Commit | Line | Data |
---|---|---|
ca59c41c | 1 | // SPDX-License-Identifier: GPL-2.0 |
b3d5e3fd AK |
2 | /* |
3 | * nvme structure declarations and helper functions for the | |
4 | * io_uring_cmd engine. | |
5 | */ | |
6 | ||
7 | #include "nvme.h" | |
5163f35e | 8 | #include "../crc/crc-t10dif.h" |
08371767 | 9 | #include "../crc/crc64.h" |
b3d5e3fd | 10 | |
4885a6eb VF |
11 | static inline __u64 get_slba(struct nvme_data *data, struct io_u *io_u) |
12 | { | |
13 | if (data->lba_ext) | |
14 | return io_u->offset / data->lba_ext; | |
15 | else | |
16 | return io_u->offset >> data->lba_shift; | |
17 | } | |
18 | ||
19 | static inline __u32 get_nlb(struct nvme_data *data, struct io_u *io_u) | |
20 | { | |
21 | if (data->lba_ext) | |
22 | return io_u->xfer_buflen / data->lba_ext - 1; | |
23 | else | |
24 | return (io_u->xfer_buflen >> data->lba_shift) - 1; | |
25 | } | |
26 | ||
5163f35e AK |
27 | static void fio_nvme_generate_pi_16b_guard(struct nvme_data *data, |
28 | struct io_u *io_u, | |
29 | struct nvme_cmd_ext_io_opts *opts) | |
30 | { | |
31 | struct nvme_pi_data *pi_data = io_u->engine_data; | |
32 | struct nvme_16b_guard_pif *pi; | |
33 | unsigned char *buf = io_u->xfer_buf; | |
34 | unsigned char *md_buf = io_u->mmap_data; | |
35 | __u64 slba = get_slba(data, io_u); | |
36 | __u32 nlb = get_nlb(data, io_u) + 1; | |
37 | __u32 lba_num = 0; | |
38 | __u16 guard = 0; | |
39 | ||
40 | if (data->pi_loc) { | |
41 | if (data->lba_ext) | |
42 | pi_data->interval = data->lba_ext - data->ms; | |
43 | else | |
44 | pi_data->interval = 0; | |
45 | } else { | |
46 | if (data->lba_ext) | |
47 | pi_data->interval = data->lba_ext - sizeof(struct nvme_16b_guard_pif); | |
48 | else | |
49 | pi_data->interval = data->ms - sizeof(struct nvme_16b_guard_pif); | |
50 | } | |
51 | ||
52 | if (io_u->ddir != DDIR_WRITE) | |
53 | return; | |
54 | ||
55 | while (lba_num < nlb) { | |
56 | if (data->lba_ext) | |
57 | pi = (struct nvme_16b_guard_pif *)(buf + pi_data->interval); | |
58 | else | |
59 | pi = (struct nvme_16b_guard_pif *)(md_buf + pi_data->interval); | |
60 | ||
61 | if (opts->io_flags & NVME_IO_PRINFO_PRCHK_GUARD) { | |
62 | if (data->lba_ext) { | |
63 | guard = fio_crc_t10dif(0, buf, pi_data->interval); | |
64 | } else { | |
65 | guard = fio_crc_t10dif(0, buf, data->lba_size); | |
66 | guard = fio_crc_t10dif(guard, md_buf, pi_data->interval); | |
67 | } | |
68 | pi->guard = cpu_to_be16(guard); | |
69 | } | |
70 | ||
71 | if (opts->io_flags & NVME_IO_PRINFO_PRCHK_APP) | |
72 | pi->apptag = cpu_to_be16(pi_data->apptag); | |
73 | ||
74 | if (opts->io_flags & NVME_IO_PRINFO_PRCHK_REF) { | |
75 | switch (data->pi_type) { | |
76 | case NVME_NS_DPS_PI_TYPE1: | |
77 | case NVME_NS_DPS_PI_TYPE2: | |
78 | pi->srtag = cpu_to_be32((__u32)slba + lba_num); | |
79 | break; | |
80 | case NVME_NS_DPS_PI_TYPE3: | |
81 | break; | |
82 | } | |
83 | } | |
84 | if (data->lba_ext) { | |
85 | buf += data->lba_ext; | |
86 | } else { | |
87 | buf += data->lba_size; | |
88 | md_buf += data->ms; | |
89 | } | |
90 | lba_num++; | |
91 | } | |
92 | } | |
93 | ||
94 | static int fio_nvme_verify_pi_16b_guard(struct nvme_data *data, | |
95 | struct io_u *io_u) | |
96 | { | |
97 | struct nvme_pi_data *pi_data = io_u->engine_data; | |
98 | struct nvme_16b_guard_pif *pi; | |
99 | struct fio_file *f = io_u->file; | |
100 | unsigned char *buf = io_u->xfer_buf; | |
101 | unsigned char *md_buf = io_u->mmap_data; | |
102 | __u64 slba = get_slba(data, io_u); | |
103 | __u32 nlb = get_nlb(data, io_u) + 1; | |
104 | __u32 lba_num = 0; | |
105 | __u16 unmask_app, unmask_app_exp, guard = 0; | |
106 | ||
107 | while (lba_num < nlb) { | |
108 | if (data->lba_ext) | |
109 | pi = (struct nvme_16b_guard_pif *)(buf + pi_data->interval); | |
110 | else | |
111 | pi = (struct nvme_16b_guard_pif *)(md_buf + pi_data->interval); | |
112 | ||
113 | if (data->pi_type == NVME_NS_DPS_PI_TYPE3) { | |
114 | if (pi->apptag == NVME_PI_APP_DISABLE && | |
115 | pi->srtag == NVME_PI_REF_DISABLE) | |
116 | goto next; | |
117 | } else if (data->pi_type == NVME_NS_DPS_PI_TYPE1 || | |
118 | data->pi_type == NVME_NS_DPS_PI_TYPE2) { | |
119 | if (pi->apptag == NVME_PI_APP_DISABLE) | |
120 | goto next; | |
121 | } | |
122 | ||
123 | if (pi_data->io_flags & NVME_IO_PRINFO_PRCHK_GUARD) { | |
124 | if (data->lba_ext) { | |
125 | guard = fio_crc_t10dif(0, buf, pi_data->interval); | |
126 | } else { | |
127 | guard = fio_crc_t10dif(0, buf, data->lba_size); | |
128 | guard = fio_crc_t10dif(guard, md_buf, pi_data->interval); | |
129 | } | |
130 | if (be16_to_cpu(pi->guard) != guard) { | |
131 | log_err("%s: Guard compare error: LBA: %llu Expected=%x, Actual=%x\n", | |
132 | f->file_name, (unsigned long long)slba, | |
133 | guard, be16_to_cpu(pi->guard)); | |
134 | return -EIO; | |
135 | } | |
136 | } | |
137 | ||
138 | if (pi_data->io_flags & NVME_IO_PRINFO_PRCHK_APP) { | |
139 | unmask_app = be16_to_cpu(pi->apptag) & pi_data->apptag_mask; | |
140 | unmask_app_exp = pi_data->apptag & pi_data->apptag_mask; | |
141 | if (unmask_app != unmask_app_exp) { | |
142 | log_err("%s: APPTAG compare error: LBA: %llu Expected=%x, Actual=%x\n", | |
143 | f->file_name, (unsigned long long)slba, | |
144 | unmask_app_exp, unmask_app); | |
145 | return -EIO; | |
146 | } | |
147 | } | |
148 | ||
149 | if (pi_data->io_flags & NVME_IO_PRINFO_PRCHK_REF) { | |
150 | switch (data->pi_type) { | |
151 | case NVME_NS_DPS_PI_TYPE1: | |
152 | case NVME_NS_DPS_PI_TYPE2: | |
153 | if (be32_to_cpu(pi->srtag) != | |
154 | ((__u32)slba + lba_num)) { | |
155 | log_err("%s: REFTAG compare error: LBA: %llu Expected=%x, Actual=%x\n", | |
156 | f->file_name, (unsigned long long)slba, | |
157 | (__u32)slba + lba_num, | |
158 | be32_to_cpu(pi->srtag)); | |
159 | return -EIO; | |
160 | } | |
161 | break; | |
162 | case NVME_NS_DPS_PI_TYPE3: | |
163 | break; | |
164 | } | |
165 | } | |
166 | next: | |
167 | if (data->lba_ext) { | |
168 | buf += data->lba_ext; | |
169 | } else { | |
170 | buf += data->lba_size; | |
171 | md_buf += data->ms; | |
172 | } | |
173 | lba_num++; | |
174 | } | |
175 | ||
176 | return 0; | |
177 | } | |
178 | ||
08371767 AK |
179 | static void fio_nvme_generate_pi_64b_guard(struct nvme_data *data, |
180 | struct io_u *io_u, | |
181 | struct nvme_cmd_ext_io_opts *opts) | |
182 | { | |
183 | struct nvme_pi_data *pi_data = io_u->engine_data; | |
184 | struct nvme_64b_guard_pif *pi; | |
185 | unsigned char *buf = io_u->xfer_buf; | |
186 | unsigned char *md_buf = io_u->mmap_data; | |
187 | uint64_t guard = 0; | |
188 | __u64 slba = get_slba(data, io_u); | |
189 | __u32 nlb = get_nlb(data, io_u) + 1; | |
190 | __u32 lba_num = 0; | |
191 | ||
192 | if (data->pi_loc) { | |
193 | if (data->lba_ext) | |
194 | pi_data->interval = data->lba_ext - data->ms; | |
195 | else | |
196 | pi_data->interval = 0; | |
197 | } else { | |
198 | if (data->lba_ext) | |
199 | pi_data->interval = data->lba_ext - sizeof(struct nvme_64b_guard_pif); | |
200 | else | |
201 | pi_data->interval = data->ms - sizeof(struct nvme_64b_guard_pif); | |
202 | } | |
203 | ||
204 | if (io_u->ddir != DDIR_WRITE) | |
205 | return; | |
206 | ||
207 | while (lba_num < nlb) { | |
208 | if (data->lba_ext) | |
209 | pi = (struct nvme_64b_guard_pif *)(buf + pi_data->interval); | |
210 | else | |
211 | pi = (struct nvme_64b_guard_pif *)(md_buf + pi_data->interval); | |
212 | ||
213 | if (opts->io_flags & NVME_IO_PRINFO_PRCHK_GUARD) { | |
214 | if (data->lba_ext) { | |
215 | guard = fio_crc64_nvme(0, buf, pi_data->interval); | |
216 | } else { | |
217 | guard = fio_crc64_nvme(0, buf, data->lba_size); | |
218 | guard = fio_crc64_nvme(guard, md_buf, pi_data->interval); | |
219 | } | |
220 | pi->guard = cpu_to_be64(guard); | |
221 | } | |
222 | ||
223 | if (opts->io_flags & NVME_IO_PRINFO_PRCHK_APP) | |
224 | pi->apptag = cpu_to_be16(pi_data->apptag); | |
225 | ||
226 | if (opts->io_flags & NVME_IO_PRINFO_PRCHK_REF) { | |
227 | switch (data->pi_type) { | |
228 | case NVME_NS_DPS_PI_TYPE1: | |
229 | case NVME_NS_DPS_PI_TYPE2: | |
230 | put_unaligned_be48(slba + lba_num, pi->srtag); | |
231 | break; | |
232 | case NVME_NS_DPS_PI_TYPE3: | |
233 | break; | |
234 | } | |
235 | } | |
236 | if (data->lba_ext) { | |
237 | buf += data->lba_ext; | |
238 | } else { | |
239 | buf += data->lba_size; | |
240 | md_buf += data->ms; | |
241 | } | |
242 | lba_num++; | |
243 | } | |
244 | } | |
245 | ||
246 | static int fio_nvme_verify_pi_64b_guard(struct nvme_data *data, | |
247 | struct io_u *io_u) | |
248 | { | |
249 | struct nvme_pi_data *pi_data = io_u->engine_data; | |
250 | struct nvme_64b_guard_pif *pi; | |
251 | struct fio_file *f = io_u->file; | |
252 | unsigned char *buf = io_u->xfer_buf; | |
253 | unsigned char *md_buf = io_u->mmap_data; | |
254 | __u64 slba = get_slba(data, io_u); | |
255 | __u64 ref, ref_exp, guard = 0; | |
256 | __u32 nlb = get_nlb(data, io_u) + 1; | |
257 | __u32 lba_num = 0; | |
258 | __u16 unmask_app, unmask_app_exp; | |
259 | ||
260 | while (lba_num < nlb) { | |
261 | if (data->lba_ext) | |
262 | pi = (struct nvme_64b_guard_pif *)(buf + pi_data->interval); | |
263 | else | |
264 | pi = (struct nvme_64b_guard_pif *)(md_buf + pi_data->interval); | |
265 | ||
266 | if (data->pi_type == NVME_NS_DPS_PI_TYPE3) { | |
267 | if (pi->apptag == NVME_PI_APP_DISABLE && | |
268 | fio_nvme_pi_ref_escape(pi->srtag)) | |
269 | goto next; | |
270 | } else if (data->pi_type == NVME_NS_DPS_PI_TYPE1 || | |
271 | data->pi_type == NVME_NS_DPS_PI_TYPE2) { | |
272 | if (pi->apptag == NVME_PI_APP_DISABLE) | |
273 | goto next; | |
274 | } | |
275 | ||
276 | if (pi_data->io_flags & NVME_IO_PRINFO_PRCHK_GUARD) { | |
277 | if (data->lba_ext) { | |
278 | guard = fio_crc64_nvme(0, buf, pi_data->interval); | |
279 | } else { | |
280 | guard = fio_crc64_nvme(0, buf, data->lba_size); | |
281 | guard = fio_crc64_nvme(guard, md_buf, pi_data->interval); | |
282 | } | |
283 | if (be64_to_cpu((uint64_t)pi->guard) != guard) { | |
284 | log_err("%s: Guard compare error: LBA: %llu Expected=%llx, Actual=%llx\n", | |
285 | f->file_name, (unsigned long long)slba, | |
286 | guard, be64_to_cpu((uint64_t)pi->guard)); | |
287 | return -EIO; | |
288 | } | |
289 | } | |
290 | ||
291 | if (pi_data->io_flags & NVME_IO_PRINFO_PRCHK_APP) { | |
292 | unmask_app = be16_to_cpu(pi->apptag) & pi_data->apptag_mask; | |
293 | unmask_app_exp = pi_data->apptag & pi_data->apptag_mask; | |
294 | if (unmask_app != unmask_app_exp) { | |
295 | log_err("%s: APPTAG compare error: LBA: %llu Expected=%x, Actual=%x\n", | |
296 | f->file_name, (unsigned long long)slba, | |
297 | unmask_app_exp, unmask_app); | |
298 | return -EIO; | |
299 | } | |
300 | } | |
301 | ||
302 | if (pi_data->io_flags & NVME_IO_PRINFO_PRCHK_REF) { | |
303 | switch (data->pi_type) { | |
304 | case NVME_NS_DPS_PI_TYPE1: | |
305 | case NVME_NS_DPS_PI_TYPE2: | |
306 | ref = get_unaligned_be48(pi->srtag); | |
307 | ref_exp = (slba + lba_num) & ((1ULL << 48) - 1); | |
308 | if (ref != ref_exp) { | |
309 | log_err("%s: REFTAG compare error: LBA: %llu Expected=%llx, Actual=%llx\n", | |
310 | f->file_name, (unsigned long long)slba, | |
311 | ref_exp, ref); | |
312 | return -EIO; | |
313 | } | |
314 | break; | |
315 | case NVME_NS_DPS_PI_TYPE3: | |
316 | break; | |
317 | } | |
318 | } | |
319 | next: | |
320 | if (data->lba_ext) { | |
321 | buf += data->lba_ext; | |
322 | } else { | |
323 | buf += data->lba_size; | |
324 | md_buf += data->ms; | |
325 | } | |
326 | lba_num++; | |
327 | } | |
328 | ||
329 | return 0; | |
330 | } | |
4885a6eb VF |
331 | void fio_nvme_uring_cmd_trim_prep(struct nvme_uring_cmd *cmd, struct io_u *io_u, |
332 | struct nvme_dsm_range *dsm) | |
333 | { | |
334 | struct nvme_data *data = FILE_ENG_DATA(io_u->file); | |
335 | ||
336 | cmd->opcode = nvme_cmd_dsm; | |
337 | cmd->nsid = data->nsid; | |
338 | cmd->cdw10 = 0; | |
339 | cmd->cdw11 = NVME_ATTRIBUTE_DEALLOCATE; | |
340 | cmd->addr = (__u64) (uintptr_t) dsm; | |
341 | cmd->data_len = sizeof(*dsm); | |
342 | ||
343 | dsm->slba = get_slba(data, io_u); | |
344 | /* nlb is a 1-based value for deallocate */ | |
345 | dsm->nlb = get_nlb(data, io_u) + 1; | |
346 | } | |
347 | ||
b3d5e3fd | 348 | int fio_nvme_uring_cmd_prep(struct nvme_uring_cmd *cmd, struct io_u *io_u, |
4885a6eb | 349 | struct iovec *iov, struct nvme_dsm_range *dsm) |
b3d5e3fd AK |
350 | { |
351 | struct nvme_data *data = FILE_ENG_DATA(io_u->file); | |
352 | __u64 slba; | |
353 | __u32 nlb; | |
354 | ||
355 | memset(cmd, 0, sizeof(struct nvme_uring_cmd)); | |
356 | ||
4885a6eb VF |
357 | switch (io_u->ddir) { |
358 | case DDIR_READ: | |
b3d5e3fd | 359 | cmd->opcode = nvme_cmd_read; |
4885a6eb VF |
360 | break; |
361 | case DDIR_WRITE: | |
b3d5e3fd | 362 | cmd->opcode = nvme_cmd_write; |
4885a6eb VF |
363 | break; |
364 | case DDIR_TRIM: | |
365 | fio_nvme_uring_cmd_trim_prep(cmd, io_u, dsm); | |
366 | return 0; | |
367 | default: | |
b3d5e3fd | 368 | return -ENOTSUP; |
345fa8fd | 369 | } |
b3d5e3fd | 370 | |
4885a6eb VF |
371 | slba = get_slba(data, io_u); |
372 | nlb = get_nlb(data, io_u); | |
373 | ||
b3d5e3fd AK |
374 | /* cdw10 and cdw11 represent starting lba */ |
375 | cmd->cdw10 = slba & 0xffffffff; | |
376 | cmd->cdw11 = slba >> 32; | |
377 | /* cdw12 represent number of lba's for read/write */ | |
a7e8aae0 KB |
378 | cmd->cdw12 = nlb | (io_u->dtype << 20); |
379 | cmd->cdw13 = io_u->dspec << 16; | |
b3d5e3fd AK |
380 | if (iov) { |
381 | iov->iov_base = io_u->xfer_buf; | |
382 | iov->iov_len = io_u->xfer_buflen; | |
383 | cmd->addr = (__u64)(uintptr_t)iov; | |
384 | cmd->data_len = 1; | |
385 | } else { | |
386 | cmd->addr = (__u64)(uintptr_t)io_u->xfer_buf; | |
387 | cmd->data_len = io_u->xfer_buflen; | |
388 | } | |
2d6451c9 AK |
389 | if (data->lba_shift && data->ms) { |
390 | cmd->metadata = (__u64)(uintptr_t)io_u->mmap_data; | |
391 | cmd->metadata_len = (nlb + 1) * data->ms; | |
392 | } | |
b3d5e3fd AK |
393 | cmd->nsid = data->nsid; |
394 | return 0; | |
395 | } | |
396 | ||
3ee8311a AK |
397 | void fio_nvme_pi_fill(struct nvme_uring_cmd *cmd, struct io_u *io_u, |
398 | struct nvme_cmd_ext_io_opts *opts) | |
399 | { | |
400 | struct nvme_data *data = FILE_ENG_DATA(io_u->file); | |
401 | __u64 slba; | |
402 | ||
403 | slba = get_slba(data, io_u); | |
404 | cmd->cdw12 |= opts->io_flags; | |
405 | ||
5163f35e AK |
406 | if (data->pi_type && !(opts->io_flags & NVME_IO_PRINFO_PRACT)) { |
407 | if (data->guard_type == NVME_NVM_NS_16B_GUARD) | |
408 | fio_nvme_generate_pi_16b_guard(data, io_u, opts); | |
08371767 AK |
409 | else if (data->guard_type == NVME_NVM_NS_64B_GUARD) |
410 | fio_nvme_generate_pi_64b_guard(data, io_u, opts); | |
5163f35e AK |
411 | } |
412 | ||
3ee8311a AK |
413 | switch (data->pi_type) { |
414 | case NVME_NS_DPS_PI_TYPE1: | |
415 | case NVME_NS_DPS_PI_TYPE2: | |
416 | switch (data->guard_type) { | |
417 | case NVME_NVM_NS_16B_GUARD: | |
e4a9812d AK |
418 | if (opts->io_flags & NVME_IO_PRINFO_PRCHK_REF) |
419 | cmd->cdw14 = (__u32)slba; | |
3ee8311a AK |
420 | break; |
421 | case NVME_NVM_NS_64B_GUARD: | |
e4a9812d AK |
422 | if (opts->io_flags & NVME_IO_PRINFO_PRCHK_REF) { |
423 | cmd->cdw14 = (__u32)slba; | |
424 | cmd->cdw3 = ((slba >> 32) & 0xffff); | |
425 | } | |
3ee8311a AK |
426 | break; |
427 | default: | |
428 | break; | |
429 | } | |
e4a9812d AK |
430 | if (opts->io_flags & NVME_IO_PRINFO_PRCHK_APP) |
431 | cmd->cdw15 = (opts->apptag_mask << 16 | opts->apptag); | |
3ee8311a AK |
432 | break; |
433 | case NVME_NS_DPS_PI_TYPE3: | |
e4a9812d AK |
434 | if (opts->io_flags & NVME_IO_PRINFO_PRCHK_APP) |
435 | cmd->cdw15 = (opts->apptag_mask << 16 | opts->apptag); | |
3ee8311a AK |
436 | break; |
437 | case NVME_NS_DPS_PI_NONE: | |
438 | break; | |
439 | } | |
440 | } | |
441 | ||
5163f35e AK |
442 | int fio_nvme_pi_verify(struct nvme_data *data, struct io_u *io_u) |
443 | { | |
444 | int ret = 0; | |
445 | ||
446 | switch (data->guard_type) { | |
447 | case NVME_NVM_NS_16B_GUARD: | |
448 | ret = fio_nvme_verify_pi_16b_guard(data, io_u); | |
449 | break; | |
08371767 AK |
450 | case NVME_NVM_NS_64B_GUARD: |
451 | ret = fio_nvme_verify_pi_64b_guard(data, io_u); | |
452 | break; | |
5163f35e AK |
453 | default: |
454 | break; | |
455 | } | |
456 | ||
457 | return ret; | |
458 | } | |
459 | ||
b3d5e3fd AK |
460 | static int nvme_identify(int fd, __u32 nsid, enum nvme_identify_cns cns, |
461 | enum nvme_csi csi, void *data) | |
462 | { | |
463 | struct nvme_passthru_cmd cmd = { | |
464 | .opcode = nvme_admin_identify, | |
465 | .nsid = nsid, | |
466 | .addr = (__u64)(uintptr_t)data, | |
467 | .data_len = NVME_IDENTIFY_DATA_SIZE, | |
468 | .cdw10 = cns, | |
469 | .cdw11 = csi << NVME_IDENTIFY_CSI_SHIFT, | |
470 | .timeout_ms = NVME_DEFAULT_IOCTL_TIMEOUT, | |
471 | }; | |
472 | ||
473 | return ioctl(fd, NVME_IOCTL_ADMIN_CMD, &cmd); | |
474 | } | |
475 | ||
3ee8311a AK |
476 | int fio_nvme_get_info(struct fio_file *f, __u64 *nlba, __u32 pi_act, |
477 | struct nvme_data *data) | |
b3d5e3fd AK |
478 | { |
479 | struct nvme_id_ns ns; | |
3ee8311a AK |
480 | struct nvme_id_ctrl ctrl; |
481 | struct nvme_nvm_id_ns nvm_ns; | |
37a0881f | 482 | int namespace_id; |
b3d5e3fd | 483 | int fd, err; |
3ee8311a | 484 | __u32 format_idx, elbaf; |
b3d5e3fd AK |
485 | |
486 | if (f->filetype != FIO_TYPE_CHAR) { | |
487 | log_err("ioengine io_uring_cmd only works with nvme ns " | |
488 | "generic char devices (/dev/ngXnY)\n"); | |
489 | return 1; | |
490 | } | |
491 | ||
492 | fd = open(f->file_name, O_RDONLY); | |
493 | if (fd < 0) | |
494 | return -errno; | |
495 | ||
496 | namespace_id = ioctl(fd, NVME_IOCTL_ID); | |
497 | if (namespace_id < 0) { | |
af10f514 | 498 | err = -errno; |
345fa8fd AK |
499 | log_err("%s: failed to fetch namespace-id\n", f->file_name); |
500 | goto out; | |
b3d5e3fd AK |
501 | } |
502 | ||
3ee8311a AK |
503 | err = nvme_identify(fd, 0, NVME_IDENTIFY_CNS_CTRL, NVME_CSI_NVM, &ctrl); |
504 | if (err) { | |
505 | log_err("%s: failed to fetch identify ctrl\n", f->file_name); | |
506 | goto out; | |
507 | } | |
508 | ||
b3d5e3fd AK |
509 | /* |
510 | * Identify namespace to get namespace-id, namespace size in LBA's | |
511 | * and LBA data size. | |
512 | */ | |
513 | err = nvme_identify(fd, namespace_id, NVME_IDENTIFY_CNS_NS, | |
514 | NVME_CSI_NVM, &ns); | |
515 | if (err) { | |
345fa8fd AK |
516 | log_err("%s: failed to fetch identify namespace\n", |
517 | f->file_name); | |
3ee8311a | 518 | goto out; |
b3d5e3fd AK |
519 | } |
520 | ||
e7e5023b | 521 | data->nsid = namespace_id; |
01a7d384 AK |
522 | |
523 | /* | |
524 | * 16 or 64 as maximum number of supported LBA formats. | |
525 | * From flbas bit 0-3 indicates lsb and bit 5-6 indicates msb | |
526 | * of the format index used to format the namespace. | |
527 | */ | |
528 | if (ns.nlbaf < 16) | |
529 | format_idx = ns.flbas & 0xf; | |
530 | else | |
531 | format_idx = (ns.flbas & 0xf) + (((ns.flbas >> 5) & 0x3) << 4); | |
532 | ||
e7e5023b | 533 | data->lba_size = 1 << ns.lbaf[format_idx].ds; |
2d6451c9 | 534 | data->ms = le16_to_cpu(ns.lbaf[format_idx].ms); |
345fa8fd | 535 | |
3ee8311a AK |
536 | /* Check for end to end data protection support */ |
537 | if (data->ms && (ns.dps & NVME_NS_DPS_PI_MASK)) | |
538 | data->pi_type = (ns.dps & NVME_NS_DPS_PI_MASK); | |
539 | ||
540 | if (!data->pi_type) | |
541 | goto check_elba; | |
542 | ||
543 | if (ctrl.ctratt & NVME_CTRL_CTRATT_ELBAS) { | |
544 | err = nvme_identify(fd, namespace_id, NVME_IDENTIFY_CNS_CSI_NS, | |
545 | NVME_CSI_NVM, &nvm_ns); | |
546 | if (err) { | |
547 | log_err("%s: failed to fetch identify nvm namespace\n", | |
548 | f->file_name); | |
549 | goto out; | |
550 | } | |
551 | ||
552 | elbaf = le32_to_cpu(nvm_ns.elbaf[format_idx]); | |
553 | ||
554 | /* Currently we don't support storage tags */ | |
555 | if (elbaf & NVME_ID_NS_NVM_STS_MASK) { | |
556 | log_err("%s: Storage tag not supported\n", | |
557 | f->file_name); | |
558 | err = -ENOTSUP; | |
559 | goto out; | |
560 | } | |
561 | ||
562 | data->guard_type = (elbaf >> NVME_ID_NS_NVM_GUARD_SHIFT) & | |
563 | NVME_ID_NS_NVM_GUARD_MASK; | |
564 | ||
565 | /* No 32 bit guard, as storage tag is mandatory for it */ | |
566 | switch (data->guard_type) { | |
567 | case NVME_NVM_NS_16B_GUARD: | |
568 | data->pi_size = sizeof(struct nvme_16b_guard_pif); | |
569 | break; | |
570 | case NVME_NVM_NS_64B_GUARD: | |
571 | data->pi_size = sizeof(struct nvme_64b_guard_pif); | |
572 | break; | |
573 | default: | |
574 | break; | |
575 | } | |
576 | } else { | |
577 | data->guard_type = NVME_NVM_NS_16B_GUARD; | |
578 | data->pi_size = sizeof(struct nvme_16b_guard_pif); | |
579 | } | |
580 | ||
581 | /* | |
582 | * when PRACT bit is set to 1, and metadata size is equal to protection | |
583 | * information size, controller inserts and removes PI for write and | |
584 | * read commands respectively. | |
585 | */ | |
586 | if (pi_act && data->ms == data->pi_size) | |
587 | data->ms = 0; | |
588 | ||
589 | data->pi_loc = (ns.dps & NVME_NS_DPS_PI_FIRST); | |
590 | ||
591 | check_elba: | |
345fa8fd | 592 | /* |
345fa8fd AK |
593 | * Bit 4 for flbas indicates if metadata is transferred at the end of |
594 | * logical block creating an extended LBA. | |
595 | */ | |
2d6451c9 | 596 | if (data->ms && ((ns.flbas >> 4) & 0x1)) |
e7e5023b AK |
597 | data->lba_ext = data->lba_size + data->ms; |
598 | else | |
599 | data->lba_shift = ilog2(data->lba_size); | |
600 | ||
b3d5e3fd AK |
601 | *nlba = ns.nsze; |
602 | ||
345fa8fd | 603 | out: |
b3d5e3fd | 604 | close(fd); |
345fa8fd | 605 | return err; |
b3d5e3fd | 606 | } |
3d05e0ff AK |
607 | |
608 | int fio_nvme_get_zoned_model(struct thread_data *td, struct fio_file *f, | |
609 | enum zbd_zoned_model *model) | |
610 | { | |
611 | struct nvme_data *data = FILE_ENG_DATA(f); | |
612 | struct nvme_id_ns ns; | |
613 | struct nvme_passthru_cmd cmd; | |
614 | int fd, ret = 0; | |
615 | ||
616 | if (f->filetype != FIO_TYPE_CHAR) | |
617 | return -EINVAL; | |
618 | ||
619 | /* File is not yet opened */ | |
620 | fd = open(f->file_name, O_RDONLY | O_LARGEFILE); | |
621 | if (fd < 0) | |
622 | return -errno; | |
623 | ||
624 | /* Using nvme_id_ns for data as sizes are same */ | |
625 | ret = nvme_identify(fd, data->nsid, NVME_IDENTIFY_CNS_CSI_CTRL, | |
626 | NVME_CSI_ZNS, &ns); | |
627 | if (ret) { | |
628 | *model = ZBD_NONE; | |
629 | goto out; | |
630 | } | |
631 | ||
632 | memset(&cmd, 0, sizeof(struct nvme_passthru_cmd)); | |
633 | ||
634 | /* Using nvme_id_ns for data as sizes are same */ | |
635 | ret = nvme_identify(fd, data->nsid, NVME_IDENTIFY_CNS_CSI_NS, | |
636 | NVME_CSI_ZNS, &ns); | |
637 | if (ret) { | |
638 | *model = ZBD_NONE; | |
639 | goto out; | |
640 | } | |
641 | ||
642 | *model = ZBD_HOST_MANAGED; | |
643 | out: | |
644 | close(fd); | |
645 | return 0; | |
646 | } | |
647 | ||
648 | static int nvme_report_zones(int fd, __u32 nsid, __u64 slba, __u32 zras_feat, | |
649 | __u32 data_len, void *data) | |
650 | { | |
651 | struct nvme_passthru_cmd cmd = { | |
652 | .opcode = nvme_zns_cmd_mgmt_recv, | |
653 | .nsid = nsid, | |
654 | .addr = (__u64)(uintptr_t)data, | |
655 | .data_len = data_len, | |
656 | .cdw10 = slba & 0xffffffff, | |
657 | .cdw11 = slba >> 32, | |
658 | .cdw12 = (data_len >> 2) - 1, | |
659 | .cdw13 = NVME_ZNS_ZRA_REPORT_ZONES | zras_feat, | |
660 | .timeout_ms = NVME_DEFAULT_IOCTL_TIMEOUT, | |
661 | }; | |
662 | ||
663 | return ioctl(fd, NVME_IOCTL_IO_CMD, &cmd); | |
664 | } | |
665 | ||
666 | int fio_nvme_report_zones(struct thread_data *td, struct fio_file *f, | |
667 | uint64_t offset, struct zbd_zone *zbdz, | |
668 | unsigned int nr_zones) | |
669 | { | |
670 | struct nvme_data *data = FILE_ENG_DATA(f); | |
671 | struct nvme_zone_report *zr; | |
672 | struct nvme_zns_id_ns zns_ns; | |
673 | struct nvme_id_ns ns; | |
674 | unsigned int i = 0, j, zones_fetched = 0; | |
675 | unsigned int max_zones, zones_chunks = 1024; | |
676 | int fd, ret = 0; | |
677 | __u32 zr_len; | |
678 | __u64 zlen; | |
679 | ||
680 | /* File is not yet opened */ | |
681 | fd = open(f->file_name, O_RDONLY | O_LARGEFILE); | |
682 | if (fd < 0) | |
683 | return -errno; | |
684 | ||
685 | zones_fetched = 0; | |
686 | zr_len = sizeof(*zr) + (zones_chunks * sizeof(struct nvme_zns_desc)); | |
687 | zr = calloc(1, zr_len); | |
3efcb23f JA |
688 | if (!zr) { |
689 | close(fd); | |
3d05e0ff | 690 | return -ENOMEM; |
3efcb23f | 691 | } |
3d05e0ff AK |
692 | |
693 | ret = nvme_identify(fd, data->nsid, NVME_IDENTIFY_CNS_NS, | |
694 | NVME_CSI_NVM, &ns); | |
695 | if (ret) { | |
696 | log_err("%s: nvme_identify_ns failed, err=%d\n", f->file_name, | |
697 | ret); | |
698 | goto out; | |
699 | } | |
700 | ||
701 | ret = nvme_identify(fd, data->nsid, NVME_IDENTIFY_CNS_CSI_NS, | |
702 | NVME_CSI_ZNS, &zns_ns); | |
703 | if (ret) { | |
704 | log_err("%s: nvme_zns_identify_ns failed, err=%d\n", | |
705 | f->file_name, ret); | |
706 | goto out; | |
707 | } | |
708 | zlen = zns_ns.lbafe[ns.flbas & 0x0f].zsze << data->lba_shift; | |
709 | ||
710 | max_zones = (f->real_file_size - offset) / zlen; | |
711 | if (max_zones < nr_zones) | |
712 | nr_zones = max_zones; | |
713 | ||
714 | if (nr_zones < zones_chunks) | |
715 | zones_chunks = nr_zones; | |
716 | ||
717 | while (zones_fetched < nr_zones) { | |
718 | if (zones_fetched + zones_chunks >= nr_zones) { | |
719 | zones_chunks = nr_zones - zones_fetched; | |
720 | zr_len = sizeof(*zr) + (zones_chunks * sizeof(struct nvme_zns_desc)); | |
721 | } | |
722 | ret = nvme_report_zones(fd, data->nsid, offset >> data->lba_shift, | |
723 | NVME_ZNS_ZRAS_FEAT_ERZ, zr_len, (void *)zr); | |
724 | if (ret) { | |
725 | log_err("%s: nvme_zns_report_zones failed, err=%d\n", | |
726 | f->file_name, ret); | |
727 | goto out; | |
728 | } | |
729 | ||
730 | /* Transform the zone-report */ | |
731 | for (j = 0; j < zr->nr_zones; j++, i++) { | |
732 | struct nvme_zns_desc *desc = (struct nvme_zns_desc *)&(zr->entries[j]); | |
733 | ||
734 | zbdz[i].start = desc->zslba << data->lba_shift; | |
735 | zbdz[i].len = zlen; | |
736 | zbdz[i].wp = desc->wp << data->lba_shift; | |
737 | zbdz[i].capacity = desc->zcap << data->lba_shift; | |
738 | ||
739 | /* Zone Type is stored in first 4 bits. */ | |
740 | switch (desc->zt & 0x0f) { | |
741 | case NVME_ZONE_TYPE_SEQWRITE_REQ: | |
742 | zbdz[i].type = ZBD_ZONE_TYPE_SWR; | |
743 | break; | |
744 | default: | |
745 | log_err("%s: invalid type for zone at offset %llu.\n", | |
2fa0ab21 | 746 | f->file_name, (unsigned long long) desc->zslba); |
3d05e0ff AK |
747 | ret = -EIO; |
748 | goto out; | |
749 | } | |
750 | ||
751 | /* Zone State is stored in last 4 bits. */ | |
752 | switch (desc->zs >> 4) { | |
753 | case NVME_ZNS_ZS_EMPTY: | |
754 | zbdz[i].cond = ZBD_ZONE_COND_EMPTY; | |
755 | break; | |
756 | case NVME_ZNS_ZS_IMPL_OPEN: | |
757 | zbdz[i].cond = ZBD_ZONE_COND_IMP_OPEN; | |
758 | break; | |
759 | case NVME_ZNS_ZS_EXPL_OPEN: | |
760 | zbdz[i].cond = ZBD_ZONE_COND_EXP_OPEN; | |
761 | break; | |
762 | case NVME_ZNS_ZS_CLOSED: | |
763 | zbdz[i].cond = ZBD_ZONE_COND_CLOSED; | |
764 | break; | |
765 | case NVME_ZNS_ZS_FULL: | |
766 | zbdz[i].cond = ZBD_ZONE_COND_FULL; | |
767 | break; | |
768 | case NVME_ZNS_ZS_READ_ONLY: | |
769 | case NVME_ZNS_ZS_OFFLINE: | |
770 | default: | |
771 | /* Treat all these conditions as offline (don't use!) */ | |
772 | zbdz[i].cond = ZBD_ZONE_COND_OFFLINE; | |
773 | zbdz[i].wp = zbdz[i].start; | |
774 | } | |
775 | } | |
776 | zones_fetched += zr->nr_zones; | |
777 | offset += zr->nr_zones * zlen; | |
778 | } | |
779 | ||
780 | ret = zones_fetched; | |
781 | out: | |
782 | free(zr); | |
783 | close(fd); | |
784 | ||
785 | return ret; | |
786 | } | |
787 | ||
788 | int fio_nvme_reset_wp(struct thread_data *td, struct fio_file *f, | |
789 | uint64_t offset, uint64_t length) | |
790 | { | |
791 | struct nvme_data *data = FILE_ENG_DATA(f); | |
792 | unsigned int nr_zones; | |
793 | unsigned long long zslba; | |
794 | int i, fd, ret = 0; | |
795 | ||
796 | /* If the file is not yet opened, open it for this function. */ | |
797 | fd = f->fd; | |
798 | if (fd < 0) { | |
799 | fd = open(f->file_name, O_RDWR | O_LARGEFILE); | |
800 | if (fd < 0) | |
801 | return -errno; | |
802 | } | |
803 | ||
804 | zslba = offset >> data->lba_shift; | |
805 | nr_zones = (length + td->o.zone_size - 1) / td->o.zone_size; | |
806 | ||
807 | for (i = 0; i < nr_zones; i++, zslba += (td->o.zone_size >> data->lba_shift)) { | |
808 | struct nvme_passthru_cmd cmd = { | |
809 | .opcode = nvme_zns_cmd_mgmt_send, | |
810 | .nsid = data->nsid, | |
811 | .cdw10 = zslba & 0xffffffff, | |
812 | .cdw11 = zslba >> 32, | |
813 | .cdw13 = NVME_ZNS_ZSA_RESET, | |
814 | .addr = (__u64)(uintptr_t)NULL, | |
815 | .data_len = 0, | |
816 | .timeout_ms = NVME_DEFAULT_IOCTL_TIMEOUT, | |
817 | }; | |
818 | ||
819 | ret = ioctl(fd, NVME_IOCTL_IO_CMD, &cmd); | |
820 | } | |
821 | ||
822 | if (f->fd < 0) | |
823 | close(fd); | |
824 | return -ret; | |
825 | } | |
826 | ||
827 | int fio_nvme_get_max_open_zones(struct thread_data *td, struct fio_file *f, | |
828 | unsigned int *max_open_zones) | |
829 | { | |
830 | struct nvme_data *data = FILE_ENG_DATA(f); | |
831 | struct nvme_zns_id_ns zns_ns; | |
832 | int fd, ret = 0; | |
833 | ||
834 | fd = open(f->file_name, O_RDONLY | O_LARGEFILE); | |
835 | if (fd < 0) | |
836 | return -errno; | |
837 | ||
838 | ret = nvme_identify(fd, data->nsid, NVME_IDENTIFY_CNS_CSI_NS, | |
839 | NVME_CSI_ZNS, &zns_ns); | |
840 | if (ret) { | |
841 | log_err("%s: nvme_zns_identify_ns failed, err=%d\n", | |
842 | f->file_name, ret); | |
843 | goto out; | |
844 | } | |
845 | ||
846 | *max_open_zones = zns_ns.mor + 1; | |
847 | out: | |
848 | close(fd); | |
849 | return ret; | |
850 | } | |
a7e8aae0 KB |
851 | |
852 | static inline int nvme_fdp_reclaim_unit_handle_status(int fd, __u32 nsid, | |
853 | __u32 data_len, void *data) | |
854 | { | |
855 | struct nvme_passthru_cmd cmd = { | |
856 | .opcode = nvme_cmd_io_mgmt_recv, | |
857 | .nsid = nsid, | |
858 | .addr = (__u64)(uintptr_t)data, | |
859 | .data_len = data_len, | |
860 | .cdw10 = 1, | |
861 | .cdw11 = (data_len >> 2) - 1, | |
862 | }; | |
863 | ||
864 | return ioctl(fd, NVME_IOCTL_IO_CMD, &cmd); | |
865 | } | |
866 | ||
867 | int fio_nvme_iomgmt_ruhs(struct thread_data *td, struct fio_file *f, | |
868 | struct nvme_fdp_ruh_status *ruhs, __u32 bytes) | |
869 | { | |
870 | struct nvme_data *data = FILE_ENG_DATA(f); | |
871 | int fd, ret; | |
872 | ||
873 | fd = open(f->file_name, O_RDONLY | O_LARGEFILE); | |
874 | if (fd < 0) | |
875 | return -errno; | |
876 | ||
877 | ret = nvme_fdp_reclaim_unit_handle_status(fd, data->nsid, bytes, ruhs); | |
878 | if (ret) { | |
879 | log_err("%s: nvme_fdp_reclaim_unit_handle_status failed, err=%d\n", | |
880 | f->file_name, ret); | |
881 | errno = ENOTSUP; | |
882 | } else | |
883 | errno = 0; | |
884 | ||
af10f514 | 885 | ret = -errno; |
a7e8aae0 | 886 | close(fd); |
af10f514 | 887 | return ret; |
a7e8aae0 | 888 | } |