LCOV - code coverage report
Current view: top level - spdk/lib/nvmf - ctrlr_bdev.c (source / functions) Hit Total Coverage
Test: Combined Lines: 477 646 73.8 %
Date: 2024-12-09 18:25:38 Functions: 31 35 88.6 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 321 1868 17.2 %

           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                 :       5676 : 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         [ +  + ]:       9041 :         for (ns = spdk_nvmf_subsystem_get_first_ns(subsystem); ns != NULL;
      32                 :       3365 :              ns = spdk_nvmf_subsystem_get_next_ns(subsystem, ns)) {
      33   [ +  +  +  -  :       3725 :                 if (ns->bdev == NULL) {
                   +  - ]
      34                 :          0 :                         continue;
      35                 :            :                 }
      36                 :            : 
      37   [ +  +  +  -  :       3725 :                 if (!spdk_bdev_io_type_supported(ns->bdev, io_type)) {
                   +  - ]
      38   [ -  +  -  +  :        360 :                         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                 :        360 :                         return false;
      43                 :            :                 }
      44                 :       1556 :         }
      45                 :            : 
      46   [ +  +  +  +  :       5316 :         SPDK_DEBUGLOG(nvmf, "All devices in Subsystem %s support io_type %d\n",
                   +  - ]
      47                 :            :                       spdk_nvmf_subsystem_get_nqn(subsystem), (int)io_type);
      48                 :       5316 :         return true;
      49                 :       1556 : }
      50                 :            : 
      51                 :            : bool
      52                 :       2838 : nvmf_ctrlr_dsm_supported(struct spdk_nvmf_ctrlr *ctrlr)
      53                 :            : {
      54   [ +  -  +  - ]:       2838 :         return nvmf_subsystem_bdev_io_type_supported(ctrlr->subsys, SPDK_BDEV_IO_TYPE_UNMAP);
      55                 :            : }
      56                 :            : 
      57                 :            : bool
      58                 :       2838 : nvmf_ctrlr_write_zeroes_supported(struct spdk_nvmf_ctrlr *ctrlr)
      59                 :            : {
      60   [ +  -  +  - ]:       2838 :         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                 :   21049467 : nvmf_bdev_ctrlr_complete_cmd(struct spdk_bdev_io *bdev_io, bool success,
      71                 :            :                              void *cb_arg)
      72                 :            : {
      73                 :   21049467 :         struct spdk_nvmf_request        *req = cb_arg;
      74   [ +  -  +  -  :   21049467 :         struct spdk_nvme_cpl            *response = &req->rsp->nvme_cpl;
                   +  - ]
      75                 :   21049467 :         int                             sc = 0, sct = 0;
      76                 :   21049467 :         uint32_t                        cdw0 = 0;
      77                 :            : 
      78   [ +  +  +  -  :   21049467 :         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                 :   21046350 :                 spdk_bdev_io_get_nvme_status(bdev_io, &cdw0, &sct, &sc);
      95                 :            :         }
      96                 :            : 
      97   [ +  -  +  - ]:   21049467 :         response->cdw0 = cdw0;
      98   [ +  -  +  -  :   21049467 :         response->status.sc = sc;
                   +  - ]
      99   [ +  -  +  -  :   21049467 :         response->status.sct = sct;
                   +  - ]
     100                 :            : 
     101                 :   21049467 :         spdk_nvmf_request_complete(req);
     102                 :   21049467 :         spdk_bdev_free_io(bdev_io);
     103                 :   21049467 : }
     104                 :            : 
     105                 :            : static void
     106                 :        100 : nvmf_bdev_ctrlr_complete_admin_cmd(struct spdk_bdev_io *bdev_io, bool success,
     107                 :            :                                    void *cb_arg)
     108                 :            : {
     109                 :        100 :         struct spdk_nvmf_request *req = cb_arg;
     110                 :            : 
     111   [ +  +  #  #  :        100 :         if (req->cmd_cb_fn) {
                   #  # ]
     112   [ #  #  #  #  :         94 :                 req->cmd_cb_fn(req);
             #  #  #  # ]
     113                 :          0 :         }
     114                 :            : 
     115         [ #  # ]:        100 :         nvmf_bdev_ctrlr_complete_cmd(bdev_io, success, req);
     116                 :        100 : }
     117                 :            : 
     118                 :            : void
     119                 :       2519 : nvmf_bdev_ctrlr_identify_ns(struct spdk_nvmf_ns *ns, struct spdk_nvme_ns_data *nsdata,
     120                 :            :                             bool dif_insert_or_strip)
     121                 :            : {
     122   [ +  -  +  - ]:       2519 :         struct spdk_bdev *bdev = ns->bdev;
     123   [ +  -  +  - ]:       2519 :         struct spdk_bdev_desc *desc = ns->desc;
     124                 :            :         uint64_t num_blocks;
     125                 :            :         uint32_t phys_blocklen;
     126                 :            :         uint32_t max_copy;
     127                 :            : 
     128                 :       2519 :         num_blocks = spdk_bdev_get_num_blocks(bdev);
     129                 :            : 
     130   [ +  -  +  - ]:       2519 :         nsdata->nsze = num_blocks;
     131   [ +  -  +  - ]:       2519 :         nsdata->ncap = num_blocks;
     132   [ +  -  +  - ]:       2519 :         nsdata->nuse = num_blocks;
     133   [ +  -  +  - ]:       2519 :         nsdata->nlbaf = 0;
     134   [ +  -  +  - ]:       2519 :         nsdata->flbas.format = 0;
     135   [ +  -  +  - ]:       2519 :         nsdata->flbas.msb_format = 0;
     136   [ +  -  +  -  :       2519 :         nsdata->nacwu = spdk_bdev_get_acwu(bdev) - 1; /* nacwu is 0-based */
                   +  - ]
     137   [ +  +  -  + ]:       2519 :         if (!dif_insert_or_strip) {
     138   [ +  -  +  -  :       2486 :                 nsdata->lbaf[0].ms = spdk_bdev_desc_get_md_size(desc);
             +  -  +  - ]
     139   [ +  -  +  -  :       2486 :                 nsdata->lbaf[0].lbads = spdk_u32log2(spdk_bdev_desc_get_block_size(desc));
             +  -  +  - ]
     140   [ +  +  +  -  :       2486 :                 if (nsdata->lbaf[0].ms != 0) {
          +  -  +  -  +  
                      - ]
     141   [ #  #  #  # ]:          3 :                         nsdata->flbas.extended = 1;
     142   [ #  #  #  # ]:          3 :                         nsdata->mc.extended = 1;
     143   [ #  #  #  # ]:          3 :                         nsdata->mc.pointer = 0;
     144   [ #  #  #  # ]:          3 :                         nsdata->dps.md_start = spdk_bdev_desc_is_dif_head_of_md(desc);
     145                 :            : 
     146   [ +  -  -  - ]:          3 :                         switch (spdk_bdev_get_dif_type(bdev)) {
     147                 :          3 :                         case SPDK_DIF_TYPE1:
     148   [ #  #  #  # ]:          3 :                                 nsdata->dpc.pit1 = 1;
     149   [ #  #  #  # ]:          3 :                                 nsdata->dps.pit = SPDK_NVME_FMT_NVM_PROTECTION_TYPE1;
     150                 :          3 :                                 break;
     151                 :          0 :                         case SPDK_DIF_TYPE2:
     152   [ #  #  #  # ]:          0 :                                 nsdata->dpc.pit2 = 1;
     153   [ #  #  #  # ]:          0 :                                 nsdata->dps.pit = SPDK_NVME_FMT_NVM_PROTECTION_TYPE2;
     154                 :          0 :                                 break;
     155                 :          0 :                         case SPDK_DIF_TYPE3:
     156   [ #  #  #  # ]:          0 :                                 nsdata->dpc.pit3 = 1;
     157   [ #  #  #  # ]:          0 :                                 nsdata->dps.pit = SPDK_NVME_FMT_NVM_PROTECTION_TYPE3;
     158                 :          0 :                                 break;
     159                 :          0 :                         default:
     160   [ #  #  #  #  :          0 :                                 SPDK_DEBUGLOG(nvmf, "Protection Disabled\n");
                   #  # ]
     161   [ #  #  #  # ]:          0 :                                 nsdata->dps.pit = SPDK_NVME_FMT_NVM_PROTECTION_DISABLE;
     162                 :          0 :                                 break;
     163                 :            :                         }
     164                 :          0 :                 }
     165                 :        778 :         } else {
     166   [ #  #  #  #  :         33 :                 nsdata->lbaf[0].ms = 0;
             #  #  #  # ]
     167   [ #  #  #  #  :         33 :                 nsdata->lbaf[0].lbads = spdk_u32log2(spdk_bdev_get_data_block_size(bdev));
             #  #  #  # ]
     168                 :            :         }
     169                 :            : 
     170                 :       2519 :         phys_blocklen = spdk_bdev_get_physical_block_size(bdev);
     171   [ +  +  #  # ]:       2519 :         assert(phys_blocklen > 0);
     172                 :            :         /* Linux driver uses min(nawupf, npwg) to set physical_block_size */
     173   [ +  -  +  - ]:       2519 :         nsdata->nsfeat.optperf = 1;
     174   [ +  -  +  - ]:       2519 :         nsdata->nsfeat.ns_atomic_write_unit = 1;
     175   [ +  +  +  -  :       2519 :         nsdata->npwg = (phys_blocklen >> nsdata->lbaf[0].lbads) - 1;
          +  -  +  -  +  
             -  +  -  +  
                      - ]
     176   [ +  -  +  -  :       2519 :         nsdata->nawupf = nsdata->npwg;
             +  -  +  - ]
     177   [ +  -  +  -  :       2519 :         nsdata->npwa = nsdata->npwg;
             +  -  +  - ]
     178   [ +  -  +  -  :       2519 :         nsdata->npdg = nsdata->npwg;
             +  -  +  - ]
     179   [ +  -  +  -  :       2519 :         nsdata->npda = nsdata->npwg;
             +  -  +  - ]
     180                 :            : 
     181         [ +  + ]:       2519 :         if (spdk_bdev_get_write_unit_size(bdev) == 1) {
     182   [ +  -  +  - ]:       2519 :                 nsdata->noiob = spdk_bdev_get_optimal_io_boundary(bdev);
     183                 :        778 :         }
     184   [ +  -  +  - ]:       2519 :         nsdata->nmic.can_share = 1;
     185         [ +  + ]:       2519 :         if (nvmf_ns_is_ptpl_capable(ns)) {
     186   [ #  #  #  #  :          6 :                 nsdata->nsrescap.rescap.persist = 1;
                   #  # ]
     187                 :          0 :         }
     188   [ +  -  +  -  :       2519 :         nsdata->nsrescap.rescap.write_exclusive = 1;
                   +  - ]
     189   [ +  -  +  -  :       2519 :         nsdata->nsrescap.rescap.exclusive_access = 1;
                   +  - ]
     190   [ +  -  +  -  :       2519 :         nsdata->nsrescap.rescap.write_exclusive_reg_only = 1;
                   +  - ]
     191   [ +  -  +  -  :       2519 :         nsdata->nsrescap.rescap.exclusive_access_reg_only = 1;
                   +  - ]
     192   [ +  -  +  -  :       2519 :         nsdata->nsrescap.rescap.write_exclusive_all_reg = 1;
                   +  - ]
     193   [ +  -  +  -  :       2519 :         nsdata->nsrescap.rescap.exclusive_access_all_reg = 1;
                   +  - ]
     194   [ +  -  +  -  :       2519 :         nsdata->nsrescap.rescap.ignore_existing_key = 1;
                   +  - ]
     195                 :            : 
     196                 :            :         SPDK_STATIC_ASSERT(sizeof(nsdata->nguid) == sizeof(ns->opts.nguid), "size mismatch");
     197   [ +  -  +  -  :       2519 :         memcpy(nsdata->nguid, ns->opts.nguid, sizeof(nsdata->nguid));
          +  -  +  -  +  
                      - ]
     198                 :            : 
     199                 :            :         SPDK_STATIC_ASSERT(sizeof(nsdata->eui64) == sizeof(ns->opts.eui64), "size mismatch");
     200   [ +  -  +  -  :       2519 :         memcpy(&nsdata->eui64, ns->opts.eui64, sizeof(nsdata->eui64));
          +  -  +  -  +  
                      - ]
     201                 :            : 
     202                 :            :         /* For now we support just one source range for copy command */
     203   [ +  -  +  - ]:       2519 :         nsdata->msrc = 0;
     204                 :            : 
     205                 :       2519 :         max_copy = spdk_bdev_get_max_copy(bdev);
     206   [ +  +  -  + ]:       2519 :         if (max_copy == 0 || max_copy > UINT16_MAX) {
     207                 :            :                 /* Zero means copy size is unlimited */
     208   [ +  -  +  - ]:       1713 :                 nsdata->mcl = UINT16_MAX;
     209   [ +  -  +  - ]:       1713 :                 nsdata->mssrl = UINT16_MAX;
     210                 :        778 :         } else {
     211   [ #  #  #  # ]:        806 :                 nsdata->mcl = max_copy;
     212   [ #  #  #  # ]:        806 :                 nsdata->mssrl = max_copy;
     213                 :            :         }
     214                 :       2519 : }
     215                 :            : 
     216                 :            : void
     217                 :          0 : nvmf_bdev_ctrlr_identify_iocs_nvm(struct spdk_nvmf_ns *ns,
     218                 :            :                                   struct spdk_nvme_nvm_ns_data *nsdata_nvm)
     219                 :            : {
     220   [ #  #  #  # ]:          0 :         struct spdk_bdev_desc *desc = ns->desc;
     221                 :            :         uint8_t _16bpists;
     222                 :            :         uint32_t sts, pif;
     223                 :            : 
     224         [ #  # ]:          0 :         if (spdk_bdev_desc_get_dif_type(desc) == SPDK_DIF_DISABLE) {
     225                 :          0 :                 return;
     226                 :            :         }
     227                 :            : 
     228                 :          0 :         pif = spdk_bdev_desc_get_dif_pi_format(desc);
     229                 :            : 
     230                 :            :         /*
     231                 :            :          * 16BPISTS shall be 1 for 32/64b Guard PI.
     232                 :            :          * STCRS shall be 1 if 16BPISTS is 1.
     233                 :            :          * 16 is the minimum value of STS for 32b Guard PI.
     234                 :            :          */
     235   [ #  #  #  # ]:          0 :         switch (pif) {
     236                 :          0 :         case SPDK_DIF_PI_FORMAT_16:
     237                 :          0 :                 _16bpists = 0;
     238                 :          0 :                 sts = 0;
     239                 :          0 :                 break;
     240                 :          0 :         case SPDK_DIF_PI_FORMAT_32:
     241                 :          0 :                 _16bpists = 1;
     242                 :          0 :                 sts = 16;
     243                 :          0 :                 break;
     244                 :          0 :         case SPDK_DIF_PI_FORMAT_64:
     245                 :          0 :                 _16bpists = 1;
     246                 :          0 :                 sts = 0;
     247                 :          0 :                 break;
     248                 :          0 :         default:
     249                 :          0 :                 SPDK_WARNLOG("PI format %u is not supported\n", pif);
     250                 :          0 :                 return;
     251                 :            :         }
     252                 :            : 
     253                 :            :         /* For 16b Guard PI, Storage Tag is not available because we set STS to 0.
     254                 :            :          * In this case, we do not have to set 16BPISTM to 1. For simplicity,
     255                 :            :          * set 16BPISTM to 0 and set LBSTM to all zeroes.
     256                 :            :          *
     257                 :            :          * We will revisit here when we find any OS uses Storage Tag.
     258                 :            :          */
     259   [ #  #  #  # ]:          0 :         nsdata_nvm->lbstm = 0;
     260   [ #  #  #  # ]:          0 :         nsdata_nvm->pic._16bpistm = 0;
     261                 :            : 
     262   [ #  #  #  # ]:          0 :         nsdata_nvm->pic._16bpists = _16bpists;
     263   [ #  #  #  # ]:          0 :         nsdata_nvm->pic.stcrs = 0;
     264   [ #  #  #  #  :          0 :         nsdata_nvm->elbaf[0].sts = sts;
             #  #  #  # ]
     265   [ #  #  #  #  :          0 :         nsdata_nvm->elbaf[0].pif = pif;
             #  #  #  # ]
     266                 :          0 : }
     267                 :            : 
     268                 :            : static void
     269                 :   22185640 : nvmf_bdev_ctrlr_get_rw_params(const struct spdk_nvme_cmd *cmd, uint64_t *start_lba,
     270                 :            :                               uint64_t *num_blocks)
     271                 :            : {
     272                 :            :         /* SLBA: CDW10 and CDW11 */
     273   [ +  -  +  -  :   22185640 :         *start_lba = from_le64(&cmd->cdw10);
                   +  - ]
     274                 :            : 
     275                 :            :         /* NLB: CDW12 bits 15:00, 0's based */
     276   [ +  -  +  -  :   22185640 :         *num_blocks = (from_le32(&cmd->cdw12) & 0xFFFFu) + 1;
                   +  - ]
     277                 :   22185640 : }
     278                 :            : 
     279                 :            : static void
     280                 :   21151649 : nvmf_bdev_ctrlr_get_rw_ext_params(const struct spdk_nvme_cmd *cmd,
     281                 :            :                                   struct spdk_bdev_ext_io_opts *opts)
     282                 :            : {
     283                 :            :         /* Get CDW12 values */
     284   [ +  -  +  -  :   21151649 :         opts->nvme_cdw12.raw = from_le32(&cmd->cdw12);
          +  -  +  -  +  
                      - ]
     285                 :            : 
     286                 :            :         /* Get CDW13 values */
     287   [ +  -  +  -  :   21151649 :         opts->nvme_cdw13.raw = from_le32(&cmd->cdw13);
          +  -  +  -  +  
                      - ]
     288                 :            : 
     289                 :            :         /* Bdev layer checks PRACT in CDW12 because it is NVMe specific, but
     290                 :            :          * it does not check DIF check flags in CDW because DIF is not NVMe
     291                 :            :          * specific. Hence, copy DIF check flags from CDW12 to dif_check_flags_exclude_mask.
     292                 :            :          */
     293   [ +  -  +  -  :   21151649 :         opts->dif_check_flags_exclude_mask = (~opts->nvme_cdw12.raw) & SPDK_NVME_IO_FLAGS_PRCHK_MASK;
          +  -  +  -  +  
                      - ]
     294                 :   21151649 : }
     295                 :            : 
     296                 :            : static bool
     297                 :   22182538 : nvmf_bdev_ctrlr_lba_in_range(uint64_t bdev_num_blocks, uint64_t io_start_lba,
     298                 :            :                              uint64_t io_num_blocks)
     299                 :            : {
     300   [ +  +  -  + ]:   22182538 :         if (io_start_lba + io_num_blocks > bdev_num_blocks ||
     301         [ +  + ]:   22180025 :             io_start_lba + io_num_blocks < io_start_lba) {
     302                 :       2519 :                 return false;
     303                 :            :         }
     304                 :            : 
     305                 :   22180019 :         return true;
     306                 :     137230 : }
     307                 :            : 
     308                 :            : static void
     309                 :     111851 : nvmf_ctrlr_process_io_cmd_resubmit(void *arg)
     310                 :            : {
     311                 :     111851 :         struct spdk_nvmf_request *req = arg;
     312                 :            :         int rc;
     313                 :            : 
     314                 :     111851 :         rc = nvmf_ctrlr_process_io_cmd(req);
     315         [ -  + ]:     111851 :         if (rc == SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE) {
     316                 :          0 :                 spdk_nvmf_request_complete(req);
     317                 :          0 :         }
     318                 :     111851 : }
     319                 :            : 
     320                 :            : static void
     321                 :          0 : nvmf_ctrlr_process_admin_cmd_resubmit(void *arg)
     322                 :            : {
     323                 :          0 :         struct spdk_nvmf_request *req = arg;
     324                 :            :         int rc;
     325                 :            : 
     326                 :          0 :         rc = nvmf_ctrlr_process_admin_cmd(req);
     327         [ #  # ]:          0 :         if (rc == SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE) {
     328                 :          0 :                 spdk_nvmf_request_complete(req);
     329                 :          0 :         }
     330                 :          0 : }
     331                 :            : 
     332                 :            : static void
     333                 :     169847 : nvmf_bdev_ctrl_queue_io(struct spdk_nvmf_request *req, struct spdk_bdev *bdev,
     334                 :            :                         struct spdk_io_channel *ch, spdk_bdev_io_wait_cb cb_fn, void *cb_arg)
     335                 :            : {
     336                 :            :         int rc;
     337                 :            : 
     338   [ #  #  #  #  :     169847 :         req->bdev_io_wait.bdev = bdev;
                   #  # ]
     339   [ #  #  #  #  :     169847 :         req->bdev_io_wait.cb_fn = cb_fn;
                   #  # ]
     340   [ #  #  #  #  :     169847 :         req->bdev_io_wait.cb_arg = cb_arg;
                   #  # ]
     341                 :            : 
     342         [ #  # ]:     169847 :         rc = spdk_bdev_queue_io_wait(bdev, ch, &req->bdev_io_wait);
     343         [ -  + ]:     169847 :         if (rc != 0) {
     344         [ #  # ]:          0 :                 assert(false);
     345                 :            :         }
     346   [ #  #  #  #  :     169847 :         req->qpair->group->stat.pending_bdev_io++;
          #  #  #  #  #  
                #  #  # ]
     347                 :     169847 : }
     348                 :            : 
     349                 :            : bool
     350                 :          0 : nvmf_bdev_zcopy_enabled(struct spdk_bdev *bdev)
     351                 :            : {
     352                 :          0 :         return spdk_bdev_io_type_supported(bdev, SPDK_BDEV_IO_TYPE_ZCOPY);
     353                 :            : }
     354                 :            : 
     355                 :            : int
     356                 :   11869059 : nvmf_bdev_ctrlr_read_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     357                 :            :                          struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
     358                 :            : {
     359                 :   47064405 :         struct spdk_bdev_ext_io_opts opts = {
     360                 :            :                 .size = SPDK_SIZEOF(&opts, accel_sequence),
     361   [ +  -  +  - ]:   11869059 :                 .memory_domain = req->memory_domain,
     362   [ +  -  +  - ]:   11869059 :                 .memory_domain_ctx = req->memory_domain_ctx,
     363   [ +  -  +  - ]:   11869059 :                 .accel_sequence = req->accel_sequence,
     364                 :            :         };
     365                 :   11869059 :         uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
     366                 :   11869059 :         uint32_t block_size = spdk_bdev_desc_get_block_size(desc);
     367   [ +  -  +  -  :   11869059 :         struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
                   +  - ]
     368   [ +  -  +  -  :   11869059 :         struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
                   +  - ]
     369                 :     137277 :         uint64_t start_lba;
     370                 :     137277 :         uint64_t num_blocks;
     371                 :            :         int rc;
     372                 :            : 
     373                 :   11869059 :         nvmf_bdev_ctrlr_get_rw_params(cmd, &start_lba, &num_blocks);
     374                 :   11869059 :         nvmf_bdev_ctrlr_get_rw_ext_params(cmd, &opts);
     375                 :            : 
     376         [ -  + ]:   11869059 :         if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, start_lba, num_blocks))) {
     377                 :          0 :                 SPDK_ERRLOG("end of media\n");
     378   [ #  #  #  #  :          0 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     379   [ #  #  #  #  :          0 :                 rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
                   #  # ]
     380                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     381                 :            :         }
     382                 :            : 
     383   [ +  +  +  -  :   11869059 :         if (spdk_unlikely(num_blocks * block_size > req->length)) {
                   -  + ]
     384   [ #  #  #  # ]:          1 :                 SPDK_ERRLOG("Read NLB %" PRIu64 " * block size %" PRIu32 " > SGL length %" PRIu32 "\n",
     385                 :            :                             num_blocks, block_size, req->length);
     386   [ #  #  #  #  :          1 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     387   [ #  #  #  #  :          1 :                 rsp->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
                   #  # ]
     388                 :          1 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     389                 :            :         }
     390                 :            : 
     391   [ +  +  #  # ]:   11869058 :         assert(!spdk_nvmf_request_using_zcopy(req));
     392                 :            : 
     393   [ +  -  +  -  :   11869058 :         rc = spdk_bdev_readv_blocks_ext(desc, ch, req->iov, req->iovcnt, start_lba, num_blocks,
                   +  - ]
     394                 :      68615 :                                         nvmf_bdev_ctrlr_complete_cmd, req, &opts);
     395         [ +  + ]:   11869058 :         if (spdk_unlikely(rc)) {
     396         [ +  - ]:      54134 :                 if (rc == -ENOMEM) {
     397                 :      54134 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
     398                 :      54134 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     399                 :            :                 }
     400   [ #  #  #  #  :          0 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     401   [ #  #  #  #  :          0 :                 rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     402                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     403                 :            :         }
     404                 :            : 
     405                 :   11814924 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     406                 :      68615 : }
     407                 :            : 
     408                 :            : int
     409                 :    9282587 : nvmf_bdev_ctrlr_write_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     410                 :            :                           struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
     411                 :            : {
     412                 :   36795740 :         struct spdk_bdev_ext_io_opts opts = {
     413                 :            :                 .size = SPDK_SIZEOF(&opts, nvme_cdw13),
     414   [ +  -  +  - ]:    9282587 :                 .memory_domain = req->memory_domain,
     415   [ +  -  +  - ]:    9282587 :                 .memory_domain_ctx = req->memory_domain_ctx,
     416   [ +  -  +  - ]:    9282587 :                 .accel_sequence = req->accel_sequence,
     417                 :            :         };
     418                 :    9282587 :         uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
     419                 :    9282587 :         uint32_t block_size = spdk_bdev_desc_get_block_size(desc);
     420   [ +  -  +  -  :    9282587 :         struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
                   +  - ]
     421   [ +  -  +  -  :    9282587 :         struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
                   +  - ]
     422                 :     111536 :         uint64_t start_lba;
     423                 :     111536 :         uint64_t num_blocks;
     424                 :            :         int rc;
     425                 :            : 
     426                 :    9282587 :         nvmf_bdev_ctrlr_get_rw_params(cmd, &start_lba, &num_blocks);
     427                 :    9282587 :         nvmf_bdev_ctrlr_get_rw_ext_params(cmd, &opts);
     428                 :            : 
     429         [ -  + ]:    9282587 :         if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, start_lba, num_blocks))) {
     430                 :          0 :                 SPDK_ERRLOG("end of media\n");
     431   [ #  #  #  #  :          0 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     432   [ #  #  #  #  :          0 :                 rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
                   #  # ]
     433                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     434                 :            :         }
     435                 :            : 
     436   [ +  +  +  -  :    9282587 :         if (spdk_unlikely(num_blocks * block_size > req->length)) {
                   -  + ]
     437   [ #  #  #  # ]:          0 :                 SPDK_ERRLOG("Write NLB %" PRIu64 " * block size %" PRIu32 " > SGL length %" PRIu32 "\n",
     438                 :            :                             num_blocks, block_size, req->length);
     439   [ #  #  #  #  :          0 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     440   [ #  #  #  #  :          0 :                 rsp->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
                   #  # ]
     441                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     442                 :            :         }
     443                 :            : 
     444   [ +  +  #  # ]:    9282587 :         assert(!spdk_nvmf_request_using_zcopy(req));
     445                 :            : 
     446   [ +  -  +  -  :    9282587 :         rc = spdk_bdev_writev_blocks_ext(desc, ch, req->iov, req->iovcnt, start_lba, num_blocks,
                   +  - ]
     447                 :      68615 :                                          nvmf_bdev_ctrlr_complete_cmd, req, &opts);
     448         [ +  + ]:    9282587 :         if (spdk_unlikely(rc)) {
     449         [ +  - ]:      57717 :                 if (rc == -ENOMEM) {
     450                 :      57717 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
     451                 :      57717 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     452                 :            :                 }
     453   [ #  #  #  #  :          0 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     454   [ #  #  #  #  :          0 :                 rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     455                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     456                 :            :         }
     457                 :            : 
     458                 :    9224870 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     459                 :      68615 : }
     460                 :            : 
     461                 :            : int
     462                 :         12 : nvmf_bdev_ctrlr_compare_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     463                 :            :                             struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
     464                 :            : {
     465                 :         12 :         uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
     466                 :         12 :         uint32_t block_size = spdk_bdev_desc_get_block_size(desc);
     467   [ #  #  #  #  :         12 :         struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
                   #  # ]
     468   [ #  #  #  #  :         12 :         struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
                   #  # ]
     469                 :         12 :         uint64_t start_lba;
     470                 :         12 :         uint64_t num_blocks;
     471                 :            :         int rc;
     472                 :            : 
     473                 :         12 :         nvmf_bdev_ctrlr_get_rw_params(cmd, &start_lba, &num_blocks);
     474                 :            : 
     475         [ +  + ]:         12 :         if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, start_lba, num_blocks))) {
     476                 :          3 :                 SPDK_ERRLOG("end of media\n");
     477   [ #  #  #  #  :          3 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     478   [ #  #  #  #  :          3 :                 rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
                   #  # ]
     479                 :          3 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     480                 :            :         }
     481                 :            : 
     482   [ +  +  #  #  :          9 :         if (spdk_unlikely(num_blocks * block_size > req->length)) {
                   #  # ]
     483   [ #  #  #  # ]:          3 :                 SPDK_ERRLOG("Compare NLB %" PRIu64 " * block size %" PRIu32 " > SGL length %" PRIu32 "\n",
     484                 :            :                             num_blocks, block_size, req->length);
     485   [ #  #  #  #  :          3 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     486   [ #  #  #  #  :          3 :                 rsp->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
                   #  # ]
     487                 :          3 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     488                 :            :         }
     489                 :            : 
     490   [ #  #  #  #  :          6 :         rc = spdk_bdev_comparev_blocks(desc, ch, req->iov, req->iovcnt, start_lba, num_blocks,
                   #  # ]
     491                 :          0 :                                        nvmf_bdev_ctrlr_complete_cmd, req);
     492         [ +  + ]:          6 :         if (spdk_unlikely(rc)) {
     493         [ -  + ]:          3 :                 if (rc == -ENOMEM) {
     494                 :          0 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
     495                 :          0 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     496                 :            :                 }
     497   [ #  #  #  #  :          3 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     498   [ #  #  #  #  :          3 :                 rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     499                 :          3 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     500                 :            :         }
     501                 :            : 
     502                 :          3 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     503                 :          0 : }
     504                 :            : 
     505                 :            : int
     506                 :       3129 : nvmf_bdev_ctrlr_compare_and_write_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     507                 :            :                                       struct spdk_io_channel *ch, struct spdk_nvmf_request *cmp_req, struct spdk_nvmf_request *write_req)
     508                 :            : {
     509                 :       3129 :         uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
     510                 :       3129 :         uint32_t block_size = spdk_bdev_desc_get_block_size(desc);
     511   [ #  #  #  #  :       3129 :         struct spdk_nvme_cmd *cmp_cmd = &cmp_req->cmd->nvme_cmd;
                   #  # ]
     512   [ #  #  #  #  :       3129 :         struct spdk_nvme_cmd *write_cmd = &write_req->cmd->nvme_cmd;
                   #  # ]
     513   [ #  #  #  #  :       3129 :         struct spdk_nvme_cpl *rsp = &write_req->rsp->nvme_cpl;
                   #  # ]
     514                 :         12 :         uint64_t write_start_lba, cmp_start_lba;
     515                 :         12 :         uint64_t write_num_blocks, cmp_num_blocks;
     516                 :            :         int rc;
     517                 :            : 
     518                 :       3129 :         nvmf_bdev_ctrlr_get_rw_params(cmp_cmd, &cmp_start_lba, &cmp_num_blocks);
     519                 :       3129 :         nvmf_bdev_ctrlr_get_rw_params(write_cmd, &write_start_lba, &write_num_blocks);
     520                 :            : 
     521   [ +  -  +  + ]:       3129 :         if (spdk_unlikely(write_start_lba != cmp_start_lba || write_num_blocks != cmp_num_blocks)) {
     522                 :          3 :                 SPDK_ERRLOG("Fused command start lba / num blocks mismatch\n");
     523   [ #  #  #  #  :          3 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     524   [ #  #  #  #  :          3 :                 rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD;
                   #  # ]
     525                 :          3 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     526                 :            :         }
     527                 :            : 
     528         [ +  + ]:       3126 :         if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, write_start_lba,
     529                 :            :                           write_num_blocks))) {
     530                 :          3 :                 SPDK_ERRLOG("end of media\n");
     531   [ #  #  #  #  :          3 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     532   [ #  #  #  #  :          3 :                 rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
                   #  # ]
     533                 :          3 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     534                 :            :         }
     535                 :            : 
     536   [ +  +  #  #  :       3123 :         if (spdk_unlikely(write_num_blocks * block_size > write_req->length)) {
                   #  # ]
     537   [ #  #  #  # ]:          3 :                 SPDK_ERRLOG("Write NLB %" PRIu64 " * block size %" PRIu32 " > SGL length %" PRIu32 "\n",
     538                 :            :                             write_num_blocks, block_size, write_req->length);
     539   [ #  #  #  #  :          3 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     540   [ #  #  #  #  :          3 :                 rsp->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
                   #  # ]
     541                 :          3 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     542                 :            :         }
     543                 :            : 
     544   [ #  #  #  #  :       3120 :         rc = spdk_bdev_comparev_and_writev_blocks(desc, ch, cmp_req->iov, cmp_req->iovcnt, write_req->iov,
             #  #  #  # ]
     545   [ #  #  #  # ]:       3120 :                         write_req->iovcnt, write_start_lba, write_num_blocks, nvmf_bdev_ctrlr_complete_cmd, write_req);
     546         [ -  + ]:       3120 :         if (spdk_unlikely(rc)) {
     547         [ #  # ]:          0 :                 if (rc == -ENOMEM) {
     548                 :          0 :                         nvmf_bdev_ctrl_queue_io(cmp_req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, cmp_req);
     549                 :          0 :                         nvmf_bdev_ctrl_queue_io(write_req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, write_req);
     550                 :          0 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     551                 :            :                 }
     552   [ #  #  #  #  :          0 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     553   [ #  #  #  #  :          0 :                 rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     554                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     555                 :            :         }
     556                 :            : 
     557                 :       3120 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     558                 :          0 : }
     559                 :            : 
     560                 :            : int
     561                 :       6013 : nvmf_bdev_ctrlr_write_zeroes_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     562                 :            :                                  struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
     563                 :            : {
     564                 :       6013 :         uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
     565   [ #  #  #  #  :       6013 :         struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
                   #  # ]
     566   [ #  #  #  #  :       6013 :         struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
                   #  # ]
     567   [ #  #  #  #  :       6013 :         uint64_t max_write_zeroes_size = req->qpair->ctrlr->subsys->max_write_zeroes_size_kib;
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
     568                 :         12 :         uint64_t start_lba;
     569                 :         12 :         uint64_t num_blocks;
     570                 :            :         int rc;
     571                 :            : 
     572                 :       6013 :         nvmf_bdev_ctrlr_get_rw_params(cmd, &start_lba, &num_blocks);
     573   [ +  +  +  +  :       6013 :         if (spdk_unlikely(max_write_zeroes_size > 0 &&
             +  -  #  # ]
     574                 :            :                           num_blocks > (max_write_zeroes_size << 10) / spdk_bdev_desc_get_block_size(desc))) {
     575                 :          3 :                 SPDK_ERRLOG("invalid write zeroes size, should not exceed %" PRIu64 "Kib\n", max_write_zeroes_size);
     576   [ #  #  #  #  :          3 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     577   [ #  #  #  #  :          3 :                 rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD;
                   #  # ]
     578                 :          3 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     579                 :            :         }
     580                 :            : 
     581         [ +  + ]:       6010 :         if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, start_lba, num_blocks))) {
     582                 :       2492 :                 SPDK_ERRLOG("end of media\n");
     583   [ #  #  #  #  :       2492 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     584   [ #  #  #  #  :       2492 :                 rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
                   #  # ]
     585                 :       2492 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     586                 :            :         }
     587                 :            : 
     588   [ -  +  #  #  :       3518 :         if (spdk_unlikely(cmd->cdw12_bits.write_zeroes.deac)) {
          #  #  #  #  #  
                      # ]
     589                 :          0 :                 SPDK_ERRLOG("Write Zeroes Deallocate is not supported\n");
     590   [ #  #  #  #  :          0 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     591   [ #  #  #  #  :          0 :                 rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD;
                   #  # ]
     592                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     593                 :            :         }
     594                 :            : 
     595                 :       3518 :         rc = spdk_bdev_write_zeroes_blocks(desc, ch, start_lba, num_blocks,
     596                 :          0 :                                            nvmf_bdev_ctrlr_complete_cmd, req);
     597         [ +  + ]:       3518 :         if (spdk_unlikely(rc)) {
     598         [ -  + ]:          3 :                 if (rc == -ENOMEM) {
     599                 :          0 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
     600                 :          0 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     601                 :            :                 }
     602   [ #  #  #  #  :          3 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     603   [ #  #  #  #  :          3 :                 rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     604                 :          3 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     605                 :            :         }
     606                 :            : 
     607                 :       3515 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     608                 :          0 : }
     609                 :            : 
     610                 :            : int
     611                 :       2944 : nvmf_bdev_ctrlr_flush_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     612                 :            :                           struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
     613                 :            : {
     614   [ #  #  #  #  :       2944 :         struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
                   #  # ]
     615                 :            :         int rc;
     616                 :            : 
     617                 :            :         /* As for NVMeoF controller, SPDK always set volatile write
     618                 :            :          * cache bit to 1, return success for those block devices
     619                 :            :          * which can't support FLUSH command.
     620                 :            :          */
     621         [ +  + ]:       2944 :         if (!spdk_bdev_io_type_supported(bdev, SPDK_BDEV_IO_TYPE_FLUSH)) {
     622   [ #  #  #  #  :          3 :                 response->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     623   [ #  #  #  #  :          3 :                 response->status.sc = SPDK_NVME_SC_SUCCESS;
                   #  # ]
     624                 :          3 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     625                 :            :         }
     626                 :            : 
     627                 :       2941 :         rc = spdk_bdev_flush_blocks(desc, ch, 0, spdk_bdev_get_num_blocks(bdev),
     628                 :          0 :                                     nvmf_bdev_ctrlr_complete_cmd, req);
     629         [ +  + ]:       2941 :         if (spdk_unlikely(rc)) {
     630         [ -  + ]:          3 :                 if (rc == -ENOMEM) {
     631                 :          0 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
     632                 :          0 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     633                 :            :                 }
     634   [ #  #  #  #  :          3 :                 response->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     635                 :          3 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     636                 :            :         }
     637                 :       2938 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     638                 :          0 : }
     639                 :            : 
     640                 :            : struct nvmf_bdev_ctrlr_unmap {
     641                 :            :         struct spdk_nvmf_request        *req;
     642                 :            :         uint32_t                        count;
     643                 :            :         struct spdk_bdev_desc           *desc;
     644                 :            :         struct spdk_bdev                *bdev;
     645                 :            :         struct spdk_io_channel          *ch;
     646                 :            :         uint32_t                        range_index;
     647                 :            : };
     648                 :            : 
     649                 :            : static void
     650                 :      58021 : nvmf_bdev_ctrlr_unmap_cpl(struct spdk_bdev_io *bdev_io, bool success,
     651                 :            :                           void *cb_arg)
     652                 :            : {
     653                 :      58021 :         struct nvmf_bdev_ctrlr_unmap *unmap_ctx = cb_arg;
     654   [ #  #  #  # ]:      58021 :         struct spdk_nvmf_request        *req = unmap_ctx->req;
     655   [ #  #  #  #  :      58021 :         struct spdk_nvme_cpl            *response = &req->rsp->nvme_cpl;
                   #  # ]
     656                 :          0 :         int                             sc, sct;
     657                 :          0 :         uint32_t                        cdw0;
     658                 :            : 
     659         [ #  # ]:      58021 :         unmap_ctx->count--;
     660                 :            : 
     661   [ +  -  #  #  :      58021 :         if (response->status.sct == SPDK_NVME_SCT_GENERIC &&
          #  #  #  #  #  
                      # ]
     662   [ +  -  #  #  :      58021 :             response->status.sc == SPDK_NVME_SC_SUCCESS) {
                   #  # ]
     663                 :      58021 :                 spdk_bdev_io_get_nvme_status(bdev_io, &cdw0, &sct, &sc);
     664   [ #  #  #  # ]:      58021 :                 response->cdw0 = cdw0;
     665   [ #  #  #  #  :      58021 :                 response->status.sc = sc;
                   #  # ]
     666   [ #  #  #  #  :      58021 :                 response->status.sct = sct;
                   #  # ]
     667                 :          0 :         }
     668                 :            : 
     669   [ +  -  #  #  :      58021 :         if (unmap_ctx->count == 0) {
                   #  # ]
     670                 :      58021 :                 spdk_nvmf_request_complete(req);
     671                 :      58021 :                 free(unmap_ctx);
     672                 :          0 :         }
     673                 :      58021 :         spdk_bdev_free_io(bdev_io);
     674                 :      58021 : }
     675                 :            : 
     676                 :            : static int nvmf_bdev_ctrlr_unmap(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     677                 :            :                                  struct spdk_io_channel *ch, struct spdk_nvmf_request *req,
     678                 :            :                                  struct nvmf_bdev_ctrlr_unmap *unmap_ctx);
     679                 :            : static void
     680                 :      57990 : nvmf_bdev_ctrlr_unmap_resubmit(void *arg)
     681                 :            : {
     682                 :      57990 :         struct nvmf_bdev_ctrlr_unmap *unmap_ctx = arg;
     683   [ #  #  #  # ]:      57990 :         struct spdk_nvmf_request *req = unmap_ctx->req;
     684   [ #  #  #  # ]:      57990 :         struct spdk_bdev_desc *desc = unmap_ctx->desc;
     685   [ #  #  #  # ]:      57990 :         struct spdk_bdev *bdev = unmap_ctx->bdev;
     686   [ #  #  #  # ]:      57990 :         struct spdk_io_channel *ch = unmap_ctx->ch;
     687                 :            : 
     688                 :      57990 :         nvmf_bdev_ctrlr_unmap(bdev, desc, ch, req, unmap_ctx);
     689                 :      57990 : }
     690                 :            : 
     691                 :            : static int
     692                 :     116011 : nvmf_bdev_ctrlr_unmap(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     693                 :            :                       struct spdk_io_channel *ch, struct spdk_nvmf_request *req,
     694                 :            :                       struct nvmf_bdev_ctrlr_unmap *unmap_ctx)
     695                 :            : {
     696                 :            :         uint16_t nr, i;
     697   [ #  #  #  #  :     116011 :         struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
                   #  # ]
     698   [ #  #  #  #  :     116011 :         struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
                   #  # ]
     699   [ #  #  #  #  :     116011 :         uint64_t max_discard_size = req->qpair->ctrlr->subsys->max_discard_size_kib;
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
     700                 :     116011 :         uint32_t block_size = spdk_bdev_desc_get_block_size(desc);
     701                 :          0 :         struct spdk_iov_xfer ix;
     702                 :            :         uint64_t lba;
     703                 :            :         uint32_t lba_count;
     704                 :            :         int rc;
     705                 :            : 
     706   [ #  #  #  #  :     116011 :         nr = cmd->cdw10_bits.dsm.nr + 1;
          #  #  #  #  #  
                      # ]
     707   [ -  +  #  #  :     116011 :         if (nr * sizeof(struct spdk_nvme_dsm_range) > req->length) {
                   #  # ]
     708                 :          0 :                 SPDK_ERRLOG("Dataset Management number of ranges > SGL length\n");
     709   [ #  #  #  #  :          0 :                 response->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
                   #  # ]
     710                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     711                 :            :         }
     712                 :            : 
     713         [ +  + ]:     116011 :         if (unmap_ctx == NULL) {
     714                 :      58021 :                 unmap_ctx = calloc(1, sizeof(*unmap_ctx));
     715         [ -  + ]:      58021 :                 if (!unmap_ctx) {
     716   [ #  #  #  #  :          0 :                         response->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     717                 :          0 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     718                 :            :                 }
     719                 :            : 
     720   [ #  #  #  # ]:      58021 :                 unmap_ctx->req = req;
     721   [ #  #  #  # ]:      58021 :                 unmap_ctx->desc = desc;
     722   [ #  #  #  # ]:      58021 :                 unmap_ctx->ch = ch;
     723   [ #  #  #  # ]:      58021 :                 unmap_ctx->bdev = bdev;
     724                 :            : 
     725   [ #  #  #  #  :      58021 :                 response->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     726   [ #  #  #  #  :      58021 :                 response->status.sc = SPDK_NVME_SC_SUCCESS;
                   #  # ]
     727                 :          0 :         } else {
     728         [ #  # ]:      57990 :                 unmap_ctx->count--;  /* dequeued */
     729                 :            :         }
     730                 :            : 
     731   [ #  #  #  #  :     116011 :         spdk_iov_xfer_init(&ix, req->iov, req->iovcnt);
                   #  # ]
     732                 :            : 
     733   [ +  +  #  #  :     174032 :         for (i = unmap_ctx->range_index; i < nr; i++) {
                   #  # ]
     734                 :     116011 :                 struct spdk_nvme_dsm_range dsm_range = { 0 };
     735                 :            : 
     736                 :     116011 :                 spdk_iov_xfer_to_buf(&ix, &dsm_range, sizeof(dsm_range));
     737                 :            : 
     738         [ #  # ]:     116011 :                 lba = dsm_range.starting_lba;
     739         [ #  # ]:     116011 :                 lba_count = dsm_range.length;
     740   [ -  +  -  -  :     116011 :                 if (max_discard_size > 0 && lba_count > (max_discard_size << 10) / block_size) {
             -  -  #  # ]
     741         [ #  # ]:          0 :                         SPDK_ERRLOG("invalid unmap size %" PRIu32 " blocks, should not exceed %" PRIu64 " blocks\n",
     742                 :            :                                     lba_count, max_discard_size << 1);
     743   [ #  #  #  #  :          0 :                         response->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     744   [ #  #  #  #  :          0 :                         response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
                   #  # ]
     745                 :          0 :                         break;
     746                 :            :                 }
     747                 :            : 
     748         [ #  # ]:     116011 :                 unmap_ctx->count++;
     749                 :            : 
     750                 :     116011 :                 rc = spdk_bdev_unmap_blocks(desc, ch, lba, lba_count,
     751                 :          0 :                                             nvmf_bdev_ctrlr_unmap_cpl, unmap_ctx);
     752         [ +  + ]:     116011 :                 if (rc) {
     753         [ +  - ]:      57990 :                         if (rc == -ENOMEM) {
     754                 :      57990 :                                 nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_bdev_ctrlr_unmap_resubmit, unmap_ctx);
     755                 :            :                                 /* Unmap was not yet submitted to bdev */
     756                 :            :                                 /* unmap_ctx->count will be decremented when the request is dequeued */
     757                 :      57990 :                                 return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     758                 :            :                         }
     759   [ #  #  #  #  :          0 :                         response->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     760         [ #  # ]:          0 :                         unmap_ctx->count--;
     761                 :            :                         /* We can't return here - we may have to wait for any other
     762                 :            :                                 * unmaps already sent to complete */
     763                 :          0 :                         break;
     764                 :            :                 }
     765         [ #  # ]:      58021 :                 unmap_ctx->range_index++;
     766                 :          0 :         }
     767                 :            : 
     768   [ -  +  #  #  :      58021 :         if (unmap_ctx->count == 0) {
                   #  # ]
     769                 :          0 :                 free(unmap_ctx);
     770                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     771                 :            :         }
     772                 :            : 
     773                 :      58021 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     774                 :          0 : }
     775                 :            : 
     776                 :            : int
     777                 :      58021 : nvmf_bdev_ctrlr_dsm_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     778                 :            :                         struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
     779                 :            : {
     780   [ #  #  #  #  :      58021 :         struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
                   #  # ]
     781   [ #  #  #  #  :      58021 :         struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
                   #  # ]
     782                 :            : 
     783   [ +  -  #  #  :      58021 :         if (cmd->cdw11_bits.dsm.ad) {
          #  #  #  #  #  
                      # ]
     784                 :      58021 :                 return nvmf_bdev_ctrlr_unmap(bdev, desc, ch, req, NULL);
     785                 :            :         }
     786                 :            : 
     787   [ #  #  #  #  :          0 :         response->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     788   [ #  #  #  #  :          0 :         response->status.sc = SPDK_NVME_SC_SUCCESS;
                   #  # ]
     789                 :          0 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     790                 :          0 : }
     791                 :            : 
     792                 :            : int
     793                 :         24 : nvmf_bdev_ctrlr_copy_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     794                 :            :                          struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
     795                 :            : {
     796   [ #  #  #  #  :         24 :         struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
                   #  # ]
     797   [ #  #  #  #  :         24 :         struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
                   #  # ]
     798   [ #  #  #  #  :         24 :         uint64_t sdlba = ((uint64_t)cmd->cdw11 << 32) + cmd->cdw10;
          #  #  #  #  #  
             #  #  #  #  
                      # ]
     799                 :         24 :         struct spdk_nvme_scc_source_range range = { 0 };
     800                 :         15 :         struct spdk_iov_xfer ix;
     801                 :            :         int rc;
     802                 :            : 
     803   [ -  +  -  +  :         24 :         SPDK_DEBUGLOG(nvmf, "Copy command: SDLBA %lu, NR %u, desc format %u, PRINFOR %u, "
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
                      # ]
     804                 :            :                       "DTYPE %u, STCW %u, PRINFOW %u, FUA %u, LR %u\n",
     805                 :            :                       sdlba,
     806                 :            :                       cmd->cdw12_bits.copy.nr,
     807                 :            :                       cmd->cdw12_bits.copy.df,
     808                 :            :                       cmd->cdw12_bits.copy.prinfor,
     809                 :            :                       cmd->cdw12_bits.copy.dtype,
     810                 :            :                       cmd->cdw12_bits.copy.stcw,
     811                 :            :                       cmd->cdw12_bits.copy.prinfow,
     812                 :            :                       cmd->cdw12_bits.copy.fua,
     813                 :            :                       cmd->cdw12_bits.copy.lr);
     814                 :            : 
     815   [ -  +  #  #  :         24 :         if (spdk_unlikely(req->length != (cmd->cdw12_bits.copy.nr + 1) *
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
     816                 :            :                           sizeof(struct spdk_nvme_scc_source_range))) {
     817   [ #  #  #  #  :          0 :                 response->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     818   [ #  #  #  #  :          0 :                 response->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
                   #  # ]
     819                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     820                 :            :         }
     821                 :            : 
     822                 :            :         /*
     823                 :            :          * We support only one source range, and rely on this with the xfer
     824                 :            :          * below.
     825                 :            :          */
     826   [ +  +  #  #  :         24 :         if (cmd->cdw12_bits.copy.nr > 0) {
          #  #  #  #  #  
                      # ]
     827   [ #  #  #  #  :          3 :                 response->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC;
                   #  # ]
     828   [ #  #  #  #  :          3 :                 response->status.sc = SPDK_NVME_SC_CMD_SIZE_LIMIT_SIZE_EXCEEDED;
                   #  # ]
     829                 :          3 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     830                 :            :         }
     831                 :            : 
     832   [ +  +  #  #  :         21 :         if (cmd->cdw12_bits.copy.df != 0) {
          #  #  #  #  #  
                      # ]
     833   [ #  #  #  #  :          3 :                 response->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     834   [ #  #  #  #  :          3 :                 response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
                   #  # ]
     835                 :          3 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     836                 :            :         }
     837                 :            : 
     838   [ #  #  #  #  :         18 :         spdk_iov_xfer_init(&ix, req->iov, req->iovcnt);
                   #  # ]
     839                 :         18 :         spdk_iov_xfer_to_buf(&ix, &range, sizeof(range));
     840                 :            : 
     841   [ #  #  #  #  :         18 :         rc = spdk_bdev_copy_blocks(desc, ch, sdlba, range.slba, range.nlb + 1,
                   #  # ]
     842                 :          0 :                                    nvmf_bdev_ctrlr_complete_cmd, req);
     843         [ +  + ]:         18 :         if (spdk_unlikely(rc)) {
     844         [ -  + ]:          3 :                 if (rc == -ENOMEM) {
     845                 :          0 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
     846                 :          0 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     847                 :            :                 }
     848                 :            : 
     849   [ #  #  #  #  :          3 :                 response->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     850   [ #  #  #  #  :          3 :                 response->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     851                 :          3 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     852                 :            :         }
     853                 :            : 
     854                 :         15 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     855                 :          0 : }
     856                 :            : 
     857                 :            : int
     858                 :     154138 : nvmf_bdev_ctrlr_nvme_passthru_io(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     859                 :            :                                  struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
     860                 :            : {
     861                 :            :         int rc;
     862                 :            : 
     863   [ #  #  #  #  :     154138 :         rc = spdk_bdev_nvme_iov_passthru_md(desc, ch, &req->cmd->nvme_cmd, req->iov, req->iovcnt,
          #  #  #  #  #  
                #  #  # ]
     864   [ #  #  #  # ]:     154138 :                                             req->length, NULL, 0, nvmf_bdev_ctrlr_complete_cmd, req);
     865                 :            : 
     866         [ +  + ]:     154138 :         if (spdk_unlikely(rc)) {
     867         [ +  + ]:     154132 :                 if (rc == -ENOMEM) {
     868                 :          3 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
     869                 :          3 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     870                 :            :                 }
     871   [ #  #  #  #  :     154129 :                 req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC;
          #  #  #  #  #  
                #  #  # ]
     872   [ #  #  #  #  :     154129 :                 req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_INVALID_OPCODE;
          #  #  #  #  #  
                #  #  # ]
     873   [ #  #  #  #  :     154129 :                 req->rsp->nvme_cpl.status.dnr = 1;
          #  #  #  #  #  
                #  #  # ]
     874                 :     154129 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     875                 :            :         }
     876                 :            : 
     877                 :          6 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     878                 :          0 : }
     879                 :            : 
     880                 :            : int
     881                 :        106 : spdk_nvmf_bdev_ctrlr_nvme_passthru_admin(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     882                 :            :                 struct spdk_io_channel *ch, struct spdk_nvmf_request *req,
     883                 :            :                 spdk_nvmf_nvme_passthru_cmd_cb cb_fn)
     884                 :            : {
     885                 :            :         int rc;
     886                 :            : 
     887   [ -  +  #  #  :        106 :         if (spdk_unlikely(req->iovcnt > 1)) {
                   #  # ]
     888   [ #  #  #  #  :          0 :                 req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC;
          #  #  #  #  #  
                #  #  # ]
     889   [ #  #  #  #  :          0 :                 req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
          #  #  #  #  #  
                #  #  # ]
     890   [ #  #  #  #  :          0 :                 req->rsp->nvme_cpl.status.dnr = 1;
          #  #  #  #  #  
                #  #  # ]
     891                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     892                 :            :         }
     893                 :            : 
     894   [ #  #  #  # ]:        106 :         req->cmd_cb_fn = cb_fn;
     895                 :            : 
     896   [ #  #  #  #  :        106 :         rc = spdk_bdev_nvme_admin_passthru(desc, ch, &req->cmd->nvme_cmd, req->iov[0].iov_base, req->length,
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
                      # ]
     897                 :          0 :                                            nvmf_bdev_ctrlr_complete_admin_cmd, req);
     898         [ +  + ]:        106 :         if (spdk_unlikely(rc)) {
     899         [ +  + ]:          6 :                 if (rc == -ENOMEM) {
     900                 :          3 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_admin_cmd_resubmit, req);
     901                 :          3 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     902                 :            :                 }
     903   [ #  #  #  #  :          3 :                 req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC;
          #  #  #  #  #  
                #  #  # ]
     904         [ +  - ]:          3 :                 if (rc == -ENOTSUP) {
     905   [ #  #  #  #  :          3 :                         req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_INVALID_OPCODE;
          #  #  #  #  #  
                #  #  # ]
     906                 :          0 :                 } else {
     907   [ #  #  #  #  :          0 :                         req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
          #  #  #  #  #  
                #  #  # ]
     908                 :            :                 }
     909                 :            : 
     910   [ #  #  #  #  :          3 :                 req->rsp->nvme_cpl.status.dnr = 1;
          #  #  #  #  #  
                #  #  # ]
     911                 :          3 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     912                 :            :         }
     913                 :            : 
     914                 :        100 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     915                 :          0 : }
     916                 :            : 
     917                 :            : static void
     918                 :     110852 : nvmf_bdev_ctrlr_complete_abort_cmd(struct spdk_bdev_io *bdev_io, bool success, void *cb_arg)
     919                 :            : {
     920                 :     110852 :         struct spdk_nvmf_request *req = cb_arg;
     921                 :            : 
     922   [ +  +  #  # ]:     110852 :         if (success) {
     923   [ #  #  #  #  :     108088 :                 req->rsp->nvme_cpl.cdw0 &= ~1U;
          #  #  #  #  #  
                      # ]
     924                 :          0 :         }
     925                 :            : 
     926                 :     110852 :         spdk_nvmf_request_complete(req);
     927                 :     110852 :         spdk_bdev_free_io(bdev_io);
     928                 :     110852 : }
     929                 :            : 
     930                 :            : int
     931                 :     110852 : spdk_nvmf_bdev_ctrlr_abort_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     932                 :            :                                struct spdk_io_channel *ch, struct spdk_nvmf_request *req,
     933                 :            :                                struct spdk_nvmf_request *req_to_abort)
     934                 :            : {
     935                 :            :         int rc;
     936                 :            : 
     937   [ -  +  #  #  :     110852 :         assert((req->rsp->nvme_cpl.cdw0 & 1U) != 0);
          #  #  #  #  #  
             #  #  #  #  
                      # ]
     938                 :            : 
     939                 :     110852 :         rc = spdk_bdev_abort(desc, ch, req_to_abort, nvmf_bdev_ctrlr_complete_abort_cmd, req);
     940         [ +  - ]:     110852 :         if (spdk_likely(rc == 0)) {
     941                 :     110852 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     942         [ #  # ]:          0 :         } else if (rc == -ENOMEM) {
     943                 :          0 :                 nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_admin_cmd_resubmit, req);
     944                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     945                 :            :         } else {
     946                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     947                 :            :         }
     948                 :          0 : }
     949                 :            : 
     950                 :            : bool
     951                 :     534914 : nvmf_bdev_ctrlr_get_dif_ctx(struct spdk_bdev_desc *desc, struct spdk_nvme_cmd *cmd,
     952                 :            :                             struct spdk_dif_ctx *dif_ctx)
     953                 :            : {
     954                 :     534914 :         uint32_t init_ref_tag, dif_check_flags = 0;
     955                 :            :         int rc;
     956                 :          6 :         struct spdk_dif_ctx_init_ext_opts dif_opts;
     957                 :            : 
     958         [ +  + ]:     534914 :         if (spdk_bdev_desc_get_md_size(desc) == 0) {
     959                 :          3 :                 return false;
     960                 :            :         }
     961                 :            : 
     962                 :            :         /* Initial Reference Tag is the lower 32 bits of the start LBA. */
     963   [ #  #  #  # ]:     534911 :         init_ref_tag = (uint32_t)from_le64(&cmd->cdw10);
     964                 :            : 
     965         [ +  + ]:     534911 :         if (spdk_bdev_desc_is_dif_check_enabled(desc, SPDK_DIF_CHECK_TYPE_REFTAG)) {
     966         [ #  # ]:     501927 :                 dif_check_flags |= SPDK_DIF_FLAGS_REFTAG_CHECK;
     967                 :          0 :         }
     968                 :            : 
     969         [ +  + ]:     534911 :         if (spdk_bdev_desc_is_dif_check_enabled(desc, SPDK_DIF_CHECK_TYPE_GUARD)) {
     970         [ #  # ]:     534908 :                 dif_check_flags |= SPDK_DIF_FLAGS_GUARD_CHECK;
     971                 :          0 :         }
     972                 :            : 
     973                 :     534911 :         dif_opts.size = SPDK_SIZEOF(&dif_opts, dif_pi_format);
     974         [ #  # ]:     534911 :         dif_opts.dif_pi_format = SPDK_DIF_PI_FORMAT_16;
     975                 :    1069822 :         rc = spdk_dif_ctx_init(dif_ctx,
     976                 :          0 :                                spdk_bdev_desc_get_block_size(desc),
     977                 :          0 :                                spdk_bdev_desc_get_md_size(desc),
     978                 :     534911 :                                spdk_bdev_desc_is_md_interleaved(desc),
     979                 :     534911 :                                spdk_bdev_desc_is_dif_head_of_md(desc),
     980                 :          0 :                                spdk_bdev_desc_get_dif_type(desc),
     981                 :          0 :                                dif_check_flags,
     982                 :          0 :                                init_ref_tag, 0, 0, 0, 0, &dif_opts);
     983                 :            : 
     984                 :     534911 :         return (rc == 0) ? true : false;
     985                 :          0 : }
     986                 :            : 
     987                 :            : static void
     988                 :    1021699 : nvmf_bdev_ctrlr_zcopy_start_complete(struct spdk_bdev_io *bdev_io, bool success,
     989                 :            :                                      void *cb_arg)
     990                 :            : {
     991                 :    1021699 :         struct spdk_nvmf_request        *req = cb_arg;
     992                 :          0 :         struct iovec *iov;
     993                 :    1021699 :         int iovcnt = 0;
     994                 :            : 
     995   [ +  +  #  # ]:    1021699 :         if (spdk_unlikely(!success)) {
     996                 :      37311 :                 int                     sc = 0, sct = 0;
     997                 :      37311 :                 uint32_t                cdw0 = 0;
     998   [ #  #  #  #  :      37311 :                 struct spdk_nvme_cpl    *response = &req->rsp->nvme_cpl;
                   #  # ]
     999                 :      37311 :                 spdk_bdev_io_get_nvme_status(bdev_io, &cdw0, &sct, &sc);
    1000                 :            : 
    1001   [ #  #  #  # ]:      37311 :                 response->cdw0 = cdw0;
    1002   [ #  #  #  #  :      37311 :                 response->status.sc = sc;
                   #  # ]
    1003   [ #  #  #  #  :      37311 :                 response->status.sct = sct;
                   #  # ]
    1004                 :            : 
    1005                 :      37311 :                 spdk_bdev_free_io(bdev_io);
    1006                 :      37311 :                 spdk_nvmf_request_complete(req);
    1007                 :      37311 :                 return;
    1008                 :            :         }
    1009                 :            : 
    1010                 :     984388 :         spdk_bdev_io_get_iovec(bdev_io, &iov, &iovcnt);
    1011                 :            : 
    1012   [ -  +  #  # ]:     984388 :         assert(iovcnt <= NVMF_REQ_MAX_BUFFERS);
    1013   [ -  +  #  # ]:     984388 :         assert(iovcnt > 0);
    1014                 :            : 
    1015   [ #  #  #  # ]:     984388 :         req->iovcnt = iovcnt;
    1016                 :            : 
    1017   [ -  +  #  #  :     984388 :         assert(req->iov == iov);
                   #  # ]
    1018                 :            : 
    1019   [ #  #  #  # ]:     984388 :         req->zcopy_bdev_io = bdev_io; /* Preserve the bdev_io for the end zcopy */
    1020                 :            : 
    1021                 :     984388 :         spdk_nvmf_request_complete(req);
    1022                 :            :         /* Don't free the bdev_io here as it is needed for the END ZCOPY */
    1023                 :          0 : }
    1024                 :            : 
    1025                 :            : int
    1026                 :    1021708 : nvmf_bdev_ctrlr_zcopy_start(struct spdk_bdev *bdev,
    1027                 :            :                             struct spdk_bdev_desc *desc,
    1028                 :            :                             struct spdk_io_channel *ch,
    1029                 :            :                             struct spdk_nvmf_request *req)
    1030                 :            : {
    1031   [ #  #  #  #  :    1021708 :         struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
                   #  # ]
    1032                 :    1021708 :         uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
    1033                 :    1021708 :         uint32_t block_size = spdk_bdev_desc_get_block_size(desc);
    1034                 :          9 :         uint64_t start_lba;
    1035                 :          9 :         uint64_t num_blocks;
    1036                 :            :         int rc;
    1037                 :            : 
    1038   [ #  #  #  #  :    1021708 :         nvmf_bdev_ctrlr_get_rw_params(&req->cmd->nvme_cmd, &start_lba, &num_blocks);
                   #  # ]
    1039                 :            : 
    1040         [ +  + ]:    1021708 :         if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, start_lba, num_blocks))) {
    1041                 :          3 :                 SPDK_ERRLOG("end of media\n");
    1042   [ #  #  #  #  :          3 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
    1043   [ #  #  #  #  :          3 :                 rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
                   #  # ]
    1044                 :          3 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
    1045                 :            :         }
    1046                 :            : 
    1047   [ +  +  #  #  :    1021705 :         if (spdk_unlikely(num_blocks * block_size > req->length)) {
                   #  # ]
    1048   [ #  #  #  # ]:          3 :                 SPDK_ERRLOG("Read NLB %" PRIu64 " * block size %" PRIu32 " > SGL length %" PRIu32 "\n",
    1049                 :            :                             num_blocks, block_size, req->length);
    1050   [ #  #  #  #  :          3 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
    1051   [ #  #  #  #  :          3 :                 rsp->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
                   #  # ]
    1052                 :          3 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
    1053                 :            :         }
    1054                 :            : 
    1055   [ #  #  #  #  :    1021702 :         bool populate = (req->cmd->nvme_cmd.opc == SPDK_NVME_OPC_READ) ? true : false;
             #  #  #  # ]
    1056                 :            : 
    1057   [ #  #  #  #  :    1021702 :         rc = spdk_bdev_zcopy_start(desc, ch, req->iov, req->iovcnt, start_lba,
                   #  # ]
    1058         [ #  # ]:          0 :                                    num_blocks, populate, nvmf_bdev_ctrlr_zcopy_start_complete, req);
    1059         [ -  + ]:    1021702 :         if (spdk_unlikely(rc != 0)) {
    1060         [ #  # ]:          0 :                 if (rc == -ENOMEM) {
    1061                 :          0 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
    1062                 :          0 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
    1063                 :            :                 }
    1064   [ #  #  #  #  :          0 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
    1065   [ #  #  #  #  :          0 :                 rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
    1066                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
    1067                 :            :         }
    1068                 :            : 
    1069                 :    1021702 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
    1070                 :          0 : }
    1071                 :            : 
    1072                 :            : static void
    1073                 :     984388 : nvmf_bdev_ctrlr_zcopy_end_complete(struct spdk_bdev_io *bdev_io, bool success,
    1074                 :            :                                    void *cb_arg)
    1075                 :            : {
    1076                 :     984388 :         struct spdk_nvmf_request        *req = cb_arg;
    1077                 :            : 
    1078   [ +  +  #  # ]:     984388 :         if (spdk_unlikely(!success)) {
    1079                 :      36743 :                 int                     sc = 0, sct = 0;
    1080                 :      36743 :                 uint32_t                cdw0 = 0;
    1081   [ #  #  #  #  :      36743 :                 struct spdk_nvme_cpl    *response = &req->rsp->nvme_cpl;
                   #  # ]
    1082                 :      36743 :                 spdk_bdev_io_get_nvme_status(bdev_io, &cdw0, &sct, &sc);
    1083                 :            : 
    1084   [ #  #  #  # ]:      36743 :                 response->cdw0 = cdw0;
    1085   [ #  #  #  #  :      36743 :                 response->status.sc = sc;
                   #  # ]
    1086   [ #  #  #  #  :      36743 :                 response->status.sct = sct;
                   #  # ]
    1087                 :          0 :         }
    1088                 :            : 
    1089                 :     984388 :         spdk_bdev_free_io(bdev_io);
    1090   [ #  #  #  # ]:     984388 :         req->zcopy_bdev_io = NULL;
    1091                 :     984388 :         spdk_nvmf_request_complete(req);
    1092                 :     984388 : }
    1093                 :            : 
    1094                 :            : void
    1095                 :     984388 : nvmf_bdev_ctrlr_zcopy_end(struct spdk_nvmf_request *req, bool commit)
    1096                 :            : {
    1097                 :            :         int rc __attribute__((unused));
    1098                 :            : 
    1099   [ #  #  #  #  :     984388 :         rc = spdk_bdev_zcopy_end(req->zcopy_bdev_io, commit, nvmf_bdev_ctrlr_zcopy_end_complete, req);
                   #  # ]
    1100                 :            : 
    1101                 :            :         /* The only way spdk_bdev_zcopy_end() can fail is if we pass a bdev_io type that isn't ZCOPY */
    1102   [ -  +  #  # ]:     984388 :         assert(rc == 0);
    1103                 :     984388 : }

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