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linux_dsm_epyc7002/include/uapi/linux/psp-sev.h
Masahiro Yamada d9c5252295 treewide: add "WITH Linux-syscall-note" to SPDX tag of uapi headers 
UAPI headers licensed under GPL are supposed to have exception
"WITH Linux-syscall-note" so that they can be included into non-GPL
user space application code.

The exception note is missing in some UAPI headers.

Some of them slipped in by the treewide conversion commit b24413180f
("License cleanup: add SPDX GPL-2.0 license identifier to files with
no license"). Just run:

  $ git show --oneline b24413180f -- arch/x86/include/uapi/asm/

I believe they are not intentional, and should be fixed too.

This patch was generated by the following script:

  git grep -l --not -e Linux-syscall-note --and -e SPDX-License-Identifier \
    -- :arch/*/include/uapi/asm/*.h :include/uapi/ :^*/Kbuild |
  while read file
  do
          sed -i -e '/[[:space:]]OR[[:space:]]/s/\(GPL-[^[:space:]]*\)/(\1 WITH Linux-syscall-note)/g' \
          -e '/[[:space:]]or[[:space:]]/s/\(GPL-[^[:space:]]*\)/(\1 WITH Linux-syscall-note)/g' \
          -e '/[[:space:]]OR[[:space:]]/!{/[[:space:]]or[[:space:]]/!s/\(GPL-[^[:space:]]*\)/\1 WITH Linux-syscall-note/g}' $file
  done

After this patch is applied, there are 5 UAPI headers that do not contain
"WITH Linux-syscall-note". They are kept untouched since this exception
applies only to GPL variants.

  $ git grep --not -e Linux-syscall-note --and -e SPDX-License-Identifier \
    -- :arch/*/include/uapi/asm/*.h :include/uapi/ :^*/Kbuild
  include/uapi/drm/panfrost_drm.h:/* SPDX-License-Identifier: MIT */
  include/uapi/linux/batman_adv.h:/* SPDX-License-Identifier: MIT */
  include/uapi/linux/qemu_fw_cfg.h:/* SPDX-License-Identifier: BSD-3-Clause */
  include/uapi/linux/vbox_err.h:/* SPDX-License-Identifier: MIT */
  include/uapi/linux/virtio_iommu.h:/* SPDX-License-Identifier: BSD-3-Clause */

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-07-25 11:05:10 +02:00

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/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
/*
* Userspace interface for AMD Secure Encrypted Virtualization (SEV)
* platform management commands.
*
* Copyright (C) 2016-2017 Advanced Micro Devices, Inc.
*
* Author: Brijesh Singh <brijesh.singh@amd.com>
*
* SEV API specification is available at: https://developer.amd.com/sev/
*/
#ifndef __PSP_SEV_USER_H__
#define __PSP_SEV_USER_H__
#include <linux/types.h>
/**
* SEV platform commands
*/
enum {
SEV_FACTORY_RESET = 0,
SEV_PLATFORM_STATUS,
SEV_PEK_GEN,
SEV_PEK_CSR,
SEV_PDH_GEN,
SEV_PDH_CERT_EXPORT,
SEV_PEK_CERT_IMPORT,
SEV_GET_ID, /* This command is deprecated, use SEV_GET_ID2 */
SEV_GET_ID2,
SEV_MAX,
};
/**
* SEV Firmware status code
*/
typedef enum {
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,
} sev_ret_code;
/**
* struct sev_user_data_status - PLATFORM_STATUS command parameters
*
* @major: major API version
* @minor: minor API version
* @state: platform state
* @flags: platform config flags
* @build: firmware build id for API version
* @guest_count: number of active guests
*/
struct sev_user_data_status {
__u8 api_major; /* Out */
__u8 api_minor; /* Out */
__u8 state; /* Out */
__u32 flags; /* Out */
__u8 build; /* Out */
__u32 guest_count; /* Out */
} __packed;
/**
* struct sev_user_data_pek_csr - PEK_CSR command parameters
*
* @address: PEK certificate chain
* @length: length of certificate
*/
struct sev_user_data_pek_csr {
__u64 address; /* In */
__u32 length; /* In/Out */
} __packed;
/**
* struct sev_user_data_cert_import - PEK_CERT_IMPORT command parameters
*
* @pek_address: PEK certificate chain
* @pek_len: length of PEK certificate
* @oca_address: OCA certificate chain
* @oca_len: length of OCA certificate
*/
struct sev_user_data_pek_cert_import {
__u64 pek_cert_address; /* In */
__u32 pek_cert_len; /* In */
__u64 oca_cert_address; /* In */
__u32 oca_cert_len; /* In */
} __packed;
/**
* struct sev_user_data_pdh_cert_export - PDH_CERT_EXPORT command parameters
*
* @pdh_address: PDH certificate address
* @pdh_len: length of PDH certificate
* @cert_chain_address: PDH certificate chain
* @cert_chain_len: length of PDH certificate chain
*/
struct sev_user_data_pdh_cert_export {
__u64 pdh_cert_address; /* In */
__u32 pdh_cert_len; /* In/Out */
__u64 cert_chain_address; /* In */
__u32 cert_chain_len; /* In/Out */
} __packed;
/**
* struct sev_user_data_get_id - GET_ID command parameters (deprecated)
*
* @socket1: Buffer to pass unique ID of first socket
* @socket2: Buffer to pass unique ID of second socket
*/
struct sev_user_data_get_id {
__u8 socket1[64]; /* Out */
__u8 socket2[64]; /* Out */
} __packed;
/**
* struct sev_user_data_get_id2 - GET_ID command parameters
* @address: Buffer to store unique ID
* @length: length of the unique ID
*/
struct sev_user_data_get_id2 {
__u64 address; /* In */
__u32 length; /* In/Out */
} __packed;
/**
* struct sev_issue_cmd - SEV ioctl parameters
*
* @cmd: SEV commands to execute
* @opaque: pointer to the command structure
* @error: SEV FW return code on failure
*/
struct sev_issue_cmd {
__u32 cmd; /* In */
__u64 data; /* In */
__u32 error; /* Out */
} __packed;
#define SEV_IOC_TYPE 'S'
#define SEV_ISSUE_CMD _IOWR(SEV_IOC_TYPE, 0x0, struct sev_issue_cmd)
#endif /* __PSP_USER_SEV_H */
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