diff options
Diffstat (limited to 'drivers/mxc/security/sahara2/include/adaptor.h')
| -rw-r--r-- | drivers/mxc/security/sahara2/include/adaptor.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/drivers/mxc/security/sahara2/include/adaptor.h b/drivers/mxc/security/sahara2/include/adaptor.h new file mode 100644 index 000000000000..4c2d2bd7b688 --- /dev/null +++ b/drivers/mxc/security/sahara2/include/adaptor.h @@ -0,0 +1,113 @@ +/* + * Copyright (C) 2004-2010 Freescale Semiconductor, Inc. All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +/*! +* @file adaptor.h +* +* @brief The Adaptor component provides an interface to the device +* driver. +* +* Intended to be used by the FSL SHW API, this can also be called directly +*/ + +#ifndef ADAPTOR_H +#define ADAPTOR_H + +#include <sahara.h> + +/*! + * Structure passed during user ioctl() call to submit request. + */ +typedef struct sah_dar { + sah_Desc *desc_addr; /*!< head of descriptor chain */ + uint32_t uco_flags; /*!< copy of fsl_shw_uco flags field */ + uint32_t uco_user_ref; /*!< copy of fsl_shw_uco user_ref */ + uint32_t result; /*!< result of descriptor chain request */ + struct sah_dar *next; /*!< for driver use */ +} sah_dar_t; + +/*! + * Structure passed during user ioctl() call to Register a user + */ +typedef struct sah_register { + uint32_t pool_size; /*!< max number of outstanding requests possible */ + uint32_t result; /*!< result of registration request */ +} sah_register_t; + +/*! + * Structure passed during ioctl() call to request SCC operation + */ +typedef struct scc_data { + uint32_t length; /*!< length of data */ + uint8_t *in; /*!< input data */ + uint8_t *out; /*!< output data */ + unsigned direction; /*!< encrypt or decrypt */ + fsl_shw_sym_mode_t crypto_mode; /*!< CBC or EBC */ + uint8_t *init_vector; /*!< initialization vector or NULL */ +} scc_data_t; + +/*! + * Structure passed during user ioctl() calls to manage stored keys and + * stored-key slots. + */ +typedef struct scc_slot_t { + uint64_t ownerid; /*!< Owner's id to check/set permissions */ + uint32_t key_length; /*!< Length of key */ + uint32_t slot; /*!< Slot to operation on, or returned slot + number. */ + uint8_t *key; /*!< User-memory pointer to key value */ + fsl_shw_return_t code; /*!< API return code from operation */ +} scc_slot_t; + +/* + * Structure passed during user ioctl() calls to manage data stored in secure + * partitions. + */ +typedef struct scc_region_t { + uint32_t partition_base; /*!< User virtual address of the + partition base. */ + uint32_t offset; /*!< Offset from the start of the + partition where the cleartext data + is located. */ + uint32_t length; /*!< Length of the region to be + operated on */ + uint8_t *black_data; /*!< User virtual address of any black + (encrypted) data. */ + fsl_shw_cypher_mode_t cypher_mode; /*!< Cypher mode to use in an encryt/ + decrypt operation. */ + uint32_t IV[4]; /*!< Intialization vector to use in an + encrypt/decrypt operation. */ + fsl_shw_return_t code; /*!< API return code from operation */ +} scc_region_t; + +/* + * Structure passed during user ioctl() calls to manage secure partitions. + */ +typedef struct scc_partition_info_t { + uint32_t user_base; /**< Userspace pointer to base of partition */ + uint32_t permissions; /**< Permissions to give the partition (only + used in call to _DROP_PERMS) */ + fsl_shw_partition_status_t status; /*!< Status of the partition */ +} scc_partition_info_t; + +fsl_shw_return_t adaptor_Exec_Descriptor_Chain(sah_Head_Desc * dar, + fsl_shw_uco_t * uco); +fsl_shw_return_t sah_get_results(sah_results * arg, fsl_shw_uco_t * uco); +fsl_shw_return_t sah_register(fsl_shw_uco_t * user_ctx); +fsl_shw_return_t sah_deregister(fsl_shw_uco_t * user_ctx); +fsl_shw_return_t get_capabilities(fsl_shw_uco_t * user_ctx, + fsl_shw_pco_t *capabilities); + +#endif /* ADAPTOR_H */ + +/* End of adaptor.h */ |