static void channel_rescan(void *data)
{
struct rescan_wrapper* rescan = (struct rescan_wrapper*)data;
struct Scsi_Host *host;
struct scsi_device *sdev = NULL;
MV_U16 target;
if (rescan->pAdapter->host[rescan->channelIndex] == NULL)
{
kfree(rescan);
return;
}
host = rescan->pAdapter->host[rescan->channelIndex]->scsihost;
down(&rescan->pAdapter->rescan_mutex);
if (atomic_read(&rescan->pAdapter->stopped) > 0)
{
up(&rescan->pAdapter->rescan_mutex);
kfree(rescan);
return;
}
mvLogMsg(MV_IAL_LOG_ID, MV_DEBUG, "[%d %d] channel_rescan(): "
"targets to add 0x%X, targets to remove 0x%X\n",
rescan->pAdapter->mvSataAdapter.adapterId,
rescan->channelIndex,
rescan->targetsToRemove,
rescan->targetsToAdd);
for (target = 0; (rescan->targetsToRemove != 0) && (target < host->max_id); target++)
{
if (rescan->targetsToRemove & (1 << target))
{
sdev = scsi_device_lookup(host, 0, target, 0);
if (sdev != NULL)
{
scsi_device_cancel(sdev, 0);
scsi_remove_device(sdev);
scsi_device_put(sdev);
}
}
}
sdev = NULL;
for (target = 0; (rescan->targetsToAdd != 0) && (target < host->max_id); target++)
{
if (rescan->targetsToAdd & (1 << target))
{
sdev = scsi_add_device(host, 0, target, 0);
if (NULL == sdev)
{
mvLogMsg(MV_IAL_LOG_ID,
MV_DEBUG_ERROR,
"[%d %d %d] Error adding scsi device\n",
rescan->pAdapter->mvSataAdapter.adapterId,
rescan->channelIndex,
target);
}
}
}
up(&rescan->pAdapter->rescan_mutex);
kfree(rescan);
}
/**
* scsi_host_cancel - cancel outstanding IO to this host
* @shost: pointer to struct Scsi_Host
* recovery: recovery requested to run.
**/
void scsi_host_cancel(struct Scsi_Host *shost, int recovery)
{
struct scsi_device *sdev;
set_bit(SHOST_CANCEL, &shost->shost_state);
shost_for_each_device(sdev, shost) {
scsi_device_cancel(sdev, recovery);
}
