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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 | /* 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 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_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 */ |