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1 /****************************************************************************** |
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2 * |
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3 * $Id$ |
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4 * |
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5 * Copyright (C) 2006-2012 Florian Pose, Ingenieurgemeinschaft IgH |
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6 * |
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7 * This file is part of the IgH EtherCAT Master. |
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8 * |
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9 * The IgH EtherCAT Master is free software; you can redistribute it and/or |
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10 * modify it under the terms of the GNU General Public License version 2, as |
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11 * published by the Free Software Foundation. |
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12 * |
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13 * The IgH EtherCAT Master is distributed in the hope that it will be useful, |
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14 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
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16 * Public License for more details. |
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17 * |
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18 * You should have received a copy of the GNU General Public License along |
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19 * with the IgH EtherCAT Master; if not, write to the Free Software |
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20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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21 * |
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22 * --- |
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23 * |
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24 * The license mentioned above concerns the source code only. Using the |
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25 * EtherCAT technology and brand is only permitted in compliance with the |
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26 * industrial property and similar rights of Beckhoff Automation GmbH. |
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27 * |
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28 *****************************************************************************/ |
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29 |
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30 /** |
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31 \file |
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32 EtherCAT master character device. |
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33 */ |
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34 |
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35 /*****************************************************************************/ |
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36 |
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37 #include <linux/module.h> |
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38 |
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39 #include "master.h" |
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40 #include "slave_config.h" |
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41 #include "voe_handler.h" |
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42 #include "ethernet.h" |
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43 #include "ioctl.h" |
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44 |
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45 /** Set to 1 to enable ioctl() latency tracing. |
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46 * |
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47 * Requires CPU timestamp counter! |
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48 */ |
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49 #define DEBUG_LATENCY 0 |
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50 |
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51 /*****************************************************************************/ |
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52 |
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53 /** Copies a string to an ioctl structure. |
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54 */ |
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55 static void ec_ioctl_strcpy( |
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56 char *target, /**< Target. */ |
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57 const char *source /**< Source. */ |
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58 ) |
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59 { |
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60 if (source) { |
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61 strncpy(target, source, EC_IOCTL_STRING_SIZE); |
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62 target[EC_IOCTL_STRING_SIZE - 1] = 0; |
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63 } else { |
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64 target[0] = 0; |
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65 } |
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66 } |
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67 |
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68 /*****************************************************************************/ |
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69 |
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70 /** Get module information. |
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71 */ |
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72 static int ec_ioctl_module( |
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73 void *arg /**< Userspace address to store the results. */ |
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74 ) |
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75 { |
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76 ec_ioctl_module_t data; |
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77 |
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78 data.ioctl_version_magic = EC_IOCTL_VERSION_MAGIC; |
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79 data.master_count = ec_master_count(); |
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80 |
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81 if (copy_to_user((void __user *) arg, &data, sizeof(data))) |
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82 return -EFAULT; |
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83 |
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84 return 0; |
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85 } |
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86 |
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87 /*****************************************************************************/ |
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88 |
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89 /** Get master information. |
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90 */ |
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91 static int ec_ioctl_master( |
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92 ec_master_t *master, /**< EtherCAT master. */ |
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93 void *arg /**< Userspace address to store the results. */ |
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94 ) |
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95 { |
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96 ec_ioctl_master_t data; |
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97 unsigned int i, j; |
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98 |
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99 if (down_interruptible(&master->master_sem)) |
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100 return -EINTR; |
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101 |
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102 data.slave_count = master->slave_count; |
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103 data.config_count = ec_master_config_count(master); |
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104 data.domain_count = ec_master_domain_count(master); |
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105 #ifdef EC_EOE |
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106 data.eoe_handler_count = ec_master_eoe_handler_count(master); |
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107 #endif |
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108 data.phase = (uint8_t) master->phase; |
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109 data.active = (uint8_t) master->active; |
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110 data.scan_busy = master->scan_busy; |
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111 |
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112 up(&master->master_sem); |
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113 |
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114 if (down_interruptible(&master->device_sem)) |
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115 return -EINTR; |
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116 |
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117 for (i = 0; i < EC_NUM_DEVICES; i++) { |
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118 ec_device_t *device = &master->devices[i]; |
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119 |
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120 if (device->dev) { |
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121 memcpy(data.devices[i].address, |
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122 device->dev->dev_addr, ETH_ALEN); |
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123 } else { |
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124 memcpy(data.devices[i].address, master->macs[i], ETH_ALEN); |
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125 } |
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126 data.devices[i].attached = device->dev ? 1 : 0; |
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127 data.devices[i].link_state = device->link_state ? 1 : 0; |
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128 data.devices[i].tx_count = device->tx_count; |
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129 data.devices[i].rx_count = device->rx_count; |
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130 data.devices[i].tx_bytes = device->tx_bytes; |
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131 data.devices[i].rx_bytes = device->rx_bytes; |
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132 data.devices[i].tx_errors = device->tx_errors; |
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133 for (j = 0; j < EC_RATE_COUNT; j++) { |
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134 data.devices[i].tx_frame_rates[j] = |
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135 device->tx_frame_rates[j]; |
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136 data.devices[i].rx_frame_rates[j] = |
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137 device->rx_frame_rates[j]; |
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138 data.devices[i].tx_byte_rates[j] = |
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139 device->tx_byte_rates[j]; |
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140 data.devices[i].rx_byte_rates[j] = |
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141 device->rx_byte_rates[j]; |
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142 } |
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143 } |
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144 |
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145 data.tx_count = master->device_stats.tx_count; |
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146 data.rx_count = master->device_stats.rx_count; |
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147 data.tx_bytes = master->device_stats.tx_bytes; |
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148 data.rx_bytes = master->device_stats.rx_bytes; |
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149 for (i = 0; i < EC_RATE_COUNT; i++) { |
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150 data.tx_frame_rates[i] = |
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151 master->device_stats.tx_frame_rates[i]; |
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152 data.rx_frame_rates[i] = |
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153 master->device_stats.rx_frame_rates[i]; |
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154 data.tx_byte_rates[i] = |
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155 master->device_stats.tx_byte_rates[i]; |
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156 data.rx_byte_rates[i] = |
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157 master->device_stats.rx_byte_rates[i]; |
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158 data.loss_rates[i] = |
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159 master->device_stats.loss_rates[i]; |
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160 } |
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161 |
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162 up(&master->device_sem); |
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163 |
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164 data.app_time = master->app_time; |
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165 data.ref_clock = |
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166 master->dc_ref_clock ? master->dc_ref_clock->ring_position : 0xffff; |
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167 |
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168 if (copy_to_user((void __user *) arg, &data, sizeof(data))) |
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169 return -EFAULT; |
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170 |
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171 return 0; |
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172 } |
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173 |
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174 /*****************************************************************************/ |
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175 |
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176 /** Get slave information. |
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177 */ |
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178 static int ec_ioctl_slave( |
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179 ec_master_t *master, /**< EtherCAT master. */ |
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180 void *arg /**< Userspace address to store the results. */ |
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181 ) |
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182 { |
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183 ec_ioctl_slave_t data; |
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184 const ec_slave_t *slave; |
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185 int i; |
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186 |
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187 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) { |
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188 return -EFAULT; |
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189 } |
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190 |
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191 if (down_interruptible(&master->master_sem)) |
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192 return -EINTR; |
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193 |
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194 if (!(slave = ec_master_find_slave_const( |
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195 master, 0, data.position))) { |
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196 up(&master->master_sem); |
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197 EC_MASTER_ERR(master, "Slave %u does not exist!\n", data.position); |
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198 return -EINVAL; |
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199 } |
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200 |
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201 data.device_index = slave->device_index; |
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202 data.vendor_id = slave->sii.vendor_id; |
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203 data.product_code = slave->sii.product_code; |
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204 data.revision_number = slave->sii.revision_number; |
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205 data.serial_number = slave->sii.serial_number; |
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206 data.alias = slave->effective_alias; |
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207 data.boot_rx_mailbox_offset = slave->sii.boot_rx_mailbox_offset; |
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208 data.boot_rx_mailbox_size = slave->sii.boot_rx_mailbox_size; |
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209 data.boot_tx_mailbox_offset = slave->sii.boot_tx_mailbox_offset; |
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210 data.boot_tx_mailbox_size = slave->sii.boot_tx_mailbox_size; |
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211 data.std_rx_mailbox_offset = slave->sii.std_rx_mailbox_offset; |
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212 data.std_rx_mailbox_size = slave->sii.std_rx_mailbox_size; |
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213 data.std_tx_mailbox_offset = slave->sii.std_tx_mailbox_offset; |
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214 data.std_tx_mailbox_size = slave->sii.std_tx_mailbox_size; |
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215 data.mailbox_protocols = slave->sii.mailbox_protocols; |
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216 data.has_general_category = slave->sii.has_general; |
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217 data.coe_details = slave->sii.coe_details; |
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218 data.general_flags = slave->sii.general_flags; |
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219 data.current_on_ebus = slave->sii.current_on_ebus; |
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220 for (i = 0; i < EC_MAX_PORTS; i++) { |
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221 data.ports[i].desc = slave->ports[i].desc; |
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222 data.ports[i].link.link_up = slave->ports[i].link.link_up; |
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223 data.ports[i].link.loop_closed = slave->ports[i].link.loop_closed; |
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224 data.ports[i].link.signal_detected = |
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225 slave->ports[i].link.signal_detected; |
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226 data.ports[i].receive_time = slave->ports[i].receive_time; |
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227 if (slave->ports[i].next_slave) { |
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228 data.ports[i].next_slave = |
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229 slave->ports[i].next_slave->ring_position; |
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230 } else { |
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231 data.ports[i].next_slave = 0xffff; |
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232 } |
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233 data.ports[i].delay_to_next_dc = slave->ports[i].delay_to_next_dc; |
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234 } |
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235 data.fmmu_bit = slave->base_fmmu_bit_operation; |
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236 data.dc_supported = slave->base_dc_supported; |
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237 data.dc_range = slave->base_dc_range; |
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238 data.has_dc_system_time = slave->has_dc_system_time; |
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239 data.transmission_delay = slave->transmission_delay; |
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240 data.al_state = slave->current_state; |
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241 data.error_flag = slave->error_flag; |
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242 |
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243 data.sync_count = slave->sii.sync_count; |
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244 data.sdo_count = ec_slave_sdo_count(slave); |
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245 data.sii_nwords = slave->sii_nwords; |
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246 ec_ioctl_strcpy(data.group, slave->sii.group); |
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247 ec_ioctl_strcpy(data.image, slave->sii.image); |
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248 ec_ioctl_strcpy(data.order, slave->sii.order); |
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249 ec_ioctl_strcpy(data.name, slave->sii.name); |
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250 |
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251 up(&master->master_sem); |
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252 |
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253 if (copy_to_user((void __user *) arg, &data, sizeof(data))) |
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254 return -EFAULT; |
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255 |
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256 return 0; |
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257 } |
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258 |
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259 /*****************************************************************************/ |
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260 |
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261 /** Get slave sync manager information. |
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262 */ |
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263 static int ec_ioctl_slave_sync( |
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264 ec_master_t *master, /**< EtherCAT master. */ |
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265 void *arg /**< Userspace address to store the results. */ |
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266 ) |
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267 { |
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268 ec_ioctl_slave_sync_t data; |
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269 const ec_slave_t *slave; |
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270 const ec_sync_t *sync; |
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271 |
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272 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) { |
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273 return -EFAULT; |
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274 } |
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275 |
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276 if (down_interruptible(&master->master_sem)) |
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277 return -EINTR; |
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278 |
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279 if (!(slave = ec_master_find_slave_const( |
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280 master, 0, data.slave_position))) { |
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281 up(&master->master_sem); |
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282 EC_MASTER_ERR(master, "Slave %u does not exist!\n", |
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283 data.slave_position); |
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284 return -EINVAL; |
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285 } |
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286 |
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287 if (data.sync_index >= slave->sii.sync_count) { |
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288 up(&master->master_sem); |
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289 EC_SLAVE_ERR(slave, "Sync manager %u does not exist!\n", |
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290 data.sync_index); |
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291 return -EINVAL; |
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292 } |
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293 |
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294 sync = &slave->sii.syncs[data.sync_index]; |
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295 |
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296 data.physical_start_address = sync->physical_start_address; |
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297 data.default_size = sync->default_length; |
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298 data.control_register = sync->control_register; |
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299 data.enable = sync->enable; |
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300 data.pdo_count = ec_pdo_list_count(&sync->pdos); |
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301 |
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302 up(&master->master_sem); |
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303 |
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304 if (copy_to_user((void __user *) arg, &data, sizeof(data))) |
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305 return -EFAULT; |
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306 |
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307 return 0; |
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308 } |
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309 |
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310 /*****************************************************************************/ |
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311 |
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312 /** Get slave sync manager PDO information. |
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313 */ |
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314 static int ec_ioctl_slave_sync_pdo( |
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315 ec_master_t *master, /**< EtherCAT master. */ |
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316 void *arg /**< Userspace address to store the results. */ |
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317 ) |
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318 { |
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319 ec_ioctl_slave_sync_pdo_t data; |
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320 const ec_slave_t *slave; |
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321 const ec_sync_t *sync; |
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322 const ec_pdo_t *pdo; |
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323 |
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324 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) { |
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325 return -EFAULT; |
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326 } |
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327 |
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328 if (down_interruptible(&master->master_sem)) |
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329 return -EINTR; |
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330 |
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331 if (!(slave = ec_master_find_slave_const( |
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332 master, 0, data.slave_position))) { |
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333 up(&master->master_sem); |
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334 EC_MASTER_ERR(master, "Slave %u does not exist!\n", |
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335 data.slave_position); |
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336 return -EINVAL; |
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337 } |
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338 |
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339 if (data.sync_index >= slave->sii.sync_count) { |
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340 up(&master->master_sem); |
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341 EC_SLAVE_ERR(slave, "Sync manager %u does not exist!\n", |
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342 data.sync_index); |
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343 return -EINVAL; |
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344 } |
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345 |
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346 sync = &slave->sii.syncs[data.sync_index]; |
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347 if (!(pdo = ec_pdo_list_find_pdo_by_pos_const( |
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348 &sync->pdos, data.pdo_pos))) { |
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349 up(&master->master_sem); |
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350 EC_SLAVE_ERR(slave, "Sync manager %u does not contain a PDO with " |
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351 "position %u!\n", data.sync_index, data.pdo_pos); |
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352 return -EINVAL; |
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353 } |
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354 |
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355 data.index = pdo->index; |
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356 data.entry_count = ec_pdo_entry_count(pdo); |
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357 ec_ioctl_strcpy(data.name, pdo->name); |
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358 |
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359 up(&master->master_sem); |
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360 |
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361 if (copy_to_user((void __user *) arg, &data, sizeof(data))) |
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362 return -EFAULT; |
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363 |
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364 return 0; |
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365 } |
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366 |
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367 /*****************************************************************************/ |
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368 |
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369 /** Get slave sync manager PDO entry information. |
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370 */ |
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371 static int ec_ioctl_slave_sync_pdo_entry( |
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372 ec_master_t *master, /**< EtherCAT master. */ |
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373 void *arg /**< Userspace address to store the results. */ |
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374 ) |
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375 { |
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376 ec_ioctl_slave_sync_pdo_entry_t data; |
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377 const ec_slave_t *slave; |
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378 const ec_sync_t *sync; |
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379 const ec_pdo_t *pdo; |
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380 const ec_pdo_entry_t *entry; |
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381 |
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382 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) { |
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383 return -EFAULT; |
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384 } |
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385 |
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386 if (down_interruptible(&master->master_sem)) |
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387 return -EINTR; |
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388 |
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389 if (!(slave = ec_master_find_slave_const( |
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390 master, 0, data.slave_position))) { |
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391 up(&master->master_sem); |
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392 EC_MASTER_ERR(master, "Slave %u does not exist!\n", |
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393 data.slave_position); |
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394 return -EINVAL; |
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395 } |
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396 |
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397 if (data.sync_index >= slave->sii.sync_count) { |
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398 up(&master->master_sem); |
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399 EC_SLAVE_ERR(slave, "Sync manager %u does not exist!\n", |
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400 data.sync_index); |
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401 return -EINVAL; |
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402 } |
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403 |
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404 sync = &slave->sii.syncs[data.sync_index]; |
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405 if (!(pdo = ec_pdo_list_find_pdo_by_pos_const( |
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406 &sync->pdos, data.pdo_pos))) { |
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407 up(&master->master_sem); |
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408 EC_SLAVE_ERR(slave, "Sync manager %u does not contain a PDO with " |
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409 "position %u!\n", data.sync_index, data.pdo_pos); |
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410 return -EINVAL; |
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411 } |
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412 |
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413 if (!(entry = ec_pdo_find_entry_by_pos_const( |
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414 pdo, data.entry_pos))) { |
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415 up(&master->master_sem); |
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416 EC_SLAVE_ERR(slave, "PDO 0x%04X does not contain an entry with " |
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417 "position %u!\n", data.pdo_pos, data.entry_pos); |
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418 return -EINVAL; |
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419 } |
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420 |
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421 data.index = entry->index; |
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422 data.subindex = entry->subindex; |
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423 data.bit_length = entry->bit_length; |
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424 ec_ioctl_strcpy(data.name, entry->name); |
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425 |
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426 up(&master->master_sem); |
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427 |
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428 if (copy_to_user((void __user *) arg, &data, sizeof(data))) |
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429 return -EFAULT; |
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430 |
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431 return 0; |
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432 } |
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433 |
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434 /*****************************************************************************/ |
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435 |
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436 /** Get domain information. |
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437 */ |
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438 static int ec_ioctl_domain( |
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439 ec_master_t *master, /**< EtherCAT master. */ |
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440 void *arg /**< Userspace address to store the results. */ |
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441 ) |
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442 { |
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443 ec_ioctl_domain_t data; |
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444 const ec_domain_t *domain; |
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445 unsigned int dev_idx; |
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446 |
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447 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) { |
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448 return -EFAULT; |
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449 } |
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450 |
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451 if (down_interruptible(&master->master_sem)) |
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452 return -EINTR; |
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453 |
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454 if (!(domain = ec_master_find_domain_const(master, data.index))) { |
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455 up(&master->master_sem); |
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456 EC_MASTER_ERR(master, "Domain %u does not exist!\n", data.index); |
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457 return -EINVAL; |
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458 } |
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459 |
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460 data.data_size = domain->data_size; |
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461 data.logical_base_address = domain->logical_base_address; |
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462 for (dev_idx = 0; dev_idx < EC_NUM_DEVICES; dev_idx++) { |
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463 data.working_counter[dev_idx] = domain->working_counter[dev_idx]; |
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464 } |
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465 data.expected_working_counter = domain->expected_working_counter; |
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466 data.fmmu_count = ec_domain_fmmu_count(domain); |
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467 |
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468 up(&master->master_sem); |
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469 |
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470 if (copy_to_user((void __user *) arg, &data, sizeof(data))) |
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471 return -EFAULT; |
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472 |
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473 return 0; |
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474 } |
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475 |
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476 /*****************************************************************************/ |
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477 |
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478 /** Get domain FMMU information. |
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479 */ |
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480 static int ec_ioctl_domain_fmmu( |
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481 ec_master_t *master, /**< EtherCAT master. */ |
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482 void *arg /**< Userspace address to store the results. */ |
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483 ) |
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484 { |
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485 ec_ioctl_domain_fmmu_t data; |
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486 const ec_domain_t *domain; |
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487 const ec_fmmu_config_t *fmmu; |
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488 |
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489 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) { |
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490 return -EFAULT; |
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491 } |
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492 |
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493 if (down_interruptible(&master->master_sem)) |
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494 return -EINTR; |
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495 |
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496 if (!(domain = ec_master_find_domain_const(master, data.domain_index))) { |
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497 up(&master->master_sem); |
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498 EC_MASTER_ERR(master, "Domain %u does not exist!\n", |
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499 data.domain_index); |
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500 return -EINVAL; |
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501 } |
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502 |
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503 if (!(fmmu = ec_domain_find_fmmu(domain, data.fmmu_index))) { |
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504 up(&master->master_sem); |
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505 EC_MASTER_ERR(master, "Domain %u has less than %u" |
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506 " fmmu configurations.\n", |
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507 data.domain_index, data.fmmu_index + 1); |
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508 return -EINVAL; |
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509 } |
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510 |
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511 data.slave_config_alias = fmmu->sc->alias; |
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512 data.slave_config_position = fmmu->sc->position; |
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513 data.sync_index = fmmu->sync_index; |
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514 data.dir = fmmu->dir; |
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515 data.logical_address = fmmu->logical_start_address; |
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516 data.data_size = fmmu->data_size; |
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517 |
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518 up(&master->master_sem); |
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519 |
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520 if (copy_to_user((void __user *) arg, &data, sizeof(data))) |
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521 return -EFAULT; |
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522 |
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523 return 0; |
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524 } |
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525 |
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526 /*****************************************************************************/ |
|
527 |
|
528 /** Get domain data. |
|
529 */ |
|
530 static int ec_ioctl_domain_data( |
|
531 ec_master_t *master, /**< EtherCAT master. */ |
|
532 void *arg /**< Userspace address to store the results. */ |
|
533 ) |
|
534 { |
|
535 ec_ioctl_domain_data_t data; |
|
536 const ec_domain_t *domain; |
|
537 |
|
538 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) { |
|
539 return -EFAULT; |
|
540 } |
|
541 |
|
542 if (down_interruptible(&master->master_sem)) |
|
543 return -EINTR; |
|
544 |
|
545 if (!(domain = ec_master_find_domain_const(master, data.domain_index))) { |
|
546 up(&master->master_sem); |
|
547 EC_MASTER_ERR(master, "Domain %u does not exist!\n", |
|
548 data.domain_index); |
|
549 return -EINVAL; |
|
550 } |
|
551 |
|
552 if (domain->data_size != data.data_size) { |
|
553 up(&master->master_sem); |
|
554 EC_MASTER_ERR(master, "Data size mismatch %u/%zu!\n", |
|
555 data.data_size, domain->data_size); |
|
556 return -EFAULT; |
|
557 } |
|
558 |
|
559 if (copy_to_user((void __user *) data.target, domain->data, |
|
560 domain->data_size)) { |
|
561 up(&master->master_sem); |
|
562 return -EFAULT; |
|
563 } |
|
564 |
|
565 up(&master->master_sem); |
|
566 return 0; |
|
567 } |
|
568 |
|
569 /*****************************************************************************/ |
|
570 |
|
571 /** Set master debug level. |
|
572 */ |
|
573 static int ec_ioctl_master_debug( |
|
574 ec_master_t *master, /**< EtherCAT master. */ |
|
575 void *arg /**< ioctl() argument. */ |
|
576 ) |
|
577 { |
|
578 return ec_master_debug_level(master, (unsigned int) arg); |
|
579 } |
|
580 |
|
581 /*****************************************************************************/ |
|
582 |
|
583 /** Issue a bus scan. |
|
584 */ |
|
585 static int ec_ioctl_master_rescan( |
|
586 ec_master_t *master, /**< EtherCAT master. */ |
|
587 void *arg /**< ioctl() argument. */ |
|
588 ) |
|
589 { |
|
590 master->fsm.rescan_required = 1; |
|
591 return 0; |
|
592 } |
|
593 |
|
594 /*****************************************************************************/ |
|
595 |
|
596 /** Set slave state. |
|
597 */ |
|
598 static int ec_ioctl_slave_state( |
|
599 ec_master_t *master, /**< EtherCAT master. */ |
|
600 void *arg /**< ioctl() argument. */ |
|
601 ) |
|
602 { |
|
603 ec_ioctl_slave_state_t data; |
|
604 ec_slave_t *slave; |
|
605 |
|
606 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) { |
|
607 return -EFAULT; |
|
608 } |
|
609 |
|
610 if (down_interruptible(&master->master_sem)) |
|
611 return -EINTR; |
|
612 |
|
613 if (!(slave = ec_master_find_slave( |
|
614 master, 0, data.slave_position))) { |
|
615 up(&master->master_sem); |
|
616 EC_MASTER_ERR(master, "Slave %u does not exist!\n", |
|
617 data.slave_position); |
|
618 return -EINVAL; |
|
619 } |
|
620 |
|
621 ec_slave_request_state(slave, data.al_state); |
|
622 |
|
623 up(&master->master_sem); |
|
624 return 0; |
|
625 } |
|
626 |
|
627 /*****************************************************************************/ |
|
628 |
|
629 /** Get slave SDO information. |
|
630 */ |
|
631 static int ec_ioctl_slave_sdo( |
|
632 ec_master_t *master, /**< EtherCAT master. */ |
|
633 void *arg /**< ioctl() argument. */ |
|
634 ) |
|
635 { |
|
636 ec_ioctl_slave_sdo_t data; |
|
637 const ec_slave_t *slave; |
|
638 const ec_sdo_t *sdo; |
|
639 |
|
640 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) { |
|
641 return -EFAULT; |
|
642 } |
|
643 |
|
644 if (down_interruptible(&master->master_sem)) |
|
645 return -EINTR; |
|
646 |
|
647 if (!(slave = ec_master_find_slave_const( |
|
648 master, 0, data.slave_position))) { |
|
649 up(&master->master_sem); |
|
650 EC_MASTER_ERR(master, "Slave %u does not exist!\n", |
|
651 data.slave_position); |
|
652 return -EINVAL; |
|
653 } |
|
654 |
|
655 if (!(sdo = ec_slave_get_sdo_by_pos_const( |
|
656 slave, data.sdo_position))) { |
|
657 up(&master->master_sem); |
|
658 EC_SLAVE_ERR(slave, "SDO %u does not exist!\n", data.sdo_position); |
|
659 return -EINVAL; |
|
660 } |
|
661 |
|
662 data.sdo_index = sdo->index; |
|
663 data.max_subindex = sdo->max_subindex; |
|
664 ec_ioctl_strcpy(data.name, sdo->name); |
|
665 |
|
666 up(&master->master_sem); |
|
667 |
|
668 if (copy_to_user((void __user *) arg, &data, sizeof(data))) |
|
669 return -EFAULT; |
|
670 |
|
671 return 0; |
|
672 } |
|
673 |
|
674 /*****************************************************************************/ |
|
675 |
|
676 /** Get slave SDO entry information. |
|
677 */ |
|
678 static int ec_ioctl_slave_sdo_entry( |
|
679 ec_master_t *master, /**< EtherCAT master. */ |
|
680 void *arg /**< ioctl() argument. */ |
|
681 ) |
|
682 { |
|
683 ec_ioctl_slave_sdo_entry_t data; |
|
684 const ec_slave_t *slave; |
|
685 const ec_sdo_t *sdo; |
|
686 const ec_sdo_entry_t *entry; |
|
687 |
|
688 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) { |
|
689 return -EFAULT; |
|
690 } |
|
691 |
|
692 if (down_interruptible(&master->master_sem)) |
|
693 return -EINTR; |
|
694 |
|
695 if (!(slave = ec_master_find_slave_const( |
|
696 master, 0, data.slave_position))) { |
|
697 up(&master->master_sem); |
|
698 EC_MASTER_ERR(master, "Slave %u does not exist!\n", |
|
699 data.slave_position); |
|
700 return -EINVAL; |
|
701 } |
|
702 |
|
703 if (data.sdo_spec <= 0) { |
|
704 if (!(sdo = ec_slave_get_sdo_by_pos_const( |
|
705 slave, -data.sdo_spec))) { |
|
706 up(&master->master_sem); |
|
707 EC_SLAVE_ERR(slave, "SDO %u does not exist!\n", -data.sdo_spec); |
|
708 return -EINVAL; |
|
709 } |
|
710 } else { |
|
711 if (!(sdo = ec_slave_get_sdo_const( |
|
712 slave, data.sdo_spec))) { |
|
713 up(&master->master_sem); |
|
714 EC_SLAVE_ERR(slave, "SDO 0x%04X does not exist!\n", |
|
715 data.sdo_spec); |
|
716 return -EINVAL; |
|
717 } |
|
718 } |
|
719 |
|
720 if (!(entry = ec_sdo_get_entry_const( |
|
721 sdo, data.sdo_entry_subindex))) { |
|
722 up(&master->master_sem); |
|
723 EC_SLAVE_ERR(slave, "SDO entry 0x%04X:%02X does not exist!\n", |
|
724 sdo->index, data.sdo_entry_subindex); |
|
725 return -EINVAL; |
|
726 } |
|
727 |
|
728 data.data_type = entry->data_type; |
|
729 data.bit_length = entry->bit_length; |
|
730 data.read_access[EC_SDO_ENTRY_ACCESS_PREOP] = |
|
731 entry->read_access[EC_SDO_ENTRY_ACCESS_PREOP]; |
|
732 data.read_access[EC_SDO_ENTRY_ACCESS_SAFEOP] = |
|
733 entry->read_access[EC_SDO_ENTRY_ACCESS_SAFEOP]; |
|
734 data.read_access[EC_SDO_ENTRY_ACCESS_OP] = |
|
735 entry->read_access[EC_SDO_ENTRY_ACCESS_OP]; |
|
736 data.write_access[EC_SDO_ENTRY_ACCESS_PREOP] = |
|
737 entry->write_access[EC_SDO_ENTRY_ACCESS_PREOP]; |
|
738 data.write_access[EC_SDO_ENTRY_ACCESS_SAFEOP] = |
|
739 entry->write_access[EC_SDO_ENTRY_ACCESS_SAFEOP]; |
|
740 data.write_access[EC_SDO_ENTRY_ACCESS_OP] = |
|
741 entry->write_access[EC_SDO_ENTRY_ACCESS_OP]; |
|
742 ec_ioctl_strcpy(data.description, entry->description); |
|
743 |
|
744 up(&master->master_sem); |
|
745 |
|
746 if (copy_to_user((void __user *) arg, &data, sizeof(data))) |
|
747 return -EFAULT; |
|
748 |
|
749 return 0; |
|
750 } |
|
751 |
|
752 /*****************************************************************************/ |
|
753 |
|
754 /** Upload SDO. |
|
755 */ |
|
756 static int ec_ioctl_slave_sdo_upload( |
|
757 ec_master_t *master, /**< EtherCAT master. */ |
|
758 void *arg /**< ioctl() argument. */ |
|
759 ) |
|
760 { |
|
761 ec_ioctl_slave_sdo_upload_t data; |
|
762 uint8_t *target; |
|
763 int ret; |
|
764 |
|
765 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) { |
|
766 return -EFAULT; |
|
767 } |
|
768 |
|
769 if (!(target = kmalloc(data.target_size, GFP_KERNEL))) { |
|
770 EC_MASTER_ERR(master, "Failed to allocate %u bytes" |
|
771 " for SDO upload.\n", data.target_size); |
|
772 return -ENOMEM; |
|
773 } |
|
774 |
|
775 ret = ecrt_master_sdo_upload(master, data.slave_position, |
|
776 data.sdo_index, data.sdo_entry_subindex, target, |
|
777 data.target_size, &data.data_size, &data.abort_code); |
|
778 |
|
779 if (!ret) { |
|
780 if (copy_to_user((void __user *) data.target, |
|
781 target, data.data_size)) { |
|
782 kfree(target); |
|
783 return -EFAULT; |
|
784 } |
|
785 } |
|
786 |
|
787 kfree(target); |
|
788 |
|
789 if (__copy_to_user((void __user *) arg, &data, sizeof(data))) { |
|
790 return -EFAULT; |
|
791 } |
|
792 |
|
793 return 0; |
|
794 } |
|
795 |
|
796 /*****************************************************************************/ |
|
797 |
|
798 /** Download SDO. |
|
799 */ |
|
800 static int ec_ioctl_slave_sdo_download( |
|
801 ec_master_t *master, /**< EtherCAT master. */ |
|
802 void *arg /**< ioctl() argument. */ |
|
803 ) |
|
804 { |
|
805 ec_ioctl_slave_sdo_download_t data; |
|
806 uint8_t *sdo_data; |
|
807 int retval; |
|
808 |
|
809 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) { |
|
810 return -EFAULT; |
|
811 } |
|
812 |
|
813 if (!(sdo_data = kmalloc(data.data_size, GFP_KERNEL))) { |
|
814 EC_MASTER_ERR(master, "Failed to allocate %u bytes" |
|
815 " for SDO download.\n", data.data_size); |
|
816 return -ENOMEM; |
|
817 } |
|
818 |
|
819 if (copy_from_user(sdo_data, (void __user *) data.data, data.data_size)) { |
|
820 kfree(sdo_data); |
|
821 return -EFAULT; |
|
822 } |
|
823 |
|
824 if (data.complete_access) { |
|
825 retval = ecrt_master_sdo_download_complete(master, data.slave_position, |
|
826 data.sdo_index, sdo_data, data.data_size, &data.abort_code); |
|
827 } else { |
|
828 retval = ecrt_master_sdo_download(master, data.slave_position, |
|
829 data.sdo_index, data.sdo_entry_subindex, sdo_data, |
|
830 data.data_size, &data.abort_code); |
|
831 } |
|
832 |
|
833 kfree(sdo_data); |
|
834 |
|
835 if (__copy_to_user((void __user *) arg, &data, sizeof(data))) { |
|
836 retval = -EFAULT; |
|
837 } |
|
838 |
|
839 return retval; |
|
840 } |
|
841 |
|
842 /*****************************************************************************/ |
|
843 |
|
844 /** Read a slave's SII. |
|
845 */ |
|
846 static int ec_ioctl_slave_sii_read( |
|
847 ec_master_t *master, /**< EtherCAT master. */ |
|
848 void *arg /**< ioctl() argument. */ |
|
849 ) |
|
850 { |
|
851 ec_ioctl_slave_sii_t data; |
|
852 const ec_slave_t *slave; |
|
853 int retval; |
|
854 |
|
855 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) { |
|
856 return -EFAULT; |
|
857 } |
|
858 |
|
859 if (down_interruptible(&master->master_sem)) |
|
860 return -EINTR; |
|
861 |
|
862 if (!(slave = ec_master_find_slave_const( |
|
863 master, 0, data.slave_position))) { |
|
864 up(&master->master_sem); |
|
865 EC_MASTER_ERR(master, "Slave %u does not exist!\n", |
|
866 data.slave_position); |
|
867 return -EINVAL; |
|
868 } |
|
869 |
|
870 if (!data.nwords |
|
871 || data.offset + data.nwords > slave->sii_nwords) { |
|
872 up(&master->master_sem); |
|
873 EC_SLAVE_ERR(slave, "Invalid SII read offset/size %u/%u for slave SII" |
|
874 " size %zu!\n", data.offset, data.nwords, slave->sii_nwords); |
|
875 return -EINVAL; |
|
876 } |
|
877 |
|
878 if (copy_to_user((void __user *) data.words, |
|
879 slave->sii_words + data.offset, data.nwords * 2)) |
|
880 retval = -EFAULT; |
|
881 else |
|
882 retval = 0; |
|
883 |
|
884 up(&master->master_sem); |
|
885 return retval; |
|
886 } |
|
887 |
|
888 /*****************************************************************************/ |
|
889 |
|
890 /** Write a slave's SII. |
|
891 */ |
|
892 static int ec_ioctl_slave_sii_write( |
|
893 ec_master_t *master, /**< EtherCAT master. */ |
|
894 void *arg /**< ioctl() argument. */ |
|
895 ) |
|
896 { |
|
897 ec_ioctl_slave_sii_t data; |
|
898 ec_slave_t *slave; |
|
899 unsigned int byte_size; |
|
900 uint16_t *words; |
|
901 ec_sii_write_request_t request; |
|
902 |
|
903 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) { |
|
904 return -EFAULT; |
|
905 } |
|
906 |
|
907 if (!data.nwords) |
|
908 return 0; |
|
909 |
|
910 byte_size = sizeof(uint16_t) * data.nwords; |
|
911 if (!(words = kmalloc(byte_size, GFP_KERNEL))) { |
|
912 EC_MASTER_ERR(master, "Failed to allocate %u bytes" |
|
913 " for SII contents.\n", byte_size); |
|
914 return -ENOMEM; |
|
915 } |
|
916 |
|
917 if (copy_from_user(words, |
|
918 (void __user *) data.words, byte_size)) { |
|
919 kfree(words); |
|
920 return -EFAULT; |
|
921 } |
|
922 |
|
923 if (down_interruptible(&master->master_sem)) |
|
924 return -EINTR; |
|
925 |
|
926 if (!(slave = ec_master_find_slave( |
|
927 master, 0, data.slave_position))) { |
|
928 up(&master->master_sem); |
|
929 EC_MASTER_ERR(master, "Slave %u does not exist!\n", |
|
930 data.slave_position); |
|
931 kfree(words); |
|
932 return -EINVAL; |
|
933 } |
|
934 |
|
935 // init SII write request |
|
936 INIT_LIST_HEAD(&request.list); |
|
937 request.slave = slave; |
|
938 request.words = words; |
|
939 request.offset = data.offset; |
|
940 request.nwords = data.nwords; |
|
941 request.state = EC_INT_REQUEST_QUEUED; |
|
942 |
|
943 // schedule SII write request. |
|
944 list_add_tail(&request.list, &master->sii_requests); |
|
945 |
|
946 up(&master->master_sem); |
|
947 |
|
948 // wait for processing through FSM |
|
949 if (wait_event_interruptible(master->sii_queue, |
|
950 request.state != EC_INT_REQUEST_QUEUED)) { |
|
951 // interrupted by signal |
|
952 down(&master->master_sem); |
|
953 if (request.state == EC_INT_REQUEST_QUEUED) { |
|
954 // abort request |
|
955 list_del(&request.list); |
|
956 up(&master->master_sem); |
|
957 kfree(words); |
|
958 return -EINTR; |
|
959 } |
|
960 up(&master->master_sem); |
|
961 } |
|
962 |
|
963 // wait until master FSM has finished processing |
|
964 wait_event(master->sii_queue, request.state != EC_INT_REQUEST_BUSY); |
|
965 |
|
966 kfree(words); |
|
967 |
|
968 return request.state == EC_INT_REQUEST_SUCCESS ? 0 : -EIO; |
|
969 } |
|
970 |
|
971 /*****************************************************************************/ |
|
972 |
|
973 /** Read a slave's registers. |
|
974 */ |
|
975 static int ec_ioctl_slave_reg_read( |
|
976 ec_master_t *master, /**< EtherCAT master. */ |
|
977 void *arg /**< ioctl() argument. */ |
|
978 ) |
|
979 { |
|
980 ec_ioctl_slave_reg_t data; |
|
981 ec_slave_t *slave; |
|
982 uint8_t *contents; |
|
983 ec_reg_request_t request; |
|
984 |
|
985 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) { |
|
986 return -EFAULT; |
|
987 } |
|
988 |
|
989 if (!data.length) |
|
990 return 0; |
|
991 |
|
992 if (!(contents = kmalloc(data.length, GFP_KERNEL))) { |
|
993 EC_MASTER_ERR(master, "Failed to allocate %u bytes" |
|
994 " for register data.\n", data.length); |
|
995 return -ENOMEM; |
|
996 } |
|
997 |
|
998 if (down_interruptible(&master->master_sem)) |
|
999 return -EINTR; |
|
1000 |
|
1001 if (!(slave = ec_master_find_slave( |
|
1002 master, 0, data.slave_position))) { |
|
1003 up(&master->master_sem); |
|
1004 EC_MASTER_ERR(master, "Slave %u does not exist!\n", |
|
1005 data.slave_position); |
|
1006 return -EINVAL; |
|
1007 } |
|
1008 |
|
1009 // init register request |
|
1010 INIT_LIST_HEAD(&request.list); |
|
1011 request.slave = slave; |
|
1012 request.dir = EC_DIR_INPUT; |
|
1013 request.data = contents; |
|
1014 request.offset = data.offset; |
|
1015 request.length = data.length; |
|
1016 request.state = EC_INT_REQUEST_QUEUED; |
|
1017 |
|
1018 // schedule request. |
|
1019 list_add_tail(&request.list, &master->reg_requests); |
|
1020 |
|
1021 up(&master->master_sem); |
|
1022 |
|
1023 // wait for processing through FSM |
|
1024 if (wait_event_interruptible(master->reg_queue, |
|
1025 request.state != EC_INT_REQUEST_QUEUED)) { |
|
1026 // interrupted by signal |
|
1027 down(&master->master_sem); |
|
1028 if (request.state == EC_INT_REQUEST_QUEUED) { |
|
1029 // abort request |
|
1030 list_del(&request.list); |
|
1031 up(&master->master_sem); |
|
1032 kfree(contents); |
|
1033 return -EINTR; |
|
1034 } |
|
1035 up(&master->master_sem); |
|
1036 } |
|
1037 |
|
1038 // wait until master FSM has finished processing |
|
1039 wait_event(master->reg_queue, request.state != EC_INT_REQUEST_BUSY); |
|
1040 |
|
1041 if (request.state == EC_INT_REQUEST_SUCCESS) { |
|
1042 if (copy_to_user((void __user *) data.data, contents, data.length)) |
|
1043 return -EFAULT; |
|
1044 } |
|
1045 kfree(contents); |
|
1046 |
|
1047 return request.state == EC_INT_REQUEST_SUCCESS ? 0 : -EIO; |
|
1048 } |
|
1049 |
|
1050 /*****************************************************************************/ |
|
1051 |
|
1052 /** Write a slave's registers. |
|
1053 */ |
|
1054 static int ec_ioctl_slave_reg_write( |
|
1055 ec_master_t *master, /**< EtherCAT master. */ |
|
1056 void *arg /**< ioctl() argument. */ |
|
1057 ) |
|
1058 { |
|
1059 ec_ioctl_slave_reg_t data; |
|
1060 ec_slave_t *slave; |
|
1061 uint8_t *contents; |
|
1062 ec_reg_request_t request; |
|
1063 |
|
1064 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) { |
|
1065 return -EFAULT; |
|
1066 } |
|
1067 |
|
1068 if (!data.length) |
|
1069 return 0; |
|
1070 |
|
1071 if (!(contents = kmalloc(data.length, GFP_KERNEL))) { |
|
1072 EC_MASTER_ERR(master, "Failed to allocate %u bytes" |
|
1073 " for register data.\n", data.length); |
|
1074 return -ENOMEM; |
|
1075 } |
|
1076 |
|
1077 if (copy_from_user(contents, (void __user *) data.data, data.length)) { |
|
1078 kfree(contents); |
|
1079 return -EFAULT; |
|
1080 } |
|
1081 |
|
1082 if (down_interruptible(&master->master_sem)) |
|
1083 return -EINTR; |
|
1084 |
|
1085 if (!(slave = ec_master_find_slave( |
|
1086 master, 0, data.slave_position))) { |
|
1087 up(&master->master_sem); |
|
1088 EC_MASTER_ERR(master, "Slave %u does not exist!\n", |
|
1089 data.slave_position); |
|
1090 kfree(contents); |
|
1091 return -EINVAL; |
|
1092 } |
|
1093 |
|
1094 // init register request |
|
1095 INIT_LIST_HEAD(&request.list); |
|
1096 request.slave = slave; |
|
1097 request.dir = EC_DIR_OUTPUT; |
|
1098 request.data = contents; |
|
1099 request.offset = data.offset; |
|
1100 request.length = data.length; |
|
1101 request.state = EC_INT_REQUEST_QUEUED; |
|
1102 |
|
1103 // schedule request. |
|
1104 list_add_tail(&request.list, &master->reg_requests); |
|
1105 |
|
1106 up(&master->master_sem); |
|
1107 |
|
1108 // wait for processing through FSM |
|
1109 if (wait_event_interruptible(master->reg_queue, |
|
1110 request.state != EC_INT_REQUEST_QUEUED)) { |
|
1111 // interrupted by signal |
|
1112 down(&master->master_sem); |
|
1113 if (request.state == EC_INT_REQUEST_QUEUED) { |
|
1114 // abort request |
|
1115 list_del(&request.list); |
|
1116 up(&master->master_sem); |
|
1117 kfree(contents); |
|
1118 return -EINTR; |
|
1119 } |
|
1120 up(&master->master_sem); |
|
1121 } |
|
1122 |
|
1123 // wait until master FSM has finished processing |
|
1124 wait_event(master->reg_queue, request.state != EC_INT_REQUEST_BUSY); |
|
1125 |
|
1126 kfree(contents); |
|
1127 |
|
1128 return request.state == EC_INT_REQUEST_SUCCESS ? 0 : -EIO; |
|
1129 } |
|
1130 |
|
1131 /*****************************************************************************/ |
|
1132 |
|
1133 /** Get slave configuration information. |
|
1134 */ |
|
1135 static int ec_ioctl_config( |
|
1136 ec_master_t *master, /**< EtherCAT master. */ |
|
1137 void *arg /**< ioctl() argument. */ |
|
1138 ) |
|
1139 { |
|
1140 ec_ioctl_config_t data; |
|
1141 const ec_slave_config_t *sc; |
|
1142 uint8_t i; |
|
1143 |
|
1144 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) { |
|
1145 return -EFAULT; |
|
1146 } |
|
1147 |
|
1148 if (down_interruptible(&master->master_sem)) |
|
1149 return -EINTR; |
|
1150 |
|
1151 if (!(sc = ec_master_get_config_const( |
|
1152 master, data.config_index))) { |
|
1153 up(&master->master_sem); |
|
1154 EC_MASTER_ERR(master, "Slave config %u does not exist!\n", |
|
1155 data.config_index); |
|
1156 return -EINVAL; |
|
1157 } |
|
1158 |
|
1159 data.alias = sc->alias; |
|
1160 data.position = sc->position; |
|
1161 data.vendor_id = sc->vendor_id; |
|
1162 data.product_code = sc->product_code; |
|
1163 for (i = 0; i < EC_MAX_SYNC_MANAGERS; i++) { |
|
1164 data.syncs[i].dir = sc->sync_configs[i].dir; |
|
1165 data.syncs[i].watchdog_mode = sc->sync_configs[i].watchdog_mode; |
|
1166 data.syncs[i].pdo_count = |
|
1167 ec_pdo_list_count(&sc->sync_configs[i].pdos); |
|
1168 } |
|
1169 data.watchdog_divider = sc->watchdog_divider; |
|
1170 data.watchdog_intervals = sc->watchdog_intervals; |
|
1171 data.sdo_count = ec_slave_config_sdo_count(sc); |
|
1172 data.idn_count = ec_slave_config_idn_count(sc); |
|
1173 data.slave_position = sc->slave ? sc->slave->ring_position : -1; |
|
1174 data.dc_assign_activate = sc->dc_assign_activate; |
|
1175 for (i = 0; i < EC_SYNC_SIGNAL_COUNT; i++) { |
|
1176 data.dc_sync[i] = sc->dc_sync[i]; |
|
1177 } |
|
1178 |
|
1179 up(&master->master_sem); |
|
1180 |
|
1181 if (copy_to_user((void __user *) arg, &data, sizeof(data))) |
|
1182 return -EFAULT; |
|
1183 |
|
1184 return 0; |
|
1185 } |
|
1186 |
|
1187 /*****************************************************************************/ |
|
1188 |
|
1189 /** Get slave configuration PDO information. |
|
1190 */ |
|
1191 static int ec_ioctl_config_pdo( |
|
1192 ec_master_t *master, /**< EtherCAT master. */ |
|
1193 void *arg /**< ioctl() argument. */ |
|
1194 ) |
|
1195 { |
|
1196 ec_ioctl_config_pdo_t data; |
|
1197 const ec_slave_config_t *sc; |
|
1198 const ec_pdo_t *pdo; |
|
1199 |
|
1200 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) { |
|
1201 return -EFAULT; |
|
1202 } |
|
1203 |
|
1204 if (data.sync_index >= EC_MAX_SYNC_MANAGERS) { |
|
1205 EC_MASTER_ERR(master, "Invalid sync manager index %u!\n", |
|
1206 data.sync_index); |
|
1207 return -EINVAL; |
|
1208 } |
|
1209 |
|
1210 if (down_interruptible(&master->master_sem)) |
|
1211 return -EINTR; |
|
1212 |
|
1213 if (!(sc = ec_master_get_config_const( |
|
1214 master, data.config_index))) { |
|
1215 up(&master->master_sem); |
|
1216 EC_MASTER_ERR(master, "Slave config %u does not exist!\n", |
|
1217 data.config_index); |
|
1218 return -EINVAL; |
|
1219 } |
|
1220 |
|
1221 if (!(pdo = ec_pdo_list_find_pdo_by_pos_const( |
|
1222 &sc->sync_configs[data.sync_index].pdos, |
|
1223 data.pdo_pos))) { |
|
1224 up(&master->master_sem); |
|
1225 EC_MASTER_ERR(master, "Invalid PDO position!\n"); |
|
1226 return -EINVAL; |
|
1227 } |
|
1228 |
|
1229 data.index = pdo->index; |
|
1230 data.entry_count = ec_pdo_entry_count(pdo); |
|
1231 ec_ioctl_strcpy(data.name, pdo->name); |
|
1232 |
|
1233 up(&master->master_sem); |
|
1234 |
|
1235 if (copy_to_user((void __user *) arg, &data, sizeof(data))) |
|
1236 return -EFAULT; |
|
1237 |
|
1238 return 0; |
|
1239 } |
|
1240 |
|
1241 /*****************************************************************************/ |
|
1242 |
|
1243 /** Get slave configuration PDO entry information. |
|
1244 */ |
|
1245 static int ec_ioctl_config_pdo_entry( |
|
1246 ec_master_t *master, /**< EtherCAT master. */ |
|
1247 void *arg /**< ioctl() argument. */ |
|
1248 ) |
|
1249 { |
|
1250 ec_ioctl_config_pdo_entry_t data; |
|
1251 const ec_slave_config_t *sc; |
|
1252 const ec_pdo_t *pdo; |
|
1253 const ec_pdo_entry_t *entry; |
|
1254 |
|
1255 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) { |
|
1256 return -EFAULT; |
|
1257 } |
|
1258 |
|
1259 if (data.sync_index >= EC_MAX_SYNC_MANAGERS) { |
|
1260 EC_MASTER_ERR(master, "Invalid sync manager index %u!\n", |
|
1261 data.sync_index); |
|
1262 return -EINVAL; |
|
1263 } |
|
1264 |
|
1265 if (down_interruptible(&master->master_sem)) |
|
1266 return -EINTR; |
|
1267 |
|
1268 if (!(sc = ec_master_get_config_const( |
|
1269 master, data.config_index))) { |
|
1270 up(&master->master_sem); |
|
1271 EC_MASTER_ERR(master, "Slave config %u does not exist!\n", |
|
1272 data.config_index); |
|
1273 return -EINVAL; |
|
1274 } |
|
1275 |
|
1276 if (!(pdo = ec_pdo_list_find_pdo_by_pos_const( |
|
1277 &sc->sync_configs[data.sync_index].pdos, |
|
1278 data.pdo_pos))) { |
|
1279 up(&master->master_sem); |
|
1280 EC_MASTER_ERR(master, "Invalid PDO position!\n"); |
|
1281 return -EINVAL; |
|
1282 } |
|
1283 |
|
1284 if (!(entry = ec_pdo_find_entry_by_pos_const( |
|
1285 pdo, data.entry_pos))) { |
|
1286 up(&master->master_sem); |
|
1287 EC_MASTER_ERR(master, "Entry not found!\n"); |
|
1288 return -EINVAL; |
|
1289 } |
|
1290 |
|
1291 data.index = entry->index; |
|
1292 data.subindex = entry->subindex; |
|
1293 data.bit_length = entry->bit_length; |
|
1294 ec_ioctl_strcpy(data.name, entry->name); |
|
1295 |
|
1296 up(&master->master_sem); |
|
1297 |
|
1298 if (copy_to_user((void __user *) arg, &data, sizeof(data))) |
|
1299 return -EFAULT; |
|
1300 |
|
1301 return 0; |
|
1302 } |
|
1303 |
|
1304 /*****************************************************************************/ |
|
1305 |
|
1306 /** Get slave configuration SDO information. |
|
1307 */ |
|
1308 static int ec_ioctl_config_sdo( |
|
1309 ec_master_t *master, /**< EtherCAT master. */ |
|
1310 void *arg /**< ioctl() argument. */ |
|
1311 ) |
|
1312 { |
|
1313 ec_ioctl_config_sdo_t *ioctl; |
|
1314 const ec_slave_config_t *sc; |
|
1315 const ec_sdo_request_t *req; |
|
1316 |
|
1317 if (!(ioctl = kmalloc(sizeof(*ioctl), GFP_KERNEL))) { |
|
1318 return -ENOMEM; |
|
1319 } |
|
1320 |
|
1321 if (copy_from_user(ioctl, (void __user *) arg, sizeof(*ioctl))) { |
|
1322 kfree(ioctl); |
|
1323 return -EFAULT; |
|
1324 } |
|
1325 |
|
1326 if (down_interruptible(&master->master_sem)) { |
|
1327 kfree(ioctl); |
|
1328 return -EINTR; |
|
1329 } |
|
1330 |
|
1331 if (!(sc = ec_master_get_config_const( |
|
1332 master, ioctl->config_index))) { |
|
1333 up(&master->master_sem); |
|
1334 EC_MASTER_ERR(master, "Slave config %u does not exist!\n", |
|
1335 ioctl->config_index); |
|
1336 kfree(ioctl); |
|
1337 return -EINVAL; |
|
1338 } |
|
1339 |
|
1340 if (!(req = ec_slave_config_get_sdo_by_pos_const( |
|
1341 sc, ioctl->sdo_pos))) { |
|
1342 up(&master->master_sem); |
|
1343 EC_MASTER_ERR(master, "Invalid SDO position!\n"); |
|
1344 kfree(ioctl); |
|
1345 return -EINVAL; |
|
1346 } |
|
1347 |
|
1348 ioctl->index = req->index; |
|
1349 ioctl->subindex = req->subindex; |
|
1350 ioctl->size = req->data_size; |
|
1351 memcpy(ioctl->data, req->data, |
|
1352 min((u32) ioctl->size, (u32) EC_MAX_SDO_DATA_SIZE)); |
|
1353 |
|
1354 up(&master->master_sem); |
|
1355 |
|
1356 if (copy_to_user((void __user *) arg, ioctl, sizeof(*ioctl))) { |
|
1357 kfree(ioctl); |
|
1358 return -EFAULT; |
|
1359 } |
|
1360 |
|
1361 kfree(ioctl); |
|
1362 return 0; |
|
1363 } |
|
1364 |
|
1365 /*****************************************************************************/ |
|
1366 |
|
1367 /** Get slave configuration IDN information. |
|
1368 */ |
|
1369 static int ec_ioctl_config_idn( |
|
1370 ec_master_t *master, /**< EtherCAT master. */ |
|
1371 void *arg /**< ioctl() argument. */ |
|
1372 ) |
|
1373 { |
|
1374 ec_ioctl_config_idn_t *ioctl; |
|
1375 const ec_slave_config_t *sc; |
|
1376 const ec_soe_request_t *req; |
|
1377 |
|
1378 if (!(ioctl = kmalloc(sizeof(*ioctl), GFP_KERNEL))) { |
|
1379 return -ENOMEM; |
|
1380 } |
|
1381 |
|
1382 if (copy_from_user(ioctl, (void __user *) arg, sizeof(*ioctl))) { |
|
1383 kfree(ioctl); |
|
1384 return -EFAULT; |
|
1385 } |
|
1386 |
|
1387 if (down_interruptible(&master->master_sem)) { |
|
1388 kfree(ioctl); |
|
1389 return -EINTR; |
|
1390 } |
|
1391 |
|
1392 if (!(sc = ec_master_get_config_const( |
|
1393 master, ioctl->config_index))) { |
|
1394 up(&master->master_sem); |
|
1395 EC_MASTER_ERR(master, "Slave config %u does not exist!\n", |
|
1396 ioctl->config_index); |
|
1397 kfree(ioctl); |
|
1398 return -EINVAL; |
|
1399 } |
|
1400 |
|
1401 if (!(req = ec_slave_config_get_idn_by_pos_const( |
|
1402 sc, ioctl->idn_pos))) { |
|
1403 up(&master->master_sem); |
|
1404 EC_MASTER_ERR(master, "Invalid IDN position!\n"); |
|
1405 kfree(ioctl); |
|
1406 return -EINVAL; |
|
1407 } |
|
1408 |
|
1409 ioctl->drive_no = req->drive_no; |
|
1410 ioctl->idn = req->idn; |
|
1411 ioctl->state = req->state; |
|
1412 ioctl->size = req->data_size; |
|
1413 memcpy(ioctl->data, req->data, |
|
1414 min((u32) ioctl->size, (u32) EC_MAX_IDN_DATA_SIZE)); |
|
1415 |
|
1416 up(&master->master_sem); |
|
1417 |
|
1418 if (copy_to_user((void __user *) arg, ioctl, sizeof(*ioctl))) { |
|
1419 kfree(ioctl); |
|
1420 return -EFAULT; |
|
1421 } |
|
1422 |
|
1423 kfree(ioctl); |
|
1424 return 0; |
|
1425 } |
|
1426 |
|
1427 /*****************************************************************************/ |
|
1428 |
|
1429 #ifdef EC_EOE |
|
1430 |
|
1431 /** Get EoE handler information. |
|
1432 */ |
|
1433 static int ec_ioctl_eoe_handler( |
|
1434 ec_master_t *master, /**< EtherCAT master. */ |
|
1435 void *arg /**< ioctl() argument. */ |
|
1436 ) |
|
1437 { |
|
1438 ec_ioctl_eoe_handler_t data; |
|
1439 const ec_eoe_t *eoe; |
|
1440 |
|
1441 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) { |
|
1442 return -EFAULT; |
|
1443 } |
|
1444 |
|
1445 if (down_interruptible(&master->master_sem)) |
|
1446 return -EINTR; |
|
1447 |
|
1448 if (!(eoe = ec_master_get_eoe_handler_const(master, data.eoe_index))) { |
|
1449 up(&master->master_sem); |
|
1450 EC_MASTER_ERR(master, "EoE handler %u does not exist!\n", |
|
1451 data.eoe_index); |
|
1452 return -EINVAL; |
|
1453 } |
|
1454 |
|
1455 if (eoe->slave) { |
|
1456 data.slave_position = eoe->slave->ring_position; |
|
1457 } else { |
|
1458 data.slave_position = 0xffff; |
|
1459 } |
|
1460 snprintf(data.name, EC_DATAGRAM_NAME_SIZE, eoe->dev->name); |
|
1461 data.open = eoe->opened; |
|
1462 data.rx_bytes = eoe->stats.tx_bytes; |
|
1463 data.rx_rate = eoe->tx_rate; |
|
1464 data.tx_bytes = eoe->stats.rx_bytes; |
|
1465 data.tx_rate = eoe->tx_rate; |
|
1466 data.tx_queued_frames = eoe->tx_queued_frames; |
|
1467 data.tx_queue_size = eoe->tx_queue_size; |
|
1468 |
|
1469 up(&master->master_sem); |
|
1470 |
|
1471 if (copy_to_user((void __user *) arg, &data, sizeof(data))) |
|
1472 return -EFAULT; |
|
1473 |
|
1474 return 0; |
|
1475 } |
|
1476 |
|
1477 #endif |
|
1478 |
|
1479 /*****************************************************************************/ |
|
1480 |
|
1481 /** Request the master from userspace. |
|
1482 */ |
|
1483 static int ec_ioctl_request( |
|
1484 ec_master_t *master, /**< EtherCAT master. */ |
|
1485 void *arg, /**< ioctl() argument. */ |
|
1486 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
1487 ) |
|
1488 { |
|
1489 ec_master_t *m; |
|
1490 int ret = 0; |
|
1491 |
|
1492 m = ecrt_request_master_err(master->index); |
|
1493 if (IS_ERR(m)) { |
|
1494 ret = PTR_ERR(m); |
|
1495 } else { |
|
1496 ctx->requested = 1; |
|
1497 } |
|
1498 |
|
1499 return ret; |
|
1500 } |
|
1501 |
|
1502 /*****************************************************************************/ |
|
1503 |
|
1504 /** Create a domain. |
|
1505 */ |
|
1506 static int ec_ioctl_create_domain( |
|
1507 ec_master_t *master, /**< EtherCAT master. */ |
|
1508 void *arg, /**< ioctl() argument. */ |
|
1509 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
1510 ) |
|
1511 { |
|
1512 ec_domain_t *domain; |
|
1513 |
|
1514 if (unlikely(!ctx->requested)) |
|
1515 return -EPERM; |
|
1516 |
|
1517 domain = ecrt_master_create_domain_err(master); |
|
1518 if (IS_ERR(domain)) |
|
1519 return PTR_ERR(domain); |
|
1520 |
|
1521 return domain->index; |
|
1522 } |
|
1523 |
|
1524 /*****************************************************************************/ |
|
1525 |
|
1526 /** Create a slave configuration. |
|
1527 */ |
|
1528 static int ec_ioctl_create_slave_config( |
|
1529 ec_master_t *master, /**< EtherCAT master. */ |
|
1530 void *arg, /**< ioctl() argument. */ |
|
1531 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
1532 ) |
|
1533 { |
|
1534 ec_ioctl_config_t data; |
|
1535 ec_slave_config_t *sc, *entry; |
|
1536 |
|
1537 if (unlikely(!ctx->requested)) |
|
1538 return -EPERM; |
|
1539 |
|
1540 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) { |
|
1541 return -EFAULT; |
|
1542 } |
|
1543 |
|
1544 sc = ecrt_master_slave_config_err(master, data.alias, data.position, |
|
1545 data.vendor_id, data.product_code); |
|
1546 if (IS_ERR(sc)) |
|
1547 return PTR_ERR(sc); |
|
1548 |
|
1549 data.config_index = 0; |
|
1550 |
|
1551 if (down_interruptible(&master->master_sem)) |
|
1552 return -EINTR; |
|
1553 |
|
1554 list_for_each_entry(entry, &master->configs, list) { |
|
1555 if (entry == sc) |
|
1556 break; |
|
1557 data.config_index++; |
|
1558 } |
|
1559 |
|
1560 up(&master->master_sem); |
|
1561 |
|
1562 if (copy_to_user((void __user *) arg, &data, sizeof(data))) |
|
1563 return -EFAULT; |
|
1564 |
|
1565 return 0; |
|
1566 } |
|
1567 |
|
1568 /*****************************************************************************/ |
|
1569 |
|
1570 /** Activates the master. |
|
1571 */ |
|
1572 static int ec_ioctl_activate( |
|
1573 ec_master_t *master, /**< EtherCAT master. */ |
|
1574 void *arg, /**< ioctl() argument. */ |
|
1575 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
1576 ) |
|
1577 { |
|
1578 ec_ioctl_master_activate_t io; |
|
1579 ec_domain_t *domain; |
|
1580 off_t offset; |
|
1581 int ret; |
|
1582 |
|
1583 if (unlikely(!ctx->requested)) |
|
1584 return -EPERM; |
|
1585 |
|
1586 io.process_data = NULL; |
|
1587 |
|
1588 /* Get the sum of the domains' process data sizes. */ |
|
1589 |
|
1590 ctx->process_data_size = 0; |
|
1591 |
|
1592 if (down_interruptible(&master->master_sem)) |
|
1593 return -EINTR; |
|
1594 |
|
1595 list_for_each_entry(domain, &master->domains, list) { |
|
1596 ctx->process_data_size += ecrt_domain_size(domain); |
|
1597 } |
|
1598 |
|
1599 up(&master->master_sem); |
|
1600 |
|
1601 if (ctx->process_data_size) { |
|
1602 ctx->process_data = vmalloc(ctx->process_data_size); |
|
1603 if (!ctx->process_data) { |
|
1604 ctx->process_data_size = 0; |
|
1605 return -ENOMEM; |
|
1606 } |
|
1607 |
|
1608 /* Set the memory as external process data memory for the |
|
1609 * domains. |
|
1610 */ |
|
1611 offset = 0; |
|
1612 list_for_each_entry(domain, &master->domains, list) { |
|
1613 ecrt_domain_external_memory(domain, |
|
1614 ctx->process_data + offset); |
|
1615 offset += ecrt_domain_size(domain); |
|
1616 } |
|
1617 |
|
1618 #ifdef EC_IOCTL_RTDM |
|
1619 /* RTDM uses a different approach for memory-mapping, which has to be |
|
1620 * initiated by the kernel. |
|
1621 */ |
|
1622 ret = ec_rtdm_mmap(ctx, &io.process_data); |
|
1623 if (ret < 0) { |
|
1624 EC_MASTER_ERR(master, "Failed to map process data" |
|
1625 " memory to user space (code %i).\n", ret); |
|
1626 return ret; |
|
1627 } |
|
1628 #endif |
|
1629 } |
|
1630 |
|
1631 io.process_data_size = ctx->process_data_size; |
|
1632 |
|
1633 #ifndef EC_IOCTL_RTDM |
|
1634 ecrt_master_callbacks(master, ec_master_internal_send_cb, |
|
1635 ec_master_internal_receive_cb, master); |
|
1636 #endif |
|
1637 |
|
1638 ret = ecrt_master_activate(master); |
|
1639 if (ret < 0) |
|
1640 return ret; |
|
1641 |
|
1642 if (copy_to_user((void __user *) arg, &io, |
|
1643 sizeof(ec_ioctl_master_activate_t))) |
|
1644 return -EFAULT; |
|
1645 |
|
1646 return 0; |
|
1647 } |
|
1648 |
|
1649 /*****************************************************************************/ |
|
1650 |
|
1651 /** Deactivates the master. |
|
1652 */ |
|
1653 static int ec_ioctl_deactivate( |
|
1654 ec_master_t *master, /**< EtherCAT master. */ |
|
1655 void *arg, /**< ioctl() argument. */ |
|
1656 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
1657 ) |
|
1658 { |
|
1659 if (unlikely(!ctx->requested)) |
|
1660 return -EPERM; |
|
1661 |
|
1662 ecrt_master_deactivate(master); |
|
1663 return 0; |
|
1664 } |
|
1665 |
|
1666 /*****************************************************************************/ |
|
1667 |
|
1668 /** Set max. number of databytes in a cycle |
|
1669 */ |
|
1670 static int ec_ioctl_set_send_interval( |
|
1671 ec_master_t *master, /**< EtherCAT master. */ |
|
1672 void *arg, /**< ioctl() argument. */ |
|
1673 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
1674 ) |
|
1675 { |
|
1676 size_t send_interval; |
|
1677 |
|
1678 if (copy_from_user(&send_interval, (void __user *) arg, |
|
1679 sizeof(send_interval))) { |
|
1680 return -EFAULT; |
|
1681 } |
|
1682 |
|
1683 if (down_interruptible(&master->master_sem)) |
|
1684 return -EINTR; |
|
1685 |
|
1686 ec_master_set_send_interval(master, send_interval); |
|
1687 |
|
1688 up(&master->master_sem); |
|
1689 return 0; |
|
1690 } |
|
1691 |
|
1692 /*****************************************************************************/ |
|
1693 |
|
1694 /** Send frames. |
|
1695 */ |
|
1696 static int ec_ioctl_send( |
|
1697 ec_master_t *master, /**< EtherCAT master. */ |
|
1698 void *arg, /**< ioctl() argument. */ |
|
1699 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
1700 ) |
|
1701 { |
|
1702 if (unlikely(!ctx->requested)) |
|
1703 return -EPERM; |
|
1704 |
|
1705 down(&master->io_sem); |
|
1706 ecrt_master_send(master); |
|
1707 up(&master->io_sem); |
|
1708 return 0; |
|
1709 } |
|
1710 |
|
1711 /*****************************************************************************/ |
|
1712 |
|
1713 /** Receive frames. |
|
1714 */ |
|
1715 static int ec_ioctl_receive( |
|
1716 ec_master_t *master, /**< EtherCAT master. */ |
|
1717 void *arg, /**< ioctl() argument. */ |
|
1718 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
1719 ) |
|
1720 { |
|
1721 if (unlikely(!ctx->requested)) |
|
1722 return -EPERM; |
|
1723 |
|
1724 down(&master->io_sem); |
|
1725 ecrt_master_receive(master); |
|
1726 up(&master->io_sem); |
|
1727 return 0; |
|
1728 } |
|
1729 |
|
1730 /*****************************************************************************/ |
|
1731 |
|
1732 /** Get the master state. |
|
1733 */ |
|
1734 static int ec_ioctl_master_state( |
|
1735 ec_master_t *master, /**< EtherCAT master. */ |
|
1736 void *arg, /**< ioctl() argument. */ |
|
1737 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
1738 ) |
|
1739 { |
|
1740 ec_master_state_t data; |
|
1741 |
|
1742 if (unlikely(!ctx->requested)) |
|
1743 return -EPERM; |
|
1744 |
|
1745 ecrt_master_state(master, &data); |
|
1746 |
|
1747 if (copy_to_user((void __user *) arg, &data, sizeof(data))) |
|
1748 return -EFAULT; |
|
1749 |
|
1750 return 0; |
|
1751 } |
|
1752 |
|
1753 /*****************************************************************************/ |
|
1754 |
|
1755 /** Get the master state. |
|
1756 */ |
|
1757 static int ec_ioctl_master_link_state( |
|
1758 ec_master_t *master, /**< EtherCAT master. */ |
|
1759 void *arg, /**< ioctl() argument. */ |
|
1760 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
1761 ) |
|
1762 { |
|
1763 ec_ioctl_link_state_t ioctl; |
|
1764 ec_master_link_state_t state; |
|
1765 int ret; |
|
1766 |
|
1767 if (unlikely(!ctx->requested)) { |
|
1768 return -EPERM; |
|
1769 } |
|
1770 |
|
1771 if (copy_from_user(&ioctl, (void __user *) arg, sizeof(ioctl))) { |
|
1772 return -EFAULT; |
|
1773 } |
|
1774 |
|
1775 ret = ecrt_master_link_state(master, ioctl.dev_idx, &state); |
|
1776 if (ret < 0) { |
|
1777 return ret; |
|
1778 } |
|
1779 |
|
1780 if (copy_to_user((void __user *) ioctl.state, &state, sizeof(state))) { |
|
1781 return -EFAULT; |
|
1782 } |
|
1783 |
|
1784 return 0; |
|
1785 } |
|
1786 |
|
1787 /*****************************************************************************/ |
|
1788 |
|
1789 /** Set the master dc app time. |
|
1790 */ |
|
1791 static int ec_ioctl_app_time( |
|
1792 ec_master_t *master, /**< EtherCAT master. */ |
|
1793 void *arg, /**< ioctl() argument. */ |
|
1794 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
1795 ) |
|
1796 { |
|
1797 ec_ioctl_app_time_t data; |
|
1798 |
|
1799 if (unlikely(!ctx->requested)) |
|
1800 return -EPERM; |
|
1801 |
|
1802 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) { |
|
1803 return -EFAULT; |
|
1804 } |
|
1805 |
|
1806 ecrt_master_application_time(master, data.app_time); |
|
1807 return 0; |
|
1808 } |
|
1809 |
|
1810 /*****************************************************************************/ |
|
1811 |
|
1812 /** Sync the reference clock. |
|
1813 */ |
|
1814 static int ec_ioctl_sync_ref( |
|
1815 ec_master_t *master, /**< EtherCAT master. */ |
|
1816 void *arg, /**< ioctl() argument. */ |
|
1817 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
1818 ) |
|
1819 { |
|
1820 if (unlikely(!ctx->requested)) |
|
1821 return -EPERM; |
|
1822 |
|
1823 down(&master->io_sem); |
|
1824 ecrt_master_sync_reference_clock(master); |
|
1825 up(&master->io_sem); |
|
1826 return 0; |
|
1827 } |
|
1828 |
|
1829 /*****************************************************************************/ |
|
1830 |
|
1831 /** Sync the slave clocks. |
|
1832 */ |
|
1833 static int ec_ioctl_sync_slaves( |
|
1834 ec_master_t *master, /**< EtherCAT master. */ |
|
1835 void *arg, /**< ioctl() argument. */ |
|
1836 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
1837 ) |
|
1838 { |
|
1839 if (unlikely(!ctx->requested)) |
|
1840 return -EPERM; |
|
1841 |
|
1842 down(&master->io_sem); |
|
1843 ecrt_master_sync_slave_clocks(master); |
|
1844 up(&master->io_sem); |
|
1845 return 0; |
|
1846 } |
|
1847 |
|
1848 /*****************************************************************************/ |
|
1849 |
|
1850 /** Queue the sync monitoring datagram. |
|
1851 */ |
|
1852 static int ec_ioctl_sync_mon_queue( |
|
1853 ec_master_t *master, /**< EtherCAT master. */ |
|
1854 void *arg, /**< ioctl() argument. */ |
|
1855 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
1856 ) |
|
1857 { |
|
1858 if (unlikely(!ctx->requested)) |
|
1859 return -EPERM; |
|
1860 |
|
1861 down(&master->io_sem); |
|
1862 ecrt_master_sync_monitor_queue(master); |
|
1863 up(&master->io_sem); |
|
1864 return 0; |
|
1865 } |
|
1866 |
|
1867 /*****************************************************************************/ |
|
1868 |
|
1869 /** Processes the sync monitoring datagram. |
|
1870 */ |
|
1871 static int ec_ioctl_sync_mon_process( |
|
1872 ec_master_t *master, /**< EtherCAT master. */ |
|
1873 void *arg, /**< ioctl() argument. */ |
|
1874 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
1875 ) |
|
1876 { |
|
1877 uint32_t time_diff; |
|
1878 |
|
1879 if (unlikely(!ctx->requested)) |
|
1880 return -EPERM; |
|
1881 |
|
1882 down(&master->io_sem); |
|
1883 time_diff = ecrt_master_sync_monitor_process(master); |
|
1884 up(&master->io_sem); |
|
1885 |
|
1886 if (copy_to_user((void __user *) arg, &time_diff, sizeof(time_diff))) |
|
1887 return -EFAULT; |
|
1888 |
|
1889 return 0; |
|
1890 } |
|
1891 |
|
1892 /*****************************************************************************/ |
|
1893 |
|
1894 /** Reset configuration. |
|
1895 */ |
|
1896 static int ec_ioctl_reset( |
|
1897 ec_master_t *master, /**< EtherCAT master. */ |
|
1898 void *arg, /**< ioctl() argument. */ |
|
1899 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
1900 ) |
|
1901 { |
|
1902 if (unlikely(!ctx->requested)) |
|
1903 return -EPERM; |
|
1904 |
|
1905 down(&master->master_sem); |
|
1906 ecrt_master_reset(master); |
|
1907 up(&master->master_sem); |
|
1908 return 0; |
|
1909 } |
|
1910 |
|
1911 /*****************************************************************************/ |
|
1912 |
|
1913 /** Configure a sync manager. |
|
1914 */ |
|
1915 static int ec_ioctl_sc_sync( |
|
1916 ec_master_t *master, /**< EtherCAT master. */ |
|
1917 void *arg, /**< ioctl() argument. */ |
|
1918 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
1919 ) |
|
1920 { |
|
1921 ec_ioctl_config_t data; |
|
1922 ec_slave_config_t *sc; |
|
1923 unsigned int i; |
|
1924 int ret = 0; |
|
1925 |
|
1926 if (unlikely(!ctx->requested)) { |
|
1927 ret = -EPERM; |
|
1928 goto out_return; |
|
1929 } |
|
1930 |
|
1931 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) { |
|
1932 ret = -EFAULT; |
|
1933 goto out_return; |
|
1934 } |
|
1935 |
|
1936 if (down_interruptible(&master->master_sem)) { |
|
1937 ret = -EINTR; |
|
1938 goto out_return; |
|
1939 } |
|
1940 |
|
1941 if (!(sc = ec_master_get_config(master, data.config_index))) { |
|
1942 ret = -ENOENT; |
|
1943 goto out_up; |
|
1944 } |
|
1945 |
|
1946 for (i = 0; i < EC_MAX_SYNC_MANAGERS; i++) { |
|
1947 if (data.syncs[i].config_this) { |
|
1948 if (ecrt_slave_config_sync_manager(sc, i, data.syncs[i].dir, |
|
1949 data.syncs[i].watchdog_mode)) { |
|
1950 ret = -EINVAL; |
|
1951 goto out_up; |
|
1952 } |
|
1953 } |
|
1954 } |
|
1955 |
|
1956 out_up: |
|
1957 up(&master->master_sem); |
|
1958 out_return: |
|
1959 return ret; |
|
1960 } |
|
1961 |
|
1962 /*****************************************************************************/ |
|
1963 |
|
1964 /** Configure a slave's watchdogs. |
|
1965 */ |
|
1966 static int ec_ioctl_sc_watchdog( |
|
1967 ec_master_t *master, /**< EtherCAT master. */ |
|
1968 void *arg, /**< ioctl() argument. */ |
|
1969 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
1970 ) |
|
1971 { |
|
1972 ec_ioctl_config_t data; |
|
1973 ec_slave_config_t *sc; |
|
1974 int ret = 0; |
|
1975 |
|
1976 if (unlikely(!ctx->requested)) { |
|
1977 ret = -EPERM; |
|
1978 goto out_return; |
|
1979 } |
|
1980 |
|
1981 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) { |
|
1982 ret = -EFAULT; |
|
1983 goto out_return; |
|
1984 } |
|
1985 |
|
1986 if (down_interruptible(&master->master_sem)) { |
|
1987 ret = -EINTR; |
|
1988 goto out_return; |
|
1989 } |
|
1990 |
|
1991 if (!(sc = ec_master_get_config(master, data.config_index))) { |
|
1992 ret = -ENOENT; |
|
1993 goto out_up; |
|
1994 } |
|
1995 |
|
1996 ecrt_slave_config_watchdog(sc, |
|
1997 data.watchdog_divider, data.watchdog_intervals); |
|
1998 |
|
1999 out_up: |
|
2000 up(&master->master_sem); |
|
2001 out_return: |
|
2002 return ret; |
|
2003 } |
|
2004 |
|
2005 /*****************************************************************************/ |
|
2006 |
|
2007 /** Add a PDO to the assignment. |
|
2008 */ |
|
2009 static int ec_ioctl_sc_add_pdo( |
|
2010 ec_master_t *master, /**< EtherCAT master. */ |
|
2011 void *arg, /**< ioctl() argument. */ |
|
2012 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
2013 ) |
|
2014 { |
|
2015 ec_ioctl_config_pdo_t data; |
|
2016 ec_slave_config_t *sc; |
|
2017 |
|
2018 if (unlikely(!ctx->requested)) |
|
2019 return -EPERM; |
|
2020 |
|
2021 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) |
|
2022 return -EFAULT; |
|
2023 |
|
2024 if (down_interruptible(&master->master_sem)) |
|
2025 return -EINTR; |
|
2026 |
|
2027 if (!(sc = ec_master_get_config(master, data.config_index))) { |
|
2028 up(&master->master_sem); |
|
2029 return -ENOENT; |
|
2030 } |
|
2031 |
|
2032 up(&master->master_sem); /** \fixme sc could be invalidated */ |
|
2033 |
|
2034 return ecrt_slave_config_pdo_assign_add(sc, data.sync_index, data.index); |
|
2035 } |
|
2036 |
|
2037 /*****************************************************************************/ |
|
2038 |
|
2039 /** Clears the PDO assignment. |
|
2040 */ |
|
2041 static int ec_ioctl_sc_clear_pdos( |
|
2042 ec_master_t *master, /**< EtherCAT master. */ |
|
2043 void *arg, /**< ioctl() argument. */ |
|
2044 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
2045 ) |
|
2046 { |
|
2047 ec_ioctl_config_pdo_t data; |
|
2048 ec_slave_config_t *sc; |
|
2049 |
|
2050 if (unlikely(!ctx->requested)) |
|
2051 return -EPERM; |
|
2052 |
|
2053 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) |
|
2054 return -EFAULT; |
|
2055 |
|
2056 if (down_interruptible(&master->master_sem)) |
|
2057 return -EINTR; |
|
2058 |
|
2059 if (!(sc = ec_master_get_config(master, data.config_index))) { |
|
2060 up(&master->master_sem); |
|
2061 return -ENOENT; |
|
2062 } |
|
2063 |
|
2064 up(&master->master_sem); /** \fixme sc could be invalidated */ |
|
2065 |
|
2066 ecrt_slave_config_pdo_assign_clear(sc, data.sync_index); |
|
2067 return 0; |
|
2068 } |
|
2069 |
|
2070 /*****************************************************************************/ |
|
2071 |
|
2072 /** Add an entry to a PDO's mapping. |
|
2073 */ |
|
2074 static int ec_ioctl_sc_add_entry( |
|
2075 ec_master_t *master, /**< EtherCAT master. */ |
|
2076 void *arg, /**< ioctl() argument. */ |
|
2077 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
2078 ) |
|
2079 { |
|
2080 ec_ioctl_add_pdo_entry_t data; |
|
2081 ec_slave_config_t *sc; |
|
2082 |
|
2083 if (unlikely(!ctx->requested)) |
|
2084 return -EPERM; |
|
2085 |
|
2086 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) |
|
2087 return -EFAULT; |
|
2088 |
|
2089 if (down_interruptible(&master->master_sem)) |
|
2090 return -EINTR; |
|
2091 |
|
2092 if (!(sc = ec_master_get_config(master, data.config_index))) { |
|
2093 up(&master->master_sem); |
|
2094 return -ENOENT; |
|
2095 } |
|
2096 |
|
2097 up(&master->master_sem); /** \fixme sc could be invalidated */ |
|
2098 |
|
2099 return ecrt_slave_config_pdo_mapping_add(sc, data.pdo_index, |
|
2100 data.entry_index, data.entry_subindex, data.entry_bit_length); |
|
2101 } |
|
2102 |
|
2103 /*****************************************************************************/ |
|
2104 |
|
2105 /** Clears the mapping of a PDO. |
|
2106 */ |
|
2107 static int ec_ioctl_sc_clear_entries( |
|
2108 ec_master_t *master, /**< EtherCAT master. */ |
|
2109 void *arg, /**< ioctl() argument. */ |
|
2110 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
2111 ) |
|
2112 { |
|
2113 ec_ioctl_config_pdo_t data; |
|
2114 ec_slave_config_t *sc; |
|
2115 |
|
2116 if (unlikely(!ctx->requested)) |
|
2117 return -EPERM; |
|
2118 |
|
2119 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) |
|
2120 return -EFAULT; |
|
2121 |
|
2122 if (down_interruptible(&master->master_sem)) |
|
2123 return -EINTR; |
|
2124 |
|
2125 if (!(sc = ec_master_get_config(master, data.config_index))) { |
|
2126 up(&master->master_sem); |
|
2127 return -ENOENT; |
|
2128 } |
|
2129 |
|
2130 up(&master->master_sem); /** \fixme sc could be invalidated */ |
|
2131 |
|
2132 ecrt_slave_config_pdo_mapping_clear(sc, data.index); |
|
2133 return 0; |
|
2134 } |
|
2135 |
|
2136 /*****************************************************************************/ |
|
2137 |
|
2138 /** Registers a PDO entry. |
|
2139 */ |
|
2140 static int ec_ioctl_sc_reg_pdo_entry( |
|
2141 ec_master_t *master, /**< EtherCAT master. */ |
|
2142 void *arg, /**< ioctl() argument. */ |
|
2143 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
2144 ) |
|
2145 { |
|
2146 ec_ioctl_reg_pdo_entry_t data; |
|
2147 ec_slave_config_t *sc; |
|
2148 ec_domain_t *domain; |
|
2149 int ret; |
|
2150 |
|
2151 if (unlikely(!ctx->requested)) |
|
2152 return -EPERM; |
|
2153 |
|
2154 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) |
|
2155 return -EFAULT; |
|
2156 |
|
2157 if (down_interruptible(&master->master_sem)) |
|
2158 return -EINTR; |
|
2159 |
|
2160 if (!(sc = ec_master_get_config(master, data.config_index))) { |
|
2161 up(&master->master_sem); |
|
2162 return -ENOENT; |
|
2163 } |
|
2164 |
|
2165 if (!(domain = ec_master_find_domain(master, data.domain_index))) { |
|
2166 up(&master->master_sem); |
|
2167 return -ENOENT; |
|
2168 } |
|
2169 |
|
2170 up(&master->master_sem); /** \fixme sc or domain could be invalidated */ |
|
2171 |
|
2172 ret = ecrt_slave_config_reg_pdo_entry(sc, data.entry_index, |
|
2173 data.entry_subindex, domain, &data.bit_position); |
|
2174 |
|
2175 if (copy_to_user((void __user *) arg, &data, sizeof(data))) |
|
2176 return -EFAULT; |
|
2177 |
|
2178 return ret; |
|
2179 } |
|
2180 |
|
2181 /*****************************************************************************/ |
|
2182 |
|
2183 /** Sets the DC AssignActivate word and the sync signal times. |
|
2184 */ |
|
2185 static int ec_ioctl_sc_dc( |
|
2186 ec_master_t *master, /**< EtherCAT master. */ |
|
2187 void *arg, /**< ioctl() argument. */ |
|
2188 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
2189 ) |
|
2190 { |
|
2191 ec_ioctl_config_t data; |
|
2192 ec_slave_config_t *sc; |
|
2193 |
|
2194 if (unlikely(!ctx->requested)) |
|
2195 return -EPERM; |
|
2196 |
|
2197 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) |
|
2198 return -EFAULT; |
|
2199 |
|
2200 if (down_interruptible(&master->master_sem)) |
|
2201 return -EINTR; |
|
2202 |
|
2203 if (!(sc = ec_master_get_config(master, data.config_index))) { |
|
2204 up(&master->master_sem); |
|
2205 return -ENOENT; |
|
2206 } |
|
2207 |
|
2208 ecrt_slave_config_dc(sc, data.dc_assign_activate, |
|
2209 data.dc_sync[0].cycle_time, |
|
2210 data.dc_sync[0].shift_time, |
|
2211 data.dc_sync[1].cycle_time, |
|
2212 data.dc_sync[1].shift_time); |
|
2213 |
|
2214 up(&master->master_sem); |
|
2215 |
|
2216 return 0; |
|
2217 } |
|
2218 |
|
2219 /*****************************************************************************/ |
|
2220 |
|
2221 /** Configures an SDO. |
|
2222 */ |
|
2223 static int ec_ioctl_sc_sdo( |
|
2224 ec_master_t *master, /**< EtherCAT master. */ |
|
2225 void *arg, /**< ioctl() argument. */ |
|
2226 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
2227 ) |
|
2228 { |
|
2229 ec_ioctl_sc_sdo_t data; |
|
2230 ec_slave_config_t *sc; |
|
2231 uint8_t *sdo_data = NULL; |
|
2232 int ret; |
|
2233 |
|
2234 if (unlikely(!ctx->requested)) |
|
2235 return -EPERM; |
|
2236 |
|
2237 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) |
|
2238 return -EFAULT; |
|
2239 |
|
2240 if (!data.size) |
|
2241 return -EINVAL; |
|
2242 |
|
2243 if (!(sdo_data = kmalloc(data.size, GFP_KERNEL))) { |
|
2244 return -ENOMEM; |
|
2245 } |
|
2246 |
|
2247 if (copy_from_user(sdo_data, (void __user *) data.data, data.size)) { |
|
2248 kfree(sdo_data); |
|
2249 return -EFAULT; |
|
2250 } |
|
2251 |
|
2252 if (down_interruptible(&master->master_sem)) { |
|
2253 kfree(sdo_data); |
|
2254 return -EINTR; |
|
2255 } |
|
2256 |
|
2257 if (!(sc = ec_master_get_config(master, data.config_index))) { |
|
2258 up(&master->master_sem); |
|
2259 kfree(sdo_data); |
|
2260 return -ENOENT; |
|
2261 } |
|
2262 |
|
2263 up(&master->master_sem); /** \fixme sc could be invalidated */ |
|
2264 |
|
2265 if (data.complete_access) { |
|
2266 ret = ecrt_slave_config_complete_sdo(sc, |
|
2267 data.index, sdo_data, data.size); |
|
2268 } else { |
|
2269 ret = ecrt_slave_config_sdo(sc, data.index, data.subindex, sdo_data, |
|
2270 data.size); |
|
2271 } |
|
2272 kfree(sdo_data); |
|
2273 return ret; |
|
2274 } |
|
2275 |
|
2276 /*****************************************************************************/ |
|
2277 |
|
2278 /** Create an SDO request. |
|
2279 */ |
|
2280 static int ec_ioctl_sc_create_sdo_request( |
|
2281 ec_master_t *master, /**< EtherCAT master. */ |
|
2282 void *arg, /**< ioctl() argument. */ |
|
2283 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
2284 ) |
|
2285 { |
|
2286 ec_ioctl_sdo_request_t data; |
|
2287 ec_slave_config_t *sc; |
|
2288 ec_sdo_request_t *req; |
|
2289 |
|
2290 if (unlikely(!ctx->requested)) |
|
2291 return -EPERM; |
|
2292 |
|
2293 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) { |
|
2294 return -EFAULT; |
|
2295 } |
|
2296 |
|
2297 data.request_index = 0; |
|
2298 |
|
2299 if (down_interruptible(&master->master_sem)) |
|
2300 return -EINTR; |
|
2301 |
|
2302 sc = ec_master_get_config(master, data.config_index); |
|
2303 if (!sc) { |
|
2304 up(&master->master_sem); |
|
2305 return -ENOENT; |
|
2306 } |
|
2307 |
|
2308 list_for_each_entry(req, &sc->sdo_requests, list) { |
|
2309 data.request_index++; |
|
2310 } |
|
2311 |
|
2312 up(&master->master_sem); /** \fixme sc could be invalidated */ |
|
2313 |
|
2314 req = ecrt_slave_config_create_sdo_request_err(sc, data.sdo_index, |
|
2315 data.sdo_subindex, data.size); |
|
2316 if (IS_ERR(req)) |
|
2317 return PTR_ERR(req); |
|
2318 |
|
2319 if (copy_to_user((void __user *) arg, &data, sizeof(data))) |
|
2320 return -EFAULT; |
|
2321 |
|
2322 return 0; |
|
2323 } |
|
2324 |
|
2325 /*****************************************************************************/ |
|
2326 |
|
2327 /** Create a VoE handler. |
|
2328 */ |
|
2329 static int ec_ioctl_sc_create_voe_handler( |
|
2330 ec_master_t *master, /**< EtherCAT master. */ |
|
2331 void *arg, /**< ioctl() argument. */ |
|
2332 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
2333 ) |
|
2334 { |
|
2335 ec_ioctl_voe_t data; |
|
2336 ec_slave_config_t *sc; |
|
2337 ec_voe_handler_t *voe; |
|
2338 |
|
2339 if (unlikely(!ctx->requested)) |
|
2340 return -EPERM; |
|
2341 |
|
2342 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) { |
|
2343 return -EFAULT; |
|
2344 } |
|
2345 |
|
2346 data.voe_index = 0; |
|
2347 |
|
2348 if (down_interruptible(&master->master_sem)) |
|
2349 return -EINTR; |
|
2350 |
|
2351 sc = ec_master_get_config(master, data.config_index); |
|
2352 if (!sc) { |
|
2353 up(&master->master_sem); |
|
2354 return -ENOENT; |
|
2355 } |
|
2356 |
|
2357 list_for_each_entry(voe, &sc->voe_handlers, list) { |
|
2358 data.voe_index++; |
|
2359 } |
|
2360 |
|
2361 up(&master->master_sem); /** \fixme sc could be invalidated */ |
|
2362 |
|
2363 voe = ecrt_slave_config_create_voe_handler_err(sc, data.size); |
|
2364 if (IS_ERR(voe)) |
|
2365 return PTR_ERR(voe); |
|
2366 |
|
2367 if (copy_to_user((void __user *) arg, &data, sizeof(data))) |
|
2368 return -EFAULT; |
|
2369 |
|
2370 return 0; |
|
2371 } |
|
2372 |
|
2373 /*****************************************************************************/ |
|
2374 |
|
2375 /** Get the slave configuration's state. |
|
2376 */ |
|
2377 static int ec_ioctl_sc_state( |
|
2378 ec_master_t *master, /**< EtherCAT master. */ |
|
2379 void *arg, /**< ioctl() argument. */ |
|
2380 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
2381 ) |
|
2382 { |
|
2383 ec_ioctl_sc_state_t data; |
|
2384 const ec_slave_config_t *sc; |
|
2385 ec_slave_config_state_t state; |
|
2386 |
|
2387 if (unlikely(!ctx->requested)) |
|
2388 return -EPERM; |
|
2389 |
|
2390 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) { |
|
2391 return -EFAULT; |
|
2392 } |
|
2393 |
|
2394 /* no locking of master_sem needed, because sc will not be deleted in the |
|
2395 * meantime. */ |
|
2396 |
|
2397 if (!(sc = ec_master_get_config_const(master, data.config_index))) { |
|
2398 return -ENOENT; |
|
2399 } |
|
2400 |
|
2401 ecrt_slave_config_state(sc, &state); |
|
2402 |
|
2403 if (copy_to_user((void __user *) data.state, &state, sizeof(state))) |
|
2404 return -EFAULT; |
|
2405 |
|
2406 return 0; |
|
2407 } |
|
2408 |
|
2409 /*****************************************************************************/ |
|
2410 |
|
2411 /** Configures an IDN. |
|
2412 */ |
|
2413 static int ec_ioctl_sc_idn( |
|
2414 ec_master_t *master, /**< EtherCAT master. */ |
|
2415 void *arg, /**< ioctl() argument. */ |
|
2416 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
2417 ) |
|
2418 { |
|
2419 ec_ioctl_sc_idn_t ioctl; |
|
2420 ec_slave_config_t *sc; |
|
2421 uint8_t *data = NULL; |
|
2422 int ret; |
|
2423 |
|
2424 if (unlikely(!ctx->requested)) |
|
2425 return -EPERM; |
|
2426 |
|
2427 if (copy_from_user(&ioctl, (void __user *) arg, sizeof(ioctl))) |
|
2428 return -EFAULT; |
|
2429 |
|
2430 if (!ioctl.size) |
|
2431 return -EINVAL; |
|
2432 |
|
2433 if (!(data = kmalloc(ioctl.size, GFP_KERNEL))) { |
|
2434 return -ENOMEM; |
|
2435 } |
|
2436 |
|
2437 if (copy_from_user(data, (void __user *) ioctl.data, ioctl.size)) { |
|
2438 kfree(data); |
|
2439 return -EFAULT; |
|
2440 } |
|
2441 |
|
2442 if (down_interruptible(&master->master_sem)) { |
|
2443 kfree(data); |
|
2444 return -EINTR; |
|
2445 } |
|
2446 |
|
2447 if (!(sc = ec_master_get_config(master, ioctl.config_index))) { |
|
2448 up(&master->master_sem); |
|
2449 kfree(data); |
|
2450 return -ENOENT; |
|
2451 } |
|
2452 |
|
2453 up(&master->master_sem); /** \fixme sc could be invalidated */ |
|
2454 |
|
2455 ret = ecrt_slave_config_idn( |
|
2456 sc, ioctl.drive_no, ioctl.idn, ioctl.al_state, data, ioctl.size); |
|
2457 kfree(data); |
|
2458 return ret; |
|
2459 } |
|
2460 |
|
2461 /*****************************************************************************/ |
|
2462 |
|
2463 /** Gets the domain's offset in the total process data. |
|
2464 */ |
|
2465 static int ec_ioctl_domain_offset( |
|
2466 ec_master_t *master, /**< EtherCAT master. */ |
|
2467 void *arg, /**< ioctl() argument. */ |
|
2468 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
2469 ) |
|
2470 { |
|
2471 int offset = 0; |
|
2472 const ec_domain_t *domain; |
|
2473 |
|
2474 if (unlikely(!ctx->requested)) |
|
2475 return -EPERM; |
|
2476 |
|
2477 if (down_interruptible(&master->master_sem)) { |
|
2478 return -EINTR; |
|
2479 } |
|
2480 |
|
2481 list_for_each_entry(domain, &master->domains, list) { |
|
2482 if (domain->index == (unsigned int) arg) { |
|
2483 up(&master->master_sem); |
|
2484 return offset; |
|
2485 } |
|
2486 offset += ecrt_domain_size(domain); |
|
2487 } |
|
2488 |
|
2489 up(&master->master_sem); |
|
2490 return -ENOENT; |
|
2491 } |
|
2492 |
|
2493 /*****************************************************************************/ |
|
2494 |
|
2495 /** Process the domain. |
|
2496 */ |
|
2497 static int ec_ioctl_domain_process( |
|
2498 ec_master_t *master, /**< EtherCAT master. */ |
|
2499 void *arg, /**< ioctl() argument. */ |
|
2500 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
2501 ) |
|
2502 { |
|
2503 ec_domain_t *domain; |
|
2504 |
|
2505 if (unlikely(!ctx->requested)) |
|
2506 return -EPERM; |
|
2507 |
|
2508 /* no locking of master_sem needed, because domain will not be deleted in |
|
2509 * the meantime. */ |
|
2510 |
|
2511 if (!(domain = ec_master_find_domain(master, (unsigned int) arg))) { |
|
2512 return -ENOENT; |
|
2513 } |
|
2514 |
|
2515 ecrt_domain_process(domain); |
|
2516 return 0; |
|
2517 } |
|
2518 |
|
2519 /*****************************************************************************/ |
|
2520 |
|
2521 /** Queue the domain. |
|
2522 */ |
|
2523 static int ec_ioctl_domain_queue( |
|
2524 ec_master_t *master, /**< EtherCAT master. */ |
|
2525 void *arg, /**< ioctl() argument. */ |
|
2526 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
2527 ) |
|
2528 { |
|
2529 ec_domain_t *domain; |
|
2530 |
|
2531 if (unlikely(!ctx->requested)) |
|
2532 return -EPERM; |
|
2533 |
|
2534 /* no locking of master_sem needed, because domain will not be deleted in |
|
2535 * the meantime. */ |
|
2536 |
|
2537 if (!(domain = ec_master_find_domain(master, (unsigned int) arg))) { |
|
2538 return -ENOENT; |
|
2539 } |
|
2540 |
|
2541 ecrt_domain_queue(domain); |
|
2542 return 0; |
|
2543 } |
|
2544 |
|
2545 /*****************************************************************************/ |
|
2546 |
|
2547 /** Get the domain state. |
|
2548 */ |
|
2549 static int ec_ioctl_domain_state( |
|
2550 ec_master_t *master, /**< EtherCAT master. */ |
|
2551 void *arg, /**< ioctl() argument. */ |
|
2552 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
2553 ) |
|
2554 { |
|
2555 ec_ioctl_domain_state_t data; |
|
2556 const ec_domain_t *domain; |
|
2557 ec_domain_state_t state; |
|
2558 |
|
2559 if (unlikely(!ctx->requested)) |
|
2560 return -EPERM; |
|
2561 |
|
2562 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) { |
|
2563 return -EFAULT; |
|
2564 } |
|
2565 |
|
2566 /* no locking of master_sem needed, because domain will not be deleted in |
|
2567 * the meantime. */ |
|
2568 |
|
2569 if (!(domain = ec_master_find_domain_const(master, data.domain_index))) { |
|
2570 return -ENOENT; |
|
2571 } |
|
2572 |
|
2573 ecrt_domain_state(domain, &state); |
|
2574 |
|
2575 if (copy_to_user((void __user *) data.state, &state, sizeof(state))) |
|
2576 return -EFAULT; |
|
2577 |
|
2578 return 0; |
|
2579 } |
|
2580 |
|
2581 /*****************************************************************************/ |
|
2582 |
|
2583 /** Sets an SDO request's timeout. |
|
2584 */ |
|
2585 static int ec_ioctl_sdo_request_timeout( |
|
2586 ec_master_t *master, /**< EtherCAT master. */ |
|
2587 void *arg, /**< ioctl() argument. */ |
|
2588 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
2589 ) |
|
2590 { |
|
2591 ec_ioctl_sdo_request_t data; |
|
2592 ec_slave_config_t *sc; |
|
2593 ec_sdo_request_t *req; |
|
2594 |
|
2595 if (unlikely(!ctx->requested)) |
|
2596 return -EPERM; |
|
2597 |
|
2598 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) |
|
2599 return -EFAULT; |
|
2600 |
|
2601 /* no locking of master_sem needed, because neither sc nor req will not be |
|
2602 * deleted in the meantime. */ |
|
2603 |
|
2604 if (!(sc = ec_master_get_config(master, data.config_index))) { |
|
2605 return -ENOENT; |
|
2606 } |
|
2607 |
|
2608 if (!(req = ec_slave_config_find_sdo_request(sc, data.request_index))) { |
|
2609 return -ENOENT; |
|
2610 } |
|
2611 |
|
2612 ecrt_sdo_request_timeout(req, data.timeout); |
|
2613 return 0; |
|
2614 } |
|
2615 |
|
2616 /*****************************************************************************/ |
|
2617 |
|
2618 /** Gets an SDO request's state. |
|
2619 */ |
|
2620 static int ec_ioctl_sdo_request_state( |
|
2621 ec_master_t *master, /**< EtherCAT master. */ |
|
2622 void *arg, /**< ioctl() argument. */ |
|
2623 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
2624 ) |
|
2625 { |
|
2626 ec_ioctl_sdo_request_t data; |
|
2627 ec_slave_config_t *sc; |
|
2628 ec_sdo_request_t *req; |
|
2629 |
|
2630 if (unlikely(!ctx->requested)) |
|
2631 return -EPERM; |
|
2632 |
|
2633 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) |
|
2634 return -EFAULT; |
|
2635 |
|
2636 /* no locking of master_sem needed, because neither sc nor req will not be |
|
2637 * deleted in the meantime. */ |
|
2638 |
|
2639 if (!(sc = ec_master_get_config(master, data.config_index))) { |
|
2640 return -ENOENT; |
|
2641 } |
|
2642 |
|
2643 if (!(req = ec_slave_config_find_sdo_request(sc, data.request_index))) { |
|
2644 return -ENOENT; |
|
2645 } |
|
2646 |
|
2647 data.state = ecrt_sdo_request_state(req); |
|
2648 if (data.state == EC_REQUEST_SUCCESS && req->dir == EC_DIR_INPUT) |
|
2649 data.size = ecrt_sdo_request_data_size(req); |
|
2650 else |
|
2651 data.size = 0; |
|
2652 |
|
2653 if (copy_to_user((void __user *) arg, &data, sizeof(data))) |
|
2654 return -EFAULT; |
|
2655 |
|
2656 return 0; |
|
2657 } |
|
2658 |
|
2659 /*****************************************************************************/ |
|
2660 |
|
2661 /** Starts an SDO read operation. |
|
2662 */ |
|
2663 static int ec_ioctl_sdo_request_read( |
|
2664 ec_master_t *master, /**< EtherCAT master. */ |
|
2665 void *arg, /**< ioctl() argument. */ |
|
2666 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
2667 ) |
|
2668 { |
|
2669 ec_ioctl_sdo_request_t data; |
|
2670 ec_slave_config_t *sc; |
|
2671 ec_sdo_request_t *req; |
|
2672 |
|
2673 if (unlikely(!ctx->requested)) |
|
2674 return -EPERM; |
|
2675 |
|
2676 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) |
|
2677 return -EFAULT; |
|
2678 |
|
2679 /* no locking of master_sem needed, because neither sc nor req will not be |
|
2680 * deleted in the meantime. */ |
|
2681 |
|
2682 if (!(sc = ec_master_get_config(master, data.config_index))) { |
|
2683 return -ENOENT; |
|
2684 } |
|
2685 |
|
2686 if (!(req = ec_slave_config_find_sdo_request(sc, data.request_index))) { |
|
2687 return -ENOENT; |
|
2688 } |
|
2689 |
|
2690 ecrt_sdo_request_read(req); |
|
2691 return 0; |
|
2692 } |
|
2693 |
|
2694 /*****************************************************************************/ |
|
2695 |
|
2696 /** Starts an SDO write operation. |
|
2697 */ |
|
2698 static int ec_ioctl_sdo_request_write( |
|
2699 ec_master_t *master, /**< EtherCAT master. */ |
|
2700 void *arg, /**< ioctl() argument. */ |
|
2701 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
2702 ) |
|
2703 { |
|
2704 ec_ioctl_sdo_request_t data; |
|
2705 ec_slave_config_t *sc; |
|
2706 ec_sdo_request_t *req; |
|
2707 int ret; |
|
2708 |
|
2709 if (unlikely(!ctx->requested)) |
|
2710 return -EPERM; |
|
2711 |
|
2712 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) |
|
2713 return -EFAULT; |
|
2714 |
|
2715 if (!data.size) { |
|
2716 EC_MASTER_ERR(master, "SDO download: Data size may not be zero!\n"); |
|
2717 return -EINVAL; |
|
2718 } |
|
2719 |
|
2720 /* no locking of master_sem needed, because neither sc nor req will not be |
|
2721 * deleted in the meantime. */ |
|
2722 |
|
2723 if (!(sc = ec_master_get_config(master, data.config_index))) { |
|
2724 return -ENOENT; |
|
2725 } |
|
2726 |
|
2727 if (!(req = ec_slave_config_find_sdo_request(sc, data.request_index))) { |
|
2728 return -ENOENT; |
|
2729 } |
|
2730 |
|
2731 ret = ec_sdo_request_alloc(req, data.size); |
|
2732 if (ret) |
|
2733 return ret; |
|
2734 |
|
2735 if (copy_from_user(req->data, (void __user *) data.data, data.size)) |
|
2736 return -EFAULT; |
|
2737 |
|
2738 req->data_size = data.size; |
|
2739 ecrt_sdo_request_write(req); |
|
2740 return 0; |
|
2741 } |
|
2742 |
|
2743 /*****************************************************************************/ |
|
2744 |
|
2745 /** Read SDO data. |
|
2746 */ |
|
2747 static int ec_ioctl_sdo_request_data( |
|
2748 ec_master_t *master, /**< EtherCAT master. */ |
|
2749 void *arg, /**< ioctl() argument. */ |
|
2750 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
2751 ) |
|
2752 { |
|
2753 ec_ioctl_sdo_request_t data; |
|
2754 ec_slave_config_t *sc; |
|
2755 ec_sdo_request_t *req; |
|
2756 |
|
2757 if (unlikely(!ctx->requested)) |
|
2758 return -EPERM; |
|
2759 |
|
2760 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) |
|
2761 return -EFAULT; |
|
2762 |
|
2763 /* no locking of master_sem needed, because neither sc nor req will not be |
|
2764 * deleted in the meantime. */ |
|
2765 |
|
2766 if (!(sc = ec_master_get_config(master, data.config_index))) { |
|
2767 return -ENOENT; |
|
2768 } |
|
2769 |
|
2770 if (!(req = ec_slave_config_find_sdo_request(sc, data.request_index))) { |
|
2771 return -ENOENT; |
|
2772 } |
|
2773 |
|
2774 if (copy_to_user((void __user *) data.data, ecrt_sdo_request_data(req), |
|
2775 ecrt_sdo_request_data_size(req))) |
|
2776 return -EFAULT; |
|
2777 |
|
2778 return 0; |
|
2779 } |
|
2780 |
|
2781 /*****************************************************************************/ |
|
2782 |
|
2783 /** Sets the VoE send header. |
|
2784 */ |
|
2785 static int ec_ioctl_voe_send_header( |
|
2786 ec_master_t *master, /**< EtherCAT master. */ |
|
2787 void *arg, /**< ioctl() argument. */ |
|
2788 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
2789 ) |
|
2790 { |
|
2791 ec_ioctl_voe_t data; |
|
2792 ec_slave_config_t *sc; |
|
2793 ec_voe_handler_t *voe; |
|
2794 uint32_t vendor_id; |
|
2795 uint16_t vendor_type; |
|
2796 |
|
2797 if (unlikely(!ctx->requested)) |
|
2798 return -EPERM; |
|
2799 |
|
2800 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) |
|
2801 return -EFAULT; |
|
2802 |
|
2803 if (get_user(vendor_id, data.vendor_id)) |
|
2804 return -EFAULT; |
|
2805 |
|
2806 if (get_user(vendor_type, data.vendor_type)) |
|
2807 return -EFAULT; |
|
2808 |
|
2809 /* no locking of master_sem needed, because neither sc nor voe will not be |
|
2810 * deleted in the meantime. */ |
|
2811 |
|
2812 if (!(sc = ec_master_get_config(master, data.config_index))) { |
|
2813 return -ENOENT; |
|
2814 } |
|
2815 |
|
2816 if (!(voe = ec_slave_config_find_voe_handler(sc, data.voe_index))) { |
|
2817 return -ENOENT; |
|
2818 } |
|
2819 |
|
2820 ecrt_voe_handler_send_header(voe, vendor_id, vendor_type); |
|
2821 return 0; |
|
2822 } |
|
2823 |
|
2824 /*****************************************************************************/ |
|
2825 |
|
2826 /** Gets the received VoE header. |
|
2827 */ |
|
2828 static int ec_ioctl_voe_rec_header( |
|
2829 ec_master_t *master, /**< EtherCAT master. */ |
|
2830 void *arg, /**< ioctl() argument. */ |
|
2831 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
2832 ) |
|
2833 { |
|
2834 ec_ioctl_voe_t data; |
|
2835 ec_slave_config_t *sc; |
|
2836 ec_voe_handler_t *voe; |
|
2837 uint32_t vendor_id; |
|
2838 uint16_t vendor_type; |
|
2839 |
|
2840 if (unlikely(!ctx->requested)) |
|
2841 return -EPERM; |
|
2842 |
|
2843 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) |
|
2844 return -EFAULT; |
|
2845 |
|
2846 /* no locking of master_sem needed, because neither sc nor voe will not be |
|
2847 * deleted in the meantime. */ |
|
2848 |
|
2849 if (!(sc = ec_master_get_config(master, data.config_index))) { |
|
2850 return -ENOENT; |
|
2851 } |
|
2852 |
|
2853 if (!(voe = ec_slave_config_find_voe_handler(sc, data.voe_index))) { |
|
2854 return -ENOENT; |
|
2855 } |
|
2856 |
|
2857 ecrt_voe_handler_received_header(voe, &vendor_id, &vendor_type); |
|
2858 |
|
2859 if (likely(data.vendor_id)) |
|
2860 if (put_user(vendor_id, data.vendor_id)) |
|
2861 return -EFAULT; |
|
2862 |
|
2863 if (likely(data.vendor_type)) |
|
2864 if (put_user(vendor_type, data.vendor_type)) |
|
2865 return -EFAULT; |
|
2866 |
|
2867 return 0; |
|
2868 } |
|
2869 |
|
2870 /*****************************************************************************/ |
|
2871 |
|
2872 /** Starts a VoE read operation. |
|
2873 */ |
|
2874 static int ec_ioctl_voe_read( |
|
2875 ec_master_t *master, /**< EtherCAT master. */ |
|
2876 void *arg, /**< ioctl() argument. */ |
|
2877 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
2878 ) |
|
2879 { |
|
2880 ec_ioctl_voe_t data; |
|
2881 ec_slave_config_t *sc; |
|
2882 ec_voe_handler_t *voe; |
|
2883 |
|
2884 if (unlikely(!ctx->requested)) |
|
2885 return -EPERM; |
|
2886 |
|
2887 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) |
|
2888 return -EFAULT; |
|
2889 |
|
2890 /* no locking of master_sem needed, because neither sc nor voe will not be |
|
2891 * deleted in the meantime. */ |
|
2892 |
|
2893 if (!(sc = ec_master_get_config(master, data.config_index))) { |
|
2894 return -ENOENT; |
|
2895 } |
|
2896 |
|
2897 if (!(voe = ec_slave_config_find_voe_handler(sc, data.voe_index))) { |
|
2898 return -ENOENT; |
|
2899 } |
|
2900 |
|
2901 ecrt_voe_handler_read(voe); |
|
2902 return 0; |
|
2903 } |
|
2904 |
|
2905 /*****************************************************************************/ |
|
2906 |
|
2907 /** Starts a VoE read operation without sending a sync message first. |
|
2908 */ |
|
2909 static int ec_ioctl_voe_read_nosync( |
|
2910 ec_master_t *master, /**< EtherCAT master. */ |
|
2911 void *arg, /**< ioctl() argument. */ |
|
2912 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
2913 ) |
|
2914 { |
|
2915 ec_ioctl_voe_t data; |
|
2916 ec_slave_config_t *sc; |
|
2917 ec_voe_handler_t *voe; |
|
2918 |
|
2919 if (unlikely(!ctx->requested)) |
|
2920 return -EPERM; |
|
2921 |
|
2922 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) |
|
2923 return -EFAULT; |
|
2924 |
|
2925 /* no locking of master_sem needed, because neither sc nor voe will not be |
|
2926 * deleted in the meantime. */ |
|
2927 |
|
2928 if (!(sc = ec_master_get_config(master, data.config_index))) { |
|
2929 return -ENOENT; |
|
2930 } |
|
2931 |
|
2932 if (!(voe = ec_slave_config_find_voe_handler(sc, data.voe_index))) { |
|
2933 return -ENOENT; |
|
2934 } |
|
2935 |
|
2936 ecrt_voe_handler_read_nosync(voe); |
|
2937 return 0; |
|
2938 } |
|
2939 |
|
2940 /*****************************************************************************/ |
|
2941 |
|
2942 /** Starts a VoE write operation. |
|
2943 */ |
|
2944 static int ec_ioctl_voe_write( |
|
2945 ec_master_t *master, /**< EtherCAT master. */ |
|
2946 void *arg, /**< ioctl() argument. */ |
|
2947 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
2948 ) |
|
2949 { |
|
2950 ec_ioctl_voe_t data; |
|
2951 ec_slave_config_t *sc; |
|
2952 ec_voe_handler_t *voe; |
|
2953 |
|
2954 if (unlikely(!ctx->requested)) |
|
2955 return -EPERM; |
|
2956 |
|
2957 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) |
|
2958 return -EFAULT; |
|
2959 |
|
2960 /* no locking of master_sem needed, because neither sc nor voe will not be |
|
2961 * deleted in the meantime. */ |
|
2962 |
|
2963 if (!(sc = ec_master_get_config(master, data.config_index))) { |
|
2964 return -ENOENT; |
|
2965 } |
|
2966 |
|
2967 if (!(voe = ec_slave_config_find_voe_handler(sc, data.voe_index))) { |
|
2968 return -ENOENT; |
|
2969 } |
|
2970 |
|
2971 if (data.size) { |
|
2972 if (data.size > ec_voe_handler_mem_size(voe)) |
|
2973 return -EOVERFLOW; |
|
2974 |
|
2975 if (copy_from_user(ecrt_voe_handler_data(voe), |
|
2976 (void __user *) data.data, data.size)) |
|
2977 return -EFAULT; |
|
2978 } |
|
2979 |
|
2980 ecrt_voe_handler_write(voe, data.size); |
|
2981 return 0; |
|
2982 } |
|
2983 |
|
2984 /*****************************************************************************/ |
|
2985 |
|
2986 /** Executes the VoE state machine. |
|
2987 */ |
|
2988 static int ec_ioctl_voe_exec( |
|
2989 ec_master_t *master, /**< EtherCAT master. */ |
|
2990 void *arg, /**< ioctl() argument. */ |
|
2991 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
2992 ) |
|
2993 { |
|
2994 ec_ioctl_voe_t data; |
|
2995 ec_slave_config_t *sc; |
|
2996 ec_voe_handler_t *voe; |
|
2997 |
|
2998 if (unlikely(!ctx->requested)) |
|
2999 return -EPERM; |
|
3000 |
|
3001 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) |
|
3002 return -EFAULT; |
|
3003 |
|
3004 /* no locking of master_sem needed, because neither sc nor voe will not be |
|
3005 * deleted in the meantime. */ |
|
3006 |
|
3007 if (!(sc = ec_master_get_config(master, data.config_index))) { |
|
3008 return -ENOENT; |
|
3009 } |
|
3010 |
|
3011 if (!(voe = ec_slave_config_find_voe_handler(sc, data.voe_index))) { |
|
3012 return -ENOENT; |
|
3013 } |
|
3014 |
|
3015 data.state = ecrt_voe_handler_execute(voe); |
|
3016 if (data.state == EC_REQUEST_SUCCESS && voe->dir == EC_DIR_INPUT) |
|
3017 data.size = ecrt_voe_handler_data_size(voe); |
|
3018 else |
|
3019 data.size = 0; |
|
3020 |
|
3021 if (copy_to_user((void __user *) arg, &data, sizeof(data))) |
|
3022 return -EFAULT; |
|
3023 |
|
3024 return 0; |
|
3025 } |
|
3026 |
|
3027 /*****************************************************************************/ |
|
3028 |
|
3029 /** Reads the received VoE data. |
|
3030 */ |
|
3031 static int ec_ioctl_voe_data( |
|
3032 ec_master_t *master, /**< EtherCAT master. */ |
|
3033 void *arg, /**< ioctl() argument. */ |
|
3034 ec_ioctl_context_t *ctx /**< Private data structure of file handle. */ |
|
3035 ) |
|
3036 { |
|
3037 ec_ioctl_voe_t data; |
|
3038 ec_slave_config_t *sc; |
|
3039 ec_voe_handler_t *voe; |
|
3040 |
|
3041 if (unlikely(!ctx->requested)) |
|
3042 return -EPERM; |
|
3043 |
|
3044 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) |
|
3045 return -EFAULT; |
|
3046 |
|
3047 /* no locking of master_sem needed, because neither sc nor voe will not be |
|
3048 * deleted in the meantime. */ |
|
3049 |
|
3050 if (!(sc = ec_master_get_config(master, data.config_index))) { |
|
3051 return -ENOENT; |
|
3052 } |
|
3053 |
|
3054 if (!(voe = ec_slave_config_find_voe_handler(sc, data.voe_index))) { |
|
3055 return -ENOENT; |
|
3056 } |
|
3057 |
|
3058 if (copy_to_user((void __user *) data.data, ecrt_voe_handler_data(voe), |
|
3059 ecrt_voe_handler_data_size(voe))) |
|
3060 return -EFAULT; |
|
3061 |
|
3062 return 0; |
|
3063 } |
|
3064 |
|
3065 /*****************************************************************************/ |
|
3066 |
|
3067 /** Read a file from a slave via FoE. |
|
3068 */ |
|
3069 static int ec_ioctl_slave_foe_read( |
|
3070 ec_master_t *master, /**< EtherCAT master. */ |
|
3071 void *arg /**< ioctl() argument. */ |
|
3072 ) |
|
3073 { |
|
3074 ec_ioctl_slave_foe_t data; |
|
3075 ec_master_foe_request_t request; |
|
3076 int retval; |
|
3077 |
|
3078 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) { |
|
3079 return -EFAULT; |
|
3080 } |
|
3081 |
|
3082 ec_foe_request_init(&request.req, data.file_name); |
|
3083 ec_foe_request_read(&request.req); |
|
3084 ec_foe_request_alloc(&request.req, 10000); // FIXME |
|
3085 |
|
3086 if (down_interruptible(&master->master_sem)) { |
|
3087 ec_foe_request_clear(&request.req); |
|
3088 return -EINTR; |
|
3089 } |
|
3090 |
|
3091 if (!(request.slave = ec_master_find_slave( |
|
3092 master, 0, data.slave_position))) { |
|
3093 up(&master->master_sem); |
|
3094 ec_foe_request_clear(&request.req); |
|
3095 EC_MASTER_ERR(master, "Slave %u does not exist!\n", |
|
3096 data.slave_position); |
|
3097 return -EINVAL; |
|
3098 } |
|
3099 |
|
3100 // schedule request. |
|
3101 list_add_tail(&request.list, &request.slave->foe_requests); |
|
3102 |
|
3103 up(&master->master_sem); |
|
3104 |
|
3105 EC_SLAVE_DBG(request.slave, 1, "Scheduled FoE read request.\n"); |
|
3106 |
|
3107 // wait for processing through FSM |
|
3108 if (wait_event_interruptible(request.slave->foe_queue, |
|
3109 request.req.state != EC_INT_REQUEST_QUEUED)) { |
|
3110 // interrupted by signal |
|
3111 down(&master->master_sem); |
|
3112 if (request.req.state == EC_INT_REQUEST_QUEUED) { |
|
3113 list_del(&request.list); |
|
3114 up(&master->master_sem); |
|
3115 ec_foe_request_clear(&request.req); |
|
3116 return -EINTR; |
|
3117 } |
|
3118 // request already processing: interrupt not possible. |
|
3119 up(&master->master_sem); |
|
3120 } |
|
3121 |
|
3122 // wait until master FSM has finished processing |
|
3123 wait_event(request.slave->foe_queue, |
|
3124 request.req.state != EC_INT_REQUEST_BUSY); |
|
3125 |
|
3126 data.result = request.req.result; |
|
3127 data.error_code = request.req.error_code; |
|
3128 |
|
3129 EC_SLAVE_DBG(request.slave, 1, "Read %zd bytes via FoE" |
|
3130 " (result = 0x%x).\n", request.req.data_size, request.req.result); |
|
3131 |
|
3132 if (request.req.state != EC_INT_REQUEST_SUCCESS) { |
|
3133 data.data_size = 0; |
|
3134 retval = -EIO; |
|
3135 } else { |
|
3136 if (request.req.data_size > data.buffer_size) { |
|
3137 EC_MASTER_ERR(master, "Buffer too small.\n"); |
|
3138 ec_foe_request_clear(&request.req); |
|
3139 return -EOVERFLOW; |
|
3140 } |
|
3141 data.data_size = request.req.data_size; |
|
3142 if (copy_to_user((void __user *) data.buffer, |
|
3143 request.req.buffer, data.data_size)) { |
|
3144 ec_foe_request_clear(&request.req); |
|
3145 return -EFAULT; |
|
3146 } |
|
3147 retval = 0; |
|
3148 } |
|
3149 |
|
3150 if (__copy_to_user((void __user *) arg, &data, sizeof(data))) { |
|
3151 retval = -EFAULT; |
|
3152 } |
|
3153 |
|
3154 EC_SLAVE_DBG(request.slave, 1, "Finished FoE read request.\n"); |
|
3155 |
|
3156 ec_foe_request_clear(&request.req); |
|
3157 |
|
3158 return retval; |
|
3159 } |
|
3160 |
|
3161 /*****************************************************************************/ |
|
3162 |
|
3163 /** Write a file to a slave via FoE |
|
3164 */ |
|
3165 static int ec_ioctl_slave_foe_write( |
|
3166 ec_master_t *master, /**< EtherCAT master. */ |
|
3167 void *arg /**< ioctl() argument. */ |
|
3168 ) |
|
3169 { |
|
3170 ec_ioctl_slave_foe_t data; |
|
3171 ec_master_foe_request_t request; |
|
3172 int retval; |
|
3173 |
|
3174 if (copy_from_user(&data, (void __user *) arg, sizeof(data))) { |
|
3175 return -EFAULT; |
|
3176 } |
|
3177 |
|
3178 INIT_LIST_HEAD(&request.list); |
|
3179 |
|
3180 ec_foe_request_init(&request.req, data.file_name); |
|
3181 |
|
3182 if (ec_foe_request_alloc(&request.req, data.buffer_size)) { |
|
3183 ec_foe_request_clear(&request.req); |
|
3184 return -ENOMEM; |
|
3185 } |
|
3186 if (copy_from_user(request.req.buffer, |
|
3187 (void __user *) data.buffer, data.buffer_size)) { |
|
3188 ec_foe_request_clear(&request.req); |
|
3189 return -EFAULT; |
|
3190 } |
|
3191 request.req.data_size = data.buffer_size; |
|
3192 ec_foe_request_write(&request.req); |
|
3193 |
|
3194 if (down_interruptible(&master->master_sem)) { |
|
3195 ec_foe_request_clear(&request.req); |
|
3196 return -EINTR; |
|
3197 } |
|
3198 |
|
3199 if (!(request.slave = ec_master_find_slave( |
|
3200 master, 0, data.slave_position))) { |
|
3201 up(&master->master_sem); |
|
3202 EC_MASTER_ERR(master, "Slave %u does not exist!\n", |
|
3203 data.slave_position); |
|
3204 ec_foe_request_clear(&request.req); |
|
3205 return -EINVAL; |
|
3206 } |
|
3207 |
|
3208 EC_SLAVE_DBG(request.slave, 1, "Scheduling FoE write request.\n"); |
|
3209 |
|
3210 // schedule FoE write request. |
|
3211 list_add_tail(&request.list, &request.slave->foe_requests); |
|
3212 |
|
3213 up(&master->master_sem); |
|
3214 |
|
3215 // wait for processing through FSM |
|
3216 if (wait_event_interruptible(request.slave->foe_queue, |
|
3217 request.req.state != EC_INT_REQUEST_QUEUED)) { |
|
3218 // interrupted by signal |
|
3219 down(&master->master_sem); |
|
3220 if (request.req.state == EC_INT_REQUEST_QUEUED) { |
|
3221 // abort request |
|
3222 list_del(&request.list); |
|
3223 up(&master->master_sem); |
|
3224 ec_foe_request_clear(&request.req); |
|
3225 return -EINTR; |
|
3226 } |
|
3227 up(&master->master_sem); |
|
3228 } |
|
3229 |
|
3230 // wait until master FSM has finished processing |
|
3231 wait_event(request.slave->foe_queue, |
|
3232 request.req.state != EC_INT_REQUEST_BUSY); |
|
3233 |
|
3234 data.result = request.req.result; |
|
3235 data.error_code = request.req.error_code; |
|
3236 |
|
3237 retval = request.req.state == EC_INT_REQUEST_SUCCESS ? 0 : -EIO; |
|
3238 |
|
3239 if (__copy_to_user((void __user *) arg, &data, sizeof(data))) { |
|
3240 retval = -EFAULT; |
|
3241 } |
|
3242 |
|
3243 ec_foe_request_clear(&request.req); |
|
3244 |
|
3245 EC_SLAVE_DBG(request.slave, 1, "Finished FoE write request.\n"); |
|
3246 |
|
3247 return retval; |
|
3248 } |
|
3249 |
|
3250 /*****************************************************************************/ |
|
3251 |
|
3252 /** Read an SoE IDN. |
|
3253 */ |
|
3254 static int ec_ioctl_slave_soe_read( |
|
3255 ec_master_t *master, /**< EtherCAT master. */ |
|
3256 void *arg /**< ioctl() argument. */ |
|
3257 ) |
|
3258 { |
|
3259 ec_ioctl_slave_soe_read_t ioctl; |
|
3260 u8 *data; |
|
3261 int retval; |
|
3262 |
|
3263 if (copy_from_user(&ioctl, (void __user *) arg, sizeof(ioctl))) { |
|
3264 return -EFAULT; |
|
3265 } |
|
3266 |
|
3267 data = kmalloc(ioctl.mem_size, GFP_KERNEL); |
|
3268 if (!data) { |
|
3269 EC_MASTER_ERR(master, "Failed to allocate %u bytes of IDN data.\n", |
|
3270 ioctl.mem_size); |
|
3271 return -ENOMEM; |
|
3272 } |
|
3273 |
|
3274 retval = ecrt_master_read_idn(master, ioctl.slave_position, |
|
3275 ioctl.drive_no, ioctl.idn, data, ioctl.mem_size, &ioctl.data_size, |
|
3276 &ioctl.error_code); |
|
3277 if (retval) { |
|
3278 kfree(data); |
|
3279 return retval; |
|
3280 } |
|
3281 |
|
3282 if (copy_to_user((void __user *) ioctl.data, |
|
3283 data, ioctl.data_size)) { |
|
3284 kfree(data); |
|
3285 return -EFAULT; |
|
3286 } |
|
3287 kfree(data); |
|
3288 |
|
3289 if (__copy_to_user((void __user *) arg, &ioctl, sizeof(ioctl))) { |
|
3290 retval = -EFAULT; |
|
3291 } |
|
3292 |
|
3293 EC_MASTER_DBG(master, 1, "Finished SoE read request.\n"); |
|
3294 return retval; |
|
3295 } |
|
3296 |
|
3297 /*****************************************************************************/ |
|
3298 |
|
3299 /** Write an IDN to a slave via SoE. |
|
3300 */ |
|
3301 static int ec_ioctl_slave_soe_write( |
|
3302 ec_master_t *master, /**< EtherCAT master. */ |
|
3303 void *arg /**< ioctl() argument. */ |
|
3304 ) |
|
3305 { |
|
3306 ec_ioctl_slave_soe_write_t ioctl; |
|
3307 u8 *data; |
|
3308 int retval; |
|
3309 |
|
3310 if (copy_from_user(&ioctl, (void __user *) arg, sizeof(ioctl))) { |
|
3311 return -EFAULT; |
|
3312 } |
|
3313 |
|
3314 data = kmalloc(ioctl.data_size, GFP_KERNEL); |
|
3315 if (!data) { |
|
3316 EC_MASTER_ERR(master, "Failed to allocate %zu bytes of IDN data.\n", |
|
3317 ioctl.data_size); |
|
3318 return -ENOMEM; |
|
3319 } |
|
3320 if (copy_from_user(data, (void __user *) ioctl.data, ioctl.data_size)) { |
|
3321 kfree(data); |
|
3322 return -EFAULT; |
|
3323 } |
|
3324 |
|
3325 retval = ecrt_master_write_idn(master, ioctl.slave_position, |
|
3326 ioctl.drive_no, ioctl.idn, data, ioctl.data_size, |
|
3327 &ioctl.error_code); |
|
3328 kfree(data); |
|
3329 if (retval) { |
|
3330 return retval; |
|
3331 } |
|
3332 |
|
3333 if (__copy_to_user((void __user *) arg, &ioctl, sizeof(ioctl))) { |
|
3334 retval = -EFAULT; |
|
3335 } |
|
3336 |
|
3337 EC_MASTER_DBG(master, 1, "Finished SoE write request.\n"); |
|
3338 return retval; |
|
3339 } |
|
3340 |
|
3341 /*****************************************************************************/ |
|
3342 |
|
3343 #ifdef EC_IOCTL_RTDM |
|
3344 #define EC_IOCTL ec_ioctl_rtdm |
|
3345 #else |
|
3346 #define EC_IOCTL ec_ioctl |
|
3347 #endif |
|
3348 |
|
3349 /** Called when an ioctl() command is issued. |
|
3350 */ |
|
3351 long EC_IOCTL(ec_master_t *master, ec_ioctl_context_t *ctx, |
|
3352 unsigned int cmd, void *arg) |
|
3353 { |
|
3354 #if DEBUG_LATENCY |
|
3355 cycles_t a = get_cycles(), b; |
|
3356 unsigned int t; |
|
3357 #endif |
|
3358 int ret; |
|
3359 |
|
3360 switch (cmd) { |
|
3361 case EC_IOCTL_MODULE: |
|
3362 ret = ec_ioctl_module(arg); |
|
3363 break; |
|
3364 case EC_IOCTL_MASTER: |
|
3365 ret = ec_ioctl_master(master, arg); |
|
3366 break; |
|
3367 case EC_IOCTL_SLAVE: |
|
3368 ret = ec_ioctl_slave(master, arg); |
|
3369 break; |
|
3370 case EC_IOCTL_SLAVE_SYNC: |
|
3371 ret = ec_ioctl_slave_sync(master, arg); |
|
3372 break; |
|
3373 case EC_IOCTL_SLAVE_SYNC_PDO: |
|
3374 ret = ec_ioctl_slave_sync_pdo(master, arg); |
|
3375 break; |
|
3376 case EC_IOCTL_SLAVE_SYNC_PDO_ENTRY: |
|
3377 ret = ec_ioctl_slave_sync_pdo_entry(master, arg); |
|
3378 break; |
|
3379 case EC_IOCTL_DOMAIN: |
|
3380 ret = ec_ioctl_domain(master, arg); |
|
3381 break; |
|
3382 case EC_IOCTL_DOMAIN_FMMU: |
|
3383 ret = ec_ioctl_domain_fmmu(master, arg); |
|
3384 break; |
|
3385 case EC_IOCTL_DOMAIN_DATA: |
|
3386 ret = ec_ioctl_domain_data(master, arg); |
|
3387 break; |
|
3388 case EC_IOCTL_MASTER_DEBUG: |
|
3389 if (!ctx->writable) { |
|
3390 ret = -EPERM; |
|
3391 break; |
|
3392 } |
|
3393 ret = ec_ioctl_master_debug(master, arg); |
|
3394 break; |
|
3395 case EC_IOCTL_MASTER_RESCAN: |
|
3396 if (!ctx->writable) { |
|
3397 ret = -EPERM; |
|
3398 break; |
|
3399 } |
|
3400 ret = ec_ioctl_master_rescan(master, arg); |
|
3401 break; |
|
3402 case EC_IOCTL_SLAVE_STATE: |
|
3403 if (!ctx->writable) { |
|
3404 ret = -EPERM; |
|
3405 break; |
|
3406 } |
|
3407 ret = ec_ioctl_slave_state(master, arg); |
|
3408 break; |
|
3409 case EC_IOCTL_SLAVE_SDO: |
|
3410 ret = ec_ioctl_slave_sdo(master, arg); |
|
3411 break; |
|
3412 case EC_IOCTL_SLAVE_SDO_ENTRY: |
|
3413 ret = ec_ioctl_slave_sdo_entry(master, arg); |
|
3414 break; |
|
3415 case EC_IOCTL_SLAVE_SDO_UPLOAD: |
|
3416 ret = ec_ioctl_slave_sdo_upload(master, arg); |
|
3417 break; |
|
3418 case EC_IOCTL_SLAVE_SDO_DOWNLOAD: |
|
3419 if (!ctx->writable) { |
|
3420 ret = -EPERM; |
|
3421 break; |
|
3422 } |
|
3423 ret = ec_ioctl_slave_sdo_download(master, arg); |
|
3424 break; |
|
3425 case EC_IOCTL_SLAVE_SII_READ: |
|
3426 ret = ec_ioctl_slave_sii_read(master, arg); |
|
3427 break; |
|
3428 case EC_IOCTL_SLAVE_SII_WRITE: |
|
3429 if (!ctx->writable) { |
|
3430 ret = -EPERM; |
|
3431 break; |
|
3432 } |
|
3433 ret = ec_ioctl_slave_sii_write(master, arg); |
|
3434 break; |
|
3435 case EC_IOCTL_SLAVE_REG_READ: |
|
3436 ret = ec_ioctl_slave_reg_read(master, arg); |
|
3437 break; |
|
3438 case EC_IOCTL_SLAVE_REG_WRITE: |
|
3439 if (!ctx->writable) { |
|
3440 ret = -EPERM; |
|
3441 break; |
|
3442 } |
|
3443 ret = ec_ioctl_slave_reg_write(master, arg); |
|
3444 break; |
|
3445 case EC_IOCTL_SLAVE_FOE_READ: |
|
3446 ret = ec_ioctl_slave_foe_read(master, arg); |
|
3447 break; |
|
3448 case EC_IOCTL_SLAVE_FOE_WRITE: |
|
3449 if (!ctx->writable) { |
|
3450 ret = -EPERM; |
|
3451 break; |
|
3452 } |
|
3453 ret = ec_ioctl_slave_foe_write(master, arg); |
|
3454 break; |
|
3455 case EC_IOCTL_SLAVE_SOE_READ: |
|
3456 ret = ec_ioctl_slave_soe_read(master, arg); |
|
3457 break; |
|
3458 case EC_IOCTL_SLAVE_SOE_WRITE: |
|
3459 if (!ctx->writable) { |
|
3460 ret = -EPERM; |
|
3461 break; |
|
3462 } |
|
3463 ret = ec_ioctl_slave_soe_write(master, arg); |
|
3464 break; |
|
3465 case EC_IOCTL_CONFIG: |
|
3466 ret = ec_ioctl_config(master, arg); |
|
3467 break; |
|
3468 case EC_IOCTL_CONFIG_PDO: |
|
3469 ret = ec_ioctl_config_pdo(master, arg); |
|
3470 break; |
|
3471 case EC_IOCTL_CONFIG_PDO_ENTRY: |
|
3472 ret = ec_ioctl_config_pdo_entry(master, arg); |
|
3473 break; |
|
3474 case EC_IOCTL_CONFIG_SDO: |
|
3475 ret = ec_ioctl_config_sdo(master, arg); |
|
3476 break; |
|
3477 case EC_IOCTL_CONFIG_IDN: |
|
3478 ret = ec_ioctl_config_idn(master, arg); |
|
3479 break; |
|
3480 #ifdef EC_EOE |
|
3481 case EC_IOCTL_EOE_HANDLER: |
|
3482 ret = ec_ioctl_eoe_handler(master, arg); |
|
3483 break; |
|
3484 #endif |
|
3485 case EC_IOCTL_REQUEST: |
|
3486 if (!ctx->writable) { |
|
3487 ret = -EPERM; |
|
3488 break; |
|
3489 } |
|
3490 ret = ec_ioctl_request(master, arg, ctx); |
|
3491 break; |
|
3492 case EC_IOCTL_CREATE_DOMAIN: |
|
3493 if (!ctx->writable) { |
|
3494 ret = -EPERM; |
|
3495 break; |
|
3496 } |
|
3497 ret = ec_ioctl_create_domain(master, arg, ctx); |
|
3498 break; |
|
3499 case EC_IOCTL_CREATE_SLAVE_CONFIG: |
|
3500 if (!ctx->writable) { |
|
3501 ret = -EPERM; |
|
3502 break; |
|
3503 } |
|
3504 ret = ec_ioctl_create_slave_config(master, arg, ctx); |
|
3505 break; |
|
3506 case EC_IOCTL_ACTIVATE: |
|
3507 if (!ctx->writable) { |
|
3508 ret = -EPERM; |
|
3509 break; |
|
3510 } |
|
3511 ret = ec_ioctl_activate(master, arg, ctx); |
|
3512 break; |
|
3513 case EC_IOCTL_DEACTIVATE: |
|
3514 if (!ctx->writable) { |
|
3515 ret = -EPERM; |
|
3516 break; |
|
3517 } |
|
3518 ret = ec_ioctl_deactivate(master, arg, ctx); |
|
3519 break; |
|
3520 case EC_IOCTL_SEND: |
|
3521 if (!ctx->writable) { |
|
3522 ret = -EPERM; |
|
3523 break; |
|
3524 } |
|
3525 ret = ec_ioctl_send(master, arg, ctx); |
|
3526 break; |
|
3527 case EC_IOCTL_RECEIVE: |
|
3528 if (!ctx->writable) { |
|
3529 ret = -EPERM; |
|
3530 break; |
|
3531 } |
|
3532 ret = ec_ioctl_receive(master, arg, ctx); |
|
3533 break; |
|
3534 case EC_IOCTL_MASTER_STATE: |
|
3535 ret = ec_ioctl_master_state(master, arg, ctx); |
|
3536 break; |
|
3537 case EC_IOCTL_MASTER_LINK_STATE: |
|
3538 ret = ec_ioctl_master_link_state(master, arg, ctx); |
|
3539 break; |
|
3540 case EC_IOCTL_APP_TIME: |
|
3541 if (!ctx->writable) { |
|
3542 ret = -EPERM; |
|
3543 break; |
|
3544 } |
|
3545 ret = ec_ioctl_app_time(master, arg, ctx); |
|
3546 break; |
|
3547 case EC_IOCTL_SYNC_REF: |
|
3548 if (!ctx->writable) { |
|
3549 ret = -EPERM; |
|
3550 break; |
|
3551 } |
|
3552 ret = ec_ioctl_sync_ref(master, arg, ctx); |
|
3553 break; |
|
3554 case EC_IOCTL_SYNC_SLAVES: |
|
3555 if (!ctx->writable) { |
|
3556 ret = -EPERM; |
|
3557 break; |
|
3558 } |
|
3559 ret = ec_ioctl_sync_slaves(master, arg, ctx); |
|
3560 break; |
|
3561 case EC_IOCTL_SYNC_MON_QUEUE: |
|
3562 if (!ctx->writable) { |
|
3563 ret = -EPERM; |
|
3564 break; |
|
3565 } |
|
3566 ret = ec_ioctl_sync_mon_queue(master, arg, ctx); |
|
3567 break; |
|
3568 case EC_IOCTL_SYNC_MON_PROCESS: |
|
3569 if (!ctx->writable) { |
|
3570 ret = -EPERM; |
|
3571 break; |
|
3572 } |
|
3573 ret = ec_ioctl_sync_mon_process(master, arg, ctx); |
|
3574 break; |
|
3575 case EC_IOCTL_RESET: |
|
3576 if (!ctx->writable) { |
|
3577 ret = -EPERM; |
|
3578 break; |
|
3579 } |
|
3580 ret = ec_ioctl_reset(master, arg, ctx); |
|
3581 break; |
|
3582 case EC_IOCTL_SC_SYNC: |
|
3583 if (!ctx->writable) { |
|
3584 ret = -EPERM; |
|
3585 break; |
|
3586 } |
|
3587 ret = ec_ioctl_sc_sync(master, arg, ctx); |
|
3588 break; |
|
3589 case EC_IOCTL_SC_WATCHDOG: |
|
3590 if (!ctx->writable) { |
|
3591 ret = -EPERM; |
|
3592 break; |
|
3593 } |
|
3594 ret = ec_ioctl_sc_watchdog(master, arg, ctx); |
|
3595 break; |
|
3596 case EC_IOCTL_SC_ADD_PDO: |
|
3597 if (!ctx->writable) { |
|
3598 ret = -EPERM; |
|
3599 break; |
|
3600 } |
|
3601 ret = ec_ioctl_sc_add_pdo(master, arg, ctx); |
|
3602 break; |
|
3603 case EC_IOCTL_SC_CLEAR_PDOS: |
|
3604 if (!ctx->writable) { |
|
3605 ret = -EPERM; |
|
3606 break; |
|
3607 } |
|
3608 ret = ec_ioctl_sc_clear_pdos(master, arg, ctx); |
|
3609 break; |
|
3610 case EC_IOCTL_SC_ADD_ENTRY: |
|
3611 if (!ctx->writable) { |
|
3612 ret = -EPERM; |
|
3613 break; |
|
3614 } |
|
3615 ret = ec_ioctl_sc_add_entry(master, arg, ctx); |
|
3616 break; |
|
3617 case EC_IOCTL_SC_CLEAR_ENTRIES: |
|
3618 if (!ctx->writable) { |
|
3619 ret = -EPERM; |
|
3620 break; |
|
3621 } |
|
3622 ret = ec_ioctl_sc_clear_entries(master, arg, ctx); |
|
3623 break; |
|
3624 case EC_IOCTL_SC_REG_PDO_ENTRY: |
|
3625 if (!ctx->writable) { |
|
3626 ret = -EPERM; |
|
3627 break; |
|
3628 } |
|
3629 ret = ec_ioctl_sc_reg_pdo_entry(master, arg, ctx); |
|
3630 break; |
|
3631 case EC_IOCTL_SC_DC: |
|
3632 if (!ctx->writable) { |
|
3633 ret = -EPERM; |
|
3634 break; |
|
3635 } |
|
3636 ret = ec_ioctl_sc_dc(master, arg, ctx); |
|
3637 break; |
|
3638 case EC_IOCTL_SC_SDO: |
|
3639 if (!ctx->writable) { |
|
3640 ret = -EPERM; |
|
3641 break; |
|
3642 } |
|
3643 ret = ec_ioctl_sc_sdo(master, arg, ctx); |
|
3644 break; |
|
3645 case EC_IOCTL_SC_SDO_REQUEST: |
|
3646 if (!ctx->writable) { |
|
3647 ret = -EPERM; |
|
3648 break; |
|
3649 } |
|
3650 ret = ec_ioctl_sc_create_sdo_request(master, arg, ctx); |
|
3651 break; |
|
3652 case EC_IOCTL_SC_VOE: |
|
3653 if (!ctx->writable) { |
|
3654 ret = -EPERM; |
|
3655 break; |
|
3656 } |
|
3657 ret = ec_ioctl_sc_create_voe_handler(master, arg, ctx); |
|
3658 break; |
|
3659 case EC_IOCTL_SC_STATE: |
|
3660 ret = ec_ioctl_sc_state(master, arg, ctx); |
|
3661 break; |
|
3662 case EC_IOCTL_SC_IDN: |
|
3663 if (!ctx->writable) { |
|
3664 ret = -EPERM; |
|
3665 break; |
|
3666 } |
|
3667 ret = ec_ioctl_sc_idn(master, arg, ctx); |
|
3668 break; |
|
3669 case EC_IOCTL_DOMAIN_OFFSET: |
|
3670 ret = ec_ioctl_domain_offset(master, arg, ctx); |
|
3671 break; |
|
3672 case EC_IOCTL_DOMAIN_PROCESS: |
|
3673 if (!ctx->writable) { |
|
3674 ret = -EPERM; |
|
3675 break; |
|
3676 } |
|
3677 ret = ec_ioctl_domain_process(master, arg, ctx); |
|
3678 break; |
|
3679 case EC_IOCTL_DOMAIN_QUEUE: |
|
3680 if (!ctx->writable) { |
|
3681 ret = -EPERM; |
|
3682 break; |
|
3683 } |
|
3684 ret = ec_ioctl_domain_queue(master, arg, ctx); |
|
3685 break; |
|
3686 case EC_IOCTL_DOMAIN_STATE: |
|
3687 ret = ec_ioctl_domain_state(master, arg, ctx); |
|
3688 break; |
|
3689 case EC_IOCTL_SDO_REQUEST_TIMEOUT: |
|
3690 if (!ctx->writable) { |
|
3691 ret = -EPERM; |
|
3692 break; |
|
3693 } |
|
3694 ret = ec_ioctl_sdo_request_timeout(master, arg, ctx); |
|
3695 break; |
|
3696 case EC_IOCTL_SDO_REQUEST_STATE: |
|
3697 ret = ec_ioctl_sdo_request_state(master, arg, ctx); |
|
3698 break; |
|
3699 case EC_IOCTL_SDO_REQUEST_READ: |
|
3700 if (!ctx->writable) { |
|
3701 ret = -EPERM; |
|
3702 break; |
|
3703 } |
|
3704 ret = ec_ioctl_sdo_request_read(master, arg, ctx); |
|
3705 break; |
|
3706 case EC_IOCTL_SDO_REQUEST_WRITE: |
|
3707 if (!ctx->writable) { |
|
3708 ret = -EPERM; |
|
3709 break; |
|
3710 } |
|
3711 ret = ec_ioctl_sdo_request_write(master, arg, ctx); |
|
3712 break; |
|
3713 case EC_IOCTL_SDO_REQUEST_DATA: |
|
3714 ret = ec_ioctl_sdo_request_data(master, arg, ctx); |
|
3715 break; |
|
3716 case EC_IOCTL_VOE_SEND_HEADER: |
|
3717 if (!ctx->writable) { |
|
3718 ret = -EPERM; |
|
3719 break; |
|
3720 } |
|
3721 ret = ec_ioctl_voe_send_header(master, arg, ctx); |
|
3722 break; |
|
3723 case EC_IOCTL_VOE_REC_HEADER: |
|
3724 ret = ec_ioctl_voe_rec_header(master, arg, ctx); |
|
3725 break; |
|
3726 case EC_IOCTL_VOE_READ: |
|
3727 if (!ctx->writable) { |
|
3728 ret = -EPERM; |
|
3729 break; |
|
3730 } |
|
3731 ret = ec_ioctl_voe_read(master, arg, ctx); |
|
3732 break; |
|
3733 case EC_IOCTL_VOE_READ_NOSYNC: |
|
3734 if (!ctx->writable) { |
|
3735 ret = -EPERM; |
|
3736 break; |
|
3737 } |
|
3738 ret = ec_ioctl_voe_read_nosync(master, arg, ctx); |
|
3739 break; |
|
3740 case EC_IOCTL_VOE_WRITE: |
|
3741 if (!ctx->writable) { |
|
3742 ret = -EPERM; |
|
3743 break; |
|
3744 } |
|
3745 ret = ec_ioctl_voe_write(master, arg, ctx); |
|
3746 break; |
|
3747 case EC_IOCTL_VOE_EXEC: |
|
3748 if (!ctx->writable) { |
|
3749 ret = -EPERM; |
|
3750 break; |
|
3751 } |
|
3752 ret = ec_ioctl_voe_exec(master, arg, ctx); |
|
3753 break; |
|
3754 case EC_IOCTL_VOE_DATA: |
|
3755 ret = ec_ioctl_voe_data(master, arg, ctx); |
|
3756 break; |
|
3757 case EC_IOCTL_SET_SEND_INTERVAL: |
|
3758 if (!ctx->writable) { |
|
3759 ret = -EPERM; |
|
3760 break; |
|
3761 } |
|
3762 ret = ec_ioctl_set_send_interval(master, arg, ctx); |
|
3763 break; |
|
3764 default: |
|
3765 ret = -ENOTTY; |
|
3766 break; |
|
3767 } |
|
3768 |
|
3769 #if DEBUG_LATENCY |
|
3770 b = get_cycles(); |
|
3771 t = (unsigned int) ((b - a) * 1000LL) / cpu_khz; |
|
3772 if (t > 50) { |
|
3773 EC_MASTER_WARN(master, "ioctl(0x%02x) took %u us.\n", |
|
3774 _IOC_NR(cmd), t); |
|
3775 } |
|
3776 #endif |
|
3777 |
|
3778 return ret; |
|
3779 } |
|
3780 |
|
3781 /*****************************************************************************/ |