[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [Qemu-devel] [PATCH 1/3] i386/msi: Correct mask of destination ID in MSI address
On Thu, Jun 29, 2017 at 01:49:52AM -0400, Lan Tianyu wrote: > From: Chao Gao <chao.gao@xxxxxxxxx> > > 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@xxxxxxxxx> > Signed-off-by: Lan Tianyu <tianyu.lan@xxxxxxxxx> Reviewed-by: Peter Xu <peterx@xxxxxxxxxx> > --- > 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 > > -- Peter Xu _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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