583 lines
16 KiB
C
Executable File
583 lines
16 KiB
C
Executable File
/*
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* Copyright (C) 2011 Samsung Electronics.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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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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*/
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#ifndef __MODEM_UTILS_H__
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#define __MODEM_UTILS_H__
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#include <linux/rbtree.h>
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#include "modem_prj.h"
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#include "link_device_memory.h"
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#define MIF_TAG "mif"
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#define IS_CONNECTED(iod, ld) ((iod)->link_types & LINKTYPE((ld)->link_type))
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#define MAX_MIF_BUFF_SIZE 0x80000 /* 512kb */
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#define MAX_MIF_SEPA_SIZE 32
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#define MIF_SEPARATOR "IPC_LOGGER(VER1.1)"
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#define MIF_SEPARATOR_DPRAM "DPRAM_LOGGER(VER1.1)"
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#define MAX_IPC_SKB_SIZE 4096
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#define MAX_LOG_SIZE 64
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#define MIF_TAG "mif"
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#define MAX_LOG_CNT (MAX_MIF_BUFF_SIZE / MAX_LOG_SIZE)
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#define MIF_ID_SIZE sizeof(enum mif_log_id)
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#define MAX_IPC_LOG_SIZE \
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(MAX_LOG_SIZE - sizeof(enum mif_log_id) \
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- sizeof(unsigned long long) - sizeof(size_t))
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#define MAX_IRQ_LOG_SIZE \
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(MAX_LOG_SIZE - sizeof(enum mif_log_id) \
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- sizeof(unsigned long long) - sizeof(struct mif_irq_map))
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#define MAX_COM_LOG_SIZE \
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(MAX_LOG_SIZE - sizeof(enum mif_log_id) \
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- sizeof(unsigned long long))
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#define MAX_TIM_LOG_SIZE \
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(MAX_LOG_SIZE - sizeof(enum mif_log_id) \
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- sizeof(unsigned long long) - sizeof(struct timespec))
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enum mif_log_id {
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MIF_IPC_RL2AP = 1,
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MIF_IPC_AP2CP,
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MIF_IPC_CP2AP,
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MIF_IPC_AP2RL,
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MIF_IRQ,
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MIF_COM,
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MIF_TIME
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};
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struct mif_irq_map {
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u16 magic;
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u16 access;
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u16 fmt_tx_in;
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u16 fmt_tx_out;
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u16 fmt_rx_in;
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u16 fmt_rx_out;
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u16 raw_tx_in;
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u16 raw_tx_out;
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u16 raw_rx_in;
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u16 raw_rx_out;
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u16 cp2ap;
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};
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struct mif_ipc_block {
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enum mif_log_id id;
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unsigned long long time;
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size_t len;
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char buff[MAX_IPC_LOG_SIZE];
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};
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struct mif_irq_block {
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enum mif_log_id id;
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unsigned long long time;
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struct mif_irq_map map;
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char buff[MAX_IRQ_LOG_SIZE];
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};
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struct mif_common_block {
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enum mif_log_id id;
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unsigned long long time;
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char buff[MAX_COM_LOG_SIZE];
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};
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struct mif_time_block {
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enum mif_log_id id;
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unsigned long long time;
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struct timespec epoch;
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char buff[MAX_TIM_LOG_SIZE];
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};
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enum ipc_layer {
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LINK,
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IODEV,
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APP,
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MAX_SIPC_LAYER
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};
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static const char * const sipc_layer_string[] = {
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[LINK] = "LNK",
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[IODEV] = "IOD",
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[APP] = "APP",
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[MAX_SIPC_LAYER] = "INVALID"
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};
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static const inline char *layer_str(enum ipc_layer layer)
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{
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if (unlikely(layer >= MAX_SIPC_LAYER))
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return "INVALID";
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else
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return sipc_layer_string[layer];
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}
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static const char * const dev_format_string[] = {
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[IPC_FMT] = "FMT",
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[IPC_RAW] = "RAW",
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[IPC_RFS] = "RFS",
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[IPC_MULTI_RAW] = "MULTI_RAW",
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[IPC_BOOT] = "BOOT",
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[IPC_DUMP] = "DUMP",
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[IPC_CMD] = "CMD",
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[IPC_DEBUG] = "DEBUG",
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};
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static const inline char *dev_str(enum dev_format dev)
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{
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if (unlikely(dev >= MAX_DEV_FORMAT))
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return "INVALID";
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else
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return dev_format_string[dev];
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}
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static inline enum direction opposite(enum direction dir)
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{
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return (dir == TX) ? RX : TX;
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}
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static const char * const direction_string[] = {
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[TX] = "TX",
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[RX] = "RX"
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};
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static const inline char *dir_str(enum direction dir)
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{
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if (unlikely(dir >= MAX_DIR))
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return "INVALID";
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else
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return direction_string[dir];
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}
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static const char * const udl_string[] = {
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[UL] = "UL",
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[DL] = "DL"
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};
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static const inline char *udl_str(enum direction dir)
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{
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if (unlikely(dir >= ULDL))
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return "INVALID";
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else
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return udl_string[dir];
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}
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static const char * const q_direction_string[] = {
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[TX] = "TXQ",
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[RX] = "RXQ"
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};
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static const inline char *q_dir(enum direction dir)
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{
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if (unlikely(dir >= MAX_DIR))
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return "INVALID";
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else
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return q_direction_string[dir];
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}
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static const char * const ipc_direction_string[] = {
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[TX] = "AP->CP",
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[RX] = "AP<-CP"
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};
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static const inline char *ipc_dir(enum direction dir)
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{
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if (unlikely(dir >= MAX_DIR))
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return "INVALID";
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else
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return ipc_direction_string[dir];
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}
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static const char * const arrow_direction[] = {
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[TX] = "->",
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[RX] = "<-"
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};
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static const inline char *arrow(enum direction dir)
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{
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if (unlikely(dir >= MAX_DIR))
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return "><";
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else
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return arrow_direction[dir];
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}
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static const char * const modem_state_string[] = {
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[STATE_OFFLINE] = "OFFLINE",
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[STATE_CRASH_RESET] = "CRASH_RESET",
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[STATE_CRASH_EXIT] = "CRASH_EXIT",
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[STATE_BOOTING] = "BOOTING",
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[STATE_ONLINE] = "ONLINE",
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[STATE_NV_REBUILDING] = "NV_REBUILDING",
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[STATE_LOADER_DONE] = "LOADER_DONE",
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[STATE_SIM_ATTACH] = "SIM_ATTACH",
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[STATE_SIM_DETACH] = "SIM_DETACH",
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[STATE_CRASH_WATCHDOG] = "WDT_RESET",
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};
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static const inline char *cp_state_str(enum modem_state state)
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{
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return modem_state_string[state];
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}
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static const inline char *mc_state(struct modem_ctl *mc)
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{
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return cp_state_str(mc->phone_state);
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}
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struct __packed utc_time {
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u32 year:18,
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mon:4,
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day:5,
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hour:5;
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u32 min:6,
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sec:6,
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us:20;
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};
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/* {Hour, Minute, Second, U(micro)-second} format */
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#define HMSU_FMT "[%02d:%02d:%02d.%06d]"
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static inline unsigned long ns2us(unsigned long ns)
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{
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return (ns > 0) ? (ns / 1000) : 0;
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}
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static inline unsigned long ns2ms(unsigned long ns)
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{
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return (ns > 0) ? (ns / 1000000) : 0;
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}
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static inline unsigned long us2ms(unsigned long us)
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{
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return (us > 0) ? (us / 1000) : 0;
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}
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static inline unsigned long ms2us(unsigned long ms)
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{
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return ms * 1E3L;
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}
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static inline unsigned long ms2ns(unsigned long ms)
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{
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return ms * 1E6L;
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}
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void get_utc_time(struct utc_time *utc);
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static inline unsigned int calc_offset(void *target, void *base)
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{
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return (unsigned long)target - (unsigned long)base;
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}
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int mif_dump_log(struct modem_shared *, struct io_device *);
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#define mif_irq_log(msd, map, data, len) \
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_mif_irq_log(MIF_IRQ, msd, map, data, len)
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#define mif_com_log(msd, format, ...) \
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_mif_com_log(MIF_COM, msd, pr_fmt(format), ##__VA_ARGS__)
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#define mif_time_log(msd, epoch, data, len) \
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_mif_time_log(MIF_TIME, msd, epoch, data, len)
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void mif_ipc_log(enum mif_log_id,
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struct modem_shared *, const char *, size_t);
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void _mif_irq_log(enum mif_log_id,
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struct modem_shared *, struct mif_irq_map, const char *, size_t);
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void _mif_com_log(enum mif_log_id,
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struct modem_shared *, const char *, ...);
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void _mif_time_log(enum mif_log_id,
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struct modem_shared *, struct timespec, const char *, size_t);
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static inline struct link_device *find_linkdev(struct modem_shared *msd,
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enum modem_link link_type)
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{
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struct link_device *ld;
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list_for_each_entry(ld, &msd->link_dev_list, list) {
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if (ld->link_type == link_type)
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return ld;
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}
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return NULL;
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}
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static inline unsigned int count_bits(unsigned int n)
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{
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unsigned int i;
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for (i = 0; n != 0; i++)
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n &= (n - 1);
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return i;
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}
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static inline bool count_flood(int cnt, int mask)
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{
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return (cnt > 0 && (cnt & mask) == 0) ? true : false;
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}
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void mif_pkt(u8 ch, const char *tag, struct sk_buff *skb);
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/* print buffer as hex string */
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int pr_buffer(const char *tag, const char *data, size_t data_len,
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size_t max_len);
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/* print a sk_buff as hex string */
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#define pr_skb(tag, skb) \
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pr_buffer(tag, (char *)((skb)->data), (size_t)((skb)->len), (size_t)16)
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/* print a urb as hex string */
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#define pr_urb(tag, urb) \
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pr_buffer(tag, (char *)((urb)->transfer_buffer), \
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(size_t)((urb)->actual_length), (size_t)16)
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/* Stop/wake all TX queues in network interfaces */
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void stop_net_iface(struct link_device *ld, unsigned int channel);
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void resume_net_iface(struct link_device *ld, unsigned int channel);
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void stop_net_ifaces(struct link_device *ld);
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void resume_net_ifaces(struct link_device *ld);
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/* flow control CMD from CP, it use in serial devices */
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int link_rx_flowctl_cmd(struct link_device *ld, const char *data, size_t len);
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/* Get an IO device */
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struct io_device *get_iod_with_format(struct modem_shared *msd,
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enum dev_format format);
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static inline struct io_device *link_get_iod_with_format(
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struct link_device *ld, enum dev_format format)
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{
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struct io_device *iod = get_iod_with_format(ld->msd, format);
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return (iod && IS_CONNECTED(iod, ld)) ? iod : NULL;
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}
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static inline struct io_device *get_iod_with_channel(
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struct modem_shared *msd, unsigned int channel)
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{
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return msd->ch2iod[channel];
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}
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static inline struct io_device *link_get_iod_with_channel(
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struct link_device *ld, unsigned int channel)
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{
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struct io_device *iod = get_iod_with_channel(ld->msd, channel);
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struct mem_link_device *mld = ld->mdm_data->mld;
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if (!iod && atomic_read(&mld->cp_boot_done))
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mif_err("No IOD matches channel (%d)\n", channel);
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return (iod && IS_CONNECTED(iod, ld)) ? iod : NULL;
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}
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/* insert iod to tree functions */
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struct io_device *insert_iod_with_format(struct modem_shared *msd,
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enum dev_format format, struct io_device *iod);
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void insert_iod_with_channel(struct modem_shared *msd, unsigned int channel,
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struct io_device *iod);
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/* iodev for each */
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typedef void (*action_fn)(struct io_device *iod, void *args);
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void iodevs_for_each(struct modem_shared *msd, action_fn action, void *args);
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/* netif wake/stop queue of iod */
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void iodev_netif_wake(struct io_device *iod, void *args);
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void iodev_netif_stop(struct io_device *iod, void *args);
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/* netif wake/stop queue of iod having activated ndev */
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void netif_tx_flowctl(struct modem_shared *msd, bool tx_stop);
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/* change tx_link of raw devices */
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void rawdevs_set_tx_link(struct modem_shared *msd, enum modem_link link_type);
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__be32 ipv4str_to_be32(const char *ipv4str, size_t count);
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void mif_add_timer(struct timer_list *timer, unsigned long expire,
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void (*function)(unsigned long), unsigned long data);
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/* debug helper functions for sipc4, sipc5 */
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void mif_print_data(const u8 *data, int len);
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void mif_dump2format16(const u8 *data, int len, char *buff, char *tag);
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void mif_dump2format4(const u8 *data, int len, char *buff, char *tag);
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void mif_print_dump(const u8 *data, int len, int width);
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/*---------------------------------------------------------------------------
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IPv4 Header Format
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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|Version| IHL |Type of Service| Total Length |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| Identification |C|D|M| Fragment Offset |
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| |E|F|F| |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| Time to Live | Protocol | Header Checksum |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| Source Address |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| Destination Address |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| Options | Padding |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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IHL - Header Length
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Flags - Consist of 3 bits
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The 1st bit is "Congestion" bit.
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The 2nd bit is "Dont Fragment" bit.
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The 3rd bit is "More Fragments" bit.
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---------------------------------------------------------------------------*/
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#define IPV4_HDR_SIZE 20
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/*-------------------------------------------------------------------------
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TCP Header Format
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| Source Port | Destination Port |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| Sequence Number |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| Acknowledgment Number |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| Data | |C|E|U|A|P|R|S|F| |
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| Offset| Rsvd |W|C|R|C|S|S|Y|I| Window |
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| | |R|E|G|K|H|T|N|N| |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| Checksum | Urgent Pointer |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| Options | Padding |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| data |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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-------------------------------------------------------------------------*/
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#define TCP_HDR_SIZE 20
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/*-------------------------------------------------------------------------
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UDP Header Format
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| Source Port | Destination Port |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| Length | Checksum |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| data |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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-------------------------------------------------------------------------*/
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#define UDP_HDR_SIZE 8
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void print_ipv4_packet(const u8 *ip_pkt, enum direction dir);
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bool is_dns_packet(const u8 *ip_pkt);
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bool is_syn_packet(const u8 *ip_pkt);
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void mif_init_irq(struct modem_irq *irq, unsigned int num, const char *name,
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unsigned long flags);
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int mif_request_irq(struct modem_irq *irq, irq_handler_t isr, void *data);
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void mif_enable_irq(struct modem_irq *irq);
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void mif_disable_irq(struct modem_irq *irq);
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void mif_disable_irq_sync(struct modem_irq *irq);
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struct file *mif_open_file(const char *path);
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void mif_save_file(struct file *fp, const char *buff, size_t size);
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void mif_close_file(struct file *fp);
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int board_gpio_export(struct device *dev,
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unsigned gpio, bool dir, const char *name);
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void make_gpio_floating(unsigned int gpio, bool floating);
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#ifdef CONFIG_ARGOS
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/* kernel team needs to provide argos header file. !!!
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* As of now, there's nothing to use. */
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#ifdef CONFIG_SCHED_HMP
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extern struct cpumask hmp_slow_cpu_mask;
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extern struct cpumask hmp_fast_cpu_mask;
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#endif
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|
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|
int argos_irq_affinity_setup_label(unsigned int irq, const char *label,
|
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struct cpumask *affinity_cpu_mask,
|
|
struct cpumask *default_cpu_mask);
|
|
int argos_task_affinity_setup_label(struct task_struct *p, const char *label,
|
|
struct cpumask *affinity_cpu_mask,
|
|
struct cpumask *default_cpu_mask);
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|
#endif
|
|
|
|
void mif_set_snapshot(bool enable);
|
|
void set_wakeup_packet_log(bool enable);
|
|
|
|
/* MIF buffer management */
|
|
|
|
/* Printout debuggin message for MIF buffer */
|
|
//#define MIF_BUFF_DEBUG
|
|
|
|
/*
|
|
IP packet : 2048
|
|
sizeof(struct skb_shared_info): 512
|
|
2048 + 512 = 2560 (0xA00)
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|
*/
|
|
#define MIF_BUFF_DEFAULT_CELL_SIZE (2048 + 512)
|
|
#define MIF_BUFF_MAP_CELL_SIZE (sizeof(uint64_t))
|
|
#define MIF_BITS_FOR_BYTE (8)
|
|
#define MIF_BITS_FOR_MAP_CELL (MIF_BUFF_MAP_CELL_SIZE * MIF_BITS_FOR_BYTE)
|
|
#define MIF_64BIT_FIRST_BIT (0x8000000000000000ULL)
|
|
|
|
struct mif_buff_mng {
|
|
unsigned char *buffer_start;
|
|
unsigned char *buffer_end;
|
|
unsigned int buffer_size;
|
|
unsigned int cell_size;
|
|
|
|
unsigned int cell_count;
|
|
unsigned int used_cell_count;
|
|
unsigned int free_cell_count;
|
|
|
|
spinlock_t lock;
|
|
|
|
uint64_t *buffer_map;
|
|
unsigned int buffer_map_size;
|
|
int current_map_index;
|
|
};
|
|
|
|
struct mif_buff_mng *init_mif_buff_mng(unsigned char *buffer_start,
|
|
unsigned int buffer_size, unsigned int cell_size);
|
|
void exit_mif_buff_mng(struct mif_buff_mng *bm);
|
|
void *alloc_mif_buff(struct mif_buff_mng *bm);
|
|
int free_mif_buff(struct mif_buff_mng *bm, void *buffer);
|
|
|
|
static inline unsigned int get_mif_buff_free_count(struct mif_buff_mng *bm)
|
|
{
|
|
if (bm)
|
|
return bm->free_cell_count;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
static inline unsigned int get_mif_buff_used_count(struct mif_buff_mng *bm)
|
|
{
|
|
if (bm)
|
|
return bm->used_cell_count;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
extern struct mif_buff_mng *g_mif_buff_mng;
|
|
int security_request_cp_ram_logging(void);
|
|
void set_dflags(unsigned long flag);
|
|
|
|
|
|
#endif/*__MODEM_UTILS_H__*/
|