1
2
3
4
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_read_write(struct trace_seq *p, u8 *cdw10)
90{
91 const char *ret = trace_seq_buffer_ptr(p);
92 u64 slba = get_unaligned_le64(cdw10);
93 u16 length = get_unaligned_le16(cdw10 + 8);
94 u16 control = get_unaligned_le16(cdw10 + 10);
95 u32 dsmgmt = get_unaligned_le32(cdw10 + 12);
96 u32 reftag = get_unaligned_le32(cdw10 + 16);
97
98 trace_seq_printf(p,
99 "slba=%llu, len=%u, ctrl=0x%x, dsmgmt=%u, reftag=%u",
100 slba, length, control, dsmgmt, reftag);
101 trace_seq_putc(p, 0);
102
103 return ret;
104}
105
106static const char *nvme_trace_dsm(struct trace_seq *p, u8 *cdw10)
107{
108 const char *ret = trace_seq_buffer_ptr(p);
109
110 trace_seq_printf(p, "nr=%u, attributes=%u",
111 get_unaligned_le32(cdw10),
112 get_unaligned_le32(cdw10 + 4));
113 trace_seq_putc(p, 0);
114
115 return ret;
116}
117
118static const char *nvme_trace_common(struct trace_seq *p, u8 *cdw10)
119{
120 const char *ret = trace_seq_buffer_ptr(p);
121
122 trace_seq_printf(p, "cdw10=%*ph", 24, cdw10);
123 trace_seq_putc(p, 0);
124
125 return ret;
126}
127
128const char *nvme_trace_parse_admin_cmd(struct trace_seq *p,
129 u8 opcode, u8 *cdw10)
130{
131 switch (opcode) {
132 case nvme_admin_delete_sq:
133 return nvme_trace_delete_sq(p, cdw10);
134 case nvme_admin_create_sq:
135 return nvme_trace_create_sq(p, cdw10);
136 case nvme_admin_delete_cq:
137 return nvme_trace_delete_cq(p, cdw10);
138 case nvme_admin_create_cq:
139 return nvme_trace_create_cq(p, cdw10);
140 case nvme_admin_identify:
141 return nvme_trace_admin_identify(p, cdw10);
142 case nvme_admin_get_features:
143 return nvme_trace_admin_get_features(p, cdw10);
144 default:
145 return nvme_trace_common(p, cdw10);
146 }
147}
148
149const char *nvme_trace_parse_nvm_cmd(struct trace_seq *p,
150 u8 opcode, u8 *cdw10)
151{
152 switch (opcode) {
153 case nvme_cmd_read:
154 case nvme_cmd_write:
155 case nvme_cmd_write_zeroes:
156 return nvme_trace_read_write(p, cdw10);
157 case nvme_cmd_dsm:
158 return nvme_trace_dsm(p, cdw10);
159 default:
160 return nvme_trace_common(p, cdw10);
161 }
162}
163
164static const char *nvme_trace_fabrics_property_set(struct trace_seq *p, u8 *spc)
165{
166 const char *ret = trace_seq_buffer_ptr(p);
167 u8 attrib = spc[0];
168 u32 ofst = get_unaligned_le32(spc + 4);
169 u64 value = get_unaligned_le64(spc + 8);
170
171 trace_seq_printf(p, "attrib=%u, ofst=0x%x, value=0x%llx",
172 attrib, ofst, value);
173 trace_seq_putc(p, 0);
174 return ret;
175}
176
177static const char *nvme_trace_fabrics_connect(struct trace_seq *p, u8 *spc)
178{
179 const char *ret = trace_seq_buffer_ptr(p);
180 u16 recfmt = get_unaligned_le16(spc);
181 u16 qid = get_unaligned_le16(spc + 2);
182 u16 sqsize = get_unaligned_le16(spc + 4);
183 u8 cattr = spc[6];
184 u32 kato = get_unaligned_le32(spc + 8);
185
186 trace_seq_printf(p, "recfmt=%u, qid=%u, sqsize=%u, cattr=%u, kato=%u",
187 recfmt, qid, sqsize, cattr, kato);
188 trace_seq_putc(p, 0);
189 return ret;
190}
191
192static const char *nvme_trace_fabrics_property_get(struct trace_seq *p, u8 *spc)
193{
194 const char *ret = trace_seq_buffer_ptr(p);
195 u8 attrib = spc[0];
196 u32 ofst = get_unaligned_le32(spc + 4);
197
198 trace_seq_printf(p, "attrib=%u, ofst=0x%x", attrib, ofst);
199 trace_seq_putc(p, 0);
200 return ret;
201}
202
203static const char *nvme_trace_fabrics_common(struct trace_seq *p, u8 *spc)
204{
205 const char *ret = trace_seq_buffer_ptr(p);
206
207 trace_seq_printf(p, "specific=%*ph", 24, spc);
208 trace_seq_putc(p, 0);
209 return ret;
210}
211
212const char *nvme_trace_parse_fabrics_cmd(struct trace_seq *p,
213 u8 fctype, u8 *spc)
214{
215 switch (fctype) {
216 case nvme_fabrics_type_property_set:
217 return nvme_trace_fabrics_property_set(p, spc);
218 case nvme_fabrics_type_connect:
219 return nvme_trace_fabrics_connect(p, spc);
220 case nvme_fabrics_type_property_get:
221 return nvme_trace_fabrics_property_get(p, spc);
222 default:
223 return nvme_trace_fabrics_common(p, spc);
224 }
225}
226
227const char *nvme_trace_disk_name(struct trace_seq *p, char *name)
228{
229 const char *ret = trace_seq_buffer_ptr(p);
230
231 if (*name)
232 trace_seq_printf(p, "disk=%s, ", name);
233 trace_seq_putc(p, 0);
234
235 return ret;
236}
237
238EXPORT_TRACEPOINT_SYMBOL_GPL(nvme_sq);
239
