| /* SPDX-License-Identifier: GPL-2.0 */ | |
| /* | |
| * S390 version | |
| * Copyright IBM Corp. 1999, 2017 | |
| */ | |
| #ifndef _ASM_S390_SETUP_H | |
| #define _ASM_S390_SETUP_H | |
| #include <linux/const.h> | |
| #include <uapi/asm/setup.h> | |
| #define EP_OFFSET 0x10008 | |
| #define EP_STRING "S390EP" | |
| #define PARMAREA 0x10400 | |
| #define PARMAREA_END 0x11000 | |
| /* | |
| * 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_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_PID_MASK _AC(0xffffffff, UL) | |
| /* Offsets to entry points in kernel/head.S */ | |
| #define STARTUP_NORMAL_OFFSET 0x10000 | |
| #define STARTUP_KDUMP_OFFSET 0x10010 | |
| /* Offsets to parameters in kernel/head.S */ | |
| #define IPL_DEVICE_OFFSET 0x10400 | |
| #define INITRD_START_OFFSET 0x10408 | |
| #define INITRD_SIZE_OFFSET 0x10410 | |
| #define OLDMEM_BASE_OFFSET 0x10418 | |
| #define OLDMEM_SIZE_OFFSET 0x10420 | |
| #define COMMAND_LINE_OFFSET 0x10480 | |
| #ifndef __ASSEMBLY__ | |
| #include <asm/lowcore.h> | |
| #include <asm/types.h> | |
| #define IPL_DEVICE (*(unsigned long *) (IPL_DEVICE_OFFSET)) | |
| #define INITRD_START (*(unsigned long *) (INITRD_START_OFFSET)) | |
| #define INITRD_SIZE (*(unsigned long *) (INITRD_SIZE_OFFSET)) | |
| #define OLDMEM_BASE (*(unsigned long *) (OLDMEM_BASE_OFFSET)) | |
| #define OLDMEM_SIZE (*(unsigned long *) (OLDMEM_SIZE_OFFSET)) | |
| #define COMMAND_LINE ((char *) (COMMAND_LINE_OFFSET)) | |
| 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_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) | |
| #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 (IPL_DEVICE_OFFSET) | |
| #define INITRD_START (INITRD_START_OFFSET) | |
| #define INITRD_SIZE (INITRD_SIZE_OFFSET) | |
| #define OLDMEM_BASE (OLDMEM_BASE_OFFSET) | |
| #define OLDMEM_SIZE (OLDMEM_SIZE_OFFSET) | |
| #define COMMAND_LINE (COMMAND_LINE_OFFSET) | |
| #endif /* __ASSEMBLY__ */ | |
| #endif /* _ASM_S390_SETUP_H */ |