diff options
Diffstat (limited to 'drivers/crypto/ccp/dbc.h')
| -rw-r--r-- | drivers/crypto/ccp/dbc.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/crypto/ccp/dbc.h b/drivers/crypto/ccp/dbc.h new file mode 100644 index 0000000000..e963099ca3 --- /dev/null +++ b/drivers/crypto/ccp/dbc.h @@ -0,0 +1,56 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * AMD Platform Security Processor (PSP) Dynamic Boost Control support + * + * Copyright (C) 2023 Advanced Micro Devices, Inc. + * + * Author: Mario Limonciello <mario.limonciello@amd.com> + */ + +#ifndef __DBC_H__ +#define __DBC_H__ + +#include <uapi/linux/psp-dbc.h> + +#include <linux/device.h> +#include <linux/miscdevice.h> +#include <linux/psp-platform-access.h> + +#include "psp-dev.h" + +struct psp_dbc_device { + struct device *dev; + + union dbc_buffer *mbox; + + struct mutex ioctl_mutex; + + struct miscdevice char_dev; +}; + +struct dbc_nonce { + struct psp_req_buffer_hdr header; + struct dbc_user_nonce user; +} __packed; + +struct dbc_set_uid { + struct psp_req_buffer_hdr header; + struct dbc_user_setuid user; +} __packed; + +struct dbc_param { + struct psp_req_buffer_hdr header; + struct dbc_user_param user; +} __packed; + +union dbc_buffer { + struct psp_request req; + struct dbc_nonce dbc_nonce; + struct dbc_set_uid dbc_set_uid; + struct dbc_param dbc_param; +}; + +void dbc_dev_destroy(struct psp_device *psp); +int dbc_dev_init(struct psp_device *psp); + +#endif /* __DBC_H */ |