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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_req_name(char *name, struct nvmet_req *req)
50{
51 if (!req->ns) {
52 memset(name, 0, DISK_NAME_LEN);
53 return;
54 }
55
56 strncpy(name, req->ns->device_path,
57 min_t(size_t, DISK_NAME_LEN, strlen(req->ns->device_path)));
58}
59#endif
60
61TRACE_EVENT(nvmet_req_init,
62 TP_PROTO(struct nvmet_req *req, struct nvme_command *cmd),
63 TP_ARGS(req, cmd),
64 TP_STRUCT__entry(
65 __field(struct nvme_command *, cmd)
66 __field(struct nvmet_ctrl *, ctrl)
67 __array(char, disk, DISK_NAME_LEN)
68 __field(int, qid)
69 __field(u16, cid)
70 __field(u8, opcode)
71 __field(u8, fctype)
72 __field(u8, flags)
73 __field(u32, nsid)
74 __field(u64, metadata)
75 __array(u8, cdw10, 24)
76 ),
77 TP_fast_assign(
78 __entry->cmd = cmd;
79 __entry->ctrl = nvmet_req_to_ctrl(req);
80 __assign_req_name(__entry->disk, req);
81 __entry->qid = req->sq->qid;
82 __entry->cid = cmd->common.command_id;
83 __entry->opcode = cmd->common.opcode;
84 __entry->fctype = cmd->fabrics.fctype;
85 __entry->flags = cmd->common.flags;
86 __entry->nsid = le32_to_cpu(cmd->common.nsid);
87 __entry->metadata = le64_to_cpu(cmd->common.metadata);
88 memcpy(__entry->cdw10, &cmd->common.cdw10,
89 sizeof(__entry->cdw10));
90 ),
91 TP_printk("nvmet%s: %sqid=%d, cmdid=%u, nsid=%u, flags=%#x, "
92 "meta=%#llx, cmd=(%s, %s)",
93 __print_ctrl_name(__entry->ctrl),
94 __print_disk_name(__entry->disk),
95 __entry->qid, __entry->cid, __entry->nsid,
96 __entry->flags, __entry->metadata,
97 show_opcode_name(__entry->qid, __entry->opcode,
98 __entry->fctype),
99 parse_nvme_cmd(__entry->qid, __entry->opcode,
100 __entry->fctype, __entry->cdw10))
101);
102
103TRACE_EVENT(nvmet_req_complete,
104 TP_PROTO(struct nvmet_req *req),
105 TP_ARGS(req),
106 TP_STRUCT__entry(
107 __field(struct nvmet_ctrl *, ctrl)
108 __array(char, disk, DISK_NAME_LEN)
109 __field(int, qid)
110 __field(int, cid)
111 __field(u64, result)
112 __field(u16, status)
113 ),
114 TP_fast_assign(
115 __entry->ctrl = nvmet_req_to_ctrl(req);
116 __entry->qid = req->cq->qid;
117 __entry->cid = req->cqe->command_id;
118 __entry->result = le64_to_cpu(req->cqe->result.u64);
119 __entry->status = le16_to_cpu(req->cqe->status) >> 1;
120 __assign_req_name(__entry->disk, req);
121 ),
122 TP_printk("nvmet%s: %sqid=%d, cmdid=%u, res=%#llx, status=%#x",
123 __print_ctrl_name(__entry->ctrl),
124 __print_disk_name(__entry->disk),
125 __entry->qid, __entry->cid, __entry->result, __entry->status)
126
127);
128
129#define aer_name(aer) { aer, #aer }
130
131TRACE_EVENT(nvmet_async_event,
132 TP_PROTO(struct nvmet_ctrl *ctrl, __le32 result),
133 TP_ARGS(ctrl, result),
134 TP_STRUCT__entry(
135 __field(int, ctrl_id)
136 __field(u32, result)
137 ),
138 TP_fast_assign(
139 __entry->ctrl_id = ctrl->cntlid;
140 __entry->result = (le32_to_cpu(result) & 0xff00) >> 8;
141 ),
142 TP_printk("nvmet%d: NVME_AEN=%#08x [%s]",
143 __entry->ctrl_id, __entry->result,
144 __print_symbolic(__entry->result,
145 aer_name(NVME_AER_NOTICE_NS_CHANGED),
146 aer_name(NVME_AER_NOTICE_ANA),
147 aer_name(NVME_AER_NOTICE_FW_ACT_STARTING),
148 aer_name(NVME_AER_NOTICE_DISC_CHANGED),
149 aer_name(NVME_AER_ERROR),
150 aer_name(NVME_AER_SMART),
151 aer_name(NVME_AER_CSS),
152 aer_name(NVME_AER_VS))
153 )
154);
155#undef aer_name
156
157#endif
158
159#undef TRACE_INCLUDE_PATH
160#define TRACE_INCLUDE_PATH .
161#undef TRACE_INCLUDE_FILE
162#define TRACE_INCLUDE_FILE trace
163
164
165#include <trace/define_trace.h>
166
