LCOV - code coverage report
Current view: top level - spdk/lib/nvmf - ctrlr_bdev.c (source / functions) Hit Total Coverage
Test: Combined Lines: 510 627 81.3 %
Date: 2024-11-18 12:18:03 Functions: 31 35 88.6 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 321 1820 17.6 %

           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                 :       8478 : 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         [ +  + ]:      14213 :         for (ns = spdk_nvmf_subsystem_get_first_ns(subsystem); ns != NULL;
      32                 :       5735 :              ns = spdk_nvmf_subsystem_get_next_ns(subsystem, ns)) {
      33   [ +  +  +  -  :       6154 :                 if (ns->bdev == NULL) {
                   +  - ]
      34                 :          0 :                         continue;
      35                 :            :                 }
      36                 :            : 
      37   [ +  +  +  -  :       6154 :                 if (!spdk_bdev_io_type_supported(ns->bdev, io_type)) {
                   +  - ]
      38   [ -  +  -  +  :        419 :                         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                 :        419 :                         return false;
      43                 :            :                 }
      44                 :       1684 :         }
      45                 :            : 
      46   [ +  +  +  +  :       8059 :         SPDK_DEBUGLOG(nvmf, "All devices in Subsystem %s support io_type %d\n",
                   +  - ]
      47                 :            :                       spdk_nvmf_subsystem_get_nqn(subsystem), (int)io_type);
      48                 :       8059 :         return true;
      49                 :       1684 : }
      50                 :            : 
      51                 :            : bool
      52                 :       4239 : nvmf_ctrlr_dsm_supported(struct spdk_nvmf_ctrlr *ctrlr)
      53                 :            : {
      54   [ +  -  +  - ]:       4239 :         return nvmf_subsystem_bdev_io_type_supported(ctrlr->subsys, SPDK_BDEV_IO_TYPE_UNMAP);
      55                 :            : }
      56                 :            : 
      57                 :            : bool
      58                 :       4239 : nvmf_ctrlr_write_zeroes_supported(struct spdk_nvmf_ctrlr *ctrlr)
      59                 :            : {
      60   [ +  -  +  - ]:       4239 :         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                 :   26793611 : nvmf_bdev_ctrlr_complete_cmd(struct spdk_bdev_io *bdev_io, bool success,
      71                 :            :                              void *cb_arg)
      72                 :            : {
      73                 :   26793611 :         struct spdk_nvmf_request        *req = cb_arg;
      74   [ +  -  +  -  :   26793611 :         struct spdk_nvme_cpl            *response = &req->rsp->nvme_cpl;
                   +  - ]
      75                 :   26793611 :         int                             sc = 0, sct = 0;
      76                 :   26793611 :         uint32_t                        cdw0 = 0;
      77                 :            : 
      78   [ +  +  +  -  :   26793611 :         if (spdk_unlikely(req->first_fused)) {
             +  -  -  + ]
      79   [ #  #  #  # ]:       4146 :                 struct spdk_nvmf_request        *first_req = req->first_fused_req;
      80   [ #  #  #  #  :       4146 :                 struct spdk_nvme_cpl            *first_response = &first_req->rsp->nvme_cpl;
                   #  # ]
      81                 :       4146 :                 int                             first_sc = 0, first_sct = 0;
      82                 :            : 
      83                 :            :                 /* get status for both operations */
      84                 :       4146 :                 spdk_bdev_io_get_nvme_fused_status(bdev_io, &cdw0, &first_sct, &first_sc, &sct, &sc);
      85   [ #  #  #  # ]:       4146 :                 first_response->cdw0 = cdw0;
      86   [ #  #  #  #  :       4146 :                 first_response->status.sc = first_sc;
                   #  # ]
      87   [ #  #  #  #  :       4146 :                 first_response->status.sct = first_sct;
                   #  # ]
      88                 :            : 
      89                 :            :                 /* first request should be completed */
      90                 :       4146 :                 spdk_nvmf_request_complete(first_req);
      91   [ #  #  #  # ]:       4146 :                 req->first_fused_req = NULL;
      92   [ #  #  #  #  :       4146 :                 req->first_fused = false;
                   #  # ]
      93                 :          0 :         } else {
      94                 :   26789465 :                 spdk_bdev_io_get_nvme_status(bdev_io, &cdw0, &sct, &sc);
      95                 :            :         }
      96                 :            : 
      97   [ +  -  +  - ]:   26793611 :         response->cdw0 = cdw0;
      98   [ +  -  +  -  :   26793611 :         response->status.sc = sc;
                   +  - ]
      99   [ +  -  +  -  :   26793611 :         response->status.sct = sct;
                   +  - ]
     100                 :            : 
     101                 :   26793611 :         spdk_nvmf_request_complete(req);
     102                 :   26793611 :         spdk_bdev_free_io(bdev_io);
     103                 :   26793611 : }
     104                 :            : 
     105                 :            : static void
     106                 :        120 : nvmf_bdev_ctrlr_complete_admin_cmd(struct spdk_bdev_io *bdev_io, bool success,
     107                 :            :                                    void *cb_arg)
     108                 :            : {
     109                 :        120 :         struct spdk_nvmf_request *req = cb_arg;
     110                 :            : 
     111   [ +  +  #  #  :        120 :         if (req->cmd_cb_fn) {
                   #  # ]
     112   [ #  #  #  #  :        112 :                 req->cmd_cb_fn(req);
             #  #  #  # ]
     113                 :          0 :         }
     114                 :            : 
     115         [ #  # ]:        120 :         nvmf_bdev_ctrlr_complete_cmd(bdev_io, success, req);
     116                 :        120 : }
     117                 :            : 
     118                 :            : void
     119                 :       4942 : nvmf_bdev_ctrlr_identify_ns(struct spdk_nvmf_ns *ns, struct spdk_nvme_ns_data *nsdata,
     120                 :            :                             bool dif_insert_or_strip)
     121                 :            : {
     122   [ +  -  +  - ]:       4942 :         struct spdk_bdev *bdev = ns->bdev;
     123                 :            :         uint64_t num_blocks;
     124                 :            :         uint32_t phys_blocklen;
     125                 :            :         uint32_t max_copy;
     126                 :            : 
     127                 :       4942 :         num_blocks = spdk_bdev_get_num_blocks(bdev);
     128                 :            : 
     129   [ +  -  +  - ]:       4942 :         nsdata->nsze = num_blocks;
     130   [ +  -  +  - ]:       4942 :         nsdata->ncap = num_blocks;
     131   [ +  -  +  - ]:       4942 :         nsdata->nuse = num_blocks;
     132   [ +  -  +  - ]:       4942 :         nsdata->nlbaf = 0;
     133   [ +  -  +  - ]:       4942 :         nsdata->flbas.format = 0;
     134   [ +  -  +  - ]:       4942 :         nsdata->flbas.msb_format = 0;
     135   [ +  -  +  -  :       4942 :         nsdata->nacwu = spdk_bdev_get_acwu(bdev) - 1; /* nacwu is 0-based */
                   +  - ]
     136   [ +  +  -  + ]:       4942 :         if (!dif_insert_or_strip) {
     137   [ +  -  +  -  :       4908 :                 nsdata->lbaf[0].ms = spdk_bdev_get_md_size(bdev);
             +  -  +  - ]
     138   [ +  -  +  -  :       4908 :                 nsdata->lbaf[0].lbads = spdk_u32log2(spdk_bdev_get_block_size(bdev));
             +  -  +  - ]
     139   [ +  +  +  -  :       4908 :                 if (nsdata->lbaf[0].ms != 0) {
          +  -  +  -  +  
                      - ]
     140   [ #  #  #  # ]:          4 :                         nsdata->flbas.extended = 1;
     141   [ #  #  #  # ]:          4 :                         nsdata->mc.extended = 1;
     142   [ #  #  #  # ]:          4 :                         nsdata->mc.pointer = 0;
     143   [ #  #  #  # ]:          4 :                         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   [ #  #  #  # ]:          4 :                         nsdata->dps.pit = SPDK_NVME_FMT_NVM_PROTECTION_DISABLE;
     148                 :          1 :                 }
     149                 :        841 :         } else {
     150   [ #  #  #  #  :         34 :                 nsdata->lbaf[0].ms = 0;
             #  #  #  # ]
     151   [ #  #  #  #  :         34 :                 nsdata->lbaf[0].lbads = spdk_u32log2(spdk_bdev_get_data_block_size(bdev));
             #  #  #  # ]
     152                 :            :         }
     153                 :            : 
     154                 :       4942 :         phys_blocklen = spdk_bdev_get_physical_block_size(bdev);
     155   [ +  +  #  # ]:       4942 :         assert(phys_blocklen > 0);
     156                 :            :         /* Linux driver uses min(nawupf, npwg) to set physical_block_size */
     157   [ +  -  +  - ]:       4942 :         nsdata->nsfeat.optperf = 1;
     158   [ +  -  +  - ]:       4942 :         nsdata->nsfeat.ns_atomic_write_unit = 1;
     159   [ +  +  +  -  :       4942 :         nsdata->npwg = (phys_blocklen >> nsdata->lbaf[0].lbads) - 1;
          +  -  +  -  +  
             -  +  -  +  
                      - ]
     160   [ +  -  +  -  :       4942 :         nsdata->nawupf = nsdata->npwg;
             +  -  +  - ]
     161   [ +  -  +  -  :       4942 :         nsdata->npwa = nsdata->npwg;
             +  -  +  - ]
     162   [ +  -  +  -  :       4942 :         nsdata->npdg = nsdata->npwg;
             +  -  +  - ]
     163   [ +  -  +  -  :       4942 :         nsdata->npda = nsdata->npwg;
             +  -  +  - ]
     164                 :            : 
     165         [ +  + ]:       4942 :         if (spdk_bdev_get_write_unit_size(bdev) == 1) {
     166   [ +  -  +  - ]:       4942 :                 nsdata->noiob = spdk_bdev_get_optimal_io_boundary(bdev);
     167                 :        842 :         }
     168   [ +  -  +  - ]:       4942 :         nsdata->nmic.can_share = 1;
     169         [ +  + ]:       4942 :         if (nvmf_ns_is_ptpl_capable(ns)) {
     170   [ #  #  #  #  :          8 :                 nsdata->nsrescap.rescap.persist = 1;
                   #  # ]
     171                 :          2 :         }
     172   [ +  -  +  -  :       4942 :         nsdata->nsrescap.rescap.write_exclusive = 1;
                   +  - ]
     173   [ +  -  +  -  :       4942 :         nsdata->nsrescap.rescap.exclusive_access = 1;
                   +  - ]
     174   [ +  -  +  -  :       4942 :         nsdata->nsrescap.rescap.write_exclusive_reg_only = 1;
                   +  - ]
     175   [ +  -  +  -  :       4942 :         nsdata->nsrescap.rescap.exclusive_access_reg_only = 1;
                   +  - ]
     176   [ +  -  +  -  :       4942 :         nsdata->nsrescap.rescap.write_exclusive_all_reg = 1;
                   +  - ]
     177   [ +  -  +  -  :       4942 :         nsdata->nsrescap.rescap.exclusive_access_all_reg = 1;
                   +  - ]
     178   [ +  -  +  -  :       4942 :         nsdata->nsrescap.rescap.ignore_existing_key = 1;
                   +  - ]
     179                 :            : 
     180                 :            :         SPDK_STATIC_ASSERT(sizeof(nsdata->nguid) == sizeof(ns->opts.nguid), "size mismatch");
     181   [ +  -  +  -  :       4942 :         memcpy(nsdata->nguid, ns->opts.nguid, sizeof(nsdata->nguid));
          +  -  +  -  +  
                      - ]
     182                 :            : 
     183                 :            :         SPDK_STATIC_ASSERT(sizeof(nsdata->eui64) == sizeof(ns->opts.eui64), "size mismatch");
     184   [ +  -  +  -  :       4942 :         memcpy(&nsdata->eui64, ns->opts.eui64, sizeof(nsdata->eui64));
          +  -  +  -  +  
                      - ]
     185                 :            : 
     186                 :            :         /* For now we support just one source range for copy command */
     187   [ +  -  +  - ]:       4942 :         nsdata->msrc = 0;
     188                 :            : 
     189                 :       4942 :         max_copy = spdk_bdev_get_max_copy(bdev);
     190   [ +  +  -  + ]:       4942 :         if (max_copy == 0 || max_copy > UINT16_MAX) {
     191                 :            :                 /* Zero means copy size is unlimited */
     192   [ +  -  +  - ]:       3946 :                 nsdata->mcl = UINT16_MAX;
     193   [ +  -  +  - ]:       3946 :                 nsdata->mssrl = UINT16_MAX;
     194                 :        842 :         } else {
     195   [ #  #  #  # ]:        996 :                 nsdata->mcl = max_copy;
     196   [ #  #  #  # ]:        996 :                 nsdata->mssrl = max_copy;
     197                 :            :         }
     198                 :       4942 : }
     199                 :            : 
     200                 :            : void
     201                 :          0 : nvmf_bdev_ctrlr_identify_iocs_nvm(struct spdk_nvmf_ns *ns,
     202                 :            :                                   struct spdk_nvme_nvm_ns_data *nsdata_nvm)
     203                 :            : {
     204   [ #  #  #  # ]:          0 :         struct spdk_bdev *bdev = ns->bdev;
     205                 :            :         uint8_t _16bpists;
     206                 :            :         uint32_t sts, pif;
     207                 :            : 
     208         [ #  # ]:          0 :         if (spdk_bdev_get_dif_type(bdev) == SPDK_DIF_DISABLE) {
     209                 :          0 :                 return;
     210                 :            :         }
     211                 :            : 
     212                 :          0 :         pif = spdk_bdev_get_dif_pi_format(bdev);
     213                 :            : 
     214                 :            :         /*
     215                 :            :          * 16BPISTS shall be 1 for 32/64b Guard PI.
     216                 :            :          * STCRS shall be 1 if 16BPISTS is 1.
     217                 :            :          * 16 is the minimum value of STS for 32b Guard PI.
     218                 :            :          */
     219   [ #  #  #  # ]:          0 :         switch (pif) {
     220                 :          0 :         case SPDK_DIF_PI_FORMAT_16:
     221                 :          0 :                 _16bpists = 0;
     222                 :          0 :                 sts = 0;
     223                 :          0 :                 break;
     224                 :          0 :         case SPDK_DIF_PI_FORMAT_32:
     225                 :          0 :                 _16bpists = 1;
     226                 :          0 :                 sts = 16;
     227                 :          0 :                 break;
     228                 :          0 :         case SPDK_DIF_PI_FORMAT_64:
     229                 :          0 :                 _16bpists = 1;
     230                 :          0 :                 sts = 0;
     231                 :          0 :                 break;
     232                 :          0 :         default:
     233                 :          0 :                 SPDK_WARNLOG("PI format %u is not supported\n", pif);
     234                 :          0 :                 return;
     235                 :            :         }
     236                 :            : 
     237                 :            :         /* For 16b Guard PI, Storage Tag is not available because we set STS to 0.
     238                 :            :          * In this case, we do not have to set 16BPISTM to 1. For simplicity,
     239                 :            :          * set 16BPISTM to 0 and set LBSTM to all zeroes.
     240                 :            :          *
     241                 :            :          * We will revisit here when we find any OS uses Storage Tag.
     242                 :            :          */
     243   [ #  #  #  # ]:          0 :         nsdata_nvm->lbstm = 0;
     244   [ #  #  #  # ]:          0 :         nsdata_nvm->pic._16bpistm = 0;
     245                 :            : 
     246   [ #  #  #  # ]:          0 :         nsdata_nvm->pic._16bpists = _16bpists;
     247   [ #  #  #  # ]:          0 :         nsdata_nvm->pic.stcrs = 0;
     248   [ #  #  #  #  :          0 :         nsdata_nvm->elbaf[0].sts = sts;
             #  #  #  # ]
     249   [ #  #  #  #  :          0 :         nsdata_nvm->elbaf[0].pif = pif;
             #  #  #  # ]
     250                 :          0 : }
     251                 :            : 
     252                 :            : static void
     253                 :   27735600 : nvmf_bdev_ctrlr_get_rw_params(const struct spdk_nvme_cmd *cmd, uint64_t *start_lba,
     254                 :            :                               uint64_t *num_blocks)
     255                 :            : {
     256                 :            :         /* SLBA: CDW10 and CDW11 */
     257   [ +  -  +  -  :   27735600 :         *start_lba = from_le64(&cmd->cdw10);
                   +  - ]
     258                 :            : 
     259                 :            :         /* NLB: CDW12 bits 15:00, 0's based */
     260   [ +  -  +  -  :   27735600 :         *num_blocks = (from_le32(&cmd->cdw12) & 0xFFFFu) + 1;
                   +  - ]
     261                 :   27735600 : }
     262                 :            : 
     263                 :            : static void
     264                 :   11447445 : nvmf_bdev_ctrlr_get_rw_ext_params(const struct spdk_nvme_cmd *cmd,
     265                 :            :                                   struct spdk_bdev_ext_io_opts *opts)
     266                 :            : {
     267                 :            :         /* Get CDW12 values */
     268   [ +  -  +  -  :   11447445 :         opts->nvme_cdw12.raw = from_le32(&cmd->cdw12);
          +  -  +  -  +  
                      - ]
     269                 :            : 
     270                 :            :         /* Get CDW13 values */
     271   [ +  -  +  -  :   11447445 :         opts->nvme_cdw13.raw = from_le32(&cmd->cdw13);
          +  -  +  -  +  
                      - ]
     272                 :   11447445 : }
     273                 :            : 
     274                 :            : static bool
     275                 :   27731474 : nvmf_bdev_ctrlr_lba_in_range(uint64_t bdev_num_blocks, uint64_t io_start_lba,
     276                 :            :                              uint64_t io_num_blocks)
     277                 :            : {
     278   [ +  +  +  + ]:   27731474 :         if (io_start_lba + io_num_blocks > bdev_num_blocks ||
     279         [ +  + ]:   27700547 :             io_start_lba + io_num_blocks < io_start_lba) {
     280                 :      30935 :                 return false;
     281                 :            :         }
     282                 :            : 
     283                 :   27700539 :         return true;
     284                 :     148969 : }
     285                 :            : 
     286                 :            : static void
     287                 :     136078 : nvmf_ctrlr_process_io_cmd_resubmit(void *arg)
     288                 :            : {
     289                 :     136078 :         struct spdk_nvmf_request *req = arg;
     290                 :            :         int rc;
     291                 :            : 
     292                 :     136078 :         rc = nvmf_ctrlr_process_io_cmd(req);
     293         [ -  + ]:     136078 :         if (rc == SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE) {
     294                 :          0 :                 spdk_nvmf_request_complete(req);
     295                 :          0 :         }
     296                 :     136078 : }
     297                 :            : 
     298                 :            : static void
     299                 :          0 : nvmf_ctrlr_process_admin_cmd_resubmit(void *arg)
     300                 :            : {
     301                 :          0 :         struct spdk_nvmf_request *req = arg;
     302                 :            :         int rc;
     303                 :            : 
     304                 :          0 :         rc = nvmf_ctrlr_process_admin_cmd(req);
     305         [ #  # ]:          0 :         if (rc == SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE) {
     306                 :          0 :                 spdk_nvmf_request_complete(req);
     307                 :          0 :         }
     308                 :          0 : }
     309                 :            : 
     310                 :            : static void
     311                 :     202885 : nvmf_bdev_ctrl_queue_io(struct spdk_nvmf_request *req, struct spdk_bdev *bdev,
     312                 :            :                         struct spdk_io_channel *ch, spdk_bdev_io_wait_cb cb_fn, void *cb_arg)
     313                 :            : {
     314                 :            :         int rc;
     315                 :            : 
     316   [ #  #  #  #  :     202885 :         req->bdev_io_wait.bdev = bdev;
                   #  # ]
     317   [ #  #  #  #  :     202885 :         req->bdev_io_wait.cb_fn = cb_fn;
                   #  # ]
     318   [ #  #  #  #  :     202885 :         req->bdev_io_wait.cb_arg = cb_arg;
                   #  # ]
     319                 :            : 
     320         [ #  # ]:     202885 :         rc = spdk_bdev_queue_io_wait(bdev, ch, &req->bdev_io_wait);
     321         [ -  + ]:     202885 :         if (rc != 0) {
     322         [ #  # ]:          0 :                 assert(false);
     323                 :            :         }
     324   [ #  #  #  #  :     202885 :         req->qpair->group->stat.pending_bdev_io++;
          #  #  #  #  #  
                #  #  # ]
     325                 :     202885 : }
     326                 :            : 
     327                 :            : bool
     328                 :          0 : nvmf_bdev_zcopy_enabled(struct spdk_bdev *bdev)
     329                 :            : {
     330                 :          0 :         return spdk_bdev_io_type_supported(bdev, SPDK_BDEV_IO_TYPE_ZCOPY);
     331                 :            : }
     332                 :            : 
     333                 :            : int
     334                 :   15480533 : nvmf_bdev_ctrlr_read_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     335                 :            :                          struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
     336                 :            : {
     337                 :   15703949 :         struct spdk_bdev_ext_io_opts opts = {
     338                 :            :                 .size = SPDK_SIZEOF(&opts, accel_sequence),
     339   [ +  -  +  - ]:   15480533 :                 .memory_domain = req->memory_domain,
     340   [ +  -  +  - ]:   15480533 :                 .memory_domain_ctx = req->memory_domain_ctx,
     341   [ +  -  +  - ]:   15480533 :                 .accel_sequence = req->accel_sequence,
     342                 :            :         };
     343                 :   15480533 :         uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
     344                 :   15480533 :         uint32_t block_size = spdk_bdev_get_block_size(bdev);
     345   [ +  -  +  -  :   15480533 :         struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
                   +  - ]
     346   [ +  -  +  -  :   15480533 :         struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
                   +  - ]
     347                 :   15406061 :         uint64_t start_lba;
     348                 :   15406061 :         uint64_t num_blocks;
     349                 :            :         int rc;
     350                 :            : 
     351                 :   15480533 :         nvmf_bdev_ctrlr_get_rw_params(cmd, &start_lba, &num_blocks);
     352                 :            : 
     353         [ +  + ]:   15480533 :         if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, start_lba, num_blocks))) {
     354                 :       7673 :                 SPDK_ERRLOG("end of media\n");
     355   [ #  #  #  #  :       7673 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     356   [ #  #  #  #  :       7673 :                 rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
                   #  # ]
     357                 :       7673 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     358                 :            :         }
     359                 :            : 
     360   [ +  +  +  -  :   15472860 :         if (spdk_unlikely(num_blocks * block_size > req->length)) {
                   -  + ]
     361   [ #  #  #  # ]:          0 :                 SPDK_ERRLOG("Read NLB %" PRIu64 " * block size %" PRIu32 " > SGL length %" PRIu32 "\n",
     362                 :            :                             num_blocks, block_size, req->length);
     363   [ #  #  #  #  :          0 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     364   [ #  #  #  #  :          0 :                 rsp->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
                   #  # ]
     365                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     366                 :            :         }
     367                 :            : 
     368   [ +  +  #  # ]:   15472860 :         assert(!spdk_nvmf_request_using_zcopy(req));
     369                 :            : 
     370   [ +  -  +  -  :   15472861 :         rc = spdk_bdev_readv_blocks_ext(desc, ch, req->iov, req->iovcnt, start_lba, num_blocks,
                   +  - ]
     371                 :      74472 :                                         nvmf_bdev_ctrlr_complete_cmd, req, &opts);
     372         [ +  + ]:   15472860 :         if (spdk_unlikely(rc)) {
     373         [ +  - ]:      59212 :                 if (rc == -ENOMEM) {
     374                 :      59212 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
     375                 :      59212 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     376                 :            :                 }
     377   [ #  #  #  #  :          0 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     378   [ #  #  #  #  :          0 :                 rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     379                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     380                 :            :         }
     381                 :            : 
     382                 :   15413648 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     383                 :      74472 : }
     384                 :            : 
     385                 :            : int
     386                 :   11447441 : nvmf_bdev_ctrlr_write_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     387                 :            :                           struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
     388                 :            : {
     389                 :   11670857 :         struct spdk_bdev_ext_io_opts opts = {
     390                 :            :                 .size = SPDK_SIZEOF(&opts, nvme_cdw13),
     391   [ +  -  +  - ]:   11447441 :                 .memory_domain = req->memory_domain,
     392   [ +  -  +  - ]:   11447441 :                 .memory_domain_ctx = req->memory_domain_ctx,
     393   [ +  -  +  - ]:   11447441 :                 .accel_sequence = req->accel_sequence,
     394                 :            :         };
     395                 :   11447441 :         uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
     396                 :   11447441 :         uint32_t block_size = spdk_bdev_get_block_size(bdev);
     397   [ +  -  +  -  :   11447441 :         struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
                   +  - ]
     398   [ +  -  +  -  :   11447441 :         struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
                   +  - ]
     399                 :   11372969 :         uint64_t start_lba;
     400                 :   11372969 :         uint64_t num_blocks;
     401                 :            :         int rc;
     402                 :            : 
     403                 :   11447441 :         nvmf_bdev_ctrlr_get_rw_params(cmd, &start_lba, &num_blocks);
     404                 :   11447441 :         nvmf_bdev_ctrlr_get_rw_ext_params(cmd, &opts);
     405                 :            : 
     406         [ +  + ]:   11447441 :         if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, start_lba, num_blocks))) {
     407                 :       7844 :                 SPDK_ERRLOG("end of media\n");
     408   [ #  #  #  #  :       7844 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     409   [ #  #  #  #  :       7844 :                 rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
                   #  # ]
     410                 :       7844 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     411                 :            :         }
     412                 :            : 
     413   [ +  +  +  -  :   11439597 :         if (spdk_unlikely(num_blocks * block_size > req->length)) {
                   -  + ]
     414   [ #  #  #  # ]:          0 :                 SPDK_ERRLOG("Write NLB %" PRIu64 " * block size %" PRIu32 " > SGL length %" PRIu32 "\n",
     415                 :            :                             num_blocks, block_size, req->length);
     416   [ #  #  #  #  :          0 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     417   [ #  #  #  #  :          0 :                 rsp->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
                   #  # ]
     418                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     419                 :            :         }
     420                 :            : 
     421   [ +  +  #  # ]:   11439597 :         assert(!spdk_nvmf_request_using_zcopy(req));
     422                 :            : 
     423   [ +  -  +  -  :   11439598 :         rc = spdk_bdev_writev_blocks_ext(desc, ch, req->iov, req->iovcnt, start_lba, num_blocks,
                   +  - ]
     424                 :      74472 :                                          nvmf_bdev_ctrlr_complete_cmd, req, &opts);
     425         [ +  + ]:   11439597 :         if (spdk_unlikely(rc)) {
     426         [ +  - ]:      76866 :                 if (rc == -ENOMEM) {
     427                 :      76866 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
     428                 :      76866 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     429                 :            :                 }
     430   [ #  #  #  #  :          0 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     431   [ #  #  #  #  :          0 :                 rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     432                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     433                 :            :         }
     434                 :            : 
     435                 :   11362731 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     436                 :      74472 : }
     437                 :            : 
     438                 :            : int
     439                 :       7616 : nvmf_bdev_ctrlr_compare_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     440                 :            :                             struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
     441                 :            : {
     442                 :       7616 :         uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
     443                 :       7616 :         uint32_t block_size = spdk_bdev_get_block_size(bdev);
     444   [ #  #  #  #  :       7616 :         struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
                   #  # ]
     445   [ #  #  #  #  :       7616 :         struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
                   #  # ]
     446                 :       7612 :         uint64_t start_lba;
     447                 :       7612 :         uint64_t num_blocks;
     448                 :            :         int rc;
     449                 :            : 
     450                 :       7616 :         nvmf_bdev_ctrlr_get_rw_params(cmd, &start_lba, &num_blocks);
     451                 :            : 
     452         [ +  + ]:       7616 :         if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, start_lba, num_blocks))) {
     453                 :       7604 :                 SPDK_ERRLOG("end of media\n");
     454   [ #  #  #  #  :       7604 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     455   [ #  #  #  #  :       7604 :                 rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
                   #  # ]
     456                 :       7604 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     457                 :            :         }
     458                 :            : 
     459   [ +  +  #  #  :         12 :         if (spdk_unlikely(num_blocks * block_size > req->length)) {
                   #  # ]
     460   [ #  #  #  # ]:          4 :                 SPDK_ERRLOG("Compare NLB %" PRIu64 " * block size %" PRIu32 " > SGL length %" PRIu32 "\n",
     461                 :            :                             num_blocks, block_size, req->length);
     462   [ #  #  #  #  :          4 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     463   [ #  #  #  #  :          4 :                 rsp->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
                   #  # ]
     464                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     465                 :            :         }
     466                 :            : 
     467   [ #  #  #  #  :         10 :         rc = spdk_bdev_comparev_blocks(desc, ch, req->iov, req->iovcnt, start_lba, num_blocks,
                   #  # ]
     468                 :          2 :                                        nvmf_bdev_ctrlr_complete_cmd, req);
     469         [ +  + ]:          8 :         if (spdk_unlikely(rc)) {
     470         [ -  + ]:          4 :                 if (rc == -ENOMEM) {
     471                 :          0 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
     472                 :          0 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     473                 :            :                 }
     474   [ #  #  #  #  :          4 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     475   [ #  #  #  #  :          4 :                 rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     476                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     477                 :            :         }
     478                 :            : 
     479                 :          4 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     480                 :          4 : }
     481                 :            : 
     482                 :            : int
     483                 :       4162 : nvmf_bdev_ctrlr_compare_and_write_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     484                 :            :                                       struct spdk_io_channel *ch, struct spdk_nvmf_request *cmp_req, struct spdk_nvmf_request *write_req)
     485                 :            : {
     486                 :       4162 :         uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
     487                 :       4162 :         uint32_t block_size = spdk_bdev_get_block_size(bdev);
     488   [ #  #  #  #  :       4162 :         struct spdk_nvme_cmd *cmp_cmd = &cmp_req->cmd->nvme_cmd;
                   #  # ]
     489   [ #  #  #  #  :       4162 :         struct spdk_nvme_cmd *write_cmd = &write_req->cmd->nvme_cmd;
                   #  # ]
     490   [ #  #  #  #  :       4162 :         struct spdk_nvme_cpl *rsp = &write_req->rsp->nvme_cpl;
                   #  # ]
     491                 :       4158 :         uint64_t write_start_lba, cmp_start_lba;
     492                 :       4158 :         uint64_t write_num_blocks, cmp_num_blocks;
     493                 :            :         int rc;
     494                 :            : 
     495                 :       4162 :         nvmf_bdev_ctrlr_get_rw_params(cmp_cmd, &cmp_start_lba, &cmp_num_blocks);
     496                 :       4162 :         nvmf_bdev_ctrlr_get_rw_params(write_cmd, &write_start_lba, &write_num_blocks);
     497                 :            : 
     498   [ +  +  +  + ]:       4162 :         if (spdk_unlikely(write_start_lba != cmp_start_lba || write_num_blocks != cmp_num_blocks)) {
     499                 :          4 :                 SPDK_ERRLOG("Fused command start lba / num blocks mismatch\n");
     500   [ #  #  #  #  :          4 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     501   [ #  #  #  #  :          4 :                 rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD;
                   #  # ]
     502                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     503                 :            :         }
     504                 :            : 
     505         [ +  + ]:       4158 :         if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, write_start_lba,
     506                 :            :                           write_num_blocks))) {
     507                 :          4 :                 SPDK_ERRLOG("end of media\n");
     508   [ #  #  #  #  :          4 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     509   [ #  #  #  #  :          4 :                 rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
                   #  # ]
     510                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     511                 :            :         }
     512                 :            : 
     513   [ +  +  #  #  :       4154 :         if (spdk_unlikely(write_num_blocks * block_size > write_req->length)) {
                   #  # ]
     514   [ #  #  #  # ]:          4 :                 SPDK_ERRLOG("Write NLB %" PRIu64 " * block size %" PRIu32 " > SGL length %" PRIu32 "\n",
     515                 :            :                             write_num_blocks, block_size, write_req->length);
     516   [ #  #  #  #  :          4 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     517   [ #  #  #  #  :          4 :                 rsp->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
                   #  # ]
     518                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     519                 :            :         }
     520                 :            : 
     521   [ #  #  #  #  :       4151 :         rc = spdk_bdev_comparev_and_writev_blocks(desc, ch, cmp_req->iov, cmp_req->iovcnt, write_req->iov,
             #  #  #  # ]
     522   [ #  #  #  # ]:       4150 :                         write_req->iovcnt, write_start_lba, write_num_blocks, nvmf_bdev_ctrlr_complete_cmd, write_req);
     523         [ -  + ]:       4150 :         if (spdk_unlikely(rc)) {
     524         [ #  # ]:          0 :                 if (rc == -ENOMEM) {
     525                 :          0 :                         nvmf_bdev_ctrl_queue_io(cmp_req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, cmp_req);
     526                 :          0 :                         nvmf_bdev_ctrl_queue_io(write_req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, write_req);
     527                 :          0 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     528                 :            :                 }
     529   [ #  #  #  #  :          0 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     530   [ #  #  #  #  :          0 :                 rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     531                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     532                 :            :         }
     533                 :            : 
     534                 :       4150 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     535                 :          4 : }
     536                 :            : 
     537                 :            : int
     538                 :      12470 : nvmf_bdev_ctrlr_write_zeroes_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     539                 :            :                                  struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
     540                 :            : {
     541                 :      12470 :         uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
     542   [ #  #  #  #  :      12470 :         struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
                   #  # ]
     543   [ #  #  #  #  :      12470 :         struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
                   #  # ]
     544   [ #  #  #  #  :      12470 :         uint64_t max_write_zeroes_size = req->qpair->ctrlr->subsys->max_write_zeroes_size_kib;
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
     545                 :      12466 :         uint64_t start_lba;
     546                 :      12466 :         uint64_t num_blocks;
     547                 :            :         int rc;
     548                 :            : 
     549                 :      12470 :         nvmf_bdev_ctrlr_get_rw_params(cmd, &start_lba, &num_blocks);
     550   [ +  +  +  +  :      12470 :         if (spdk_unlikely(max_write_zeroes_size > 0 &&
             +  -  #  # ]
     551                 :            :                           num_blocks > (max_write_zeroes_size << 10) / spdk_bdev_get_block_size(bdev))) {
     552                 :          4 :                 SPDK_ERRLOG("invalid write zeroes size, should not exceed %" PRIu64 "Kib\n", max_write_zeroes_size);
     553   [ #  #  #  #  :          4 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     554   [ #  #  #  #  :          4 :                 rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD;
                   #  # ]
     555                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     556                 :            :         }
     557                 :            : 
     558         [ +  + ]:      12466 :         if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, start_lba, num_blocks))) {
     559                 :       7782 :                 SPDK_ERRLOG("end of media\n");
     560   [ #  #  #  #  :       7782 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     561   [ #  #  #  #  :       7782 :                 rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
                   #  # ]
     562                 :       7782 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     563                 :            :         }
     564                 :            : 
     565   [ -  +  #  #  :       4684 :         if (spdk_unlikely(cmd->cdw12_bits.write_zeroes.deac)) {
          #  #  #  #  #  
                      # ]
     566                 :          0 :                 SPDK_ERRLOG("Write Zeroes Deallocate is not supported\n");
     567   [ #  #  #  #  :          0 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     568   [ #  #  #  #  :          0 :                 rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD;
                   #  # ]
     569                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     570                 :            :         }
     571                 :            : 
     572                 :       4686 :         rc = spdk_bdev_write_zeroes_blocks(desc, ch, start_lba, num_blocks,
     573                 :          2 :                                            nvmf_bdev_ctrlr_complete_cmd, req);
     574         [ +  + ]:       4684 :         if (spdk_unlikely(rc)) {
     575         [ -  + ]:          4 :                 if (rc == -ENOMEM) {
     576                 :          0 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
     577                 :          0 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     578                 :            :                 }
     579   [ #  #  #  #  :          4 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     580   [ #  #  #  #  :          4 :                 rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     581                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     582                 :            :         }
     583                 :            : 
     584                 :       4680 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     585                 :          4 : }
     586                 :            : 
     587                 :            : int
     588                 :       8292 : nvmf_bdev_ctrlr_flush_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     589                 :            :                           struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
     590                 :            : {
     591   [ #  #  #  #  :       8292 :         struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
                   #  # ]
     592                 :            :         int rc;
     593                 :            : 
     594                 :            :         /* As for NVMeoF controller, SPDK always set volatile write
     595                 :            :          * cache bit to 1, return success for those block devices
     596                 :            :          * which can't support FLUSH command.
     597                 :            :          */
     598         [ +  + ]:       8292 :         if (!spdk_bdev_io_type_supported(bdev, SPDK_BDEV_IO_TYPE_FLUSH)) {
     599   [ #  #  #  #  :          4 :                 response->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     600   [ #  #  #  #  :          4 :                 response->status.sc = SPDK_NVME_SC_SUCCESS;
                   #  # ]
     601                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     602                 :            :         }
     603                 :            : 
     604                 :       8290 :         rc = spdk_bdev_flush_blocks(desc, ch, 0, spdk_bdev_get_num_blocks(bdev),
     605                 :          2 :                                     nvmf_bdev_ctrlr_complete_cmd, req);
     606         [ +  + ]:       8288 :         if (spdk_unlikely(rc)) {
     607         [ -  + ]:          4 :                 if (rc == -ENOMEM) {
     608                 :          0 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
     609                 :          0 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     610                 :            :                 }
     611   [ #  #  #  #  :          4 :                 response->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     612                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     613                 :            :         }
     614                 :       8284 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     615                 :          3 : }
     616                 :            : 
     617                 :            : struct nvmf_bdev_ctrlr_unmap {
     618                 :            :         struct spdk_nvmf_request        *req;
     619                 :            :         uint32_t                        count;
     620                 :            :         struct spdk_bdev_desc           *desc;
     621                 :            :         struct spdk_bdev                *bdev;
     622                 :            :         struct spdk_io_channel          *ch;
     623                 :            :         uint32_t                        range_index;
     624                 :            : };
     625                 :            : 
     626                 :            : static void
     627                 :      66844 : nvmf_bdev_ctrlr_unmap_cpl(struct spdk_bdev_io *bdev_io, bool success,
     628                 :            :                           void *cb_arg)
     629                 :            : {
     630                 :      66844 :         struct nvmf_bdev_ctrlr_unmap *unmap_ctx = cb_arg;
     631   [ #  #  #  # ]:      66844 :         struct spdk_nvmf_request        *req = unmap_ctx->req;
     632   [ #  #  #  #  :      66844 :         struct spdk_nvme_cpl            *response = &req->rsp->nvme_cpl;
                   #  # ]
     633                 :      66844 :         int                             sc, sct;
     634                 :      66844 :         uint32_t                        cdw0;
     635                 :            : 
     636         [ #  # ]:      66844 :         unmap_ctx->count--;
     637                 :            : 
     638   [ +  -  #  #  :      66844 :         if (response->status.sct == SPDK_NVME_SCT_GENERIC &&
          #  #  #  #  #  
                      # ]
     639   [ +  -  #  #  :      66844 :             response->status.sc == SPDK_NVME_SC_SUCCESS) {
                   #  # ]
     640                 :      66844 :                 spdk_bdev_io_get_nvme_status(bdev_io, &cdw0, &sct, &sc);
     641   [ #  #  #  # ]:      66844 :                 response->cdw0 = cdw0;
     642   [ #  #  #  #  :      66844 :                 response->status.sc = sc;
                   #  # ]
     643   [ #  #  #  #  :      66844 :                 response->status.sct = sct;
                   #  # ]
     644                 :          0 :         }
     645                 :            : 
     646   [ +  -  #  #  :      66844 :         if (unmap_ctx->count == 0) {
                   #  # ]
     647                 :      66844 :                 spdk_nvmf_request_complete(req);
     648                 :      66844 :                 free(unmap_ctx);
     649                 :          0 :         }
     650                 :      66844 :         spdk_bdev_free_io(bdev_io);
     651                 :      66844 : }
     652                 :            : 
     653                 :            : static int nvmf_bdev_ctrlr_unmap(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     654                 :            :                                  struct spdk_io_channel *ch, struct spdk_nvmf_request *req,
     655                 :            :                                  struct nvmf_bdev_ctrlr_unmap *unmap_ctx);
     656                 :            : static void
     657                 :      66799 : nvmf_bdev_ctrlr_unmap_resubmit(void *arg)
     658                 :            : {
     659                 :      66799 :         struct nvmf_bdev_ctrlr_unmap *unmap_ctx = arg;
     660   [ #  #  #  # ]:      66799 :         struct spdk_nvmf_request *req = unmap_ctx->req;
     661   [ #  #  #  # ]:      66799 :         struct spdk_bdev_desc *desc = unmap_ctx->desc;
     662   [ #  #  #  # ]:      66799 :         struct spdk_bdev *bdev = unmap_ctx->bdev;
     663   [ #  #  #  # ]:      66799 :         struct spdk_io_channel *ch = unmap_ctx->ch;
     664                 :            : 
     665                 :      66799 :         nvmf_bdev_ctrlr_unmap(bdev, desc, ch, req, unmap_ctx);
     666                 :      66799 : }
     667                 :            : 
     668                 :            : static int
     669                 :     137521 : nvmf_bdev_ctrlr_unmap(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     670                 :            :                       struct spdk_io_channel *ch, struct spdk_nvmf_request *req,
     671                 :            :                       struct nvmf_bdev_ctrlr_unmap *unmap_ctx)
     672                 :            : {
     673                 :            :         uint16_t nr, i;
     674   [ #  #  #  #  :     137521 :         struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
                   #  # ]
     675   [ #  #  #  #  :     137521 :         struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
                   #  # ]
     676   [ #  #  #  #  :     137521 :         uint64_t max_discard_size = req->qpair->ctrlr->subsys->max_discard_size_kib;
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
     677                 :     137521 :         uint32_t block_size = spdk_bdev_get_block_size(bdev);
     678                 :     137521 :         struct spdk_iov_xfer ix;
     679                 :            :         uint64_t lba;
     680                 :            :         uint32_t lba_count;
     681                 :            :         int rc;
     682                 :            : 
     683   [ #  #  #  #  :     137521 :         nr = cmd->cdw10_bits.dsm.nr + 1;
          #  #  #  #  #  
                      # ]
     684   [ +  +  #  #  :     137521 :         if (nr * sizeof(struct spdk_nvme_dsm_range) > req->length) {
                   #  # ]
     685                 :       3878 :                 SPDK_ERRLOG("Dataset Management number of ranges > SGL length\n");
     686   [ #  #  #  #  :       3878 :                 response->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
                   #  # ]
     687                 :       3878 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     688                 :            :         }
     689                 :            : 
     690         [ +  + ]:     133643 :         if (unmap_ctx == NULL) {
     691                 :      66844 :                 unmap_ctx = calloc(1, sizeof(*unmap_ctx));
     692         [ -  + ]:      66844 :                 if (!unmap_ctx) {
     693   [ #  #  #  #  :          0 :                         response->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     694                 :          0 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     695                 :            :                 }
     696                 :            : 
     697   [ #  #  #  # ]:      66844 :                 unmap_ctx->req = req;
     698   [ #  #  #  # ]:      66844 :                 unmap_ctx->desc = desc;
     699   [ #  #  #  # ]:      66844 :                 unmap_ctx->ch = ch;
     700   [ #  #  #  # ]:      66844 :                 unmap_ctx->bdev = bdev;
     701                 :            : 
     702   [ #  #  #  #  :      66844 :                 response->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     703   [ #  #  #  #  :      66844 :                 response->status.sc = SPDK_NVME_SC_SUCCESS;
                   #  # ]
     704                 :          0 :         } else {
     705         [ #  # ]:      66799 :                 unmap_ctx->count--;  /* dequeued */
     706                 :            :         }
     707                 :            : 
     708   [ #  #  #  #  :     133643 :         spdk_iov_xfer_init(&ix, req->iov, req->iovcnt);
                   #  # ]
     709                 :            : 
     710   [ +  +  #  #  :     200487 :         for (i = unmap_ctx->range_index; i < nr; i++) {
                   #  # ]
     711                 :     133643 :                 struct spdk_nvme_dsm_range dsm_range = { 0 };
     712                 :            : 
     713                 :     133643 :                 spdk_iov_xfer_to_buf(&ix, &dsm_range, sizeof(dsm_range));
     714                 :            : 
     715         [ #  # ]:     133643 :                 lba = dsm_range.starting_lba;
     716         [ #  # ]:     133643 :                 lba_count = dsm_range.length;
     717   [ -  +  -  -  :     133643 :                 if (max_discard_size > 0 && lba_count > (max_discard_size << 10) / block_size) {
             -  -  #  # ]
     718         [ #  # ]:          0 :                         SPDK_ERRLOG("invalid unmap size %" PRIu32 " blocks, should not exceed %" PRIu64 " blocks\n",
     719                 :            :                                     lba_count, max_discard_size << 1);
     720   [ #  #  #  #  :          0 :                         response->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     721   [ #  #  #  #  :          0 :                         response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
                   #  # ]
     722                 :          0 :                         break;
     723                 :            :                 }
     724                 :            : 
     725         [ #  # ]:     133643 :                 unmap_ctx->count++;
     726                 :            : 
     727                 :     133643 :                 rc = spdk_bdev_unmap_blocks(desc, ch, lba, lba_count,
     728                 :          0 :                                             nvmf_bdev_ctrlr_unmap_cpl, unmap_ctx);
     729         [ +  + ]:     133643 :                 if (rc) {
     730         [ +  - ]:      66799 :                         if (rc == -ENOMEM) {
     731                 :      66799 :                                 nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_bdev_ctrlr_unmap_resubmit, unmap_ctx);
     732                 :            :                                 /* Unmap was not yet submitted to bdev */
     733                 :            :                                 /* unmap_ctx->count will be decremented when the request is dequeued */
     734                 :      66799 :                                 return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     735                 :            :                         }
     736   [ #  #  #  #  :          0 :                         response->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     737         [ #  # ]:          0 :                         unmap_ctx->count--;
     738                 :            :                         /* We can't return here - we may have to wait for any other
     739                 :            :                                 * unmaps already sent to complete */
     740                 :          0 :                         break;
     741                 :            :                 }
     742         [ #  # ]:      66844 :                 unmap_ctx->range_index++;
     743                 :          0 :         }
     744                 :            : 
     745   [ -  +  #  #  :      66844 :         if (unmap_ctx->count == 0) {
                   #  # ]
     746                 :          0 :                 free(unmap_ctx);
     747                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     748                 :            :         }
     749                 :            : 
     750                 :      66844 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     751                 :          0 : }
     752                 :            : 
     753                 :            : int
     754                 :      74564 : nvmf_bdev_ctrlr_dsm_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     755                 :            :                         struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
     756                 :            : {
     757   [ #  #  #  #  :      74564 :         struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
                   #  # ]
     758   [ #  #  #  #  :      74564 :         struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
                   #  # ]
     759                 :            : 
     760   [ +  +  #  #  :      74564 :         if (cmd->cdw11_bits.dsm.ad) {
          #  #  #  #  #  
                      # ]
     761                 :      70722 :                 return nvmf_bdev_ctrlr_unmap(bdev, desc, ch, req, NULL);
     762                 :            :         }
     763                 :            : 
     764   [ #  #  #  #  :       3842 :         response->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     765   [ #  #  #  #  :       3842 :         response->status.sc = SPDK_NVME_SC_SUCCESS;
                   #  # ]
     766                 :       3842 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     767                 :          0 : }
     768                 :            : 
     769                 :            : int
     770                 :       7690 : nvmf_bdev_ctrlr_copy_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     771                 :            :                          struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
     772                 :            : {
     773   [ #  #  #  #  :       7690 :         struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
                   #  # ]
     774   [ #  #  #  #  :       7690 :         struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
                   #  # ]
     775   [ #  #  #  #  :       7690 :         uint64_t sdlba = ((uint64_t)cmd->cdw11 << 32) + cmd->cdw10;
          #  #  #  #  #  
             #  #  #  #  
                      # ]
     776                 :       7690 :         struct spdk_nvme_scc_source_range range = { 0 };
     777                 :       7685 :         struct spdk_iov_xfer ix;
     778                 :            :         int rc;
     779                 :            : 
     780   [ +  +  -  +  :       7690 :         SPDK_DEBUGLOG(nvmf, "Copy command: SDLBA %lu, NR %u, desc format %u, PRINFOR %u, "
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
                      # ]
     781                 :            :                       "DTYPE %u, STCW %u, PRINFOW %u, FUA %u, LR %u\n",
     782                 :            :                       sdlba,
     783                 :            :                       cmd->cdw12_bits.copy.nr,
     784                 :            :                       cmd->cdw12_bits.copy.df,
     785                 :            :                       cmd->cdw12_bits.copy.prinfor,
     786                 :            :                       cmd->cdw12_bits.copy.dtype,
     787                 :            :                       cmd->cdw12_bits.copy.stcw,
     788                 :            :                       cmd->cdw12_bits.copy.prinfow,
     789                 :            :                       cmd->cdw12_bits.copy.fua,
     790                 :            :                       cmd->cdw12_bits.copy.lr);
     791                 :            : 
     792   [ +  +  #  #  :       7690 :         if (spdk_unlikely(req->length != (cmd->cdw12_bits.copy.nr + 1) *
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
     793                 :            :                           sizeof(struct spdk_nvme_scc_source_range))) {
     794   [ #  #  #  #  :       7660 :                 response->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     795   [ #  #  #  #  :       7660 :                 response->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
                   #  # ]
     796                 :       7660 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     797                 :            :         }
     798                 :            : 
     799                 :            :         /*
     800                 :            :          * We support only one source range, and rely on this with the xfer
     801                 :            :          * below.
     802                 :            :          */
     803   [ +  +  #  #  :         30 :         if (cmd->cdw12_bits.copy.nr > 0) {
          #  #  #  #  #  
                      # ]
     804   [ #  #  #  #  :          4 :                 response->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC;
                   #  # ]
     805   [ #  #  #  #  :          4 :                 response->status.sc = SPDK_NVME_SC_CMD_SIZE_LIMIT_SIZE_EXCEEDED;
                   #  # ]
     806                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     807                 :            :         }
     808                 :            : 
     809   [ +  +  #  #  :         26 :         if (cmd->cdw12_bits.copy.df != 0) {
          #  #  #  #  #  
                      # ]
     810   [ #  #  #  #  :          4 :                 response->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     811   [ #  #  #  #  :          4 :                 response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
                   #  # ]
     812                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     813                 :            :         }
     814                 :            : 
     815   [ #  #  #  #  :         22 :         spdk_iov_xfer_init(&ix, req->iov, req->iovcnt);
                   #  # ]
     816                 :         22 :         spdk_iov_xfer_to_buf(&ix, &range, sizeof(range));
     817                 :            : 
     818   [ #  #  #  #  :         25 :         rc = spdk_bdev_copy_blocks(desc, ch, sdlba, range.slba, range.nlb + 1,
                   #  # ]
     819                 :          3 :                                    nvmf_bdev_ctrlr_complete_cmd, req);
     820         [ +  + ]:         22 :         if (spdk_unlikely(rc)) {
     821         [ -  + ]:          4 :                 if (rc == -ENOMEM) {
     822                 :          0 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
     823                 :          0 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     824                 :            :                 }
     825                 :            : 
     826   [ #  #  #  #  :          4 :                 response->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     827   [ #  #  #  #  :          4 :                 response->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     828                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     829                 :            :         }
     830                 :            : 
     831                 :         18 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     832                 :          5 : }
     833                 :            : 
     834                 :            : int
     835                 :    1884776 : nvmf_bdev_ctrlr_nvme_passthru_io(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     836                 :            :                                  struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
     837                 :            : {
     838                 :            :         int rc;
     839                 :            : 
     840   [ #  #  #  #  :    1884780 :         rc = spdk_bdev_nvme_iov_passthru_md(desc, ch, &req->cmd->nvme_cmd, req->iov, req->iovcnt,
          #  #  #  #  #  
                #  #  # ]
     841   [ #  #  #  # ]:    1884776 :                                             req->length, NULL, 0, nvmf_bdev_ctrlr_complete_cmd, req);
     842                 :            : 
     843         [ +  + ]:    1884776 :         if (spdk_unlikely(rc)) {
     844         [ +  + ]:    1884768 :                 if (rc == -ENOMEM) {
     845                 :          4 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
     846                 :          4 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     847                 :            :                 }
     848   [ #  #  #  #  :    1884764 :                 req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC;
          #  #  #  #  #  
                #  #  # ]
     849   [ #  #  #  #  :    1884764 :                 req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_INVALID_OPCODE;
          #  #  #  #  #  
                #  #  # ]
     850   [ #  #  #  #  :    1884764 :                 req->rsp->nvme_cpl.status.dnr = 1;
          #  #  #  #  #  
                #  #  # ]
     851                 :    1884764 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     852                 :            :         }
     853                 :            : 
     854                 :          8 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     855                 :          4 : }
     856                 :            : 
     857                 :            : int
     858                 :        128 : spdk_nvmf_bdev_ctrlr_nvme_passthru_admin(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     859                 :            :                 struct spdk_io_channel *ch, struct spdk_nvmf_request *req,
     860                 :            :                 spdk_nvmf_nvme_passthru_cmd_cb cb_fn)
     861                 :            : {
     862                 :            :         int rc;
     863                 :            : 
     864   [ -  +  #  #  :        128 :         if (spdk_unlikely(req->iovcnt > 1)) {
                   #  # ]
     865   [ #  #  #  #  :          0 :                 req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC;
          #  #  #  #  #  
                #  #  # ]
     866   [ #  #  #  #  :          0 :                 req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
          #  #  #  #  #  
                #  #  # ]
     867   [ #  #  #  #  :          0 :                 req->rsp->nvme_cpl.status.dnr = 1;
          #  #  #  #  #  
                #  #  # ]
     868                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     869                 :            :         }
     870                 :            : 
     871   [ #  #  #  # ]:        128 :         req->cmd_cb_fn = cb_fn;
     872                 :            : 
     873   [ #  #  #  #  :        132 :         rc = spdk_bdev_nvme_admin_passthru(desc, ch, &req->cmd->nvme_cmd, req->iov[0].iov_base, req->length,
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
                      # ]
     874                 :          4 :                                            nvmf_bdev_ctrlr_complete_admin_cmd, req);
     875         [ +  + ]:        128 :         if (spdk_unlikely(rc)) {
     876         [ +  + ]:          8 :                 if (rc == -ENOMEM) {
     877                 :          4 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_admin_cmd_resubmit, req);
     878                 :          4 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     879                 :            :                 }
     880   [ #  #  #  #  :          4 :                 req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC;
          #  #  #  #  #  
                #  #  # ]
     881         [ +  - ]:          4 :                 if (rc == -ENOTSUP) {
     882   [ #  #  #  #  :          4 :                         req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_INVALID_OPCODE;
          #  #  #  #  #  
                #  #  # ]
     883                 :          1 :                 } else {
     884   [ #  #  #  #  :          0 :                         req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
          #  #  #  #  #  
                #  #  # ]
     885                 :            :                 }
     886                 :            : 
     887   [ #  #  #  #  :          4 :                 req->rsp->nvme_cpl.status.dnr = 1;
          #  #  #  #  #  
                #  #  # ]
     888                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     889                 :            :         }
     890                 :            : 
     891                 :        120 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     892                 :          4 : }
     893                 :            : 
     894                 :            : static void
     895                 :      86031 : nvmf_bdev_ctrlr_complete_abort_cmd(struct spdk_bdev_io *bdev_io, bool success, void *cb_arg)
     896                 :            : {
     897                 :      86031 :         struct spdk_nvmf_request *req = cb_arg;
     898                 :            : 
     899   [ +  +  #  # ]:      86031 :         if (success) {
     900   [ #  #  #  #  :      82953 :                 req->rsp->nvme_cpl.cdw0 &= ~1U;
          #  #  #  #  #  
                      # ]
     901                 :          0 :         }
     902                 :            : 
     903                 :      86031 :         spdk_nvmf_request_complete(req);
     904                 :      86031 :         spdk_bdev_free_io(bdev_io);
     905                 :      86031 : }
     906                 :            : 
     907                 :            : int
     908                 :      86031 : spdk_nvmf_bdev_ctrlr_abort_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     909                 :            :                                struct spdk_io_channel *ch, struct spdk_nvmf_request *req,
     910                 :            :                                struct spdk_nvmf_request *req_to_abort)
     911                 :            : {
     912                 :            :         int rc;
     913                 :            : 
     914   [ -  +  #  #  :      86031 :         assert((req->rsp->nvme_cpl.cdw0 & 1U) != 0);
          #  #  #  #  #  
             #  #  #  #  
                      # ]
     915                 :            : 
     916                 :      86031 :         rc = spdk_bdev_abort(desc, ch, req_to_abort, nvmf_bdev_ctrlr_complete_abort_cmd, req);
     917         [ +  - ]:      86031 :         if (spdk_likely(rc == 0)) {
     918                 :      86031 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     919         [ #  # ]:          0 :         } else if (rc == -ENOMEM) {
     920                 :          0 :                 nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_admin_cmd_resubmit, req);
     921                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     922                 :            :         } else {
     923                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     924                 :            :         }
     925                 :          0 : }
     926                 :            : 
     927                 :            : bool
     928                 :     468233 : nvmf_bdev_ctrlr_get_dif_ctx(struct spdk_bdev *bdev, struct spdk_nvme_cmd *cmd,
     929                 :            :                             struct spdk_dif_ctx *dif_ctx)
     930                 :            : {
     931                 :     468233 :         uint32_t init_ref_tag, dif_check_flags = 0;
     932                 :            :         int rc;
     933                 :     468231 :         struct spdk_dif_ctx_init_ext_opts dif_opts;
     934                 :            : 
     935         [ +  + ]:     468233 :         if (spdk_bdev_get_md_size(bdev) == 0) {
     936                 :          4 :                 return false;
     937                 :            :         }
     938                 :            : 
     939                 :            :         /* Initial Reference Tag is the lower 32 bits of the start LBA. */
     940   [ #  #  #  # ]:     468229 :         init_ref_tag = (uint32_t)from_le64(&cmd->cdw10);
     941                 :            : 
     942         [ +  + ]:     468229 :         if (spdk_bdev_is_dif_check_enabled(bdev, SPDK_DIF_CHECK_TYPE_REFTAG)) {
     943         [ #  # ]:     440254 :                 dif_check_flags |= SPDK_DIF_FLAGS_REFTAG_CHECK;
     944                 :          0 :         }
     945                 :            : 
     946         [ +  + ]:     468229 :         if (spdk_bdev_is_dif_check_enabled(bdev, SPDK_DIF_CHECK_TYPE_GUARD)) {
     947         [ #  # ]:     468225 :                 dif_check_flags |= SPDK_DIF_FLAGS_GUARD_CHECK;
     948                 :          0 :         }
     949                 :            : 
     950                 :     468229 :         dif_opts.size = SPDK_SIZEOF(&dif_opts, dif_pi_format);
     951         [ #  # ]:     468229 :         dif_opts.dif_pi_format = SPDK_DIF_PI_FORMAT_16;
     952                 :     936458 :         rc = spdk_dif_ctx_init(dif_ctx,
     953                 :          1 :                                spdk_bdev_get_block_size(bdev),
     954                 :          1 :                                spdk_bdev_get_md_size(bdev),
     955                 :     468229 :                                spdk_bdev_is_md_interleaved(bdev),
     956                 :     468229 :                                spdk_bdev_is_dif_head_of_md(bdev),
     957                 :          1 :                                spdk_bdev_get_dif_type(bdev),
     958                 :          1 :                                dif_check_flags,
     959                 :          1 :                                init_ref_tag, 0, 0, 0, 0, &dif_opts);
     960                 :            : 
     961                 :     468229 :         return (rc == 0) ? true : false;
     962                 :          2 : }
     963                 :            : 
     964                 :            : static void
     965                 :     779200 : nvmf_bdev_ctrlr_zcopy_start_complete(struct spdk_bdev_io *bdev_io, bool success,
     966                 :            :                                      void *cb_arg)
     967                 :            : {
     968                 :     779200 :         struct spdk_nvmf_request        *req = cb_arg;
     969                 :     779200 :         struct iovec *iov;
     970                 :     779200 :         int iovcnt = 0;
     971                 :            : 
     972   [ +  +  #  # ]:     779200 :         if (spdk_unlikely(!success)) {
     973                 :      23599 :                 int                     sc = 0, sct = 0;
     974                 :      23599 :                 uint32_t                cdw0 = 0;
     975   [ #  #  #  #  :      23599 :                 struct spdk_nvme_cpl    *response = &req->rsp->nvme_cpl;
                   #  # ]
     976                 :      23599 :                 spdk_bdev_io_get_nvme_status(bdev_io, &cdw0, &sct, &sc);
     977                 :            : 
     978   [ #  #  #  # ]:      23599 :                 response->cdw0 = cdw0;
     979   [ #  #  #  #  :      23599 :                 response->status.sc = sc;
                   #  # ]
     980   [ #  #  #  #  :      23599 :                 response->status.sct = sct;
                   #  # ]
     981                 :            : 
     982                 :      23599 :                 spdk_bdev_free_io(bdev_io);
     983                 :      23599 :                 spdk_nvmf_request_complete(req);
     984                 :      23599 :                 return;
     985                 :            :         }
     986                 :            : 
     987                 :     755601 :         spdk_bdev_io_get_iovec(bdev_io, &iov, &iovcnt);
     988                 :            : 
     989   [ -  +  #  # ]:     755601 :         assert(iovcnt <= NVMF_REQ_MAX_BUFFERS);
     990   [ -  +  #  # ]:     755601 :         assert(iovcnt > 0);
     991                 :            : 
     992   [ #  #  #  # ]:     755601 :         req->iovcnt = iovcnt;
     993                 :            : 
     994   [ -  +  #  #  :     755601 :         assert(req->iov == iov);
                   #  # ]
     995                 :            : 
     996   [ #  #  #  # ]:     755601 :         req->zcopy_bdev_io = bdev_io; /* Preserve the bdev_io for the end zcopy */
     997                 :            : 
     998                 :     755601 :         spdk_nvmf_request_complete(req);
     999                 :            :         /* Don't free the bdev_io here as it is needed for the END ZCOPY */
    1000                 :          0 : }
    1001                 :            : 
    1002                 :            : int
    1003                 :     779212 : nvmf_bdev_ctrlr_zcopy_start(struct spdk_bdev *bdev,
    1004                 :            :                             struct spdk_bdev_desc *desc,
    1005                 :            :                             struct spdk_io_channel *ch,
    1006                 :            :                             struct spdk_nvmf_request *req)
    1007                 :            : {
    1008   [ #  #  #  #  :     779212 :         struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
                   #  # ]
    1009                 :     779212 :         uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
    1010                 :     779212 :         uint32_t block_size = spdk_bdev_get_block_size(bdev);
    1011                 :     779209 :         uint64_t start_lba;
    1012                 :     779209 :         uint64_t num_blocks;
    1013                 :            :         int rc;
    1014                 :            : 
    1015   [ #  #  #  #  :     779212 :         nvmf_bdev_ctrlr_get_rw_params(&req->cmd->nvme_cmd, &start_lba, &num_blocks);
                   #  # ]
    1016                 :            : 
    1017         [ +  + ]:     779212 :         if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, start_lba, num_blocks))) {
    1018                 :          4 :                 SPDK_ERRLOG("end of media\n");
    1019   [ #  #  #  #  :          4 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
    1020   [ #  #  #  #  :          4 :                 rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
                   #  # ]
    1021                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
    1022                 :            :         }
    1023                 :            : 
    1024   [ +  +  #  #  :     779208 :         if (spdk_unlikely(num_blocks * block_size > req->length)) {
                   #  # ]
    1025   [ #  #  #  # ]:          4 :                 SPDK_ERRLOG("Read NLB %" PRIu64 " * block size %" PRIu32 " > SGL length %" PRIu32 "\n",
    1026                 :            :                             num_blocks, block_size, req->length);
    1027   [ #  #  #  #  :          4 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
    1028   [ #  #  #  #  :          4 :                 rsp->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
                   #  # ]
    1029                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
    1030                 :            :         }
    1031                 :            : 
    1032   [ #  #  #  #  :     779204 :         bool populate = (req->cmd->nvme_cmd.opc == SPDK_NVME_OPC_READ) ? true : false;
             #  #  #  # ]
    1033                 :            : 
    1034   [ #  #  #  #  :     779205 :         rc = spdk_bdev_zcopy_start(desc, ch, req->iov, req->iovcnt, start_lba,
                   #  # ]
    1035         [ #  # ]:          1 :                                    num_blocks, populate, nvmf_bdev_ctrlr_zcopy_start_complete, req);
    1036         [ -  + ]:     779204 :         if (spdk_unlikely(rc != 0)) {
    1037         [ #  # ]:          0 :                 if (rc == -ENOMEM) {
    1038                 :          0 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
    1039                 :          0 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
    1040                 :            :                 }
    1041   [ #  #  #  #  :          0 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
    1042   [ #  #  #  #  :          0 :                 rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
    1043                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
    1044                 :            :         }
    1045                 :            : 
    1046                 :     779204 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
    1047                 :          3 : }
    1048                 :            : 
    1049                 :            : static void
    1050                 :     755601 : nvmf_bdev_ctrlr_zcopy_end_complete(struct spdk_bdev_io *bdev_io, bool success,
    1051                 :            :                                    void *cb_arg)
    1052                 :            : {
    1053                 :     755601 :         struct spdk_nvmf_request        *req = cb_arg;
    1054                 :            : 
    1055   [ +  +  #  # ]:     755601 :         if (spdk_unlikely(!success)) {
    1056                 :      23082 :                 int                     sc = 0, sct = 0;
    1057                 :      23082 :                 uint32_t                cdw0 = 0;
    1058   [ #  #  #  #  :      23082 :                 struct spdk_nvme_cpl    *response = &req->rsp->nvme_cpl;
                   #  # ]
    1059                 :      23082 :                 spdk_bdev_io_get_nvme_status(bdev_io, &cdw0, &sct, &sc);
    1060                 :            : 
    1061   [ #  #  #  # ]:      23082 :                 response->cdw0 = cdw0;
    1062   [ #  #  #  #  :      23082 :                 response->status.sc = sc;
                   #  # ]
    1063   [ #  #  #  #  :      23082 :                 response->status.sct = sct;
                   #  # ]
    1064                 :          0 :         }
    1065                 :            : 
    1066                 :     755601 :         spdk_bdev_free_io(bdev_io);
    1067   [ #  #  #  # ]:     755601 :         req->zcopy_bdev_io = NULL;
    1068                 :     755601 :         spdk_nvmf_request_complete(req);
    1069                 :     755601 : }
    1070                 :            : 
    1071                 :            : void
    1072                 :     755601 : nvmf_bdev_ctrlr_zcopy_end(struct spdk_nvmf_request *req, bool commit)
    1073                 :            : {
    1074                 :            :         int rc __attribute__((unused));
    1075                 :            : 
    1076   [ #  #  #  #  :     755601 :         rc = spdk_bdev_zcopy_end(req->zcopy_bdev_io, commit, nvmf_bdev_ctrlr_zcopy_end_complete, req);
                   #  # ]
    1077                 :            : 
    1078                 :            :         /* The only way spdk_bdev_zcopy_end() can fail is if we pass a bdev_io type that isn't ZCOPY */
    1079   [ -  +  #  # ]:     755601 :         assert(rc == 0);
    1080                 :     755601 : }

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