diff options
Diffstat (limited to 'drivers/target/target_core_pr.c')
| -rw-r--r-- | drivers/target/target_core_pr.c | 862 |
1 files changed, 450 insertions, 412 deletions
diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c index b662db3a320b..1c1b849cd4fb 100644 --- a/drivers/target/target_core_pr.c +++ b/drivers/target/target_core_pr.c @@ -62,7 +62,7 @@ int core_pr_dump_initiator_port( char *buf, u32 size) { - if (!(pr_reg->isid_present_at_reg)) + if (!pr_reg->isid_present_at_reg) return 0; snprintf(buf, size, ",i,0x%s", &pr_reg->pr_reg_isid[0]); @@ -95,7 +95,7 @@ static int core_scsi2_reservation_check(struct se_cmd *cmd, u32 *pr_reg_type) struct se_session *sess = cmd->se_sess; int ret; - if (!(sess)) + if (!sess) return 0; spin_lock(&dev->dev_reservation_lock); @@ -105,13 +105,13 @@ static int core_scsi2_reservation_check(struct se_cmd *cmd, u32 *pr_reg_type) } if (dev->dev_reserved_node_acl != sess->se_node_acl) { spin_unlock(&dev->dev_reservation_lock); - return -1; + return -EINVAL; } if (!(dev->dev_flags & DF_SPC2_RESERVATIONS_WITH_ISID)) { spin_unlock(&dev->dev_reservation_lock); return 0; } - ret = (dev->dev_res_bin_isid == sess->sess_bin_isid) ? 0 : -1; + ret = (dev->dev_res_bin_isid == sess->sess_bin_isid) ? 0 : -EINVAL; spin_unlock(&dev->dev_reservation_lock); return ret; @@ -123,7 +123,7 @@ static int core_scsi2_reservation_release(struct se_cmd *cmd) struct se_session *sess = cmd->se_sess; struct se_portal_group *tpg = sess->se_tpg; - if (!(sess) || !(tpg)) + if (!sess || !tpg) return 0; spin_lock(&dev->dev_reservation_lock); @@ -142,9 +142,9 @@ static int core_scsi2_reservation_release(struct se_cmd *cmd) dev->dev_res_bin_isid = 0; dev->dev_flags &= ~DF_SPC2_RESERVATIONS_WITH_ISID; } - printk(KERN_INFO "SCSI-2 Released reservation for %s LUN: %u ->" - " MAPPED LUN: %u for %s\n", TPG_TFO(tpg)->get_fabric_name(), - SE_LUN(cmd)->unpacked_lun, cmd->se_deve->mapped_lun, + pr_debug("SCSI-2 Released reservation for %s LUN: %u ->" + " MAPPED LUN: %u for %s\n", tpg->se_tpg_tfo->get_fabric_name(), + cmd->se_lun->unpacked_lun, cmd->se_deve->mapped_lun, sess->se_node_acl->initiatorname); spin_unlock(&dev->dev_reservation_lock); @@ -157,9 +157,9 @@ static int core_scsi2_reservation_reserve(struct se_cmd *cmd) struct se_session *sess = cmd->se_sess; struct se_portal_group *tpg = sess->se_tpg; - if ((T_TASK(cmd)->t_task_cdb[1] & 0x01) && - (T_TASK(cmd)->t_task_cdb[1] & 0x02)) { - printk(KERN_ERR "LongIO and Obselete Bits set, returning" + if ((cmd->t_task_cdb[1] & 0x01) && + (cmd->t_task_cdb[1] & 0x02)) { + pr_err("LongIO and Obselete Bits set, returning" " ILLEGAL_REQUEST\n"); return PYX_TRANSPORT_ILLEGAL_REQUEST; } @@ -167,19 +167,19 @@ static int core_scsi2_reservation_reserve(struct se_cmd *cmd) * This is currently the case for target_core_mod passthrough struct se_cmd * ops */ - if (!(sess) || !(tpg)) + if (!sess || !tpg) return 0; spin_lock(&dev->dev_reservation_lock); if (dev->dev_reserved_node_acl && (dev->dev_reserved_node_acl != sess->se_node_acl)) { - printk(KERN_ERR "SCSI-2 RESERVATION CONFLIFT for %s fabric\n", - TPG_TFO(tpg)->get_fabric_name()); - printk(KERN_ERR "Original reserver LUN: %u %s\n", - SE_LUN(cmd)->unpacked_lun, + pr_err("SCSI-2 RESERVATION CONFLIFT for %s fabric\n", + tpg->se_tpg_tfo->get_fabric_name()); + pr_err("Original reserver LUN: %u %s\n", + cmd->se_lun->unpacked_lun, dev->dev_reserved_node_acl->initiatorname); - printk(KERN_ERR "Current attempt - LUN: %u -> MAPPED LUN: %u" - " from %s \n", SE_LUN(cmd)->unpacked_lun, + pr_err("Current attempt - LUN: %u -> MAPPED LUN: %u" + " from %s \n", cmd->se_lun->unpacked_lun, cmd->se_deve->mapped_lun, sess->se_node_acl->initiatorname); spin_unlock(&dev->dev_reservation_lock); @@ -192,9 +192,9 @@ static int core_scsi2_reservation_reserve(struct se_cmd *cmd) dev->dev_res_bin_isid = sess->sess_bin_isid; dev->dev_flags |= DF_SPC2_RESERVATIONS_WITH_ISID; } - printk(KERN_INFO "SCSI-2 Reserved %s LUN: %u -> MAPPED LUN: %u" - " for %s\n", TPG_TFO(tpg)->get_fabric_name(), - SE_LUN(cmd)->unpacked_lun, cmd->se_deve->mapped_lun, + pr_debug("SCSI-2 Reserved %s LUN: %u -> MAPPED LUN: %u" + " for %s\n", tpg->se_tpg_tfo->get_fabric_name(), + cmd->se_lun->unpacked_lun, cmd->se_deve->mapped_lun, sess->se_node_acl->initiatorname); spin_unlock(&dev->dev_reservation_lock); @@ -215,15 +215,15 @@ int core_scsi2_emulate_crh(struct se_cmd *cmd) struct se_session *se_sess = cmd->se_sess; struct se_subsystem_dev *su_dev = cmd->se_dev->se_sub_dev; struct t10_pr_registration *pr_reg; - struct t10_reservation_template *pr_tmpl = &su_dev->t10_reservation; - unsigned char *cdb = &T_TASK(cmd)->t_task_cdb[0]; - int crh = (T10_RES(su_dev)->res_type == SPC3_PERSISTENT_RESERVATIONS); + struct t10_reservation *pr_tmpl = &su_dev->t10_pr; + unsigned char *cdb = &cmd->t_task_cdb[0]; + int crh = (su_dev->t10_pr.res_type == SPC3_PERSISTENT_RESERVATIONS); int conflict = 0; - if (!(se_sess)) + if (!se_sess) return 0; - if (!(crh)) + if (!crh) goto after_crh; pr_reg = core_scsi3_locate_pr_reg(cmd->se_dev, se_sess->se_node_acl, @@ -280,7 +280,7 @@ int core_scsi2_emulate_crh(struct se_cmd *cmd) } if (conflict) { - printk(KERN_ERR "Received legacy SPC-2 RESERVE/RELEASE" + pr_err("Received legacy SPC-2 RESERVE/RELEASE" " while active SPC-3 registrations exist," " returning RESERVATION_CONFLICT\n"); return PYX_TRANSPORT_RESERVATION_CONFLICT; @@ -307,7 +307,7 @@ static int core_scsi3_pr_seq_non_holder( u32 pr_reg_type) { struct se_dev_entry *se_deve; - struct se_session *se_sess = SE_SESS(cmd); + struct se_session *se_sess = cmd->se_sess; int other_cdb = 0, ignore_reg; int registered_nexus = 0, ret = 1; /* Conflict by default */ int all_reg = 0, reg_only = 0; /* ALL_REG, REG_ONLY */ @@ -362,7 +362,7 @@ static int core_scsi3_pr_seq_non_holder( registered_nexus = 1; break; default: - return -1; + return -EINVAL; } /* * Referenced from spc4r17 table 45 for *NON* PR holder access @@ -412,9 +412,9 @@ static int core_scsi3_pr_seq_non_holder( ret = (registered_nexus) ? 0 : 1; break; default: - printk(KERN_ERR "Unknown PERSISTENT_RESERVE_OUT service" + pr_err("Unknown PERSISTENT_RESERVE_OUT service" " action: 0x%02x\n", cdb[1] & 0x1f); - return -1; + return -EINVAL; } break; case RELEASE: @@ -459,9 +459,9 @@ static int core_scsi3_pr_seq_non_holder( ret = 0; /* Allowed */ break; default: - printk(KERN_ERR "Unknown MI Service Action: 0x%02x\n", + pr_err("Unknown MI Service Action: 0x%02x\n", (cdb[1] & 0x1f)); - return -1; + return -EINVAL; } break; case ACCESS_CONTROL_IN: @@ -481,9 +481,9 @@ static int core_scsi3_pr_seq_non_holder( * Case where the CDB is explicitly allowed in the above switch * statement. */ - if (!(ret) && !(other_cdb)) { + if (!ret && !other_cdb) { #if 0 - printk(KERN_INFO "Allowing explict CDB: 0x%02x for %s" + pr_debug("Allowing explict CDB: 0x%02x for %s" " reservation holder\n", cdb[0], core_scsi3_pr_dump_type(pr_reg_type)); #endif @@ -498,7 +498,7 @@ static int core_scsi3_pr_seq_non_holder( /* * Conflict for write exclusive */ - printk(KERN_INFO "%s Conflict for unregistered nexus" + pr_debug("%s Conflict for unregistered nexus" " %s CDB: 0x%02x to %s reservation\n", transport_dump_cmd_direction(cmd), se_sess->se_node_acl->initiatorname, cdb[0], @@ -515,8 +515,8 @@ static int core_scsi3_pr_seq_non_holder( * nexuses to issue CDBs. */ #if 0 - if (!(registered_nexus)) { - printk(KERN_INFO "Allowing implict CDB: 0x%02x" + if (!registered_nexus) { + pr_debug("Allowing implict CDB: 0x%02x" " for %s reservation on unregistered" " nexus\n", cdb[0], core_scsi3_pr_dump_type(pr_reg_type)); @@ -531,14 +531,14 @@ static int core_scsi3_pr_seq_non_holder( * allow commands from registered nexuses. */ #if 0 - printk(KERN_INFO "Allowing implict CDB: 0x%02x for %s" + pr_debug("Allowing implict CDB: 0x%02x for %s" " reservation\n", cdb[0], core_scsi3_pr_dump_type(pr_reg_type)); #endif return 0; } } - printk(KERN_INFO "%s Conflict for %sregistered nexus %s CDB: 0x%2x" + pr_debug("%s Conflict for %sregistered nexus %s CDB: 0x%2x" " for %s reservation\n", transport_dump_cmd_direction(cmd), (registered_nexus) ? "" : "un", se_sess->se_node_acl->initiatorname, cdb[0], @@ -549,7 +549,7 @@ static int core_scsi3_pr_seq_non_holder( static u32 core_scsi3_pr_generation(struct se_device *dev) { - struct se_subsystem_dev *su_dev = SU_DEV(dev); + struct se_subsystem_dev *su_dev = dev->se_sub_dev; u32 prg; /* * PRGeneration field shall contain the value of a 32-bit wrapping @@ -561,7 +561,7 @@ static u32 core_scsi3_pr_generation(struct se_device *dev) * See spc4r17 section 6.3.12 READ_KEYS service action */ spin_lock(&dev->dev_reservation_lock); - prg = T10_RES(su_dev)->pr_generation++; + prg = su_dev->t10_pr.pr_generation++; spin_unlock(&dev->dev_reservation_lock); return prg; @@ -575,7 +575,7 @@ static int core_scsi3_pr_reservation_check( struct se_session *sess = cmd->se_sess; int ret; - if (!(sess)) + if (!sess) return 0; /* * A legacy SPC-2 reservation is being held. @@ -584,7 +584,7 @@ static int core_scsi3_pr_reservation_check( return core_scsi2_reservation_check(cmd, pr_reg_type); spin_lock(&dev->dev_reservation_lock); - if (!(dev->dev_pr_res_holder)) { + if (!dev->dev_pr_res_holder) { spin_unlock(&dev->dev_reservation_lock); return 0; } @@ -592,14 +592,14 @@ static int core_scsi3_pr_reservation_check( cmd->pr_res_key = dev->dev_pr_res_holder->pr_res_key; if (dev->dev_pr_res_holder->pr_reg_nacl != sess->se_node_acl) { spin_unlock(&dev->dev_reservation_lock); - return -1; + return -EINVAL; } - if (!(dev->dev_pr_res_holder->isid_present_at_reg)) { + if (!dev->dev_pr_res_holder->isid_present_at_reg) { spin_unlock(&dev->dev_reservation_lock); return 0; } ret = (dev->dev_pr_res_holder->pr_reg_bin_isid == - sess->sess_bin_isid) ? 0 : -1; + sess->sess_bin_isid) ? 0 : -EINVAL; /* * Use bit in *pr_reg_type to notify ISID mismatch in * core_scsi3_pr_seq_non_holder(). @@ -620,19 +620,19 @@ static struct t10_pr_registration *__core_scsi3_do_alloc_registration( int all_tg_pt, int aptpl) { - struct se_subsystem_dev *su_dev = SU_DEV(dev); + struct se_subsystem_dev *su_dev = dev->se_sub_dev; struct t10_pr_registration *pr_reg; pr_reg = kmem_cache_zalloc(t10_pr_reg_cache, GFP_ATOMIC); - if (!(pr_reg)) { - printk(KERN_ERR "Unable to allocate struct t10_pr_registration\n"); + if (!pr_reg) { + pr_err("Unable to allocate struct t10_pr_registration\n"); return NULL; } - pr_reg->pr_aptpl_buf = kzalloc(T10_RES(su_dev)->pr_aptpl_buf_len, + pr_reg->pr_aptpl_buf = kzalloc(su_dev->t10_pr.pr_aptpl_buf_len, GFP_ATOMIC); - if (!(pr_reg->pr_aptpl_buf)) { - printk(KERN_ERR "Unable to allocate pr_reg->pr_aptpl_buf\n"); + if (!pr_reg->pr_aptpl_buf) { + pr_err("Unable to allocate pr_reg->pr_aptpl_buf\n"); kmem_cache_free(t10_pr_reg_cache, pr_reg); return NULL; } @@ -692,12 +692,12 @@ static struct t10_pr_registration *__core_scsi3_alloc_registration( */ pr_reg = __core_scsi3_do_alloc_registration(dev, nacl, deve, isid, sa_res_key, all_tg_pt, aptpl); - if (!(pr_reg)) + if (!pr_reg) return NULL; /* * Return pointer to pr_reg for ALL_TG_PT=0 */ - if (!(all_tg_pt)) + if (!all_tg_pt) return pr_reg; /* * Create list of matching SCSI Initiator Port registrations @@ -717,7 +717,7 @@ static struct t10_pr_registration *__core_scsi3_alloc_registration( * that have not been make explict via a ConfigFS * MappedLUN group for the SCSI Initiator Node ACL. */ - if (!(deve_tmp->se_lun_acl)) + if (!deve_tmp->se_lun_acl) continue; nacl_tmp = deve_tmp->se_lun_acl->se_lun_nacl; @@ -751,7 +751,7 @@ static struct t10_pr_registration *__core_scsi3_alloc_registration( */ ret = core_scsi3_lunacl_depend_item(deve_tmp); if (ret < 0) { - printk(KERN_ERR "core_scsi3_lunacl_depend" + pr_err("core_scsi3_lunacl_depend" "_item() failed\n"); atomic_dec(&port->sep_tg_pt_ref_cnt); smp_mb__after_atomic_dec(); @@ -769,7 +769,7 @@ static struct t10_pr_registration *__core_scsi3_alloc_registration( pr_reg_atp = __core_scsi3_do_alloc_registration(dev, nacl_tmp, deve_tmp, NULL, sa_res_key, all_tg_pt, aptpl); - if (!(pr_reg_atp)) { + if (!pr_reg_atp) { atomic_dec(&port->sep_tg_pt_ref_cnt); smp_mb__after_atomic_dec(); atomic_dec(&deve_tmp->pr_ref_count); @@ -803,7 +803,7 @@ out: } int core_scsi3_alloc_aptpl_registration( - struct t10_reservation_template *pr_tmpl, + struct t10_reservation *pr_tmpl, u64 sa_res_key, unsigned char *i_port, unsigned char *isid, @@ -817,15 +817,15 @@ int core_scsi3_alloc_aptpl_registration( { struct t10_pr_registration *pr_reg; - if (!(i_port) || !(t_port) || !(sa_res_key)) { - printk(KERN_ERR "Illegal parameters for APTPL registration\n"); - return -1; + if (!i_port || !t_port || !sa_res_key) { + pr_err("Illegal parameters for APTPL registration\n"); + return -EINVAL; } pr_reg = kmem_cache_zalloc(t10_pr_reg_cache, GFP_KERNEL); - if (!(pr_reg)) { - printk(KERN_ERR "Unable to allocate struct t10_pr_registration\n"); - return -1; + if (!pr_reg) { + pr_err("Unable to allocate struct t10_pr_registration\n"); + return -ENOMEM; } pr_reg->pr_aptpl_buf = kzalloc(pr_tmpl->pr_aptpl_buf_len, GFP_KERNEL); @@ -869,7 +869,7 @@ int core_scsi3_alloc_aptpl_registration( pr_reg->pr_res_holder = res_holder; list_add_tail(&pr_reg->pr_reg_aptpl_list, &pr_tmpl->aptpl_reg_list); - printk(KERN_INFO "SPC-3 PR APTPL Successfully added registration%s from" + pr_debug("SPC-3 PR APTPL Successfully added registration%s from" " metadata\n", (res_holder) ? "+reservation" : ""); return 0; } @@ -891,13 +891,13 @@ static void core_scsi3_aptpl_reserve( dev->dev_pr_res_holder = pr_reg; spin_unlock(&dev->dev_reservation_lock); - printk(KERN_INFO "SPC-3 PR [%s] Service Action: APTPL RESERVE created" + pr_debug("SPC-3 PR [%s] Service Action: APTPL RESERVE created" " new reservation holder TYPE: %s ALL_TG_PT: %d\n", - TPG_TFO(tpg)->get_fabric_name(), + tpg->se_tpg_tfo->get_fabric_name(), core_scsi3_pr_dump_type(pr_reg->pr_res_type), (pr_reg->pr_reg_all_tg_pt) ? 1 : 0); - printk(KERN_INFO "SPC-3 PR [%s] RESERVE Node: %s%s\n", - TPG_TFO(tpg)->get_fabric_name(), node_acl->initiatorname, + pr_debug("SPC-3 PR [%s] RESERVE Node: %s%s\n", + tpg->se_tpg_tfo->get_fabric_name(), node_acl->initiatorname, (prf_isid) ? &i_buf[0] : ""); } @@ -913,7 +913,7 @@ static int __core_scsi3_check_aptpl_registration( struct se_dev_entry *deve) { struct t10_pr_registration *pr_reg, *pr_reg_tmp; - struct t10_reservation_template *pr_tmpl = &SU_DEV(dev)->t10_reservation; + struct t10_reservation *pr_tmpl = &dev->se_sub_dev->t10_pr; unsigned char i_port[PR_APTPL_MAX_IPORT_LEN]; unsigned char t_port[PR_APTPL_MAX_TPORT_LEN]; u16 tpgt; @@ -925,8 +925,8 @@ static int __core_scsi3_check_aptpl_registration( */ snprintf(i_port, PR_APTPL_MAX_IPORT_LEN, "%s", nacl->initiatorname); snprintf(t_port, PR_APTPL_MAX_TPORT_LEN, "%s", - TPG_TFO(tpg)->tpg_get_wwn(tpg)); - tpgt = TPG_TFO(tpg)->tpg_get_tag(tpg); + tpg->se_tpg_tfo->tpg_get_wwn(tpg)); + tpgt = tpg->se_tpg_tfo->tpg_get_tag(tpg); /* * Look for the matching registrations+reservation from those * created from APTPL metadata. Note that multiple registrations @@ -936,7 +936,7 @@ static int __core_scsi3_check_aptpl_registration( spin_lock(&pr_tmpl->aptpl_reg_lock); list_for_each_entry_safe(pr_reg, pr_reg_tmp, &pr_tmpl->aptpl_reg_list, pr_reg_aptpl_list) { - if (!(strcmp(pr_reg->pr_iport, i_port)) && + if (!strcmp(pr_reg->pr_iport, i_port) && (pr_reg->pr_res_mapped_lun == deve->mapped_lun) && !(strcmp(pr_reg->pr_tport, t_port)) && (pr_reg->pr_reg_tpgt == tpgt) && @@ -980,11 +980,11 @@ int core_scsi3_check_aptpl_registration( struct se_lun *lun, struct se_lun_acl *lun_acl) { - struct se_subsystem_dev *su_dev = SU_DEV(dev); + struct se_subsystem_dev *su_dev = dev->se_sub_dev; struct se_node_acl *nacl = lun_acl->se_lun_nacl; struct se_dev_entry *deve = &nacl->device_list[lun_acl->mapped_lun]; - if (T10_RES(su_dev)->res_type != SPC3_PERSISTENT_RESERVATIONS) + if (su_dev->t10_pr.res_type != SPC3_PERSISTENT_RESERVATIONS) return 0; return __core_scsi3_check_aptpl_registration(dev, tpg, lun, @@ -1006,19 +1006,19 @@ static void __core_scsi3_dump_registration( prf_isid = core_pr_dump_initiator_port(pr_reg, &i_buf[0], PR_REG_ISID_ID_LEN); - printk(KERN_INFO "SPC-3 PR [%s] Service Action: REGISTER%s Initiator" + pr_debug("SPC-3 PR [%s] Service Action: REGISTER%s Initiator" " Node: %s%s\n", tfo->get_fabric_name(), (register_type == 2) ? "_AND_MOVE" : (register_type == 1) ? "_AND_IGNORE_EXISTING_KEY" : "", nacl->initiatorname, (prf_isid) ? i_buf : ""); - printk(KERN_INFO "SPC-3 PR [%s] registration on Target Port: %s,0x%04x\n", + pr_debug("SPC-3 PR [%s] registration on Target Port: %s,0x%04x\n", tfo->get_fabric_name(), tfo->tpg_get_wwn(se_tpg), tfo->tpg_get_tag(se_tpg)); - printk(KERN_INFO "SPC-3 PR [%s] for %s TCM Subsystem %s Object Target" + pr_debug("SPC-3 PR [%s] for %s TCM Subsystem %s Object Target" " Port(s)\n", tfo->get_fabric_name(), (pr_reg->pr_reg_all_tg_pt) ? "ALL" : "SINGLE", - TRANSPORT(dev)->name); - printk(KERN_INFO "SPC-3 PR [%s] SA Res Key: 0x%016Lx PRgeneration:" + dev->transport->name); + pr_debug("SPC-3 PR [%s] SA Res Key: 0x%016Lx PRgeneration:" " 0x%08x APTPL: %d\n", tfo->get_fabric_name(), pr_reg->pr_res_key, pr_reg->pr_res_generation, pr_reg->pr_reg_aptpl); @@ -1035,10 +1035,10 @@ static void __core_scsi3_add_registration( int register_type, int register_move) { - struct se_subsystem_dev *su_dev = SU_DEV(dev); + struct se_subsystem_dev *su_dev = dev->se_sub_dev; struct target_core_fabric_ops *tfo = nacl->se_tpg->se_tpg_tfo; struct t10_pr_registration *pr_reg_tmp, *pr_reg_tmp_safe; - struct t10_reservation_template *pr_tmpl = &SU_DEV(dev)->t10_reservation; + struct t10_reservation *pr_tmpl = &dev->se_sub_dev->t10_pr; /* * Increment PRgeneration counter for struct se_device upon a successful @@ -1050,7 +1050,7 @@ static void __core_scsi3_add_registration( * for the REGISTER. */ pr_reg->pr_res_generation = (register_move) ? - T10_RES(su_dev)->pr_generation++ : + su_dev->t10_pr.pr_generation++ : core_scsi3_pr_generation(dev); spin_lock(&pr_tmpl->registration_lock); @@ -1062,7 +1062,7 @@ static void __core_scsi3_add_registration( /* * Skip extra processing for ALL_TG_PT=0 or REGISTER_AND_MOVE. */ - if (!(pr_reg->pr_reg_all_tg_pt) || (register_move)) + if (!pr_reg->pr_reg_all_tg_pt || register_move) return; /* * Walk pr_reg->pr_reg_atp_list and add registrations for ALL_TG_PT=1 @@ -1106,8 +1106,8 @@ static int core_scsi3_alloc_registration( pr_reg = __core_scsi3_alloc_registration(dev, nacl, deve, isid, sa_res_key, all_tg_pt, aptpl); - if (!(pr_reg)) - return -1; + if (!pr_reg) + return -EPERM; __core_scsi3_add_registration(dev, nacl, pr_reg, register_type, register_move); @@ -1119,7 +1119,7 @@ static struct t10_pr_registration *__core_scsi3_locate_pr_reg( struct se_node_acl *nacl, unsigned char *isid) { - struct t10_reservation_template *pr_tmpl = &SU_DEV(dev)->t10_reservation; + struct t10_reservation *pr_tmpl = &dev->se_sub_dev->t10_pr; struct t10_pr_registration *pr_reg, *pr_reg_tmp; struct se_portal_group *tpg; @@ -1137,14 +1137,14 @@ static struct t10_pr_registration *__core_scsi3_locate_pr_reg( * If this registration does NOT contain a fabric provided * ISID, then we have found a match. */ - if (!(pr_reg->isid_present_at_reg)) { + if (!pr_reg->isid_present_at_reg) { /* * Determine if this SCSI device server requires that * SCSI Intiatior TransportID w/ ISIDs is enforced * for fabric modules (iSCSI) requiring them. */ - if (TPG_TFO(tpg)->sess_get_initiator_sid != NULL) { - if (DEV_ATTRIB(dev)->enforce_pr_isids) + if (tpg->se_tpg_tfo->sess_get_initiator_sid != NULL) { + if (dev->se_sub_dev->se_dev_attrib.enforce_pr_isids) continue; } atomic_inc(&pr_reg->pr_res_holders); @@ -1157,7 +1157,7 @@ static struct t10_pr_registration *__core_scsi3_locate_pr_reg( * SCSI Initiator Port TransportIDs, then we expect a valid * matching ISID to be provided by the local SCSI Initiator Port. */ - if (!(isid)) + if (!isid) continue; if (strcmp(isid, pr_reg->pr_reg_isid)) continue; @@ -1180,9 +1180,9 @@ static struct t10_pr_registration *core_scsi3_locate_pr_reg( struct se_portal_group *tpg = nacl->se_tpg; unsigned char buf[PR_REG_ISID_LEN], *isid_ptr = NULL; - if (TPG_TFO(tpg)->sess_get_initiator_sid != NULL) { + if (tpg->se_tpg_tfo->sess_get_initiator_sid != NULL) { memset(&buf[0], 0, PR_REG_ISID_LEN); - TPG_TFO(tpg)->sess_get_initiator_sid(sess, &buf[0], + tpg->se_tpg_tfo->sess_get_initiator_sid(sess, &buf[0], PR_REG_ISID_LEN); isid_ptr = &buf[0]; } @@ -1206,7 +1206,7 @@ static int core_scsi3_check_implict_release( spin_lock(&dev->dev_reservation_lock); pr_res_holder = dev->dev_pr_res_holder; - if (!(pr_res_holder)) { + if (!pr_res_holder) { spin_unlock(&dev->dev_reservation_lock); return ret; } @@ -1236,11 +1236,11 @@ static int core_scsi3_check_implict_release( (!strcmp(pr_res_holder->pr_reg_nacl->initiatorname, pr_reg->pr_reg_nacl->initiatorname)) && (pr_res_holder->pr_res_key == pr_reg->pr_res_key)) { - printk(KERN_ERR "SPC-3 PR: Unable to perform ALL_TG_PT=1" + pr_err("SPC-3 PR: Unable to perform ALL_TG_PT=1" " UNREGISTER while existing reservation with matching" " key 0x%016Lx is present from another SCSI Initiator" " Port\n", pr_reg->pr_res_key); - ret = -1; + ret = -EPERM; } spin_unlock(&dev->dev_reservation_lock); @@ -1248,7 +1248,7 @@ static int core_scsi3_check_implict_release( } /* - * Called with struct t10_reservation_template->registration_lock held. + * Called with struct t10_reservation->registration_lock held. */ static void __core_scsi3_free_registration( struct se_device *dev, @@ -1258,7 +1258,7 @@ static void __core_scsi3_free_registration( { struct target_core_fabric_ops *tfo = pr_reg->pr_reg_nacl->se_tpg->se_tpg_tfo; - struct t10_reservation_template *pr_tmpl = &SU_DEV(dev)->t10_reservation; + struct t10_reservation *pr_tmpl = &dev->se_sub_dev->t10_pr; char i_buf[PR_REG_ISID_ID_LEN]; int prf_isid; @@ -1283,25 +1283,25 @@ static void __core_scsi3_free_registration( */ while (atomic_read(&pr_reg->pr_res_holders) != 0) { spin_unlock(&pr_tmpl->registration_lock); - printk("SPC-3 PR [%s] waiting for pr_res_holders\n", + pr_debug("SPC-3 PR [%s] waiting for pr_res_holders\n", tfo->get_fabric_name()); cpu_relax(); spin_lock(&pr_tmpl->registration_lock); } - printk(KERN_INFO "SPC-3 PR [%s] Service Action: UNREGISTER Initiator" + pr_debug("SPC-3 PR [%s] Service Action: UNREGISTER Initiator" " Node: %s%s\n", tfo->get_fabric_name(), pr_reg->pr_reg_nacl->initiatorname, (prf_isid) ? &i_buf[0] : ""); - printk(KERN_INFO "SPC-3 PR [%s] for %s TCM Subsystem %s Object Target" + pr_debug("SPC-3 PR [%s] for %s TCM Subsystem %s Object Target" " Port(s)\n", tfo->get_fabric_name(), (pr_reg->pr_reg_all_tg_pt) ? "ALL" : "SINGLE", - TRANSPORT(dev)->name); - printk(KERN_INFO "SPC-3 PR [%s] SA Res Key: 0x%016Lx PRgeneration:" + dev->transport->name); + pr_debug("SPC-3 PR [%s] SA Res Key: 0x%016Lx PRgeneration:" " 0x%08x\n", tfo->get_fabric_name(), pr_reg->pr_res_key, pr_reg->pr_res_generation); - if (!(preempt_and_abort_list)) { + if (!preempt_and_abort_list) { pr_reg->pr_reg_deve = NULL; pr_reg->pr_reg_nacl = NULL; kfree(pr_reg->pr_aptpl_buf); @@ -1319,7 +1319,7 @@ void core_scsi3_free_pr_reg_from_nacl( struct se_device *dev, struct se_node_acl *nacl) { - struct t10_reservation_template *pr_tmpl = &SU_DEV(dev)->t10_reservation; + struct t10_reservation *pr_tmpl = &dev->se_sub_dev->t10_pr; struct t10_pr_registration *pr_reg, *pr_reg_tmp, *pr_res_holder; /* * If the passed se_node_acl matches the reservation holder, @@ -1349,7 +1349,7 @@ void core_scsi3_free_pr_reg_from_nacl( void core_scsi3_free_all_registrations( struct se_device *dev) { - struct t10_reservation_template *pr_tmpl = &SU_DEV(dev)->t10_reservation; + struct t10_reservation *pr_tmpl = &dev->se_sub_dev->t10_pr; struct t10_pr_registration *pr_reg, *pr_reg_tmp, *pr_res_holder; spin_lock(&dev->dev_reservation_lock); @@ -1381,13 +1381,13 @@ void core_scsi3_free_all_registrations( static int core_scsi3_tpg_depend_item(struct se_portal_group *tpg) { - return configfs_depend_item(TPG_TFO(tpg)->tf_subsys, + return configfs_depend_item(tpg->se_tpg_tfo->tf_subsys, &tpg->tpg_group.cg_item); } static void core_scsi3_tpg_undepend_item(struct se_portal_group *tpg) { - configfs_undepend_item(TPG_TFO(tpg)->tf_subsys, + configfs_undepend_item(tpg->se_tpg_tfo->tf_subsys, &tpg->tpg_group.cg_item); atomic_dec(&tpg->tpg_pr_ref_count); @@ -1401,7 +1401,7 @@ static int core_scsi3_nodeacl_depend_item(struct se_node_acl *nacl) if (nacl->dynamic_node_acl) return 0; - return configfs_depend_item(TPG_TFO(tpg)->tf_subsys, + return configfs_depend_item(tpg->se_tpg_tfo->tf_subsys, &nacl->acl_group.cg_item); } @@ -1415,7 +1415,7 @@ static void core_scsi3_nodeacl_undepend_item(struct se_node_acl *nacl) return; } - configfs_undepend_item(TPG_TFO(tpg)->tf_subsys, + configfs_undepend_item(tpg->se_tpg_tfo->tf_subsys, &nacl->acl_group.cg_item); atomic_dec(&nacl->acl_pr_ref_count); @@ -1430,13 +1430,13 @@ static int core_scsi3_lunacl_depend_item(struct se_dev_entry *se_deve) /* * For nacl->dynamic_node_acl=1 */ - if (!(lun_acl)) + if (!lun_acl) return 0; nacl = lun_acl->se_lun_nacl; tpg = nacl->se_tpg; - return configfs_depend_item(TPG_TFO(tpg)->tf_subsys, + return configfs_depend_item(tpg->se_tpg_tfo->tf_subsys, &lun_acl->se_lun_group.cg_item); } @@ -1448,7 +1448,7 @@ static void core_scsi3_lunacl_undepend_item(struct se_dev_entry *se_deve) /* * For nacl->dynamic_node_acl=1 */ - if (!(lun_acl)) { + if (!lun_acl) { atomic_dec(&se_deve->pr_ref_count); smp_mb__after_atomic_dec(); return; @@ -1456,7 +1456,7 @@ static void core_scsi3_lunacl_undepend_item(struct se_dev_entry *se_deve) nacl = lun_acl->se_lun_nacl; tpg = nacl->se_tpg; - configfs_undepend_item(TPG_TFO(tpg)->tf_subsys, + configfs_undepend_item(tpg->se_tpg_tfo->tf_subsys, &lun_acl->se_lun_group.cg_item); atomic_dec(&se_deve->pr_ref_count); @@ -1471,10 +1471,10 @@ static int core_scsi3_decode_spec_i_port( int all_tg_pt, int aptpl) { - struct se_device *dev = SE_DEV(cmd); + struct se_device *dev = cmd->se_dev; struct se_port *tmp_port; struct se_portal_group *dest_tpg = NULL, *tmp_tpg; - struct se_session *se_sess = SE_SESS(cmd); + struct se_session *se_sess = cmd->se_sess; struct se_node_acl *dest_node_acl = NULL; struct se_dev_entry *dest_se_deve = NULL, *local_se_deve; struct t10_pr_registration *dest_pr_reg, *local_pr_reg, *pr_reg_e; @@ -1482,7 +1482,7 @@ static int core_scsi3_decode_spec_i_port( struct list_head tid_dest_list; struct pr_transport_id_holder *tidh_new, *tidh, *tidh_tmp; struct target_core_fabric_ops *tmp_tf_ops; - unsigned char *buf = (unsigned char *)T_TASK(cmd)->t_task_buf; + unsigned char *buf; unsigned char *ptr, *i_str = NULL, proto_ident, tmp_proto_ident; char *iport_ptr = NULL, dest_iport[64], i_buf[PR_REG_ISID_ID_LEN]; u32 tpdl, tid_len = 0; @@ -1500,8 +1500,8 @@ static int core_scsi3_decode_spec_i_port( * processing in the loop of tid_dest_list below. */ tidh_new = kzalloc(sizeof(struct pr_transport_id_holder), GFP_KERNEL); - if (!(tidh_new)) { - printk(KERN_ERR "Unable to allocate tidh_new\n"); + if (!tidh_new) { + pr_err("Unable to allocate tidh_new\n"); return PYX_TRANSPORT_LU_COMM_FAILURE; } INIT_LIST_HEAD(&tidh_new->dest_list); @@ -1509,10 +1509,10 @@ static int core_scsi3_decode_spec_i_port( tidh_new->dest_node_acl = se_sess->se_node_acl; tidh_new->dest_se_deve = local_se_deve; - local_pr_reg = __core_scsi3_alloc_registration(SE_DEV(cmd), + local_pr_reg = __core_scsi3_alloc_registration(cmd->se_dev, se_sess->se_node_acl, local_se_deve, l_isid, sa_res_key, all_tg_pt, aptpl); - if (!(local_pr_reg)) { + if (!local_pr_reg) { kfree(tidh_new); return PYX_TRANSPORT_LU_COMM_FAILURE; } @@ -1524,6 +1524,8 @@ static int core_scsi3_decode_spec_i_port( */ tidh_new->dest_local_nexus = 1; list_add_tail(&tidh_new->dest_list, &tid_dest_list); + + buf = transport_kmap_first_data_page(cmd); /* * For a PERSISTENT RESERVE OUT specify initiator ports payload, * first extract TransportID Parameter Data Length, and make sure @@ -1535,7 +1537,7 @@ static int core_scsi3_decode_spec_i_port( tpdl |= buf[27] & 0xff; if ((tpdl + 28) != cmd->data_length) { - printk(KERN_ERR "SPC-3 PR: Illegal tpdl: %u + 28 byte header" + pr_err("SPC-3 PR: Illegal tpdl: %u + 28 byte header" " does not equal CDB data_length: %u\n", tpdl, cmd->data_length); ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST; @@ -1555,13 +1557,13 @@ static int core_scsi3_decode_spec_i_port( spin_lock(&dev->se_port_lock); list_for_each_entry(tmp_port, &dev->dev_sep_list, sep_list) { tmp_tpg = tmp_port->sep_tpg; - if (!(tmp_tpg)) + if (!tmp_tpg) continue; - tmp_tf_ops = TPG_TFO(tmp_tpg); - if (!(tmp_tf_ops)) + tmp_tf_ops = tmp_tpg->se_tpg_tfo; + if (!tmp_tf_ops) continue; - if (!(tmp_tf_ops->get_fabric_proto_ident) || - !(tmp_tf_ops->tpg_parse_pr_out_transport_id)) + if (!tmp_tf_ops->get_fabric_proto_ident || + !tmp_tf_ops->tpg_parse_pr_out_transport_id) continue; /* * Look for the matching proto_ident provided by @@ -1575,7 +1577,7 @@ static int core_scsi3_decode_spec_i_port( i_str = tmp_tf_ops->tpg_parse_pr_out_transport_id( tmp_tpg, (const char *)ptr, &tid_len, &iport_ptr); - if (!(i_str)) + if (!i_str) continue; atomic_inc(&tmp_tpg->tpg_pr_ref_count); @@ -1584,7 +1586,7 @@ static int core_scsi3_decode_spec_i_port( ret = core_scsi3_tpg_depend_item(tmp_tpg); if (ret != 0) { - printk(KERN_ERR " core_scsi3_tpg_depend_item()" + pr_err(" core_scsi3_tpg_depend_item()" " for tmp_tpg\n"); atomic_dec(&tmp_tpg->tpg_pr_ref_count); smp_mb__after_atomic_dec(); @@ -1605,7 +1607,7 @@ static int core_scsi3_decode_spec_i_port( } spin_unlock_bh(&tmp_tpg->acl_node_lock); - if (!(dest_node_acl)) { + if (!dest_node_acl) { core_scsi3_tpg_undepend_item(tmp_tpg); spin_lock(&dev->se_port_lock); continue; @@ -1613,7 +1615,7 @@ static int core_scsi3_decode_spec_i_port( ret = core_scsi3_nodeacl_depend_item(dest_node_acl); if (ret != 0) { - printk(KERN_ERR "configfs_depend_item() failed" + pr_err("configfs_depend_item() failed" " for dest_node_acl->acl_group\n"); atomic_dec(&dest_node_acl->acl_pr_ref_count); smp_mb__after_atomic_dec(); @@ -1623,9 +1625,9 @@ static int core_scsi3_decode_spec_i_port( } dest_tpg = tmp_tpg; - printk(KERN_INFO "SPC-3 PR SPEC_I_PT: Located %s Node:" + pr_debug("SPC-3 PR SPEC_I_PT: Located %s Node:" " %s Port RTPI: %hu\n", - TPG_TFO(dest_tpg)->get_fabric_name(), + dest_tpg->se_tpg_tfo->get_fabric_name(), dest_node_acl->initiatorname, dest_rtpi); spin_lock(&dev->se_port_lock); @@ -1633,20 +1635,20 @@ static int core_scsi3_decode_spec_i_port( } spin_unlock(&dev->se_port_lock); - if (!(dest_tpg)) { - printk(KERN_ERR "SPC-3 PR SPEC_I_PT: Unable to locate" + if (!dest_tpg) { + pr_err("SPC-3 PR SPEC_I_PT: Unable to locate" " dest_tpg\n"); ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST; goto out; } #if 0 - printk("SPC-3 PR SPEC_I_PT: Got %s data_length: %u tpdl: %u" + pr_debug("SPC-3 PR SPEC_I_PT: Got %s data_length: %u tpdl: %u" " tid_len: %d for %s + %s\n", - TPG_TFO(dest_tpg)->get_fabric_name(), cmd->data_length, + dest_tpg->se_tpg_tfo->get_fabric_name(), cmd->data_length, tpdl, tid_len, i_str, iport_ptr); #endif if (tid_len > tpdl) { - printk(KERN_ERR "SPC-3 PR SPEC_I_PT: Illegal tid_len:" + pr_err("SPC-3 PR SPEC_I_PT: Illegal tid_len:" " %u for Transport ID: %s\n", tid_len, ptr); core_scsi3_nodeacl_undepend_item(dest_node_acl); core_scsi3_tpg_undepend_item(dest_tpg); @@ -1660,10 +1662,10 @@ static int core_scsi3_decode_spec_i_port( */ dest_se_deve = core_get_se_deve_from_rtpi(dest_node_acl, dest_rtpi); - if (!(dest_se_deve)) { - printk(KERN_ERR "Unable to locate %s dest_se_deve" + if (!dest_se_deve) { + pr_err("Unable to locate %s dest_se_deve" " from destination RTPI: %hu\n", - TPG_TFO(dest_tpg)->get_fabric_name(), + dest_tpg->se_tpg_tfo->get_fabric_name(), dest_rtpi); core_scsi3_nodeacl_undepend_item(dest_node_acl); @@ -1674,7 +1676,7 @@ static int core_scsi3_decode_spec_i_port( ret = core_scsi3_lunacl_depend_item(dest_se_deve); if (ret < 0) { - printk(KERN_ERR "core_scsi3_lunacl_depend_item()" + pr_err("core_scsi3_lunacl_depend_item()" " failed\n"); atomic_dec(&dest_se_deve->pr_ref_count); smp_mb__after_atomic_dec(); @@ -1684,9 +1686,9 @@ static int core_scsi3_decode_spec_i_port( goto out; } #if 0 - printk(KERN_INFO "SPC-3 PR SPEC_I_PT: Located %s Node: %s" + pr_debug("SPC-3 PR SPEC_I_PT: Located %s Node: %s" " dest_se_deve mapped_lun: %u\n", - TPG_TFO(dest_tpg)->get_fabric_name(), + dest_tpg->se_tpg_tfo->get_fabric_name(), dest_node_acl->initiatorname, dest_se_deve->mapped_lun); #endif /* @@ -1712,8 +1714,8 @@ static int core_scsi3_decode_spec_i_port( */ tidh_new = kzalloc(sizeof(struct pr_transport_id_holder), GFP_KERNEL); - if (!(tidh_new)) { - printk(KERN_ERR "Unable to allocate tidh_new\n"); + if (!tidh_new) { + pr_err("Unable to allocate tidh_new\n"); core_scsi3_lunacl_undepend_item(dest_se_deve); core_scsi3_nodeacl_undepend_item(dest_node_acl); core_scsi3_tpg_undepend_item(dest_tpg); @@ -1741,10 +1743,10 @@ static int core_scsi3_decode_spec_i_port( * and then call __core_scsi3_add_registration() in the * 2nd loop which will never fail. */ - dest_pr_reg = __core_scsi3_alloc_registration(SE_DEV(cmd), + dest_pr_reg = __core_scsi3_alloc_registration(cmd->se_dev, dest_node_acl, dest_se_deve, iport_ptr, sa_res_key, all_tg_pt, aptpl); - if (!(dest_pr_reg)) { + if (!dest_pr_reg) { core_scsi3_lunacl_undepend_item(dest_se_deve); core_scsi3_nodeacl_undepend_item(dest_node_acl); core_scsi3_tpg_undepend_item(dest_tpg); @@ -1760,6 +1762,9 @@ static int core_scsi3_decode_spec_i_port( tid_len = 0; } + + transport_kunmap_first_data_page(cmd); + /* * Go ahead and create a registrations from tid_dest_list for the * SPEC_I_PT provided TransportID for the *tidh referenced dest_node_acl @@ -1787,12 +1792,12 @@ static int core_scsi3_decode_spec_i_port( prf_isid = core_pr_dump_initiator_port(dest_pr_reg, &i_buf[0], PR_REG_ISID_ID_LEN); - __core_scsi3_add_registration(SE_DEV(cmd), dest_node_acl, + __core_scsi3_add_registration(cmd->se_dev, dest_node_acl, dest_pr_reg, 0, 0); - printk(KERN_INFO "SPC-3 PR [%s] SPEC_I_PT: Successfully" + pr_debug("SPC-3 PR [%s] SPEC_I_PT: Successfully" " registered Transport ID for Node: %s%s Mapped LUN:" - " %u\n", TPG_TFO(dest_tpg)->get_fabric_name(), + " %u\n", dest_tpg->se_tpg_tfo->get_fabric_name(), dest_node_acl->initiatorname, (prf_isid) ? &i_buf[0] : "", dest_se_deve->mapped_lun); @@ -1806,6 +1811,7 @@ static int core_scsi3_decode_spec_i_port( return 0; out: + transport_kunmap_first_data_page(cmd); /* * For the failure case, release everything from tid_dest_list * including *dest_pr_reg and the configfs dependances.. @@ -1855,7 +1861,7 @@ static int __core_scsi3_update_aptpl_buf( { struct se_lun *lun; struct se_portal_group *tpg; - struct se_subsystem_dev *su_dev = SU_DEV(dev); + struct se_subsystem_dev *su_dev = dev->se_sub_dev; struct t10_pr_registration *pr_reg; unsigned char tmp[512], isid_buf[32]; ssize_t len = 0; @@ -1873,8 +1879,8 @@ static int __core_scsi3_update_aptpl_buf( /* * Walk the registration list.. */ - spin_lock(&T10_RES(su_dev)->registration_lock); - list_for_each_entry(pr_reg, &T10_RES(su_dev)->registration_list, + spin_lock(&su_dev->t10_pr.registration_lock); + list_for_each_entry(pr_reg, &su_dev->t10_pr.registration_list, pr_reg_list) { tmp[0] = '\0'; @@ -1900,7 +1906,7 @@ static int __core_scsi3_update_aptpl_buf( "res_holder=1\nres_type=%02x\n" "res_scope=%02x\nres_all_tg_pt=%d\n" "mapped_lun=%u\n", reg_count, - TPG_TFO(tpg)->get_fabric_name(), + tpg->se_tpg_tfo->get_fabric_name(), pr_reg->pr_reg_nacl->initiatorname, isid_buf, pr_reg->pr_res_key, pr_reg->pr_res_type, pr_reg->pr_res_scope, pr_reg->pr_reg_all_tg_pt, @@ -1910,17 +1916,17 @@ static int __core_scsi3_update_aptpl_buf( "initiator_fabric=%s\ninitiator_node=%s\n%s" "sa_res_key=%llu\nres_holder=0\n" "res_all_tg_pt=%d\nmapped_lun=%u\n", - reg_count, TPG_TFO(tpg)->get_fabric_name(), + reg_count, tpg->se_tpg_tfo->get_fabric_name(), pr_reg->pr_reg_nacl->initiatorname, isid_buf, pr_reg->pr_res_key, pr_reg->pr_reg_all_tg_pt, pr_reg->pr_res_mapped_lun); } if ((len + strlen(tmp) >= pr_aptpl_buf_len)) { - printk(KERN_ERR "Unable to update renaming" + pr_err("Unable to update renaming" " APTPL metadata\n"); - spin_unlock(&T10_RES(su_dev)->registration_lock); - return -1; + spin_unlock(&su_dev->t10_pr.registration_lock); + return -EMSGSIZE; } len += sprintf(buf+len, "%s", tmp); @@ -1929,23 +1935,23 @@ static int __core_scsi3_update_aptpl_buf( */ snprintf(tmp, 512, "target_fabric=%s\ntarget_node=%s\n" "tpgt=%hu\nport_rtpi=%hu\ntarget_lun=%u\nPR_REG_END:" - " %d\n", TPG_TFO(tpg)->get_fabric_name(), - TPG_TFO(tpg)->tpg_get_wwn(tpg), - TPG_TFO(tpg)->tpg_get_tag(tpg), + " %d\n", tpg->se_tpg_tfo->get_fabric_name(), + tpg->se_tpg_tfo->tpg_get_wwn(tpg), + tpg->se_tpg_tfo->tpg_get_tag(tpg), lun->lun_sep->sep_rtpi, lun->unpacked_lun, reg_count); if ((len + strlen(tmp) >= pr_aptpl_buf_len)) { - printk(KERN_ERR "Unable to update renaming" + pr_err("Unable to update renaming" " APTPL metadata\n"); - spin_unlock(&T10_RES(su_dev)->registration_lock); - return -1; + spin_unlock(&su_dev->t10_pr.registration_lock); + return -EMSGSIZE; } len += sprintf(buf+len, "%s", tmp); reg_count++; } - spin_unlock(&T10_RES(su_dev)->registration_lock); + spin_unlock(&su_dev->t10_pr.registration_lock); - if (!(reg_count)) + if (!reg_count) len += sprintf(buf+len, "No Registrations or Reservations"); return 0; @@ -1975,7 +1981,7 @@ static int __core_scsi3_write_aptpl_to_file( unsigned char *buf, u32 pr_aptpl_buf_len) { - struct t10_wwn *wwn = &SU_DEV(dev)->t10_wwn; + struct t10_wwn *wwn = &dev->se_sub_dev->t10_wwn; struct file *file; struct iovec iov[1]; mm_segment_t old_fs; @@ -1987,21 +1993,21 @@ static int __core_scsi3_write_aptpl_to_file( memset(path, 0, 512); if (strlen(&wwn->unit_serial[0]) >= 512) { - printk(KERN_ERR "WWN value for struct se_device does not fit" + pr_err("WWN value for struct se_device does not fit" " into path buffer\n"); - return -1; + return -EMSGSIZE; } snprintf(path, 512, "/var/target/pr/aptpl_%s", &wwn->unit_serial[0]); file = filp_open(path, flags, 0600); if (IS_ERR(file) || !file || !file->f_dentry) { - printk(KERN_ERR "filp_open(%s) for APTPL metadata" + pr_err("filp_open(%s) for APTPL metadata" " failed\n", path); - return -1; + return (PTR_ERR(file) < 0 ? PTR_ERR(file) : -ENOENT); } iov[0].iov_base = &buf[0]; - if (!(pr_aptpl_buf_len)) + if (!pr_aptpl_buf_len) iov[0].iov_len = (strlen(&buf[0]) + 1); /* Add extra for NULL */ else iov[0].iov_len = pr_aptpl_buf_len; @@ -2012,9 +2018,9 @@ static int __core_scsi3_write_aptpl_to_file( set_fs(old_fs); if (ret < 0) { - printk("Error writing APTPL metadata file: %s\n", path); + pr_debug("Error writing APTPL metadata file: %s\n", path); filp_close(file, NULL); - return -1; + return -EIO; } filp_close(file, NULL); @@ -2032,7 +2038,7 @@ static int core_scsi3_update_and_write_aptpl( /* * Can be called with a NULL pointer from PROUT service action CLEAR */ - if (!(in_buf)) { + if (!in_buf) { memset(null_buf, 0, 64); buf = &null_buf[0]; /* @@ -2049,14 +2055,14 @@ static int core_scsi3_update_and_write_aptpl( ret = core_scsi3_update_aptpl_buf(dev, buf, pr_aptpl_buf_len, clear_aptpl_metadata); if (ret != 0) - return -1; + return ret; /* * __core_scsi3_write_aptpl_to_file() will call strlen() * on the passed buf to determine pr_aptpl_buf_len. */ ret = __core_scsi3_write_aptpl_to_file(dev, buf, 0); if (ret != 0) - return -1; + return ret; return ret; } @@ -2070,28 +2076,28 @@ static int core_scsi3_emulate_pro_register( int spec_i_pt, int ignore_key) { - struct se_session *se_sess = SE_SESS(cmd); - struct se_device *dev = SE_DEV(cmd); + struct se_session *se_sess = cmd->se_sess; + struct se_device *dev = cmd->se_dev; struct se_dev_entry *se_deve; - struct se_lun *se_lun = SE_LUN(cmd); + struct se_lun *se_lun = cmd->se_lun; struct se_portal_group *se_tpg; struct t10_pr_registration *pr_reg, *pr_reg_p, *pr_reg_tmp, *pr_reg_e; - struct t10_reservation_template *pr_tmpl = &SU_DEV(dev)->t10_reservation; + struct t10_reservation *pr_tmpl = &dev->se_sub_dev->t10_pr; /* Used for APTPL metadata w/ UNREGISTER */ unsigned char *pr_aptpl_buf = NULL; unsigned char isid_buf[PR_REG_ISID_LEN], *isid_ptr = NULL; int pr_holder = 0, ret = 0, type; - if (!(se_sess) || !(se_lun)) { - printk(KERN_ERR "SPC-3 PR: se_sess || struct se_lun is NULL!\n"); + if (!se_sess || !se_lun) { + pr_err("SPC-3 PR: se_sess || struct se_lun is NULL!\n"); return PYX_TRANSPORT_LU_COMM_FAILURE; } se_tpg = se_sess->se_tpg; se_deve = &se_sess->se_node_acl->device_list[cmd->orig_fe_lun]; - if (TPG_TFO(se_tpg)->sess_get_initiator_sid != NULL) { + if (se_tpg->se_tpg_tfo->sess_get_initiator_sid) { memset(&isid_buf[0], 0, PR_REG_ISID_LEN); - TPG_TFO(se_tpg)->sess_get_initiator_sid(se_sess, &isid_buf[0], + se_tpg->se_tpg_tfo->sess_get_initiator_sid(se_sess, &isid_buf[0], PR_REG_ISID_LEN); isid_ptr = &isid_buf[0]; } @@ -2099,30 +2105,30 @@ static int core_scsi3_emulate_pro_register( * Follow logic from spc4r17 Section 5.7.7, Register Behaviors Table 47 */ pr_reg_e = core_scsi3_locate_pr_reg(dev, se_sess->se_node_acl, se_sess); - if (!(pr_reg_e)) { + if (!pr_reg_e) { if (res_key) { - printk(KERN_WARNING "SPC-3 PR: Reservation Key non-zero" + pr_warn("SPC-3 PR: Reservation Key non-zero" " for SA REGISTER, returning CONFLICT\n"); return PYX_TRANSPORT_RESERVATION_CONFLICT; } /* * Do nothing but return GOOD status. */ - if (!(sa_res_key)) + if (!sa_res_key) return PYX_TRANSPORT_SENT_TO_TRANSPORT; - if (!(spec_i_pt)) { + if (!spec_i_pt) { /* * Perform the Service Action REGISTER on the Initiator * Port Endpoint that the PRO was received from on the * Logical Unit of the SCSI device server. */ - ret = core_scsi3_alloc_registration(SE_DEV(cmd), + ret = core_scsi3_alloc_registration(cmd->se_dev, se_sess->se_node_acl, se_deve, isid_ptr, sa_res_key, all_tg_pt, aptpl, ignore_key, 0); if (ret != 0) { - printk(KERN_ERR "Unable to allocate" + pr_err("Unable to allocate" " struct t10_pr_registration\n"); return PYX_TRANSPORT_INVALID_PARAMETER_LIST; } @@ -2143,10 +2149,10 @@ static int core_scsi3_emulate_pro_register( /* * Nothing left to do for the APTPL=0 case. */ - if (!(aptpl)) { + if (!aptpl) { pr_tmpl->pr_aptpl_active = 0; - core_scsi3_update_and_write_aptpl(SE_DEV(cmd), NULL, 0); - printk("SPC-3 PR: Set APTPL Bit Deactivated for" + core_scsi3_update_and_write_aptpl(cmd->se_dev, NULL, 0); + pr_debug("SPC-3 PR: Set APTPL Bit Deactivated for" " REGISTER\n"); return 0; } @@ -2155,15 +2161,15 @@ static int core_scsi3_emulate_pro_register( * update the APTPL metadata information using its * preallocated *pr_reg->pr_aptpl_buf. */ - pr_reg = core_scsi3_locate_pr_reg(SE_DEV(cmd), + pr_reg = core_scsi3_locate_pr_reg(cmd->se_dev, se_sess->se_node_acl, se_sess); - ret = core_scsi3_update_and_write_aptpl(SE_DEV(cmd), + ret = core_scsi3_update_and_write_aptpl(cmd->se_dev, &pr_reg->pr_aptpl_buf[0], pr_tmpl->pr_aptpl_buf_len); - if (!(ret)) { + if (!ret) { pr_tmpl->pr_aptpl_active = 1; - printk("SPC-3 PR: Set APTPL Bit Activated for REGISTER\n"); + pr_debug("SPC-3 PR: Set APTPL Bit Activated for REGISTER\n"); } core_scsi3_put_pr_reg(pr_reg); @@ -2175,9 +2181,9 @@ static int core_scsi3_emulate_pro_register( pr_reg = pr_reg_e; type = pr_reg->pr_res_type; - if (!(ignore_key)) { + if (!ignore_key) { if (res_key != pr_reg->pr_res_key) { - printk(KERN_ERR "SPC-3 PR REGISTER: Received" + pr_err("SPC-3 PR REGISTER: Received" " res_key: 0x%016Lx does not match" " existing SA REGISTER res_key:" " 0x%016Lx\n", res_key, @@ -2187,7 +2193,7 @@ static int core_scsi3_emulate_pro_register( } } if (spec_i_pt) { - printk(KERN_ERR "SPC-3 PR UNREGISTER: SPEC_I_PT" + pr_err("SPC-3 PR UNREGISTER: SPEC_I_PT" " set while sa_res_key=0\n"); core_scsi3_put_pr_reg(pr_reg); return PYX_TRANSPORT_INVALID_PARAMETER_LIST; @@ -2197,7 +2203,7 @@ static int core_scsi3_emulate_pro_register( * must also set ALL_TG_PT=1 in the incoming PROUT. */ if (pr_reg->pr_reg_all_tg_pt && !(all_tg_pt)) { - printk(KERN_ERR "SPC-3 PR UNREGISTER: ALL_TG_PT=1" + pr_err("SPC-3 PR UNREGISTER: ALL_TG_PT=1" " registration exists, but ALL_TG_PT=1 bit not" " present in received PROUT\n"); core_scsi3_put_pr_reg(pr_reg); @@ -2209,8 +2215,8 @@ static int core_scsi3_emulate_pro_register( if (aptpl) { pr_aptpl_buf = kzalloc(pr_tmpl->pr_aptpl_buf_len, GFP_KERNEL); - if (!(pr_aptpl_buf)) { - printk(KERN_ERR "Unable to allocate" + if (!pr_aptpl_buf) { + pr_err("Unable to allocate" " pr_aptpl_buf\n"); core_scsi3_put_pr_reg(pr_reg); return PYX_TRANSPORT_LU_COMM_FAILURE; @@ -2221,9 +2227,9 @@ static int core_scsi3_emulate_pro_register( * Nexus sa_res_key=1 Change Reservation Key for registered I_T * Nexus. */ - if (!(sa_res_key)) { + if (!sa_res_key) { pr_holder = core_scsi3_check_implict_release( - SE_DEV(cmd), pr_reg); + cmd->se_dev, pr_reg); if (pr_holder < 0) { kfree(pr_aptpl_buf); core_scsi3_put_pr_reg(pr_reg); @@ -2240,7 +2246,7 @@ static int core_scsi3_emulate_pro_register( &pr_tmpl->registration_list, pr_reg_list) { - if (!(pr_reg_p->pr_reg_all_tg_pt)) + if (!pr_reg_p->pr_reg_all_tg_pt) continue; if (pr_reg_p->pr_res_key != res_key) @@ -2260,7 +2266,7 @@ static int core_scsi3_emulate_pro_register( /* * Release the calling I_T Nexus registration now.. */ - __core_scsi3_free_registration(SE_DEV(cmd), pr_reg, + __core_scsi3_free_registration(cmd->se_dev, pr_reg, NULL, 1); /* * From spc4r17, section 5.7.11.3 Unregistering @@ -2289,10 +2295,10 @@ static int core_scsi3_emulate_pro_register( } spin_unlock(&pr_tmpl->registration_lock); - if (!(aptpl)) { + if (!aptpl) { pr_tmpl->pr_aptpl_active = 0; core_scsi3_update_and_write_aptpl(dev, NULL, 0); - printk("SPC-3 PR: Set APTPL Bit Deactivated" + pr_debug("SPC-3 PR: Set APTPL Bit Deactivated" " for UNREGISTER\n"); return 0; } @@ -2300,9 +2306,9 @@ static int core_scsi3_emulate_pro_register( ret = core_scsi3_update_and_write_aptpl(dev, &pr_aptpl_buf[0], pr_tmpl->pr_aptpl_buf_len); - if (!(ret)) { + if (!ret) { pr_tmpl->pr_aptpl_active = 1; - printk("SPC-3 PR: Set APTPL Bit Activated" + pr_debug("SPC-3 PR: Set APTPL Bit Activated" " for UNREGISTER\n"); } @@ -2315,20 +2321,20 @@ static int core_scsi3_emulate_pro_register( * READ_KEYS service action. */ pr_reg->pr_res_generation = core_scsi3_pr_generation( - SE_DEV(cmd)); + cmd->se_dev); pr_reg->pr_res_key = sa_res_key; - printk("SPC-3 PR [%s] REGISTER%s: Changed Reservation" + pr_debug("SPC-3 PR [%s] REGISTER%s: Changed Reservation" " Key for %s to: 0x%016Lx PRgeneration:" - " 0x%08x\n", CMD_TFO(cmd)->get_fabric_name(), + " 0x%08x\n", cmd->se_tfo->get_fabric_name(), (ignore_key) ? "_AND_IGNORE_EXISTING_KEY" : "", pr_reg->pr_reg_nacl->initiatorname, pr_reg->pr_res_key, pr_reg->pr_res_generation); - if (!(aptpl)) { + if (!aptpl) { pr_tmpl->pr_aptpl_active = 0; core_scsi3_update_and_write_aptpl(dev, NULL, 0); core_scsi3_put_pr_reg(pr_reg); - printk("SPC-3 PR: Set APTPL Bit Deactivated" + pr_debug("SPC-3 PR: Set APTPL Bit Deactivated" " for REGISTER\n"); return 0; } @@ -2336,9 +2342,9 @@ static int core_scsi3_emulate_pro_register( ret = core_scsi3_update_and_write_aptpl(dev, &pr_aptpl_buf[0], pr_tmpl->pr_aptpl_buf_len); - if (!(ret)) { + if (!ret) { pr_tmpl->pr_aptpl_active = 1; - printk("SPC-3 PR: Set APTPL Bit Activated" + pr_debug("SPC-3 PR: Set APTPL Bit Activated" " for REGISTER\n"); } @@ -2378,19 +2384,19 @@ static int core_scsi3_pro_reserve( int scope, u64 res_key) { - struct se_session *se_sess = SE_SESS(cmd); + struct se_session *se_sess = cmd->se_sess; struct se_dev_entry *se_deve; - struct se_lun *se_lun = SE_LUN(cmd); + struct se_lun *se_lun = cmd->se_lun; struct se_portal_group *se_tpg; struct t10_pr_registration *pr_reg, *pr_res_holder; - struct t10_reservation_template *pr_tmpl = &SU_DEV(dev)->t10_reservation; + struct t10_reservation *pr_tmpl = &dev->se_sub_dev->t10_pr; char i_buf[PR_REG_ISID_ID_LEN]; int ret, prf_isid; memset(i_buf, 0, PR_REG_ISID_ID_LEN); - if (!(se_sess) || !(se_lun)) { - printk(KERN_ERR "SPC-3 PR: se_sess || struct se_lun is NULL!\n"); + if (!se_sess || !se_lun) { + pr_err("SPC-3 PR: se_sess || struct se_lun is NULL!\n"); return PYX_TRANSPORT_LU_COMM_FAILURE; } se_tpg = se_sess->se_tpg; @@ -2398,10 +2404,10 @@ static int core_scsi3_pro_reserve( /* * Locate the existing *pr_reg via struct se_node_acl pointers */ - pr_reg = core_scsi3_locate_pr_reg(SE_DEV(cmd), se_sess->se_node_acl, + pr_reg = core_scsi3_locate_pr_reg(cmd->se_dev, se_sess->se_node_acl, se_sess); - if (!(pr_reg)) { - printk(KERN_ERR "SPC-3 PR: Unable to locate" + if (!pr_reg) { + pr_err("SPC-3 PR: Unable to locate" " PR_REGISTERED *pr_reg for RESERVE\n"); return PYX_TRANSPORT_LU_COMM_FAILURE; } @@ -2415,7 +2421,7 @@ static int core_scsi3_pro_reserve( * registered with the logical unit for the I_T nexus; and */ if (res_key != pr_reg->pr_res_key) { - printk(KERN_ERR "SPC-3 PR RESERVE: Received res_key: 0x%016Lx" + pr_err("SPC-3 PR RESERVE: Received res_key: 0x%016Lx" " does not match existing SA REGISTER res_key:" " 0x%016Lx\n", res_key, pr_reg->pr_res_key); core_scsi3_put_pr_reg(pr_reg); @@ -2432,7 +2438,7 @@ static int core_scsi3_pro_reserve( * and that persistent reservation has a scope of LU_SCOPE. */ if (scope != PR_SCOPE_LU_SCOPE) { - printk(KERN_ERR "SPC-3 PR: Illegal SCOPE: 0x%02x\n", scope); + pr_err("SPC-3 PR: Illegal SCOPE: 0x%02x\n", scope); core_scsi3_put_pr_reg(pr_reg); return PYX_TRANSPORT_INVALID_PARAMETER_LIST; } @@ -2456,12 +2462,12 @@ static int core_scsi3_pro_reserve( */ if (pr_res_holder != pr_reg) { struct se_node_acl *pr_res_nacl = pr_res_holder->pr_reg_nacl; - printk(KERN_ERR "SPC-3 PR: Attempted RESERVE from" + pr_err("SPC-3 PR: Attempted RESERVE from" " [%s]: %s while reservation already held by" " [%s]: %s, returning RESERVATION_CONFLICT\n", - CMD_TFO(cmd)->get_fabric_name(), + cmd->se_tfo->get_fabric_name(), se_sess->se_node_acl->initiatorname, - TPG_TFO(pr_res_nacl->se_tpg)->get_fabric_name(), + pr_res_nacl->se_tpg->se_tpg_tfo->get_fabric_name(), pr_res_holder->pr_reg_nacl->initiatorname); spin_unlock(&dev->dev_reservation_lock); @@ -2478,13 +2484,13 @@ static int core_scsi3_pro_reserve( if ((pr_res_holder->pr_res_type != type) || (pr_res_holder->pr_res_scope != scope)) { struct se_node_acl *pr_res_nacl = pr_res_holder->pr_reg_nacl; - printk(KERN_ERR "SPC-3 PR: Attempted RESERVE from" + pr_err("SPC-3 PR: Attempted RESERVE from" " [%s]: %s trying to change TYPE and/or SCOPE," " while reservation already held by [%s]: %s," " returning RESERVATION_CONFLICT\n", - CMD_TFO(cmd)->get_fabric_name(), + cmd->se_tfo->get_fabric_name(), se_sess->se_node_acl->initiatorname, - TPG_TFO(pr_res_nacl->se_tpg)->get_fabric_name(), + pr_res_nacl->se_tpg->se_tpg_tfo->get_fabric_name(), pr_res_holder->pr_reg_nacl->initiatorname); spin_unlock(&dev->dev_reservation_lock); @@ -2516,22 +2522,22 @@ static int core_scsi3_pro_reserve( prf_isid = core_pr_dump_initiator_port(pr_reg, &i_buf[0], PR_REG_ISID_ID_LEN); - printk(KERN_INFO "SPC-3 PR [%s] Service Action: RESERVE created new" + pr_debug("SPC-3 PR [%s] Service Action: RESERVE created new" " reservation holder TYPE: %s ALL_TG_PT: %d\n", - CMD_TFO(cmd)->get_fabric_name(), core_scsi3_pr_dump_type(type), + cmd->se_tfo->get_fabric_name(), core_scsi3_pr_dump_type(type), (pr_reg->pr_reg_all_tg_pt) ? 1 : 0); - printk(KERN_INFO "SPC-3 PR [%s] RESERVE Node: %s%s\n", - CMD_TFO(cmd)->get_fabric_name(), + pr_debug("SPC-3 PR [%s] RESERVE Node: %s%s\n", + cmd->se_tfo->get_fabric_name(), se_sess->se_node_acl->initiatorname, (prf_isid) ? &i_buf[0] : ""); spin_unlock(&dev->dev_reservation_lock); if (pr_tmpl->pr_aptpl_active) { - ret = core_scsi3_update_and_write_aptpl(SE_DEV(cmd), + ret = core_scsi3_update_and_write_aptpl(cmd->se_dev, &pr_reg->pr_aptpl_buf[0], pr_tmpl->pr_aptpl_buf_len); - if (!(ret)) - printk(KERN_INFO "SPC-3 PR: Updated APTPL metadata" + if (!ret) + pr_debug("SPC-3 PR: Updated APTPL metadata" " for RESERVE\n"); } @@ -2558,7 +2564,7 @@ static int core_scsi3_emulate_pro_reserve( ret = core_scsi3_pro_reserve(cmd, dev, type, scope, res_key); break; default: - printk(KERN_ERR "SPC-3 PR: Unknown Service Action RESERVE Type:" + pr_err("SPC-3 PR: Unknown Service Action RESERVE Type:" " 0x%02x\n", type); return PYX_TRANSPORT_INVALID_CDB_FIELD; } @@ -2587,12 +2593,12 @@ static void __core_scsi3_complete_pro_release( */ dev->dev_pr_res_holder = NULL; - printk(KERN_INFO "SPC-3 PR [%s] Service Action: %s RELEASE cleared" + pr_debug("SPC-3 PR [%s] Service Action: %s RELEASE cleared" " reservation holder TYPE: %s ALL_TG_PT: %d\n", tfo->get_fabric_name(), (explict) ? "explict" : "implict", core_scsi3_pr_dump_type(pr_reg->pr_res_type), (pr_reg->pr_reg_all_tg_pt) ? 1 : 0); - printk(KERN_INFO "SPC-3 PR [%s] RELEASE Node: %s%s\n", + pr_debug("SPC-3 PR [%s] RELEASE Node: %s%s\n", tfo->get_fabric_name(), se_nacl->initiatorname, (prf_isid) ? &i_buf[0] : ""); /* @@ -2608,22 +2614,22 @@ static int core_scsi3_emulate_pro_release( u64 res_key) { struct se_device *dev = cmd->se_dev; - struct se_session *se_sess = SE_SESS(cmd); - struct se_lun *se_lun = SE_LUN(cmd); + struct se_session *se_sess = cmd->se_sess; + struct se_lun *se_lun = cmd->se_lun; struct t10_pr_registration *pr_reg, *pr_reg_p, *pr_res_holder; - struct t10_reservation_template *pr_tmpl = &SU_DEV(dev)->t10_reservation; + struct t10_reservation *pr_tmpl = &dev->se_sub_dev->t10_pr; int ret, all_reg = 0; - if (!(se_sess) || !(se_lun)) { - printk(KERN_ERR "SPC-3 PR: se_sess || struct se_lun is NULL!\n"); + if (!se_sess || !se_lun) { + pr_err("SPC-3 PR: se_sess || struct se_lun is NULL!\n"); return PYX_TRANSPORT_LU_COMM_FAILURE; } /* * Locate the existing *pr_reg via struct se_node_acl pointers */ pr_reg = core_scsi3_locate_pr_reg(dev, se_sess->se_node_acl, se_sess); - if (!(pr_reg)) { - printk(KERN_ERR "SPC-3 PR: Unable to locate" + if (!pr_reg) { + pr_err("SPC-3 PR: Unable to locate" " PR_REGISTERED *pr_reg for RELEASE\n"); return PYX_TRANSPORT_LU_COMM_FAILURE; } @@ -2641,7 +2647,7 @@ static int core_scsi3_emulate_pro_release( */ spin_lock(&dev->dev_reservation_lock); pr_res_holder = dev->dev_pr_res_holder; - if (!(pr_res_holder)) { + if (!pr_res_holder) { /* * No persistent reservation, return GOOD status. */ @@ -2678,7 +2684,7 @@ static int core_scsi3_emulate_pro_release( * that is registered with the logical unit for the I_T nexus; */ if (res_key != pr_reg->pr_res_key) { - printk(KERN_ERR "SPC-3 PR RELEASE: Received res_key: 0x%016Lx" + pr_err("SPC-3 PR RELEASE: Received res_key: 0x%016Lx" " does not match existing SA REGISTER res_key:" " 0x%016Lx\n", res_key, pr_reg->pr_res_key); spin_unlock(&dev->dev_reservation_lock); @@ -2694,13 +2700,13 @@ static int core_scsi3_emulate_pro_release( if ((pr_res_holder->pr_res_type != type) || (pr_res_holder->pr_res_scope != scope)) { struct se_node_acl *pr_res_nacl = pr_res_holder->pr_reg_nacl; - printk(KERN_ERR "SPC-3 PR RELEASE: Attempted to release" + pr_err("SPC-3 PR RELEASE: Attempted to release" " reservation from [%s]: %s with different TYPE " "and/or SCOPE while reservation already held by" " [%s]: %s, returning RESERVATION_CONFLICT\n", - CMD_TFO(cmd)->get_fabric_name(), + cmd->se_tfo->get_fabric_name(), se_sess->se_node_acl->initiatorname, - TPG_TFO(pr_res_nacl->se_tpg)->get_fabric_name(), + pr_res_nacl->se_tpg->se_tpg_tfo->get_fabric_name(), pr_res_holder->pr_reg_nacl->initiatorname); spin_unlock(&dev->dev_reservation_lock); @@ -2758,11 +2764,11 @@ static int core_scsi3_emulate_pro_release( write_aptpl: if (pr_tmpl->pr_aptpl_active) { - ret = core_scsi3_update_and_write_aptpl(SE_DEV(cmd), + ret = core_scsi3_update_and_write_aptpl(cmd->se_dev, &pr_reg->pr_aptpl_buf[0], pr_tmpl->pr_aptpl_buf_len); - if (!(ret)) - printk("SPC-3 PR: Updated APTPL metadata for RELEASE\n"); + if (!ret) + pr_debug("SPC-3 PR: Updated APTPL metadata for RELEASE\n"); } core_scsi3_put_pr_reg(pr_reg); @@ -2775,18 +2781,18 @@ static int core_scsi3_emulate_pro_clear( { struct se_device *dev = cmd->se_dev; struct se_node_acl *pr_reg_nacl; - struct se_session *se_sess = SE_SESS(cmd); - struct t10_reservation_template *pr_tmpl = &SU_DEV(dev)->t10_reservation; + struct se_session *se_sess = cmd->se_sess; + struct t10_reservation *pr_tmpl = &dev->se_sub_dev->t10_pr; struct t10_pr_registration *pr_reg, *pr_reg_tmp, *pr_reg_n, *pr_res_holder; u32 pr_res_mapped_lun = 0; int calling_it_nexus = 0; /* * Locate the existing *pr_reg via struct se_node_acl pointers */ - pr_reg_n = core_scsi3_locate_pr_reg(SE_DEV(cmd), + pr_reg_n = core_scsi3_locate_pr_reg(cmd->se_dev, se_sess->se_node_acl, se_sess); - if (!(pr_reg_n)) { - printk(KERN_ERR "SPC-3 PR: Unable to locate" + if (!pr_reg_n) { + pr_err("SPC-3 PR: Unable to locate" " PR_REGISTERED *pr_reg for CLEAR\n"); return PYX_TRANSPORT_LU_COMM_FAILURE; } @@ -2802,7 +2808,7 @@ static int core_scsi3_emulate_pro_clear( * that is registered with the logical unit for the I_T nexus. */ if (res_key != pr_reg_n->pr_res_key) { - printk(KERN_ERR "SPC-3 PR REGISTER: Received" + pr_err("SPC-3 PR REGISTER: Received" " res_key: 0x%016Lx does not match" " existing SA REGISTER res_key:" " 0x%016Lx\n", res_key, pr_reg_n->pr_res_key); @@ -2839,18 +2845,18 @@ static int core_scsi3_emulate_pro_clear( * command with CLEAR service action was received, with the * additional sense code set to RESERVATIONS PREEMPTED. */ - if (!(calling_it_nexus)) + if (!calling_it_nexus) core_scsi3_ua_allocate(pr_reg_nacl, pr_res_mapped_lun, 0x2A, ASCQ_2AH_RESERVATIONS_PREEMPTED); } spin_unlock(&pr_tmpl->registration_lock); - printk(KERN_INFO "SPC-3 PR [%s] Service Action: CLEAR complete\n", - CMD_TFO(cmd)->get_fabric_name()); + pr_debug("SPC-3 PR [%s] Service Action: CLEAR complete\n", + cmd->se_tfo->get_fabric_name()); if (pr_tmpl->pr_aptpl_active) { - core_scsi3_update_and_write_aptpl(SE_DEV(cmd), NULL, 0); - printk(KERN_INFO "SPC-3 PR: Updated APTPL metadata" + core_scsi3_update_and_write_aptpl(cmd->se_dev, NULL, 0); + pr_debug("SPC-3 PR: Updated APTPL metadata" " for CLEAR\n"); } @@ -2889,12 +2895,12 @@ static void __core_scsi3_complete_pro_preempt( pr_reg->pr_res_type = type; pr_reg->pr_res_scope = scope; - printk(KERN_INFO "SPC-3 PR [%s] Service Action: PREEMPT%s created new" + pr_debug("SPC-3 PR [%s] Service Action: PREEMPT%s created new" " reservation holder TYPE: %s ALL_TG_PT: %d\n", tfo->get_fabric_name(), (abort) ? "_AND_ABORT" : "", core_scsi3_pr_dump_type(type), (pr_reg->pr_reg_all_tg_pt) ? 1 : 0); - printk(KERN_INFO "SPC-3 PR [%s] PREEMPT%s from Node: %s%s\n", + pr_debug("SPC-3 PR [%s] PREEMPT%s from Node: %s%s\n", tfo->get_fabric_name(), (abort) ? "_AND_ABORT" : "", nacl->initiatorname, (prf_isid) ? &i_buf[0] : ""); /* @@ -2920,7 +2926,7 @@ static void core_scsi3_release_preempt_and_abort( if (pr_reg_holder == pr_reg) continue; if (pr_reg->pr_res_holder) { - printk(KERN_WARNING "pr_reg->pr_res_holder still set\n"); + pr_warn("pr_reg->pr_res_holder still set\n"); continue; } @@ -2954,25 +2960,25 @@ static int core_scsi3_pro_preempt( u64 sa_res_key, int abort) { - struct se_device *dev = SE_DEV(cmd); + struct se_device *dev = cmd->se_dev; struct se_dev_entry *se_deve; struct se_node_acl *pr_reg_nacl; - struct se_session *se_sess = SE_SESS(cmd); + struct se_session *se_sess = cmd->se_sess; struct list_head preempt_and_abort_list; struct t10_pr_registration *pr_reg, *pr_reg_tmp, *pr_reg_n, *pr_res_holder; - struct t10_reservation_template *pr_tmpl = &SU_DEV(dev)->t10_reservation; + struct t10_reservation *pr_tmpl = &dev->se_sub_dev->t10_pr; u32 pr_res_mapped_lun = 0; int all_reg = 0, calling_it_nexus = 0, released_regs = 0; int prh_type = 0, prh_scope = 0, ret; - if (!(se_sess)) + if (!se_sess) return PYX_TRANSPORT_LU_COMM_FAILURE; se_deve = &se_sess->se_node_acl->device_list[cmd->orig_fe_lun]; - pr_reg_n = core_scsi3_locate_pr_reg(SE_DEV(cmd), se_sess->se_node_acl, + pr_reg_n = core_scsi3_locate_pr_reg(cmd->se_dev, se_sess->se_node_acl, se_sess); - if (!(pr_reg_n)) { - printk(KERN_ERR "SPC-3 PR: Unable to locate" + if (!pr_reg_n) { + pr_err("SPC-3 PR: Unable to locate" " PR_REGISTERED *pr_reg for PREEMPT%s\n", (abort) ? "_AND_ABORT" : ""); return PYX_TRANSPORT_RESERVATION_CONFLICT; @@ -2982,7 +2988,7 @@ static int core_scsi3_pro_preempt( return PYX_TRANSPORT_RESERVATION_CONFLICT; } if (scope != PR_SCOPE_LU_SCOPE) { - printk(KERN_ERR "SPC-3 PR: Illegal SCOPE: 0x%02x\n", scope); + pr_err("SPC-3 PR: Illegal SCOPE: 0x%02x\n", scope); core_scsi3_put_pr_reg(pr_reg_n); return PYX_TRANSPORT_INVALID_PARAMETER_LIST; } @@ -2995,7 +3001,7 @@ static int core_scsi3_pro_preempt( (pr_res_holder->pr_res_type == PR_TYPE_EXCLUSIVE_ACCESS_ALLREG))) all_reg = 1; - if (!(all_reg) && !(sa_res_key)) { + if (!all_reg && !sa_res_key) { spin_unlock(&dev->dev_reservation_lock); core_scsi3_put_pr_reg(pr_reg_n); return PYX_TRANSPORT_INVALID_PARAMETER_LIST; @@ -3009,7 +3015,7 @@ static int core_scsi3_pro_preempt( * server shall perform a preempt by doing the following in an * uninterrupted series of actions. (See below..) */ - if (!(pr_res_holder) || (pr_res_holder->pr_res_key != sa_res_key)) { + if (!pr_res_holder || (pr_res_holder->pr_res_key != sa_res_key)) { /* * No existing or SA Reservation Key matching reservations.. * @@ -3036,7 +3042,7 @@ static int core_scsi3_pro_preempt( * was received, with the additional sense code set * to REGISTRATIONS PREEMPTED. */ - if (!(all_reg)) { + if (!all_reg) { if (pr_reg->pr_res_key != sa_res_key) continue; @@ -3076,7 +3082,7 @@ static int core_scsi3_pro_preempt( NULL, 0); released_regs++; } - if (!(calling_it_nexus)) + if (!calling_it_nexus) core_scsi3_ua_allocate(pr_reg_nacl, pr_res_mapped_lun, 0x2A, ASCQ_2AH_RESERVATIONS_PREEMPTED); @@ -3089,7 +3095,7 @@ static int core_scsi3_pro_preempt( * registered reservation key, then the device server shall * complete the command with RESERVATION CONFLICT status. */ - if (!(released_regs)) { + if (!released_regs) { spin_unlock(&dev->dev_reservation_lock); core_scsi3_put_pr_reg(pr_reg_n); return PYX_TRANSPORT_RESERVATION_CONFLICT; @@ -3111,17 +3117,17 @@ static int core_scsi3_pro_preempt( spin_unlock(&dev->dev_reservation_lock); if (pr_tmpl->pr_aptpl_active) { - ret = core_scsi3_update_and_write_aptpl(SE_DEV(cmd), + ret = core_scsi3_update_and_write_aptpl(cmd->se_dev, &pr_reg_n->pr_aptpl_buf[0], pr_tmpl->pr_aptpl_buf_len); - if (!(ret)) - printk(KERN_INFO "SPC-3 PR: Updated APTPL" + if (!ret) + pr_debug("SPC-3 PR: Updated APTPL" " metadata for PREEMPT%s\n", (abort) ? "_AND_ABORT" : ""); } core_scsi3_put_pr_reg(pr_reg_n); - core_scsi3_pr_generation(SE_DEV(cmd)); + core_scsi3_pr_generation(cmd->se_dev); return 0; } /* @@ -3247,16 +3253,16 @@ static int core_scsi3_pro_preempt( } if (pr_tmpl->pr_aptpl_active) { - ret = core_scsi3_update_and_write_aptpl(SE_DEV(cmd), + ret = core_scsi3_update_and_write_aptpl(cmd->se_dev, &pr_reg_n->pr_aptpl_buf[0], pr_tmpl->pr_aptpl_buf_len); - if (!(ret)) - printk("SPC-3 PR: Updated APTPL metadata for PREEMPT" + if (!ret) + pr_debug("SPC-3 PR: Updated APTPL metadata for PREEMPT" "%s\n", (abort) ? "_AND_ABORT" : ""); } core_scsi3_put_pr_reg(pr_reg_n); - core_scsi3_pr_generation(SE_DEV(cmd)); + core_scsi3_pr_generation(cmd->se_dev); return 0; } @@ -3281,7 +3287,7 @@ static int core_scsi3_emulate_pro_preempt( res_key, sa_res_key, abort); break; default: - printk(KERN_ERR "SPC-3 PR: Unknown Service Action PREEMPT%s" + pr_err("SPC-3 PR: Unknown Service Action PREEMPT%s" " Type: 0x%02x\n", (abort) ? "_AND_ABORT" : "", type); return PYX_TRANSPORT_INVALID_CDB_FIELD; } @@ -3297,17 +3303,17 @@ static int core_scsi3_emulate_pro_register_and_move( int aptpl, int unreg) { - struct se_session *se_sess = SE_SESS(cmd); - struct se_device *dev = SE_DEV(cmd); + struct se_session *se_sess = cmd->se_sess; + struct se_device *dev = cmd->se_dev; struct se_dev_entry *se_deve, *dest_se_deve = NULL; - struct se_lun *se_lun = SE_LUN(cmd); + struct se_lun *se_lun = cmd->se_lun; struct se_node_acl *pr_res_nacl, *pr_reg_nacl, *dest_node_acl = NULL; struct se_port *se_port; struct se_portal_group *se_tpg, *dest_se_tpg = NULL; struct target_core_fabric_ops *dest_tf_ops = NULL, *tf_ops; struct t10_pr_registration *pr_reg, *pr_res_holder, *dest_pr_reg; - struct t10_reservation_template *pr_tmpl = &SU_DEV(dev)->t10_reservation; - unsigned char *buf = (unsigned char *)T_TASK(cmd)->t_task_buf; + struct t10_reservation *pr_tmpl = &dev->se_sub_dev->t10_pr; + unsigned char *buf; unsigned char *initiator_str; char *iport_ptr = NULL, dest_iport[64], i_buf[PR_REG_ISID_ID_LEN]; u32 tid_len, tmp_tid_len; @@ -3315,14 +3321,14 @@ static int core_scsi3_emulate_pro_register_and_move( unsigned short rtpi; unsigned char proto_ident; - if (!(se_sess) || !(se_lun)) { - printk(KERN_ERR "SPC-3 PR: se_sess || struct se_lun is NULL!\n"); + if (!se_sess || !se_lun) { + pr_err("SPC-3 PR: se_sess || struct se_lun is NULL!\n"); return PYX_TRANSPORT_LU_COMM_FAILURE; } memset(dest_iport, 0, 64); memset(i_buf, 0, PR_REG_ISID_ID_LEN); se_tpg = se_sess->se_tpg; - tf_ops = TPG_TFO(se_tpg); + tf_ops = se_tpg->se_tpg_tfo; se_deve = &se_sess->se_node_acl->device_list[cmd->orig_fe_lun]; /* * Follow logic from spc4r17 Section 5.7.8, Table 50 -- @@ -3330,10 +3336,10 @@ static int core_scsi3_emulate_pro_register_and_move( * * Locate the existing *pr_reg via struct se_node_acl pointers */ - pr_reg = core_scsi3_locate_pr_reg(SE_DEV(cmd), se_sess->se_node_acl, + pr_reg = core_scsi3_locate_pr_reg(cmd->se_dev, se_sess->se_node_acl, se_sess); - if (!(pr_reg)) { - printk(KERN_ERR "SPC-3 PR: Unable to locate PR_REGISTERED" + if (!pr_reg) { + pr_err("SPC-3 PR: Unable to locate PR_REGISTERED" " *pr_reg for REGISTER_AND_MOVE\n"); return PYX_TRANSPORT_LU_COMM_FAILURE; } @@ -3342,7 +3348,7 @@ static int core_scsi3_emulate_pro_register_and_move( * provided during this initiator's I_T nexus registration. */ if (res_key != pr_reg->pr_res_key) { - printk(KERN_WARNING "SPC-3 PR REGISTER_AND_MOVE: Received" + pr_warn("SPC-3 PR REGISTER_AND_MOVE: Received" " res_key: 0x%016Lx does not match existing SA REGISTER" " res_key: 0x%016Lx\n", res_key, pr_reg->pr_res_key); core_scsi3_put_pr_reg(pr_reg); @@ -3351,26 +3357,30 @@ static int core_scsi3_emulate_pro_register_and_move( /* * The service active reservation key needs to be non zero */ - if (!(sa_res_key)) { - printk(KERN_WARNING "SPC-3 PR REGISTER_AND_MOVE: Received zero" + if (!sa_res_key) { + pr_warn("SPC-3 PR REGISTER_AND_MOVE: Received zero" " sa_res_key\n"); core_scsi3_put_pr_reg(pr_reg); return PYX_TRANSPORT_INVALID_PARAMETER_LIST; } + /* * Determine the Relative Target Port Identifier where the reservation * will be moved to for the TransportID containing SCSI initiator WWN * information. */ + buf = transport_kmap_first_data_page(cmd); rtpi = (buf[18] & 0xff) << 8; rtpi |= buf[19] & 0xff; tid_len = (buf[20] & 0xff) << 24; tid_len |= (buf[21] & 0xff) << 16; tid_len |= (buf[22] & 0xff) << 8; tid_len |= buf[23] & 0xff; + transport_kunmap_first_data_page(cmd); + buf = NULL; if ((tid_len + 24) != cmd->data_length) { - printk(KERN_ERR "SPC-3 PR: Illegal tid_len: %u + 24 byte header" + pr_err("SPC-3 PR: Illegal tid_len: %u + 24 byte header" " does not equal CDB data_length: %u\n", tid_len, cmd->data_length); core_scsi3_put_pr_reg(pr_reg); @@ -3382,10 +3392,10 @@ static int core_scsi3_emulate_pro_register_and_move( if (se_port->sep_rtpi != rtpi) continue; dest_se_tpg = se_port->sep_tpg; - if (!(dest_se_tpg)) + if (!dest_se_tpg) continue; - dest_tf_ops = TPG_TFO(dest_se_tpg); - if (!(dest_tf_ops)) + dest_tf_ops = dest_se_tpg->se_tpg_tfo; + if (!dest_tf_ops) continue; atomic_inc(&dest_se_tpg->tpg_pr_ref_count); @@ -3394,7 +3404,7 @@ static int core_scsi3_emulate_pro_register_and_move( ret = core_scsi3_tpg_depend_item(dest_se_tpg); if (ret != 0) { - printk(KERN_ERR "core_scsi3_tpg_depend_item() failed" + pr_err("core_scsi3_tpg_depend_item() failed" " for dest_se_tpg\n"); atomic_dec(&dest_se_tpg->tpg_pr_ref_count); smp_mb__after_atomic_dec(); @@ -3407,20 +3417,22 @@ static int core_scsi3_emulate_pro_register_and_move( } spin_unlock(&dev->se_port_lock); - if (!(dest_se_tpg) || (!dest_tf_ops)) { - printk(KERN_ERR "SPC-3 PR REGISTER_AND_MOVE: Unable to locate" + if (!dest_se_tpg || !dest_tf_ops) { + pr_err("SPC-3 PR REGISTER_AND_MOVE: Unable to locate" " fabric ops from Relative Target Port Identifier:" " %hu\n", rtpi); core_scsi3_put_pr_reg(pr_reg); return PYX_TRANSPORT_INVALID_PARAMETER_LIST; } + + buf = transport_kmap_first_data_page(cmd); proto_ident = (buf[24] & 0x0f); #if 0 - printk("SPC-3 PR REGISTER_AND_MOVE: Extracted Protocol Identifier:" + pr_debug("SPC-3 PR REGISTER_AND_MOVE: Extracted Protocol Identifier:" " 0x%02x\n", proto_ident); #endif if (proto_ident != dest_tf_ops->get_fabric_proto_ident(dest_se_tpg)) { - printk(KERN_ERR "SPC-3 PR REGISTER_AND_MOVE: Received" + pr_err("SPC-3 PR REGISTER_AND_MOVE: Received" " proto_ident: 0x%02x does not match ident: 0x%02x" " from fabric: %s\n", proto_ident, dest_tf_ops->get_fabric_proto_ident(dest_se_tpg), @@ -3429,7 +3441,7 @@ static int core_scsi3_emulate_pro_register_and_move( goto out; } if (dest_tf_ops->tpg_parse_pr_out_transport_id == NULL) { - printk(KERN_ERR "SPC-3 PR REGISTER_AND_MOVE: Fabric does not" + pr_err("SPC-3 PR REGISTER_AND_MOVE: Fabric does not" " containg a valid tpg_parse_pr_out_transport_id" " function pointer\n"); ret = PYX_TRANSPORT_LU_COMM_FAILURE; @@ -3437,14 +3449,17 @@ static int core_scsi3_emulate_pro_register_and_move( } initiator_str = dest_tf_ops->tpg_parse_pr_out_transport_id(dest_se_tpg, (const char *)&buf[24], &tmp_tid_len, &iport_ptr); - if (!(initiator_str)) { - printk(KERN_ERR "SPC-3 PR REGISTER_AND_MOVE: Unable to locate" + if (!initiator_str) { + pr_err("SPC-3 PR REGISTER_AND_MOVE: Unable to locate" " initiator_str from Transport ID\n"); ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST; goto out; } - printk(KERN_INFO "SPC-3 PR [%s] Extracted initiator %s identifier: %s" + transport_kunmap_first_data_page(cmd); + buf = NULL; + + pr_debug("SPC-3 PR [%s] Extracted initiator %s identifier: %s" " %s\n", dest_tf_ops->get_fabric_name(), (iport_ptr != NULL) ? "port" : "device", initiator_str, (iport_ptr != NULL) ? iport_ptr : ""); @@ -3459,18 +3474,18 @@ static int core_scsi3_emulate_pro_register_and_move( pr_reg_nacl = pr_reg->pr_reg_nacl; matching_iname = (!strcmp(initiator_str, pr_reg_nacl->initiatorname)) ? 1 : 0; - if (!(matching_iname)) + if (!matching_iname) goto after_iport_check; - if (!(iport_ptr) || !(pr_reg->isid_present_at_reg)) { - printk(KERN_ERR "SPC-3 PR REGISTER_AND_MOVE: TransportID: %s" + if (!iport_ptr || !pr_reg->isid_present_at_reg) { + pr_err("SPC-3 PR REGISTER_AND_MOVE: TransportID: %s" " matches: %s on received I_T Nexus\n", initiator_str, pr_reg_nacl->initiatorname); ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST; goto out; } - if (!(strcmp(iport_ptr, pr_reg->pr_reg_isid))) { - printk(KERN_ERR "SPC-3 PR REGISTER_AND_MOVE: TransportID: %s %s" + if (!strcmp(iport_ptr, pr_reg->pr_reg_isid)) { + pr_err("SPC-3 PR REGISTER_AND_MOVE: TransportID: %s %s" " matches: %s %s on received I_T Nexus\n", initiator_str, iport_ptr, pr_reg_nacl->initiatorname, pr_reg->pr_reg_isid); @@ -3490,8 +3505,8 @@ after_iport_check: } spin_unlock_bh(&dest_se_tpg->acl_node_lock); - if (!(dest_node_acl)) { - printk(KERN_ERR "Unable to locate %s dest_node_acl for" + if (!dest_node_acl) { + pr_err("Unable to locate %s dest_node_acl for" " TransportID%s\n", dest_tf_ops->get_fabric_name(), initiator_str); ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST; @@ -3499,7 +3514,7 @@ after_iport_check: } ret = core_scsi3_nodeacl_depend_item(dest_node_acl); if (ret != 0) { - printk(KERN_ERR "core_scsi3_nodeacl_depend_item() for" + pr_err("core_scsi3_nodeacl_depend_item() for" " dest_node_acl\n"); atomic_dec(&dest_node_acl->acl_pr_ref_count); smp_mb__after_atomic_dec(); @@ -3508,7 +3523,7 @@ after_iport_check: goto out; } #if 0 - printk(KERN_INFO "SPC-3 PR REGISTER_AND_MOVE: Found %s dest_node_acl:" + pr_debug("SPC-3 PR REGISTER_AND_MOVE: Found %s dest_node_acl:" " %s from TransportID\n", dest_tf_ops->get_fabric_name(), dest_node_acl->initiatorname); #endif @@ -3517,8 +3532,8 @@ after_iport_check: * PORT IDENTIFIER. */ dest_se_deve = core_get_se_deve_from_rtpi(dest_node_acl, rtpi); - if (!(dest_se_deve)) { - printk(KERN_ERR "Unable to locate %s dest_se_deve from RTPI:" + if (!dest_se_deve) { + pr_err("Unable to locate %s dest_se_deve from RTPI:" " %hu\n", dest_tf_ops->get_fabric_name(), rtpi); ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST; goto out; @@ -3526,7 +3541,7 @@ after_iport_check: ret = core_scsi3_lunacl_depend_item(dest_se_deve); if (ret < 0) { - printk(KERN_ERR "core_scsi3_lunacl_depend_item() failed\n"); + pr_err("core_scsi3_lunacl_depend_item() failed\n"); atomic_dec(&dest_se_deve->pr_ref_count); smp_mb__after_atomic_dec(); dest_se_deve = NULL; @@ -3534,7 +3549,7 @@ after_iport_check: goto out; } #if 0 - printk(KERN_INFO "SPC-3 PR REGISTER_AND_MOVE: Located %s node %s LUN" + pr_debug("SPC-3 PR REGISTER_AND_MOVE: Located %s node %s LUN" " ACL for dest_se_deve->mapped_lun: %u\n", dest_tf_ops->get_fabric_name(), dest_node_acl->initiatorname, dest_se_deve->mapped_lun); @@ -3545,8 +3560,8 @@ after_iport_check: */ spin_lock(&dev->dev_reservation_lock); pr_res_holder = dev->dev_pr_res_holder; - if (!(pr_res_holder)) { - printk(KERN_WARNING "SPC-3 PR REGISTER_AND_MOVE: No reservation" + if (!pr_res_holder) { + pr_warn("SPC-3 PR REGISTER_AND_MOVE: No reservation" " currently held\n"); spin_unlock(&dev->dev_reservation_lock); ret = PYX_TRANSPORT_INVALID_CDB_FIELD; @@ -3559,7 +3574,7 @@ after_iport_check: * Register behaviors for a REGISTER AND MOVE service action */ if (pr_res_holder != pr_reg) { - printk(KERN_WARNING "SPC-3 PR REGISTER_AND_MOVE: Calling I_T" + pr_warn("SPC-3 PR REGISTER_AND_MOVE: Calling I_T" " Nexus is not reservation holder\n"); spin_unlock(&dev->dev_reservation_lock); ret = PYX_TRANSPORT_RESERVATION_CONFLICT; @@ -3576,7 +3591,7 @@ after_iport_check: */ if ((pr_res_holder->pr_res_type == PR_TYPE_WRITE_EXCLUSIVE_ALLREG) || (pr_res_holder->pr_res_type == PR_TYPE_EXCLUSIVE_ACCESS_ALLREG)) { - printk(KERN_WARNING "SPC-3 PR REGISTER_AND_MOVE: Unable to move" + pr_warn("SPC-3 PR REGISTER_AND_MOVE: Unable to move" " reservation for type: %s\n", core_scsi3_pr_dump_type(pr_res_holder->pr_res_type)); spin_unlock(&dev->dev_reservation_lock); @@ -3611,8 +3626,8 @@ after_iport_check: */ dest_pr_reg = __core_scsi3_locate_pr_reg(dev, dest_node_acl, iport_ptr); - if (!(dest_pr_reg)) { - ret = core_scsi3_alloc_registration(SE_DEV(cmd), + if (!dest_pr_reg) { + ret = core_scsi3_alloc_registration(cmd->se_dev, dest_node_acl, dest_se_deve, iport_ptr, sa_res_key, 0, aptpl, 2, 1); if (ret != 0) { @@ -3644,16 +3659,16 @@ after_iport_check: /* * Increment PRGeneration for existing registrations.. */ - if (!(new_reg)) + if (!new_reg) dest_pr_reg->pr_res_generation = pr_tmpl->pr_generation++; spin_unlock(&dev->dev_reservation_lock); - printk(KERN_INFO "SPC-3 PR [%s] Service Action: REGISTER_AND_MOVE" + pr_debug("SPC-3 PR [%s] Service Action: REGISTER_AND_MOVE" " created new reservation holder TYPE: %s on object RTPI:" " %hu PRGeneration: 0x%08x\n", dest_tf_ops->get_fabric_name(), core_scsi3_pr_dump_type(type), rtpi, dest_pr_reg->pr_res_generation); - printk(KERN_INFO "SPC-3 PR Successfully moved reservation from" + pr_debug("SPC-3 PR Successfully moved reservation from" " %s Fabric Node: %s%s -> %s Fabric Node: %s %s\n", tf_ops->get_fabric_name(), pr_reg_nacl->initiatorname, (prf_isid) ? &i_buf[0] : "", dest_tf_ops->get_fabric_name(), @@ -3681,24 +3696,28 @@ after_iport_check: * Clear the APTPL metadata if APTPL has been disabled, otherwise * write out the updated metadata to struct file for this SCSI device. */ - if (!(aptpl)) { + if (!aptpl) { pr_tmpl->pr_aptpl_active = 0; - core_scsi3_update_and_write_aptpl(SE_DEV(cmd), NULL, 0); - printk("SPC-3 PR: Set APTPL Bit Deactivated for" + core_scsi3_update_and_write_aptpl(cmd->se_dev, NULL, 0); + pr_debug("SPC-3 PR: Set APTPL Bit Deactivated for" " REGISTER_AND_MOVE\n"); } else { pr_tmpl->pr_aptpl_active = 1; - ret = core_scsi3_update_and_write_aptpl(SE_DEV(cmd), + ret = core_scsi3_update_and_write_aptpl(cmd->se_dev, &dest_pr_reg->pr_aptpl_buf[0], pr_tmpl->pr_aptpl_buf_len); - if (!(ret)) - printk("SPC-3 PR: Set APTPL Bit Activated for" + if (!ret) + pr_debug("SPC-3 PR: Set APTPL Bit Activated for" " REGISTER_AND_MOVE\n"); } + transport_kunmap_first_data_page(cmd); + core_scsi3_put_pr_reg(dest_pr_reg); return 0; out: + if (buf) + transport_kunmap_first_data_page(cmd); if (dest_se_deve) core_scsi3_lunacl_undepend_item(dest_se_deve); if (dest_node_acl) @@ -3723,7 +3742,7 @@ static unsigned long long core_scsi3_extract_reservation_key(unsigned char *cdb) */ static int core_scsi3_emulate_pr_out(struct se_cmd *cmd, unsigned char *cdb) { - unsigned char *buf = (unsigned char *)T_TASK(cmd)->t_task_buf; + unsigned char *buf; u64 res_key, sa_res_key; int sa, scope, type, aptpl; int spec_i_pt = 0, all_tg_pt = 0, unreg = 0; @@ -3731,11 +3750,11 @@ static int core_scsi3_emulate_pr_out(struct se_cmd *cmd, unsigned char *cdb) * FIXME: A NULL struct se_session pointer means an this is not coming from * a $FABRIC_MOD's nexus, but from internal passthrough ops. */ - if (!(SE_SESS(cmd))) + if (!cmd->se_sess) return PYX_TRANSPORT_LU_COMM_FAILURE; if (cmd->data_length < 24) { - printk(KERN_WARNING "SPC-PR: Received PR OUT parameter list" + pr_warn("SPC-PR: Received PR OUT parameter list" " length too small: %u\n", cmd->data_length); return PYX_TRANSPORT_INVALID_PARAMETER_LIST; } @@ -3745,6 +3764,8 @@ static int core_scsi3_emulate_pr_out(struct se_cmd *cmd, unsigned char *cdb) sa = (cdb[1] & 0x1f); scope = (cdb[2] & 0xf0); type = (cdb[2] & 0x0f); + + buf = transport_kmap_first_data_page(cmd); /* * From PERSISTENT_RESERVE_OUT parameter list (payload) */ @@ -3762,6 +3783,9 @@ static int core_scsi3_emulate_pr_out(struct se_cmd *cmd, unsigned char *cdb) aptpl = (buf[17] & 0x01); unreg = (buf[17] & 0x02); } + transport_kunmap_first_data_page(cmd); + buf = NULL; + /* * SPEC_I_PT=1 is only valid for Service action: REGISTER */ @@ -3776,9 +3800,9 @@ static int core_scsi3_emulate_pr_out(struct se_cmd *cmd, unsigned char *cdb) * the sense key set to ILLEGAL REQUEST, and the additional sense * code set to PARAMETER LIST LENGTH ERROR. */ - if (!(spec_i_pt) && ((cdb[1] & 0x1f) != PRO_REGISTER_AND_MOVE) && + if (!spec_i_pt && ((cdb[1] & 0x1f) != PRO_REGISTER_AND_MOVE) && (cmd->data_length != 24)) { - printk(KERN_WARNING "SPC-PR: Received PR OUT illegal parameter" + pr_warn("SPC-PR: Received PR OUT illegal parameter" " list length: %u\n", cmd->data_length); return PYX_TRANSPORT_INVALID_PARAMETER_LIST; } @@ -3812,7 +3836,7 @@ static int core_scsi3_emulate_pr_out(struct se_cmd *cmd, unsigned char *cdb) return core_scsi3_emulate_pro_register_and_move(cmd, res_key, sa_res_key, aptpl, unreg); default: - printk(KERN_ERR "Unknown PERSISTENT_RESERVE_OUT service" + pr_err("Unknown PERSISTENT_RESERVE_OUT service" " action: 0x%02x\n", cdb[1] & 0x1f); return PYX_TRANSPORT_INVALID_CDB_FIELD; } @@ -3827,25 +3851,26 @@ static int core_scsi3_emulate_pr_out(struct se_cmd *cmd, unsigned char *cdb) */ static int core_scsi3_pri_read_keys(struct se_cmd *cmd) { - struct se_device *se_dev = SE_DEV(cmd); - struct se_subsystem_dev *su_dev = SU_DEV(se_dev); + struct se_device *se_dev = cmd->se_dev; + struct se_subsystem_dev *su_dev = se_dev->se_sub_dev; struct t10_pr_registration *pr_reg; - unsigned char *buf = (unsigned char *)T_TASK(cmd)->t_task_buf; + unsigned char *buf; u32 add_len = 0, off = 8; if (cmd->data_length < 8) { - printk(KERN_ERR "PRIN SA READ_KEYS SCSI Data Length: %u" + pr_err("PRIN SA READ_KEYS SCSI Data Length: %u" " too small\n", cmd->data_length); return PYX_TRANSPORT_INVALID_CDB_FIELD; } - buf[0] = ((T10_RES(su_dev)->pr_generation >> 24) & 0xff); - buf[1] = ((T10_RES(su_dev)->pr_generation >> 16) & 0xff); - buf[2] = ((T10_RES(su_dev)->pr_generation >> 8) & 0xff); - buf[3] = (T10_RES(su_dev)->pr_generation & 0xff); + buf = transport_kmap_first_data_page(cmd); + buf[0] = ((su_dev->t10_pr.pr_generation >> 24) & 0xff); + buf[1] = ((su_dev->t10_pr.pr_generation >> 16) & 0xff); + buf[2] = ((su_dev->t10_pr.pr_generation >> 8) & 0xff); + buf[3] = (su_dev->t10_pr.pr_generation & 0xff); - spin_lock(&T10_RES(su_dev)->registration_lock); - list_for_each_entry(pr_reg, &T10_RES(su_dev)->registration_list, + spin_lock(&su_dev->t10_pr.registration_lock); + list_for_each_entry(pr_reg, &su_dev->t10_pr.registration_list, pr_reg_list) { /* * Check for overflow of 8byte PRI READ_KEYS payload and @@ -3865,13 +3890,15 @@ static int core_scsi3_pri_read_keys(struct se_cmd *cmd) add_len += 8; } - spin_unlock(&T10_RES(su_dev)->registration_lock); + spin_unlock(&su_dev->t10_pr.registration_lock); buf[4] = ((add_len >> 24) & 0xff); buf[5] = ((add_len >> 16) & 0xff); buf[6] = ((add_len >> 8) & 0xff); buf[7] = (add_len & 0xff); + transport_kunmap_first_data_page(cmd); + return 0; } @@ -3882,23 +3909,24 @@ static int core_scsi3_pri_read_keys(struct se_cmd *cmd) */ static int core_scsi3_pri_read_reservation(struct se_cmd *cmd) { - struct se_device *se_dev = SE_DEV(cmd); - struct se_subsystem_dev *su_dev = SU_DEV(se_dev); + struct se_device *se_dev = cmd->se_dev; + struct se_subsystem_dev *su_dev = se_dev->se_sub_dev; struct t10_pr_registration *pr_reg; - unsigned char *buf = (unsigned char *)T_TASK(cmd)->t_task_buf; + unsigned char *buf; u64 pr_res_key; u32 add_len = 16; /* Hardcoded to 16 when a reservation is held. */ if (cmd->data_length < 8) { - printk(KERN_ERR "PRIN SA READ_RESERVATIONS SCSI Data Length: %u" + pr_err("PRIN SA READ_RESERVATIONS SCSI Data Length: %u" " too small\n", cmd->data_length); return PYX_TRANSPORT_INVALID_CDB_FIELD; } - buf[0] = ((T10_RES(su_dev)->pr_generation >> 24) & 0xff); - buf[1] = ((T10_RES(su_dev)->pr_generation >> 16) & 0xff); - buf[2] = ((T10_RES(su_dev)->pr_generation >> 8) & 0xff); - buf[3] = (T10_RES(su_dev)->pr_generation & 0xff); + buf = transport_kmap_first_data_page(cmd); + buf[0] = ((su_dev->t10_pr.pr_generation >> 24) & 0xff); + buf[1] = ((su_dev->t10_pr.pr_generation >> 16) & 0xff); + buf[2] = ((su_dev->t10_pr.pr_generation >> 8) & 0xff); + buf[3] = (su_dev->t10_pr.pr_generation & 0xff); spin_lock(&se_dev->dev_reservation_lock); pr_reg = se_dev->dev_pr_res_holder; @@ -3911,10 +3939,9 @@ static int core_scsi3_pri_read_reservation(struct se_cmd *cmd) buf[6] = ((add_len >> 8) & 0xff); buf[7] = (add_len & 0xff); - if (cmd->data_length < 22) { - spin_unlock(&se_dev->dev_reservation_lock); - return 0; - } + if (cmd->data_length < 22) + goto err; + /* * Set the Reservation key. * @@ -3951,7 +3978,10 @@ static int core_scsi3_pri_read_reservation(struct se_cmd *cmd) buf[21] = (pr_reg->pr_res_scope & 0xf0) | (pr_reg->pr_res_type & 0x0f); } + +err: spin_unlock(&se_dev->dev_reservation_lock); + transport_kunmap_first_data_page(cmd); return 0; } @@ -3963,17 +3993,19 @@ static int core_scsi3_pri_read_reservation(struct se_cmd *cmd) */ static int core_scsi3_pri_report_capabilities(struct se_cmd *cmd) { - struct se_device *dev = SE_DEV(cmd); - struct t10_reservation_template *pr_tmpl = &SU_DEV(dev)->t10_reservation; - unsigned char *buf = (unsigned char *)T_TASK(cmd)->t_task_buf; + struct se_device *dev = cmd->se_dev; + struct t10_reservation *pr_tmpl = &dev->se_sub_dev->t10_pr; + unsigned char *buf; u16 add_len = 8; /* Hardcoded to 8. */ if (cmd->data_length < 6) { - printk(KERN_ERR "PRIN SA REPORT_CAPABILITIES SCSI Data Length:" + pr_err("PRIN SA REPORT_CAPABILITIES SCSI Data Length:" " %u too small\n", cmd->data_length); return PYX_TRANSPORT_INVALID_CDB_FIELD; } + buf = transport_kmap_first_data_page(cmd); + buf[0] = ((add_len << 8) & 0xff); buf[1] = (add_len & 0xff); buf[2] |= 0x10; /* CRH: Compatible Reservation Hanlding bit. */ @@ -4004,6 +4036,8 @@ static int core_scsi3_pri_report_capabilities(struct se_cmd *cmd) buf[4] |= 0x02; /* PR_TYPE_WRITE_EXCLUSIVE */ buf[5] |= 0x01; /* PR_TYPE_EXCLUSIVE_ACCESS_ALLREG */ + transport_kunmap_first_data_page(cmd); + return 0; } @@ -4014,27 +4048,29 @@ static int core_scsi3_pri_report_capabilities(struct se_cmd *cmd) */ static int core_scsi3_pri_read_full_status(struct se_cmd *cmd) { - struct se_device *se_dev = SE_DEV(cmd); + struct se_device *se_dev = cmd->se_dev; struct se_node_acl *se_nacl; - struct se_subsystem_dev *su_dev = SU_DEV(se_dev); + struct se_subsystem_dev *su_dev = se_dev->se_sub_dev; struct se_portal_group *se_tpg; struct t10_pr_registration *pr_reg, *pr_reg_tmp; - struct t10_reservation_template *pr_tmpl = &SU_DEV(se_dev)->t10_reservation; - unsigned char *buf = (unsigned char *)T_TASK(cmd)->t_task_buf; + struct t10_reservation *pr_tmpl = &se_dev->se_sub_dev->t10_pr; + unsigned char *buf; u32 add_desc_len = 0, add_len = 0, desc_len, exp_desc_len; u32 off = 8; /* off into first Full Status descriptor */ int format_code = 0; if (cmd->data_length < 8) { - printk(KERN_ERR "PRIN SA READ_FULL_STATUS SCSI Data Length: %u" + pr_err("PRIN SA READ_FULL_STATUS SCSI Data Length: %u" " too small\n", cmd->data_length); return PYX_TRANSPORT_INVALID_CDB_FIELD; } - buf[0] = ((T10_RES(su_dev)->pr_generation >> 24) & 0xff); - buf[1] = ((T10_RES(su_dev)->pr_generation >> 16) & 0xff); - buf[2] = ((T10_RES(su_dev)->pr_generation >> 8) & 0xff); - buf[3] = (T10_RES(su_dev)->pr_generation & 0xff); + buf = transport_kmap_first_data_page(cmd); + + buf[0] = ((su_dev->t10_pr.pr_generation >> 24) & 0xff); + buf[1] = ((su_dev->t10_pr.pr_generation >> 16) & 0xff); + buf[2] = ((su_dev->t10_pr.pr_generation >> 8) & 0xff); + buf[3] = (su_dev->t10_pr.pr_generation & 0xff); spin_lock(&pr_tmpl->registration_lock); list_for_each_entry_safe(pr_reg, pr_reg_tmp, @@ -4051,11 +4087,11 @@ static int core_scsi3_pri_read_full_status(struct se_cmd *cmd) * Determine expected length of $FABRIC_MOD specific * TransportID full status descriptor.. */ - exp_desc_len = TPG_TFO(se_tpg)->tpg_get_pr_transport_id_len( + exp_desc_len = se_tpg->se_tpg_tfo->tpg_get_pr_transport_id_len( se_tpg, se_nacl, pr_reg, &format_code); if ((exp_desc_len + add_len) > cmd->data_length) { - printk(KERN_WARNING "SPC-3 PRIN READ_FULL_STATUS ran" + pr_warn("SPC-3 PRIN READ_FULL_STATUS ran" " out of buffer: %d\n", cmd->data_length); spin_lock(&pr_tmpl->registration_lock); atomic_dec(&pr_reg->pr_res_holders); @@ -4105,7 +4141,7 @@ static int core_scsi3_pri_read_full_status(struct se_cmd *cmd) * bit is set to one, the contents of the RELATIVE TARGET PORT * IDENTIFIER field are not defined by this standard. */ - if (!(pr_reg->pr_reg_all_tg_pt)) { + if (!pr_reg->pr_reg_all_tg_pt) { struct se_port *port = pr_reg->pr_reg_tg_pt_lun->lun_sep; buf[off++] = ((port->sep_rtpi >> 8) & 0xff); @@ -4116,7 +4152,7 @@ static int core_scsi3_pri_read_full_status(struct se_cmd *cmd) /* * Now, have the $FABRIC_MOD fill in the protocol identifier */ - desc_len = TPG_TFO(se_tpg)->tpg_get_pr_transport_id(se_tpg, + desc_len = se_tpg->se_tpg_tfo->tpg_get_pr_transport_id(se_tpg, se_nacl, pr_reg, &format_code, &buf[off+4]); spin_lock(&pr_tmpl->registration_lock); @@ -4150,6 +4186,8 @@ static int core_scsi3_pri_read_full_status(struct se_cmd *cmd) buf[6] = ((add_len >> 8) & 0xff); buf[7] = (add_len & 0xff); + transport_kunmap_first_data_page(cmd); + return 0; } @@ -4165,7 +4203,7 @@ static int core_scsi3_emulate_pr_in(struct se_cmd *cmd, unsigned char *cdb) case PRI_READ_FULL_STATUS: return core_scsi3_pri_read_full_status(cmd); default: - printk(KERN_ERR "Unknown PERSISTENT_RESERVE_IN service" + pr_err("Unknown PERSISTENT_RESERVE_IN service" " action: 0x%02x\n", cdb[1] & 0x1f); return PYX_TRANSPORT_INVALID_CDB_FIELD; } @@ -4174,7 +4212,7 @@ static int core_scsi3_emulate_pr_in(struct se_cmd *cmd, unsigned char *cdb) int core_scsi3_emulate_pr(struct se_cmd *cmd) { - unsigned char *cdb = &T_TASK(cmd)->t_task_cdb[0]; + unsigned char *cdb = &cmd->t_task_cdb[0]; struct se_device *dev = cmd->se_dev; /* * Following spc2r20 5.5.1 Reservations overview: @@ -4186,7 +4224,7 @@ int core_scsi3_emulate_pr(struct se_cmd *cmd) * CONFLICT status. */ if (dev->dev_flags & DF_SPC2_RESERVATIONS) { - printk(KERN_ERR "Received PERSISTENT_RESERVE CDB while legacy" + pr_err("Received PERSISTENT_RESERVE CDB while legacy" " SPC-2 reservation is held, returning" " RESERVATION_CONFLICT\n"); return PYX_TRANSPORT_RESERVATION_CONFLICT; @@ -4213,39 +4251,39 @@ static int core_pt_seq_non_holder( int core_setup_reservations(struct se_device *dev, int force_pt) { struct se_subsystem_dev *su_dev = dev->se_sub_dev; - struct t10_reservation_template *rest = &su_dev->t10_reservation; + struct t10_reservation *rest = &su_dev->t10_pr; /* * If this device is from Target_Core_Mod/pSCSI, use the reservations * of the Underlying SCSI hardware. In Linux/SCSI terms, this can * cause a problem because libata and some SATA RAID HBAs appear * under Linux/SCSI, but to emulate reservations themselves. */ - if (((TRANSPORT(dev)->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV) && - !(DEV_ATTRIB(dev)->emulate_reservations)) || force_pt) { + if (((dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV) && + !(dev->se_sub_dev->se_dev_attrib.emulate_reservations)) || force_pt) { rest->res_type = SPC_PASSTHROUGH; rest->pr_ops.t10_reservation_check = &core_pt_reservation_check; rest->pr_ops.t10_seq_non_holder = &core_pt_seq_non_holder; - printk(KERN_INFO "%s: Using SPC_PASSTHROUGH, no reservation" - " emulation\n", TRANSPORT(dev)->name); + pr_debug("%s: Using SPC_PASSTHROUGH, no reservation" + " emulation\n", dev->transport->name); return 0; } /* * If SPC-3 or above is reported by real or emulated struct se_device, * use emulated Persistent Reservations. */ - if (TRANSPORT(dev)->get_device_rev(dev) >= SCSI_3) { + if (dev->transport->get_device_rev(dev) >= SCSI_3) { rest->res_type = SPC3_PERSISTENT_RESERVATIONS; rest->pr_ops.t10_reservation_check = &core_scsi3_pr_reservation_check; rest->pr_ops.t10_seq_non_holder = &core_scsi3_pr_seq_non_holder; - printk(KERN_INFO "%s: Using SPC3_PERSISTENT_RESERVATIONS" - " emulation\n", TRANSPORT(dev)->name); + pr_debug("%s: Using SPC3_PERSISTENT_RESERVATIONS" + " emulation\n", dev->transport->name); } else { rest->res_type = SPC2_RESERVATIONS; rest->pr_ops.t10_reservation_check = &core_scsi2_reservation_check; rest->pr_ops.t10_seq_non_holder = &core_scsi2_reservation_seq_non_holder; - printk(KERN_INFO "%s: Using SPC2_RESERVATIONS emulation\n", - TRANSPORT(dev)->name); + pr_debug("%s: Using SPC2_RESERVATIONS emulation\n", + dev->transport->name); } return 0; |