diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/acpi/nfit/core.c | 78 | ||||
| -rw-r--r-- | drivers/acpi/nfit/nfit.h | 2 |
2 files changed, 41 insertions, 39 deletions
diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c index 9c56022c216f..866853abebea 100644 --- a/drivers/acpi/nfit/core.c +++ b/drivers/acpi/nfit/core.c @@ -2494,16 +2494,16 @@ static int ars_get_status(struct acpi_nfit_desc *acpi_desc) int rc, cmd_rc; rc = nd_desc->ndctl(nd_desc, NULL, ND_CMD_ARS_STATUS, ars_status, - acpi_desc->ars_status_size, &cmd_rc); + acpi_desc->max_ars, &cmd_rc); if (rc < 0) return rc; return cmd_rc; } -static int ars_status_process_records(struct acpi_nfit_desc *acpi_desc, - struct nd_cmd_ars_status *ars_status) +static int ars_status_process_records(struct acpi_nfit_desc *acpi_desc) { struct nvdimm_bus *nvdimm_bus = acpi_desc->nvdimm_bus; + struct nd_cmd_ars_status *ars_status = acpi_desc->ars_status; int rc; u32 i; @@ -2739,60 +2739,35 @@ static int acpi_nfit_register_region(struct acpi_nfit_desc *acpi_desc, return rc; } -static int ars_status_alloc(struct acpi_nfit_desc *acpi_desc, - u32 max_ars) +static int ars_status_alloc(struct acpi_nfit_desc *acpi_desc) { struct device *dev = acpi_desc->dev; struct nd_cmd_ars_status *ars_status; - if (acpi_desc->ars_status && acpi_desc->ars_status_size >= max_ars) { - memset(acpi_desc->ars_status, 0, acpi_desc->ars_status_size); + if (acpi_desc->ars_status) { + memset(acpi_desc->ars_status, 0, acpi_desc->max_ars); return 0; } - if (acpi_desc->ars_status) - devm_kfree(dev, acpi_desc->ars_status); - acpi_desc->ars_status = NULL; - ars_status = devm_kzalloc(dev, max_ars, GFP_KERNEL); + ars_status = devm_kzalloc(dev, acpi_desc->max_ars, GFP_KERNEL); if (!ars_status) return -ENOMEM; acpi_desc->ars_status = ars_status; - acpi_desc->ars_status_size = max_ars; return 0; } -static int acpi_nfit_query_poison(struct acpi_nfit_desc *acpi_desc, - struct nfit_spa *nfit_spa) +static int acpi_nfit_query_poison(struct acpi_nfit_desc *acpi_desc) { - struct acpi_nfit_system_address *spa = nfit_spa->spa; int rc; - if (!nfit_spa->max_ars) { - struct nd_cmd_ars_cap ars_cap; - - memset(&ars_cap, 0, sizeof(ars_cap)); - rc = ars_get_cap(acpi_desc, &ars_cap, nfit_spa); - if (rc < 0) - return rc; - nfit_spa->max_ars = ars_cap.max_ars_out; - nfit_spa->clear_err_unit = ars_cap.clear_err_unit; - /* check that the supported scrub types match the spa type */ - if (nfit_spa_type(spa) == NFIT_SPA_VOLATILE && - ((ars_cap.status >> 16) & ND_ARS_VOLATILE) == 0) - return -ENOTTY; - else if (nfit_spa_type(spa) == NFIT_SPA_PM && - ((ars_cap.status >> 16) & ND_ARS_PERSISTENT) == 0) - return -ENOTTY; - } - - if (ars_status_alloc(acpi_desc, nfit_spa->max_ars)) + if (ars_status_alloc(acpi_desc)) return -ENOMEM; rc = ars_get_status(acpi_desc); if (rc < 0 && rc != -ENOSPC) return rc; - if (ars_status_process_records(acpi_desc, acpi_desc->ars_status)) + if (ars_status_process_records(acpi_desc)) return -ENOMEM; return 0; @@ -2824,7 +2799,7 @@ static void acpi_nfit_async_scrub(struct acpi_nfit_desc *acpi_desc, if (acpi_desc->cancel) break; - rc = acpi_nfit_query_poison(acpi_desc, nfit_spa); + rc = acpi_nfit_query_poison(acpi_desc); if (rc == -ENOTTY) break; if (rc == -EBUSY && !tmo) { @@ -2925,7 +2900,7 @@ static void acpi_nfit_scrub(struct work_struct *work) */ rc = 0; } else - rc = acpi_nfit_query_poison(acpi_desc, nfit_spa); + rc = acpi_nfit_query_poison(acpi_desc); if (rc == -ENOTTY) { /* no ars capability, just register spa and move on */ @@ -3018,6 +2993,31 @@ static void acpi_nfit_scrub(struct work_struct *work) mutex_unlock(&acpi_desc->init_mutex); } +static void acpi_nfit_init_ars(struct acpi_nfit_desc *acpi_desc, + struct nfit_spa *nfit_spa) +{ + int type = nfit_spa_type(nfit_spa->spa); + struct nd_cmd_ars_cap ars_cap; + int rc; + + memset(&ars_cap, 0, sizeof(ars_cap)); + rc = ars_get_cap(acpi_desc, &ars_cap, nfit_spa); + if (rc < 0) + return; + /* check that the supported scrub types match the spa type */ + if (type == NFIT_SPA_VOLATILE && ((ars_cap.status >> 16) + & ND_ARS_VOLATILE) == 0) + return; + if (type == NFIT_SPA_PM && ((ars_cap.status >> 16) + & ND_ARS_PERSISTENT) == 0) + return; + + nfit_spa->max_ars = ars_cap.max_ars_out; + nfit_spa->clear_err_unit = ars_cap.clear_err_unit; + acpi_desc->max_ars = max(nfit_spa->max_ars, acpi_desc->max_ars); +} + + static int acpi_nfit_register_regions(struct acpi_nfit_desc *acpi_desc) { struct nfit_spa *nfit_spa; @@ -3026,8 +3026,10 @@ static int acpi_nfit_register_regions(struct acpi_nfit_desc *acpi_desc) int rc, type = nfit_spa_type(nfit_spa->spa); /* PMEM and VMEM will be registered by the ARS workqueue */ - if (type == NFIT_SPA_PM || type == NFIT_SPA_VOLATILE) + if (type == NFIT_SPA_PM || type == NFIT_SPA_VOLATILE) { + acpi_nfit_init_ars(acpi_desc, nfit_spa); continue; + } /* BLK apertures belong to BLK region registration below */ if (type == NFIT_SPA_BDW) continue; diff --git a/drivers/acpi/nfit/nfit.h b/drivers/acpi/nfit/nfit.h index 2b97e5f76bdf..45e7949986a8 100644 --- a/drivers/acpi/nfit/nfit.h +++ b/drivers/acpi/nfit/nfit.h @@ -197,10 +197,10 @@ struct acpi_nfit_desc { struct device *dev; u8 ars_start_flags; struct nd_cmd_ars_status *ars_status; - size_t ars_status_size; struct work_struct work; struct list_head list; struct kernfs_node *scrub_count_state; + unsigned int max_ars; unsigned int scrub_count; unsigned int scrub_mode; unsigned int cancel:1; |