FreeBSD-5.3/sys/dev/drm/drm_sysctl.h
/*
* Copyright 2003 Eric Anholt
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* $FreeBSD: src/sys/dev/drm/drm_sysctl.h,v 1.7 2004/01/06 04:34:52 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;
#if __HAVE_DMA
static int DRM(bufs_info)DRM_SYSCTL_HANDLER_ARGS;
#endif
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) },
#if __HAVE_DMA
{ "bufs", DRM(bufs_info) },
#endif
};
#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;
}
#define DRM_SYSCTL_PRINT(fmt, arg...) \
do { \
snprintf(buf, sizeof(buf), fmt, ##arg); \
retcode = SYSCTL_OUT(req, buf, strlen(buf)); \
if (retcode) \
goto done; \
} while (0)
static int DRM(name_info)DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
char buf[128];
int retcode;
int hasunique = 0;
DRM_SYSCTL_PRINT("%s 0x%x", dev->name, dev2udev(dev->devnode));
DRM_LOCK();
if (dev->unique) {
snprintf(buf, sizeof(buf), " %s", dev->unique);
hasunique = 1;
}
DRM_UNLOCK();
if (hasunique)
SYSCTL_OUT(req, buf, strlen(buf));
SYSCTL_OUT(req, "", 1);
done:
return retcode;
}
static int DRM(vm_info)DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
drm_local_map_t *map, *tempmaps;
drm_map_list_entry_t *listentry;
const char *types[] = { "FB", "REG", "SHM", "AGP", "SG" };
const char *type, *yesno;
int i, mapcount;
char buf[128];
int retcode;
/* We can't hold the lock while doing SYSCTL_OUTs, so allocate a
* temporary copy of all the map entries and then SYSCTL_OUT that.
*/
DRM_LOCK();
mapcount = 0;
TAILQ_FOREACH(listentry, dev->maplist, link)
mapcount++;
tempmaps = DRM(alloc)(sizeof(drm_local_map_t) * mapcount, DRM_MEM_MAPS);
if (tempmaps == NULL) {
DRM_UNLOCK();
return ENOMEM;
}
i = 0;
TAILQ_FOREACH(listentry, dev->maplist, link)
tempmaps[i++] = *listentry->map;
DRM_UNLOCK();
DRM_SYSCTL_PRINT("\nslot offset size type flags "
"address mtrr\n");
for (i = 0; i < mapcount; i++) {
map = &tempmaps[i];
if (map->type < 0 || map->type > 4)
type = "??";
else
type = types[map->type];
if (!map->mtrr)
yesno = "no";
else
yesno = "yes";
DRM_SYSCTL_PRINT(
"%4d 0x%08lx 0x%08lx %4.4s 0x%02x 0x%08lx %s\n", i,
map->offset, map->size, type, map->flags,
(unsigned long)map->handle, yesno);
}
SYSCTL_OUT(req, "", 1);
done:
DRM(free)(tempmaps, sizeof(drm_local_map_t) * mapcount, DRM_MEM_MAPS);
return retcode;
}
#if __HAVE_DMA
static int DRM(bufs_info) DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
drm_device_dma_t *dma = dev->dma;
drm_device_dma_t tempdma;
int *templists;
int i;
char buf[128];
int retcode;
/* We can't hold the locks around DRM_SYSCTL_PRINT, so make a temporary
* copy of the whole structure and the relevant data from buflist.
*/
DRM_LOCK();
if (dma == NULL) {
DRM_UNLOCK();
return 0;
}
DRM_SPINLOCK(&dev->dma_lock);
tempdma = *dma;
templists = DRM(alloc)(sizeof(int) * dma->buf_count, DRM_MEM_BUFS);
for (i = 0; i < dma->buf_count; i++)
templists[i] = dma->buflist[i]->list;
dma = &tempdma;
DRM_SPINUNLOCK(&dev->dma_lock);
DRM_UNLOCK();
DRM_SYSCTL_PRINT("\n o size count free segs pages kB\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", templists[i]);
}
DRM_SYSCTL_PRINT("\n");
SYSCTL_OUT(req, "", 1);
done:
DRM(free)(templists, sizeof(int) * dma->buf_count, DRM_MEM_BUFS);
return retcode;
}
#endif
static int DRM(clients_info)DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
drm_file_t *priv, *tempprivs;
char buf[128];
int retcode;
int privcount, i;
DRM_LOCK();
privcount = 0;
TAILQ_FOREACH(priv, &dev->files, link)
privcount++;
tempprivs = DRM(alloc)(sizeof(drm_file_t) * privcount, DRM_MEM_FILES);
if (tempprivs == NULL) {
DRM_UNLOCK();
return ENOMEM;
}
i = 0;
TAILQ_FOREACH(priv, &dev->files, link)
tempprivs[i++] = *priv;
DRM_UNLOCK();
DRM_SYSCTL_PRINT("\na dev pid uid magic ioctls\n");
for (i = 0; i < privcount; i++) {
priv = &tempprivs[i];
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);
done:
DRM(free)(tempprivs, sizeof(drm_file_t) * privcount, DRM_MEM_FILES);
return retcode;
}
#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