diff options
Diffstat (limited to 'tools/testing')
66 files changed, 3023 insertions, 653 deletions
diff --git a/tools/testing/nvdimm/Kbuild b/tools/testing/nvdimm/Kbuild index db33b28c5ef3..0392153a0009 100644 --- a/tools/testing/nvdimm/Kbuild +++ b/tools/testing/nvdimm/Kbuild @@ -37,10 +37,12 @@ obj-$(CONFIG_DEV_DAX_PMEM) += dax_pmem.o nfit-y := $(ACPI_SRC)/core.o nfit-$(CONFIG_X86_MCE) += $(ACPI_SRC)/mce.o +nfit-y += acpi_nfit_test.o nfit-y += config_check.o nd_pmem-y := $(NVDIMM_SRC)/pmem.o nd_pmem-y += pmem-dax.o +nd_pmem-y += pmem_test.o nd_pmem-y += config_check.o nd_btt-y := $(NVDIMM_SRC)/btt.o @@ -57,6 +59,7 @@ dax-y += config_check.o device_dax-y := $(DAX_SRC)/device.o device_dax-y += dax-dev.o +device_dax-y += device_dax_test.o device_dax-y += config_check.o dax_pmem-y := $(DAX_SRC)/pmem.o @@ -75,6 +78,7 @@ libnvdimm-$(CONFIG_ND_CLAIM) += $(NVDIMM_SRC)/claim.o libnvdimm-$(CONFIG_BTT) += $(NVDIMM_SRC)/btt_devs.o libnvdimm-$(CONFIG_NVDIMM_PFN) += $(NVDIMM_SRC)/pfn_devs.o libnvdimm-$(CONFIG_NVDIMM_DAX) += $(NVDIMM_SRC)/dax_devs.o +libnvdimm-y += libnvdimm_test.o libnvdimm-y += config_check.o obj-m += test/ diff --git a/tools/testing/nvdimm/acpi_nfit_test.c b/tools/testing/nvdimm/acpi_nfit_test.c new file mode 100644 index 000000000000..43521512e577 --- /dev/null +++ b/tools/testing/nvdimm/acpi_nfit_test.c @@ -0,0 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright(c) 2018 Intel Corporation. All rights reserved. + +#include <linux/module.h> +#include <linux/printk.h> +#include "watermark.h" + +nfit_test_watermark(acpi_nfit); diff --git a/tools/testing/nvdimm/device_dax_test.c b/tools/testing/nvdimm/device_dax_test.c new file mode 100644 index 000000000000..24b17bf42429 --- /dev/null +++ b/tools/testing/nvdimm/device_dax_test.c @@ -0,0 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright(c) 2018 Intel Corporation. All rights reserved. + +#include <linux/module.h> +#include <linux/printk.h> +#include "watermark.h" + +nfit_test_watermark(device_dax); diff --git a/tools/testing/nvdimm/libnvdimm_test.c b/tools/testing/nvdimm/libnvdimm_test.c new file mode 100644 index 000000000000..00ca30b23932 --- /dev/null +++ b/tools/testing/nvdimm/libnvdimm_test.c @@ -0,0 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright(c) 2018 Intel Corporation. All rights reserved. + +#include <linux/module.h> +#include <linux/printk.h> +#include "watermark.h" + +nfit_test_watermark(libnvdimm); diff --git a/tools/testing/nvdimm/pmem_test.c b/tools/testing/nvdimm/pmem_test.c new file mode 100644 index 000000000000..fd38f92275cf --- /dev/null +++ b/tools/testing/nvdimm/pmem_test.c @@ -0,0 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright(c) 2018 Intel Corporation. All rights reserved. + +#include <linux/module.h> +#include <linux/printk.h> +#include "watermark.h" + +nfit_test_watermark(pmem); diff --git a/tools/testing/nvdimm/test/iomap.c b/tools/testing/nvdimm/test/iomap.c index e1f75a1914a1..ff9d3a5825e1 100644 --- a/tools/testing/nvdimm/test/iomap.c +++ b/tools/testing/nvdimm/test/iomap.c @@ -104,15 +104,14 @@ void *__wrap_devm_memremap(struct device *dev, resource_size_t offset, } EXPORT_SYMBOL(__wrap_devm_memremap); -void *__wrap_devm_memremap_pages(struct device *dev, struct resource *res, - struct percpu_ref *ref, struct vmem_altmap *altmap) +void *__wrap_devm_memremap_pages(struct device *dev, struct dev_pagemap *pgmap) { - resource_size_t offset = res->start; + resource_size_t offset = pgmap->res.start; struct nfit_test_resource *nfit_res = get_nfit_res(offset); if (nfit_res) return nfit_res->buf + offset - nfit_res->res.start; - return devm_memremap_pages(dev, res, ref, altmap); + return devm_memremap_pages(dev, pgmap); } EXPORT_SYMBOL(__wrap_devm_memremap_pages); diff --git a/tools/testing/nvdimm/test/nfit.c b/tools/testing/nvdimm/test/nfit.c index 7217b2b953b5..620fa78b3b1b 100644 --- a/tools/testing/nvdimm/test/nfit.c +++ b/tools/testing/nvdimm/test/nfit.c @@ -27,6 +27,7 @@ #include <nfit.h> #include <nd.h> #include "nfit_test.h" +#include "../watermark.h" /* * Generate an NFIT table to describe the following topology: @@ -137,6 +138,14 @@ static u32 handle[] = { static unsigned long dimm_fail_cmd_flags[NUM_DCR]; +struct nfit_test_fw { + enum intel_fw_update_state state; + u32 context; + u64 version; + u32 size_received; + u64 end_time; +}; + struct nfit_test { struct acpi_nfit_desc acpi_desc; struct platform_device pdev; @@ -168,8 +177,11 @@ struct nfit_test { spinlock_t lock; } ars_state; struct device *dimm_dev[NUM_DCR]; + struct nd_intel_smart *smart; + struct nd_intel_smart_threshold *smart_threshold; struct badrange badrange; struct work_struct work; + struct nfit_test_fw *fw; }; static struct workqueue_struct *nfit_wq; @@ -181,6 +193,226 @@ static struct nfit_test *to_nfit_test(struct device *dev) return container_of(pdev, struct nfit_test, pdev); } +static int nd_intel_test_get_fw_info(struct nfit_test *t, + struct nd_intel_fw_info *nd_cmd, unsigned int buf_len, + int idx) +{ + struct device *dev = &t->pdev.dev; + struct nfit_test_fw *fw = &t->fw[idx]; + + dev_dbg(dev, "%s(nfit_test: %p nd_cmd: %p, buf_len: %u, idx: %d\n", + __func__, t, nd_cmd, buf_len, idx); + + if (buf_len < sizeof(*nd_cmd)) + return -EINVAL; + + nd_cmd->status = 0; + nd_cmd->storage_size = INTEL_FW_STORAGE_SIZE; + nd_cmd->max_send_len = INTEL_FW_MAX_SEND_LEN; + nd_cmd->query_interval = INTEL_FW_QUERY_INTERVAL; + nd_cmd->max_query_time = INTEL_FW_QUERY_MAX_TIME; + nd_cmd->update_cap = 0; + nd_cmd->fis_version = INTEL_FW_FIS_VERSION; + nd_cmd->run_version = 0; + nd_cmd->updated_version = fw->version; + + return 0; +} + +static int nd_intel_test_start_update(struct nfit_test *t, + struct nd_intel_fw_start *nd_cmd, unsigned int buf_len, + int idx) +{ + struct device *dev = &t->pdev.dev; + struct nfit_test_fw *fw = &t->fw[idx]; + + dev_dbg(dev, "%s(nfit_test: %p nd_cmd: %p buf_len: %u idx: %d)\n", + __func__, t, nd_cmd, buf_len, idx); + + if (buf_len < sizeof(*nd_cmd)) + return -EINVAL; + + if (fw->state != FW_STATE_NEW) { + /* extended status, FW update in progress */ + nd_cmd->status = 0x10007; + return 0; + } + + fw->state = FW_STATE_IN_PROGRESS; + fw->context++; + fw->size_received = 0; + nd_cmd->status = 0; + nd_cmd->context = fw->context; + + dev_dbg(dev, "%s: context issued: %#x\n", __func__, nd_cmd->context); + + return 0; +} + +static int nd_intel_test_send_data(struct nfit_test *t, + struct nd_intel_fw_send_data *nd_cmd, unsigned int buf_len, + int idx) +{ + struct device *dev = &t->pdev.dev; + struct nfit_test_fw *fw = &t->fw[idx]; + u32 *status = (u32 *)&nd_cmd->data[nd_cmd->length]; + + dev_dbg(dev, "%s(nfit_test: %p nd_cmd: %p buf_len: %u idx: %d)\n", + __func__, t, nd_cmd, buf_len, idx); + + if (buf_len < sizeof(*nd_cmd)) + return -EINVAL; + + + dev_dbg(dev, "%s: cmd->status: %#x\n", __func__, *status); + dev_dbg(dev, "%s: cmd->data[0]: %#x\n", __func__, nd_cmd->data[0]); + dev_dbg(dev, "%s: cmd->data[%u]: %#x\n", __func__, nd_cmd->length-1, + nd_cmd->data[nd_cmd->length-1]); + + if (fw->state != FW_STATE_IN_PROGRESS) { + dev_dbg(dev, "%s: not in IN_PROGRESS state\n", __func__); + *status = 0x5; + return 0; + } + + if (nd_cmd->context != fw->context) { + dev_dbg(dev, "%s: incorrect context: in: %#x correct: %#x\n", + __func__, nd_cmd->context, fw->context); + *status = 0x10007; + return 0; + } + + /* + * check offset + len > size of fw storage + * check length is > max send length + */ + if (nd_cmd->offset + nd_cmd->length > INTEL_FW_STORAGE_SIZE || + nd_cmd->length > INTEL_FW_MAX_SEND_LEN) { + *status = 0x3; + dev_dbg(dev, "%s: buffer boundary violation\n", __func__); + return 0; + } + + fw->size_received += nd_cmd->length; + dev_dbg(dev, "%s: copying %u bytes, %u bytes so far\n", + __func__, nd_cmd->length, fw->size_received); + *status = 0; + return 0; +} + +static int nd_intel_test_finish_fw(struct nfit_test *t, + struct nd_intel_fw_finish_update *nd_cmd, + unsigned int buf_len, int idx) +{ + struct device *dev = &t->pdev.dev; + struct nfit_test_fw *fw = &t->fw[idx]; + + dev_dbg(dev, "%s(nfit_test: %p nd_cmd: %p buf_len: %u idx: %d)\n", + __func__, t, nd_cmd, buf_len, idx); + + if (fw->state == FW_STATE_UPDATED) { + /* update already done, need cold boot */ + nd_cmd->status = 0x20007; + return 0; + } + + dev_dbg(dev, "%s: context: %#x ctrl_flags: %#x\n", + __func__, nd_cmd->context, nd_cmd->ctrl_flags); + + switch (nd_cmd->ctrl_flags) { + case 0: /* finish */ + if (nd_cmd->context != fw->context) { + dev_dbg(dev, "%s: incorrect context: in: %#x correct: %#x\n", + __func__, nd_cmd->context, + fw->context); + nd_cmd->status = 0x10007; + return 0; + } + nd_cmd->status = 0; + fw->state = FW_STATE_VERIFY; + /* set 1 second of time for firmware "update" */ + fw->end_time = jiffies + HZ; + break; + + case 1: /* abort */ + fw->size_received = 0; + /* successfully aborted status */ + nd_cmd->status = 0x40007; + fw->state = FW_STATE_NEW; + dev_dbg(dev, "%s: abort successful\n", __func__); + break; + + default: /* bad control flag */ + dev_warn(dev, "%s: unknown control flag: %#x\n", + __func__, nd_cmd->ctrl_flags); + return -EINVAL; + } + + return 0; +} + +static int nd_intel_test_finish_query(struct nfit_test *t, + struct nd_intel_fw_finish_query *nd_cmd, + unsigned int buf_len, int idx) +{ + struct device *dev = &t->pdev.dev; + struct nfit_test_fw *fw = &t->fw[idx]; + + dev_dbg(dev, "%s(nfit_test: %p nd_cmd: %p buf_len: %u idx: %d)\n", + __func__, t, nd_cmd, buf_len, idx); + + if (buf_len < sizeof(*nd_cmd)) + return -EINVAL; + + if (nd_cmd->context != fw->context) { + dev_dbg(dev, "%s: incorrect context: in: %#x correct: %#x\n", + __func__, nd_cmd->context, fw->context); + nd_cmd->status = 0x10007; + return 0; + } + + dev_dbg(dev, "%s context: %#x\n", __func__, nd_cmd->context); + + switch (fw->state) { + case FW_STATE_NEW: + nd_cmd->updated_fw_rev = 0; + nd_cmd->status = 0; + dev_dbg(dev, "%s: new state\n", __func__); + break; + + case FW_STATE_IN_PROGRESS: + /* sequencing error */ + nd_cmd->status = 0x40007; + nd_cmd->updated_fw_rev = 0; + dev_dbg(dev, "%s: sequence error\n", __func__); + break; + + case FW_STATE_VERIFY: + if (time_is_after_jiffies64(fw->end_time)) { + nd_cmd->updated_fw_rev = 0; + nd_cmd->status = 0x20007; + dev_dbg(dev, "%s: still verifying\n", __func__); + break; + } + + dev_dbg(dev, "%s: transition out verify\n", __func__); + fw->state = FW_STATE_UPDATED; + /* we are going to fall through if it's "done" */ + case FW_STATE_UPDATED: + nd_cmd->status = 0; + /* bogus test version */ + fw->version = nd_cmd->updated_fw_rev = + INTEL_FW_FAKE_VERSION; + dev_dbg(dev, "%s: updated\n", __func__); + break; + + default: /* we should never get here */ + return -EINVAL; + } + + return 0; +} + static int nfit_test_cmd_get_config_size(struct nd_cmd_get_config_size *nd_cmd, unsigned int buf_len) { @@ -440,39 +672,66 @@ static int nfit_test_cmd_translate_spa(struct nvdimm_bus *bus, return 0; } -static int nfit_test_cmd_smart(struct nd_cmd_smart *smart, unsigned int buf_len) +static int nfit_test_cmd_smart(struct nd_intel_smart *smart, unsigned int buf_len, + struct nd_intel_smart *smart_data) { - static const struct nd_smart_payload smart_data = { - .flags = ND_SMART_HEALTH_VALID | ND_SMART_TEMP_VALID - | ND_SMART_SPARES_VALID | ND_SMART_ALARM_VALID - | ND_SMART_USED_VALID | ND_SMART_SHUTDOWN_VALID, - .health = ND_SMART_NON_CRITICAL_HEALTH, - .temperature = 23 * 16, - .spares = 75, - .alarm_flags = ND_SMART_SPARE_TRIP | ND_SMART_TEMP_TRIP, - .life_used = 5, - .shutdown_state = 0, - .vendor_size = 0, - }; - if (buf_len < sizeof(*smart)) return -EINVAL; - memcpy(smart->data, &smart_data, sizeof(smart_data)); + memcpy(smart, smart_data, sizeof(*smart)); return 0; } -static int nfit_test_cmd_smart_threshold(struct nd_cmd_smart_threshold *smart_t, - unsigned int buf_len) +static int nfit_test_cmd_smart_threshold( + struct nd_intel_smart_threshold *out, + unsigned int buf_len, + struct nd_intel_smart_threshold *smart_t) { - static const struct nd_smart_threshold_payload smart_t_data = { - .alarm_control = ND_SMART_SPARE_TRIP | ND_SMART_TEMP_TRIP, - .temperature = 40 * 16, - .spares = 5, - }; - if (buf_len < sizeof(*smart_t)) return -EINVAL; - memcpy(smart_t->data, &smart_t_data, sizeof(smart_t_data)); + memcpy(out, smart_t, sizeof(*smart_t)); + return 0; +} + +static void smart_notify(struct device *bus_dev, + struct device *dimm_dev, struct nd_intel_smart *smart, + struct nd_intel_smart_threshold *thresh) +{ + dev_dbg(dimm_dev, "%s: alarm: %#x spares: %d (%d) mtemp: %d (%d) ctemp: %d (%d)\n", + __func__, thresh->alarm_control, thresh->spares, + smart->spares, thresh->media_temperature, + smart->media_temperature, thresh->ctrl_temperature, + smart->ctrl_temperature); + if (((thresh->alarm_control & ND_INTEL_SMART_SPARE_TRIP) + && smart->spares + <= thresh->spares) + || ((thresh->alarm_control & ND_INTEL_SMART_TEMP_TRIP) + && smart->media_temperature + >= thresh->media_temperature) + || ((thresh->alarm_control & ND_INTEL_SMART_CTEMP_TRIP) + && smart->ctrl_temperature + >= thresh->ctrl_temperature)) { + device_lock(bus_dev); + __acpi_nvdimm_notify(dimm_dev, 0x81); + device_unlock(bus_dev); + } +} + +static int nfit_test_cmd_smart_set_threshold( + struct nd_intel_smart_set_threshold *in, + unsigned int buf_len, + struct nd_intel_smart_threshold *thresh, + struct nd_intel_smart *smart, + struct device *bus_dev, struct device *dimm_dev) +{ + unsigned int size; + + size = sizeof(*in) - 4; + if (buf_len < size) + return -EINVAL; + memcpy(thresh->data, in, size); + in->status = 0; + smart_notify(bus_dev, dimm_dev, smart, thresh); + return 0; } @@ -563,6 +822,52 @@ static int nfit_test_cmd_ars_inject_status(struct nfit_test *t, return 0; } +static int nd_intel_test_cmd_set_lss_status(struct nfit_test *t, + struct nd_intel_lss *nd_cmd, unsigned int buf_len) +{ + struct device *dev = &t->pdev.dev; + + if (buf_len < sizeof(*nd_cmd)) + return -EINVAL; + + switch (nd_cmd->enable) { + case 0: + nd_cmd->status = 0; + dev_dbg(dev, "%s: Latch System Shutdown Status disabled\n", + __func__); + break; + case 1: + nd_cmd->status = 0; + dev_dbg(dev, "%s: Latch System Shutdown Status enabled\n", + __func__); + break; + default: + dev_warn(dev, "Unknown enable value: %#x\n", nd_cmd->enable); + nd_cmd->status = 0x3; + break; + } + + + return 0; +} + +static int get_dimm(struct nfit_mem *nfit_mem, unsigned int func) +{ + int i; + + /* lookup per-dimm data */ + for (i = 0; i < ARRAY_SIZE(handle); i++) + if (__to_nfit_memdev(nfit_mem)->device_handle == handle[i]) + break; + if (i >= ARRAY_SIZE(handle)) + return -ENXIO; + + if ((1 << func) & dimm_fail_cmd_flags[i]) + return -EIO; + + return i; +} + static int nfit_test_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm, unsigned int cmd, void *buf, unsigned int buf_len, int *cmd_rc) @@ -591,22 +896,57 @@ static int nfit_test_ctl(struct nvdimm_bus_descriptor *nd_desc, func = call_pkg->nd_command; if (call_pkg->nd_family != nfit_mem->family) return -ENOTTY; + + i = get_dimm(nfit_mem, func); + if (i < 0) + return i; + + switch (func) { + case ND_INTEL_ENABLE_LSS_STATUS: + return nd_intel_test_cmd_set_lss_status(t, + buf, buf_len); + case ND_INTEL_FW_GET_INFO: + return nd_intel_test_get_fw_info(t, buf, + buf_len, i - t->dcr_idx); + case ND_INTEL_FW_START_UPDATE: + return nd_intel_test_start_update(t, buf, + buf_len, i - t->dcr_idx); + case ND_INTEL_FW_SEND_DATA: + return nd_intel_test_send_data(t, buf, + buf_len, i - t->dcr_idx); + case ND_INTEL_FW_FINISH_UPDATE: + return nd_intel_test_finish_fw(t, buf, + buf_len, i - t->dcr_idx); + case ND_INTEL_FW_FINISH_QUERY: + return nd_intel_test_finish_query(t, buf, + buf_len, i - t->dcr_idx); + case ND_INTEL_SMART: + return nfit_test_cmd_smart(buf, buf_len, + &t->smart[i - t->dcr_idx]); + case ND_INTEL_SMART_THRESHOLD: + return nfit_test_cmd_smart_threshold(buf, + buf_len, + &t->smart_threshold[i - + t->dcr_idx]); + case ND_INTEL_SMART_SET_THRESHOLD: + return nfit_test_cmd_smart_set_threshold(buf, + buf_len, + &t->smart_threshold[i - + t->dcr_idx], + &t->smart[i - t->dcr_idx], + &t->pdev.dev, t->dimm_dev[i]); + default: + return -ENOTTY; + } } if (!test_bit(cmd, &cmd_mask) || !test_bit(func, &nfit_mem->dsm_mask)) return -ENOTTY; - /* lookup label space for the given dimm */ - for (i = 0; i < ARRAY_SIZE(handle); i++) - if (__to_nfit_memdev(nfit_mem)->device_handle == - handle[i]) - break; - if (i >= ARRAY_SIZE(handle)) - return -ENXIO; - - if ((1 << func) & dimm_fail_cmd_flags[i]) - return -EIO; + i = get_dimm(nfit_mem, func); + if (i < 0) + return i; switch (func) { case ND_CMD_GET_CONFIG_SIZE: @@ -620,15 +960,6 @@ static int nfit_test_ctl(struct nvdimm_bus_descriptor *nd_desc, rc = nfit_test_cmd_set_config_data(buf, buf_len, t->label[i - t->dcr_idx]); break; - case ND_CMD_SMART: - rc = nfit_test_cmd_smart(buf, buf_len); - 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; } @@ -872,6 +1203,44 @@ static const struct attribute_group *nfit_test_dimm_attribute_groups[] = { NULL, }; +static void smart_init(struct nfit_test *t) +{ + int i; + const struct nd_intel_smart_threshold smart_t_data = { + .alarm_control = ND_INTEL_SMART_SPARE_TRIP + | ND_INTEL_SMART_TEMP_TRIP, + .media_temperature = 40 * 16, + .ctrl_temperature = 30 * 16, + .spares = 5, + }; + const struct nd_intel_smart smart_data = { + .flags = ND_INTEL_SMART_HEALTH_VALID + | ND_INTEL_SMART_SPARES_VALID + | ND_INTEL_SMART_ALARM_VALID + | ND_INTEL_SMART_USED_VALID + | ND_INTEL_SMART_SHUTDOWN_VALID + | ND_INTEL_SMART_MTEMP_VALID, + .health = ND_INTEL_SMART_NON_CRITICAL_HEALTH, + .media_temperature = 23 * 16, + .ctrl_temperature = 30 * 16, + .pmic_temperature = 40 * 16, + .spares = 75, + .alarm_flags = ND_INTEL_SMART_SPARE_TRIP + | ND_INTEL_SMART_TEMP_TRIP, + .ait_status = 1, + .life_used = 5, + .shutdown_state = 0, + .vendor_size = 0, + .shutdown_count = 100, + }; + + for (i = 0; i < t->num_dcr; i++) { + memcpy(&t->smart[i], &smart_data, sizeof(smart_data)); + memcpy(&t->smart_threshold[i], &smart_t_data, + sizeof(smart_t_data)); + } +} + static int nfit_test0_alloc(struct nfit_test *t) { size_t nfit_size = sizeof(struct acpi_nfit_system_address) * NUM_SPA @@ -881,7 +1250,8 @@ static int nfit_test0_alloc(struct nfit_test *t) window_size) * NUM_DCR + sizeof(struct acpi_nfit_data_region) * NUM_BDW + (sizeof(struct acpi_nfit_flush_address) - + sizeof(u64) * NUM_HINTS) * NUM_DCR; + + sizeof(u64) * NUM_HINTS) * NUM_DCR + + sizeof(struct acpi_nfit_capabilities); int i; t->nfit_buf = test_alloc(t, nfit_size, &t->nfit_dma); @@ -939,6 +1309,7 @@ static int nfit_test0_alloc(struct nfit_test *t) return -ENOMEM; } + smart_init(t); return ars_state_init(&t->pdev.dev, &t->ars_state); } @@ -969,6 +1340,7 @@ static int nfit_test1_alloc(struct nfit_test *t) if (!t->spa_set[1]) return -ENOMEM; + smart_init(t); return ars_state_init(&t->pdev.dev, &t->ars_state); } @@ -993,6 +1365,7 @@ static void nfit_test0_setup(struct nfit_test *t) struct acpi_nfit_control_region *dcr; struct acpi_nfit_data_region *bdw; struct acpi_nfit_flush_address *flush; + struct acpi_nfit_capabilities *pcap; unsigned int offset, i; /* @@ -1500,8 +1873,16 @@ static void nfit_test0_setup(struct nfit_test *t) for (i = 0; i < NUM_HINTS; i++) flush->hint_address[i] = t->flush_dma[3] + i * sizeof(u64); + /* platform capabilities */ + pcap = nfit_buf + offset + flush_hint_size * 4; + pcap->header.type = ACPI_NFIT_TYPE_CAPABILITIES; + pcap->header.length = sizeof(*pcap); + pcap->highest_capability = 1; + pcap->capabilities = ACPI_NFIT_CAPABILITY_CACHE_FLUSH | + ACPI_NFIT_CAPABILITY_MEM_FLUSH; + if (t->setup_hotplug) { - offset = offset + flush_hint_size * 4; + offset = offset + flush_hint_size * 4 + sizeof(*pcap); /* dcr-descriptor4: blk */ dcr = nfit_buf + offset; dcr->header.type = ACPI_NFIT_TYPE_CONTROL_REGION; @@ -1642,17 +2023,24 @@ static void nfit_test0_setup(struct nfit_test *t) set_bit(ND_CMD_GET_CONFIG_SIZE, &acpi_desc->dimm_cmd_force_en); set_bit(ND_CMD_GET_CONFIG_DATA, &acpi_desc->dimm_cmd_force_en); set_bit(ND_CMD_SET_CONFIG_DATA, &acpi_desc->dimm_cmd_force_en); - set_bit(ND_CMD_SMART, &acpi_desc->dimm_cmd_force_en); + set_bit(ND_INTEL_SMART, &acpi_desc->dimm_cmd_force_en); + set_bit(ND_INTEL_SMART_THRESHOLD, &acpi_desc->dimm_cmd_force_en); + set_bit(ND_INTEL_SMART_SET_THRESHOLD, &acpi_desc->dimm_cmd_force_en); set_bit(ND_CMD_ARS_CAP, &acpi_desc->bus_cmd_force_en); set_bit(ND_CMD_ARS_START, &acpi_desc->bus_cmd_force_en); set_bit(ND_CMD_ARS_STATUS, &acpi_desc->bus_cmd_force_en); set_bit(ND_CMD_CLEAR_ERROR, &acpi_desc->bus_cmd_force_en); set_bit(ND_CMD_CALL, &acpi_desc->bus_cmd_force_en); - set_bit(ND_CMD_SMART_THRESHOLD, &acpi_desc->dimm_cmd_force_en); set_bit(NFIT_CMD_TRANSLATE_SPA, &acpi_desc->bus_nfit_cmd_force_en); set_bit(NFIT_CMD_ARS_INJECT_SET, &acpi_desc->bus_nfit_cmd_force_en); set_bit(NFIT_CMD_ARS_INJECT_CLEAR, &acpi_desc->bus_nfit_cmd_force_en); set_bit(NFIT_CMD_ARS_INJECT_GET, &acpi_desc->bus_nfit_cmd_force_en); + set_bit(ND_INTEL_FW_GET_INFO, &acpi_desc->dimm_cmd_force_en); + set_bit(ND_INTEL_FW_START_UPDATE, &acpi_desc->dimm_cmd_force_en); + set_bit(ND_INTEL_FW_SEND_DATA, &acpi_desc->dimm_cmd_force_en); + set_bit(ND_INTEL_FW_FINISH_UPDATE, &acpi_desc->dimm_cmd_force_en); + set_bit(ND_INTEL_FW_FINISH_QUERY, &acpi_desc->dimm_cmd_force_en); + set_bit(ND_INTEL_ENABLE_LSS_STATUS, &acpi_desc->dimm_cmd_force_en); } static void nfit_test1_setup(struct nfit_test *t) @@ -1750,6 +2138,7 @@ static void nfit_test1_setup(struct nfit_test *t) set_bit(ND_CMD_ARS_START, &acpi_desc->bus_cmd_force_en); set_bit(ND_CMD_ARS_STATUS, &acpi_desc->bus_cmd_force_en); set_bit(ND_CMD_CLEAR_ERROR, &acpi_desc->bus_cmd_force_en); + set_bit(ND_INTEL_ENABLE_LSS_STATUS, &acpi_desc->dimm_cmd_force_en); } static int nfit_test_blk_do_io(struct nd_blk_region *ndbr, resource_size_t dpa, @@ -2054,10 +2443,18 @@ static int nfit_test_probe(struct platform_device *pdev) sizeof(struct nfit_test_dcr *), GFP_KERNEL); nfit_test->dcr_dma = devm_kcalloc(dev, num, sizeof(dma_addr_t), GFP_KERNEL); + nfit_test->smart = devm_kcalloc(dev, num, + sizeof(struct nd_intel_smart), GFP_KERNEL); + nfit_test->smart_threshold = devm_kcalloc(dev, num, + sizeof(struct nd_intel_smart_threshold), + GFP_KERNEL); + nfit_test->fw = devm_kcalloc(dev, num, + sizeof(struct nfit_test_fw), GFP_KERNEL); if (nfit_test->dimm && nfit_test->dimm_dma && nfit_test->label && nfit_test->label_dma && nfit_test->dcr && nfit_test->dcr_dma && nfit_test->flush - && nfit_test->flush_dma) + && nfit_test->flush_dma + && nfit_test->fw) /* pass */; else return -ENOMEM; @@ -2159,6 +2556,11 @@ static __init int nfit_test_init(void) { int rc, i; + pmem_test(); + libnvdimm_test(); + acpi_nfit_test(); + device_dax_test(); + nfit_test_setup(nfit_test_lookup, nfit_test_evaluate_dsm); nfit_wq = create_singlethread_workqueue("nfit"); diff --git a/tools/testing/nvdimm/test/nfit_test.h b/tools/testing/nvdimm/test/nfit_test.h index 113b44675a71..428344519cdf 100644 --- a/tools/testing/nvdimm/test/nfit_test.h +++ b/tools/testing/nvdimm/test/nfit_test.h @@ -84,6 +84,140 @@ struct nd_cmd_ars_err_inj_stat { } __packed record[0]; } __packed; +#define ND_INTEL_SMART 1 +#define ND_INTEL_SMART_THRESHOLD 2 +#define ND_INTEL_ENABLE_LSS_STATUS 10 +#define ND_INTEL_FW_GET_INFO 12 +#define ND_INTEL_FW_START_UPDATE 13 +#define ND_INTEL_FW_SEND_DATA 14 +#define ND_INTEL_FW_FINISH_UPDATE 15 +#define ND_INTEL_FW_FINISH_QUERY 16 +#define ND_INTEL_SMART_SET_THRESHOLD 17 + +#define ND_INTEL_SMART_HEALTH_VALID (1 << 0) +#define ND_INTEL_SMART_SPARES_VALID (1 << 1) +#define ND_INTEL_SMART_USED_VALID (1 << 2) +#define ND_INTEL_SMART_MTEMP_VALID (1 << 3) +#define ND_INTEL_SMART_CTEMP_VALID (1 << 4) +#define ND_INTEL_SMART_SHUTDOWN_COUNT_VALID (1 << 5) +#define ND_INTEL_SMART_AIT_STATUS_VALID (1 << 6) +#define ND_INTEL_SMART_PTEMP_VALID (1 << 7) +#define ND_INTEL_SMART_ALARM_VALID (1 << 9) +#define ND_INTEL_SMART_SHUTDOWN_VALID (1 << 10) +#define ND_INTEL_SMART_VENDOR_VALID (1 << 11) +#define ND_INTEL_SMART_SPARE_TRIP (1 << 0) +#define ND_INTEL_SMART_TEMP_TRIP (1 << 1) +#define ND_INTEL_SMART_CTEMP_TRIP (1 << 2) +#define ND_INTEL_SMART_NON_CRITICAL_HEALTH (1 << 0) +#define ND_INTEL_SMART_CRITICAL_HEALTH (1 << 1) +#define ND_INTEL_SMART_FATAL_HEALTH (1 << 2) + +struct nd_intel_smart { + __u32 status; + union { + struct { + __u32 flags; + __u8 reserved0[4]; + __u8 health; + __u8 spares; + __u8 life_used; + __u8 alarm_flags; + __u16 media_temperature; + __u16 ctrl_temperature; + __u32 shutdown_count; + __u8 ait_status; + __u16 pmic_temperature; + __u8 reserved1[8]; + __u8 shutdown_state; + __u32 vendor_size; + __u8 vendor_data[92]; + } __packed; + __u8 data[128]; + }; +} __packed; + +struct nd_intel_smart_threshold { + __u32 status; + union { + struct { + __u16 alarm_control; + __u8 spares; + __u16 media_temperature; + __u16 ctrl_temperature; + __u8 reserved[1]; + } __packed; + __u8 data[8]; + }; +} __packed; + +struct nd_intel_smart_set_threshold { + __u16 alarm_control; + __u8 spares; + __u16 media_temperature; + __u16 ctrl_temperature; + __u32 status; +} __packed; + +#define INTEL_FW_STORAGE_SIZE 0x100000 +#define INTEL_FW_MAX_SEND_LEN 0xFFEC +#define INTEL_FW_QUERY_INTERVAL 250000 +#define INTEL_FW_QUERY_MAX_TIME 3000000 +#define INTEL_FW_FIS_VERSION 0x0105 +#define INTEL_FW_FAKE_VERSION 0xffffffffabcd + +enum intel_fw_update_state { + FW_STATE_NEW = 0, + FW_STATE_IN_PROGRESS, + FW_STATE_VERIFY, + FW_STATE_UPDATED, +}; + +struct nd_intel_fw_info { + __u32 status; + __u32 storage_size; + __u32 max_send_len; + __u32 query_interval; + __u32 max_query_time; + __u8 update_cap; + __u8 reserved[3]; + __u32 fis_version; + __u64 run_version; + __u64 updated_version; +} __packed; + +struct nd_intel_fw_start { + __u32 status; + __u32 context; +} __packed; + +/* this one has the output first because the variable input data size */ +struct nd_intel_fw_send_data { + __u32 context; + __u32 offset; + __u32 length; + __u8 data[0]; +/* this field is not declared due ot variable data from input */ +/* __u32 status; */ +} __packed; + +struct nd_intel_fw_finish_update { + __u8 ctrl_flags; + __u8 reserved[3]; + __u32 context; + __u32 status; +} __packed; + +struct nd_intel_fw_finish_query { + __u32 context; + __u32 status; + __u64 updated_fw_rev; +} __packed; + +struct nd_intel_lss { + __u8 enable; + __u32 status; +} __packed; + union acpi_object; typedef void *acpi_handle; diff --git a/tools/testing/nvdimm/watermark.h b/tools/testing/nvdimm/watermark.h new file mode 100644 index 000000000000..ed0528757bd4 --- /dev/null +++ b/tools/testing/nvdimm/watermark.h @@ -0,0 +1,21 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright(c) 2018 Intel Corporation. All rights reserved. +#ifndef _TEST_NVDIMM_WATERMARK_H_ +#define _TEST_NVDIMM_WATERMARK_H_ +int pmem_test(void); +int libnvdimm_test(void); +int acpi_nfit_test(void); +int device_dax_test(void); + +/* + * dummy routine for nfit_test to validate it is linking to the properly + * mocked module and not the standard one from the base tree. + */ +#define nfit_test_watermark(x) \ +int x##_test(void) \ +{ \ + pr_debug("%s for nfit_test\n", KBUILD_MODNAME); \ + return 0; \ +} \ +EXPORT_SYMBOL(x##_test) +#endif /* _TEST_NVDIMM_WATERMARK_H_ */ diff --git a/tools/testing/radix-tree/idr-test.c b/tools/testing/radix-tree/idr-test.c index 30cd0b296f1a..44ef9eba5a7a 100644 --- a/tools/testing/radix-tree/idr-test.c +++ b/tools/testing/radix-tree/idr-test.c @@ -153,11 +153,12 @@ void idr_nowait_test(void) idr_destroy(&idr); } -void idr_get_next_test(void) +void idr_get_next_test(int base) { unsigned long i; int nextid; DEFINE_IDR(idr); + idr_init_base(&idr, base); int indices[] = {4, 7, 9, 15, 65, 128, 1000, 99999, 0}; @@ -207,6 +208,7 @@ void idr_checks(void) assert(idr_alloc(&idr, item, i, i + 10, GFP_KERNEL) == i); } assert(idr_alloc(&idr, DUMMY_PTR, i - 2, i, GFP_KERNEL) == -ENOSPC); + assert(idr_alloc(&idr, DUMMY_PTR, i - 2, i + 10, GFP_KERNEL) == -ENOSPC); idr_for_each(&idr, item_idr_free, &idr); idr_destroy(&idr); @@ -214,6 +216,23 @@ void idr_checks(void) assert(idr_is_empty(&idr)); + idr_set_cursor(&idr, INT_MAX - 3UL); + for (i = INT_MAX - 3UL; i < INT_MAX + 3UL; i++) { + struct item *item; + unsigned int id; + if (i <= INT_MAX) + item = item_create(i, 0); + else + item = item_create(i - INT_MAX - 1, 0); + + id = idr_alloc_cyclic(&idr, item, 0, 0, GFP_KERNEL); + assert(id == item->index); + } + + idr_for_each(&idr, item_idr_free, &idr); + idr_destroy(&idr); + assert(idr_is_empty(&idr)); + for (i = 1; i < 10000; i++) { struct item *item = item_create(i, 0); assert(idr_alloc(&idr, item, 1, 20000, GFP_KERNEL) == i); @@ -226,7 +245,9 @@ void idr_checks(void) idr_alloc_test(); idr_null_test(); idr_nowait_test(); - idr_get_next_test(); + idr_get_next_test(0); + idr_get_next_test(1); + idr_get_next_test(4); } /* @@ -380,7 +401,7 @@ void ida_check_random(void) do { ida_pre_get(&ida, GFP_KERNEL); err = ida_get_new_above(&ida, bit, &id); - } while (err == -ENOMEM); + } while (err == -EAGAIN); assert(!err); assert(id == bit); } @@ -489,7 +510,7 @@ static void *ida_random_fn(void *arg) void ida_thread_tests(void) { - pthread_t threads[10]; + pthread_t threads[20]; int i; for (i = 0; i < ARRAY_SIZE(threads); i++) diff --git a/tools/testing/radix-tree/linux/kernel.h b/tools/testing/radix-tree/linux/kernel.h index c3bc3f364f68..426f32f28547 100644 --- a/tools/testing/radix-tree/linux/kernel.h +++ b/tools/testing/radix-tree/linux/kernel.h @@ -17,6 +17,4 @@ #define pr_debug printk #define pr_cont printk -#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) - #endif /* _KERNEL_H */ diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile index eaf599dc2137..7442dfb73b7f 100644 --- a/tools/testing/selftests/Makefile +++ b/tools/testing/selftests/Makefile @@ -116,8 +116,15 @@ ifdef INSTALL_PATH @# Ask all targets to emit their test scripts echo "#!/bin/sh" > $(ALL_SCRIPT) - echo "cd \$$(dirname \$$0)" >> $(ALL_SCRIPT) + echo "BASE_DIR=\$$(realpath \$$(dirname \$$0))" >> $(ALL_SCRIPT) + echo "cd \$$BASE_DIR" >> $(ALL_SCRIPT) echo "ROOT=\$$PWD" >> $(ALL_SCRIPT) + echo "if [ \"\$$1\" = \"--summary\" ]; then" >> $(ALL_SCRIPT) + echo " OUTPUT=\$$BASE_DIR/output.log" >> $(ALL_SCRIPT) + echo " cat /dev/null > \$$OUTPUT" >> $(ALL_SCRIPT) + echo "else" >> $(ALL_SCRIPT) + echo " OUTPUT=/dev/stdout" >> $(ALL_SCRIPT) + echo "fi" >> $(ALL_SCRIPT) for TARGET in $(TARGETS); do \ BUILD_TARGET=$$BUILD/$$TARGET; \ diff --git a/tools/testing/selftests/bpf/.gitignore b/tools/testing/selftests/bpf/.gitignore index 1e09d77f1948..cc15af2e54fe 100644 --- a/tools/testing/selftests/bpf/.gitignore +++ b/tools/testing/selftests/bpf/.gitignore @@ -8,5 +8,6 @@ fixdep test_align test_dev_cgroup test_progs +test_tcpbpf_user test_verifier_log feature diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile index bf05bc5e36e5..5c43c187f27c 100644 --- a/tools/testing/selftests/bpf/Makefile +++ b/tools/testing/selftests/bpf/Makefile @@ -13,6 +13,7 @@ endif CFLAGS += -Wall -O2 -I$(APIDIR) -I$(LIBDIR) -I$(GENDIR) $(GENFLAGS) -I../../../include LDLIBS += -lcap -lelf -lrt -lpthread +# Order correspond to 'make run_tests' order TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test_progs \ test_align test_verifier_log test_dev_cgroup test_tcpbpf_user @@ -22,15 +23,24 @@ TEST_GEN_FILES = test_pkt_access.o test_xdp.o test_l4lb.o test_tcp_estats.o test test_l4lb_noinline.o test_xdp_noinline.o test_stacktrace_map.o \ sample_map_ret0.o test_tcpbpf_kern.o -TEST_PROGS := test_kmod.sh test_xdp_redirect.sh test_xdp_meta.sh \ +# Order correspond to 'make run_tests' order +TEST_PROGS := test_kmod.sh \ + test_libbpf.sh \ + test_xdp_redirect.sh \ + test_xdp_meta.sh \ test_offload.py +# Compile but not part of 'make run_tests' +TEST_GEN_PROGS_EXTENDED = test_libbpf_open + include ../lib.mk -BPFOBJ := $(OUTPUT)/libbpf.a $(OUTPUT)/cgroup_helpers.c +BPFOBJ := $(OUTPUT)/libbpf.a cgroup_helpers.c $(TEST_GEN_PROGS): $(BPFOBJ) +$(TEST_GEN_PROGS_EXTENDED): $(OUTPUT)/libbpf.a + .PHONY: force # force a rebuild of BPFOBJ when its dependencies are updated @@ -58,7 +68,7 @@ CLANG_FLAGS = -I. -I./include/uapi -I../../../include/uapi \ $(OUTPUT)/test_l4lb_noinline.o: CLANG_FLAGS += -fno-inline $(OUTPUT)/test_xdp_noinline.o: CLANG_FLAGS += -fno-inline -%.o: %.c +$(OUTPUT)/%.o: %.c $(CLANG) $(CLANG_FLAGS) \ -O2 -target bpf -emit-llvm -c $< -o - | \ $(LLC) -march=bpf -mcpu=$(CPU) -filetype=obj -o $@ diff --git a/tools/testing/selftests/bpf/test_kmod.sh b/tools/testing/selftests/bpf/test_kmod.sh index ed4774d8d6ed..35669ccd4d23 100755 --- a/tools/testing/selftests/bpf/test_kmod.sh +++ b/tools/testing/selftests/bpf/test_kmod.sh @@ -10,9 +10,21 @@ test_run() echo "[ JIT enabled:$1 hardened:$2 ]" dmesg -C - insmod $SRC_TREE/lib/test_bpf.ko 2> /dev/null - if [ $? -ne 0 ]; then - rc=1 + if [ -f ${SRC_TREE}/lib/test_bpf.ko ]; then + insmod ${SRC_TREE}/lib/test_bpf.ko 2> /dev/null + if [ $? -ne 0 ]; then + rc=1 + fi + else + # Use modprobe dry run to check for missing test_bpf module + if ! /sbin/modprobe -q -n test_bpf; then + echo "test_bpf: [SKIP]" + elif /sbin/modprobe -q test_bpf; then + echo "test_bpf: ok" + else + echo "test_bpf: [FAIL]" + rc=1 + fi fi rmmod test_bpf 2> /dev/null dmesg | grep FAIL diff --git a/tools/testing/selftests/bpf/test_libbpf.sh b/tools/testing/selftests/bpf/test_libbpf.sh new file mode 100755 index 000000000000..d97dc914cd49 --- /dev/null +++ b/tools/testing/selftests/bpf/test_libbpf.sh @@ -0,0 +1,49 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 + +export TESTNAME=test_libbpf + +# Determine selftest success via shell exit code +exit_handler() +{ + if (( $? == 0 )); then + echo "selftests: $TESTNAME [PASS]"; + else + echo "$TESTNAME: failed at file $LAST_LOADED" 1>&2 + echo "selftests: $TESTNAME [FAILED]"; + fi +} + +libbpf_open_file() +{ + LAST_LOADED=$1 + if [ -n "$VERBOSE" ]; then + ./test_libbpf_open $1 + else + ./test_libbpf_open --quiet $1 + fi +} + +# Exit script immediately (well catched by trap handler) if any +# program/thing exits with a non-zero status. +set -e + +# (Use 'trap -l' to list meaning of numbers) +trap exit_handler 0 2 3 6 9 + +libbpf_open_file test_l4lb.o + +# TODO: fix libbpf to load noinline functions +# [warning] libbpf: incorrect bpf_call opcode +#libbpf_open_file test_l4lb_noinline.o + +# TODO: fix test_xdp_meta.c to load with libbpf +# [warning] libbpf: test_xdp_meta.o doesn't provide kernel version +#libbpf_open_file test_xdp_meta.o + +# TODO: fix libbpf to handle .eh_frame +# [warning] libbpf: relocation failed: no section(10) +#libbpf_open_file ../../../../samples/bpf/tracex3_kern.o + +# Success +exit 0 diff --git a/tools/testing/selftests/bpf/test_libbpf_open.c b/tools/testing/selftests/bpf/test_libbpf_open.c new file mode 100644 index 000000000000..8fcd1c076add --- /dev/null +++ b/tools/testing/selftests/bpf/test_libbpf_open.c @@ -0,0 +1,150 @@ +/* SPDX-License-Identifier: GPL-2.0 + * Copyright (c) 2018 Jesper Dangaard Brouer, Red Hat Inc. + */ +static const char *__doc__ = + "Libbpf test program for loading BPF ELF object files"; + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <stdarg.h> +#include <bpf/libbpf.h> +#include <getopt.h> + +static const struct option long_options[] = { + {"help", no_argument, NULL, 'h' }, + {"debug", no_argument, NULL, 'D' }, + {"quiet", no_argument, NULL, 'q' }, + {0, 0, NULL, 0 } +}; + +static void usage(char *argv[]) +{ + int i; + + printf("\nDOCUMENTATION:\n%s\n\n", __doc__); + printf(" Usage: %s (options-see-below) BPF_FILE\n", argv[0]); + printf(" Listing options:\n"); + for (i = 0; long_options[i].name != 0; i++) { + printf(" --%-12s", long_options[i].name); + printf(" short-option: -%c", + long_options[i].val); + printf("\n"); + } + printf("\n"); +} + +#define DEFINE_PRINT_FN(name, enabled) \ +static int libbpf_##name(const char *fmt, ...) \ +{ \ + va_list args; \ + int ret; \ + \ + va_start(args, fmt); \ + if (enabled) { \ + fprintf(stderr, "[" #name "] "); \ + ret = vfprintf(stderr, fmt, args); \ + } \ + va_end(args); \ + return ret; \ +} +DEFINE_PRINT_FN(warning, 1) +DEFINE_PRINT_FN(info, 1) +DEFINE_PRINT_FN(debug, 1) + +#define EXIT_FAIL_LIBBPF EXIT_FAILURE +#define EXIT_FAIL_OPTION 2 + +int test_walk_progs(struct bpf_object *obj, bool verbose) +{ + struct bpf_program *prog; + int cnt = 0; + + bpf_object__for_each_program(prog, obj) { + cnt++; + if (verbose) + printf("Prog (count:%d) section_name: %s\n", cnt, + bpf_program__title(prog, false)); + } + return 0; +} + +int test_walk_maps(struct bpf_object *obj, bool verbose) +{ + struct bpf_map *map; + int cnt = 0; + + bpf_map__for_each(map, obj) { + cnt++; + if (verbose) + printf("Map (count:%d) name: %s\n", cnt, + bpf_map__name(map)); + } + return 0; +} + +int test_open_file(char *filename, bool verbose) +{ + struct bpf_object *bpfobj = NULL; + long err; + + if (verbose) + printf("Open BPF ELF-file with libbpf: %s\n", filename); + + /* Load BPF ELF object file and check for errors */ + bpfobj = bpf_object__open(filename); + err = libbpf_get_error(bpfobj); + if (err) { + char err_buf[128]; + libbpf_strerror(err, err_buf, sizeof(err_buf)); + if (verbose) + printf("Unable to load eBPF objects in file '%s': %s\n", + filename, err_buf); + return EXIT_FAIL_LIBBPF; + } + test_walk_progs(bpfobj, verbose); + test_walk_maps(bpfobj, verbose); + + if (verbose) + printf("Close BPF ELF-file with libbpf: %s\n", + bpf_object__name(bpfobj)); + bpf_object__close(bpfobj); + + return 0; +} + +int main(int argc, char **argv) +{ + char filename[1024] = { 0 }; + bool verbose = 1; + int longindex = 0; + int opt; + + libbpf_set_print(libbpf_warning, libbpf_info, NULL); + + /* Parse commands line args */ + while ((opt = getopt_long(argc, argv, "hDq", + long_options, &longindex)) != -1) { + switch (opt) { + case 'D': + libbpf_set_print(libbpf_warning, libbpf_info, + libbpf_debug); + break; + case 'q': /* Use in scripting mode */ + verbose = 0; + break; + case 'h': + default: + usage(argv); + return EXIT_FAIL_OPTION; + } + } + if (optind >= argc) { + usage(argv); + printf("ERROR: Expected BPF_FILE argument after options\n"); + return EXIT_FAIL_OPTION; + } + snprintf(filename, sizeof(filename), "%s", argv[optind]); + + return test_open_file(filename, verbose); +} diff --git a/tools/testing/selftests/bpf/test_verifier.c b/tools/testing/selftests/bpf/test_verifier.c index 697bd83de295..c0f16e93f9bd 100644 --- a/tools/testing/selftests/bpf/test_verifier.c +++ b/tools/testing/selftests/bpf/test_verifier.c @@ -7780,6 +7780,20 @@ static struct bpf_test tests[] = { .result = REJECT, }, { + "XDP, using ifindex from netdev", + .insns = { + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, + offsetof(struct xdp_md, ingress_ifindex)), + BPF_JMP_IMM(BPF_JLT, BPF_REG_2, 1, 1), + BPF_MOV64_IMM(BPF_REG_0, 1), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .prog_type = BPF_PROG_TYPE_XDP, + .retval = 1, + }, + { "meta access, test1", .insns = { BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, diff --git a/tools/testing/selftests/bpf/test_xdp_meta.sh b/tools/testing/selftests/bpf/test_xdp_meta.sh index 307aa856cee3..637fcf4fe4e3 100755 --- a/tools/testing/selftests/bpf/test_xdp_meta.sh +++ b/tools/testing/selftests/bpf/test_xdp_meta.sh @@ -9,6 +9,7 @@ cleanup() fi set +e + ip link del veth1 2> /dev/null ip netns del ns1 2> /dev/null ip netns del ns2 2> /dev/null } diff --git a/tools/testing/selftests/bpf/test_xdp_redirect.sh b/tools/testing/selftests/bpf/test_xdp_redirect.sh index 344a3656dea6..c4b17e08d431 100755 --- a/tools/testing/selftests/bpf/test_xdp_redirect.sh +++ b/tools/testing/selftests/bpf/test_xdp_redirect.sh @@ -19,6 +19,8 @@ cleanup() fi set +e + ip link del veth1 2> /dev/null + ip link del veth2 2> /dev/null ip netns del ns1 2> /dev/null ip netns del ns2 2> /dev/null } diff --git a/tools/testing/selftests/firmware/fw_fallback.sh b/tools/testing/selftests/firmware/fw_fallback.sh index 34a42c68ebfb..722cad91df74 100755 --- a/tools/testing/selftests/firmware/fw_fallback.sh +++ b/tools/testing/selftests/firmware/fw_fallback.sh @@ -175,96 +175,118 @@ trap "test_finish" EXIT echo "ABCD0123" >"$FW" NAME=$(basename "$FW") -DEVPATH="$DIR"/"nope-$NAME"/loading - -# Test failure when doing nothing (timeout works). -echo -n 2 >/sys/class/firmware/timeout -echo -n "nope-$NAME" >"$DIR"/trigger_request 2>/dev/null & - -# Give the kernel some time to load the loading file, must be less -# than the timeout above. -sleep 1 -if [ ! -f $DEVPATH ]; then - echo "$0: fallback mechanism immediately cancelled" - echo "" - echo "The file never appeared: $DEVPATH" - echo "" - echo "This might be a distribution udev rule setup by your distribution" - echo "to immediately cancel all fallback requests, this must be" - echo "removed before running these tests. To confirm look for" - echo "a firmware rule like /lib/udev/rules.d/50-firmware.rules" - echo "and see if you have something like this:" - echo "" - echo "SUBSYSTEM==\"firmware\", ACTION==\"add\", ATTR{loading}=\"-1\"" - echo "" - echo "If you do remove this file or comment out this line before" - echo "proceeding with these tests." - exit 1 -fi - -if diff -q "$FW" /dev/test_firmware >/dev/null ; then - echo "$0: firmware was not expected to match" >&2 - exit 1 -else - echo "$0: timeout works" -fi - -# Put timeout high enough for us to do work but not so long that failures -# slow down this test too much. -echo 4 >/sys/class/firmware/timeout +test_syfs_timeout() +{ + DEVPATH="$DIR"/"nope-$NAME"/loading + + # Test failure when doing nothing (timeout works). + echo -n 2 >/sys/class/firmware/timeout + echo -n "nope-$NAME" >"$DIR"/trigger_request 2>/dev/null & + + # Give the kernel some time to load the loading file, must be less + # than the timeout above. + sleep 1 + if [ ! -f $DEVPATH ]; then + echo "$0: fallback mechanism immediately cancelled" + echo "" + echo "The file never appeared: $DEVPATH" + echo "" + echo "This might be a distribution udev rule setup by your distribution" + echo "to immediately cancel all fallback requests, this must be" + echo "removed before running these tests. To confirm look for" + echo "a firmware rule like /lib/udev/rules.d/50-firmware.rules" + echo "and see if you have something like this:" + echo "" + echo "SUBSYSTEM==\"firmware\", ACTION==\"add\", ATTR{loading}=\"-1\"" + echo "" + echo "If you do remove this file or comment out this line before" + echo "proceeding with these tests." + exit 1 + fi -# Load this script instead of the desired firmware. -load_fw "$NAME" "$0" -if diff -q "$FW" /dev/test_firmware >/dev/null ; then - echo "$0: firmware was not expected to match" >&2 - exit 1 -else - echo "$0: firmware comparison works" -fi + if diff -q "$FW" /dev/test_firmware >/dev/null ; then + echo "$0: firmware was not expected to match" >&2 + exit 1 + else + echo "$0: timeout works" + fi +} -# Do a proper load, which should work correctly. -load_fw "$NAME" "$FW" -if ! diff -q "$FW" /dev/test_firmware >/dev/null ; then - echo "$0: firmware was not loaded" >&2 - exit 1 -else - echo "$0: fallback mechanism works" -fi +run_sysfs_main_tests() +{ + test_syfs_timeout + # Put timeout high enough for us to do work but not so long that failures + # slow down this test too much. + echo 4 >/sys/class/firmware/timeout -load_fw_cancel "nope-$NAME" "$FW" -if diff -q "$FW" /dev/test_firmware >/dev/null ; then - echo "$0: firmware was expected to be cancelled" >&2 - exit 1 -else - echo "$0: cancelling fallback mechanism works" -fi + # Load this script instead of the desired firmware. + load_fw "$NAME" "$0" + if diff -q "$FW" /dev/test_firmware >/dev/null ; then + echo "$0: firmware was not expected to match" >&2 + exit 1 + else + echo "$0: firmware comparison works" + fi -if load_fw_custom "$NAME" "$FW" ; then + # Do a proper load, which should work correctly. + load_fw "$NAME" "$FW" if ! diff -q "$FW" /dev/test_firmware >/dev/null ; then echo "$0: firmware was not loaded" >&2 exit 1 else - echo "$0: custom fallback loading mechanism works" + echo "$0: fallback mechanism works" fi -fi -if load_fw_custom_cancel "nope-$NAME" "$FW" ; then + load_fw_cancel "nope-$NAME" "$FW" if diff -q "$FW" /dev/test_firmware >/dev/null ; then echo "$0: firmware was expected to be cancelled" >&2 exit 1 else - echo "$0: cancelling custom fallback mechanism works" + echo "$0: cancelling fallback mechanism works" fi -fi -set +e -load_fw_fallback_with_child "nope-signal-$NAME" "$FW" -if [ "$?" -eq 0 ]; then - echo "$0: SIGCHLD on sync ignored as expected" >&2 -else - echo "$0: error - sync firmware request cancelled due to SIGCHLD" >&2 - exit 1 -fi -set -e + set +e + load_fw_fallback_with_child "nope-signal-$NAME" "$FW" + if [ "$?" -eq 0 ]; then + echo "$0: SIGCHLD on sync ignored as expected" >&2 + else + echo "$0: error - sync firmware request cancelled due to SIGCHLD" >&2 + exit 1 + fi + set -e +} + +run_sysfs_custom_load_tests() +{ + if load_fw_custom "$NAME" "$FW" ; then + if ! diff -q "$FW" /dev/test_firmware >/dev/null ; then + echo "$0: firmware was not loaded" >&2 + exit 1 + else + echo "$0: custom fallback loading mechanism works" + fi + fi + + if load_fw_custom "$NAME" "$FW" ; then + if ! diff -q "$FW" /dev/test_firmware >/dev/null ; then + echo "$0: firmware was not loaded" >&2 + exit 1 + else + echo "$0: custom fallback loading mechanism works" + fi + fi + + if load_fw_custom_cancel "nope-$NAME" "$FW" ; then + if diff -q "$FW" /dev/test_firmware >/dev/null ; then + echo "$0: firmware was expected to be cancelled" >&2 + exit 1 + else + echo "$0: cancelling custom fallback mechanism works" + fi + fi +} + +run_sysfs_main_tests +run_sysfs_custom_load_tests exit 0 diff --git a/tools/testing/selftests/firmware/fw_filesystem.sh b/tools/testing/selftests/firmware/fw_filesystem.sh index b1f20fef36c7..f9508e1a4058 100755 --- a/tools/testing/selftests/firmware/fw_filesystem.sh +++ b/tools/testing/selftests/firmware/fw_filesystem.sh @@ -45,7 +45,10 @@ test_finish() if [ "$HAS_FW_LOADER_USER_HELPER" = "yes" ]; then echo "$OLD_TIMEOUT" >/sys/class/firmware/timeout fi - echo -n "$OLD_PATH" >/sys/module/firmware_class/parameters/path + if [ "$OLD_FWPATH" = "" ]; then + OLD_FWPATH=" " + fi + echo -n "$OLD_FWPATH" >/sys/module/firmware_class/parameters/path rm -f "$FW" rmdir "$FWPATH" } diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-glob.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-glob.tc index 589d52b211b7..27a54a17da65 100644 --- a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-glob.tc +++ b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-glob.tc @@ -29,6 +29,12 @@ ftrace_filter_check '*schedule*' '^.*schedule.*$' # filter by *, end match ftrace_filter_check 'schedule*' '^schedule.*$' +# filter by *mid*end +ftrace_filter_check '*aw*lock' '.*aw.*lock$' + +# filter by start*mid* +ftrace_filter_check 'mutex*try*' '^mutex.*try.*' + # Advanced full-glob matching feature is recently supported. # Skip the tests if we are sure the kernel does not support it. if grep -q 'accepts: .* glob-matching-pattern' README ; then diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func_set_ftrace_file.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func_set_ftrace_file.tc index 0f3f92622e33..68e7a48f5828 100644 --- a/tools/testing/selftests/ftrace/test.d/ftrace/func_set_ftrace_file.tc +++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_set_ftrace_file.tc @@ -128,6 +128,43 @@ if check_set_ftrace_filter "$FUNC1" "$FUNC2" ; then fail "Expected $FUNC1 and $FUNC2" fi +test_actual() { # Compares $TMPDIR/expected with set_ftrace_filter + cat set_ftrace_filter | grep -v '#' | cut -d' ' -f1 | cut -d':' -f1 | sort -u > $TMPDIR/actual + DIFF=`diff $TMPDIR/actual $TMPDIR/expected` + test -z "$DIFF" +} + +# Set traceoff trigger for all fuctions with "lock" in their name +cat available_filter_functions | cut -d' ' -f1 | grep 'lock' | sort -u > $TMPDIR/expected +echo '*lock*:traceoff' > set_ftrace_filter +test_actual + +# now remove all with 'try' in it, and end with lock +grep -v 'try.*lock$' $TMPDIR/expected > $TMPDIR/expected2 +mv $TMPDIR/expected2 $TMPDIR/expected +echo '!*try*lock:traceoff' >> set_ftrace_filter +test_actual + +# remove all that start with "m" and end with "lock" +grep -v '^m.*lock$' $TMPDIR/expected > $TMPDIR/expected2 +mv $TMPDIR/expected2 $TMPDIR/expected +echo '!m*lock:traceoff' >> set_ftrace_filter +test_actual + +# remove all that start with "c" and have "unlock" +grep -v '^c.*unlock' $TMPDIR/expected > $TMPDIR/expected2 +mv $TMPDIR/expected2 $TMPDIR/expected +echo '!c*unlock*:traceoff' >> set_ftrace_filter +test_actual + +# clear all the rest +> $TMPDIR/expected +echo '!*:traceoff' >> set_ftrace_filter +test_actual + +rm $TMPDIR/expected +rm $TMPDIR/actual + do_reset exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/functions b/tools/testing/selftests/ftrace/test.d/functions index f2019b37370d..df3dd7fe5f9b 100644 --- a/tools/testing/selftests/ftrace/test.d/functions +++ b/tools/testing/selftests/ftrace/test.d/functions @@ -37,17 +37,21 @@ reset_ftrace_filter() { # reset all triggers in set_ftrace_filter if [ "$tr" = "" ]; then continue fi + if ! grep -q "$t" set_ftrace_filter; then + continue; + fi + name=`echo $t | cut -d: -f1 | cut -d' ' -f1` if [ $tr = "enable_event" -o $tr = "disable_event" ]; then - tr=`echo $t | cut -d: -f1-4` + tr=`echo $t | cut -d: -f2-4` limit=`echo $t | cut -d: -f5` else - tr=`echo $t | cut -d: -f1-2` + tr=`echo $t | cut -d: -f2` limit=`echo $t | cut -d: -f3` fi if [ "$limit" != "unlimited" ]; then tr="$tr:$limit" fi - echo "!$tr" > set_ftrace_filter + echo "!$name:$tr" > set_ftrace_filter done } diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc b/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc index bb16cf91f1b5..ce361b9d62cf 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc @@ -12,9 +12,24 @@ case `uname -m` in *) OFFS=0;; esac -echo "Setup up to 256 kprobes" -grep t /proc/kallsyms | cut -f3 -d" " | grep -v .*\\..* | \ -head -n 256 | while read i; do echo p ${i}+${OFFS} ; done > kprobe_events ||: +if [ -d events/kprobes ]; then + echo 0 > events/kprobes/enable + echo > kprobe_events +fi + +N=0 +echo "Setup up kprobes on first available 256 text symbols" +grep -i " t " /proc/kallsyms | cut -f3 -d" " | grep -v .*\\..* | \ +while read i; do + echo p ${i}+${OFFS} >> kprobe_events && N=$((N+1)) ||: + test $N -eq 256 && break +done + +L=`wc -l kprobe_events` +if [ $L -ne $N ]; then + echo "The number of kprobes events ($L) is not $N" + exit_fail +fi echo 1 > events/kprobes/enable echo 0 > events/kprobes/enable diff --git a/tools/testing/selftests/gen_kselftest_tar.sh b/tools/testing/selftests/gen_kselftest_tar.sh index 17d5bd0c0936..a27e2eec3586 100755 --- a/tools/testing/selftests/gen_kselftest_tar.sh +++ b/tools/testing/selftests/gen_kselftest_tar.sh @@ -1,13 +1,11 @@ #!/bin/bash # +# SPDX-License-Identifier: GPL-2.0 # gen_kselftest_tar # Generate kselftest tarball # Author: Shuah Khan <shuahkh@osg.samsung.com> # Copyright (C) 2015 Samsung Electronics Co., Ltd. -# This software may be freely redistributed under the terms of the GNU -# General Public License (GPLv2). - # main main() { diff --git a/tools/testing/selftests/kselftest.h b/tools/testing/selftests/kselftest.h index 1ae565ed9bf0..1a52b03962a3 100644 --- a/tools/testing/selftests/kselftest.h +++ b/tools/testing/selftests/kselftest.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * kselftest.h: kselftest framework return codes to include from * selftests. @@ -5,7 +6,6 @@ * Copyright (c) 2014 Shuah Khan <shuahkh@osg.samsung.com> * Copyright (c) 2014 Samsung Electronics Co., Ltd. * - * This file is released under the GPLv2. */ #ifndef __KSELFTEST_H #define __KSELFTEST_H diff --git a/tools/testing/selftests/kselftest_install.sh b/tools/testing/selftests/kselftest_install.sh index 1555fbdb08da..ec304463883c 100755 --- a/tools/testing/selftests/kselftest_install.sh +++ b/tools/testing/selftests/kselftest_install.sh @@ -1,13 +1,11 @@ #!/bin/bash +# SPDX-License-Identifier: GPL-2.0 # # Kselftest Install # Install kselftest tests # Author: Shuah Khan <shuahkh@osg.samsung.com> # Copyright (C) 2015 Samsung Electronics Co., Ltd. -# This software may be freely redistributed under the terms of the GNU -# General Public License (GPLv2). - install_loc=`pwd` main() diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk index 5bef05d6ba39..7de482a0519d 100644 --- a/tools/testing/selftests/lib.mk +++ b/tools/testing/selftests/lib.mk @@ -77,7 +77,7 @@ endif define EMIT_TESTS @for TEST in $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_PROGS); do \ BASENAME_TEST=`basename $$TEST`; \ - echo "(./$$BASENAME_TEST > /tmp/$$BASENAME_TEST 2>&1 && echo \"selftests: $$BASENAME_TEST [PASS]\") || echo \"selftests: $$BASENAME_TEST [FAIL]\""; \ + echo "(./$$BASENAME_TEST >> \$$OUTPUT 2>&1 && echo \"selftests: $$BASENAME_TEST [PASS]\") || echo \"selftests: $$BASENAME_TEST [FAIL]\""; \ done; endef diff --git a/tools/testing/selftests/media_tests/Makefile b/tools/testing/selftests/media_tests/Makefile index be5bd4ffb895..c82cec2497de 100644 --- a/tools/testing/selftests/media_tests/Makefile +++ b/tools/testing/selftests/media_tests/Makefile @@ -1,8 +1,5 @@ # SPDX-License-Identifier: GPL-2.0 -TEST_PROGS := media_device_test media_device_open video_device_test -all: $(TEST_PROGS) +TEST_GEN_PROGS := media_device_test media_device_open video_device_test +all: $(TEST_GEN_PROGS) include ../lib.mk - -clean: - rm -fr media_device_test media_device_open video_device_test diff --git a/tools/testing/selftests/media_tests/media_device_open.c b/tools/testing/selftests/media_tests/media_device_open.c index 44343c091a20..a5ce5434bafd 100644 --- a/tools/testing/selftests/media_tests/media_device_open.c +++ b/tools/testing/selftests/media_tests/media_device_open.c @@ -1,10 +1,11 @@ +// SPDX-License-Identifier: GPL-2.0 + /* * media_device_open.c - Media Controller Device Open Test * * Copyright (c) 2016 Shuah Khan <shuahkh@osg.samsung.com> * Copyright (c) 2016 Samsung Electronics Co., Ltd. * - * This file is released under the GPLv2. */ /* diff --git a/tools/testing/selftests/media_tests/media_device_test.c b/tools/testing/selftests/media_tests/media_device_test.c index 5d49943e77d0..421a367e4bb3 100644 --- a/tools/testing/selftests/media_tests/media_device_test.c +++ b/tools/testing/selftests/media_tests/media_device_test.c @@ -1,10 +1,11 @@ +// SPDX-License-Identifier: GPL-2.0 + /* * media_device_test.c - Media Controller Device ioctl loop Test * * Copyright (c) 2016 Shuah Khan <shuahkh@osg.samsung.com> * Copyright (c) 2016 Samsung Electronics Co., Ltd. * - * This file is released under the GPLv2. */ /* diff --git a/tools/testing/selftests/media_tests/video_device_test.c b/tools/testing/selftests/media_tests/video_device_test.c index 66d419c28653..0f6aef2e2593 100644 --- a/tools/testing/selftests/media_tests/video_device_test.c +++ b/tools/testing/selftests/media_tests/video_device_test.c @@ -1,10 +1,11 @@ +// SPDX-License-Identifier: GPL-2.0 + /* * video_device_test - Video Device Test * * Copyright (c) 2016 Shuah Khan <shuahkh@osg.samsung.com> * Copyright (c) 2016 Samsung Electronics Co., Ltd. * - * This file is released under the GPLv2. */ /* diff --git a/tools/testing/selftests/membarrier/membarrier_test.c b/tools/testing/selftests/membarrier/membarrier_test.c index 9e674d9514d1..22bffd55a523 100644 --- a/tools/testing/selftests/membarrier/membarrier_test.c +++ b/tools/testing/selftests/membarrier/membarrier_test.c @@ -16,49 +16,210 @@ static int sys_membarrier(int cmd, int flags) static int test_membarrier_cmd_fail(void) { int cmd = -1, flags = 0; + const char *test_name = "sys membarrier invalid command"; if (sys_membarrier(cmd, flags) != -1) { ksft_exit_fail_msg( - "sys membarrier invalid command test: command = %d, flags = %d. Should fail, but passed\n", - cmd, flags); + "%s test: command = %d, flags = %d. Should fail, but passed\n", + test_name, cmd, flags); + } + if (errno != EINVAL) { + ksft_exit_fail_msg( + "%s test: flags = %d. Should return (%d: \"%s\"), but returned (%d: \"%s\").\n", + test_name, flags, EINVAL, strerror(EINVAL), + errno, strerror(errno)); } ksft_test_result_pass( - "sys membarrier invalid command test: command = %d, flags = %d. Failed as expected\n", - cmd, flags); + "%s test: command = %d, flags = %d, errno = %d. Failed as expected\n", + test_name, cmd, flags, errno); return 0; } static int test_membarrier_flags_fail(void) { int cmd = MEMBARRIER_CMD_QUERY, flags = 1; + const char *test_name = "sys membarrier MEMBARRIER_CMD_QUERY invalid flags"; + + if (sys_membarrier(cmd, flags) != -1) { + ksft_exit_fail_msg( + "%s test: flags = %d. Should fail, but passed\n", + test_name, flags); + } + if (errno != EINVAL) { + ksft_exit_fail_msg( + "%s test: flags = %d. Should return (%d: \"%s\"), but returned (%d: \"%s\").\n", + test_name, flags, EINVAL, strerror(EINVAL), + errno, strerror(errno)); + } + + ksft_test_result_pass( + "%s test: flags = %d, errno = %d. Failed as expected\n", + test_name, flags, errno); + return 0; +} + +static int test_membarrier_global_success(void) +{ + int cmd = MEMBARRIER_CMD_GLOBAL, flags = 0; + const char *test_name = "sys membarrier MEMBARRIER_CMD_GLOBAL"; + + if (sys_membarrier(cmd, flags) != 0) { + ksft_exit_fail_msg( + "%s test: flags = %d, errno = %d\n", + test_name, flags, errno); + } + + ksft_test_result_pass( + "%s test: flags = %d\n", test_name, flags); + return 0; +} + +static int test_membarrier_private_expedited_fail(void) +{ + int cmd = MEMBARRIER_CMD_PRIVATE_EXPEDITED, flags = 0; + const char *test_name = "sys membarrier MEMBARRIER_CMD_PRIVATE_EXPEDITED not registered failure"; + + if (sys_membarrier(cmd, flags) != -1) { + ksft_exit_fail_msg( + "%s test: flags = %d. Should fail, but passed\n", + test_name, flags); + } + if (errno != EPERM) { + ksft_exit_fail_msg( + "%s test: flags = %d. Should return (%d: \"%s\"), but returned (%d: \"%s\").\n", + test_name, flags, EPERM, strerror(EPERM), + errno, strerror(errno)); + } + + ksft_test_result_pass( + "%s test: flags = %d, errno = %d\n", + test_name, flags, errno); + return 0; +} + +static int test_membarrier_register_private_expedited_success(void) +{ + int cmd = MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED, flags = 0; + const char *test_name = "sys membarrier MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED"; + + if (sys_membarrier(cmd, flags) != 0) { + ksft_exit_fail_msg( + "%s test: flags = %d, errno = %d\n", + test_name, flags, errno); + } + + ksft_test_result_pass( + "%s test: flags = %d\n", + test_name, flags); + return 0; +} + +static int test_membarrier_private_expedited_success(void) +{ + int cmd = MEMBARRIER_CMD_PRIVATE_EXPEDITED, flags = 0; + const char *test_name = "sys membarrier MEMBARRIER_CMD_PRIVATE_EXPEDITED"; + + if (sys_membarrier(cmd, flags) != 0) { + ksft_exit_fail_msg( + "%s test: flags = %d, errno = %d\n", + test_name, flags, errno); + } + + ksft_test_result_pass( + "%s test: flags = %d\n", + test_name, flags); + return 0; +} + +static int test_membarrier_private_expedited_sync_core_fail(void) +{ + int cmd = MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE, flags = 0; + const char *test_name = "sys membarrier MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE not registered failure"; if (sys_membarrier(cmd, flags) != -1) { ksft_exit_fail_msg( - "sys membarrier MEMBARRIER_CMD_QUERY invalid flags test: flags = %d. Should fail, but passed\n", - flags); + "%s test: flags = %d. Should fail, but passed\n", + test_name, flags); + } + if (errno != EPERM) { + ksft_exit_fail_msg( + "%s test: flags = %d. Should return (%d: \"%s\"), but returned (%d: \"%s\").\n", + test_name, flags, EPERM, strerror(EPERM), + errno, strerror(errno)); + } + + ksft_test_result_pass( + "%s test: flags = %d, errno = %d\n", + test_name, flags, errno); + return 0; +} + +static int test_membarrier_register_private_expedited_sync_core_success(void) +{ + int cmd = MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE, flags = 0; + const char *test_name = "sys membarrier MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE"; + + if (sys_membarrier(cmd, flags) != 0) { + ksft_exit_fail_msg( + "%s test: flags = %d, errno = %d\n", + test_name, flags, errno); + } + + ksft_test_result_pass( + "%s test: flags = %d\n", + test_name, flags); + return 0; +} + +static int test_membarrier_private_expedited_sync_core_success(void) +{ + int cmd = MEMBARRIER_CMD_PRIVATE_EXPEDITED, flags = 0; + const char *test_name = "sys membarrier MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE"; + + if (sys_membarrier(cmd, flags) != 0) { + ksft_exit_fail_msg( + "%s test: flags = %d, errno = %d\n", + test_name, flags, errno); } ksft_test_result_pass( - "sys membarrier MEMBARRIER_CMD_QUERY invalid flags test: flags = %d. Failed as expected\n", - flags); + "%s test: flags = %d\n", + test_name, flags); return 0; } -static int test_membarrier_success(void) +static int test_membarrier_register_global_expedited_success(void) { - int cmd = MEMBARRIER_CMD_SHARED, flags = 0; - const char *test_name = "sys membarrier MEMBARRIER_CMD_SHARED\n"; + int cmd = MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED, flags = 0; + const char *test_name = "sys membarrier MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED"; if (sys_membarrier(cmd, flags) != 0) { ksft_exit_fail_msg( - "sys membarrier MEMBARRIER_CMD_SHARED test: flags = %d\n", - flags); + "%s test: flags = %d, errno = %d\n", + test_name, flags, errno); } ksft_test_result_pass( - "sys membarrier MEMBARRIER_CMD_SHARED test: flags = %d\n", - flags); + "%s test: flags = %d\n", + test_name, flags); + return 0; +} + +static int test_membarrier_global_expedited_success(void) +{ + int cmd = MEMBARRIER_CMD_GLOBAL_EXPEDITED, flags = 0; + const char *test_name = "sys membarrier MEMBARRIER_CMD_GLOBAL_EXPEDITED"; + + if (sys_membarrier(cmd, flags) != 0) { + ksft_exit_fail_msg( + "%s test: flags = %d, errno = %d\n", + test_name, flags, errno); + } + + ksft_test_result_pass( + "%s test: flags = %d\n", + test_name, flags); return 0; } @@ -72,7 +233,45 @@ static int test_membarrier(void) status = test_membarrier_flags_fail(); if (status) return status; - status = test_membarrier_success(); + status = test_membarrier_global_success(); + if (status) + return status; + status = test_membarrier_private_expedited_fail(); + if (status) + return status; + status = test_membarrier_register_private_expedited_success(); + if (status) + return status; + status = test_membarrier_private_expedited_success(); + if (status) + return status; + status = sys_membarrier(MEMBARRIER_CMD_QUERY, 0); + if (status < 0) { + ksft_test_result_fail("sys_membarrier() failed\n"); + return status; + } + if (status & MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE) { + status = test_membarrier_private_expedited_sync_core_fail(); + if (status) + return status; + status = test_membarrier_register_private_expedited_sync_core_success(); + if (status) + return status; + status = test_membarrier_private_expedited_sync_core_success(); + if (status) + return status; + } + /* + * It is valid to send a global membarrier from a non-registered + * process. + */ + status = test_membarrier_global_expedited_success(); + if (status) + return status; + status = test_membarrier_register_global_expedited_success(); + if (status) + return status; + status = test_membarrier_global_expedited_success(); if (status) return status; return 0; @@ -94,8 +293,10 @@ static int test_membarrier_query(void) } ksft_exit_fail_msg("sys_membarrier() failed\n"); } - if (!(ret & MEMBARRIER_CMD_SHARED)) + if (!(ret & MEMBARRIER_CMD_GLOBAL)) { + ksft_test_result_fail("sys_membarrier() CMD_GLOBAL query failed\n"); ksft_exit_fail_msg("sys_membarrier is not supported.\n"); + } ksft_test_result_pass("sys_membarrier available\n"); return 0; @@ -108,5 +309,5 @@ int main(int argc, char **argv) test_membarrier_query(); test_membarrier(); - ksft_exit_pass(); + return ksft_exit_pass(); } diff --git a/tools/testing/selftests/memfd/Makefile b/tools/testing/selftests/memfd/Makefile index 3926a0409dda..a5276a91dfbf 100644 --- a/tools/testing/selftests/memfd/Makefile +++ b/tools/testing/selftests/memfd/Makefile @@ -12,3 +12,8 @@ fuse_mnt.o: CFLAGS += $(shell pkg-config fuse --cflags) include ../lib.mk $(OUTPUT)/fuse_mnt: LDLIBS += $(shell pkg-config fuse --libs) + +$(OUTPUT)/memfd_test: memfd_test.c common.o +$(OUTPUT)/fuse_test: fuse_test.c common.o + +EXTRA_CLEAN = common.o diff --git a/tools/testing/selftests/memfd/common.c b/tools/testing/selftests/memfd/common.c new file mode 100644 index 000000000000..8eb3d75f6e60 --- /dev/null +++ b/tools/testing/selftests/memfd/common.c @@ -0,0 +1,46 @@ +// SPDX-License-Identifier: GPL-2.0 +#define _GNU_SOURCE +#define __EXPORTED_HEADERS__ + +#include <stdio.h> +#include <stdlib.h> +#include <linux/fcntl.h> +#include <linux/memfd.h> +#include <unistd.h> +#include <sys/syscall.h> + +#include "common.h" + +int hugetlbfs_test = 0; + +/* + * Copied from mlock2-tests.c + */ +unsigned long default_huge_page_size(void) +{ + unsigned long hps = 0; + char *line = NULL; + size_t linelen = 0; + FILE *f = fopen("/proc/meminfo", "r"); + + if (!f) + return 0; + while (getline(&line, &linelen, f) > 0) { + if (sscanf(line, "Hugepagesize: %lu kB", &hps) == 1) { + hps <<= 10; + break; + } + } + + free(line); + fclose(f); + return hps; +} + +int sys_memfd_create(const char *name, unsigned int flags) +{ + if (hugetlbfs_test) + flags |= MFD_HUGETLB; + + return syscall(__NR_memfd_create, name, flags); +} diff --git a/tools/testing/selftests/memfd/common.h b/tools/testing/selftests/memfd/common.h new file mode 100644 index 000000000000..522d2c630bd8 --- /dev/null +++ b/tools/testing/selftests/memfd/common.h @@ -0,0 +1,9 @@ +#ifndef COMMON_H_ +#define COMMON_H_ + +extern int hugetlbfs_test; + +unsigned long default_huge_page_size(void); +int sys_memfd_create(const char *name, unsigned int flags); + +#endif diff --git a/tools/testing/selftests/memfd/fuse_test.c b/tools/testing/selftests/memfd/fuse_test.c index 1ccb7a3eb14b..b018e835737d 100644 --- a/tools/testing/selftests/memfd/fuse_test.c +++ b/tools/testing/selftests/memfd/fuse_test.c @@ -33,14 +33,12 @@ #include <sys/wait.h> #include <unistd.h> +#include "common.h" + #define MFD_DEF_SIZE 8192 #define STACK_SIZE 65536 -static int sys_memfd_create(const char *name, - unsigned int flags) -{ - return syscall(__NR_memfd_create, name, flags); -} +static size_t mfd_def_size = MFD_DEF_SIZE; static int mfd_assert_new(const char *name, loff_t sz, unsigned int flags) { @@ -127,7 +125,7 @@ static void *mfd_assert_mmap_shared(int fd) void *p; p = mmap(NULL, - MFD_DEF_SIZE, + mfd_def_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, @@ -145,7 +143,7 @@ static void *mfd_assert_mmap_private(int fd) void *p; p = mmap(NULL, - MFD_DEF_SIZE, + mfd_def_size, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, @@ -178,7 +176,7 @@ static int sealing_thread_fn(void *arg) usleep(200000); /* unmount mapping before sealing to avoid i_mmap_writable failures */ - munmap(global_p, MFD_DEF_SIZE); + munmap(global_p, mfd_def_size); /* Try sealing the global file; expect EBUSY or success. Current * kernels will never succeed, but in the future, kernels might @@ -228,7 +226,7 @@ static void join_sealing_thread(pid_t pid) int main(int argc, char **argv) { - static const char zero[MFD_DEF_SIZE]; + char *zero; int fd, mfd, r; void *p; int was_sealed; @@ -239,6 +237,25 @@ int main(int argc, char **argv) abort(); } + if (argc >= 3) { + if (!strcmp(argv[2], "hugetlbfs")) { + unsigned long hpage_size = default_huge_page_size(); + + if (!hpage_size) { + printf("Unable to determine huge page size\n"); + abort(); + } + + hugetlbfs_test = 1; + mfd_def_size = hpage_size * 2; + } else { + printf("Unknown option: %s\n", argv[2]); + abort(); + } + } + + zero = calloc(sizeof(*zero), mfd_def_size); + /* open FUSE memfd file for GUP testing */ printf("opening: %s\n", argv[1]); fd = open(argv[1], O_RDONLY | O_CLOEXEC); @@ -249,7 +266,7 @@ int main(int argc, char **argv) /* create new memfd-object */ mfd = mfd_assert_new("kern_memfd_fuse", - MFD_DEF_SIZE, + mfd_def_size, MFD_CLOEXEC | MFD_ALLOW_SEALING); /* mmap memfd-object for writing */ @@ -268,7 +285,7 @@ int main(int argc, char **argv) * This guarantees that the receive-buffer is pinned for 1s until the * data is written into it. The racing ADD_SEALS should thus fail as * the pages are still pinned. */ - r = read(fd, p, MFD_DEF_SIZE); + r = read(fd, p, mfd_def_size); if (r < 0) { printf("read() failed: %m\n"); abort(); @@ -295,10 +312,10 @@ int main(int argc, char **argv) * enough to avoid any in-flight writes. */ p = mfd_assert_mmap_private(mfd); - if (was_sealed && memcmp(p, zero, MFD_DEF_SIZE)) { + if (was_sealed && memcmp(p, zero, mfd_def_size)) { printf("memfd sealed during read() but data not discarded\n"); abort(); - } else if (!was_sealed && !memcmp(p, zero, MFD_DEF_SIZE)) { + } else if (!was_sealed && !memcmp(p, zero, mfd_def_size)) { printf("memfd sealed after read() but data discarded\n"); abort(); } @@ -307,6 +324,7 @@ int main(int argc, char **argv) close(fd); printf("fuse: DONE\n"); + free(zero); return 0; } diff --git a/tools/testing/selftests/memfd/memfd_test.c b/tools/testing/selftests/memfd/memfd_test.c index 132a54f74e88..10baa1652fc2 100644 --- a/tools/testing/selftests/memfd/memfd_test.c +++ b/tools/testing/selftests/memfd/memfd_test.c @@ -19,7 +19,10 @@ #include <sys/wait.h> #include <unistd.h> +#include "common.h" + #define MEMFD_STR "memfd:" +#define MEMFD_HUGE_STR "memfd-hugetlb:" #define SHARED_FT_STR "(shared file-table)" #define MFD_DEF_SIZE 8192 @@ -28,41 +31,8 @@ /* * Default is not to test hugetlbfs */ -static int hugetlbfs_test; static size_t mfd_def_size = MFD_DEF_SIZE; - -/* - * Copied from mlock2-tests.c - */ -static unsigned long default_huge_page_size(void) -{ - unsigned long hps = 0; - char *line = NULL; - size_t linelen = 0; - FILE *f = fopen("/proc/meminfo", "r"); - - if (!f) - return 0; - while (getline(&line, &linelen, f) > 0) { - if (sscanf(line, "Hugepagesize: %lu kB", &hps) == 1) { - hps <<= 10; - break; - } - } - - free(line); - fclose(f); - return hps; -} - -static int sys_memfd_create(const char *name, - unsigned int flags) -{ - if (hugetlbfs_test) - flags |= MFD_HUGETLB; - - return syscall(__NR_memfd_create, name, flags); -} +static const char *memfd_str = MEMFD_STR; static int mfd_assert_new(const char *name, loff_t sz, unsigned int flags) { @@ -513,6 +483,10 @@ static void mfd_assert_grow_write(int fd) static char *buf; ssize_t l; + /* hugetlbfs does not support write */ + if (hugetlbfs_test) + return; + buf = malloc(mfd_def_size * 8); if (!buf) { printf("malloc(%zu) failed: %m\n", mfd_def_size * 8); @@ -533,6 +507,10 @@ static void mfd_fail_grow_write(int fd) static char *buf; ssize_t l; + /* hugetlbfs does not support write */ + if (hugetlbfs_test) + return; + buf = malloc(mfd_def_size * 8); if (!buf) { printf("malloc(%zu) failed: %m\n", mfd_def_size * 8); @@ -598,7 +576,7 @@ static void test_create(void) char buf[2048]; int fd; - printf("%s CREATE\n", MEMFD_STR); + printf("%s CREATE\n", memfd_str); /* test NULL name */ mfd_fail_new(NULL, 0); @@ -627,18 +605,13 @@ static void test_create(void) fd = mfd_assert_new("", 0, MFD_CLOEXEC); close(fd); - if (!hugetlbfs_test) { - /* verify MFD_ALLOW_SEALING is allowed */ - fd = mfd_assert_new("", 0, MFD_ALLOW_SEALING); - close(fd); - - /* verify MFD_ALLOW_SEALING | MFD_CLOEXEC is allowed */ - fd = mfd_assert_new("", 0, MFD_ALLOW_SEALING | MFD_CLOEXEC); - close(fd); - } else { - /* sealing is not supported on hugetlbfs */ - mfd_fail_new("", MFD_ALLOW_SEALING); - } + /* verify MFD_ALLOW_SEALING is allowed */ + fd = mfd_assert_new("", 0, MFD_ALLOW_SEALING); + close(fd); + + /* verify MFD_ALLOW_SEALING | MFD_CLOEXEC is allowed */ + fd = mfd_assert_new("", 0, MFD_ALLOW_SEALING | MFD_CLOEXEC); + close(fd); } /* @@ -649,11 +622,7 @@ static void test_basic(void) { int fd; - /* hugetlbfs does not contain sealing support */ - if (hugetlbfs_test) - return; - - printf("%s BASIC\n", MEMFD_STR); + printf("%s BASIC\n", memfd_str); fd = mfd_assert_new("kern_memfd_basic", mfd_def_size, @@ -698,28 +667,6 @@ static void test_basic(void) } /* - * hugetlbfs doesn't support seals or write, so just verify grow and shrink - * on a hugetlbfs file created via memfd_create. - */ -static void test_hugetlbfs_grow_shrink(void) -{ - int fd; - - printf("%s HUGETLBFS-GROW-SHRINK\n", MEMFD_STR); - - fd = mfd_assert_new("kern_memfd_seal_write", - mfd_def_size, - MFD_CLOEXEC); - - mfd_assert_read(fd); - mfd_assert_write(fd); - mfd_assert_shrink(fd); - mfd_assert_grow(fd); - - close(fd); -} - -/* * Test SEAL_WRITE * Test whether SEAL_WRITE actually prevents modifications. */ @@ -727,14 +674,7 @@ static void test_seal_write(void) { int fd; - /* - * hugetlbfs does not contain sealing or write support. Just test - * basic grow and shrink via test_hugetlbfs_grow_shrink. - */ - if (hugetlbfs_test) - return test_hugetlbfs_grow_shrink(); - - printf("%s SEAL-WRITE\n", MEMFD_STR); + printf("%s SEAL-WRITE\n", memfd_str); fd = mfd_assert_new("kern_memfd_seal_write", mfd_def_size, @@ -760,11 +700,7 @@ static void test_seal_shrink(void) { int fd; - /* hugetlbfs does not contain sealing support */ - if (hugetlbfs_test) - return; - - printf("%s SEAL-SHRINK\n", MEMFD_STR); + printf("%s SEAL-SHRINK\n", memfd_str); fd = mfd_assert_new("kern_memfd_seal_shrink", mfd_def_size, @@ -790,11 +726,7 @@ static void test_seal_grow(void) { int fd; - /* hugetlbfs does not contain sealing support */ - if (hugetlbfs_test) - return; - - printf("%s SEAL-GROW\n", MEMFD_STR); + printf("%s SEAL-GROW\n", memfd_str); fd = mfd_assert_new("kern_memfd_seal_grow", mfd_def_size, @@ -820,11 +752,7 @@ static void test_seal_resize(void) { int fd; - /* hugetlbfs does not contain sealing support */ - if (hugetlbfs_test) - return; - - printf("%s SEAL-RESIZE\n", MEMFD_STR); + printf("%s SEAL-RESIZE\n", memfd_str); fd = mfd_assert_new("kern_memfd_seal_resize", mfd_def_size, @@ -843,32 +771,6 @@ static void test_seal_resize(void) } /* - * hugetlbfs does not support seals. Basic test to dup the memfd created - * fd and perform some basic operations on it. - */ -static void hugetlbfs_dup(char *b_suffix) -{ - int fd, fd2; - - printf("%s HUGETLBFS-DUP %s\n", MEMFD_STR, b_suffix); - - fd = mfd_assert_new("kern_memfd_share_dup", - mfd_def_size, - MFD_CLOEXEC); - - fd2 = mfd_assert_dup(fd); - - mfd_assert_read(fd); - mfd_assert_write(fd); - - mfd_assert_shrink(fd2); - mfd_assert_grow(fd2); - - close(fd2); - close(fd); -} - -/* * Test sharing via dup() * Test that seals are shared between dupped FDs and they're all equal. */ @@ -876,16 +778,7 @@ static void test_share_dup(char *banner, char *b_suffix) { int fd, fd2; - /* - * hugetlbfs does not contain sealing support. Perform some - * basic testing on dup'ed fd instead via hugetlbfs_dup. - */ - if (hugetlbfs_test) { - hugetlbfs_dup(b_suffix); - return; - } - - printf("%s %s %s\n", MEMFD_STR, banner, b_suffix); + printf("%s %s %s\n", memfd_str, banner, b_suffix); fd = mfd_assert_new("kern_memfd_share_dup", mfd_def_size, @@ -927,11 +820,7 @@ static void test_share_mmap(char *banner, char *b_suffix) int fd; void *p; - /* hugetlbfs does not contain sealing support */ - if (hugetlbfs_test) - return; - - printf("%s %s %s\n", MEMFD_STR, banner, b_suffix); + printf("%s %s %s\n", memfd_str, banner, b_suffix); fd = mfd_assert_new("kern_memfd_share_mmap", mfd_def_size, @@ -956,32 +845,6 @@ static void test_share_mmap(char *banner, char *b_suffix) } /* - * Basic test to make sure we can open the hugetlbfs fd via /proc and - * perform some simple operations on it. - */ -static void hugetlbfs_proc_open(char *b_suffix) -{ - int fd, fd2; - - printf("%s HUGETLBFS-PROC-OPEN %s\n", MEMFD_STR, b_suffix); - - fd = mfd_assert_new("kern_memfd_share_open", - mfd_def_size, - MFD_CLOEXEC); - - fd2 = mfd_assert_open(fd, O_RDWR, 0); - - mfd_assert_read(fd); - mfd_assert_write(fd); - - mfd_assert_shrink(fd2); - mfd_assert_grow(fd2); - - close(fd2); - close(fd); -} - -/* * Test sealing with open(/proc/self/fd/%d) * Via /proc we can get access to a separate file-context for the same memfd. * This is *not* like dup(), but like a real separate open(). Make sure the @@ -991,16 +854,7 @@ static void test_share_open(char *banner, char *b_suffix) { int fd, fd2; - /* - * hugetlbfs does not contain sealing support. So test basic - * functionality of using /proc fd via hugetlbfs_proc_open - */ - if (hugetlbfs_test) { - hugetlbfs_proc_open(b_suffix); - return; - } - - printf("%s %s %s\n", MEMFD_STR, banner, b_suffix); + printf("%s %s %s\n", memfd_str, banner, b_suffix); fd = mfd_assert_new("kern_memfd_share_open", mfd_def_size, @@ -1043,11 +897,7 @@ static void test_share_fork(char *banner, char *b_suffix) int fd; pid_t pid; - /* hugetlbfs does not contain sealing support */ - if (hugetlbfs_test) - return; - - printf("%s %s %s\n", MEMFD_STR, banner, b_suffix); + printf("%s %s %s\n", memfd_str, banner, b_suffix); fd = mfd_assert_new("kern_memfd_share_fork", mfd_def_size, @@ -1083,7 +933,11 @@ int main(int argc, char **argv) } hugetlbfs_test = 1; + memfd_str = MEMFD_HUGE_STR; mfd_def_size = hpage_size * 2; + } else { + printf("Unknown option: %s\n", argv[1]); + abort(); } } diff --git a/tools/testing/selftests/memfd/run_fuse_test.sh b/tools/testing/selftests/memfd/run_fuse_test.sh index 407df68dfe27..22e572e2d66a 100755 --- a/tools/testing/selftests/memfd/run_fuse_test.sh +++ b/tools/testing/selftests/memfd/run_fuse_test.sh @@ -10,6 +10,6 @@ set -e mkdir mnt ./fuse_mnt ./mnt -./fuse_test ./mnt/memfd +./fuse_test ./mnt/memfd $@ fusermount -u ./mnt rmdir ./mnt diff --git a/tools/testing/selftests/memfd/run_tests.sh b/tools/testing/selftests/memfd/run_tests.sh index daabb350697c..c2d41ed81b24 100755 --- a/tools/testing/selftests/memfd/run_tests.sh +++ b/tools/testing/selftests/memfd/run_tests.sh @@ -60,6 +60,7 @@ fi # Run the hugetlbfs test # ./memfd_test hugetlbfs +./run_fuse_test.sh hugetlbfs # # Give back any huge pages allocated for the test diff --git a/tools/testing/selftests/net/reuseport_bpf.c b/tools/testing/selftests/net/reuseport_bpf.c index 4a8217448f20..cad14cd0ea92 100644 --- a/tools/testing/selftests/net/reuseport_bpf.c +++ b/tools/testing/selftests/net/reuseport_bpf.c @@ -21,6 +21,7 @@ #include <sys/epoll.h> #include <sys/types.h> #include <sys/socket.h> +#include <sys/resource.h> #include <unistd.h> #ifndef ARRAY_SIZE @@ -190,11 +191,14 @@ static void send_from(struct test_params p, uint16_t sport, char *buf, struct sockaddr * const saddr = new_any_sockaddr(p.send_family, sport); struct sockaddr * const daddr = new_loopback_sockaddr(p.send_family, p.recv_port); - const int fd = socket(p.send_family, p.protocol, 0); + const int fd = socket(p.send_family, p.protocol, 0), one = 1; if (fd < 0) error(1, errno, "failed to create send socket"); + if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one))) + error(1, errno, "failed to set reuseaddr"); + if (bind(fd, saddr, sockaddr_size())) error(1, errno, "failed to bind send socket"); @@ -433,6 +437,21 @@ void enable_fastopen(void) } } +static struct rlimit rlim_old, rlim_new; + +static __attribute__((constructor)) void main_ctor(void) +{ + getrlimit(RLIMIT_MEMLOCK, &rlim_old); + rlim_new.rlim_cur = rlim_old.rlim_cur + (1UL << 20); + rlim_new.rlim_max = rlim_old.rlim_max + (1UL << 20); + setrlimit(RLIMIT_MEMLOCK, &rlim_new); +} + +static __attribute__((destructor)) void main_dtor(void) +{ + setrlimit(RLIMIT_MEMLOCK, &rlim_old); +} + int main(void) { fprintf(stderr, "---- IPv4 UDP ----\n"); diff --git a/tools/testing/selftests/nsfs/pidns.c b/tools/testing/selftests/nsfs/pidns.c index 1182d4e437a2..e0d86e1668c0 100644 --- a/tools/testing/selftests/nsfs/pidns.c +++ b/tools/testing/selftests/nsfs/pidns.c @@ -70,7 +70,7 @@ int main(int argc, char *argv[]) return pr_err("NS_GET_PARENT returned a wrong namespace"); if (ioctl(pns, NS_GET_PARENT) >= 0 || errno != EPERM) - return pr_err("Don't get EPERM");; + return pr_err("Don't get EPERM"); } kill(pid, SIGKILL); diff --git a/tools/testing/selftests/ntb/ntb_test.sh b/tools/testing/selftests/ntb/ntb_test.sh index 5fc7ad359e21..08cbfbbc7029 100755 --- a/tools/testing/selftests/ntb/ntb_test.sh +++ b/tools/testing/selftests/ntb/ntb_test.sh @@ -18,7 +18,6 @@ LIST_DEVS=FALSE DEBUGFS=${DEBUGFS-/sys/kernel/debug} -DB_BITMASK=0x7FFF PERF_RUN_ORDER=32 MAX_MW_SIZE=0 RUN_DMA_TESTS= @@ -39,15 +38,17 @@ function show_help() echo "be highly recommended." echo echo "Options:" - echo " -b BITMASK doorbell clear bitmask for ntb_tool" echo " -C don't cleanup ntb modules on exit" - echo " -d run dma tests" echo " -h show this help message" echo " -l list available local and remote PCI ids" echo " -r REMOTE_HOST specify the remote's hostname to connect" - echo " to for the test (using ssh)" - echo " -p NUM ntb_perf run order (default: $PERF_RUN_ORDER)" - echo " -w max_mw_size maxmium memory window size" + echo " to for the test (using ssh)" + echo " -m MW_SIZE memory window size for ntb_tool" + echo " (default: $MW_SIZE)" + echo " -d run dma tests for ntb_perf" + echo " -p ORDER total data order for ntb_perf" + echo " (default: $PERF_RUN_ORDER)" + echo " -w MAX_MW_SIZE maxmium memory window size for ntb_perf" echo } @@ -56,7 +57,6 @@ function parse_args() OPTIND=0 while getopts "b:Cdhlm:r:p:w:" opt; do case "$opt" in - b) DB_BITMASK=${OPTARG} ;; C) DONT_CLEANUP=1 ;; d) RUN_DMA_TESTS=1 ;; h) show_help; exit 0 ;; @@ -87,7 +87,7 @@ set -e function _modprobe() { - modprobe "$@" + modprobe "$@" if [[ "$REMOTE_HOST" != "" ]]; then ssh "$REMOTE_HOST" modprobe "$@" @@ -127,15 +127,70 @@ function write_file() fi } +function check_file() +{ + split_remote $1 + + if [[ "$REMOTE" != "" ]]; then + ssh "$REMOTE" "[[ -e ${VPATH} ]]" + else + [[ -e ${VPATH} ]] + fi +} + +function subdirname() +{ + echo $(basename $(dirname $1)) 2> /dev/null +} + +function find_pidx() +{ + PORT=$1 + PPATH=$2 + + for ((i = 0; i < 64; i++)); do + PEER_DIR="$PPATH/peer$i" + + check_file ${PEER_DIR} || break + + PEER_PORT=$(read_file "${PEER_DIR}/port") + if [[ ${PORT} -eq $PEER_PORT ]]; then + echo $i + return 0 + fi + done + + return 1 +} + +function port_test() +{ + LOC=$1 + REM=$2 + + echo "Running port tests on: $(basename $LOC) / $(basename $REM)" + + LOCAL_PORT=$(read_file "$LOC/port") + REMOTE_PORT=$(read_file "$REM/port") + + LOCAL_PIDX=$(find_pidx ${REMOTE_PORT} "$LOC") + REMOTE_PIDX=$(find_pidx ${LOCAL_PORT} "$REM") + + echo "Local port ${LOCAL_PORT} with index ${REMOTE_PIDX} on remote host" + echo "Peer port ${REMOTE_PORT} with index ${LOCAL_PIDX} on local host" + + echo " Passed" +} + function link_test() { LOC=$1 REM=$2 EXP=0 - echo "Running link tests on: $(basename $LOC) / $(basename $REM)" + echo "Running link tests on: $(subdirname $LOC) / $(subdirname $REM)" - if ! write_file "N" "$LOC/link" 2> /dev/null; then + if ! write_file "N" "$LOC/../link" 2> /dev/null; then echo " Unsupported" return fi @@ -143,12 +198,11 @@ function link_test() write_file "N" "$LOC/link_event" if [[ $(read_file "$REM/link") != "N" ]]; then - echo "Expected remote link to be down in $REM/link" >&2 + echo "Expected link to be down in $REM/link" >&2 exit -1 fi - write_file "Y" "$LOC/link" - write_file "Y" "$LOC/link_event" + write_file "Y" "$LOC/../link" echo " Passed" } @@ -161,58 +215,136 @@ function doorbell_test() echo "Running db tests on: $(basename $LOC) / $(basename $REM)" - write_file "c $DB_BITMASK" "$REM/db" + DB_VALID_MASK=$(read_file "$LOC/db_valid_mask") + + write_file "c $DB_VALID_MASK" "$REM/db" - for ((i=1; i <= 8; i++)); do - let DB=$(read_file "$REM/db") || true - if [[ "$DB" != "$EXP" ]]; then + for ((i = 0; i < 64; i++)); do + DB=$(read_file "$REM/db") + if [[ "$DB" -ne "$EXP" ]]; then echo "Doorbell doesn't match expected value $EXP " \ "in $REM/db" >&2 exit -1 fi - let "MASK=1 << ($i-1)" || true - let "EXP=$EXP | $MASK" || true + let "MASK = (1 << $i) & $DB_VALID_MASK" || true + let "EXP = $EXP | $MASK" || true + write_file "s $MASK" "$LOC/peer_db" done + write_file "c $DB_VALID_MASK" "$REM/db_mask" + write_file $DB_VALID_MASK "$REM/db_event" + write_file "s $DB_VALID_MASK" "$REM/db_mask" + + write_file "c $DB_VALID_MASK" "$REM/db" + echo " Passed" } -function read_spad() +function get_files_count() { - VPATH=$1 - IDX=$2 + NAME=$1 + LOC=$2 + + split_remote $LOC - ROW=($(read_file "$VPATH" | grep -e "^$IDX")) - let VAL=${ROW[1]} || true - echo $VAL + if [[ "$REMOTE" == "" ]]; then + echo $(ls -1 "$LOC"/${NAME}* 2>/dev/null | wc -l) + else + echo $(ssh "$REMOTE" "ls -1 \"$VPATH\"/${NAME}* | \ + wc -l" 2> /dev/null) + fi } function scratchpad_test() { LOC=$1 REM=$2 - CNT=$(read_file "$LOC/spad" | wc -l) - echo "Running spad tests on: $(basename $LOC) / $(basename $REM)" + echo "Running spad tests on: $(subdirname $LOC) / $(subdirname $REM)" + + CNT=$(get_files_count "spad" "$LOC") + + if [[ $CNT -eq 0 ]]; then + echo " Unsupported" + return + fi for ((i = 0; i < $CNT; i++)); do VAL=$RANDOM - write_file "$i $VAL" "$LOC/peer_spad" - RVAL=$(read_spad "$REM/spad" $i) + write_file "$VAL" "$LOC/spad$i" + RVAL=$(read_file "$REM/../spad$i") - if [[ "$VAL" != "$RVAL" ]]; then - echo "Scratchpad doesn't match expected value $VAL " \ - "in $REM/spad, got $RVAL" >&2 + if [[ "$VAL" -ne "$RVAL" ]]; then + echo "Scratchpad $i value $RVAL doesn't match $VAL" >&2 exit -1 fi + done + + echo " Passed" +} + +function message_test() +{ + LOC=$1 + REM=$2 + + echo "Running msg tests on: $(subdirname $LOC) / $(subdirname $REM)" + + CNT=$(get_files_count "msg" "$LOC") + if [[ $CNT -eq 0 ]]; then + echo " Unsupported" + return + fi + + MSG_OUTBITS_MASK=$(read_file "$LOC/../msg_inbits") + MSG_INBITS_MASK=$(read_file "$REM/../msg_inbits") + + write_file "c $MSG_OUTBITS_MASK" "$LOC/../msg_sts" + write_file "c $MSG_INBITS_MASK" "$REM/../msg_sts" + + for ((i = 0; i < $CNT; i++)); do + VAL=$RANDOM + write_file "$VAL" "$LOC/msg$i" + RVAL=$(read_file "$REM/../msg$i") + + if [[ "$VAL" -ne "${RVAL%%<-*}" ]]; then + echo "Message $i value $RVAL doesn't match $VAL" >&2 + exit -1 + fi done echo " Passed" } +function get_number() +{ + KEY=$1 + + sed -n "s/^\(${KEY}\)[ \t]*\(0x[0-9a-fA-F]*\)\(\[p\]\)\?$/\2/p" +} + +function mw_alloc() +{ + IDX=$1 + LOC=$2 + REM=$3 + + write_file $MW_SIZE "$LOC/mw_trans$IDX" + + INB_MW=$(read_file "$LOC/mw_trans$IDX") + MW_ALIGNED_SIZE=$(echo "$INB_MW" | get_number "Window Size") + MW_DMA_ADDR=$(echo "$INB_MW" | get_number "DMA Address") + + write_file "$MW_DMA_ADDR:$(($MW_ALIGNED_SIZE))" "$REM/peer_mw_trans$IDX" + + if [[ $MW_SIZE -ne $MW_ALIGNED_SIZE ]]; then + echo "MW $IDX size aligned to $MW_ALIGNED_SIZE" + fi +} + function write_mw() { split_remote $2 @@ -225,17 +357,15 @@ function write_mw() fi } -function mw_test() +function mw_check() { IDX=$1 LOC=$2 REM=$3 - echo "Running $IDX tests on: $(basename $LOC) / $(basename $REM)" + write_mw "$LOC/mw$IDX" - write_mw "$LOC/$IDX" - - split_remote "$LOC/$IDX" + split_remote "$LOC/mw$IDX" if [[ "$REMOTE" == "" ]]; then A=$VPATH else @@ -243,7 +373,7 @@ function mw_test() ssh "$REMOTE" cat "$VPATH" > "$A" fi - split_remote "$REM/peer_$IDX" + split_remote "$REM/peer_mw$IDX" if [[ "$REMOTE" == "" ]]; then B=$VPATH else @@ -251,7 +381,7 @@ function mw_test() ssh "$REMOTE" cat "$VPATH" > "$B" fi - cmp -n $MW_SIZE "$A" "$B" + cmp -n $MW_ALIGNED_SIZE "$A" "$B" if [[ $? != 0 ]]; then echo "Memory window $MW did not match!" >&2 fi @@ -263,8 +393,39 @@ function mw_test() if [[ "$B" == "/tmp/*" ]]; then rm "$B" fi +} + +function mw_free() +{ + IDX=$1 + LOC=$2 + REM=$3 + + write_file "$MW_DMA_ADDR:0" "$REM/peer_mw_trans$IDX" + + write_file 0 "$LOC/mw_trans$IDX" +} + +function mw_test() +{ + LOC=$1 + REM=$2 + + CNT=$(get_files_count "mw_trans" "$LOC") + + for ((i = 0; i < $CNT; i++)); do + echo "Running mw$i tests on: $(subdirname $LOC) / " \ + "$(subdirname $REM)" + + mw_alloc $i $LOC $REM + + mw_check $i $LOC $REM + + mw_free $i $LOC $REM + + echo " Passed" + done - echo " Passed" } function pingpong_test() @@ -274,13 +435,13 @@ function pingpong_test() echo "Running ping pong tests on: $(basename $LOC) / $(basename $REM)" - LOC_START=$(read_file $LOC/count) - REM_START=$(read_file $REM/count) + LOC_START=$(read_file "$LOC/count") + REM_START=$(read_file "$REM/count") sleep 7 - LOC_END=$(read_file $LOC/count) - REM_END=$(read_file $REM/count) + LOC_END=$(read_file "$LOC/count") + REM_END=$(read_file "$REM/count") if [[ $LOC_START == $LOC_END ]] || [[ $REM_START == $REM_END ]]; then echo "Ping pong counter not incrementing!" >&2 @@ -300,19 +461,19 @@ function perf_test() WITH="without" fi - _modprobe ntb_perf run_order=$PERF_RUN_ORDER \ + _modprobe ntb_perf total_order=$PERF_RUN_ORDER \ max_mw_size=$MAX_MW_SIZE use_dma=$USE_DMA echo "Running local perf test $WITH DMA" - write_file "" $LOCAL_PERF/run + write_file "$LOCAL_PIDX" "$LOCAL_PERF/run" echo -n " " - read_file $LOCAL_PERF/run + read_file "$LOCAL_PERF/run" echo " Passed" echo "Running remote perf test $WITH DMA" - write_file "" $REMOTE_PERF/run + write_file "$REMOTE_PIDX" "$REMOTE_PERF/run" echo -n " " - read_file $REMOTE_PERF/run + read_file "$REMOTE_PERF/run" echo " Passed" _modprobe -r ntb_perf @@ -320,48 +481,44 @@ function perf_test() function ntb_tool_tests() { - LOCAL_TOOL=$DEBUGFS/ntb_tool/$LOCAL_DEV - REMOTE_TOOL=$REMOTE_HOST:$DEBUGFS/ntb_tool/$REMOTE_DEV + LOCAL_TOOL="$DEBUGFS/ntb_tool/$LOCAL_DEV" + REMOTE_TOOL="$REMOTE_HOST:$DEBUGFS/ntb_tool/$REMOTE_DEV" echo "Starting ntb_tool tests..." _modprobe ntb_tool - write_file Y $LOCAL_TOOL/link_event - write_file Y $REMOTE_TOOL/link_event + port_test "$LOCAL_TOOL" "$REMOTE_TOOL" - link_test $LOCAL_TOOL $REMOTE_TOOL - link_test $REMOTE_TOOL $LOCAL_TOOL + LOCAL_PEER_TOOL="$LOCAL_TOOL/peer$LOCAL_PIDX" + REMOTE_PEER_TOOL="$REMOTE_TOOL/peer$REMOTE_PIDX" + + link_test "$LOCAL_PEER_TOOL" "$REMOTE_PEER_TOOL" + link_test "$REMOTE_PEER_TOOL" "$LOCAL_PEER_TOOL" #Ensure the link is up on both sides before continuing - write_file Y $LOCAL_TOOL/link_event - write_file Y $REMOTE_TOOL/link_event + write_file "Y" "$LOCAL_PEER_TOOL/link_event" + write_file "Y" "$REMOTE_PEER_TOOL/link_event" - for PEER_TRANS in $(ls $LOCAL_TOOL/peer_trans*); do - PT=$(basename $PEER_TRANS) - write_file $MW_SIZE $LOCAL_TOOL/$PT - write_file $MW_SIZE $REMOTE_TOOL/$PT - done + doorbell_test "$LOCAL_TOOL" "$REMOTE_TOOL" + doorbell_test "$REMOTE_TOOL" "$LOCAL_TOOL" - doorbell_test $LOCAL_TOOL $REMOTE_TOOL - doorbell_test $REMOTE_TOOL $LOCAL_TOOL - scratchpad_test $LOCAL_TOOL $REMOTE_TOOL - scratchpad_test $REMOTE_TOOL $LOCAL_TOOL + scratchpad_test "$LOCAL_PEER_TOOL" "$REMOTE_PEER_TOOL" + scratchpad_test "$REMOTE_PEER_TOOL" "$LOCAL_PEER_TOOL" - for MW in $(ls $LOCAL_TOOL/mw*); do - MW=$(basename $MW) + message_test "$LOCAL_PEER_TOOL" "$REMOTE_PEER_TOOL" + message_test "$REMOTE_PEER_TOOL" "$LOCAL_PEER_TOOL" - mw_test $MW $LOCAL_TOOL $REMOTE_TOOL - mw_test $MW $REMOTE_TOOL $LOCAL_TOOL - done + mw_test "$LOCAL_PEER_TOOL" "$REMOTE_PEER_TOOL" + mw_test "$REMOTE_PEER_TOOL" "$LOCAL_PEER_TOOL" _modprobe -r ntb_tool } function ntb_pingpong_tests() { - LOCAL_PP=$DEBUGFS/ntb_pingpong/$LOCAL_DEV - REMOTE_PP=$REMOTE_HOST:$DEBUGFS/ntb_pingpong/$REMOTE_DEV + LOCAL_PP="$DEBUGFS/ntb_pingpong/$LOCAL_DEV" + REMOTE_PP="$REMOTE_HOST:$DEBUGFS/ntb_pingpong/$REMOTE_DEV" echo "Starting ntb_pingpong tests..." @@ -374,8 +531,8 @@ function ntb_pingpong_tests() function ntb_perf_tests() { - LOCAL_PERF=$DEBUGFS/ntb_perf/$LOCAL_DEV - REMOTE_PERF=$REMOTE_HOST:$DEBUGFS/ntb_perf/$REMOTE_DEV + LOCAL_PERF="$DEBUGFS/ntb_perf/$LOCAL_DEV" + REMOTE_PERF="$REMOTE_HOST:$DEBUGFS/ntb_perf/$REMOTE_DEV" echo "Starting ntb_perf tests..." diff --git a/tools/testing/selftests/powerpc/alignment/Makefile b/tools/testing/selftests/powerpc/alignment/Makefile index 16b22004e75f..083a48a008b4 100644 --- a/tools/testing/selftests/powerpc/alignment/Makefile +++ b/tools/testing/selftests/powerpc/alignment/Makefile @@ -1,4 +1,5 @@ -TEST_GEN_PROGS := copy_unaligned copy_first_unaligned paste_unaligned paste_last_unaligned +TEST_GEN_PROGS := copy_unaligned copy_first_unaligned paste_unaligned \ + paste_last_unaligned alignment_handler include ../../lib.mk diff --git a/tools/testing/selftests/powerpc/alignment/alignment_handler.c b/tools/testing/selftests/powerpc/alignment/alignment_handler.c new file mode 100644 index 000000000000..39fd362415cf --- /dev/null +++ b/tools/testing/selftests/powerpc/alignment/alignment_handler.c @@ -0,0 +1,491 @@ +/* + * Test the powerpc alignment handler on POWER8/POWER9 + * + * Copyright (C) 2017 IBM Corporation (Michael Neuling, Andrew Donnellan) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +/* + * This selftest exercises the powerpc alignment fault handler. + * + * We create two sets of source and destination buffers, one in regular memory, + * the other cache-inhibited (we use /dev/fb0 for this). + * + * We initialise the source buffers, then use whichever set of load/store + * instructions is under test to copy bytes from the source buffers to the + * destination buffers. For the regular buffers, these instructions will + * execute normally. For the cache-inhibited buffers, these instructions + * will trap and cause an alignment fault, and the alignment fault handler + * will emulate the particular instruction under test. We then compare the + * destination buffers to ensure that the native and emulated cases give the + * same result. + * + * TODO: + * - Any FIXMEs below + * - Test VSX regs < 32 and > 32 + * - Test all loads and stores + * - Check update forms do update register + * - Test alignment faults over page boundary + * + * Some old binutils may not support all the instructions. + */ + + +#include <sys/mman.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <unistd.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <assert.h> +#include <getopt.h> +#include <setjmp.h> +#include <signal.h> + +#include "utils.h" + +int bufsize; +int debug; +int testing; +volatile int gotsig; + +void sighandler(int sig, siginfo_t *info, void *ctx) +{ + struct ucontext *ucp = ctx; + + if (!testing) { + signal(sig, SIG_DFL); + kill(0, sig); + } + gotsig = sig; +#ifdef __powerpc64__ + ucp->uc_mcontext.gp_regs[PT_NIP] += 4; +#else + ucp->uc_mcontext.uc_regs->gregs[PT_NIP] += 4; +#endif +} + +#define XFORM(reg, n) " " #reg " ,%"#n",%2 ;" +#define DFORM(reg, n) " " #reg " ,0(%"#n") ;" + +#define TEST(name, ld_op, st_op, form, ld_reg, st_reg) \ + void test_##name(char *s, char *d) \ + { \ + asm volatile( \ + #ld_op form(ld_reg, 0) \ + #st_op form(st_reg, 1) \ + :: "r"(s), "r"(d), "r"(0) \ + : "memory", "vs0", "vs32", "r31"); \ + } \ + rc |= do_test(#name, test_##name) + +#define LOAD_VSX_XFORM_TEST(op) TEST(op, op, stxvd2x, XFORM, 32, 32) +#define STORE_VSX_XFORM_TEST(op) TEST(op, lxvd2x, op, XFORM, 32, 32) +#define LOAD_VSX_DFORM_TEST(op) TEST(op, op, stxv, DFORM, 32, 32) +#define STORE_VSX_DFORM_TEST(op) TEST(op, lxv, op, DFORM, 32, 32) +#define LOAD_VMX_XFORM_TEST(op) TEST(op, op, stxvd2x, XFORM, 0, 32) +#define STORE_VMX_XFORM_TEST(op) TEST(op, lxvd2x, op, XFORM, 32, 0) +#define LOAD_VMX_DFORM_TEST(op) TEST(op, op, stxv, DFORM, 0, 32) +#define STORE_VMX_DFORM_TEST(op) TEST(op, lxv, op, DFORM, 32, 0) + +#define LOAD_XFORM_TEST(op) TEST(op, op, stdx, XFORM, 31, 31) +#define STORE_XFORM_TEST(op) TEST(op, ldx, op, XFORM, 31, 31) +#define LOAD_DFORM_TEST(op) TEST(op, op, std, DFORM, 31, 31) +#define STORE_DFORM_TEST(op) TEST(op, ld, op, DFORM, 31, 31) + +#define LOAD_FLOAT_DFORM_TEST(op) TEST(op, op, stfd, DFORM, 0, 0) +#define STORE_FLOAT_DFORM_TEST(op) TEST(op, lfd, op, DFORM, 0, 0) +#define LOAD_FLOAT_XFORM_TEST(op) TEST(op, op, stfdx, XFORM, 0, 0) +#define STORE_FLOAT_XFORM_TEST(op) TEST(op, lfdx, op, XFORM, 0, 0) + + +/* FIXME: Unimplemented tests: */ +// STORE_DFORM_TEST(stq) /* FIXME: need two registers for quad */ +// STORE_DFORM_TEST(stswi) /* FIXME: string instruction */ + +// STORE_XFORM_TEST(stwat) /* AMO can't emulate or run on CI */ +// STORE_XFORM_TEST(stdat) /* ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ */ + + +/* preload byte by byte */ +void preload_data(void *dst, int offset, int width) +{ + char *c = dst; + int i; + + c += offset; + + for (i = 0 ; i < width ; i++) + c[i] = i; +} + +int test_memcpy(void *dst, void *src, int size, int offset, + void (*test_func)(char *, char *)) +{ + char *s, *d; + + s = src; + s += offset; + d = dst; + d += offset; + + assert(size == 16); + gotsig = 0; + testing = 1; + + test_func(s, d); /* run the actual test */ + + testing = 0; + if (gotsig) { + if (debug) + printf(" Got signal %i\n", gotsig); + return 1; + } + return 0; +} + +void dumpdata(char *s1, char *s2, int n, char *test_name) +{ + int i; + + printf(" %s: unexpected result:\n", test_name); + printf(" mem:"); + for (i = 0; i < n; i++) + printf(" %02x", s1[i]); + printf("\n"); + printf(" ci: "); + for (i = 0; i < n; i++) + printf(" %02x", s2[i]); + printf("\n"); +} + +int test_memcmp(void *s1, void *s2, int n, int offset, char *test_name) +{ + char *s1c, *s2c; + + s1c = s1; + s1c += offset; + s2c = s2; + s2c += offset; + + if (memcmp(s1c, s2c, n)) { + if (debug) { + printf("\n Compare failed. Offset:%i length:%i\n", + offset, n); + dumpdata(s1c, s2c, n, test_name); + } + return 1; + } + return 0; +} + +/* + * Do two memcpy tests using the same instructions. One cachable + * memory and the other doesn't. + */ +int do_test(char *test_name, void (*test_func)(char *, char *)) +{ + int offset, width, fd, rc = 0, r; + void *mem0, *mem1, *ci0, *ci1; + + printf("\tDoing %s:\t", test_name); + + fd = open("/dev/fb0", O_RDWR); + if (fd < 0) { + printf("\n"); + perror("Can't open /dev/fb0"); + SKIP_IF(1); + } + + ci0 = mmap(NULL, bufsize, PROT_WRITE, MAP_SHARED, + fd, 0x0); + ci1 = mmap(NULL, bufsize, PROT_WRITE, MAP_SHARED, + fd, bufsize); + if ((ci0 == MAP_FAILED) || (ci1 == MAP_FAILED)) { + printf("\n"); + perror("mmap failed"); + SKIP_IF(1); + } + + rc = posix_memalign(&mem0, bufsize, bufsize); + if (rc) { + printf("\n"); + return rc; + } + + rc = posix_memalign(&mem1, bufsize, bufsize); + if (rc) { + printf("\n"); + free(mem0); + return rc; + } + + /* offset = 0 no alignment fault, so skip */ + for (offset = 1; offset < 16; offset++) { + width = 16; /* vsx == 16 bytes */ + r = 0; + + /* load pattern into memory byte by byte */ + preload_data(ci0, offset, width); + preload_data(mem0, offset, width); // FIXME: remove?? + memcpy(ci0, mem0, bufsize); + memcpy(ci1, mem1, bufsize); /* initialise output to the same */ + + /* sanity check */ + test_memcmp(mem0, ci0, width, offset, test_name); + + r |= test_memcpy(ci1, ci0, width, offset, test_func); + r |= test_memcpy(mem1, mem0, width, offset, test_func); + if (r && !debug) { + printf("FAILED: Got signal"); + break; + } + + r |= test_memcmp(mem1, ci1, width, offset, test_name); + rc |= r; + if (r && !debug) { + printf("FAILED: Wrong Data"); + break; + } + } + if (!r) + printf("PASSED"); + printf("\n"); + + munmap(ci0, bufsize); + munmap(ci1, bufsize); + free(mem0); + free(mem1); + + return rc; +} + +int test_alignment_handler_vsx_206(void) +{ + int rc = 0; + + printf("VSX: 2.06B\n"); + LOAD_VSX_XFORM_TEST(lxvd2x); + LOAD_VSX_XFORM_TEST(lxvw4x); + LOAD_VSX_XFORM_TEST(lxsdx); + LOAD_VSX_XFORM_TEST(lxvdsx); + STORE_VSX_XFORM_TEST(stxvd2x); + STORE_VSX_XFORM_TEST(stxvw4x); + STORE_VSX_XFORM_TEST(stxsdx); + return rc; +} + +int test_alignment_handler_vsx_207(void) +{ + int rc = 0; + + printf("VSX: 2.07B\n"); + LOAD_VSX_XFORM_TEST(lxsspx); + LOAD_VSX_XFORM_TEST(lxsiwax); + LOAD_VSX_XFORM_TEST(lxsiwzx); + STORE_VSX_XFORM_TEST(stxsspx); + STORE_VSX_XFORM_TEST(stxsiwx); + return rc; +} + +int test_alignment_handler_vsx_300(void) +{ + int rc = 0; + + SKIP_IF(!have_hwcap2(PPC_FEATURE2_ARCH_3_00)); + printf("VSX: 3.00B\n"); + LOAD_VMX_DFORM_TEST(lxsd); + LOAD_VSX_XFORM_TEST(lxsibzx); + LOAD_VSX_XFORM_TEST(lxsihzx); + LOAD_VMX_DFORM_TEST(lxssp); + LOAD_VSX_DFORM_TEST(lxv); + LOAD_VSX_XFORM_TEST(lxvb16x); + LOAD_VSX_XFORM_TEST(lxvh8x); + LOAD_VSX_XFORM_TEST(lxvx); + LOAD_VSX_XFORM_TEST(lxvwsx); + LOAD_VSX_XFORM_TEST(lxvl); + LOAD_VSX_XFORM_TEST(lxvll); + STORE_VMX_DFORM_TEST(stxsd); + STORE_VSX_XFORM_TEST(stxsibx); + STORE_VSX_XFORM_TEST(stxsihx); + STORE_VMX_DFORM_TEST(stxssp); + STORE_VSX_DFORM_TEST(stxv); + STORE_VSX_XFORM_TEST(stxvb16x); + STORE_VSX_XFORM_TEST(stxvh8x); + STORE_VSX_XFORM_TEST(stxvx); + STORE_VSX_XFORM_TEST(stxvl); + STORE_VSX_XFORM_TEST(stxvll); + return rc; +} + +int test_alignment_handler_integer(void) +{ + int rc = 0; + + printf("Integer\n"); + LOAD_DFORM_TEST(lbz); + LOAD_DFORM_TEST(lbzu); + LOAD_XFORM_TEST(lbzx); + LOAD_XFORM_TEST(lbzux); + LOAD_DFORM_TEST(lhz); + LOAD_DFORM_TEST(lhzu); + LOAD_XFORM_TEST(lhzx); + LOAD_XFORM_TEST(lhzux); + LOAD_DFORM_TEST(lha); + LOAD_DFORM_TEST(lhau); + LOAD_XFORM_TEST(lhax); + LOAD_XFORM_TEST(lhaux); + LOAD_XFORM_TEST(lhbrx); + LOAD_DFORM_TEST(lwz); + LOAD_DFORM_TEST(lwzu); + LOAD_XFORM_TEST(lwzx); + LOAD_XFORM_TEST(lwzux); + LOAD_DFORM_TEST(lwa); + LOAD_XFORM_TEST(lwax); + LOAD_XFORM_TEST(lwaux); + LOAD_XFORM_TEST(lwbrx); + LOAD_DFORM_TEST(ld); + LOAD_DFORM_TEST(ldu); + LOAD_XFORM_TEST(ldx); + LOAD_XFORM_TEST(ldux); + LOAD_XFORM_TEST(ldbrx); + LOAD_DFORM_TEST(lmw); + STORE_DFORM_TEST(stb); + STORE_XFORM_TEST(stbx); + STORE_DFORM_TEST(stbu); + STORE_XFORM_TEST(stbux); + STORE_DFORM_TEST(sth); + STORE_XFORM_TEST(sthx); + STORE_DFORM_TEST(sthu); + STORE_XFORM_TEST(sthux); + STORE_XFORM_TEST(sthbrx); + STORE_DFORM_TEST(stw); + STORE_XFORM_TEST(stwx); + STORE_DFORM_TEST(stwu); + STORE_XFORM_TEST(stwux); + STORE_XFORM_TEST(stwbrx); + STORE_DFORM_TEST(std); + STORE_XFORM_TEST(stdx); + STORE_DFORM_TEST(stdu); + STORE_XFORM_TEST(stdux); + STORE_XFORM_TEST(stdbrx); + STORE_DFORM_TEST(stmw); + return rc; +} + +int test_alignment_handler_vmx(void) +{ + int rc = 0; + + printf("VMX\n"); + LOAD_VMX_XFORM_TEST(lvx); + + /* + * FIXME: These loads only load part of the register, so our + * testing method doesn't work. Also they don't take alignment + * faults, so it's kinda pointless anyway + * + LOAD_VMX_XFORM_TEST(lvebx) + LOAD_VMX_XFORM_TEST(lvehx) + LOAD_VMX_XFORM_TEST(lvewx) + LOAD_VMX_XFORM_TEST(lvxl) + */ + STORE_VMX_XFORM_TEST(stvx); + STORE_VMX_XFORM_TEST(stvebx); + STORE_VMX_XFORM_TEST(stvehx); + STORE_VMX_XFORM_TEST(stvewx); + STORE_VMX_XFORM_TEST(stvxl); + return rc; +} + +int test_alignment_handler_fp(void) +{ + int rc = 0; + + printf("Floating point\n"); + LOAD_FLOAT_DFORM_TEST(lfd); + LOAD_FLOAT_XFORM_TEST(lfdx); + LOAD_FLOAT_DFORM_TEST(lfdp); + LOAD_FLOAT_XFORM_TEST(lfdpx); + LOAD_FLOAT_DFORM_TEST(lfdu); + LOAD_FLOAT_XFORM_TEST(lfdux); + LOAD_FLOAT_DFORM_TEST(lfs); + LOAD_FLOAT_XFORM_TEST(lfsx); + LOAD_FLOAT_DFORM_TEST(lfsu); + LOAD_FLOAT_XFORM_TEST(lfsux); + LOAD_FLOAT_XFORM_TEST(lfiwzx); + LOAD_FLOAT_XFORM_TEST(lfiwax); + STORE_FLOAT_DFORM_TEST(stfd); + STORE_FLOAT_XFORM_TEST(stfdx); + STORE_FLOAT_DFORM_TEST(stfdp); + STORE_FLOAT_XFORM_TEST(stfdpx); + STORE_FLOAT_DFORM_TEST(stfdu); + STORE_FLOAT_XFORM_TEST(stfdux); + STORE_FLOAT_DFORM_TEST(stfs); + STORE_FLOAT_XFORM_TEST(stfsx); + STORE_FLOAT_DFORM_TEST(stfsu); + STORE_FLOAT_XFORM_TEST(stfsux); + STORE_FLOAT_XFORM_TEST(stfiwx); + + return rc; +} + +void usage(char *prog) +{ + printf("Usage: %s [options]\n", prog); + printf(" -d Enable debug error output\n"); + printf("\n"); + printf("This test requires a POWER8 or POWER9 CPU and a usable "); + printf("framebuffer at /dev/fb0.\n"); +} + +int main(int argc, char *argv[]) +{ + + struct sigaction sa; + int rc = 0; + int option = 0; + + while ((option = getopt(argc, argv, "d")) != -1) { + switch (option) { + case 'd': + debug++; + break; + default: + usage(argv[0]); + exit(1); + } + } + + bufsize = getpagesize(); + + sa.sa_sigaction = sighandler; + sigemptyset(&sa.sa_mask); + sa.sa_flags = SA_SIGINFO; + if (sigaction(SIGSEGV, &sa, NULL) == -1 + || sigaction(SIGBUS, &sa, NULL) == -1 + || sigaction(SIGILL, &sa, NULL) == -1) { + perror("sigaction"); + exit(1); + } + + rc |= test_harness(test_alignment_handler_vsx_206, + "test_alignment_handler_vsx_206"); + rc |= test_harness(test_alignment_handler_vsx_207, + "test_alignment_handler_vsx_207"); + rc |= test_harness(test_alignment_handler_vsx_300, + "test_alignment_handler_vsx_300"); + rc |= test_harness(test_alignment_handler_integer, + "test_alignment_handler_integer"); + rc |= test_harness(test_alignment_handler_vmx, + "test_alignment_handler_vmx"); + rc |= test_harness(test_alignment_handler_fp, + "test_alignment_handler_fp"); + return rc; +} diff --git a/tools/testing/selftests/powerpc/benchmarks/mmap_bench.c b/tools/testing/selftests/powerpc/benchmarks/mmap_bench.c index 8d084a2d6e74..7a0a462a2272 100644 --- a/tools/testing/selftests/powerpc/benchmarks/mmap_bench.c +++ b/tools/testing/selftests/powerpc/benchmarks/mmap_bench.c @@ -7,17 +7,34 @@ #include <stdlib.h> #include <sys/mman.h> #include <time.h> +#include <getopt.h> #include "utils.h" #define ITERATIONS 5000000 -#define MEMSIZE (128 * 1024 * 1024) +#define MEMSIZE (1UL << 27) +#define PAGE_SIZE (1UL << 16) +#define CHUNK_COUNT (MEMSIZE/PAGE_SIZE) + +static int pg_fault; +static int iterations = ITERATIONS; + +static struct option options[] = { + { "pgfault", no_argument, &pg_fault, 1 }, + { "iterations", required_argument, 0, 'i' }, + { 0, }, +}; + +static void usage(void) +{ + printf("mmap_bench <--pgfault> <--iterations count>\n"); +} int test_mmap(void) { struct timespec ts_start, ts_end; - unsigned long i = ITERATIONS; + unsigned long i = iterations; clock_gettime(CLOCK_MONOTONIC, &ts_start); @@ -25,6 +42,11 @@ int test_mmap(void) char *c = mmap(NULL, MEMSIZE, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0); FAIL_IF(c == MAP_FAILED); + if (pg_fault) { + int count; + for (count = 0; count < CHUNK_COUNT; count++) + c[count << 16] = 'c'; + } munmap(c, MEMSIZE); } @@ -35,7 +57,32 @@ int test_mmap(void) return 0; } -int main(void) +int main(int argc, char *argv[]) { + signed char c; + while (1) { + int option_index = 0; + + c = getopt_long(argc, argv, "", options, &option_index); + + if (c == -1) + break; + + switch (c) { + case 0: + if (options[option_index].flag != 0) + break; + + usage(); + exit(1); + break; + case 'i': + iterations = atoi(optarg); + break; + default: + usage(); + exit(1); + } + } return test_harness(test_mmap, "mmap_bench"); } diff --git a/tools/testing/selftests/powerpc/mm/.gitignore b/tools/testing/selftests/powerpc/mm/.gitignore index e715a3f2fbf4..7d7c42ed6de9 100644 --- a/tools/testing/selftests/powerpc/mm/.gitignore +++ b/tools/testing/selftests/powerpc/mm/.gitignore @@ -1,4 +1,5 @@ hugetlb_vs_thp_test subpage_prot tempfile -prot_sao
\ No newline at end of file +prot_sao +segv_errors
\ No newline at end of file diff --git a/tools/testing/selftests/powerpc/mm/Makefile b/tools/testing/selftests/powerpc/mm/Makefile index bf315bcbe663..8ebbe96d80a8 100644 --- a/tools/testing/selftests/powerpc/mm/Makefile +++ b/tools/testing/selftests/powerpc/mm/Makefile @@ -2,7 +2,7 @@ noarg: $(MAKE) -C ../ -TEST_GEN_PROGS := hugetlb_vs_thp_test subpage_prot prot_sao +TEST_GEN_PROGS := hugetlb_vs_thp_test subpage_prot prot_sao segv_errors TEST_GEN_FILES := tempfile include ../../lib.mk diff --git a/tools/testing/selftests/powerpc/mm/segv_errors.c b/tools/testing/selftests/powerpc/mm/segv_errors.c new file mode 100644 index 000000000000..06ae76ee3ea1 --- /dev/null +++ b/tools/testing/selftests/powerpc/mm/segv_errors.c @@ -0,0 +1,78 @@ +// SPDX-License-Identifier: GPL-2.0 + +/* + * Copyright 2017 John Sperbeck + * + * Test that an access to a mapped but inaccessible area causes a SEGV and + * reports si_code == SEGV_ACCERR. + */ + +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <signal.h> +#include <sys/mman.h> +#include <assert.h> +#include <ucontext.h> + +#include "utils.h" + +static bool faulted; +static int si_code; + +static void segv_handler(int n, siginfo_t *info, void *ctxt_v) +{ + ucontext_t *ctxt = (ucontext_t *)ctxt_v; + struct pt_regs *regs = ctxt->uc_mcontext.regs; + + faulted = true; + si_code = info->si_code; + regs->nip += 4; +} + +int test_segv_errors(void) +{ + struct sigaction act = { + .sa_sigaction = segv_handler, + .sa_flags = SA_SIGINFO, + }; + char c, *p = NULL; + + p = mmap(NULL, getpagesize(), 0, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0); + FAIL_IF(p == MAP_FAILED); + + FAIL_IF(sigaction(SIGSEGV, &act, NULL) != 0); + + faulted = false; + si_code = 0; + + /* + * We just need a compiler barrier, but mb() works and has the nice + * property of being easy to spot in the disassembly. + */ + mb(); + c = *p; + mb(); + + FAIL_IF(!faulted); + FAIL_IF(si_code != SEGV_ACCERR); + + faulted = false; + si_code = 0; + + mb(); + *p = c; + mb(); + + FAIL_IF(!faulted); + FAIL_IF(si_code != SEGV_ACCERR); + + return 0; +} + +int main(void) +{ + return test_harness(test_segv_errors, "segv_errors"); +} diff --git a/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spd-vsx.c b/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spd-vsx.c index 0df3c23b7888..277dade1b382 100644 --- a/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spd-vsx.c +++ b/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spd-vsx.c @@ -79,8 +79,8 @@ trans: : [res] "=r" (result), [texasr] "=r" (texasr) : [fp_load] "r" (fp_load), [fp_load_ckpt] "r" (fp_load_ckpt), [sprn_texasr] "i" (SPRN_TEXASR) - : "memory", "r0", "r1", "r2", "r3", "r4", - "r8", "r9", "r10", "r11" + : "memory", "r0", "r1", "r3", "r4", + "r7", "r8", "r9", "r10", "r11" ); if (result) { diff --git a/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spr.c b/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spr.c index 94e57cb89769..51427a2465f6 100644 --- a/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spr.c +++ b/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spr.c @@ -76,8 +76,7 @@ trans: : [tfhar] "=r" (tfhar), [res] "=r" (result), [texasr] "=r" (texasr), [cptr1] "=r" (cptr1) : [sprn_texasr] "i" (SPRN_TEXASR) - : "memory", "r0", "r1", "r2", "r3", "r4", - "r8", "r9", "r10", "r11", "r31" + : "memory", "r0", "r8", "r31" ); /* There are 2 32bit instructions before tbegin. */ diff --git a/tools/testing/selftests/powerpc/ptrace/ptrace-tm-vsx.c b/tools/testing/selftests/powerpc/ptrace/ptrace-tm-vsx.c index b4081e2b22d5..17c23cabac3e 100644 --- a/tools/testing/selftests/powerpc/ptrace/ptrace-tm-vsx.c +++ b/tools/testing/selftests/powerpc/ptrace/ptrace-tm-vsx.c @@ -67,7 +67,7 @@ trans: : [res] "=r" (result), [texasr] "=r" (texasr) : [fp_load] "r" (fp_load), [fp_load_ckpt] "r" (fp_load_ckpt), [sprn_texasr] "i" (SPRN_TEXASR), [cptr1] "r" (&cptr[1]) - : "memory", "r0", "r1", "r2", "r3", "r4", + : "memory", "r0", "r1", "r3", "r4", "r7", "r8", "r9", "r10", "r11" ); diff --git a/tools/testing/selftests/powerpc/tm/.gitignore b/tools/testing/selftests/powerpc/tm/.gitignore index 241a4a4ee0e4..bb90d4b79524 100644 --- a/tools/testing/selftests/powerpc/tm/.gitignore +++ b/tools/testing/selftests/powerpc/tm/.gitignore @@ -13,3 +13,4 @@ tm-signal-context-chk-vmx tm-signal-context-chk-vsx tm-vmx-unavail tm-unavailable +tm-trap diff --git a/tools/testing/selftests/powerpc/tm/Makefile b/tools/testing/selftests/powerpc/tm/Makefile index 8ed6f8c57230..a23453943ad2 100644 --- a/tools/testing/selftests/powerpc/tm/Makefile +++ b/tools/testing/selftests/powerpc/tm/Makefile @@ -3,7 +3,7 @@ SIGNAL_CONTEXT_CHK_TESTS := tm-signal-context-chk-gpr tm-signal-context-chk-fpu tm-signal-context-chk-vmx tm-signal-context-chk-vsx TEST_GEN_PROGS := tm-resched-dscr tm-syscall tm-signal-msr-resv tm-signal-stack \ - tm-vmxcopy tm-fork tm-tar tm-tmspr tm-vmx-unavail tm-unavailable \ + tm-vmxcopy tm-fork tm-tar tm-tmspr tm-vmx-unavail tm-unavailable tm-trap \ $(SIGNAL_CONTEXT_CHK_TESTS) include ../../lib.mk @@ -18,6 +18,7 @@ $(OUTPUT)/tm-tmspr: CFLAGS += -pthread $(OUTPUT)/tm-vmx-unavail: CFLAGS += -pthread -m64 $(OUTPUT)/tm-resched-dscr: ../pmu/lib.o $(OUTPUT)/tm-unavailable: CFLAGS += -O0 -pthread -m64 -Wno-error=uninitialized -mvsx +$(OUTPUT)/tm-trap: CFLAGS += -O0 -pthread -m64 SIGNAL_CONTEXT_CHK_TESTS := $(patsubst %,$(OUTPUT)/%,$(SIGNAL_CONTEXT_CHK_TESTS)) $(SIGNAL_CONTEXT_CHK_TESTS): tm-signal.S diff --git a/tools/testing/selftests/powerpc/tm/tm-trap.c b/tools/testing/selftests/powerpc/tm/tm-trap.c new file mode 100644 index 000000000000..5d92c23ee6cb --- /dev/null +++ b/tools/testing/selftests/powerpc/tm/tm-trap.c @@ -0,0 +1,329 @@ +/* + * Copyright 2017, Gustavo Romero, IBM Corp. + * Licensed under GPLv2. + * + * Check if thread endianness is flipped inadvertently to BE on trap + * caught in TM whilst MSR.FP and MSR.VEC are zero (i.e. just after + * load_fp and load_vec overflowed). + * + * The issue can be checked on LE machines simply by zeroing load_fp + * and load_vec and then causing a trap in TM. Since the endianness + * changes to BE on return from the signal handler, 'nop' is + * thread as an illegal instruction in following sequence: + * tbegin. + * beq 1f + * trap + * tend. + * 1: nop + * + * However, although the issue is also present on BE machines, it's a + * bit trickier to check it on BE machines because MSR.LE bit is set + * to zero which determines a BE endianness that is the native + * endianness on BE machines, so nothing notably critical happens, + * i.e. no illegal instruction is observed immediately after returning + * from the signal handler (as it happens on LE machines). Thus to test + * it on BE machines LE endianness is forced after a first trap and then + * the endianness is verified on subsequent traps to determine if the + * endianness "flipped back" to the native endianness (BE). + */ + +#define _GNU_SOURCE +#include <error.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <htmintrin.h> +#include <inttypes.h> +#include <pthread.h> +#include <sched.h> +#include <signal.h> +#include <stdbool.h> + +#include "tm.h" +#include "utils.h" + +#define pr_error(error_code, format, ...) \ + error_at_line(1, error_code, __FILE__, __LINE__, format, ##__VA_ARGS__) + +#define MSR_LE 1UL +#define LE 1UL + +pthread_t t0_ping; +pthread_t t1_pong; + +int exit_from_pong; + +int trap_event; +int le; + +bool success; + +void trap_signal_handler(int signo, siginfo_t *si, void *uc) +{ + ucontext_t *ucp = uc; + uint64_t thread_endianness; + + /* Get thread endianness: extract bit LE from MSR */ + thread_endianness = MSR_LE & ucp->uc_mcontext.gp_regs[PT_MSR]; + + /*** + * Little-Endian Machine + */ + + if (le) { + /* First trap event */ + if (trap_event == 0) { + /* Do nothing. Since it is returning from this trap + * event that endianness is flipped by the bug, so just + * let the process return from the signal handler and + * check on the second trap event if endianness is + * flipped or not. + */ + } + /* Second trap event */ + else if (trap_event == 1) { + /* + * Since trap was caught in TM on first trap event, if + * endianness was still LE (not flipped inadvertently) + * after returning from the signal handler instruction + * (1) is executed (basically a 'nop'), as it's located + * at address of tbegin. +4 (rollback addr). As (1) on + * LE endianness does in effect nothing, instruction (2) + * is then executed again as 'trap', generating a second + * trap event (note that in that case 'trap' is caught + * not in transacional mode). On te other hand, if after + * the return from the signal handler the endianness in- + * advertently flipped, instruction (1) is tread as a + * branch instruction, i.e. b .+8, hence instruction (3) + * and (4) are executed (tbegin.; trap;) and we get sim- + * ilaly on the trap signal handler, but now in TM mode. + * Either way, it's now possible to check the MSR LE bit + * once in the trap handler to verify if endianness was + * flipped or not after the return from the second trap + * event. If endianness is flipped, the bug is present. + * Finally, getting a trap in TM mode or not is just + * worth noting because it affects the math to determine + * the offset added to the NIP on return: the NIP for a + * trap caught in TM is the rollback address, i.e. the + * next instruction after 'tbegin.', whilst the NIP for + * a trap caught in non-transactional mode is the very + * same address of the 'trap' instruction that generated + * the trap event. + */ + + if (thread_endianness == LE) { + /* Go to 'success', i.e. instruction (6) */ + ucp->uc_mcontext.gp_regs[PT_NIP] += 16; + } else { + /* + * Thread endianness is BE, so it flipped + * inadvertently. Thus we flip back to LE and + * set NIP to go to 'failure', instruction (5). + */ + ucp->uc_mcontext.gp_regs[PT_MSR] |= 1UL; + ucp->uc_mcontext.gp_regs[PT_NIP] += 4; + } + } + } + + /*** + * Big-Endian Machine + */ + + else { + /* First trap event */ + if (trap_event == 0) { + /* + * Force thread endianness to be LE. Instructions (1), + * (3), and (4) will be executed, generating a second + * trap in TM mode. + */ + ucp->uc_mcontext.gp_regs[PT_MSR] |= 1UL; + } + /* Second trap event */ + else if (trap_event == 1) { + /* + * Do nothing. If bug is present on return from this + * second trap event endianness will flip back "automat- + * ically" to BE, otherwise thread endianness will + * continue to be LE, just as it was set above. + */ + } + /* A third trap event */ + else { + /* + * Once here it means that after returning from the sec- + * ond trap event instruction (4) (trap) was executed + * as LE, generating a third trap event. In that case + * endianness is still LE as set on return from the + * first trap event, hence no bug. Otherwise, bug + * flipped back to BE on return from the second trap + * event and instruction (4) was executed as 'tdi' (so + * basically a 'nop') and branch to 'failure' in + * instruction (5) was taken to indicate failure and we + * never get here. + */ + + /* + * Flip back to BE and go to instruction (6), i.e. go to + * 'success'. + */ + ucp->uc_mcontext.gp_regs[PT_MSR] &= ~1UL; + ucp->uc_mcontext.gp_regs[PT_NIP] += 8; + } + } + + trap_event++; +} + +void usr1_signal_handler(int signo, siginfo_t *si, void *not_used) +{ + /* Got a USR1 signal from ping(), so just tell pong() to exit */ + exit_from_pong = 1; +} + +void *ping(void *not_used) +{ + uint64_t i; + + trap_event = 0; + + /* + * Wait an amount of context switches so load_fp and load_vec overflows + * and MSR_[FP|VEC|V] is 0. + */ + for (i = 0; i < 1024*1024*512; i++) + ; + + asm goto( + /* + * [NA] means "Native Endianness", i.e. it tells how a + * instruction is executed on machine's native endianness (in + * other words, native endianness matches kernel endianness). + * [OP] means "Opposite Endianness", i.e. on a BE machine, it + * tells how a instruction is executed as a LE instruction; con- + * versely, on a LE machine, it tells how a instruction is + * executed as a BE instruction. When [NA] is omitted, it means + * that the native interpretation of a given instruction is not + * relevant for the test. Likewise when [OP] is omitted. + */ + + " tbegin. ;" /* (0) tbegin. [NA] */ + " tdi 0, 0, 0x48;" /* (1) nop [NA]; b (3) [OP] */ + " trap ;" /* (2) trap [NA] */ + ".long 0x1D05007C;" /* (3) tbegin. [OP] */ + ".long 0x0800E07F;" /* (4) trap [OP]; nop [NA] */ + " b %l[failure] ;" /* (5) b [NA]; MSR.LE flipped (bug) */ + " b %l[success] ;" /* (6) b [NA]; MSR.LE did not flip (ok)*/ + + : : : : failure, success); + +failure: + success = false; + goto exit_from_ping; + +success: + success = true; + +exit_from_ping: + /* Tell pong() to exit before leaving */ + pthread_kill(t1_pong, SIGUSR1); + return NULL; +} + +void *pong(void *not_used) +{ + while (!exit_from_pong) + /* + * Induce context switches on ping() thread + * until ping() finishes its job and signs + * to exit from this loop. + */ + sched_yield(); + + return NULL; +} + +int tm_trap_test(void) +{ + uint16_t k = 1; + + int rc; + + pthread_attr_t attr; + cpu_set_t cpuset; + + struct sigaction trap_sa; + + trap_sa.sa_flags = SA_SIGINFO; + trap_sa.sa_sigaction = trap_signal_handler; + sigaction(SIGTRAP, &trap_sa, NULL); + + struct sigaction usr1_sa; + + usr1_sa.sa_flags = SA_SIGINFO; + usr1_sa.sa_sigaction = usr1_signal_handler; + sigaction(SIGUSR1, &usr1_sa, NULL); + + /* Set only CPU 0 in the mask. Both threads will be bound to cpu 0. */ + CPU_ZERO(&cpuset); + CPU_SET(0, &cpuset); + + /* Init pthread attribute */ + rc = pthread_attr_init(&attr); + if (rc) + pr_error(rc, "pthread_attr_init()"); + + /* + * Bind thread ping() and pong() both to CPU 0 so they ping-pong and + * speed up context switches on ping() thread, speeding up the load_fp + * and load_vec overflow. + */ + rc = pthread_attr_setaffinity_np(&attr, sizeof(cpu_set_t), &cpuset); + if (rc) + pr_error(rc, "pthread_attr_setaffinity()"); + + /* Figure out the machine endianness */ + le = (int) *(uint8_t *)&k; + + printf("%s machine detected. Checking if endianness flips %s", + le ? "Little-Endian" : "Big-Endian", + "inadvertently on trap in TM... "); + + rc = fflush(0); + if (rc) + pr_error(rc, "fflush()"); + + /* Launch ping() */ + rc = pthread_create(&t0_ping, &attr, ping, NULL); + if (rc) + pr_error(rc, "pthread_create()"); + + exit_from_pong = 0; + + /* Launch pong() */ + rc = pthread_create(&t1_pong, &attr, pong, NULL); + if (rc) + pr_error(rc, "pthread_create()"); + + rc = pthread_join(t0_ping, NULL); + if (rc) + pr_error(rc, "pthread_join()"); + + rc = pthread_join(t1_pong, NULL); + if (rc) + pr_error(rc, "pthread_join()"); + + if (success) { + printf("no.\n"); /* no, endianness did not flip inadvertently */ + return EXIT_SUCCESS; + } + + printf("yes!\n"); /* yes, endianness did flip inadvertently */ + return EXIT_FAILURE; +} + +int main(int argc, char **argv) +{ + return test_harness(tm_trap_test, "tm_trap_test"); +} diff --git a/tools/testing/selftests/powerpc/tm/tm-unavailable.c b/tools/testing/selftests/powerpc/tm/tm-unavailable.c index 96c37f84ce54..e6a0fad2bfd0 100644 --- a/tools/testing/selftests/powerpc/tm/tm-unavailable.c +++ b/tools/testing/selftests/powerpc/tm/tm-unavailable.c @@ -15,6 +15,7 @@ */ #define _GNU_SOURCE +#include <error.h> #include <stdio.h> #include <stdlib.h> #include <unistd.h> @@ -33,6 +34,11 @@ #define VSX_UNA_EXCEPTION 2 #define NUM_EXCEPTIONS 3 +#define err_at_line(status, errnum, format, ...) \ + error_at_line(status, errnum, __FILE__, __LINE__, format ##__VA_ARGS__) + +#define pr_warn(code, format, ...) err_at_line(0, code, format, ##__VA_ARGS__) +#define pr_err(code, format, ...) err_at_line(1, code, format, ##__VA_ARGS__) struct Flags { int touch_fp; @@ -303,10 +309,19 @@ void test_fp_vec(int fp, int vec, pthread_attr_t *attr) * checking if the failure cause is the one we expect. */ do { + int rc; + /* Bind 'ping' to CPU 0, as specified in 'attr'. */ - pthread_create(&t0, attr, ping, (void *) &flags); - pthread_setname_np(t0, "ping"); - pthread_join(t0, &ret_value); + rc = pthread_create(&t0, attr, ping, (void *) &flags); + if (rc) + pr_err(rc, "pthread_create()"); + rc = pthread_setname_np(t0, "ping"); + if (rc) + pr_warn(rc, "pthread_setname_np"); + rc = pthread_join(t0, &ret_value); + if (rc) + pr_err(rc, "pthread_join"); + retries--; } while (ret_value != NULL && retries); @@ -320,7 +335,7 @@ void test_fp_vec(int fp, int vec, pthread_attr_t *attr) int main(int argc, char **argv) { - int exception; /* FP = 0, VEC = 1, VSX = 2 */ + int rc, exception; /* FP = 0, VEC = 1, VSX = 2 */ pthread_t t1; pthread_attr_t attr; cpu_set_t cpuset; @@ -330,13 +345,23 @@ int main(int argc, char **argv) CPU_SET(0, &cpuset); /* Init pthread attribute. */ - pthread_attr_init(&attr); + rc = pthread_attr_init(&attr); + if (rc) + pr_err(rc, "pthread_attr_init()"); /* Set CPU 0 mask into the pthread attribute. */ - pthread_attr_setaffinity_np(&attr, sizeof(cpu_set_t), &cpuset); - - pthread_create(&t1, &attr /* Bind 'pong' to CPU 0 */, pong, NULL); - pthread_setname_np(t1, "pong"); /* Name it for systemtap convenience */ + rc = pthread_attr_setaffinity_np(&attr, sizeof(cpu_set_t), &cpuset); + if (rc) + pr_err(rc, "pthread_attr_setaffinity_np()"); + + rc = pthread_create(&t1, &attr /* Bind 'pong' to CPU 0 */, pong, NULL); + if (rc) + pr_err(rc, "pthread_create()"); + + /* Name it for systemtap convenience */ + rc = pthread_setname_np(t1, "pong"); + if (rc) + pr_warn(rc, "pthread_create()"); flags.result = 0; diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c index 24dbf634e2dd..0b457e8e0f0c 100644 --- a/tools/testing/selftests/seccomp/seccomp_bpf.c +++ b/tools/testing/selftests/seccomp/seccomp_bpf.c @@ -1717,7 +1717,7 @@ void tracer_ptrace(struct __test_metadata *_metadata, pid_t tracee, if (nr == __NR_getpid) change_syscall(_metadata, tracee, __NR_getppid); - if (nr == __NR_open) + if (nr == __NR_openat) change_syscall(_metadata, tracee, -1); } @@ -1792,7 +1792,7 @@ TEST_F(TRACE_syscall, ptrace_syscall_dropped) true); /* Tracer should skip the open syscall, resulting in EPERM. */ - EXPECT_SYSCALL_RETURN(EPERM, syscall(__NR_open)); + EXPECT_SYSCALL_RETURN(EPERM, syscall(__NR_openat)); } TEST_F(TRACE_syscall, syscall_allowed) diff --git a/tools/testing/selftests/vm/.gitignore b/tools/testing/selftests/vm/.gitignore index 1ca2ee4d15b9..63c94d776e89 100644 --- a/tools/testing/selftests/vm/.gitignore +++ b/tools/testing/selftests/vm/.gitignore @@ -10,3 +10,4 @@ userfaultfd mlock-intersect-test mlock-random-test virtual_address_range +gup_benchmark diff --git a/tools/testing/selftests/vm/Makefile b/tools/testing/selftests/vm/Makefile index 7f45806bd863..fdefa2295ddc 100644 --- a/tools/testing/selftests/vm/Makefile +++ b/tools/testing/selftests/vm/Makefile @@ -8,17 +8,18 @@ endif CFLAGS = -Wall -I ../../../../usr/include $(EXTRA_CFLAGS) LDLIBS = -lrt TEST_GEN_FILES = compaction_test +TEST_GEN_FILES += gup_benchmark TEST_GEN_FILES += hugepage-mmap TEST_GEN_FILES += hugepage-shm TEST_GEN_FILES += map_hugetlb +TEST_GEN_FILES += mlock-random-test TEST_GEN_FILES += mlock2-tests TEST_GEN_FILES += on-fault-limit TEST_GEN_FILES += thuge-gen TEST_GEN_FILES += transhuge-stress TEST_GEN_FILES += userfaultfd -TEST_GEN_FILES += mlock-random-test +TEST_GEN_FILES += va_128TBswitch TEST_GEN_FILES += virtual_address_range -TEST_GEN_FILES += gup_benchmark TEST_PROGS := run_vmtests diff --git a/tools/testing/selftests/vm/compaction_test.c b/tools/testing/selftests/vm/compaction_test.c index a65b016d4c13..1097f04e4d80 100644 --- a/tools/testing/selftests/vm/compaction_test.c +++ b/tools/testing/selftests/vm/compaction_test.c @@ -137,6 +137,8 @@ int check_compaction(unsigned long mem_free, unsigned int hugepage_size) printf("No of huge pages allocated = %d\n", (atoi(nr_hugepages))); + lseek(fd, 0, SEEK_SET); + if (write(fd, initial_nr_hugepages, strlen(initial_nr_hugepages)) != strlen(initial_nr_hugepages)) { perror("Failed to write value to /proc/sys/vm/nr_hugepages\n"); diff --git a/tools/testing/selftests/vm/run_vmtests b/tools/testing/selftests/vm/run_vmtests index cc826326de87..d2561895a021 100755 --- a/tools/testing/selftests/vm/run_vmtests +++ b/tools/testing/selftests/vm/run_vmtests @@ -177,4 +177,15 @@ else echo "[PASS]" fi +echo "-----------------------------" +echo "running virtual address 128TB switch test" +echo "-----------------------------" +./va_128TBswitch +if [ $? -ne 0 ]; then + echo "[FAIL]" + exitcode=1 +else + echo "[PASS]" +fi + exit $exitcode diff --git a/tools/testing/selftests/vm/va_128TBswitch.c b/tools/testing/selftests/vm/va_128TBswitch.c new file mode 100644 index 000000000000..e7fe734c374f --- /dev/null +++ b/tools/testing/selftests/vm/va_128TBswitch.c @@ -0,0 +1,297 @@ +/* + * + * Authors: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> + * Authors: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, version 2, as + * published by the Free Software Foundation. + + * This program is distributed in the hope that it would be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * + */ + +#include <stdio.h> +#include <sys/mman.h> +#include <string.h> + +#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) + +#ifdef __powerpc64__ +#define PAGE_SIZE (64 << 10) +/* + * This will work with 16M and 2M hugepage size + */ +#define HUGETLB_SIZE (16 << 20) +#else +#define PAGE_SIZE (4 << 10) +#define HUGETLB_SIZE (2 << 20) +#endif + +/* + * >= 128TB is the hint addr value we used to select + * large address space. + */ +#define ADDR_SWITCH_HINT (1UL << 47) +#define LOW_ADDR ((void *) (1UL << 30)) +#define HIGH_ADDR ((void *) (1UL << 48)) + +struct testcase { + void *addr; + unsigned long size; + unsigned long flags; + const char *msg; + unsigned int low_addr_required:1; + unsigned int keep_mapped:1; +}; + +static struct testcase testcases[] = { + { + /* + * If stack is moved, we could possibly allocate + * this at the requested address. + */ + .addr = ((void *)(ADDR_SWITCH_HINT - PAGE_SIZE)), + .size = PAGE_SIZE, + .flags = MAP_PRIVATE | MAP_ANONYMOUS, + .msg = "mmap(ADDR_SWITCH_HINT - PAGE_SIZE, PAGE_SIZE)", + .low_addr_required = 1, + }, + { + /* + * We should never allocate at the requested address or above it + * The len cross the 128TB boundary. Without MAP_FIXED + * we will always search in the lower address space. + */ + .addr = ((void *)(ADDR_SWITCH_HINT - PAGE_SIZE)), + .size = 2 * PAGE_SIZE, + .flags = MAP_PRIVATE | MAP_ANONYMOUS, + .msg = "mmap(ADDR_SWITCH_HINT - PAGE_SIZE, (2 * PAGE_SIZE))", + .low_addr_required = 1, + }, + { + /* + * Exact mapping at 128TB, the area is free we should get that + * even without MAP_FIXED. + */ + .addr = ((void *)(ADDR_SWITCH_HINT)), + .size = PAGE_SIZE, + .flags = MAP_PRIVATE | MAP_ANONYMOUS, + .msg = "mmap(ADDR_SWITCH_HINT, PAGE_SIZE)", + .keep_mapped = 1, + }, + { + .addr = (void *)(ADDR_SWITCH_HINT), + .size = 2 * PAGE_SIZE, + .flags = MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, + .msg = "mmap(ADDR_SWITCH_HINT, 2 * PAGE_SIZE, MAP_FIXED)", + }, + { + .addr = NULL, + .size = 2 * PAGE_SIZE, + .flags = MAP_PRIVATE | MAP_ANONYMOUS, + .msg = "mmap(NULL)", + .low_addr_required = 1, + }, + { + .addr = LOW_ADDR, + .size = 2 * PAGE_SIZE, + .flags = MAP_PRIVATE | MAP_ANONYMOUS, + .msg = "mmap(LOW_ADDR)", + .low_addr_required = 1, + }, + { + .addr = HIGH_ADDR, + .size = 2 * PAGE_SIZE, + .flags = MAP_PRIVATE | MAP_ANONYMOUS, + .msg = "mmap(HIGH_ADDR)", + .keep_mapped = 1, + }, + { + .addr = HIGH_ADDR, + .size = 2 * PAGE_SIZE, + .flags = MAP_PRIVATE | MAP_ANONYMOUS, + .msg = "mmap(HIGH_ADDR) again", + .keep_mapped = 1, + }, + { + .addr = HIGH_ADDR, + .size = 2 * PAGE_SIZE, + .flags = MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, + .msg = "mmap(HIGH_ADDR, MAP_FIXED)", + }, + { + .addr = (void *) -1, + .size = 2 * PAGE_SIZE, + .flags = MAP_PRIVATE | MAP_ANONYMOUS, + .msg = "mmap(-1)", + .keep_mapped = 1, + }, + { + .addr = (void *) -1, + .size = 2 * PAGE_SIZE, + .flags = MAP_PRIVATE | MAP_ANONYMOUS, + .msg = "mmap(-1) again", + }, + { + .addr = ((void *)(ADDR_SWITCH_HINT - PAGE_SIZE)), + .size = PAGE_SIZE, + .flags = MAP_PRIVATE | MAP_ANONYMOUS, + .msg = "mmap(ADDR_SWITCH_HINT - PAGE_SIZE, PAGE_SIZE)", + .low_addr_required = 1, + }, + { + .addr = (void *)(ADDR_SWITCH_HINT - PAGE_SIZE), + .size = 2 * PAGE_SIZE, + .flags = MAP_PRIVATE | MAP_ANONYMOUS, + .msg = "mmap(ADDR_SWITCH_HINT - PAGE_SIZE, 2 * PAGE_SIZE)", + .low_addr_required = 1, + .keep_mapped = 1, + }, + { + .addr = (void *)(ADDR_SWITCH_HINT - PAGE_SIZE / 2), + .size = 2 * PAGE_SIZE, + .flags = MAP_PRIVATE | MAP_ANONYMOUS, + .msg = "mmap(ADDR_SWITCH_HINT - PAGE_SIZE/2 , 2 * PAGE_SIZE)", + .low_addr_required = 1, + .keep_mapped = 1, + }, + { + .addr = ((void *)(ADDR_SWITCH_HINT)), + .size = PAGE_SIZE, + .flags = MAP_PRIVATE | MAP_ANONYMOUS, + .msg = "mmap(ADDR_SWITCH_HINT, PAGE_SIZE)", + }, + { + .addr = (void *)(ADDR_SWITCH_HINT), + .size = 2 * PAGE_SIZE, + .flags = MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, + .msg = "mmap(ADDR_SWITCH_HINT, 2 * PAGE_SIZE, MAP_FIXED)", + }, +}; + +static struct testcase hugetlb_testcases[] = { + { + .addr = NULL, + .size = HUGETLB_SIZE, + .flags = MAP_HUGETLB | MAP_PRIVATE | MAP_ANONYMOUS, + .msg = "mmap(NULL, MAP_HUGETLB)", + .low_addr_required = 1, + }, + { + .addr = LOW_ADDR, + .size = HUGETLB_SIZE, + .flags = MAP_HUGETLB | MAP_PRIVATE | MAP_ANONYMOUS, + .msg = "mmap(LOW_ADDR, MAP_HUGETLB)", + .low_addr_required = 1, + }, + { + .addr = HIGH_ADDR, + .size = HUGETLB_SIZE, + .flags = MAP_HUGETLB | MAP_PRIVATE | MAP_ANONYMOUS, + .msg = "mmap(HIGH_ADDR, MAP_HUGETLB)", + .keep_mapped = 1, + }, + { + .addr = HIGH_ADDR, + .size = HUGETLB_SIZE, + .flags = MAP_HUGETLB | MAP_PRIVATE | MAP_ANONYMOUS, + .msg = "mmap(HIGH_ADDR, MAP_HUGETLB) again", + .keep_mapped = 1, + }, + { + .addr = HIGH_ADDR, + .size = HUGETLB_SIZE, + .flags = MAP_HUGETLB | MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, + .msg = "mmap(HIGH_ADDR, MAP_FIXED | MAP_HUGETLB)", + }, + { + .addr = (void *) -1, + .size = HUGETLB_SIZE, + .flags = MAP_HUGETLB | MAP_PRIVATE | MAP_ANONYMOUS, + .msg = "mmap(-1, MAP_HUGETLB)", + .keep_mapped = 1, + }, + { + .addr = (void *) -1, + .size = HUGETLB_SIZE, + .flags = MAP_HUGETLB | MAP_PRIVATE | MAP_ANONYMOUS, + .msg = "mmap(-1, MAP_HUGETLB) again", + }, + { + .addr = (void *)(ADDR_SWITCH_HINT - PAGE_SIZE), + .size = 2 * HUGETLB_SIZE, + .flags = MAP_HUGETLB | MAP_PRIVATE | MAP_ANONYMOUS, + .msg = "mmap(ADDR_SWITCH_HINT - PAGE_SIZE, 2*HUGETLB_SIZE, MAP_HUGETLB)", + .low_addr_required = 1, + .keep_mapped = 1, + }, + { + .addr = (void *)(ADDR_SWITCH_HINT), + .size = 2 * HUGETLB_SIZE, + .flags = MAP_HUGETLB | MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, + .msg = "mmap(ADDR_SWITCH_HINT , 2*HUGETLB_SIZE, MAP_FIXED | MAP_HUGETLB)", + }, +}; + +static int run_test(struct testcase *test, int count) +{ + void *p; + int i, ret = 0; + + for (i = 0; i < count; i++) { + struct testcase *t = test + i; + + p = mmap(t->addr, t->size, PROT_READ | PROT_WRITE, t->flags, -1, 0); + + printf("%s: %p - ", t->msg, p); + + if (p == MAP_FAILED) { + printf("FAILED\n"); + ret = 1; + continue; + } + + if (t->low_addr_required && p >= (void *)(ADDR_SWITCH_HINT)) { + printf("FAILED\n"); + ret = 1; + } else { + /* + * Do a dereference of the address returned so that we catch + * bugs in page fault handling + */ + memset(p, 0, t->size); + printf("OK\n"); + } + if (!t->keep_mapped) + munmap(p, t->size); + } + + return ret; +} + +static int supported_arch(void) +{ +#if defined(__powerpc64__) + return 1; +#elif defined(__x86_64__) + return 1; +#else + return 0; +#endif +} + +int main(int argc, char **argv) +{ + int ret; + + if (!supported_arch()) + return 0; + + ret = run_test(testcases, ARRAY_SIZE(testcases)); + if (argc == 2 && !strcmp(argv[1], "--run-hugetlb")) + ret = run_test(hugetlb_testcases, ARRAY_SIZE(hugetlb_testcases)); + return ret; +} diff --git a/tools/testing/selftests/x86/5lvl.c b/tools/testing/selftests/x86/5lvl.c deleted file mode 100644 index 2eafdcd4c2b3..000000000000 --- a/tools/testing/selftests/x86/5lvl.c +++ /dev/null @@ -1,177 +0,0 @@ -#include <stdio.h> -#include <sys/mman.h> - -#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) - -#define PAGE_SIZE 4096 -#define LOW_ADDR ((void *) (1UL << 30)) -#define HIGH_ADDR ((void *) (1UL << 50)) - -struct testcase { - void *addr; - unsigned long size; - unsigned long flags; - const char *msg; - unsigned int low_addr_required:1; - unsigned int keep_mapped:1; -}; - -static struct testcase testcases[] = { - { - .addr = NULL, - .size = 2 * PAGE_SIZE, - .flags = MAP_PRIVATE | MAP_ANONYMOUS, - .msg = "mmap(NULL)", - .low_addr_required = 1, - }, - { - .addr = LOW_ADDR, - .size = 2 * PAGE_SIZE, - .flags = MAP_PRIVATE | MAP_ANONYMOUS, - .msg = "mmap(LOW_ADDR)", - .low_addr_required = 1, - }, - { - .addr = HIGH_ADDR, - .size = 2 * PAGE_SIZE, - .flags = MAP_PRIVATE | MAP_ANONYMOUS, - .msg = "mmap(HIGH_ADDR)", - .keep_mapped = 1, - }, - { - .addr = HIGH_ADDR, - .size = 2 * PAGE_SIZE, - .flags = MAP_PRIVATE | MAP_ANONYMOUS, - .msg = "mmap(HIGH_ADDR) again", - .keep_mapped = 1, - }, - { - .addr = HIGH_ADDR, - .size = 2 * PAGE_SIZE, - .flags = MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, - .msg = "mmap(HIGH_ADDR, MAP_FIXED)", - }, - { - .addr = (void*) -1, - .size = 2 * PAGE_SIZE, - .flags = MAP_PRIVATE | MAP_ANONYMOUS, - .msg = "mmap(-1)", - .keep_mapped = 1, - }, - { - .addr = (void*) -1, - .size = 2 * PAGE_SIZE, - .flags = MAP_PRIVATE | MAP_ANONYMOUS, - .msg = "mmap(-1) again", - }, - { - .addr = (void *)((1UL << 47) - PAGE_SIZE), - .size = 2 * PAGE_SIZE, - .flags = MAP_PRIVATE | MAP_ANONYMOUS, - .msg = "mmap((1UL << 47), 2 * PAGE_SIZE)", - .low_addr_required = 1, - .keep_mapped = 1, - }, - { - .addr = (void *)((1UL << 47) - PAGE_SIZE / 2), - .size = 2 * PAGE_SIZE, - .flags = MAP_PRIVATE | MAP_ANONYMOUS, - .msg = "mmap((1UL << 47), 2 * PAGE_SIZE / 2)", - .low_addr_required = 1, - .keep_mapped = 1, - }, - { - .addr = (void *)((1UL << 47) - PAGE_SIZE), - .size = 2 * PAGE_SIZE, - .flags = MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, - .msg = "mmap((1UL << 47) - PAGE_SIZE, 2 * PAGE_SIZE, MAP_FIXED)", - }, - { - .addr = NULL, - .size = 2UL << 20, - .flags = MAP_HUGETLB | MAP_PRIVATE | MAP_ANONYMOUS, - .msg = "mmap(NULL, MAP_HUGETLB)", - .low_addr_required = 1, - }, - { - .addr = LOW_ADDR, - .size = 2UL << 20, - .flags = MAP_HUGETLB | MAP_PRIVATE | MAP_ANONYMOUS, - .msg = "mmap(LOW_ADDR, MAP_HUGETLB)", - .low_addr_required = 1, - }, - { - .addr = HIGH_ADDR, - .size = 2UL << 20, - .flags = MAP_HUGETLB | MAP_PRIVATE | MAP_ANONYMOUS, - .msg = "mmap(HIGH_ADDR, MAP_HUGETLB)", - .keep_mapped = 1, - }, - { - .addr = HIGH_ADDR, - .size = 2UL << 20, - .flags = MAP_HUGETLB | MAP_PRIVATE | MAP_ANONYMOUS, - .msg = "mmap(HIGH_ADDR, MAP_HUGETLB) again", - .keep_mapped = 1, - }, - { - .addr = HIGH_ADDR, - .size = 2UL << 20, - .flags = MAP_HUGETLB | MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, - .msg = "mmap(HIGH_ADDR, MAP_FIXED | MAP_HUGETLB)", - }, - { - .addr = (void*) -1, - .size = 2UL << 20, - .flags = MAP_HUGETLB | MAP_PRIVATE | MAP_ANONYMOUS, - .msg = "mmap(-1, MAP_HUGETLB)", - .keep_mapped = 1, - }, - { - .addr = (void*) -1, - .size = 2UL << 20, - .flags = MAP_HUGETLB | MAP_PRIVATE | MAP_ANONYMOUS, - .msg = "mmap(-1, MAP_HUGETLB) again", - }, - { - .addr = (void *)((1UL << 47) - PAGE_SIZE), - .size = 4UL << 20, - .flags = MAP_HUGETLB | MAP_PRIVATE | MAP_ANONYMOUS, - .msg = "mmap((1UL << 47), 4UL << 20, MAP_HUGETLB)", - .low_addr_required = 1, - .keep_mapped = 1, - }, - { - .addr = (void *)((1UL << 47) - (2UL << 20)), - .size = 4UL << 20, - .flags = MAP_HUGETLB | MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, - .msg = "mmap((1UL << 47) - (2UL << 20), 4UL << 20, MAP_FIXED | MAP_HUGETLB)", - }, -}; - -int main(int argc, char **argv) -{ - int i; - void *p; - - for (i = 0; i < ARRAY_SIZE(testcases); i++) { - struct testcase *t = testcases + i; - - p = mmap(t->addr, t->size, PROT_NONE, t->flags, -1, 0); - - printf("%s: %p - ", t->msg, p); - - if (p == MAP_FAILED) { - printf("FAILED\n"); - continue; - } - - if (t->low_addr_required && p >= (void *)(1UL << 47)) - printf("FAILED\n"); - else - printf("OK\n"); - if (!t->keep_mapped) - munmap(p, t->size); - } - return 0; -} diff --git a/tools/testing/selftests/x86/Makefile b/tools/testing/selftests/x86/Makefile index 5d4f10ac2af2..10ca46df1449 100644 --- a/tools/testing/selftests/x86/Makefile +++ b/tools/testing/selftests/x86/Makefile @@ -27,14 +27,26 @@ UNAME_M := $(shell uname -m) CAN_BUILD_I386 := $(shell ./check_cc.sh $(CC) trivial_32bit_program.c -m32) CAN_BUILD_X86_64 := $(shell ./check_cc.sh $(CC) trivial_64bit_program.c) +define gen-target-rule-32 +$(1) $(1)_32: $(OUTPUT)/$(1)_32 +.PHONY: $(1) $(1)_32 +endef + +define gen-target-rule-64 +$(1) $(1)_64: $(OUTPUT)/$(1)_64 +.PHONY: $(1) $(1)_64 +endef + ifeq ($(CAN_BUILD_I386),1) all: all_32 TEST_PROGS += $(BINARIES_32) +$(foreach t,$(TARGETS_C_32BIT_ALL),$(eval $(call gen-target-rule-32,$(t)))) endif ifeq ($(CAN_BUILD_X86_64),1) all: all_64 TEST_PROGS += $(BINARIES_64) +$(foreach t,$(TARGETS_C_64BIT_ALL),$(eval $(call gen-target-rule-64,$(t)))) endif all_32: $(BINARIES_32) |