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1 /*
2  * Copyright 2012 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  * Authors: Ben Skeggs
23  */
24 
25 #include <core/object.h>
26 #include <core/client.h>
27 #include <core/handle.h>
28 #include <core/option.h>
29 
30 #include <engine/device.h>
31 
32 static void
nouveau_client_dtor(struct nouveau_object * object)33 nouveau_client_dtor(struct nouveau_object *object)
34 {
35 	struct nouveau_client *client = (void *)object;
36 	nouveau_object_ref(NULL, &client->device);
37 	nouveau_handle_destroy(client->root);
38 	nouveau_namedb_destroy(&client->base);
39 }
40 
41 static struct nouveau_oclass
42 nouveau_client_oclass = {
43 	.ofuncs = &(struct nouveau_ofuncs) {
44 		.dtor = nouveau_client_dtor,
45 	},
46 };
47 
48 int
nouveau_client_create_(const char * name,u64 devname,const char * cfg,const char * dbg,int length,void ** pobject)49 nouveau_client_create_(const char *name, u64 devname, const char *cfg,
50 		       const char *dbg, int length, void **pobject)
51 {
52 	struct nouveau_object *device;
53 	struct nouveau_client *client;
54 	int ret;
55 
56 	device = (void *)nouveau_device_find(devname);
57 	if (!device)
58 		return -ENODEV;
59 
60 	ret = nouveau_namedb_create_(NULL, NULL, &nouveau_client_oclass,
61 				     NV_CLIENT_CLASS, NULL,
62 				     (1ULL << NVDEV_ENGINE_DEVICE),
63 				     length, pobject);
64 	client = *pobject;
65 	if (ret)
66 		return ret;
67 
68 	ret = nouveau_handle_create(nv_object(client), ~0, ~0,
69 				    nv_object(client), &client->root);
70 	if (ret)
71 		return ret;
72 
73 	/* prevent init/fini being called, os in in charge of this */
74 	atomic_set(&nv_object(client)->usecount, 2);
75 
76 	nouveau_object_ref(device, &client->device);
77 	snprintf(client->name, sizeof(client->name), "%s", name);
78 	client->debug = nouveau_dbgopt(dbg, "CLIENT");
79 	return 0;
80 }
81 
82 int
nouveau_client_init(struct nouveau_client * client)83 nouveau_client_init(struct nouveau_client *client)
84 {
85 	int ret;
86 	nv_debug(client, "init running\n");
87 	ret = nouveau_handle_init(client->root);
88 	nv_debug(client, "init completed with %d\n", ret);
89 	return ret;
90 }
91 
92 int
nouveau_client_fini(struct nouveau_client * client,bool suspend)93 nouveau_client_fini(struct nouveau_client *client, bool suspend)
94 {
95 	const char *name[2] = { "fini", "suspend" };
96 	int ret;
97 
98 	nv_debug(client, "%s running\n", name[suspend]);
99 	ret = nouveau_handle_fini(client->root, suspend);
100 	nv_debug(client, "%s completed with %d\n", name[suspend], ret);
101 	return ret;
102 }
103 
104 const char *
nouveau_client_name(void * obj)105 nouveau_client_name(void *obj)
106 {
107 	const char *client_name = "unknown";
108 	struct nouveau_client *client = nouveau_client(obj);
109 	if (client)
110 		client_name = client->name;
111 	return client_name;
112 }
113