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e465058d | 1 | /* |
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2 | * This file is derived from asm-powerpc/tce.h. |
3 | * | |
aa0a9f37 MBY |
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 | * | |
e465058d JM |
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 | ||
1965aae3 PA |
24 | #ifndef _ASM_X86_TCE_H |
25 | #define _ASM_X86_TCE_H | |
e465058d | 26 | |
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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, | |
7c4d4784 | 42 | unsigned int npages, unsigned long uaddr, int direction); |
e465058d | 43 | extern void tce_free(struct iommu_table *tbl, long index, unsigned int npages); |
e6b33220 RD |
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); | |
e465058d | 47 | |
1965aae3 | 48 | #endif /* _ASM_X86_TCE_H */ |