diff options
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_edif.c')
-rw-r--r-- | drivers/scsi/qla2xxx/qla_edif.c | 585 |
1 files changed, 388 insertions, 197 deletions
diff --git a/drivers/scsi/qla2xxx/qla_edif.c b/drivers/scsi/qla2xxx/qla_edif.c index cb8145a9ac09..400a8b6f3982 100644 --- a/drivers/scsi/qla2xxx/qla_edif.c +++ b/drivers/scsi/qla2xxx/qla_edif.c @@ -52,6 +52,31 @@ const char *sc_to_str(uint16_t cmd) return "unknown"; } +static struct edb_node *qla_edb_getnext(scsi_qla_host_t *vha) +{ + unsigned long flags; + struct edb_node *edbnode = NULL; + + spin_lock_irqsave(&vha->e_dbell.db_lock, flags); + + /* db nodes are fifo - no qualifications done */ + if (!list_empty(&vha->e_dbell.head)) { + edbnode = list_first_entry(&vha->e_dbell.head, + struct edb_node, list); + list_del_init(&edbnode->list); + } + + spin_unlock_irqrestore(&vha->e_dbell.db_lock, flags); + + return edbnode; +} + +static void qla_edb_node_free(scsi_qla_host_t *vha, struct edb_node *node) +{ + list_del_init(&node->list); + kfree(node); +} + static struct edif_list_entry *qla_edif_list_find_sa_index(fc_port_t *fcport, uint16_t handle) { @@ -257,14 +282,8 @@ qla2x00_find_fcport_by_pid(scsi_qla_host_t *vha, port_id_t *id) f = NULL; list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) { - if ((f->flags & FCF_FCSP_DEVICE)) { - ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x2058, - "Found secure fcport - nn %8phN pn %8phN portid=0x%x, 0x%x.\n", - f->node_name, f->port_name, - f->d_id.b24, id->b24); - if (f->d_id.b24 == id->b24) - return f; - } + if (f->d_id.b24 == id->b24) + return f; } return NULL; } @@ -280,14 +299,19 @@ qla_edif_app_check(scsi_qla_host_t *vha, struct app_id appid) { /* check that the app is allow/known to the driver */ - if (appid.app_vid == EDIF_APP_ID) { - ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x911d, "%s app id ok\n", __func__); - return true; + if (appid.app_vid != EDIF_APP_ID) { + ql_dbg(ql_dbg_edif, vha, 0x911d, "%s app id not ok (%x)", + __func__, appid.app_vid); + return false; + } + + if (appid.version != EDIF_VERSION1) { + ql_dbg(ql_dbg_edif, vha, 0x911d, "%s app version is not ok (%x)", + __func__, appid.version); + return false; } - ql_dbg(ql_dbg_edif, vha, 0x911d, "%s app id not ok (%x)", - __func__, appid.app_vid); - return false; + return true; } static void @@ -486,16 +510,35 @@ qla_edif_app_start(scsi_qla_host_t *vha, struct bsg_job *bsg_job) /* mark doorbell as active since an app is now present */ vha->e_dbell.db_flags |= EDB_ACTIVE; } else { - ql_dbg(ql_dbg_edif, vha, 0x911e, "%s doorbell already active\n", - __func__); + goto out; } if (N2N_TOPO(vha->hw)) { - if (vha->hw->flags.n2n_fw_acc_sec) - set_bit(N2N_LINK_RESET, &vha->dpc_flags); - else + list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) + fcport->n2n_link_reset_cnt = 0; + + if (vha->hw->flags.n2n_fw_acc_sec) { + list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) + qla_edif_sa_ctl_init(vha, fcport); + + /* + * While authentication app was not running, remote device + * could still try to login with this local port. Let's + * clear the state and try again. + */ + qla2x00_wait_for_sess_deletion(vha); + + /* bounce the link to get the other guy to relogin */ + if (!vha->hw->flags.n2n_bigger) { + set_bit(N2N_LINK_RESET, &vha->dpc_flags); + qla2xxx_wake_dpc(vha); + } + } else { + qla2x00_wait_for_hba_online(vha); set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); - qla2xxx_wake_dpc(vha); + qla2xxx_wake_dpc(vha); + qla2x00_wait_for_hba_online(vha); + } } else { list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) { ql_dbg(ql_dbg_edif, vha, 0x2058, @@ -517,19 +560,31 @@ qla_edif_app_start(scsi_qla_host_t *vha, struct bsg_job *bsg_job) if (atomic_read(&vha->loop_state) == LOOP_DOWN) break; - fcport->edif.app_started = 1; fcport->login_retry = vha->hw->login_retry_count; - /* no activity */ fcport->edif.app_stop = 0; + fcport->edif.app_sess_online = 0; + + if (fcport->scan_state != QLA_FCPORT_FOUND) + continue; + + if (fcport->port_type == FCT_UNKNOWN && + !fcport->fc4_features) + rval = qla24xx_async_gffid(vha, fcport, true); + + if (!rval && !(fcport->fc4_features & FC4_FF_TARGET || + fcport->port_type & (FCT_TARGET|FCT_NVME_TARGET))) + continue; + + rval = 0; ql_dbg(ql_dbg_edif, vha, 0x911e, "%s wwpn %8phC calling qla_edif_reset_auth_wait\n", __func__, fcport->port_name); - fcport->edif.app_sess_online = 0; qlt_schedule_sess_for_deletion(fcport); qla_edif_sa_ctl_init(vha, fcport); } + set_bit(RELOGIN_NEEDED, &vha->dpc_flags); } if (vha->pur_cinfo.enode_flags != ENODE_ACTIVE) { @@ -540,9 +595,11 @@ qla_edif_app_start(scsi_qla_host_t *vha, struct bsg_job *bsg_job) __func__); } +out: appreply.host_support_edif = vha->hw->flags.edif_enabled; appreply.edif_enode_active = vha->pur_cinfo.enode_flags; appreply.edif_edb_active = vha->e_dbell.db_flags; + appreply.version = EDIF_VERSION1; bsg_job->reply_len = sizeof(struct fc_bsg_reply); @@ -610,9 +667,6 @@ qla_edif_app_stop(scsi_qla_host_t *vha, struct bsg_job *bsg_job) fcport->send_els_logo = 1; qlt_schedule_sess_for_deletion(fcport); - - /* qla_edif_flush_sa_ctl_lists(fcport); */ - fcport->edif.app_started = 0; } } @@ -672,6 +726,7 @@ qla_edif_app_authok(scsi_qla_host_t *vha, struct bsg_job *bsg_job) portid.b.area = appplogiok.u.d_id.b.area; portid.b.al_pa = appplogiok.u.d_id.b.al_pa; + appplogireply.version = EDIF_VERSION1; switch (appplogiok.type) { case PL_TYPE_WWPN: fcport = qla2x00_find_fcport_by_wwpn(vha, @@ -864,6 +919,8 @@ qla_edif_app_getfcinfo(scsi_qla_host_t *vha, struct bsg_job *bsg_job) } else { struct fc_port *fcport = NULL, *tf; + app_reply->version = EDIF_VERSION1; + list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) { if (!(fcport->flags & FCF_FCSP_DEVICE)) continue; @@ -880,9 +937,25 @@ qla_edif_app_getfcinfo(scsi_qla_host_t *vha, struct bsg_job *bsg_job) if (tdid.b24 != 0 && tdid.b24 != fcport->d_id.b24) continue; - app_reply->ports[pcnt].rekey_count = - fcport->edif.rekey_cnt; + if (!N2N_TOPO(vha->hw)) { + if (fcport->scan_state != QLA_FCPORT_FOUND) + continue; + + if (fcport->port_type == FCT_UNKNOWN && + !fcport->fc4_features) + rval = qla24xx_async_gffid(vha, fcport, + true); + if (!rval && + !(fcport->fc4_features & FC4_FF_TARGET || + fcport->port_type & + (FCT_TARGET | FCT_NVME_TARGET))) + continue; + } + + rval = 0; + + app_reply->ports[pcnt].version = EDIF_VERSION1; app_reply->ports[pcnt].remote_type = VND_CMD_RTYPE_UNKNOWN; if (fcport->port_type & (FCT_NVME_TARGET | FCT_TARGET)) @@ -979,6 +1052,8 @@ qla_edif_app_getstats(scsi_qla_host_t *vha, struct bsg_job *bsg_job) } else { struct fc_port *fcport = NULL, *tf; + app_reply->version = EDIF_VERSION1; + list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) { if (fcport->edif.enable) { if (pcnt > app_req.num_ports) @@ -1012,6 +1087,164 @@ qla_edif_app_getstats(scsi_qla_host_t *vha, struct bsg_job *bsg_job) return rval; } +static int32_t +qla_edif_ack(scsi_qla_host_t *vha, struct bsg_job *bsg_job) +{ + struct fc_port *fcport; + struct aen_complete_cmd ack; + struct fc_bsg_reply *bsg_reply = bsg_job->reply; + + sg_copy_to_buffer(bsg_job->request_payload.sg_list, + bsg_job->request_payload.sg_cnt, &ack, sizeof(ack)); + + ql_dbg(ql_dbg_edif, vha, 0x70cf, + "%s: %06x event_code %x\n", + __func__, ack.port_id.b24, ack.event_code); + + fcport = qla2x00_find_fcport_by_pid(vha, &ack.port_id); + SET_DID_STATUS(bsg_reply->result, DID_OK); + + if (!fcport) { + ql_dbg(ql_dbg_edif, vha, 0x70cf, + "%s: unable to find fcport %06x \n", + __func__, ack.port_id.b24); + return 0; + } + + switch (ack.event_code) { + case VND_CMD_AUTH_STATE_SESSION_SHUTDOWN: + fcport->edif.sess_down_acked = 1; + break; + default: + break; + } + return 0; +} + +static int qla_edif_consume_dbell(scsi_qla_host_t *vha, struct bsg_job *bsg_job) +{ + struct fc_bsg_reply *bsg_reply = bsg_job->reply; + u32 sg_skip, reply_payload_len; + bool keep; + struct edb_node *dbnode = NULL; + struct edif_app_dbell ap; + int dat_size = 0; + + sg_skip = 0; + reply_payload_len = bsg_job->reply_payload.payload_len; + + while ((reply_payload_len - sg_skip) >= sizeof(struct edb_node)) { + dbnode = qla_edb_getnext(vha); + if (dbnode) { + keep = true; + dat_size = 0; + ap.event_code = dbnode->ntype; + switch (dbnode->ntype) { + case VND_CMD_AUTH_STATE_SESSION_SHUTDOWN: + case VND_CMD_AUTH_STATE_NEEDED: + ap.port_id = dbnode->u.plogi_did; + dat_size += sizeof(ap.port_id); + break; + case VND_CMD_AUTH_STATE_ELS_RCVD: + ap.port_id = dbnode->u.els_sid; + dat_size += sizeof(ap.port_id); + break; + case VND_CMD_AUTH_STATE_SAUPDATE_COMPL: + ap.port_id = dbnode->u.sa_aen.port_id; + memcpy(&ap.event_data, &dbnode->u, + sizeof(struct edif_sa_update_aen)); + dat_size += sizeof(struct edif_sa_update_aen); + break; + default: + keep = false; + ql_log(ql_log_warn, vha, 0x09102, + "%s unknown DB type=%d %p\n", + __func__, dbnode->ntype, dbnode); + break; + } + ap.event_data_size = dat_size; + /* 8 = sizeof(ap.event_code + ap.event_data_size) */ + dat_size += 8; + if (keep) + sg_skip += sg_copy_buffer(bsg_job->reply_payload.sg_list, + bsg_job->reply_payload.sg_cnt, + &ap, dat_size, sg_skip, false); + + ql_dbg(ql_dbg_edif, vha, 0x09102, + "%s Doorbell consumed : type=%d %p\n", + __func__, dbnode->ntype, dbnode); + + kfree(dbnode); + } else { + break; + } + } + + SET_DID_STATUS(bsg_reply->result, DID_OK); + bsg_reply->reply_payload_rcv_len = sg_skip; + bsg_job->reply_len = sizeof(struct fc_bsg_reply); + + return 0; +} + +static void __qla_edif_dbell_bsg_done(scsi_qla_host_t *vha, struct bsg_job *bsg_job, + u32 delay) +{ + struct fc_bsg_reply *bsg_reply = bsg_job->reply; + + /* small sleep for doorbell events to accumulate */ + if (delay) + msleep(delay); + + qla_edif_consume_dbell(vha, bsg_job); + + bsg_job_done(bsg_job, bsg_reply->result, bsg_reply->reply_payload_rcv_len); +} + +static void qla_edif_dbell_bsg_done(scsi_qla_host_t *vha) +{ + unsigned long flags; + struct bsg_job *prev_bsg_job = NULL; + + spin_lock_irqsave(&vha->e_dbell.db_lock, flags); + if (vha->e_dbell.dbell_bsg_job) { + prev_bsg_job = vha->e_dbell.dbell_bsg_job; + vha->e_dbell.dbell_bsg_job = NULL; + } + spin_unlock_irqrestore(&vha->e_dbell.db_lock, flags); + + if (prev_bsg_job) + __qla_edif_dbell_bsg_done(vha, prev_bsg_job, 0); +} + +static int +qla_edif_dbell_bsg(scsi_qla_host_t *vha, struct bsg_job *bsg_job) +{ + unsigned long flags; + bool return_bsg = false; + + /* flush previous dbell bsg */ + qla_edif_dbell_bsg_done(vha); + + spin_lock_irqsave(&vha->e_dbell.db_lock, flags); + if (list_empty(&vha->e_dbell.head) && DBELL_ACTIVE(vha)) { + /* + * when the next db event happens, bsg_job will return. + * Otherwise, timer will return it. + */ + vha->e_dbell.dbell_bsg_job = bsg_job; + vha->e_dbell.bsg_expire = jiffies + 10 * HZ; + } else { + return_bsg = true; + } + spin_unlock_irqrestore(&vha->e_dbell.db_lock, flags); + + if (return_bsg) + __qla_edif_dbell_bsg_done(vha, bsg_job, 1); + + return 0; +} + int32_t qla_edif_app_mgmt(struct bsg_job *bsg_job) { @@ -1023,8 +1256,13 @@ qla_edif_app_mgmt(struct bsg_job *bsg_job) bool done = true; int32_t rval = 0; uint32_t vnd_sc = bsg_request->rqst_data.h_vendor.vendor_cmd[1]; + u32 level = ql_dbg_edif; + + /* doorbell is high traffic */ + if (vnd_sc == QL_VND_SC_READ_DBELL) + level = 0; - ql_dbg(ql_dbg_edif, vha, 0x911d, "%s vnd subcmd=%x\n", + ql_dbg(level, vha, 0x911d, "%s vnd subcmd=%x\n", __func__, vnd_sc); sg_copy_to_buffer(bsg_job->request_payload.sg_list, @@ -1033,7 +1271,7 @@ qla_edif_app_mgmt(struct bsg_job *bsg_job) if (!vha->hw->flags.edif_enabled || test_bit(VPORT_DELETE, &vha->dpc_flags)) { - ql_dbg(ql_dbg_edif, vha, 0x911d, + ql_dbg(level, vha, 0x911d, "%s edif not enabled or vp delete. bsg ptr done %p. dpc_flags %lx\n", __func__, bsg_job, vha->dpc_flags); @@ -1042,7 +1280,7 @@ qla_edif_app_mgmt(struct bsg_job *bsg_job) } if (!qla_edif_app_check(vha, appcheck)) { - ql_dbg(ql_dbg_edif, vha, 0x911d, + ql_dbg(level, vha, 0x911d, "%s app checked failed.\n", __func__); @@ -1074,6 +1312,13 @@ qla_edif_app_mgmt(struct bsg_job *bsg_job) case QL_VND_SC_GET_STATS: rval = qla_edif_app_getstats(vha, bsg_job); break; + case QL_VND_SC_AEN_COMPLETE: + rval = qla_edif_ack(vha, bsg_job); + break; + case QL_VND_SC_READ_DBELL: + rval = qla_edif_dbell_bsg(vha, bsg_job); + done = false; + break; default: ql_dbg(ql_dbg_edif, vha, 0x911d, "%s unknown cmd=%x\n", __func__, @@ -1085,7 +1330,7 @@ qla_edif_app_mgmt(struct bsg_job *bsg_job) done: if (done) { - ql_dbg(ql_dbg_user, vha, 0x7009, + ql_dbg(level, vha, 0x7009, "%s: %d bsg ptr done %p\n", __func__, __LINE__, bsg_job); bsg_job_done(bsg_job, bsg_reply->result, bsg_reply->reply_payload_rcv_len); @@ -1247,6 +1492,8 @@ qla24xx_check_sadb_avail_slot(struct bsg_job *bsg_job, fc_port_t *fcport, #define QLA_SA_UPDATE_FLAGS_RX_KEY 0x0 #define QLA_SA_UPDATE_FLAGS_TX_KEY 0x2 +#define EDIF_MSLEEP_INTERVAL 100 +#define EDIF_RETRY_COUNT 50 int qla24xx_sadb_update(struct bsg_job *bsg_job) @@ -1259,7 +1506,7 @@ qla24xx_sadb_update(struct bsg_job *bsg_job) struct edif_list_entry *edif_entry = NULL; int found = 0; int rval = 0; - int result = 0; + int result = 0, cnt; struct qla_sa_update_frame sa_frame; struct srb_iocb *iocb_cmd; port_id_t portid; @@ -1500,11 +1747,23 @@ force_rx_delete: sp->done = qla2x00_bsg_job_done; iocb_cmd = &sp->u.iocb_cmd; iocb_cmd->u.sa_update.sa_frame = sa_frame; - + cnt = 0; +retry: rval = qla2x00_start_sp(sp); - if (rval != QLA_SUCCESS) { + switch (rval) { + case QLA_SUCCESS: + break; + case EAGAIN: + msleep(EDIF_MSLEEP_INTERVAL); + cnt++; + if (cnt < EDIF_RETRY_COUNT) + goto retry; + + fallthrough; + default: ql_log(ql_dbg_edif, vha, 0x70e3, - "qla2x00_start_sp failed=%d.\n", rval); + "%s qla2x00_start_sp failed=%d.\n", + __func__, rval); qla2x00_rel_sp(sp); rval = -EIO; @@ -1797,30 +2056,6 @@ qla_edb_init(scsi_qla_host_t *vha) /* initialize lock which protects doorbell & init list */ spin_lock_init(&vha->e_dbell.db_lock); INIT_LIST_HEAD(&vha->e_dbell.head); - - /* create and initialize doorbell */ - init_completion(&vha->e_dbell.dbell); -} - -static void -qla_edb_node_free(scsi_qla_host_t *vha, struct edb_node *node) -{ - /* - * releases the space held by this edb node entry - * this function does _not_ free the edb node itself - * NB: the edb node entry passed should not be on any list - * - * currently for doorbell there's no additional cleanup - * needed, but here as a placeholder for furture use. - */ - - if (!node) { - ql_dbg(ql_dbg_edif, vha, 0x09122, - "%s error - no valid node passed\n", __func__); - return; - } - - node->ntype = N_UNDEF; } static void qla_edb_clear(scsi_qla_host_t *vha, port_id_t portid) @@ -1867,11 +2102,8 @@ static void qla_edb_clear(scsi_qla_host_t *vha, port_id_t portid) } spin_unlock_irqrestore(&vha->e_dbell.db_lock, flags); - list_for_each_entry_safe(e, tmp, &edb_list, list) { + list_for_each_entry_safe(e, tmp, &edb_list, list) qla_edb_node_free(vha, e); - list_del_init(&e->list); - kfree(e); - } } /* function called when app is stopping */ @@ -1899,14 +2131,10 @@ qla_edb_stop(scsi_qla_host_t *vha) "%s freeing edb_node type=%x\n", __func__, node->ntype); qla_edb_node_free(vha, node); - list_del(&node->list); - - kfree(node); } spin_unlock_irqrestore(&vha->e_dbell.db_lock, flags); - /* wake up doorbell waiters - they'll be dismissed with error code */ - complete_all(&vha->e_dbell.dbell); + qla_edif_dbell_bsg_done(vha); } static struct edb_node * @@ -1944,9 +2172,6 @@ qla_edb_node_add(scsi_qla_host_t *vha, struct edb_node *ptr) list_add_tail(&ptr->list, &vha->e_dbell.head); spin_unlock_irqrestore(&vha->e_dbell.db_lock, flags); - /* ring doorbell for waiters */ - complete(&vha->e_dbell.dbell); - return true; } @@ -2010,47 +2235,29 @@ qla_edb_eventcreate(scsi_qla_host_t *vha, uint32_t dbtype, edbnode->u.sa_aen.port_id = fcport->d_id; edbnode->u.sa_aen.status = data; edbnode->u.sa_aen.key_type = data2; + edbnode->u.sa_aen.version = EDIF_VERSION1; break; default: ql_dbg(ql_dbg_edif, vha, 0x09102, "%s unknown type: %x\n", __func__, dbtype); - qla_edb_node_free(vha, edbnode); kfree(edbnode); edbnode = NULL; break; } - if (edbnode && (!qla_edb_node_add(vha, edbnode))) { + if (edbnode) { + if (!qla_edb_node_add(vha, edbnode)) { + ql_dbg(ql_dbg_edif, vha, 0x09102, + "%s unable to add dbnode\n", __func__); + kfree(edbnode); + return; + } ql_dbg(ql_dbg_edif, vha, 0x09102, - "%s unable to add dbnode\n", __func__); - qla_edb_node_free(vha, edbnode); - kfree(edbnode); - return; - } - if (edbnode && fcport) - fcport->edif.auth_state = dbtype; - ql_dbg(ql_dbg_edif, vha, 0x09102, - "%s Doorbell produced : type=%d %p\n", __func__, dbtype, edbnode); -} - -static struct edb_node * -qla_edb_getnext(scsi_qla_host_t *vha) -{ - unsigned long flags; - struct edb_node *edbnode = NULL; - - spin_lock_irqsave(&vha->e_dbell.db_lock, flags); - - /* db nodes are fifo - no qualifications done */ - if (!list_empty(&vha->e_dbell.head)) { - edbnode = list_first_entry(&vha->e_dbell.head, - struct edb_node, list); - list_del(&edbnode->list); + "%s Doorbell produced : type=%d %p\n", __func__, dbtype, edbnode); + qla_edif_dbell_bsg_done(vha); + if (fcport) + fcport->edif.auth_state = dbtype; } - - spin_unlock_irqrestore(&vha->e_dbell.db_lock, flags); - - return edbnode; } void @@ -2078,89 +2285,14 @@ qla_edif_timer(scsi_qla_host_t *vha) ha->edif_post_stop_cnt_down = 60; } } -} -/* - * app uses separate thread to read this. It'll wait until the doorbell - * is rung by the driver or the max wait time has expired - */ -ssize_t -edif_doorbell_show(struct device *dev, struct device_attribute *attr, - char *buf) -{ - scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); - struct edb_node *dbnode = NULL; - struct edif_app_dbell *ap = (struct edif_app_dbell *)buf; - uint32_t dat_siz, buf_size, sz; - - /* TODO: app currently hardcoded to 256. Will transition to bsg */ - sz = 256; - - /* stop new threads from waiting if we're not init'd */ - if (DBELL_INACTIVE(vha)) { - ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x09122, - "%s error - edif db not enabled\n", __func__); - return 0; - } - - if (!vha->hw->flags.edif_enabled) { - /* edif not enabled */ - ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x09122, - "%s error - edif not enabled\n", __func__); - return -1; - } - - buf_size = 0; - while ((sz - buf_size) >= sizeof(struct edb_node)) { - /* remove the next item from the doorbell list */ - dat_siz = 0; - dbnode = qla_edb_getnext(vha); - if (dbnode) { - ap->event_code = dbnode->ntype; - switch (dbnode->ntype) { - case VND_CMD_AUTH_STATE_SESSION_SHUTDOWN: - case VND_CMD_AUTH_STATE_NEEDED: - ap->port_id = dbnode->u.plogi_did; - dat_siz += sizeof(ap->port_id); - break; - case VND_CMD_AUTH_STATE_ELS_RCVD: - ap->port_id = dbnode->u.els_sid; - dat_siz += sizeof(ap->port_id); - break; - case VND_CMD_AUTH_STATE_SAUPDATE_COMPL: - ap->port_id = dbnode->u.sa_aen.port_id; - memcpy(ap->event_data, &dbnode->u, - sizeof(struct edif_sa_update_aen)); - dat_siz += sizeof(struct edif_sa_update_aen); - break; - default: - /* unknown node type, rtn unknown ntype */ - ap->event_code = VND_CMD_AUTH_STATE_UNDEF; - memcpy(ap->event_data, &dbnode->ntype, 4); - dat_siz += 4; - break; - } - - ql_dbg(ql_dbg_edif, vha, 0x09102, - "%s Doorbell consumed : type=%d %p\n", - __func__, dbnode->ntype, dbnode); - /* we're done with the db node, so free it up */ - qla_edb_node_free(vha, dbnode); - kfree(dbnode); - } else { - break; - } - - ap->event_data_size = dat_siz; - /* 8bytes = ap->event_code + ap->event_data_size */ - buf_size += dat_siz + 8; - ap = (struct edif_app_dbell *)(buf + buf_size); - } - return buf_size; + if (vha->e_dbell.dbell_bsg_job && time_after_eq(jiffies, vha->e_dbell.bsg_expire)) + qla_edif_dbell_bsg_done(vha); } static void qla_noop_sp_done(srb_t *sp, int res) { + sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); /* ref: INIT */ kref_put(&sp->cmd_kref, qla2x00_sp_release); } @@ -2185,7 +2317,8 @@ qla24xx_issue_sa_replace_iocb(scsi_qla_host_t *vha, struct qla_work_evt *e) if (!sa_ctl) { ql_dbg(ql_dbg_edif, vha, 0x70e6, "sa_ctl allocation failed\n"); - return -ENOMEM; + rval = -ENOMEM; + goto done; } fcport = sa_ctl->fcport; @@ -2195,7 +2328,8 @@ qla24xx_issue_sa_replace_iocb(scsi_qla_host_t *vha, struct qla_work_evt *e) if (!sp) { ql_dbg(ql_dbg_edif, vha, 0x70e6, "SRB allocation failed\n"); - return -ENOMEM; + rval = -ENOMEM; + goto done; } fcport->flags |= FCF_ASYNC_SENT; @@ -2224,10 +2358,17 @@ qla24xx_issue_sa_replace_iocb(scsi_qla_host_t *vha, struct qla_work_evt *e) rval = qla2x00_start_sp(sp); - if (rval != QLA_SUCCESS) - rval = QLA_FUNCTION_FAILED; + if (rval != QLA_SUCCESS) { + goto done_free_sp; + } return rval; +done_free_sp: + kref_put(&sp->cmd_kref, qla2x00_sp_release); + fcport->flags &= ~FCF_ASYNC_SENT; +done: + fcport->flags &= ~FCF_ASYNC_ACTIVE; + return rval; } void qla24xx_sa_update_iocb(srb_t *sp, struct sa_update_28xx *sa_update_iocb) @@ -2446,8 +2587,7 @@ void qla24xx_auth_els(scsi_qla_host_t *vha, void **pkt, struct rsp_que **rsp) fcport = qla2x00_find_fcport_by_pid(host, &purex->pur_info.pur_sid); - if (DBELL_INACTIVE(vha) || - (fcport && EDIF_SESSION_DOWN(fcport))) { + if (DBELL_INACTIVE(vha)) { ql_dbg(ql_dbg_edif, host, 0x0910c, "%s e_dbell.db_flags =%x %06x\n", __func__, host->e_dbell.db_flags, fcport ? fcport->d_id.b24 : 0); @@ -2457,6 +2597,22 @@ void qla24xx_auth_els(scsi_qla_host_t *vha, void **pkt, struct rsp_que **rsp) return; } + if (fcport && EDIF_SESSION_DOWN(fcport)) { + ql_dbg(ql_dbg_edif, host, 0x13b6, + "%s terminate exchange. Send logo to 0x%x\n", + __func__, a.did.b24); + + a.tx_byte_count = a.tx_len = 0; + a.tx_addr = 0; + a.control_flags = EPD_RX_XCHG; /* EPD_RX_XCHG = terminate cmd */ + qla_els_reject_iocb(host, (*rsp)->qpair, &a); + qla_enode_free(host, ptr); + /* send logo to let remote port knows to tear down session */ + fcport->send_els_logo = 1; + qlt_schedule_sess_for_deletion(fcport); + return; + } + /* add the local enode to the list */ qla_enode_add(host, ptr); @@ -2832,6 +2988,12 @@ qla28xx_start_scsi_edif(srb_t *sp) tot_dsds = nseg; req_cnt = qla24xx_calc_iocbs(vha, tot_dsds); + + sp->iores.res_type = RESOURCE_INI; + sp->iores.iocb_cnt = req_cnt; + if (qla_get_iocbs(sp->qpair, &sp->iores)) + goto queuing_error; + if (req->cnt < (req_cnt + 2)) { cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr : rd_reg_dword(req->req_q_out); @@ -3023,6 +3185,7 @@ queuing_error: mempool_free(sp->u.scmd.ct6_ctx, ha->ctx_mempool); sp->u.scmd.ct6_ctx = NULL; } + qla_put_iocbs(sp->qpair, &sp->iores); spin_unlock_irqrestore(lock, flags); return QLA_FUNCTION_FAILED; @@ -3349,10 +3512,14 @@ int qla_edif_process_els(scsi_qla_host_t *vha, struct bsg_job *bsg_job) fc_port_t *fcport = NULL; struct qla_hw_data *ha = vha->hw; srb_t *sp; - int rval = (DID_ERROR << 16); + int rval = (DID_ERROR << 16), cnt; port_id_t d_id; struct qla_bsg_auth_els_request *p = (struct qla_bsg_auth_els_request *)bsg_job->request; + struct qla_bsg_auth_els_reply *rpl = + (struct qla_bsg_auth_els_reply *)bsg_job->reply; + + rpl->version = EDIF_VERSION1; d_id.b.al_pa = bsg_request->rqst_data.h_els.port_id[2]; d_id.b.area = bsg_request->rqst_data.h_els.port_id[1]; @@ -3371,7 +3538,7 @@ int qla_edif_process_els(scsi_qla_host_t *vha, struct bsg_job *bsg_job) if (qla_bsg_check(vha, bsg_job, fcport)) return 0; - if (fcport->loop_id == FC_NO_LOOP_ID) { + if (EDIF_SESS_DELETE(fcport)) { ql_dbg(ql_dbg_edif, vha, 0x910d, "%s ELS code %x, no loop id.\n", __func__, bsg_request->rqst_data.r_els.els_code); @@ -3440,17 +3607,26 @@ int qla_edif_process_els(scsi_qla_host_t *vha, struct bsg_job *bsg_job) sp->free = qla2x00_bsg_sp_free; sp->done = qla2x00_bsg_job_done; + cnt = 0; +retry: rval = qla2x00_start_sp(sp); - - ql_dbg(ql_dbg_edif, vha, 0x700a, - "%s %s %8phN xchg %x ctlflag %x hdl %x reqlen %xh bsg ptr %p\n", - __func__, sc_to_str(p->e.sub_cmd), fcport->port_name, - p->e.extra_rx_xchg_address, p->e.extra_control_flags, - sp->handle, sp->remap.req.len, bsg_job); - - if (rval != QLA_SUCCESS) { + switch (rval) { + case QLA_SUCCESS: + ql_dbg(ql_dbg_edif, vha, 0x700a, + "%s %s %8phN xchg %x ctlflag %x hdl %x reqlen %xh bsg ptr %p\n", + __func__, sc_to_str(p->e.sub_cmd), fcport->port_name, + p->e.extra_rx_xchg_address, p->e.extra_control_flags, + sp->handle, sp->remap.req.len, bsg_job); + break; + case EAGAIN: + msleep(EDIF_MSLEEP_INTERVAL); + cnt++; + if (cnt < EDIF_RETRY_COUNT) + goto retry; + fallthrough; + default: ql_log(ql_log_warn, vha, 0x700e, - "qla2x00_start_sp failed = %d\n", rval); + "%s qla2x00_start_sp failed = %d\n", __func__, rval); SET_DID_STATUS(bsg_reply->result, DID_IMM_RETRY); rval = -EIO; goto done_free_remap_rsp; @@ -3472,14 +3648,29 @@ done: void qla_edif_sess_down(struct scsi_qla_host *vha, struct fc_port *sess) { + u16 cnt = 0; + if (sess->edif.app_sess_online && DBELL_ACTIVE(vha)) { ql_dbg(ql_dbg_disc, vha, 0xf09c, "%s: sess %8phN send port_offline event\n", __func__, sess->port_name); sess->edif.app_sess_online = 0; + sess->edif.sess_down_acked = 0; qla_edb_eventcreate(vha, VND_CMD_AUTH_STATE_SESSION_SHUTDOWN, sess->d_id.b24, 0, sess); qla2x00_post_aen_work(vha, FCH_EVT_PORT_OFFLINE, sess->d_id.b24); + + while (!READ_ONCE(sess->edif.sess_down_acked) && + !test_bit(VPORT_DELETE, &vha->dpc_flags)) { + msleep(100); + cnt++; + if (cnt > 100) + break; + } + sess->edif.sess_down_acked = 0; + ql_dbg(ql_dbg_disc, vha, 0xf09c, + "%s: sess %8phN port_offline event completed\n", + __func__, sess->port_name); } } |