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 52 extern int memory_end_set; 53 extern unsigned long memory_end; 54 extern unsigned long max_physmem_end; 55 56 extern 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 */ 81 extern unsigned int console_mode; 82 extern unsigned int console_devno; 83 extern unsigned int console_irq; 84 85 extern char vmhalt_cmd[]; 86 extern 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 97 extern char kernel_nss_name[]; 98 99 #ifdef CONFIG_PFAULT 100 extern int pfault_init(void); 101 extern void pfault_fini(void); 102 #else /* CONFIG_PFAULT */ 103 #define pfault_init() ({-1;}) 104 #define pfault_fini() do { } while (0) 105 #endif /* CONFIG_PFAULT */ 106 107 extern void cmma_init(void); 108 109 extern void (*_machine_restart)(char *command); 110 extern void (*_machine_halt)(void); 111 extern 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