2 * acpi.h - ACPI Interface
4 * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
6 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.
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.
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
22 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
35 #include <linux/list.h>
37 #include <acpi/acpi.h>
38 #include <acpi/acpi_bus.h>
39 #include <acpi/acpi_drivers.h>
40 #include <acpi/acpi_numa.h>
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_PLATFORM
,
54 extern enum acpi_irq_model_id acpi_irq_model
;
57 /* Root System Description Pointer (RSDP) */
59 struct acpi_table_rsdp
{
65 } __attribute__ ((packed
));
67 struct acpi20_table_rsdp
{
77 } __attribute__ ((packed
));
82 } __attribute__ ((packed
)) acpi_table_entry_header
;
84 /* Root System Description Table (RSDT) */
86 struct acpi_table_rsdt
{
87 struct acpi_table_header header
;
89 } __attribute__ ((packed
));
91 /* Extended System Description Table (XSDT) */
93 struct acpi_table_xsdt
{
94 struct acpi_table_header header
;
96 } __attribute__ ((packed
));
98 /* Fixed ACPI Description Table (FADT) */
100 struct acpi_table_fadt
{
101 struct acpi_table_header header
;
105 } __attribute__ ((packed
));
107 /* Multiple APIC Description Table (MADT) */
109 struct acpi_table_madt
{
110 struct acpi_table_header header
;
116 } __attribute__ ((packed
));
118 enum acpi_madt_entry_id
{
121 ACPI_MADT_INT_SRC_OVR
,
124 ACPI_MADT_LAPIC_ADDR_OVR
,
127 ACPI_MADT_PLAT_INT_SRC
,
128 ACPI_MADT_ENTRY_COUNT
135 } __attribute__ ((packed
)) acpi_interrupt_flags
;
137 struct acpi_table_lapic
{
138 acpi_table_entry_header header
;
145 } __attribute__ ((packed
));
147 struct acpi_table_ioapic
{
148 acpi_table_entry_header header
;
153 } __attribute__ ((packed
));
155 struct acpi_table_int_src_ovr
{
156 acpi_table_entry_header header
;
160 acpi_interrupt_flags flags
;
161 } __attribute__ ((packed
));
163 struct acpi_table_nmi_src
{
164 acpi_table_entry_header header
;
165 acpi_interrupt_flags flags
;
167 } __attribute__ ((packed
));
169 struct acpi_table_lapic_nmi
{
170 acpi_table_entry_header header
;
172 acpi_interrupt_flags flags
;
174 } __attribute__ ((packed
));
176 struct acpi_table_lapic_addr_ovr
{
177 acpi_table_entry_header header
;
180 } __attribute__ ((packed
));
182 struct acpi_table_iosapic
{
183 acpi_table_entry_header header
;
188 } __attribute__ ((packed
));
190 struct acpi_table_lsapic
{
191 acpi_table_entry_header header
;
200 } __attribute__ ((packed
));
202 struct acpi_table_plat_int_src
{
203 acpi_table_entry_header header
;
204 acpi_interrupt_flags flags
;
205 u8 type
; /* See acpi_interrupt_type */
211 u32 cpei_override_flag
:1;
214 } __attribute__ ((packed
));
216 enum acpi_interrupt_id
{
217 ACPI_INTERRUPT_PMI
= 1,
223 #define ACPI_SPACE_MEM 0
225 struct acpi_gen_regaddr
{
232 } __attribute__ ((packed
));
234 struct acpi_table_hpet
{
235 struct acpi_table_header header
;
237 struct acpi_gen_regaddr addr
;
241 } __attribute__ ((packed
));
245 * http://www.microsoft.com/whdc/hwdev/resources/specs/simp_bios.mspx
247 struct acpi_table_sbf
260 } __attribute__ ((packed
));
263 * System Resource Affinity Table (SRAT)
264 * http://www.microsoft.com/whdc/hwdev/platform/proc/SRAT.mspx
267 struct acpi_table_srat
{
268 struct acpi_table_header header
;
271 } __attribute__ ((packed
));
273 enum acpi_srat_entry_id
{
274 ACPI_SRAT_PROCESSOR_AFFINITY
= 0,
275 ACPI_SRAT_MEMORY_AFFINITY
,
276 ACPI_SRAT_ENTRY_COUNT
279 struct acpi_table_processor_affinity
{
280 acpi_table_entry_header header
;
289 } __attribute__ ((packed
));
291 struct acpi_table_memory_affinity
{
292 acpi_table_entry_header header
;
299 u32 memory_type
; /* See acpi_address_range_id */
306 } __attribute__ ((packed
));
308 enum acpi_address_range_id
{
309 ACPI_ADDRESS_RANGE_MEMORY
= 1,
310 ACPI_ADDRESS_RANGE_RESERVED
= 2,
311 ACPI_ADDRESS_RANGE_ACPI
= 3,
312 ACPI_ADDRESS_RANGE_NVS
= 4,
313 ACPI_ADDRESS_RANGE_COUNT
317 * System Locality Information Table (SLIT)
318 * see http://devresource.hp.com/devresource/docs/techpapers/ia64/slit.pdf
321 struct acpi_table_slit
{
322 struct acpi_table_header header
;
324 u8 entry
[1]; /* real size = localities^2 */
325 } __attribute__ ((packed
));
327 /* Smart Battery Description Table (SBST) */
329 struct acpi_table_sbst
{
330 struct acpi_table_header header
;
331 u32 warning
; /* Warn user */
332 u32 low
; /* Critical sleep */
333 u32 critical
; /* Critical shutdown */
334 } __attribute__ ((packed
));
336 /* Embedded Controller Boot Resources Table (ECDT) */
338 struct acpi_table_ecdt
{
339 struct acpi_table_header header
;
340 struct acpi_generic_address ec_control
;
341 struct acpi_generic_address ec_data
;
345 } __attribute__ ((packed
));
349 /* Defined in PCI Firmware Specification 3.0 */
350 struct acpi_table_mcfg_config
{
353 u16 pci_segment_group_number
;
357 } __attribute__ ((packed
));
358 struct acpi_table_mcfg
{
359 struct acpi_table_header header
;
361 struct acpi_table_mcfg_config config
[0];
362 } __attribute__ ((packed
));
367 ACPI_TABLE_UNKNOWN
= 0,
389 typedef int (*acpi_table_handler
) (unsigned long phys_addr
, unsigned long size
);
391 extern acpi_table_handler acpi_table_ops
[ACPI_TABLE_COUNT
];
393 typedef int (*acpi_madt_entry_handler
) (acpi_table_entry_header
*header
, const unsigned long end
);
395 char * __acpi_map_table (unsigned long phys_addr
, unsigned long size
);
396 unsigned long acpi_find_rsdp (void);
397 int acpi_boot_init (void);
398 int acpi_boot_table_init (void);
399 int acpi_numa_init (void);
401 int acpi_table_init (void);
402 int acpi_table_parse (enum acpi_table_id id
, acpi_table_handler handler
);
403 int acpi_get_table_header_early (enum acpi_table_id id
, struct acpi_table_header
**header
);
404 int acpi_table_parse_madt (enum acpi_madt_entry_id id
, acpi_madt_entry_handler handler
, unsigned int max_entries
);
405 int acpi_table_parse_srat (enum acpi_srat_entry_id id
, acpi_madt_entry_handler handler
, unsigned int max_entries
);
406 int acpi_parse_mcfg (unsigned long phys_addr
, unsigned long size
);
407 void acpi_table_print (struct acpi_table_header
*header
, unsigned long phys_addr
);
408 void acpi_table_print_madt_entry (acpi_table_entry_header
*madt
);
409 void acpi_table_print_srat_entry (acpi_table_entry_header
*srat
);
411 /* the following four functions are architecture-dependent */
412 #ifdef CONFIG_HAVE_ARCH_PARSE_SRAT
413 #define NR_NODE_MEMBLKS MAX_NUMNODES
414 #define acpi_numa_slit_init(slit) do {} while (0)
415 #define acpi_numa_processor_affinity_init(pa) do {} while (0)
416 #define acpi_numa_memory_affinity_init(ma) do {} while (0)
417 #define acpi_numa_arch_fixup() do {} while (0)
419 void acpi_numa_slit_init (struct acpi_table_slit
*slit
);
420 void acpi_numa_processor_affinity_init (struct acpi_table_processor_affinity
*pa
);
421 void acpi_numa_memory_affinity_init (struct acpi_table_memory_affinity
*ma
);
422 void acpi_numa_arch_fixup(void);
425 #ifdef CONFIG_ACPI_HOTPLUG_CPU
426 /* Arch dependent functions for cpu hotplug support */
427 int acpi_map_lsapic(acpi_handle handle
, int *pcpu
);
428 int acpi_unmap_lsapic(int cpu
);
429 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
431 int acpi_register_ioapic(acpi_handle handle
, u64 phys_addr
, u32 gsi_base
);
432 int acpi_unregister_ioapic(acpi_handle handle
, u32 gsi_base
);
434 extern int acpi_mp_config
;
436 extern struct acpi_table_mcfg_config
*pci_mmcfg_config
;
437 extern int pci_mmcfg_config_num
;
440 extern unsigned long acpi_video_flags
;
442 #else /* !CONFIG_ACPI */
444 #define acpi_mp_config 0
446 #endif /* !CONFIG_ACPI */
448 int acpi_register_gsi (u32 gsi
, int triggering
, int polarity
);
449 int acpi_gsi_to_irq (u32 gsi
, unsigned int *irq
);
452 * This function undoes the effect of one call to acpi_register_gsi().
453 * If this matches the last registration, any IRQ resources for gsi
456 void acpi_unregister_gsi (u32 gsi
);
460 struct acpi_prt_entry
{
461 struct list_head node
;
462 struct acpi_pci_id id
;
471 struct acpi_prt_list
{
473 struct list_head entries
;
478 int acpi_pci_irq_enable (struct pci_dev
*dev
);
479 void acpi_penalize_isa_irq(int irq
, int active
);
481 void acpi_pci_irq_disable (struct pci_dev
*dev
);
483 struct acpi_pci_driver
{
484 struct acpi_pci_driver
*next
;
485 int (*add
)(acpi_handle handle
);
486 void (*remove
)(acpi_handle handle
);
489 int acpi_pci_register_driver(struct acpi_pci_driver
*driver
);
490 void acpi_pci_unregister_driver(struct acpi_pci_driver
*driver
);
492 #endif /* CONFIG_ACPI */
494 #ifdef CONFIG_ACPI_EC
496 extern int ec_read(u8 addr
, u8
*val
);
497 extern int ec_write(u8 addr
, u8 val
);
498 extern int ec_transaction(u8 command
,
499 const u8
*wdata
, unsigned wdata_len
,
500 u8
*rdata
, unsigned rdata_len
);
502 #endif /*CONFIG_ACPI_EC*/
504 extern int acpi_blacklisted(void);
505 extern void acpi_bios_year(char *s
);
507 #define ACPI_CSTATE_LIMIT_DEFINED /* for driver builds */
511 * Set highest legal C-state
512 * 0: C0 okay, but not C1
513 * 1: C1 okay, but not C2
514 * 2: C2 okay, but not C3 etc.
517 extern unsigned int max_cstate
;
519 static inline unsigned int acpi_get_cstate_limit(void)
523 static inline void acpi_set_cstate_limit(unsigned int new_limit
)
525 max_cstate
= new_limit
;
529 static inline unsigned int acpi_get_cstate_limit(void) { return 0; }
530 static inline void acpi_set_cstate_limit(unsigned int new_limit
) { return; }
533 #ifdef CONFIG_ACPI_NUMA
534 int acpi_get_pxm(acpi_handle handle
);
535 int acpi_get_node(acpi_handle
*handle
);
537 static inline int acpi_get_pxm(acpi_handle handle
)
541 static inline int acpi_get_node(acpi_handle
*handle
)
546 extern int acpi_paddr_to_node(u64 start_addr
, u64 size
);
548 extern int pnpacpi_disabled
;
550 #else /* CONFIG_ACPI */
552 static inline int acpi_boot_init(void)
557 static inline int acpi_boot_table_init(void)
562 #endif /* CONFIG_ACPI */
563 #endif /*_LINUX_ACPI_H*/