amd_iommu_page_tables.h revision 7d87efa8fdfb9453670f2832df666fdae8291a84
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _AMD_IOMMU_PAGE_TABLES_H
#define _AMD_IOMMU_PAGE_TABLES_H
#ifdef __cplusplus
extern "C" {
#endif
#ifdef _KERNEL
/* Common to PTEs and PDEs */
#define AMD_IOMMU_PTDE_PR (0 << 16 | 0)
#define AMD_IOMMU_VA_SHIFT(v, l) \
#define AMD_IOMMU_VA_BITS(v, l) \
(AMD_IOMMU_VA_SHIFT(v, l) & AMD_IOMMU_VA_BITMASK(l))
#define AMD_IOMMU_VA_TOTBITS(l) \
#define AMD_IOMMU_VA_INVAL_SETMASK(l) \
#define AMD_IOMMU_VA_INVAL_CLRMASK(l) \
#define AMD_IOMMU_VA_INVAL(v, l) \
(((v) & AMD_IOMMU_VA_INVAL_CLRMASK(l)) | AMD_IOMMU_VA_INVAL_SETMASK(l))
#define AMD_IOMMU_PGTABLE_SZ (4096)
#define AMD_IOMMU_PGTABLE_MAXLEVEL (6)
#define AMD_IOMMU_PGTABLE_HASH_SZ (256)
#define PT_REF_VALID(p) ((p)->pt_ref >= 0 && \
(p)->pt_ref <= AMD_IOMMU_MAX_PDTE)
#define AMD_IOMMU_DOMAIN_HASH_SZ (256)
#define AMD_IOMMU_PGTABLE_FREELIST_MAX (256)
#define AMD_IOMMU_PA2VA_HASH_SZ (256)
#define AMD_IOMMU_VMEM_NAMELEN (30)
typedef enum {
AMD_IOMMU_IDENTITY_DOMAIN = 0xFFFD,
AMD_IOMMU_PASSTHRU_DOMAIN = 0xFFFE,
AMD_IOMMU_SYS_DOMAIN = 0xFFFF
} domain_id_t;
typedef enum {
} map_type_t;
typedef struct amd_iommu_page_table {
int pt_level;
int pt_ref;
struct amd_iommu_page_table *pt_next;
struct amd_iommu_page_table *pt_prev;
struct amd_iommu_page_table *pt_parent;
typedef struct amd_iommu_domain {
struct amd_iommu_domain *d_prev;
struct amd_iommu_domain *d_next;
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _AMD_IOMMU_PAGE_TABLES_H */