From 6ef1522f7ecc063317dfb5ca63da6e47130a4c50 Mon Sep 17 00:00:00 2001 From: Feng Wu Date: Fri, 18 Sep 2015 22:29:45 +0800 Subject: [PATCH] KVM: Extend struct pi_desc for VT-d Posted-Interrupts Extend struct pi_desc for VT-d Posted-Interrupts. Signed-off-by: Feng Wu Reviewed-by: Alex Williamson Signed-off-by: Paolo Bonzini --- arch/x86/kvm/vmx.c | 20 ++++++++++++++++++-- 1 file 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) -- 2.20.1