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path: root/drivers/scsi/qla2xxx/qla_init.c
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Diffstat (limited to 'drivers/scsi/qla2xxx/qla_init.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_init.c140
1 files changed, 133 insertions, 7 deletions
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 44cf875a484a..1bafa043f9f1 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -812,13 +812,12 @@ int qla24xx_async_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
sp->gen2 = fcport->login_gen;
qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
- pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma);
+ pd = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma);
if (pd == NULL) {
ql_log(ql_log_warn, vha, 0xd043,
"Failed to allocate port database structure.\n");
goto done_free_sp;
}
- memset(pd, 0, max(PORT_DATABASE_SIZE, PORT_DATABASE_24XX_SIZE));
mb = sp->u.iocb_cmd.u.mbx.out_mb;
mb[0] = MBC_GET_PORT_DATABASE;
@@ -1434,6 +1433,14 @@ qla24xx_handle_prli_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
qla24xx_post_gpdb_work(vha, ea->fcport, 0);
break;
default:
+ if (ea->fcport->n2n_flag) {
+ ql_dbg(ql_dbg_disc, vha, 0x2118,
+ "%s %d %8phC post fc4 prli\n",
+ __func__, __LINE__, ea->fcport->port_name);
+ ea->fcport->fc4f_nvme = 0;
+ ea->fcport->n2n_flag = 0;
+ qla24xx_post_prli_work(vha, ea->fcport);
+ }
ql_dbg(ql_dbg_disc, vha, 0x2119,
"%s %d %8phC unhandle event of %x\n",
__func__, __LINE__, ea->fcport->port_name, ea->data[0]);
@@ -4367,7 +4374,109 @@ qla2x00_configure_loop(scsi_qla_host_t *vha)
return (rval);
}
+/*
+ * N2N Login
+ * Updates Fibre Channel Device Database with local loop devices.
+ *
+ * Input:
+ * ha = adapter block pointer.
+ *
+ * Returns:
+ */
+static int qla24xx_n2n_handle_login(struct scsi_qla_host *vha,
+ fc_port_t *fcport)
+{
+ struct qla_hw_data *ha = vha->hw;
+ int res = QLA_SUCCESS, rval;
+ int greater_wwpn = 0;
+ int logged_in = 0;
+
+ if (ha->current_topology != ISP_CFG_N)
+ return res;
+
+ if (wwn_to_u64(vha->port_name) >
+ wwn_to_u64(vha->n2n_port_name)) {
+ ql_dbg(ql_dbg_disc, vha, 0x2002,
+ "HBA WWPN is greater %llx > target %llx\n",
+ wwn_to_u64(vha->port_name),
+ wwn_to_u64(vha->n2n_port_name));
+ greater_wwpn = 1;
+ fcport->d_id.b24 = vha->n2n_id;
+ }
+
+ fcport->loop_id = vha->loop_id;
+ fcport->fc4f_nvme = 0;
+ fcport->query = 1;
+
+ ql_dbg(ql_dbg_disc, vha, 0x4001,
+ "Initiate N2N login handler: HBA port_id=%06x loopid=%d\n",
+ fcport->d_id.b24, vha->loop_id);
+
+ /* Fill in member data. */
+ if (!greater_wwpn) {
+ rval = qla2x00_get_port_database(vha, fcport, 0);
+ ql_dbg(ql_dbg_disc, vha, 0x1051,
+ "Remote login-state (%x/%x) port_id=%06x loop_id=%x, rval=%d\n",
+ fcport->current_login_state, fcport->last_login_state,
+ fcport->d_id.b24, fcport->loop_id, rval);
+
+ if (((fcport->current_login_state & 0xf) == 0x4) ||
+ ((fcport->current_login_state & 0xf) == 0x6))
+ logged_in = 1;
+ }
+
+ if (logged_in || greater_wwpn) {
+ if (!vha->nvme_local_port && vha->flags.nvme_enabled)
+ qla_nvme_register_hba(vha);
+
+ /* Set connected N_Port d_id */
+ if (vha->flags.nvme_enabled)
+ fcport->fc4f_nvme = 1;
+
+ fcport->scan_state = QLA_FCPORT_FOUND;
+ fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
+ fcport->disc_state = DSC_GNL;
+ fcport->n2n_flag = 1;
+ fcport->flags = 3;
+ vha->hw->flags.gpsc_supported = 0;
+
+ if (greater_wwpn) {
+ ql_dbg(ql_dbg_disc, vha, 0x20e5,
+ "%s %d PLOGI ELS %8phC\n",
+ __func__, __LINE__, fcport->port_name);
+
+ res = qla24xx_els_dcmd2_iocb(vha, ELS_DCMD_PLOGI,
+ fcport, fcport->d_id);
+ }
+
+ if (res != QLA_SUCCESS) {
+ ql_log(ql_log_info, vha, 0xd04d,
+ "PLOGI Failed: portid=%06x - retrying\n",
+ fcport->d_id.b24);
+ res = QLA_SUCCESS;
+ } else {
+ /* State 0x6 means FCP PRLI complete */
+ if ((fcport->current_login_state & 0xf) == 0x6) {
+ ql_dbg(ql_dbg_disc, vha, 0x2118,
+ "%s %d %8phC post GPDB work\n",
+ __func__, __LINE__, fcport->port_name);
+ fcport->chip_reset =
+ vha->hw->base_qpair->chip_reset;
+ qla24xx_post_gpdb_work(vha, fcport, 0);
+ } else {
+ ql_dbg(ql_dbg_disc, vha, 0x2118,
+ "%s %d %8phC post NVMe PRLI\n",
+ __func__, __LINE__, fcport->port_name);
+ qla24xx_post_prli_work(vha, fcport);
+ }
+ }
+ } else {
+ /* Wait for next database change */
+ set_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags);
+ }
+ return res;
+}
/*
* qla2x00_configure_local_loop
@@ -4438,6 +4547,14 @@ qla2x00_configure_local_loop(scsi_qla_host_t *vha)
}
}
+ /* Inititae N2N login. */
+ if (test_and_clear_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags)) {
+ rval = qla24xx_n2n_handle_login(vha, new_fcport);
+ if (rval != QLA_SUCCESS)
+ goto cleanup_allocation;
+ return QLA_SUCCESS;
+ }
+
/* Add devices to port list. */
id_iter = (char *)ha->gid_list;
for (index = 0; index < entries; index++) {
@@ -4479,10 +4596,13 @@ qla2x00_configure_local_loop(scsi_qla_host_t *vha)
"Failed to retrieve fcport information "
"-- get_port_database=%x, loop_id=0x%04x.\n",
rval2, new_fcport->loop_id);
- ql_dbg(ql_dbg_disc, vha, 0x2105,
- "Scheduling resync.\n");
- set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
- continue;
+ /* Skip retry if N2N */
+ if (ha->current_topology != ISP_CFG_N) {
+ ql_dbg(ql_dbg_disc, vha, 0x2105,
+ "Scheduling resync.\n");
+ set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
+ continue;
+ }
}
spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
@@ -7555,6 +7675,12 @@ qla81xx_nvram_config(scsi_qla_host_t *vha)
if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha))
icb->firmware_options_3 |= BIT_0;
+ if (IS_QLA27XX(ha)) {
+ icb->firmware_options_3 |= BIT_8;
+ ql_dbg(ql_log_info, vha, 0x0075,
+ "Enabling direct connection.\n");
+ }
+
if (rval) {
ql_log(ql_log_warn, vha, 0x0076,
"NVRAM configuration failed.\n");
@@ -7910,7 +8036,7 @@ struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos,
return NULL;
}
- if (ql2xmqsupport) {
+ if (ql2xmqsupport || ql2xnvmeenable) {
qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
if (qpair == NULL) {
ql_log(ql_log_warn, vha, 0x0182,
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-20 02:11:36 +0300