diff options
Diffstat (limited to 'drivers/scsi/aacraid/commsup.c')
| -rw-r--r-- | drivers/scsi/aacraid/commsup.c | 39 |
1 files changed, 35 insertions, 4 deletions
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c index 511bbc575062..0aeecec1f5ea 100644 --- a/drivers/scsi/aacraid/commsup.c +++ b/drivers/scsi/aacraid/commsup.c @@ -637,10 +637,10 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size, } return -EFAULT; } - /* We used to udelay() here but that absorbed - * a CPU when a timeout occured. Not very - * useful. */ - cpu_relax(); + /* + * Allow other processes / CPUS to use core + */ + schedule(); } } else if (down_interruptible(&fibptr->event_wait)) { /* Do nothing ... satisfy @@ -901,6 +901,31 @@ void aac_printf(struct aac_dev *dev, u32 val) memset(cp, 0, 256); } +static inline int aac_aif_data(struct aac_aifcmd *aifcmd, uint32_t index) +{ + return le32_to_cpu(((__le32 *)aifcmd->data)[index]); +} + + +static void aac_handle_aif_bu(struct aac_dev *dev, struct aac_aifcmd *aifcmd) +{ + switch (aac_aif_data(aifcmd, 1)) { + case AifBuCacheDataLoss: + if (aac_aif_data(aifcmd, 2)) + dev_info(&dev->pdev->dev, "Backup unit had cache data loss - [%d]\n", + aac_aif_data(aifcmd, 2)); + else + dev_info(&dev->pdev->dev, "Backup Unit had cache data loss\n"); + break; + case AifBuCacheDataRecover: + if (aac_aif_data(aifcmd, 2)) + dev_info(&dev->pdev->dev, "DDR cache data recovered successfully - [%d]\n", + aac_aif_data(aifcmd, 2)); + else + dev_info(&dev->pdev->dev, "DDR cache data recovered successfully\n"); + break; + } +} /** * aac_handle_aif - Handle a message from the firmware @@ -1154,6 +1179,8 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr) ADD : DELETE; break; } + case AifBuManagerEvent: + aac_handle_aif_bu(dev, aifcmd); break; } @@ -1996,6 +2023,10 @@ int aac_command_thread(void *data) if (difference <= 0) difference = 1; set_current_state(TASK_INTERRUPTIBLE); + + if (kthread_should_stop()) + break; + schedule_timeout(difference); if (kthread_should_stop()) |