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authorSuravee Suthikulpanit <suravee.suthikulpanit@amd.com>2016-08-23 13:52:38 -0500
committerJoerg Roedel <jroedel@suse.de>2016-09-05 12:41:46 +0200
commit8dbea3fd7becd4af8ca882c3132be4b1a857e301 (patch)
tree08f9aaa6eab2d4139c69acf105b4d80de5c3a1d3 /include/linux/amd-iommu.h
parentbd6fcefc66f6d038406e38edf96a95d9842f819d (diff)
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.h9
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 */