diff options
Diffstat (limited to 'arch/x86/include/asm/tce.h')
| -rw-r--r-- | arch/x86/include/asm/tce.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/x86/include/asm/tce.h b/arch/x86/include/asm/tce.h new file mode 100644 index 00000000000..e7932d7fbba --- /dev/null +++ b/arch/x86/include/asm/tce.h | |||
| @@ -0,0 +1,48 @@ | |||
| 1 | /* | ||
| 2 | * This file is derived from asm-powerpc/tce.h. | ||
| 3 | * | ||
| 4 | * Copyright (C) IBM Corporation, 2006 | ||
| 5 | * | ||
| 6 | * Author: Muli Ben-Yehuda <muli@il.ibm.com> | ||
| 7 | * Author: Jon Mason <jdmason@us.ibm.com> | ||
| 8 | * | ||
| 9 | * This program is free software; you can redistribute it and/or modify | ||
| 10 | * it under the terms of the GNU General Public License as published by | ||
| 11 | * the Free Software Foundation; either version 2 of the License, or | ||
| 12 | * (at your option) any later version. | ||
| 13 | * | ||
| 14 | * This program is distributed in the hope that it will be useful, | ||
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 17 | * GNU General Public License for more details. | ||
| 18 | * | ||
| 19 | * You should have received a copy of the GNU General Public License | ||
| 20 | * along with this program; if not, write to the Free Software | ||
| 21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
| 22 | */ | ||
| 23 | |||
| 24 | #ifndef ASM_X86__TCE_H | ||
| 25 | #define ASM_X86__TCE_H | ||
| 26 | |||
| 27 | extern unsigned int specified_table_size; | ||
| 28 | struct iommu_table; | ||
| 29 | |||
| 30 | #define TCE_ENTRY_SIZE 8 /* in bytes */ | ||
| 31 | |||
| 32 | #define TCE_READ_SHIFT 0 | ||
| 33 | #define TCE_WRITE_SHIFT 1 | ||
| 34 | #define TCE_HUBID_SHIFT 2 /* unused */ | ||
| 35 | #define TCE_RSVD_SHIFT 8 /* unused */ | ||
| 36 | #define TCE_RPN_SHIFT 12 | ||
| 37 | #define TCE_UNUSED_SHIFT 48 /* unused */ | ||
| 38 | |||
| 39 | #define TCE_RPN_MASK 0x0000fffffffff000ULL | ||
| 40 | |||
| 41 | extern void tce_build(struct iommu_table *tbl, unsigned long index, | ||
| 42 | unsigned int npages, unsigned long uaddr, int direction); | ||
| 43 | extern void tce_free(struct iommu_table *tbl, long index, unsigned int npages); | ||
| 44 | extern void * __init alloc_tce_table(void); | ||
| 45 | extern void __init free_tce_table(void *tbl); | ||
| 46 | extern int __init build_tce_table(struct pci_dev *dev, void __iomem *bbar); | ||
| 47 | |||
| 48 | #endif /* ASM_X86__TCE_H */ | ||