[linux-2.6-block.git] / arch / powerpc / include / asm / firmware.h

/*
 *  Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org)
 *
 *  Modifications for ppc64:
 *      Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com>
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  as published by the Free Software Foundation; either version
 *  2 of the License, or (at your option) any later version.
 */
#ifndef __ASM_POWERPC_FIRMWARE_H
#define __ASM_POWERPC_FIRMWARE_H

#ifdef __KERNEL__

#include <asm/asm-compat.h>
#include <asm/feature-fixups.h>

/* firmware feature bitmask values */

#define FW_FEATURE_PFT		ASM_CONST(0x0000000000000001)
#define FW_FEATURE_TCE		ASM_CONST(0x0000000000000002)
#define FW_FEATURE_SPRG0	ASM_CONST(0x0000000000000004)
#define FW_FEATURE_DABR		ASM_CONST(0x0000000000000008)
#define FW_FEATURE_COPY		ASM_CONST(0x0000000000000010)
#define FW_FEATURE_ASR		ASM_CONST(0x0000000000000020)
#define FW_FEATURE_DEBUG	ASM_CONST(0x0000000000000040)
#define FW_FEATURE_TERM		ASM_CONST(0x0000000000000080)
#define FW_FEATURE_PERF		ASM_CONST(0x0000000000000100)
#define FW_FEATURE_DUMP		ASM_CONST(0x0000000000000200)
#define FW_FEATURE_INTERRUPT	ASM_CONST(0x0000000000000400)
#define FW_FEATURE_MIGRATE	ASM_CONST(0x0000000000000800)
#define FW_FEATURE_PERFMON	ASM_CONST(0x0000000000001000)
#define FW_FEATURE_CRQ		ASM_CONST(0x0000000000002000)
#define FW_FEATURE_VIO		ASM_CONST(0x0000000000004000)
#define FW_FEATURE_RDMA		ASM_CONST(0x0000000000008000)
#define FW_FEATURE_LLAN		ASM_CONST(0x0000000000010000)
#define FW_FEATURE_BULK_REMOVE	ASM_CONST(0x0000000000020000)
#define FW_FEATURE_XDABR	ASM_CONST(0x0000000000040000)
#define FW_FEATURE_MULTITCE	ASM_CONST(0x0000000000080000)
#define FW_FEATURE_SPLPAR	ASM_CONST(0x0000000000100000)
#define FW_FEATURE_LPAR		ASM_CONST(0x0000000000400000)
#define FW_FEATURE_PS3_LV1	ASM_CONST(0x0000000000800000)
#define FW_FEATURE_HPT_RESIZE	ASM_CONST(0x0000000001000000)
#define FW_FEATURE_CMO		ASM_CONST(0x0000000002000000)
#define FW_FEATURE_VPHN		ASM_CONST(0x0000000004000000)
#define FW_FEATURE_XCMO		ASM_CONST(0x0000000008000000)
#define FW_FEATURE_OPAL		ASM_CONST(0x0000000010000000)
#define FW_FEATURE_SET_MODE	ASM_CONST(0x0000000040000000)
#define FW_FEATURE_BEST_ENERGY	ASM_CONST(0x0000000080000000)
#define FW_FEATURE_TYPE1_AFFINITY ASM_CONST(0x0000000100000000)
#define FW_FEATURE_PRRN		ASM_CONST(0x0000000200000000)

#ifndef __ASSEMBLY__

enum {
#ifdef CONFIG_PPC64
	FW_FEATURE_PSERIES_POSSIBLE = FW_FEATURE_PFT | FW_FEATURE_TCE |
		FW_FEATURE_SPRG0 | FW_FEATURE_DABR | FW_FEATURE_COPY |
		FW_FEATURE_ASR | FW_FEATURE_DEBUG | FW_FEATURE_TERM |
		FW_FEATURE_PERF | FW_FEATURE_DUMP | FW_FEATURE_INTERRUPT |
		FW_FEATURE_MIGRATE | FW_FEATURE_PERFMON | FW_FEATURE_CRQ |
		FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN |
		FW_FEATURE_BULK_REMOVE | FW_FEATURE_XDABR |
		FW_FEATURE_MULTITCE | FW_FEATURE_SPLPAR | FW_FEATURE_LPAR |
		FW_FEATURE_CMO | FW_FEATURE_VPHN | FW_FEATURE_XCMO |
		FW_FEATURE_SET_MODE | FW_FEATURE_BEST_ENERGY |
		FW_FEATURE_TYPE1_AFFINITY | FW_FEATURE_PRRN |
		FW_FEATURE_HPT_RESIZE,
	FW_FEATURE_PSERIES_ALWAYS = 0,
	FW_FEATURE_POWERNV_POSSIBLE = FW_FEATURE_OPAL,
	FW_FEATURE_POWERNV_ALWAYS = 0,
	FW_FEATURE_PS3_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1,
	FW_FEATURE_PS3_ALWAYS = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1,
	FW_FEATURE_NATIVE_POSSIBLE = 0,
	FW_FEATURE_NATIVE_ALWAYS = 0,
	FW_FEATURE_POSSIBLE =
#ifdef CONFIG_PPC_PSERIES
		FW_FEATURE_PSERIES_POSSIBLE |
#endif
#ifdef CONFIG_PPC_POWERNV
		FW_FEATURE_POWERNV_POSSIBLE |
#endif
#ifdef CONFIG_PPC_PS3
		FW_FEATURE_PS3_POSSIBLE |
#endif
#ifdef CONFIG_PPC_NATIVE
		FW_FEATURE_NATIVE_ALWAYS |
#endif
		0,
	FW_FEATURE_ALWAYS =
#ifdef CONFIG_PPC_PSERIES
		FW_FEATURE_PSERIES_ALWAYS &
#endif
#ifdef CONFIG_PPC_POWERNV
		FW_FEATURE_POWERNV_ALWAYS &
#endif
#ifdef CONFIG_PPC_PS3
		FW_FEATURE_PS3_ALWAYS &
#endif
#ifdef CONFIG_PPC_NATIVE
		FW_FEATURE_NATIVE_ALWAYS &
#endif
		FW_FEATURE_POSSIBLE,

#else /* CONFIG_PPC64 */
	FW_FEATURE_POSSIBLE = 0,
	FW_FEATURE_ALWAYS = 0,
#endif
};

/* This is used to identify firmware features which are available
 * to the kernel.
 */
extern unsigned long	powerpc_firmware_features;

#define firmware_has_feature(feature)					\
	((FW_FEATURE_ALWAYS & (feature)) ||				\
		(FW_FEATURE_POSSIBLE & powerpc_firmware_features & (feature)))

extern void system_reset_fwnmi(void);
extern void machine_check_fwnmi(void);

/* This is true if we are using the firmware NMI handler (typically LPAR) */
extern int fwnmi_active;

extern unsigned int __start___fw_ftr_fixup, __stop___fw_ftr_fixup;

#ifdef CONFIG_PPC_PSERIES
void pseries_probe_fw_features(void);
#else
static inline void pseries_probe_fw_features(void) { };
#endif

#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */
#endif /* __ASM_POWERPC_FIRMWARE_H */
Commit	Line	Data
	1	/*
	2	* Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org)
	3	*
	4	* Modifications for ppc64:
	5	* Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com>
	6	*
	7	* This program is free software; you can redistribute it and/or
	8	* modify it under the terms of the GNU General Public License
	9	* as published by the Free Software Foundation; either version
	10	* 2 of the License, or (at your option) any later version.
	11	*/
	12	#ifndef __ASM_POWERPC_FIRMWARE_H
	13	#define __ASM_POWERPC_FIRMWARE_H
	14
	15	#ifdef __KERNEL__
	16
	17	#include <asm/asm-compat.h>
	18	#include <asm/feature-fixups.h>
	19
	20	/* firmware feature bitmask values */
	21
	22	#define FW_FEATURE_PFT ASM_CONST(0x0000000000000001)
	23	#define FW_FEATURE_TCE ASM_CONST(0x0000000000000002)
	24	#define FW_FEATURE_SPRG0 ASM_CONST(0x0000000000000004)
	25	#define FW_FEATURE_DABR ASM_CONST(0x0000000000000008)
	26	#define FW_FEATURE_COPY ASM_CONST(0x0000000000000010)
	27	#define FW_FEATURE_ASR ASM_CONST(0x0000000000000020)
	28	#define FW_FEATURE_DEBUG ASM_CONST(0x0000000000000040)
	29	#define FW_FEATURE_TERM ASM_CONST(0x0000000000000080)
	30	#define FW_FEATURE_PERF ASM_CONST(0x0000000000000100)
	31	#define FW_FEATURE_DUMP ASM_CONST(0x0000000000000200)
	32	#define FW_FEATURE_INTERRUPT ASM_CONST(0x0000000000000400)
	33	#define FW_FEATURE_MIGRATE ASM_CONST(0x0000000000000800)
	34	#define FW_FEATURE_PERFMON ASM_CONST(0x0000000000001000)
	35	#define FW_FEATURE_CRQ ASM_CONST(0x0000000000002000)
	36	#define FW_FEATURE_VIO ASM_CONST(0x0000000000004000)
	37	#define FW_FEATURE_RDMA ASM_CONST(0x0000000000008000)
	38	#define FW_FEATURE_LLAN ASM_CONST(0x0000000000010000)
	39	#define FW_FEATURE_BULK_REMOVE ASM_CONST(0x0000000000020000)
	40	#define FW_FEATURE_XDABR ASM_CONST(0x0000000000040000)
	41	#define FW_FEATURE_MULTITCE ASM_CONST(0x0000000000080000)
	42	#define FW_FEATURE_SPLPAR ASM_CONST(0x0000000000100000)
	43	#define FW_FEATURE_LPAR ASM_CONST(0x0000000000400000)
	44	#define FW_FEATURE_PS3_LV1 ASM_CONST(0x0000000000800000)
	45	#define FW_FEATURE_HPT_RESIZE ASM_CONST(0x0000000001000000)
	46	#define FW_FEATURE_CMO ASM_CONST(0x0000000002000000)
	47	#define FW_FEATURE_VPHN ASM_CONST(0x0000000004000000)
	48	#define FW_FEATURE_XCMO ASM_CONST(0x0000000008000000)
	49	#define FW_FEATURE_OPAL ASM_CONST(0x0000000010000000)
	50	#define FW_FEATURE_SET_MODE ASM_CONST(0x0000000040000000)
	51	#define FW_FEATURE_BEST_ENERGY ASM_CONST(0x0000000080000000)
	52	#define FW_FEATURE_TYPE1_AFFINITY ASM_CONST(0x0000000100000000)
	53	#define FW_FEATURE_PRRN ASM_CONST(0x0000000200000000)
	54
	55	#ifndef __ASSEMBLY__
	56
	57	enum {
	58	#ifdef CONFIG_PPC64
	59	FW_FEATURE_PSERIES_POSSIBLE = FW_FEATURE_PFT \| FW_FEATURE_TCE \|
	60	FW_FEATURE_SPRG0 \| FW_FEATURE_DABR \| FW_FEATURE_COPY \|
	61	FW_FEATURE_ASR \| FW_FEATURE_DEBUG \| FW_FEATURE_TERM \|
	62	FW_FEATURE_PERF \| FW_FEATURE_DUMP \| FW_FEATURE_INTERRUPT \|
	63	FW_FEATURE_MIGRATE \| FW_FEATURE_PERFMON \| FW_FEATURE_CRQ \|
	64	FW_FEATURE_VIO \| FW_FEATURE_RDMA \| FW_FEATURE_LLAN \|
	65	FW_FEATURE_BULK_REMOVE \| FW_FEATURE_XDABR \|
	66	FW_FEATURE_MULTITCE \| FW_FEATURE_SPLPAR \| FW_FEATURE_LPAR \|
	67	FW_FEATURE_CMO \| FW_FEATURE_VPHN \| FW_FEATURE_XCMO \|
	68	FW_FEATURE_SET_MODE \| FW_FEATURE_BEST_ENERGY \|
	69	FW_FEATURE_TYPE1_AFFINITY \| FW_FEATURE_PRRN \|
	70	FW_FEATURE_HPT_RESIZE,
	71	FW_FEATURE_PSERIES_ALWAYS = 0,
	72	FW_FEATURE_POWERNV_POSSIBLE = FW_FEATURE_OPAL,
	73	FW_FEATURE_POWERNV_ALWAYS = 0,
	74	FW_FEATURE_PS3_POSSIBLE = FW_FEATURE_LPAR \| FW_FEATURE_PS3_LV1,
	75	FW_FEATURE_PS3_ALWAYS = FW_FEATURE_LPAR \| FW_FEATURE_PS3_LV1,
	76	FW_FEATURE_NATIVE_POSSIBLE = 0,
	77	FW_FEATURE_NATIVE_ALWAYS = 0,
	78	FW_FEATURE_POSSIBLE =
	79	#ifdef CONFIG_PPC_PSERIES
	80	FW_FEATURE_PSERIES_POSSIBLE \|
	81	#endif
	82	#ifdef CONFIG_PPC_POWERNV
	83	FW_FEATURE_POWERNV_POSSIBLE \|
	84	#endif
	85	#ifdef CONFIG_PPC_PS3
	86	FW_FEATURE_PS3_POSSIBLE \|
	87	#endif
	88	#ifdef CONFIG_PPC_NATIVE
	89	FW_FEATURE_NATIVE_ALWAYS \|
	90	#endif
	91	0,
	92	FW_FEATURE_ALWAYS =
	93	#ifdef CONFIG_PPC_PSERIES
	94	FW_FEATURE_PSERIES_ALWAYS &
	95	#endif
	96	#ifdef CONFIG_PPC_POWERNV
	97	FW_FEATURE_POWERNV_ALWAYS &
	98	#endif
	99	#ifdef CONFIG_PPC_PS3
	100	FW_FEATURE_PS3_ALWAYS &
	101	#endif
	102	#ifdef CONFIG_PPC_NATIVE
	103	FW_FEATURE_NATIVE_ALWAYS &
	104	#endif
	105	FW_FEATURE_POSSIBLE,
	106
	107	#else /* CONFIG_PPC64 */
	108	FW_FEATURE_POSSIBLE = 0,
	109	FW_FEATURE_ALWAYS = 0,
	110	#endif
	111	};
	112
	113	/* This is used to identify firmware features which are available
	114	* to the kernel.
	115	*/
	116	extern unsigned long powerpc_firmware_features;
	117
	118	#define firmware_has_feature(feature) \
	119	((FW_FEATURE_ALWAYS & (feature)) \|\| \
	120	(FW_FEATURE_POSSIBLE & powerpc_firmware_features & (feature)))
	121
	122	extern void system_reset_fwnmi(void);
	123	extern void machine_check_fwnmi(void);
	124
	125	/* This is true if we are using the firmware NMI handler (typically LPAR) */
	126	extern int fwnmi_active;
	127
	128	extern unsigned int __start___fw_ftr_fixup, __stop___fw_ftr_fixup;
	129
	130	#ifdef CONFIG_PPC_PSERIES
	131	void pseries_probe_fw_features(void);
	132	#else
	133	static inline void pseries_probe_fw_features(void) { };
	134	#endif
	135
	136	#endif /* __ASSEMBLY__ */
	137	#endif /* __KERNEL__ */
	138	#endif /* __ASM_POWERPC_FIRMWARE_H */