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nvme: submit AEN event configuration on startup
We should register for AEN events; some law-abiding targets might not be sending us AENs otherwise. Signed-off-by: Hannes Reinecke <hare@suse.com> [hch: slight cleanups] Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
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55fdd6b613
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2 changed files with 18 additions and 0 deletions
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@ -1030,6 +1030,21 @@ int nvme_set_queue_count(struct nvme_ctrl *ctrl, int *count)
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}
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EXPORT_SYMBOL_GPL(nvme_set_queue_count);
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#define NVME_AEN_SUPPORTED \
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(NVME_AEN_CFG_NS_ATTR | NVME_AEN_CFG_FW_ACT)
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static void nvme_enable_aen(struct nvme_ctrl *ctrl)
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{
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u32 result;
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int status;
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status = nvme_set_features(ctrl, NVME_FEAT_ASYNC_EVENT,
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ctrl->oaes & NVME_AEN_SUPPORTED, NULL, 0, &result);
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if (status)
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dev_warn(ctrl->device, "Failed to configure AEN (cfg %x)\n",
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ctrl->oaes & NVME_AEN_SUPPORTED);
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}
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static int nvme_submit_io(struct nvme_ns *ns, struct nvme_user_io __user *uio)
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{
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struct nvme_user_io io;
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@ -2347,6 +2362,7 @@ int nvme_init_identify(struct nvme_ctrl *ctrl)
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ctrl->oacs = le16_to_cpu(id->oacs);
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ctrl->oncs = le16_to_cpup(&id->oncs);
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ctrl->oaes = le32_to_cpu(id->oaes);
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atomic_set(&ctrl->abort_limit, id->acl + 1);
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ctrl->vwc = id->vwc;
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ctrl->cntlid = le16_to_cpup(&id->cntlid);
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@ -3379,6 +3395,7 @@ void nvme_start_ctrl(struct nvme_ctrl *ctrl)
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if (ctrl->queue_count > 1) {
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nvme_queue_scan(ctrl);
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nvme_enable_aen(ctrl);
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queue_work(nvme_wq, &ctrl->async_event_work);
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nvme_start_queues(ctrl);
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}
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@ -176,6 +176,7 @@ struct nvme_ctrl {
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u16 kas;
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u8 npss;
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u8 apsta;
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u32 oaes;
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u32 aen_result;
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unsigned int shutdown_timeout;
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unsigned int kato;
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