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Commit ee893c24 authored by Joerg Roedel's avatar Joerg Roedel Committed by Ingo Molnar
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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: default avatarJoerg Roedel <joerg.roedel@amd.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 335503e5

arch/x86/kernel/amd_iommu_init.c

+1 −0
Original line number Diff line number Diff line
@@ -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)

include/asm-x86/amd_iommu_types.h

+3 −0
Original line number Diff line number Diff line
@@ -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 */