summaryrefslogtreecommitdiff
path: root/bsd-core/drm_sysctl.c
blob: 8c038bdd1089b874a5b16e3aeacb3096201669b1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
/*
 * $FreeBSD: src/sys/dev/drm/drm_sysctl.h,v 1.3 2003/04/25 01:18:46 anholt Exp $
 */

#ifdef __FreeBSD__

#include <sys/sysctl.h>

static int	   DRM(name_info)DRM_SYSCTL_HANDLER_ARGS;
static int	   DRM(vm_info)DRM_SYSCTL_HANDLER_ARGS;
static int	   DRM(clients_info)DRM_SYSCTL_HANDLER_ARGS;
static int	   DRM(bufs_info)DRM_SYSCTL_HANDLER_ARGS;

struct DRM(sysctl_list) {
	const char *name;
	int	   (*f) DRM_SYSCTL_HANDLER_ARGS;
} DRM(sysctl_list)[] = {
	{ "name",    DRM(name_info)    },
#ifdef DEBUG_MEMORY
	{ "mem",     DRM(mem_info)     },
#endif
	{ "vm",	     DRM(vm_info)      },
	{ "clients", DRM(clients_info) },
	{ "bufs",    DRM(bufs_info)    },
};
#define DRM_SYSCTL_ENTRIES (sizeof(DRM(sysctl_list))/sizeof(DRM(sysctl_list)[0]))

struct drm_sysctl_info {
	struct sysctl_ctx_list ctx;
	char		       name[2];
};

int DRM(sysctl_init)(drm_device_t *dev)
{
	struct drm_sysctl_info *info;
	struct sysctl_oid *oid;
	struct sysctl_oid *top, *drioid;
	int		  i;

	info = DRM(alloc)(sizeof *info, DRM_MEM_DRIVER);
	if ( !info )
		return 1;
	bzero(info, sizeof *info);
	dev->sysctl = info;

	/* Add the sysctl node for DRI if it doesn't already exist */
	drioid = SYSCTL_ADD_NODE( &info->ctx, &sysctl__hw_children, OID_AUTO, "dri", CTLFLAG_RW, NULL, "DRI Graphics");
	if (!drioid)
		return 1;

	/* Find the next free slot under hw.dri */
	i = 0;
	SLIST_FOREACH(oid, SYSCTL_CHILDREN(drioid), oid_link) {
		if (i <= oid->oid_arg2)
			i = oid->oid_arg2 + 1;
	}
	if (i>9)
		return 1;
	
	/* Add the hw.dri.x for our device */
	info->name[0] = '0' + i;
	info->name[1] = 0;
	top = SYSCTL_ADD_NODE( &info->ctx, SYSCTL_CHILDREN(drioid), OID_AUTO, info->name, CTLFLAG_RW, NULL, NULL);
	if (!top)
		return 1;
	
	for (i = 0; i < DRM_SYSCTL_ENTRIES; i++) {
		oid = sysctl_add_oid( &info->ctx, 
			SYSCTL_CHILDREN(top), 
			OID_AUTO, 
			DRM(sysctl_list)[i].name, 
			CTLTYPE_INT | CTLFLAG_RD, 
			dev, 
			0, 
			DRM(sysctl_list)[i].f, 
			"A", 
			NULL);
		if (!oid)
			return 1;
	}
	return 0;
}

int DRM(sysctl_cleanup)(drm_device_t *dev)
{
	int error;
	error = sysctl_ctx_free( &dev->sysctl->ctx );

	DRM(free)(dev->sysctl, sizeof *dev->sysctl, DRM_MEM_DRIVER);
	dev->sysctl = NULL;

	return error;
}

static int DRM(name_info)DRM_SYSCTL_HANDLER_ARGS
{
	drm_device_t *dev = arg1;
	char buf[128];
	int error;

	if (dev->unique) {
		DRM_SYSCTL_PRINT("%s 0x%x %s\n",
			       dev->name, dev2udev(dev->devnode), dev->unique);
	} else {
		DRM_SYSCTL_PRINT("%s 0x%x\n", dev->name, dev2udev(dev->devnode));
	}

	SYSCTL_OUT(req, "", 1);

	return 0;
}

static int DRM(_vm_info)DRM_SYSCTL_HANDLER_ARGS
{
	drm_device_t *dev = arg1;
	drm_local_map_t    *map;
	drm_map_list_entry_t    *listentry;
	const char   *types[] = { "FB", "REG", "SHM" };
	const char   *type;
	int	     i=0;
	char         buf[128];
	int          error;

	DRM_SYSCTL_PRINT("slot	 offset	      size type flags	 "
			 "address mtrr\n\n");
	error = SYSCTL_OUT(req, buf, strlen(buf));
	if (error) return error;

	if (dev->maplist != NULL) {
		TAILQ_FOREACH(listentry, dev->maplist, link) {
			map = listentry->map;
			if (map->type < 0 || map->type > 2) type = "??";
			else				    type = types[map->type];
			DRM_SYSCTL_PRINT("%4d 0x%08lx 0x%08lx %4.4s  0x%02x 0x%08lx ",
					 i,
					 map->offset,
					 map->size,
					 type,
					 map->flags,
					 (unsigned long)map->handle);
			if (map->mtrr < 0) {
				DRM_SYSCTL_PRINT("none\n");
			} else {
				DRM_SYSCTL_PRINT("%4d\n", map->mtrr);
			}
			i++;
		}
	}
	SYSCTL_OUT(req, "", 1);

	return 0;
}

static int DRM(vm_info)DRM_SYSCTL_HANDLER_ARGS
{
	drm_device_t *dev = arg1;
	int	     ret;

	DRM_LOCK;
	ret = DRM(_vm_info)(oidp, arg1, arg2, req);
	DRM_UNLOCK;

	return ret;
}


/* drm_bufs_info is called whenever a process reads
   hw.dri.0.bufs. */

static int DRM(_bufs_info) DRM_SYSCTL_HANDLER_ARGS
{
	drm_device_t	 *dev = arg1;
	drm_device_dma_t *dma = dev->dma;
	int		 i;
	char             buf[128];
	int              error;

	if (!dma)	return 0;
	DRM_SYSCTL_PRINT(" o     size count  free	 segs pages    kB\n\n");
	for (i = 0; i <= DRM_MAX_ORDER; i++) {
		if (dma->bufs[i].buf_count)
			DRM_SYSCTL_PRINT("%2d %8d %5d %5d %5d %5d %5d\n",
				       i,
				       dma->bufs[i].buf_size,
				       dma->bufs[i].buf_count,
				       atomic_read(&dma->bufs[i]
						   .freelist.count),
				       dma->bufs[i].seg_count,
				       dma->bufs[i].seg_count
				       *(1 << dma->bufs[i].page_order),
				       (dma->bufs[i].seg_count
					* (1 << dma->bufs[i].page_order))
				       * PAGE_SIZE / 1024);
	}
	DRM_SYSCTL_PRINT("\n");
	for (i = 0; i < dma->buf_count; i++) {
		if (i && !(i%32)) DRM_SYSCTL_PRINT("\n");
		DRM_SYSCTL_PRINT(" %d", dma->buflist[i]->list);
	}
	DRM_SYSCTL_PRINT("\n");

	SYSCTL_OUT(req, "", 1);
	return 0;
}

static int DRM(bufs_info) DRM_SYSCTL_HANDLER_ARGS
{
	drm_device_t *dev = arg1;
	int	     ret;

	DRM_LOCK;
	ret = DRM(_bufs_info)(oidp, arg1, arg2, req);
	DRM_UNLOCK;
	return ret;
}


static int DRM(_clients_info) DRM_SYSCTL_HANDLER_ARGS
{
	drm_device_t *dev = arg1;
	drm_file_t   *priv;
	char         buf[128];
	int          error;

	DRM_SYSCTL_PRINT("a dev	pid    uid	magic	  ioctls\n\n");
	TAILQ_FOREACH(priv, &dev->files, link) {
		DRM_SYSCTL_PRINT("%c %3d %5d %5d %10u %10lu\n",
			       priv->authenticated ? 'y' : 'n',
			       priv->minor,
			       priv->pid,
			       priv->uid,
			       priv->magic,
			       priv->ioctl_count);
	}

	SYSCTL_OUT(req, "", 1);
	return 0;
}

static int DRM(clients_info)DRM_SYSCTL_HANDLER_ARGS
{
	drm_device_t *dev = arg1;
	int	     ret;

	DRM_LOCK;
	ret = DRM(_clients_info)(oidp, arg1, arg2, req);
	DRM_UNLOCK;
	return ret;
}


#elif defined(__NetBSD__)
/* stub it out for now, sysctl is only for debugging */
int DRM(sysctl_init)(drm_device_t *dev)
{
	return 0;
}

int DRM(sysctl_cleanup)(drm_device_t *dev)
{
	return 0;
}
#endif