--- /dev/null
+/*
+ * 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 <core/client.h>
+#include <core/engctx.h>
+#include <core/enum.h>
+#include <core/handle.h>
+#include <subdev/bar.h>
+#include <subdev/fb.h>
+#include <subdev/mmu.h>
+#include <subdev/timer.h>
+
+#include <nvif/class.h>
+#include <nvif/unpack.h>
+
+#define _(a,b) { (a), ((1ULL << (a)) | (b)) }
+static const struct {
+ u64 subdev;
+ u64 mask;
+} fifo_engine[] = {
+ _(NVDEV_ENGINE_GR , (1ULL << NVDEV_ENGINE_SW) |
+ (1ULL << NVDEV_ENGINE_CE2)),
+ _(NVDEV_ENGINE_MSPDEC , 0),
+ _(NVDEV_ENGINE_MSPPP , 0),
+ _(NVDEV_ENGINE_MSVLD , 0),
+ _(NVDEV_ENGINE_CE0 , 0),
+ _(NVDEV_ENGINE_CE1 , 0),
+ _(NVDEV_ENGINE_MSENC , 0),
+};
+#undef _
+#define FIFO_ENGINE_NR ARRAY_SIZE(fifo_engine)
+
+struct gk104_fifo_engn {
+ struct nvkm_gpuobj *runlist[2];
+ int cur_runlist;
+ wait_queue_head_t wait;
+};
+
+struct gk104_fifo_priv {
+ struct nvkm_fifo base;
+
+ struct work_struct fault;
+ u64 mask;
+
+ struct gk104_fifo_engn engine[FIFO_ENGINE_NR];
+ struct {
+ struct nvkm_gpuobj *mem;
+ struct nvkm_vma bar;
+ } user;
+ int spoon_nr;
+};
+
+struct gk104_fifo_base {
+ struct nvkm_fifo_base base;
+ struct nvkm_gpuobj *pgd;
+ struct nvkm_vm *vm;
+};
+
+struct gk104_fifo_chan {
+ struct nvkm_fifo_chan base;
+ u32 engine;
+ enum {
+ STOPPED,
+ RUNNING,
+ KILLED
+ } state;
+};
+
+/*******************************************************************************
+ * FIFO channel objects
+ ******************************************************************************/
+
+static void
+gk104_fifo_runlist_update(struct gk104_fifo_priv *priv, u32 engine)
+{
+ struct nvkm_bar *bar = nvkm_bar(priv);
+ struct gk104_fifo_engn *engn = &priv->engine[engine];
+ struct nvkm_gpuobj *cur;
+ int i, p;
+
+ mutex_lock(&nv_subdev(priv)->mutex);
+ cur = engn->runlist[engn->cur_runlist];
+ engn->cur_runlist = !engn->cur_runlist;
+
+ for (i = 0, p = 0; i < priv->base.max; i++) {
+ struct gk104_fifo_chan *chan = (void *)priv->base.channel[i];
+ if (chan && chan->state == RUNNING && chan->engine == engine) {
+ nv_wo32(cur, p + 0, i);
+ nv_wo32(cur, p + 4, 0x00000000);
+ p += 8;
+ }
+ }
+ bar->flush(bar);
+
+ nv_wr32(priv, 0x002270, cur->addr >> 12);
+ nv_wr32(priv, 0x002274, (engine << 20) | (p >> 3));
+
+ if (wait_event_timeout(engn->wait, !(nv_rd32(priv, 0x002284 +
+ (engine * 0x08)) & 0x00100000),
+ msecs_to_jiffies(2000)) == 0)
+ nv_error(priv, "runlist %d update timeout\n", engine);
+ mutex_unlock(&nv_subdev(priv)->mutex);
+}
+
+static int
+gk104_fifo_context_attach(struct nvkm_object *parent,
+ struct nvkm_object *object)
+{
+ struct nvkm_bar *bar = nvkm_bar(parent);
+ struct gk104_fifo_base *base = (void *)parent->parent;
+ struct nvkm_engctx *ectx = (void *)object;
+ u32 addr;
+ int ret;
+
+ switch (nv_engidx(object->engine)) {
+ case NVDEV_ENGINE_SW :
+ return 0;
+ case NVDEV_ENGINE_CE0:
+ case NVDEV_ENGINE_CE1:
+ case NVDEV_ENGINE_CE2:
+ nv_engctx(ectx)->addr = nv_gpuobj(base)->addr >> 12;
+ return 0;
+ case NVDEV_ENGINE_GR : addr = 0x0210; break;
+ case NVDEV_ENGINE_MSVLD : addr = 0x0270; break;
+ case NVDEV_ENGINE_MSPDEC: addr = 0x0250; break;
+ case NVDEV_ENGINE_MSPPP : addr = 0x0260; break;
+ default:
+ return -EINVAL;
+ }
+
+ if (!ectx->vma.node) {
+ ret = nvkm_gpuobj_map_vm(nv_gpuobj(ectx), base->vm,
+ NV_MEM_ACCESS_RW, &ectx->vma);
+ if (ret)
+ return ret;
+
+ nv_engctx(ectx)->addr = nv_gpuobj(base)->addr >> 12;
+ }
+
+ nv_wo32(base, addr + 0x00, lower_32_bits(ectx->vma.offset) | 4);
+ nv_wo32(base, addr + 0x04, upper_32_bits(ectx->vma.offset));
+ bar->flush(bar);
+ return 0;
+}
+
+static int
+gk104_fifo_context_detach(struct nvkm_object *parent, bool suspend,
+ struct nvkm_object *object)
+{
+ struct nvkm_bar *bar = nvkm_bar(parent);
+ struct gk104_fifo_priv *priv = (void *)parent->engine;
+ struct gk104_fifo_base *base = (void *)parent->parent;
+ struct gk104_fifo_chan *chan = (void *)parent;
+ u32 addr;
+
+ switch (nv_engidx(object->engine)) {
+ case NVDEV_ENGINE_SW : return 0;
+ case NVDEV_ENGINE_CE0 :
+ case NVDEV_ENGINE_CE1 :
+ case NVDEV_ENGINE_CE2 : addr = 0x0000; break;
+ case NVDEV_ENGINE_GR : addr = 0x0210; break;
+ case NVDEV_ENGINE_MSVLD : addr = 0x0270; break;
+ case NVDEV_ENGINE_MSPDEC: addr = 0x0250; break;
+ case NVDEV_ENGINE_MSPPP : addr = 0x0260; break;
+ default:
+ return -EINVAL;
+ }
+
+ nv_wr32(priv, 0x002634, chan->base.chid);
+ if (!nv_wait(priv, 0x002634, 0xffffffff, chan->base.chid)) {
+ nv_error(priv, "channel %d [%s] kick timeout\n",
+ chan->base.chid, nvkm_client_name(chan));
+ if (suspend)
+ return -EBUSY;
+ }
+
+ if (addr) {
+ nv_wo32(base, addr + 0x00, 0x00000000);
+ nv_wo32(base, addr + 0x04, 0x00000000);
+ bar->flush(bar);
+ }
+
+ return 0;
+}
+
+static int
+gk104_fifo_chan_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
+ struct nvkm_oclass *oclass, void *data, u32 size,
+ struct nvkm_object **pobject)
+{
+ union {
+ struct kepler_channel_gpfifo_a_v0 v0;
+ } *args = data;
+ struct nvkm_bar *bar = nvkm_bar(parent);
+ struct gk104_fifo_priv *priv = (void *)engine;
+ struct gk104_fifo_base *base = (void *)parent;
+ struct gk104_fifo_chan *chan;
+ u64 usermem, ioffset, ilength;
+ int ret, i;
+
+ nv_ioctl(parent, "create channel gpfifo size %d\n", size);
+ if (nvif_unpack(args->v0, 0, 0, false)) {
+ nv_ioctl(parent, "create channel gpfifo vers %d pushbuf %08x "
+ "ioffset %016llx ilength %08x engine %08x\n",
+ args->v0.version, args->v0.pushbuf, args->v0.ioffset,
+ args->v0.ilength, args->v0.engine);
+ } else
+ return ret;
+
+ for (i = 0; i < FIFO_ENGINE_NR; i++) {
+ if (args->v0.engine & (1 << i)) {
+ if (nvkm_engine(parent, fifo_engine[i].subdev)) {
+ args->v0.engine = (1 << i);
+ break;
+ }
+ }
+ }
+
+ if (i == FIFO_ENGINE_NR) {
+ nv_error(priv, "unsupported engines 0x%08x\n", args->v0.engine);
+ return -ENODEV;
+ }
+
+ ret = nvkm_fifo_channel_create(parent, engine, oclass, 1,
+ priv->user.bar.offset, 0x200,
+ args->v0.pushbuf,
+ fifo_engine[i].mask, &chan);
+ *pobject = nv_object(chan);
+ if (ret)
+ return ret;
+
+ args->v0.chid = chan->base.chid;
+
+ nv_parent(chan)->context_attach = gk104_fifo_context_attach;
+ nv_parent(chan)->context_detach = gk104_fifo_context_detach;
+ chan->engine = i;
+
+ usermem = chan->base.chid * 0x200;
+ ioffset = args->v0.ioffset;
+ ilength = order_base_2(args->v0.ilength / 8);
+
+ for (i = 0; i < 0x200; i += 4)
+ nv_wo32(priv->user.mem, usermem + i, 0x00000000);
+
+ nv_wo32(base, 0x08, lower_32_bits(priv->user.mem->addr + usermem));
+ nv_wo32(base, 0x0c, upper_32_bits(priv->user.mem->addr + usermem));
+ nv_wo32(base, 0x10, 0x0000face);
+ nv_wo32(base, 0x30, 0xfffff902);
+ nv_wo32(base, 0x48, lower_32_bits(ioffset));
+ nv_wo32(base, 0x4c, upper_32_bits(ioffset) | (ilength << 16));
+ nv_wo32(base, 0x84, 0x20400000);
+ nv_wo32(base, 0x94, 0x30000001);
+ nv_wo32(base, 0x9c, 0x00000100);
+ nv_wo32(base, 0xac, 0x0000001f);
+ nv_wo32(base, 0xe8, chan->base.chid);
+ nv_wo32(base, 0xb8, 0xf8000000);
+ nv_wo32(base, 0xf8, 0x10003080); /* 0x002310 */
+ nv_wo32(base, 0xfc, 0x10000010); /* 0x002350 */
+ bar->flush(bar);
+ return 0;
+}
+
+static int
+gk104_fifo_chan_init(struct nvkm_object *object)
+{
+ struct nvkm_gpuobj *base = nv_gpuobj(object->parent);
+ struct gk104_fifo_priv *priv = (void *)object->engine;
+ struct gk104_fifo_chan *chan = (void *)object;
+ u32 chid = chan->base.chid;
+ int ret;
+
+ ret = nvkm_fifo_channel_init(&chan->base);
+ if (ret)
+ return ret;
+
+ nv_mask(priv, 0x800004 + (chid * 8), 0x000f0000, chan->engine << 16);
+ nv_wr32(priv, 0x800000 + (chid * 8), 0x80000000 | base->addr >> 12);
+
+ if (chan->state == STOPPED && (chan->state = RUNNING) == RUNNING) {
+ nv_mask(priv, 0x800004 + (chid * 8), 0x00000400, 0x00000400);
+ gk104_fifo_runlist_update(priv, chan->engine);
+ nv_mask(priv, 0x800004 + (chid * 8), 0x00000400, 0x00000400);
+ }
+
+ return 0;
+}
+
+static int
+gk104_fifo_chan_fini(struct nvkm_object *object, bool suspend)
+{
+ struct gk104_fifo_priv *priv = (void *)object->engine;
+ struct gk104_fifo_chan *chan = (void *)object;
+ u32 chid = chan->base.chid;
+
+ if (chan->state == RUNNING && (chan->state = STOPPED) == STOPPED) {
+ nv_mask(priv, 0x800004 + (chid * 8), 0x00000800, 0x00000800);
+ gk104_fifo_runlist_update(priv, chan->engine);
+ }
+
+ nv_wr32(priv, 0x800000 + (chid * 8), 0x00000000);
+ return nvkm_fifo_channel_fini(&chan->base, suspend);
+}
+
+struct nvkm_ofuncs
+gk104_fifo_chan_ofuncs = {
+ .ctor = gk104_fifo_chan_ctor,
+ .dtor = _nvkm_fifo_channel_dtor,
+ .init = gk104_fifo_chan_init,
+ .fini = gk104_fifo_chan_fini,
+ .map = _nvkm_fifo_channel_map,
+ .rd32 = _nvkm_fifo_channel_rd32,
+ .wr32 = _nvkm_fifo_channel_wr32,
+ .ntfy = _nvkm_fifo_channel_ntfy
+};
+
+static struct nvkm_oclass
+gk104_fifo_sclass[] = {
+ { KEPLER_CHANNEL_GPFIFO_A, &gk104_fifo_chan_ofuncs },
+ {}
+};
+
+/*******************************************************************************
+ * FIFO context - instmem heap and vm setup
+ ******************************************************************************/
+
+static int
+gk104_fifo_context_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
+ struct nvkm_oclass *oclass, void *data, u32 size,
+ struct nvkm_object **pobject)
+{
+ struct gk104_fifo_base *base;
+ int ret;
+
+ ret = nvkm_fifo_context_create(parent, engine, oclass, NULL, 0x1000,
+ 0x1000, NVOBJ_FLAG_ZERO_ALLOC, &base);
+ *pobject = nv_object(base);
+ if (ret)
+ return ret;
+
+ ret = nvkm_gpuobj_new(nv_object(base), NULL, 0x10000, 0x1000, 0,
+ &base->pgd);
+ if (ret)
+ return ret;
+
+ nv_wo32(base, 0x0200, lower_32_bits(base->pgd->addr));
+ nv_wo32(base, 0x0204, upper_32_bits(base->pgd->addr));
+ nv_wo32(base, 0x0208, 0xffffffff);
+ nv_wo32(base, 0x020c, 0x000000ff);
+
+ ret = nvkm_vm_ref(nvkm_client(parent)->vm, &base->vm, base->pgd);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static void
+gk104_fifo_context_dtor(struct nvkm_object *object)
+{
+ struct gk104_fifo_base *base = (void *)object;
+ nvkm_vm_ref(NULL, &base->vm, base->pgd);
+ nvkm_gpuobj_ref(NULL, &base->pgd);
+ nvkm_fifo_context_destroy(&base->base);
+}
+
+static struct nvkm_oclass
+gk104_fifo_cclass = {
+ .handle = NV_ENGCTX(FIFO, 0xe0),
+ .ofuncs = &(struct nvkm_ofuncs) {
+ .ctor = gk104_fifo_context_ctor,
+ .dtor = gk104_fifo_context_dtor,
+ .init = _nvkm_fifo_context_init,
+ .fini = _nvkm_fifo_context_fini,
+ .rd32 = _nvkm_fifo_context_rd32,
+ .wr32 = _nvkm_fifo_context_wr32,
+ },
+};
+
+/*******************************************************************************
+ * PFIFO engine
+ ******************************************************************************/
+
+static inline int
+gk104_fifo_engidx(struct gk104_fifo_priv *priv, u32 engn)
+{
+ switch (engn) {
+ case NVDEV_ENGINE_GR :
+ case NVDEV_ENGINE_CE2 : engn = 0; break;
+ case NVDEV_ENGINE_MSVLD : engn = 1; break;
+ case NVDEV_ENGINE_MSPPP : engn = 2; break;
+ case NVDEV_ENGINE_MSPDEC: engn = 3; break;
+ case NVDEV_ENGINE_CE0 : engn = 4; break;
+ case NVDEV_ENGINE_CE1 : engn = 5; break;
+ case NVDEV_ENGINE_MSENC : engn = 6; break;
+ default:
+ return -1;
+ }
+
+ return engn;
+}
+
+static inline struct nvkm_engine *
+gk104_fifo_engine(struct gk104_fifo_priv *priv, u32 engn)
+{
+ if (engn >= ARRAY_SIZE(fifo_engine))
+ return NULL;
+ return nvkm_engine(priv, fifo_engine[engn].subdev);
+}
+
+static void
+gk104_fifo_recover_work(struct work_struct *work)
+{
+ struct gk104_fifo_priv *priv = container_of(work, typeof(*priv), fault);
+ struct nvkm_object *engine;
+ unsigned long flags;
+ u32 engn, engm = 0;
+ u64 mask, todo;
+
+ spin_lock_irqsave(&priv->base.lock, flags);
+ mask = priv->mask;
+ priv->mask = 0ULL;
+ spin_unlock_irqrestore(&priv->base.lock, flags);
+
+ for (todo = mask; engn = __ffs64(todo), todo; todo &= ~(1 << engn))
+ engm |= 1 << gk104_fifo_engidx(priv, engn);
+ nv_mask(priv, 0x002630, engm, engm);
+
+ for (todo = mask; engn = __ffs64(todo), todo; todo &= ~(1 << engn)) {
+ if ((engine = (void *)nvkm_engine(priv, engn))) {
+ nv_ofuncs(engine)->fini(engine, false);
+ WARN_ON(nv_ofuncs(engine)->init(engine));
+ }
+ gk104_fifo_runlist_update(priv, gk104_fifo_engidx(priv, engn));
+ }
+
+ nv_wr32(priv, 0x00262c, engm);
+ nv_mask(priv, 0x002630, engm, 0x00000000);
+}
+
+static void
+gk104_fifo_recover(struct gk104_fifo_priv *priv, struct nvkm_engine *engine,
+ struct gk104_fifo_chan *chan)
+{
+ u32 chid = chan->base.chid;
+ unsigned long flags;
+
+ nv_error(priv, "%s engine fault on channel %d, recovering...\n",
+ nv_subdev(engine)->name, chid);
+
+ nv_mask(priv, 0x800004 + (chid * 0x08), 0x00000800, 0x00000800);
+ chan->state = KILLED;
+
+ spin_lock_irqsave(&priv->base.lock, flags);
+ priv->mask |= 1ULL << nv_engidx(engine);
+ spin_unlock_irqrestore(&priv->base.lock, flags);
+ schedule_work(&priv->fault);
+}
+
+static int
+gk104_fifo_swmthd(struct gk104_fifo_priv *priv, u32 chid, u32 mthd, u32 data)
+{
+ struct gk104_fifo_chan *chan = NULL;
+ struct nvkm_handle *bind;
+ unsigned long flags;
+ int ret = -EINVAL;
+
+ spin_lock_irqsave(&priv->base.lock, flags);
+ if (likely(chid >= priv->base.min && chid <= priv->base.max))
+ chan = (void *)priv->base.channel[chid];
+ if (unlikely(!chan))
+ goto out;
+
+ bind = nvkm_namedb_get_class(nv_namedb(chan), 0x906e);
+ if (likely(bind)) {
+ if (!mthd || !nv_call(bind->object, mthd, data))
+ ret = 0;
+ nvkm_namedb_put(bind);
+ }
+
+out:
+ spin_unlock_irqrestore(&priv->base.lock, flags);
+ return ret;
+}
+
+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" },
+ {}
+};
+
+static void
+gk104_fifo_intr_bind(struct gk104_fifo_priv *priv)
+{
+ u32 intr = nv_rd32(priv, 0x00252c);
+ u32 code = intr & 0x000000ff;
+ const struct nvkm_enum *en;
+ char enunk[6] = "";
+
+ en = nvkm_enum_find(gk104_fifo_bind_reason, code);
+ if (!en)
+ snprintf(enunk, sizeof(enunk), "UNK%02x", code);
+
+ nv_error(priv, "BIND_ERROR [ %s ]\n", en ? en->name : enunk);
+}
+
+static const struct nvkm_enum
+gk104_fifo_sched_reason[] = {
+ { 0x0a, "CTXSW_TIMEOUT" },
+ {}
+};
+
+static void
+gk104_fifo_intr_sched_ctxsw(struct gk104_fifo_priv *priv)
+{
+ struct nvkm_engine *engine;
+ struct gk104_fifo_chan *chan;
+ u32 engn;
+
+ for (engn = 0; engn < ARRAY_SIZE(fifo_engine); engn++) {
+ u32 stat = nv_rd32(priv, 0x002640 + (engn * 0x04));
+ u32 busy = (stat & 0x80000000);
+ u32 next = (stat & 0x07ff0000) >> 16;
+ u32 chsw = (stat & 0x00008000);
+ u32 save = (stat & 0x00004000);
+ u32 load = (stat & 0x00002000);
+ u32 prev = (stat & 0x000007ff);
+ u32 chid = load ? next : prev;
+ (void)save;
+
+ if (busy && chsw) {
+ if (!(chan = (void *)priv->base.channel[chid]))
+ continue;
+ if (!(engine = gk104_fifo_engine(priv, engn)))
+ continue;
+ gk104_fifo_recover(priv, engine, chan);
+ }
+ }
+}
+
+static void
+gk104_fifo_intr_sched(struct gk104_fifo_priv *priv)
+{
+ u32 intr = nv_rd32(priv, 0x00254c);
+ u32 code = intr & 0x000000ff;
+ const struct nvkm_enum *en;
+ char enunk[6] = "";
+
+ en = nvkm_enum_find(gk104_fifo_sched_reason, code);
+ if (!en)
+ snprintf(enunk, sizeof(enunk), "UNK%02x", code);
+
+ nv_error(priv, "SCHED_ERROR [ %s ]\n", en ? en->name : enunk);
+
+ switch (code) {
+ case 0x0a:
+ gk104_fifo_intr_sched_ctxsw(priv);
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+gk104_fifo_intr_chsw(struct gk104_fifo_priv *priv)
+{
+ u32 stat = nv_rd32(priv, 0x00256c);
+ nv_error(priv, "CHSW_ERROR 0x%08x\n", stat);
+ nv_wr32(priv, 0x00256c, stat);
+}
+
+static void
+gk104_fifo_intr_dropped_fault(struct gk104_fifo_priv *priv)
+{
+ u32 stat = nv_rd32(priv, 0x00259c);
+ nv_error(priv, "DROPPED_MMU_FAULT 0x%08x\n", stat);
+}
+
+static const struct nvkm_enum
+gk104_fifo_fault_engine[] = {
+ { 0x00, "GR", NULL, NVDEV_ENGINE_GR },
+ { 0x03, "IFB", NULL, NVDEV_ENGINE_IFB },
+ { 0x04, "BAR1", NULL, NVDEV_SUBDEV_BAR },
+ { 0x05, "BAR3", NULL, NVDEV_SUBDEV_INSTMEM },
+ { 0x07, "PBDMA0", NULL, NVDEV_ENGINE_FIFO },
+ { 0x08, "PBDMA1", NULL, NVDEV_ENGINE_FIFO },
+ { 0x09, "PBDMA2", NULL, NVDEV_ENGINE_FIFO },
+ { 0x10, "MSVLD", NULL, NVDEV_ENGINE_MSVLD },
+ { 0x11, "MSPPP", NULL, NVDEV_ENGINE_MSPPP },
+ { 0x13, "PERF" },
+ { 0x14, "MSPDEC", NULL, NVDEV_ENGINE_MSPDEC },
+ { 0x15, "CE0", NULL, NVDEV_ENGINE_CE0 },
+ { 0x16, "CE1", NULL, NVDEV_ENGINE_CE1 },
+ { 0x17, "PMU" },
+ { 0x19, "MSENC", NULL, NVDEV_ENGINE_MSENC },
+ { 0x1b, "CE2", NULL, NVDEV_ENGINE_CE2 },
+ {}
+};
+
+static 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" },
+ {}
+};
+
+static 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" },
+ {}
+};
+
+static 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 void
+gk104_fifo_intr_fault(struct gk104_fifo_priv *priv, int unit)
+{
+ u32 inst = nv_rd32(priv, 0x002800 + (unit * 0x10));
+ u32 valo = nv_rd32(priv, 0x002804 + (unit * 0x10));
+ u32 vahi = nv_rd32(priv, 0x002808 + (unit * 0x10));
+ u32 stat = nv_rd32(priv, 0x00280c + (unit * 0x10));
+ u32 gpc = (stat & 0x1f000000) >> 24;
+ u32 client = (stat & 0x00001f00) >> 8;
+ u32 write = (stat & 0x00000080);
+ u32 hub = (stat & 0x00000040);
+ u32 reason = (stat & 0x0000000f);
+ struct nvkm_object *engctx = NULL, *object;
+ struct nvkm_engine *engine = NULL;
+ const struct nvkm_enum *er, *eu, *ec;
+ char erunk[6] = "";
+ char euunk[6] = "";
+ char ecunk[6] = "";
+ char gpcid[3] = "";
+
+ er = nvkm_enum_find(gk104_fifo_fault_reason, reason);
+ if (!er)
+ snprintf(erunk, sizeof(erunk), "UNK%02X", reason);
+
+ eu = nvkm_enum_find(gk104_fifo_fault_engine, unit);
+ if (eu) {
+ switch (eu->data2) {
+ case NVDEV_SUBDEV_BAR:
+ nv_mask(priv, 0x001704, 0x00000000, 0x00000000);
+ break;
+ case NVDEV_SUBDEV_INSTMEM:
+ nv_mask(priv, 0x001714, 0x00000000, 0x00000000);
+ break;
+ case NVDEV_ENGINE_IFB:
+ nv_mask(priv, 0x001718, 0x00000000, 0x00000000);
+ break;
+ default:
+ engine = nvkm_engine(priv, eu->data2);
+ if (engine)
+ engctx = nvkm_engctx_get(engine, inst);
+ break;
+ }
+ } else {
+ snprintf(euunk, sizeof(euunk), "UNK%02x", unit);
+ }
+
+ if (hub) {
+ ec = nvkm_enum_find(gk104_fifo_fault_hubclient, client);
+ } else {
+ ec = nvkm_enum_find(gk104_fifo_fault_gpcclient, client);
+ snprintf(gpcid, sizeof(gpcid), "%d", gpc);
+ }
+
+ if (!ec)
+ snprintf(ecunk, sizeof(ecunk), "UNK%02x", client);
+
+ nv_error(priv, "%s fault at 0x%010llx [%s] from %s/%s%s%s%s on "
+ "channel 0x%010llx [%s]\n", write ? "write" : "read",
+ (u64)vahi << 32 | valo, er ? er->name : erunk,
+ eu ? eu->name : euunk, hub ? "" : "GPC", gpcid, hub ? "" : "/",
+ ec ? ec->name : ecunk, (u64)inst << 12,
+ nvkm_client_name(engctx));
+
+ object = engctx;
+ while (object) {
+ switch (nv_mclass(object)) {
+ case KEPLER_CHANNEL_GPFIFO_A:
+ case MAXWELL_CHANNEL_GPFIFO_A:
+ gk104_fifo_recover(priv, engine, (void *)object);
+ break;
+ }
+ object = object->parent;
+ }
+
+ nvkm_engctx_put(engctx);
+}
+
+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" },
+ {}
+};
+
+static void
+gk104_fifo_intr_pbdma_0(struct gk104_fifo_priv *priv, int unit)
+{
+ u32 mask = nv_rd32(priv, 0x04010c + (unit * 0x2000));
+ u32 stat = nv_rd32(priv, 0x040108 + (unit * 0x2000)) & mask;
+ u32 addr = nv_rd32(priv, 0x0400c0 + (unit * 0x2000));
+ u32 data = nv_rd32(priv, 0x0400c4 + (unit * 0x2000));
+ u32 chid = nv_rd32(priv, 0x040120 + (unit * 0x2000)) & 0xfff;
+ u32 subc = (addr & 0x00070000) >> 16;
+ u32 mthd = (addr & 0x00003ffc);
+ u32 show = stat;
+
+ if (stat & 0x00800000) {
+ if (!gk104_fifo_swmthd(priv, chid, mthd, data))
+ show &= ~0x00800000;
+ nv_wr32(priv, 0x0400c0 + (unit * 0x2000), 0x80600008);
+ }
+
+ if (show) {
+ nv_error(priv, "PBDMA%d:", unit);
+ nvkm_bitfield_print(gk104_fifo_pbdma_intr_0, show);
+ pr_cont("\n");
+ nv_error(priv,
+ "PBDMA%d: ch %d [%s] subc %d mthd 0x%04x data 0x%08x\n",
+ unit, chid,
+ nvkm_client_name_for_fifo_chid(&priv->base, chid),
+ subc, mthd, data);
+ }
+
+ nv_wr32(priv, 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" },
+ {}
+};
+
+static void
+gk104_fifo_intr_pbdma_1(struct gk104_fifo_priv *priv, int unit)
+{
+ u32 mask = nv_rd32(priv, 0x04014c + (unit * 0x2000));
+ u32 stat = nv_rd32(priv, 0x040148 + (unit * 0x2000)) & mask;
+ u32 chid = nv_rd32(priv, 0x040120 + (unit * 0x2000)) & 0xfff;
+
+ if (stat) {
+ nv_error(priv, "PBDMA%d:", unit);
+ nvkm_bitfield_print(gk104_fifo_pbdma_intr_1, stat);
+ pr_cont("\n");
+ nv_error(priv, "PBDMA%d: ch %d %08x %08x\n", unit, chid,
+ nv_rd32(priv, 0x040150 + (unit * 0x2000)),
+ nv_rd32(priv, 0x040154 + (unit * 0x2000)));
+ }
+
+ nv_wr32(priv, 0x040148 + (unit * 0x2000), stat);
+}
+
+static void
+gk104_fifo_intr_runlist(struct gk104_fifo_priv *priv)
+{
+ u32 mask = nv_rd32(priv, 0x002a00);
+ while (mask) {
+ u32 engn = __ffs(mask);
+ wake_up(&priv->engine[engn].wait);
+ nv_wr32(priv, 0x002a00, 1 << engn);
+ mask &= ~(1 << engn);
+ }
+}
+
+static void
+gk104_fifo_intr_engine(struct gk104_fifo_priv *priv)
+{
+ nvkm_fifo_uevent(&priv->base);
+}
+
+static void
+gk104_fifo_intr(struct nvkm_subdev *subdev)
+{
+ struct gk104_fifo_priv *priv = (void *)subdev;
+ u32 mask = nv_rd32(priv, 0x002140);
+ u32 stat = nv_rd32(priv, 0x002100) & mask;
+
+ if (stat & 0x00000001) {
+ gk104_fifo_intr_bind(priv);
+ nv_wr32(priv, 0x002100, 0x00000001);
+ stat &= ~0x00000001;
+ }
+
+ if (stat & 0x00000010) {
+ nv_error(priv, "PIO_ERROR\n");
+ nv_wr32(priv, 0x002100, 0x00000010);
+ stat &= ~0x00000010;
+ }
+
+ if (stat & 0x00000100) {
+ gk104_fifo_intr_sched(priv);
+ nv_wr32(priv, 0x002100, 0x00000100);
+ stat &= ~0x00000100;
+ }
+
+ if (stat & 0x00010000) {
+ gk104_fifo_intr_chsw(priv);
+ nv_wr32(priv, 0x002100, 0x00010000);
+ stat &= ~0x00010000;
+ }
+
+ if (stat & 0x00800000) {
+ nv_error(priv, "FB_FLUSH_TIMEOUT\n");
+ nv_wr32(priv, 0x002100, 0x00800000);
+ stat &= ~0x00800000;
+ }
+
+ if (stat & 0x01000000) {
+ nv_error(priv, "LB_ERROR\n");
+ nv_wr32(priv, 0x002100, 0x01000000);
+ stat &= ~0x01000000;
+ }
+
+ if (stat & 0x08000000) {
+ gk104_fifo_intr_dropped_fault(priv);
+ nv_wr32(priv, 0x002100, 0x08000000);
+ stat &= ~0x08000000;
+ }
+
+ if (stat & 0x10000000) {
+ u32 mask = nv_rd32(priv, 0x00259c);
+ while (mask) {
+ u32 unit = __ffs(mask);
+ gk104_fifo_intr_fault(priv, unit);
+ nv_wr32(priv, 0x00259c, (1 << unit));
+ mask &= ~(1 << unit);
+ }
+ stat &= ~0x10000000;
+ }
+
+ if (stat & 0x20000000) {
+ u32 mask = nv_rd32(priv, 0x0025a0);
+ while (mask) {
+ u32 unit = __ffs(mask);
+ gk104_fifo_intr_pbdma_0(priv, unit);
+ gk104_fifo_intr_pbdma_1(priv, unit);
+ nv_wr32(priv, 0x0025a0, (1 << unit));
+ mask &= ~(1 << unit);
+ }
+ stat &= ~0x20000000;
+ }
+
+ if (stat & 0x40000000) {
+ gk104_fifo_intr_runlist(priv);
+ stat &= ~0x40000000;
+ }
+
+ if (stat & 0x80000000) {
+ nv_wr32(priv, 0x002100, 0x80000000);
+ gk104_fifo_intr_engine(priv);
+ stat &= ~0x80000000;
+ }
+
+ if (stat) {
+ nv_error(priv, "INTR 0x%08x\n", stat);
+ nv_mask(priv, 0x002140, stat, 0x00000000);
+ nv_wr32(priv, 0x002100, stat);
+ }
+}
+
+static void
+gk104_fifo_uevent_init(struct nvkm_event *event, int type, int index)
+{
+ struct nvkm_fifo *fifo = container_of(event, typeof(*fifo), uevent);
+ nv_mask(fifo, 0x002140, 0x80000000, 0x80000000);
+}
+
+static void
+gk104_fifo_uevent_fini(struct nvkm_event *event, int type, int index)
+{
+ struct nvkm_fifo *fifo = container_of(event, typeof(*fifo), uevent);
+ nv_mask(fifo, 0x002140, 0x80000000, 0x00000000);
+}
+
+static const struct nvkm_event_func
+gk104_fifo_uevent_func = {
+ .ctor = nvkm_fifo_uevent_ctor,
+ .init = gk104_fifo_uevent_init,
+ .fini = gk104_fifo_uevent_fini,
+};
+
+int
+gk104_fifo_fini(struct nvkm_object *object, bool suspend)
+{
+ struct gk104_fifo_priv *priv = (void *)object;
+ int ret;
+
+ ret = nvkm_fifo_fini(&priv->base, suspend);
+ if (ret)
+ return ret;
+
+ /* allow mmu fault interrupts, even when we're not using fifo */
+ nv_mask(priv, 0x002140, 0x10000000, 0x10000000);
+ return 0;
+}
+
+int
+gk104_fifo_init(struct nvkm_object *object)
+{
+ struct gk104_fifo_priv *priv = (void *)object;
+ int ret, i;
+
+ ret = nvkm_fifo_init(&priv->base);
+ if (ret)
+ return ret;
+
+ /* enable all available PBDMA units */
+ nv_wr32(priv, 0x000204, 0xffffffff);
+ priv->spoon_nr = hweight32(nv_rd32(priv, 0x000204));
+ nv_debug(priv, "%d PBDMA unit(s)\n", priv->spoon_nr);
+
+ /* PBDMA[n] */
+ for (i = 0; i < priv->spoon_nr; i++) {
+ nv_mask(priv, 0x04013c + (i * 0x2000), 0x10000100, 0x00000000);
+ nv_wr32(priv, 0x040108 + (i * 0x2000), 0xffffffff); /* INTR */
+ nv_wr32(priv, 0x04010c + (i * 0x2000), 0xfffffeff); /* INTREN */
+ }
+
+ /* PBDMA[n].HCE */
+ for (i = 0; i < priv->spoon_nr; i++) {
+ nv_wr32(priv, 0x040148 + (i * 0x2000), 0xffffffff); /* INTR */
+ nv_wr32(priv, 0x04014c + (i * 0x2000), 0xffffffff); /* INTREN */
+ }
+
+ nv_wr32(priv, 0x002254, 0x10000000 | priv->user.bar.offset >> 12);
+
+ nv_wr32(priv, 0x002100, 0xffffffff);
+ nv_wr32(priv, 0x002140, 0x7fffffff);
+ return 0;
+}
+
+void
+gk104_fifo_dtor(struct nvkm_object *object)
+{
+ struct gk104_fifo_priv *priv = (void *)object;
+ int i;
+
+ nvkm_gpuobj_unmap(&priv->user.bar);
+ nvkm_gpuobj_ref(NULL, &priv->user.mem);
+
+ for (i = 0; i < FIFO_ENGINE_NR; i++) {
+ nvkm_gpuobj_ref(NULL, &priv->engine[i].runlist[1]);
+ nvkm_gpuobj_ref(NULL, &priv->engine[i].runlist[0]);
+ }
+
+ nvkm_fifo_destroy(&priv->base);
+}
+
+int
+gk104_fifo_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
+ struct nvkm_oclass *oclass, void *data, u32 size,
+ struct nvkm_object **pobject)
+{
+ struct gk104_fifo_impl *impl = (void *)oclass;
+ struct gk104_fifo_priv *priv;
+ int ret, i;
+
+ ret = nvkm_fifo_create(parent, engine, oclass, 0,
+ impl->channels - 1, &priv);
+ *pobject = nv_object(priv);
+ if (ret)
+ return ret;
+
+ INIT_WORK(&priv->fault, gk104_fifo_recover_work);
+
+ for (i = 0; i < FIFO_ENGINE_NR; i++) {
+ ret = nvkm_gpuobj_new(nv_object(priv), NULL, 0x8000, 0x1000,
+ 0, &priv->engine[i].runlist[0]);
+ if (ret)
+ return ret;
+
+ ret = nvkm_gpuobj_new(nv_object(priv), NULL, 0x8000, 0x1000,
+ 0, &priv->engine[i].runlist[1]);
+ if (ret)
+ return ret;
+
+ init_waitqueue_head(&priv->engine[i].wait);
+ }
+
+ ret = nvkm_gpuobj_new(nv_object(priv), NULL, impl->channels * 0x200,
+ 0x1000, NVOBJ_FLAG_ZERO_ALLOC, &priv->user.mem);
+ if (ret)
+ return ret;
+
+ ret = nvkm_gpuobj_map(priv->user.mem, NV_MEM_ACCESS_RW,
+ &priv->user.bar);
+ if (ret)
+ return ret;
+
+ ret = nvkm_event_init(&gk104_fifo_uevent_func, 1, 1, &priv->base.uevent);
+ if (ret)
+ return ret;
+
+ nv_subdev(priv)->unit = 0x00000100;
+ nv_subdev(priv)->intr = gk104_fifo_intr;
+ nv_engine(priv)->cclass = &gk104_fifo_cclass;
+ nv_engine(priv)->sclass = gk104_fifo_sclass;
+ return 0;
+}
+
+struct nvkm_oclass *
+gk104_fifo_oclass = &(struct gk104_fifo_impl) {
+ .base.handle = NV_ENGINE(FIFO, 0xe0),
+ .base.ofuncs = &(struct nvkm_ofuncs) {
+ .ctor = gk104_fifo_ctor,
+ .dtor = gk104_fifo_dtor,
+ .init = gk104_fifo_init,
+ .fini = gk104_fifo_fini,
+ },
+ .channels = 4096,
+}.base;
Code Review / kvmfornfv.git / blobdiff