diff options
Diffstat (limited to 'tools')
29 files changed, 483 insertions, 102 deletions
diff --git a/tools/arch/arm64/include/uapi/asm/kvm.h b/tools/arch/arm64/include/uapi/asm/kvm.h index f209ea151dca..3051f86a9b5f 100644 --- a/tools/arch/arm64/include/uapi/asm/kvm.h +++ b/tools/arch/arm64/include/uapi/asm/kvm.h @@ -87,9 +87,11 @@ struct kvm_regs { /* Supported VGICv3 address types */ #define KVM_VGIC_V3_ADDR_TYPE_DIST 2 #define KVM_VGIC_V3_ADDR_TYPE_REDIST 3 +#define KVM_VGIC_ITS_ADDR_TYPE 4 #define KVM_VGIC_V3_DIST_SIZE SZ_64K #define KVM_VGIC_V3_REDIST_SIZE (2 * SZ_64K) +#define KVM_VGIC_V3_ITS_SIZE (2 * SZ_64K) #define KVM_ARM_VCPU_POWER_OFF 0 /* CPU is started in OFF state */ #define KVM_ARM_VCPU_EL1_32BIT 1 /* CPU running a 32bit VM */ diff --git a/tools/arch/s390/include/uapi/asm/kvm.h b/tools/arch/s390/include/uapi/asm/kvm.h index 3b8e99ef9d58..a2ffec4139ad 100644 --- a/tools/arch/s390/include/uapi/asm/kvm.h +++ b/tools/arch/s390/include/uapi/asm/kvm.h @@ -93,6 +93,47 @@ struct kvm_s390_vm_cpu_machine { __u64 fac_list[256]; }; +#define KVM_S390_VM_CPU_PROCESSOR_FEAT 2 +#define KVM_S390_VM_CPU_MACHINE_FEAT 3 + +#define KVM_S390_VM_CPU_FEAT_NR_BITS 1024 +#define KVM_S390_VM_CPU_FEAT_ESOP 0 +#define KVM_S390_VM_CPU_FEAT_SIEF2 1 +#define KVM_S390_VM_CPU_FEAT_64BSCAO 2 +#define KVM_S390_VM_CPU_FEAT_SIIF 3 +#define KVM_S390_VM_CPU_FEAT_GPERE 4 +#define KVM_S390_VM_CPU_FEAT_GSLS 5 +#define KVM_S390_VM_CPU_FEAT_IB 6 +#define KVM_S390_VM_CPU_FEAT_CEI 7 +#define KVM_S390_VM_CPU_FEAT_IBS 8 +#define KVM_S390_VM_CPU_FEAT_SKEY 9 +#define KVM_S390_VM_CPU_FEAT_CMMA 10 +#define KVM_S390_VM_CPU_FEAT_PFMFI 11 +#define KVM_S390_VM_CPU_FEAT_SIGPIF 12 +struct kvm_s390_vm_cpu_feat { + __u64 feat[16]; +}; + +#define KVM_S390_VM_CPU_PROCESSOR_SUBFUNC 4 +#define KVM_S390_VM_CPU_MACHINE_SUBFUNC 5 +/* for "test bit" instructions MSB 0 bit ordering, for "query" raw blocks */ +struct kvm_s390_vm_cpu_subfunc { + __u8 plo[32]; /* always */ + __u8 ptff[16]; /* with TOD-clock steering */ + __u8 kmac[16]; /* with MSA */ + __u8 kmc[16]; /* with MSA */ + __u8 km[16]; /* with MSA */ + __u8 kimd[16]; /* with MSA */ + __u8 klmd[16]; /* with MSA */ + __u8 pckmo[16]; /* with MSA3 */ + __u8 kmctr[16]; /* with MSA4 */ + __u8 kmf[16]; /* with MSA4 */ + __u8 kmo[16]; /* with MSA4 */ + __u8 pcc[16]; /* with MSA4 */ + __u8 ppno[16]; /* with MSA5 */ + __u8 reserved[1824]; +}; + /* kvm attributes for crypto */ #define KVM_S390_VM_CRYPTO_ENABLE_AES_KW 0 #define KVM_S390_VM_CRYPTO_ENABLE_DEA_KW 1 diff --git a/tools/arch/s390/include/uapi/asm/sie.h b/tools/arch/s390/include/uapi/asm/sie.h index 8fb5d4a6dd25..3ac634368939 100644 --- a/tools/arch/s390/include/uapi/asm/sie.h +++ b/tools/arch/s390/include/uapi/asm/sie.h @@ -140,6 +140,7 @@ exit_code_ipa0(0xB2, 0x4c, "TAR"), \ exit_code_ipa0(0xB2, 0x50, "CSP"), \ exit_code_ipa0(0xB2, 0x54, "MVPG"), \ + exit_code_ipa0(0xB2, 0x56, "STHYI"), \ exit_code_ipa0(0xB2, 0x58, "BSG"), \ exit_code_ipa0(0xB2, 0x5a, "BSA"), \ exit_code_ipa0(0xB2, 0x5f, "CHSC"), \ diff --git a/tools/gpio/gpio-event-mon.c b/tools/gpio/gpio-event-mon.c index 448ed96b3b4f..1c14c2595158 100644 --- a/tools/gpio/gpio-event-mon.c +++ b/tools/gpio/gpio-event-mon.c @@ -1,5 +1,5 @@ /* - * gpio-hammer - example swiss army knife to shake GPIO lines on a system + * gpio-event-mon - monitor GPIO line events from userspace * * Copyright (C) 2016 Linus Walleij * diff --git a/tools/iio/iio_generic_buffer.c b/tools/iio/iio_generic_buffer.c index 0e8a1f7a292d..f39c0e9c0d5c 100644 --- a/tools/iio/iio_generic_buffer.c +++ b/tools/iio/iio_generic_buffer.c @@ -348,7 +348,7 @@ int main(int argc, char **argv) int notrigger = 0; char *dummy; - struct iio_channel_info *channels; + struct iio_channel_info *channels = NULL; register_cleanup(); @@ -456,7 +456,7 @@ int main(int argc, char **argv) if (notrigger) { printf("trigger-less mode selected\n"); - } if (trig_num >= 0) { + } else if (trig_num >= 0) { char *trig_dev_name; ret = asprintf(&trig_dev_name, "%strigger%d", iio_dir, trig_num); if (ret < 0) { diff --git a/tools/include/linux/string.h b/tools/include/linux/string.h index b96879477311..f436d2420a18 100644 --- a/tools/include/linux/string.h +++ b/tools/include/linux/string.h @@ -8,7 +8,11 @@ void *memdup(const void *src, size_t len); int strtobool(const char *s, bool *res); -#ifdef __GLIBC__ +/* + * glibc based builds needs the extern while uClibc doesn't. + * However uClibc headers also define __GLIBC__ hence the hack below + */ +#if defined(__GLIBC__) && !defined(__UCLIBC__) extern size_t strlcpy(char *dest, const char *src, size_t size); #endif diff --git a/tools/lguest/lguest.c b/tools/lguest/lguest.c index d9836c5eb694..11c8d9bc762e 100644 --- a/tools/lguest/lguest.c +++ b/tools/lguest/lguest.c @@ -3266,6 +3266,9 @@ int main(int argc, char *argv[]) } } + /* If we exit via err(), this kills all the threads, restores tty. */ + atexit(cleanup_devices); + /* We always have a console device, and it's always device 1. */ setup_console(); @@ -3369,9 +3372,6 @@ int main(int argc, char *argv[]) /* Ensure that we terminate if a device-servicing child dies. */ signal(SIGCHLD, kill_launcher); - /* If we exit via err(), this kills all the threads, restores tty. */ - atexit(cleanup_devices); - /* If requested, chroot to a directory */ if (chroot_path) { if (chroot(chroot_path) != 0) diff --git a/tools/perf/arch/powerpc/util/sym-handling.c b/tools/perf/arch/powerpc/util/sym-handling.c index 8d4dc97d80ba..35745a733100 100644 --- a/tools/perf/arch/powerpc/util/sym-handling.c +++ b/tools/perf/arch/powerpc/util/sym-handling.c @@ -97,6 +97,7 @@ void arch__fix_tev_from_maps(struct perf_probe_event *pev, } } +#ifdef HAVE_LIBELF_SUPPORT void arch__post_process_probe_trace_events(struct perf_probe_event *pev, int ntevs) { @@ -118,5 +119,6 @@ void arch__post_process_probe_trace_events(struct perf_probe_event *pev, } } } +#endif /* HAVE_LIBELF_SUPPORT */ #endif diff --git a/tools/perf/arch/x86/util/intel-pt.c b/tools/perf/arch/x86/util/intel-pt.c index fb51457ba338..a2412e9d883b 100644 --- a/tools/perf/arch/x86/util/intel-pt.c +++ b/tools/perf/arch/x86/util/intel-pt.c @@ -501,7 +501,7 @@ static int intel_pt_recording_options(struct auxtrace_record *itr, struct intel_pt_recording *ptr = container_of(itr, struct intel_pt_recording, itr); struct perf_pmu *intel_pt_pmu = ptr->intel_pt_pmu; - bool have_timing_info; + bool have_timing_info, need_immediate = false; struct perf_evsel *evsel, *intel_pt_evsel = NULL; const struct cpu_map *cpus = evlist->cpus; bool privileged = geteuid() == 0 || perf_event_paranoid() < 0; @@ -655,6 +655,7 @@ static int intel_pt_recording_options(struct auxtrace_record *itr, ptr->have_sched_switch = 3; } else { opts->record_switch_events = true; + need_immediate = true; if (cpu_wide) ptr->have_sched_switch = 3; else @@ -700,6 +701,9 @@ static int intel_pt_recording_options(struct auxtrace_record *itr, tracking_evsel->attr.freq = 0; tracking_evsel->attr.sample_period = 1; + if (need_immediate) + tracking_evsel->immediate = true; + /* In per-cpu case, always need the time of mmap events etc */ if (!cpu_map__empty(cpus)) { perf_evsel__set_sample_bit(tracking_evsel, TIME); diff --git a/tools/perf/builtin-mem.c b/tools/perf/builtin-mem.c index d608a2c9e48c..d1ce29be560e 100644 --- a/tools/perf/builtin-mem.c +++ b/tools/perf/builtin-mem.c @@ -88,6 +88,9 @@ static int __cmd_record(int argc, const char **argv, struct perf_mem *mem) if (mem->operation & MEM_OPERATION_LOAD) perf_mem_events[PERF_MEM_EVENTS__LOAD].record = true; + if (mem->operation & MEM_OPERATION_STORE) + perf_mem_events[PERF_MEM_EVENTS__STORE].record = true; + if (perf_mem_events[PERF_MEM_EVENTS__LOAD].record) rec_argv[i++] = "-W"; diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 9c640a8081c7..c859e59dfe3e 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -371,14 +371,16 @@ static int perf_session__check_output_opt(struct perf_session *session) if (!no_callchain) { bool use_callchain = false; + bool not_pipe = false; evlist__for_each_entry(session->evlist, evsel) { + not_pipe = true; if (evsel->attr.sample_type & PERF_SAMPLE_CALLCHAIN) { use_callchain = true; break; } } - if (!use_callchain) + if (not_pipe && !use_callchain) symbol_conf.use_callchain = false; } @@ -1690,8 +1692,13 @@ static int list_available_scripts(const struct option *opt __maybe_unused, snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); scripts_dir = opendir(scripts_path); - if (!scripts_dir) - return -1; + if (!scripts_dir) { + fprintf(stdout, + "open(%s) failed.\n" + "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", + scripts_path); + exit(-1); + } for_each_lang(scripts_path, scripts_dir, lang_dirent) { snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index d9b80ef881cd..21fd573106ed 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -507,17 +507,17 @@ static int __perf_evsel__hw_cache_name(u64 config, char *bf, size_t size) u8 op, result, type = (config >> 0) & 0xff; const char *err = "unknown-ext-hardware-cache-type"; - if (type > PERF_COUNT_HW_CACHE_MAX) + if (type >= PERF_COUNT_HW_CACHE_MAX) goto out_err; op = (config >> 8) & 0xff; err = "unknown-ext-hardware-cache-op"; - if (op > PERF_COUNT_HW_CACHE_OP_MAX) + if (op >= PERF_COUNT_HW_CACHE_OP_MAX) goto out_err; result = (config >> 16) & 0xff; err = "unknown-ext-hardware-cache-result"; - if (result > PERF_COUNT_HW_CACHE_RESULT_MAX) + if (result >= PERF_COUNT_HW_CACHE_RESULT_MAX) goto out_err; err = "invalid-cache"; diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c index 9c8f15da86ce..8ff6c6a61291 100644 --- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c +++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c @@ -123,8 +123,6 @@ struct intel_pt_decoder { bool have_calc_cyc_to_tsc; int exec_mode; unsigned int insn_bytes; - uint64_t sign_bit; - uint64_t sign_bits; uint64_t period; enum intel_pt_period_type period_type; uint64_t tot_insn_cnt; @@ -191,9 +189,6 @@ struct intel_pt_decoder *intel_pt_decoder_new(struct intel_pt_params *params) decoder->data = params->data; decoder->return_compression = params->return_compression; - decoder->sign_bit = (uint64_t)1 << 47; - decoder->sign_bits = ~(((uint64_t)1 << 48) - 1); - decoder->period = params->period; decoder->period_type = params->period_type; @@ -362,21 +357,30 @@ int intel_pt__strerror(int code, char *buf, size_t buflen) return 0; } -static uint64_t intel_pt_calc_ip(struct intel_pt_decoder *decoder, - const struct intel_pt_pkt *packet, +static uint64_t intel_pt_calc_ip(const struct intel_pt_pkt *packet, uint64_t last_ip) { uint64_t ip; switch (packet->count) { - case 2: + case 1: ip = (last_ip & (uint64_t)0xffffffffffff0000ULL) | packet->payload; break; - case 4: + case 2: ip = (last_ip & (uint64_t)0xffffffff00000000ULL) | packet->payload; break; + case 3: + ip = packet->payload; + /* Sign-extend 6-byte ip */ + if (ip & (uint64_t)0x800000000000ULL) + ip |= (uint64_t)0xffff000000000000ULL; + break; + case 4: + ip = (last_ip & (uint64_t)0xffff000000000000ULL) | + packet->payload; + break; case 6: ip = packet->payload; break; @@ -384,16 +388,12 @@ static uint64_t intel_pt_calc_ip(struct intel_pt_decoder *decoder, return 0; } - if (ip & decoder->sign_bit) - return ip | decoder->sign_bits; - return ip; } static inline void intel_pt_set_last_ip(struct intel_pt_decoder *decoder) { - decoder->last_ip = intel_pt_calc_ip(decoder, &decoder->packet, - decoder->last_ip); + decoder->last_ip = intel_pt_calc_ip(&decoder->packet, decoder->last_ip); } static inline void intel_pt_set_ip(struct intel_pt_decoder *decoder) @@ -1657,6 +1657,12 @@ next: } } +static inline bool intel_pt_have_ip(struct intel_pt_decoder *decoder) +{ + return decoder->last_ip || decoder->packet.count == 0 || + decoder->packet.count == 3 || decoder->packet.count == 6; +} + /* Walk PSB+ packets to get in sync. */ static int intel_pt_walk_psb(struct intel_pt_decoder *decoder) { @@ -1677,8 +1683,7 @@ static int intel_pt_walk_psb(struct intel_pt_decoder *decoder) case INTEL_PT_FUP: decoder->pge = true; - if (decoder->last_ip || decoder->packet.count == 6 || - decoder->packet.count == 0) { + if (intel_pt_have_ip(decoder)) { uint64_t current_ip = decoder->ip; intel_pt_set_ip(decoder); @@ -1767,8 +1772,7 @@ static int intel_pt_walk_to_ip(struct intel_pt_decoder *decoder) case INTEL_PT_TIP_PGE: case INTEL_PT_TIP: decoder->pge = decoder->packet.type != INTEL_PT_TIP_PGD; - if (decoder->last_ip || decoder->packet.count == 6 || - decoder->packet.count == 0) + if (intel_pt_have_ip(decoder)) intel_pt_set_ip(decoder); if (decoder->ip) return 0; @@ -1776,9 +1780,7 @@ static int intel_pt_walk_to_ip(struct intel_pt_decoder *decoder) case INTEL_PT_FUP: if (decoder->overflow) { - if (decoder->last_ip || - decoder->packet.count == 6 || - decoder->packet.count == 0) + if (intel_pt_have_ip(decoder)) intel_pt_set_ip(decoder); if (decoder->ip) return 0; diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c index b1257c816310..4f7b32020487 100644 --- a/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c +++ b/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c @@ -292,36 +292,46 @@ static int intel_pt_get_ip(enum intel_pt_pkt_type type, unsigned int byte, const unsigned char *buf, size_t len, struct intel_pt_pkt *packet) { - switch (byte >> 5) { + int ip_len; + + packet->count = byte >> 5; + + switch (packet->count) { case 0: - packet->count = 0; + ip_len = 0; break; case 1: if (len < 3) return INTEL_PT_NEED_MORE_BYTES; - packet->count = 2; + ip_len = 2; packet->payload = le16_to_cpu(*(uint16_t *)(buf + 1)); break; case 2: if (len < 5) return INTEL_PT_NEED_MORE_BYTES; - packet->count = 4; + ip_len = 4; packet->payload = le32_to_cpu(*(uint32_t *)(buf + 1)); break; case 3: - case 6: + case 4: if (len < 7) return INTEL_PT_NEED_MORE_BYTES; - packet->count = 6; + ip_len = 6; memcpy_le64(&packet->payload, buf + 1, 6); break; + case 6: + if (len < 9) + return INTEL_PT_NEED_MORE_BYTES; + ip_len = 8; + packet->payload = le64_to_cpu(*(uint64_t *)(buf + 1)); + break; default: return INTEL_PT_BAD_PACKET; } packet->type = type; - return packet->count + 1; + return ip_len + 1; } static int intel_pt_get_mode(const unsigned char *buf, size_t len, diff --git a/tools/perf/util/jitdump.c b/tools/perf/util/jitdump.c index 9f3305f6b6d5..95f0884aae02 100644 --- a/tools/perf/util/jitdump.c +++ b/tools/perf/util/jitdump.c @@ -1,3 +1,4 @@ +#include <sys/sysmacros.h> #include <sys/types.h> #include <stdio.h> #include <stdlib.h> diff --git a/tools/perf/util/probe-file.c b/tools/perf/util/probe-file.c index 9aed9c332da6..9c3b9ed5b3c3 100644 --- a/tools/perf/util/probe-file.c +++ b/tools/perf/util/probe-file.c @@ -133,7 +133,7 @@ int probe_file__open_both(int *kfd, int *ufd, int flag) /* Get raw string list of current kprobe_events or uprobe_events */ struct strlist *probe_file__get_rawlist(int fd) { - int ret, idx; + int ret, idx, fddup; FILE *fp; char buf[MAX_CMDLEN]; char *p; @@ -143,8 +143,17 @@ struct strlist *probe_file__get_rawlist(int fd) return NULL; sl = strlist__new(NULL, NULL); + if (sl == NULL) + return NULL; + + fddup = dup(fd); + if (fddup < 0) + goto out_free_sl; + + fp = fdopen(fddup, "r"); + if (!fp) + goto out_close_fddup; - fp = fdopen(dup(fd), "r"); while (!feof(fp)) { p = fgets(buf, MAX_CMDLEN, fp); if (!p) @@ -156,13 +165,21 @@ struct strlist *probe_file__get_rawlist(int fd) ret = strlist__add(sl, buf); if (ret < 0) { pr_debug("strlist__add failed (%d)\n", ret); - strlist__delete(sl); - return NULL; + goto out_close_fp; } } fclose(fp); return sl; + +out_close_fp: + fclose(fp); + goto out_free_sl; +out_close_fddup: + close(fddup); +out_free_sl: + strlist__delete(sl); + return NULL; } static struct strlist *__probe_file__get_namelist(int fd, bool include_group) @@ -447,12 +464,17 @@ static int probe_cache__load(struct probe_cache *pcache) { struct probe_cache_entry *entry = NULL; char buf[MAX_CMDLEN], *p; - int ret = 0; + int ret = 0, fddup; FILE *fp; - fp = fdopen(dup(pcache->fd), "r"); - if (!fp) + fddup = dup(pcache->fd); + if (fddup < 0) + return -errno; + fp = fdopen(fddup, "r"); + if (!fp) { + close(fddup); return -EINVAL; + } while (!feof(fp)) { if (!fgets(buf, MAX_CMDLEN, fp)) diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c index a34321e9b44d..a811c13a74d6 100644 --- a/tools/perf/util/symbol-elf.c +++ b/tools/perf/util/symbol-elf.c @@ -837,7 +837,8 @@ int dso__load_sym(struct dso *dso, struct map *map, sec = syms_ss->symtab; shdr = syms_ss->symshdr; - if (elf_section_by_name(elf, &ehdr, &tshdr, ".text", NULL)) + if (elf_section_by_name(runtime_ss->elf, &runtime_ss->ehdr, &tshdr, + ".text", NULL)) dso->text_offset = tshdr.sh_addr - tshdr.sh_offset; if (runtime_ss->opdsec) diff --git a/tools/perf/util/unwind-libdw.c b/tools/perf/util/unwind-libdw.c index cf5e250bc78e..783a53fb7a4e 100644 --- a/tools/perf/util/unwind-libdw.c +++ b/tools/perf/util/unwind-libdw.c @@ -66,7 +66,7 @@ static int entry(u64 ip, struct unwind_info *ui) if (__report_module(&al, ip, ui)) return -1; - e->ip = ip; + e->ip = al.addr; e->map = al.map; e->sym = al.sym; diff --git a/tools/perf/util/unwind-libunwind-local.c b/tools/perf/util/unwind-libunwind-local.c index 97c0f8fc5561..20c2e5743903 100644 --- a/tools/perf/util/unwind-libunwind-local.c +++ b/tools/perf/util/unwind-libunwind-local.c @@ -542,7 +542,7 @@ static int entry(u64 ip, struct thread *thread, thread__find_addr_location(thread, PERF_RECORD_MISC_USER, MAP__FUNCTION, ip, &al); - e.ip = ip; + e.ip = al.addr; e.map = al.map; e.sym = al.sym; diff --git a/tools/testing/nvdimm/Kbuild b/tools/testing/nvdimm/Kbuild index ad6dd0543019..582db95127ed 100644 --- a/tools/testing/nvdimm/Kbuild +++ b/tools/testing/nvdimm/Kbuild @@ -13,6 +13,7 @@ ldflags-y += --wrap=__release_region ldflags-y += --wrap=devm_memremap_pages ldflags-y += --wrap=insert_resource ldflags-y += --wrap=remove_resource +ldflags-y += --wrap=acpi_evaluate_object DRIVERS := ../../../drivers NVDIMM_SRC := $(DRIVERS)/nvdimm diff --git a/tools/testing/nvdimm/test/iomap.c b/tools/testing/nvdimm/test/iomap.c index c29f8dca9e67..3ccef732fce9 100644 --- a/tools/testing/nvdimm/test/iomap.c +++ b/tools/testing/nvdimm/test/iomap.c @@ -17,6 +17,7 @@ #include <linux/module.h> #include <linux/types.h> #include <linux/pfn_t.h> +#include <linux/acpi.h> #include <linux/io.h> #include <linux/mm.h> #include "nfit_test.h" @@ -73,7 +74,7 @@ void __iomem *__nfit_test_ioremap(resource_size_t offset, unsigned long size, if (nfit_res) return (void __iomem *) nfit_res->buf + offset - - nfit_res->res->start; + - nfit_res->res.start; return fallback_fn(offset, size); } @@ -84,7 +85,7 @@ void __iomem *__wrap_devm_ioremap_nocache(struct device *dev, if (nfit_res) return (void __iomem *) nfit_res->buf + offset - - nfit_res->res->start; + - nfit_res->res.start; return devm_ioremap_nocache(dev, offset, size); } EXPORT_SYMBOL(__wrap_devm_ioremap_nocache); @@ -95,7 +96,7 @@ void *__wrap_devm_memremap(struct device *dev, resource_size_t offset, struct nfit_test_resource *nfit_res = get_nfit_res(offset); if (nfit_res) - return nfit_res->buf + offset - nfit_res->res->start; + return nfit_res->buf + offset - nfit_res->res.start; return devm_memremap(dev, offset, size, flags); } EXPORT_SYMBOL(__wrap_devm_memremap); @@ -107,7 +108,7 @@ void *__wrap_devm_memremap_pages(struct device *dev, struct resource *res, struct nfit_test_resource *nfit_res = get_nfit_res(offset); if (nfit_res) - return nfit_res->buf + offset - nfit_res->res->start; + return nfit_res->buf + offset - nfit_res->res.start; return devm_memremap_pages(dev, res, ref, altmap); } EXPORT_SYMBOL(__wrap_devm_memremap_pages); @@ -128,7 +129,7 @@ void *__wrap_memremap(resource_size_t offset, size_t size, struct nfit_test_resource *nfit_res = get_nfit_res(offset); if (nfit_res) - return nfit_res->buf + offset - nfit_res->res->start; + return nfit_res->buf + offset - nfit_res->res.start; return memremap(offset, size, flags); } EXPORT_SYMBOL(__wrap_memremap); @@ -174,6 +175,63 @@ void __wrap_memunmap(void *addr) } EXPORT_SYMBOL(__wrap_memunmap); +static bool nfit_test_release_region(struct device *dev, + struct resource *parent, resource_size_t start, + resource_size_t n); + +static void nfit_devres_release(struct device *dev, void *data) +{ + struct resource *res = *((struct resource **) data); + + WARN_ON(!nfit_test_release_region(NULL, &iomem_resource, res->start, + resource_size(res))); +} + +static int match(struct device *dev, void *__res, void *match_data) +{ + struct resource *res = *((struct resource **) __res); + resource_size_t start = *((resource_size_t *) match_data); + + return res->start == start; +} + +static bool nfit_test_release_region(struct device *dev, + struct resource *parent, resource_size_t start, + resource_size_t n) +{ + if (parent == &iomem_resource) { + struct nfit_test_resource *nfit_res = get_nfit_res(start); + + if (nfit_res) { + struct nfit_test_request *req; + struct resource *res = NULL; + + if (dev) { + devres_release(dev, nfit_devres_release, match, + &start); + return true; + } + + spin_lock(&nfit_res->lock); + list_for_each_entry(req, &nfit_res->requests, list) + if (req->res.start == start) { + res = &req->res; + list_del(&req->list); + break; + } + spin_unlock(&nfit_res->lock); + + WARN(!res || resource_size(res) != n, + "%s: start: %llx n: %llx mismatch: %pr\n", + __func__, start, n, res); + if (res) + kfree(req); + return true; + } + } + return false; +} + static struct resource *nfit_test_request_region(struct device *dev, struct resource *parent, resource_size_t start, resource_size_t n, const char *name, int flags) @@ -183,21 +241,57 @@ static struct resource *nfit_test_request_region(struct device *dev, if (parent == &iomem_resource) { nfit_res = get_nfit_res(start); if (nfit_res) { - struct resource *res = nfit_res->res + 1; + struct nfit_test_request *req; + struct resource *res = NULL; - if (start + n > nfit_res->res->start - + resource_size(nfit_res->res)) { + if (start + n > nfit_res->res.start + + resource_size(&nfit_res->res)) { pr_debug("%s: start: %llx n: %llx overflow: %pr\n", __func__, start, n, - nfit_res->res); + &nfit_res->res); return NULL; } + spin_lock(&nfit_res->lock); + list_for_each_entry(req, &nfit_res->requests, list) + if (start == req->res.start) { + res = &req->res; + break; + } + spin_unlock(&nfit_res->lock); + + if (res) { + WARN(1, "%pr already busy\n", res); + return NULL; + } + + req = kzalloc(sizeof(*req), GFP_KERNEL); + if (!req) + return NULL; + INIT_LIST_HEAD(&req->list); + res = &req->res; + res->start = start; res->end = start + n - 1; res->name = name; res->flags = resource_type(parent); res->flags |= IORESOURCE_BUSY | flags; + spin_lock(&nfit_res->lock); + list_add(&req->list, &nfit_res->requests); + spin_unlock(&nfit_res->lock); + + if (dev) { + struct resource **d; + + d = devres_alloc(nfit_devres_release, + sizeof(struct resource *), + GFP_KERNEL); + if (!d) + return NULL; + *d = res; + devres_add(dev, d); + } + pr_debug("%s: %pr\n", __func__, res); return res; } @@ -241,29 +335,10 @@ struct resource *__wrap___devm_request_region(struct device *dev, } EXPORT_SYMBOL(__wrap___devm_request_region); -static bool nfit_test_release_region(struct resource *parent, - resource_size_t start, resource_size_t n) -{ - if (parent == &iomem_resource) { - struct nfit_test_resource *nfit_res = get_nfit_res(start); - if (nfit_res) { - struct resource *res = nfit_res->res + 1; - - if (start != res->start || resource_size(res) != n) - pr_info("%s: start: %llx n: %llx mismatch: %pr\n", - __func__, start, n, res); - else - memset(res, 0, sizeof(*res)); - return true; - } - } - return false; -} - void __wrap___release_region(struct resource *parent, resource_size_t start, resource_size_t n) { - if (!nfit_test_release_region(parent, start, n)) + if (!nfit_test_release_region(NULL, parent, start, n)) __release_region(parent, start, n); } EXPORT_SYMBOL(__wrap___release_region); @@ -271,9 +346,25 @@ EXPORT_SYMBOL(__wrap___release_region); void __wrap___devm_release_region(struct device *dev, struct resource *parent, resource_size_t start, resource_size_t n) { - if (!nfit_test_release_region(parent, start, n)) + if (!nfit_test_release_region(dev, parent, start, n)) __devm_release_region(dev, parent, start, n); } EXPORT_SYMBOL(__wrap___devm_release_region); +acpi_status __wrap_acpi_evaluate_object(acpi_handle handle, acpi_string path, + struct acpi_object_list *p, struct acpi_buffer *buf) +{ + struct nfit_test_resource *nfit_res = get_nfit_res((long) handle); + union acpi_object **obj; + + if (!nfit_res || strcmp(path, "_FIT") || !buf) + return acpi_evaluate_object(handle, path, p, buf); + + obj = nfit_res->buf; + buf->length = sizeof(union acpi_object); + buf->pointer = *obj; + return AE_OK; +} +EXPORT_SYMBOL(__wrap_acpi_evaluate_object); + MODULE_LICENSE("GPL v2"); diff --git a/tools/testing/nvdimm/test/nfit.c b/tools/testing/nvdimm/test/nfit.c index dd48f421844c..c9a6458cb63e 100644 --- a/tools/testing/nvdimm/test/nfit.c +++ b/tools/testing/nvdimm/test/nfit.c @@ -132,6 +132,8 @@ static u32 handle[NUM_DCR] = { [4] = NFIT_DIMM_HANDLE(0, 1, 0, 0, 0), }; +static unsigned long dimm_fail_cmd_flags[NUM_DCR]; + struct nfit_test { struct acpi_nfit_desc acpi_desc; struct platform_device pdev; @@ -154,11 +156,14 @@ struct nfit_test { int (*alloc)(struct nfit_test *t); void (*setup)(struct nfit_test *t); int setup_hotplug; + union acpi_object **_fit; + dma_addr_t _fit_dma; struct ars_state { struct nd_cmd_ars_status *ars_status; unsigned long deadline; spinlock_t lock; } ars_state; + struct device *dimm_dev[NUM_DCR]; }; static struct nfit_test *to_nfit_test(struct device *dev) @@ -411,6 +416,9 @@ static int nfit_test_ctl(struct nvdimm_bus_descriptor *nd_desc, if (i >= ARRAY_SIZE(handle)) return -ENXIO; + if ((1 << func) & dimm_fail_cmd_flags[i]) + return -EIO; + switch (func) { case ND_CMD_GET_CONFIG_SIZE: rc = nfit_test_cmd_get_config_size(buf, buf_len); @@ -428,6 +436,9 @@ static int nfit_test_ctl(struct nvdimm_bus_descriptor *nd_desc, break; case ND_CMD_SMART_THRESHOLD: rc = nfit_test_cmd_smart_threshold(buf, buf_len); + device_lock(&t->pdev.dev); + __acpi_nvdimm_notify(t->dimm_dev[i], 0x81); + device_unlock(&t->pdev.dev); break; default: return -ENOTTY; @@ -467,14 +478,12 @@ static struct nfit_test *instances[NUM_NFITS]; static void release_nfit_res(void *data) { struct nfit_test_resource *nfit_res = data; - struct resource *res = nfit_res->res; spin_lock(&nfit_test_lock); list_del(&nfit_res->list); spin_unlock(&nfit_test_lock); vfree(nfit_res->buf); - kfree(res); kfree(nfit_res); } @@ -482,12 +491,11 @@ static void *__test_alloc(struct nfit_test *t, size_t size, dma_addr_t *dma, void *buf) { struct device *dev = &t->pdev.dev; - struct resource *res = kzalloc(sizeof(*res) * 2, GFP_KERNEL); struct nfit_test_resource *nfit_res = kzalloc(sizeof(*nfit_res), GFP_KERNEL); int rc; - if (!res || !buf || !nfit_res) + if (!buf || !nfit_res) goto err; rc = devm_add_action(dev, release_nfit_res, nfit_res); if (rc) @@ -496,10 +504,11 @@ static void *__test_alloc(struct nfit_test *t, size_t size, dma_addr_t *dma, memset(buf, 0, size); nfit_res->dev = dev; nfit_res->buf = buf; - nfit_res->res = res; - res->start = *dma; - res->end = *dma + size - 1; - res->name = "NFIT"; + nfit_res->res.start = *dma; + nfit_res->res.end = *dma + size - 1; + nfit_res->res.name = "NFIT"; + spin_lock_init(&nfit_res->lock); + INIT_LIST_HEAD(&nfit_res->requests); spin_lock(&nfit_test_lock); list_add(&nfit_res->list, &t->resources); spin_unlock(&nfit_test_lock); @@ -508,7 +517,6 @@ static void *__test_alloc(struct nfit_test *t, size_t size, dma_addr_t *dma, err: if (buf) vfree(buf); - kfree(res); kfree(nfit_res); return NULL; } @@ -533,13 +541,13 @@ static struct nfit_test_resource *nfit_test_lookup(resource_size_t addr) continue; spin_lock(&nfit_test_lock); list_for_each_entry(n, &t->resources, list) { - if (addr >= n->res->start && (addr < n->res->start - + resource_size(n->res))) { + if (addr >= n->res.start && (addr < n->res.start + + resource_size(&n->res))) { nfit_res = n; break; } else if (addr >= (unsigned long) n->buf && (addr < (unsigned long) n->buf - + resource_size(n->res))) { + + resource_size(&n->res))) { nfit_res = n; break; } @@ -564,6 +572,86 @@ static int ars_state_init(struct device *dev, struct ars_state *ars_state) return 0; } +static void put_dimms(void *data) +{ + struct device **dimm_dev = data; + int i; + + for (i = 0; i < NUM_DCR; i++) + if (dimm_dev[i]) + device_unregister(dimm_dev[i]); +} + +static struct class *nfit_test_dimm; + +static int dimm_name_to_id(struct device *dev) +{ + int dimm; + + if (sscanf(dev_name(dev), "test_dimm%d", &dimm) != 1 + || dimm >= NUM_DCR || dimm < 0) + return -ENXIO; + return dimm; +} + + +static ssize_t handle_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + int dimm = dimm_name_to_id(dev); + + if (dimm < 0) + return dimm; + + return sprintf(buf, "%#x", handle[dimm]); +} +DEVICE_ATTR_RO(handle); + +static ssize_t fail_cmd_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + int dimm = dimm_name_to_id(dev); + + if (dimm < 0) + return dimm; + + return sprintf(buf, "%#lx\n", dimm_fail_cmd_flags[dimm]); +} + +static ssize_t fail_cmd_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t size) +{ + int dimm = dimm_name_to_id(dev); + unsigned long val; + ssize_t rc; + + if (dimm < 0) + return dimm; + + rc = kstrtol(buf, 0, &val); + if (rc) + return rc; + + dimm_fail_cmd_flags[dimm] = val; + return size; +} +static DEVICE_ATTR_RW(fail_cmd); + +static struct attribute *nfit_test_dimm_attributes[] = { + &dev_attr_fail_cmd.attr, + &dev_attr_handle.attr, + NULL, +}; + +static struct attribute_group nfit_test_dimm_attribute_group = { + .attrs = nfit_test_dimm_attributes, +}; + +static const struct attribute_group *nfit_test_dimm_attribute_groups[] = { + &nfit_test_dimm_attribute_group, + NULL, +}; + static int nfit_test0_alloc(struct nfit_test *t) { size_t nfit_size = sizeof(struct acpi_nfit_system_address) * NUM_SPA @@ -603,7 +691,8 @@ static int nfit_test0_alloc(struct nfit_test *t) return -ENOMEM; sprintf(t->label[i], "label%d", i); - t->flush[i] = test_alloc(t, sizeof(u64) * NUM_HINTS, + t->flush[i] = test_alloc(t, max(PAGE_SIZE, + sizeof(u64) * NUM_HINTS), &t->flush_dma[i]); if (!t->flush[i]) return -ENOMEM; @@ -615,6 +704,21 @@ static int nfit_test0_alloc(struct nfit_test *t) return -ENOMEM; } + t->_fit = test_alloc(t, sizeof(union acpi_object **), &t->_fit_dma); + if (!t->_fit) + return -ENOMEM; + + if (devm_add_action_or_reset(&t->pdev.dev, put_dimms, t->dimm_dev)) + return -ENOMEM; + for (i = 0; i < NUM_DCR; i++) { + t->dimm_dev[i] = device_create_with_groups(nfit_test_dimm, + &t->pdev.dev, 0, NULL, + nfit_test_dimm_attribute_groups, + "test_dimm%d", i); + if (!t->dimm_dev[i]) + return -ENOMEM; + } + return ars_state_init(&t->pdev.dev, &t->ars_state); } @@ -1408,6 +1512,8 @@ static int nfit_test_probe(struct platform_device *pdev) struct acpi_nfit_desc *acpi_desc; struct device *dev = &pdev->dev; struct nfit_test *nfit_test; + struct nfit_mem *nfit_mem; + union acpi_object *obj; int rc; nfit_test = to_nfit_test(&pdev->dev); @@ -1475,14 +1581,30 @@ static int nfit_test_probe(struct platform_device *pdev) if (nfit_test->setup != nfit_test0_setup) return 0; - flush_work(&acpi_desc->work); nfit_test->setup_hotplug = 1; nfit_test->setup(nfit_test); - rc = acpi_nfit_init(acpi_desc, nfit_test->nfit_buf, - nfit_test->nfit_size); - if (rc) - return rc; + obj = kzalloc(sizeof(*obj), GFP_KERNEL); + if (!obj) + return -ENOMEM; + obj->type = ACPI_TYPE_BUFFER; + obj->buffer.length = nfit_test->nfit_size; + obj->buffer.pointer = nfit_test->nfit_buf; + *(nfit_test->_fit) = obj; + __acpi_nfit_notify(&pdev->dev, nfit_test, 0x80); + + /* associate dimm devices with nfit_mem data for notification testing */ + mutex_lock(&acpi_desc->init_mutex); + list_for_each_entry(nfit_mem, &acpi_desc->dimms, list) { + u32 nfit_handle = __to_nfit_memdev(nfit_mem)->device_handle; + int i; + + for (i = 0; i < NUM_DCR; i++) + if (nfit_handle == handle[i]) + dev_set_drvdata(nfit_test->dimm_dev[i], + nfit_mem); + } + mutex_unlock(&acpi_desc->init_mutex); return 0; } @@ -1517,6 +1639,10 @@ static __init int nfit_test_init(void) { int rc, i; + nfit_test_dimm = class_create(THIS_MODULE, "nfit_test_dimm"); + if (IS_ERR(nfit_test_dimm)) + return PTR_ERR(nfit_test_dimm); + nfit_test_setup(nfit_test_lookup); for (i = 0; i < NUM_NFITS; i++) { @@ -1583,6 +1709,7 @@ static __exit void nfit_test_exit(void) for (i = 0; i < NUM_NFITS; i++) platform_device_unregister(&instances[i]->pdev); nfit_test_teardown(); + class_destroy(nfit_test_dimm); } module_init(nfit_test_init); diff --git a/tools/testing/nvdimm/test/nfit_test.h b/tools/testing/nvdimm/test/nfit_test.h index 9f18e2a4a862..c281dd2e5e2d 100644 --- a/tools/testing/nvdimm/test/nfit_test.h +++ b/tools/testing/nvdimm/test/nfit_test.h @@ -13,11 +13,21 @@ #ifndef __NFIT_TEST_H__ #define __NFIT_TEST_H__ #include <linux/list.h> +#include <linux/ioport.h> +#include <linux/spinlock_types.h> + +struct nfit_test_request { + struct list_head list; + struct resource res; +}; struct nfit_test_resource { + struct list_head requests; struct list_head list; - struct resource *res; + struct resource res; struct device *dev; + spinlock_t lock; + int req_count; void *buf; }; diff --git a/tools/virtio/linux/dma-mapping.h b/tools/virtio/linux/dma-mapping.h index 4f93af89ae16..18601f6689b9 100644 --- a/tools/virtio/linux/dma-mapping.h +++ b/tools/virtio/linux/dma-mapping.h @@ -14,4 +14,20 @@ enum dma_data_direction { DMA_NONE = 3, }; +#define dma_alloc_coherent(d, s, hp, f) ({ \ + void *__dma_alloc_coherent_p = kmalloc((s), (f)); \ + *(hp) = (unsigned long)__dma_alloc_coherent_p; \ + __dma_alloc_coherent_p; \ +}) + +#define dma_free_coherent(d, s, p, h) kfree(p) + +#define dma_map_page(d, p, o, s, dir) (page_to_phys(p) + (o)) + +#define dma_map_single(d, p, s, dir) (virt_to_phys(p)) +#define dma_mapping_error(...) (0) + +#define dma_unmap_single(...) do { } while (0) +#define dma_unmap_page(...) do { } while (0) + #endif diff --git a/tools/virtio/linux/kernel.h b/tools/virtio/linux/kernel.h index 033849948215..d9554fc3f340 100644 --- a/tools/virtio/linux/kernel.h +++ b/tools/virtio/linux/kernel.h @@ -20,7 +20,9 @@ #define PAGE_SIZE getpagesize() #define PAGE_MASK (~(PAGE_SIZE-1)) +#define PAGE_ALIGN(x) ((x + PAGE_SIZE - 1) & PAGE_MASK) +typedef unsigned long long phys_addr_t; typedef unsigned long long dma_addr_t; typedef size_t __kernel_size_t; typedef unsigned int __wsum; @@ -57,6 +59,11 @@ static inline void *kzalloc(size_t s, gfp_t gfp) return p; } +static inline void *alloc_pages_exact(size_t s, gfp_t gfp) +{ + return kmalloc(s, gfp); +} + static inline void kfree(void *p) { if (p >= __kfree_ignore_start && p < __kfree_ignore_end) @@ -64,6 +71,11 @@ static inline void kfree(void *p) free(p); } +static inline void free_pages_exact(void *p, size_t s) +{ + kfree(p); +} + static inline void *krealloc(void *p, size_t s, gfp_t gfp) { return realloc(p, s); @@ -105,6 +117,8 @@ static inline void free_page(unsigned long addr) #define dev_err(dev, format, ...) fprintf (stderr, format, ## __VA_ARGS__) #define dev_warn(dev, format, ...) fprintf (stderr, format, ## __VA_ARGS__) +#define WARN_ON_ONCE(cond) ((cond) && fprintf (stderr, "WARNING\n")) + #define min(x, y) ({ \ typeof(x) _min1 = (x); \ typeof(y) _min2 = (y); \ diff --git a/tools/virtio/linux/slab.h b/tools/virtio/linux/slab.h index 81baeac8ae40..7e1c1197d439 100644 --- a/tools/virtio/linux/slab.h +++ b/tools/virtio/linux/slab.h @@ -1,2 +1,6 @@ #ifndef LINUX_SLAB_H +#define GFP_KERNEL 0 +#define GFP_ATOMIC 0 +#define __GFP_NOWARN 0 +#define __GFP_ZERO 0 #endif diff --git a/tools/virtio/linux/virtio.h b/tools/virtio/linux/virtio.h index ee125e714053..9377c8b4ac16 100644 --- a/tools/virtio/linux/virtio.h +++ b/tools/virtio/linux/virtio.h @@ -3,8 +3,12 @@ #include <linux/scatterlist.h> #include <linux/kernel.h> +struct device { + void *parent; +}; + struct virtio_device { - void *dev; + struct device dev; u64 features; }; diff --git a/tools/virtio/linux/virtio_config.h b/tools/virtio/linux/virtio_config.h index 57a6964a1e35..9ba11815e0a1 100644 --- a/tools/virtio/linux/virtio_config.h +++ b/tools/virtio/linux/virtio_config.h @@ -40,6 +40,19 @@ static inline void __virtio_clear_bit(struct virtio_device *vdev, #define virtio_has_feature(dev, feature) \ (__virtio_test_bit((dev), feature)) +/** + * virtio_has_iommu_quirk - determine whether this device has the iommu quirk + * @vdev: the device + */ +static inline bool virtio_has_iommu_quirk(const struct virtio_device *vdev) +{ + /* + * Note the reverse polarity of the quirk feature (compared to most + * other features), this is for compatibility with legacy systems. + */ + return !virtio_has_feature(vdev, VIRTIO_F_IOMMU_PLATFORM); +} + static inline bool virtio_is_little_endian(struct virtio_device *vdev) { return virtio_has_feature(vdev, VIRTIO_F_VERSION_1) || diff --git a/tools/virtio/ringtest/ptr_ring.c b/tools/virtio/ringtest/ptr_ring.c index 68e4f9f0da3a..bd2ad1d3b7a9 100644 --- a/tools/virtio/ringtest/ptr_ring.c +++ b/tools/virtio/ringtest/ptr_ring.c @@ -13,6 +13,7 @@ #define cache_line_size() SMP_CACHE_BYTES #define ____cacheline_aligned_in_smp __attribute__ ((aligned (SMP_CACHE_BYTES))) #define unlikely(x) (__builtin_expect(!!(x), 0)) +#define likely(x) (__builtin_expect(!!(x), 1)) #define ALIGN(x, a) (((x) + (a) - 1) / (a) * (a)) typedef pthread_spinlock_t spinlock_t; |
