Commit | Line | Data |
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a3ff873e AK |
1 | /* |
2 | * fio xNVMe IO Engine | |
3 | * | |
4 | * IO engine using the xNVMe C API. | |
5 | * | |
6 | * See: http://xnvme.io/ | |
7 | * | |
8 | * SPDX-License-Identifier: Apache-2.0 | |
9 | */ | |
10 | #include <stdlib.h> | |
11 | #include <assert.h> | |
12 | #include <libxnvme.h> | |
a3ff873e AK |
13 | #include "fio.h" |
14 | #include "zbd_types.h" | |
e5f3b613 | 15 | #include "fdp.h" |
a3ff873e AK |
16 | #include "optgroup.h" |
17 | ||
18 | static pthread_mutex_t g_serialize = PTHREAD_MUTEX_INITIALIZER; | |
19 | ||
20 | struct xnvme_fioe_fwrap { | |
21 | /* fio file representation */ | |
22 | struct fio_file *fio_file; | |
23 | ||
24 | /* xNVMe device handle */ | |
25 | struct xnvme_dev *dev; | |
26 | /* xNVMe device geometry */ | |
27 | const struct xnvme_geo *geo; | |
28 | ||
29 | struct xnvme_queue *queue; | |
30 | ||
31 | uint32_t ssw; | |
32 | uint32_t lba_nbytes; | |
33 | ||
34 | uint8_t _pad[24]; | |
35 | }; | |
36 | XNVME_STATIC_ASSERT(sizeof(struct xnvme_fioe_fwrap) == 64, "Incorrect size") | |
37 | ||
38 | struct xnvme_fioe_data { | |
39 | /* I/O completion queue */ | |
40 | struct io_u **iocq; | |
41 | ||
42 | /* # of iocq entries; incremented via getevents()/cb_pool() */ | |
43 | uint64_t completed; | |
44 | ||
45 | /* | |
46 | * # of errors; incremented when observed on completion via | |
47 | * getevents()/cb_pool() | |
48 | */ | |
49 | uint64_t ecount; | |
50 | ||
51 | /* Controller which device/file to select */ | |
52 | int32_t prev; | |
53 | int32_t cur; | |
54 | ||
55 | /* Number of devices/files for which open() has been called */ | |
56 | int64_t nopen; | |
57 | /* Number of devices/files allocated in files[] */ | |
58 | uint64_t nallocated; | |
59 | ||
60 | struct iovec *iovec; | |
61 | ||
62 | uint8_t _pad[8]; | |
63 | ||
64 | struct xnvme_fioe_fwrap files[]; | |
65 | }; | |
66 | XNVME_STATIC_ASSERT(sizeof(struct xnvme_fioe_data) == 64, "Incorrect size") | |
67 | ||
68 | struct xnvme_fioe_options { | |
69 | void *padding; | |
70 | unsigned int hipri; | |
71 | unsigned int sqpoll_thread; | |
72 | unsigned int xnvme_dev_nsid; | |
73 | unsigned int xnvme_iovec; | |
74 | char *xnvme_be; | |
c945074c | 75 | char *xnvme_mem; |
a3ff873e AK |
76 | char *xnvme_async; |
77 | char *xnvme_sync; | |
78 | char *xnvme_admin; | |
efbafe2a | 79 | char *xnvme_dev_subnqn; |
a3ff873e AK |
80 | }; |
81 | ||
82 | static struct fio_option options[] = { | |
83 | { | |
84 | .name = "hipri", | |
85 | .lname = "High Priority", | |
86 | .type = FIO_OPT_STR_SET, | |
87 | .off1 = offsetof(struct xnvme_fioe_options, hipri), | |
88 | .help = "Use polled IO completions", | |
89 | .category = FIO_OPT_C_ENGINE, | |
90 | .group = FIO_OPT_G_XNVME, | |
91 | }, | |
92 | { | |
93 | .name = "sqthread_poll", | |
94 | .lname = "Kernel SQ thread polling", | |
95 | .type = FIO_OPT_STR_SET, | |
96 | .off1 = offsetof(struct xnvme_fioe_options, sqpoll_thread), | |
97 | .help = "Offload submission/completion to kernel thread", | |
98 | .category = FIO_OPT_C_ENGINE, | |
99 | .group = FIO_OPT_G_XNVME, | |
100 | }, | |
101 | { | |
102 | .name = "xnvme_be", | |
103 | .lname = "xNVMe Backend", | |
104 | .type = FIO_OPT_STR_STORE, | |
105 | .off1 = offsetof(struct xnvme_fioe_options, xnvme_be), | |
106 | .help = "Select xNVMe backend [spdk,linux,fbsd]", | |
107 | .category = FIO_OPT_C_ENGINE, | |
108 | .group = FIO_OPT_G_XNVME, | |
109 | }, | |
c945074c AK |
110 | { |
111 | .name = "xnvme_mem", | |
112 | .lname = "xNVMe Memory Backend", | |
113 | .type = FIO_OPT_STR_STORE, | |
114 | .off1 = offsetof(struct xnvme_fioe_options, xnvme_mem), | |
115 | .help = "Select xNVMe memory backend", | |
116 | .category = FIO_OPT_C_ENGINE, | |
117 | .group = FIO_OPT_G_XNVME, | |
118 | }, | |
a3ff873e AK |
119 | { |
120 | .name = "xnvme_async", | |
121 | .lname = "xNVMe Asynchronous command-interface", | |
122 | .type = FIO_OPT_STR_STORE, | |
123 | .off1 = offsetof(struct xnvme_fioe_options, xnvme_async), | |
203a4c7c AK |
124 | .help = "Select xNVMe async. interface: " |
125 | "[emu,thrpool,io_uring,io_uring_cmd,libaio,posix,vfio,nil]", | |
a3ff873e AK |
126 | .category = FIO_OPT_C_ENGINE, |
127 | .group = FIO_OPT_G_XNVME, | |
128 | }, | |
129 | { | |
130 | .name = "xnvme_sync", | |
131 | .lname = "xNVMe Synchronous. command-interface", | |
132 | .type = FIO_OPT_STR_STORE, | |
133 | .off1 = offsetof(struct xnvme_fioe_options, xnvme_sync), | |
203a4c7c | 134 | .help = "Select xNVMe sync. interface: [nvme,psync,block]", |
a3ff873e AK |
135 | .category = FIO_OPT_C_ENGINE, |
136 | .group = FIO_OPT_G_XNVME, | |
137 | }, | |
138 | { | |
139 | .name = "xnvme_admin", | |
140 | .lname = "xNVMe Admin command-interface", | |
141 | .type = FIO_OPT_STR_STORE, | |
142 | .off1 = offsetof(struct xnvme_fioe_options, xnvme_admin), | |
203a4c7c | 143 | .help = "Select xNVMe admin. cmd-interface: [nvme,block]", |
a3ff873e AK |
144 | .category = FIO_OPT_C_ENGINE, |
145 | .group = FIO_OPT_G_XNVME, | |
146 | }, | |
147 | { | |
148 | .name = "xnvme_dev_nsid", | |
149 | .lname = "xNVMe Namespace-Identifier, for user-space NVMe driver", | |
150 | .type = FIO_OPT_INT, | |
151 | .off1 = offsetof(struct xnvme_fioe_options, xnvme_dev_nsid), | |
152 | .help = "xNVMe Namespace-Identifier, for user-space NVMe driver", | |
153 | .category = FIO_OPT_C_ENGINE, | |
154 | .group = FIO_OPT_G_XNVME, | |
155 | }, | |
efbafe2a AK |
156 | { |
157 | .name = "xnvme_dev_subnqn", | |
158 | .lname = "Subsystem nqn for Fabrics", | |
159 | .type = FIO_OPT_STR_STORE, | |
160 | .off1 = offsetof(struct xnvme_fioe_options, xnvme_dev_subnqn), | |
161 | .help = "Subsystem NQN for Fabrics", | |
162 | .category = FIO_OPT_C_ENGINE, | |
163 | .group = FIO_OPT_G_XNVME, | |
164 | }, | |
a3ff873e AK |
165 | { |
166 | .name = "xnvme_iovec", | |
167 | .lname = "Vectored IOs", | |
168 | .type = FIO_OPT_STR_SET, | |
169 | .off1 = offsetof(struct xnvme_fioe_options, xnvme_iovec), | |
170 | .help = "Send vectored IOs", | |
171 | .category = FIO_OPT_C_ENGINE, | |
172 | .group = FIO_OPT_G_XNVME, | |
173 | }, | |
174 | ||
175 | { | |
176 | .name = NULL, | |
177 | }, | |
178 | }; | |
179 | ||
180 | static void cb_pool(struct xnvme_cmd_ctx *ctx, void *cb_arg) | |
181 | { | |
182 | struct io_u *io_u = cb_arg; | |
183 | struct xnvme_fioe_data *xd = io_u->mmap_data; | |
184 | ||
185 | if (xnvme_cmd_ctx_cpl_status(ctx)) { | |
186 | xnvme_cmd_ctx_pr(ctx, XNVME_PR_DEF); | |
187 | xd->ecount += 1; | |
188 | io_u->error = EIO; | |
189 | } | |
190 | ||
191 | xd->iocq[xd->completed++] = io_u; | |
192 | xnvme_queue_put_cmd_ctx(ctx->async.queue, ctx); | |
193 | } | |
194 | ||
195 | static struct xnvme_opts xnvme_opts_from_fioe(struct thread_data *td) | |
196 | { | |
197 | struct xnvme_fioe_options *o = td->eo; | |
198 | struct xnvme_opts opts = xnvme_opts_default(); | |
199 | ||
200 | opts.nsid = o->xnvme_dev_nsid; | |
efbafe2a | 201 | opts.subnqn = o->xnvme_dev_subnqn; |
a3ff873e | 202 | opts.be = o->xnvme_be; |
c945074c | 203 | opts.mem = o->xnvme_mem; |
a3ff873e AK |
204 | opts.async = o->xnvme_async; |
205 | opts.sync = o->xnvme_sync; | |
206 | opts.admin = o->xnvme_admin; | |
207 | ||
208 | opts.poll_io = o->hipri; | |
209 | opts.poll_sq = o->sqpoll_thread; | |
210 | ||
211 | opts.direct = td->o.odirect; | |
212 | ||
213 | return opts; | |
214 | } | |
215 | ||
216 | static void _dev_close(struct thread_data *td, struct xnvme_fioe_fwrap *fwrap) | |
217 | { | |
218 | if (fwrap->dev) | |
219 | xnvme_queue_term(fwrap->queue); | |
220 | ||
221 | xnvme_dev_close(fwrap->dev); | |
222 | ||
223 | memset(fwrap, 0, sizeof(*fwrap)); | |
224 | } | |
225 | ||
226 | static void xnvme_fioe_cleanup(struct thread_data *td) | |
227 | { | |
fdac9c68 | 228 | struct xnvme_fioe_data *xd = NULL; |
a3ff873e AK |
229 | int err; |
230 | ||
fdac9c68 AK |
231 | if (!td->io_ops_data) |
232 | return; | |
233 | ||
234 | xd = td->io_ops_data; | |
235 | ||
a3ff873e AK |
236 | err = pthread_mutex_lock(&g_serialize); |
237 | if (err) | |
238 | log_err("ioeng->cleanup(): pthread_mutex_lock(), err(%d)\n", err); | |
239 | /* NOTE: not returning here */ | |
240 | ||
241 | for (uint64_t i = 0; i < xd->nallocated; ++i) | |
242 | _dev_close(td, &xd->files[i]); | |
243 | ||
244 | if (!err) { | |
245 | err = pthread_mutex_unlock(&g_serialize); | |
246 | if (err) | |
247 | log_err("ioeng->cleanup(): pthread_mutex_unlock(), err(%d)\n", err); | |
248 | } | |
249 | ||
250 | free(xd->iocq); | |
251 | free(xd->iovec); | |
252 | free(xd); | |
253 | td->io_ops_data = NULL; | |
254 | } | |
255 | ||
256 | /** | |
257 | * Helper function setting up device handles as addressed by the naming | |
258 | * convention of the given `fio_file` filename. | |
259 | * | |
260 | * Checks thread-options for explicit control of asynchronous implementation via | |
261 | * the ``--xnvme_async={thrpool,emu,posix,io_uring,libaio,nil}``. | |
262 | */ | |
263 | static int _dev_open(struct thread_data *td, struct fio_file *f) | |
264 | { | |
265 | struct xnvme_opts opts = xnvme_opts_from_fioe(td); | |
266 | struct xnvme_fioe_data *xd = td->io_ops_data; | |
267 | struct xnvme_fioe_fwrap *fwrap; | |
268 | int flags = 0; | |
269 | int err; | |
270 | ||
271 | if (f->fileno > (int)xd->nallocated) { | |
272 | log_err("ioeng->_dev_open(%s): invalid assumption\n", f->file_name); | |
273 | return 1; | |
274 | } | |
275 | ||
276 | fwrap = &xd->files[f->fileno]; | |
277 | ||
278 | err = pthread_mutex_lock(&g_serialize); | |
279 | if (err) { | |
280 | log_err("ioeng->_dev_open(%s): pthread_mutex_lock(), err(%d)\n", f->file_name, | |
281 | err); | |
282 | return -err; | |
283 | } | |
284 | ||
285 | fwrap->dev = xnvme_dev_open(f->file_name, &opts); | |
286 | if (!fwrap->dev) { | |
287 | log_err("ioeng->_dev_open(%s): xnvme_dev_open(), err(%d)\n", f->file_name, errno); | |
288 | goto failure; | |
289 | } | |
290 | fwrap->geo = xnvme_dev_get_geo(fwrap->dev); | |
291 | ||
292 | if (xnvme_queue_init(fwrap->dev, td->o.iodepth, flags, &(fwrap->queue))) { | |
293 | log_err("ioeng->_dev_open(%s): xnvme_queue_init(), err(?)\n", f->file_name); | |
294 | goto failure; | |
295 | } | |
296 | xnvme_queue_set_cb(fwrap->queue, cb_pool, NULL); | |
297 | ||
298 | fwrap->ssw = xnvme_dev_get_ssw(fwrap->dev); | |
299 | fwrap->lba_nbytes = fwrap->geo->lba_nbytes; | |
300 | ||
301 | fwrap->fio_file = f; | |
302 | fwrap->fio_file->filetype = FIO_TYPE_BLOCK; | |
303 | fwrap->fio_file->real_file_size = fwrap->geo->tbytes; | |
304 | fio_file_set_size_known(fwrap->fio_file); | |
305 | ||
306 | err = pthread_mutex_unlock(&g_serialize); | |
307 | if (err) | |
308 | log_err("ioeng->_dev_open(%s): pthread_mutex_unlock(), err(%d)\n", f->file_name, | |
309 | err); | |
310 | ||
311 | return 0; | |
312 | ||
313 | failure: | |
314 | xnvme_queue_term(fwrap->queue); | |
315 | xnvme_dev_close(fwrap->dev); | |
316 | ||
317 | err = pthread_mutex_unlock(&g_serialize); | |
318 | if (err) | |
319 | log_err("ioeng->_dev_open(%s): pthread_mutex_unlock(), err(%d)\n", f->file_name, | |
320 | err); | |
321 | ||
322 | return 1; | |
323 | } | |
324 | ||
325 | static int xnvme_fioe_init(struct thread_data *td) | |
326 | { | |
327 | struct xnvme_fioe_data *xd = NULL; | |
328 | struct fio_file *f; | |
329 | unsigned int i; | |
330 | ||
331 | if (!td->o.use_thread) { | |
332 | log_err("ioeng->init(): --thread=1 is required\n"); | |
333 | return 1; | |
334 | } | |
335 | ||
336 | /* Allocate xd and iocq */ | |
337 | xd = calloc(1, sizeof(*xd) + sizeof(*xd->files) * td->o.nr_files); | |
338 | if (!xd) { | |
339 | log_err("ioeng->init(): !calloc(), err(%d)\n", errno); | |
340 | return 1; | |
341 | } | |
342 | ||
343 | xd->iocq = calloc(td->o.iodepth, sizeof(struct io_u *)); | |
344 | if (!xd->iocq) { | |
eb3570b5 AK |
345 | free(xd); |
346 | log_err("ioeng->init(): !calloc(xd->iocq), err(%d)\n", errno); | |
a3ff873e AK |
347 | return 1; |
348 | } | |
349 | ||
350 | xd->iovec = calloc(td->o.iodepth, sizeof(*xd->iovec)); | |
351 | if (!xd->iovec) { | |
eb3570b5 AK |
352 | free(xd->iocq); |
353 | free(xd); | |
a3ff873e AK |
354 | log_err("ioeng->init(): !calloc(xd->iovec), err(%d)\n", errno); |
355 | return 1; | |
356 | } | |
357 | ||
358 | xd->prev = -1; | |
359 | td->io_ops_data = xd; | |
360 | ||
361 | for_each_file(td, f, i) | |
362 | { | |
363 | if (_dev_open(td, f)) { | |
eb3570b5 AK |
364 | /* |
365 | * Note: We are not freeing xd, iocq and iovec. This | |
366 | * will be done as part of cleanup routine. | |
367 | */ | |
a3ff873e AK |
368 | log_err("ioeng->init(): failed; _dev_open(%s)\n", f->file_name); |
369 | return 1; | |
370 | } | |
371 | ||
372 | ++(xd->nallocated); | |
373 | } | |
374 | ||
375 | if (xd->nallocated != td->o.nr_files) { | |
376 | log_err("ioeng->init(): failed; nallocated != td->o.nr_files\n"); | |
377 | return 1; | |
378 | } | |
379 | ||
380 | return 0; | |
381 | } | |
382 | ||
383 | /* NOTE: using the first device for buffer-allocators) */ | |
384 | static int xnvme_fioe_iomem_alloc(struct thread_data *td, size_t total_mem) | |
385 | { | |
386 | struct xnvme_fioe_data *xd = td->io_ops_data; | |
387 | struct xnvme_fioe_fwrap *fwrap = &xd->files[0]; | |
388 | ||
389 | if (!fwrap->dev) { | |
390 | log_err("ioeng->iomem_alloc(): failed; no dev-handle\n"); | |
391 | return 1; | |
392 | } | |
393 | ||
394 | td->orig_buffer = xnvme_buf_alloc(fwrap->dev, total_mem); | |
395 | ||
396 | return td->orig_buffer == NULL; | |
397 | } | |
398 | ||
399 | /* NOTE: using the first device for buffer-allocators) */ | |
400 | static void xnvme_fioe_iomem_free(struct thread_data *td) | |
401 | { | |
fdac9c68 AK |
402 | struct xnvme_fioe_data *xd = NULL; |
403 | struct xnvme_fioe_fwrap *fwrap = NULL; | |
404 | ||
405 | if (!td->io_ops_data) | |
406 | return; | |
407 | ||
408 | xd = td->io_ops_data; | |
409 | fwrap = &xd->files[0]; | |
a3ff873e AK |
410 | |
411 | if (!fwrap->dev) { | |
412 | log_err("ioeng->iomem_free(): failed no dev-handle\n"); | |
413 | return; | |
414 | } | |
415 | ||
416 | xnvme_buf_free(fwrap->dev, td->orig_buffer); | |
417 | } | |
418 | ||
419 | static int xnvme_fioe_io_u_init(struct thread_data *td, struct io_u *io_u) | |
420 | { | |
421 | io_u->mmap_data = td->io_ops_data; | |
422 | ||
423 | return 0; | |
424 | } | |
425 | ||
426 | static void xnvme_fioe_io_u_free(struct thread_data *td, struct io_u *io_u) | |
427 | { | |
428 | io_u->mmap_data = NULL; | |
429 | } | |
430 | ||
431 | static struct io_u *xnvme_fioe_event(struct thread_data *td, int event) | |
432 | { | |
433 | struct xnvme_fioe_data *xd = td->io_ops_data; | |
434 | ||
435 | assert(event >= 0); | |
436 | assert((unsigned)event < xd->completed); | |
437 | ||
438 | return xd->iocq[event]; | |
439 | } | |
440 | ||
441 | static int xnvme_fioe_getevents(struct thread_data *td, unsigned int min, unsigned int max, | |
442 | const struct timespec *t) | |
443 | { | |
444 | struct xnvme_fioe_data *xd = td->io_ops_data; | |
445 | struct xnvme_fioe_fwrap *fwrap = NULL; | |
446 | int nfiles = xd->nallocated; | |
447 | int err = 0; | |
448 | ||
449 | if (xd->prev != -1 && ++xd->prev < nfiles) { | |
450 | fwrap = &xd->files[xd->prev]; | |
451 | xd->cur = xd->prev; | |
452 | } | |
453 | ||
454 | xd->completed = 0; | |
455 | for (;;) { | |
456 | if (fwrap == NULL || xd->cur == nfiles) { | |
457 | fwrap = &xd->files[0]; | |
458 | xd->cur = 0; | |
459 | } | |
460 | ||
461 | while (fwrap != NULL && xd->cur < nfiles && err >= 0) { | |
462 | err = xnvme_queue_poke(fwrap->queue, max - xd->completed); | |
463 | if (err < 0) { | |
464 | switch (err) { | |
465 | case -EBUSY: | |
466 | case -EAGAIN: | |
467 | usleep(1); | |
468 | break; | |
469 | ||
470 | default: | |
471 | log_err("ioeng->getevents(): unhandled IO error\n"); | |
472 | assert(false); | |
473 | return 0; | |
474 | } | |
475 | } | |
476 | if (xd->completed >= min) { | |
477 | xd->prev = xd->cur; | |
478 | return xd->completed; | |
479 | } | |
480 | xd->cur++; | |
481 | fwrap = &xd->files[xd->cur]; | |
482 | ||
483 | if (err < 0) { | |
484 | switch (err) { | |
485 | case -EBUSY: | |
486 | case -EAGAIN: | |
487 | usleep(1); | |
488 | break; | |
489 | } | |
490 | } | |
491 | } | |
492 | } | |
493 | ||
494 | xd->cur = 0; | |
495 | ||
496 | return xd->completed; | |
497 | } | |
498 | ||
499 | static enum fio_q_status xnvme_fioe_queue(struct thread_data *td, struct io_u *io_u) | |
500 | { | |
501 | struct xnvme_fioe_data *xd = td->io_ops_data; | |
502 | struct xnvme_fioe_fwrap *fwrap; | |
503 | struct xnvme_cmd_ctx *ctx; | |
504 | uint32_t nsid; | |
505 | uint64_t slba; | |
506 | uint16_t nlb; | |
507 | int err; | |
508 | bool vectored_io = ((struct xnvme_fioe_options *)td->eo)->xnvme_iovec; | |
e5f3b613 | 509 | uint32_t dir = io_u->dtype; |
a3ff873e AK |
510 | |
511 | fio_ro_check(td, io_u); | |
512 | ||
513 | fwrap = &xd->files[io_u->file->fileno]; | |
514 | nsid = xnvme_dev_get_nsid(fwrap->dev); | |
515 | ||
516 | slba = io_u->offset >> fwrap->ssw; | |
517 | nlb = (io_u->xfer_buflen >> fwrap->ssw) - 1; | |
518 | ||
519 | ctx = xnvme_queue_get_cmd_ctx(fwrap->queue); | |
520 | ctx->async.cb_arg = io_u; | |
521 | ||
522 | ctx->cmd.common.nsid = nsid; | |
523 | ctx->cmd.nvm.slba = slba; | |
524 | ctx->cmd.nvm.nlb = nlb; | |
e5f3b613 AK |
525 | if (dir) { |
526 | ctx->cmd.nvm.dtype = io_u->dtype; | |
527 | ctx->cmd.nvm.cdw13.dspec = io_u->dspec; | |
528 | } | |
a3ff873e AK |
529 | |
530 | switch (io_u->ddir) { | |
531 | case DDIR_READ: | |
532 | ctx->cmd.common.opcode = XNVME_SPEC_NVM_OPC_READ; | |
533 | break; | |
534 | ||
535 | case DDIR_WRITE: | |
536 | ctx->cmd.common.opcode = XNVME_SPEC_NVM_OPC_WRITE; | |
537 | break; | |
538 | ||
539 | default: | |
540 | log_err("ioeng->queue(): ENOSYS: %u\n", io_u->ddir); | |
eb3570b5 AK |
541 | xnvme_queue_put_cmd_ctx(ctx->async.queue, ctx); |
542 | ||
543 | io_u->error = ENOSYS; | |
a3ff873e | 544 | assert(false); |
eb3570b5 | 545 | return FIO_Q_COMPLETED; |
a3ff873e AK |
546 | } |
547 | ||
548 | if (vectored_io) { | |
549 | xd->iovec[io_u->index].iov_base = io_u->xfer_buf; | |
550 | xd->iovec[io_u->index].iov_len = io_u->xfer_buflen; | |
551 | ||
552 | err = xnvme_cmd_passv(ctx, &xd->iovec[io_u->index], 1, io_u->xfer_buflen, NULL, 0, | |
553 | 0); | |
554 | } else { | |
555 | err = xnvme_cmd_pass(ctx, io_u->xfer_buf, io_u->xfer_buflen, NULL, 0); | |
556 | } | |
557 | switch (err) { | |
558 | case 0: | |
559 | return FIO_Q_QUEUED; | |
560 | ||
561 | case -EBUSY: | |
562 | case -EAGAIN: | |
563 | xnvme_queue_put_cmd_ctx(ctx->async.queue, ctx); | |
564 | return FIO_Q_BUSY; | |
565 | ||
566 | default: | |
567 | log_err("ioeng->queue(): err: '%d'\n", err); | |
568 | ||
569 | xnvme_queue_put_cmd_ctx(ctx->async.queue, ctx); | |
570 | ||
571 | io_u->error = abs(err); | |
572 | assert(false); | |
573 | return FIO_Q_COMPLETED; | |
574 | } | |
575 | } | |
576 | ||
577 | static int xnvme_fioe_close(struct thread_data *td, struct fio_file *f) | |
578 | { | |
579 | struct xnvme_fioe_data *xd = td->io_ops_data; | |
580 | ||
581 | dprint(FD_FILE, "xnvme close %s -- nopen: %ld\n", f->file_name, xd->nopen); | |
582 | ||
583 | --(xd->nopen); | |
584 | ||
585 | return 0; | |
586 | } | |
587 | ||
588 | static int xnvme_fioe_open(struct thread_data *td, struct fio_file *f) | |
589 | { | |
590 | struct xnvme_fioe_data *xd = td->io_ops_data; | |
591 | ||
592 | dprint(FD_FILE, "xnvme open %s -- nopen: %ld\n", f->file_name, xd->nopen); | |
593 | ||
594 | if (f->fileno > (int)xd->nallocated) { | |
595 | log_err("ioeng->open(): f->fileno > xd->nallocated; invalid assumption\n"); | |
596 | return 1; | |
597 | } | |
598 | if (xd->files[f->fileno].fio_file != f) { | |
599 | log_err("ioeng->open(): fio_file != f; invalid assumption\n"); | |
600 | return 1; | |
601 | } | |
602 | ||
603 | ++(xd->nopen); | |
604 | ||
605 | return 0; | |
606 | } | |
607 | ||
608 | static int xnvme_fioe_invalidate(struct thread_data *td, struct fio_file *f) | |
609 | { | |
610 | /* Consider only doing this with be:spdk */ | |
611 | return 0; | |
612 | } | |
613 | ||
614 | static int xnvme_fioe_get_max_open_zones(struct thread_data *td, struct fio_file *f, | |
615 | unsigned int *max_open_zones) | |
616 | { | |
617 | struct xnvme_opts opts = xnvme_opts_from_fioe(td); | |
618 | struct xnvme_dev *dev; | |
619 | const struct xnvme_spec_znd_idfy_ns *zns; | |
620 | int err = 0, err_lock; | |
621 | ||
622 | if (f->filetype != FIO_TYPE_FILE && f->filetype != FIO_TYPE_BLOCK && | |
623 | f->filetype != FIO_TYPE_CHAR) { | |
624 | log_info("ioeng->get_max_open_zoned(): ignoring filetype: %d\n", f->filetype); | |
625 | return 0; | |
626 | } | |
627 | err_lock = pthread_mutex_lock(&g_serialize); | |
628 | if (err_lock) { | |
629 | log_err("ioeng->get_max_open_zones(): pthread_mutex_lock(), err(%d)\n", err_lock); | |
630 | return -err_lock; | |
631 | } | |
632 | ||
633 | dev = xnvme_dev_open(f->file_name, &opts); | |
634 | if (!dev) { | |
635 | log_err("ioeng->get_max_open_zones(): xnvme_dev_open(), err(%d)\n", err_lock); | |
636 | err = -errno; | |
637 | goto exit; | |
638 | } | |
639 | if (xnvme_dev_get_geo(dev)->type != XNVME_GEO_ZONED) { | |
640 | errno = EINVAL; | |
641 | err = -errno; | |
642 | goto exit; | |
643 | } | |
644 | ||
645 | zns = (void *)xnvme_dev_get_ns_css(dev); | |
646 | if (!zns) { | |
647 | log_err("ioeng->get_max_open_zones(): xnvme_dev_get_ns_css(), err(%d)\n", errno); | |
648 | err = -errno; | |
649 | goto exit; | |
650 | } | |
651 | ||
652 | /* | |
653 | * intentional overflow as the value is zero-based and NVMe | |
654 | * defines 0xFFFFFFFF as unlimited thus overflowing to 0 which | |
655 | * is how fio indicates unlimited and otherwise just converting | |
656 | * to one-based. | |
657 | */ | |
658 | *max_open_zones = zns->mor + 1; | |
659 | ||
660 | exit: | |
661 | xnvme_dev_close(dev); | |
662 | err_lock = pthread_mutex_unlock(&g_serialize); | |
663 | if (err_lock) | |
664 | log_err("ioeng->get_max_open_zones(): pthread_mutex_unlock(), err(%d)\n", | |
665 | err_lock); | |
666 | ||
667 | return err; | |
668 | } | |
669 | ||
670 | /** | |
671 | * Currently, this function is called before of I/O engine initialization, so, | |
672 | * we cannot consult the file-wrapping done when 'fioe' initializes. | |
673 | * Instead we just open based on the given filename. | |
674 | * | |
675 | * TODO: unify the different setup methods, consider keeping the handle around, | |
676 | * and consider how to support the --be option in this usecase | |
677 | */ | |
678 | static int xnvme_fioe_get_zoned_model(struct thread_data *td, struct fio_file *f, | |
679 | enum zbd_zoned_model *model) | |
680 | { | |
681 | struct xnvme_opts opts = xnvme_opts_from_fioe(td); | |
682 | struct xnvme_dev *dev; | |
683 | int err = 0, err_lock; | |
684 | ||
685 | if (f->filetype != FIO_TYPE_FILE && f->filetype != FIO_TYPE_BLOCK && | |
686 | f->filetype != FIO_TYPE_CHAR) { | |
687 | log_info("ioeng->get_zoned_model(): ignoring filetype: %d\n", f->filetype); | |
688 | return -EINVAL; | |
689 | } | |
690 | ||
691 | err = pthread_mutex_lock(&g_serialize); | |
692 | if (err) { | |
693 | log_err("ioeng->get_zoned_model(): pthread_mutex_lock(), err(%d)\n", err); | |
694 | return -err; | |
695 | } | |
696 | ||
697 | dev = xnvme_dev_open(f->file_name, &opts); | |
698 | if (!dev) { | |
699 | log_err("ioeng->get_zoned_model(): xnvme_dev_open(%s) failed, errno: %d\n", | |
700 | f->file_name, errno); | |
701 | err = -errno; | |
702 | goto exit; | |
703 | } | |
704 | ||
705 | switch (xnvme_dev_get_geo(dev)->type) { | |
706 | case XNVME_GEO_UNKNOWN: | |
707 | dprint(FD_ZBD, "%s: got 'unknown', assigning ZBD_NONE\n", f->file_name); | |
708 | *model = ZBD_NONE; | |
709 | break; | |
710 | ||
711 | case XNVME_GEO_CONVENTIONAL: | |
712 | dprint(FD_ZBD, "%s: got 'conventional', assigning ZBD_NONE\n", f->file_name); | |
713 | *model = ZBD_NONE; | |
714 | break; | |
715 | ||
716 | case XNVME_GEO_ZONED: | |
717 | dprint(FD_ZBD, "%s: got 'zoned', assigning ZBD_HOST_MANAGED\n", f->file_name); | |
718 | *model = ZBD_HOST_MANAGED; | |
719 | break; | |
720 | ||
721 | default: | |
722 | dprint(FD_ZBD, "%s: hit-default, assigning ZBD_NONE\n", f->file_name); | |
723 | *model = ZBD_NONE; | |
724 | errno = EINVAL; | |
725 | err = -errno; | |
726 | break; | |
727 | } | |
728 | ||
729 | exit: | |
730 | xnvme_dev_close(dev); | |
731 | ||
732 | err_lock = pthread_mutex_unlock(&g_serialize); | |
733 | if (err_lock) | |
734 | log_err("ioeng->get_zoned_model(): pthread_mutex_unlock(), err(%d)\n", err_lock); | |
735 | ||
736 | return err; | |
737 | } | |
738 | ||
739 | /** | |
740 | * Fills the given ``zbdz`` with at most ``nr_zones`` zone-descriptors. | |
741 | * | |
742 | * The implementation converts the NVMe Zoned Command Set log-pages for Zone | |
743 | * descriptors into the Linux Kernel Zoned Block Report format. | |
744 | * | |
745 | * NOTE: This function is called before I/O engine initialization, that is, | |
746 | * before ``_dev_open`` has been called and file-wrapping is setup. Thus is has | |
747 | * to do the ``_dev_open`` itself, and shut it down again once it is done | |
748 | * retrieving the log-pages and converting them to the report format. | |
749 | * | |
750 | * TODO: unify the different setup methods, consider keeping the handle around, | |
751 | * and consider how to support the --async option in this usecase | |
752 | */ | |
753 | static int xnvme_fioe_report_zones(struct thread_data *td, struct fio_file *f, uint64_t offset, | |
754 | struct zbd_zone *zbdz, unsigned int nr_zones) | |
755 | { | |
756 | struct xnvme_opts opts = xnvme_opts_from_fioe(td); | |
757 | const struct xnvme_spec_znd_idfy_lbafe *lbafe = NULL; | |
758 | struct xnvme_dev *dev = NULL; | |
759 | const struct xnvme_geo *geo = NULL; | |
760 | struct xnvme_znd_report *rprt = NULL; | |
761 | uint32_t ssw; | |
762 | uint64_t slba; | |
763 | unsigned int limit = 0; | |
764 | int err = 0, err_lock; | |
765 | ||
766 | dprint(FD_ZBD, "%s: report_zones() offset: %zu, nr_zones: %u\n", f->file_name, offset, | |
767 | nr_zones); | |
768 | ||
769 | err = pthread_mutex_lock(&g_serialize); | |
770 | if (err) { | |
771 | log_err("ioeng->report_zones(%s): pthread_mutex_lock(), err(%d)\n", f->file_name, | |
772 | err); | |
773 | return -err; | |
774 | } | |
775 | ||
776 | dev = xnvme_dev_open(f->file_name, &opts); | |
777 | if (!dev) { | |
778 | log_err("ioeng->report_zones(%s): xnvme_dev_open(), err(%d)\n", f->file_name, | |
779 | errno); | |
780 | goto exit; | |
781 | } | |
782 | ||
783 | geo = xnvme_dev_get_geo(dev); | |
784 | ssw = xnvme_dev_get_ssw(dev); | |
785 | lbafe = xnvme_znd_dev_get_lbafe(dev); | |
786 | ||
787 | limit = nr_zones > geo->nzone ? geo->nzone : nr_zones; | |
788 | ||
789 | dprint(FD_ZBD, "%s: limit: %u\n", f->file_name, limit); | |
790 | ||
791 | slba = ((offset >> ssw) / geo->nsect) * geo->nsect; | |
792 | ||
793 | rprt = xnvme_znd_report_from_dev(dev, slba, limit, 0); | |
794 | if (!rprt) { | |
795 | log_err("ioeng->report_zones(%s): xnvme_znd_report_from_dev(), err(%d)\n", | |
796 | f->file_name, errno); | |
797 | err = -errno; | |
798 | goto exit; | |
799 | } | |
800 | if (rprt->nentries != limit) { | |
801 | log_err("ioeng->report_zones(%s): nentries != nr_zones\n", f->file_name); | |
802 | err = 1; | |
803 | goto exit; | |
804 | } | |
805 | if (offset > geo->tbytes) { | |
806 | log_err("ioeng->report_zones(%s): out-of-bounds\n", f->file_name); | |
807 | goto exit; | |
808 | } | |
809 | ||
810 | /* Transform the zone-report */ | |
811 | for (uint32_t idx = 0; idx < rprt->nentries; ++idx) { | |
812 | struct xnvme_spec_znd_descr *descr = XNVME_ZND_REPORT_DESCR(rprt, idx); | |
813 | ||
814 | zbdz[idx].start = descr->zslba << ssw; | |
815 | zbdz[idx].len = lbafe->zsze << ssw; | |
816 | zbdz[idx].capacity = descr->zcap << ssw; | |
817 | zbdz[idx].wp = descr->wp << ssw; | |
818 | ||
819 | switch (descr->zt) { | |
820 | case XNVME_SPEC_ZND_TYPE_SEQWR: | |
821 | zbdz[idx].type = ZBD_ZONE_TYPE_SWR; | |
822 | break; | |
823 | ||
824 | default: | |
825 | log_err("ioeng->report_zones(%s): invalid type for zone at offset(%zu)\n", | |
826 | f->file_name, zbdz[idx].start); | |
827 | err = -EIO; | |
828 | goto exit; | |
829 | } | |
830 | ||
831 | switch (descr->zs) { | |
832 | case XNVME_SPEC_ZND_STATE_EMPTY: | |
833 | zbdz[idx].cond = ZBD_ZONE_COND_EMPTY; | |
834 | break; | |
835 | case XNVME_SPEC_ZND_STATE_IOPEN: | |
836 | zbdz[idx].cond = ZBD_ZONE_COND_IMP_OPEN; | |
837 | break; | |
838 | case XNVME_SPEC_ZND_STATE_EOPEN: | |
839 | zbdz[idx].cond = ZBD_ZONE_COND_EXP_OPEN; | |
840 | break; | |
841 | case XNVME_SPEC_ZND_STATE_CLOSED: | |
842 | zbdz[idx].cond = ZBD_ZONE_COND_CLOSED; | |
843 | break; | |
844 | case XNVME_SPEC_ZND_STATE_FULL: | |
845 | zbdz[idx].cond = ZBD_ZONE_COND_FULL; | |
846 | break; | |
847 | ||
848 | case XNVME_SPEC_ZND_STATE_RONLY: | |
849 | case XNVME_SPEC_ZND_STATE_OFFLINE: | |
850 | default: | |
851 | zbdz[idx].cond = ZBD_ZONE_COND_OFFLINE; | |
852 | break; | |
853 | } | |
854 | } | |
855 | ||
856 | exit: | |
857 | xnvme_buf_virt_free(rprt); | |
858 | ||
859 | xnvme_dev_close(dev); | |
860 | ||
861 | err_lock = pthread_mutex_unlock(&g_serialize); | |
862 | if (err_lock) | |
863 | log_err("ioeng->report_zones(): pthread_mutex_unlock(), err: %d\n", err_lock); | |
864 | ||
865 | dprint(FD_ZBD, "err: %d, nr_zones: %d\n", err, (int)nr_zones); | |
866 | ||
867 | return err ? err : (int)limit; | |
868 | } | |
869 | ||
870 | /** | |
871 | * NOTE: This function may get called before I/O engine initialization, that is, | |
872 | * before ``_dev_open`` has been called and file-wrapping is setup. In such | |
873 | * case it has to do ``_dev_open`` itself, and shut it down again once it is | |
874 | * done resetting write pointer of zones. | |
875 | */ | |
876 | static int xnvme_fioe_reset_wp(struct thread_data *td, struct fio_file *f, uint64_t offset, | |
877 | uint64_t length) | |
878 | { | |
879 | struct xnvme_opts opts = xnvme_opts_from_fioe(td); | |
880 | struct xnvme_fioe_data *xd = NULL; | |
881 | struct xnvme_fioe_fwrap *fwrap = NULL; | |
882 | struct xnvme_dev *dev = NULL; | |
883 | const struct xnvme_geo *geo = NULL; | |
884 | uint64_t first, last; | |
885 | uint32_t ssw; | |
886 | uint32_t nsid; | |
887 | int err = 0, err_lock; | |
888 | ||
889 | if (td->io_ops_data) { | |
890 | xd = td->io_ops_data; | |
891 | fwrap = &xd->files[f->fileno]; | |
892 | ||
893 | assert(fwrap->dev); | |
894 | assert(fwrap->geo); | |
895 | ||
896 | dev = fwrap->dev; | |
897 | geo = fwrap->geo; | |
898 | ssw = fwrap->ssw; | |
899 | } else { | |
900 | err = pthread_mutex_lock(&g_serialize); | |
901 | if (err) { | |
902 | log_err("ioeng->reset_wp(): pthread_mutex_lock(), err(%d)\n", err); | |
903 | return -err; | |
904 | } | |
905 | ||
906 | dev = xnvme_dev_open(f->file_name, &opts); | |
907 | if (!dev) { | |
908 | log_err("ioeng->reset_wp(): xnvme_dev_open(%s) failed, errno(%d)\n", | |
909 | f->file_name, errno); | |
910 | goto exit; | |
911 | } | |
912 | geo = xnvme_dev_get_geo(dev); | |
913 | ssw = xnvme_dev_get_ssw(dev); | |
914 | } | |
915 | ||
916 | nsid = xnvme_dev_get_nsid(dev); | |
917 | ||
918 | first = ((offset >> ssw) / geo->nsect) * geo->nsect; | |
919 | last = (((offset + length) >> ssw) / geo->nsect) * geo->nsect; | |
920 | dprint(FD_ZBD, "first: 0x%lx, last: 0x%lx\n", first, last); | |
921 | ||
922 | for (uint64_t zslba = first; zslba < last; zslba += geo->nsect) { | |
923 | struct xnvme_cmd_ctx ctx = xnvme_cmd_ctx_from_dev(dev); | |
924 | ||
925 | if (zslba >= (geo->nsect * geo->nzone)) { | |
926 | log_err("ioeng->reset_wp(): out-of-bounds\n"); | |
927 | err = 0; | |
928 | break; | |
929 | } | |
930 | ||
931 | err = xnvme_znd_mgmt_send(&ctx, nsid, zslba, false, | |
932 | XNVME_SPEC_ZND_CMD_MGMT_SEND_RESET, 0x0, NULL); | |
933 | if (err || xnvme_cmd_ctx_cpl_status(&ctx)) { | |
934 | err = err ? err : -EIO; | |
935 | log_err("ioeng->reset_wp(): err(%d), sc(%d)", err, ctx.cpl.status.sc); | |
936 | goto exit; | |
937 | } | |
938 | } | |
939 | ||
940 | exit: | |
941 | if (!td->io_ops_data) { | |
942 | xnvme_dev_close(dev); | |
943 | ||
944 | err_lock = pthread_mutex_unlock(&g_serialize); | |
945 | if (err_lock) | |
946 | log_err("ioeng->reset_wp(): pthread_mutex_unlock(), err(%d)\n", err_lock); | |
947 | } | |
948 | ||
949 | return err; | |
950 | } | |
951 | ||
e5f3b613 AK |
952 | static int xnvme_fioe_fetch_ruhs(struct thread_data *td, struct fio_file *f, |
953 | struct fio_ruhs_info *fruhs_info) | |
954 | { | |
955 | struct xnvme_opts opts = xnvme_opts_from_fioe(td); | |
956 | struct xnvme_dev *dev; | |
957 | struct xnvme_spec_ruhs *ruhs; | |
958 | struct xnvme_cmd_ctx ctx; | |
959 | uint32_t ruhs_nbytes; | |
960 | uint32_t nsid; | |
961 | int err = 0, err_lock; | |
962 | ||
48cf0c63 | 963 | if (f->filetype != FIO_TYPE_CHAR && f->filetype != FIO_TYPE_FILE) { |
e5f3b613 AK |
964 | log_err("ioeng->fdp_ruhs(): ignoring filetype: %d\n", f->filetype); |
965 | return -EINVAL; | |
966 | } | |
967 | ||
968 | err = pthread_mutex_lock(&g_serialize); | |
969 | if (err) { | |
970 | log_err("ioeng->fdp_ruhs(): pthread_mutex_lock(), err(%d)\n", err); | |
971 | return -err; | |
972 | } | |
973 | ||
974 | dev = xnvme_dev_open(f->file_name, &opts); | |
975 | if (!dev) { | |
976 | log_err("ioeng->fdp_ruhs(): xnvme_dev_open(%s) failed, errno: %d\n", | |
977 | f->file_name, errno); | |
978 | err = -errno; | |
979 | goto exit; | |
980 | } | |
981 | ||
982 | ruhs_nbytes = sizeof(*ruhs) + (FDP_MAX_RUHS * sizeof(struct xnvme_spec_ruhs_desc)); | |
983 | ruhs = xnvme_buf_alloc(dev, ruhs_nbytes); | |
984 | if (!ruhs) { | |
985 | err = -errno; | |
986 | goto exit; | |
987 | } | |
988 | memset(ruhs, 0, ruhs_nbytes); | |
989 | ||
990 | ctx = xnvme_cmd_ctx_from_dev(dev); | |
991 | nsid = xnvme_dev_get_nsid(dev); | |
992 | ||
993 | err = xnvme_nvm_mgmt_recv(&ctx, nsid, XNVME_SPEC_IO_MGMT_RECV_RUHS, 0, ruhs, ruhs_nbytes); | |
994 | ||
995 | if (err || xnvme_cmd_ctx_cpl_status(&ctx)) { | |
996 | err = err ? err : -EIO; | |
997 | log_err("ioeng->fdp_ruhs(): err(%d), sc(%d)", err, ctx.cpl.status.sc); | |
998 | goto free_buffer; | |
999 | } | |
1000 | ||
1001 | fruhs_info->nr_ruhs = ruhs->nruhsd; | |
1002 | for (uint32_t idx = 0; idx < fruhs_info->nr_ruhs; ++idx) { | |
1003 | fruhs_info->plis[idx] = le16_to_cpu(ruhs->desc[idx].pi); | |
1004 | } | |
1005 | ||
1006 | free_buffer: | |
1007 | xnvme_buf_free(dev, ruhs); | |
1008 | exit: | |
1009 | xnvme_dev_close(dev); | |
1010 | ||
1011 | err_lock = pthread_mutex_unlock(&g_serialize); | |
1012 | if (err_lock) | |
1013 | log_err("ioeng->fdp_ruhs(): pthread_mutex_unlock(), err(%d)\n", err_lock); | |
1014 | ||
1015 | return err; | |
1016 | } | |
1017 | ||
a3ff873e AK |
1018 | static int xnvme_fioe_get_file_size(struct thread_data *td, struct fio_file *f) |
1019 | { | |
1020 | struct xnvme_opts opts = xnvme_opts_from_fioe(td); | |
1021 | struct xnvme_dev *dev; | |
1022 | int ret = 0, err; | |
1023 | ||
1024 | if (fio_file_size_known(f)) | |
1025 | return 0; | |
1026 | ||
1027 | ret = pthread_mutex_lock(&g_serialize); | |
1028 | if (ret) { | |
1029 | log_err("ioeng->reset_wp(): pthread_mutex_lock(), err(%d)\n", ret); | |
1030 | return -ret; | |
1031 | } | |
1032 | ||
1033 | dev = xnvme_dev_open(f->file_name, &opts); | |
1034 | if (!dev) { | |
1035 | log_err("%s: failed retrieving device handle, errno: %d\n", f->file_name, errno); | |
1036 | ret = -errno; | |
1037 | goto exit; | |
1038 | } | |
1039 | ||
1040 | f->real_file_size = xnvme_dev_get_geo(dev)->tbytes; | |
1041 | fio_file_set_size_known(f); | |
e5f3b613 AK |
1042 | |
1043 | if (td->o.zone_mode == ZONE_MODE_ZBD) | |
1044 | f->filetype = FIO_TYPE_BLOCK; | |
a3ff873e AK |
1045 | |
1046 | exit: | |
1047 | xnvme_dev_close(dev); | |
1048 | err = pthread_mutex_unlock(&g_serialize); | |
1049 | if (err) | |
1050 | log_err("ioeng->reset_wp(): pthread_mutex_unlock(), err(%d)\n", err); | |
1051 | ||
1052 | return ret; | |
1053 | } | |
1054 | ||
1055 | FIO_STATIC struct ioengine_ops ioengine = { | |
1056 | .name = "xnvme", | |
1057 | .version = FIO_IOOPS_VERSION, | |
1058 | .options = options, | |
1059 | .option_struct_size = sizeof(struct xnvme_fioe_options), | |
1060 | .flags = FIO_DISKLESSIO | FIO_NODISKUTIL | FIO_NOEXTEND | FIO_MEMALIGN | FIO_RAWIO, | |
1061 | ||
1062 | .cleanup = xnvme_fioe_cleanup, | |
1063 | .init = xnvme_fioe_init, | |
1064 | ||
1065 | .iomem_free = xnvme_fioe_iomem_free, | |
1066 | .iomem_alloc = xnvme_fioe_iomem_alloc, | |
1067 | ||
1068 | .io_u_free = xnvme_fioe_io_u_free, | |
1069 | .io_u_init = xnvme_fioe_io_u_init, | |
1070 | ||
1071 | .event = xnvme_fioe_event, | |
1072 | .getevents = xnvme_fioe_getevents, | |
1073 | .queue = xnvme_fioe_queue, | |
1074 | ||
1075 | .close_file = xnvme_fioe_close, | |
1076 | .open_file = xnvme_fioe_open, | |
1077 | .get_file_size = xnvme_fioe_get_file_size, | |
1078 | ||
1079 | .invalidate = xnvme_fioe_invalidate, | |
1080 | .get_max_open_zones = xnvme_fioe_get_max_open_zones, | |
1081 | .get_zoned_model = xnvme_fioe_get_zoned_model, | |
1082 | .report_zones = xnvme_fioe_report_zones, | |
1083 | .reset_wp = xnvme_fioe_reset_wp, | |
e5f3b613 AK |
1084 | |
1085 | .fdp_fetch_ruhs = xnvme_fioe_fetch_ruhs, | |
a3ff873e AK |
1086 | }; |
1087 | ||
1088 | static void fio_init fio_xnvme_register(void) | |
1089 | { | |
1090 | register_ioengine(&ioengine); | |
1091 | } | |
1092 | ||
1093 | static void fio_exit fio_xnvme_unregister(void) | |
1094 | { | |
1095 | unregister_ioengine(&ioengine); | |
1096 | } |