Lines Matching +full:lbp +full:- +full:enable
1 // SPDX-License-Identifier: GPL-2.0-or-later
10 * Copyright (C) 2001 - 2020 Douglas Gilbert
34 #include <linux/crc-t10dif.h>
40 #include <linux/t10-pi.h>
142 #define DEF_SCSI_LEVEL 7 /* INQUIRY, byte2 [6->SPC-4; 7->SPC-5] */
156 #define JDELAY_OVERRIDDEN -9999
194 /* As indicated in SAM-5 and SPC-4 Unit Attentions (UAs) are returned in
215 * per-device DEF_CMD_PER_LUN can be changed via sysfs:
223 /* UA - Unit Attention; SA - Service Action; SSU - Start Stop Unit */
224 #define F_D_IN 1 /* Data-in command (e.g. READ) */
225 #define F_D_OUT 2 /* Data-out command (e.g. WRITE) */
228 #define F_RL_WLUN_OK 0x10 /* allowed with REPORT LUNS W-LUN */
236 #define F_SSU_DELAY 0x1000 /* SSU command delay (long-ish) */
366 u32 flags; /* OR-ed set of SDEB_F_* */
369 u8 len_mask[16]; /* len_mask[0]-->cdb_len, then mask for cdb */
406 SDEB_I_ZONE_IN = 31, /* 0x95+SA; all have data-in */
412 /* 0x0; 0x0->0x1f: 6 byte cdbs */
420 /* 0x20; 0x20->0x3f: 10 byte cdbs */
425 /* 0x40; 0x40->0x5f: 10 byte cdbs */
431 /* 0x60; 0x60->0x7d are reserved, 0x7e is "extended cdb" */
435 /* 0x80; 0x80->0x9f: 16 byte cdbs */
442 /* 0xa0; 0xa0->0xbf: 12 byte cdbs */
449 /* 0xc0; 0xc0->0xff: vendor specific */
457 * The following "response" functions return the SCSI mid-level's 4 byte
458 * tuple-in-an-int. To handle commands with an IMMED bit, for a faster
594 0xff, 0xff, 0xff, 0xff, 0x3f, 0xc7} }, /* PRE-FETCH (16) */
714 0, 0, 0, 0} }, /* PRE-FETCH (10) */
811 static int sdeb_first_idx = -1; /* invalid index ==> none created */
812 static int sdeb_most_recent_idx = -1;
826 static bool sdeb_zbc_in_use; /* true for host-aware and host-managed disks */
831 static int submit_queues = DEF_SUBMIT_QUEUES; /* > 1 for multi-queue (mq) */
877 if (!sip || !sip->storep) { in lba2fake_store()
881 return lsip->storep + lba * sdebug_sector_size; in lba2fake_store()
889 return sip->dif_storep + sector; in dif_store()
899 hpnt = sdbg_host->shost; in sdebug_max_tgts_luns()
900 if ((hpnt->this_id >= 0) && in sdebug_max_tgts_luns()
901 (sdebug_num_tgts > hpnt->this_id)) in sdebug_max_tgts_luns()
902 hpnt->max_id = sdebug_num_tgts + 1; in sdebug_max_tgts_luns()
904 hpnt->max_id = sdebug_num_tgts; in sdebug_max_tgts_luns()
906 hpnt->max_lun = SCSI_W_LUN_REPORT_LUNS + 1; in sdebug_max_tgts_luns()
913 /* Set in_bit to -1 to indicate no bit position of invalid field */
922 sbuff = scp->sense_buffer; in mk_sense_invalid_fld()
924 sdev_printk(KERN_ERR, scp->device, in mk_sense_invalid_fld()
949 sdev_printk(KERN_INFO, scp->device, "%s: [sense_key,asc,ascq" in mk_sense_invalid_fld()
958 sbuff = scp->sense_buffer; in mk_sense_buffer()
960 sdev_printk(KERN_ERR, scp->device, in mk_sense_buffer()
969 sdev_printk(KERN_INFO, scp->device, in mk_sense_buffer()
994 return -EINVAL; in scsi_debug_ioctl()
995 /* return -ENOTTY; // correct return but upsets fdisk */ in scsi_debug_ioctl()
1002 sdev->use_10_for_rw = false; in config_cdb_len()
1003 sdev->use_16_for_rw = false; in config_cdb_len()
1004 sdev->use_10_for_ms = false; in config_cdb_len()
1007 sdev->use_10_for_rw = true; in config_cdb_len()
1008 sdev->use_16_for_rw = false; in config_cdb_len()
1009 sdev->use_10_for_ms = false; in config_cdb_len()
1012 sdev->use_10_for_rw = true; in config_cdb_len()
1013 sdev->use_16_for_rw = false; in config_cdb_len()
1014 sdev->use_10_for_ms = true; in config_cdb_len()
1017 sdev->use_10_for_rw = false; in config_cdb_len()
1018 sdev->use_16_for_rw = true; in config_cdb_len()
1019 sdev->use_10_for_ms = true; in config_cdb_len()
1022 sdev->use_10_for_rw = false; in config_cdb_len()
1023 sdev->use_16_for_rw = true; in config_cdb_len()
1024 sdev->use_10_for_ms = true; in config_cdb_len()
1029 sdev->use_10_for_rw = true; in config_cdb_len()
1030 sdev->use_16_for_rw = false; in config_cdb_len()
1031 sdev->use_10_for_ms = false; in config_cdb_len()
1045 shost = sdbg_host->shost; in all_config_cdb_len()
1060 list_for_each_entry(dp, &sdhp->dev_info_list, dev_list) { in clear_luns_changed_on_target()
1061 if ((devip->sdbg_host == dp->sdbg_host) && in clear_luns_changed_on_target()
1062 (devip->target == dp->target)) in clear_luns_changed_on_target()
1063 clear_bit(SDEBUG_UA_LUNS_CHANGED, dp->uas_bm); in clear_luns_changed_on_target()
1073 k = find_first_bit(devip->uas_bm, SDEBUG_NUM_UAS); in make_ua()
1118 * SPC-3 behavior is to report a UNIT ATTENTION with in make_ua()
1121 * received. SPC-4 behavior is to report it only once. in make_ua()
1123 * values as struct scsi_device->scsi_level. in make_ua()
1125 if (sdebug_scsi_level >= 6) /* SPC-4 and above */ in make_ua()
1139 clear_bit(k, devip->uas_bm); in make_ua()
1141 sdev_printk(KERN_INFO, scp->device, in make_ua()
1149 /* Build SCSI "data-in" buffer. Returns 0 if ok else (DID_ERROR << 16). */
1154 struct scsi_data_buffer *sdb = &scp->sdb; in fill_from_dev_buffer()
1156 if (!sdb->length) in fill_from_dev_buffer()
1158 if (scp->sc_data_direction != DMA_FROM_DEVICE) in fill_from_dev_buffer()
1161 act_len = sg_copy_from_buffer(sdb->table.sgl, sdb->table.nents, in fill_from_dev_buffer()
1163 scsi_set_resid(scp, scsi_bufflen(scp) - act_len); in fill_from_dev_buffer()
1168 /* Partial build of SCSI "data-in" buffer. Returns 0 if ok else
1169 * (DID_ERROR << 16). Can write to offset in data-in buffer. If multiple
1177 struct scsi_data_buffer *sdb = &scp->sdb; in p_fill_from_dev_buffer()
1180 if (sdb->length <= off_dst) in p_fill_from_dev_buffer()
1182 if (scp->sc_data_direction != DMA_FROM_DEVICE) in p_fill_from_dev_buffer()
1185 act_len = sg_pcopy_from_buffer(sdb->table.sgl, sdb->table.nents, in p_fill_from_dev_buffer()
1190 n = scsi_bufflen(scp) - (off_dst + act_len); in p_fill_from_dev_buffer()
1195 /* Fetches from SCSI "data-out" buffer. Returns number of bytes fetched into
1196 * 'arr' or -1 if error.
1203 if (scp->sc_data_direction != DMA_TO_DEVICE) in fetch_to_dev_buffer()
1204 return -1; in fetch_to_dev_buffer()
1250 /* NAA-3, Logical unit identifier (binary) */ in inquiry_vpd_83()
1268 /* NAA-3, Target port identifier */ in inquiry_vpd_83()
1275 /* NAA-3, Target port group identifier */ in inquiry_vpd_83()
1284 /* NAA-3, Target device identifier */ in inquiry_vpd_83()
1292 arr[num++] = 0x63; /* proto=sas, UTF-8 */ in inquiry_vpd_83()
1336 memset(arr + num + olen, 0, plen - olen); in inquiry_vpd_85()
1348 memset(arr + num + olen, 0, plen - olen); in inquiry_vpd_85()
1370 /* naa-5 target port identifier (A) */ in inquiry_vpd_88()
1385 /* naa-5 target port identifier (B) */ in inquiry_vpd_88()
1456 /* Block limits VPD page (SBC-3) */
1503 /* Block device characteristics VPD page (SBC-3) */
1511 if (devip->zmodel == BLK_ZONED_HA) in inquiry_vpd_b1()
1517 /* Logical block provisioning VPD page (SBC-4) */
1543 * Optimal number of non-sequentially written sequential write in inquiry_vpd_b6()
1549 if (sdeb_zbc_model == BLK_ZONED_HM && devip->max_open) in inquiry_vpd_b6()
1550 put_unaligned_be32(devip->max_open, &arr[12]); in inquiry_vpd_b6()
1563 unsigned char *cmd = scp->cmnd; in resp_inquiry()
1572 is_zbc = (devip->zmodel != BLK_ZONED_NONE); in resp_inquiry()
1574 have_wlun = scsi_is_wlun(scp->device->lun); in resp_inquiry()
1577 else if (sdebug_no_lun_0 && (devip->lun == SDEBUG_LUN_0_VAL)) in resp_inquiry()
1589 int host_no = devip->sdbg_host->shost->host_no; in resp_inquiry()
1592 (devip->channel & 0x7f); in resp_inquiry()
1595 lu_id_num = have_wlun ? -1 : (((host_no + 1) * 2000) + in resp_inquiry()
1596 (devip->target * 1000) + devip->lun); in resp_inquiry()
1598 (devip->target * 1000) - 3; in resp_inquiry()
1620 arr[3] = n - 4; /* number of supported VPD pages */ in resp_inquiry()
1630 &devip->lu_name); in resp_inquiry()
1650 arr[4] = 0x2; /* disconnect-reconnect mp */ in resp_inquiry()
1674 mk_sense_invalid_fld(scp, SDEB_IN_CDB, 2, -1); in resp_inquiry()
1688 arr[4] = SDEBUG_LONG_INQ_SZ - 5; in resp_inquiry()
1701 put_unaligned_be16(0xc0, arr + 58); /* SAM-6 no version claimed */ in resp_inquiry()
1702 put_unaligned_be16(0x5c0, arr + 60); /* SPC-5 no version claimed */ in resp_inquiry()
1704 if (is_disk) { /* SBC-4 no version claimed */ in resp_inquiry()
1707 } else if (sdebug_ptype == TYPE_TAPE) { /* SSC-4 rev 3 */ in resp_inquiry()
1714 put_unaligned_be16(0x2100, arr + n); /* SPL-4 no version claimed */ in resp_inquiry()
1728 unsigned char *cmd = scp->cmnd; in resp_requests()
1733 int stopped_state = atomic_read(&devip->stopped); in resp_requests()
1781 unsigned char *cmd = scp->cmnd; in resp_start_stop()
1791 stopped_state = atomic_read(&devip->stopped); in resp_start_stop()
1795 if (ktime_to_ns(now_ts) > ktime_to_ns(devip->create_ts)) { in resp_start_stop()
1796 u64 diff_ns = ktime_to_ns(ktime_sub(now_ts, devip->create_ts)); in resp_start_stop()
1800 atomic_set(&devip->stopped, 0); in resp_start_stop()
1815 atomic_xchg(&devip->stopped, want_stop); in resp_start_stop()
1844 capac = (unsigned int)sdebug_capacity - 1; in resp_readcap()
1856 unsigned char *cmd = scp->cmnd; in resp_readcap16()
1864 put_unaligned_be64((u64)(sdebug_capacity - 1), arr + 0); in resp_readcap16()
1882 arr[12] = (sdebug_dif - 1) << 1; /* P_TYPE */ in resp_readcap16()
1895 unsigned char *cmd = scp->cmnd; in resp_report_tgtpgs()
1897 int host_no = devip->sdbg_host->shost->host_no; in resp_report_tgtpgs()
1914 (devip->channel & 0x7f); in resp_report_tgtpgs()
1916 (devip->channel & 0x7f) + 0x80; in resp_report_tgtpgs()
1952 rlen = n - 4; in resp_report_tgtpgs()
1957 * - The allocated length in resp_report_tgtpgs()
1958 * - The constructed command length in resp_report_tgtpgs()
1959 * - The maximum array size in resp_report_tgtpgs()
1979 u8 *cmd = scp->cmnd; in resp_rsup_opcodes()
1987 mk_sense_invalid_fld(scp, SDEB_IN_CDB, 6, -1); in resp_rsup_opcodes()
2004 oip->num_attached != 0xff; ++oip) { in resp_rsup_opcodes()
2005 if (F_INV_OP & oip->flags) in resp_rsup_opcodes()
2007 count += (oip->num_attached + 1); in resp_rsup_opcodes()
2012 oip->num_attached != 0xff && offset < a_len; ++oip) { in resp_rsup_opcodes()
2013 if (F_INV_OP & oip->flags) in resp_rsup_opcodes()
2015 na = oip->num_attached; in resp_rsup_opcodes()
2016 arr[offset] = oip->opcode; in resp_rsup_opcodes()
2017 put_unaligned_be16(oip->sa, arr + offset + 2); in resp_rsup_opcodes()
2020 if (FF_SA & oip->flags) in resp_rsup_opcodes()
2022 put_unaligned_be16(oip->len_mask[0], arr + offset + 6); in resp_rsup_opcodes()
2026 for (k = 0, oip = oip->arrp; k < na; ++k, ++oip) { in resp_rsup_opcodes()
2027 if (F_INV_OP & oip->flags) in resp_rsup_opcodes()
2030 arr[offset] = oip->opcode; in resp_rsup_opcodes()
2031 put_unaligned_be16(oip->sa, arr + offset + 2); in resp_rsup_opcodes()
2034 if (FF_SA & oip->flags) in resp_rsup_opcodes()
2036 put_unaligned_be16(oip->len_mask[0], in resp_rsup_opcodes()
2051 if (F_INV_OP & oip->flags) { in resp_rsup_opcodes()
2056 if (FF_SA & oip->flags) { in resp_rsup_opcodes()
2064 0 == (FF_SA & oip->flags)) { in resp_rsup_opcodes()
2065 mk_sense_invalid_fld(scp, SDEB_IN_CDB, 4, -1); in resp_rsup_opcodes()
2069 if (0 == (FF_SA & oip->flags) && in resp_rsup_opcodes()
2070 req_opcode == oip->opcode) in resp_rsup_opcodes()
2072 else if (0 == (FF_SA & oip->flags)) { in resp_rsup_opcodes()
2073 na = oip->num_attached; in resp_rsup_opcodes()
2074 for (k = 0, oip = oip->arrp; k < na; in resp_rsup_opcodes()
2076 if (req_opcode == oip->opcode) in resp_rsup_opcodes()
2080 } else if (req_sa != oip->sa) { in resp_rsup_opcodes()
2081 na = oip->num_attached; in resp_rsup_opcodes()
2082 for (k = 0, oip = oip->arrp; k < na; in resp_rsup_opcodes()
2084 if (req_sa == oip->sa) in resp_rsup_opcodes()
2091 u = oip->len_mask[0]; in resp_rsup_opcodes()
2093 arr[4] = oip->opcode; in resp_rsup_opcodes()
2096 oip->len_mask[k] : 0xff; in resp_rsup_opcodes()
2125 u8 *cmd = scp->cmnd; in resp_rsup_tmfs()
2131 mk_sense_invalid_fld(scp, SDEB_IN_CDB, 6, -1); in resp_rsup_tmfs()
2149 { /* Read-Write Error Recovery page for mode_sense */ in resp_err_recov_pg()
2155 memset(p + 2, 0, sizeof(err_recov_pg) - 2); in resp_err_recov_pg()
2160 { /* Disconnect-Reconnect page for mode_sense */ in resp_disconnect_pg()
2166 memset(p + 2, 0, sizeof(disconnect_pg) - 2); in resp_disconnect_pg()
2182 memset(p + 2, 0, sizeof(format_pg) - 2); in resp_format_pg()
2250 { /* SAS SSP mode page - short format for mode_sense */ in resp_sas_sf_m_pg()
2256 memset(p + 2, 0, sizeof(sas_sf_m_pg) - 2); in resp_sas_sf_m_pg()
2290 memset(p + 4, 0, sizeof(sas_pcd_m_pg) - 4); in resp_sas_pcd_m_spg()
2302 memset(p + 4, 0, sizeof(sas_sha_m_pg) - 4); in resp_sas_sha_m_spg()
2314 int target = scp->device->id; in resp_mode_sense()
2317 unsigned char *cmd = scp->cmnd; in resp_mode_sense()
2327 is_zbc = (devip->zmodel != BLK_ZONED_NONE); in resp_mode_sense()
2338 target_dev_id = ((devip->sdbg_host->shost->host_no + 1) * 2000) + in resp_mode_sense()
2339 (devip->target * 1000) - 3; in resp_mode_sense()
2342 dev_spec = 0x10; /* =0x90 if WP=1 implies read-only */ in resp_mode_sense()
2379 mk_sense_invalid_fld(scp, SDEB_IN_CDB, 3, -1); in resp_mode_sense()
2385 case 0x1: /* Read-Write error recovery page, direct access */ in resp_mode_sense()
2389 case 0x2: /* Disconnect-Reconnect page, all devices */ in resp_mode_sense()
2413 mk_sense_invalid_fld(scp, SDEB_IN_CDB, 3, -1); in resp_mode_sense()
2453 mk_sense_invalid_fld(scp, SDEB_IN_CDB, 3, -1); in resp_mode_sense()
2466 arr[0] = offset - 1; in resp_mode_sense()
2468 put_unaligned_be16((offset - 2), arr + 0); in resp_mode_sense()
2480 unsigned char *cmd = scp->cmnd; in resp_mode_select()
2488 mk_sense_invalid_fld(scp, SDEB_IN_CDB, mselect6 ? 4 : 7, -1); in resp_mode_select()
2492 if (-1 == res) in resp_mode_select()
2495 sdev_printk(KERN_INFO, scp->device, in resp_mode_select()
2501 mk_sense_invalid_fld(scp, SDEB_IN_DATA, 0, -1); in resp_mode_select()
2523 sizeof(caching_pg) - 2); in resp_mode_select()
2530 sizeof(ctrl_m_pg) - 2); in resp_mode_select()
2542 sizeof(iec_m_pg) - 2); in resp_mode_select()
2552 set_bit(SDEBUG_UA_MODE_CHANGED, devip->uas_bm); in resp_mode_select()
2586 unsigned char *cmd = scp->cmnd; in resp_log_sense()
2606 arr[3] = n - 4; in resp_log_sense()
2632 arr[3] = n - 4; in resp_log_sense()
2638 arr[3] = n - 4; in resp_log_sense()
2644 arr[3] = n - 4; in resp_log_sense()
2651 mk_sense_invalid_fld(scp, SDEB_IN_CDB, 3, -1); in resp_log_sense()
2661 return devip->nr_zones != 0; in sdebug_dev_is_zoned()
2667 return &devip->zstate[lba >> devip->zsize_shift]; in zbc_zone()
2672 return zsp->z_type == ZBC_ZONE_TYPE_CNV; in zbc_zone_is_conv()
2683 zc = zsp->z_cond; in zbc_close_zone()
2688 devip->nr_imp_open--; in zbc_close_zone()
2690 devip->nr_exp_open--; in zbc_close_zone()
2692 if (zsp->z_wp == zsp->z_start) { in zbc_close_zone()
2693 zsp->z_cond = ZC1_EMPTY; in zbc_close_zone()
2695 zsp->z_cond = ZC4_CLOSED; in zbc_close_zone()
2696 devip->nr_closed++; in zbc_close_zone()
2702 struct sdeb_zone_state *zsp = &devip->zstate[0]; in zbc_close_imp_open_zone()
2705 for (i = 0; i < devip->nr_zones; i++, zsp++) { in zbc_close_imp_open_zone()
2706 if (zsp->z_cond == ZC2_IMPLICIT_OPEN) { in zbc_close_imp_open_zone()
2721 zc = zsp->z_cond; in zbc_open_zone()
2727 if (explicit && zsp->z_cond == ZC2_IMPLICIT_OPEN) in zbc_open_zone()
2729 else if (devip->max_open && in zbc_open_zone()
2730 devip->nr_imp_open + devip->nr_exp_open >= devip->max_open) in zbc_open_zone()
2733 if (zsp->z_cond == ZC4_CLOSED) in zbc_open_zone()
2734 devip->nr_closed--; in zbc_open_zone()
2736 zsp->z_cond = ZC3_EXPLICIT_OPEN; in zbc_open_zone()
2737 devip->nr_exp_open++; in zbc_open_zone()
2739 zsp->z_cond = ZC2_IMPLICIT_OPEN; in zbc_open_zone()
2740 devip->nr_imp_open++; in zbc_open_zone()
2748 unsigned long long n, end, zend = zsp->z_start + zsp->z_size; in zbc_inc_wp()
2753 if (zsp->z_type == ZBC_ZONE_TYPE_SWR) { in zbc_inc_wp()
2754 zsp->z_wp += num; in zbc_inc_wp()
2755 if (zsp->z_wp >= zend) in zbc_inc_wp()
2756 zsp->z_cond = ZC5_FULL; in zbc_inc_wp()
2761 if (lba != zsp->z_wp) in zbc_inc_wp()
2762 zsp->z_non_seq_resource = true; in zbc_inc_wp()
2766 n = zend - lba; in zbc_inc_wp()
2767 zsp->z_wp = zend; in zbc_inc_wp()
2768 } else if (end > zsp->z_wp) { in zbc_inc_wp()
2770 zsp->z_wp = end; in zbc_inc_wp()
2774 if (zsp->z_wp >= zend) in zbc_inc_wp()
2775 zsp->z_cond = ZC5_FULL; in zbc_inc_wp()
2777 num -= n; in zbc_inc_wp()
2781 zend = zsp->z_start + zsp->z_size; in zbc_inc_wp()
2789 struct scsi_device *sdp = scp->device; in check_zbc_access_params()
2790 struct sdebug_dev_info *devip = (struct sdebug_dev_info *)sdp->hostdata; in check_zbc_access_params()
2792 struct sdeb_zone_state *zsp_end = zbc_zone(devip, lba + num - 1); in check_zbc_access_params()
2795 if (devip->zmodel == BLK_ZONED_HA) in check_zbc_access_params()
2797 /* For host-managed, reads cannot cross zone types boundaries */ in check_zbc_access_params()
2820 if (zsp->z_type == ZBC_ZONE_TYPE_SWR) { in check_zbc_access_params()
2829 if (zsp->z_cond == ZC5_FULL) { in check_zbc_access_params()
2835 if (lba != zsp->z_wp) { in check_zbc_access_params()
2844 if (zsp->z_cond == ZC1_EMPTY || zsp->z_cond == ZC4_CLOSED) { in check_zbc_access_params()
2845 if (devip->max_open && in check_zbc_access_params()
2846 devip->nr_exp_open >= devip->max_open) { in check_zbc_access_params()
2862 struct scsi_device *sdp = scp->device; in check_device_access_params()
2863 struct sdebug_dev_info *devip = (struct sdebug_dev_info *)sdp->hostdata; in check_device_access_params()
2898 return xa_load(per_store_ap, devip->sdbg_host->si_idx); in devip2sip()
2901 /* Returns number of bytes copied or -1 if error. */
2908 struct scsi_data_buffer *sdb = &scp->sdb; in do_device_access()
2918 if (!sdb->length || !sip) in do_device_access()
2920 if (scp->sc_data_direction != dir) in do_device_access()
2921 return -1; in do_device_access()
2922 fsp = sip->storep; in do_device_access()
2926 rest = block + num - sdebug_store_sectors; in do_device_access()
2928 ret = sg_copy_buffer(sdb->table.sgl, sdb->table.nents, in do_device_access()
2930 (num - rest) * sdebug_sector_size, sg_skip, do_write); in do_device_access()
2931 if (ret != (num - rest) * sdebug_sector_size) in do_device_access()
2935 ret += sg_copy_buffer(sdb->table.sgl, sdb->table.nents, in do_device_access()
2937 sg_skip + ((num - rest) * sdebug_sector_size), in do_device_access()
2944 /* Returns number of bytes copied or -1 if error. */
2947 struct scsi_data_buffer *sdb = &scp->sdb; in do_dout_fetch()
2949 if (!sdb->length) in do_dout_fetch()
2951 if (scp->sc_data_direction != DMA_TO_DEVICE) in do_dout_fetch()
2952 return -1; in do_dout_fetch()
2953 return sg_copy_buffer(sdb->table.sgl, sdb->table.nents, doutp, in do_dout_fetch()
2957 /* If sip->storep+lba compares equal to arr(num), then copy top half of
2958 * arr into sip->storep+lba and return true. If comparison fails then
2967 u8 *fsp = sip->storep; in comp_write_worker()
2971 rest = block + num - store_blks; in comp_write_worker()
2973 res = !memcmp(fsp + (block * lb_size), arr, (num - rest) * lb_size); in comp_write_worker()
2977 res = memcmp(fsp, arr + ((num - rest) * lb_size), in comp_write_worker()
2984 memcpy(fsp + (block * lb_size), arr, (num - rest) * lb_size); in comp_write_worker()
2986 memcpy(fsp, arr + ((num - rest) * lb_size), rest * lb_size); in comp_write_worker()
3007 if (sdt->guard_tag != csum) { in dif_verify()
3010 be16_to_cpu(sdt->guard_tag), in dif_verify()
3015 be32_to_cpu(sdt->ref_tag) != (sector & 0xffffffff)) { in dif_verify()
3021 be32_to_cpu(sdt->ref_tag) != ei_lba) { in dif_verify()
3035 scp->device->hostdata, true); in dif_copy_prot()
3036 struct t10_pi_tuple *dif_storep = sip->dif_storep; in dif_copy_prot()
3053 rest = start + len - dif_store_end; in dif_copy_prot()
3058 memcpy(paddr, start, len - rest); in dif_copy_prot()
3060 memcpy(start, paddr, len - rest); in dif_copy_prot()
3064 memcpy(paddr + len - rest, dif_storep, rest); in dif_copy_prot()
3066 memcpy(dif_storep, paddr + len - rest, rest); in dif_copy_prot()
3070 resid -= len; in dif_copy_prot()
3081 scp->device->hostdata, true); in prot_verify_read()
3090 if (sdt->app_tag == cpu_to_be16(0xffff)) in prot_verify_read()
3115 rwlock_t *macc_lckp = sip ? &sip->macc_lck : &sdeb_fake_rw_lck; in resp_read_dt0()
3116 u8 *cmd = scp->cmnd; in resp_read_dt0()
3166 sdev_printk(KERN_ERR, scp->device, "Unprotected RD " in resp_read_dt0()
3179 (lba <= (sdebug_medium_error_start + sdebug_medium_error_count - 1)) && in resp_read_dt0()
3184 if (0x70 == (scp->sense_buffer[0] & 0x7f)) { in resp_read_dt0()
3185 scp->sense_buffer[0] |= 0x80; /* Valid bit */ in resp_read_dt0()
3188 put_unaligned_be32(ret, scp->sense_buffer + 3); in resp_read_dt0()
3209 if (unlikely(ret == -1)) in resp_read_dt0()
3212 scsi_set_resid(scp, scsi_bufflen(scp) - ret); in resp_read_dt0()
3246 n += scnprintf(b + n, sizeof(b) - n, in dump_sector()
3249 n += scnprintf(b + n, sizeof(b) - n, in dump_sector()
3331 lba += sdebug_unmap_granularity - sdebug_unmap_alignment; in lba_to_map_index()
3341 lba -= sdebug_unmap_granularity - sdebug_unmap_alignment; in map_index_to_lba()
3354 mapped = test_bit(index, sip->map_storep); in map_state()
3357 next = find_next_zero_bit(sip->map_storep, map_size, index); in map_state()
3359 next = find_next_bit(sip->map_storep, map_size, index); in map_state()
3362 *num = end - lba; in map_state()
3375 set_bit(index, sip->map_storep); in map_region()
3385 u8 *fsp = sip->storep; in unmap_region()
3393 clear_bit(index, sip->map_storep); in unmap_region()
3400 if (sip->dif_storep) { in unmap_region()
3401 memset(sip->dif_storep + lba, 0xff, in unmap_region()
3402 sizeof(*sip->dif_storep) * in unmap_region()
3418 rwlock_t *macc_lckp = &sip->macc_lck; in resp_write_dt0()
3419 u8 *cmd = scp->cmnd; in resp_write_dt0()
3469 sdev_printk(KERN_ERR, scp->device, "Unprotected WR " in resp_write_dt0()
3498 if (unlikely(-1 == ret)) in resp_write_dt0()
3502 sdev_printk(KERN_INFO, scp->device, in resp_write_dt0()
3533 u8 *cmd = scp->cmnd; in resp_write_scat()
3537 rwlock_t *macc_lckp = &sip->macc_lck; in resp_write_scat()
3569 sdev_printk(KERN_ERR, scp->device, in resp_write_scat()
3574 return 0; /* T10 says these do-nothings are not errors */ in resp_write_scat()
3577 sdev_printk(KERN_INFO, scp->device, in resp_write_scat()
3586 sdev_printk(KERN_INFO, scp->device, in resp_write_scat()
3596 sdev_printk(KERN_INFO, scp->device, in resp_write_scat()
3600 if (res == -1) { in resp_write_scat()
3613 sdev_printk(KERN_INFO, scp->device, in resp_write_scat()
3626 sdev_printk(KERN_INFO, scp->device, in resp_write_scat()
3654 if (unlikely(-1 == ret)) { in resp_write_scat()
3658 sdev_printk(KERN_INFO, scp->device, in resp_write_scat()
3696 struct scsi_device *sdp = scp->device; in resp_write_same()
3697 struct sdebug_dev_info *devip = (struct sdebug_dev_info *)sdp->hostdata; in resp_write_same()
3703 scp->device->hostdata, true); in resp_write_same()
3704 rwlock_t *macc_lckp = &sip->macc_lck; in resp_write_same()
3723 fsp = sip->storep; in resp_write_same()
3731 if (-1 == ret) { in resp_write_same()
3732 write_unlock(&sip->macc_lck); in resp_write_same()
3735 sdev_printk(KERN_INFO, scp->device, in resp_write_same()
3759 u8 *cmd = scp->cmnd; in resp_write_same_10()
3775 mk_sense_invalid_fld(scp, SDEB_IN_CDB, 7, -1); in resp_write_same_10()
3784 u8 *cmd = scp->cmnd; in resp_write_same_16()
3798 if (cmd[1] & 0x1) /* NDOB (no data-out buffer, assumes zeroes) */ in resp_write_same_16()
3803 mk_sense_invalid_fld(scp, SDEB_IN_CDB, 10, -1); in resp_write_same_16()
3810 * field. For the Report supported operation codes command, SPC-4 suggests
3815 u8 *cmd = scp->cmnd; in resp_write_buffer()
3816 struct scsi_device *sdp = scp->device; in resp_write_buffer()
3824 set_bit(SDEBUG_UA_BUS_RESET, devip->uas_bm); in resp_write_buffer()
3825 set_bit(SDEBUG_UA_MICROCODE_CHANGED, devip->uas_bm); in resp_write_buffer()
3828 set_bit(SDEBUG_UA_MICROCODE_CHANGED_WO_RESET, devip->uas_bm); in resp_write_buffer()
3833 &devip->sdbg_host->dev_info_list, in resp_write_buffer()
3835 if (dp->target == sdp->id) { in resp_write_buffer()
3836 set_bit(SDEBUG_UA_BUS_RESET, dp->uas_bm); in resp_write_buffer()
3839 dp->uas_bm); in resp_write_buffer()
3845 &devip->sdbg_host->dev_info_list, in resp_write_buffer()
3847 if (dp->target == sdp->id) in resp_write_buffer()
3849 dp->uas_bm); in resp_write_buffer()
3861 u8 *cmd = scp->cmnd; in resp_comp_write()
3864 rwlock_t *macc_lckp = &sip->macc_lck; in resp_comp_write()
3884 sdev_printk(KERN_ERR, scp->device, "Unprotected WR " in resp_comp_write()
3900 if (ret == -1) { in resp_comp_write()
3904 sdev_printk(KERN_INFO, scp->device, "%s: compare_write: cdb " in resp_comp_write()
3931 rwlock_t *macc_lckp = &sip->macc_lck; in resp_unmap()
3937 payload_len = get_unaligned_be16(scp->cmnd + 7); in resp_unmap()
3940 descriptors = (payload_len - 8) / 16; in resp_unmap()
3942 mk_sense_invalid_fld(scp, SDEB_IN_CDB, 7, -1); in resp_unmap()
3955 BUG_ON(get_unaligned_be16(&buf[0]) != payload_len - 2); in resp_unmap()
3987 u8 *cmd = scp->cmnd; in resp_get_lba_status()
4011 if (sdebug_capacity - lba <= 0xffffffff) in resp_get_lba_status()
4012 num = sdebug_capacity - lba; in resp_get_lba_status()
4032 u8 *cmd = scp->cmnd; in resp_sync_cache()
4053 * Assuming the LBA+num_blocks is not out-of-range, this function will return
4066 u8 *cmd = scp->cmnd; in resp_pre_fetch()
4068 rwlock_t *macc_lckp = &sip->macc_lck; in resp_pre_fetch()
4069 u8 *fsp = sip->storep; in resp_pre_fetch()
4074 } else { /* PRE-FETCH(16) */ in resp_pre_fetch()
4084 /* PRE-FETCH spec says nothing about LBP or PI so skip them */ in resp_pre_fetch()
4087 rest = block + nblks - sdebug_store_sectors; in resp_pre_fetch()
4089 /* Try to bring the PRE-FETCH range into CPU's cache */ in resp_pre_fetch()
4092 (nblks - rest) * sdebug_sector_size); in resp_pre_fetch()
4105 * (W-LUN), the normal Linux scanning logic does not associate it with a
4107 * "cd /sys/class/scsi_host/host<n> ; echo '- - 49409' > scan"
4109 * the above will associate a W-LUN to each target. To only get a W-LUN
4110 * for target 2, then use "echo '- 2 49409' > scan" .
4115 unsigned char *cmd = scp->cmnd; in resp_report_luns()
4122 unsigned int wlun_cnt; /* report luns W-LUN count */ in resp_report_luns()
4136 mk_sense_invalid_fld(scp, SDEB_IN_CDB, 6, -1); in resp_report_luns()
4141 case 0: /* all LUNs apart from W-LUNs */ in resp_report_luns()
4145 case 1: /* only W-LUNs */ in resp_report_luns()
4154 case 0x11: /* see SPC-5 */ in resp_report_luns()
4158 mk_sense_invalid_fld(scp, SDEB_IN_CDB, 2, -1); in resp_report_luns()
4163 --lun_cnt; in resp_report_luns()
4186 lun_p->scsi_lun[0] |= 0x40; in resp_report_luns()
4214 u8 *cmd = scp->cmnd; in resp_verify()
4216 rwlock_t *macc_lckp = &sip->macc_lck; in resp_verify()
4256 if (ret == -1) { in resp_verify()
4260 sdev_printk(KERN_INFO, scp->device, in resp_verify()
4292 u8 *cmd = scp->cmnd; in resp_report_zones()
4295 rwlock_t *macc_lckp = sip ? &sip->macc_lck : &sdeb_fake_rw_lck; in resp_report_zones()
4311 max_zones = devip->nr_zones - (zs_lba >> devip->zsize_shift); in resp_report_zones()
4312 rep_max_zones = min((alloc_len - 64) >> ilog2(RZONES_DESC_HD), in resp_report_zones()
4326 lba = zs_lba + devip->zsize * i; in resp_report_zones()
4336 if (zsp->z_cond != ZC1_EMPTY) in resp_report_zones()
4341 if (zsp->z_cond != ZC2_IMPLICIT_OPEN) in resp_report_zones()
4346 if (zsp->z_cond != ZC3_EXPLICIT_OPEN) in resp_report_zones()
4351 if (zsp->z_cond != ZC4_CLOSED) in resp_report_zones()
4356 if (zsp->z_cond != ZC5_FULL) in resp_report_zones()
4363 * Read-only, offline, reset WP recommended are in resp_report_zones()
4368 /* non-seq-resource set */ in resp_report_zones()
4369 if (!zsp->z_non_seq_resource) in resp_report_zones()
4386 desc[0] = zsp->z_type; in resp_report_zones()
4387 desc[1] = zsp->z_cond << 4; in resp_report_zones()
4388 if (zsp->z_non_seq_resource) in resp_report_zones()
4390 put_unaligned_be64((u64)zsp->z_size, desc + 8); in resp_report_zones()
4391 put_unaligned_be64((u64)zsp->z_start, desc + 16); in resp_report_zones()
4392 put_unaligned_be64((u64)zsp->z_wp, desc + 24); in resp_report_zones()
4404 put_unaligned_be64(sdebug_capacity - 1, arr + 8); in resp_report_zones()
4406 rep_len = (unsigned long)desc - (unsigned long)arr; in resp_report_zones()
4415 /* Logic transplanted from tcmu-runner, file_zbc.c */
4418 struct sdeb_zone_state *zsp = &devip->zstate[0]; in zbc_open_all()
4421 for (i = 0; i < devip->nr_zones; i++, zsp++) { in zbc_open_all()
4422 if (zsp->z_cond == ZC4_CLOSED) in zbc_open_all()
4423 zbc_open_zone(devip, &devip->zstate[i], true); in zbc_open_all()
4432 u8 *cmd = scp->cmnd; in resp_open_zone()
4436 rwlock_t *macc_lckp = sip ? &sip->macc_lck : &sdeb_fake_rw_lck; in resp_open_zone()
4447 if (devip->max_open && in resp_open_zone()
4448 devip->nr_exp_open + devip->nr_closed > devip->max_open) { in resp_open_zone()
4468 if (z_id != zsp->z_start) { in resp_open_zone()
4479 zc = zsp->z_cond; in resp_open_zone()
4483 if (devip->max_open && devip->nr_exp_open >= devip->max_open) { in resp_open_zone()
4500 for (i = 0; i < devip->nr_zones; i++) in zbc_close_all()
4501 zbc_close_zone(devip, &devip->zstate[i]); in zbc_close_all()
4509 u8 *cmd = scp->cmnd; in resp_close_zone()
4513 rwlock_t *macc_lckp = sip ? &sip->macc_lck : &sdeb_fake_rw_lck; in resp_close_zone()
4536 if (z_id != zsp->z_start) { in resp_close_zone()
4556 enum sdebug_z_cond zc = zsp->z_cond; in zbc_finish_zone()
4562 if (zsp->z_cond == ZC4_CLOSED) in zbc_finish_zone()
4563 devip->nr_closed--; in zbc_finish_zone()
4564 zsp->z_wp = zsp->z_start + zsp->z_size; in zbc_finish_zone()
4565 zsp->z_cond = ZC5_FULL; in zbc_finish_zone()
4573 for (i = 0; i < devip->nr_zones; i++) in zbc_finish_all()
4574 zbc_finish_zone(devip, &devip->zstate[i], false); in zbc_finish_all()
4583 u8 *cmd = scp->cmnd; in resp_finish_zone()
4586 rwlock_t *macc_lckp = sip ? &sip->macc_lck : &sdeb_fake_rw_lck; in resp_finish_zone()
4609 if (z_id != zsp->z_start) { in resp_finish_zone()
4634 zc = zsp->z_cond; in zbc_rwp_zone()
4638 if (zsp->z_cond == ZC4_CLOSED) in zbc_rwp_zone()
4639 devip->nr_closed--; in zbc_rwp_zone()
4641 zsp->z_non_seq_resource = false; in zbc_rwp_zone()
4642 zsp->z_wp = zsp->z_start; in zbc_rwp_zone()
4643 zsp->z_cond = ZC1_EMPTY; in zbc_rwp_zone()
4650 for (i = 0; i < devip->nr_zones; i++) in zbc_rwp_all()
4651 zbc_rwp_zone(devip, &devip->zstate[i]); in zbc_rwp_all()
4659 u8 *cmd = scp->cmnd; in resp_rwp_zone()
4662 rwlock_t *macc_lckp = sip ? &sip->macc_lck : &sdeb_fake_rw_lck; in resp_rwp_zone()
4684 if (z_id != zsp->z_start) { in resp_rwp_zone()
4704 u32 tag = blk_mq_unique_tag(cmnd->request); in get_queue()
4717 return blk_mq_unique_tag(cmnd->request); in get_tag()
4723 bool aborted = sd_dp->aborted; in sdebug_q_cmd_complete()
4732 sd_dp->defer_t = SDEB_DEFER_NONE; in sdebug_q_cmd_complete()
4734 sd_dp->aborted = false; in sdebug_q_cmd_complete()
4735 qc_idx = sd_dp->qc_idx; in sdebug_q_cmd_complete()
4736 sqp = sdebug_q_arr + sd_dp->sqa_idx; in sdebug_q_cmd_complete()
4739 if (raw_smp_processor_id() != sd_dp->issuing_cpu) in sdebug_q_cmd_complete()
4746 spin_lock_irqsave(&sqp->qc_lock, iflags); in sdebug_q_cmd_complete()
4747 sqcp = &sqp->qc_arr[qc_idx]; in sdebug_q_cmd_complete()
4748 scp = sqcp->a_cmnd; in sdebug_q_cmd_complete()
4750 spin_unlock_irqrestore(&sqp->qc_lock, iflags); in sdebug_q_cmd_complete()
4752 sd_dp->sqa_idx, qc_idx, sd_dp->hc_idx); in sdebug_q_cmd_complete()
4755 devip = (struct sdebug_dev_info *)scp->device->hostdata; in sdebug_q_cmd_complete()
4757 atomic_dec(&devip->num_in_q); in sdebug_q_cmd_complete()
4763 sqcp->a_cmnd = NULL; in sdebug_q_cmd_complete()
4764 if (unlikely(!test_and_clear_bit(qc_idx, sqp->in_use_bm))) { in sdebug_q_cmd_complete()
4765 spin_unlock_irqrestore(&sqp->qc_lock, iflags); in sdebug_q_cmd_complete()
4775 spin_unlock_irqrestore(&sqp->qc_lock, iflags); in sdebug_q_cmd_complete()
4779 k = find_last_bit(sqp->in_use_bm, retval); in sdebug_q_cmd_complete()
4785 spin_unlock_irqrestore(&sqp->qc_lock, iflags); in sdebug_q_cmd_complete()
4791 scp->scsi_done(scp); /* callback to mid level */ in sdebug_q_cmd_complete()
4828 devip->zsize = (DEF_ZBC_ZONE_SIZE_MB * SZ_1M) in sdebug_device_create_zones()
4830 while (capacity < devip->zsize << 2 && devip->zsize >= 2) in sdebug_device_create_zones()
4831 devip->zsize >>= 1; in sdebug_device_create_zones()
4832 if (devip->zsize < 2) { in sdebug_device_create_zones()
4834 return -EINVAL; in sdebug_device_create_zones()
4839 return -EINVAL; in sdebug_device_create_zones()
4841 devip->zsize = (sdeb_zbc_zone_size_mb * SZ_1M) in sdebug_device_create_zones()
4843 if (devip->zsize >= capacity) { in sdebug_device_create_zones()
4845 return -EINVAL; in sdebug_device_create_zones()
4849 devip->zsize_shift = ilog2(devip->zsize); in sdebug_device_create_zones()
4850 devip->nr_zones = (capacity + devip->zsize - 1) >> devip->zsize_shift; in sdebug_device_create_zones()
4852 if (sdeb_zbc_nr_conv >= devip->nr_zones) { in sdebug_device_create_zones()
4854 return -EINVAL; in sdebug_device_create_zones()
4856 devip->nr_conv_zones = sdeb_zbc_nr_conv; in sdebug_device_create_zones()
4858 if (devip->zmodel == BLK_ZONED_HM) { in sdebug_device_create_zones()
4860 if (sdeb_zbc_max_open >= devip->nr_zones - 1) in sdebug_device_create_zones()
4861 devip->max_open = (devip->nr_zones - 1) / 2; in sdebug_device_create_zones()
4863 devip->max_open = sdeb_zbc_max_open; in sdebug_device_create_zones()
4866 devip->zstate = kcalloc(devip->nr_zones, in sdebug_device_create_zones()
4868 if (!devip->zstate) in sdebug_device_create_zones()
4869 return -ENOMEM; in sdebug_device_create_zones()
4871 for (i = 0; i < devip->nr_zones; i++) { in sdebug_device_create_zones()
4872 zsp = &devip->zstate[i]; in sdebug_device_create_zones()
4874 zsp->z_start = zstart; in sdebug_device_create_zones()
4876 if (i < devip->nr_conv_zones) { in sdebug_device_create_zones()
4877 zsp->z_type = ZBC_ZONE_TYPE_CNV; in sdebug_device_create_zones()
4878 zsp->z_cond = ZBC_NOT_WRITE_POINTER; in sdebug_device_create_zones()
4879 zsp->z_wp = (sector_t)-1; in sdebug_device_create_zones()
4881 if (devip->zmodel == BLK_ZONED_HM) in sdebug_device_create_zones()
4882 zsp->z_type = ZBC_ZONE_TYPE_SWR; in sdebug_device_create_zones()
4884 zsp->z_type = ZBC_ZONE_TYPE_SWP; in sdebug_device_create_zones()
4885 zsp->z_cond = ZC1_EMPTY; in sdebug_device_create_zones()
4886 zsp->z_wp = zsp->z_start; in sdebug_device_create_zones()
4889 if (zsp->z_start + devip->zsize < capacity) in sdebug_device_create_zones()
4890 zsp->z_size = devip->zsize; in sdebug_device_create_zones()
4892 zsp->z_size = capacity - zsp->z_start; in sdebug_device_create_zones()
4894 zstart += zsp->z_size; in sdebug_device_create_zones()
4908 uuid_gen(&devip->lu_name); in sdebug_device_create()
4911 devip->lu_name = shared_uuid; in sdebug_device_create()
4915 devip->lu_name = shared_uuid; in sdebug_device_create()
4918 devip->sdbg_host = sdbg_host; in sdebug_device_create()
4920 devip->zmodel = sdeb_zbc_model; in sdebug_device_create()
4926 devip->zmodel = BLK_ZONED_NONE; in sdebug_device_create()
4928 devip->sdbg_host = sdbg_host; in sdebug_device_create()
4929 devip->create_ts = ktime_get_boottime(); in sdebug_device_create()
4930 atomic_set(&devip->stopped, (sdeb_tur_ms_to_ready > 0 ? 2 : 0)); in sdebug_device_create()
4931 list_add_tail(&devip->dev_list, &sdbg_host->dev_info_list); in sdebug_device_create()
4942 sdbg_host = *(struct sdebug_host_info **)shost_priv(sdev->host); in find_build_dev_info()
4948 list_for_each_entry(devip, &sdbg_host->dev_info_list, dev_list) { in find_build_dev_info()
4949 if ((devip->used) && (devip->channel == sdev->channel) && in find_build_dev_info()
4950 (devip->target == sdev->id) && in find_build_dev_info()
4951 (devip->lun == sdev->lun)) in find_build_dev_info()
4954 if ((!devip->used) && (!open_devip)) in find_build_dev_info()
4966 open_devip->channel = sdev->channel; in find_build_dev_info()
4967 open_devip->target = sdev->id; in find_build_dev_info()
4968 open_devip->lun = sdev->lun; in find_build_dev_info()
4969 open_devip->sdbg_host = sdbg_host; in find_build_dev_info()
4970 atomic_set(&open_devip->num_in_q, 0); in find_build_dev_info()
4971 set_bit(SDEBUG_UA_POR, open_devip->uas_bm); in find_build_dev_info()
4972 open_devip->used = true; in find_build_dev_info()
4980 sdp->host->host_no, sdp->channel, sdp->id, sdp->lun); in scsi_debug_slave_alloc()
4987 (struct sdebug_dev_info *)sdp->hostdata; in scsi_debug_slave_configure()
4991 sdp->host->host_no, sdp->channel, sdp->id, sdp->lun); in scsi_debug_slave_configure()
4992 if (sdp->host->max_cmd_len != SDEBUG_MAX_CMD_LEN) in scsi_debug_slave_configure()
4993 sdp->host->max_cmd_len = SDEBUG_MAX_CMD_LEN; in scsi_debug_slave_configure()
4999 sdp->hostdata = devip; in scsi_debug_slave_configure()
5001 sdp->no_uld_attach = 1; in scsi_debug_slave_configure()
5009 (struct sdebug_dev_info *)sdp->hostdata; in scsi_debug_slave_destroy()
5013 sdp->host->host_no, sdp->channel, sdp->id, sdp->lun); in scsi_debug_slave_destroy()
5015 /* make this slot available for re-use */ in scsi_debug_slave_destroy()
5016 devip->used = false; in scsi_debug_slave_destroy()
5017 sdp->hostdata = NULL; in scsi_debug_slave_destroy()
5027 hrtimer_cancel(&sd_dp->hrt); in stop_qc_helper()
5029 cancel_work_sync(&sd_dp->ew.work); in stop_qc_helper()
5045 spin_lock_irqsave(&sqp->qc_lock, iflags); in stop_queued_cmnd()
5051 if (test_bit(k, sqp->in_use_bm)) { in stop_queued_cmnd()
5052 sqcp = &sqp->qc_arr[k]; in stop_queued_cmnd()
5053 if (cmnd != sqcp->a_cmnd) in stop_queued_cmnd()
5057 cmnd->device->hostdata; in stop_queued_cmnd()
5059 atomic_dec(&devip->num_in_q); in stop_queued_cmnd()
5060 sqcp->a_cmnd = NULL; in stop_queued_cmnd()
5061 sd_dp = sqcp->sd_dp; in stop_queued_cmnd()
5063 l_defer_t = sd_dp->defer_t; in stop_queued_cmnd()
5064 sd_dp->defer_t = SDEB_DEFER_NONE; in stop_queued_cmnd()
5067 spin_unlock_irqrestore(&sqp->qc_lock, iflags); in stop_queued_cmnd()
5069 clear_bit(k, sqp->in_use_bm); in stop_queued_cmnd()
5073 spin_unlock_irqrestore(&sqp->qc_lock, iflags); in stop_queued_cmnd()
5090 spin_lock_irqsave(&sqp->qc_lock, iflags); in stop_all_queued()
5092 if (test_bit(k, sqp->in_use_bm)) { in stop_all_queued()
5093 sqcp = &sqp->qc_arr[k]; in stop_all_queued()
5094 if (sqcp->a_cmnd == NULL) in stop_all_queued()
5097 sqcp->a_cmnd->device->hostdata; in stop_all_queued()
5099 atomic_dec(&devip->num_in_q); in stop_all_queued()
5100 sqcp->a_cmnd = NULL; in stop_all_queued()
5101 sd_dp = sqcp->sd_dp; in stop_all_queued()
5103 l_defer_t = sd_dp->defer_t; in stop_all_queued()
5104 sd_dp->defer_t = SDEB_DEFER_NONE; in stop_all_queued()
5107 spin_unlock_irqrestore(&sqp->qc_lock, iflags); in stop_all_queued()
5109 clear_bit(k, sqp->in_use_bm); in stop_all_queued()
5110 spin_lock_irqsave(&sqp->qc_lock, iflags); in stop_all_queued()
5113 spin_unlock_irqrestore(&sqp->qc_lock, iflags); in stop_all_queued()
5126 sqcp = &sqp->qc_arr[k]; in free_all_queued()
5127 kfree(sqcp->sd_dp); in free_all_queued()
5128 sqcp->sd_dp = NULL; in free_all_queued()
5140 if (SCpnt->device && (SDEBUG_OPT_ALL_NOISE & sdebug_opts)) in scsi_debug_abort()
5141 sdev_printk(KERN_INFO, SCpnt->device, in scsi_debug_abort()
5151 if (SCpnt && SCpnt->device) { in scsi_debug_device_reset()
5152 struct scsi_device *sdp = SCpnt->device; in scsi_debug_device_reset()
5154 (struct sdebug_dev_info *)sdp->hostdata; in scsi_debug_device_reset()
5159 set_bit(SDEBUG_UA_POR, devip->uas_bm); in scsi_debug_device_reset()
5175 sdp = SCpnt->device; in scsi_debug_target_reset()
5180 hp = sdp->host; in scsi_debug_target_reset()
5186 &sdbg_host->dev_info_list, in scsi_debug_target_reset()
5188 if (devip->target == sdp->id) { in scsi_debug_target_reset()
5189 set_bit(SDEBUG_UA_BUS_RESET, devip->uas_bm); in scsi_debug_target_reset()
5209 if (!(SCpnt && SCpnt->device)) in scsi_debug_bus_reset()
5211 sdp = SCpnt->device; in scsi_debug_bus_reset()
5214 hp = sdp->host; in scsi_debug_bus_reset()
5219 &sdbg_host->dev_info_list, in scsi_debug_bus_reset()
5221 set_bit(SDEBUG_UA_BUS_RESET, devip->uas_bm); in scsi_debug_bus_reset()
5240 if ((SCpnt->device) && (SDEBUG_OPT_ALL_NOISE & sdebug_opts)) in scsi_debug_host_reset()
5241 sdev_printk(KERN_INFO, SCpnt->device, "%s\n", __func__); in scsi_debug_host_reset()
5244 list_for_each_entry(devip, &sdbg_host->dev_info_list, in scsi_debug_host_reset()
5246 set_bit(SDEBUG_UA_BUS_RESET, devip->uas_bm); in scsi_debug_host_reset()
5253 sdev_printk(KERN_INFO, SCpnt->device, in scsi_debug_host_reset()
5273 sectors_per_part = (num_sectors - sdebug_sectors_per) in sdebug_build_parts()
5281 if (starts[k] - starts[k - 1] < max_part_secs) in sdebug_build_parts()
5282 max_part_secs = starts[k] - starts[k - 1]; in sdebug_build_parts()
5292 end_sec = starts[k] + max_part_secs - 1; in sdebug_build_parts()
5293 pp->boot_ind = 0; in sdebug_build_parts()
5295 pp->cyl = start_sec / heads_by_sects; in sdebug_build_parts()
5296 pp->head = (start_sec - (pp->cyl * heads_by_sects)) in sdebug_build_parts()
5298 pp->sector = (start_sec % sdebug_sectors_per) + 1; in sdebug_build_parts()
5300 pp->end_cyl = end_sec / heads_by_sects; in sdebug_build_parts()
5301 pp->end_head = (end_sec - (pp->end_cyl * heads_by_sects)) in sdebug_build_parts()
5303 pp->end_sector = (end_sec % sdebug_sectors_per) + 1; in sdebug_build_parts()
5305 pp->start_sect = cpu_to_le32(start_sec); in sdebug_build_parts()
5306 pp->nr_sects = cpu_to_le32(end_sec - start_sec + 1); in sdebug_build_parts()
5307 pp->sys_ind = 0x83; /* plain Linux partition */ in sdebug_build_parts()
5317 atomic_set(&sqp->blocked, (int)block); in block_unblock_all_queues()
5320 /* Adjust (by rounding down) the sdebug_cmnd_count so abs(every_nth)-1
5379 sdp = cmnd->device; in schedule_resp()
5385 spin_lock_irqsave(&sqp->qc_lock, iflags); in schedule_resp()
5386 if (unlikely(atomic_read(&sqp->blocked))) { in schedule_resp()
5387 spin_unlock_irqrestore(&sqp->qc_lock, iflags); in schedule_resp()
5390 num_in_q = atomic_read(&devip->num_in_q); in schedule_resp()
5391 qdepth = cmnd->device->queue_depth; in schedule_resp()
5394 spin_unlock_irqrestore(&sqp->qc_lock, iflags); in schedule_resp()
5401 if ((num_in_q == (qdepth - 1)) && in schedule_resp()
5410 k = find_first_zero_bit(sqp->in_use_bm, sdebug_max_queue); in schedule_resp()
5412 spin_unlock_irqrestore(&sqp->qc_lock, iflags); in schedule_resp()
5428 set_bit(k, sqp->in_use_bm); in schedule_resp()
5429 atomic_inc(&devip->num_in_q); in schedule_resp()
5430 sqcp = &sqp->qc_arr[k]; in schedule_resp()
5431 sqcp->a_cmnd = cmnd; in schedule_resp()
5432 cmnd->host_scribble = (unsigned char *)sqcp; in schedule_resp()
5433 sd_dp = sqcp->sd_dp; in schedule_resp()
5434 spin_unlock_irqrestore(&sqp->qc_lock, iflags); in schedule_resp()
5438 atomic_dec(&devip->num_in_q); in schedule_resp()
5439 clear_bit(k, sqp->in_use_bm); in schedule_resp()
5449 sd_dp->hc_idx = get_tag(cmnd); in schedule_resp()
5455 cmnd->result = pfp ? pfp(cmnd, devip) : 0; in schedule_resp()
5456 if (cmnd->result & SDEG_RES_IMMED_MASK) { in schedule_resp()
5457 cmnd->result &= ~SDEG_RES_IMMED_MASK; in schedule_resp()
5460 if (cmnd->result == 0 && scsi_result != 0) in schedule_resp()
5461 cmnd->result = scsi_result; in schedule_resp()
5462 if (cmnd->result == 0 && unlikely(sdebug_opts & SDEBUG_OPT_TRANSPORT_ERR)) { in schedule_resp()
5466 cmnd->result = check_condition_result; in schedule_resp()
5470 if (unlikely(sdebug_verbose && cmnd->result)) in schedule_resp()
5471 sdev_printk(KERN_INFO, sdp, "%s: non-zero result=0x%x\n", in schedule_resp()
5472 __func__, cmnd->result); in schedule_resp()
5493 u64 d = ktime_get_boottime_ns() - ns_from_boot; in schedule_resp()
5496 spin_lock_irqsave(&sqp->qc_lock, iflags); in schedule_resp()
5497 sqcp->a_cmnd = NULL; in schedule_resp()
5498 atomic_dec(&devip->num_in_q); in schedule_resp()
5499 clear_bit(k, sqp->in_use_bm); in schedule_resp()
5500 spin_unlock_irqrestore(&sqp->qc_lock, iflags); in schedule_resp()
5504 cmnd->scsi_done(cmnd); in schedule_resp()
5508 kt -= d; in schedule_resp()
5511 if (!sd_dp->init_hrt) { in schedule_resp()
5512 sd_dp->init_hrt = true; in schedule_resp()
5513 sqcp->sd_dp = sd_dp; in schedule_resp()
5514 hrtimer_init(&sd_dp->hrt, CLOCK_MONOTONIC, in schedule_resp()
5516 sd_dp->hrt.function = sdebug_q_cmd_hrt_complete; in schedule_resp()
5517 sd_dp->sqa_idx = sqp - sdebug_q_arr; in schedule_resp()
5518 sd_dp->qc_idx = k; in schedule_resp()
5521 sd_dp->issuing_cpu = raw_smp_processor_id(); in schedule_resp()
5522 sd_dp->defer_t = SDEB_DEFER_HRT; in schedule_resp()
5524 hrtimer_start(&sd_dp->hrt, kt, HRTIMER_MODE_REL_PINNED); in schedule_resp()
5526 if (!sd_dp->init_wq) { in schedule_resp()
5527 sd_dp->init_wq = true; in schedule_resp()
5528 sqcp->sd_dp = sd_dp; in schedule_resp()
5529 sd_dp->sqa_idx = sqp - sdebug_q_arr; in schedule_resp()
5530 sd_dp->qc_idx = k; in schedule_resp()
5531 INIT_WORK(&sd_dp->ew.work, sdebug_q_cmd_wq_complete); in schedule_resp()
5534 sd_dp->issuing_cpu = raw_smp_processor_id(); in schedule_resp()
5535 sd_dp->defer_t = SDEB_DEFER_WQ; in schedule_resp()
5538 sd_dp->aborted = true; in schedule_resp()
5539 schedule_work(&sd_dp->ew.work); in schedule_resp()
5542 sdev_printk(KERN_INFO, sdp, "abort request tag %d\n", cmnd->request->tag); in schedule_resp()
5543 blk_abort_request(cmnd->request); in schedule_resp()
5552 respond_in_thread: /* call back to mid-layer using invocation thread */ in schedule_resp()
5553 cmnd->result = pfp != NULL ? pfp(cmnd, devip) : 0; in schedule_resp()
5554 cmnd->result &= ~SDEG_RES_IMMED_MASK; in schedule_resp()
5555 if (cmnd->result == 0 && scsi_result != 0) in schedule_resp()
5556 cmnd->result = scsi_result; in schedule_resp()
5557 cmnd->scsi_done(cmnd); in schedule_resp()
5644 MODULE_PARM_DESC(delay, "response delay (def=1 jiffy); 0:imm, -1,-2:tiny");
5646 MODULE_PARM_DESC(dif, "data integrity field type: 0-3 (def=0)");
5648 MODULE_PARM_DESC(dsense, "use descriptor sense format(def=0 -> fixed)");
5661 MODULE_PARM_DESC(lbpu, "enable LBP, support UNMAP command (def=0)");
5662 MODULE_PARM_DESC(lbpws, "enable LBP, support WRITE SAME(16) with UNMAP bit (def=0)");
5663 MODULE_PARM_DESC(lbpws10, "enable LBP, support WRITE SAME(10) with UNMAP bit (def=0)");
5666 MODULE_PARM_DESC(lun_format, "LUN format: 0->peripheral (def); 1 --> flat address method");
5670 MODULE_PARM_DESC(ndelay, "response delay in nanoseconds (def=0 -> ignore)");
5671 MODULE_PARM_DESC(no_lun_0, "no LU number 0 (def=0 -> have lun 0)");
5677 MODULE_PARM_DESC(opts, "1->noise, 2->medium_err, 4->timeout, 8->recovered_err... (def=0)");
5683 MODULE_PARM_DESC(scsi_level, "SCSI level to simulate(def=7[SPC-5])");
5687 MODULE_PARM_DESC(submit_queues, "support for block multi-queue (def=1)");
5694 "1->use uuid for lu name, 0->don't, 2->all use same (def=0)");
5695 MODULE_PARM_DESC(virtual_gb, "virtual gigabyte (GiB) size (def=0 -> use dev_size_mb)");
5696 MODULE_PARM_DESC(vpd_use_hostno, "0 -> dev ids ignore hostno (def=1 -> unique dev ids)");
5699 MODULE_PARM_DESC(zbc, "'none' [0]; 'aware' [1]; 'managed' [2] (def=0). Can have 'host-' prefix");
5713 if (k >= (SDEBUG_INFO_LEN - 1)) in scsi_debug_info()
5715 scnprintf(sdebug_info + k, SDEBUG_INFO_LEN - k, in scsi_debug_info()
5731 return -EACCES; in scsi_debug_write_info()
5735 return -EINVAL; in scsi_debug_write_info()
5780 f = find_first_bit(sqp->in_use_bm, sdebug_max_queue); in scsi_debug_show_info()
5782 l = find_last_bit(sqp->in_use_bm, sdebug_max_queue); in scsi_debug_show_info()
5788 seq_printf(m, "this host_no=%d\n", host->host_no); in scsi_debug_show_info()
5798 idx = sdhp->si_idx; in scsi_debug_show_info()
5800 sdhp->shost->host_no, idx); in scsi_debug_show_info()
5822 /* Returns -EBUSY if jdelay is being changed and commands are queued. The unit
5839 k = find_first_bit(sqp->in_use_bm, in delay_store()
5842 res = -EBUSY; /* queued commands */ in delay_store()
5854 return -EINVAL; in delay_store()
5862 /* Returns -EBUSY if ndelay is being changed and commands are queued */
5879 k = find_first_bit(sqp->in_use_bm, in ndelay_store()
5882 res = -EBUSY; /* queued commands */ in ndelay_store()
5895 return -EINVAL; in ndelay_store()
5919 return -EINVAL; in opts_store()
5940 return -EINVAL; in ptype_store()
5944 return -EINVAL; in ptype_store()
5948 return -EINVAL; in ptype_store()
5965 return -EINVAL; in dsense_store()
5987 if (want_store) { /* 1 --> 0 transition, set up store */ in fake_rw_store()
6000 if (sdhp->si_idx != idx) { in fake_rw_store()
6001 xa_set_mark(per_store_ap, sdhp->si_idx, in fake_rw_store()
6003 sdhp->si_idx = idx; in fake_rw_store()
6007 } else { /* 0 --> 1 transition is trigger for shrink */ in fake_rw_store()
6013 return -EINVAL; in fake_rw_store()
6030 return -EINVAL; in no_lun_0_store()
6048 return -EINVAL; in num_tgts_store()
6069 return -EINVAL; in per_host_store_store()
6101 return -EINVAL; in every_nth_store()
6125 return -EINVAL; in lun_format_store()
6129 return -EINVAL; in lun_format_store()
6133 if (changed && sdebug_scsi_level >= 5) { /* >= SPC-3 */ in lun_format_store()
6139 list_for_each_entry(dp, &sdhp->dev_info_list, dev_list) { in lun_format_store()
6140 set_bit(SDEBUG_UA_LUNS_CHANGED, dp->uas_bm); in lun_format_store()
6147 return -EINVAL; in lun_format_store()
6164 return -EINVAL; in max_luns_store()
6169 if (changed && (sdebug_scsi_level >= 5)) { /* >= SPC-3 */ in max_luns_store()
6176 list_for_each_entry(dp, &sdhp->dev_info_list, in max_luns_store()
6179 dp->uas_bm); in max_luns_store()
6186 return -EINVAL; in max_luns_store()
6209 a = find_last_bit(sqp->in_use_bm, SDEBUG_CANQUEUE); in max_queue_store()
6223 return -EINVAL; in max_queue_store()
6262 return -ENOTSUPP; in virtual_gb_store()
6275 list_for_each_entry(dp, &sdhp->dev_info_list, in virtual_gb_store()
6278 dp->uas_bm); in virtual_gb_store()
6285 return -EINVAL; in virtual_gb_store()
6305 return -EINVAL; in add_host_store()
6316 if (found) /* re-use case */ in add_host_store()
6323 } while (--delta_hosts); in add_host_store()
6346 return -EINVAL; in vpd_use_hostno_store()
6368 return -EINVAL; in statistics_store()
6413 return scnprintf(buf, PAGE_SIZE, "0-%u\n", in map_show()
6420 count = scnprintf(buf, PAGE_SIZE - 1, "%*pbl", in map_show()
6421 (int)map_size, sip->map_storep); in map_show()
6441 return -EINVAL; in random_store()
6461 return -EINVAL; in removable_store()
6479 return -EINVAL; in host_lock_store()
6496 return -EINVAL; in strict_store()
6526 [BLK_ZONED_HA] = "host-aware",
6527 [BLK_ZONED_HM] = "host-managed",
6551 return -EINVAL; in sdeb_zbc_model_str()
6626 int idx = -1; in scsi_debug_init()
6646 return -EINVAL; in scsi_debug_init()
6660 return -EINVAL; in scsi_debug_init()
6665 return -EINVAL; in scsi_debug_init()
6670 return -EINVAL; in scsi_debug_init()
6675 return -EINVAL; in scsi_debug_init()
6680 return -EINVAL; in scsi_debug_init()
6699 return -EINVAL; in scsi_debug_init()
6704 return -EINVAL; in scsi_debug_init()
6709 return -EINVAL; in scsi_debug_init()
6716 return -EINVAL; in scsi_debug_init()
6729 return -ENOMEM; in scsi_debug_init()
6756 return -EINVAL; in scsi_debug_init()
6803 ret = -EINVAL; in scsi_debug_init()
6841 k, -ret); in scsi_debug_init()
6848 pr_err("add_host k=%d error=%d\n", k, -ret); in scsi_debug_init()
6874 for (; k; k--) in scsi_debug_exit()
6908 vfree(sip->map_storep); in sdebug_erase_store()
6909 vfree(sip->dif_storep); in sdebug_erase_store()
6910 vfree(sip->storep); in sdebug_erase_store()
6946 return -ENOMEM; in sdebug_add_store()
6953 pr_warn("%s: xa_alloc() errno=%d\n", __func__, -res); in sdebug_add_store()
6961 res = -ENOMEM; in sdebug_add_store()
6962 sip->storep = vzalloc(sz); in sdebug_add_store()
6963 if (!sip->storep) { in sdebug_add_store()
6968 sdebug_build_parts(sip->storep, sz); in sdebug_add_store()
6975 sip->dif_storep = vmalloc(dif_size); in sdebug_add_store()
6978 sip->dif_storep); in sdebug_add_store()
6980 if (!sip->dif_storep) { in sdebug_add_store()
6984 memset(sip->dif_storep, 0xff, dif_size); in sdebug_add_store()
6988 map_size = lba_to_map_index(sdebug_store_sectors - 1) + 1; in sdebug_add_store()
6989 sip->map_storep = vmalloc(array_size(sizeof(long), in sdebug_add_store()
6994 if (!sip->map_storep) { in sdebug_add_store()
6995 pr_err("LBP map oom\n"); in sdebug_add_store()
6999 bitmap_zero(sip->map_storep, map_size); in sdebug_add_store()
7006 rwlock_init(&sip->macc_lck); in sdebug_add_store()
7010 pr_warn("%s: failed, errno=%d\n", __func__, -res); in sdebug_add_store()
7017 int error = -ENOMEM; in sdebug_add_host_helper()
7023 return -ENOMEM; in sdebug_add_host_helper()
7027 sdbg_host->si_idx = idx; in sdebug_add_host_helper()
7029 INIT_LIST_HEAD(&sdbg_host->dev_info_list); in sdebug_add_host_helper()
7039 list_add_tail(&sdbg_host->host_list, &sdebug_host_list); in sdebug_add_host_helper()
7042 sdbg_host->dev.bus = &pseudo_lld_bus; in sdebug_add_host_helper()
7043 sdbg_host->dev.parent = pseudo_primary; in sdebug_add_host_helper()
7044 sdbg_host->dev.release = &sdebug_release_adapter; in sdebug_add_host_helper()
7045 dev_set_name(&sdbg_host->dev, "adapter%d", sdebug_num_hosts); in sdebug_add_host_helper()
7047 error = device_register(&sdbg_host->dev); in sdebug_add_host_helper()
7055 list_for_each_entry_safe(sdbg_devinfo, tmp, &sdbg_host->dev_info_list, in sdebug_add_host_helper()
7057 list_del(&sdbg_devinfo->dev_list); in sdebug_add_host_helper()
7058 kfree(sdbg_devinfo->zstate); in sdebug_add_host_helper()
7062 pr_warn("%s: failed, errno=%d\n", __func__, -error); in sdebug_add_host_helper()
7080 int idx = -1; in sdebug_do_remove_host()
7088 idx = sdbg_host->si_idx; in sdebug_do_remove_host()
7096 if (idx == sdbg_host2->si_idx) { in sdebug_do_remove_host()
7104 --sdeb_most_recent_idx; in sdebug_do_remove_host()
7108 list_del(&sdbg_host->host_list); in sdebug_do_remove_host()
7114 device_unregister(&sdbg_host->dev); in sdebug_do_remove_host()
7115 --sdebug_num_hosts; in sdebug_do_remove_host()
7124 devip = (struct sdebug_dev_info *)sdev->hostdata; in sdebug_change_qdepth()
7127 return -ENODEV; in sdebug_change_qdepth()
7129 num_in_q = atomic_read(&devip->num_in_q); in sdebug_change_qdepth()
7143 return sdev->queue_depth; in sdebug_change_qdepth()
7149 if (sdebug_every_nth < -1) in fake_timeout()
7150 sdebug_every_nth = -1; in fake_timeout()
7166 struct scsi_device *sdp = scp->device; in resp_not_ready()
7168 stopped_state = atomic_read(&devip->stopped); in resp_not_ready()
7170 if (ktime_to_ns(now_ts) > ktime_to_ns(devip->create_ts)) { in resp_not_ready()
7171 diff_ns = ktime_to_ns(ktime_sub(now_ts, devip->create_ts)); in resp_not_ready()
7174 atomic_set(&devip->stopped, 0); in resp_not_ready()
7182 if (scp->cmnd[0] == TEST_UNIT_READY) { in resp_not_ready()
7186 diff_ns = tur_nanosecs_to_ready - diff_ns; in resp_not_ready()
7189 /* As per 20-061r2 approved for spc6 by T10 on 20200716 */ in resp_not_ready()
7191 scsi_set_sense_information(scp->sense_buffer, SCSI_SENSE_BUFFERSIZE, in resp_not_ready()
7207 struct scsi_device *sdp = scp->device; in scsi_debug_queuecommand()
7211 u8 *cmd = scp->cmnd; in scsi_debug_queuecommand()
7216 u64 lun_index = sdp->lun & 0x3FFF; in scsi_debug_queuecommand()
7235 len = scp->cmd_len; in scsi_debug_queuecommand()
7241 n += scnprintf(b + n, sb - n, "%02x ", in scsi_debug_queuecommand()
7245 blk_mq_unique_tag(scp->request), b); in scsi_debug_queuecommand()
7249 has_wlun_rl = (sdp->lun == SCSI_W_LUN_REPORT_LUNS); in scsi_debug_queuecommand()
7255 devip = (struct sdebug_dev_info *)sdp->hostdata; in scsi_debug_queuecommand()
7264 na = oip->num_attached; in scsi_debug_queuecommand()
7265 r_pfp = oip->pfp; in scsi_debug_queuecommand()
7268 if (FF_SA & r_oip->flags) { in scsi_debug_queuecommand()
7269 if (F_SA_LOW & oip->flags) in scsi_debug_queuecommand()
7273 for (k = 0; k <= na; oip = r_oip->arrp + k++) { in scsi_debug_queuecommand()
7274 if (opcode == oip->opcode && sa == oip->sa) in scsi_debug_queuecommand()
7278 for (k = 0; k <= na; oip = r_oip->arrp + k++) { in scsi_debug_queuecommand()
7279 if (opcode == oip->opcode) in scsi_debug_queuecommand()
7284 if (F_SA_LOW & r_oip->flags) in scsi_debug_queuecommand()
7286 else if (F_SA_HIGH & r_oip->flags) in scsi_debug_queuecommand()
7293 flags = oip->flags; in scsi_debug_queuecommand()
7309 for (k = 1; k < oip->len_mask[0] && k < 16; ++k) { in scsi_debug_queuecommand()
7310 rem = ~oip->len_mask[k] & cmd[k]; in scsi_debug_queuecommand()
7312 for (j = 7; j >= 0; --j, rem <<= 1) { in scsi_debug_queuecommand()
7322 find_first_bit(devip->uas_bm, in scsi_debug_queuecommand()
7328 if (unlikely(((F_M_ACCESS & flags) || scp->cmnd[0] == TEST_UNIT_READY) && in scsi_debug_queuecommand()
7329 atomic_read(&devip->stopped))) { in scsi_debug_queuecommand()
7340 if (likely(oip->pfp)) in scsi_debug_queuecommand()
7341 pfp = oip->pfp; /* calls a resp_* function */ in scsi_debug_queuecommand()
7391 .max_sectors = -1U,
7392 .max_segment_size = -1U,
7408 sdebug_driver_template.dma_boundary = PAGE_SIZE - 1; in sdebug_driver_probe()
7413 error = -ENODEV; in sdebug_driver_probe()
7425 hpnt->nr_hw_queues = submit_queues; in sdebug_driver_probe()
7427 hpnt->host_tagset = 1; in sdebug_driver_probe()
7429 sdbg_host->shost = hpnt; in sdebug_driver_probe()
7430 *((struct sdebug_host_info **)hpnt->hostdata) = sdbg_host; in sdebug_driver_probe()
7431 if ((hpnt->this_id >= 0) && (sdebug_num_tgts > hpnt->this_id)) in sdebug_driver_probe()
7432 hpnt->max_id = sdebug_num_tgts + 1; in sdebug_driver_probe()
7434 hpnt->max_id = sdebug_num_tgts; in sdebug_driver_probe()
7436 hpnt->max_lun = SCSI_W_LUN_REPORT_LUNS + 1; in sdebug_driver_probe()
7487 error = scsi_add_host(hpnt, &sdbg_host->dev); in sdebug_driver_probe()
7490 error = -ENODEV; in sdebug_driver_probe()
7508 return -ENODEV; in sdebug_driver_remove()
7511 scsi_remove_host(sdbg_host->shost); in sdebug_driver_remove()
7513 list_for_each_entry_safe(sdbg_devinfo, tmp, &sdbg_host->dev_info_list, in sdebug_driver_remove()
7515 list_del(&sdbg_devinfo->dev_list); in sdebug_driver_remove()
7516 kfree(sdbg_devinfo->zstate); in sdebug_driver_remove()
7520 scsi_host_put(sdbg_host->shost); in sdebug_driver_remove()