LCOV - code coverage report
Current view: top level - spdk/lib/nvmf - ctrlr_bdev.c (source / functions) Hit Total Coverage
Test: Combined Lines: 500 646 77.4 %
Date: 2024-11-20 15:05:15 Functions: 31 35 88.6 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 325 1868 17.4 %

           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                 :       5682 : 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         [ +  + ]:       9075 :         for (ns = spdk_nvmf_subsystem_get_first_ns(subsystem); ns != NULL;
      32                 :       3393 :              ns = spdk_nvmf_subsystem_get_next_ns(subsystem, ns)) {
      33   [ +  +  +  -  :       3751 :                 if (ns->bdev == NULL) {
                   +  - ]
      34                 :          0 :                         continue;
      35                 :            :                 }
      36                 :            : 
      37   [ +  +  +  -  :       3751 :                 if (!spdk_bdev_io_type_supported(ns->bdev, io_type)) {
                   +  - ]
      38   [ -  +  -  +  :        358 :                         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                 :        358 :                         return false;
      43                 :            :                 }
      44                 :       1592 :         }
      45                 :            : 
      46   [ +  +  +  +  :       5324 :         SPDK_DEBUGLOG(nvmf, "All devices in Subsystem %s support io_type %d\n",
                   +  - ]
      47                 :            :                       spdk_nvmf_subsystem_get_nqn(subsystem), (int)io_type);
      48                 :       5324 :         return true;
      49                 :       1592 : }
      50                 :            : 
      51                 :            : bool
      52                 :       2841 : nvmf_ctrlr_dsm_supported(struct spdk_nvmf_ctrlr *ctrlr)
      53                 :            : {
      54   [ +  -  +  - ]:       2841 :         return nvmf_subsystem_bdev_io_type_supported(ctrlr->subsys, SPDK_BDEV_IO_TYPE_UNMAP);
      55                 :            : }
      56                 :            : 
      57                 :            : bool
      58                 :       2841 : nvmf_ctrlr_write_zeroes_supported(struct spdk_nvmf_ctrlr *ctrlr)
      59                 :            : {
      60   [ +  -  +  - ]:       2841 :         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                 :   22609540 : nvmf_bdev_ctrlr_complete_cmd(struct spdk_bdev_io *bdev_io, bool success,
      71                 :            :                              void *cb_arg)
      72                 :            : {
      73                 :   22609540 :         struct spdk_nvmf_request        *req = cb_arg;
      74   [ +  -  +  -  :   22609540 :         struct spdk_nvme_cpl            *response = &req->rsp->nvme_cpl;
                   +  - ]
      75                 :   22609540 :         int                             sc = 0, sct = 0;
      76                 :   22609540 :         uint32_t                        cdw0 = 0;
      77                 :            : 
      78   [ +  +  +  -  :   22609540 :         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                 :   22606423 :                 spdk_bdev_io_get_nvme_status(bdev_io, &cdw0, &sct, &sc);
      95                 :            :         }
      96                 :            : 
      97   [ +  -  +  - ]:   22609540 :         response->cdw0 = cdw0;
      98   [ +  -  +  -  :   22609540 :         response->status.sc = sc;
                   +  - ]
      99   [ +  -  +  -  :   22609540 :         response->status.sct = sct;
                   +  - ]
     100                 :            : 
     101                 :   22609540 :         spdk_nvmf_request_complete(req);
     102                 :   22609540 :         spdk_bdev_free_io(bdev_io);
     103                 :   22609540 : }
     104                 :            : 
     105                 :            : static void
     106                 :        102 : nvmf_bdev_ctrlr_complete_admin_cmd(struct spdk_bdev_io *bdev_io, bool success,
     107                 :            :                                    void *cb_arg)
     108                 :            : {
     109                 :        102 :         struct spdk_nvmf_request *req = cb_arg;
     110                 :            : 
     111   [ +  +  #  #  :        102 :         if (req->cmd_cb_fn) {
                   #  # ]
     112   [ #  #  #  #  :         94 :                 req->cmd_cb_fn(req);
             #  #  #  # ]
     113                 :          0 :         }
     114                 :            : 
     115         [ #  # ]:        102 :         nvmf_bdev_ctrlr_complete_cmd(bdev_io, success, req);
     116                 :        102 : }
     117                 :            : 
     118                 :            : void
     119                 :       2549 : nvmf_bdev_ctrlr_identify_ns(struct spdk_nvmf_ns *ns, struct spdk_nvme_ns_data *nsdata,
     120                 :            :                             bool dif_insert_or_strip)
     121                 :            : {
     122   [ +  -  +  - ]:       2549 :         struct spdk_bdev *bdev = ns->bdev;
     123   [ +  -  +  - ]:       2549 :         struct spdk_bdev_desc *desc = ns->desc;
     124                 :            :         uint64_t num_blocks;
     125                 :            :         uint32_t phys_blocklen;
     126                 :            :         uint32_t max_copy;
     127                 :            : 
     128                 :       2549 :         num_blocks = spdk_bdev_get_num_blocks(bdev);
     129                 :            : 
     130   [ +  -  +  - ]:       2549 :         nsdata->nsze = num_blocks;
     131   [ +  -  +  - ]:       2549 :         nsdata->ncap = num_blocks;
     132   [ +  -  +  - ]:       2549 :         nsdata->nuse = num_blocks;
     133   [ +  -  +  - ]:       2549 :         nsdata->nlbaf = 0;
     134   [ +  -  +  - ]:       2549 :         nsdata->flbas.format = 0;
     135   [ +  -  +  - ]:       2549 :         nsdata->flbas.msb_format = 0;
     136   [ +  -  +  -  :       2549 :         nsdata->nacwu = spdk_bdev_get_acwu(bdev) - 1; /* nacwu is 0-based */
                   +  - ]
     137   [ +  +  -  + ]:       2549 :         if (!dif_insert_or_strip) {
     138   [ +  -  +  -  :       2515 :                 nsdata->lbaf[0].ms = spdk_bdev_desc_get_md_size(desc);
             +  -  +  - ]
     139   [ +  -  +  -  :       2515 :                 nsdata->lbaf[0].lbads = spdk_u32log2(spdk_bdev_desc_get_block_size(desc));
             +  -  +  - ]
     140   [ +  +  +  -  :       2515 :                 if (nsdata->lbaf[0].ms != 0) {
          +  -  +  -  +  
                      - ]
     141   [ #  #  #  # ]:          4 :                         nsdata->flbas.extended = 1;
     142   [ #  #  #  # ]:          4 :                         nsdata->mc.extended = 1;
     143   [ #  #  #  # ]:          4 :                         nsdata->mc.pointer = 0;
     144   [ #  #  #  # ]:          4 :                         nsdata->dps.md_start = spdk_bdev_desc_is_dif_head_of_md(desc);
     145                 :            : 
     146   [ +  +  -  - ]:          4 :                         switch (spdk_bdev_get_dif_type(bdev)) {
     147                 :          3 :                         case SPDK_DIF_TYPE1:
     148   [ #  #  #  # ]:          4 :                                 nsdata->dpc.pit1 = 1;
     149   [ #  #  #  # ]:          4 :                                 nsdata->dps.pit = SPDK_NVME_FMT_NVM_PROTECTION_TYPE1;
     150                 :          4 :                                 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                 :          1 :                 }
     165                 :        796 :         } else {
     166   [ #  #  #  #  :         34 :                 nsdata->lbaf[0].ms = 0;
             #  #  #  # ]
     167   [ #  #  #  #  :         34 :                 nsdata->lbaf[0].lbads = spdk_u32log2(spdk_bdev_get_data_block_size(bdev));
             #  #  #  # ]
     168                 :            :         }
     169                 :            : 
     170                 :       2549 :         phys_blocklen = spdk_bdev_get_physical_block_size(bdev);
     171   [ +  +  #  # ]:       2549 :         assert(phys_blocklen > 0);
     172                 :            :         /* Linux driver uses min(nawupf, npwg) to set physical_block_size */
     173   [ +  -  +  - ]:       2549 :         nsdata->nsfeat.optperf = 1;
     174   [ +  -  +  - ]:       2549 :         nsdata->nsfeat.ns_atomic_write_unit = 1;
     175   [ +  +  +  -  :       2549 :         nsdata->npwg = (phys_blocklen >> nsdata->lbaf[0].lbads) - 1;
          +  -  +  -  +  
             -  +  -  +  
                      - ]
     176   [ +  -  +  -  :       2549 :         nsdata->nawupf = nsdata->npwg;
             +  -  +  - ]
     177   [ +  -  +  -  :       2549 :         nsdata->npwa = nsdata->npwg;
             +  -  +  - ]
     178   [ +  -  +  -  :       2549 :         nsdata->npdg = nsdata->npwg;
             +  -  +  - ]
     179   [ +  -  +  -  :       2549 :         nsdata->npda = nsdata->npwg;
             +  -  +  - ]
     180                 :            : 
     181         [ +  + ]:       2549 :         if (spdk_bdev_get_write_unit_size(bdev) == 1) {
     182   [ +  -  +  - ]:       2549 :                 nsdata->noiob = spdk_bdev_get_optimal_io_boundary(bdev);
     183                 :        797 :         }
     184   [ +  -  +  - ]:       2549 :         nsdata->nmic.can_share = 1;
     185         [ +  + ]:       2549 :         if (nvmf_ns_is_ptpl_capable(ns)) {
     186   [ #  #  #  #  :          8 :                 nsdata->nsrescap.rescap.persist = 1;
                   #  # ]
     187                 :          2 :         }
     188   [ +  -  +  -  :       2549 :         nsdata->nsrescap.rescap.write_exclusive = 1;
                   +  - ]
     189   [ +  -  +  -  :       2549 :         nsdata->nsrescap.rescap.exclusive_access = 1;
                   +  - ]
     190   [ +  -  +  -  :       2549 :         nsdata->nsrescap.rescap.write_exclusive_reg_only = 1;
                   +  - ]
     191   [ +  -  +  -  :       2549 :         nsdata->nsrescap.rescap.exclusive_access_reg_only = 1;
                   +  - ]
     192   [ +  -  +  -  :       2549 :         nsdata->nsrescap.rescap.write_exclusive_all_reg = 1;
                   +  - ]
     193   [ +  -  +  -  :       2549 :         nsdata->nsrescap.rescap.exclusive_access_all_reg = 1;
                   +  - ]
     194   [ +  -  +  -  :       2549 :         nsdata->nsrescap.rescap.ignore_existing_key = 1;
                   +  - ]
     195                 :            : 
     196                 :            :         SPDK_STATIC_ASSERT(sizeof(nsdata->nguid) == sizeof(ns->opts.nguid), "size mismatch");
     197   [ +  -  +  -  :       2549 :         memcpy(nsdata->nguid, ns->opts.nguid, sizeof(nsdata->nguid));
          +  -  +  -  +  
                      - ]
     198                 :            : 
     199                 :            :         SPDK_STATIC_ASSERT(sizeof(nsdata->eui64) == sizeof(ns->opts.eui64), "size mismatch");
     200   [ +  -  +  -  :       2549 :         memcpy(&nsdata->eui64, ns->opts.eui64, sizeof(nsdata->eui64));
          +  -  +  -  +  
                      - ]
     201                 :            : 
     202                 :            :         /* For now we support just one source range for copy command */
     203   [ +  -  +  - ]:       2549 :         nsdata->msrc = 0;
     204                 :            : 
     205                 :       2549 :         max_copy = spdk_bdev_get_max_copy(bdev);
     206   [ +  +  -  + ]:       2549 :         if (max_copy == 0 || max_copy > UINT16_MAX) {
     207                 :            :                 /* Zero means copy size is unlimited */
     208   [ +  -  +  - ]:       1735 :                 nsdata->mcl = UINT16_MAX;
     209   [ +  -  +  - ]:       1735 :                 nsdata->mssrl = UINT16_MAX;
     210                 :        797 :         } else {
     211   [ #  #  #  # ]:        814 :                 nsdata->mcl = max_copy;
     212   [ #  #  #  # ]:        814 :                 nsdata->mssrl = max_copy;
     213                 :            :         }
     214                 :       2549 : }
     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                 :   23817228 : 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   [ +  -  +  -  :   23817228 :         *start_lba = from_le64(&cmd->cdw10);
                   +  - ]
     274                 :            : 
     275                 :            :         /* NLB: CDW12 bits 15:00, 0's based */
     276   [ +  -  +  -  :   23817228 :         *num_blocks = (from_le32(&cmd->cdw12) & 0xFFFFu) + 1;
                   +  - ]
     277                 :   23817228 : }
     278                 :            : 
     279                 :            : static void
     280                 :   22723807 : 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   [ +  -  +  -  :   22723807 :         opts->nvme_cdw12.raw = from_le32(&cmd->cdw12);
          +  -  +  -  +  
                      - ]
     285                 :            : 
     286                 :            :         /* Get CDW13 values */
     287   [ +  -  +  -  :   22723807 :         opts->nvme_cdw13.raw = from_le32(&cmd->cdw13);
          +  -  +  -  +  
                      - ]
     288                 :            : 
     289   [ +  -  +  -  :   22723807 :         opts->dif_check_flags_exclude_mask = (~opts->nvme_cdw12.raw) & SPDK_NVME_IO_FLAGS_PRCHK_MASK;
          +  -  +  -  +  
                      - ]
     290                 :   22723807 : }
     291                 :            : 
     292                 :            : static bool
     293                 :   23814131 : nvmf_bdev_ctrlr_lba_in_range(uint64_t bdev_num_blocks, uint64_t io_start_lba,
     294                 :            :                              uint64_t io_num_blocks)
     295                 :            : {
     296   [ +  +  +  + ]:   23814131 :         if (io_start_lba + io_num_blocks > bdev_num_blocks ||
     297         [ +  + ]:   23808915 :             io_start_lba + io_num_blocks < io_start_lba) {
     298                 :       5224 :                 return false;
     299                 :            :         }
     300                 :            : 
     301                 :   23808907 :         return true;
     302                 :     139535 : }
     303                 :            : 
     304                 :            : static void
     305                 :     102553 : nvmf_ctrlr_process_io_cmd_resubmit(void *arg)
     306                 :            : {
     307                 :     102553 :         struct spdk_nvmf_request *req = arg;
     308                 :            :         int rc;
     309                 :            : 
     310                 :     102553 :         rc = nvmf_ctrlr_process_io_cmd(req);
     311         [ -  + ]:     102553 :         if (rc == SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE) {
     312                 :          0 :                 spdk_nvmf_request_complete(req);
     313                 :          0 :         }
     314                 :     102553 : }
     315                 :            : 
     316                 :            : static void
     317                 :          0 : nvmf_ctrlr_process_admin_cmd_resubmit(void *arg)
     318                 :            : {
     319                 :          0 :         struct spdk_nvmf_request *req = arg;
     320                 :            :         int rc;
     321                 :            : 
     322                 :          0 :         rc = nvmf_ctrlr_process_admin_cmd(req);
     323         [ #  # ]:          0 :         if (rc == SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE) {
     324                 :          0 :                 spdk_nvmf_request_complete(req);
     325                 :          0 :         }
     326                 :          0 : }
     327                 :            : 
     328                 :            : static void
     329                 :     165085 : nvmf_bdev_ctrl_queue_io(struct spdk_nvmf_request *req, struct spdk_bdev *bdev,
     330                 :            :                         struct spdk_io_channel *ch, spdk_bdev_io_wait_cb cb_fn, void *cb_arg)
     331                 :            : {
     332                 :            :         int rc;
     333                 :            : 
     334   [ #  #  #  #  :     165085 :         req->bdev_io_wait.bdev = bdev;
                   #  # ]
     335   [ #  #  #  #  :     165085 :         req->bdev_io_wait.cb_fn = cb_fn;
                   #  # ]
     336   [ #  #  #  #  :     165085 :         req->bdev_io_wait.cb_arg = cb_arg;
                   #  # ]
     337                 :            : 
     338         [ #  # ]:     165085 :         rc = spdk_bdev_queue_io_wait(bdev, ch, &req->bdev_io_wait);
     339         [ -  + ]:     165085 :         if (rc != 0) {
     340         [ #  # ]:          0 :                 assert(false);
     341                 :            :         }
     342   [ #  #  #  #  :     165085 :         req->qpair->group->stat.pending_bdev_io++;
          #  #  #  #  #  
                #  #  # ]
     343                 :     165085 : }
     344                 :            : 
     345                 :            : bool
     346                 :          0 : nvmf_bdev_zcopy_enabled(struct spdk_bdev *bdev)
     347                 :            : {
     348                 :          0 :         return spdk_bdev_io_type_supported(bdev, SPDK_BDEV_IO_TYPE_ZCOPY);
     349                 :            : }
     350                 :            : 
     351                 :            : int
     352                 :   12997172 : nvmf_bdev_ctrlr_read_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     353                 :            :                          struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
     354                 :            : {
     355                 :   51597347 :         struct spdk_bdev_ext_io_opts opts = {
     356                 :            :                 .size = SPDK_SIZEOF(&opts, accel_sequence),
     357   [ +  -  +  - ]:   12997172 :                 .memory_domain = req->memory_domain,
     358   [ +  -  +  - ]:   12997172 :                 .memory_domain_ctx = req->memory_domain_ctx,
     359   [ +  -  +  - ]:   12997172 :                 .accel_sequence = req->accel_sequence,
     360                 :            :         };
     361                 :   12997172 :         uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
     362                 :   12997172 :         uint32_t block_size = spdk_bdev_desc_get_block_size(desc);
     363   [ +  -  +  -  :   12997172 :         struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
                   +  - ]
     364   [ +  -  +  -  :   12997172 :         struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
                   +  - ]
     365                 :     130447 :         uint64_t start_lba;
     366                 :     130447 :         uint64_t num_blocks;
     367                 :            :         int rc;
     368                 :            : 
     369                 :   12997172 :         nvmf_bdev_ctrlr_get_rw_params(cmd, &start_lba, &num_blocks);
     370                 :   12997172 :         nvmf_bdev_ctrlr_get_rw_ext_params(cmd, &opts);
     371                 :            : 
     372         [ -  + ]:   12997172 :         if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, start_lba, num_blocks))) {
     373                 :          0 :                 SPDK_ERRLOG("end of media\n");
     374   [ #  #  #  #  :          0 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     375   [ #  #  #  #  :          0 :                 rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
                   #  # ]
     376                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     377                 :            :         }
     378                 :            : 
     379   [ +  +  +  -  :   12997172 :         if (spdk_unlikely(num_blocks * block_size > req->length)) {
                   -  + ]
     380   [ #  #  #  # ]:      24123 :                 SPDK_ERRLOG("Read NLB %" PRIu64 " * block size %" PRIu32 " > SGL length %" PRIu32 "\n",
     381                 :            :                             num_blocks, block_size, req->length);
     382   [ #  #  #  #  :      24123 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     383   [ #  #  #  #  :      24123 :                 rsp->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
                   #  # ]
     384                 :      24123 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     385                 :            :         }
     386                 :            : 
     387   [ +  +  #  # ]:   12973049 :         assert(!spdk_nvmf_request_using_zcopy(req));
     388                 :            : 
     389   [ +  -  +  -  :   12973050 :         rc = spdk_bdev_readv_blocks_ext(desc, ch, req->iov, req->iovcnt, start_lba, num_blocks,
                   +  - ]
     390                 :      69755 :                                         nvmf_bdev_ctrlr_complete_cmd, req, &opts);
     391         [ +  + ]:   12973049 :         if (spdk_unlikely(rc)) {
     392         [ +  - ]:      52798 :                 if (rc == -ENOMEM) {
     393                 :      52798 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
     394                 :      52798 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     395                 :            :                 }
     396   [ #  #  #  #  :          0 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     397   [ #  #  #  #  :          0 :                 rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     398                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     399                 :            :         }
     400                 :            : 
     401                 :   12920251 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     402                 :      69755 : }
     403                 :            : 
     404                 :            : int
     405                 :    9726631 : nvmf_bdev_ctrlr_write_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     406                 :            :                           struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
     407                 :            : {
     408                 :   38591938 :         struct spdk_bdev_ext_io_opts opts = {
     409                 :            :                 .size = SPDK_SIZEOF(&opts, nvme_cdw13),
     410   [ +  -  +  - ]:    9726631 :                 .memory_domain = req->memory_domain,
     411   [ +  -  +  - ]:    9726631 :                 .memory_domain_ctx = req->memory_domain_ctx,
     412   [ +  -  +  - ]:    9726631 :                 .accel_sequence = req->accel_sequence,
     413                 :            :         };
     414                 :    9726631 :         uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
     415                 :    9726631 :         uint32_t block_size = spdk_bdev_desc_get_block_size(desc);
     416   [ +  -  +  -  :    9726631 :         struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
                   +  - ]
     417   [ +  -  +  -  :    9726631 :         struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
                   +  - ]
     418                 :     104862 :         uint64_t start_lba;
     419                 :     104862 :         uint64_t num_blocks;
     420                 :            :         int rc;
     421                 :            : 
     422                 :    9726631 :         nvmf_bdev_ctrlr_get_rw_params(cmd, &start_lba, &num_blocks);
     423                 :    9726631 :         nvmf_bdev_ctrlr_get_rw_ext_params(cmd, &opts);
     424                 :            : 
     425         [ -  + ]:    9726631 :         if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, start_lba, num_blocks))) {
     426                 :          0 :                 SPDK_ERRLOG("end of media\n");
     427   [ #  #  #  #  :          0 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     428   [ #  #  #  #  :          0 :                 rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
                   #  # ]
     429                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     430                 :            :         }
     431                 :            : 
     432   [ +  +  +  -  :    9726631 :         if (spdk_unlikely(num_blocks * block_size > req->length)) {
                   -  + ]
     433   [ #  #  #  # ]:          0 :                 SPDK_ERRLOG("Write NLB %" PRIu64 " * block size %" PRIu32 " > SGL length %" PRIu32 "\n",
     434                 :            :                             num_blocks, block_size, req->length);
     435   [ #  #  #  #  :          0 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     436   [ #  #  #  #  :          0 :                 rsp->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
                   #  # ]
     437                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     438                 :            :         }
     439                 :            : 
     440   [ +  +  #  # ]:    9726631 :         assert(!spdk_nvmf_request_using_zcopy(req));
     441                 :            : 
     442   [ +  -  +  -  :    9726632 :         rc = spdk_bdev_writev_blocks_ext(desc, ch, req->iov, req->iovcnt, start_lba, num_blocks,
                   +  - ]
     443                 :      69755 :                                          nvmf_bdev_ctrlr_complete_cmd, req, &opts);
     444         [ +  + ]:    9726631 :         if (spdk_unlikely(rc)) {
     445         [ +  - ]:      49755 :                 if (rc == -ENOMEM) {
     446                 :      49755 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
     447                 :      49755 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     448                 :            :                 }
     449   [ #  #  #  #  :          0 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     450   [ #  #  #  #  :          0 :                 rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     451                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     452                 :            :         }
     453                 :            : 
     454                 :    9676876 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     455                 :      69755 : }
     456                 :            : 
     457                 :            : int
     458                 :         16 : nvmf_bdev_ctrlr_compare_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     459                 :            :                             struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
     460                 :            : {
     461                 :         16 :         uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
     462                 :         16 :         uint32_t block_size = spdk_bdev_desc_get_block_size(desc);
     463   [ #  #  #  #  :         16 :         struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
                   #  # ]
     464   [ #  #  #  #  :         16 :         struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
                   #  # ]
     465                 :         12 :         uint64_t start_lba;
     466                 :         12 :         uint64_t num_blocks;
     467                 :            :         int rc;
     468                 :            : 
     469                 :         16 :         nvmf_bdev_ctrlr_get_rw_params(cmd, &start_lba, &num_blocks);
     470                 :            : 
     471         [ +  + ]:         16 :         if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, start_lba, num_blocks))) {
     472                 :          4 :                 SPDK_ERRLOG("end of media\n");
     473   [ #  #  #  #  :          4 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     474   [ #  #  #  #  :          4 :                 rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
                   #  # ]
     475                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     476                 :            :         }
     477                 :            : 
     478   [ +  +  #  #  :         12 :         if (spdk_unlikely(num_blocks * block_size > req->length)) {
                   #  # ]
     479   [ #  #  #  # ]:          4 :                 SPDK_ERRLOG("Compare NLB %" PRIu64 " * block size %" PRIu32 " > SGL length %" PRIu32 "\n",
     480                 :            :                             num_blocks, block_size, req->length);
     481   [ #  #  #  #  :          4 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     482   [ #  #  #  #  :          4 :                 rsp->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
                   #  # ]
     483                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     484                 :            :         }
     485                 :            : 
     486   [ #  #  #  #  :         10 :         rc = spdk_bdev_comparev_blocks(desc, ch, req->iov, req->iovcnt, start_lba, num_blocks,
                   #  # ]
     487                 :          2 :                                        nvmf_bdev_ctrlr_complete_cmd, req);
     488         [ +  + ]:          8 :         if (spdk_unlikely(rc)) {
     489         [ -  + ]:          4 :                 if (rc == -ENOMEM) {
     490                 :          0 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
     491                 :          0 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     492                 :            :                 }
     493   [ #  #  #  #  :          4 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     494   [ #  #  #  #  :          4 :                 rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     495                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     496                 :            :         }
     497                 :            : 
     498                 :          4 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     499                 :          4 : }
     500                 :            : 
     501                 :            : int
     502                 :       3133 : nvmf_bdev_ctrlr_compare_and_write_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     503                 :            :                                       struct spdk_io_channel *ch, struct spdk_nvmf_request *cmp_req, struct spdk_nvmf_request *write_req)
     504                 :            : {
     505                 :       3133 :         uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
     506                 :       3133 :         uint32_t block_size = spdk_bdev_desc_get_block_size(desc);
     507   [ #  #  #  #  :       3133 :         struct spdk_nvme_cmd *cmp_cmd = &cmp_req->cmd->nvme_cmd;
                   #  # ]
     508   [ #  #  #  #  :       3133 :         struct spdk_nvme_cmd *write_cmd = &write_req->cmd->nvme_cmd;
                   #  # ]
     509   [ #  #  #  #  :       3133 :         struct spdk_nvme_cpl *rsp = &write_req->rsp->nvme_cpl;
                   #  # ]
     510                 :         12 :         uint64_t write_start_lba, cmp_start_lba;
     511                 :         12 :         uint64_t write_num_blocks, cmp_num_blocks;
     512                 :            :         int rc;
     513                 :            : 
     514                 :       3133 :         nvmf_bdev_ctrlr_get_rw_params(cmp_cmd, &cmp_start_lba, &cmp_num_blocks);
     515                 :       3133 :         nvmf_bdev_ctrlr_get_rw_params(write_cmd, &write_start_lba, &write_num_blocks);
     516                 :            : 
     517   [ +  +  +  + ]:       3133 :         if (spdk_unlikely(write_start_lba != cmp_start_lba || write_num_blocks != cmp_num_blocks)) {
     518                 :          4 :                 SPDK_ERRLOG("Fused command start lba / num blocks mismatch\n");
     519   [ #  #  #  #  :          4 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     520   [ #  #  #  #  :          4 :                 rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD;
                   #  # ]
     521                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     522                 :            :         }
     523                 :            : 
     524         [ +  + ]:       3129 :         if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, write_start_lba,
     525                 :            :                           write_num_blocks))) {
     526                 :          4 :                 SPDK_ERRLOG("end of media\n");
     527   [ #  #  #  #  :          4 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     528   [ #  #  #  #  :          4 :                 rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
                   #  # ]
     529                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     530                 :            :         }
     531                 :            : 
     532   [ +  +  #  #  :       3125 :         if (spdk_unlikely(write_num_blocks * block_size > write_req->length)) {
                   #  # ]
     533   [ #  #  #  # ]:          4 :                 SPDK_ERRLOG("Write NLB %" PRIu64 " * block size %" PRIu32 " > SGL length %" PRIu32 "\n",
     534                 :            :                             write_num_blocks, block_size, write_req->length);
     535   [ #  #  #  #  :          4 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     536   [ #  #  #  #  :          4 :                 rsp->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
                   #  # ]
     537                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     538                 :            :         }
     539                 :            : 
     540   [ #  #  #  #  :       3122 :         rc = spdk_bdev_comparev_and_writev_blocks(desc, ch, cmp_req->iov, cmp_req->iovcnt, write_req->iov,
             #  #  #  # ]
     541   [ #  #  #  # ]:       3121 :                         write_req->iovcnt, write_start_lba, write_num_blocks, nvmf_bdev_ctrlr_complete_cmd, write_req);
     542         [ -  + ]:       3121 :         if (spdk_unlikely(rc)) {
     543         [ #  # ]:          0 :                 if (rc == -ENOMEM) {
     544                 :          0 :                         nvmf_bdev_ctrl_queue_io(cmp_req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, cmp_req);
     545                 :          0 :                         nvmf_bdev_ctrl_queue_io(write_req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, write_req);
     546                 :          0 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     547                 :            :                 }
     548   [ #  #  #  #  :          0 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     549   [ #  #  #  #  :          0 :                 rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     550                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     551                 :            :         }
     552                 :            : 
     553                 :       3121 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     554                 :          4 : }
     555                 :            : 
     556                 :            : int
     557                 :       8712 : nvmf_bdev_ctrlr_write_zeroes_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     558                 :            :                                  struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
     559                 :            : {
     560                 :       8712 :         uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
     561   [ #  #  #  #  :       8712 :         struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
                   #  # ]
     562   [ #  #  #  #  :       8712 :         struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
                   #  # ]
     563   [ #  #  #  #  :       8712 :         uint64_t max_write_zeroes_size = req->qpair->ctrlr->subsys->max_write_zeroes_size_kib;
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
     564                 :         12 :         uint64_t start_lba;
     565                 :         12 :         uint64_t num_blocks;
     566                 :            :         int rc;
     567                 :            : 
     568                 :       8712 :         nvmf_bdev_ctrlr_get_rw_params(cmd, &start_lba, &num_blocks);
     569   [ +  +  +  +  :       8712 :         if (spdk_unlikely(max_write_zeroes_size > 0 &&
             +  -  #  # ]
     570                 :            :                           num_blocks > (max_write_zeroes_size << 10) / spdk_bdev_desc_get_block_size(desc))) {
     571                 :          4 :                 SPDK_ERRLOG("invalid write zeroes size, should not exceed %" PRIu64 "Kib\n", max_write_zeroes_size);
     572   [ #  #  #  #  :          4 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     573   [ #  #  #  #  :          4 :                 rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD;
                   #  # ]
     574                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     575                 :            :         }
     576                 :            : 
     577         [ +  + ]:       8708 :         if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, start_lba, num_blocks))) {
     578                 :       5188 :                 SPDK_ERRLOG("end of media\n");
     579   [ #  #  #  #  :       5188 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     580   [ #  #  #  #  :       5188 :                 rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
                   #  # ]
     581                 :       5188 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     582                 :            :         }
     583                 :            : 
     584   [ -  +  #  #  :       3520 :         if (spdk_unlikely(cmd->cdw12_bits.write_zeroes.deac)) {
          #  #  #  #  #  
                      # ]
     585                 :          0 :                 SPDK_ERRLOG("Write Zeroes Deallocate is not supported\n");
     586   [ #  #  #  #  :          0 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     587   [ #  #  #  #  :          0 :                 rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD;
                   #  # ]
     588                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     589                 :            :         }
     590                 :            : 
     591                 :       3522 :         rc = spdk_bdev_write_zeroes_blocks(desc, ch, start_lba, num_blocks,
     592                 :          2 :                                            nvmf_bdev_ctrlr_complete_cmd, req);
     593         [ +  + ]:       3520 :         if (spdk_unlikely(rc)) {
     594         [ -  + ]:          4 :                 if (rc == -ENOMEM) {
     595                 :          0 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
     596                 :          0 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     597                 :            :                 }
     598   [ #  #  #  #  :          4 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     599   [ #  #  #  #  :          4 :                 rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     600                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     601                 :            :         }
     602                 :            : 
     603                 :       3516 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     604                 :          4 : }
     605                 :            : 
     606                 :            : int
     607                 :       5685 : nvmf_bdev_ctrlr_flush_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     608                 :            :                           struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
     609                 :            : {
     610   [ #  #  #  #  :       5685 :         struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
                   #  # ]
     611                 :            :         int rc;
     612                 :            : 
     613                 :            :         /* As for NVMeoF controller, SPDK always set volatile write
     614                 :            :          * cache bit to 1, return success for those block devices
     615                 :            :          * which can't support FLUSH command.
     616                 :            :          */
     617         [ +  + ]:       5685 :         if (!spdk_bdev_io_type_supported(bdev, SPDK_BDEV_IO_TYPE_FLUSH)) {
     618   [ #  #  #  #  :          4 :                 response->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     619   [ #  #  #  #  :          4 :                 response->status.sc = SPDK_NVME_SC_SUCCESS;
                   #  # ]
     620                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     621                 :            :         }
     622                 :            : 
     623                 :       5683 :         rc = spdk_bdev_flush_blocks(desc, ch, 0, spdk_bdev_get_num_blocks(bdev),
     624                 :          2 :                                     nvmf_bdev_ctrlr_complete_cmd, req);
     625         [ +  + ]:       5681 :         if (spdk_unlikely(rc)) {
     626         [ -  + ]:          4 :                 if (rc == -ENOMEM) {
     627                 :          0 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
     628                 :          0 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     629                 :            :                 }
     630   [ #  #  #  #  :          4 :                 response->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     631                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     632                 :            :         }
     633                 :       5677 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     634                 :          3 : }
     635                 :            : 
     636                 :            : struct nvmf_bdev_ctrlr_unmap {
     637                 :            :         struct spdk_nvmf_request        *req;
     638                 :            :         uint32_t                        count;
     639                 :            :         struct spdk_bdev_desc           *desc;
     640                 :            :         struct spdk_bdev                *bdev;
     641                 :            :         struct spdk_io_channel          *ch;
     642                 :            :         uint32_t                        range_index;
     643                 :            : };
     644                 :            : 
     645                 :            : static void
     646                 :      62557 : nvmf_bdev_ctrlr_unmap_cpl(struct spdk_bdev_io *bdev_io, bool success,
     647                 :            :                           void *cb_arg)
     648                 :            : {
     649                 :      62557 :         struct nvmf_bdev_ctrlr_unmap *unmap_ctx = cb_arg;
     650   [ #  #  #  # ]:      62557 :         struct spdk_nvmf_request        *req = unmap_ctx->req;
     651   [ #  #  #  #  :      62557 :         struct spdk_nvme_cpl            *response = &req->rsp->nvme_cpl;
                   #  # ]
     652                 :          0 :         int                             sc, sct;
     653                 :          0 :         uint32_t                        cdw0;
     654                 :            : 
     655         [ #  # ]:      62557 :         unmap_ctx->count--;
     656                 :            : 
     657   [ +  -  #  #  :      62557 :         if (response->status.sct == SPDK_NVME_SCT_GENERIC &&
          #  #  #  #  #  
                      # ]
     658   [ +  -  #  #  :      62557 :             response->status.sc == SPDK_NVME_SC_SUCCESS) {
                   #  # ]
     659                 :      62557 :                 spdk_bdev_io_get_nvme_status(bdev_io, &cdw0, &sct, &sc);
     660   [ #  #  #  # ]:      62557 :                 response->cdw0 = cdw0;
     661   [ #  #  #  #  :      62557 :                 response->status.sc = sc;
                   #  # ]
     662   [ #  #  #  #  :      62557 :                 response->status.sct = sct;
                   #  # ]
     663                 :          0 :         }
     664                 :            : 
     665   [ +  -  #  #  :      62557 :         if (unmap_ctx->count == 0) {
                   #  # ]
     666                 :      62557 :                 spdk_nvmf_request_complete(req);
     667                 :      62557 :                 free(unmap_ctx);
     668                 :          0 :         }
     669                 :      62557 :         spdk_bdev_free_io(bdev_io);
     670                 :      62557 : }
     671                 :            : 
     672                 :            : static int nvmf_bdev_ctrlr_unmap(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     673                 :            :                                  struct spdk_io_channel *ch, struct spdk_nvmf_request *req,
     674                 :            :                                  struct nvmf_bdev_ctrlr_unmap *unmap_ctx);
     675                 :            : static void
     676                 :      62524 : nvmf_bdev_ctrlr_unmap_resubmit(void *arg)
     677                 :            : {
     678                 :      62524 :         struct nvmf_bdev_ctrlr_unmap *unmap_ctx = arg;
     679   [ #  #  #  # ]:      62524 :         struct spdk_nvmf_request *req = unmap_ctx->req;
     680   [ #  #  #  # ]:      62524 :         struct spdk_bdev_desc *desc = unmap_ctx->desc;
     681   [ #  #  #  # ]:      62524 :         struct spdk_bdev *bdev = unmap_ctx->bdev;
     682   [ #  #  #  # ]:      62524 :         struct spdk_io_channel *ch = unmap_ctx->ch;
     683                 :            : 
     684                 :      62524 :         nvmf_bdev_ctrlr_unmap(bdev, desc, ch, req, unmap_ctx);
     685                 :      62524 : }
     686                 :            : 
     687                 :            : static int
     688                 :     125081 : nvmf_bdev_ctrlr_unmap(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     689                 :            :                       struct spdk_io_channel *ch, struct spdk_nvmf_request *req,
     690                 :            :                       struct nvmf_bdev_ctrlr_unmap *unmap_ctx)
     691                 :            : {
     692                 :            :         uint16_t nr, i;
     693   [ #  #  #  #  :     125081 :         struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
                   #  # ]
     694   [ #  #  #  #  :     125081 :         struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
                   #  # ]
     695   [ #  #  #  #  :     125081 :         uint64_t max_discard_size = req->qpair->ctrlr->subsys->max_discard_size_kib;
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
     696                 :     125081 :         uint32_t block_size = spdk_bdev_desc_get_block_size(desc);
     697                 :          0 :         struct spdk_iov_xfer ix;
     698                 :            :         uint64_t lba;
     699                 :            :         uint32_t lba_count;
     700                 :            :         int rc;
     701                 :            : 
     702   [ #  #  #  #  :     125081 :         nr = cmd->cdw10_bits.dsm.nr + 1;
          #  #  #  #  #  
                      # ]
     703   [ -  +  #  #  :     125081 :         if (nr * sizeof(struct spdk_nvme_dsm_range) > req->length) {
                   #  # ]
     704                 :          0 :                 SPDK_ERRLOG("Dataset Management number of ranges > SGL length\n");
     705   [ #  #  #  #  :          0 :                 response->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
                   #  # ]
     706                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     707                 :            :         }
     708                 :            : 
     709         [ +  + ]:     125081 :         if (unmap_ctx == NULL) {
     710                 :      62557 :                 unmap_ctx = calloc(1, sizeof(*unmap_ctx));
     711         [ -  + ]:      62557 :                 if (!unmap_ctx) {
     712   [ #  #  #  #  :          0 :                         response->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     713                 :          0 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     714                 :            :                 }
     715                 :            : 
     716   [ #  #  #  # ]:      62557 :                 unmap_ctx->req = req;
     717   [ #  #  #  # ]:      62557 :                 unmap_ctx->desc = desc;
     718   [ #  #  #  # ]:      62557 :                 unmap_ctx->ch = ch;
     719   [ #  #  #  # ]:      62557 :                 unmap_ctx->bdev = bdev;
     720                 :            : 
     721   [ #  #  #  #  :      62557 :                 response->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     722   [ #  #  #  #  :      62557 :                 response->status.sc = SPDK_NVME_SC_SUCCESS;
                   #  # ]
     723                 :          0 :         } else {
     724         [ #  # ]:      62524 :                 unmap_ctx->count--;  /* dequeued */
     725                 :            :         }
     726                 :            : 
     727   [ #  #  #  #  :     125081 :         spdk_iov_xfer_init(&ix, req->iov, req->iovcnt);
                   #  # ]
     728                 :            : 
     729   [ +  +  #  #  :     187638 :         for (i = unmap_ctx->range_index; i < nr; i++) {
                   #  # ]
     730                 :     125081 :                 struct spdk_nvme_dsm_range dsm_range = { 0 };
     731                 :            : 
     732                 :     125081 :                 spdk_iov_xfer_to_buf(&ix, &dsm_range, sizeof(dsm_range));
     733                 :            : 
     734         [ #  # ]:     125081 :                 lba = dsm_range.starting_lba;
     735         [ #  # ]:     125081 :                 lba_count = dsm_range.length;
     736   [ -  +  -  -  :     125081 :                 if (max_discard_size > 0 && lba_count > (max_discard_size << 10) / block_size) {
             -  -  #  # ]
     737         [ #  # ]:          0 :                         SPDK_ERRLOG("invalid unmap size %" PRIu32 " blocks, should not exceed %" PRIu64 " blocks\n",
     738                 :            :                                     lba_count, max_discard_size << 1);
     739   [ #  #  #  #  :          0 :                         response->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     740   [ #  #  #  #  :          0 :                         response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
                   #  # ]
     741                 :          0 :                         break;
     742                 :            :                 }
     743                 :            : 
     744         [ #  # ]:     125081 :                 unmap_ctx->count++;
     745                 :            : 
     746                 :     125081 :                 rc = spdk_bdev_unmap_blocks(desc, ch, lba, lba_count,
     747                 :          0 :                                             nvmf_bdev_ctrlr_unmap_cpl, unmap_ctx);
     748         [ +  + ]:     125081 :                 if (rc) {
     749         [ +  - ]:      62524 :                         if (rc == -ENOMEM) {
     750                 :      62524 :                                 nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_bdev_ctrlr_unmap_resubmit, unmap_ctx);
     751                 :            :                                 /* Unmap was not yet submitted to bdev */
     752                 :            :                                 /* unmap_ctx->count will be decremented when the request is dequeued */
     753                 :      62524 :                                 return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     754                 :            :                         }
     755   [ #  #  #  #  :          0 :                         response->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     756         [ #  # ]:          0 :                         unmap_ctx->count--;
     757                 :            :                         /* We can't return here - we may have to wait for any other
     758                 :            :                                 * unmaps already sent to complete */
     759                 :          0 :                         break;
     760                 :            :                 }
     761         [ #  # ]:      62557 :                 unmap_ctx->range_index++;
     762                 :          0 :         }
     763                 :            : 
     764   [ -  +  #  #  :      62557 :         if (unmap_ctx->count == 0) {
                   #  # ]
     765                 :          0 :                 free(unmap_ctx);
     766                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     767                 :            :         }
     768                 :            : 
     769                 :      62557 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     770                 :          0 : }
     771                 :            : 
     772                 :            : int
     773                 :      62557 : nvmf_bdev_ctrlr_dsm_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     774                 :            :                         struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
     775                 :            : {
     776   [ #  #  #  #  :      62557 :         struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
                   #  # ]
     777   [ #  #  #  #  :      62557 :         struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
                   #  # ]
     778                 :            : 
     779   [ +  -  #  #  :      62557 :         if (cmd->cdw11_bits.dsm.ad) {
          #  #  #  #  #  
                      # ]
     780                 :      62557 :                 return nvmf_bdev_ctrlr_unmap(bdev, desc, ch, req, NULL);
     781                 :            :         }
     782                 :            : 
     783   [ #  #  #  #  :          0 :         response->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     784   [ #  #  #  #  :          0 :         response->status.sc = SPDK_NVME_SC_SUCCESS;
                   #  # ]
     785                 :          0 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     786                 :          0 : }
     787                 :            : 
     788                 :            : int
     789                 :         29 : nvmf_bdev_ctrlr_copy_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     790                 :            :                          struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
     791                 :            : {
     792   [ #  #  #  #  :         29 :         struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
                   #  # ]
     793   [ #  #  #  #  :         29 :         struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
                   #  # ]
     794   [ #  #  #  #  :         29 :         uint64_t sdlba = ((uint64_t)cmd->cdw11 << 32) + cmd->cdw10;
          #  #  #  #  #  
             #  #  #  #  
                      # ]
     795                 :         29 :         struct spdk_nvme_scc_source_range range = { 0 };
     796                 :         15 :         struct spdk_iov_xfer ix;
     797                 :            :         int rc;
     798                 :            : 
     799   [ +  +  -  +  :         29 :         SPDK_DEBUGLOG(nvmf, "Copy command: SDLBA %lu, NR %u, desc format %u, PRINFOR %u, "
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
                      # ]
     800                 :            :                       "DTYPE %u, STCW %u, PRINFOW %u, FUA %u, LR %u\n",
     801                 :            :                       sdlba,
     802                 :            :                       cmd->cdw12_bits.copy.nr,
     803                 :            :                       cmd->cdw12_bits.copy.df,
     804                 :            :                       cmd->cdw12_bits.copy.prinfor,
     805                 :            :                       cmd->cdw12_bits.copy.dtype,
     806                 :            :                       cmd->cdw12_bits.copy.stcw,
     807                 :            :                       cmd->cdw12_bits.copy.prinfow,
     808                 :            :                       cmd->cdw12_bits.copy.fua,
     809                 :            :                       cmd->cdw12_bits.copy.lr);
     810                 :            : 
     811   [ -  +  #  #  :         29 :         if (spdk_unlikely(req->length != (cmd->cdw12_bits.copy.nr + 1) *
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
     812                 :            :                           sizeof(struct spdk_nvme_scc_source_range))) {
     813   [ #  #  #  #  :          0 :                 response->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     814   [ #  #  #  #  :          0 :                 response->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
                   #  # ]
     815                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     816                 :            :         }
     817                 :            : 
     818                 :            :         /*
     819                 :            :          * We support only one source range, and rely on this with the xfer
     820                 :            :          * below.
     821                 :            :          */
     822   [ +  +  #  #  :         29 :         if (cmd->cdw12_bits.copy.nr > 0) {
          #  #  #  #  #  
                      # ]
     823   [ #  #  #  #  :          4 :                 response->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC;
                   #  # ]
     824   [ #  #  #  #  :          4 :                 response->status.sc = SPDK_NVME_SC_CMD_SIZE_LIMIT_SIZE_EXCEEDED;
                   #  # ]
     825                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     826                 :            :         }
     827                 :            : 
     828   [ +  +  #  #  :         25 :         if (cmd->cdw12_bits.copy.df != 0) {
          #  #  #  #  #  
                      # ]
     829   [ #  #  #  #  :          4 :                 response->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     830   [ #  #  #  #  :          4 :                 response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
                   #  # ]
     831                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     832                 :            :         }
     833                 :            : 
     834   [ #  #  #  #  :         21 :         spdk_iov_xfer_init(&ix, req->iov, req->iovcnt);
                   #  # ]
     835                 :         21 :         spdk_iov_xfer_to_buf(&ix, &range, sizeof(range));
     836                 :            : 
     837   [ #  #  #  #  :         24 :         rc = spdk_bdev_copy_blocks(desc, ch, sdlba, range.slba, range.nlb + 1,
                   #  # ]
     838                 :          3 :                                    nvmf_bdev_ctrlr_complete_cmd, req);
     839         [ +  + ]:         21 :         if (spdk_unlikely(rc)) {
     840         [ -  + ]:          4 :                 if (rc == -ENOMEM) {
     841                 :          0 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
     842                 :          0 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     843                 :            :                 }
     844                 :            : 
     845   [ #  #  #  #  :          4 :                 response->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
     846   [ #  #  #  #  :          4 :                 response->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
     847                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     848                 :            :         }
     849                 :            : 
     850                 :         17 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     851                 :          5 : }
     852                 :            : 
     853                 :            : int
     854                 :     322376 : nvmf_bdev_ctrlr_nvme_passthru_io(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     855                 :            :                                  struct spdk_io_channel *ch, struct spdk_nvmf_request *req)
     856                 :            : {
     857                 :            :         int rc;
     858                 :            : 
     859   [ #  #  #  #  :     322380 :         rc = spdk_bdev_nvme_iov_passthru_md(desc, ch, &req->cmd->nvme_cmd, req->iov, req->iovcnt,
          #  #  #  #  #  
                #  #  # ]
     860   [ #  #  #  # ]:     322376 :                                             req->length, NULL, 0, nvmf_bdev_ctrlr_complete_cmd, req);
     861                 :            : 
     862         [ +  + ]:     322376 :         if (spdk_unlikely(rc)) {
     863         [ +  + ]:     322368 :                 if (rc == -ENOMEM) {
     864                 :          4 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
     865                 :          4 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     866                 :            :                 }
     867   [ #  #  #  #  :     322364 :                 req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC;
          #  #  #  #  #  
                #  #  # ]
     868   [ #  #  #  #  :     322364 :                 req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_INVALID_OPCODE;
          #  #  #  #  #  
                #  #  # ]
     869   [ #  #  #  #  :     322364 :                 req->rsp->nvme_cpl.status.dnr = 1;
          #  #  #  #  #  
                #  #  # ]
     870                 :     322364 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     871                 :            :         }
     872                 :            : 
     873                 :          8 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     874                 :          4 : }
     875                 :            : 
     876                 :            : int
     877                 :        110 : spdk_nvmf_bdev_ctrlr_nvme_passthru_admin(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     878                 :            :                 struct spdk_io_channel *ch, struct spdk_nvmf_request *req,
     879                 :            :                 spdk_nvmf_nvme_passthru_cmd_cb cb_fn)
     880                 :            : {
     881                 :            :         int rc;
     882                 :            : 
     883   [ -  +  #  #  :        110 :         if (spdk_unlikely(req->iovcnt > 1)) {
                   #  # ]
     884   [ #  #  #  #  :          0 :                 req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC;
          #  #  #  #  #  
                #  #  # ]
     885   [ #  #  #  #  :          0 :                 req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
          #  #  #  #  #  
                #  #  # ]
     886   [ #  #  #  #  :          0 :                 req->rsp->nvme_cpl.status.dnr = 1;
          #  #  #  #  #  
                #  #  # ]
     887                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     888                 :            :         }
     889                 :            : 
     890   [ #  #  #  # ]:        110 :         req->cmd_cb_fn = cb_fn;
     891                 :            : 
     892   [ #  #  #  #  :        114 :         rc = spdk_bdev_nvme_admin_passthru(desc, ch, &req->cmd->nvme_cmd, req->iov[0].iov_base, req->length,
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
                      # ]
     893                 :          4 :                                            nvmf_bdev_ctrlr_complete_admin_cmd, req);
     894         [ +  + ]:        110 :         if (spdk_unlikely(rc)) {
     895         [ +  + ]:          8 :                 if (rc == -ENOMEM) {
     896                 :          4 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_admin_cmd_resubmit, req);
     897                 :          4 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     898                 :            :                 }
     899   [ #  #  #  #  :          4 :                 req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC;
          #  #  #  #  #  
                #  #  # ]
     900         [ +  - ]:          4 :                 if (rc == -ENOTSUP) {
     901   [ #  #  #  #  :          4 :                         req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_INVALID_OPCODE;
          #  #  #  #  #  
                #  #  # ]
     902                 :          1 :                 } else {
     903   [ #  #  #  #  :          0 :                         req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
          #  #  #  #  #  
                #  #  # ]
     904                 :            :                 }
     905                 :            : 
     906   [ #  #  #  #  :          4 :                 req->rsp->nvme_cpl.status.dnr = 1;
          #  #  #  #  #  
                #  #  # ]
     907                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     908                 :            :         }
     909                 :            : 
     910                 :        102 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     911                 :          4 : }
     912                 :            : 
     913                 :            : static void
     914                 :      63520 : nvmf_bdev_ctrlr_complete_abort_cmd(struct spdk_bdev_io *bdev_io, bool success, void *cb_arg)
     915                 :            : {
     916                 :      63520 :         struct spdk_nvmf_request *req = cb_arg;
     917                 :            : 
     918   [ +  +  #  # ]:      63520 :         if (success) {
     919   [ #  #  #  #  :      60980 :                 req->rsp->nvme_cpl.cdw0 &= ~1U;
          #  #  #  #  #  
                      # ]
     920                 :          0 :         }
     921                 :            : 
     922                 :      63520 :         spdk_nvmf_request_complete(req);
     923                 :      63520 :         spdk_bdev_free_io(bdev_io);
     924                 :      63520 : }
     925                 :            : 
     926                 :            : int
     927                 :      63520 : spdk_nvmf_bdev_ctrlr_abort_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
     928                 :            :                                struct spdk_io_channel *ch, struct spdk_nvmf_request *req,
     929                 :            :                                struct spdk_nvmf_request *req_to_abort)
     930                 :            : {
     931                 :            :         int rc;
     932                 :            : 
     933   [ -  +  #  #  :      63520 :         assert((req->rsp->nvme_cpl.cdw0 & 1U) != 0);
          #  #  #  #  #  
             #  #  #  #  
                      # ]
     934                 :            : 
     935                 :      63520 :         rc = spdk_bdev_abort(desc, ch, req_to_abort, nvmf_bdev_ctrlr_complete_abort_cmd, req);
     936         [ +  - ]:      63520 :         if (spdk_likely(rc == 0)) {
     937                 :      63520 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     938         [ #  # ]:          0 :         } else if (rc == -ENOMEM) {
     939                 :          0 :                 nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_admin_cmd_resubmit, req);
     940                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
     941                 :            :         } else {
     942                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
     943                 :            :         }
     944                 :          0 : }
     945                 :            : 
     946                 :            : bool
     947                 :     616470 : nvmf_bdev_ctrlr_get_dif_ctx(struct spdk_bdev_desc *desc, struct spdk_nvme_cmd *cmd,
     948                 :            :                             struct spdk_dif_ctx *dif_ctx)
     949                 :            : {
     950                 :     616470 :         uint32_t init_ref_tag, dif_check_flags = 0;
     951                 :            :         int rc;
     952                 :          6 :         struct spdk_dif_ctx_init_ext_opts dif_opts;
     953                 :            : 
     954         [ +  + ]:     616470 :         if (spdk_bdev_desc_get_md_size(desc) == 0) {
     955                 :          4 :                 return false;
     956                 :            :         }
     957                 :            : 
     958                 :            :         /* Initial Reference Tag is the lower 32 bits of the start LBA. */
     959   [ #  #  #  # ]:     616466 :         init_ref_tag = (uint32_t)from_le64(&cmd->cdw10);
     960                 :            : 
     961         [ +  + ]:     616466 :         if (spdk_bdev_desc_is_dif_check_enabled(desc, SPDK_DIF_CHECK_TYPE_REFTAG)) {
     962         [ #  # ]:     583273 :                 dif_check_flags |= SPDK_DIF_FLAGS_REFTAG_CHECK;
     963                 :          0 :         }
     964                 :            : 
     965         [ +  + ]:     616466 :         if (spdk_bdev_desc_is_dif_check_enabled(desc, SPDK_DIF_CHECK_TYPE_GUARD)) {
     966         [ #  # ]:     616462 :                 dif_check_flags |= SPDK_DIF_FLAGS_GUARD_CHECK;
     967                 :          0 :         }
     968                 :            : 
     969                 :     616466 :         dif_opts.size = SPDK_SIZEOF(&dif_opts, dif_pi_format);
     970         [ #  # ]:     616466 :         dif_opts.dif_pi_format = SPDK_DIF_PI_FORMAT_16;
     971                 :    1232932 :         rc = spdk_dif_ctx_init(dif_ctx,
     972                 :          1 :                                spdk_bdev_desc_get_block_size(desc),
     973                 :          1 :                                spdk_bdev_desc_get_md_size(desc),
     974                 :     616466 :                                spdk_bdev_desc_is_md_interleaved(desc),
     975                 :     616466 :                                spdk_bdev_desc_is_dif_head_of_md(desc),
     976                 :          1 :                                spdk_bdev_desc_get_dif_type(desc),
     977                 :          1 :                                dif_check_flags,
     978                 :          1 :                                init_ref_tag, 0, 0, 0, 0, &dif_opts);
     979                 :            : 
     980                 :     616466 :         return (rc == 0) ? true : false;
     981                 :          2 : }
     982                 :            : 
     983                 :            : static void
     984                 :    1078415 : nvmf_bdev_ctrlr_zcopy_start_complete(struct spdk_bdev_io *bdev_io, bool success,
     985                 :            :                                      void *cb_arg)
     986                 :            : {
     987                 :    1078415 :         struct spdk_nvmf_request        *req = cb_arg;
     988                 :          0 :         struct iovec *iov;
     989                 :    1078415 :         int iovcnt = 0;
     990                 :            : 
     991   [ +  +  #  # ]:    1078415 :         if (spdk_unlikely(!success)) {
     992                 :      15470 :                 int                     sc = 0, sct = 0;
     993                 :      15470 :                 uint32_t                cdw0 = 0;
     994   [ #  #  #  #  :      15470 :                 struct spdk_nvme_cpl    *response = &req->rsp->nvme_cpl;
                   #  # ]
     995                 :      15470 :                 spdk_bdev_io_get_nvme_status(bdev_io, &cdw0, &sct, &sc);
     996                 :            : 
     997   [ #  #  #  # ]:      15470 :                 response->cdw0 = cdw0;
     998   [ #  #  #  #  :      15470 :                 response->status.sc = sc;
                   #  # ]
     999   [ #  #  #  #  :      15470 :                 response->status.sct = sct;
                   #  # ]
    1000                 :            : 
    1001                 :      15470 :                 spdk_bdev_free_io(bdev_io);
    1002                 :      15470 :                 spdk_nvmf_request_complete(req);
    1003                 :      15470 :                 return;
    1004                 :            :         }
    1005                 :            : 
    1006                 :    1062945 :         spdk_bdev_io_get_iovec(bdev_io, &iov, &iovcnt);
    1007                 :            : 
    1008   [ -  +  #  # ]:    1062945 :         assert(iovcnt <= NVMF_REQ_MAX_BUFFERS);
    1009   [ -  +  #  # ]:    1062945 :         assert(iovcnt > 0);
    1010                 :            : 
    1011   [ #  #  #  # ]:    1062945 :         req->iovcnt = iovcnt;
    1012                 :            : 
    1013   [ -  +  #  #  :    1062945 :         assert(req->iov == iov);
                   #  # ]
    1014                 :            : 
    1015   [ #  #  #  # ]:    1062945 :         req->zcopy_bdev_io = bdev_io; /* Preserve the bdev_io for the end zcopy */
    1016                 :            : 
    1017                 :    1062945 :         spdk_nvmf_request_complete(req);
    1018                 :            :         /* Don't free the bdev_io here as it is needed for the END ZCOPY */
    1019                 :          0 : }
    1020                 :            : 
    1021                 :            : int
    1022                 :    1078427 : nvmf_bdev_ctrlr_zcopy_start(struct spdk_bdev *bdev,
    1023                 :            :                             struct spdk_bdev_desc *desc,
    1024                 :            :                             struct spdk_io_channel *ch,
    1025                 :            :                             struct spdk_nvmf_request *req)
    1026                 :            : {
    1027   [ #  #  #  #  :    1078427 :         struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
                   #  # ]
    1028                 :    1078427 :         uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev);
    1029                 :    1078427 :         uint32_t block_size = spdk_bdev_desc_get_block_size(desc);
    1030                 :          9 :         uint64_t start_lba;
    1031                 :          9 :         uint64_t num_blocks;
    1032                 :            :         int rc;
    1033                 :            : 
    1034   [ #  #  #  #  :    1078427 :         nvmf_bdev_ctrlr_get_rw_params(&req->cmd->nvme_cmd, &start_lba, &num_blocks);
                   #  # ]
    1035                 :            : 
    1036         [ +  + ]:    1078427 :         if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, start_lba, num_blocks))) {
    1037                 :          4 :                 SPDK_ERRLOG("end of media\n");
    1038   [ #  #  #  #  :          4 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
    1039   [ #  #  #  #  :          4 :                 rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE;
                   #  # ]
    1040                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
    1041                 :            :         }
    1042                 :            : 
    1043   [ +  +  #  #  :    1078423 :         if (spdk_unlikely(num_blocks * block_size > req->length)) {
                   #  # ]
    1044   [ #  #  #  # ]:          4 :                 SPDK_ERRLOG("Read NLB %" PRIu64 " * block size %" PRIu32 " > SGL length %" PRIu32 "\n",
    1045                 :            :                             num_blocks, block_size, req->length);
    1046   [ #  #  #  #  :          4 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
    1047   [ #  #  #  #  :          4 :                 rsp->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID;
                   #  # ]
    1048                 :          4 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
    1049                 :            :         }
    1050                 :            : 
    1051   [ #  #  #  #  :    1078419 :         bool populate = (req->cmd->nvme_cmd.opc == SPDK_NVME_OPC_READ) ? true : false;
             #  #  #  # ]
    1052                 :            : 
    1053   [ #  #  #  #  :    1078420 :         rc = spdk_bdev_zcopy_start(desc, ch, req->iov, req->iovcnt, start_lba,
                   #  # ]
    1054         [ #  # ]:          1 :                                    num_blocks, populate, nvmf_bdev_ctrlr_zcopy_start_complete, req);
    1055         [ -  + ]:    1078419 :         if (spdk_unlikely(rc != 0)) {
    1056         [ #  # ]:          0 :                 if (rc == -ENOMEM) {
    1057                 :          0 :                         nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_ctrlr_process_io_cmd_resubmit, req);
    1058                 :          0 :                         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
    1059                 :            :                 }
    1060   [ #  #  #  #  :          0 :                 rsp->status.sct = SPDK_NVME_SCT_GENERIC;
                   #  # ]
    1061   [ #  #  #  #  :          0 :                 rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
                   #  # ]
    1062                 :          0 :                 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
    1063                 :            :         }
    1064                 :            : 
    1065                 :    1078419 :         return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
    1066                 :          3 : }
    1067                 :            : 
    1068                 :            : static void
    1069                 :    1062945 : nvmf_bdev_ctrlr_zcopy_end_complete(struct spdk_bdev_io *bdev_io, bool success,
    1070                 :            :                                    void *cb_arg)
    1071                 :            : {
    1072                 :    1062945 :         struct spdk_nvmf_request        *req = cb_arg;
    1073                 :            : 
    1074   [ +  +  #  # ]:    1062945 :         if (spdk_unlikely(!success)) {
    1075                 :      15030 :                 int                     sc = 0, sct = 0;
    1076                 :      15030 :                 uint32_t                cdw0 = 0;
    1077   [ #  #  #  #  :      15030 :                 struct spdk_nvme_cpl    *response = &req->rsp->nvme_cpl;
                   #  # ]
    1078                 :      15030 :                 spdk_bdev_io_get_nvme_status(bdev_io, &cdw0, &sct, &sc);
    1079                 :            : 
    1080   [ #  #  #  # ]:      15030 :                 response->cdw0 = cdw0;
    1081   [ #  #  #  #  :      15030 :                 response->status.sc = sc;
                   #  # ]
    1082   [ #  #  #  #  :      15030 :                 response->status.sct = sct;
                   #  # ]
    1083                 :          0 :         }
    1084                 :            : 
    1085                 :    1062945 :         spdk_bdev_free_io(bdev_io);
    1086   [ #  #  #  # ]:    1062945 :         req->zcopy_bdev_io = NULL;
    1087                 :    1062945 :         spdk_nvmf_request_complete(req);
    1088                 :    1062945 : }
    1089                 :            : 
    1090                 :            : void
    1091                 :    1062945 : nvmf_bdev_ctrlr_zcopy_end(struct spdk_nvmf_request *req, bool commit)
    1092                 :            : {
    1093                 :            :         int rc __attribute__((unused));
    1094                 :            : 
    1095   [ #  #  #  #  :    1062945 :         rc = spdk_bdev_zcopy_end(req->zcopy_bdev_io, commit, nvmf_bdev_ctrlr_zcopy_end_complete, req);
                   #  # ]
    1096                 :            : 
    1097                 :            :         /* The only way spdk_bdev_zcopy_end() can fail is if we pass a bdev_io type that isn't ZCOPY */
    1098   [ -  +  #  # ]:    1062945 :         assert(rc == 0);
    1099                 :    1062945 : }

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