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Commit 8fbdce65 authored by Alex Williamson's avatar Alex Williamson Committed by Joerg Roedel
Browse files

iommu/amd: Implement iommu_device_group 



Just use the amd_iommu_alias_table directly.

Signed-off-by: default avatarAlex Williamson <alex.williamson@redhat.com>
Signed-off-by: default avatarJoerg Roedel <joerg.roedel@amd.com>
parent 70ae6f0d

drivers/iommu/amd_iommu.c

+13 −0
Original line number Diff line number Diff line
@@ -2773,6 +2773,18 @@ static int amd_iommu_domain_has_cap(struct iommu_domain *domain, 
	return 0;

}



static int amd_iommu_device_group(struct device *dev, unsigned int *groupid)

{

	struct iommu_dev_data *dev_data = dev->archdata.iommu;



	if (!dev_data)

		return -ENODEV;



	*groupid = amd_iommu_alias_table[dev_data->devid];



	return 0;

}



static struct iommu_ops amd_iommu_ops = {

	.domain_init = amd_iommu_domain_init,

	.domain_destroy = amd_iommu_domain_destroy,
@@ -2782,6 +2794,7 @@ static struct iommu_ops amd_iommu_ops = { 
	.unmap = amd_iommu_unmap,

	.iova_to_phys = amd_iommu_iova_to_phys,

	.domain_has_cap = amd_iommu_domain_has_cap,

	.device_group = amd_iommu_device_group,

};



/*****************************************************************************