#define _ASM_X86_AMD_IOMMU_TYPES_H
#include <linux/types.h>
+#include <linux/mutex.h>
#include <linux/list.h>
#include <linux/spinlock.h>
/* 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)
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 */