diff --git a/drivers/scsi/aacraid/commctrl.c b/drivers/scsi/aacraid/commctrl.c
index 3a8e7cac9ee2..987e35e4078e 100644
--- a/drivers/scsi/aacraid/commctrl.c
+++ b/drivers/scsi/aacraid/commctrl.c
@@ -5,7 +5,7 @@
  * based on the old aacraid driver that is..
  * Adaptec aacraid device driver for Linux.
  *
- * Copyright (c) 2000 Adaptec, Inc. (aacraid@adaptec.com)
+ * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -468,7 +468,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
 	void *sg_list[32];
 	u32   sg_indx = 0;
 	u32 byte_count = 0;
-	u32 actual_fibsize = 0;
+	u32 actual_fibsize64, actual_fibsize = 0;
 	int i;
 
 
@@ -481,7 +481,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
 		return -EPERM;
 	}
 	/*
-	 *	Allocate and initialize a Fib then setup a BlockWrite command
+	 *	Allocate and initialize a Fib then setup a SRB command
 	 */
 	if (!(srbfib = aac_fib_alloc(dev))) {
 		return -ENOMEM;
@@ -548,129 +548,183 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
 		rcode = -EINVAL;
 		goto cleanup;
 	}
-	if (dev->dac_support == 1) {
+	actual_fibsize = sizeof(struct aac_srb) - sizeof(struct sgentry) +
+		((user_srbcmd->sg.count & 0xff) * sizeof(struct sgentry));
+	actual_fibsize64 = actual_fibsize + (user_srbcmd->sg.count & 0xff) *
+	  (sizeof(struct sgentry64) - sizeof(struct sgentry));
+	/* User made a mistake - should not continue */
+	if ((actual_fibsize != fibsize) && (actual_fibsize64 != fibsize)) {
+		dprintk((KERN_DEBUG"aacraid: Bad Size specified in "
+		  "Raw SRB command calculated fibsize=%lu;%lu "
+		  "user_srbcmd->sg.count=%d aac_srb=%lu sgentry=%lu;%lu "
+		  "issued fibsize=%d\n",
+		  actual_fibsize, actual_fibsize64, user_srbcmd->sg.count,
+		  sizeof(struct aac_srb), sizeof(struct sgentry),
+		  sizeof(struct sgentry64), fibsize));
+		rcode = -EINVAL;
+		goto cleanup;
+	}
+	if ((data_dir == DMA_NONE) && user_srbcmd->sg.count) {
+		dprintk((KERN_DEBUG"aacraid: SG with no direction specified in Raw SRB command\n"));
+		rcode = -EINVAL;
+		goto cleanup;
+	}
+	byte_count = 0;
+	if (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64) {
 		struct user_sgmap64* upsg = (struct user_sgmap64*)&user_srbcmd->sg;
 		struct sgmap64* psg = (struct sgmap64*)&srbcmd->sg;
-		struct user_sgmap* usg;
-		byte_count = 0;
 
 		/*
 		 * This should also catch if user used the 32 bit sgmap
 		 */
-		actual_fibsize = sizeof(struct aac_srb) - 
-			sizeof(struct sgentry) +
-			((upsg->count & 0xff) * 
-		 	sizeof(struct sgentry));
-		if(actual_fibsize != fibsize){ // User made a mistake - should not continue
-			dprintk((KERN_DEBUG"aacraid: Bad Size specified in Raw SRB command\n"));
-			rcode = -EINVAL;
-			goto cleanup;
-		}
-		usg = kmalloc(actual_fibsize - sizeof(struct aac_srb)
-		  + sizeof(struct sgmap), GFP_KERNEL);
-		if (!usg) {
-			dprintk((KERN_DEBUG"aacraid: Allocation error in Raw SRB command\n"));
-			rcode = -ENOMEM;
-			goto cleanup;
-		}
-		memcpy (usg, upsg, actual_fibsize - sizeof(struct aac_srb)
-		  + sizeof(struct sgmap));
-		actual_fibsize = sizeof(struct aac_srb) - 
-			sizeof(struct sgentry) + ((usg->count & 0xff) * 
-			 	sizeof(struct sgentry64));
-		if ((data_dir == DMA_NONE) && upsg->count) {
-			kfree (usg);
-			dprintk((KERN_DEBUG"aacraid: SG with no direction specified in Raw SRB command\n"));
-			rcode = -EINVAL;
-			goto cleanup;
-		}
+		if (actual_fibsize64 == fibsize) {
+			actual_fibsize = actual_fibsize64;
+			for (i = 0; i < upsg->count; i++) {
+				u64 addr;
+				void* p;
+				/* Does this really need to be GFP_DMA? */
+				p = kmalloc(upsg->sg[i].count,GFP_KERNEL|__GFP_DMA);
+				if(p == 0) {
+					dprintk((KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
+					  upsg->sg[i].count,i,upsg->count));
+					rcode = -ENOMEM;
+					goto cleanup;
+				}
+				addr = (u64)upsg->sg[i].addr[0];
+				addr += ((u64)upsg->sg[i].addr[1]) << 32;
+				sg_user[i] = (void __user *)(ptrdiff_t)addr;
+				sg_list[i] = p; // save so we can clean up later
+				sg_indx = i;
 
-		for (i = 0; i < usg->count; i++) {
-			u64 addr;
-			void* p;
-			/* Does this really need to be GFP_DMA? */
-			p = kmalloc(usg->sg[i].count,GFP_KERNEL|__GFP_DMA);
-			if(p == 0) {
-				kfree (usg);
-				dprintk((KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
-				  usg->sg[i].count,i,usg->count));
+				if( flags & SRB_DataOut ){
+					if(copy_from_user(p,sg_user[i],upsg->sg[i].count)){
+						dprintk((KERN_DEBUG"aacraid: Could not copy sg data from user\n"));
+						rcode = -EFAULT;
+						goto cleanup;
+					}
+				}
+				addr = pci_map_single(dev->pdev, p, upsg->sg[i].count, data_dir);
+
+				psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
+				psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
+				byte_count += upsg->sg[i].count;
+				psg->sg[i].count = cpu_to_le32(upsg->sg[i].count);
+			}
+		} else {
+			struct user_sgmap* usg;
+			usg = kmalloc(actual_fibsize - sizeof(struct aac_srb)
+			  + sizeof(struct sgmap), GFP_KERNEL);
+			if (!usg) {
+				dprintk((KERN_DEBUG"aacraid: Allocation error in Raw SRB command\n"));
 				rcode = -ENOMEM;
 				goto cleanup;
 			}
-			sg_user[i] = (void __user *)(long)usg->sg[i].addr;
-			sg_list[i] = p; // save so we can clean up later
-			sg_indx = i;
+			memcpy (usg, upsg, actual_fibsize - sizeof(struct aac_srb)
+			  + sizeof(struct sgmap));
+			actual_fibsize = actual_fibsize64;
 
-			if( flags & SRB_DataOut ){
-				if(copy_from_user(p,sg_user[i],upsg->sg[i].count)){
+			for (i = 0; i < usg->count; i++) {
+				u64 addr;
+				void* p;
+				/* Does this really need to be GFP_DMA? */
+				p = kmalloc(usg->sg[i].count,GFP_KERNEL|__GFP_DMA);
+				if(p == 0) {
 					kfree (usg);
-					dprintk((KERN_DEBUG"aacraid: Could not copy sg data from user\n")); 
-					rcode = -EFAULT;
+					dprintk((KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
+					  usg->sg[i].count,i,usg->count));
+					rcode = -ENOMEM;
 					goto cleanup;
 				}
+				sg_user[i] = (void __user *)(ptrdiff_t)usg->sg[i].addr;
+				sg_list[i] = p; // save so we can clean up later
+				sg_indx = i;
+
+				if( flags & SRB_DataOut ){
+					if(copy_from_user(p,sg_user[i],upsg->sg[i].count)){
+						kfree (usg);
+						dprintk((KERN_DEBUG"aacraid: Could not copy sg data from user\n"));
+						rcode = -EFAULT;
+						goto cleanup;
+					}
+				}
+				addr = pci_map_single(dev->pdev, p, usg->sg[i].count, data_dir);
+
+				psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
+				psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
+				byte_count += usg->sg[i].count;
+				psg->sg[i].count = cpu_to_le32(usg->sg[i].count);
 			}
-			addr = pci_map_single(dev->pdev, p, usg->sg[i].count, data_dir);
-
-			psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
-			psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
-			psg->sg[i].count = cpu_to_le32(usg->sg[i].count);  
-			byte_count += usg->sg[i].count;
+			kfree (usg);
 		}
-		kfree (usg);
-
 		srbcmd->count = cpu_to_le32(byte_count);
 		psg->count = cpu_to_le32(sg_indx+1);
 		status = aac_fib_send(ScsiPortCommand64, srbfib, actual_fibsize, FsaNormal, 1, 1,NULL,NULL);
 	} else {
 		struct user_sgmap* upsg = &user_srbcmd->sg;
 		struct sgmap* psg = &srbcmd->sg;
-		byte_count = 0;
 
-		actual_fibsize = sizeof (struct aac_srb) + (((user_srbcmd->sg.count & 0xff) - 1) * sizeof (struct sgentry));
-		if(actual_fibsize != fibsize){ // User made a mistake - should not continue
-			dprintk((KERN_DEBUG"aacraid: Bad Size specified in "
-			  "Raw SRB command calculated fibsize=%d "
-			  "user_srbcmd->sg.count=%d aac_srb=%d sgentry=%d "
-			  "issued fibsize=%d\n",
-			  actual_fibsize, user_srbcmd->sg.count,
-			  sizeof(struct aac_srb), sizeof(struct sgentry),
-			  fibsize));
-			rcode = -EINVAL;
-			goto cleanup;
-		}
-		if ((data_dir == DMA_NONE) && upsg->count) {
-			dprintk((KERN_DEBUG"aacraid: SG with no direction specified in Raw SRB command\n"));
-			rcode = -EINVAL;
-			goto cleanup;
-		}
-		for (i = 0; i < upsg->count; i++) {
-			dma_addr_t addr; 
-			void* p;
-			p = kmalloc(upsg->sg[i].count, GFP_KERNEL);
-			if(p == 0) {
-				dprintk((KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
-				  upsg->sg[i].count, i, upsg->count));
-				rcode = -ENOMEM;
-				goto cleanup;
-			}
-			sg_user[i] = (void __user *)(long)upsg->sg[i].addr;
-			sg_list[i] = p; // save so we can clean up later
-			sg_indx = i;
-
-			if( flags & SRB_DataOut ){
-				if(copy_from_user(p, sg_user[i],
-						upsg->sg[i].count)) {
-					dprintk((KERN_DEBUG"aacraid: Could not copy sg data from user\n")); 
-					rcode = -EFAULT;
+		if (actual_fibsize64 == fibsize) {
+			struct user_sgmap64* usg = (struct user_sgmap64 *)upsg;
+			for (i = 0; i < upsg->count; i++) {
+				u64 addr;
+				void* p;
+				/* Does this really need to be GFP_DMA? */
+				p = kmalloc(usg->sg[i].count,GFP_KERNEL|__GFP_DMA);
+				if(p == 0) {
+					dprintk((KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
+					  usg->sg[i].count,i,usg->count));
+					rcode = -ENOMEM;
 					goto cleanup;
 				}
-			}
-			addr = pci_map_single(dev->pdev, p,
-				upsg->sg[i].count, data_dir);
+				addr = (u64)usg->sg[i].addr[0];
+				addr += ((u64)usg->sg[i].addr[1]) << 32;
+				sg_user[i] = (void __user *)(ptrdiff_t)addr;
+				sg_list[i] = p; // save so we can clean up later
+				sg_indx = i;
 
-			psg->sg[i].addr = cpu_to_le32(addr);
-			psg->sg[i].count = cpu_to_le32(upsg->sg[i].count);  
-			byte_count += upsg->sg[i].count;
+				if( flags & SRB_DataOut ){
+					if(copy_from_user(p,sg_user[i],usg->sg[i].count)){
+						dprintk((KERN_DEBUG"aacraid: Could not copy sg data from user\n"));
+						rcode = -EFAULT;
+						goto cleanup;
+					}
+				}
+				addr = pci_map_single(dev->pdev, p, usg->sg[i].count, data_dir);
+
+				psg->sg[i].addr = cpu_to_le32(addr & 0xffffffff);
+				byte_count += usg->sg[i].count;
+				psg->sg[i].count = cpu_to_le32(usg->sg[i].count);
+			}
+		} else {
+			for (i = 0; i < upsg->count; i++) {
+				dma_addr_t addr;
+				void* p;
+				p = kmalloc(upsg->sg[i].count, GFP_KERNEL);
+				if(p == 0) {
+					dprintk((KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
+					  upsg->sg[i].count, i, upsg->count));
+					rcode = -ENOMEM;
+					goto cleanup;
+				}
+				sg_user[i] = (void __user *)(ptrdiff_t)upsg->sg[i].addr;
+				sg_list[i] = p; // save so we can clean up later
+				sg_indx = i;
+
+				if( flags & SRB_DataOut ){
+					if(copy_from_user(p, sg_user[i],
+							upsg->sg[i].count)) {
+						dprintk((KERN_DEBUG"aacraid: Could not copy sg data from user\n"));
+						rcode = -EFAULT;
+						goto cleanup;
+					}
+				}
+				addr = pci_map_single(dev->pdev, p,
+					upsg->sg[i].count, data_dir);
+
+				psg->sg[i].addr = cpu_to_le32(addr);
+				byte_count += upsg->sg[i].count;
+				psg->sg[i].count = cpu_to_le32(upsg->sg[i].count);
+			}
 		}
 		srbcmd->count = cpu_to_le32(byte_count);
 		psg->count = cpu_to_le32(sg_indx+1);
@@ -689,7 +743,8 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
 
 	if( flags & SRB_DataIn ) {
 		for(i = 0 ; i <= sg_indx; i++){
-			byte_count = le32_to_cpu((dev->dac_support == 1)
+			byte_count = le32_to_cpu(
+			  (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)
 			      ? ((struct sgmap64*)&srbcmd->sg)->sg[i].count
 			      : srbcmd->sg.sg[i].count);
 			if(copy_to_user(sg_user[i], sg_list[i], byte_count)){