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hw/i386/intel_iommu: Fix index calculation in vtd_interrupt_remap_msi()

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The values in "addr" are populated locally in this function in host
endian byte order, so we must not swap the index_l field here.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20230802135723.178083-5-thuth@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Xu <peterx@redhat.com>
This commit is contained in:
Thomas Huth 2023-08-02 15:57:21 +02:00 committed by Michael S. Tsirkin
parent 4572b22cf9
commit fcd8027423
1 changed files with 1 additions and 1 deletions
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hw/i386/intel_iommu.c
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@ -3459,7 +3459,7 @@ static int vtd_interrupt_remap_msi(IntelIOMMUState *iommu,
goto out;
}
index = addr.addr.index_h << 15 | le16_to_cpu(addr.addr.index_l);
index = addr.addr.index_h << 15 | addr.addr.index_l;
#define VTD_IR_MSI_DATA_SUBHANDLE (0x0000ffff)
#define VTD_IR_MSI_DATA_RESERVED (0xffff0000)