linux-kernel - [v3 10/26] KVM: change struct pi_desc for VT-d Posted-Interrupts

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Date:	Fri, 12 Dec 2014 23:14:44 +0800
From:	Feng Wu <feng.wu@...el.com>
To:	tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
	x86@...nel.org, gleb@...nel.org, pbonzini@...hat.com,
	dwmw2@...radead.org, joro@...tes.org, alex.williamson@...hat.com,
	jiang.liu@...ux.intel.com
Cc:	eric.auger@...aro.org, linux-kernel@...r.kernel.org,
	iommu@...ts.linux-foundation.org, kvm@...r.kernel.org,
	Feng Wu <feng.wu@...el.com>
Subject: [v3 10/26] KVM: change struct pi_desc for VT-d Posted-Interrupts

Change struct pi_desc for VT-d Posted-Interrupts.

Signed-off-by: Feng Wu <feng.wu@...el.com>
---
 arch/x86/kvm/vmx.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 3e556c6..abdb84f 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -411,8 +411,19 @@ 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 {
+			u64	on	: 1,
+				sn	: 1,
+				rsvd_1	: 13,
+				ndm	: 1,
+				nv	: 8,
+				rsvd_2	: 8,
+				ndst	: 32;
+		};
+		u64 control;
+	};
+	u32 rsvd[6];
 } __aligned(64);
 
 static bool pi_test_and_set_on(struct pi_desc *pi_desc)
-- 
1.9.1

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