diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c | 1249 |
1 files changed, 1249 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c new file mode 100644 index 000000000..e771bd519 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c @@ -0,0 +1,1249 @@ +/* + * Copyright 2012 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. + * + * Authors: Ben Skeggs + */ +#include "gk104.h" +#include "cgrp.h" +#include "changk104.h" + +#include <core/client.h> +#include <core/gpuobj.h> +#include <subdev/bar.h> +#include <subdev/fault.h> +#include <subdev/timer.h> +#include <subdev/top.h> +#include <engine/sw.h> + +#include <nvif/class.h> +#include <nvif/cl0080.h> + +void +gk104_fifo_engine_status(struct gk104_fifo *fifo, int engn, + struct gk104_fifo_engine_status *status) +{ + struct nvkm_engine *engine = fifo->engine[engn].engine; + struct nvkm_subdev *subdev = &fifo->base.engine.subdev; + struct nvkm_device *device = subdev->device; + u32 stat = nvkm_rd32(device, 0x002640 + (engn * 0x08)); + + status->busy = !!(stat & 0x80000000); + status->faulted = !!(stat & 0x40000000); + status->next.tsg = !!(stat & 0x10000000); + status->next.id = (stat & 0x0fff0000) >> 16; + status->chsw = !!(stat & 0x00008000); + status->save = !!(stat & 0x00004000); + status->load = !!(stat & 0x00002000); + status->prev.tsg = !!(stat & 0x00001000); + status->prev.id = (stat & 0x00000fff); + status->chan = NULL; + + if (status->busy && status->chsw) { + if (status->load && status->save) { + if (engine && nvkm_engine_chsw_load(engine)) + status->chan = &status->next; + else + status->chan = &status->prev; + } else + if (status->load) { + status->chan = &status->next; + } else { + status->chan = &status->prev; + } + } else + if (status->load) { + status->chan = &status->prev; + } + + nvkm_debug(subdev, "engine %02d: busy %d faulted %d chsw %d " + "save %d load %d %sid %d%s-> %sid %d%s\n", + engn, status->busy, status->faulted, + status->chsw, status->save, status->load, + status->prev.tsg ? "tsg" : "ch", status->prev.id, + status->chan == &status->prev ? "*" : " ", + status->next.tsg ? "tsg" : "ch", status->next.id, + status->chan == &status->next ? "*" : " "); +} + +int +gk104_fifo_class_new(struct nvkm_fifo *base, const struct nvkm_oclass *oclass, + void *argv, u32 argc, struct nvkm_object **pobject) +{ + struct gk104_fifo *fifo = gk104_fifo(base); + if (oclass->engn == &fifo->func->chan) { + const struct gk104_fifo_chan_user *user = oclass->engn; + return user->ctor(fifo, oclass, argv, argc, pobject); + } else + if (oclass->engn == &fifo->func->user) { + const struct gk104_fifo_user_user *user = oclass->engn; + return user->ctor(oclass, argv, argc, pobject); + } + WARN_ON(1); + return -EINVAL; +} + +int +gk104_fifo_class_get(struct nvkm_fifo *base, int index, + struct nvkm_oclass *oclass) +{ + struct gk104_fifo *fifo = gk104_fifo(base); + int c = 0; + + if (fifo->func->user.ctor && c++ == index) { + oclass->base = fifo->func->user.user; + oclass->engn = &fifo->func->user; + return 0; + } + + if (fifo->func->chan.ctor && c++ == index) { + oclass->base = fifo->func->chan.user; + oclass->engn = &fifo->func->chan; + return 0; + } + + return c; +} + +void +gk104_fifo_uevent_fini(struct nvkm_fifo *fifo) +{ + struct nvkm_device *device = fifo->engine.subdev.device; + nvkm_mask(device, 0x002140, 0x80000000, 0x00000000); +} + +void +gk104_fifo_uevent_init(struct nvkm_fifo *fifo) +{ + struct nvkm_device *device = fifo->engine.subdev.device; + nvkm_mask(device, 0x002140, 0x80000000, 0x80000000); +} + +void +gk104_fifo_runlist_commit(struct gk104_fifo *fifo, int runl, + struct nvkm_memory *mem, int nr) +{ + struct nvkm_subdev *subdev = &fifo->base.engine.subdev; + struct nvkm_device *device = subdev->device; + int target; + + switch (nvkm_memory_target(mem)) { + case NVKM_MEM_TARGET_VRAM: target = 0; break; + case NVKM_MEM_TARGET_NCOH: target = 3; break; + default: + WARN_ON(1); + return; + } + + nvkm_wr32(device, 0x002270, (nvkm_memory_addr(mem) >> 12) | + (target << 28)); + nvkm_wr32(device, 0x002274, (runl << 20) | nr); + + if (nvkm_msec(device, 2000, + if (!(nvkm_rd32(device, 0x002284 + (runl * 0x08)) & 0x00100000)) + break; + ) < 0) + nvkm_error(subdev, "runlist %d update timeout\n", runl); +} + +void +gk104_fifo_runlist_update(struct gk104_fifo *fifo, int runl) +{ + const struct gk104_fifo_runlist_func *func = fifo->func->runlist; + struct gk104_fifo_chan *chan; + struct nvkm_memory *mem; + struct nvkm_fifo_cgrp *cgrp; + int nr = 0; + + mutex_lock(&fifo->base.mutex); + mem = fifo->runlist[runl].mem[fifo->runlist[runl].next]; + fifo->runlist[runl].next = !fifo->runlist[runl].next; + + nvkm_kmap(mem); + list_for_each_entry(chan, &fifo->runlist[runl].chan, head) { + func->chan(chan, mem, nr++ * func->size); + } + + list_for_each_entry(cgrp, &fifo->runlist[runl].cgrp, head) { + func->cgrp(cgrp, mem, nr++ * func->size); + list_for_each_entry(chan, &cgrp->chan, head) { + func->chan(chan, mem, nr++ * func->size); + } + } + nvkm_done(mem); + + func->commit(fifo, runl, mem, nr); + mutex_unlock(&fifo->base.mutex); +} + +void +gk104_fifo_runlist_remove(struct gk104_fifo *fifo, struct gk104_fifo_chan *chan) +{ + struct nvkm_fifo_cgrp *cgrp = chan->cgrp; + mutex_lock(&fifo->base.mutex); + if (!list_empty(&chan->head)) { + list_del_init(&chan->head); + if (cgrp && !--cgrp->chan_nr) + list_del_init(&cgrp->head); + } + mutex_unlock(&fifo->base.mutex); +} + +void +gk104_fifo_runlist_insert(struct gk104_fifo *fifo, struct gk104_fifo_chan *chan) +{ + struct nvkm_fifo_cgrp *cgrp = chan->cgrp; + mutex_lock(&fifo->base.mutex); + if (cgrp) { + if (!cgrp->chan_nr++) + list_add_tail(&cgrp->head, &fifo->runlist[chan->runl].cgrp); + list_add_tail(&chan->head, &cgrp->chan); + } else { + list_add_tail(&chan->head, &fifo->runlist[chan->runl].chan); + } + mutex_unlock(&fifo->base.mutex); +} + +void +gk104_fifo_runlist_chan(struct gk104_fifo_chan *chan, + struct nvkm_memory *memory, u32 offset) +{ + nvkm_wo32(memory, offset + 0, chan->base.chid); + nvkm_wo32(memory, offset + 4, 0x00000000); +} + +const struct gk104_fifo_runlist_func +gk104_fifo_runlist = { + .size = 8, + .chan = gk104_fifo_runlist_chan, + .commit = gk104_fifo_runlist_commit, +}; + +void +gk104_fifo_pbdma_init(struct gk104_fifo *fifo) +{ + struct nvkm_device *device = fifo->base.engine.subdev.device; + nvkm_wr32(device, 0x000204, (1 << fifo->pbdma_nr) - 1); +} + +int +gk104_fifo_pbdma_nr(struct gk104_fifo *fifo) +{ + struct nvkm_device *device = fifo->base.engine.subdev.device; + /* Determine number of PBDMAs by checking valid enable bits. */ + nvkm_wr32(device, 0x000204, 0xffffffff); + return hweight32(nvkm_rd32(device, 0x000204)); +} + +const struct gk104_fifo_pbdma_func +gk104_fifo_pbdma = { + .nr = gk104_fifo_pbdma_nr, + .init = gk104_fifo_pbdma_init, +}; + +struct nvkm_engine * +gk104_fifo_id_engine(struct nvkm_fifo *base, int engi) +{ + if (engi == GK104_FIFO_ENGN_SW) + return nvkm_device_engine(base->engine.subdev.device, NVKM_ENGINE_SW, 0); + + return gk104_fifo(base)->engine[engi].engine; +} + +int +gk104_fifo_engine_id(struct nvkm_fifo *base, struct nvkm_engine *engine) +{ + struct gk104_fifo *fifo = gk104_fifo(base); + int engn; + + if (engine->subdev.type == NVKM_ENGINE_SW) + return GK104_FIFO_ENGN_SW; + + for (engn = 0; engn < fifo->engine_nr && engine; engn++) { + if (fifo->engine[engn].engine == engine) + return engn; + } + + WARN_ON(1); + return -1; +} + +static void +gk104_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_wr32(device, 0x00262c, runm); + nvkm_mask(device, 0x002630, runm, 0x00000000); +} + +static void gk104_fifo_recover_engn(struct gk104_fifo *fifo, int engn); + +static void +gk104_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 * +gk104_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 +gk104_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 = gk104_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. */ + gk104_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; + gk104_fifo_recover_engn(fifo, engn); + } +} + +static void +gk104_fifo_recover_engn(struct gk104_fifo *fifo, int engn) +{ + struct nvkm_engine *engine = fifo->engine[engn].engine; + 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; + int mmui = -1; + + assert_spin_locked(&fifo->base.lock); + if (fifo->recover.engm & engm) + return; + fifo->recover.engm |= engm; + + /* Block channel assignments from changing during recovery. */ + gk104_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. */ + gk104_fifo_recover_chan(&fifo->base, status.chan->id); + } + + /* Determine MMU fault ID for the engine, if we're not being + * called from the fault handler already. + */ + if (!status.faulted && engine) { + mmui = nvkm_top_fault_id(device, engine->subdev.type, engine->subdev.inst); + if (mmui < 0) { + const struct nvkm_enum *en = fifo->func->fault.engine; + for (; en && en->name; en++) { + if (en->data2 == engine->subdev.type && + en->inst == engine->subdev.inst) { + mmui = en->value; + break; + } + } + } + WARN_ON(mmui < 0); + } + + /* Trigger a MMU fault for the engine. + * + * No good idea why this is needed, but nvgpu does something similar, + * and it makes recovery from CTXSW_TIMEOUT a lot more reliable. + */ + if (mmui >= 0) { + nvkm_wr32(device, 0x002a30 + (engn * 0x04), 0x00000100 | mmui); + + /* Wait for fault to trigger. */ + nvkm_msec(device, 2000, + gk104_fifo_engine_status(fifo, engn, &status); + if (status.faulted) + break; + ); + + /* Release MMU fault trigger, and ACK the fault. */ + nvkm_wr32(device, 0x002a30 + (engn * 0x04), 0x00000000); + nvkm_wr32(device, 0x00259c, BIT(mmui)); + nvkm_wr32(device, 0x002100, 0x10000000); + } + + /* Schedule recovery. */ + nvkm_warn(subdev, "engine %d: scheduled for recovery\n", engn); + schedule_work(&fifo->recover.work); +} + +static void +gk104_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/"; + + 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) + gk104_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... + */ + if (engine) { + int engn = fifo->base.func->engine_id(&fifo->base, engine); + if (engn >= 0 && engn != GK104_FIFO_ENGN_SW) + gk104_fifo_recover_engn(fifo, engn); + } + + spin_unlock_irqrestore(&fifo->base.lock, flags); +} + +static const struct nvkm_enum +gk104_fifo_bind_reason[] = { + { 0x01, "BIND_NOT_UNBOUND" }, + { 0x02, "SNOOP_WITHOUT_BAR1" }, + { 0x03, "UNBIND_WHILE_RUNNING" }, + { 0x05, "INVALID_RUNLIST" }, + { 0x06, "INVALID_CTX_TGT" }, + { 0x0b, "UNBIND_WHILE_PARKED" }, + {} +}; + +void +gk104_fifo_intr_bind(struct gk104_fifo *fifo) +{ + struct nvkm_subdev *subdev = &fifo->base.engine.subdev; + struct nvkm_device *device = subdev->device; + u32 intr = nvkm_rd32(device, 0x00252c); + u32 code = intr & 0x000000ff; + const struct nvkm_enum *en = + nvkm_enum_find(gk104_fifo_bind_reason, code); + + nvkm_error(subdev, "BIND_ERROR %02x [%s]\n", code, en ? en->name : ""); +} + +static const struct nvkm_enum +gk104_fifo_sched_reason[] = { + { 0x0a, "CTXSW_TIMEOUT" }, + {} +}; + +static void +gk104_fifo_intr_sched_ctxsw(struct gk104_fifo *fifo) +{ + struct nvkm_device *device = fifo->base.engine.subdev.device; + unsigned long flags, engm = 0; + u32 engn; + + /* We need to ACK the SCHED_ERROR here, and prevent it reasserting, + * as MMU_FAULT cannot be triggered while it's pending. + */ + spin_lock_irqsave(&fifo->base.lock, flags); + nvkm_mask(device, 0x002140, 0x00000100, 0x00000000); + nvkm_wr32(device, 0x002100, 0x00000100); + + for (engn = 0; engn < fifo->engine_nr; engn++) { + struct gk104_fifo_engine_status status; + + gk104_fifo_engine_status(fifo, engn, &status); + if (!status.busy || !status.chsw) + continue; + + engm |= BIT(engn); + } + + for_each_set_bit(engn, &engm, fifo->engine_nr) + gk104_fifo_recover_engn(fifo, engn); + + nvkm_mask(device, 0x002140, 0x00000100, 0x00000100); + spin_unlock_irqrestore(&fifo->base.lock, flags); +} + +static void +gk104_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; + const struct nvkm_enum *en = + nvkm_enum_find(gk104_fifo_sched_reason, code); + + nvkm_error(subdev, "SCHED_ERROR %02x [%s]\n", code, en ? en->name : ""); + + switch (code) { + case 0x0a: + gk104_fifo_intr_sched_ctxsw(fifo); + break; + default: + break; + } +} + +void +gk104_fifo_intr_chsw(struct gk104_fifo *fifo) +{ + struct nvkm_subdev *subdev = &fifo->base.engine.subdev; + struct nvkm_device *device = subdev->device; + u32 stat = nvkm_rd32(device, 0x00256c); + nvkm_error(subdev, "CHSW_ERROR %08x\n", stat); + nvkm_wr32(device, 0x00256c, stat); +} + +void +gk104_fifo_intr_dropped_fault(struct gk104_fifo *fifo) +{ + struct nvkm_subdev *subdev = &fifo->base.engine.subdev; + struct nvkm_device *device = subdev->device; + u32 stat = nvkm_rd32(device, 0x00259c); + nvkm_error(subdev, "DROPPED_MMU_FAULT %08x\n", stat); +} + +static const struct nvkm_bitfield gk104_fifo_pbdma_intr_0[] = { + { 0x00000001, "MEMREQ" }, + { 0x00000002, "MEMACK_TIMEOUT" }, + { 0x00000004, "MEMACK_EXTRA" }, + { 0x00000008, "MEMDAT_TIMEOUT" }, + { 0x00000010, "MEMDAT_EXTRA" }, + { 0x00000020, "MEMFLUSH" }, + { 0x00000040, "MEMOP" }, + { 0x00000080, "LBCONNECT" }, + { 0x00000100, "LBREQ" }, + { 0x00000200, "LBACK_TIMEOUT" }, + { 0x00000400, "LBACK_EXTRA" }, + { 0x00000800, "LBDAT_TIMEOUT" }, + { 0x00001000, "LBDAT_EXTRA" }, + { 0x00002000, "GPFIFO" }, + { 0x00004000, "GPPTR" }, + { 0x00008000, "GPENTRY" }, + { 0x00010000, "GPCRC" }, + { 0x00020000, "PBPTR" }, + { 0x00040000, "PBENTRY" }, + { 0x00080000, "PBCRC" }, + { 0x00100000, "XBARCONNECT" }, + { 0x00200000, "METHOD" }, + { 0x00400000, "METHODCRC" }, + { 0x00800000, "DEVICE" }, + { 0x02000000, "SEMAPHORE" }, + { 0x04000000, "ACQUIRE" }, + { 0x08000000, "PRI" }, + { 0x20000000, "NO_CTXSW_SEG" }, + { 0x40000000, "PBSEG" }, + { 0x80000000, "SIGNATURE" }, + {} +}; + +void +gk104_fifo_intr_pbdma_0(struct gk104_fifo *fifo, int unit) +{ + struct nvkm_subdev *subdev = &fifo->base.engine.subdev; + struct nvkm_device *device = subdev->device; + u32 mask = nvkm_rd32(device, 0x04010c + (unit * 0x2000)); + u32 stat = nvkm_rd32(device, 0x040108 + (unit * 0x2000)) & mask; + u32 addr = nvkm_rd32(device, 0x0400c0 + (unit * 0x2000)); + u32 data = nvkm_rd32(device, 0x0400c4 + (unit * 0x2000)); + u32 chid = nvkm_rd32(device, 0x040120 + (unit * 0x2000)) & 0xfff; + u32 subc = (addr & 0x00070000) >> 16; + u32 mthd = (addr & 0x00003ffc); + u32 show = stat; + struct nvkm_fifo_chan *chan; + unsigned long flags; + char msg[128]; + + if (stat & 0x00800000) { + if (device->sw) { + if (nvkm_sw_mthd(device->sw, chid, subc, mthd, data)) + show &= ~0x00800000; + } + } + + nvkm_wr32(device, 0x0400c0 + (unit * 0x2000), 0x80600008); + + if (show) { + nvkm_snprintbf(msg, sizeof(msg), gk104_fifo_pbdma_intr_0, show); + chan = nvkm_fifo_chan_chid(&fifo->base, chid, &flags); + nvkm_error(subdev, "PBDMA%d: %08x [%s] ch %d [%010llx %s] " + "subc %d mthd %04x data %08x\n", + unit, show, msg, chid, chan ? chan->inst->addr : 0, + chan ? chan->object.client->name : "unknown", + subc, mthd, data); + nvkm_fifo_chan_put(&fifo->base, flags, &chan); + } + + nvkm_wr32(device, 0x040108 + (unit * 0x2000), stat); +} + +static const struct nvkm_bitfield gk104_fifo_pbdma_intr_1[] = { + { 0x00000001, "HCE_RE_ILLEGAL_OP" }, + { 0x00000002, "HCE_RE_ALIGNB" }, + { 0x00000004, "HCE_PRIV" }, + { 0x00000008, "HCE_ILLEGAL_MTHD" }, + { 0x00000010, "HCE_ILLEGAL_CLASS" }, + {} +}; + +void +gk104_fifo_intr_pbdma_1(struct gk104_fifo *fifo, int unit) +{ + struct nvkm_subdev *subdev = &fifo->base.engine.subdev; + struct nvkm_device *device = subdev->device; + u32 mask = nvkm_rd32(device, 0x04014c + (unit * 0x2000)); + u32 stat = nvkm_rd32(device, 0x040148 + (unit * 0x2000)) & mask; + u32 chid = nvkm_rd32(device, 0x040120 + (unit * 0x2000)) & 0xfff; + char msg[128]; + + if (stat) { + nvkm_snprintbf(msg, sizeof(msg), gk104_fifo_pbdma_intr_1, stat); + nvkm_error(subdev, "PBDMA%d: %08x [%s] ch %d %08x %08x\n", + unit, stat, msg, chid, + nvkm_rd32(device, 0x040150 + (unit * 0x2000)), + nvkm_rd32(device, 0x040154 + (unit * 0x2000))); + } + + nvkm_wr32(device, 0x040148 + (unit * 0x2000), stat); +} + +void +gk104_fifo_intr_runlist(struct gk104_fifo *fifo) +{ + struct nvkm_device *device = fifo->base.engine.subdev.device; + u32 mask = nvkm_rd32(device, 0x002a00); + while (mask) { + int runl = __ffs(mask); + wake_up(&fifo->runlist[runl].wait); + nvkm_wr32(device, 0x002a00, 1 << runl); + mask &= ~(1 << runl); + } +} + +void +gk104_fifo_intr_engine(struct gk104_fifo *fifo) +{ + nvkm_fifo_uevent(&fifo->base); +} + +static void +gk104_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 & 0x00000010) { + nvkm_error(subdev, "PIO_ERROR\n"); + nvkm_wr32(device, 0x002100, 0x00000010); + stat &= ~0x00000010; + } + + if (stat & 0x00000100) { + gk104_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 & 0x00800000) { + nvkm_error(subdev, "FB_FLUSH_TIMEOUT\n"); + nvkm_wr32(device, 0x002100, 0x00800000); + stat &= ~0x00800000; + } + + if (stat & 0x01000000) { + nvkm_error(subdev, "LB_ERROR\n"); + nvkm_wr32(device, 0x002100, 0x01000000); + stat &= ~0x01000000; + } + + if (stat & 0x08000000) { + gk104_fifo_intr_dropped_fault(fifo); + nvkm_wr32(device, 0x002100, 0x08000000); + stat &= ~0x08000000; + } + + if (stat & 0x10000000) { + u32 mask = nvkm_rd32(device, 0x00259c); + while (mask) { + u32 unit = __ffs(mask); + fifo->func->intr.fault(&fifo->base, unit); + nvkm_wr32(device, 0x00259c, (1 << unit)); + mask &= ~(1 << unit); + } + stat &= ~0x10000000; + } + + 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); + } +} + +void +gk104_fifo_fini(struct nvkm_fifo *base) +{ + struct gk104_fifo *fifo = gk104_fifo(base); + struct nvkm_device *device = fifo->base.engine.subdev.device; + flush_work(&fifo->recover.work); + /* allow mmu fault interrupts, even when we're not using fifo */ + nvkm_mask(device, 0x002140, 0x10000000, 0x10000000); +} + +int +gk104_fifo_info(struct nvkm_fifo *base, u64 mthd, u64 *data) +{ + struct gk104_fifo *fifo = gk104_fifo(base); + switch (mthd) { + case NV_DEVICE_HOST_RUNLISTS: + *data = (1ULL << fifo->runlist_nr) - 1; + return 0; + case NV_DEVICE_HOST_RUNLIST_ENGINES: { + if (*data < fifo->runlist_nr) { + unsigned long engm = fifo->runlist[*data].engm; + struct nvkm_engine *engine; + int engn; + *data = 0; + for_each_set_bit(engn, &engm, fifo->engine_nr) { + if ((engine = fifo->engine[engn].engine)) { +#define CASE(n) case NVKM_ENGINE_##n: *data |= NV_DEVICE_HOST_RUNLIST_ENGINES_##n; break + switch (engine->subdev.type) { + CASE(SW ); + CASE(GR ); + CASE(MPEG ); + CASE(ME ); + CASE(CIPHER); + CASE(BSP ); + CASE(VP ); + CASE(CE ); + CASE(SEC ); + CASE(MSVLD ); + CASE(MSPDEC); + CASE(MSPPP ); + CASE(MSENC ); + CASE(VIC ); + CASE(SEC2 ); + CASE(NVDEC ); + CASE(NVENC ); + default: + WARN_ON(1); + break; + } + } + } + return 0; + } + } + return -EINVAL; + default: + return -EINVAL; + } +} + +int +gk104_fifo_oneinit(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; + struct nvkm_vmm *bar = nvkm_bar_bar1_vmm(device); + struct nvkm_top_device *tdev; + int pbid, ret, i, j; + u32 *map; + + fifo->pbdma_nr = fifo->func->pbdma->nr(fifo); + nvkm_debug(subdev, "%d PBDMA(s)\n", fifo->pbdma_nr); + + /* Read PBDMA->runlist(s) mapping from HW. */ + if (!(map = kcalloc(fifo->pbdma_nr, sizeof(*map), GFP_KERNEL))) + return -ENOMEM; + + for (i = 0; i < fifo->pbdma_nr; i++) + map[i] = nvkm_rd32(device, 0x002390 + (i * 0x04)); + + /* Determine runlist configuration from topology device info. */ + list_for_each_entry(tdev, &device->top->device, head) { + const int engn = tdev->engine; + char _en[16], *en; + + if (engn < 0) + continue; + + /* Determine which PBDMA handles requests for this engine. */ + for (j = 0, pbid = -1; j < fifo->pbdma_nr; j++) { + if (map[j] & BIT(tdev->runlist)) { + pbid = j; + break; + } + } + + fifo->engine[engn].engine = nvkm_device_engine(device, tdev->type, tdev->inst); + if (!fifo->engine[engn].engine) { + snprintf(_en, sizeof(_en), "%s, %d", + nvkm_subdev_type[tdev->type], tdev->inst); + en = _en; + } else { + en = fifo->engine[engn].engine->subdev.name; + } + + nvkm_debug(subdev, "engine %2d: runlist %2d pbdma %2d (%s)\n", + tdev->engine, tdev->runlist, pbid, en); + + fifo->engine[engn].runl = tdev->runlist; + fifo->engine[engn].pbid = pbid; + fifo->engine_nr = max(fifo->engine_nr, engn + 1); + fifo->runlist[tdev->runlist].engm |= BIT(engn); + fifo->runlist[tdev->runlist].engm_sw |= BIT(engn); + if (tdev->type == NVKM_ENGINE_GR) + fifo->runlist[tdev->runlist].engm_sw |= BIT(GK104_FIFO_ENGN_SW); + fifo->runlist_nr = max(fifo->runlist_nr, tdev->runlist + 1); + } + + kfree(map); + + for (i = 0; i < fifo->runlist_nr; i++) { + for (j = 0; j < ARRAY_SIZE(fifo->runlist[i].mem); j++) { + ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, + fifo->base.nr * 2/* TSG+chan */ * + fifo->func->runlist->size, + 0x1000, false, + &fifo->runlist[i].mem[j]); + if (ret) + return ret; + } + + init_waitqueue_head(&fifo->runlist[i].wait); + INIT_LIST_HEAD(&fifo->runlist[i].cgrp); + INIT_LIST_HEAD(&fifo->runlist[i].chan); + } + + ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, + fifo->base.nr * 0x200, 0x1000, true, + &fifo->user.mem); + if (ret) + return ret; + + ret = nvkm_vmm_get(bar, 12, nvkm_memory_size(fifo->user.mem), + &fifo->user.bar); + if (ret) + return ret; + + return nvkm_memory_map(fifo->user.mem, 0, bar, fifo->user.bar, NULL, 0); +} + +void +gk104_fifo_init(struct nvkm_fifo *base) +{ + struct gk104_fifo *fifo = gk104_fifo(base); + struct nvkm_device *device = fifo->base.engine.subdev.device; + int i; + + /* Enable PBDMAs. */ + fifo->func->pbdma->init(fifo); + + /* PBDMA[n] */ + for (i = 0; i < fifo->pbdma_nr; i++) { + nvkm_mask(device, 0x04013c + (i * 0x2000), 0x10000100, 0x00000000); + nvkm_wr32(device, 0x040108 + (i * 0x2000), 0xffffffff); /* INTR */ + nvkm_wr32(device, 0x04010c + (i * 0x2000), 0xfffffeff); /* INTREN */ + } + + /* PBDMA[n].HCE */ + for (i = 0; i < fifo->pbdma_nr; i++) { + nvkm_wr32(device, 0x040148 + (i * 0x2000), 0xffffffff); /* INTR */ + nvkm_wr32(device, 0x04014c + (i * 0x2000), 0xffffffff); /* INTREN */ + } + + nvkm_wr32(device, 0x002254, 0x10000000 | fifo->user.bar->addr >> 12); + + if (fifo->func->pbdma->init_timeout) + fifo->func->pbdma->init_timeout(fifo); + + nvkm_wr32(device, 0x002100, 0xffffffff); + nvkm_wr32(device, 0x002140, 0x7fffffff); +} + +void * +gk104_fifo_dtor(struct nvkm_fifo *base) +{ + struct gk104_fifo *fifo = gk104_fifo(base); + struct nvkm_device *device = fifo->base.engine.subdev.device; + int i; + + nvkm_vmm_put(nvkm_bar_bar1_vmm(device), &fifo->user.bar); + nvkm_memory_unref(&fifo->user.mem); + + for (i = 0; i < fifo->runlist_nr; i++) { + nvkm_memory_unref(&fifo->runlist[i].mem[1]); + nvkm_memory_unref(&fifo->runlist[i].mem[0]); + } + + return fifo; +} + +static const struct nvkm_fifo_func +gk104_fifo_ = { + .dtor = gk104_fifo_dtor, + .oneinit = gk104_fifo_oneinit, + .info = gk104_fifo_info, + .init = gk104_fifo_init, + .fini = gk104_fifo_fini, + .intr = gk104_fifo_intr, + .fault = gk104_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 = gk104_fifo_recover_chan, + .class_get = gk104_fifo_class_get, + .class_new = gk104_fifo_class_new, +}; + +int +gk104_fifo_new_(const struct gk104_fifo_func *func, struct nvkm_device *device, + enum nvkm_subdev_type type, int inst, int nr, struct nvkm_fifo **pfifo) +{ + struct gk104_fifo *fifo; + + if (!(fifo = kzalloc(sizeof(*fifo), GFP_KERNEL))) + return -ENOMEM; + fifo->func = func; + INIT_WORK(&fifo->recover.work, gk104_fifo_recover_work); + *pfifo = &fifo->base; + + return nvkm_fifo_ctor(&gk104_fifo_, device, type, inst, nr, &fifo->base); +} + +const struct nvkm_enum +gk104_fifo_fault_access[] = { + { 0x0, "READ" }, + { 0x1, "WRITE" }, + {} +}; + +const struct nvkm_enum +gk104_fifo_fault_engine[] = { + { 0x00, "GR", NULL, NVKM_ENGINE_GR }, + { 0x01, "DISPLAY" }, + { 0x02, "CAPTURE" }, + { 0x03, "IFB", NULL, NVKM_ENGINE_IFB }, + { 0x04, "BAR1", NULL, NVKM_SUBDEV_BAR }, + { 0x05, "BAR2", NULL, NVKM_SUBDEV_INSTMEM }, + { 0x06, "SCHED" }, + { 0x07, "HOST0", NULL, NVKM_ENGINE_FIFO }, + { 0x08, "HOST1", NULL, NVKM_ENGINE_FIFO }, + { 0x09, "HOST2", NULL, NVKM_ENGINE_FIFO }, + { 0x0a, "HOST3", NULL, NVKM_ENGINE_FIFO }, + { 0x0b, "HOST4", NULL, NVKM_ENGINE_FIFO }, + { 0x0c, "HOST5", NULL, NVKM_ENGINE_FIFO }, + { 0x0d, "HOST6", NULL, NVKM_ENGINE_FIFO }, + { 0x0e, "HOST7", NULL, NVKM_ENGINE_FIFO }, + { 0x0f, "HOSTSR" }, + { 0x10, "MSVLD", NULL, NVKM_ENGINE_MSVLD }, + { 0x11, "MSPPP", NULL, NVKM_ENGINE_MSPPP }, + { 0x13, "PERF" }, + { 0x14, "MSPDEC", NULL, NVKM_ENGINE_MSPDEC }, + { 0x15, "CE0", NULL, NVKM_ENGINE_CE, 0 }, + { 0x16, "CE1", NULL, NVKM_ENGINE_CE, 1 }, + { 0x17, "PMU" }, + { 0x18, "PTP" }, + { 0x19, "MSENC", NULL, NVKM_ENGINE_MSENC }, + { 0x1b, "CE2", NULL, NVKM_ENGINE_CE, 2 }, + {} +}; + +const struct nvkm_enum +gk104_fifo_fault_reason[] = { + { 0x00, "PDE" }, + { 0x01, "PDE_SIZE" }, + { 0x02, "PTE" }, + { 0x03, "VA_LIMIT_VIOLATION" }, + { 0x04, "UNBOUND_INST_BLOCK" }, + { 0x05, "PRIV_VIOLATION" }, + { 0x06, "RO_VIOLATION" }, + { 0x07, "WO_VIOLATION" }, + { 0x08, "PITCH_MASK_VIOLATION" }, + { 0x09, "WORK_CREATION" }, + { 0x0a, "UNSUPPORTED_APERTURE" }, + { 0x0b, "COMPRESSION_FAILURE" }, + { 0x0c, "UNSUPPORTED_KIND" }, + { 0x0d, "REGION_VIOLATION" }, + { 0x0e, "BOTH_PTES_VALID" }, + { 0x0f, "INFO_TYPE_POISONED" }, + {} +}; + +const struct nvkm_enum +gk104_fifo_fault_hubclient[] = { + { 0x00, "VIP" }, + { 0x01, "CE0" }, + { 0x02, "CE1" }, + { 0x03, "DNISO" }, + { 0x04, "FE" }, + { 0x05, "FECS" }, + { 0x06, "HOST" }, + { 0x07, "HOST_CPU" }, + { 0x08, "HOST_CPU_NB" }, + { 0x09, "ISO" }, + { 0x0a, "MMU" }, + { 0x0b, "MSPDEC" }, + { 0x0c, "MSPPP" }, + { 0x0d, "MSVLD" }, + { 0x0e, "NISO" }, + { 0x0f, "P2P" }, + { 0x10, "PD" }, + { 0x11, "PERF" }, + { 0x12, "PMU" }, + { 0x13, "RASTERTWOD" }, + { 0x14, "SCC" }, + { 0x15, "SCC_NB" }, + { 0x16, "SEC" }, + { 0x17, "SSYNC" }, + { 0x18, "GR_CE" }, + { 0x19, "CE2" }, + { 0x1a, "XV" }, + { 0x1b, "MMU_NB" }, + { 0x1c, "MSENC" }, + { 0x1d, "DFALCON" }, + { 0x1e, "SKED" }, + { 0x1f, "AFALCON" }, + {} +}; + +const struct nvkm_enum +gk104_fifo_fault_gpcclient[] = { + { 0x00, "L1_0" }, { 0x01, "T1_0" }, { 0x02, "PE_0" }, + { 0x03, "L1_1" }, { 0x04, "T1_1" }, { 0x05, "PE_1" }, + { 0x06, "L1_2" }, { 0x07, "T1_2" }, { 0x08, "PE_2" }, + { 0x09, "L1_3" }, { 0x0a, "T1_3" }, { 0x0b, "PE_3" }, + { 0x0c, "RAST" }, + { 0x0d, "GCC" }, + { 0x0e, "GPCCS" }, + { 0x0f, "PROP_0" }, + { 0x10, "PROP_1" }, + { 0x11, "PROP_2" }, + { 0x12, "PROP_3" }, + { 0x13, "L1_4" }, { 0x14, "T1_4" }, { 0x15, "PE_4" }, + { 0x16, "L1_5" }, { 0x17, "T1_5" }, { 0x18, "PE_5" }, + { 0x19, "L1_6" }, { 0x1a, "T1_6" }, { 0x1b, "PE_6" }, + { 0x1c, "L1_7" }, { 0x1d, "T1_7" }, { 0x1e, "PE_7" }, + { 0x1f, "GPM" }, + { 0x20, "LTP_UTLB_0" }, + { 0x21, "LTP_UTLB_1" }, + { 0x22, "LTP_UTLB_2" }, + { 0x23, "LTP_UTLB_3" }, + { 0x24, "GPC_RGG_UTLB" }, + {} +}; + +static const struct gk104_fifo_func +gk104_fifo = { + .intr.fault = gf100_fifo_intr_fault, + .pbdma = &gk104_fifo_pbdma, + .fault.access = gk104_fifo_fault_access, + .fault.engine = gk104_fifo_fault_engine, + .fault.reason = gk104_fifo_fault_reason, + .fault.hubclient = gk104_fifo_fault_hubclient, + .fault.gpcclient = gk104_fifo_fault_gpcclient, + .runlist = &gk104_fifo_runlist, + .chan = {{0,0,KEPLER_CHANNEL_GPFIFO_A}, gk104_fifo_gpfifo_new }, +}; + +int +gk104_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_fifo **pfifo) +{ + return gk104_fifo_new_(&gk104_fifo, device, type, inst, 4096, pfifo); +} |