[linux-2.6-block.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

#include <linux/config.h>

#ifdef	CONFIG_ACPI

#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;
	struct {
		u32			cpei_override_flag:1;
		u32			reserved:31;
	}			plint_flags;
} __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*/

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.
 */
void acpi_unregister_gsi (u32 gsi);

#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, int active);

void acpi_pci_irq_disable (struct pci_dev *dev);

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	/* CONFIG_ACPI */
#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
3f5948fa DM	28	#include <linux/config.h>
3f5948fa DM	29
25be5e6c LB	30	#ifdef CONFIG_ACPI
25be5e6c LB	31
1da177e4 LT	32	#ifndef _LINUX
	33	#define _LINUX
	34	#endif
	35
	36	#include <linux/list.h>
	37
	38	#include <acpi/acpi.h>
	39	#include <acpi/acpi_bus.h>
	40	#include <acpi/acpi_drivers.h>
	41	#include <asm/acpi.h>
	42
	43
	44	#ifdef CONFIG_ACPI_BOOT
	45
	46	enum acpi_irq_model_id {
	47	ACPI_IRQ_MODEL_PIC = 0,
	48	ACPI_IRQ_MODEL_IOAPIC,
	49	ACPI_IRQ_MODEL_IOSAPIC,
	50	ACPI_IRQ_MODEL_COUNT
	51	};
	52
	53	extern enum acpi_irq_model_id acpi_irq_model;
	54
	55
	56	/* Root System Description Pointer (RSDP) */
	57
	58	struct acpi_table_rsdp {
	59	char signature[8];
	60	u8 checksum;
	61	char oem_id[6];
	62	u8 revision;
	63	u32 rsdt_address;
	64	} __attribute__ ((packed));
	65
	66	struct acpi20_table_rsdp {
	67	char signature[8];
	68	u8 checksum;
	69	char oem_id[6];
	70	u8 revision;
	71	u32 rsdt_address;
	72	u32 length;
	73	u64 xsdt_address;
	74	u8 ext_checksum;
	75	u8 reserved[3];
	76	} __attribute__ ((packed));
	77
	78	typedef struct {
	79	u8 type;
	80	u8 length;
	81	} __attribute__ ((packed)) acpi_table_entry_header;
	82
	83	/* Root System Description Table (RSDT) */
	84
	85	struct acpi_table_rsdt {
	86	struct acpi_table_header header;
	87	u32 entry[8];
	88	} __attribute__ ((packed));
	89
	90	/* Extended System Description Table (XSDT) */
	91
	92	struct acpi_table_xsdt {
	93	struct acpi_table_header header;
	94	u64 entry[1];
	95	} __attribute__ ((packed));
96
97	/* Fixed ACPI Description Table (FADT) */
98
99	struct acpi_table_fadt {
100	struct acpi_table_header header;
101	u32 facs_addr;
102	u32 dsdt_addr;
103	/* ... */
104	} __attribute__ ((packed));
105
106	/* Multiple APIC Description Table (MADT) */
107
108	struct acpi_table_madt {
109	struct acpi_table_header header;
110	u32 lapic_address;
111	struct {
112	u32 pcat_compat:1;
113	u32 reserved:31;
114	} flags;
115	} __attribute__ ((packed));
116
117	enum acpi_madt_entry_id {
118	ACPI_MADT_LAPIC = 0,
119	ACPI_MADT_IOAPIC,
120	ACPI_MADT_INT_SRC_OVR,
121	ACPI_MADT_NMI_SRC,
122	ACPI_MADT_LAPIC_NMI,
123	ACPI_MADT_LAPIC_ADDR_OVR,
124	ACPI_MADT_IOSAPIC,
125	ACPI_MADT_LSAPIC,
126	ACPI_MADT_PLAT_INT_SRC,
127	ACPI_MADT_ENTRY_COUNT
128	};
129
130	typedef struct {
131	u16 polarity:2;
132	u16 trigger:2;
133	u16 reserved:12;
134	} __attribute__ ((packed)) acpi_interrupt_flags;
135
136	struct acpi_table_lapic {
137	acpi_table_entry_header header;
138	u8 acpi_id;
139	u8 id;
140	struct {
141	u32 enabled:1;
142	u32 reserved:31;
143	} flags;
144	} __attribute__ ((packed));
145
146	struct acpi_table_ioapic {
147	acpi_table_entry_header header;
148	u8 id;
149	u8 reserved;
150	u32 address;
151	u32 global_irq_base;
152	} __attribute__ ((packed));
153
154	struct acpi_table_int_src_ovr {
155	acpi_table_entry_header header;
156	u8 bus;
157	u8 bus_irq;
158	u32 global_irq;
159	acpi_interrupt_flags flags;
160	} __attribute__ ((packed));
161
162	struct acpi_table_nmi_src {
163	acpi_table_entry_header header;
164	acpi_interrupt_flags flags;
165	u32 global_irq;
166	} __attribute__ ((packed));
167
168	struct acpi_table_lapic_nmi {
169	acpi_table_entry_header header;
170	u8 acpi_id;
171	acpi_interrupt_flags flags;
172	u8 lint;
173	} __attribute__ ((packed));
174
175	struct acpi_table_lapic_addr_ovr {
176	acpi_table_entry_header header;
177	u8 reserved[2];
178	u64 address;
179	} __attribute__ ((packed));
180
181	struct acpi_table_iosapic {
182	acpi_table_entry_header header;
183	u8 id;
184	u8 reserved;
185	u32 global_irq_base;
186	u64 address;
187	} __attribute__ ((packed));
188
189	struct acpi_table_lsapic {
190	acpi_table_entry_header header;
191	u8 acpi_id;
192	u8 id;
193	u8 eid;
194	u8 reserved[3];
195	struct {
196	u32 enabled:1;
197	u32 reserved:31;
198	} flags;
199	} __attribute__ ((packed));
200
201	struct acpi_table_plat_int_src {
202	acpi_table_entry_header header;
203	acpi_interrupt_flags flags;
204	u8 type; /* See acpi_interrupt_type */
205	u8 id;
206	u8 eid;
207	u8 iosapic_vector;
208	u32 global_irq;
55e59c51 AR	209	struct {
	210	u32 cpei_override_flag:1;
	211	u32 reserved:31;
	212	} plint_flags;
1da177e4 LT	213	} __attribute__ ((packed));
	214
	215	enum acpi_interrupt_id {
	216	ACPI_INTERRUPT_PMI = 1,
	217	ACPI_INTERRUPT_INIT,
	218	ACPI_INTERRUPT_CPEI,
	219	ACPI_INTERRUPT_COUNT
	220	};
	221
	222	#define ACPI_SPACE_MEM 0
	223
	224	struct acpi_gen_regaddr {
	225	u8 space_id;
	226	u8 bit_width;
	227	u8 bit_offset;
	228	u8 resv;
	229	u32 addrl;
	230	u32 addrh;
	231	} __attribute__ ((packed));
	232
	233	struct acpi_table_hpet {
	234	struct acpi_table_header header;
	235	u32 id;
	236	struct acpi_gen_regaddr addr;
	237	u8 number;
	238	u16 min_tick;
	239	u8 page_protect;
	240	} __attribute__ ((packed));
	241
	242	/*
	243	* Simple Boot Flags
	244	* http://www.microsoft.com/whdc/hwdev/resources/specs/simp_bios.mspx
	245	*/
	246	struct acpi_table_sbf
	247	{
	248	u8 sbf_signature[4];
	249	u32 sbf_len;
	250	u8 sbf_revision;
	251	u8 sbf_csum;
	252	u8 sbf_oemid[6];
	253	u8 sbf_oemtable[8];
	254	u8 sbf_revdata[4];
	255	u8 sbf_creator[4];
	256	u8 sbf_crearev[4];
	257	u8 sbf_cmos;
	258	u8 sbf_spare[3];
	259	} __attribute__ ((packed));
	260
	261	/*
	262	* System Resource Affinity Table (SRAT)
	263	* http://www.microsoft.com/whdc/hwdev/platform/proc/SRAT.mspx
	264	*/
	265
	266	struct acpi_table_srat {
	267	struct acpi_table_header header;
	268	u32 table_revision;
	269	u64 reserved;
	270	} __attribute__ ((packed));
	271
	272	enum acpi_srat_entry_id {
	273	ACPI_SRAT_PROCESSOR_AFFINITY = 0,
	274	ACPI_SRAT_MEMORY_AFFINITY,
	275	ACPI_SRAT_ENTRY_COUNT
	276	};
277
278	struct acpi_table_processor_affinity {
279	acpi_table_entry_header header;
280	u8 proximity_domain;
281	u8 apic_id;
282	struct {
283	u32 enabled:1;
284	u32 reserved:31;
285	} flags;
286	u8 lsapic_eid;
287	u8 reserved[7];
288	} __attribute__ ((packed));
289
290	struct acpi_table_memory_affinity {
291	acpi_table_entry_header header;
292	u8 proximity_domain;
293	u8 reserved1[5];
294	u32 base_addr_lo;
295	u32 base_addr_hi;
296	u32 length_lo;
297	u32 length_hi;
298	u32 memory_type; /* See acpi_address_range_id */
299	struct {
300	u32 enabled:1;
301	u32 hot_pluggable:1;
302	u32 reserved:30;
303	} flags;
304	u64 reserved2;
305	} __attribute__ ((packed));
306
307	enum acpi_address_range_id {
308	ACPI_ADDRESS_RANGE_MEMORY = 1,
309	ACPI_ADDRESS_RANGE_RESERVED = 2,
310	ACPI_ADDRESS_RANGE_ACPI = 3,
311	ACPI_ADDRESS_RANGE_NVS = 4,
312	ACPI_ADDRESS_RANGE_COUNT
313	};
314
315	/*
316	* System Locality Information Table (SLIT)
317	* see http://devresource.hp.com/devresource/docs/techpapers/ia64/slit.pdf
318	*/
319
320	struct acpi_table_slit {
321	struct acpi_table_header header;
322	u64 localities;
323	u8 entry[1]; /* real size = localities^2 */
324	} __attribute__ ((packed));
325
326	/* Smart Battery Description Table (SBST) */
327
328	struct acpi_table_sbst {
329	struct acpi_table_header header;
330	u32 warning; /* Warn user */
331	u32 low; /* Critical sleep */
332	u32 critical; /* Critical shutdown */
333	} __attribute__ ((packed));
334
335	/* Embedded Controller Boot Resources Table (ECDT) */
336
337	struct acpi_table_ecdt {
338	struct acpi_table_header header;
339	struct acpi_generic_address ec_control;
340	struct acpi_generic_address ec_data;
341	u32 uid;
342	u8 gpe_bit;
343	char ec_id[0];
344	} __attribute__ ((packed));
345
346	/* PCI MMCONFIG */
347
348	struct acpi_table_mcfg {
349	struct acpi_table_header header;
350	u8 reserved[8];
351	u32 base_address;
352	u32 base_reserved;
353	} __attribute__ ((packed));
354
355	/* Table Handlers */
356
357	enum acpi_table_id {
358	ACPI_TABLE_UNKNOWN = 0,
359	ACPI_APIC,
360	ACPI_BOOT,
361	ACPI_DBGP,
362	ACPI_DSDT,
363	ACPI_ECDT,
364	ACPI_ETDT,
365	ACPI_FADT,
366	ACPI_FACS,
367	ACPI_OEMX,
368	ACPI_PSDT,
369	ACPI_SBST,
370	ACPI_SLIT,
371	ACPI_SPCR,
372	ACPI_SRAT,
373	ACPI_SSDT,
374	ACPI_SPMI,
375	ACPI_HPET,
376	ACPI_MCFG,
377	ACPI_TABLE_COUNT
378	};
379
380	typedef int (*acpi_table_handler) (unsigned long phys_addr, unsigned long size);
381
382	extern acpi_table_handler acpi_table_ops[ACPI_TABLE_COUNT];
383
384	typedef int (acpi_madt_entry_handler) (acpi_table_entry_header header, const unsigned long end);
385
386	char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
387	unsigned long acpi_find_rsdp (void);
388	int acpi_boot_init (void);
389	int acpi_boot_table_init (void);
390	int acpi_numa_init (void);
391
392	int acpi_table_init (void);
393	int acpi_table_parse (enum acpi_table_id id, acpi_table_handler handler);
394	int acpi_get_table_header_early (enum acpi_table_id id, struct acpi_table_header **header);
395	int acpi_table_parse_madt (enum acpi_madt_entry_id id, acpi_madt_entry_handler handler, unsigned int max_entries);
396	int acpi_table_parse_srat (enum acpi_srat_entry_id id, acpi_madt_entry_handler handler, unsigned int max_entries);
397	void acpi_table_print (struct acpi_table_header *header, unsigned long phys_addr);
398	void acpi_table_print_madt_entry (acpi_table_entry_header *madt);
399	void acpi_table_print_srat_entry (acpi_table_entry_header *srat);
400
401	/* the following four functions are architecture-dependent */
402	void acpi_numa_slit_init (struct acpi_table_slit *slit);
403	void acpi_numa_processor_affinity_init (struct acpi_table_processor_affinity *pa);
404	void acpi_numa_memory_affinity_init (struct acpi_table_memory_affinity *ma);
405	void acpi_numa_arch_fixup(void);
406
407	#ifdef CONFIG_ACPI_HOTPLUG_CPU
408	/* Arch dependent functions for cpu hotplug support */
409	int acpi_map_lsapic(acpi_handle handle, int *pcpu);
410	int acpi_unmap_lsapic(int cpu);
411	#endif /* CONFIG_ACPI_HOTPLUG_CPU */
412
413	extern int acpi_mp_config;
414
415	extern u32 pci_mmcfg_base_addr;
416
417	extern int sbf_port ;
418
419	#else /!CONFIG_ACPI_BOOT/
420
421	#define acpi_mp_config 0
422
423	static inline int acpi_boot_init(void)
424	{
425	return 0;
426	}
427
428	static inline int acpi_boot_table_init(void)
429	{
430	return 0;
431	}
432
433	#endif /!CONFIG_ACPI_BOOT/
434
1f3a6a15	435	int acpi_register_gsi (u32 gsi, int edge_level, int active_high_low);
1da177e4 LT	436	int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
	437
	438	/*
	439	* This function undoes the effect of one call to acpi_register_gsi().
	440	* If this matches the last registration, any IRQ resources for gsi
	441	* are freed.
	442	*/
1da177e4	443	void acpi_unregister_gsi (u32 gsi);
1da177e4 LT	444
	445	#ifdef CONFIG_ACPI_PCI
	446
	447	struct acpi_prt_entry {
	448	struct list_head node;
	449	struct acpi_pci_id id;
	450	u8 pin;
	451	struct {
	452	acpi_handle handle;
	453	u32 index;
	454	} link;
	455	u32 irq;
	456	};
	457
	458	struct acpi_prt_list {
	459	int count;
	460	struct list_head entries;
	461	};
	462
	463	struct pci_dev;
	464
	465	int acpi_pci_irq_enable (struct pci_dev *dev);
c9c3e457	466	void acpi_penalize_isa_irq(int irq, int active);
1da177e4	467
1da177e4	468	void acpi_pci_irq_disable (struct pci_dev *dev);
1da177e4 LT	469
	470	struct acpi_pci_driver {
	471	struct acpi_pci_driver *next;
	472	int (*add)(acpi_handle handle);
	473	void (*remove)(acpi_handle handle);
	474	};
	475
	476	int acpi_pci_register_driver(struct acpi_pci_driver *driver);
	477	void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
	478
	479	#endif /CONFIG_ACPI_PCI/
	480
	481	#ifdef CONFIG_ACPI_EC
	482
	483	extern int ec_read(u8 addr, u8 *val);
	484	extern int ec_write(u8 addr, u8 val);
	485
	486	#endif /CONFIG_ACPI_EC/
	487
	488	#ifdef CONFIG_ACPI_INTERPRETER
	489
	490	extern int acpi_blacklisted(void);
	491	extern void acpi_bios_year(char *s);
	492
	493	#else /!CONFIG_ACPI_INTERPRETER/
	494
	495	static inline int acpi_blacklisted(void)
	496	{
	497	return 0;
	498	}
	499
	500	#endif /!CONFIG_ACPI_INTERPRETER/
	501
	502	#define ACPI_CSTATE_LIMIT_DEFINED /* for driver builds */
	503	#ifdef CONFIG_ACPI
	504
	505	/*
	506	* Set highest legal C-state
	507	* 0: C0 okay, but not C1
	508	* 1: C1 okay, but not C2
	509	* 2: C2 okay, but not C3 etc.
	510	*/
	511
	512	extern unsigned int max_cstate;
	513
	514	static inline unsigned int acpi_get_cstate_limit(void)
	515	{
	516	return max_cstate;
	517	}
	518	static inline void acpi_set_cstate_limit(unsigned int new_limit)
	519	{
	520	max_cstate = new_limit;
	521	return;
	522	}
	523	#else
	524	static inline unsigned int acpi_get_cstate_limit(void) { return 0; }
	525	static inline void acpi_set_cstate_limit(unsigned int new_limit) { return; }
	526	#endif
	527
	528	#ifdef CONFIG_ACPI_NUMA
	529	int acpi_get_pxm(acpi_handle handle);
	530	#else
	531	static inline int acpi_get_pxm(acpi_handle handle)
	532	{
533	return 0;
534	}
535	#endif
536
537	extern int pnpacpi_disabled;
538
25be5e6c LB	539	#endif /* CONFIG_ACPI */
25be5e6c LB	540	#endif /_LINUX_ACPI_H/