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
;
59 } __attribute__ ((packed
)) acpi_table_entry_header
;
61 /* Multiple APIC Description Table (MADT) */
63 struct acpi_table_madt
{
64 struct acpi_table_header header
;
70 } __attribute__ ((packed
));
72 enum acpi_madt_entry_id
{
75 ACPI_MADT_INT_SRC_OVR
,
78 ACPI_MADT_LAPIC_ADDR_OVR
,
81 ACPI_MADT_PLAT_INT_SRC
,
89 } __attribute__ ((packed
)) acpi_interrupt_flags
;
91 struct acpi_table_lapic
{
92 acpi_table_entry_header header
;
99 } __attribute__ ((packed
));
101 struct acpi_table_ioapic
{
102 acpi_table_entry_header header
;
107 } __attribute__ ((packed
));
109 struct acpi_table_int_src_ovr
{
110 acpi_table_entry_header header
;
114 acpi_interrupt_flags flags
;
115 } __attribute__ ((packed
));
117 struct acpi_table_nmi_src
{
118 acpi_table_entry_header header
;
119 acpi_interrupt_flags flags
;
121 } __attribute__ ((packed
));
123 struct acpi_table_lapic_nmi
{
124 acpi_table_entry_header header
;
126 acpi_interrupt_flags flags
;
128 } __attribute__ ((packed
));
130 struct acpi_table_lapic_addr_ovr
{
131 acpi_table_entry_header header
;
134 } __attribute__ ((packed
));
136 struct acpi_table_iosapic
{
137 acpi_table_entry_header header
;
142 } __attribute__ ((packed
));
144 struct acpi_table_lsapic
{
145 acpi_table_entry_header header
;
154 } __attribute__ ((packed
));
156 struct acpi_table_plat_int_src
{
157 acpi_table_entry_header header
;
158 acpi_interrupt_flags flags
;
159 u8 type
; /* See acpi_interrupt_type */
165 u32 cpei_override_flag
:1;
168 } __attribute__ ((packed
));
170 enum acpi_interrupt_id
{
171 ACPI_INTERRUPT_PMI
= 1,
177 #define ACPI_SPACE_MEM 0
179 struct acpi_gen_regaddr
{
186 } __attribute__ ((packed
));
188 struct acpi_table_hpet
{
189 struct acpi_table_header header
;
191 struct acpi_gen_regaddr addr
;
195 } __attribute__ ((packed
));
199 * http://www.microsoft.com/whdc/hwdev/resources/specs/simp_bios.mspx
201 struct acpi_table_sbf
214 } __attribute__ ((packed
));
217 * System Resource Affinity Table (SRAT)
218 * http://www.microsoft.com/whdc/hwdev/platform/proc/SRAT.mspx
221 struct acpi_table_srat
{
222 struct acpi_table_header header
;
225 } __attribute__ ((packed
));
227 enum acpi_srat_entry_id
{
228 ACPI_SRAT_PROCESSOR_AFFINITY
= 0,
229 ACPI_SRAT_MEMORY_AFFINITY
,
230 ACPI_SRAT_ENTRY_COUNT
233 struct acpi_table_processor_affinity
{
234 acpi_table_entry_header header
;
243 } __attribute__ ((packed
));
245 struct acpi_table_memory_affinity
{
246 acpi_table_entry_header header
;
253 u32 memory_type
; /* See acpi_address_range_id */
260 } __attribute__ ((packed
));
262 enum acpi_address_range_id
{
263 ACPI_ADDRESS_RANGE_MEMORY
= 1,
264 ACPI_ADDRESS_RANGE_RESERVED
= 2,
265 ACPI_ADDRESS_RANGE_ACPI
= 3,
266 ACPI_ADDRESS_RANGE_NVS
= 4,
267 ACPI_ADDRESS_RANGE_COUNT
271 * System Locality Information Table (SLIT)
272 * see http://devresource.hp.com/devresource/docs/techpapers/ia64/slit.pdf
275 struct acpi_table_slit
{
276 struct acpi_table_header header
;
278 u8 entry
[1]; /* real size = localities^2 */
279 } __attribute__ ((packed
));
281 /* Smart Battery Description Table (SBST) */
283 struct acpi_table_sbst
{
284 struct acpi_table_header header
;
285 u32 warning
; /* Warn user */
286 u32 low
; /* Critical sleep */
287 u32 critical
; /* Critical shutdown */
288 } __attribute__ ((packed
));
290 /* Embedded Controller Boot Resources Table (ECDT) */
292 struct acpi_table_ecdt
{
293 struct acpi_table_header header
;
294 struct acpi_generic_address ec_control
;
295 struct acpi_generic_address ec_data
;
299 } __attribute__ ((packed
));
303 /* Defined in PCI Firmware Specification 3.0 */
304 struct acpi_table_mcfg_config
{
307 u16 pci_segment_group_number
;
311 } __attribute__ ((packed
));
312 struct acpi_table_mcfg
{
313 struct acpi_table_header header
;
315 struct acpi_table_mcfg_config config
[0];
316 } __attribute__ ((packed
));
321 ACPI_TABLE_UNKNOWN
= 0,
343 typedef int (*acpi_table_handler
) (struct acpi_table_header
*header
);
345 extern acpi_table_handler acpi_table_ops
[ACPI_TABLE_COUNT
];
347 typedef int (*acpi_madt_entry_handler
) (acpi_table_entry_header
*header
, const unsigned long end
);
349 char * __acpi_map_table (unsigned long phys_addr
, unsigned long size
);
350 unsigned long acpi_find_rsdp (void);
351 int acpi_boot_init (void);
352 int acpi_boot_table_init (void);
353 int acpi_numa_init (void);
355 int acpi_table_init (void);
356 int acpi_table_parse (char *id
, acpi_table_handler handler
);
357 int acpi_table_parse_madt (enum acpi_madt_entry_id id
, acpi_madt_entry_handler handler
, unsigned int max_entries
);
358 int acpi_table_parse_srat (enum acpi_srat_entry_id id
, acpi_madt_entry_handler handler
, unsigned int max_entries
);
359 int acpi_parse_mcfg (struct acpi_table_header
*header
);
360 void acpi_table_print (struct acpi_table_header
*header
, unsigned long phys_addr
);
361 void acpi_table_print_madt_entry (acpi_table_entry_header
*madt
);
362 void acpi_table_print_srat_entry (acpi_table_entry_header
*srat
);
364 /* the following four functions are architecture-dependent */
365 #ifdef CONFIG_HAVE_ARCH_PARSE_SRAT
366 #define NR_NODE_MEMBLKS MAX_NUMNODES
367 #define acpi_numa_slit_init(slit) do {} while (0)
368 #define acpi_numa_processor_affinity_init(pa) do {} while (0)
369 #define acpi_numa_memory_affinity_init(ma) do {} while (0)
370 #define acpi_numa_arch_fixup() do {} while (0)
372 void acpi_numa_slit_init (struct acpi_table_slit
*slit
);
373 void acpi_numa_processor_affinity_init (struct acpi_table_processor_affinity
*pa
);
374 void acpi_numa_memory_affinity_init (struct acpi_table_memory_affinity
*ma
);
375 void acpi_numa_arch_fixup(void);
378 #ifdef CONFIG_ACPI_HOTPLUG_CPU
379 /* Arch dependent functions for cpu hotplug support */
380 int acpi_map_lsapic(acpi_handle handle
, int *pcpu
);
381 int acpi_unmap_lsapic(int cpu
);
382 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
384 int acpi_register_ioapic(acpi_handle handle
, u64 phys_addr
, u32 gsi_base
);
385 int acpi_unregister_ioapic(acpi_handle handle
, u32 gsi_base
);
387 extern int acpi_mp_config
;
389 extern struct acpi_table_mcfg_config
*pci_mmcfg_config
;
390 extern int pci_mmcfg_config_num
;
393 extern unsigned long acpi_video_flags
;
395 #else /* !CONFIG_ACPI */
397 #define acpi_mp_config 0
399 #endif /* !CONFIG_ACPI */
401 int acpi_register_gsi (u32 gsi
, int triggering
, int polarity
);
402 int acpi_gsi_to_irq (u32 gsi
, unsigned int *irq
);
405 * This function undoes the effect of one call to acpi_register_gsi().
406 * If this matches the last registration, any IRQ resources for gsi
409 void acpi_unregister_gsi (u32 gsi
);
413 struct acpi_prt_entry
{
414 struct list_head node
;
415 struct acpi_pci_id id
;
424 struct acpi_prt_list
{
426 struct list_head entries
;
431 int acpi_pci_irq_enable (struct pci_dev
*dev
);
432 void acpi_penalize_isa_irq(int irq
, int active
);
434 void acpi_pci_irq_disable (struct pci_dev
*dev
);
436 struct acpi_pci_driver
{
437 struct acpi_pci_driver
*next
;
438 int (*add
)(acpi_handle handle
);
439 void (*remove
)(acpi_handle handle
);
442 int acpi_pci_register_driver(struct acpi_pci_driver
*driver
);
443 void acpi_pci_unregister_driver(struct acpi_pci_driver
*driver
);
445 #endif /* CONFIG_ACPI */
447 #ifdef CONFIG_ACPI_EC
449 extern int ec_read(u8 addr
, u8
*val
);
450 extern int ec_write(u8 addr
, u8 val
);
451 extern int ec_transaction(u8 command
,
452 const u8
*wdata
, unsigned wdata_len
,
453 u8
*rdata
, unsigned rdata_len
);
455 #endif /*CONFIG_ACPI_EC*/
457 extern int acpi_blacklisted(void);
458 extern void acpi_bios_year(char *s
);
460 #define ACPI_CSTATE_LIMIT_DEFINED /* for driver builds */
464 * Set highest legal C-state
465 * 0: C0 okay, but not C1
466 * 1: C1 okay, but not C2
467 * 2: C2 okay, but not C3 etc.
470 extern unsigned int max_cstate
;
472 static inline unsigned int acpi_get_cstate_limit(void)
476 static inline void acpi_set_cstate_limit(unsigned int new_limit
)
478 max_cstate
= new_limit
;
482 static inline unsigned int acpi_get_cstate_limit(void) { return 0; }
483 static inline void acpi_set_cstate_limit(unsigned int new_limit
) { return; }
486 #ifdef CONFIG_ACPI_NUMA
487 int acpi_get_pxm(acpi_handle handle
);
488 int acpi_get_node(acpi_handle
*handle
);
490 static inline int acpi_get_pxm(acpi_handle handle
)
494 static inline int acpi_get_node(acpi_handle
*handle
)
499 extern int acpi_paddr_to_node(u64 start_addr
, u64 size
);
501 extern int pnpacpi_disabled
;
503 #else /* CONFIG_ACPI */
505 static inline int acpi_boot_init(void)
510 static inline int acpi_boot_table_init(void)
515 #endif /* CONFIG_ACPI */
516 #endif /*_LINUX_ACPI_H*/