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authorJoerg Roedel <joerg.roedel@amd.com>2009-11-20 15:30:58 +0100
committerJoerg Roedel <joerg.roedel@amd.com>2009-11-27 14:16:26 +0100
commitdcd1e92e405449ecc5e8bd8fcfebf3b2a13d3d37 (patch)
tree8c40ea4593985366369de1e9255a8baf478d07b1 /arch
parent6de8ad9b9ee0ec5b52ec8ec41401833e5e89186f (diff)
x86/amd-iommu: Use __iommu_flush_pages for tlb flushes
This patch re-implements iommu_flush_tlb functions to use the __iommu_flush_pages logic. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kernel/amd_iommu.c22
1 files changed, 7 insertions, 15 deletions
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index 7c06e574008f..c55aa079ded3 100644
--- a/arch/x86/kernel/amd_iommu.c
+++ b/arch/x86/kernel/amd_iommu.c
@@ -451,7 +451,7 @@ static void __iommu_flush_pages(struct protection_domain *domain,
u64 address, size_t size, int pde)
{
int s = 0, i;
- unsigned pages = iommu_num_pages(address, size, PAGE_SIZE);
+ unsigned long pages = iommu_num_pages(address, size, PAGE_SIZE);
address &= PAGE_MASK;
@@ -487,23 +487,15 @@ static void iommu_flush_pages(struct protection_domain *domain,
}
/* Flush the whole IO/TLB for a given protection domain */
-static void iommu_flush_tlb(struct amd_iommu *iommu, u16 domid)
+static void iommu_flush_tlb(struct protection_domain *domain)
{
- u64 address = CMD_INV_IOMMU_ALL_PAGES_ADDRESS;
-
- INC_STATS_COUNTER(domain_flush_single);
-
- iommu_queue_inv_iommu_pages(iommu, address, domid, 0, 1);
+ __iommu_flush_pages(domain, 0, CMD_INV_IOMMU_ALL_PAGES_ADDRESS, 0);
}
/* Flush the whole IO/TLB for a given protection domain - including PDE */
-static void iommu_flush_tlb_pde(struct amd_iommu *iommu, u16 domid)
+static void iommu_flush_tlb_pde(struct protection_domain *domain)
{
- u64 address = CMD_INV_IOMMU_ALL_PAGES_ADDRESS;
-
- INC_STATS_COUNTER(domain_flush_single);
-
- iommu_queue_inv_iommu_pages(iommu, address, domid, 1, 1);
+ __iommu_flush_pages(domain, 0, CMD_INV_IOMMU_ALL_PAGES_ADDRESS, 1);
}
/*
@@ -1236,7 +1228,7 @@ static void attach_device(struct amd_iommu *iommu,
* here to evict all dirty stuff.
*/
iommu_queue_inv_dev_entry(iommu, devid);
- iommu_flush_tlb_pde(iommu, domain->id);
+ iommu_flush_tlb_pde(domain);
}
/*
@@ -1697,7 +1689,7 @@ retry:
ADD_STATS_COUNTER(alloced_io_mem, size);
if (unlikely(dma_dom->need_flush && !amd_iommu_unmap_flush)) {
- iommu_flush_tlb(iommu, dma_dom->domain.id);
+ iommu_flush_tlb(&dma_dom->domain);
dma_dom->need_flush = false;
} else if (unlikely(iommu_has_npcache(iommu)))
iommu_flush_pages(&dma_dom->domain, address, size);