1 /* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */ 2 #ifndef __BIOSTACKS_H 3 #define __BIOSTACKS_H 4 5 #define DISK_NAME_LEN 32 6 #define TASK_COMM_LEN 16 7 #define MAX_SLOTS 20 8 #define MAX_STACK 20 9 10 #define MINORBITS 20 11 #define MINORMASK ((1U << MINORBITS) - 1) 12 13 #define MKDEV(ma, mi) (((ma) << MINORBITS) | (mi)) 14 15 struct rqinfo { 16 __u32 pid; 17 int kern_stack_size; 18 __u64 kern_stack[MAX_STACK]; 19 char comm[TASK_COMM_LEN]; 20 __u32 dev; 21 }; 22 23 struct hist { 24 __u32 slots[MAX_SLOTS]; 25 }; 26 27 #endif /* __BIOSTACKS_H */ 28