From: Stefano Garzarella <sgarzare@redhat.com>
To: Jarkko Sakkinen <jarkko@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Claudio Carvalho <cclaudio@linux.ibm.com>,
Peter Huewe <peterhuewe@gmx.de>,
x86@kernel.org, Dov Murik <dovmurik@linux.ibm.com>,
linux-coco@lists.linux.dev, Dionna Glaze <dionnaglaze@google.com>,
James Bottomley <James.Bottomley@HansenPartnership.com>,
Ingo Molnar <mingo@redhat.com>, Joerg Roedel <jroedel@suse.de>,
Jason Gunthorpe <jgg@ziepe.ca>,
linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org,
Dave Hansen <dave.hansen@linux.intel.com>,
Tom Lendacky <thomas.lendacky@amd.com>,
Borislav Petkov <bp@alien8.de>, "H. Peter Anvin" <hpa@zytor.com>,
Stefano Garzarella <sgarzare@redhat.com>
Subject: [RFC PATCH v2 1/6] x86/sev: add SVSM call macros for the vTPM protocol
Date: Fri, 28 Feb 2025 18:07:15 +0100 [thread overview]
Message-ID: <20250228170720.144739-2-sgarzare@redhat.com> (raw)
In-Reply-To: <20250228170720.144739-1-sgarzare@redhat.com>
Add macros for SVSM_VTPM_QUERY and SVSM_VTPM_CMD calls as defined
in the "Secure VM Service Module for SEV-SNP Guests"
Publication # 58019 Revision: 1.00
Link: https://www.amd.com/content/dam/amd/en/documents/epyc-technical-docs/specifications/58019.pdf
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
---
arch/x86/include/asm/sev.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/x86/include/asm/sev.h b/arch/x86/include/asm/sev.h
index 1581246491b5..f6ebf4492606 100644
--- a/arch/x86/include/asm/sev.h
+++ b/arch/x86/include/asm/sev.h
@@ -384,6 +384,10 @@ struct svsm_call {
#define SVSM_ATTEST_SERVICES 0
#define SVSM_ATTEST_SINGLE_SERVICE 1
+#define SVSM_VTPM_CALL(x) ((2ULL << 32) | (x))
+#define SVSM_VTPM_QUERY 0
+#define SVSM_VTPM_CMD 1
+
#ifdef CONFIG_AMD_MEM_ENCRYPT
extern u8 snp_vmpl;
--
2.48.1
next prev parent reply other threads:[~2025-02-28 17:07 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-28 17:07 [RFC PATCH v2 0/6] Enlightened vTPM support for SVSM on SEV-SNP Stefano Garzarella
2025-02-28 17:07 ` Stefano Garzarella [this message]
2025-03-10 11:08 ` [RFC PATCH v2 1/6] x86/sev: add SVSM call macros for the vTPM protocol Borislav Petkov
2025-03-10 12:13 ` Stefano Garzarella
2025-02-28 17:07 ` [RFC PATCH v2 2/6] x86/sev: add SVSM vTPM probe/send_command functions Stefano Garzarella
2025-03-10 11:30 ` Borislav Petkov
2025-03-10 12:46 ` Stefano Garzarella
2025-03-10 13:27 ` Tom Lendacky
2025-03-10 13:51 ` Borislav Petkov
2025-03-10 13:56 ` Tom Lendacky
2025-03-10 14:02 ` Borislav Petkov
2025-03-10 13:59 ` Stefano Garzarella
2025-03-10 14:04 ` Borislav Petkov
2025-02-28 17:07 ` [RFC PATCH v2 3/6] tpm: add send_recv() ops in tpm_class_ops Stefano Garzarella
2025-03-01 1:45 ` Jarkko Sakkinen
2025-03-03 16:21 ` Stefano Garzarella
2025-03-04 16:56 ` Jarkko Sakkinen
2025-03-04 20:21 ` Jarkko Sakkinen
2025-03-05 9:04 ` Stefano Garzarella
2025-03-05 19:02 ` Jason Gunthorpe
2025-03-06 21:52 ` Jarkko Sakkinen
2025-03-07 15:37 ` Stefano Garzarella
2025-03-07 16:32 ` Jarkko Sakkinen
2025-03-06 22:15 ` Jarkko Sakkinen
2025-03-07 15:37 ` Stefano Garzarella
2025-03-03 14:06 ` Tom Lendacky
2025-03-03 17:29 ` Stefano Garzarella
2025-02-28 17:07 ` [RFC PATCH v2 4/6] tpm: add interface to interact with devices based on TCG Simulator Stefano Garzarella
2025-03-01 1:48 ` Jarkko Sakkinen
2025-03-03 16:41 ` Stefano Garzarella
2025-03-04 15:23 ` Stefano Garzarella
2025-03-04 17:14 ` Jarkko Sakkinen
2025-03-03 14:28 ` Tom Lendacky
2025-03-03 17:30 ` Stefano Garzarella
2025-02-28 17:07 ` [RFC PATCH v2 5/6] tpm: add SNP SVSM vTPM driver Stefano Garzarella
2025-03-01 0:28 ` Jason Gunthorpe
2025-03-03 16:19 ` Stefano Garzarella
2025-03-03 18:24 ` Jason Gunthorpe
2025-03-01 1:51 ` Jarkko Sakkinen
2025-03-01 3:57 ` Dionna Amalie Glaze
2025-03-03 16:46 ` Stefano Garzarella
2025-03-04 17:27 ` Jarkko Sakkinen
2025-03-05 9:07 ` Stefano Garzarella
2025-02-28 17:07 ` [RFC PATCH v2 6/6] x86/sev: register tpm-svsm platform device Stefano Garzarella
2025-03-01 0:30 ` [RFC PATCH v2 0/6] Enlightened vTPM support for SVSM on SEV-SNP Jason Gunthorpe
2025-03-03 16:20 ` Stefano Garzarella
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