/* Copyright (c) 2008-2018, 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 DIAGCHAR_H #define DIAGCHAR_H #include #include #include #include #include #include #include #include #include #include #include #include "diagfwd_bridge.h" /* Size of the USB buffers used for read and write*/ #define USB_MAX_OUT_BUF 4096 #define APPS_BUF_SIZE 4096 #define IN_BUF_SIZE 16384 #define MAX_SYNC_OBJ_NAME_SIZE 32 #define DIAG_MAX_REQ_SIZE (16 * 1024) #define DIAG_MAX_RSP_SIZE (16 * 1024) #define APF_DIAG_PADDING 256 /* * In the worst case, the HDLC buffer can be atmost twice the size of the * original packet. Add 3 bytes for 16 bit CRC (2 bytes) and a delimiter * (1 byte) */ #define DIAG_MAX_HDLC_BUF_SIZE ((DIAG_MAX_REQ_SIZE * 2) + 3) /* The header of callback data type has remote processor token (of type int) */ #define CALLBACK_HDR_SIZE (sizeof(int)) #define CALLBACK_BUF_SIZE (DIAG_MAX_REQ_SIZE + CALLBACK_HDR_SIZE) #define MAX_SSID_PER_RANGE 200 #define ALL_PROC -1 #define REMOTE_DATA 4 #define USER_SPACE_DATA 16384 #define DIAG_CTRL_MSG_LOG_MASK 9 #define DIAG_CTRL_MSG_EVENT_MASK 10 #define DIAG_CTRL_MSG_F3_MASK 11 #define CONTROL_CHAR 0x7E #define DIAG_CON_APSS (0x0001) /* Bit mask for APSS */ #define DIAG_CON_MPSS (0x0002) /* Bit mask for MPSS */ #define DIAG_CON_LPASS (0x0004) /* Bit mask for LPASS */ #define DIAG_CON_WCNSS (0x0008) /* Bit mask for WCNSS */ #define DIAG_CON_SENSORS (0x0010) /* Bit mask for Sensors */ #define DIAG_CON_NONE (0x0000) /* Bit mask for No SS*/ #define DIAG_CON_ALL (DIAG_CON_APSS | DIAG_CON_MPSS \ | DIAG_CON_LPASS | DIAG_CON_WCNSS \ | DIAG_CON_SENSORS) #define DIAG_STM_MODEM 0x01 #define DIAG_STM_LPASS 0x02 #define DIAG_STM_WCNSS 0x04 #define DIAG_STM_APPS 0x08 #define DIAG_STM_SENSORS 0x10 #define INVALID_PID -1 #define DIAG_CMD_FOUND 1 #define DIAG_CMD_NOT_FOUND 0 #define DIAG_CMD_POLLING 1 #define DIAG_CMD_NOT_POLLING 0 #define DIAG_CMD_ADD 1 #define DIAG_CMD_REMOVE 0 #define DIAG_CMD_VERSION 0 #define DIAG_CMD_ERROR 0x13 #define DIAG_CMD_DOWNLOAD 0x3A #define DIAG_CMD_DIAG_SUBSYS 0x4B #define DIAG_CMD_LOG_CONFIG 0x73 #define DIAG_CMD_LOG_ON_DMND 0x78 #define DIAG_CMD_EXT_BUILD 0x7c #define DIAG_CMD_MSG_CONFIG 0x7D #define DIAG_CMD_GET_EVENT_MASK 0x81 #define DIAG_CMD_SET_EVENT_MASK 0x82 #define DIAG_CMD_EVENT_TOGGLE 0x60 #define DIAG_CMD_NO_SUBSYS 0xFF #define DIAG_CMD_STATUS 0x0C #define DIAG_SS_WCDMA 0x04 #define DIAG_CMD_QUERY_CALL 0x0E #define DIAG_SS_GSM 0x08 #define DIAG_CMD_QUERY_TMC 0x02 #define DIAG_SS_TDSCDMA 0x57 #define DIAG_CMD_TDSCDMA_STATUS 0x0E #define DIAG_CMD_DIAG_SUBSYS_DELAY 0x80 #define DIAG_SS_DIAG 0x12 #define DIAG_SS_PARAMS 0x32 #define DIAG_SS_FILE_READ_MODEM 0x0816 #define DIAG_SS_FILE_READ_ADSP 0x0E10 #define DIAG_SS_FILE_READ_WCNSS 0x141F #define DIAG_SS_FILE_READ_SLPI 0x01A18 #define DIAG_SS_FILE_READ_APPS 0x020F #define DIAG_DIAG_MAX_PKT_SZ 0x55 #define DIAG_DIAG_STM 0x214 #define DIAG_DIAG_POLL 0x03 #define DIAG_DEL_RSP_WRAP 0x04 #define DIAG_DEL_RSP_WRAP_CNT 0x05 #define DIAG_EXT_MOBILE_ID 0x06 #define DIAG_GET_TIME_API 0x21B #define DIAG_SET_TIME_API 0x21C #define DIAG_SWITCH_COMMAND 0x081B #define DIAG_BUFFERING_MODE 0x080C #define DIAG_CMD_OP_LOG_DISABLE 0 #define DIAG_CMD_OP_GET_LOG_RANGE 1 #define DIAG_CMD_OP_SET_LOG_MASK 3 #define DIAG_CMD_OP_GET_LOG_MASK 4 #define DIAG_CMD_OP_GET_SSID_RANGE 1 #define DIAG_CMD_OP_GET_BUILD_MASK 2 #define DIAG_CMD_OP_GET_MSG_MASK 3 #define DIAG_CMD_OP_SET_MSG_MASK 4 #define DIAG_CMD_OP_SET_ALL_MSG_MASK 5 #define DIAG_CMD_OP_GET_MSG_ALLOC 0x33 #define DIAG_CMD_OP_GET_MSG_DROP 0x30 #define DIAG_CMD_OP_RESET_MSG_STATS 0x2F #define DIAG_CMD_OP_GET_LOG_ALLOC 0x31 #define DIAG_CMD_OP_GET_LOG_DROP 0x2C #define DIAG_CMD_OP_RESET_LOG_STATS 0x2B #define DIAG_CMD_OP_GET_EVENT_ALLOC 0x32 #define DIAG_CMD_OP_GET_EVENT_DROP 0x2E #define DIAG_CMD_OP_RESET_EVENT_STATS 0x2D #define DIAG_CMD_OP_HDLC_DISABLE 0x218 #define BAD_PARAM_RESPONSE_MESSAGE 20 #define PERSIST_TIME_SUCCESS 0 #define PERSIST_TIME_FAILURE 1 #define PERSIST_TIME_NOT_SUPPORTED 2 #define MODE_CMD 41 #define RESET_ID 2 #define PKT_DROP 0 #define PKT_ALLOC 1 #define PKT_RESET 2 #define FEATURE_MASK_LEN 2 #define DIAG_MD_NONE 0 #define DIAG_MD_PERIPHERAL 1 /* * The status bit masks when received in a signal handler are to be * used in conjunction with the peripheral list bit mask to determine the * status for a peripheral. For instance, 0x00010002 would denote an open * status on the MPSS */ #define DIAG_STATUS_OPEN (0x00010000) /* DCI channel open status mask */ #define DIAG_STATUS_CLOSED (0x00020000) /* DCI channel closed status mask */ #define MODE_NONREALTIME 0 #define MODE_REALTIME 1 #define MODE_UNKNOWN 2 #define DIAG_BUFFERING_MODE_STREAMING 0 #define DIAG_BUFFERING_MODE_THRESHOLD 1 #define DIAG_BUFFERING_MODE_CIRCULAR 2 #define DIAG_MIN_WM_VAL 0 #define DIAG_MAX_WM_VAL 100 #define DEFAULT_LOW_WM_VAL 15 #define DEFAULT_HIGH_WM_VAL 85 #define TYPE_DATA 0 #define TYPE_CNTL 1 #define TYPE_DCI 2 #define TYPE_CMD 3 #define TYPE_DCI_CMD 4 #define NUM_TYPES 5 #define PERIPHERAL_MODEM 0 #define PERIPHERAL_LPASS 1 #define PERIPHERAL_WCNSS 2 #define PERIPHERAL_SENSORS 3 #define NUM_PERIPHERALS 4 #define APPS_DATA (NUM_PERIPHERALS) /* Number of sessions possible in Memory Device Mode. +1 for Apps data */ #define NUM_MD_SESSIONS (NUM_PERIPHERALS + 1) #define MD_PERIPHERAL_MASK(x) (1 << x) /* * Number of stm processors includes all the peripherals and * apps.Added 1 below to indicate apps */ #define NUM_STM_PROCESSORS (NUM_PERIPHERALS + 1) /* * Indicates number of peripherals that can support DCI and Apps * processor. This doesn't mean that a peripheral has the * feature. */ #define NUM_DCI_PERIPHERALS (NUM_PERIPHERALS + 1) #define DIAG_PROC_DCI 1 #define DIAG_PROC_MEMORY_DEVICE 2 /* Flags to vote the DCI or Memory device process up or down when it becomes active or inactive */ #define VOTE_DOWN 0 #define VOTE_UP 1 #define DIAG_TS_SIZE 50 #define DIAG_MDM_BUF_SIZE 2048 /* The Maximum request size is 2k + DCI header + footer (6 bytes) */ #define DIAG_MDM_DCI_BUF_SIZE (2048 + 6) #define DIAG_LOCAL_PROC 0 #ifndef CONFIG_DIAGFWD_BRIDGE_CODE /* Local Processor only */ #define DIAG_NUM_PROC 1 #else /* Local Processor + Remote Devices */ #define DIAG_NUM_PROC (1 + NUM_REMOTE_DEV) #endif #define DIAG_WS_DCI 0 #define DIAG_WS_MUX 1 #define DIAG_DATA_TYPE 1 #define DIAG_CNTL_TYPE 2 #define DIAG_DCI_TYPE 3 /* List of remote processor supported */ enum remote_procs { MDM = 1, MDM2 = 2, QSC = 5, }; struct diag_pkt_header_t { uint8_t cmd_code; uint8_t subsys_id; uint16_t subsys_cmd_code; } __packed; struct diag_cmd_ext_mobile_rsp_t { struct diag_pkt_header_t header; uint8_t version; uint8_t padding[3]; uint32_t family; uint32_t chip_id; } __packed; struct diag_cmd_time_sync_query_req_t { struct diag_pkt_header_t header; uint8_t version; }; struct diag_cmd_time_sync_query_rsp_t { struct diag_pkt_header_t header; uint8_t version; uint8_t time_api; }; struct diag_cmd_time_sync_switch_req_t { struct diag_pkt_header_t header; uint8_t version; uint8_t time_api; uint8_t persist_time; }; struct diag_cmd_time_sync_switch_rsp_t { struct diag_pkt_header_t header; uint8_t version; uint8_t time_api; uint8_t time_api_status; uint8_t persist_time_status; }; struct diag_cmd_reg_entry_t { uint16_t cmd_code; uint16_t subsys_id; uint16_t cmd_code_lo; uint16_t cmd_code_hi; } __packed; struct diag_cmd_reg_t { struct list_head link; struct diag_cmd_reg_entry_t entry; uint8_t proc; int pid; }; /* * @sync_obj_name: name of the synchronization object associated with this proc * @count: number of entries in the bind * @entries: the actual packet registrations */ struct diag_cmd_reg_tbl_t { char sync_obj_name[MAX_SYNC_OBJ_NAME_SIZE]; uint32_t count; struct diag_cmd_reg_entry_t *entries; }; struct diag_client_map { char name[20]; int pid; }; struct real_time_vote_t { int client_id; uint16_t proc; uint8_t real_time_vote; } __packed; struct real_time_query_t { int real_time; int proc; } __packed; struct diag_buffering_mode_t { uint8_t peripheral; uint8_t mode; uint8_t high_wm_val; uint8_t low_wm_val; } __packed; struct diag_callback_reg_t { int proc; } __packed; struct diag_ws_ref_t { int ref_count; int copy_count; spinlock_t lock; }; /* This structure is defined in USB header file */ #ifndef CONFIG_DIAG_OVER_USB struct diag_request { char *buf; int length; int actual; int status; void *context; }; #endif struct diag_pkt_stats_t { uint32_t alloc_count; uint32_t drop_count; }; struct diag_cmd_stats_rsp_t { struct diag_pkt_header_t header; uint32_t payload; }; struct diag_cmd_hdlc_disable_rsp_t { struct diag_pkt_header_t header; uint8_t framing_version; uint8_t result; }; struct diag_pkt_frame_t { uint8_t start; uint8_t version; uint16_t length; }; struct diag_partial_pkt_t { uint32_t total_len; uint32_t read_len; uint32_t remaining; uint32_t capacity; uint8_t processing; unsigned char *data; } __packed; struct diag_logging_mode_param_t { uint32_t req_mode; uint32_t peripheral_mask; uint8_t mode_param; } __packed; struct diag_con_all_param_t { uint32_t diag_con_all; uint32_t num_peripherals; }; struct diag_md_session_t { int pid; int peripheral_mask; uint8_t hdlc_disabled; uint8_t msg_mask_tbl_count; struct timer_list hdlc_reset_timer; struct diag_mask_info *msg_mask; struct diag_mask_info *log_mask; struct diag_mask_info *event_mask; struct task_struct *task; }; /* * High level structure for storing Diag masks. * * @ptr: Pointer to the buffer that stores the masks * @mask_len: Length of the buffer pointed by ptr * @update_buf: Buffer for performing mask updates to peripherals * @update_buf_len: Length of the buffer pointed by buf * @status: status of the mask - all enable, disabled, valid * @lock: To protect access to the mask variables */ struct diag_mask_info { uint8_t *ptr; int mask_len; uint8_t *update_buf; int update_buf_len; uint8_t status; struct mutex lock; }; struct diag_md_proc_info { int pid; struct task_struct *socket_process; struct task_struct *callback_process; struct task_struct *mdlog_process; }; struct diag_feature_t { uint8_t feature_mask[FEATURE_MASK_LEN]; uint8_t rcvd_feature_mask; uint8_t log_on_demand; uint8_t separate_cmd_rsp; uint8_t encode_hdlc; uint8_t peripheral_buffering; uint8_t mask_centralization; uint8_t stm_support; uint8_t sockets_enabled; uint8_t sent_feature_mask; }; struct diagchar_dev { /* State for the char driver */ unsigned int major; unsigned int minor_start; int num; struct cdev *cdev; char *name; struct class *diagchar_class; struct device *diag_dev; int ref_count; int mask_clear; struct mutex diag_maskclear_mutex; struct mutex diag_notifier_mutex; struct mutex diagchar_mutex; struct mutex diag_file_mutex; wait_queue_head_t wait_q; struct diag_client_map *client_map; int *data_ready; int num_clients; int polling_reg_flag; int use_device_tree; int supports_separate_cmdrsp; int supports_apps_hdlc_encoding; int supports_sockets; /* The state requested in the STM command */ int stm_state_requested[NUM_STM_PROCESSORS]; /* The current STM state */ int stm_state[NUM_STM_PROCESSORS]; uint16_t stm_peripheral; struct work_struct stm_update_work; uint16_t mask_update; struct work_struct mask_update_work; uint16_t close_transport; struct work_struct close_transport_work; struct workqueue_struct *cntl_wq; struct mutex cntl_lock; /* Whether or not the peripheral supports STM */ /* Delayed response Variables */ uint16_t delayed_rsp_id; struct mutex delayed_rsp_mutex; /* DCI related variables */ struct list_head dci_req_list; struct list_head dci_client_list; int dci_tag; int dci_client_id; struct mutex dci_mutex; int num_dci_client; unsigned char *apps_dci_buf; int dci_state; struct workqueue_struct *diag_dci_wq; struct list_head cmd_reg_list; struct mutex cmd_reg_mutex; uint32_t cmd_reg_count; struct mutex diagfwd_channel_mutex[NUM_PERIPHERALS]; /* Sizes that reflect memory pool sizes */ unsigned int poolsize; unsigned int poolsize_hdlc; unsigned int poolsize_dci; unsigned int poolsize_user; /* Buffers for masks */ struct mutex diag_cntl_mutex; /* Members for Sending response */ unsigned char *encoded_rsp_buf; int encoded_rsp_len; uint8_t rsp_buf_busy; spinlock_t rsp_buf_busy_lock; int rsp_buf_ctxt; struct diagfwd_info *diagfwd_data[NUM_PERIPHERALS]; struct diagfwd_info *diagfwd_cntl[NUM_PERIPHERALS]; struct diagfwd_info *diagfwd_dci[NUM_PERIPHERALS]; struct diagfwd_info *diagfwd_cmd[NUM_PERIPHERALS]; struct diagfwd_info *diagfwd_dci_cmd[NUM_PERIPHERALS]; struct diag_feature_t feature[NUM_PERIPHERALS]; struct diag_buffering_mode_t buffering_mode[NUM_PERIPHERALS]; uint8_t buffering_flag[NUM_PERIPHERALS]; struct mutex mode_lock; unsigned char *user_space_data_buf; uint8_t user_space_data_busy; struct diag_pkt_stats_t msg_stats; struct diag_pkt_stats_t log_stats; struct diag_pkt_stats_t event_stats; /* buffer for updating mask to peripherals */ unsigned char *buf_feature_mask_update; uint8_t hdlc_disabled; struct mutex hdlc_disable_mutex; struct mutex hdlc_recovery_mutex; struct timer_list hdlc_reset_timer; struct mutex diag_hdlc_mutex; unsigned char *hdlc_buf; uint32_t hdlc_buf_len; unsigned char *apps_rsp_buf; struct diag_partial_pkt_t incoming_pkt; int in_busy_pktdata; /* Variables for non real time mode */ int real_time_mode[DIAG_NUM_PROC]; int real_time_update_busy; uint16_t proc_active_mask; uint16_t proc_rt_vote_mask[DIAG_NUM_PROC]; struct mutex real_time_mutex; struct work_struct diag_real_time_work; struct workqueue_struct *diag_real_time_wq; #ifdef CONFIG_DIAG_OVER_USB int usb_connected; #endif struct workqueue_struct *diag_wq; struct work_struct diag_drain_work; struct work_struct update_user_clients; struct work_struct update_md_clients; struct workqueue_struct *diag_cntl_wq; uint8_t log_on_demand_support; uint8_t *apps_req_buf; uint32_t apps_req_buf_len; uint8_t *dci_pkt_buf; /* For Apps DCI packets */ uint32_t dci_pkt_length; int in_busy_dcipktdata; int logging_mode; int logging_mask; int mask_check; uint32_t md_session_mask; uint8_t md_session_mode; struct diag_md_session_t *md_session_map[NUM_MD_SESSIONS]; struct mutex md_session_lock; /* Power related variables */ struct diag_ws_ref_t dci_ws; struct diag_ws_ref_t md_ws; /* Pointers to Diag Masks */ struct diag_mask_info *msg_mask; struct diag_mask_info *log_mask; struct diag_mask_info *event_mask; struct diag_mask_info *build_time_mask; uint8_t msg_mask_tbl_count; uint8_t bt_msg_mask_tbl_count; uint16_t event_mask_size; uint16_t last_event_id; struct mutex msg_mask_lock; /* Variables for Mask Centralization */ uint16_t num_event_id[NUM_PERIPHERALS]; uint32_t num_equip_id[NUM_PERIPHERALS]; uint32_t max_ssid_count[NUM_PERIPHERALS]; #ifdef CONFIG_DIAGFWD_BRIDGE_CODE /* For sending command requests in callback mode */ unsigned char *hdlc_encode_buf; int hdlc_encode_buf_len; #endif int time_sync_enabled; uint8_t uses_time_api; struct platform_device *pdev; }; extern struct diagchar_dev *driver; extern int wrap_enabled; extern uint16_t wrap_count; void diag_get_timestamp(char *time_str); void check_drain_timer(void); int diag_get_remote(int remote_info); void diag_ws_init(void); void diag_ws_on_notify(void); void diag_ws_on_read(int type, int pkt_len); void diag_ws_on_copy(int type); void diag_ws_on_copy_fail(int type); void diag_ws_on_copy_complete(int type); void diag_ws_reset(int type); void diag_ws_release(void); void chk_logging_wakeup(void); int diag_cmd_add_reg(struct diag_cmd_reg_entry_t *new_entry, uint8_t proc, int pid); struct diag_cmd_reg_entry_t *diag_cmd_search( struct diag_cmd_reg_entry_t *entry, int proc); void diag_cmd_remove_reg(struct diag_cmd_reg_entry_t *entry, uint8_t proc); void diag_cmd_remove_reg_by_pid(int pid); void diag_cmd_remove_reg_by_proc(int proc); int diag_cmd_chk_polling(struct diag_cmd_reg_entry_t *entry); int diag_mask_param(void); void diag_clear_masks(int pid); void diag_record_stats(int type, int flag); struct diag_md_session_t *diag_md_session_get_pid(int pid); struct diag_md_session_t *diag_md_session_get_peripheral(uint8_t peripheral); #endif