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[Qemu-devel] [PATCH v3 1/3] i386/msi: Correct mask of destination ID in
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From: |
Chao Gao |
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Subject: |
[Qemu-devel] [PATCH v3 1/3] i386/msi: Correct mask of destination ID in MSI address |
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Date: |
Fri, 17 Nov 2017 14:24:23 +0800 |
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 <address@hidden>
Signed-off-by: Lan Tianyu <address@hidden>
Reviewed-by: Anthony PERARD <address@hidden>
Reviewed-by: Peter Xu <address@hidden>
---
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 8b4d4cc..420b411 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 */
--
1.8.3.1