1 // SPDX-License-Identifier: GPL-2.0
3 * NVM Express device driver tracepoints
4 * Copyright (c) 2018 Johannes Thumshirn, SUSE Linux GmbH
7 #include <asm/unaligned.h>
10 static const char *nvme_trace_delete_sq(struct trace_seq *p, u8 *cdw10)
12 const char *ret = trace_seq_buffer_ptr(p);
13 u16 sqid = get_unaligned_le16(cdw10);
15 trace_seq_printf(p, "sqid=%u", sqid);
21 static const char *nvme_trace_create_sq(struct trace_seq *p, u8 *cdw10)
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);
30 trace_seq_printf(p, "sqid=%u, qsize=%u, sq_flags=0x%x, cqid=%u",
31 sqid, qsize, sq_flags, cqid);
37 static const char *nvme_trace_delete_cq(struct trace_seq *p, u8 *cdw10)
39 const char *ret = trace_seq_buffer_ptr(p);
40 u16 cqid = get_unaligned_le16(cdw10);
42 trace_seq_printf(p, "cqid=%u", cqid);
48 static const char *nvme_trace_create_cq(struct trace_seq *p, u8 *cdw10)
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);
56 trace_seq_printf(p, "cqid=%u, qsize=%u, cq_flags=0x%x, irq_vector=%u",
57 cqid, qsize, cq_flags, irq_vector);
63 static const char *nvme_trace_admin_identify(struct trace_seq *p, u8 *cdw10)
65 const char *ret = trace_seq_buffer_ptr(p);
67 u16 ctrlid = get_unaligned_le16(cdw10 + 2);
69 trace_seq_printf(p, "cns=%u, ctrlid=%u", cns, ctrlid);
75 static const char *nvme_trace_admin_set_features(struct trace_seq *p,
78 const char *ret = trace_seq_buffer_ptr(p);
80 u8 sv = cdw10[3] & 0x8;
81 u32 cdw11 = get_unaligned_le32(cdw10 + 4);
83 trace_seq_printf(p, "fid=0x%x, sv=0x%x, cdw11=0x%x", fid, sv, cdw11);
89 static const char *nvme_trace_admin_get_features(struct trace_seq *p,
92 const char *ret = trace_seq_buffer_ptr(p);
94 u8 sel = cdw10[1] & 0x7;
95 u32 cdw11 = get_unaligned_le32(cdw10 + 4);
97 trace_seq_printf(p, "fid=0x%x, sel=0x%x, cdw11=0x%x", fid, sel, cdw11);
103 static const char *nvme_trace_get_lba_status(struct trace_seq *p,
106 const char *ret = trace_seq_buffer_ptr(p);
107 u64 slba = get_unaligned_le64(cdw10);
108 u32 mndw = get_unaligned_le32(cdw10 + 8);
109 u16 rl = get_unaligned_le16(cdw10 + 12);
110 u8 atype = cdw10[15];
112 trace_seq_printf(p, "slba=0x%llx, mndw=0x%x, rl=0x%x, atype=%u",
113 slba, mndw, rl, atype);
114 trace_seq_putc(p, 0);
119 static const char *nvme_trace_admin_format_nvm(struct trace_seq *p, u8 *cdw10)
121 const char *ret = trace_seq_buffer_ptr(p);
122 u8 lbaf = cdw10[0] & 0xF;
123 u8 mset = (cdw10[0] >> 4) & 0x1;
124 u8 pi = (cdw10[0] >> 5) & 0x7;
125 u8 pil = cdw10[1] & 0x1;
126 u8 ses = (cdw10[1] >> 1) & 0x7;
128 trace_seq_printf(p, "lbaf=%u, mset=%u, pi=%u, pil=%u, ses=%u",
129 lbaf, mset, pi, pil, ses);
131 trace_seq_putc(p, 0);
136 static const char *nvme_trace_read_write(struct trace_seq *p, u8 *cdw10)
138 const char *ret = trace_seq_buffer_ptr(p);
139 u64 slba = get_unaligned_le64(cdw10);
140 u16 length = get_unaligned_le16(cdw10 + 8);
141 u16 control = get_unaligned_le16(cdw10 + 10);
142 u32 dsmgmt = get_unaligned_le32(cdw10 + 12);
143 u32 reftag = get_unaligned_le32(cdw10 + 16);
146 "slba=%llu, len=%u, ctrl=0x%x, dsmgmt=%u, reftag=%u",
147 slba, length, control, dsmgmt, reftag);
148 trace_seq_putc(p, 0);
153 static const char *nvme_trace_dsm(struct trace_seq *p, u8 *cdw10)
155 const char *ret = trace_seq_buffer_ptr(p);
157 trace_seq_printf(p, "nr=%u, attributes=%u",
158 get_unaligned_le32(cdw10),
159 get_unaligned_le32(cdw10 + 4));
160 trace_seq_putc(p, 0);
165 static const char *nvme_trace_zone_mgmt_send(struct trace_seq *p, u8 *cdw10)
167 static const char * const zsa_strs[] = {
168 [0x01] = "close zone",
169 [0x02] = "finish zone",
170 [0x03] = "open zone",
171 [0x04] = "reset zone",
172 [0x05] = "offline zone",
173 [0x10] = "set zone descriptor extension"
175 const char *ret = trace_seq_buffer_ptr(p);
176 u64 slba = get_unaligned_le64(cdw10);
181 if (zsa < ARRAY_SIZE(zsa_strs) && zsa_strs[zsa])
182 zsa_str = zsa_strs[zsa];
184 zsa_str = "reserved";
186 trace_seq_printf(p, "slba=%llu, zsa=%u:%s, all=%u",
187 slba, zsa, zsa_str, all);
188 trace_seq_putc(p, 0);
193 static const char *nvme_trace_zone_mgmt_recv(struct trace_seq *p, u8 *cdw10)
195 static const char * const zrasf_strs[] = {
196 [0x00] = "list all zones",
197 [0x01] = "list the zones in the ZSE: Empty state",
198 [0x02] = "list the zones in the ZSIO: Implicitly Opened state",
199 [0x03] = "list the zones in the ZSEO: Explicitly Opened state",
200 [0x04] = "list the zones in the ZSC: Closed state",
201 [0x05] = "list the zones in the ZSF: Full state",
202 [0x06] = "list the zones in the ZSRO: Read Only state",
203 [0x07] = "list the zones in the ZSO: Offline state",
204 [0x09] = "list the zones that have the zone attribute"
206 const char *ret = trace_seq_buffer_ptr(p);
207 u64 slba = get_unaligned_le64(cdw10);
208 u32 numd = get_unaligned_le32(cdw10 + 8);
210 u8 zrasf = cdw10[13];
211 const char *zrasf_str;
214 if (zrasf < ARRAY_SIZE(zrasf_strs) && zrasf_strs[zrasf])
215 zrasf_str = zrasf_strs[zrasf];
217 zrasf_str = "reserved";
219 trace_seq_printf(p, "slba=%llu, numd=%u, zra=%u, zrasf=%u:%s, pr=%u",
220 slba, numd, zra, zrasf, zrasf_str, pr);
221 trace_seq_putc(p, 0);
226 static const char *nvme_trace_common(struct trace_seq *p, u8 *cdw10)
228 const char *ret = trace_seq_buffer_ptr(p);
230 trace_seq_printf(p, "cdw10=%*ph", 24, cdw10);
231 trace_seq_putc(p, 0);
236 const char *nvme_trace_parse_admin_cmd(struct trace_seq *p,
237 u8 opcode, u8 *cdw10)
240 case nvme_admin_delete_sq:
241 return nvme_trace_delete_sq(p, cdw10);
242 case nvme_admin_create_sq:
243 return nvme_trace_create_sq(p, cdw10);
244 case nvme_admin_delete_cq:
245 return nvme_trace_delete_cq(p, cdw10);
246 case nvme_admin_create_cq:
247 return nvme_trace_create_cq(p, cdw10);
248 case nvme_admin_identify:
249 return nvme_trace_admin_identify(p, cdw10);
250 case nvme_admin_set_features:
251 return nvme_trace_admin_set_features(p, cdw10);
252 case nvme_admin_get_features:
253 return nvme_trace_admin_get_features(p, cdw10);
254 case nvme_admin_get_lba_status:
255 return nvme_trace_get_lba_status(p, cdw10);
256 case nvme_admin_format_nvm:
257 return nvme_trace_admin_format_nvm(p, cdw10);
259 return nvme_trace_common(p, cdw10);
263 const char *nvme_trace_parse_nvm_cmd(struct trace_seq *p,
264 u8 opcode, u8 *cdw10)
269 case nvme_cmd_write_zeroes:
270 case nvme_cmd_zone_append:
271 return nvme_trace_read_write(p, cdw10);
273 return nvme_trace_dsm(p, cdw10);
274 case nvme_cmd_zone_mgmt_send:
275 return nvme_trace_zone_mgmt_send(p, cdw10);
276 case nvme_cmd_zone_mgmt_recv:
277 return nvme_trace_zone_mgmt_recv(p, cdw10);
279 return nvme_trace_common(p, cdw10);
283 static const char *nvme_trace_fabrics_property_set(struct trace_seq *p, u8 *spc)
285 const char *ret = trace_seq_buffer_ptr(p);
287 u32 ofst = get_unaligned_le32(spc + 4);
288 u64 value = get_unaligned_le64(spc + 8);
290 trace_seq_printf(p, "attrib=%u, ofst=0x%x, value=0x%llx",
291 attrib, ofst, value);
292 trace_seq_putc(p, 0);
296 static const char *nvme_trace_fabrics_connect(struct trace_seq *p, u8 *spc)
298 const char *ret = trace_seq_buffer_ptr(p);
299 u16 recfmt = get_unaligned_le16(spc);
300 u16 qid = get_unaligned_le16(spc + 2);
301 u16 sqsize = get_unaligned_le16(spc + 4);
303 u32 kato = get_unaligned_le32(spc + 8);
305 trace_seq_printf(p, "recfmt=%u, qid=%u, sqsize=%u, cattr=%u, kato=%u",
306 recfmt, qid, sqsize, cattr, kato);
307 trace_seq_putc(p, 0);
311 static const char *nvme_trace_fabrics_property_get(struct trace_seq *p, u8 *spc)
313 const char *ret = trace_seq_buffer_ptr(p);
315 u32 ofst = get_unaligned_le32(spc + 4);
317 trace_seq_printf(p, "attrib=%u, ofst=0x%x", attrib, ofst);
318 trace_seq_putc(p, 0);
322 static const char *nvme_trace_fabrics_auth_send(struct trace_seq *p, u8 *spc)
324 const char *ret = trace_seq_buffer_ptr(p);
328 u32 tl = get_unaligned_le32(spc + 4);
330 trace_seq_printf(p, "spsp0=%02x, spsp1=%02x, secp=%02x, tl=%u",
331 spsp0, spsp1, secp, tl);
332 trace_seq_putc(p, 0);
336 static const char *nvme_trace_fabrics_auth_receive(struct trace_seq *p, u8 *spc)
338 const char *ret = trace_seq_buffer_ptr(p);
342 u32 al = get_unaligned_le32(spc + 4);
344 trace_seq_printf(p, "spsp0=%02x, spsp1=%02x, secp=%02x, al=%u",
345 spsp0, spsp1, secp, al);
346 trace_seq_putc(p, 0);
350 static const char *nvme_trace_fabrics_common(struct trace_seq *p, u8 *spc)
352 const char *ret = trace_seq_buffer_ptr(p);
354 trace_seq_printf(p, "specific=%*ph", 24, spc);
355 trace_seq_putc(p, 0);
359 const char *nvme_trace_parse_fabrics_cmd(struct trace_seq *p,
363 case nvme_fabrics_type_property_set:
364 return nvme_trace_fabrics_property_set(p, spc);
365 case nvme_fabrics_type_connect:
366 return nvme_trace_fabrics_connect(p, spc);
367 case nvme_fabrics_type_property_get:
368 return nvme_trace_fabrics_property_get(p, spc);
369 case nvme_fabrics_type_auth_send:
370 return nvme_trace_fabrics_auth_send(p, spc);
371 case nvme_fabrics_type_auth_receive:
372 return nvme_trace_fabrics_auth_receive(p, spc);
374 return nvme_trace_fabrics_common(p, spc);
378 const char *nvme_trace_disk_name(struct trace_seq *p, char *name)
380 const char *ret = trace_seq_buffer_ptr(p);
383 trace_seq_printf(p, "disk=%s, ", name);
384 trace_seq_putc(p, 0);
389 EXPORT_TRACEPOINT_SYMBOL_GPL(nvme_sq);