| 1 | /* |
| 2 | * Copyright (c) 1991 The Regents of the University of California. |
| 3 | * Copyright (c) 1996, by Steve Passe. All rights reserved. |
| 4 | * Copyright (c) 2005,2008 The DragonFly Project. All rights reserved. |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * This code is derived from software contributed to The DragonFly Project |
| 8 | * by Matthew Dillon <dillon@backplane.com> |
| 9 | * |
| 10 | * This code is derived from software contributed to Berkeley by |
| 11 | * William Jolitz. |
| 12 | * |
| 13 | * Redistribution and use in source and binary forms, with or without |
| 14 | * modification, are permitted provided that the following conditions |
| 15 | * are met: |
| 16 | * |
| 17 | * 1. Redistributions of source code must retain the above copyright |
| 18 | * notice, this list of conditions and the following disclaimer. |
| 19 | * 2. Redistributions in binary form must reproduce the above copyright |
| 20 | * notice, this list of conditions and the following disclaimer in |
| 21 | * the documentation and/or other materials provided with the |
| 22 | * distribution. |
| 23 | * 3. Neither the name of The DragonFly Project nor the names of its |
| 24 | * contributors may be used to endorse or promote products derived |
| 25 | * from this software without specific, prior written permission. |
| 26 | * |
| 27 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 28 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 29 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| 30 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| 31 | * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 32 | * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| 33 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 34 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| 35 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 36 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| 37 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 38 | * SUCH DAMAGE. |
| 39 | * |
| 40 | * $DragonFly: src/sys/platform/pc64/apic/apic_abi.c,v 1.1 2008/08/29 17:07:12 dillon Exp $ |
| 41 | */ |
| 42 | |
| 43 | #include <sys/param.h> |
| 44 | #include <sys/systm.h> |
| 45 | #include <sys/kernel.h> |
| 46 | #include <sys/machintr.h> |
| 47 | #include <sys/interrupt.h> |
| 48 | #include <sys/bus.h> |
| 49 | #include <sys/rman.h> |
| 50 | #include <sys/thread2.h> |
| 51 | |
| 52 | #include <machine/smp.h> |
| 53 | #include <machine/segments.h> |
| 54 | #include <machine/md_var.h> |
| 55 | #include <machine/intr_machdep.h> |
| 56 | #include <machine/globaldata.h> |
| 57 | |
| 58 | #include <machine_base/isa/isa_intr.h> |
| 59 | #include <machine_base/icu/icu.h> |
| 60 | #include <machine_base/icu/icu_var.h> |
| 61 | #include <machine_base/apic/ioapic.h> |
| 62 | #include <machine_base/apic/ioapic_abi.h> |
| 63 | #include <machine_base/apic/ioapic_ipl.h> |
| 64 | #include <machine_base/apic/apicreg.h> |
| 65 | |
| 66 | #include <dev/acpica5/acpi_sci_var.h> |
| 67 | |
| 68 | #define IOAPIC_HWI_VECTORS IDT_HWI_VECTORS |
| 69 | |
| 70 | extern inthand_t |
| 71 | IDTVEC(ioapic_intr0), |
| 72 | IDTVEC(ioapic_intr1), |
| 73 | IDTVEC(ioapic_intr2), |
| 74 | IDTVEC(ioapic_intr3), |
| 75 | IDTVEC(ioapic_intr4), |
| 76 | IDTVEC(ioapic_intr5), |
| 77 | IDTVEC(ioapic_intr6), |
| 78 | IDTVEC(ioapic_intr7), |
| 79 | IDTVEC(ioapic_intr8), |
| 80 | IDTVEC(ioapic_intr9), |
| 81 | IDTVEC(ioapic_intr10), |
| 82 | IDTVEC(ioapic_intr11), |
| 83 | IDTVEC(ioapic_intr12), |
| 84 | IDTVEC(ioapic_intr13), |
| 85 | IDTVEC(ioapic_intr14), |
| 86 | IDTVEC(ioapic_intr15), |
| 87 | IDTVEC(ioapic_intr16), |
| 88 | IDTVEC(ioapic_intr17), |
| 89 | IDTVEC(ioapic_intr18), |
| 90 | IDTVEC(ioapic_intr19), |
| 91 | IDTVEC(ioapic_intr20), |
| 92 | IDTVEC(ioapic_intr21), |
| 93 | IDTVEC(ioapic_intr22), |
| 94 | IDTVEC(ioapic_intr23), |
| 95 | IDTVEC(ioapic_intr24), |
| 96 | IDTVEC(ioapic_intr25), |
| 97 | IDTVEC(ioapic_intr26), |
| 98 | IDTVEC(ioapic_intr27), |
| 99 | IDTVEC(ioapic_intr28), |
| 100 | IDTVEC(ioapic_intr29), |
| 101 | IDTVEC(ioapic_intr30), |
| 102 | IDTVEC(ioapic_intr31), |
| 103 | IDTVEC(ioapic_intr32), |
| 104 | IDTVEC(ioapic_intr33), |
| 105 | IDTVEC(ioapic_intr34), |
| 106 | IDTVEC(ioapic_intr35), |
| 107 | IDTVEC(ioapic_intr36), |
| 108 | IDTVEC(ioapic_intr37), |
| 109 | IDTVEC(ioapic_intr38), |
| 110 | IDTVEC(ioapic_intr39), |
| 111 | IDTVEC(ioapic_intr40), |
| 112 | IDTVEC(ioapic_intr41), |
| 113 | IDTVEC(ioapic_intr42), |
| 114 | IDTVEC(ioapic_intr43), |
| 115 | IDTVEC(ioapic_intr44), |
| 116 | IDTVEC(ioapic_intr45), |
| 117 | IDTVEC(ioapic_intr46), |
| 118 | IDTVEC(ioapic_intr47), |
| 119 | IDTVEC(ioapic_intr48), |
| 120 | IDTVEC(ioapic_intr49), |
| 121 | IDTVEC(ioapic_intr50), |
| 122 | IDTVEC(ioapic_intr51), |
| 123 | IDTVEC(ioapic_intr52), |
| 124 | IDTVEC(ioapic_intr53), |
| 125 | IDTVEC(ioapic_intr54), |
| 126 | IDTVEC(ioapic_intr55), |
| 127 | IDTVEC(ioapic_intr56), |
| 128 | IDTVEC(ioapic_intr57), |
| 129 | IDTVEC(ioapic_intr58), |
| 130 | IDTVEC(ioapic_intr59), |
| 131 | IDTVEC(ioapic_intr60), |
| 132 | IDTVEC(ioapic_intr61), |
| 133 | IDTVEC(ioapic_intr62), |
| 134 | IDTVEC(ioapic_intr63), |
| 135 | IDTVEC(ioapic_intr64), |
| 136 | IDTVEC(ioapic_intr65), |
| 137 | IDTVEC(ioapic_intr66), |
| 138 | IDTVEC(ioapic_intr67), |
| 139 | IDTVEC(ioapic_intr68), |
| 140 | IDTVEC(ioapic_intr69), |
| 141 | IDTVEC(ioapic_intr70), |
| 142 | IDTVEC(ioapic_intr71), |
| 143 | IDTVEC(ioapic_intr72), |
| 144 | IDTVEC(ioapic_intr73), |
| 145 | IDTVEC(ioapic_intr74), |
| 146 | IDTVEC(ioapic_intr75), |
| 147 | IDTVEC(ioapic_intr76), |
| 148 | IDTVEC(ioapic_intr77), |
| 149 | IDTVEC(ioapic_intr78), |
| 150 | IDTVEC(ioapic_intr79), |
| 151 | IDTVEC(ioapic_intr80), |
| 152 | IDTVEC(ioapic_intr81), |
| 153 | IDTVEC(ioapic_intr82), |
| 154 | IDTVEC(ioapic_intr83), |
| 155 | IDTVEC(ioapic_intr84), |
| 156 | IDTVEC(ioapic_intr85), |
| 157 | IDTVEC(ioapic_intr86), |
| 158 | IDTVEC(ioapic_intr87), |
| 159 | IDTVEC(ioapic_intr88), |
| 160 | IDTVEC(ioapic_intr89), |
| 161 | IDTVEC(ioapic_intr90), |
| 162 | IDTVEC(ioapic_intr91), |
| 163 | IDTVEC(ioapic_intr92), |
| 164 | IDTVEC(ioapic_intr93), |
| 165 | IDTVEC(ioapic_intr94), |
| 166 | IDTVEC(ioapic_intr95), |
| 167 | IDTVEC(ioapic_intr96), |
| 168 | IDTVEC(ioapic_intr97), |
| 169 | IDTVEC(ioapic_intr98), |
| 170 | IDTVEC(ioapic_intr99), |
| 171 | IDTVEC(ioapic_intr100), |
| 172 | IDTVEC(ioapic_intr101), |
| 173 | IDTVEC(ioapic_intr102), |
| 174 | IDTVEC(ioapic_intr103), |
| 175 | IDTVEC(ioapic_intr104), |
| 176 | IDTVEC(ioapic_intr105), |
| 177 | IDTVEC(ioapic_intr106), |
| 178 | IDTVEC(ioapic_intr107), |
| 179 | IDTVEC(ioapic_intr108), |
| 180 | IDTVEC(ioapic_intr109), |
| 181 | IDTVEC(ioapic_intr110), |
| 182 | IDTVEC(ioapic_intr111), |
| 183 | IDTVEC(ioapic_intr112), |
| 184 | IDTVEC(ioapic_intr113), |
| 185 | IDTVEC(ioapic_intr114), |
| 186 | IDTVEC(ioapic_intr115), |
| 187 | IDTVEC(ioapic_intr116), |
| 188 | IDTVEC(ioapic_intr117), |
| 189 | IDTVEC(ioapic_intr118), |
| 190 | IDTVEC(ioapic_intr119), |
| 191 | IDTVEC(ioapic_intr120), |
| 192 | IDTVEC(ioapic_intr121), |
| 193 | IDTVEC(ioapic_intr122), |
| 194 | IDTVEC(ioapic_intr123), |
| 195 | IDTVEC(ioapic_intr124), |
| 196 | IDTVEC(ioapic_intr125), |
| 197 | IDTVEC(ioapic_intr126), |
| 198 | IDTVEC(ioapic_intr127), |
| 199 | IDTVEC(ioapic_intr128), |
| 200 | IDTVEC(ioapic_intr129), |
| 201 | IDTVEC(ioapic_intr130), |
| 202 | IDTVEC(ioapic_intr131), |
| 203 | IDTVEC(ioapic_intr132), |
| 204 | IDTVEC(ioapic_intr133), |
| 205 | IDTVEC(ioapic_intr134), |
| 206 | IDTVEC(ioapic_intr135), |
| 207 | IDTVEC(ioapic_intr136), |
| 208 | IDTVEC(ioapic_intr137), |
| 209 | IDTVEC(ioapic_intr138), |
| 210 | IDTVEC(ioapic_intr139), |
| 211 | IDTVEC(ioapic_intr140), |
| 212 | IDTVEC(ioapic_intr141), |
| 213 | IDTVEC(ioapic_intr142), |
| 214 | IDTVEC(ioapic_intr143), |
| 215 | IDTVEC(ioapic_intr144), |
| 216 | IDTVEC(ioapic_intr145), |
| 217 | IDTVEC(ioapic_intr146), |
| 218 | IDTVEC(ioapic_intr147), |
| 219 | IDTVEC(ioapic_intr148), |
| 220 | IDTVEC(ioapic_intr149), |
| 221 | IDTVEC(ioapic_intr150), |
| 222 | IDTVEC(ioapic_intr151), |
| 223 | IDTVEC(ioapic_intr152), |
| 224 | IDTVEC(ioapic_intr153), |
| 225 | IDTVEC(ioapic_intr154), |
| 226 | IDTVEC(ioapic_intr155), |
| 227 | IDTVEC(ioapic_intr156), |
| 228 | IDTVEC(ioapic_intr157), |
| 229 | IDTVEC(ioapic_intr158), |
| 230 | IDTVEC(ioapic_intr159), |
| 231 | IDTVEC(ioapic_intr160), |
| 232 | IDTVEC(ioapic_intr161), |
| 233 | IDTVEC(ioapic_intr162), |
| 234 | IDTVEC(ioapic_intr163), |
| 235 | IDTVEC(ioapic_intr164), |
| 236 | IDTVEC(ioapic_intr165), |
| 237 | IDTVEC(ioapic_intr166), |
| 238 | IDTVEC(ioapic_intr167), |
| 239 | IDTVEC(ioapic_intr168), |
| 240 | IDTVEC(ioapic_intr169), |
| 241 | IDTVEC(ioapic_intr170), |
| 242 | IDTVEC(ioapic_intr171), |
| 243 | IDTVEC(ioapic_intr172), |
| 244 | IDTVEC(ioapic_intr173), |
| 245 | IDTVEC(ioapic_intr174), |
| 246 | IDTVEC(ioapic_intr175), |
| 247 | IDTVEC(ioapic_intr176), |
| 248 | IDTVEC(ioapic_intr177), |
| 249 | IDTVEC(ioapic_intr178), |
| 250 | IDTVEC(ioapic_intr179), |
| 251 | IDTVEC(ioapic_intr180), |
| 252 | IDTVEC(ioapic_intr181), |
| 253 | IDTVEC(ioapic_intr182), |
| 254 | IDTVEC(ioapic_intr183), |
| 255 | IDTVEC(ioapic_intr184), |
| 256 | IDTVEC(ioapic_intr185), |
| 257 | IDTVEC(ioapic_intr186), |
| 258 | IDTVEC(ioapic_intr187), |
| 259 | IDTVEC(ioapic_intr188), |
| 260 | IDTVEC(ioapic_intr189), |
| 261 | IDTVEC(ioapic_intr190), |
| 262 | IDTVEC(ioapic_intr191); |
| 263 | |
| 264 | static inthand_t *ioapic_intr[IOAPIC_HWI_VECTORS] = { |
| 265 | &IDTVEC(ioapic_intr0), |
| 266 | &IDTVEC(ioapic_intr1), |
| 267 | &IDTVEC(ioapic_intr2), |
| 268 | &IDTVEC(ioapic_intr3), |
| 269 | &IDTVEC(ioapic_intr4), |
| 270 | &IDTVEC(ioapic_intr5), |
| 271 | &IDTVEC(ioapic_intr6), |
| 272 | &IDTVEC(ioapic_intr7), |
| 273 | &IDTVEC(ioapic_intr8), |
| 274 | &IDTVEC(ioapic_intr9), |
| 275 | &IDTVEC(ioapic_intr10), |
| 276 | &IDTVEC(ioapic_intr11), |
| 277 | &IDTVEC(ioapic_intr12), |
| 278 | &IDTVEC(ioapic_intr13), |
| 279 | &IDTVEC(ioapic_intr14), |
| 280 | &IDTVEC(ioapic_intr15), |
| 281 | &IDTVEC(ioapic_intr16), |
| 282 | &IDTVEC(ioapic_intr17), |
| 283 | &IDTVEC(ioapic_intr18), |
| 284 | &IDTVEC(ioapic_intr19), |
| 285 | &IDTVEC(ioapic_intr20), |
| 286 | &IDTVEC(ioapic_intr21), |
| 287 | &IDTVEC(ioapic_intr22), |
| 288 | &IDTVEC(ioapic_intr23), |
| 289 | &IDTVEC(ioapic_intr24), |
| 290 | &IDTVEC(ioapic_intr25), |
| 291 | &IDTVEC(ioapic_intr26), |
| 292 | &IDTVEC(ioapic_intr27), |
| 293 | &IDTVEC(ioapic_intr28), |
| 294 | &IDTVEC(ioapic_intr29), |
| 295 | &IDTVEC(ioapic_intr30), |
| 296 | &IDTVEC(ioapic_intr31), |
| 297 | &IDTVEC(ioapic_intr32), |
| 298 | &IDTVEC(ioapic_intr33), |
| 299 | &IDTVEC(ioapic_intr34), |
| 300 | &IDTVEC(ioapic_intr35), |
| 301 | &IDTVEC(ioapic_intr36), |
| 302 | &IDTVEC(ioapic_intr37), |
| 303 | &IDTVEC(ioapic_intr38), |
| 304 | &IDTVEC(ioapic_intr39), |
| 305 | &IDTVEC(ioapic_intr40), |
| 306 | &IDTVEC(ioapic_intr41), |
| 307 | &IDTVEC(ioapic_intr42), |
| 308 | &IDTVEC(ioapic_intr43), |
| 309 | &IDTVEC(ioapic_intr44), |
| 310 | &IDTVEC(ioapic_intr45), |
| 311 | &IDTVEC(ioapic_intr46), |
| 312 | &IDTVEC(ioapic_intr47), |
| 313 | &IDTVEC(ioapic_intr48), |
| 314 | &IDTVEC(ioapic_intr49), |
| 315 | &IDTVEC(ioapic_intr50), |
| 316 | &IDTVEC(ioapic_intr51), |
| 317 | &IDTVEC(ioapic_intr52), |
| 318 | &IDTVEC(ioapic_intr53), |
| 319 | &IDTVEC(ioapic_intr54), |
| 320 | &IDTVEC(ioapic_intr55), |
| 321 | &IDTVEC(ioapic_intr56), |
| 322 | &IDTVEC(ioapic_intr57), |
| 323 | &IDTVEC(ioapic_intr58), |
| 324 | &IDTVEC(ioapic_intr59), |
| 325 | &IDTVEC(ioapic_intr60), |
| 326 | &IDTVEC(ioapic_intr61), |
| 327 | &IDTVEC(ioapic_intr62), |
| 328 | &IDTVEC(ioapic_intr63), |
| 329 | &IDTVEC(ioapic_intr64), |
| 330 | &IDTVEC(ioapic_intr65), |
| 331 | &IDTVEC(ioapic_intr66), |
| 332 | &IDTVEC(ioapic_intr67), |
| 333 | &IDTVEC(ioapic_intr68), |
| 334 | &IDTVEC(ioapic_intr69), |
| 335 | &IDTVEC(ioapic_intr70), |
| 336 | &IDTVEC(ioapic_intr71), |
| 337 | &IDTVEC(ioapic_intr72), |
| 338 | &IDTVEC(ioapic_intr73), |
| 339 | &IDTVEC(ioapic_intr74), |
| 340 | &IDTVEC(ioapic_intr75), |
| 341 | &IDTVEC(ioapic_intr76), |
| 342 | &IDTVEC(ioapic_intr77), |
| 343 | &IDTVEC(ioapic_intr78), |
| 344 | &IDTVEC(ioapic_intr79), |
| 345 | &IDTVEC(ioapic_intr80), |
| 346 | &IDTVEC(ioapic_intr81), |
| 347 | &IDTVEC(ioapic_intr82), |
| 348 | &IDTVEC(ioapic_intr83), |
| 349 | &IDTVEC(ioapic_intr84), |
| 350 | &IDTVEC(ioapic_intr85), |
| 351 | &IDTVEC(ioapic_intr86), |
| 352 | &IDTVEC(ioapic_intr87), |
| 353 | &IDTVEC(ioapic_intr88), |
| 354 | &IDTVEC(ioapic_intr89), |
| 355 | &IDTVEC(ioapic_intr90), |
| 356 | &IDTVEC(ioapic_intr91), |
| 357 | &IDTVEC(ioapic_intr92), |
| 358 | &IDTVEC(ioapic_intr93), |
| 359 | &IDTVEC(ioapic_intr94), |
| 360 | &IDTVEC(ioapic_intr95), |
| 361 | &IDTVEC(ioapic_intr96), |
| 362 | &IDTVEC(ioapic_intr97), |
| 363 | &IDTVEC(ioapic_intr98), |
| 364 | &IDTVEC(ioapic_intr99), |
| 365 | &IDTVEC(ioapic_intr100), |
| 366 | &IDTVEC(ioapic_intr101), |
| 367 | &IDTVEC(ioapic_intr102), |
| 368 | &IDTVEC(ioapic_intr103), |
| 369 | &IDTVEC(ioapic_intr104), |
| 370 | &IDTVEC(ioapic_intr105), |
| 371 | &IDTVEC(ioapic_intr106), |
| 372 | &IDTVEC(ioapic_intr107), |
| 373 | &IDTVEC(ioapic_intr108), |
| 374 | &IDTVEC(ioapic_intr109), |
| 375 | &IDTVEC(ioapic_intr110), |
| 376 | &IDTVEC(ioapic_intr111), |
| 377 | &IDTVEC(ioapic_intr112), |
| 378 | &IDTVEC(ioapic_intr113), |
| 379 | &IDTVEC(ioapic_intr114), |
| 380 | &IDTVEC(ioapic_intr115), |
| 381 | &IDTVEC(ioapic_intr116), |
| 382 | &IDTVEC(ioapic_intr117), |
| 383 | &IDTVEC(ioapic_intr118), |
| 384 | &IDTVEC(ioapic_intr119), |
| 385 | &IDTVEC(ioapic_intr120), |
| 386 | &IDTVEC(ioapic_intr121), |
| 387 | &IDTVEC(ioapic_intr122), |
| 388 | &IDTVEC(ioapic_intr123), |
| 389 | &IDTVEC(ioapic_intr124), |
| 390 | &IDTVEC(ioapic_intr125), |
| 391 | &IDTVEC(ioapic_intr126), |
| 392 | &IDTVEC(ioapic_intr127), |
| 393 | &IDTVEC(ioapic_intr128), |
| 394 | &IDTVEC(ioapic_intr129), |
| 395 | &IDTVEC(ioapic_intr130), |
| 396 | &IDTVEC(ioapic_intr131), |
| 397 | &IDTVEC(ioapic_intr132), |
| 398 | &IDTVEC(ioapic_intr133), |
| 399 | &IDTVEC(ioapic_intr134), |
| 400 | &IDTVEC(ioapic_intr135), |
| 401 | &IDTVEC(ioapic_intr136), |
| 402 | &IDTVEC(ioapic_intr137), |
| 403 | &IDTVEC(ioapic_intr138), |
| 404 | &IDTVEC(ioapic_intr139), |
| 405 | &IDTVEC(ioapic_intr140), |
| 406 | &IDTVEC(ioapic_intr141), |
| 407 | &IDTVEC(ioapic_intr142), |
| 408 | &IDTVEC(ioapic_intr143), |
| 409 | &IDTVEC(ioapic_intr144), |
| 410 | &IDTVEC(ioapic_intr145), |
| 411 | &IDTVEC(ioapic_intr146), |
| 412 | &IDTVEC(ioapic_intr147), |
| 413 | &IDTVEC(ioapic_intr148), |
| 414 | &IDTVEC(ioapic_intr149), |
| 415 | &IDTVEC(ioapic_intr150), |
| 416 | &IDTVEC(ioapic_intr151), |
| 417 | &IDTVEC(ioapic_intr152), |
| 418 | &IDTVEC(ioapic_intr153), |
| 419 | &IDTVEC(ioapic_intr154), |
| 420 | &IDTVEC(ioapic_intr155), |
| 421 | &IDTVEC(ioapic_intr156), |
| 422 | &IDTVEC(ioapic_intr157), |
| 423 | &IDTVEC(ioapic_intr158), |
| 424 | &IDTVEC(ioapic_intr159), |
| 425 | &IDTVEC(ioapic_intr160), |
| 426 | &IDTVEC(ioapic_intr161), |
| 427 | &IDTVEC(ioapic_intr162), |
| 428 | &IDTVEC(ioapic_intr163), |
| 429 | &IDTVEC(ioapic_intr164), |
| 430 | &IDTVEC(ioapic_intr165), |
| 431 | &IDTVEC(ioapic_intr166), |
| 432 | &IDTVEC(ioapic_intr167), |
| 433 | &IDTVEC(ioapic_intr168), |
| 434 | &IDTVEC(ioapic_intr169), |
| 435 | &IDTVEC(ioapic_intr170), |
| 436 | &IDTVEC(ioapic_intr171), |
| 437 | &IDTVEC(ioapic_intr172), |
| 438 | &IDTVEC(ioapic_intr173), |
| 439 | &IDTVEC(ioapic_intr174), |
| 440 | &IDTVEC(ioapic_intr175), |
| 441 | &IDTVEC(ioapic_intr176), |
| 442 | &IDTVEC(ioapic_intr177), |
| 443 | &IDTVEC(ioapic_intr178), |
| 444 | &IDTVEC(ioapic_intr179), |
| 445 | &IDTVEC(ioapic_intr180), |
| 446 | &IDTVEC(ioapic_intr181), |
| 447 | &IDTVEC(ioapic_intr182), |
| 448 | &IDTVEC(ioapic_intr183), |
| 449 | &IDTVEC(ioapic_intr184), |
| 450 | &IDTVEC(ioapic_intr185), |
| 451 | &IDTVEC(ioapic_intr186), |
| 452 | &IDTVEC(ioapic_intr187), |
| 453 | &IDTVEC(ioapic_intr188), |
| 454 | &IDTVEC(ioapic_intr189), |
| 455 | &IDTVEC(ioapic_intr190), |
| 456 | &IDTVEC(ioapic_intr191) |
| 457 | }; |
| 458 | |
| 459 | #define IOAPIC_HWI_SYSCALL (IDT_OFFSET_SYSCALL - IDT_OFFSET) |
| 460 | |
| 461 | static struct ioapic_irqmap { |
| 462 | int im_type; /* IOAPIC_IMT_ */ |
| 463 | enum intr_trigger im_trig; |
| 464 | enum intr_polarity im_pola; |
| 465 | int im_gsi; |
| 466 | uint32_t im_flags; /* IOAPIC_IMF_ */ |
| 467 | } ioapic_irqmaps[MAXCPU][IOAPIC_HWI_VECTORS]; |
| 468 | |
| 469 | #define IOAPIC_IMT_UNUSED 0 |
| 470 | #define IOAPIC_IMT_RESERVED 1 |
| 471 | #define IOAPIC_IMT_LINE 2 |
| 472 | #define IOAPIC_IMT_SYSCALL 3 |
| 473 | |
| 474 | #define IOAPIC_IMT_ISHWI(map) ((map)->im_type != IOAPIC_IMT_RESERVED && \ |
| 475 | (map)->im_type != IOAPIC_IMT_SYSCALL) |
| 476 | |
| 477 | #define IOAPIC_IMF_CONF 0x1 |
| 478 | |
| 479 | extern void IOAPIC_INTREN(int); |
| 480 | extern void IOAPIC_INTRDIS(int); |
| 481 | |
| 482 | extern int imcr_present; |
| 483 | |
| 484 | static void ioapic_abi_intr_enable(int); |
| 485 | static void ioapic_abi_intr_disable(int); |
| 486 | static void ioapic_abi_intr_setup(int, int); |
| 487 | static void ioapic_abi_intr_teardown(int); |
| 488 | static void ioapic_abi_intr_config(int, |
| 489 | enum intr_trigger, enum intr_polarity); |
| 490 | static int ioapic_abi_intr_cpuid(int); |
| 491 | |
| 492 | static void ioapic_abi_finalize(void); |
| 493 | static void ioapic_abi_cleanup(void); |
| 494 | static void ioapic_abi_setdefault(void); |
| 495 | static void ioapic_abi_stabilize(void); |
| 496 | static void ioapic_abi_initmap(void); |
| 497 | static void ioapic_abi_rman_setup(struct rman *); |
| 498 | |
| 499 | static int ioapic_abi_gsi_cpuid(int, int); |
| 500 | |
| 501 | struct machintr_abi MachIntrABI_IOAPIC = { |
| 502 | MACHINTR_IOAPIC, |
| 503 | .intr_disable = ioapic_abi_intr_disable, |
| 504 | .intr_enable = ioapic_abi_intr_enable, |
| 505 | .intr_setup = ioapic_abi_intr_setup, |
| 506 | .intr_teardown = ioapic_abi_intr_teardown, |
| 507 | .intr_config = ioapic_abi_intr_config, |
| 508 | .intr_cpuid = ioapic_abi_intr_cpuid, |
| 509 | |
| 510 | .finalize = ioapic_abi_finalize, |
| 511 | .cleanup = ioapic_abi_cleanup, |
| 512 | .setdefault = ioapic_abi_setdefault, |
| 513 | .stabilize = ioapic_abi_stabilize, |
| 514 | .initmap = ioapic_abi_initmap, |
| 515 | .rman_setup = ioapic_abi_rman_setup |
| 516 | }; |
| 517 | |
| 518 | static int ioapic_abi_extint_irq = -1; |
| 519 | static int ioapic_abi_line_irq_max; |
| 520 | static int ioapic_abi_gsi_balance; |
| 521 | |
| 522 | struct ioapic_irqinfo ioapic_irqs[IOAPIC_HWI_VECTORS]; |
| 523 | |
| 524 | static void |
| 525 | ioapic_abi_intr_enable(int irq) |
| 526 | { |
| 527 | const struct ioapic_irqmap *map; |
| 528 | |
| 529 | KASSERT(irq >= 0 && irq < IOAPIC_HWI_VECTORS, |
| 530 | ("ioapic enable, invalid irq %d\n", irq)); |
| 531 | |
| 532 | map = &ioapic_irqmaps[mycpuid][irq]; |
| 533 | KASSERT(IOAPIC_IMT_ISHWI(map), |
| 534 | ("ioapic enable, not hwi irq %d, type %d, cpu%d\n", |
| 535 | irq, map->im_type, mycpuid)); |
| 536 | if (map->im_type != IOAPIC_IMT_LINE) { |
| 537 | kprintf("ioapic enable, irq %d cpu%d not LINE\n", |
| 538 | irq, mycpuid); |
| 539 | return; |
| 540 | } |
| 541 | |
| 542 | IOAPIC_INTREN(irq); |
| 543 | } |
| 544 | |
| 545 | static void |
| 546 | ioapic_abi_intr_disable(int irq) |
| 547 | { |
| 548 | const struct ioapic_irqmap *map; |
| 549 | |
| 550 | KASSERT(irq >= 0 && irq < IOAPIC_HWI_VECTORS, |
| 551 | ("ioapic disable, invalid irq %d\n", irq)); |
| 552 | |
| 553 | map = &ioapic_irqmaps[mycpuid][irq]; |
| 554 | KASSERT(IOAPIC_IMT_ISHWI(map), |
| 555 | ("ioapic disable, not hwi irq %d, type %d, cpu%d\n", |
| 556 | irq, map->im_type, mycpuid)); |
| 557 | if (map->im_type != IOAPIC_IMT_LINE) { |
| 558 | kprintf("ioapic disable, irq %d cpu%d not LINE\n", |
| 559 | irq, mycpuid); |
| 560 | return; |
| 561 | } |
| 562 | |
| 563 | IOAPIC_INTRDIS(irq); |
| 564 | } |
| 565 | |
| 566 | static void |
| 567 | ioapic_abi_finalize(void) |
| 568 | { |
| 569 | KKASSERT(MachIntrABI.type == MACHINTR_IOAPIC); |
| 570 | KKASSERT(ioapic_enable); |
| 571 | |
| 572 | /* |
| 573 | * If an IMCR is present, program bit 0 to disconnect the 8259 |
| 574 | * from the BSP. |
| 575 | */ |
| 576 | if (imcr_present) { |
| 577 | outb(0x22, 0x70); /* select IMCR */ |
| 578 | outb(0x23, 0x01); /* disconnect 8259 */ |
| 579 | } |
| 580 | } |
| 581 | |
| 582 | /* |
| 583 | * This routine is called after physical interrupts are enabled but before |
| 584 | * the critical section is released. We need to clean out any interrupts |
| 585 | * that had already been posted to the cpu. |
| 586 | */ |
| 587 | static void |
| 588 | ioapic_abi_cleanup(void) |
| 589 | { |
| 590 | bzero(mdcpu->gd_ipending, sizeof(mdcpu->gd_ipending)); |
| 591 | } |
| 592 | |
| 593 | /* Must never be called */ |
| 594 | static void |
| 595 | ioapic_abi_stabilize(void) |
| 596 | { |
| 597 | panic("ioapic_stabilize is called\n"); |
| 598 | } |
| 599 | |
| 600 | static void |
| 601 | ioapic_abi_intr_setup(int intr, int flags) |
| 602 | { |
| 603 | const struct ioapic_irqmap *map; |
| 604 | int vector, select; |
| 605 | uint32_t value; |
| 606 | register_t ef; |
| 607 | |
| 608 | KASSERT(intr >= 0 && intr < IOAPIC_HWI_VECTORS, |
| 609 | ("ioapic setup, invalid irq %d\n", intr)); |
| 610 | |
| 611 | map = &ioapic_irqmaps[mycpuid][intr]; |
| 612 | KASSERT(IOAPIC_IMT_ISHWI(map), |
| 613 | ("ioapic setup, not hwi irq %d, type %d, cpu%d", |
| 614 | intr, map->im_type, mycpuid)); |
| 615 | if (map->im_type != IOAPIC_IMT_LINE) { |
| 616 | kprintf("ioapic setup, irq %d cpu%d not LINE\n", |
| 617 | intr, mycpuid); |
| 618 | return; |
| 619 | } |
| 620 | |
| 621 | KASSERT(ioapic_irqs[intr].io_addr != NULL, |
| 622 | ("ioapic setup, no GSI information, irq %d\n", intr)); |
| 623 | |
| 624 | ef = read_rflags(); |
| 625 | cpu_disable_intr(); |
| 626 | |
| 627 | vector = IDT_OFFSET + intr; |
| 628 | |
| 629 | /* |
| 630 | * Now reprogram the vector in the IO APIC. In order to avoid |
| 631 | * losing an EOI for a level interrupt, which is vector based, |
| 632 | * make sure that the IO APIC is programmed for edge-triggering |
| 633 | * first, then reprogrammed with the new vector. This should |
| 634 | * clear the IRR bit. |
| 635 | */ |
| 636 | imen_lock(); |
| 637 | |
| 638 | select = ioapic_irqs[intr].io_idx; |
| 639 | value = ioapic_read(ioapic_irqs[intr].io_addr, select); |
| 640 | value |= IOART_INTMSET; |
| 641 | |
| 642 | ioapic_write(ioapic_irqs[intr].io_addr, select, |
| 643 | (value & ~APIC_TRIGMOD_MASK)); |
| 644 | ioapic_write(ioapic_irqs[intr].io_addr, select, |
| 645 | (value & ~IOART_INTVEC) | vector); |
| 646 | |
| 647 | imen_unlock(); |
| 648 | |
| 649 | machintr_intr_enable(intr); |
| 650 | |
| 651 | write_rflags(ef); |
| 652 | } |
| 653 | |
| 654 | static void |
| 655 | ioapic_abi_intr_teardown(int intr) |
| 656 | { |
| 657 | const struct ioapic_irqmap *map; |
| 658 | int vector, select; |
| 659 | uint32_t value; |
| 660 | register_t ef; |
| 661 | |
| 662 | KASSERT(intr >= 0 && intr < IOAPIC_HWI_VECTORS, |
| 663 | ("ioapic teardown, invalid irq %d\n", intr)); |
| 664 | |
| 665 | map = &ioapic_irqmaps[mycpuid][intr]; |
| 666 | KASSERT(IOAPIC_IMT_ISHWI(map), |
| 667 | ("ioapic teardown, not hwi irq %d, type %d, cpu%d", |
| 668 | intr, map->im_type, mycpuid)); |
| 669 | if (map->im_type != IOAPIC_IMT_LINE) { |
| 670 | kprintf("ioapic teardown, irq %d cpu%d not LINE\n", |
| 671 | intr, mycpuid); |
| 672 | return; |
| 673 | } |
| 674 | |
| 675 | KASSERT(ioapic_irqs[intr].io_addr != NULL, |
| 676 | ("ioapic teardown, no GSI information, irq %d\n", intr)); |
| 677 | |
| 678 | ef = read_rflags(); |
| 679 | cpu_disable_intr(); |
| 680 | |
| 681 | /* |
| 682 | * Teardown an interrupt vector. The vector should already be |
| 683 | * installed in the cpu's IDT, but make sure. |
| 684 | */ |
| 685 | machintr_intr_disable(intr); |
| 686 | |
| 687 | vector = IDT_OFFSET + intr; |
| 688 | |
| 689 | /* |
| 690 | * In order to avoid losing an EOI for a level interrupt, which |
| 691 | * is vector based, make sure that the IO APIC is programmed for |
| 692 | * edge-triggering first, then reprogrammed with the new vector. |
| 693 | * This should clear the IRR bit. |
| 694 | */ |
| 695 | imen_lock(); |
| 696 | |
| 697 | select = ioapic_irqs[intr].io_idx; |
| 698 | value = ioapic_read(ioapic_irqs[intr].io_addr, select); |
| 699 | |
| 700 | ioapic_write(ioapic_irqs[intr].io_addr, select, |
| 701 | (value & ~APIC_TRIGMOD_MASK)); |
| 702 | ioapic_write(ioapic_irqs[intr].io_addr, select, |
| 703 | (value & ~IOART_INTVEC) | vector); |
| 704 | |
| 705 | imen_unlock(); |
| 706 | |
| 707 | write_rflags(ef); |
| 708 | } |
| 709 | |
| 710 | static void |
| 711 | ioapic_abi_setdefault(void) |
| 712 | { |
| 713 | int intr; |
| 714 | |
| 715 | for (intr = 0; intr < IOAPIC_HWI_VECTORS; ++intr) { |
| 716 | if (intr == IOAPIC_HWI_SYSCALL) |
| 717 | continue; |
| 718 | setidt(IDT_OFFSET + intr, ioapic_intr[intr], SDT_SYSIGT, |
| 719 | SEL_KPL, 0); |
| 720 | } |
| 721 | } |
| 722 | |
| 723 | static void |
| 724 | ioapic_abi_initmap(void) |
| 725 | { |
| 726 | int cpu; |
| 727 | |
| 728 | kgetenv_int("hw.ioapic.gsi.balance", &ioapic_abi_gsi_balance); |
| 729 | |
| 730 | /* |
| 731 | * NOTE: ncpus is not ready yet |
| 732 | */ |
| 733 | for (cpu = 0; cpu < MAXCPU; ++cpu) { |
| 734 | int i; |
| 735 | |
| 736 | for (i = 0; i < IOAPIC_HWI_VECTORS; ++i) |
| 737 | ioapic_irqmaps[cpu][i].im_gsi = -1; |
| 738 | ioapic_irqmaps[cpu][IOAPIC_HWI_SYSCALL].im_type = |
| 739 | IOAPIC_IMT_SYSCALL; |
| 740 | } |
| 741 | } |
| 742 | |
| 743 | void |
| 744 | ioapic_abi_set_irqmap(int irq, int gsi, enum intr_trigger trig, |
| 745 | enum intr_polarity pola) |
| 746 | { |
| 747 | struct ioapic_irqinfo *info; |
| 748 | struct ioapic_irqmap *map; |
| 749 | void *ioaddr; |
| 750 | int pin, cpuid; |
| 751 | |
| 752 | KKASSERT(trig == INTR_TRIGGER_EDGE || trig == INTR_TRIGGER_LEVEL); |
| 753 | KKASSERT(pola == INTR_POLARITY_HIGH || pola == INTR_POLARITY_LOW); |
| 754 | |
| 755 | KKASSERT(irq >= 0 && irq < IOAPIC_HWI_VECTORS); |
| 756 | if (irq > ioapic_abi_line_irq_max) |
| 757 | ioapic_abi_line_irq_max = irq; |
| 758 | |
| 759 | cpuid = ioapic_abi_gsi_cpuid(irq, gsi); |
| 760 | |
| 761 | map = &ioapic_irqmaps[cpuid][irq]; |
| 762 | |
| 763 | KKASSERT(map->im_type == IOAPIC_IMT_UNUSED); |
| 764 | map->im_type = IOAPIC_IMT_LINE; |
| 765 | |
| 766 | map->im_gsi = gsi; |
| 767 | map->im_trig = trig; |
| 768 | map->im_pola = pola; |
| 769 | |
| 770 | if (bootverbose) { |
| 771 | kprintf("IOAPIC: irq %d -> gsi %d %s/%s\n", |
| 772 | irq, map->im_gsi, |
| 773 | intr_str_trigger(map->im_trig), |
| 774 | intr_str_polarity(map->im_pola)); |
| 775 | } |
| 776 | |
| 777 | pin = ioapic_gsi_pin(map->im_gsi); |
| 778 | ioaddr = ioapic_gsi_ioaddr(map->im_gsi); |
| 779 | |
| 780 | info = &ioapic_irqs[irq]; |
| 781 | |
| 782 | imen_lock(); |
| 783 | |
| 784 | info->io_addr = ioaddr; |
| 785 | info->io_idx = IOAPIC_REDTBL + (2 * pin); |
| 786 | info->io_flags = IOAPIC_IRQI_FLAG_MASKED; |
| 787 | if (map->im_trig == INTR_TRIGGER_LEVEL) |
| 788 | info->io_flags |= IOAPIC_IRQI_FLAG_LEVEL; |
| 789 | |
| 790 | ioapic_pin_setup(ioaddr, pin, IDT_OFFSET + irq, |
| 791 | map->im_trig, map->im_pola, cpuid); |
| 792 | |
| 793 | imen_unlock(); |
| 794 | } |
| 795 | |
| 796 | void |
| 797 | ioapic_abi_fixup_irqmap(void) |
| 798 | { |
| 799 | int cpu; |
| 800 | |
| 801 | for (cpu = 0; cpu < ncpus; ++cpu) { |
| 802 | int i; |
| 803 | |
| 804 | for (i = 0; i < ISA_IRQ_CNT; ++i) { |
| 805 | struct ioapic_irqmap *map = &ioapic_irqmaps[cpu][i]; |
| 806 | |
| 807 | if (map->im_type == IOAPIC_IMT_UNUSED) { |
| 808 | map->im_type = IOAPIC_IMT_RESERVED; |
| 809 | if (bootverbose) { |
| 810 | kprintf("IOAPIC: " |
| 811 | "cpu%d irq %d reserved\n", cpu, i); |
| 812 | } |
| 813 | } |
| 814 | } |
| 815 | } |
| 816 | |
| 817 | ioapic_abi_line_irq_max += 1; |
| 818 | if (bootverbose) |
| 819 | kprintf("IOAPIC: line irq max %d\n", ioapic_abi_line_irq_max); |
| 820 | } |
| 821 | |
| 822 | int |
| 823 | ioapic_abi_find_gsi(int gsi, enum intr_trigger trig, enum intr_polarity pola) |
| 824 | { |
| 825 | int cpu; |
| 826 | |
| 827 | KKASSERT(trig == INTR_TRIGGER_EDGE || trig == INTR_TRIGGER_LEVEL); |
| 828 | KKASSERT(pola == INTR_POLARITY_HIGH || pola == INTR_POLARITY_LOW); |
| 829 | |
| 830 | for (cpu = 0; cpu < ncpus; ++cpu) { |
| 831 | int irq; |
| 832 | |
| 833 | for (irq = 0; irq < ioapic_abi_line_irq_max; ++irq) { |
| 834 | const struct ioapic_irqmap *map = |
| 835 | &ioapic_irqmaps[cpu][irq]; |
| 836 | |
| 837 | if (map->im_gsi == gsi) { |
| 838 | KKASSERT(map->im_type == IOAPIC_IMT_LINE); |
| 839 | |
| 840 | if (map->im_flags & IOAPIC_IMF_CONF) { |
| 841 | if (map->im_trig != trig || |
| 842 | map->im_pola != pola) |
| 843 | return -1; |
| 844 | } |
| 845 | return irq; |
| 846 | } |
| 847 | } |
| 848 | } |
| 849 | return -1; |
| 850 | } |
| 851 | |
| 852 | int |
| 853 | ioapic_abi_find_irq(int irq, enum intr_trigger trig, enum intr_polarity pola) |
| 854 | { |
| 855 | int cpu; |
| 856 | |
| 857 | KKASSERT(trig == INTR_TRIGGER_EDGE || trig == INTR_TRIGGER_LEVEL); |
| 858 | KKASSERT(pola == INTR_POLARITY_HIGH || pola == INTR_POLARITY_LOW); |
| 859 | |
| 860 | if (irq < 0 || irq >= ioapic_abi_line_irq_max) |
| 861 | return -1; |
| 862 | |
| 863 | for (cpu = 0; cpu < ncpus; ++cpu) { |
| 864 | const struct ioapic_irqmap *map = &ioapic_irqmaps[cpu][irq]; |
| 865 | |
| 866 | if (map->im_type == IOAPIC_IMT_LINE) { |
| 867 | if (map->im_flags & IOAPIC_IMF_CONF) { |
| 868 | if (map->im_trig != trig || |
| 869 | map->im_pola != pola) |
| 870 | return -1; |
| 871 | } |
| 872 | return irq; |
| 873 | } |
| 874 | } |
| 875 | return -1; |
| 876 | } |
| 877 | |
| 878 | static void |
| 879 | ioapic_abi_intr_config(int irq, enum intr_trigger trig, enum intr_polarity pola) |
| 880 | { |
| 881 | struct ioapic_irqinfo *info; |
| 882 | struct ioapic_irqmap *map = NULL; |
| 883 | void *ioaddr; |
| 884 | int pin, cpuid; |
| 885 | |
| 886 | KKASSERT(trig == INTR_TRIGGER_EDGE || trig == INTR_TRIGGER_LEVEL); |
| 887 | KKASSERT(pola == INTR_POLARITY_HIGH || pola == INTR_POLARITY_LOW); |
| 888 | |
| 889 | KKASSERT(irq >= 0 && irq < ioapic_abi_line_irq_max); |
| 890 | for (cpuid = 0; cpuid < ncpus; ++cpuid) { |
| 891 | map = &ioapic_irqmaps[cpuid][irq]; |
| 892 | if (map->im_type == IOAPIC_IMT_LINE) |
| 893 | break; |
| 894 | } |
| 895 | KKASSERT(cpuid < ncpus); |
| 896 | |
| 897 | #ifdef notyet |
| 898 | if (map->im_flags & IOAPIC_IMF_CONF) { |
| 899 | if (trig != map->im_trig) { |
| 900 | panic("ioapic_intr_config: trig %s -> %s\n", |
| 901 | intr_str_trigger(map->im_trig), |
| 902 | intr_str_trigger(trig)); |
| 903 | } |
| 904 | if (pola != map->im_pola) { |
| 905 | panic("ioapic_intr_config: pola %s -> %s\n", |
| 906 | intr_str_polarity(map->im_pola), |
| 907 | intr_str_polarity(pola)); |
| 908 | } |
| 909 | return; |
| 910 | } |
| 911 | #endif |
| 912 | map->im_flags |= IOAPIC_IMF_CONF; |
| 913 | |
| 914 | if (trig == map->im_trig && pola == map->im_pola) |
| 915 | return; |
| 916 | |
| 917 | if (bootverbose) { |
| 918 | kprintf("IOAPIC: irq %d, gsi %d %s/%s -> %s/%s\n", |
| 919 | irq, map->im_gsi, |
| 920 | intr_str_trigger(map->im_trig), |
| 921 | intr_str_polarity(map->im_pola), |
| 922 | intr_str_trigger(trig), |
| 923 | intr_str_polarity(pola)); |
| 924 | } |
| 925 | map->im_trig = trig; |
| 926 | map->im_pola = pola; |
| 927 | |
| 928 | pin = ioapic_gsi_pin(map->im_gsi); |
| 929 | ioaddr = ioapic_gsi_ioaddr(map->im_gsi); |
| 930 | |
| 931 | info = &ioapic_irqs[irq]; |
| 932 | |
| 933 | imen_lock(); |
| 934 | |
| 935 | info->io_flags &= ~IOAPIC_IRQI_FLAG_LEVEL; |
| 936 | if (map->im_trig == INTR_TRIGGER_LEVEL) |
| 937 | info->io_flags |= IOAPIC_IRQI_FLAG_LEVEL; |
| 938 | |
| 939 | ioapic_pin_setup(ioaddr, pin, IDT_OFFSET + irq, |
| 940 | map->im_trig, map->im_pola, cpuid); |
| 941 | |
| 942 | imen_unlock(); |
| 943 | } |
| 944 | |
| 945 | int |
| 946 | ioapic_abi_extint_irqmap(int irq) |
| 947 | { |
| 948 | struct ioapic_irqinfo *info; |
| 949 | struct ioapic_irqmap *map; |
| 950 | void *ioaddr; |
| 951 | int pin, error, vec; |
| 952 | |
| 953 | /* XXX only irq0 is allowed */ |
| 954 | KKASSERT(irq == 0); |
| 955 | |
| 956 | vec = IDT_OFFSET + irq; |
| 957 | |
| 958 | if (ioapic_abi_extint_irq == irq) |
| 959 | return 0; |
| 960 | else if (ioapic_abi_extint_irq >= 0) |
| 961 | return EEXIST; |
| 962 | |
| 963 | error = icu_ioapic_extint(irq, vec); |
| 964 | if (error) |
| 965 | return error; |
| 966 | |
| 967 | /* ExtINT is always targeted to cpu0 */ |
| 968 | map = &ioapic_irqmaps[0][irq]; |
| 969 | |
| 970 | KKASSERT(map->im_type == IOAPIC_IMT_RESERVED || |
| 971 | map->im_type == IOAPIC_IMT_LINE); |
| 972 | if (map->im_type == IOAPIC_IMT_LINE) { |
| 973 | if (map->im_flags & IOAPIC_IMF_CONF) |
| 974 | return EEXIST; |
| 975 | } |
| 976 | ioapic_abi_extint_irq = irq; |
| 977 | |
| 978 | map->im_type = IOAPIC_IMT_LINE; |
| 979 | map->im_trig = INTR_TRIGGER_EDGE; |
| 980 | map->im_pola = INTR_POLARITY_HIGH; |
| 981 | map->im_flags = IOAPIC_IMF_CONF; |
| 982 | |
| 983 | map->im_gsi = ioapic_extpin_gsi(); |
| 984 | KKASSERT(map->im_gsi >= 0); |
| 985 | |
| 986 | if (bootverbose) { |
| 987 | kprintf("IOAPIC: irq %d -> extint gsi %d %s/%s\n", |
| 988 | irq, map->im_gsi, |
| 989 | intr_str_trigger(map->im_trig), |
| 990 | intr_str_polarity(map->im_pola)); |
| 991 | } |
| 992 | |
| 993 | pin = ioapic_gsi_pin(map->im_gsi); |
| 994 | ioaddr = ioapic_gsi_ioaddr(map->im_gsi); |
| 995 | |
| 996 | info = &ioapic_irqs[irq]; |
| 997 | |
| 998 | imen_lock(); |
| 999 | |
| 1000 | info->io_addr = ioaddr; |
| 1001 | info->io_idx = IOAPIC_REDTBL + (2 * pin); |
| 1002 | info->io_flags = IOAPIC_IRQI_FLAG_MASKED; |
| 1003 | |
| 1004 | ioapic_extpin_setup(ioaddr, pin, vec); |
| 1005 | |
| 1006 | imen_unlock(); |
| 1007 | |
| 1008 | return 0; |
| 1009 | } |
| 1010 | |
| 1011 | static int |
| 1012 | ioapic_abi_intr_cpuid(int irq) |
| 1013 | { |
| 1014 | const struct ioapic_irqmap *map = NULL; |
| 1015 | int cpuid; |
| 1016 | |
| 1017 | KKASSERT(irq >= 0 && irq < ioapic_abi_line_irq_max); |
| 1018 | |
| 1019 | for (cpuid = 0; cpuid < ncpus; ++cpuid) { |
| 1020 | map = &ioapic_irqmaps[cpuid][irq]; |
| 1021 | if (map->im_type == IOAPIC_IMT_LINE) |
| 1022 | return cpuid; |
| 1023 | } |
| 1024 | |
| 1025 | /* XXX some drivers tries to peek at reserved IRQs */ |
| 1026 | for (cpuid = 0; cpuid < ncpus; ++cpuid) { |
| 1027 | map = &ioapic_irqmaps[cpuid][irq]; |
| 1028 | KKASSERT(map->im_type == IOAPIC_IMT_RESERVED); |
| 1029 | } |
| 1030 | return 0; |
| 1031 | } |
| 1032 | |
| 1033 | static int |
| 1034 | ioapic_abi_gsi_cpuid(int irq, int gsi) |
| 1035 | { |
| 1036 | char envpath[32]; |
| 1037 | int cpuid = -1; |
| 1038 | |
| 1039 | KKASSERT(gsi >= 0); |
| 1040 | |
| 1041 | if (irq == 0 || gsi == 0) { |
| 1042 | if (bootverbose) { |
| 1043 | kprintf("IOAPIC: irq %d, gsi %d -> cpu0 (0)\n", |
| 1044 | irq, gsi); |
| 1045 | } |
| 1046 | return 0; |
| 1047 | } |
| 1048 | |
| 1049 | if (irq == acpi_sci_irqno()) { |
| 1050 | if (bootverbose) { |
| 1051 | kprintf("IOAPIC: irq %d, gsi %d -> cpu0 (sci)\n", |
| 1052 | irq, gsi); |
| 1053 | } |
| 1054 | return 0; |
| 1055 | } |
| 1056 | |
| 1057 | ksnprintf(envpath, sizeof(envpath), "hw.ioapic.gsi.%d.cpu", gsi); |
| 1058 | kgetenv_int(envpath, &cpuid); |
| 1059 | |
| 1060 | if (cpuid < 0) { |
| 1061 | if (!ioapic_abi_gsi_balance) { |
| 1062 | if (bootverbose) { |
| 1063 | kprintf("IOAPIC: irq %d, gsi %d -> cpu0 " |
| 1064 | "(fixed)\n", irq, gsi); |
| 1065 | } |
| 1066 | return 0; |
| 1067 | } |
| 1068 | |
| 1069 | cpuid = gsi % ncpus; |
| 1070 | if (bootverbose) { |
| 1071 | kprintf("IOAPIC: irq %d, gsi %d -> cpu%d (auto)\n", |
| 1072 | irq, gsi, cpuid); |
| 1073 | } |
| 1074 | } else if (cpuid >= ncpus) { |
| 1075 | cpuid = ncpus - 1; |
| 1076 | if (bootverbose) { |
| 1077 | kprintf("IOAPIC: irq %d, gsi %d -> cpu%d (fixup)\n", |
| 1078 | irq, gsi, cpuid); |
| 1079 | } |
| 1080 | } else { |
| 1081 | if (bootverbose) { |
| 1082 | kprintf("IOAPIC: irq %d, gsi %d -> cpu%d (user)\n", |
| 1083 | irq, gsi, cpuid); |
| 1084 | } |
| 1085 | } |
| 1086 | return cpuid; |
| 1087 | } |
| 1088 | |
| 1089 | static void |
| 1090 | ioapic_abi_rman_setup(struct rman *rm) |
| 1091 | { |
| 1092 | int start, end, i; |
| 1093 | |
| 1094 | KASSERT(rm->rm_cpuid >= 0 && rm->rm_cpuid < MAXCPU, |
| 1095 | ("invalid rman cpuid %d", rm->rm_cpuid)); |
| 1096 | |
| 1097 | start = end = -1; |
| 1098 | for (i = 0; i < IOAPIC_HWI_VECTORS; ++i) { |
| 1099 | const struct ioapic_irqmap *map = |
| 1100 | &ioapic_irqmaps[rm->rm_cpuid][i]; |
| 1101 | |
| 1102 | if (start < 0) { |
| 1103 | if (IOAPIC_IMT_ISHWI(map)) |
| 1104 | start = end = i; |
| 1105 | } else { |
| 1106 | if (IOAPIC_IMT_ISHWI(map)) { |
| 1107 | end = i; |
| 1108 | } else { |
| 1109 | KKASSERT(end >= 0); |
| 1110 | if (bootverbose) { |
| 1111 | kprintf("IOAPIC: rman cpu%d %d - %d\n", |
| 1112 | rm->rm_cpuid, start, end); |
| 1113 | } |
| 1114 | if (rman_manage_region(rm, start, end)) { |
| 1115 | panic("rman_manage_region" |
| 1116 | "(cpu%d %d - %d)", rm->rm_cpuid, |
| 1117 | start, end); |
| 1118 | } |
| 1119 | start = end = -1; |
| 1120 | } |
| 1121 | } |
| 1122 | } |
| 1123 | if (start >= 0) { |
| 1124 | KKASSERT(end >= 0); |
| 1125 | if (bootverbose) { |
| 1126 | kprintf("IOAPIC: rman cpu%d %d - %d\n", |
| 1127 | rm->rm_cpuid, start, end); |
| 1128 | } |
| 1129 | if (rman_manage_region(rm, start, end)) { |
| 1130 | panic("rman_manage_region(cpu%d %d - %d)", |
| 1131 | rm->rm_cpuid, start, end); |
| 1132 | } |
| 1133 | } |
| 1134 | } |