AuxXxilium/linux_dsm_epyc7002
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x86: clean up iommu.h and gart.h

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This remove lots of duplications in iommu.h and gart.h.

The end result of this patch is:

- iommu.h is a header file for everyone related with IOMMUs.

- gart.h is the private header file. Only pci-gart_64.c and its friends
  include it.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: fujita.tomonori@lab.ntt.co.jp
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
FUJITA Tomonori 2008-07-10 08:27:49 +09:00 committed by Ingo Molnar
parent 849567b936
commit e93be88d7e
2 changed files with 21 additions and 42 deletions
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34
include/asm-x86/gart.h
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@ -1,40 +1,14 @@
#ifndef _ASM_X8664_IOMMU_H
#define _ASM_X8664_IOMMU_H 1
#ifndef _ASM_X8664_GART_H
#define _ASM_X8664_GART_H 1
#include <asm/e820.h>
#include <asm/iommu.h>
extern void pci_iommu_shutdown(void);
extern void no_iommu_init(void);
extern int force_iommu, no_iommu;
extern int iommu_detected;
extern int agp_amd64_init(void);
#ifdef CONFIG_GART_IOMMU
extern void gart_iommu_init(void);
extern void gart_iommu_shutdown(void);
extern void __init gart_parse_options(char *);
extern void early_gart_iommu_check(void);
extern void gart_iommu_hole_init(void);
extern void set_up_gart_resume(u32, u32);
extern int fallback_aper_order;
extern int fallback_aper_force;
extern int gart_iommu_aperture;
extern int gart_iommu_aperture_allowed;
extern int gart_iommu_aperture_disabled;
extern int fix_aperture;
#else
#define gart_iommu_aperture 0
#define gart_iommu_aperture_allowed 0
#define gart_iommu_aperture_disabled 1
static inline void early_gart_iommu_check(void)
{
}
static inline void gart_iommu_shutdown(void)
{
}
#endif
/* PTE bits. */
#define GPTE_VALID 1

29
include/asm-x86/iommu.h
View File

@ -1,29 +1,34 @@
#ifndef _ASM_X8664_GART_H
#define _ASM_X8664_GART_H 1
#ifndef _ASM_X8664_IOMMU_H
#define _ASM_X8664_IOMMU_H 1
extern void pci_iommu_shutdown(void);
extern void no_iommu_init(void);
extern int force_iommu, no_iommu;
extern int iommu_detected;
#ifdef CONFIG_GART_IOMMU
extern int gart_iommu_aperture;
extern int gart_iommu_aperture_allowed;
extern int gart_iommu_aperture_disabled;
extern void early_gart_iommu_check(void);
extern void gart_iommu_init(void);
extern void gart_iommu_shutdown(void);
extern void __init gart_parse_options(char *);
extern void iommu_hole_init(void);
extern int fallback_aper_order;
extern int fallback_aper_force;
extern int iommu_aperture;
extern int iommu_aperture_allowed;
extern int iommu_aperture_disabled;
extern int fix_aperture;
extern void gart_iommu_hole_init(void);
#else
#define iommu_aperture 0
#define iommu_aperture_allowed 0
#define gart_iommu_aperture 0
#define gart_iommu_aperture_allowed 0
#define gart_iommu_aperture_disabled 1
static inline void early_gart_iommu_check(void)
{
}
static inline void gart_iommu_shutdown(void)
{
}
#endif
#endif