Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0-or-later */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Hypervisor Maintenance Interrupt header file.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Copyright 2015 IBM Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * Author: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #ifndef __ASM_PPC64_HMI_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #define __ASM_PPC64_HMI_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #define	CORE_TB_RESYNC_REQ_BIT		63
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #define MAX_SUBCORE_PER_CORE		4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)  * sibling_subcore_state structure is used to co-ordinate all threads
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)  * during HMI to avoid TB corruption. This structure is allocated once
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)  * per each core and shared by all threads on that core.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) struct sibling_subcore_state {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	unsigned long	flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	u8		in_guest[MAX_SUBCORE_PER_CORE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) extern void wait_for_subcore_guest_exit(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) extern void wait_for_tb_resync(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) static inline void wait_for_subcore_guest_exit(void) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) static inline void wait_for_tb_resync(void) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) struct pt_regs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) extern long hmi_handle_debugtrig(struct pt_regs *regs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #endif /* __ASM_PPC64_HMI_H__ */