Commit d14e72fb authored by Himanshu Madhani's avatar Himanshu Madhani Committed by James Bottomley

qla2xxx: Add debugging info for MBX timeout.

Signed-off-by: default avatarGiridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: default avatarHimanshu Madhani <himanshu.madhani@qlogic.com>
Reviewed-by: default avatarHannes Reinecke <hare@suse.de>
Signed-off-by: default avatarJames Bottomley <JBottomley@Odin.com>
parent 064135e0
......@@ -11,7 +11,7 @@
* ----------------------------------------------------------------------
* | Level | Last Value Used | Holes |
* ----------------------------------------------------------------------
* | Module Init and Probe | 0x017d | 0x0144,0x0146 |
* | Module Init and Probe | 0x017f | 0x0146 |
* | | | 0x015b-0x0160 |
* | | | 0x016e-0x0170 |
* | Mailbox commands | 0x118d | 0x1115-0x1116 |
......
......@@ -3300,6 +3300,8 @@ struct qla_hw_data {
#define RISC_RDY_AFT_RESET 3
#define RISC_SRAM_DUMP_CMPL 4
#define RISC_EXT_MEM_DUMP_CMPL 5
#define ISP_MBX_RDY 6
#define ISP_SOFT_RESET_CMPL 7
int fw_dump_reading;
int prev_minidump_failed;
dma_addr_t eft_dma;
......
......@@ -1121,7 +1121,7 @@ qla81xx_reset_mpi(scsi_qla_host_t *vha)
*
* Returns 0 on success.
*/
static inline void
static inline int
qla24xx_reset_risc(scsi_qla_host_t *vha)
{
unsigned long flags = 0;
......@@ -1130,6 +1130,7 @@ qla24xx_reset_risc(scsi_qla_host_t *vha)
uint32_t cnt, d2;
uint16_t wd;
static int abts_cnt; /* ISP abort retry counts */
int rval = QLA_SUCCESS;
spin_lock_irqsave(&ha->hardware_lock, flags);
......@@ -1142,26 +1143,57 @@ qla24xx_reset_risc(scsi_qla_host_t *vha)
udelay(10);
}
if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE))
set_bit(DMA_SHUTDOWN_CMPL, &ha->fw_dump_cap_flags);
ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017e,
"HCCR: 0x%x, Control Status %x, DMA active status:0x%x\n",
RD_REG_DWORD(&reg->hccr),
RD_REG_DWORD(&reg->ctrl_status),
(RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE));
WRT_REG_DWORD(&reg->ctrl_status,
CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
udelay(100);
/* Wait for firmware to complete NVRAM accesses. */
d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
for (cnt = 10000 ; cnt && d2; cnt--) {
udelay(5);
d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
for (cnt = 10000; RD_REG_WORD(&reg->mailbox0) != 0 &&
rval == QLA_SUCCESS; cnt--) {
barrier();
if (cnt)
udelay(5);
else
rval = QLA_FUNCTION_TIMEOUT;
}
if (rval == QLA_SUCCESS)
set_bit(ISP_MBX_RDY, &ha->fw_dump_cap_flags);
ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017f,
"HCCR: 0x%x, MailBox0 Status 0x%x\n",
RD_REG_DWORD(&reg->hccr),
RD_REG_DWORD(&reg->mailbox0));
/* Wait for soft-reset to complete. */
d2 = RD_REG_DWORD(&reg->ctrl_status);
for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
udelay(5);
d2 = RD_REG_DWORD(&reg->ctrl_status);
for (cnt = 0; cnt < 6000000; cnt++) {
barrier();
if ((RD_REG_DWORD(&reg->ctrl_status) &
CSRX_ISP_SOFT_RESET) == 0)
break;
udelay(5);
}
if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_ISP_SOFT_RESET))
set_bit(ISP_SOFT_RESET_CMPL, &ha->fw_dump_cap_flags);
ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015d,
"HCCR: 0x%x, Soft Reset status: 0x%x\n",
RD_REG_DWORD(&reg->hccr),
RD_REG_DWORD(&reg->ctrl_status));
/* If required, do an MPI FW reset now */
if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
......@@ -1190,16 +1222,32 @@ qla24xx_reset_risc(scsi_qla_host_t *vha)
RD_REG_DWORD(&reg->hccr);
d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
for (cnt = 6000000 ; cnt && d2; cnt--) {
udelay(5);
d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
for (cnt = 6000000; RD_REG_WORD(&reg->mailbox0) != 0 &&
rval == QLA_SUCCESS; cnt--) {
barrier();
if (cnt)
udelay(5);
else
rval = QLA_FUNCTION_TIMEOUT;
}
if (rval == QLA_SUCCESS)
set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags);
ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015e,
"Host Risc 0x%x, mailbox0 0x%x\n",
RD_REG_DWORD(&reg->hccr),
RD_REG_WORD(&reg->mailbox0));
spin_unlock_irqrestore(&ha->hardware_lock, flags);
ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015f,
"Driver in %s mode\n",
IS_NOPOLLING_TYPE(ha) ? "Interrupt" : "Polling");
if (IS_NOPOLLING_TYPE(ha))
ha->isp_ops->enable_intrs(ha);
return rval;
}
static void
......
......@@ -33,7 +33,7 @@
static int
qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
{
int rval;
int rval, i;
unsigned long flags = 0;
device_reg_t *reg;
uint8_t abort_active;
......@@ -43,10 +43,12 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
uint16_t __iomem *optr;
uint32_t cnt;
uint32_t mboxes;
uint16_t __iomem *mbx_reg;
unsigned long wait_time;
struct qla_hw_data *ha = vha->hw;
scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
ql_dbg(ql_dbg_mbx, vha, 0x1000, "Entered %s.\n", __func__);
if (ha->pdev->error_state > pci_channel_io_frozen) {
......@@ -376,6 +378,18 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
ql_dbg(ql_dbg_disc, base_vha, 0x1020,
"**** Failed mbx[0]=%x, mb[1]=%x, mb[2]=%x, mb[3]=%x, cmd=%x ****.\n",
mcp->mb[0], mcp->mb[1], mcp->mb[2], mcp->mb[3], command);
ql_dbg(ql_dbg_disc, vha, 0x1115,
"host status: 0x%x, flags:0x%lx, intr ctrl reg:0x%x, intr status:0x%x\n",
RD_REG_DWORD(&reg->isp24.host_status),
ha->fw_dump_cap_flags,
RD_REG_DWORD(&reg->isp24.ictrl),
RD_REG_DWORD(&reg->isp24.istatus));
mbx_reg = &reg->isp24.mailbox0;
for (i = 0; i < 6; i++)
ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0x1116,
"mbox[%d] 0x%04x\n", i, RD_REG_WORD(mbx_reg++));
} else {
ql_dbg(ql_dbg_mbx, base_vha, 0x1021, "Done %s.\n", __func__);
}
......
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