in qla4xxx/ql4_isr.c [658:1024]
static void qla4xxx_isr_decode_mailbox(struct scsi_qla_host * ha,
uint32_t mbox_status)
{
int i;
uint32_t mbox_sts[MBOX_AEN_REG_COUNT];
__le32 __iomem *mailbox_out;
uint32_t opcode = 0;
if (is_qla8032(ha) || is_qla8042(ha))
mailbox_out = &ha->qla4_83xx_reg->mailbox_out[0];
else if (is_qla8022(ha))
mailbox_out = &ha->qla4_82xx_reg->mailbox_out[0];
else
mailbox_out = &ha->reg->mailbox[0];
if ((mbox_status == MBOX_STS_BUSY) ||
(mbox_status == MBOX_STS_INTERMEDIATE_COMPLETION) ||
(mbox_status >> 12 == MBOX_COMPLETION_STATUS)) {
ha->mbox_status[0] = mbox_status;
if (test_bit(AF_MBOX_COMMAND, &ha->flags)) {
/*
* Copy all mailbox registers to a temporary
* location and set mailbox command done flag
*/
for (i = 0; i < ha->mbox_status_count; i++)
ha->mbox_status[i] = readl(&mailbox_out[i]);
set_bit(AF_MBOX_COMMAND_DONE, &ha->flags);
if (test_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags))
complete(&ha->mbx_intr_comp);
}
} else if (mbox_status >> 12 == MBOX_ASYNC_EVENT_STATUS) {
for (i = 0; i < MBOX_AEN_REG_COUNT; i++)
mbox_sts[i] = readl(&mailbox_out[i]);
/* Immediately process the AENs that don't require much work.
* Only queue the database_changed AENs */
if (ha->aen_log.count < MAX_AEN_ENTRIES) {
for (i = 0; i < MBOX_AEN_REG_COUNT; i++)
ha->aen_log.entry[ha->aen_log.count].mbox_sts[i] =
mbox_sts[i];
ha->aen_log.count++;
}
switch (mbox_status) {
case MBOX_ASTS_SYSTEM_ERROR:
/* Log Mailbox registers */
ql4_printk(KERN_INFO, ha, "%s: System Err\n", __func__);
qla4xxx_dump_registers(ha);
if ((is_qla8022(ha) && ql4xdontresethba) ||
((is_qla8032(ha) || is_qla8042(ha)) &&
qla4_83xx_idc_dontreset(ha))) {
DEBUG2(printk("scsi%ld: %s:Don't Reset HBA\n",
ha->host_no, __func__));
} else {
set_bit(AF_GET_CRASH_RECORD, &ha->flags);
set_bit(DPC_RESET_HA, &ha->dpc_flags);
}
break;
case MBOX_ASTS_REQUEST_TRANSFER_ERROR:
case MBOX_ASTS_RESPONSE_TRANSFER_ERROR:
case MBOX_ASTS_NVRAM_INVALID:
case MBOX_ASTS_IP_ADDRESS_CHANGED:
case MBOX_ASTS_DHCP_LEASE_EXPIRED:
DEBUG2(printk("scsi%ld: AEN %04x, ERROR Status, "
"Reset HA\n", ha->host_no, mbox_status));
if (is_qla80XX(ha))
set_bit(DPC_RESET_HA_FW_CONTEXT,
&ha->dpc_flags);
else
set_bit(DPC_RESET_HA, &ha->dpc_flags);
break;
case MBOX_ASTS_LINK_UP:
set_bit(AF_LINK_UP, &ha->flags);
if (test_bit(AF_INIT_DONE, &ha->flags))
set_bit(DPC_LINK_CHANGED, &ha->dpc_flags);
ql4_printk(KERN_INFO, ha, "%s: LINK UP\n", __func__);
qla4xxx_post_aen_work(ha, ISCSI_EVENT_LINKUP,
sizeof(mbox_sts),
(uint8_t *) mbox_sts);
if ((is_qla8032(ha) || is_qla8042(ha)) &&
ha->notify_link_up_comp)
complete(&ha->link_up_comp);
break;
case MBOX_ASTS_LINK_DOWN:
clear_bit(AF_LINK_UP, &ha->flags);
if (test_bit(AF_INIT_DONE, &ha->flags)) {
set_bit(DPC_LINK_CHANGED, &ha->dpc_flags);
qla4xxx_wake_dpc(ha);
}
ql4_printk(KERN_INFO, ha, "%s: LINK DOWN\n", __func__);
qla4xxx_post_aen_work(ha, ISCSI_EVENT_LINKDOWN,
sizeof(mbox_sts),
(uint8_t *) mbox_sts);
break;
case MBOX_ASTS_HEARTBEAT:
ha->seconds_since_last_heartbeat = 0;
break;
case MBOX_ASTS_DHCP_LEASE_ACQUIRED:
DEBUG2(printk("scsi%ld: AEN %04x DHCP LEASE "
"ACQUIRED\n", ha->host_no, mbox_status));
set_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags);
break;
case MBOX_ASTS_PROTOCOL_STATISTIC_ALARM:
case MBOX_ASTS_SCSI_COMMAND_PDU_REJECTED: /* Target
* mode
* only */
case MBOX_ASTS_UNSOLICITED_PDU_RECEIVED: /* Connection mode */
case MBOX_ASTS_IPSEC_SYSTEM_FATAL_ERROR:
case MBOX_ASTS_SUBNET_STATE_CHANGE:
case MBOX_ASTS_DUPLICATE_IP:
/* No action */
DEBUG2(printk("scsi%ld: AEN %04x\n", ha->host_no,
mbox_status));
break;
case MBOX_ASTS_IP_ADDR_STATE_CHANGED:
printk("scsi%ld: AEN %04x, mbox_sts[2]=%04x, "
"mbox_sts[3]=%04x\n", ha->host_no, mbox_sts[0],
mbox_sts[2], mbox_sts[3]);
qla4xxx_update_ipaddr_state(ha, mbox_sts[5],
mbox_sts[3]);
/* mbox_sts[2] = Old ACB state
* mbox_sts[3] = new ACB state */
if ((mbox_sts[3] == IP_ADDRSTATE_PREFERRED) &&
((mbox_sts[2] == IP_ADDRSTATE_TENTATIVE) ||
(mbox_sts[2] == IP_ADDRSTATE_ACQUIRING))) {
set_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags);
} else if ((mbox_sts[3] == IP_ADDRSTATE_ACQUIRING) &&
(mbox_sts[2] == IP_ADDRSTATE_PREFERRED)) {
if (is_qla80XX(ha))
set_bit(DPC_RESET_HA_FW_CONTEXT,
&ha->dpc_flags);
else
set_bit(DPC_RESET_HA, &ha->dpc_flags);
} else if (mbox_sts[3] == IP_ADDRSTATE_DISABLING) {
ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ACB in disabling state\n",
ha->host_no, __func__);
} else if (mbox_sts[3] == IP_ADDRSTATE_UNCONFIGURED) {
complete(&ha->disable_acb_comp);
ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ACB state unconfigured\n",
ha->host_no, __func__);
}
break;
case MBOX_ASTS_IPV6_LINK_MTU_CHANGE:
case MBOX_ASTS_IPV6_AUTO_PREFIX_IGNORED:
case MBOX_ASTS_IPV6_ND_LOCAL_PREFIX_IGNORED:
/* No action */
DEBUG2(ql4_printk(KERN_INFO, ha, "scsi%ld: AEN %04x\n",
ha->host_no, mbox_status));
break;
case MBOX_ASTS_ICMPV6_ERROR_MSG_RCVD:
DEBUG2(ql4_printk(KERN_INFO, ha,
"scsi%ld: AEN %04x, IPv6 ERROR, "
"mbox_sts[1]=%08x, mbox_sts[2]=%08x, mbox_sts[3}=%08x, mbox_sts[4]=%08x mbox_sts[5]=%08x\n",
ha->host_no, mbox_sts[0], mbox_sts[1],
mbox_sts[2], mbox_sts[3], mbox_sts[4],
mbox_sts[5]));
break;
case MBOX_ASTS_MAC_ADDRESS_CHANGED:
case MBOX_ASTS_DNS:
/* No action */
DEBUG2(printk(KERN_INFO "scsi%ld: AEN %04x, "
"mbox_sts[1]=%04x, mbox_sts[2]=%04x\n",
ha->host_no, mbox_sts[0],
mbox_sts[1], mbox_sts[2]));
break;
case MBOX_ASTS_SELF_TEST_FAILED:
case MBOX_ASTS_LOGIN_FAILED:
/* No action */
DEBUG2(printk("scsi%ld: AEN %04x, mbox_sts[1]=%04x, "
"mbox_sts[2]=%04x, mbox_sts[3]=%04x\n",
ha->host_no, mbox_sts[0], mbox_sts[1],
mbox_sts[2], mbox_sts[3]));
break;
case MBOX_ASTS_DATABASE_CHANGED:
/* Queue AEN information and process it in the DPC
* routine */
if (ha->aen_q_count > 0) {
/* decrement available counter */
ha->aen_q_count--;
for (i = 0; i < MBOX_AEN_REG_COUNT; i++)
ha->aen_q[ha->aen_in].mbox_sts[i] =
mbox_sts[i];
/* print debug message */
DEBUG2(printk("scsi%ld: AEN[%d] %04x queued "
"mb1:0x%x mb2:0x%x mb3:0x%x "
"mb4:0x%x mb5:0x%x\n",
ha->host_no, ha->aen_in,
mbox_sts[0], mbox_sts[1],
mbox_sts[2], mbox_sts[3],
mbox_sts[4], mbox_sts[5]));
/* advance pointer */
ha->aen_in++;
if (ha->aen_in == MAX_AEN_ENTRIES)
ha->aen_in = 0;
/* The DPC routine will process the aen */
set_bit(DPC_AEN, &ha->dpc_flags);
} else {
DEBUG2(printk("scsi%ld: %s: aen %04x, queue "
"overflowed! AEN LOST!!\n",
ha->host_no, __func__,
mbox_sts[0]));
DEBUG2(printk("scsi%ld: DUMP AEN QUEUE\n",
ha->host_no));
for (i = 0; i < MAX_AEN_ENTRIES; i++) {
DEBUG2(printk("AEN[%d] %04x %04x %04x "
"%04x\n", i, mbox_sts[0],
mbox_sts[1], mbox_sts[2],
mbox_sts[3]));
}
}
break;
case MBOX_ASTS_TXSCVR_INSERTED:
DEBUG2(printk(KERN_WARNING
"scsi%ld: AEN %04x Transceiver"
" inserted\n", ha->host_no, mbox_sts[0]));
break;
case MBOX_ASTS_TXSCVR_REMOVED:
DEBUG2(printk(KERN_WARNING
"scsi%ld: AEN %04x Transceiver"
" removed\n", ha->host_no, mbox_sts[0]));
break;
case MBOX_ASTS_IDC_REQUEST_NOTIFICATION:
if (is_qla8032(ha) || is_qla8042(ha)) {
DEBUG2(ql4_printk(KERN_INFO, ha,
"scsi%ld: AEN %04x, mbox_sts[1]=%08x, mbox_sts[2]=%08x, mbox_sts[3]=%08x, mbox_sts[4]=%08x\n",
ha->host_no, mbox_sts[0],
mbox_sts[1], mbox_sts[2],
mbox_sts[3], mbox_sts[4]));
opcode = mbox_sts[1] >> 16;
if ((opcode == MBOX_CMD_SET_PORT_CONFIG) ||
(opcode == MBOX_CMD_PORT_RESET)) {
set_bit(DPC_POST_IDC_ACK,
&ha->dpc_flags);
ha->idc_info.request_desc = mbox_sts[1];
ha->idc_info.info1 = mbox_sts[2];
ha->idc_info.info2 = mbox_sts[3];
ha->idc_info.info3 = mbox_sts[4];
qla4xxx_wake_dpc(ha);
}
}
break;
case MBOX_ASTS_IDC_COMPLETE:
if (is_qla8032(ha) || is_qla8042(ha)) {
DEBUG2(ql4_printk(KERN_INFO, ha,
"scsi%ld: AEN %04x, mbox_sts[1]=%08x, mbox_sts[2]=%08x, mbox_sts[3]=%08x, mbox_sts[4]=%08x\n",
ha->host_no, mbox_sts[0],
mbox_sts[1], mbox_sts[2],
mbox_sts[3], mbox_sts[4]));
DEBUG2(ql4_printk(KERN_INFO, ha,
"scsi:%ld: AEN %04x IDC Complete notification\n",
ha->host_no, mbox_sts[0]));
opcode = mbox_sts[1] >> 16;
if (ha->notify_idc_comp)
complete(&ha->idc_comp);
if ((opcode == MBOX_CMD_SET_PORT_CONFIG) ||
(opcode == MBOX_CMD_PORT_RESET))
ha->idc_info.info2 = mbox_sts[3];
if (qla4_83xx_loopback_in_progress(ha)) {
set_bit(AF_LOOPBACK, &ha->flags);
} else {
clear_bit(AF_LOOPBACK, &ha->flags);
if (ha->saved_acb)
set_bit(DPC_RESTORE_ACB,
&ha->dpc_flags);
}
qla4xxx_wake_dpc(ha);
}
break;
case MBOX_ASTS_IPV6_DEFAULT_ROUTER_CHANGED:
DEBUG2(ql4_printk(KERN_INFO, ha,
"scsi%ld: AEN %04x, mbox_sts[1]=%08x, mbox_sts[2]=%08x, mbox_sts[3]=%08x, mbox_sts[4]=%08x mbox_sts[5]=%08x\n",
ha->host_no, mbox_sts[0], mbox_sts[1],
mbox_sts[2], mbox_sts[3], mbox_sts[4],
mbox_sts[5]));
DEBUG2(ql4_printk(KERN_INFO, ha,
"scsi%ld: AEN %04x Received IPv6 default router changed notification\n",
ha->host_no, mbox_sts[0]));
qla4xxx_default_router_changed(ha, mbox_sts);
break;
case MBOX_ASTS_IDC_TIME_EXTEND_NOTIFICATION:
DEBUG2(ql4_printk(KERN_INFO, ha,
"scsi%ld: AEN %04x, mbox_sts[1]=%08x, mbox_sts[2]=%08x, mbox_sts[3]=%08x, mbox_sts[4]=%08x mbox_sts[5]=%08x\n",
ha->host_no, mbox_sts[0], mbox_sts[1],
mbox_sts[2], mbox_sts[3], mbox_sts[4],
mbox_sts[5]));
DEBUG2(ql4_printk(KERN_INFO, ha,
"scsi%ld: AEN %04x Received IDC Extend Timeout notification\n",
ha->host_no, mbox_sts[0]));
/* new IDC timeout */
ha->idc_extend_tmo = mbox_sts[1];
break;
case MBOX_ASTS_INITIALIZATION_FAILED:
DEBUG2(ql4_printk(KERN_INFO, ha,
"scsi%ld: AEN %04x, mbox_sts[3]=%08x\n",
ha->host_no, mbox_sts[0],
mbox_sts[3]));
break;
case MBOX_ASTS_SYSTEM_WARNING_EVENT:
DEBUG2(ql4_printk(KERN_WARNING, ha,
"scsi%ld: AEN %04x, mbox_sts[1]=%08x, mbox_sts[2]=%08x, mbox_sts[3]=%08x, mbox_sts[4]=%08x mbox_sts[5]=%08x\n",
ha->host_no, mbox_sts[0], mbox_sts[1],
mbox_sts[2], mbox_sts[3], mbox_sts[4],
mbox_sts[5]));
break;
case MBOX_ASTS_DCBX_CONF_CHANGE:
DEBUG2(ql4_printk(KERN_INFO, ha,
"scsi%ld: AEN %04x, mbox_sts[1]=%08x, mbox_sts[2]=%08x, mbox_sts[3]=%08x, mbox_sts[4]=%08x mbox_sts[5]=%08x\n",
ha->host_no, mbox_sts[0], mbox_sts[1],
mbox_sts[2], mbox_sts[3], mbox_sts[4],
mbox_sts[5]));
DEBUG2(ql4_printk(KERN_INFO, ha,
"scsi%ld: AEN %04x Received DCBX configuration changed notification\n",
ha->host_no, mbox_sts[0]));
break;
default:
DEBUG2(printk(KERN_WARNING
"scsi%ld: AEN %04x UNKNOWN\n",
ha->host_no, mbox_sts[0]));
break;
}
} else {
DEBUG2(printk("scsi%ld: Unknown mailbox status %08X\n",
ha->host_no, mbox_status));
ha->mbox_status[0] = mbox_status;
}
}