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1// SPDX-License-Identifier: GPL-2.0
2/*
3 * NVM Express device driver tracepoints
4 * Copyright (c) 2018 Johannes Thumshirn, SUSE Linux GmbH
5 */
6
7#include <asm/unaligned.h>
8#include "trace.h"
9
10static const char *nvme_trace_delete_sq(struct trace_seq *p, u8 *cdw10)
11{
12 const char *ret = trace_seq_buffer_ptr(p);
13 u16 sqid = get_unaligned_le16(cdw10);
14
15 trace_seq_printf(p, "sqid=%u", sqid);
16 trace_seq_putc(p, 0);
17
18 return ret;
19}
20
21static const char *nvme_trace_create_sq(struct trace_seq *p, u8 *cdw10)
22{
23 const char *ret = trace_seq_buffer_ptr(p);
24 u16 sqid = get_unaligned_le16(cdw10);
25 u16 qsize = get_unaligned_le16(cdw10 + 2);
26 u16 sq_flags = get_unaligned_le16(cdw10 + 4);
27 u16 cqid = get_unaligned_le16(cdw10 + 6);
28
29
30 trace_seq_printf(p, "sqid=%u, qsize=%u, sq_flags=0x%x, cqid=%u",
31 sqid, qsize, sq_flags, cqid);
32 trace_seq_putc(p, 0);
33
34 return ret;
35}
36
37static const char *nvme_trace_delete_cq(struct trace_seq *p, u8 *cdw10)
38{
39 const char *ret = trace_seq_buffer_ptr(p);
40 u16 cqid = get_unaligned_le16(cdw10);
41
42 trace_seq_printf(p, "cqid=%u", cqid);
43 trace_seq_putc(p, 0);
44
45 return ret;
46}
47
48static const char *nvme_trace_create_cq(struct trace_seq *p, u8 *cdw10)
49{
50 const char *ret = trace_seq_buffer_ptr(p);
51 u16 cqid = get_unaligned_le16(cdw10);
52 u16 qsize = get_unaligned_le16(cdw10 + 2);
53 u16 cq_flags = get_unaligned_le16(cdw10 + 4);
54 u16 irq_vector = get_unaligned_le16(cdw10 + 6);
55
56 trace_seq_printf(p, "cqid=%u, qsize=%u, cq_flags=0x%x, irq_vector=%u",
57 cqid, qsize, cq_flags, irq_vector);
58 trace_seq_putc(p, 0);
59
60 return ret;
61}
62
63static const char *nvme_trace_admin_identify(struct trace_seq *p, u8 *cdw10)
64{
65 const char *ret = trace_seq_buffer_ptr(p);
66 u8 cns = cdw10[0];
67 u16 ctrlid = get_unaligned_le16(cdw10 + 2);
68
69 trace_seq_printf(p, "cns=%u, ctrlid=%u", cns, ctrlid);
70 trace_seq_putc(p, 0);
71
72 return ret;
73}
74
75static const char *nvme_trace_admin_get_features(struct trace_seq *p,
76 u8 *cdw10)
77{
78 const char *ret = trace_seq_buffer_ptr(p);
79 u8 fid = cdw10[0];
80 u8 sel = cdw10[1] & 0x7;
81 u32 cdw11 = get_unaligned_le32(cdw10 + 4);
82
83 trace_seq_printf(p, "fid=0x%x sel=0x%x cdw11=0x%x", fid, sel, cdw11);
84 trace_seq_putc(p, 0);
85
86 return ret;
87}
88
89static const char *nvme_trace_get_lba_status(struct trace_seq *p,
90 u8 *cdw10)
91{
92 const char *ret = trace_seq_buffer_ptr(p);
93 u64 slba = get_unaligned_le64(cdw10);
94 u32 mndw = get_unaligned_le32(cdw10 + 8);
95 u16 rl = get_unaligned_le16(cdw10 + 12);
96 u8 atype = cdw10[15];
97
98 trace_seq_printf(p, "slba=0x%llx, mndw=0x%x, rl=0x%x, atype=%u",
99 slba, mndw, rl, atype);
100 trace_seq_putc(p, 0);
101
102 return ret;
103}
104
105static const char *nvme_trace_read_write(struct trace_seq *p, u8 *cdw10)
106{
107 const char *ret = trace_seq_buffer_ptr(p);
108 u64 slba = get_unaligned_le64(cdw10);
109 u16 length = get_unaligned_le16(cdw10 + 8);
110 u16 control = get_unaligned_le16(cdw10 + 10);
111 u32 dsmgmt = get_unaligned_le32(cdw10 + 12);
112 u32 reftag = get_unaligned_le32(cdw10 + 16);
113
114 trace_seq_printf(p,
115 "slba=%llu, len=%u, ctrl=0x%x, dsmgmt=%u, reftag=%u",
116 slba, length, control, dsmgmt, reftag);
117 trace_seq_putc(p, 0);
118
119 return ret;
120}
121
122static const char *nvme_trace_dsm(struct trace_seq *p, u8 *cdw10)
123{
124 const char *ret = trace_seq_buffer_ptr(p);
125
126 trace_seq_printf(p, "nr=%u, attributes=%u",
127 get_unaligned_le32(cdw10),
128 get_unaligned_le32(cdw10 + 4));
129 trace_seq_putc(p, 0);
130
131 return ret;
132}
133
134static const char *nvme_trace_common(struct trace_seq *p, u8 *cdw10)
135{
136 const char *ret = trace_seq_buffer_ptr(p);
137
138 trace_seq_printf(p, "cdw10=%*ph", 24, cdw10);
139 trace_seq_putc(p, 0);
140
141 return ret;
142}
143
144const char *nvme_trace_parse_admin_cmd(struct trace_seq *p,
145 u8 opcode, u8 *cdw10)
146{
147 switch (opcode) {
148 case nvme_admin_delete_sq:
149 return nvme_trace_delete_sq(p, cdw10);
150 case nvme_admin_create_sq:
151 return nvme_trace_create_sq(p, cdw10);
152 case nvme_admin_delete_cq:
153 return nvme_trace_delete_cq(p, cdw10);
154 case nvme_admin_create_cq:
155 return nvme_trace_create_cq(p, cdw10);
156 case nvme_admin_identify:
157 return nvme_trace_admin_identify(p, cdw10);
158 case nvme_admin_get_features:
159 return nvme_trace_admin_get_features(p, cdw10);
160 case nvme_admin_get_lba_status:
161 return nvme_trace_get_lba_status(p, cdw10);
162 default:
163 return nvme_trace_common(p, cdw10);
164 }
165}
166
167const char *nvme_trace_parse_nvm_cmd(struct trace_seq *p,
168 u8 opcode, u8 *cdw10)
169{
170 switch (opcode) {
171 case nvme_cmd_read:
172 case nvme_cmd_write:
173 case nvme_cmd_write_zeroes:
174 return nvme_trace_read_write(p, cdw10);
175 case nvme_cmd_dsm:
176 return nvme_trace_dsm(p, cdw10);
177 default:
178 return nvme_trace_common(p, cdw10);
179 }
180}
181
182static const char *nvme_trace_fabrics_property_set(struct trace_seq *p, u8 *spc)
183{
184 const char *ret = trace_seq_buffer_ptr(p);
185 u8 attrib = spc[0];
186 u32 ofst = get_unaligned_le32(spc + 4);
187 u64 value = get_unaligned_le64(spc + 8);
188
189 trace_seq_printf(p, "attrib=%u, ofst=0x%x, value=0x%llx",
190 attrib, ofst, value);
191 trace_seq_putc(p, 0);
192 return ret;
193}
194
195static const char *nvme_trace_fabrics_connect(struct trace_seq *p, u8 *spc)
196{
197 const char *ret = trace_seq_buffer_ptr(p);
198 u16 recfmt = get_unaligned_le16(spc);
199 u16 qid = get_unaligned_le16(spc + 2);
200 u16 sqsize = get_unaligned_le16(spc + 4);
201 u8 cattr = spc[6];
202 u32 kato = get_unaligned_le32(spc + 8);
203
204 trace_seq_printf(p, "recfmt=%u, qid=%u, sqsize=%u, cattr=%u, kato=%u",
205 recfmt, qid, sqsize, cattr, kato);
206 trace_seq_putc(p, 0);
207 return ret;
208}
209
210static const char *nvme_trace_fabrics_property_get(struct trace_seq *p, u8 *spc)
211{
212 const char *ret = trace_seq_buffer_ptr(p);
213 u8 attrib = spc[0];
214 u32 ofst = get_unaligned_le32(spc + 4);
215
216 trace_seq_printf(p, "attrib=%u, ofst=0x%x", attrib, ofst);
217 trace_seq_putc(p, 0);
218 return ret;
219}
220
221static const char *nvme_trace_fabrics_common(struct trace_seq *p, u8 *spc)
222{
223 const char *ret = trace_seq_buffer_ptr(p);
224
225 trace_seq_printf(p, "specific=%*ph", 24, spc);
226 trace_seq_putc(p, 0);
227 return ret;
228}
229
230const char *nvme_trace_parse_fabrics_cmd(struct trace_seq *p,
231 u8 fctype, u8 *spc)
232{
233 switch (fctype) {
234 case nvme_fabrics_type_property_set:
235 return nvme_trace_fabrics_property_set(p, spc);
236 case nvme_fabrics_type_connect:
237 return nvme_trace_fabrics_connect(p, spc);
238 case nvme_fabrics_type_property_get:
239 return nvme_trace_fabrics_property_get(p, spc);
240 default:
241 return nvme_trace_fabrics_common(p, spc);
242 }
243}
244
245const char *nvme_trace_disk_name(struct trace_seq *p, char *name)
246{
247 const char *ret = trace_seq_buffer_ptr(p);
248
249 if (*name)
250 trace_seq_printf(p, "disk=%s, ", name);
251 trace_seq_putc(p, 0);
252
253 return ret;
254}
255
256EXPORT_TRACEPOINT_SYMBOL_GPL(nvme_sq);
1/*
2 * NVM Express device driver tracepoints
3 * Copyright (c) 2018 Johannes Thumshirn, SUSE Linux GmbH
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 */
14
15#include <asm/unaligned.h>
16#include "trace.h"
17
18static const char *nvme_trace_create_sq(struct trace_seq *p, u8 *cdw10)
19{
20 const char *ret = trace_seq_buffer_ptr(p);
21 u16 sqid = get_unaligned_le16(cdw10);
22 u16 qsize = get_unaligned_le16(cdw10 + 2);
23 u16 sq_flags = get_unaligned_le16(cdw10 + 4);
24 u16 cqid = get_unaligned_le16(cdw10 + 6);
25
26
27 trace_seq_printf(p, "sqid=%u, qsize=%u, sq_flags=0x%x, cqid=%u",
28 sqid, qsize, sq_flags, cqid);
29 trace_seq_putc(p, 0);
30
31 return ret;
32}
33
34static const char *nvme_trace_create_cq(struct trace_seq *p, u8 *cdw10)
35{
36 const char *ret = trace_seq_buffer_ptr(p);
37 u16 cqid = get_unaligned_le16(cdw10);
38 u16 qsize = get_unaligned_le16(cdw10 + 2);
39 u16 cq_flags = get_unaligned_le16(cdw10 + 4);
40 u16 irq_vector = get_unaligned_le16(cdw10 + 6);
41
42 trace_seq_printf(p, "cqid=%u, qsize=%u, cq_flags=0x%x, irq_vector=%u",
43 cqid, qsize, cq_flags, irq_vector);
44 trace_seq_putc(p, 0);
45
46 return ret;
47}
48
49static const char *nvme_trace_admin_identify(struct trace_seq *p, u8 *cdw10)
50{
51 const char *ret = trace_seq_buffer_ptr(p);
52 u8 cns = cdw10[0];
53 u16 ctrlid = get_unaligned_le16(cdw10 + 2);
54
55 trace_seq_printf(p, "cns=%u, ctrlid=%u", cns, ctrlid);
56 trace_seq_putc(p, 0);
57
58 return ret;
59}
60
61
62
63static const char *nvme_trace_read_write(struct trace_seq *p, u8 *cdw10)
64{
65 const char *ret = trace_seq_buffer_ptr(p);
66 u64 slba = get_unaligned_le64(cdw10);
67 u16 length = get_unaligned_le16(cdw10 + 8);
68 u16 control = get_unaligned_le16(cdw10 + 10);
69 u32 dsmgmt = get_unaligned_le32(cdw10 + 12);
70 u32 reftag = get_unaligned_le32(cdw10 + 16);
71
72 trace_seq_printf(p,
73 "slba=%llu, len=%u, ctrl=0x%x, dsmgmt=%u, reftag=%u",
74 slba, length, control, dsmgmt, reftag);
75 trace_seq_putc(p, 0);
76
77 return ret;
78}
79
80static const char *nvme_trace_dsm(struct trace_seq *p, u8 *cdw10)
81{
82 const char *ret = trace_seq_buffer_ptr(p);
83
84 trace_seq_printf(p, "nr=%u, attributes=%u",
85 get_unaligned_le32(cdw10),
86 get_unaligned_le32(cdw10 + 4));
87 trace_seq_putc(p, 0);
88
89 return ret;
90}
91
92static const char *nvme_trace_common(struct trace_seq *p, u8 *cdw10)
93{
94 const char *ret = trace_seq_buffer_ptr(p);
95
96 trace_seq_printf(p, "cdw10=%*ph", 24, cdw10);
97 trace_seq_putc(p, 0);
98
99 return ret;
100}
101
102const char *nvme_trace_parse_admin_cmd(struct trace_seq *p,
103 u8 opcode, u8 *cdw10)
104{
105 switch (opcode) {
106 case nvme_admin_create_sq:
107 return nvme_trace_create_sq(p, cdw10);
108 case nvme_admin_create_cq:
109 return nvme_trace_create_cq(p, cdw10);
110 case nvme_admin_identify:
111 return nvme_trace_admin_identify(p, cdw10);
112 default:
113 return nvme_trace_common(p, cdw10);
114 }
115}
116
117const char *nvme_trace_parse_nvm_cmd(struct trace_seq *p,
118 u8 opcode, u8 *cdw10)
119{
120 switch (opcode) {
121 case nvme_cmd_read:
122 case nvme_cmd_write:
123 case nvme_cmd_write_zeroes:
124 return nvme_trace_read_write(p, cdw10);
125 case nvme_cmd_dsm:
126 return nvme_trace_dsm(p, cdw10);
127 default:
128 return nvme_trace_common(p, cdw10);
129 }
130}