* 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>
.slave_configure = u14_34f_slave_configure,
.this_id = 7,
.unchecked_isa_dma = 1,
- .use_clustering = ENABLE_CLUSTERING
+ .use_clustering = ENABLE_CLUSTERING,
};
#if !defined(__BIG_ENDIAN_BITFIELD) && !defined(__LITTLE_ENDIAN_BITFIELD)
#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;
static int board_inquiry(unsigned int j) {
struct mscp *cpp;
dma_addr_t id_dma_addr;
- unsigned int time, limit = 0;
+ unsigned int limit = 0;
+ unsigned long time;
id_dma_addr = pci_map_single(HD(j)->pdev, HD(j)->board_id,
sizeof(HD(j)->board_id), PCI_DMA_BIDIRECTIONAL);
/* 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;
+ unsigned int k, pci_dir;
+ int count;
+ struct scatterlist *sg;
struct mscp *cpp;
struct scsi_cmnd *SCpnt;
if (SCpnt->sense_buffer)
cpp->sense_addr = H2DEV(pci_map_single(HD(j)->pdev, SCpnt->sense_buffer,
- sizeof SCpnt->sense_buffer, PCI_DMA_FROMDEVICE));
-
- 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);
+ SCSI_SENSE_BUFFERSIZE, PCI_DMA_FROMDEVICE));
+
+ cpp->sense_len = SCSI_SENSE_BUFFERSIZE;
+
+ 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;
cpp->xdir = DTD_IN;
return;
}
- else if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) {
+ else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) {
cpp->xdir = DTD_OUT;
return;
}
if (SCpnt->host_scribble)
panic("%s: qcomm, pid %ld, SCpnt %p already active.\n",
- BN(j), SCpnt->pid, SCpnt);
+ BN(j), SCpnt->serial_number, SCpnt);
/* i is the mailbox number, look for the first free mailbox
starting from last_cp_used */
if (do_trace) printk("%s: qcomm, mbox %d, target %d.%d:%d, pid %ld.\n",
BN(j), i, SCpnt->device->channel, SCpnt->device->id,
- SCpnt->device->lun, SCpnt->pid);
+ SCpnt->device->lun, SCpnt->serial_number);
cpp->opcode = OP_SCSI;
cpp->channel = SCpnt->device->channel;
if (linked_comm && SCpnt->device->queue_depth > 2
&& TLDEV(SCpnt->device->type)) {
HD(j)->cp_stat[i] = READY;
- flush_dev(SCpnt->device, SCpnt->request->sector, j, FALSE);
+ flush_dev(SCpnt->device, blk_rq_pos(SCpnt->request), j, FALSE);
return 0;
}
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->serial_number);
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->serial_number);
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->serial_number);
if (i >= sh[j]->can_queue)
panic("%s: abort, invalid SCarg->host_scribble.\n", BN(j));
SCarg->host_scribble = NULL;
HD(j)->cp_stat[i] = FREE;
printk("%s, abort, mbox %d ready, DID_ABORT, pid %ld done.\n",
- BN(j), i, SCarg->pid);
+ BN(j), i, SCarg->serial_number);
SCarg->scsi_done(SCarg);
return SUCCESS;
}
}
static int u14_34f_eh_host_reset(struct scsi_cmnd *SCarg) {
- unsigned int i, j, time, k, c, limit = 0;
+ unsigned int i, j, k, c, limit = 0;
+ unsigned long time;
int arg_done = FALSE;
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->serial_number);
spin_lock_irq(sh[j]->host_lock);
if (SCarg->host_scribble == NULL)
- printk("%s: reset, pid %ld inactive.\n", BN(j), SCarg->pid);
+ printk("%s: reset, pid %ld inactive.\n", BN(j), SCarg->serial_number);
if (HD(j)->in_reset) {
printk("%s: reset, exit, already in reset.\n", BN(j));
if (HD(j)->cp_stat[i] == READY || HD(j)->cp_stat[i] == ABORTING) {
HD(j)->cp_stat[i] = ABORTING;
printk("%s: reset, mbox %d aborting, pid %ld.\n",
- BN(j), i, SCpnt->pid);
+ BN(j), i, SCpnt->serial_number);
}
else {
HD(j)->cp_stat[i] = IN_RESET;
printk("%s: reset, mbox %d in reset, pid %ld.\n",
- BN(j), i, SCpnt->pid);
+ BN(j), i, SCpnt->serial_number);
}
if (SCpnt->host_scribble == NULL)
HD(j)->cp_stat[i] = LOCKED;
printk("%s, reset, mbox %d locked, DID_RESET, pid %ld done.\n",
- BN(j), i, SCpnt->pid);
+ BN(j), i, SCpnt->serial_number);
}
else if (HD(j)->cp_stat[i] == ABORTING) {
HD(j)->cp_stat[i] = FREE;
printk("%s, reset, mbox %d aborting, DID_RESET, pid %ld done.\n",
- BN(j), i, SCpnt->pid);
+ BN(j), i, SCpnt->serial_number);
}
else
HD(j)->in_reset = FALSE;
do_trace = FALSE;
- if (arg_done) printk("%s: reset, exit, pid %ld done.\n", BN(j), SCarg->pid);
+ if (arg_done) printk("%s: reset, exit, pid %ld done.\n", BN(j), SCarg->serial_number);
else printk("%s: reset, exit.\n", BN(j));
spin_unlock_irq(sh[j]->host_lock);
if (!(cpp->xdir == DTD_IN)) input_only = FALSE;
- if (SCpnt->request->sector < minsec) minsec = SCpnt->request->sector;
- if (SCpnt->request->sector > maxsec) maxsec = SCpnt->request->sector;
+ if (blk_rq_pos(SCpnt->request) < minsec)
+ minsec = blk_rq_pos(SCpnt->request);
+ if (blk_rq_pos(SCpnt->request) > maxsec)
+ maxsec = blk_rq_pos(SCpnt->request);
- sl[n] = SCpnt->request->sector;
- ioseek += SCpnt->request->nr_sectors;
+ sl[n] = blk_rq_pos(SCpnt->request);
+ ioseek += blk_rq_sectors(SCpnt->request);
if (!n) continue;
if (!input_only) for (n = 0; n < n_ready; n++) {
k = il[n]; cpp = &HD(j)->cp[k]; SCpnt = cpp->SCpnt;
- ll[n] = SCpnt->request->nr_sectors; pl[n] = SCpnt->pid;
+ ll[n] = blk_rq_sectors(SCpnt->request); pl[n] = SCpnt->serial_number;
if (!n) continue;
if (link_statistics && (overlap || !(flushcount % link_statistics)))
for (n = 0; n < n_ready; n++) {
k = il[n]; cpp = &HD(j)->cp[k]; SCpnt = cpp->SCpnt;
- printk("%s %d.%d:%d pid %ld mb %d fc %d nr %d sec %ld ns %ld"\
+ printk("%s %d.%d:%d pid %ld mb %d fc %d nr %d sec %ld ns %u"\
" cur %ld s:%c r:%c rev:%c in:%c ov:%c xd %d.\n",
(ihdlr ? "ihdlr" : "qcomm"), SCpnt->channel, SCpnt->target,
- SCpnt->lun, SCpnt->pid, k, flushcount, n_ready,
- SCpnt->request->sector, SCpnt->request->nr_sectors, cursec,
- YESNO(s), YESNO(r), YESNO(rev), YESNO(input_only),
+ SCpnt->lun, SCpnt->serial_number, k, flushcount, n_ready,
+ blk_rq_pos(SCpnt->request), blk_rq_sectors(SCpnt->request),
+ cursec, YESNO(s), YESNO(r), YESNO(rev), YESNO(input_only),
YESNO(overlap), cpp->xdir);
}
#endif
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->serial_number, k);
HD(j)->cp_stat[k] = ABORTING;
continue;
}
}
-static irqreturn_t ihdlr(int irq, unsigned int j) {
+static irqreturn_t ihdlr(unsigned int j)
+{
struct scsi_cmnd *SCpnt;
unsigned int i, k, c, status, tstatus, reg, ret;
struct mscp *spp, *cpp;
-
- if (sh[j]->irq != irq)
- panic("%s: ihdlr, irq %d, sh[j]->irq %d.\n", BN(j), irq, sh[j]->irq);
+ int irq = sh[j]->irq;
/* Check if this board need to be serviced */
if (!((reg = inb(sh[j]->io_port + REG_SYS_INTR)) & IRQ_ASSERTED)) goto none;
if (SCpnt->host_scribble == NULL)
panic("%s: ihdlr, mbox %d, pid %ld, SCpnt %p garbled.\n", BN(j), i,
- SCpnt->pid, SCpnt);
+ SCpnt->serial_number, SCpnt);
if (*(unsigned int *)SCpnt->host_scribble != i)
panic("%s: ihdlr, mbox %d, pid %ld, index mismatch %d.\n",
- BN(j), i, SCpnt->pid, *(unsigned int *)SCpnt->host_scribble);
+ BN(j), i, SCpnt->serial_number, *(unsigned int *)SCpnt->host_scribble);
sync_dma(i, j);
if (linked_comm && SCpnt->device->queue_depth > 2
&& TLDEV(SCpnt->device->type))
- flush_dev(SCpnt->device, SCpnt->request->sector, j, TRUE);
+ flush_dev(SCpnt->device, blk_rq_pos(SCpnt->request), j, TRUE);
tstatus = status_byte(spp->target_status);
/* 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,
- SCpnt->pid, spp->target_status,
+ scmd_printk(KERN_INFO, SCpnt,
+ "ihdlr, pid %ld, target_status 0x%x, sense key 0x%x.\n",
+ SCpnt->serial_number, 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;
+ if (HD(j)->last_retried_pid == SCpnt->serial_number) 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;
#endif
HD(j)->retries++;
- HD(j)->last_retried_pid = SCpnt->pid;
+ HD(j)->last_retried_pid = SCpnt->serial_number;
}
else
status = DID_ERROR << 16;
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->serial_number,
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;
if ((j = (unsigned int)((char *)shap - sha)) >= num_boards) return IRQ_NONE;
spin_lock_irqsave(sh[j]->host_lock, spin_flags);
- ret = ihdlr(irq, j);
+ ret = ihdlr(j);
spin_unlock_irqrestore(sh[j]->host_lock, spin_flags);
return 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