#include <linux/ioport.h>
#include <linux/pci.h>
#include <linux/smp_lock.h>
-#include <linux/version.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_tcq.h>
+#include <scsi/scsi_transport.h>
+#include <scsi/scsi_transport_spi.h>
/* Core SCSI definitions */
#define AIC_LIB_PREFIX ahc
#define ahc_le32toh(x) le32_to_cpu(x)
#define ahc_le64toh(x) le64_to_cpu(x)
-#ifndef LITTLE_ENDIAN
-#define LITTLE_ENDIAN 1234
-#endif
-
-#ifndef BIG_ENDIAN
-#define BIG_ENDIAN 4321
-#endif
-
-#ifndef BYTE_ORDER
-#if defined(__BIG_ENDIAN)
-#define BYTE_ORDER BIG_ENDIAN
-#endif
-#if defined(__LITTLE_ENDIAN)
-#define BYTE_ORDER LITTLE_ENDIAN
-#endif
-#endif /* BYTE_ORDER */
-
/************************* Configuration Data *********************************/
extern u_int aic7xxx_no_probe;
extern u_int aic7xxx_allow_memio;
-extern int aic7xxx_detect_complete;
extern struct scsi_host_template aic7xxx_driver_template;
/***************************** Bus Space/DMA **********************************/
*/
#define ahc_dmamap_sync(ahc, dma_tag, dmamap, offset, len, op)
-/************************** Timer DataStructures ******************************/
-typedef struct timer_list ahc_timer_t;
-
/********************************** Includes **********************************/
#ifdef CONFIG_AIC7XXX_REG_PRETTY_PRINT
#define AIC_DEBUG_REGISTERS 1
#include "aic7xxx.h"
/***************************** Timer Facilities *******************************/
-#define ahc_timer_init init_timer
-#define ahc_timer_stop del_timer_sync
-typedef void ahc_linux_callback_t (u_long);
-static __inline void ahc_timer_reset(ahc_timer_t *timer, int usec,
- ahc_callback_t *func, void *arg);
-static __inline void ahc_scb_timer_reset(struct scb *scb, u_int usec);
-
-static __inline void
-ahc_timer_reset(ahc_timer_t *timer, int usec, ahc_callback_t *func, void *arg)
-{
- struct ahc_softc *ahc;
-
- ahc = (struct ahc_softc *)arg;
- del_timer(timer);
- timer->data = (u_long)arg;
- timer->expires = jiffies + (usec * HZ)/1000000;
- timer->function = (ahc_linux_callback_t*)func;
- add_timer(timer);
-}
-
static __inline void
ahc_scb_timer_reset(struct scb *scb, u_int usec)
{
- mod_timer(&scb->io_ctx->eh_timeout, jiffies + (usec * HZ)/1000000);
}
/***************************** SMP support ************************************/
#include <linux/spinlock.h>
-#define AIC7XXX_DRIVER_VERSION "6.2.36"
-
-/**************************** Front End Queues ********************************/
-/*
- * Data structure used to cast the Linux struct scsi_cmnd to something
- * that allows us to use the queue macros. The linux structure has
- * plenty of space to hold the links fields as required by the queue
- * macros, but the queue macors require them to have the correct type.
- */
-struct ahc_cmd_internal {
- /* Area owned by the Linux scsi layer. */
- uint8_t private[offsetof(struct scsi_cmnd, SCp.Status)];
- union {
- STAILQ_ENTRY(ahc_cmd) ste;
- LIST_ENTRY(ahc_cmd) le;
- TAILQ_ENTRY(ahc_cmd) tqe;
- } links;
- uint32_t end;
-};
-
-struct ahc_cmd {
- union {
- struct ahc_cmd_internal icmd;
- struct scsi_cmnd scsi_cmd;
- } un;
-};
-
-#define acmd_icmd(cmd) ((cmd)->un.icmd)
-#define acmd_scsi_cmd(cmd) ((cmd)->un.scsi_cmd)
-#define acmd_links un.icmd.links
+#define AIC7XXX_DRIVER_VERSION "7.0"
/*************************** Device Data Structures ***************************/
/*
* after a successfully completed inquiry command to the target when
* that inquiry data indicates a lun is present.
*/
-TAILQ_HEAD(ahc_busyq, ahc_cmd);
typedef enum {
AHC_DEV_FREEZE_TIL_EMPTY = 0x02, /* Freeze queue until active == 0 */
AHC_DEV_Q_BASIC = 0x10, /* Allow basic device queuing */
struct ahc_linux_target;
struct ahc_linux_device {
- TAILQ_ENTRY(ahc_linux_device) links;
-
/*
* The number of transactions currently
* queued to the device.
*/
u_int commands_since_idle_or_otag;
#define AHC_OTAG_THRESH 500
-
- int lun;
- struct scsi_device *scsi_device;
- struct ahc_linux_target *target;
};
struct ahc_linux_target {
- struct ahc_linux_device *devices[AHC_NUM_LUNS];
- int channel;
- int target;
- int refcount;
+ struct scsi_device *sdev[AHC_NUM_LUNS];
struct ahc_transinfo last_tinfo;
struct ahc_softc *ahc;
};
/*
* Fields accessed from interrupt context.
*/
- struct ahc_linux_target *targets[AHC_NUM_TARGETS];
+ struct scsi_target *starget[AHC_NUM_TARGETS];
spinlock_t spin_lock;
u_int qfrozen;
- struct timer_list reset_timer;
- struct semaphore eh_sem;
+ struct completion *eh_done;
struct Scsi_Host *host; /* pointer to scsi host */
#define AHC_LINUX_NOIRQ ((uint32_t)~0)
uint32_t irq; /* IRQ for this adapter */
uint32_t bios_address;
uint32_t mem_busaddr; /* Mem Base Addr */
-
-#define AHC_UP_EH_SEMAPHORE 0x1
- uint32_t flags;
};
/************************** OS Utility Wrappers *******************************/
int ahc_linux_register_host(struct ahc_softc *,
struct scsi_host_template *);
-uint64_t ahc_linux_get_memsize(void);
-
/*************************** Pretty Printing **********************************/
struct info_str {
char *buffer;
/******************************** Locking *************************************/
/* Lock protecting internal data structures */
-static __inline void ahc_lockinit(struct ahc_softc *);
-static __inline void ahc_lock(struct ahc_softc *, unsigned long *flags);
-static __inline void ahc_unlock(struct ahc_softc *, unsigned long *flags);
-
-/* Lock held during ahc_list manipulation and ahc softc frees */
-extern spinlock_t ahc_list_spinlock;
-static __inline void ahc_list_lockinit(void);
-static __inline void ahc_list_lock(unsigned long *flags);
-static __inline void ahc_list_unlock(unsigned long *flags);
static __inline void
ahc_lockinit(struct ahc_softc *ahc)
spin_unlock_irqrestore(&ahc->platform_data->spin_lock, *flags);
}
-static __inline void
-ahc_list_lockinit(void)
-{
- spin_lock_init(&ahc_list_spinlock);
-}
-
-static __inline void
-ahc_list_lock(unsigned long *flags)
-{
- spin_lock_irqsave(&ahc_list_spinlock, *flags);
-}
-
-static __inline void
-ahc_list_unlock(unsigned long *flags)
-{
- spin_unlock_irqrestore(&ahc_list_spinlock, *flags);
-}
-
/******************************* PCI Definitions ******************************/
/*
* PCIM_xxx: mask to locate subfield in register
/**************************** VL/EISA Routines ********************************/
#ifdef CONFIG_EISA
-extern uint32_t aic7xxx_probe_eisa_vl;
int ahc_linux_eisa_init(void);
void ahc_linux_eisa_exit(void);
int aic7770_map_registers(struct ahc_softc *ahc,
static __inline void
ahc_platform_scb_free(struct ahc_softc *ahc, struct scb *scb)
{
- ahc->flags &= ~AHC_RESOURCE_SHORTAGE;
}
int ahc_platform_alloc(struct ahc_softc *ahc, void *platform_arg);
irqreturn_t
ahc_linux_isr(int irq, void *dev_id, struct pt_regs * regs);
void ahc_platform_flushwork(struct ahc_softc *ahc);
-int ahc_softc_comp(struct ahc_softc *, struct ahc_softc *);
void ahc_done(struct ahc_softc*, struct scb*);
void ahc_send_async(struct ahc_softc *, char channel,
u_int target, u_int lun, ac_code, void *);
git://git.onelab.eu / linux-2.6.git / blobdiff