From 8dbea3fd7becd4af8ca882c3132be4b1a857e301 Mon Sep 17 00:00:00 2001 From: Suravee Suthikulpanit Date: Tue, 23 Aug 2016 13:52:38 -0500 Subject: 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 Signed-off-by: Joerg Roedel --- include/linux/amd-iommu.h | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'include/linux/amd-iommu.h') 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 */ -- cgit v1.2.3-73-gaa49b