Commit | Line | Data |
---|---|---|
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> | |
13 | #include <libxnvme_libconf.h> | |
14 | #include <libxnvme_nvm.h> | |
15 | #include <libxnvme_znd.h> | |
16 | #include <libxnvme_spec_fs.h> | |
17 | #include "fio.h" | |
18 | #include "zbd_types.h" | |
e5f3b613 | 19 | #include "fdp.h" |
a3ff873e AK |
20 | #include "optgroup.h" |
21 | ||
22 | static pthread_mutex_t g_serialize = PTHREAD_MUTEX_INITIALIZER; | |
23 | ||
24 | struct xnvme_fioe_fwrap { | |
25 | /* fio file representation */ | |
26 | struct fio_file *fio_file; | |
27 | ||
28 | /* xNVMe device handle */ | |
29 | struct xnvme_dev *dev; | |
30 | /* xNVMe device geometry */ | |
31 | const struct xnvme_geo *geo; | |
32 | ||
33 | struct xnvme_queue *queue; | |
34 | ||
35 | uint32_t ssw; | |
36 | uint32_t lba_nbytes; | |
37 | ||
38 | uint8_t _pad[24]; | |
39 | }; | |
40 | XNVME_STATIC_ASSERT(sizeof(struct xnvme_fioe_fwrap) == 64, "Incorrect size") | |
41 | ||
42 | struct xnvme_fioe_data { | |
43 | /* I/O completion queue */ | |
44 | struct io_u **iocq; | |
45 | ||
46 | /* # of iocq entries; incremented via getevents()/cb_pool() */ | |
47 | uint64_t completed; | |
48 | ||
49 | /* | |
50 | * # of errors; incremented when observed on completion via | |
51 | * getevents()/cb_pool() | |
52 | */ | |
53 | uint64_t ecount; | |
54 | ||
55 | /* Controller which device/file to select */ | |
56 | int32_t prev; | |
57 | int32_t cur; | |
58 | ||
59 | /* Number of devices/files for which open() has been called */ | |
60 | int64_t nopen; | |
61 | /* Number of devices/files allocated in files[] */ | |
62 | uint64_t nallocated; | |
63 | ||
64 | struct iovec *iovec; | |
65 | ||
66 | uint8_t _pad[8]; | |
67 | ||
68 | struct xnvme_fioe_fwrap files[]; | |
69 | }; | |
70 | XNVME_STATIC_ASSERT(sizeof(struct xnvme_fioe_data) == 64, "Incorrect size") | |
71 | ||
72 | struct xnvme_fioe_options { | |
73 | void *padding; | |
74 | unsigned int hipri; | |
75 | unsigned int sqpoll_thread; | |
76 | unsigned int xnvme_dev_nsid; | |
77 | unsigned int xnvme_iovec; | |
78 | char *xnvme_be; | |
c945074c | 79 | char *xnvme_mem; |
a3ff873e AK |
80 | char *xnvme_async; |
81 | char *xnvme_sync; | |
82 | char *xnvme_admin; | |
efbafe2a | 83 | char *xnvme_dev_subnqn; |
a3ff873e AK |
84 | }; |
85 | ||
86 | static struct fio_option options[] = { | |
87 | { | |
88 | .name = "hipri", | |
89 | .lname = "High Priority", | |
90 | .type = FIO_OPT_STR_SET, | |
91 | .off1 = offsetof(struct xnvme_fioe_options, hipri), | |
92 | .help = "Use polled IO completions", | |
93 | .category = FIO_OPT_C_ENGINE, | |
94 | .group = FIO_OPT_G_XNVME, | |
95 | }, | |
96 | { | |
97 | .name = "sqthread_poll", | |
98 | .lname = "Kernel SQ thread polling", | |
99 | .type = FIO_OPT_STR_SET, | |
100 | .off1 = offsetof(struct xnvme_fioe_options, sqpoll_thread), | |
101 | .help = "Offload submission/completion to kernel thread", | |
102 | .category = FIO_OPT_C_ENGINE, | |
103 | .group = FIO_OPT_G_XNVME, | |
104 | }, | |
105 | { | |
106 | .name = "xnvme_be", | |
107 | .lname = "xNVMe Backend", | |
108 | .type = FIO_OPT_STR_STORE, | |
109 | .off1 = offsetof(struct xnvme_fioe_options, xnvme_be), | |
110 | .help = "Select xNVMe backend [spdk,linux,fbsd]", | |
111 | .category = FIO_OPT_C_ENGINE, | |
112 | .group = FIO_OPT_G_XNVME, | |
113 | }, | |
c945074c AK |
114 | { |
115 | .name = "xnvme_mem", | |
116 | .lname = "xNVMe Memory Backend", | |
117 | .type = FIO_OPT_STR_STORE, | |
118 | .off1 = offsetof(struct xnvme_fioe_options, xnvme_mem), | |
119 | .help = "Select xNVMe memory backend", | |
120 | .category = FIO_OPT_C_ENGINE, | |
121 | .group = FIO_OPT_G_XNVME, | |
122 | }, | |
a3ff873e AK |
123 | { |
124 | .name = "xnvme_async", | |
125 | .lname = "xNVMe Asynchronous command-interface", | |
126 | .type = FIO_OPT_STR_STORE, | |
127 | .off1 = offsetof(struct xnvme_fioe_options, xnvme_async), | |
203a4c7c AK |
128 | .help = "Select xNVMe async. interface: " |
129 | "[emu,thrpool,io_uring,io_uring_cmd,libaio,posix,vfio,nil]", | |
a3ff873e AK |
130 | .category = FIO_OPT_C_ENGINE, |
131 | .group = FIO_OPT_G_XNVME, | |
132 | }, | |
133 | { | |
134 | .name = "xnvme_sync", | |
135 | .lname = "xNVMe Synchronous. command-interface", | |
136 | .type = FIO_OPT_STR_STORE, | |
137 | .off1 = offsetof(struct xnvme_fioe_options, xnvme_sync), | |
203a4c7c | 138 | .help = "Select xNVMe sync. interface: [nvme,psync,block]", |
a3ff873e AK |
139 | .category = FIO_OPT_C_ENGINE, |
140 | .group = FIO_OPT_G_XNVME, | |
141 | }, | |
142 | { | |
143 | .name = "xnvme_admin", | |
144 | .lname = "xNVMe Admin command-interface", | |
145 | .type = FIO_OPT_STR_STORE, | |
146 | .off1 = offsetof(struct xnvme_fioe_options, xnvme_admin), | |
203a4c7c | 147 | .help = "Select xNVMe admin. cmd-interface: [nvme,block]", |
a3ff873e AK |
148 | .category = FIO_OPT_C_ENGINE, |
149 | .group = FIO_OPT_G_XNVME, | |
150 | }, | |
151 | { | |
152 | .name = "xnvme_dev_nsid", | |
153 | .lname = "xNVMe Namespace-Identifier, for user-space NVMe driver", | |
154 | .type = FIO_OPT_INT, | |
155 | .off1 = offsetof(struct xnvme_fioe_options, xnvme_dev_nsid), | |
156 | .help = "xNVMe Namespace-Identifier, for user-space NVMe driver", | |
157 | .category = FIO_OPT_C_ENGINE, | |
158 | .group = FIO_OPT_G_XNVME, | |
159 | }, | |
efbafe2a AK |
160 | { |
161 | .name = "xnvme_dev_subnqn", | |
162 | .lname = "Subsystem nqn for Fabrics", | |
163 | .type = FIO_OPT_STR_STORE, | |
164 | .off1 = offsetof(struct xnvme_fioe_options, xnvme_dev_subnqn), | |
165 | .help = "Subsystem NQN for Fabrics", | |
166 | .category = FIO_OPT_C_ENGINE, | |
167 | .group = FIO_OPT_G_XNVME, | |
168 | }, | |
a3ff873e AK |
169 | { |
170 | .name = "xnvme_iovec", | |
171 | .lname = "Vectored IOs", | |
172 | .type = FIO_OPT_STR_SET, | |
173 | .off1 = offsetof(struct xnvme_fioe_options, xnvme_iovec), | |
174 | .help = "Send vectored IOs", | |
175 | .category = FIO_OPT_C_ENGINE, | |
176 | .group = FIO_OPT_G_XNVME, | |
177 | }, | |
178 | ||
179 | { | |
180 | .name = NULL, | |
181 | }, | |
182 | }; | |
183 | ||
184 | static void cb_pool(struct xnvme_cmd_ctx *ctx, void *cb_arg) | |
185 | { | |
186 | struct io_u *io_u = cb_arg; | |
187 | struct xnvme_fioe_data *xd = io_u->mmap_data; | |
188 | ||
189 | if (xnvme_cmd_ctx_cpl_status(ctx)) { | |
190 | xnvme_cmd_ctx_pr(ctx, XNVME_PR_DEF); | |
191 | xd->ecount += 1; | |
192 | io_u->error = EIO; | |
193 | } | |
194 | ||
195 | xd->iocq[xd->completed++] = io_u; | |
196 | xnvme_queue_put_cmd_ctx(ctx->async.queue, ctx); | |
197 | } | |
198 | ||
199 | static struct xnvme_opts xnvme_opts_from_fioe(struct thread_data *td) | |
200 | { | |
201 | struct xnvme_fioe_options *o = td->eo; | |
202 | struct xnvme_opts opts = xnvme_opts_default(); | |
203 | ||
204 | opts.nsid = o->xnvme_dev_nsid; | |
efbafe2a | 205 | opts.subnqn = o->xnvme_dev_subnqn; |
a3ff873e | 206 | opts.be = o->xnvme_be; |
c945074c | 207 | opts.mem = o->xnvme_mem; |
a3ff873e AK |
208 | opts.async = o->xnvme_async; |
209 | opts.sync = o->xnvme_sync; | |
210 | opts.admin = o->xnvme_admin; | |
211 | ||
212 | opts.poll_io = o->hipri; | |
213 | opts.poll_sq = o->sqpoll_thread; | |
214 | ||
215 | opts.direct = td->o.odirect; | |
216 | ||
217 | return opts; | |
218 | } | |
219 | ||
220 | static void _dev_close(struct thread_data *td, struct xnvme_fioe_fwrap *fwrap) | |
221 | { | |
222 | if (fwrap->dev) | |
223 | xnvme_queue_term(fwrap->queue); | |
224 | ||
225 | xnvme_dev_close(fwrap->dev); | |
226 | ||
227 | memset(fwrap, 0, sizeof(*fwrap)); | |
228 | } | |
229 | ||
230 | static void xnvme_fioe_cleanup(struct thread_data *td) | |
231 | { | |
fdac9c68 | 232 | struct xnvme_fioe_data *xd = NULL; |
a3ff873e AK |
233 | int err; |
234 | ||
fdac9c68 AK |
235 | if (!td->io_ops_data) |
236 | return; | |
237 | ||
238 | xd = td->io_ops_data; | |
239 | ||
a3ff873e AK |
240 | err = pthread_mutex_lock(&g_serialize); |
241 | if (err) | |
242 | log_err("ioeng->cleanup(): pthread_mutex_lock(), err(%d)\n", err); | |
243 | /* NOTE: not returning here */ | |
244 | ||
245 | for (uint64_t i = 0; i < xd->nallocated; ++i) | |
246 | _dev_close(td, &xd->files[i]); | |
247 | ||
248 | if (!err) { | |
249 | err = pthread_mutex_unlock(&g_serialize); | |
250 | if (err) | |
251 | log_err("ioeng->cleanup(): pthread_mutex_unlock(), err(%d)\n", err); | |
252 | } | |
253 | ||
254 | free(xd->iocq); | |
255 | free(xd->iovec); | |
256 | free(xd); | |
257 | td->io_ops_data = NULL; | |
258 | } | |
259 | ||
260 | /** | |
261 | * Helper function setting up device handles as addressed by the naming | |
262 | * convention of the given `fio_file` filename. | |
263 | * | |
264 | * Checks thread-options for explicit control of asynchronous implementation via | |
265 | * the ``--xnvme_async={thrpool,emu,posix,io_uring,libaio,nil}``. | |
266 | */ | |
267 | static int _dev_open(struct thread_data *td, struct fio_file *f) | |
268 | { | |
269 | struct xnvme_opts opts = xnvme_opts_from_fioe(td); | |
270 | struct xnvme_fioe_data *xd = td->io_ops_data; | |
271 | struct xnvme_fioe_fwrap *fwrap; | |
272 | int flags = 0; | |
273 | int err; | |
274 | ||
275 | if (f->fileno > (int)xd->nallocated) { | |
276 | log_err("ioeng->_dev_open(%s): invalid assumption\n", f->file_name); | |
277 | return 1; | |
278 | } | |
279 | ||
280 | fwrap = &xd->files[f->fileno]; | |
281 | ||
282 | err = pthread_mutex_lock(&g_serialize); | |
283 | if (err) { | |
284 | log_err("ioeng->_dev_open(%s): pthread_mutex_lock(), err(%d)\n", f->file_name, | |
285 | err); | |
286 | return -err; | |
287 | } | |
288 | ||
289 | fwrap->dev = xnvme_dev_open(f->file_name, &opts); | |
290 | if (!fwrap->dev) { | |
291 | log_err("ioeng->_dev_open(%s): xnvme_dev_open(), err(%d)\n", f->file_name, errno); | |
292 | goto failure; | |
293 | } | |
294 | fwrap->geo = xnvme_dev_get_geo(fwrap->dev); | |
295 | ||
296 | if (xnvme_queue_init(fwrap->dev, td->o.iodepth, flags, &(fwrap->queue))) { | |
297 | log_err("ioeng->_dev_open(%s): xnvme_queue_init(), err(?)\n", f->file_name); | |
298 | goto failure; | |
299 | } | |
300 | xnvme_queue_set_cb(fwrap->queue, cb_pool, NULL); | |
301 | ||
302 | fwrap->ssw = xnvme_dev_get_ssw(fwrap->dev); | |
303 | fwrap->lba_nbytes = fwrap->geo->lba_nbytes; | |
304 | ||
305 | fwrap->fio_file = f; | |
306 | fwrap->fio_file->filetype = FIO_TYPE_BLOCK; | |
307 | fwrap->fio_file->real_file_size = fwrap->geo->tbytes; | |
308 | fio_file_set_size_known(fwrap->fio_file); | |
309 | ||
310 | err = pthread_mutex_unlock(&g_serialize); | |
311 | if (err) | |
312 | log_err("ioeng->_dev_open(%s): pthread_mutex_unlock(), err(%d)\n", f->file_name, | |
313 | err); | |
314 | ||
315 | return 0; | |
316 | ||
317 | failure: | |
318 | xnvme_queue_term(fwrap->queue); | |
319 | xnvme_dev_close(fwrap->dev); | |
320 | ||
321 | err = pthread_mutex_unlock(&g_serialize); | |
322 | if (err) | |
323 | log_err("ioeng->_dev_open(%s): pthread_mutex_unlock(), err(%d)\n", f->file_name, | |
324 | err); | |
325 | ||
326 | return 1; | |
327 | } | |
328 | ||
329 | static int xnvme_fioe_init(struct thread_data *td) | |
330 | { | |
331 | struct xnvme_fioe_data *xd = NULL; | |
332 | struct fio_file *f; | |
333 | unsigned int i; | |
334 | ||
335 | if (!td->o.use_thread) { | |
336 | log_err("ioeng->init(): --thread=1 is required\n"); | |
337 | return 1; | |
338 | } | |
339 | ||
340 | /* Allocate xd and iocq */ | |
341 | xd = calloc(1, sizeof(*xd) + sizeof(*xd->files) * td->o.nr_files); | |
342 | if (!xd) { | |
343 | log_err("ioeng->init(): !calloc(), err(%d)\n", errno); | |
344 | return 1; | |
345 | } | |
346 | ||
347 | xd->iocq = calloc(td->o.iodepth, sizeof(struct io_u *)); | |
348 | if (!xd->iocq) { | |
eb3570b5 AK |
349 | free(xd); |
350 | log_err("ioeng->init(): !calloc(xd->iocq), err(%d)\n", errno); | |
a3ff873e AK |
351 | return 1; |
352 | } | |
353 | ||
354 | xd->iovec = calloc(td->o.iodepth, sizeof(*xd->iovec)); | |
355 | if (!xd->iovec) { | |
eb3570b5 AK |
356 | free(xd->iocq); |
357 | free(xd); | |
a3ff873e AK |
358 | log_err("ioeng->init(): !calloc(xd->iovec), err(%d)\n", errno); |
359 | return 1; | |
360 | } | |
361 | ||
362 | xd->prev = -1; | |
363 | td->io_ops_data = xd; | |
364 | ||
365 | for_each_file(td, f, i) | |
366 | { | |
367 | if (_dev_open(td, f)) { | |
eb3570b5 AK |
368 | /* |
369 | * Note: We are not freeing xd, iocq and iovec. This | |
370 | * will be done as part of cleanup routine. | |
371 | */ | |
a3ff873e AK |
372 | log_err("ioeng->init(): failed; _dev_open(%s)\n", f->file_name); |
373 | return 1; | |
374 | } | |
375 | ||
376 | ++(xd->nallocated); | |
377 | } | |
378 | ||
379 | if (xd->nallocated != td->o.nr_files) { | |
380 | log_err("ioeng->init(): failed; nallocated != td->o.nr_files\n"); | |
381 | return 1; | |
382 | } | |
383 | ||
384 | return 0; | |
385 | } | |
386 | ||
387 | /* NOTE: using the first device for buffer-allocators) */ | |
388 | static int xnvme_fioe_iomem_alloc(struct thread_data *td, size_t total_mem) | |
389 | { | |
390 | struct xnvme_fioe_data *xd = td->io_ops_data; | |
391 | struct xnvme_fioe_fwrap *fwrap = &xd->files[0]; | |
392 | ||
393 | if (!fwrap->dev) { | |
394 | log_err("ioeng->iomem_alloc(): failed; no dev-handle\n"); | |
395 | return 1; | |
396 | } | |
397 | ||
398 | td->orig_buffer = xnvme_buf_alloc(fwrap->dev, total_mem); | |
399 | ||
400 | return td->orig_buffer == NULL; | |
401 | } | |
402 | ||
403 | /* NOTE: using the first device for buffer-allocators) */ | |
404 | static void xnvme_fioe_iomem_free(struct thread_data *td) | |
405 | { | |
fdac9c68 AK |
406 | struct xnvme_fioe_data *xd = NULL; |
407 | struct xnvme_fioe_fwrap *fwrap = NULL; | |
408 | ||
409 | if (!td->io_ops_data) | |
410 | return; | |
411 | ||
412 | xd = td->io_ops_data; | |
413 | fwrap = &xd->files[0]; | |
a3ff873e AK |
414 | |
415 | if (!fwrap->dev) { | |
416 | log_err("ioeng->iomem_free(): failed no dev-handle\n"); | |
417 | return; | |
418 | } | |
419 | ||
420 | xnvme_buf_free(fwrap->dev, td->orig_buffer); | |
421 | } | |
422 | ||
423 | static int xnvme_fioe_io_u_init(struct thread_data *td, struct io_u *io_u) | |
424 | { | |
425 | io_u->mmap_data = td->io_ops_data; | |
426 | ||
427 | return 0; | |
428 | } | |
429 | ||
430 | static void xnvme_fioe_io_u_free(struct thread_data *td, struct io_u *io_u) | |
431 | { | |
432 | io_u->mmap_data = NULL; | |
433 | } | |
434 | ||
435 | static struct io_u *xnvme_fioe_event(struct thread_data *td, int event) | |
436 | { | |
437 | struct xnvme_fioe_data *xd = td->io_ops_data; | |
438 | ||
439 | assert(event >= 0); | |
440 | assert((unsigned)event < xd->completed); | |
441 | ||
442 | return xd->iocq[event]; | |
443 | } | |
444 | ||
445 | static int xnvme_fioe_getevents(struct thread_data *td, unsigned int min, unsigned int max, | |
446 | const struct timespec *t) | |
447 | { | |
448 | struct xnvme_fioe_data *xd = td->io_ops_data; | |
449 | struct xnvme_fioe_fwrap *fwrap = NULL; | |
450 | int nfiles = xd->nallocated; | |
451 | int err = 0; | |
452 | ||
453 | if (xd->prev != -1 && ++xd->prev < nfiles) { | |
454 | fwrap = &xd->files[xd->prev]; | |
455 | xd->cur = xd->prev; | |
456 | } | |
457 | ||
458 | xd->completed = 0; | |
459 | for (;;) { | |
460 | if (fwrap == NULL || xd->cur == nfiles) { | |
461 | fwrap = &xd->files[0]; | |
462 | xd->cur = 0; | |
463 | } | |
464 | ||
465 | while (fwrap != NULL && xd->cur < nfiles && err >= 0) { | |
466 | err = xnvme_queue_poke(fwrap->queue, max - xd->completed); | |
467 | if (err < 0) { | |
468 | switch (err) { | |
469 | case -EBUSY: | |
470 | case -EAGAIN: | |
471 | usleep(1); | |
472 | break; | |
473 | ||
474 | default: | |
475 | log_err("ioeng->getevents(): unhandled IO error\n"); | |
476 | assert(false); | |
477 | return 0; | |
478 | } | |
479 | } | |
480 | if (xd->completed >= min) { | |
481 | xd->prev = xd->cur; | |
482 | return xd->completed; | |
483 | } | |
484 | xd->cur++; | |
485 | fwrap = &xd->files[xd->cur]; | |
486 | ||
487 | if (err < 0) { | |
488 | switch (err) { | |
489 | case -EBUSY: | |
490 | case -EAGAIN: | |
491 | usleep(1); | |
492 | break; | |
493 | } | |
494 | } | |
495 | } | |
496 | } | |
497 | ||
498 | xd->cur = 0; | |
499 | ||
500 | return xd->completed; | |
501 | } | |
502 | ||
503 | static enum fio_q_status xnvme_fioe_queue(struct thread_data *td, struct io_u *io_u) | |
504 | { | |
505 | struct xnvme_fioe_data *xd = td->io_ops_data; | |
506 | struct xnvme_fioe_fwrap *fwrap; | |
507 | struct xnvme_cmd_ctx *ctx; | |
508 | uint32_t nsid; | |
509 | uint64_t slba; | |
510 | uint16_t nlb; | |
511 | int err; | |
512 | bool vectored_io = ((struct xnvme_fioe_options *)td->eo)->xnvme_iovec; | |
e5f3b613 | 513 | uint32_t dir = io_u->dtype; |
a3ff873e AK |
514 | |
515 | fio_ro_check(td, io_u); | |
516 | ||
517 | fwrap = &xd->files[io_u->file->fileno]; | |
518 | nsid = xnvme_dev_get_nsid(fwrap->dev); | |
519 | ||
520 | slba = io_u->offset >> fwrap->ssw; | |
521 | nlb = (io_u->xfer_buflen >> fwrap->ssw) - 1; | |
522 | ||
523 | ctx = xnvme_queue_get_cmd_ctx(fwrap->queue); | |
524 | ctx->async.cb_arg = io_u; | |
525 | ||
526 | ctx->cmd.common.nsid = nsid; | |
527 | ctx->cmd.nvm.slba = slba; | |
528 | ctx->cmd.nvm.nlb = nlb; | |
e5f3b613 AK |
529 | if (dir) { |
530 | ctx->cmd.nvm.dtype = io_u->dtype; | |
531 | ctx->cmd.nvm.cdw13.dspec = io_u->dspec; | |
532 | } | |
a3ff873e AK |
533 | |
534 | switch (io_u->ddir) { | |
535 | case DDIR_READ: | |
536 | ctx->cmd.common.opcode = XNVME_SPEC_NVM_OPC_READ; | |
537 | break; | |
538 | ||
539 | case DDIR_WRITE: | |
540 | ctx->cmd.common.opcode = XNVME_SPEC_NVM_OPC_WRITE; | |
541 | break; | |
542 | ||
543 | default: | |
544 | log_err("ioeng->queue(): ENOSYS: %u\n", io_u->ddir); | |
eb3570b5 AK |
545 | xnvme_queue_put_cmd_ctx(ctx->async.queue, ctx); |
546 | ||
547 | io_u->error = ENOSYS; | |
a3ff873e | 548 | assert(false); |
eb3570b5 | 549 | return FIO_Q_COMPLETED; |
a3ff873e AK |
550 | } |
551 | ||
552 | if (vectored_io) { | |
553 | xd->iovec[io_u->index].iov_base = io_u->xfer_buf; | |
554 | xd->iovec[io_u->index].iov_len = io_u->xfer_buflen; | |
555 | ||
556 | err = xnvme_cmd_passv(ctx, &xd->iovec[io_u->index], 1, io_u->xfer_buflen, NULL, 0, | |
557 | 0); | |
558 | } else { | |
559 | err = xnvme_cmd_pass(ctx, io_u->xfer_buf, io_u->xfer_buflen, NULL, 0); | |
560 | } | |
561 | switch (err) { | |
562 | case 0: | |
563 | return FIO_Q_QUEUED; | |
564 | ||
565 | case -EBUSY: | |
566 | case -EAGAIN: | |
567 | xnvme_queue_put_cmd_ctx(ctx->async.queue, ctx); | |
568 | return FIO_Q_BUSY; | |
569 | ||
570 | default: | |
571 | log_err("ioeng->queue(): err: '%d'\n", err); | |
572 | ||
573 | xnvme_queue_put_cmd_ctx(ctx->async.queue, ctx); | |
574 | ||
575 | io_u->error = abs(err); | |
576 | assert(false); | |
577 | return FIO_Q_COMPLETED; | |
578 | } | |
579 | } | |
580 | ||
581 | static int xnvme_fioe_close(struct thread_data *td, struct fio_file *f) | |
582 | { | |
583 | struct xnvme_fioe_data *xd = td->io_ops_data; | |
584 | ||
585 | dprint(FD_FILE, "xnvme close %s -- nopen: %ld\n", f->file_name, xd->nopen); | |
586 | ||
587 | --(xd->nopen); | |
588 | ||
589 | return 0; | |
590 | } | |
591 | ||
592 | static int xnvme_fioe_open(struct thread_data *td, struct fio_file *f) | |
593 | { | |
594 | struct xnvme_fioe_data *xd = td->io_ops_data; | |
595 | ||
596 | dprint(FD_FILE, "xnvme open %s -- nopen: %ld\n", f->file_name, xd->nopen); | |
597 | ||
598 | if (f->fileno > (int)xd->nallocated) { | |
599 | log_err("ioeng->open(): f->fileno > xd->nallocated; invalid assumption\n"); | |
600 | return 1; | |
601 | } | |
602 | if (xd->files[f->fileno].fio_file != f) { | |
603 | log_err("ioeng->open(): fio_file != f; invalid assumption\n"); | |
604 | return 1; | |
605 | } | |
606 | ||
607 | ++(xd->nopen); | |
608 | ||
609 | return 0; | |
610 | } | |
611 | ||
612 | static int xnvme_fioe_invalidate(struct thread_data *td, struct fio_file *f) | |
613 | { | |
614 | /* Consider only doing this with be:spdk */ | |
615 | return 0; | |
616 | } | |
617 | ||
618 | static int xnvme_fioe_get_max_open_zones(struct thread_data *td, struct fio_file *f, | |
619 | unsigned int *max_open_zones) | |
620 | { | |
621 | struct xnvme_opts opts = xnvme_opts_from_fioe(td); | |
622 | struct xnvme_dev *dev; | |
623 | const struct xnvme_spec_znd_idfy_ns *zns; | |
624 | int err = 0, err_lock; | |
625 | ||
626 | if (f->filetype != FIO_TYPE_FILE && f->filetype != FIO_TYPE_BLOCK && | |
627 | f->filetype != FIO_TYPE_CHAR) { | |
628 | log_info("ioeng->get_max_open_zoned(): ignoring filetype: %d\n", f->filetype); | |
629 | return 0; | |
630 | } | |
631 | err_lock = pthread_mutex_lock(&g_serialize); | |
632 | if (err_lock) { | |
633 | log_err("ioeng->get_max_open_zones(): pthread_mutex_lock(), err(%d)\n", err_lock); | |
634 | return -err_lock; | |
635 | } | |
636 | ||
637 | dev = xnvme_dev_open(f->file_name, &opts); | |
638 | if (!dev) { | |
639 | log_err("ioeng->get_max_open_zones(): xnvme_dev_open(), err(%d)\n", err_lock); | |
640 | err = -errno; | |
641 | goto exit; | |
642 | } | |
643 | if (xnvme_dev_get_geo(dev)->type != XNVME_GEO_ZONED) { | |
644 | errno = EINVAL; | |
645 | err = -errno; | |
646 | goto exit; | |
647 | } | |
648 | ||
649 | zns = (void *)xnvme_dev_get_ns_css(dev); | |
650 | if (!zns) { | |
651 | log_err("ioeng->get_max_open_zones(): xnvme_dev_get_ns_css(), err(%d)\n", errno); | |
652 | err = -errno; | |
653 | goto exit; | |
654 | } | |
655 | ||
656 | /* | |
657 | * intentional overflow as the value is zero-based and NVMe | |
658 | * defines 0xFFFFFFFF as unlimited thus overflowing to 0 which | |
659 | * is how fio indicates unlimited and otherwise just converting | |
660 | * to one-based. | |
661 | */ | |
662 | *max_open_zones = zns->mor + 1; | |
663 | ||
664 | exit: | |
665 | xnvme_dev_close(dev); | |
666 | err_lock = pthread_mutex_unlock(&g_serialize); | |
667 | if (err_lock) | |
668 | log_err("ioeng->get_max_open_zones(): pthread_mutex_unlock(), err(%d)\n", | |
669 | err_lock); | |
670 | ||
671 | return err; | |
672 | } | |
673 | ||
674 | /** | |
675 | * Currently, this function is called before of I/O engine initialization, so, | |
676 | * we cannot consult the file-wrapping done when 'fioe' initializes. | |
677 | * Instead we just open based on the given filename. | |
678 | * | |
679 | * TODO: unify the different setup methods, consider keeping the handle around, | |
680 | * and consider how to support the --be option in this usecase | |
681 | */ | |
682 | static int xnvme_fioe_get_zoned_model(struct thread_data *td, struct fio_file *f, | |
683 | enum zbd_zoned_model *model) | |
684 | { | |
685 | struct xnvme_opts opts = xnvme_opts_from_fioe(td); | |
686 | struct xnvme_dev *dev; | |
687 | int err = 0, err_lock; | |
688 | ||
689 | if (f->filetype != FIO_TYPE_FILE && f->filetype != FIO_TYPE_BLOCK && | |
690 | f->filetype != FIO_TYPE_CHAR) { | |
691 | log_info("ioeng->get_zoned_model(): ignoring filetype: %d\n", f->filetype); | |
692 | return -EINVAL; | |
693 | } | |
694 | ||
695 | err = pthread_mutex_lock(&g_serialize); | |
696 | if (err) { | |
697 | log_err("ioeng->get_zoned_model(): pthread_mutex_lock(), err(%d)\n", err); | |
698 | return -err; | |
699 | } | |
700 | ||
701 | dev = xnvme_dev_open(f->file_name, &opts); | |
702 | if (!dev) { | |
703 | log_err("ioeng->get_zoned_model(): xnvme_dev_open(%s) failed, errno: %d\n", | |
704 | f->file_name, errno); | |
705 | err = -errno; | |
706 | goto exit; | |
707 | } | |
708 | ||
709 | switch (xnvme_dev_get_geo(dev)->type) { | |
710 | case XNVME_GEO_UNKNOWN: | |
711 | dprint(FD_ZBD, "%s: got 'unknown', assigning ZBD_NONE\n", f->file_name); | |
712 | *model = ZBD_NONE; | |
713 | break; | |
714 | ||
715 | case XNVME_GEO_CONVENTIONAL: | |
716 | dprint(FD_ZBD, "%s: got 'conventional', assigning ZBD_NONE\n", f->file_name); | |
717 | *model = ZBD_NONE; | |
718 | break; | |
719 | ||
720 | case XNVME_GEO_ZONED: | |
721 | dprint(FD_ZBD, "%s: got 'zoned', assigning ZBD_HOST_MANAGED\n", f->file_name); | |
722 | *model = ZBD_HOST_MANAGED; | |
723 | break; | |
724 | ||
725 | default: | |
726 | dprint(FD_ZBD, "%s: hit-default, assigning ZBD_NONE\n", f->file_name); | |
727 | *model = ZBD_NONE; | |
728 | errno = EINVAL; | |
729 | err = -errno; | |
730 | break; | |
731 | } | |
732 | ||
733 | exit: | |
734 | xnvme_dev_close(dev); | |
735 | ||
736 | err_lock = pthread_mutex_unlock(&g_serialize); | |
737 | if (err_lock) | |
738 | log_err("ioeng->get_zoned_model(): pthread_mutex_unlock(), err(%d)\n", err_lock); | |
739 | ||
740 | return err; | |
741 | } | |
742 | ||
743 | /** | |
744 | * Fills the given ``zbdz`` with at most ``nr_zones`` zone-descriptors. | |
745 | * | |
746 | * The implementation converts the NVMe Zoned Command Set log-pages for Zone | |
747 | * descriptors into the Linux Kernel Zoned Block Report format. | |
748 | * | |
749 | * NOTE: This function is called before I/O engine initialization, that is, | |
750 | * before ``_dev_open`` has been called and file-wrapping is setup. Thus is has | |
751 | * to do the ``_dev_open`` itself, and shut it down again once it is done | |
752 | * retrieving the log-pages and converting them to the report format. | |
753 | * | |
754 | * TODO: unify the different setup methods, consider keeping the handle around, | |
755 | * and consider how to support the --async option in this usecase | |
756 | */ | |
757 | static int xnvme_fioe_report_zones(struct thread_data *td, struct fio_file *f, uint64_t offset, | |
758 | struct zbd_zone *zbdz, unsigned int nr_zones) | |
759 | { | |
760 | struct xnvme_opts opts = xnvme_opts_from_fioe(td); | |
761 | const struct xnvme_spec_znd_idfy_lbafe *lbafe = NULL; | |
762 | struct xnvme_dev *dev = NULL; | |
763 | const struct xnvme_geo *geo = NULL; | |
764 | struct xnvme_znd_report *rprt = NULL; | |
765 | uint32_t ssw; | |
766 | uint64_t slba; | |
767 | unsigned int limit = 0; | |
768 | int err = 0, err_lock; | |
769 | ||
770 | dprint(FD_ZBD, "%s: report_zones() offset: %zu, nr_zones: %u\n", f->file_name, offset, | |
771 | nr_zones); | |
772 | ||
773 | err = pthread_mutex_lock(&g_serialize); | |
774 | if (err) { | |
775 | log_err("ioeng->report_zones(%s): pthread_mutex_lock(), err(%d)\n", f->file_name, | |
776 | err); | |
777 | return -err; | |
778 | } | |
779 | ||
780 | dev = xnvme_dev_open(f->file_name, &opts); | |
781 | if (!dev) { | |
782 | log_err("ioeng->report_zones(%s): xnvme_dev_open(), err(%d)\n", f->file_name, | |
783 | errno); | |
784 | goto exit; | |
785 | } | |
786 | ||
787 | geo = xnvme_dev_get_geo(dev); | |
788 | ssw = xnvme_dev_get_ssw(dev); | |
789 | lbafe = xnvme_znd_dev_get_lbafe(dev); | |
790 | ||
791 | limit = nr_zones > geo->nzone ? geo->nzone : nr_zones; | |
792 | ||
793 | dprint(FD_ZBD, "%s: limit: %u\n", f->file_name, limit); | |
794 | ||
795 | slba = ((offset >> ssw) / geo->nsect) * geo->nsect; | |
796 | ||
797 | rprt = xnvme_znd_report_from_dev(dev, slba, limit, 0); | |
798 | if (!rprt) { | |
799 | log_err("ioeng->report_zones(%s): xnvme_znd_report_from_dev(), err(%d)\n", | |
800 | f->file_name, errno); | |
801 | err = -errno; | |
802 | goto exit; | |
803 | } | |
804 | if (rprt->nentries != limit) { | |
805 | log_err("ioeng->report_zones(%s): nentries != nr_zones\n", f->file_name); | |
806 | err = 1; | |
807 | goto exit; | |
808 | } | |
809 | if (offset > geo->tbytes) { | |
810 | log_err("ioeng->report_zones(%s): out-of-bounds\n", f->file_name); | |
811 | goto exit; | |
812 | } | |
813 | ||
814 | /* Transform the zone-report */ | |
815 | for (uint32_t idx = 0; idx < rprt->nentries; ++idx) { | |
816 | struct xnvme_spec_znd_descr *descr = XNVME_ZND_REPORT_DESCR(rprt, idx); | |
817 | ||
818 | zbdz[idx].start = descr->zslba << ssw; | |
819 | zbdz[idx].len = lbafe->zsze << ssw; | |
820 | zbdz[idx].capacity = descr->zcap << ssw; | |
821 | zbdz[idx].wp = descr->wp << ssw; | |
822 | ||
823 | switch (descr->zt) { | |
824 | case XNVME_SPEC_ZND_TYPE_SEQWR: | |
825 | zbdz[idx].type = ZBD_ZONE_TYPE_SWR; | |
826 | break; | |
827 | ||
828 | default: | |
829 | log_err("ioeng->report_zones(%s): invalid type for zone at offset(%zu)\n", | |
830 | f->file_name, zbdz[idx].start); | |
831 | err = -EIO; | |
832 | goto exit; | |
833 | } | |
834 | ||
835 | switch (descr->zs) { | |
836 | case XNVME_SPEC_ZND_STATE_EMPTY: | |
837 | zbdz[idx].cond = ZBD_ZONE_COND_EMPTY; | |
838 | break; | |
839 | case XNVME_SPEC_ZND_STATE_IOPEN: | |
840 | zbdz[idx].cond = ZBD_ZONE_COND_IMP_OPEN; | |
841 | break; | |
842 | case XNVME_SPEC_ZND_STATE_EOPEN: | |
843 | zbdz[idx].cond = ZBD_ZONE_COND_EXP_OPEN; | |
844 | break; | |
845 | case XNVME_SPEC_ZND_STATE_CLOSED: | |
846 | zbdz[idx].cond = ZBD_ZONE_COND_CLOSED; | |
847 | break; | |
848 | case XNVME_SPEC_ZND_STATE_FULL: | |
849 | zbdz[idx].cond = ZBD_ZONE_COND_FULL; | |
850 | break; | |
851 | ||
852 | case XNVME_SPEC_ZND_STATE_RONLY: | |
853 | case XNVME_SPEC_ZND_STATE_OFFLINE: | |
854 | default: | |
855 | zbdz[idx].cond = ZBD_ZONE_COND_OFFLINE; | |
856 | break; | |
857 | } | |
858 | } | |
859 | ||
860 | exit: | |
861 | xnvme_buf_virt_free(rprt); | |
862 | ||
863 | xnvme_dev_close(dev); | |
864 | ||
865 | err_lock = pthread_mutex_unlock(&g_serialize); | |
866 | if (err_lock) | |
867 | log_err("ioeng->report_zones(): pthread_mutex_unlock(), err: %d\n", err_lock); | |
868 | ||
869 | dprint(FD_ZBD, "err: %d, nr_zones: %d\n", err, (int)nr_zones); | |
870 | ||
871 | return err ? err : (int)limit; | |
872 | } | |
873 | ||
874 | /** | |
875 | * NOTE: This function may get called before I/O engine initialization, that is, | |
876 | * before ``_dev_open`` has been called and file-wrapping is setup. In such | |
877 | * case it has to do ``_dev_open`` itself, and shut it down again once it is | |
878 | * done resetting write pointer of zones. | |
879 | */ | |
880 | static int xnvme_fioe_reset_wp(struct thread_data *td, struct fio_file *f, uint64_t offset, | |
881 | uint64_t length) | |
882 | { | |
883 | struct xnvme_opts opts = xnvme_opts_from_fioe(td); | |
884 | struct xnvme_fioe_data *xd = NULL; | |
885 | struct xnvme_fioe_fwrap *fwrap = NULL; | |
886 | struct xnvme_dev *dev = NULL; | |
887 | const struct xnvme_geo *geo = NULL; | |
888 | uint64_t first, last; | |
889 | uint32_t ssw; | |
890 | uint32_t nsid; | |
891 | int err = 0, err_lock; | |
892 | ||
893 | if (td->io_ops_data) { | |
894 | xd = td->io_ops_data; | |
895 | fwrap = &xd->files[f->fileno]; | |
896 | ||
897 | assert(fwrap->dev); | |
898 | assert(fwrap->geo); | |
899 | ||
900 | dev = fwrap->dev; | |
901 | geo = fwrap->geo; | |
902 | ssw = fwrap->ssw; | |
903 | } else { | |
904 | err = pthread_mutex_lock(&g_serialize); | |
905 | if (err) { | |
906 | log_err("ioeng->reset_wp(): pthread_mutex_lock(), err(%d)\n", err); | |
907 | return -err; | |
908 | } | |
909 | ||
910 | dev = xnvme_dev_open(f->file_name, &opts); | |
911 | if (!dev) { | |
912 | log_err("ioeng->reset_wp(): xnvme_dev_open(%s) failed, errno(%d)\n", | |
913 | f->file_name, errno); | |
914 | goto exit; | |
915 | } | |
916 | geo = xnvme_dev_get_geo(dev); | |
917 | ssw = xnvme_dev_get_ssw(dev); | |
918 | } | |
919 | ||
920 | nsid = xnvme_dev_get_nsid(dev); | |
921 | ||
922 | first = ((offset >> ssw) / geo->nsect) * geo->nsect; | |
923 | last = (((offset + length) >> ssw) / geo->nsect) * geo->nsect; | |
924 | dprint(FD_ZBD, "first: 0x%lx, last: 0x%lx\n", first, last); | |
925 | ||
926 | for (uint64_t zslba = first; zslba < last; zslba += geo->nsect) { | |
927 | struct xnvme_cmd_ctx ctx = xnvme_cmd_ctx_from_dev(dev); | |
928 | ||
929 | if (zslba >= (geo->nsect * geo->nzone)) { | |
930 | log_err("ioeng->reset_wp(): out-of-bounds\n"); | |
931 | err = 0; | |
932 | break; | |
933 | } | |
934 | ||
935 | err = xnvme_znd_mgmt_send(&ctx, nsid, zslba, false, | |
936 | XNVME_SPEC_ZND_CMD_MGMT_SEND_RESET, 0x0, NULL); | |
937 | if (err || xnvme_cmd_ctx_cpl_status(&ctx)) { | |
938 | err = err ? err : -EIO; | |
939 | log_err("ioeng->reset_wp(): err(%d), sc(%d)", err, ctx.cpl.status.sc); | |
940 | goto exit; | |
941 | } | |
942 | } | |
943 | ||
944 | exit: | |
945 | if (!td->io_ops_data) { | |
946 | xnvme_dev_close(dev); | |
947 | ||
948 | err_lock = pthread_mutex_unlock(&g_serialize); | |
949 | if (err_lock) | |
950 | log_err("ioeng->reset_wp(): pthread_mutex_unlock(), err(%d)\n", err_lock); | |
951 | } | |
952 | ||
953 | return err; | |
954 | } | |
955 | ||
e5f3b613 AK |
956 | static int xnvme_fioe_fetch_ruhs(struct thread_data *td, struct fio_file *f, |
957 | struct fio_ruhs_info *fruhs_info) | |
958 | { | |
959 | struct xnvme_opts opts = xnvme_opts_from_fioe(td); | |
960 | struct xnvme_dev *dev; | |
961 | struct xnvme_spec_ruhs *ruhs; | |
962 | struct xnvme_cmd_ctx ctx; | |
963 | uint32_t ruhs_nbytes; | |
964 | uint32_t nsid; | |
965 | int err = 0, err_lock; | |
966 | ||
967 | if (f->filetype != FIO_TYPE_CHAR) { | |
968 | log_err("ioeng->fdp_ruhs(): ignoring filetype: %d\n", f->filetype); | |
969 | return -EINVAL; | |
970 | } | |
971 | ||
972 | err = pthread_mutex_lock(&g_serialize); | |
973 | if (err) { | |
974 | log_err("ioeng->fdp_ruhs(): pthread_mutex_lock(), err(%d)\n", err); | |
975 | return -err; | |
976 | } | |
977 | ||
978 | dev = xnvme_dev_open(f->file_name, &opts); | |
979 | if (!dev) { | |
980 | log_err("ioeng->fdp_ruhs(): xnvme_dev_open(%s) failed, errno: %d\n", | |
981 | f->file_name, errno); | |
982 | err = -errno; | |
983 | goto exit; | |
984 | } | |
985 | ||
986 | ruhs_nbytes = sizeof(*ruhs) + (FDP_MAX_RUHS * sizeof(struct xnvme_spec_ruhs_desc)); | |
987 | ruhs = xnvme_buf_alloc(dev, ruhs_nbytes); | |
988 | if (!ruhs) { | |
989 | err = -errno; | |
990 | goto exit; | |
991 | } | |
992 | memset(ruhs, 0, ruhs_nbytes); | |
993 | ||
994 | ctx = xnvme_cmd_ctx_from_dev(dev); | |
995 | nsid = xnvme_dev_get_nsid(dev); | |
996 | ||
997 | err = xnvme_nvm_mgmt_recv(&ctx, nsid, XNVME_SPEC_IO_MGMT_RECV_RUHS, 0, ruhs, ruhs_nbytes); | |
998 | ||
999 | if (err || xnvme_cmd_ctx_cpl_status(&ctx)) { | |
1000 | err = err ? err : -EIO; | |
1001 | log_err("ioeng->fdp_ruhs(): err(%d), sc(%d)", err, ctx.cpl.status.sc); | |
1002 | goto free_buffer; | |
1003 | } | |
1004 | ||
1005 | fruhs_info->nr_ruhs = ruhs->nruhsd; | |
1006 | for (uint32_t idx = 0; idx < fruhs_info->nr_ruhs; ++idx) { | |
1007 | fruhs_info->plis[idx] = le16_to_cpu(ruhs->desc[idx].pi); | |
1008 | } | |
1009 | ||
1010 | free_buffer: | |
1011 | xnvme_buf_free(dev, ruhs); | |
1012 | exit: | |
1013 | xnvme_dev_close(dev); | |
1014 | ||
1015 | err_lock = pthread_mutex_unlock(&g_serialize); | |
1016 | if (err_lock) | |
1017 | log_err("ioeng->fdp_ruhs(): pthread_mutex_unlock(), err(%d)\n", err_lock); | |
1018 | ||
1019 | return err; | |
1020 | } | |
1021 | ||
a3ff873e AK |
1022 | static int xnvme_fioe_get_file_size(struct thread_data *td, struct fio_file *f) |
1023 | { | |
1024 | struct xnvme_opts opts = xnvme_opts_from_fioe(td); | |
1025 | struct xnvme_dev *dev; | |
1026 | int ret = 0, err; | |
1027 | ||
1028 | if (fio_file_size_known(f)) | |
1029 | return 0; | |
1030 | ||
1031 | ret = pthread_mutex_lock(&g_serialize); | |
1032 | if (ret) { | |
1033 | log_err("ioeng->reset_wp(): pthread_mutex_lock(), err(%d)\n", ret); | |
1034 | return -ret; | |
1035 | } | |
1036 | ||
1037 | dev = xnvme_dev_open(f->file_name, &opts); | |
1038 | if (!dev) { | |
1039 | log_err("%s: failed retrieving device handle, errno: %d\n", f->file_name, errno); | |
1040 | ret = -errno; | |
1041 | goto exit; | |
1042 | } | |
1043 | ||
1044 | f->real_file_size = xnvme_dev_get_geo(dev)->tbytes; | |
1045 | fio_file_set_size_known(f); | |
e5f3b613 AK |
1046 | |
1047 | if (td->o.zone_mode == ZONE_MODE_ZBD) | |
1048 | f->filetype = FIO_TYPE_BLOCK; | |
a3ff873e AK |
1049 | |
1050 | exit: | |
1051 | xnvme_dev_close(dev); | |
1052 | err = pthread_mutex_unlock(&g_serialize); | |
1053 | if (err) | |
1054 | log_err("ioeng->reset_wp(): pthread_mutex_unlock(), err(%d)\n", err); | |
1055 | ||
1056 | return ret; | |
1057 | } | |
1058 | ||
1059 | FIO_STATIC struct ioengine_ops ioengine = { | |
1060 | .name = "xnvme", | |
1061 | .version = FIO_IOOPS_VERSION, | |
1062 | .options = options, | |
1063 | .option_struct_size = sizeof(struct xnvme_fioe_options), | |
1064 | .flags = FIO_DISKLESSIO | FIO_NODISKUTIL | FIO_NOEXTEND | FIO_MEMALIGN | FIO_RAWIO, | |
1065 | ||
1066 | .cleanup = xnvme_fioe_cleanup, | |
1067 | .init = xnvme_fioe_init, | |
1068 | ||
1069 | .iomem_free = xnvme_fioe_iomem_free, | |
1070 | .iomem_alloc = xnvme_fioe_iomem_alloc, | |
1071 | ||
1072 | .io_u_free = xnvme_fioe_io_u_free, | |
1073 | .io_u_init = xnvme_fioe_io_u_init, | |
1074 | ||
1075 | .event = xnvme_fioe_event, | |
1076 | .getevents = xnvme_fioe_getevents, | |
1077 | .queue = xnvme_fioe_queue, | |
1078 | ||
1079 | .close_file = xnvme_fioe_close, | |
1080 | .open_file = xnvme_fioe_open, | |
1081 | .get_file_size = xnvme_fioe_get_file_size, | |
1082 | ||
1083 | .invalidate = xnvme_fioe_invalidate, | |
1084 | .get_max_open_zones = xnvme_fioe_get_max_open_zones, | |
1085 | .get_zoned_model = xnvme_fioe_get_zoned_model, | |
1086 | .report_zones = xnvme_fioe_report_zones, | |
1087 | .reset_wp = xnvme_fioe_reset_wp, | |
e5f3b613 AK |
1088 | |
1089 | .fdp_fetch_ruhs = xnvme_fioe_fetch_ruhs, | |
a3ff873e AK |
1090 | }; |
1091 | ||
1092 | static void fio_init fio_xnvme_register(void) | |
1093 | { | |
1094 | register_ioengine(&ioengine); | |
1095 | } | |
1096 | ||
1097 | static void fio_exit fio_xnvme_unregister(void) | |
1098 | { | |
1099 | unregister_ioengine(&ioengine); | |
1100 | } |