From 861fec459bb4db69123c3b320e1bad9585cdb524 Mon Sep 17 00:00:00 2001 From: Chao Gao Date: Fri, 17 Nov 2017 14:24:23 +0800 Subject: [PATCH] i386/msi: Correct mask of destination ID in MSI address According to SDM 10.11.1, only [19:12] bits of MSI address are Destination ID, change the mask to avoid ambiguity for VT-d spec has used the bit 4 to indicate a remappable interrupt request. Signed-off-by: Chao Gao Signed-off-by: Lan Tianyu Reviewed-by: Anthony PERARD Reviewed-by: Peter Xu Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- include/hw/i386/apic-msidef.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/hw/i386/apic-msidef.h b/include/hw/i386/apic-msidef.h index 8b4d4cca55..420b41167d 100644 --- a/include/hw/i386/apic-msidef.h +++ b/include/hw/i386/apic-msidef.h @@ -26,6 +26,6 @@ #define MSI_ADDR_DEST_ID_SHIFT 12 #define MSI_ADDR_DEST_IDX_SHIFT 4 -#define MSI_ADDR_DEST_ID_MASK 0x00ffff0 +#define MSI_ADDR_DEST_ID_MASK 0x000ff000 #endif /* HW_APIC_MSIDEF_H */