1 files changed, 25 insertions, 144 deletions

diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.h b/drivers/scsi/aic7xxx/aic7xxx_osm.h
index ed9027bd8a40..30c200d5bcd5 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm.h
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm.h
@@ -59,6 +59,7 @@
 #ifndef _AIC7XXX_LINUX_H_
 #define _AIC7XXX_LINUX_H_
 
+#include <linux/config.h>
 #include <linux/types.h>
 #include <linux/blkdev.h>
 #include <linux/delay.h>
@@ -66,18 +67,21 @@
 #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 <asm/byteorder.h>
 #include <asm/io.h>
 
-#include <linux/interrupt.h> /* For tasklet support. */
-#include <linux/config.h>
-#include <linux/slab.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_eh.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_tcq.h>
 
 /* Core SCSI definitions */
 #define AIC_LIB_PREFIX ahc
-#include "scsi.h"
-#include <scsi/scsi_host.h>
 
 /* Name space conflict with BSD queue macros */
 #ifdef LIST_HEAD
@@ -106,7 +110,7 @@
 /************************* Forward Declarations *******************************/
 struct ahc_softc;
 typedef struct pci_dev *ahc_dev_softc_t;
-typedef Scsi_Cmnd      *ahc_io_ctx_t;
+typedef struct scsi_cmnd      *ahc_io_ctx_t;
 
 /******************************* Byte Order ***********************************/
 #define ahc_htobe16(x)  cpu_to_be16(x)
@@ -144,7 +148,7 @@ typedef Scsi_Cmnd      *ahc_io_ctx_t;
 extern u_int aic7xxx_no_probe;
 extern u_int aic7xxx_allow_memio;
 extern int aic7xxx_detect_complete;
-extern Scsi_Host_Template aic7xxx_driver_template;
+extern struct scsi_host_template aic7xxx_driver_template;
 
 /***************************** Bus Space/DMA **********************************/
 
@@ -174,11 +178,7 @@ struct ahc_linux_dma_tag
 };
 typedef struct ahc_linux_dma_tag* bus_dma_tag_t;
 
-struct ahc_linux_dmamap
-{
-        dma_addr_t      bus_addr;
-};
-typedef struct ahc_linux_dmamap* bus_dmamap_t;
+typedef dma_addr_t bus_dmamap_t;
 
 typedef int bus_dma_filter_t(void*, dma_addr_t);
 typedef void bus_dmamap_callback_t(void *, bus_dma_segment_t *, int, int);
@@ -281,12 +281,6 @@ ahc_scb_timer_reset(struct scb *scb, u_int usec)
 /***************************** SMP support ************************************/
 #include <linux/spinlock.h>
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) || defined(SCSI_HAS_HOST_LOCK))
-#define AHC_SCSI_HAS_HOST_LOCK 1
-#else
-#define AHC_SCSI_HAS_HOST_LOCK 0
-#endif
-
 #define AIC7XXX_DRIVER_VERSION "6.2.36"
 
 /**************************** Front End Queues ********************************/
@@ -328,20 +322,15 @@ struct ahc_cmd {
  */
 TAILQ_HEAD(ahc_busyq, ahc_cmd);
 typedef enum {
-        AHC_DEV_UNCONFIGURED     = 0x01,
         AHC_DEV_FREEZE_TIL_EMPTY = 0x02, /* Freeze queue until active == 0 */
-        AHC_DEV_TIMER_ACTIVE     = 0x04, /* Our timer is active */
-        AHC_DEV_ON_RUN_LIST      = 0x08, /* Queued to be run later */
         AHC_DEV_Q_BASIC          = 0x10, /* Allow basic device queuing */
         AHC_DEV_Q_TAGGED         = 0x20, /* Allow full SCSI2 command queueing */
         AHC_DEV_PERIODIC_OTAG    = 0x40, /* Send OTAG to prevent starvation */
-        AHC_DEV_SLAVE_CONFIGURED = 0x80  /* slave_configure() has been called */
 } ahc_linux_dev_flags;
 
 struct ahc_linux_target;
 struct ahc_linux_device {
         TAILQ_ENTRY(ahc_linux_device) links;
-        struct          ahc_busyq busyq;
 
         /*
          * The number of transactions currently
@@ -382,11 +371,6 @@ struct ahc_linux_device {
         ahc_linux_dev_flags     flags;
 
         /*
-         * Per device timer.
-         */
-        struct timer_list       timer;
-
-        /*
          * The high limit for the tags variable.
          */
         u_int                   maxtags;
@@ -419,7 +403,7 @@ struct ahc_linux_device {
 #define AHC_OTAG_THRESH 500
 
         int                     lun;
-        Scsi_Device            *scsi_device;
+        struct scsi_device       *scsi_device;
         struct                  ahc_linux_target *target;
 };
 
@@ -439,32 +423,16 @@ struct ahc_linux_target {
  * manner and are allocated below 4GB, the number of S/G segments is
  * unrestricted.
  */
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-/*
- * We dynamically adjust the number of segments in pre-2.5 kernels to
- * avoid fragmentation issues in the SCSI mid-layer's private memory
- * allocator.  See aic7xxx_osm.c ahc_linux_size_nseg() for details.
- */
-extern u_int ahc_linux_nseg;
-#define AHC_NSEG ahc_linux_nseg
-#define AHC_LINUX_MIN_NSEG 64
-#else
 #define AHC_NSEG 128
-#endif
 
 /*
  * Per-SCB OSM storage.
  */
-typedef enum {
-        AHC_UP_EH_SEMAPHORE = 0x1
-} ahc_linux_scb_flags;
-
 struct scb_platform_data {
         struct ahc_linux_device *dev;
         dma_addr_t               buf_busaddr;
         uint32_t                 xfer_len;
         uint32_t                 sense_resid;   /* Auto-Sense residual */
-        ahc_linux_scb_flags      flags;
 };
 
 /*
@@ -473,39 +441,24 @@ struct scb_platform_data {
  * alignment restrictions of the various platforms supported by
  * this driver.
  */
-typedef enum {
-        AHC_RUN_CMPLT_Q_TIMER    = 0x10
-} ahc_linux_softc_flags;
-
-TAILQ_HEAD(ahc_completeq, ahc_cmd);
-
 struct ahc_platform_data {
         /*
          * Fields accessed from interrupt context.
          */
         struct ahc_linux_target *targets[AHC_NUM_TARGETS]; 
-        TAILQ_HEAD(, ahc_linux_device) device_runq;
-        struct ahc_completeq     completeq;
 
         spinlock_t               spin_lock;
-        struct tasklet_struct    runq_tasklet;
         u_int                    qfrozen;
-        pid_t                    dv_pid;
-        struct timer_list        completeq_timer;
         struct timer_list        reset_timer;
         struct semaphore         eh_sem;
-        struct semaphore         dv_sem;
-        struct semaphore         dv_cmd_sem;    /* XXX This needs to be in
-                                                 * the target struct
-                                                 */
-        struct scsi_device      *dv_scsi_dev;
         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 */
-        uint64_t                 hw_dma_mask;
-        ahc_linux_softc_flags    flags;
+
+#define AHC_UP_EH_SEMAPHORE      0x1
+        uint32_t                 flags;
 };
 
 /************************** OS Utility Wrappers *******************************/
@@ -594,7 +547,7 @@ ahc_insb(struct ahc_softc * ahc, long port, uint8_t *array, int count)
 
 /**************************** Initialization **********************************/
 int             ahc_linux_register_host(struct ahc_softc *,
-                                        Scsi_Host_Template *);
+                                        struct scsi_host_template *);
 
 uint64_t        ahc_linux_get_memsize(void);
 
@@ -615,17 +568,6 @@ 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 acquisition and release of the above lock in midlayer entry points. */
-static __inline void ahc_midlayer_entrypoint_lock(struct ahc_softc *,
-                                                  unsigned long *flags);
-static __inline void ahc_midlayer_entrypoint_unlock(struct ahc_softc *,
-                                                    unsigned long *flags);
-
-/* Lock held during command compeletion to the upper layer */
-static __inline void ahc_done_lockinit(struct ahc_softc *);
-static __inline void ahc_done_lock(struct ahc_softc *, unsigned long *flags);
-static __inline void ahc_done_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);
@@ -651,57 +593,6 @@ ahc_unlock(struct ahc_softc *ahc, unsigned long *flags)
 }
 
 static __inline void
-ahc_midlayer_entrypoint_lock(struct ahc_softc *ahc, unsigned long *flags)
-{
-        /*
-         * In 2.5.X and some 2.4.X versions, the midlayer takes our
-         * lock just before calling us, so we avoid locking again.
-         * For other kernel versions, the io_request_lock is taken
-         * just before our entry point is called.  In this case, we
-         * trade the io_request_lock for our per-softc lock.
-         */
-#if AHC_SCSI_HAS_HOST_LOCK == 0
-        spin_unlock(&io_request_lock);
-        spin_lock(&ahc->platform_data->spin_lock);
-#endif
-}
-
-static __inline void
-ahc_midlayer_entrypoint_unlock(struct ahc_softc *ahc, unsigned long *flags)
-{
-#if AHC_SCSI_HAS_HOST_LOCK == 0
-        spin_unlock(&ahc->platform_data->spin_lock);
-        spin_lock(&io_request_lock);
-#endif
-}
-
-static __inline void
-ahc_done_lockinit(struct ahc_softc *ahc)
-{
-        /*
-         * In 2.5.X, our own lock is held during completions.
-         * In previous versions, the io_request_lock is used.
-         * In either case, we can't initialize this lock again.
-         */
-}
-
-static __inline void
-ahc_done_lock(struct ahc_softc *ahc, unsigned long *flags)
-{
-#if AHC_SCSI_HAS_HOST_LOCK == 0
-        spin_lock_irqsave(&io_request_lock, *flags);
-#endif
-}
-
-static __inline void
-ahc_done_unlock(struct ahc_softc *ahc, unsigned long *flags)
-{
-#if AHC_SCSI_HAS_HOST_LOCK == 0
-        spin_unlock_irqrestore(&io_request_lock, *flags);
-#endif
-}
-
-static __inline void
 ahc_list_lockinit(void)
 {
         spin_lock_init(&ahc_list_spinlock);
@@ -767,12 +658,6 @@ typedef enum
 } ahc_power_state;
 
 /**************************** VL/EISA Routines ********************************/
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) \
-  && (defined(__i386__) || defined(__alpha__)) \
-  && (!defined(CONFIG_EISA)))
-#define CONFIG_EISA
-#endif
-
 #ifdef CONFIG_EISA
 extern uint32_t aic7xxx_probe_eisa_vl;
 int                      ahc_linux_eisa_init(void);
@@ -888,22 +773,18 @@ ahc_flush_device_writes(struct ahc_softc *ahc)
 }
 
 /**************************** Proc FS Support *********************************/
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-int     ahc_linux_proc_info(char *, char **, off_t, int, int, int);
-#else
 int     ahc_linux_proc_info(struct Scsi_Host *, char *, char **,
                             off_t, int, int);
-#endif
 
 /*************************** Domain Validation ********************************/
 /*********************** Transaction Access Wrappers *************************/
-static __inline void ahc_cmd_set_transaction_status(Scsi_Cmnd *, uint32_t);
+static __inline void ahc_cmd_set_transaction_status(struct scsi_cmnd *, uint32_t);
 static __inline void ahc_set_transaction_status(struct scb *, uint32_t);
-static __inline void ahc_cmd_set_scsi_status(Scsi_Cmnd *, uint32_t);
+static __inline void ahc_cmd_set_scsi_status(struct scsi_cmnd *, uint32_t);
 static __inline void ahc_set_scsi_status(struct scb *, uint32_t);
-static __inline uint32_t ahc_cmd_get_transaction_status(Scsi_Cmnd *cmd);
+static __inline uint32_t ahc_cmd_get_transaction_status(struct scsi_cmnd *cmd);
 static __inline uint32_t ahc_get_transaction_status(struct scb *);
-static __inline uint32_t ahc_cmd_get_scsi_status(Scsi_Cmnd *cmd);
+static __inline uint32_t ahc_cmd_get_scsi_status(struct scsi_cmnd *cmd);
 static __inline uint32_t ahc_get_scsi_status(struct scb *);
 static __inline void ahc_set_transaction_tag(struct scb *, int, u_int);
 static __inline u_long ahc_get_transfer_length(struct scb *);
@@ -922,7 +803,7 @@ static __inline void ahc_platform_scb_free(struct ahc_softc *ahc,
 static __inline void ahc_freeze_scb(struct scb *scb);
 
 static __inline
-void ahc_cmd_set_transaction_status(Scsi_Cmnd *cmd, uint32_t status)
+void ahc_cmd_set_transaction_status(struct scsi_cmnd *cmd, uint32_t status)
 {
         cmd->result &= ~(CAM_STATUS_MASK << 16);
         cmd->result |= status << 16;
@@ -935,7 +816,7 @@ void ahc_set_transaction_status(struct scb *scb, uint32_t status)
 }
 
 static __inline
-void ahc_cmd_set_scsi_status(Scsi_Cmnd *cmd, uint32_t status)
+void ahc_cmd_set_scsi_status(struct scsi_cmnd *cmd, uint32_t status)
 {
         cmd->result &= ~0xFFFF;
         cmd->result |= status;
@@ -948,7 +829,7 @@ void ahc_set_scsi_status(struct scb *scb, uint32_t status)
 }
 
 static __inline
-uint32_t ahc_cmd_get_transaction_status(Scsi_Cmnd *cmd)
+uint32_t ahc_cmd_get_transaction_status(struct scsi_cmnd *cmd)
 {
         return ((cmd->result >> 16) & CAM_STATUS_MASK);
 }
@@ -960,7 +841,7 @@ uint32_t ahc_get_transaction_status(struct scb *scb)
 }
 
 static __inline
-uint32_t ahc_cmd_get_scsi_status(Scsi_Cmnd *cmd)
+uint32_t ahc_cmd_get_scsi_status(struct scsi_cmnd *cmd)
 {
         return (cmd->result & 0xFFFF);
 }