* last change: 2002/11/02 OS: Linux 2.5.45 *
************************************************************/
+#include <linux/config.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/pci.h>
#include <linux/proc_fs.h>
#include <linux/interrupt.h>
-#include <linux/stat.h>
-#include <linux/config.h>
#include <linux/blkdev.h>
#include <linux/spinlock.h>
#include <asm/io.h>
-#include "scsi.h"
-#include "hosts.h"
-#include <scsi/scsicam.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_host.h>
#include "eata_generic.h"
#include "eata_pio.h"
static unsigned long int_counter;
static unsigned long queue_counter;
+static struct scsi_host_template driver_template;
+
/*
* eata_proc_info
* inout : decides on the direction of the dataflow and the meaning of the
if (sh->io_port && sh->n_io_port)
release_region(sh->io_port, sh->n_io_port);
}
- return (TRUE);
+ return 1;
}
-static void IncStat(Scsi_Pointer * SCp, uint Increment)
+static void IncStat(struct scsi_pointer *SCp, uint Increment)
{
SCp->ptr += Increment;
if ((SCp->this_residual -= Increment) == 0) {
if ((--SCp->buffers_residual) == 0)
- SCp->Status = FALSE;
+ SCp->Status = 0;
else {
SCp->buffer++;
SCp->ptr = page_address(SCp->buffer->page) + SCp->buffer->offset;
static void eata_pio_int_handler(int irq, void *dev_id, struct pt_regs *regs)
{
uint eata_stat = 0xfffff;
- Scsi_Cmnd *cmd;
+ struct scsi_cmnd *cmd;
hostdata *hd;
struct eata_ccb *cp;
uint base;
if (stat & HA_SDRQ) {
if (cp->DataIn) {
z = 256;
- odd = FALSE;
+ odd = 0;
while ((cmd->SCp.Status) && ((z > 0) || (odd))) {
if (odd) {
*(cmd->SCp.ptr) = zwickel >> 8;
IncStat(&cmd->SCp, 1);
- odd = FALSE;
+ odd = 0;
}
x = min_t(unsigned int, z, cmd->SCp.this_residual / 2);
insw(base + HA_RDATA, cmd->SCp.ptr, x);
*(cmd->SCp.ptr) = zwickel & 0xff;
IncStat(&cmd->SCp, 1);
z--;
- odd = TRUE;
+ odd = 1;
}
}
while (z > 0) {
}
} else { /* cp->DataOut */
- odd = FALSE;
+ odd = 0;
z = 256;
while ((cmd->SCp.Status) && ((z > 0) || (odd))) {
if (odd) {
IncStat(&cmd->SCp, 1);
outw(zwickel, base + HA_RDATA);
z--;
- odd = FALSE;
+ odd = 0;
}
x = min_t(unsigned int, z, cmd->SCp.this_residual / 2);
outsw(base + HA_RDATA, cmd->SCp.ptr, x);
zwickel = *(cmd->SCp.ptr);
zwickel &= 0xff;
IncStat(&cmd->SCp, 1);
- odd = TRUE;
+ odd = 1;
}
}
while (z > 0 || odd) {
outw(zwickel, base + HA_RDATA);
z--;
- odd = FALSE;
+ odd = 0;
}
}
}
while (inb(base + HA_RSTATUS) & HA_SBUSY)
if (--loop == 0)
- return (TRUE);
+ return 1;
/* Enable interrupts for HBA. It is not the best way to do it at this
* place, but I hope that it doesn't interfere with the IDE driver
outb(HA_CTRL_8HEADS, base + HA_CTRLREG);
outb(command, base + HA_WCOMMAND);
- return (FALSE);
+ return 0;
}
-static int eata_pio_queue(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *))
+static int eata_pio_queue(struct scsi_cmnd *cmd,
+ void (*done)(struct scsi_cmnd *))
{
uint x, y;
uint base;
cmd->scsi_done = (void *) done;
- if(cmd->sc_data_direction == SCSI_DATA_WRITE)
- cp->DataOut = TRUE; /* Output mode */
+ if (cmd->sc_data_direction == DMA_TO_DEVICE)
+ cp->DataOut = 1; /* Output mode */
else
- cp->DataIn = TRUE; /* Input mode */
+ cp->DataIn = 0; /* Input mode */
cp->Interpret = (cmd->device->id == hd->hostid);
cp->cp_datalen = htonl((unsigned long) cmd->request_bufflen);
- cp->Auto_Req_Sen = FALSE;
+ cp->Auto_Req_Sen = 0;
cp->cp_reqDMA = htonl(0);
cp->reqlen = 0;
cp->cp_id = cmd->device->id;
cp->cp_lun = cmd->device->lun;
- cp->cp_dispri = FALSE;
- cp->cp_identify = TRUE;
+ cp->cp_dispri = 0;
+ cp->cp_identify = 1;
memcpy(cp->cp_cdb, cmd->cmnd, COMMAND_SIZE(*cmd->cmnd));
cp->cp_statDMA = htonl(0);
return (0);
}
-static int eata_pio_abort(Scsi_Cmnd * cmd)
+static int eata_pio_abort(struct scsi_cmnd *cmd)
{
uint loop = HZ;
panic("eata_pio: abort: invalid slot status\n");
}
-static int eata_pio_host_reset(Scsi_Cmnd * cmd)
+static int eata_pio_host_reset(struct scsi_cmnd *cmd)
{
uint x, limit = 0;
- unsigned char success = FALSE;
- Scsi_Cmnd *sp;
+ unsigned char success = 0;
+ struct scsi_cmnd *sp;
struct Scsi_Host *host = cmd->device->host;
DBG(DBG_ABNORM, printk(KERN_WARNING "eata_pio_reset called pid:%ld target:" " %x lun: %x reason %x\n", cmd->pid, cmd->device->id, cmd->device->lun, cmd->abort_reason));
sp->scsi_done(sp);
}
- HD(cmd)->state = FALSE;
+ HD(cmd)->state = 0;
if (success) { /* hmmm... */
DBG(DBG_ABNORM, printk(KERN_WARNING "eata_pio_reset: exit, success.\n"));
memset(&cp, 0, sizeof(struct eata_ccb));
memset(buff, 0, sizeof(buff));
- cp.DataIn = TRUE;
- cp.Interpret = TRUE; /* Interpret command */
+ cp.DataIn = 1;
+ cp.Interpret = 1; /* Interpret command */
cp.cp_datalen = htonl(254);
cp.cp_dataDMA = htonl(0);
int z;
unsigned short *p;
- if (check_region(base, 9))
- return (FALSE);
+ if (!request_region(base, 9, "eata_pio"))
+ return 0;
memset(buf, 0, sizeof(struct get_conf));
while (inb(base + HA_RSTATUS) & HA_SBUSY)
if (--loop == 0)
- return (FALSE);
+ goto fail;
DBG(DBG_PIO && DBG_PROBE, printk(KERN_DEBUG "Issuing PIO READ CONFIG to HBA at %#x\n", base));
eata_pio_send_command(base, EATA_CMD_PIO_READ_CONFIG);
for (p = (unsigned short *) buf; (long) p <= ((long) buf + (sizeof(struct get_conf) / 2)); p++) {
while (!(inb(base + HA_RSTATUS) & HA_SDRQ))
if (--loop == 0)
- return (FALSE);
+ goto fail;
loop = HZ / 2;
*p = inw(base + HA_RDATA);
}
- if (!(inb(base + HA_RSTATUS) & HA_SERROR)) { /* Error ? */
- if (htonl(EATA_SIGNATURE) == buf->signature) {
- DBG(DBG_PIO && DBG_PROBE, printk(KERN_NOTICE "EATA Controller found " "at %#4x EATA Level: %x\n", base, (uint) (buf->version)));
-
- while (inb(base + HA_RSTATUS) & HA_SDRQ)
- inw(base + HA_RDATA);
- if (ALLOW_DMA_BOARDS == FALSE) {
- for (z = 0; z < MAXISA; z++)
- if (base == ISAbases[z]) {
- buf->IRQ = ISAirqs[z];
- break;
- }
+ if (inb(base + HA_RSTATUS) & HA_SERROR) {
+ DBG(DBG_PROBE, printk("eata_dma: get_conf_PIO, error during "
+ "transfer for HBA at %x\n", base));
+ goto fail;
+ }
+
+ if (htonl(EATA_SIGNATURE) != buf->signature)
+ goto fail;
+
+ DBG(DBG_PIO && DBG_PROBE, printk(KERN_NOTICE "EATA Controller found "
+ "at %#4x EATA Level: %x\n",
+ base, (uint) (buf->version)));
+
+ while (inb(base + HA_RSTATUS) & HA_SDRQ)
+ inw(base + HA_RDATA);
+
+ if (!ALLOW_DMA_BOARDS) {
+ for (z = 0; z < MAXISA; z++)
+ if (base == ISAbases[z]) {
+ buf->IRQ = ISAirqs[z];
+ break;
}
- return (TRUE);
- }
- } else {
- DBG(DBG_PROBE, printk("eata_dma: get_conf_PIO, error during transfer " "for HBA at %x\n", base));
}
- return (FALSE);
+
+ return 1;
+
+ fail:
+ release_region(base, 9);
+ return 0;
}
static void print_pio_config(struct get_conf *gc)
return (!(inb(base + HA_RSTATUS) & HA_SERROR));
}
-static int register_pio_HBA(long base, struct get_conf *gc, Scsi_Host_Template * tpnt)
+static int register_pio_HBA(long base, struct get_conf *gc)
{
unsigned long size = 0;
char *buff;
DBG(DBG_REGISTER, print_pio_config(gc));
- if (gc->DMA_support == TRUE) {
+ if (gc->DMA_support) {
printk("HBA at %#.4lx supports DMA. Please use EATA-DMA driver.\n", base);
- if (ALLOW_DMA_BOARDS == FALSE)
- return (FALSE);
+ if (!ALLOW_DMA_BOARDS)
+ return 0;
}
if ((buff = get_pio_board_data((uint) base, gc->IRQ, gc->scsi_id[3], cplen = (htonl(gc->cplen) + 1) / 2, cppadlen = (htons(gc->cppadlen) + 1) / 2)) == NULL) {
printk("HBA at %#lx didn't react on INQUIRY. Sorry.\n", (unsigned long) base);
- return (FALSE);
+ return 0;
}
- if (print_selftest(base) == FALSE && ALLOW_DMA_BOARDS == FALSE) {
+ if (!print_selftest(base) && !ALLOW_DMA_BOARDS) {
printk("HBA at %#lx failed while performing self test & setup.\n", (unsigned long) base);
- return (FALSE);
+ return 0;
}
- request_region(base, 8, "eata_pio");
-
size = sizeof(hostdata) + (sizeof(struct eata_ccb) * ntohs(gc->queuesiz));
- sh = scsi_register(tpnt, size);
- if (sh == NULL) {
- release_region(base, 8);
- return FALSE;
- }
+ sh = scsi_register(&driver_template, size);
+ if (sh == NULL)
+ return 0;
if (!reg_IRQ[gc->IRQ]) { /* Interrupt already registered ? */
if (!request_irq(gc->IRQ, do_eata_pio_int_handler, SA_INTERRUPT, "EATA-PIO", sh)) {
reg_IRQ[gc->IRQ]++;
if (!gc->IRQ_TR)
- reg_IRQL[gc->IRQ] = TRUE; /* IRQ is edge triggered */
+ reg_IRQL[gc->IRQ] = 1; /* IRQ is edge triggered */
} else {
printk("Couldn't allocate IRQ %d, Sorry.\n", gc->IRQ);
- release_region(base, 8);
- return (FALSE);
+ return 0;
}
} else { /* More than one HBA on this IRQ */
- if (reg_IRQL[gc->IRQ] == TRUE) {
+ if (reg_IRQL[gc->IRQ]) {
printk("Can't support more than one HBA on this IRQ,\n" " if the IRQ is edge triggered. Sorry.\n");
- release_region(base, 8);
- return (FALSE);
+ return 0;
} else
reg_IRQ[gc->IRQ]++;
}
}
if (ntohl(gc->len) >= 0x22) {
- if (gc->is_PCI == TRUE)
+ if (gc->is_PCI)
hd->bustype = IS_PCI;
- else if (gc->is_EISA == TRUE)
+ else if (gc->is_EISA)
hd->bustype = IS_EISA;
else
hd->bustype = IS_ISA;
sh->unique_id = base;
sh->base = base;
sh->io_port = base;
- sh->n_io_port = 8;
+ sh->n_io_port = 9;
sh->irq = gc->IRQ;
sh->dma_channel = PIO;
sh->this_id = gc->scsi_id[3];
sh->max_lun = 8;
if (gc->SECOND)
- hd->primary = FALSE;
+ hd->primary = 0;
else
- hd->primary = TRUE;
+ hd->primary = 1;
- sh->unchecked_isa_dma = FALSE; /* We can only do PIO */
+ sh->unchecked_isa_dma = 0; /* We can only do PIO */
hd->next = NULL; /* build a linked list of all HBAs */
hd->prev = last_HBA;
return (1);
}
-static void find_pio_ISA(struct get_conf *buf, Scsi_Host_Template * tpnt)
+static void find_pio_ISA(struct get_conf *buf)
{
int i;
for (i = 0; i < MAXISA; i++) {
- if (ISAbases[i]) {
- if (get_pio_conf_PIO(ISAbases[i], buf) == TRUE) {
- register_pio_HBA(ISAbases[i], buf, tpnt);
- }
+ if (!ISAbases[i])
+ continue;
+ if (!get_pio_conf_PIO(ISAbases[i], buf))
+ continue;
+ if (!register_pio_HBA(ISAbases[i], buf))
+ release_region(ISAbases[i], 9);
+ else
ISAbases[i] = 0;
- }
}
return;
}
-static void find_pio_EISA(struct get_conf *buf, Scsi_Host_Template * tpnt)
+static void find_pio_EISA(struct get_conf *buf)
{
u32 base;
int i;
-#if CHECKPAL
+#ifdef CHECKPAL
u8 pal1, pal2, pal3;
#endif
for (i = 0; i < MAXEISA; i++) {
- if (EISAbases[i] == TRUE) { /* Still a possibility ? */
+ if (EISAbases[i]) { /* Still a possibility ? */
base = 0x1c88 + (i * 0x1000);
-#if CHECKPAL
+#ifdef CHECKPAL
pal1 = inb((u16) base - 8);
pal2 = inb((u16) base - 7);
pal3 = inb((u16) base - 6);
if (((pal1 == 0x12) && (pal2 == 0x14)) || ((pal1 == 0x38) && (pal2 == 0xa3) && (pal3 == 0x82)) || ((pal1 == 0x06) && (pal2 == 0x94) && (pal3 == 0x24))) {
DBG(DBG_PROBE, printk(KERN_NOTICE "EISA EATA id tags found: " "%x %x %x \n", (int) pal1, (int) pal2, (int) pal3));
#endif
- if (get_pio_conf_PIO(base, buf) == TRUE) {
+ if (get_pio_conf_PIO(base, buf)) {
DBG(DBG_PROBE && DBG_EISA, print_pio_config(buf));
if (buf->IRQ) {
- register_pio_HBA(base, buf, tpnt);
- } else
+ if (!register_pio_HBA(base, buf))
+ release_region(base, 9);
+ } else {
printk(KERN_NOTICE "eata_dma: No valid IRQ. HBA " "removed from list\n");
+ release_region(base, 9);
+ }
}
/* Nothing found here so we take it from the list */
EISAbases[i] = 0;
-#if CHECKPAL
+#ifdef CHECKPAL
}
#endif
}
return;
}
-static void find_pio_PCI(struct get_conf *buf, Scsi_Host_Template * tpnt)
+static void find_pio_PCI(struct get_conf *buf)
{
#ifndef CONFIG_PCI
printk("eata_dma: kernel PCI support not enabled. Skipping scan for PCI HBAs.\n");
base += 0x10; /* Now, THIS is the real address */
if (base != 0x1f8) {
/* We didn't find it in the primary search */
- if (get_pio_conf_PIO(base, buf) == TRUE) {
- if (buf->FORCADR) /* If the address is forced */
+ if (get_pio_conf_PIO(base, buf)) {
+ if (buf->FORCADR) { /* If the address is forced */
+ release_region(base, 9);
continue; /* we'll find it later */
+ }
/* OK. We made it till here, so we can go now
* and register it. We only have to check and
* eventually remove it from the EISA and ISA list
*/
- register_pio_HBA(base, buf, tpnt);
+ if (!register_pio_HBA(base, buf)) {
+ release_region(base, 9);
+ continue;
+ }
if (base < 0x1000) {
for (x = 0; x < MAXISA; ++x) {
EISAbases[x] = 0;
}
}
-#if CHECK_BLINK
- else if (check_blink_state(base) == TRUE) {
+#ifdef CHECK_BLINK
+ else if (check_blink_state(base)) {
printk("eata_pio: HBA is in BLINK state.\n" "Consult your HBAs manual to correct this.\n");
}
#endif
#endif /* #ifndef CONFIG_PCI */
}
-
-static int eata_pio_detect(Scsi_Host_Template * tpnt)
+static int eata_pio_detect(struct scsi_host_template *tpnt)
{
struct Scsi_Host *HBA_ptr;
struct get_conf gc;
int i;
- tpnt->proc_name = "eata_pio";
-
- find_pio_PCI(&gc, tpnt);
-
- find_pio_EISA(&gc, tpnt);
-
- find_pio_ISA(&gc, tpnt);
+ find_pio_PCI(&gc);
+ find_pio_EISA(&gc);
+ find_pio_ISA(&gc);
for (i = 0; i <= MAXIRQ; i++)
if (reg_IRQ[i])
HBA_ptr->host_no, SD(HBA_ptr)->name, SD(HBA_ptr)->revision,
SD(HBA_ptr)->EATA_revision, (SD(HBA_ptr)->bustype == 'P') ?
"PCI " : (SD(HBA_ptr)->bustype == 'E') ? "EISA" : "ISA ",
- (uint) HBA_ptr->base, HBA_ptr->irq, SD(HBA_ptr)->channel, HBA_ptr->this_id, (SD(HBA_ptr)->primary == TRUE) ? 'Y' : 'N', HBA_ptr->can_queue, HBA_ptr->sg_tablesize, HBA_ptr->cmd_per_lun);
+ (uint) HBA_ptr->base, HBA_ptr->irq, SD(HBA_ptr)->channel, HBA_ptr->this_id,
+ SD(HBA_ptr)->primary ? 'Y' : 'N', HBA_ptr->can_queue,
+ HBA_ptr->sg_tablesize, HBA_ptr->cmd_per_lun);
HBA_ptr = SD(HBA_ptr)->next;
}
}
return (registered_HBAs);
}
-static Scsi_Host_Template driver_template = {
- .proc_info = eata_pio_proc_info,
+static struct scsi_host_template driver_template = {
+ .proc_name = "eata_pio",
.name = "EATA (Extended Attachment) PIO driver",
+ .proc_info = eata_pio_proc_info,
.detect = eata_pio_detect,
.release = eata_pio_release,
.queuecommand = eata_pio_queue,
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