diff options
| author |   Suthikulpanit, Suravee <Suravee.Suthikulpanit@amd.com> | 2019-07-23 19:00:37 +0000 |
|---|---|---|
| committer |   Joerg Roedel <jroedel@suse.de> | 2019-08-09 17:30:40 +0200 |
| commit | b9c6ff94e43a0ee053e0c1d983fba1ac4953b762 (patch) | |
| tree | d2e9958a900cbc336afcd1153b66c2479b257acf /include/linux/amd-iommu.h | |
| parent | Linux 5.3-rc3 (diff) | |
| download | linux-dev-b9c6ff94e43a0ee053e0c1d983fba1ac4953b762.tar.xz linux-dev-b9c6ff94e43a0ee053e0c1d983fba1ac4953b762.zip | |
iommu/amd: Re-factor guest virtual APIC (de-)activation code
Re-factore the logic for activate/deactivate guest virtual APIC mode (GAM)
into helper functions, and export them for other drivers (e.g. SVM).
to support run-time activate/deactivate of SVM AVIC.
Cc: Joerg Roedel <joro@8bytes.org>
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'include/linux/amd-iommu.h')
| -rw-r--r-- | include/linux/amd-iommu.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/amd-iommu.h b/include/linux/amd-iommu.h index 4a4d00646040..21e950e4ab62 100644 --- a/include/linux/amd-iommu.h +++ b/include/linux/amd-iommu.h @@ -184,6 +184,9 @@ extern int amd_iommu_register_ga_log_notifier(int (*notifier)(u32)); extern int amd_iommu_update_ga(int cpu, bool is_run, void *data); +extern int amd_iommu_activate_guest_mode(void *data); +extern int amd_iommu_deactivate_guest_mode(void *data); + #else /* defined(CONFIG_AMD_IOMMU) && defined(CONFIG_IRQ_REMAP) */ static inline int @@ -198,6 +201,15 @@ amd_iommu_update_ga(int cpu, bool is_run, void *data) return 0; } +static inline int amd_iommu_activate_guest_mode(void *data) +{ + return 0; +} + +static inline int amd_iommu_deactivate_guest_mode(void *data) +{ + return 0; +} #endif /* defined(CONFIG_AMD_IOMMU) && defined(CONFIG_IRQ_REMAP) */ #endif /* _ASM_X86_AMD_IOMMU_H */ |