diff --git a/drivers/acpi/dispatcher/dsopcode.c b/drivers/acpi/dispatcher/dsopcode.c index f0847eed5f3a..a3f29798d1d1 100644 --- a/drivers/acpi/dispatcher/dsopcode.c +++ b/drivers/acpi/dispatcher/dsopcode.c @@ -49,6 +49,7 @@ #include #include #include +#include #define _COMPONENT ACPI_DISPATCHER ACPI_MODULE_NAME("dsopcode") @@ -780,6 +781,108 @@ acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state, return_ACPI_STATUS(status); } +/******************************************************************************* + * + * FUNCTION: acpi_ds_eval_table_region_operands + * + * PARAMETERS: walk_state - Current walk + * Op - A valid region Op object + * + * RETURN: Status + * + * DESCRIPTION: Get region address and length + * Called from acpi_ds_exec_end_op during data_table_region parse tree walk + * + ******************************************************************************/ + +acpi_status +acpi_ds_eval_table_region_operands(struct acpi_walk_state *walk_state, + union acpi_parse_object *op) +{ + acpi_status status; + union acpi_operand_object *obj_desc; + union acpi_operand_object **operand; + struct acpi_namespace_node *node; + union acpi_parse_object *next_op; + acpi_native_uint table_index; + struct acpi_table_header *table; + + ACPI_FUNCTION_TRACE_PTR(ds_eval_table_region_operands, op); + + /* + * This is where we evaluate the signature_string and oem_iDString + * and oem_table_iDString of the data_table_region declaration + */ + node = op->common.node; + + /* next_op points to signature_string op */ + + next_op = op->common.value.arg; + + /* + * Evaluate/create the signature_string and oem_iDString + * and oem_table_iDString operands + */ + status = acpi_ds_create_operands(walk_state, next_op); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + /* + * Resolve the signature_string and oem_iDString + * and oem_table_iDString operands + */ + status = acpi_ex_resolve_operands(op->common.aml_opcode, + ACPI_WALK_OPERANDS, walk_state); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + ACPI_DUMP_OPERANDS(ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE, + acpi_ps_get_opcode_name(op->common.aml_opcode), + 1, "after AcpiExResolveOperands"); + + operand = &walk_state->operands[0]; + + /* Find the ACPI table */ + + status = acpi_tb_find_table(operand[0]->string.pointer, + operand[1]->string.pointer, + operand[2]->string.pointer, &table_index); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + acpi_ut_remove_reference(operand[0]); + acpi_ut_remove_reference(operand[1]); + acpi_ut_remove_reference(operand[2]); + + status = acpi_get_table_by_index(table_index, &table); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + obj_desc = acpi_ns_get_attached_object(node); + if (!obj_desc) { + return_ACPI_STATUS(AE_NOT_EXIST); + } + + obj_desc->region.address = + (acpi_physical_address) ACPI_TO_INTEGER(table); + obj_desc->region.length = table->length; + + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "RgnObj %p Addr %8.8X%8.8X Len %X\n", + obj_desc, + ACPI_FORMAT_NATIVE_UINT(obj_desc->region.address), + obj_desc->region.length)); + + /* Now the address and length are valid for this opregion */ + + obj_desc->region.flags |= AOPOBJ_DATA_VALID; + + return_ACPI_STATUS(status); +} + /******************************************************************************* * * FUNCTION: acpi_ds_eval_data_object_operands diff --git a/drivers/acpi/dispatcher/dswexec.c b/drivers/acpi/dispatcher/dswexec.c index 6af4671e51a1..8ba4bb36af9f 100644 --- a/drivers/acpi/dispatcher/dswexec.c +++ b/drivers/acpi/dispatcher/dswexec.c @@ -641,6 +641,17 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state) if (ACPI_FAILURE(status)) { break; } + } else if (op->common.aml_opcode == AML_DATA_REGION_OP) { + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, + "Executing DataTableRegion Strings Op=%p\n", + op)); + + status = + acpi_ds_eval_table_region_operands + (walk_state, op); + if (ACPI_FAILURE(status)) { + break; + } } break; diff --git a/drivers/acpi/dispatcher/dswload.c b/drivers/acpi/dispatcher/dswload.c index 8ab9d1b29a4c..ec68c1df3932 100644 --- a/drivers/acpi/dispatcher/dswload.c +++ b/drivers/acpi/dispatcher/dswload.c @@ -443,6 +443,15 @@ acpi_status acpi_ds_load1_end_op(struct acpi_walk_state *walk_state) if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } + } else if (op->common.aml_opcode == AML_DATA_REGION_OP) { + status = + acpi_ex_create_region(op->named.data, + op->named.length, + REGION_DATA_TABLE, + walk_state); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } } } #endif @@ -823,6 +832,7 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state) struct acpi_namespace_node *new_node; #ifndef ACPI_NO_METHOD_EXECUTION u32 i; + u8 region_space; #endif ACPI_FUNCTION_TRACE(ds_load2_end_op); @@ -1003,11 +1013,6 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state) status = acpi_ex_create_event(walk_state); break; - case AML_DATA_REGION_OP: - - status = acpi_ex_create_table_region(walk_state); - break; - case AML_ALIAS_OP: status = acpi_ex_create_alias(walk_state); @@ -1035,6 +1040,15 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state) switch (op->common.aml_opcode) { #ifndef ACPI_NO_METHOD_EXECUTION case AML_REGION_OP: + case AML_DATA_REGION_OP: + + if (op->common.aml_opcode == AML_REGION_OP) { + region_space = (acpi_adr_space_type) + ((op->common.value.arg)->common.value. + integer); + } else { + region_space = REGION_DATA_TABLE; + } /* * If we are executing a method, initialize the region @@ -1043,10 +1057,7 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state) status = acpi_ex_create_region(op->named.data, op->named.length, - (acpi_adr_space_type) - ((op->common.value. - arg)->common.value. - integer), + region_space, walk_state); if (ACPI_FAILURE(status)) { return (status); diff --git a/drivers/acpi/executer/excreate.c b/drivers/acpi/executer/excreate.c index b3914395851b..0396bd4819f1 100644 --- a/drivers/acpi/executer/excreate.c +++ b/drivers/acpi/executer/excreate.c @@ -350,101 +350,6 @@ acpi_ex_create_region(u8 * aml_start, return_ACPI_STATUS(status); } -/******************************************************************************* - * - * FUNCTION: acpi_ex_create_table_region - * - * PARAMETERS: walk_state - Current state - * - * RETURN: Status - * - * DESCRIPTION: Create a new data_table_region object - * - ******************************************************************************/ - -acpi_status acpi_ex_create_table_region(struct acpi_walk_state *walk_state) -{ - acpi_status status; - union acpi_operand_object **operand = &walk_state->operands[0]; - union acpi_operand_object *obj_desc; - struct acpi_namespace_node *node; - union acpi_operand_object *region_obj2; - acpi_native_uint table_index; - struct acpi_table_header *table; - - ACPI_FUNCTION_TRACE(ex_create_table_region); - - /* Get the Node from the object stack */ - - node = walk_state->op->common.node; - - /* - * If the region object is already attached to this node, - * just return - */ - if (acpi_ns_get_attached_object(node)) { - return_ACPI_STATUS(AE_OK); - } - - /* Find the ACPI table */ - - status = acpi_tb_find_table(operand[1]->string.pointer, - operand[2]->string.pointer, - operand[3]->string.pointer, &table_index); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* Create the region descriptor */ - - obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_REGION); - if (!obj_desc) { - return_ACPI_STATUS(AE_NO_MEMORY); - } - - region_obj2 = obj_desc->common.next_object; - region_obj2->extra.region_context = NULL; - - status = acpi_get_table_by_index(table_index, &table); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* Init the region from the operands */ - - obj_desc->region.space_id = REGION_DATA_TABLE; - obj_desc->region.address = - (acpi_physical_address) ACPI_TO_INTEGER(table); - obj_desc->region.length = table->length; - obj_desc->region.node = node; - obj_desc->region.flags = AOPOBJ_DATA_VALID; - - /* Install the new region object in the parent Node */ - - status = acpi_ns_attach_object(node, obj_desc, ACPI_TYPE_REGION); - if (ACPI_FAILURE(status)) { - goto cleanup; - } - - status = acpi_ev_initialize_region(obj_desc, FALSE); - if (ACPI_FAILURE(status)) { - if (status == AE_NOT_EXIST) { - status = AE_OK; - } else { - goto cleanup; - } - } - - obj_desc->region.flags |= AOPOBJ_SETUP_COMPLETE; - - cleanup: - - /* Remove local reference to the object */ - - acpi_ut_remove_reference(obj_desc); - return_ACPI_STATUS(status); -} - /******************************************************************************* * * FUNCTION: acpi_ex_create_processor diff --git a/drivers/acpi/executer/exmutex.c b/drivers/acpi/executer/exmutex.c index b8d035c00b61..7c70938eef89 100644 --- a/drivers/acpi/executer/exmutex.c +++ b/drivers/acpi/executer/exmutex.c @@ -85,6 +85,7 @@ void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc) } else { thread->acquired_mutex_list = obj_desc->mutex.next; } + return; } /******************************************************************************* @@ -298,6 +299,17 @@ acpi_status acpi_ex_release_mutex_object(union acpi_operand_object *obj_desc) return (AE_NOT_ACQUIRED); } + /* No obj_desc->Mutex.owner_thread for Global Lock */ + + /* + * Mutex to be released must be at the head of acquired list to prevent + * deadlock. (The head of the list is the last mutex acquired.) + */ + if (obj_desc->mutex.owner_thread && + (obj_desc != obj_desc->mutex.owner_thread->acquired_mutex_list)) { + return (AE_AML_MUTEX_ORDER); + } + /* Match multiple Acquires with multiple Releases */ obj_desc->mutex.acquisition_depth--; @@ -403,6 +415,9 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc, } status = acpi_ex_release_mutex_object(obj_desc); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } if (obj_desc->mutex.acquisition_depth == 0) { @@ -411,6 +426,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc, walk_state->thread->current_sync_level = obj_desc->mutex.original_sync_level; } + return_ACPI_STATUS(status); } diff --git a/drivers/acpi/parser/psloop.c b/drivers/acpi/parser/psloop.c index 4348b0530398..a079975f671f 100644 --- a/drivers/acpi/parser/psloop.c +++ b/drivers/acpi/parser/psloop.c @@ -242,7 +242,8 @@ acpi_ps_build_named_op(struct acpi_walk_state *walk_state, acpi_ps_append_arg(*op, unnamed_op->common.value.arg); acpi_gbl_depth++; - if ((*op)->common.aml_opcode == AML_REGION_OP) { + if ((*op)->common.aml_opcode == AML_REGION_OP || + (*op)->common.aml_opcode == AML_DATA_REGION_OP) { /* * Defer final parsing of an operation_region body, because we don't * have enough info in the first pass to parse it correctly (i.e., @@ -1013,7 +1014,8 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state) acpi_gbl_depth--; } - if (op->common.aml_opcode == AML_REGION_OP) { + if (op->common.aml_opcode == AML_REGION_OP || + op->common.aml_opcode == AML_DATA_REGION_OP) { /* * Skip parsing of control method or opregion body, * because we don't have enough info in the first pass diff --git a/drivers/acpi/parser/psopcode.c b/drivers/acpi/parser/psopcode.c index 153621d0c464..b273a0a127e6 100644 --- a/drivers/acpi/parser/psopcode.c +++ b/drivers/acpi/parser/psopcode.c @@ -624,9 +624,9 @@ const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES] = { AML_TYPE_EXEC_6A_0T_1R, AML_FLAGS_EXEC_6A_0T_1R), /* 7C */ ACPI_OP("DataTableRegion", ARGP_DATA_REGION_OP, ARGI_DATA_REGION_OP, ACPI_TYPE_REGION, - AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_SIMPLE, + AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_COMPLEX, AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | - AML_NSNODE | AML_NAMED), + AML_NSNODE | AML_NAMED | AML_DEFER), /* 7D */ ACPI_OP("[EvalSubTree]", ARGP_SCOPE_OP, ARGI_SCOPE_OP, ACPI_TYPE_ANY, AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_NO_OBJ, diff --git a/include/acpi/acdispat.h b/include/acpi/acdispat.h index 3bffb4db4bce..d8dabe893973 100644 --- a/include/acpi/acdispat.h +++ b/include/acpi/acdispat.h @@ -67,6 +67,10 @@ acpi_status acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state, union acpi_parse_object *op); +acpi_status +acpi_ds_eval_table_region_operands(struct acpi_walk_state *walk_state, + union acpi_parse_object *op); + acpi_status acpi_ds_eval_data_object_operands(struct acpi_walk_state *walk_state, union acpi_parse_object *op, diff --git a/include/acpi/acinterp.h b/include/acpi/acinterp.h index 92eb0141ac81..f4dd98fc96a3 100644 --- a/include/acpi/acinterp.h +++ b/include/acpi/acinterp.h @@ -215,8 +215,6 @@ acpi_ex_create_region(u8 * aml_start, u32 aml_length, u8 region_space, struct acpi_walk_state *walk_state); -acpi_status acpi_ex_create_table_region(struct acpi_walk_state *walk_state); - acpi_status acpi_ex_create_event(struct acpi_walk_state *walk_state); acpi_status acpi_ex_create_alias(struct acpi_walk_state *walk_state);