cb5867a5d8
initcalls that triggers the various possibiities for dma subsys are moved to pci-dma.c. Signed-off-by: Glauber Costa <gcosta@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
50 lines
876 B
C
50 lines
876 B
C
#include <linux/dma-mapping.h>
|
|
#include <linux/dmar.h>
|
|
|
|
#include <asm/gart.h>
|
|
#include <asm/calgary.h>
|
|
|
|
const struct dma_mapping_ops *dma_ops;
|
|
EXPORT_SYMBOL(dma_ops);
|
|
|
|
#ifdef CONFIG_IOMMU_DEBUG
|
|
int panic_on_overflow __read_mostly = 1;
|
|
int force_iommu __read_mostly = 1;
|
|
#else
|
|
int panic_on_overflow __read_mostly = 0;
|
|
int force_iommu __read_mostly = 0;
|
|
#endif
|
|
|
|
int dma_set_mask(struct device *dev, u64 mask)
|
|
{
|
|
if (!dev->dma_mask || !dma_supported(dev, mask))
|
|
return -EIO;
|
|
|
|
*dev->dma_mask = mask;
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL(dma_set_mask);
|
|
|
|
static int __init pci_iommu_init(void)
|
|
{
|
|
#ifdef CONFIG_CALGARY_IOMMU
|
|
calgary_iommu_init();
|
|
#endif
|
|
|
|
intel_iommu_init();
|
|
|
|
#ifdef CONFIG_GART_IOMMU
|
|
gart_iommu_init();
|
|
#endif
|
|
|
|
no_iommu_init();
|
|
return 0;
|
|
}
|
|
|
|
void pci_iommu_shutdown(void)
|
|
{
|
|
gart_iommu_shutdown();
|
|
}
|
|
/* Must execute after PCI subsystem */
|
|
fs_initcall(pci_iommu_init);
|