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authorJoerg Roedel <joerg.roedel@amd.com>2009-01-09 15:13:15 +0100
committerJoerg Roedel <joerg.roedel@amd.com>2009-03-17 12:56:46 +0100
commit2118d0c548e8a2205e1a29eb5b89e5f2e9ae2c8b (patch)
treed21b131fd8f32d3515ab3c0c98c52ede95825473 /arch/x86/kernel/pci-dma.c
parentac26c18bd35d982d1ba06020a992b1085fefc3e2 (diff)
dma-debug: x86 architecture bindings
Impact: make use of DMA-API debugging code in x86 Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'arch/x86/kernel/pci-dma.c')
-rw-r--r--arch/x86/kernel/pci-dma.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index f293a8df682..ebf7d454f21 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -1,4 +1,5 @@
#include <linux/dma-mapping.h>
+#include <linux/dma-debug.h>
#include <linux/dmar.h>
#include <linux/bootmem.h>
#include <linux/pci.h>
@@ -44,6 +45,9 @@ struct device x86_dma_fallback_dev = {
};
EXPORT_SYMBOL(x86_dma_fallback_dev);
+/* Number of entries preallocated for DMA-API debugging */
+#define PREALLOC_DMA_DEBUG_ENTRIES 32768
+
int dma_set_mask(struct device *dev, u64 mask)
{
if (!dev->dma_mask || !dma_supported(dev, mask))
@@ -265,6 +269,8 @@ EXPORT_SYMBOL(dma_supported);
static int __init pci_iommu_init(void)
{
+ dma_debug_init(PREALLOC_DMA_DEBUG_ENTRIES);
+
calgary_iommu_init();
intel_iommu_init();