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| author |   Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> | 2016-08-23 13:52:38 -0500 |
|---|---|---|
| committer |   Joerg Roedel <jroedel@suse.de> | 2016-09-05 12:41:46 +0200 |
| commit | 8dbea3fd7becd4af8ca882c3132be4b1a857e301 (patch) | |
| tree | 08f9aaa6eab2d4139c69acf105b4d80de5c3a1d3 /include/linux/amd-iommu.h | |
| parent | iommu/amd: Adding GALOG interrupt handler (diff) | |
| download | wireguard-linux-8dbea3fd7becd4af8ca882c3132be4b1a857e301.tar.xz wireguard-linux-8dbea3fd7becd4af8ca882c3132be4b1a857e301.zip | |
iommu/amd: Introduce amd_iommu_update_ga()
Introduces a new IOMMU API, amd_iommu_update_ga(), which allows
KVM (SVM) to update existing posted interrupt IOMMU IRTE when
load/unload vcpu.
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 | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/amd-iommu.h b/include/linux/amd-iommu.h index 465d096a5f4b..d8d48aca0eb7 100644 --- a/include/linux/amd-iommu.h +++ b/include/linux/amd-iommu.h @@ -179,6 +179,9 @@ static inline int amd_iommu_detect(void) { return -ENODEV; } /* IOMMU AVIC Function */ extern int amd_iommu_register_ga_log_notifier(int (*notifier)(u32)); +extern int +amd_iommu_update_ga(int cpu, bool is_run, void *data); + #else /* defined(CONFIG_AMD_IOMMU) && defined(CONFIG_IRQ_REMAP) */ static inline int @@ -187,6 +190,12 @@ amd_iommu_register_ga_log_notifier(int (*notifier)(u32)) return 0; } +static inline int +amd_iommu_update_ga(int cpu, bool is_run, void *data) +{ + return 0; +} + #endif /* defined(CONFIG_AMD_IOMMU) && defined(CONFIG_IRQ_REMAP) */ #endif /* _ASM_X86_AMD_IOMMU_H */ |