#include "scsi.h"
#include <scsi/scsi_host.h>
-#include "fd_mcs.h"
#define DRIVER_VERSION "v0.2 by ZP Gu<zpg@castle.net>"
#define DEBUG 0 /* Enable debugging output */
#define ENABLE_PARITY 1 /* Enable SCSI Parity */
-#define DO_DETECT 0 /* Do device detection here (see scsi.c) */
/* END OF USER DEFINABLE OPTIONS */
#if DEBUG
#define EVERY_ACCESS 0 /* Write a line on every scsi access */
#define ERRORS_ONLY 1 /* Only write a line if there is an error */
-#define DEBUG_DETECT 1 /* Debug fd_mcs_detect() */
#define DEBUG_MESSAGES 1 /* Debug MESSAGE IN phase */
#define DEBUG_ABORT 1 /* Debug abort() routine */
#define DEBUG_RESET 1 /* Debug reset() routine */
#else
#define EVERY_ACCESS 0 /* LEAVE THESE ALONE--CHANGE THE ONES ABOVE */
#define ERRORS_ONLY 0
-#define DEBUG_DETECT 0
#define DEBUG_MESSAGES 0
#define DEBUG_ABORT 0
#define DEBUG_RESET 0
2},
};
-#define FD_BRDS sizeof(fd_mcs_adapters)/sizeof(struct fd_mcs_adapters_struct)
+#define FD_BRDS ARRAY_SIZE(fd_mcs_adapters)
-static irqreturn_t fd_mcs_intr(int irq, void *dev_id, struct pt_regs *regs);
+static irqreturn_t fd_mcs_intr(int irq, void *dev_id);
static unsigned long addresses[] = { 0xc8000, 0xca000, 0xce000, 0xde000 };
static unsigned short ports[] = { 0x140, 0x150, 0x160, 0x170 };
static int user_fifo_count = 0;
static int user_fifo_size = 0;
+#ifndef MODULE
static int __init fd_mcs_setup(char *str)
{
static int done_setup = 0;
}
__setup("fd_mcs=", fd_mcs_setup);
+#endif /* !MODULE */
static void print_banner(struct Scsi_Host *shpnt)
{
outb(0x01 | PARITY_MASK, TMC_Cntl_port);
}
-static int fd_mcs_detect(Scsi_Host_Template * tpnt)
+static int fd_mcs_detect(struct scsi_host_template * tpnt)
{
int loop;
struct Scsi_Host *shpnt;
mca_set_adapter_name(slot - 1, fd_mcs_adapters[loop].name);
/* check irq/region */
- if (request_irq(irq, fd_mcs_intr, SA_SHIRQ, "fd_mcs", hosts)) {
+ if (request_irq(irq, fd_mcs_intr, IRQF_SHARED, "fd_mcs", hosts)) {
printk(KERN_ERR "fd_mcs: interrupt is not available, skipping...\n");
continue;
}
FIFO_COUNT = user_fifo_count ? user_fifo_count : fd_mcs_adapters[loop].fifo_count;
FIFO_Size = user_fifo_size ? user_fifo_size : fd_mcs_adapters[loop].fifo_size;
+/* FIXME: Do we need to keep this bit of code inside NOT_USED around at all? */
#ifdef NOT_USED
/* *************************************************** */
/* Try to toggle 32-bit mode. This only
outb(0, SCSI_Mode_Cntl_port);
outb(PARITY_MASK, TMC_Cntl_port);
/* done reset */
-
-#if DO_DETECT
- /* scan devices attached */
- {
- const int buflen = 255;
- int i, j, retcode;
- Scsi_Cmnd SCinit;
- unsigned char do_inquiry[] = { INQUIRY, 0, 0, 0, buflen, 0 };
- unsigned char do_request_sense[] = { REQUEST_SENSE,
- 0, 0, 0, buflen, 0
- };
- unsigned char do_read_capacity[] = { READ_CAPACITY,
- 0, 0, 0, 0, 0, 0, 0, 0, 0
- };
- unsigned char buf[buflen];
-
- SCinit.request_buffer = SCinit.buffer = buf;
- SCinit.request_bufflen = SCinit.bufflen = sizeof(buf) - 1;
- SCinit.use_sg = 0;
- SCinit.lun = 0;
- SCinit.host = shpnt;
-
- printk("fd_mcs: detection routine scanning for devices:\n");
- for (i = 0; i < 8; i++) {
- if (i == shpnt->this_id) /* Skip host adapter */
- continue;
- SCinit.target = i;
- memcpy(SCinit.cmnd, do_request_sense, sizeof(do_request_sense));
- retcode = fd_mcs_command(&SCinit);
- if (!retcode) {
- memcpy(SCinit.cmnd, do_inquiry, sizeof(do_inquiry));
- retcode = fd_mcs_command(&SCinit);
- if (!retcode) {
- printk(" SCSI ID %d: ", i);
- for (j = 8; j < (buf[4] < 32 ? buf[4] : 32); j++)
- printk("%c", buf[j] >= 20 ? buf[j] : ' ');
- memcpy(SCinit.cmnd, do_read_capacity, sizeof(do_read_capacity));
- retcode = fd_mcs_command(&SCinit);
- if (!retcode) {
- unsigned long blocks, size, capacity;
-
- blocks = (buf[0] << 24) | (buf[1] << 16)
- | (buf[2] << 8) | buf[3];
- size = (buf[4] << 24) | (buf[5] << 16) | (buf[6] << 8) | buf[7];
- capacity = +(+(blocks / 1024L) * +(size * 10L)) / 1024L;
-
- printk("%lu MB (%lu byte blocks)\n", ((capacity + 5L) / 10L), size);
- }
- }
- }
- }
- }
-#endif
}
}
}
/* only my_done needs to be protected */
-static irqreturn_t fd_mcs_intr(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t fd_mcs_intr(int irq, void *dev_id)
{
unsigned long flags;
int status;
outb(0x40 | FIFO_COUNT, Interrupt_Cntl_port);
outb(0x82, SCSI_Cntl_port); /* Bus Enable + Select */
- outb(adapter_mask | (1 << current_SC->device->id), SCSI_Data_NoACK_port);
+ outb(adapter_mask | (1 << scmd_id(current_SC)), SCSI_Data_NoACK_port);
/* Stop arbitration and enable parity */
outb(0x10 | PARITY_MASK, TMC_Cntl_port);
status = inb(SCSI_Status_port);
if (!(status & 0x01)) {
/* Try again, for slow devices */
- if (fd_mcs_select(shpnt, current_SC->device->id)) {
+ if (fd_mcs_select(shpnt, scmd_id(current_SC))) {
#if EVERY_ACCESS
printk(" SFAIL ");
#endif
return SUCCESS;
}
-static int fd_mcs_host_reset(Scsi_Cmnd * SCpnt)
-{
- return FAILED;
-}
-
-static int fd_mcs_device_reset(Scsi_Cmnd * SCpnt)
-{
- return FAILED;
-}
-
static int fd_mcs_bus_reset(Scsi_Cmnd * SCpnt) {
struct Scsi_Host *shpnt = SCpnt->device->host;
+ unsigned long flags;
#if DEBUG_RESET
static int called_once = 0;
called_once = 1;
#endif
+ spin_lock_irqsave(shpnt->host_lock, flags);
+
outb(1, SCSI_Cntl_port);
do_pause(2);
outb(0, SCSI_Cntl_port);
outb(0, SCSI_Mode_Cntl_port);
outb(PARITY_MASK, TMC_Cntl_port);
+ spin_unlock_irqrestore(shpnt->host_lock, flags);
+
/* Unless this is the very first call (i.e., SCPnt == NULL), everything
is probably hosed at this point. We will, however, try to keep
things going by informing the high-level code that we need help. */
return 0;
}
-static Scsi_Host_Template driver_template = {
+static struct scsi_host_template driver_template = {
.proc_name = "fd_mcs",
.proc_info = fd_mcs_proc_info,
.detect = fd_mcs_detect,
.queuecommand = fd_mcs_queue,
.eh_abort_handler = fd_mcs_abort,
.eh_bus_reset_handler = fd_mcs_bus_reset,
- .eh_host_reset_handler = fd_mcs_host_reset,
- .eh_device_reset_handler = fd_mcs_device_reset,
.bios_param = fd_mcs_biosparam,
.can_queue = 1,
.this_id = 7,
.use_clustering = DISABLE_CLUSTERING,
};
#include "scsi_module.c"
+
+MODULE_LICENSE("GPL");
git://git.onelab.eu / linux-2.6.git / blobdiff