From: Brian Woods <brian.woods@amd.com>
To: xen-devel@lists.xen.org
Cc: Andrew Cooper <andrew.cooper3@citrix.com>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
Brian Woods <brian.woods@amd.com>,
Jan Beulich <jbeulich@suse.com>,
Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Subject: [PATCH v3 1/2] x86/svm: Add virtual GIF feature definition
Date: Thu, 16 Nov 2017 16:11:14 -0600 [thread overview]
Message-ID: <20171116221115.98954-2-brian.woods@amd.com> (raw)
In-Reply-To: <20171116221115.98954-1-brian.woods@amd.com>
Add support for enabling the virtual GIF feature.
Signed-off-by: Brian Woods <brian.woods@amd.com>
---
xen/include/asm-x86/hvm/svm/svm.h | 2 ++
xen/include/asm-x86/hvm/svm/vmcb.h | 6 ++++--
2 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/xen/include/asm-x86/hvm/svm/svm.h b/xen/include/asm-x86/hvm/svm/svm.h
index 0956f860ef..ec1eda6a3e 100644
--- a/xen/include/asm-x86/hvm/svm/svm.h
+++ b/xen/include/asm-x86/hvm/svm/svm.h
@@ -64,6 +64,7 @@ extern u32 svm_feature_flags;
#define SVM_FEATURE_FLUSHBYASID 6 /* TLB flush by ASID support */
#define SVM_FEATURE_DECODEASSISTS 7 /* Decode assists support */
#define SVM_FEATURE_PAUSEFILTER 10 /* Pause intercept filter support */
+#define SVM_FEATURE_VGIF 16 /* Virtual GIF */
#define cpu_has_svm_feature(f) test_bit(f, &svm_feature_flags)
#define cpu_has_svm_npt cpu_has_svm_feature(SVM_FEATURE_NPT)
@@ -72,6 +73,7 @@ extern u32 svm_feature_flags;
#define cpu_has_svm_nrips cpu_has_svm_feature(SVM_FEATURE_NRIPS)
#define cpu_has_svm_cleanbits cpu_has_svm_feature(SVM_FEATURE_VMCBCLEAN)
#define cpu_has_svm_decode cpu_has_svm_feature(SVM_FEATURE_DECODEASSISTS)
+#define cpu_has_svm_vgif cpu_has_svm_feature(SVM_FEATURE_VGIF)
#define cpu_has_pause_filter cpu_has_svm_feature(SVM_FEATURE_PAUSEFILTER)
#define cpu_has_tsc_ratio cpu_has_svm_feature(SVM_FEATURE_TSCRATEMSR)
diff --git a/xen/include/asm-x86/hvm/svm/vmcb.h b/xen/include/asm-x86/hvm/svm/vmcb.h
index 01ce20b0bd..595cfcf57b 100644
--- a/xen/include/asm-x86/hvm/svm/vmcb.h
+++ b/xen/include/asm-x86/hvm/svm/vmcb.h
@@ -325,12 +325,14 @@ typedef union
{
u64 tpr: 8;
u64 irq: 1;
- u64 rsvd0: 7;
+ u64 vgif: 1;
+ u64 rsvd0: 6;
u64 prio: 4;
u64 ign_tpr: 1;
u64 rsvd1: 3;
u64 intr_masking: 1;
- u64 rsvd2: 7;
+ u64 vgif_enable: 1;
+ u64 rsvd2: 6;
u64 vector: 8;
u64 rsvd3: 24;
} fields;
--
2.11.0
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next prev parent reply other threads:[~2017-11-16 22:11 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-16 22:11 [PATCH v3 0/2] Virtual GIF Brian Woods
2017-11-16 22:11 ` Brian Woods [this message]
2017-11-16 22:11 ` [PATCH v3 2/2] x86/svm: Add virtual GIF support Brian Woods
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