From c8aee40cc60b9546b220ff0c632cc3a95f196e23 Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Wed, 20 May 2009 12:21:42 +0200
Subject: [PATCH] --- yaml --- r: 145891 b: refs/heads/master c:
 fefda117ddb324b872312f1f061230e627c9f5ee h: refs/heads/master i:   145889:
 e9a2b85ca1bc0cde08b573460ee8fe81877d0534   145887:
 8a20800be67f1955d0b640b87ffbc6694324b0c6 v: v3

---
 [refs]                                       |  2 +-
 trunk/arch/x86/include/asm/amd_iommu_types.h |  6 ++++++
 trunk/arch/x86/kernel/amd_iommu.c            |  6 +-----
 trunk/arch/x86/kernel/amd_iommu_init.c       | 16 ++++++++++++----
 4 files changed, 20 insertions(+), 10 deletions(-)

diff --git a/[refs] b/[refs]
index 1ac881f92d36..ffaf641e45f9 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c1eee67b2d8464781f5868a34168df61e40e85a6
+refs/heads/master: fefda117ddb324b872312f1f061230e627c9f5ee
diff --git a/trunk/arch/x86/include/asm/amd_iommu_types.h b/trunk/arch/x86/include/asm/amd_iommu_types.h
index 95c8cd9d22b5..89dfb3793edd 100644
--- a/trunk/arch/x86/include/asm/amd_iommu_types.h
+++ b/trunk/arch/x86/include/asm/amd_iommu_types.h
@@ -194,6 +194,12 @@
 #define PD_DMA_OPS_MASK		(1UL << 0) /* domain used for dma_ops */
 #define PD_DEFAULT_MASK		(1UL << 1) /* domain is a default dma_ops
 					      domain for an IOMMU */
+extern bool amd_iommu_dump;
+#define DUMP_printk(format, arg...)					\
+	do {								\
+		if (amd_iommu_dump)						\
+			printk(KERN_INFO "AMD IOMMU: " format, ## arg);	\
+	} while(0);
 
 /*
  * This structure contains generic data for  IOMMU protection domains
diff --git a/trunk/arch/x86/kernel/amd_iommu.c b/trunk/arch/x86/kernel/amd_iommu.c
index d6898833c363..a97db99dad52 100644
--- a/trunk/arch/x86/kernel/amd_iommu.c
+++ b/trunk/arch/x86/kernel/amd_iommu.c
@@ -57,10 +57,6 @@ static int dma_ops_unity_map(struct dma_ops_domain *dma_dom,
 static struct dma_ops_domain *find_protection_domain(u16 devid);
 
 
-#ifndef BUS_NOTIFY_UNBOUND_DRIVER
-#define BUS_NOTIFY_UNBOUND_DRIVER 0x0005
-#endif
-
 #ifdef CONFIG_AMD_IOMMU_STATS
 
 /*
@@ -1016,7 +1012,7 @@ static int device_change_notifier(struct notifier_block *nb,
 		printk(KERN_INFO "AMD IOMMU: Using protection domain %d for "
 		       "device %s\n", dma_domain->domain.id, dev_name(dev));
 		break;
-	case BUS_NOTIFY_UNBOUND_DRIVER:
+	case BUS_NOTIFY_UNBIND_DRIVER:
 		if (!domain)
 			goto out;
 		detach_device(domain, devid);
diff --git a/trunk/arch/x86/kernel/amd_iommu_init.c b/trunk/arch/x86/kernel/amd_iommu_init.c
index a3a2b98bb39e..57fb7a7cb6e8 100644
--- a/trunk/arch/x86/kernel/amd_iommu_init.c
+++ b/trunk/arch/x86/kernel/amd_iommu_init.c
@@ -115,6 +115,8 @@ struct ivmd_header {
 	u64 range_length;
 } __attribute__((packed));
 
+bool amd_iommu_dump;
+
 static int __initdata amd_iommu_detected;
 
 u16 amd_iommu_last_bdf;			/* largest PCI device id we have
@@ -175,7 +177,7 @@ static inline void update_last_devid(u16 devid)
 static inline unsigned long tbl_size(int entry_size)
 {
 	unsigned shift = PAGE_SHIFT +
-			 get_order(((int)amd_iommu_last_bdf + 1) * entry_size);
+			 get_order(amd_iommu_last_bdf * entry_size);
 
 	return 1UL << shift;
 }
@@ -618,7 +620,7 @@ static void __init init_iommu_from_acpi(struct amd_iommu *iommu,
 		case IVHD_DEV_ALIAS:
 			devid = e->devid;
 			devid_to = e->ext >> 8;
-			set_dev_entry_from_acpi(iommu, devid_to, e->flags, 0);
+			set_dev_entry_from_acpi(iommu, devid, e->flags, 0);
 			amd_iommu_alias_table[devid] = devid_to;
 			break;
 		case IVHD_DEV_ALIAS_RANGE:
@@ -906,8 +908,6 @@ static int __init init_unity_map_range(struct ivmd_header *m)
 
 	switch (m->type) {
 	default:
-		kfree(e);
-		return 0;
 	case ACPI_IVMD_TYPE:
 		e->devid_start = e->devid_end = m->devid;
 		break;
@@ -1213,6 +1213,13 @@ void __init amd_iommu_detect(void)
  *
  ****************************************************************************/
 
+static int __init parse_amd_iommu_dump(char *str)
+{
+	amd_iommu_dump = true;
+
+	return 1;
+}
+
 static int __init parse_amd_iommu_options(char *str)
 {
 	for (; *str; ++str) {
@@ -1237,5 +1244,6 @@ static int __init parse_amd_iommu_size_options(char *str)
 	return 1;
 }
 
+__setup("amd_iommu_dump", parse_amd_iommu_dump);
 __setup("amd_iommu=", parse_amd_iommu_options);
 __setup("amd_iommu_size=", parse_amd_iommu_size_options);