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Peter Anvin" , Stefano Garzarella 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 Message-ID: <20250228170720.144739-2-sgarzare@redhat.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250228170720.144739-1-sgarzare@redhat.com> References: <20250228170720.144739-1-sgarzare@redhat.com> Precedence: bulk X-Mailing-List: linux-coco@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: w6Kz-700Ta5bjz_181yHcqXm5swZRazCZmEGEtnVObQ_1740762455 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit content-type: text/plain; charset="US-ASCII"; x-default=true 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 --- 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