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-rw-r--r--include/gk20a/ce2_gk20a.c576
1 files changed, 0 insertions, 576 deletions
diff --git a/include/gk20a/ce2_gk20a.c b/include/gk20a/ce2_gk20a.c
deleted file mode 100644
index 2a40b08..0000000
--- a/include/gk20a/ce2_gk20a.c
+++ /dev/null
@@ -1,576 +0,0 @@
1/*
2 * GK20A Graphics Copy Engine (gr host)
3 *
4 * Copyright (c) 2011-2019, NVIDIA CORPORATION. All rights reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 */
24
25#include <nvgpu/kmem.h>
26#include <nvgpu/dma.h>
27#include <nvgpu/os_sched.h>
28#include <nvgpu/log.h>
29#include <nvgpu/enabled.h>
30#include <nvgpu/io.h>
31#include <nvgpu/utils.h>
32#include <nvgpu/channel.h>
33#include <nvgpu/power_features/cg.h>
34
35#include "gk20a.h"
36#include "gk20a/fence_gk20a.h"
37
38#include <nvgpu/hw/gk20a/hw_ce2_gk20a.h>
39#include <nvgpu/hw/gk20a/hw_pbdma_gk20a.h>
40#include <nvgpu/hw/gk20a/hw_ccsr_gk20a.h>
41#include <nvgpu/hw/gk20a/hw_ram_gk20a.h>
42#include <nvgpu/hw/gk20a/hw_top_gk20a.h>
43#include <nvgpu/hw/gk20a/hw_gr_gk20a.h>
44#include <nvgpu/barrier.h>
45
46/*
47 * Copy engine defines line size in pixels
48 */
49#define MAX_CE_SHIFT 31 /* 4Gpixels -1 */
50#define MAX_CE_MASK ((u32) (~(~0U << MAX_CE_SHIFT)))
51#define MAX_CE_ALIGN(a) (a & MAX_CE_MASK)
52
53
54static u32 ce2_nonblockpipe_isr(struct gk20a *g, u32 fifo_intr)
55{
56 nvgpu_log(g, gpu_dbg_intr, "ce2 non-blocking pipe interrupt\n");
57
58 return ce2_intr_status_nonblockpipe_pending_f();
59}
60
61static u32 ce2_blockpipe_isr(struct gk20a *g, u32 fifo_intr)
62{
63 nvgpu_log(g, gpu_dbg_intr, "ce2 blocking pipe interrupt\n");
64
65 return ce2_intr_status_blockpipe_pending_f();
66}
67
68static u32 ce2_launcherr_isr(struct gk20a *g, u32 fifo_intr)
69{
70 nvgpu_log(g, gpu_dbg_intr, "ce2 launch error interrupt\n");
71
72 return ce2_intr_status_launcherr_pending_f();
73}
74
75void gk20a_ce2_isr(struct gk20a *g, u32 inst_id, u32 pri_base)
76{
77 u32 ce2_intr = gk20a_readl(g, ce2_intr_status_r());
78 u32 clear_intr = 0;
79
80 nvgpu_log(g, gpu_dbg_intr, "ce2 isr %08x\n", ce2_intr);
81
82 /* clear blocking interrupts: they exibit broken behavior */
83 if (ce2_intr & ce2_intr_status_blockpipe_pending_f()) {
84 clear_intr |= ce2_blockpipe_isr(g, ce2_intr);
85 }
86
87 if (ce2_intr & ce2_intr_status_launcherr_pending_f()) {
88 clear_intr |= ce2_launcherr_isr(g, ce2_intr);
89 }
90
91 gk20a_writel(g, ce2_intr_status_r(), clear_intr);
92 return;
93}
94
95u32 gk20a_ce2_nonstall_isr(struct gk20a *g, u32 inst_id, u32 pri_base)
96{
97 u32 ops = 0;
98 u32 ce2_intr = gk20a_readl(g, ce2_intr_status_r());
99
100 nvgpu_log(g, gpu_dbg_intr, "ce2 nonstall isr %08x\n", ce2_intr);
101
102 if (ce2_intr & ce2_intr_status_nonblockpipe_pending_f()) {
103 gk20a_writel(g, ce2_intr_status_r(),
104 ce2_nonblockpipe_isr(g, ce2_intr));
105 ops |= (GK20A_NONSTALL_OPS_WAKEUP_SEMAPHORE |
106 GK20A_NONSTALL_OPS_POST_EVENTS);
107 }
108 return ops;
109}
110
111/* static CE app api */
112static void gk20a_ce_put_fences(struct gk20a_gpu_ctx *ce_ctx)
113{
114 u32 i;
115
116 for (i = 0; i < NVGPU_CE_MAX_INFLIGHT_JOBS; i++) {
117 struct gk20a_fence **fence = &ce_ctx->postfences[i];
118 if (*fence) {
119 gk20a_fence_put(*fence);
120 }
121 *fence = NULL;
122 }
123}
124
125/* assume this api should need to call under nvgpu_mutex_acquire(&ce_app->app_mutex) */
126static void gk20a_ce_delete_gpu_context(struct gk20a_gpu_ctx *ce_ctx)
127{
128 struct nvgpu_list_node *list = &ce_ctx->list;
129
130 ce_ctx->gpu_ctx_state = NVGPU_CE_GPU_CTX_DELETED;
131
132 nvgpu_mutex_acquire(&ce_ctx->gpu_ctx_mutex);
133
134 if (nvgpu_mem_is_valid(&ce_ctx->cmd_buf_mem)) {
135 gk20a_ce_put_fences(ce_ctx);
136 nvgpu_dma_unmap_free(ce_ctx->vm, &ce_ctx->cmd_buf_mem);
137 }
138
139 /*
140 * free the channel
141 * gk20a_channel_close() will also unbind the channel from TSG
142 */
143 gk20a_channel_close(ce_ctx->ch);
144 nvgpu_ref_put(&ce_ctx->tsg->refcount, gk20a_tsg_release);
145
146 /* housekeeping on app */
147 if (list->prev && list->next) {
148 nvgpu_list_del(list);
149 }
150
151 nvgpu_mutex_release(&ce_ctx->gpu_ctx_mutex);
152 nvgpu_mutex_destroy(&ce_ctx->gpu_ctx_mutex);
153
154 nvgpu_kfree(ce_ctx->g, ce_ctx);
155}
156
157static inline unsigned int gk20a_ce_get_method_size(int request_operation,
158 u64 size)
159{
160 /* failure size */
161 unsigned int methodsize = UINT_MAX;
162 unsigned int iterations = 0;
163 u32 shift;
164 u64 chunk = size;
165 u32 height, width;
166
167 while (chunk) {
168 iterations++;
169
170 shift = MAX_CE_ALIGN(chunk) ? __ffs(MAX_CE_ALIGN(chunk)) :
171 MAX_CE_SHIFT;
172 width = chunk >> shift;
173 height = 1 << shift;
174 width = MAX_CE_ALIGN(width);
175
176 chunk -= (u64) height * width;
177 }
178
179 if (request_operation & NVGPU_CE_PHYS_MODE_TRANSFER) {
180 methodsize = (2 + (16 * iterations)) * sizeof(u32);
181 } else if (request_operation & NVGPU_CE_MEMSET) {
182 methodsize = (2 + (15 * iterations)) * sizeof(u32);
183 }
184
185 return methodsize;
186}
187
188int gk20a_ce_prepare_submit(u64 src_buf,
189 u64 dst_buf,
190 u64 size,
191 u32 *cmd_buf_cpu_va,
192 u32 max_cmd_buf_size,
193 unsigned int payload,
194 int launch_flags,
195 int request_operation,
196 u32 dma_copy_class)
197{
198 u32 launch = 0;
199 u32 methodSize = 0;
200 u64 offset = 0;
201 u64 chunk_size = 0;
202 u64 chunk = size;
203
204 /* failure case handling */
205 if ((gk20a_ce_get_method_size(request_operation, size) >
206 max_cmd_buf_size) || (!size) ||
207 (request_operation > NVGPU_CE_MEMSET)) {
208 return 0;
209 }
210
211 /* set the channel object */
212 cmd_buf_cpu_va[methodSize++] = 0x20018000;
213 cmd_buf_cpu_va[methodSize++] = dma_copy_class;
214
215 /*
216 * The purpose clear the memory in 2D rectangles. We get the ffs to
217 * determine the number of lines to copy. The only constraint is that
218 * maximum number of pixels per line is 4Gpix - 1, which is awkward for
219 * calculation, so we settle to 2Gpix per line to make calculatione
220 * more agreable
221 */
222
223 /* The copy engine in 2D mode can have (2^32 - 1) x (2^32 - 1) pixels in
224 * a single submit, we are going to try to clear a range of up to 2Gpix
225 * multiple lines. Because we want to copy byte aligned we will be
226 * setting 1 byte pixels */
227
228 /*
229 * per iteration
230 * <------------------------- 40 bits ------------------------------>
231 * 1 <------ ffs ------->
232 * <-----------up to 30 bits----------->
233 */
234 while (chunk) {
235 u32 width, height, shift;
236
237 /*
238 * We will be aligning to bytes, making the maximum number of
239 * pix per line 2Gb
240 */
241
242 shift = MAX_CE_ALIGN(chunk) ? __ffs(MAX_CE_ALIGN(chunk)) :
243 MAX_CE_SHIFT;
244 height = chunk >> shift;
245 width = 1 << shift;
246 height = MAX_CE_ALIGN(height);
247
248 chunk_size = (u64) height * width;
249
250 /* reset launch flag */
251 launch = 0;
252
253 if (request_operation & NVGPU_CE_PHYS_MODE_TRANSFER) {
254 /* setup the source */
255 cmd_buf_cpu_va[methodSize++] = 0x20028100;
256 cmd_buf_cpu_va[methodSize++] = (u64_hi32(src_buf +
257 offset) & NVGPU_CE_UPPER_ADDRESS_OFFSET_MASK);
258 cmd_buf_cpu_va[methodSize++] = (u64_lo32(src_buf +
259 offset) & NVGPU_CE_LOWER_ADDRESS_OFFSET_MASK);
260
261 cmd_buf_cpu_va[methodSize++] = 0x20018098;
262 if (launch_flags & NVGPU_CE_SRC_LOCATION_LOCAL_FB) {
263 cmd_buf_cpu_va[methodSize++] = 0x00000000;
264 } else if (launch_flags &
265 NVGPU_CE_SRC_LOCATION_NONCOHERENT_SYSMEM) {
266 cmd_buf_cpu_va[methodSize++] = 0x00000002;
267 } else {
268 cmd_buf_cpu_va[methodSize++] = 0x00000001;
269 }
270
271 launch |= 0x00001000;
272 } else if (request_operation & NVGPU_CE_MEMSET) {
273 /* Remap from component A on 1 byte wide pixels */
274 cmd_buf_cpu_va[methodSize++] = 0x200181c2;
275 cmd_buf_cpu_va[methodSize++] = 0x00000004;
276
277 cmd_buf_cpu_va[methodSize++] = 0x200181c0;
278 cmd_buf_cpu_va[methodSize++] = payload;
279
280 launch |= 0x00000400;
281 } else {
282 /* Illegal size */
283 return 0;
284 }
285
286 /* setup the destination/output */
287 cmd_buf_cpu_va[methodSize++] = 0x20068102;
288 cmd_buf_cpu_va[methodSize++] = (u64_hi32(dst_buf +
289 offset) & NVGPU_CE_UPPER_ADDRESS_OFFSET_MASK);
290 cmd_buf_cpu_va[methodSize++] = (u64_lo32(dst_buf +
291 offset) & NVGPU_CE_LOWER_ADDRESS_OFFSET_MASK);
292 /* Pitch in/out */
293 cmd_buf_cpu_va[methodSize++] = width;
294 cmd_buf_cpu_va[methodSize++] = width;
295 /* width and line count */
296 cmd_buf_cpu_va[methodSize++] = width;
297 cmd_buf_cpu_va[methodSize++] = height;
298
299 cmd_buf_cpu_va[methodSize++] = 0x20018099;
300 if (launch_flags & NVGPU_CE_DST_LOCATION_LOCAL_FB) {
301 cmd_buf_cpu_va[methodSize++] = 0x00000000;
302 } else if (launch_flags &
303 NVGPU_CE_DST_LOCATION_NONCOHERENT_SYSMEM) {
304 cmd_buf_cpu_va[methodSize++] = 0x00000002;
305 } else {
306 cmd_buf_cpu_va[methodSize++] = 0x00000001;
307 }
308
309 launch |= 0x00002005;
310
311 if (launch_flags & NVGPU_CE_SRC_MEMORY_LAYOUT_BLOCKLINEAR) {
312 launch |= 0x00000000;
313 } else {
314 launch |= 0x00000080;
315 }
316
317 if (launch_flags & NVGPU_CE_DST_MEMORY_LAYOUT_BLOCKLINEAR) {
318 launch |= 0x00000000;
319 } else {
320 launch |= 0x00000100;
321 }
322
323 cmd_buf_cpu_va[methodSize++] = 0x200180c0;
324 cmd_buf_cpu_va[methodSize++] = launch;
325 offset += chunk_size;
326 chunk -= chunk_size;
327 }
328
329 return methodSize;
330}
331
332/* global CE app related apis */
333int gk20a_init_ce_support(struct gk20a *g)
334{
335 struct gk20a_ce_app *ce_app = &g->ce_app;
336 int err;
337 u32 ce_reset_mask;
338
339 ce_reset_mask = gk20a_fifo_get_all_ce_engine_reset_mask(g);
340
341 g->ops.mc.reset(g, ce_reset_mask);
342
343 nvgpu_cg_slcg_ce2_load_enable(g);
344
345 nvgpu_cg_blcg_ce_load_enable(g);
346
347 if (ce_app->initialised) {
348 /* assume this happen during poweron/poweroff GPU sequence */
349 ce_app->app_state = NVGPU_CE_ACTIVE;
350 return 0;
351 }
352
353 nvgpu_log(g, gpu_dbg_fn, "ce: init");
354
355 err = nvgpu_mutex_init(&ce_app->app_mutex);
356 if (err) {
357 return err;
358 }
359
360 nvgpu_mutex_acquire(&ce_app->app_mutex);
361
362 nvgpu_init_list_node(&ce_app->allocated_contexts);
363 ce_app->ctx_count = 0;
364 ce_app->next_ctx_id = 0;
365 ce_app->initialised = true;
366 ce_app->app_state = NVGPU_CE_ACTIVE;
367
368 nvgpu_mutex_release(&ce_app->app_mutex);
369
370 if (g->ops.ce2.init_prod_values != NULL) {
371 g->ops.ce2.init_prod_values(g);
372 }
373
374 nvgpu_log(g, gpu_dbg_cde_ctx, "ce: init finished");
375
376 return 0;
377}
378
379void gk20a_ce_destroy(struct gk20a *g)
380{
381 struct gk20a_ce_app *ce_app = &g->ce_app;
382 struct gk20a_gpu_ctx *ce_ctx, *ce_ctx_save;
383
384 if (!ce_app->initialised) {
385 return;
386 }
387
388 ce_app->app_state = NVGPU_CE_SUSPEND;
389 ce_app->initialised = false;
390
391 nvgpu_mutex_acquire(&ce_app->app_mutex);
392
393 nvgpu_list_for_each_entry_safe(ce_ctx, ce_ctx_save,
394 &ce_app->allocated_contexts, gk20a_gpu_ctx, list) {
395 gk20a_ce_delete_gpu_context(ce_ctx);
396 }
397
398 nvgpu_init_list_node(&ce_app->allocated_contexts);
399 ce_app->ctx_count = 0;
400 ce_app->next_ctx_id = 0;
401
402 nvgpu_mutex_release(&ce_app->app_mutex);
403
404 nvgpu_mutex_destroy(&ce_app->app_mutex);
405}
406
407void gk20a_ce_suspend(struct gk20a *g)
408{
409 struct gk20a_ce_app *ce_app = &g->ce_app;
410
411 if (!ce_app->initialised) {
412 return;
413 }
414
415 ce_app->app_state = NVGPU_CE_SUSPEND;
416
417 return;
418}
419
420/* CE app utility functions */
421u32 gk20a_ce_create_context(struct gk20a *g,
422 int runlist_id,
423 int timeslice,
424 int runlist_level)
425{
426 struct gk20a_gpu_ctx *ce_ctx;
427 struct gk20a_ce_app *ce_app = &g->ce_app;
428 struct nvgpu_setup_bind_args setup_bind_args;
429 u32 ctx_id = ~0;
430 int err = 0;
431
432 if (!ce_app->initialised || ce_app->app_state != NVGPU_CE_ACTIVE) {
433 return ctx_id;
434 }
435
436 ce_ctx = nvgpu_kzalloc(g, sizeof(*ce_ctx));
437 if (!ce_ctx) {
438 return ctx_id;
439 }
440
441 err = nvgpu_mutex_init(&ce_ctx->gpu_ctx_mutex);
442 if (err) {
443 nvgpu_kfree(g, ce_ctx);
444 return ctx_id;
445 }
446
447 ce_ctx->g = g;
448
449 ce_ctx->cmd_buf_read_queue_offset = 0;
450
451 ce_ctx->vm = g->mm.ce.vm;
452
453 /* allocate a tsg if needed */
454 ce_ctx->tsg = gk20a_tsg_open(g, nvgpu_current_pid(g));
455 if (!ce_ctx->tsg) {
456 nvgpu_err(g, "ce: gk20a tsg not available");
457 err = -ENOMEM;
458 goto end;
459 }
460
461 /* always kernel client needs privileged channel */
462 ce_ctx->ch = gk20a_open_new_channel(g, runlist_id, true,
463 nvgpu_current_pid(g), nvgpu_current_tid(g));
464 if (!ce_ctx->ch) {
465 nvgpu_err(g, "ce: gk20a channel not available");
466 err = -ENOMEM;
467 goto end;
468 }
469 ce_ctx->ch->timeout.enabled = false;
470
471 /* bind the channel to the vm */
472 err = g->ops.mm.vm_bind_channel(g->mm.ce.vm, ce_ctx->ch);
473 if (err) {
474 nvgpu_err(g, "ce: could not bind vm");
475 goto end;
476 }
477
478 err = gk20a_tsg_bind_channel(ce_ctx->tsg, ce_ctx->ch);
479 if (err) {
480 nvgpu_err(g, "ce: unable to bind to tsg");
481 goto end;
482 }
483
484 setup_bind_args.num_gpfifo_entries = 1024;
485 setup_bind_args.num_inflight_jobs = 0;
486 setup_bind_args.flags = 0;
487 /* allocate gpfifo (1024 should be more than enough) */
488 err = nvgpu_channel_setup_bind(ce_ctx->ch, &setup_bind_args);
489 if (err) {
490 nvgpu_err(g, "ce: unable to setup and bind channel");
491 goto end;
492 }
493
494 /* allocate command buffer from sysmem */
495 err = nvgpu_dma_alloc_map_sys(ce_ctx->vm,
496 NVGPU_CE_MAX_INFLIGHT_JOBS *
497 NVGPU_CE_MAX_COMMAND_BUFF_BYTES_PER_KICKOFF,
498 &ce_ctx->cmd_buf_mem);
499 if (err) {
500 nvgpu_err(g,
501 "ce: could not allocate command buffer for CE context");
502 goto end;
503 }
504
505 memset(ce_ctx->cmd_buf_mem.cpu_va, 0x00, ce_ctx->cmd_buf_mem.size);
506
507 /* -1 means default channel timeslice value */
508 if (timeslice != -1) {
509 err = gk20a_fifo_tsg_set_timeslice(ce_ctx->tsg, timeslice);
510 if (err) {
511 nvgpu_err(g,
512 "ce: could not set the channel timeslice value for CE context");
513 goto end;
514 }
515 }
516
517 /* -1 means default channel runlist level */
518 if (runlist_level != -1) {
519 err = gk20a_tsg_set_runlist_interleave(ce_ctx->tsg,
520 runlist_level);
521 if (err) {
522 nvgpu_err(g,
523 "ce: could not set the runlist interleave for CE context");
524 goto end;
525 }
526 }
527
528 nvgpu_mutex_acquire(&ce_app->app_mutex);
529 ctx_id = ce_ctx->ctx_id = ce_app->next_ctx_id;
530 nvgpu_list_add(&ce_ctx->list, &ce_app->allocated_contexts);
531 ++ce_app->next_ctx_id;
532 ++ce_app->ctx_count;
533 nvgpu_mutex_release(&ce_app->app_mutex);
534
535 ce_ctx->gpu_ctx_state = NVGPU_CE_GPU_CTX_ALLOCATED;
536
537end:
538 if (ctx_id == (u32)~0) {
539 nvgpu_mutex_acquire(&ce_app->app_mutex);
540 gk20a_ce_delete_gpu_context(ce_ctx);
541 nvgpu_mutex_release(&ce_app->app_mutex);
542 }
543 return ctx_id;
544
545}
546
547void gk20a_ce_delete_context(struct gk20a *g,
548 u32 ce_ctx_id)
549{
550 gk20a_ce_delete_context_priv(g, ce_ctx_id);
551}
552
553void gk20a_ce_delete_context_priv(struct gk20a *g,
554 u32 ce_ctx_id)
555{
556 struct gk20a_ce_app *ce_app = &g->ce_app;
557 struct gk20a_gpu_ctx *ce_ctx, *ce_ctx_save;
558
559 if (!ce_app->initialised || ce_app->app_state != NVGPU_CE_ACTIVE) {
560 return;
561 }
562
563 nvgpu_mutex_acquire(&ce_app->app_mutex);
564
565 nvgpu_list_for_each_entry_safe(ce_ctx, ce_ctx_save,
566 &ce_app->allocated_contexts, gk20a_gpu_ctx, list) {
567 if (ce_ctx->ctx_id == ce_ctx_id) {
568 gk20a_ce_delete_gpu_context(ce_ctx);
569 --ce_app->ctx_count;
570 break;
571 }
572 }
573
574 nvgpu_mutex_release(&ce_app->app_mutex);
575 return;
576}
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-31 02:19:50 -0400