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[SCSI] qla2xxx: Query additional RISC information during a pause. 

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Andrew Vasquez 2007-09-20 14:07:37 -07:00 committed by James Bottomley
parent 14e660e677
commit 05236a050f
2 changed files with 56 additions and 1 deletions
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4
drivers/scsi/qla2xxx/qla_fw.h
View File

@ -942,7 +942,9 @@ struct device_reg_24xx {
uint16_t mailbox31;
uint32_t iobase_window;
uint32_t unused_4[8]; /* Gap. */
uint32_t unused_4; /* Gap. */
uint32_t iobase_c8;
uint32_t unused_4_1[6]; /* Gap. */
uint32_t iobase_q;
uint32_t unused_5[2]; /* Gap. */
uint32_t iobase_select;

53
drivers/scsi/qla2xxx/qla_isr.c
View File

@ -6,6 +6,7 @@
*/
#include "qla_def.h"
#include <linux/delay.h>
#include <scsi/scsi_tcq.h>
static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);
@ -1484,6 +1485,52 @@ qla24xx_process_response_queue(struct scsi_qla_host *ha)
WRT_REG_DWORD(&reg->rsp_q_out, ha->rsp_ring_index);
}
static void
qla2xxx_check_risc_status(scsi_qla_host_t *ha)
{
int rval;
uint32_t cnt;
struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
if (!IS_QLA25XX(ha))
return;
rval = QLA_SUCCESS;
WRT_REG_DWORD(&reg->iobase_addr, 0x7C00);
RD_REG_DWORD(&reg->iobase_addr);
WRT_REG_DWORD(&reg->iobase_window, 0x0001);
for (cnt = 10000; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
rval == QLA_SUCCESS; cnt--) {
if (cnt) {
WRT_REG_DWORD(&reg->iobase_window, 0x0001);
udelay(10);
} else
rval = QLA_FUNCTION_TIMEOUT;
}
if (rval == QLA_SUCCESS)
goto next_test;
WRT_REG_DWORD(&reg->iobase_window, 0x0003);
for (cnt = 100; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
rval == QLA_SUCCESS; cnt--) {
if (cnt) {
WRT_REG_DWORD(&reg->iobase_window, 0x0003);
udelay(10);
} else
rval = QLA_FUNCTION_TIMEOUT;
}
if (rval != QLA_SUCCESS)
goto done;
next_test:
if (RD_REG_DWORD(&reg->iobase_c8) & BIT_3)
qla_printk(KERN_INFO, ha, "Additional code -- 0x55AA.\n");
done:
WRT_REG_DWORD(&reg->iobase_window, 0x0000);
RD_REG_DWORD(&reg->iobase_window);
}
/**
* qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
* @irq:
@ -1526,6 +1573,9 @@ qla24xx_intr_handler(int irq, void *dev_id)
qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, "
"Dumping firmware!\n", hccr);
qla2xxx_check_risc_status(ha);
ha->isp_ops->fw_dump(ha, 1);
set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
break;
@ -1663,6 +1713,9 @@ qla24xx_msix_default(int irq, void *dev_id)
qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, "
"Dumping firmware!\n", hccr);
qla2xxx_check_risc_status(ha);
ha->isp_ops->fw_dump(ha, 1);
set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
break;