[linux-2.6-block.git] / include / asm-s390 / setup.h

/*
 *  include/asm-s390/setup.h
 *
 *  S390 version
 *    Copyright IBM Corp. 1999,2006
 */

#ifndef _ASM_S390_SETUP_H
#define _ASM_S390_SETUP_H

#define COMMAND_LINE_SIZE 	896

#ifdef __KERNEL__

#include <asm/types.h>

#define PARMAREA		0x10400
#define MEMORY_CHUNKS		16	/* max 0x7fff */

#ifndef __ASSEMBLY__

#ifndef __s390x__
#define IPL_DEVICE        (*(unsigned long *)  (0x10404))
#define INITRD_START      (*(unsigned long *)  (0x1040C))
#define INITRD_SIZE       (*(unsigned long *)  (0x10414))
#else /* __s390x__ */
#define IPL_DEVICE        (*(unsigned long *)  (0x10400))
#define INITRD_START      (*(unsigned long *)  (0x10408))
#define INITRD_SIZE       (*(unsigned long *)  (0x10410))
#endif /* __s390x__ */
#define COMMAND_LINE      ((char *)            (0x10480))

#define CHUNK_READ_WRITE 0
#define CHUNK_READ_ONLY  1

struct mem_chunk {
	unsigned long addr;
	unsigned long size;
	unsigned long type;
};

extern struct mem_chunk memory_chunk[];
extern unsigned long real_memory_size;

#ifdef CONFIG_S390_SWITCH_AMODE
extern unsigned int switch_amode;
#else
#define switch_amode	(0)
#endif

#ifdef CONFIG_S390_EXEC_PROTECT
extern unsigned int s390_noexec;
#else
#define s390_noexec	(0)
#endif

/*
 * Machine features detected in head.S
 */
extern unsigned long machine_flags;

#define MACHINE_IS_VM		(machine_flags & 1)
#define MACHINE_IS_P390		(machine_flags & 4)
#define MACHINE_HAS_MVPG	(machine_flags & 16)
#define MACHINE_IS_KVM		(machine_flags & 64)
#define MACHINE_HAS_IDTE	(machine_flags & 128)
#define MACHINE_HAS_DIAG9C	(machine_flags & 256)

#ifndef __s390x__
#define MACHINE_HAS_IEEE	(machine_flags & 2)
#define MACHINE_HAS_CSP		(machine_flags & 8)
#define MACHINE_HAS_DIAG44	(1)
#define MACHINE_HAS_MVCOS	(0)
#else /* __s390x__ */
#define MACHINE_HAS_IEEE	(1)
#define MACHINE_HAS_CSP		(1)
#define MACHINE_HAS_DIAG44	(machine_flags & 32)
#define MACHINE_HAS_MVCOS	(machine_flags & 512)
#endif /* __s390x__ */

#define MACHINE_HAS_SCLP	(!MACHINE_IS_P390)
#define ZFCPDUMP_HSA_SIZE	(32UL<<20)

/*
 * 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 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 NSS_NAME_SIZE	8
extern char kernel_nss_name[];

#else /* __ASSEMBLY__ */

#ifndef __s390x__
#define IPL_DEVICE        0x10404
#define INITRD_START      0x1040C
#define INITRD_SIZE       0x10414
#else /* __s390x__ */
#define IPL_DEVICE        0x10400
#define INITRD_START      0x10408
#define INITRD_SIZE       0x10410
#endif /* __s390x__ */
#define COMMAND_LINE      0x10480

#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */
#endif /* _ASM_S390_SETUP_H */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* include/asm-s390/setup.h
	3	*
	4	* S390 version
36a2bd42	5	* Copyright IBM Corp. 1999,2006
1da177e4 LT	6	*/
	7
	8	#ifndef _ASM_S390_SETUP_H
	9	#define _ASM_S390_SETUP_H
	10
7d1362c0 AB	11	#define COMMAND_LINE_SIZE 896
7d1362c0 AB	12
0defa3c1 HC	13	#ifdef __KERNEL__
0defa3c1 HC	14
1e8e3383 HC	15	#include <asm/types.h>
1e8e3383 HC	16
1da177e4	17	#define PARMAREA 0x10400
1da177e4 LT	18	#define MEMORY_CHUNKS 16 /* max 0x7fff */
	19
	20	#ifndef __ASSEMBLY__
	21
	22	#ifndef __s390x__
	23	#define IPL_DEVICE ((unsigned long ) (0x10404))
	24	#define INITRD_START ((unsigned long ) (0x1040C))
	25	#define INITRD_SIZE ((unsigned long ) (0x10414))
	26	#else /* __s390x__ */
	27	#define IPL_DEVICE ((unsigned long ) (0x10400))
	28	#define INITRD_START ((unsigned long ) (0x10408))
	29	#define INITRD_SIZE ((unsigned long ) (0x10410))
	30	#endif /* __s390x__ */
	31	#define COMMAND_LINE ((char *) (0x10480))
	32
36a2bd42 HC	33	#define CHUNK_READ_WRITE 0
	34	#define CHUNK_READ_ONLY 1
	35
	36	struct mem_chunk {
	37	unsigned long addr;
	38	unsigned long size;
	39	unsigned long type;
	40	};
	41
	42	extern struct mem_chunk memory_chunk[];
411ed322	43	extern unsigned long real_memory_size;
36a2bd42	44
c1821c2e GS	45	#ifdef CONFIG_S390_SWITCH_AMODE
	46	extern unsigned int switch_amode;
	47	#else
	48	#define switch_amode (0)
	49	#endif
	50
	51	#ifdef CONFIG_S390_EXEC_PROTECT
	52	extern unsigned int s390_noexec;
	53	#else
	54	#define s390_noexec (0)
	55	#endif
	56
1da177e4 LT	57	/*
	58	* Machine features detected in head.S
	59	*/
	60	extern unsigned long machine_flags;
	61
	62	#define MACHINE_IS_VM (machine_flags & 1)
	63	#define MACHINE_IS_P390 (machine_flags & 4)
	64	#define MACHINE_HAS_MVPG (machine_flags & 16)
fa587743	65	#define MACHINE_IS_KVM (machine_flags & 64)
1da177e4	66	#define MACHINE_HAS_IDTE (machine_flags & 128)
3c1fcfe2	67	#define MACHINE_HAS_DIAG9C (machine_flags & 256)
1da177e4 LT	68
	69	#ifndef __s390x__
	70	#define MACHINE_HAS_IEEE (machine_flags & 2)
	71	#define MACHINE_HAS_CSP (machine_flags & 8)
abdba61a	72	#define MACHINE_HAS_DIAG44 (1)
6c2a9e6d	73	#define MACHINE_HAS_MVCOS (0)
1da177e4 LT	74	#else /* __s390x__ */
	75	#define MACHINE_HAS_IEEE (1)
	76	#define MACHINE_HAS_CSP (1)
abdba61a	77	#define MACHINE_HAS_DIAG44 (machine_flags & 32)
6c2a9e6d	78	#define MACHINE_HAS_MVCOS (machine_flags & 512)
1da177e4 LT	79	#endif /* __s390x__ */
1da177e4 LT	80
1da177e4	81	#define MACHINE_HAS_SCLP (!MACHINE_IS_P390)
411ed322	82	#define ZFCPDUMP_HSA_SIZE (32UL<<20)
1da177e4 LT	83
	84	/*
	85	* Console mode. Override with conmode=
	86	*/
	87	extern unsigned int console_mode;
	88	extern unsigned int console_devno;
	89	extern unsigned int console_irq;
	90
2b67fc46 HC	91	extern char vmhalt_cmd[];
	92	extern char vmpoff_cmd[];
	93
1da177e4 LT	94	#define CONSOLE_IS_UNDEFINED (console_mode == 0)
	95	#define CONSOLE_IS_SCLP (console_mode == 1)
	96	#define CONSOLE_IS_3215 (console_mode == 2)
	97	#define CONSOLE_IS_3270 (console_mode == 3)
	98	#define SET_CONSOLE_SCLP do { console_mode = 1; } while (0)
	99	#define SET_CONSOLE_3215 do { console_mode = 2; } while (0)
	100	#define SET_CONSOLE_3270 do { console_mode = 3; } while (0)
	101
fe355b7f	102	#define NSS_NAME_SIZE 8
fe355b7f HY	103	extern char kernel_nss_name[];
fe355b7f HY	104
0defa3c1	105	#else /* __ASSEMBLY__ */
1da177e4 LT	106
	107	#ifndef __s390x__
	108	#define IPL_DEVICE 0x10404
	109	#define INITRD_START 0x1040C
	110	#define INITRD_SIZE 0x10414
	111	#else /* __s390x__ */
	112	#define IPL_DEVICE 0x10400
	113	#define INITRD_START 0x10408
	114	#define INITRD_SIZE 0x10410
	115	#endif /* __s390x__ */
	116	#define COMMAND_LINE 0x10480
	117
0defa3c1 HC	118	#endif /* __ASSEMBLY__ */
	119	#endif /* __KERNEL__ */
	120	#endif /* _ASM_S390_SETUP_H */