[deliverable/linux.git] / arch / s390 / include / asm / setup.h

/*
 *  include/asm-s390/setup.h
 *
 *  S390 version
 *    Copyright IBM Corp. 1999,2010
 */

#ifndef _ASM_S390_SETUP_H
#define _ASM_S390_SETUP_H

#define COMMAND_LINE_SIZE	4096

#define ARCH_COMMAND_LINE_SIZE	896

#ifdef __KERNEL__

#define PARMAREA		0x10400
#define MEMORY_CHUNKS		256

#ifndef __ASSEMBLY__

#include <asm/lowcore.h>
#include <asm/types.h>

#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;
	int type;
};

extern struct mem_chunk memory_chunk[];
extern unsigned long real_memory_size;
extern int memory_end_set;
extern unsigned long memory_end;

void detect_memory_layout(struct mem_chunk chunk[]);

#define PRIMARY_SPACE_MODE	0
#define ACCESS_REGISTER_MODE	1
#define SECONDARY_SPACE_MODE	2
#define HOME_SPACE_MODE		3

extern unsigned int user_mode;

/*
 * Machine features detected in head.S
 */

#define MACHINE_FLAG_VM		(1UL << 0)
#define MACHINE_FLAG_IEEE	(1UL << 1)
#define MACHINE_FLAG_CSP	(1UL << 3)
#define MACHINE_FLAG_MVPG	(1UL << 4)
#define MACHINE_FLAG_DIAG44	(1UL << 5)
#define MACHINE_FLAG_IDTE	(1UL << 6)
#define MACHINE_FLAG_DIAG9C	(1UL << 7)
#define MACHINE_FLAG_MVCOS	(1UL << 8)
#define MACHINE_FLAG_KVM	(1UL << 9)
#define MACHINE_FLAG_HPAGE	(1UL << 10)
#define MACHINE_FLAG_PFMF	(1UL << 11)
#define MACHINE_FLAG_LPAR	(1UL << 12)
#define MACHINE_FLAG_SPP	(1UL << 13)
#define MACHINE_FLAG_TOPOLOGY	(1UL << 14)

#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)

#ifndef __s390x__
#define MACHINE_HAS_IEEE	(S390_lowcore.machine_flags & MACHINE_FLAG_IEEE)
#define MACHINE_HAS_CSP		(S390_lowcore.machine_flags & MACHINE_FLAG_CSP)
#define MACHINE_HAS_IDTE	(0)
#define MACHINE_HAS_DIAG44	(1)
#define MACHINE_HAS_MVPG	(S390_lowcore.machine_flags & MACHINE_FLAG_MVPG)
#define MACHINE_HAS_MVCOS	(0)
#define MACHINE_HAS_HPAGE	(0)
#define MACHINE_HAS_PFMF	(0)
#define MACHINE_HAS_SPP		(0)
#define MACHINE_HAS_TOPOLOGY	(0)
#else /* __s390x__ */
#define MACHINE_HAS_IEEE	(1)
#define MACHINE_HAS_CSP		(1)
#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_MVPG	(1)
#define MACHINE_HAS_MVCOS	(S390_lowcore.machine_flags & MACHINE_FLAG_MVCOS)
#define MACHINE_HAS_HPAGE	(S390_lowcore.machine_flags & MACHINE_FLAG_HPAGE)
#define MACHINE_HAS_PFMF	(S390_lowcore.machine_flags & MACHINE_FLAG_PFMF)
#define MACHINE_HAS_SPP		(S390_lowcore.machine_flags & MACHINE_FLAG_SPP)
#define MACHINE_HAS_TOPOLOGY	(S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY)
#endif /* __s390x__ */

#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
cd3b70f5	5	* Copyright IBM Corp. 1999,2010
1da177e4 LT	6	*/
	7
	8	#ifndef _ASM_S390_SETUP_H
	9	#define _ASM_S390_SETUP_H
	10
684d2fd4	11	#define COMMAND_LINE_SIZE 4096
a0443fbb HB	12
a0443fbb HB	13	#define ARCH_COMMAND_LINE_SIZE 896
7d1362c0	14
0defa3c1 HC	15	#ifdef __KERNEL__
0defa3c1 HC	16
1da177e4	17	#define PARMAREA 0x10400
23d17421	18	#define MEMORY_CHUNKS 256
1da177e4 LT	19
	20	#ifndef __ASSEMBLY__
	21
cbb870c8 HC	22	#include <asm/lowcore.h>
	23	#include <asm/types.h>
	24
1da177e4 LT	25	#ifndef __s390x__
	26	#define IPL_DEVICE ((unsigned long ) (0x10404))
	27	#define INITRD_START ((unsigned long ) (0x1040C))
	28	#define INITRD_SIZE ((unsigned long ) (0x10414))
	29	#else /* __s390x__ */
	30	#define IPL_DEVICE ((unsigned long ) (0x10400))
	31	#define INITRD_START ((unsigned long ) (0x10408))
	32	#define INITRD_SIZE ((unsigned long ) (0x10410))
	33	#endif /* __s390x__ */
	34	#define COMMAND_LINE ((char *) (0x10480))
	35
36a2bd42 HC	36	#define CHUNK_READ_WRITE 0
	37	#define CHUNK_READ_ONLY 1
	38
	39	struct mem_chunk {
	40	unsigned long addr;
	41	unsigned long size;
23d17421	42	int type;
36a2bd42 HC	43	};
	44
	45	extern struct mem_chunk memory_chunk[];
411ed322	46	extern unsigned long real_memory_size;
23d75d9c HC	47	extern int memory_end_set;
23d75d9c HC	48	extern unsigned long memory_end;
36a2bd42	49
23d17421 HC	50	void detect_memory_layout(struct mem_chunk chunk[]);
23d17421 HC	51
b11b5334 MS	52	#define PRIMARY_SPACE_MODE 0
	53	#define ACCESS_REGISTER_MODE 1
	54	#define SECONDARY_SPACE_MODE 2
	55	#define HOME_SPACE_MODE 3
	56
	57	extern unsigned int user_mode;
c1821c2e	58
1da177e4 LT	59	/*
	60	* Machine features detected in head.S
	61	*/
1da177e4	62
2e5061e4 HC	63	#define MACHINE_FLAG_VM (1UL << 0)
2e5061e4 HC	64	#define MACHINE_FLAG_IEEE (1UL << 1)
2e5061e4 HC	65	#define MACHINE_FLAG_CSP (1UL << 3)
	66	#define MACHINE_FLAG_MVPG (1UL << 4)
	67	#define MACHINE_FLAG_DIAG44 (1UL << 5)
	68	#define MACHINE_FLAG_IDTE (1UL << 6)
	69	#define MACHINE_FLAG_DIAG9C (1UL << 7)
	70	#define MACHINE_FLAG_MVCOS (1UL << 8)
	71	#define MACHINE_FLAG_KVM (1UL << 9)
53492b1d GS	72	#define MACHINE_FLAG_HPAGE (1UL << 10)
53492b1d GS	73	#define MACHINE_FLAG_PFMF (1UL << 11)
27d71602	74	#define MACHINE_FLAG_LPAR (1UL << 12)
cd3b70f5	75	#define MACHINE_FLAG_SPP (1UL << 13)
9186d7a9	76	#define MACHINE_FLAG_TOPOLOGY (1UL << 14)
2e5061e4	77
25097bf1 CE	78	#define MACHINE_IS_VM (S390_lowcore.machine_flags & MACHINE_FLAG_VM)
25097bf1 CE	79	#define MACHINE_IS_KVM (S390_lowcore.machine_flags & MACHINE_FLAG_KVM)
27d71602 MS	80	#define MACHINE_IS_LPAR (S390_lowcore.machine_flags & MACHINE_FLAG_LPAR)
27d71602 MS	81
25097bf1	82	#define MACHINE_HAS_DIAG9C (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG9C)
1da177e4 LT	83
1da177e4 LT	84	#ifndef __s390x__
25097bf1 CE	85	#define MACHINE_HAS_IEEE (S390_lowcore.machine_flags & MACHINE_FLAG_IEEE)
25097bf1 CE	86	#define MACHINE_HAS_CSP (S390_lowcore.machine_flags & MACHINE_FLAG_CSP)
2e5061e4	87	#define MACHINE_HAS_IDTE (0)
abdba61a	88	#define MACHINE_HAS_DIAG44 (1)
25097bf1	89	#define MACHINE_HAS_MVPG (S390_lowcore.machine_flags & MACHINE_FLAG_MVPG)
6c2a9e6d	90	#define MACHINE_HAS_MVCOS (0)
53492b1d GS	91	#define MACHINE_HAS_HPAGE (0)
53492b1d GS	92	#define MACHINE_HAS_PFMF (0)
cd3b70f5	93	#define MACHINE_HAS_SPP (0)
9186d7a9	94	#define MACHINE_HAS_TOPOLOGY (0)
1da177e4 LT	95	#else /* __s390x__ */
	96	#define MACHINE_HAS_IEEE (1)
	97	#define MACHINE_HAS_CSP (1)
25097bf1 CE	98	#define MACHINE_HAS_IDTE (S390_lowcore.machine_flags & MACHINE_FLAG_IDTE)
25097bf1 CE	99	#define MACHINE_HAS_DIAG44 (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG44)
2e5061e4	100	#define MACHINE_HAS_MVPG (1)
25097bf1 CE	101	#define MACHINE_HAS_MVCOS (S390_lowcore.machine_flags & MACHINE_FLAG_MVCOS)
	102	#define MACHINE_HAS_HPAGE (S390_lowcore.machine_flags & MACHINE_FLAG_HPAGE)
	103	#define MACHINE_HAS_PFMF (S390_lowcore.machine_flags & MACHINE_FLAG_PFMF)
cd3b70f5	104	#define MACHINE_HAS_SPP (S390_lowcore.machine_flags & MACHINE_FLAG_SPP)
9186d7a9	105	#define MACHINE_HAS_TOPOLOGY (S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY)
1da177e4 LT	106	#endif /* __s390x__ */
1da177e4 LT	107
411ed322	108	#define ZFCPDUMP_HSA_SIZE (32UL<<20)
1da177e4 LT	109
	110	/*
	111	* Console mode. Override with conmode=
	112	*/
	113	extern unsigned int console_mode;
	114	extern unsigned int console_devno;
	115	extern unsigned int console_irq;
	116
2b67fc46 HC	117	extern char vmhalt_cmd[];
	118	extern char vmpoff_cmd[];
	119
1da177e4 LT	120	#define CONSOLE_IS_UNDEFINED (console_mode == 0)
	121	#define CONSOLE_IS_SCLP (console_mode == 1)
	122	#define CONSOLE_IS_3215 (console_mode == 2)
	123	#define CONSOLE_IS_3270 (console_mode == 3)
	124	#define SET_CONSOLE_SCLP do { console_mode = 1; } while (0)
	125	#define SET_CONSOLE_3215 do { console_mode = 2; } while (0)
	126	#define SET_CONSOLE_3270 do { console_mode = 3; } while (0)
	127
fe355b7f	128	#define NSS_NAME_SIZE 8
fe355b7f HY	129	extern char kernel_nss_name[];
fe355b7f HY	130
0defa3c1	131	#else /* __ASSEMBLY__ */
1da177e4 LT	132
	133	#ifndef __s390x__
	134	#define IPL_DEVICE 0x10404
	135	#define INITRD_START 0x1040C
	136	#define INITRD_SIZE 0x10414
	137	#else /* __s390x__ */
	138	#define IPL_DEVICE 0x10400
	139	#define INITRD_START 0x10408
	140	#define INITRD_SIZE 0x10410
	141	#endif /* __s390x__ */
	142	#define COMMAND_LINE 0x10480
	143
0defa3c1 HC	144	#endif /* __ASSEMBLY__ */
	145	#endif /* __KERNEL__ */
	146	#endif /* _ASM_S390_SETUP_H */