unsupported "lm_J*j"Tvp)F hplatform:serial8250 _I|Mjq؂File not found. + l4( (  fB- ͺ_I|+? /* SPDX-License-Identifier: GPL-2.0-only */ /* * AMD Cryptographic Coprocessor (CCP) driver * * Copyright (C) 2013,2017 Advanced Micro Devices, Inc. * * Author: Tom Lendacky * Author: Gary R Hook */ #ifndef __CCP_H__ #define __CCP_H__ #include #include #include #include #include #include struct ccp_device; struct ccp_cmd; #if defined(CONFIG_CRYPTO_DEV_SP_CCP) /** * ccp_present - check if a CCP device is present * * Returns zero if a CCP device is present, -ENODEV otherwise. */ int ccp_present(void); #define CCP_VSIZE 16 #define CCP_VMASK ((unsigned int)((1 << CCP_VSIZE) - 1)) #define CCP_VERSION(v, r) ((unsigned int)((v << CCP_VSIZE) \ | (r & CCP_VMASK))) /** * ccp_version - get the version of the CCP * * Returns a positive version number, or zero if no CCP */ unsigned int ccp_version(void); /** * ccp_enqueue_cmd - queue an operation for processing by the CCP * * @cmd: ccp_cmd struct to be processed * * Refer to the ccp_cmd struct below for required fields. * * Queue a cmd to be processed by the CCP. If queueing the cmd * would exceed the defined length of the cmd queue the cmd will * only be queued if the CCP_CMD_MAY_BACKLOG flag is set and will * result in a return code of -EBUSY. * * The callback routine specified in the ccp_cmd struct will be * called to notify the caller of completion (if the cmd was not * backlogged) or advancement out of the backlog. If the cmd has * advanced out of the backlog the "err" value of the callback * will be -EINPROGRESS. Any other "err" value during callback is * the result of the operation. * * The cmd has been successfully queued if: * the return code is -EINPROGRESS or * the return code is -EBUSY and CCP_CMD_MAY_BACKLOG flag is set */ int ccp_enqueue_cmd(struct ccp_cmd *cmd); #else /* CONFIG_CRYPTO_DEV_CCP_SP_DEV is not enabled */ static inline int ccp_present(void) { return -ENODEV; } static inline unsigned int ccp_version(void) { return 0; } static inline int ccp_enqueue_cmd(struct ccp_cmd *cmd) { return -ENODEV; } #endif /* CONFIG_CRYPTO_DEV_SP_CCP */ /***** AES engine *****/ /** * ccp_aes_type - AES key size * * @CCP_AES_TYPE_128: 128-bit key * @CCP_AES_TYPE_192: 192-bit key * @CCP_AES_TYPE_256: 256-bit key */ enum ccp_aes_type { CCP_AES_TYPE_128 = 0, CCP_AES_TYPE_192, CCP_AES_TYPE_256, CCP_AES_TYPE__LAST, }; /** * ccp_aes_mode - AES operation mode * * @CCP_AES_MODE_ECB: ECB mode * @CCP_AES_MODE_CBC: CBC mode * @CCP_AES_MODE_OFB: OFB mode * @CCP_AES_MODE_CFB: CFB mode * @CCP_AES_MODE_CTR: CTR mode * @CCP_AES_MODE_CMAC: CMAC mode */ enum ccp_aes_mode { CCP_AES_MODE_ECB = 0, CCP_AES_MODE_CBC, CCP_AES_MODE_OFB, CCP_AES_MODE_CFB, CCP_AES_MODE_CTR, CCP_AES_MODE_CMAC, CCP_AES_MODE_GHASH, CCP_AES_MODE_GCTR, CCP_AES_MODE_GCM, CCP_AES_MODE_GMAC, CCP_AES_MODE__LAST, }; /** * ccp_aes_mode - AES operation mode * * @CCP_AES_ACTION_DECRYPT: AES decrypt operation * @CCP_AES_ACTION_ENCRYPT: AES encrypt operation */ enum ccp_aes_action { CCP_AES_ACTION_DECRYPT = 0, CCP_AES_ACTION_ENCRYPT, CCP_AES_ACTION__LAST, }; /* Overloaded field */ #define CCP_AES_GHASHAAD CCP_AES_ACTION_DECRYPT #define CCP_AES_GHASHFINAL CCP_AES_ACTION_ENCRYPT /** * struct ccp_aes_engine - CCP AES operation * @type: AES operation key size * @mode: AES operation mode * @action: AES operation (decrypt/encrypt) * @key: key to be used for this AES operation * @key_len: length in bytes of key * @iv: IV to be used for this AES operation * @iv_len: length in bytes of iv * @src: data to be used for this operation * @dst: data produced by this operation * @src_len: length in bytes of data used for this operation * @cmac_final: indicates final operation when running