X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/ec2d61895a6b60afbed9661240d868405310dc7f..98e930a2a059808ccede1f1298677aa59e4b7391:/pci/pci-bother.c

diff --git a/pci/pci-bother.c b/pci/pci-bother.c
index 0c3c0ec..bc6429a 100644
--- a/pci/pci-bother.c
+++ b/pci/pci-bother.c
@@ -1,8 +1,20 @@
+/* pci-bother.c
+ * PCI bothering code
+ * NetWatch system management mode administration console
+ *
+ * Copyright (c) 2008 Jacob Potter and Joshua Wise.  All rights reserved.
+ * This program is free software; you can redistribute and/or modify it under
+ * the terms found in the file LICENSE in the root of this source tree.
+ *
+ */
+
 #include <pci.h>
+#include <pci-bother.h>
 
 struct pci_bother {
 	int bus, dev, fn;
 	unsigned short origstate;
+	unsigned long origbars[6];
 };
 
 static struct pci_bother bothers[MAX_BOTHERS];
@@ -10,6 +22,8 @@ static int nbothers = 0;
 
 int pci_bother_add(pci_dev_t *dev)
 {
+	int i;
+	
 	if (nbothers == MAX_BOTHERS)
 		return -1;
 	
@@ -18,6 +32,8 @@ int pci_bother_add(pci_dev_t *dev)
 	bothers[nbothers].fn = dev->fn;
 	
 	bothers[nbothers].origstate = pci_read16(dev->bus, dev->dev, dev->fn, 0x04);
+	for (i = 0; i < 6; i++)
+		bothers[nbothers].origbars[i] = pci_read32(dev->bus, dev->dev, dev->fn, 0x10 + i * 4);
 	
 	nbothers++;
 	
@@ -26,16 +42,24 @@ int pci_bother_add(pci_dev_t *dev)
 
 void pci_bother_all()
 {
-	int i;
+	int i, j;
 	
 	for (i = 0; i < nbothers; i++)
-		pci_write16(bothers[i].bus, bothers[i].dev, bothers[i].fn, 0x0);
+	{
+		pci_write16(bothers[i].bus, bothers[i].dev, bothers[i].fn, 0x04, 0x0);
+		for (j = 0; j < 6; j++)
+			pci_write32(bothers[i].bus, bothers[i].dev, bothers[i].fn, 0x10 + j * 4, 0);
+	}
 }
 
 void pci_unbother_all()
 {
-	int i;
+	int i, j;
 	
 	for (i = 0; i < nbothers; i++)
-		pci_write16(bothers[i].bus, bothers[i].dev, bothers[i].fn, bothers[i].origstate);
+	{
+		pci_write16(bothers[i].bus, bothers[i].dev, bothers[i].fn, 0x04, bothers[i].origstate);
+		for (j = 0; j < 6; j++)
+			pci_write32(bothers[i].bus, bothers[i].dev, bothers[i].fn, 0x10 + j * 4, bothers[i].origbars[j]);
+	}
 }