Re: [PATCH v11 05/37] x86/trapnr: Add event type macros to <asm/trapnr.h>

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On 23.09.23 г. 12:41 ч., Xin Li wrote:
Intel VT-x classifies events into eight different types, which is
inherited by FRED for event identification. As such, event type
becomes a common x86 concept, and should be defined in a common x86
header.

Add event type macros to <asm/trapnr.h>, and use it in <asm/vmx.h>.

Suggested-by: H. Peter Anvin (Intel) <hpa@xxxxxxxxx>
Tested-by: Shan Kang <shan.kang@xxxxxxxxx>
Signed-off-by: Xin Li <xin3.li@xxxxxxxxx>
---

Changes since v10:
* A few comment fixes and improvements (Andrew Cooper).
---
  arch/x86/include/asm/trapnr.h | 12 ++++++++++++
  arch/x86/include/asm/vmx.h    | 17 +++++++++--------
  2 files changed, 21 insertions(+), 8 deletions(-)

diff --git a/arch/x86/include/asm/trapnr.h b/arch/x86/include/asm/trapnr.h
index f5d2325aa0b7..8d1154cdf787 100644
--- a/arch/x86/include/asm/trapnr.h
+++ b/arch/x86/include/asm/trapnr.h
@@ -2,6 +2,18 @@
  #ifndef _ASM_X86_TRAPNR_H
  #define _ASM_X86_TRAPNR_H
+/*
+ * Event type codes used by FRED, Intel VT-x and AMD SVM
+ */
+#define EVENT_TYPE_EXTINT	0	// External interrupt
+#define EVENT_TYPE_RESERVED	1
+#define EVENT_TYPE_NMI		2	// NMI
+#define EVENT_TYPE_HWEXC	3	// Hardware originated traps, exceptions
+#define EVENT_TYPE_SWINT	4	// INT n
+#define EVENT_TYPE_PRIV_SWEXC	5	// INT1
+#define EVENT_TYPE_SWEXC	6	// INTO, INT3

nit: This turned into INTO (Oh) rather than INT0( zero) in v11

<nit>



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