summaryrefslogtreecommitdiff
path: root/drivers/scsi/qla2xxx/qla_mbx.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_mbx.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_mbx.c155
1 files changed, 109 insertions, 46 deletions
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index f0ec13d48bf3..2c6c2cd5a0d0 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -59,6 +59,7 @@ static struct rom_cmd {
{ MBC_IOCB_COMMAND_A64 },
{ MBC_GET_ADAPTER_LOOP_ID },
{ MBC_READ_SFP },
+ { MBC_GET_RNID_PARAMS },
};
static int is_rom_cmd(uint16_t cmd)
@@ -110,6 +111,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
unsigned long wait_time;
struct qla_hw_data *ha = vha->hw;
scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
+ u32 chip_reset;
ql_dbg(ql_dbg_mbx, vha, 0x1000, "Entered %s.\n", __func__);
@@ -140,7 +142,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
rval = QLA_SUCCESS;
abort_active = test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
-
+ chip_reset = ha->chip_reset;
if (ha->flags.pci_channel_io_perm_failure) {
ql_log(ql_log_warn, vha, 0x1003,
@@ -167,6 +169,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
return QLA_FUNCTION_TIMEOUT;
}
+ atomic_inc(&ha->num_pend_mbx_stage1);
/*
* Wait for active mailbox commands to finish by waiting at most tov
* seconds. This is to serialize actual issuing of mailbox cmds during
@@ -177,8 +180,14 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
ql_log(ql_log_warn, vha, 0xd035,
"Cmd access timeout, cmd=0x%x, Exiting.\n",
mcp->mb[0]);
+ atomic_dec(&ha->num_pend_mbx_stage1);
return QLA_FUNCTION_TIMEOUT;
}
+ atomic_dec(&ha->num_pend_mbx_stage1);
+ if (ha->flags.purge_mbox || chip_reset != ha->chip_reset) {
+ rval = QLA_ABORTED;
+ goto premature_exit;
+ }
ha->flags.mbox_busy = 1;
/* Save mailbox command for debug */
@@ -189,6 +198,13 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
spin_lock_irqsave(&ha->hardware_lock, flags);
+ if (ha->flags.purge_mbox || chip_reset != ha->chip_reset) {
+ rval = QLA_ABORTED;
+ ha->flags.mbox_busy = 0;
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ goto premature_exit;
+ }
+
/* Load mailbox registers. */
if (IS_P3P_TYPE(ha))
optr = (uint16_t __iomem *)&reg->isp82.mailbox_in[0];
@@ -231,7 +247,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
"jiffies=%lx.\n", jiffies);
/* Wait for mbx cmd completion until timeout */
-
+ atomic_inc(&ha->num_pend_mbx_stage2);
if ((!abort_active && io_lock_on) || IS_NOPOLLING_TYPE(ha)) {
set_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
@@ -241,6 +257,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
spin_unlock_irqrestore(&ha->hardware_lock,
flags);
ha->flags.mbox_busy = 0;
+ atomic_dec(&ha->num_pend_mbx_stage2);
ql_dbg(ql_dbg_mbx, vha, 0x1010,
"Pending mailbox timeout, exiting.\n");
rval = QLA_FUNCTION_TIMEOUT;
@@ -254,6 +271,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
spin_unlock_irqrestore(&ha->hardware_lock, flags);
wait_time = jiffies;
+ atomic_inc(&ha->num_pend_mbx_stage3);
if (!wait_for_completion_timeout(&ha->mbx_intr_comp,
mcp->tov * HZ)) {
ql_dbg(ql_dbg_mbx, vha, 0x117a,
@@ -261,7 +279,17 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
spin_lock_irqsave(&ha->hardware_lock, flags);
clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ } else if (ha->flags.purge_mbox ||
+ chip_reset != ha->chip_reset) {
+ ha->flags.mbox_busy = 0;
+ atomic_dec(&ha->num_pend_mbx_stage2);
+ atomic_dec(&ha->num_pend_mbx_stage3);
+ rval = QLA_ABORTED;
+ goto premature_exit;
}
+ atomic_dec(&ha->num_pend_mbx_stage3);
+
if (time_after(jiffies, wait_time + 5 * HZ))
ql_log(ql_log_warn, vha, 0x1015, "cmd=0x%x, waited %d msecs\n",
command, jiffies_to_msecs(jiffies - wait_time));
@@ -275,6 +303,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
spin_unlock_irqrestore(&ha->hardware_lock,
flags);
ha->flags.mbox_busy = 0;
+ atomic_dec(&ha->num_pend_mbx_stage2);
ql_dbg(ql_dbg_mbx, vha, 0x1012,
"Pending mailbox timeout, exiting.\n");
rval = QLA_FUNCTION_TIMEOUT;
@@ -289,6 +318,14 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
wait_time = jiffies + mcp->tov * HZ; /* wait at most tov secs */
while (!ha->flags.mbox_int) {
+ if (ha->flags.purge_mbox ||
+ chip_reset != ha->chip_reset) {
+ ha->flags.mbox_busy = 0;
+ atomic_dec(&ha->num_pend_mbx_stage2);
+ rval = QLA_ABORTED;
+ goto premature_exit;
+ }
+
if (time_after(jiffies, wait_time))
break;
@@ -312,6 +349,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
"Waited %d sec.\n",
(uint)((jiffies - (wait_time - (mcp->tov * HZ)))/HZ));
}
+ atomic_dec(&ha->num_pend_mbx_stage2);
/* Check whether we timed out */
if (ha->flags.mbox_int) {
@@ -390,7 +428,8 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
/* Capture FW dump only, if PCI device active */
if (!pci_channel_offline(vha->hw->pdev)) {
pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
- if (w == 0xffff || ictrl == 0xffffffff) {
+ if (w == 0xffff || ictrl == 0xffffffff ||
+ (chip_reset != ha->chip_reset)) {
/* This is special case if there is unload
* of driver happening and if PCI device go
* into bad state due to PCI error condition
@@ -497,7 +536,11 @@ premature_exit:
complete(&ha->mbx_cmd_comp);
mbx_done:
- if (rval) {
+ if (rval == QLA_ABORTED) {
+ ql_log(ql_log_info, vha, 0xd035,
+ "Chip Reset in progress. Purging Mbox cmd=0x%x.\n",
+ mcp->mb[0]);
+ } else if (rval) {
if (ql2xextended_error_logging & (ql_dbg_disc|ql_dbg_mbx)) {
pr_warn("%s [%s]-%04x:%ld: **** Failed", QL_MSGHDR,
dev_name(&ha->pdev->dev), 0x1020+0x800,
@@ -2177,7 +2220,10 @@ qla2x00_lip_reset(scsi_qla_host_t *vha)
mcp->out_mb = MBX_2|MBX_1|MBX_0;
} else if (IS_FWI2_CAPABLE(vha->hw)) {
mcp->mb[0] = MBC_LIP_FULL_LOGIN;
- mcp->mb[1] = BIT_6;
+ if (N2N_TOPO(vha->hw))
+ mcp->mb[1] = BIT_4; /* re-init */
+ else
+ mcp->mb[1] = BIT_6; /* LIP */
mcp->mb[2] = 0;
mcp->mb[3] = vha->hw->loop_reset_delay;
mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0;
@@ -3797,30 +3843,68 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha,
"Format 1: WWPN %8phC.\n",
vha->port_name);
- /* N2N. direct connect */
- if (IS_QLA27XX(ha) &&
- ((rptid_entry->u.f1.flags>>1) & 0x7) == 2) {
- /* if our portname is higher then initiate N2N login */
- if (wwn_to_u64(vha->port_name) >
- wwn_to_u64(rptid_entry->u.f1.port_name)) {
- // ??? qlt_update_host_map(vha, id);
- vha->n2n_id = 0x1;
- ql_dbg(ql_dbg_async, vha, 0x5075,
- "Format 1: Setting n2n_update_needed for id %d\n",
- vha->n2n_id);
+ switch (rptid_entry->u.f1.flags & TOPO_MASK) {
+ case TOPO_N2N:
+ ha->current_topology = ISP_CFG_N;
+ spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
+ fcport = qla2x00_find_fcport_by_wwpn(vha,
+ rptid_entry->u.f1.port_name, 1);
+ spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
+
+ if (fcport) {
+ fcport->plogi_nack_done_deadline = jiffies + HZ;
+ fcport->dm_login_expire = jiffies + 3*HZ;
+ fcport->scan_state = QLA_FCPORT_FOUND;
+ switch (fcport->disc_state) {
+ case DSC_DELETED:
+ set_bit(RELOGIN_NEEDED,
+ &vha->dpc_flags);
+ break;
+ case DSC_DELETE_PEND:
+ break;
+ default:
+ qlt_schedule_sess_for_deletion(fcport);
+ break;
+ }
} else {
- ql_dbg(ql_dbg_async, vha, 0x5075,
- "Format 1: Remote login - Waiting for WWPN %8phC.\n",
- rptid_entry->u.f1.port_name);
+ id.b24 = 0;
+ if (wwn_to_u64(vha->port_name) >
+ wwn_to_u64(rptid_entry->u.f1.port_name)) {
+ vha->d_id.b24 = 0;
+ vha->d_id.b.al_pa = 1;
+ ha->flags.n2n_bigger = 1;
+
+ id.b.al_pa = 2;
+ ql_dbg(ql_dbg_async, vha, 0x5075,
+ "Format 1: assign local id %x remote id %x\n",
+ vha->d_id.b24, id.b24);
+ } else {
+ ql_dbg(ql_dbg_async, vha, 0x5075,
+ "Format 1: Remote login - Waiting for WWPN %8phC.\n",
+ rptid_entry->u.f1.port_name);
+ ha->flags.n2n_bigger = 0;
+ }
+ qla24xx_post_newsess_work(vha, &id,
+ rptid_entry->u.f1.port_name,
+ rptid_entry->u.f1.node_name,
+ NULL,
+ FC4_TYPE_UNKNOWN);
}
- memcpy(vha->n2n_port_name, rptid_entry->u.f1.port_name,
- WWN_SIZE);
+ /* if our portname is higher then initiate N2N login */
+
set_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags);
- set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
- set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
ha->flags.n2n_ae = 1;
return;
+ break;
+ case TOPO_FL:
+ ha->current_topology = ISP_CFG_FL;
+ break;
+ case TOPO_F:
+ ha->current_topology = ISP_CFG_F;
+ break;
+ default:
+ break;
}
ha->flags.gpsc_supported = 1;
@@ -3909,30 +3993,9 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha,
rptid_entry->u.f2.port_name, 1);
if (fcport) {
+ fcport->login_retry = vha->hw->login_retry_count;
fcport->plogi_nack_done_deadline = jiffies + HZ;
fcport->scan_state = QLA_FCPORT_FOUND;
- switch (fcport->disc_state) {
- case DSC_DELETED:
- ql_dbg(ql_dbg_disc, vha, 0x210d,
- "%s %d %8phC login\n",
- __func__, __LINE__, fcport->port_name);
- qla24xx_fcport_handle_login(vha, fcport);
- break;
- case DSC_DELETE_PEND:
- break;
- default:
- qlt_schedule_sess_for_deletion(fcport);
- break;
- }
- } else {
- id.b.al_pa = rptid_entry->u.f2.remote_nport_id[0];
- id.b.area = rptid_entry->u.f2.remote_nport_id[1];
- id.b.domain = rptid_entry->u.f2.remote_nport_id[2];
- qla24xx_post_newsess_work(vha, &id,
- rptid_entry->u.f2.port_name,
- rptid_entry->u.f2.node_name,
- NULL,
- FC4_TYPE_UNKNOWN);
}
}
}
@@ -4663,7 +4726,7 @@ qla24xx_get_port_login_templ(scsi_qla_host_t *vha, dma_addr_t buf_dma,
"Done %s.\n", __func__);
bp = (uint32_t *) buf;
for (i = 0; i < (bufsiz-4)/4; i++, bp++)
- *bp = cpu_to_be32(*bp);
+ *bp = le32_to_cpu(*bp);
}
return rval;