diff options
Diffstat (limited to 'include/dm/root.h')
| -rw-r--r-- | include/dm/root.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/include/dm/root.h b/include/dm/root.h index e888fb993c..b2f30a842f 100644 --- a/include/dm/root.h +++ b/include/dm/root.h @@ -9,12 +9,50 @@ #ifndef _DM_ROOT_H_ #define _DM_ROOT_H_ +#include <dm/tag.h> + struct udevice; /* Head of the uclass list if CONFIG_OF_PLATDATA_INST is enabled */ extern struct list_head uclass_head; /** + * struct dm_stats - Information about driver model memory usage + * + * @total_size: All data + * @dev_count: Number of devices + * @dev_size: Size of all devices (just the struct udevice) + * @dev_name_size: Bytes used by device names + * @uc_count: Number of uclasses + * @uc_size: Size of all uclasses (just the struct uclass) + * @tag_count: Number of tags + * @tag_size: Bytes used by all tags + * @uc_attach_count: Number of uclasses with attached data (priv) + * @uc_attach_size: Total size of that attached data + * @attach_count_total: Total number of attached data items for all udevices and + * uclasses + * @attach_size_total: Total number of bytes of attached data + * @attach_count: Number of devices with attached, for each type + * @attach_size: Total number of bytes of attached data, for each type + */ +struct dm_stats { + int total_size; + int dev_count; + int dev_size; + int dev_name_size; + int uc_count; + int uc_size; + int tag_count; + int tag_size; + int uc_attach_count; + int uc_attach_size; + int attach_count_total; + int attach_size_total; + int attach_count[DM_TAG_ATTACH_COUNT]; + int attach_size[DM_TAG_ATTACH_COUNT]; +}; + +/** * dm_root() - Return pointer to the top of the driver tree * * This function returns pointer to the root node of the driver tree, @@ -141,4 +179,11 @@ static inline int dm_remove_devices_flags(uint flags) { return 0; } */ void dm_get_stats(int *device_countp, int *uclass_countp); +/** + * dm_get_mem() - Get stats on memory usage in driver model + * + * @stats: Place to put the information + */ +void dm_get_mem(struct dm_stats *stats); + #endif |