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authorChao Gao <chao.gao@intel.com>2017-11-17 14:24:23 +0800
committerMichael S. Tsirkin <mst@redhat.com>2017-12-01 18:28:15 +0200
commit861fec459bb4db69123c3b320e1bad9585cdb524 (patch)
tree7cdc148251be74954160be7e10e1697eb4f499ef /include/hw
parentc11d61271b9e6e7a1f0479ef1ca8fb55fa457a62 (diff)
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 <chao.gao@intel.com> Signed-off-by: Lan Tianyu <tianyu.lan@intel.com> Reviewed-by: Anthony PERARD <anthony.perard@citrix.com> Reviewed-by: Peter Xu <peterx@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include/hw')
-rw-r--r--include/hw/i386/apic-msidef.h2
1 files changed, 1 insertions, 1 deletions
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 */