/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __PSTORE_BLK_H_ #define __PSTORE_BLK_H_ #include <linux/types.h> #include <linux/pstore.h> #include <linux/pstore_zone.h> /** * struct pstore_device_info - back-end pstore/blk driver structure. * * @flags: Refer to macro starting with PSTORE_FLAGS defined in * linux/pstore.h. It means what front-ends this device support. * Zero means all backends for compatible. * @zone: The struct pstore_zone_info details. * */ struct pstore_device_info { unsigned int flags; struct pstore_zone_info zone; }; int register_pstore_device(struct pstore_device_info *dev); void unregister_pstore_device(struct pstore_device_info *dev); /** * struct pstore_blk_config - the pstore_blk backend configuration * * @device: Name of the desired block device * @max_reason: Maximum kmsg dump reason to store to block device * @kmsg_size: Total size of for kmsg dumps * @pmsg_size: Total size of the pmsg storage area * @console_size: Total size of the console storage area * @ftrace_size: Total size for ftrace logging data (for all CPUs) */ struct pstore_blk_config { char device[80]; enum kmsg_dump_reason max_reason; unsigned long kmsg_size; unsigned long pmsg_size; unsigned long console_size; unsigned long ftrace_size; }; /** * pstore_blk_get_config - get a copy of the pstore_blk backend configuration * * @info: The sturct pstore_blk_config to be filled in * * Failure returns negative error code, and success returns 0. */ int pstore_blk_get_config(struct pstore_blk_config *info); #endif