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 : 4618 : nvmf_subsystem_bdev_io_type_supported(struct spdk_nvmf_subsystem *subsystem,
27 : : enum spdk_bdev_io_type io_type)
28 : : {
29 : 0 : struct spdk_nvmf_ns *ns;
30 : :
31 [ + + ]: 8669 : for (ns = spdk_nvmf_subsystem_get_first_ns(subsystem); ns != NULL;
32 : 4051 : ns = spdk_nvmf_subsystem_get_next_ns(subsystem, ns)) {
33 [ + + + - : 4345 : if (ns->bdev == NULL) {
+ - ]
34 : 0 : continue;
35 : : }
36 : :
37 [ + + + - : 4345 : if (!spdk_bdev_io_type_supported(ns->bdev, io_type)) {
+ - ]
38 [ - + - + : 294 : 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 : 294 : return false;
43 : : }
44 : 2090 : }
45 : :
46 [ + + + + : 4324 : SPDK_DEBUGLOG(nvmf, "All devices in Subsystem %s support io_type %d\n",
+ - ]
47 : : spdk_nvmf_subsystem_get_nqn(subsystem), (int)io_type);
48 : 4324 : return true;
49 : 2090 : }
50 : :
51 : : bool
52 : 2309 : nvmf_ctrlr_dsm_supported(struct spdk_nvmf_ctrlr *ctrlr)
53 : : {
54 [ + - + - ]: 2309 : return nvmf_subsystem_bdev_io_type_supported(ctrlr->subsys, SPDK_BDEV_IO_TYPE_UNMAP);
55 : : }
56 : :
57 : : bool
58 : 2309 : nvmf_ctrlr_write_zeroes_supported(struct spdk_nvmf_ctrlr *ctrlr)
59 : : {
60 [ + - + - ]: 2309 : 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 : 21588126 : nvmf_bdev_ctrlr_complete_cmd(struct spdk_bdev_io *bdev_io, bool success,
71 : : void *cb_arg)
72 : : {
73 : 21588126 : struct spdk_nvmf_request *req = cb_arg;
74 [ + - + - : 21588126 : struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
+ - ]
75 : 21588126 : int sc = 0, sct = 0;
76 : 21588126 : uint32_t cdw0 = 0;
77 : :
78 [ + + + - : 21588126 : if (spdk_unlikely(req->first_fused)) {
+ - - + ]
79 [ # # # # ]: 3107 : struct spdk_nvmf_request *first_req = req->first_fused_req;
80 [ # # # # : 3107 : struct spdk_nvme_cpl *first_response = &first_req->rsp->nvme_cpl;
# # ]
81 : 3107 : int first_sc = 0, first_sct = 0;
82 : :
83 : : /* get status for both operations */
84 : 3107 : spdk_bdev_io_get_nvme_fused_status(bdev_io, &cdw0, &first_sct, &first_sc, &sct, &sc);
85 [ # # # # ]: 3107 : first_response->cdw0 = cdw0;
86 [ # # # # : 3107 : first_response->status.sc = first_sc;
# # ]
87 [ # # # # : 3107 : first_response->status.sct = first_sct;
# # ]
88 : :
89 : : /* first request should be completed */
90 : 3107 : spdk_nvmf_request_complete(first_req);
91 [ # # # # ]: 3107 : req->first_fused_req = NULL;
92 [ # # # # : 3107 : req->first_fused = false;
# # ]
93 : 0 : } else {
94 : 21585019 : spdk_bdev_io_get_nvme_status(bdev_io, &cdw0, &sct, &sc);
95 : : }
96 : :
97 [ + - + - ]: 21588126 : response->cdw0 = cdw0;
98 [ + - + - : 21588126 : response->status.sc = sc;
+ - ]
99 [ + - + - : 21588126 : response->status.sct = sct;
+ - ]
100 : :
101 : 21588126 : spdk_nvmf_request_complete(req);
102 : 21588126 : spdk_bdev_free_io(bdev_io);
103 : 21588126 : }
104 : :
105 : : static void
106 : 16 : nvmf_bdev_ctrlr_complete_admin_cmd(struct spdk_bdev_io *bdev_io, bool success,
107 : : void *cb_arg)
108 : : {
109 : 16 : struct spdk_nvmf_request *req = cb_arg;
110 : :
111 [ + + + - : 16 : if (req->cmd_cb_fn) {
- + ]
112 [ # # # # : 4 : req->cmd_cb_fn(req);
# # # # ]
113 : 0 : }
114 : :
115 [ + - ]: 16 : nvmf_bdev_ctrlr_complete_cmd(bdev_io, success, req);
116 : 16 : }
117 : :
118 : : void
119 : 3609 : nvmf_bdev_ctrlr_identify_ns(struct spdk_nvmf_ns *ns, struct spdk_nvme_ns_data *nsdata,
120 : : bool dif_insert_or_strip)
121 : : {
122 [ + - + - ]: 3609 : struct spdk_bdev *bdev = ns->bdev;
123 : 2 : uint64_t num_blocks;
124 : 2 : uint32_t phys_blocklen;
125 : 2 : uint32_t max_copy;
126 : :
127 : 3609 : num_blocks = spdk_bdev_get_num_blocks(bdev);
128 : :
129 [ + - + - ]: 3609 : nsdata->nsze = num_blocks;
130 [ + - + - ]: 3609 : nsdata->ncap = num_blocks;
131 [ + - + - ]: 3609 : nsdata->nuse = num_blocks;
132 [ + - + - ]: 3609 : nsdata->nlbaf = 0;
133 [ + - + - ]: 3609 : nsdata->flbas.format = 0;
134 [ + - + - ]: 3609 : nsdata->flbas.msb_format = 0;
135 [ + - + - : 3609 : nsdata->nacwu = spdk_bdev_get_acwu(bdev) - 1; /* nacwu is 0-based */
+ - ]
136 [ + + + + ]: 3609 : if (!dif_insert_or_strip) {
137 [ + - + - : 3573 : nsdata->lbaf[0].ms = spdk_bdev_get_md_size(bdev);
+ - + - ]
138 [ + - + - : 3573 : nsdata->lbaf[0].lbads = spdk_u32log2(spdk_bdev_get_block_size(bdev));
+ - + - ]
139 [ + + + - : 3573 : if (nsdata->lbaf[0].ms != 0) {
+ - + - +
+ ]
140 [ + - + - ]: 6 : nsdata->flbas.extended = 1;
141 [ + - + - ]: 6 : nsdata->mc.extended = 1;
142 [ + - + - ]: 6 : nsdata->mc.pointer = 0;
143 [ + - + - ]: 6 : nsdata->dps.md_start = spdk_bdev_is_dif_head_of_md(bdev);
144 : : /* NVMf library doesn't process PRACT and PRCHK flags, we
145 : : * leave the use of extended LBA buffer to users.
146 : : */
147 [ + - + - ]: 6 : nsdata->dps.pit = SPDK_NVME_FMT_NVM_PROTECTION_DISABLE;
148 : 1 : }
149 : 1046 : } else {
150 [ + - + - : 36 : nsdata->lbaf[0].ms = 0;
+ - + - ]
151 [ + - + - : 36 : nsdata->lbaf[0].lbads = spdk_u32log2(spdk_bdev_get_data_block_size(bdev));
+ - + - ]
152 : : }
153 : :
154 : 3609 : phys_blocklen = spdk_bdev_get_physical_block_size(bdev);
155 [ + + # # ]: 3609 : assert(phys_blocklen > 0);
156 : : /* Linux driver uses min(nawupf, npwg) to set physical_block_size */
157 [ + - + - ]: 3609 : nsdata->nsfeat.optperf = 1;
158 [ + - + - ]: 3609 : nsdata->nsfeat.ns_atomic_write_unit = 1;
159 [ + + + - : 3609 : nsdata->npwg = (phys_blocklen >> nsdata->lbaf[0].lbads) - 1;
+ - + - +
- + - +
- ]
160 [ + - + - : 3609 : nsdata->nawupf = nsdata->npwg;
+ - + - ]
161 [ + - + - : 3609 : nsdata->npwa = nsdata->npwg;
+ - + - ]
162 [ + - + - : 3609 : nsdata->npdg = nsdata->npwg;
+ - + - ]
163 [ + - + - : 3609 : nsdata->npda = nsdata->npwg;
+ - + - ]
164 : :
165 [ + + ]: 3609 : if (spdk_bdev_get_write_unit_size(bdev) == 1) {
166 [ + - + - ]: 3609 : nsdata->noiob = spdk_bdev_get_optimal_io_boundary(bdev);
167 : 1047 : }
168 [ + - + - ]: 3609 : nsdata->nmic.can_share = 1;
169 [ + + ]: 3609 : if (nvmf_ns_is_ptpl_capable(ns)) {
170 [ + - + - : 12 : nsdata->nsrescap.rescap.persist = 1;
+ - ]
171 : 2 : }
172 [ + - + - : 3609 : nsdata->nsrescap.rescap.write_exclusive = 1;
+ - ]
173 [ + - + - : 3609 : nsdata->nsrescap.rescap.exclusive_access = 1;
+ - ]
174 [ + - + - : 3609 : nsdata->nsrescap.rescap.write_exclusive_reg_only = 1;
+ - ]
175 [ + - + - : 3609 : nsdata->nsrescap.rescap.exclusive_access_reg_only = 1;
+ - ]
176 [ + - + - : 3609 : nsdata->nsrescap.rescap.write_exclusive_all_reg = 1;
+ - ]
177 [ + - + - : 3609 : nsdata->nsrescap.rescap.exclusive_access_all_reg = 1;
+ - ]
178 [ + - + - : 3609 : nsdata->nsrescap.rescap.ignore_existing_key = 1;
+ - ]
179 : :
180 : : SPDK_STATIC_ASSERT(sizeof(nsdata->nguid) == sizeof(ns->opts.nguid), "size mismatch");
181 [ + - + - : 3609 : memcpy(nsdata->nguid, ns->opts.nguid, sizeof(nsdata->nguid));
+ - + - +
- ]
182 : :
183 : : SPDK_STATIC_ASSERT(sizeof(nsdata->eui64) == sizeof(ns->opts.eui64), "size mismatch");
184 [ + - + - : 3609 : memcpy(&nsdata->eui64, ns->opts.eui64, sizeof(nsdata->eui64));
+ - + - +
- ]
185 : :
186 : : /* For now we support just one source range for copy command */
187 [ + - + - ]: 3609 : nsdata->msrc = 0;
188 : :
189 : 3609 : max_copy = spdk_bdev_get_max_copy(bdev);
190 [ + + - + ]: 3609 : if (max_copy == 0 || max_copy > UINT16_MAX) {
191 : : /* Zero means copy size is unlimited */
192 [ + - + - ]: 3118 : nsdata->mcl = UINT16_MAX;
193 [ + - + - ]: 3118 : nsdata->mssrl = UINT16_MAX;
194 : 1047 : } else {
195 [ # # # # ]: 491 : nsdata->mcl = max_copy;
196 [ # # # # ]: 491 : nsdata->mssrl = max_copy;
197 : : }
198 : 3609 : }
199 : :
200 : : static void
201 : 22456677 : nvmf_bdev_ctrlr_get_rw_params(const struct spdk_nvme_cmd *cmd, uint64_t *start_lba,
202 : : uint64_t *num_blocks)
203 : : {
204 : : /* SLBA: CDW10 and CDW11 */
205 [ + - + - : 22456677 : *start_lba = from_le64(&cmd->cdw10);
+ - ]
206 : :
207 : : /* NLB: CDW12 bits 15:00, 0's based */
208 [ + - + - : 22456677 : *num_blocks = (from_le32(&cmd->cdw12) & 0xFFFFu) + 1;
+ - ]
209 : 22456677 : }
210 : :
211 : : static bool
212 : 22453600 : nvmf_bdev_ctrlr_lba_in_range(uint64_t bdev_num_blocks, uint64_t io_start_lba,
213 : : uint64_t io_num_blocks)
214 : : {
215 [ + + + + ]: 22453600 : if (io_start_lba + io_num_blocks > bdev_num_blocks ||
216 [ + + ]: 22418615 : io_start_lba + io_num_blocks < io_start_lba) {
217 : 34997 : return false;
218 : : }
219 : :
220 : 22418603 : return true;
221 : 147377 : }
222 : :
223 : : static void
224 : 88206 : nvmf_ctrlr_process_io_cmd_resubmit(void *arg)
225 : : {
226 : 88206 : struct spdk_nvmf_request *req = arg;
227 : 0 : int rc;
228 : :
229 : 88206 : rc = nvmf_ctrlr_process_io_cmd(req);
230 [ - + ]: 88206 : if (rc == SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE) {
231 : 0 : spdk_nvmf_request_complete(req);
232 : 0 : }
233 : 88206 : }
234 : :
235 : : static void
236 : 0 : nvmf_ctrlr_process_admin_cmd_resubmit(void *arg)
237 : : {
238 : 0 : struct spdk_nvmf_request *req = arg;
239 : 0 : int rc;
240 : :
241 : 0 : rc = nvmf_ctrlr_process_admin_cmd(req);
242 [ # # ]: 0 : if (rc == SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE) {
243 : 0 : spdk_nvmf_request_complete(req);
244 : 0 : }
245 : 0 : }
246 : :
247 : : static void
248 : 135103 : nvmf_bdev_ctrl_queue_io(struct spdk_nvmf_request *req, struct spdk_bdev *bdev,
249 : : struct spdk_io_channel *ch, spdk_bdev_io_wait_cb cb_fn, void *cb_arg)
250 : : {
251 : 2 : int rc;
252 : :
253 [ + - + - : 135103 : req->bdev_io_wait.bdev = bdev;
+ - ]
254 [ + - + - : 135103 : req->bdev_io_wait.cb_fn = cb_fn;
+ - ]
255 [ + - + - : 135103 : req->bdev_io_wait.cb_arg = cb_arg;
+ - ]
256 : :
257 [ + - ]: 135103 : rc = spdk_bdev_queue_io_wait(bdev, ch, &req->bdev_io_wait);
258 [ + + ]: 135103 : if (rc != 0) {
259 [ # # ]: 0 : assert(false);
260 : : }
261 [ + - + - : 135103 : req->qpair->group->stat.pending_bdev_io++;
+ - + - +
- + - ]
262 : 135103 : }
263 : :
264 : : bool
265 : 0 : nvmf_bdev_zcopy_enabled(struct spdk_bdev *bdev)
266 : : {
267 : 0 : return spdk_bdev_io_type_supported(bdev, SPDK_BDEV_IO_TYPE_ZCOPY);
268 : : }
269 : :
270 : : int
271 : 13516031 : nvmf_bdev_ctrlr_read_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
272 : : struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
273 : : {
274 : 53520485 : struct spdk_bdev_ext_io_opts opts = {
275 : : .size = SPDK_SIZEOF(&opts, accel_sequence),
276 [ + - + - ]: 13516031 : .memory_domain = req->memory_domain,
277 [ + - + - ]: 13516031 : .memory_domain_ctx = req->memory_domain_ctx,
278 [ + - + - ]: 13516031 : .accel_sequence = req->accel_sequence,
279 : : };
280 : 13516031 : uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
281 : 13516031 : uint32_t block_size = spdk_bdev_get_block_size(bdev);
282 [ + - + - : 13516031 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
+ - ]
283 [ + - + - : 13516031 : struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
+ - ]
284 : 181214 : uint64_t start_lba;
285 : 181214 : uint64_t num_blocks;
286 : 1 : int rc;
287 : :
288 : 13516031 : nvmf_bdev_ctrlr_get_rw_params(cmd, &start_lba, &num_blocks);
289 : :
290 [ + + ]: 13516031 : if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, start_lba, num_blocks))) {
291 : 7688 : SPDK_ERRLOG("end of media\n");
292 [ # # # # : 7688 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
293 [ # # # # : 7688 : rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
# # ]
294 : 7688 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
295 : : }
296 : :
297 [ + + + - : 13508343 : if (spdk_unlikely(num_blocks * block_size > req->length)) {
- + ]
298 [ # # # # ]: 11888 : SPDK_ERRLOG("Read NLB %" PRIu64 " * block size %" PRIu32 " > SGL length %" PRIu32 "\n",
299 : : num_blocks, block_size, req->length);
300 [ # # # # : 11888 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
301 [ # # # # : 11888 : rsp->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
# # ]
302 : 11888 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
303 : : }
304 : :
305 [ + + # # ]: 13496455 : assert(!spdk_nvmf_request_using_zcopy(req));
306 : :
307 [ + - + - : 13496455 : rc = spdk_bdev_readv_blocks_ext(desc, ch, req->iov, req->iovcnt, start_lba, num_blocks,
+ - ]
308 : 73676 : nvmf_bdev_ctrlr_complete_cmd, req, &opts);
309 [ + + ]: 13496455 : if (spdk_unlikely(rc)) {
310 [ + - ]: 46228 : if (rc == -ENOMEM) {
311 : 46228 : nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
312 : 46228 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
313 : : }
314 [ # # # # : 0 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
315 [ # # # # : 0 : rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
# # ]
316 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
317 : : }
318 : :
319 : 13450227 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
320 : 73676 : }
321 : :
322 : : int
323 : 8168889 : nvmf_bdev_ctrlr_write_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
324 : : struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
325 : : {
326 : 32205315 : struct spdk_bdev_ext_io_opts opts = {
327 : : .size = SPDK_SIZEOF(&opts, accel_sequence),
328 [ + - + - ]: 8168889 : .memory_domain = req->memory_domain,
329 [ + - + - ]: 8168889 : .memory_domain_ctx = req->memory_domain_ctx,
330 [ + - + - ]: 8168889 : .accel_sequence = req->accel_sequence,
331 : : };
332 : 8168889 : uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
333 : 8168889 : uint32_t block_size = spdk_bdev_get_block_size(bdev);
334 [ + - + - : 8168889 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
+ - ]
335 [ + - + - : 8168889 : struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
+ - ]
336 : 156748 : uint64_t start_lba;
337 : 156748 : uint64_t num_blocks;
338 : 1 : int rc;
339 : :
340 : 8168889 : nvmf_bdev_ctrlr_get_rw_params(cmd, &start_lba, &num_blocks);
341 : :
342 [ + + ]: 8168889 : if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, start_lba, num_blocks))) {
343 : 7828 : SPDK_ERRLOG("end of media\n");
344 [ # # # # : 7828 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
345 [ # # # # : 7828 : rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
# # ]
346 : 7828 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
347 : : }
348 : :
349 [ + + + - : 8161061 : if (spdk_unlikely(num_blocks * block_size > req->length)) {
- + ]
350 [ # # # # ]: 0 : SPDK_ERRLOG("Write NLB %" PRIu64 " * block size %" PRIu32 " > SGL length %" PRIu32 "\n",
351 : : num_blocks, block_size, req->length);
352 [ # # # # : 0 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
353 [ # # # # : 0 : rsp->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
# # ]
354 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
355 : : }
356 : :
357 [ + + # # ]: 8161061 : assert(!spdk_nvmf_request_using_zcopy(req));
358 : :
359 [ + - + - : 8161061 : rc = spdk_bdev_writev_blocks_ext(desc, ch, req->iov, req->iovcnt, start_lba, num_blocks,
+ - ]
360 : 73676 : nvmf_bdev_ctrlr_complete_cmd, req, &opts);
361 [ + + ]: 8161061 : if (spdk_unlikely(rc)) {
362 [ + - ]: 41978 : if (rc == -ENOMEM) {
363 : 41978 : nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
364 : 41978 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
365 : : }
366 [ # # # # : 0 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
367 [ # # # # : 0 : rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
# # ]
368 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
369 : : }
370 : :
371 : 8119083 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
372 : 73676 : }
373 : :
374 : : int
375 : 7707 : nvmf_bdev_ctrlr_compare_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
376 : : struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
377 : : {
378 : 7707 : uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
379 : 7707 : uint32_t block_size = spdk_bdev_get_block_size(bdev);
380 [ + - + - : 7707 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
+ - ]
381 [ + - + - : 7707 : struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
+ - ]
382 : 20 : uint64_t start_lba;
383 : 20 : uint64_t num_blocks;
384 : 4 : int rc;
385 : :
386 : 7707 : nvmf_bdev_ctrlr_get_rw_params(cmd, &start_lba, &num_blocks);
387 : :
388 [ + + ]: 7707 : if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, start_lba, num_blocks))) {
389 : 7689 : SPDK_ERRLOG("end of media\n");
390 [ + - + - : 7689 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
+ - ]
391 [ + - + - : 7689 : rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
+ - ]
392 : 7689 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
393 : : }
394 : :
395 [ + + + - : 18 : if (spdk_unlikely(num_blocks * block_size > req->length)) {
+ + ]
396 [ + - + - ]: 6 : SPDK_ERRLOG("Compare NLB %" PRIu64 " * block size %" PRIu32 " > SGL length %" PRIu32 "\n",
397 : : num_blocks, block_size, req->length);
398 [ + - + - : 6 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
+ - ]
399 [ + - + - : 6 : rsp->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
+ - ]
400 : 6 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
401 : : }
402 : :
403 [ + - + - : 12 : rc = spdk_bdev_comparev_blocks(desc, ch, req->iov, req->iovcnt, start_lba, num_blocks,
+ - ]
404 : 2 : nvmf_bdev_ctrlr_complete_cmd, req);
405 [ + + ]: 12 : if (spdk_unlikely(rc)) {
406 [ - + ]: 6 : if (rc == -ENOMEM) {
407 : 0 : nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
408 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
409 : : }
410 [ - + - + : 6 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
- + ]
411 [ - + - + : 6 : rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
- + ]
412 : 6 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
413 : : }
414 : :
415 : 6 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
416 : 4 : }
417 : :
418 : : int
419 : 3131 : nvmf_bdev_ctrlr_compare_and_write_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
420 : : struct spdk_io_channel *ch, struct spdk_nvmf_request *cmp_req, struct spdk_nvmf_request *write_req)
421 : : {
422 : 3131 : uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
423 : 3131 : uint32_t block_size = spdk_bdev_get_block_size(bdev);
424 [ + - + - : 3131 : struct spdk_nvme_cmd *cmp_cmd = &cmp_req->cmd->nvme_cmd;
+ - ]
425 [ + - + - : 3131 : struct spdk_nvme_cmd *write_cmd = &write_req->cmd->nvme_cmd;
+ - ]
426 [ + - + - : 3131 : struct spdk_nvme_cpl *rsp = &write_req->rsp->nvme_cpl;
+ - ]
427 : 20 : uint64_t write_start_lba, cmp_start_lba;
428 : 20 : uint64_t write_num_blocks, cmp_num_blocks;
429 : 4 : int rc;
430 : :
431 : 3131 : nvmf_bdev_ctrlr_get_rw_params(cmp_cmd, &cmp_start_lba, &cmp_num_blocks);
432 : 3131 : nvmf_bdev_ctrlr_get_rw_params(write_cmd, &write_start_lba, &write_num_blocks);
433 : :
434 [ + + + + ]: 3131 : if (spdk_unlikely(write_start_lba != cmp_start_lba || write_num_blocks != cmp_num_blocks)) {
435 : 6 : SPDK_ERRLOG("Fused command start lba / num blocks mismatch\n");
436 [ + - + - : 6 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
+ - ]
437 [ + - + - : 6 : rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD;
+ - ]
438 : 6 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
439 : : }
440 : :
441 [ + + ]: 3125 : if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, write_start_lba,
442 : : write_num_blocks))) {
443 : 6 : SPDK_ERRLOG("end of media\n");
444 [ + - + - : 6 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
+ - ]
445 [ + - + - : 6 : rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
+ - ]
446 : 6 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
447 : : }
448 : :
449 [ + + + - : 3119 : if (spdk_unlikely(write_num_blocks * block_size > write_req->length)) {
+ + ]
450 [ + - + - ]: 6 : SPDK_ERRLOG("Write NLB %" PRIu64 " * block size %" PRIu32 " > SGL length %" PRIu32 "\n",
451 : : write_num_blocks, block_size, write_req->length);
452 [ + - + - : 6 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
+ - ]
453 [ + - + - : 6 : rsp->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
+ - ]
454 : 6 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
455 : : }
456 : :
457 [ + - + - : 3114 : rc = spdk_bdev_comparev_and_writev_blocks(desc, ch, cmp_req->iov, cmp_req->iovcnt, write_req->iov,
+ - + - ]
458 [ + - + - ]: 3113 : write_req->iovcnt, write_start_lba, write_num_blocks, nvmf_bdev_ctrlr_complete_cmd, write_req);
459 [ - + ]: 3113 : if (spdk_unlikely(rc)) {
460 [ # # ]: 0 : if (rc == -ENOMEM) {
461 : 0 : nvmf_bdev_ctrl_queue_io(cmp_req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, cmp_req);
462 : 0 : nvmf_bdev_ctrl_queue_io(write_req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, write_req);
463 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
464 : : }
465 [ # # # # : 0 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
466 [ # # # # : 0 : rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
# # ]
467 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
468 : : }
469 : :
470 : 3113 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
471 : 4 : }
472 : :
473 : : int
474 : 15266 : nvmf_bdev_ctrlr_write_zeroes_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
475 : : struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
476 : : {
477 : 15266 : uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
478 [ + - + - : 15266 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
+ - ]
479 [ + - + - : 15266 : struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
+ - ]
480 [ + - + - : 15266 : uint64_t max_write_zeroes_size = req->qpair->ctrlr->subsys->max_write_zeroes_size_kib;
+ - + - +
- + - + -
+ - ]
481 : 20 : uint64_t start_lba;
482 : 20 : uint64_t num_blocks;
483 : 4 : int rc;
484 : :
485 : 15266 : nvmf_bdev_ctrlr_get_rw_params(cmd, &start_lba, &num_blocks);
486 [ + + + + : 15266 : if (spdk_unlikely(max_write_zeroes_size > 0 &&
+ - + + ]
487 : : num_blocks > (max_write_zeroes_size << 10) / spdk_bdev_get_block_size(bdev))) {
488 : 6 : SPDK_ERRLOG("invalid write zeroes size, should not exceed %" PRIu64 "Kib\n", max_write_zeroes_size);
489 [ + - + - : 6 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
+ - ]
490 [ + - + - : 6 : rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD;
+ - ]
491 : 6 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
492 : : }
493 : :
494 [ + + ]: 15260 : if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, start_lba, num_blocks))) {
495 : 11744 : SPDK_ERRLOG("end of media\n");
496 [ + - + - : 11744 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
+ - ]
497 [ + - + - : 11744 : rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
+ - ]
498 : 11744 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
499 : : }
500 : :
501 : 3518 : rc = spdk_bdev_write_zeroes_blocks(desc, ch, start_lba, num_blocks,
502 : 2 : nvmf_bdev_ctrlr_complete_cmd, req);
503 [ + + ]: 3516 : if (spdk_unlikely(rc)) {
504 [ - + ]: 6 : if (rc == -ENOMEM) {
505 : 0 : nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
506 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
507 : : }
508 [ - + - + : 6 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
- + ]
509 [ - + - + : 6 : rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
- + ]
510 : 6 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
511 : : }
512 : :
513 : 3510 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
514 : 4 : }
515 : :
516 : : int
517 : 12200 : nvmf_bdev_ctrlr_flush_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
518 : : struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
519 : : {
520 [ + - + - : 12200 : struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
+ - ]
521 : 3 : int rc;
522 : :
523 : : /* As for NVMeoF controller, SPDK always set volatile write
524 : : * cache bit to 1, return success for those block devices
525 : : * which can't support FLUSH command.
526 : : */
527 [ + + ]: 12200 : if (!spdk_bdev_io_type_supported(bdev, SPDK_BDEV_IO_TYPE_FLUSH)) {
528 [ + - + - : 6 : response->status.sct = SPDK_NVME_SCT_GENERIC;
+ - ]
529 [ + - + - : 6 : response->status.sc = SPDK_NVME_SC_SUCCESS;
+ - ]
530 : 6 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
531 : : }
532 : :
533 : 12196 : rc = spdk_bdev_flush_blocks(desc, ch, 0, spdk_bdev_get_num_blocks(bdev),
534 : 2 : nvmf_bdev_ctrlr_complete_cmd, req);
535 [ + + ]: 12194 : if (spdk_unlikely(rc)) {
536 [ - + ]: 6 : if (rc == -ENOMEM) {
537 : 0 : nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
538 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
539 : : }
540 [ - + - + : 6 : response->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
- + ]
541 : 6 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
542 : : }
543 : 12188 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
544 : 3 : }
545 : :
546 : : struct nvmf_bdev_ctrlr_unmap {
547 : : struct spdk_nvmf_request *req;
548 : : uint32_t count;
549 : : struct spdk_bdev_desc *desc;
550 : : struct spdk_bdev *bdev;
551 : : struct spdk_io_channel *ch;
552 : : uint32_t range_index;
553 : : };
554 : :
555 : : static void
556 : 46917 : nvmf_bdev_ctrlr_unmap_cpl(struct spdk_bdev_io *bdev_io, bool success,
557 : : void *cb_arg)
558 : : {
559 : 46917 : struct nvmf_bdev_ctrlr_unmap *unmap_ctx = cb_arg;
560 [ # # # # ]: 46917 : struct spdk_nvmf_request *req = unmap_ctx->req;
561 [ # # # # : 46917 : struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
# # ]
562 : 0 : int sc, sct;
563 : 0 : uint32_t cdw0;
564 : :
565 [ # # ]: 46917 : unmap_ctx->count--;
566 : :
567 [ + - # # : 46917 : if (response->status.sct == SPDK_NVME_SCT_GENERIC &&
# # # # #
# ]
568 [ + - # # : 46917 : response->status.sc == SPDK_NVME_SC_SUCCESS) {
# # ]
569 : 46917 : spdk_bdev_io_get_nvme_status(bdev_io, &cdw0, &sct, &sc);
570 [ # # # # ]: 46917 : response->cdw0 = cdw0;
571 [ # # # # : 46917 : response->status.sc = sc;
# # ]
572 [ # # # # : 46917 : response->status.sct = sct;
# # ]
573 : 0 : }
574 : :
575 [ + - # # : 46917 : if (unmap_ctx->count == 0) {
# # ]
576 : 46917 : spdk_nvmf_request_complete(req);
577 : 46917 : free(unmap_ctx);
578 : 0 : }
579 : 46917 : spdk_bdev_free_io(bdev_io);
580 : 46917 : }
581 : :
582 : : static int nvmf_bdev_ctrlr_unmap(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
583 : : struct spdk_io_channel *ch, struct spdk_nvmf_request *req,
584 : : struct nvmf_bdev_ctrlr_unmap *unmap_ctx);
585 : : static void
586 : 46885 : nvmf_bdev_ctrlr_unmap_resubmit(void *arg)
587 : : {
588 : 46885 : struct nvmf_bdev_ctrlr_unmap *unmap_ctx = arg;
589 [ # # # # ]: 46885 : struct spdk_nvmf_request *req = unmap_ctx->req;
590 [ # # # # ]: 46885 : struct spdk_bdev_desc *desc = unmap_ctx->desc;
591 [ # # # # ]: 46885 : struct spdk_bdev *bdev = unmap_ctx->bdev;
592 [ # # # # ]: 46885 : struct spdk_io_channel *ch = unmap_ctx->ch;
593 : :
594 : 46885 : nvmf_bdev_ctrlr_unmap(bdev, desc, ch, req, unmap_ctx);
595 : 46885 : }
596 : :
597 : : static int
598 : 97669 : nvmf_bdev_ctrlr_unmap(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
599 : : struct spdk_io_channel *ch, struct spdk_nvmf_request *req,
600 : : struct nvmf_bdev_ctrlr_unmap *unmap_ctx)
601 : : {
602 : 0 : uint16_t nr, i;
603 [ # # # # : 97669 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
# # ]
604 [ # # # # : 97669 : struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
# # ]
605 [ # # # # : 97669 : uint64_t max_discard_size = req->qpair->ctrlr->subsys->max_discard_size_kib;
# # # # #
# # # # #
# # ]
606 : 97669 : uint32_t block_size = spdk_bdev_get_block_size(bdev);
607 : 0 : struct spdk_iov_xfer ix;
608 : 0 : uint64_t lba;
609 : 0 : uint32_t lba_count;
610 : 0 : int rc;
611 : :
612 [ # # # # : 97669 : nr = cmd->cdw10_bits.dsm.nr + 1;
# # # # #
# ]
613 [ + + # # : 97669 : if (nr * sizeof(struct spdk_nvme_dsm_range) > req->length) {
# # ]
614 : 3867 : SPDK_ERRLOG("Dataset Management number of ranges > SGL length\n");
615 [ # # # # : 3867 : response->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
# # ]
616 : 3867 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
617 : : }
618 : :
619 [ + + ]: 93802 : if (unmap_ctx == NULL) {
620 : 46917 : unmap_ctx = calloc(1, sizeof(*unmap_ctx));
621 [ - + ]: 46917 : if (!unmap_ctx) {
622 [ # # # # : 0 : response->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
# # ]
623 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
624 : : }
625 : :
626 [ # # # # ]: 46917 : unmap_ctx->req = req;
627 [ # # # # ]: 46917 : unmap_ctx->desc = desc;
628 [ # # # # ]: 46917 : unmap_ctx->ch = ch;
629 [ # # # # ]: 46917 : unmap_ctx->bdev = bdev;
630 : :
631 [ # # # # : 46917 : response->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
632 [ # # # # : 46917 : response->status.sc = SPDK_NVME_SC_SUCCESS;
# # ]
633 : 0 : } else {
634 [ # # ]: 46885 : unmap_ctx->count--; /* dequeued */
635 : : }
636 : :
637 [ # # # # : 93802 : spdk_iov_xfer_init(&ix, req->iov, req->iovcnt);
# # ]
638 : :
639 [ + + # # : 140719 : for (i = unmap_ctx->range_index; i < nr; i++) {
# # ]
640 : 93802 : struct spdk_nvme_dsm_range dsm_range = { 0 };
641 : :
642 : 93802 : spdk_iov_xfer_to_buf(&ix, &dsm_range, sizeof(dsm_range));
643 : :
644 [ # # ]: 93802 : lba = dsm_range.starting_lba;
645 [ # # ]: 93802 : lba_count = dsm_range.length;
646 [ - + - - : 93802 : if (max_discard_size > 0 && lba_count > (max_discard_size << 10) / block_size) {
- - # # ]
647 : 0 : SPDK_ERRLOG("invalid unmap size, should not exceed %" PRIu64 "Kib\n", max_discard_size);
648 [ # # # # : 0 : response->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
649 [ # # # # : 0 : response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
# # ]
650 : 46885 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
651 : : }
652 : :
653 [ # # ]: 93802 : unmap_ctx->count++;
654 : :
655 : 93802 : rc = spdk_bdev_unmap_blocks(desc, ch, lba, lba_count,
656 : 0 : nvmf_bdev_ctrlr_unmap_cpl, unmap_ctx);
657 [ + + ]: 93802 : if (rc) {
658 [ + - ]: 46885 : if (rc == -ENOMEM) {
659 : 46885 : nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_bdev_ctrlr_unmap_resubmit, unmap_ctx);
660 : : /* Unmap was not yet submitted to bdev */
661 : : /* unmap_ctx->count will be decremented when the request is dequeued */
662 : 46885 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
663 : : }
664 [ # # # # : 0 : response->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
# # ]
665 [ # # ]: 0 : unmap_ctx->count--;
666 : : /* We can't return here - we may have to wait for any other
667 : : * unmaps already sent to complete */
668 : 0 : break;
669 : : }
670 [ # # ]: 46917 : unmap_ctx->range_index++;
671 [ # # # ]: 0 : }
672 : :
673 [ - + # # : 46917 : if (unmap_ctx->count == 0) {
# # ]
674 : 0 : free(unmap_ctx);
675 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
676 : : }
677 : :
678 : 46917 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
679 : 0 : }
680 : :
681 : : int
682 : 54583 : nvmf_bdev_ctrlr_dsm_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
683 : : struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
684 : : {
685 [ # # # # : 54583 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
# # ]
686 [ # # # # : 54583 : struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
# # ]
687 : :
688 [ + + # # : 54583 : if (cmd->cdw11_bits.dsm.ad) {
# # # # #
# ]
689 : 50784 : return nvmf_bdev_ctrlr_unmap(bdev, desc, ch, req, NULL);
690 : : }
691 : :
692 [ # # # # : 3799 : response->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
693 [ # # # # : 3799 : response->status.sc = SPDK_NVME_SC_SUCCESS;
# # ]
694 : 3799 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
695 : 0 : }
696 : :
697 : : int
698 : 7698 : nvmf_bdev_ctrlr_copy_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
699 : : struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
700 : : {
701 [ + - + - : 7698 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
+ - ]
702 [ + - + - : 7698 : struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
+ - ]
703 [ + - + - : 7698 : uint64_t sdlba = ((uint64_t)cmd->cdw11 << 32) + cmd->cdw10;
+ - + - +
- + - +
- ]
704 : 7698 : struct spdk_nvme_scc_source_range range = { 0 };
705 : 25 : struct spdk_iov_xfer ix;
706 : 5 : int rc;
707 : :
708 [ + + + + : 7698 : SPDK_DEBUGLOG(nvmf, "Copy command: SDLBA %lu, NR %u, desc format %u, PRINFOR %u, "
+ - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# ]
709 : : "DTYPE %u, STCW %u, PRINFOW %u, FUA %u, LR %u\n",
710 : : sdlba,
711 : : cmd->cdw12_bits.copy.nr,
712 : : cmd->cdw12_bits.copy.df,
713 : : cmd->cdw12_bits.copy.prinfor,
714 : : cmd->cdw12_bits.copy.dtype,
715 : : cmd->cdw12_bits.copy.stcw,
716 : : cmd->cdw12_bits.copy.prinfow,
717 : : cmd->cdw12_bits.copy.fua,
718 : : cmd->cdw12_bits.copy.lr);
719 : :
720 [ + + + - : 7698 : if (spdk_unlikely(req->length != (cmd->cdw12_bits.copy.nr + 1) *
+ - + - +
- + - + -
- + ]
721 : : sizeof(struct spdk_nvme_scc_source_range))) {
722 [ # # # # : 7661 : response->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
723 [ # # # # : 7661 : response->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
# # ]
724 : 7661 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
725 : : }
726 : :
727 : : /*
728 : : * We support only one source range, and rely on this with the xfer
729 : : * below.
730 : : */
731 [ + + + - : 37 : if (cmd->cdw12_bits.copy.nr > 0) {
+ - + - +
+ ]
732 [ + - + - : 6 : response->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC;
+ - ]
733 [ + - + - : 6 : response->status.sc = SPDK_NVME_SC_CMD_SIZE_LIMIT_SIZE_EXCEEDED;
+ - ]
734 : 6 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
735 : : }
736 : :
737 [ + + + - : 31 : if (cmd->cdw12_bits.copy.df != 0) {
+ - + - +
+ ]
738 [ + - + - : 6 : response->status.sct = SPDK_NVME_SCT_GENERIC;
+ - ]
739 [ + - + - : 6 : response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
+ - ]
740 : 6 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
741 : : }
742 : :
743 [ + - + - : 25 : spdk_iov_xfer_init(&ix, req->iov, req->iovcnt);
+ - ]
744 : 25 : spdk_iov_xfer_to_buf(&ix, &range, sizeof(range));
745 : :
746 [ + - + - : 25 : rc = spdk_bdev_copy_blocks(desc, ch, sdlba, range.slba, range.nlb + 1,
+ - ]
747 : 3 : nvmf_bdev_ctrlr_complete_cmd, req);
748 [ + + ]: 25 : if (spdk_unlikely(rc)) {
749 [ - + ]: 6 : if (rc == -ENOMEM) {
750 : 0 : nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
751 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
752 : : }
753 : :
754 [ - + - + : 6 : response->status.sct = SPDK_NVME_SCT_GENERIC;
- + ]
755 [ - + - + : 6 : response->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
- + ]
756 : 6 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
757 : : }
758 : :
759 : 19 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
760 : 5 : }
761 : :
762 : : int
763 : 2127985 : nvmf_bdev_ctrlr_nvme_passthru_io(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
764 : : struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
765 : : {
766 : 4 : int rc;
767 : :
768 [ + - + - : 2127989 : rc = spdk_bdev_nvme_iov_passthru_md(desc, ch, &req->cmd->nvme_cmd, req->iov, req->iovcnt,
+ - + - +
- + - ]
769 [ + - + - ]: 2127985 : req->length, NULL, 0, nvmf_bdev_ctrlr_complete_cmd, req);
770 : :
771 [ + + ]: 2127985 : if (spdk_unlikely(rc)) {
772 [ + + ]: 2127973 : if (rc == -ENOMEM) {
773 : 6 : nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
774 : 6 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
775 : : }
776 [ - + - + : 2127967 : req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC;
- + - + -
+ - + ]
777 [ - + - + : 2127967 : req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_INVALID_OPCODE;
- + - + -
+ - + ]
778 [ - + - + : 2127967 : req->rsp->nvme_cpl.status.dnr = 1;
- + - + -
+ - + ]
779 : 2127967 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
780 : : }
781 : :
782 : 12 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
783 : 4 : }
784 : :
785 : : int
786 : 28 : spdk_nvmf_bdev_ctrlr_nvme_passthru_admin(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
787 : : struct spdk_io_channel *ch, struct spdk_nvmf_request *req,
788 : : spdk_nvmf_nvme_passthru_cmd_cb cb_fn)
789 : : {
790 : 4 : int rc;
791 : :
792 [ + + + - : 28 : if (spdk_unlikely(req->iovcnt > 1)) {
- + ]
793 [ # # # # : 0 : req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC;
# # # # #
# # # ]
794 [ # # # # : 0 : req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
# # # # #
# # # ]
795 [ # # # # : 0 : req->rsp->nvme_cpl.status.dnr = 1;
# # # # #
# # # ]
796 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
797 : : }
798 : :
799 [ + - + - ]: 28 : req->cmd_cb_fn = cb_fn;
800 : :
801 [ + - + - : 28 : rc = spdk_bdev_nvme_admin_passthru(desc, ch, &req->cmd->nvme_cmd, req->iov[0].iov_base, req->length,
+ - + - +
- + - + -
+ - + - +
- ]
802 : 4 : nvmf_bdev_ctrlr_complete_admin_cmd, req);
803 [ + + ]: 28 : if (spdk_unlikely(rc)) {
804 [ + + ]: 12 : if (rc == -ENOMEM) {
805 : 6 : nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_admin_cmd_resubmit, req);
806 : 6 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
807 : : }
808 [ + - + - : 6 : req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC;
+ - + - +
- + - ]
809 [ + - ]: 6 : if (rc == -ENOTSUP) {
810 [ - + - + : 6 : req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_INVALID_OPCODE;
- + - + -
+ - + ]
811 : 1 : } else {
812 [ # # # # : 0 : req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
# # # # #
# # # ]
813 : : }
814 : :
815 [ + - + - : 6 : req->rsp->nvme_cpl.status.dnr = 1;
+ - + - +
- + - ]
816 : 6 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
817 : : }
818 : :
819 : 16 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
820 : 4 : }
821 : :
822 : : static void
823 : 29896 : nvmf_bdev_ctrlr_complete_abort_cmd(struct spdk_bdev_io *bdev_io, bool success, void *cb_arg)
824 : : {
825 : 29896 : struct spdk_nvmf_request *req = cb_arg;
826 : :
827 [ + + # # ]: 29896 : if (success) {
828 [ # # # # : 27527 : req->rsp->nvme_cpl.cdw0 &= ~1U;
# # # # #
# ]
829 : 0 : }
830 : :
831 : 29896 : spdk_nvmf_request_complete(req);
832 : 29896 : spdk_bdev_free_io(bdev_io);
833 : 29896 : }
834 : :
835 : : int
836 : 29896 : spdk_nvmf_bdev_ctrlr_abort_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
837 : : struct spdk_io_channel *ch, struct spdk_nvmf_request *req,
838 : : struct spdk_nvmf_request *req_to_abort)
839 : : {
840 : 0 : int rc;
841 : :
842 [ - + # # : 29896 : assert((req->rsp->nvme_cpl.cdw0 & 1U) != 0);
# # # # #
# # # #
# ]
843 : :
844 : 29896 : rc = spdk_bdev_abort(desc, ch, req_to_abort, nvmf_bdev_ctrlr_complete_abort_cmd, req);
845 [ + - ]: 29896 : if (spdk_likely(rc == 0)) {
846 : 29896 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
847 [ # # ]: 0 : } else if (rc == -ENOMEM) {
848 : 0 : nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_admin_cmd_resubmit, req);
849 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
850 : : } else {
851 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
852 : : }
853 : 0 : }
854 : :
855 : : bool
856 : 637339 : nvmf_bdev_ctrlr_get_dif_ctx(struct spdk_bdev *bdev, struct spdk_nvme_cmd *cmd,
857 : : struct spdk_dif_ctx *dif_ctx)
858 : : {
859 : 637339 : uint32_t init_ref_tag, dif_check_flags = 0;
860 : 2 : int rc;
861 : 10 : struct spdk_dif_ctx_init_ext_opts dif_opts;
862 : :
863 [ + + ]: 637339 : if (spdk_bdev_get_md_size(bdev) == 0) {
864 : 6 : return false;
865 : : }
866 : :
867 : : /* Initial Reference Tag is the lower 32 bits of the start LBA. */
868 [ + - + - ]: 637333 : init_ref_tag = (uint32_t)from_le64(&cmd->cdw10);
869 : :
870 [ + + ]: 637333 : if (spdk_bdev_is_dif_check_enabled(bdev, SPDK_DIF_CHECK_TYPE_REFTAG)) {
871 [ # # ]: 601982 : dif_check_flags |= SPDK_DIF_FLAGS_REFTAG_CHECK;
872 : 0 : }
873 : :
874 [ + + ]: 637333 : if (spdk_bdev_is_dif_check_enabled(bdev, SPDK_DIF_CHECK_TYPE_GUARD)) {
875 [ # # ]: 637327 : dif_check_flags |= SPDK_DIF_FLAGS_GUARD_CHECK;
876 : 0 : }
877 : :
878 : 637333 : dif_opts.size = SPDK_SIZEOF(&dif_opts, dif_pi_format);
879 [ + - ]: 637333 : dif_opts.dif_pi_format = SPDK_DIF_PI_FORMAT_16;
880 : 1274666 : rc = spdk_dif_ctx_init(dif_ctx,
881 : 1 : spdk_bdev_get_block_size(bdev),
882 : 1 : spdk_bdev_get_md_size(bdev),
883 : 637333 : spdk_bdev_is_md_interleaved(bdev),
884 : 637333 : spdk_bdev_is_dif_head_of_md(bdev),
885 : 1 : spdk_bdev_get_dif_type(bdev),
886 : 1 : dif_check_flags,
887 : 1 : init_ref_tag, 0, 0, 0, 0, &dif_opts);
888 : :
889 : 637333 : return (rc == 0) ? true : false;
890 : 2 : }
891 : :
892 : : static void
893 : 742498 : nvmf_bdev_ctrlr_zcopy_start_complete(struct spdk_bdev_io *bdev_io, bool success,
894 : : void *cb_arg)
895 : : {
896 : 742498 : struct spdk_nvmf_request *req = cb_arg;
897 : 0 : struct iovec *iov;
898 : 742498 : int iovcnt = 0;
899 : :
900 [ + + # # ]: 742498 : if (spdk_unlikely(!success)) {
901 : 197 : int sc = 0, sct = 0;
902 : 197 : uint32_t cdw0 = 0;
903 [ # # # # : 197 : struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
# # ]
904 : 197 : spdk_bdev_io_get_nvme_status(bdev_io, &cdw0, &sct, &sc);
905 : :
906 [ # # # # ]: 197 : response->cdw0 = cdw0;
907 [ # # # # : 197 : response->status.sc = sc;
# # ]
908 [ # # # # : 197 : response->status.sct = sct;
# # ]
909 : :
910 : 197 : spdk_bdev_free_io(bdev_io);
911 : 197 : spdk_nvmf_request_complete(req);
912 : 197 : return;
913 : 0 : }
914 : :
915 : 742301 : spdk_bdev_io_get_iovec(bdev_io, &iov, &iovcnt);
916 : :
917 [ - + # # ]: 742301 : assert(iovcnt <= NVMF_REQ_MAX_BUFFERS);
918 [ - + # # ]: 742301 : assert(iovcnt > 0);
919 : :
920 [ # # # # ]: 742301 : req->iovcnt = iovcnt;
921 : :
922 [ - + # # : 742301 : assert(req->iov == iov);
# # ]
923 : :
924 [ # # # # ]: 742301 : req->zcopy_bdev_io = bdev_io; /* Preserve the bdev_io for the end zcopy */
925 : :
926 : 742301 : spdk_nvmf_request_complete(req);
927 : : /* Don't free the bdev_io here as it is needed for the END ZCOPY */
928 [ # # ]: 0 : }
929 : :
930 : : int
931 : 742516 : nvmf_bdev_ctrlr_zcopy_start(struct spdk_bdev *bdev,
932 : : struct spdk_bdev_desc *desc,
933 : : struct spdk_io_channel *ch,
934 : : struct spdk_nvmf_request *req)
935 : : {
936 [ + - + - : 742516 : struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
+ - ]
937 : 742516 : uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
938 : 742516 : uint32_t block_size = spdk_bdev_get_block_size(bdev);
939 : 15 : uint64_t start_lba;
940 : 15 : uint64_t num_blocks;
941 : 3 : int rc;
942 : :
943 [ + - + - : 742516 : nvmf_bdev_ctrlr_get_rw_params(&req->cmd->nvme_cmd, &start_lba, &num_blocks);
+ - ]
944 : :
945 [ + + ]: 742516 : if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, start_lba, num_blocks))) {
946 : 6 : SPDK_ERRLOG("end of media\n");
947 [ + - + - : 6 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
+ - ]
948 [ + - + - : 6 : rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
+ - ]
949 : 6 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
950 : : }
951 : :
952 [ + + + - : 742510 : if (spdk_unlikely(num_blocks * block_size > req->length)) {
+ + ]
953 [ + - + - ]: 6 : SPDK_ERRLOG("Read NLB %" PRIu64 " * block size %" PRIu32 " > SGL length %" PRIu32 "\n",
954 : : num_blocks, block_size, req->length);
955 [ + - + - : 6 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
+ - ]
956 [ + - + - : 6 : rsp->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
+ - ]
957 : 6 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
958 : : }
959 : :
960 [ + - + - : 742504 : bool populate = (req->cmd->nvme_cmd.opc == SPDK_NVME_OPC_READ) ? true : false;
+ - + - ]
961 : :
962 [ + - + - : 742504 : rc = spdk_bdev_zcopy_start(desc, ch, req->iov, req->iovcnt, start_lba,
+ - ]
963 [ + - ]: 1 : num_blocks, populate, nvmf_bdev_ctrlr_zcopy_start_complete, req);
964 [ - + ]: 742504 : if (spdk_unlikely(rc != 0)) {
965 [ # # ]: 0 : if (rc == -ENOMEM) {
966 : 0 : nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
967 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
968 : : }
969 [ # # # # : 0 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
# # ]
970 [ # # # # : 0 : rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
# # ]
971 : 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
972 : : }
973 : :
974 : 742504 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
975 : 3 : }
976 : :
977 : : static void
978 : 742301 : nvmf_bdev_ctrlr_zcopy_end_complete(struct spdk_bdev_io *bdev_io, bool success,
979 : : void *cb_arg)
980 : : {
981 : 742301 : struct spdk_nvmf_request *req = cb_arg;
982 : :
983 [ + + # # ]: 742301 : if (spdk_unlikely(!success)) {
984 : 69 : int sc = 0, sct = 0;
985 : 69 : uint32_t cdw0 = 0;
986 [ # # # # : 69 : struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
# # ]
987 : 69 : spdk_bdev_io_get_nvme_status(bdev_io, &cdw0, &sct, &sc);
988 : :
989 [ # # # # ]: 69 : response->cdw0 = cdw0;
990 [ # # # # : 69 : response->status.sc = sc;
# # ]
991 [ # # # # : 69 : response->status.sct = sct;
# # ]
992 : 0 : }
993 : :
994 : 742301 : spdk_bdev_free_io(bdev_io);
995 [ # # # # ]: 742301 : req->zcopy_bdev_io = NULL;
996 : 742301 : spdk_nvmf_request_complete(req);
997 : 742301 : }
998 : :
999 : : void
1000 : 742301 : nvmf_bdev_ctrlr_zcopy_end(struct spdk_nvmf_request *req, bool commit)
1001 : : {
1002 : 0 : int rc __attribute__((unused));
1003 : :
1004 [ # # # # : 742301 : rc = spdk_bdev_zcopy_end(req->zcopy_bdev_io, commit, nvmf_bdev_ctrlr_zcopy_end_complete, req);
# # ]
1005 : :
1006 : : /* The only way spdk_bdev_zcopy_end() can fail is if we pass a bdev_io type that isn't ZCOPY */
1007 [ - + # # ]: 742301 : assert(rc == 0);
1008 : 742301 : }
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