diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/uapi/linux/spcom.h | 42 |
1 files changed, 32 insertions, 10 deletions
diff --git a/include/uapi/linux/spcom.h b/include/uapi/linux/spcom.h index cdb229bf6e13..038a49d5ee57 100644 --- a/include/uapi/linux/spcom.h +++ b/include/uapi/linux/spcom.h @@ -1,4 +1,4 @@ -/* Copyright (c) 2015, The Linux Foundation. All rights reserved. +/* Copyright (c) 2015-2016, 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 @@ -17,6 +17,9 @@ #ifndef BIT #define BIT(x) (1 << x) #endif +#ifndef PAGE_SIZE + #define PAGE_SIZE 4096 +#endif /** * @brief - Secure Processor Communication interface to user space spcomlib. @@ -43,6 +46,9 @@ enum spcom_cmd_id { SPCOM_CMD_LOAD_APP = 0x4C4F4144, /* "LOAD" = 0x4C4F4144 */ SPCOM_CMD_RESET_SP = 0x52455354, /* "REST" = 0x52455354 */ SPCOM_CMD_SEND = 0x53454E44, /* "SEND" = 0x53454E44 */ + SPCOM_CMD_SEND_MODIFIED = 0x534E444D, /* "SNDM" = 0x534E444D */ + SPCOM_CMD_LOCK_ION_BUF = 0x4C4F434B, /* "LOCK" = 0x4C4F434B */ + SPCOM_CMD_UNLOCK_ION_BUF = 0x554C434B, /* "ULCK" = 0x4C4F434B */ SPCOM_CMD_FSSR = 0x46535352, /* "FSSR" = 0x46535352 */ SPCOM_CMD_CREATE_CHANNEL = 0x43524554, /* "CRET" = 0x43524554 */ }; @@ -65,15 +71,6 @@ struct spcom_user_command { uint32_t arg; } __packed; -/* Command structure between userspace spcomlib and spcom driver, on write() */ -struct spcom_user_load_app_command { - enum spcom_cmd_id cmd_id; - char ch_name[SPCOM_CHANNEL_NAME_SIZE]; - uint32_t app_image_size; - char *app_buf_ptr; - uint32_t app_buf_size; -} __packed; - /* Command structure between User Space and spcom driver, on write() */ struct spcom_send_command { enum spcom_cmd_id cmd_id; @@ -88,4 +85,29 @@ struct spcom_user_create_channel_command { char ch_name[SPCOM_CHANNEL_NAME_SIZE]; } __packed; +/* maximum ION buf for send-modfied-command */ +#define SPCOM_MAX_ION_BUF 4 + +struct spcom_ion_info { + int32_t fd; /* ION buffer File Descriptor, set -1 for invalid fd */ + uint32_t buf_offset; /* virtual address offset in request/response */ +}; + +/* Pass this FD to unlock all ION buffer for the specific channel */ +#define SPCOM_ION_FD_UNLOCK_ALL 0xFFFF + +struct spcom_ion_handle { + int32_t fd; /* File Descriptor associated with the buffer */ +}; + +/* Command structure between User Space and spcom driver, on write() */ +struct spcom_user_send_modified_command { + enum spcom_cmd_id cmd_id; + struct spcom_ion_info ion_info[SPCOM_MAX_ION_BUF]; + uint32_t timeout_msec; + uint32_t buf_size; + char buf[0]; /* Variable buffer size - must be last field */ +} __packed; + + #endif /* _UAPI_SPCOM_H_ */ |