Pull crypto updates from Herbert Xu: "API: - Move crypto engine callback from tfm ctx into algorithm object - Fix atomic sleep bug in crypto_destroy_instance - Move lib/mpi into lib/crypto Algorithms: - Add chacha20 and poly1305 implementation for powerpc p10 Drivers: - Add AES skcipher and aead support to starfive - Add Dynamic Boost Control support to ccp - Add support for STM32P13 platform to stm32" * tag 'v6.6-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (149 commits) Revert "dt-bindings: crypto: qcom,prng: Add SM8450" crypto: chelsio - Remove unused declarations X.509: if signature is unsupported skip validation crypto: qat - fix crypto capability detection for 4xxx crypto: drivers - Explicitly include correct DT includes crypto: engine - Remove crypto_engine_ctx crypto: zynqmp - Use new crypto_engine_op interface crypto: virtio - Use new crypto_engine_op interface crypto: stm32 - Use new crypto_engine_op interface crypto: jh7110 - Use new crypto_engine_op interface crypto: rk3288 - Use new crypto_engine_op interface crypto: omap - Use new crypto_engine_op interface crypto: keembay - Use new crypto_engine_op interface crypto: sl3516 - Use new crypto_engine_op interface crypto: caam - Use new crypto_engine_op interface crypto: aspeed - Remove non-standard sha512 algorithms crypto: aspeed - Use new crypto_engine_op interface crypto: amlogic - Use new crypto_engine_op interface crypto: sun8i-ss - Use new crypto_engine_op interface crypto: sun8i-ce - Use new crypto_engine_op interface ...
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| 1 | /* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */ | ||
| 2 | /* | ||
| 3 | * Userspace interface for AMD Dynamic Boost Control (DBC) | ||
| 4 | * | ||
| 5 | * Copyright (C) 2023 Advanced Micro Devices, Inc. | ||
| 6 | * | ||
| 7 | * Author: Mario Limonciello <mario.limonciello@amd.com> | ||
| 8 | */ | ||
| 9 | |||
| 10 | #ifndef __PSP_DBC_USER_H__ | ||
| 11 | #define __PSP_DBC_USER_H__ | ||
| 12 | |||
| 13 | #include <linux/types.h> | ||
| 14 | |||
| 15 | /** | ||
| 16 | * DOC: AMD Dynamic Boost Control (DBC) interface | ||
| 17 | */ | ||
| 18 | |||
| 19 | #define DBC_NONCE_SIZE 16 | ||
| 20 | #define DBC_SIG_SIZE 32 | ||
| 21 | #define DBC_UID_SIZE 16 | ||
| 22 | |||
| 23 | /** | ||
| 24 | * struct dbc_user_nonce - Nonce exchange structure (input/output). | ||
| 25 | * @auth_needed: Whether the PSP should authenticate this request (input). | ||
| 26 | * 0: no authentication, PSP will return single use nonce. | ||
| 27 | * 1: authentication: PSP will return multi-use nonce. | ||
| 28 | * @nonce: 8 byte value used for future authentication (output). | ||
| 29 | * @signature: Optional 32 byte signature created by software using a | ||
| 30 | * previous nonce (input). | ||
| 31 | */ | ||
| 32 | struct dbc_user_nonce { | ||
| 33 | __u32 auth_needed; | ||
| 34 | __u8 nonce[DBC_NONCE_SIZE]; | ||
| 35 | __u8 signature[DBC_SIG_SIZE]; | ||
| 36 | } __packed; | ||
| 37 | |||
| 38 | /** | ||
| 39 | * struct dbc_user_setuid - UID exchange structure (input). | ||
| 40 | * @uid: 16 byte value representing software identity | ||
| 41 | * @signature: 32 byte signature created by software using a previous nonce | ||
| 42 | */ | ||
| 43 | struct dbc_user_setuid { | ||
| 44 | __u8 uid[DBC_UID_SIZE]; | ||
| 45 | __u8 signature[DBC_SIG_SIZE]; | ||
| 46 | } __packed; | ||
| 47 | |||
| 48 | /** | ||
| 49 | * struct dbc_user_param - Parameter exchange structure (input/output). | ||
| 50 | * @msg_index: Message indicating what parameter to set or get (input) | ||
| 51 | * @param: 4 byte parameter, units are message specific. (input/output) | ||
| 52 | * @signature: 32 byte signature. | ||
| 53 | * - When sending a message this is to be created by software | ||
| 54 | * using a previous nonce (input) | ||
| 55 | * - For interpreting results, this signature is updated by the | ||
| 56 | * PSP to allow software to validate the authenticity of the | ||
| 57 | * results. | ||
| 58 | */ | ||
| 59 | struct dbc_user_param { | ||
| 60 | __u32 msg_index; | ||
| 61 | __u32 param; | ||
| 62 | __u8 signature[DBC_SIG_SIZE]; | ||
| 63 | } __packed; | ||
| 64 | |||
| 65 | /** | ||
| 66 | * Dynamic Boost Control (DBC) IOC | ||
| 67 | * | ||
| 68 | * possible return codes for all DBC IOCTLs: | ||
| 69 | * 0: success | ||
| 70 | * -EINVAL: invalid input | ||
| 71 | * -E2BIG: excess data passed | ||
| 72 | * -EFAULT: failed to copy to/from userspace | ||
| 73 | * -EBUSY: mailbox in recovery or in use | ||
| 74 | * -ENODEV: driver not bound with PSP device | ||
| 75 | * -EACCES: request isn't authorized | ||
| 76 | * -EINVAL: invalid parameter | ||
| 77 | * -ETIMEDOUT: request timed out | ||
| 78 | * -EAGAIN: invalid request for state machine | ||
| 79 | * -ENOENT: not implemented | ||
| 80 | * -ENFILE: overflow | ||
| 81 | * -EPERM: invalid signature | ||
| 82 | * -EIO: unknown error | ||
| 83 | */ | ||
| 84 | #define DBC_IOC_TYPE 'D' | ||
| 85 | |||
| 86 | /** | ||
| 87 | * DBCIOCNONCE - Fetch a nonce from the PSP for authenticating commands. | ||
| 88 | * If a nonce is fetched without authentication it can only | ||
| 89 | * be utilized for one command. | ||
| 90 | * If a nonce is fetched with authentication it can be used | ||
| 91 | * for multiple requests. | ||
| 92 | */ | ||
| 93 | #define DBCIOCNONCE _IOWR(DBC_IOC_TYPE, 0x1, struct dbc_user_nonce) | ||
| 94 | |||
| 95 | /** | ||
| 96 | * DBCIOCUID - Set the user ID (UID) of a calling process. | ||
| 97 | * The user ID is 8 bytes long. It must be programmed using a | ||
| 98 | * 32 byte signature built using the nonce fetched from | ||
| 99 | * DBCIOCNONCE. | ||
| 100 | * The UID can only be set once until the system is rebooted. | ||
| 101 | */ | ||
| 102 | #define DBCIOCUID _IOW(DBC_IOC_TYPE, 0x2, struct dbc_user_setuid) | ||
| 103 | |||
| 104 | /** | ||
| 105 | * DBCIOCPARAM - Set or get a parameter from the PSP. | ||
| 106 | * This request will only work after DBCIOCUID has successfully | ||
| 107 | * set the UID of the calling process. | ||
| 108 | * Whether the parameter is set or get is controlled by the | ||
| 109 | * message ID in the request. | ||
| 110 | * This command must be sent using a 32 byte signature built | ||
| 111 | * using the nonce fetched from DBCIOCNONCE. | ||
| 112 | * When the command succeeds, the 32 byte signature will be | ||
| 113 | * updated by the PSP for software to authenticate the results. | ||
| 114 | */ | ||
| 115 | #define DBCIOCPARAM _IOWR(DBC_IOC_TYPE, 0x3, struct dbc_user_param) | ||
| 116 | |||
| 117 | /** | ||
| 118 | * enum dbc_cmd_msg - Messages utilized by DBCIOCPARAM | ||
| 119 | * @PARAM_GET_FMAX_CAP: Get frequency cap (MHz) | ||
| 120 | * @PARAM_SET_FMAX_CAP: Set frequency cap (MHz) | ||
| 121 | * @PARAM_GET_PWR_CAP: Get socket power cap (mW) | ||
| 122 | * @PARAM_SET_PWR_CAP: Set socket power cap (mW) | ||
| 123 | * @PARAM_GET_GFX_MODE: Get graphics mode (0/1) | ||
| 124 | * @PARAM_SET_GFX_MODE: Set graphics mode (0/1) | ||
| 125 | * @PARAM_GET_CURR_TEMP: Get current temperature (degrees C) | ||
| 126 | * @PARAM_GET_FMAX_MAX: Get maximum allowed value for frequency (MHz) | ||
| 127 | * @PARAM_GET_FMAX_MIN: Get minimum allowed value for frequency (MHz) | ||
| 128 | * @PARAM_GET_SOC_PWR_MAX: Get maximum allowed value for SoC power (mw) | ||
| 129 | * @PARAM_GET_SOC_PWR_MIN: Get minimum allowed value for SoC power (mw) | ||
| 130 | * @PARAM_GET_SOC_PWR_CUR: Get current value for SoC Power (mW) | ||
| 131 | */ | ||
| 132 | enum dbc_cmd_msg { | ||
| 133 | PARAM_GET_FMAX_CAP = 0x3, | ||
| 134 | PARAM_SET_FMAX_CAP = 0x4, | ||
| 135 | PARAM_GET_PWR_CAP = 0x5, | ||
| 136 | PARAM_SET_PWR_CAP = 0x6, | ||
| 137 | PARAM_GET_GFX_MODE = 0x7, | ||
| 138 | PARAM_SET_GFX_MODE = 0x8, | ||
| 139 | PARAM_GET_CURR_TEMP = 0x9, | ||
| 140 | PARAM_GET_FMAX_MAX = 0xA, | ||
| 141 | PARAM_GET_FMAX_MIN = 0xB, | ||
| 142 | PARAM_GET_SOC_PWR_MAX = 0xC, | ||
| 143 | PARAM_GET_SOC_PWR_MIN = 0xD, | ||
| 144 | PARAM_GET_SOC_PWR_CUR = 0xE, | ||
| 145 | }; | ||
| 146 | |||
| 147 | #endif /* __PSP_DBC_USER_H__ */ | ||