diff options
-rw-r--r-- | drivers/nvme/target/core.c | 1 | ||||
-rw-r--r-- | drivers/nvme/target/trace.h | 28 |
2 files changed, 29 insertions, 0 deletions
diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c index b685f99d56a1..7ce3d3b0f5d6 100644 --- a/drivers/nvme/target/core.c +++ b/drivers/nvme/target/core.c @@ -151,6 +151,7 @@ static void nvmet_async_events_process(struct nvmet_ctrl *ctrl, u16 status) kfree(aen); mutex_unlock(&ctrl->lock); + trace_nvmet_async_event(ctrl, req->cqe->result.u32); nvmet_req_complete(req, status); } } diff --git a/drivers/nvme/target/trace.h b/drivers/nvme/target/trace.h index e645caa882dd..0458046d6501 100644 --- a/drivers/nvme/target/trace.h +++ b/drivers/nvme/target/trace.h @@ -130,6 +130,34 @@ TRACE_EVENT(nvmet_req_complete, ); +#define aer_name(aer) { aer, #aer } + +TRACE_EVENT(nvmet_async_event, + TP_PROTO(struct nvmet_ctrl *ctrl, __le32 result), + TP_ARGS(ctrl, result), + TP_STRUCT__entry( + __field(int, ctrl_id) + __field(u32, result) + ), + TP_fast_assign( + __entry->ctrl_id = ctrl->cntlid; + __entry->result = (le32_to_cpu(result) & 0xff00) >> 8; + ), + TP_printk("nvmet%d: NVME_AEN=%#08x [%s]", + __entry->ctrl_id, __entry->result, + __print_symbolic(__entry->result, + aer_name(NVME_AER_NOTICE_NS_CHANGED), + aer_name(NVME_AER_NOTICE_ANA), + aer_name(NVME_AER_NOTICE_FW_ACT_STARTING), + aer_name(NVME_AER_NOTICE_DISC_CHANGED), + aer_name(NVME_AER_ERROR), + aer_name(NVME_AER_SMART), + aer_name(NVME_AER_CSS), + aer_name(NVME_AER_VS)) + ) +); +#undef aer_name + #endif /* _TRACE_NVMET_H */ #undef TRACE_INCLUDE_PATH |