#include <linux/kernel.h>
#include <linux/ioport.h>
#include <linux/delay.h>
-#include <linux/sched.h>
#include <linux/pci.h>
#include <linux/proc_fs.h>
#include <linux/blkdev.h>
}
}
scb_count = min( (i-1), p->scb_data->maxscbs - p->scb_data->numscbs);
- scb_ap = (struct aic7xxx_scb *)kmalloc(sizeof (struct aic7xxx_scb) * scb_count
+ scb_ap = kmalloc(sizeof (struct aic7xxx_scb) * scb_count
+ sizeof(struct aic7xxx_scb_dma), GFP_ATOMIC);
if (scb_ap == NULL)
return(0);
while (p->completeq.head != NULL) {
cmd = p->completeq.head;
- p->completeq.head = (struct scsi_Cmnd *) cmd->host_scribble;
+ p->completeq.head = (struct scsi_cmnd *) cmd->host_scribble;
cmd->host_scribble = NULL;
cmd->scsi_done(cmd);
}
struct aic7xxx_scb *scbp;
unsigned char queue_depth;
- if (cmd->use_sg > 1)
- {
- struct scatterlist *sg;
+ scsi_dma_unmap(cmd);
- sg = (struct scatterlist *)cmd->request_buffer;
- pci_unmap_sg(p->pdev, sg, cmd->use_sg, cmd->sc_data_direction);
- }
- else if (cmd->request_bufflen)
- pci_unmap_single(p->pdev, aic7xxx_mapping(cmd),
- cmd->request_bufflen,
- cmd->sc_data_direction);
if (scb->flags & SCB_SENSE)
{
pci_unmap_single(p->pdev,
le32_to_cpu(scb->sg_list[0].address),
- sizeof(cmd->sense_buffer),
+ SCSI_SENSE_BUFFERSIZE,
PCI_DMA_FROMDEVICE);
}
if (scb->flags & SCB_RECOVERY_SCB)
* the mid layer didn't check residual data counts to see if the
* command needs retried.
*/
- cmd->resid = scb->sg_length - actual;
+ scsi_set_resid(cmd, scb->sg_length - actual);
aic7xxx_status(cmd) = hscb->target_status;
}
}
sizeof(generic_sense));
scb->sense_cmd[1] = (cmd->device->lun << 5);
- scb->sense_cmd[4] = sizeof(cmd->sense_buffer);
+ scb->sense_cmd[4] = SCSI_SENSE_BUFFERSIZE;
scb->sg_list[0].length =
- cpu_to_le32(sizeof(cmd->sense_buffer));
+ cpu_to_le32(SCSI_SENSE_BUFFERSIZE);
scb->sg_list[0].address =
cpu_to_le32(pci_map_single(p->pdev, cmd->sense_buffer,
- sizeof(cmd->sense_buffer),
+ SCSI_SENSE_BUFFERSIZE,
PCI_DMA_FROMDEVICE));
/*
hscb->residual_data_count[2] = 0;
scb->sg_count = hscb->SG_segment_count = 1;
- scb->sg_length = sizeof(cmd->sense_buffer);
+ scb->sg_length = SCSI_SENSE_BUFFERSIZE;
scb->tag_action = 0;
scb->flags |= SCB_SENSE;
/*
* SCSI controller interrupt handler.
*-F*************************************************************************/
static void
-aic7xxx_isr(int irq, void *dev_id)
+aic7xxx_isr(void *dev_id)
{
struct aic7xxx_host *p;
unsigned char intstat;
- p = (struct aic7xxx_host *)dev_id;
+ p = dev_id;
/*
* Just a few sanity checks. Make sure that we have an int pending.
unsigned long cpu_flags;
struct aic7xxx_host *p;
- p = (struct aic7xxx_host *)dev_id;
+ p = dev_id;
if(!p)
return IRQ_NONE;
spin_lock_irqsave(p->host->host_lock, cpu_flags);
p->flags |= AHC_IN_ISR;
do
{
- aic7xxx_isr(irq, dev_id);
+ aic7xxx_isr(dev_id);
} while ( (aic_inb(p, INTSTAT) & INT_PEND) );
aic7xxx_done_cmds_complete(p);
aic7xxx_run_waiting_queues(p);
struct aic7xxx_host *p = (struct aic7xxx_host *)SDptr->host->hostdata;
struct aic_dev_data *aic_dev;
- aic_dev = kmalloc(sizeof(struct aic_dev_data), GFP_ATOMIC | GFP_KERNEL);
+ aic_dev = kmalloc(sizeof(struct aic_dev_data), GFP_KERNEL);
if(!aic_dev)
return 1;
/*
*p = *temp;
p->host = host;
- p->scb_data = kmalloc(sizeof(scb_data_type), GFP_ATOMIC);
- if (p->scb_data != NULL)
+ p->scb_data = kzalloc(sizeof(scb_data_type), GFP_ATOMIC);
+ if (p->scb_data)
{
- memset(p->scb_data, 0, sizeof(scb_data_type));
scbq_init (&p->scb_data->free_scbs);
}
else
printk(KERN_INFO " this driver, we are ignoring it.\n");
}
}
- else if ( (temp_p = kmalloc(sizeof(struct aic7xxx_host),
+ else if ( (temp_p = kzalloc(sizeof(struct aic7xxx_host),
GFP_ATOMIC)) != NULL )
{
- memset(temp_p, 0, sizeof(struct aic7xxx_host));
temp_p->chip = aic_pdevs[i].chip | AHC_PCI;
temp_p->flags = aic_pdevs[i].flags;
temp_p->features = aic_pdevs[i].features;
struct scsi_device *sdptr = cmd->device;
unsigned char tindex = TARGET_INDEX(cmd);
struct request *req = cmd->request;
+ int use_sg;
mask = (0x01 << tindex);
hscb = scb->hscb;
memcpy(scb->cmnd, cmd->cmnd, cmd->cmd_len);
hscb->SCSI_cmd_pointer = cpu_to_le32(SCB_DMA_ADDR(scb, scb->cmnd));
- if (cmd->use_sg)
- {
+ use_sg = scsi_dma_map(cmd);
+ BUG_ON(use_sg < 0);
+
+ if (use_sg) {
struct scatterlist *sg; /* Must be mid-level SCSI code scatterlist */
/*
* differences and the kernel SG list uses virtual addresses where
* we need physical addresses.
*/
- int i, use_sg;
+ int i;
- sg = (struct scatterlist *)cmd->request_buffer;
scb->sg_length = 0;
- use_sg = pci_map_sg(p->pdev, sg, cmd->use_sg, cmd->sc_data_direction);
+
+
/*
* Copy the segments into the SG array. NOTE!!! - We used to
* have the first entry both in the data_pointer area and the first
* entry in both places, but now we download the address of
* scb->sg_list[1] instead of 0 to the sg pointer in the hscb.
*/
- for (i = 0; i < use_sg; i++)
- {
- unsigned int len = sg_dma_len(sg+i);
- scb->sg_list[i].address = cpu_to_le32(sg_dma_address(sg+i));
+ scsi_for_each_sg(cmd, sg, use_sg, i) {
+ unsigned int len = sg_dma_len(sg);
+ scb->sg_list[i].address = cpu_to_le32(sg_dma_address(sg));
scb->sg_list[i].length = cpu_to_le32(len);
scb->sg_length += len;
}
scb->sg_count = i;
hscb->SG_segment_count = i;
hscb->SG_list_pointer = cpu_to_le32(SCB_DMA_ADDR(scb, &scb->sg_list[1]));
- }
- else
- {
- if (cmd->request_bufflen)
- {
- unsigned int address = pci_map_single(p->pdev, cmd->request_buffer,
- cmd->request_bufflen,
- cmd->sc_data_direction);
- aic7xxx_mapping(cmd) = address;
- scb->sg_list[0].address = cpu_to_le32(address);
- scb->sg_list[0].length = cpu_to_le32(cmd->request_bufflen);
- scb->sg_count = 1;
- scb->sg_length = cmd->request_bufflen;
- hscb->SG_segment_count = 1;
- hscb->SG_list_pointer = cpu_to_le32(SCB_DMA_ADDR(scb, &scb->sg_list[0]));
- hscb->data_count = scb->sg_list[0].length;
- hscb->data_pointer = scb->sg_list[0].address;
- }
- else
- {
+ } else {
scb->sg_count = 0;
scb->sg_length = 0;
hscb->SG_segment_count = 0;
hscb->SG_list_pointer = 0;
hscb->data_count = 0;
hscb->data_pointer = 0;
- }
}
}
aic7xxx_position(cmd) = scb->hscb->tag;
cmd->scsi_done = fn;
cmd->result = DID_OK;
- memset(cmd->sense_buffer, 0, sizeof(cmd->sense_buffer));
aic7xxx_error(cmd) = DID_OK;
aic7xxx_status(cmd) = 0;
cmd->host_scribble = NULL;
hscb = scb->hscb;
- aic7xxx_isr(p->irq, (void *)p);
+ aic7xxx_isr(p);
aic7xxx_done_cmds_complete(p);
/* If the command was already complete or just completed, then we didn't
* do a reset, return FAILED */
else
return FAILED;
- aic7xxx_isr(p->irq, (void *)p);
+ aic7xxx_isr(p);
aic7xxx_done_cmds_complete(p);
/* If the command was already complete or just completed, then we didn't
* do a reset, return FAILED */
while((aic_inb(p, INTSTAT) & INT_PEND) && !(p->flags & AHC_IN_ISR))
{
- aic7xxx_isr(p->irq, p);
+ aic7xxx_isr(p);
pause_sequencer(p);
}
aic7xxx_done_cmds_complete(p);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff