Dan Williams | 6f231dd | 2011-07-02 22:56:22 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * This file is provided under a dual BSD/GPLv2 license. When using or |
| 3 | * redistributing this file, you may do so under either license. |
| 4 | * |
| 5 | * GPL LICENSE SUMMARY |
| 6 | * |
| 7 | * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of version 2 of the GNU General Public License as |
| 11 | * published by the Free Software Foundation. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, but |
| 14 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 16 | * General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. |
| 21 | * The full GNU General Public License is included in this distribution |
| 22 | * in the file called LICENSE.GPL. |
| 23 | * |
| 24 | * BSD LICENSE |
| 25 | * |
| 26 | * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. |
| 27 | * All rights reserved. |
| 28 | * |
| 29 | * Redistribution and use in source and binary forms, with or without |
| 30 | * modification, are permitted provided that the following conditions |
| 31 | * are met: |
| 32 | * |
| 33 | * * Redistributions of source code must retain the above copyright |
| 34 | * notice, this list of conditions and the following disclaimer. |
| 35 | * * Redistributions in binary form must reproduce the above copyright |
| 36 | * notice, this list of conditions and the following disclaimer in |
| 37 | * the documentation and/or other materials provided with the |
| 38 | * distribution. |
| 39 | * * Neither the name of Intel Corporation nor the names of its |
| 40 | * contributors may be used to endorse or promote products derived |
| 41 | * from this software without specific prior written permission. |
| 42 | * |
| 43 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 44 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 45 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 46 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 47 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 48 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 49 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 50 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 51 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 52 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 53 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 54 | */ |
| 55 | |
| 56 | |
| 57 | /** |
| 58 | * This file contains isci module object implementation. |
| 59 | * |
| 60 | * |
| 61 | */ |
| 62 | |
| 63 | #include "isci.h" |
| 64 | #include "request.h" |
| 65 | #include "sata.h" |
| 66 | #include "task.h" |
| 67 | |
| 68 | /** |
| 69 | * scic_cb_timer_create() - This callback method asks the user to create a |
| 70 | * timer and provide a handle for this timer for use in further timer |
| 71 | * interactions. The appropriate isci timer object function is called to |
| 72 | * create a timer object. |
| 73 | * @timer_callback: This parameter specifies the callback method to be invoked |
| 74 | * whenever the timer expires. |
| 75 | * @controller: This parameter specifies the controller with which this timer |
| 76 | * is to be associated. |
| 77 | * @cookie: This parameter specifies a piece of information that the user must |
| 78 | * retain. This cookie is to be supplied by the user anytime a timeout |
| 79 | * occurs for the created timer. |
| 80 | * |
| 81 | * This method returns a handle to a timer object created by the user. The |
| 82 | * handle will be utilized for all further interactions relating to this timer. |
| 83 | */ |
| 84 | void *scic_cb_timer_create( |
| 85 | struct scic_sds_controller *controller, |
| 86 | void (*timer_callback)(void *), |
| 87 | void *cookie) |
| 88 | { |
| 89 | struct isci_host *isci_host; |
| 90 | struct isci_timer *timer = NULL; |
| 91 | |
| 92 | isci_host = (struct isci_host *)sci_object_get_association(controller); |
| 93 | |
| 94 | dev_dbg(&isci_host->pdev->dev, |
| 95 | "%s: isci_host = %p", |
| 96 | __func__, isci_host); |
| 97 | |
| 98 | timer = isci_timer_create(&isci_host->timer_list_struct, |
| 99 | isci_host, |
| 100 | cookie, |
| 101 | timer_callback); |
| 102 | |
| 103 | dev_dbg(&isci_host->pdev->dev, "%s: timer = %p\n", __func__, timer); |
| 104 | |
| 105 | return (void *)timer; |
| 106 | } |
| 107 | |
| 108 | |
| 109 | /** |
| 110 | * scic_cb_timer_start() - This callback method asks the user to start the |
| 111 | * supplied timer. The appropriate isci timer object function is called to |
| 112 | * start the timer. |
| 113 | * @controller: This parameter specifies the controller with which this timer |
| 114 | * is to associated. |
| 115 | * @timer: This parameter specifies the timer to be started. |
| 116 | * @milliseconds: This parameter specifies the number of milliseconds for which |
| 117 | * to stall. The operating system driver is allowed to round this value up |
| 118 | * where necessary. |
| 119 | * |
| 120 | */ |
| 121 | void scic_cb_timer_start( |
| 122 | struct scic_sds_controller *controller, |
| 123 | void *timer, |
| 124 | u32 milliseconds) |
| 125 | { |
| 126 | struct isci_host *isci_host; |
| 127 | |
| 128 | isci_host = |
| 129 | (struct isci_host *)sci_object_get_association(controller); |
| 130 | |
| 131 | dev_dbg(&isci_host->pdev->dev, |
| 132 | "%s: isci_host = %p, timer = %p, milliseconds = %d\n", |
| 133 | __func__, isci_host, timer, milliseconds); |
| 134 | |
| 135 | isci_timer_start((struct isci_timer *)timer, milliseconds); |
| 136 | |
| 137 | } |
| 138 | |
| 139 | /** |
| 140 | * scic_cb_timer_stop() - This callback method asks the user to stop the |
| 141 | * supplied timer. The appropriate isci timer object function is called to |
| 142 | * stop the timer. |
| 143 | * @controller: This parameter specifies the controller with which this timer |
| 144 | * is to associated. |
| 145 | * @timer: This parameter specifies the timer to be stopped. |
| 146 | * |
| 147 | */ |
| 148 | void scic_cb_timer_stop( |
| 149 | struct scic_sds_controller *controller, |
| 150 | void *timer) |
| 151 | { |
| 152 | struct isci_host *isci_host; |
| 153 | |
| 154 | isci_host = |
| 155 | (struct isci_host *)sci_object_get_association(controller); |
| 156 | |
| 157 | dev_dbg(&isci_host->pdev->dev, |
| 158 | "%s: isci_host = %p, timer = %p\n", |
| 159 | __func__, isci_host, timer); |
| 160 | |
| 161 | isci_timer_stop((struct isci_timer *)timer); |
| 162 | } |
| 163 | |
| 164 | /** |
| 165 | * scic_cb_controller_start_complete() - This user callback will inform the |
| 166 | * user that the controller has finished the start process. The associated |
| 167 | * isci host adapter's start_complete function is called. |
| 168 | * @controller: This parameter specifies the controller that was started. |
| 169 | * @completion_status: This parameter specifies the results of the start |
| 170 | * operation. SCI_SUCCESS indicates successful completion. |
| 171 | * |
| 172 | */ |
| 173 | void scic_cb_controller_start_complete( |
| 174 | struct scic_sds_controller *controller, |
| 175 | enum sci_status completion_status) |
| 176 | { |
| 177 | struct isci_host *isci_host = |
| 178 | (struct isci_host *)sci_object_get_association(controller); |
| 179 | |
| 180 | dev_dbg(&isci_host->pdev->dev, |
| 181 | "%s: isci_host = %p\n", __func__, isci_host); |
| 182 | |
| 183 | isci_host_start_complete(isci_host, completion_status); |
| 184 | } |
| 185 | |
| 186 | /** |
| 187 | * scic_cb_controller_stop_complete() - This user callback will inform the user |
| 188 | * that the controller has finished the stop process. The associated isci |
| 189 | * host adapter's start_complete function is called. |
| 190 | * @controller: This parameter specifies the controller that was stopped. |
| 191 | * @completion_status: This parameter specifies the results of the stop |
| 192 | * operation. SCI_SUCCESS indicates successful completion. |
| 193 | * |
| 194 | */ |
| 195 | void scic_cb_controller_stop_complete( |
| 196 | struct scic_sds_controller *controller, |
| 197 | enum sci_status completion_status) |
| 198 | { |
| 199 | struct isci_host *isci_host = |
| 200 | (struct isci_host *)sci_object_get_association(controller); |
| 201 | |
| 202 | dev_dbg(&isci_host->pdev->dev, |
| 203 | "%s: status = 0x%x\n", __func__, completion_status); |
| 204 | isci_host_stop_complete(isci_host, completion_status); |
| 205 | } |
| 206 | |
| 207 | /** |
| 208 | * scic_cb_io_request_complete() - This user callback will inform the user that |
| 209 | * an IO request has completed. |
| 210 | * @controller: This parameter specifies the controller on which the IO is |
| 211 | * completing. |
| 212 | * @remote_device: This parameter specifies the remote device on which this IO |
| 213 | * request is completing. |
| 214 | * @io_request: This parameter specifies the IO request that has completed. |
| 215 | * @completion_status: This parameter specifies the results of the IO request |
| 216 | * operation. SCI_SUCCESS indicates successful completion. |
| 217 | * |
| 218 | */ |
| 219 | void scic_cb_io_request_complete( |
| 220 | struct scic_sds_controller *controller, |
| 221 | struct scic_sds_remote_device *remote_device, |
| 222 | struct scic_sds_request *scic_io_request, |
| 223 | enum sci_io_status completion_status) |
| 224 | { |
| 225 | struct isci_request *request; |
| 226 | struct isci_host *isci_host; |
| 227 | |
| 228 | isci_host = |
| 229 | (struct isci_host *)sci_object_get_association(controller); |
| 230 | |
| 231 | request = |
| 232 | (struct isci_request *)sci_object_get_association( |
| 233 | scic_io_request |
| 234 | ); |
| 235 | |
| 236 | isci_request_io_request_complete(isci_host, |
| 237 | request, |
| 238 | completion_status); |
| 239 | } |
| 240 | |
| 241 | /** |
| 242 | * scic_cb_task_request_complete() - This user callback will inform the user |
| 243 | * that a task management request completed. |
| 244 | * @controller: This parameter specifies the controller on which the task |
| 245 | * management request is completing. |
| 246 | * @remote_device: This parameter specifies the remote device on which this |
| 247 | * task management request is completing. |
| 248 | * @task_request: This parameter specifies the task management request that has |
| 249 | * completed. |
| 250 | * @completion_status: This parameter specifies the results of the IO request |
| 251 | * operation. SCI_SUCCESS indicates successful completion. |
| 252 | * |
| 253 | */ |
| 254 | void scic_cb_task_request_complete( |
| 255 | struct scic_sds_controller *controller, |
| 256 | struct scic_sds_remote_device *remote_device, |
| 257 | struct scic_sds_request *scic_task_request, |
| 258 | enum sci_task_status completion_status) |
| 259 | { |
| 260 | struct isci_request *request; |
| 261 | struct isci_host *isci_host; |
| 262 | |
| 263 | isci_host = |
| 264 | (struct isci_host *)sci_object_get_association(controller); |
| 265 | |
| 266 | request = |
| 267 | (struct isci_request *)sci_object_get_association( |
| 268 | scic_task_request); |
| 269 | |
| 270 | isci_task_request_complete(isci_host, request, completion_status); |
| 271 | } |
| 272 | |
| 273 | /** |
| 274 | * scic_cb_port_stop_complete() - This method informs the user when a stop |
| 275 | * operation on the port has completed. |
| 276 | * @controller: This parameter represents the controller which contains the |
| 277 | * port. |
| 278 | * @port: This parameter specifies the SCI port object for which the callback |
| 279 | * is being invoked. |
| 280 | * @completion_status: This parameter specifies the status for the operation |
| 281 | * being completed. |
| 282 | * |
| 283 | */ |
| 284 | void scic_cb_port_stop_complete( |
| 285 | struct scic_sds_controller *controller, |
| 286 | struct scic_sds_port *port, |
| 287 | enum sci_status completion_status) |
| 288 | { |
| 289 | pr_warn("%s:************************************************\n", |
| 290 | __func__); |
| 291 | } |
| 292 | |
| 293 | /** |
| 294 | * scic_cb_port_hard_reset_complete() - This method informs the user when a |
| 295 | * hard reset on the port has completed. This hard reset could have been |
| 296 | * initiated by the user or by the remote port. |
| 297 | * @controller: This parameter represents the controller which contains the |
| 298 | * port. |
| 299 | * @port: This parameter specifies the SCI port object for which the callback |
| 300 | * is being invoked. |
| 301 | * @completion_status: This parameter specifies the status for the operation |
| 302 | * being completed. |
| 303 | * |
| 304 | */ |
| 305 | void scic_cb_port_hard_reset_complete( |
| 306 | struct scic_sds_controller *controller, |
| 307 | struct scic_sds_port *port, |
| 308 | enum sci_status completion_status) |
| 309 | { |
| 310 | struct isci_port *isci_port |
| 311 | = (struct isci_port *)sci_object_get_association(port); |
| 312 | |
| 313 | isci_port_hard_reset_complete(isci_port, completion_status); |
| 314 | } |
| 315 | |
| 316 | /** |
| 317 | * scic_cb_port_ready() - This method informs the user that the port is now in |
| 318 | * a ready state and can be utilized to issue IOs. |
| 319 | * @controller: This parameter represents the controller which contains the |
| 320 | * port. |
| 321 | * @port: This parameter specifies the SCI port object for which the callback |
| 322 | * is being invoked. |
| 323 | * |
| 324 | */ |
| 325 | void scic_cb_port_ready( |
| 326 | struct scic_sds_controller *controller, |
| 327 | struct scic_sds_port *port) |
| 328 | { |
| 329 | struct isci_port *isci_port; |
| 330 | struct isci_host *isci_host; |
| 331 | |
| 332 | isci_host = |
| 333 | (struct isci_host *)sci_object_get_association(controller); |
| 334 | |
| 335 | isci_port = |
| 336 | (struct isci_port *)sci_object_get_association(port); |
| 337 | |
| 338 | dev_dbg(&isci_host->pdev->dev, |
| 339 | "%s: isci_port = %p\n", __func__, isci_port); |
| 340 | |
| 341 | isci_port_ready(isci_host, isci_port); |
| 342 | } |
| 343 | |
| 344 | /** |
| 345 | * scic_cb_port_not_ready() - This method informs the user that the port is now |
| 346 | * not in a ready (i.e. busy) state and can't be utilized to issue IOs. |
| 347 | * @controller: This parameter represents the controller which contains the |
| 348 | * port. |
| 349 | * @port: This parameter specifies the SCI port object for which the callback |
| 350 | * is being invoked. |
| 351 | * |
| 352 | */ |
| 353 | void scic_cb_port_not_ready( |
| 354 | struct scic_sds_controller *controller, |
| 355 | struct scic_sds_port *port, |
| 356 | u32 reason_code) |
| 357 | { |
| 358 | struct isci_port *isci_port; |
| 359 | struct isci_host *isci_host; |
| 360 | |
| 361 | isci_host = |
| 362 | (struct isci_host *)sci_object_get_association(controller); |
| 363 | |
| 364 | isci_port = |
| 365 | (struct isci_port *)sci_object_get_association(port); |
| 366 | |
| 367 | dev_dbg(&isci_host->pdev->dev, |
| 368 | "%s: isci_port = %p\n", __func__, isci_port); |
| 369 | |
| 370 | isci_port_not_ready(isci_host, isci_port); |
| 371 | } |
| 372 | |
| 373 | /** |
| 374 | * scic_cb_port_invalid_link_up() - This method informs the SCI Core user that |
| 375 | * a phy/link became ready, but the phy is not allowed in the port. In some |
| 376 | * situations the underlying hardware only allows for certain phy to port |
| 377 | * mappings. If these mappings are violated, then this API is invoked. |
| 378 | * @controller: This parameter represents the controller which contains the |
| 379 | * port. |
| 380 | * @port: This parameter specifies the SCI port object for which the callback |
| 381 | * is being invoked. |
| 382 | * @phy: This parameter specifies the phy that came ready, but the phy can't be |
| 383 | * a valid member of the port. |
| 384 | * |
| 385 | */ |
| 386 | void scic_cb_port_invalid_link_up( |
| 387 | struct scic_sds_controller *controller, |
| 388 | struct scic_sds_port *port, |
| 389 | struct scic_sds_phy *phy) |
| 390 | { |
| 391 | pr_warn("%s:************************************************\n", |
| 392 | __func__); |
| 393 | } |
| 394 | |
| 395 | /** |
| 396 | * scic_cb_port_bc_change_primitive_received() - This callback method informs |
| 397 | * the user that a broadcast change primitive was received. |
| 398 | * @controller: This parameter represents the controller which contains the |
| 399 | * port. |
| 400 | * @port: This parameter specifies the SCI port object for which the callback |
| 401 | * is being invoked. For instances where the phy on which the primitive was |
| 402 | * received is not part of a port, this parameter will be |
| 403 | * SCI_INVALID_HANDLE_T. |
| 404 | * @phy: This parameter specifies the phy on which the primitive was received. |
| 405 | * |
| 406 | */ |
| 407 | void scic_cb_port_bc_change_primitive_received( |
| 408 | struct scic_sds_controller *controller, |
| 409 | struct scic_sds_port *port, |
| 410 | struct scic_sds_phy *phy) |
| 411 | { |
| 412 | struct isci_host *isci_host; |
| 413 | |
| 414 | isci_host = |
| 415 | (struct isci_host *)sci_object_get_association(controller); |
| 416 | |
| 417 | dev_dbg(&isci_host->pdev->dev, |
| 418 | "%s: port = %p, phy = %p\n", __func__, port, phy); |
| 419 | isci_port_bc_change_received(isci_host, port, phy); |
| 420 | } |
| 421 | |
| 422 | |
| 423 | |
| 424 | |
| 425 | /** |
| 426 | * scic_cb_port_link_up() - This callback method informs the user that a phy |
| 427 | * has become operational and is capable of communicating with the remote |
| 428 | * end point. |
| 429 | * @controller: This parameter represents the controller associated with the |
| 430 | * phy. |
| 431 | * @port: This parameter specifies the port object for which the user callback |
| 432 | * is being invoked. There may be conditions where this parameter can be |
| 433 | * SCI_INVALID_HANDLE |
| 434 | * @phy: This parameter specifies the phy object for which the user callback is |
| 435 | * being invoked. |
| 436 | * |
| 437 | * none. |
| 438 | */ |
| 439 | void scic_cb_port_link_up( |
| 440 | struct scic_sds_controller *controller, |
| 441 | struct scic_sds_port *port, |
| 442 | struct scic_sds_phy *phy) |
| 443 | { |
| 444 | struct isci_host *isci_host; |
| 445 | |
| 446 | isci_host = |
| 447 | (struct isci_host *)sci_object_get_association(controller); |
| 448 | |
| 449 | dev_dbg(&isci_host->pdev->dev, |
| 450 | "%s: phy = %p\n", __func__, phy); |
| 451 | |
| 452 | isci_port_link_up(isci_host, port, phy); |
| 453 | } |
| 454 | |
| 455 | /** |
| 456 | * scic_cb_port_link_down() - This callback method informs the user that a phy |
| 457 | * is no longer operational and is not capable of communicating with the |
| 458 | * remote end point. |
| 459 | * @controller: This parameter represents the controller associated with the |
| 460 | * phy. |
| 461 | * @port: This parameter specifies the port object for which the user callback |
| 462 | * is being invoked. There may be conditions where this parameter can be |
| 463 | * SCI_INVALID_HANDLE |
| 464 | * @phy: This parameter specifies the phy object for which the user callback is |
| 465 | * being invoked. |
| 466 | * |
| 467 | * none. |
| 468 | */ |
| 469 | void scic_cb_port_link_down( |
| 470 | struct scic_sds_controller *controller, |
| 471 | struct scic_sds_port *port, |
| 472 | struct scic_sds_phy *phy) |
| 473 | { |
| 474 | struct isci_host *isci_host; |
| 475 | struct isci_phy *isci_phy; |
| 476 | struct isci_port *isci_port; |
| 477 | |
| 478 | isci_host = |
| 479 | (struct isci_host *)sci_object_get_association(controller); |
| 480 | |
| 481 | isci_phy = |
| 482 | (struct isci_phy *)sci_object_get_association(phy); |
| 483 | |
| 484 | isci_port = |
| 485 | (struct isci_port *)sci_object_get_association(port); |
| 486 | |
| 487 | dev_dbg(&isci_host->pdev->dev, |
| 488 | "%s: isci_port = %p\n", __func__, isci_port); |
| 489 | |
| 490 | isci_port_link_down(isci_host, isci_phy, isci_port); |
| 491 | } |
| 492 | |
| 493 | /** |
| 494 | * scic_cb_remote_device_start_complete() - This user callback method will |
| 495 | * inform the user that a start operation has completed. |
| 496 | * @controller: This parameter specifies the core controller associated with |
| 497 | * the completion callback. |
| 498 | * @remote_device: This parameter specifies the remote device associated with |
| 499 | * the completion callback. |
| 500 | * @completion_status: This parameter specifies the completion status for the |
| 501 | * operation. |
| 502 | * |
| 503 | */ |
| 504 | void scic_cb_remote_device_start_complete( |
| 505 | struct scic_sds_controller *controller, |
| 506 | struct scic_sds_remote_device *remote_device, |
| 507 | enum sci_status completion_status) |
| 508 | { |
| 509 | struct isci_host *isci_host; |
| 510 | struct isci_remote_device *isci_device; |
| 511 | |
| 512 | isci_host = |
| 513 | (struct isci_host *)sci_object_get_association(controller); |
| 514 | |
| 515 | isci_device = |
| 516 | (struct isci_remote_device *)sci_object_get_association( |
| 517 | remote_device |
| 518 | ); |
| 519 | |
| 520 | dev_dbg(&isci_host->pdev->dev, |
| 521 | "%s: isci_device = %p\n", __func__, isci_device); |
| 522 | |
| 523 | isci_remote_device_start_complete( |
| 524 | isci_host, isci_device, completion_status); |
| 525 | |
| 526 | } |
| 527 | |
| 528 | /** |
| 529 | * scic_cb_remote_device_stop_complete() - This user callback method will |
| 530 | * inform the user that a stop operation has completed. |
| 531 | * @controller: This parameter specifies the core controller associated with |
| 532 | * the completion callback. |
| 533 | * @remote_device: This parameter specifies the remote device associated with |
| 534 | * the completion callback. |
| 535 | * @completion_status: This parameter specifies the completion status for the |
| 536 | * operation. |
| 537 | * |
| 538 | */ |
| 539 | void scic_cb_remote_device_stop_complete( |
| 540 | struct scic_sds_controller *controller, |
| 541 | struct scic_sds_remote_device *remote_device, |
| 542 | enum sci_status completion_status) |
| 543 | { |
| 544 | struct isci_host *isci_host; |
| 545 | struct isci_remote_device *isci_device; |
| 546 | |
| 547 | isci_host = |
| 548 | (struct isci_host *)sci_object_get_association(controller); |
| 549 | |
| 550 | isci_device = |
| 551 | (struct isci_remote_device *)sci_object_get_association( |
| 552 | remote_device |
| 553 | ); |
| 554 | |
| 555 | dev_dbg(&isci_host->pdev->dev, |
| 556 | "%s: isci_device = %p\n", __func__, isci_device); |
| 557 | |
| 558 | isci_remote_device_stop_complete( |
| 559 | isci_host, isci_device, completion_status); |
| 560 | |
| 561 | } |
| 562 | |
| 563 | /** |
| 564 | * scic_cb_remote_device_ready() - This user callback method will inform the |
| 565 | * user that a remote device is now capable of handling IO requests. |
| 566 | * @controller: This parameter specifies the core controller associated with |
| 567 | * the completion callback. |
| 568 | * @remote_device: This parameter specifies the remote device associated with |
| 569 | * the callback. |
| 570 | * |
| 571 | */ |
| 572 | void scic_cb_remote_device_ready( |
| 573 | struct scic_sds_controller *controller, |
| 574 | struct scic_sds_remote_device *remote_device) |
| 575 | { |
| 576 | struct isci_remote_device *isci_device = |
| 577 | (struct isci_remote_device *) |
| 578 | sci_object_get_association(remote_device); |
| 579 | |
| 580 | dev_dbg(&isci_device->isci_port->isci_host->pdev->dev, |
| 581 | "%s: isci_device = %p\n", __func__, isci_device); |
| 582 | |
| 583 | isci_remote_device_ready(isci_device); |
| 584 | } |
| 585 | |
| 586 | /** |
| 587 | * scic_cb_remote_device_not_ready() - This user callback method will inform |
| 588 | * the user that a remote device is no longer capable of handling IO |
| 589 | * requests (until a ready callback is invoked). |
| 590 | * @controller: This parameter specifies the core controller associated with |
| 591 | * the completion callback. |
| 592 | * @remote_device: This parameter specifies the remote device associated with |
| 593 | * the callback. |
| 594 | * @reason_code: This parameter specifies the reason for the remote device |
| 595 | * going to a not ready state. |
| 596 | * |
| 597 | */ |
| 598 | void scic_cb_remote_device_not_ready( |
| 599 | struct scic_sds_controller *controller, |
| 600 | struct scic_sds_remote_device *remote_device, |
| 601 | u32 reason_code) |
| 602 | { |
| 603 | struct isci_remote_device *isci_device = |
| 604 | (struct isci_remote_device *) |
| 605 | sci_object_get_association(remote_device); |
| 606 | |
| 607 | struct isci_host *isci_host; |
| 608 | |
| 609 | isci_host = |
| 610 | (struct isci_host *)sci_object_get_association(controller); |
| 611 | |
| 612 | dev_dbg(&isci_host->pdev->dev, |
| 613 | "%s: isci_device = %p, reason_code = %x\n", |
| 614 | __func__, isci_device, reason_code); |
| 615 | |
| 616 | isci_remote_device_not_ready(isci_device, reason_code); |
| 617 | } |
| 618 | |
| 619 | |