diff options
Diffstat (limited to 'include/acpi/platform/aclinux.h')
| -rw-r--r-- | include/acpi/platform/aclinux.h | 290 |
1 files changed, 168 insertions, 122 deletions
diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h index 68534ef86ec8..edbbc9061d1e 100644 --- a/include/acpi/platform/aclinux.h +++ b/include/acpi/platform/aclinux.h @@ -1,93 +1,210 @@ +/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */ /****************************************************************************** * * Name: aclinux.h - OS specific defines, etc. for Linux * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2013, Intel Corp. - * All rights reserved. + * Copyright (C) 2000 - 2025, Intel Corp. * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ + *****************************************************************************/ #ifndef __ACLINUX_H__ #define __ACLINUX_H__ +#ifdef __KERNEL__ + +/* ACPICA external files should not include ACPICA headers directly. */ + +#if !defined(BUILDING_ACPICA) && !defined(_LINUX_ACPI_H) +#error "Please do not include <acpi/acpi.h> directly, include <linux/acpi.h> instead." +#endif + +#endif + /* Common (in-kernel/user-space) ACPICA configuration */ #define ACPI_USE_SYSTEM_CLIBRARY #define ACPI_USE_DO_WHILE_0 -#define ACPI_MUTEX_TYPE ACPI_BINARY_SEMAPHORE - +#define ACPI_IGNORE_PACKAGE_RESOLUTION_ERRORS #ifdef __KERNEL__ +#define ACPI_USE_SYSTEM_INTTYPES +#define ACPI_USE_GPE_POLLING + +/* Kernel specific ACPICA configuration */ + +#ifdef CONFIG_PCI +#define ACPI_PCI_CONFIGURED +#endif + +#ifdef CONFIG_ACPI_REDUCED_HARDWARE_ONLY +#define ACPI_REDUCED_HARDWARE 1 +#endif + +#ifdef CONFIG_ACPI_DEBUGGER +#define ACPI_DEBUGGER +#endif + +#ifdef CONFIG_ACPI_DEBUG +#define ACPI_MUTEX_DEBUG +#endif + #include <linux/string.h> #include <linux/kernel.h> #include <linux/ctype.h> #include <linux/sched.h> #include <linux/atomic.h> -#include <asm/div64.h> -#include <asm/acpi.h> +#include <linux/math64.h> #include <linux/slab.h> #include <linux/spinlock_types.h> -#include <asm/current.h> +#ifdef EXPORT_ACPI_INTERFACES +#include <linux/export.h> +#endif +#ifdef CONFIG_ACPI +#include <asm/acenv.h> +#endif + +#define ACPI_INIT_FUNCTION __init + +/* Use a specific bugging default separate from ACPICA */ + +#undef ACPI_DEBUG_DEFAULT +#define ACPI_DEBUG_DEFAULT (ACPI_LV_INFO | ACPI_LV_REPAIR) + +#ifndef CONFIG_ACPI + +/* External globals for __KERNEL__, stubs is needed */ + +#define ACPI_GLOBAL(t,a) +#define ACPI_INIT_GLOBAL(t,a,b) + +/* Generating stubs for configurable ACPICA macros */ + +#define ACPI_NO_MEM_ALLOCATIONS + +/* Generating stubs for configurable ACPICA functions */ + +#define ACPI_NO_ERROR_MESSAGES +#undef ACPI_DEBUG_OUTPUT + +/* External interface for __KERNEL__, stub is needed */ + +#define ACPI_EXTERNAL_RETURN_STATUS(prototype) \ + static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);} +#define ACPI_EXTERNAL_RETURN_OK(prototype) \ + static ACPI_INLINE prototype {return(AE_OK);} +#define ACPI_EXTERNAL_RETURN_VOID(prototype) \ + static ACPI_INLINE prototype {return;} +#define ACPI_EXTERNAL_RETURN_UINT32(prototype) \ + static ACPI_INLINE prototype {return(0);} +#define ACPI_EXTERNAL_RETURN_PTR(prototype) \ + static ACPI_INLINE prototype {return(NULL);} + +#endif /* CONFIG_ACPI */ /* Host-dependent types and defines for in-kernel ACPICA */ #define ACPI_MACHINE_WIDTH BITS_PER_LONG +#define ACPI_USE_NATIVE_MATH64 #define ACPI_EXPORT_SYMBOL(symbol) EXPORT_SYMBOL(symbol); #define strtoul simple_strtoul #define acpi_cache_t struct kmem_cache #define acpi_spinlock spinlock_t * +#define acpi_raw_spinlock raw_spinlock_t * #define acpi_cpu_flags unsigned long -#else /* !__KERNEL__ */ +#define acpi_uintptr_t uintptr_t + +#define ACPI_TO_INTEGER(p) ((uintptr_t)(p)) +#define ACPI_OFFSET(d, f) offsetof(d, f) -#include <stdarg.h> -#include <string.h> -#include <stdlib.h> -#include <ctype.h> +/* Use native linux version of acpi_os_allocate_zeroed */ + +#define USE_NATIVE_ALLOCATE_ZEROED + +/* Use logical addresses for accessing GPE registers in system memory */ + +#define ACPI_GPE_USE_LOGICAL_ADDRESSES + +/* + * Overrides for in-kernel ACPICA + */ +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate_zeroed +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_free +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_object +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_thread_id +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_lock +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_raw_lock +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_raw_lock +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_raw_lock +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_release_raw_lock + +/* + * OSL interfaces used by debugger/disassembler + */ +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_readable +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_writable +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize_debugger +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate_debugger + +/* + * OSL interfaces used by utilities + */ +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_redirect_output +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_name +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_index +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_address +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_open_directory +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_next_filename +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_close_directory + +#define ACPI_MSG_ERROR KERN_ERR "ACPI Error: " +#define ACPI_MSG_EXCEPTION KERN_ERR "ACPI Exception: " +#define ACPI_MSG_WARNING KERN_WARNING "ACPI Warning: " +#define ACPI_MSG_INFO KERN_INFO "ACPI: " + +#define ACPI_MSG_BIOS_ERROR KERN_ERR "ACPI BIOS Error (bug): " +#define ACPI_MSG_BIOS_WARNING KERN_WARNING "ACPI BIOS Warning (bug): " + +/* + * Linux wants to use designated initializers for function pointer structs. + */ +#define ACPI_STRUCT_INIT(field, value) .field = value + +#else /* !__KERNEL__ */ + +#define ACPI_USE_STANDARD_HEADERS + +#ifdef ACPI_USE_STANDARD_HEADERS +#include <stddef.h> #include <unistd.h> +#include <stdint.h> + +#define ACPI_OFFSET(d, f) offsetof(d, f) +#endif + +/* Define/disable kernel-specific declarators */ + +#ifndef __init +#define __init +#endif +#ifndef __iomem +#define __iomem +#endif /* Host-dependent types and defines for user-space ACPICA */ #define ACPI_FLUSH_CPU_CACHE() #define ACPI_CAST_PTHREAD_T(pthread) ((acpi_thread_id) (pthread)) -#if defined(__ia64__) || defined(__x86_64__) +#if defined(__ia64__) || (defined(__x86_64__) && !defined(__ILP32__)) ||\ + defined(__aarch64__) || defined(__PPC64__) ||\ + defined(__s390x__) || defined(__loongarch__) ||\ + (defined(__riscv) && (defined(__LP64__) || defined(_LP64))) #define ACPI_MACHINE_WIDTH 64 #define COMPILER_DEPENDENT_INT64 long #define COMPILER_DEPENDENT_UINT64 unsigned long @@ -96,84 +213,13 @@ #define COMPILER_DEPENDENT_INT64 long long #define COMPILER_DEPENDENT_UINT64 unsigned long long #define ACPI_USE_NATIVE_DIVIDE +#define ACPI_USE_NATIVE_MATH64 #endif #ifndef __cdecl #define __cdecl #endif -#endif /* __KERNEL__ */ - -/* Linux uses GCC */ - -#include <acpi/platform/acgcc.h> - -#ifdef __KERNEL__ -#include <acpi/actypes.h> -/* - * Overrides for in-kernel ACPICA - */ -static inline acpi_thread_id acpi_os_get_thread_id(void) -{ - return (acpi_thread_id)(unsigned long)current; -} - -/* - * The irqs_disabled() check is for resume from RAM. - * Interrupts are off during resume, just like they are for boot. - * However, boot has (system_state != SYSTEM_RUNNING) - * to quiet __might_sleep() in kmalloc() and resume does not. - */ -static inline void *acpi_os_allocate(acpi_size size) -{ - return kmalloc(size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL); -} - -static inline void *acpi_os_allocate_zeroed(acpi_size size) -{ - return kzalloc(size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL); -} - -static inline void *acpi_os_acquire_object(acpi_cache_t * cache) -{ - return kmem_cache_zalloc(cache, - irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL); -} - -#define ACPI_ALLOCATE(a) acpi_os_allocate(a) -#define ACPI_ALLOCATE_ZEROED(a) acpi_os_allocate_zeroed(a) -#define ACPI_FREE(a) kfree(a) - -#ifndef CONFIG_PREEMPT -/* - * Used within ACPICA to show where it is safe to preempt execution - * when CONFIG_PREEMPT=n - */ -#define ACPI_PREEMPTION_POINT() \ - do { \ - if (!irqs_disabled()) \ - cond_resched(); \ - } while (0) -#endif +#endif /* __KERNEL__ */ -/* - * When lockdep is enabled, the spin_lock_init() macro stringifies it's - * argument and uses that as a name for the lock in debugging. - * By executing spin_lock_init() in a macro the key changes from "lock" for - * all locks to the name of the argument of acpi_os_create_lock(), which - * prevents lockdep from reporting false positives for ACPICA locks. - */ -#define acpi_os_create_lock(__handle) \ -({ \ - spinlock_t *lock = ACPI_ALLOCATE(sizeof(*lock)); \ - \ - if (lock) { \ - *(__handle) = lock; \ - spin_lock_init(*(__handle)); \ - } \ - lock ? AE_OK : AE_NO_MEMORY; \ -}) - -#endif /* __KERNEL__ */ - -#endif /* __ACLINUX_H__ */ +#endif /* __ACLINUX_H__ */ |
