LCOV - code coverage report
Current view: top level - spdk/lib/nvmf - ctrlr_bdev.c (source / functions) Hit Total Coverage
Test: Combined Lines: 496 630 78.7 %
Date: 2024-11-20 15:19:53 Functions: 31 35 88.6 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 323 1834 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                 :       5026 : 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         [ +  + ]:       7736 :         for (ns = spdk_nvmf_subsystem_get_first_ns(subsystem); ns != NULL;
      32                 :       2710 :              ns = spdk_nvmf_subsystem_get_next_ns(subsystem, ns)) {
      33   [ +  +  +  -  :       3083 :                 if (ns->bdev == NULL) {
                   +  - ]
      34                 :          0 :                         continue;
      35                 :            :                 }
      36                 :            : 
      37   [ +  +  +  -  :       3083 :                 if (!spdk_bdev_io_type_supported(ns->bdev, io_type)) {
                   +  - ]
      38   [ -  +  -  +  :        373 :                         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                 :        373 :                         return false;
      43                 :            :                 }
      44                 :        888 :         }
      45                 :            : 
      46   [ +  +  +  +  :       4653 :         SPDK_DEBUGLOG(nvmf, "All devices in Subsystem %s support io_type %d\n",
                   +  - ]
      47                 :            :                       spdk_nvmf_subsystem_get_nqn(subsystem), (int)io_type);
      48                 :       4653 :         return true;
      49                 :        888 : }
      50                 :            : 
      51                 :            : bool
      52                 :       2513 : nvmf_ctrlr_dsm_supported(struct spdk_nvmf_ctrlr *ctrlr)
      53                 :            : {
      54   [ +  -  +  - ]:       2513 :         return nvmf_subsystem_bdev_io_type_supported(ctrlr->subsys, SPDK_BDEV_IO_TYPE_UNMAP);
      55                 :            : }
      56                 :            : 
      57                 :            : bool
      58                 :       2513 : nvmf_ctrlr_write_zeroes_supported(struct spdk_nvmf_ctrlr *ctrlr)
      59                 :            : {
      60   [ +  -  +  - ]:       2513 :         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                 :   24586156 : nvmf_bdev_ctrlr_complete_cmd(struct spdk_bdev_io *bdev_io, bool success,
      71                 :            :                              void *cb_arg)
      72                 :            : {
      73                 :   24586156 :         struct spdk_nvmf_request        *req = cb_arg;
      74   [ +  -  +  -  :   24586156 :         struct spdk_nvme_cpl            *response = &req->rsp->nvme_cpl;
                   +  - ]
      75                 :   24586156 :         int                             sc = 0, sct = 0;
      76                 :   24586156 :         uint32_t                        cdw0 = 0;
      77                 :            : 
      78   [ +  +  +  -  :   24586156 :         if (spdk_unlikely(req->first_fused)) {
             +  -  -  + ]
      79   [ #  #  #  # ]:       3117 :                 struct spdk_nvmf_request        *first_req = req->first_fused_req;
      80   [ #  #  #  #  :       3117 :                 struct spdk_nvme_cpl            *first_response = &first_req->rsp->nvme_cpl;
                   #  # ]
      81                 :       3117 :                 int                             first_sc = 0, first_sct = 0;
      82                 :            : 
      83                 :            :                 /* get status for both operations */
      84                 :       3117 :                 spdk_bdev_io_get_nvme_fused_status(bdev_io, &cdw0, &first_sct, &first_sc, &sct, &sc);
      85   [ #  #  #  # ]:       3117 :                 first_response->cdw0 = cdw0;
      86   [ #  #  #  #  :       3117 :                 first_response->status.sc = first_sc;
                   #  # ]
      87   [ #  #  #  #  :       3117 :                 first_response->status.sct = first_sct;
                   #  # ]
      88                 :            : 
      89                 :            :                 /* first request should be completed */
      90                 :       3117 :                 spdk_nvmf_request_complete(first_req);
      91   [ #  #  #  # ]:       3117 :                 req->first_fused_req = NULL;
      92   [ #  #  #  #  :       3117 :                 req->first_fused = false;
                   #  # ]
      93                 :          0 :         } else {
      94                 :   24583039 :                 spdk_bdev_io_get_nvme_status(bdev_io, &cdw0, &sct, &sc);
      95                 :            :         }
      96                 :            : 
      97   [ +  -  +  - ]:   24586156 :         response->cdw0 = cdw0;
      98   [ +  -  +  -  :   24586156 :         response->status.sc = sc;
                   +  - ]
      99   [ +  -  +  -  :   24586156 :         response->status.sct = sct;
                   +  - ]
     100                 :            : 
     101                 :   24586156 :         spdk_nvmf_request_complete(req);
     102                 :   24586156 :         spdk_bdev_free_io(bdev_io);
     103                 :   24586156 : }
     104                 :            : 
     105                 :            : static void
     106                 :        102 : nvmf_bdev_ctrlr_complete_admin_cmd(struct spdk_bdev_io *bdev_io, bool success,
     107                 :            :                                    void *cb_arg)
     108                 :            : {
     109                 :        102 :         struct spdk_nvmf_request *req = cb_arg;
     110                 :            : 
     111   [ +  +  #  #  :        102 :         if (req->cmd_cb_fn) {
                   #  # ]
     112   [ #  #  #  #  :         94 :                 req->cmd_cb_fn(req);
             #  #  #  # ]
     113                 :          0 :         }
     114                 :            : 
     115         [ #  # ]:        102 :         nvmf_bdev_ctrlr_complete_cmd(bdev_io, success, req);
     116                 :        102 : }
     117                 :            : 
     118                 :            : void
     119                 :       2198 : nvmf_bdev_ctrlr_identify_ns(struct spdk_nvmf_ns *ns, struct spdk_nvme_ns_data *nsdata,
     120                 :            :                             bool dif_insert_or_strip)
     121                 :            : {
     122   [ +  -  +  - ]:       2198 :         struct spdk_bdev *bdev = ns->bdev;
     123   [ +  -  +  - ]:       2198 :         struct spdk_bdev_desc *desc = ns->desc;
     124                 :            :         uint64_t num_blocks;
     125                 :            :         uint32_t phys_blocklen;
     126                 :            :         uint32_t max_copy;
     127                 :            : 
     128                 :       2198 :         num_blocks = spdk_bdev_get_num_blocks(bdev);
     129                 :            : 
     130   [ +  -  +  - ]:       2198 :         nsdata->nsze = num_blocks;
     131   [ +  -  +  - ]:       2198 :         nsdata->ncap = num_blocks;
     132   [ +  -  +  - ]:       2198 :         nsdata->nuse = num_blocks;
     133   [ +  -  +  - ]:       2198 :         nsdata->nlbaf = 0;
     134   [ +  -  +  - ]:       2198 :         nsdata->flbas.format = 0;
     135   [ +  -  +  - ]:       2198 :         nsdata->flbas.msb_format = 0;
     136   [ +  -  +  -  :       2198 :         nsdata->nacwu = spdk_bdev_get_acwu(bdev) - 1; /* nacwu is 0-based */
                   +  - ]
     137   [ +  +  -  + ]:       2198 :         if (!dif_insert_or_strip) {
     138   [ +  -  +  -  :       2164 :                 nsdata->lbaf[0].ms = spdk_bdev_desc_get_md_size(desc);
             +  -  +  - ]
     139   [ +  -  +  -  :       2164 :                 nsdata->lbaf[0].lbads = spdk_u32log2(spdk_bdev_desc_get_block_size(desc));
             +  -  +  - ]
     140   [ +  +  +  -  :       2164 :                 if (nsdata->lbaf[0].ms != 0) {
          +  -  +  -  +  
                      - ]
     141   [ #  #  #  # ]:          4 :                         nsdata->flbas.extended = 1;
     142   [ #  #  #  # ]:          4 :                         nsdata->mc.extended = 1;
     143   [ #  #  #  # ]:          4 :                         nsdata->mc.pointer = 0;
     144   [ #  #  #  # ]:          4 :                         nsdata->dps.md_start = spdk_bdev_desc_is_dif_head_of_md(desc);
     145                 :            :                         /* NVMf library doesn't process PRACT and PRCHK flags, we
     146                 :            :                          * leave the use of extended LBA buffer to users.
     147                 :            :                          */
     148   [ #  #  #  # ]:          4 :                         nsdata->dps.pit = SPDK_NVME_FMT_NVM_PROTECTION_DISABLE;
     149                 :          1 :                 }
     150                 :        445 :         } else {
     151   [ #  #  #  #  :         34 :                 nsdata->lbaf[0].ms = 0;
             #  #  #  # ]
     152   [ #  #  #  #  :         34 :                 nsdata->lbaf[0].lbads = spdk_u32log2(spdk_bdev_get_data_block_size(bdev));
             #  #  #  # ]
     153                 :            :         }
     154                 :            : 
     155                 :       2198 :         phys_blocklen = spdk_bdev_get_physical_block_size(bdev);
     156   [ +  +  #  # ]:       2198 :         assert(phys_blocklen > 0);
     157                 :            :         /* Linux driver uses min(nawupf, npwg) to set physical_block_size */
     158   [ +  -  +  - ]:       2198 :         nsdata->nsfeat.optperf = 1;
     159   [ +  -  +  - ]:       2198 :         nsdata->nsfeat.ns_atomic_write_unit = 1;
     160   [ +  +  +  -  :       2198 :         nsdata->npwg = (phys_blocklen >> nsdata->lbaf[0].lbads) - 1;
          +  -  +  -  +  
             -  +  -  +  
                      - ]
     161   [ +  -  +  -  :       2198 :         nsdata->nawupf = nsdata->npwg;
             +  -  +  - ]
     162   [ +  -  +  -  :       2198 :         nsdata->npwa = nsdata->npwg;
             +  -  +  - ]
     163   [ +  -  +  -  :       2198 :         nsdata->npdg = nsdata->npwg;
             +  -  +  - ]
     164   [ +  -  +  -  :       2198 :         nsdata->npda = nsdata->npwg;
             +  -  +  - ]
     165                 :            : 
     166         [ +  + ]:       2198 :         if (spdk_bdev_get_write_unit_size(bdev) == 1) {
     167   [ +  -  +  - ]:       2198 :                 nsdata->noiob = spdk_bdev_get_optimal_io_boundary(bdev);
     168                 :        446 :         }
     169   [ +  -  +  - ]:       2198 :         nsdata->nmic.can_share = 1;
     170         [ +  + ]:       2198 :         if (nvmf_ns_is_ptpl_capable(ns)) {
     171   [ #  #  #  #  :          8 :                 nsdata->nsrescap.rescap.persist = 1;
                   #  # ]
     172                 :          2 :         }
     173   [ +  -  +  -  :       2198 :         nsdata->nsrescap.rescap.write_exclusive = 1;
                   +  - ]
     174   [ +  -  +  -  :       2198 :         nsdata->nsrescap.rescap.exclusive_access = 1;
                   +  - ]
     175   [ +  -  +  -  :       2198 :         nsdata->nsrescap.rescap.write_exclusive_reg_only = 1;
                   +  - ]
     176   [ +  -  +  -  :       2198 :         nsdata->nsrescap.rescap.exclusive_access_reg_only = 1;
                   +  - ]
     177   [ +  -  +  -  :       2198 :         nsdata->nsrescap.rescap.write_exclusive_all_reg = 1;
                   +  - ]
     178   [ +  -  +  -  :       2198 :         nsdata->nsrescap.rescap.exclusive_access_all_reg = 1;
                   +  - ]
     179   [ +  -  +  -  :       2198 :         nsdata->nsrescap.rescap.ignore_existing_key = 1;
                   +  - ]
     180                 :            : 
     181                 :            :         SPDK_STATIC_ASSERT(sizeof(nsdata->nguid) == sizeof(ns->opts.nguid), "size mismatch");
     182   [ +  -  +  -  :       2198 :         memcpy(nsdata->nguid, ns->opts.nguid, sizeof(nsdata->nguid));
          +  -  +  -  +  
                      - ]
     183                 :            : 
     184                 :            :         SPDK_STATIC_ASSERT(sizeof(nsdata->eui64) == sizeof(ns->opts.eui64), "size mismatch");
     185   [ +  -  +  -  :       2198 :         memcpy(&nsdata->eui64, ns->opts.eui64, sizeof(nsdata->eui64));
          +  -  +  -  +  
                      - ]
     186                 :            : 
     187                 :            :         /* For now we support just one source range for copy command */
     188   [ +  -  +  - ]:       2198 :         nsdata->msrc = 0;
     189                 :            : 
     190                 :       2198 :         max_copy = spdk_bdev_get_max_copy(bdev);
     191   [ +  +  -  + ]:       2198 :         if (max_copy == 0 || max_copy > UINT16_MAX) {
     192                 :            :                 /* Zero means copy size is unlimited */
     193   [ +  -  +  - ]:       1392 :                 nsdata->mcl = UINT16_MAX;
     194   [ +  -  +  - ]:       1392 :                 nsdata->mssrl = UINT16_MAX;
     195                 :        446 :         } else {
     196   [ #  #  #  # ]:        806 :                 nsdata->mcl = max_copy;
     197   [ #  #  #  # ]:        806 :                 nsdata->mssrl = max_copy;
     198                 :            :         }
     199                 :       2198 : }
     200                 :            : 
     201                 :            : void
     202                 :          0 : nvmf_bdev_ctrlr_identify_iocs_nvm(struct spdk_nvmf_ns *ns,
     203                 :            :                                   struct spdk_nvme_nvm_ns_data *nsdata_nvm)
     204                 :            : {
     205   [ #  #  #  # ]:          0 :         struct spdk_bdev_desc *desc = ns->desc;
     206                 :            :         uint8_t _16bpists;
     207                 :            :         uint32_t sts, pif;
     208                 :            : 
     209         [ #  # ]:          0 :         if (spdk_bdev_desc_get_dif_type(desc) == SPDK_DIF_DISABLE) {
     210                 :          0 :                 return;
     211                 :            :         }
     212                 :            : 
     213                 :          0 :         pif = spdk_bdev_desc_get_dif_pi_format(desc);
     214                 :            : 
     215                 :            :         /*
     216                 :            :          * 16BPISTS shall be 1 for 32/64b Guard PI.
     217                 :            :          * STCRS shall be 1 if 16BPISTS is 1.
     218                 :            :          * 16 is the minimum value of STS for 32b Guard PI.
     219                 :            :          */
     220   [ #  #  #  # ]:          0 :         switch (pif) {
     221                 :          0 :         case SPDK_DIF_PI_FORMAT_16:
     222                 :          0 :                 _16bpists = 0;
     223                 :          0 :                 sts = 0;
     224                 :          0 :                 break;
     225                 :          0 :         case SPDK_DIF_PI_FORMAT_32:
     226                 :          0 :                 _16bpists = 1;
     227                 :          0 :                 sts = 16;
     228                 :          0 :                 break;
     229                 :          0 :         case SPDK_DIF_PI_FORMAT_64:
     230                 :          0 :                 _16bpists = 1;
     231                 :          0 :                 sts = 0;
     232                 :          0 :                 break;
     233                 :          0 :         default:
     234                 :          0 :                 SPDK_WARNLOG("PI format %u is not supported\n", pif);
     235                 :          0 :                 return;
     236                 :            :         }
     237                 :            : 
     238                 :            :         /* For 16b Guard PI, Storage Tag is not available because we set STS to 0.
     239                 :            :          * In this case, we do not have to set 16BPISTM to 1. For simplicity,
     240                 :            :          * set 16BPISTM to 0 and set LBSTM to all zeroes.
     241                 :            :          *
     242                 :            :          * We will revisit here when we find any OS uses Storage Tag.
     243                 :            :          */
     244   [ #  #  #  # ]:          0 :         nsdata_nvm->lbstm = 0;
     245   [ #  #  #  # ]:          0 :         nsdata_nvm->pic._16bpistm = 0;
     246                 :            : 
     247   [ #  #  #  # ]:          0 :         nsdata_nvm->pic._16bpists = _16bpists;
     248   [ #  #  #  # ]:          0 :         nsdata_nvm->pic.stcrs = 0;
     249   [ #  #  #  #  :          0 :         nsdata_nvm->elbaf[0].sts = sts;
             #  #  #  # ]
     250   [ #  #  #  #  :          0 :         nsdata_nvm->elbaf[0].pif = pif;
             #  #  #  # ]
     251                 :          0 : }
     252                 :            : 
     253                 :            : static void
     254                 :   26040244 : nvmf_bdev_ctrlr_get_rw_params(const struct spdk_nvme_cmd *cmd, uint64_t *start_lba,
     255                 :            :                               uint64_t *num_blocks)
     256                 :            : {
     257                 :            :         /* SLBA: CDW10 and CDW11 */
     258   [ +  -  +  -  :   26040244 :         *start_lba = from_le64(&cmd->cdw10);
                   +  - ]
     259                 :            : 
     260                 :            :         /* NLB: CDW12 bits 15:00, 0's based */
     261   [ +  -  +  -  :   26040244 :         *num_blocks = (from_le32(&cmd->cdw12) & 0xFFFFu) + 1;
                   +  - ]
     262                 :   26040244 : }
     263                 :            : 
     264                 :            : static void
     265                 :   24740782 : nvmf_bdev_ctrlr_get_rw_ext_params(const struct spdk_nvme_cmd *cmd,
     266                 :            :                                   struct spdk_bdev_ext_io_opts *opts)
     267                 :            : {
     268                 :            :         /* Get CDW12 values */
     269   [ +  -  +  -  :   24740782 :         opts->nvme_cdw12.raw = from_le32(&cmd->cdw12);
          +  -  +  -  +  
                      - ]
     270                 :            : 
     271                 :            :         /* Get CDW13 values */
     272   [ +  -  +  -  :   24740782 :         opts->nvme_cdw13.raw = from_le32(&cmd->cdw13);
          +  -  +  -  +  
                      - ]
     273                 :            : 
     274   [ +  -  +  -  :   24740782 :         opts->dif_check_flags_exclude_mask = (~opts->nvme_cdw12.raw) & SPDK_NVME_IO_FLAGS_PRCHK_MASK;
          +  -  +  -  +  
                      - ]
     275                 :   24740782 : }
     276                 :            : 
     277                 :            : static bool
     278                 :   26037147 : nvmf_bdev_ctrlr_lba_in_range(uint64_t bdev_num_blocks, uint64_t io_start_lba,
     279                 :            :                              uint64_t io_num_blocks)
     280                 :            : {
     281   [ +  +  +  + ]:   26037147 :         if (io_start_lba + io_num_blocks > bdev_num_blocks ||
     282         [ +  + ]:   26032364 :             io_start_lba + io_num_blocks < io_start_lba) {
     283                 :       4791 :                 return false;
     284                 :            :         }
     285                 :            : 
     286                 :   26032356 :         return true;
     287                 :     110329 : }
     288                 :            : 
     289                 :            : static void
     290                 :     131898 : nvmf_ctrlr_process_io_cmd_resubmit(void *arg)
     291                 :            : {
     292                 :     131898 :         struct spdk_nvmf_request *req = arg;
     293                 :            :         int rc;
     294                 :            : 
     295                 :     131898 :         rc = nvmf_ctrlr_process_io_cmd(req);
     296         [ -  + ]:     131898 :         if (rc == SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE) {
     297                 :          0 :                 spdk_nvmf_request_complete(req);
     298                 :          0 :         }
     299                 :     131898 : }
     300                 :            : 
     301                 :            : static void
     302                 :          0 : nvmf_ctrlr_process_admin_cmd_resubmit(void *arg)
     303                 :            : {
     304                 :          0 :         struct spdk_nvmf_request *req = arg;
     305                 :            :         int rc;
     306                 :            : 
     307                 :          0 :         rc = nvmf_ctrlr_process_admin_cmd(req);
     308         [ #  # ]:          0 :         if (rc == SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE) {
     309                 :          0 :                 spdk_nvmf_request_complete(req);
     310                 :          0 :         }
     311                 :          0 : }
     312                 :            : 
     313                 :            : static void
     314                 :     216373 : nvmf_bdev_ctrl_queue_io(struct spdk_nvmf_request *req, struct spdk_bdev *bdev,
     315                 :            :                         struct spdk_io_channel *ch, spdk_bdev_io_wait_cb cb_fn, void *cb_arg)
     316                 :            : {
     317                 :            :         int rc;
     318                 :            : 
     319   [ #  #  #  #  :     216373 :         req->bdev_io_wait.bdev = bdev;
                   #  # ]
     320   [ #  #  #  #  :     216373 :         req->bdev_io_wait.cb_fn = cb_fn;
                   #  # ]
     321   [ #  #  #  #  :     216373 :         req->bdev_io_wait.cb_arg = cb_arg;
                   #  # ]
     322                 :            : 
     323         [ #  # ]:     216373 :         rc = spdk_bdev_queue_io_wait(bdev, ch, &req->bdev_io_wait);
     324         [ -  + ]:     216373 :         if (rc != 0) {
     325         [ #  # ]:          0 :                 assert(false);
     326                 :            :         }
     327   [ #  #  #  #  :     216373 :         req->qpair->group->stat.pending_bdev_io++;
          #  #  #  #  #  
                #  #  # ]
     328                 :     216373 : }
     329                 :            : 
     330                 :            : bool
     331                 :          0 : nvmf_bdev_zcopy_enabled(struct spdk_bdev *bdev)
     332                 :            : {
     333                 :          0 :         return spdk_bdev_io_type_supported(bdev, SPDK_BDEV_IO_TYPE_ZCOPY);
     334                 :            : }
     335                 :            : 
     336                 :            : int
     337                 :   14260948 : nvmf_bdev_ctrlr_read_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     338                 :            :                          struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
     339                 :            : {
     340                 :   56644633 :         struct spdk_bdev_ext_io_opts opts = {
     341                 :            :                 .size = SPDK_SIZEOF(&opts, accel_sequence),
     342   [ +  -  +  - ]:   14260948 :                 .memory_domain = req->memory_domain,
     343   [ +  -  +  - ]:   14260948 :                 .memory_domain_ctx = req->memory_domain_ctx,
     344   [ +  -  +  - ]:   14260948 :                 .accel_sequence = req->accel_sequence,
     345                 :            :         };
     346                 :   14260948 :         uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
     347                 :   14260948 :         uint32_t block_size = spdk_bdev_desc_get_block_size(desc);
     348   [ +  -  +  -  :   14260948 :         struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
                   +  - ]
     349   [ +  -  +  -  :   14260948 :         struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
                   +  - ]
     350                 :     133053 :         uint64_t start_lba;
     351                 :     133053 :         uint64_t num_blocks;
     352                 :            :         int rc;
     353                 :            : 
     354                 :   14260948 :         nvmf_bdev_ctrlr_get_rw_params(cmd, &start_lba, &num_blocks);
     355                 :   14260948 :         nvmf_bdev_ctrlr_get_rw_ext_params(cmd, &opts);
     356                 :            : 
     357         [ -  + ]:   14260948 :         if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, start_lba, num_blocks))) {
     358                 :          0 :                 SPDK_ERRLOG("end of media\n");
     359   [ #  #  #  #  :          0 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     360   [ #  #  #  #  :          0 :                 rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
                   #  # ]
     361                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     362                 :            :         }
     363                 :            : 
     364   [ +  +  +  -  :   14260948 :         if (spdk_unlikely(num_blocks * block_size > req->length)) {
                   -  + ]
     365   [ #  #  #  # ]:      34729 :                 SPDK_ERRLOG("Read NLB %" PRIu64 " * block size %" PRIu32 " > SGL length %" PRIu32 "\n",
     366                 :            :                             num_blocks, block_size, req->length);
     367   [ #  #  #  #  :      34729 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     368   [ #  #  #  #  :      34729 :                 rsp->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
                   #  # ]
     369                 :      34729 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     370                 :            :         }
     371                 :            : 
     372   [ +  +  #  # ]:   14226219 :         assert(!spdk_nvmf_request_using_zcopy(req));
     373                 :            : 
     374   [ +  -  +  -  :   14226220 :         rc = spdk_bdev_readv_blocks_ext(desc, ch, req->iov, req->iovcnt, start_lba, num_blocks,
                   +  - ]
     375                 :      55152 :                                         nvmf_bdev_ctrlr_complete_cmd, req, &opts);
     376         [ +  + ]:   14226219 :         if (spdk_unlikely(rc)) {
     377         [ +  - ]:      61233 :                 if (rc == -ENOMEM) {
     378                 :      61233 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
     379                 :      61233 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     380                 :            :                 }
     381   [ #  #  #  #  :          0 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     382   [ #  #  #  #  :          0 :                 rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     383                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     384                 :            :         }
     385                 :            : 
     386                 :   14164986 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     387                 :      55152 : }
     388                 :            : 
     389                 :            : int
     390                 :   10479830 : nvmf_bdev_ctrlr_write_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     391                 :            :                           struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
     392                 :            : {
     393                 :   41597519 :         struct spdk_bdev_ext_io_opts opts = {
     394                 :            :                 .size = SPDK_SIZEOF(&opts, nvme_cdw13),
     395   [ +  -  +  - ]:   10479830 :                 .memory_domain = req->memory_domain,
     396   [ +  -  +  - ]:   10479830 :                 .memory_domain_ctx = req->memory_domain_ctx,
     397   [ +  -  +  - ]:   10479830 :                 .accel_sequence = req->accel_sequence,
     398                 :            :         };
     399                 :   10479830 :         uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
     400                 :   10479830 :         uint32_t block_size = spdk_bdev_desc_get_block_size(desc);
     401   [ +  -  +  -  :   10479830 :         struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
                   +  - ]
     402   [ +  -  +  -  :   10479830 :         struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
                   +  - ]
     403                 :     107267 :         uint64_t start_lba;
     404                 :     107267 :         uint64_t num_blocks;
     405                 :            :         int rc;
     406                 :            : 
     407                 :   10479830 :         nvmf_bdev_ctrlr_get_rw_params(cmd, &start_lba, &num_blocks);
     408                 :   10479830 :         nvmf_bdev_ctrlr_get_rw_ext_params(cmd, &opts);
     409                 :            : 
     410         [ -  + ]:   10479830 :         if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, start_lba, num_blocks))) {
     411                 :          0 :                 SPDK_ERRLOG("end of media\n");
     412   [ #  #  #  #  :          0 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     413   [ #  #  #  #  :          0 :                 rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
                   #  # ]
     414                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     415                 :            :         }
     416                 :            : 
     417   [ +  +  +  -  :   10479830 :         if (spdk_unlikely(num_blocks * block_size > req->length)) {
                   -  + ]
     418   [ #  #  #  # ]:          0 :                 SPDK_ERRLOG("Write NLB %" PRIu64 " * block size %" PRIu32 " > SGL length %" PRIu32 "\n",
     419                 :            :                             num_blocks, block_size, req->length);
     420   [ #  #  #  #  :          0 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     421   [ #  #  #  #  :          0 :                 rsp->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
                   #  # ]
     422                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     423                 :            :         }
     424                 :            : 
     425   [ +  +  #  # ]:   10479830 :         assert(!spdk_nvmf_request_using_zcopy(req));
     426                 :            : 
     427   [ +  -  +  -  :   10479831 :         rc = spdk_bdev_writev_blocks_ext(desc, ch, req->iov, req->iovcnt, start_lba, num_blocks,
                   +  - ]
     428                 :      55152 :                                          nvmf_bdev_ctrlr_complete_cmd, req, &opts);
     429         [ +  + ]:   10479830 :         if (spdk_unlikely(rc)) {
     430         [ +  - ]:      70665 :                 if (rc == -ENOMEM) {
     431                 :      70665 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
     432                 :      70665 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     433                 :            :                 }
     434   [ #  #  #  #  :          0 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     435   [ #  #  #  #  :          0 :                 rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     436                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     437                 :            :         }
     438                 :            : 
     439                 :   10409165 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     440                 :      55152 : }
     441                 :            : 
     442                 :            : int
     443                 :         16 : nvmf_bdev_ctrlr_compare_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     444                 :            :                             struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
     445                 :            : {
     446                 :         16 :         uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
     447                 :         16 :         uint32_t block_size = spdk_bdev_desc_get_block_size(desc);
     448   [ #  #  #  #  :         16 :         struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
                   #  # ]
     449   [ #  #  #  #  :         16 :         struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
                   #  # ]
     450                 :         12 :         uint64_t start_lba;
     451                 :         12 :         uint64_t num_blocks;
     452                 :            :         int rc;
     453                 :            : 
     454                 :         16 :         nvmf_bdev_ctrlr_get_rw_params(cmd, &start_lba, &num_blocks);
     455                 :            : 
     456         [ +  + ]:         16 :         if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, start_lba, num_blocks))) {
     457                 :          4 :                 SPDK_ERRLOG("end of media\n");
     458   [ #  #  #  #  :          4 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     459   [ #  #  #  #  :          4 :                 rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
                   #  # ]
     460                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     461                 :            :         }
     462                 :            : 
     463   [ +  +  #  #  :         12 :         if (spdk_unlikely(num_blocks * block_size > req->length)) {
                   #  # ]
     464   [ #  #  #  # ]:          4 :                 SPDK_ERRLOG("Compare NLB %" PRIu64 " * block size %" PRIu32 " > SGL length %" PRIu32 "\n",
     465                 :            :                             num_blocks, block_size, req->length);
     466   [ #  #  #  #  :          4 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     467   [ #  #  #  #  :          4 :                 rsp->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
                   #  # ]
     468                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     469                 :            :         }
     470                 :            : 
     471   [ #  #  #  #  :         10 :         rc = spdk_bdev_comparev_blocks(desc, ch, req->iov, req->iovcnt, start_lba, num_blocks,
                   #  # ]
     472                 :          2 :                                        nvmf_bdev_ctrlr_complete_cmd, req);
     473         [ +  + ]:          8 :         if (spdk_unlikely(rc)) {
     474         [ -  + ]:          4 :                 if (rc == -ENOMEM) {
     475                 :          0 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
     476                 :          0 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     477                 :            :                 }
     478   [ #  #  #  #  :          4 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     479   [ #  #  #  #  :          4 :                 rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     480                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     481                 :            :         }
     482                 :            : 
     483                 :          4 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     484                 :          4 : }
     485                 :            : 
     486                 :            : int
     487                 :       3133 : nvmf_bdev_ctrlr_compare_and_write_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     488                 :            :                                       struct spdk_io_channel *ch, struct spdk_nvmf_request *cmp_req, struct spdk_nvmf_request *write_req)
     489                 :            : {
     490                 :       3133 :         uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
     491                 :       3133 :         uint32_t block_size = spdk_bdev_desc_get_block_size(desc);
     492   [ #  #  #  #  :       3133 :         struct spdk_nvme_cmd *cmp_cmd = &cmp_req->cmd->nvme_cmd;
                   #  # ]
     493   [ #  #  #  #  :       3133 :         struct spdk_nvme_cmd *write_cmd = &write_req->cmd->nvme_cmd;
                   #  # ]
     494   [ #  #  #  #  :       3133 :         struct spdk_nvme_cpl *rsp = &write_req->rsp->nvme_cpl;
                   #  # ]
     495                 :         12 :         uint64_t write_start_lba, cmp_start_lba;
     496                 :         12 :         uint64_t write_num_blocks, cmp_num_blocks;
     497                 :            :         int rc;
     498                 :            : 
     499                 :       3133 :         nvmf_bdev_ctrlr_get_rw_params(cmp_cmd, &cmp_start_lba, &cmp_num_blocks);
     500                 :       3133 :         nvmf_bdev_ctrlr_get_rw_params(write_cmd, &write_start_lba, &write_num_blocks);
     501                 :            : 
     502   [ +  +  +  + ]:       3133 :         if (spdk_unlikely(write_start_lba != cmp_start_lba || write_num_blocks != cmp_num_blocks)) {
     503                 :          4 :                 SPDK_ERRLOG("Fused command start lba / num blocks mismatch\n");
     504   [ #  #  #  #  :          4 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     505   [ #  #  #  #  :          4 :                 rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD;
                   #  # ]
     506                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     507                 :            :         }
     508                 :            : 
     509         [ +  + ]:       3129 :         if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, write_start_lba,
     510                 :            :                           write_num_blocks))) {
     511                 :          4 :                 SPDK_ERRLOG("end of media\n");
     512   [ #  #  #  #  :          4 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     513   [ #  #  #  #  :          4 :                 rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
                   #  # ]
     514                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     515                 :            :         }
     516                 :            : 
     517   [ +  +  #  #  :       3125 :         if (spdk_unlikely(write_num_blocks * block_size > write_req->length)) {
                   #  # ]
     518   [ #  #  #  # ]:          4 :                 SPDK_ERRLOG("Write NLB %" PRIu64 " * block size %" PRIu32 " > SGL length %" PRIu32 "\n",
     519                 :            :                             write_num_blocks, block_size, write_req->length);
     520   [ #  #  #  #  :          4 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     521   [ #  #  #  #  :          4 :                 rsp->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
                   #  # ]
     522                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     523                 :            :         }
     524                 :            : 
     525   [ #  #  #  #  :       3122 :         rc = spdk_bdev_comparev_and_writev_blocks(desc, ch, cmp_req->iov, cmp_req->iovcnt, write_req->iov,
             #  #  #  # ]
     526   [ #  #  #  # ]:       3121 :                         write_req->iovcnt, write_start_lba, write_num_blocks, nvmf_bdev_ctrlr_complete_cmd, write_req);
     527         [ -  + ]:       3121 :         if (spdk_unlikely(rc)) {
     528         [ #  # ]:          0 :                 if (rc == -ENOMEM) {
     529                 :          0 :                         nvmf_bdev_ctrl_queue_io(cmp_req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, cmp_req);
     530                 :          0 :                         nvmf_bdev_ctrl_queue_io(write_req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, write_req);
     531                 :          0 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     532                 :            :                 }
     533   [ #  #  #  #  :          0 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     534   [ #  #  #  #  :          0 :                 rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     535                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     536                 :            :         }
     537                 :            : 
     538                 :       3121 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     539                 :          4 : }
     540                 :            : 
     541                 :            : int
     542                 :       8279 : nvmf_bdev_ctrlr_write_zeroes_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     543                 :            :                                  struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
     544                 :            : {
     545                 :       8279 :         uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
     546   [ #  #  #  #  :       8279 :         struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
                   #  # ]
     547   [ #  #  #  #  :       8279 :         struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
                   #  # ]
     548   [ #  #  #  #  :       8279 :         uint64_t max_write_zeroes_size = req->qpair->ctrlr->subsys->max_write_zeroes_size_kib;
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
     549                 :         12 :         uint64_t start_lba;
     550                 :         12 :         uint64_t num_blocks;
     551                 :            :         int rc;
     552                 :            : 
     553                 :       8279 :         nvmf_bdev_ctrlr_get_rw_params(cmd, &start_lba, &num_blocks);
     554   [ +  +  +  +  :       8279 :         if (spdk_unlikely(max_write_zeroes_size > 0 &&
             +  -  #  # ]
     555                 :            :                           num_blocks > (max_write_zeroes_size << 10) / spdk_bdev_desc_get_block_size(desc))) {
     556                 :          4 :                 SPDK_ERRLOG("invalid write zeroes size, should not exceed %" PRIu64 "Kib\n", max_write_zeroes_size);
     557   [ #  #  #  #  :          4 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     558   [ #  #  #  #  :          4 :                 rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD;
                   #  # ]
     559                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     560                 :            :         }
     561                 :            : 
     562         [ +  + ]:       8275 :         if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, start_lba, num_blocks))) {
     563                 :       4755 :                 SPDK_ERRLOG("end of media\n");
     564   [ #  #  #  #  :       4755 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     565   [ #  #  #  #  :       4755 :                 rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
                   #  # ]
     566                 :       4755 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     567                 :            :         }
     568                 :            : 
     569   [ -  +  #  #  :       3520 :         if (spdk_unlikely(cmd->cdw12_bits.write_zeroes.deac)) {
          #  #  #  #  #  
                      # ]
     570                 :          0 :                 SPDK_ERRLOG("Write Zeroes Deallocate is not supported\n");
     571   [ #  #  #  #  :          0 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     572   [ #  #  #  #  :          0 :                 rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD;
                   #  # ]
     573                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     574                 :            :         }
     575                 :            : 
     576                 :       3522 :         rc = spdk_bdev_write_zeroes_blocks(desc, ch, start_lba, num_blocks,
     577                 :          2 :                                            nvmf_bdev_ctrlr_complete_cmd, req);
     578         [ +  + ]:       3520 :         if (spdk_unlikely(rc)) {
     579         [ -  + ]:          4 :                 if (rc == -ENOMEM) {
     580                 :          0 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
     581                 :          0 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     582                 :            :                 }
     583   [ #  #  #  #  :          4 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     584   [ #  #  #  #  :          4 :                 rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     585                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     586                 :            :         }
     587                 :            : 
     588                 :       3516 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     589                 :          4 : }
     590                 :            : 
     591                 :            : int
     592                 :       5277 : nvmf_bdev_ctrlr_flush_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     593                 :            :                           struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
     594                 :            : {
     595   [ #  #  #  #  :       5277 :         struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
                   #  # ]
     596                 :            :         int rc;
     597                 :            : 
     598                 :            :         /* As for NVMeoF controller, SPDK always set volatile write
     599                 :            :          * cache bit to 1, return success for those block devices
     600                 :            :          * which can't support FLUSH command.
     601                 :            :          */
     602         [ +  + ]:       5277 :         if (!spdk_bdev_io_type_supported(bdev, SPDK_BDEV_IO_TYPE_FLUSH)) {
     603   [ #  #  #  #  :          4 :                 response->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     604   [ #  #  #  #  :          4 :                 response->status.sc = SPDK_NVME_SC_SUCCESS;
                   #  # ]
     605                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     606                 :            :         }
     607                 :            : 
     608                 :       5275 :         rc = spdk_bdev_flush_blocks(desc, ch, 0, spdk_bdev_get_num_blocks(bdev),
     609                 :          2 :                                     nvmf_bdev_ctrlr_complete_cmd, req);
     610         [ +  + ]:       5273 :         if (spdk_unlikely(rc)) {
     611         [ -  + ]:          4 :                 if (rc == -ENOMEM) {
     612                 :          0 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
     613                 :          0 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     614                 :            :                 }
     615   [ #  #  #  #  :          4 :                 response->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     616                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     617                 :            :         }
     618                 :       5269 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     619                 :          3 : }
     620                 :            : 
     621                 :            : struct nvmf_bdev_ctrlr_unmap {
     622                 :            :         struct spdk_nvmf_request        *req;
     623                 :            :         uint32_t                        count;
     624                 :            :         struct spdk_bdev_desc           *desc;
     625                 :            :         struct spdk_bdev                *bdev;
     626                 :            :         struct spdk_io_channel          *ch;
     627                 :            :         uint32_t                        range_index;
     628                 :            : };
     629                 :            : 
     630                 :            : static void
     631                 :      84502 : nvmf_bdev_ctrlr_unmap_cpl(struct spdk_bdev_io *bdev_io, bool success,
     632                 :            :                           void *cb_arg)
     633                 :            : {
     634                 :      84502 :         struct nvmf_bdev_ctrlr_unmap *unmap_ctx = cb_arg;
     635   [ #  #  #  # ]:      84502 :         struct spdk_nvmf_request        *req = unmap_ctx->req;
     636   [ #  #  #  #  :      84502 :         struct spdk_nvme_cpl            *response = &req->rsp->nvme_cpl;
                   #  # ]
     637                 :          0 :         int                             sc, sct;
     638                 :          0 :         uint32_t                        cdw0;
     639                 :            : 
     640         [ #  # ]:      84502 :         unmap_ctx->count--;
     641                 :            : 
     642   [ +  -  #  #  :      84502 :         if (response->status.sct == SPDK_NVME_SCT_GENERIC &&
          #  #  #  #  #  
                      # ]
     643   [ +  -  #  #  :      84502 :             response->status.sc == SPDK_NVME_SC_SUCCESS) {
                   #  # ]
     644                 :      84502 :                 spdk_bdev_io_get_nvme_status(bdev_io, &cdw0, &sct, &sc);
     645   [ #  #  #  # ]:      84502 :                 response->cdw0 = cdw0;
     646   [ #  #  #  #  :      84502 :                 response->status.sc = sc;
                   #  # ]
     647   [ #  #  #  #  :      84502 :                 response->status.sct = sct;
                   #  # ]
     648                 :          0 :         }
     649                 :            : 
     650   [ +  -  #  #  :      84502 :         if (unmap_ctx->count == 0) {
                   #  # ]
     651                 :      84502 :                 spdk_nvmf_request_complete(req);
     652                 :      84502 :                 free(unmap_ctx);
     653                 :          0 :         }
     654                 :      84502 :         spdk_bdev_free_io(bdev_io);
     655                 :      84502 : }
     656                 :            : 
     657                 :            : static int nvmf_bdev_ctrlr_unmap(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     658                 :            :                                  struct spdk_io_channel *ch, struct spdk_nvmf_request *req,
     659                 :            :                                  struct nvmf_bdev_ctrlr_unmap *unmap_ctx);
     660                 :            : static void
     661                 :      84467 : nvmf_bdev_ctrlr_unmap_resubmit(void *arg)
     662                 :            : {
     663                 :      84467 :         struct nvmf_bdev_ctrlr_unmap *unmap_ctx = arg;
     664   [ #  #  #  # ]:      84467 :         struct spdk_nvmf_request *req = unmap_ctx->req;
     665   [ #  #  #  # ]:      84467 :         struct spdk_bdev_desc *desc = unmap_ctx->desc;
     666   [ #  #  #  # ]:      84467 :         struct spdk_bdev *bdev = unmap_ctx->bdev;
     667   [ #  #  #  # ]:      84467 :         struct spdk_io_channel *ch = unmap_ctx->ch;
     668                 :            : 
     669                 :      84467 :         nvmf_bdev_ctrlr_unmap(bdev, desc, ch, req, unmap_ctx);
     670                 :      84467 : }
     671                 :            : 
     672                 :            : static int
     673                 :     168969 : nvmf_bdev_ctrlr_unmap(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     674                 :            :                       struct spdk_io_channel *ch, struct spdk_nvmf_request *req,
     675                 :            :                       struct nvmf_bdev_ctrlr_unmap *unmap_ctx)
     676                 :            : {
     677                 :            :         uint16_t nr, i;
     678   [ #  #  #  #  :     168969 :         struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
                   #  # ]
     679   [ #  #  #  #  :     168969 :         struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
                   #  # ]
     680   [ #  #  #  #  :     168969 :         uint64_t max_discard_size = req->qpair->ctrlr->subsys->max_discard_size_kib;
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
     681                 :     168969 :         uint32_t block_size = spdk_bdev_desc_get_block_size(desc);
     682                 :          0 :         struct spdk_iov_xfer ix;
     683                 :            :         uint64_t lba;
     684                 :            :         uint32_t lba_count;
     685                 :            :         int rc;
     686                 :            : 
     687   [ #  #  #  #  :     168969 :         nr = cmd->cdw10_bits.dsm.nr + 1;
          #  #  #  #  #  
                      # ]
     688   [ -  +  #  #  :     168969 :         if (nr * sizeof(struct spdk_nvme_dsm_range) > req->length) {
                   #  # ]
     689                 :          0 :                 SPDK_ERRLOG("Dataset Management number of ranges > SGL length\n");
     690   [ #  #  #  #  :          0 :                 response->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
                   #  # ]
     691                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     692                 :            :         }
     693                 :            : 
     694         [ +  + ]:     168969 :         if (unmap_ctx == NULL) {
     695                 :      84502 :                 unmap_ctx = calloc(1, sizeof(*unmap_ctx));
     696         [ -  + ]:      84502 :                 if (!unmap_ctx) {
     697   [ #  #  #  #  :          0 :                         response->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     698                 :          0 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     699                 :            :                 }
     700                 :            : 
     701   [ #  #  #  # ]:      84502 :                 unmap_ctx->req = req;
     702   [ #  #  #  # ]:      84502 :                 unmap_ctx->desc = desc;
     703   [ #  #  #  # ]:      84502 :                 unmap_ctx->ch = ch;
     704   [ #  #  #  # ]:      84502 :                 unmap_ctx->bdev = bdev;
     705                 :            : 
     706   [ #  #  #  #  :      84502 :                 response->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     707   [ #  #  #  #  :      84502 :                 response->status.sc = SPDK_NVME_SC_SUCCESS;
                   #  # ]
     708                 :          0 :         } else {
     709         [ #  # ]:      84467 :                 unmap_ctx->count--;  /* dequeued */
     710                 :            :         }
     711                 :            : 
     712   [ #  #  #  #  :     168969 :         spdk_iov_xfer_init(&ix, req->iov, req->iovcnt);
                   #  # ]
     713                 :            : 
     714   [ +  +  #  #  :     253471 :         for (i = unmap_ctx->range_index; i < nr; i++) {
                   #  # ]
     715                 :     168969 :                 struct spdk_nvme_dsm_range dsm_range = { 0 };
     716                 :            : 
     717                 :     168969 :                 spdk_iov_xfer_to_buf(&ix, &dsm_range, sizeof(dsm_range));
     718                 :            : 
     719         [ #  # ]:     168969 :                 lba = dsm_range.starting_lba;
     720         [ #  # ]:     168969 :                 lba_count = dsm_range.length;
     721   [ -  +  -  -  :     168969 :                 if (max_discard_size > 0 && lba_count > (max_discard_size << 10) / block_size) {
             -  -  #  # ]
     722         [ #  # ]:          0 :                         SPDK_ERRLOG("invalid unmap size %" PRIu32 " blocks, should not exceed %" PRIu64 " blocks\n",
     723                 :            :                                     lba_count, max_discard_size << 1);
     724   [ #  #  #  #  :          0 :                         response->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     725   [ #  #  #  #  :          0 :                         response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
                   #  # ]
     726                 :          0 :                         break;
     727                 :            :                 }
     728                 :            : 
     729         [ #  # ]:     168969 :                 unmap_ctx->count++;
     730                 :            : 
     731                 :     168969 :                 rc = spdk_bdev_unmap_blocks(desc, ch, lba, lba_count,
     732                 :          0 :                                             nvmf_bdev_ctrlr_unmap_cpl, unmap_ctx);
     733         [ +  + ]:     168969 :                 if (rc) {
     734         [ +  - ]:      84467 :                         if (rc == -ENOMEM) {
     735                 :      84467 :                                 nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_bdev_ctrlr_unmap_resubmit, unmap_ctx);
     736                 :            :                                 /* Unmap was not yet submitted to bdev */
     737                 :            :                                 /* unmap_ctx->count will be decremented when the request is dequeued */
     738                 :      84467 :                                 return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     739                 :            :                         }
     740   [ #  #  #  #  :          0 :                         response->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     741         [ #  # ]:          0 :                         unmap_ctx->count--;
     742                 :            :                         /* We can't return here - we may have to wait for any other
     743                 :            :                                 * unmaps already sent to complete */
     744                 :          0 :                         break;
     745                 :            :                 }
     746         [ #  # ]:      84502 :                 unmap_ctx->range_index++;
     747                 :          0 :         }
     748                 :            : 
     749   [ -  +  #  #  :      84502 :         if (unmap_ctx->count == 0) {
                   #  # ]
     750                 :          0 :                 free(unmap_ctx);
     751                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     752                 :            :         }
     753                 :            : 
     754                 :      84502 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     755                 :          0 : }
     756                 :            : 
     757                 :            : int
     758                 :      84502 : nvmf_bdev_ctrlr_dsm_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     759                 :            :                         struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
     760                 :            : {
     761   [ #  #  #  #  :      84502 :         struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
                   #  # ]
     762   [ #  #  #  #  :      84502 :         struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
                   #  # ]
     763                 :            : 
     764   [ +  -  #  #  :      84502 :         if (cmd->cdw11_bits.dsm.ad) {
          #  #  #  #  #  
                      # ]
     765                 :      84502 :                 return nvmf_bdev_ctrlr_unmap(bdev, desc, ch, req, NULL);
     766                 :            :         }
     767                 :            : 
     768   [ #  #  #  #  :          0 :         response->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     769   [ #  #  #  #  :          0 :         response->status.sc = SPDK_NVME_SC_SUCCESS;
                   #  # ]
     770                 :          0 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     771                 :          0 : }
     772                 :            : 
     773                 :            : int
     774                 :         29 : nvmf_bdev_ctrlr_copy_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     775                 :            :                          struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
     776                 :            : {
     777   [ #  #  #  #  :         29 :         struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
                   #  # ]
     778   [ #  #  #  #  :         29 :         struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
                   #  # ]
     779   [ #  #  #  #  :         29 :         uint64_t sdlba = ((uint64_t)cmd->cdw11 << 32) + cmd->cdw10;
          #  #  #  #  #  
             #  #  #  #  
                      # ]
     780                 :         29 :         struct spdk_nvme_scc_source_range range = { 0 };
     781                 :         15 :         struct spdk_iov_xfer ix;
     782                 :            :         int rc;
     783                 :            : 
     784   [ +  +  -  +  :         29 :         SPDK_DEBUGLOG(nvmf, "Copy command: SDLBA %lu, NR %u, desc format %u, PRINFOR %u, "
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
                      # ]
     785                 :            :                       "DTYPE %u, STCW %u, PRINFOW %u, FUA %u, LR %u\n",
     786                 :            :                       sdlba,
     787                 :            :                       cmd->cdw12_bits.copy.nr,
     788                 :            :                       cmd->cdw12_bits.copy.df,
     789                 :            :                       cmd->cdw12_bits.copy.prinfor,
     790                 :            :                       cmd->cdw12_bits.copy.dtype,
     791                 :            :                       cmd->cdw12_bits.copy.stcw,
     792                 :            :                       cmd->cdw12_bits.copy.prinfow,
     793                 :            :                       cmd->cdw12_bits.copy.fua,
     794                 :            :                       cmd->cdw12_bits.copy.lr);
     795                 :            : 
     796   [ -  +  #  #  :         29 :         if (spdk_unlikely(req->length != (cmd->cdw12_bits.copy.nr + 1) *
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
     797                 :            :                           sizeof(struct spdk_nvme_scc_source_range))) {
     798   [ #  #  #  #  :          0 :                 response->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     799   [ #  #  #  #  :          0 :                 response->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
                   #  # ]
     800                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     801                 :            :         }
     802                 :            : 
     803                 :            :         /*
     804                 :            :          * We support only one source range, and rely on this with the xfer
     805                 :            :          * below.
     806                 :            :          */
     807   [ +  +  #  #  :         29 :         if (cmd->cdw12_bits.copy.nr > 0) {
          #  #  #  #  #  
                      # ]
     808   [ #  #  #  #  :          4 :                 response->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC;
                   #  # ]
     809   [ #  #  #  #  :          4 :                 response->status.sc = SPDK_NVME_SC_CMD_SIZE_LIMIT_SIZE_EXCEEDED;
                   #  # ]
     810                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     811                 :            :         }
     812                 :            : 
     813   [ +  +  #  #  :         25 :         if (cmd->cdw12_bits.copy.df != 0) {
          #  #  #  #  #  
                      # ]
     814   [ #  #  #  #  :          4 :                 response->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     815   [ #  #  #  #  :          4 :                 response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
                   #  # ]
     816                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     817                 :            :         }
     818                 :            : 
     819   [ #  #  #  #  :         21 :         spdk_iov_xfer_init(&ix, req->iov, req->iovcnt);
                   #  # ]
     820                 :         21 :         spdk_iov_xfer_to_buf(&ix, &range, sizeof(range));
     821                 :            : 
     822   [ #  #  #  #  :         24 :         rc = spdk_bdev_copy_blocks(desc, ch, sdlba, range.slba, range.nlb + 1,
                   #  # ]
     823                 :          3 :                                    nvmf_bdev_ctrlr_complete_cmd, req);
     824         [ +  + ]:         21 :         if (spdk_unlikely(rc)) {
     825         [ -  + ]:          4 :                 if (rc == -ENOMEM) {
     826                 :          0 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
     827                 :          0 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     828                 :            :                 }
     829                 :            : 
     830   [ #  #  #  #  :          4 :                 response->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     831   [ #  #  #  #  :          4 :                 response->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     832                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     833                 :            :         }
     834                 :            : 
     835                 :         17 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     836                 :          5 : }
     837                 :            : 
     838                 :            : int
     839                 :     296627 : nvmf_bdev_ctrlr_nvme_passthru_io(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     840                 :            :                                  struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
     841                 :            : {
     842                 :            :         int rc;
     843                 :            : 
     844   [ #  #  #  #  :     296631 :         rc = spdk_bdev_nvme_iov_passthru_md(desc, ch, &req->cmd->nvme_cmd, req->iov, req->iovcnt,
          #  #  #  #  #  
                #  #  # ]
     845   [ #  #  #  # ]:     296627 :                                             req->length, NULL, 0, nvmf_bdev_ctrlr_complete_cmd, req);
     846                 :            : 
     847         [ +  + ]:     296627 :         if (spdk_unlikely(rc)) {
     848         [ +  + ]:     296619 :                 if (rc == -ENOMEM) {
     849                 :          4 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
     850                 :          4 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     851                 :            :                 }
     852   [ #  #  #  #  :     296615 :                 req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC;
          #  #  #  #  #  
                #  #  # ]
     853   [ #  #  #  #  :     296615 :                 req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_INVALID_OPCODE;
          #  #  #  #  #  
                #  #  # ]
     854   [ #  #  #  #  :     296615 :                 req->rsp->nvme_cpl.status.dnr = 1;
          #  #  #  #  #  
                #  #  # ]
     855                 :     296615 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     856                 :            :         }
     857                 :            : 
     858                 :          8 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     859                 :          4 : }
     860                 :            : 
     861                 :            : int
     862                 :        110 : spdk_nvmf_bdev_ctrlr_nvme_passthru_admin(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     863                 :            :                 struct spdk_io_channel *ch, struct spdk_nvmf_request *req,
     864                 :            :                 spdk_nvmf_nvme_passthru_cmd_cb cb_fn)
     865                 :            : {
     866                 :            :         int rc;
     867                 :            : 
     868   [ -  +  #  #  :        110 :         if (spdk_unlikely(req->iovcnt > 1)) {
                   #  # ]
     869   [ #  #  #  #  :          0 :                 req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC;
          #  #  #  #  #  
                #  #  # ]
     870   [ #  #  #  #  :          0 :                 req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
          #  #  #  #  #  
                #  #  # ]
     871   [ #  #  #  #  :          0 :                 req->rsp->nvme_cpl.status.dnr = 1;
          #  #  #  #  #  
                #  #  # ]
     872                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     873                 :            :         }
     874                 :            : 
     875   [ #  #  #  # ]:        110 :         req->cmd_cb_fn = cb_fn;
     876                 :            : 
     877   [ #  #  #  #  :        114 :         rc = spdk_bdev_nvme_admin_passthru(desc, ch, &req->cmd->nvme_cmd, req->iov[0].iov_base, req->length,
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
                      # ]
     878                 :          4 :                                            nvmf_bdev_ctrlr_complete_admin_cmd, req);
     879         [ +  + ]:        110 :         if (spdk_unlikely(rc)) {
     880         [ +  + ]:          8 :                 if (rc == -ENOMEM) {
     881                 :          4 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_admin_cmd_resubmit, req);
     882                 :          4 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     883                 :            :                 }
     884   [ #  #  #  #  :          4 :                 req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC;
          #  #  #  #  #  
                #  #  # ]
     885         [ +  - ]:          4 :                 if (rc == -ENOTSUP) {
     886   [ #  #  #  #  :          4 :                         req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_INVALID_OPCODE;
          #  #  #  #  #  
                #  #  # ]
     887                 :          1 :                 } else {
     888   [ #  #  #  #  :          0 :                         req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
          #  #  #  #  #  
                #  #  # ]
     889                 :            :                 }
     890                 :            : 
     891   [ #  #  #  #  :          4 :                 req->rsp->nvme_cpl.status.dnr = 1;
          #  #  #  #  #  
                #  #  # ]
     892                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     893                 :            :         }
     894                 :            : 
     895                 :        102 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     896                 :          4 : }
     897                 :            : 
     898                 :            : static void
     899                 :      91085 : nvmf_bdev_ctrlr_complete_abort_cmd(struct spdk_bdev_io *bdev_io, bool success, void *cb_arg)
     900                 :            : {
     901                 :      91085 :         struct spdk_nvmf_request *req = cb_arg;
     902                 :            : 
     903   [ +  +  #  # ]:      91085 :         if (success) {
     904   [ #  #  #  #  :      88562 :                 req->rsp->nvme_cpl.cdw0 &= ~1U;
          #  #  #  #  #  
                      # ]
     905                 :          0 :         }
     906                 :            : 
     907                 :      91085 :         spdk_nvmf_request_complete(req);
     908                 :      91085 :         spdk_bdev_free_io(bdev_io);
     909                 :      91085 : }
     910                 :            : 
     911                 :            : int
     912                 :      91085 : spdk_nvmf_bdev_ctrlr_abort_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     913                 :            :                                struct spdk_io_channel *ch, struct spdk_nvmf_request *req,
     914                 :            :                                struct spdk_nvmf_request *req_to_abort)
     915                 :            : {
     916                 :            :         int rc;
     917                 :            : 
     918   [ -  +  #  #  :      91085 :         assert((req->rsp->nvme_cpl.cdw0 & 1U) != 0);
          #  #  #  #  #  
             #  #  #  #  
                      # ]
     919                 :            : 
     920                 :      91085 :         rc = spdk_bdev_abort(desc, ch, req_to_abort, nvmf_bdev_ctrlr_complete_abort_cmd, req);
     921         [ +  - ]:      91085 :         if (spdk_likely(rc == 0)) {
     922                 :      91085 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     923         [ #  # ]:          0 :         } else if (rc == -ENOMEM) {
     924                 :          0 :                 nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_admin_cmd_resubmit, req);
     925                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     926                 :            :         } else {
     927                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     928                 :            :         }
     929                 :          0 : }
     930                 :            : 
     931                 :            : bool
     932                 :     628238 : nvmf_bdev_ctrlr_get_dif_ctx(struct spdk_bdev_desc *desc, struct spdk_nvme_cmd *cmd,
     933                 :            :                             struct spdk_dif_ctx *dif_ctx)
     934                 :            : {
     935                 :     628238 :         uint32_t init_ref_tag, dif_check_flags = 0;
     936                 :            :         int rc;
     937                 :          6 :         struct spdk_dif_ctx_init_ext_opts dif_opts;
     938                 :            : 
     939         [ +  + ]:     628238 :         if (spdk_bdev_desc_get_md_size(desc) == 0) {
     940                 :          4 :                 return false;
     941                 :            :         }
     942                 :            : 
     943                 :            :         /* Initial Reference Tag is the lower 32 bits of the start LBA. */
     944   [ #  #  #  # ]:     628234 :         init_ref_tag = (uint32_t)from_le64(&cmd->cdw10);
     945                 :            : 
     946         [ +  + ]:     628234 :         if (spdk_bdev_desc_is_dif_check_enabled(desc, SPDK_DIF_CHECK_TYPE_REFTAG)) {
     947         [ #  # ]:     594515 :                 dif_check_flags |= SPDK_DIF_FLAGS_REFTAG_CHECK;
     948                 :          0 :         }
     949                 :            : 
     950         [ +  + ]:     628234 :         if (spdk_bdev_desc_is_dif_check_enabled(desc, SPDK_DIF_CHECK_TYPE_GUARD)) {
     951         [ #  # ]:     628230 :                 dif_check_flags |= SPDK_DIF_FLAGS_GUARD_CHECK;
     952                 :          0 :         }
     953                 :            : 
     954                 :     628234 :         dif_opts.size = SPDK_SIZEOF(&dif_opts, dif_pi_format);
     955         [ #  # ]:     628234 :         dif_opts.dif_pi_format = SPDK_DIF_PI_FORMAT_16;
     956                 :    1256468 :         rc = spdk_dif_ctx_init(dif_ctx,
     957                 :          1 :                                spdk_bdev_desc_get_block_size(desc),
     958                 :          1 :                                spdk_bdev_desc_get_md_size(desc),
     959                 :     628234 :                                spdk_bdev_desc_is_md_interleaved(desc),
     960                 :     628234 :                                spdk_bdev_desc_is_dif_head_of_md(desc),
     961                 :          1 :                                spdk_bdev_desc_get_dif_type(desc),
     962                 :          1 :                                dif_check_flags,
     963                 :          1 :                                init_ref_tag, 0, 0, 0, 0, &dif_opts);
     964                 :            : 
     965                 :     628234 :         return (rc == 0) ? true : false;
     966                 :          2 : }
     967                 :            : 
     968                 :            : static void
     969                 :    1284889 : nvmf_bdev_ctrlr_zcopy_start_complete(struct spdk_bdev_io *bdev_io, bool success,
     970                 :            :                                      void *cb_arg)
     971                 :            : {
     972                 :    1284889 :         struct spdk_nvmf_request        *req = cb_arg;
     973                 :          0 :         struct iovec *iov;
     974                 :    1284889 :         int iovcnt = 0;
     975                 :            : 
     976   [ +  +  #  # ]:    1284889 :         if (spdk_unlikely(!success)) {
     977                 :      26203 :                 int                     sc = 0, sct = 0;
     978                 :      26203 :                 uint32_t                cdw0 = 0;
     979   [ #  #  #  #  :      26203 :                 struct spdk_nvme_cpl    *response = &req->rsp->nvme_cpl;
                   #  # ]
     980                 :      26203 :                 spdk_bdev_io_get_nvme_status(bdev_io, &cdw0, &sct, &sc);
     981                 :            : 
     982   [ #  #  #  # ]:      26203 :                 response->cdw0 = cdw0;
     983   [ #  #  #  #  :      26203 :                 response->status.sc = sc;
                   #  # ]
     984   [ #  #  #  #  :      26203 :                 response->status.sct = sct;
                   #  # ]
     985                 :            : 
     986                 :      26203 :                 spdk_bdev_free_io(bdev_io);
     987                 :      26203 :                 spdk_nvmf_request_complete(req);
     988                 :      26203 :                 return;
     989                 :            :         }
     990                 :            : 
     991                 :    1258686 :         spdk_bdev_io_get_iovec(bdev_io, &iov, &iovcnt);
     992                 :            : 
     993   [ -  +  #  # ]:    1258686 :         assert(iovcnt <= NVMF_REQ_MAX_BUFFERS);
     994   [ -  +  #  # ]:    1258686 :         assert(iovcnt > 0);
     995                 :            : 
     996   [ #  #  #  # ]:    1258686 :         req->iovcnt = iovcnt;
     997                 :            : 
     998   [ -  +  #  #  :    1258686 :         assert(req->iov == iov);
                   #  # ]
     999                 :            : 
    1000   [ #  #  #  # ]:    1258686 :         req->zcopy_bdev_io = bdev_io; /* Preserve the bdev_io for the end zcopy */
    1001                 :            : 
    1002                 :    1258686 :         spdk_nvmf_request_complete(req);
    1003                 :            :         /* Don't free the bdev_io here as it is needed for the END ZCOPY */
    1004                 :          0 : }
    1005                 :            : 
    1006                 :            : int
    1007                 :    1284901 : nvmf_bdev_ctrlr_zcopy_start(struct spdk_bdev *bdev,
    1008                 :            :                             struct spdk_bdev_desc *desc,
    1009                 :            :                             struct spdk_io_channel *ch,
    1010                 :            :                             struct spdk_nvmf_request *req)
    1011                 :            : {
    1012   [ #  #  #  #  :    1284901 :         struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
                   #  # ]
    1013                 :    1284901 :         uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
    1014                 :    1284901 :         uint32_t block_size = spdk_bdev_desc_get_block_size(desc);
    1015                 :          9 :         uint64_t start_lba;
    1016                 :          9 :         uint64_t num_blocks;
    1017                 :            :         int rc;
    1018                 :            : 
    1019   [ #  #  #  #  :    1284901 :         nvmf_bdev_ctrlr_get_rw_params(&req->cmd->nvme_cmd, &start_lba, &num_blocks);
                   #  # ]
    1020                 :            : 
    1021         [ +  + ]:    1284901 :         if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, start_lba, num_blocks))) {
    1022                 :          4 :                 SPDK_ERRLOG("end of media\n");
    1023   [ #  #  #  #  :          4 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
    1024   [ #  #  #  #  :          4 :                 rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
                   #  # ]
    1025                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
    1026                 :            :         }
    1027                 :            : 
    1028   [ +  +  #  #  :    1284897 :         if (spdk_unlikely(num_blocks * block_size > req->length)) {
                   #  # ]
    1029   [ #  #  #  # ]:          4 :                 SPDK_ERRLOG("Read NLB %" PRIu64 " * block size %" PRIu32 " > SGL length %" PRIu32 "\n",
    1030                 :            :                             num_blocks, block_size, req->length);
    1031   [ #  #  #  #  :          4 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
    1032   [ #  #  #  #  :          4 :                 rsp->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
                   #  # ]
    1033                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
    1034                 :            :         }
    1035                 :            : 
    1036   [ #  #  #  #  :    1284893 :         bool populate = (req->cmd->nvme_cmd.opc == SPDK_NVME_OPC_READ) ? true : false;
             #  #  #  # ]
    1037                 :            : 
    1038   [ #  #  #  #  :    1284894 :         rc = spdk_bdev_zcopy_start(desc, ch, req->iov, req->iovcnt, start_lba,
                   #  # ]
    1039         [ #  # ]:          1 :                                    num_blocks, populate, nvmf_bdev_ctrlr_zcopy_start_complete, req);
    1040         [ -  + ]:    1284893 :         if (spdk_unlikely(rc != 0)) {
    1041         [ #  # ]:          0 :                 if (rc == -ENOMEM) {
    1042                 :          0 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
    1043                 :          0 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
    1044                 :            :                 }
    1045   [ #  #  #  #  :          0 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
    1046   [ #  #  #  #  :          0 :                 rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
    1047                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
    1048                 :            :         }
    1049                 :            : 
    1050                 :    1284893 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
    1051                 :          3 : }
    1052                 :            : 
    1053                 :            : static void
    1054                 :    1258686 : nvmf_bdev_ctrlr_zcopy_end_complete(struct spdk_bdev_io *bdev_io, bool success,
    1055                 :            :                                    void *cb_arg)
    1056                 :            : {
    1057                 :    1258686 :         struct spdk_nvmf_request        *req = cb_arg;
    1058                 :            : 
    1059   [ +  +  #  # ]:    1258686 :         if (spdk_unlikely(!success)) {
    1060                 :      25697 :                 int                     sc = 0, sct = 0;
    1061                 :      25697 :                 uint32_t                cdw0 = 0;
    1062   [ #  #  #  #  :      25697 :                 struct spdk_nvme_cpl    *response = &req->rsp->nvme_cpl;
                   #  # ]
    1063                 :      25697 :                 spdk_bdev_io_get_nvme_status(bdev_io, &cdw0, &sct, &sc);
    1064                 :            : 
    1065   [ #  #  #  # ]:      25697 :                 response->cdw0 = cdw0;
    1066   [ #  #  #  #  :      25697 :                 response->status.sc = sc;
                   #  # ]
    1067   [ #  #  #  #  :      25697 :                 response->status.sct = sct;
                   #  # ]
    1068                 :          0 :         }
    1069                 :            : 
    1070                 :    1258686 :         spdk_bdev_free_io(bdev_io);
    1071   [ #  #  #  # ]:    1258686 :         req->zcopy_bdev_io = NULL;
    1072                 :    1258686 :         spdk_nvmf_request_complete(req);
    1073                 :    1258686 : }
    1074                 :            : 
    1075                 :            : void
    1076                 :    1258686 : nvmf_bdev_ctrlr_zcopy_end(struct spdk_nvmf_request *req, bool commit)
    1077                 :            : {
    1078                 :            :         int rc __attribute__((unused));
    1079                 :            : 
    1080   [ #  #  #  #  :    1258686 :         rc = spdk_bdev_zcopy_end(req->zcopy_bdev_io, commit, nvmf_bdev_ctrlr_zcopy_end_complete, req);
                   #  # ]
    1081                 :            : 
    1082                 :            :         /* The only way spdk_bdev_zcopy_end() can fail is if we pass a bdev_io type that isn't ZCOPY */
    1083   [ -  +  #  # ]:    1258686 :         assert(rc == 0);
    1084                 :    1258686 : }

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