diff options
Diffstat (limited to 'drivers/nvme/host/core.c')
-rw-r--r-- | drivers/nvme/host/core.c | 42 |
1 files changed, 34 insertions, 8 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 456d37a02ea3..e62592c949ab 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -1035,18 +1035,18 @@ int nvme_set_queue_count(struct nvme_ctrl *ctrl, int *count) EXPORT_SYMBOL_GPL(nvme_set_queue_count); #define NVME_AEN_SUPPORTED \ - (NVME_AEN_CFG_NS_ATTR | NVME_AEN_CFG_FW_ACT) + (NVME_AEN_CFG_NS_ATTR | NVME_AEN_CFG_FW_ACT | NVME_AEN_CFG_ANA_CHANGE) static void nvme_enable_aen(struct nvme_ctrl *ctrl) { - u32 result; + u32 supported = ctrl->oaes & NVME_AEN_SUPPORTED, result; int status; - status = nvme_set_features(ctrl, NVME_FEAT_ASYNC_EVENT, - ctrl->oaes & NVME_AEN_SUPPORTED, NULL, 0, &result); + status = nvme_set_features(ctrl, NVME_FEAT_ASYNC_EVENT, supported, NULL, + 0, &result); if (status) dev_warn(ctrl->device, "Failed to configure AEN (cfg %x)\n", - ctrl->oaes & NVME_AEN_SUPPORTED); + supported); } static int nvme_submit_io(struct nvme_ns *ns, struct nvme_user_io __user *uio) @@ -2370,6 +2370,7 @@ int nvme_init_identify(struct nvme_ctrl *ctrl) nvme_set_queue_limits(ctrl, ctrl->admin_q); ctrl->sgls = le32_to_cpu(id->sgls); ctrl->kas = le16_to_cpu(id->kas); + ctrl->max_namespaces = le32_to_cpu(id->mnan); if (id->rtd3e) { /* us -> s */ @@ -2429,8 +2430,12 @@ int nvme_init_identify(struct nvme_ctrl *ctrl) ctrl->hmmaxd = le16_to_cpu(id->hmmaxd); } + ret = nvme_mpath_init(ctrl, id); kfree(id); + if (ret < 0) + return ret; + if (ctrl->apst_enabled && !prev_apst_enabled) dev_pm_qos_expose_latency_tolerance(ctrl->device); else if (!ctrl->apst_enabled && prev_apst_enabled) @@ -2649,6 +2654,10 @@ static struct attribute *nvme_ns_id_attrs[] = { &dev_attr_nguid.attr, &dev_attr_eui.attr, &dev_attr_nsid.attr, +#ifdef CONFIG_NVME_MULTIPATH + &dev_attr_ana_grpid.attr, + &dev_attr_ana_state.attr, +#endif NULL, }; @@ -2671,6 +2680,14 @@ static umode_t nvme_ns_id_attrs_are_visible(struct kobject *kobj, if (!memchr_inv(ids->eui64, 0, sizeof(ids->eui64))) return 0; } +#ifdef CONFIG_NVME_MULTIPATH + if (a == &dev_attr_ana_grpid.attr || a == &dev_attr_ana_state.attr) { + if (dev_to_disk(dev)->fops != &nvme_fops) /* per-path attr */ + return 0; + if (!nvme_ctrl_use_ana(nvme_get_ns_from_dev(dev)->ctrl)) + return 0; + } +#endif return a->mode; } @@ -3044,8 +3061,6 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid) nvme_get_ctrl(ctrl); - kfree(id); - device_add_disk(ctrl->device, ns->disk); if (sysfs_create_group(&disk_to_dev(ns->disk)->kobj, &nvme_ns_id_attr_group)) @@ -3055,8 +3070,10 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid) pr_warn("%s: failed to register lightnvm sysfs group for identification\n", ns->disk->disk_name); - nvme_mpath_add_disk(ns->head); + nvme_mpath_add_disk(ns, id); nvme_fault_inject_init(ns); + kfree(id); + return; out_unlink_ns: mutex_lock(&ctrl->subsys->lock); @@ -3364,6 +3381,13 @@ static void nvme_handle_aen_notice(struct nvme_ctrl *ctrl, u32 result) case NVME_AER_NOTICE_FW_ACT_STARTING: queue_work(nvme_wq, &ctrl->fw_act_work); break; +#ifdef CONFIG_NVME_MULTIPATH + case NVME_AER_NOTICE_ANA: + if (!ctrl->ana_log_buf) + break; + queue_work(nvme_wq, &ctrl->ana_work); + break; +#endif default: dev_warn(ctrl->device, "async event result %08x\n", result); } @@ -3396,6 +3420,7 @@ EXPORT_SYMBOL_GPL(nvme_complete_async_event); void nvme_stop_ctrl(struct nvme_ctrl *ctrl) { + nvme_mpath_stop(ctrl); nvme_stop_keep_alive(ctrl); flush_work(&ctrl->async_event_work); flush_work(&ctrl->scan_work); @@ -3433,6 +3458,7 @@ static void nvme_free_ctrl(struct device *dev) ida_simple_remove(&nvme_instance_ida, ctrl->instance); kfree(ctrl->effects); + nvme_mpath_uninit(ctrl); if (subsys) { mutex_lock(&subsys->lock); |