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| author | Zhenzhong Duan <zhenzhong.duan@intel.com> | 2024-11-04 20:55:36 +0800 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2024-11-04 16:03:25 -0500 |
| commit | 096d96e7be7071aa805c4e70ef51da0b99b6a8fc (patch) | |
| tree | 52c1b5741384a7b84340d06b76b14a3350b0b468 /hw/pci/pcie.c | |
| parent | 8e761fb61cafa95f4f41acaf8e86fae7e898b555 (diff) | |
| download | qemu-096d96e7be7071aa805c4e70ef51da0b99b6a8fc.zip qemu-096d96e7be7071aa805c4e70ef51da0b99b6a8fc.tar.gz qemu-096d96e7be7071aa805c4e70ef51da0b99b6a8fc.tar.bz2 | |
intel_iommu: Add missed reserved bit check for IEC descriptor
IEC descriptor is 128-bit invalidation descriptor, must be padded with
128-bits of 0s in the upper bytes to create a 256-bit descriptor when
the invalidation queue is configured for 256-bit descriptors (IQA_REG.DW=1).
Fixes: 02a2cbc872df ("x86-iommu: introduce IEC notifiers")
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Message-Id: <20241104125536.1236118-4-zhenzhong.duan@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/pci/pcie.c')
0 files changed, 0 insertions, 0 deletions