diff options
Diffstat (limited to 'drivers/scsi/aacraid/comminit.c')
-rw-r--r-- | drivers/scsi/aacraid/comminit.c | 49 |
1 files changed, 44 insertions, 5 deletions
diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c index 1bc623ad3faf..0dc7b5a4fea2 100644 --- a/drivers/scsi/aacraid/comminit.c +++ b/drivers/scsi/aacraid/comminit.c @@ -42,6 +42,8 @@ #include <linux/completion.h> #include <linux/mm.h> #include <scsi/scsi_host.h> +#include <scsi/scsi_device.h> +#include <scsi/scsi_cmnd.h> #include "aacraid.h" @@ -284,6 +286,38 @@ static void aac_queue_init(struct aac_dev * dev, struct aac_queue * q, u32 *mem, q->entries = qsize; } +static void aac_wait_for_io_completion(struct aac_dev *aac) +{ + unsigned long flagv = 0; + int i = 0; + + for (i = 60; i; --i) { + struct scsi_device *dev; + struct scsi_cmnd *command; + int active = 0; + + __shost_for_each_device(dev, aac->scsi_host_ptr) { + spin_lock_irqsave(&dev->list_lock, flagv); + list_for_each_entry(command, &dev->cmd_list, list) { + if (command->SCp.phase == AAC_OWNER_FIRMWARE) { + active++; + break; + } + } + spin_unlock_irqrestore(&dev->list_lock, flagv); + if (active) + break; + + } + /* + * We can exit If all the commands are complete + */ + if (active == 0) + break; + ssleep(1); + } +} + /** * aac_send_shutdown - shutdown an adapter * @dev: Adapter to shutdown @@ -295,12 +329,10 @@ int aac_send_shutdown(struct aac_dev * dev) { struct fib * fibctx; struct aac_close *cmd; - int status; + int status = 0; - fibctx = aac_fib_alloc(dev); - if (!fibctx) - return -ENOMEM; - aac_fib_init(fibctx); + if (aac_adapter_check_health(dev)) + return status; if (!dev->adapter_shutdown) { mutex_lock(&dev->ioctl_mutex); @@ -308,6 +340,13 @@ int aac_send_shutdown(struct aac_dev * dev) mutex_unlock(&dev->ioctl_mutex); } + aac_wait_for_io_completion(dev); + + fibctx = aac_fib_alloc(dev); + if (!fibctx) + return -ENOMEM; + aac_fib_init(fibctx); + cmd = (struct aac_close *) fib_data(fibctx); cmd->command = cpu_to_le32(VM_CloseAll); cmd->cid = cpu_to_le32(0xfffffffe); |