diff options
| author | Himanshu Madhani <himanshu.madhani@qlogic.com> | 2015-04-09 15:00:03 -0400 |
|---|---|---|
| committer | James Bottomley <JBottomley@Odin.com> | 2015-04-10 08:42:30 -0700 |
| commit | d14e72fb859cf9a767ce3758342466883611cc57 (patch) | |
| tree | 3b800a971e74c7419c4f061f67fcb865a6148b9e /drivers/scsi/qla2xxx/qla_mbx.c | |
| parent | 064135e01e0abc21bad9dfb9ae42d0b88c87ed32 (diff) | |
qla2xxx: Add debugging info for MBX timeout.
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_mbx.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_mbx.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index fe7b87d4ed86..02b1c1c5355b 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -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 @@ mbx_done: 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(®->isp24.host_status), + ha->fw_dump_cap_flags, + RD_REG_DWORD(®->isp24.ictrl), + RD_REG_DWORD(®->isp24.istatus)); + + mbx_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__); } |