Branch data Line data Source code
1 : : /* SPDX-License-Identifier: BSD-3-Clause
2 : : * Copyright (C) 2017 Intel Corporation. All rights reserved.
3 : : * Copyright (c) 2019 Mellanox Technologies LTD. All rights reserved.
4 : : * Copyright (c) 2021 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
5 : : */
6 : :
7 : : #include "spdk/stdinc.h"
8 : :
9 : : #include "nvmf_internal.h"
10 : :
11 : : #include "spdk/bdev.h"
12 : : #include "spdk/endian.h"
13 : : #include "spdk/thread.h"
14 : : #include "spdk/likely.h"
15 : : #include "spdk/nvme.h"
16 : : #include "spdk/nvmf_cmd.h"
17 : : #include "spdk/nvmf_spec.h"
18 : : #include "spdk/trace.h"
19 : : #include "spdk/scsi_spec.h"
20 : : #include "spdk/string.h"
21 : : #include "spdk/util.h"
22 : :
23 : : #include "spdk/log.h"
24 : :
25 : : static bool
26 : 5688 : nvmf_subsystem_bdev_io_type_supported(struct spdk_nvmf_subsystem *subsystem,
27 : : enum spdk_bdev_io_type io_type)
28 : : {
29 : : struct spdk_nvmf_ns *ns;
30 : :
31 [ + + ]: 9086 : for (ns = spdk_nvmf_subsystem_get_first_ns(subsystem); ns != NULL;
32 : 3398 : ns = spdk_nvmf_subsystem_get_next_ns(subsystem, ns)) {
33 [ + + + - : 3759 : if (ns->bdev == NULL) {
+ - ]
34 : 0 : continue;
35 : : }
36 : :
37 [ + + + - : 3759 : if (!spdk_bdev_io_type_supported(ns->bdev, io_type)) {
+ - ]
38 [ - + - + : 361 : SPDK_DEBUGLOG(nvmf,
# # # # #
# # # # #
# # ]
39 : : "Subsystem %s namespace %u (%s) does not support io_type %d\n",
40 : : spdk_nvmf_subsystem_get_nqn(subsystem),
41 : : ns->opts.nsid, spdk_bdev_get_name(ns->bdev), (int)io_type);
42 : 361 : return false;
43 : : }
44 : 1586 : }
45 : :
46 [ + + + + : 5327 : SPDK_DEBUGLOG(nvmf, "All devices in Subsystem %s support io_type %d\n",
+ - ]
47 : : spdk_nvmf_subsystem_get_nqn(subsystem), (int)io_type);
48 : 5327 : return true;
49 : 1586 : }
50 : :
51 : : bool
52 : 2844 : nvmf_ctrlr_dsm_supported(struct spdk_nvmf_ctrlr *ctrlr)
53 : : {
54 [ + - + - ]: 2844 : return nvmf_subsystem_bdev_io_type_supported(ctrlr->subsys, SPDK_BDEV_IO_TYPE_UNMAP);
55 : : }
56 : :
57 : : bool
58 : 2844 : nvmf_ctrlr_write_zeroes_supported(struct spdk_nvmf_ctrlr *ctrlr)
59 : : {
60 [ + - + - ]: 2844 : return nvmf_subsystem_bdev_io_type_supported(ctrlr->subsys, SPDK_BDEV_IO_TYPE_WRITE_ZEROES);
61 : : }
62 : :
63 : : bool
64 : 0 : nvmf_ctrlr_copy_supported(struct spdk_nvmf_ctrlr *ctrlr)
65 : : {
66 [ # # # # ]: 0 : return nvmf_subsystem_bdev_io_type_supported(ctrlr->subsys, SPDK_BDEV_IO_TYPE_COPY);
67 : : }
68 : :
69 : : static void
70 : 19865023 : nvmf_bdev_ctrlr_complete_cmd(struct spdk_bdev_io *bdev_io, bool success,
71 : : void *cb_arg)
72 : : {
73 : 19865023 : struct spdk_nvmf_request *req = cb_arg;
74 [ + - + - : 19865023 : struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
+ - ]
75 : 19865023 : int sc = 0, sct = 0;
76 : 19865023 : uint32_t cdw0 = 0;
77 : :
78 [ + + + - : 19865023 : if (spdk_unlikely(req->first_fused)) {
+ - - + ]
79 [ # # # # ]: 3117 : struct spdk_nvmf_request *first_req = req->first_fused_req;
80 [ # # # # : 3117 : struct spdk_nvme_cpl *first_response = &first_req->rsp->nvme_cpl;
# # ]
81 : 3117 : int first_sc = 0, first_sct = 0;
82 : :
83 : : /* get status for both operations */
84 : 3117 : spdk_bdev_io_get_nvme_fused_status(bdev_io, &cdw0, &first_sct, &first_sc, &sct, &sc);
85 [ # # # # ]: 3117 : first_response->cdw0 = cdw0;
86 [ # # # # : 3117 : first_response->status.sc = first_sc;
# # ]
87 [ # # # # : 3117 : first_response->status.sct = first_sct;
# # ]
88 : :
89 : : /* first request should be completed */
90 : 3117 : spdk_nvmf_request_complete(first_req);
91 [ # # # # ]: 3117 : req->first_fused_req = NULL;
92 [ # # # # : 3117 : req->first_fused = false;
# # ]
93 : 0 : } else {
94 : 19861906 : spdk_bdev_io_get_nvme_status(bdev_io, &cdw0, &sct, &sc);
95 : : }
96 : :
97 [ + - + - ]: 19865023 : response->cdw0 = cdw0;
98 [ + - + - : 19865023 : response->status.sc = sc;
+ - ]
99 [ + - + - : 19865023 : response->status.sct = sct;
+ - ]
100 : :
101 : 19865023 : spdk_nvmf_request_complete(req);
102 : 19865023 : spdk_bdev_free_io(bdev_io);
103 : 19865023 : }
104 : :
105 : : static void
106 : 102 : nvmf_bdev_ctrlr_complete_admin_cmd(struct spdk_bdev_io *bdev_io, bool success,
107 : : void *cb_arg)
108 : : {
109 : 102 : struct spdk_nvmf_request *req = cb_arg;
110 : :
111 [ + + # # : 102 : if (req->cmd_cb_fn) {
# # ]
112 [ # # # # : 94 : req->cmd_cb_fn(req);
# # # # ]
113 : 0 : }
114 : :
115 [ # # ]: 102 : nvmf_bdev_ctrlr_complete_cmd(bdev_io, success, req);
116 : 102 : }
117 : :
118 : : void
119 : 2542 : nvmf_bdev_ctrlr_identify_ns(struct spdk_nvmf_ns *ns, struct spdk_nvme_ns_data *nsdata,
120 : : bool dif_insert_or_strip)
121 : : {
122 [ + - + - ]: 2542 : struct spdk_bdev *bdev = ns->bdev;
123 [ + - + - ]: 2542 : struct spdk_bdev_desc *desc = ns->desc;
124 : : uint64_t num_blocks;
125 : : uint32_t phys_blocklen;
126 : : uint32_t max_copy;
127 : :
128 : 2542 : num_blocks = spdk_bdev_get_num_blocks(bdev);
129 : :
130 [ + - + - ]: 2542 : nsdata->nsze = num_blocks;
131 [ + - + - ]: 2542 : nsdata->ncap = num_blocks;
132 [ + - + - ]: 2542 : nsdata->nuse = num_blocks;
133 [ + - + - ]: 2542 : nsdata->nlbaf = 0;
134 [ + - + - ]: 2542 : nsdata->flbas.format = 0;
135 [ + - + - ]: 2542 : nsdata->flbas.msb_format = 0;
136 [ + - + - : 2542 : nsdata->nacwu = spdk_bdev_get_acwu(bdev) - 1; /* nacwu is 0-based */
+ - ]
137 [ + + - + ]: 2542 : if (!dif_insert_or_strip) {
138 [ + - + - : 2508 : nsdata->lbaf[0].ms = spdk_bdev_desc_get_md_size(desc);
+ - + - ]
139 [ + - + - : 2508 : nsdata->lbaf[0].lbads = spdk_u32log2(spdk_bdev_desc_get_block_size(desc));
+ - + - ]
140 [ + + + - : 2508 : if (nsdata->lbaf[0].ms != 0) {
+ - + - +
- ]
141 [ # # # # ]: 4 : nsdata->flbas.extended = 1;
142 [ # # # # ]: 4 : nsdata->mc.extended = 1;
143 [ # # # # ]: 4 : nsdata->mc.pointer = 0;
144 [ # # # # ]: 4 : nsdata->dps.md_start = spdk_bdev_desc_is_dif_head_of_md(desc);
145 : : /* NVMf library doesn't process PRACT and PRCHK flags, we
146 : : * leave the use of extended LBA buffer to users.
147 : : */
148 [ # # # # ]: 4 : nsdata->dps.pit = SPDK_NVME_FMT_NVM_PROTECTION_DISABLE;
149 : 1 : }
150 : 794 : } else {
151 [ # # # # : 34 : nsdata->lbaf[0].ms = 0;
# # # # ]
152 [ # # # # : 34 : nsdata->lbaf[0].lbads = spdk_u32log2(spdk_bdev_get_data_block_size(bdev));
# # # # ]
153 : : }
154 : :
155 : 2542 : phys_blocklen = spdk_bdev_get_physical_block_size(bdev);
156 [ + + # # ]: 2542 : assert(phys_blocklen > 0);
157 : : /* Linux driver uses min(nawupf, npwg) to set physical_block_size */
158 [ + - + - ]: 2542 : nsdata->nsfeat.optperf = 1;
159 [ + - + - ]: 2542 : nsdata->nsfeat.ns_atomic_write_unit = 1;
160 [ + + + - : 2542 : nsdata->npwg = (phys_blocklen >> nsdata->lbaf[0].lbads) - 1;
+ - + - +
- + - +
- ]
161 [ + - + - : 2542 : nsdata->nawupf = nsdata->npwg;
+ - + - ]
162 [ + - + - : 2542 : nsdata->npwa = nsdata->npwg;
+ - + - ]
163 [ + - + - : 2542 : nsdata->npdg = nsdata->npwg;
+ - + - ]
164 [ + - + - : 2542 : nsdata->npda = nsdata->npwg;
+ - + - ]
165 : :
166 [ + + ]: 2542 : if (spdk_bdev_get_write_unit_size(bdev) == 1) {
167 [ + - + - ]: 2542 : nsdata->noiob = spdk_bdev_get_optimal_io_boundary(bdev);
168 : 795 : }
169 [ + - + - ]: 2542 : nsdata->nmic.can_share = 1;
170 [ + + ]: 2542 : if (nvmf_ns_is_ptpl_capable(ns)) {
171 [ # # # # : 8 : nsdata->nsrescap.rescap.persist = 1;
# # ]
172 : 2 : }
173 [ + - + - : 2542 : nsdata->nsrescap.rescap.write_exclusive = 1;
+ - ]
174 [ + - + - : 2542 : nsdata->nsrescap.rescap.exclusive_access = 1;
+ - ]
175 [ + - + - : 2542 : nsdata->nsrescap.rescap.write_exclusive_reg_only = 1;
+ - ]
176 [ + - + - : 2542 : nsdata->nsrescap.rescap.exclusive_access_reg_only = 1;
+ - ]
177 [ + - + - : 2542 : nsdata->nsrescap.rescap.write_exclusive_all_reg = 1;
+ - ]
178 [ + - + - : 2542 : nsdata->nsrescap.rescap.exclusive_access_all_reg = 1;
+ - ]
179 [ + - + - : 2542 : nsdata->nsrescap.rescap.ignore_existing_key = 1;
+ - ]
180 : :
181 : : SPDK_STATIC_ASSERT(sizeof(nsdata->nguid) == sizeof(ns->opts.nguid), "size mismatch");
182 [ + - + - : 2542 : memcpy(nsdata->nguid, ns->opts.nguid, sizeof(nsdata->nguid));
+ - + - +
- ]
183 : :
184 : : SPDK_STATIC_ASSERT(sizeof(nsdata->eui64) == sizeof(ns->opts.eui64), "size mismatch");
185 [ + - + - : 2542 : memcpy(&nsdata->eui64, ns->opts.eui64, sizeof(nsdata->eui64));
+ - + - +
- ]
186 : :
187 : : /* For now we support just one source range for copy command */
188 [ + - + - ]: 2542 : nsdata->msrc = 0;
189 : :
190 : 2542 : max_copy = spdk_bdev_get_max_copy(bdev);
191 [ + + - + ]: 2542 : if (max_copy == 0 || max_copy > UINT16_MAX) {
192 : : /* Zero means copy size is unlimited */
193 [ + - + - ]: 1728 : nsdata->mcl = UINT16_MAX;
194 [ + - + - ]: 1728 : nsdata->mssrl = UINT16_MAX;
195 : 795 : } else {
196 [ # # # # ]: 814 : nsdata->mcl = max_copy;
197 [ # # # # ]: 814 : nsdata->mssrl = max_copy;
198 : : }
199 : 2542 : }
200 : :
201 : : void
202 : 0 : nvmf_bdev_ctrlr_identify_iocs_nvm(struct spdk_nvmf_ns *ns,
203 : : struct spdk_nvme_nvm_ns_data *nsdata_nvm)
204 : : {
205 [ # # # # ]: 0 : struct spdk_bdev_desc *desc = ns->desc;
206 : : uint8_t _16bpists;
207 : : uint32_t sts, pif;
208 : :
209 [ # # ]: 0 : if (spdk_bdev_desc_get_dif_type(desc) == SPDK_DIF_DISABLE) {
210 : 0 : return;
211 : : }
212 : :
213 : 0 : pif = spdk_bdev_desc_get_dif_pi_format(desc);
214 : :
215 : : /*
216 : : * 16BPISTS shall be 1 for 32/64b Guard PI.
217 : : * STCRS shall be 1 if 16BPISTS is 1.
218 : : * 16 is the minimum value of STS for 32b Guard PI.
219 : : */
220 [ # # # # ]: 0 : switch (pif) {
221 : 0 : case SPDK_DIF_PI_FORMAT_16:
222 : 0 : _16bpists = 0;
223 : 0 : sts = 0;
224 : 0 : break;
225 : 0 : case SPDK_DIF_PI_FORMAT_32:
226 : 0 : _16bpists = 1;
227 : 0 : sts = 16;
228 : 0 : break;
229 : 0 : case SPDK_DIF_PI_FORMAT_64:
230 : 0 : _16bpists = 1;
231 : 0 : sts = 0;
232 : 0 : break;
233 : 0 : default:
234 : 0 : SPDK_WARNLOG("PI format %u is not supported\n", pif);
235 : 0 : return;
236 : : }
237 : :
238 : : /* For 16b Guard PI, Storage Tag is not available because we set STS to 0.
239 : : * In this case, we do not have to set 16BPISTM to 1. For simplicity,
240 : : * set 16BPISTM to 0 and set LBSTM to all zeroes.
241 : : *
242 : : * We will revisit here when we find any OS uses Storage Tag.
243 : : */
244 [ # # # # ]: 0 : nsdata_nvm->lbstm = 0;
245 [ # # # # ]: 0 : nsdata_nvm->pic._16bpistm = 0;
246 : :
247 [ # # # # ]: 0 : nsdata_nvm->pic._16bpists = _16bpists;
248 [ # # # # ]: 0 : nsdata_nvm->pic.stcrs = 0;
249 [ # # # # : 0 : nsdata_nvm->elbaf[0].sts = sts;
# # # # ]
250 [ # # # # : 0 : nsdata_nvm->elbaf[0].pif = pif;
# # # # ]
251 : 0 : }
252 : :
253 : : static void
254 : 20864444 : nvmf_bdev_ctrlr_get_rw_params(const struct spdk_nvme_cmd *cmd, uint64_t *start_lba,
255 : : uint64_t *num_blocks)
256 : : {
257 : : /* SLBA: CDW10 and CDW11 */
258 [ + - + - : 20864444 : *start_lba = from_le64(&cmd->cdw10);
+ - ]
259 : :
260 : : /* NLB: CDW12 bits 15:00, 0's based */
261 [ + - + - : 20864444 : *num_blocks = (from_le32(&cmd->cdw12) & 0xFFFFu) + 1;
+ - ]
262 : 20864444 : }
263 : :
264 : : static void
265 : 8824593 : nvmf_bdev_ctrlr_get_rw_ext_params(const struct spdk_nvme_cmd *cmd,
266 : : struct spdk_bdev_ext_io_opts *opts)
267 : : {
268 : : /* Get CDW12 values */
269 [ + - + - : 8824593 : opts->nvme_cdw12.raw = from_le32(&cmd->cdw12);
+ - + - +
- ]
270 : :
271 : : /* Get CDW13 values */
272 [ + - + - : 8824593 : opts->nvme_cdw13.raw = from_le32(&cmd->cdw13);
+ - + - +
- ]
273 : 8824593 : }
274 : :
275 : : static bool
276 : 20861347 : nvmf_bdev_ctrlr_lba_in_range(uint64_t bdev_num_blocks, uint64_t io_start_lba,
277 : : uint64_t io_num_blocks)
278 : : {
279 [ + + + + ]: 20861347 : if (io_start_lba + io_num_blocks > bdev_num_blocks ||
280 [ + + ]: 20858482 : io_start_lba + io_num_blocks < io_start_lba) {
281 : 2873 : return false;
282 : : }
283 : :
284 : 20858474 : return true;
285 : 149801 : }
286 : :
287 : : static void
288 : 100136 : nvmf_ctrlr_process_io_cmd_resubmit(void *arg)
289 : : {
290 : 100136 : struct spdk_nvmf_request *req = arg;
291 : : int rc;
292 : :
293 : 100136 : rc = nvmf_ctrlr_process_io_cmd(req);
294 [ - + ]: 100136 : if (rc == SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE) {
295 : 0 : spdk_nvmf_request_complete(req);
296 : 0 : }
297 : 100136 : }
298 : :
299 : : static void
300 : 0 : nvmf_ctrlr_process_admin_cmd_resubmit(void *arg)
301 : : {
302 : 0 : struct spdk_nvmf_request *req = arg;
303 : : int rc;
304 : :
305 : 0 : rc = nvmf_ctrlr_process_admin_cmd(req);
306 [ # # ]: 0 : if (rc == SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE) {
307 : 0 : spdk_nvmf_request_complete(req);
308 : 0 : }
309 : 0 : }
310 : :
311 : : static void
312 : 155930 : nvmf_bdev_ctrl_queue_io(struct spdk_nvmf_request *req, struct spdk_bdev *bdev,
313 : : struct spdk_io_channel *ch, spdk_bdev_io_wait_cb cb_fn, void *cb_arg)
314 : : {
315 : : int rc;
316 : :
317 [ # # # # : 155930 : req->bdev_io_wait.bdev = bdev;
# # ]
318 [ # # # # : 155930 : req->bdev_io_wait.cb_fn = cb_fn;
# # ]
319 [ # # # # : 155930 : req->bdev_io_wait.cb_arg = cb_arg;
# # ]
320 : :
321 [ # # ]: 155930 : rc = spdk_bdev_queue_io_wait(bdev, ch, &req->bdev_io_wait);
322 [ - + ]: 155930 : if (rc != 0) {
323 [ # # ]: 0 : assert(false);
324 : : }
325 [ # # # # : 155930 : req->qpair->group->stat.pending_bdev_io++;
# # # # #
# # # ]
326 : 155930 : }
327 : :
328 : : bool
329 : 0 : nvmf_bdev_zcopy_enabled(struct spdk_bdev *bdev)
330 : : {
331 : 0 : return spdk_bdev_io_type_supported(bdev, SPDK_BDEV_IO_TYPE_ZCOPY);
332 : : }
333 : :
334 : : int
335 : 11130557 : nvmf_bdev_ctrlr_read_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
336 : : struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
337 : : {
338 : 44125193 : struct spdk_bdev_ext_io_opts opts = {
339 : : .size = SPDK_SIZEOF(&opts, accel_sequence),
340 [ + - + - ]: 11130557 : .memory_domain = req->memory_domain,
341 [ + - + - ]: 11130557 : .memory_domain_ctx = req->memory_domain_ctx,
342 [ + - + - ]: 11130557 : .accel_sequence = req->accel_sequence,
343 : : };
344 : 11130557 : uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
345 : 11130557 : uint32_t block_size = spdk_bdev_desc_get_block_size(desc);
346 [ + - + - : 11130557 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
+ - ]
347 [ + - + - : 11130557 : struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
+ - ]
348 : 132345 : uint64_t start_lba;
349 : 132345 : uint64_t num_blocks;
350 : : int rc;
351 : :
352 : 11130557 : nvmf_bdev_ctrlr_get_rw_params(cmd, &start_lba, &num_blocks);
353 : :
354 [ - + ]: 11130557 : if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, start_lba, num_blocks))) {
355 : 0 : SPDK_ERRLOG("end of media\n");
356 [ # # # # : 0 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
357 [ # # # # : 0 : rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
# # ]
358 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
359 : : }
360 : :
361 [ + + + - : 11130557 : if (spdk_unlikely(num_blocks * block_size > req->length)) {
- + ]
362 [ # # # # ]: 0 : SPDK_ERRLOG("Read NLB %" PRIu64 " * block size %" PRIu32 " > SGL length %" PRIu32 "\n",
363 : : num_blocks, block_size, req->length);
364 [ # # # # : 0 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
365 [ # # # # : 0 : rsp->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
# # ]
366 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
367 : : }
368 : :
369 [ + + # # ]: 11130557 : assert(!spdk_nvmf_request_using_zcopy(req));
370 : :
371 [ + - + - : 11130558 : rc = spdk_bdev_readv_blocks_ext(desc, ch, req->iov, req->iovcnt, start_lba, num_blocks,
+ - ]
372 : 74888 : nvmf_bdev_ctrlr_complete_cmd, req, &opts);
373 [ + + ]: 11130557 : if (spdk_unlikely(rc)) {
374 [ + - ]: 50687 : if (rc == -ENOMEM) {
375 : 50687 : nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
376 : 50687 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
377 : : }
378 [ # # # # : 0 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
379 [ # # # # : 0 : rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
# # ]
380 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
381 : : }
382 : :
383 : 11079870 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
384 : 74888 : }
385 : :
386 : : int
387 : 8824589 : nvmf_bdev_ctrlr_write_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
388 : : struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
389 : : {
390 : 34978331 : struct spdk_bdev_ext_io_opts opts = {
391 : : .size = SPDK_SIZEOF(&opts, nvme_cdw13),
392 [ + - + - ]: 8824589 : .memory_domain = req->memory_domain,
393 [ + - + - ]: 8824589 : .memory_domain_ctx = req->memory_domain_ctx,
394 [ + - + - ]: 8824589 : .accel_sequence = req->accel_sequence,
395 : : };
396 : 8824589 : uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
397 : 8824589 : uint32_t block_size = spdk_bdev_desc_get_block_size(desc);
398 [ + - + - : 8824589 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
+ - ]
399 [ + - + - : 8824589 : struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
+ - ]
400 : 106675 : uint64_t start_lba;
401 : 106675 : uint64_t num_blocks;
402 : : int rc;
403 : :
404 : 8824589 : nvmf_bdev_ctrlr_get_rw_params(cmd, &start_lba, &num_blocks);
405 : 8824589 : nvmf_bdev_ctrlr_get_rw_ext_params(cmd, &opts);
406 : :
407 [ - + ]: 8824589 : if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, start_lba, num_blocks))) {
408 : 0 : SPDK_ERRLOG("end of media\n");
409 [ # # # # : 0 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
410 [ # # # # : 0 : rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
# # ]
411 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
412 : : }
413 : :
414 [ + + + - : 8824589 : if (spdk_unlikely(num_blocks * block_size > req->length)) {
- + ]
415 [ # # # # ]: 0 : SPDK_ERRLOG("Write NLB %" PRIu64 " * block size %" PRIu32 " > SGL length %" PRIu32 "\n",
416 : : num_blocks, block_size, req->length);
417 [ # # # # : 0 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
418 [ # # # # : 0 : rsp->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
# # ]
419 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
420 : : }
421 : :
422 [ + + # # ]: 8824589 : assert(!spdk_nvmf_request_using_zcopy(req));
423 : :
424 [ + - + - : 8824590 : rc = spdk_bdev_writev_blocks_ext(desc, ch, req->iov, req->iovcnt, start_lba, num_blocks,
+ - ]
425 : 74888 : nvmf_bdev_ctrlr_complete_cmd, req, &opts);
426 [ + + ]: 8824589 : if (spdk_unlikely(rc)) {
427 [ + - ]: 49449 : if (rc == -ENOMEM) {
428 : 49449 : nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
429 : 49449 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
430 : : }
431 [ # # # # : 0 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
432 [ # # # # : 0 : rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
# # ]
433 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
434 : : }
435 : :
436 : 8775140 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
437 : 74888 : }
438 : :
439 : : int
440 : 16 : nvmf_bdev_ctrlr_compare_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
441 : : struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
442 : : {
443 : 16 : uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
444 : 16 : uint32_t block_size = spdk_bdev_desc_get_block_size(desc);
445 [ # # # # : 16 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
# # ]
446 [ # # # # : 16 : struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
# # ]
447 : 12 : uint64_t start_lba;
448 : 12 : uint64_t num_blocks;
449 : : int rc;
450 : :
451 : 16 : nvmf_bdev_ctrlr_get_rw_params(cmd, &start_lba, &num_blocks);
452 : :
453 [ + + ]: 16 : if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, start_lba, num_blocks))) {
454 : 4 : SPDK_ERRLOG("end of media\n");
455 [ # # # # : 4 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
456 [ # # # # : 4 : rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
# # ]
457 : 4 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
458 : : }
459 : :
460 [ + + # # : 12 : if (spdk_unlikely(num_blocks * block_size > req->length)) {
# # ]
461 [ # # # # ]: 4 : SPDK_ERRLOG("Compare NLB %" PRIu64 " * block size %" PRIu32 " > SGL length %" PRIu32 "\n",
462 : : num_blocks, block_size, req->length);
463 [ # # # # : 4 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
464 [ # # # # : 4 : rsp->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
# # ]
465 : 4 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
466 : : }
467 : :
468 [ # # # # : 10 : rc = spdk_bdev_comparev_blocks(desc, ch, req->iov, req->iovcnt, start_lba, num_blocks,
# # ]
469 : 2 : nvmf_bdev_ctrlr_complete_cmd, req);
470 [ + + ]: 8 : if (spdk_unlikely(rc)) {
471 [ - + ]: 4 : if (rc == -ENOMEM) {
472 : 0 : nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
473 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
474 : : }
475 [ # # # # : 4 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
476 [ # # # # : 4 : rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
# # ]
477 : 4 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
478 : : }
479 : :
480 : 4 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
481 : 4 : }
482 : :
483 : : int
484 : 3133 : nvmf_bdev_ctrlr_compare_and_write_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
485 : : struct spdk_io_channel *ch, struct spdk_nvmf_request *cmp_req, struct spdk_nvmf_request *write_req)
486 : : {
487 : 3133 : uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
488 : 3133 : uint32_t block_size = spdk_bdev_desc_get_block_size(desc);
489 [ # # # # : 3133 : struct spdk_nvme_cmd *cmp_cmd = &cmp_req->cmd->nvme_cmd;
# # ]
490 [ # # # # : 3133 : struct spdk_nvme_cmd *write_cmd = &write_req->cmd->nvme_cmd;
# # ]
491 [ # # # # : 3133 : struct spdk_nvme_cpl *rsp = &write_req->rsp->nvme_cpl;
# # ]
492 : 12 : uint64_t write_start_lba, cmp_start_lba;
493 : 12 : uint64_t write_num_blocks, cmp_num_blocks;
494 : : int rc;
495 : :
496 : 3133 : nvmf_bdev_ctrlr_get_rw_params(cmp_cmd, &cmp_start_lba, &cmp_num_blocks);
497 : 3133 : nvmf_bdev_ctrlr_get_rw_params(write_cmd, &write_start_lba, &write_num_blocks);
498 : :
499 [ + + + + ]: 3133 : if (spdk_unlikely(write_start_lba != cmp_start_lba || write_num_blocks != cmp_num_blocks)) {
500 : 4 : SPDK_ERRLOG("Fused command start lba / num blocks mismatch\n");
501 [ # # # # : 4 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
502 [ # # # # : 4 : rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD;
# # ]
503 : 4 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
504 : : }
505 : :
506 [ + + ]: 3129 : if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, write_start_lba,
507 : : write_num_blocks))) {
508 : 4 : SPDK_ERRLOG("end of media\n");
509 [ # # # # : 4 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
510 [ # # # # : 4 : rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
# # ]
511 : 4 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
512 : : }
513 : :
514 [ + + # # : 3125 : if (spdk_unlikely(write_num_blocks * block_size > write_req->length)) {
# # ]
515 [ # # # # ]: 4 : SPDK_ERRLOG("Write NLB %" PRIu64 " * block size %" PRIu32 " > SGL length %" PRIu32 "\n",
516 : : write_num_blocks, block_size, write_req->length);
517 [ # # # # : 4 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
518 [ # # # # : 4 : rsp->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
# # ]
519 : 4 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
520 : : }
521 : :
522 [ # # # # : 3122 : rc = spdk_bdev_comparev_and_writev_blocks(desc, ch, cmp_req->iov, cmp_req->iovcnt, write_req->iov,
# # # # ]
523 [ # # # # ]: 3121 : write_req->iovcnt, write_start_lba, write_num_blocks, nvmf_bdev_ctrlr_complete_cmd, write_req);
524 [ - + ]: 3121 : if (spdk_unlikely(rc)) {
525 [ # # ]: 0 : if (rc == -ENOMEM) {
526 : 0 : nvmf_bdev_ctrl_queue_io(cmp_req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, cmp_req);
527 : 0 : nvmf_bdev_ctrl_queue_io(write_req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, write_req);
528 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
529 : : }
530 [ # # # # : 0 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
531 [ # # # # : 0 : rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
# # ]
532 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
533 : : }
534 : :
535 : 3121 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
536 : 4 : }
537 : :
538 : : int
539 : 6361 : nvmf_bdev_ctrlr_write_zeroes_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
540 : : struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
541 : : {
542 : 6361 : uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
543 [ # # # # : 6361 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
# # ]
544 [ # # # # : 6361 : struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
# # ]
545 [ # # # # : 6361 : uint64_t max_write_zeroes_size = req->qpair->ctrlr->subsys->max_write_zeroes_size_kib;
# # # # #
# # # # #
# # ]
546 : 12 : uint64_t start_lba;
547 : 12 : uint64_t num_blocks;
548 : : int rc;
549 : :
550 : 6361 : nvmf_bdev_ctrlr_get_rw_params(cmd, &start_lba, &num_blocks);
551 [ + + + + : 6361 : if (spdk_unlikely(max_write_zeroes_size > 0 &&
+ - # # ]
552 : : num_blocks > (max_write_zeroes_size << 10) / spdk_bdev_desc_get_block_size(desc))) {
553 : 4 : SPDK_ERRLOG("invalid write zeroes size, should not exceed %" PRIu64 "Kib\n", max_write_zeroes_size);
554 [ # # # # : 4 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
555 [ # # # # : 4 : rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD;
# # ]
556 : 4 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
557 : : }
558 : :
559 [ + + ]: 6357 : if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, start_lba, num_blocks))) {
560 : 2837 : SPDK_ERRLOG("end of media\n");
561 [ # # # # : 2837 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
562 [ # # # # : 2837 : rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
# # ]
563 : 2837 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
564 : : }
565 : :
566 [ - + # # : 3520 : if (spdk_unlikely(cmd->cdw12_bits.write_zeroes.deac)) {
# # # # #
# ]
567 : 0 : SPDK_ERRLOG("Write Zeroes Deallocate is not supported\n");
568 [ # # # # : 0 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
569 [ # # # # : 0 : rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD;
# # ]
570 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
571 : : }
572 : :
573 : 3522 : rc = spdk_bdev_write_zeroes_blocks(desc, ch, start_lba, num_blocks,
574 : 2 : nvmf_bdev_ctrlr_complete_cmd, req);
575 [ + + ]: 3520 : if (spdk_unlikely(rc)) {
576 [ - + ]: 4 : if (rc == -ENOMEM) {
577 : 0 : nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
578 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
579 : : }
580 [ # # # # : 4 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
581 [ # # # # : 4 : rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
# # ]
582 : 4 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
583 : : }
584 : :
585 : 3516 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
586 : 4 : }
587 : :
588 : : int
589 : 3285 : nvmf_bdev_ctrlr_flush_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
590 : : struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
591 : : {
592 [ # # # # : 3285 : struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
# # ]
593 : : int rc;
594 : :
595 : : /* As for NVMeoF controller, SPDK always set volatile write
596 : : * cache bit to 1, return success for those block devices
597 : : * which can't support FLUSH command.
598 : : */
599 [ + + ]: 3285 : if (!spdk_bdev_io_type_supported(bdev, SPDK_BDEV_IO_TYPE_FLUSH)) {
600 [ # # # # : 4 : response->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
601 [ # # # # : 4 : response->status.sc = SPDK_NVME_SC_SUCCESS;
# # ]
602 : 4 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
603 : : }
604 : :
605 : 3283 : rc = spdk_bdev_flush_blocks(desc, ch, 0, spdk_bdev_get_num_blocks(bdev),
606 : 2 : nvmf_bdev_ctrlr_complete_cmd, req);
607 [ + + ]: 3281 : if (spdk_unlikely(rc)) {
608 [ - + ]: 4 : if (rc == -ENOMEM) {
609 : 0 : nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
610 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
611 : : }
612 [ # # # # : 4 : response->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
# # ]
613 : 4 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
614 : : }
615 : 3277 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
616 : 3 : }
617 : :
618 : : struct nvmf_bdev_ctrlr_unmap {
619 : : struct spdk_nvmf_request *req;
620 : : uint32_t count;
621 : : struct spdk_bdev_desc *desc;
622 : : struct spdk_bdev *bdev;
623 : : struct spdk_io_channel *ch;
624 : : uint32_t range_index;
625 : : };
626 : :
627 : : static void
628 : 55817 : nvmf_bdev_ctrlr_unmap_cpl(struct spdk_bdev_io *bdev_io, bool success,
629 : : void *cb_arg)
630 : : {
631 : 55817 : struct nvmf_bdev_ctrlr_unmap *unmap_ctx = cb_arg;
632 [ # # # # ]: 55817 : struct spdk_nvmf_request *req = unmap_ctx->req;
633 [ # # # # : 55817 : struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
# # ]
634 : 0 : int sc, sct;
635 : 0 : uint32_t cdw0;
636 : :
637 [ # # ]: 55817 : unmap_ctx->count--;
638 : :
639 [ + - # # : 55817 : if (response->status.sct == SPDK_NVME_SCT_GENERIC &&
# # # # #
# ]
640 [ + - # # : 55817 : response->status.sc == SPDK_NVME_SC_SUCCESS) {
# # ]
641 : 55817 : spdk_bdev_io_get_nvme_status(bdev_io, &cdw0, &sct, &sc);
642 [ # # # # ]: 55817 : response->cdw0 = cdw0;
643 [ # # # # : 55817 : response->status.sc = sc;
# # ]
644 [ # # # # : 55817 : response->status.sct = sct;
# # ]
645 : 0 : }
646 : :
647 [ + - # # : 55817 : if (unmap_ctx->count == 0) {
# # ]
648 : 55817 : spdk_nvmf_request_complete(req);
649 : 55817 : free(unmap_ctx);
650 : 0 : }
651 : 55817 : spdk_bdev_free_io(bdev_io);
652 : 55817 : }
653 : :
654 : : static int nvmf_bdev_ctrlr_unmap(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
655 : : struct spdk_io_channel *ch, struct spdk_nvmf_request *req,
656 : : struct nvmf_bdev_ctrlr_unmap *unmap_ctx);
657 : : static void
658 : 55786 : nvmf_bdev_ctrlr_unmap_resubmit(void *arg)
659 : : {
660 : 55786 : struct nvmf_bdev_ctrlr_unmap *unmap_ctx = arg;
661 [ # # # # ]: 55786 : struct spdk_nvmf_request *req = unmap_ctx->req;
662 [ # # # # ]: 55786 : struct spdk_bdev_desc *desc = unmap_ctx->desc;
663 [ # # # # ]: 55786 : struct spdk_bdev *bdev = unmap_ctx->bdev;
664 [ # # # # ]: 55786 : struct spdk_io_channel *ch = unmap_ctx->ch;
665 : :
666 : 55786 : nvmf_bdev_ctrlr_unmap(bdev, desc, ch, req, unmap_ctx);
667 : 55786 : }
668 : :
669 : : static int
670 : 111603 : nvmf_bdev_ctrlr_unmap(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
671 : : struct spdk_io_channel *ch, struct spdk_nvmf_request *req,
672 : : struct nvmf_bdev_ctrlr_unmap *unmap_ctx)
673 : : {
674 : : uint16_t nr, i;
675 [ # # # # : 111603 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
# # ]
676 [ # # # # : 111603 : struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
# # ]
677 [ # # # # : 111603 : uint64_t max_discard_size = req->qpair->ctrlr->subsys->max_discard_size_kib;
# # # # #
# # # # #
# # ]
678 : 111603 : uint32_t block_size = spdk_bdev_desc_get_block_size(desc);
679 : 0 : struct spdk_iov_xfer ix;
680 : : uint64_t lba;
681 : : uint32_t lba_count;
682 : : int rc;
683 : :
684 [ # # # # : 111603 : nr = cmd->cdw10_bits.dsm.nr + 1;
# # # # #
# ]
685 [ - + # # : 111603 : if (nr * sizeof(struct spdk_nvme_dsm_range) > req->length) {
# # ]
686 : 0 : SPDK_ERRLOG("Dataset Management number of ranges > SGL length\n");
687 [ # # # # : 0 : response->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
# # ]
688 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
689 : : }
690 : :
691 [ + + ]: 111603 : if (unmap_ctx == NULL) {
692 : 55817 : unmap_ctx = calloc(1, sizeof(*unmap_ctx));
693 [ - + ]: 55817 : if (!unmap_ctx) {
694 [ # # # # : 0 : response->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
# # ]
695 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
696 : : }
697 : :
698 [ # # # # ]: 55817 : unmap_ctx->req = req;
699 [ # # # # ]: 55817 : unmap_ctx->desc = desc;
700 [ # # # # ]: 55817 : unmap_ctx->ch = ch;
701 [ # # # # ]: 55817 : unmap_ctx->bdev = bdev;
702 : :
703 [ # # # # : 55817 : response->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
704 [ # # # # : 55817 : response->status.sc = SPDK_NVME_SC_SUCCESS;
# # ]
705 : 0 : } else {
706 [ # # ]: 55786 : unmap_ctx->count--; /* dequeued */
707 : : }
708 : :
709 [ # # # # : 111603 : spdk_iov_xfer_init(&ix, req->iov, req->iovcnt);
# # ]
710 : :
711 [ + + # # : 167420 : for (i = unmap_ctx->range_index; i < nr; i++) {
# # ]
712 : 111603 : struct spdk_nvme_dsm_range dsm_range = { 0 };
713 : :
714 : 111603 : spdk_iov_xfer_to_buf(&ix, &dsm_range, sizeof(dsm_range));
715 : :
716 [ # # ]: 111603 : lba = dsm_range.starting_lba;
717 [ # # ]: 111603 : lba_count = dsm_range.length;
718 [ - + - - : 111603 : if (max_discard_size > 0 && lba_count > (max_discard_size << 10) / block_size) {
- - # # ]
719 [ # # ]: 0 : SPDK_ERRLOG("invalid unmap size %" PRIu32 " blocks, should not exceed %" PRIu64 " blocks\n",
720 : : lba_count, max_discard_size << 1);
721 [ # # # # : 0 : response->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
722 [ # # # # : 0 : response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
# # ]
723 : 0 : break;
724 : : }
725 : :
726 [ # # ]: 111603 : unmap_ctx->count++;
727 : :
728 : 111603 : rc = spdk_bdev_unmap_blocks(desc, ch, lba, lba_count,
729 : 0 : nvmf_bdev_ctrlr_unmap_cpl, unmap_ctx);
730 [ + + ]: 111603 : if (rc) {
731 [ + - ]: 55786 : if (rc == -ENOMEM) {
732 : 55786 : nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_bdev_ctrlr_unmap_resubmit, unmap_ctx);
733 : : /* Unmap was not yet submitted to bdev */
734 : : /* unmap_ctx->count will be decremented when the request is dequeued */
735 : 55786 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
736 : : }
737 [ # # # # : 0 : response->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
# # ]
738 [ # # ]: 0 : unmap_ctx->count--;
739 : : /* We can't return here - we may have to wait for any other
740 : : * unmaps already sent to complete */
741 : 0 : break;
742 : : }
743 [ # # ]: 55817 : unmap_ctx->range_index++;
744 : 0 : }
745 : :
746 [ - + # # : 55817 : if (unmap_ctx->count == 0) {
# # ]
747 : 0 : free(unmap_ctx);
748 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
749 : : }
750 : :
751 : 55817 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
752 : 0 : }
753 : :
754 : : int
755 : 55817 : nvmf_bdev_ctrlr_dsm_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
756 : : struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
757 : : {
758 [ # # # # : 55817 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
# # ]
759 [ # # # # : 55817 : struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
# # ]
760 : :
761 [ + - # # : 55817 : if (cmd->cdw11_bits.dsm.ad) {
# # # # #
# ]
762 : 55817 : return nvmf_bdev_ctrlr_unmap(bdev, desc, ch, req, NULL);
763 : : }
764 : :
765 [ # # # # : 0 : response->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
766 [ # # # # : 0 : response->status.sc = SPDK_NVME_SC_SUCCESS;
# # ]
767 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
768 : 0 : }
769 : :
770 : : int
771 : 29 : nvmf_bdev_ctrlr_copy_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
772 : : struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
773 : : {
774 [ # # # # : 29 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
# # ]
775 [ # # # # : 29 : struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
# # ]
776 [ # # # # : 29 : uint64_t sdlba = ((uint64_t)cmd->cdw11 << 32) + cmd->cdw10;
# # # # #
# # # #
# ]
777 : 29 : struct spdk_nvme_scc_source_range range = { 0 };
778 : 15 : struct spdk_iov_xfer ix;
779 : : int rc;
780 : :
781 [ + + - + : 29 : SPDK_DEBUGLOG(nvmf, "Copy command: SDLBA %lu, NR %u, desc format %u, PRINFOR %u, "
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# ]
782 : : "DTYPE %u, STCW %u, PRINFOW %u, FUA %u, LR %u\n",
783 : : sdlba,
784 : : cmd->cdw12_bits.copy.nr,
785 : : cmd->cdw12_bits.copy.df,
786 : : cmd->cdw12_bits.copy.prinfor,
787 : : cmd->cdw12_bits.copy.dtype,
788 : : cmd->cdw12_bits.copy.stcw,
789 : : cmd->cdw12_bits.copy.prinfow,
790 : : cmd->cdw12_bits.copy.fua,
791 : : cmd->cdw12_bits.copy.lr);
792 : :
793 [ - + # # : 29 : if (spdk_unlikely(req->length != (cmd->cdw12_bits.copy.nr + 1) *
# # # # #
# # # # #
# # ]
794 : : sizeof(struct spdk_nvme_scc_source_range))) {
795 [ # # # # : 0 : response->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
796 [ # # # # : 0 : response->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
# # ]
797 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
798 : : }
799 : :
800 : : /*
801 : : * We support only one source range, and rely on this with the xfer
802 : : * below.
803 : : */
804 [ + + # # : 29 : if (cmd->cdw12_bits.copy.nr > 0) {
# # # # #
# ]
805 [ # # # # : 4 : response->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC;
# # ]
806 [ # # # # : 4 : response->status.sc = SPDK_NVME_SC_CMD_SIZE_LIMIT_SIZE_EXCEEDED;
# # ]
807 : 4 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
808 : : }
809 : :
810 [ + + # # : 25 : if (cmd->cdw12_bits.copy.df != 0) {
# # # # #
# ]
811 [ # # # # : 4 : response->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
812 [ # # # # : 4 : response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
# # ]
813 : 4 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
814 : : }
815 : :
816 [ # # # # : 21 : spdk_iov_xfer_init(&ix, req->iov, req->iovcnt);
# # ]
817 : 21 : spdk_iov_xfer_to_buf(&ix, &range, sizeof(range));
818 : :
819 [ # # # # : 24 : rc = spdk_bdev_copy_blocks(desc, ch, sdlba, range.slba, range.nlb + 1,
# # ]
820 : 3 : nvmf_bdev_ctrlr_complete_cmd, req);
821 [ + + ]: 21 : if (spdk_unlikely(rc)) {
822 [ - + ]: 4 : if (rc == -ENOMEM) {
823 : 0 : nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
824 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
825 : : }
826 : :
827 [ # # # # : 4 : response->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
828 [ # # # # : 4 : response->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
# # ]
829 : 4 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
830 : : }
831 : :
832 : 17 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
833 : 5 : }
834 : :
835 : : int
836 : 174488 : nvmf_bdev_ctrlr_nvme_passthru_io(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
837 : : struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
838 : : {
839 : : int rc;
840 : :
841 [ # # # # : 174492 : rc = spdk_bdev_nvme_iov_passthru_md(desc, ch, &req->cmd->nvme_cmd, req->iov, req->iovcnt,
# # # # #
# # # ]
842 [ # # # # ]: 174488 : req->length, NULL, 0, nvmf_bdev_ctrlr_complete_cmd, req);
843 : :
844 [ + + ]: 174488 : if (spdk_unlikely(rc)) {
845 [ + + ]: 174480 : if (rc == -ENOMEM) {
846 : 4 : nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
847 : 4 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
848 : : }
849 [ # # # # : 174476 : req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC;
# # # # #
# # # ]
850 [ # # # # : 174476 : req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_INVALID_OPCODE;
# # # # #
# # # ]
851 [ # # # # : 174476 : req->rsp->nvme_cpl.status.dnr = 1;
# # # # #
# # # ]
852 : 174476 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
853 : : }
854 : :
855 : 8 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
856 : 4 : }
857 : :
858 : : int
859 : 110 : spdk_nvmf_bdev_ctrlr_nvme_passthru_admin(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
860 : : struct spdk_io_channel *ch, struct spdk_nvmf_request *req,
861 : : spdk_nvmf_nvme_passthru_cmd_cb cb_fn)
862 : : {
863 : : int rc;
864 : :
865 [ - + # # : 110 : if (spdk_unlikely(req->iovcnt > 1)) {
# # ]
866 [ # # # # : 0 : req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC;
# # # # #
# # # ]
867 [ # # # # : 0 : req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
# # # # #
# # # ]
868 [ # # # # : 0 : req->rsp->nvme_cpl.status.dnr = 1;
# # # # #
# # # ]
869 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
870 : : }
871 : :
872 [ # # # # ]: 110 : req->cmd_cb_fn = cb_fn;
873 : :
874 [ # # # # : 114 : rc = spdk_bdev_nvme_admin_passthru(desc, ch, &req->cmd->nvme_cmd, req->iov[0].iov_base, req->length,
# # # # #
# # # # #
# # # # #
# ]
875 : 4 : nvmf_bdev_ctrlr_complete_admin_cmd, req);
876 [ + + ]: 110 : if (spdk_unlikely(rc)) {
877 [ + + ]: 8 : if (rc == -ENOMEM) {
878 : 4 : nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_admin_cmd_resubmit, req);
879 : 4 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
880 : : }
881 [ # # # # : 4 : req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC;
# # # # #
# # # ]
882 [ + - ]: 4 : if (rc == -ENOTSUP) {
883 [ # # # # : 4 : req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_INVALID_OPCODE;
# # # # #
# # # ]
884 : 1 : } else {
885 [ # # # # : 0 : req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
# # # # #
# # # ]
886 : : }
887 : :
888 [ # # # # : 4 : req->rsp->nvme_cpl.status.dnr = 1;
# # # # #
# # # ]
889 : 4 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
890 : : }
891 : :
892 : 102 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
893 : 4 : }
894 : :
895 : : static void
896 : 78465 : nvmf_bdev_ctrlr_complete_abort_cmd(struct spdk_bdev_io *bdev_io, bool success, void *cb_arg)
897 : : {
898 : 78465 : struct spdk_nvmf_request *req = cb_arg;
899 : :
900 [ + + # # ]: 78465 : if (success) {
901 [ # # # # : 75943 : req->rsp->nvme_cpl.cdw0 &= ~1U;
# # # # #
# ]
902 : 0 : }
903 : :
904 : 78465 : spdk_nvmf_request_complete(req);
905 : 78465 : spdk_bdev_free_io(bdev_io);
906 : 78465 : }
907 : :
908 : : int
909 : 78465 : spdk_nvmf_bdev_ctrlr_abort_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
910 : : struct spdk_io_channel *ch, struct spdk_nvmf_request *req,
911 : : struct spdk_nvmf_request *req_to_abort)
912 : : {
913 : : int rc;
914 : :
915 [ - + # # : 78465 : assert((req->rsp->nvme_cpl.cdw0 & 1U) != 0);
# # # # #
# # # #
# ]
916 : :
917 : 78465 : rc = spdk_bdev_abort(desc, ch, req_to_abort, nvmf_bdev_ctrlr_complete_abort_cmd, req);
918 [ + - ]: 78465 : if (spdk_likely(rc == 0)) {
919 : 78465 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
920 [ # # ]: 0 : } else if (rc == -ENOMEM) {
921 : 0 : nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_admin_cmd_resubmit, req);
922 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
923 : : } else {
924 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
925 : : }
926 : 0 : }
927 : :
928 : : bool
929 : 485900 : nvmf_bdev_ctrlr_get_dif_ctx(struct spdk_bdev_desc *desc, struct spdk_nvme_cmd *cmd,
930 : : struct spdk_dif_ctx *dif_ctx)
931 : : {
932 : 485900 : uint32_t init_ref_tag, dif_check_flags = 0;
933 : : int rc;
934 : 6 : struct spdk_dif_ctx_init_ext_opts dif_opts;
935 : :
936 [ + + ]: 485900 : if (spdk_bdev_desc_get_md_size(desc) == 0) {
937 : 4 : return false;
938 : : }
939 : :
940 : : /* Initial Reference Tag is the lower 32 bits of the start LBA. */
941 [ # # # # ]: 485896 : init_ref_tag = (uint32_t)from_le64(&cmd->cdw10);
942 : :
943 [ + + ]: 485896 : if (spdk_bdev_desc_is_dif_check_enabled(desc, SPDK_DIF_CHECK_TYPE_REFTAG)) {
944 [ # # ]: 458465 : dif_check_flags |= SPDK_DIF_FLAGS_REFTAG_CHECK;
945 : 0 : }
946 : :
947 [ + + ]: 485896 : if (spdk_bdev_desc_is_dif_check_enabled(desc, SPDK_DIF_CHECK_TYPE_GUARD)) {
948 [ # # ]: 485892 : dif_check_flags |= SPDK_DIF_FLAGS_GUARD_CHECK;
949 : 0 : }
950 : :
951 : 485896 : dif_opts.size = SPDK_SIZEOF(&dif_opts, dif_pi_format);
952 [ # # ]: 485896 : dif_opts.dif_pi_format = SPDK_DIF_PI_FORMAT_16;
953 : 971792 : rc = spdk_dif_ctx_init(dif_ctx,
954 : 1 : spdk_bdev_desc_get_block_size(desc),
955 : 1 : spdk_bdev_desc_get_md_size(desc),
956 : 485896 : spdk_bdev_desc_is_md_interleaved(desc),
957 : 485896 : spdk_bdev_desc_is_dif_head_of_md(desc),
958 : 1 : spdk_bdev_desc_get_dif_type(desc),
959 : 1 : dif_check_flags,
960 : 1 : init_ref_tag, 0, 0, 0, 0, &dif_opts);
961 : :
962 : 485896 : return (rc == 0) ? true : false;
963 : 2 : }
964 : :
965 : : static void
966 : 896639 : nvmf_bdev_ctrlr_zcopy_start_complete(struct spdk_bdev_io *bdev_io, bool success,
967 : : void *cb_arg)
968 : : {
969 : 896639 : struct spdk_nvmf_request *req = cb_arg;
970 : 0 : struct iovec *iov;
971 : 896639 : int iovcnt = 0;
972 : :
973 [ + + # # ]: 896639 : if (spdk_unlikely(!success)) {
974 : 22027 : int sc = 0, sct = 0;
975 : 22027 : uint32_t cdw0 = 0;
976 [ # # # # : 22027 : struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
# # ]
977 : 22027 : spdk_bdev_io_get_nvme_status(bdev_io, &cdw0, &sct, &sc);
978 : :
979 [ # # # # ]: 22027 : response->cdw0 = cdw0;
980 [ # # # # : 22027 : response->status.sc = sc;
# # ]
981 [ # # # # : 22027 : response->status.sct = sct;
# # ]
982 : :
983 : 22027 : spdk_bdev_free_io(bdev_io);
984 : 22027 : spdk_nvmf_request_complete(req);
985 : 22027 : return;
986 : : }
987 : :
988 : 874612 : spdk_bdev_io_get_iovec(bdev_io, &iov, &iovcnt);
989 : :
990 [ - + # # ]: 874612 : assert(iovcnt <= NVMF_REQ_MAX_BUFFERS);
991 [ - + # # ]: 874612 : assert(iovcnt > 0);
992 : :
993 [ # # # # ]: 874612 : req->iovcnt = iovcnt;
994 : :
995 [ - + # # : 874612 : assert(req->iov == iov);
# # ]
996 : :
997 [ # # # # ]: 874612 : req->zcopy_bdev_io = bdev_io; /* Preserve the bdev_io for the end zcopy */
998 : :
999 : 874612 : spdk_nvmf_request_complete(req);
1000 : : /* Don't free the bdev_io here as it is needed for the END ZCOPY */
1001 : 0 : }
1002 : :
1003 : : int
1004 : 896651 : nvmf_bdev_ctrlr_zcopy_start(struct spdk_bdev *bdev,
1005 : : struct spdk_bdev_desc *desc,
1006 : : struct spdk_io_channel *ch,
1007 : : struct spdk_nvmf_request *req)
1008 : : {
1009 [ # # # # : 896651 : struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
# # ]
1010 : 896651 : uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
1011 : 896651 : uint32_t block_size = spdk_bdev_desc_get_block_size(desc);
1012 : 9 : uint64_t start_lba;
1013 : 9 : uint64_t num_blocks;
1014 : : int rc;
1015 : :
1016 [ # # # # : 896651 : nvmf_bdev_ctrlr_get_rw_params(&req->cmd->nvme_cmd, &start_lba, &num_blocks);
# # ]
1017 : :
1018 [ + + ]: 896651 : if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, start_lba, num_blocks))) {
1019 : 4 : SPDK_ERRLOG("end of media\n");
1020 [ # # # # : 4 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
1021 [ # # # # : 4 : rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
# # ]
1022 : 4 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1023 : : }
1024 : :
1025 [ + + # # : 896647 : if (spdk_unlikely(num_blocks * block_size > req->length)) {
# # ]
1026 [ # # # # ]: 4 : SPDK_ERRLOG("Read NLB %" PRIu64 " * block size %" PRIu32 " > SGL length %" PRIu32 "\n",
1027 : : num_blocks, block_size, req->length);
1028 [ # # # # : 4 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
1029 [ # # # # : 4 : rsp->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
# # ]
1030 : 4 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1031 : : }
1032 : :
1033 [ # # # # : 896643 : bool populate = (req->cmd->nvme_cmd.opc == SPDK_NVME_OPC_READ) ? true : false;
# # # # ]
1034 : :
1035 [ # # # # : 896644 : rc = spdk_bdev_zcopy_start(desc, ch, req->iov, req->iovcnt, start_lba,
# # ]
1036 [ # # ]: 1 : num_blocks, populate, nvmf_bdev_ctrlr_zcopy_start_complete, req);
1037 [ - + ]: 896643 : if (spdk_unlikely(rc != 0)) {
1038 [ # # ]: 0 : if (rc == -ENOMEM) {
1039 : 0 : nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
1040 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
1041 : : }
1042 [ # # # # : 0 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
1043 [ # # # # : 0 : rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
# # ]
1044 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1045 : : }
1046 : :
1047 : 896643 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
1048 : 3 : }
1049 : :
1050 : : static void
1051 : 874612 : nvmf_bdev_ctrlr_zcopy_end_complete(struct spdk_bdev_io *bdev_io, bool success,
1052 : : void *cb_arg)
1053 : : {
1054 : 874612 : struct spdk_nvmf_request *req = cb_arg;
1055 : :
1056 [ + + # # ]: 874612 : if (spdk_unlikely(!success)) {
1057 : 21634 : int sc = 0, sct = 0;
1058 : 21634 : uint32_t cdw0 = 0;
1059 [ # # # # : 21634 : struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
# # ]
1060 : 21634 : spdk_bdev_io_get_nvme_status(bdev_io, &cdw0, &sct, &sc);
1061 : :
1062 [ # # # # ]: 21634 : response->cdw0 = cdw0;
1063 [ # # # # : 21634 : response->status.sc = sc;
# # ]
1064 [ # # # # : 21634 : response->status.sct = sct;
# # ]
1065 : 0 : }
1066 : :
1067 : 874612 : spdk_bdev_free_io(bdev_io);
1068 [ # # # # ]: 874612 : req->zcopy_bdev_io = NULL;
1069 : 874612 : spdk_nvmf_request_complete(req);
1070 : 874612 : }
1071 : :
1072 : : void
1073 : 874612 : nvmf_bdev_ctrlr_zcopy_end(struct spdk_nvmf_request *req, bool commit)
1074 : : {
1075 : : int rc __attribute__((unused));
1076 : :
1077 [ # # # # : 874612 : rc = spdk_bdev_zcopy_end(req->zcopy_bdev_io, commit, nvmf_bdev_ctrlr_zcopy_end_complete, req);
# # ]
1078 : :
1079 : : /* The only way spdk_bdev_zcopy_end() can fail is if we pass a bdev_io type that isn't ZCOPY */
1080 [ - + # # ]: 874612 : assert(rc == 0);
1081 : 874612 : }
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