#include <linux/module.h>
#include <linux/sched.h>
#include <asm/irq.h>
-#include <asm/io.h>
+#include <linux/io.h>
#include <linux/blkdev.h>
#include <asm/system.h>
#include <linux/errno.h>
#include <linux/isapnp.h>
#include <linux/spinlock.h>
#include <linux/workqueue.h>
+#include <linux/list.h>
#include <asm/semaphore.h>
#include <scsi/scsicam.h>
#include <scsi/scsi_transport_spi.h>
#include "aha152x.h"
+static LIST_HEAD(aha152x_host_list);
+
/* DEFINES */
#endif /* !PCMCIA */
-static int registered_count=0;
-static struct Scsi_Host *aha152x_host[2];
static struct scsi_host_template aha152x_driver_template;
/*
#ifdef __ISAPNP__
struct pnp_dev *pnpdev;
#endif
+ struct list_head host_list;
};
};
/* setup & interrupt */
-static irqreturn_t intr(int irq, void *dev_id, struct pt_regs *);
+static irqreturn_t intr(int irq, void *dev_id);
static void reset_ports(struct Scsi_Host *shpnt);
static void aha152x_error(struct Scsi_Host *shpnt, char *msg);
static void done(struct Scsi_Host *shpnt, int error);
return ptr;
}
-static inline struct Scsi_Host *lookup_irq(int irqno)
-{
- int i;
-
- for(i=0; i<ARRAY_SIZE(aha152x_host); i++)
- if(aha152x_host[i] && aha152x_host[i]->irq==irqno)
- return aha152x_host[i];
-
- return NULL;
-}
-
-static irqreturn_t swintr(int irqno, void *dev_id, struct pt_regs *regs)
+static irqreturn_t swintr(int irqno, void *dev_id)
{
- struct Scsi_Host *shpnt = lookup_irq(irqno);
-
- if (!shpnt) {
- printk(KERN_ERR "aha152x: catched software interrupt %d for unknown controller.\n", irqno);
- return IRQ_NONE;
- }
+ struct Scsi_Host *shpnt = dev_id;
HOSTDATA(shpnt)->swint++;
return NULL;
}
- /* need to have host registered before triggering any interrupt */
- aha152x_host[registered_count] = shpnt;
-
memset(HOSTDATA(shpnt), 0, sizeof *HOSTDATA(shpnt));
+ INIT_LIST_HEAD(&HOSTDATA(shpnt)->host_list);
+
+ /* need to have host registered before triggering any interrupt */
+ list_add_tail(&HOSTDATA(shpnt)->host_list, &aha152x_host_list);
shpnt->io_port = setup->io_port;
shpnt->n_io_port = IO_RANGE;
scsi_scan_host(shpnt);
- registered_count++;
-
return shpnt;
out_host_put:
- aha152x_host[registered_count]=NULL;
+ list_del(&HOSTDATA(shpnt)->host_list);
scsi_host_put(shpnt);
return NULL;
#endif
scsi_remove_host(shpnt);
+ list_del(&HOSTDATA(shpnt)->host_list);
scsi_host_put(shpnt);
}
*/
static void run(void)
{
- int i;
- for (i = 0; i<ARRAY_SIZE(aha152x_host); i++) {
- is_complete(aha152x_host[i]);
+ struct aha152x_hostdata *hd;
+
+ list_for_each_entry(hd, &aha152x_host_list, host_list) {
+ struct Scsi_Host *shost = container_of((void *)hd, struct Scsi_Host, hostdata);
+
+ is_complete(shost);
}
}
* Interrupt handler
*
*/
-static irqreturn_t intr(int irqno, void *dev_id, struct pt_regs *regs)
+static irqreturn_t intr(int irqno, void *dev_id)
{
- struct Scsi_Host *shpnt = lookup_irq(irqno);
+ struct Scsi_Host *shpnt = (struct Scsi_Host *)dev_id;
unsigned long flags;
unsigned char rev, dmacntrl0;
#endif
}
- return registered_count>0;
+ return 1;
}
static void __exit aha152x_exit(void)
{
- int i;
+ struct aha152x_hostdata *hd;
+
+ list_for_each_entry(hd, &aha152x_host_list, host_list) {
+ struct Scsi_Host *shost = container_of((void *)hd, struct Scsi_Host, hostdata);
- for(i=0; i<ARRAY_SIZE(setup); i++) {
- aha152x_release(aha152x_host[i]);
- aha152x_host[i]=NULL;
+ aha152x_release(shost);
}
}