diff options
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/linux/Kbuild | 1 | ||||
| -rw-r--r-- | include/uapi/linux/msm_pft.h | 134 |
2 files changed, 135 insertions, 0 deletions
diff --git a/include/uapi/linux/Kbuild b/include/uapi/linux/Kbuild index 4c0fd6369a76..16b7e327818d 100644 --- a/include/uapi/linux/Kbuild +++ b/include/uapi/linux/Kbuild @@ -302,6 +302,7 @@ header-y += msm_audio_alac.h header-y += msm_audio_ape.h header-y += msm_ion.h header-y += msm_kgsl.h +header-y += msm_pft.h header-y += msm_mdp.h header-y += msm_mdp_ext.h header-y += msm_rmnet.h diff --git a/include/uapi/linux/msm_pft.h b/include/uapi/linux/msm_pft.h new file mode 100644 index 000000000000..1127337eb5de --- /dev/null +++ b/include/uapi/linux/msm_pft.h @@ -0,0 +1,134 @@ +/* Copyright (c) 2014-2015, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef MSM_PFT_H_ +#define MSM_PFT_H_ + +#include <linux/types.h> + +/** + * enum pft_command_opcode - PFT driver command ID + * + * @PFT_CMD_OPCODE_SET_STATE - + * command ID to set PFT driver state + * @PFT_CMD_OPCODE_UPDATE_REG_APP_UID - + * command ID to update the list of registered application + * UID + * @PFT_CMD_OPCODE_PERFORM_IN_PLACE_FILE_ENC - + * command ID to perfrom in-place file encryption + */ +enum pft_command_opcode { + PFT_CMD_OPCODE_SET_STATE, + PFT_CMD_OPCODE_UPDATE_REG_APP_UID, + PFT_CMD_OPCODE_PERFORM_IN_PLACE_FILE_ENC, + /* */ + PFT_CMD_OPCODE_MAX_COMMAND_INDEX +}; + +/** + * enum pft_state - PFT driver operational states + * + * @PFT_STATE_DEACTIVATED - driver is deativated. + * @PFT_STATE_DEACTIVATING - driver is in the process of being deativated. + * @PFT_STATE_KEY_REMOVED - driver is active but no encryption key is loaded. + * @PFT_STATE_REMOVING_KEY - driver is active, but the encryption key is being + * removed. + * @PFT_STATE_KEY_LOADED - driver is active, and the encryption key is loaded + * to encryption block, hence registered apps can perform file operations + * on encrypted files. + */ +enum pft_state { + PFT_STATE_DEACTIVATED, + PFT_STATE_DEACTIVATING, + PFT_STATE_KEY_REMOVED, + PFT_STATE_REMOVING_KEY, + PFT_STATE_KEY_LOADED, + /* Internal */ + PFT_STATE_MAX_INDEX +}; + +/** + * enum pft_command_response_code - PFT response on the previous + * command + * + * @PFT_CMD_RESP_SUCCESS - The command was properly processed + * without an error. + * @PFT_CMD_RESP_GENERAL_ERROR - + * Indicates an error that cannot be better described by a + * more specific errors below. + * @PFT_CMD_RESP_INVALID_COMMAND - Invalid or unsupported + * command id. + * @PFT_CMD_RESP_INVALID_CMD_PARAMS - Invalid command + * parameters. + * @PFT_CMD_RESP_INVALID_STATE - Invalid state + * @PFT_CMD_RESP_ALREADY_IN_STATE - Used to indicates that + * the new state is equal to the existing one. + * @PFT_CMD_RESP_INPLACE_FILE_IS_OPEN - Used to indicates + * that the file that should be encrypted is already open + * and can be encrypted. + * @PFT_CMD_RESP_ENT_FILES_CLOSING_FAILURE + * Indicates about failure of the PFT to close Enterprise files + * @PFT_CMD_RESP_MAX_INDEX + */ +enum pft_command_response_code { + PFT_CMD_RESP_SUCCESS, + PFT_CMD_RESP_GENERAL_ERROR, + PFT_CMD_RESP_INVALID_COMMAND, + PFT_CMD_RESP_INVALID_CMD_PARAMS, + PFT_CMD_RESP_INVALID_STATE, + PFT_CMD_RESP_ALREADY_IN_STATE, + PFT_CMD_RESP_INPLACE_FILE_IS_OPEN, + PFT_CMD_RESP_ENT_FILES_CLOSING_FAILURE, + /* Internal */ + PFT_CMD_RESP_MAX_INDEX +}; + +/** + * struct pft_command_response - response structure + * + * @command_id - see enum pft_command_response_code + * @error_codee - see enum pft_command_response_code + */ +struct pft_command_response { + __u32 command_id; + __u32 error_code; +}; + +/** + * struct pft_command - pft command + * + * @opcode - see enum pft_command_opcode. + * @set_state.state - see enum pft_state. + * @update_app_list.count - number of items in the + * registered applications list. + * @update_app_list.table - registered applications array + * @preform_in_place_file_enc.file_descriptor - file descriptor + * of the opened file to be in-placed encrypted. + */ +struct pft_command { + __u32 opcode; + union { + struct { + /* @see pft_state */ + __u32 state; + } set_state; + struct { + __u32 items_count; /* number of items */ + uid_t table[0]; /* array of UIDs */ + } update_app_list; + struct { + __u32 file_descriptor; + } preform_in_place_file_enc; + }; +}; + +#endif /* MSM_PFT_H_ */ |