X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fscsi%2Faacraid%2Fcommctrl.c;h=255421de9d1aa90c6ee18bbab71b4700c4f72ff7;hb=816724e65c72a90a44fbad0ef0b59b186c85fa90;hp=4fe79cd7c957664bf8a686b18d46fe490b131d7a;hpb=6e289a9023d589c24f86b29186d324215cdc9947;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/scsi/aacraid/commctrl.c b/drivers/scsi/aacraid/commctrl.c
index 4fe79cd7c95..255421de9d1 100644
--- a/drivers/scsi/aacraid/commctrl.c
+++ b/drivers/scsi/aacraid/commctrl.c
@@ -38,6 +38,8 @@
 #include <linux/completion.h>
 #include <linux/dma-mapping.h>
 #include <linux/blkdev.h>
+#include <linux/delay.h>
+#include <linux/kthread.h>
 #include <asm/semaphore.h>
 #include <asm/uaccess.h>
 
@@ -63,7 +65,7 @@ static int ioctl_send_fib(struct aac_dev * dev, void __user *arg)
 	unsigned size;
 	int retval;
 
-	fibptr = fib_alloc(dev);
+	fibptr = aac_fib_alloc(dev);
 	if(fibptr == NULL) {
 		return -ENOMEM;
 	}
@@ -73,7 +75,7 @@ static int ioctl_send_fib(struct aac_dev * dev, void __user *arg)
 	 *	First copy in the header so that we can check the size field.
 	 */
 	if (copy_from_user((void *)kfib, arg, sizeof(struct aac_fibhdr))) {
-		fib_free(fibptr);
+		aac_fib_free(fibptr);
 		return -EFAULT;
 	}
 	/*
@@ -110,13 +112,13 @@ static int ioctl_send_fib(struct aac_dev * dev, void __user *arg)
 		 */
 		kfib->header.XferState = 0;
 	} else {
-		retval = fib_send(le16_to_cpu(kfib->header.Command), fibptr,
+		retval = aac_fib_send(le16_to_cpu(kfib->header.Command), fibptr,
 				le16_to_cpu(kfib->header.Size) , FsaNormal,
 				1, 1, NULL, NULL);
 		if (retval) {
 			goto cleanup;
 		}
-		if (fib_complete(fibptr) != 0) {
+		if (aac_fib_complete(fibptr) != 0) {
 			retval = -EINVAL;
 			goto cleanup;
 		}
@@ -138,7 +140,7 @@ cleanup:
 		fibptr->hw_fib_pa = hw_fib_pa;
 		fibptr->hw_fib = hw_fib;
 	}
-	fib_free(fibptr);
+	aac_fib_free(fibptr);
 	return retval;
 }
 
@@ -293,6 +295,16 @@ return_fib:
 		status = 0;
 	} else {
 		spin_unlock_irqrestore(&dev->fib_lock, flags);
+		/* If someone killed the AIF aacraid thread, restart it */
+		status = !dev->aif_thread;
+		if (status && dev->queues && dev->fsa_dev) {
+			/* Be paranoid, be very paranoid! */
+			kthread_stop(dev->thread);
+			ssleep(1);
+			dev->aif_thread = 0;
+			dev->thread = kthread_run(aac_command_thread, dev, dev->name);
+			ssleep(1);
+		}
 		if (f.wait) {
 			if(down_interruptible(&fibctx->wait_sem) < 0) {
 				status = -EINTR;
@@ -464,10 +476,10 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
 	/*
 	 *	Allocate and initialize a Fib then setup a BlockWrite command
 	 */
-	if (!(srbfib = fib_alloc(dev))) {
+	if (!(srbfib = aac_fib_alloc(dev))) {
 		return -ENOMEM;
 	}
-	fib_init(srbfib);
+	aac_fib_init(srbfib);
 
 	srbcmd = (struct aac_srb*) fib_data(srbfib);
 
@@ -523,7 +535,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
 	default:
 		data_dir = DMA_NONE;
 	}
-	if (user_srbcmd->sg.count > (sizeof(sg_list)/sizeof(sg_list[0]))) {
+	if (user_srbcmd->sg.count > ARRAY_SIZE(sg_list)) {
 		dprintk((KERN_DEBUG"aacraid: too many sg entries %d\n",
 		  le32_to_cpu(srbcmd->sg.count)));
 		rcode = -EINVAL;
@@ -601,7 +613,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
 
 		srbcmd->count = cpu_to_le32(byte_count);
 		psg->count = cpu_to_le32(sg_indx+1);
-		status = fib_send(ScsiPortCommand64, srbfib, actual_fibsize, FsaNormal, 1, 1,NULL,NULL);
+		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;
@@ -649,7 +661,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
 		}
 		srbcmd->count = cpu_to_le32(byte_count);
 		psg->count = cpu_to_le32(sg_indx+1);
-		status = fib_send(ScsiPortCommand, srbfib, actual_fibsize, FsaNormal, 1, 1, NULL, NULL);
+		status = aac_fib_send(ScsiPortCommand, srbfib, actual_fibsize, FsaNormal, 1, 1, NULL, NULL);
 	}
 
 	if (status != 0){
@@ -684,8 +696,8 @@ cleanup:
 	for(i=0; i <= sg_indx; i++){
 		kfree(sg_list[i]);
 	}
-	fib_complete(srbfib);
-	fib_free(srbfib);
+	aac_fib_complete(srbfib);
+	aac_fib_free(srbfib);
 
 	return rcode;
 }