[deliverable/linux.git] / include / linux / acpi.h

/*
 * acpi.h - ACPI Interface
 *
 * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 */

#ifndef _LINUX_ACPI_H
#define _LINUX_ACPI_H

#ifndef _LINUX
#define _LINUX
#endif

#include <linux/list.h>

#include <acpi/acpi.h>
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
#include <asm/acpi.h>


#ifdef CONFIG_ACPI_BOOT

enum acpi_irq_model_id {
	ACPI_IRQ_MODEL_PIC = 0,
	ACPI_IRQ_MODEL_IOAPIC,
	ACPI_IRQ_MODEL_IOSAPIC,
	ACPI_IRQ_MODEL_COUNT
};

extern enum acpi_irq_model_id	acpi_irq_model;


/* Root System Description Pointer (RSDP) */

struct acpi_table_rsdp {
	char			signature[8];
	u8			checksum;
	char			oem_id[6];
	u8			revision;
	u32			rsdt_address;
} __attribute__ ((packed));

struct acpi20_table_rsdp {
	char			signature[8];
	u8			checksum;
	char			oem_id[6];
	u8			revision;
	u32			rsdt_address;
	u32			length;
	u64			xsdt_address;
	u8			ext_checksum;
	u8			reserved[3];
} __attribute__ ((packed));

typedef struct {
	u8			type;
	u8			length;
} __attribute__ ((packed)) acpi_table_entry_header;

/* Root System Description Table (RSDT) */

struct acpi_table_rsdt {
	struct acpi_table_header header;
	u32			entry[8];
} __attribute__ ((packed));

/* Extended System Description Table (XSDT) */

struct acpi_table_xsdt {
	struct acpi_table_header header;
	u64			entry[1];
} __attribute__ ((packed));

/* Fixed ACPI Description Table (FADT) */

struct acpi_table_fadt {
	struct acpi_table_header header;
	u32 facs_addr;
	u32 dsdt_addr;
	/* ... */
} __attribute__ ((packed));

/* Multiple APIC Description Table (MADT) */

struct acpi_table_madt {
	struct acpi_table_header header;
	u32			lapic_address;
	struct {
		u32			pcat_compat:1;
		u32			reserved:31;
	}			flags;
} __attribute__ ((packed));

enum acpi_madt_entry_id {
	ACPI_MADT_LAPIC = 0,
	ACPI_MADT_IOAPIC,
	ACPI_MADT_INT_SRC_OVR,
	ACPI_MADT_NMI_SRC,
	ACPI_MADT_LAPIC_NMI,
	ACPI_MADT_LAPIC_ADDR_OVR,
	ACPI_MADT_IOSAPIC,
	ACPI_MADT_LSAPIC,
	ACPI_MADT_PLAT_INT_SRC,
	ACPI_MADT_ENTRY_COUNT
};

typedef struct {
	u16			polarity:2;
	u16			trigger:2;
	u16			reserved:12;
} __attribute__ ((packed)) acpi_interrupt_flags;

struct acpi_table_lapic {
	acpi_table_entry_header	header;
	u8			acpi_id;
	u8			id;
	struct {
		u32			enabled:1;
		u32			reserved:31;
	}			flags;
} __attribute__ ((packed));

struct acpi_table_ioapic {
	acpi_table_entry_header	header;
	u8			id;
	u8			reserved;
	u32			address;
	u32			global_irq_base;
} __attribute__ ((packed));

struct acpi_table_int_src_ovr {
	acpi_table_entry_header	header;
	u8			bus;
	u8			bus_irq;
	u32			global_irq;
	acpi_interrupt_flags	flags;
} __attribute__ ((packed));

struct acpi_table_nmi_src {
	acpi_table_entry_header	header;
	acpi_interrupt_flags	flags;
	u32			global_irq;
} __attribute__ ((packed));

struct acpi_table_lapic_nmi {
	acpi_table_entry_header	header;
	u8			acpi_id;
	acpi_interrupt_flags	flags;
	u8			lint;
} __attribute__ ((packed));

struct acpi_table_lapic_addr_ovr {
	acpi_table_entry_header	header;
	u8			reserved[2];
	u64			address;
} __attribute__ ((packed));

struct acpi_table_iosapic {
	acpi_table_entry_header	header;
	u8			id;
	u8			reserved;
	u32			global_irq_base;
	u64			address;
} __attribute__ ((packed));

struct acpi_table_lsapic {
	acpi_table_entry_header	header;
	u8			acpi_id;
	u8			id;
	u8			eid;
	u8			reserved[3];
	struct {
		u32			enabled:1;
		u32			reserved:31;
	}			flags;
} __attribute__ ((packed));

struct acpi_table_plat_int_src {
	acpi_table_entry_header	header;
	acpi_interrupt_flags	flags;
	u8			type;	/* See acpi_interrupt_type */
	u8			id;
	u8			eid;
	u8			iosapic_vector;
	u32			global_irq;
	u32			reserved;
} __attribute__ ((packed));

enum acpi_interrupt_id {
	ACPI_INTERRUPT_PMI	= 1,
	ACPI_INTERRUPT_INIT,
	ACPI_INTERRUPT_CPEI,
	ACPI_INTERRUPT_COUNT
};

#define	ACPI_SPACE_MEM		0

struct acpi_gen_regaddr {
	u8  space_id;
	u8  bit_width;
	u8  bit_offset;
	u8  resv;
	u32 addrl;
	u32 addrh;
} __attribute__ ((packed));

struct acpi_table_hpet {
	struct acpi_table_header header;
	u32 id;
	struct acpi_gen_regaddr addr;
	u8 number;
	u16 min_tick;
	u8 page_protect;
} __attribute__ ((packed));

/*
 * Simple Boot Flags
 * http://www.microsoft.com/whdc/hwdev/resources/specs/simp_bios.mspx
 */
struct acpi_table_sbf
{
	u8 sbf_signature[4];
	u32 sbf_len;
	u8 sbf_revision;
	u8 sbf_csum;
	u8 sbf_oemid[6];
	u8 sbf_oemtable[8];
	u8 sbf_revdata[4];
	u8 sbf_creator[4];
	u8 sbf_crearev[4];
	u8 sbf_cmos;
	u8 sbf_spare[3];
} __attribute__ ((packed));

/*
 * System Resource Affinity Table (SRAT)
 * http://www.microsoft.com/whdc/hwdev/platform/proc/SRAT.mspx
 */

struct acpi_table_srat {
	struct acpi_table_header header;
	u32			table_revision;
	u64			reserved;
} __attribute__ ((packed));

enum acpi_srat_entry_id {
	ACPI_SRAT_PROCESSOR_AFFINITY = 0,
	ACPI_SRAT_MEMORY_AFFINITY,
	ACPI_SRAT_ENTRY_COUNT
};

struct acpi_table_processor_affinity {
	acpi_table_entry_header	header;
	u8			proximity_domain;
	u8			apic_id;
	struct {
		u32			enabled:1;
		u32			reserved:31;
	}			flags;
	u8			lsapic_eid;
	u8			reserved[7];
} __attribute__ ((packed));

struct acpi_table_memory_affinity {
	acpi_table_entry_header	header;
	u8			proximity_domain;
	u8			reserved1[5];
	u32			base_addr_lo;
	u32			base_addr_hi;
	u32			length_lo;
	u32			length_hi;
	u32			memory_type;	/* See acpi_address_range_id */
	struct {
		u32			enabled:1;
		u32			hot_pluggable:1;
		u32			reserved:30;
	}			flags;
	u64			reserved2;
} __attribute__ ((packed));

enum acpi_address_range_id {
	ACPI_ADDRESS_RANGE_MEMORY = 1,
	ACPI_ADDRESS_RANGE_RESERVED = 2,
	ACPI_ADDRESS_RANGE_ACPI = 3,
	ACPI_ADDRESS_RANGE_NVS	= 4,
	ACPI_ADDRESS_RANGE_COUNT
};

/*
 * System Locality Information Table (SLIT)
 *   see http://devresource.hp.com/devresource/docs/techpapers/ia64/slit.pdf
 */

struct acpi_table_slit {
	struct acpi_table_header header;
	u64			localities;
	u8			entry[1];	/* real size = localities^2 */
} __attribute__ ((packed));

/* Smart Battery Description Table (SBST) */

struct acpi_table_sbst {
	struct acpi_table_header header;
	u32			warning;	/* Warn user */
	u32			low;		/* Critical sleep */
	u32			critical;	/* Critical shutdown */
} __attribute__ ((packed));

/* Embedded Controller Boot Resources Table (ECDT) */

struct acpi_table_ecdt {
	struct acpi_table_header 	header;
	struct acpi_generic_address	ec_control;
	struct acpi_generic_address	ec_data;
	u32				uid;
	u8				gpe_bit;
	char				ec_id[0];
} __attribute__ ((packed));

/* PCI MMCONFIG */

struct acpi_table_mcfg {
	struct acpi_table_header	header;
	u8				reserved[8];
	u32				base_address;
	u32				base_reserved;
} __attribute__ ((packed));

/* Table Handlers */

enum acpi_table_id {
	ACPI_TABLE_UNKNOWN = 0,
	ACPI_APIC,
	ACPI_BOOT,
	ACPI_DBGP,
	ACPI_DSDT,
	ACPI_ECDT,
	ACPI_ETDT,
	ACPI_FADT,
	ACPI_FACS,
	ACPI_OEMX,
	ACPI_PSDT,
	ACPI_SBST,
	ACPI_SLIT,
	ACPI_SPCR,
	ACPI_SRAT,
	ACPI_SSDT,
	ACPI_SPMI,
	ACPI_HPET,
	ACPI_MCFG,
	ACPI_TABLE_COUNT
};

typedef int (*acpi_table_handler) (unsigned long phys_addr, unsigned long size);

extern acpi_table_handler acpi_table_ops[ACPI_TABLE_COUNT];

typedef int (*acpi_madt_entry_handler) (acpi_table_entry_header *header, const unsigned long end);

char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
unsigned long acpi_find_rsdp (void);
int acpi_boot_init (void);
int acpi_boot_table_init (void);
int acpi_numa_init (void);

int acpi_table_init (void);
int acpi_table_parse (enum acpi_table_id id, acpi_table_handler handler);
int acpi_get_table_header_early (enum acpi_table_id id, struct acpi_table_header **header);
int acpi_table_parse_madt (enum acpi_madt_entry_id id, acpi_madt_entry_handler handler, unsigned int max_entries);
int acpi_table_parse_srat (enum acpi_srat_entry_id id, acpi_madt_entry_handler handler, unsigned int max_entries);
void acpi_table_print (struct acpi_table_header *header, unsigned long phys_addr);
void acpi_table_print_madt_entry (acpi_table_entry_header *madt);
void acpi_table_print_srat_entry (acpi_table_entry_header *srat);

/* the following four functions are architecture-dependent */
void acpi_numa_slit_init (struct acpi_table_slit *slit);
void acpi_numa_processor_affinity_init (struct acpi_table_processor_affinity *pa);
void acpi_numa_memory_affinity_init (struct acpi_table_memory_affinity *ma);
void acpi_numa_arch_fixup(void);

#ifdef CONFIG_ACPI_HOTPLUG_CPU
/* Arch dependent functions for cpu hotplug support */
int acpi_map_lsapic(acpi_handle handle, int *pcpu);
int acpi_unmap_lsapic(int cpu);
#endif /* CONFIG_ACPI_HOTPLUG_CPU */

extern int acpi_mp_config;

extern u32 pci_mmcfg_base_addr;

extern int sbf_port ;

#else	/*!CONFIG_ACPI_BOOT*/

#define acpi_mp_config	0

static inline int acpi_boot_init(void)
{
	return 0;
}

static inline int acpi_boot_table_init(void)
{
	return 0;
}

#endif 	/*!CONFIG_ACPI_BOOT*/

unsigned int acpi_register_gsi (u32 gsi, int edge_level, int active_high_low);
int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);

/*
 * This function undoes the effect of one call to acpi_register_gsi().
 * If this matches the last registration, any IRQ resources for gsi
 * are freed.
 */
#ifdef CONFIG_ACPI_DEALLOCATE_IRQ
void acpi_unregister_gsi (u32 gsi);
#endif

#ifdef CONFIG_ACPI_PCI

struct acpi_prt_entry {
	struct list_head	node;
	struct acpi_pci_id	id;
	u8			pin;
	struct {
		acpi_handle		handle;
		u32			index;
	}			link;
	u32			irq;
};

struct acpi_prt_list {
	int			count;
	struct list_head	entries;
};

struct pci_dev;

int acpi_pci_irq_enable (struct pci_dev *dev);
void acpi_penalize_isa_irq(int irq);

#ifdef CONFIG_ACPI_DEALLOCATE_IRQ
void acpi_pci_irq_disable (struct pci_dev *dev);
#endif

struct acpi_pci_driver {
	struct acpi_pci_driver *next;
	int (*add)(acpi_handle handle);
	void (*remove)(acpi_handle handle);
};

int acpi_pci_register_driver(struct acpi_pci_driver *driver);
void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);

#endif /*CONFIG_ACPI_PCI*/

#ifdef CONFIG_ACPI_EC

extern int ec_read(u8 addr, u8 *val);
extern int ec_write(u8 addr, u8 val);

#endif /*CONFIG_ACPI_EC*/

#ifdef CONFIG_ACPI_INTERPRETER

extern int acpi_blacklisted(void);
extern void acpi_bios_year(char *s);

#else /*!CONFIG_ACPI_INTERPRETER*/

static inline int acpi_blacklisted(void)
{
	return 0;
}

#endif /*!CONFIG_ACPI_INTERPRETER*/

#define	ACPI_CSTATE_LIMIT_DEFINED	/* for driver builds */
#ifdef	CONFIG_ACPI

/*
 * Set highest legal C-state
 * 0: C0 okay, but not C1
 * 1: C1 okay, but not C2
 * 2: C2 okay, but not C3 etc.
 */

extern unsigned int max_cstate;

static inline unsigned int acpi_get_cstate_limit(void)
{
	return max_cstate;
}
static inline void acpi_set_cstate_limit(unsigned int new_limit)
{
	max_cstate = new_limit;
	return;
}
#else
static inline unsigned int acpi_get_cstate_limit(void) { return 0; }
static inline void acpi_set_cstate_limit(unsigned int new_limit) { return; }
#endif

#ifdef CONFIG_ACPI_NUMA
int acpi_get_pxm(acpi_handle handle);
#else
static inline int acpi_get_pxm(acpi_handle handle)
{
	return 0;
}
#endif

extern int pnpacpi_disabled;

#endif /*_LINUX_ACPI_H*/
Commit	Line	Data
1da177e4 LT	1	/*
	2	* acpi.h - ACPI Interface
	3	*
	4	* Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
	5	*
	6	* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
	7	*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License as published by
	10	* the Free Software Foundation; either version 2 of the License, or
	11	* (at your option) any later version.
	12	*
	13	* This program is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	* GNU General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with this program; if not, write to the Free Software
	20	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	21	*
	22	* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
	23	*/
	24
	25	#ifndef _LINUX_ACPI_H
	26	#define _LINUX_ACPI_H
	27
	28	#ifndef _LINUX
	29	#define _LINUX
	30	#endif
	31
	32	#include <linux/list.h>
	33
	34	#include <acpi/acpi.h>
	35	#include <acpi/acpi_bus.h>
	36	#include <acpi/acpi_drivers.h>
	37	#include <asm/acpi.h>
	38
	39
	40	#ifdef CONFIG_ACPI_BOOT
	41
	42	enum acpi_irq_model_id {
	43	ACPI_IRQ_MODEL_PIC = 0,
	44	ACPI_IRQ_MODEL_IOAPIC,
	45	ACPI_IRQ_MODEL_IOSAPIC,
	46	ACPI_IRQ_MODEL_COUNT
	47	};
	48
	49	extern enum acpi_irq_model_id acpi_irq_model;
	50
	51
	52	/* Root System Description Pointer (RSDP) */
	53
	54	struct acpi_table_rsdp {
	55	char signature[8];
	56	u8 checksum;
	57	char oem_id[6];
	58	u8 revision;
	59	u32 rsdt_address;
	60	} __attribute__ ((packed));
	61
	62	struct acpi20_table_rsdp {
	63	char signature[8];
	64	u8 checksum;
65	char oem_id[6];
66	u8 revision;
67	u32 rsdt_address;
68	u32 length;
69	u64 xsdt_address;
70	u8 ext_checksum;
71	u8 reserved[3];
72	} __attribute__ ((packed));
73
74	typedef struct {
75	u8 type;
76	u8 length;
77	} __attribute__ ((packed)) acpi_table_entry_header;
78
79	/* Root System Description Table (RSDT) */
80
81	struct acpi_table_rsdt {
82	struct acpi_table_header header;
83	u32 entry[8];
84	} __attribute__ ((packed));
85
86	/* Extended System Description Table (XSDT) */
87
88	struct acpi_table_xsdt {
89	struct acpi_table_header header;
90	u64 entry[1];
91	} __attribute__ ((packed));
92
93	/* Fixed ACPI Description Table (FADT) */
94
95	struct acpi_table_fadt {
96	struct acpi_table_header header;
97	u32 facs_addr;
98	u32 dsdt_addr;
99	/* ... */
100	} __attribute__ ((packed));
101
102	/* Multiple APIC Description Table (MADT) */
103
104	struct acpi_table_madt {
105	struct acpi_table_header header;
106	u32 lapic_address;
107	struct {
108	u32 pcat_compat:1;
109	u32 reserved:31;
110	} flags;
111	} __attribute__ ((packed));
112
113	enum acpi_madt_entry_id {
114	ACPI_MADT_LAPIC = 0,
115	ACPI_MADT_IOAPIC,
116	ACPI_MADT_INT_SRC_OVR,
117	ACPI_MADT_NMI_SRC,
118	ACPI_MADT_LAPIC_NMI,
119	ACPI_MADT_LAPIC_ADDR_OVR,
120	ACPI_MADT_IOSAPIC,
121	ACPI_MADT_LSAPIC,
122	ACPI_MADT_PLAT_INT_SRC,
123	ACPI_MADT_ENTRY_COUNT
124	};
125
126	typedef struct {
127	u16 polarity:2;
128	u16 trigger:2;
129	u16 reserved:12;
130	} __attribute__ ((packed)) acpi_interrupt_flags;
131
132	struct acpi_table_lapic {
133	acpi_table_entry_header header;
134	u8 acpi_id;
135	u8 id;
136	struct {
137	u32 enabled:1;
138	u32 reserved:31;
139	} flags;
140	} __attribute__ ((packed));
141
142	struct acpi_table_ioapic {
143	acpi_table_entry_header header;
144	u8 id;
145	u8 reserved;
146	u32 address;
147	u32 global_irq_base;
148	} __attribute__ ((packed));
149
150	struct acpi_table_int_src_ovr {
151	acpi_table_entry_header header;
152	u8 bus;
153	u8 bus_irq;
154	u32 global_irq;
155	acpi_interrupt_flags flags;
156	} __attribute__ ((packed));
157
158	struct acpi_table_nmi_src {
159	acpi_table_entry_header header;
160	acpi_interrupt_flags flags;
161	u32 global_irq;
162	} __attribute__ ((packed));
163
164	struct acpi_table_lapic_nmi {
165	acpi_table_entry_header header;
166	u8 acpi_id;
167	acpi_interrupt_flags flags;
168	u8 lint;
169	} __attribute__ ((packed));
170
171	struct acpi_table_lapic_addr_ovr {
172	acpi_table_entry_header header;
173	u8 reserved[2];
174	u64 address;
175	} __attribute__ ((packed));
176
177	struct acpi_table_iosapic {
178	acpi_table_entry_header header;
179	u8 id;
180	u8 reserved;
181	u32 global_irq_base;
182	u64 address;
183	} __attribute__ ((packed));
184
185	struct acpi_table_lsapic {
186	acpi_table_entry_header header;
187	u8 acpi_id;
188	u8 id;
189	u8 eid;
190	u8 reserved[3];
191	struct {
192	u32 enabled:1;
193	u32 reserved:31;
194	} flags;
195	} __attribute__ ((packed));
196
197	struct acpi_table_plat_int_src {
198	acpi_table_entry_header header;
199	acpi_interrupt_flags flags;
200	u8 type; /* See acpi_interrupt_type */
201	u8 id;
202	u8 eid;
203	u8 iosapic_vector;
204	u32 global_irq;
205	u32 reserved;
206	} __attribute__ ((packed));
207
208	enum acpi_interrupt_id {
209	ACPI_INTERRUPT_PMI = 1,
210	ACPI_INTERRUPT_INIT,
211	ACPI_INTERRUPT_CPEI,
212	ACPI_INTERRUPT_COUNT
213	};
214
215	#define ACPI_SPACE_MEM 0
216
217	struct acpi_gen_regaddr {
218	u8 space_id;
219	u8 bit_width;
220	u8 bit_offset;
221	u8 resv;
222	u32 addrl;
223	u32 addrh;
224	} __attribute__ ((packed));
225
226	struct acpi_table_hpet {
227	struct acpi_table_header header;
228	u32 id;
229	struct acpi_gen_regaddr addr;
230	u8 number;
231	u16 min_tick;
232	u8 page_protect;
233	} __attribute__ ((packed));
234
235	/*
236	* Simple Boot Flags
237	* http://www.microsoft.com/whdc/hwdev/resources/specs/simp_bios.mspx
238	*/
239	struct acpi_table_sbf
240	{
241	u8 sbf_signature[4];
242	u32 sbf_len;
243	u8 sbf_revision;
244	u8 sbf_csum;
245	u8 sbf_oemid[6];
246	u8 sbf_oemtable[8];
247	u8 sbf_revdata[4];
248	u8 sbf_creator[4];
249	u8 sbf_crearev[4];
250	u8 sbf_cmos;
251	u8 sbf_spare[3];
252	} __attribute__ ((packed));
253
254	/*
255	* System Resource Affinity Table (SRAT)
256	* http://www.microsoft.com/whdc/hwdev/platform/proc/SRAT.mspx
257	*/
258
259	struct acpi_table_srat {
260	struct acpi_table_header header;
261	u32 table_revision;
262	u64 reserved;
263	} __attribute__ ((packed));
264
265	enum acpi_srat_entry_id {
266	ACPI_SRAT_PROCESSOR_AFFINITY = 0,
267	ACPI_SRAT_MEMORY_AFFINITY,
268	ACPI_SRAT_ENTRY_COUNT
269	};
270
271	struct acpi_table_processor_affinity {
272	acpi_table_entry_header header;
273	u8 proximity_domain;
274	u8 apic_id;
275	struct {
276	u32 enabled:1;
277	u32 reserved:31;
278	} flags;
279	u8 lsapic_eid;
280	u8 reserved[7];
281	} __attribute__ ((packed));
282
283	struct acpi_table_memory_affinity {
284	acpi_table_entry_header header;
285	u8 proximity_domain;
286	u8 reserved1[5];
287	u32 base_addr_lo;
288	u32 base_addr_hi;
289	u32 length_lo;
290	u32 length_hi;
291	u32 memory_type; /* See acpi_address_range_id */
292	struct {
293	u32 enabled:1;
294	u32 hot_pluggable:1;
295	u32 reserved:30;
296	} flags;
297	u64 reserved2;
298	} __attribute__ ((packed));
299
300	enum acpi_address_range_id {
301	ACPI_ADDRESS_RANGE_MEMORY = 1,
302	ACPI_ADDRESS_RANGE_RESERVED = 2,
303	ACPI_ADDRESS_RANGE_ACPI = 3,
304	ACPI_ADDRESS_RANGE_NVS = 4,
305	ACPI_ADDRESS_RANGE_COUNT
306	};
307
308	/*
309	* System Locality Information Table (SLIT)
310	* see http://devresource.hp.com/devresource/docs/techpapers/ia64/slit.pdf
311	*/
312
313	struct acpi_table_slit {
314	struct acpi_table_header header;
315	u64 localities;
316	u8 entry[1]; /* real size = localities^2 */
317	} __attribute__ ((packed));
318
319	/* Smart Battery Description Table (SBST) */
320
321	struct acpi_table_sbst {
322	struct acpi_table_header header;
323	u32 warning; /* Warn user */
324	u32 low; /* Critical sleep */
325	u32 critical; /* Critical shutdown */
326	} __attribute__ ((packed));
327
328	/* Embedded Controller Boot Resources Table (ECDT) */
329
330	struct acpi_table_ecdt {
331	struct acpi_table_header header;
332	struct acpi_generic_address ec_control;
333	struct acpi_generic_address ec_data;
334	u32 uid;
335	u8 gpe_bit;
336	char ec_id[0];
337	} __attribute__ ((packed));
338
339	/* PCI MMCONFIG */
340
341	struct acpi_table_mcfg {
342	struct acpi_table_header header;
343	u8 reserved[8];
344	u32 base_address;
345	u32 base_reserved;
346	} __attribute__ ((packed));
347
348	/* Table Handlers */
349
350	enum acpi_table_id {
351	ACPI_TABLE_UNKNOWN = 0,
352	ACPI_APIC,
353	ACPI_BOOT,
354	ACPI_DBGP,
355	ACPI_DSDT,
356	ACPI_ECDT,
357	ACPI_ETDT,
358	ACPI_FADT,
359	ACPI_FACS,
360	ACPI_OEMX,
361	ACPI_PSDT,
362	ACPI_SBST,
363	ACPI_SLIT,
364	ACPI_SPCR,
365	ACPI_SRAT,
366	ACPI_SSDT,
367	ACPI_SPMI,
368	ACPI_HPET,
369	ACPI_MCFG,
370	ACPI_TABLE_COUNT
371	};
372
373	typedef int (*acpi_table_handler) (unsigned long phys_addr, unsigned long size);
374
375	extern acpi_table_handler acpi_table_ops[ACPI_TABLE_COUNT];
376
377	typedef int (acpi_madt_entry_handler) (acpi_table_entry_header header, const unsigned long end);
378
379	char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
380	unsigned long acpi_find_rsdp (void);
381	int acpi_boot_init (void);
382	int acpi_boot_table_init (void);
383	int acpi_numa_init (void);
384
385	int acpi_table_init (void);
386	int acpi_table_parse (enum acpi_table_id id, acpi_table_handler handler);
387	int acpi_get_table_header_early (enum acpi_table_id id, struct acpi_table_header **header);
388	int acpi_table_parse_madt (enum acpi_madt_entry_id id, acpi_madt_entry_handler handler, unsigned int max_entries);
389	int acpi_table_parse_srat (enum acpi_srat_entry_id id, acpi_madt_entry_handler handler, unsigned int max_entries);
390	void acpi_table_print (struct acpi_table_header *header, unsigned long phys_addr);
391	void acpi_table_print_madt_entry (acpi_table_entry_header *madt);
392	void acpi_table_print_srat_entry (acpi_table_entry_header *srat);
393
394	/* the following four functions are architecture-dependent */
395	void acpi_numa_slit_init (struct acpi_table_slit *slit);
396	void acpi_numa_processor_affinity_init (struct acpi_table_processor_affinity *pa);
397	void acpi_numa_memory_affinity_init (struct acpi_table_memory_affinity *ma);
398	void acpi_numa_arch_fixup(void);
399
400	#ifdef CONFIG_ACPI_HOTPLUG_CPU
401	/* Arch dependent functions for cpu hotplug support */
402	int acpi_map_lsapic(acpi_handle handle, int *pcpu);
403	int acpi_unmap_lsapic(int cpu);
404	#endif /* CONFIG_ACPI_HOTPLUG_CPU */
405
406	extern int acpi_mp_config;
407
408	extern u32 pci_mmcfg_base_addr;
409
410	extern int sbf_port ;
411
412	#else /!CONFIG_ACPI_BOOT/
413
414	#define acpi_mp_config 0
415
416	static inline int acpi_boot_init(void)
417	{
418	return 0;
419	}
420
421	static inline int acpi_boot_table_init(void)
422	{
423	return 0;
424	}
425
426	#endif /!CONFIG_ACPI_BOOT/
427
428	unsigned int acpi_register_gsi (u32 gsi, int edge_level, int active_high_low);
429	int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
430
431	/*
432	* This function undoes the effect of one call to acpi_register_gsi().
433	* If this matches the last registration, any IRQ resources for gsi
434	* are freed.
435	*/
436	#ifdef CONFIG_ACPI_DEALLOCATE_IRQ
437	void acpi_unregister_gsi (u32 gsi);
438	#endif
439
440	#ifdef CONFIG_ACPI_PCI
441
442	struct acpi_prt_entry {
443	struct list_head node;
444	struct acpi_pci_id id;
445	u8 pin;
446	struct {
447	acpi_handle handle;
448	u32 index;
449	} link;
450	u32 irq;
451	};
452
453	struct acpi_prt_list {
454	int count;
455	struct list_head entries;
456	};
457
458	struct pci_dev;
459
460	int acpi_pci_irq_enable (struct pci_dev *dev);
461	void acpi_penalize_isa_irq(int irq);
462
463	#ifdef CONFIG_ACPI_DEALLOCATE_IRQ
464	void acpi_pci_irq_disable (struct pci_dev *dev);
465	#endif
466
467	struct acpi_pci_driver {
468	struct acpi_pci_driver *next;
469	int (*add)(acpi_handle handle);
470	void (*remove)(acpi_handle handle);
471	};
472
473	int acpi_pci_register_driver(struct acpi_pci_driver *driver);
474	void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
475
476	#endif /CONFIG_ACPI_PCI/
477
478	#ifdef CONFIG_ACPI_EC
479
480	extern int ec_read(u8 addr, u8 *val);
481	extern int ec_write(u8 addr, u8 val);
482
483	#endif /CONFIG_ACPI_EC/
484
485	#ifdef CONFIG_ACPI_INTERPRETER
486
487	extern int acpi_blacklisted(void);
488	extern void acpi_bios_year(char *s);
489
490	#else /!CONFIG_ACPI_INTERPRETER/
491
492	static inline int acpi_blacklisted(void)
493	{
494	return 0;
495	}
496
497	#endif /!CONFIG_ACPI_INTERPRETER/
498
499	#define ACPI_CSTATE_LIMIT_DEFINED /* for driver builds */
500	#ifdef CONFIG_ACPI
501
502	/*
503	* Set highest legal C-state
504	* 0: C0 okay, but not C1
505	* 1: C1 okay, but not C2
506	* 2: C2 okay, but not C3 etc.
507	*/
508
509	extern unsigned int max_cstate;
510
511	static inline unsigned int acpi_get_cstate_limit(void)
512	{
513	return max_cstate;
514	}
515	static inline void acpi_set_cstate_limit(unsigned int new_limit)
516	{
517	max_cstate = new_limit;
518	return;
519	}
520	#else
521	static inline unsigned int acpi_get_cstate_limit(void) { return 0; }
522	static inline void acpi_set_cstate_limit(unsigned int new_limit) { return; }
523	#endif
524
525	#ifdef CONFIG_ACPI_NUMA
526	int acpi_get_pxm(acpi_handle handle);
527	#else
528	static inline int acpi_get_pxm(acpi_handle handle)
529	{
530	return 0;
531	}
532	#endif
533
534	extern int pnpacpi_disabled;
535
536	#endif /_LINUX_ACPI_H/