diff options
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/acpica/Makefile | 1 | ||||
| -rw-r--r-- | drivers/acpi/acpica/aclocal.h | 17 | ||||
| -rw-r--r-- | drivers/acpi/acpica/acnamesp.h | 43 | ||||
| -rw-r--r-- | drivers/acpi/acpica/acpredef.h | 4 | ||||
| -rw-r--r-- | drivers/acpi/acpica/acstruct.h | 40 | ||||
| -rw-r--r-- | drivers/acpi/acpica/evgpe.c | 1 | ||||
| -rw-r--r-- | drivers/acpi/acpica/evregion.c | 2 | ||||
| -rw-r--r-- | drivers/acpi/acpica/hwxface.c | 6 | ||||
| -rw-r--r-- | drivers/acpi/acpica/nsarguments.c | 294 | ||||
| -rw-r--r-- | drivers/acpi/acpica/nseval.c | 247 | ||||
| -rw-r--r-- | drivers/acpi/acpica/nsinit.c | 7 | ||||
| -rw-r--r-- | drivers/acpi/acpica/nspredef.c | 201 | ||||
| -rw-r--r-- | drivers/acpi/acpica/nsprepkg.c | 76 | ||||
| -rw-r--r-- | drivers/acpi/acpica/nsrepair.c | 50 | ||||
| -rw-r--r-- | drivers/acpi/acpica/nsrepair2.c | 87 | ||||
| -rw-r--r-- | drivers/acpi/acpica/nsxfeval.c | 162 | ||||
| -rw-r--r-- | drivers/acpi/acpica/psxface.c | 14 | ||||
| -rw-r--r-- | drivers/acpi/acpica/rsutils.c | 2 | ||||
| -rw-r--r-- | drivers/acpi/acpica/uteval.c | 2 | ||||
| -rw-r--r-- | drivers/acpi/acpica/utpredef.c | 16 |
20 files changed, 798 insertions, 474 deletions
diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile index 7ddf29eca9f5..29b3dab401ec 100644 --- a/drivers/acpi/acpica/Makefile +++ b/drivers/acpi/acpica/Makefile @@ -83,6 +83,7 @@ acpi-$(ACPI_FUTURE_USAGE) += hwtimer.o acpi-y += \ nsaccess.o \ nsalloc.o \ + nsarguments.o \ nsconvert.o \ nsdump.o \ nseval.o \ diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h index d5bfbd331bfd..dfed26545ba2 100644 --- a/drivers/acpi/acpica/aclocal.h +++ b/drivers/acpi/acpica/aclocal.h @@ -362,23 +362,6 @@ union acpi_predefined_info { #pragma pack() -/* Data block used during object validation */ - -struct acpi_predefined_data { - char *pathname; - const union acpi_predefined_info *predefined; - union acpi_operand_object *parent_package; - struct acpi_namespace_node *node; - u32 flags; - u32 return_btype; - u8 node_flags; -}; - -/* Defines for Flags field above */ - -#define ACPI_OBJECT_REPAIRED 1 -#define ACPI_OBJECT_WRAPPED 2 - /* Return object auto-repair info */ typedef acpi_status(*acpi_object_converter) (union acpi_operand_object diff --git a/drivers/acpi/acpica/acnamesp.h b/drivers/acpi/acpica/acnamesp.h index d2e491876bc0..b83dc32a5ae0 100644 --- a/drivers/acpi/acpica/acnamesp.h +++ b/drivers/acpi/acpica/acnamesp.h @@ -223,22 +223,33 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info); void acpi_ns_exec_module_code_list(void); /* - * nspredef - Support for predefined/reserved names + * nsarguments - Argument count/type checking for predefined/reserved names */ -acpi_status -acpi_ns_check_predefined_names(struct acpi_namespace_node *node, - u32 user_param_count, - acpi_status return_status, - union acpi_operand_object **return_object); +void +acpi_ns_check_argument_count(char *pathname, + struct acpi_namespace_node *node, + u32 user_param_count, + const union acpi_predefined_info *info); void -acpi_ns_check_parameter_count(char *pathname, +acpi_ns_check_acpi_compliance(char *pathname, struct acpi_namespace_node *node, - u32 user_param_count, - const union acpi_predefined_info *info); + const union acpi_predefined_info *predefined); + +void acpi_ns_check_argument_types(struct acpi_evaluate_info *info); + +/* + * nspredef - Return value checking for predefined/reserved names + */ +acpi_status +acpi_ns_check_return_value(struct acpi_namespace_node *node, + struct acpi_evaluate_info *info, + u32 user_param_count, + acpi_status return_status, + union acpi_operand_object **return_object); acpi_status -acpi_ns_check_object_type(struct acpi_predefined_data *data, +acpi_ns_check_object_type(struct acpi_evaluate_info *info, union acpi_operand_object **return_object_ptr, u32 expected_btypes, u32 package_index); @@ -246,7 +257,7 @@ acpi_ns_check_object_type(struct acpi_predefined_data *data, * nsprepkg - Validation of predefined name packages */ acpi_status -acpi_ns_check_package(struct acpi_predefined_data *data, +acpi_ns_check_package(struct acpi_evaluate_info *info, union acpi_operand_object **return_object_ptr); /* @@ -308,24 +319,24 @@ acpi_ns_get_attached_data(struct acpi_namespace_node *node, * predefined methods/objects */ acpi_status -acpi_ns_simple_repair(struct acpi_predefined_data *data, +acpi_ns_simple_repair(struct acpi_evaluate_info *info, u32 expected_btypes, u32 package_index, union acpi_operand_object **return_object_ptr); acpi_status -acpi_ns_wrap_with_package(struct acpi_predefined_data *data, +acpi_ns_wrap_with_package(struct acpi_evaluate_info *info, union acpi_operand_object *original_object, union acpi_operand_object **obj_desc_ptr); acpi_status -acpi_ns_repair_null_element(struct acpi_predefined_data *data, +acpi_ns_repair_null_element(struct acpi_evaluate_info *info, u32 expected_btypes, u32 package_index, union acpi_operand_object **return_object_ptr); void -acpi_ns_remove_null_elements(struct acpi_predefined_data *data, +acpi_ns_remove_null_elements(struct acpi_evaluate_info *info, u8 package_type, union acpi_operand_object *obj_desc); @@ -334,7 +345,7 @@ acpi_ns_remove_null_elements(struct acpi_predefined_data *data, * predefined methods/objects */ acpi_status -acpi_ns_complex_repairs(struct acpi_predefined_data *data, +acpi_ns_complex_repairs(struct acpi_evaluate_info *info, struct acpi_namespace_node *node, acpi_status validate_status, union acpi_operand_object **return_object_ptr); diff --git a/drivers/acpi/acpica/acpredef.h b/drivers/acpi/acpica/acpredef.h index b22b70944fd6..f600aded7261 100644 --- a/drivers/acpi/acpica/acpredef.h +++ b/drivers/acpi/acpica/acpredef.h @@ -128,8 +128,8 @@ enum acpi_return_package_types { #define ARG_COUNT_IS_MINIMUM 0x8000 #define METHOD_MAX_ARG_TYPE ACPI_TYPE_PACKAGE -#define METHOD_GET_COUNT(arg_list) (arg_list & METHOD_ARG_MASK) -#define METHOD_GET_NEXT_ARG(arg_list) (arg_list >> METHOD_ARG_BIT_WIDTH) +#define METHOD_GET_ARG_COUNT(arg_list) ((arg_list) & METHOD_ARG_MASK) +#define METHOD_GET_NEXT_TYPE(arg_list) (((arg_list) >>= METHOD_ARG_BIT_WIDTH) & METHOD_ARG_MASK) /* Macros used to build the predefined info table */ diff --git a/drivers/acpi/acpica/acstruct.h b/drivers/acpi/acpica/acstruct.h index 7896d85876ca..fc83c0a5ca70 100644 --- a/drivers/acpi/acpica/acstruct.h +++ b/drivers/acpi/acpica/acstruct.h @@ -178,25 +178,41 @@ union acpi_aml_operands { }; /* - * Structure used to pass object evaluation parameters. + * Structure used to pass object evaluation information and parameters. * Purpose is to reduce CPU stack use. */ struct acpi_evaluate_info { - struct acpi_namespace_node *prefix_node; - char *pathname; - union acpi_operand_object *obj_desc; - union acpi_operand_object **parameters; - struct acpi_namespace_node *resolved_node; - union acpi_operand_object *return_object; - u8 param_count; - u8 pass_number; - u8 return_object_type; - u8 flags; + /* The first 3 elements are passed by the caller to acpi_ns_evaluate */ + + struct acpi_namespace_node *prefix_node; /* Input: starting node */ + char *relative_pathname; /* Input: path relative to prefix_node */ + union acpi_operand_object **parameters; /* Input: argument list */ + + struct acpi_namespace_node *node; /* Resolved node (prefix_node:relative_pathname) */ + union acpi_operand_object *obj_desc; /* Object attached to the resolved node */ + char *full_pathname; /* Full pathname of the resolved node */ + + const union acpi_predefined_info *predefined; /* Used if Node is a predefined name */ + union acpi_operand_object *return_object; /* Object returned from the evaluation */ + union acpi_operand_object *parent_package; /* Used if return object is a Package */ + + u32 return_flags; /* Used for return value analysis */ + u32 return_btype; /* Bitmapped type of the returned object */ + u16 param_count; /* Count of the input argument list */ + u8 pass_number; /* Parser pass number */ + u8 return_object_type; /* Object type of the returned object */ + u8 node_flags; /* Same as Node->Flags */ + u8 flags; /* General flags */ }; /* Values for Flags above */ -#define ACPI_IGNORE_RETURN_VALUE 1 +#define ACPI_IGNORE_RETURN_VALUE 1 + +/* Defines for return_flags field above */ + +#define ACPI_OBJECT_REPAIRED 1 +#define ACPI_OBJECT_WRAPPED 2 /* Info used by acpi_ns_initialize_devices */ diff --git a/drivers/acpi/acpica/evgpe.c b/drivers/acpi/acpica/evgpe.c index a493b528f8f9..ae50d6cc535f 100644 --- a/drivers/acpi/acpica/evgpe.c +++ b/drivers/acpi/acpica/evgpe.c @@ -579,7 +579,6 @@ static void ACPI_SYSTEM_XFACE acpi_ev_asynch_execute_gpe_method(void *context) (local_gpe_event_info->dispatch. method_node))); } - break; default: diff --git a/drivers/acpi/acpica/evregion.c b/drivers/acpi/acpica/evregion.c index 6555e350fc1f..8ae8f5b33bd9 100644 --- a/drivers/acpi/acpica/evregion.c +++ b/drivers/acpi/acpica/evregion.c @@ -532,7 +532,7 @@ acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function) } info->prefix_node = region_obj2->extra.method_REG; - info->pathname = NULL; + info->relative_pathname = NULL; info->parameters = args; info->flags = ACPI_IGNORE_RETURN_VALUE; diff --git a/drivers/acpi/acpica/hwxface.c b/drivers/acpi/acpica/hwxface.c index 04c2e16f2c0a..f4224e6f4e7a 100644 --- a/drivers/acpi/acpica/hwxface.c +++ b/drivers/acpi/acpica/hwxface.c @@ -495,7 +495,7 @@ acpi_get_sleep_type_data(u8 sleep_state, u8 *sleep_type_a, u8 *sleep_type_b) * Evaluate the \_Sx namespace object containing the register values * for this state */ - info->pathname = + info->relative_pathname = ACPI_CAST_PTR(char, acpi_gbl_sleep_state_names[sleep_state]); status = acpi_ns_evaluate(info); if (ACPI_FAILURE(status)) { @@ -506,7 +506,7 @@ acpi_get_sleep_type_data(u8 sleep_state, u8 *sleep_type_a, u8 *sleep_type_b) if (!info->return_object) { ACPI_ERROR((AE_INFO, "No Sleep State object returned from [%s]", - info->pathname)); + info->relative_pathname)); status = AE_AML_NO_RETURN_VALUE; goto cleanup; } @@ -565,7 +565,7 @@ acpi_get_sleep_type_data(u8 sleep_state, u8 *sleep_type_a, u8 *sleep_type_b) if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, status, "While evaluating Sleep State [%s]", - info->pathname)); + info->relative_pathname)); } ACPI_FREE(info); diff --git a/drivers/acpi/acpica/nsarguments.c b/drivers/acpi/acpica/nsarguments.c new file mode 100644 index 000000000000..74b24c82707e --- /dev/null +++ b/drivers/acpi/acpica/nsarguments.c @@ -0,0 +1,294 @@ +/****************************************************************************** + * + * Module Name: nsarguments - Validation of args for ACPI predefined methods + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2013, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include <acpi/acpi.h> +#include "accommon.h" +#include "acnamesp.h" +#include "acpredef.h" + +#define _COMPONENT ACPI_NAMESPACE +ACPI_MODULE_NAME("nsarguments") + +/******************************************************************************* + * + * FUNCTION: acpi_ns_check_argument_types + * + * PARAMETERS: info - Method execution information block + * + * RETURN: None + * + * DESCRIPTION: Check the incoming argument count and all argument types + * against the argument type list for a predefined name. + * + ******************************************************************************/ +void acpi_ns_check_argument_types(struct acpi_evaluate_info *info) +{ + u16 arg_type_list; + u8 arg_count; + u8 arg_type; + u8 user_arg_type; + u32 i; + + /* If not a predefined name, cannot typecheck args */ + + if (!info->predefined) { + return; + } + + arg_type_list = info->predefined->info.argument_list; + arg_count = METHOD_GET_ARG_COUNT(arg_type_list); + + /* Typecheck all arguments */ + + for (i = 0; ((i < arg_count) && (i < info->param_count)); i++) { + arg_type = METHOD_GET_NEXT_TYPE(arg_type_list); + user_arg_type = info->parameters[i]->common.type; + + if (user_arg_type != arg_type) { + ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname, + ACPI_WARN_ALWAYS, + "Argument #%u type mismatch - " + "Found [%s], ACPI requires [%s]", + (i + 1), + acpi_ut_get_type_name + (user_arg_type), + acpi_ut_get_type_name(arg_type))); + } + } +} + +/******************************************************************************* + * + * FUNCTION: acpi_ns_check_acpi_compliance + * + * PARAMETERS: pathname - Full pathname to the node (for error msgs) + * node - Namespace node for the method/object + * predefined - Pointer to entry in predefined name table + * + * RETURN: None + * + * DESCRIPTION: Check that the declared parameter count (in ASL/AML) for a + * predefined name is what is expected (matches what is defined in + * the ACPI specification for this predefined name.) + * + ******************************************************************************/ + +void +acpi_ns_check_acpi_compliance(char *pathname, + struct acpi_namespace_node *node, + const union acpi_predefined_info *predefined) +{ + u32 aml_param_count; + u32 required_param_count; + + if (!predefined) { + return; + } + + /* Get the ACPI-required arg count from the predefined info table */ + + required_param_count = + METHOD_GET_ARG_COUNT(predefined->info.argument_list); + + /* + * If this object is not a control method, we can check if the ACPI + * spec requires that it be a method. + */ + if (node->type != ACPI_TYPE_METHOD) { + if (required_param_count > 0) { + + /* Object requires args, must be implemented as a method */ + + ACPI_BIOS_ERROR_PREDEFINED((AE_INFO, pathname, + ACPI_WARN_ALWAYS, + "Object (%s) must be a control method with %u arguments", + acpi_ut_get_type_name(node-> + type), + required_param_count)); + } else if (!required_param_count + && !predefined->info.expected_btypes) { + + /* Object requires no args and no return value, must be a method */ + + ACPI_BIOS_ERROR_PREDEFINED((AE_INFO, pathname, + ACPI_WARN_ALWAYS, + "Object (%s) must be a control method " + "with no arguments and no return value", + acpi_ut_get_type_name(node-> + type))); + } + + return; + } + + /* + * This is a control method. + * Check that the ASL/AML-defined parameter count for this method + * matches the ACPI-required parameter count + * + * Some methods are allowed to have a "minimum" number of args (_SCP) + * because their definition in ACPI has changed over time. + * + * Note: These are BIOS errors in the declaration of the object + */ + aml_param_count = node->object->method.param_count; + + if (aml_param_count < required_param_count) { + ACPI_BIOS_ERROR_PREDEFINED((AE_INFO, pathname, ACPI_WARN_ALWAYS, + "Insufficient arguments - " + "ASL declared %u, ACPI requires %u", + aml_param_count, + required_param_count)); + } else if ((aml_param_count > required_param_count) + && !(predefined->info. + argument_list & ARG_COUNT_IS_MINIMUM)) { + ACPI_BIOS_ERROR_PREDEFINED((AE_INFO, pathname, ACPI_WARN_ALWAYS, + "Excess arguments - " + "ASL declared %u, ACPI requires %u", + aml_param_count, + required_param_count)); + } +} + +/******************************************************************************* + * + * FUNCTION: acpi_ns_check_argument_count + * + * PARAMETERS: pathname - Full pathname to the node (for error msgs) + * node - Namespace node for the method/object + * user_param_count - Number of args passed in by the caller + * predefined - Pointer to entry in predefined name table + * + * RETURN: None + * + * DESCRIPTION: Check that incoming argument count matches the declared + * parameter count (in the ASL/AML) for an object. + * + ******************************************************************************/ + +void +acpi_ns_check_argument_count(char *pathname, + struct acpi_namespace_node *node, + u32 user_param_count, + const union acpi_predefined_info *predefined) +{ + u32 aml_param_count; + u32 required_param_count; + + if (!predefined) { + /* + * Not a predefined name. Check the incoming user argument count + * against the count that is specified in the method/object. + */ + if (node->type != ACPI_TYPE_METHOD) { + if (user_param_count) { + ACPI_INFO_PREDEFINED((AE_INFO, pathname, + ACPI_WARN_ALWAYS, + "%u arguments were passed to a non-method ACPI object (%s)", + user_param_count, + acpi_ut_get_type_name + (node->type))); + } + + return; + } + + /* + * This is a control method. Check the parameter count. + * We can only check the incoming argument count against the + * argument count declared for the method in the ASL/AML. + * + * Emit a message if too few or too many arguments have been passed + * by the caller. + * + * Note: Too many arguments will not cause the method to + * fail. However, the method will fail if there are too few + * arguments and the method attempts to use one of the missing ones. + */ + aml_param_count = node->object->method.param_count; + + if (user_param_count < aml_param_count) { + ACPI_WARN_PREDEFINED((AE_INFO, pathname, + ACPI_WARN_ALWAYS, + "Insufficient arguments - " + "Caller passed %u, method requires %u", + user_param_count, + aml_param_count)); + } else if (user_param_count > aml_param_count) { + ACPI_INFO_PREDEFINED((AE_INFO, pathname, + ACPI_WARN_ALWAYS, + "Excess arguments - " + "Caller passed %u, method requires %u", + user_param_count, + aml_param_count)); + } + + return; + } + + /* + * This is a predefined name. Validate the user-supplied parameter + * count against the ACPI specification. We don't validate against + * the method itself because what is important here is that the + * caller is in conformance with the spec. (The arg count for the + * method was checked against the ACPI spec earlier.) + * + * Some methods are allowed to have a "minimum" number of args (_SCP) + * because their definition in ACPI has changed over time. + */ + required_param_count = + METHOD_GET_ARG_COUNT(predefined->info.argument_list); + + if (user_param_count < required_param_count) { + ACPI_WARN_PREDEFINED((AE_INFO, pathname, ACPI_WARN_ALWAYS, + "Insufficient arguments - " + "Caller passed %u, ACPI requires %u", + user_param_count, required_param_count)); + } else if ((user_param_count > required_param_count) && + !(predefined->info.argument_list & ARG_COUNT_IS_MINIMUM)) { + ACPI_INFO_PREDEFINED((AE_INFO, pathname, ACPI_WARN_ALWAYS, + "Excess arguments - " + "Caller passed %u, ACPI requires %u", + user_param_count, required_param_count)); + } +} diff --git a/drivers/acpi/acpica/nseval.c b/drivers/acpi/acpica/nseval.c index b61db69d5675..18108bc2e51c 100644 --- a/drivers/acpi/acpica/nseval.c +++ b/drivers/acpi/acpica/nseval.c @@ -61,7 +61,7 @@ acpi_ns_exec_module_code(union acpi_operand_object *method_obj, * * PARAMETERS: info - Evaluation info block, contains: * prefix_node - Prefix or Method/Object Node to execute - * pathname - Name of method to execute, If NULL, the + * relative_path - Name of method to execute, If NULL, the * Node is the object to execute * parameters - List of parameters to pass to the method, * terminated by NULL. Params itself may be @@ -82,10 +82,9 @@ acpi_ns_exec_module_code(union acpi_operand_object *method_obj, * ******************************************************************************/ -acpi_status acpi_ns_evaluate(struct acpi_evaluate_info * info) +acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info) { acpi_status status; - struct acpi_namespace_node *node; ACPI_FUNCTION_TRACE(ns_evaluate); @@ -93,83 +92,138 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info * info) return_ACPI_STATUS(AE_BAD_PARAMETER); } - /* Initialize the return value to an invalid object */ - - info->return_object = NULL; - info->param_count = 0; - - if (!info->resolved_node) { + if (!info->node) { /* - * Get the actual namespace node for the target object if we need to. - * Handles these cases: + * Get the actual namespace node for the target object if we + * need to. Handles these cases: * - * 1) Null node, Pathname (absolute path) - * 2) Node, Pathname (path relative to Node) - * 3) Node, Null Pathname + * 1) Null node, valid pathname from root (absolute path) + * 2) Node and valid pathname (path relative to Node) + * 3) Node, Null pathname */ - status = acpi_ns_get_node(info->prefix_node, info->pathname, - ACPI_NS_NO_UPSEARCH, - &info->resolved_node); + status = + acpi_ns_get_node(info->prefix_node, info->relative_pathname, + ACPI_NS_NO_UPSEARCH, &info->node); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } } /* - * For a method alias, we must grab the actual method node so that proper - * scoping context will be established before execution. + * For a method alias, we must grab the actual method node so that + * proper scoping context will be established before execution. */ - if (acpi_ns_get_type(info->resolved_node) == - ACPI_TYPE_LOCAL_METHOD_ALIAS) { - info->resolved_node = + if (acpi_ns_get_type(info->node) == ACPI_TYPE_LOCAL_METHOD_ALIAS) { + info->node = ACPI_CAST_PTR(struct acpi_namespace_node, - info->resolved_node->object); + info->node->object); + } + + /* Complete the info block initialization */ + + info->return_object = NULL; + info->node_flags = info->node->flags; + info->obj_desc = acpi_ns_get_attached_object(info->node); + + ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "%s [%p] Value %p\n", + info->relative_pathname, info->node, + acpi_ns_get_attached_object(info->node))); + + /* Get info if we have a predefined name (_HID, etc.) */ + + info->predefined = + acpi_ut_match_predefined_method(info->node->name.ascii); + + /* Get the full pathname to the object, for use in warning messages */ + + info->full_pathname = acpi_ns_get_external_pathname(info->node); + if (!info->full_pathname) { + return_ACPI_STATUS(AE_NO_MEMORY); } - ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "%s [%p] Value %p\n", info->pathname, - info->resolved_node, - acpi_ns_get_attached_object(info->resolved_node))); + /* Count the number of arguments being passed in */ + + info->param_count = 0; + if (info->parameters) { + while (info->parameters[info->param_count]) { + info->param_count++; + } + + /* Warn on impossible argument count */ + + if (info->param_count > ACPI_METHOD_NUM_ARGS) { + ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname, + ACPI_WARN_ALWAYS, + "Excess arguments (%u) - using only %u", + info->param_count, + ACPI_METHOD_NUM_ARGS)); + + info->param_count = ACPI_METHOD_NUM_ARGS; + } + } + + /* + * For predefined names: Check that the declared argument count + * matches the ACPI spec -- otherwise this is a BIOS error. + */ + acpi_ns_check_acpi_compliance(info->full_pathname, info->node, + info->predefined); + + /* + * For all names: Check that the incoming argument count for + * this method/object matches the actual ASL/AML definition. + */ + acpi_ns_check_argument_count(info->full_pathname, info->node, + info->param_count, info->predefined); - node = info->resolved_node; + /* For predefined names: Typecheck all incoming arguments */ + + acpi_ns_check_argument_types(info); /* - * Two major cases here: + * Three major evaluation cases: * - * 1) The object is a control method -- execute it - * 2) The object is not a method -- just return it's current value + * 1) Object types that cannot be evaluated by definition + * 2) The object is a control method -- execute it + * 3) The object is not a method -- just return it's current value */ - if (acpi_ns_get_type(info->resolved_node) == ACPI_TYPE_METHOD) { + switch (acpi_ns_get_type(info->node)) { + case ACPI_TYPE_DEVICE: + case ACPI_TYPE_EVENT: + case ACPI_TYPE_MUTEX: + case ACPI_TYPE_REGION: + case ACPI_TYPE_THERMAL: + case ACPI_TYPE_LOCAL_SCOPE: + /* + * 1) Disallow evaluation of certain object types. For these, + * object evaluation is undefined and not supported. + */ + ACPI_ERROR((AE_INFO, + "%s: Evaluation of object type [%s] is not supported", + info->full_pathname, + acpi_ut_get_type_name(info->node->type))); + + status = AE_TYPE; + goto cleanup; + + case ACPI_TYPE_METHOD: /* - * 1) Object is a control method - execute it + * 2) Object is a control method - execute it */ /* Verify that there is a method object associated with this node */ - info->obj_desc = - acpi_ns_get_attached_object(info->resolved_node); if (!info->obj_desc) { ACPI_ERROR((AE_INFO, - "Control method has no attached sub-object")); - return_ACPI_STATUS(AE_NULL_OBJECT); + "%s: Method has no attached sub-object", + info->full_pathname)); + status = AE_NULL_OBJECT; + goto cleanup; } - /* Count the number of arguments being passed to the method */ - - if (info->parameters) { - while (info->parameters[info->param_count]) { - if (info->param_count > ACPI_METHOD_MAX_ARG) { - return_ACPI_STATUS(AE_LIMIT); - } - info->param_count++; - } - } - - - ACPI_DUMP_PATHNAME(info->resolved_node, "ACPI: Execute Method", - ACPI_LV_INFO, _COMPONENT); - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "Method at AML address %p Length %X\n", + "**** Execute method [%s] at AML address %p length %X\n", + info->full_pathname, info->obj_desc->method.aml_start + 1, info->obj_desc->method.aml_length - 1)); @@ -184,81 +238,61 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info * info) acpi_ex_enter_interpreter(); status = acpi_ps_execute_method(info); acpi_ex_exit_interpreter(); - } else { + break; + + default: /* - * 2) Object is not a method, return its current value - * - * Disallow certain object types. For these, "evaluation" is undefined. + * 3) All other non-method objects -- get the current object value */ - switch (info->resolved_node->type) { - case ACPI_TYPE_DEVICE: - case ACPI_TYPE_EVENT: - case ACPI_TYPE_MUTEX: - case ACPI_TYPE_REGION: - case ACPI_TYPE_THERMAL: - case ACPI_TYPE_LOCAL_SCOPE: - - ACPI_ERROR((AE_INFO, - "[%4.4s] Evaluation of object type [%s] is not supported", - info->resolved_node->name.ascii, - acpi_ut_get_type_name(info->resolved_node-> - type))); - - return_ACPI_STATUS(AE_TYPE); - - default: - break; - } /* - * Objects require additional resolution steps (e.g., the Node may be - * a field that must be read, etc.) -- we can't just grab the object - * out of the node. + * Some objects require additional resolution steps (e.g., the Node + * may be a field that must be read, etc.) -- we can't just grab + * the object out of the node. * * Use resolve_node_to_value() to get the associated value. * * NOTE: we can get away with passing in NULL for a walk state because - * resolved_node is guaranteed to not be a reference to either a method + * the Node is guaranteed to not be a reference to either a method * local or a method argument (because this interface is never called * from a running method.) * * Even though we do not directly invoke the interpreter for object - * resolution, we must lock it because we could access an opregion. - * The opregion access code assumes that the interpreter is locked. + * resolution, we must lock it because we could access an op_region. + * The op_region access code assumes that the interpreter is locked. */ acpi_ex_enter_interpreter(); - /* Function has a strange interface */ + /* TBD: resolve_node_to_value has a strange interface, fix */ + + info->return_object = + ACPI_CAST_PTR(union acpi_operand_object, info->node); status = - acpi_ex_resolve_node_to_value(&info->resolved_node, NULL); + acpi_ex_resolve_node_to_value(ACPI_CAST_INDIRECT_PTR + (struct acpi_namespace_node, + &info->return_object), NULL); acpi_ex_exit_interpreter(); - /* - * If acpi_ex_resolve_node_to_value() succeeded, the return value was placed - * in resolved_node. - */ - if (ACPI_SUCCESS(status)) { - status = AE_CTRL_RETURN_VALUE; - info->return_object = - ACPI_CAST_PTR(union acpi_operand_object, - info->resolved_node); - - ACPI_DEBUG_PRINT((ACPI_DB_NAMES, - "Returning object %p [%s]\n", - info->return_object, - acpi_ut_get_object_type_name(info-> - return_object))); + if (ACPI_FAILURE(status)) { + goto cleanup; } + + ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "Returned object %p [%s]\n", + info->return_object, + acpi_ut_get_object_type_name(info-> + return_object))); + + status = AE_CTRL_RETURN_VALUE; /* Always has a "return value" */ + break; } /* - * Check input argument count against the ASL-defined count for a method. - * Also check predefined names: argument count and return value against - * the ACPI specification. Some incorrect return value types are repaired. + * For predefined names, check the return value against the ACPI + * specification. Some incorrect return value types are repaired. */ - (void)acpi_ns_check_predefined_names(node, info->param_count, - status, &info->return_object); + (void)acpi_ns_check_return_value(info->node, info, info->param_count, + status, &info->return_object); /* Check if there is a return value that must be dealt with */ @@ -278,12 +312,15 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info * info) ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "*** Completed evaluation of object %s ***\n", - info->pathname)); + info->relative_pathname)); + cleanup: /* * Namespace was unlocked by the handling acpi_ns* function, so we - * just return + * just free the pathname and return */ + ACPI_FREE(info->full_pathname); + info->full_pathname = NULL; return_ACPI_STATUS(status); } diff --git a/drivers/acpi/acpica/nsinit.c b/drivers/acpi/acpica/nsinit.c index 46f0f83417a1..23e426f7fd1a 100644 --- a/drivers/acpi/acpica/nsinit.c +++ b/drivers/acpi/acpica/nsinit.c @@ -176,7 +176,7 @@ acpi_status acpi_ns_initialize_devices(void) * part of the ACPI specification. */ info.evaluate_info->prefix_node = acpi_gbl_root_node; - info.evaluate_info->pathname = METHOD_NAME__INI; + info.evaluate_info->relative_pathname = METHOD_NAME__INI; info.evaluate_info->parameters = NULL; info.evaluate_info->flags = ACPI_IGNORE_RETURN_VALUE; @@ -560,7 +560,7 @@ acpi_ns_init_one_device(acpi_handle obj_handle, ACPI_MEMSET(info, 0, sizeof(struct acpi_evaluate_info)); info->prefix_node = device_node; - info->pathname = METHOD_NAME__INI; + info->relative_pathname = METHOD_NAME__INI; info->parameters = NULL; info->flags = ACPI_IGNORE_RETURN_VALUE; @@ -574,8 +574,7 @@ acpi_ns_init_one_device(acpi_handle obj_handle, /* Ignore error and move on to next device */ - char *scope_name = - acpi_ns_get_external_pathname(info->resolved_node); + char *scope_name = acpi_ns_get_external_pathname(info->node); ACPI_EXCEPTION((AE_INFO, status, "during %s._INI execution", scope_name)); diff --git a/drivers/acpi/acpica/nspredef.c b/drivers/acpi/acpica/nspredef.c index 8a52916148cb..7ab7ddbe3ded 100644 --- a/drivers/acpi/acpica/nspredef.c +++ b/drivers/acpi/acpica/nspredef.c @@ -61,28 +61,29 @@ ACPI_MODULE_NAME("nspredef") * There are several areas that are validated: * * 1) The number of input arguments as defined by the method/object in the - * ASL is validated against the ACPI specification. + * ASL is validated against the ACPI specification. * 2) The type of the return object (if any) is validated against the ACPI - * specification. + * specification. * 3) For returned package objects, the count of package elements is - * validated, as well as the type of each package element. Nested - * packages are supported. + * validated, as well as the type of each package element. Nested + * packages are supported. * * For any problems found, a warning message is issued. * ******************************************************************************/ /* Local prototypes */ static acpi_status -acpi_ns_check_reference(struct acpi_predefined_data *data, +acpi_ns_check_reference(struct acpi_evaluate_info *info, union acpi_operand_object *return_object); static u32 acpi_ns_get_bitmapped_type(union acpi_operand_object *return_object); /******************************************************************************* * - * FUNCTION: acpi_ns_check_predefined_names + * FUNCTION: acpi_ns_check_return_value * * PARAMETERS: node - Namespace node for the method/object + * info - Method execution information block * user_param_count - Number of parameters actually passed * return_status - Status from the object evaluation * return_object_ptr - Pointer to the object returned from the @@ -90,44 +91,28 @@ static u32 acpi_ns_get_bitmapped_type(union acpi_operand_object *return_object); * * RETURN: Status * - * DESCRIPTION: Check an ACPI name for a match in the predefined name list. + * DESCRIPTION: Check the value returned from a predefined name. * ******************************************************************************/ acpi_status -acpi_ns_check_predefined_names(struct acpi_namespace_node *node, - u32 user_param_count, - acpi_status return_status, - union acpi_operand_object **return_object_ptr) +acpi_ns_check_return_value(struct acpi_namespace_node *node, + struct acpi_evaluate_info *info, + u32 user_param_count, + acpi_status return_status, + union acpi_operand_object **return_object_ptr) { - acpi_status status = AE_OK; + acpi_status status; const union acpi_predefined_info *predefined; char *pathname; - struct acpi_predefined_data *data; - - /* Match the name for this method/object against the predefined list */ - - predefined = acpi_ut_match_predefined_method(node->name.ascii); - /* Get the full pathname to the object, for use in warning messages */ - - pathname = acpi_ns_get_external_pathname(node); - if (!pathname) { - return (AE_OK); /* Could not get pathname, ignore */ - } - - /* - * Check that the parameter count for this method matches the ASL - * definition. For predefined names, ensure that both the caller and - * the method itself are in accordance with the ACPI specification. - */ - acpi_ns_check_parameter_count(pathname, node, user_param_count, - predefined); + predefined = info->predefined; + pathname = info->full_pathname; /* If not a predefined name, we cannot validate the return object */ if (!predefined) { - goto cleanup; + return (AE_OK); } /* @@ -135,7 +120,7 @@ acpi_ns_check_predefined_names(struct acpi_namespace_node *node, * validate the return object */ if ((return_status != AE_OK) && (return_status != AE_CTRL_RETURN_VALUE)) { - goto cleanup; + return (AE_OK); } /* @@ -154,25 +139,14 @@ acpi_ns_check_predefined_names(struct acpi_namespace_node *node, if (acpi_gbl_disable_auto_repair || (!predefined->info.expected_btypes) || (predefined->info.expected_btypes == ACPI_RTYPE_ALL)) { - goto cleanup; - } - - /* Create the parameter data block for object validation */ - - data = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_predefined_data)); - if (!data) { - goto cleanup; + return (AE_OK); } - data->predefined = predefined; - data->node = node; - data->node_flags = node->flags; - data->pathname = pathname; /* * Check that the type of the main return object is what is expected * for this predefined name */ - status = acpi_ns_check_object_type(data, return_object_ptr, + status = acpi_ns_check_object_type(info, return_object_ptr, predefined->info.expected_btypes, ACPI_NOT_PACKAGE_ELEMENT); if (ACPI_FAILURE(status)) { @@ -184,8 +158,8 @@ acpi_ns_check_predefined_names(struct acpi_namespace_node *node, * Note: Package may have been newly created by call above. */ if ((*return_object_ptr)->common.type == ACPI_TYPE_PACKAGE) { - data->parent_package = *return_object_ptr; - status = acpi_ns_check_package(data, return_object_ptr); + info->parent_package = *return_object_ptr; + status = acpi_ns_check_package(info, return_object_ptr); if (ACPI_FAILURE(status)) { goto exit; } @@ -199,7 +173,7 @@ acpi_ns_check_predefined_names(struct acpi_namespace_node *node, * performed on a per-name basis, i.e., the code is specific to * particular predefined names. */ - status = acpi_ns_complex_repairs(data, node, status, return_object_ptr); + status = acpi_ns_complex_repairs(info, node, status, return_object_ptr); exit: /* @@ -207,112 +181,18 @@ exit: * or more objects, mark the parent node to suppress further warning * messages during the next evaluation of the same method/object. */ - if (ACPI_FAILURE(status) || (data->flags & ACPI_OBJECT_REPAIRED)) { + if (ACPI_FAILURE(status) || (info->return_flags & ACPI_OBJECT_REPAIRED)) { node->flags |= ANOBJ_EVALUATED; } - ACPI_FREE(data); -cleanup: - ACPI_FREE(pathname); return (status); } /******************************************************************************* * - * FUNCTION: acpi_ns_check_parameter_count - * - * PARAMETERS: pathname - Full pathname to the node (for error msgs) - * node - Namespace node for the method/object - * user_param_count - Number of args passed in by the caller - * predefined - Pointer to entry in predefined name table - * - * RETURN: None - * - * DESCRIPTION: Check that the declared (in ASL/AML) parameter count for a - * predefined name is what is expected (i.e., what is defined in - * the ACPI specification for this predefined name.) - * - ******************************************************************************/ - -void -acpi_ns_check_parameter_count(char *pathname, - struct acpi_namespace_node *node, - u32 user_param_count, - const union acpi_predefined_info *predefined) -{ - u32 param_count; - u32 required_params_current; - u32 required_params_old; - - /* Methods have 0-7 parameters. All other types have zero. */ - - param_count = 0; - if (node->type == ACPI_TYPE_METHOD) { - param_count = node->object->method.param_count; - } - - if (!predefined) { - /* - * Check the parameter count for non-predefined methods/objects. - * - * Warning if too few or too many arguments have been passed by the - * caller. An incorrect number of arguments may not cause the method - * to fail. However, the method will fail if there are too few - * arguments and the method attempts to use one of the missing ones. - */ - if (user_param_count < param_count) { - ACPI_WARN_PREDEFINED((AE_INFO, pathname, - ACPI_WARN_ALWAYS, - "Insufficient arguments - needs %u, found %u", - param_count, user_param_count)); - } else if (user_param_count > param_count) { - ACPI_WARN_PREDEFINED((AE_INFO, pathname, - ACPI_WARN_ALWAYS, - "Excess arguments - needs %u, found %u", - param_count, user_param_count)); - } - return; - } - - /* - * Validate the user-supplied parameter count. - * Allow two different legal argument counts (_SCP, etc.) - */ - required_params_current = - predefined->info.argument_list & METHOD_ARG_MASK; - required_params_old = - predefined->info.argument_list >> METHOD_ARG_BIT_WIDTH; - - if (user_param_count != ACPI_UINT32_MAX) { - if ((user_param_count != required_params_current) && - (user_param_count != required_params_old)) { - ACPI_WARN_PREDEFINED((AE_INFO, pathname, - ACPI_WARN_ALWAYS, - "Parameter count mismatch - " - "caller passed %u, ACPI requires %u", - user_param_count, - required_params_current)); - } - } - - /* - * Check that the ASL-defined parameter count is what is expected for - * this predefined name (parameter count as defined by the ACPI - * specification) - */ - if ((param_count != required_params_current) && - (param_count != required_params_old)) { - ACPI_WARN_PREDEFINED((AE_INFO, pathname, node->flags, - "Parameter count mismatch - ASL declared %u, ACPI requires %u", - param_count, required_params_current)); - } -} - -/******************************************************************************* - * * FUNCTION: acpi_ns_check_object_type * - * PARAMETERS: data - Pointer to validation data structure + * PARAMETERS: info - Method execution information block * return_object_ptr - Pointer to the object returned from the * evaluation of a method or object * expected_btypes - Bitmap of expected return type(s) @@ -328,7 +208,7 @@ acpi_ns_check_parameter_count(char *pathname, ******************************************************************************/ acpi_status -acpi_ns_check_object_type(struct acpi_predefined_data *data, +acpi_ns_check_object_type(struct acpi_evaluate_info *info, union acpi_operand_object **return_object_ptr, u32 expected_btypes, u32 package_index) { @@ -340,7 +220,8 @@ acpi_ns_check_object_type(struct acpi_predefined_data *data, if (return_object && ACPI_GET_DESCRIPTOR_TYPE(return_object) == ACPI_DESC_TYPE_NAMED) { - ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags, + ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname, + info->node_flags, "Invalid return type - Found a Namespace node [%4.4s] type %s", return_object->node.name.ascii, acpi_ut_get_type_name(return_object->node. @@ -356,8 +237,8 @@ acpi_ns_check_object_type(struct acpi_predefined_data *data, * from all of the predefined names (including elements of returned * packages) */ - data->return_btype = acpi_ns_get_bitmapped_type(return_object); - if (data->return_btype == ACPI_RTYPE_ANY) { + info->return_btype = acpi_ns_get_bitmapped_type(return_object); + if (info->return_btype == ACPI_RTYPE_ANY) { /* Not one of the supported objects, must be incorrect */ goto type_error_exit; @@ -365,16 +246,18 @@ acpi_ns_check_object_type(struct acpi_predefined_data *data, /* For reference objects, check that the reference type is correct */ - if ((data->return_btype & expected_btypes) == ACPI_RTYPE_REFERENCE) { - status = acpi_ns_check_reference(data, return_object); + if ((info->return_btype & expected_btypes) == ACPI_RTYPE_REFERENCE) { + status = acpi_ns_check_reference(info, return_object); return (status); } /* Attempt simple repair of the returned object if necessary */ - status = acpi_ns_simple_repair(data, expected_btypes, + status = acpi_ns_simple_repair(info, expected_btypes, package_index, return_object_ptr); - return (status); + if (ACPI_SUCCESS(status)) { + return (AE_OK); /* Successful repair */ + } type_error_exit: @@ -383,12 +266,14 @@ acpi_ns_check_object_type(struct acpi_predefined_data *data, acpi_ut_get_expected_return_types(type_buffer, expected_btypes); if (package_index == ACPI_NOT_PACKAGE_ELEMENT) { - ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags, + ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname, + info->node_flags, "Return type mismatch - found %s, expected %s", acpi_ut_get_object_type_name (return_object), type_buffer)); } else { - ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags, + ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname, + info->node_flags, "Return Package type mismatch at index %u - " "found %s, expected %s", package_index, acpi_ut_get_object_type_name @@ -402,7 +287,7 @@ acpi_ns_check_object_type(struct acpi_predefined_data *data, * * FUNCTION: acpi_ns_check_reference * - * PARAMETERS: data - Pointer to validation data structure + * PARAMETERS: info - Method execution information block * return_object - Object returned from the evaluation of a * method or object * @@ -415,7 +300,7 @@ acpi_ns_check_object_type(struct acpi_predefined_data *data, ******************************************************************************/ static acpi_status -acpi_ns_check_reference(struct acpi_predefined_data *data, +acpi_ns_check_reference(struct acpi_evaluate_info *info, union acpi_operand_object *return_object) { @@ -428,7 +313,7 @@ acpi_ns_check_reference(struct acpi_predefined_data *data, return (AE_OK); } - ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags, + ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname, info->node_flags, "Return type mismatch - unexpected reference object type [%s] %2.2X", acpi_ut_get_reference_name(return_object), return_object->reference.class)); diff --git a/drivers/acpi/acpica/nsprepkg.c b/drivers/acpi/acpica/nsprepkg.c index 77cdd539de16..ab2a3f477e1e 100644 --- a/drivers/acpi/acpica/nsprepkg.c +++ b/drivers/acpi/acpica/nsprepkg.c @@ -51,12 +51,12 @@ ACPI_MODULE_NAME("nsprepkg") /* Local prototypes */ static acpi_status -acpi_ns_check_package_list(struct acpi_predefined_data *data, +acpi_ns_check_package_list(struct acpi_evaluate_info *info, const union acpi_predefined_info *package, union acpi_operand_object **elements, u32 count); static acpi_status -acpi_ns_check_package_elements(struct acpi_predefined_data *data, +acpi_ns_check_package_elements(struct acpi_evaluate_info *info, union acpi_operand_object **elements, u8 type1, u32 count1, @@ -66,7 +66,7 @@ acpi_ns_check_package_elements(struct acpi_predefined_data *data, * * FUNCTION: acpi_ns_check_package * - * PARAMETERS: data - Pointer to validation data structure + * PARAMETERS: info - Method execution information block * return_object_ptr - Pointer to the object returned from the * evaluation of a method or object * @@ -78,7 +78,7 @@ acpi_ns_check_package_elements(struct acpi_predefined_data *data, ******************************************************************************/ acpi_status -acpi_ns_check_package(struct acpi_predefined_data *data, +acpi_ns_check_package(struct acpi_evaluate_info *info, union acpi_operand_object **return_object_ptr) { union acpi_operand_object *return_object = *return_object_ptr; @@ -93,18 +93,18 @@ acpi_ns_check_package(struct acpi_predefined_data *data, /* The package info for this name is in the next table entry */ - package = data->predefined + 1; + package = info->predefined + 1; ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "%s Validating return Package of Type %X, Count %X\n", - data->pathname, package->ret_info.type, + info->full_pathname, package->ret_info.type, return_object->package.count)); /* * For variable-length Packages, we can safely remove all embedded * and trailing NULL package elements */ - acpi_ns_remove_null_elements(data, package->ret_info.type, + acpi_ns_remove_null_elements(info, package->ret_info.type, return_object); /* Extract package count and elements array */ @@ -121,7 +121,8 @@ acpi_ns_check_package(struct acpi_predefined_data *data, return (AE_OK); } - ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags, + ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname, + info->node_flags, "Return Package has no elements (empty)")); return (AE_AML_OPERAND_VALUE); @@ -150,13 +151,13 @@ acpi_ns_check_package(struct acpi_predefined_data *data, ACPI_DEBUG_PRINT((ACPI_DB_REPAIR, "%s: Return Package is larger than needed - " "found %u, expected %u\n", - data->pathname, count, + info->full_pathname, count, expected_count)); } /* Validate all elements of the returned package */ - status = acpi_ns_check_package_elements(data, elements, + status = acpi_ns_check_package_elements(info, elements, package->ret_info. object_type1, package->ret_info. @@ -174,7 +175,7 @@ acpi_ns_check_package(struct acpi_predefined_data *data, * elements must be of the same type */ for (i = 0; i < count; i++) { - status = acpi_ns_check_object_type(data, elements, + status = acpi_ns_check_object_type(info, elements, package->ret_info. object_type1, i); if (ACPI_FAILURE(status)) { @@ -206,7 +207,7 @@ acpi_ns_check_package(struct acpi_predefined_data *data, /* These are the required package elements (0, 1, or 2) */ status = - acpi_ns_check_object_type(data, elements, + acpi_ns_check_object_type(info, elements, package-> ret_info3. object_type[i], @@ -218,7 +219,7 @@ acpi_ns_check_package(struct acpi_predefined_data *data, /* These are the optional package elements */ status = - acpi_ns_check_object_type(data, elements, + acpi_ns_check_object_type(info, elements, package-> ret_info3. tail_object_type, @@ -235,7 +236,7 @@ acpi_ns_check_package(struct acpi_predefined_data *data, /* First element is the (Integer) revision */ - status = acpi_ns_check_object_type(data, elements, + status = acpi_ns_check_object_type(info, elements, ACPI_RTYPE_INTEGER, 0); if (ACPI_FAILURE(status)) { return (status); @@ -247,14 +248,14 @@ acpi_ns_check_package(struct acpi_predefined_data *data, /* Examine the sub-packages */ status = - acpi_ns_check_package_list(data, package, elements, count); + acpi_ns_check_package_list(info, package, elements, count); break; case ACPI_PTYPE2_PKG_COUNT: /* First element is the (Integer) count of sub-packages to follow */ - status = acpi_ns_check_object_type(data, elements, + status = acpi_ns_check_object_type(info, elements, ACPI_RTYPE_INTEGER, 0); if (ACPI_FAILURE(status)) { return (status); @@ -275,7 +276,7 @@ acpi_ns_check_package(struct acpi_predefined_data *data, /* Examine the sub-packages */ status = - acpi_ns_check_package_list(data, package, elements, count); + acpi_ns_check_package_list(info, package, elements, count); break; case ACPI_PTYPE2: @@ -300,7 +301,7 @@ acpi_ns_check_package(struct acpi_predefined_data *data, /* Create the new outer package and populate it */ status = - acpi_ns_wrap_with_package(data, return_object, + acpi_ns_wrap_with_package(info, return_object, return_object_ptr); if (ACPI_FAILURE(status)) { return (status); @@ -316,14 +317,15 @@ acpi_ns_check_package(struct acpi_predefined_data *data, /* Examine the sub-packages */ status = - acpi_ns_check_package_list(data, package, elements, count); + acpi_ns_check_package_list(info, package, elements, count); break; default: /* Should not get here if predefined info table is correct */ - ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags, + ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname, + info->node_flags, "Invalid internal return type in table entry: %X", package->ret_info.type)); @@ -336,7 +338,7 @@ acpi_ns_check_package(struct acpi_predefined_data *data, /* Error exit for the case with an incorrect package count */ - ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags, + ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname, info->node_flags, "Return Package is too small - found %u elements, expected %u", count, expected_count)); @@ -347,7 +349,7 @@ acpi_ns_check_package(struct acpi_predefined_data *data, * * FUNCTION: acpi_ns_check_package_list * - * PARAMETERS: data - Pointer to validation data structure + * PARAMETERS: info - Method execution information block * package - Pointer to package-specific info for method * elements - Element list of parent package. All elements * of this list should be of type Package. @@ -360,7 +362,7 @@ acpi_ns_check_package(struct acpi_predefined_data *data, ******************************************************************************/ static acpi_status -acpi_ns_check_package_list(struct acpi_predefined_data *data, +acpi_ns_check_package_list(struct acpi_evaluate_info *info, const union acpi_predefined_info *package, union acpi_operand_object **elements, u32 count) { @@ -381,11 +383,11 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data, for (i = 0; i < count; i++) { sub_package = *elements; sub_elements = sub_package->package.elements; - data->parent_package = sub_package; + info->parent_package = sub_package; /* Each sub-object must be of type Package */ - status = acpi_ns_check_object_type(data, &sub_package, + status = acpi_ns_check_object_type(info, &sub_package, ACPI_RTYPE_PACKAGE, i); if (ACPI_FAILURE(status)) { return (status); @@ -393,7 +395,7 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data, /* Examine the different types of expected sub-packages */ - data->parent_package = sub_package; + info->parent_package = sub_package; switch (package->ret_info.type) { case ACPI_PTYPE2: case ACPI_PTYPE2_PKG_COUNT: @@ -408,7 +410,7 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data, } status = - acpi_ns_check_package_elements(data, sub_elements, + acpi_ns_check_package_elements(info, sub_elements, package->ret_info. object_type1, package->ret_info. @@ -434,7 +436,7 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data, } status = - acpi_ns_check_package_elements(data, sub_elements, + acpi_ns_check_package_elements(info, sub_elements, package->ret_info. object_type1, package->ret_info. @@ -463,7 +465,7 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data, for (j = 0; j < expected_count; j++) { status = - acpi_ns_check_object_type(data, + acpi_ns_check_object_type(info, &sub_elements[j], package-> ret_info2. @@ -487,7 +489,7 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data, /* Check the type of each sub-package element */ status = - acpi_ns_check_package_elements(data, sub_elements, + acpi_ns_check_package_elements(info, sub_elements, package->ret_info. object_type1, sub_package->package. @@ -503,7 +505,7 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data, * First element is the (Integer) count of elements, including * the count field (the ACPI name is num_elements) */ - status = acpi_ns_check_object_type(data, sub_elements, + status = acpi_ns_check_object_type(info, sub_elements, ACPI_RTYPE_INTEGER, 0); if (ACPI_FAILURE(status)) { @@ -537,7 +539,7 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data, /* Check the type of each sub-package element */ status = - acpi_ns_check_package_elements(data, + acpi_ns_check_package_elements(info, (sub_elements + 1), package->ret_info. object_type1, @@ -562,7 +564,7 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data, /* The sub-package count was smaller than required */ - ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags, + ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname, info->node_flags, "Return Sub-Package[%u] is too small - found %u elements, expected %u", i, sub_package->package.count, expected_count)); @@ -573,7 +575,7 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data, * * FUNCTION: acpi_ns_check_package_elements * - * PARAMETERS: data - Pointer to validation data structure + * PARAMETERS: info - Method execution information block * elements - Pointer to the package elements array * type1 - Object type for first group * count1 - Count for first group @@ -589,7 +591,7 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data, ******************************************************************************/ static acpi_status -acpi_ns_check_package_elements(struct acpi_predefined_data *data, +acpi_ns_check_package_elements(struct acpi_evaluate_info *info, union acpi_operand_object **elements, u8 type1, u32 count1, @@ -605,7 +607,7 @@ acpi_ns_check_package_elements(struct acpi_predefined_data *data, * The second group can have a count of zero. */ for (i = 0; i < count1; i++) { - status = acpi_ns_check_object_type(data, this_element, + status = acpi_ns_check_object_type(info, this_element, type1, i + start_index); if (ACPI_FAILURE(status)) { return (status); @@ -614,7 +616,7 @@ acpi_ns_check_package_elements(struct acpi_predefined_data *data, } for (i = 0; i < count2; i++) { - status = acpi_ns_check_object_type(data, this_element, + status = acpi_ns_check_object_type(info, this_element, type2, (i + count1 + start_index)); if (ACPI_FAILURE(status)) { diff --git a/drivers/acpi/acpica/nsrepair.c b/drivers/acpi/acpica/nsrepair.c index 18f02e4ece01..89caef04691e 100644 --- a/drivers/acpi/acpica/nsrepair.c +++ b/drivers/acpi/acpica/nsrepair.c @@ -130,7 +130,7 @@ static const struct acpi_simple_repair_info acpi_object_repair_info[] = { * * FUNCTION: acpi_ns_simple_repair * - * PARAMETERS: data - Pointer to validation data structure + * PARAMETERS: info - Method execution information block * expected_btypes - Object types expected * package_index - Index of object within parent package (if * applicable - ACPI_NOT_PACKAGE_ELEMENT @@ -146,7 +146,7 @@ static const struct acpi_simple_repair_info acpi_object_repair_info[] = { ******************************************************************************/ acpi_status -acpi_ns_simple_repair(struct acpi_predefined_data *data, +acpi_ns_simple_repair(struct acpi_evaluate_info *info, u32 expected_btypes, u32 package_index, union acpi_operand_object **return_object_ptr) @@ -162,12 +162,12 @@ acpi_ns_simple_repair(struct acpi_predefined_data *data, * Special repairs for certain names that are in the repair table. * Check if this name is in the list of repairable names. */ - predefined = acpi_ns_match_simple_repair(data->node, - data->return_btype, + predefined = acpi_ns_match_simple_repair(info->node, + info->return_btype, package_index); if (predefined) { if (!return_object) { - ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, + ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname, ACPI_WARN_ALWAYS, "Missing expected return value")); } @@ -191,7 +191,7 @@ acpi_ns_simple_repair(struct acpi_predefined_data *data, * Do not perform simple object repair unless the return type is not * expected. */ - if (data->return_btype & expected_btypes) { + if (info->return_btype & expected_btypes) { return (AE_OK); } @@ -211,7 +211,7 @@ acpi_ns_simple_repair(struct acpi_predefined_data *data, */ if (!return_object) { if (expected_btypes && (!(expected_btypes & ACPI_RTYPE_NONE))) { - ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, + ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname, ACPI_WARN_ALWAYS, "Missing expected return value")); @@ -247,14 +247,14 @@ acpi_ns_simple_repair(struct acpi_predefined_data *data, * for correct contents (expected object type or types). */ status = - acpi_ns_wrap_with_package(data, return_object, &new_object); + acpi_ns_wrap_with_package(info, return_object, &new_object); if (ACPI_SUCCESS(status)) { /* * The original object just had its reference count * incremented for being inserted into the new package. */ *return_object_ptr = new_object; /* New Package object */ - data->flags |= ACPI_OBJECT_REPAIRED; + info->return_flags |= ACPI_OBJECT_REPAIRED; return (AE_OK); } } @@ -277,7 +277,7 @@ acpi_ns_simple_repair(struct acpi_predefined_data *data, * package object as part of the repair, we don't need to * change the reference count. */ - if (!(data->flags & ACPI_OBJECT_WRAPPED)) { + if (!(info->return_flags & ACPI_OBJECT_WRAPPED)) { new_object->common.reference_count = return_object->common.reference_count; @@ -288,14 +288,14 @@ acpi_ns_simple_repair(struct acpi_predefined_data *data, ACPI_DEBUG_PRINT((ACPI_DB_REPAIR, "%s: Converted %s to expected %s at Package index %u\n", - data->pathname, + info->full_pathname, acpi_ut_get_object_type_name(return_object), acpi_ut_get_object_type_name(new_object), package_index)); } else { ACPI_DEBUG_PRINT((ACPI_DB_REPAIR, "%s: Converted %s to expected %s\n", - data->pathname, + info->full_pathname, acpi_ut_get_object_type_name(return_object), acpi_ut_get_object_type_name(new_object))); } @@ -304,7 +304,7 @@ acpi_ns_simple_repair(struct acpi_predefined_data *data, acpi_ut_remove_reference(return_object); *return_object_ptr = new_object; - data->flags |= ACPI_OBJECT_REPAIRED; + info->return_flags |= ACPI_OBJECT_REPAIRED; return (AE_OK); } @@ -359,7 +359,7 @@ static const struct acpi_simple_repair_info *acpi_ns_match_simple_repair(struct * * FUNCTION: acpi_ns_repair_null_element * - * PARAMETERS: data - Pointer to validation data structure + * PARAMETERS: info - Method execution information block * expected_btypes - Object types expected * package_index - Index of object within parent package (if * applicable - ACPI_NOT_PACKAGE_ELEMENT @@ -374,7 +374,7 @@ static const struct acpi_simple_repair_info *acpi_ns_match_simple_repair(struct ******************************************************************************/ acpi_status -acpi_ns_repair_null_element(struct acpi_predefined_data *data, +acpi_ns_repair_null_element(struct acpi_evaluate_info * info, u32 expected_btypes, u32 package_index, union acpi_operand_object **return_object_ptr) @@ -424,16 +424,16 @@ acpi_ns_repair_null_element(struct acpi_predefined_data *data, /* Set the reference count according to the parent Package object */ new_object->common.reference_count = - data->parent_package->common.reference_count; + info->parent_package->common.reference_count; ACPI_DEBUG_PRINT((ACPI_DB_REPAIR, "%s: Converted NULL package element to expected %s at index %u\n", - data->pathname, + info->full_pathname, acpi_ut_get_object_type_name(new_object), package_index)); *return_object_ptr = new_object; - data->flags |= ACPI_OBJECT_REPAIRED; + info->return_flags |= ACPI_OBJECT_REPAIRED; return (AE_OK); } @@ -441,7 +441,7 @@ acpi_ns_repair_null_element(struct acpi_predefined_data *data, * * FUNCTION: acpi_ns_remove_null_elements * - * PARAMETERS: data - Pointer to validation data structure + * PARAMETERS: info - Method execution information block * package_type - An acpi_return_package_types value * obj_desc - A Package object * @@ -454,7 +454,7 @@ acpi_ns_repair_null_element(struct acpi_predefined_data *data, *****************************************************************************/ void -acpi_ns_remove_null_elements(struct acpi_predefined_data *data, +acpi_ns_remove_null_elements(struct acpi_evaluate_info *info, u8 package_type, union acpi_operand_object *obj_desc) { @@ -511,7 +511,7 @@ acpi_ns_remove_null_elements(struct acpi_predefined_data *data, if (new_count < count) { ACPI_DEBUG_PRINT((ACPI_DB_REPAIR, "%s: Found and removed %u NULL elements\n", - data->pathname, (count - new_count))); + info->full_pathname, (count - new_count))); /* NULL terminate list and update the package count */ @@ -524,7 +524,7 @@ acpi_ns_remove_null_elements(struct acpi_predefined_data *data, * * FUNCTION: acpi_ns_wrap_with_package * - * PARAMETERS: data - Pointer to validation data structure + * PARAMETERS: info - Method execution information block * original_object - Pointer to the object to repair. * obj_desc_ptr - The new package object is returned here * @@ -545,7 +545,7 @@ acpi_ns_remove_null_elements(struct acpi_predefined_data *data, ******************************************************************************/ acpi_status -acpi_ns_wrap_with_package(struct acpi_predefined_data *data, +acpi_ns_wrap_with_package(struct acpi_evaluate_info *info, union acpi_operand_object *original_object, union acpi_operand_object **obj_desc_ptr) { @@ -566,12 +566,12 @@ acpi_ns_wrap_with_package(struct acpi_predefined_data *data, ACPI_DEBUG_PRINT((ACPI_DB_REPAIR, "%s: Wrapped %s with expected Package object\n", - data->pathname, + info->full_pathname, acpi_ut_get_object_type_name(original_object))); /* Return the new object in the object pointer */ *obj_desc_ptr = pkg_obj_desc; - data->flags |= ACPI_OBJECT_REPAIRED | ACPI_OBJECT_WRAPPED; + info->return_flags |= ACPI_OBJECT_REPAIRED | ACPI_OBJECT_WRAPPED; return (AE_OK); } diff --git a/drivers/acpi/acpica/nsrepair2.c b/drivers/acpi/acpica/nsrepair2.c index 149e9b9c2c1b..39acc4e6b387 100644 --- a/drivers/acpi/acpica/nsrepair2.c +++ b/drivers/acpi/acpica/nsrepair2.c @@ -54,7 +54,7 @@ ACPI_MODULE_NAME("nsrepair2") * be repaired on a per-name basis. */ typedef -acpi_status(*acpi_repair_function) (struct acpi_predefined_data *data, +acpi_status(*acpi_repair_function) (struct acpi_evaluate_info * info, union acpi_operand_object **return_object_ptr); @@ -71,31 +71,31 @@ static const struct acpi_repair_info *acpi_ns_match_complex_repair(struct *node); static acpi_status -acpi_ns_repair_ALR(struct acpi_predefined_data *data, +acpi_ns_repair_ALR(struct acpi_evaluate_info *info, union acpi_operand_object **return_object_ptr); static acpi_status -acpi_ns_repair_CID(struct acpi_predefined_data *data, +acpi_ns_repair_CID(struct acpi_evaluate_info *info, union acpi_operand_object **return_object_ptr); static acpi_status -acpi_ns_repair_FDE(struct acpi_predefined_data *data, +acpi_ns_repair_FDE(struct acpi_evaluate_info *info, union acpi_operand_object **return_object_ptr); static acpi_status -acpi_ns_repair_HID(struct acpi_predefined_data *data, +acpi_ns_repair_HID(struct acpi_evaluate_info *info, union acpi_operand_object **return_object_ptr); static acpi_status -acpi_ns_repair_PSS(struct acpi_predefined_data *data, +acpi_ns_repair_PSS(struct acpi_evaluate_info *info, union acpi_operand_object **return_object_ptr); static acpi_status -acpi_ns_repair_TSS(struct acpi_predefined_data *data, +acpi_ns_repair_TSS(struct acpi_evaluate_info *info, union acpi_operand_object **return_object_ptr); static acpi_status -acpi_ns_check_sorted_list(struct acpi_predefined_data *data, +acpi_ns_check_sorted_list(struct acpi_evaluate_info *info, union acpi_operand_object *return_object, u32 expected_count, u32 sort_index, @@ -150,7 +150,7 @@ static const struct acpi_repair_info acpi_ns_repairable_names[] = { * * FUNCTION: acpi_ns_complex_repairs * - * PARAMETERS: data - Pointer to validation data structure + * PARAMETERS: info - Method execution information block * node - Namespace node for the method/object * validate_status - Original status of earlier validation * return_object_ptr - Pointer to the object returned from the @@ -165,7 +165,7 @@ static const struct acpi_repair_info acpi_ns_repairable_names[] = { *****************************************************************************/ acpi_status -acpi_ns_complex_repairs(struct acpi_predefined_data *data, +acpi_ns_complex_repairs(struct acpi_evaluate_info *info, struct acpi_namespace_node *node, acpi_status validate_status, union acpi_operand_object **return_object_ptr) @@ -180,7 +180,7 @@ acpi_ns_complex_repairs(struct acpi_predefined_data *data, return (validate_status); } - status = predefined->repair_function(data, return_object_ptr); + status = predefined->repair_function(info, return_object_ptr); return (status); } @@ -219,7 +219,7 @@ static const struct acpi_repair_info *acpi_ns_match_complex_repair(struct * * FUNCTION: acpi_ns_repair_ALR * - * PARAMETERS: data - Pointer to validation data structure + * PARAMETERS: info - Method execution information block * return_object_ptr - Pointer to the object returned from the * evaluation of a method or object * @@ -231,13 +231,13 @@ static const struct acpi_repair_info *acpi_ns_match_complex_repair(struct *****************************************************************************/ static acpi_status -acpi_ns_repair_ALR(struct acpi_predefined_data *data, +acpi_ns_repair_ALR(struct acpi_evaluate_info *info, union acpi_operand_object **return_object_ptr) { union acpi_operand_object *return_object = *return_object_ptr; acpi_status status; - status = acpi_ns_check_sorted_list(data, return_object, 2, 1, + status = acpi_ns_check_sorted_list(info, return_object, 2, 1, ACPI_SORT_ASCENDING, "AmbientIlluminance"); @@ -248,7 +248,7 @@ acpi_ns_repair_ALR(struct acpi_predefined_data *data, * * FUNCTION: acpi_ns_repair_FDE * - * PARAMETERS: data - Pointer to validation data structure + * PARAMETERS: info - Method execution information block * return_object_ptr - Pointer to the object returned from the * evaluation of a method or object * @@ -262,7 +262,7 @@ acpi_ns_repair_ALR(struct acpi_predefined_data *data, *****************************************************************************/ static acpi_status -acpi_ns_repair_FDE(struct acpi_predefined_data *data, +acpi_ns_repair_FDE(struct acpi_evaluate_info *info, union acpi_operand_object **return_object_ptr) { union acpi_operand_object *return_object = *return_object_ptr; @@ -285,8 +285,8 @@ acpi_ns_repair_FDE(struct acpi_predefined_data *data, /* We can only repair if we have exactly 5 BYTEs */ if (return_object->buffer.length != ACPI_FDE_BYTE_BUFFER_SIZE) { - ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, - data->node_flags, + ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname, + info->node_flags, "Incorrect return buffer length %u, expected %u", return_object->buffer.length, ACPI_FDE_DWORD_BUFFER_SIZE)); @@ -316,7 +316,7 @@ acpi_ns_repair_FDE(struct acpi_predefined_data *data, ACPI_DEBUG_PRINT((ACPI_DB_REPAIR, "%s Expanded Byte Buffer to expected DWord Buffer\n", - data->pathname)); + info->full_pathname)); break; default: @@ -328,7 +328,7 @@ acpi_ns_repair_FDE(struct acpi_predefined_data *data, acpi_ut_remove_reference(return_object); *return_object_ptr = buffer_object; - data->flags |= ACPI_OBJECT_REPAIRED; + info->return_flags |= ACPI_OBJECT_REPAIRED; return (AE_OK); } @@ -336,7 +336,7 @@ acpi_ns_repair_FDE(struct acpi_predefined_data *data, * * FUNCTION: acpi_ns_repair_CID * - * PARAMETERS: data - Pointer to validation data structure + * PARAMETERS: info - Method execution information block * return_object_ptr - Pointer to the object returned from the * evaluation of a method or object * @@ -349,7 +349,7 @@ acpi_ns_repair_FDE(struct acpi_predefined_data *data, *****************************************************************************/ static acpi_status -acpi_ns_repair_CID(struct acpi_predefined_data *data, +acpi_ns_repair_CID(struct acpi_evaluate_info *info, union acpi_operand_object **return_object_ptr) { acpi_status status; @@ -362,7 +362,7 @@ acpi_ns_repair_CID(struct acpi_predefined_data *data, /* Check for _CID as a simple string */ if (return_object->common.type == ACPI_TYPE_STRING) { - status = acpi_ns_repair_HID(data, return_object_ptr); + status = acpi_ns_repair_HID(info, return_object_ptr); return (status); } @@ -379,7 +379,7 @@ acpi_ns_repair_CID(struct acpi_predefined_data *data, original_element = *element_ptr; original_ref_count = original_element->common.reference_count; - status = acpi_ns_repair_HID(data, element_ptr); + status = acpi_ns_repair_HID(info, element_ptr); if (ACPI_FAILURE(status)) { return (status); } @@ -406,7 +406,7 @@ acpi_ns_repair_CID(struct acpi_predefined_data *data, * * FUNCTION: acpi_ns_repair_HID * - * PARAMETERS: data - Pointer to validation data structure + * PARAMETERS: info - Method execution information block * return_object_ptr - Pointer to the object returned from the * evaluation of a method or object * @@ -418,7 +418,7 @@ acpi_ns_repair_CID(struct acpi_predefined_data *data, *****************************************************************************/ static acpi_status -acpi_ns_repair_HID(struct acpi_predefined_data *data, +acpi_ns_repair_HID(struct acpi_evaluate_info *info, union acpi_operand_object **return_object_ptr) { union acpi_operand_object *return_object = *return_object_ptr; @@ -435,12 +435,13 @@ acpi_ns_repair_HID(struct acpi_predefined_data *data, } if (return_object->string.length == 0) { - ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags, + ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname, + info->node_flags, "Invalid zero-length _HID or _CID string")); /* Return AE_OK anyway, let driver handle it */ - data->flags |= ACPI_OBJECT_REPAIRED; + info->return_flags |= ACPI_OBJECT_REPAIRED; return (AE_OK); } @@ -464,7 +465,7 @@ acpi_ns_repair_HID(struct acpi_predefined_data *data, ACPI_DEBUG_PRINT((ACPI_DB_REPAIR, "%s: Removed invalid leading asterisk\n", - data->pathname)); + info->full_pathname)); } /* @@ -488,7 +489,7 @@ acpi_ns_repair_HID(struct acpi_predefined_data *data, * * FUNCTION: acpi_ns_repair_TSS * - * PARAMETERS: data - Pointer to validation data structure + * PARAMETERS: info - Method execution information block * return_object_ptr - Pointer to the object returned from the * evaluation of a method or object * @@ -500,7 +501,7 @@ acpi_ns_repair_HID(struct acpi_predefined_data *data, *****************************************************************************/ static acpi_status -acpi_ns_repair_TSS(struct acpi_predefined_data *data, +acpi_ns_repair_TSS(struct acpi_evaluate_info *info, union acpi_operand_object **return_object_ptr) { union acpi_operand_object *return_object = *return_object_ptr; @@ -515,13 +516,13 @@ acpi_ns_repair_TSS(struct acpi_predefined_data *data, * In this case, it is best to just return the _TSS package as-is. * (May, 2011) */ - status = - acpi_ns_get_node(data->node, "^_PSS", ACPI_NS_NO_UPSEARCH, &node); + status = acpi_ns_get_node(info->node, "^_PSS", + ACPI_NS_NO_UPSEARCH, &node); if (ACPI_SUCCESS(status)) { return (AE_OK); } - status = acpi_ns_check_sorted_list(data, return_object, 5, 1, + status = acpi_ns_check_sorted_list(info, return_object, 5, 1, ACPI_SORT_DESCENDING, "PowerDissipation"); @@ -532,7 +533,7 @@ acpi_ns_repair_TSS(struct acpi_predefined_data *data, * * FUNCTION: acpi_ns_repair_PSS * - * PARAMETERS: data - Pointer to validation data structure + * PARAMETERS: info - Method execution information block * return_object_ptr - Pointer to the object returned from the * evaluation of a method or object * @@ -546,7 +547,7 @@ acpi_ns_repair_TSS(struct acpi_predefined_data *data, *****************************************************************************/ static acpi_status -acpi_ns_repair_PSS(struct acpi_predefined_data *data, +acpi_ns_repair_PSS(struct acpi_evaluate_info *info, union acpi_operand_object **return_object_ptr) { union acpi_operand_object *return_object = *return_object_ptr; @@ -564,7 +565,7 @@ acpi_ns_repair_PSS(struct acpi_predefined_data *data, * incorrectly sorted, sort it. We sort by cpu_frequency, since this * should be proportional to the power. */ - status = acpi_ns_check_sorted_list(data, return_object, 6, 0, + status = acpi_ns_check_sorted_list(info, return_object, 6, 0, ACPI_SORT_DESCENDING, "CpuFrequency"); if (ACPI_FAILURE(status)) { @@ -584,8 +585,8 @@ acpi_ns_repair_PSS(struct acpi_predefined_data *data, obj_desc = elements[1]; /* Index1 = power_dissipation */ if ((u32) obj_desc->integer.value > previous_value) { - ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, - data->node_flags, + ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname, + info->node_flags, "SubPackage[%u,%u] - suspicious power dissipation values", i - 1, i)); } @@ -601,7 +602,7 @@ acpi_ns_repair_PSS(struct acpi_predefined_data *data, * * FUNCTION: acpi_ns_check_sorted_list * - * PARAMETERS: data - Pointer to validation data structure + * PARAMETERS: info - Method execution information block * return_object - Pointer to the top-level returned object * expected_count - Minimum length of each sub-package * sort_index - Sub-package entry to sort on @@ -617,7 +618,7 @@ acpi_ns_repair_PSS(struct acpi_predefined_data *data, *****************************************************************************/ static acpi_status -acpi_ns_check_sorted_list(struct acpi_predefined_data *data, +acpi_ns_check_sorted_list(struct acpi_evaluate_info *info, union acpi_operand_object *return_object, u32 expected_count, u32 sort_index, @@ -689,11 +690,11 @@ acpi_ns_check_sorted_list(struct acpi_predefined_data *data, outer_element_count, sort_index, sort_direction); - data->flags |= ACPI_OBJECT_REPAIRED; + info->return_flags |= ACPI_OBJECT_REPAIRED; ACPI_DEBUG_PRINT((ACPI_DB_REPAIR, "%s: Repaired unsorted list - now sorted by %s\n", - data->pathname, sort_key_name)); + info->full_pathname, sort_key_name)); return (AE_OK); } diff --git a/drivers/acpi/acpica/nsxfeval.c b/drivers/acpi/acpica/nsxfeval.c index fc69949151bb..82bec40d4508 100644 --- a/drivers/acpi/acpica/nsxfeval.c +++ b/drivers/acpi/acpica/nsxfeval.c @@ -187,8 +187,6 @@ acpi_evaluate_object(acpi_handle handle, return_ACPI_STATUS(AE_NO_MEMORY); } - info->pathname = pathname; - /* Convert and validate the device handle */ info->prefix_node = acpi_ns_validate_handle(handle); @@ -198,17 +196,64 @@ acpi_evaluate_object(acpi_handle handle, } /* - * If there are parameters to be passed to a control method, the external - * objects must all be converted to internal objects + * Get the actual namespace node for the target object. + * Handles these cases: + * + * 1) Null node, valid pathname from root (absolute path) + * 2) Node and valid pathname (path relative to Node) + * 3) Node, Null pathname + */ + if ((pathname) && (ACPI_IS_ROOT_PREFIX(pathname[0]))) { + + /* The path is fully qualified, just evaluate by name */ + + info->prefix_node = NULL; + } else if (!handle) { + /* + * A handle is optional iff a fully qualified pathname is specified. + * Since we've already handled fully qualified names above, this is + * an error. + */ + if (!pathname) { + ACPI_DEBUG_PRINT((ACPI_DB_INFO, + "Both Handle and Pathname are NULL")); + } else { + ACPI_DEBUG_PRINT((ACPI_DB_INFO, + "Null Handle with relative pathname [%s]", + pathname)); + } + + status = AE_BAD_PARAMETER; + goto cleanup; + } + + info->relative_pathname = pathname; + + /* + * Convert all external objects passed as arguments to the + * internal version(s). */ if (external_params && external_params->count) { + info->param_count = (u16)external_params->count; + + /* Warn on impossible argument count */ + + if (info->param_count > ACPI_METHOD_NUM_ARGS) { + ACPI_WARN_PREDEFINED((AE_INFO, pathname, + ACPI_WARN_ALWAYS, + "Excess arguments (%u) - using only %u", + info->param_count, + ACPI_METHOD_NUM_ARGS)); + + info->param_count = ACPI_METHOD_NUM_ARGS; + } + /* * Allocate a new parameter block for the internal objects * Add 1 to count to allow for null terminated internal list */ - info->parameters = ACPI_ALLOCATE_ZEROED(((acpi_size) - external_params-> - count + + info->parameters = ACPI_ALLOCATE_ZEROED(((acpi_size) info-> + param_count + 1) * sizeof(void *)); if (!info->parameters) { status = AE_NO_MEMORY; @@ -217,7 +262,7 @@ acpi_evaluate_object(acpi_handle handle, /* Convert each external object in the list to an internal object */ - for (i = 0; i < external_params->count; i++) { + for (i = 0; i < info->param_count; i++) { status = acpi_ut_copy_eobject_to_iobject(&external_params-> pointer[i], @@ -227,43 +272,96 @@ acpi_evaluate_object(acpi_handle handle, goto cleanup; } } - info->parameters[external_params->count] = NULL; + + info->parameters[info->param_count] = NULL; } +#if 0 + /* - * Three major cases: - * 1) Fully qualified pathname - * 2) No handle, not fully qualified pathname (error) - * 3) Valid handle + * Begin incoming argument count analysis. Check for too few args + * and too many args. */ - if ((pathname) && (ACPI_IS_ROOT_PREFIX(pathname[0]))) { - /* The path is fully qualified, just evaluate by name */ + switch (acpi_ns_get_type(info->node)) { + case ACPI_TYPE_METHOD: + + /* Check incoming argument count against the method definition */ + + if (info->obj_desc->method.param_count > info->param_count) { + ACPI_ERROR((AE_INFO, + "Insufficient arguments (%u) - %u are required", + info->param_count, + info->obj_desc->method.param_count)); + + status = AE_MISSING_ARGUMENTS; + goto cleanup; + } + + else if (info->obj_desc->method.param_count < info->param_count) { + ACPI_WARNING((AE_INFO, + "Excess arguments (%u) - only %u are required", + info->param_count, + info->obj_desc->method.param_count)); + + /* Just pass the required number of arguments */ + + info->param_count = info->obj_desc->method.param_count; + } - info->prefix_node = NULL; - status = acpi_ns_evaluate(info); - } else if (!handle) { /* - * A handle is optional iff a fully qualified pathname is specified. - * Since we've already handled fully qualified names above, this is - * an error + * Any incoming external objects to be passed as arguments to the + * method must be converted to internal objects */ - if (!pathname) { - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Both Handle and Pathname are NULL")); - } else { - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Null Handle with relative pathname [%s]", - pathname)); + if (info->param_count) { + /* + * Allocate a new parameter block for the internal objects + * Add 1 to count to allow for null terminated internal list + */ + info->parameters = ACPI_ALLOCATE_ZEROED(((acpi_size) + info-> + param_count + + 1) * + sizeof(void *)); + if (!info->parameters) { + status = AE_NO_MEMORY; + goto cleanup; + } + + /* Convert each external object in the list to an internal object */ + + for (i = 0; i < info->param_count; i++) { + status = + acpi_ut_copy_eobject_to_iobject + (&external_params->pointer[i], + &info->parameters[i]); + if (ACPI_FAILURE(status)) { + goto cleanup; + } + } + + info->parameters[info->param_count] = NULL; } + break; - status = AE_BAD_PARAMETER; - } else { - /* We have a namespace a node and a possible relative path */ + default: - status = acpi_ns_evaluate(info); + /* Warn if arguments passed to an object that is not a method */ + + if (info->param_count) { + ACPI_WARNING((AE_INFO, + "%u arguments were passed to a non-method ACPI object", + info->param_count)); + } + break; } +#endif + + /* Now we can evaluate the object */ + + status = acpi_ns_evaluate(info); + /* * If we are expecting a return value, and all went well above, * copy the return value to an external object. diff --git a/drivers/acpi/acpica/psxface.c b/drivers/acpi/acpica/psxface.c index f68254268965..11b99ab20bb3 100644 --- a/drivers/acpi/acpica/psxface.c +++ b/drivers/acpi/acpica/psxface.c @@ -125,7 +125,7 @@ static void acpi_ps_start_trace(struct acpi_evaluate_info *info) } if ((!acpi_gbl_trace_method_name) || - (acpi_gbl_trace_method_name != info->resolved_node->name.integer)) { + (acpi_gbl_trace_method_name != info->node->name.integer)) { goto exit; } @@ -170,7 +170,7 @@ static void acpi_ps_stop_trace(struct acpi_evaluate_info *info) } if ((!acpi_gbl_trace_method_name) || - (acpi_gbl_trace_method_name != info->resolved_node->name.integer)) { + (acpi_gbl_trace_method_name != info->node->name.integer)) { goto exit; } @@ -226,15 +226,14 @@ acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info) /* Validate the Info and method Node */ - if (!info || !info->resolved_node) { + if (!info || !info->node) { return_ACPI_STATUS(AE_NULL_ENTRY); } /* Init for new method, wait on concurrency semaphore */ status = - acpi_ds_begin_method_execution(info->resolved_node, info->obj_desc, - NULL); + acpi_ds_begin_method_execution(info->node, info->obj_desc, NULL); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } @@ -253,8 +252,7 @@ acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info) */ ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "**** Begin Method Parse/Execute [%4.4s] **** Node=%p Obj=%p\n", - info->resolved_node->name.ascii, info->resolved_node, - info->obj_desc)); + info->node->name.ascii, info->node, info->obj_desc)); /* Create and init a Root Node */ @@ -275,7 +273,7 @@ acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info) goto cleanup; } - status = acpi_ds_init_aml_walk(walk_state, op, info->resolved_node, + status = acpi_ds_init_aml_walk(walk_state, op, info->node, info->obj_desc->method.aml_start, info->obj_desc->method.aml_length, info, info->pass_number); diff --git a/drivers/acpi/acpica/rsutils.c b/drivers/acpi/acpica/rsutils.c index a44953c6f75d..59bdf37164ba 100644 --- a/drivers/acpi/acpica/rsutils.c +++ b/drivers/acpi/acpica/rsutils.c @@ -736,7 +736,7 @@ acpi_rs_set_srs_method_data(struct acpi_namespace_node *node, } info->prefix_node = node; - info->pathname = METHOD_NAME__SRS; + info->relative_pathname = METHOD_NAME__SRS; info->parameters = args; info->flags = ACPI_IGNORE_RETURN_VALUE; diff --git a/drivers/acpi/acpica/uteval.c b/drivers/acpi/acpica/uteval.c index c3f3a7e7bdc7..1673dddc9cd5 100644 --- a/drivers/acpi/acpica/uteval.c +++ b/drivers/acpi/acpica/uteval.c @@ -87,7 +87,7 @@ acpi_ut_evaluate_object(struct acpi_namespace_node * prefix_node, } info->prefix_node = prefix_node; - info->pathname = path; + info->relative_pathname = path; /* Evaluate the object/method */ diff --git a/drivers/acpi/acpica/utpredef.c b/drivers/acpi/acpica/utpredef.c index 29459479148f..2b1ce4cd3207 100644 --- a/drivers/acpi/acpica/utpredef.c +++ b/drivers/acpi/acpica/utpredef.c @@ -147,6 +147,11 @@ void acpi_ut_get_expected_return_types(char *buffer, u32 expected_btypes) u32 i; u32 j; + if (!expected_btypes) { + ACPI_STRCPY(buffer, "NONE"); + return; + } + j = 1; buffer[0] = 0; this_rtype = ACPI_RTYPE_INTEGER; @@ -328,9 +333,7 @@ static u32 acpi_ut_get_argument_types(char *buffer, u16 argument_types) /* First field in the types list is the count of args to follow */ - arg_count = (argument_types & METHOD_ARG_MASK); - argument_types >>= METHOD_ARG_BIT_WIDTH; - + arg_count = METHOD_GET_ARG_COUNT(argument_types); if (arg_count > METHOD_PREDEF_ARGS_MAX) { printf("**** Invalid argument count (%u) " "in predefined info structure\n", arg_count); @@ -340,7 +343,8 @@ static u32 acpi_ut_get_argument_types(char *buffer, u16 argument_types) /* Get each argument from the list, convert to ascii, store to buffer */ for (i = 0; i < arg_count; i++) { - this_argument_type = (argument_types & METHOD_ARG_MASK); + this_argument_type = METHOD_GET_NEXT_TYPE(argument_types); + if (!this_argument_type || (this_argument_type > METHOD_MAX_ARG_TYPE)) { printf("**** Invalid argument type (%u) " @@ -351,10 +355,6 @@ static u32 acpi_ut_get_argument_types(char *buffer, u16 argument_types) strcat(buffer, ut_external_type_names[this_argument_type] + sub_index); - - /* Shift to next argument type field */ - - argument_types >>= METHOD_ARG_BIT_WIDTH; sub_index = 0; } |
