summaryrefslogtreecommitdiffstats
path: root/drivers/nvme/host/trace.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/nvme/host/trace.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/nvme/host/trace.h')
-rw-r--r--drivers/nvme/host/trace.h172
1 files changed, 172 insertions, 0 deletions
diff --git a/drivers/nvme/host/trace.h b/drivers/nvme/host/trace.h
new file mode 100644
index 000000000..4fb5922ff
--- /dev/null
+++ b/drivers/nvme/host/trace.h
@@ -0,0 +1,172 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * NVM Express device driver tracepoints
+ * Copyright (c) 2018 Johannes Thumshirn, SUSE Linux GmbH
+ */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM nvme
+
+#if !defined(_TRACE_NVME_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_NVME_H
+
+#include <linux/nvme.h>
+#include <linux/tracepoint.h>
+#include <linux/trace_seq.h>
+
+#include "nvme.h"
+
+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, 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) \
+ nvme_trace_disk_name(p, name)
+
+#ifndef TRACE_HEADER_MULTI_READ
+static inline void __assign_disk_name(char *name, struct gendisk *disk)
+{
+ if (disk)
+ memcpy(name, disk->disk_name, DISK_NAME_LEN);
+ else
+ memset(name, 0, DISK_NAME_LEN);
+}
+#endif
+
+TRACE_EVENT(nvme_setup_cmd,
+ TP_PROTO(struct request *req, struct nvme_command *cmd),
+ TP_ARGS(req, cmd),
+ TP_STRUCT__entry(
+ __array(char, disk, DISK_NAME_LEN)
+ __field(int, ctrl_id)
+ __field(int, qid)
+ __field(u8, opcode)
+ __field(u8, flags)
+ __field(u8, fctype)
+ __field(u16, cid)
+ __field(u32, nsid)
+ __field(bool, metadata)
+ __array(u8, cdw10, 24)
+ ),
+ TP_fast_assign(
+ __entry->ctrl_id = nvme_req(req)->ctrl->instance;
+ __entry->qid = nvme_req_qid(req);
+ __entry->opcode = cmd->common.opcode;
+ __entry->flags = cmd->common.flags;
+ __entry->cid = cmd->common.command_id;
+ __entry->nsid = le32_to_cpu(cmd->common.nsid);
+ __entry->metadata = !!blk_integrity_rq(req);
+ __entry->fctype = cmd->fabrics.fctype;
+ __assign_disk_name(__entry->disk, req->q->disk);
+ memcpy(__entry->cdw10, &cmd->common.cdws,
+ sizeof(__entry->cdw10));
+ ),
+ TP_printk("nvme%d: %sqid=%d, cmdid=%u, nsid=%u, flags=0x%x, meta=0x%x, cmd=(%s %s)",
+ __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,
+ __entry->fctype),
+ parse_nvme_cmd(__entry->qid, __entry->opcode,
+ __entry->fctype, __entry->cdw10))
+);
+
+TRACE_EVENT(nvme_complete_rq,
+ TP_PROTO(struct request *req),
+ TP_ARGS(req),
+ TP_STRUCT__entry(
+ __array(char, disk, DISK_NAME_LEN)
+ __field(int, ctrl_id)
+ __field(int, qid)
+ __field(int, cid)
+ __field(u64, result)
+ __field(u8, retries)
+ __field(u8, flags)
+ __field(u16, status)
+ ),
+ TP_fast_assign(
+ __entry->ctrl_id = nvme_req(req)->ctrl->instance;
+ __entry->qid = nvme_req_qid(req);
+ __entry->cid = nvme_req(req)->cmd->common.command_id;
+ __entry->result = le64_to_cpu(nvme_req(req)->result.u64);
+ __entry->retries = nvme_req(req)->retries;
+ __entry->flags = nvme_req(req)->flags;
+ __entry->status = nvme_req(req)->status;
+ __assign_disk_name(__entry->disk, req->q->disk);
+ ),
+ TP_printk("nvme%d: %sqid=%d, cmdid=%u, res=%#llx, retries=%u, flags=0x%x, status=%#x",
+ __entry->ctrl_id, __print_disk_name(__entry->disk),
+ __entry->qid, __entry->cid, __entry->result,
+ __entry->retries, __entry->flags, __entry->status)
+
+);
+
+#define aer_name(aer) { aer, #aer }
+
+TRACE_EVENT(nvme_async_event,
+ TP_PROTO(struct nvme_ctrl *ctrl, u32 result),
+ TP_ARGS(ctrl, result),
+ TP_STRUCT__entry(
+ __field(int, ctrl_id)
+ __field(u32, result)
+ ),
+ TP_fast_assign(
+ __entry->ctrl_id = ctrl->instance;
+ __entry->result = result;
+ ),
+ TP_printk("nvme%d: NVME_AEN=%#08x [%s]",
+ __entry->ctrl_id, __entry->result,
+ __print_symbolic(__entry->result & 0x7,
+ aer_name(NVME_AER_ERROR),
+ aer_name(NVME_AER_SMART),
+ aer_name(NVME_AER_NOTICE),
+ aer_name(NVME_AER_CSS),
+ aer_name(NVME_AER_VS))
+ )
+);
+
+#undef aer_name
+
+TRACE_EVENT(nvme_sq,
+ TP_PROTO(struct request *req, __le16 sq_head, int sq_tail),
+ TP_ARGS(req, sq_head, sq_tail),
+ TP_STRUCT__entry(
+ __field(int, ctrl_id)
+ __array(char, disk, DISK_NAME_LEN)
+ __field(int, qid)
+ __field(u16, sq_head)
+ __field(u16, sq_tail)
+ ),
+ TP_fast_assign(
+ __entry->ctrl_id = nvme_req(req)->ctrl->instance;
+ __assign_disk_name(__entry->disk, req->q->disk);
+ __entry->qid = nvme_req_qid(req);
+ __entry->sq_head = le16_to_cpu(sq_head);
+ __entry->sq_tail = sq_tail;
+ ),
+ TP_printk("nvme%d: %sqid=%d, head=%u, tail=%u",
+ __entry->ctrl_id, __print_disk_name(__entry->disk),
+ __entry->qid, __entry->sq_head, __entry->sq_tail
+ )
+);
+
+#endif /* _TRACE_NVME_H */
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE trace
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>