| /**************************************************************************** |
| **************************************************************************** |
| *** |
| *** This header was automatically generated from a Linux kernel header |
| *** of the same name, to make information necessary for userspace to |
| *** call into the kernel available to libc. It contains only constants, |
| *** structures, and macros generated from the original header, and thus, |
| *** contains no copyrightable information. |
| *** |
| *** To edit the content of this header, modify the corresponding |
| *** source file (e.g. under external/kernel-headers/original/) then |
| *** run bionic/libc/kernel/tools/update_all.py |
| *** |
| *** Any manual change here will be lost the next time this script will |
| *** be run. You've been warned! |
| *** |
| **************************************************************************** |
| ****************************************************************************/ |
| #ifndef _SPCOM_H_ |
| #define _SPCOM_H_ |
| #include <linux/types.h> |
| #ifndef BIT |
| #define BIT(x) (1 << x) |
| #endif |
| #ifndef PAGE_SIZE |
| #define PAGE_SIZE 4096 |
| #endif |
| #define SPCOM_MAX_CHANNELS 0x20 |
| #define SPCOM_CHANNEL_NAME_SIZE 32 |
| #define SPCOM_GET_NEXT_REQUEST_SIZE (PAGE_SIZE - 1) |
| enum spcom_cmd_id { |
| SPCOM_CMD_LOAD_APP = 0x4C4F4144, |
| SPCOM_CMD_RESET_SP = 0x52455354, |
| SPCOM_CMD_SEND = 0x53454E44, |
| SPCOM_CMD_SEND_MODIFIED = 0x534E444D, |
| SPCOM_CMD_LOCK_ION_BUF = 0x4C4F434B, |
| SPCOM_CMD_UNLOCK_ION_BUF = 0x554C434B, |
| SPCOM_CMD_FSSR = 0x46535352, |
| SPCOM_CMD_CREATE_CHANNEL = 0x43524554, |
| #define SPCOM_CMD_ENABLE_SSR SPCOM_CMD_ENABLE_SSR |
| SPCOM_CMD_ENABLE_SSR = 0x45535352, |
| #define SPCOM_CMD_RESTART_SP SPCOM_CMD_RESTART_SP |
| SPCOM_CMD_RESTART_SP = 0x52535452, |
| }; |
| enum spcom_poll_events { |
| SPCOM_POLL_LINK_STATE = BIT(1), |
| SPCOM_POLL_CH_CONNECT = BIT(2), |
| SPCOM_POLL_READY_FLAG = BIT(14), |
| SPCOM_POLL_WAIT_FLAG = BIT(15), |
| }; |
| struct spcom_user_command { |
| enum spcom_cmd_id cmd_id; |
| uint32_t arg; |
| } __attribute__((packed)); |
| struct spcom_send_command { |
| enum spcom_cmd_id cmd_id; |
| uint32_t timeout_msec; |
| uint32_t buf_size; |
| char buf[0]; |
| } __attribute__((packed)); |
| struct spcom_user_create_channel_command { |
| enum spcom_cmd_id cmd_id; |
| char ch_name[SPCOM_CHANNEL_NAME_SIZE]; |
| #define SPCOM_IS_SHARABLE_SUPPORTED |
| bool is_sharable; |
| } __attribute__((packed)); |
| #define SPCOM_USER_RESTART_SP_CMD |
| struct spcom_user_restart_sp_command { |
| enum spcom_cmd_id cmd_id; |
| uint32_t arg; |
| #define SPCOM_IS_UPDATED_SUPPORETED |
| uint32_t is_updated; |
| } __attribute__((packed)); |
| #define SPCOM_MAX_ION_BUF 4 |
| struct spcom_ion_info { |
| int32_t fd; |
| uint32_t buf_offset; |
| }; |
| #define SPCOM_ION_FD_UNLOCK_ALL 0xFFFF |
| struct spcom_ion_handle { |
| int32_t fd; |
| }; |
| 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]; |
| } __attribute__((packed)); |
| enum { |
| SPCOM_IONFD_CMD, |
| SPCOM_POLL_CMD, |
| }; |
| enum spcom_poll_cmd_id { |
| SPCOM_LINK_STATE_REQ, |
| SPCOM_CH_CONN_STATE_REQ, |
| }; |
| struct spcom_poll_param { |
| bool wait; |
| enum spcom_poll_cmd_id cmd_id; |
| int retval; |
| } __attribute__((packed)); |
| #define SPCOM_IOCTL_MAGIC 'S' |
| #define SPCOM_GET_IONFD _IOR(SPCOM_IOCTL_MAGIC, SPCOM_IONFD_CMD, struct spcom_ion_handle) |
| #define SPCOM_SET_IONFD _IOW(SPCOM_IOCTL_MAGIC, SPCOM_IONFD_CMD, struct spcom_ion_handle) |
| #define SPCOM_POLL_STATE _IOWR(SPCOM_IOCTL_MAGIC, SPCOM_POLL_CMD, struct spcom_poll_param) |
| #endif |