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authorJoerg Roedel <joerg.roedel@amd.com>2010-04-07 14:36:20 +0200
committerJoerg Roedel <joerg.roedel@amd.com>2010-04-07 14:36:20 +0200
commit12ff4bf58b64ad3b8fb8e27889c99dcd5aa6fb0b (patch)
tree294170ed80ca1a3abfc8b704b74d843ba205dada /arch/x86/include/asm
parent2eaa9cfdf33b8d7fb7aff27792192e0019ae8fc6 (diff)
parent20a1cfba340f23a7ca62391e199c40c86b762ea3 (diff)
Merge branch 'amd-iommu/fixes' into iommu/fixes
Diffstat (limited to 'arch/x86/include/asm')
-rw-r--r--arch/x86/include/asm/amd_iommu_types.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/include/asm/amd_iommu_types.h b/arch/x86/include/asm/amd_iommu_types.h
index ba19ad4c47d..86a0ff0aeac 100644
--- a/arch/x86/include/asm/amd_iommu_types.h
+++ b/arch/x86/include/asm/amd_iommu_types.h
@@ -21,6 +21,7 @@
#define _ASM_X86_AMD_IOMMU_TYPES_H
#include <linux/types.h>
+#include <linux/mutex.h>
#include <linux/list.h>
#include <linux/spinlock.h>
@@ -140,6 +141,7 @@
/* constants to configure the command buffer */
#define CMD_BUFFER_SIZE 8192
+#define CMD_BUFFER_UNINITIALIZED 1
#define CMD_BUFFER_ENTRIES 512
#define MMIO_CMD_SIZE_SHIFT 56
#define MMIO_CMD_SIZE_512 (0x9ULL << MMIO_CMD_SIZE_SHIFT)
@@ -237,6 +239,7 @@ struct protection_domain {
struct list_head list; /* for list of all protection domains */
struct list_head dev_list; /* List of all devices in this domain */
spinlock_t lock; /* mostly used to lock the page table*/
+ struct mutex api_lock; /* protect page tables in the iommu-api path */
u16 id; /* the domain id written to the device table */
int mode; /* paging mode (0-6 levels) */
u64 *pt_root; /* page table root pointer */