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authorKeith Busch2022-09-01 08:30:39 -0700
committerChristoph Hellwig2022-09-07 08:38:25 +0200
commit371a982cd2b01487295cd87abec82357e268457b (patch)
tree15737f286d70df571515c7b6c4a726611267d5b8 /drivers/nvme
parentb7e97872a65e1d57b4451769610554c131f37a0a (diff)
nvme: requeue aen after firmware activation
The driver prevents async event work while handling a processing paused event, but someone needs to restart it after the controller returns to a live state. Link: https://bugzilla.kernel.org/show_bug.cgi?id=216400 Signed-off-by: Keith Busch <kbusch@kernel.org> Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/nvme')
-rw-r--r--drivers/nvme/host/core.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 2429b11eb9a8..70ebf27ad10e 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -4702,6 +4702,8 @@ static void nvme_fw_act_work(struct work_struct *work)
nvme_start_queues(ctrl);
/* read FW slot information to clear the AER */
nvme_get_fw_slot_info(ctrl);
+
+ queue_work(nvme_wq, &ctrl->async_event_work);
}
static u32 nvme_aer_type(u32 result)
@@ -4714,9 +4716,10 @@ static u32 nvme_aer_subtype(u32 result)
return (result & 0xff00) >> 8;
}
-static void nvme_handle_aen_notice(struct nvme_ctrl *ctrl, u32 result)
+static bool nvme_handle_aen_notice(struct nvme_ctrl *ctrl, u32 result)
{
u32 aer_notice_type = nvme_aer_subtype(result);
+ bool requeue = true;
trace_nvme_async_event(ctrl, aer_notice_type);
@@ -4733,6 +4736,7 @@ static void nvme_handle_aen_notice(struct nvme_ctrl *ctrl, u32 result)
*/
if (nvme_change_ctrl_state(ctrl, NVME_CTRL_RESETTING)) {
nvme_auth_stop(ctrl);
+ requeue = false;
queue_work(nvme_wq, &ctrl->fw_act_work);
}
break;
@@ -4749,6 +4753,7 @@ static void nvme_handle_aen_notice(struct nvme_ctrl *ctrl, u32 result)
default:
dev_warn(ctrl->device, "async event result %08x\n", result);
}
+ return requeue;
}
static void nvme_handle_aer_persistent_error(struct nvme_ctrl *ctrl)
@@ -4764,13 +4769,14 @@ void nvme_complete_async_event(struct nvme_ctrl *ctrl, __le16 status,
u32 result = le32_to_cpu(res->u32);
u32 aer_type = nvme_aer_type(result);
u32 aer_subtype = nvme_aer_subtype(result);
+ bool requeue = true;
if (le16_to_cpu(status) >> 1 != NVME_SC_SUCCESS)
return;
switch (aer_type) {
case NVME_AER_NOTICE:
- nvme_handle_aen_notice(ctrl, result);
+ requeue = nvme_handle_aen_notice(ctrl, result);
break;
case NVME_AER_ERROR:
/*
@@ -4791,7 +4797,9 @@ void nvme_complete_async_event(struct nvme_ctrl *ctrl, __le16 status,
default:
break;
}
- queue_work(nvme_wq, &ctrl->async_event_work);
+
+ if (requeue)
+ queue_work(nvme_wq, &ctrl->async_event_work);
}
EXPORT_SYMBOL_GPL(nvme_complete_async_event);