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 v2 1/2] x86/svm: Add virtual GIF feature definition
Date: Thu, 16 Nov 2017 11:19:38 -0600 [thread overview]
Message-ID: <20171116171939.6853-2-brian.woods@amd.com> (raw)
In-Reply-To: <20171116171939.6853-1-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
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel
next prev parent reply other threads:[~2017-11-16 17:19 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-16 17:19 [PATCH v2 0/2] Virtual GIF Brian Woods
2017-11-16 17:19 ` Brian Woods [this message]
2017-11-16 17:44 ` [PATCH v2 1/2] x86/svm: Add virtual GIF feature definition Konrad Rzeszutek Wilk
2017-11-16 18:01 ` Brian Woods
2017-11-16 17:19 ` [PATCH v2 2/2] x86/svm: Add virtual GIF support Brian Woods
2017-11-16 19:17 ` [PATCH v2 0/2] Virtual GIF Boris Ostrovsky
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20171116171939.6853-2-brian.woods@amd.com \
--to=brian.woods@amd.com \
--cc=andrew.cooper3@citrix.com \
--cc=boris.ostrovsky@oracle.com \
--cc=jbeulich@suse.com \
--cc=suravee.suthikulpanit@amd.com \
--cc=xen-devel@lists.xen.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).