kernel/include/acpi/platform/aclinux.h

   1 /******************************************************************************
   2  *
   3  * Name: aclinux.h - OS specific defines, etc. for Linux
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2015, Intel Corp.
   9  * All rights reserved.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions, and the following disclaimer,
  16  *    without modification.
  17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  18  *    substantially similar to the "NO WARRANTY" disclaimer below
  19  *    ("Disclaimer") and any redistribution must be conditioned upon
  20  *    including a substantially similar Disclaimer requirement for further
  21  *    binary redistribution.
  22  * 3. Neither the names of the above-listed copyright holders nor the names
  23  *    of any contributors may be used to endorse or promote products derived
  24  *    from this software without specific prior written permission.
  25  *
  26  * Alternatively, this software may be distributed under the terms of the
  27  * GNU General Public License ("GPL") version 2 as published by the Free
  28  * Software Foundation.
  29  *
  30  * NO WARRANTY
  31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  41  * POSSIBILITY OF SUCH DAMAGES.
  42  */
  43
  44 #ifndef __ACLINUX_H__
  45 #define __ACLINUX_H__
  46
  47 #ifdef __KERNEL__
  48
  49 /* ACPICA external files should not include ACPICA headers directly. */
  50
  51 #if !defined(BUILDING_ACPICA) && !defined(_LINUX_ACPI_H)
  52 #error "Please don't include <acpi/acpi.h> directly, include <linux/acpi.h> instead."
  53 #endif
  54
  55 #endif
  56
  57 /* Common (in-kernel/user-space) ACPICA configuration */
  58
  59 #define ACPI_USE_SYSTEM_CLIBRARY
  60 #define ACPI_USE_DO_WHILE_0
  61
  62 #ifdef __KERNEL__
  63
  64 #define ACPI_USE_SYSTEM_INTTYPES
  65
  66 /* Kernel specific ACPICA configuration */
  67
  68 #ifdef CONFIG_ACPI_REDUCED_HARDWARE_ONLY
  69 #define ACPI_REDUCED_HARDWARE 1
  70 #endif
  71
  72 #ifdef CONFIG_ACPI_DEBUGGER
  73 #define ACPI_DEBUGGER
  74 #endif
  75
  76 #include <linux/string.h>
  77 #include <linux/kernel.h>
  78 #include <linux/ctype.h>
  79 #include <linux/sched.h>
  80 #include <linux/atomic.h>
  81 #include <linux/math64.h>
  82 #include <linux/slab.h>
  83 #include <linux/spinlock_types.h>
  84 #ifdef EXPORT_ACPI_INTERFACES
  85 #include <linux/export.h>
  86 #endif
  87 #ifdef CONFIG_ACPI
  88 #include <asm/acenv.h>
  89 #endif
  90
  91 #ifndef CONFIG_ACPI
  92
  93 /* External globals for __KERNEL__, stubs is needed */
  94
  95 #define ACPI_GLOBAL(t,a)
  96 #define ACPI_INIT_GLOBAL(t,a,b)
  97
  98 /* Generating stubs for configurable ACPICA macros */
  99
 100 #define ACPI_NO_MEM_ALLOCATIONS
 101
 102 /* Generating stubs for configurable ACPICA functions */
 103
 104 #define ACPI_NO_ERROR_MESSAGES
 105 #undef ACPI_DEBUG_OUTPUT
 106
 107 /* External interface for __KERNEL__, stub is needed */
 108
 109 #define ACPI_EXTERNAL_RETURN_STATUS(prototype) \
 110         static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}
 111 #define ACPI_EXTERNAL_RETURN_OK(prototype) \
 112         static ACPI_INLINE prototype {return(AE_OK);}
 113 #define ACPI_EXTERNAL_RETURN_VOID(prototype) \
 114         static ACPI_INLINE prototype {return;}
 115 #define ACPI_EXTERNAL_RETURN_UINT32(prototype) \
 116         static ACPI_INLINE prototype {return(0);}
 117 #define ACPI_EXTERNAL_RETURN_PTR(prototype) \
 118         static ACPI_INLINE prototype {return(NULL);}
 119
 120 #endif                          /* CONFIG_ACPI */
 121
 122 /* Host-dependent types and defines for in-kernel ACPICA */
 123
 124 #define ACPI_MACHINE_WIDTH          BITS_PER_LONG
 125 #define ACPI_EXPORT_SYMBOL(symbol)  EXPORT_SYMBOL(symbol);
 126 #define strtoul                     simple_strtoul
 127
 128 #define acpi_cache_t                        struct kmem_cache
 129 #define acpi_spinlock                       spinlock_t *
 130 #define acpi_raw_spinlock               raw_spinlock_t *
 131 #define acpi_cpu_flags                      unsigned long
 132
 133 /* Use native linux version of acpi_os_allocate_zeroed */
 134
 135 #define USE_NATIVE_ALLOCATE_ZEROED
 136
 137 /*
 138  * Overrides for in-kernel ACPICA
 139  */
 140 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize
 141 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate
 142 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate
 143 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate_zeroed
 144 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_free
 145 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_object
 146 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_thread_id
 147 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_lock
 148
 149 #define acpi_os_create_raw_lock(__handle)                       \
 150 ({                                                              \
 151          raw_spinlock_t *lock = ACPI_ALLOCATE(sizeof(*lock));   \
 152                                                                 \
 153          if (lock) {                                            \
 154                 *(__handle) = lock;                             \
 155                 raw_spin_lock_init(*(__handle));                \
 156          }                                                      \
 157          lock ? AE_OK : AE_NO_MEMORY;                           \
 158  })
 159
 160 #define acpi_os_delete_raw_lock(__handle)       kfree(__handle)
 161
 162
 163 /*
 164  * OSL interfaces used by debugger/disassembler
 165  */
 166 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_readable
 167 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_writable
 168
 169 /*
 170  * OSL interfaces used by utilities
 171  */
 172 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_redirect_output
 173 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_name
 174 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_index
 175 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_address
 176 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_open_directory
 177 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_next_filename
 178 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_close_directory
 179
 180 #else                           /* !__KERNEL__ */
 181
 182 #include <stdarg.h>
 183 #include <string.h>
 184 #include <stdlib.h>
 185 #include <ctype.h>
 186 #include <unistd.h>
 187
 188 /* Define/disable kernel-specific declarators */
 189
 190 #ifndef __init
 191 #define __init
 192 #endif
 193
 194 /* Host-dependent types and defines for user-space ACPICA */
 195
 196 #define ACPI_FLUSH_CPU_CACHE()
 197 #define ACPI_CAST_PTHREAD_T(pthread) ((acpi_thread_id) (pthread))
 198
 199 #if defined(__ia64__)    || defined(__x86_64__) ||\
 200         defined(__aarch64__) || defined(__PPC64__)
 201 #define ACPI_MACHINE_WIDTH          64
 202 #define COMPILER_DEPENDENT_INT64    long
 203 #define COMPILER_DEPENDENT_UINT64   unsigned long
 204 #else
 205 #define ACPI_MACHINE_WIDTH          32
 206 #define COMPILER_DEPENDENT_INT64    long long
 207 #define COMPILER_DEPENDENT_UINT64   unsigned long long
 208 #define ACPI_USE_NATIVE_DIVIDE
 209 #endif
 210
 211 #ifndef __cdecl
 212 #define __cdecl
 213 #endif
 214
 215 #endif                          /* __KERNEL__ */
 216
 217 /* Linux uses GCC */
 218
 219 #include <acpi/platform/acgcc.h>
 220
 221 #endif                          /* __ACLINUX_H__ */