From fdb8b20906f3546ba6c2f9f0686d8a5189516ba3 Mon Sep 17 00:00:00 2001 From: José Pekkarinen Date: Fri, 9 Oct 2015 08:42:44 +0300 Subject: Kernel bump from 4.1.3-rt to 4.1.7-rt. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit These changes brings a vanilla kernel from kernel.org, and the patch applied for rt is patch-4.1.7-rt8.patch. No further changes needed. Change-Id: Id8dd03c2ddd971e4d1d69b905f3069737053b700 Signed-off-by: José Pekkarinen --- kernel/drivers/scsi/qla2xxx/qla_dbg.c | 2 +- kernel/drivers/scsi/qla2xxx/qla_init.c | 141 +++++++++++++++++++++++++------ kernel/drivers/scsi/qla2xxx/qla_target.c | 48 +++++------ 3 files changed, 140 insertions(+), 51 deletions(-) (limited to 'kernel/drivers/scsi/qla2xxx') diff --git a/kernel/drivers/scsi/qla2xxx/qla_dbg.c b/kernel/drivers/scsi/qla2xxx/qla_dbg.c index 0e6ee3ca3..e9ae6b924 100644 --- a/kernel/drivers/scsi/qla2xxx/qla_dbg.c +++ b/kernel/drivers/scsi/qla2xxx/qla_dbg.c @@ -68,7 +68,7 @@ * | | | 0xd101-0xd1fe | * | | | 0xd214-0xd2fe | * | Target Mode | 0xe079 | | - * | Target Mode Management | 0xf072 | 0xf002 | + * | Target Mode Management | 0xf080 | 0xf002 | * | | | 0xf046-0xf049 | * | Target Mode Task Management | 0x1000b | | * ---------------------------------------------------------------------- diff --git a/kernel/drivers/scsi/qla2xxx/qla_init.c b/kernel/drivers/scsi/qla2xxx/qla_init.c index 285cb204f..998498e23 100644 --- a/kernel/drivers/scsi/qla2xxx/qla_init.c +++ b/kernel/drivers/scsi/qla2xxx/qla_init.c @@ -2924,6 +2924,7 @@ qla2x00_rport_del(void *data) struct fc_rport *rport; scsi_qla_host_t *vha = fcport->vha; unsigned long flags; + unsigned long vha_flags; spin_lock_irqsave(fcport->vha->host->host_lock, flags); rport = fcport->drport ? fcport->drport: fcport->rport; @@ -2935,7 +2936,9 @@ qla2x00_rport_del(void *data) * Release the target mode FC NEXUS in qla_target.c code * if target mod is enabled. */ + spin_lock_irqsave(&vha->hw->hardware_lock, vha_flags); qlt_fc_port_deleted(vha, fcport); + spin_unlock_irqrestore(&vha->hw->hardware_lock, vha_flags); } } @@ -3303,6 +3306,7 @@ qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport) * Create target mode FC NEXUS in qla_target.c if target mode is * enabled.. */ + qlt_fc_port_added(vha, fcport); spin_lock_irqsave(fcport->vha->host->host_lock, flags); @@ -3460,20 +3464,43 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha) if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) continue; - if (fcport->scan_state == QLA_FCPORT_SCAN && - atomic_read(&fcport->state) == FCS_ONLINE) { - qla2x00_mark_device_lost(vha, fcport, - ql2xplogiabsentdevice, 0); - if (fcport->loop_id != FC_NO_LOOP_ID && - (fcport->flags & FCF_FCP2_DEVICE) == 0 && - fcport->port_type != FCT_INITIATOR && - fcport->port_type != FCT_BROADCAST) { - ha->isp_ops->fabric_logout(vha, - fcport->loop_id, - fcport->d_id.b.domain, - fcport->d_id.b.area, - fcport->d_id.b.al_pa); - qla2x00_clear_loop_id(fcport); + if (fcport->scan_state == QLA_FCPORT_SCAN) { + if (qla_ini_mode_enabled(base_vha) && + atomic_read(&fcport->state) == FCS_ONLINE) { + qla2x00_mark_device_lost(vha, fcport, + ql2xplogiabsentdevice, 0); + if (fcport->loop_id != FC_NO_LOOP_ID && + (fcport->flags & FCF_FCP2_DEVICE) == 0 && + fcport->port_type != FCT_INITIATOR && + fcport->port_type != FCT_BROADCAST) { + ha->isp_ops->fabric_logout(vha, + fcport->loop_id, + fcport->d_id.b.domain, + fcport->d_id.b.area, + fcport->d_id.b.al_pa); + qla2x00_clear_loop_id(fcport); + } + } else if (!qla_ini_mode_enabled(base_vha)) { + /* + * In target mode, explicitly kill + * sessions and log out of devices + * that are gone, so that we don't + * end up with an initiator using the + * wrong ACL (if the fabric recycles + * an FC address and we have a stale + * session around) and so that we don't + * report initiators that are no longer + * on the fabric. + */ + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf077, + "port gone, logging out/killing session: " + "%8phC state 0x%x flags 0x%x fc4_type 0x%x " + "scan_state %d\n", + fcport->port_name, + atomic_read(&fcport->state), + fcport->flags, fcport->fc4_type, + fcport->scan_state); + qlt_fc_port_deleted(vha, fcport); } } } @@ -3494,6 +3521,28 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha) (fcport->flags & FCF_LOGIN_NEEDED) == 0) continue; + /* + * If we're not an initiator, skip looking for devices + * and logging in. There's no reason for us to do it, + * and it seems to actively cause problems in target + * mode if we race with the initiator logging into us + * (we might get the "port ID used" status back from + * our login command and log out the initiator, which + * seems to cause havoc). + */ + if (!qla_ini_mode_enabled(base_vha)) { + if (fcport->scan_state == QLA_FCPORT_FOUND) { + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf078, + "port %8phC state 0x%x flags 0x%x fc4_type 0x%x " + "scan_state %d (initiator mode disabled; skipping " + "login)\n", fcport->port_name, + atomic_read(&fcport->state), + fcport->flags, fcport->fc4_type, + fcport->scan_state); + } + continue; + } + if (fcport->loop_id == FC_NO_LOOP_ID) { fcport->loop_id = next_loopid; rval = qla2x00_find_new_loop_id( @@ -3520,16 +3569,38 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha) test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) break; - /* Find a new loop ID to use. */ - fcport->loop_id = next_loopid; - rval = qla2x00_find_new_loop_id(base_vha, fcport); - if (rval != QLA_SUCCESS) { - /* Ran out of IDs to use */ - break; - } + /* + * If we're not an initiator, skip looking for devices + * and logging in. There's no reason for us to do it, + * and it seems to actively cause problems in target + * mode if we race with the initiator logging into us + * (we might get the "port ID used" status back from + * our login command and log out the initiator, which + * seems to cause havoc). + */ + if (qla_ini_mode_enabled(base_vha)) { + /* Find a new loop ID to use. */ + fcport->loop_id = next_loopid; + rval = qla2x00_find_new_loop_id(base_vha, + fcport); + if (rval != QLA_SUCCESS) { + /* Ran out of IDs to use */ + break; + } - /* Login and update database */ - qla2x00_fabric_dev_login(vha, fcport, &next_loopid); + /* Login and update database */ + qla2x00_fabric_dev_login(vha, fcport, + &next_loopid); + } else { + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf079, + "new port %8phC state 0x%x flags 0x%x fc4_type " + "0x%x scan_state %d (initiator mode disabled; " + "skipping login)\n", + fcport->port_name, + atomic_read(&fcport->state), + fcport->flags, fcport->fc4_type, + fcport->scan_state); + } list_move_tail(&fcport->list, &vha->vp_fcports); } @@ -3725,11 +3796,12 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha, fcport->fp_speed = new_fcport->fp_speed; /* - * If address the same and state FCS_ONLINE, nothing - * changed. + * If address the same and state FCS_ONLINE + * (or in target mode), nothing changed. */ if (fcport->d_id.b24 == new_fcport->d_id.b24 && - atomic_read(&fcport->state) == FCS_ONLINE) { + (atomic_read(&fcport->state) == FCS_ONLINE || + !qla_ini_mode_enabled(base_vha))) { break; } @@ -3749,6 +3821,22 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha, * Log it out if still logged in and mark it for * relogin later. */ + if (!qla_ini_mode_enabled(base_vha)) { + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080, + "port changed FC ID, %8phC" + " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n", + fcport->port_name, + fcport->d_id.b.domain, + fcport->d_id.b.area, + fcport->d_id.b.al_pa, + fcport->loop_id, + new_fcport->d_id.b.domain, + new_fcport->d_id.b.area, + new_fcport->d_id.b.al_pa); + fcport->d_id.b24 = new_fcport->d_id.b24; + break; + } + fcport->d_id.b24 = new_fcport->d_id.b24; fcport->flags |= FCF_LOGIN_NEEDED; if (fcport->loop_id != FC_NO_LOOP_ID && @@ -3768,6 +3856,7 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha, if (found) continue; /* If device was not in our fcports list, then add it. */ + new_fcport->scan_state = QLA_FCPORT_FOUND; list_add_tail(&new_fcport->list, new_fcports); /* Allocate a new replacement fcport. */ diff --git a/kernel/drivers/scsi/qla2xxx/qla_target.c b/kernel/drivers/scsi/qla2xxx/qla_target.c index fe8a8d157..496a733d0 100644 --- a/kernel/drivers/scsi/qla2xxx/qla_target.c +++ b/kernel/drivers/scsi/qla2xxx/qla_target.c @@ -113,6 +113,7 @@ static void qlt_abort_cmd_on_host_reset(struct scsi_qla_host *vha, static void qlt_alloc_qfull_cmd(struct scsi_qla_host *vha, struct atio_from_isp *atio, uint16_t status, int qfull); static void qlt_disable_vha(struct scsi_qla_host *vha); +static void qlt_clear_tgt_db(struct qla_tgt *tgt); /* * Global Variables */ @@ -431,10 +432,10 @@ static int qlt_reset(struct scsi_qla_host *vha, void *iocb, int mcmd) loop_id = le16_to_cpu(n->u.isp24.nport_handle); if (loop_id == 0xFFFF) { -#if 0 /* FIXME: Re-enable Global event handling.. */ /* Global event */ - atomic_inc(&ha->tgt.qla_tgt->tgt_global_resets_count); - qlt_clear_tgt_db(ha->tgt.qla_tgt); + atomic_inc(&vha->vha_tgt.qla_tgt->tgt_global_resets_count); + qlt_clear_tgt_db(vha->vha_tgt.qla_tgt); +#if 0 /* FIXME: do we need to choose a session here? */ if (!list_empty(&ha->tgt.qla_tgt->sess_list)) { sess = list_entry(ha->tgt.qla_tgt->sess_list.next, typeof(*sess), sess_list_entry); @@ -782,25 +783,20 @@ void qlt_fc_port_added(struct scsi_qla_host *vha, fc_port_t *fcport) void qlt_fc_port_deleted(struct scsi_qla_host *vha, fc_port_t *fcport) { - struct qla_hw_data *ha = vha->hw; struct qla_tgt *tgt = vha->vha_tgt.qla_tgt; struct qla_tgt_sess *sess; - unsigned long flags; if (!vha->hw->tgt.tgt_ops) return; - if (!tgt || (fcport->port_type != FCT_INITIATOR)) + if (!tgt) return; - spin_lock_irqsave(&ha->hardware_lock, flags); if (tgt->tgt_stop) { - spin_unlock_irqrestore(&ha->hardware_lock, flags); return; } sess = qlt_find_sess_by_port_name(tgt, fcport->port_name); if (!sess) { - spin_unlock_irqrestore(&ha->hardware_lock, flags); return; } @@ -808,7 +804,6 @@ void qlt_fc_port_deleted(struct scsi_qla_host *vha, fc_port_t *fcport) sess->local = 1; qlt_schedule_sess_for_deletion(sess, false); - spin_unlock_irqrestore(&ha->hardware_lock, flags); } static inline int test_tgt_sess_count(struct qla_tgt *tgt) @@ -2347,9 +2342,10 @@ int qlt_xmit_response(struct qla_tgt_cmd *cmd, int xmit_type, res = qlt_build_ctio_crc2_pkt(&prm, vha); else res = qlt_24xx_build_ctio_pkt(&prm, vha); - if (unlikely(res != 0)) + if (unlikely(res != 0)) { + vha->req->cnt += full_req_cnt; goto out_unmap_unlock; - + } pkt = (struct ctio7_to_24xx *)prm.pkt; @@ -2487,8 +2483,11 @@ int qlt_rdy_to_xfer(struct qla_tgt_cmd *cmd) else res = qlt_24xx_build_ctio_pkt(&prm, vha); - if (unlikely(res != 0)) + if (unlikely(res != 0)) { + vha->req->cnt += prm.req_cnt; goto out_unlock_free_unmap; + } + pkt = (struct ctio7_to_24xx *)prm.pkt; pkt->u.status0.flags |= __constant_cpu_to_le16(CTIO7_FLAGS_DATA_OUT | CTIO7_FLAGS_STATUS_MODE_0); @@ -2717,7 +2716,7 @@ static int __qlt_send_term_exchange(struct scsi_qla_host *vha, static void qlt_send_term_exchange(struct scsi_qla_host *vha, struct qla_tgt_cmd *cmd, struct atio_from_isp *atio, int ha_locked) { - unsigned long flags; + unsigned long flags = 0; int rc; if (qlt_issue_marker(vha, ha_locked) < 0) @@ -2733,17 +2732,18 @@ static void qlt_send_term_exchange(struct scsi_qla_host *vha, rc = __qlt_send_term_exchange(vha, cmd, atio); if (rc == -ENOMEM) qlt_alloc_qfull_cmd(vha, atio, 0, 0); - spin_unlock_irqrestore(&vha->hw->hardware_lock, flags); done: if (cmd && ((cmd->state != QLA_TGT_STATE_ABORTED) || !cmd->cmd_sent_to_fw)) { - if (!ha_locked && !in_interrupt()) - msleep(250); /* just in case */ - - qlt_unmap_sg(vha, cmd); + if (cmd->sg_mapped) + qlt_unmap_sg(vha, cmd); vha->hw->tgt.tgt_ops->free_cmd(cmd); } + + if (!ha_locked) + spin_unlock_irqrestore(&vha->hw->hardware_lock, flags); + return; } @@ -3347,6 +3347,11 @@ static struct qla_tgt_cmd *qlt_get_tag(scsi_qla_host_t *vha, cmd->loop_id = sess->loop_id; cmd->conf_compl_supported = sess->conf_compl_supported; + cmd->cmd_flags = 0; + cmd->jiffies_at_alloc = get_jiffies_64(); + + cmd->reset_count = vha->hw->chip_reset; + return cmd; } @@ -3453,11 +3458,6 @@ static int qlt_handle_cmd_for_atio(struct scsi_qla_host *vha, return -ENOMEM; } - cmd->cmd_flags = 0; - cmd->jiffies_at_alloc = get_jiffies_64(); - - cmd->reset_count = vha->hw->chip_reset; - cmd->cmd_in_wq = 1; cmd->cmd_flags |= BIT_0; INIT_WORK(&cmd->work, qlt_do_work); -- cgit 1.2.3-korg