Initial import

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diff --git a/include/acpi/acpiosxf.h b/include/acpi/acpiosxf.h
new file mode 100644
index 000000000..0bc78df66
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+++ b/include/acpi/acpiosxf.h
@@ -0,0 +1,433 @@
+/******************************************************************************
+ *
+ * Name: acpiosxf.h - All interfaces to the OS Services Layer (OSL). These
+ *                    interfaces must be implemented by OSL to interface the
+ *                    ACPI components to the host operating system.
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2015, Intel Corp.
+ * All rights reserved.
+ *
+ * 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 __ACPIOSXF_H__
+#define __ACPIOSXF_H__
+
+#include <acpi/platform/acenv.h>
+#include <acpi/actypes.h>
+
+/* Types for acpi_os_execute */
+
+typedef enum {
+	OSL_GLOBAL_LOCK_HANDLER,
+	OSL_NOTIFY_HANDLER,
+	OSL_GPE_HANDLER,
+	OSL_DEBUGGER_THREAD,
+	OSL_EC_POLL_HANDLER,
+	OSL_EC_BURST_HANDLER
+} acpi_execute_type;
+
+#define ACPI_NO_UNIT_LIMIT          ((u32) -1)
+#define ACPI_MUTEX_SEM              1
+
+/* Functions for acpi_os_signal */
+
+#define ACPI_SIGNAL_FATAL           0
+#define ACPI_SIGNAL_BREAKPOINT      1
+
+struct acpi_signal_fatal_info {
+	u32 type;
+	u32 code;
+	u32 argument;
+};
+
+/*
+ * OSL Initialization and shutdown primitives
+ */
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize
+acpi_status acpi_os_initialize(void);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate
+acpi_status acpi_os_terminate(void);
+#endif
+
+/*
+ * ACPI Table interfaces
+ */
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_root_pointer
+acpi_physical_address acpi_os_get_root_pointer(void);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_predefined_override
+acpi_status
+acpi_os_predefined_override(const struct acpi_predefined_names *init_val,
+			    acpi_string * new_val);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_table_override
+acpi_status
+acpi_os_table_override(struct acpi_table_header *existing_table,
+		       struct acpi_table_header **new_table);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_physical_table_override
+acpi_status
+acpi_os_physical_table_override(struct acpi_table_header *existing_table,
+				acpi_physical_address * new_address,
+				u32 *new_table_length);
+#endif
+
+/*
+ * Spinlock primitives
+ */
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_lock
+acpi_status acpi_os_create_lock(acpi_spinlock * out_handle);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_lock
+void acpi_os_delete_lock(acpi_spinlock handle);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_lock
+acpi_cpu_flags acpi_os_acquire_lock(acpi_spinlock handle);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_release_lock
+void acpi_os_release_lock(acpi_spinlock handle, acpi_cpu_flags flags);
+#endif
+
+/*
+ * Semaphore primitives
+ */
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_semaphore
+acpi_status
+acpi_os_create_semaphore(u32 max_units,
+			 u32 initial_units, acpi_semaphore * out_handle);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_semaphore
+acpi_status acpi_os_delete_semaphore(acpi_semaphore handle);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_wait_semaphore
+acpi_status
+acpi_os_wait_semaphore(acpi_semaphore handle, u32 units, u16 timeout);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_signal_semaphore
+acpi_status acpi_os_signal_semaphore(acpi_semaphore handle, u32 units);
+#endif
+
+/*
+ * Mutex primitives. May be configured to use semaphores instead via
+ * ACPI_MUTEX_TYPE (see platform/acenv.h)
+ */
+#if (ACPI_MUTEX_TYPE != ACPI_BINARY_SEMAPHORE)
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_mutex
+acpi_status acpi_os_create_mutex(acpi_mutex * out_handle);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_mutex
+void acpi_os_delete_mutex(acpi_mutex handle);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_mutex
+acpi_status acpi_os_acquire_mutex(acpi_mutex handle, u16 timeout);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_release_mutex
+void acpi_os_release_mutex(acpi_mutex handle);
+#endif
+
+#endif
+
+/*
+ * Memory allocation and mapping
+ */
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate
+void *acpi_os_allocate(acpi_size size);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate_zeroed
+void *acpi_os_allocate_zeroed(acpi_size size);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_free
+void acpi_os_free(void *memory);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_map_memory
+void *acpi_os_map_memory(acpi_physical_address where, acpi_size length);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_unmap_memory
+void acpi_os_unmap_memory(void *logical_address, acpi_size size);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_physical_address
+acpi_status
+acpi_os_get_physical_address(void *logical_address,
+			     acpi_physical_address * physical_address);
+#endif
+
+/*
+ * Memory/Object Cache
+ */
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_cache
+acpi_status
+acpi_os_create_cache(char *cache_name,
+		     u16 object_size,
+		     u16 max_depth, acpi_cache_t ** return_cache);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_cache
+acpi_status acpi_os_delete_cache(acpi_cache_t * cache);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_purge_cache
+acpi_status acpi_os_purge_cache(acpi_cache_t * cache);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_object
+void *acpi_os_acquire_object(acpi_cache_t * cache);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_release_object
+acpi_status acpi_os_release_object(acpi_cache_t * cache, void *object);
+#endif
+
+/*
+ * Interrupt handlers
+ */
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_install_interrupt_handler
+acpi_status
+acpi_os_install_interrupt_handler(u32 interrupt_number,
+				  acpi_osd_handler service_routine,
+				  void *context);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_remove_interrupt_handler
+acpi_status
+acpi_os_remove_interrupt_handler(u32 interrupt_number,
+				 acpi_osd_handler service_routine);
+#endif
+
+/*
+ * Threads and Scheduling
+ */
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_thread_id
+acpi_thread_id acpi_os_get_thread_id(void);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_execute
+acpi_status
+acpi_os_execute(acpi_execute_type type,
+		acpi_osd_exec_callback function, void *context);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_wait_events_complete
+void acpi_os_wait_events_complete(void);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_sleep
+void acpi_os_sleep(u64 milliseconds);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_stall
+void acpi_os_stall(u32 microseconds);
+#endif
+
+/*
+ * Platform and hardware-independent I/O interfaces
+ */
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_read_port
+acpi_status acpi_os_read_port(acpi_io_address address, u32 *value, u32 width);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_write_port
+acpi_status acpi_os_write_port(acpi_io_address address, u32 value, u32 width);
+#endif
+
+/*
+ * Platform and hardware-independent physical memory interfaces
+ */
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_read_memory
+acpi_status
+acpi_os_read_memory(acpi_physical_address address, u64 *value, u32 width);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_write_memory
+acpi_status
+acpi_os_write_memory(acpi_physical_address address, u64 value, u32 width);
+#endif
+
+/*
+ * Platform and hardware-independent PCI configuration space access
+ * Note: Can't use "Register" as a parameter, changed to "Reg" --
+ * certain compilers complain.
+ */
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_read_pci_configuration
+acpi_status
+acpi_os_read_pci_configuration(struct acpi_pci_id *pci_id,
+			       u32 reg, u64 *value, u32 width);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_write_pci_configuration
+acpi_status
+acpi_os_write_pci_configuration(struct acpi_pci_id *pci_id,
+				u32 reg, u64 value, u32 width);
+#endif
+
+/*
+ * Miscellaneous
+ */
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_readable
+u8 acpi_os_readable(void *pointer, acpi_size length);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_writable
+u8 acpi_os_writable(void *pointer, acpi_size length);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_timer
+u64 acpi_os_get_timer(void);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_signal
+acpi_status acpi_os_signal(u32 function, void *info);
+#endif
+
+/*
+ * Debug print routines
+ */
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_printf
+void ACPI_INTERNAL_VAR_XFACE acpi_os_printf(const char *format, ...);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_vprintf
+void acpi_os_vprintf(const char *format, va_list args);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_redirect_output
+void acpi_os_redirect_output(void *destination);
+#endif
+
+/*
+ * Debug input
+ */
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_line
+acpi_status acpi_os_get_line(char *buffer, u32 buffer_length, u32 *bytes_read);
+#endif
+
+/*
+ * Obtain ACPI table(s)
+ */
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_name
+acpi_status
+acpi_os_get_table_by_name(char *signature,
+			  u32 instance,
+			  struct acpi_table_header **table,
+			  acpi_physical_address * address);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_index
+acpi_status
+acpi_os_get_table_by_index(u32 index,
+			   struct acpi_table_header **table,
+			   u32 *instance, acpi_physical_address * address);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_address
+acpi_status
+acpi_os_get_table_by_address(acpi_physical_address address,
+			     struct acpi_table_header **table);
+#endif
+
+/*
+ * Directory manipulation
+ */
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_open_directory
+void *acpi_os_open_directory(char *pathname,
+			     char *wildcard_spec, char requested_file_type);
+#endif
+
+/* requeste_file_type values */
+
+#define REQUEST_FILE_ONLY                   0
+#define REQUEST_DIR_ONLY                    1
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_next_filename
+char *acpi_os_get_next_filename(void *dir_handle);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_close_directory
+void acpi_os_close_directory(void *dir_handle);
+#endif
+
+/*
+ * File I/O and related support
+ */
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_open_file
+ACPI_FILE acpi_os_open_file(const char *path, u8 modes);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_close_file
+void acpi_os_close_file(ACPI_FILE file);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_read_file
+int
+acpi_os_read_file(ACPI_FILE file,
+		  void *buffer, acpi_size size, acpi_size count);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_write_file
+int
+acpi_os_write_file(ACPI_FILE file,
+		   void *buffer, acpi_size size, acpi_size count);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_file_offset
+long acpi_os_get_file_offset(ACPI_FILE file);
+#endif
+
+#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_set_file_offset
+acpi_status acpi_os_set_file_offset(ACPI_FILE file, long offset, u8 from);
+#endif
+
+#endif				/* __ACPIOSXF_H__ */