crypto: ccp: Define SEV key management command id
Define Secure Encrypted Virtualization (SEV) key management command id and structure. The command definition is available in SEV KM spec 0.14 (http://support.amd.com/TechDocs/55766_SEV-KM API_Specification.pdf) Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: "Radim Krčmář" <rkrcmar@redhat.com> Cc: Borislav Petkov <bp@suse.de> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: Gary Hook <gary.hook@amd.com> Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: linux-crypto@vger.kernel.org Cc: kvm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Improvements-by: Borislav Petkov <bp@suse.de> Signed-off-by: Brijesh Singh <brijesh.singh@amd.com> Reviewed-by: Borislav Petkov <bp@suse.de> Acked-by: Gary R Hook <gary.hook@amd.com>hifive-unleashed-5.1
Brijesh Singh
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1d57b17c60
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592d5e74dd
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/*
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* AMD Secure Encrypted Virtualization (SEV) driver interface
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*
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* Copyright (C) 2016-2017 Advanced Micro Devices, Inc.
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*
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* Author: Brijesh Singh <brijesh.singh@amd.com>
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*
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* SEV spec 0.14 is available at:
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* http://support.amd.com/TechDocs/55766_SEV-KM API_Specification.pdf
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __PSP_SEV_H__
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#define __PSP_SEV_H__
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#include <uapi/linux/psp-sev.h>
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#ifdef CONFIG_X86
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#include <linux/mem_encrypt.h>
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#define __psp_pa(x) __sme_pa(x)
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#else
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#define __psp_pa(x) __pa(x)
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#endif
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#define SEV_FW_BLOB_MAX_SIZE 0x4000 /* 16KB */
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/**
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* SEV platform state
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*/
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enum sev_state {
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SEV_STATE_UNINIT = 0x0,
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SEV_STATE_INIT = 0x1,
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SEV_STATE_WORKING = 0x2,
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SEV_STATE_MAX
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};
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/**
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* SEV platform and guest management commands
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*/
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enum sev_cmd {
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/* platform commands */
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SEV_CMD_INIT = 0x001,
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SEV_CMD_SHUTDOWN = 0x002,
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SEV_CMD_FACTORY_RESET = 0x003,
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SEV_CMD_PLATFORM_STATUS = 0x004,
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SEV_CMD_PEK_GEN = 0x005,
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SEV_CMD_PEK_CSR = 0x006,
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SEV_CMD_PEK_CERT_IMPORT = 0x007,
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SEV_CMD_PDH_CERT_EXPORT = 0x008,
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SEV_CMD_PDH_GEN = 0x009,
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SEV_CMD_DF_FLUSH = 0x00A,
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/* Guest commands */
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SEV_CMD_DECOMMISSION = 0x020,
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SEV_CMD_ACTIVATE = 0x021,
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SEV_CMD_DEACTIVATE = 0x022,
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SEV_CMD_GUEST_STATUS = 0x023,
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/* Guest launch commands */
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SEV_CMD_LAUNCH_START = 0x030,
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SEV_CMD_LAUNCH_UPDATE_DATA = 0x031,
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SEV_CMD_LAUNCH_UPDATE_VMSA = 0x032,
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SEV_CMD_LAUNCH_MEASURE = 0x033,
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SEV_CMD_LAUNCH_UPDATE_SECRET = 0x034,
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SEV_CMD_LAUNCH_FINISH = 0x035,
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/* Guest migration commands (outgoing) */
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SEV_CMD_SEND_START = 0x040,
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SEV_CMD_SEND_UPDATE_DATA = 0x041,
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SEV_CMD_SEND_UPDATE_VMSA = 0x042,
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SEV_CMD_SEND_FINISH = 0x043,
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/* Guest migration commands (incoming) */
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SEV_CMD_RECEIVE_START = 0x050,
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SEV_CMD_RECEIVE_UPDATE_DATA = 0x051,
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SEV_CMD_RECEIVE_UPDATE_VMSA = 0x052,
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SEV_CMD_RECEIVE_FINISH = 0x053,
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/* Guest debug commands */
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SEV_CMD_DBG_DECRYPT = 0x060,
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SEV_CMD_DBG_ENCRYPT = 0x061,
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SEV_CMD_MAX,
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};
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/**
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* struct sev_data_init - INIT command parameters
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*
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* @flags: processing flags
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* @tmr_address: system physical address used for SEV-ES
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* @tmr_len: len of tmr_address
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*/
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struct sev_data_init {
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u32 flags; /* In */
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u32 reserved; /* In */
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u64 tmr_address; /* In */
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u32 tmr_len; /* In */
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} __packed;
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/**
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* struct sev_data_pek_csr - PEK_CSR command parameters
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*
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* @address: PEK certificate chain
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* @len: len of certificate
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*/
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struct sev_data_pek_csr {
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u64 address; /* In */
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u32 len; /* In/Out */
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} __packed;
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/**
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* struct sev_data_cert_import - PEK_CERT_IMPORT command parameters
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*
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* @pek_address: PEK certificate chain
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* @pek_len: len of PEK certificate
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* @oca_address: OCA certificate chain
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* @oca_len: len of OCA certificate
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*/
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struct sev_data_pek_cert_import {
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u64 pek_cert_address; /* In */
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u32 pek_cert_len; /* In */
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u32 reserved; /* In */
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u64 oca_cert_address; /* In */
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u32 oca_cert_len; /* In */
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} __packed;
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/**
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* struct sev_data_pdh_cert_export - PDH_CERT_EXPORT command parameters
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*
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* @pdh_address: PDH certificate address
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* @pdh_len: len of PDH certificate
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* @cert_chain_address: PDH certificate chain
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* @cert_chain_len: len of PDH certificate chain
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*/
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struct sev_data_pdh_cert_export {
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u64 pdh_cert_address; /* In */
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u32 pdh_cert_len; /* In/Out */
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u32 reserved; /* In */
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u64 cert_chain_address; /* In */
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u32 cert_chain_len; /* In/Out */
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} __packed;
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/**
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* struct sev_data_decommission - DECOMMISSION command parameters
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*
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* @handle: handle of the VM to decommission
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*/
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struct sev_data_decommission {
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u32 handle; /* In */
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} __packed;
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/**
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* struct sev_data_activate - ACTIVATE command parameters
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*
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* @handle: handle of the VM to activate
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* @asid: asid assigned to the VM
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*/
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struct sev_data_activate {
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u32 handle; /* In */
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u32 asid; /* In */
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} __packed;
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/**
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* struct sev_data_deactivate - DEACTIVATE command parameters
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*
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* @handle: handle of the VM to deactivate
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*/
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struct sev_data_deactivate {
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u32 handle; /* In */
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} __packed;
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/**
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* struct sev_data_guest_status - SEV GUEST_STATUS command parameters
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*
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* @handle: handle of the VM to retrieve status
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* @policy: policy information for the VM
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* @asid: current ASID of the VM
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* @state: current state of the VM
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*/
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struct sev_data_guest_status {
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u32 handle; /* In */
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u32 policy; /* Out */
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u32 asid; /* Out */
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u8 state; /* Out */
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} __packed;
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/**
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* struct sev_data_launch_start - LAUNCH_START command parameters
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*
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* @handle: handle assigned to the VM
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* @policy: guest launch policy
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* @dh_cert_address: physical address of DH certificate blob
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* @dh_cert_len: len of DH certificate blob
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* @session_address: physical address of session parameters
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* @session_len: len of session parameters
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*/
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struct sev_data_launch_start {
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u32 handle; /* In/Out */
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u32 policy; /* In */
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u64 dh_cert_address; /* In */
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u32 dh_cert_len; /* In */
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u32 reserved; /* In */
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u64 session_address; /* In */
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u32 session_len; /* In */
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} __packed;
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/**
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* struct sev_data_launch_update_data - LAUNCH_UPDATE_DATA command parameter
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*
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* @handle: handle of the VM to update
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* @len: len of memory to be encrypted
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* @address: physical address of memory region to encrypt
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*/
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struct sev_data_launch_update_data {
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u32 handle; /* In */
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u32 reserved;
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u64 address; /* In */
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u32 len; /* In */
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} __packed;
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/**
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* struct sev_data_launch_update_vmsa - LAUNCH_UPDATE_VMSA command
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*
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* @handle: handle of the VM
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* @address: physical address of memory region to encrypt
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* @len: len of memory region to encrypt
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*/
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struct sev_data_launch_update_vmsa {
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u32 handle; /* In */
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u32 reserved;
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u64 address; /* In */
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u32 len; /* In */
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} __packed;
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/**
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* struct sev_data_launch_measure - LAUNCH_MEASURE command parameters
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*
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* @handle: handle of the VM to process
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* @address: physical address containing the measurement blob
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* @len: len of measurement blob
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*/
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struct sev_data_launch_measure {
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u32 handle; /* In */
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u32 reserved;
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u64 address; /* In */
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u32 len; /* In/Out */
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} __packed;
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/**
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* struct sev_data_launch_secret - LAUNCH_SECRET command parameters
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*
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* @handle: handle of the VM to process
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* @hdr_address: physical address containing the packet header
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* @hdr_len: len of packet header
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* @guest_address: system physical address of guest memory region
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* @guest_len: len of guest_paddr
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* @trans_address: physical address of transport memory buffer
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* @trans_len: len of transport memory buffer
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*/
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struct sev_data_launch_secret {
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u32 handle; /* In */
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u32 reserved1;
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u64 hdr_address; /* In */
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u32 hdr_len; /* In */
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u32 reserved2;
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u64 guest_address; /* In */
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u32 guest_len; /* In */
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u32 reserved3;
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u64 trans_address; /* In */
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u32 trans_len; /* In */
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} __packed;
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/**
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* struct sev_data_launch_finish - LAUNCH_FINISH command parameters
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*
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* @handle: handle of the VM to process
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*/
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struct sev_data_launch_finish {
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u32 handle; /* In */
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} __packed;
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/**
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* struct sev_data_send_start - SEND_START command parameters
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*
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* @handle: handle of the VM to process
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* @policy: policy information for the VM
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* @pdh_cert_address: physical address containing PDH certificate
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* @pdh_cert_len: len of PDH certificate
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* @plat_certs_address: physical address containing platform certificate
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* @plat_certs_len: len of platform certificate
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* @amd_certs_address: physical address containing AMD certificate
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* @amd_certs_len: len of AMD certificate
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* @session_address: physical address containing Session data
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* @session_len: len of session data
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*/
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struct sev_data_send_start {
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u32 handle; /* In */
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u32 policy; /* Out */
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u64 pdh_cert_address; /* In */
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u32 pdh_cert_len; /* In */
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u32 reserved1;
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u64 plat_cert_address; /* In */
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u32 plat_cert_len; /* In */
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u32 reserved2;
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u64 amd_cert_address; /* In */
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u32 amd_cert_len; /* In */
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u32 reserved3;
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u64 session_address; /* In */
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u32 session_len; /* In/Out */
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} __packed;
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/**
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* struct sev_data_send_update - SEND_UPDATE_DATA command
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*
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* @handle: handle of the VM to process
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* @hdr_address: physical address containing packet header
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* @hdr_len: len of packet header
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* @guest_address: physical address of guest memory region to send
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* @guest_len: len of guest memory region to send
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* @trans_address: physical address of host memory region
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* @trans_len: len of host memory region
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*/
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struct sev_data_send_update_data {
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u32 handle; /* In */
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u32 reserved1;
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u64 hdr_address; /* In */
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u32 hdr_len; /* In/Out */
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u32 reserved2;
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u64 guest_address; /* In */
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u32 guest_len; /* In */
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u32 reserved3;
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u64 trans_address; /* In */
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u32 trans_len; /* In */
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} __packed;
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/**
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* struct sev_data_send_update - SEND_UPDATE_VMSA command
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*
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* @handle: handle of the VM to process
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* @hdr_address: physical address containing packet header
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* @hdr_len: len of packet header
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* @guest_address: physical address of guest memory region to send
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* @guest_len: len of guest memory region to send
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* @trans_address: physical address of host memory region
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* @trans_len: len of host memory region
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*/
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struct sev_data_send_update_vmsa {
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u32 handle; /* In */
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u64 hdr_address; /* In */
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u32 hdr_len; /* In/Out */
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u32 reserved2;
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u64 guest_address; /* In */
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u32 guest_len; /* In */
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u32 reserved3;
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u64 trans_address; /* In */
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u32 trans_len; /* In */
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} __packed;
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/**
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* struct sev_data_send_finish - SEND_FINISH command parameters
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*
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* @handle: handle of the VM to process
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*/
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struct sev_data_send_finish {
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u32 handle; /* In */
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} __packed;
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/**
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* struct sev_data_receive_start - RECEIVE_START command parameters
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*
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* @handle: handle of the VM to perform receive operation
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* @pdh_cert_address: system physical address containing PDH certificate blob
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* @pdh_cert_len: len of PDH certificate blob
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* @session_address: system physical address containing session blob
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* @session_len: len of session blob
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*/
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struct sev_data_receive_start {
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u32 handle; /* In/Out */
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u32 policy; /* In */
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u64 pdh_cert_address; /* In */
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u32 pdh_cert_len; /* In */
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u32 reserved1;
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u64 session_address; /* In */
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u32 session_len; /* In */
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} __packed;
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/**
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* struct sev_data_receive_update_data - RECEIVE_UPDATE_DATA command parameters
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*
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* @handle: handle of the VM to update
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* @hdr_address: physical address containing packet header blob
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* @hdr_len: len of packet header
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* @guest_address: system physical address of guest memory region
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* @guest_len: len of guest memory region
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* @trans_address: system physical address of transport buffer
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* @trans_len: len of transport buffer
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*/
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struct sev_data_receive_update_data {
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u32 handle; /* In */
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u32 reserved1;
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u64 hdr_address; /* In */
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u32 hdr_len; /* In */
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u32 reserved2;
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u64 guest_address; /* In */
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u32 guest_len; /* In */
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u32 reserved3;
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u64 trans_address; /* In */
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u32 trans_len; /* In */
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} __packed;
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/**
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* struct sev_data_receive_update_vmsa - RECEIVE_UPDATE_VMSA command parameters
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*
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* @handle: handle of the VM to update
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* @hdr_address: physical address containing packet header blob
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* @hdr_len: len of packet header
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* @guest_address: system physical address of guest memory region
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* @guest_len: len of guest memory region
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* @trans_address: system physical address of transport buffer
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* @trans_len: len of transport buffer
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*/
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struct sev_data_receive_update_vmsa {
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u32 handle; /* In */
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u32 reserved1;
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u64 hdr_address; /* In */
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u32 hdr_len; /* In */
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u32 reserved2;
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u64 guest_address; /* In */
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u32 guest_len; /* In */
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u32 reserved3;
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u64 trans_address; /* In */
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u32 trans_len; /* In */
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} __packed;
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/**
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* struct sev_data_receive_finish - RECEIVE_FINISH command parameters
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*
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* @handle: handle of the VM to finish
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*/
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struct sev_data_receive_finish {
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u32 handle; /* In */
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} __packed;
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/**
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* struct sev_data_dbg - DBG_ENCRYPT/DBG_DECRYPT command parameters
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*
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* @handle: handle of the VM to perform debug operation
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* @src_addr: source address of data to operate on
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* @dst_addr: destination address of data to operate on
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* @len: len of data to operate on
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*/
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struct sev_data_dbg {
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u32 handle; /* In */
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u32 reserved;
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u64 src_addr; /* In */
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u64 dst_addr; /* In */
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u32 len; /* In */
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} __packed;
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#endif /* __PSP_SEV_H__ */
|
||||
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Reference in New Issue