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