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_set_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 sv = cdw10[3] & 0x8; 81 u32 cdw11 = get_unaligned_le32(cdw10 + 4); 82 83 trace_seq_printf(p, "fid=0x%x, sv=0x%x, cdw11=0x%x", fid, sv, cdw11); 84 trace_seq_putc(p, 0); 85 86 return ret; 87} 88 89static const char *nvme_trace_admin_get_features(struct trace_seq *p, 90 u8 *cdw10) 91{ 92 const char *ret = trace_seq_buffer_ptr(p); 93 u8 fid = cdw10[0]; 94 u8 sel = cdw10[1] & 0x7; 95 u32 cdw11 = get_unaligned_le32(cdw10 + 4); 96 97 trace_seq_printf(p, "fid=0x%x, sel=0x%x, cdw11=0x%x", fid, sel, cdw11); 98 trace_seq_putc(p, 0); 99 100 return ret; 101} 102 103static const char *nvme_trace_get_lba_status(struct trace_seq *p, 104 u8 *cdw10) 105{ 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]; 111 112 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); 115 116 return ret; 117} 118 119static const char *nvme_trace_admin_format_nvm(struct trace_seq *p, u8 *cdw10) 120{ 121 const char *ret = trace_seq_buffer_ptr(p); 122 /* 123 * lbafu(bit 13:12) is already in the upper 4 bits, lbafl: bit 03:00. 124 */ 125 u8 lbaf = (cdw10[1] & 0x30) | (cdw10[0] & 0xF); 126 u8 mset = (cdw10[0] >> 4) & 0x1; 127 u8 pi = (cdw10[0] >> 5) & 0x7; 128 u8 pil = cdw10[1] & 0x1; 129 u8 ses = (cdw10[1] >> 1) & 0x7; 130 131 trace_seq_printf(p, "lbaf=%u, mset=%u, pi=%u, pil=%u, ses=%u", 132 lbaf, mset, pi, pil, ses); 133 134 trace_seq_putc(p, 0); 135 136 return ret; 137} 138 139static const char *nvme_trace_read_write(struct trace_seq *p, u8 *cdw10) 140{ 141 const char *ret = trace_seq_buffer_ptr(p); 142 u64 slba = get_unaligned_le64(cdw10); 143 u16 length = get_unaligned_le16(cdw10 + 8); 144 u16 control = get_unaligned_le16(cdw10 + 10); 145 u32 dsmgmt = get_unaligned_le32(cdw10 + 12); 146 u32 reftag = get_unaligned_le32(cdw10 + 16); 147 148 trace_seq_printf(p, 149 "slba=%llu, len=%u, ctrl=0x%x, dsmgmt=%u, reftag=%u", 150 slba, length, control, dsmgmt, reftag); 151 trace_seq_putc(p, 0); 152 153 return ret; 154} 155 156static const char *nvme_trace_dsm(struct trace_seq *p, u8 *cdw10) 157{ 158 const char *ret = trace_seq_buffer_ptr(p); 159 160 trace_seq_printf(p, "nr=%u, attributes=%u", 161 get_unaligned_le32(cdw10), 162 get_unaligned_le32(cdw10 + 4)); 163 trace_seq_putc(p, 0); 164 165 return ret; 166} 167 168static const char *nvme_trace_zone_mgmt_send(struct trace_seq *p, u8 *cdw10) 169{ 170 static const char * const zsa_strs[] = { 171 [0x01] = "close zone", 172 [0x02] = "finish zone", 173 [0x03] = "open zone", 174 [0x04] = "reset zone", 175 [0x05] = "offline zone", 176 [0x10] = "set zone descriptor extension" 177 }; 178 const char *ret = trace_seq_buffer_ptr(p); 179 u64 slba = get_unaligned_le64(cdw10); 180 const char *zsa_str; 181 u8 zsa = cdw10[12]; 182 u8 all = cdw10[13]; 183 184 if (zsa < ARRAY_SIZE(zsa_strs) && zsa_strs[zsa]) 185 zsa_str = zsa_strs[zsa]; 186 else 187 zsa_str = "reserved"; 188 189 trace_seq_printf(p, "slba=%llu, zsa=%u:%s, all=%u", 190 slba, zsa, zsa_str, all); 191 trace_seq_putc(p, 0); 192 193 return ret; 194} 195 196static const char *nvme_trace_zone_mgmt_recv(struct trace_seq *p, u8 *cdw10) 197{ 198 static const char * const zrasf_strs[] = { 199 [0x00] = "list all zones", 200 [0x01] = "list the zones in the ZSE: Empty state", 201 [0x02] = "list the zones in the ZSIO: Implicitly Opened state", 202 [0x03] = "list the zones in the ZSEO: Explicitly Opened state", 203 [0x04] = "list the zones in the ZSC: Closed state", 204 [0x05] = "list the zones in the ZSF: Full state", 205 [0x06] = "list the zones in the ZSRO: Read Only state", 206 [0x07] = "list the zones in the ZSO: Offline state", 207 [0x09] = "list the zones that have the zone attribute" 208 }; 209 const char *ret = trace_seq_buffer_ptr(p); 210 u64 slba = get_unaligned_le64(cdw10); 211 u32 numd = get_unaligned_le32(cdw10 + 8); 212 u8 zra = cdw10[12]; 213 u8 zrasf = cdw10[13]; 214 const char *zrasf_str; 215 u8 pr = cdw10[14]; 216 217 if (zrasf < ARRAY_SIZE(zrasf_strs) && zrasf_strs[zrasf]) 218 zrasf_str = zrasf_strs[zrasf]; 219 else 220 zrasf_str = "reserved"; 221 222 trace_seq_printf(p, "slba=%llu, numd=%u, zra=%u, zrasf=%u:%s, pr=%u", 223 slba, numd, zra, zrasf, zrasf_str, pr); 224 trace_seq_putc(p, 0); 225 226 return ret; 227} 228 229static const char *nvme_trace_resv_reg(struct trace_seq *p, u8 *cdw10) 230{ 231 const char *ret = trace_seq_buffer_ptr(p); 232 u8 rrega = cdw10[0] & 0x7; 233 u8 iekey = (cdw10[0] >> 3) & 0x1; 234 u8 ptpl = (cdw10[3] >> 6) & 0x3; 235 236 trace_seq_printf(p, "rrega=%u, iekey=%u, ptpl=%u", 237 rrega, iekey, ptpl); 238 trace_seq_putc(p, 0); 239 240 return ret; 241} 242 243static const char *nvme_trace_resv_acq(struct trace_seq *p, u8 *cdw10) 244{ 245 const char *ret = trace_seq_buffer_ptr(p); 246 u8 racqa = cdw10[0] & 0x7; 247 u8 iekey = (cdw10[0] >> 3) & 0x1; 248 u8 rtype = cdw10[1]; 249 250 trace_seq_printf(p, "racqa=%u, iekey=%u, rtype=%u", 251 racqa, iekey, rtype); 252 trace_seq_putc(p, 0); 253 254 return ret; 255} 256 257static const char *nvme_trace_resv_rel(struct trace_seq *p, u8 *cdw10) 258{ 259 const char *ret = trace_seq_buffer_ptr(p); 260 u8 rrela = cdw10[0] & 0x7; 261 u8 iekey = (cdw10[0] >> 3) & 0x1; 262 u8 rtype = cdw10[1]; 263 264 trace_seq_printf(p, "rrela=%u, iekey=%u, rtype=%u", 265 rrela, iekey, rtype); 266 trace_seq_putc(p, 0); 267 268 return ret; 269} 270 271static const char *nvme_trace_resv_report(struct trace_seq *p, u8 *cdw10) 272{ 273 const char *ret = trace_seq_buffer_ptr(p); 274 u32 numd = get_unaligned_le32(cdw10); 275 u8 eds = cdw10[4] & 0x1; 276 277 trace_seq_printf(p, "numd=%u, eds=%u", numd, eds); 278 trace_seq_putc(p, 0); 279 280 return ret; 281} 282 283static const char *nvme_trace_common(struct trace_seq *p, u8 *cdw10) 284{ 285 const char *ret = trace_seq_buffer_ptr(p); 286 287 trace_seq_printf(p, "cdw10=%*ph", 24, cdw10); 288 trace_seq_putc(p, 0); 289 290 return ret; 291} 292 293const char *nvme_trace_parse_admin_cmd(struct trace_seq *p, 294 u8 opcode, u8 *cdw10) 295{ 296 switch (opcode) { 297 case nvme_admin_delete_sq: 298 return nvme_trace_delete_sq(p, cdw10); 299 case nvme_admin_create_sq: 300 return nvme_trace_create_sq(p, cdw10); 301 case nvme_admin_delete_cq: 302 return nvme_trace_delete_cq(p, cdw10); 303 case nvme_admin_create_cq: 304 return nvme_trace_create_cq(p, cdw10); 305 case nvme_admin_identify: 306 return nvme_trace_admin_identify(p, cdw10); 307 case nvme_admin_set_features: 308 return nvme_trace_admin_set_features(p, cdw10); 309 case nvme_admin_get_features: 310 return nvme_trace_admin_get_features(p, cdw10); 311 case nvme_admin_get_lba_status: 312 return nvme_trace_get_lba_status(p, cdw10); 313 case nvme_admin_format_nvm: 314 return nvme_trace_admin_format_nvm(p, cdw10); 315 default: 316 return nvme_trace_common(p, cdw10); 317 } 318} 319 320const char *nvme_trace_parse_nvm_cmd(struct trace_seq *p, 321 u8 opcode, u8 *cdw10) 322{ 323 switch (opcode) { 324 case nvme_cmd_read: 325 case nvme_cmd_write: 326 case nvme_cmd_write_zeroes: 327 case nvme_cmd_zone_append: 328 return nvme_trace_read_write(p, cdw10); 329 case nvme_cmd_dsm: 330 return nvme_trace_dsm(p, cdw10); 331 case nvme_cmd_zone_mgmt_send: 332 return nvme_trace_zone_mgmt_send(p, cdw10); 333 case nvme_cmd_zone_mgmt_recv: 334 return nvme_trace_zone_mgmt_recv(p, cdw10); 335 case nvme_cmd_resv_register: 336 return nvme_trace_resv_reg(p, cdw10); 337 case nvme_cmd_resv_acquire: 338 return nvme_trace_resv_acq(p, cdw10); 339 case nvme_cmd_resv_release: 340 return nvme_trace_resv_rel(p, cdw10); 341 case nvme_cmd_resv_report: 342 return nvme_trace_resv_report(p, cdw10); 343 default: 344 return nvme_trace_common(p, cdw10); 345 } 346} 347 348static const char *nvme_trace_fabrics_property_set(struct trace_seq *p, u8 *spc) 349{ 350 const char *ret = trace_seq_buffer_ptr(p); 351 u8 attrib = spc[0]; 352 u32 ofst = get_unaligned_le32(spc + 4); 353 u64 value = get_unaligned_le64(spc + 8); 354 355 trace_seq_printf(p, "attrib=%u, ofst=0x%x, value=0x%llx", 356 attrib, ofst, value); 357 trace_seq_putc(p, 0); 358 return ret; 359} 360 361static const char *nvme_trace_fabrics_connect(struct trace_seq *p, u8 *spc) 362{ 363 const char *ret = trace_seq_buffer_ptr(p); 364 u16 recfmt = get_unaligned_le16(spc); 365 u16 qid = get_unaligned_le16(spc + 2); 366 u16 sqsize = get_unaligned_le16(spc + 4); 367 u8 cattr = spc[6]; 368 u32 kato = get_unaligned_le32(spc + 8); 369 370 trace_seq_printf(p, "recfmt=%u, qid=%u, sqsize=%u, cattr=%u, kato=%u", 371 recfmt, qid, sqsize, cattr, kato); 372 trace_seq_putc(p, 0); 373 return ret; 374} 375 376static const char *nvme_trace_fabrics_property_get(struct trace_seq *p, u8 *spc) 377{ 378 const char *ret = trace_seq_buffer_ptr(p); 379 u8 attrib = spc[0]; 380 u32 ofst = get_unaligned_le32(spc + 4); 381 382 trace_seq_printf(p, "attrib=%u, ofst=0x%x", attrib, ofst); 383 trace_seq_putc(p, 0); 384 return ret; 385} 386 387static const char *nvme_trace_fabrics_auth_send(struct trace_seq *p, u8 *spc) 388{ 389 const char *ret = trace_seq_buffer_ptr(p); 390 u8 spsp0 = spc[1]; 391 u8 spsp1 = spc[2]; 392 u8 secp = spc[3]; 393 u32 tl = get_unaligned_le32(spc + 4); 394 395 trace_seq_printf(p, "spsp0=%02x, spsp1=%02x, secp=%02x, tl=%u", 396 spsp0, spsp1, secp, tl); 397 trace_seq_putc(p, 0); 398 return ret; 399} 400 401static const char *nvme_trace_fabrics_auth_receive(struct trace_seq *p, u8 *spc) 402{ 403 const char *ret = trace_seq_buffer_ptr(p); 404 u8 spsp0 = spc[1]; 405 u8 spsp1 = spc[2]; 406 u8 secp = spc[3]; 407 u32 al = get_unaligned_le32(spc + 4); 408 409 trace_seq_printf(p, "spsp0=%02x, spsp1=%02x, secp=%02x, al=%u", 410 spsp0, spsp1, secp, al); 411 trace_seq_putc(p, 0); 412 return ret; 413} 414 415static const char *nvme_trace_fabrics_common(struct trace_seq *p, u8 *spc) 416{ 417 const char *ret = trace_seq_buffer_ptr(p); 418 419 trace_seq_printf(p, "specific=%*ph", 24, spc); 420 trace_seq_putc(p, 0); 421 return ret; 422} 423 424const char *nvme_trace_parse_fabrics_cmd(struct trace_seq *p, 425 u8 fctype, u8 *spc) 426{ 427 switch (fctype) { 428 case nvme_fabrics_type_property_set: 429 return nvme_trace_fabrics_property_set(p, spc); 430 case nvme_fabrics_type_connect: 431 return nvme_trace_fabrics_connect(p, spc); 432 case nvme_fabrics_type_property_get: 433 return nvme_trace_fabrics_property_get(p, spc); 434 case nvme_fabrics_type_auth_send: 435 return nvme_trace_fabrics_auth_send(p, spc); 436 case nvme_fabrics_type_auth_receive: 437 return nvme_trace_fabrics_auth_receive(p, spc); 438 default: 439 return nvme_trace_fabrics_common(p, spc); 440 } 441} 442 443const char *nvme_trace_disk_name(struct trace_seq *p, char *name) 444{ 445 const char *ret = trace_seq_buffer_ptr(p); 446 447 if (*name) 448 trace_seq_printf(p, "disk=%s, ", name); 449 trace_seq_putc(p, 0); 450 451 return ret; 452} 453 454EXPORT_TRACEPOINT_SYMBOL_GPL(nvme_sq); 455