X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fscsi%2Fsym53c8xx_2%2Fsym_hipd.h;h=79ab6a177039956cf6da70a12c160982c0f61620;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=a95cbe4b8e39f988f21503654c85ab3ff74b4021;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git

diff --git a/drivers/scsi/sym53c8xx_2/sym_hipd.h b/drivers/scsi/sym53c8xx_2/sym_hipd.h
index a95cbe4b8..79ab6a177 100644
--- a/drivers/scsi/sym53c8xx_2/sym_hipd.h
+++ b/drivers/scsi/sym53c8xx_2/sym_hipd.h
@@ -37,6 +37,8 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
+#include <linux/gfp.h>
+
 #ifndef SYM_HIPD_H
 #define SYM_HIPD_H
 
@@ -46,12 +48,6 @@
  *  They may be defined in platform specific headers, if they 
  *  are useful.
  *
- *    SYM_OPT_HANDLE_DIR_UNKNOWN
- *        When this option is set, the SCRIPTS used by the driver 
- *        are able to handle SCSI transfers with direction not 
- *        supplied by user.
- *        (set for Linux-2.0.X)
- *
  *    SYM_OPT_HANDLE_DEVICE_QUEUEING
  *        When this option is set, the driver will use a queue per 
  *        device and handle QUEUE FULL status requeuing internally.
@@ -62,7 +58,6 @@
  *        (set for Linux)
  */
 #if 0
-#define SYM_OPT_HANDLE_DIR_UNKNOWN
 #define SYM_OPT_HANDLE_DEVICE_QUEUEING
 #define SYM_OPT_LIMIT_COMMAND_REORDERING
 #endif
@@ -151,6 +146,16 @@
  */
 #define	SYM_CONF_MIN_ASYNC (40)
 
+
+/*
+ * MEMORY ALLOCATOR.
+ */
+
+#define SYM_MEM_WARN	1	/* Warn on failed operations */
+
+#define SYM_MEM_PAGE_ORDER 0	/* 1 PAGE  maximum */
+#define SYM_MEM_CLUSTER_SHIFT	(PAGE_SHIFT+SYM_MEM_PAGE_ORDER)
+#define SYM_MEM_FREE_UNUSED	/* Free unused pages immediately */
 /*
  *  Shortest memory chunk is (1<<SYM_MEM_SHIFT), currently 16.
  *  Actual allocations happen as SYM_MEM_CLUSTER_SIZE sized.
@@ -404,19 +409,6 @@ struct sym_tcb {
 	struct sym_lcb **lunmp;		/* Other LCBs [1..MAX_LUN]	*/
 #endif
 
-	/*
-	 *  Bitmap that tells about LUNs that succeeded at least 
-	 *  1 IO and therefore assumed to be a real device.
-	 *  Avoid useless allocation of the LCB structure.
-	 */
-	u32	lun_map[(SYM_CONF_MAX_LUN+31)/32];
-
-	/*
-	 *  Bitmap that tells about LUNs that haven't yet an LCB 
-	 *  allocated (not discovered or LCB allocation failed).
-	 */
-	u32	busy0_map[(SYM_CONF_MAX_LUN+31)/32];
-
 #ifdef	SYM_HAVE_STCB
 	/*
 	 *  O/S specific data structure.
@@ -442,9 +434,11 @@ struct sym_tcb {
 	 *  Other user settable limits and options.
 	 *  These limits are read from the NVRAM if present.
 	 */
-	u_char	usrflags;
-	u_short	usrtags;
-	struct scsi_device *sdev;
+	unsigned char	usrflags;
+	unsigned char	usr_period;
+	unsigned char	usr_width;
+	unsigned short	usrtags;
+	struct scsi_target *starget;
 };
 
 /*
@@ -660,9 +654,6 @@ struct sym_ccbh {
 	 */
 	u32	savep;		/* Jump address to saved data pointer	*/
 	u32	lastp;		/* SCRIPTS address at end of data	*/
-#ifdef	SYM_OPT_HANDLE_DIR_UNKNOWN
-	u32	wlastp;
-#endif
 
 	/*
 	 *  Status fields.
@@ -754,10 +745,8 @@ struct sym_ccb {
 	int	segments;	/* Number of SG segments	*/
 
 	u8	order;		/* Tag type (if tagged command)	*/
+	unsigned char odd_byte_adjustment;	/* odd-sized req on wide bus */
 
-	/*
-	 *  Miscellaneous status'.
-	 */
 	u_char	nego_status;	/* Negotiation status		*/
 	u_char	xerr_status;	/* Extended error flags		*/
 	u32	extra_bytes;	/* Extraneous bytes transferred	*/
@@ -794,9 +783,6 @@ struct sym_ccb {
 	SYM_QUEHEAD link_ccbq;	/* Link to free/busy CCB queue	*/
 	u32	startp;		/* Initial data pointer		*/
 	u32	goalp;		/* Expected last data pointer	*/
-#ifdef	SYM_OPT_HANDLE_DIR_UNKNOWN
-	u32	wgoalp;
-#endif
 	int	ext_sg;		/* Extreme data pointer, used	*/
 	int	ext_ofs;	/*  to calculate the residual.	*/
 #ifdef SYM_OPT_HANDLE_DEVICE_QUEUEING
@@ -809,13 +795,7 @@ struct sym_ccb {
 #endif
 };
 
-#define CCB_BA(cp,lbl)	(cp->ccb_ba + offsetof(struct sym_ccb, lbl))
-
-#ifdef	SYM_OPT_HANDLE_DIR_UNKNOWN
-#define	sym_goalp(cp) ((cp->host_flags & HF_DATA_IN) ? cp->goalp : cp->wgoalp)
-#else
-#define	sym_goalp(cp) (cp->goalp)
-#endif
+#define CCB_BA(cp,lbl)	cpu_to_scr(cp->ccb_ba + offsetof(struct sym_ccb, lbl))
 
 typedef struct device *m_pool_ident_t;
 
@@ -1067,9 +1047,10 @@ char *sym_driver_name(void);
 void sym_print_xerr(struct scsi_cmnd *cmd, int x_status);
 int sym_reset_scsi_bus(struct sym_hcb *np, int enab_int);
 struct sym_chip *sym_lookup_chip_table(u_short device_id, u_char revision);
-void sym_put_start_queue(struct sym_hcb *np, struct sym_ccb *cp);
 #ifdef SYM_OPT_HANDLE_DEVICE_QUEUEING
 void sym_start_next_ccbs(struct sym_hcb *np, struct sym_lcb *lp, int maxn);
+#else
+void sym_put_start_queue(struct sym_hcb *np, struct sym_ccb *cp);
 #endif
 void sym_start_up(struct sym_hcb *np, int reason);
 void sym_interrupt(struct sym_hcb *np);
@@ -1125,81 +1106,10 @@ bad:
 #error "Unsupported DMA addressing mode"
 #endif
 
-/*
- *  Set up data pointers used by SCRIPTS.
- *  Called from O/S specific code.
- */
-static inline void sym_setup_data_pointers(struct sym_hcb *np,
-		struct sym_ccb *cp, int dir)
-{
-	u32 lastp, goalp;
-
-	/*
-	 *  No segments means no data.
-	 */
-	if (!cp->segments)
-		dir = CAM_DIR_NONE;
-
-	/*
-	 *  Set the data pointer.
-	 */
-	switch(dir) {
-#ifdef	SYM_OPT_HANDLE_DIR_UNKNOWN
-	case CAM_DIR_UNKNOWN:
-#endif
-	case CAM_DIR_OUT:
-		goalp = SCRIPTA_BA(np, data_out2) + 8;
-		lastp = goalp - 8 - (cp->segments * (2*4));
-#ifdef	SYM_OPT_HANDLE_DIR_UNKNOWN
-		cp->wgoalp = cpu_to_scr(goalp);
-		if (dir != CAM_DIR_UNKNOWN)
-			break;
-		cp->phys.head.wlastp = cpu_to_scr(lastp);
-		/* fall through */
-#else
-		break;
-#endif
-	case CAM_DIR_IN:
-		cp->host_flags |= HF_DATA_IN;
-		goalp = SCRIPTA_BA(np, data_in2) + 8;
-		lastp = goalp - 8 - (cp->segments * (2*4));
-		break;
-	case CAM_DIR_NONE:
-	default:
-#ifdef	SYM_OPT_HANDLE_DIR_UNKNOWN
-		cp->host_flags |= HF_DATA_IN;
-#endif
-		lastp = goalp = SCRIPTB_BA(np, no_data);
-		break;
-	}
-
-	/*
-	 *  Set all pointers values needed by SCRIPTS.
-	 */
-	cp->phys.head.lastp = cpu_to_scr(lastp);
-	cp->phys.head.savep = cpu_to_scr(lastp);
-	cp->startp	    = cp->phys.head.savep;
-	cp->goalp	    = cpu_to_scr(goalp);
-
-#ifdef	SYM_OPT_HANDLE_DIR_UNKNOWN
-	/*
-	 *  If direction is unknown, start at data_io.
-	 */
-	if (dir == CAM_DIR_UNKNOWN)
-		cp->phys.head.savep = cpu_to_scr(SCRIPTB_BA(np, data_io));
-#endif
-}
-
 /*
  *  MEMORY ALLOCATOR.
  */
 
-#define SYM_MEM_PAGE_ORDER 0	/* 1 PAGE  maximum */
-#define SYM_MEM_CLUSTER_SHIFT	(PAGE_SHIFT+SYM_MEM_PAGE_ORDER)
-#define SYM_MEM_FREE_UNUSED	/* Free unused pages immediately */
-
-#define SYM_MEM_WARN	1	/* Warn on failed operations */
-
 #define sym_get_mem_cluster()	\
 	(void *) __get_free_pages(GFP_ATOMIC, SYM_MEM_PAGE_ORDER)
 #define sym_free_mem_cluster(p)	\