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x86/amd-iommu: Separate internal interface definitions

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This patch moves all function declarations which are only
used inside the driver code to a seperate header file.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
This commit is contained in:
Joerg Roedel 2009-11-20 13:22:21 +01:00
parent 273bee27fa
commit 6a9401a7ac
5 changed files with 44 additions and 11 deletions
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10
arch/x86/include/asm/amd_iommu.h
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@ -23,15 +23,13 @@
#include <linux/irqreturn.h>
#ifdef CONFIG_AMD_IOMMU
extern int amd_iommu_init_dma_ops(void);
extern int amd_iommu_init_passthrough(void);
extern void amd_iommu_detect(void);
extern irqreturn_t amd_iommu_int_handler(int irq, void *data);
extern void amd_iommu_flush_all_domains(void);
extern void amd_iommu_flush_all_devices(void);
extern void amd_iommu_apply_erratum_63(u16 devid);
#else
static inline void amd_iommu_detect(void) { }
#endif
#endif /* _ASM_X86_AMD_IOMMU_H */

38
arch/x86/include/asm/amd_iommu_proto.h Normal file
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@ -0,0 +1,38 @@
/*
* Copyright (C) 2009 Advanced Micro Devices, Inc.
* Author: Joerg Roedel <joerg.roedel@amd.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
* 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_AMD_IOMMU_PROTO_H
#define _ASM_X86_AMD_IOMMU_PROTO_H
struct amd_iommu;
extern int amd_iommu_init_dma_ops(void);
extern int amd_iommu_init_passthrough(void);
extern irqreturn_t amd_iommu_int_handler(int irq, void *data);
extern void amd_iommu_flush_all_domains(void);
extern void amd_iommu_flush_all_devices(void);
extern void amd_iommu_apply_erratum_63(u16 devid);
extern void amd_iommu_reset_cmd_buffer(struct amd_iommu *iommu);
#ifndef CONFIG_AMD_IOMMU_STATS
static inline void amd_iommu_stats_init(void) { }
#endif /* !CONFIG_AMD_IOMMU_STATS */
#endif /* _ASM_X86_AMD_IOMMU_PROTO_H */

5
arch/x86/include/asm/amd_iommu_types.h
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@ -462,11 +462,6 @@ struct __iommu_counter {
#define ADD_STATS_COUNTER(name, x)
#define SUB_STATS_COUNTER(name, x)
static inline void amd_iommu_stats_init(void) { }
#endif /* CONFIG_AMD_IOMMU_STATS */
/* some function prototypes */
extern void amd_iommu_reset_cmd_buffer(struct amd_iommu *iommu);
#endif /* _ASM_X86_AMD_IOMMU_TYPES_H */

1
arch/x86/kernel/amd_iommu.c
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@ -28,6 +28,7 @@
#include <asm/proto.h>
#include <asm/iommu.h>
#include <asm/gart.h>
#include <asm/amd_iommu_proto.h>
#include <asm/amd_iommu_types.h>
#include <asm/amd_iommu.h>

1
arch/x86/kernel/amd_iommu_init.c
View File

@ -25,6 +25,7 @@
#include <linux/interrupt.h>
#include <linux/msi.h>
#include <asm/pci-direct.h>
#include <asm/amd_iommu_proto.h>
#include <asm/amd_iommu_types.h>
#include <asm/amd_iommu.h>
#include <asm/iommu.h>