File diff 052c0cbc4bbf → 85642093068c
BLD/build/HEADERS/CUR-92-vmkdrivers-asm-x64/vmkernel64/release/asm/calgary.h
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new file 100644
 
/*
 
 * Derived from include/asm-powerpc/iommu.h
 
 *
 
 * Copyright (C) IBM Corporation, 2006
 
 *
 
 * Author: Jon Mason <jdmason@us.ibm.com>
 
 * Author: Muli Ben-Yehuda <muli@il.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_64_CALGARY_H
 
#define _ASM_X86_64_CALGARY_H
 

	
 
#include <linux/spinlock.h>
 
#include <linux/device.h>
 
#include <linux/dma-mapping.h>
 
#include <asm/types.h>
 

	
 
struct iommu_table {
 
	unsigned long  it_base;      /* mapped address of tce table */
 
	unsigned long  it_hint;      /* Hint for next alloc */
 
	unsigned long *it_map;       /* A simple allocation bitmap for now */
 
	spinlock_t     it_lock;      /* Protects it_map */
 
	unsigned int   it_size;      /* Size of iommu table in entries */
 
	unsigned char  it_busno;     /* Bus number this table belongs to */
 
	void __iomem  *bbar;
 
	u64	       tar_val;
 
	struct timer_list watchdog_timer;
 
};
 

	
 
#define TCE_TABLE_SIZE_UNSPECIFIED	~0
 
#define TCE_TABLE_SIZE_64K		0
 
#define TCE_TABLE_SIZE_128K		1
 
#define TCE_TABLE_SIZE_256K		2
 
#define TCE_TABLE_SIZE_512K		3
 
#define TCE_TABLE_SIZE_1M		4
 
#define TCE_TABLE_SIZE_2M		5
 
#define TCE_TABLE_SIZE_4M		6
 
#define TCE_TABLE_SIZE_8M		7
 

	
 
extern int use_calgary;
 

	
 
#ifdef CONFIG_CALGARY_IOMMU
 
extern int calgary_iommu_init(void);
 
extern void detect_calgary(void);
 
#else
 
static inline int calgary_iommu_init(void) { return 1; }
 
static inline void detect_calgary(void) { return; }
 
#endif
 

	
 
#endif /* _ASM_X86_64_CALGARY_H */