Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 | /*
* Copyright 2018 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include "gk104.h"
#include "cgrp.h"
#include "changk104.h"
#include "user.h"
#include <core/client.h>
#include <core/gpuobj.h>
#include <subdev/bar.h>
#include <subdev/fault.h>
#include <subdev/top.h>
#include <subdev/timer.h>
#include <engine/sw.h>
#include <nvif/class.h>
static void
tu102_fifo_runlist_commit(struct gk104_fifo *fifo, int runl,
struct nvkm_memory *mem, int nr)
{
struct nvkm_device *device = fifo->base.engine.subdev.device;
u64 addr = nvkm_memory_addr(mem);
/*XXX: target? */
nvkm_wr32(device, 0x002b00 + (runl * 0x10), lower_32_bits(addr));
nvkm_wr32(device, 0x002b04 + (runl * 0x10), upper_32_bits(addr));
nvkm_wr32(device, 0x002b08 + (runl * 0x10), nr);
/*XXX: how to wait? can you even wait? */
}
const struct gk104_fifo_runlist_func
tu102_fifo_runlist = {
.size = 16,
.cgrp = gv100_fifo_runlist_cgrp,
.chan = gv100_fifo_runlist_chan,
.commit = tu102_fifo_runlist_commit,
};
static const struct nvkm_enum
tu102_fifo_fault_engine[] = {
{ 0x01, "DISPLAY" },
{ 0x03, "PTP" },
{ 0x06, "PWR_PMU" },
{ 0x08, "IFB", NULL, NVKM_ENGINE_IFB },
{ 0x09, "PERF" },
{ 0x1f, "PHYSICAL" },
{ 0x20, "HOST0" },
{ 0x21, "HOST1" },
{ 0x22, "HOST2" },
{ 0x23, "HOST3" },
{ 0x24, "HOST4" },
{ 0x25, "HOST5" },
{ 0x26, "HOST6" },
{ 0x27, "HOST7" },
{ 0x28, "HOST8" },
{ 0x29, "HOST9" },
{ 0x2a, "HOST10" },
{ 0x2b, "HOST11" },
{ 0x2c, "HOST12" },
{ 0x2d, "HOST13" },
{ 0x2e, "HOST14" },
{ 0x80, "BAR1", NULL, NVKM_SUBDEV_BAR },
{ 0xc0, "BAR2", NULL, NVKM_SUBDEV_INSTMEM },
{}
};
static void
tu102_fifo_pbdma_init(struct gk104_fifo *fifo)
{
struct nvkm_device *device = fifo->base.engine.subdev.device;
const u32 mask = (1 << fifo->pbdma_nr) - 1;
/*XXX: this is a bit of a guess at this point in time. */
nvkm_mask(device, 0xb65000, 0x80000fff, 0x80000000 | mask);
}
static const struct gk104_fifo_pbdma_func
tu102_fifo_pbdma = {
.nr = gm200_fifo_pbdma_nr,
.init = tu102_fifo_pbdma_init,
.init_timeout = gk208_fifo_pbdma_init_timeout,
};
static const struct gk104_fifo_func
tu102_fifo = {
.pbdma = &tu102_fifo_pbdma,
.fault.access = gv100_fifo_fault_access,
.fault.engine = tu102_fifo_fault_engine,
.fault.reason = gv100_fifo_fault_reason,
.fault.hubclient = gv100_fifo_fault_hubclient,
.fault.gpcclient = gv100_fifo_fault_gpcclient,
.runlist = &tu102_fifo_runlist,
.user = {{-1,-1,VOLTA_USERMODE_A }, tu102_fifo_user_new },
.chan = {{ 0, 0,TURING_CHANNEL_GPFIFO_A}, tu102_fifo_gpfifo_new },
.cgrp_force = true,
};
static void
tu102_fifo_recover_work(struct work_struct *w)
{
struct gk104_fifo *fifo = container_of(w, typeof(*fifo), recover.work);
struct nvkm_device *device = fifo->base.engine.subdev.device;
struct nvkm_engine *engine;
unsigned long flags;
u32 engm, runm, todo;
int engn, runl;
spin_lock_irqsave(&fifo->base.lock, flags);
runm = fifo->recover.runm;
engm = fifo->recover.engm;
fifo->recover.engm = 0;
fifo->recover.runm = 0;
spin_unlock_irqrestore(&fifo->base.lock, flags);
nvkm_mask(device, 0x002630, runm, runm);
for (todo = engm; engn = __ffs(todo), todo; todo &= ~BIT(engn)) {
if ((engine = fifo->engine[engn].engine)) {
nvkm_subdev_fini(&engine->subdev, false);
WARN_ON(nvkm_subdev_init(&engine->subdev));
}
}
for (todo = runm; runl = __ffs(todo), todo; todo &= ~BIT(runl))
gk104_fifo_runlist_update(fifo, runl);
nvkm_mask(device, 0x002630, runm, 0x00000000);
}
static void tu102_fifo_recover_engn(struct gk104_fifo *fifo, int engn);
static void
tu102_fifo_recover_runl(struct gk104_fifo *fifo, int runl)
{
struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
struct nvkm_device *device = subdev->device;
const u32 runm = BIT(runl);
assert_spin_locked(&fifo->base.lock);
if (fifo->recover.runm & runm)
return;
fifo->recover.runm |= runm;
/* Block runlist to prevent channel assignment(s) from changing. */
nvkm_mask(device, 0x002630, runm, runm);
/* Schedule recovery. */
nvkm_warn(subdev, "runlist %d: scheduled for recovery\n", runl);
schedule_work(&fifo->recover.work);
}
static struct gk104_fifo_chan *
tu102_fifo_recover_chid(struct gk104_fifo *fifo, int runl, int chid)
{
struct gk104_fifo_chan *chan;
struct nvkm_fifo_cgrp *cgrp;
list_for_each_entry(chan, &fifo->runlist[runl].chan, head) {
if (chan->base.chid == chid) {
list_del_init(&chan->head);
return chan;
}
}
list_for_each_entry(cgrp, &fifo->runlist[runl].cgrp, head) {
if (cgrp->id == chid) {
chan = list_first_entry(&cgrp->chan, typeof(*chan), head);
list_del_init(&chan->head);
if (!--cgrp->chan_nr)
list_del_init(&cgrp->head);
return chan;
}
}
return NULL;
}
static void
tu102_fifo_recover_chan(struct nvkm_fifo *base, int chid)
{
struct gk104_fifo *fifo = gk104_fifo(base);
struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
struct nvkm_device *device = subdev->device;
const u32 stat = nvkm_rd32(device, 0x800004 + (chid * 0x08));
const u32 runl = (stat & 0x000f0000) >> 16;
const bool used = (stat & 0x00000001);
unsigned long engn, engm = fifo->runlist[runl].engm;
struct gk104_fifo_chan *chan;
assert_spin_locked(&fifo->base.lock);
if (!used)
return;
/* Lookup SW state for channel, and mark it as dead. */
chan = tu102_fifo_recover_chid(fifo, runl, chid);
if (chan) {
chan->killed = true;
nvkm_fifo_kevent(&fifo->base, chid);
}
/* Disable channel. */
nvkm_wr32(device, 0x800004 + (chid * 0x08), stat | 0x00000800);
nvkm_warn(subdev, "channel %d: killed\n", chid);
/* Block channel assignments from changing during recovery. */
tu102_fifo_recover_runl(fifo, runl);
/* Schedule recovery for any engines the channel is on. */
for_each_set_bit(engn, &engm, fifo->engine_nr) {
struct gk104_fifo_engine_status status;
gk104_fifo_engine_status(fifo, engn, &status);
if (!status.chan || status.chan->id != chid)
continue;
tu102_fifo_recover_engn(fifo, engn);
}
}
static void
tu102_fifo_recover_engn(struct gk104_fifo *fifo, int engn)
{
struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
struct nvkm_device *device = subdev->device;
const u32 runl = fifo->engine[engn].runl;
const u32 engm = BIT(engn);
struct gk104_fifo_engine_status status;
assert_spin_locked(&fifo->base.lock);
if (fifo->recover.engm & engm)
return;
fifo->recover.engm |= engm;
/* Block channel assignments from changing during recovery. */
tu102_fifo_recover_runl(fifo, runl);
/* Determine which channel (if any) is currently on the engine. */
gk104_fifo_engine_status(fifo, engn, &status);
if (status.chan) {
/* The channel is not longer viable, kill it. */
tu102_fifo_recover_chan(&fifo->base, status.chan->id);
}
/* Preempt the runlist */
nvkm_wr32(device, 0x2638, BIT(runl));
/* Schedule recovery. */
nvkm_warn(subdev, "engine %d: scheduled for recovery\n", engn);
schedule_work(&fifo->recover.work);
}
static void
tu102_fifo_fault(struct nvkm_fifo *base, struct nvkm_fault_data *info)
{
struct gk104_fifo *fifo = gk104_fifo(base);
struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
struct nvkm_device *device = subdev->device;
const struct nvkm_enum *er, *ee, *ec, *ea;
struct nvkm_engine *engine = NULL;
struct nvkm_fifo_chan *chan;
unsigned long flags;
const char *en = "";
char ct[8] = "HUB/";
int engn;
er = nvkm_enum_find(fifo->func->fault.reason, info->reason);
ee = nvkm_enum_find(fifo->func->fault.engine, info->engine);
if (info->hub) {
ec = nvkm_enum_find(fifo->func->fault.hubclient, info->client);
} else {
ec = nvkm_enum_find(fifo->func->fault.gpcclient, info->client);
snprintf(ct, sizeof(ct), "GPC%d/", info->gpc);
}
ea = nvkm_enum_find(fifo->func->fault.access, info->access);
if (ee && ee->data2) {
switch (ee->data2) {
case NVKM_SUBDEV_BAR:
nvkm_bar_bar1_reset(device);
break;
case NVKM_SUBDEV_INSTMEM:
nvkm_bar_bar2_reset(device);
break;
case NVKM_ENGINE_IFB:
nvkm_mask(device, 0x001718, 0x00000000, 0x00000000);
break;
default:
engine = nvkm_device_engine(device, ee->data2, 0);
break;
}
}
if (ee == NULL) {
struct nvkm_subdev *subdev = nvkm_top_fault(device, info->engine);
if (subdev) {
if (subdev->func == &nvkm_engine)
engine = container_of(subdev, typeof(*engine), subdev);
en = engine->subdev.name;
}
} else {
en = ee->name;
}
spin_lock_irqsave(&fifo->base.lock, flags);
chan = nvkm_fifo_chan_inst_locked(&fifo->base, info->inst);
nvkm_error(subdev,
"fault %02x [%s] at %016llx engine %02x [%s] client %02x "
"[%s%s] reason %02x [%s] on channel %d [%010llx %s]\n",
info->access, ea ? ea->name : "", info->addr,
info->engine, ee ? ee->name : en,
info->client, ct, ec ? ec->name : "",
info->reason, er ? er->name : "", chan ? chan->chid : -1,
info->inst, chan ? chan->object.client->name : "unknown");
/* Kill the channel that caused the fault. */
if (chan)
tu102_fifo_recover_chan(&fifo->base, chan->chid);
/* Channel recovery will probably have already done this for the
* correct engine(s), but just in case we can't find the channel
* information...
*/
for (engn = 0; engn < fifo->engine_nr && engine; engn++) {
if (fifo->engine[engn].engine == engine) {
tu102_fifo_recover_engn(fifo, engn);
break;
}
}
spin_unlock_irqrestore(&fifo->base.lock, flags);
}
static void
tu102_fifo_intr_ctxsw_timeout(struct gk104_fifo *fifo)
{
struct nvkm_device *device = fifo->base.engine.subdev.device;
unsigned long flags, engm;
u32 engn;
spin_lock_irqsave(&fifo->base.lock, flags);
engm = nvkm_rd32(device, 0x2a30);
nvkm_wr32(device, 0x2a30, engm);
for_each_set_bit(engn, &engm, 32)
tu102_fifo_recover_engn(fifo, engn);
spin_unlock_irqrestore(&fifo->base.lock, flags);
}
static void
tu102_fifo_intr_sched(struct gk104_fifo *fifo)
{
struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
struct nvkm_device *device = subdev->device;
u32 intr = nvkm_rd32(device, 0x00254c);
u32 code = intr & 0x000000ff;
nvkm_error(subdev, "SCHED_ERROR %02x\n", code);
}
static void
tu102_fifo_intr(struct nvkm_fifo *base)
{
struct gk104_fifo *fifo = gk104_fifo(base);
struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
struct nvkm_device *device = subdev->device;
u32 mask = nvkm_rd32(device, 0x002140);
u32 stat = nvkm_rd32(device, 0x002100) & mask;
if (stat & 0x00000001) {
gk104_fifo_intr_bind(fifo);
nvkm_wr32(device, 0x002100, 0x00000001);
stat &= ~0x00000001;
}
if (stat & 0x00000002) {
tu102_fifo_intr_ctxsw_timeout(fifo);
stat &= ~0x00000002;
}
if (stat & 0x00000100) {
tu102_fifo_intr_sched(fifo);
nvkm_wr32(device, 0x002100, 0x00000100);
stat &= ~0x00000100;
}
if (stat & 0x00010000) {
gk104_fifo_intr_chsw(fifo);
nvkm_wr32(device, 0x002100, 0x00010000);
stat &= ~0x00010000;
}
if (stat & 0x20000000) {
u32 mask = nvkm_rd32(device, 0x0025a0);
while (mask) {
u32 unit = __ffs(mask);
gk104_fifo_intr_pbdma_0(fifo, unit);
gk104_fifo_intr_pbdma_1(fifo, unit);
nvkm_wr32(device, 0x0025a0, (1 << unit));
mask &= ~(1 << unit);
}
stat &= ~0x20000000;
}
if (stat & 0x40000000) {
gk104_fifo_intr_runlist(fifo);
stat &= ~0x40000000;
}
if (stat & 0x80000000) {
nvkm_wr32(device, 0x002100, 0x80000000);
gk104_fifo_intr_engine(fifo);
stat &= ~0x80000000;
}
if (stat) {
nvkm_error(subdev, "INTR %08x\n", stat);
nvkm_mask(device, 0x002140, stat, 0x00000000);
nvkm_wr32(device, 0x002100, stat);
}
}
static const struct nvkm_fifo_func
tu102_fifo_ = {
.dtor = gk104_fifo_dtor,
.oneinit = gk104_fifo_oneinit,
.info = gk104_fifo_info,
.init = gk104_fifo_init,
.fini = gk104_fifo_fini,
.intr = tu102_fifo_intr,
.fault = tu102_fifo_fault,
.engine_id = gk104_fifo_engine_id,
.id_engine = gk104_fifo_id_engine,
.uevent_init = gk104_fifo_uevent_init,
.uevent_fini = gk104_fifo_uevent_fini,
.recover_chan = tu102_fifo_recover_chan,
.class_get = gk104_fifo_class_get,
.class_new = gk104_fifo_class_new,
};
int
tu102_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
struct nvkm_fifo **pfifo)
{
struct gk104_fifo *fifo;
if (!(fifo = kzalloc(sizeof(*fifo), GFP_KERNEL)))
return -ENOMEM;
fifo->func = &tu102_fifo;
INIT_WORK(&fifo->recover.work, tu102_fifo_recover_work);
*pfifo = &fifo->base;
return nvkm_fifo_ctor(&tu102_fifo_, device, type, inst, 4096, &fifo->base);
}
|