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authorLinus Torvalds <torvalds@linux-foundation.org>2010-07-04 23:21:39 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-07-04 23:21:39 -0400
commit71665963af194f50402a2cb1339828caff4ee9ee (patch)
treef5e39b7cd098419a7bfeee911e75ec19bb0abd63 /tools/perf/scripts/python
parent3f7d7b4bded5bd2cc9934a2ed9a7ce68feb636b0 (diff)
parent446a5a8b1eb91a6990e5c8fe29f14e7a95b69132 (diff)
Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm: ARM: 6205/1: perf: ensure counter delta is treated as unsigned ARM: 6202/1: Do not ARM_DMA_MEM_BUFFERABLE on RealView boards with L210/L220 ARM: 6201/1: RealView: Do not use outer_sync() on ARM11MPCore boards with L220 ARM: 6195/1: OMAP3: pmu: make CPU_HAS_PMU dependent on OMAP3_EMU ARM: 6194/1: change definition of cpu_relax() for ARM11MPCore ARM: 6193/1: RealView: Align the machine_desc.phys_io to 1MB section ARM: 6192/1: VExpress: Align the machine_desc.phys_io to 1MB section ARM: 6188/1: Add a config option for the ARM11MPCore DMA cache maintenance workaround ARM: 6187/1: The v6_dma_inv_range() function must preserve data on SMP ARM: 6186/1: Avoid the CONSISTENT_DMA_SIZE warning on noMMU builds ARM: mx3: mx31lilly: fix build error for !CONFIG_USB_ULPI [ARM] mmp: fix build failure due to IRQ_PMU depends on ARCH_PXA [ARM] pxa/mioa701: fix camera regression [ARM] pxa/z2: fix flash layout to final version [ARM] pxa/z2: fix missing include in battery driver [ARM] pxa: fix incorrect gpio type in udc_pxa2xx.h
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/*
 * Derived from include/asm-powerpc/iommu.h
 *
 * Copyright IBM Corporation, 2006-2007
 *
 * 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 <linux/timer.h>
#include <asm/types.h>

struct iommu_table {
	struct cal_chipset_ops *chip_ops; /* chipset specific funcs */
	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 */
	void __iomem  *bbar;         /* Bridge BAR */
	u64	       tar_val;      /* Table Address Register */
	struct timer_list watchdog_timer;
	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 */
};

struct cal_chipset_ops {
	void (*handle_quirks)(struct iommu_table *tbl, struct pci_dev *dev);
	void (*tce_cache_blast)(struct iommu_table *tbl);
	void (*dump_error_regs)(struct iommu_table *tbl);
};

#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 */