diff options
Diffstat (limited to 'drivers/scsi/53c700.c')
| -rw-r--r-- | drivers/scsi/53c700.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c index f4c4fe90240..a3adfb4357f 100644 --- a/drivers/scsi/53c700.c +++ b/drivers/scsi/53c700.c @@ -117,6 +117,7 @@ #include <linux/kernel.h> #include <linux/types.h> #include <linux/string.h> +#include <linux/slab.h> #include <linux/ioport.h> #include <linux/delay.h> #include <linux/spinlock.h> @@ -128,7 +129,6 @@ #include <linux/interrupt.h> #include <linux/device.h> #include <asm/dma.h> -#include <asm/system.h> #include <asm/io.h> #include <asm/pgtable.h> #include <asm/byteorder.h> @@ -166,7 +166,7 @@ MODULE_LICENSE("GPL"); #include "53c700_d.h" -STATIC int NCR_700_queuecommand(struct scsi_cmnd *, void (*done)(struct scsi_cmnd *)); +STATIC int NCR_700_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *); STATIC int NCR_700_abort(struct scsi_cmnd * SCpnt); STATIC int NCR_700_bus_reset(struct scsi_cmnd * SCpnt); STATIC int NCR_700_host_reset(struct scsi_cmnd * SCpnt); @@ -175,7 +175,7 @@ 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 int NCR_700_change_queue_depth(struct scsi_device *SDpnt, int depth, int reason); static int NCR_700_change_queue_type(struct scsi_device *SDpnt, int depth); STATIC struct device_attribute *NCR_700_dev_attrs[]; @@ -308,9 +308,6 @@ NCR_700_detect(struct scsi_host_template *tpnt, hostdata->msgin = memory + MSGIN_OFFSET; hostdata->msgout = memory + MSGOUT_OFFSET; hostdata->status = memory + STATUS_OFFSET; - /* all of these offsets are L1_CACHE_BYTES separated. It is fatal - * if this isn't sufficient separation to avoid dma flushing issues */ - BUG_ON(!dma_is_consistent(hostdata->dev, pScript) && L1_CACHE_BYTES < dma_get_cache_alignment()); hostdata->slots = (struct NCR_700_command_slot *)(memory + SLOTS_OFFSET); hostdata->dev = dev; @@ -599,7 +596,7 @@ NCR_700_scsi_done(struct NCR_700_Host_Parameters *hostdata, (struct NCR_700_command_slot *)SCp->host_scribble; dma_unmap_single(hostdata->dev, slot->pCmd, - sizeof(SCp->cmnd), DMA_TO_DEVICE); + MAX_COMMAND_SIZE, DMA_TO_DEVICE); if (slot->flags == NCR_700_FLAG_AUTOSENSE) { char *cmnd = NCR_700_get_sense_cmnd(SCp->device); #ifdef NCR_700_DEBUG @@ -1004,7 +1001,7 @@ process_script_interrupt(__u32 dsps, __u32 dsp, struct scsi_cmnd *SCp, * here */ NCR_700_unmap(hostdata, SCp, slot); dma_unmap_single(hostdata->dev, slot->pCmd, - sizeof(SCp->cmnd), + MAX_COMMAND_SIZE, DMA_TO_DEVICE); cmnd[0] = REQUEST_SENSE; @@ -1491,7 +1488,7 @@ NCR_700_intr(int irq, void *dev_id) unsigned long flags; int handled = 0; - /* Use the host lock to serialise acess to the 53c700 + /* Use the host lock to serialise access to the 53c700 * hardware. Note: In future, we may need to take the queue * lock to enter the done routines. When that happens, we * need to ensure that for this driver, the host lock and the @@ -1751,8 +1748,8 @@ NCR_700_intr(int irq, void *dev_id) return IRQ_RETVAL(handled); } -STATIC int -NCR_700_queuecommand(struct scsi_cmnd *SCp, void (*done)(struct scsi_cmnd *)) +static int +NCR_700_queuecommand_lck(struct scsi_cmnd *SCp, void (*done)(struct scsi_cmnd *)) { struct NCR_700_Host_Parameters *hostdata = (struct NCR_700_Host_Parameters *)SCp->device->host->hostdata[0]; @@ -1901,11 +1898,13 @@ NCR_700_queuecommand(struct scsi_cmnd *SCp, void (*done)(struct scsi_cmnd *)) } slot->resume_offset = 0; slot->pCmd = dma_map_single(hostdata->dev, SCp->cmnd, - sizeof(SCp->cmnd), DMA_TO_DEVICE); + MAX_COMMAND_SIZE, DMA_TO_DEVICE); NCR_700_start_command(SCp); return 0; } +STATIC DEF_SCSI_QCMD(NCR_700_queuecommand) + STATIC int NCR_700_abort(struct scsi_cmnd * SCp) { @@ -2082,8 +2081,11 @@ NCR_700_slave_destroy(struct scsi_device *SDp) } static int -NCR_700_change_queue_depth(struct scsi_device *SDp, int depth) +NCR_700_change_queue_depth(struct scsi_device *SDp, int depth, int reason) { + if (reason != SCSI_QDEPTH_DEFAULT) + return -EOPNOTSUPP; + if (depth > NCR_700_MAX_TAGS) depth = NCR_700_MAX_TAGS; |