2 * Copyright 2014 Red Hat Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
22 * Authors: Ben Skeggs <bskeggs@redhat.com>
24 #include <core/ioctl.h>
25 #include <core/client.h>
26 #include <core/engine.h>
27 #include <core/handle.h>
28 #include <core/namedb.h>
30 #include <nvif/unpack.h>
31 #include <nvif/ioctl.h>
34 nvkm_ioctl_nop(struct nvkm_handle *handle, void *data, u32 size)
36 struct nvkm_object *object = handle->object;
38 struct nvif_ioctl_nop none;
42 nv_ioctl(object, "nop size %d\n", size);
43 if (nvif_unvers(args->none)) {
44 nv_ioctl(object, "nop\n");
51 nvkm_ioctl_sclass(struct nvkm_handle *handle, void *data, u32 size)
53 struct nvkm_object *object = handle->object;
55 struct nvif_ioctl_sclass_v0 v0;
59 if (!nv_iclass(object, NV_PARENT_CLASS)) {
60 nv_debug(object, "cannot have children (sclass)\n");
64 nv_ioctl(object, "sclass size %d\n", size);
65 if (nvif_unpack(args->v0, 0, 0, true)) {
66 nv_ioctl(object, "sclass vers %d count %d\n",
67 args->v0.version, args->v0.count);
68 if (size == args->v0.count * sizeof(args->v0.oclass[0])) {
69 ret = nvkm_parent_lclass(object, args->v0.oclass,
84 nvkm_ioctl_new(struct nvkm_handle *handle, void *data, u32 size)
87 struct nvif_ioctl_new_v0 v0;
89 struct nvkm_client *client = nvkm_client(handle->object);
90 struct nvkm_object *engctx = NULL;
91 struct nvkm_object *object = NULL;
92 struct nvkm_parent *parent;
93 struct nvkm_object *engine;
94 struct nvkm_oclass *oclass;
98 nv_ioctl(client, "new size %d\n", size);
99 if (nvif_unpack(args->v0, 0, 0, true)) {
100 _handle = args->v0.handle;
101 _oclass = args->v0.oclass;
105 nv_ioctl(client, "new vers %d handle %08x class %08x "
106 "route %02x token %llx\n",
107 args->v0.version, _handle, _oclass,
108 args->v0.route, args->v0.token);
110 if (!nv_iclass(handle->object, NV_PARENT_CLASS)) {
111 nv_debug(handle->object, "cannot have children (ctor)\n");
116 parent = nv_parent(handle->object);
118 /* check that parent supports the requested subclass */
119 ret = nvkm_parent_sclass(&parent->object, _oclass, &engine, &oclass);
121 nv_debug(parent, "illegal class 0x%04x\n", _oclass);
125 /* make sure engine init has been completed *before* any objects
126 * it controls are created - the constructors may depend on
127 * state calculated at init (ie. default context construction)
130 ret = nvkm_object_inc(engine);
135 /* if engine requires it, create a context object to insert
136 * between the parent and its children (eg. PGRAPH context)
138 if (engine && nv_engine(engine)->cclass) {
139 ret = nvkm_object_ctor(&parent->object, engine,
140 nv_engine(engine)->cclass,
141 data, size, &engctx);
145 nvkm_object_ref(&parent->object, &engctx);
148 /* finally, create new object and bind it to its handle */
149 ret = nvkm_object_ctor(engctx, engine, oclass, data, size, &object);
150 client->data = object;
154 ret = nvkm_object_inc(object);
158 ret = nvkm_handle_create(&parent->object, handle->name,
159 _handle, object, &handle);
163 ret = nvkm_handle_init(handle);
164 handle->route = args->v0.route;
165 handle->token = args->v0.token;
167 nvkm_handle_destroy(handle);
170 nvkm_object_dec(object, false);
172 nvkm_object_ref(NULL, &object);
174 nvkm_object_ref(NULL, &engctx);
177 nvkm_object_dec(engine, false);
183 nvkm_ioctl_del(struct nvkm_handle *handle, void *data, u32 size)
185 struct nvkm_object *object = handle->object;
187 struct nvif_ioctl_del none;
191 nv_ioctl(object, "delete size %d\n", size);
192 if (nvif_unvers(args->none)) {
193 nv_ioctl(object, "delete\n");
194 nvkm_handle_fini(handle, false);
195 nvkm_handle_destroy(handle);
202 nvkm_ioctl_mthd(struct nvkm_handle *handle, void *data, u32 size)
204 struct nvkm_object *object = handle->object;
205 struct nvkm_ofuncs *ofuncs = object->oclass->ofuncs;
207 struct nvif_ioctl_mthd_v0 v0;
211 nv_ioctl(object, "mthd size %d\n", size);
212 if (nvif_unpack(args->v0, 0, 0, true)) {
213 nv_ioctl(object, "mthd vers %d mthd %02x\n",
214 args->v0.version, args->v0.method);
215 if (ret = -ENODEV, ofuncs->mthd)
216 ret = ofuncs->mthd(object, args->v0.method, data, size);
224 nvkm_ioctl_rd(struct nvkm_handle *handle, void *data, u32 size)
226 struct nvkm_object *object = handle->object;
227 struct nvkm_ofuncs *ofuncs = object->oclass->ofuncs;
229 struct nvif_ioctl_rd_v0 v0;
233 nv_ioctl(object, "rd size %d\n", size);
234 if (nvif_unpack(args->v0, 0, 0, false)) {
235 nv_ioctl(object, "rd vers %d size %d addr %016llx\n",
236 args->v0.version, args->v0.size, args->v0.addr);
237 switch (args->v0.size) {
239 if (ret = -ENODEV, ofuncs->rd08) {
240 args->v0.data = nv_ro08(object, args->v0.addr);
245 if (ret = -ENODEV, ofuncs->rd16) {
246 args->v0.data = nv_ro16(object, args->v0.addr);
251 if (ret = -ENODEV, ofuncs->rd32) {
252 args->v0.data = nv_ro32(object, args->v0.addr);
266 nvkm_ioctl_wr(struct nvkm_handle *handle, void *data, u32 size)
268 struct nvkm_object *object = handle->object;
269 struct nvkm_ofuncs *ofuncs = object->oclass->ofuncs;
271 struct nvif_ioctl_wr_v0 v0;
275 nv_ioctl(object, "wr size %d\n", size);
276 if (nvif_unpack(args->v0, 0, 0, false)) {
277 nv_ioctl(object, "wr vers %d size %d addr %016llx data %08x\n",
278 args->v0.version, args->v0.size, args->v0.addr,
280 switch (args->v0.size) {
282 if (ret = -ENODEV, ofuncs->wr08) {
283 nv_wo08(object, args->v0.addr, args->v0.data);
288 if (ret = -ENODEV, ofuncs->wr16) {
289 nv_wo16(object, args->v0.addr, args->v0.data);
294 if (ret = -ENODEV, ofuncs->wr32) {
295 nv_wo32(object, args->v0.addr, args->v0.data);
309 nvkm_ioctl_map(struct nvkm_handle *handle, void *data, u32 size)
311 struct nvkm_object *object = handle->object;
312 struct nvkm_ofuncs *ofuncs = object->oclass->ofuncs;
314 struct nvif_ioctl_map_v0 v0;
318 nv_ioctl(object, "map size %d\n", size);
319 if (nvif_unpack(args->v0, 0, 0, false)) {
320 nv_ioctl(object, "map vers %d\n", args->v0.version);
321 if (ret = -ENODEV, ofuncs->map) {
322 ret = ofuncs->map(object, &args->v0.handle,
331 nvkm_ioctl_unmap(struct nvkm_handle *handle, void *data, u32 size)
333 struct nvkm_object *object = handle->object;
335 struct nvif_ioctl_unmap none;
339 nv_ioctl(object, "unmap size %d\n", size);
340 if (nvif_unvers(args->none)) {
341 nv_ioctl(object, "unmap\n");
348 nvkm_ioctl_ntfy_new(struct nvkm_handle *handle, void *data, u32 size)
350 struct nvkm_object *object = handle->object;
351 struct nvkm_ofuncs *ofuncs = object->oclass->ofuncs;
353 struct nvif_ioctl_ntfy_new_v0 v0;
355 struct nvkm_event *event;
358 nv_ioctl(object, "ntfy new size %d\n", size);
359 if (nvif_unpack(args->v0, 0, 0, true)) {
360 nv_ioctl(object, "ntfy new vers %d event %02x\n",
361 args->v0.version, args->v0.event);
362 if (ret = -ENODEV, ofuncs->ntfy)
363 ret = ofuncs->ntfy(object, args->v0.event, &event);
365 ret = nvkm_client_notify_new(object, event, data, size);
367 args->v0.index = ret;
377 nvkm_ioctl_ntfy_del(struct nvkm_handle *handle, void *data, u32 size)
379 struct nvkm_client *client = nvkm_client(handle->object);
380 struct nvkm_object *object = handle->object;
382 struct nvif_ioctl_ntfy_del_v0 v0;
386 nv_ioctl(object, "ntfy del size %d\n", size);
387 if (nvif_unpack(args->v0, 0, 0, false)) {
388 nv_ioctl(object, "ntfy del vers %d index %d\n",
389 args->v0.version, args->v0.index);
390 ret = nvkm_client_notify_del(client, args->v0.index);
397 nvkm_ioctl_ntfy_get(struct nvkm_handle *handle, void *data, u32 size)
399 struct nvkm_client *client = nvkm_client(handle->object);
400 struct nvkm_object *object = handle->object;
402 struct nvif_ioctl_ntfy_get_v0 v0;
406 nv_ioctl(object, "ntfy get size %d\n", size);
407 if (nvif_unpack(args->v0, 0, 0, false)) {
408 nv_ioctl(object, "ntfy get vers %d index %d\n",
409 args->v0.version, args->v0.index);
410 ret = nvkm_client_notify_get(client, args->v0.index);
417 nvkm_ioctl_ntfy_put(struct nvkm_handle *handle, void *data, u32 size)
419 struct nvkm_client *client = nvkm_client(handle->object);
420 struct nvkm_object *object = handle->object;
422 struct nvif_ioctl_ntfy_put_v0 v0;
426 nv_ioctl(object, "ntfy put size %d\n", size);
427 if (nvif_unpack(args->v0, 0, 0, false)) {
428 nv_ioctl(object, "ntfy put vers %d index %d\n",
429 args->v0.version, args->v0.index);
430 ret = nvkm_client_notify_put(client, args->v0.index);
438 int (*func)(struct nvkm_handle *, void *, u32);
441 { 0x00, nvkm_ioctl_nop },
442 { 0x00, nvkm_ioctl_sclass },
443 { 0x00, nvkm_ioctl_new },
444 { 0x00, nvkm_ioctl_del },
445 { 0x00, nvkm_ioctl_mthd },
446 { 0x00, nvkm_ioctl_rd },
447 { 0x00, nvkm_ioctl_wr },
448 { 0x00, nvkm_ioctl_map },
449 { 0x00, nvkm_ioctl_unmap },
450 { 0x00, nvkm_ioctl_ntfy_new },
451 { 0x00, nvkm_ioctl_ntfy_del },
452 { 0x00, nvkm_ioctl_ntfy_get },
453 { 0x00, nvkm_ioctl_ntfy_put },
457 nvkm_ioctl_path(struct nvkm_handle *parent, u32 type, u32 nr, u32 *path,
458 void *data, u32 size, u8 owner, u8 *route, u64 *token)
460 struct nvkm_handle *handle = parent;
461 struct nvkm_namedb *namedb;
462 struct nvkm_object *object;
465 while ((object = parent->object), nr--) {
466 nv_ioctl(object, "path 0x%08x\n", path[nr]);
467 if (!nv_iclass(object, NV_PARENT_CLASS)) {
468 nv_debug(object, "cannot have children (path)\n");
472 if (!(namedb = (void *)nv_pclass(object, NV_NAMEDB_CLASS)) ||
473 !(handle = nvkm_namedb_get(namedb, path[nr]))) {
474 nv_debug(object, "handle 0x%08x not found\n", path[nr]);
477 nvkm_namedb_put(handle);
481 if (owner != NVIF_IOCTL_V0_OWNER_ANY && owner != handle->route) {
482 nv_ioctl(object, "object route != owner\n");
485 *route = handle->route;
486 *token = handle->token;
488 if (ret = -EINVAL, type < ARRAY_SIZE(nvkm_ioctl_v0)) {
489 if (nvkm_ioctl_v0[type].version == 0)
490 ret = nvkm_ioctl_v0[type].func(handle, data, size);
497 nvkm_ioctl(struct nvkm_client *client, bool supervisor,
498 void *data, u32 size, void **hack)
501 struct nvif_ioctl_v0 v0;
505 client->super = supervisor;
506 nv_ioctl(client, "size %d\n", size);
508 if (nvif_unpack(args->v0, 0, 0, true)) {
509 nv_ioctl(client, "vers %d type %02x path %d owner %02x\n",
510 args->v0.version, args->v0.type, args->v0.path_nr,
512 ret = nvkm_ioctl_path(client->root, args->v0.type,
513 args->v0.path_nr, args->v0.path,
514 data, size, args->v0.owner,
515 &args->v0.route, &args->v0.token);
518 nv_ioctl(client, "return %d\n", ret);
520 *hack = client->data;
524 client->super = false;