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_client *client,
33 struct nvkm_object *object, void *data, u32 size)
36 struct nvif_ioctl_nop_v0 v0;
40 nvif_ioctl(object, "nop size %d\n", size);
41 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
42 nvif_ioctl(object, "nop vers %lld\n", args->v0.version);
43 args->v0.version = NVIF_VERSION_LATEST;
50 nvkm_ioctl_sclass(struct nvkm_client *client,
51 struct nvkm_object *object, void *data, u32 size)
54 struct nvif_ioctl_sclass_v0 v0;
56 struct nvkm_oclass oclass;
57 int ret = -ENOSYS, i = 0;
59 nvif_ioctl(object, "sclass size %d\n", size);
60 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
61 nvif_ioctl(object, "sclass vers %d count %d\n",
62 args->v0.version, args->v0.count);
63 if (size != args->v0.count * sizeof(args->v0.oclass[0]))
66 while (object->func->sclass &&
67 object->func->sclass(object, i, &oclass) >= 0) {
68 if (i < args->v0.count) {
69 args->v0.oclass[i].oclass = oclass.base.oclass;
70 args->v0.oclass[i].minver = oclass.base.minver;
71 args->v0.oclass[i].maxver = oclass.base.maxver;
83 nvkm_ioctl_new(struct nvkm_client *client,
84 struct nvkm_object *parent, void *data, u32 size)
87 struct nvif_ioctl_new_v0 v0;
89 struct nvkm_object *object = NULL;
90 struct nvkm_oclass oclass;
91 int ret = -ENOSYS, i = 0;
93 nvif_ioctl(parent, "new size %d\n", size);
94 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
95 nvif_ioctl(parent, "new vers %d handle %08x class %08x "
96 "route %02x token %llx object %016llx\n",
97 args->v0.version, args->v0.handle, args->v0.oclass,
98 args->v0.route, args->v0.token, args->v0.object);
102 if (!parent->func->sclass) {
103 nvif_ioctl(parent, "cannot have children\n");
108 memset(&oclass, 0x00, sizeof(oclass));
109 oclass.handle = args->v0.handle;
110 oclass.route = args->v0.route;
111 oclass.token = args->v0.token;
112 oclass.object = args->v0.object;
113 oclass.client = client;
114 oclass.parent = parent;
115 ret = parent->func->sclass(parent, i++, &oclass);
118 } while (oclass.base.oclass != args->v0.oclass);
121 oclass.engine = nvkm_engine_ref(oclass.engine);
122 if (IS_ERR(oclass.engine))
123 return PTR_ERR(oclass.engine);
126 ret = oclass.ctor(&oclass, data, size, &object);
127 nvkm_engine_unref(&oclass.engine);
129 ret = nvkm_object_init(object);
131 list_add(&object->head, &parent->tree);
132 if (nvkm_object_insert(object)) {
133 client->data = object;
138 nvkm_object_fini(object, false);
141 nvkm_object_del(&object);
146 nvkm_ioctl_del(struct nvkm_client *client,
147 struct nvkm_object *object, void *data, u32 size)
150 struct nvif_ioctl_del none;
154 nvif_ioctl(object, "delete size %d\n", size);
155 if (!(ret = nvif_unvers(ret, &data, &size, args->none))) {
156 nvif_ioctl(object, "delete\n");
157 nvkm_object_fini(object, false);
158 nvkm_object_del(&object);
161 return ret ? ret : 1;
165 nvkm_ioctl_mthd(struct nvkm_client *client,
166 struct nvkm_object *object, void *data, u32 size)
169 struct nvif_ioctl_mthd_v0 v0;
173 nvif_ioctl(object, "mthd size %d\n", size);
174 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
175 nvif_ioctl(object, "mthd vers %d mthd %02x\n",
176 args->v0.version, args->v0.method);
177 ret = nvkm_object_mthd(object, args->v0.method, data, size);
185 nvkm_ioctl_rd(struct nvkm_client *client,
186 struct nvkm_object *object, void *data, u32 size)
189 struct nvif_ioctl_rd_v0 v0;
198 nvif_ioctl(object, "rd size %d\n", size);
199 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
200 nvif_ioctl(object, "rd vers %d size %d addr %016llx\n",
201 args->v0.version, args->v0.size, args->v0.addr);
202 switch (args->v0.size) {
204 ret = nvkm_object_rd08(object, args->v0.addr, &v.b08);
205 args->v0.data = v.b08;
208 ret = nvkm_object_rd16(object, args->v0.addr, &v.b16);
209 args->v0.data = v.b16;
212 ret = nvkm_object_rd32(object, args->v0.addr, &v.b32);
213 args->v0.data = v.b32;
225 nvkm_ioctl_wr(struct nvkm_client *client,
226 struct nvkm_object *object, void *data, u32 size)
229 struct nvif_ioctl_wr_v0 v0;
233 nvif_ioctl(object, "wr size %d\n", size);
234 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
236 "wr vers %d size %d addr %016llx data %08x\n",
237 args->v0.version, args->v0.size, args->v0.addr,
242 switch (args->v0.size) {
243 case 1: return nvkm_object_wr08(object, args->v0.addr, args->v0.data);
244 case 2: return nvkm_object_wr16(object, args->v0.addr, args->v0.data);
245 case 4: return nvkm_object_wr32(object, args->v0.addr, args->v0.data);
254 nvkm_ioctl_map(struct nvkm_client *client,
255 struct nvkm_object *object, void *data, u32 size)
258 struct nvif_ioctl_map_v0 v0;
262 nvif_ioctl(object, "map size %d\n", size);
263 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
264 nvif_ioctl(object, "map vers %d\n", args->v0.version);
265 ret = nvkm_object_map(object, &args->v0.handle,
273 nvkm_ioctl_unmap(struct nvkm_client *client,
274 struct nvkm_object *object, void *data, u32 size)
277 struct nvif_ioctl_unmap none;
281 nvif_ioctl(object, "unmap size %d\n", size);
282 if (!(ret = nvif_unvers(ret, &data, &size, args->none))) {
283 nvif_ioctl(object, "unmap\n");
290 nvkm_ioctl_ntfy_new(struct nvkm_client *client,
291 struct nvkm_object *object, void *data, u32 size)
294 struct nvif_ioctl_ntfy_new_v0 v0;
296 struct nvkm_event *event;
299 nvif_ioctl(object, "ntfy new size %d\n", size);
300 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
301 nvif_ioctl(object, "ntfy new vers %d event %02x\n",
302 args->v0.version, args->v0.event);
303 ret = nvkm_object_ntfy(object, args->v0.event, &event);
305 ret = nvkm_client_notify_new(object, event, data, size);
307 args->v0.index = ret;
317 nvkm_ioctl_ntfy_del(struct nvkm_client *client,
318 struct nvkm_object *object, void *data, u32 size)
321 struct nvif_ioctl_ntfy_del_v0 v0;
325 nvif_ioctl(object, "ntfy del size %d\n", size);
326 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
327 nvif_ioctl(object, "ntfy del vers %d index %d\n",
328 args->v0.version, args->v0.index);
329 ret = nvkm_client_notify_del(client, args->v0.index);
336 nvkm_ioctl_ntfy_get(struct nvkm_client *client,
337 struct nvkm_object *object, void *data, u32 size)
340 struct nvif_ioctl_ntfy_get_v0 v0;
344 nvif_ioctl(object, "ntfy get size %d\n", size);
345 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
346 nvif_ioctl(object, "ntfy get vers %d index %d\n",
347 args->v0.version, args->v0.index);
348 ret = nvkm_client_notify_get(client, args->v0.index);
355 nvkm_ioctl_ntfy_put(struct nvkm_client *client,
356 struct nvkm_object *object, void *data, u32 size)
359 struct nvif_ioctl_ntfy_put_v0 v0;
363 nvif_ioctl(object, "ntfy put size %d\n", size);
364 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
365 nvif_ioctl(object, "ntfy put vers %d index %d\n",
366 args->v0.version, args->v0.index);
367 ret = nvkm_client_notify_put(client, args->v0.index);
375 int (*func)(struct nvkm_client *, struct nvkm_object *, void *, u32);
378 { 0x00, nvkm_ioctl_nop },
379 { 0x00, nvkm_ioctl_sclass },
380 { 0x00, nvkm_ioctl_new },
381 { 0x00, nvkm_ioctl_del },
382 { 0x00, nvkm_ioctl_mthd },
383 { 0x00, nvkm_ioctl_rd },
384 { 0x00, nvkm_ioctl_wr },
385 { 0x00, nvkm_ioctl_map },
386 { 0x00, nvkm_ioctl_unmap },
387 { 0x00, nvkm_ioctl_ntfy_new },
388 { 0x00, nvkm_ioctl_ntfy_del },
389 { 0x00, nvkm_ioctl_ntfy_get },
390 { 0x00, nvkm_ioctl_ntfy_put },
394 nvkm_ioctl_path(struct nvkm_client *client, u64 handle, u32 type,
395 void *data, u32 size, u8 owner, u8 *route, u64 *token)
397 struct nvkm_object *object;
400 object = nvkm_object_search(client, handle, NULL);
401 if (IS_ERR(object)) {
402 nvif_ioctl(&client->object, "object not found\n");
403 return PTR_ERR(object);
406 if (owner != NVIF_IOCTL_V0_OWNER_ANY && owner != object->route) {
407 nvif_ioctl(&client->object, "route != owner\n");
410 *route = object->route;
411 *token = object->token;
413 if (ret = -EINVAL, type < ARRAY_SIZE(nvkm_ioctl_v0)) {
414 if (nvkm_ioctl_v0[type].version == 0)
415 ret = nvkm_ioctl_v0[type].func(client, object, data, size);
422 nvkm_ioctl(struct nvkm_client *client, bool supervisor,
423 void *data, u32 size, void **hack)
425 struct nvkm_object *object = &client->object;
427 struct nvif_ioctl_v0 v0;
431 client->super = supervisor;
432 nvif_ioctl(object, "size %d\n", size);
434 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
436 "vers %d type %02x object %016llx owner %02x\n",
437 args->v0.version, args->v0.type, args->v0.object,
439 ret = nvkm_ioctl_path(client, args->v0.object, args->v0.type,
440 data, size, args->v0.owner,
441 &args->v0.route, &args->v0.token);
445 nvif_ioctl(object, "return %d\n", ret);
447 *hack = client->data;