Linux/include/xen/interface/io/kbdif.h

Version: ~ [ linux-6.12-rc7 ] ~ [ linux-6.11.7 ] ~ [ linux-6.10.14 ] ~ [ linux-6.9.12 ] ~ [ linux-6.8.12 ] ~ [ linux-6.7.12 ] ~ [ linux-6.6.60 ] ~ [ linux-6.5.13 ] ~ [ linux-6.4.16 ] ~ [ linux-6.3.13 ] ~ [ linux-6.2.16 ] ~ [ linux-6.1.116 ] ~ [ linux-6.0.19 ] ~ [ linux-5.19.17 ] ~ [ linux-5.18.19 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.171 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.229 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.285 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.323 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.336 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.337 ] ~ [ linux-4.4.302 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.9 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

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1 /* SPDX-License-Identifier: MIT */ << 2 /* 1 /* 3 * kbdif.h -- Xen virtual keyboard/mouse 2 * kbdif.h -- Xen virtual keyboard/mouse 4 * 3 * >> 4 * Permission is hereby granted, free of charge, to any person obtaining a copy >> 5 * of this software and associated documentation files (the "Software"), to >> 6 * deal in the Software without restriction, including without limitation the >> 7 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or >> 8 * sell copies of the Software, and to permit persons to whom the Software is >> 9 * furnished to do so, subject to the following conditions: >> 10 * >> 11 * The above copyright notice and this permission notice shall be included in >> 12 * all copies or substantial portions of the Software. >> 13 * >> 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR >> 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, >> 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE >> 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER >> 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING >> 19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER >> 20 * DEALINGS IN THE SOFTWARE. >> 21 * 5 * Copyright (C) 2005 Anthony Liguori <aliguor 22 * Copyright (C) 2005 Anthony Liguori <aliguori@us.ibm.com> 6 * Copyright (C) 2006 Red Hat, Inc., Markus Ar 23 * Copyright (C) 2006 Red Hat, Inc., Markus Armbruster <armbru@redhat.com> 7 */ 24 */ 8 25 9 #ifndef __XEN_PUBLIC_IO_KBDIF_H__ 26 #ifndef __XEN_PUBLIC_IO_KBDIF_H__ 10 #define __XEN_PUBLIC_IO_KBDIF_H__ 27 #define __XEN_PUBLIC_IO_KBDIF_H__ 11 28 12 /* !! 29 /* In events (backend -> frontend) */ 13 ********************************************* << 14 * Feature and Parameter N << 15 ********************************************* << 16 * << 17 * The two halves of a para-virtual driver uti << 18 * XenStore to communicate capabilities and to << 19 * This section enumerates these nodes which r << 20 * backend portions of XenStore, following Xen << 21 * << 22 * All data in XenStore is stored as strings. << 23 * values are encoded in decimal. Integer valu << 24 * expressed as fixed sized integer types capa << 25 * of a properly formated node string, without << 26 * << 27 ********************************************* << 28 * Backend XenBus N << 29 ********************************************* << 30 * << 31 *---------------------------- Features suppor << 32 * << 33 * Capable backend advertises supported featur << 34 * corresponding entries in XenStore and puts << 35 * If a feature is not supported then 0 must b << 36 * << 37 * feature-disable-keyboard << 38 * Values: <uint> << 39 * << 40 * If there is no need to expose a virtua << 41 * frontend then this must be set to 1. << 42 * << 43 * feature-disable-pointer << 44 * Values: <uint> << 45 * << 46 * If there is no need to expose a virtua << 47 * frontend then this must be set to 1. << 48 * << 49 * feature-abs-pointer << 50 * Values: <uint> << 51 * << 52 * Backends, which support reporting of a << 53 * device should set this to 1. << 54 * << 55 * feature-multi-touch << 56 * Values: <uint> << 57 * << 58 * Backends, which support reporting of m << 59 * should set this to 1. << 60 * << 61 * feature-raw-pointer << 62 * Values: <uint> << 63 * << 64 * Backends, which support reporting raw << 65 * for pointer devices should set this to << 66 * a range of [0, 0x7fff]. << 67 * << 68 *----------------------- Device Instance Par << 69 * << 70 * unique-id << 71 * Values: <string> << 72 * << 73 * After device instance initialization i << 74 * so every instance of the frontend can << 75 * by this ID. This can be UUID or such. << 76 * << 77 *------------------------- Pointer Device Par << 78 * << 79 * width << 80 * Values: <uint> << 81 * << 82 * Maximum X coordinate (width) to be use << 83 * while reporting input events, pixels, << 84 * << 85 * height << 86 * Values: <uint> << 87 * << 88 * Maximum Y coordinate (height) to be us << 89 * while reporting input events, pixels, << 90 * << 91 *----------------------- Multi-touch Device P << 92 * << 93 * multi-touch-num-contacts << 94 * Values: <uint> << 95 * << 96 * Number of simultaneous touches reporte << 97 * << 98 * multi-touch-width << 99 * Values: <uint> << 100 * << 101 * Width of the touch area to be used by << 102 * while reporting input events, pixels, << 103 * << 104 * multi-touch-height << 105 * Values: <uint> << 106 * << 107 * Height of the touch area to be used by << 108 * while reporting input events, pixels, << 109 * << 110 ********************************************* << 111 * Frontend XenBus << 112 ********************************************* << 113 * << 114 *------------------------------ Feature reque << 115 * << 116 * Capable frontend requests features from bac << 117 * entries to 1 in XenStore. Requests for feat << 118 * by the backend have no effect. << 119 * << 120 * request-abs-pointer << 121 * Values: <uint> << 122 * << 123 * Request backend to report absolute poi << 124 * (XENKBD_TYPE_POS) instead of relative << 125 * << 126 * request-multi-touch << 127 * Values: <uint> << 128 * << 129 * Request backend to report multi-touch << 130 * << 131 * request-raw-pointer << 132 * Values: <uint> << 133 * << 134 * Request backend to report raw unscaled << 135 * This option is only valid if request-a << 136 * Raw unscaled coordinates have the rang << 137 * << 138 *----------------------- Request Transport Pa << 139 * << 140 * event-channel << 141 * Values: <uint> << 142 * << 143 * The identifier of the Xen event channe << 144 * in the ring buffer. << 145 * << 146 * page-gref << 147 * Values: <uint> << 148 * << 149 * The Xen grant reference granting permi << 150 * a sole page in a single page sized eve << 151 * << 152 * page-ref << 153 * Values: <uint> << 154 * << 155 * OBSOLETE, not recommended for use. << 156 * PFN of the shared page. << 157 */ << 158 << 159 /* << 160 * EVENT CODES. << 161 */ << 162 << 163 #define XENKBD_TYPE_MOTION 1 << 164 #define XENKBD_TYPE_RESERVED 2 << 165 #define XENKBD_TYPE_KEY 3 << 166 #define XENKBD_TYPE_POS 4 << 167 #define XENKBD_TYPE_MTOUCH 5 << 168 << 169 /* Multi-touch event sub-codes */ << 170 << 171 #define XENKBD_MT_EV_DOWN 0 << 172 #define XENKBD_MT_EV_UP 1 << 173 #define XENKBD_MT_EV_MOTION 2 << 174 #define XENKBD_MT_EV_SYN 3 << 175 #define XENKBD_MT_EV_SHAPE 4 << 176 #define XENKBD_MT_EV_ORIENT 5 << 177 30 178 /* 31 /* 179 * CONSTANTS, XENSTORE FIELD AND PATH NAME STR !! 32 * Frontends should ignore unknown in events. 180 */ 33 */ 181 34 182 #define XENKBD_DRIVER_NAME "vkbd" !! 35 /* Pointer movement event */ 183 !! 36 #define XENKBD_TYPE_MOTION 1 184 #define XENKBD_FIELD_FEAT_DSBL_KEYBRD "featu !! 37 /* Event type 2 currently not used */ 185 #define XENKBD_FIELD_FEAT_DSBL_POINTER "featu !! 38 /* Key event (includes pointer buttons) */ 186 #define XENKBD_FIELD_FEAT_ABS_POINTER "featu !! 39 #define XENKBD_TYPE_KEY 3 187 #define XENKBD_FIELD_FEAT_RAW_POINTER "featu !! 40 /* 188 #define XENKBD_FIELD_FEAT_MTOUCH "featu !! 41 * Pointer position event 189 #define XENKBD_FIELD_REQ_ABS_POINTER "reque !! 42 * Capable backend sets feature-abs-pointer in xenstore. 190 #define XENKBD_FIELD_REQ_RAW_POINTER "reque !! 43 * Frontend requests ot instead of XENKBD_TYPE_MOTION by setting 191 #define XENKBD_FIELD_REQ_MTOUCH "reque !! 44 * request-abs-update in xenstore. 192 #define XENKBD_FIELD_RING_GREF "page- << 193 #define XENKBD_FIELD_EVT_CHANNEL "event << 194 #define XENKBD_FIELD_WIDTH "width << 195 #define XENKBD_FIELD_HEIGHT "heigh << 196 #define XENKBD_FIELD_MT_WIDTH "multi << 197 #define XENKBD_FIELD_MT_HEIGHT "multi << 198 #define XENKBD_FIELD_MT_NUM_CONTACTS "multi << 199 #define XENKBD_FIELD_UNIQUE_ID "uniqu << 200 << 201 /* OBSOLETE, not recommended for use */ << 202 #define XENKBD_FIELD_RING_REF "page- << 203 << 204 /* << 205 ********************************************* << 206 * Description of the protocol between fronten << 207 ********************************************* << 208 * << 209 * The two halves of a Para-virtual driver com << 210 * each other using a shared page and an event << 211 * Shared page contains a ring with event stru << 212 * << 213 * All reserved fields in the structures below << 214 * << 215 ********************************************* << 216 * Backend to fronte << 217 ********************************************* << 218 * << 219 * Frontends should ignore unknown in events. << 220 * All event packets have the same length (40 << 221 * All event packets have common header: << 222 * << 223 * 0 octet << 224 * +-----------------+ << 225 * | type | << 226 * +-----------------+ << 227 * type - uint8_t, event code, XENKBD_TYPE_??? << 228 * << 229 * << 230 * Pointer relative movement event << 231 * 0 1 << 232 * +----------------+----------------+-------- << 233 * | _TYPE_MOTION | rese << 234 * +----------------+----------------+-------- << 235 * | rel_x << 236 * +----------------+----------------+-------- << 237 * | rel_y << 238 * +----------------+----------------+-------- << 239 * | rel_z << 240 * +----------------+----------------+-------- << 241 * | reserved << 242 * +----------------+----------------+-------- << 243 * |/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\ << 244 * +----------------+----------------+-------- << 245 * | reserved << 246 * +----------------+----------------+-------- << 247 * << 248 * rel_x - int32_t, relative X motion << 249 * rel_y - int32_t, relative Y motion << 250 * rel_z - int32_t, relative Z motion (wheel) << 251 */ 45 */ >> 46 #define XENKBD_TYPE_POS 4 252 47 253 struct xenkbd_motion { 48 struct xenkbd_motion { 254 uint8_t type; !! 49 uint8_t type; /* XENKBD_TYPE_MOTION */ 255 int32_t rel_x; !! 50 int32_t rel_x; /* relative X motion */ 256 int32_t rel_y; !! 51 int32_t rel_y; /* relative Y motion */ 257 int32_t rel_z; !! 52 int32_t rel_z; /* relative Z motion (wheel) */ 258 }; 53 }; 259 54 260 /* << 261 * Key event (includes pointer buttons) << 262 * 0 1 << 263 * +----------------+----------------+-------- << 264 * | _TYPE_KEY | pressed | << 265 * +----------------+----------------+-------- << 266 * | keycode << 267 * +----------------+----------------+-------- << 268 * | reserved << 269 * +----------------+----------------+-------- << 270 * |/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\ << 271 * +----------------+----------------+-------- << 272 * | reserved << 273 * +----------------+----------------+-------- << 274 * << 275 * pressed - uint8_t, 1 if pressed; 0 otherwis << 276 * keycode - uint32_t, KEY_* from linux/input. << 277 */ << 278 << 279 struct xenkbd_key { 55 struct xenkbd_key { 280 uint8_t type; !! 56 uint8_t type; /* XENKBD_TYPE_KEY */ 281 uint8_t pressed; !! 57 uint8_t pressed; /* 1 if pressed; 0 otherwise */ 282 uint32_t keycode; !! 58 uint32_t keycode; /* KEY_* from linux/input.h */ 283 }; 59 }; 284 60 285 /* << 286 * Pointer absolute position event << 287 * 0 1 << 288 * +----------------+----------------+-------- << 289 * | _TYPE_POS | rese << 290 * +----------------+----------------+-------- << 291 * | abs_x << 292 * +----------------+----------------+-------- << 293 * | abs_y << 294 * +----------------+----------------+-------- << 295 * | rel_z << 296 * +----------------+----------------+-------- << 297 * | reserved << 298 * +----------------+----------------+-------- << 299 * |/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\ << 300 * +----------------+----------------+-------- << 301 * | reserved << 302 * +----------------+----------------+-------- << 303 * << 304 * abs_x - int32_t, absolute X position (in FB << 305 * abs_y - int32_t, absolute Y position (in FB << 306 * rel_z - int32_t, relative Z motion (wheel) << 307 */ << 308 << 309 struct xenkbd_position { 61 struct xenkbd_position { 310 uint8_t type; !! 62 uint8_t type; /* XENKBD_TYPE_POS */ 311 int32_t abs_x; !! 63 int32_t abs_x; /* absolute X position (in FB pixels) */ 312 int32_t abs_y; !! 64 int32_t abs_y; /* absolute Y position (in FB pixels) */ 313 int32_t rel_z; !! 65 int32_t rel_z; /* relative Z motion (wheel) */ 314 }; << 315 << 316 /* << 317 * Multi-touch event and its sub-types << 318 * << 319 * All multi-touch event packets have common h << 320 * << 321 * 0 1 << 322 * +----------------+----------------+-------- << 323 * | _TYPE_MTOUCH | event_type | conta << 324 * +----------------+----------------+-------- << 325 * | reserved << 326 * +----------------+----------------+-------- << 327 * << 328 * event_type - unt8_t, multi-touch event sub- << 329 * contact_id - unt8_t, ID of the contact << 330 * << 331 * Touch interactions can consist of one or mo << 332 * For each contact, a series of events is gen << 333 * with a down event, followed by zero or more << 334 * and ending with an up event. Events relatin << 335 * contact point can be identified by the ID o << 336 * Contact ID may be reused after XENKBD_MT_EV << 337 * is in the [0; XENKBD_FIELD_NUM_CONTACTS - 1 << 338 * << 339 * For further information please refer to doc << 340 * Linux [2] and Windows [3] multi-touch suppo << 341 * << 342 * [1] https://cgit.freedesktop.org/wayland/wa << 343 * [2] https://www.kernel.org/doc/Documentatio << 344 * [3] https://msdn.microsoft.com/en-us/librar << 345 * << 346 * << 347 * Multi-touch down event - sent when a new to << 348 * a unique contact ID, sent with this and con << 349 * to this touch. << 350 * 0 1 << 351 * +----------------+----------------+-------- << 352 * | _TYPE_MTOUCH | _MT_EV_DOWN | conta << 353 * +----------------+----------------+-------- << 354 * | reserved << 355 * +----------------+----------------+-------- << 356 * | abs_x << 357 * +----------------+----------------+-------- << 358 * | abs_y << 359 * +----------------+----------------+-------- << 360 * | reserved << 361 * +----------------+----------------+-------- << 362 * |/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\ << 363 * +----------------+----------------+-------- << 364 * | reserved << 365 * +----------------+----------------+-------- << 366 * << 367 * abs_x - int32_t, absolute X position, in pi << 368 * abs_y - int32_t, absolute Y position, in pi << 369 * << 370 * Multi-touch contact release event << 371 * 0 1 << 372 * +----------------+----------------+-------- << 373 * | _TYPE_MTOUCH | _MT_EV_UP | conta << 374 * +----------------+----------------+-------- << 375 * | reserved << 376 * +----------------+----------------+-------- << 377 * |/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\ << 378 * +----------------+----------------+-------- << 379 * | reserved << 380 * +----------------+----------------+-------- << 381 * << 382 * Multi-touch motion event << 383 * 0 1 << 384 * +----------------+----------------+-------- << 385 * | _TYPE_MTOUCH | _MT_EV_MOTION | conta << 386 * +----------------+----------------+-------- << 387 * | reserved << 388 * +----------------+----------------+-------- << 389 * | abs_x << 390 * +----------------+----------------+-------- << 391 * | abs_y << 392 * +----------------+----------------+-------- << 393 * | reserved << 394 * +----------------+----------------+-------- << 395 * |/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\ << 396 * +----------------+----------------+-------- << 397 * | reserved << 398 * +----------------+----------------+-------- << 399 * << 400 * abs_x - int32_t, absolute X position, in pi << 401 * abs_y - int32_t, absolute Y position, in pi << 402 * << 403 * Multi-touch input synchronization event - s << 404 * which logically belong together. << 405 * 0 1 << 406 * +----------------+----------------+-------- << 407 * | _TYPE_MTOUCH | _MT_EV_SYN | conta << 408 * +----------------+----------------+-------- << 409 * | reserved << 410 * +----------------+----------------+-------- << 411 * |/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\ << 412 * +----------------+----------------+-------- << 413 * | reserved << 414 * +----------------+----------------+-------- << 415 * << 416 * Multi-touch shape event - touch point's sha << 417 * Shape is approximated by an ellipse through << 418 * lengths: major is the longer diameter of th << 419 * shorter one. Center of the ellipse is repor << 420 * XENKBD_MT_EV_DOWN/XENKBD_MT_EV_MOTION event << 421 * 0 1 << 422 * +----------------+----------------+-------- << 423 * | _TYPE_MTOUCH | _MT_EV_SHAPE | conta << 424 * +----------------+----------------+-------- << 425 * | reserved << 426 * +----------------+----------------+-------- << 427 * | major << 428 * +----------------+----------------+-------- << 429 * | minor << 430 * +----------------+----------------+-------- << 431 * | reserved << 432 * +----------------+----------------+-------- << 433 * |/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\ << 434 * +----------------+----------------+-------- << 435 * | reserved << 436 * +----------------+----------------+-------- << 437 * << 438 * major - unt32_t, length of the major axis, << 439 * minor - unt32_t, length of the minor axis, << 440 * << 441 * Multi-touch orientation event - touch point << 442 * its orientation: calculated as a clockwise << 443 * of the ellipse and positive Y axis in degre << 444 * 0 1 << 445 * +----------------+----------------+-------- << 446 * | _TYPE_MTOUCH | _MT_EV_ORIENT | conta << 447 * +----------------+----------------+-------- << 448 * | reserved << 449 * +----------------+----------------+-------- << 450 * | orientation | << 451 * +----------------+----------------+-------- << 452 * | reserved << 453 * +----------------+----------------+-------- << 454 * |/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\ << 455 * +----------------+----------------+-------- << 456 * | reserved << 457 * +----------------+----------------+-------- << 458 * << 459 * orientation - int16_t, clockwise angle of t << 460 */ << 461 << 462 struct xenkbd_mtouch { << 463 uint8_t type; /* XEN << 464 uint8_t event_type; /* XEN << 465 uint8_t contact_id; << 466 uint8_t reserved[5]; /* res << 467 union { << 468 struct { << 469 int32_t abs_x; /* abs << 470 int32_t abs_y; /* abs << 471 } pos; << 472 struct { << 473 uint32_t major; /* len << 474 uint32_t minor; /* len << 475 } shape; << 476 int16_t orientation; /* clo << 477 } u; << 478 }; 66 }; 479 67 480 #define XENKBD_IN_EVENT_SIZE 40 68 #define XENKBD_IN_EVENT_SIZE 40 481 69 482 union xenkbd_in_event { 70 union xenkbd_in_event { 483 uint8_t type; 71 uint8_t type; 484 struct xenkbd_motion motion; 72 struct xenkbd_motion motion; 485 struct xenkbd_key key; 73 struct xenkbd_key key; 486 struct xenkbd_position pos; 74 struct xenkbd_position pos; 487 struct xenkbd_mtouch mtouch; << 488 char pad[XENKBD_IN_EVENT_SIZE]; 75 char pad[XENKBD_IN_EVENT_SIZE]; 489 }; 76 }; 490 77 >> 78 /* Out events (frontend -> backend) */ >> 79 491 /* 80 /* 492 ********************************************* << 493 * Frontend to back << 494 ********************************************* << 495 * << 496 * Out events may be sent only when requested 81 * Out events may be sent only when requested by backend, and receipt 497 * of an unknown out event is an error. 82 * of an unknown out event is an error. 498 * No out events currently defined. 83 * No out events currently defined. 499 << 500 * All event packets have the same length (40 << 501 * All event packets have common header: << 502 * 0 octet << 503 * +-----------------+ << 504 * | type | << 505 * +-----------------+ << 506 * type - uint8_t, event code << 507 */ 84 */ 508 85 509 #define XENKBD_OUT_EVENT_SIZE 40 86 #define XENKBD_OUT_EVENT_SIZE 40 510 87 511 union xenkbd_out_event { 88 union xenkbd_out_event { 512 uint8_t type; 89 uint8_t type; 513 char pad[XENKBD_OUT_EVENT_SIZE]; 90 char pad[XENKBD_OUT_EVENT_SIZE]; 514 }; 91 }; 515 92 516 /* !! 93 /* shared page */ 517 ********************************************* << 518 * Shared page << 519 ********************************************* << 520 */ << 521 94 522 #define XENKBD_IN_RING_SIZE 2048 95 #define XENKBD_IN_RING_SIZE 2048 523 #define XENKBD_IN_RING_LEN (XENKBD_IN_RING_SIZ 96 #define XENKBD_IN_RING_LEN (XENKBD_IN_RING_SIZE / XENKBD_IN_EVENT_SIZE) 524 #define XENKBD_IN_RING_OFFS 1024 97 #define XENKBD_IN_RING_OFFS 1024 525 #define XENKBD_IN_RING(page) \ 98 #define XENKBD_IN_RING(page) \ 526 ((union xenkbd_in_event *)((char *)(pa 99 ((union xenkbd_in_event *)((char *)(page) + XENKBD_IN_RING_OFFS)) 527 #define XENKBD_IN_RING_REF(page, idx) \ 100 #define XENKBD_IN_RING_REF(page, idx) \ 528 (XENKBD_IN_RING((page))[(idx) % XENKBD 101 (XENKBD_IN_RING((page))[(idx) % XENKBD_IN_RING_LEN]) 529 102 530 #define XENKBD_OUT_RING_SIZE 1024 103 #define XENKBD_OUT_RING_SIZE 1024 531 #define XENKBD_OUT_RING_LEN (XENKBD_OUT_RING_S 104 #define XENKBD_OUT_RING_LEN (XENKBD_OUT_RING_SIZE / XENKBD_OUT_EVENT_SIZE) 532 #define XENKBD_OUT_RING_OFFS (XENKBD_IN_RING_O 105 #define XENKBD_OUT_RING_OFFS (XENKBD_IN_RING_OFFS + XENKBD_IN_RING_SIZE) 533 #define XENKBD_OUT_RING(page) \ 106 #define XENKBD_OUT_RING(page) \ 534 ((union xenkbd_out_event *)((char *)(p 107 ((union xenkbd_out_event *)((char *)(page) + XENKBD_OUT_RING_OFFS)) 535 #define XENKBD_OUT_RING_REF(page, idx) \ 108 #define XENKBD_OUT_RING_REF(page, idx) \ 536 (XENKBD_OUT_RING((page))[(idx) % XENKB 109 (XENKBD_OUT_RING((page))[(idx) % XENKBD_OUT_RING_LEN]) 537 110 538 struct xenkbd_page { 111 struct xenkbd_page { 539 uint32_t in_cons, in_prod; 112 uint32_t in_cons, in_prod; 540 uint32_t out_cons, out_prod; 113 uint32_t out_cons, out_prod; 541 }; 114 }; 542 115 543 #endif /* __XEN_PUBLIC_IO_KBDIF_H__ */ !! 116 #endif 544 117

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TOMOYO Linux Cross Reference
Linux/include/xen/interface/io/kbdif.h

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Differences between /include/xen/interface/io/kbdif.h (Version linux-6.12-rc7) and /include/xen/interface/io/kbdif.h (Version linux-4.9.337)

TOMOYO Linux Cross Reference Linux/include/xen/interface/io/kbdif.h

Diff markup

Differences between /include/xen/interface/io/kbdif.h (Version linux-6.12-rc7) and /include/xen/interface/io/kbdif.h (Version linux-4.9.337)

TOMOYO Linux Cross Reference
Linux/include/xen/interface/io/kbdif.h