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Commit 6ef1522f authored by Feng Wu's avatar Feng Wu Committed by Paolo Bonzini
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KVM: Extend struct pi_desc for VT-d Posted-Interrupts 



Extend struct pi_desc for VT-d Posted-Interrupts.

Signed-off-by: default avatarFeng Wu <feng.wu@intel.com>
Reviewed-by: default avatarAlex Williamson <alex.williamson@redhat.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent f70c20aa

arch/x86/kvm/vmx.c

+18 −2
Original line number Diff line number Diff line
@@ -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)