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9#undef TRACE_SYSTEM
10#define TRACE_SYSTEM nvmet
11
12#if !defined(_TRACE_NVMET_H) || defined(TRACE_HEADER_MULTI_READ)
13#define _TRACE_NVMET_H
14
15#include <linux/nvme.h>
16#include <linux/tracepoint.h>
17#include <linux/trace_seq.h>
18
19#include "nvmet.h"
20
21const char *nvmet_trace_parse_admin_cmd(struct trace_seq *p, u8 opcode,
22 u8 *cdw10);
23const char *nvmet_trace_parse_nvm_cmd(struct trace_seq *p, u8 opcode,
24 u8 *cdw10);
25const char *nvmet_trace_parse_fabrics_cmd(struct trace_seq *p, u8 fctype,
26 u8 *spc);
27
28#define parse_nvme_cmd(qid, opcode, fctype, cdw10) \
29 ((opcode) == nvme_fabrics_command ? \
30 nvmet_trace_parse_fabrics_cmd(p, fctype, cdw10) : \
31 (qid ? \
32 nvmet_trace_parse_nvm_cmd(p, opcode, cdw10) : \
33 nvmet_trace_parse_admin_cmd(p, opcode, cdw10)))
34
35const char *nvmet_trace_ctrl_name(struct trace_seq *p, struct nvmet_ctrl *ctrl);
36#define __print_ctrl_name(ctrl) \
37 nvmet_trace_ctrl_name(p, ctrl)
38
39const char *nvmet_trace_disk_name(struct trace_seq *p, char *name);
40#define __print_disk_name(name) \
41 nvmet_trace_disk_name(p, name)
42
43#ifndef TRACE_HEADER_MULTI_READ
44static inline struct nvmet_ctrl *nvmet_req_to_ctrl(struct nvmet_req *req)
45{
46 return req->sq->ctrl;
47}
48
49static inline void __assign_disk_name(char *name, struct nvmet_req *req,
50 bool init)
51{
52 struct nvmet_ctrl *ctrl = nvmet_req_to_ctrl(req);
53 struct nvmet_ns *ns;
54
55 if ((init && req->sq->qid) || (!init && req->cq->qid)) {
56 ns = nvmet_find_namespace(ctrl, req->cmd->rw.nsid);
57 strncpy(name, ns->device_path, DISK_NAME_LEN);
58 return;
59 }
60
61 memset(name, 0, DISK_NAME_LEN);
62}
63#endif
64
65TRACE_EVENT(nvmet_req_init,
66 TP_PROTO(struct nvmet_req *req, struct nvme_command *cmd),
67 TP_ARGS(req, cmd),
68 TP_STRUCT__entry(
69 __field(struct nvme_command *, cmd)
70 __field(struct nvmet_ctrl *, ctrl)
71 __array(char, disk, DISK_NAME_LEN)
72 __field(int, qid)
73 __field(u16, cid)
74 __field(u8, opcode)
75 __field(u8, fctype)
76 __field(u8, flags)
77 __field(u32, nsid)
78 __field(u64, metadata)
79 __array(u8, cdw10, 24)
80 ),
81 TP_fast_assign(
82 __entry->cmd = cmd;
83 __entry->ctrl = nvmet_req_to_ctrl(req);
84 __assign_disk_name(__entry->disk, req, true);
85 __entry->qid = req->sq->qid;
86 __entry->cid = cmd->common.command_id;
87 __entry->opcode = cmd->common.opcode;
88 __entry->fctype = cmd->fabrics.fctype;
89 __entry->flags = cmd->common.flags;
90 __entry->nsid = le32_to_cpu(cmd->common.nsid);
91 __entry->metadata = le64_to_cpu(cmd->common.metadata);
92 memcpy(__entry->cdw10, &cmd->common.cdw10,
93 sizeof(__entry->cdw10));
94 ),
95 TP_printk("nvmet%s: %sqid=%d, cmdid=%u, nsid=%u, flags=%#x, "
96 "meta=%#llx, cmd=(%s, %s)",
97 __print_ctrl_name(__entry->ctrl),
98 __print_disk_name(__entry->disk),
99 __entry->qid, __entry->cid, __entry->nsid,
100 __entry->flags, __entry->metadata,
101 show_opcode_name(__entry->qid, __entry->opcode,
102 __entry->fctype),
103 parse_nvme_cmd(__entry->qid, __entry->opcode,
104 __entry->fctype, __entry->cdw10))
105);
106
107TRACE_EVENT(nvmet_req_complete,
108 TP_PROTO(struct nvmet_req *req),
109 TP_ARGS(req),
110 TP_STRUCT__entry(
111 __field(struct nvmet_ctrl *, ctrl)
112 __array(char, disk, DISK_NAME_LEN)
113 __field(int, qid)
114 __field(int, cid)
115 __field(u64, result)
116 __field(u16, status)
117 ),
118 TP_fast_assign(
119 __entry->ctrl = nvmet_req_to_ctrl(req);
120 __entry->qid = req->cq->qid;
121 __entry->cid = req->cqe->command_id;
122 __entry->result = le64_to_cpu(req->cqe->result.u64);
123 __entry->status = le16_to_cpu(req->cqe->status) >> 1;
124 __assign_disk_name(__entry->disk, req, false);
125 ),
126 TP_printk("nvmet%s: %sqid=%d, cmdid=%u, res=%#llx, status=%#x",
127 __print_ctrl_name(__entry->ctrl),
128 __print_disk_name(__entry->disk),
129 __entry->qid, __entry->cid, __entry->result, __entry->status)
130
131);
132
133#endif
134
135#undef TRACE_INCLUDE_PATH
136#define TRACE_INCLUDE_PATH .
137#undef TRACE_INCLUDE_FILE
138#define TRACE_INCLUDE_FILE trace
139
140
141#include <trace/define_trace.h>
142