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>
28 #include <nvif/unpack.h>
29 #include <nvif/ioctl.h>
32 nvkm_ioctl_nop(struct nvkm_object *object, void *data, u32 size)
35 struct nvif_ioctl_nop_v0 v0;
39 nvif_ioctl(object, "nop size %d\n", size);
40 if (nvif_unpack(args->v0, 0, 0, false)) {
41 nvif_ioctl(object, "nop vers %lld\n", args->v0.version);
42 args->v0.version = NVIF_VERSION_LATEST;
49 nvkm_ioctl_sclass(struct nvkm_object *object, void *data, u32 size)
52 struct nvif_ioctl_sclass_v0 v0;
54 struct nvkm_oclass oclass;
57 nvif_ioctl(object, "sclass size %d\n", size);
58 if (nvif_unpack(args->v0, 0, 0, true)) {
59 nvif_ioctl(object, "sclass vers %d count %d\n",
60 args->v0.version, args->v0.count);
61 if (size != args->v0.count * sizeof(args->v0.oclass[0]))
64 while (object->func->sclass &&
65 object->func->sclass(object, i, &oclass) >= 0) {
66 if (i < args->v0.count) {
67 args->v0.oclass[i].oclass = oclass.base.oclass;
68 args->v0.oclass[i].minver = oclass.base.minver;
69 args->v0.oclass[i].maxver = oclass.base.maxver;
81 nvkm_ioctl_new(struct nvkm_object *parent, void *data, u32 size)
84 struct nvif_ioctl_new_v0 v0;
86 struct nvkm_client *client = parent->client;
87 struct nvkm_object *object = NULL;
88 struct nvkm_oclass oclass;
91 nvif_ioctl(parent, "new size %d\n", size);
92 if (nvif_unpack(args->v0, 0, 0, true)) {
93 nvif_ioctl(parent, "new vers %d handle %08x class %08x "
94 "route %02x token %llx object %016llx\n",
95 args->v0.version, args->v0.handle, args->v0.oclass,
96 args->v0.route, args->v0.token, args->v0.object);
100 if (!parent->func->sclass) {
101 nvif_ioctl(parent, "cannot have children\n");
106 memset(&oclass, 0x00, sizeof(oclass));
107 oclass.client = client;
108 oclass.handle = args->v0.handle;
109 oclass.object = args->v0.object;
110 oclass.parent = parent;
111 ret = parent->func->sclass(parent, i++, &oclass);
114 } while (oclass.base.oclass != args->v0.oclass);
117 oclass.engine = nvkm_engine_ref(oclass.engine);
118 if (IS_ERR(oclass.engine))
119 return PTR_ERR(oclass.engine);
122 ret = oclass.ctor(&oclass, data, size, &object);
123 nvkm_engine_unref(&oclass.engine);
125 ret = nvkm_object_init(object);
127 list_add(&object->head, &parent->tree);
128 object->route = args->v0.route;
129 object->token = args->v0.token;
130 object->object = args->v0.object;
131 if (nvkm_client_insert(client, object)) {
132 client->data = object;
137 nvkm_object_fini(object, false);
140 nvkm_object_del(&object);
145 nvkm_ioctl_del(struct nvkm_object *object, void *data, u32 size)
148 struct nvif_ioctl_del none;
152 nvif_ioctl(object, "delete size %d\n", size);
153 if (nvif_unvers(args->none)) {
154 nvif_ioctl(object, "delete\n");
155 nvkm_object_fini(object, false);
156 nvkm_object_del(&object);
163 nvkm_ioctl_mthd(struct nvkm_object *object, void *data, u32 size)
166 struct nvif_ioctl_mthd_v0 v0;
170 nvif_ioctl(object, "mthd size %d\n", size);
171 if (nvif_unpack(args->v0, 0, 0, true)) {
172 nvif_ioctl(object, "mthd vers %d mthd %02x\n",
173 args->v0.version, args->v0.method);
174 ret = nvkm_object_mthd(object, args->v0.method, data, size);
182 nvkm_ioctl_rd(struct nvkm_object *object, void *data, u32 size)
185 struct nvif_ioctl_rd_v0 v0;
194 nvif_ioctl(object, "rd size %d\n", size);
195 if (nvif_unpack(args->v0, 0, 0, false)) {
196 nvif_ioctl(object, "rd vers %d size %d addr %016llx\n",
197 args->v0.version, args->v0.size, args->v0.addr);
198 switch (args->v0.size) {
200 ret = nvkm_object_rd08(object, args->v0.addr, &v.b08);
201 args->v0.data = v.b08;
204 ret = nvkm_object_rd16(object, args->v0.addr, &v.b16);
205 args->v0.data = v.b16;
208 ret = nvkm_object_rd32(object, args->v0.addr, &v.b32);
209 args->v0.data = v.b32;
221 nvkm_ioctl_wr(struct nvkm_object *object, void *data, u32 size)
224 struct nvif_ioctl_wr_v0 v0;
228 nvif_ioctl(object, "wr size %d\n", size);
229 if (nvif_unpack(args->v0, 0, 0, false)) {
231 "wr vers %d size %d addr %016llx data %08x\n",
232 args->v0.version, args->v0.size, args->v0.addr,
237 switch (args->v0.size) {
238 case 1: return nvkm_object_wr08(object, args->v0.addr, args->v0.data);
239 case 2: return nvkm_object_wr16(object, args->v0.addr, args->v0.data);
240 case 4: return nvkm_object_wr32(object, args->v0.addr, args->v0.data);
249 nvkm_ioctl_map(struct nvkm_object *object, void *data, u32 size)
252 struct nvif_ioctl_map_v0 v0;
256 nvif_ioctl(object, "map size %d\n", size);
257 if (nvif_unpack(args->v0, 0, 0, false)) {
258 nvif_ioctl(object, "map vers %d\n", args->v0.version);
259 ret = nvkm_object_map(object, &args->v0.handle,
267 nvkm_ioctl_unmap(struct nvkm_object *object, void *data, u32 size)
270 struct nvif_ioctl_unmap none;
274 nvif_ioctl(object, "unmap size %d\n", size);
275 if (nvif_unvers(args->none)) {
276 nvif_ioctl(object, "unmap\n");
283 nvkm_ioctl_ntfy_new(struct nvkm_object *object, void *data, u32 size)
286 struct nvif_ioctl_ntfy_new_v0 v0;
288 struct nvkm_event *event;
291 nvif_ioctl(object, "ntfy new size %d\n", size);
292 if (nvif_unpack(args->v0, 0, 0, true)) {
293 nvif_ioctl(object, "ntfy new vers %d event %02x\n",
294 args->v0.version, args->v0.event);
295 ret = nvkm_object_ntfy(object, args->v0.event, &event);
297 ret = nvkm_client_notify_new(object, event, data, size);
299 args->v0.index = ret;
309 nvkm_ioctl_ntfy_del(struct nvkm_object *object, void *data, u32 size)
311 struct nvkm_client *client = object->client;
313 struct nvif_ioctl_ntfy_del_v0 v0;
317 nvif_ioctl(object, "ntfy del size %d\n", size);
318 if (nvif_unpack(args->v0, 0, 0, false)) {
319 nvif_ioctl(object, "ntfy del vers %d index %d\n",
320 args->v0.version, args->v0.index);
321 ret = nvkm_client_notify_del(client, args->v0.index);
328 nvkm_ioctl_ntfy_get(struct nvkm_object *object, void *data, u32 size)
330 struct nvkm_client *client = object->client;
332 struct nvif_ioctl_ntfy_get_v0 v0;
336 nvif_ioctl(object, "ntfy get size %d\n", size);
337 if (nvif_unpack(args->v0, 0, 0, false)) {
338 nvif_ioctl(object, "ntfy get vers %d index %d\n",
339 args->v0.version, args->v0.index);
340 ret = nvkm_client_notify_get(client, args->v0.index);
347 nvkm_ioctl_ntfy_put(struct nvkm_object *object, void *data, u32 size)
349 struct nvkm_client *client = object->client;
351 struct nvif_ioctl_ntfy_put_v0 v0;
355 nvif_ioctl(object, "ntfy put size %d\n", size);
356 if (nvif_unpack(args->v0, 0, 0, false)) {
357 nvif_ioctl(object, "ntfy put vers %d index %d\n",
358 args->v0.version, args->v0.index);
359 ret = nvkm_client_notify_put(client, args->v0.index);
367 int (*func)(struct nvkm_object *, void *, u32);
370 { 0x00, nvkm_ioctl_nop },
371 { 0x00, nvkm_ioctl_sclass },
372 { 0x00, nvkm_ioctl_new },
373 { 0x00, nvkm_ioctl_del },
374 { 0x00, nvkm_ioctl_mthd },
375 { 0x00, nvkm_ioctl_rd },
376 { 0x00, nvkm_ioctl_wr },
377 { 0x00, nvkm_ioctl_map },
378 { 0x00, nvkm_ioctl_unmap },
379 { 0x00, nvkm_ioctl_ntfy_new },
380 { 0x00, nvkm_ioctl_ntfy_del },
381 { 0x00, nvkm_ioctl_ntfy_get },
382 { 0x00, nvkm_ioctl_ntfy_put },
386 nvkm_ioctl_path(struct nvkm_client *client, u64 handle, u32 type,
387 void *data, u32 size, u8 owner, u8 *route, u64 *token)
389 struct nvkm_object *object;
393 object = nvkm_client_search(client, handle);
395 object = &client->object;
396 if (unlikely(!object)) {
397 nvif_ioctl(&client->object, "object not found\n");
401 if (owner != NVIF_IOCTL_V0_OWNER_ANY && owner != object->route) {
402 nvif_ioctl(&client->object, "route != owner\n");
405 *route = object->route;
406 *token = object->token;
408 if (ret = -EINVAL, type < ARRAY_SIZE(nvkm_ioctl_v0)) {
409 if (nvkm_ioctl_v0[type].version == 0)
410 ret = nvkm_ioctl_v0[type].func(object, data, size);
417 nvkm_ioctl(struct nvkm_client *client, bool supervisor,
418 void *data, u32 size, void **hack)
420 struct nvkm_object *object = &client->object;
422 struct nvif_ioctl_v0 v0;
426 client->super = supervisor;
427 nvif_ioctl(object, "size %d\n", size);
429 if (nvif_unpack(args->v0, 0, 0, true)) {
431 "vers %d type %02x object %016llx owner %02x\n",
432 args->v0.version, args->v0.type, args->v0.object,
434 ret = nvkm_ioctl_path(client, args->v0.object, args->v0.type,
435 data, size, args->v0.owner,
436 &args->v0.route, &args->v0.token);
439 nvif_ioctl(object, "return %d\n", ret);
441 *hack = client->data;
445 client->super = false;