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| author | Feng Wu <feng.wu@intel.com> | 2015-09-18 22:29:45 +0800 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2015-10-01 15:06:48 +0200 |
| commit | 6ef1522f7ecc063317dfb5ca63da6e47130a4c50 (patch) | |
| tree | 13e4946ea863746d59b11884a9ecec4b8e4a7cec /arch/x86/kvm/vmx.c | |
| parent | f70c20aaf141adb715a2d750c55154073b02a9c3 (diff) | |
| download | lwn-6ef1522f7ecc063317dfb5ca63da6e47130a4c50.tar.gz lwn-6ef1522f7ecc063317dfb5ca63da6e47130a4c50.zip | |
KVM: Extend struct pi_desc for VT-d Posted-Interrupts
Extend struct pi_desc for VT-d Posted-Interrupts.
Signed-off-by: Feng Wu <feng.wu@intel.com>
Reviewed-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/vmx.c')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 6f3f97f6e248..4ebdccd882c8 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -446,8 +446,24 @@ struct nested_vmx { /* Posted-Interrupt Descriptor */ struct pi_desc { u32 pir[8]; /* Posted interrupt requested */ - u32 control; /* bit 0 of control is outstanding notification bit */ - u32 rsvd[7]; + union { + struct { + /* bit 256 - Outstanding Notification */ + u16 on : 1, + /* bit 257 - Suppress Notification */ + sn : 1, + /* bit 271:258 - Reserved */ + rsvd_1 : 14; + /* bit 279:272 - Notification Vector */ + u8 nv; + /* bit 287:280 - Reserved */ + u8 rsvd_2; + /* bit 319:288 - Notification Destination */ + u32 ndst; + }; + u64 control; + }; + u32 rsvd[6]; } __aligned(64); static bool pi_test_and_set_on(struct pi_desc *pi_desc) |