提交 007b74ba 编写于 作者: J Joerg Roedel

iommu/amd: Move 'struct dma_ops_domain' definition to amd_iommu.c

It is only used in this file anyway, so keep it there. Same
with 'struct aperture_range'.
Signed-off-by: NJoerg Roedel <jroedel@suse.de>
上级 a7fb668f
...@@ -114,6 +114,46 @@ struct kmem_cache *amd_iommu_irq_cache; ...@@ -114,6 +114,46 @@ struct kmem_cache *amd_iommu_irq_cache;
static void update_domain(struct protection_domain *domain); static void update_domain(struct protection_domain *domain);
static int protection_domain_init(struct protection_domain *domain); static int protection_domain_init(struct protection_domain *domain);
/*
* For dynamic growth the aperture size is split into ranges of 128MB of
* DMA address space each. This struct represents one such range.
*/
struct aperture_range {
/* address allocation bitmap */
unsigned long *bitmap;
/*
* Array of PTE pages for the aperture. In this array we save all the
* leaf pages of the domain page table used for the aperture. This way
* we don't need to walk the page table to find a specific PTE. We can
* just calculate its address in constant time.
*/
u64 *pte_pages[64];
unsigned long offset;
};
/*
* Data container for a dma_ops specific protection domain
*/
struct dma_ops_domain {
/* generic protection domain information */
struct protection_domain domain;
/* size of the aperture for the mappings */
unsigned long aperture_size;
/* address we start to search for free addresses */
unsigned long next_address;
/* address space relevant data */
struct aperture_range *aperture[APERTURE_MAX_RANGES];
/* This will be set to true when TLB needs to be flushed */
bool need_flush;
};
/**************************************************************************** /****************************************************************************
* *
* Helper functions * Helper functions
......
...@@ -424,46 +424,6 @@ struct protection_domain { ...@@ -424,46 +424,6 @@ struct protection_domain {
void *priv; /* private data */ void *priv; /* private data */
}; };
/*
* For dynamic growth the aperture size is split into ranges of 128MB of
* DMA address space each. This struct represents one such range.
*/
struct aperture_range {
/* address allocation bitmap */
unsigned long *bitmap;
/*
* Array of PTE pages for the aperture. In this array we save all the
* leaf pages of the domain page table used for the aperture. This way
* we don't need to walk the page table to find a specific PTE. We can
* just calculate its address in constant time.
*/
u64 *pte_pages[64];
unsigned long offset;
};
/*
* Data container for a dma_ops specific protection domain
*/
struct dma_ops_domain {
/* generic protection domain information */
struct protection_domain domain;
/* size of the aperture for the mappings */
unsigned long aperture_size;
/* address we start to search for free addresses */
unsigned long next_address;
/* address space relevant data */
struct aperture_range *aperture[APERTURE_MAX_RANGES];
/* This will be set to true when TLB needs to be flushed */
bool need_flush;
};
/* /*
* Structure where we save information about one hardware AMD IOMMU in the * Structure where we save information about one hardware AMD IOMMU in the
* system. * system.
......
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