1  /*
2   * Copyright 2018 Red Hat Inc.
3   *
4   * Permission is hereby granted, free of charge, to any person obtaining a
5   * copy of this software and associated documentation files (the "Software"),
6   * to deal in the Software without restriction, including without limitation
7   * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8   * and/or sell copies of the Software, and to permit persons to whom the
9   * Software is furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17   * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18   * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19   * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20   * OTHER DEALINGS IN THE SOFTWARE.
21   */
22  #include "priv.h"
23  #include "chan.h"
24  #include "chid.h"
25  #include "cgrp.h"
26  #include "runl.h"
27  #include "runq.h"
28  
29  #include <core/gpuobj.h>
30  #include <subdev/mmu.h>
31  
32  #include <nvif/class.h>
33  
34  static u32
gv100_chan_doorbell_handle(struct nvkm_chan * chan)35  gv100_chan_doorbell_handle(struct nvkm_chan *chan)
36  {
37  	return chan->id;
38  }
39  
40  static int
gv100_chan_ramfc_write(struct nvkm_chan * chan,u64 offset,u64 length,u32 devm,bool priv)41  gv100_chan_ramfc_write(struct nvkm_chan *chan, u64 offset, u64 length, u32 devm, bool priv)
42  {
43  	const u64 userd = nvkm_memory_addr(chan->userd.mem) + chan->userd.base;
44  	const u32 limit2 = ilog2(length / 8);
45  
46  	nvkm_kmap(chan->inst);
47  	nvkm_wo32(chan->inst, 0x008, lower_32_bits(userd));
48  	nvkm_wo32(chan->inst, 0x00c, upper_32_bits(userd));
49  	nvkm_wo32(chan->inst, 0x010, 0x0000face);
50  	nvkm_wo32(chan->inst, 0x030, 0x7ffff902);
51  	nvkm_wo32(chan->inst, 0x048, lower_32_bits(offset));
52  	nvkm_wo32(chan->inst, 0x04c, upper_32_bits(offset) | (limit2 << 16));
53  	nvkm_wo32(chan->inst, 0x084, 0x20400000);
54  	nvkm_wo32(chan->inst, 0x094, 0x30000000 | devm);
55  	nvkm_wo32(chan->inst, 0x0e4, priv ? 0x00000020 : 0x00000000);
56  	nvkm_wo32(chan->inst, 0x0e8, chan->id);
57  	nvkm_wo32(chan->inst, 0x0f4, 0x00001000 | (priv ? 0x00000100 : 0x00000000));
58  	nvkm_wo32(chan->inst, 0x0f8, 0x10003080);
59  	nvkm_mo32(chan->inst, 0x218, 0x00000000, 0x00000000);
60  	nvkm_done(chan->inst);
61  	return 0;
62  }
63  
64  const struct nvkm_chan_func_ramfc
65  gv100_chan_ramfc = {
66  	.write = gv100_chan_ramfc_write,
67  	.devm = 0xfff,
68  	.priv = true,
69  };
70  
71  const struct nvkm_chan_func_userd
72  gv100_chan_userd = {
73  	.bar = -1,
74  	.size = 0x200,
75  	.clear = gf100_chan_userd_clear,
76  };
77  
78  static const struct nvkm_chan_func
79  gv100_chan = {
80  	.inst = &gf100_chan_inst,
81  	.userd = &gv100_chan_userd,
82  	.ramfc = &gv100_chan_ramfc,
83  	.bind = gk104_chan_bind_inst,
84  	.unbind = gk104_chan_unbind,
85  	.start = gk104_chan_start,
86  	.stop = gk104_chan_stop,
87  	.preempt = gk110_chan_preempt,
88  	.doorbell_handle = gv100_chan_doorbell_handle,
89  };
90  
91  void
gv100_ectx_bind(struct nvkm_engn * engn,struct nvkm_cctx * cctx,struct nvkm_chan * chan)92  gv100_ectx_bind(struct nvkm_engn *engn, struct nvkm_cctx *cctx, struct nvkm_chan *chan)
93  {
94  	u64 addr = 0ULL;
95  
96  	if (cctx) {
97  		addr  = cctx->vctx->vma->addr;
98  		addr |= 4ULL;
99  	}
100  
101  	nvkm_kmap(chan->inst);
102  	nvkm_wo32(chan->inst, 0x210, lower_32_bits(addr));
103  	nvkm_wo32(chan->inst, 0x214, upper_32_bits(addr));
104  	nvkm_mo32(chan->inst, 0x0ac, 0x00010000, cctx ? 0x00010000 : 0x00000000);
105  	nvkm_done(chan->inst);
106  }
107  
108  const struct nvkm_engn_func
109  gv100_engn = {
110  	.chsw = gk104_engn_chsw,
111  	.cxid = gk104_engn_cxid,
112  	.ctor = gk104_ectx_ctor,
113  	.bind = gv100_ectx_bind,
114  };
115  
116  void
gv100_ectx_ce_bind(struct nvkm_engn * engn,struct nvkm_cctx * cctx,struct nvkm_chan * chan)117  gv100_ectx_ce_bind(struct nvkm_engn *engn, struct nvkm_cctx *cctx, struct nvkm_chan *chan)
118  {
119  	const u64 bar2 = cctx ? nvkm_memory_bar2(cctx->vctx->inst->memory) : 0ULL;
120  
121  	nvkm_kmap(chan->inst);
122  	nvkm_wo32(chan->inst, 0x220, lower_32_bits(bar2));
123  	nvkm_wo32(chan->inst, 0x224, upper_32_bits(bar2));
124  	nvkm_mo32(chan->inst, 0x0ac, 0x00020000, cctx ? 0x00020000 : 0x00000000);
125  	nvkm_done(chan->inst);
126  }
127  
128  int
gv100_ectx_ce_ctor(struct nvkm_engn * engn,struct nvkm_vctx * vctx)129  gv100_ectx_ce_ctor(struct nvkm_engn *engn, struct nvkm_vctx *vctx)
130  {
131  	if (nvkm_memory_bar2(vctx->inst->memory) == ~0ULL)
132  		return -EFAULT;
133  
134  	return 0;
135  }
136  
137  const struct nvkm_engn_func
138  gv100_engn_ce = {
139  	.chsw = gk104_engn_chsw,
140  	.cxid = gk104_engn_cxid,
141  	.ctor = gv100_ectx_ce_ctor,
142  	.bind = gv100_ectx_ce_bind,
143  };
144  
145  static bool
gv100_runq_intr_1_ctxnotvalid(struct nvkm_runq * runq,int chid)146  gv100_runq_intr_1_ctxnotvalid(struct nvkm_runq *runq, int chid)
147  {
148  	struct nvkm_fifo *fifo = runq->fifo;
149  	struct nvkm_device *device = fifo->engine.subdev.device;
150  	struct nvkm_chan *chan;
151  	unsigned long flags;
152  
153  	RUNQ_ERROR(runq, "CTXNOTVALID chid:%d", chid);
154  
155  	chan = nvkm_chan_get_chid(&fifo->engine, chid, &flags);
156  	if (WARN_ON_ONCE(!chan))
157  		return false;
158  
159  	nvkm_chan_error(chan, true);
160  	nvkm_chan_put(&chan, flags);
161  
162  	nvkm_mask(device, 0x0400ac + (runq->id * 0x2000), 0x00030000, 0x00030000);
163  	nvkm_wr32(device, 0x040148 + (runq->id * 0x2000), 0x80000000);
164  	return true;
165  }
166  
167  const struct nvkm_runq_func
168  gv100_runq = {
169  	.init = gk208_runq_init,
170  	.intr = gk104_runq_intr,
171  	.intr_0_names = gk104_runq_intr_0_names,
172  	.intr_1_ctxnotvalid = gv100_runq_intr_1_ctxnotvalid,
173  	.idle = gk104_runq_idle,
174  };
175  
176  void
gv100_runl_preempt(struct nvkm_runl * runl)177  gv100_runl_preempt(struct nvkm_runl *runl)
178  {
179  	nvkm_wr32(runl->fifo->engine.subdev.device, 0x002638, BIT(runl->id));
180  }
181  
182  void
gv100_runl_insert_chan(struct nvkm_chan * chan,struct nvkm_memory * memory,u64 offset)183  gv100_runl_insert_chan(struct nvkm_chan *chan, struct nvkm_memory *memory, u64 offset)
184  {
185  	const u64 user = nvkm_memory_addr(chan->userd.mem) + chan->userd.base;
186  	const u64 inst = chan->inst->addr;
187  
188  	nvkm_wo32(memory, offset + 0x0, lower_32_bits(user) | chan->runq << 1);
189  	nvkm_wo32(memory, offset + 0x4, upper_32_bits(user));
190  	nvkm_wo32(memory, offset + 0x8, lower_32_bits(inst) | chan->id);
191  	nvkm_wo32(memory, offset + 0xc, upper_32_bits(inst));
192  }
193  
194  void
gv100_runl_insert_cgrp(struct nvkm_cgrp * cgrp,struct nvkm_memory * memory,u64 offset)195  gv100_runl_insert_cgrp(struct nvkm_cgrp *cgrp, struct nvkm_memory *memory, u64 offset)
196  {
197  	nvkm_wo32(memory, offset + 0x0, (128 << 24) | (3 << 16) | 0x00000001);
198  	nvkm_wo32(memory, offset + 0x4, cgrp->chan_nr);
199  	nvkm_wo32(memory, offset + 0x8, cgrp->id);
200  	nvkm_wo32(memory, offset + 0xc, 0x00000000);
201  }
202  
203  static const struct nvkm_runl_func
204  gv100_runl = {
205  	.runqs = 2,
206  	.size = 16,
207  	.update = nv50_runl_update,
208  	.insert_cgrp = gv100_runl_insert_cgrp,
209  	.insert_chan = gv100_runl_insert_chan,
210  	.commit = gk104_runl_commit,
211  	.wait = nv50_runl_wait,
212  	.pending = gk104_runl_pending,
213  	.block = gk104_runl_block,
214  	.allow = gk104_runl_allow,
215  	.preempt = gv100_runl_preempt,
216  	.preempt_pending = gf100_runl_preempt_pending,
217  };
218  
219  const struct nvkm_enum
220  gv100_fifo_mmu_fault_gpcclient[] = {
221  	{ 0x00, "T1_0" },
222  	{ 0x01, "T1_1" },
223  	{ 0x02, "T1_2" },
224  	{ 0x03, "T1_3" },
225  	{ 0x04, "T1_4" },
226  	{ 0x05, "T1_5" },
227  	{ 0x06, "T1_6" },
228  	{ 0x07, "T1_7" },
229  	{ 0x08, "PE_0" },
230  	{ 0x09, "PE_1" },
231  	{ 0x0a, "PE_2" },
232  	{ 0x0b, "PE_3" },
233  	{ 0x0c, "PE_4" },
234  	{ 0x0d, "PE_5" },
235  	{ 0x0e, "PE_6" },
236  	{ 0x0f, "PE_7" },
237  	{ 0x10, "RAST" },
238  	{ 0x11, "GCC" },
239  	{ 0x12, "GPCCS" },
240  	{ 0x13, "PROP_0" },
241  	{ 0x14, "PROP_1" },
242  	{ 0x15, "PROP_2" },
243  	{ 0x16, "PROP_3" },
244  	{ 0x17, "GPM" },
245  	{ 0x18, "LTP_UTLB_0" },
246  	{ 0x19, "LTP_UTLB_1" },
247  	{ 0x1a, "LTP_UTLB_2" },
248  	{ 0x1b, "LTP_UTLB_3" },
249  	{ 0x1c, "LTP_UTLB_4" },
250  	{ 0x1d, "LTP_UTLB_5" },
251  	{ 0x1e, "LTP_UTLB_6" },
252  	{ 0x1f, "LTP_UTLB_7" },
253  	{ 0x20, "RGG_UTLB" },
254  	{ 0x21, "T1_8" },
255  	{ 0x22, "T1_9" },
256  	{ 0x23, "T1_10" },
257  	{ 0x24, "T1_11" },
258  	{ 0x25, "T1_12" },
259  	{ 0x26, "T1_13" },
260  	{ 0x27, "T1_14" },
261  	{ 0x28, "T1_15" },
262  	{ 0x29, "TPCCS_0" },
263  	{ 0x2a, "TPCCS_1" },
264  	{ 0x2b, "TPCCS_2" },
265  	{ 0x2c, "TPCCS_3" },
266  	{ 0x2d, "TPCCS_4" },
267  	{ 0x2e, "TPCCS_5" },
268  	{ 0x2f, "TPCCS_6" },
269  	{ 0x30, "TPCCS_7" },
270  	{ 0x31, "PE_8" },
271  	{ 0x32, "PE_9" },
272  	{ 0x33, "TPCCS_8" },
273  	{ 0x34, "TPCCS_9" },
274  	{ 0x35, "T1_16" },
275  	{ 0x36, "T1_17" },
276  	{ 0x37, "T1_18" },
277  	{ 0x38, "T1_19" },
278  	{ 0x39, "PE_10" },
279  	{ 0x3a, "PE_11" },
280  	{ 0x3b, "TPCCS_10" },
281  	{ 0x3c, "TPCCS_11" },
282  	{ 0x3d, "T1_20" },
283  	{ 0x3e, "T1_21" },
284  	{ 0x3f, "T1_22" },
285  	{ 0x40, "T1_23" },
286  	{ 0x41, "PE_12" },
287  	{ 0x42, "PE_13" },
288  	{ 0x43, "TPCCS_12" },
289  	{ 0x44, "TPCCS_13" },
290  	{ 0x45, "T1_24" },
291  	{ 0x46, "T1_25" },
292  	{ 0x47, "T1_26" },
293  	{ 0x48, "T1_27" },
294  	{ 0x49, "PE_14" },
295  	{ 0x4a, "PE_15" },
296  	{ 0x4b, "TPCCS_14" },
297  	{ 0x4c, "TPCCS_15" },
298  	{ 0x4d, "T1_28" },
299  	{ 0x4e, "T1_29" },
300  	{ 0x4f, "T1_30" },
301  	{ 0x50, "T1_31" },
302  	{ 0x51, "PE_16" },
303  	{ 0x52, "PE_17" },
304  	{ 0x53, "TPCCS_16" },
305  	{ 0x54, "TPCCS_17" },
306  	{ 0x55, "T1_32" },
307  	{ 0x56, "T1_33" },
308  	{ 0x57, "T1_34" },
309  	{ 0x58, "T1_35" },
310  	{ 0x59, "PE_18" },
311  	{ 0x5a, "PE_19" },
312  	{ 0x5b, "TPCCS_18" },
313  	{ 0x5c, "TPCCS_19" },
314  	{ 0x5d, "T1_36" },
315  	{ 0x5e, "T1_37" },
316  	{ 0x5f, "T1_38" },
317  	{ 0x60, "T1_39" },
318  	{}
319  };
320  
321  const struct nvkm_enum
322  gv100_fifo_mmu_fault_hubclient[] = {
323  	{ 0x00, "VIP" },
324  	{ 0x01, "CE0" },
325  	{ 0x02, "CE1" },
326  	{ 0x03, "DNISO" },
327  	{ 0x04, "FE" },
328  	{ 0x05, "FECS" },
329  	{ 0x06, "HOST" },
330  	{ 0x07, "HOST_CPU" },
331  	{ 0x08, "HOST_CPU_NB" },
332  	{ 0x09, "ISO" },
333  	{ 0x0a, "MMU" },
334  	{ 0x0b, "NVDEC" },
335  	{ 0x0d, "NVENC1" },
336  	{ 0x0e, "NISO" },
337  	{ 0x0f, "P2P" },
338  	{ 0x10, "PD" },
339  	{ 0x11, "PERF" },
340  	{ 0x12, "PMU" },
341  	{ 0x13, "RASTERTWOD" },
342  	{ 0x14, "SCC" },
343  	{ 0x15, "SCC_NB" },
344  	{ 0x16, "SEC" },
345  	{ 0x17, "SSYNC" },
346  	{ 0x18, "CE2" },
347  	{ 0x19, "XV" },
348  	{ 0x1a, "MMU_NB" },
349  	{ 0x1b, "NVENC0" },
350  	{ 0x1c, "DFALCON" },
351  	{ 0x1d, "SKED" },
352  	{ 0x1e, "AFALCON" },
353  	{ 0x1f, "DONT_CARE" },
354  	{ 0x20, "HSCE0" },
355  	{ 0x21, "HSCE1" },
356  	{ 0x22, "HSCE2" },
357  	{ 0x23, "HSCE3" },
358  	{ 0x24, "HSCE4" },
359  	{ 0x25, "HSCE5" },
360  	{ 0x26, "HSCE6" },
361  	{ 0x27, "HSCE7" },
362  	{ 0x28, "HSCE8" },
363  	{ 0x29, "HSCE9" },
364  	{ 0x2a, "HSHUB" },
365  	{ 0x2b, "PTP_X0" },
366  	{ 0x2c, "PTP_X1" },
367  	{ 0x2d, "PTP_X2" },
368  	{ 0x2e, "PTP_X3" },
369  	{ 0x2f, "PTP_X4" },
370  	{ 0x30, "PTP_X5" },
371  	{ 0x31, "PTP_X6" },
372  	{ 0x32, "PTP_X7" },
373  	{ 0x33, "NVENC2" },
374  	{ 0x34, "VPR_SCRUBBER0" },
375  	{ 0x35, "VPR_SCRUBBER1" },
376  	{ 0x36, "DWBIF" },
377  	{ 0x37, "FBFALCON" },
378  	{ 0x38, "CE_SHIM" },
379  	{ 0x39, "GSP" },
380  	{}
381  };
382  
383  const struct nvkm_enum
384  gv100_fifo_mmu_fault_reason[] = {
385  	{ 0x00, "PDE" },
386  	{ 0x01, "PDE_SIZE" },
387  	{ 0x02, "PTE" },
388  	{ 0x03, "VA_LIMIT_VIOLATION" },
389  	{ 0x04, "UNBOUND_INST_BLOCK" },
390  	{ 0x05, "PRIV_VIOLATION" },
391  	{ 0x06, "RO_VIOLATION" },
392  	{ 0x07, "WO_VIOLATION" },
393  	{ 0x08, "PITCH_MASK_VIOLATION" },
394  	{ 0x09, "WORK_CREATION" },
395  	{ 0x0a, "UNSUPPORTED_APERTURE" },
396  	{ 0x0b, "COMPRESSION_FAILURE" },
397  	{ 0x0c, "UNSUPPORTED_KIND" },
398  	{ 0x0d, "REGION_VIOLATION" },
399  	{ 0x0e, "POISONED" },
400  	{ 0x0f, "ATOMIC_VIOLATION" },
401  	{}
402  };
403  
404  static const struct nvkm_enum
405  gv100_fifo_mmu_fault_engine[] = {
406  	{ 0x01, "DISPLAY" },
407  	{ 0x03, "PTP" },
408  	{ 0x04, "BAR1", NULL, NVKM_SUBDEV_BAR },
409  	{ 0x05, "BAR2", NULL, NVKM_SUBDEV_INSTMEM },
410  	{ 0x06, "PWR_PMU" },
411  	{ 0x08, "IFB", NULL, NVKM_ENGINE_IFB },
412  	{ 0x09, "PERF" },
413  	{ 0x1f, "PHYSICAL" },
414  	{ 0x20, "HOST0" },
415  	{ 0x21, "HOST1" },
416  	{ 0x22, "HOST2" },
417  	{ 0x23, "HOST3" },
418  	{ 0x24, "HOST4" },
419  	{ 0x25, "HOST5" },
420  	{ 0x26, "HOST6" },
421  	{ 0x27, "HOST7" },
422  	{ 0x28, "HOST8" },
423  	{ 0x29, "HOST9" },
424  	{ 0x2a, "HOST10" },
425  	{ 0x2b, "HOST11" },
426  	{ 0x2c, "HOST12" },
427  	{ 0x2d, "HOST13" },
428  	{}
429  };
430  
431  const struct nvkm_enum
432  gv100_fifo_mmu_fault_access[] = {
433  	{ 0x0, "VIRT_READ" },
434  	{ 0x1, "VIRT_WRITE" },
435  	{ 0x2, "VIRT_ATOMIC" },
436  	{ 0x3, "VIRT_PREFETCH" },
437  	{ 0x4, "VIRT_ATOMIC_WEAK" },
438  	{ 0x8, "PHYS_READ" },
439  	{ 0x9, "PHYS_WRITE" },
440  	{ 0xa, "PHYS_ATOMIC" },
441  	{ 0xb, "PHYS_PREFETCH" },
442  	{}
443  };
444  
445  static const struct nvkm_fifo_func_mmu_fault
446  gv100_fifo_mmu_fault = {
447  	.recover = gf100_fifo_mmu_fault_recover,
448  	.access = gv100_fifo_mmu_fault_access,
449  	.engine = gv100_fifo_mmu_fault_engine,
450  	.reason = gv100_fifo_mmu_fault_reason,
451  	.hubclient = gv100_fifo_mmu_fault_hubclient,
452  	.gpcclient = gv100_fifo_mmu_fault_gpcclient,
453  };
454  
455  static void
gv100_fifo_intr_ctxsw_timeout(struct nvkm_fifo * fifo,u32 engm)456  gv100_fifo_intr_ctxsw_timeout(struct nvkm_fifo *fifo, u32 engm)
457  {
458  	struct nvkm_runl *runl;
459  	struct nvkm_engn *engn;
460  
461  	nvkm_runl_foreach(runl, fifo) {
462  		nvkm_runl_foreach_engn_cond(engn, runl, engm & BIT(engn->id))
463  			nvkm_runl_rc_engn(runl, engn);
464  	}
465  }
466  
467  static const struct nvkm_fifo_func
468  gv100_fifo = {
469  	.chid_nr = gm200_fifo_chid_nr,
470  	.chid_ctor = gk110_fifo_chid_ctor,
471  	.runq_nr = gm200_fifo_runq_nr,
472  	.runl_ctor = gk104_fifo_runl_ctor,
473  	.init = gk104_fifo_init,
474  	.init_pbdmas = gk104_fifo_init_pbdmas,
475  	.intr = gk104_fifo_intr,
476  	.intr_ctxsw_timeout = gv100_fifo_intr_ctxsw_timeout,
477  	.mmu_fault = &gv100_fifo_mmu_fault,
478  	.nonstall = &gf100_fifo_nonstall,
479  	.runl = &gv100_runl,
480  	.runq = &gv100_runq,
481  	.engn = &gv100_engn,
482  	.engn_ce = &gv100_engn_ce,
483  	.cgrp = {{ 0, 0, KEPLER_CHANNEL_GROUP_A  }, &gk110_cgrp, .force = true },
484  	.chan = {{ 0, 0,  VOLTA_CHANNEL_GPFIFO_A }, &gv100_chan },
485  };
486  
487  int
gv100_fifo_new(struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_fifo ** pfifo)488  gv100_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
489  	       struct nvkm_fifo **pfifo)
490  {
491  	return nvkm_fifo_new_(&gv100_fifo, device, type, inst, pfifo);
492  }
493