diff options
Diffstat (limited to 'drivers/acpi')
213 files changed, 2564 insertions, 1531 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 90ff0a47c12e..283ee94224c6 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -357,6 +357,16 @@ config ACPI_TABLE_UPGRADE initrd, therefore it's safe to say Y. See Documentation/acpi/initrd_table_override.txt for details +config ACPI_TABLE_OVERRIDE_VIA_BUILTIN_INITRD + bool "Override ACPI tables from built-in initrd" + depends on ACPI_TABLE_UPGRADE + depends on INITRAMFS_SOURCE!="" && INITRAMFS_COMPRESSION="" + help + This option provides functionality to override arbitrary ACPI tables + from built-in uncompressed initrd. + + See Documentation/acpi/initrd_table_override.txt for details + config ACPI_DEBUG bool "Debug Statements" help @@ -465,6 +475,7 @@ config ACPI_REDUCED_HARDWARE_ONLY If you are unsure what to do, do not enable this option. source "drivers/acpi/nfit/Kconfig" +source "drivers/acpi/hmat/Kconfig" source "drivers/acpi/apei/Kconfig" source "drivers/acpi/dptf/Kconfig" diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index bb857421c2e8..5d361e4e3405 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -80,6 +80,7 @@ obj-$(CONFIG_ACPI_PROCESSOR) += processor.o obj-$(CONFIG_ACPI) += container.o obj-$(CONFIG_ACPI_THERMAL) += thermal.o obj-$(CONFIG_ACPI_NFIT) += nfit/ +obj-$(CONFIG_ACPI_HMAT) += hmat/ obj-$(CONFIG_ACPI) += acpi_memhotplug.o obj-$(CONFIG_ACPI_HOTPLUG_IOAPIC) += ioapic.o obj-$(CONFIG_ACPI_BATTERY) += battery.o diff --git a/drivers/acpi/acpi_configfs.c b/drivers/acpi/acpi_configfs.c index b58850389094..f92033661239 100644 --- a/drivers/acpi/acpi_configfs.c +++ b/drivers/acpi/acpi_configfs.c @@ -97,22 +97,22 @@ static ssize_t acpi_table_aml_read(struct config_item *cfg, CONFIGFS_BIN_ATTR(acpi_table_, aml, NULL, MAX_ACPI_TABLE_SIZE); -struct configfs_bin_attribute *acpi_table_bin_attrs[] = { +static struct configfs_bin_attribute *acpi_table_bin_attrs[] = { &acpi_table_attr_aml, NULL, }; -ssize_t acpi_table_signature_show(struct config_item *cfg, char *str) +static ssize_t acpi_table_signature_show(struct config_item *cfg, char *str) { struct acpi_table_header *h = get_header(cfg); if (!h) return -EINVAL; - return sprintf(str, "%.*s\n", ACPI_NAME_SIZE, h->signature); + return sprintf(str, "%.*s\n", ACPI_NAMESEG_SIZE, h->signature); } -ssize_t acpi_table_length_show(struct config_item *cfg, char *str) +static ssize_t acpi_table_length_show(struct config_item *cfg, char *str) { struct acpi_table_header *h = get_header(cfg); @@ -122,7 +122,7 @@ ssize_t acpi_table_length_show(struct config_item *cfg, char *str) return sprintf(str, "%d\n", h->length); } -ssize_t acpi_table_revision_show(struct config_item *cfg, char *str) +static ssize_t acpi_table_revision_show(struct config_item *cfg, char *str) { struct acpi_table_header *h = get_header(cfg); @@ -132,7 +132,7 @@ ssize_t acpi_table_revision_show(struct config_item *cfg, char *str) return sprintf(str, "%d\n", h->revision); } -ssize_t acpi_table_oem_id_show(struct config_item *cfg, char *str) +static ssize_t acpi_table_oem_id_show(struct config_item *cfg, char *str) { struct acpi_table_header *h = get_header(cfg); @@ -142,7 +142,7 @@ ssize_t acpi_table_oem_id_show(struct config_item *cfg, char *str) return sprintf(str, "%.*s\n", ACPI_OEM_ID_SIZE, h->oem_id); } -ssize_t acpi_table_oem_table_id_show(struct config_item *cfg, char *str) +static ssize_t acpi_table_oem_table_id_show(struct config_item *cfg, char *str) { struct acpi_table_header *h = get_header(cfg); @@ -152,7 +152,7 @@ ssize_t acpi_table_oem_table_id_show(struct config_item *cfg, char *str) return sprintf(str, "%.*s\n", ACPI_OEM_TABLE_ID_SIZE, h->oem_table_id); } -ssize_t acpi_table_oem_revision_show(struct config_item *cfg, char *str) +static ssize_t acpi_table_oem_revision_show(struct config_item *cfg, char *str) { struct acpi_table_header *h = get_header(cfg); @@ -162,18 +162,19 @@ ssize_t acpi_table_oem_revision_show(struct config_item *cfg, char *str) return sprintf(str, "%d\n", h->oem_revision); } -ssize_t acpi_table_asl_compiler_id_show(struct config_item *cfg, char *str) +static ssize_t acpi_table_asl_compiler_id_show(struct config_item *cfg, + char *str) { struct acpi_table_header *h = get_header(cfg); if (!h) return -EINVAL; - return sprintf(str, "%.*s\n", ACPI_NAME_SIZE, h->asl_compiler_id); + return sprintf(str, "%.*s\n", ACPI_NAMESEG_SIZE, h->asl_compiler_id); } -ssize_t acpi_table_asl_compiler_revision_show(struct config_item *cfg, - char *str) +static ssize_t acpi_table_asl_compiler_revision_show(struct config_item *cfg, + char *str) { struct acpi_table_header *h = get_header(cfg); @@ -192,7 +193,7 @@ CONFIGFS_ATTR_RO(acpi_table_, oem_revision); CONFIGFS_ATTR_RO(acpi_table_, asl_compiler_id); CONFIGFS_ATTR_RO(acpi_table_, asl_compiler_revision); -struct configfs_attribute *acpi_table_attrs[] = { +static struct configfs_attribute *acpi_table_attrs[] = { &acpi_table_attr_signature, &acpi_table_attr_length, &acpi_table_attr_revision, @@ -232,7 +233,7 @@ static void acpi_table_drop_item(struct config_group *group, acpi_tb_unload_table(table->index); } -struct configfs_group_operations acpi_table_group_ops = { +static struct configfs_group_operations acpi_table_group_ops = { .make_item = acpi_table_make_item, .drop_item = acpi_table_drop_item, }; diff --git a/drivers/acpi/acpi_dbg.c b/drivers/acpi/acpi_dbg.c index a2dcd62ea32f..d18246a2a65e 100644 --- a/drivers/acpi/acpi_dbg.c +++ b/drivers/acpi/acpi_dbg.c @@ -390,7 +390,7 @@ again: return size > 0 ? size : ret; } -static int acpi_aml_thread(void *unsed) +static int acpi_aml_thread(void *unused) { acpi_osd_exec_callback function = NULL; void *context; @@ -750,48 +750,36 @@ static const struct acpi_debugger_ops acpi_aml_debugger = { int __init acpi_aml_init(void) { - int ret = 0; - - if (!acpi_debugfs_dir) { - ret = -ENOENT; - goto err_exit; - } + int ret; /* Initialize AML IO interface */ mutex_init(&acpi_aml_io.lock); init_waitqueue_head(&acpi_aml_io.wait); acpi_aml_io.out_crc.buf = acpi_aml_io.out_buf; acpi_aml_io.in_crc.buf = acpi_aml_io.in_buf; + acpi_aml_dentry = debugfs_create_file("acpidbg", S_IFREG | S_IRUGO | S_IWUSR, acpi_debugfs_dir, NULL, &acpi_aml_operations); - if (acpi_aml_dentry == NULL) { - ret = -ENODEV; - goto err_exit; - } - ret = acpi_register_debugger(THIS_MODULE, &acpi_aml_debugger); - if (ret) - goto err_fs; - acpi_aml_initialized = true; -err_fs: + ret = acpi_register_debugger(THIS_MODULE, &acpi_aml_debugger); if (ret) { debugfs_remove(acpi_aml_dentry); acpi_aml_dentry = NULL; + return ret; } -err_exit: - return ret; + + acpi_aml_initialized = true; + return 0; } void __exit acpi_aml_exit(void) { if (acpi_aml_initialized) { acpi_unregister_debugger(&acpi_aml_debugger); - if (acpi_aml_dentry) { - debugfs_remove(acpi_aml_dentry); - acpi_aml_dentry = NULL; - } + debugfs_remove(acpi_aml_dentry); + acpi_aml_dentry = NULL; acpi_aml_initialized = false; } } diff --git a/drivers/acpi/acpi_lpat.c b/drivers/acpi/acpi_lpat.c index 2cd9f738812b..43f1b99c86ca 100644 --- a/drivers/acpi/acpi_lpat.c +++ b/drivers/acpi/acpi_lpat.c @@ -22,7 +22,7 @@ * LPAT conversion table * * @lpat_table: the temperature_raw mapping table structure - * @raw: the raw value, used as a key to get the temerature from the + * @raw: the raw value, used as a key to get the temperature from the * above mapping table * * A positive converted temperature value will be returned on success, diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c index 5f94c35d165f..cf768608437e 100644 --- a/drivers/acpi/acpi_lpss.c +++ b/drivers/acpi/acpi_lpss.c @@ -18,7 +18,7 @@ #include <linux/mutex.h> #include <linux/pci.h> #include <linux/platform_device.h> -#include <linux/platform_data/clk-lpss.h> +#include <linux/platform_data/x86/clk-lpss.h> #include <linux/platform_data/x86/pmc_atom.h> #include <linux/pm_domain.h> #include <linux/pm_runtime.h> @@ -1142,8 +1142,8 @@ static struct dev_pm_domain acpi_lpss_pm_domain = { .thaw_noirq = acpi_subsys_thaw_noirq, .poweroff = acpi_subsys_suspend, .poweroff_late = acpi_lpss_suspend_late, - .poweroff_noirq = acpi_subsys_suspend_noirq, - .restore_noirq = acpi_subsys_resume_noirq, + .poweroff_noirq = acpi_lpss_suspend_noirq, + .restore_noirq = acpi_lpss_resume_noirq, .restore_early = acpi_lpss_resume_early, #endif .runtime_suspend = acpi_lpss_runtime_suspend, diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c index f0b52266b3ac..d73afb562ad9 100644 --- a/drivers/acpi/acpi_video.c +++ b/drivers/acpi/acpi_video.c @@ -2124,21 +2124,29 @@ static int __init intel_opregion_present(void) return opregion; } +/* Check if the chassis-type indicates there is no builtin LCD panel */ static bool dmi_is_desktop(void) { const char *chassis_type; + unsigned long type; chassis_type = dmi_get_system_info(DMI_CHASSIS_TYPE); if (!chassis_type) return false; - if (!strcmp(chassis_type, "3") || /* 3: Desktop */ - !strcmp(chassis_type, "4") || /* 4: Low Profile Desktop */ - !strcmp(chassis_type, "5") || /* 5: Pizza Box */ - !strcmp(chassis_type, "6") || /* 6: Mini Tower */ - !strcmp(chassis_type, "7") || /* 7: Tower */ - !strcmp(chassis_type, "11")) /* 11: Main Server Chassis */ + if (kstrtoul(chassis_type, 10, &type) != 0) + return false; + + switch (type) { + case 0x03: /* Desktop */ + case 0x04: /* Low Profile Desktop */ + case 0x05: /* Pizza Box */ + case 0x06: /* Mini Tower */ + case 0x07: /* Tower */ + case 0x10: /* Lunch Box */ + case 0x11: /* Main Server Chassis */ return true; + } return false; } diff --git a/drivers/acpi/acpica/acapps.h b/drivers/acpi/acpica/acapps.h index 5a9c2febc0fb..863ade9add6d 100644 --- a/drivers/acpi/acpica/acapps.h +++ b/drivers/acpi/acpica/acapps.h @@ -3,7 +3,7 @@ * * Module Name: acapps - common include for ACPI applications/tools * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -17,7 +17,7 @@ /* Common info for tool signons */ #define ACPICA_NAME "Intel ACPI Component Architecture" -#define ACPICA_COPYRIGHT "Copyright (c) 2000 - 2018 Intel Corporation" +#define ACPICA_COPYRIGHT "Copyright (c) 2000 - 2019 Intel Corporation" #if ACPI_MACHINE_WIDTH == 64 #define ACPI_WIDTH " (64-bit version)" diff --git a/drivers/acpi/acpica/accommon.h b/drivers/acpi/acpica/accommon.h index 8bc935977d8e..54f81eac7ec9 100644 --- a/drivers/acpi/acpica/accommon.h +++ b/drivers/acpi/acpica/accommon.h @@ -3,7 +3,7 @@ * * Name: accommon.h - Common include files for generation of ACPICA source * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/acconvert.h b/drivers/acpi/acpica/acconvert.h index 4ebe18826646..d5478cd4a857 100644 --- a/drivers/acpi/acpica/acconvert.h +++ b/drivers/acpi/acpica/acconvert.h @@ -3,7 +3,7 @@ * * Module Name: acapps - common include for ACPI applications/tools * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/acdebug.h b/drivers/acpi/acpica/acdebug.h index 57d9495e5933..32f2e38c7570 100644 --- a/drivers/acpi/acpica/acdebug.h +++ b/drivers/acpi/acpica/acdebug.h @@ -3,7 +3,7 @@ * * Name: acdebug.h - ACPI/AML debugger * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -16,7 +16,8 @@ #include "acdisasm.h" #endif -#define ACPI_DEBUG_BUFFER_SIZE 0x4000 /* 16K buffer for return objects */ +#define ACPI_DEBUG_BUFFER_SIZE 0x4000 /* 16K buffer for return objects */ +#define ACPI_DEBUG_LENGTH_FORMAT " (%.4X bits, %.3X bytes)" struct acpi_db_command_info { const char *name; /* Command Name */ diff --git a/drivers/acpi/acpica/acdispat.h b/drivers/acpi/acpica/acdispat.h index e577f3a40e6a..82f81501566b 100644 --- a/drivers/acpi/acpica/acdispat.h +++ b/drivers/acpi/acpica/acdispat.h @@ -3,7 +3,7 @@ * * Name: acdispat.h - dispatcher (parser to interpreter interface) * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/acevents.h b/drivers/acpi/acpica/acevents.h index b412aa909907..831660179662 100644 --- a/drivers/acpi/acpica/acevents.h +++ b/drivers/acpi/acpica/acevents.h @@ -3,7 +3,7 @@ * * Name: acevents.h - Event subcomponent prototypes and defines * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h index 87d6eb01beaf..d056a1845613 100644 --- a/drivers/acpi/acpica/acglobal.h +++ b/drivers/acpi/acpica/acglobal.h @@ -3,7 +3,7 @@ * * Name: acglobal.h - Declarations for global variables * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -164,6 +164,7 @@ ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_global_list); ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_ns_node_list); ACPI_GLOBAL(u8, acpi_gbl_display_final_mem_stats); ACPI_GLOBAL(u8, acpi_gbl_disable_mem_tracking); +ACPI_GLOBAL(u8, acpi_gbl_verbose_leak_dump); #endif /***************************************************************************** diff --git a/drivers/acpi/acpica/achware.h b/drivers/acpi/acpica/achware.h index ef99e2fc37f8..bcf8f7501db7 100644 --- a/drivers/acpi/acpica/achware.h +++ b/drivers/acpi/acpica/achware.h @@ -3,7 +3,7 @@ * * Name: achware.h -- hardware specific interfaces * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/acinterp.h b/drivers/acpi/acpica/acinterp.h index c5b2be0b6613..20706adbc148 100644 --- a/drivers/acpi/acpica/acinterp.h +++ b/drivers/acpi/acpica/acinterp.h @@ -3,7 +3,7 @@ * * Name: acinterp.h - Interpreter subcomponent prototypes and defines * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h index 99b0da899109..13d513b81589 100644 --- a/drivers/acpi/acpica/aclocal.h +++ b/drivers/acpi/acpica/aclocal.h @@ -3,7 +3,7 @@ * * Name: aclocal.h - Internal data types used across the ACPI subsystem * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -293,7 +293,7 @@ acpi_status (*acpi_internal_method) (struct acpi_walk_state * walk_state); * expected_return_btypes - Allowed type(s) for the return value */ struct acpi_name_info { - char name[ACPI_NAME_SIZE]; + char name[ACPI_NAMESEG_SIZE]; u16 argument_list; u8 expected_btypes; }; @@ -370,7 +370,7 @@ typedef acpi_status (*acpi_object_converter) (struct acpi_namespace_node * converted_object); struct acpi_simple_repair_info { - char name[ACPI_NAME_SIZE]; + char name[ACPI_NAMESEG_SIZE]; u32 unexpected_btypes; u32 package_index; acpi_object_converter object_converter; @@ -802,7 +802,7 @@ struct acpi_comment_addr_node { /* * File node - used for "Include" operator file stack and - * depdendency tree for the -ca option + * dependency tree for the -ca option */ struct acpi_file_node { void *file; diff --git a/drivers/acpi/acpica/acmacros.h b/drivers/acpi/acpica/acmacros.h index de52cd6e868a..283614e82a20 100644 --- a/drivers/acpi/acpica/acmacros.h +++ b/drivers/acpi/acpica/acmacros.h @@ -3,7 +3,7 @@ * * Name: acmacros.h - C macros for the entire subsystem. * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -462,7 +462,7 @@ #define ACPI_IS_OCTAL_DIGIT(d) (((char)(d) >= '0') && ((char)(d) <= '7')) /* - * Macors used for the ASL-/ASL+ converter utility + * Macros used for the ASL-/ASL+ converter utility */ #ifdef ACPI_ASL_COMPILER diff --git a/drivers/acpi/acpica/acnamesp.h b/drivers/acpi/acpica/acnamesp.h index 9bd25f36c608..39812fc4386a 100644 --- a/drivers/acpi/acpica/acnamesp.h +++ b/drivers/acpi/acpica/acnamesp.h @@ -3,7 +3,7 @@ * * Name: acnamesp.h - Namespace subcomponent prototypes and defines * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/acobject.h b/drivers/acpi/acpica/acobject.h index ac992b6ebce9..b2ef703d7df8 100644 --- a/drivers/acpi/acpica/acobject.h +++ b/drivers/acpi/acpica/acobject.h @@ -3,7 +3,7 @@ * * Name: acobject.h - Definition of union acpi_operand_object (Internal object only) * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -239,6 +239,7 @@ struct acpi_object_region_field { union acpi_operand_object *region_obj; /* Containing op_region object */ u8 *resource_buffer; /* resource_template for serial regions/fields */ u16 pin_number_index; /* Index relative to previous Connection/Template */ + u8 *internal_pcc_buffer; /* Internal buffer for fields associated with PCC */ }; struct acpi_object_bank_field { diff --git a/drivers/acpi/acpica/acopcode.h b/drivers/acpi/acpica/acopcode.h index 818eba413614..9d78134428e3 100644 --- a/drivers/acpi/acpica/acopcode.h +++ b/drivers/acpi/acpica/acopcode.h @@ -3,7 +3,7 @@ * * Name: acopcode.h - AML opcode information for the AML parser and interpreter * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/acparser.h b/drivers/acpi/acpica/acparser.h index ab48196ae55e..6e32c97cba6c 100644 --- a/drivers/acpi/acpica/acparser.h +++ b/drivers/acpi/acpica/acparser.h @@ -3,7 +3,7 @@ * * Module Name: acparser.h - AML Parser subcomponent prototypes and defines * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/acpredef.h b/drivers/acpi/acpica/acpredef.h index d31bb04facb6..387163b962a7 100644 --- a/drivers/acpi/acpica/acpredef.h +++ b/drivers/acpi/acpica/acpredef.h @@ -3,7 +3,7 @@ * * Name: acpredef - Information table for ACPI predefined methods and objects * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -631,6 +631,21 @@ const union acpi_predefined_info acpi_gbl_predefined_methods[] = { {{"_MTL", METHOD_0ARGS, /* ACPI 6.0 */ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}}, + {{"_NBS", METHOD_0ARGS, /* ACPI 6.3 */ + METHOD_RETURNS(ACPI_RTYPE_BUFFER)}}, + + {{"_NCH", METHOD_0ARGS, /* ACPI 6.3 */ + METHOD_RETURNS(ACPI_RTYPE_BUFFER)}}, + + {{"_NIC", METHOD_0ARGS, /* ACPI 6.3 */ + METHOD_RETURNS(ACPI_RTYPE_BUFFER)}}, + + {{"_NIG", METHOD_1ARGS(ACPI_TYPE_BUFFER), /* ACPI 6.3 */ + METHOD_RETURNS(ACPI_RTYPE_BUFFER)}}, + + {{"_NIH", METHOD_0ARGS, /* ACPI 6.3 */ + METHOD_RETURNS(ACPI_RTYPE_BUFFER)}}, + {{"_NTT", METHOD_0ARGS, METHOD_RETURNS(ACPI_RTYPE_INTEGER)}}, diff --git a/drivers/acpi/acpica/acresrc.h b/drivers/acpi/acpica/acresrc.h index 59ae8b1a6e40..422cd8f2b92e 100644 --- a/drivers/acpi/acpica/acresrc.h +++ b/drivers/acpi/acpica/acresrc.h @@ -3,7 +3,7 @@ * * Name: acresrc.h - Resource Manager function prototypes * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/acstruct.h b/drivers/acpi/acpica/acstruct.h index 14be32961b4c..8a4e6b4aaf2c 100644 --- a/drivers/acpi/acpica/acstruct.h +++ b/drivers/acpi/acpica/acstruct.h @@ -3,7 +3,7 @@ * * Name: acstruct.h - Internal structs * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/actables.h b/drivers/acpi/acpica/actables.h index 12fac33ce77e..dfbf1dbd4033 100644 --- a/drivers/acpi/acpica/actables.h +++ b/drivers/acpi/acpica/actables.h @@ -3,7 +3,7 @@ * * Name: actables.h - ACPI table management * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h index 3374d41582b5..9022537567e9 100644 --- a/drivers/acpi/acpica/acutils.h +++ b/drivers/acpi/acpica/acutils.h @@ -3,7 +3,7 @@ * * Name: acutils.h -- prototypes for the common (subsystem-wide) procedures * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/amlcode.h b/drivers/acpi/acpica/amlcode.h index 6c05355447c1..49e412edd7c6 100644 --- a/drivers/acpi/acpica/amlcode.h +++ b/drivers/acpi/acpica/amlcode.h @@ -5,7 +5,7 @@ * Declarations and definitions contained herein are derived * directly from the ACPI specification. * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/amlresrc.h b/drivers/acpi/acpica/amlresrc.h index cdb590176e9d..7c3bd4ab60fc 100644 --- a/drivers/acpi/acpica/amlresrc.h +++ b/drivers/acpi/acpica/amlresrc.h @@ -3,7 +3,7 @@ * * Module Name: amlresrc.h - AML resource descriptors * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/dbdisply.c b/drivers/acpi/acpica/dbdisply.c index 9fcb8ec64681..30ab62b0fec8 100644 --- a/drivers/acpi/acpica/dbdisply.c +++ b/drivers/acpi/acpica/dbdisply.c @@ -237,7 +237,7 @@ void acpi_db_decode_and_display_object(char *target, char *output_type) default: - /* Is not a recognizeable object */ + /* Is not a recognizable object */ acpi_os_printf ("Not a known ACPI internal object, descriptor type %2.2X\n", @@ -647,7 +647,7 @@ void acpi_db_display_object_type(char *object_arg) * * DESCRIPTION: Display the result of an AML opcode * - * Note: Curently only displays the result object if we are single stepping. + * Note: Currently only displays the result object if we are single stepping. * However, this output may be useful in other contexts and could be enabled * to do so if needed. * diff --git a/drivers/acpi/acpica/dbexec.c b/drivers/acpi/acpica/dbexec.c index 6abb6b834d97..4027eaab18a4 100644 --- a/drivers/acpi/acpica/dbexec.c +++ b/drivers/acpi/acpica/dbexec.c @@ -160,12 +160,12 @@ acpi_db_execute_method(struct acpi_db_method_info *info, } ACPI_EXCEPTION((AE_INFO, status, - "while executing %s from debugger", + "while executing %s from AML Debugger", info->pathname)); if (status == AE_BUFFER_OVERFLOW) { ACPI_ERROR((AE_INFO, - "Possible overflow of internal debugger " + "Possible buffer overflow within AML Debugger " "buffer (size 0x%X needed 0x%X)", ACPI_DEBUG_BUFFER_SIZE, (u32)return_obj->length)); @@ -453,7 +453,7 @@ acpi_db_execute(char *name, char **args, acpi_object_type *types, u32 flags) /* Dump a _PLD buffer if present */ - if (ACPI_COMPARE_NAME + if (ACPI_COMPARE_NAMESEG ((ACPI_CAST_PTR (struct acpi_namespace_node, acpi_gbl_db_method_info.method)->name.ascii), diff --git a/drivers/acpi/acpica/dbhistry.c b/drivers/acpi/acpica/dbhistry.c index b0b9a26c7db5..7809bd94a18d 100644 --- a/drivers/acpi/acpica/dbhistry.c +++ b/drivers/acpi/acpica/dbhistry.c @@ -3,7 +3,7 @@ * * Module Name: dbhistry - debugger HISTORY command * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/dbnames.c b/drivers/acpi/acpica/dbnames.c index 992bd7b92540..63fe30e86807 100644 --- a/drivers/acpi/acpica/dbnames.c +++ b/drivers/acpi/acpica/dbnames.c @@ -354,7 +354,7 @@ acpi_status acpi_db_find_name_in_namespace(char *name_arg) char acpi_name[5] = "____"; char *acpi_name_ptr = acpi_name; - if (strlen(name_arg) > ACPI_NAME_SIZE) { + if (strlen(name_arg) > ACPI_NAMESEG_SIZE) { acpi_os_printf("Name must be no longer than 4 characters\n"); return (AE_OK); } @@ -904,7 +904,7 @@ acpi_db_bus_walk(acpi_handle obj_handle, * * RETURN: None * - * DESCRIPTION: Display info about system busses. + * DESCRIPTION: Display info about system buses. * ******************************************************************************/ diff --git a/drivers/acpi/acpica/dbobject.c b/drivers/acpi/acpica/dbobject.c index a1c76bf21122..d220168dca01 100644 --- a/drivers/acpi/acpica/dbobject.c +++ b/drivers/acpi/acpica/dbobject.c @@ -243,7 +243,7 @@ acpi_db_display_internal_object(union acpi_operand_object *obj_desc, acpi_os_printf("[%s] ", acpi_ut_get_reference_name(obj_desc)); - /* Decode the refererence */ + /* Decode the reference */ switch (obj_desc->reference.class) { case ACPI_REFCLASS_LOCAL: diff --git a/drivers/acpi/acpica/dbtest.c b/drivers/acpi/acpica/dbtest.c index 8a5462439a97..6db44a5ac786 100644 --- a/drivers/acpi/acpica/dbtest.c +++ b/drivers/acpi/acpica/dbtest.c @@ -10,6 +10,7 @@ #include "acdebug.h" #include "acnamesp.h" #include "acpredef.h" +#include "acinterp.h" #define _COMPONENT ACPI_CA_DEBUGGER ACPI_MODULE_NAME("dbtest") @@ -33,6 +34,9 @@ acpi_db_test_string_type(struct acpi_namespace_node *node, u32 byte_length); static acpi_status acpi_db_test_package_type(struct acpi_namespace_node *node); static acpi_status +acpi_db_test_field_unit_type(union acpi_operand_object *obj_desc); + +static acpi_status acpi_db_read_from_object(struct acpi_namespace_node *node, acpi_object_type expected_type, union acpi_object **value); @@ -74,7 +78,7 @@ static struct acpi_db_argument_info acpi_db_test_types[] = { static acpi_handle read_handle = NULL; static acpi_handle write_handle = NULL; -/* ASL Definitions of the debugger read/write control methods */ +/* ASL Definitions of the debugger read/write control methods. AML below. */ #if 0 definition_block("ssdt.aml", "SSDT", 2, "Intel", "DEBUG", 0x00000001) @@ -227,10 +231,8 @@ static void acpi_db_test_all_objects(void) * RETURN: Status * * DESCRIPTION: Test one namespace object. Supported types are Integer, - * String, Buffer, buffer_field, and field_unit. All other object - * types are simply ignored. - * - * Note: Support for Packages is not implemented. + * String, Buffer, Package, buffer_field, and field_unit. + * All other object types are simply ignored. * ******************************************************************************/ @@ -240,7 +242,6 @@ acpi_db_test_one_object(acpi_handle obj_handle, { struct acpi_namespace_node *node; union acpi_operand_object *obj_desc; - union acpi_operand_object *region_obj; acpi_object_type local_type; u32 bit_length = 0; u32 byte_length = 0; @@ -281,18 +282,21 @@ acpi_db_test_one_object(acpi_handle obj_handle, break; case ACPI_TYPE_FIELD_UNIT: - case ACPI_TYPE_BUFFER_FIELD: case ACPI_TYPE_LOCAL_REGION_FIELD: case ACPI_TYPE_LOCAL_INDEX_FIELD: case ACPI_TYPE_LOCAL_BANK_FIELD: + local_type = ACPI_TYPE_FIELD_UNIT; + break; + + case ACPI_TYPE_BUFFER_FIELD: + /* + * The returned object will be a Buffer if the field length + * is larger than the size of an Integer (32 or 64 bits + * depending on the DSDT version). + */ local_type = ACPI_TYPE_INTEGER; if (obj_desc) { - /* - * Returned object will be a Buffer if the field length - * is larger than the size of an Integer (32 or 64 bits - * depending on the DSDT version). - */ bit_length = obj_desc->common_field.bit_length; byte_length = ACPI_ROUND_BITS_UP_TO_BYTES(bit_length); if (bit_length > acpi_gbl_integer_bit_width) { @@ -303,7 +307,7 @@ acpi_db_test_one_object(acpi_handle obj_handle, default: - /* Ignore all other types */ + /* Ignore all non-data types - Methods, Devices, Scopes, etc. */ return (AE_OK); } @@ -314,40 +318,10 @@ acpi_db_test_one_object(acpi_handle obj_handle, acpi_ut_get_type_name(node->type), node->name.ascii); if (!obj_desc) { - acpi_os_printf(" Ignoring, no attached object\n"); + acpi_os_printf(" No attached sub-object, ignoring\n"); return (AE_OK); } - /* - * Check for unsupported region types. Note: acpi_exec simulates - * access to system_memory, system_IO, PCI_Config, and EC. - */ - switch (node->type) { - case ACPI_TYPE_LOCAL_REGION_FIELD: - - region_obj = obj_desc->field.region_obj; - switch (region_obj->region.space_id) { - case ACPI_ADR_SPACE_SYSTEM_MEMORY: - case ACPI_ADR_SPACE_SYSTEM_IO: - case ACPI_ADR_SPACE_PCI_CONFIG: - - break; - - default: - - acpi_os_printf - (" %s space is not supported in this command [%4.4s]\n", - acpi_ut_get_region_name(region_obj->region. - space_id), - region_obj->region.node->name.ascii); - return (AE_OK); - } - break; - - default: - break; - } - /* At this point, we have resolved the object to one of the major types */ switch (local_type) { @@ -371,6 +345,11 @@ acpi_db_test_one_object(acpi_handle obj_handle, status = acpi_db_test_package_type(node); break; + case ACPI_TYPE_FIELD_UNIT: + + status = acpi_db_test_field_unit_type(obj_desc); + break; + default: acpi_os_printf(" Ignoring, type not implemented (%2.2X)", @@ -382,24 +361,8 @@ acpi_db_test_one_object(acpi_handle obj_handle, if (ACPI_FAILURE(status)) { status = AE_OK; - goto exit; - } - - switch (node->type) { - case ACPI_TYPE_LOCAL_REGION_FIELD: - - region_obj = obj_desc->field.region_obj; - acpi_os_printf(" (%s)", - acpi_ut_get_region_name(region_obj->region. - space_id)); - - break; - - default: - break; } -exit: acpi_os_printf("\n"); return (status); } @@ -444,7 +407,7 @@ acpi_db_test_integer_type(struct acpi_namespace_node *node, u32 bit_length) return (status); } - acpi_os_printf(" (%4.4X/%3.3X) %8.8X%8.8X", + acpi_os_printf(ACPI_DEBUG_LENGTH_FORMAT " %8.8X%8.8X", bit_length, ACPI_ROUND_BITS_UP_TO_BYTES(bit_length), ACPI_FORMAT_UINT64(temp1->integer.value)); @@ -558,8 +521,9 @@ acpi_db_test_buffer_type(struct acpi_namespace_node *node, u32 bit_length) /* Emit a few bytes of the buffer */ - acpi_os_printf(" (%4.4X/%3.3X)", bit_length, temp1->buffer.length); - for (i = 0; ((i < 4) && (i < byte_length)); i++) { + acpi_os_printf(ACPI_DEBUG_LENGTH_FORMAT, bit_length, + temp1->buffer.length); + for (i = 0; ((i < 8) && (i < byte_length)); i++) { acpi_os_printf(" %2.2X", temp1->buffer.pointer[i]); } acpi_os_printf("... "); @@ -665,8 +629,9 @@ acpi_db_test_string_type(struct acpi_namespace_node *node, u32 byte_length) return (status); } - acpi_os_printf(" (%4.4X/%3.3X) \"%s\"", (temp1->string.length * 8), - temp1->string.length, temp1->string.pointer); + acpi_os_printf(ACPI_DEBUG_LENGTH_FORMAT " \"%s\"", + (temp1->string.length * 8), temp1->string.length, + temp1->string.pointer); /* Write a new value */ @@ -750,13 +715,80 @@ static acpi_status acpi_db_test_package_type(struct acpi_namespace_node *node) return (status); } - acpi_os_printf(" %8.8X Elements", temp1->package.count); + acpi_os_printf(" %.2X Elements", temp1->package.count); acpi_os_free(temp1); return (status); } /******************************************************************************* * + * FUNCTION: acpi_db_test_field_unit_type + * + * PARAMETERS: obj_desc - A field unit object + * + * RETURN: Status + * + * DESCRIPTION: Test read/write on a named field unit. + * + ******************************************************************************/ + +static acpi_status +acpi_db_test_field_unit_type(union acpi_operand_object *obj_desc) +{ + union acpi_operand_object *region_obj; + u32 bit_length = 0; + u32 byte_length = 0; + acpi_status status = AE_OK; + union acpi_operand_object *ret_buffer_desc; + + /* Supported spaces are memory/io/pci_config */ + + region_obj = obj_desc->field.region_obj; + switch (region_obj->region.space_id) { + case ACPI_ADR_SPACE_SYSTEM_MEMORY: + case ACPI_ADR_SPACE_SYSTEM_IO: + case ACPI_ADR_SPACE_PCI_CONFIG: + + /* Need the interpreter to execute */ + + acpi_ut_acquire_mutex(ACPI_MTX_INTERPRETER); + acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); + + /* Exercise read-then-write */ + + status = + acpi_ex_read_data_from_field(NULL, obj_desc, + &ret_buffer_desc); + if (status == AE_OK) { + acpi_ex_write_data_to_field(ret_buffer_desc, obj_desc, + NULL); + acpi_ut_remove_reference(ret_buffer_desc); + } + + acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); + acpi_ut_release_mutex(ACPI_MTX_INTERPRETER); + + bit_length = obj_desc->common_field.bit_length; + byte_length = ACPI_ROUND_BITS_UP_TO_BYTES(bit_length); + + acpi_os_printf(ACPI_DEBUG_LENGTH_FORMAT " [%s]", bit_length, + byte_length, + acpi_ut_get_region_name(region_obj->region. + space_id)); + return (status); + + default: + + acpi_os_printf + (" %s address space is not supported in this command [%4.4s]", + acpi_ut_get_region_name(region_obj->region.space_id), + region_obj->region.node->name.ascii); + return (AE_OK); + } +} + +/******************************************************************************* + * * FUNCTION: acpi_db_read_from_object * * PARAMETERS: node - Parent NS node for the object diff --git a/drivers/acpi/acpica/dsargs.c b/drivers/acpi/acpica/dsargs.c index 6b15625e8099..85b34d02233e 100644 --- a/drivers/acpi/acpica/dsargs.c +++ b/drivers/acpi/acpica/dsargs.c @@ -4,7 +4,7 @@ * Module Name: dsargs - Support for execution of dynamic arguments for static * objects (regions, fields, buffer fields, etc.) * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/dscontrol.c b/drivers/acpi/acpica/dscontrol.c index 0da96268deb5..4847f89c678c 100644 --- a/drivers/acpi/acpica/dscontrol.c +++ b/drivers/acpi/acpica/dscontrol.c @@ -4,7 +4,7 @@ * Module Name: dscontrol - Support for execution control opcodes - * if/else/while/return * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/dsdebug.c b/drivers/acpi/acpica/dsdebug.c index 9d33f0bb2885..0d3e1ced1f57 100644 --- a/drivers/acpi/acpica/dsdebug.c +++ b/drivers/acpi/acpica/dsdebug.c @@ -3,7 +3,7 @@ * * Module Name: dsdebug - Parser/Interpreter interface - debugging * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/dsfield.c b/drivers/acpi/acpica/dsfield.c index 30fe89545d6a..cf4e061bb0f0 100644 --- a/drivers/acpi/acpica/dsfield.c +++ b/drivers/acpi/acpica/dsfield.c @@ -3,7 +3,7 @@ * * Module Name: dsfield - Dispatcher field routines * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -518,6 +518,13 @@ acpi_ds_create_field(union acpi_parse_object *op, info.region_node = region_node; status = acpi_ds_get_field_names(&info, walk_state, arg->common.next); + if (info.region_node->object->region.space_id == + ACPI_ADR_SPACE_PLATFORM_COMM + && !(region_node->object->field.internal_pcc_buffer = + ACPI_ALLOCATE_ZEROED(info.region_node->object->region. + length))) { + return_ACPI_STATUS(AE_NO_MEMORY); + } return_ACPI_STATUS(status); } diff --git a/drivers/acpi/acpica/dsinit.c b/drivers/acpi/acpica/dsinit.c index e8de1b0ce2f5..4ebd23700bbc 100644 --- a/drivers/acpi/acpica/dsinit.c +++ b/drivers/acpi/acpica/dsinit.c @@ -3,7 +3,7 @@ * * Module Name: dsinit - Object initialization namespace walk * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -200,7 +200,7 @@ acpi_ds_initialize_objects(u32 table_index, /* DSDT is always the first AML table */ - if (ACPI_COMPARE_NAME(table->signature, ACPI_SIG_DSDT)) { + if (ACPI_COMPARE_NAMESEG(table->signature, ACPI_SIG_DSDT)) { ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, "\nInitializing Namespace objects:\n")); } diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c index c1a4d02fafd5..f59b4d944f7f 100644 --- a/drivers/acpi/acpica/dsmethod.c +++ b/drivers/acpi/acpica/dsmethod.c @@ -3,7 +3,7 @@ * * Module Name: dsmethod - Parser/Interpreter interface - control method parsing * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/dsobject.c b/drivers/acpi/acpica/dsobject.c index 6a9cc613adaa..179129a2deb1 100644 --- a/drivers/acpi/acpica/dsobject.c +++ b/drivers/acpi/acpica/dsobject.c @@ -3,7 +3,7 @@ * * Module Name: dsobject - Dispatcher object management routines * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/dsopcode.c b/drivers/acpi/acpica/dsopcode.c index 78f9de260d5f..10f32b62608e 100644 --- a/drivers/acpi/acpica/dsopcode.c +++ b/drivers/acpi/acpica/dsopcode.c @@ -3,7 +3,7 @@ * * Module Name: dsopcode - Dispatcher support for regions and fields * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -130,8 +130,8 @@ acpi_ds_init_buffer_field(u16 aml_opcode, /* Must have a valid (>0) bit count */ if (bit_count == 0) { - ACPI_ERROR((AE_INFO, - "Attempt to CreateField of length zero")); + ACPI_BIOS_ERROR((AE_INFO, + "Attempt to CreateField of length zero")); status = AE_AML_OPERAND_VALUE; goto cleanup; } @@ -194,12 +194,13 @@ acpi_ds_init_buffer_field(u16 aml_opcode, /* Entire field must fit within the current length of the buffer */ if ((bit_offset + bit_count) > (8 * (u32)buffer_desc->buffer.length)) { - ACPI_ERROR((AE_INFO, - "Field [%4.4s] at bit offset/length %u/%u " - "exceeds size of target Buffer (%u bits)", - acpi_ut_get_node_name(result_desc), bit_offset, - bit_count, 8 * (u32)buffer_desc->buffer.length)); status = AE_AML_BUFFER_LIMIT; + ACPI_BIOS_EXCEPTION((AE_INFO, status, + "Field [%4.4s] at bit offset/length %u/%u " + "exceeds size of target Buffer (%u bits)", + acpi_ut_get_node_name(result_desc), + bit_offset, bit_count, + 8 * (u32)buffer_desc->buffer.length)); goto cleanup; } @@ -355,6 +356,7 @@ acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state, union acpi_operand_object *operand_desc; struct acpi_namespace_node *node; union acpi_parse_object *next_op; + acpi_adr_space_type space_id; ACPI_FUNCTION_TRACE_PTR(ds_eval_region_operands, op); @@ -367,6 +369,7 @@ acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state, /* next_op points to the op that holds the space_ID */ next_op = op->common.value.arg; + space_id = (acpi_adr_space_type)next_op->common.value.integer; /* next_op points to address op */ @@ -402,6 +405,15 @@ acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state, obj_desc->region.length = (u32) operand_desc->integer.value; acpi_ut_remove_reference(operand_desc); + /* A zero-length operation region is unusable. Just warn */ + + if (!obj_desc->region.length + && (space_id < ACPI_NUM_PREDEFINED_REGIONS)) { + ACPI_WARNING((AE_INFO, + "Operation Region [%4.4s] has zero length (SpaceId %X)", + node->name.ascii, space_id)); + } + /* * Get the address and save it * (at top of stack - 1) diff --git a/drivers/acpi/acpica/dspkginit.c b/drivers/acpi/acpica/dspkginit.c index 584853385268..997faa10f615 100644 --- a/drivers/acpi/acpica/dspkginit.c +++ b/drivers/acpi/acpica/dspkginit.c @@ -3,7 +3,7 @@ * * Module Name: dspkginit - Completion of deferred package initialization * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/dswexec.c b/drivers/acpi/acpica/dswexec.c index 1504b93cc5f4..d75aae304595 100644 --- a/drivers/acpi/acpica/dswexec.c +++ b/drivers/acpi/acpica/dswexec.c @@ -4,7 +4,7 @@ * Module Name: dswexec - Dispatcher method execution callbacks; * dispatch to interpreter. * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/dswload.c b/drivers/acpi/acpica/dswload.c index e2ef09643d50..c88fd31208a5 100644 --- a/drivers/acpi/acpica/dswload.c +++ b/drivers/acpi/acpica/dswload.c @@ -3,7 +3,7 @@ * * Module Name: dswload - Dispatcher first pass namespace load callbacks * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/dswload2.c b/drivers/acpi/acpica/dswload2.c index 9a309f5c4de8..935a8e2623e4 100644 --- a/drivers/acpi/acpica/dswload2.c +++ b/drivers/acpi/acpica/dswload2.c @@ -3,7 +3,7 @@ * * Module Name: dswload2 - Dispatcher second pass namespace load callbacks * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -24,7 +24,7 @@ ACPI_MODULE_NAME("dswload2") * FUNCTION: acpi_ds_load2_begin_op * * PARAMETERS: walk_state - Current state of the parse tree walk - * out_op - Wher to return op if a new one is created + * out_op - Where to return op if a new one is created * * RETURN: Status * diff --git a/drivers/acpi/acpica/dswscope.c b/drivers/acpi/acpica/dswscope.c index 7592176a8fa2..39acf7b286da 100644 --- a/drivers/acpi/acpica/dswscope.c +++ b/drivers/acpi/acpica/dswscope.c @@ -3,7 +3,7 @@ * * Module Name: dswscope - Scope stack manipulation * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/dswstate.c b/drivers/acpi/acpica/dswstate.c index 4c1ec202d5ab..de79f835a373 100644 --- a/drivers/acpi/acpica/dswstate.c +++ b/drivers/acpi/acpica/dswstate.c @@ -3,7 +3,7 @@ * * Module Name: dswstate - Dispatcher parse tree walk management routines * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/evevent.c b/drivers/acpi/acpica/evevent.c index b3d07cc14d75..9e2f5a05c066 100644 --- a/drivers/acpi/acpica/evevent.c +++ b/drivers/acpi/acpica/evevent.c @@ -3,7 +3,7 @@ * * Module Name: evevent - Fixed Event handling and dispatch * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/evglock.c b/drivers/acpi/acpica/evglock.c index 1b8a662a14a9..5c77bee5d31f 100644 --- a/drivers/acpi/acpica/evglock.c +++ b/drivers/acpi/acpica/evglock.c @@ -3,7 +3,7 @@ * * Module Name: evglock - Global Lock support * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/evgpe.c b/drivers/acpi/acpica/evgpe.c index e10fec99a182..62d3aa74277b 100644 --- a/drivers/acpi/acpica/evgpe.c +++ b/drivers/acpi/acpica/evgpe.c @@ -3,7 +3,7 @@ * * Module Name: evgpe - General Purpose Event handling and dispatch * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -801,7 +801,7 @@ acpi_ev_gpe_dispatch(struct acpi_namespace_node *gpe_device, dispatch.handler-> context); - /* If requested, clear (if level-triggered) and reenable the GPE */ + /* If requested, clear (if level-triggered) and re-enable the GPE */ if (return_value & ACPI_REENABLE_GPE) { (void)acpi_ev_finish_gpe(gpe_event_info); diff --git a/drivers/acpi/acpica/evgpeblk.c b/drivers/acpi/acpica/evgpeblk.c index b253063b09d3..328d1d6123ad 100644 --- a/drivers/acpi/acpica/evgpeblk.c +++ b/drivers/acpi/acpica/evgpeblk.c @@ -3,7 +3,7 @@ * * Module Name: evgpeblk - GPE block creation and initialization. * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/evgpeinit.c b/drivers/acpi/acpica/evgpeinit.c index 1f686750bb1a..b04f982e59fa 100644 --- a/drivers/acpi/acpica/evgpeinit.c +++ b/drivers/acpi/acpica/evgpeinit.c @@ -3,7 +3,7 @@ * * Module Name: evgpeinit - System GPE initialization and update * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -292,7 +292,7 @@ acpi_ev_match_gpe_method(acpi_handle obj_handle, acpi_status status; u32 gpe_number; u8 temp_gpe_number; - char name[ACPI_NAME_SIZE + 1]; + char name[ACPI_NAMESEG_SIZE + 1]; u8 type; ACPI_FUNCTION_TRACE(ev_match_gpe_method); @@ -310,7 +310,7 @@ acpi_ev_match_gpe_method(acpi_handle obj_handle, * 1) Extract the method name and null terminate it */ ACPI_MOVE_32_TO_32(name, &method_node->name.integer); - name[ACPI_NAME_SIZE] = 0; + name[ACPI_NAMESEG_SIZE] = 0; /* 2) Name must begin with an underscore */ diff --git a/drivers/acpi/acpica/evgpeutil.c b/drivers/acpi/acpica/evgpeutil.c index 0fb6c70f44ed..917892227e09 100644 --- a/drivers/acpi/acpica/evgpeutil.c +++ b/drivers/acpi/acpica/evgpeutil.c @@ -3,7 +3,7 @@ * * Module Name: evgpeutil - GPE utilities * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/evhandler.c b/drivers/acpi/acpica/evhandler.c index 4ed1e67db6be..3ef4e27995f0 100644 --- a/drivers/acpi/acpica/evhandler.c +++ b/drivers/acpi/acpica/evhandler.c @@ -3,7 +3,7 @@ * * Module Name: evhandler - Support for Address Space handlers * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/evmisc.c b/drivers/acpi/acpica/evmisc.c index baadd635b5af..d45f7639f7ee 100644 --- a/drivers/acpi/acpica/evmisc.c +++ b/drivers/acpi/acpica/evmisc.c @@ -3,7 +3,7 @@ * * Module Name: evmisc - Miscellaneous event manager support functions * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/evregion.c b/drivers/acpi/acpica/evregion.c index 49decca4e08f..45dc797df05d 100644 --- a/drivers/acpi/acpica/evregion.c +++ b/drivers/acpi/acpica/evregion.c @@ -3,7 +3,7 @@ * * Module Name: evregion - Operation Region support * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -250,7 +250,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj, /* * For handlers other than the default (supplied) handlers, we must * exit the interpreter because the handler *might* block -- we don't - * know what it will do, so we can't hold the lock on the intepreter. + * know what it will do, so we can't hold the lock on the interpreter. */ acpi_ex_exit_interpreter(); } diff --git a/drivers/acpi/acpica/evrgnini.c b/drivers/acpi/acpica/evrgnini.c index 17df5dacd43c..0b47bbcd2a23 100644 --- a/drivers/acpi/acpica/evrgnini.c +++ b/drivers/acpi/acpica/evrgnini.c @@ -3,7 +3,7 @@ * * Module Name: evrgnini- ACPI address_space (op_region) init * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -516,25 +516,6 @@ acpi_status acpi_ev_initialize_region(union acpi_operand_object *region_obj) handler_obj = obj_desc->common_notify.handler; break; - case ACPI_TYPE_METHOD: - /* - * If we are executing module level code, the original - * Node's object was replaced by this Method object and we - * saved the handler in the method object. - * - * Note: Only used for the legacy MLC support. Will - * be removed in the future. - * - * See acpi_ns_exec_module_code - */ - if (!acpi_gbl_execute_tables_as_methods && - obj_desc->method. - info_flags & ACPI_METHOD_MODULE_LEVEL) { - handler_obj = - obj_desc->method.dispatch.handler; - } - break; - default: /* Ignore other objects */ diff --git a/drivers/acpi/acpica/evxface.c b/drivers/acpi/acpica/evxface.c index febc332b00ac..3df00eb6621b 100644 --- a/drivers/acpi/acpica/evxface.c +++ b/drivers/acpi/acpica/evxface.c @@ -3,7 +3,7 @@ * * Module Name: evxface - External interfaces for ACPI events * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/evxfevnt.c b/drivers/acpi/acpica/evxfevnt.c index 970e940bdb17..e528fe56b755 100644 --- a/drivers/acpi/acpica/evxfevnt.c +++ b/drivers/acpi/acpica/evxfevnt.c @@ -3,7 +3,7 @@ * * Module Name: evxfevnt - External Interfaces, ACPI event disable/enable * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/evxfgpe.c b/drivers/acpi/acpica/evxfgpe.c index b2d5f66cc1b0..30a083902f52 100644 --- a/drivers/acpi/acpica/evxfgpe.c +++ b/drivers/acpi/acpica/evxfgpe.c @@ -3,7 +3,7 @@ * * Module Name: evxfgpe - External Interfaces for General Purpose Events (GPEs) * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -669,9 +669,9 @@ ACPI_EXPORT_SYMBOL(acpi_dispatch_gpe) * * RETURN: Status * - * DESCRIPTION: Clear and conditionally reenable a GPE. This completes the GPE + * DESCRIPTION: Clear and conditionally re-enable a GPE. This completes the GPE * processing. Intended for use by asynchronous host-installed - * GPE handlers. The GPE is only reenabled if the enable_for_run bit + * GPE handlers. The GPE is only re-enabled if the enable_for_run bit * is set in the GPE info. * ******************************************************************************/ diff --git a/drivers/acpi/acpica/evxfregn.c b/drivers/acpi/acpica/evxfregn.c index 3b3a25d9f0e6..47265b073e6f 100644 --- a/drivers/acpi/acpica/evxfregn.c +++ b/drivers/acpi/acpica/evxfregn.c @@ -4,7 +4,7 @@ * Module Name: evxfregn - External Interfaces, ACPI Operation Regions and * Address Spaces. * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/exconcat.c b/drivers/acpi/acpica/exconcat.c index 5e75c510ca25..c7af07566b7b 100644 --- a/drivers/acpi/acpica/exconcat.c +++ b/drivers/acpi/acpica/exconcat.c @@ -3,7 +3,7 @@ * * Module Name: exconcat - Concatenate-type AML operators * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/exconfig.c b/drivers/acpi/acpica/exconfig.c index 2373a7492151..587aeeeb5070 100644 --- a/drivers/acpi/acpica/exconfig.c +++ b/drivers/acpi/acpica/exconfig.c @@ -3,7 +3,7 @@ * * Module Name: exconfig - Namespace reconfiguration (Load/Unload opcodes) * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/exconvrt.c b/drivers/acpi/acpica/exconvrt.c index 1a70b80cc406..ca2966bacb50 100644 --- a/drivers/acpi/acpica/exconvrt.c +++ b/drivers/acpi/acpica/exconvrt.c @@ -3,7 +3,7 @@ * * Module Name: exconvrt - Object conversion routines * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -520,7 +520,7 @@ acpi_ex_convert_to_string(union acpi_operand_object * obj_desc, for (i = 0; i < obj_desc->buffer.length; i++) { if (base == 16) { - /* Emit 0x prefix for explict/implicit hex conversion */ + /* Emit 0x prefix for explicit/implicit hex conversion */ *new_buf++ = '0'; *new_buf++ = 'x'; diff --git a/drivers/acpi/acpica/excreate.c b/drivers/acpi/acpica/excreate.c index 3304c6b1e8a7..f376fc00064e 100644 --- a/drivers/acpi/acpica/excreate.c +++ b/drivers/acpi/acpica/excreate.c @@ -3,7 +3,7 @@ * * Module Name: excreate - Named object creation * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/exdebug.c b/drivers/acpi/acpica/exdebug.c index ebbc244039ab..b1aeec8cac55 100644 --- a/drivers/acpi/acpica/exdebug.c +++ b/drivers/acpi/acpica/exdebug.c @@ -3,7 +3,7 @@ * * Module Name: exdebug - Support for stores to the AML Debug Object * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/exdump.c b/drivers/acpi/acpica/exdump.c index f71dfa1e90e1..6526b2deeaad 100644 --- a/drivers/acpi/acpica/exdump.c +++ b/drivers/acpi/acpica/exdump.c @@ -3,7 +3,7 @@ * * Module Name: exdump - Interpreter debug output routines * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/exfield.c b/drivers/acpi/acpica/exfield.c index e5798f15793a..d3d2dbfba680 100644 --- a/drivers/acpi/acpica/exfield.c +++ b/drivers/acpi/acpica/exfield.c @@ -3,7 +3,7 @@ * * Module Name: exfield - AML execution - field_unit read/write * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -41,6 +41,17 @@ const u8 acpi_protocol_lengths[] = { 0xFF /* F - ATTRIB_RAW_PROCESS_BYTES */ }; +#define PCC_MASTER_SUBSPACE 3 + +/* + * The following macros determine a given offset is a COMD field. + * According to the specification, generic subspaces (types 0-2) contains a + * 2-byte COMD field at offset 4 and master subspaces (type 3) contains a 4-byte + * COMD field starting at offset 12. + */ +#define GENERIC_SUBSPACE_COMMAND(a) (4 == a || a == 5) +#define MASTER_SUBSPACE_COMMAND(a) (12 <= a && a <= 15) + /******************************************************************************* * * FUNCTION: acpi_ex_get_protocol_buffer_length @@ -177,6 +188,25 @@ acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state, status = acpi_ex_read_gpio(obj_desc, buffer); goto exit; + } else if ((obj_desc->common.type == ACPI_TYPE_LOCAL_REGION_FIELD) && + (obj_desc->field.region_obj->region.space_id == + ACPI_ADR_SPACE_PLATFORM_COMM)) { + /* + * Reading from a PCC field unit does not require the handler because + * it only requires reading from the internal_pcc_buffer. + */ + ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, + "PCC FieldRead bits %u\n", + obj_desc->field.bit_length)); + + memcpy(buffer, + obj_desc->field.region_obj->field.internal_pcc_buffer + + obj_desc->field.base_byte_offset, + (acpi_size)ACPI_ROUND_BITS_UP_TO_BYTES(obj_desc->field. + bit_length)); + + *ret_buffer_desc = buffer_desc; + return AE_OK; } ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, @@ -229,6 +259,7 @@ acpi_ex_write_data_to_field(union acpi_operand_object *source_desc, { acpi_status status; u32 buffer_length; + u32 data_length; void *buffer; ACPI_FUNCTION_TRACE_PTR(ex_write_data_to_field, obj_desc); @@ -272,6 +303,44 @@ acpi_ex_write_data_to_field(union acpi_operand_object *source_desc, acpi_ex_write_serial_bus(source_desc, obj_desc, result_desc); return_ACPI_STATUS(status); + } else if ((obj_desc->common.type == ACPI_TYPE_LOCAL_REGION_FIELD) && + (obj_desc->field.region_obj->region.space_id == + ACPI_ADR_SPACE_PLATFORM_COMM)) { + /* + * According to the spec a write to the COMD field will invoke the + * region handler. Otherwise, write to the pcc_internal buffer. This + * implementation will use the offsets specified rather than the name + * of the field. This is considered safer because some firmware tools + * are known to obfiscate named objects. + */ + data_length = + (acpi_size)ACPI_ROUND_BITS_UP_TO_BYTES(obj_desc->field. + bit_length); + memcpy(obj_desc->field.region_obj->field.internal_pcc_buffer + + obj_desc->field.base_byte_offset, + source_desc->buffer.pointer, data_length); + + if ((obj_desc->field.region_obj->region.address == + PCC_MASTER_SUBSPACE + && MASTER_SUBSPACE_COMMAND(obj_desc->field. + base_byte_offset)) + || GENERIC_SUBSPACE_COMMAND(obj_desc->field. + base_byte_offset)) { + + /* Perform the write */ + + ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, + "PCC COMD field has been written. Invoking PCC handler now.\n")); + + status = + acpi_ex_access_region(obj_desc, 0, + (u64 *)obj_desc->field. + region_obj->field. + internal_pcc_buffer, + ACPI_WRITE); + return_ACPI_STATUS(status); + } + return (AE_OK); } /* Get a pointer to the data to be written */ diff --git a/drivers/acpi/acpica/exfldio.c b/drivers/acpi/acpica/exfldio.c index 516994133128..95a0dcb4f7b9 100644 --- a/drivers/acpi/acpica/exfldio.c +++ b/drivers/acpi/acpica/exfldio.c @@ -3,7 +3,7 @@ * * Module Name: exfldio - Aml Field I/O * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/exmisc.c b/drivers/acpi/acpica/exmisc.c index d91f15cdf3ae..60e854965af9 100644 --- a/drivers/acpi/acpica/exmisc.c +++ b/drivers/acpi/acpica/exmisc.c @@ -3,7 +3,7 @@ * * Module Name: exmisc - ACPI AML (p-code) execution - specific opcodes * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/exmutex.c b/drivers/acpi/acpica/exmutex.c index c06079774bad..775cd62af5b3 100644 --- a/drivers/acpi/acpica/exmutex.c +++ b/drivers/acpi/acpica/exmutex.c @@ -3,7 +3,7 @@ * * Module Name: exmutex - ASL Mutex Acquire/Release functions * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/exnames.c b/drivers/acpi/acpica/exnames.c index 7eed79dcda83..6b76be5212a4 100644 --- a/drivers/acpi/acpica/exnames.c +++ b/drivers/acpi/acpica/exnames.c @@ -3,7 +3,7 @@ * * Module Name: exnames - interpreter/scanner name load/execute * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -53,10 +53,10 @@ static char *acpi_ex_allocate_name_string(u32 prefix_count, u32 num_name_segs) /* Special case for root */ - size_needed = 1 + (ACPI_NAME_SIZE * num_name_segs) + 2 + 1; + size_needed = 1 + (ACPI_NAMESEG_SIZE * num_name_segs) + 2 + 1; } else { size_needed = - prefix_count + (ACPI_NAME_SIZE * num_name_segs) + 2 + 1; + prefix_count + (ACPI_NAMESEG_SIZE * num_name_segs) + 2 + 1; } /* @@ -141,7 +141,7 @@ static acpi_status acpi_ex_name_segment(u8 ** in_aml_address, char *name_string) } for (index = 0; - (index < ACPI_NAME_SIZE) + (index < ACPI_NAMESEG_SIZE) && (acpi_ut_valid_name_char(*aml_address, 0)); index++) { char_buf[index] = *aml_address++; } diff --git a/drivers/acpi/acpica/exoparg1.c b/drivers/acpi/acpica/exoparg1.c index ba9fbae0cf91..06e35ea09823 100644 --- a/drivers/acpi/acpica/exoparg1.c +++ b/drivers/acpi/acpica/exoparg1.c @@ -3,7 +3,7 @@ * * Module Name: exoparg1 - AML execution - opcodes with 1 argument * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/exoparg2.c b/drivers/acpi/acpica/exoparg2.c index 3a477566ba1b..5e4a31a11df4 100644 --- a/drivers/acpi/acpica/exoparg2.c +++ b/drivers/acpi/acpica/exoparg2.c @@ -3,7 +3,7 @@ * * Module Name: exoparg2 - AML execution - opcodes with 2 arguments * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -390,10 +390,10 @@ acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state) /* Failure means that the Index was beyond the end of the object */ if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, - "Index (0x%X%8.8X) is beyond end of object (length 0x%X)", - ACPI_FORMAT_UINT64(index), - (u32)length)); + ACPI_BIOS_EXCEPTION((AE_INFO, status, + "Index (0x%X%8.8X) is beyond end of object (length 0x%X)", + ACPI_FORMAT_UINT64(index), + (u32)length)); goto cleanup; } diff --git a/drivers/acpi/acpica/exoparg3.c b/drivers/acpi/acpica/exoparg3.c index 764fa6f924ff..a4ebce417930 100644 --- a/drivers/acpi/acpica/exoparg3.c +++ b/drivers/acpi/acpica/exoparg3.c @@ -3,7 +3,7 @@ * * Module Name: exoparg3 - AML execution - opcodes with 3 arguments * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/exoparg6.c b/drivers/acpi/acpica/exoparg6.c index 3941525f3d6b..31385a0b2dab 100644 --- a/drivers/acpi/acpica/exoparg6.c +++ b/drivers/acpi/acpica/exoparg6.c @@ -3,7 +3,7 @@ * * Module Name: exoparg6 - AML execution - opcodes with 6 arguments * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/exprep.c b/drivers/acpi/acpica/exprep.c index 738f3c732363..728d752f7adc 100644 --- a/drivers/acpi/acpica/exprep.c +++ b/drivers/acpi/acpica/exprep.c @@ -3,7 +3,7 @@ * * Module Name: exprep - ACPI AML field prep utilities * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/exregion.c b/drivers/acpi/acpica/exregion.c index 2c58f5e00b1a..c08521194b29 100644 --- a/drivers/acpi/acpica/exregion.c +++ b/drivers/acpi/acpica/exregion.c @@ -3,7 +3,7 @@ * * Module Name: exregion - ACPI default op_region (address space) handlers * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/exresnte.c b/drivers/acpi/acpica/exresnte.c index ea4b0fe674f1..b223d01e6bf8 100644 --- a/drivers/acpi/acpica/exresnte.c +++ b/drivers/acpi/acpica/exresnte.c @@ -3,7 +3,7 @@ * * Module Name: exresnte - AML Interpreter object resolution * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/exresolv.c b/drivers/acpi/acpica/exresolv.c index 5e42c7de46fa..36da5c0ef69c 100644 --- a/drivers/acpi/acpica/exresolv.c +++ b/drivers/acpi/acpica/exresolv.c @@ -3,7 +3,7 @@ * * Module Name: exresolv - AML Interpreter object resolution * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/exresop.c b/drivers/acpi/acpica/exresop.c index d94190bc5985..bdfe4d33b483 100644 --- a/drivers/acpi/acpica/exresop.c +++ b/drivers/acpi/acpica/exresop.c @@ -3,7 +3,7 @@ * * Module Name: exresop - AML Interpreter operand/object resolution * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/exserial.c b/drivers/acpi/acpica/exserial.c index ec61553c4483..c5aa4b0deb70 100644 --- a/drivers/acpi/acpica/exserial.c +++ b/drivers/acpi/acpica/exserial.c @@ -3,7 +3,7 @@ * * Module Name: exserial - field_unit support for serial address spaces * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -21,7 +21,7 @@ ACPI_MODULE_NAME("exserial") * FUNCTION: acpi_ex_read_gpio * * PARAMETERS: obj_desc - The named field to read - * buffer - Where the return data is returnd + * buffer - Where the return data is returned * * RETURN: Status * diff --git a/drivers/acpi/acpica/exstore.c b/drivers/acpi/acpica/exstore.c index 75d5665b7b2f..7f3c3571c292 100644 --- a/drivers/acpi/acpica/exstore.c +++ b/drivers/acpi/acpica/exstore.c @@ -3,7 +3,7 @@ * * Module Name: exstore - AML Interpreter object store support * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/exstoren.c b/drivers/acpi/acpica/exstoren.c index 31cba19652ed..4e43c8277f07 100644 --- a/drivers/acpi/acpica/exstoren.c +++ b/drivers/acpi/acpica/exstoren.c @@ -4,7 +4,7 @@ * Module Name: exstoren - AML Interpreter object store support, * Store to Node (namespace object) * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/exstorob.c b/drivers/acpi/acpica/exstorob.c index 4cd82ff509bc..dc9e2b1c1ad9 100644 --- a/drivers/acpi/acpica/exstorob.c +++ b/drivers/acpi/acpica/exstorob.c @@ -3,7 +3,7 @@ * * Module Name: exstorob - AML object store support, store to object * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/exsystem.c b/drivers/acpi/acpica/exsystem.c index ec8b5a22cad4..a538f7799b78 100644 --- a/drivers/acpi/acpica/exsystem.c +++ b/drivers/acpi/acpica/exsystem.c @@ -3,7 +3,7 @@ * * Module Name: exsystem - Interface to OS services * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/extrace.c b/drivers/acpi/acpica/extrace.c index 9bd3fa56b51a..db7f93ca539f 100644 --- a/drivers/acpi/acpica/extrace.c +++ b/drivers/acpi/acpica/extrace.c @@ -3,7 +3,7 @@ * * Module Name: extrace - Support for interpreter execution tracing * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/exutils.c b/drivers/acpi/acpica/exutils.c index bd22e27adf9b..75380be1c2ef 100644 --- a/drivers/acpi/acpica/exutils.c +++ b/drivers/acpi/acpica/exutils.c @@ -3,7 +3,7 @@ * * Module Name: exutils - interpreter/scanner utilities * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -160,7 +160,7 @@ u8 acpi_ex_truncate_for32bit_table(union acpi_operand_object *obj_desc) * RETURN: None * * DESCRIPTION: Obtain the ACPI hardware Global Lock, only if the field - * flags specifiy that it is to be obtained before field access. + * flags specify that it is to be obtained before field access. * ******************************************************************************/ diff --git a/drivers/acpi/acpica/hwacpi.c b/drivers/acpi/acpica/hwacpi.c index 525e6ea5c114..926f7e080f22 100644 --- a/drivers/acpi/acpica/hwacpi.c +++ b/drivers/acpi/acpica/hwacpi.c @@ -3,7 +3,7 @@ * * Module Name: hwacpi - ACPI Hardware Initialization/Mode Interface * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/hwesleep.c b/drivers/acpi/acpica/hwesleep.c index e0ad3f11142e..dee3affaca49 100644 --- a/drivers/acpi/acpica/hwesleep.c +++ b/drivers/acpi/acpica/hwesleep.c @@ -4,7 +4,7 @@ * Name: hwesleep.c - ACPI Hardware Sleep/Wake Support functions for the * extended FADT-V5 sleep registers. * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/hwgpe.c b/drivers/acpi/acpica/hwgpe.c index 2d2e2e41a685..565bd3f29f31 100644 --- a/drivers/acpi/acpica/hwgpe.c +++ b/drivers/acpi/acpica/hwgpe.c @@ -3,7 +3,7 @@ * * Module Name: hwgpe - Low level GPE enable/disable/clear functions * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/hwsleep.c b/drivers/acpi/acpica/hwsleep.c index d8b8fc2ff563..b62db8ec446f 100644 --- a/drivers/acpi/acpica/hwsleep.c +++ b/drivers/acpi/acpica/hwsleep.c @@ -4,7 +4,7 @@ * Name: hwsleep.c - ACPI Hardware Sleep/Wake Support functions for the * original/legacy sleep/PM registers. * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/hwtimer.c b/drivers/acpi/acpica/hwtimer.c index 5d5e27146fc2..2fb9f75d71c5 100644 --- a/drivers/acpi/acpica/hwtimer.c +++ b/drivers/acpi/acpica/hwtimer.c @@ -3,7 +3,7 @@ * * Name: hwtimer.c - ACPI Power Management Timer Interface * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/hwvalid.c b/drivers/acpi/acpica/hwvalid.c index 24f9b61aa404..cd576153257c 100644 --- a/drivers/acpi/acpica/hwvalid.c +++ b/drivers/acpi/acpica/hwvalid.c @@ -3,7 +3,7 @@ * * Module Name: hwvalid - I/O request validation * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/hwxface.c b/drivers/acpi/acpica/hwxface.c index 6e39a771a56e..c4fd97104024 100644 --- a/drivers/acpi/acpica/hwxface.c +++ b/drivers/acpi/acpica/hwxface.c @@ -3,7 +3,7 @@ * * Module Name: hwxface - Public ACPICA hardware interfaces * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/hwxfsleep.c b/drivers/acpi/acpica/hwxfsleep.c index 3f22f7dd4556..abbf9702aa7f 100644 --- a/drivers/acpi/acpica/hwxfsleep.c +++ b/drivers/acpi/acpica/hwxfsleep.c @@ -3,7 +3,7 @@ * * Name: hwxfsleep.c - ACPI Hardware Sleep/Wake External Interfaces * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -23,33 +23,6 @@ acpi_hw_set_firmware_waking_vector(struct acpi_table_facs *facs, acpi_physical_address physical_address64); #endif -static acpi_status acpi_hw_sleep_dispatch(u8 sleep_state, u32 function_id); - -/* - * Dispatch table used to efficiently branch to the various sleep - * functions. - */ -#define ACPI_SLEEP_FUNCTION_ID 0 -#define ACPI_WAKE_PREP_FUNCTION_ID 1 -#define ACPI_WAKE_FUNCTION_ID 2 - -/* Legacy functions are optional, based upon ACPI_REDUCED_HARDWARE */ - -static struct acpi_sleep_functions acpi_sleep_dispatch[] = { - {ACPI_STRUCT_INIT(legacy_function, - ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_sleep)), - ACPI_STRUCT_INIT(extended_function, - acpi_hw_extended_sleep)}, - {ACPI_STRUCT_INIT(legacy_function, - ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_wake_prep)), - ACPI_STRUCT_INIT(extended_function, - acpi_hw_extended_wake_prep)}, - {ACPI_STRUCT_INIT(legacy_function, - ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_wake)), - ACPI_STRUCT_INIT(extended_function, - acpi_hw_extended_wake)} -}; - /* * These functions are removed for the ACPI_REDUCED_HARDWARE case: * acpi_set_firmware_waking_vector @@ -209,53 +182,6 @@ acpi_status acpi_enter_sleep_state_s4bios(void) ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_s4bios) #endif /* !ACPI_REDUCED_HARDWARE */ -/******************************************************************************* - * - * FUNCTION: acpi_hw_sleep_dispatch - * - * PARAMETERS: sleep_state - Which sleep state to enter/exit - * function_id - Sleep, wake_prep, or Wake - * - * RETURN: Status from the invoked sleep handling function. - * - * DESCRIPTION: Dispatch a sleep/wake request to the appropriate handling - * function. - * - ******************************************************************************/ -static acpi_status acpi_hw_sleep_dispatch(u8 sleep_state, u32 function_id) -{ - acpi_status status; - struct acpi_sleep_functions *sleep_functions = - &acpi_sleep_dispatch[function_id]; - -#if (!ACPI_REDUCED_HARDWARE) - /* - * If the Hardware Reduced flag is set (from the FADT), we must - * use the extended sleep registers (FADT). Note: As per the ACPI - * specification, these extended registers are to be used for HW-reduced - * platforms only. They are not general-purpose replacements for the - * legacy PM register sleep support. - */ - if (acpi_gbl_reduced_hardware) { - status = sleep_functions->extended_function(sleep_state); - } else { - /* Legacy sleep */ - - status = sleep_functions->legacy_function(sleep_state); - } - - return (status); - -#else - /* - * For the case where reduced-hardware-only code is being generated, - * we know that only the extended sleep registers are available - */ - status = sleep_functions->extended_function(sleep_state); - return (status); - -#endif /* !ACPI_REDUCED_HARDWARE */ -} /******************************************************************************* * @@ -362,7 +288,12 @@ acpi_status acpi_enter_sleep_state(u8 sleep_state) return_ACPI_STATUS(AE_AML_OPERAND_VALUE); } - status = acpi_hw_sleep_dispatch(sleep_state, ACPI_SLEEP_FUNCTION_ID); +#if !ACPI_REDUCED_HARDWARE + if (!acpi_gbl_reduced_hardware) + status = acpi_hw_legacy_sleep(sleep_state); + else +#endif + status = acpi_hw_extended_sleep(sleep_state); return_ACPI_STATUS(status); } @@ -388,8 +319,12 @@ acpi_status acpi_leave_sleep_state_prep(u8 sleep_state) ACPI_FUNCTION_TRACE(acpi_leave_sleep_state_prep); - status = - acpi_hw_sleep_dispatch(sleep_state, ACPI_WAKE_PREP_FUNCTION_ID); +#if !ACPI_REDUCED_HARDWARE + if (!acpi_gbl_reduced_hardware) + status = acpi_hw_legacy_wake_prep(sleep_state); + else +#endif + status = acpi_hw_extended_wake_prep(sleep_state); return_ACPI_STATUS(status); } @@ -413,7 +348,12 @@ acpi_status acpi_leave_sleep_state(u8 sleep_state) ACPI_FUNCTION_TRACE(acpi_leave_sleep_state); - status = acpi_hw_sleep_dispatch(sleep_state, ACPI_WAKE_FUNCTION_ID); +#if !ACPI_REDUCED_HARDWARE + if (!acpi_gbl_reduced_hardware) + status = acpi_hw_legacy_wake(sleep_state); + else +#endif + status = acpi_hw_extended_wake(sleep_state); return_ACPI_STATUS(status); } diff --git a/drivers/acpi/acpica/nsaccess.c b/drivers/acpi/acpica/nsaccess.c index 75192b958544..7b855603f81a 100644 --- a/drivers/acpi/acpica/nsaccess.c +++ b/drivers/acpi/acpica/nsaccess.c @@ -683,7 +683,7 @@ acpi_ns_lookup(union acpi_generic_state *scope_info, /* Point to next name segment and make this node current */ - path += ACPI_NAME_SIZE; + path += ACPI_NAMESEG_SIZE; current_node = this_node; } diff --git a/drivers/acpi/acpica/nsalloc.c b/drivers/acpi/acpica/nsalloc.c index 5470213b8e64..6eb63db72249 100644 --- a/drivers/acpi/acpica/nsalloc.c +++ b/drivers/acpi/acpica/nsalloc.c @@ -74,6 +74,10 @@ void acpi_ns_delete_node(struct acpi_namespace_node *node) ACPI_FUNCTION_NAME(ns_delete_node); + if (!node) { + return_VOID; + } + /* Detach an object if there is one */ acpi_ns_detach_object(node); diff --git a/drivers/acpi/acpica/nsarguments.c b/drivers/acpi/acpica/nsarguments.c index b9ede797b654..0e97ed38973f 100644 --- a/drivers/acpi/acpica/nsarguments.c +++ b/drivers/acpi/acpica/nsarguments.c @@ -3,7 +3,7 @@ * * Module Name: nsarguments - Validation of args for ACPI predefined methods * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/nsconvert.c b/drivers/acpi/acpica/nsconvert.c index f9527346b0f7..14cbf63f1991 100644 --- a/drivers/acpi/acpica/nsconvert.c +++ b/drivers/acpi/acpica/nsconvert.c @@ -4,7 +4,7 @@ * Module Name: nsconvert - Object conversions for objects returned by * predefined methods * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/nsdump.c b/drivers/acpi/acpica/nsdump.c index 90ccffcd770b..1b12c172e115 100644 --- a/drivers/acpi/acpica/nsdump.c +++ b/drivers/acpi/acpica/nsdump.c @@ -3,7 +3,7 @@ * * Module Name: nsdump - table dumping routines for debug * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -70,7 +70,7 @@ void acpi_ns_print_pathname(u32 num_segments, const char *pathname) acpi_os_printf("?"); } - pathname += ACPI_NAME_SIZE; + pathname += ACPI_NAMESEG_SIZE; num_segments--; if (num_segments) { acpi_os_printf("."); diff --git a/drivers/acpi/acpica/nsdumpdv.c b/drivers/acpi/acpica/nsdumpdv.c index 2b291c500fb0..73e5c83c8c9f 100644 --- a/drivers/acpi/acpica/nsdumpdv.c +++ b/drivers/acpi/acpica/nsdumpdv.c @@ -3,7 +3,7 @@ * * Module Name: nsdump - table dumping routines for debug * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/nsinit.c b/drivers/acpi/acpica/nsinit.c index d77257d1c827..53e5d00d3a5e 100644 --- a/drivers/acpi/acpica/nsinit.c +++ b/drivers/acpi/acpica/nsinit.c @@ -3,7 +3,7 @@ * * Module Name: nsinit - namespace initialization * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -478,7 +478,7 @@ acpi_ns_find_ini_methods(acpi_handle obj_handle, /* We are only looking for methods named _INI */ - if (!ACPI_COMPARE_NAME(node->name.ascii, METHOD_NAME__INI)) { + if (!ACPI_COMPARE_NAMESEG(node->name.ascii, METHOD_NAME__INI)) { return (AE_OK); } @@ -641,7 +641,7 @@ acpi_ns_init_one_device(acpi_handle obj_handle, * Note: We know there is an _INI within this subtree, but it may not be * under this particular device, it may be lower in the branch. */ - if (!ACPI_COMPARE_NAME(device_node->name.ascii, "_SB_") || + if (!ACPI_COMPARE_NAMESEG(device_node->name.ascii, "_SB_") || device_node->parent != acpi_gbl_root_node) { ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname (ACPI_TYPE_METHOD, device_node, diff --git a/drivers/acpi/acpica/nsload.c b/drivers/acpi/acpica/nsload.c index 04bc73e82aed..35fff5c75da1 100644 --- a/drivers/acpi/acpica/nsload.c +++ b/drivers/acpi/acpica/nsload.c @@ -3,7 +3,7 @@ * * Module Name: nsload - namespace loading/expanding/contracting procedures * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -75,7 +75,7 @@ acpi_ns_load_table(u32 table_index, struct acpi_namespace_node *node) /* * On error, delete any namespace objects created by this table. * We cannot initialize these objects, so delete them. There are - * a couple of expecially bad cases: + * a couple of especially bad cases: * AE_ALREADY_EXISTS - namespace collision. * AE_NOT_FOUND - the target of a Scope operator does not * exist. This target of Scope must already exist in the diff --git a/drivers/acpi/acpica/nsnames.c b/drivers/acpi/acpica/nsnames.c index 289c15bb8c6a..370bbc867745 100644 --- a/drivers/acpi/acpica/nsnames.c +++ b/drivers/acpi/acpica/nsnames.c @@ -108,8 +108,8 @@ acpi_ns_handle_to_name(acpi_handle target_handle, struct acpi_buffer *buffer) /* Just copy the ACPI name from the Node and zero terminate it */ node_name = acpi_ut_get_node_name(node); - ACPI_MOVE_NAME(buffer->pointer, node_name); - ((char *)buffer->pointer)[ACPI_NAME_SIZE] = 0; + ACPI_COPY_NAMESEG(buffer->pointer, node_name); + ((char *)buffer->pointer)[ACPI_NAMESEG_SIZE] = 0; ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%4.4s\n", (char *)buffer->pointer)); return_ACPI_STATUS(AE_OK); @@ -198,7 +198,7 @@ acpi_ns_build_normalized_path(struct acpi_namespace_node *node, char *full_path, u32 path_size, u8 no_trailing) { u32 length = 0, i; - char name[ACPI_NAME_SIZE]; + char name[ACPI_NAMESEG_SIZE]; u8 do_no_trailing; char c, *left, *right; struct acpi_namespace_node *next_node; @@ -446,7 +446,7 @@ static void acpi_ns_normalize_pathname(char *original_path) /* Do one nameseg at a time */ - for (i = 0; (i < ACPI_NAME_SIZE) && *input_path; i++) { + for (i = 0; (i < ACPI_NAMESEG_SIZE) && *input_path; i++) { if ((i == 0) || (*input_path != '_')) { /* First char is allowed to be underscore */ *new_path = *input_path; new_path++; diff --git a/drivers/acpi/acpica/nsobject.c b/drivers/acpi/acpica/nsobject.c index 8638f43cfc3d..79d86da1c892 100644 --- a/drivers/acpi/acpica/nsobject.c +++ b/drivers/acpi/acpica/nsobject.c @@ -186,6 +186,10 @@ void acpi_ns_detach_object(struct acpi_namespace_node *node) } } + if (obj_desc->common.type == ACPI_TYPE_REGION) { + acpi_ut_remove_address_range(obj_desc->region.space_id, node); + } + /* Clear the Node entry in all cases */ node->object = NULL; diff --git a/drivers/acpi/acpica/nsparse.c b/drivers/acpi/acpica/nsparse.c index 488ff39d86f7..f16cf5e4742c 100644 --- a/drivers/acpi/acpica/nsparse.c +++ b/drivers/acpi/acpica/nsparse.c @@ -3,7 +3,7 @@ * * Module Name: nsparse - namespace interface to AML parser * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -203,7 +203,7 @@ acpi_ns_one_complete_parse(u32 pass_number, /* Found OSDT table, enable the namespace override feature */ - if (ACPI_COMPARE_NAME(table->signature, ACPI_SIG_OSDT) && + if (ACPI_COMPARE_NAMESEG(table->signature, ACPI_SIG_OSDT) && pass_number == ACPI_IMODE_LOAD_PASS1) { walk_state->namespace_override = TRUE; } @@ -253,61 +253,19 @@ acpi_ns_parse_table(u32 table_index, struct acpi_namespace_node *start_node) ACPI_FUNCTION_TRACE(ns_parse_table); - if (acpi_gbl_execute_tables_as_methods) { - /* - * This case executes the AML table as one large control method. - * The point of this is to execute any module-level code in-place - * as the table is parsed. Some AML code depends on this behavior. - * - * It is a run-time option at this time, but will eventually become - * the default. - * - * Note: This causes the table to only have a single-pass parse. - * However, this is compatible with other ACPI implementations. - */ - ACPI_DEBUG_PRINT_RAW((ACPI_DB_PARSE, - "%s: **** Start table execution pass\n", - ACPI_GET_FUNCTION_NAME)); - - status = acpi_ns_execute_table(table_index, start_node); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - } else { - /* - * AML Parse, pass 1 - * - * In this pass, we load most of the namespace. Control methods - * are not parsed until later. A parse tree is not created. - * Instead, each Parser Op subtree is deleted when it is finished. - * This saves a great deal of memory, and allows a small cache of - * parse objects to service the entire parse. The second pass of - * the parse then performs another complete parse of the AML. - */ - ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "**** Start pass 1\n")); - - status = acpi_ns_one_complete_parse(ACPI_IMODE_LOAD_PASS1, - table_index, start_node); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } + /* + * Executes the AML table as one large control method. + * The point of this is to execute any module-level code in-place + * as the table is parsed. Some AML code depends on this behavior. + * + * Note: This causes the table to only have a single-pass parse. + * However, this is compatible with other ACPI implementations. + */ + ACPI_DEBUG_PRINT_RAW((ACPI_DB_PARSE, + "%s: **** Start table execution pass\n", + ACPI_GET_FUNCTION_NAME)); - /* - * AML Parse, pass 2 - * - * In this pass, we resolve forward references and other things - * that could not be completed during the first pass. - * Another complete parse of the AML is performed, but the - * overhead of this is compensated for by the fact that the - * parse objects are all cached. - */ - ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "**** Start pass 2\n")); - status = acpi_ns_one_complete_parse(ACPI_IMODE_LOAD_PASS2, - table_index, start_node); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - } + status = acpi_ns_execute_table(table_index, start_node); return_ACPI_STATUS(status); } diff --git a/drivers/acpi/acpica/nspredef.c b/drivers/acpi/acpica/nspredef.c index 29c68b15a64f..2f9d93122d0c 100644 --- a/drivers/acpi/acpica/nspredef.c +++ b/drivers/acpi/acpica/nspredef.c @@ -3,7 +3,7 @@ * * Module Name: nspredef - Validation of ACPI predefined methods and objects * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/nsprepkg.c b/drivers/acpi/acpica/nsprepkg.c index 51523473e7fe..9a80e3b23496 100644 --- a/drivers/acpi/acpica/nsprepkg.c +++ b/drivers/acpi/acpica/nsprepkg.c @@ -3,7 +3,7 @@ * * Module Name: nsprepkg - Validation of package objects for predefined names * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/nsrepair.c b/drivers/acpi/acpica/nsrepair.c index ff2ab8fbec38..be86fea8e4d4 100644 --- a/drivers/acpi/acpica/nsrepair.c +++ b/drivers/acpi/acpica/nsrepair.c @@ -3,7 +3,7 @@ * * Module Name: nsrepair - Repair for objects returned by predefined methods * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -316,7 +316,7 @@ static const struct acpi_simple_repair_info *acpi_ns_match_simple_repair(struct this_name = acpi_object_repair_info; while (this_name->object_converter) { - if (ACPI_COMPARE_NAME(node->name.ascii, this_name->name)) { + if (ACPI_COMPARE_NAMESEG(node->name.ascii, this_name->name)) { /* Check if we can actually repair this name/type combination */ diff --git a/drivers/acpi/acpica/nsrepair2.c b/drivers/acpi/acpica/nsrepair2.c index a3bd6280882c..8d776256b213 100644 --- a/drivers/acpi/acpica/nsrepair2.c +++ b/drivers/acpi/acpica/nsrepair2.c @@ -4,7 +4,7 @@ * Module Name: nsrepair2 - Repair for objects returned by specific * predefined methods * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -25,7 +25,7 @@ acpi_status (*acpi_repair_function) (struct acpi_evaluate_info * info, return_object_ptr); typedef struct acpi_repair_info { - char name[ACPI_NAME_SIZE]; + char name[ACPI_NAMESEG_SIZE]; acpi_repair_function repair_function; } acpi_repair_info; @@ -188,7 +188,7 @@ static const struct acpi_repair_info *acpi_ns_match_complex_repair(struct this_name = acpi_ns_repairable_names; while (this_name->repair_function) { - if (ACPI_COMPARE_NAME(node->name.ascii, this_name->name)) { + if (ACPI_COMPARE_NAMESEG(node->name.ascii, this_name->name)) { return (this_name); } diff --git a/drivers/acpi/acpica/nsutils.c b/drivers/acpi/acpica/nsutils.c index a2bf4b2caa6c..6bc90d46db5c 100644 --- a/drivers/acpi/acpica/nsutils.c +++ b/drivers/acpi/acpica/nsutils.c @@ -4,7 +4,7 @@ * Module Name: nsutils - Utilities for accessing ACPI namespace, accessing * parents and siblings and Scope manipulation * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -178,7 +178,7 @@ void acpi_ns_get_internal_name_length(struct acpi_namestring_info *info) } } - info->length = (ACPI_NAME_SIZE * info->num_segments) + + info->length = (ACPI_NAMESEG_SIZE * info->num_segments) + 4 + info->num_carats; info->next_external_char = next_external_char; @@ -249,7 +249,7 @@ acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info) /* Build the name (minus path separators) */ for (; num_segments; num_segments--) { - for (i = 0; i < ACPI_NAME_SIZE; i++) { + for (i = 0; i < ACPI_NAMESEG_SIZE; i++) { if (ACPI_IS_PATH_SEPARATOR(*external_name) || (*external_name == 0)) { @@ -274,7 +274,7 @@ acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info) /* Move on the next segment */ external_name++; - result += ACPI_NAME_SIZE; + result += ACPI_NAMESEG_SIZE; } /* Terminate the string */ @@ -350,7 +350,7 @@ acpi_ns_internalize_name(const char *external_name, char **converted_name) * * FUNCTION: acpi_ns_externalize_name * - * PARAMETERS: internal_name_length - Lenth of the internal name below + * PARAMETERS: internal_name_length - Length of the internal name below * internal_name - Internal representation of name * converted_name_length - Where the length is returned * converted_name - Where the resulting external name @@ -489,12 +489,12 @@ acpi_ns_externalize_name(u32 internal_name_length, /* Copy and validate the 4-char name segment */ - ACPI_MOVE_NAME(&(*converted_name)[j], - &internal_name[names_index]); + ACPI_COPY_NAMESEG(&(*converted_name)[j], + &internal_name[names_index]); acpi_ut_repair_name(&(*converted_name)[j]); - j += ACPI_NAME_SIZE; - names_index += ACPI_NAME_SIZE; + j += ACPI_NAMESEG_SIZE; + names_index += ACPI_NAMESEG_SIZE; } } diff --git a/drivers/acpi/acpica/nswalk.c b/drivers/acpi/acpica/nswalk.c index e9a061da9bb2..ceea6af79d12 100644 --- a/drivers/acpi/acpica/nswalk.c +++ b/drivers/acpi/acpica/nswalk.c @@ -3,7 +3,7 @@ * * Module Name: nswalk - Functions for walking the ACPI namespace * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/nsxfname.c b/drivers/acpi/acpica/nsxfname.c index b2915c9cceaf..55b4a5b3331f 100644 --- a/drivers/acpi/acpica/nsxfname.c +++ b/drivers/acpi/acpica/nsxfname.c @@ -4,7 +4,7 @@ * Module Name: nsxfname - Public interfaces to the ACPI subsystem * ACPI Namespace oriented interfaces * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -495,8 +495,8 @@ acpi_status acpi_install_method(u8 *buffer) /* Table must be a DSDT or SSDT */ - if (!ACPI_COMPARE_NAME(table->signature, ACPI_SIG_DSDT) && - !ACPI_COMPARE_NAME(table->signature, ACPI_SIG_SSDT)) { + if (!ACPI_COMPARE_NAMESEG(table->signature, ACPI_SIG_DSDT) && + !ACPI_COMPARE_NAMESEG(table->signature, ACPI_SIG_SSDT)) { return (AE_BAD_HEADER); } diff --git a/drivers/acpi/acpica/psargs.c b/drivers/acpi/acpica/psargs.c index 176d28d60125..e62c7897fdf1 100644 --- a/drivers/acpi/acpica/psargs.c +++ b/drivers/acpi/acpica/psargs.c @@ -3,7 +3,7 @@ * * Module Name: psargs - Parse AML opcode arguments * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -150,21 +150,21 @@ char *acpi_ps_get_next_namestring(struct acpi_parse_state *parser_state) /* Two name segments */ - end += 1 + (2 * ACPI_NAME_SIZE); + end += 1 + (2 * ACPI_NAMESEG_SIZE); break; case AML_MULTI_NAME_PREFIX: /* Multiple name segments, 4 chars each, count in next byte */ - end += 2 + (*(end + 1) * ACPI_NAME_SIZE); + end += 2 + (*(end + 1) * ACPI_NAMESEG_SIZE); break; default: /* Single name segment */ - end += ACPI_NAME_SIZE; + end += ACPI_NAMESEG_SIZE; break; } @@ -522,7 +522,7 @@ static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state ACPI_MOVE_32_TO_32(&name, parser_state->aml); acpi_ps_set_name(field, name); - parser_state->aml += ACPI_NAME_SIZE; + parser_state->aml += ACPI_NAMESEG_SIZE; ASL_CV_CAPTURE_COMMENTS_ONLY(parser_state); diff --git a/drivers/acpi/acpica/psloop.c b/drivers/acpi/acpica/psloop.c index e00d1af6fa80..207805047bc4 100644 --- a/drivers/acpi/acpica/psloop.c +++ b/drivers/acpi/acpica/psloop.c @@ -3,7 +3,7 @@ * * Module Name: psloop - Main AML parse loop * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -32,10 +32,6 @@ static acpi_status acpi_ps_get_arguments(struct acpi_walk_state *walk_state, u8 * aml_op_start, union acpi_parse_object *op); -static void -acpi_ps_link_module_code(union acpi_parse_object *parent_op, - u8 *aml_start, u32 aml_length, acpi_owner_id owner_id); - /******************************************************************************* * * FUNCTION: acpi_ps_get_arguments @@ -56,7 +52,6 @@ acpi_ps_get_arguments(struct acpi_walk_state *walk_state, { acpi_status status = AE_OK; union acpi_parse_object *arg = NULL; - const struct acpi_opcode_info *op_info; ACPI_FUNCTION_TRACE_PTR(ps_get_arguments, walk_state); @@ -136,96 +131,6 @@ acpi_ps_get_arguments(struct acpi_walk_state *walk_state, walk_state->arg_count, walk_state->pass_number)); - /* - * This case handles the legacy option that groups all module-level - * code blocks together and defers execution until all of the tables - * are loaded. Execute all of these blocks at this time. - * Execute any module-level code that was detected during the table - * load phase. - * - * Note: this option is deprecated and will be eliminated in the - * future. Use of this option can cause problems with AML code that - * depends upon in-order immediate execution of module-level code. - */ - if (!acpi_gbl_execute_tables_as_methods && - (walk_state->pass_number <= ACPI_IMODE_LOAD_PASS2) && - ((walk_state->parse_flags & ACPI_PARSE_DISASSEMBLE) == 0)) { - /* - * We want to skip If/Else/While constructs during Pass1 because we - * want to actually conditionally execute the code during Pass2. - * - * Except for disassembly, where we always want to walk the - * If/Else/While packages - */ - switch (op->common.aml_opcode) { - case AML_IF_OP: - case AML_ELSE_OP: - case AML_WHILE_OP: - /* - * Currently supported module-level opcodes are: - * IF/ELSE/WHILE. These appear to be the most common, - * and easiest to support since they open an AML - * package. - */ - if (walk_state->pass_number == - ACPI_IMODE_LOAD_PASS1) { - acpi_ps_link_module_code(op->common. - parent, - aml_op_start, - (u32) - (walk_state-> - parser_state. - pkg_end - - aml_op_start), - walk_state-> - owner_id); - } - - ACPI_DEBUG_PRINT((ACPI_DB_PARSE, - "Pass1: Skipping an If/Else/While body\n")); - - /* Skip body of if/else/while in pass 1 */ - - walk_state->parser_state.aml = - walk_state->parser_state.pkg_end; - walk_state->arg_count = 0; - break; - - default: - /* - * Check for an unsupported executable opcode at module - * level. We must be in PASS1, the parent must be a SCOPE, - * The opcode class must be EXECUTE, and the opcode must - * not be an argument to another opcode. - */ - if ((walk_state->pass_number == - ACPI_IMODE_LOAD_PASS1) - && (op->common.parent->common.aml_opcode == - AML_SCOPE_OP)) { - op_info = - acpi_ps_get_opcode_info(op->common. - aml_opcode); - if ((op_info->class == - AML_CLASS_EXECUTE) && (!arg)) { - ACPI_WARNING((AE_INFO, - "Unsupported module-level executable opcode " - "0x%.2X at table offset 0x%.4X", - op->common. - aml_opcode, - (u32) - (ACPI_PTR_DIFF - (aml_op_start, - walk_state-> - parser_state. - aml_start) + - sizeof(struct - acpi_table_header)))); - } - } - break; - } - } - /* Special processing for certain opcodes */ switch (op->common.aml_opcode) { @@ -302,104 +207,6 @@ acpi_ps_get_arguments(struct acpi_walk_state *walk_state, /******************************************************************************* * - * FUNCTION: acpi_ps_link_module_code - * - * PARAMETERS: parent_op - Parent parser op - * aml_start - Pointer to the AML - * aml_length - Length of executable AML - * owner_id - owner_id of module level code - * - * RETURN: None. - * - * DESCRIPTION: Wrap the module-level code with a method object and link the - * object to the global list. Note, the mutex field of the method - * object is used to link multiple module-level code objects. - * - * NOTE: In this legacy option, each block of detected executable AML - * code that is outside of any control method is wrapped with a temporary - * control method object and placed on a global list below. - * - * This function executes the module-level code for all tables only after - * all of the tables have been loaded. It is a legacy option and is - * not compatible with other ACPI implementations. See acpi_ns_load_table. - * - * This function will be removed when the legacy option is removed. - * - ******************************************************************************/ - -static void -acpi_ps_link_module_code(union acpi_parse_object *parent_op, - u8 *aml_start, u32 aml_length, acpi_owner_id owner_id) -{ - union acpi_operand_object *prev; - union acpi_operand_object *next; - union acpi_operand_object *method_obj; - struct acpi_namespace_node *parent_node; - - ACPI_FUNCTION_TRACE(ps_link_module_code); - - /* Get the tail of the list */ - - prev = next = acpi_gbl_module_code_list; - while (next) { - prev = next; - next = next->method.mutex; - } - - /* - * Insert the module level code into the list. Merge it if it is - * adjacent to the previous element. - */ - if (!prev || - ((prev->method.aml_start + prev->method.aml_length) != aml_start)) { - - /* Create, initialize, and link a new temporary method object */ - - method_obj = acpi_ut_create_internal_object(ACPI_TYPE_METHOD); - if (!method_obj) { - return_VOID; - } - - ACPI_DEBUG_PRINT((ACPI_DB_PARSE, - "Create/Link new code block: %p\n", - method_obj)); - - if (parent_op->common.node) { - parent_node = parent_op->common.node; - } else { - parent_node = acpi_gbl_root_node; - } - - method_obj->method.aml_start = aml_start; - method_obj->method.aml_length = aml_length; - method_obj->method.owner_id = owner_id; - method_obj->method.info_flags |= ACPI_METHOD_MODULE_LEVEL; - - /* - * Save the parent node in next_object. This is cheating, but we - * don't want to expand the method object. - */ - method_obj->method.next_object = - ACPI_CAST_PTR(union acpi_operand_object, parent_node); - - if (!prev) { - acpi_gbl_module_code_list = method_obj; - } else { - prev->method.mutex = method_obj; - } - } else { - ACPI_DEBUG_PRINT((ACPI_DB_PARSE, - "Appending to existing code block: %p\n", - prev)); - - prev->method.aml_length += aml_length; - } - - return_VOID; -} - -/******************************************************************************* - * * FUNCTION: acpi_ps_parse_loop * * PARAMETERS: walk_state - Current state diff --git a/drivers/acpi/acpica/psobject.c b/drivers/acpi/acpica/psobject.c index e1fd819a2955..98e5c7400e54 100644 --- a/drivers/acpi/acpica/psobject.c +++ b/drivers/acpi/acpica/psobject.c @@ -3,7 +3,7 @@ * * Module Name: psobject - Support for parse objects * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/psopcode.c b/drivers/acpi/acpica/psopcode.c index 8d7dc98bad17..43775c5ce17c 100644 --- a/drivers/acpi/acpica/psopcode.c +++ b/drivers/acpi/acpica/psopcode.c @@ -3,7 +3,7 @@ * * Module Name: psopcode - Parser/Interpreter opcode information table * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/psopinfo.c b/drivers/acpi/acpica/psopinfo.c index f310954eea59..15e7563829f1 100644 --- a/drivers/acpi/acpica/psopinfo.c +++ b/drivers/acpi/acpica/psopinfo.c @@ -3,7 +3,7 @@ * * Module Name: psopinfo - AML opcode information functions and dispatch tables * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/psparse.c b/drivers/acpi/acpica/psparse.c index 65603473b6cb..9b386530ffbe 100644 --- a/drivers/acpi/acpica/psparse.c +++ b/drivers/acpi/acpica/psparse.c @@ -3,7 +3,7 @@ * * Module Name: psparse - Parser top level AML parse routines * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -523,12 +523,12 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state) if (status == AE_ABORT_METHOD) { acpi_ns_print_node_pathname(walk_state-> method_node, - "Method aborted:"); + "Aborting method"); acpi_os_printf("\n"); } else { - ACPI_ERROR_METHOD - ("Method parse/execution failed", - walk_state->method_node, NULL, status); + ACPI_ERROR_METHOD("Aborting method", + walk_state->method_node, NULL, + status); } acpi_ex_enter_interpreter(); diff --git a/drivers/acpi/acpica/psscope.c b/drivers/acpi/acpica/psscope.c index 00c67bc249aa..f153ca804740 100644 --- a/drivers/acpi/acpica/psscope.c +++ b/drivers/acpi/acpica/psscope.c @@ -3,7 +3,7 @@ * * Module Name: psscope - Parser scope stack management routines * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/pstree.c b/drivers/acpi/acpica/pstree.c index 64a8329a17f1..22d8a2becdd0 100644 --- a/drivers/acpi/acpica/pstree.c +++ b/drivers/acpi/acpica/pstree.c @@ -3,7 +3,7 @@ * * Module Name: pstree - Parser op tree manipulation/traversal/search * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/psutils.c b/drivers/acpi/acpica/psutils.c index ef8a5805a836..2512f584fa3c 100644 --- a/drivers/acpi/acpica/psutils.c +++ b/drivers/acpi/acpica/psutils.c @@ -3,7 +3,7 @@ * * Module Name: psutils - Parser miscellaneous utilities (Parser only) * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/pswalk.c b/drivers/acpi/acpica/pswalk.c index bd6af8c87d48..cf91841297c2 100644 --- a/drivers/acpi/acpica/pswalk.c +++ b/drivers/acpi/acpica/pswalk.c @@ -3,7 +3,7 @@ * * Module Name: pswalk - Parser routines to walk parsed op tree(s) * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/psxface.c b/drivers/acpi/acpica/psxface.c index 5743b22399a0..ee2ee2c858f2 100644 --- a/drivers/acpi/acpica/psxface.c +++ b/drivers/acpi/acpica/psxface.c @@ -3,7 +3,7 @@ * * Module Name: psxface - Parser external interfaces * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/rsdumpinfo.c b/drivers/acpi/acpica/rsdumpinfo.c index 77a3263169fa..cafa8134b4c6 100644 --- a/drivers/acpi/acpica/rsdumpinfo.c +++ b/drivers/acpi/acpica/rsdumpinfo.c @@ -32,7 +32,7 @@ struct acpi_rsdump_info acpi_rs_dump_irq[7] = { acpi_gbl_he_decode}, {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(irq.polarity), "Polarity", acpi_gbl_ll_decode}, - {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(irq.sharable), "Sharing", + {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(irq.shareable), "Sharing", acpi_gbl_shr_decode}, {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(irq.interrupt_count), "Interrupt Count", NULL}, @@ -222,7 +222,7 @@ struct acpi_rsdump_info acpi_rs_dump_ext_irq[8] = { "Triggering", acpi_gbl_he_decode}, {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(extended_irq.polarity), "Polarity", acpi_gbl_ll_decode}, - {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(extended_irq.sharable), "Sharing", + {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(extended_irq.shareable), "Sharing", acpi_gbl_shr_decode}, {ACPI_RSD_SOURCE, ACPI_RSD_OFFSET(extended_irq.resource_source), NULL, NULL}, @@ -255,7 +255,7 @@ struct acpi_rsdump_info acpi_rs_dump_gpio[16] = { "ProducerConsumer", acpi_gbl_consume_decode}, {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(gpio.pin_config), "PinConfig", acpi_gbl_ppc_decode}, - {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(gpio.sharable), "Sharing", + {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(gpio.shareable), "Sharing", acpi_gbl_shr_decode}, {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(gpio.io_restriction), "IoRestriction", acpi_gbl_ior_decode}, @@ -285,7 +285,7 @@ struct acpi_rsdump_info acpi_rs_dump_pin_function[10] = { "RevisionId", NULL}, {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(pin_function.pin_config), "PinConfig", acpi_gbl_ppc_decode}, - {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(pin_function.sharable), "Sharing", + {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(pin_function.shareable), "Sharing", acpi_gbl_shr_decode}, {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(pin_function.function_number), "FunctionNumber", NULL}, @@ -308,7 +308,7 @@ struct acpi_rsdump_info acpi_rs_dump_pin_config[11] = { NULL}, {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(pin_config.producer_consumer), "ProducerConsumer", acpi_gbl_consume_decode}, - {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(pin_config.sharable), "Sharing", + {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(pin_config.shareable), "Sharing", acpi_gbl_shr_decode}, {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(pin_config.pin_config_type), "PinConfigType", NULL}, @@ -353,7 +353,7 @@ struct acpi_rsdump_info acpi_rs_dump_pin_group_function[9] = { {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(pin_group_function.producer_consumer), "ProducerConsumer", acpi_gbl_consume_decode}, - {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(pin_group_function.sharable), + {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(pin_group_function.shareable), "Sharing", acpi_gbl_shr_decode}, {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(pin_group_function.function_number), "FunctionNumber", NULL}, @@ -375,7 +375,7 @@ struct acpi_rsdump_info acpi_rs_dump_pin_group_config[10] = { "RevisionId", NULL}, {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(pin_group_config.producer_consumer), "ProducerConsumer", acpi_gbl_consume_decode}, - {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(pin_group_config.sharable), + {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(pin_group_config.shareable), "Sharing", acpi_gbl_shr_decode}, {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(pin_group_config.pin_config_type), "PinConfigType", NULL}, diff --git a/drivers/acpi/acpica/rsirq.c b/drivers/acpi/acpica/rsirq.c index 134b67cd48ee..b0d970efa072 100644 --- a/drivers/acpi/acpica/rsirq.c +++ b/drivers/acpi/acpica/rsirq.c @@ -54,7 +54,7 @@ struct acpi_rsconvert_info acpi_rs_get_irq[9] = { AML_OFFSET(irq.flags), 3}, - {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.sharable), + {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.shareable), AML_OFFSET(irq.flags), 4}, @@ -92,7 +92,7 @@ struct acpi_rsconvert_info acpi_rs_set_irq[14] = { AML_OFFSET(irq.flags), 3}, - {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.sharable), + {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.shareable), AML_OFFSET(irq.flags), 4}, @@ -139,7 +139,7 @@ struct acpi_rsconvert_info acpi_rs_set_irq[14] = { ACPI_ACTIVE_HIGH}, {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, - ACPI_RS_OFFSET(data.irq.sharable), + ACPI_RS_OFFSET(data.irq.shareable), ACPI_EXCLUSIVE}, /* We can optimize to a 2-byte irq_no_flags() descriptor */ @@ -178,7 +178,7 @@ struct acpi_rsconvert_info acpi_rs_convert_ext_irq[10] = { AML_OFFSET(extended_irq.flags), 2}, - {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.sharable), + {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.shareable), AML_OFFSET(extended_irq.flags), 3}, diff --git a/drivers/acpi/acpica/rsserial.c b/drivers/acpi/acpica/rsserial.c index d073ebb51f90..1b937d88980f 100644 --- a/drivers/acpi/acpica/rsserial.c +++ b/drivers/acpi/acpica/rsserial.c @@ -39,7 +39,7 @@ struct acpi_rsconvert_info acpi_rs_convert_gpio[18] = { AML_OFFSET(gpio.flags), 0}, - {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.gpio.sharable), + {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.gpio.shareable), AML_OFFSET(gpio.int_flags), 3}, @@ -128,7 +128,7 @@ struct acpi_rsconvert_info acpi_rs_convert_pin_function[13] = { AML_OFFSET(pin_function.revision_id), 1}, - {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.pin_function.sharable), + {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.pin_function.shareable), AML_OFFSET(pin_function.flags), 0}, @@ -518,7 +518,7 @@ struct acpi_rsconvert_info acpi_rs_convert_pin_config[14] = { AML_OFFSET(pin_config.revision_id), 1}, - {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.pin_config.sharable), + {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.pin_config.shareable), AML_OFFSET(pin_config.flags), 0}, @@ -658,7 +658,7 @@ struct acpi_rsconvert_info acpi_rs_convert_pin_group_function[13] = { AML_OFFSET(pin_group_function.revision_id), 1}, - {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.pin_group_function.sharable), + {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.pin_group_function.shareable), AML_OFFSET(pin_group_function.flags), 0}, @@ -735,7 +735,7 @@ struct acpi_rsconvert_info acpi_rs_convert_pin_group_config[14] = { AML_OFFSET(pin_group_config.revision_id), 1}, - {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.pin_group_config.sharable), + {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.pin_group_config.shareable), AML_OFFSET(pin_group_config.flags), 0}, diff --git a/drivers/acpi/acpica/rsxface.c b/drivers/acpi/acpica/rsxface.c index 1d6f136e4068..c62be3d91712 100644 --- a/drivers/acpi/acpica/rsxface.c +++ b/drivers/acpi/acpica/rsxface.c @@ -603,10 +603,10 @@ acpi_walk_resources(acpi_handle device_handle, /* Parameter validation */ if (!device_handle || !user_function || !name || - (!ACPI_COMPARE_NAME(name, METHOD_NAME__CRS) && - !ACPI_COMPARE_NAME(name, METHOD_NAME__PRS) && - !ACPI_COMPARE_NAME(name, METHOD_NAME__AEI) && - !ACPI_COMPARE_NAME(name, METHOD_NAME__DMA))) { + (!ACPI_COMPARE_NAMESEG(name, METHOD_NAME__CRS) && + !ACPI_COMPARE_NAMESEG(name, METHOD_NAME__PRS) && + !ACPI_COMPARE_NAMESEG(name, METHOD_NAME__AEI) && + !ACPI_COMPARE_NAMESEG(name, METHOD_NAME__DMA))) { return_ACPI_STATUS(AE_BAD_PARAMETER); } diff --git a/drivers/acpi/acpica/tbdata.c b/drivers/acpi/acpica/tbdata.c index 862149c8a208..933f81316ad2 100644 --- a/drivers/acpi/acpica/tbdata.c +++ b/drivers/acpi/acpica/tbdata.c @@ -3,7 +3,7 @@ * * Module Name: tbdata - Table manager data structure functions * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -480,7 +480,8 @@ acpi_tb_verify_temp_table(struct acpi_table_desc *table_desc, /* If a particular signature is expected (DSDT/FACS), it must match */ - if (signature && !ACPI_COMPARE_NAME(&table_desc->signature, signature)) { + if (signature && + !ACPI_COMPARE_NAMESEG(&table_desc->signature, signature)) { ACPI_BIOS_ERROR((AE_INFO, "Invalid signature 0x%X for ACPI table, expected [%s]", table_desc->signature.integer, signature)); diff --git a/drivers/acpi/acpica/tbfadt.c b/drivers/acpi/acpica/tbfadt.c index 99d325a51816..0041bfba9abc 100644 --- a/drivers/acpi/acpica/tbfadt.c +++ b/drivers/acpi/acpica/tbfadt.c @@ -3,7 +3,7 @@ * * Module Name: tbfadt - FADT table utilities * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -556,7 +556,7 @@ static void acpi_tb_convert_fadt(void) * 64-bit X length field. * Note: If the legacy length field is > 0xFF bits, ignore * this check. (GPE registers can be larger than the - * 64-bit GAS structure can accomodate, 0xFF bits). + * 64-bit GAS structure can accommodate, 0xFF bits). */ if ((ACPI_MUL_8(length) <= ACPI_UINT8_MAX) && (address64->bit_width != diff --git a/drivers/acpi/acpica/tbfind.c b/drivers/acpi/acpica/tbfind.c index f00694b1d000..b2abb40023a6 100644 --- a/drivers/acpi/acpica/tbfind.c +++ b/drivers/acpi/acpica/tbfind.c @@ -3,7 +3,7 @@ * * Module Name: tbfind - find table * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -56,7 +56,7 @@ acpi_tb_find_table(char *signature, /* Normalize the input strings */ memset(&header, 0, sizeof(struct acpi_table_header)); - ACPI_MOVE_NAME(header.signature, signature); + ACPI_COPY_NAMESEG(header.signature, signature); strncpy(header.oem_id, oem_id, ACPI_OEM_ID_SIZE); strncpy(header.oem_table_id, oem_table_id, ACPI_OEM_TABLE_ID_SIZE); @@ -65,7 +65,7 @@ acpi_tb_find_table(char *signature, (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); for (i = 0; i < acpi_gbl_root_table_list.current_table_count; ++i) { if (memcmp(&(acpi_gbl_root_table_list.tables[i].signature), - header.signature, ACPI_NAME_SIZE)) { + header.signature, ACPI_NAMESEG_SIZE)) { /* Not the requested table */ @@ -94,14 +94,14 @@ acpi_tb_find_table(char *signature, if (!memcmp (acpi_gbl_root_table_list.tables[i].pointer->signature, - header.signature, ACPI_NAME_SIZE) && (!oem_id[0] - || - !memcmp - (acpi_gbl_root_table_list. - tables[i].pointer-> - oem_id, - header.oem_id, - ACPI_OEM_ID_SIZE)) + header.signature, ACPI_NAMESEG_SIZE) && (!oem_id[0] + || + !memcmp + (acpi_gbl_root_table_list. + tables[i]. + pointer->oem_id, + header.oem_id, + ACPI_OEM_ID_SIZE)) && (!oem_table_id[0] || !memcmp(acpi_gbl_root_table_list.tables[i].pointer-> oem_table_id, header.oem_table_id, diff --git a/drivers/acpi/acpica/tbinstal.c b/drivers/acpi/acpica/tbinstal.c index 5f8e7b561c90..ef1ffd36ab3f 100644 --- a/drivers/acpi/acpica/tbinstal.c +++ b/drivers/acpi/acpica/tbinstal.c @@ -3,7 +3,7 @@ * * Module Name: tbinstal - ACPI table installation and removal * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -120,7 +120,7 @@ acpi_tb_install_standard_table(acpi_physical_address address, */ if (!reload && acpi_gbl_disable_ssdt_table_install && - ACPI_COMPARE_NAME(&new_table_desc.signature, ACPI_SIG_SSDT)) { + ACPI_COMPARE_NAMESEG(&new_table_desc.signature, ACPI_SIG_SSDT)) { ACPI_INFO(("Ignoring installation of %4.4s at %8.8X%8.8X", new_table_desc.signature.ascii, ACPI_FORMAT_UINT64(address))); diff --git a/drivers/acpi/acpica/tbprint.c b/drivers/acpi/acpica/tbprint.c index e303418a895b..4764f849cb78 100644 --- a/drivers/acpi/acpica/tbprint.c +++ b/drivers/acpi/acpica/tbprint.c @@ -3,7 +3,7 @@ * * Module Name: tbprint - Table output utilities * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -69,10 +69,10 @@ acpi_tb_cleanup_table_header(struct acpi_table_header *out_header, memcpy(out_header, header, sizeof(struct acpi_table_header)); - acpi_tb_fix_string(out_header->signature, ACPI_NAME_SIZE); + acpi_tb_fix_string(out_header->signature, ACPI_NAMESEG_SIZE); acpi_tb_fix_string(out_header->oem_id, ACPI_OEM_ID_SIZE); acpi_tb_fix_string(out_header->oem_table_id, ACPI_OEM_TABLE_ID_SIZE); - acpi_tb_fix_string(out_header->asl_compiler_id, ACPI_NAME_SIZE); + acpi_tb_fix_string(out_header->asl_compiler_id, ACPI_NAMESEG_SIZE); } /******************************************************************************* @@ -94,7 +94,7 @@ acpi_tb_print_table_header(acpi_physical_address address, { struct acpi_table_header local_header; - if (ACPI_COMPARE_NAME(header->signature, ACPI_SIG_FACS)) { + if (ACPI_COMPARE_NAMESEG(header->signature, ACPI_SIG_FACS)) { /* FACS only has signature and length fields */ @@ -158,8 +158,8 @@ acpi_status acpi_tb_verify_checksum(struct acpi_table_header *table, u32 length) * They are the odd tables, have no standard ACPI header and no checksum */ - if (ACPI_COMPARE_NAME(table->signature, ACPI_SIG_S3PT) || - ACPI_COMPARE_NAME(table->signature, ACPI_SIG_FACS)) { + if (ACPI_COMPARE_NAMESEG(table->signature, ACPI_SIG_S3PT) || + ACPI_COMPARE_NAMESEG(table->signature, ACPI_SIG_FACS)) { return (AE_OK); } diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c index b526096560b5..c5f0b8ec70cc 100644 --- a/drivers/acpi/acpica/tbutils.c +++ b/drivers/acpi/acpica/tbutils.c @@ -3,7 +3,7 @@ * * Module Name: tbutils - ACPI Table utilities * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -332,9 +332,9 @@ acpi_tb_parse_root_table(acpi_physical_address rsdp_address) &table_index); if (ACPI_SUCCESS(status) && - ACPI_COMPARE_NAME(&acpi_gbl_root_table_list. - tables[table_index].signature, - ACPI_SIG_FADT)) { + ACPI_COMPARE_NAMESEG(&acpi_gbl_root_table_list. + tables[table_index].signature, + ACPI_SIG_FADT)) { acpi_gbl_fadt_index = table_index; acpi_tb_parse_fadt(); } diff --git a/drivers/acpi/acpica/tbxface.c b/drivers/acpi/acpica/tbxface.c index e4d0dc8948cd..1640685bf4ae 100644 --- a/drivers/acpi/acpica/tbxface.c +++ b/drivers/acpi/acpica/tbxface.c @@ -3,7 +3,7 @@ * * Module Name: tbxface - ACPI table-oriented external interfaces * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -108,7 +108,7 @@ acpi_initialize_tables(struct acpi_table_desc *initial_table_array, /* * Get the root table (RSDT or XSDT) and extract all entries to the local * Root Table Array. This array contains the information of the RSDT/XSDT - * in a common, more useable format. + * in a common, more usable format. */ status = acpi_tb_parse_root_table(rsdp_address); return_ACPI_STATUS(status); @@ -169,7 +169,7 @@ acpi_status ACPI_INIT_FUNCTION acpi_reallocate_root_table(void) if (!acpi_gbl_enable_table_validation) { /* * Now it's safe to do full table validation. We can do deferred - * table initilization here once the flag is set. + * table initialization here once the flag is set. */ acpi_gbl_enable_table_validation = TRUE; for (i = 0; i < acpi_gbl_root_table_list.current_table_count; @@ -230,7 +230,7 @@ acpi_get_table_header(char *signature, for (i = 0, j = 0; i < acpi_gbl_root_table_list.current_table_count; i++) { - if (!ACPI_COMPARE_NAME + if (!ACPI_COMPARE_NAMESEG (&(acpi_gbl_root_table_list.tables[i].signature), signature)) { continue; @@ -323,7 +323,7 @@ acpi_get_table(char *signature, i++) { table_desc = &acpi_gbl_root_table_list.tables[i]; - if (!ACPI_COMPARE_NAME(&table_desc->signature, signature)) { + if (!ACPI_COMPARE_NAMESEG(&table_desc->signature, signature)) { continue; } diff --git a/drivers/acpi/acpica/tbxfload.c b/drivers/acpi/acpica/tbxfload.c index 9011297552af..4f30f06a6f78 100644 --- a/drivers/acpi/acpica/tbxfload.c +++ b/drivers/acpi/acpica/tbxfload.c @@ -3,7 +3,7 @@ * * Module Name: tbxfload - Table load/unload external interfaces * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -69,23 +69,18 @@ acpi_status ACPI_INIT_FUNCTION acpi_load_tables(void) "While loading namespace from ACPI tables")); } - if (acpi_gbl_execute_tables_as_methods) { - /* - * If the module-level code support is enabled, initialize the objects - * in the namespace that remain uninitialized. This runs the executable - * AML that may be part of the declaration of these name objects: - * operation_regions, buffer_fields, Buffers, and Packages. - * - * Note: The module-level code is optional at this time, but will - * become the default in the future. - */ - status = acpi_ns_initialize_objects(); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } + /* + * Initialize the objects in the namespace that remain uninitialized. + * This runs the executable AML that may be part of the declaration of + * these name objects: + * operation_regions, buffer_fields, Buffers, and Packages. + * + */ + status = acpi_ns_initialize_objects(); + if (ACPI_SUCCESS(status)) { + acpi_gbl_namespace_initialized = TRUE; } - acpi_gbl_namespace_initialized = TRUE; return_ACPI_STATUS(status); } @@ -123,7 +118,7 @@ acpi_status acpi_tb_load_namespace(void) table = &acpi_gbl_root_table_list.tables[acpi_gbl_dsdt_index]; if (!acpi_gbl_root_table_list.current_table_count || - !ACPI_COMPARE_NAME(table->signature.ascii, ACPI_SIG_DSDT) || + !ACPI_COMPARE_NAMESEG(table->signature.ascii, ACPI_SIG_DSDT) || ACPI_FAILURE(acpi_tb_validate_table(table))) { status = AE_NO_ACPI_TABLES; goto unlock_and_exit; @@ -175,11 +170,12 @@ acpi_status acpi_tb_load_namespace(void) table = &acpi_gbl_root_table_list.tables[i]; if (!table->address || - (!ACPI_COMPARE_NAME(table->signature.ascii, ACPI_SIG_SSDT) - && !ACPI_COMPARE_NAME(table->signature.ascii, - ACPI_SIG_PSDT) - && !ACPI_COMPARE_NAME(table->signature.ascii, - ACPI_SIG_OSDT)) + (!ACPI_COMPARE_NAMESEG + (table->signature.ascii, ACPI_SIG_SSDT) + && !ACPI_COMPARE_NAMESEG(table->signature.ascii, + ACPI_SIG_PSDT) + && !ACPI_COMPARE_NAMESEG(table->signature.ascii, + ACPI_SIG_OSDT)) || ACPI_FAILURE(acpi_tb_validate_table(table))) { continue; } @@ -369,7 +365,7 @@ acpi_status acpi_unload_parent_table(acpi_handle object) * only these types can contain AML and thus are the only types * that can create namespace objects. */ - if (ACPI_COMPARE_NAME + if (ACPI_COMPARE_NAMESEG (acpi_gbl_root_table_list.tables[i].signature.ascii, ACPI_SIG_DSDT)) { status = AE_TYPE; diff --git a/drivers/acpi/acpica/tbxfroot.c b/drivers/acpi/acpica/tbxfroot.c index 483d0ce5180a..e2859d09ca2e 100644 --- a/drivers/acpi/acpica/tbxfroot.c +++ b/drivers/acpi/acpica/tbxfroot.c @@ -3,7 +3,7 @@ * * Module Name: tbxfroot - Find the root ACPI table (RSDT) * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/utaddress.c b/drivers/acpi/acpica/utaddress.c index dbabe680ff58..bb260376bd59 100644 --- a/drivers/acpi/acpica/utaddress.c +++ b/drivers/acpi/acpica/utaddress.c @@ -3,7 +3,7 @@ * * Module Name: utaddress - op_region address range check * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/utalloc.c b/drivers/acpi/acpica/utalloc.c index 8cbcd7d6bd5e..d64da4d9e8d0 100644 --- a/drivers/acpi/acpica/utalloc.c +++ b/drivers/acpi/acpica/utalloc.c @@ -3,7 +3,7 @@ * * Module Name: utalloc - local memory allocation routines * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/utascii.c b/drivers/acpi/acpica/utascii.c index 04ff61e284f5..f6cd7d4f698b 100644 --- a/drivers/acpi/acpica/utascii.c +++ b/drivers/acpi/acpica/utascii.c @@ -3,7 +3,7 @@ * * Module Name: utascii - Utility ascii functions * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -30,7 +30,7 @@ u8 acpi_ut_valid_nameseg(char *name) /* Validate each character in the signature */ - for (i = 0; i < ACPI_NAME_SIZE; i++) { + for (i = 0; i < ACPI_NAMESEG_SIZE; i++) { if (!acpi_ut_valid_name_char(name[i], i)) { return (FALSE); } diff --git a/drivers/acpi/acpica/utbuffer.c b/drivers/acpi/acpica/utbuffer.c index fffa6f5ae59e..61db9967ebe4 100644 --- a/drivers/acpi/acpica/utbuffer.c +++ b/drivers/acpi/acpica/utbuffer.c @@ -3,7 +3,7 @@ * * Module Name: utbuffer - Buffer dump routines * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/utcache.c b/drivers/acpi/acpica/utcache.c index 97d6ec174c28..8533fce7fa93 100644 --- a/drivers/acpi/acpica/utcache.c +++ b/drivers/acpi/acpica/utcache.c @@ -3,7 +3,7 @@ * * Module Name: utcache - local cache allocation routines * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/utcopy.c b/drivers/acpi/acpica/utcopy.c index a872ed7879ca..1fb8327f3c3b 100644 --- a/drivers/acpi/acpica/utcopy.c +++ b/drivers/acpi/acpica/utcopy.c @@ -3,7 +3,7 @@ * * Module Name: utcopy - Internal to external object translation utilities * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/utdebug.c b/drivers/acpi/acpica/utdebug.c index aabdc25effd9..01b1b36c8a8e 100644 --- a/drivers/acpi/acpica/utdebug.c +++ b/drivers/acpi/acpica/utdebug.c @@ -3,7 +3,7 @@ * * Module Name: utdebug - Debug print/trace routines * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/utdecode.c b/drivers/acpi/acpica/utdecode.c index dad02b821e19..65beaa237669 100644 --- a/drivers/acpi/acpica/utdecode.c +++ b/drivers/acpi/acpica/utdecode.c @@ -3,7 +3,7 @@ * * Module Name: utdecode - Utility decoding routines (value-to-string) * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -78,7 +78,7 @@ const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS] = { "IPMI", /* 0x07 */ "GeneralPurposeIo", /* 0x08 */ "GenericSerialBus", /* 0x09 */ - "PCC" /* 0x0A */ + "PlatformCommChannel" /* 0x0A */ }; const char *acpi_ut_get_region_name(u8 space_id) @@ -239,7 +239,7 @@ const char *acpi_ut_get_node_name(void *object) { struct acpi_namespace_node *node = (struct acpi_namespace_node *)object; - /* Must return a string of exactly 4 characters == ACPI_NAME_SIZE */ + /* Must return a string of exactly 4 characters == ACPI_NAMESEG_SIZE */ if (!object) { return ("NULL"); @@ -284,7 +284,7 @@ const char *acpi_ut_get_node_name(void *object) static const char *acpi_gbl_desc_type_names[] = { /* 00 */ "Not a Descriptor", - /* 01 */ "Cached", + /* 01 */ "Cached Object", /* 02 */ "State-Generic", /* 03 */ "State-Update", /* 04 */ "State-Package", @@ -295,10 +295,10 @@ static const char *acpi_gbl_desc_type_names[] = { /* 09 */ "State-Result", /* 10 */ "State-Notify", /* 11 */ "State-Thread", - /* 12 */ "Walk", - /* 13 */ "Parser", - /* 14 */ "Operand", - /* 15 */ "Node" + /* 12 */ "Tree Walk State", + /* 13 */ "Parse Tree Op", + /* 14 */ "Operand Object", + /* 15 */ "Namespace Node" }; const char *acpi_ut_get_descriptor_name(void *object) @@ -430,8 +430,10 @@ static const char *acpi_gbl_generic_notify[ACPI_GENERIC_NOTIFY_MAX + 1] = { /* 0C */ "Reserved (was previously Shutdown Request)", /* Reserved in ACPI 6.0 */ /* 0D */ "System Resource Affinity Update", - /* 0E */ "Heterogeneous Memory Attributes Update" + /* 0E */ "Heterogeneous Memory Attributes Update", /* ACPI 6.2 */ + /* 0F */ "Error Disconnect Recover" + /* ACPI 6.3 */ }; static const char *acpi_gbl_device_notify[5] = { @@ -461,13 +463,13 @@ static const char *acpi_gbl_thermal_notify[5] = { const char *acpi_ut_get_notify_name(u32 notify_value, acpi_object_type type) { - /* 00 - 0D are "common to all object types" (from ACPI Spec) */ + /* 00 - 0F are "common to all object types" (from ACPI Spec) */ if (notify_value <= ACPI_GENERIC_NOTIFY_MAX) { return (acpi_gbl_generic_notify[notify_value]); } - /* 0E - 7F are reserved */ + /* 10 - 7F are reserved */ if (notify_value <= ACPI_MAX_SYS_NOTIFY) { return ("Reserved"); diff --git a/drivers/acpi/acpica/utdelete.c b/drivers/acpi/acpica/utdelete.c index 8cc4392c61f3..eee263cb7beb 100644 --- a/drivers/acpi/acpica/utdelete.c +++ b/drivers/acpi/acpica/utdelete.c @@ -257,6 +257,10 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object) acpi_ut_delete_object_desc(second_desc); } + if (object->field.internal_pcc_buffer) { + ACPI_FREE(object->field.internal_pcc_buffer); + } + break; case ACPI_TYPE_BUFFER_FIELD: diff --git a/drivers/acpi/acpica/uterror.c b/drivers/acpi/acpica/uterror.c index e47430272692..075457341bad 100644 --- a/drivers/acpi/acpica/uterror.c +++ b/drivers/acpi/acpica/uterror.c @@ -183,19 +183,19 @@ acpi_ut_prefixed_namespace_error(const char *module_name, case AE_ALREADY_EXISTS: acpi_os_printf(ACPI_MSG_BIOS_ERROR); - message = "Failure creating"; + message = "Failure creating named object"; break; case AE_NOT_FOUND: acpi_os_printf(ACPI_MSG_BIOS_ERROR); - message = "Could not resolve"; + message = "Could not resolve symbol"; break; default: acpi_os_printf(ACPI_MSG_ERROR); - message = "Failure resolving"; + message = "Failure resolving symbol"; break; } @@ -317,7 +317,8 @@ acpi_ut_method_error(const char *module_name, } acpi_ns_print_node_pathname(node, message); - acpi_os_printf(", %s", acpi_format_exception(method_status)); + acpi_os_printf(" due to previous error (%s)", + acpi_format_exception(method_status)); ACPI_MSG_SUFFIX; ACPI_MSG_REDIRECT_END; diff --git a/drivers/acpi/acpica/uteval.c b/drivers/acpi/acpica/uteval.c index c56ae6e058d5..558a9f3b0678 100644 --- a/drivers/acpi/acpica/uteval.c +++ b/drivers/acpi/acpica/uteval.c @@ -3,7 +3,7 @@ * * Module Name: uteval - Object evaluation * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/utglobal.c b/drivers/acpi/acpica/utglobal.c index f8c5b49344df..b0622ec4bb85 100644 --- a/drivers/acpi/acpica/utglobal.c +++ b/drivers/acpi/acpica/utglobal.c @@ -3,7 +3,7 @@ * * Module Name: utglobal - Global variables for the ACPI subsystem * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/uthex.c b/drivers/acpi/acpica/uthex.c index 3d63a9e8da4f..b6da135d5f41 100644 --- a/drivers/acpi/acpica/uthex.c +++ b/drivers/acpi/acpica/uthex.c @@ -3,7 +3,7 @@ * * Module Name: uthex -- Hex/ASCII support functions * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/utids.c b/drivers/acpi/acpica/utids.c index 70e6bf1107a1..e805abdd95b8 100644 --- a/drivers/acpi/acpica/utids.c +++ b/drivers/acpi/acpica/utids.c @@ -3,7 +3,7 @@ * * Module Name: utids - support for device Ids - HID, UID, CID, SUB, CLS * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/utinit.c b/drivers/acpi/acpica/utinit.c index 0646ed62b351..bc124591320e 100644 --- a/drivers/acpi/acpica/utinit.c +++ b/drivers/acpi/acpica/utinit.c @@ -3,7 +3,7 @@ * * Module Name: utinit - Common ACPI subsystem initialization * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/utlock.c b/drivers/acpi/acpica/utlock.c index d61e01bd01a3..8b4ff11d617a 100644 --- a/drivers/acpi/acpica/utlock.c +++ b/drivers/acpi/acpica/utlock.c @@ -3,7 +3,7 @@ * * Module Name: utlock - Reader/Writer lock interfaces * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/utmisc.c b/drivers/acpi/acpica/utmisc.c index afaadc73196b..8638efacdbf4 100644 --- a/drivers/acpi/acpica/utmisc.c +++ b/drivers/acpi/acpica/utmisc.c @@ -59,10 +59,10 @@ u8 acpi_ut_is_aml_table(struct acpi_table_header *table) /* These are the only tables that contain executable AML */ - if (ACPI_COMPARE_NAME(table->signature, ACPI_SIG_DSDT) || - ACPI_COMPARE_NAME(table->signature, ACPI_SIG_PSDT) || - ACPI_COMPARE_NAME(table->signature, ACPI_SIG_SSDT) || - ACPI_COMPARE_NAME(table->signature, ACPI_SIG_OSDT) || + if (ACPI_COMPARE_NAMESEG(table->signature, ACPI_SIG_DSDT) || + ACPI_COMPARE_NAMESEG(table->signature, ACPI_SIG_PSDT) || + ACPI_COMPARE_NAMESEG(table->signature, ACPI_SIG_SSDT) || + ACPI_COMPARE_NAMESEG(table->signature, ACPI_SIG_OSDT) || ACPI_IS_OEM_SIG(table->signature)) { return (TRUE); } diff --git a/drivers/acpi/acpica/utobject.c b/drivers/acpi/acpica/utobject.c index ae6d8cc18cec..eee97a902696 100644 --- a/drivers/acpi/acpica/utobject.c +++ b/drivers/acpi/acpica/utobject.c @@ -3,7 +3,7 @@ * * Module Name: utobject - ACPI object create/delete/size/cache routines * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/utosi.c b/drivers/acpi/acpica/utosi.c index 902a47463abf..688c61a90725 100644 --- a/drivers/acpi/acpica/utosi.c +++ b/drivers/acpi/acpica/utosi.c @@ -3,7 +3,7 @@ * * Module Name: utosi - Support for the _OSI predefined control method * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/utpredef.c b/drivers/acpi/acpica/utpredef.c index 65ca9807c2a8..1b0f68f5ed8c 100644 --- a/drivers/acpi/acpica/utpredef.c +++ b/drivers/acpi/acpica/utpredef.c @@ -3,7 +3,7 @@ * * Module Name: utpredef - support functions for predefined names * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -84,7 +84,7 @@ const union acpi_predefined_info *acpi_ut_match_predefined_method(char *name) this_name = acpi_gbl_predefined_methods; while (this_name->info.name[0]) { - if (ACPI_COMPARE_NAME(name, this_name->info.name)) { + if (ACPI_COMPARE_NAMESEG(name, this_name->info.name)) { return (this_name); } @@ -201,7 +201,7 @@ const union acpi_predefined_info *acpi_ut_match_resource_name(char *name) this_name = acpi_gbl_resource_names; while (this_name->info.name[0]) { - if (ACPI_COMPARE_NAME(name, this_name->info.name)) { + if (ACPI_COMPARE_NAMESEG(name, this_name->info.name)) { return (this_name); } diff --git a/drivers/acpi/acpica/utprint.c b/drivers/acpi/acpica/utprint.c index a98c334c3bb7..5839f2fa7400 100644 --- a/drivers/acpi/acpica/utprint.c +++ b/drivers/acpi/acpica/utprint.c @@ -3,7 +3,7 @@ * * Module Name: utprint - Formatted printing routines * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/utstring.c b/drivers/acpi/acpica/utstring.c index 5bef0b059406..c39b5483045d 100644 --- a/drivers/acpi/acpica/utstring.c +++ b/drivers/acpi/acpica/utstring.c @@ -141,15 +141,15 @@ void acpi_ut_repair_name(char *name) * Special case for the root node. This can happen if we get an * error during the execution of module-level code. */ - if (ACPI_COMPARE_NAME(name, ACPI_ROOT_PATHNAME)) { + if (ACPI_COMPARE_NAMESEG(name, ACPI_ROOT_PATHNAME)) { return; } - ACPI_MOVE_NAME(&original_name, name); + ACPI_COPY_NAMESEG(&original_name, name); /* Check each character in the name */ - for (i = 0; i < ACPI_NAME_SIZE; i++) { + for (i = 0; i < ACPI_NAMESEG_SIZE; i++) { if (acpi_ut_valid_name_char(name[i], i)) { continue; } diff --git a/drivers/acpi/acpica/uttrack.c b/drivers/acpi/acpica/uttrack.c index 016a6621cc6f..8052f7ef5025 100644 --- a/drivers/acpi/acpica/uttrack.c +++ b/drivers/acpi/acpica/uttrack.c @@ -3,7 +3,7 @@ * * Module Name: uttrack - Memory allocation tracking routines (debug only) * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ @@ -588,6 +588,18 @@ void acpi_ut_dump_allocations(u32 component, const char *module) acpi_ut_get_descriptor_name (descriptor)); + /* Optional object hex dump */ + + if (acpi_gbl_verbose_leak_dump) { + acpi_os_printf("\n"); + acpi_ut_dump_buffer((u8 *) + descriptor, + element-> + size, + DB_BYTE_DISPLAY, + 0); + } + /* Validate the descriptor type using Type field and length */ descriptor_type = 0; /* Not a valid descriptor type */ diff --git a/drivers/acpi/acpica/utuuid.c b/drivers/acpi/acpica/utuuid.c index 59ae118092a3..0a7cf8007643 100644 --- a/drivers/acpi/acpica/utuuid.c +++ b/drivers/acpi/acpica/utuuid.c @@ -3,7 +3,7 @@ * * Module Name: utuuid -- UUID support functions * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/utxface.c b/drivers/acpi/acpica/utxface.c index d2d6cc065181..f497c4b30e65 100644 --- a/drivers/acpi/acpica/utxface.c +++ b/drivers/acpi/acpica/utxface.c @@ -3,7 +3,7 @@ * * Module Name: utxface - External interfaces, miscellaneous utility functions * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/utxferror.c b/drivers/acpi/acpica/utxferror.c index 6bb85d691fcb..a1ed7fced4db 100644 --- a/drivers/acpi/acpica/utxferror.c +++ b/drivers/acpi/acpica/utxferror.c @@ -187,6 +187,50 @@ ACPI_EXPORT_SYMBOL(acpi_bios_error) /******************************************************************************* * + * FUNCTION: acpi_bios_exception + * + * PARAMETERS: module_name - Caller's module name (for error output) + * line_number - Caller's line number (for error output) + * status - Status value to be decoded/formatted + * format - Printf format string + additional args + * + * RETURN: None + * + * DESCRIPTION: Print an "ACPI Firmware Error" message with module/line/version + * info as well as decoded acpi_status. + * + ******************************************************************************/ +void ACPI_INTERNAL_VAR_XFACE +acpi_bios_exception(const char *module_name, + u32 line_number, + acpi_status status, const char *format, ...) +{ + va_list arg_list; + + ACPI_MSG_REDIRECT_BEGIN; + + /* For AE_OK, just print the message */ + + if (ACPI_SUCCESS(status)) { + acpi_os_printf(ACPI_MSG_BIOS_ERROR); + + } else { + acpi_os_printf(ACPI_MSG_BIOS_ERROR "%s, ", + acpi_format_exception(status)); + } + + va_start(arg_list, format); + acpi_os_vprintf(format, arg_list); + ACPI_MSG_SUFFIX; + va_end(arg_list); + + ACPI_MSG_REDIRECT_END; +} + +ACPI_EXPORT_SYMBOL(acpi_bios_exception) + +/******************************************************************************* + * * FUNCTION: acpi_bios_warning * * PARAMETERS: module_name - Caller's module name (for warning output) diff --git a/drivers/acpi/acpica/utxfinit.c b/drivers/acpi/acpica/utxfinit.c index e3c60f57c9f0..9f3b1e3a09de 100644 --- a/drivers/acpi/acpica/utxfinit.c +++ b/drivers/acpi/acpica/utxfinit.c @@ -3,7 +3,7 @@ * * Module Name: utxfinit - External interfaces for ACPICA initialization * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2019, Intel Corp. * *****************************************************************************/ diff --git a/drivers/acpi/apei/Kconfig b/drivers/acpi/apei/Kconfig index 52ae5438edeb..6b18f8bc7be3 100644 --- a/drivers/acpi/apei/Kconfig +++ b/drivers/acpi/apei/Kconfig @@ -41,19 +41,9 @@ config ACPI_APEI_PCIEAER Turn on this option to enable the corresponding support. config ACPI_APEI_SEA - bool "APEI Synchronous External Abort logging/recovering support" + bool depends on ARM64 && ACPI_APEI_GHES default y - help - This option should be enabled if the system supports - firmware first handling of SEA (Synchronous External Abort). - SEA happens with certain faults of data abort or instruction - abort synchronous exceptions on ARMv8 systems. If a system - supports firmware first handling of SEA, the platform analyzes - and handles hardware error notifications from SEA, and it may then - form a HW error record for the OS to parse and handle. This - option allows the OS to look for such hardware error record, and - take appropriate action. config ACPI_APEI_MEMORY_FAILURE bool "APEI memory error recovering support" diff --git a/drivers/acpi/apei/bert.c b/drivers/acpi/apei/bert.c index 12771fcf0417..0d948d0a41af 100644 --- a/drivers/acpi/apei/bert.c +++ b/drivers/acpi/apei/bert.c @@ -42,15 +42,7 @@ static void __init bert_print_all(struct acpi_bert_region *region, int remain = region_len; u32 estatus_len; - if (!estatus->block_status) - return; - - while (remain > sizeof(struct acpi_bert_region)) { - if (cper_estatus_check(estatus)) { - pr_err(FW_BUG "Invalid error record.\n"); - return; - } - + while (remain >= sizeof(struct acpi_bert_region)) { estatus_len = cper_estatus_len(estatus); if (remain < estatus_len) { pr_err(FW_BUG "Truncated status block (length: %u).\n", @@ -58,6 +50,15 @@ static void __init bert_print_all(struct acpi_bert_region *region, return; } + /* No more error records. */ + if (!estatus->block_status) + return; + + if (cper_estatus_check(estatus)) { + pr_err(FW_BUG "Invalid error record.\n"); + return; + } + pr_info_once("Error records from previous boot:\n"); cper_estatus_print(KERN_INFO HW_ERR, estatus); @@ -70,10 +71,6 @@ static void __init bert_print_all(struct acpi_bert_region *region, estatus->block_status = 0; estatus = (void *)estatus + estatus_len; - /* No more error records. */ - if (!estatus->block_status) - return; - remain -= estatus_len; } } diff --git a/drivers/acpi/apei/einj.c b/drivers/acpi/apei/einj.c index fcccbfdbdd1a..2d4be94f8c00 100644 --- a/drivers/acpi/apei/einj.c +++ b/drivers/acpi/apei/einj.c @@ -644,8 +644,8 @@ static int error_type_set(void *data, u64 val) return 0; } -DEFINE_SIMPLE_ATTRIBUTE(error_type_fops, error_type_get, - error_type_set, "0x%llx\n"); +DEFINE_DEBUGFS_ATTRIBUTE(error_type_fops, error_type_get, error_type_set, + "0x%llx\n"); static int error_inject_set(void *data, u64 val) { @@ -656,8 +656,7 @@ static int error_inject_set(void *data, u64 val) error_param3, error_param4); } -DEFINE_SIMPLE_ATTRIBUTE(error_inject_fops, NULL, - error_inject_set, "%llu\n"); +DEFINE_DEBUGFS_ATTRIBUTE(error_inject_fops, NULL, error_inject_set, "%llu\n"); static int einj_check_table(struct acpi_table_einj *einj_tab) { @@ -679,7 +678,6 @@ static int __init einj_init(void) { int rc; acpi_status status; - struct dentry *fentry; struct apei_exec_context ctx; if (acpi_disabled) { @@ -707,25 +705,13 @@ static int __init einj_init(void) rc = -ENOMEM; einj_debug_dir = debugfs_create_dir("einj", apei_get_debugfs_dir()); - if (!einj_debug_dir) { - pr_err("Error creating debugfs node.\n"); - goto err_cleanup; - } - fentry = debugfs_create_file("available_error_type", S_IRUSR, - einj_debug_dir, NULL, - &available_error_type_fops); - if (!fentry) - goto err_cleanup; - - fentry = debugfs_create_file("error_type", S_IRUSR | S_IWUSR, - einj_debug_dir, NULL, &error_type_fops); - if (!fentry) - goto err_cleanup; - fentry = debugfs_create_file("error_inject", S_IWUSR, - einj_debug_dir, NULL, &error_inject_fops); - if (!fentry) - goto err_cleanup; + debugfs_create_file("available_error_type", S_IRUSR, einj_debug_dir, + NULL, &available_error_type_fops); + debugfs_create_file_unsafe("error_type", 0600, einj_debug_dir, + NULL, &error_type_fops); + debugfs_create_file_unsafe("error_inject", 0200, einj_debug_dir, + NULL, &error_inject_fops); apei_resources_init(&einj_resources); einj_exec_ctx_init(&ctx); @@ -750,66 +736,37 @@ static int __init einj_init(void) rc = -ENOMEM; einj_param = einj_get_parameter_address(); if ((param_extension || acpi5) && einj_param) { - fentry = debugfs_create_x32("flags", S_IRUSR | S_IWUSR, - einj_debug_dir, &error_flags); - if (!fentry) - goto err_unmap; - fentry = debugfs_create_x64("param1", S_IRUSR | S_IWUSR, - einj_debug_dir, &error_param1); - if (!fentry) - goto err_unmap; - fentry = debugfs_create_x64("param2", S_IRUSR | S_IWUSR, - einj_debug_dir, &error_param2); - if (!fentry) - goto err_unmap; - fentry = debugfs_create_x64("param3", S_IRUSR | S_IWUSR, - einj_debug_dir, &error_param3); - if (!fentry) - goto err_unmap; - fentry = debugfs_create_x64("param4", S_IRUSR | S_IWUSR, - einj_debug_dir, &error_param4); - if (!fentry) - goto err_unmap; - - fentry = debugfs_create_x32("notrigger", S_IRUSR | S_IWUSR, - einj_debug_dir, ¬rigger); - if (!fentry) - goto err_unmap; + debugfs_create_x32("flags", S_IRUSR | S_IWUSR, einj_debug_dir, + &error_flags); + debugfs_create_x64("param1", S_IRUSR | S_IWUSR, einj_debug_dir, + &error_param1); + debugfs_create_x64("param2", S_IRUSR | S_IWUSR, einj_debug_dir, + &error_param2); + debugfs_create_x64("param3", S_IRUSR | S_IWUSR, einj_debug_dir, + &error_param3); + debugfs_create_x64("param4", S_IRUSR | S_IWUSR, einj_debug_dir, + &error_param4); + debugfs_create_x32("notrigger", S_IRUSR | S_IWUSR, + einj_debug_dir, ¬rigger); } if (vendor_dev[0]) { vendor_blob.data = vendor_dev; vendor_blob.size = strlen(vendor_dev); - fentry = debugfs_create_blob("vendor", S_IRUSR, - einj_debug_dir, &vendor_blob); - if (!fentry) - goto err_unmap; - fentry = debugfs_create_x32("vendor_flags", S_IRUSR | S_IWUSR, - einj_debug_dir, &vendor_flags); - if (!fentry) - goto err_unmap; + debugfs_create_blob("vendor", S_IRUSR, einj_debug_dir, + &vendor_blob); + debugfs_create_x32("vendor_flags", S_IRUSR | S_IWUSR, + einj_debug_dir, &vendor_flags); } pr_info("Error INJection is initialized.\n"); return 0; -err_unmap: - if (einj_param) { - acpi_size size = (acpi5) ? - sizeof(struct set_error_type_with_address) : - sizeof(struct einj_parameter); - - acpi_os_unmap_iomem(einj_param, size); - pr_err("Error creating param extension debugfs nodes.\n"); - } - apei_exec_post_unmap_gars(&ctx); err_release: apei_resources_release(&einj_resources); err_fini: apei_resources_fini(&einj_resources); -err_cleanup: - pr_err("Error creating primary debugfs nodes.\n"); debugfs_remove_recursive(einj_debug_dir); return rc; diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c index 9953e50667ec..389d88e35ffb 100644 --- a/drivers/acpi/apei/erst.c +++ b/drivers/acpi/apei/erst.c @@ -938,17 +938,17 @@ static struct pstore_info erst_info = { }; #define CPER_CREATOR_PSTORE \ - UUID_LE(0x75a574e3, 0x5052, 0x4b29, 0x8a, 0x8e, 0xbe, 0x2c, \ - 0x64, 0x90, 0xb8, 0x9d) + GUID_INIT(0x75a574e3, 0x5052, 0x4b29, 0x8a, 0x8e, 0xbe, 0x2c, \ + 0x64, 0x90, 0xb8, 0x9d) #define CPER_SECTION_TYPE_DMESG \ - UUID_LE(0xc197e04e, 0xd545, 0x4a70, 0x9c, 0x17, 0xa5, 0x54, \ - 0x94, 0x19, 0xeb, 0x12) + GUID_INIT(0xc197e04e, 0xd545, 0x4a70, 0x9c, 0x17, 0xa5, 0x54, \ + 0x94, 0x19, 0xeb, 0x12) #define CPER_SECTION_TYPE_DMESG_Z \ - UUID_LE(0x4f118707, 0x04dd, 0x4055, 0xb5, 0xdd, 0x95, 0x6d, \ - 0x34, 0xdd, 0xfa, 0xc6) + GUID_INIT(0x4f118707, 0x04dd, 0x4055, 0xb5, 0xdd, 0x95, 0x6d, \ + 0x34, 0xdd, 0xfa, 0xc6) #define CPER_SECTION_TYPE_MCE \ - UUID_LE(0xfe08ffbe, 0x95e4, 0x4be7, 0xbc, 0x73, 0x40, 0x96, \ - 0x04, 0x4a, 0x38, 0xfc) + GUID_INIT(0xfe08ffbe, 0x95e4, 0x4be7, 0xbc, 0x73, 0x40, 0x96, \ + 0x04, 0x4a, 0x38, 0xfc) struct cper_pstore_record { struct cper_record_header hdr; @@ -1012,7 +1012,7 @@ skip: rc = -EIO; goto out; } - if (uuid_le_cmp(rcd->hdr.creator_id, CPER_CREATOR_PSTORE) != 0) + if (!guid_equal(&rcd->hdr.creator_id, &CPER_CREATOR_PSTORE)) goto skip; record->buf = kmalloc(len, GFP_KERNEL); @@ -1024,15 +1024,12 @@ skip: record->id = record_id; record->compressed = false; record->ecc_notice_size = 0; - if (uuid_le_cmp(rcd->sec_hdr.section_type, - CPER_SECTION_TYPE_DMESG_Z) == 0) { + if (guid_equal(&rcd->sec_hdr.section_type, &CPER_SECTION_TYPE_DMESG_Z)) { record->type = PSTORE_TYPE_DMESG; record->compressed = true; - } else if (uuid_le_cmp(rcd->sec_hdr.section_type, - CPER_SECTION_TYPE_DMESG) == 0) + } else if (guid_equal(&rcd->sec_hdr.section_type, &CPER_SECTION_TYPE_DMESG)) record->type = PSTORE_TYPE_DMESG; - else if (uuid_le_cmp(rcd->sec_hdr.section_type, - CPER_SECTION_TYPE_MCE) == 0) + else if (guid_equal(&rcd->sec_hdr.section_type, &CPER_SECTION_TYPE_MCE)) record->type = PSTORE_TYPE_MCE; else record->type = PSTORE_TYPE_MAX; diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c index f008ba7c9ced..0b5ae91fd0fb 100644 --- a/drivers/acpi/apei/ghes.c +++ b/drivers/acpi/apei/ghes.c @@ -25,6 +25,7 @@ * GNU General Public License for more details. */ +#include <linux/arm_sdei.h> #include <linux/kernel.h> #include <linux/moduleparam.h> #include <linux/init.h> @@ -33,7 +34,6 @@ #include <linux/interrupt.h> #include <linux/timer.h> #include <linux/cper.h> -#include <linux/kdebug.h> #include <linux/platform_device.h> #include <linux/mutex.h> #include <linux/ratelimit.h> @@ -42,6 +42,7 @@ #include <linux/llist.h> #include <linux/genalloc.h> #include <linux/pci.h> +#include <linux/pfn.h> #include <linux/aer.h> #include <linux/nmi.h> #include <linux/sched/clock.h> @@ -85,6 +86,15 @@ ((struct acpi_hest_generic_status *) \ ((struct ghes_estatus_node *)(estatus_node) + 1)) +/* + * NMI-like notifications vary by architecture, before the compiler can prune + * unused static functions it needs a value for these enums. + */ +#ifndef CONFIG_ARM_SDE_INTERFACE +#define FIX_APEI_GHES_SDEI_NORMAL __end_of_fixed_addresses +#define FIX_APEI_GHES_SDEI_CRITICAL __end_of_fixed_addresses +#endif + static inline bool is_hest_type_generic_v2(struct ghes *ghes) { return ghes->generic->header.type == ACPI_HEST_TYPE_GENERIC_ERROR_V2; @@ -115,11 +125,10 @@ static DEFINE_MUTEX(ghes_list_mutex); * handler, but general ioremap can not be used in atomic context, so * the fixmap is used instead. * - * These 2 spinlocks are used to prevent the fixmap entries from being used + * This spinlock is used to prevent the fixmap entry from being used * simultaneously. */ -static DEFINE_RAW_SPINLOCK(ghes_ioremap_lock_nmi); -static DEFINE_SPINLOCK(ghes_ioremap_lock_irq); +static DEFINE_SPINLOCK(ghes_notify_lock_irq); static struct gen_pool *ghes_estatus_pool; static unsigned long ghes_estatus_pool_size_request; @@ -129,82 +138,49 @@ static atomic_t ghes_estatus_cache_alloced; static int ghes_panic_timeout __read_mostly = 30; -static void __iomem *ghes_ioremap_pfn_nmi(u64 pfn) +static void __iomem *ghes_map(u64 pfn, enum fixed_addresses fixmap_idx) { phys_addr_t paddr; pgprot_t prot; - paddr = pfn << PAGE_SHIFT; + paddr = PFN_PHYS(pfn); prot = arch_apei_get_mem_attribute(paddr); - __set_fixmap(FIX_APEI_GHES_NMI, paddr, prot); + __set_fixmap(fixmap_idx, paddr, prot); - return (void __iomem *) fix_to_virt(FIX_APEI_GHES_NMI); + return (void __iomem *) __fix_to_virt(fixmap_idx); } -static void __iomem *ghes_ioremap_pfn_irq(u64 pfn) +static void ghes_unmap(void __iomem *vaddr, enum fixed_addresses fixmap_idx) { - phys_addr_t paddr; - pgprot_t prot; - - paddr = pfn << PAGE_SHIFT; - prot = arch_apei_get_mem_attribute(paddr); - __set_fixmap(FIX_APEI_GHES_IRQ, paddr, prot); - - return (void __iomem *) fix_to_virt(FIX_APEI_GHES_IRQ); -} + int _idx = virt_to_fix((unsigned long)vaddr); -static void ghes_iounmap_nmi(void) -{ - clear_fixmap(FIX_APEI_GHES_NMI); + WARN_ON_ONCE(fixmap_idx != _idx); + clear_fixmap(fixmap_idx); } -static void ghes_iounmap_irq(void) +int ghes_estatus_pool_init(int num_ghes) { - clear_fixmap(FIX_APEI_GHES_IRQ); -} + unsigned long addr, len; -static int ghes_estatus_pool_init(void) -{ ghes_estatus_pool = gen_pool_create(GHES_ESTATUS_POOL_MIN_ALLOC_ORDER, -1); if (!ghes_estatus_pool) return -ENOMEM; - return 0; -} -static void ghes_estatus_pool_free_chunk_page(struct gen_pool *pool, - struct gen_pool_chunk *chunk, - void *data) -{ - free_page(chunk->start_addr); -} - -static void ghes_estatus_pool_exit(void) -{ - gen_pool_for_each_chunk(ghes_estatus_pool, - ghes_estatus_pool_free_chunk_page, NULL); - gen_pool_destroy(ghes_estatus_pool); -} + len = GHES_ESTATUS_CACHE_AVG_SIZE * GHES_ESTATUS_CACHE_ALLOCED_MAX; + len += (num_ghes * GHES_ESOURCE_PREALLOC_MAX_SIZE); -static int ghes_estatus_pool_expand(unsigned long len) -{ - unsigned long i, pages, size, addr; - int ret; + ghes_estatus_pool_size_request = PAGE_ALIGN(len); + addr = (unsigned long)vmalloc(PAGE_ALIGN(len)); + if (!addr) + return -ENOMEM; - ghes_estatus_pool_size_request += PAGE_ALIGN(len); - size = gen_pool_size(ghes_estatus_pool); - if (size >= ghes_estatus_pool_size_request) - return 0; - pages = (ghes_estatus_pool_size_request - size) / PAGE_SIZE; - for (i = 0; i < pages; i++) { - addr = __get_free_page(GFP_KERNEL); - if (!addr) - return -ENOMEM; - ret = gen_pool_add(ghes_estatus_pool, addr, PAGE_SIZE, -1); - if (ret) - return ret; - } + /* + * New allocation must be visible in all pgd before it can be found by + * an NMI allocating from the pool. + */ + vmalloc_sync_all(); - return 0; + return gen_pool_add(ghes_estatus_pool, addr, PAGE_ALIGN(len), -1); } static int map_gen_v2(struct ghes *ghes) @@ -217,6 +193,21 @@ static void unmap_gen_v2(struct ghes *ghes) apei_unmap_generic_address(&ghes->generic_v2->read_ack_register); } +static void ghes_ack_error(struct acpi_hest_generic_v2 *gv2) +{ + int rc; + u64 val = 0; + + rc = apei_read(&val, &gv2->read_ack_register); + if (rc) + return; + + val &= gv2->read_ack_preserve << gv2->read_ack_register.bit_offset; + val |= gv2->read_ack_write << gv2->read_ack_register.bit_offset; + + apei_write(val, &gv2->read_ack_register); +} + static struct ghes *ghes_new(struct acpi_hest_generic *generic) { struct ghes *ghes; @@ -289,23 +280,16 @@ static inline int ghes_severity(int severity) } static void ghes_copy_tofrom_phys(void *buffer, u64 paddr, u32 len, - int from_phys) + int from_phys, + enum fixed_addresses fixmap_idx) { void __iomem *vaddr; - unsigned long flags = 0; - int in_nmi = in_nmi(); u64 offset; u32 trunk; while (len > 0) { offset = paddr - (paddr & PAGE_MASK); - if (in_nmi) { - raw_spin_lock(&ghes_ioremap_lock_nmi); - vaddr = ghes_ioremap_pfn_nmi(paddr >> PAGE_SHIFT); - } else { - spin_lock_irqsave(&ghes_ioremap_lock_irq, flags); - vaddr = ghes_ioremap_pfn_irq(paddr >> PAGE_SHIFT); - } + vaddr = ghes_map(PHYS_PFN(paddr), fixmap_idx); trunk = PAGE_SIZE - offset; trunk = min(trunk, len); if (from_phys) @@ -315,72 +299,114 @@ static void ghes_copy_tofrom_phys(void *buffer, u64 paddr, u32 len, len -= trunk; paddr += trunk; buffer += trunk; - if (in_nmi) { - ghes_iounmap_nmi(); - raw_spin_unlock(&ghes_ioremap_lock_nmi); - } else { - ghes_iounmap_irq(); - spin_unlock_irqrestore(&ghes_ioremap_lock_irq, flags); - } + ghes_unmap(vaddr, fixmap_idx); + } +} + +/* Check the top-level record header has an appropriate size. */ +static int __ghes_check_estatus(struct ghes *ghes, + struct acpi_hest_generic_status *estatus) +{ + u32 len = cper_estatus_len(estatus); + + if (len < sizeof(*estatus)) { + pr_warn_ratelimited(FW_WARN GHES_PFX "Truncated error status block!\n"); + return -EIO; + } + + if (len > ghes->generic->error_block_length) { + pr_warn_ratelimited(FW_WARN GHES_PFX "Invalid error status block length!\n"); + return -EIO; + } + + if (cper_estatus_check_header(estatus)) { + pr_warn_ratelimited(FW_WARN GHES_PFX "Invalid CPER header!\n"); + return -EIO; } + + return 0; } -static int ghes_read_estatus(struct ghes *ghes, int silent) +/* Read the CPER block, returning its address, and header in estatus. */ +static int __ghes_peek_estatus(struct ghes *ghes, + struct acpi_hest_generic_status *estatus, + u64 *buf_paddr, enum fixed_addresses fixmap_idx) { struct acpi_hest_generic *g = ghes->generic; - u64 buf_paddr; - u32 len; int rc; - rc = apei_read(&buf_paddr, &g->error_status_address); + rc = apei_read(buf_paddr, &g->error_status_address); if (rc) { - if (!silent && printk_ratelimit()) - pr_warning(FW_WARN GHES_PFX + *buf_paddr = 0; + pr_warn_ratelimited(FW_WARN GHES_PFX "Failed to read error status block address for hardware error source: %d.\n", g->header.source_id); return -EIO; } - if (!buf_paddr) + if (!*buf_paddr) return -ENOENT; - ghes_copy_tofrom_phys(ghes->estatus, buf_paddr, - sizeof(*ghes->estatus), 1); - if (!ghes->estatus->block_status) + ghes_copy_tofrom_phys(estatus, *buf_paddr, sizeof(*estatus), 1, + fixmap_idx); + if (!estatus->block_status) { + *buf_paddr = 0; return -ENOENT; + } - ghes->buffer_paddr = buf_paddr; - ghes->flags |= GHES_TO_CLEAR; + return __ghes_check_estatus(ghes, estatus); +} - rc = -EIO; - len = cper_estatus_len(ghes->estatus); - if (len < sizeof(*ghes->estatus)) - goto err_read_block; - if (len > ghes->generic->error_block_length) - goto err_read_block; - if (cper_estatus_check_header(ghes->estatus)) - goto err_read_block; - ghes_copy_tofrom_phys(ghes->estatus + 1, - buf_paddr + sizeof(*ghes->estatus), - len - sizeof(*ghes->estatus), 1); - if (cper_estatus_check(ghes->estatus)) - goto err_read_block; - rc = 0; - -err_read_block: - if (rc && !silent && printk_ratelimit()) - pr_warning(FW_WARN GHES_PFX - "Failed to read error status block!\n"); - return rc; +static int __ghes_read_estatus(struct acpi_hest_generic_status *estatus, + u64 buf_paddr, enum fixed_addresses fixmap_idx, + size_t buf_len) +{ + ghes_copy_tofrom_phys(estatus, buf_paddr, buf_len, 1, fixmap_idx); + if (cper_estatus_check(estatus)) { + pr_warn_ratelimited(FW_WARN GHES_PFX + "Failed to read error status block!\n"); + return -EIO; + } + + return 0; } -static void ghes_clear_estatus(struct ghes *ghes) +static int ghes_read_estatus(struct ghes *ghes, + struct acpi_hest_generic_status *estatus, + u64 *buf_paddr, enum fixed_addresses fixmap_idx) { - ghes->estatus->block_status = 0; - if (!(ghes->flags & GHES_TO_CLEAR)) + int rc; + + rc = __ghes_peek_estatus(ghes, estatus, buf_paddr, fixmap_idx); + if (rc) + return rc; + + rc = __ghes_check_estatus(ghes, estatus); + if (rc) + return rc; + + return __ghes_read_estatus(estatus, *buf_paddr, fixmap_idx, + cper_estatus_len(estatus)); +} + +static void ghes_clear_estatus(struct ghes *ghes, + struct acpi_hest_generic_status *estatus, + u64 buf_paddr, enum fixed_addresses fixmap_idx) +{ + estatus->block_status = 0; + + if (!buf_paddr) return; - ghes_copy_tofrom_phys(ghes->estatus, ghes->buffer_paddr, - sizeof(ghes->estatus->block_status), 0); - ghes->flags &= ~GHES_TO_CLEAR; + + ghes_copy_tofrom_phys(estatus, buf_paddr, + sizeof(estatus->block_status), 0, + fixmap_idx); + + /* + * GHESv2 type HEST entries introduce support for error acknowledgment, + * so only acknowledge the error if this support is present. + */ + if (is_hest_type_generic_v2(ghes)) + ghes_ack_error(ghes->generic_v2); } static void ghes_handle_memory_failure(struct acpi_hest_generic_data *gdata, int sev) @@ -672,26 +698,13 @@ static void ghes_estatus_cache_add( rcu_read_unlock(); } -static int ghes_ack_error(struct acpi_hest_generic_v2 *gv2) +static void __ghes_panic(struct ghes *ghes, + struct acpi_hest_generic_status *estatus, + u64 buf_paddr, enum fixed_addresses fixmap_idx) { - int rc; - u64 val = 0; + __ghes_print_estatus(KERN_EMERG, ghes->generic, estatus); - rc = apei_read(&val, &gv2->read_ack_register); - if (rc) - return rc; - - val &= gv2->read_ack_preserve << gv2->read_ack_register.bit_offset; - val |= gv2->read_ack_write << gv2->read_ack_register.bit_offset; - - return apei_write(val, &gv2->read_ack_register); -} - -static void __ghes_panic(struct ghes *ghes) -{ - __ghes_print_estatus(KERN_EMERG, ghes->generic, ghes->estatus); - - ghes_clear_estatus(ghes); + ghes_clear_estatus(ghes, estatus, buf_paddr, fixmap_idx); /* reboot to log the error! */ if (!panic_timeout) @@ -701,34 +714,25 @@ static void __ghes_panic(struct ghes *ghes) static int ghes_proc(struct ghes *ghes) { + struct acpi_hest_generic_status *estatus = ghes->estatus; + u64 buf_paddr; int rc; - rc = ghes_read_estatus(ghes, 0); + rc = ghes_read_estatus(ghes, estatus, &buf_paddr, FIX_APEI_GHES_IRQ); if (rc) goto out; - if (ghes_severity(ghes->estatus->error_severity) >= GHES_SEV_PANIC) { - __ghes_panic(ghes); - } + if (ghes_severity(estatus->error_severity) >= GHES_SEV_PANIC) + __ghes_panic(ghes, estatus, buf_paddr, FIX_APEI_GHES_IRQ); - if (!ghes_estatus_cached(ghes->estatus)) { - if (ghes_print_estatus(NULL, ghes->generic, ghes->estatus)) - ghes_estatus_cache_add(ghes->generic, ghes->estatus); + if (!ghes_estatus_cached(estatus)) { + if (ghes_print_estatus(NULL, ghes->generic, estatus)) + ghes_estatus_cache_add(ghes->generic, estatus); } - ghes_do_proc(ghes, ghes->estatus); + ghes_do_proc(ghes, estatus); out: - ghes_clear_estatus(ghes); - - if (rc == -ENOENT) - return rc; - - /* - * GHESv2 type HEST entries introduce support for error acknowledgment, - * so only acknowledge the error if this support is present. - */ - if (is_hest_type_generic_v2(ghes)) - return ghes_ack_error(ghes->generic_v2); + ghes_clear_estatus(ghes, estatus, buf_paddr, FIX_APEI_GHES_IRQ); return rc; } @@ -751,8 +755,11 @@ static void ghes_add_timer(struct ghes *ghes) static void ghes_poll_func(struct timer_list *t) { struct ghes *ghes = from_timer(ghes, t, timer); + unsigned long flags; + spin_lock_irqsave(&ghes_notify_lock_irq, flags); ghes_proc(ghes); + spin_unlock_irqrestore(&ghes_notify_lock_irq, flags); if (!(ghes->flags & GHES_EXITING)) ghes_add_timer(ghes); } @@ -760,9 +767,12 @@ static void ghes_poll_func(struct timer_list *t) static irqreturn_t ghes_irq_func(int irq, void *data) { struct ghes *ghes = data; + unsigned long flags; int rc; + spin_lock_irqsave(&ghes_notify_lock_irq, flags); rc = ghes_proc(ghes); + spin_unlock_irqrestore(&ghes_notify_lock_irq, flags); if (rc) return IRQ_NONE; @@ -773,14 +783,17 @@ static int ghes_notify_hed(struct notifier_block *this, unsigned long event, void *data) { struct ghes *ghes; + unsigned long flags; int ret = NOTIFY_DONE; + spin_lock_irqsave(&ghes_notify_lock_irq, flags); rcu_read_lock(); list_for_each_entry_rcu(ghes, &ghes_hed, list) { if (!ghes_proc(ghes)) ret = NOTIFY_OK; } rcu_read_unlock(); + spin_unlock_irqrestore(&ghes_notify_lock_irq, flags); return ret; } @@ -789,66 +802,20 @@ static struct notifier_block ghes_notifier_hed = { .notifier_call = ghes_notify_hed, }; -#ifdef CONFIG_ACPI_APEI_SEA -static LIST_HEAD(ghes_sea); - -/* - * Return 0 only if one of the SEA error sources successfully reported an error - * record sent from the firmware. - */ -int ghes_notify_sea(void) -{ - struct ghes *ghes; - int ret = -ENOENT; - - rcu_read_lock(); - list_for_each_entry_rcu(ghes, &ghes_sea, list) { - if (!ghes_proc(ghes)) - ret = 0; - } - rcu_read_unlock(); - return ret; -} - -static void ghes_sea_add(struct ghes *ghes) -{ - mutex_lock(&ghes_list_mutex); - list_add_rcu(&ghes->list, &ghes_sea); - mutex_unlock(&ghes_list_mutex); -} - -static void ghes_sea_remove(struct ghes *ghes) -{ - mutex_lock(&ghes_list_mutex); - list_del_rcu(&ghes->list); - mutex_unlock(&ghes_list_mutex); - synchronize_rcu(); -} -#else /* CONFIG_ACPI_APEI_SEA */ -static inline void ghes_sea_add(struct ghes *ghes) { } -static inline void ghes_sea_remove(struct ghes *ghes) { } -#endif /* CONFIG_ACPI_APEI_SEA */ - -#ifdef CONFIG_HAVE_ACPI_APEI_NMI /* - * printk is not safe in NMI context. So in NMI handler, we allocate - * required memory from lock-less memory allocator - * (ghes_estatus_pool), save estatus into it, put them into lock-less - * list (ghes_estatus_llist), then delay printk into IRQ context via - * irq_work (ghes_proc_irq_work). ghes_estatus_size_request record - * required pool size by all NMI error source. + * Handlers for CPER records may not be NMI safe. For example, + * memory_failure_queue() takes spinlocks and calls schedule_work_on(). + * In any NMI-like handler, memory from ghes_estatus_pool is used to save + * estatus, and added to the ghes_estatus_llist. irq_work_queue() causes + * ghes_proc_in_irq() to run in IRQ context where each estatus in + * ghes_estatus_llist is processed. + * + * Memory from the ghes_estatus_pool is also used with the ghes_estatus_cache + * to suppress frequent messages. */ static struct llist_head ghes_estatus_llist; static struct irq_work ghes_proc_irq_work; -/* - * NMI may be triggered on any CPU, so ghes_in_nmi is used for - * having only one concurrent reader. - */ -static atomic_t ghes_in_nmi = ATOMIC_INIT(0); - -static LIST_HEAD(ghes_nmi); - static void ghes_proc_in_irq(struct irq_work *irq_work) { struct llist_node *llnode, *next; @@ -905,96 +872,154 @@ static void ghes_print_queued_estatus(void) } } -/* Save estatus for further processing in IRQ context */ -static void __process_error(struct ghes *ghes) +static int ghes_in_nmi_queue_one_entry(struct ghes *ghes, + enum fixed_addresses fixmap_idx) { -#ifdef CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG - u32 len, node_len; + struct acpi_hest_generic_status *estatus, tmp_header; struct ghes_estatus_node *estatus_node; - struct acpi_hest_generic_status *estatus; + u32 len, node_len; + u64 buf_paddr; + int sev, rc; - if (ghes_estatus_cached(ghes->estatus)) - return; + if (!IS_ENABLED(CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG)) + return -EOPNOTSUPP; - len = cper_estatus_len(ghes->estatus); - node_len = GHES_ESTATUS_NODE_LEN(len); + rc = __ghes_peek_estatus(ghes, &tmp_header, &buf_paddr, fixmap_idx); + if (rc) { + ghes_clear_estatus(ghes, &tmp_header, buf_paddr, fixmap_idx); + return rc; + } + rc = __ghes_check_estatus(ghes, &tmp_header); + if (rc) { + ghes_clear_estatus(ghes, &tmp_header, buf_paddr, fixmap_idx); + return rc; + } + + len = cper_estatus_len(&tmp_header); + node_len = GHES_ESTATUS_NODE_LEN(len); estatus_node = (void *)gen_pool_alloc(ghes_estatus_pool, node_len); if (!estatus_node) - return; + return -ENOMEM; estatus_node->ghes = ghes; estatus_node->generic = ghes->generic; estatus = GHES_ESTATUS_FROM_NODE(estatus_node); - memcpy(estatus, ghes->estatus, len); - llist_add(&estatus_node->llnode, &ghes_estatus_llist); -#endif -} -static int ghes_notify_nmi(unsigned int cmd, struct pt_regs *regs) -{ - struct ghes *ghes; - int sev, ret = NMI_DONE; + if (__ghes_read_estatus(estatus, buf_paddr, fixmap_idx, len)) { + ghes_clear_estatus(ghes, estatus, buf_paddr, fixmap_idx); + rc = -ENOENT; + goto no_work; + } - if (!atomic_add_unless(&ghes_in_nmi, 1, 1)) - return ret; + sev = ghes_severity(estatus->error_severity); + if (sev >= GHES_SEV_PANIC) { + ghes_print_queued_estatus(); + __ghes_panic(ghes, estatus, buf_paddr, fixmap_idx); + } - list_for_each_entry_rcu(ghes, &ghes_nmi, list) { - if (ghes_read_estatus(ghes, 1)) { - ghes_clear_estatus(ghes); - continue; - } else { - ret = NMI_HANDLED; - } + ghes_clear_estatus(ghes, &tmp_header, buf_paddr, fixmap_idx); - sev = ghes_severity(ghes->estatus->error_severity); - if (sev >= GHES_SEV_PANIC) { - oops_begin(); - ghes_print_queued_estatus(); - __ghes_panic(ghes); - } + /* This error has been reported before, don't process it again. */ + if (ghes_estatus_cached(estatus)) + goto no_work; - if (!(ghes->flags & GHES_TO_CLEAR)) - continue; + llist_add(&estatus_node->llnode, &ghes_estatus_llist); + + return rc; + +no_work: + gen_pool_free(ghes_estatus_pool, (unsigned long)estatus_node, + node_len); + + return rc; +} - __process_error(ghes); - ghes_clear_estatus(ghes); +static int ghes_in_nmi_spool_from_list(struct list_head *rcu_list, + enum fixed_addresses fixmap_idx) +{ + int ret = -ENOENT; + struct ghes *ghes; + + rcu_read_lock(); + list_for_each_entry_rcu(ghes, rcu_list, list) { + if (!ghes_in_nmi_queue_one_entry(ghes, fixmap_idx)) + ret = 0; } + rcu_read_unlock(); -#ifdef CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG - if (ret == NMI_HANDLED) + if (IS_ENABLED(CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG) && !ret) irq_work_queue(&ghes_proc_irq_work); -#endif - atomic_dec(&ghes_in_nmi); + return ret; } -static unsigned long ghes_esource_prealloc_size( - const struct acpi_hest_generic *generic) +#ifdef CONFIG_ACPI_APEI_SEA +static LIST_HEAD(ghes_sea); + +/* + * Return 0 only if one of the SEA error sources successfully reported an error + * record sent from the firmware. + */ +int ghes_notify_sea(void) { - unsigned long block_length, prealloc_records, prealloc_size; + static DEFINE_RAW_SPINLOCK(ghes_notify_lock_sea); + int rv; - block_length = min_t(unsigned long, generic->error_block_length, - GHES_ESTATUS_MAX_SIZE); - prealloc_records = max_t(unsigned long, - generic->records_to_preallocate, 1); - prealloc_size = min_t(unsigned long, block_length * prealloc_records, - GHES_ESOURCE_PREALLOC_MAX_SIZE); + raw_spin_lock(&ghes_notify_lock_sea); + rv = ghes_in_nmi_spool_from_list(&ghes_sea, FIX_APEI_GHES_SEA); + raw_spin_unlock(&ghes_notify_lock_sea); - return prealloc_size; + return rv; } -static void ghes_estatus_pool_shrink(unsigned long len) +static void ghes_sea_add(struct ghes *ghes) { - ghes_estatus_pool_size_request -= PAGE_ALIGN(len); + mutex_lock(&ghes_list_mutex); + list_add_rcu(&ghes->list, &ghes_sea); + mutex_unlock(&ghes_list_mutex); } -static void ghes_nmi_add(struct ghes *ghes) +static void ghes_sea_remove(struct ghes *ghes) { - unsigned long len; + mutex_lock(&ghes_list_mutex); + list_del_rcu(&ghes->list); + mutex_unlock(&ghes_list_mutex); + synchronize_rcu(); +} +#else /* CONFIG_ACPI_APEI_SEA */ +static inline void ghes_sea_add(struct ghes *ghes) { } +static inline void ghes_sea_remove(struct ghes *ghes) { } +#endif /* CONFIG_ACPI_APEI_SEA */ + +#ifdef CONFIG_HAVE_ACPI_APEI_NMI +/* + * NMI may be triggered on any CPU, so ghes_in_nmi is used for + * having only one concurrent reader. + */ +static atomic_t ghes_in_nmi = ATOMIC_INIT(0); + +static LIST_HEAD(ghes_nmi); + +static int ghes_notify_nmi(unsigned int cmd, struct pt_regs *regs) +{ + static DEFINE_RAW_SPINLOCK(ghes_notify_lock_nmi); + int ret = NMI_DONE; + + if (!atomic_add_unless(&ghes_in_nmi, 1, 1)) + return ret; + + raw_spin_lock(&ghes_notify_lock_nmi); + if (!ghes_in_nmi_spool_from_list(&ghes_nmi, FIX_APEI_GHES_NMI)) + ret = NMI_HANDLED; + raw_spin_unlock(&ghes_notify_lock_nmi); - len = ghes_esource_prealloc_size(ghes->generic); - ghes_estatus_pool_expand(len); + atomic_dec(&ghes_in_nmi); + return ret; +} + +static void ghes_nmi_add(struct ghes *ghes) +{ mutex_lock(&ghes_list_mutex); if (list_empty(&ghes_nmi)) register_nmi_handler(NMI_LOCAL, ghes_notify_nmi, 0, "ghes"); @@ -1004,8 +1029,6 @@ static void ghes_nmi_add(struct ghes *ghes) static void ghes_nmi_remove(struct ghes *ghes) { - unsigned long len; - mutex_lock(&ghes_list_mutex); list_del_rcu(&ghes->list); if (list_empty(&ghes_nmi)) @@ -1016,24 +1039,79 @@ static void ghes_nmi_remove(struct ghes *ghes) * freed after NMI handler finishes. */ synchronize_rcu(); - len = ghes_esource_prealloc_size(ghes->generic); - ghes_estatus_pool_shrink(len); } +#else /* CONFIG_HAVE_ACPI_APEI_NMI */ +static inline void ghes_nmi_add(struct ghes *ghes) { } +static inline void ghes_nmi_remove(struct ghes *ghes) { } +#endif /* CONFIG_HAVE_ACPI_APEI_NMI */ static void ghes_nmi_init_cxt(void) { init_irq_work(&ghes_proc_irq_work, ghes_proc_in_irq); } -#else /* CONFIG_HAVE_ACPI_APEI_NMI */ -static inline void ghes_nmi_add(struct ghes *ghes) { } -static inline void ghes_nmi_remove(struct ghes *ghes) { } -static inline void ghes_nmi_init_cxt(void) { } -#endif /* CONFIG_HAVE_ACPI_APEI_NMI */ + +static int __ghes_sdei_callback(struct ghes *ghes, + enum fixed_addresses fixmap_idx) +{ + if (!ghes_in_nmi_queue_one_entry(ghes, fixmap_idx)) { + irq_work_queue(&ghes_proc_irq_work); + + return 0; + } + + return -ENOENT; +} + +static int ghes_sdei_normal_callback(u32 event_num, struct pt_regs *regs, + void *arg) +{ + static DEFINE_RAW_SPINLOCK(ghes_notify_lock_sdei_normal); + struct ghes *ghes = arg; + int err; + + raw_spin_lock(&ghes_notify_lock_sdei_normal); + err = __ghes_sdei_callback(ghes, FIX_APEI_GHES_SDEI_NORMAL); + raw_spin_unlock(&ghes_notify_lock_sdei_normal); + + return err; +} + +static int ghes_sdei_critical_callback(u32 event_num, struct pt_regs *regs, + void *arg) +{ + static DEFINE_RAW_SPINLOCK(ghes_notify_lock_sdei_critical); + struct ghes *ghes = arg; + int err; + + raw_spin_lock(&ghes_notify_lock_sdei_critical); + err = __ghes_sdei_callback(ghes, FIX_APEI_GHES_SDEI_CRITICAL); + raw_spin_unlock(&ghes_notify_lock_sdei_critical); + + return err; +} + +static int apei_sdei_register_ghes(struct ghes *ghes) +{ + if (!IS_ENABLED(CONFIG_ARM_SDE_INTERFACE)) + return -EOPNOTSUPP; + + return sdei_register_ghes(ghes, ghes_sdei_normal_callback, + ghes_sdei_critical_callback); +} + +static int apei_sdei_unregister_ghes(struct ghes *ghes) +{ + if (!IS_ENABLED(CONFIG_ARM_SDE_INTERFACE)) + return -EOPNOTSUPP; + + return sdei_unregister_ghes(ghes); +} static int ghes_probe(struct platform_device *ghes_dev) { struct acpi_hest_generic *generic; struct ghes *ghes = NULL; + unsigned long flags; int rc = -EINVAL; @@ -1064,6 +1142,13 @@ static int ghes_probe(struct platform_device *ghes_dev) goto err; } break; + case ACPI_HEST_NOTIFY_SOFTWARE_DELEGATED: + if (!IS_ENABLED(CONFIG_ARM_SDE_INTERFACE)) { + pr_warn(GHES_PFX "Generic hardware error source: %d notified via SDE Interface is not supported!\n", + generic->header.source_id); + goto err; + } + break; case ACPI_HEST_NOTIFY_LOCAL: pr_warning(GHES_PFX "Generic hardware error source: %d notified via local interrupt is not supported!\n", generic->header.source_id); @@ -1127,6 +1212,11 @@ static int ghes_probe(struct platform_device *ghes_dev) case ACPI_HEST_NOTIFY_NMI: ghes_nmi_add(ghes); break; + case ACPI_HEST_NOTIFY_SOFTWARE_DELEGATED: + rc = apei_sdei_register_ghes(ghes); + if (rc) + goto err; + break; default: BUG(); } @@ -1136,7 +1226,9 @@ static int ghes_probe(struct platform_device *ghes_dev) ghes_edac_register(ghes, &ghes_dev->dev); /* Handle any pending errors right away */ + spin_lock_irqsave(&ghes_notify_lock_irq, flags); ghes_proc(ghes); + spin_unlock_irqrestore(&ghes_notify_lock_irq, flags); return 0; @@ -1150,6 +1242,7 @@ err: static int ghes_remove(struct platform_device *ghes_dev) { + int rc; struct ghes *ghes; struct acpi_hest_generic *generic; @@ -1182,6 +1275,11 @@ static int ghes_remove(struct platform_device *ghes_dev) case ACPI_HEST_NOTIFY_NMI: ghes_nmi_remove(ghes); break; + case ACPI_HEST_NOTIFY_SOFTWARE_DELEGATED: + rc = apei_sdei_unregister_ghes(ghes); + if (rc) + return rc; + break; default: BUG(); break; @@ -1230,18 +1328,9 @@ static int __init ghes_init(void) ghes_nmi_init_cxt(); - rc = ghes_estatus_pool_init(); - if (rc) - goto err; - - rc = ghes_estatus_pool_expand(GHES_ESTATUS_CACHE_AVG_SIZE * - GHES_ESTATUS_CACHE_ALLOCED_MAX); - if (rc) - goto err_pool_exit; - rc = platform_driver_register(&ghes_platform_driver); if (rc) - goto err_pool_exit; + goto err; rc = apei_osc_setup(); if (rc == 0 && osc_sb_apei_support_acked) @@ -1254,8 +1343,6 @@ static int __init ghes_init(void) pr_info(GHES_PFX "Failed to enable APEI firmware first mode.\n"); return 0; -err_pool_exit: - ghes_estatus_pool_exit(); err: return rc; } diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c index b1e9f81ebeea..8113ddb14d28 100644 --- a/drivers/acpi/apei/hest.c +++ b/drivers/acpi/apei/hest.c @@ -32,6 +32,7 @@ #include <linux/io.h> #include <linux/platform_device.h> #include <acpi/apei.h> +#include <acpi/ghes.h> #include "apei-internal.h" @@ -53,6 +54,7 @@ static const int hest_esrc_len_tab[ACPI_HEST_TYPE_RESERVED] = { [ACPI_HEST_TYPE_AER_BRIDGE] = sizeof(struct acpi_hest_aer_bridge), [ACPI_HEST_TYPE_GENERIC_ERROR] = sizeof(struct acpi_hest_generic), [ACPI_HEST_TYPE_GENERIC_ERROR_V2] = sizeof(struct acpi_hest_generic_v2), + [ACPI_HEST_TYPE_IA32_DEFERRED_CHECK] = -1, }; static int hest_esrc_len(struct acpi_hest_header *hest_hdr) @@ -75,6 +77,11 @@ static int hest_esrc_len(struct acpi_hest_header *hest_hdr) mc = (struct acpi_hest_ia_machine_check *)hest_hdr; len = sizeof(*mc) + mc->num_hardware_banks * sizeof(struct acpi_hest_ia_error_bank); + } else if (hest_type == ACPI_HEST_TYPE_IA32_DEFERRED_CHECK) { + struct acpi_hest_ia_deferred_check *mc; + mc = (struct acpi_hest_ia_deferred_check *)hest_hdr; + len = sizeof(*mc) + mc->num_hardware_banks * + sizeof(struct acpi_hest_ia_error_bank); } BUG_ON(len == -1); @@ -203,6 +210,11 @@ static int __init hest_ghes_dev_register(unsigned int ghes_count) rc = apei_hest_parse(hest_parse_ghes, &ghes_arr); if (rc) goto err; + + rc = ghes_estatus_pool_init(ghes_count); + if (rc) + goto err; + out: kfree(ghes_arr.ghes_devs); return rc; @@ -251,7 +263,9 @@ void __init acpi_hest_init(void) rc = apei_hest_parse(hest_parse_ghes_count, &ghes_count); if (rc) goto err; - rc = hest_ghes_dev_register(ghes_count); + + if (ghes_count) + rc = hest_ghes_dev_register(ghes_count); if (rc) goto err; } diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c index e48894e002ba..adbf7cbedf80 100644 --- a/drivers/acpi/arm64/iort.c +++ b/drivers/acpi/arm64/iort.c @@ -356,7 +356,8 @@ static struct acpi_iort_node *iort_node_get_id(struct acpi_iort_node *node, if (map->flags & ACPI_IORT_ID_SINGLE_MAPPING) { if (node->type == ACPI_IORT_NODE_NAMED_COMPONENT || node->type == ACPI_IORT_NODE_PCI_ROOT_COMPLEX || - node->type == ACPI_IORT_NODE_SMMU_V3) { + node->type == ACPI_IORT_NODE_SMMU_V3 || + node->type == ACPI_IORT_NODE_PMCG) { *id_out = map->output_base; return parent; } @@ -394,6 +395,8 @@ static int iort_get_id_mapping_index(struct acpi_iort_node *node) } return smmu->id_mapping_index; + case ACPI_IORT_NODE_PMCG: + return 0; default: return -EINVAL; } @@ -1218,32 +1221,47 @@ static void __init arm_smmu_v3_init_resources(struct resource *res, } } -static bool __init arm_smmu_v3_is_coherent(struct acpi_iort_node *node) +static void __init arm_smmu_v3_dma_configure(struct device *dev, + struct acpi_iort_node *node) { struct acpi_iort_smmu_v3 *smmu; + enum dev_dma_attr attr; /* Retrieve SMMUv3 specific data */ smmu = (struct acpi_iort_smmu_v3 *)node->node_data; - return smmu->flags & ACPI_IORT_SMMU_V3_COHACC_OVERRIDE; + attr = (smmu->flags & ACPI_IORT_SMMU_V3_COHACC_OVERRIDE) ? + DEV_DMA_COHERENT : DEV_DMA_NON_COHERENT; + + /* We expect the dma masks to be equivalent for all SMMUv3 set-ups */ + dev->dma_mask = &dev->coherent_dma_mask; + + /* Configure DMA for the page table walker */ + acpi_dma_configure(dev, attr); } #if defined(CONFIG_ACPI_NUMA) /* * set numa proximity domain for smmuv3 device */ -static void __init arm_smmu_v3_set_proximity(struct device *dev, +static int __init arm_smmu_v3_set_proximity(struct device *dev, struct acpi_iort_node *node) { struct acpi_iort_smmu_v3 *smmu; smmu = (struct acpi_iort_smmu_v3 *)node->node_data; if (smmu->flags & ACPI_IORT_SMMU_V3_PXM_VALID) { - set_dev_node(dev, acpi_map_pxm_to_node(smmu->pxm)); + int node = acpi_map_pxm_to_node(smmu->pxm); + + if (node != NUMA_NO_NODE && !node_online(node)) + return -EINVAL; + + set_dev_node(dev, node); pr_info("SMMU-v3[%llx] Mapped to Proximity domain %d\n", smmu->base_address, smmu->pxm); } + return 0; } #else #define arm_smmu_v3_set_proximity NULL @@ -1301,30 +1319,96 @@ static void __init arm_smmu_init_resources(struct resource *res, } } -static bool __init arm_smmu_is_coherent(struct acpi_iort_node *node) +static void __init arm_smmu_dma_configure(struct device *dev, + struct acpi_iort_node *node) { struct acpi_iort_smmu *smmu; + enum dev_dma_attr attr; /* Retrieve SMMU specific data */ smmu = (struct acpi_iort_smmu *)node->node_data; - return smmu->flags & ACPI_IORT_SMMU_COHERENT_WALK; + attr = (smmu->flags & ACPI_IORT_SMMU_COHERENT_WALK) ? + DEV_DMA_COHERENT : DEV_DMA_NON_COHERENT; + + /* We expect the dma masks to be equivalent for SMMU set-ups */ + dev->dma_mask = &dev->coherent_dma_mask; + + /* Configure DMA for the page table walker */ + acpi_dma_configure(dev, attr); +} + +static int __init arm_smmu_v3_pmcg_count_resources(struct acpi_iort_node *node) +{ + struct acpi_iort_pmcg *pmcg; + + /* Retrieve PMCG specific data */ + pmcg = (struct acpi_iort_pmcg *)node->node_data; + + /* + * There are always 2 memory resources. + * If the overflow_gsiv is present then add that for a total of 3. + */ + return pmcg->overflow_gsiv ? 3 : 2; +} + +static void __init arm_smmu_v3_pmcg_init_resources(struct resource *res, + struct acpi_iort_node *node) +{ + struct acpi_iort_pmcg *pmcg; + + /* Retrieve PMCG specific data */ + pmcg = (struct acpi_iort_pmcg *)node->node_data; + + res[0].start = pmcg->page0_base_address; + res[0].end = pmcg->page0_base_address + SZ_4K - 1; + res[0].flags = IORESOURCE_MEM; + res[1].start = pmcg->page1_base_address; + res[1].end = pmcg->page1_base_address + SZ_4K - 1; + res[1].flags = IORESOURCE_MEM; + + if (pmcg->overflow_gsiv) + acpi_iort_register_irq(pmcg->overflow_gsiv, "overflow", + ACPI_EDGE_SENSITIVE, &res[2]); +} + +static struct acpi_platform_list pmcg_plat_info[] __initdata = { + /* HiSilicon Hip08 Platform */ + {"HISI ", "HIP08 ", 0, ACPI_SIG_IORT, greater_than_or_equal, + "Erratum #162001800", IORT_SMMU_V3_PMCG_HISI_HIP08}, + { } +}; + +static int __init arm_smmu_v3_pmcg_add_platdata(struct platform_device *pdev) +{ + u32 model; + int idx; + + idx = acpi_match_platform_list(pmcg_plat_info); + if (idx >= 0) + model = pmcg_plat_info[idx].data; + else + model = IORT_SMMU_V3_PMCG_GENERIC; + + return platform_device_add_data(pdev, &model, sizeof(model)); } struct iort_dev_config { const char *name; int (*dev_init)(struct acpi_iort_node *node); - bool (*dev_is_coherent)(struct acpi_iort_node *node); + void (*dev_dma_configure)(struct device *dev, + struct acpi_iort_node *node); int (*dev_count_resources)(struct acpi_iort_node *node); void (*dev_init_resources)(struct resource *res, struct acpi_iort_node *node); - void (*dev_set_proximity)(struct device *dev, + int (*dev_set_proximity)(struct device *dev, struct acpi_iort_node *node); + int (*dev_add_platdata)(struct platform_device *pdev); }; static const struct iort_dev_config iort_arm_smmu_v3_cfg __initconst = { .name = "arm-smmu-v3", - .dev_is_coherent = arm_smmu_v3_is_coherent, + .dev_dma_configure = arm_smmu_v3_dma_configure, .dev_count_resources = arm_smmu_v3_count_resources, .dev_init_resources = arm_smmu_v3_init_resources, .dev_set_proximity = arm_smmu_v3_set_proximity, @@ -1332,9 +1416,16 @@ static const struct iort_dev_config iort_arm_smmu_v3_cfg __initconst = { static const struct iort_dev_config iort_arm_smmu_cfg __initconst = { .name = "arm-smmu", - .dev_is_coherent = arm_smmu_is_coherent, + .dev_dma_configure = arm_smmu_dma_configure, .dev_count_resources = arm_smmu_count_resources, - .dev_init_resources = arm_smmu_init_resources + .dev_init_resources = arm_smmu_init_resources, +}; + +static const struct iort_dev_config iort_arm_smmu_v3_pmcg_cfg __initconst = { + .name = "arm-smmu-v3-pmcg", + .dev_count_resources = arm_smmu_v3_pmcg_count_resources, + .dev_init_resources = arm_smmu_v3_pmcg_init_resources, + .dev_add_platdata = arm_smmu_v3_pmcg_add_platdata, }; static __init const struct iort_dev_config *iort_get_dev_cfg( @@ -1345,6 +1436,8 @@ static __init const struct iort_dev_config *iort_get_dev_cfg( return &iort_arm_smmu_v3_cfg; case ACPI_IORT_NODE_SMMU: return &iort_arm_smmu_cfg; + case ACPI_IORT_NODE_PMCG: + return &iort_arm_smmu_v3_pmcg_cfg; default: return NULL; } @@ -1362,15 +1455,17 @@ static int __init iort_add_platform_device(struct acpi_iort_node *node, struct fwnode_handle *fwnode; struct platform_device *pdev; struct resource *r; - enum dev_dma_attr attr; int ret, count; pdev = platform_device_alloc(ops->name, PLATFORM_DEVID_AUTO); if (!pdev) return -ENOMEM; - if (ops->dev_set_proximity) - ops->dev_set_proximity(&pdev->dev, node); + if (ops->dev_set_proximity) { + ret = ops->dev_set_proximity(&pdev->dev, node); + if (ret) + goto dev_put; + } count = ops->dev_count_resources(node); @@ -1393,19 +1488,19 @@ static int __init iort_add_platform_device(struct acpi_iort_node *node, goto dev_put; /* - * Add a copy of IORT node pointer to platform_data to - * be used to retrieve IORT data information. + * Platform devices based on PMCG nodes uses platform_data to + * pass the hardware model info to the driver. For others, add + * a copy of IORT node pointer to platform_data to be used to + * retrieve IORT data information. */ - ret = platform_device_add_data(pdev, &node, sizeof(node)); + if (ops->dev_add_platdata) + ret = ops->dev_add_platdata(pdev); + else + ret = platform_device_add_data(pdev, &node, sizeof(node)); + if (ret) goto dev_put; - /* - * We expect the dma masks to be equivalent for - * all SMMUs set-ups - */ - pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask; - fwnode = iort_get_fwnode(node); if (!fwnode) { @@ -1415,11 +1510,8 @@ static int __init iort_add_platform_device(struct acpi_iort_node *node, pdev->dev.fwnode = fwnode; - attr = ops->dev_is_coherent && ops->dev_is_coherent(node) ? - DEV_DMA_COHERENT : DEV_DMA_NON_COHERENT; - - /* Configure DMA for the page table walker */ - acpi_dma_configure(&pdev->dev, attr); + if (ops->dev_dma_configure) + ops->dev_dma_configure(&pdev->dev, node); iort_set_device_domain(&pdev->dev, node); diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 147f6c7ea59c..eec263c9019e 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -799,10 +799,24 @@ const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, } EXPORT_SYMBOL_GPL(acpi_match_device); +static const void *acpi_of_device_get_match_data(const struct device *dev) +{ + struct acpi_device *adev = ACPI_COMPANION(dev); + const struct of_device_id *match = NULL; + + if (!acpi_of_match_device(adev, dev->driver->of_match_table, &match)) + return NULL; + + return match->data; +} + const void *acpi_device_get_match_data(const struct device *dev) { const struct acpi_device_id *match; + if (!dev->driver->acpi_match_table) + return acpi_of_device_get_match_data(dev); + match = acpi_match_device(dev->driver->acpi_match_table, dev); if (!match) return NULL; @@ -1029,9 +1043,6 @@ void __init acpi_early_init(void) acpi_permanent_mmap = true; - /* Initialize debug output. Linux does not use ACPICA defaults */ - acpi_dbg_level = ACPI_LV_INFO | ACPI_LV_REPAIR; - #ifdef CONFIG_X86 /* * If the machine falls into the DMI check table, diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index a19ff3977ac4..623998a8d722 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -456,8 +456,11 @@ static int acpi_button_resume(struct device *dev) struct acpi_button *button = acpi_driver_data(device); button->suspended = false; - if (button->type == ACPI_BUTTON_TYPE_LID && button->input->users) + if (button->type == ACPI_BUTTON_TYPE_LID && button->input->users) { + button->last_state = !!acpi_lid_evaluate_state(device); + button->last_time = ktime_get(); acpi_lid_initialize_state(device); + } return 0; } #endif diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c index 217a782c3e55..653642a4cbdd 100644 --- a/drivers/acpi/cppc_acpi.c +++ b/drivers/acpi/cppc_acpi.c @@ -81,9 +81,9 @@ struct cppc_pcc_data { int refcount; }; -/* Array to represent the PCC channel per subspace id */ +/* Array to represent the PCC channel per subspace ID */ static struct cppc_pcc_data *pcc_data[MAX_PCC_SUBSPACES]; -/* The cpu_pcc_subspace_idx containsper CPU subspace id */ +/* The cpu_pcc_subspace_idx contains per CPU subspace ID */ static DEFINE_PER_CPU(int, cpu_pcc_subspace_idx); /* @@ -436,7 +436,7 @@ int acpi_get_psd_map(struct cppc_cpudata **all_cpu_data) return -ENOMEM; /* - * Now that we have _PSD data from all CPUs, lets setup P-state + * Now that we have _PSD data from all CPUs, let's setup P-state * domain info. */ for_each_possible_cpu(i) { @@ -588,7 +588,7 @@ static int register_pcc_channel(int pcc_ss_idx) return -ENOMEM; } - /* Set flag so that we dont come here for each CPU. */ + /* Set flag so that we don't come here for each CPU. */ pcc_data[pcc_ss_idx]->pcc_channel_acquired = true; } @@ -613,7 +613,7 @@ bool __weak cpc_ffh_supported(void) * * Check and allocate the cppc_pcc_data memory. * In some processor configurations it is possible that same subspace - * is shared between multiple CPU's. This is seen especially in CPU's + * is shared between multiple CPUs. This is seen especially in CPUs * with hardware multi-threading support. * * Return: 0 for success, errno for failure @@ -711,7 +711,7 @@ static bool is_cppc_supported(int revision, int num_ent) /** * acpi_cppc_processor_probe - Search for per CPU _CPC objects. - * @pr: Ptr to acpi_processor containing this CPUs logical Id. + * @pr: Ptr to acpi_processor containing this CPU's logical ID. * * Return: 0 for success or negative value for err. */ @@ -728,7 +728,7 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr) acpi_status status; int ret = -EFAULT; - /* Parse the ACPI _CPC table for this cpu. */ + /* Parse the ACPI _CPC table for this CPU. */ status = acpi_evaluate_object_typed(handle, "_CPC", NULL, &output, ACPI_TYPE_PACKAGE); if (ACPI_FAILURE(status)) { @@ -840,7 +840,7 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr) if (ret) goto out_free; - /* Register PCC channel once for all PCC subspace id. */ + /* Register PCC channel once for all PCC subspace ID. */ if (pcc_subspace_id >= 0 && !pcc_data[pcc_subspace_id]->pcc_channel_acquired) { ret = register_pcc_channel(pcc_subspace_id); if (ret) @@ -860,7 +860,7 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr) goto out_free; } - /* Plug PSD data into this CPUs CPC descriptor. */ + /* Plug PSD data into this CPU's CPC descriptor. */ per_cpu(cpc_desc_ptr, pr->id) = cpc_ptr; ret = kobject_init_and_add(&cpc_ptr->kobj, &cppc_ktype, &cpu_dev->kobj, @@ -891,7 +891,7 @@ EXPORT_SYMBOL_GPL(acpi_cppc_processor_probe); /** * acpi_cppc_processor_exit - Cleanup CPC structs. - * @pr: Ptr to acpi_processor containing this CPUs logical Id. + * @pr: Ptr to acpi_processor containing this CPU's logical ID. * * Return: Void */ @@ -931,7 +931,7 @@ EXPORT_SYMBOL_GPL(acpi_cppc_processor_exit); /** * cpc_read_ffh() - Read FFH register - * @cpunum: cpu number to read + * @cpunum: CPU number to read * @reg: cppc register information * @val: place holder for return value * @@ -946,7 +946,7 @@ int __weak cpc_read_ffh(int cpunum, struct cpc_reg *reg, u64 *val) /** * cpc_write_ffh() - Write FFH register - * @cpunum: cpu number to write + * @cpunum: CPU number to write * @reg: cppc register information * @val: value to write * @@ -1051,7 +1051,49 @@ static int cpc_write(int cpu, struct cpc_register_resource *reg_res, u64 val) } /** - * cppc_get_perf_caps - Get a CPUs performance capabilities. + * cppc_get_desired_perf - Get the value of desired performance register. + * @cpunum: CPU from which to get desired performance. + * @desired_perf: address of a variable to store the returned desired performance + * + * Return: 0 for success, -EIO otherwise. + */ +int cppc_get_desired_perf(int cpunum, u64 *desired_perf) +{ + struct cpc_desc *cpc_desc = per_cpu(cpc_desc_ptr, cpunum); + int pcc_ss_id = per_cpu(cpu_pcc_subspace_idx, cpunum); + struct cpc_register_resource *desired_reg; + struct cppc_pcc_data *pcc_ss_data = NULL; + + desired_reg = &cpc_desc->cpc_regs[DESIRED_PERF]; + + if (CPC_IN_PCC(desired_reg)) { + int ret = 0; + + if (pcc_ss_id < 0) + return -EIO; + + pcc_ss_data = pcc_data[pcc_ss_id]; + + down_write(&pcc_ss_data->pcc_lock); + + if (send_pcc_cmd(pcc_ss_id, CMD_READ) >= 0) + cpc_read(cpunum, desired_reg, desired_perf); + else + ret = -EIO; + + up_write(&pcc_ss_data->pcc_lock); + + return ret; + } + + cpc_read(cpunum, desired_reg, desired_perf); + + return 0; +} +EXPORT_SYMBOL_GPL(cppc_get_desired_perf); + +/** + * cppc_get_perf_caps - Get a CPU's performance capabilities. * @cpunum: CPU from which to get capabilities info. * @perf_caps: ptr to cppc_perf_caps. See cppc_acpi.h * @@ -1108,8 +1150,13 @@ int cppc_get_perf_caps(int cpunum, struct cppc_perf_caps *perf_caps) cpc_read(cpunum, nominal_reg, &nom); perf_caps->nominal_perf = nom; - cpc_read(cpunum, guaranteed_reg, &guaranteed); - perf_caps->guaranteed_perf = guaranteed; + if (guaranteed_reg->type != ACPI_TYPE_BUFFER || + IS_NULL_REG(&guaranteed_reg->cpc_entry.reg)) { + perf_caps->guaranteed_perf = 0; + } else { + cpc_read(cpunum, guaranteed_reg, &guaranteed); + perf_caps->guaranteed_perf = guaranteed; + } cpc_read(cpunum, lowest_non_linear_reg, &min_nonlinear); perf_caps->lowest_nonlinear_perf = min_nonlinear; @@ -1136,7 +1183,7 @@ out_err: EXPORT_SYMBOL_GPL(cppc_get_perf_caps); /** - * cppc_get_perf_ctrs - Read a CPUs performance feedback counters. + * cppc_get_perf_ctrs - Read a CPU's performance feedback counters. * @cpunum: CPU from which to read counters. * @perf_fb_ctrs: ptr to cppc_perf_fb_ctrs. See cppc_acpi.h * @@ -1163,7 +1210,7 @@ int cppc_get_perf_ctrs(int cpunum, struct cppc_perf_fb_ctrs *perf_fb_ctrs) ctr_wrap_reg = &cpc_desc->cpc_regs[CTR_WRAP_TIME]; /* - * If refernce perf register is not supported then we should + * If reference perf register is not supported then we should * use the nominal perf value */ if (!CPC_SUPPORTED(ref_perf_reg)) @@ -1216,7 +1263,7 @@ out_err: EXPORT_SYMBOL_GPL(cppc_get_perf_ctrs); /** - * cppc_set_perf - Set a CPUs performance controls. + * cppc_set_perf - Set a CPU's performance controls. * @cpu: CPU for which to set performance controls. * @perf_ctrls: ptr to cppc_perf_ctrls. See cppc_acpi.h * @@ -1297,7 +1344,7 @@ int cppc_set_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls) * executing the Phase-II. * 2. Some other CPU has beaten this CPU to successfully execute the * write_trylock and has already acquired the write_lock. We know for a - * fact it(other CPU acquiring the write_lock) couldn't have happened + * fact it (other CPU acquiring the write_lock) couldn't have happened * before this CPU's Phase-I as we held the read_lock. * 3. Some other CPU executing pcc CMD_READ has stolen the * down_write, in which case, send_pcc_cmd will check for pending diff --git a/drivers/acpi/custom_method.c b/drivers/acpi/custom_method.c index 4451877f83b6..aa972dc5cb7e 100644 --- a/drivers/acpi/custom_method.c +++ b/drivers/acpi/custom_method.c @@ -79,14 +79,8 @@ static const struct file_operations cm_fops = { static int __init acpi_custom_method_init(void) { - if (acpi_debugfs_dir == NULL) - return -ENOENT; - cm_dentry = debugfs_create_file("custom_method", S_IWUSR, acpi_debugfs_dir, NULL, &cm_fops); - if (cm_dentry == NULL) - return -ENODEV; - return 0; } diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c index 824ae985ad93..b859d75eaf9f 100644 --- a/drivers/acpi/device_pm.c +++ b/drivers/acpi/device_pm.c @@ -414,7 +414,7 @@ static void acpi_pm_notify_handler(acpi_handle handle, u32 val, void *not_used) if (adev->wakeup.flags.notifier_present) { pm_wakeup_ws_event(adev->wakeup.ws, 0, acpi_s2idle_wakeup()); if (adev->wakeup.context.func) { - acpi_handle_debug(handle, "Running %pF for %s\n", + acpi_handle_debug(handle, "Running %pS for %s\n", adev->wakeup.context.func, dev_name(adev->wakeup.context.dev)); adev->wakeup.context.func(&adev->wakeup.context); @@ -728,6 +728,9 @@ static int __acpi_device_wakeup_enable(struct acpi_device *adev, goto out; } + acpi_handle_debug(adev->handle, "GPE%2X enabled for wakeup\n", + (unsigned int)wakeup->gpe_number); + inc: wakeup->enable_count++; diff --git a/drivers/acpi/device_sysfs.c b/drivers/acpi/device_sysfs.c index 545e91420cde..8940054d6250 100644 --- a/drivers/acpi/device_sysfs.c +++ b/drivers/acpi/device_sysfs.c @@ -202,11 +202,15 @@ static int create_of_modalias(struct acpi_device *acpi_dev, char *modalias, { struct acpi_buffer buf = { ACPI_ALLOCATE_BUFFER }; const union acpi_object *of_compatible, *obj; + acpi_status status; int len, count; int i, nval; char *c; - acpi_get_name(acpi_dev->handle, ACPI_SINGLE_NAME, &buf); + status = acpi_get_name(acpi_dev->handle, ACPI_SINGLE_NAME, &buf); + if (ACPI_FAILURE(status)) + return -ENODEV; + /* DT strings are all in lower case */ for (c = buf.pointer; *c != '\0'; c++) *c = tolower(*c); diff --git a/drivers/acpi/dptf/Makefile b/drivers/acpi/dptf/Makefile index 06ea8809583d..e6032e47e83f 100644 --- a/drivers/acpi/dptf/Makefile +++ b/drivers/acpi/dptf/Makefile @@ -1,4 +1,2 @@ obj-$(CONFIG_ACPI) += int340x_thermal.o obj-$(CONFIG_DPTF_POWER) += dptf_power.o - -ccflags-y += -Idrivers/acpi diff --git a/drivers/acpi/dptf/dptf_power.c b/drivers/acpi/dptf/dptf_power.c index e1c242568341..0c081390930a 100644 --- a/drivers/acpi/dptf/dptf_power.c +++ b/drivers/acpi/dptf/dptf_power.c @@ -31,8 +31,7 @@ static ssize_t name##_show(struct device *dev,\ struct device_attribute *attr,\ char *buf)\ {\ - struct platform_device *pdev = to_platform_device(dev);\ - struct acpi_device *acpi_dev = platform_get_drvdata(pdev);\ + struct acpi_device *acpi_dev = dev_get_drvdata(dev);\ unsigned long long val;\ acpi_status status;\ \ diff --git a/drivers/acpi/dptf/int340x_thermal.c b/drivers/acpi/dptf/int340x_thermal.c index 86364097e236..0aa7c2e62e95 100644 --- a/drivers/acpi/dptf/int340x_thermal.c +++ b/drivers/acpi/dptf/int340x_thermal.c @@ -12,7 +12,7 @@ #include <linux/acpi.h> #include <linux/module.h> -#include "internal.h" +#include "../internal.h" #define INT3401_DEVICE 0X01 static const struct acpi_device_id int340x_thermal_device_ids[] = { diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 9d66a47d32fb..48d4815603e5 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -186,14 +186,17 @@ static void advance_transaction(struct acpi_ec *ec); static void acpi_ec_event_handler(struct work_struct *work); static void acpi_ec_event_processor(struct work_struct *work); -struct acpi_ec *boot_ec, *first_ec; +struct acpi_ec *first_ec; EXPORT_SYMBOL(first_ec); + +static struct acpi_ec *boot_ec; static bool boot_ec_is_ecdt = false; static struct workqueue_struct *ec_query_wq; static int EC_FLAGS_QUERY_HANDSHAKE; /* Needs QR_EC issued when SCI_EVT set */ static int EC_FLAGS_CORRECT_ECDT; /* Needs ECDT port address correction */ static int EC_FLAGS_IGNORE_DSDT_GPE; /* Needs ECDT GPE as correction setting */ +static int EC_FLAGS_CLEAR_ON_RESUME; /* Needs acpi_ec_clear() on boot/resume */ /* -------------------------------------------------------------------------- * Logging/Debugging @@ -499,6 +502,26 @@ static inline void __acpi_ec_disable_event(struct acpi_ec *ec) ec_log_drv("event blocked"); } +/* + * Process _Q events that might have accumulated in the EC. + * Run with locked ec mutex. + */ +static void acpi_ec_clear(struct acpi_ec *ec) +{ + int i, status; + u8 value = 0; + + for (i = 0; i < ACPI_EC_CLEAR_MAX; i++) { + status = acpi_ec_query(ec, &value); + if (status || !value) + break; + } + if (unlikely(i == ACPI_EC_CLEAR_MAX)) + pr_warn("Warning: Maximum of %d stale EC events cleared\n", i); + else + pr_info("%d stale EC events cleared\n", i); +} + static void acpi_ec_enable_event(struct acpi_ec *ec) { unsigned long flags; @@ -507,6 +530,10 @@ static void acpi_ec_enable_event(struct acpi_ec *ec) if (acpi_ec_started(ec)) __acpi_ec_enable_event(ec); spin_unlock_irqrestore(&ec->lock, flags); + + /* Drain additional events if hardware requires that */ + if (EC_FLAGS_CLEAR_ON_RESUME) + acpi_ec_clear(ec); } #ifdef CONFIG_PM_SLEEP @@ -1539,49 +1566,6 @@ static int acpi_ec_setup(struct acpi_ec *ec, bool handle_events) return ret; } -static int acpi_config_boot_ec(struct acpi_ec *ec, acpi_handle handle, - bool handle_events, bool is_ecdt) -{ - int ret; - - /* - * Changing the ACPI handle results in a re-configuration of the - * boot EC. And if it happens after the namespace initialization, - * it causes _REG evaluations. - */ - if (boot_ec && boot_ec->handle != handle) - ec_remove_handlers(boot_ec); - - /* Unset old boot EC */ - if (boot_ec != ec) - acpi_ec_free(boot_ec); - - /* - * ECDT device creation is split into acpi_ec_ecdt_probe() and - * acpi_ec_ecdt_start(). This function takes care of completing the - * ECDT parsing logic as the handle update should be performed - * between the installation/uninstallation of the handlers. - */ - if (ec->handle != handle) - ec->handle = handle; - - ret = acpi_ec_setup(ec, handle_events); - if (ret) - return ret; - - /* Set new boot EC */ - if (!boot_ec) { - boot_ec = ec; - boot_ec_is_ecdt = is_ecdt; - } - - acpi_handle_info(boot_ec->handle, - "Used as boot %s EC to handle transactions%s\n", - is_ecdt ? "ECDT" : "DSDT", - handle_events ? " and events" : ""); - return ret; -} - static bool acpi_ec_ecdt_get_handle(acpi_handle *phandle) { struct acpi_table_ecdt *ecdt_ptr; @@ -1601,43 +1585,34 @@ static bool acpi_ec_ecdt_get_handle(acpi_handle *phandle) return true; } -static bool acpi_is_boot_ec(struct acpi_ec *ec) -{ - if (!boot_ec) - return false; - if (ec->command_addr == boot_ec->command_addr && - ec->data_addr == boot_ec->data_addr) - return true; - return false; -} - static int acpi_ec_add(struct acpi_device *device) { struct acpi_ec *ec = NULL; - int ret; - bool is_ecdt = false; + bool dep_update = true; acpi_status status; + int ret; strcpy(acpi_device_name(device), ACPI_EC_DEVICE_NAME); strcpy(acpi_device_class(device), ACPI_EC_CLASS); if (!strcmp(acpi_device_hid(device), ACPI_ECDT_HID)) { - is_ecdt = true; + boot_ec_is_ecdt = true; ec = boot_ec; + dep_update = false; } else { ec = acpi_ec_alloc(); if (!ec) return -ENOMEM; + status = ec_parse_device(device->handle, 0, ec, NULL); if (status != AE_CTRL_TERMINATE) { ret = -EINVAL; goto err_alloc; } - } - if (acpi_is_boot_ec(ec)) { - boot_ec_is_ecdt = is_ecdt; - if (!is_ecdt) { + if (boot_ec && ec->command_addr == boot_ec->command_addr && + ec->data_addr == boot_ec->data_addr) { + boot_ec_is_ecdt = false; /* * Trust PNP0C09 namespace location rather than * ECDT ID. But trust ECDT GPE rather than _GPE @@ -1649,12 +1624,17 @@ static int acpi_ec_add(struct acpi_device *device) acpi_ec_free(ec); ec = boot_ec; } - ret = acpi_config_boot_ec(ec, ec->handle, true, is_ecdt); - } else - ret = acpi_ec_setup(ec, true); + } + + ret = acpi_ec_setup(ec, true); if (ret) goto err_query; + if (ec == boot_ec) + acpi_handle_info(boot_ec->handle, + "Boot %s EC used to handle transactions and events\n", + boot_ec_is_ecdt ? "ECDT" : "DSDT"); + device->driver_data = ec; ret = !!request_region(ec->data_addr, 1, "EC data"); @@ -1662,7 +1642,7 @@ static int acpi_ec_add(struct acpi_device *device) ret = !!request_region(ec->command_addr, 1, "EC cmd"); WARN(!ret, "Could not request EC cmd io port 0x%lx", ec->command_addr); - if (!is_ecdt) { + if (dep_update) { /* Reprobe devices depending on the EC */ acpi_walk_dep_device_list(ec->handle); } @@ -1730,10 +1710,10 @@ static const struct acpi_device_id ec_device_ids[] = { * namespace EC before the main ACPI device enumeration process. It is * retained for historical reason and will be deprecated in the future. */ -int __init acpi_ec_dsdt_probe(void) +void __init acpi_ec_dsdt_probe(void) { - acpi_status status; struct acpi_ec *ec; + acpi_status status; int ret; /* @@ -1743,21 +1723,22 @@ int __init acpi_ec_dsdt_probe(void) * picking up an invalid EC device. */ if (boot_ec) - return -ENODEV; + return; ec = acpi_ec_alloc(); if (!ec) - return -ENOMEM; + return; + /* * At this point, the namespace is initialized, so start to find * the namespace objects. */ - status = acpi_get_devices(ec_device_ids[0].id, - ec_parse_device, ec, NULL); + status = acpi_get_devices(ec_device_ids[0].id, ec_parse_device, ec, NULL); if (ACPI_FAILURE(status) || !ec->handle) { - ret = -ENODEV; - goto error; + acpi_ec_free(ec); + return; } + /* * When the DSDT EC is available, always re-configure boot EC to * have _REG evaluated. _REG can only be evaluated after the @@ -1765,11 +1746,16 @@ int __init acpi_ec_dsdt_probe(void) * At this point, the GPE is not fully initialized, so do not to * handle the events. */ - ret = acpi_config_boot_ec(ec, ec->handle, false, false); -error: - if (ret) + ret = acpi_ec_setup(ec, false); + if (ret) { acpi_ec_free(ec); - return ret; + return; + } + + boot_ec = ec; + + acpi_handle_info(ec->handle, + "Boot DSDT EC used to handle transactions\n"); } /* @@ -1821,6 +1807,31 @@ static int ec_flag_query_handshake(const struct dmi_system_id *id) #endif /* + * On some hardware it is necessary to clear events accumulated by the EC during + * sleep. These ECs stop reporting GPEs until they are manually polled, if too + * many events are accumulated. (e.g. Samsung Series 5/9 notebooks) + * + * https://bugzilla.kernel.org/show_bug.cgi?id=44161 + * + * Ideally, the EC should also be instructed NOT to accumulate events during + * sleep (which Windows seems to do somehow), but the interface to control this + * behaviour is not known at this time. + * + * Models known to be affected are Samsung 530Uxx/535Uxx/540Uxx/550Pxx/900Xxx, + * however it is very likely that other Samsung models are affected. + * + * On systems which don't accumulate _Q events during sleep, this extra check + * should be harmless. + */ +static int ec_clear_on_resume(const struct dmi_system_id *id) +{ + pr_debug("Detected system needing EC poll on resume.\n"); + EC_FLAGS_CLEAR_ON_RESUME = 1; + ec_event_clearing = ACPI_EC_EVT_TIMING_STATUS; + return 0; +} + +/* * Some ECDTs contain wrong register addresses. * MSI MS-171F * https://bugzilla.kernel.org/show_bug.cgi?id=12461 @@ -1869,39 +1880,38 @@ static const struct dmi_system_id ec_dmi_table[] __initconst = { ec_honor_ecdt_gpe, "ASUS X580VD", { DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), DMI_MATCH(DMI_PRODUCT_NAME, "X580VD"),}, NULL}, + { + ec_clear_on_resume, "Samsung hardware", { + DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD.")}, NULL}, {}, }; -int __init acpi_ec_ecdt_probe(void) +void __init acpi_ec_ecdt_probe(void) { - int ret; - acpi_status status; struct acpi_table_ecdt *ecdt_ptr; struct acpi_ec *ec; + acpi_status status; + int ret; - ec = acpi_ec_alloc(); - if (!ec) - return -ENOMEM; - /* - * Generate a boot ec context - */ + /* Generate a boot ec context. */ dmi_check_system(ec_dmi_table); status = acpi_get_table(ACPI_SIG_ECDT, 1, (struct acpi_table_header **)&ecdt_ptr); - if (ACPI_FAILURE(status)) { - ret = -ENODEV; - goto error; - } + if (ACPI_FAILURE(status)) + return; if (!ecdt_ptr->control.address || !ecdt_ptr->data.address) { /* * Asus X50GL: * https://bugzilla.kernel.org/show_bug.cgi?id=11880 */ - ret = -ENODEV; - goto error; + return; } + ec = acpi_ec_alloc(); + if (!ec) + return; + if (EC_FLAGS_CORRECT_ECDT) { ec->command_addr = ecdt_ptr->data.address; ec->data_addr = ecdt_ptr->control.address; @@ -1910,16 +1920,22 @@ int __init acpi_ec_ecdt_probe(void) ec->data_addr = ecdt_ptr->data.address; } ec->gpe = ecdt_ptr->gpe; + ec->handle = ACPI_ROOT_OBJECT; /* * At this point, the namespace is not initialized, so do not find * the namespace objects, or handle the events. */ - ret = acpi_config_boot_ec(ec, ACPI_ROOT_OBJECT, false, true); -error: - if (ret) + ret = acpi_ec_setup(ec, false); + if (ret) { acpi_ec_free(ec); - return ret; + return; + } + + boot_ec = ec; + boot_ec_is_ecdt = true; + + pr_info("Boot ECDT EC used to handle transactions\n"); } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/acpi/ec_sys.c b/drivers/acpi/ec_sys.c index dd70d6c2bca0..23faa66ea772 100644 --- a/drivers/acpi/ec_sys.c +++ b/drivers/acpi/ec_sys.c @@ -108,52 +108,32 @@ static const struct file_operations acpi_ec_io_ops = { .llseek = default_llseek, }; -static int acpi_ec_add_debugfs(struct acpi_ec *ec, unsigned int ec_device_count) +static void acpi_ec_add_debugfs(struct acpi_ec *ec, unsigned int ec_device_count) { struct dentry *dev_dir; char name[64]; umode_t mode = 0400; - if (ec_device_count == 0) { + if (ec_device_count == 0) acpi_ec_debugfs_dir = debugfs_create_dir("ec", NULL); - if (!acpi_ec_debugfs_dir) - return -ENOMEM; - } sprintf(name, "ec%u", ec_device_count); dev_dir = debugfs_create_dir(name, acpi_ec_debugfs_dir); - if (!dev_dir) { - if (ec_device_count != 0) - goto error; - return -ENOMEM; - } - if (!debugfs_create_x32("gpe", 0444, dev_dir, &first_ec->gpe)) - goto error; - if (!debugfs_create_bool("use_global_lock", 0444, dev_dir, - &first_ec->global_lock)) - goto error; + debugfs_create_x32("gpe", 0444, dev_dir, &first_ec->gpe); + debugfs_create_bool("use_global_lock", 0444, dev_dir, + &first_ec->global_lock); if (write_support) mode = 0600; - if (!debugfs_create_file("io", mode, dev_dir, ec, &acpi_ec_io_ops)) - goto error; - - return 0; - -error: - debugfs_remove_recursive(acpi_ec_debugfs_dir); - return -ENOMEM; + debugfs_create_file("io", mode, dev_dir, ec, &acpi_ec_io_ops); } static int __init acpi_ec_sys_init(void) { - int err = 0; if (first_ec) - err = acpi_ec_add_debugfs(first_ec, 0); - else - err = -ENODEV; - return err; + acpi_ec_add_debugfs(first_ec, 0); + return 0; } static void __exit acpi_ec_sys_exit(void) diff --git a/drivers/acpi/event.c b/drivers/acpi/event.c index 5a127f3f2d5c..47f21599f2ab 100644 --- a/drivers/acpi/event.c +++ b/drivers/acpi/event.c @@ -131,8 +131,8 @@ int acpi_bus_generate_netlink_event(const char *device_class, event = nla_data(attr); memset(event, 0, sizeof(struct acpi_genl_event)); - strcpy(event->device_class, device_class); - strcpy(event->bus_id, bus_id); + strscpy(event->device_class, device_class, sizeof(event->device_class)); + strscpy(event->bus_id, bus_id, sizeof(event->bus_id)); event->type = type; event->data = data; diff --git a/drivers/acpi/hmat/Kconfig b/drivers/acpi/hmat/Kconfig new file mode 100644 index 000000000000..95a29964dbea --- /dev/null +++ b/drivers/acpi/hmat/Kconfig @@ -0,0 +1,11 @@ +# SPDX-License-Identifier: GPL-2.0 +config ACPI_HMAT + bool "ACPI Heterogeneous Memory Attribute Table Support" + depends on ACPI_NUMA + select HMEM_REPORTING + help + If set, this option has the kernel parse and report the + platform's ACPI HMAT (Heterogeneous Memory Attributes Table), + register memory initiators with their targets, and export + performance attributes through the node's sysfs device if + provided. diff --git a/drivers/acpi/hmat/Makefile b/drivers/acpi/hmat/Makefile new file mode 100644 index 000000000000..e909051d3d00 --- /dev/null +++ b/drivers/acpi/hmat/Makefile @@ -0,0 +1 @@ +obj-$(CONFIG_ACPI_HMAT) := hmat.o diff --git a/drivers/acpi/hmat/hmat.c b/drivers/acpi/hmat/hmat.c new file mode 100644 index 000000000000..96b7d39a97c6 --- /dev/null +++ b/drivers/acpi/hmat/hmat.c @@ -0,0 +1,666 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2019, Intel Corporation. + * + * Heterogeneous Memory Attributes Table (HMAT) representation + * + * This program parses and reports the platform's HMAT tables, and registers + * the applicable attributes with the node's interfaces. + */ + +#include <linux/acpi.h> +#include <linux/bitops.h> +#include <linux/device.h> +#include <linux/init.h> +#include <linux/list.h> +#include <linux/list_sort.h> +#include <linux/node.h> +#include <linux/sysfs.h> + +static __initdata u8 hmat_revision; + +static __initdata LIST_HEAD(targets); +static __initdata LIST_HEAD(initiators); +static __initdata LIST_HEAD(localities); + +/* + * The defined enum order is used to prioritize attributes to break ties when + * selecting the best performing node. + */ +enum locality_types { + WRITE_LATENCY, + READ_LATENCY, + WRITE_BANDWIDTH, + READ_BANDWIDTH, +}; + +static struct memory_locality *localities_types[4]; + +struct memory_target { + struct list_head node; + unsigned int memory_pxm; + unsigned int processor_pxm; + struct node_hmem_attrs hmem_attrs; +}; + +struct memory_initiator { + struct list_head node; + unsigned int processor_pxm; +}; + +struct memory_locality { + struct list_head node; + struct acpi_hmat_locality *hmat_loc; +}; + +static __init struct memory_initiator *find_mem_initiator(unsigned int cpu_pxm) +{ + struct memory_initiator *initiator; + + list_for_each_entry(initiator, &initiators, node) + if (initiator->processor_pxm == cpu_pxm) + return initiator; + return NULL; +} + +static __init struct memory_target *find_mem_target(unsigned int mem_pxm) +{ + struct memory_target *target; + + list_for_each_entry(target, &targets, node) + if (target->memory_pxm == mem_pxm) + return target; + return NULL; +} + +static __init void alloc_memory_initiator(unsigned int cpu_pxm) +{ + struct memory_initiator *initiator; + + if (pxm_to_node(cpu_pxm) == NUMA_NO_NODE) + return; + + initiator = find_mem_initiator(cpu_pxm); + if (initiator) + return; + + initiator = kzalloc(sizeof(*initiator), GFP_KERNEL); + if (!initiator) + return; + + initiator->processor_pxm = cpu_pxm; + list_add_tail(&initiator->node, &initiators); +} + +static __init void alloc_memory_target(unsigned int mem_pxm) +{ + struct memory_target *target; + + if (pxm_to_node(mem_pxm) == NUMA_NO_NODE) + return; + + target = find_mem_target(mem_pxm); + if (target) + return; + + target = kzalloc(sizeof(*target), GFP_KERNEL); + if (!target) + return; + + target->memory_pxm = mem_pxm; + target->processor_pxm = PXM_INVAL; + list_add_tail(&target->node, &targets); +} + +static __init const char *hmat_data_type(u8 type) +{ + switch (type) { + case ACPI_HMAT_ACCESS_LATENCY: + return "Access Latency"; + case ACPI_HMAT_READ_LATENCY: + return "Read Latency"; + case ACPI_HMAT_WRITE_LATENCY: + return "Write Latency"; + case ACPI_HMAT_ACCESS_BANDWIDTH: + return "Access Bandwidth"; + case ACPI_HMAT_READ_BANDWIDTH: + return "Read Bandwidth"; + case ACPI_HMAT_WRITE_BANDWIDTH: + return "Write Bandwidth"; + default: + return "Reserved"; + } +} + +static __init const char *hmat_data_type_suffix(u8 type) +{ + switch (type) { + case ACPI_HMAT_ACCESS_LATENCY: + case ACPI_HMAT_READ_LATENCY: + case ACPI_HMAT_WRITE_LATENCY: + return " nsec"; + case ACPI_HMAT_ACCESS_BANDWIDTH: + case ACPI_HMAT_READ_BANDWIDTH: + case ACPI_HMAT_WRITE_BANDWIDTH: + return " MB/s"; + default: + return ""; + } +} + +static __init u32 hmat_normalize(u16 entry, u64 base, u8 type) +{ + u32 value; + + /* + * Check for invalid and overflow values + */ + if (entry == 0xffff || !entry) + return 0; + else if (base > (UINT_MAX / (entry))) + return 0; + + /* + * Divide by the base unit for version 1, convert latency from + * picosenonds to nanoseconds if revision 2. + */ + value = entry * base; + if (hmat_revision == 1) { + if (value < 10) + return 0; + value = DIV_ROUND_UP(value, 10); + } else if (hmat_revision == 2) { + switch (type) { + case ACPI_HMAT_ACCESS_LATENCY: + case ACPI_HMAT_READ_LATENCY: + case ACPI_HMAT_WRITE_LATENCY: + value = DIV_ROUND_UP(value, 1000); + break; + default: + break; + } + } + return value; +} + +static __init void hmat_update_target_access(struct memory_target *target, + u8 type, u32 value) +{ + switch (type) { + case ACPI_HMAT_ACCESS_LATENCY: + target->hmem_attrs.read_latency = value; + target->hmem_attrs.write_latency = value; + break; + case ACPI_HMAT_READ_LATENCY: + target->hmem_attrs.read_latency = value; + break; + case ACPI_HMAT_WRITE_LATENCY: + target->hmem_attrs.write_latency = value; + break; + case ACPI_HMAT_ACCESS_BANDWIDTH: + target->hmem_attrs.read_bandwidth = value; + target->hmem_attrs.write_bandwidth = value; + break; + case ACPI_HMAT_READ_BANDWIDTH: + target->hmem_attrs.read_bandwidth = value; + break; + case ACPI_HMAT_WRITE_BANDWIDTH: + target->hmem_attrs.write_bandwidth = value; + break; + default: + break; + } +} + +static __init void hmat_add_locality(struct acpi_hmat_locality *hmat_loc) +{ + struct memory_locality *loc; + + loc = kzalloc(sizeof(*loc), GFP_KERNEL); + if (!loc) { + pr_notice_once("Failed to allocate HMAT locality\n"); + return; + } + + loc->hmat_loc = hmat_loc; + list_add_tail(&loc->node, &localities); + + switch (hmat_loc->data_type) { + case ACPI_HMAT_ACCESS_LATENCY: + localities_types[READ_LATENCY] = loc; + localities_types[WRITE_LATENCY] = loc; + break; + case ACPI_HMAT_READ_LATENCY: + localities_types[READ_LATENCY] = loc; + break; + case ACPI_HMAT_WRITE_LATENCY: + localities_types[WRITE_LATENCY] = loc; + break; + case ACPI_HMAT_ACCESS_BANDWIDTH: + localities_types[READ_BANDWIDTH] = loc; + localities_types[WRITE_BANDWIDTH] = loc; + break; + case ACPI_HMAT_READ_BANDWIDTH: + localities_types[READ_BANDWIDTH] = loc; + break; + case ACPI_HMAT_WRITE_BANDWIDTH: + localities_types[WRITE_BANDWIDTH] = loc; + break; + default: + break; + } +} + +static __init int hmat_parse_locality(union acpi_subtable_headers *header, + const unsigned long end) +{ + struct acpi_hmat_locality *hmat_loc = (void *)header; + struct memory_target *target; + unsigned int init, targ, total_size, ipds, tpds; + u32 *inits, *targs, value; + u16 *entries; + u8 type, mem_hier; + + if (hmat_loc->header.length < sizeof(*hmat_loc)) { + pr_notice("HMAT: Unexpected locality header length: %d\n", + hmat_loc->header.length); + return -EINVAL; + } + + type = hmat_loc->data_type; + mem_hier = hmat_loc->flags & ACPI_HMAT_MEMORY_HIERARCHY; + ipds = hmat_loc->number_of_initiator_Pds; + tpds = hmat_loc->number_of_target_Pds; + total_size = sizeof(*hmat_loc) + sizeof(*entries) * ipds * tpds + + sizeof(*inits) * ipds + sizeof(*targs) * tpds; + if (hmat_loc->header.length < total_size) { + pr_notice("HMAT: Unexpected locality header length:%d, minimum required:%d\n", + hmat_loc->header.length, total_size); + return -EINVAL; + } + + pr_info("HMAT: Locality: Flags:%02x Type:%s Initiator Domains:%d Target Domains:%d Base:%lld\n", + hmat_loc->flags, hmat_data_type(type), ipds, tpds, + hmat_loc->entry_base_unit); + + inits = (u32 *)(hmat_loc + 1); + targs = inits + ipds; + entries = (u16 *)(targs + tpds); + for (init = 0; init < ipds; init++) { + alloc_memory_initiator(inits[init]); + for (targ = 0; targ < tpds; targ++) { + value = hmat_normalize(entries[init * tpds + targ], + hmat_loc->entry_base_unit, + type); + pr_info(" Initiator-Target[%d-%d]:%d%s\n", + inits[init], targs[targ], value, + hmat_data_type_suffix(type)); + + if (mem_hier == ACPI_HMAT_MEMORY) { + target = find_mem_target(targs[targ]); + if (target && target->processor_pxm == inits[init]) + hmat_update_target_access(target, type, value); + } + } + } + + if (mem_hier == ACPI_HMAT_MEMORY) + hmat_add_locality(hmat_loc); + + return 0; +} + +static __init int hmat_parse_cache(union acpi_subtable_headers *header, + const unsigned long end) +{ + struct acpi_hmat_cache *cache = (void *)header; + struct node_cache_attrs cache_attrs; + u32 attrs; + + if (cache->header.length < sizeof(*cache)) { + pr_notice("HMAT: Unexpected cache header length: %d\n", + cache->header.length); + return -EINVAL; + } + + attrs = cache->cache_attributes; + pr_info("HMAT: Cache: Domain:%d Size:%llu Attrs:%08x SMBIOS Handles:%d\n", + cache->memory_PD, cache->cache_size, attrs, + cache->number_of_SMBIOShandles); + + cache_attrs.size = cache->cache_size; + cache_attrs.level = (attrs & ACPI_HMAT_CACHE_LEVEL) >> 4; + cache_attrs.line_size = (attrs & ACPI_HMAT_CACHE_LINE_SIZE) >> 16; + + switch ((attrs & ACPI_HMAT_CACHE_ASSOCIATIVITY) >> 8) { + case ACPI_HMAT_CA_DIRECT_MAPPED: + cache_attrs.indexing = NODE_CACHE_DIRECT_MAP; + break; + case ACPI_HMAT_CA_COMPLEX_CACHE_INDEXING: + cache_attrs.indexing = NODE_CACHE_INDEXED; + break; + case ACPI_HMAT_CA_NONE: + default: + cache_attrs.indexing = NODE_CACHE_OTHER; + break; + } + + switch ((attrs & ACPI_HMAT_WRITE_POLICY) >> 12) { + case ACPI_HMAT_CP_WB: + cache_attrs.write_policy = NODE_CACHE_WRITE_BACK; + break; + case ACPI_HMAT_CP_WT: + cache_attrs.write_policy = NODE_CACHE_WRITE_THROUGH; + break; + case ACPI_HMAT_CP_NONE: + default: + cache_attrs.write_policy = NODE_CACHE_WRITE_OTHER; + break; + } + + node_add_cache(pxm_to_node(cache->memory_PD), &cache_attrs); + return 0; +} + +static int __init hmat_parse_proximity_domain(union acpi_subtable_headers *header, + const unsigned long end) +{ + struct acpi_hmat_proximity_domain *p = (void *)header; + struct memory_target *target = NULL; + + if (p->header.length != sizeof(*p)) { + pr_notice("HMAT: Unexpected address range header length: %d\n", + p->header.length); + return -EINVAL; + } + + if (hmat_revision == 1) + pr_info("HMAT: Memory (%#llx length %#llx) Flags:%04x Processor Domain:%d Memory Domain:%d\n", + p->reserved3, p->reserved4, p->flags, p->processor_PD, + p->memory_PD); + else + pr_info("HMAT: Memory Flags:%04x Processor Domain:%d Memory Domain:%d\n", + p->flags, p->processor_PD, p->memory_PD); + + if (p->flags & ACPI_HMAT_MEMORY_PD_VALID) { + target = find_mem_target(p->memory_PD); + if (!target) { + pr_debug("HMAT: Memory Domain missing from SRAT\n"); + return -EINVAL; + } + } + if (target && p->flags & ACPI_HMAT_PROCESSOR_PD_VALID) { + int p_node = pxm_to_node(p->processor_PD); + + if (p_node == NUMA_NO_NODE) { + pr_debug("HMAT: Invalid Processor Domain\n"); + return -EINVAL; + } + target->processor_pxm = p_node; + } + + return 0; +} + +static int __init hmat_parse_subtable(union acpi_subtable_headers *header, + const unsigned long end) +{ + struct acpi_hmat_structure *hdr = (void *)header; + + if (!hdr) + return -EINVAL; + + switch (hdr->type) { + case ACPI_HMAT_TYPE_PROXIMITY: + return hmat_parse_proximity_domain(header, end); + case ACPI_HMAT_TYPE_LOCALITY: + return hmat_parse_locality(header, end); + case ACPI_HMAT_TYPE_CACHE: + return hmat_parse_cache(header, end); + default: + return -EINVAL; + } +} + +static __init int srat_parse_mem_affinity(union acpi_subtable_headers *header, + const unsigned long end) +{ + struct acpi_srat_mem_affinity *ma = (void *)header; + + if (!ma) + return -EINVAL; + if (!(ma->flags & ACPI_SRAT_MEM_ENABLED)) + return 0; + alloc_memory_target(ma->proximity_domain); + return 0; +} + +static __init u32 hmat_initiator_perf(struct memory_target *target, + struct memory_initiator *initiator, + struct acpi_hmat_locality *hmat_loc) +{ + unsigned int ipds, tpds, i, idx = 0, tdx = 0; + u32 *inits, *targs; + u16 *entries; + + ipds = hmat_loc->number_of_initiator_Pds; + tpds = hmat_loc->number_of_target_Pds; + inits = (u32 *)(hmat_loc + 1); + targs = inits + ipds; + entries = (u16 *)(targs + tpds); + + for (i = 0; i < ipds; i++) { + if (inits[i] == initiator->processor_pxm) { + idx = i; + break; + } + } + + if (i == ipds) + return 0; + + for (i = 0; i < tpds; i++) { + if (targs[i] == target->memory_pxm) { + tdx = i; + break; + } + } + if (i == tpds) + return 0; + + return hmat_normalize(entries[idx * tpds + tdx], + hmat_loc->entry_base_unit, + hmat_loc->data_type); +} + +static __init bool hmat_update_best(u8 type, u32 value, u32 *best) +{ + bool updated = false; + + if (!value) + return false; + + switch (type) { + case ACPI_HMAT_ACCESS_LATENCY: + case ACPI_HMAT_READ_LATENCY: + case ACPI_HMAT_WRITE_LATENCY: + if (!*best || *best > value) { + *best = value; + updated = true; + } + break; + case ACPI_HMAT_ACCESS_BANDWIDTH: + case ACPI_HMAT_READ_BANDWIDTH: + case ACPI_HMAT_WRITE_BANDWIDTH: + if (!*best || *best < value) { + *best = value; + updated = true; + } + break; + } + + return updated; +} + +static int initiator_cmp(void *priv, struct list_head *a, struct list_head *b) +{ + struct memory_initiator *ia; + struct memory_initiator *ib; + unsigned long *p_nodes = priv; + + ia = list_entry(a, struct memory_initiator, node); + ib = list_entry(b, struct memory_initiator, node); + + set_bit(ia->processor_pxm, p_nodes); + set_bit(ib->processor_pxm, p_nodes); + + return ia->processor_pxm - ib->processor_pxm; +} + +static __init void hmat_register_target_initiators(struct memory_target *target) +{ + static DECLARE_BITMAP(p_nodes, MAX_NUMNODES); + struct memory_initiator *initiator; + unsigned int mem_nid, cpu_nid; + struct memory_locality *loc = NULL; + u32 best = 0; + int i; + + mem_nid = pxm_to_node(target->memory_pxm); + /* + * If the Address Range Structure provides a local processor pxm, link + * only that one. Otherwise, find the best performance attributes and + * register all initiators that match. + */ + if (target->processor_pxm != PXM_INVAL) { + cpu_nid = pxm_to_node(target->processor_pxm); + register_memory_node_under_compute_node(mem_nid, cpu_nid, 0); + return; + } + + if (list_empty(&localities)) + return; + + /* + * We need the initiator list sorted so we can use bitmap_clear for + * previously set initiators when we find a better memory accessor. + * We'll also use the sorting to prime the candidate nodes with known + * initiators. + */ + bitmap_zero(p_nodes, MAX_NUMNODES); + list_sort(p_nodes, &initiators, initiator_cmp); + for (i = WRITE_LATENCY; i <= READ_BANDWIDTH; i++) { + loc = localities_types[i]; + if (!loc) + continue; + + best = 0; + list_for_each_entry(initiator, &initiators, node) { + u32 value; + + if (!test_bit(initiator->processor_pxm, p_nodes)) + continue; + + value = hmat_initiator_perf(target, initiator, loc->hmat_loc); + if (hmat_update_best(loc->hmat_loc->data_type, value, &best)) + bitmap_clear(p_nodes, 0, initiator->processor_pxm); + if (value != best) + clear_bit(initiator->processor_pxm, p_nodes); + } + if (best) + hmat_update_target_access(target, loc->hmat_loc->data_type, best); + } + + for_each_set_bit(i, p_nodes, MAX_NUMNODES) { + cpu_nid = pxm_to_node(i); + register_memory_node_under_compute_node(mem_nid, cpu_nid, 0); + } +} + +static __init void hmat_register_target_perf(struct memory_target *target) +{ + unsigned mem_nid = pxm_to_node(target->memory_pxm); + node_set_perf_attrs(mem_nid, &target->hmem_attrs, 0); +} + +static __init void hmat_register_targets(void) +{ + struct memory_target *target; + + list_for_each_entry(target, &targets, node) { + hmat_register_target_initiators(target); + hmat_register_target_perf(target); + } +} + +static __init void hmat_free_structures(void) +{ + struct memory_target *target, *tnext; + struct memory_locality *loc, *lnext; + struct memory_initiator *initiator, *inext; + + list_for_each_entry_safe(target, tnext, &targets, node) { + list_del(&target->node); + kfree(target); + } + + list_for_each_entry_safe(initiator, inext, &initiators, node) { + list_del(&initiator->node); + kfree(initiator); + } + + list_for_each_entry_safe(loc, lnext, &localities, node) { + list_del(&loc->node); + kfree(loc); + } +} + +static __init int hmat_init(void) +{ + struct acpi_table_header *tbl; + enum acpi_hmat_type i; + acpi_status status; + + if (srat_disabled()) + return 0; + + status = acpi_get_table(ACPI_SIG_SRAT, 0, &tbl); + if (ACPI_FAILURE(status)) + return 0; + + if (acpi_table_parse_entries(ACPI_SIG_SRAT, + sizeof(struct acpi_table_srat), + ACPI_SRAT_TYPE_MEMORY_AFFINITY, + srat_parse_mem_affinity, 0) < 0) + goto out_put; + acpi_put_table(tbl); + + status = acpi_get_table(ACPI_SIG_HMAT, 0, &tbl); + if (ACPI_FAILURE(status)) + goto out_put; + + hmat_revision = tbl->revision; + switch (hmat_revision) { + case 1: + case 2: + break; + default: + pr_notice("Ignoring HMAT: Unknown revision:%d\n", hmat_revision); + goto out_put; + } + + for (i = ACPI_HMAT_TYPE_PROXIMITY; i < ACPI_HMAT_TYPE_RESERVED; i++) { + if (acpi_table_parse_entries(ACPI_SIG_HMAT, + sizeof(struct acpi_table_hmat), i, + hmat_parse_subtable, 0) < 0) { + pr_notice("Ignoring HMAT: Invalid table"); + goto out_put; + } + } + hmat_register_targets(); +out_put: + hmat_free_structures(); + acpi_put_table(tbl); + return 0; +} +subsys_initcall(hmat_init); diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index 6a9e1fb8913a..6eaf06db7752 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -192,8 +192,8 @@ extern struct acpi_ec *first_ec; typedef int (*acpi_ec_query_func) (void *data); int acpi_ec_init(void); -int acpi_ec_ecdt_probe(void); -int acpi_ec_dsdt_probe(void); +void acpi_ec_ecdt_probe(void); +void acpi_ec_dsdt_probe(void); void acpi_ec_block_transactions(void); void acpi_ec_unblock_transactions(void); void acpi_ec_mark_gpe_for_wake(void); diff --git a/drivers/acpi/irq.c b/drivers/acpi/irq.c index 7c352cba0528..c3b2222e2129 100644 --- a/drivers/acpi/irq.c +++ b/drivers/acpi/irq.c @@ -196,7 +196,7 @@ static acpi_status acpi_irq_parse_one_cb(struct acpi_resource *ares, fwnode = acpi_gsi_domain_id; acpi_irq_parse_one_match(fwnode, irq->interrupts[ctx->index], irq->triggering, irq->polarity, - irq->sharable, ctx); + irq->shareable, ctx); return AE_CTRL_TERMINATE; case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: eirq = &ares->data.extended_irq; @@ -209,7 +209,7 @@ static acpi_status acpi_irq_parse_one_cb(struct acpi_resource *ares, fwnode = acpi_get_irq_source_fwhandle(&eirq->resource_source); acpi_irq_parse_one_match(fwnode, eirq->interrupts[ctx->index], eirq->triggering, eirq->polarity, - eirq->sharable, ctx); + eirq->shareable, ctx); return AE_CTRL_TERMINATE; } diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c index e18ade5d74e9..f1ed0befe303 100644 --- a/drivers/acpi/nfit/core.c +++ b/drivers/acpi/nfit/core.c @@ -55,6 +55,10 @@ static bool no_init_ars; module_param(no_init_ars, bool, 0644); MODULE_PARM_DESC(no_init_ars, "Skip ARS run at nfit init time"); +static bool force_labels; +module_param(force_labels, bool, 0444); +MODULE_PARM_DESC(force_labels, "Opt-in to labels despite missing methods"); + LIST_HEAD(acpi_descs); DEFINE_MUTEX(acpi_desc_lock); @@ -415,7 +419,7 @@ static int cmd_to_func(struct nfit_mem *nfit_mem, unsigned int cmd, if (call_pkg) { int i; - if (nfit_mem->family != call_pkg->nd_family) + if (nfit_mem && nfit_mem->family != call_pkg->nd_family) return -ENOTTY; for (i = 0; i < ARRAY_SIZE(call_pkg->nd_reserved2); i++) @@ -424,6 +428,10 @@ static int cmd_to_func(struct nfit_mem *nfit_mem, unsigned int cmd, return call_pkg->nd_command; } + /* In the !call_pkg case, bus commands == bus functions */ + if (!nfit_mem) + return cmd; + /* Linux ND commands == NVDIMM_FAMILY_INTEL function numbers */ if (nfit_mem->family == NVDIMM_FAMILY_INTEL) return cmd; @@ -454,17 +462,18 @@ int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm, if (cmd_rc) *cmd_rc = -EINVAL; + if (cmd == ND_CMD_CALL) + call_pkg = buf; + func = cmd_to_func(nfit_mem, cmd, call_pkg); + if (func < 0) + return func; + if (nvdimm) { struct acpi_device *adev = nfit_mem->adev; if (!adev) return -ENOTTY; - if (cmd == ND_CMD_CALL) - call_pkg = buf; - func = cmd_to_func(nfit_mem, cmd, call_pkg); - if (func < 0) - return func; dimm_name = nvdimm_name(nvdimm); cmd_name = nvdimm_cmd_name(cmd); cmd_mask = nvdimm_cmd_mask(nvdimm); @@ -475,12 +484,9 @@ int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm, } else { struct acpi_device *adev = to_acpi_dev(acpi_desc); - func = cmd; cmd_name = nvdimm_bus_cmd_name(cmd); cmd_mask = nd_desc->cmd_mask; - dsm_mask = cmd_mask; - if (cmd == ND_CMD_CALL) - dsm_mask = nd_desc->bus_dsm_mask; + dsm_mask = nd_desc->bus_dsm_mask; desc = nd_cmd_bus_desc(cmd); guid = to_nfit_uuid(NFIT_DEV_BUS); handle = adev->handle; @@ -554,6 +560,19 @@ int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm, return -EINVAL; } + if (out_obj->type != ACPI_TYPE_BUFFER) { + dev_dbg(dev, "%s unexpected output object type cmd: %s type: %d\n", + dimm_name, cmd_name, out_obj->type); + rc = -EINVAL; + goto out; + } + + dev_dbg(dev, "%s cmd: %s output length: %d\n", dimm_name, + cmd_name, out_obj->buffer.length); + print_hex_dump_debug(cmd_name, DUMP_PREFIX_OFFSET, 4, 4, + out_obj->buffer.pointer, + min_t(u32, 128, out_obj->buffer.length), true); + if (call_pkg) { call_pkg->nd_fw_size = out_obj->buffer.length; memcpy(call_pkg->nd_payload + call_pkg->nd_size_in, @@ -572,19 +591,6 @@ int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm, return 0; } - if (out_obj->package.type != ACPI_TYPE_BUFFER) { - dev_dbg(dev, "%s unexpected output object type cmd: %s type: %d\n", - dimm_name, cmd_name, out_obj->type); - rc = -EINVAL; - goto out; - } - - dev_dbg(dev, "%s cmd: %s output length: %d\n", dimm_name, - cmd_name, out_obj->buffer.length); - print_hex_dump_debug(cmd_name, DUMP_PREFIX_OFFSET, 4, 4, - out_obj->buffer.pointer, - min_t(u32, 128, out_obj->buffer.length), true); - for (i = 0, offset = 0; i < desc->out_num; i++) { u32 out_size = nd_cmd_out_size(nvdimm, cmd, desc, i, buf, (u32 *) out_obj->buffer.pointer, @@ -1317,19 +1323,30 @@ static ssize_t scrub_show(struct device *dev, struct device_attribute *attr, char *buf) { struct nvdimm_bus_descriptor *nd_desc; + struct acpi_nfit_desc *acpi_desc; ssize_t rc = -ENXIO; + bool busy; device_lock(dev); nd_desc = dev_get_drvdata(dev); - if (nd_desc) { - struct acpi_nfit_desc *acpi_desc = to_acpi_desc(nd_desc); + if (!nd_desc) { + device_unlock(dev); + return rc; + } + acpi_desc = to_acpi_desc(nd_desc); - mutex_lock(&acpi_desc->init_mutex); - rc = sprintf(buf, "%d%s", acpi_desc->scrub_count, - acpi_desc->scrub_busy - && !acpi_desc->cancel ? "+\n" : "\n"); - mutex_unlock(&acpi_desc->init_mutex); + mutex_lock(&acpi_desc->init_mutex); + busy = test_bit(ARS_BUSY, &acpi_desc->scrub_flags) + && !test_bit(ARS_CANCEL, &acpi_desc->scrub_flags); + rc = sprintf(buf, "%d%s", acpi_desc->scrub_count, busy ? "+\n" : "\n"); + /* Allow an admin to poll the busy state at a higher rate */ + if (busy && capable(CAP_SYS_RAWIO) && !test_and_set_bit(ARS_POLL, + &acpi_desc->scrub_flags)) { + acpi_desc->scrub_tmo = 1; + mod_delayed_work(nfit_wq, &acpi_desc->dwork, HZ); } + + mutex_unlock(&acpi_desc->init_mutex); device_unlock(dev); return rc; } @@ -1759,14 +1776,14 @@ static bool acpi_nvdimm_has_method(struct acpi_device *adev, char *method) __weak void nfit_intel_shutdown_status(struct nfit_mem *nfit_mem) { + struct device *dev = &nfit_mem->adev->dev; struct nd_intel_smart smart = { 0 }; union acpi_object in_buf = { - .type = ACPI_TYPE_BUFFER, - .buffer.pointer = (char *) &smart, - .buffer.length = sizeof(smart), + .buffer.type = ACPI_TYPE_BUFFER, + .buffer.length = 0, }; union acpi_object in_obj = { - .type = ACPI_TYPE_PACKAGE, + .package.type = ACPI_TYPE_PACKAGE, .package.count = 1, .package.elements = &in_buf, }; @@ -1781,8 +1798,15 @@ __weak void nfit_intel_shutdown_status(struct nfit_mem *nfit_mem) return; out_obj = acpi_evaluate_dsm(handle, guid, revid, func, &in_obj); - if (!out_obj) + if (!out_obj || out_obj->type != ACPI_TYPE_BUFFER + || out_obj->buffer.length < sizeof(smart)) { + dev_dbg(dev->parent, "%s: failed to retrieve initial health\n", + dev_name(dev)); + ACPI_FREE(out_obj); return; + } + memcpy(&smart, out_obj->buffer.pointer, sizeof(smart)); + ACPI_FREE(out_obj); if (smart.flags & ND_INTEL_SMART_SHUTDOWN_VALID) { if (smart.shutdown_state) @@ -1793,7 +1817,6 @@ __weak void nfit_intel_shutdown_status(struct nfit_mem *nfit_mem) set_bit(NFIT_MEM_DIRTY_COUNT, &nfit_mem->flags); nfit_mem->dirty_shutdown = smart.shutdown_count; } - ACPI_FREE(out_obj); } static void populate_shutdown_status(struct nfit_mem *nfit_mem) @@ -1861,9 +1884,17 @@ static int acpi_nfit_add_dimm(struct acpi_nfit_desc *acpi_desc, dev_set_drvdata(&adev_dimm->dev, nfit_mem); /* - * Until standardization materializes we need to consider 4 - * different command sets. Note, that checking for function0 (bit0) - * tells us if any commands are reachable through this GUID. + * There are 4 "legacy" NVDIMM command sets + * (NVDIMM_FAMILY_{INTEL,MSFT,HPE1,HPE2}) that were created before + * an EFI working group was established to constrain this + * proliferation. The nfit driver probes for the supported command + * set by GUID. Note, if you're a platform developer looking to add + * a new command set to this probe, consider using an existing set, + * or otherwise seek approval to publish the command set at + * http://www.uefi.org/RFIC_LIST. + * + * Note, that checking for function0 (bit0) tells us if any commands + * are reachable through this GUID. */ for (i = 0; i <= NVDIMM_FAMILY_MAX; i++) if (acpi_check_dsm(adev_dimm->handle, to_nfit_uuid(i), 1, 1)) @@ -1886,6 +1917,8 @@ static int acpi_nfit_add_dimm(struct acpi_nfit_desc *acpi_desc, dsm_mask &= ~(1 << 8); } else if (nfit_mem->family == NVDIMM_FAMILY_MSFT) { dsm_mask = 0xffffffff; + } else if (nfit_mem->family == NVDIMM_FAMILY_HYPERV) { + dsm_mask = 0x1f; } else { dev_dbg(dev, "unknown dimm command family\n"); nfit_mem->family = -1; @@ -1915,18 +1948,32 @@ static int acpi_nfit_add_dimm(struct acpi_nfit_desc *acpi_desc, | 1 << ND_CMD_SET_CONFIG_DATA; if (family == NVDIMM_FAMILY_INTEL && (dsm_mask & label_mask) == label_mask) - return 0; + /* skip _LS{I,R,W} enabling */; + else { + if (acpi_nvdimm_has_method(adev_dimm, "_LSI") + && acpi_nvdimm_has_method(adev_dimm, "_LSR")) { + dev_dbg(dev, "%s: has _LSR\n", dev_name(&adev_dimm->dev)); + set_bit(NFIT_MEM_LSR, &nfit_mem->flags); + } - if (acpi_nvdimm_has_method(adev_dimm, "_LSI") - && acpi_nvdimm_has_method(adev_dimm, "_LSR")) { - dev_dbg(dev, "%s: has _LSR\n", dev_name(&adev_dimm->dev)); - set_bit(NFIT_MEM_LSR, &nfit_mem->flags); - } + if (test_bit(NFIT_MEM_LSR, &nfit_mem->flags) + && acpi_nvdimm_has_method(adev_dimm, "_LSW")) { + dev_dbg(dev, "%s: has _LSW\n", dev_name(&adev_dimm->dev)); + set_bit(NFIT_MEM_LSW, &nfit_mem->flags); + } - if (test_bit(NFIT_MEM_LSR, &nfit_mem->flags) - && acpi_nvdimm_has_method(adev_dimm, "_LSW")) { - dev_dbg(dev, "%s: has _LSW\n", dev_name(&adev_dimm->dev)); - set_bit(NFIT_MEM_LSW, &nfit_mem->flags); + /* + * Quirk read-only label configurations to preserve + * access to label-less namespaces by default. + */ + if (!test_bit(NFIT_MEM_LSW, &nfit_mem->flags) + && !force_labels) { + dev_dbg(dev, "%s: No _LSW, disable labels\n", + dev_name(&adev_dimm->dev)); + clear_bit(NFIT_MEM_LSR, &nfit_mem->flags); + } else + dev_dbg(dev, "%s: Force enable labels\n", + dev_name(&adev_dimm->dev)); } populate_shutdown_status(nfit_mem); @@ -2027,6 +2074,10 @@ static int acpi_nfit_register_dimms(struct acpi_nfit_desc *acpi_desc) cmd_mask |= nfit_mem->dsm_mask & NVDIMM_STANDARD_CMDMASK; } + /* Quirk to ignore LOCAL for labels on HYPERV DIMMs */ + if (nfit_mem->family == NVDIMM_FAMILY_HYPERV) + set_bit(NDD_NOBLK, &flags); + if (test_bit(NFIT_MEM_LSR, &nfit_mem->flags)) { set_bit(ND_CMD_GET_CONFIG_SIZE, &cmd_mask); set_bit(ND_CMD_GET_CONFIG_DATA, &cmd_mask); @@ -2050,7 +2101,7 @@ static int acpi_nfit_register_dimms(struct acpi_nfit_desc *acpi_desc) if ((mem_flags & ACPI_NFIT_MEM_FAILED_MASK) == 0) continue; - dev_info(acpi_desc->dev, "%s flags:%s%s%s%s%s\n", + dev_err(acpi_desc->dev, "Error found in NVDIMM %s flags:%s%s%s%s%s\n", nvdimm_name(nvdimm), mem_flags & ACPI_NFIT_MEM_SAVE_FAILED ? " save_fail" : "", mem_flags & ACPI_NFIT_MEM_RESTORE_FAILED ? " restore_fail":"", @@ -2641,7 +2692,10 @@ static int ars_start(struct acpi_nfit_desc *acpi_desc, if (rc < 0) return rc; - return cmd_rc; + if (cmd_rc < 0) + return cmd_rc; + set_bit(ARS_VALID, &acpi_desc->scrub_flags); + return 0; } static int ars_continue(struct acpi_nfit_desc *acpi_desc) @@ -2651,11 +2705,11 @@ static int ars_continue(struct acpi_nfit_desc *acpi_desc) struct nvdimm_bus_descriptor *nd_desc = &acpi_desc->nd_desc; struct nd_cmd_ars_status *ars_status = acpi_desc->ars_status; - memset(&ars_start, 0, sizeof(ars_start)); - ars_start.address = ars_status->restart_address; - ars_start.length = ars_status->restart_length; - ars_start.type = ars_status->type; - ars_start.flags = acpi_desc->ars_start_flags; + ars_start = (struct nd_cmd_ars_start) { + .address = ars_status->restart_address, + .length = ars_status->restart_length, + .type = ars_status->type, + }; rc = nd_desc->ndctl(nd_desc, NULL, ND_CMD_ARS_START, &ars_start, sizeof(ars_start), &cmd_rc); if (rc < 0) @@ -2734,6 +2788,17 @@ static int ars_status_process_records(struct acpi_nfit_desc *acpi_desc) */ if (ars_status->out_length < 44) return 0; + + /* + * Ignore potentially stale results that are only refreshed + * after a start-ARS event. + */ + if (!test_and_clear_bit(ARS_VALID, &acpi_desc->scrub_flags)) { + dev_dbg(acpi_desc->dev, "skip %d stale records\n", + ars_status->num_records); + return 0; + } + for (i = 0; i < ars_status->num_records; i++) { /* only process full records */ if (ars_status->out_length @@ -2891,11 +2956,15 @@ static int acpi_nfit_register_region(struct acpi_nfit_desc *acpi_desc, ndr_desc->res = &res; ndr_desc->provider_data = nfit_spa; ndr_desc->attr_groups = acpi_nfit_region_attribute_groups; - if (spa->flags & ACPI_NFIT_PROXIMITY_VALID) + if (spa->flags & ACPI_NFIT_PROXIMITY_VALID) { ndr_desc->numa_node = acpi_map_pxm_to_online_node( spa->proximity_domain); - else + ndr_desc->target_node = acpi_map_pxm_to_node( + spa->proximity_domain); + } else { ndr_desc->numa_node = NUMA_NO_NODE; + ndr_desc->target_node = NUMA_NO_NODE; + } /* * Persistence domain bits are hierarchical, if @@ -3004,14 +3073,16 @@ static int ars_register(struct acpi_nfit_desc *acpi_desc, { int rc; - if (no_init_ars || test_bit(ARS_FAILED, &nfit_spa->ars_state)) + if (test_bit(ARS_FAILED, &nfit_spa->ars_state)) return acpi_nfit_register_region(acpi_desc, nfit_spa); set_bit(ARS_REQ_SHORT, &nfit_spa->ars_state); - set_bit(ARS_REQ_LONG, &nfit_spa->ars_state); + if (!no_init_ars) + set_bit(ARS_REQ_LONG, &nfit_spa->ars_state); switch (acpi_nfit_query_poison(acpi_desc)) { case 0: + case -ENOSPC: case -EAGAIN: rc = ars_start(acpi_desc, nfit_spa, ARS_REQ_SHORT); /* shouldn't happen, try again later */ @@ -3036,7 +3107,6 @@ static int ars_register(struct acpi_nfit_desc *acpi_desc, break; case -EBUSY: case -ENOMEM: - case -ENOSPC: /* * BIOS was using ARS, wait for it to complete (or * resources to become available) and then perform our @@ -3071,7 +3141,7 @@ static unsigned int __acpi_nfit_scrub(struct acpi_nfit_desc *acpi_desc, lockdep_assert_held(&acpi_desc->init_mutex); - if (acpi_desc->cancel) + if (test_bit(ARS_CANCEL, &acpi_desc->scrub_flags)) return 0; if (query_rc == -EBUSY) { @@ -3145,7 +3215,7 @@ static void __sched_ars(struct acpi_nfit_desc *acpi_desc, unsigned int tmo) { lockdep_assert_held(&acpi_desc->init_mutex); - acpi_desc->scrub_busy = 1; + set_bit(ARS_BUSY, &acpi_desc->scrub_flags); /* note this should only be set from within the workqueue */ if (tmo) acpi_desc->scrub_tmo = tmo; @@ -3161,7 +3231,7 @@ static void notify_ars_done(struct acpi_nfit_desc *acpi_desc) { lockdep_assert_held(&acpi_desc->init_mutex); - acpi_desc->scrub_busy = 0; + clear_bit(ARS_BUSY, &acpi_desc->scrub_flags); acpi_desc->scrub_count++; if (acpi_desc->scrub_count_state) sysfs_notify_dirent(acpi_desc->scrub_count_state); @@ -3182,6 +3252,7 @@ static void acpi_nfit_scrub(struct work_struct *work) else notify_ars_done(acpi_desc); memset(acpi_desc->ars_status, 0, acpi_desc->max_ars); + clear_bit(ARS_POLL, &acpi_desc->scrub_flags); mutex_unlock(&acpi_desc->init_mutex); } @@ -3216,6 +3287,7 @@ static int acpi_nfit_register_regions(struct acpi_nfit_desc *acpi_desc) struct nfit_spa *nfit_spa; int rc; + set_bit(ARS_VALID, &acpi_desc->scrub_flags); list_for_each_entry(nfit_spa, &acpi_desc->spas, list) { switch (nfit_spa_type(nfit_spa->spa)) { case NFIT_SPA_VOLATILE: @@ -3450,7 +3522,7 @@ int acpi_nfit_ars_rescan(struct acpi_nfit_desc *acpi_desc, struct nfit_spa *nfit_spa; mutex_lock(&acpi_desc->init_mutex); - if (acpi_desc->cancel) { + if (test_bit(ARS_CANCEL, &acpi_desc->scrub_flags)) { mutex_unlock(&acpi_desc->init_mutex); return 0; } @@ -3529,7 +3601,7 @@ void acpi_nfit_shutdown(void *data) mutex_unlock(&acpi_desc_lock); mutex_lock(&acpi_desc->init_mutex); - acpi_desc->cancel = 1; + set_bit(ARS_CANCEL, &acpi_desc->scrub_flags); cancel_delayed_work_sync(&acpi_desc->dwork); mutex_unlock(&acpi_desc->init_mutex); @@ -3729,6 +3801,7 @@ static __init int nfit_init(void) guid_parse(UUID_NFIT_DIMM_N_HPE1, &nfit_uuid[NFIT_DEV_DIMM_N_HPE1]); guid_parse(UUID_NFIT_DIMM_N_HPE2, &nfit_uuid[NFIT_DEV_DIMM_N_HPE2]); guid_parse(UUID_NFIT_DIMM_N_MSFT, &nfit_uuid[NFIT_DEV_DIMM_N_MSFT]); + guid_parse(UUID_NFIT_DIMM_N_HYPERV, &nfit_uuid[NFIT_DEV_DIMM_N_HYPERV]); nfit_wq = create_singlethread_workqueue("nfit"); if (!nfit_wq) diff --git a/drivers/acpi/nfit/intel.c b/drivers/acpi/nfit/intel.c index f70de71f79d6..cddd0fcf622c 100644 --- a/drivers/acpi/nfit/intel.c +++ b/drivers/acpi/nfit/intel.c @@ -122,9 +122,8 @@ static int intel_security_change_key(struct nvdimm *nvdimm, if (!test_bit(cmd, &nfit_mem->dsm_mask)) return -ENOTTY; - if (old_data) - memcpy(nd_cmd.cmd.old_pass, old_data->data, - sizeof(nd_cmd.cmd.old_pass)); + memcpy(nd_cmd.cmd.old_pass, old_data->data, + sizeof(nd_cmd.cmd.old_pass)); memcpy(nd_cmd.cmd.new_pass, new_data->data, sizeof(nd_cmd.cmd.new_pass)); rc = nvdimm_ctl(nvdimm, ND_CMD_CALL, &nd_cmd, sizeof(nd_cmd), NULL); @@ -336,9 +335,8 @@ static int __maybe_unused intel_security_overwrite(struct nvdimm *nvdimm, /* flush all cache before we erase DIMM */ nvdimm_invalidate_cache(); - if (nkey) - memcpy(nd_cmd.cmd.passphrase, nkey->data, - sizeof(nd_cmd.cmd.passphrase)); + memcpy(nd_cmd.cmd.passphrase, nkey->data, + sizeof(nd_cmd.cmd.passphrase)); rc = nvdimm_ctl(nvdimm, ND_CMD_CALL, &nd_cmd, sizeof(nd_cmd), NULL); if (rc < 0) return rc; diff --git a/drivers/acpi/nfit/nfit.h b/drivers/acpi/nfit/nfit.h index 33691aecfcee..2f8cf2a11e3b 100644 --- a/drivers/acpi/nfit/nfit.h +++ b/drivers/acpi/nfit/nfit.h @@ -34,11 +34,14 @@ /* https://msdn.microsoft.com/library/windows/hardware/mt604741 */ #define UUID_NFIT_DIMM_N_MSFT "1ee68b36-d4bd-4a1a-9a16-4f8e53d46e05" +/* http://www.uefi.org/RFIC_LIST (see "Virtual NVDIMM 0x1901") */ +#define UUID_NFIT_DIMM_N_HYPERV "5746c5f2-a9a2-4264-ad0e-e4ddc9e09e80" + #define ACPI_NFIT_MEM_FAILED_MASK (ACPI_NFIT_MEM_SAVE_FAILED \ | ACPI_NFIT_MEM_RESTORE_FAILED | ACPI_NFIT_MEM_FLUSH_FAILED \ | ACPI_NFIT_MEM_NOT_ARMED | ACPI_NFIT_MEM_MAP_FAILED) -#define NVDIMM_FAMILY_MAX NVDIMM_FAMILY_MSFT +#define NVDIMM_FAMILY_MAX NVDIMM_FAMILY_HYPERV #define NVDIMM_STANDARD_CMDMASK \ (1 << ND_CMD_SMART | 1 << ND_CMD_SMART_THRESHOLD | 1 << ND_CMD_DIMM_FLAGS \ @@ -94,6 +97,7 @@ enum nfit_uuids { NFIT_DEV_DIMM_N_HPE1 = NVDIMM_FAMILY_HPE1, NFIT_DEV_DIMM_N_HPE2 = NVDIMM_FAMILY_HPE2, NFIT_DEV_DIMM_N_MSFT = NVDIMM_FAMILY_MSFT, + NFIT_DEV_DIMM_N_HYPERV = NVDIMM_FAMILY_HYPERV, NFIT_SPA_VOLATILE, NFIT_SPA_PM, NFIT_SPA_DCR, @@ -210,6 +214,13 @@ struct nfit_mem { int family; }; +enum scrub_flags { + ARS_BUSY, + ARS_CANCEL, + ARS_VALID, + ARS_POLL, +}; + struct acpi_nfit_desc { struct nvdimm_bus_descriptor nd_desc; struct acpi_table_header acpi_header; @@ -223,7 +234,6 @@ struct acpi_nfit_desc { struct list_head idts; struct nvdimm_bus *nvdimm_bus; struct device *dev; - u8 ars_start_flags; struct nd_cmd_ars_status *ars_status; struct nfit_spa *scrub_spa; struct delayed_work dwork; @@ -232,8 +242,7 @@ struct acpi_nfit_desc { unsigned int max_ars; unsigned int scrub_count; unsigned int scrub_mode; - unsigned int scrub_busy:1; - unsigned int cancel:1; + unsigned long scrub_flags; unsigned long dimm_cmd_force_en; unsigned long bus_cmd_force_en; unsigned long bus_nfit_cmd_force_en; diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c index 7bbbf8256a41..30995834ad70 100644 --- a/drivers/acpi/numa.c +++ b/drivers/acpi/numa.c @@ -84,6 +84,7 @@ int acpi_map_pxm_to_node(int pxm) return node; } +EXPORT_SYMBOL(acpi_map_pxm_to_node); /** * acpi_map_pxm_to_online_node - Map proximity ID to online node @@ -338,7 +339,7 @@ acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa) } static int __init -acpi_parse_x2apic_affinity(struct acpi_subtable_header *header, +acpi_parse_x2apic_affinity(union acpi_subtable_headers *header, const unsigned long end) { struct acpi_srat_x2apic_cpu_affinity *processor_affinity; @@ -347,7 +348,7 @@ acpi_parse_x2apic_affinity(struct acpi_subtable_header *header, if (!processor_affinity) return -EINVAL; - acpi_table_print_srat_entry(header); + acpi_table_print_srat_entry(&header->common); /* let architecture-dependent part to do it */ acpi_numa_x2apic_affinity_init(processor_affinity); @@ -356,7 +357,7 @@ acpi_parse_x2apic_affinity(struct acpi_subtable_header *header, } static int __init -acpi_parse_processor_affinity(struct acpi_subtable_header *header, +acpi_parse_processor_affinity(union acpi_subtable_headers *header, const unsigned long end) { struct acpi_srat_cpu_affinity *processor_affinity; @@ -365,7 +366,7 @@ acpi_parse_processor_affinity(struct acpi_subtable_header *header, if (!processor_affinity) return -EINVAL; - acpi_table_print_srat_entry(header); + acpi_table_print_srat_entry(&header->common); /* let architecture-dependent part to do it */ acpi_numa_processor_affinity_init(processor_affinity); @@ -374,7 +375,7 @@ acpi_parse_processor_affinity(struct acpi_subtable_header *header, } static int __init -acpi_parse_gicc_affinity(struct acpi_subtable_header *header, +acpi_parse_gicc_affinity(union acpi_subtable_headers *header, const unsigned long end) { struct acpi_srat_gicc_affinity *processor_affinity; @@ -383,7 +384,7 @@ acpi_parse_gicc_affinity(struct acpi_subtable_header *header, if (!processor_affinity) return -EINVAL; - acpi_table_print_srat_entry(header); + acpi_table_print_srat_entry(&header->common); /* let architecture-dependent part to do it */ acpi_numa_gicc_affinity_init(processor_affinity); @@ -394,7 +395,7 @@ acpi_parse_gicc_affinity(struct acpi_subtable_header *header, static int __initdata parsed_numa_memblks; static int __init -acpi_parse_memory_affinity(struct acpi_subtable_header * header, +acpi_parse_memory_affinity(union acpi_subtable_headers * header, const unsigned long end) { struct acpi_srat_mem_affinity *memory_affinity; @@ -403,7 +404,7 @@ acpi_parse_memory_affinity(struct acpi_subtable_header * header, if (!memory_affinity) return -EINVAL; - acpi_table_print_srat_entry(header); + acpi_table_print_srat_entry(&header->common); /* let architecture-dependent part to do it */ if (!acpi_numa_memory_affinity_init(memory_affinity)) diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c index d5eec352a6e1..df70b1eaef58 100644 --- a/drivers/acpi/pci_link.c +++ b/drivers/acpi/pci_link.c @@ -317,10 +317,10 @@ static int acpi_pci_link_set(struct acpi_pci_link *link, int irq) resource->res.data.irq.polarity = link->irq.polarity; if (link->irq.triggering == ACPI_EDGE_SENSITIVE) - resource->res.data.irq.sharable = + resource->res.data.irq.shareable = ACPI_EXCLUSIVE; else - resource->res.data.irq.sharable = ACPI_SHARED; + resource->res.data.irq.shareable = ACPI_SHARED; resource->res.data.irq.interrupt_count = 1; resource->res.data.irq.interrupts[0] = irq; break; @@ -335,10 +335,10 @@ static int acpi_pci_link_set(struct acpi_pci_link *link, int irq) resource->res.data.extended_irq.polarity = link->irq.polarity; if (link->irq.triggering == ACPI_EDGE_SENSITIVE) - resource->res.data.irq.sharable = + resource->res.data.irq.shareable = ACPI_EXCLUSIVE; else - resource->res.data.irq.sharable = ACPI_SHARED; + resource->res.data.irq.shareable = ACPI_SHARED; resource->res.data.extended_irq.interrupt_count = 1; resource->res.data.extended_irq.interrupts[0] = irq; /* ignore resource_source, it's optional */ diff --git a/drivers/acpi/pmic/intel_pmic.c b/drivers/acpi/pmic/intel_pmic.c index ca18e0d23df9..c14cfaea92e2 100644 --- a/drivers/acpi/pmic/intel_pmic.c +++ b/drivers/acpi/pmic/intel_pmic.c @@ -15,6 +15,7 @@ #include <linux/export.h> #include <linux/acpi.h> +#include <linux/mfd/intel_soc_pmic.h> #include <linux/regmap.h> #include <acpi/acpi_lpat.h> #include "intel_pmic.h" @@ -36,6 +37,8 @@ struct intel_pmic_opregion { struct intel_pmic_regs_handler_ctx ctx; }; +static struct intel_pmic_opregion *intel_pmic_opregion; + static int pmic_get_reg_bit(int address, struct pmic_table *table, int count, int *reg, int *bit) { @@ -304,6 +307,7 @@ int intel_pmic_install_opregion_handler(struct device *dev, acpi_handle handle, } opregion->data = d; + intel_pmic_opregion = opregion; return 0; out_remove_thermal_handler: @@ -319,3 +323,60 @@ out_error: return ret; } EXPORT_SYMBOL_GPL(intel_pmic_install_opregion_handler); + +/** + * intel_soc_pmic_exec_mipi_pmic_seq_element - Execute PMIC MIPI sequence + * @i2c_address: I2C client address for the PMIC + * @reg_address: PMIC register address + * @value: New value for the register bits to change + * @mask: Mask indicating which register bits to change + * + * DSI LCD panels describe an initialization sequence in the i915 VBT (Video + * BIOS Tables) using so called MIPI sequences. One possible element in these + * sequences is a PMIC specific element of 15 bytes. + * + * This function executes these PMIC specific elements sending the embedded + * commands to the PMIC. + * + * Return 0 on success, < 0 on failure. + */ +int intel_soc_pmic_exec_mipi_pmic_seq_element(u16 i2c_address, u32 reg_address, + u32 value, u32 mask) +{ + struct intel_pmic_opregion_data *d; + int ret; + + if (!intel_pmic_opregion) { + pr_warn("%s: No PMIC registered\n", __func__); + return -ENXIO; + } + + d = intel_pmic_opregion->data; + + mutex_lock(&intel_pmic_opregion->lock); + + if (d->exec_mipi_pmic_seq_element) { + ret = d->exec_mipi_pmic_seq_element(intel_pmic_opregion->regmap, + i2c_address, reg_address, + value, mask); + } else if (d->pmic_i2c_address) { + if (i2c_address == d->pmic_i2c_address) { + ret = regmap_update_bits(intel_pmic_opregion->regmap, + reg_address, mask, value); + } else { + pr_err("%s: Unexpected i2c-addr: 0x%02x (reg-addr 0x%x value 0x%x mask 0x%x)\n", + __func__, i2c_address, reg_address, value, mask); + ret = -ENXIO; + } + } else { + pr_warn("%s: Not implemented\n", __func__); + pr_warn("%s: i2c-addr: 0x%x reg-addr 0x%x value 0x%x mask 0x%x\n", + __func__, i2c_address, reg_address, value, mask); + ret = -EOPNOTSUPP; + } + + mutex_unlock(&intel_pmic_opregion->lock); + + return ret; +} +EXPORT_SYMBOL_GPL(intel_soc_pmic_exec_mipi_pmic_seq_element); diff --git a/drivers/acpi/pmic/intel_pmic.h b/drivers/acpi/pmic/intel_pmic.h index 095afc96952e..89379476a1df 100644 --- a/drivers/acpi/pmic/intel_pmic.h +++ b/drivers/acpi/pmic/intel_pmic.h @@ -15,10 +15,14 @@ struct intel_pmic_opregion_data { int (*update_aux)(struct regmap *r, int reg, int raw_temp); int (*get_policy)(struct regmap *r, int reg, int bit, u64 *value); int (*update_policy)(struct regmap *r, int reg, int bit, int enable); + int (*exec_mipi_pmic_seq_element)(struct regmap *r, u16 i2c_address, + u32 reg_address, u32 value, u32 mask); struct pmic_table *power_table; int power_table_count; struct pmic_table *thermal_table; int thermal_table_count; + /* For generic exec_mipi_pmic_seq_element handling */ + int pmic_i2c_address; }; int intel_pmic_install_opregion_handler(struct device *dev, acpi_handle handle, struct regmap *regmap, struct intel_pmic_opregion_data *d); diff --git a/drivers/acpi/pmic/intel_pmic_chtwc.c b/drivers/acpi/pmic/intel_pmic_chtwc.c index 078b0448f30a..7ffd5624b8e1 100644 --- a/drivers/acpi/pmic/intel_pmic_chtwc.c +++ b/drivers/acpi/pmic/intel_pmic_chtwc.c @@ -231,6 +231,24 @@ static int intel_cht_wc_pmic_update_power(struct regmap *regmap, int reg, return regmap_update_bits(regmap, reg, bitmask, on ? 1 : 0); } +static int intel_cht_wc_exec_mipi_pmic_seq_element(struct regmap *regmap, + u16 i2c_client_address, + u32 reg_address, + u32 value, u32 mask) +{ + u32 address; + + if (i2c_client_address > 0xff || reg_address > 0xff) { + pr_warn("%s warning addresses too big client 0x%x reg 0x%x\n", + __func__, i2c_client_address, reg_address); + return -ERANGE; + } + + address = (i2c_client_address << 8) | reg_address; + + return regmap_update_bits(regmap, address, mask, value); +} + /* * The thermal table and ops are empty, we do not support the Thermal opregion * (DPTF) due to lacking documentation. @@ -238,6 +256,7 @@ static int intel_cht_wc_pmic_update_power(struct regmap *regmap, int reg, static struct intel_pmic_opregion_data intel_cht_wc_pmic_opregion_data = { .get_power = intel_cht_wc_pmic_get_power, .update_power = intel_cht_wc_pmic_update_power, + .exec_mipi_pmic_seq_element = intel_cht_wc_exec_mipi_pmic_seq_element, .power_table = power_table, .power_table_count = ARRAY_SIZE(power_table), }; diff --git a/drivers/acpi/pmic/intel_pmic_xpower.c b/drivers/acpi/pmic/intel_pmic_xpower.c index e7c0006e6602..a091d5a8392c 100644 --- a/drivers/acpi/pmic/intel_pmic_xpower.c +++ b/drivers/acpi/pmic/intel_pmic_xpower.c @@ -265,6 +265,7 @@ static struct intel_pmic_opregion_data intel_xpower_pmic_opregion_data = { .power_table_count = ARRAY_SIZE(power_table), .thermal_table = thermal_table, .thermal_table_count = ARRAY_SIZE(thermal_table), + .pmic_i2c_address = 0x34, }; static acpi_status intel_xpower_pmic_gpio_handler(u32 function, diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c index 665e93ca0b40..87db3e124725 100644 --- a/drivers/acpi/power.c +++ b/drivers/acpi/power.c @@ -535,12 +535,12 @@ int acpi_device_sleep_wake(struct acpi_device *dev, /* * Try to execute _DSW first. * - * Three agruments are needed for the _DSW object: + * Three arguments are needed for the _DSW object: * Argument 0: enable/disable the wake capabilities * Argument 1: target system state * Argument 2: target device state * When _DSW object is called to disable the wake capabilities, maybe - * the first argument is filled. The values of the other two agruments + * the first argument is filled. The values of the other two arguments * are meaningless. */ in_arg[0].type = ACPI_TYPE_INTEGER; diff --git a/drivers/acpi/pptt.c b/drivers/acpi/pptt.c index da031b1df6f5..b72e6afaa8fb 100644 --- a/drivers/acpi/pptt.c +++ b/drivers/acpi/pptt.c @@ -164,7 +164,7 @@ static struct acpi_pptt_cache *acpi_find_cache_level(struct acpi_table_header *t } /** - * acpi_count_levels() - Given a PPTT table, and a cpu node, count the caches + * acpi_count_levels() - Given a PPTT table, and a CPU node, count the caches * @table_hdr: Pointer to the head of the PPTT table * @cpu_node: processor node we wish to count caches for * @@ -209,6 +209,9 @@ static int acpi_pptt_leaf_node(struct acpi_table_header *table_hdr, struct acpi_pptt_processor *cpu_node; u32 proc_sz; + if (table_hdr->revision > 1) + return (node->flags & ACPI_PPTT_ACPI_LEAF_NODE); + table_end = (unsigned long)table_hdr + table_hdr->length; node_entry = ACPI_PTR_DIFF(node, table_hdr); entry = ACPI_ADD_PTR(struct acpi_subtable_header, table_hdr, @@ -232,7 +235,7 @@ static int acpi_pptt_leaf_node(struct acpi_table_header *table_hdr, /** * acpi_find_processor_node() - Given a PPTT table find the requested processor * @table_hdr: Pointer to the head of the PPTT table - * @acpi_cpu_id: cpu we are searching for + * @acpi_cpu_id: CPU we are searching for * * Find the subtable entry describing the provided processor. * This is done by iterating the PPTT table looking for processor nodes @@ -451,18 +454,23 @@ static struct acpi_pptt_processor *acpi_find_processor_package_id(struct acpi_ta return cpu; } +static void acpi_pptt_warn_missing(void) +{ + pr_warn_once("No PPTT table found, CPU and cache topology may be inaccurate\n"); +} + /** * topology_get_acpi_cpu_tag() - Find a unique topology value for a feature * @table: Pointer to the head of the PPTT table - * @cpu: Kernel logical cpu number + * @cpu: Kernel logical CPU number * @level: A level that terminates the search * @flag: A flag which terminates the search * - * Get a unique value given a cpu, and a topology level, that can be + * Get a unique value given a CPU, and a topology level, that can be * matched to determine which cpus share common topological features * at that level. * - * Return: Unique value, or -ENOENT if unable to locate cpu + * Return: Unique value, or -ENOENT if unable to locate CPU */ static int topology_get_acpi_cpu_tag(struct acpi_table_header *table, unsigned int cpu, int level, int flag) @@ -498,11 +506,11 @@ static int find_acpi_cpu_topology_tag(unsigned int cpu, int level, int flag) status = acpi_get_table(ACPI_SIG_PPTT, 0, &table); if (ACPI_FAILURE(status)) { - pr_warn_once("No PPTT table found, cpu topology may be inaccurate\n"); + acpi_pptt_warn_missing(); return -ENOENT; } retval = topology_get_acpi_cpu_tag(table, cpu, level, flag); - pr_debug("Topology Setup ACPI cpu %d, level %d ret = %d\n", + pr_debug("Topology Setup ACPI CPU %d, level %d ret = %d\n", cpu, level, retval); acpi_put_table(table); @@ -511,9 +519,9 @@ static int find_acpi_cpu_topology_tag(unsigned int cpu, int level, int flag) /** * acpi_find_last_cache_level() - Determines the number of cache levels for a PE - * @cpu: Kernel logical cpu number + * @cpu: Kernel logical CPU number * - * Given a logical cpu number, returns the number of levels of cache represented + * Given a logical CPU number, returns the number of levels of cache represented * in the PPTT. Errors caused by lack of a PPTT table, or otherwise, return 0 * indicating we didn't find any cache levels. * @@ -526,12 +534,12 @@ int acpi_find_last_cache_level(unsigned int cpu) int number_of_levels = 0; acpi_status status; - pr_debug("Cache Setup find last level cpu=%d\n", cpu); + pr_debug("Cache Setup find last level CPU=%d\n", cpu); acpi_cpu_id = get_acpi_id_for_cpu(cpu); status = acpi_get_table(ACPI_SIG_PPTT, 0, &table); if (ACPI_FAILURE(status)) { - pr_warn_once("No PPTT table found, cache topology may be inaccurate\n"); + acpi_pptt_warn_missing(); } else { number_of_levels = acpi_find_cache_levels(table, acpi_cpu_id); acpi_put_table(table); @@ -543,14 +551,14 @@ int acpi_find_last_cache_level(unsigned int cpu) /** * cache_setup_acpi() - Override CPU cache topology with data from the PPTT - * @cpu: Kernel logical cpu number + * @cpu: Kernel logical CPU number * * Updates the global cache info provided by cpu_get_cacheinfo() * when there are valid properties in the acpi_pptt_cache nodes. A * successful parse may not result in any updates if none of the - * cache levels have any valid flags set. Futher, a unique value is + * cache levels have any valid flags set. Further, a unique value is * associated with each known CPU cache entry. This unique value - * can be used to determine whether caches are shared between cpus. + * can be used to determine whether caches are shared between CPUs. * * Return: -ENOENT on failure to find table, or 0 on success */ @@ -559,11 +567,11 @@ int cache_setup_acpi(unsigned int cpu) struct acpi_table_header *table; acpi_status status; - pr_debug("Cache Setup ACPI cpu %d\n", cpu); + pr_debug("Cache Setup ACPI CPU %d\n", cpu); status = acpi_get_table(ACPI_SIG_PPTT, 0, &table); if (ACPI_FAILURE(status)) { - pr_warn_once("No PPTT table found, cache topology may be inaccurate\n"); + acpi_pptt_warn_missing(); return -ENOENT; } @@ -574,8 +582,8 @@ int cache_setup_acpi(unsigned int cpu) } /** - * find_acpi_cpu_topology() - Determine a unique topology value for a given cpu - * @cpu: Kernel logical cpu number + * find_acpi_cpu_topology() - Determine a unique topology value for a given CPU + * @cpu: Kernel logical CPU number * @level: The topological level for which we would like a unique ID * * Determine a topology unique ID for each thread/core/cluster/mc_grouping @@ -588,7 +596,7 @@ int cache_setup_acpi(unsigned int cpu) * other levels beyond this use a generated value to uniquely identify * a topological feature. * - * Return: -ENOENT if the PPTT doesn't exist, or the cpu cannot be found. + * Return: -ENOENT if the PPTT doesn't exist, or the CPU cannot be found. * Otherwise returns a value which represents a unique topological feature. */ int find_acpi_cpu_topology(unsigned int cpu, int level) @@ -598,12 +606,12 @@ int find_acpi_cpu_topology(unsigned int cpu, int level) /** * find_acpi_cpu_cache_topology() - Determine a unique cache topology value - * @cpu: Kernel logical cpu number + * @cpu: Kernel logical CPU number * @level: The cache level for which we would like a unique ID * * Determine a unique ID for each unified cache in the system * - * Return: -ENOENT if the PPTT doesn't exist, or the cpu cannot be found. + * Return: -ENOENT if the PPTT doesn't exist, or the CPU cannot be found. * Otherwise returns a value which represents a unique topological feature. */ int find_acpi_cpu_cache_topology(unsigned int cpu, int level) @@ -617,7 +625,7 @@ int find_acpi_cpu_cache_topology(unsigned int cpu, int level) status = acpi_get_table(ACPI_SIG_PPTT, 0, &table); if (ACPI_FAILURE(status)) { - pr_warn_once("No PPTT table found, topology may be inaccurate\n"); + acpi_pptt_warn_missing(); return -ENOENT; } @@ -635,17 +643,17 @@ int find_acpi_cpu_cache_topology(unsigned int cpu, int level) /** - * find_acpi_cpu_topology_package() - Determine a unique cpu package value - * @cpu: Kernel logical cpu number + * find_acpi_cpu_topology_package() - Determine a unique CPU package value + * @cpu: Kernel logical CPU number * - * Determine a topology unique package ID for the given cpu. + * Determine a topology unique package ID for the given CPU. * This ID can then be used to group peers, which will have matching ids. * * The search terminates when either a level is found with the PHYSICAL_PACKAGE * flag set or we reach a root node. * - * Return: -ENOENT if the PPTT doesn't exist, or the cpu cannot be found. - * Otherwise returns a value which represents the package for this cpu. + * Return: -ENOENT if the PPTT doesn't exist, or the CPU cannot be found. + * Otherwise returns a value which represents the package for this CPU. */ int find_acpi_cpu_topology_package(unsigned int cpu) { diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index b2131c4ea124..98d4ec5bf450 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -282,6 +282,13 @@ static int acpi_processor_get_power_info_fadt(struct acpi_processor *pr) pr->power.states[ACPI_STATE_C2].address, pr->power.states[ACPI_STATE_C3].address)); + snprintf(pr->power.states[ACPI_STATE_C2].desc, + ACPI_CX_DESC_LEN, "ACPI P_LVL2 IOPORT 0x%x", + pr->power.states[ACPI_STATE_C2].address); + snprintf(pr->power.states[ACPI_STATE_C3].desc, + ACPI_CX_DESC_LEN, "ACPI P_LVL3 IOPORT 0x%x", + pr->power.states[ACPI_STATE_C3].address); + return 0; } diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c index a303fd0e108c..c73d3a62799a 100644 --- a/drivers/acpi/processor_perflib.c +++ b/drivers/acpi/processor_perflib.c @@ -181,7 +181,7 @@ void acpi_processor_ppc_has_changed(struct acpi_processor *pr, int event_flag) acpi_processor_ppc_ost(pr->handle, 0); } if (ret >= 0) - cpufreq_update_policy(pr->id); + cpufreq_update_limits(pr->id); } int acpi_processor_get_bios_limit(int cpu, unsigned int *limit) diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c index 77abe0ec4043..9d460a859be0 100644 --- a/drivers/acpi/property.c +++ b/drivers/acpi/property.c @@ -44,6 +44,7 @@ static const guid_t prp_guids[] = { 0xbf, 0xf0, 0x76, 0x14, 0x38, 0x07, 0xc3, 0x89), }; +/* ACPI _DSD data subnodes GUID: dbb8e3e6-5886-4ba6-8795-1319f52a966b */ static const guid_t ads_guid = GUID_INIT(0xdbb8e3e6, 0x5886, 0x4ba6, 0x87, 0x95, 0x13, 0x19, 0xf5, 0x2a, 0x96, 0x6b); @@ -1031,6 +1032,14 @@ struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode, const struct acpi_data_node *data = to_acpi_data_node(fwnode); struct acpi_data_node *dn; + /* + * We can have a combination of device and data nodes, e.g. with + * hierarchical _DSD properties. Make sure the adev pointer is + * restored before going through data nodes, otherwise we will + * be looking for data_nodes below the last device found instead + * of the common fwnode shared by device_nodes and data_nodes. + */ + adev = to_acpi_device_node(fwnode); if (adev) head = &adev->data.subnodes; else if (data) diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index 316a0fc785e3..d556f2144de8 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -476,7 +476,7 @@ bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, } acpi_dev_get_irqresource(res, irq->interrupts[index], irq->triggering, irq->polarity, - irq->sharable, true); + irq->shareable, true); break; case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: ext_irq = &ares->data.extended_irq; @@ -487,7 +487,7 @@ bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, if (is_gsi(ext_irq)) acpi_dev_get_irqresource(res, ext_irq->interrupts[index], ext_irq->triggering, ext_irq->polarity, - ext_irq->sharable, false); + ext_irq->shareable, false); else acpi_dev_irqresource_disabled(res, 0); break; diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 5efd4219f112..566270d0e91a 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -763,18 +763,16 @@ acpi_bus_get_ejd(acpi_handle handle, acpi_handle *ejd) } EXPORT_SYMBOL_GPL(acpi_bus_get_ejd); -static int acpi_bus_extract_wakeup_device_power_package(acpi_handle handle, - struct acpi_device_wakeup *wakeup) +static int acpi_bus_extract_wakeup_device_power_package(struct acpi_device *dev) { + acpi_handle handle = dev->handle; + struct acpi_device_wakeup *wakeup = &dev->wakeup; struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; union acpi_object *package = NULL; union acpi_object *element = NULL; acpi_status status; int err = -ENODATA; - if (!wakeup) - return -EINVAL; - INIT_LIST_HEAD(&wakeup->resources); /* _PRW */ @@ -848,9 +846,9 @@ static int acpi_bus_extract_wakeup_device_power_package(acpi_handle handle, static bool acpi_wakeup_gpe_init(struct acpi_device *device) { static const struct acpi_device_id button_device_ids[] = { - {"PNP0C0C", 0}, - {"PNP0C0D", 0}, - {"PNP0C0E", 0}, + {"PNP0C0C", 0}, /* Power button */ + {"PNP0C0D", 0}, /* Lid */ + {"PNP0C0E", 0}, /* Sleep button */ {"", 0}, }; struct acpi_device_wakeup *wakeup = &device->wakeup; @@ -883,8 +881,7 @@ static void acpi_bus_get_wakeup_device_flags(struct acpi_device *device) if (!acpi_has_method(device->handle, "_PRW")) return; - err = acpi_bus_extract_wakeup_device_power_package(device->handle, - &device->wakeup); + err = acpi_bus_extract_wakeup_device_power_package(device); if (err) { dev_err(&device->dev, "_PRW evaluation error: %d\n", err); return; @@ -895,7 +892,7 @@ static void acpi_bus_get_wakeup_device_flags(struct acpi_device *device) /* * Call _PSW/_DSW object to disable its ability to wake the sleeping * system for the ACPI device with the _PRW object. - * The _PSW object is depreciated in ACPI 3.0 and is replaced by _DSW. + * The _PSW object is deprecated in ACPI 3.0 and is replaced by _DSW. * So it is necessary to call _DSW object first. Only when it is not * present will the _PSW object used. */ @@ -1545,6 +1542,7 @@ static bool acpi_device_enumeration_by_parent(struct acpi_device *device) */ static const struct acpi_device_id i2c_multi_instantiate_ids[] = { {"BSG1160", }, + {"BSG2150", }, {"INT33FE", }, {"INT3515", }, {} @@ -2240,10 +2238,10 @@ static struct acpi_probe_entry *ape; static int acpi_probe_count; static DEFINE_MUTEX(acpi_probe_mutex); -static int __init acpi_match_madt(struct acpi_subtable_header *header, +static int __init acpi_match_madt(union acpi_subtable_headers *header, const unsigned long end) { - if (!ape->subtable_valid || ape->subtable_valid(header, ape)) + if (!ape->subtable_valid || ape->subtable_valid(&header->common, ape)) if (!ape->probe_subtbl(header, end)) acpi_probe_count++; @@ -2259,7 +2257,7 @@ int __init __acpi_probe_device_table(struct acpi_probe_entry *ap_head, int nr) mutex_lock(&acpi_probe_mutex); for (ape = ap_head; nr; ape++, nr--) { - if (ACPI_COMPARE_NAME(ACPI_SIG_MADT, ape->id)) { + if (ACPI_COMPARE_NAMESEG(ACPI_SIG_MADT, ape->id)) { acpi_probe_count = 0; acpi_table_parse_madt(ape->type, acpi_match_madt, 0); count += acpi_probe_count; diff --git a/drivers/acpi/spcr.c b/drivers/acpi/spcr.c index c336784d0bcb..b34d05e365b7 100644 --- a/drivers/acpi/spcr.c +++ b/drivers/acpi/spcr.c @@ -28,7 +28,7 @@ EXPORT_SYMBOL(qdf2400_e44_present); /* * Some Qualcomm Datacenter Technologies SoCs have a defective UART BUSY bit. - * Detect them by examining the OEM fields in the SPCR header, similiar to PCI + * Detect them by examining the OEM fields in the SPCR header, similar to PCI * quirk detection in pci_mcfg.c. */ static bool qdf2400_erratum_44_present(struct acpi_table_header *h) diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c index 41324f0b1bee..75948a3f1a20 100644 --- a/drivers/acpi/sysfs.c +++ b/drivers/acpi/sysfs.c @@ -327,9 +327,9 @@ static struct kobject *hotplug_kobj; struct acpi_table_attr { struct bin_attribute attr; - char name[ACPI_NAME_SIZE]; + char name[ACPI_NAMESEG_SIZE]; int instance; - char filename[ACPI_NAME_SIZE+ACPI_INST_SIZE]; + char filename[ACPI_NAMESEG_SIZE+ACPI_INST_SIZE]; struct list_head node; }; @@ -368,10 +368,10 @@ static int acpi_table_attr_init(struct kobject *tables_obj, char instance_str[ACPI_INST_SIZE]; sysfs_attr_init(&table_attr->attr.attr); - ACPI_MOVE_NAME(table_attr->name, table_header->signature); + ACPI_COPY_NAMESEG(table_attr->name, table_header->signature); list_for_each_entry(attr, &acpi_table_attr_list, node) { - if (ACPI_COMPARE_NAME(table_attr->name, attr->name)) + if (ACPI_COMPARE_NAMESEG(table_attr->name, attr->name)) if (table_attr->instance < attr->instance) table_attr->instance = attr->instance; } @@ -382,8 +382,8 @@ static int acpi_table_attr_init(struct kobject *tables_obj, return -ERANGE; } - ACPI_MOVE_NAME(table_attr->filename, table_header->signature); - table_attr->filename[ACPI_NAME_SIZE] = '\0'; + ACPI_COPY_NAMESEG(table_attr->filename, table_header->signature); + table_attr->filename[ACPI_NAMESEG_SIZE] = '\0'; if (table_attr->instance > 1 || (table_attr->instance == 1 && !acpi_get_table (table_header->signature, 2, &header))) { @@ -484,7 +484,7 @@ static int acpi_table_data_init(struct acpi_table_header *th) int i; for (i = 0; i < NUM_ACPI_DATA_OBJS; i++) { - if (ACPI_COMPARE_NAME(th->signature, acpi_data_objs[i].name)) { + if (ACPI_COMPARE_NAMESEG(th->signature, acpi_data_objs[i].name)) { data_attr = kzalloc(sizeof(*data_attr), GFP_KERNEL); if (!data_attr) return -ENOMEM; @@ -648,26 +648,29 @@ static void acpi_global_event_handler(u32 event_type, acpi_handle device, } } -static int get_status(u32 index, acpi_event_status *status, +static int get_status(u32 index, acpi_event_status *ret, acpi_handle *handle) { - int result; + acpi_status status; if (index >= num_gpes + ACPI_NUM_FIXED_EVENTS) return -EINVAL; if (index < num_gpes) { - result = acpi_get_gpe_device(index, handle); - if (result) { + status = acpi_get_gpe_device(index, handle); + if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, AE_NOT_FOUND, "Invalid GPE 0x%x", index)); - return result; + return -ENXIO; } - result = acpi_get_gpe_status(*handle, index, status); - } else if (index < (num_gpes + ACPI_NUM_FIXED_EVENTS)) - result = acpi_get_event_status(index - num_gpes, status); + status = acpi_get_gpe_status(*handle, index, ret); + } else { + status = acpi_get_event_status(index - num_gpes, ret); + } + if (ACPI_FAILURE(status)) + return -EIO; - return result; + return 0; } static ssize_t counter_show(struct kobject *kobj, diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c index 48eabb6c2d4f..3b5d04fd5e3e 100644 --- a/drivers/acpi/tables.c +++ b/drivers/acpi/tables.c @@ -49,6 +49,16 @@ static struct acpi_table_desc initial_tables[ACPI_MAX_TABLES] __initdata; static int acpi_apic_instance __initdata; +enum acpi_subtable_type { + ACPI_SUBTABLE_COMMON, + ACPI_SUBTABLE_HMAT, +}; + +struct acpi_subtable_entry { + union acpi_subtable_headers *hdr; + enum acpi_subtable_type type; +}; + /* * Disable table checksum verification for the early stage due to the size * limitation of the current x86 early mapping implementation. @@ -217,6 +227,50 @@ void acpi_table_print_madt_entry(struct acpi_subtable_header *header) } } +static unsigned long __init +acpi_get_entry_type(struct acpi_subtable_entry *entry) +{ + switch (entry->type) { + case ACPI_SUBTABLE_COMMON: + return entry->hdr->common.type; + case ACPI_SUBTABLE_HMAT: + return entry->hdr->hmat.type; + } + return 0; +} + +static unsigned long __init +acpi_get_entry_length(struct acpi_subtable_entry *entry) +{ + switch (entry->type) { + case ACPI_SUBTABLE_COMMON: + return entry->hdr->common.length; + case ACPI_SUBTABLE_HMAT: + return entry->hdr->hmat.length; + } + return 0; +} + +static unsigned long __init +acpi_get_subtable_header_length(struct acpi_subtable_entry *entry) +{ + switch (entry->type) { + case ACPI_SUBTABLE_COMMON: + return sizeof(entry->hdr->common); + case ACPI_SUBTABLE_HMAT: + return sizeof(entry->hdr->hmat); + } + return 0; +} + +static enum acpi_subtable_type __init +acpi_get_subtable_type(char *id) +{ + if (strncmp(id, ACPI_SIG_HMAT, 4) == 0) + return ACPI_SUBTABLE_HMAT; + return ACPI_SUBTABLE_COMMON; +} + /** * acpi_parse_entries_array - for each proc_num find a suitable subtable * @@ -240,14 +294,13 @@ void acpi_table_print_madt_entry(struct acpi_subtable_header *header) * On success returns sum of all matching entries for all proc handlers. * Otherwise, -ENODEV or -EINVAL is returned. */ -static int __init -acpi_parse_entries_array(char *id, unsigned long table_size, +static int __init acpi_parse_entries_array(char *id, unsigned long table_size, struct acpi_table_header *table_header, struct acpi_subtable_proc *proc, int proc_num, unsigned int max_entries) { - struct acpi_subtable_header *entry; - unsigned long table_end; + struct acpi_subtable_entry entry; + unsigned long table_end, subtable_len, entry_len; int count = 0; int errs = 0; int i; @@ -270,19 +323,20 @@ acpi_parse_entries_array(char *id, unsigned long table_size, /* Parse all entries looking for a match. */ - entry = (struct acpi_subtable_header *) + entry.type = acpi_get_subtable_type(id); + entry.hdr = (union acpi_subtable_headers *) ((unsigned long)table_header + table_size); + subtable_len = acpi_get_subtable_header_length(&entry); - while (((unsigned long)entry) + sizeof(struct acpi_subtable_header) < - table_end) { + while (((unsigned long)entry.hdr) + subtable_len < table_end) { if (max_entries && count >= max_entries) break; for (i = 0; i < proc_num; i++) { - if (entry->type != proc[i].id) + if (acpi_get_entry_type(&entry) != proc[i].id) continue; if (!proc[i].handler || - (!errs && proc[i].handler(entry, table_end))) { + (!errs && proc[i].handler(entry.hdr, table_end))) { errs++; continue; } @@ -297,13 +351,14 @@ acpi_parse_entries_array(char *id, unsigned long table_size, * If entry->length is 0, break from this loop to avoid * infinite loop. */ - if (entry->length == 0) { + entry_len = acpi_get_entry_length(&entry); + if (entry_len == 0) { pr_err("[%4.4s:0x%02x] Invalid zero length\n", id, proc->id); return -EINVAL; } - entry = (struct acpi_subtable_header *) - ((unsigned long)entry + entry->length); + entry.hdr = (union acpi_subtable_headers *) + ((unsigned long)entry.hdr + entry_len); } if (max_entries && count > max_entries) { @@ -314,8 +369,7 @@ acpi_parse_entries_array(char *id, unsigned long table_size, return errs ? -EINVAL : count; } -int __init -acpi_table_parse_entries_array(char *id, +int __init acpi_table_parse_entries_array(char *id, unsigned long table_size, struct acpi_subtable_proc *proc, int proc_num, unsigned int max_entries) @@ -346,8 +400,7 @@ acpi_table_parse_entries_array(char *id, return count; } -int __init -acpi_table_parse_entries(char *id, +int __init acpi_table_parse_entries(char *id, unsigned long table_size, int entry_id, acpi_tbl_entry_handler handler, @@ -362,8 +415,7 @@ acpi_table_parse_entries(char *id, max_entries); } -int __init -acpi_table_parse_madt(enum acpi_madt_type id, +int __init acpi_table_parse_madt(enum acpi_madt_type id, acpi_tbl_entry_handler handler, unsigned int max_entries) { return acpi_table_parse_entries(ACPI_SIG_MADT, @@ -473,14 +525,22 @@ static DECLARE_BITMAP(acpi_initrd_installed, NR_ACPI_INITRD_TABLES); void __init acpi_table_upgrade(void) { - void *data = (void *)initrd_start; - size_t size = initrd_end - initrd_start; + void *data; + size_t size; int sig, no, table_nr = 0, total_offset = 0; long offset = 0; struct acpi_table_header *table; char cpio_path[32] = "kernel/firmware/acpi/"; struct cpio_data file; + if (IS_ENABLED(CONFIG_ACPI_TABLE_OVERRIDE_VIA_BUILTIN_INITRD)) { + data = __initramfs_start; + size = __initramfs_size; + } else { + data = (void *)initrd_start; + size = initrd_end - initrd_start; + } + if (data == NULL || size == 0) return; @@ -662,8 +722,8 @@ static void __init acpi_table_initrd_scan(void) table_length = table->length; /* Skip RSDT/XSDT which should only be used for override */ - if (ACPI_COMPARE_NAME(table->signature, ACPI_SIG_RSDT) || - ACPI_COMPARE_NAME(table->signature, ACPI_SIG_XSDT)) { + if (ACPI_COMPARE_NAMESEG(table->signature, ACPI_SIG_RSDT) || + ACPI_COMPARE_NAMESEG(table->signature, ACPI_SIG_XSDT)) { acpi_os_unmap_memory(table, ACPI_HEADER_SIZE); goto next_table; } @@ -717,8 +777,7 @@ static void *amlcode __attribute__ ((weakref("AmlCode"))); static void *dsdt_amlcode __attribute__ ((weakref("dsdt_aml_code"))); #endif -acpi_status -acpi_os_table_override(struct acpi_table_header *existing_table, +acpi_status acpi_os_table_override(struct acpi_table_header *existing_table, struct acpi_table_header **new_table) { if (!existing_table || !new_table) @@ -780,7 +839,6 @@ static int __init acpi_parse_apic_instance(char *str) return 0; } - early_param("acpi_apic_instance", acpi_parse_apic_instance); static int __init acpi_force_table_verification_setup(char *s) @@ -789,7 +847,6 @@ static int __init acpi_force_table_verification_setup(char *s) return 0; } - early_param("acpi_force_table_verification", acpi_force_table_verification_setup); static int __init acpi_force_32bit_fadt_addr(char *s) @@ -799,5 +856,4 @@ static int __init acpi_force_32bit_fadt_addr(char *s) return 0; } - early_param("acpi_force_32bit_fadt_addr", acpi_force_32bit_fadt_addr); diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c index 78db97687f26..89363b245489 100644 --- a/drivers/acpi/utils.c +++ b/drivers/acpi/utils.c @@ -739,6 +739,7 @@ EXPORT_SYMBOL(acpi_dev_found); struct acpi_dev_match_info { const char *dev_name; + struct acpi_device *adev; struct acpi_device_id hid[2]; const char *uid; s64 hrv; @@ -759,6 +760,7 @@ static int acpi_dev_match_cb(struct device *dev, void *data) return 0; match->dev_name = acpi_dev_name(adev); + match->adev = adev; if (match->hrv == -1) return 1; @@ -800,23 +802,26 @@ bool acpi_dev_present(const char *hid, const char *uid, s64 hrv) match.hrv = hrv; dev = bus_find_device(&acpi_bus_type, NULL, &match, acpi_dev_match_cb); + put_device(dev); return !!dev; } EXPORT_SYMBOL(acpi_dev_present); /** - * acpi_dev_get_first_match_name - Return name of first match of ACPI device + * acpi_dev_get_first_match_dev - Return the first match of ACPI device * @hid: Hardware ID of the device. * @uid: Unique ID of the device, pass NULL to not check _UID * @hrv: Hardware Revision of the device, pass -1 to not check _HRV * - * Return device name if a matching device was present + * Return the first match of ACPI device if a matching device was present * at the moment of invocation, or NULL otherwise. * + * The caller is responsible to call put_device() on the returned device. + * * See additional information in acpi_dev_present() as well. */ -const char * -acpi_dev_get_first_match_name(const char *hid, const char *uid, s64 hrv) +struct acpi_device * +acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv) { struct acpi_dev_match_info match = {}; struct device *dev; @@ -826,9 +831,9 @@ acpi_dev_get_first_match_name(const char *hid, const char *uid, s64 hrv) match.hrv = hrv; dev = bus_find_device(&acpi_bus_type, NULL, &match, acpi_dev_match_cb); - return dev ? match.dev_name : NULL; + return dev ? match.adev : NULL; } -EXPORT_SYMBOL(acpi_dev_get_first_match_name); +EXPORT_SYMBOL(acpi_dev_get_first_match_dev); /* * acpi_backlight= handling, this is done here rather then in video_detect.c diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index 43587ac680e4..31014c7d3793 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -112,7 +112,7 @@ static int video_detect_force_none(const struct dmi_system_id *d) static const struct dmi_system_id video_detect_dmi_table[] = { /* On Samsung X360, the BIOS will set a flag (VDRV) if generic * ACPI backlight device is used. This flag will definitively break - * the backlight interface (even the vendor interface) untill next + * the backlight interface (even the vendor interface) until next * reboot. It's why we should prevent video.ko from being used here * and we can't rely on a later call to acpi_video_unregister(). */ @@ -141,6 +141,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "UL30A"), }, }, + { + .callback = video_detect_force_vendor, + .ident = "Sony VPCEH3U1E", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "VPCEH3U1E"), + }, + }, /* * These models have a working acpi_video backlight control, and using diff --git a/drivers/acpi/x86/utils.c b/drivers/acpi/x86/utils.c index 9a8e286dd86f..c6df14802741 100644 --- a/drivers/acpi/x86/utils.c +++ b/drivers/acpi/x86/utils.c @@ -56,6 +56,11 @@ static const struct always_present_id always_present_ids[] = { */ ENTRY("80860F09", "1", ICPU(INTEL_FAM6_ATOM_SILVERMONT), {}), ENTRY("80862288", "1", ICPU(INTEL_FAM6_ATOM_AIRMONT), {}), + + /* Lenovo Yoga Book uses PWM2 for keyboard backlight control */ + ENTRY("80862289", "2", ICPU(INTEL_FAM6_ATOM_AIRMONT), { + DMI_MATCH(DMI_PRODUCT_NAME, "Lenovo YB1-X9"), + }), /* * The INT0002 device is necessary to clear wakeup interrupt sources * on Cherry Trail devices, without it we get nobody cared IRQ msgs. |
