diff options
Diffstat (limited to 'drivers/acpi')
69 files changed, 2413 insertions, 750 deletions
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index 7702118509a..66cc3f36a95 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -19,6 +19,7 @@ obj-y += acpi.o \ # All the builtin files are in the "acpi." module_param namespace. acpi-y += osl.o utils.o reboot.o +acpi-y += hest.o # sleep related files acpi-y += wakeup.o @@ -31,6 +32,7 @@ acpi-$(CONFIG_ACPI_SLEEP) += proc.o # acpi-y += bus.o glue.o acpi-y += scan.o +acpi-y += processor_pdc.o acpi-y += ec.o acpi-$(CONFIG_ACPI_DOCK) += dock.o acpi-y += pci_root.o pci_link.o pci_irq.o pci_bind.o diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c index 28ccdbc05ac..3597d73f28f 100644 --- a/drivers/acpi/acpi_memhotplug.c +++ b/drivers/acpi/acpi_memhotplug.c @@ -537,7 +537,7 @@ static int __init acpi_memory_device_init(void) status = acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX, - acpi_memory_register_notify_handler, + acpi_memory_register_notify_handler, NULL, NULL, NULL); if (ACPI_FAILURE(status)) { @@ -561,7 +561,7 @@ static void __exit acpi_memory_device_exit(void) */ status = acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX, - acpi_memory_deregister_notify_handler, + acpi_memory_deregister_notify_handler, NULL, NULL, NULL); if (ACPI_FAILURE(status)) diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c index 0d2cdb86158..97991ac6f5f 100644 --- a/drivers/acpi/acpi_pad.c +++ b/drivers/acpi/acpi_pad.c @@ -100,7 +100,8 @@ static void round_robin_cpu(unsigned int tsk_index) struct cpumask *pad_busy_cpus = to_cpumask(pad_busy_cpus_bits); cpumask_var_t tmp; int cpu; - unsigned long min_weight = -1, preferred_cpu; + unsigned long min_weight = -1; + unsigned long uninitialized_var(preferred_cpu); if (!alloc_cpumask_var(&tmp, GFP_KERNEL)) return; diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile index e7973bc1684..7423052ece5 100644 --- a/drivers/acpi/acpica/Makefile +++ b/drivers/acpi/acpica/Makefile @@ -28,7 +28,7 @@ acpi-$(ACPI_FUTURE_USAGE) += hwtimer.o acpi-y += nsaccess.o nsload.o nssearch.o nsxfeval.o \ nsalloc.o nseval.o nsnames.o nsutils.o nsxfname.o \ nsdump.o nsinit.o nsobject.o nswalk.o nsxfobj.o \ - nsparse.o nspredef.o nsrepair.o + nsparse.o nspredef.o nsrepair.o nsrepair2.o acpi-$(ACPI_FUTURE_USAGE) += nsdumpdv.o diff --git a/drivers/acpi/acpica/acmacros.h b/drivers/acpi/acpica/acmacros.h index 3acd9c6760e..7d9ba6e5755 100644 --- a/drivers/acpi/acpica/acmacros.h +++ b/drivers/acpi/acpica/acmacros.h @@ -341,6 +341,7 @@ #define ACPI_ERROR_NAMESPACE(s, e) acpi_ns_report_error (AE_INFO, s, e); #define ACPI_ERROR_METHOD(s, n, p, e) acpi_ns_report_method_error (AE_INFO, s, n, p, e); #define ACPI_WARN_PREDEFINED(plist) acpi_ut_predefined_warning plist +#define ACPI_INFO_PREDEFINED(plist) acpi_ut_predefined_info plist #else @@ -349,6 +350,8 @@ #define ACPI_ERROR_NAMESPACE(s, e) #define ACPI_ERROR_METHOD(s, n, p, e) #define ACPI_WARN_PREDEFINED(plist) +#define ACPI_INFO_PREDEFINED(plist) + #endif /* ACPI_NO_ERROR_MESSAGES */ /* diff --git a/drivers/acpi/acpica/acnamesp.h b/drivers/acpi/acpica/acnamesp.h index 09a2764c734..61edb156e8d 100644 --- a/drivers/acpi/acpica/acnamesp.h +++ b/drivers/acpi/acpica/acnamesp.h @@ -104,7 +104,8 @@ acpi_ns_walk_namespace(acpi_object_type type, acpi_handle start_object, u32 max_depth, u32 flags, - acpi_walk_callback user_function, + acpi_walk_callback pre_order_visit, + acpi_walk_callback post_order_visit, void *context, void **return_value); struct acpi_namespace_node *acpi_ns_get_next_node(struct acpi_namespace_node @@ -272,7 +273,8 @@ acpi_ns_get_attached_data(struct acpi_namespace_node *node, acpi_object_handler handler, void **data); /* - * nsrepair - return object repair for predefined methods/objects + * nsrepair - General return object repair for all + * predefined methods/objects */ acpi_status acpi_ns_repair_object(struct acpi_predefined_data *data, @@ -285,6 +287,21 @@ acpi_ns_repair_package_list(struct acpi_predefined_data *data, union acpi_operand_object **obj_desc_ptr); /* + * nsrepair2 - Return object repair for specific + * predefined methods/objects + */ +acpi_status +acpi_ns_complex_repairs(struct acpi_predefined_data *data, + struct acpi_namespace_node *node, + acpi_status validate_status, + union acpi_operand_object **return_object_ptr); + +void +acpi_ns_remove_null_elements(struct acpi_predefined_data *data, + u8 package_type, + union acpi_operand_object *obj_desc); + +/* * nssearch - Namespace searching and entry */ acpi_status @@ -342,9 +359,7 @@ acpi_ns_externalize_name(u32 internal_name_length, const char *internal_name, u32 * converted_name_length, char **converted_name); -struct acpi_namespace_node *acpi_ns_map_handle_to_node(acpi_handle handle); - -acpi_handle acpi_ns_convert_entry_to_handle(struct acpi_namespace_node *node); +struct acpi_namespace_node *acpi_ns_validate_handle(acpi_handle handle); void acpi_ns_terminate(void); diff --git a/drivers/acpi/acpica/acobject.h b/drivers/acpi/acpica/acobject.h index b39d682a214..64062b1be3e 100644 --- a/drivers/acpi/acpica/acobject.h +++ b/drivers/acpi/acpica/acobject.h @@ -180,7 +180,11 @@ struct acpi_object_method { u8 sync_level; union acpi_operand_object *mutex; u8 *aml_start; - ACPI_INTERNAL_METHOD implementation; + union { + ACPI_INTERNAL_METHOD implementation; + union acpi_operand_object *handler; + } extra; + u32 aml_length; u8 thread_count; acpi_owner_id owner_id; diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h index 863a264b829..3a451a21a3f 100644 --- a/drivers/acpi/acpica/acutils.h +++ b/drivers/acpi/acpica/acutils.h @@ -386,6 +386,8 @@ u8 acpi_ut_valid_internal_object(void *object); union acpi_operand_object *acpi_ut_create_package_object(u32 count); +union acpi_operand_object *acpi_ut_create_integer_object(u64 value); + union acpi_operand_object *acpi_ut_create_buffer_object(acpi_size buffer_size); union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size); @@ -481,6 +483,11 @@ acpi_ut_predefined_warning(const char *module_name, char *pathname, u8 node_flags, const char *format, ...); +void ACPI_INTERNAL_VAR_XFACE +acpi_ut_predefined_info(const char *module_name, + u32 line_number, + char *pathname, u8 node_flags, const char *format, ...); + /* Values for Base above (16=Hex, 10=Decimal) */ #define ACPI_ANY_BASE 0 diff --git a/drivers/acpi/acpica/dsinit.c b/drivers/acpi/acpica/dsinit.c index 3aae13f30c5..f23fa0be6fc 100644 --- a/drivers/acpi/acpica/dsinit.c +++ b/drivers/acpi/acpica/dsinit.c @@ -192,7 +192,7 @@ acpi_ds_initialize_objects(u32 table_index, status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, start_node, ACPI_UINT32_MAX, ACPI_NS_WALK_UNLOCK, acpi_ds_init_one_object, - &info, NULL); + NULL, &info, NULL); if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, status, "During WalkNamespace")); } diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c index 567a4899a01..e786f9fd767 100644 --- a/drivers/acpi/acpica/dsmethod.c +++ b/drivers/acpi/acpica/dsmethod.c @@ -414,7 +414,7 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread, /* Invoke an internal method if necessary */ if (obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY) { - status = obj_desc->method.implementation(next_walk_state); + status = obj_desc->method.extra.implementation(next_walk_state); if (status == AE_OK) { status = AE_CTRL_TERMINATE; } diff --git a/drivers/acpi/acpica/dsmthdat.c b/drivers/acpi/acpica/dsmthdat.c index 7d077bb2f52..0ba19f84ad8 100644 --- a/drivers/acpi/acpica/dsmthdat.c +++ b/drivers/acpi/acpica/dsmthdat.c @@ -409,13 +409,11 @@ acpi_ds_method_data_get_value(u8 type, /* If slack enabled, init the local_x/arg_x to an Integer of value zero */ if (acpi_gbl_enable_interpreter_slack) { - object = - acpi_ut_create_internal_object(ACPI_TYPE_INTEGER); + object = acpi_ut_create_integer_object((u64) 0); if (!object) { return_ACPI_STATUS(AE_NO_MEMORY); } - object->integer.value = 0; node->object = object; } diff --git a/drivers/acpi/acpica/dsobject.c b/drivers/acpi/acpica/dsobject.c index 507e1f0bbdf..9bc1ba07634 100644 --- a/drivers/acpi/acpica/dsobject.c +++ b/drivers/acpi/acpica/dsobject.c @@ -486,7 +486,7 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state, * * Note: technically, this is an error, from ACPI spec: "It is an error * for NumElements to be less than the number of elements in the - * PackageList". However, we just print an error message and + * PackageList". However, we just print a message and * no exception is returned. This provides Windows compatibility. Some * BIOSs will alter the num_elements on the fly, creating this type * of ill-formed package object. @@ -510,9 +510,9 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state, arg = arg->common.next; } - ACPI_WARNING((AE_INFO, - "Package List length (0x%X) larger than NumElements count (0x%X), truncated\n", - i, element_count)); + ACPI_INFO((AE_INFO, + "Actual Package length (0x%X) is larger than NumElements field (0x%X), truncated\n", + i, element_count)); } else if (i < element_count) { /* * Arg list (elements) was exhausted, but we did not reach num_elements count. diff --git a/drivers/acpi/acpica/dswload.c b/drivers/acpi/acpica/dswload.c index 6de3a99d4cd..b40513dd6a6 100644 --- a/drivers/acpi/acpica/dswload.c +++ b/drivers/acpi/acpica/dswload.c @@ -212,18 +212,19 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state, case ACPI_TYPE_BUFFER: /* - * These types we will allow, but we will change the type. This - * enables some existing code of the form: + * These types we will allow, but we will change the type. + * This enables some existing code of the form: * * Name (DEB, 0) * Scope (DEB) { ... } * - * Note: silently change the type here. On the second pass, we will report - * a warning + * Note: silently change the type here. On the second pass, + * we will report a warning */ ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Type override - [%4.4s] had invalid type (%s) for Scope operator, changed to (Scope)\n", - path, + "Type override - [%4.4s] had invalid type (%s) " + "for Scope operator, changed to type ANY\n", + acpi_ut_get_node_name(node), acpi_ut_get_type_name(node->type))); node->type = ACPI_TYPE_ANY; @@ -235,8 +236,10 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state, /* All other types are an error */ ACPI_ERROR((AE_INFO, - "Invalid type (%s) for target of Scope operator [%4.4s] (Cannot override)", - acpi_ut_get_type_name(node->type), path)); + "Invalid type (%s) for target of " + "Scope operator [%4.4s] (Cannot override)", + acpi_ut_get_type_name(node->type), + acpi_ut_get_node_name(node))); return_ACPI_STATUS(AE_AML_OPERAND_TYPE); } @@ -639,26 +642,42 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state, break; case AML_SCOPE_OP: - /* - * The Path is an object reference to an existing object. - * Don't enter the name into the namespace, but look it up - * for use later. - */ - status = - acpi_ns_lookup(walk_state->scope_info, buffer_ptr, - object_type, ACPI_IMODE_EXECUTE, - ACPI_NS_SEARCH_PARENT, walk_state, &(node)); - if (ACPI_FAILURE(status)) { -#ifdef ACPI_ASL_COMPILER - if (status == AE_NOT_FOUND) { - status = AE_OK; - } else { - ACPI_ERROR_NAMESPACE(buffer_ptr, status); + + /* Special case for Scope(\) -> refers to the Root node */ + + if (op && (op->named.node == acpi_gbl_root_node)) { + node = op->named.node; + + status = + acpi_ds_scope_stack_push(node, object_type, + walk_state); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } + } else { + /* + * The Path is an object reference to an existing object. + * Don't enter the name into the namespace, but look it up + * for use later. + */ + status = + acpi_ns_lookup(walk_state->scope_info, buffer_ptr, + object_type, ACPI_IMODE_EXECUTE, + ACPI_NS_SEARCH_PARENT, walk_state, + &(node)); + if (ACPI_FAILURE(status)) { +#ifdef ACPI_ASL_COMPILER + if (status == AE_NOT_FOUND) { + status = AE_OK; + } else { + ACPI_ERROR_NAMESPACE(buffer_ptr, + status); + } #else - ACPI_ERROR_NAMESPACE(buffer_ptr, status); + ACPI_ERROR_NAMESPACE(buffer_ptr, status); #endif - return_ACPI_STATUS(status); + return_ACPI_STATUS(status); + } } /* @@ -681,15 +700,16 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state, case ACPI_TYPE_BUFFER: /* - * These types we will allow, but we will change the type. This - * enables some existing code of the form: + * These types we will allow, but we will change the type. + * This enables some existing code of the form: * * Name (DEB, 0) * Scope (DEB) { ... } */ ACPI_WARNING((AE_INFO, - "Type override - [%4.4s] had invalid type (%s) for Scope operator, changed to (Scope)", - buffer_ptr, + "Type override - [%4.4s] had invalid type (%s) " + "for Scope operator, changed to type ANY\n", + acpi_ut_get_node_name(node), acpi_ut_get_type_name(node->type))); node->type = ACPI_TYPE_ANY; @@ -701,9 +721,10 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state, /* All other types are an error */ ACPI_ERROR((AE_INFO, - "Invalid type (%s) for target of Scope operator [%4.4s]", + "Invalid type (%s) for target of " + "Scope operator [%4.4s] (Cannot override)", acpi_ut_get_type_name(node->type), - buffer_ptr)); + acpi_ut_get_node_name(node))); return (AE_AML_OPERAND_TYPE); } @@ -1031,9 +1052,22 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state) } /* - * If we are executing a method, initialize the region + * The op_region is not fully parsed at this time. The only valid + * argument is the space_id. (We must save the address of the + * AML of the address and length operands) + * + * If we have a valid region, initialize it. The namespace is + * unlocked at this point. + * + * Need to unlock interpreter if it is locked (if we are running + * a control method), in order to allow _REG methods to be run + * during acpi_ev_initialize_region. */ if (walk_state->method_node) { + /* + * Executing a method: initialize the region and unlock + * the interpreter + */ status = acpi_ex_create_region(op->named.data, op->named.length, @@ -1042,21 +1076,17 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state) if (ACPI_FAILURE(status)) { return (status); } - } - /* - * The op_region is not fully parsed at this time. Only valid |