From: Joerg Roedel <joro@8bytes.org>
To: x86@kernel.org
Cc: Joerg Roedel <joro@8bytes.org>, Joerg Roedel <jroedel@suse.de>,
hpa@zytor.com, Andy Lutomirski <luto@kernel.org>,
Dave Hansen <dave.hansen@linux.intel.com>,
Peter Zijlstra <peterz@infradead.org>,
Jiri Slaby <jslaby@suse.cz>,
Dan Williams <dan.j.williams@intel.com>,
Tom Lendacky <thomas.lendacky@amd.com>,
Juergen Gross <jgross@suse.com>,
Kees Cook <keescook@chromium.org>,
David Rientjes <rientjes@google.com>,
Cfir Cohen <cfir@google.com>, Erdem Aktas <erdemaktas@google.com>,
Masami Hiramatsu <mhiramat@kernel.org>,
Mike Stunes <mstunes@vmware.com>,
Sean Christopherson <seanjc@google.com>,
Martin Radev <martin.b.radev@gmail.com>,
Arvind Sankar <nivedita@alum.mit.edu>,
linux-coco@lists.linux.dev, linux-kernel@vger.kernel.org,
kvm@vger.kernel.org, virtualization@lists.linux-foundation.org
Subject: [PATCH 1/3] x86/sev: Add Comments to existing GHCB MSR protocol defines
Date: Tue, 22 Jun 2021 16:48:23 +0200 [thread overview]
Message-ID: <20210622144825.27588-2-joro@8bytes.org> (raw)
In-Reply-To: <20210622144825.27588-1-joro@8bytes.org>
From: Joerg Roedel <jroedel@suse.de>
Add comments to the defines for SEV Info and CPUID MSR protocol defines
to document to which protocol part they belong.
Signed-off-by: Joerg Roedel <jroedel@suse.de>
---
arch/x86/include/asm/sev-common.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/x86/include/asm/sev-common.h b/arch/x86/include/asm/sev-common.h
index 629c3df243f0..1cc9e7dd8107 100644
--- a/arch/x86/include/asm/sev-common.h
+++ b/arch/x86/include/asm/sev-common.h
@@ -11,6 +11,7 @@
#define GHCB_MSR_INFO_POS 0
#define GHCB_MSR_INFO_MASK (BIT_ULL(12) - 1)
+/* SEV Information Request/Response */
#define GHCB_MSR_SEV_INFO_RESP 0x001
#define GHCB_MSR_SEV_INFO_REQ 0x002
#define GHCB_MSR_VER_MAX_POS 48
@@ -28,6 +29,7 @@
#define GHCB_MSR_PROTO_MAX(v) (((v) >> GHCB_MSR_VER_MAX_POS) & GHCB_MSR_VER_MAX_MASK)
#define GHCB_MSR_PROTO_MIN(v) (((v) >> GHCB_MSR_VER_MIN_POS) & GHCB_MSR_VER_MIN_MASK)
+/* CPUID Request/Response */
#define GHCB_MSR_CPUID_REQ 0x004
#define GHCB_MSR_CPUID_RESP 0x005
#define GHCB_MSR_CPUID_FUNC_POS 32
--
2.31.1
next prev parent reply other threads:[~2021-06-22 14:48 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-22 14:48 [PATCH 0/3] x86/sev: Minor updates for SEV guest support Joerg Roedel
2021-06-22 14:48 ` Joerg Roedel [this message]
2021-06-22 14:48 ` [PATCH 2/3] x86/sev: Add defines for GHCB version 2 MSR protocol requests Joerg Roedel
2021-06-22 16:19 ` Tom Lendacky
2021-06-22 16:34 ` Brijesh Singh
2021-06-23 6:40 ` Joerg Roedel
2021-06-23 9:32 ` Borislav Petkov
2021-06-23 9:49 ` Joerg Roedel
2021-06-23 12:33 ` Brijesh Singh
2021-06-23 13:12 ` Tom Lendacky
2021-06-22 14:48 ` [PATCH 3/3] x86/sev: Use "SEV: " prefix for messages from sev.c Joerg Roedel
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