diff options
Diffstat (limited to 'drivers/scsi/cxlflash/main.c')
| -rw-r--r-- | drivers/scsi/cxlflash/main.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/scsi/cxlflash/main.c b/drivers/scsi/cxlflash/main.c index 6150d29e1d68..d0eed076fa72 100644 --- a/drivers/scsi/cxlflash/main.c +++ b/drivers/scsi/cxlflash/main.c @@ -1962,6 +1962,11 @@ retry: * cxlflash_eh_host_reset_handler() - reset the host adapter * @scp: SCSI command from stack identifying host. * + * Following a reset, the state is evaluated again in case an EEH occurred + * during the reset. In such a scenario, the host reset will either yield + * until the EEH recovery is complete or return success or failure based + * upon the current device state. + * * Return: * SUCCESS as defined in scsi/scsi.h * FAILED as defined in scsi/scsi.h @@ -1993,7 +1998,8 @@ static int cxlflash_eh_host_reset_handler(struct scsi_cmnd *scp) } else cfg->state = STATE_NORMAL; wake_up_all(&cfg->reset_waitq); - break; + ssleep(1); + /* fall through */ case STATE_RESET: wait_event(cfg->reset_waitq, cfg->state != STATE_RESET); if (cfg->state == STATE_NORMAL) @@ -2534,6 +2540,9 @@ static void drain_ioctls(struct cxlflash_cfg *cfg) * @pdev: PCI device struct. * @state: PCI channel state. * + * When an EEH occurs during an active reset, wait until the reset is + * complete and then take action based upon the device state. + * * Return: PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT */ static pci_ers_result_t cxlflash_pci_error_detected(struct pci_dev *pdev, @@ -2547,6 +2556,10 @@ static pci_ers_result_t cxlflash_pci_error_detected(struct pci_dev *pdev, switch (state) { case pci_channel_io_frozen: + wait_event(cfg->reset_waitq, cfg->state != STATE_RESET); + if (cfg->state == STATE_FAILTERM) + return PCI_ERS_RESULT_DISCONNECT; + cfg->state = STATE_RESET; scsi_block_requests(cfg->host); drain_ioctls(cfg); |