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author | Zhu Lingshan <lingshan.zhu@intel.com> | 2021-03-17 17:49:32 +0800 |
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committer | Michael S. Tsirkin <mst@redhat.com> | 2021-05-03 04:55:52 -0400 |
commit | 1d895a68085b28d098893570b024229aacc9a057 (patch) | |
tree | 3e580359a4e47ca90a94a010967d30ad03bb3fbc /drivers/vdpa/ifcvf/ifcvf_base.h | |
parent | 69d00d9858c7451a1e3fc556ece211533fb85b64 (diff) | |
download | lwn-1d895a68085b28d098893570b024229aacc9a057.tar.gz lwn-1d895a68085b28d098893570b024229aacc9a057.zip |
vDPA/ifcvf: verify mandatory feature bits for vDPA
vDPA requres VIRTIO_F_ACCESS_PLATFORM as a must, this commit
examines this when set features.
Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20210317094933.16417-7-lingshan.zhu@intel.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/vdpa/ifcvf/ifcvf_base.h')
-rw-r--r-- | drivers/vdpa/ifcvf/ifcvf_base.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/vdpa/ifcvf/ifcvf_base.h b/drivers/vdpa/ifcvf/ifcvf_base.h index dbb8c10aa3b1..f77239fc1644 100644 --- a/drivers/vdpa/ifcvf/ifcvf_base.h +++ b/drivers/vdpa/ifcvf/ifcvf_base.h @@ -123,6 +123,7 @@ void io_write64_twopart(u64 val, u32 *lo, u32 *hi); void ifcvf_reset(struct ifcvf_hw *hw); u64 ifcvf_get_features(struct ifcvf_hw *hw); u64 ifcvf_get_hw_features(struct ifcvf_hw *hw); +int ifcvf_verify_min_features(struct ifcvf_hw *hw, u64 features); u16 ifcvf_get_vq_state(struct ifcvf_hw *hw, u16 qid); int ifcvf_set_vq_state(struct ifcvf_hw *hw, u16 qid, u16 num); struct ifcvf_adapter *vf_to_adapter(struct ifcvf_hw *hw); |