diff options
| author | Lalit Chandivade <lalit.chandivade@qlogic.com> | 2009-03-24 09:08:07 -0700 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2009-04-03 09:22:49 -0500 |
| commit | 2533cf671da0603129c8af9c31c735e1d2654e20 (patch) | |
| tree | 3ef7f6c0b4266823c07bc0687ac9009e1cc281c0 /drivers/scsi/qla2xxx/qla_os.c | |
| parent | 1d2874de809a14e6780246b99a18bbc0fc0a8f2a (diff) | |
[SCSI] qla2xxx: Correct ISP abort semantics for NVRAM, VPD, and flash update.
Ensure that an ISP-abort has completed before performing any
update. After the update do not wait for an ISP-abort completion,
instead just wait until the ISP is reset. This avoids long
delays due to waiting for loop ready in qla2x00_abort_isp().
Signed-off-by: Lalit Chandivade <lalit.chandivade@qlogic.com>
Additional cleanups and
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_os.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_os.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index c7954612ef11..1c3d165c035b 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -535,6 +535,34 @@ qla2x00_wait_for_hba_online(scsi_qla_host_t *vha) return (return_status); } +int +qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha) +{ + int return_status; + unsigned long wait_reset; + struct qla_hw_data *ha = vha->hw; + scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); + + wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ); + while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) || + test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) || + test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) || + ha->dpc_active) && time_before(jiffies, wait_reset)) { + + msleep(1000); + + if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) && + ha->flags.chip_reset_done) + break; + } + if (ha->flags.chip_reset_done) + return_status = QLA_SUCCESS; + else + return_status = QLA_FUNCTION_FAILED; + + return return_status; +} + /* * qla2x00_wait_for_loop_ready * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop |