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48 lines
1.7 KiB
48 lines
1.7 KiB
/* |
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* This file is derived from asm-powerpc/tce.h. |
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* |
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* Copyright (C) IBM Corporation, 2006 |
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* |
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* Author: Muli Ben-Yehuda <muli@il.ibm.com> |
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* Author: Jon Mason <jdmason@us.ibm.com> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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#ifndef _ASM_X86_TCE_H |
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#define _ASM_X86_TCE_H |
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extern unsigned int specified_table_size; |
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struct iommu_table; |
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#define TCE_ENTRY_SIZE 8 /* in bytes */ |
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#define TCE_READ_SHIFT 0 |
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#define TCE_WRITE_SHIFT 1 |
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#define TCE_HUBID_SHIFT 2 /* unused */ |
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#define TCE_RSVD_SHIFT 8 /* unused */ |
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#define TCE_RPN_SHIFT 12 |
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#define TCE_UNUSED_SHIFT 48 /* unused */ |
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#define TCE_RPN_MASK 0x0000fffffffff000ULL |
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extern void tce_build(struct iommu_table *tbl, unsigned long index, |
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unsigned int npages, unsigned long uaddr, int direction); |
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extern void tce_free(struct iommu_table *tbl, long index, unsigned int npages); |
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extern void * __init alloc_tce_table(void); |
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extern void __init free_tce_table(void *tbl); |
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extern int __init build_tce_table(struct pci_dev *dev, void __iomem *bbar); |
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#endif /* _ASM_X86_TCE_H */
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