diff options
Diffstat (limited to 'tools/testing/nvdimm/test/nfit.c')
| -rw-r--r-- | tools/testing/nvdimm/test/nfit.c | 285 |
1 files changed, 222 insertions, 63 deletions
diff --git a/tools/testing/nvdimm/test/nfit.c b/tools/testing/nvdimm/test/nfit.c index b3281dcd4a5d..3187322eeed7 100644 --- a/tools/testing/nvdimm/test/nfit.c +++ b/tools/testing/nvdimm/test/nfit.c @@ -151,6 +151,11 @@ struct nfit_test { int (*alloc)(struct nfit_test *t); void (*setup)(struct nfit_test *t); int setup_hotplug; + struct ars_state { + struct nd_cmd_ars_status *ars_status; + unsigned long deadline; + spinlock_t lock; + } ars_state; }; static struct nfit_test *to_nfit_test(struct device *dev) @@ -218,6 +223,7 @@ static int nfit_test_cmd_set_config_data(struct nd_cmd_set_config_hdr *nd_cmd, } #define NFIT_TEST_ARS_RECORDS 4 +#define NFIT_TEST_CLEAR_ERR_UNIT 256 static int nfit_test_cmd_ars_cap(struct nd_cmd_ars_cap *nd_cmd, unsigned int buf_len) @@ -228,44 +234,113 @@ static int nfit_test_cmd_ars_cap(struct nd_cmd_ars_cap *nd_cmd, nd_cmd->max_ars_out = sizeof(struct nd_cmd_ars_status) + NFIT_TEST_ARS_RECORDS * sizeof(struct nd_ars_record); nd_cmd->status = (ND_ARS_PERSISTENT | ND_ARS_VOLATILE) << 16; + nd_cmd->clear_err_unit = NFIT_TEST_CLEAR_ERR_UNIT; return 0; } -static int nfit_test_cmd_ars_start(struct nd_cmd_ars_start *nd_cmd, - unsigned int buf_len) +/* + * Initialize the ars_state to return an ars_result 1 second in the future with + * a 4K error range in the middle of the requested address range. + */ +static void post_ars_status(struct ars_state *ars_state, u64 addr, u64 len) { - if (buf_len < sizeof(*nd_cmd)) + struct nd_cmd_ars_status *ars_status; + struct nd_ars_record *ars_record; + + ars_state->deadline = jiffies + 1*HZ; + ars_status = ars_state->ars_status; + ars_status->status = 0; + ars_status->out_length = sizeof(struct nd_cmd_ars_status) + + sizeof(struct nd_ars_record); + ars_status->address = addr; + ars_status->length = len; + ars_status->type = ND_ARS_PERSISTENT; + ars_status->num_records = 1; + ars_record = &ars_status->records[0]; + ars_record->handle = 0; + ars_record->err_address = addr + len / 2; + ars_record->length = SZ_4K; +} + +static int nfit_test_cmd_ars_start(struct ars_state *ars_state, + struct nd_cmd_ars_start *ars_start, unsigned int buf_len, + int *cmd_rc) +{ + if (buf_len < sizeof(*ars_start)) return -EINVAL; - nd_cmd->status = 0; + spin_lock(&ars_state->lock); + if (time_before(jiffies, ars_state->deadline)) { + ars_start->status = NFIT_ARS_START_BUSY; + *cmd_rc = -EBUSY; + } else { + ars_start->status = 0; + ars_start->scrub_time = 1; + post_ars_status(ars_state, ars_start->address, + ars_start->length); + *cmd_rc = 0; + } + spin_unlock(&ars_state->lock); return 0; } -static int nfit_test_cmd_ars_status(struct nd_cmd_ars_status *nd_cmd, - unsigned int buf_len) +static int nfit_test_cmd_ars_status(struct ars_state *ars_state, + struct nd_cmd_ars_status *ars_status, unsigned int buf_len, + int *cmd_rc) { - if (buf_len < sizeof(*nd_cmd)) + if (buf_len < ars_state->ars_status->out_length) return -EINVAL; - nd_cmd->out_length = sizeof(struct nd_cmd_ars_status); - /* TODO: emit error records */ - nd_cmd->num_records = 0; - nd_cmd->address = 0; - nd_cmd->length = -1ULL; - nd_cmd->status = 0; + spin_lock(&ars_state->lock); + if (time_before(jiffies, ars_state->deadline)) { + memset(ars_status, 0, buf_len); + ars_status->status = NFIT_ARS_STATUS_BUSY; + ars_status->out_length = sizeof(*ars_status); + *cmd_rc = -EBUSY; + } else { + memcpy(ars_status, ars_state->ars_status, + ars_state->ars_status->out_length); + *cmd_rc = 0; + } + spin_unlock(&ars_state->lock); + return 0; +} +static int nfit_test_cmd_clear_error(struct nd_cmd_clear_error *clear_err, + unsigned int buf_len, int *cmd_rc) +{ + const u64 mask = NFIT_TEST_CLEAR_ERR_UNIT - 1; + if (buf_len < sizeof(*clear_err)) + return -EINVAL; + + if ((clear_err->address & mask) || (clear_err->length & mask)) + return -EINVAL; + + /* + * Report 'all clear' success for all commands even though a new + * scrub will find errors again. This is enough to have the + * error removed from the 'badblocks' tracking in the pmem + * driver. + */ + clear_err->status = 0; + clear_err->cleared = clear_err->length; + *cmd_rc = 0; return 0; } static int nfit_test_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm, unsigned int cmd, void *buf, - unsigned int buf_len) + unsigned int buf_len, int *cmd_rc) { struct acpi_nfit_desc *acpi_desc = to_acpi_desc(nd_desc); struct nfit_test *t = container_of(acpi_desc, typeof(*t), acpi_desc); - int i, rc = 0; + int i, rc = 0, __cmd_rc; + + if (!cmd_rc) + cmd_rc = &__cmd_rc; + *cmd_rc = 0; if (nvdimm) { struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm); @@ -297,6 +372,8 @@ static int nfit_test_ctl(struct nvdimm_bus_descriptor *nd_desc, return -ENOTTY; } } else { + struct ars_state *ars_state = &t->ars_state; + if (!nd_desc || !test_bit(cmd, &nd_desc->dsm_mask)) return -ENOTTY; @@ -305,10 +382,15 @@ static int nfit_test_ctl(struct nvdimm_bus_descriptor *nd_desc, rc = nfit_test_cmd_ars_cap(buf, buf_len); break; case ND_CMD_ARS_START: - rc = nfit_test_cmd_ars_start(buf, buf_len); + rc = nfit_test_cmd_ars_start(ars_state, buf, buf_len, + cmd_rc); break; case ND_CMD_ARS_STATUS: - rc = nfit_test_cmd_ars_status(buf, buf_len); + rc = nfit_test_cmd_ars_status(ars_state, buf, buf_len, + cmd_rc); + break; + case ND_CMD_CLEAR_ERROR: + rc = nfit_test_cmd_clear_error(buf, buf_len, cmd_rc); break; default: return -ENOTTY; @@ -424,11 +506,25 @@ static struct nfit_test_resource *nfit_test_lookup(resource_size_t addr) return NULL; } +static int ars_state_init(struct device *dev, struct ars_state *ars_state) +{ + ars_state->ars_status = devm_kzalloc(dev, + sizeof(struct nd_cmd_ars_status) + + sizeof(struct nd_ars_record) * NFIT_TEST_ARS_RECORDS, + GFP_KERNEL); + if (!ars_state->ars_status) + return -ENOMEM; + spin_lock_init(&ars_state->lock); + return 0; +} + static int nfit_test0_alloc(struct nfit_test *t) { size_t nfit_size = sizeof(struct acpi_nfit_system_address) * NUM_SPA + sizeof(struct acpi_nfit_memory_map) * NUM_MEM + sizeof(struct acpi_nfit_control_region) * NUM_DCR + + offsetof(struct acpi_nfit_control_region, + window_size) * NUM_DCR + sizeof(struct acpi_nfit_data_region) * NUM_BDW + sizeof(struct acpi_nfit_flush_address) * NUM_DCR; int i; @@ -471,14 +567,14 @@ static int nfit_test0_alloc(struct nfit_test *t) return -ENOMEM; } - return 0; + return ars_state_init(&t->pdev.dev, &t->ars_state); } static int nfit_test1_alloc(struct nfit_test *t) { size_t nfit_size = sizeof(struct acpi_nfit_system_address) + sizeof(struct acpi_nfit_memory_map) - + sizeof(struct acpi_nfit_control_region); + + offsetof(struct acpi_nfit_control_region, window_size); t->nfit_buf = test_alloc(t, nfit_size, &t->nfit_dma); if (!t->nfit_buf) @@ -489,12 +585,11 @@ static int nfit_test1_alloc(struct nfit_test *t) if (!t->spa_set[0]) return -ENOMEM; - return 0; + return ars_state_init(&t->pdev.dev, &t->ars_state); } static void nfit_test0_setup(struct nfit_test *t) { - struct nvdimm_bus_descriptor *nd_desc; struct acpi_nfit_desc *acpi_desc; struct acpi_nfit_memory_map *memdev; void *nfit_buf = t->nfit_buf; @@ -611,7 +706,7 @@ static void nfit_test0_setup(struct nfit_test *t) memdev->physical_id = 0; memdev->region_id = 0; memdev->range_index = 0+1; - memdev->region_index = 0+1; + memdev->region_index = 4+1; memdev->region_size = SPA0_SIZE/2; memdev->region_offset = t->spa_set_dma[0]; memdev->address = 0; @@ -626,7 +721,7 @@ static void nfit_test0_setup(struct nfit_test *t) memdev->physical_id = 1; memdev->region_id = 0; memdev->range_index = 0+1; - memdev->region_index = 1+1; + memdev->region_index = 5+1; memdev->region_size = SPA0_SIZE/2; memdev->region_offset = t->spa_set_dma[0] + SPA0_SIZE/2; memdev->address = 0; @@ -641,7 +736,7 @@ static void nfit_test0_setup(struct nfit_test *t) memdev->physical_id = 0; memdev->region_id = 1; memdev->range_index = 1+1; - memdev->region_index = 0+1; + memdev->region_index = 4+1; memdev->region_size = SPA1_SIZE/4; memdev->region_offset = t->spa_set_dma[1]; memdev->address = SPA0_SIZE/2; @@ -656,7 +751,7 @@ static void nfit_test0_setup(struct nfit_test *t) memdev->physical_id = 1; memdev->region_id = 1; memdev->range_index = 1+1; - memdev->region_index = 1+1; + memdev->region_index = 5+1; memdev->region_size = SPA1_SIZE/4; memdev->region_offset = t->spa_set_dma[1] + SPA1_SIZE/4; memdev->address = SPA0_SIZE/2; @@ -671,7 +766,7 @@ static void nfit_test0_setup(struct nfit_test *t) memdev->physical_id = 2; memdev->region_id = 0; memdev->range_index = 1+1; - memdev->region_index = 2+1; + memdev->region_index = 6+1; memdev->region_size = SPA1_SIZE/4; memdev->region_offset = t->spa_set_dma[1] + 2*SPA1_SIZE/4; memdev->address = SPA0_SIZE/2; @@ -686,7 +781,7 @@ static void nfit_test0_setup(struct nfit_test *t) memdev->physical_id = 3; memdev->region_id = 0; memdev->range_index = 1+1; - memdev->region_index = 3+1; + memdev->region_index = 7+1; memdev->region_size = SPA1_SIZE/4; memdev->region_offset = t->spa_set_dma[1] + 3*SPA1_SIZE/4; memdev->address = SPA0_SIZE/2; @@ -814,7 +909,7 @@ static void nfit_test0_setup(struct nfit_test *t) memdev->interleave_ways = 1; offset = offset + sizeof(struct acpi_nfit_memory_map) * 14; - /* dcr-descriptor0 */ + /* dcr-descriptor0: blk */ dcr = nfit_buf + offset; dcr->header.type = ACPI_NFIT_TYPE_CONTROL_REGION; dcr->header.length = sizeof(struct acpi_nfit_control_region); @@ -823,6 +918,7 @@ static void nfit_test0_setup(struct nfit_test *t) dcr->device_id = 0; dcr->revision_id = 1; dcr->serial_number = ~handle[0]; + dcr->code = NFIT_FIC_BLK; dcr->windows = 1; dcr->window_size = DCR_SIZE; dcr->command_offset = 0; @@ -830,7 +926,7 @@ static void nfit_test0_setup(struct nfit_test *t) dcr->status_offset = 8; dcr->status_size = 4; - /* dcr-descriptor1 */ + /* dcr-descriptor1: blk */ dcr = nfit_buf + offset + sizeof(struct acpi_nfit_control_region); dcr->header.type = ACPI_NFIT_TYPE_CONTROL_REGION; dcr->header.length = sizeof(struct acpi_nfit_control_region); @@ -839,6 +935,7 @@ static void nfit_test0_setup(struct nfit_test *t) dcr->device_id = 0; dcr->revision_id = 1; dcr->serial_number = ~handle[1]; + dcr->code = NFIT_FIC_BLK; dcr->windows = 1; dcr->window_size = DCR_SIZE; dcr->command_offset = 0; @@ -846,7 +943,7 @@ static void nfit_test0_setup(struct nfit_test *t) dcr->status_offset = 8; dcr->status_size = 4; - /* dcr-descriptor2 */ + /* dcr-descriptor2: blk */ dcr = nfit_buf + offset + sizeof(struct acpi_nfit_control_region) * 2; dcr->header.type = ACPI_NFIT_TYPE_CONTROL_REGION; dcr->header.length = sizeof(struct acpi_nfit_control_region); @@ -855,6 +952,7 @@ static void nfit_test0_setup(struct nfit_test *t) dcr->device_id = 0; dcr->revision_id = 1; dcr->serial_number = ~handle[2]; + dcr->code = NFIT_FIC_BLK; dcr->windows = 1; dcr->window_size = DCR_SIZE; dcr->command_offset = 0; @@ -862,7 +960,7 @@ static void nfit_test0_setup(struct nfit_test *t) dcr->status_offset = 8; dcr->status_size = 4; - /* dcr-descriptor3 */ + /* dcr-descriptor3: blk */ dcr = nfit_buf + offset + sizeof(struct acpi_nfit_control_region) * 3; dcr->header.type = ACPI_NFIT_TYPE_CONTROL_REGION; dcr->header.length = sizeof(struct acpi_nfit_control_region); @@ -871,6 +969,7 @@ static void nfit_test0_setup(struct nfit_test *t) dcr->device_id = 0; dcr->revision_id = 1; dcr->serial_number = ~handle[3]; + dcr->code = NFIT_FIC_BLK; dcr->windows = 1; dcr->window_size = DCR_SIZE; dcr->command_offset = 0; @@ -879,6 +978,63 @@ static void nfit_test0_setup(struct nfit_test *t) dcr->status_size = 4; offset = offset + sizeof(struct acpi_nfit_control_region) * 4; + /* dcr-descriptor0: pmem */ + dcr = nfit_buf + offset; + dcr->header.type = ACPI_NFIT_TYPE_CONTROL_REGION; + dcr->header.length = offsetof(struct acpi_nfit_control_region, + window_size); + dcr->region_index = 4+1; + dcr->vendor_id = 0xabcd; + dcr->device_id = 0; + dcr->revision_id = 1; + dcr->serial_number = ~handle[0]; + dcr->code = NFIT_FIC_BYTEN; + dcr->windows = 0; + + /* dcr-descriptor1: pmem */ + dcr = nfit_buf + offset + offsetof(struct acpi_nfit_control_region, + window_size); + dcr->header.type = ACPI_NFIT_TYPE_CONTROL_REGION; + dcr->header.length = offsetof(struct acpi_nfit_control_region, + window_size); + dcr->region_index = 5+1; + dcr->vendor_id = 0xabcd; + dcr->device_id = 0; + dcr->revision_id = 1; + dcr->serial_number = ~handle[1]; + dcr->code = NFIT_FIC_BYTEN; + dcr->windows = 0; + + /* dcr-descriptor2: pmem */ + dcr = nfit_buf + offset + offsetof(struct acpi_nfit_control_region, + window_size) * 2; + dcr->header.type = ACPI_NFIT_TYPE_CONTROL_REGION; + dcr->header.length = offsetof(struct acpi_nfit_control_region, + window_size); + dcr->region_index = 6+1; + dcr->vendor_id = 0xabcd; + dcr->device_id = 0; + dcr->revision_id = 1; + dcr->serial_number = ~handle[2]; + dcr->code = NFIT_FIC_BYTEN; + dcr->windows = 0; + + /* dcr-descriptor3: pmem */ + dcr = nfit_buf + offset + offsetof(struct acpi_nfit_control_region, + window_size) * 3; + dcr->header.type = ACPI_NFIT_TYPE_CONTROL_REGION; + dcr->header.length = offsetof(struct acpi_nfit_control_region, + window_size); + dcr->region_index = 7+1; + dcr->vendor_id = 0xabcd; + dcr->device_id = 0; + dcr->revision_id = 1; + dcr->serial_number = ~handle[3]; + dcr->code = NFIT_FIC_BYTEN; + dcr->windows = 0; + + offset = offset + offsetof(struct acpi_nfit_control_region, + window_size) * 4; /* bdw0 (spa/dcr0, dimm0) */ bdw = nfit_buf + offset; bdw->header.type = ACPI_NFIT_TYPE_DATA_REGION; @@ -958,15 +1114,16 @@ static void nfit_test0_setup(struct nfit_test *t) if (t->setup_hotplug) { offset = offset + sizeof(struct acpi_nfit_flush_address) * 4; - /* dcr-descriptor4 */ + /* dcr-descriptor4: blk */ dcr = nfit_buf + offset; dcr->header.type = ACPI_NFIT_TYPE_CONTROL_REGION; dcr->header.length = sizeof(struct acpi_nfit_control_region); - dcr->region_index = 4+1; + dcr->region_index = 8+1; dcr->vendor_id = 0xabcd; dcr->device_id = 0; dcr->revision_id = 1; dcr->serial_number = ~handle[4]; + dcr->code = NFIT_FIC_BLK; dcr->windows = 1; dcr->window_size = DCR_SIZE; dcr->command_offset = 0; @@ -975,11 +1132,26 @@ static void nfit_test0_setup(struct nfit_test *t) dcr->status_size = 4; offset = offset + sizeof(struct acpi_nfit_control_region); + /* dcr-descriptor4: pmem */ + dcr = nfit_buf + offset; + dcr->header.type = ACPI_NFIT_TYPE_CONTROL_REGION; + dcr->header.length = offsetof(struct acpi_nfit_control_region, + window_size); + dcr->region_index = 9+1; + dcr->vendor_id = 0xabcd; + dcr->device_id = 0; + dcr->revision_id = 1; + dcr->serial_number = ~handle[4]; + dcr->code = NFIT_FIC_BYTEN; + dcr->windows = 0; + + offset = offset + offsetof(struct acpi_nfit_control_region, + window_size); /* bdw4 (spa/dcr4, dimm4) */ bdw = nfit_buf + offset; bdw->header.type = ACPI_NFIT_TYPE_DATA_REGION; bdw->header.length = sizeof(struct acpi_nfit_data_region); - bdw->region_index = 4+1; + bdw->region_index = 8+1; bdw->windows = 1; bdw->offset = 0; bdw->size = BDW_SIZE; @@ -1027,7 +1199,7 @@ static void nfit_test0_setup(struct nfit_test *t) memdev->physical_id = 4; memdev->region_id = 0; memdev->range_index = 10+1; - memdev->region_index = 4+1; + memdev->region_index = 8+1; memdev->region_size = 0; memdev->region_offset = 0; memdev->address = 0; @@ -1043,14 +1215,14 @@ static void nfit_test0_setup(struct nfit_test *t) memdev->physical_id = 4; memdev->region_id = 0; memdev->range_index = 11+1; - memdev->region_index = 4+1; + memdev->region_index = 9+1; memdev->region_size = SPA0_SIZE; memdev->region_offset = t->spa_set_dma[2]; memdev->address = 0; memdev->interleave_index = 0; memdev->interleave_ways = 1; - /* mem-region16 (spa/dcr4, dimm4) */ + /* mem-region16 (spa/bdw4, dimm4) */ memdev = nfit_buf + offset + sizeof(struct acpi_nfit_memory_map) * 2; memdev->header.type = ACPI_NFIT_TYPE_MEMORY_MAP; @@ -1059,7 +1231,7 @@ static void nfit_test0_setup(struct nfit_test *t) memdev->physical_id = 4; memdev->region_id = 0; memdev->range_index = 12+1; - memdev->region_index = 4+1; + memdev->region_index = 8+1; memdev->region_size = 0; memdev->region_offset = 0; memdev->address = 0; @@ -1076,6 +1248,8 @@ static void nfit_test0_setup(struct nfit_test *t) flush->hint_address[0] = t->flush_dma[4]; } + post_ars_status(&t->ars_state, t->spa_set_dma[0], SPA0_SIZE); + acpi_desc = &t->acpi_desc; set_bit(ND_CMD_GET_CONFIG_SIZE, &acpi_desc->dimm_dsm_force_en); set_bit(ND_CMD_GET_CONFIG_DATA, &acpi_desc->dimm_dsm_force_en); @@ -1083,8 +1257,7 @@ static void nfit_test0_setup(struct nfit_test *t) set_bit(ND_CMD_ARS_CAP, &acpi_desc->bus_dsm_force_en); set_bit(ND_CMD_ARS_START, &acpi_desc->bus_dsm_force_en); set_bit(ND_CMD_ARS_STATUS, &acpi_desc->bus_dsm_force_en); - nd_desc = &acpi_desc->nd_desc; - nd_desc->ndctl = nfit_test_ctl; + set_bit(ND_CMD_CLEAR_ERROR, &acpi_desc->bus_dsm_force_en); } static void nfit_test1_setup(struct nfit_test *t) @@ -1094,7 +1267,6 @@ static void nfit_test1_setup(struct nfit_test *t) struct acpi_nfit_memory_map *memdev; struct acpi_nfit_control_region *dcr; struct acpi_nfit_system_address *spa; - struct nvdimm_bus_descriptor *nd_desc; struct acpi_nfit_desc *acpi_desc; offset = 0; @@ -1130,26 +1302,23 @@ static void nfit_test1_setup(struct nfit_test *t) /* dcr-descriptor0 */ dcr = nfit_buf + offset; dcr->header.type = ACPI_NFIT_TYPE_CONTROL_REGION; - dcr->header.length = sizeof(struct acpi_nfit_control_region); + dcr->header.length = offsetof(struct acpi_nfit_control_region, + window_size); dcr->region_index = 0+1; dcr->vendor_id = 0xabcd; dcr->device_id = 0; dcr->revision_id = 1; dcr->serial_number = ~0; - dcr->code = 0x201; + dcr->code = NFIT_FIC_BYTE; dcr->windows = 0; - dcr->window_size = 0; - dcr->command_offset = 0; - dcr->command_size = 0; - dcr->status_offset = 0; - dcr->status_size = 0; + + post_ars_status(&t->ars_state, t->spa_set_dma[0], SPA2_SIZE); acpi_desc = &t->acpi_desc; set_bit(ND_CMD_ARS_CAP, &acpi_desc->bus_dsm_force_en); set_bit(ND_CMD_ARS_START, &acpi_desc->bus_dsm_force_en); set_bit(ND_CMD_ARS_STATUS, &acpi_desc->bus_dsm_force_en); - nd_desc = &acpi_desc->nd_desc; - nd_desc->ndctl = nfit_test_ctl; + set_bit(ND_CMD_CLEAR_ERROR, &acpi_desc->bus_dsm_force_en); } static int nfit_test_blk_do_io(struct nd_blk_region *ndbr, resource_size_t dpa, @@ -1232,26 +1401,16 @@ static int nfit_test_probe(struct platform_device *pdev) nfit_test->setup(nfit_test); acpi_desc = &nfit_test->acpi_desc; - acpi_desc->dev = &pdev->dev; + acpi_nfit_desc_init(acpi_desc, &pdev->dev); acpi_desc->nfit = nfit_test->nfit_buf; acpi_desc->blk_do_io = nfit_test_blk_do_io; nd_desc = &acpi_desc->nd_desc; - nd_desc->attr_groups = acpi_nfit_attribute_groups; + nd_desc->provider_name = NULL; + nd_desc->ndctl = nfit_test_ctl; acpi_desc->nvdimm_bus = nvdimm_bus_register(&pdev->dev, nd_desc); if (!acpi_desc->nvdimm_bus) return -ENXIO; - INIT_LIST_HEAD(&acpi_desc->spa_maps); - INIT_LIST_HEAD(&acpi_desc->spas); - INIT_LIST_HEAD(&acpi_desc->dcrs); - INIT_LIST_HEAD(&acpi_desc->bdws); - INIT_LIST_HEAD(&acpi_desc->idts); - INIT_LIST_HEAD(&acpi_desc->flushes); - INIT_LIST_HEAD(&acpi_desc->memdevs); - INIT_LIST_HEAD(&acpi_desc->dimms); - mutex_init(&acpi_desc->spa_map_mutex); - mutex_init(&acpi_desc->init_mutex); - rc = acpi_nfit_init(acpi_desc, nfit_test->nfit_size); if (rc) { nvdimm_bus_unregister(acpi_desc->nvdimm_bus); |