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| author | Eric Auger <eric.auger@redhat.com> | 2016-07-22 16:20:37 +0000 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2016-07-22 18:51:49 +0100 |
| commit | 76a10b86785c5e3fc49bcee355502d035b07e47a (patch) | |
| tree | e7f27dfa1b3c6c79a60eab55040be1745ce71903 /include | |
| parent | 3a88bded203591d4683aacdbb65cd0f549bc58cb (diff) | |
| download | linux-stable-76a10b86785c5e3fc49bcee355502d035b07e47a.tar.gz linux-stable-76a10b86785c5e3fc49bcee355502d035b07e47a.tar.bz2 linux-stable-76a10b86785c5e3fc49bcee355502d035b07e47a.zip | |
KVM: api: Pass the devid in the msi routing entry
On ARM, the MSI msg (address and data) comes along with
out-of-band device ID information. The device ID encodes the
device that writes the MSI msg. Let's convey the device id in
kvm_irq_routing_msi and use KVM_MSI_VALID_DEVID flag value in
kvm_irq_routing_entry to indicate the msi devid is populated.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/uapi/linux/kvm.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h index d8c4c324cfae..eb2220895c6e 100644 --- a/include/uapi/linux/kvm.h +++ b/include/uapi/linux/kvm.h @@ -879,7 +879,10 @@ struct kvm_irq_routing_msi { __u32 address_lo; __u32 address_hi; __u32 data; - __u32 pad; + union { + __u32 pad; + __u32 devid; + }; }; struct kvm_irq_routing_s390_adapter { |