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| author | Sagi Grimberg <sagi@grimberg.me> | 2019-07-12 21:02:10 +0300 |
|---|---|---|
| committer | Sagi Grimberg <sagi@grimberg.me> | 2019-09-12 18:50:46 +0300 |
| commit | 85f8a4351dfd75a719a82c681739e7bcf17bbf9e (patch) | |
| tree | 569e4a3a58ff085b467a503f425fe92e3273e0b8 /drivers/nvme | |
| parent | a42f42e5bb84d82f1e9890f33364c4c04997c323 (diff) | |
| download | linux-85f8a4351dfd75a719a82c681739e7bcf17bbf9e.tar.xz | |
nvme: send discovery log page change events to userspace
If the controller supports discovery log page change events,
we want to enable it. When we see a discovery log change event
we will send it up to userspace and expect it to handle it.
Reviewed-by: Minwoo Im <minwoo.im.dev@gmail.com>
Reviewed-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Diffstat (limited to 'drivers/nvme')
| -rw-r--r-- | drivers/nvme/host/core.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 7d4e0c6f6d49..81f8b1841b0e 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -1185,7 +1185,8 @@ 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_ANA_CHANGE) + (NVME_AEN_CFG_NS_ATTR | NVME_AEN_CFG_FW_ACT | \ + NVME_AEN_CFG_ANA_CHANGE | NVME_AEN_CFG_DISC_CHANGE) static void nvme_enable_aen(struct nvme_ctrl *ctrl) { @@ -3768,6 +3769,9 @@ static void nvme_handle_aen_notice(struct nvme_ctrl *ctrl, u32 result) queue_work(nvme_wq, &ctrl->ana_work); break; #endif + case NVME_AER_NOTICE_DISC_CHANGED: + ctrl->aen_result = result; + break; default: dev_warn(ctrl->device, "async event result %08x\n", result); } |