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AMD IOMMU: save pci segment from ACPI tables 

This patch adds the pci_seg field to the amd_iommu structure and fills
it with the corresponding value from the ACPI table.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Joerg Roedel 2008-09-08 14:48:04 +02:00 committed by Ingo Molnar
parent 335503e57b
commit ee893c24ed
2 changed files with 4 additions and 0 deletions
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1
arch/x86/kernel/amd_iommu_init.c
View File

@ -676,6 +676,7 @@ static int __init init_iommu_one(struct amd_iommu *iommu, struct ivhd_header *h)
*/
iommu->devid = h->devid;
iommu->cap_ptr = h->cap_ptr;
iommu->pci_seg = h->pci_seg;
iommu->mmio_phys = h->mmio_phys;
iommu->mmio_base = iommu_map_mmio_space(h->mmio_phys);
if (!iommu->mmio_base)

3
include/asm-x86/amd_iommu_types.h
View File

@ -232,6 +232,9 @@ struct amd_iommu {
/* capabilities of that IOMMU read from ACPI */
u32 cap;
/* pci domain of this IOMMU */
u16 pci_seg;
/* first device this IOMMU handles. read from PCI */
u16 first_device;
/* last device this IOMMU handles. read from PCI */