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 const char *ret = trace_seq_buffer_ptr(p);
168 u64 slba = get_unaligned_le64(cdw10);
172 trace_seq_printf(p, "slba=%llu, zsa=%u, all=%u", slba, zsa, all);
173 trace_seq_putc(p, 0);
178 static const char *nvme_trace_zone_mgmt_recv(struct trace_seq *p, u8 *cdw10)
180 const char *ret = trace_seq_buffer_ptr(p);
181 u64 slba = get_unaligned_le64(cdw10);
182 u32 numd = get_unaligned_le32(cdw10 + 8);
184 u8 zrasf = cdw10[13];
187 trace_seq_printf(p, "slba=%llu, numd=%u, zra=%u, zrasf=%u, pr=%u",
188 slba, numd, zra, zrasf, pr);
189 trace_seq_putc(p, 0);
194 static const char *nvme_trace_common(struct trace_seq *p, u8 *cdw10)
196 const char *ret = trace_seq_buffer_ptr(p);
198 trace_seq_printf(p, "cdw10=%*ph", 24, cdw10);
199 trace_seq_putc(p, 0);
204 const char *nvme_trace_parse_admin_cmd(struct trace_seq *p,
205 u8 opcode, u8 *cdw10)
208 case nvme_admin_delete_sq:
209 return nvme_trace_delete_sq(p, cdw10);
210 case nvme_admin_create_sq:
211 return nvme_trace_create_sq(p, cdw10);
212 case nvme_admin_delete_cq:
213 return nvme_trace_delete_cq(p, cdw10);
214 case nvme_admin_create_cq:
215 return nvme_trace_create_cq(p, cdw10);
216 case nvme_admin_identify:
217 return nvme_trace_admin_identify(p, cdw10);
218 case nvme_admin_set_features:
219 return nvme_trace_admin_set_features(p, cdw10);
220 case nvme_admin_get_features:
221 return nvme_trace_admin_get_features(p, cdw10);
222 case nvme_admin_get_lba_status:
223 return nvme_trace_get_lba_status(p, cdw10);
224 case nvme_admin_format_nvm:
225 return nvme_trace_admin_format_nvm(p, cdw10);
227 return nvme_trace_common(p, cdw10);
231 const char *nvme_trace_parse_nvm_cmd(struct trace_seq *p,
232 u8 opcode, u8 *cdw10)
237 case nvme_cmd_write_zeroes:
238 case nvme_cmd_zone_append:
239 return nvme_trace_read_write(p, cdw10);
241 return nvme_trace_dsm(p, cdw10);
242 case nvme_cmd_zone_mgmt_send:
243 return nvme_trace_zone_mgmt_send(p, cdw10);
244 case nvme_cmd_zone_mgmt_recv:
245 return nvme_trace_zone_mgmt_recv(p, cdw10);
247 return nvme_trace_common(p, cdw10);
251 static const char *nvme_trace_fabrics_property_set(struct trace_seq *p, u8 *spc)
253 const char *ret = trace_seq_buffer_ptr(p);
255 u32 ofst = get_unaligned_le32(spc + 4);
256 u64 value = get_unaligned_le64(spc + 8);
258 trace_seq_printf(p, "attrib=%u, ofst=0x%x, value=0x%llx",
259 attrib, ofst, value);
260 trace_seq_putc(p, 0);
264 static const char *nvme_trace_fabrics_connect(struct trace_seq *p, u8 *spc)
266 const char *ret = trace_seq_buffer_ptr(p);
267 u16 recfmt = get_unaligned_le16(spc);
268 u16 qid = get_unaligned_le16(spc + 2);
269 u16 sqsize = get_unaligned_le16(spc + 4);
271 u32 kato = get_unaligned_le32(spc + 8);
273 trace_seq_printf(p, "recfmt=%u, qid=%u, sqsize=%u, cattr=%u, kato=%u",
274 recfmt, qid, sqsize, cattr, kato);
275 trace_seq_putc(p, 0);
279 static const char *nvme_trace_fabrics_property_get(struct trace_seq *p, u8 *spc)
281 const char *ret = trace_seq_buffer_ptr(p);
283 u32 ofst = get_unaligned_le32(spc + 4);
285 trace_seq_printf(p, "attrib=%u, ofst=0x%x", attrib, ofst);
286 trace_seq_putc(p, 0);
290 static const char *nvme_trace_fabrics_common(struct trace_seq *p, u8 *spc)
292 const char *ret = trace_seq_buffer_ptr(p);
294 trace_seq_printf(p, "specific=%*ph", 24, spc);
295 trace_seq_putc(p, 0);
299 const char *nvme_trace_parse_fabrics_cmd(struct trace_seq *p,
303 case nvme_fabrics_type_property_set:
304 return nvme_trace_fabrics_property_set(p, spc);
305 case nvme_fabrics_type_connect:
306 return nvme_trace_fabrics_connect(p, spc);
307 case nvme_fabrics_type_property_get:
308 return nvme_trace_fabrics_property_get(p, spc);
310 return nvme_trace_fabrics_common(p, spc);
314 const char *nvme_trace_disk_name(struct trace_seq *p, char *name)
316 const char *ret = trace_seq_buffer_ptr(p);
319 trace_seq_printf(p, "disk=%s, ", name);
320 trace_seq_putc(p, 0);
325 EXPORT_TRACEPOINT_SYMBOL_GPL(nvme_sq);