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| author | Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> | 2022-07-06 17:07:53 +0530 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2022-07-07 09:37:34 +0200 |
| commit | 04230c119930299f2a30de783c0a643481a66eed (patch) | |
| tree | dbe6d93c3f8a26b6b43379956d16725245999052 /drivers/iommu/amd/amd_iommu.h | |
| parent | 404ec4e4c169fb64da6b2a38b471c13ac0897c76 (diff) | |
| download | linux-04230c119930299f2a30de783c0a643481a66eed.tar.bz2 | |
iommu/amd: Introduce per PCI segment device table
Introduce per PCI segment device table. All IOMMUs within the segment
will share this device table. This will replace global device
table i.e. amd_iommu_dev_table.
Also introduce helper function to get the device table for the given IOMMU.
Co-developed-by: Vasant Hegde <vasant.hegde@amd.com>
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Link: https://lore.kernel.org/r/20220706113825.25582-4-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/amd/amd_iommu.h')
| -rw-r--r-- | drivers/iommu/amd/amd_iommu.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/iommu/amd/amd_iommu.h b/drivers/iommu/amd/amd_iommu.h index 1ab31074f5b3..885570cd0d77 100644 --- a/drivers/iommu/amd/amd_iommu.h +++ b/drivers/iommu/amd/amd_iommu.h @@ -128,4 +128,5 @@ static inline void amd_iommu_apply_ivrs_quirks(void) { } extern void amd_iommu_domain_set_pgtable(struct protection_domain *domain, u64 *root, int mode); +extern struct dev_table_entry *get_dev_table(struct amd_iommu *iommu); #endif |