nvme-trace: support for fabrics commands in host-side
This patch introduces fabrics commands tracing feature from host-side.
This patch does not include any changes for the previous host-side
tracing, but just add fabrics commands parsing in cmd=() format.
Signed-off-by: Minwoo Im <minwoo.im.dev@gmail.com>
[hch: fixed some whitespace damage]
Signed-off-by: Christoph Hellwig <hch@lst.de>
diff --git a/drivers/nvme/host/trace.h b/drivers/nvme/host/trace.h
index 62ee291..19a18c8 100644
--- a/drivers/nvme/host/trace.h
+++ b/drivers/nvme/host/trace.h
@@ -20,11 +20,15 @@ const char *nvme_trace_parse_admin_cmd(struct trace_seq *p, u8 opcode,
u8 *cdw10);
const char *nvme_trace_parse_nvm_cmd(struct trace_seq *p, u8 opcode,
u8 *cdw10);
+const char *nvme_trace_parse_fabrics_cmd(struct trace_seq *p, u8 fctype,
+ u8 *spc);
-#define parse_nvme_cmd(qid, opcode, cdw10) \
- (qid ? \
- nvme_trace_parse_nvm_cmd(p, opcode, cdw10) : \
- nvme_trace_parse_admin_cmd(p, opcode, cdw10))
+#define parse_nvme_cmd(qid, opcode, fctype, cdw10) \
+ ((opcode) == nvme_fabrics_command ? \
+ nvme_trace_parse_fabrics_cmd(p, fctype, cdw10) : \
+ ((qid) ? \
+ nvme_trace_parse_nvm_cmd(p, opcode, cdw10) : \
+ nvme_trace_parse_admin_cmd(p, opcode, cdw10)))
const char *nvme_trace_disk_name(struct trace_seq *p, char *name);
#define __print_disk_name(name) \
@@ -49,6 +53,7 @@ TRACE_EVENT(nvme_setup_cmd,
__field(int, qid)
__field(u8, opcode)
__field(u8, flags)
+ __field(u8, fctype)
__field(u16, cid)
__field(u32, nsid)
__field(u64, metadata)
@@ -62,6 +67,7 @@ TRACE_EVENT(nvme_setup_cmd,
__entry->cid = cmd->common.command_id;
__entry->nsid = le32_to_cpu(cmd->common.nsid);
__entry->metadata = le64_to_cpu(cmd->common.metadata);
+ __entry->fctype = cmd->fabrics.fctype;
__assign_disk_name(__entry->disk, req->rq_disk);
memcpy(__entry->cdw10, &cmd->common.cdw10,
sizeof(__entry->cdw10));
@@ -70,8 +76,10 @@ TRACE_EVENT(nvme_setup_cmd,
__entry->ctrl_id, __print_disk_name(__entry->disk),
__entry->qid, __entry->cid, __entry->nsid,
__entry->flags, __entry->metadata,
- show_opcode_name(__entry->qid, __entry->opcode),
- parse_nvme_cmd(__entry->qid, __entry->opcode, __entry->cdw10))
+ show_opcode_name(__entry->qid, __entry->opcode,
+ __entry->fctype),
+ parse_nvme_cmd(__entry->qid, __entry->opcode,
+ __entry->fctype, __entry->cdw10))
);
TRACE_EVENT(nvme_complete_rq,