projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* $Id: iommu.h,v 1.10 2001/03/08 09:55:56 davem Exp $ |
| 2 | * iommu.h: Definitions for the sun5 IOMMU. | |
| 3 | * | |
| 4 | * Copyright (C) 1996, 1999 David S. Miller (davem@caip.rutgers.edu) | |
| 5 | */ | |
| 6 | #ifndef _SPARC64_IOMMU_H | |
| 7 | #define _SPARC64_IOMMU_H | |
| 8 | ||
| 9 | /* The format of an iopte in the page tables. */ | |
| 9b3627f3 DM |
10 | #define IOPTE_VALID 0x8000000000000000UL |
| 11 | #define IOPTE_64K 0x2000000000000000UL | |
| 12 | #define IOPTE_STBUF 0x1000000000000000UL | |
| 13 | #define IOPTE_INTRA 0x0800000000000000UL | |
| 14 | #define IOPTE_CONTEXT 0x07ff800000000000UL | |
| 15 | #define IOPTE_PAGE 0x00007fffffffe000UL | |
| 16 | #define IOPTE_CACHE 0x0000000000000010UL | |
| 17 | #define IOPTE_WRITE 0x0000000000000002UL | |
| 1da177e4 | 18 | |
| 7c963ad1 DM |
19 | #define IOMMU_NUM_CTXS 4096 |
| 20 | ||
| 9b3627f3 DM |
21 | struct iommu_arena { |
| 22 | unsigned long *map; | |
| 23 | unsigned int hint; | |
| 24 | unsigned int limit; | |
| 25 | }; | |
| 26 | ||
| 1da177e4 | 27 | #endif /* !(_SPARC_IOMMU_H) */ |