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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#include <linux/errno.h> 29#include <linux/ioport.h> /* for struct resource */ 30#include <linux/device.h> 31 32#ifdef CONFIG_ACPI 33 34#ifndef _LINUX 35#define _LINUX 36#endif 37 38#include <linux/list.h> 39#include <linux/mod_devicetable.h> 40 41#include <acpi/acpi.h> 42#include <acpi/acpi_bus.h> 43#include <acpi/acpi_drivers.h> 44#include <acpi/acpi_numa.h> 45#include <acpi/acpi_io.h> 46#include <asm/acpi.h> 47 48static inline acpi_handle acpi_device_handle(struct acpi_device *adev) 49{ 50 return adev ? adev->handle : NULL; 51} 52 53#define ACPI_COMPANION(dev) ((dev)->acpi_node.companion) 54#define ACPI_COMPANION_SET(dev, adev) ACPI_COMPANION(dev) = (adev) 55#define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev)) 56 57static inline void acpi_preset_companion(struct device *dev, 58 struct acpi_device *parent, u64 addr) 59{ 60 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL)); 61} 62 63static inline const char *acpi_dev_name(struct acpi_device *adev) 64{ 65 return dev_name(&adev->dev); 66} 67 68enum acpi_irq_model_id { 69 ACPI_IRQ_MODEL_PIC = 0, 70 ACPI_IRQ_MODEL_IOAPIC, 71 ACPI_IRQ_MODEL_IOSAPIC, 72 ACPI_IRQ_MODEL_PLATFORM, 73 ACPI_IRQ_MODEL_COUNT 74}; 75 76extern enum acpi_irq_model_id acpi_irq_model; 77 78enum acpi_interrupt_id { 79 ACPI_INTERRUPT_PMI = 1, 80 ACPI_INTERRUPT_INIT, 81 ACPI_INTERRUPT_CPEI, 82 ACPI_INTERRUPT_COUNT 83}; 84 85#define ACPI_SPACE_MEM 0 86 87enum acpi_address_range_id { 88 ACPI_ADDRESS_RANGE_MEMORY = 1, 89 ACPI_ADDRESS_RANGE_RESERVED = 2, 90 ACPI_ADDRESS_RANGE_ACPI = 3, 91 ACPI_ADDRESS_RANGE_NVS = 4, 92 ACPI_ADDRESS_RANGE_COUNT 93}; 94 95 96/* Table Handlers */ 97 98typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table); 99 100typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header, 101 const unsigned long end); 102 103#ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE 104void acpi_initrd_override(void *data, size_t size); 105#else 106static inline void acpi_initrd_override(void *data, size_t size) 107{ 108} 109#endif 110 111#define BAD_MADT_ENTRY(entry, end) ( \ 112 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \ 113 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry)) 114 115char * __acpi_map_table (unsigned long phys_addr, unsigned long size); 116void __acpi_unmap_table(char *map, unsigned long size); 117int early_acpi_boot_init(void); 118int acpi_boot_init (void); 119void acpi_boot_table_init (void); 120int acpi_mps_check (void); 121int acpi_numa_init (void); 122 123int acpi_table_init (void); 124int acpi_table_parse(char *id, acpi_tbl_table_handler handler); 125int __init acpi_table_parse_entries(char *id, unsigned long table_size, 126 int entry_id, 127 acpi_tbl_entry_handler handler, 128 unsigned int max_entries); 129int acpi_table_parse_madt(enum acpi_madt_type id, 130 acpi_tbl_entry_handler handler, 131 unsigned int max_entries); 132int acpi_parse_mcfg (struct acpi_table_header *header); 133void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); 134 135/* the following four functions are architecture-dependent */ 136void acpi_numa_slit_init (struct acpi_table_slit *slit); 137void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); 138void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); 139int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma); 140void acpi_numa_arch_fixup(void); 141 142#ifdef CONFIG_ACPI_HOTPLUG_CPU 143/* Arch dependent functions for cpu hotplug support */ 144int acpi_map_lsapic(acpi_handle handle, int physid, int *pcpu); 145int acpi_unmap_lsapic(int cpu); 146#endif /* CONFIG_ACPI_HOTPLUG_CPU */ 147 148int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); 149int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); 150void acpi_irq_stats_init(void); 151extern u32 acpi_irq_handled; 152extern u32 acpi_irq_not_handled; 153 154extern int sbf_port; 155extern unsigned long acpi_realmode_flags; 156 157int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity); 158int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); 159int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); 160 161#ifdef CONFIG_X86_IO_APIC 162extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity); 163#else 164#define acpi_get_override_irq(gsi, trigger, polarity) (-1) 165#endif 166/* 167 * This function undoes the effect of one call to acpi_register_gsi(). 168 * If this matches the last registration, any IRQ resources for gsi 169 * are freed. 170 */ 171void acpi_unregister_gsi (u32 gsi); 172 173struct pci_dev; 174 175int acpi_pci_irq_enable (struct pci_dev *dev); 176void acpi_penalize_isa_irq(int irq, int active); 177 178void acpi_pci_irq_disable (struct pci_dev *dev); 179 180extern int ec_read(u8 addr, u8 *val); 181extern int ec_write(u8 addr, u8 val); 182extern int ec_transaction(u8 command, 183 const u8 *wdata, unsigned wdata_len, 184 u8 *rdata, unsigned rdata_len); 185extern acpi_handle ec_get_handle(void); 186 187#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) 188 189typedef void (*wmi_notify_handler) (u32 value, void *context); 190 191extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, 192 u32 method_id, 193 const struct acpi_buffer *in, 194 struct acpi_buffer *out); 195extern acpi_status wmi_query_block(const char *guid, u8 instance, 196 struct acpi_buffer *out); 197extern acpi_status wmi_set_block(const char *guid, u8 instance, 198 const struct acpi_buffer *in); 199extern acpi_status wmi_install_notify_handler(const char *guid, 200 wmi_notify_handler handler, void *data); 201extern acpi_status wmi_remove_notify_handler(const char *guid); 202extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); 203extern bool wmi_has_guid(const char *guid); 204 205#endif /* CONFIG_ACPI_WMI */ 206 207#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 208#define ACPI_VIDEO_DEVICE_POSTING 0x0002 209#define ACPI_VIDEO_ROM_AVAILABLE 0x0004 210#define ACPI_VIDEO_BACKLIGHT 0x0008 211#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 212#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 213#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 214#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 215#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 216#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 217#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 218#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 219 220#if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) 221 222extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle); 223extern long acpi_is_video_device(acpi_handle handle); 224extern void acpi_video_dmi_promote_vendor(void); 225extern void acpi_video_dmi_demote_vendor(void); 226extern int acpi_video_backlight_support(void); 227extern int acpi_video_display_switch_support(void); 228 229#else 230 231static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle) 232{ 233 return 0; 234} 235 236static inline long acpi_is_video_device(acpi_handle handle) 237{ 238 return 0; 239} 240 241static inline void acpi_video_dmi_promote_vendor(void) 242{ 243} 244 245static inline void acpi_video_dmi_demote_vendor(void) 246{ 247} 248 249static inline int acpi_video_backlight_support(void) 250{ 251 return 0; 252} 253 254static inline int acpi_video_display_switch_support(void) 255{ 256 return 0; 257} 258 259#endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */ 260 261extern int acpi_blacklisted(void); 262extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d); 263extern void acpi_osi_setup(char *str); 264 265#ifdef CONFIG_ACPI_NUMA 266int acpi_get_node(acpi_handle handle); 267#else 268static inline int acpi_get_node(acpi_handle handle) 269{ 270 return 0; 271} 272#endif 273extern int acpi_paddr_to_node(u64 start_addr, u64 size); 274 275extern int pnpacpi_disabled; 276 277#define PXM_INVAL (-1) 278 279bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res); 280bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res); 281bool acpi_dev_resource_address_space(struct acpi_resource *ares, 282 struct resource *res); 283bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, 284 struct resource *res); 285unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable); 286bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, 287 struct resource *res); 288 289struct resource_list_entry { 290 struct list_head node; 291 struct resource res; 292}; 293 294void acpi_dev_free_resource_list(struct list_head *list); 295int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list, 296 int (*preproc)(struct acpi_resource *, void *), 297 void *preproc_data); 298 299int acpi_check_resource_conflict(const struct resource *res); 300 301int acpi_check_region(resource_size_t start, resource_size_t n, 302 const char *name); 303 304int acpi_resources_are_enforced(void); 305 306#ifdef CONFIG_HIBERNATION 307void __init acpi_no_s4_hw_signature(void); 308#endif 309 310#ifdef CONFIG_PM_SLEEP 311void __init acpi_old_suspend_ordering(void); 312void __init acpi_nvs_nosave(void); 313void __init acpi_nvs_nosave_s3(void); 314#endif /* CONFIG_PM_SLEEP */ 315 316struct acpi_osc_context { 317 char *uuid_str; /* UUID string */ 318 int rev; 319 struct acpi_buffer cap; /* list of DWORD capabilities */ 320 struct acpi_buffer ret; /* free by caller if success */ 321}; 322 323acpi_status acpi_str_to_uuid(char *str, u8 *uuid); 324acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); 325 326/* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */ 327#define OSC_QUERY_DWORD 0 /* DWORD 1 */ 328#define OSC_SUPPORT_DWORD 1 /* DWORD 2 */ 329#define OSC_CONTROL_DWORD 2 /* DWORD 3 */ 330 331/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */ 332#define OSC_QUERY_ENABLE 0x00000001 /* input */ 333#define OSC_REQUEST_ERROR 0x00000002 /* return */ 334#define OSC_INVALID_UUID_ERROR 0x00000004 /* return */ 335#define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */ 336#define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */ 337 338/* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */ 339#define OSC_SB_PAD_SUPPORT 0x00000001 340#define OSC_SB_PPC_OST_SUPPORT 0x00000002 341#define OSC_SB_PR3_SUPPORT 0x00000004 342#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008 343#define OSC_SB_APEI_SUPPORT 0x00000010 344#define OSC_SB_CPC_SUPPORT 0x00000020 345 346extern bool osc_sb_apei_support_acked; 347 348/* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */ 349#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001 350#define OSC_PCI_ASPM_SUPPORT 0x00000002 351#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004 352#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008 353#define OSC_PCI_MSI_SUPPORT 0x00000010 354#define OSC_PCI_SUPPORT_MASKS 0x0000001f 355 356/* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */ 357#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001 358#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002 359#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004 360#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008 361#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010 362#define OSC_PCI_CONTROL_MASKS 0x0000001f 363 364extern acpi_status acpi_pci_osc_control_set(acpi_handle handle, 365 u32 *mask, u32 req); 366 367/* Enable _OST when all relevant hotplug operations are enabled */ 368#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \ 369 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \ 370 defined(CONFIG_ACPI_CONTAINER) 371#define ACPI_HOTPLUG_OST 372#endif 373 374/* _OST Source Event Code (OSPM Action) */ 375#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100 376#define ACPI_OST_EC_OSPM_EJECT 0x103 377#define ACPI_OST_EC_OSPM_INSERTION 0x200 378 379/* _OST General Processing Status Code */ 380#define ACPI_OST_SC_SUCCESS 0x0 381#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1 382#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2 383 384/* _OST OS Shutdown Processing (0x100) Status Code */ 385#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80 386#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81 387#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82 388#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83 389 390/* _OST Ejection Request (0x3, 0x103) Status Code */ 391#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80 392#define ACPI_OST_SC_DEVICE_IN_USE 0x81 393#define ACPI_OST_SC_DEVICE_BUSY 0x82 394#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83 395#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84 396 397/* _OST Insertion Request (0x200) Status Code */ 398#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80 399#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81 400#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82 401 402extern void acpi_early_init(void); 403 404extern int acpi_nvs_register(__u64 start, __u64 size); 405 406extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 407 void *data); 408 409const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, 410 const struct device *dev); 411 412static inline bool acpi_driver_match_device(struct device *dev, 413 const struct device_driver *drv) 414{ 415 return !!acpi_match_device(drv->acpi_match_table, dev); 416} 417 418int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *); 419int acpi_device_modalias(struct device *, char *, int); 420 421#define ACPI_PTR(_ptr) (_ptr) 422 423#else /* !CONFIG_ACPI */ 424 425#define acpi_disabled 1 426 427#define ACPI_COMPANION(dev) (NULL) 428#define ACPI_COMPANION_SET(dev, adev) do { } while (0) 429#define ACPI_HANDLE(dev) (NULL) 430 431static inline const char *acpi_dev_name(struct acpi_device *adev) 432{ 433 return NULL; 434} 435 436static inline void acpi_early_init(void) { } 437 438static inline int early_acpi_boot_init(void) 439{ 440 return 0; 441} 442static inline int acpi_boot_init(void) 443{ 444 return 0; 445} 446 447static inline void acpi_boot_table_init(void) 448{ 449 return; 450} 451 452static inline int acpi_mps_check(void) 453{ 454 return 0; 455} 456 457static inline int acpi_check_resource_conflict(struct resource *res) 458{ 459 return 0; 460} 461 462static inline int acpi_check_region(resource_size_t start, resource_size_t n, 463 const char *name) 464{ 465 return 0; 466} 467 468struct acpi_table_header; 469static inline int acpi_table_parse(char *id, 470 int (*handler)(struct acpi_table_header *)) 471{ 472 return -ENODEV; 473} 474 475static inline int acpi_nvs_register(__u64 start, __u64 size) 476{ 477 return 0; 478} 479 480static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 481 void *data) 482{ 483 return 0; 484} 485 486struct acpi_device_id; 487 488static inline const struct acpi_device_id *acpi_match_device( 489 const struct acpi_device_id *ids, const struct device *dev) 490{ 491 return NULL; 492} 493 494static inline bool acpi_driver_match_device(struct device *dev, 495 const struct device_driver *drv) 496{ 497 return false; 498} 499 500static inline int acpi_device_uevent_modalias(struct device *dev, 501 struct kobj_uevent_env *env) 502{ 503 return -ENODEV; 504} 505 506static inline int acpi_device_modalias(struct device *dev, 507 char *buf, int size) 508{ 509 return -ENODEV; 510} 511 512#define ACPI_PTR(_ptr) (NULL) 513 514#endif /* !CONFIG_ACPI */ 515 516#ifdef CONFIG_ACPI 517void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, 518 u32 pm1a_ctrl, u32 pm1b_ctrl)); 519 520acpi_status acpi_os_prepare_sleep(u8 sleep_state, 521 u32 pm1a_control, u32 pm1b_control); 522 523void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, 524 u32 val_a, u32 val_b)); 525 526acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, 527 u32 val_a, u32 val_b); 528 529#ifdef CONFIG_X86 530void arch_reserve_mem_area(acpi_physical_address addr, size_t size); 531#else 532static inline void arch_reserve_mem_area(acpi_physical_address addr, 533 size_t size) 534{ 535} 536#endif /* CONFIG_X86 */ 537#else 538#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) 539#endif 540 541#if defined(CONFIG_ACPI) && defined(CONFIG_PM_RUNTIME) 542int acpi_dev_runtime_suspend(struct device *dev); 543int acpi_dev_runtime_resume(struct device *dev); 544int acpi_subsys_runtime_suspend(struct device *dev); 545int acpi_subsys_runtime_resume(struct device *dev); 546#else 547static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; } 548static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; } 549static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } 550static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } 551#endif 552 553#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) 554int acpi_dev_suspend_late(struct device *dev); 555int acpi_dev_resume_early(struct device *dev); 556int acpi_subsys_prepare(struct device *dev); 557int acpi_subsys_suspend_late(struct device *dev); 558int acpi_subsys_resume_early(struct device *dev); 559#else 560static inline int acpi_dev_suspend_late(struct device *dev) { return 0; } 561static inline int acpi_dev_resume_early(struct device *dev) { return 0; } 562static inline int acpi_subsys_prepare(struct device *dev) { return 0; } 563static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } 564static inline int acpi_subsys_resume_early(struct device *dev) { return 0; } 565#endif 566 567#if defined(CONFIG_ACPI) && defined(CONFIG_PM) 568struct acpi_device *acpi_dev_pm_get_node(struct device *dev); 569int acpi_dev_pm_attach(struct device *dev, bool power_on); 570void acpi_dev_pm_detach(struct device *dev, bool power_off); 571#else 572static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev) 573{ 574 return NULL; 575} 576static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) 577{ 578 return -ENODEV; 579} 580static inline void acpi_dev_pm_detach(struct device *dev, bool power_off) {} 581#endif 582 583#ifdef CONFIG_ACPI 584__printf(3, 4) 585void acpi_handle_printk(const char *level, acpi_handle handle, 586 const char *fmt, ...); 587#else /* !CONFIG_ACPI */ 588static inline __printf(3, 4) void 589acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} 590#endif /* !CONFIG_ACPI */ 591 592/* 593 * acpi_handle_<level>: Print message with ACPI prefix and object path 594 * 595 * These interfaces acquire the global namespace mutex to obtain an object 596 * path. In interrupt context, it shows the object path as <n/a>. 597 */ 598#define acpi_handle_emerg(handle, fmt, ...) \ 599 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__) 600#define acpi_handle_alert(handle, fmt, ...) \ 601 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__) 602#define acpi_handle_crit(handle, fmt, ...) \ 603 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__) 604#define acpi_handle_err(handle, fmt, ...) \ 605 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__) 606#define acpi_handle_warn(handle, fmt, ...) \ 607 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__) 608#define acpi_handle_notice(handle, fmt, ...) \ 609 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__) 610#define acpi_handle_info(handle, fmt, ...) \ 611 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__) 612 613/* REVISIT: Support CONFIG_DYNAMIC_DEBUG when necessary */ 614#if defined(DEBUG) || defined(CONFIG_DYNAMIC_DEBUG) 615#define acpi_handle_debug(handle, fmt, ...) \ 616 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__) 617#else 618#define acpi_handle_debug(handle, fmt, ...) \ 619({ \ 620 if (0) \ 621 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \ 622 0; \ 623}) 624#endif 625 626#endif /*_LINUX_ACPI_H*/