1/* 2 * S390 version 3 * Copyright IBM Corp. 1999, 2010 4 */ 5#ifndef _ASM_S390_SETUP_H 6#define _ASM_S390_SETUP_H 7 8#include <linux/const.h> 9#include <uapi/asm/setup.h> 10 11 12#define PARMAREA 0x10400 13 14/* 15 * Machine features detected in head.S 16 */ 17 18#define MACHINE_FLAG_VM _BITUL(0) 19#define MACHINE_FLAG_IEEE _BITUL(1) 20#define MACHINE_FLAG_CSP _BITUL(2) 21#define MACHINE_FLAG_MVPG _BITUL(3) 22#define MACHINE_FLAG_DIAG44 _BITUL(4) 23#define MACHINE_FLAG_IDTE _BITUL(5) 24#define MACHINE_FLAG_DIAG9C _BITUL(6) 25#define MACHINE_FLAG_KVM _BITUL(8) 26#define MACHINE_FLAG_ESOP _BITUL(9) 27#define MACHINE_FLAG_EDAT1 _BITUL(10) 28#define MACHINE_FLAG_EDAT2 _BITUL(11) 29#define MACHINE_FLAG_LPAR _BITUL(12) 30#define MACHINE_FLAG_LPP _BITUL(13) 31#define MACHINE_FLAG_TOPOLOGY _BITUL(14) 32#define MACHINE_FLAG_TE _BITUL(15) 33#define MACHINE_FLAG_TLB_LC _BITUL(17) 34#define MACHINE_FLAG_VX _BITUL(18) 35#define MACHINE_FLAG_CAD _BITUL(19) 36 37#define LPP_MAGIC _BITUL(31) 38#define LPP_PFAULT_PID_MASK _AC(0xffffffff, UL) 39 40#ifndef __ASSEMBLY__ 41 42#include <asm/lowcore.h> 43#include <asm/types.h> 44 45#define IPL_DEVICE (*(unsigned long *) (0x10400)) 46#define INITRD_START (*(unsigned long *) (0x10408)) 47#define INITRD_SIZE (*(unsigned long *) (0x10410)) 48#define OLDMEM_BASE (*(unsigned long *) (0x10418)) 49#define OLDMEM_SIZE (*(unsigned long *) (0x10420)) 50#define COMMAND_LINE ((char *) (0x10480)) 51 52extern int memory_end_set; 53extern unsigned long memory_end; 54extern unsigned long max_physmem_end; 55 56extern void detect_memory_memblock(void); 57 58#define MACHINE_IS_VM (S390_lowcore.machine_flags & MACHINE_FLAG_VM) 59#define MACHINE_IS_KVM (S390_lowcore.machine_flags & MACHINE_FLAG_KVM) 60#define MACHINE_IS_LPAR (S390_lowcore.machine_flags & MACHINE_FLAG_LPAR) 61 62#define MACHINE_HAS_DIAG9C (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG9C) 63#define MACHINE_HAS_ESOP (S390_lowcore.machine_flags & MACHINE_FLAG_ESOP) 64#define MACHINE_HAS_PFMF MACHINE_HAS_EDAT1 65#define MACHINE_HAS_HPAGE MACHINE_HAS_EDAT1 66 67#define MACHINE_HAS_IDTE (S390_lowcore.machine_flags & MACHINE_FLAG_IDTE) 68#define MACHINE_HAS_DIAG44 (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG44) 69#define MACHINE_HAS_EDAT1 (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT1) 70#define MACHINE_HAS_EDAT2 (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT2) 71#define MACHINE_HAS_LPP (S390_lowcore.machine_flags & MACHINE_FLAG_LPP) 72#define MACHINE_HAS_TOPOLOGY (S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY) 73#define MACHINE_HAS_TE (S390_lowcore.machine_flags & MACHINE_FLAG_TE) 74#define MACHINE_HAS_TLB_LC (S390_lowcore.machine_flags & MACHINE_FLAG_TLB_LC) 75#define MACHINE_HAS_VX (S390_lowcore.machine_flags & MACHINE_FLAG_VX) 76#define MACHINE_HAS_CAD (S390_lowcore.machine_flags & MACHINE_FLAG_CAD) 77 78/* 79 * Console mode. Override with conmode= 80 */ 81extern unsigned int console_mode; 82extern unsigned int console_devno; 83extern unsigned int console_irq; 84 85extern char vmhalt_cmd[]; 86extern char vmpoff_cmd[]; 87 88#define CONSOLE_IS_UNDEFINED (console_mode == 0) 89#define CONSOLE_IS_SCLP (console_mode == 1) 90#define CONSOLE_IS_3215 (console_mode == 2) 91#define CONSOLE_IS_3270 (console_mode == 3) 92#define SET_CONSOLE_SCLP do { console_mode = 1; } while (0) 93#define SET_CONSOLE_3215 do { console_mode = 2; } while (0) 94#define SET_CONSOLE_3270 do { console_mode = 3; } while (0) 95 96#define NSS_NAME_SIZE 8 97extern char kernel_nss_name[]; 98 99#ifdef CONFIG_PFAULT 100extern int pfault_init(void); 101extern void pfault_fini(void); 102#else /* CONFIG_PFAULT */ 103#define pfault_init() ({-1;}) 104#define pfault_fini() do { } while (0) 105#endif /* CONFIG_PFAULT */ 106 107extern void cmma_init(void); 108 109extern void (*_machine_restart)(char *command); 110extern void (*_machine_halt)(void); 111extern void (*_machine_power_off)(void); 112 113#else /* __ASSEMBLY__ */ 114 115#define IPL_DEVICE 0x10400 116#define INITRD_START 0x10408 117#define INITRD_SIZE 0x10410 118#define OLDMEM_BASE 0x10418 119#define OLDMEM_SIZE 0x10420 120#define COMMAND_LINE 0x10480 121 122#endif /* __ASSEMBLY__ */ 123#endif /* _ASM_S390_SETUP_H */ 124