STATIC int NCR_700_host_reset(struct scsi_cmnd * SCpnt);
STATIC void NCR_700_chip_setup(struct Scsi_Host *host);
STATIC void NCR_700_chip_reset(struct Scsi_Host *host);
+STATIC int NCR_700_slave_alloc(struct scsi_device *SDpnt);
STATIC int NCR_700_slave_configure(struct scsi_device *SDpnt);
STATIC void NCR_700_slave_destroy(struct scsi_device *SDpnt);
static int NCR_700_change_queue_depth(struct scsi_device *SDpnt, int depth);
STATIC struct scsi_transport_template *NCR_700_transport_template = NULL;
-struct NCR_700_sense {
- unsigned char cmnd[MAX_COMMAND_SIZE];
-};
-
static char *NCR_700_phase[] = {
"",
"after selection",
tpnt->use_clustering = ENABLE_CLUSTERING;
tpnt->slave_configure = NCR_700_slave_configure;
tpnt->slave_destroy = NCR_700_slave_destroy;
+ tpnt->slave_alloc = NCR_700_slave_alloc;
tpnt->change_queue_depth = NCR_700_change_queue_depth;
tpnt->change_queue_type = NCR_700_change_queue_type;
struct NCR_700_command_slot *slot =
(struct NCR_700_command_slot *)SCp->host_scribble;
- NCR_700_unmap(hostdata, SCp, slot);
+ dma_unmap_single(hostdata->dev, slot->pCmd,
+ sizeof(SCp->cmnd), DMA_TO_DEVICE);
if (slot->flags == NCR_700_FLAG_AUTOSENSE) {
- struct NCR_700_sense *sense = SCp->device->hostdata;
+ char *cmnd = NCR_700_get_sense_cmnd(SCp->device);
#ifdef NCR_700_DEBUG
printk(" ORIGINAL CMD %p RETURNED %d, new return is %d sense is\n",
SCp, SCp->cmnd[7], result);
/* restore the old result if the request sense was
* successful */
if(result == 0)
- result = sense->cmnd[7];
+ result = cmnd[7];
} else
- dma_unmap_single(hostdata->dev, slot->pCmd,
- sizeof(SCp->cmnd), DMA_TO_DEVICE);
+ NCR_700_unmap(hostdata, SCp, slot);
free_slot(slot, hostdata);
#ifdef NCR_700_DEBUG
status_byte(hostdata->status[0]) == COMMAND_TERMINATED) {
struct NCR_700_command_slot *slot =
(struct NCR_700_command_slot *)SCp->host_scribble;
- if(SCp->cmnd[0] == REQUEST_SENSE) {
+ if(slot->flags == NCR_700_FLAG_AUTOSENSE) {
/* OOPS: bad device, returning another
* contingent allegiance condition */
scmd_printk(KERN_ERR, SCp,
"broken device is looping in contingent allegiance: ignoring\n");
NCR_700_scsi_done(hostdata, SCp, hostdata->status[0]);
} else {
- struct NCR_700_sense *sense = SCp->device->hostdata;
+ char *cmnd =
+ NCR_700_get_sense_cmnd(SCp->device);
#ifdef NCR_DEBUG
scsi_print_command(SCp);
printk(" cmd %p has status %d, requesting sense\n",
sizeof(SCp->cmnd),
DMA_TO_DEVICE);
- sense->cmnd[0] = REQUEST_SENSE;
- sense->cmnd[1] = (SCp->device->lun & 0x7) << 5;
- sense->cmnd[2] = 0;
- sense->cmnd[3] = 0;
- sense->cmnd[4] = sizeof(SCp->sense_buffer);
- sense->cmnd[5] = 0;
+ cmnd[0] = REQUEST_SENSE;
+ cmnd[1] = (SCp->device->lun & 0x7) << 5;
+ cmnd[2] = 0;
+ cmnd[3] = 0;
+ cmnd[4] = sizeof(SCp->sense_buffer);
+ cmnd[5] = 0;
/* Here's a quiet hack: the
* REQUEST_SENSE command is six bytes,
* so store a flag indicating that
* this was an internal sense request
* and the original status at the end
* of the command */
- sense->cmnd[6] = NCR_700_INTERNAL_SENSE_MAGIC;
- sense->cmnd[7] = hostdata->status[0];
- slot->pCmd = dma_map_single(hostdata->dev, sense->cmnd, sizeof(sense->cmnd), DMA_TO_DEVICE);
+ cmnd[6] = NCR_700_INTERNAL_SENSE_MAGIC;
+ cmnd[7] = hostdata->status[0];
+ slot->pCmd = dma_map_single(hostdata->dev, cmnd, MAX_COMMAND_SIZE, DMA_TO_DEVICE);
slot->dma_handle = dma_map_single(hostdata->dev, SCp->sense_buffer, sizeof(SCp->sense_buffer), DMA_FROM_DEVICE);
slot->SG[0].ins = bS_to_host(SCRIPT_MOVE_DATA_IN | sizeof(SCp->sense_buffer));
slot->SG[0].pAddr = bS_to_host(slot->dma_handle);
/* clear all the negotiated parameters */
__shost_for_each_device(SDp, host)
- SDp->hostdata = NULL;
+ NCR_700_clear_flag(SDp, ~0);
/* clear all the slots and their pending commands */
for(i = 0; i < NCR_700_COMMAND_SLOTS_PER_HOST; i++) {
spi_flags(STp) |= NCR_700_DEV_PRINT_SYNC_NEGOTIATION;
}
+STATIC int
+NCR_700_slave_alloc(struct scsi_device *SDp)
+{
+ SDp->hostdata = kzalloc(sizeof(struct NCR_700_Device_Parameters),
+ GFP_KERNEL);
+ if (!SDp->hostdata)
+ return -ENOMEM;
+
+ return 0;
+}
STATIC int
NCR_700_slave_configure(struct scsi_device *SDp)
struct NCR_700_Host_Parameters *hostdata =
(struct NCR_700_Host_Parameters *)SDp->host->hostdata[0];
- SDp->hostdata = kmalloc(GFP_KERNEL, sizeof(struct NCR_700_sense));
-
- if (!SDp->hostdata)
- return -ENOMEM;
-
/* to do here: allocate memory; build a queue_full list */
if(SDp->tagged_supported) {
scsi_set_tag_type(SDp, MSG_ORDERED_TAG);