4294fd5ce1
in bufs_info sysctl handler. dev->dma and dev->dma_lock existence are protected by DRM_LOCK(). Fixes panic on sysctl hw.dri when the device is uninitialied (when you aren't in X).
327 lines
7.8 KiB
C
327 lines
7.8 KiB
C
/*
|
|
* 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#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 <= 0)
|
|
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
|