* clustering is enabled. ENABLE_CLUSTERING provides a performance increase
* up to 50% on sequential access.
*
- * Since the Scsi_Host_Template structure is shared among all 14F and 34F,
+ * Since the struct scsi_host_template structure is shared among all 14F and 34F,
* the last setting of use_clustering is in effect for all of these boards.
*
* Here a sample configuration using two U14F boards:
* the driver sets host->wish_block = TRUE for all ISA boards.
*/
-#include <linux/config.h>
#include <linux/string.h>
#include <linux/kernel.h>
#include <linux/ioport.h>
#define H2DEV(x) cpu_to_le32(x)
#define DEV2H(x) le32_to_cpu(x)
-static irqreturn_t do_interrupt_handler(int, void *, struct pt_regs *);
+static irqreturn_t do_interrupt_handler(int, void *);
static void flush_dev(struct scsi_device *, unsigned long, unsigned int, unsigned int);
static int do_trace = FALSE;
static int setup_done = FALSE;
else
link_suffix = "";
- printk("%s: scsi%d, channel %d, id %d, lun %d, cmds/lun %d%s%s.\n",
- BN(j), host->host_no, dev->channel, dev->id, dev->lun,
+ sdev_printk(KERN_INFO, dev, "cmds/lun %d%s%s.\n",
dev->queue_depth, link_suffix, tag_suffix);
return FALSE;
/* Board detected, allocate its IRQ */
if (request_irq(irq, do_interrupt_handler,
- SA_INTERRUPT | ((subversion == ESA) ? SA_SHIRQ : 0),
+ IRQF_DISABLED | ((subversion == ESA) ? IRQF_SHARED : 0),
driver_name, (void *) &sha[j])) {
printk("%s: unable to allocate IRQ %u, detaching.\n", name, irq);
goto freelock;
static void map_dma(unsigned int i, unsigned int j) {
unsigned int data_len = 0;
unsigned int k, count, pci_dir;
- struct scatterlist *sgpnt;
+ struct scatterlist *sg;
struct mscp *cpp;
struct scsi_cmnd *SCpnt;
cpp->sense_len = sizeof SCpnt->sense_buffer;
- if (!SCpnt->use_sg) {
-
- /* If we get here with PCI_DMA_NONE, pci_map_single triggers a BUG() */
- if (!SCpnt->request_bufflen) pci_dir = PCI_DMA_BIDIRECTIONAL;
-
- if (SCpnt->request_buffer)
- cpp->data_address = H2DEV(pci_map_single(HD(j)->pdev,
- SCpnt->request_buffer, SCpnt->request_bufflen, pci_dir));
-
- cpp->data_len = H2DEV(SCpnt->request_bufflen);
- return;
- }
-
- sgpnt = (struct scatterlist *) SCpnt->request_buffer;
- count = pci_map_sg(HD(j)->pdev, sgpnt, SCpnt->use_sg, pci_dir);
-
- for (k = 0; k < count; k++) {
- cpp->sglist[k].address = H2DEV(sg_dma_address(&sgpnt[k]));
- cpp->sglist[k].num_bytes = H2DEV(sg_dma_len(&sgpnt[k]));
- data_len += sgpnt[k].length;
- }
-
- cpp->sg = TRUE;
- cpp->use_sg = SCpnt->use_sg;
- cpp->data_address = H2DEV(pci_map_single(HD(j)->pdev, cpp->sglist,
- SCpnt->use_sg * sizeof(struct sg_list), pci_dir));
- cpp->data_len = H2DEV(data_len);
+ if (scsi_bufflen(SCpnt)) {
+ count = scsi_dma_map(SCpnt);
+ BUG_ON(count < 0);
+
+ scsi_for_each_sg(SCpnt, sg, count, k) {
+ cpp->sglist[k].address = H2DEV(sg_dma_address(sg));
+ cpp->sglist[k].num_bytes = H2DEV(sg_dma_len(sg));
+ data_len += sg->length;
+ }
+
+ cpp->sg = TRUE;
+ cpp->use_sg = scsi_sg_count(SCpnt);
+ cpp->data_address =
+ H2DEV(pci_map_single(HD(j)->pdev, cpp->sglist,
+ cpp->use_sg * sizeof(struct sg_list),
+ pci_dir));
+ cpp->data_len = H2DEV(data_len);
+
+ } else {
+ pci_dir = PCI_DMA_BIDIRECTIONAL;
+ cpp->data_len = H2DEV(scsi_bufflen(SCpnt));
+ }
}
static void unmap_dma(unsigned int i, unsigned int j) {
pci_unmap_single(HD(j)->pdev, DEV2H(cpp->sense_addr),
DEV2H(cpp->sense_len), PCI_DMA_FROMDEVICE);
- if (SCpnt->use_sg)
- pci_unmap_sg(HD(j)->pdev, SCpnt->request_buffer, SCpnt->use_sg, pci_dir);
+ scsi_dma_unmap(SCpnt);
if (!DEV2H(cpp->data_len)) pci_dir = PCI_DMA_BIDIRECTIONAL;
pci_dma_sync_single_for_cpu(HD(j)->pdev, DEV2H(cpp->sense_addr),
DEV2H(cpp->sense_len), PCI_DMA_FROMDEVICE);
- if (SCpnt->use_sg)
- pci_dma_sync_sg_for_cpu(HD(j)->pdev, SCpnt->request_buffer,
- SCpnt->use_sg, pci_dir);
+ if (scsi_sg_count(SCpnt))
+ pci_dma_sync_sg_for_cpu(HD(j)->pdev, scsi_sglist(SCpnt),
+ scsi_sg_count(SCpnt), pci_dir);
if (!DEV2H(cpp->data_len)) pci_dir = PCI_DMA_BIDIRECTIONAL;
if (wait_on_busy(sh[j]->io_port, MAXLOOP)) {
unmap_dma(i, j);
SCpnt->host_scribble = NULL;
- printk("%s: qcomm, target %d.%d:%d, pid %ld, adapter busy.\n",
- BN(j), SCpnt->device->channel, SCpnt->device->id, SCpnt->device->lun, SCpnt->pid);
+ scmd_printk(KERN_INFO, SCpnt,
+ "qcomm, pid %ld, adapter busy.\n", SCpnt->pid);
return 1;
}
j = ((struct hostdata *) SCarg->device->host->hostdata)->board_number;
if (SCarg->host_scribble == NULL) {
- printk("%s: abort, target %d.%d:%d, pid %ld inactive.\n",
- BN(j), SCarg->device->channel, SCarg->device->id, SCarg->device->lun, SCarg->pid);
+ scmd_printk(KERN_INFO, SCarg, "abort, pid %ld inactive.\n",
+ SCarg->pid);
return SUCCESS;
}
i = *(unsigned int *)SCarg->host_scribble;
- printk("%s: abort, mbox %d, target %d.%d:%d, pid %ld.\n",
- BN(j), i, SCarg->device->channel, SCarg->device->id, SCarg->device->lun, SCarg->pid);
+ scmd_printk(KERN_INFO, SCarg, "abort, mbox %d, pid %ld.\n",
+ i, SCarg->pid);
if (i >= sh[j]->can_queue)
panic("%s: abort, invalid SCarg->host_scribble.\n", BN(j));
struct scsi_cmnd *SCpnt;
j = ((struct hostdata *) SCarg->device->host->hostdata)->board_number;
- printk("%s: reset, enter, target %d.%d:%d, pid %ld.\n",
- BN(j), SCarg->device->channel, SCarg->device->id, SCarg->device->lun, SCarg->pid);
+ scmd_printk(KERN_INFO, SCarg, "reset, enter, pid %ld.\n", SCarg->pid);
spin_lock_irq(sh[j]->host_lock);
k = il[n]; cpp = &HD(j)->cp[k]; SCpnt = cpp->SCpnt;
if (wait_on_busy(sh[j]->io_port, MAXLOOP)) {
- printk("%s: %s, target %d.%d:%d, pid %ld, mbox %d, adapter"\
- " busy, will abort.\n", BN(j), (ihdlr ? "ihdlr" : "qcomm"),
- SCpnt->device->channel, SCpnt->device->id, SCpnt->device->lun, SCpnt->pid, k);
+ scmd_printk(KERN_INFO, SCpnt,
+ "%s, pid %ld, mbox %d, adapter"
+ " busy, will abort.\n", (ihdlr ? "ihdlr" : "qcomm"),
+ SCpnt->pid, k);
HD(j)->cp_stat[k] = ABORTING;
continue;
}
/* If there was a bus reset, redo operation on each target */
else if (tstatus != GOOD && SCpnt->device->type == TYPE_DISK
- && HD(j)->target_redo[SCpnt->device->id][SCpnt->device->channel])
+ && HD(j)->target_redo[scmd_id(SCpnt)][scmd_channel(SCpnt)])
status = DID_BUS_BUSY << 16;
/* Works around a flaw in scsi.c */
status = DID_OK << 16;
if (tstatus == GOOD)
- HD(j)->target_redo[SCpnt->device->id][SCpnt->device->channel] = FALSE;
+ HD(j)->target_redo[scmd_id(SCpnt)][scmd_channel(SCpnt)] = FALSE;
if (spp->target_status && SCpnt->device->type == TYPE_DISK &&
(!(tstatus == CHECK_CONDITION && HD(j)->iocount <= 1000 &&
(SCpnt->sense_buffer[2] & 0xf) == NOT_READY)))
- printk("%s: ihdlr, target %d.%d:%d, pid %ld, "\
- "target_status 0x%x, sense key 0x%x.\n", BN(j),
- SCpnt->device->channel, SCpnt->device->id, SCpnt->device->lun,
+ scmd_printk(KERN_INFO, SCpnt,
+ "ihdlr, pid %ld, target_status 0x%x, sense key 0x%x.\n",
SCpnt->pid, spp->target_status,
SCpnt->sense_buffer[2]);
- HD(j)->target_to[SCpnt->device->id][SCpnt->device->channel] = 0;
+ HD(j)->target_to[scmd_id(SCpnt)][scmd_channel(SCpnt)] = 0;
if (HD(j)->last_retried_pid == SCpnt->pid) HD(j)->retries = 0;
break;
case ASST: /* Selection Time Out */
- if (HD(j)->target_to[SCpnt->device->id][SCpnt->device->channel] > 1)
+ if (HD(j)->target_to[scmd_id(SCpnt)][scmd_channel(SCpnt)] > 1)
status = DID_ERROR << 16;
else {
status = DID_TIME_OUT << 16;
- HD(j)->target_to[SCpnt->device->id][SCpnt->device->channel]++;
+ HD(j)->target_to[scmd_id(SCpnt)][scmd_channel(SCpnt)]++;
}
break;
spp->adapter_status != ASST && HD(j)->iocount <= 1000) ||
do_trace || msg_byte(spp->target_status))
#endif
- printk("%s: ihdlr, mbox %2d, err 0x%x:%x,"\
- " target %d.%d:%d, pid %ld, reg 0x%x, count %d.\n",
- BN(j), i, spp->adapter_status, spp->target_status,
- SCpnt->device->channel, SCpnt->device->id, SCpnt->device->lun, SCpnt->pid,
+ scmd_printk(KERN_INFO, SCpnt, "ihdlr, mbox %2d, err 0x%x:%x,"\
+ " pid %ld, reg 0x%x, count %d.\n",
+ i, spp->adapter_status, spp->target_status, SCpnt->pid,
reg, HD(j)->iocount);
unmap_dma(i, j);
return IRQ_NONE;
}
-static irqreturn_t do_interrupt_handler(int irq, void *shap,
- struct pt_regs *regs) {
+static irqreturn_t do_interrupt_handler(int irq, void *shap) {
unsigned int j;
unsigned long spin_flags;
irqreturn_t ret;
for (j = 0; sh[j] != NULL && sh[j] != shpnt; j++);
- if (sh[j] == NULL) panic("%s: release, invalid Scsi_Host pointer.\n",
- driver_name);
+ if (sh[j] == NULL)
+ panic("%s: release, invalid Scsi_Host pointer.\n", driver_name);
for (i = 0; i < sh[j]->can_queue; i++)
- if ((&HD(j)->cp[i])->sglist) kfree((&HD(j)->cp[i])->sglist);
+ kfree((&HD(j)->cp[i])->sglist);
for (i = 0; i < sh[j]->can_queue; i++)
pci_unmap_single(HD(j)->pdev, HD(j)->cp[i].cp_dma_addr,
free_irq(sh[j]->irq, &sha[j]);
- if (sh[j]->dma_channel != NO_DMA) free_dma(sh[j]->dma_channel);
+ if (sh[j]->dma_channel != NO_DMA)
+ free_dma(sh[j]->dma_channel);
release_region(sh[j]->io_port, sh[j]->n_io_port);
scsi_unregister(sh[j]);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff