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| author | Alex Williamson <alex.williamson@redhat.com> | 2011-10-21 15:56:18 -0400 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2011-11-15 12:22:30 +0100 |
| commit | 8fbdce659549d93dfb257ec4eabacf63a188e506 (patch) | |
| tree | 7a6e9762593e77775ce47e387d006337b9615db3 /drivers/iommu/amd_iommu.c | |
| parent | 70ae6f0d55bd216b2f773fa5fa5018c0490a9e50 (diff) | |
| download | linux-8fbdce659549d93dfb257ec4eabacf63a188e506.tar.gz linux-8fbdce659549d93dfb257ec4eabacf63a188e506.tar.xz linux-8fbdce659549d93dfb257ec4eabacf63a188e506.zip | |
iommu/amd: Implement iommu_device_group
Just use the amd_iommu_alias_table directly.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'drivers/iommu/amd_iommu.c')
| -rw-r--r-- | drivers/iommu/amd_iommu.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 4ee277a8521a..1d82b631d09c 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -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, }; /***************************************************************************** |