601 lines
15 KiB
C
601 lines
15 KiB
C
/* Copyright (c) 2008-2017, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef DIAGCHAR_H
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#define DIAGCHAR_H
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/mempool.h>
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#include <linux/mutex.h>
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#include <linux/list.h>
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#include <linux/spinlock.h>
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#include <linux/workqueue.h>
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#include <linux/sched.h>
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#include <linux/wakelock.h>
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#include <soc/qcom/smd.h>
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#include <asm/atomic.h>
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#include "diagfwd_bridge.h"
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/* Size of the USB buffers used for read and write*/
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#define USB_MAX_OUT_BUF 4096
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#define APPS_BUF_SIZE 4096
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#define IN_BUF_SIZE 16384
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#define MAX_SYNC_OBJ_NAME_SIZE 32
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#define DIAG_MAX_REQ_SIZE (16 * 1024)
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#define DIAG_MAX_RSP_SIZE (16 * 1024)
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#define APF_DIAG_PADDING 256
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/*
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* In the worst case, the HDLC buffer can be atmost twice the size of the
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* original packet. Add 3 bytes for 16 bit CRC (2 bytes) and a delimiter
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* (1 byte)
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*/
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#define DIAG_MAX_HDLC_BUF_SIZE ((DIAG_MAX_REQ_SIZE * 2) + 3)
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/* The header of callback data type has remote processor token (of type int) */
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#define CALLBACK_HDR_SIZE (sizeof(int))
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#define CALLBACK_BUF_SIZE (DIAG_MAX_REQ_SIZE + CALLBACK_HDR_SIZE)
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#define MAX_SSID_PER_RANGE 200
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#define ALL_PROC -1
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#define REMOTE_DATA 4
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#define USER_SPACE_DATA 16384
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#define DIAG_CTRL_MSG_LOG_MASK 9
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#define DIAG_CTRL_MSG_EVENT_MASK 10
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#define DIAG_CTRL_MSG_F3_MASK 11
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#define CONTROL_CHAR 0x7E
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#define DIAG_CON_APSS (0x0001) /* Bit mask for APSS */
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#define DIAG_CON_MPSS (0x0002) /* Bit mask for MPSS */
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#define DIAG_CON_LPASS (0x0004) /* Bit mask for LPASS */
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#define DIAG_CON_WCNSS (0x0008) /* Bit mask for WCNSS */
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#define DIAG_CON_SENSORS (0x0010) /* Bit mask for Sensors */
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#define DIAG_STM_MODEM 0x01
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#define DIAG_STM_LPASS 0x02
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#define DIAG_STM_WCNSS 0x04
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#define DIAG_STM_APPS 0x08
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#define DIAG_STM_SENSORS 0x10
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#define INVALID_PID -1
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#define DIAG_CMD_FOUND 1
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#define DIAG_CMD_NOT_FOUND 0
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#define DIAG_CMD_POLLING 1
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#define DIAG_CMD_NOT_POLLING 0
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#define DIAG_CMD_ADD 1
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#define DIAG_CMD_REMOVE 0
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#define DIAG_CMD_VERSION 0
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#define DIAG_CMD_ERROR 0x13
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#define DIAG_CMD_DOWNLOAD 0x3A
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#define DIAG_CMD_DIAG_SUBSYS 0x4B
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#define DIAG_CMD_LOG_CONFIG 0x73
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#define DIAG_CMD_LOG_ON_DMND 0x78
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#define DIAG_CMD_EXT_BUILD 0x7c
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#define DIAG_CMD_MSG_CONFIG 0x7D
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#define DIAG_CMD_GET_EVENT_MASK 0x81
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#define DIAG_CMD_SET_EVENT_MASK 0x82
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#define DIAG_CMD_EVENT_TOGGLE 0x60
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#define DIAG_CMD_NO_SUBSYS 0xFF
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#define DIAG_CMD_STATUS 0x0C
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#define DIAG_SS_WCDMA 0x04
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#define DIAG_CMD_QUERY_CALL 0x0E
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#define DIAG_SS_GSM 0x08
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#define DIAG_CMD_QUERY_TMC 0x02
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#define DIAG_SS_TDSCDMA 0x57
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#define DIAG_CMD_TDSCDMA_STATUS 0x0E
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#define DIAG_CMD_DIAG_SUBSYS_DELAY 0x80
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#define DIAG_SS_DIAG 0x12
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#define DIAG_SS_PARAMS 0x32
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#define DIAG_SS_FILE_READ_MODEM 0x0816
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#define DIAG_SS_FILE_READ_ADSP 0x0E10
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#define DIAG_SS_FILE_READ_WCNSS 0x141F
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#define DIAG_SS_FILE_READ_SLPI 0x01A18
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#define DIAG_SS_FILE_READ_APPS 0x020F
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#define DIAG_DIAG_MAX_PKT_SZ 0x55
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#define DIAG_DIAG_STM 0x214
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#define DIAG_DIAG_POLL 0x03
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#define DIAG_DEL_RSP_WRAP 0x04
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#define DIAG_DEL_RSP_WRAP_CNT 0x05
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#define DIAG_EXT_MOBILE_ID 0x06
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#define DIAG_GET_TIME_API 0x21B
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#define DIAG_SET_TIME_API 0x21C
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#define DIAG_CMD_OP_LOG_DISABLE 0
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#define DIAG_CMD_OP_GET_LOG_RANGE 1
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#define DIAG_CMD_OP_SET_LOG_MASK 3
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#define DIAG_CMD_OP_GET_LOG_MASK 4
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#define DIAG_CMD_OP_GET_SSID_RANGE 1
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#define DIAG_CMD_OP_GET_BUILD_MASK 2
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#define DIAG_CMD_OP_GET_MSG_MASK 3
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#define DIAG_CMD_OP_SET_MSG_MASK 4
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#define DIAG_CMD_OP_SET_ALL_MSG_MASK 5
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#define DIAG_CMD_OP_GET_MSG_ALLOC 0x33
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#define DIAG_CMD_OP_GET_MSG_DROP 0x30
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#define DIAG_CMD_OP_RESET_MSG_STATS 0x2F
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#define DIAG_CMD_OP_GET_LOG_ALLOC 0x31
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#define DIAG_CMD_OP_GET_LOG_DROP 0x2C
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#define DIAG_CMD_OP_RESET_LOG_STATS 0x2B
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#define DIAG_CMD_OP_GET_EVENT_ALLOC 0x32
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#define DIAG_CMD_OP_GET_EVENT_DROP 0x2E
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#define DIAG_CMD_OP_RESET_EVENT_STATS 0x2D
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#define DIAG_CMD_OP_HDLC_DISABLE 0x218
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#define BAD_PARAM_RESPONSE_MESSAGE 20
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#define PERSIST_TIME_SUCCESS 0
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#define PERSIST_TIME_FAILURE 1
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#define PERSIST_TIME_NOT_SUPPORTED 2
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#define MODE_CMD 41
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#define RESET_ID 2
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#define PKT_DROP 0
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#define PKT_ALLOC 1
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#define PKT_RESET 2
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#define FEATURE_MASK_LEN 2
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/*
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* The status bit masks when received in a signal handler are to be
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* used in conjunction with the peripheral list bit mask to determine the
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* status for a peripheral. For instance, 0x00010002 would denote an open
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* status on the MPSS
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*/
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#define DIAG_STATUS_OPEN (0x00010000) /* DCI channel open status mask */
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#define DIAG_STATUS_CLOSED (0x00020000) /* DCI channel closed status mask */
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#define MODE_NONREALTIME 0
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#define MODE_REALTIME 1
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#define MODE_UNKNOWN 2
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#define DIAG_BUFFERING_MODE_STREAMING 0
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#define DIAG_BUFFERING_MODE_THRESHOLD 1
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#define DIAG_BUFFERING_MODE_CIRCULAR 2
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#define DIAG_MIN_WM_VAL 0
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#define DIAG_MAX_WM_VAL 100
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#define DEFAULT_LOW_WM_VAL 15
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#define DEFAULT_HIGH_WM_VAL 85
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#define TYPE_DATA 0
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#define TYPE_CNTL 1
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#define TYPE_DCI 2
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#define TYPE_CMD 3
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#define TYPE_DCI_CMD 4
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#define NUM_TYPES 5
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#define PERIPHERAL_MODEM 0
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#define PERIPHERAL_LPASS 1
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#define PERIPHERAL_WCNSS 2
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#define PERIPHERAL_SENSORS 3
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#define NUM_PERIPHERALS 4
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#define APPS_DATA (NUM_PERIPHERALS)
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/*
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* Number of stm processors includes all the peripherals and
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* apps.Added 1 below to indicate apps
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*/
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#define NUM_STM_PROCESSORS (NUM_PERIPHERALS + 1)
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/*
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* Indicates number of peripherals that can support DCI and Apps
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* processor. This doesn't mean that a peripheral has the
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* feature.
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*/
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#define NUM_DCI_PERIPHERALS (NUM_PERIPHERALS + 1)
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#define DIAG_PROC_DCI 1
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#define DIAG_PROC_MEMORY_DEVICE 2
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/* Flags to vote the DCI or Memory device process up or down
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when it becomes active or inactive */
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#define VOTE_DOWN 0
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#define VOTE_UP 1
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#define DIAG_TS_SIZE 50
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#define DIAG_MDM_BUF_SIZE 2048
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/* The Maximum request size is 2k + DCI header + footer (6 bytes) */
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#define DIAG_MDM_DCI_BUF_SIZE (2048 + 6)
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#define DIAG_LOCAL_PROC 0
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#ifndef CONFIG_DIAGFWD_BRIDGE_CODE
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/* Local Processor only */
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#define DIAG_NUM_PROC 1
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#else
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/* Local Processor + Remote Devices */
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#define DIAG_NUM_PROC (1 + NUM_REMOTE_DEV)
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#endif
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#define DIAG_WS_DCI 0
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#define DIAG_WS_MUX 1
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#define DIAG_DATA_TYPE 1
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#define DIAG_CNTL_TYPE 2
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#define DIAG_DCI_TYPE 3
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/* List of remote processor supported */
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enum remote_procs {
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MDM = 1,
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MDM2 = 2,
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QSC = 5,
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};
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struct diag_pkt_header_t {
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uint8_t cmd_code;
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uint8_t subsys_id;
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uint16_t subsys_cmd_code;
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} __packed;
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struct diag_cmd_ext_mobile_rsp_t {
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struct diag_pkt_header_t header;
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uint8_t version;
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uint8_t padding[3];
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uint32_t family;
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uint32_t chip_id;
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} __packed;
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struct diag_cmd_time_sync_query_req_t {
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struct diag_pkt_header_t header;
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uint8_t version;
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};
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struct diag_cmd_time_sync_query_rsp_t {
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struct diag_pkt_header_t header;
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uint8_t version;
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uint8_t time_api;
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};
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struct diag_cmd_time_sync_switch_req_t {
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struct diag_pkt_header_t header;
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uint8_t version;
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uint8_t time_api;
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uint8_t persist_time;
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};
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struct diag_cmd_time_sync_switch_rsp_t {
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struct diag_pkt_header_t header;
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uint8_t version;
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uint8_t time_api;
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uint8_t time_api_status;
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uint8_t persist_time_status;
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};
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struct diag_cmd_reg_entry_t {
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uint16_t cmd_code;
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uint16_t subsys_id;
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uint16_t cmd_code_lo;
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uint16_t cmd_code_hi;
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} __packed;
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struct diag_cmd_reg_t {
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struct list_head link;
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struct diag_cmd_reg_entry_t entry;
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uint8_t proc;
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int pid;
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};
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/*
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* @sync_obj_name: name of the synchronization object associated with this proc
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* @count: number of entries in the bind
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* @entries: the actual packet registrations
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*/
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struct diag_cmd_reg_tbl_t {
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char sync_obj_name[MAX_SYNC_OBJ_NAME_SIZE];
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uint32_t count;
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struct diag_cmd_reg_entry_t *entries;
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};
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struct diag_client_map {
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char name[20];
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int pid;
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};
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struct real_time_vote_t {
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int client_id;
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uint16_t proc;
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uint8_t real_time_vote;
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} __packed;
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struct real_time_query_t {
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int real_time;
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int proc;
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} __packed;
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struct diag_buffering_mode_t {
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uint8_t peripheral;
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uint8_t mode;
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uint8_t high_wm_val;
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uint8_t low_wm_val;
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} __packed;
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struct diag_callback_reg_t {
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int proc;
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} __packed;
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struct diag_ws_ref_t {
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int ref_count;
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int copy_count;
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spinlock_t lock;
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};
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/* This structure is defined in USB header file */
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#ifndef CONFIG_DIAG_OVER_USB
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struct diag_request {
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char *buf;
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int length;
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int actual;
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int status;
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void *context;
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};
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#endif
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struct diag_pkt_stats_t {
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uint32_t alloc_count;
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uint32_t drop_count;
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};
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struct diag_cmd_stats_rsp_t {
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struct diag_pkt_header_t header;
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uint32_t payload;
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};
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struct diag_cmd_hdlc_disable_rsp_t {
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struct diag_pkt_header_t header;
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uint8_t framing_version;
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uint8_t result;
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};
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struct diag_pkt_frame_t {
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uint8_t start;
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uint8_t version;
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uint16_t length;
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};
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struct diag_partial_pkt_t {
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uint32_t total_len;
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uint32_t read_len;
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uint32_t remaining;
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uint32_t capacity;
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uint8_t processing;
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unsigned char *data;
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} __packed;
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/*
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* High level structure for storing Diag masks.
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*
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* @ptr: Pointer to the buffer that stores the masks
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* @mask_len: Length of the buffer pointed by ptr
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* @update_buf: Buffer for performing mask updates to peripherals
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* @update_buf_len: Length of the buffer pointed by buf
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* @status: status of the mask - all enable, disabled, valid
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* @lock: To protect access to the mask variables
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*/
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struct diag_mask_info {
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uint8_t *ptr;
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int mask_len;
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uint8_t *update_buf;
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int update_buf_len;
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uint8_t status;
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struct mutex lock;
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};
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struct diag_md_proc_info {
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int pid;
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struct task_struct *socket_process;
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struct task_struct *callback_process;
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struct task_struct *mdlog_process;
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struct task_struct *uart_process;
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};
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struct diag_feature_t {
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uint8_t feature_mask[FEATURE_MASK_LEN];
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uint8_t rcvd_feature_mask;
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uint8_t log_on_demand;
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uint8_t separate_cmd_rsp;
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uint8_t encode_hdlc;
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uint8_t peripheral_buffering;
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uint8_t mask_centralization;
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uint8_t stm_support;
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uint8_t sockets_enabled;
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uint8_t sent_feature_mask;
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};
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struct diagchar_dev {
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/* State for the char driver */
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unsigned int major;
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unsigned int minor_start;
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int num;
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struct cdev *cdev;
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char *name;
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struct class *diagchar_class;
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struct device *diag_dev;
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int ref_count;
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int mask_clear;
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struct mutex diag_maskclear_mutex;
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struct mutex diagchar_mutex;
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struct mutex diag_file_mutex;
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wait_queue_head_t wait_q;
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struct diag_client_map *client_map;
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int *data_ready;
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int num_clients;
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int polling_reg_flag;
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int use_device_tree;
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int supports_separate_cmdrsp;
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int supports_apps_hdlc_encoding;
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int supports_sockets;
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/* The state requested in the STM command */
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int stm_state_requested[NUM_STM_PROCESSORS];
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/* The current STM state */
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int stm_state[NUM_STM_PROCESSORS];
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uint16_t stm_peripheral;
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struct work_struct stm_update_work;
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uint16_t mask_update;
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struct work_struct mask_update_work;
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uint16_t close_transport;
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struct work_struct close_transport_work;
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struct workqueue_struct *cntl_wq;
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struct mutex cntl_lock;
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/* Whether or not the peripheral supports STM */
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/* Delayed response Variables */
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uint16_t delayed_rsp_id;
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struct mutex delayed_rsp_mutex;
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/* DCI related variables */
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struct list_head dci_req_list;
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struct list_head dci_client_list;
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int dci_tag;
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int dci_client_id;
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struct mutex dci_mutex;
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int num_dci_client;
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unsigned char *apps_dci_buf;
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int dci_state;
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struct workqueue_struct *diag_dci_wq;
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struct list_head cmd_reg_list;
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struct mutex cmd_reg_mutex;
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uint32_t cmd_reg_count;
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struct mutex diagfwd_channel_mutex;
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/* Sizes that reflect memory pool sizes */
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unsigned int poolsize;
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unsigned int poolsize_hdlc;
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unsigned int poolsize_dci;
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unsigned int poolsize_user;
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/* Buffers for masks */
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struct mutex diag_cntl_mutex;
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/* Members for Sending response */
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unsigned char *encoded_rsp_buf;
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int encoded_rsp_len;
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uint8_t rsp_buf_busy;
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spinlock_t rsp_buf_busy_lock;
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int rsp_buf_ctxt;
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struct diagfwd_info *diagfwd_data[NUM_PERIPHERALS];
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struct diagfwd_info *diagfwd_cntl[NUM_PERIPHERALS];
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struct diagfwd_info *diagfwd_dci[NUM_PERIPHERALS];
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struct diagfwd_info *diagfwd_cmd[NUM_PERIPHERALS];
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struct diagfwd_info *diagfwd_dci_cmd[NUM_PERIPHERALS];
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struct diag_feature_t feature[NUM_PERIPHERALS];
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struct diag_buffering_mode_t buffering_mode[NUM_PERIPHERALS];
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struct mutex mode_lock;
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unsigned char *user_space_data_buf;
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uint8_t user_space_data_busy;
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struct diag_pkt_stats_t msg_stats;
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struct diag_pkt_stats_t log_stats;
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struct diag_pkt_stats_t event_stats;
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/* buffer for updating mask to peripherals */
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unsigned char *buf_feature_mask_update;
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uint8_t hdlc_disabled;
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struct mutex hdlc_disable_mutex;
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struct mutex hdlc_recovery_mutex;
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struct timer_list hdlc_reset_timer;
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struct mutex diag_hdlc_mutex;
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unsigned char *hdlc_buf;
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uint32_t hdlc_buf_len;
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unsigned char *apps_rsp_buf;
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struct diag_partial_pkt_t incoming_pkt;
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int in_busy_pktdata;
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/* Variables for non real time mode */
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int real_time_mode[DIAG_NUM_PROC];
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int real_time_update_busy;
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uint16_t proc_active_mask;
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uint16_t proc_rt_vote_mask[DIAG_NUM_PROC];
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struct mutex real_time_mutex;
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struct work_struct diag_real_time_work;
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struct workqueue_struct *diag_real_time_wq;
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#ifdef CONFIG_DIAG_OVER_USB
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int usb_connected;
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#endif
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struct workqueue_struct *diag_wq;
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struct work_struct diag_drain_work;
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struct work_struct update_user_clients;
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struct workqueue_struct *diag_cntl_wq;
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|
uint8_t log_on_demand_support;
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|
uint8_t *apps_req_buf;
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|
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 mask_check;
|
|
struct diag_md_proc_info md_proc[DIAG_NUM_PROC];
|
|
/* pid for diag_mdlog(CP silent log app) */
|
|
struct pid *silent_log_pid;
|
|
/* 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;
|
|
};
|
|
|
|
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);
|
|
void diag_clear_masks(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);
|
|
|
|
void diag_record_stats(int type, int flag);
|
|
|
|
#endif
|