X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fscsi%2Faic7xxx%2Faic79xx.reg;h=be14e2ecb8f796b6bdaebe3c4926481160a238bd;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=cca58edc8648c4e68256a26d0eeb173f34bb0f39;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git

diff --git a/drivers/scsi/aic7xxx/aic79xx.reg b/drivers/scsi/aic7xxx/aic79xx.reg
index cca58edc8..be14e2ecb 100644
--- a/drivers/scsi/aic7xxx/aic79xx.reg
+++ b/drivers/scsi/aic7xxx/aic79xx.reg
@@ -1,7 +1,7 @@
 /*
  * Aic79xx register and scratch ram definitions.
  *
- * Copyright (c) 1994-2001 Justin T. Gibbs.
+ * Copyright (c) 1994-2001, 2004 Justin T. Gibbs.
  * Copyright (c) 2000-2002 Adaptec Inc.
  * All rights reserved.
  *
@@ -39,7 +39,7 @@
  *
  * $FreeBSD$
  */
-VERSION = "$Id: //depot/aic7xxx/aic7xxx/aic79xx.reg#70 $"
+VERSION = "$Id: //depot/aic7xxx/aic7xxx/aic79xx.reg#77 $"
 
 /*
  * This file is processed by the aic7xxx_asm utility for use in assembling
@@ -65,13 +65,6 @@ VERSION = "$Id: //depot/aic7xxx/aic7xxx/aic79xx.reg#70 $"
 		mvi	MODE_PTR, MK_MODE(src, dst);			\
 	}
 
-#define TOGGLE_DFF_MODE							\
-	if ((ahd->bugs & AHD_SET_MODE_BUG) != 0) {			\
-		call	toggle_dff_mode_work_around;			\
-	} else {							\
-		xor	MODE_PTR, MK_MODE(M_DFF1, M_DFF1);		\
-	}
-	
 #define RESTORE_MODE(mode)						\
 	if ((ahd->bugs & AHD_SET_MODE_BUG) != 0) {			\
 		mov	mode call set_mode_work_around;			\
@@ -1199,7 +1192,7 @@ register TARGPCISTAT {
 
 /*
  * LQ Packet In
- * The last LQ Packet received
+ * The last LQ Packet recieved
  */
 register LQIN {
 	address			0x020
@@ -3542,10 +3535,34 @@ scratch_ram {
 	COMPLETE_DMA_SCB_HEAD {
 		size		2
 	}
-	/* Counting semaphore to prevent new select-outs */
+	/*
+	 * tail of list of SCBs that have
+	 * completed but need to be uploaded
+	 * to the host prior to being completed.
+	 */
+	COMPLETE_DMA_SCB_TAIL {
+		size		2
+	}
+	/*
+	 * head of list of SCBs that have
+	 * been uploaded to the host, but cannot
+	 * be completed until the QFREEZE is in
+	 * full effect (i.e. no selections pending).
+	 */
+	COMPLETE_ON_QFREEZE_HEAD {
+		size		2
+	}
+	/*
+	 * Counting semaphore to prevent new select-outs
+	 * The queue is frozen so long as the sequencer
+	 * and kernel freeze counts differ.
+	 */
 	QFREEZE_COUNT {
 		size		2
 	}
+	KERNEL_QFREEZE_COUNT {
+		size		2
+	}
 	/*
 	 * Mode to restore on legacy idle loop exit.
 	 */
@@ -3624,6 +3641,17 @@ scratch_ram {
 	QOUTFIFO_ENTRY_VALID_TAG {
 		size		1
 	}
+	/*
+	 * Kernel and sequencer offsets into the queue of
+	 * incoming target mode command descriptors.  The
+	 * queue is full when the KERNEL_TQINPOS == TQINPOS.
+	 */
+	KERNEL_TQINPOS {
+		size		1
+	}
+	TQINPOS {                
+		size		1
+	}
 	/*
 	 * Base address of our shared data with the kernel driver in host
 	 * memory.  This includes the qoutfifo and target mode
@@ -3639,17 +3667,6 @@ scratch_ram {
 	QOUTFIFO_NEXT_ADDR {
 		size		4
 	}
-	/*
-	 * Kernel and sequencer offsets into the queue of
-	 * incoming target mode command descriptors.  The
-	 * queue is full when the KERNEL_TQINPOS == TQINPOS.
-	 */
-	KERNEL_TQINPOS {
-		size		1
-	}
-	TQINPOS {                
-		size		1
-	}
 	ARG_1 {
 		size		1
 		mask	SEND_MSG		0x80
@@ -3698,8 +3715,9 @@ scratch_ram {
 
 	SEQ_FLAGS2 {
 		size		1
-		field	TARGET_MSG_PENDING	  0x02
-		field	SELECTOUT_QFROZEN	  0x04
+		field	PENDING_MK_MESSAGE	0x01
+		field	TARGET_MSG_PENDING	0x02
+		field	SELECTOUT_QFROZEN	0x04
 	}
 
 	ALLOCFIFO_SCBPTR {
@@ -3760,6 +3778,26 @@ scratch_ram {
 	CMDSIZE_TABLE {
 		size		8
 	}
+	/*
+	 * When an SCB with the MK_MESSAGE flag is
+	 * queued to the controller, it cannot enter
+	 * the waiting for selection list until the
+	 * selections for any previously queued
+	 * commands to that target complete.  During
+	 * the wait, the MK_MESSAGE SCB is queued
+	 * here.
+	 */
+	MK_MESSAGE_SCB {
+		size		2
+	}
+	/*
+	 * Saved SCSIID of MK_MESSAGE_SCB to avoid
+	 * an extra SCBPTR operation when deciding
+	 * if the MK_MESSAGE_SCB can be run.
+	 */
+	MK_MESSAGE_SCSIID {
+		size		1
+	}
 }
 
 /************************* Hardware SCB Definition ****************************/
@@ -3951,6 +3989,7 @@ const SG_PREFETCH_ADDR_MASK download
 const SG_SIZEOF download
 const PKT_OVERRUN_BUFOFFSET download
 const SCB_TRANSFER_SIZE	download
+const CACHELINE_MASK download
 
 /*
  * BIOS SCB offsets