Merge tag 'x86_sev_for_v5.17_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux-2.6-microblaze.git] / arch / x86 / include / asm / sev-common.h

diff --git a/arch/x86/include/asm/sev-common.h b/arch/x86/include/asm/sev-common.h
index aac44c3..1b2fd32 100644 (file)
--- a/arch/x86/include/asm/sev-common.h
+++ b/arch/x86/include/asm/sev-common.h
@@ -78,4 +78,15 @@
 
 #define GHCB_RESP_CODE(v)              ((v) & GHCB_MSR_INFO_MASK)
 
+/*
+ * Error codes related to GHCB input that can be communicated back to the guest
+ * by setting the lower 32-bits of the GHCB SW_EXITINFO1 field to 2.
+ */
+#define GHCB_ERR_NOT_REGISTERED                1
+#define GHCB_ERR_INVALID_USAGE         2
+#define GHCB_ERR_INVALID_SCRATCH_AREA  3
+#define GHCB_ERR_MISSING_INPUT         4
+#define GHCB_ERR_INVALID_INPUT         5
+#define GHCB_ERR_INVALID_EVENT         6
+
 #endif