Changes in uspace/lib/usbdev/src/devpoll.c [58563585:56fd7cf] in mainline
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uspace/lib/usbdev/src/devpoll.c
r58563585 r56fd7cf 33 33 * USB device driver framework - automatic interrupt polling. 34 34 */ 35 36 #include <usb/dev/device.h>37 #include <usb/dev/pipes.h>38 35 #include <usb/dev/poll.h> 39 36 #include <usb/dev/request.h> 37 #include <usb/debug.h> 40 38 #include <usb/classes/classes.h> 41 #include <usb/debug.h> 42 #include <usb/descriptor.h> 43 #include <usb/usb.h> 44 39 #include <errno.h> 40 #include <str_error.h> 45 41 #include <assert.h> 46 #include <async.h>47 #include <errno.h>48 #include <fibril.h>49 #include <stdbool.h>50 #include <stdlib.h>51 #include <str_error.h>52 #include <sys/types.h>53 42 54 43 /** Maximum number of failed consecutive requests before announcing failure. */ … … 62 51 /** USB device to poll. */ 63 52 usb_device_t *dev; 64 /** Device enpoint mappingto use for polling. */65 usb_endpoint_mapping_t *polling_mapping;53 /** Device pipe to use for polling. */ 54 size_t pipe_index; 66 55 /** Size of the recieved data. */ 67 56 size_t request_size; … … 83 72 const usb_device_auto_polling_t *params = &data->auto_polling; 84 73 85 usb_pipe_t *pipe = &data->polling_mapping->pipe; 74 usb_pipe_t *pipe 75 = &data->dev->pipes[data->pipe_index].pipe; 86 76 87 77 if (params->debug > 0) { 88 const usb_endpoint_mapping_t *mapping =89 data->polling_mapping;90 usb_log_debug("Poll (%p): started polling of `%s' - " \78 const usb_endpoint_mapping_t *mapping 79 = &data->dev->pipes[data->pipe_index]; 80 usb_log_debug("Poll%p: started polling of `%s' - " \ 91 81 "interface %d (%s,%d,%d), %zuB/%zu.\n", 92 data, usb_device_get_name(data->dev),82 data, ddf_dev_get_name(data->dev->ddf_dev), 93 83 (int) mapping->interface->interface_number, 94 84 usb_str_class(mapping->interface->interface_class), … … 98 88 } 99 89 90 usb_pipe_start_long_transfer(pipe); 100 91 size_t failed_attempts = 0; 101 92 while (failed_attempts <= params->max_failures) { … … 104 95 data->request_size, &actual_size); 105 96 106 if ( rc == EOK) {107 if ( params->debug > 1) {97 if (params->debug > 1) { 98 if (rc == EOK) { 108 99 usb_log_debug( 109 100 "Poll%p: received: '%s' (%zuB).\n", … … 112 103 actual_size, 16), 113 104 actual_size); 114 } 115 } else { 105 } else { 116 106 usb_log_debug( 117 107 "Poll%p: polling failed: %s.\n", 118 108 data, str_error(rc)); 109 } 119 110 } 120 111 … … 126 117 */ 127 118 usb_request_clear_endpoint_halt( 128 usb_device_get_default_pipe(data->dev), 129 pipe->endpoint_no); 119 &data->dev->ctrl_pipe, pipe->endpoint_no); 130 120 } 131 121 … … 155 145 156 146 /* Take a rest before next request. */ 157 158 // FIXME TODO: This is broken, the time is in ms not us.159 // but first we need to fix drivers to actually stop using this,160 // since polling delay should be implemented in HC schedule161 147 async_usleep(params->delay); 162 148 } 149 150 usb_pipe_end_long_transfer(pipe); 163 151 164 152 const bool failed = failed_attempts > 0; … … 171 159 if (failed) { 172 160 usb_log_error("Polling of device `%s' terminated: " 173 "recurring failures.\n", 174 usb_device_get_name(data->dev));161 "recurring failures.\n", ddf_dev_get_name( 162 data->dev->ddf_dev)); 175 163 } else { 176 164 usb_log_debug("Polling of device `%s' terminated: " 177 "driver request.\n", 178 usb_device_get_name(data->dev));165 "driver request.\n", ddf_dev_get_name( 166 data->dev->ddf_dev)); 179 167 } 180 168 } … … 187 175 } 188 176 189 190 177 /** Start automatic device polling over interrupt in pipe. 191 178 * 192 * The polling settings is copied thus it is okay to destroy the structure193 * after this function returns.179 * @warning It is up to the callback to produce delays between individual 180 * requests. 194 181 * 195 182 * @warning There is no guarantee when the request to the device … … 198 185 * 199 186 * @param dev Device to be periodically polled. 200 * @param epm Endpoint mapping to use.201 * @param polling Polling settings.202 * @param request_size How many bytes to ask for in each request.203 * @param arg Custom argument (passed as is to the callbacks).204 * @return Error code.205 * @retval EOK New fibril polling the device was already started.206 */207 static int usb_device_auto_polling_internal(usb_device_t *dev,208 usb_endpoint_mapping_t *epm, const usb_device_auto_polling_t *polling,209 size_t request_size)210 {211 if ((dev == NULL) || (polling == NULL) || (polling->on_data == NULL)) {212 return EBADMEM;213 }214 215 if (request_size == 0)216 return EINVAL;217 218 if (!epm || (epm->pipe.transfer_type != USB_TRANSFER_INTERRUPT) ||219 (epm->pipe.direction != USB_DIRECTION_IN))220 return EINVAL;221 222 223 polling_data_t *polling_data = malloc(sizeof(polling_data_t));224 if (polling_data == NULL) {225 return ENOMEM;226 }227 228 /* Fill-in the data. */229 polling_data->buffer = malloc(sizeof(request_size));230 if (polling_data->buffer == NULL) {231 free(polling_data);232 return ENOMEM;233 }234 polling_data->request_size = request_size;235 polling_data->dev = dev;236 polling_data->polling_mapping = epm;237 238 /* Copy provided settings. */239 polling_data->auto_polling = *polling;240 241 /* Negative value means use descriptor provided value. */242 if (polling->delay < 0) {243 polling_data->auto_polling.delay =244 epm->descriptor->poll_interval;245 }246 247 fid_t fibril = fibril_create(polling_fibril, polling_data);248 if (fibril == 0) {249 free(polling_data->buffer);250 free(polling_data);251 return ENOMEM;252 }253 fibril_add_ready(fibril);254 255 /* Fibril launched. That fibril will free the allocated data. */256 257 return EOK;258 }259 /** Start automatic device polling over interrupt in pipe.260 *261 * The polling settings is copied thus it is okay to destroy the structure262 * after this function returns.263 *264 * @warning There is no guarantee when the request to the device265 * will be sent for the first time (it is possible that this266 * first request would be executed prior to return from this function).267 *268 * @param dev Device to be periodically polled.269 187 * @param pipe_index Index of the endpoint pipe used for polling. 270 * @param polling Polling settings.271 * @param req_size How many bytes to ask for in each request.272 * @param arg Custom argument (passed as is to the callbacks).273 * @return Error code.274 * @retval EOK New fibril polling the device was already started.275 */276 int usb_device_auto_polling(usb_device_t *usb_dev, usb_endpoint_t ep,277 const usb_device_auto_polling_t *polling, size_t req_size)278 {279 usb_endpoint_mapping_t *epm = usb_device_get_mapped_ep(usb_dev, ep);280 return usb_device_auto_polling_internal(usb_dev, epm, polling, req_size);281 }282 283 /** Start automatic device polling over interrupt in pipe.284 *285 * @warning It is up to the callback to produce delays between individual286 * requests.287 *288 * @warning There is no guarantee when the request to the device289 * will be sent for the first time (it is possible that this290 * first request would be executed prior to return from this function).291 *292 * @param dev Device to be periodically polled.293 * @param ep Endpoint used for polling.294 188 * @param callback Callback when data are available. 295 189 * @param request_size How many bytes to ask for in each request. 296 * @param delay NUmber of ms to wait between queries, -1 to use descriptor val.297 190 * @param terminated_callback Callback when polling is terminated. 298 191 * @param arg Custom argument (passed as is to the callbacks). … … 300 193 * @retval EOK New fibril polling the device was already started. 301 194 */ 302 int usb_device_auto_poll(usb_device_t *dev, usb_endpoint_t ep,303 usb_polling_callback_t callback, size_t request_size, int delay,195 int usb_device_auto_poll(usb_device_t *dev, size_t pipe_index, 196 usb_polling_callback_t callback, size_t request_size, 304 197 usb_polling_terminted_callback_t terminated_callback, void *arg) 305 198 { … … 307 200 .debug = 1, 308 201 .auto_clear_halt = true, 309 .delay = delay,202 .delay = 0, 310 203 .max_failures = MAX_FAILED_ATTEMPTS, 311 204 .on_data = callback, … … 315 208 }; 316 209 317 usb_endpoint_mapping_t *epm = usb_device_get_mapped_ep(dev, ep); 318 return usb_device_auto_polling_internal( 319 dev, epm, &auto_polling, request_size); 210 return usb_device_auto_polling(dev, pipe_index, &auto_polling, 211 request_size); 320 212 } 321 213 322 int usb_device_auto_polling_desc(usb_device_t *usb_dev, 323 const usb_endpoint_description_t *desc, 324 const usb_device_auto_polling_t *polling, size_t req_size) 214 /** Start automatic device polling over interrupt in pipe. 215 * 216 * The polling settings is copied thus it is okay to destroy the structure 217 * after this function returns. 218 * 219 * @warning There is no guarantee when the request to the device 220 * will be sent for the first time (it is possible that this 221 * first request would be executed prior to return from this function). 222 * 223 * @param dev Device to be periodically polled. 224 * @param pipe_index Index of the endpoint pipe used for polling. 225 * @param polling Polling settings. 226 * @param request_size How many bytes to ask for in each request. 227 * @param arg Custom argument (passed as is to the callbacks). 228 * @return Error code. 229 * @retval EOK New fibril polling the device was already started. 230 */ 231 int usb_device_auto_polling(usb_device_t *dev, size_t pipe_index, 232 const usb_device_auto_polling_t *polling, 233 size_t request_size) 325 234 { 326 usb_endpoint_mapping_t *epm = 327 usb_device_get_mapped_ep_desc(usb_dev, desc); 328 return usb_device_auto_polling_internal(usb_dev, epm, polling, req_size); 329 } 330 331 int usb_device_auto_poll_desc(usb_device_t * usb_dev, 332 const usb_endpoint_description_t *desc, usb_polling_callback_t callback, 333 size_t req_size, int delay, 334 usb_polling_terminted_callback_t terminated_callback, void *arg) 335 { 336 const usb_device_auto_polling_t auto_polling = { 337 .debug = 1, 338 .auto_clear_halt = true, 339 .delay = delay, 340 .max_failures = MAX_FAILED_ATTEMPTS, 341 .on_data = callback, 342 .on_polling_end = terminated_callback, 343 .on_error = NULL, 344 .arg = arg, 345 }; 346 347 usb_endpoint_mapping_t *epm = 348 usb_device_get_mapped_ep_desc(usb_dev, desc); 349 return usb_device_auto_polling_internal( 350 usb_dev, epm, &auto_polling, req_size); 235 if ((dev == NULL) || (polling == NULL) || (polling->on_data == NULL)) { 236 return EBADMEM; 237 } 238 239 if (pipe_index >= dev->pipes_count || request_size == 0) { 240 return EINVAL; 241 } 242 if ((dev->pipes[pipe_index].pipe.transfer_type != USB_TRANSFER_INTERRUPT) 243 || (dev->pipes[pipe_index].pipe.direction != USB_DIRECTION_IN)) { 244 return EINVAL; 245 } 246 247 polling_data_t *polling_data = malloc(sizeof(polling_data_t)); 248 if (polling_data == NULL) { 249 return ENOMEM; 250 } 251 252 /* Fill-in the data. */ 253 polling_data->buffer = malloc(sizeof(request_size)); 254 if (polling_data->buffer == NULL) { 255 free(polling_data); 256 return ENOMEM; 257 } 258 polling_data->request_size = request_size; 259 polling_data->dev = dev; 260 polling_data->pipe_index = pipe_index; 261 262 /* Copy provided settings. */ 263 polling_data->auto_polling = *polling; 264 265 /* Negative value means use descriptor provided value. */ 266 if (polling->delay < 0) { 267 polling_data->auto_polling.delay = 268 (int) dev->pipes[pipe_index].descriptor->poll_interval; 269 } 270 271 fid_t fibril = fibril_create(polling_fibril, polling_data); 272 if (fibril == 0) { 273 free(polling_data->buffer); 274 free(polling_data); 275 return ENOMEM; 276 } 277 fibril_add_ready(fibril); 278 279 /* Fibril launched. That fibril will free the allocated data. */ 280 281 return EOK; 351 282 } 352 283
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