| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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. */ |
| 10 | #define IOPTE_VALID 0x8000000000000000UL /* IOPTE is valid */ |
| 11 | #define IOPTE_64K 0x2000000000000000UL /* IOPTE is for 64k page */ |
| 12 | #define IOPTE_STBUF 0x1000000000000000UL /* DVMA can use streaming buffer */ |
| 13 | #define IOPTE_INTRA 0x0800000000000000UL /* SBUS slot-->slot direct transfer*/ |
| 14 | #define IOPTE_CONTEXT 0x07ff800000000000UL /* Context number */ |
| 15 | #define IOPTE_PAGE 0x00007fffffffe000UL /* Physical page number (PA[42:13])*/ |
| 16 | #define IOPTE_CACHE 0x0000000000000010UL /* Cached (in UPA E-cache) */ |
| 17 | #define IOPTE_WRITE 0x0000000000000002UL /* Writeable */ |
| 18 | |
| David S. Miller | 7c963ad | 2005-05-31 16:57:59 -0700 | [diff] [blame] | 19 | #define IOMMU_NUM_CTXS 4096 |
| 20 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | #endif /* !(_SPARC_IOMMU_H) */ |