1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _SPCOM_H_ 20 #define _SPCOM_H_ 21 #include <linux/types.h> 22 #ifndef BIT 23 #define BIT(x) (1 << x) 24 #endif 25 #ifndef PAGE_SIZE 26 #define PAGE_SIZE 4096 27 #endif 28 #define SPCOM_MAX_CHANNELS 0x20 29 #define SPCOM_CHANNEL_NAME_SIZE 32 30 #define SPCOM_GET_NEXT_REQUEST_SIZE (PAGE_SIZE - 1) 31 enum spcom_cmd_id { 32 SPCOM_CMD_LOAD_APP = 0x4C4F4144, 33 SPCOM_CMD_RESET_SP = 0x52455354, 34 SPCOM_CMD_SEND = 0x53454E44, 35 SPCOM_CMD_SEND_MODIFIED = 0x534E444D, 36 SPCOM_CMD_LOCK_ION_BUF = 0x4C4F434B, 37 SPCOM_CMD_UNLOCK_ION_BUF = 0x554C434B, 38 SPCOM_CMD_FSSR = 0x46535352, 39 SPCOM_CMD_CREATE_CHANNEL = 0x43524554, 40 #define SPCOM_CMD_ENABLE_SSR SPCOM_CMD_ENABLE_SSR 41 SPCOM_CMD_ENABLE_SSR = 0x45535352, 42 #define SPCOM_CMD_RESTART_SP SPCOM_CMD_RESTART_SP 43 SPCOM_CMD_RESTART_SP = 0x52535452, 44 }; 45 enum spcom_poll_events { 46 SPCOM_POLL_LINK_STATE = BIT(1), 47 SPCOM_POLL_CH_CONNECT = BIT(2), 48 SPCOM_POLL_READY_FLAG = BIT(14), 49 SPCOM_POLL_WAIT_FLAG = BIT(15), 50 }; 51 struct spcom_user_command { 52 enum spcom_cmd_id cmd_id; 53 uint32_t arg; 54 } __attribute__((packed)); 55 struct spcom_send_command { 56 enum spcom_cmd_id cmd_id; 57 uint32_t timeout_msec; 58 uint32_t buf_size; 59 char buf[0]; 60 } __attribute__((packed)); 61 struct spcom_user_create_channel_command { 62 enum spcom_cmd_id cmd_id; 63 char ch_name[SPCOM_CHANNEL_NAME_SIZE]; 64 #define SPCOM_IS_SHARABLE_SUPPORTED 65 bool is_sharable; 66 } __attribute__((packed)); 67 #define SPCOM_USER_RESTART_SP_CMD 68 struct spcom_user_restart_sp_command { 69 enum spcom_cmd_id cmd_id; 70 uint32_t arg; 71 #define SPCOM_IS_UPDATED_SUPPORETED 72 uint32_t is_updated; 73 } __attribute__((packed)); 74 #define SPCOM_MAX_ION_BUF 4 75 struct spcom_ion_info { 76 int32_t fd; 77 uint32_t buf_offset; 78 }; 79 #define SPCOM_ION_FD_UNLOCK_ALL 0xFFFF 80 struct spcom_ion_handle { 81 int32_t fd; 82 }; 83 struct spcom_user_send_modified_command { 84 enum spcom_cmd_id cmd_id; 85 struct spcom_ion_info ion_info[SPCOM_MAX_ION_BUF]; 86 uint32_t timeout_msec; 87 uint32_t buf_size; 88 char buf[0]; 89 } __attribute__((packed)); 90 enum { 91 SPCOM_IONFD_CMD, 92 SPCOM_POLL_CMD, 93 }; 94 enum spcom_poll_cmd_id { 95 SPCOM_LINK_STATE_REQ, 96 SPCOM_CH_CONN_STATE_REQ, 97 }; 98 struct spcom_poll_param { 99 bool wait; 100 enum spcom_poll_cmd_id cmd_id; 101 int retval; 102 } __attribute__((packed)); 103 #define SPCOM_IOCTL_MAGIC 'S' 104 #define SPCOM_GET_IONFD _IOR(SPCOM_IOCTL_MAGIC, SPCOM_IONFD_CMD, struct spcom_ion_handle) 105 #define SPCOM_SET_IONFD _IOW(SPCOM_IOCTL_MAGIC, SPCOM_IONFD_CMD, struct spcom_ion_handle) 106 #define SPCOM_POLL_STATE _IOWR(SPCOM_IOCTL_MAGIC, SPCOM_POLL_CMD, struct spcom_poll_param) 107 #endif 108