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-rw-r--r--bsd-core/drm_drv.c18
-rw-r--r--bsd-core/drm_os_freebsd.h8
-rw-r--r--bsd-core/drm_os_netbsd.h6
-rw-r--r--bsd-core/drm_sysctl.c206
4 files changed, 134 insertions, 104 deletions
diff --git a/bsd-core/drm_drv.c b/bsd-core/drm_drv.c
index 269f4225..7d753836 100644
--- a/bsd-core/drm_drv.c
+++ b/bsd-core/drm_drv.c
@@ -472,11 +472,6 @@ static int DRM(setup)( drm_device_t *dev )
dev->magiclist[i].tail = NULL;
}
- dev->maplist = DRM(calloc)(1, sizeof(*dev->maplist), DRM_MEM_MAPS);
- if (dev->maplist == NULL)
- return DRM_ERR(ENOMEM);
- TAILQ_INIT(dev->maplist);
-
dev->lock.hw_lock = NULL;
dev->lock.lock_queue = 0;
dev->irq = 0;
@@ -591,8 +586,6 @@ static int DRM(takedown)( drm_device_t *dev )
DRM(free)(list, sizeof(*list), DRM_MEM_MAPS);
DRM(free)(map, sizeof(*map), DRM_MEM_MAPS);
}
- DRM(free)(dev->maplist, sizeof(*dev->maplist), DRM_MEM_MAPS);
- dev->maplist = NULL;
}
#if __HAVE_DMA
@@ -647,6 +640,14 @@ static int DRM(init)( device_t nbdev )
#elif defined(__NetBSD__)
unit = minor(dev->device.dv_unit);
#endif
+
+ dev->maplist = DRM(calloc)(1, sizeof(*dev->maplist), DRM_MEM_MAPS);
+ if (dev->maplist == NULL) {
+ retcode = ENOMEM;
+ goto error;
+ }
+ TAILQ_INIT(dev->maplist);
+
dev->name = DRIVER_NAME;
DRM(mem_init)();
DRM(sysctl_init)(dev);
@@ -680,6 +681,7 @@ static int DRM(init)( device_t nbdev )
goto error;
}
#endif
+
DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d\n",
DRIVER_NAME,
DRIVER_MAJOR,
@@ -703,6 +705,7 @@ error:
mtx_destroy(&dev->dev_lock);
#endif
#endif
+ DRM(free)(dev->maplist, sizeof(*dev->maplist), DRM_MEM_MAPS);
return retcode;
}
@@ -749,6 +752,7 @@ static void DRM(cleanup)(drm_device_t *dev)
#if defined(__FreeBSD__) && __FreeBSD_version >= 500000
mtx_destroy(&dev->dev_lock);
#endif
+ DRM(free)(dev->maplist, sizeof(*dev->maplist), DRM_MEM_MAPS);
}
diff --git a/bsd-core/drm_os_freebsd.h b/bsd-core/drm_os_freebsd.h
index 33bdcd20..42385137 100644
--- a/bsd-core/drm_os_freebsd.h
+++ b/bsd-core/drm_os_freebsd.h
@@ -413,14 +413,6 @@ find_first_zero_bit(volatile void *p, int max)
#define DRM_SYSCTL_HANDLER_ARGS SYSCTL_HANDLER_ARGS
#endif
-#define DRM_SYSCTL_PRINT(fmt, arg...) \
-do { \
- snprintf(buf, sizeof(buf), fmt, ##arg); \
- error = SYSCTL_OUT(req, buf, strlen(buf)); \
- if (error) return error; \
-} while (0)
-
-
#define DRM_FIND_MAP(dest, o) \
do { \
drm_map_list_entry_t *listentry; \
diff --git a/bsd-core/drm_os_netbsd.h b/bsd-core/drm_os_netbsd.h
index 1554d24d..b03399d8 100644
--- a/bsd-core/drm_os_netbsd.h
+++ b/bsd-core/drm_os_netbsd.h
@@ -342,12 +342,6 @@ do { \
#define DRM_DEBUG(fmt, arg...) do { } while (0)
#endif
-#define DRM_SYSCTL_PRINT(fmt, arg...) \
- snprintf(buf, sizeof(buf), fmt, ##arg); \
- error = SYSCTL_OUT(req, buf, strlen(buf)); \
- if (error) return error;
-
-
#define DRM_FIND_MAP(dest, o) \
do { \
drm_map_list_entry_t *listentry; \
diff --git a/bsd-core/drm_sysctl.c b/bsd-core/drm_sysctl.c
index fe586d4c..98bcc1ce 100644
--- a/bsd-core/drm_sysctl.c
+++ b/bsd-core/drm_sysctl.c
@@ -41,7 +41,9 @@ struct DRM(sysctl_list) {
#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]))
@@ -112,90 +114,128 @@ int DRM(sysctl_cleanup)(drm_device_t *dev)
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 error;
+ int retcode;
+ int hasunique = 0;
+ DRM_SYSCTL_PRINT("%s 0x%x", dev->name, dev2udev(dev->devnode));
+
+ DRM_LOCK();
if (dev->unique) {
- DRM_SYSCTL_PRINT("%s 0x%x %s",
- dev->name, dev2udev(dev->devnode), dev->unique);
- } else {
- DRM_SYSCTL_PRINT("%s 0x%x", dev->name, dev2udev(dev->devnode));
+ snprintf(buf, sizeof(buf), " %s", dev->unique);
+ hasunique = 1;
}
+ DRM_UNLOCK();
+
+ if (hasunique)
+ SYSCTL_OUT(req, buf, strlen(buf));
SYSCTL_OUT(req, "", 1);
- return 0;
+done:
+ return retcode;
}
-static int DRM(_vm_info)DRM_SYSCTL_HANDLER_ARGS
+static int DRM(vm_info)DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
- drm_local_map_t *map;
+ drm_local_map_t *map, *tempmaps;
drm_map_list_entry_t *listentry;
const char *types[] = { "FB", "REG", "SHM", "AGP", "SG" };
- const char *type;
- int i=0;
- char buf[128];
- int error;
+ const char *type, *yesno;
+ int i, mapcount;
+ char buf[128];
+ int retcode;
- DRM_SYSCTL_PRINT("\nslot offset size type flags "
- "address mtrr\n");
+ /* 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();
- if (dev->maplist != NULL) {
- TAILQ_FOREACH(listentry, dev->maplist, link) {
- map = listentry->map;
- if (map->type < 0 || map->type > 4)
- 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("no\n");
- } else {
- DRM_SYSCTL_PRINT("yes\n");
- }
- i++;
- }
- }
- SYSCTL_OUT(req, "", 1);
+ mapcount = 0;
+ TAILQ_FOREACH(listentry, dev->maplist, link)
+ mapcount++;
- return 0;
-}
+ tempmaps = DRM(alloc)(sizeof(drm_local_map_t) * mapcount, DRM_MEM_MAPS);
+ if (tempmaps == NULL) {
+ DRM_UNLOCK();
+ return ENOMEM;
+ }
-static int DRM(vm_info)DRM_SYSCTL_HANDLER_ARGS
-{
- drm_device_t __unused *dev = arg1;
- int ret;
+ i = 0;
+ TAILQ_FOREACH(listentry, dev->maplist, link)
+ tempmaps[i++] = *listentry->map;
- DRM_LOCK();
- ret = DRM(_vm_info)(oidp, arg1, arg2, req);
DRM_UNLOCK();
- return ret;
-}
+ 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);
-/* drm_bufs_info is called whenever a process reads
- hw.dri.0.bufs. */
+done:
+ DRM(free)(tempmaps, sizeof(drm_local_map_t) * mapcount, DRM_MEM_MAPS);
+ return retcode;
+}
-static int DRM(_bufs_info) DRM_SYSCTL_HANDLER_ARGS
+#if __HAVE_DMA
+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;
+ 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();
+ DRM_SPINLOCK(&dev->dma_lock);
+ if (dma == NULL) {
+ DRM_SPINUNLOCK(&dev->dma_lock);
+ DRM_UNLOCK();
+ return 0;
+ }
+ 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();
- if (!dma) return 0;
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)
@@ -215,35 +255,45 @@ static int DRM(_bufs_info) DRM_SYSCTL_HANDLER_ARGS
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(" %d", templists[i]);
}
DRM_SYSCTL_PRINT("\n");
SYSCTL_OUT(req, "", 1);
- return 0;
+done:
+ DRM(free)(templists, sizeof(int) * dma->buf_count, DRM_MEM_BUFS);
+ return retcode;
}
+#endif
-static int DRM(bufs_info) DRM_SYSCTL_HANDLER_ARGS
+static int DRM(clients_info)DRM_SYSCTL_HANDLER_ARGS
{
- drm_device_t __unused *dev = arg1;
- int ret;
+ drm_device_t *dev = arg1;
+ drm_file_t *priv, *tempprivs;
+ char buf[128];
+ int retcode;
+ int privcount, i;
DRM_LOCK();
- ret = DRM(_bufs_info)(oidp, arg1, arg2, req);
- DRM_UNLOCK();
- return ret;
-}
+ privcount = 0;
+ TAILQ_FOREACH(priv, &dev->files, link)
+ privcount++;
-static int DRM(_clients_info) DRM_SYSCTL_HANDLER_ARGS
-{
- drm_device_t *dev = arg1;
- drm_file_t *priv;
- char buf[128];
- int error;
+ 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");
- TAILQ_FOREACH(priv, &dev->files, link) {
+ 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,
@@ -254,21 +304,11 @@ static int DRM(_clients_info) DRM_SYSCTL_HANDLER_ARGS
}
SYSCTL_OUT(req, "", 1);
- return 0;
+done:
+ DRM(free)(tempprivs, sizeof(drm_file_t) * privcount, DRM_MEM_FILES);
+ return retcode;
}
-static int DRM(clients_info)DRM_SYSCTL_HANDLER_ARGS
-{
- drm_device_t __unused *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)
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-25 05:01:12 +0000