/**
* qla24xx_process_response_queue() - Process response queue entries.
* @ha: SCSI driver HA context
*/
void
qla24xx_process_response_queue(struct scsi_qla_host *ha)
{
struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
struct sts_entry_24xx *pkt;
if (!ha->flags.online)
return;
while (ha->response_ring_ptr->signature != RESPONSE_PROCESSED) {
pkt = (struct sts_entry_24xx *)ha->response_ring_ptr;
ha->rsp_ring_index++;
if (ha->rsp_ring_index == ha->response_q_length) {
ha->rsp_ring_index = 0;
ha->response_ring_ptr = ha->response_ring;
} else {
ha->response_ring_ptr++;
}
if (pkt->entry_status != 0) {
DEBUG3(printk(KERN_INFO
"scsi(%ld): Process error entry.\n", ha->host_no));
qla2x00_error_entry(ha, (sts_entry_t *) pkt);
((response_t *)pkt)->signature = RESPONSE_PROCESSED;
wmb();
continue;
}
switch (pkt->entry_type) {
case STATUS_TYPE:
qla2x00_status_entry(ha, pkt);
break;
case STATUS_CONT_TYPE:
qla2x00_status_cont_entry(ha, (sts_cont_entry_t *)pkt);
break;
case MS_IOCB_TYPE:
qla24xx_ms_entry(ha, (struct ct_entry_24xx *)pkt);
break;
default:
/* Type Not Supported. */
DEBUG4(printk(KERN_WARNING
"scsi(%ld): Received unknown response pkt type %x "
"entry status=%x.\n",
ha->host_no, pkt->entry_type, pkt->entry_status));
break;
}
((response_t *)pkt)->signature = RESPONSE_PROCESSED;
wmb();
}
/* Adjust ring index */
WRT_REG_DWORD(®->rsp_q_out, ha->rsp_ring_index);
}
/**
* qla2x00_process_response_queue() - Process response queue entries.
* @ha: SCSI driver HA context
*/
void
qla2x00_process_response_queue(struct scsi_qla_host *ha)
{
device_reg_t *reg = ha->iobase;
sts_entry_t *pkt;
uint16_t handle_cnt;
uint16_t cnt;
if (!ha->flags.online)
return;
while (ha->response_ring_ptr->signature != RESPONSE_PROCESSED) {
pkt = (sts_entry_t *)ha->response_ring_ptr;
ha->rsp_ring_index++;
if (ha->rsp_ring_index == ha->response_q_length) {
ha->rsp_ring_index = 0;
ha->response_ring_ptr = ha->response_ring;
} else {
ha->response_ring_ptr++;
}
if (pkt->entry_status != 0) {
DEBUG3(printk(KERN_INFO
"scsi(%ld): Process error entry.\n", ha->host_no));
qla2x00_error_entry(ha, pkt);
((response_t *)pkt)->signature = RESPONSE_PROCESSED;
wmb();
continue;
}
switch (pkt->entry_type) {
case STATUS_TYPE:
qla2x00_status_entry(ha, pkt);
break;
case STATUS_TYPE_21:
handle_cnt = ((sts21_entry_t *)pkt)->handle_count;
for (cnt = 0; cnt < handle_cnt; cnt++) {
qla2x00_process_completed_request(ha,
((sts21_entry_t *)pkt)->handle[cnt]);
}
break;
case STATUS_TYPE_22:
handle_cnt = ((sts22_entry_t *)pkt)->handle_count;
for (cnt = 0; cnt < handle_cnt; cnt++) {
qla2x00_process_completed_request(ha,
((sts22_entry_t *)pkt)->handle[cnt]);
}
break;
case STATUS_CONT_TYPE:
qla2x00_status_cont_entry(ha, (sts_cont_entry_t *)pkt);
break;
case MS_IOCB_TYPE:
qla2x00_ms_entry(ha, (ms_iocb_entry_t *)pkt);
break;
case MBX_IOCB_TYPE:
if (!IS_QLA2100(ha) && !IS_QLA2200(ha) &&
!IS_QLA6312(ha) && !IS_QLA6322(ha)) {
if (pkt->sys_define == SOURCE_ASYNC_IOCB) {
qla2x00_process_iodesc(ha,
(struct mbx_entry *)pkt);
} else {
/* MBX IOCB Type Not Supported. */
DEBUG4(printk(KERN_WARNING
"scsi(%ld): Received unknown MBX "
"IOCB response pkt type=%x "
"source=%x entry status=%x.\n",
ha->host_no, pkt->entry_type,
pkt->sys_define,
pkt->entry_status));
}
break;
}
/* Fallthrough. */
default:
/* Type Not Supported. */
DEBUG4(printk(KERN_WARNING
"scsi(%ld): Received unknown response pkt type %x "
"entry status=%x.\n",
ha->host_no, pkt->entry_type, pkt->entry_status));
break;
}
((response_t *)pkt)->signature = RESPONSE_PROCESSED;
wmb();
}
/* Adjust ring index */
WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), ha->rsp_ring_index);
}