Merge back earlier ACPICA material.

Documentation/kernel-parameters.txt

@@ -237,7 +237,15 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			This feature is enabled by default.
 			This option allows to turn off the feature.
 
-	acpi_no_auto_ssdt	[HW,ACPI] Disable automatic loading of SSDT
+	acpi_no_static_ssdt	[HW,ACPI]
+			Disable installation of static SSDTs at early boot time
+			By default, SSDTs contained in the RSDT/XSDT will be
+			installed automatically and they will appear under
+			/sys/firmware/acpi/tables.
+			This option turns off this feature.
+			Note that specifying this option does not affect
+			dynamic table installation which will install SSDT
+			tables to /sys/firmware/acpi/tables/dynamic.
 
 	acpica_no_return_repair [HW, ACPI]
 			Disable AML predefined validation mechanism

drivers/acpi/acpica/Makefile

@@ -135,6 +135,7 @@ acpi-y +=		\
 	rsxface.o
 
 acpi-y +=		\
+	tbdata.o	\
 	tbfadt.o	\
 	tbfind.o	\
 	tbinstal.o	\

drivers/acpi/acpica/acapps.h

@@ -0,0 +1,170 @@
+/******************************************************************************
+ *
+ * Module Name: acapps - common include for ACPI applications/tools
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, 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 _ACAPPS
+#define _ACAPPS
+
+/* Common info for tool signons */
+
+#define ACPICA_NAME                 "Intel ACPI Component Architecture"
+#define ACPICA_COPYRIGHT            "Copyright (c) 2000 - 2014 Intel Corporation"
+
+#if ACPI_MACHINE_WIDTH == 64
+#define ACPI_WIDTH          "-64"
+
+#elif ACPI_MACHINE_WIDTH == 32
+#define ACPI_WIDTH          "-32"
+
+#else
+#error unknown ACPI_MACHINE_WIDTH
+#define ACPI_WIDTH          "-??"
+
+#endif
+
+/* Macros for signons and file headers */
+
+#define ACPI_COMMON_SIGNON(utility_name) \
+	"\n%s\n%s version %8.8X%s [%s]\n%s\n\n", \
+	ACPICA_NAME, \
+	utility_name, ((u32) ACPI_CA_VERSION), ACPI_WIDTH, __DATE__, \
+	ACPICA_COPYRIGHT
+
+#define ACPI_COMMON_HEADER(utility_name, prefix) \
+	"%s%s\n%s%s version %8.8X%s [%s]\n%s%s\n%s\n", \
+	prefix, ACPICA_NAME, \
+	prefix, utility_name, ((u32) ACPI_CA_VERSION), ACPI_WIDTH, __DATE__, \
+	prefix, ACPICA_COPYRIGHT, \
+	prefix
+
+/* Macros for usage messages */
+
+#define ACPI_USAGE_HEADER(usage) \
+	printf ("Usage: %s\nOptions:\n", usage);
+
+#define ACPI_OPTION(name, description) \
+	printf ("  %-18s%s\n", name, description);
+
+#define FILE_SUFFIX_DISASSEMBLY     "dsl"
+#define ACPI_TABLE_FILE_SUFFIX      ".dat"
+
+/*
+ * getopt
+ */
+int acpi_getopt(int argc, char **argv, char *opts);
+
+int acpi_getopt_argument(int argc, char **argv);
+
+extern int acpi_gbl_optind;
+extern int acpi_gbl_opterr;
+extern int acpi_gbl_sub_opt_char;
+extern char *acpi_gbl_optarg;
+
+/*
+ * cmfsize - Common get file size function
+ */
+u32 cm_get_file_size(FILE * file);
+
+#ifndef ACPI_DUMP_APP
+/*
+ * adisasm
+ */
+acpi_status
+ad_aml_disassemble(u8 out_to_file,
+		   char *filename, char *prefix, char **out_filename);
+
+void ad_print_statistics(void);
+
+acpi_status ad_find_dsdt(u8 **dsdt_ptr, u32 *dsdt_length);
+
+void ad_dump_tables(void);
+
+acpi_status ad_get_local_tables(void);
+
+acpi_status
+ad_parse_table(struct acpi_table_header *table,
+	       acpi_owner_id * owner_id, u8 load_table, u8 external);
+
+acpi_status ad_display_tables(char *filename, struct acpi_table_header *table);
+
+acpi_status ad_display_statistics(void);
+
+/*
+ * adwalk
+ */
+void
+acpi_dm_cross_reference_namespace(union acpi_parse_object *parse_tree_root,
+				  struct acpi_namespace_node *namespace_root,
+				  acpi_owner_id owner_id);
+
+void acpi_dm_dump_tree(union acpi_parse_object *origin);
+
+void acpi_dm_find_orphan_methods(union acpi_parse_object *origin);
+
+void
+acpi_dm_finish_namespace_load(union acpi_parse_object *parse_tree_root,
+			      struct acpi_namespace_node *namespace_root,
+			      acpi_owner_id owner_id);
+
+void
+acpi_dm_convert_resource_indexes(union acpi_parse_object *parse_tree_root,
+				 struct acpi_namespace_node *namespace_root);
+
+/*
+ * adfile
+ */
+acpi_status ad_initialize(void);
+
+char *fl_generate_filename(char *input_filename, char *suffix);
+
+acpi_status
+fl_split_input_pathname(char *input_path,
+			char **out_directory_path, char **out_filename);
+
+char *ad_generate_filename(char *prefix, char *table_id);
+
+void
+ad_write_table(struct acpi_table_header *table,
+	       u32 length, char *table_name, char *oem_table_id);
+#endif
+
+#endif				/* _ACAPPS */

drivers/acpi/acpica/acglobal.h

@@ -103,8 +103,8 @@ ACPI_INIT_GLOBAL(u8, acpi_gbl_auto_serialize_methods, TRUE);
 
 /*
  * Create the predefined _OSI method in the namespace? Default is TRUE
- * because ACPI CA is fully compatible with other ACPI implementations.
+ * because ACPICA is fully compatible with other ACPI implementations.
- * Changing this will revert ACPI CA (and machine ASL) to pre-OSI behavior.
+ * Changing this will revert ACPICA (and machine ASL) to pre-OSI behavior.
  */
 ACPI_INIT_GLOBAL(u8, acpi_gbl_create_osi_method, TRUE);
 
@@ -160,10 +160,10 @@ ACPI_INIT_GLOBAL(u8, acpi_gbl_truncate_io_addresses, FALSE);
 ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_auto_repair, FALSE);
 
 /*
- * Optionally do not load any SSDTs from the RSDT/XSDT during initialization.
+ * Optionally do not install any SSDTs from the RSDT/XSDT during initialization.
  * This can be useful for debugging ACPI problems on some machines.
  */
-ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_ssdt_table_load, FALSE);
+ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_ssdt_table_install, FALSE);
 
 /*
  * We keep track of the latest version of Windows that has been requested by
@@ -509,5 +509,6 @@ ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_debug_file, NULL);
  ****************************************************************************/
 
 extern const struct ah_predefined_name asl_predefined_info[];
+extern const struct ah_device_id asl_device_ids[];
 
 #endif				/* __ACGLOBAL_H__ */

drivers/acpi/acpica/aclocal.h

@@ -733,7 +733,8 @@ union acpi_parse_value {
 #define ACPI_DASM_MATCHOP               0x06	/* Parent opcode is a Match() operator */
 #define ACPI_DASM_LNOT_PREFIX           0x07	/* Start of a Lnot_equal (etc.) pair of opcodes */
 #define ACPI_DASM_LNOT_SUFFIX           0x08	/* End  of a Lnot_equal (etc.) pair of opcodes */
-#define ACPI_DASM_IGNORE                0x09	/* Not used at this time */
+#define ACPI_DASM_HID_STRING            0x09	/* String is a _HID or _CID */
+#define ACPI_DASM_IGNORE                0x0A	/* Not used at this time */
 
 /*
  * Generic operation (for example:  If, While, Store)
@@ -1147,4 +1148,9 @@ struct ah_predefined_name {
 #endif
 };
 
+struct ah_device_id {
+	char *name;
+	char *description;
+};
+
 #endif				/* __ACLOCAL_H__ */

drivers/acpi/acpica/actables.h

@@ -53,6 +53,26 @@ acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp);
 
 u8 *acpi_tb_scan_memory_for_rsdp(u8 *start_address, u32 length);
 
+/*
+ * tbdata - table data structure management
+ */
+acpi_status acpi_tb_get_next_root_index(u32 *table_index);
+
+void
+acpi_tb_init_table_descriptor(struct acpi_table_desc *table_desc,
+			      acpi_physical_address address,
+			      u8 flags, struct acpi_table_header *table);
+
+acpi_status
+acpi_tb_acquire_temp_table(struct acpi_table_desc *table_desc,
+			   acpi_physical_address address, u8 flags);
+
+void acpi_tb_release_temp_table(struct acpi_table_desc *table_desc);
+
+u8 acpi_tb_is_table_loaded(u32 table_index);
+
+void acpi_tb_set_table_loaded_flag(u32 table_index, u8 is_loaded);
+
 /*
  * tbfadt - FADT parse/convert/validate
  */
@@ -72,22 +92,35 @@ acpi_tb_find_table(char *signature,
  */
 acpi_status acpi_tb_resize_root_table_list(void);
 
-acpi_status acpi_tb_verify_table(struct acpi_table_desc *table_desc);
+acpi_status acpi_tb_validate_table(struct acpi_table_desc *table_desc);
 
-struct acpi_table_header *acpi_tb_table_override(struct acpi_table_header
+void acpi_tb_invalidate_table(struct acpi_table_desc *table_desc);
-						 *table_header,
-						 struct acpi_table_desc
-						 *table_desc);
 
 acpi_status
-acpi_tb_add_table(struct acpi_table_desc *table_desc, u32 *table_index);
+acpi_tb_verify_table(struct acpi_table_desc *table_desc, char *signature);
+
+void acpi_tb_override_table(struct acpi_table_desc *old_table_desc);
+
+acpi_status
+acpi_tb_acquire_table(struct acpi_table_desc *table_desc,
+		      struct acpi_table_header **table_ptr,
+		      u32 *table_length, u8 *table_flags);
+
+void
+acpi_tb_release_table(struct acpi_table_header *table,
+		      u32 table_length, u8 table_flags);
+
+acpi_status
+acpi_tb_install_standard_table(acpi_physical_address address,
+			       u8 flags,
+			       u8 reload, u8 override, u32 *table_index);
 
 acpi_status
 acpi_tb_store_table(acpi_physical_address address,
 		    struct acpi_table_header *table,
 		    u32 length, u8 flags, u32 *table_index);
 
-void acpi_tb_delete_table(struct acpi_table_desc *table_desc);
+void acpi_tb_uninstall_table(struct acpi_table_desc *table_desc);
 
 void acpi_tb_terminate(void);
 
@@ -99,10 +132,6 @@ acpi_status acpi_tb_release_owner_id(u32 table_index);
 
 acpi_status acpi_tb_get_owner_id(u32 table_index, acpi_owner_id *owner_id);
 
-u8 acpi_tb_is_table_loaded(u32 table_index);
-
-void acpi_tb_set_table_loaded_flag(u32 table_index, u8 is_loaded);
-
 /*
  * tbutils - table manager utilities
  */
@@ -124,8 +153,13 @@ void acpi_tb_check_dsdt_header(void);
 struct acpi_table_header *acpi_tb_copy_dsdt(u32 table_index);
 
 void
-acpi_tb_install_table(acpi_physical_address address,
+acpi_tb_install_table_with_override(u32 table_index,
-		      char *signature, u32 table_index);
+				    struct acpi_table_desc *new_table_desc,
+				    u8 override);
+
+acpi_status
+acpi_tb_install_fixed_table(acpi_physical_address address,
+			    char *signature, u32 table_index);
 
 acpi_status acpi_tb_parse_root_table(acpi_physical_address rsdp_address);
 

drivers/acpi/acpica/acutils.h

@@ -176,8 +176,7 @@ acpi_status acpi_ut_init_globals(void);
 
 char *acpi_ut_get_mutex_name(u32 mutex_id);
 
-const char *acpi_ut_get_notify_name(u32 notify_value);
+const char *acpi_ut_get_notify_name(u32 notify_value, acpi_object_type type);
-
 #endif
 
 char *acpi_ut_get_type_name(acpi_object_type type);
@@ -737,4 +736,11 @@ acpi_ut_method_error(const char *module_name,
 		     struct acpi_namespace_node *node,
 		     const char *path, acpi_status lookup_status);
 
+/*
+ * Utility functions for ACPI names and IDs
+ */
+const struct ah_predefined_name *acpi_ah_match_predefined_name(char *nameseg);
+
+const struct ah_device_id *acpi_ah_match_hardware_id(char *hid);
+
 #endif				/* _ACUTILS_H */

drivers/acpi/acpica/evmisc.c

@@ -167,7 +167,8 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node * node,
 			  "Dispatching Notify on [%4.4s] (%s) Value 0x%2.2X (%s) Node %p\n",
 			  acpi_ut_get_node_name(node),
 			  acpi_ut_get_type_name(node->type), notify_value,
-			  acpi_ut_get_notify_name(notify_value), node));
+			  acpi_ut_get_notify_name(notify_value, ACPI_TYPE_ANY),
+			  node));
 
 	status = acpi_os_execute(OSL_NOTIFY_HANDLER, acpi_ev_notify_dispatch,
 				 info);

drivers/acpi/acpica/evsci.c

@@ -117,7 +117,7 @@ static u32 ACPI_SYSTEM_XFACE acpi_ev_sci_xrupt_handler(void *context)
 	ACPI_FUNCTION_TRACE(ev_sci_xrupt_handler);
 
 	/*
-	 * We are guaranteed by the ACPI CA initialization/shutdown code that
+	 * We are guaranteed by the ACPICA initialization/shutdown code that
 	 * if this interrupt handler is installed, ACPI is enabled.
 	 */
 

drivers/acpi/acpica/evxface.c

@@ -239,7 +239,7 @@ acpi_remove_notify_handler(acpi_handle device,
 	union acpi_operand_object *obj_desc;
 	union acpi_operand_object *handler_obj;
 	union acpi_operand_object *previous_handler_obj;
-	acpi_status status;
+	acpi_status status = AE_OK;
 	u32 i;
 
 	ACPI_FUNCTION_TRACE(acpi_remove_notify_handler);
@@ -251,20 +251,17 @@ acpi_remove_notify_handler(acpi_handle device,
 		return_ACPI_STATUS(AE_BAD_PARAMETER);
 	}
 
-	/* Make sure all deferred notify tasks are completed */
-
-	acpi_os_wait_events_complete();
-
-	status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
 	/* Root Object. Global handlers are removed here */
 
 	if (device == ACPI_ROOT_OBJECT) {
 		for (i = 0; i < ACPI_NUM_NOTIFY_TYPES; i++) {
 			if (handler_type & (i + 1)) {
+				status =
+				    acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+				if (ACPI_FAILURE(status)) {
+					return_ACPI_STATUS(status);
+				}
+
 				if (!acpi_gbl_global_notify[i].handler ||
 				    (acpi_gbl_global_notify[i].handler !=
 				     handler)) {
@@ -277,31 +274,40 @@ acpi_remove_notify_handler(acpi_handle device,
 
 				acpi_gbl_global_notify[i].handler = NULL;
 				acpi_gbl_global_notify[i].context = NULL;
+
+				(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+
+				/* Make sure all deferred notify tasks are completed */
+
+				acpi_os_wait_events_complete();
 			}
 		}
 
-		goto unlock_and_exit;
+		return_ACPI_STATUS(AE_OK);
 	}
 
 	/* All other objects: Are Notifies allowed on this object? */
 
 	if (!acpi_ev_is_notify_object(node)) {
-		status = AE_TYPE;
+		return_ACPI_STATUS(AE_TYPE);
-		goto unlock_and_exit;
 	}
 
 	/* Must have an existing internal object */
 
 	obj_desc = acpi_ns_get_attached_object(node);
 	if (!obj_desc) {
-		status = AE_NOT_EXIST;
+		return_ACPI_STATUS(AE_NOT_EXIST);
-		goto unlock_and_exit;
 	}
 
 	/* Internal object exists. Find the handler and remove it */
 
 	for (i = 0; i < ACPI_NUM_NOTIFY_TYPES; i++) {
 		if (handler_type & (i + 1)) {
+			status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+			if (ACPI_FAILURE(status)) {
+				return_ACPI_STATUS(status);
+			}
+
 			handler_obj = obj_desc->common_notify.notify_list[i];
 			previous_handler_obj = NULL;
 
@@ -329,10 +335,17 @@ acpi_remove_notify_handler(acpi_handle device,
 				    handler_obj->notify.next[i];
 			}
 
+			(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+
+			/* Make sure all deferred notify tasks are completed */
+
+			acpi_os_wait_events_complete();
 			acpi_ut_remove_reference(handler_obj);
 		}
 	}
 
+	return_ACPI_STATUS(status);
+
 unlock_and_exit:
 	(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
 	return_ACPI_STATUS(status);
@@ -457,6 +470,8 @@ exit:
 	return_ACPI_STATUS(status);
 }
 
+ACPI_EXPORT_SYMBOL(acpi_install_sci_handler)
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_remove_sci_handler
@@ -468,7 +483,6 @@ exit:
  * DESCRIPTION: Remove a handler for a System Control Interrupt.
  *
  ******************************************************************************/
-
 acpi_status acpi_remove_sci_handler(acpi_sci_handler address)
 {
 	struct acpi_sci_handler_info *prev_sci_handler;
@@ -522,6 +536,8 @@ unlock_and_exit:
 	return_ACPI_STATUS(status);
 }
 
+ACPI_EXPORT_SYMBOL(acpi_remove_sci_handler)
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_install_global_event_handler
@@ -537,7 +553,6 @@ unlock_and_exit:
  *              Can be used to update event counters, etc.
  *
  ******************************************************************************/
-
 acpi_status
 acpi_install_global_event_handler(acpi_gbl_event_handler handler, void *context)
 {
@@ -840,10 +855,6 @@ acpi_remove_gpe_handler(acpi_handle gpe_device,
 		return_ACPI_STATUS(AE_BAD_PARAMETER);
 	}
 
-	/* Make sure all deferred GPE tasks are completed */
-
-	acpi_os_wait_events_complete();
-
 	status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
 	if (ACPI_FAILURE(status)) {
 		return_ACPI_STATUS(status);
@@ -895,9 +906,17 @@ acpi_remove_gpe_handler(acpi_handle gpe_device,
 		(void)acpi_ev_add_gpe_reference(gpe_event_info);
 	}
 
+	acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
+	(void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
+
+	/* Make sure all deferred GPE tasks are completed */
+
+	acpi_os_wait_events_complete();
+
 	/* Now we can free the handler object */
 
 	ACPI_FREE(handler);
+	return_ACPI_STATUS(status);
 
 unlock_and_exit:
 	acpi_os_release_lock(acpi_gbl_gpe_lock, flags);

drivers/acpi/acpica/exconfig.c

@@ -343,16 +343,14 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
 		struct acpi_walk_state *walk_state)
 {
 	union acpi_operand_object *ddb_handle;
+	struct acpi_table_header *table_header;
 	struct acpi_table_header *table;
-	struct acpi_table_desc table_desc;
 	u32 table_index;
 	acpi_status status;
 	u32 length;
 
 	ACPI_FUNCTION_TRACE(ex_load_op);
 
-	ACPI_MEMSET(&table_desc, 0, sizeof(struct acpi_table_desc));
-
 	/* Source Object can be either an op_region or a Buffer/Field */
 
 	switch (obj_desc->common.type) {
@@ -380,17 +378,17 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
 
 		/* Get the table header first so we can get the table length */
 
-		table = ACPI_ALLOCATE(sizeof(struct acpi_table_header));
+		table_header = ACPI_ALLOCATE(sizeof(struct acpi_table_header));
-		if (!table) {
+		if (!table_header) {
 			return_ACPI_STATUS(AE_NO_MEMORY);
 		}
 
 		status =
 		    acpi_ex_region_read(obj_desc,
 					sizeof(struct acpi_table_header),
-					ACPI_CAST_PTR(u8, table));
+					ACPI_CAST_PTR(u8, table_header));
-		length = table->length;
+		length = table_header->length;
-		ACPI_FREE(table);
+		ACPI_FREE(table_header);
 
 		if (ACPI_FAILURE(status)) {
 			return_ACPI_STATUS(status);
@@ -420,22 +418,19 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
 
 		/* Allocate a buffer for the table */
 
-		table_desc.pointer = ACPI_ALLOCATE(length);
+		table = ACPI_ALLOCATE(length);
-		if (!table_desc.pointer) {
+		if (!table) {
 			return_ACPI_STATUS(AE_NO_MEMORY);
 		}
 
 		/* Read the entire table */
 
 		status = acpi_ex_region_read(obj_desc, length,
-					     ACPI_CAST_PTR(u8,
+					     ACPI_CAST_PTR(u8, table));
-							   table_desc.pointer));
 		if (ACPI_FAILURE(status)) {
-			ACPI_FREE(table_desc.pointer);
+			ACPI_FREE(table);
 			return_ACPI_STATUS(status);
 		}
-
-		table_desc.address = obj_desc->region.address;
 		break;
 
 	case ACPI_TYPE_BUFFER:	/* Buffer or resolved region_field */
@@ -452,10 +447,10 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
 
 		/* Get the actual table length from the table header */
 
-		table =
+		table_header =
 		    ACPI_CAST_PTR(struct acpi_table_header,
 				  obj_desc->buffer.pointer);
-		length = table->length;
+		length = table_header->length;
 
 		/* Table cannot extend beyond the buffer */
 
@@ -470,13 +465,12 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
 		 * Copy the table from the buffer because the buffer could be modified
 		 * or even deleted in the future
 		 */
-		table_desc.pointer = ACPI_ALLOCATE(length);
+		table = ACPI_ALLOCATE(length);
-		if (!table_desc.pointer) {
+		if (!table) {
 			return_ACPI_STATUS(AE_NO_MEMORY);
 		}
 
-		ACPI_MEMCPY(table_desc.pointer, table, length);
+		ACPI_MEMCPY(table, table_header, length);
-		table_desc.address = ACPI_TO_INTEGER(table_desc.pointer);
 		break;
 
 	default:
@@ -484,27 +478,32 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
 		return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
 	}
 
-	/* Validate table checksum (will not get validated in tb_add_table) */
-
-	status = acpi_tb_verify_checksum(table_desc.pointer, length);
-	if (ACPI_FAILURE(status)) {
-		ACPI_FREE(table_desc.pointer);
-		return_ACPI_STATUS(status);
-	}
-
-	/* Complete the table descriptor */
-
-	table_desc.length = length;
-	table_desc.flags = ACPI_TABLE_ORIGIN_ALLOCATED;
-
 	/* Install the new table into the local data structures */
 
-	status = acpi_tb_add_table(&table_desc, &table_index);
+	ACPI_INFO((AE_INFO, "Dynamic OEM Table Load:"));
+	(void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
+
+	status = acpi_tb_install_standard_table(ACPI_PTR_TO_PHYSADDR(table),
+						ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL,
+						TRUE, TRUE, &table_index);
+
+	(void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
 	if (ACPI_FAILURE(status)) {
 
 		/* Delete allocated table buffer */
 
-		acpi_tb_delete_table(&table_desc);
+		ACPI_FREE(table);
+		return_ACPI_STATUS(status);
+	}
+
+	/*
+	 * Note: Now table is "INSTALLED", it must be validated before
+	 * loading.
+	 */
+	status =
+	    acpi_tb_validate_table(&acpi_gbl_root_table_list.
+				   tables[table_index]);
+	if (ACPI_FAILURE(status)) {
 		return_ACPI_STATUS(status);
 	}
 
@@ -536,9 +535,6 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
 		return_ACPI_STATUS(status);
 	}
 
-	ACPI_INFO((AE_INFO, "Dynamic OEM Table Load:"));
-	acpi_tb_print_table_header(0, table_desc.pointer);
-
 	/* Remove the reference by added by acpi_ex_store above */
 
 	acpi_ut_remove_reference(ddb_handle);
@@ -546,8 +542,7 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
 	/* Invoke table handler if present */
 
 	if (acpi_gbl_table_handler) {
-		(void)acpi_gbl_table_handler(ACPI_TABLE_EVENT_LOAD,
+		(void)acpi_gbl_table_handler(ACPI_TABLE_EVENT_LOAD, table,
-					     table_desc.pointer,
 					     acpi_gbl_table_handler_context);
 	}
 
@@ -575,6 +570,13 @@ acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle)
 
 	ACPI_FUNCTION_TRACE(ex_unload_table);
 
+	/*
+	 * Temporarily emit a warning so that the ASL for the machine can be
+	 * hopefully obtained. This is to say that the Unload() operator is
+	 * extremely rare if not completely unused.
+	 */
+	ACPI_WARNING((AE_INFO, "Received request to unload an ACPI table"));
+
 	/*
 	 * Validate the handle
 	 * Although the handle is partially validated in acpi_ex_reconfiguration()

drivers/acpi/acpica/exdump.c

@@ -134,9 +134,11 @@ static struct acpi_exdump_info acpi_ex_dump_method[9] = {
 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(method.aml_start), "Aml Start"}
 };
 
-static struct acpi_exdump_info acpi_ex_dump_mutex[5] = {
+static struct acpi_exdump_info acpi_ex_dump_mutex[6] = {
 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_mutex), NULL},
 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(mutex.sync_level), "Sync Level"},
+	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(mutex.original_sync_level),
+	 "Original Sync Level"},
 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.owner_thread), "Owner Thread"},
 	{ACPI_EXD_UINT16, ACPI_EXD_OFFSET(mutex.acquisition_depth),
 	 "Acquire Depth"},

drivers/acpi/acpica/tbdata.c

@@ -0,0 +1,723 @@
+/******************************************************************************
+ *
+ * Module Name: tbdata - Table manager data structure functions
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, 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.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acnamesp.h"
+#include "actables.h"
+
+#define _COMPONENT          ACPI_TABLES
+ACPI_MODULE_NAME("tbdata")
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_tb_init_table_descriptor
+ *
+ * PARAMETERS:  table_desc              - Table descriptor
+ *              address                 - Physical address of the table
+ *              flags                   - Allocation flags of the table
+ *              table                   - Pointer to the table
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Initialize a new table descriptor
+ *
+ ******************************************************************************/
+void
+acpi_tb_init_table_descriptor(struct acpi_table_desc *table_desc,
+			      acpi_physical_address address,
+			      u8 flags, struct acpi_table_header *table)
+{
+
+	/*
+	 * Initialize the table descriptor. Set the pointer to NULL, since the
+	 * table is not fully mapped at this time.
+	 */
+	ACPI_MEMSET(table_desc, 0, sizeof(struct acpi_table_desc));
+	table_desc->address = address;
+	table_desc->length = table->length;
+	table_desc->flags = flags;
+	ACPI_MOVE_32_TO_32(table_desc->signature.ascii, table->signature);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_tb_acquire_table
+ *
+ * PARAMETERS:  table_desc          - Table descriptor
+ *              table_ptr           - Where table is returned
+ *              table_length        - Where table length is returned
+ *              table_flags         - Where table allocation flags are returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Acquire an ACPI table. It can be used for tables not
+ *              maintained in the acpi_gbl_root_table_list.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_tb_acquire_table(struct acpi_table_desc *table_desc,
+		      struct acpi_table_header **table_ptr,
+		      u32 *table_length, u8 *table_flags)
+{
+	struct acpi_table_header *table = NULL;
+
+	switch (table_desc->flags & ACPI_TABLE_ORIGIN_MASK) {
+	case ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL:
+
+		table =
+		    acpi_os_map_memory(table_desc->address, table_desc->length);
+		break;
+
+	case ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL:
+	case ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL:
+
+		table =
+		    ACPI_CAST_PTR(struct acpi_table_header,
+				  table_desc->address);
+		break;
+
+	default:
+
+		break;
+	}
+
+	/* Table is not valid yet */
+
+	if (!table) {
+		return (AE_NO_MEMORY);
+	}
+
+	/* Fill the return values */
+
+	*table_ptr = table;
+	*table_length = table_desc->length;
+	*table_flags = table_desc->flags;
+	return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_tb_release_table
+ *
+ * PARAMETERS:  table               - Pointer for the table
+ *              table_length        - Length for the table
+ *              table_flags         - Allocation flags for the table
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Release a table. The inverse of acpi_tb_acquire_table().
+ *
+ ******************************************************************************/
+
+void
+acpi_tb_release_table(struct acpi_table_header *table,
+		      u32 table_length, u8 table_flags)
+{
+
+	switch (table_flags & ACPI_TABLE_ORIGIN_MASK) {
+	case ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL:
+
+		acpi_os_unmap_memory(table, table_length);
+		break;
+
+	case ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL:
+	case ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL:
+	default:
+
+		break;
+	}
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_tb_acquire_temp_table
+ *
+ * PARAMETERS:  table_desc          - Table descriptor to be acquired
+ *              address             - Address of the table
+ *              flags               - Allocation flags of the table
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function validates the table header to obtain the length
+ *              of a table and fills the table descriptor to make its state as
+ *              "INSTALLED". Such a table descriptor is only used for verified
+ *              installation.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_tb_acquire_temp_table(struct acpi_table_desc *table_desc,
+			   acpi_physical_address address, u8 flags)
+{
+	struct acpi_table_header *table_header;
+
+	switch (flags & ACPI_TABLE_ORIGIN_MASK) {
+	case ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL:
+
+		/* Get the length of the full table from the header */
+
+		table_header =
+		    acpi_os_map_memory(address,
+				       sizeof(struct acpi_table_header));
+		if (!table_header) {
+			return (AE_NO_MEMORY);
+		}
+
+		acpi_tb_init_table_descriptor(table_desc, address, flags,
+					      table_header);
+		acpi_os_unmap_memory(table_header,
+				     sizeof(struct acpi_table_header));
+		return (AE_OK);
+
+	case ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL:
+	case ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL:
+
+		table_header = ACPI_CAST_PTR(struct acpi_table_header, address);
+		if (!table_header) {
+			return (AE_NO_MEMORY);
+		}
+
+		acpi_tb_init_table_descriptor(table_desc, address, flags,
+					      table_header);
+		return (AE_OK);
+
+	default:
+
+		break;
+	}
+
+	/* Table is not valid yet */
+
+	return (AE_NO_MEMORY);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_tb_release_temp_table
+ *
+ * PARAMETERS:  table_desc          - Table descriptor to be released
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: The inverse of acpi_tb_acquire_temp_table().
+ *
+ *****************************************************************************/
+
+void acpi_tb_release_temp_table(struct acpi_table_desc *table_desc)
+{
+
+	/*
+	 * Note that the .Address is maintained by the callers of
+	 * acpi_tb_acquire_temp_table(), thus do not invoke acpi_tb_uninstall_table()
+	 * where .Address will be freed.
+	 */
+	acpi_tb_invalidate_table(table_desc);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_tb_validate_table
+ *
+ * PARAMETERS:  table_desc          - Table descriptor
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function is called to validate the table, the returned
+ *              table descriptor is in "VALIDATED" state.
+ *
+ *****************************************************************************/
+
+acpi_status acpi_tb_validate_table(struct acpi_table_desc *table_desc)
+{
+	acpi_status status = AE_OK;
+
+	ACPI_FUNCTION_TRACE(tb_validate_table);
+
+	/* Validate the table if necessary */
+
+	if (!table_desc->pointer) {
+		status = acpi_tb_acquire_table(table_desc, &table_desc->pointer,
+					       &table_desc->length,
+					       &table_desc->flags);
+		if (!table_desc->pointer) {
+			status = AE_NO_MEMORY;
+		}
+	}
+
+	return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_tb_invalidate_table
+ *
+ * PARAMETERS:  table_desc          - Table descriptor
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Invalidate one internal ACPI table, this is the inverse of
+ *              acpi_tb_validate_table().
+ *
+ ******************************************************************************/
+
+void acpi_tb_invalidate_table(struct acpi_table_desc *table_desc)
+{
+
+	ACPI_FUNCTION_TRACE(tb_invalidate_table);
+
+	/* Table must be validated */
+
+	if (!table_desc->pointer) {
+		return_VOID;
+	}
+
+	acpi_tb_release_table(table_desc->pointer, table_desc->length,
+			      table_desc->flags);
+	table_desc->pointer = NULL;
+
+	return_VOID;
+}
+
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_tb_verify_table
+ *
+ * PARAMETERS:  table_desc          - Table descriptor
+ *              signature           - Table signature to verify
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function is called to validate and verify the table, the
+ *              returned table descriptor is in "VALIDATED" state.
+ *
+ *****************************************************************************/
+
+acpi_status
+acpi_tb_verify_table(struct acpi_table_desc *table_desc, char *signature)
+{
+	acpi_status status = AE_OK;
+
+	ACPI_FUNCTION_TRACE(tb_verify_table);
+
+	/* Validate the table */
+
+	status = acpi_tb_validate_table(table_desc);
+	if (ACPI_FAILURE(status)) {
+		return_ACPI_STATUS(AE_NO_MEMORY);
+	}
+
+	/* If a particular signature is expected (DSDT/FACS), it must match */
+
+	if (signature && !ACPI_COMPARE_NAME(&table_desc->signature, signature)) {
+		ACPI_BIOS_ERROR((AE_INFO,
+				 "Invalid signature 0x%X for ACPI table, expected [%s]",
+				 table_desc->signature.integer, signature));
+		status = AE_BAD_SIGNATURE;
+		goto invalidate_and_exit;
+	}
+
+	/* Verify the checksum */
+
+	status =
+	    acpi_tb_verify_checksum(table_desc->pointer, table_desc->length);
+	if (ACPI_FAILURE(status)) {
+		ACPI_EXCEPTION((AE_INFO, AE_NO_MEMORY,
+				"%4.4s " ACPI_PRINTF_UINT
+				" Attempted table install failed",
+				acpi_ut_valid_acpi_name(table_desc->signature.
+							ascii) ? table_desc->
+				signature.ascii : "????",
+				ACPI_FORMAT_TO_UINT(table_desc->address)));
+		goto invalidate_and_exit;
+	}
+
+	return_ACPI_STATUS(AE_OK);
+
+invalidate_and_exit:
+	acpi_tb_invalidate_table(table_desc);
+	return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_tb_resize_root_table_list
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Expand the size of global table array
+ *
+ ******************************************************************************/
+
+acpi_status acpi_tb_resize_root_table_list(void)
+{
+	struct acpi_table_desc *tables;
+	u32 table_count;
+
+	ACPI_FUNCTION_TRACE(tb_resize_root_table_list);
+
+	/* allow_resize flag is a parameter to acpi_initialize_tables */
+
+	if (!(acpi_gbl_root_table_list.flags & ACPI_ROOT_ALLOW_RESIZE)) {
+		ACPI_ERROR((AE_INFO,
+			    "Resize of Root Table Array is not allowed"));
+		return_ACPI_STATUS(AE_SUPPORT);
+	}
+
+	/* Increase the Table Array size */
+
+	if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) {
+		table_count = acpi_gbl_root_table_list.max_table_count;
+	} else {
+		table_count = acpi_gbl_root_table_list.current_table_count;
+	}
+
+	tables = ACPI_ALLOCATE_ZEROED(((acpi_size) table_count +
+				       ACPI_ROOT_TABLE_SIZE_INCREMENT) *
+				      sizeof(struct acpi_table_desc));
+	if (!tables) {
+		ACPI_ERROR((AE_INFO,
+			    "Could not allocate new root table array"));
+		return_ACPI_STATUS(AE_NO_MEMORY);
+	}
+
+	/* Copy and free the previous table array */
+
+	if (acpi_gbl_root_table_list.tables) {
+		ACPI_MEMCPY(tables, acpi_gbl_root_table_list.tables,
+			    (acpi_size) table_count *
+			    sizeof(struct acpi_table_desc));
+
+		if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) {
+			ACPI_FREE(acpi_gbl_root_table_list.tables);
+		}
+	}
+
+	acpi_gbl_root_table_list.tables = tables;
+	acpi_gbl_root_table_list.max_table_count =
+	    table_count + ACPI_ROOT_TABLE_SIZE_INCREMENT;
+	acpi_gbl_root_table_list.flags |= ACPI_ROOT_ORIGIN_ALLOCATED;
+
+	return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_tb_get_next_root_index
+ *
+ * PARAMETERS:  table_index         - Where table index is returned
+ *
+ * RETURN:      Status and table index.
+ *
+ * DESCRIPTION: Allocate a new ACPI table entry to the global table list
+ *
+ ******************************************************************************/
+
+acpi_status acpi_tb_get_next_root_index(u32 *table_index)
+{
+	acpi_status status;
+
+	/* Ensure that there is room for the table in the Root Table List */
+
+	if (acpi_gbl_root_table_list.current_table_count >=
+	    acpi_gbl_root_table_list.max_table_count) {
+		status = acpi_tb_resize_root_table_list();
+		if (ACPI_FAILURE(status)) {
+			return (status);
+		}
+	}
+
+	*table_index = acpi_gbl_root_table_list.current_table_count;
+	acpi_gbl_root_table_list.current_table_count++;
+	return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_tb_terminate
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Delete all internal ACPI tables
+ *
+ ******************************************************************************/
+
+void acpi_tb_terminate(void)
+{
+	u32 i;
+
+	ACPI_FUNCTION_TRACE(tb_terminate);
+
+	(void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
+
+	/* Delete the individual tables */
+
+	for (i = 0; i < acpi_gbl_root_table_list.current_table_count; i++) {
+		acpi_tb_uninstall_table(&acpi_gbl_root_table_list.tables[i]);
+	}
+
+	/*
+	 * Delete the root table array if allocated locally. Array cannot be
+	 * mapped, so we don't need to check for that flag.
+	 */
+	if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) {
+		ACPI_FREE(acpi_gbl_root_table_list.tables);
+	}
+
+	acpi_gbl_root_table_list.tables = NULL;
+	acpi_gbl_root_table_list.flags = 0;
+	acpi_gbl_root_table_list.current_table_count = 0;
+
+	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "ACPI Tables freed\n"));
+
+	(void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
+	return_VOID;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_tb_delete_namespace_by_owner
+ *
+ * PARAMETERS:  table_index         - Table index
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Delete all namespace objects created when this table was loaded.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_tb_delete_namespace_by_owner(u32 table_index)
+{
+	acpi_owner_id owner_id;
+	acpi_status status;
+
+	ACPI_FUNCTION_TRACE(tb_delete_namespace_by_owner);
+
+	status = acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
+	if (ACPI_FAILURE(status)) {
+		return_ACPI_STATUS(status);
+	}
+
+	if (table_index >= acpi_gbl_root_table_list.current_table_count) {
+
+		/* The table index does not exist */
+
+		(void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
+		return_ACPI_STATUS(AE_NOT_EXIST);
+	}
+
+	/* Get the owner ID for this table, used to delete namespace nodes */
+
+	owner_id = acpi_gbl_root_table_list.tables[table_index].owner_id;
+	(void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
+
+	/*
+	 * Need to acquire the namespace writer lock to prevent interference
+	 * with any concurrent namespace walks. The interpreter must be
+	 * released during the deletion since the acquisition of the deletion
+	 * lock may block, and also since the execution of a namespace walk
+	 * must be allowed to use the interpreter.
+	 */
+	(void)acpi_ut_release_mutex(ACPI_MTX_INTERPRETER);
+	status = acpi_ut_acquire_write_lock(&acpi_gbl_namespace_rw_lock);
+
+	acpi_ns_delete_namespace_by_owner(owner_id);
+	if (ACPI_FAILURE(status)) {
+		return_ACPI_STATUS(status);
+	}
+
+	acpi_ut_release_write_lock(&acpi_gbl_namespace_rw_lock);
+
+	status = acpi_ut_acquire_mutex(ACPI_MTX_INTERPRETER);
+	return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_tb_allocate_owner_id
+ *
+ * PARAMETERS:  table_index         - Table index
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Allocates owner_id in table_desc
+ *
+ ******************************************************************************/
+
+acpi_status acpi_tb_allocate_owner_id(u32 table_index)
+{
+	acpi_status status = AE_BAD_PARAMETER;
+
+	ACPI_FUNCTION_TRACE(tb_allocate_owner_id);
+
+	(void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
+	if (table_index < acpi_gbl_root_table_list.current_table_count) {
+		status =
+		    acpi_ut_allocate_owner_id(&
+					      (acpi_gbl_root_table_list.
+					       tables[table_index].owner_id));
+	}
+
+	(void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
+	return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_tb_release_owner_id
+ *
+ * PARAMETERS:  table_index         - Table index
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Releases owner_id in table_desc
+ *
+ ******************************************************************************/
+
+acpi_status acpi_tb_release_owner_id(u32 table_index)
+{
+	acpi_status status = AE_BAD_PARAMETER;
+
+	ACPI_FUNCTION_TRACE(tb_release_owner_id);
+
+	(void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
+	if (table_index < acpi_gbl_root_table_list.current_table_count) {
+		acpi_ut_release_owner_id(&
+					 (acpi_gbl_root_table_list.
+					  tables[table_index].owner_id));
+		status = AE_OK;
+	}
+
+	(void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
+	return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_tb_get_owner_id
+ *
+ * PARAMETERS:  table_index         - Table index
+ *              owner_id            - Where the table owner_id is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: returns owner_id for the ACPI table
+ *
+ ******************************************************************************/
+
+acpi_status acpi_tb_get_owner_id(u32 table_index, acpi_owner_id * owner_id)
+{
+	acpi_status status = AE_BAD_PARAMETER;
+
+	ACPI_FUNCTION_TRACE(tb_get_owner_id);
+
+	(void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
+	if (table_index < acpi_gbl_root_table_list.current_table_count) {
+		*owner_id =
+		    acpi_gbl_root_table_list.tables[table_index].owner_id;
+		status = AE_OK;
+	}
+
+	(void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
+	return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_tb_is_table_loaded
+ *
+ * PARAMETERS:  table_index         - Index into the root table
+ *
+ * RETURN:      Table Loaded Flag
+ *
+ ******************************************************************************/
+
+u8 acpi_tb_is_table_loaded(u32 table_index)
+{
+	u8 is_loaded = FALSE;
+
+	(void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
+	if (table_index < acpi_gbl_root_table_list.current_table_count) {
+		is_loaded = (u8)
+		    (acpi_gbl_root_table_list.tables[table_index].flags &
+		     ACPI_TABLE_IS_LOADED);
+	}
+
+	(void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
+	return (is_loaded);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_tb_set_table_loaded_flag
+ *
+ * PARAMETERS:  table_index         - Table index
+ *              is_loaded           - TRUE if table is loaded, FALSE otherwise
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Sets the table loaded flag to either TRUE or FALSE.
+ *
+ ******************************************************************************/
+
+void acpi_tb_set_table_loaded_flag(u32 table_index, u8 is_loaded)
+{
+
+	(void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
+	if (table_index < acpi_gbl_root_table_list.current_table_count) {
+		if (is_loaded) {
+			acpi_gbl_root_table_list.tables[table_index].flags |=
+			    ACPI_TABLE_IS_LOADED;
+		} else {
+			acpi_gbl_root_table_list.tables[table_index].flags &=
+			    ~ACPI_TABLE_IS_LOADED;
+		}
+	}
+
+	(void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
+}

drivers/acpi/acpica/tbfadt.c

@@ -332,15 +332,15 @@ void acpi_tb_parse_fadt(u32 table_index)
 
 	/* Obtain the DSDT and FACS tables via their addresses within the FADT */
 
-	acpi_tb_install_table((acpi_physical_address) acpi_gbl_FADT.Xdsdt,
+	acpi_tb_install_fixed_table((acpi_physical_address) acpi_gbl_FADT.Xdsdt,
-			      ACPI_SIG_DSDT, ACPI_TABLE_INDEX_DSDT);
+				    ACPI_SIG_DSDT, ACPI_TABLE_INDEX_DSDT);
 
 	/* If Hardware Reduced flag is set, there is no FACS */
 
 	if (!acpi_gbl_reduced_hardware) {
-		acpi_tb_install_table((acpi_physical_address) acpi_gbl_FADT.
+		acpi_tb_install_fixed_table((acpi_physical_address)
-				      Xfacs, ACPI_SIG_FACS,
+					    acpi_gbl_FADT.Xfacs, ACPI_SIG_FACS,
-				      ACPI_TABLE_INDEX_FACS);
+					    ACPI_TABLE_INDEX_FACS);
 	}
 }
 

drivers/acpi/acpica/tbfind.c

@@ -99,8 +99,8 @@ acpi_tb_find_table(char *signature,
 			/* Table is not currently mapped, map it */
 
 			status =
-			    acpi_tb_verify_table(&acpi_gbl_root_table_list.
+			    acpi_tb_validate_table(&acpi_gbl_root_table_list.
-						 tables[i]);
+						   tables[i]);
 			if (ACPI_FAILURE(status)) {
 				return_ACPI_STATUS(status);
 			}

drivers/acpi/acpica/tbutils.c

@@ -178,9 +178,13 @@ struct acpi_table_header *acpi_tb_copy_dsdt(u32 table_index)
 	}
 
 	ACPI_MEMCPY(new_table, table_desc->pointer, table_desc->length);
-	acpi_tb_delete_table(table_desc);
+	acpi_tb_uninstall_table(table_desc);
-	table_desc->pointer = new_table;
+
-	table_desc->flags = ACPI_TABLE_ORIGIN_ALLOCATED;
+	acpi_tb_init_table_descriptor(&acpi_gbl_root_table_list.
+				      tables[ACPI_TABLE_INDEX_DSDT],
+				      ACPI_PTR_TO_PHYSADDR(new_table),
+				      ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL,
+				      new_table);
 
 	ACPI_INFO((AE_INFO,
 		   "Forced DSDT copy: length 0x%05X copied locally, original unmapped",
@@ -189,116 +193,6 @@ struct acpi_table_header *acpi_tb_copy_dsdt(u32 table_index)
 	return (new_table);
 }
 
-/*******************************************************************************
- *
- * FUNCTION:    acpi_tb_install_table
- *
- * PARAMETERS:  address                 - Physical address of DSDT or FACS
- *              signature               - Table signature, NULL if no need to
- *                                        match
- *              table_index             - Index into root table array
- *
- * RETURN:      None
- *
- * DESCRIPTION: Install an ACPI table into the global data structure. The
- *              table override mechanism is called to allow the host
- *              OS to replace any table before it is installed in the root
- *              table array.
- *
- ******************************************************************************/
-
-void
-acpi_tb_install_table(acpi_physical_address address,
-		      char *signature, u32 table_index)
-{
-	struct acpi_table_header *table;
-	struct acpi_table_header *final_table;
-	struct acpi_table_desc *table_desc;
-
-	if (!address) {
-		ACPI_ERROR((AE_INFO,
-			    "Null physical address for ACPI table [%s]",
-			    signature));
-		return;
-	}
-
-	/* Map just the table header */
-
-	table = acpi_os_map_memory(address, sizeof(struct acpi_table_header));
-	if (!table) {
-		ACPI_ERROR((AE_INFO,
-			    "Could not map memory for table [%s] at %p",
-			    signature, ACPI_CAST_PTR(void, address)));
-		return;
-	}
-
-	/* If a particular signature is expected (DSDT/FACS), it must match */
-
-	if (signature && !ACPI_COMPARE_NAME(table->signature, signature)) {
-		ACPI_BIOS_ERROR((AE_INFO,
-				 "Invalid signature 0x%X for ACPI table, expected [%s]",
-				 *ACPI_CAST_PTR(u32, table->signature),
-				 signature));
-		goto unmap_and_exit;
-	}
-
-	/*
-	 * Initialize the table entry. Set the pointer to NULL, since the
-	 * table is not fully mapped at this time.
-	 */
-	table_desc = &acpi_gbl_root_table_list.tables[table_index];
-
-	table_desc->address = address;
-	table_desc->pointer = NULL;
-	table_desc->length = table->length;
-	table_desc->flags = ACPI_TABLE_ORIGIN_MAPPED;
-	ACPI_MOVE_32_TO_32(table_desc->signature.ascii, table->signature);
-
-	/*
-	 * ACPI Table Override:
-	 *
-	 * Before we install the table, let the host OS override it with a new
-	 * one if desired. Any table within the RSDT/XSDT can be replaced,
-	 * including the DSDT which is pointed to by the FADT.
-	 *
-	 * NOTE: If the table is overridden, then final_table will contain a
-	 * mapped pointer to the full new table. If the table is not overridden,
-	 * or if there has been a physical override, then the table will be
-	 * fully mapped later (in verify table). In any case, we must
-	 * unmap the header that was mapped above.
-	 */
-	final_table = acpi_tb_table_override(table, table_desc);
-	if (!final_table) {
-		final_table = table;	/* There was no override */
-	}
-
-	acpi_tb_print_table_header(table_desc->address, final_table);
-
-	/* Set the global integer width (based upon revision of the DSDT) */
-
-	if (table_index == ACPI_TABLE_INDEX_DSDT) {
-		acpi_ut_set_integer_width(final_table->revision);
-	}
-
-	/*
-	 * If we have a physical override during this early loading of the ACPI
-	 * tables, unmap the table for now. It will be mapped again later when
-	 * it is actually used. This supports very early loading of ACPI tables,
-	 * before virtual memory is fully initialized and running within the
-	 * host OS. Note: A logical override has the ACPI_TABLE_ORIGIN_OVERRIDE
-	 * flag set and will not be deleted below.
-	 */
-	if (final_table != table) {
-		acpi_tb_delete_table(table_desc);
-	}
-
-unmap_and_exit:
-
-	/* Always unmap the table header that we mapped above */
-
-	acpi_os_unmap_memory(table, sizeof(struct acpi_table_header));
-}
-
 /*******************************************************************************
  *
  * FUNCTION:    acpi_tb_get_root_table_entry
@@ -464,6 +358,7 @@ acpi_status __init acpi_tb_parse_root_table(acpi_physical_address rsdp_address)
 	u32 length;
 	u8 *table_entry;
 	acpi_status status;
+	u32 table_index;
 
 	ACPI_FUNCTION_TRACE(tb_parse_root_table);
 
@@ -573,31 +468,24 @@ acpi_status __init acpi_tb_parse_root_table(acpi_physical_address rsdp_address)
 	/* Initialize the root table array from the RSDT/XSDT */
 
 	for (i = 0; i < table_count; i++) {
-		if (acpi_gbl_root_table_list.current_table_count >=
-		    acpi_gbl_root_table_list.max_table_count) {
-
-			/* There is no more room in the root table array, attempt resize */
-
-			status = acpi_tb_resize_root_table_list();
-			if (ACPI_FAILURE(status)) {
-				ACPI_WARNING((AE_INFO,
-					      "Truncating %u table entries!",
-					      (unsigned) (table_count -
-					       (acpi_gbl_root_table_list.
-							  current_table_count -
-							  2))));
-				break;
-			}
-		}
 
 		/* Get the table physical address (32-bit for RSDT, 64-bit for XSDT) */
 
-		acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.
+		status =
-						current_table_count].address =
+		    acpi_tb_install_standard_table(acpi_tb_get_root_table_entry
-		    acpi_tb_get_root_table_entry(table_entry, table_entry_size);
+						   (table_entry,
+						    table_entry_size),
+						   ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL,
+						   FALSE, TRUE, &table_index);
+
+		if (ACPI_SUCCESS(status) &&
+		    ACPI_COMPARE_NAME(&acpi_gbl_root_table_list.
+				      tables[table_index].signature,
+				      ACPI_SIG_FADT)) {
+			acpi_tb_parse_fadt(table_index);
+		}
 
 		table_entry += table_entry_size;
-		acpi_gbl_root_table_list.current_table_count++;
 	}
 
 	/*
@@ -606,22 +494,5 @@ acpi_status __init acpi_tb_parse_root_table(acpi_physical_address rsdp_address)
 	 */
 	acpi_os_unmap_memory(table, length);
 
-	/*
-	 * Complete the initialization of the root table array by examining
-	 * the header of each table
-	 */
-	for (i = 2; i < acpi_gbl_root_table_list.current_table_count; i++) {
-		acpi_tb_install_table(acpi_gbl_root_table_list.tables[i].
-				      address, NULL, i);
-
-		/* Special case for FADT - validate it then get the DSDT and FACS */
-
-		if (ACPI_COMPARE_NAME
-		    (&acpi_gbl_root_table_list.tables[i].signature,
-		     ACPI_SIG_FADT)) {
-			acpi_tb_parse_fadt(i);
-		}
-	}
-
 	return_ACPI_STATUS(AE_OK);
 }

drivers/acpi/acpica/tbxface.c

@@ -206,8 +206,8 @@ acpi_status
 acpi_get_table_header(char *signature,
 		      u32 instance, struct acpi_table_header *out_table_header)
 {
-       u32 i;
+	u32 i;
-       u32 j;
+	u32 j;
 	struct acpi_table_header *header;
 
 	/* Parameter validation */
@@ -233,7 +233,7 @@ acpi_get_table_header(char *signature,
 		if (!acpi_gbl_root_table_list.tables[i].pointer) {
 			if ((acpi_gbl_root_table_list.tables[i].flags &
 			     ACPI_TABLE_ORIGIN_MASK) ==
-			    ACPI_TABLE_ORIGIN_MAPPED) {
+			    ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL) {
 				header =
 				    acpi_os_map_memory(acpi_gbl_root_table_list.
 						       tables[i].address,
@@ -321,8 +321,8 @@ acpi_get_table_with_size(char *signature,
 	       u32 instance, struct acpi_table_header **out_table,
 	       acpi_size *tbl_size)
 {
-       u32 i;
+	u32 i;
-       u32 j;
+	u32 j;
 	acpi_status status;
 
 	/* Parameter validation */
@@ -346,7 +346,7 @@ acpi_get_table_with_size(char *signature,
 		}
 
 		status =
-		    acpi_tb_verify_table(&acpi_gbl_root_table_list.tables[i]);
+		    acpi_tb_validate_table(&acpi_gbl_root_table_list.tables[i]);
 		if (ACPI_SUCCESS(status)) {
 			*out_table = acpi_gbl_root_table_list.tables[i].pointer;
 			*tbl_size = acpi_gbl_root_table_list.tables[i].length;
@@ -390,7 +390,7 @@ ACPI_EXPORT_SYMBOL(acpi_get_table)
  *
  ******************************************************************************/
 acpi_status
-acpi_get_table_by_index(u32 table_index, struct acpi_table_header **table)
+acpi_get_table_by_index(u32 table_index, struct acpi_table_header ** table)
 {
 	acpi_status status;
 
@@ -416,8 +416,8 @@ acpi_get_table_by_index(u32 table_index, struct acpi_table_header **table)
 		/* Table is not mapped, map it */
 
 		status =
-		    acpi_tb_verify_table(&acpi_gbl_root_table_list.
+		    acpi_tb_validate_table(&acpi_gbl_root_table_list.
-					 tables[table_index]);
+					   tables[table_index]);
 		if (ACPI_FAILURE(status)) {
 			(void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
 			return_ACPI_STATUS(status);

drivers/acpi/acpica/tbxfload.c

@@ -117,7 +117,7 @@ static acpi_status acpi_tb_load_namespace(void)
 				tables[ACPI_TABLE_INDEX_DSDT].signature),
 			       ACPI_SIG_DSDT)
 	    ||
-	    ACPI_FAILURE(acpi_tb_verify_table
+	    ACPI_FAILURE(acpi_tb_validate_table
 			 (&acpi_gbl_root_table_list.
 			  tables[ACPI_TABLE_INDEX_DSDT]))) {
 		status = AE_NO_ACPI_TABLES;
@@ -128,7 +128,7 @@ static acpi_status acpi_tb_load_namespace(void)
 	 * Save the DSDT pointer for simple access. This is the mapped memory
 	 * address. We must take care here because the address of the .Tables
 	 * array can change dynamically as tables are loaded at run-time. Note:
-	 * .Pointer field is not validated until after call to acpi_tb_verify_table.
+	 * .Pointer field is not validated until after call to acpi_tb_validate_table.
 	 */
 	acpi_gbl_DSDT =
 	    acpi_gbl_root_table_list.tables[ACPI_TABLE_INDEX_DSDT].pointer;
@@ -174,24 +174,11 @@ static acpi_status acpi_tb_load_namespace(void)
 					(acpi_gbl_root_table_list.tables[i].
 					 signature), ACPI_SIG_PSDT))
 		    ||
-		    ACPI_FAILURE(acpi_tb_verify_table
+		    ACPI_FAILURE(acpi_tb_validate_table
 				 (&acpi_gbl_root_table_list.tables[i]))) {
 			continue;
 		}
 
-		/*
-		 * Optionally do not load any SSDTs from the RSDT/XSDT. This can
-		 * be useful for debugging ACPI problems on some machines.
-		 */
-		if (acpi_gbl_disable_ssdt_table_load) {
-			ACPI_INFO((AE_INFO, "Ignoring %4.4s at %p",
-				   acpi_gbl_root_table_list.tables[i].signature.
-				   ascii, ACPI_CAST_PTR(void,
-							acpi_gbl_root_table_list.
-							tables[i].address)));
-			continue;
-		}
-
 		/* Ignore errors while loading tables, get as many as possible */
 
 		(void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
@@ -206,6 +193,45 @@ unlock_and_exit:
 	return_ACPI_STATUS(status);
 }
 
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_install_table
+ *
+ * PARAMETERS:  address             - Address of the ACPI table to be installed.
+ *              physical            - Whether the address is a physical table
+ *                                    address or not
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Dynamically install an ACPI table.
+ *              Note: This function should only be invoked after
+ *                    acpi_initialize_tables() and before acpi_load_tables().
+ *
+ ******************************************************************************/
+
+acpi_status __init
+acpi_install_table(acpi_physical_address address, u8 physical)
+{
+	acpi_status status;
+	u8 flags;
+	u32 table_index;
+
+	ACPI_FUNCTION_TRACE(acpi_install_table);
+
+	if (physical) {
+		flags = ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL;
+	} else {
+		flags = ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL;
+	}
+
+	status = acpi_tb_install_standard_table(address, flags,
+						FALSE, FALSE, &table_index);
+
+	return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL_INIT(acpi_install_table)
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_load_table
@@ -222,11 +248,9 @@ unlock_and_exit:
  *              to ensure that the table is not deleted or unmapped.
  *
  ******************************************************************************/
-
 acpi_status acpi_load_table(struct acpi_table_header *table)
 {
 	acpi_status status;
-	struct acpi_table_desc table_desc;
 	u32 table_index;
 
 	ACPI_FUNCTION_TRACE(acpi_load_table);
@@ -237,14 +261,6 @@ acpi_status acpi_load_table(struct acpi_table_header *table)
 		return_ACPI_STATUS(AE_BAD_PARAMETER);
 	}
 
-	/* Init local table descriptor */
-
-	ACPI_MEMSET(&table_desc, 0, sizeof(struct acpi_table_desc));
-	table_desc.address = ACPI_PTR_TO_PHYSADDR(table);
-	table_desc.pointer = table;
-	table_desc.length = table->length;
-	table_desc.flags = ACPI_TABLE_ORIGIN_UNKNOWN;
-
 	/* Must acquire the interpreter lock during this operation */
 
 	status = acpi_ut_acquire_mutex(ACPI_MTX_INTERPRETER);
@@ -255,7 +271,24 @@ acpi_status acpi_load_table(struct acpi_table_header *table)
 	/* Install the table and load it into the namespace */
 
 	ACPI_INFO((AE_INFO, "Host-directed Dynamic ACPI Table Load:"));
-	status = acpi_tb_add_table(&table_desc, &table_index);
+	(void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
+
+	status = acpi_tb_install_standard_table(ACPI_PTR_TO_PHYSADDR(table),
+						ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL,
+						TRUE, FALSE, &table_index);
+
+	(void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
+	if (ACPI_FAILURE(status)) {
+		goto unlock_and_exit;
+	}
+
+	/*
+	 * Note: Now table is "INSTALLED", it must be validated before
+	 * using.
+	 */
+	status =
+	    acpi_tb_validate_table(&acpi_gbl_root_table_list.
+				   tables[table_index]);
 	if (ACPI_FAILURE(status)) {
 		goto unlock_and_exit;
 	}

drivers/acpi/acpica/utdecode.c

@@ -462,7 +462,7 @@ char *acpi_ut_get_mutex_name(u32 mutex_id)
 
 /* Names for Notify() values, used for debug output */
 
-static const char *acpi_gbl_notify_value_names[ACPI_NOTIFY_MAX + 1] = {
+static const char *acpi_gbl_generic_notify[ACPI_NOTIFY_MAX + 1] = {
 	/* 00 */ "Bus Check",
 	/* 01 */ "Device Check",
 	/* 02 */ "Device Wake",
@@ -473,23 +473,75 @@ static const char *acpi_gbl_notify_value_names[ACPI_NOTIFY_MAX + 1] = {
 	/* 07 */ "Power Fault",
 	/* 08 */ "Capabilities Check",
 	/* 09 */ "Device PLD Check",
-	/* 10 */ "Reserved",
+	/* 0A */ "Reserved",
-	/* 11 */ "System Locality Update",
+	/* 0B */ "System Locality Update",
-	/* 12 */ "Shutdown Request"
+	/* 0C */ "Shutdown Request"
 };
 
-const char *acpi_ut_get_notify_name(u32 notify_value)
+static const char *acpi_gbl_device_notify[4] = {
+	/* 80 */ "Status Change",
+	/* 81 */ "Information Change",
+	/* 82 */ "Device-Specific Change",
+	/* 83 */ "Device-Specific Change"
+};
+
+static const char *acpi_gbl_processor_notify[4] = {
+	/* 80 */ "Performance Capability Change",
+	/* 81 */ "C-State Change",
+	/* 82 */ "Throttling Capability Change",
+	/* 83 */ "Device-Specific Change"
+};
+
+static const char *acpi_gbl_thermal_notify[4] = {
+	/* 80 */ "Thermal Status Change",
+	/* 81 */ "Thermal Trip Point Change",
+	/* 82 */ "Thermal Device List Change",
+	/* 83 */ "Thermal Relationship Change"
+};
+
+const char *acpi_ut_get_notify_name(u32 notify_value, acpi_object_type type)
 {
 
+	/* 00 - 0C are common to all object types */
+
 	if (notify_value <= ACPI_NOTIFY_MAX) {
-		return (acpi_gbl_notify_value_names[notify_value]);
+		return (acpi_gbl_generic_notify[notify_value]);
-	} else if (notify_value <= ACPI_MAX_SYS_NOTIFY) {
-		return ("Reserved");
-	} else if (notify_value <= ACPI_MAX_DEVICE_SPECIFIC_NOTIFY) {
-		return ("Device Specific");
-	} else {
-		return ("Hardware Specific");
 	}
+
+	/* 0D - 7F are reserved */
+
+	if (notify_value <= ACPI_MAX_SYS_NOTIFY) {
+		return ("Reserved");
+	}
+
+	/* 80 - 83 are per-object-type */
+
+	if (notify_value <= 0x83) {
+		switch (type) {
+		case ACPI_TYPE_ANY:
+		case ACPI_TYPE_DEVICE:
+			return (acpi_gbl_device_notify[notify_value - 0x80]);
+
+		case ACPI_TYPE_PROCESSOR:
+			return (acpi_gbl_processor_notify[notify_value - 0x80]);
+
+		case ACPI_TYPE_THERMAL:
+			return (acpi_gbl_thermal_notify[notify_value - 0x80]);
+
+		default:
+			return ("Target object type does not support notifies");
+		}
+	}
+
+	/* 84 - BF are device-specific */
+
+	if (notify_value <= ACPI_MAX_DEVICE_SPECIFIC_NOTIFY) {
+		return ("Device-Specific");
+	}
+
+	/* C0 and above are hardware-specific */
+
+	return ("Hardware-Specific");
 }
 #endif
 

drivers/acpi/acpica/utstring.c

@@ -353,7 +353,7 @@ void acpi_ut_print_string(char *string, u16 max_length)
 	}
 
 	acpi_os_printf("\"");
-	for (i = 0; string[i] && (i < max_length); i++) {
+	for (i = 0; (i < max_length) && string[i]; i++) {
 
 		/* Escape sequences */
 

drivers/acpi/osl.c

@@ -1770,16 +1770,15 @@ acpi_status acpi_os_release_object(acpi_cache_t * cache, void *object)
 }
 #endif
 
-static int __init acpi_no_auto_ssdt_setup(char *s)
+static int __init acpi_no_static_ssdt_setup(char *s)
 {
-        printk(KERN_NOTICE PREFIX "SSDT auto-load disabled\n");
+	acpi_gbl_disable_ssdt_table_install = TRUE;
+	pr_info("ACPI: static SSDT installation disabled\n");
 
-        acpi_gbl_disable_ssdt_table_load = TRUE;
+	return 0;
-
-        return 1;
 }
 
-__setup("acpi_no_auto_ssdt", acpi_no_auto_ssdt_setup);
+early_param("acpi_no_static_ssdt", acpi_no_static_ssdt_setup);
 
 static int __init acpi_disable_return_repair(char *s)
 {

include/acpi/acpixf.h

@@ -46,7 +46,7 @@
 
 /* Current ACPICA subsystem version in YYYYMMDD format */
 
-#define ACPI_CA_VERSION                 0x20140214
+#define ACPI_CA_VERSION                 0x20140325
 
 #include <acpi/acconfig.h>
 #include <acpi/actypes.h>
@@ -75,7 +75,7 @@ extern u8 acpi_gbl_auto_serialize_methods;
 extern u8 acpi_gbl_copy_dsdt_locally;
 extern u8 acpi_gbl_create_osi_method;
 extern u8 acpi_gbl_disable_auto_repair;
-extern u8 acpi_gbl_disable_ssdt_table_load;
+extern u8 acpi_gbl_disable_ssdt_table_install;
 extern u8 acpi_gbl_do_not_use_xsdt;
 extern u8 acpi_gbl_enable_aml_debug_object;
 extern u8 acpi_gbl_enable_interpreter_slack;
@@ -164,6 +164,9 @@ acpi_decode_pld_buffer(u8 *in_buffer,
 /*
  * ACPI table load/unload interfaces
  */
+acpi_status __init
+acpi_install_table(acpi_physical_address address, u8 physical);
+
 acpi_status acpi_load_table(struct acpi_table_header *table);
 
 acpi_status acpi_unload_parent_table(acpi_handle object);

include/acpi/actbl.h

@@ -367,12 +367,11 @@ struct acpi_table_desc {
 
 /* Masks for Flags field above */
 
-#define ACPI_TABLE_ORIGIN_UNKNOWN       (0)
+#define ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL  (0)	/* Virtual address, external maintained */
-#define ACPI_TABLE_ORIGIN_MAPPED        (1)
+#define ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL (1)	/* Physical address, internally mapped */
-#define ACPI_TABLE_ORIGIN_ALLOCATED     (2)
+#define ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL  (2)	/* Virtual address, internallly allocated */
-#define ACPI_TABLE_ORIGIN_OVERRIDE      (4)
+#define ACPI_TABLE_ORIGIN_MASK              (3)
-#define ACPI_TABLE_ORIGIN_MASK          (7)
+#define ACPI_TABLE_IS_LOADED                (8)
-#define ACPI_TABLE_IS_LOADED            (8)
 
 /*
  * Get the remaining ACPI tables

include/acpi/platform/acgcc.h

@@ -64,4 +64,15 @@
  */
 #define ACPI_UNUSED_VAR __attribute__ ((unused))
 
+/*
+ * Some versions of gcc implement strchr() with a buggy macro. So,
+ * undef it here. Prevents error messages of this form (usually from the
+ * file getopt.c):
+ *
+ * error: logical '&&' with non-zero constant will always evaluate as true
+ */
+#ifdef strchr
+#undef strchr
+#endif
+
 #endif				/* __ACGCC_H__ */

include/acpi/platform/aclinux.h

@@ -91,7 +91,7 @@
 #include <ctype.h>
 #include <unistd.h>
 
-/* Disable kernel specific declarators */
+/* Define/disable kernel-specific declarators */
 
 #ifndef __init
 #define __init
@@ -106,7 +106,8 @@
 #define ACPI_FLUSH_CPU_CACHE()
 #define ACPI_CAST_PTHREAD_T(pthread) ((acpi_thread_id) (pthread))
 
-#if defined(__ia64__) || defined(__x86_64__) || defined(__aarch64__)
+#if defined(__ia64__)    || defined(__x86_64__) ||\
+	defined(__aarch64__) || defined(__PPC64__)
 #define ACPI_MACHINE_WIDTH          64
 #define COMPILER_DEPENDENT_INT64    long
 #define COMPILER_DEPENDENT_UINT64   unsigned long

tools/power/acpi/Makefile

@@ -68,7 +68,8 @@ WARNINGS += $(call cc-supports,-Wstrict-prototypes)
 WARNINGS += $(call cc-supports,-Wdeclaration-after-statement)
 
 KERNEL_INCLUDE := ../../../include
-CFLAGS += -D_LINUX -DDEFINE_ALTERNATE_TYPES -I$(KERNEL_INCLUDE)
+ACPICA_INCLUDE := ../../../drivers/acpi/acpica
+CFLAGS += -D_LINUX -I$(KERNEL_INCLUDE) -I$(ACPICA_INCLUDE)
 CFLAGS += $(WARNINGS)
 
 ifeq ($(strip $(V)),false)
@@ -101,10 +102,29 @@ endif
 # --- ACPIDUMP BEGIN ---
 
 vpath %.c \
-	tools/acpidump
+	../../../drivers/acpi/acpica\
+	tools/acpidump\
+	common\
+	os_specific/service_layers
+
+CFLAGS += -DACPI_DUMP_APP -Itools/acpidump
 
 DUMP_OBJS = \
-	acpidump.o
+	apdump.o\
+	apfiles.o\
+	apmain.o\
+	osunixdir.o\
+	osunixmap.o\
+	tbprint.o\
+	tbxfroot.o\
+	utbuffer.o\
+	utexcep.o\
+	utmath.o\
+	utstring.o\
+	utxferror.o\
+	oslinuxtbl.o\
+	cmfsize.o\
+	getopt.o
 
 DUMP_OBJS := $(addprefix $(OUTPUT)tools/acpidump/,$(DUMP_OBJS))
 

tools/power/acpi/common/cmfsize.c

@@ -0,0 +1,101 @@
+/******************************************************************************
+ *
+ * Module Name: cfsize - Common get file size function
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, 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.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acapps.h"
+#include <stdio.h>
+
+#define _COMPONENT          ACPI_TOOLS
+ACPI_MODULE_NAME("cmfsize")
+
+/*******************************************************************************
+ *
+ * FUNCTION:    cm_get_file_size
+ *
+ * PARAMETERS:  file                    - Open file descriptor
+ *
+ * RETURN:      File Size. On error, -1 (ACPI_UINT32_MAX)
+ *
+ * DESCRIPTION: Get the size of a file. Uses seek-to-EOF. File must be open.
+ *              Does not disturb the current file pointer. Uses perror for
+ *              error messages.
+ *
+ ******************************************************************************/
+u32 cm_get_file_size(FILE * file)
+{
+	long file_size;
+	long current_offset;
+
+	/* Save the current file pointer, seek to EOF to obtain file size */
+
+	current_offset = ftell(file);
+	if (current_offset < 0) {
+		goto offset_error;
+	}
+
+	if (fseek(file, 0, SEEK_END)) {
+		goto seek_error;
+	}
+
+	file_size = ftell(file);
+	if (file_size < 0) {
+		goto offset_error;
+	}
+
+	/* Restore original file pointer */
+
+	if (fseek(file, current_offset, SEEK_SET)) {
+		goto seek_error;
+	}
+
+	return ((u32)file_size);
+
+offset_error:
+	perror("Could not get file offset");
+	return (ACPI_UINT32_MAX);
+
+seek_error:
+	perror("Could not seek file");
+	return (ACPI_UINT32_MAX);
+}

tools/power/acpi/common/getopt.c

@@ -0,0 +1,239 @@
+/******************************************************************************
+ *
+ * Module Name: getopt
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, 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.
+ */
+
+/*
+ * ACPICA getopt() implementation
+ *
+ * Option strings:
+ *    "f"       - Option has no arguments
+ *    "f:"      - Option requires an argument
+ *    "f^"      - Option has optional single-char sub-options
+ *    "f|"      - Option has required single-char sub-options
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acapps.h"
+
+#define ACPI_OPTION_ERROR(msg, badchar) \
+	if (acpi_gbl_opterr) {fprintf (stderr, "%s%c\n", msg, badchar);}
+
+int acpi_gbl_opterr = 1;
+int acpi_gbl_optind = 1;
+int acpi_gbl_sub_opt_char = 0;
+char *acpi_gbl_optarg;
+
+static int current_char_ptr = 1;
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_getopt_argument
+ *
+ * PARAMETERS:  argc, argv          - from main
+ *
+ * RETURN:      0 if an argument was found, -1 otherwise. Sets acpi_gbl_Optarg
+ *              to point to the next argument.
+ *
+ * DESCRIPTION: Get the next argument. Used to obtain arguments for the
+ *              two-character options after the original call to acpi_getopt.
+ *              Note: Either the argument starts at the next character after
+ *              the option, or it is pointed to by the next argv entry.
+ *              (After call to acpi_getopt, we need to backup to the previous
+ *              argv entry).
+ *
+ ******************************************************************************/
+
+int acpi_getopt_argument(int argc, char **argv)
+{
+	acpi_gbl_optind--;
+	current_char_ptr++;
+
+	if (argv[acpi_gbl_optind][(int)(current_char_ptr + 1)] != '\0') {
+		acpi_gbl_optarg =
+		    &argv[acpi_gbl_optind++][(int)(current_char_ptr + 1)];
+	} else if (++acpi_gbl_optind >= argc) {
+		ACPI_OPTION_ERROR("Option requires an argument: -", 'v');
+
+		current_char_ptr = 1;
+		return (-1);
+	} else {
+		acpi_gbl_optarg = argv[acpi_gbl_optind++];
+	}
+
+	current_char_ptr = 1;
+	return (0);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_getopt
+ *
+ * PARAMETERS:  argc, argv          - from main
+ *              opts                - options info list
+ *
+ * RETURN:      Option character or EOF
+ *
+ * DESCRIPTION: Get the next option
+ *
+ ******************************************************************************/
+
+int acpi_getopt(int argc, char **argv, char *opts)
+{
+	int current_char;
+	char *opts_ptr;
+
+	if (current_char_ptr == 1) {
+		if (acpi_gbl_optind >= argc ||
+		    argv[acpi_gbl_optind][0] != '-' ||
+		    argv[acpi_gbl_optind][1] == '\0') {
+			return (EOF);
+		} else if (strcmp(argv[acpi_gbl_optind], "--") == 0) {
+			acpi_gbl_optind++;
+			return (EOF);
+		}
+	}
+
+	/* Get the option */
+
+	current_char = argv[acpi_gbl_optind][current_char_ptr];
+
+	/* Make sure that the option is legal */
+
+	if (current_char == ':' ||
+	    (opts_ptr = strchr(opts, current_char)) == NULL) {
+		ACPI_OPTION_ERROR("Illegal option: -", current_char);
+
+		if (argv[acpi_gbl_optind][++current_char_ptr] == '\0') {
+			acpi_gbl_optind++;
+			current_char_ptr = 1;
+		}
+
+		return ('?');
+	}
+
+	/* Option requires an argument? */
+
+	if (*++opts_ptr == ':') {
+		if (argv[acpi_gbl_optind][(int)(current_char_ptr + 1)] != '\0') {
+			acpi_gbl_optarg =
+			    &argv[acpi_gbl_optind++][(int)
+						     (current_char_ptr + 1)];
+		} else if (++acpi_gbl_optind >= argc) {
+			ACPI_OPTION_ERROR("Option requires an argument: -",
+					  current_char);
+
+			current_char_ptr = 1;
+			return ('?');
+		} else {
+			acpi_gbl_optarg = argv[acpi_gbl_optind++];
+		}
+
+		current_char_ptr = 1;
+	}
+
+	/* Option has an optional argument? */
+
+	else if (*opts_ptr == '+') {
+		if (argv[acpi_gbl_optind][(int)(current_char_ptr + 1)] != '\0') {
+			acpi_gbl_optarg =
+			    &argv[acpi_gbl_optind++][(int)
+						     (current_char_ptr + 1)];
+		} else if (++acpi_gbl_optind >= argc) {
+			acpi_gbl_optarg = NULL;
+		} else {
+			acpi_gbl_optarg = argv[acpi_gbl_optind++];
+		}
+
+		current_char_ptr = 1;
+	}
+
+	/* Option has optional single-char arguments? */
+
+	else if (*opts_ptr == '^') {
+		if (argv[acpi_gbl_optind][(int)(current_char_ptr + 1)] != '\0') {
+			acpi_gbl_optarg =
+			    &argv[acpi_gbl_optind][(int)(current_char_ptr + 1)];
+		} else {
+			acpi_gbl_optarg = "^";
+		}
+
+		acpi_gbl_sub_opt_char = acpi_gbl_optarg[0];
+		acpi_gbl_optind++;
+		current_char_ptr = 1;
+	}
+
+	/* Option has a required single-char argument? */
+
+	else if (*opts_ptr == '|') {
+		if (argv[acpi_gbl_optind][(int)(current_char_ptr + 1)] != '\0') {
+			acpi_gbl_optarg =
+			    &argv[acpi_gbl_optind][(int)(current_char_ptr + 1)];
+		} else {
+			ACPI_OPTION_ERROR
+			    ("Option requires a single-character suboption: -",
+			     current_char);
+
+			current_char_ptr = 1;
+			return ('?');
+		}
+
+		acpi_gbl_sub_opt_char = acpi_gbl_optarg[0];
+		acpi_gbl_optind++;
+		current_char_ptr = 1;
+	}
+
+	/* Option with no arguments */
+
+	else {
+		if (argv[acpi_gbl_optind][++current_char_ptr] == '\0') {
+			current_char_ptr = 1;
+			acpi_gbl_optind++;
+		}
+
+		acpi_gbl_optarg = NULL;
+	}
+
+	return (current_char);
+}

tools/power/acpi/man/acpidump.8

@@ -1,18 +1,64 @@
 .TH ACPIDUMP 8
 .SH NAME
-acpidump \- Dump system's ACPI tables to an ASCII file.
+acpidump \- dump a system's ACPI tables to an ASCII file
+
 .SH SYNOPSIS
-.ft B
+.B acpidump
-.B acpidump > acpidump.out
+.RI [ options ]
+.br
+
 .SH DESCRIPTION
-\fBacpidump \fP dumps the systems ACPI tables to an ASCII file
+.B acpidump
-appropriate for attaching to a bug report.
+dumps the systems ACPI tables to an ASCII file appropriate for
+attaching to a bug report.
 
 Subsequently, they can be processed by utilities in the ACPICA package.
-.SS Options
+
-no options worth worrying about.
+.SH OPTIONS
-.PP
+acpidump options are as follow:
-.SH EXAMPLE
+.TP
+.B Options
+.TP
+.B \-b
+Dump tables to binary files
+.TP
+.B \-c
+Dump customized tables
+.TP
+.B \-h \-?
+This help message
+.TP
+.B \-o <File>
+Redirect output to file
+.TP
+.B \-r <Address>
+Dump tables from specified RSDP
+.TP
+.B \-s
+Print table summaries only
+.TP
+.B \-v
+Display version information
+.TP
+.B \-z
+Verbose mode
+.TP
+.B Table Options
+.TP
+.B \-a <Address>
+Get table via a physical address
+.TP
+.B \-f <BinaryFile>
+Get table via a binary file
+.TP
+.B \-n <Signature>
+Get table via a name/signature
+.TP
+Invocation without parameters dumps all available tables
+.TP
+Multiple mixed instances of -a, -f, and -n are supported
+
+.SH EXAMPLES
 
 .nf
 # acpidump > acpidump.out
@@ -50,10 +96,25 @@ ACPICA: https://acpica.org/
 .ta
 .nf
 /dev/mem
+/sys/firmware/acpi/tables/*
 /sys/firmware/acpi/tables/dynamic/*
+/sys/firmware/efi/systab
 .fi
 
-.PP
 .SH AUTHOR
-.nf
+.TP
-Written by Len Brown <len.brown@intel.com>
+Original by:
+ Len Brown <len.brown@intel.com>
+.TP
+Written by:
+ Chao Guan <chao.guan@intel.com>
+.TP
+Updated by:
+ Bob Moore <robert.moore@intel.com>
+ Lv Zheng <lv.zheng@intel.com>
+
+.SH SEE ALSO
+\&\fIacpixtract\fR\|(8), \fIiasl\fR\|(8).
+
+.SH COPYRIGHT
+COPYRIGHT (c) 2013, Intel Corporation.

tools/power/acpi/os_specific/service_layers/osunixdir.c

@@ -0,0 +1,204 @@
+/******************************************************************************
+ *
+ * Module Name: osunixdir - Unix directory access interfaces
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, 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.
+ */
+
+#include <acpi/acpi.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <dirent.h>
+#include <fnmatch.h>
+#include <ctype.h>
+#include <sys/stat.h>
+
+/*
+ * Allocated structure returned from os_open_directory
+ */
+typedef struct external_find_info {
+	char *dir_pathname;
+	DIR *dir_ptr;
+	char temp_buffer[256];
+	char *wildcard_spec;
+	char requested_file_type;
+
+} external_find_info;
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_os_open_directory
+ *
+ * PARAMETERS:  dir_pathname        - Full pathname to the directory
+ *              wildcard_spec       - string of the form "*.c", etc.
+ *
+ * RETURN:      A directory "handle" to be used in subsequent search operations.
+ *              NULL returned on failure.
+ *
+ * DESCRIPTION: Open a directory in preparation for a wildcard search
+ *
+ ******************************************************************************/
+
+void *acpi_os_open_directory(char *dir_pathname,
+			     char *wildcard_spec, char requested_file_type)
+{
+	struct external_find_info *external_info;
+	DIR *dir;
+
+	/* Allocate the info struct that will be returned to the caller */
+
+	external_info = calloc(1, sizeof(struct external_find_info));
+	if (!external_info) {
+		return (NULL);
+	}
+
+	/* Get the directory stream */
+
+	dir = opendir(dir_pathname);
+	if (!dir) {
+		fprintf(stderr, "Cannot open directory - %s\n", dir_pathname);
+		free(external_info);
+		return (NULL);
+	}
+
+	/* Save the info in the return structure */
+
+	external_info->wildcard_spec = wildcard_spec;
+	external_info->requested_file_type = requested_file_type;
+	external_info->dir_pathname = dir_pathname;
+	external_info->dir_ptr = dir;
+	return (external_info);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_os_get_next_filename
+ *
+ * PARAMETERS:  dir_handle          - Created via acpi_os_open_directory
+ *
+ * RETURN:      Next filename matched. NULL if no more matches.
+ *
+ * DESCRIPTION: Get the next file in the directory that matches the wildcard
+ *              specification.
+ *
+ ******************************************************************************/
+
+char *acpi_os_get_next_filename(void *dir_handle)
+{
+	struct external_find_info *external_info = dir_handle;
+	struct dirent *dir_entry;
+	char *temp_str;
+	int str_len;
+	struct stat temp_stat;
+	int err;
+
+	while ((dir_entry = readdir(external_info->dir_ptr))) {
+		if (!fnmatch
+		    (external_info->wildcard_spec, dir_entry->d_name, 0)) {
+			if (dir_entry->d_name[0] == '.') {
+				continue;
+			}
+
+			str_len = strlen(dir_entry->d_name) +
+			    strlen(external_info->dir_pathname) + 2;
+
+			temp_str = calloc(str_len, 1);
+			if (!temp_str) {
+				fprintf(stderr,
+					"Could not allocate buffer for temporary string\n");
+				return (NULL);
+			}
+
+			strcpy(temp_str, external_info->dir_pathname);
+			strcat(temp_str, "/");
+			strcat(temp_str, dir_entry->d_name);
+
+			err = stat(temp_str, &temp_stat);
+			if (err == -1) {
+				fprintf(stderr,
+					"Cannot stat file (should not happen) - %s\n",
+					temp_str);
+				free(temp_str);
+				return (NULL);
+			}
+
+			free(temp_str);
+
+			if ((S_ISDIR(temp_stat.st_mode)
+			     && (external_info->requested_file_type ==
+				 REQUEST_DIR_ONLY))
+			    || ((!S_ISDIR(temp_stat.st_mode)
+				 && external_info->requested_file_type ==
+				 REQUEST_FILE_ONLY))) {
+
+				/* copy to a temp buffer because dir_entry struct is on the stack */
+
+				strcpy(external_info->temp_buffer,
+				       dir_entry->d_name);
+				return (external_info->temp_buffer);
+			}
+		}
+	}
+
+	return (NULL);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_os_close_directory
+ *
+ * PARAMETERS:  dir_handle          - Created via acpi_os_open_directory
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Close the open directory and cleanup.
+ *
+ ******************************************************************************/
+
+void acpi_os_close_directory(void *dir_handle)
+{
+	struct external_find_info *external_info = dir_handle;
+
+	/* Close the directory and free allocations */
+
+	closedir(external_info->dir_ptr);
+	free(dir_handle);
+}

tools/power/acpi/os_specific/service_layers/osunixmap.c

@@ -0,0 +1,151 @@
+/******************************************************************************
+ *
+ * Module Name: osunixmap - Unix OSL for file mappings
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, 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.
+ */
+
+#include "acpidump.h"
+#include <unistd.h>
+#include <sys/mman.h>
+#ifdef _free_BSD
+#include <sys/param.h>
+#endif
+
+#define _COMPONENT          ACPI_OS_SERVICES
+ACPI_MODULE_NAME("osunixmap")
+
+#ifndef O_BINARY
+#define O_BINARY 0
+#endif
+#ifdef _free_BSD
+#define MMAP_FLAGS          MAP_SHARED
+#else
+#define MMAP_FLAGS          MAP_PRIVATE
+#endif
+#define SYSTEM_MEMORY       "/dev/mem"
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_os_get_page_size
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Page size of the platform.
+ *
+ * DESCRIPTION: Obtain page size of the platform.
+ *
+ ******************************************************************************/
+static acpi_size acpi_os_get_page_size(void)
+{
+
+#ifdef PAGE_SIZE
+	return PAGE_SIZE;
+#else
+	return sysconf(_SC_PAGESIZE);
+#endif
+}
+
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_os_map_memory
+ *
+ * PARAMETERS:  where               - Physical address of memory to be mapped
+ *              length              - How much memory to map
+ *
+ * RETURN:      Pointer to mapped memory. Null on error.
+ *
+ * DESCRIPTION: Map physical memory into local address space.
+ *
+ *****************************************************************************/
+
+void *acpi_os_map_memory(acpi_physical_address where, acpi_size length)
+{
+	u8 *mapped_memory;
+	acpi_physical_address offset;
+	acpi_size page_size;
+	int fd;
+
+	fd = open(SYSTEM_MEMORY, O_RDONLY | O_BINARY);
+	if (fd < 0) {
+		fprintf(stderr, "Cannot open %s\n", SYSTEM_MEMORY);
+		return (NULL);
+	}
+
+	/* Align the offset to use mmap */
+
+	page_size = acpi_os_get_page_size();
+	offset = where % page_size;
+
+	/* Map the table header to get the length of the full table */
+
+	mapped_memory = mmap(NULL, (length + offset), PROT_READ, MMAP_FLAGS,
+			     fd, (where - offset));
+	if (mapped_memory == MAP_FAILED) {
+		fprintf(stderr, "Cannot map %s\n", SYSTEM_MEMORY);
+		close(fd);
+		return (NULL);
+	}
+
+	close(fd);
+	return (ACPI_CAST8(mapped_memory + offset));
+}
+
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_os_unmap_memory
+ *
+ * PARAMETERS:  where               - Logical address of memory to be unmapped
+ *              length              - How much memory to unmap
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Delete a previously created mapping. Where and Length must
+ *              correspond to a previous mapping exactly.
+ *
+ *****************************************************************************/
+
+void acpi_os_unmap_memory(void *where, acpi_size length)
+{
+	acpi_physical_address offset;
+	acpi_size page_size;
+
+	page_size = acpi_os_get_page_size();
+	offset = (acpi_physical_address) where % page_size;
+	munmap((u8 *)where - offset, (length + offset));
+}

tools/power/acpi/tools/acpidump/acpidump.c

@@ -1,559 +0,0 @@
-/*
- * (c) Alexey Starikovskiy, Intel, 2005-2006.
- * 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.
- */
-
-#ifdef DEFINE_ALTERNATE_TYPES
-/* hack to enable building old application with new headers -lenb */
-#define acpi_fadt_descriptor acpi_table_fadt
-#define acpi_rsdp_descriptor acpi_table_rsdp
-#define DSDT_SIG ACPI_SIG_DSDT
-#define FACS_SIG ACPI_SIG_FACS
-#define FADT_SIG ACPI_SIG_FADT
-#define xfirmware_ctrl Xfacs
-#define firmware_ctrl facs
-
-typedef int				s32;
-typedef unsigned char			u8;
-typedef unsigned short			u16;
-typedef unsigned int			u32;
-typedef unsigned long long		u64;
-typedef long long			s64;
-#endif
-
-#include <sys/mman.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-#include <getopt.h>
-
-#include <dirent.h>
-
-#include <acpi/acconfig.h>
-#include <acpi/platform/acenv.h>
-#include <acpi/actypes.h>
-#include <acpi/actbl.h>
-
-static inline u8 checksum(u8 * buffer, u32 length)
-{
-	u8 sum = 0, *i = buffer;
-	buffer += length;
-	for (; i < buffer; sum += *(i++));
-	return sum;
-}
-
-static unsigned long psz, addr, length;
-static int print, connect, skip;
-static u8 select_sig[4];
-
-static unsigned long read_efi_systab( void )
-{
-	char buffer[80];
-	unsigned long addr;
-	FILE *f = fopen("/sys/firmware/efi/systab", "r");
-	if (f) {
-		while (fgets(buffer, 80, f)) {
-			if (sscanf(buffer, "ACPI20=0x%lx", &addr) == 1)
-				return addr;
-		}
-		fclose(f);
-	}
-	return 0;
-}
-
-static u8 *acpi_map_memory(unsigned long where, unsigned length)
-{
-	unsigned long offset;
-	u8 *there;
-	int fd = open("/dev/mem", O_RDONLY);
-	if (fd < 0) {
-		fprintf(stderr, "acpi_os_map_memory: cannot open /dev/mem\n");
-		exit(1);
-	}
-	offset = where % psz;
-	there = mmap(NULL, length + offset, PROT_READ, MAP_PRIVATE,
-			 fd, where - offset);
-	close(fd);
-	if (there == MAP_FAILED) return 0;
-	return (there + offset);
-}
-
-static void acpi_unmap_memory(u8 * there, unsigned length)
-{
-	unsigned long offset = (unsigned long)there % psz;
-	munmap(there - offset, length + offset);
-}
-
-static struct acpi_table_header *acpi_map_table(unsigned long where, char *sig)
-{
-	unsigned size;
-	struct acpi_table_header *tbl = (struct acpi_table_header *)
-	    acpi_map_memory(where, sizeof(struct acpi_table_header));
-	if (!tbl || (sig && memcmp(sig, tbl->signature, 4))) return 0;
-	size = tbl->length;
-	acpi_unmap_memory((u8 *) tbl, sizeof(struct acpi_table_header));
-	return (struct acpi_table_header *)acpi_map_memory(where, size);
-}
-
-static void acpi_unmap_table(struct acpi_table_header *tbl)
-{
-	acpi_unmap_memory((u8 *)tbl, tbl->length);
-}
-
-static struct acpi_rsdp_descriptor *acpi_scan_for_rsdp(u8 *begin, u32 length)
-{
-	struct acpi_rsdp_descriptor *rsdp;
-	u8 *i, *end = begin + length;
-	/* Search from given start address for the requested length */
-	for (i = begin; i < end; i += ACPI_RSDP_SCAN_STEP) {
-		/* The signature and checksum must both be correct */
-		if (memcmp((char *)i, "RSD PTR ", 8)) continue;
-		rsdp = (struct acpi_rsdp_descriptor *)i;
-		/* Signature matches, check the appropriate checksum */
-		if (!checksum((u8 *) rsdp, (rsdp->revision < 2) ?
-			      ACPI_RSDP_CHECKSUM_LENGTH :
-			      ACPI_RSDP_XCHECKSUM_LENGTH))
-			/* Checksum valid, we have found a valid RSDP */
-			return rsdp;
-	}
-	/* Searched entire block, no RSDP was found */
-	return 0;
-}
-
-/*
- * Output data
- */
-static void acpi_show_data(int fd, u8 * data, int size)
-{
-	char buffer[256];
-	int len;
-	int i, remain = size;
-	while (remain > 0) {
-		len = snprintf(buffer, 256, "  %04x:", size - remain);
-		for (i = 0; i < 16 && i < remain; i++) {
-			len +=
-			    snprintf(&buffer[len], 256 - len, " %02x", data[i]);
-		}
-		for (; i < 16; i++) {
-			len += snprintf(&buffer[len], 256 - len, "   ");
-		}
-		len += snprintf(&buffer[len], 256 - len, "  ");
-		for (i = 0; i < 16 && i < remain; i++) {
-			buffer[len++] = (isprint(data[i])) ? data[i] : '.';
-		}
-		buffer[len++] = '\n';
-		write(fd, buffer, len);
-		data += 16;
-		remain -= 16;
-	}
-}
-
-/*
- * Output ACPI table
- */
-static void acpi_show_table(int fd, struct acpi_table_header *table, unsigned long addr)
-{
-	char buff[80];
-	int len = snprintf(buff, 80, "%.4s @ %p\n", table->signature, (void *)addr);
-	write(fd, buff, len);
-	acpi_show_data(fd, (u8 *) table, table->length);
-	buff[0] = '\n';
-	write(fd, buff, 1);
-}
-
-static void write_table(int fd, struct acpi_table_header *tbl, unsigned long addr)
-{
-	static int select_done = 0;
-	if (!select_sig[0]) {
-		if (print) {
-			acpi_show_table(fd, tbl, addr);
-		} else {
-			write(fd, tbl, tbl->length);
-		}
-	} else if (!select_done && !memcmp(select_sig, tbl->signature, 4)) {
-		if (skip > 0) {
-			--skip;
-			return;
-		}
-		if (print) {
-			acpi_show_table(fd, tbl, addr);
-		} else {
-			write(fd, tbl, tbl->length);
-		}
-		select_done = 1;
-	}
-}
-
-static void acpi_dump_FADT(int fd, struct acpi_table_header *tbl, unsigned long xaddr) {
-	struct acpi_fadt_descriptor x;
-	unsigned long addr;
-	size_t len = sizeof(struct acpi_fadt_descriptor);
-	if (len > tbl->length) len = tbl->length;
-	memcpy(&x, tbl, len);
-	x.header.length = len;
-	if (checksum((u8 *)tbl, len)) {
-		fprintf(stderr, "Wrong checksum for FADT!\n");
-	}
-	if (x.header.length >= 148 && x.Xdsdt) {
-		addr = (unsigned long)x.Xdsdt;
-		if (connect) {
-			x.Xdsdt = lseek(fd, 0, SEEK_CUR);
-		}
-	} else if (x.header.length >= 44 && x.dsdt) {
-		addr = (unsigned long)x.dsdt;
-		if (connect) {
-			x.dsdt = lseek(fd, 0, SEEK_CUR);
-		}
-	} else {
-		fprintf(stderr, "No DSDT in FADT!\n");
-		goto no_dsdt;
-	}
-	tbl = acpi_map_table(addr, DSDT_SIG);
-	if (!tbl) goto no_dsdt;
-	if (checksum((u8 *)tbl, tbl->length))
-		fprintf(stderr, "Wrong checksum for DSDT!\n");
-	write_table(fd, tbl, addr);
-	acpi_unmap_table(tbl);
-no_dsdt:
-	if (x.header.length >= 140 && x.xfirmware_ctrl) {
-		addr = (unsigned long)x.xfirmware_ctrl;
-		if (connect) {
-			x.xfirmware_ctrl = lseek(fd, 0, SEEK_CUR);
-		}
-	} else if (x.header.length >= 40 && x.firmware_ctrl) {
-		addr = (unsigned long)x.firmware_ctrl;
-		if (connect) {
-			x.firmware_ctrl = lseek(fd, 0, SEEK_CUR);
-		}
-	} else {
-		fprintf(stderr, "No FACS in FADT!\n");
-		goto no_facs;
-	}
-	tbl = acpi_map_table(addr, FACS_SIG);
-	if (!tbl) goto no_facs;
-	/* do not checksum FACS */
-	write_table(fd, tbl, addr);
-	acpi_unmap_table(tbl);
-no_facs:
-	write_table(fd, (struct acpi_table_header *)&x, xaddr);
-}
-
-static int acpi_dump_SDT(int fd, struct acpi_rsdp_descriptor *rsdp)
-{
-	struct acpi_table_header *sdt, *tbl = 0;
-	int xsdt = 1, i, num;
-	char *offset;
-	unsigned long addr;
-	if (rsdp->revision > 1 && rsdp->xsdt_physical_address) {
-		tbl = acpi_map_table(rsdp->xsdt_physical_address, "XSDT");
-	}
-	if (!tbl && rsdp->rsdt_physical_address) {
-		xsdt = 0;
-		tbl = acpi_map_table(rsdp->rsdt_physical_address, "RSDT");
-	}
-	if (!tbl) return 0;
-	sdt = malloc(tbl->length);
-	memcpy(sdt, tbl, tbl->length);
-	acpi_unmap_table(tbl);
-	if (checksum((u8 *)sdt, sdt->length))
-		fprintf(stderr, "Wrong checksum for %s!\n", (xsdt)?"XSDT":"RSDT");
-	num = (sdt->length - sizeof(struct acpi_table_header))/((xsdt)?sizeof(u64):sizeof(u32));
-	offset = (char *)sdt + sizeof(struct acpi_table_header);
-	for (i = 0; i < num; ++i, offset += ((xsdt) ? sizeof(u64) : sizeof(u32))) {
-		addr = (xsdt) ? (unsigned long)(*(u64 *)offset):
-				(unsigned long)(*(u32 *)offset);
-		if (!addr) continue;
-		tbl = acpi_map_table(addr, 0);
-		if (!tbl) continue;
-		if (!memcmp(tbl->signature, FADT_SIG, 4)) {
-			acpi_dump_FADT(fd, tbl, addr);
-		} else {
-			if (checksum((u8 *)tbl, tbl->length))
-				fprintf(stderr, "Wrong checksum for generic table!\n");
-			write_table(fd, tbl, addr);
-		}
-		acpi_unmap_table(tbl);
-		if (connect) {
-			if (xsdt)
-				(*(u64*)offset) = lseek(fd, 0, SEEK_CUR);
-			else
-				(*(u32*)offset) = lseek(fd, 0, SEEK_CUR);
-		}
-	}
-	if (xsdt) {
-		addr = (unsigned long)rsdp->xsdt_physical_address;
-		if (connect) {
-			rsdp->xsdt_physical_address = lseek(fd, 0, SEEK_CUR);
-		}
-	} else {
-		addr = (unsigned long)rsdp->rsdt_physical_address;
-		if (connect) {
-			rsdp->rsdt_physical_address = lseek(fd, 0, SEEK_CUR);
-		}
-	}
-	write_table(fd, sdt, addr);
-	free (sdt);
-	return 1;
-}
-
-#define DYNAMIC_SSDT	"/sys/firmware/acpi/tables/dynamic"
-
-static void acpi_dump_dynamic_SSDT(int fd)
-{
-	struct stat file_stat;
-	char filename[256], *ptr;
-	DIR *tabledir;
-	struct dirent *entry;
-	FILE *fp;
-	int count, readcount, length;
-	struct acpi_table_header table_header, *ptable;
-
-	if (stat(DYNAMIC_SSDT, &file_stat) == -1) {
-		/* The directory doesn't exist */
-		return;
-	}
-	tabledir = opendir(DYNAMIC_SSDT);
-	if(!tabledir){
-		/*can't open the directory */
-		return;
-         }
-
-	while ((entry = readdir(tabledir)) != 0){
-		/* skip the file of . /.. */
-		if (entry->d_name[0] == '.')
-			continue;
-
-		sprintf(filename, "%s/%s", DYNAMIC_SSDT, entry->d_name);
-		fp = fopen(filename, "r");
-		if (fp == NULL) {
-			fprintf(stderr, "Can't open the file of %s\n",
-						filename);
-			continue;
-		}
-		/* Read the Table header to parse the table length */
-		count = fread(&table_header, 1, sizeof(struct acpi_table_header), fp);
-		if (count < sizeof(table_header)) {
-			/* the length is lessn than ACPI table header. skip it */
-			fclose(fp);
-			continue;
-		}
-		length = table_header.length;
-		ptr = malloc(table_header.length);
-		fseek(fp, 0, SEEK_SET);
-		readcount = 0;
-		while(!feof(fp) && readcount < length) {
-			count = fread(ptr + readcount, 1, 256, fp);
-			readcount += count;
-		}
-		fclose(fp);
-		ptable = (struct acpi_table_header *) ptr;
-		if (checksum((u8 *) ptable, ptable->length))
-			fprintf(stderr, "Wrong checksum "
-					"for dynamic SSDT table!\n");
-		write_table(fd, ptable, 0);
-		free(ptr);
-	}
-	closedir(tabledir);
-	return;
-}
-
-static void usage(const char *progname)
-{
-	puts("Usage:");
-	printf("%s [--addr 0x1234][--table DSDT][--output filename]"
-		"[--binary][--length 0x456][--help]\n", progname);
-	puts("\t--addr 0x1234 or -a 0x1234 -- look for tables at this physical address");
-	puts("\t--table DSDT or -t DSDT -- only dump table with DSDT signature");
-	puts("\t--output filename or -o filename -- redirect output from stdin to filename");
-	puts("\t--binary or -b -- dump data in binary form rather than in hex-dump format");
-	puts("\t--length 0x456 or -l 0x456 -- works only with --addr, dump physical memory"
-		"\n\t\tregion without trying to understand it's contents");
-	puts("\t--skip 2 or -s 2 -- skip 2 tables of the given name and output only 3rd one");
-	puts("\t--help or -h -- this help message");
-	exit(0);
-}
-
-static struct option long_options[] = {
-	{"addr", 1, 0, 0},
-	{"table", 1, 0, 0},
-	{"output", 1, 0, 0},
-	{"binary", 0, 0, 0},
-	{"length", 1, 0, 0},
-	{"skip", 1, 0, 0},
-	{"help", 0, 0, 0},
-	{0, 0, 0, 0}
-};
-int main(int argc, char **argv)
-{
-	int option_index, c, fd;
-	u8 *raw;
-	struct acpi_rsdp_descriptor rsdpx, *x = 0;
-	char *filename = 0;
-	char buff[80];
-	memset(select_sig, 0, 4);
-	print = 1;
-	connect = 0;
-	addr = length = 0;
-	skip = 0;
-	while (1) {
-		option_index = 0;
-		c = getopt_long(argc, argv, "a:t:o:bl:s:h",
-				    long_options, &option_index);
-		if (c == -1)
-			break;
-
-		switch (c) {
-		case 0:
-			switch (option_index) {
-			case 0:
-				addr = strtoul(optarg, (char **)NULL, 16);
-				break;
-			case 1:
-				memcpy(select_sig, optarg, 4);
-				break;
-			case 2:
-				filename = optarg;
-				break;
-			case 3:
-				print = 0;
-				break;
-			case 4:
-				length = strtoul(optarg, (char **)NULL, 16);
-				break;
-			case 5:
-				skip = strtoul(optarg, (char **)NULL, 10);
-				break;
-			case 6:
-				usage(argv[0]);
-				exit(0);
-			}
-			break;
-		case 'a':
-			addr = strtoul(optarg, (char **)NULL, 16);
-			break;
-		case 't':
-			memcpy(select_sig, optarg, 4);
-			break;
-		case 'o':
-			filename = optarg;
-			break;
-		case 'b':
-			print = 0;
-			break;
-		case 'l':
-			length = strtoul(optarg, (char **)NULL, 16);
-			break;
-		case 's':
-			skip = strtoul(optarg, (char **)NULL, 10);
-			break;
-		case 'h':
-			usage(argv[0]);
-			exit(0);
-		default:
-			printf("Unknown option!\n");
-			usage(argv[0]);
-			exit(0);
-		}
-	}
-
-	fd = STDOUT_FILENO;
-	if (filename) {
-		fd = creat(filename, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH);
-		if (fd < 0)
-			return fd;
-	}
-
-	if (!select_sig[0] && !print) {
-		connect = 1;
-	}
-
-	psz = sysconf(_SC_PAGESIZE);
-	if (length && addr) {
-		/* We know length and address, it means we just want a memory dump */
-		if (!(raw = acpi_map_memory(addr, length)))
-			goto not_found;
-		write(fd, raw, length);
-		acpi_unmap_memory(raw, length);
-		close(fd);
-		return 0;
-	}
-
-	length = sizeof(struct acpi_rsdp_descriptor);
-	if (!addr) {
-		addr = read_efi_systab();
-		if (!addr) {
-			addr = ACPI_HI_RSDP_WINDOW_BASE;
-			length = ACPI_HI_RSDP_WINDOW_SIZE;
-		}
-	}
-
-	if (!(raw = acpi_map_memory(addr, length)) ||
-	    !(x = acpi_scan_for_rsdp(raw, length)))
-		goto not_found;
-
-	/* Find RSDP and print all found tables */
-	memcpy(&rsdpx, x, sizeof(struct acpi_rsdp_descriptor));
-	acpi_unmap_memory(raw, length);
-	if (connect) {
-		lseek(fd, sizeof(struct acpi_rsdp_descriptor), SEEK_SET);
-	}
-	if (!acpi_dump_SDT(fd, &rsdpx))
-		goto not_found;
-	if (connect) {
-		lseek(fd, 0, SEEK_SET);
-		write(fd, x, (rsdpx.revision < 2) ?
-			ACPI_RSDP_CHECKSUM_LENGTH : ACPI_RSDP_XCHECKSUM_LENGTH);
-	} else if (!select_sig[0] || !memcmp("RSD PTR ", select_sig, 4)) {
-		addr += (long)x - (long)raw;
-		length = snprintf(buff, 80, "RSD PTR @ %p\n", (void *)addr);
-		write(fd, buff, length);
-		acpi_show_data(fd, (u8 *) & rsdpx, (rsdpx.revision < 2) ?
-				ACPI_RSDP_CHECKSUM_LENGTH : ACPI_RSDP_XCHECKSUM_LENGTH);
-		buff[0] = '\n';
-		write(fd, buff, 1);
-	}
-	acpi_dump_dynamic_SSDT(fd);
-	close(fd);
-	return 0;
-not_found:
-	close(fd);
-	fprintf(stderr, "ACPI tables were not found. If you know location "
-		"of RSD PTR table (from dmesg, etc), "
-		"supply it with either --addr or -a option\n");
-	return 1;
-}

tools/power/acpi/tools/acpidump/acpidump.h

@@ -0,0 +1,131 @@
+/******************************************************************************
+ *
+ * Module Name: acpidump.h - Include file for acpi_dump utility
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, 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.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "actables.h"
+
+#include <stdio.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <sys/stat.h>
+
+/*
+ * Global variables. Defined in main.c only, externed in all other files
+ */
+#ifdef _DECLARE_GLOBALS
+#define EXTERN
+#define INIT_GLOBAL(a,b)        a=b
+#else
+#define EXTERN                  extern
+#define INIT_GLOBAL(a,b)        a
+#endif
+
+/* Globals */
+
+EXTERN u8 INIT_GLOBAL(gbl_summary_mode, FALSE);
+EXTERN u8 INIT_GLOBAL(gbl_verbose_mode, FALSE);
+EXTERN u8 INIT_GLOBAL(gbl_binary_mode, FALSE);
+EXTERN u8 INIT_GLOBAL(gbl_dump_customized_tables, FALSE);
+EXTERN FILE INIT_GLOBAL(*gbl_output_file, NULL);
+EXTERN char INIT_GLOBAL(*gbl_output_filename, NULL);
+EXTERN u64 INIT_GLOBAL(gbl_rsdp_base, 0);
+
+/* Globals required for use with ACPICA modules */
+
+#ifdef _DECLARE_GLOBALS
+u8 acpi_gbl_enable_interpreter_slack = FALSE;
+u8 acpi_gbl_integer_byte_width = 8;
+u32 acpi_dbg_level = 0;
+u32 acpi_dbg_layer = 0;
+#endif
+
+/* Action table used to defer requested options */
+
+struct ap_dump_action {
+	char *argument;
+	u32 to_be_done;
+};
+
+#define AP_MAX_ACTIONS              32
+
+#define AP_DUMP_ALL_TABLES          0
+#define AP_DUMP_TABLE_BY_ADDRESS    1
+#define AP_DUMP_TABLE_BY_NAME       2
+#define AP_DUMP_TABLE_BY_FILE       3
+
+#define AP_MAX_ACPI_FILES           256	/* Prevent infinite loops */
+
+/* Minimum FADT sizes for various table addresses */
+
+#define MIN_FADT_FOR_DSDT           (ACPI_FADT_OFFSET (dsdt) + sizeof (u32))
+#define MIN_FADT_FOR_FACS           (ACPI_FADT_OFFSET (facs) + sizeof (u32))
+#define MIN_FADT_FOR_XDSDT          (ACPI_FADT_OFFSET (Xdsdt) + sizeof (u64))
+#define MIN_FADT_FOR_XFACS          (ACPI_FADT_OFFSET (Xfacs) + sizeof (u64))
+
+/*
+ * apdump - Table get/dump routines
+ */
+int ap_dump_table_from_file(char *pathname);
+
+int ap_dump_table_by_name(char *signature);
+
+int ap_dump_table_by_address(char *ascii_address);
+
+int ap_dump_all_tables(void);
+
+u8 ap_is_valid_header(struct acpi_table_header *table);
+
+u8 ap_is_valid_checksum(struct acpi_table_header *table);
+
+u32 ap_get_table_length(struct acpi_table_header *table);
+
+/*
+ * apfiles - File I/O utilities
+ */
+int ap_open_output_file(char *pathname);
+
+int ap_write_to_binary_file(struct acpi_table_header *table, u32 instance);
+
+struct acpi_table_header *ap_get_table_from_file(char *pathname,
+						 u32 *file_size);

tools/power/acpi/tools/acpidump/apdump.c

@@ -0,0 +1,451 @@
+/******************************************************************************
+ *
+ * Module Name: apdump - Dump routines for ACPI tables (acpidump)
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, 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.
+ */
+
+#include "acpidump.h"
+
+/* Local prototypes */
+
+static int
+ap_dump_table_buffer(struct acpi_table_header *table,
+		     u32 instance, acpi_physical_address address);
+
+/******************************************************************************
+ *
+ * FUNCTION:    ap_is_valid_header
+ *
+ * PARAMETERS:  table               - Pointer to table to be validated
+ *
+ * RETURN:      TRUE if the header appears to be valid. FALSE otherwise
+ *
+ * DESCRIPTION: Check for a valid ACPI table header
+ *
+ ******************************************************************************/
+
+u8 ap_is_valid_header(struct acpi_table_header *table)
+{
+
+	if (!ACPI_VALIDATE_RSDP_SIG(table->signature)) {
+
+		/* Make sure signature is all ASCII and a valid ACPI name */
+
+		if (!acpi_ut_valid_acpi_name(table->signature)) {
+			fprintf(stderr,
+				"Table signature (0x%8.8X) is invalid\n",
+				*(u32 *)table->signature);
+			return (FALSE);
+		}
+
+		/* Check for minimum table length */
+
+		if (table->length < sizeof(struct acpi_table_header)) {
+			fprintf(stderr, "Table length (0x%8.8X) is invalid\n",
+				table->length);
+			return (FALSE);
+		}
+	}
+
+	return (TRUE);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION:    ap_is_valid_checksum
+ *
+ * PARAMETERS:  table               - Pointer to table to be validated
+ *
+ * RETURN:      TRUE if the checksum appears to be valid. FALSE otherwise.
+ *
+ * DESCRIPTION: Check for a valid ACPI table checksum.
+ *
+ ******************************************************************************/
+
+u8 ap_is_valid_checksum(struct acpi_table_header *table)
+{
+	acpi_status status;
+	struct acpi_table_rsdp *rsdp;
+
+	if (ACPI_VALIDATE_RSDP_SIG(table->signature)) {
+		/*
+		 * Checksum for RSDP.
+		 * Note: Other checksums are computed during the table dump.
+		 */
+		rsdp = ACPI_CAST_PTR(struct acpi_table_rsdp, table);
+		status = acpi_tb_validate_rsdp(rsdp);
+	} else {
+		status = acpi_tb_verify_checksum(table, table->length);
+	}
+
+	if (ACPI_FAILURE(status)) {
+		fprintf(stderr, "%4.4s: Warning: wrong checksum in table\n",
+			table->signature);
+	}
+
+	return (AE_OK);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION:    ap_get_table_length
+ *
+ * PARAMETERS:  table               - Pointer to the table
+ *
+ * RETURN:      Table length
+ *
+ * DESCRIPTION: Obtain table length according to table signature.
+ *
+ ******************************************************************************/
+
+u32 ap_get_table_length(struct acpi_table_header *table)
+{
+	struct acpi_table_rsdp *rsdp;
+
+	/* Check if table is valid */
+
+	if (!ap_is_valid_header(table)) {
+		return (0);
+	}
+
+	if (ACPI_VALIDATE_RSDP_SIG(table->signature)) {
+		rsdp = ACPI_CAST_PTR(struct acpi_table_rsdp, table);
+		return (rsdp->length);
+	}
+
+	/* Normal ACPI table */
+
+	return (table->length);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION:    ap_dump_table_buffer
+ *
+ * PARAMETERS:  table               - ACPI table to be dumped
+ *              instance            - ACPI table instance no. to be dumped
+ *              address             - Physical address of the table
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Dump an ACPI table in standard ASCII hex format, with a
+ *              header that is compatible with the acpi_xtract utility.
+ *
+ ******************************************************************************/
+
+static int
+ap_dump_table_buffer(struct acpi_table_header *table,
+		     u32 instance, acpi_physical_address address)
+{
+	u32 table_length;
+
+	table_length = ap_get_table_length(table);
+
+	/* Print only the header if requested */
+
+	if (gbl_summary_mode) {
+		acpi_tb_print_table_header(address, table);
+		return (0);
+	}
+
+	/* Dump to binary file if requested */
+
+	if (gbl_binary_mode) {
+		return (ap_write_to_binary_file(table, instance));
+	}
+
+	/*
+	 * Dump the table with header for use with acpixtract utility.
+	 * Note: simplest to just always emit a 64-bit address. acpi_xtract
+	 * utility can handle this.
+	 */
+	printf("%4.4s @ 0x%8.8X%8.8X\n", table->signature,
+	       ACPI_FORMAT_UINT64(address));
+
+	acpi_ut_dump_buffer(ACPI_CAST_PTR(u8, table), table_length,
+			    DB_BYTE_DISPLAY, 0);
+	printf("\n");
+	return (0);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION:    ap_dump_all_tables
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Get all tables from the RSDT/XSDT (or at least all of the
+ *              tables that we can possibly get).
+ *
+ ******************************************************************************/
+
+int ap_dump_all_tables(void)
+{
+	struct acpi_table_header *table;
+	u32 instance = 0;
+	acpi_physical_address address;
+	acpi_status status;
+	int table_status;
+	u32 i;
+
+	/* Get and dump all available ACPI tables */
+
+	for (i = 0; i < AP_MAX_ACPI_FILES; i++) {
+		status =
+		    acpi_os_get_table_by_index(i, &table, &instance, &address);
+		if (ACPI_FAILURE(status)) {
+
+			/* AE_LIMIT means that no more tables are available */
+
+			if (status == AE_LIMIT) {
+				return (0);
+			} else if (i == 0) {
+				fprintf(stderr,
+					"Could not get ACPI tables, %s\n",
+					acpi_format_exception(status));
+				return (-1);
+			} else {
+				fprintf(stderr,
+					"Could not get ACPI table at index %u, %s\n",
+					i, acpi_format_exception(status));
+				continue;
+			}
+		}
+
+		table_status = ap_dump_table_buffer(table, instance, address);
+		free(table);
+
+		if (table_status) {
+			break;
+		}
+	}
+
+	/* Something seriously bad happened if the loop terminates here */
+
+	return (-1);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION:    ap_dump_table_by_address
+ *
+ * PARAMETERS:  ascii_address       - Address for requested ACPI table
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Get an ACPI table via a physical address and dump it.
+ *
+ ******************************************************************************/
+
+int ap_dump_table_by_address(char *ascii_address)
+{
+	acpi_physical_address address;
+	struct acpi_table_header *table;
+	acpi_status status;
+	int table_status;
+	u64 long_address;
+
+	/* Convert argument to an integer physical address */
+
+	status = acpi_ut_strtoul64(ascii_address, 0, &long_address);
+	if (ACPI_FAILURE(status)) {
+		fprintf(stderr, "%s: Could not convert to a physical address\n",
+			ascii_address);
+		return (-1);
+	}
+
+	address = (acpi_physical_address) long_address;
+	status = acpi_os_get_table_by_address(address, &table);
+	if (ACPI_FAILURE(status)) {
+		fprintf(stderr, "Could not get table at 0x%8.8X%8.8X, %s\n",
+			ACPI_FORMAT_UINT64(address),
+			acpi_format_exception(status));
+		return (-1);
+	}
+
+	table_status = ap_dump_table_buffer(table, 0, address);
+	free(table);
+	return (table_status);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION:    ap_dump_table_by_name
+ *
+ * PARAMETERS:  signature           - Requested ACPI table signature
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Get an ACPI table via a signature and dump it. Handles
+ *              multiple tables with the same signature (SSDTs).
+ *
+ ******************************************************************************/
+
+int ap_dump_table_by_name(char *signature)
+{
+	char local_signature[ACPI_NAME_SIZE + 1];
+	u32 instance;
+	struct acpi_table_header *table;
+	acpi_physical_address address;
+	acpi_status status;
+	int table_status;
+
+	if (strlen(signature) != ACPI_NAME_SIZE) {
+		fprintf(stderr,
+			"Invalid table signature [%s]: must be exactly 4 characters\n",
+			signature);
+		return (-1);
+	}
+
+	/* Table signatures are expected to be uppercase */
+
+	strcpy(local_signature, signature);
+	acpi_ut_strupr(local_signature);
+
+	/* To be friendly, handle tables whose signatures do not match the name */
+
+	if (ACPI_COMPARE_NAME(local_signature, "FADT")) {
+		strcpy(local_signature, ACPI_SIG_FADT);
+	} else if (ACPI_COMPARE_NAME(local_signature, "MADT")) {
+		strcpy(local_signature, ACPI_SIG_MADT);
+	}
+
+	/* Dump all instances of this signature (to handle multiple SSDTs) */
+
+	for (instance = 0; instance < AP_MAX_ACPI_FILES; instance++) {
+		status = acpi_os_get_table_by_name(local_signature, instance,
+						   &table, &address);
+		if (ACPI_FAILURE(status)) {
+
+			/* AE_LIMIT means that no more tables are available */
+
+			if (status == AE_LIMIT) {
+				return (0);
+			}
+
+			fprintf(stderr,
+				"Could not get ACPI table with signature [%s], %s\n",
+				local_signature, acpi_format_exception(status));
+			return (-1);
+		}
+
+		table_status = ap_dump_table_buffer(table, instance, address);
+		free(table);
+
+		if (table_status) {
+			break;
+		}
+	}
+
+	/* Something seriously bad happened if the loop terminates here */
+
+	return (-1);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION:    ap_dump_table_from_file
+ *
+ * PARAMETERS:  pathname            - File containing the binary ACPI table
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Dump an ACPI table from a binary file
+ *
+ ******************************************************************************/
+
+int ap_dump_table_from_file(char *pathname)
+{
+	struct acpi_table_header *table;
+	u32 file_size = 0;
+	int table_status = -1;
+
+	/* Get the entire ACPI table from the file */
+
+	table = ap_get_table_from_file(pathname, &file_size);
+	if (!table) {
+		return (-1);
+	}
+
+	/* File must be at least as long as the table length */
+
+	if (table->length > file_size) {
+		fprintf(stderr,
+			"Table length (0x%X) is too large for input file (0x%X) %s\n",
+			table->length, file_size, pathname);
+		goto exit;
+	}
+
+	if (gbl_verbose_mode) {
+		fprintf(stderr,
+			"Input file:  %s contains table [%4.4s], 0x%X (%u) bytes\n",
+			pathname, table->signature, file_size, file_size);
+	}
+
+	table_status = ap_dump_table_buffer(table, 0, 0);
+
+exit:
+	free(table);
+	return (table_status);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_os* print functions
+ *
+ * DESCRIPTION: Used for linkage with ACPICA modules
+ *
+ ******************************************************************************/
+
+void ACPI_INTERNAL_VAR_XFACE acpi_os_printf(const char *fmt, ...)
+{
+	va_list args;
+
+	va_start(args, fmt);
+	vfprintf(stdout, fmt, args);
+	va_end(args);
+}
+
+void acpi_os_vprintf(const char *fmt, va_list args)
+{
+	vfprintf(stdout, fmt, args);
+}

tools/power/acpi/tools/acpidump/apfiles.c

@@ -0,0 +1,228 @@
+/******************************************************************************
+ *
+ * Module Name: apfiles - File-related functions for acpidump utility
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, 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.
+ */
+
+#include "acpidump.h"
+#include "acapps.h"
+
+/******************************************************************************
+ *
+ * FUNCTION:    ap_open_output_file
+ *
+ * PARAMETERS:  pathname            - Output filename
+ *
+ * RETURN:      Open file handle
+ *
+ * DESCRIPTION: Open a text output file for acpidump. Checks if file already
+ *              exists.
+ *
+ ******************************************************************************/
+
+int ap_open_output_file(char *pathname)
+{
+	struct stat stat_info;
+	FILE *file;
+
+	/* If file exists, prompt for overwrite */
+
+	if (!stat(pathname, &stat_info)) {
+		fprintf(stderr,
+			"Target path already exists, overwrite? [y|n] ");
+
+		if (getchar() != 'y') {
+			return (-1);
+		}
+	}
+
+	/* Point stdout to the file */
+
+	file = freopen(pathname, "w", stdout);
+	if (!file) {
+		perror("Could not open output file");
+		return (-1);
+	}
+
+	/* Save the file and path */
+
+	gbl_output_file = file;
+	gbl_output_filename = pathname;
+	return (0);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION:    ap_write_to_binary_file
+ *
+ * PARAMETERS:  table               - ACPI table to be written
+ *              instance            - ACPI table instance no. to be written
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Write an ACPI table to a binary file. Builds the output
+ *              filename from the table signature.
+ *
+ ******************************************************************************/
+
+int ap_write_to_binary_file(struct acpi_table_header *table, u32 instance)
+{
+	char filename[ACPI_NAME_SIZE + 16];
+	char instance_str[16];
+	FILE *file;
+	size_t actual;
+	u32 table_length;
+
+	/* Obtain table length */
+
+	table_length = ap_get_table_length(table);
+
+	/* Construct lower-case filename from the table local signature */
+
+	if (ACPI_VALIDATE_RSDP_SIG(table->signature)) {
+		ACPI_MOVE_NAME(filename, ACPI_RSDP_NAME);
+	} else {
+		ACPI_MOVE_NAME(filename, table->signature);
+	}
+	filename[0] = (char)ACPI_TOLOWER(filename[0]);
+	filename[1] = (char)ACPI_TOLOWER(filename[1]);
+	filename[2] = (char)ACPI_TOLOWER(filename[2]);
+	filename[3] = (char)ACPI_TOLOWER(filename[3]);
+	filename[ACPI_NAME_SIZE] = 0;
+
+	/* Handle multiple SSDts - create different filenames for each */
+
+	if (instance > 0) {
+		sprintf(instance_str, "%u", instance);
+		strcat(filename, instance_str);
+	}
+
+	strcat(filename, ACPI_TABLE_FILE_SUFFIX);
+
+	if (gbl_verbose_mode) {
+		fprintf(stderr,
+			"Writing [%4.4s] to binary file: %s 0x%X (%u) bytes\n",
+			table->signature, filename, table->length,
+			table->length);
+	}
+
+	/* Open the file and dump the entire table in binary mode */
+
+	file = fopen(filename, "wb");
+	if (!file) {
+		perror("Could not open output file");
+		return (-1);
+	}
+
+	actual = fwrite(table, 1, table_length, file);
+	if (actual != table_length) {
+		perror("Error writing binary output file");
+		fclose(file);
+		return (-1);
+	}
+
+	fclose(file);
+	return (0);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION:    ap_get_table_from_file
+ *
+ * PARAMETERS:  pathname            - File containing the binary ACPI table
+ *              out_file_size       - Where the file size is returned
+ *
+ * RETURN:      Buffer containing the ACPI table. NULL on error.
+ *
+ * DESCRIPTION: Open a file and read it entirely into a new buffer
+ *
+ ******************************************************************************/
+
+struct acpi_table_header *ap_get_table_from_file(char *pathname,
+						 u32 *out_file_size)
+{
+	struct acpi_table_header *buffer = NULL;
+	FILE *file;
+	u32 file_size;
+	size_t actual;
+
+	/* Must use binary mode */
+
+	file = fopen(pathname, "rb");
+	if (!file) {
+		perror("Could not open input file");
+		return (NULL);
+	}
+
+	/* Need file size to allocate a buffer */
+
+	file_size = cm_get_file_size(file);
+	if (file_size == ACPI_UINT32_MAX) {
+		fprintf(stderr,
+			"Could not get input file size: %s\n", pathname);
+		goto cleanup;
+	}
+
+	/* Allocate a buffer for the entire file */
+
+	buffer = calloc(1, file_size);
+	if (!buffer) {
+		fprintf(stderr,
+			"Could not allocate file buffer of size: %u\n",
+			file_size);
+		goto cleanup;
+	}
+
+	/* Read the entire file */
+
+	actual = fread(buffer, 1, file_size, file);
+	if (actual != file_size) {
+		fprintf(stderr, "Could not read input file: %s\n", pathname);
+		free(buffer);
+		buffer = NULL;
+		goto cleanup;
+	}
+
+	*out_file_size = file_size;
+
+cleanup:
+	fclose(file);
+	return (buffer);
+}

tools/power/acpi/tools/acpidump/apmain.c

@@ -0,0 +1,340 @@
+/******************************************************************************
+ *
+ * Module Name: apmain - Main module for the acpidump utility
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, 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.
+ */
+
+#define _DECLARE_GLOBALS
+#include "acpidump.h"
+#include "acapps.h"
+
+/*
+ * acpidump - A portable utility for obtaining system ACPI tables and dumping
+ * them in an ASCII hex format suitable for binary extraction via acpixtract.
+ *
+ * Obtaining the system ACPI tables is an OS-specific operation.
+ *
+ * This utility can be ported to any host operating system by providing a
+ * module containing system-specific versions of these interfaces:
+ *
+ *      acpi_os_get_table_by_address
+ *      acpi_os_get_table_by_index
+ *      acpi_os_get_table_by_name
+ *
+ * See the ACPICA Reference Guide for the exact definitions of these
+ * interfaces. Also, see these ACPICA source code modules for example
+ * implementations:
+ *
+ *      source/os_specific/service_layers/oswintbl.c
+ *      source/os_specific/service_layers/oslinuxtbl.c
+ */
+
+/* Local prototypes */
+
+static void ap_display_usage(void);
+
+static int ap_do_options(int argc, char **argv);
+
+static void ap_insert_action(char *argument, u32 to_be_done);
+
+/* Table for deferred actions from command line options */
+
+struct ap_dump_action action_table[AP_MAX_ACTIONS];
+u32 current_action = 0;
+
+#define AP_UTILITY_NAME             "ACPI Binary Table Dump Utility"
+#define AP_SUPPORTED_OPTIONS        "?a:bcf:hn:o:r:svz"
+
+/******************************************************************************
+ *
+ * FUNCTION:    ap_display_usage
+ *
+ * DESCRIPTION: Usage message for the acpi_dump utility
+ *
+ ******************************************************************************/
+
+static void ap_display_usage(void)
+{
+
+	ACPI_USAGE_HEADER("acpidump [options]");
+
+	ACPI_OPTION("-b", "Dump tables to binary files");
+	ACPI_OPTION("-c", "Dump customized tables");
+	ACPI_OPTION("-h -?", "This help message");
+	ACPI_OPTION("-o <File>", "Redirect output to file");
+	ACPI_OPTION("-r <Address>", "Dump tables from specified RSDP");
+	ACPI_OPTION("-s", "Print table summaries only");
+	ACPI_OPTION("-v", "Display version information");
+	ACPI_OPTION("-z", "Verbose mode");
+
+	printf("\nTable Options:\n");
+
+	ACPI_OPTION("-a <Address>", "Get table via a physical address");
+	ACPI_OPTION("-f <BinaryFile>", "Get table via a binary file");
+	ACPI_OPTION("-n <Signature>", "Get table via a name/signature");
+
+	printf("\n"
+	       "Invocation without parameters dumps all available tables\n"
+	       "Multiple mixed instances of -a, -f, and -n are supported\n\n");
+}
+
+/******************************************************************************
+ *
+ * FUNCTION:    ap_insert_action
+ *
+ * PARAMETERS:  argument            - Pointer to the argument for this action
+ *              to_be_done          - What to do to process this action
+ *
+ * RETURN:      None. Exits program if action table becomes full.
+ *
+ * DESCRIPTION: Add an action item to the action table
+ *
+ ******************************************************************************/
+
+static void ap_insert_action(char *argument, u32 to_be_done)
+{
+
+	/* Insert action and check for table overflow */
+
+	action_table[current_action].argument = argument;
+	action_table[current_action].to_be_done = to_be_done;
+
+	current_action++;
+	if (current_action > AP_MAX_ACTIONS) {
+		fprintf(stderr, "Too many table options (max %u)\n",
+			AP_MAX_ACTIONS);
+		exit(-1);
+	}
+}
+
+/******************************************************************************
+ *
+ * FUNCTION:    ap_do_options
+ *
+ * PARAMETERS:  argc/argv           - Standard argc/argv
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Command line option processing. The main actions for getting
+ *              and dumping tables are deferred via the action table.
+ *
+ *****************************************************************************/
+
+static int ap_do_options(int argc, char **argv)
+{
+	int j;
+	acpi_status status;
+
+	/* Command line options */
+
+	while ((j = acpi_getopt(argc, argv, AP_SUPPORTED_OPTIONS)) != EOF)
+		switch (j) {
+			/*
+			 * Global options
+			 */
+		case 'b':	/* Dump all input tables to binary files */
+
+			gbl_binary_mode = TRUE;
+			continue;
+
+		case 'c':	/* Dump customized tables */
+
+			gbl_dump_customized_tables = TRUE;
+			continue;
+
+		case 'h':
+		case '?':
+
+			ap_display_usage();
+			exit(0);
+
+		case 'o':	/* Redirect output to a single file */
+
+			if (ap_open_output_file(acpi_gbl_optarg)) {
+				exit(-1);
+			}
+			continue;
+
+		case 'r':	/* Dump tables from specified RSDP */
+
+			status =
+			    acpi_ut_strtoul64(acpi_gbl_optarg, 0,
+					      &gbl_rsdp_base);
+			if (ACPI_FAILURE(status)) {
+				fprintf(stderr,
+					"%s: Could not convert to a physical address\n",
+					acpi_gbl_optarg);
+				exit(-1);
+			}
+			continue;
+
+		case 's':	/* Print table summaries only */
+
+			gbl_summary_mode = TRUE;
+			continue;
+
+		case 'v':	/* Revision/version */
+
+			printf(ACPI_COMMON_SIGNON(AP_UTILITY_NAME));
+			exit(0);
+
+		case 'z':	/* Verbose mode */
+
+			gbl_verbose_mode = TRUE;
+			fprintf(stderr, ACPI_COMMON_SIGNON(AP_UTILITY_NAME));
+			continue;
+
+			/*
+			 * Table options
+			 */
+		case 'a':	/* Get table by physical address */
+
+			ap_insert_action(acpi_gbl_optarg,
+					 AP_DUMP_TABLE_BY_ADDRESS);
+			break;
+
+		case 'f':	/* Get table from a file */
+
+			ap_insert_action(acpi_gbl_optarg,
+					 AP_DUMP_TABLE_BY_FILE);
+			break;
+
+		case 'n':	/* Get table by input name (signature) */
+
+			ap_insert_action(acpi_gbl_optarg,
+					 AP_DUMP_TABLE_BY_NAME);
+			break;
+
+		default:
+
+			ap_display_usage();
+			exit(-1);
+		}
+
+	/* If there are no actions, this means "get/dump all tables" */
+
+	if (current_action == 0) {
+		ap_insert_action(NULL, AP_DUMP_ALL_TABLES);
+	}
+
+	return (0);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION:    main
+ *
+ * PARAMETERS:  argc/argv           - Standard argc/argv
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: C main function for acpidump utility
+ *
+ ******************************************************************************/
+
+int ACPI_SYSTEM_XFACE main(int argc, char *argv[])
+{
+	int status = 0;
+	struct ap_dump_action *action;
+	u32 file_size;
+	u32 i;
+
+	ACPI_DEBUG_INITIALIZE();	/* For debug version only */
+
+	/* Process command line options */
+
+	if (ap_do_options(argc, argv)) {
+		return (-1);
+	}
+
+	/* Get/dump ACPI table(s) as requested */
+
+	for (i = 0; i < current_action; i++) {
+		action = &action_table[i];
+		switch (action->to_be_done) {
+		case AP_DUMP_ALL_TABLES:
+
+			status = ap_dump_all_tables();
+			break;
+
+		case AP_DUMP_TABLE_BY_ADDRESS:
+
+			status = ap_dump_table_by_address(action->argument);
+			break;
+
+		case AP_DUMP_TABLE_BY_NAME:
+
+			status = ap_dump_table_by_name(action->argument);
+			break;
+
+		case AP_DUMP_TABLE_BY_FILE:
+
+			status = ap_dump_table_from_file(action->argument);
+			break;
+
+		default:
+
+			fprintf(stderr,
+				"Internal error, invalid action: 0x%X\n",
+				action->to_be_done);
+			return (-1);
+		}
+
+		if (status) {
+			return (status);
+		}
+	}
+
+	if (gbl_output_file) {
+		if (gbl_verbose_mode) {
+
+			/* Summary for the output file */
+
+			file_size = cm_get_file_size(gbl_output_file);
+			fprintf(stderr,
+				"Output file %s contains 0x%X (%u) bytes\n\n",
+				gbl_output_filename, file_size, file_size);
+		}
+
+		fclose(gbl_output_file);
+	}
+
+	return (status);
+}