From: Brijesh Singh <brijesh.singh@amd.com>
To: kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: bp@alien8.de, "Brijesh Singh" <brijesh.singh@amd.com>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Radim Krčmář" <rkrcmar@redhat.com>,
"Borislav Petkov" <bp@suse.de>,
"Herbert Xu" <herbert@gondor.apana.org.au>,
"Gary Hook" <gary.hook@amd.com>,
"Tom Lendacky" <thomas.lendacky@amd.com>,
linux-crypto@vger.kernel.org
Subject: [Part2 PATCH v7 11/38] crypto: ccp: Define SEV key management command id
Date: Wed, 1 Nov 2017 16:15:56 -0500 [thread overview]
Message-ID: <20171101211623.71496-12-brijesh.singh@amd.com> (raw)
In-Reply-To: <20171101211623.71496-1-brijesh.singh@amd.com>
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>
---
include/linux/psp-sev.h | 494 ++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 494 insertions(+)
create mode 100644 include/linux/psp-sev.h
diff --git a/include/linux/psp-sev.h b/include/linux/psp-sev.h
new file mode 100644
index 000000000000..15bda519538e
--- /dev/null
+++ b/include/linux/psp-sev.h
@@ -0,0 +1,494 @@
+/*
+ * AMD Secure Encrypted Virtualization (SEV) driver interface
+ *
+ * Copyright (C) 2016-2017 Advanced Micro Devices, Inc.
+ *
+ * Author: Brijesh Singh <brijesh.singh@amd.com>
+ *
+ * SEV spec 0.14 is available at:
+ * http://support.amd.com/TechDocs/55766_SEV-KM API_Specification.pdf
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __PSP_SEV_H__
+#define __PSP_SEV_H__
+
+#include <uapi/linux/psp-sev.h>
+
+#ifdef CONFIG_X86
+#include <linux/mem_encrypt.h>
+
+#define __psp_pa(x) __sme_pa(x)
+#else
+#define __psp_pa(x) __pa(x)
+#endif
+
+#define SEV_FW_BLOB_MAX_SIZE 0x4000 /* 16KB */
+
+/**
+ * SEV platform state
+ */
+enum sev_state {
+ SEV_STATE_UNINIT = 0x0,
+ SEV_STATE_INIT = 0x1,
+ SEV_STATE_WORKING = 0x2,
+
+ SEV_STATE_MAX
+};
+
+/**
+ * SEV platform and guest management commands
+ */
+enum sev_cmd {
+ /* platform commands */
+ SEV_CMD_INIT = 0x001,
+ SEV_CMD_SHUTDOWN = 0x002,
+ SEV_CMD_FACTORY_RESET = 0x003,
+ SEV_CMD_PLATFORM_STATUS = 0x004,
+ SEV_CMD_PEK_GEN = 0x005,
+ SEV_CMD_PEK_CSR = 0x006,
+ SEV_CMD_PEK_CERT_IMPORT = 0x007,
+ SEV_CMD_PDH_CERT_EXPORT = 0x008,
+ SEV_CMD_PDH_GEN = 0x009,
+ SEV_CMD_DF_FLUSH = 0x00A,
+
+ /* Guest commands */
+ SEV_CMD_DECOMMISSION = 0x020,
+ SEV_CMD_ACTIVATE = 0x021,
+ SEV_CMD_DEACTIVATE = 0x022,
+ SEV_CMD_GUEST_STATUS = 0x023,
+
+ /* Guest launch commands */
+ SEV_CMD_LAUNCH_START = 0x030,
+ SEV_CMD_LAUNCH_UPDATE_DATA = 0x031,
+ SEV_CMD_LAUNCH_UPDATE_VMSA = 0x032,
+ SEV_CMD_LAUNCH_MEASURE = 0x033,
+ SEV_CMD_LAUNCH_UPDATE_SECRET = 0x034,
+ SEV_CMD_LAUNCH_FINISH = 0x035,
+
+ /* Guest migration commands (outgoing) */
+ SEV_CMD_SEND_START = 0x040,
+ SEV_CMD_SEND_UPDATE_DATA = 0x041,
+ SEV_CMD_SEND_UPDATE_VMSA = 0x042,
+ SEV_CMD_SEND_FINISH = 0x043,
+
+ /* Guest migration commands (incoming) */
+ SEV_CMD_RECEIVE_START = 0x050,
+ SEV_CMD_RECEIVE_UPDATE_DATA = 0x051,
+ SEV_CMD_RECEIVE_UPDATE_VMSA = 0x052,
+ SEV_CMD_RECEIVE_FINISH = 0x053,
+
+ /* Guest debug commands */
+ SEV_CMD_DBG_DECRYPT = 0x060,
+ SEV_CMD_DBG_ENCRYPT = 0x061,
+
+ SEV_CMD_MAX,
+};
+
+/**
+ * status code returned by the commands
+ */
+enum psp_ret_code {
+ SEV_RET_SUCCESS = 0,
+ SEV_RET_INVALID_PLATFORM_STATE,
+ SEV_RET_INVALID_GUEST_STATE,
+ SEV_RET_INAVLID_CONFIG,
+ SEV_RET_INVALID_len,
+ SEV_RET_ALREADY_OWNED,
+ SEV_RET_INVALID_CERTIFICATE,
+ SEV_RET_POLICY_FAILURE,
+ SEV_RET_INACTIVE,
+ SEV_RET_INVALID_ADDRESS,
+ SEV_RET_BAD_SIGNATURE,
+ SEV_RET_BAD_MEASUREMENT,
+ SEV_RET_ASID_OWNED,
+ SEV_RET_INVALID_ASID,
+ SEV_RET_WBINVD_REQUIRED,
+ SEV_RET_DFFLUSH_REQUIRED,
+ SEV_RET_INVALID_GUEST,
+ SEV_RET_INVALID_COMMAND,
+ SEV_RET_ACTIVE,
+ SEV_RET_HWSEV_RET_PLATFORM,
+ SEV_RET_HWSEV_RET_UNSAFE,
+ SEV_RET_UNSUPPORTED,
+ SEV_RET_MAX,
+};
+
+/**
+ * struct sev_data_init - INIT command parameters
+ *
+ * @flags: processing flags
+ * @tmr_address: system physical address used for SEV-ES
+ * @tmr_len: len of tmr_address
+ */
+struct sev_data_init {
+ u32 flags; /* In */
+ u32 reserved; /* In */
+ u64 tmr_address; /* In */
+ u32 tmr_len; /* In */
+} __packed;
+
+/**
+ * struct sev_data_pek_csr - PEK_CSR command parameters
+ *
+ * @address: PEK certificate chain
+ * @len: len of certificate
+ */
+struct sev_data_pek_csr {
+ u64 address; /* In */
+ u32 len; /* In/Out */
+} __packed;
+
+/**
+ * struct sev_data_cert_import - PEK_CERT_IMPORT command parameters
+ *
+ * @pek_address: PEK certificate chain
+ * @pek_len: len of PEK certificate
+ * @oca_address: OCA certificate chain
+ * @oca_len: len of OCA certificate
+ */
+struct sev_data_pek_cert_import {
+ u64 pek_cert_address; /* In */
+ u32 pek_cert_len; /* In */
+ u32 reserved; /* In */
+ u64 oca_cert_address; /* In */
+ u32 oca_cert_len; /* In */
+} __packed;
+
+/**
+ * struct sev_data_pdh_cert_export - PDH_CERT_EXPORT command parameters
+ *
+ * @pdh_address: PDH certificate address
+ * @pdh_len: len of PDH certificate
+ * @cert_chain_address: PDH certificate chain
+ * @cert_chain_len: len of PDH certificate chain
+ */
+struct sev_data_pdh_cert_export {
+ u64 pdh_cert_address; /* In */
+ u32 pdh_cert_len; /* In/Out */
+ u32 reserved; /* In */
+ u64 cert_chain_address; /* In */
+ u32 cert_chain_len; /* In/Out */
+} __packed;
+
+/**
+ * struct sev_data_decommission - DECOMMISSION command parameters
+ *
+ * @handle: handle of the VM to decommission
+ */
+struct sev_data_decommission {
+ u32 handle; /* In */
+} __packed;
+
+/**
+ * struct sev_data_activate - ACTIVATE command parameters
+ *
+ * @handle: handle of the VM to activate
+ * @asid: asid assigned to the VM
+ */
+struct sev_data_activate {
+ u32 handle; /* In */
+ u32 asid; /* In */
+} __packed;
+
+/**
+ * struct sev_data_deactivate - DEACTIVATE command parameters
+ *
+ * @handle: handle of the VM to deactivate
+ */
+struct sev_data_deactivate {
+ u32 handle; /* In */
+} __packed;
+
+/**
+ * struct sev_data_guest_status - SEV GUEST_STATUS command parameters
+ *
+ * @handle: handle of the VM to retrieve status
+ * @policy: policy information for the VM
+ * @asid: current ASID of the VM
+ * @state: current state of the VM
+ */
+struct sev_data_guest_status {
+ u32 handle; /* In */
+ u32 policy; /* Out */
+ u32 asid; /* Out */
+ u8 state; /* Out */
+} __packed;
+
+/**
+ * struct sev_data_launch_start - LAUNCH_START command parameters
+ *
+ * @handle: handle assigned to the VM
+ * @policy: guest launch policy
+ * @dh_cert_address: physical address of DH certificate blob
+ * @dh_cert_len: len of DH certificate blob
+ * @session_address: physical address of session parameters
+ * @session_len: len of session parameters
+ */
+struct sev_data_launch_start {
+ u32 handle; /* In/Out */
+ u32 policy; /* In */
+ u64 dh_cert_address; /* In */
+ u32 dh_cert_len; /* In */
+ u32 reserved; /* In */
+ u64 session_address; /* In */
+ u32 session_len; /* In */
+} __packed;
+
+/**
+ * struct sev_data_launch_update_data - LAUNCH_UPDATE_DATA command parameter
+ *
+ * @handle: handle of the VM to update
+ * @len: len of memory to be encrypted
+ * @address: physical address of memory region to encrypt
+ */
+struct sev_data_launch_update_data {
+ u32 handle; /* In */
+ u32 reserved;
+ u64 address; /* In */
+ u32 len; /* In */
+} __packed;
+
+/**
+ * struct sev_data_launch_update_vmsa - LAUNCH_UPDATE_VMSA command
+ *
+ * @handle: handle of the VM
+ * @address: physical address of memory region to encrypt
+ * @len: len of memory region to encrypt
+ */
+struct sev_data_launch_update_vmsa {
+ u32 handle; /* In */
+ u32 reserved;
+ u64 address; /* In */
+ u32 len; /* In */
+} __packed;
+
+/**
+ * struct sev_data_launch_measure - LAUNCH_MEASURE command parameters
+ *
+ * @handle: handle of the VM to process
+ * @address: physical address containing the measurement blob
+ * @len: len of measurement blob
+ */
+struct sev_data_launch_measure {
+ u32 handle; /* In */
+ u32 reserved;
+ u64 address; /* In */
+ u32 len; /* In/Out */
+} __packed;
+
+/**
+ * struct sev_data_launch_secret - LAUNCH_SECRET command parameters
+ *
+ * @handle: handle of the VM to process
+ * @hdr_address: physical address containing the packet header
+ * @hdr_len: len of packet header
+ * @guest_address: system physical address of guest memory region
+ * @guest_len: len of guest_paddr
+ * @trans_address: physical address of transport memory buffer
+ * @trans_len: len of transport memory buffer
+ */
+struct sev_data_launch_secret {
+ u32 handle; /* In */
+ u32 reserved1;
+ u64 hdr_address; /* In */
+ u32 hdr_len; /* In */
+ u32 reserved2;
+ u64 guest_address; /* In */
+ u32 guest_len; /* In */
+ u32 reserved3;
+ u64 trans_address; /* In */
+ u32 trans_len; /* In */
+} __packed;
+
+/**
+ * struct sev_data_launch_finish - LAUNCH_FINISH command parameters
+ *
+ * @handle: handle of the VM to process
+ */
+struct sev_data_launch_finish {
+ u32 handle; /* In */
+} __packed;
+
+/**
+ * struct sev_data_send_start - SEND_START command parameters
+ *
+ * @handle: handle of the VM to process
+ * @policy: policy information for the VM
+ * @pdh_cert_address: physical address containing PDH certificate
+ * @pdh_cert_len: len of PDH certificate
+ * @plat_certs_address: physical address containing platform certificate
+ * @plat_certs_len: len of platform certificate
+ * @amd_certs_address: physical address containing AMD certificate
+ * @amd_certs_len: len of AMD certificate
+ * @session_address: physical address containing Session data
+ * @session_len: len of session data
+ */
+struct sev_data_send_start {
+ u32 handle; /* In */
+ u32 policy; /* Out */
+ u64 pdh_cert_address; /* In */
+ u32 pdh_cert_len; /* In */
+ u32 reserved1;
+ u64 plat_cert_address; /* In */
+ u32 plat_cert_len; /* In */
+ u32 reserved2;
+ u64 amd_cert_address; /* In */
+ u32 amd_cert_len; /* In */
+ u32 reserved3;
+ u64 session_address; /* In */
+ u32 session_len; /* In/Out */
+} __packed;
+
+/**
+ * struct sev_data_send_update - SEND_UPDATE_DATA command
+ *
+ * @handle: handle of the VM to process
+ * @hdr_address: physical address containing packet header
+ * @hdr_len: len of packet header
+ * @guest_address: physical address of guest memory region to send
+ * @guest_len: len of guest memory region to send
+ * @trans_address: physical address of host memory region
+ * @trans_len: len of host memory region
+ */
+struct sev_data_send_update_data {
+ u32 handle; /* In */
+ u32 reserved1;
+ u64 hdr_address; /* In */
+ u32 hdr_len; /* In/Out */
+ u32 reserved2;
+ u64 guest_address; /* In */
+ u32 guest_len; /* In */
+ u32 reserved3;
+ u64 trans_address; /* In */
+ u32 trans_len; /* In */
+} __packed;
+
+/**
+ * struct sev_data_send_update - SEND_UPDATE_VMSA command
+ *
+ * @handle: handle of the VM to process
+ * @hdr_address: physical address containing packet header
+ * @hdr_len: len of packet header
+ * @guest_address: physical address of guest memory region to send
+ * @guest_len: len of guest memory region to send
+ * @trans_address: physical address of host memory region
+ * @trans_len: len of host memory region
+ */
+struct sev_data_send_update_vmsa {
+ u32 handle; /* In */
+ u64 hdr_address; /* In */
+ u32 hdr_len; /* In/Out */
+ u32 reserved2;
+ u64 guest_address; /* In */
+ u32 guest_len; /* In */
+ u32 reserved3;
+ u64 trans_address; /* In */
+ u32 trans_len; /* In */
+} __packed;
+
+/**
+ * struct sev_data_send_finish - SEND_FINISH command parameters
+ *
+ * @handle: handle of the VM to process
+ */
+struct sev_data_send_finish {
+ u32 handle; /* In */
+} __packed;
+
+/**
+ * struct sev_data_receive_start - RECEIVE_START command parameters
+ *
+ * @handle: handle of the VM to perform receive operation
+ * @pdh_cert_address: system physical address containing PDH certificate blob
+ * @pdh_cert_len: len of PDH certificate blob
+ * @session_address: system physical address containing session blob
+ * @session_len: len of session blob
+ */
+struct sev_data_receive_start {
+ u32 handle; /* In/Out */
+ u32 policy; /* In */
+ u64 pdh_cert_address; /* In */
+ u32 pdh_cert_len; /* In */
+ u32 reserved1;
+ u64 session_address; /* In */
+ u32 session_len; /* In */
+} __packed;
+
+/**
+ * struct sev_data_receive_update_data - RECEIVE_UPDATE_DATA command parameters
+ *
+ * @handle: handle of the VM to update
+ * @hdr_address: physical address containing packet header blob
+ * @hdr_len: len of packet header
+ * @guest_address: system physical address of guest memory region
+ * @guest_len: len of guest memory region
+ * @trans_address: system physical address of transport buffer
+ * @trans_len: len of transport buffer
+ */
+struct sev_data_receive_update_data {
+ u32 handle; /* In */
+ u32 reserved1;
+ u64 hdr_address; /* In */
+ u32 hdr_len; /* In */
+ u32 reserved2;
+ u64 guest_address; /* In */
+ u32 guest_len; /* In */
+ u32 reserved3;
+ u64 trans_address; /* In */
+ u32 trans_len; /* In */
+} __packed;
+
+/**
+ * struct sev_data_receive_update_vmsa - RECEIVE_UPDATE_VMSA command parameters
+ *
+ * @handle: handle of the VM to update
+ * @hdr_address: physical address containing packet header blob
+ * @hdr_len: len of packet header
+ * @guest_address: system physical address of guest memory region
+ * @guest_len: len of guest memory region
+ * @trans_address: system physical address of transport buffer
+ * @trans_len: len of transport buffer
+ */
+struct sev_data_receive_update_vmsa {
+ u32 handle; /* In */
+ u32 reserved1;
+ u64 hdr_address; /* In */
+ u32 hdr_len; /* In */
+ u32 reserved2;
+ u64 guest_address; /* In */
+ u32 guest_len; /* In */
+ u32 reserved3;
+ u64 trans_address; /* In */
+ u32 trans_len; /* In */
+} __packed;
+
+/**
+ * struct sev_data_receive_finish - RECEIVE_FINISH command parameters
+ *
+ * @handle: handle of the VM to finish
+ */
+struct sev_data_receive_finish {
+ u32 handle; /* In */
+} __packed;
+
+/**
+ * struct sev_data_dbg - DBG_ENCRYPT/DBG_DECRYPT command parameters
+ *
+ * @handle: handle of the VM to perform debug operation
+ * @src_addr: source address of data to operate on
+ * @dst_addr: destination address of data to operate on
+ * @len: len of data to operate on
+ */
+struct sev_data_dbg {
+ u32 handle; /* In */
+ u32 reserved;
+ u64 src_addr; /* In */
+ u64 dst_addr; /* In */
+ u32 len; /* In */
+} __packed;
+
+#endif /* __PSP_SEV_H__ */
--
2.9.5
next prev parent reply other threads:[~2017-11-01 22:08 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-01 21:15 [Part2 PATCH v7 00/38] x86: Secure Encrypted Virtualization (AMD) Brijesh Singh
2017-11-01 21:15 ` [Part2 PATCH v7 01/38] Documentation/virtual/kvm: Add AMD Secure Encrypted Virtualization (SEV) Brijesh Singh
2017-11-01 21:15 ` [Part2 PATCH v7 02/38] x86/CPU/AMD: Add the Secure Encrypted Virtualization CPU feature Brijesh Singh
2017-11-01 21:15 ` [Part2 PATCH v7 03/38] kvm: svm: prepare for new bit definition in nested_ctl Brijesh Singh
2017-11-01 21:15 ` [Part2 PATCH v7 04/38] kvm: svm: Add SEV feature definitions to KVM Brijesh Singh
2017-11-01 21:15 ` [Part2 PATCH v7 05/38] KVM: SVM: Prepare to reserve asid for SEV guest Brijesh Singh
2017-11-01 21:15 ` [Part2 PATCH v7 06/38] KVM: X86: Extend CPUID range to include new leaf Brijesh Singh
2017-11-01 21:15 ` [Part2 PATCH v7 07/38] KVM: Introduce KVM_MEMORY_ENCRYPT_OP ioctl Brijesh Singh
2017-11-01 21:15 ` [Part2 PATCH v7 08/38] KVM: Introduce KVM_MEMORY_ENCRYPT_{UN,}REG_REGION ioctl Brijesh Singh
2017-11-01 21:15 ` [Part2 PATCH v7 09/38] crypto: ccp: Build the AMD secure processor driver only with AMD CPU support Brijesh Singh
2017-11-01 21:15 ` [Part2 PATCH v7 10/38] crypto: ccp: Define SEV userspace ioctl and command id Brijesh Singh
2017-11-01 21:15 ` Brijesh Singh [this message]
2017-11-01 21:15 ` [Part2 PATCH v7 12/38] crypto: ccp: Add Platform Security Processor (PSP) device support Brijesh Singh
2017-11-01 21:15 ` [Part2 PATCH v7 13/38] crypto: ccp: Add Secure Encrypted Virtualization (SEV) command support Brijesh Singh
2017-11-02 17:10 ` Borislav Petkov
2017-11-02 17:32 ` Brijesh Singh
2017-11-01 21:15 ` [Part2 PATCH v7 14/38] crypto: ccp: Implement SEV_FACTORY_RESET ioctl command Brijesh Singh
2017-11-03 12:42 ` Borislav Petkov
2017-11-01 21:16 ` [Part2 PATCH v7 15/38] crypto: ccp: Implement SEV_PLATFORM_STATUS " Brijesh Singh
2017-11-01 21:16 ` [Part2 PATCH v7 16/38] crypto: ccp: Implement SEV_PEK_GEN " Brijesh Singh
2017-11-01 21:16 ` [Part2 PATCH v7 17/38] crypto: ccp: Implement SEV_PDH_GEN " Brijesh Singh
2017-11-01 21:16 ` [Part2 PATCH v7 18/38] crypto: ccp: Implement SEV_PEK_CSR " Brijesh Singh
2017-11-03 19:42 ` Borislav Petkov
2017-11-03 20:01 ` Brijesh Singh
2017-11-01 21:16 ` [Part2 PATCH v7 19/38] crypto: ccp: Implement SEV_PEK_CERT_IMPORT " Brijesh Singh
2017-11-04 10:22 ` Borislav Petkov
2017-11-01 21:16 ` [Part2 PATCH v7 20/38] crypto: ccp: Implement SEV_PDH_CERT_EXPORT " Brijesh Singh
2017-11-05 11:34 ` Borislav Petkov
2017-11-06 16:16 ` Brijesh Singh
2017-11-01 21:16 ` [Part2 PATCH v7 21/38] KVM: X86: Add CONFIG_KVM_AMD_SEV Brijesh Singh
2017-11-01 21:16 ` [Part2 PATCH v7 22/38] KVM: SVM: Add sev module_param Brijesh Singh
2017-11-01 21:16 ` [Part2 PATCH v7 23/38] KVM: SVM: Reserve ASID range for SEV guest Brijesh Singh
2017-11-06 10:34 ` Borislav Petkov
2017-11-06 16:18 ` Brijesh Singh
2017-11-01 21:16 ` [Part2 PATCH v7 24/38] KVM: Define SEV key management command id Brijesh Singh
2017-11-01 21:16 ` [Part2 PATCH v7 25/38] KVM: SVM: Add KVM_SEV_INIT command Brijesh Singh
2017-11-06 10:57 ` Borislav Petkov
2017-11-06 16:19 ` Brijesh Singh
2017-11-01 21:16 ` [Part2 PATCH v7 26/38] KVM: SVM: VMRUN should use associated ASID when SEV is enabled Brijesh Singh
2017-11-01 21:16 ` [Part2 PATCH v7 27/38] KVM: SVM: Add support for KVM_SEV_LAUNCH_START command Brijesh Singh
2017-11-01 21:16 ` [Part2 PATCH v7 28/38] KVM: SVM: Add support for KVM_SEV_LAUNCH_UPDATE_DATA command Brijesh Singh
2017-11-01 21:16 ` [Part2 PATCH v7 29/38] KVM: SVM: Add support for KVM_SEV_LAUNCH_MEASURE command Brijesh Singh
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