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x86, AMD IOMMU: convert driver to generic iommu_num_pages function 

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Muli Ben-Yehuda <muli@il.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Joerg Roedel 2008-10-15 22:02:11 -07:00 committed by Linus Torvalds
parent 1477b8e5f1
commit e3c449f526
1 changed files with 6 additions and 5 deletions
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11
arch/x86/kernel/amd_iommu.c
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@ -295,7 +295,7 @@ static int iommu_flush_pages(struct amd_iommu *iommu, u16 domid,
u64 address, size_t size)
{
int s = 0;
unsigned pages = iommu_nr_pages(address, size);
unsigned pages = iommu_num_pages(address, size, PAGE_SIZE);
address &= PAGE_MASK;
@ -679,8 +679,9 @@ static struct dma_ops_domain *dma_ops_domain_alloc(struct amd_iommu *iommu,
if (iommu->exclusion_start &&
iommu->exclusion_start < dma_dom->aperture_size) {
unsigned long startpage = iommu->exclusion_start >> PAGE_SHIFT;
int pages = iommu_nr_pages(iommu->exclusion_start,
iommu->exclusion_length);
int pages = iommu_num_pages(iommu->exclusion_start,
iommu->exclusion_length,
PAGE_SIZE);
dma_ops_reserve_addresses(dma_dom, startpage, pages);
}
@ -935,7 +936,7 @@ static dma_addr_t __map_single(struct device *dev,
unsigned long align_mask = 0;
int i;
pages = iommu_nr_pages(paddr, size);
pages = iommu_num_pages(paddr, size, PAGE_SIZE);
paddr &= PAGE_MASK;
if (align)
@ -980,7 +981,7 @@ static void __unmap_single(struct amd_iommu *iommu,
if ((dma_addr == 0) || (dma_addr + size > dma_dom->aperture_size))
return;
pages = iommu_nr_pages(dma_addr, size);
pages = iommu_num_pages(dma_addr, size, PAGE_SIZE);
dma_addr &= PAGE_MASK;
start = dma_addr;