mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-28 23:23:55 +08:00
1965aae3c9
Change header guards named "ASM_X86__*" to "_ASM_X86_*" since: a. the double underscore is ugly and pointless. b. no leading underscore violates namespace constraints. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
49 lines
1.7 KiB
C
49 lines
1.7 KiB
C
/*
|
|
* 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 */
|