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/* SPDX-License-Identifier: GPL-2.0 */
/*
* S390 version
* Copyright IBM Corp. 1999, 2010
*/
#ifndef _ASM_S390_SETUP_H
#define _ASM_S390_SETUP_H
#include <linux/const.h>
#include <uapi/asm/setup.h>
#define PARMAREA 0x10400
/*
* Machine features detected in early.c
*/
#define MACHINE_FLAG_VM _BITUL(0)
#define MACHINE_FLAG_KVM _BITUL(1)
#define MACHINE_FLAG_LPAR _BITUL(2)
#define MACHINE_FLAG_DIAG9C _BITUL(3)
#define MACHINE_FLAG_ESOP _BITUL(4)
#define MACHINE_FLAG_IDTE _BITUL(5)
#define MACHINE_FLAG_DIAG44 _BITUL(6)
#define MACHINE_FLAG_EDAT1 _BITUL(7)
#define MACHINE_FLAG_EDAT2 _BITUL(8)
#define MACHINE_FLAG_LPP _BITUL(9)
#define MACHINE_FLAG_TOPOLOGY _BITUL(10)
#define MACHINE_FLAG_TE _BITUL(11)
#define MACHINE_FLAG_TLB_LC _BITUL(12)
#define MACHINE_FLAG_VX _BITUL(13)
#define MACHINE_FLAG_TLB_GUEST _BITUL(14)
#define MACHINE_FLAG_NX _BITUL(15)
#define MACHINE_FLAG_GS _BITUL(16)
#define MACHINE_FLAG_SCC _BITUL(17)
#define LPP_MAGIC _BITUL(31)
#define LPP_PFAULT_PID_MASK _AC(0xffffffff, UL)
#ifndef __ASSEMBLY__
#include <asm/lowcore.h>
#include <asm/types.h>
#define IPL_DEVICE (*(unsigned long *) (0x10400))
#define INITRD_START (*(unsigned long *) (0x10408))
#define INITRD_SIZE (*(unsigned long *) (0x10410))
#define OLDMEM_BASE (*(unsigned long *) (0x10418))
#define OLDMEM_SIZE (*(unsigned long *) (0x10420))
#define COMMAND_LINE ((char *) (0x10480))
extern int memory_end_set;
extern unsigned long memory_end;
extern unsigned long max_physmem_end;
extern void detect_memory_memblock(void);
#define MACHINE_IS_VM (S390_lowcore.machine_flags & MACHINE_FLAG_VM)
#define MACHINE_IS_KVM (S390_lowcore.machine_flags & MACHINE_FLAG_KVM)
#define MACHINE_IS_LPAR (S390_lowcore.machine_flags & MACHINE_FLAG_LPAR)
#define MACHINE_HAS_DIAG9C (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG9C)
#define MACHINE_HAS_ESOP (S390_lowcore.machine_flags & MACHINE_FLAG_ESOP)
#define MACHINE_HAS_IDTE (S390_lowcore.machine_flags & MACHINE_FLAG_IDTE)
#define MACHINE_HAS_DIAG44 (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG44)
#define MACHINE_HAS_EDAT1 (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT1)
#define MACHINE_HAS_EDAT2 (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT2)
#define MACHINE_HAS_LPP (S390_lowcore.machine_flags & MACHINE_FLAG_LPP)
#define MACHINE_HAS_TOPOLOGY (S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY)
#define MACHINE_HAS_TE (S390_lowcore.machine_flags & MACHINE_FLAG_TE)
#define MACHINE_HAS_TLB_LC (S390_lowcore.machine_flags & MACHINE_FLAG_TLB_LC)
#define MACHINE_HAS_VX (S390_lowcore.machine_flags & MACHINE_FLAG_VX)
#define MACHINE_HAS_TLB_GUEST (S390_lowcore.machine_flags & MACHINE_FLAG_TLB_GUEST)
#define MACHINE_HAS_NX (S390_lowcore.machine_flags & MACHINE_FLAG_NX)
#define MACHINE_HAS_GS (S390_lowcore.machine_flags & MACHINE_FLAG_GS)
#define MACHINE_HAS_SCC (S390_lowcore.machine_flags & MACHINE_FLAG_SCC)
/*
* Console mode. Override with conmode=
*/
extern unsigned int console_mode;
extern unsigned int console_devno;
extern unsigned int console_irq;
extern char vmhalt_cmd[];
extern char vmpoff_cmd[];
#define CONSOLE_IS_UNDEFINED (console_mode == 0)
#define CONSOLE_IS_SCLP (console_mode == 1)
#define CONSOLE_IS_3215 (console_mode == 2)
#define CONSOLE_IS_3270 (console_mode == 3)
#define CONSOLE_IS_VT220 (console_mode == 4)
#define CONSOLE_IS_HVC (console_mode == 5)
#define SET_CONSOLE_SCLP do { console_mode = 1; } while (0)
#define SET_CONSOLE_3215 do { console_mode = 2; } while (0)
#define SET_CONSOLE_3270 do { console_mode = 3; } while (0)
#define SET_CONSOLE_VT220 do { console_mode = 4; } while (0)
#define SET_CONSOLE_HVC do { console_mode = 5; } while (0)
#define NSS_NAME_SIZE 8
extern char kernel_nss_name[];
#ifdef CONFIG_PFAULT
extern int pfault_init(void);
extern void pfault_fini(void);
#else /* CONFIG_PFAULT */
#define pfault_init() ({-1;})
#define pfault_fini() do { } while (0)
#endif /* CONFIG_PFAULT */
#ifdef CONFIG_VMCP
void vmcp_cma_reserve(void);
#else
static inline void vmcp_cma_reserve(void) { }
#endif
void report_user_fault(struct pt_regs *regs, long signr, int is_mm_fault);
void cmma_init(void);
void cmma_init_nodat(void);
extern void (*_machine_restart)(char *command);
extern void (*_machine_halt)(void);
extern void (*_machine_power_off)(void);
#else /* __ASSEMBLY__ */
#define IPL_DEVICE 0x10400
#define INITRD_START 0x10408
#define INITRD_SIZE 0x10410
#define OLDMEM_BASE 0x10418
#define OLDMEM_SIZE 0x10420
#define COMMAND_LINE 0x10480
#endif /* __ASSEMBLY__ */
#endif /* _ASM_S390_SETUP_H */
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