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ACPICA: Add argument typechecking for all predefined ACPI names

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Fully implements typechecking on all incoming arguments for all
predefined names. This ensures that ACPI-related drivers are
passing the correct number of arguments, each of the correct
object type.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Acked-by: Len Brown <len.brown@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Bob Moore 2013-05-30 10:00:01 +08:00 committed by Rafael J. Wysocki
parent e1405ca5eb
commit 29a241cc02
21 changed files with 814 additions and 490 deletions
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1
drivers/acpi/acpica/Makefile
View File

@ -83,6 +83,7 @@ acpi-$(ACPI_FUTURE_USAGE) += hwtimer.o
acpi-y += \
nsaccess.o \
nsalloc.o \
nsarguments.o \
nsconvert.o \
nsdump.o \
nseval.o \

17
drivers/acpi/acpica/aclocal.h
View File

@ -362,23 +362,6 @@ union acpi_predefined_info {
#pragma pack()
/* Data block used during object validation */
struct acpi_predefined_data {
char *pathname;
const union acpi_predefined_info *predefined;
union acpi_operand_object *parent_package;
struct acpi_namespace_node *node;
u32 flags;
u32 return_btype;
u8 node_flags;
};
/* Defines for Flags field above */
#define ACPI_OBJECT_REPAIRED 1
#define ACPI_OBJECT_WRAPPED 2
/* Return object auto-repair info */
typedef acpi_status(*acpi_object_converter) (union acpi_operand_object

43
drivers/acpi/acpica/acnamesp.h
View File

@ -223,22 +223,33 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info);
void acpi_ns_exec_module_code_list(void);
/*
* nspredef - Support for predefined/reserved names
* nsarguments - Argument count/type checking for predefined/reserved names
*/
acpi_status
acpi_ns_check_predefined_names(struct acpi_namespace_node *node,
u32 user_param_count,
acpi_status return_status,
union acpi_operand_object **return_object);
void
acpi_ns_check_argument_count(char *pathname,
struct acpi_namespace_node *node,
u32 user_param_count,
const union acpi_predefined_info *info);
void
acpi_ns_check_parameter_count(char *pathname,
acpi_ns_check_acpi_compliance(char *pathname,
struct acpi_namespace_node *node,
u32 user_param_count,
const union acpi_predefined_info *info);
const union acpi_predefined_info *predefined);
void acpi_ns_check_argument_types(struct acpi_evaluate_info *info);
/*
* nspredef - Return value checking for predefined/reserved names
*/
acpi_status
acpi_ns_check_return_value(struct acpi_namespace_node *node,
struct acpi_evaluate_info *info,
u32 user_param_count,
acpi_status return_status,
union acpi_operand_object **return_object);
acpi_status
acpi_ns_check_object_type(struct acpi_predefined_data *data,
acpi_ns_check_object_type(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr,
u32 expected_btypes, u32 package_index);
@ -246,7 +257,7 @@ acpi_ns_check_object_type(struct acpi_predefined_data *data,
* nsprepkg - Validation of predefined name packages
*/
acpi_status
acpi_ns_check_package(struct acpi_predefined_data *data,
acpi_ns_check_package(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr);
/*
@ -308,24 +319,24 @@ acpi_ns_get_attached_data(struct acpi_namespace_node *node,
* predefined methods/objects
*/
acpi_status
acpi_ns_simple_repair(struct acpi_predefined_data *data,
acpi_ns_simple_repair(struct acpi_evaluate_info *info,
u32 expected_btypes,
u32 package_index,
union acpi_operand_object **return_object_ptr);
acpi_status
acpi_ns_wrap_with_package(struct acpi_predefined_data *data,
acpi_ns_wrap_with_package(struct acpi_evaluate_info *info,
union acpi_operand_object *original_object,
union acpi_operand_object **obj_desc_ptr);
acpi_status
acpi_ns_repair_null_element(struct acpi_predefined_data *data,
acpi_ns_repair_null_element(struct acpi_evaluate_info *info,
u32 expected_btypes,
u32 package_index,
union acpi_operand_object **return_object_ptr);
void
acpi_ns_remove_null_elements(struct acpi_predefined_data *data,
acpi_ns_remove_null_elements(struct acpi_evaluate_info *info,
u8 package_type,
union acpi_operand_object *obj_desc);
@ -334,7 +345,7 @@ acpi_ns_remove_null_elements(struct acpi_predefined_data *data,
* predefined methods/objects
*/
acpi_status
acpi_ns_complex_repairs(struct acpi_predefined_data *data,
acpi_ns_complex_repairs(struct acpi_evaluate_info *info,
struct acpi_namespace_node *node,
acpi_status validate_status,
union acpi_operand_object **return_object_ptr);

4
drivers/acpi/acpica/acpredef.h
View File

@ -128,8 +128,8 @@ enum acpi_return_package_types {
#define ARG_COUNT_IS_MINIMUM 0x8000
#define METHOD_MAX_ARG_TYPE ACPI_TYPE_PACKAGE
#define METHOD_GET_COUNT(arg_list) (arg_list & METHOD_ARG_MASK)
#define METHOD_GET_NEXT_ARG(arg_list) (arg_list >> METHOD_ARG_BIT_WIDTH)
#define METHOD_GET_ARG_COUNT(arg_list) ((arg_list) & METHOD_ARG_MASK)
#define METHOD_GET_NEXT_TYPE(arg_list) (((arg_list) >>= METHOD_ARG_BIT_WIDTH) & METHOD_ARG_MASK)
/* Macros used to build the predefined info table */

40
drivers/acpi/acpica/acstruct.h
View File

@ -178,25 +178,41 @@ union acpi_aml_operands {
};
/*
* Structure used to pass object evaluation parameters.
* Structure used to pass object evaluation information and parameters.
* Purpose is to reduce CPU stack use.
*/
struct acpi_evaluate_info {
struct acpi_namespace_node *prefix_node;
char *pathname;
union acpi_operand_object *obj_desc;
union acpi_operand_object **parameters;
struct acpi_namespace_node *resolved_node;
union acpi_operand_object *return_object;
u8 param_count;
u8 pass_number;
u8 return_object_type;
u8 flags;
/* The first 3 elements are passed by the caller to acpi_ns_evaluate */
struct acpi_namespace_node *prefix_node; /* Input: starting node */
char *relative_pathname; /* Input: path relative to prefix_node */
union acpi_operand_object **parameters; /* Input: argument list */
struct acpi_namespace_node *node; /* Resolved node (prefix_node:relative_pathname) */
union acpi_operand_object *obj_desc; /* Object attached to the resolved node */
char *full_pathname; /* Full pathname of the resolved node */
const union acpi_predefined_info *predefined; /* Used if Node is a predefined name */
union acpi_operand_object *return_object; /* Object returned from the evaluation */
union acpi_operand_object *parent_package; /* Used if return object is a Package */
u32 return_flags; /* Used for return value analysis */
u32 return_btype; /* Bitmapped type of the returned object */
u16 param_count; /* Count of the input argument list */
u8 pass_number; /* Parser pass number */
u8 return_object_type; /* Object type of the returned object */
u8 node_flags; /* Same as Node->Flags */
u8 flags; /* General flags */
};
/* Values for Flags above */
#define ACPI_IGNORE_RETURN_VALUE 1
#define ACPI_IGNORE_RETURN_VALUE 1
/* Defines for return_flags field above */
#define ACPI_OBJECT_REPAIRED 1
#define ACPI_OBJECT_WRAPPED 2
/* Info used by acpi_ns_initialize_devices */

1
drivers/acpi/acpica/evgpe.c
View File

@ -579,7 +579,6 @@ static void ACPI_SYSTEM_XFACE acpi_ev_asynch_execute_gpe_method(void *context)
(local_gpe_event_info->dispatch.
method_node)));
}
break;
default:

2
drivers/acpi/acpica/evregion.c
View File

@ -532,7 +532,7 @@ acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function)
}
info->prefix_node = region_obj2->extra.method_REG;
info->pathname = NULL;
info->relative_pathname = NULL;
info->parameters = args;
info->flags = ACPI_IGNORE_RETURN_VALUE;

6
drivers/acpi/acpica/hwxface.c
View File

@ -495,7 +495,7 @@ acpi_get_sleep_type_data(u8 sleep_state, u8 *sleep_type_a, u8 *sleep_type_b)
* Evaluate the \_Sx namespace object containing the register values
* for this state
*/
info->pathname =
info->relative_pathname =
ACPI_CAST_PTR(char, acpi_gbl_sleep_state_names[sleep_state]);
status = acpi_ns_evaluate(info);
if (ACPI_FAILURE(status)) {
@ -506,7 +506,7 @@ acpi_get_sleep_type_data(u8 sleep_state, u8 *sleep_type_a, u8 *sleep_type_b)
if (!info->return_object) {
ACPI_ERROR((AE_INFO, "No Sleep State object returned from [%s]",
info->pathname));
info->relative_pathname));
status = AE_AML_NO_RETURN_VALUE;
goto cleanup;
}
@ -565,7 +565,7 @@ acpi_get_sleep_type_data(u8 sleep_state, u8 *sleep_type_a, u8 *sleep_type_b)
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"While evaluating Sleep State [%s]",
info->pathname));
info->relative_pathname));
}
ACPI_FREE(info);

294
drivers/acpi/acpica/nsarguments.c Normal file
View File

@ -0,0 +1,294 @@
/******************************************************************************
*
* Module Name: nsarguments - Validation of args for ACPI predefined methods
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2013, 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 "acpredef.h"
#define _COMPONENT ACPI_NAMESPACE
ACPI_MODULE_NAME("nsarguments")
/*******************************************************************************
*
* FUNCTION: acpi_ns_check_argument_types
*
* PARAMETERS: info - Method execution information block
*
* RETURN: None
*
* DESCRIPTION: Check the incoming argument count and all argument types
* against the argument type list for a predefined name.
*
******************************************************************************/
void acpi_ns_check_argument_types(struct acpi_evaluate_info *info)
{
u16 arg_type_list;
u8 arg_count;
u8 arg_type;
u8 user_arg_type;
u32 i;
/* If not a predefined name, cannot typecheck args */
if (!info->predefined) {
return;
}
arg_type_list = info->predefined->info.argument_list;
arg_count = METHOD_GET_ARG_COUNT(arg_type_list);
/* Typecheck all arguments */
for (i = 0; ((i < arg_count) && (i < info->param_count)); i++) {
arg_type = METHOD_GET_NEXT_TYPE(arg_type_list);
user_arg_type = info->parameters[i]->common.type;
if (user_arg_type != arg_type) {
ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname,
ACPI_WARN_ALWAYS,
"Argument #%u type mismatch - "
"Found [%s], ACPI requires [%s]",
(i + 1),
acpi_ut_get_type_name
(user_arg_type),
acpi_ut_get_type_name(arg_type)));
}
}
}
/*******************************************************************************
*
* FUNCTION: acpi_ns_check_acpi_compliance
*
* PARAMETERS: pathname - Full pathname to the node (for error msgs)
* node - Namespace node for the method/object
* predefined - Pointer to entry in predefined name table
*
* RETURN: None
*
* DESCRIPTION: Check that the declared parameter count (in ASL/AML) for a
* predefined name is what is expected (matches what is defined in
* the ACPI specification for this predefined name.)
*
******************************************************************************/
void
acpi_ns_check_acpi_compliance(char *pathname,
struct acpi_namespace_node *node,
const union acpi_predefined_info *predefined)
{
u32 aml_param_count;
u32 required_param_count;
if (!predefined) {
return;
}
/* Get the ACPI-required arg count from the predefined info table */
required_param_count =
METHOD_GET_ARG_COUNT(predefined->info.argument_list);
/*
* If this object is not a control method, we can check if the ACPI
* spec requires that it be a method.
*/
if (node->type != ACPI_TYPE_METHOD) {
if (required_param_count > 0) {
/* Object requires args, must be implemented as a method */
ACPI_BIOS_ERROR_PREDEFINED((AE_INFO, pathname,
ACPI_WARN_ALWAYS,
"Object (%s) must be a control method with %u arguments",
acpi_ut_get_type_name(node->
type),
required_param_count));
} else if (!required_param_count
&& !predefined->info.expected_btypes) {
/* Object requires no args and no return value, must be a method */
ACPI_BIOS_ERROR_PREDEFINED((AE_INFO, pathname,
ACPI_WARN_ALWAYS,
"Object (%s) must be a control method "
"with no arguments and no return value",
acpi_ut_get_type_name(node->
type)));
}
return;
}
/*
* This is a control method.
* Check that the ASL/AML-defined parameter count for this method
* matches the ACPI-required parameter count
*
* Some methods are allowed to have a "minimum" number of args (_SCP)
* because their definition in ACPI has changed over time.
*
* Note: These are BIOS errors in the declaration of the object
*/
aml_param_count = node->object->method.param_count;
if (aml_param_count < required_param_count) {
ACPI_BIOS_ERROR_PREDEFINED((AE_INFO, pathname, ACPI_WARN_ALWAYS,
"Insufficient arguments - "
"ASL declared %u, ACPI requires %u",
aml_param_count,
required_param_count));
} else if ((aml_param_count > required_param_count)
&& !(predefined->info.
argument_list & ARG_COUNT_IS_MINIMUM)) {
ACPI_BIOS_ERROR_PREDEFINED((AE_INFO, pathname, ACPI_WARN_ALWAYS,
"Excess arguments - "
"ASL declared %u, ACPI requires %u",
aml_param_count,
required_param_count));
}
}
/*******************************************************************************
*
* FUNCTION: acpi_ns_check_argument_count
*
* PARAMETERS: pathname - Full pathname to the node (for error msgs)
* node - Namespace node for the method/object
* user_param_count - Number of args passed in by the caller
* predefined - Pointer to entry in predefined name table
*
* RETURN: None
*
* DESCRIPTION: Check that incoming argument count matches the declared
* parameter count (in the ASL/AML) for an object.
*
******************************************************************************/
void
acpi_ns_check_argument_count(char *pathname,
struct acpi_namespace_node *node,
u32 user_param_count,
const union acpi_predefined_info *predefined)
{
u32 aml_param_count;
u32 required_param_count;
if (!predefined) {
/*
* Not a predefined name. Check the incoming user argument count
* against the count that is specified in the method/object.
*/
if (node->type != ACPI_TYPE_METHOD) {
if (user_param_count) {
ACPI_INFO_PREDEFINED((AE_INFO, pathname,
ACPI_WARN_ALWAYS,
"%u arguments were passed to a non-method ACPI object (%s)",
user_param_count,
acpi_ut_get_type_name
(node->type)));
}
return;
}
/*
* This is a control method. Check the parameter count.
* We can only check the incoming argument count against the
* argument count declared for the method in the ASL/AML.
*
* Emit a message if too few or too many arguments have been passed
* by the caller.
*
* Note: Too many arguments will not cause the method to
* fail. However, the method will fail if there are too few
* arguments and the method attempts to use one of the missing ones.
*/
aml_param_count = node->object->method.param_count;
if (user_param_count < aml_param_count) {
ACPI_WARN_PREDEFINED((AE_INFO, pathname,
ACPI_WARN_ALWAYS,
"Insufficient arguments - "
"Caller passed %u, method requires %u",
user_param_count,
aml_param_count));
} else if (user_param_count > aml_param_count) {
ACPI_INFO_PREDEFINED((AE_INFO, pathname,
ACPI_WARN_ALWAYS,
"Excess arguments - "
"Caller passed %u, method requires %u",
user_param_count,
aml_param_count));
}
return;
}
/*
* This is a predefined name. Validate the user-supplied parameter
* count against the ACPI specification. We don't validate against
* the method itself because what is important here is that the
* caller is in conformance with the spec. (The arg count for the
* method was checked against the ACPI spec earlier.)
*
* Some methods are allowed to have a "minimum" number of args (_SCP)
* because their definition in ACPI has changed over time.
*/
required_param_count =
METHOD_GET_ARG_COUNT(predefined->info.argument_list);
if (user_param_count < required_param_count) {
ACPI_WARN_PREDEFINED((AE_INFO, pathname, ACPI_WARN_ALWAYS,
"Insufficient arguments - "
"Caller passed %u, ACPI requires %u",
user_param_count, required_param_count));
} else if ((user_param_count > required_param_count) &&
!(predefined->info.argument_list & ARG_COUNT_IS_MINIMUM)) {
ACPI_INFO_PREDEFINED((AE_INFO, pathname, ACPI_WARN_ALWAYS,
"Excess arguments - "
"Caller passed %u, ACPI requires %u",
user_param_count, required_param_count));
}
}

249
drivers/acpi/acpica/nseval.c
View File

@ -61,7 +61,7 @@ acpi_ns_exec_module_code(union acpi_operand_object *method_obj,
*
* PARAMETERS: info - Evaluation info block, contains:
* prefix_node - Prefix or Method/Object Node to execute
* pathname - Name of method to execute, If NULL, the
* relative_path - Name of method to execute, If NULL, the
* Node is the object to execute
* parameters - List of parameters to pass to the method,
* terminated by NULL. Params itself may be
@ -82,10 +82,9 @@ acpi_ns_exec_module_code(union acpi_operand_object *method_obj,
*
******************************************************************************/
acpi_status acpi_ns_evaluate(struct acpi_evaluate_info * info)
acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info)
{
acpi_status status;
struct acpi_namespace_node *node;
ACPI_FUNCTION_TRACE(ns_evaluate);
@ -93,83 +92,138 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info * info)
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/* Initialize the return value to an invalid object */
info->return_object = NULL;
info->param_count = 0;
if (!info->resolved_node) {
if (!info->node) {
/*
* Get the actual namespace node for the target object if we need to.
* Handles these cases:
* Get the actual namespace node for the target object if we
* need to. Handles these cases:
*
* 1) Null node, Pathname (absolute path)
* 2) Node, Pathname (path relative to Node)
* 3) Node, Null Pathname
* 1) Null node, valid pathname from root (absolute path)
* 2) Node and valid pathname (path relative to Node)
* 3) Node, Null pathname
*/
status = acpi_ns_get_node(info->prefix_node, info->pathname,
ACPI_NS_NO_UPSEARCH,
&info->resolved_node);
status =
acpi_ns_get_node(info->prefix_node, info->relative_pathname,
ACPI_NS_NO_UPSEARCH, &info->node);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
}
/*
* For a method alias, we must grab the actual method node so that proper
* scoping context will be established before execution.
* For a method alias, we must grab the actual method node so that
* proper scoping context will be established before execution.
*/
if (acpi_ns_get_type(info->resolved_node) ==
ACPI_TYPE_LOCAL_METHOD_ALIAS) {
info->resolved_node =
if (acpi_ns_get_type(info->node) == ACPI_TYPE_LOCAL_METHOD_ALIAS) {
info->node =
ACPI_CAST_PTR(struct acpi_namespace_node,
info->resolved_node->object);
info->node->object);
}
ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "%s [%p] Value %p\n", info->pathname,
info->resolved_node,
acpi_ns_get_attached_object(info->resolved_node)));
/* Complete the info block initialization */
node = info->resolved_node;
info->return_object = NULL;
info->node_flags = info->node->flags;
info->obj_desc = acpi_ns_get_attached_object(info->node);
ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "%s [%p] Value %p\n",
info->relative_pathname, info->node,
acpi_ns_get_attached_object(info->node)));
/* Get info if we have a predefined name (_HID, etc.) */
info->predefined =
acpi_ut_match_predefined_method(info->node->name.ascii);
/* Get the full pathname to the object, for use in warning messages */
info->full_pathname = acpi_ns_get_external_pathname(info->node);
if (!info->full_pathname) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
/* Count the number of arguments being passed in */
info->param_count = 0;
if (info->parameters) {
while (info->parameters[info->param_count]) {
info->param_count++;
}
/* Warn on impossible argument count */
if (info->param_count > ACPI_METHOD_NUM_ARGS) {
ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname,
ACPI_WARN_ALWAYS,
"Excess arguments (%u) - using only %u",
info->param_count,
ACPI_METHOD_NUM_ARGS));
info->param_count = ACPI_METHOD_NUM_ARGS;
}
}
/*
* Two major cases here:
*
* 1) The object is a control method -- execute it
* 2) The object is not a method -- just return it's current value
* For predefined names: Check that the declared argument count
* matches the ACPI spec -- otherwise this is a BIOS error.
*/
if (acpi_ns_get_type(info->resolved_node) == ACPI_TYPE_METHOD) {
acpi_ns_check_acpi_compliance(info->full_pathname, info->node,
info->predefined);
/*
* For all names: Check that the incoming argument count for
* this method/object matches the actual ASL/AML definition.
*/
acpi_ns_check_argument_count(info->full_pathname, info->node,
info->param_count, info->predefined);
/* For predefined names: Typecheck all incoming arguments */
acpi_ns_check_argument_types(info);
/*
* Three major evaluation cases:
*
* 1) Object types that cannot be evaluated by definition
* 2) The object is a control method -- execute it
* 3) The object is not a method -- just return it's current value
*/
switch (acpi_ns_get_type(info->node)) {
case ACPI_TYPE_DEVICE:
case ACPI_TYPE_EVENT:
case ACPI_TYPE_MUTEX:
case ACPI_TYPE_REGION:
case ACPI_TYPE_THERMAL:
case ACPI_TYPE_LOCAL_SCOPE:
/*
* 1) Object is a control method - execute it
* 1) Disallow evaluation of certain object types. For these,
* object evaluation is undefined and not supported.
*/
ACPI_ERROR((AE_INFO,
"%s: Evaluation of object type [%s] is not supported",
info->full_pathname,
acpi_ut_get_type_name(info->node->type)));
status = AE_TYPE;
goto cleanup;
case ACPI_TYPE_METHOD:
/*
* 2) Object is a control method - execute it
*/
/* Verify that there is a method object associated with this node */
info->obj_desc =
acpi_ns_get_attached_object(info->resolved_node);
if (!info->obj_desc) {
ACPI_ERROR((AE_INFO,
"Control method has no attached sub-object"));
return_ACPI_STATUS(AE_NULL_OBJECT);
"%s: Method has no attached sub-object",
info->full_pathname));
status = AE_NULL_OBJECT;
goto cleanup;
}
/* Count the number of arguments being passed to the method */
if (info->parameters) {
while (info->parameters[info->param_count]) {
if (info->param_count > ACPI_METHOD_MAX_ARG) {
return_ACPI_STATUS(AE_LIMIT);
}
info->param_count++;
}
}
ACPI_DUMP_PATHNAME(info->resolved_node, "ACPI: Execute Method",
ACPI_LV_INFO, _COMPONENT);
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
"Method at AML address %p Length %X\n",
"**** Execute method [%s] at AML address %p length %X\n",
info->full_pathname,
info->obj_desc->method.aml_start + 1,
info->obj_desc->method.aml_length - 1));
@ -184,81 +238,61 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info * info)
acpi_ex_enter_interpreter();
status = acpi_ps_execute_method(info);
acpi_ex_exit_interpreter();
} else {
break;
default:
/*
* 2) Object is not a method, return its current value
*
* Disallow certain object types. For these, "evaluation" is undefined.
* 3) All other non-method objects -- get the current object value
*/
switch (info->resolved_node->type) {
case ACPI_TYPE_DEVICE:
case ACPI_TYPE_EVENT:
case ACPI_TYPE_MUTEX:
case ACPI_TYPE_REGION:
case ACPI_TYPE_THERMAL:
case ACPI_TYPE_LOCAL_SCOPE:
ACPI_ERROR((AE_INFO,
"[%4.4s] Evaluation of object type [%s] is not supported",
info->resolved_node->name.ascii,
acpi_ut_get_type_name(info->resolved_node->
type)));
return_ACPI_STATUS(AE_TYPE);
default:
break;
}
/*
* Objects require additional resolution steps (e.g., the Node may be
* a field that must be read, etc.) -- we can't just grab the object
* out of the node.
* Some objects require additional resolution steps (e.g., the Node
* may be a field that must be read, etc.) -- we can't just grab
* the object out of the node.
*
* Use resolve_node_to_value() to get the associated value.
*
* NOTE: we can get away with passing in NULL for a walk state because
* resolved_node is guaranteed to not be a reference to either a method
* the Node is guaranteed to not be a reference to either a method
* local or a method argument (because this interface is never called
* from a running method.)
*
* Even though we do not directly invoke the interpreter for object
* resolution, we must lock it because we could access an opregion.
* The opregion access code assumes that the interpreter is locked.
* resolution, we must lock it because we could access an op_region.
* The op_region access code assumes that the interpreter is locked.
*/
acpi_ex_enter_interpreter();
/* Function has a strange interface */
/* TBD: resolve_node_to_value has a strange interface, fix */
info->return_object =
ACPI_CAST_PTR(union acpi_operand_object, info->node);
status =
acpi_ex_resolve_node_to_value(&info->resolved_node, NULL);
acpi_ex_resolve_node_to_value(ACPI_CAST_INDIRECT_PTR
(struct acpi_namespace_node,
&info->return_object), NULL);
acpi_ex_exit_interpreter();
/*
* If acpi_ex_resolve_node_to_value() succeeded, the return value was placed
* in resolved_node.
*/
if (ACPI_SUCCESS(status)) {
status = AE_CTRL_RETURN_VALUE;
info->return_object =
ACPI_CAST_PTR(union acpi_operand_object,
info->resolved_node);
ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
"Returning object %p [%s]\n",
info->return_object,
acpi_ut_get_object_type_name(info->
return_object)));
if (ACPI_FAILURE(status)) {
goto cleanup;
}
ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "Returned object %p [%s]\n",
info->return_object,
acpi_ut_get_object_type_name(info->
return_object)));
status = AE_CTRL_RETURN_VALUE; /* Always has a "return value" */
break;
}
/*
* Check input argument count against the ASL-defined count for a method.
* Also check predefined names: argument count and return value against
* the ACPI specification. Some incorrect return value types are repaired.
* For predefined names, check the return value against the ACPI
* specification. Some incorrect return value types are repaired.
*/
(void)acpi_ns_check_predefined_names(node, info->param_count,
status, &info->return_object);
(void)acpi_ns_check_return_value(info->node, info, info->param_count,
status, &info->return_object);
/* Check if there is a return value that must be dealt with */
@ -278,12 +312,15 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info * info)
ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
"*** Completed evaluation of object %s ***\n",
info->pathname));
info->relative_pathname));
cleanup:
/*
* Namespace was unlocked by the handling acpi_ns* function, so we
* just return
* just free the pathname and return
*/
ACPI_FREE(info->full_pathname);
info->full_pathname = NULL;
return_ACPI_STATUS(status);
}

7
drivers/acpi/acpica/nsinit.c
View File

@ -176,7 +176,7 @@ acpi_status acpi_ns_initialize_devices(void)
* part of the ACPI specification.
*/
info.evaluate_info->prefix_node = acpi_gbl_root_node;
info.evaluate_info->pathname = METHOD_NAME__INI;
info.evaluate_info->relative_pathname = METHOD_NAME__INI;
info.evaluate_info->parameters = NULL;
info.evaluate_info->flags = ACPI_IGNORE_RETURN_VALUE;
@ -560,7 +560,7 @@ acpi_ns_init_one_device(acpi_handle obj_handle,
ACPI_MEMSET(info, 0, sizeof(struct acpi_evaluate_info));
info->prefix_node = device_node;
info->pathname = METHOD_NAME__INI;
info->relative_pathname = METHOD_NAME__INI;
info->parameters = NULL;
info->flags = ACPI_IGNORE_RETURN_VALUE;
@ -574,8 +574,7 @@ acpi_ns_init_one_device(acpi_handle obj_handle,
/* Ignore error and move on to next device */
char *scope_name =
acpi_ns_get_external_pathname(info->resolved_node);
char *scope_name = acpi_ns_get_external_pathname(info->node);
ACPI_EXCEPTION((AE_INFO, status, "during %s._INI execution",
scope_name));

201
drivers/acpi/acpica/nspredef.c
View File

@ -61,28 +61,29 @@ ACPI_MODULE_NAME("nspredef")
* There are several areas that are validated:
*
* 1) The number of input arguments as defined by the method/object in the
* ASL is validated against the ACPI specification.
* ASL is validated against the ACPI specification.
* 2) The type of the return object (if any) is validated against the ACPI
* specification.
* specification.
* 3) For returned package objects, the count of package elements is
* validated, as well as the type of each package element. Nested
* packages are supported.
* validated, as well as the type of each package element. Nested
* packages are supported.
*
* For any problems found, a warning message is issued.
*
******************************************************************************/
/* Local prototypes */
static acpi_status
acpi_ns_check_reference(struct acpi_predefined_data *data,
acpi_ns_check_reference(struct acpi_evaluate_info *info,
union acpi_operand_object *return_object);
static u32 acpi_ns_get_bitmapped_type(union acpi_operand_object *return_object);
/*******************************************************************************
*
* FUNCTION: acpi_ns_check_predefined_names
* FUNCTION: acpi_ns_check_return_value
*
* PARAMETERS: node - Namespace node for the method/object
* info - Method execution information block
* user_param_count - Number of parameters actually passed
* return_status - Status from the object evaluation
* return_object_ptr - Pointer to the object returned from the
@ -90,44 +91,28 @@ static u32 acpi_ns_get_bitmapped_type(union acpi_operand_object *return_object);
*
* RETURN: Status
*
* DESCRIPTION: Check an ACPI name for a match in the predefined name list.
* DESCRIPTION: Check the value returned from a predefined name.
*
******************************************************************************/
acpi_status
acpi_ns_check_predefined_names(struct acpi_namespace_node *node,
u32 user_param_count,
acpi_status return_status,
union acpi_operand_object **return_object_ptr)
acpi_ns_check_return_value(struct acpi_namespace_node *node,
struct acpi_evaluate_info *info,
u32 user_param_count,
acpi_status return_status,
union acpi_operand_object **return_object_ptr)
{
acpi_status status = AE_OK;
acpi_status status;
const union acpi_predefined_info *predefined;
char *pathname;
struct acpi_predefined_data *data;
/* Match the name for this method/object against the predefined list */
predefined = acpi_ut_match_predefined_method(node->name.ascii);
/* Get the full pathname to the object, for use in warning messages */
pathname = acpi_ns_get_external_pathname(node);
if (!pathname) {
return (AE_OK); /* Could not get pathname, ignore */
}
/*
* Check that the parameter count for this method matches the ASL
* definition. For predefined names, ensure that both the caller and
* the method itself are in accordance with the ACPI specification.
*/
acpi_ns_check_parameter_count(pathname, node, user_param_count,
predefined);
predefined = info->predefined;
pathname = info->full_pathname;
/* If not a predefined name, we cannot validate the return object */
if (!predefined) {
goto cleanup;
return (AE_OK);
}
/*
@ -135,7 +120,7 @@ acpi_ns_check_predefined_names(struct acpi_namespace_node *node,
* validate the return object
*/
if ((return_status != AE_OK) && (return_status != AE_CTRL_RETURN_VALUE)) {
goto cleanup;
return (AE_OK);
}
/*
@ -154,25 +139,14 @@ acpi_ns_check_predefined_names(struct acpi_namespace_node *node,
if (acpi_gbl_disable_auto_repair ||
(!predefined->info.expected_btypes) ||
(predefined->info.expected_btypes == ACPI_RTYPE_ALL)) {
goto cleanup;
return (AE_OK);
}
/* Create the parameter data block for object validation */
data = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_predefined_data));
if (!data) {
goto cleanup;
}
data->predefined = predefined;
data->node = node;
data->node_flags = node->flags;
data->pathname = pathname;
/*
* Check that the type of the main return object is what is expected
* for this predefined name
*/
status = acpi_ns_check_object_type(data, return_object_ptr,
status = acpi_ns_check_object_type(info, return_object_ptr,
predefined->info.expected_btypes,
ACPI_NOT_PACKAGE_ELEMENT);
if (ACPI_FAILURE(status)) {
@ -184,8 +158,8 @@ acpi_ns_check_predefined_names(struct acpi_namespace_node *node,
* Note: Package may have been newly created by call above.
*/
if ((*return_object_ptr)->common.type == ACPI_TYPE_PACKAGE) {
data->parent_package = *return_object_ptr;
status = acpi_ns_check_package(data, return_object_ptr);
info->parent_package = *return_object_ptr;
status = acpi_ns_check_package(info, return_object_ptr);
if (ACPI_FAILURE(status)) {
goto exit;
}
@ -199,7 +173,7 @@ acpi_ns_check_predefined_names(struct acpi_namespace_node *node,
* performed on a per-name basis, i.e., the code is specific to
* particular predefined names.
*/
status = acpi_ns_complex_repairs(data, node, status, return_object_ptr);
status = acpi_ns_complex_repairs(info, node, status, return_object_ptr);
exit:
/*
@ -207,112 +181,18 @@ acpi_ns_check_predefined_names(struct acpi_namespace_node *node,
* or more objects, mark the parent node to suppress further warning
* messages during the next evaluation of the same method/object.
*/
if (ACPI_FAILURE(status) || (data->flags & ACPI_OBJECT_REPAIRED)) {
if (ACPI_FAILURE(status) || (info->return_flags & ACPI_OBJECT_REPAIRED)) {
node->flags |= ANOBJ_EVALUATED;
}
ACPI_FREE(data);
cleanup:
ACPI_FREE(pathname);
return (status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ns_check_parameter_count
*
* PARAMETERS: pathname - Full pathname to the node (for error msgs)
* node - Namespace node for the method/object
* user_param_count - Number of args passed in by the caller
* predefined - Pointer to entry in predefined name table
*
* RETURN: None
*
* DESCRIPTION: Check that the declared (in ASL/AML) parameter count for a
* predefined name is what is expected (i.e., what is defined in
* the ACPI specification for this predefined name.)
*
******************************************************************************/
void
acpi_ns_check_parameter_count(char *pathname,
struct acpi_namespace_node *node,
u32 user_param_count,
const union acpi_predefined_info *predefined)
{
u32 param_count;
u32 required_params_current;
u32 required_params_old;
/* Methods have 0-7 parameters. All other types have zero. */
param_count = 0;
if (node->type == ACPI_TYPE_METHOD) {
param_count = node->object->method.param_count;
}
if (!predefined) {
/*
* Check the parameter count for non-predefined methods/objects.
*
* Warning if too few or too many arguments have been passed by the
* caller. An incorrect number of arguments may not cause the method
* to fail. However, the method will fail if there are too few
* arguments and the method attempts to use one of the missing ones.
*/
if (user_param_count < param_count) {
ACPI_WARN_PREDEFINED((AE_INFO, pathname,
ACPI_WARN_ALWAYS,
"Insufficient arguments - needs %u, found %u",
param_count, user_param_count));
} else if (user_param_count > param_count) {
ACPI_WARN_PREDEFINED((AE_INFO, pathname,
ACPI_WARN_ALWAYS,
"Excess arguments - needs %u, found %u",
param_count, user_param_count));
}
return;
}
/*
* Validate the user-supplied parameter count.
* Allow two different legal argument counts (_SCP, etc.)
*/
required_params_current =
predefined->info.argument_list & METHOD_ARG_MASK;
required_params_old =
predefined->info.argument_list >> METHOD_ARG_BIT_WIDTH;
if (user_param_count != ACPI_UINT32_MAX) {
if ((user_param_count != required_params_current) &&
(user_param_count != required_params_old)) {
ACPI_WARN_PREDEFINED((AE_INFO, pathname,
ACPI_WARN_ALWAYS,
"Parameter count mismatch - "
"caller passed %u, ACPI requires %u",
user_param_count,
required_params_current));
}
}
/*
* Check that the ASL-defined parameter count is what is expected for
* this predefined name (parameter count as defined by the ACPI
* specification)
*/
if ((param_count != required_params_current) &&
(param_count != required_params_old)) {
ACPI_WARN_PREDEFINED((AE_INFO, pathname, node->flags,
"Parameter count mismatch - ASL declared %u, ACPI requires %u",
param_count, required_params_current));
}
}
/*******************************************************************************
*
* FUNCTION: acpi_ns_check_object_type
*
* PARAMETERS: data - Pointer to validation data structure
* PARAMETERS: info - Method execution information block
* return_object_ptr - Pointer to the object returned from the
* evaluation of a method or object
* expected_btypes - Bitmap of expected return type(s)
@ -328,7 +208,7 @@ acpi_ns_check_parameter_count(char *pathname,
******************************************************************************/
acpi_status
acpi_ns_check_object_type(struct acpi_predefined_data *data,
acpi_ns_check_object_type(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr,
u32 expected_btypes, u32 package_index)
{
@ -340,7 +220,8 @@ acpi_ns_check_object_type(struct acpi_predefined_data *data,
if (return_object &&
ACPI_GET_DESCRIPTOR_TYPE(return_object) == ACPI_DESC_TYPE_NAMED) {
ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags,
ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname,
info->node_flags,
"Invalid return type - Found a Namespace node [%4.4s] type %s",
return_object->node.name.ascii,
acpi_ut_get_type_name(return_object->node.
@ -356,8 +237,8 @@ acpi_ns_check_object_type(struct acpi_predefined_data *data,
* from all of the predefined names (including elements of returned
* packages)
*/
data->return_btype = acpi_ns_get_bitmapped_type(return_object);
if (data->return_btype == ACPI_RTYPE_ANY) {
info->return_btype = acpi_ns_get_bitmapped_type(return_object);
if (info->return_btype == ACPI_RTYPE_ANY) {
/* Not one of the supported objects, must be incorrect */
goto type_error_exit;
@ -365,16 +246,18 @@ acpi_ns_check_object_type(struct acpi_predefined_data *data,
/* For reference objects, check that the reference type is correct */
if ((data->return_btype & expected_btypes) == ACPI_RTYPE_REFERENCE) {
status = acpi_ns_check_reference(data, return_object);
if ((info->return_btype & expected_btypes) == ACPI_RTYPE_REFERENCE) {
status = acpi_ns_check_reference(info, return_object);
return (status);
}
/* Attempt simple repair of the returned object if necessary */
status = acpi_ns_simple_repair(data, expected_btypes,
status = acpi_ns_simple_repair(info, expected_btypes,
package_index, return_object_ptr);
return (status);
if (ACPI_SUCCESS(status)) {
return (AE_OK); /* Successful repair */
}
type_error_exit:
@ -383,12 +266,14 @@ acpi_ns_check_object_type(struct acpi_predefined_data *data,
acpi_ut_get_expected_return_types(type_buffer, expected_btypes);
if (package_index == ACPI_NOT_PACKAGE_ELEMENT) {
ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags,
ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname,
info->node_flags,
"Return type mismatch - found %s, expected %s",
acpi_ut_get_object_type_name
(return_object), type_buffer));
} else {
ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags,
ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname,
info->node_flags,
"Return Package type mismatch at index %u - "
"found %s, expected %s", package_index,
acpi_ut_get_object_type_name
@ -402,7 +287,7 @@ acpi_ns_check_object_type(struct acpi_predefined_data *data,
*
* FUNCTION: acpi_ns_check_reference
*
* PARAMETERS: data - Pointer to validation data structure
* PARAMETERS: info - Method execution information block
* return_object - Object returned from the evaluation of a
* method or object
*
@ -415,7 +300,7 @@ acpi_ns_check_object_type(struct acpi_predefined_data *data,
******************************************************************************/
static acpi_status
acpi_ns_check_reference(struct acpi_predefined_data *data,
acpi_ns_check_reference(struct acpi_evaluate_info *info,
union acpi_operand_object *return_object)
{
@ -428,7 +313,7 @@ acpi_ns_check_reference(struct acpi_predefined_data *data,
return (AE_OK);
}
ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags,
ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname, info->node_flags,
"Return type mismatch - unexpected reference object type [%s] %2.2X",
acpi_ut_get_reference_name(return_object),
return_object->reference.class));

76
drivers/acpi/acpica/nsprepkg.c
View File

@ -51,12 +51,12 @@ ACPI_MODULE_NAME("nsprepkg")
/* Local prototypes */
static acpi_status
acpi_ns_check_package_list(struct acpi_predefined_data *data,
acpi_ns_check_package_list(struct acpi_evaluate_info *info,
const union acpi_predefined_info *package,
union acpi_operand_object **elements, u32 count);
static acpi_status
acpi_ns_check_package_elements(struct acpi_predefined_data *data,
acpi_ns_check_package_elements(struct acpi_evaluate_info *info,
union acpi_operand_object **elements,
u8 type1,
u32 count1,
@ -66,7 +66,7 @@ acpi_ns_check_package_elements(struct acpi_predefined_data *data,
*
* FUNCTION: acpi_ns_check_package
*
* PARAMETERS: data - Pointer to validation data structure
* PARAMETERS: info - Method execution information block
* return_object_ptr - Pointer to the object returned from the
* evaluation of a method or object
*
@ -78,7 +78,7 @@ acpi_ns_check_package_elements(struct acpi_predefined_data *data,
******************************************************************************/
acpi_status
acpi_ns_check_package(struct acpi_predefined_data *data,
acpi_ns_check_package(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr)
{
union acpi_operand_object *return_object = *return_object_ptr;
@ -93,18 +93,18 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
/* The package info for this name is in the next table entry */
package = data->predefined + 1;
package = info->predefined + 1;
ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
"%s Validating return Package of Type %X, Count %X\n",
data->pathname, package->ret_info.type,
info->full_pathname, package->ret_info.type,
return_object->package.count));
/*
* For variable-length Packages, we can safely remove all embedded
* and trailing NULL package elements
*/
acpi_ns_remove_null_elements(data, package->ret_info.type,
acpi_ns_remove_null_elements(info, package->ret_info.type,
return_object);
/* Extract package count and elements array */
@ -121,7 +121,8 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
return (AE_OK);
}
ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags,
ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname,
info->node_flags,
"Return Package has no elements (empty)"));
return (AE_AML_OPERAND_VALUE);
@ -150,13 +151,13 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
ACPI_DEBUG_PRINT((ACPI_DB_REPAIR,
"%s: Return Package is larger than needed - "
"found %u, expected %u\n",
data->pathname, count,
info->full_pathname, count,
expected_count));
}
/* Validate all elements of the returned package */
status = acpi_ns_check_package_elements(data, elements,
status = acpi_ns_check_package_elements(info, elements,
package->ret_info.
object_type1,
package->ret_info.
@ -174,7 +175,7 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
* elements must be of the same type
*/
for (i = 0; i < count; i++) {
status = acpi_ns_check_object_type(data, elements,
status = acpi_ns_check_object_type(info, elements,
package->ret_info.
object_type1, i);
if (ACPI_FAILURE(status)) {
@ -206,7 +207,7 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
/* These are the required package elements (0, 1, or 2) */
status =
acpi_ns_check_object_type(data, elements,
acpi_ns_check_object_type(info, elements,
package->
ret_info3.
object_type[i],
@ -218,7 +219,7 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
/* These are the optional package elements */
status =
acpi_ns_check_object_type(data, elements,
acpi_ns_check_object_type(info, elements,
package->
ret_info3.
tail_object_type,
@ -235,7 +236,7 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
/* First element is the (Integer) revision */
status = acpi_ns_check_object_type(data, elements,
status = acpi_ns_check_object_type(info, elements,
ACPI_RTYPE_INTEGER, 0);
if (ACPI_FAILURE(status)) {
return (status);
@ -247,14 +248,14 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
/* Examine the sub-packages */
status =
acpi_ns_check_package_list(data, package, elements, count);
acpi_ns_check_package_list(info, package, elements, count);
break;
case ACPI_PTYPE2_PKG_COUNT:
/* First element is the (Integer) count of sub-packages to follow */
status = acpi_ns_check_object_type(data, elements,
status = acpi_ns_check_object_type(info, elements,
ACPI_RTYPE_INTEGER, 0);
if (ACPI_FAILURE(status)) {
return (status);
@ -275,7 +276,7 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
/* Examine the sub-packages */
status =
acpi_ns_check_package_list(data, package, elements, count);
acpi_ns_check_package_list(info, package, elements, count);
break;
case ACPI_PTYPE2:
@ -300,7 +301,7 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
/* Create the new outer package and populate it */
status =
acpi_ns_wrap_with_package(data, return_object,
acpi_ns_wrap_with_package(info, return_object,
return_object_ptr);
if (ACPI_FAILURE(status)) {
return (status);
@ -316,14 +317,15 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
/* Examine the sub-packages */
status =
acpi_ns_check_package_list(data, package, elements, count);
acpi_ns_check_package_list(info, package, elements, count);
break;
default:
/* Should not get here if predefined info table is correct */
ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags,
ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname,
info->node_flags,
"Invalid internal return type in table entry: %X",
package->ret_info.type));
@ -336,7 +338,7 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
/* Error exit for the case with an incorrect package count */
ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags,
ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname, info->node_flags,
"Return Package is too small - found %u elements, expected %u",
count, expected_count));
@ -347,7 +349,7 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
*
* FUNCTION: acpi_ns_check_package_list
*
* PARAMETERS: data - Pointer to validation data structure
* PARAMETERS: info - Method execution information block
* package - Pointer to package-specific info for method
* elements - Element list of parent package. All elements
* of this list should be of type Package.
@ -360,7 +362,7 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
******************************************************************************/
static acpi_status
acpi_ns_check_package_list(struct acpi_predefined_data *data,
acpi_ns_check_package_list(struct acpi_evaluate_info *info,
const union acpi_predefined_info *package,
union acpi_operand_object **elements, u32 count)
{
@ -381,11 +383,11 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data,
for (i = 0; i < count; i++) {
sub_package = *elements;
sub_elements = sub_package->package.elements;
data->parent_package = sub_package;
info->parent_package = sub_package;
/* Each sub-object must be of type Package */
status = acpi_ns_check_object_type(data, &sub_package,
status = acpi_ns_check_object_type(info, &sub_package,
ACPI_RTYPE_PACKAGE, i);
if (ACPI_FAILURE(status)) {
return (status);
@ -393,7 +395,7 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data,
/* Examine the different types of expected sub-packages */
data->parent_package = sub_package;
info->parent_package = sub_package;
switch (package->ret_info.type) {
case ACPI_PTYPE2:
case ACPI_PTYPE2_PKG_COUNT:
@ -408,7 +410,7 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data,
}
status =
acpi_ns_check_package_elements(data, sub_elements,
acpi_ns_check_package_elements(info, sub_elements,
package->ret_info.
object_type1,
package->ret_info.
@ -434,7 +436,7 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data,
}
status =
acpi_ns_check_package_elements(data, sub_elements,
acpi_ns_check_package_elements(info, sub_elements,
package->ret_info.
object_type1,
package->ret_info.
@ -463,7 +465,7 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data,
for (j = 0; j < expected_count; j++) {
status =
acpi_ns_check_object_type(data,
acpi_ns_check_object_type(info,
&sub_elements[j],
package->
ret_info2.
@ -487,7 +489,7 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data,
/* Check the type of each sub-package element */
status =
acpi_ns_check_package_elements(data, sub_elements,
acpi_ns_check_package_elements(info, sub_elements,
package->ret_info.
object_type1,
sub_package->package.
@ -503,7 +505,7 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data,
* First element is the (Integer) count of elements, including
* the count field (the ACPI name is num_elements)
*/
status = acpi_ns_check_object_type(data, sub_elements,
status = acpi_ns_check_object_type(info, sub_elements,
ACPI_RTYPE_INTEGER,
0);
if (ACPI_FAILURE(status)) {
@ -537,7 +539,7 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data,
/* Check the type of each sub-package element */
status =
acpi_ns_check_package_elements(data,
acpi_ns_check_package_elements(info,
(sub_elements + 1),
package->ret_info.
object_type1,
@ -562,7 +564,7 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data,
/* The sub-package count was smaller than required */
ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags,
ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname, info->node_flags,
"Return Sub-Package[%u] is too small - found %u elements, expected %u",
i, sub_package->package.count, expected_count));
@ -573,7 +575,7 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data,
*
* FUNCTION: acpi_ns_check_package_elements
*
* PARAMETERS: data - Pointer to validation data structure
* PARAMETERS: info - Method execution information block
* elements - Pointer to the package elements array
* type1 - Object type for first group
* count1 - Count for first group
@ -589,7 +591,7 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data,
******************************************************************************/
static acpi_status
acpi_ns_check_package_elements(struct acpi_predefined_data *data,
acpi_ns_check_package_elements(struct acpi_evaluate_info *info,
union acpi_operand_object **elements,
u8 type1,
u32 count1,
@ -605,7 +607,7 @@ acpi_ns_check_package_elements(struct acpi_predefined_data *data,
* The second group can have a count of zero.
*/
for (i = 0; i < count1; i++) {
status = acpi_ns_check_object_type(data, this_element,
status = acpi_ns_check_object_type(info, this_element,
type1, i + start_index);
if (ACPI_FAILURE(status)) {
return (status);
@ -614,7 +616,7 @@ acpi_ns_check_package_elements(struct acpi_predefined_data *data,
}
for (i = 0; i < count2; i++) {
status = acpi_ns_check_object_type(data, this_element,
status = acpi_ns_check_object_type(info, this_element,
type2,
(i + count1 + start_index));
if (ACPI_FAILURE(status)) {

50
drivers/acpi/acpica/nsrepair.c
View File

@ -130,7 +130,7 @@ static const struct acpi_simple_repair_info acpi_object_repair_info[] = {
*
* FUNCTION: acpi_ns_simple_repair
*
* PARAMETERS: data - Pointer to validation data structure
* PARAMETERS: info - Method execution information block
* expected_btypes - Object types expected
* package_index - Index of object within parent package (if
* applicable - ACPI_NOT_PACKAGE_ELEMENT
@ -146,7 +146,7 @@ static const struct acpi_simple_repair_info acpi_object_repair_info[] = {
******************************************************************************/
acpi_status
acpi_ns_simple_repair(struct acpi_predefined_data *data,
acpi_ns_simple_repair(struct acpi_evaluate_info *info,
u32 expected_btypes,
u32 package_index,
union acpi_operand_object **return_object_ptr)
@ -162,12 +162,12 @@ acpi_ns_simple_repair(struct acpi_predefined_data *data,
* Special repairs for certain names that are in the repair table.
* Check if this name is in the list of repairable names.
*/
predefined = acpi_ns_match_simple_repair(data->node,
data->return_btype,
predefined = acpi_ns_match_simple_repair(info->node,
info->return_btype,
package_index);
if (predefined) {
if (!return_object) {
ACPI_WARN_PREDEFINED((AE_INFO, data->pathname,
ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname,
ACPI_WARN_ALWAYS,
"Missing expected return value"));
}
@ -191,7 +191,7 @@ acpi_ns_simple_repair(struct acpi_predefined_data *data,
* Do not perform simple object repair unless the return type is not
* expected.
*/
if (data->return_btype & expected_btypes) {
if (info->return_btype & expected_btypes) {
return (AE_OK);
}
@ -211,7 +211,7 @@ acpi_ns_simple_repair(struct acpi_predefined_data *data,
*/
if (!return_object) {
if (expected_btypes && (!(expected_btypes & ACPI_RTYPE_NONE))) {
ACPI_WARN_PREDEFINED((AE_INFO, data->pathname,
ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname,
ACPI_WARN_ALWAYS,
"Missing expected return value"));
@ -247,14 +247,14 @@ acpi_ns_simple_repair(struct acpi_predefined_data *data,
* for correct contents (expected object type or types).
*/
status =
acpi_ns_wrap_with_package(data, return_object, &new_object);
acpi_ns_wrap_with_package(info, return_object, &new_object);
if (ACPI_SUCCESS(status)) {
/*
* The original object just had its reference count
* incremented for being inserted into the new package.
*/
*return_object_ptr = new_object; /* New Package object */
data->flags |= ACPI_OBJECT_REPAIRED;
info->return_flags |= ACPI_OBJECT_REPAIRED;
return (AE_OK);
}
}
@ -277,7 +277,7 @@ acpi_ns_simple_repair(struct acpi_predefined_data *data,
* package object as part of the repair, we don't need to
* change the reference count.
*/
if (!(data->flags & ACPI_OBJECT_WRAPPED)) {
if (!(info->return_flags & ACPI_OBJECT_WRAPPED)) {
new_object->common.reference_count =
return_object->common.reference_count;
@ -288,14 +288,14 @@ acpi_ns_simple_repair(struct acpi_predefined_data *data,
ACPI_DEBUG_PRINT((ACPI_DB_REPAIR,
"%s: Converted %s to expected %s at Package index %u\n",
data->pathname,
info->full_pathname,
acpi_ut_get_object_type_name(return_object),
acpi_ut_get_object_type_name(new_object),
package_index));
} else {
ACPI_DEBUG_PRINT((ACPI_DB_REPAIR,
"%s: Converted %s to expected %s\n",
data->pathname,
info->full_pathname,
acpi_ut_get_object_type_name(return_object),
acpi_ut_get_object_type_name(new_object)));
}
@ -304,7 +304,7 @@ acpi_ns_simple_repair(struct acpi_predefined_data *data,
acpi_ut_remove_reference(return_object);
*return_object_ptr = new_object;
data->flags |= ACPI_OBJECT_REPAIRED;
info->return_flags |= ACPI_OBJECT_REPAIRED;
return (AE_OK);
}
@ -359,7 +359,7 @@ static const struct acpi_simple_repair_info *acpi_ns_match_simple_repair(struct
*
* FUNCTION: acpi_ns_repair_null_element
*
* PARAMETERS: data - Pointer to validation data structure
* PARAMETERS: info - Method execution information block
* expected_btypes - Object types expected
* package_index - Index of object within parent package (if
* applicable - ACPI_NOT_PACKAGE_ELEMENT
@ -374,7 +374,7 @@ static const struct acpi_simple_repair_info *acpi_ns_match_simple_repair(struct
******************************************************************************/
acpi_status
acpi_ns_repair_null_element(struct acpi_predefined_data *data,
acpi_ns_repair_null_element(struct acpi_evaluate_info * info,
u32 expected_btypes,
u32 package_index,
union acpi_operand_object **return_object_ptr)
@ -424,16 +424,16 @@ acpi_ns_repair_null_element(struct acpi_predefined_data *data,
/* Set the reference count according to the parent Package object */
new_object->common.reference_count =
data->parent_package->common.reference_count;
info->parent_package->common.reference_count;
ACPI_DEBUG_PRINT((ACPI_DB_REPAIR,
"%s: Converted NULL package element to expected %s at index %u\n",
data->pathname,
info->full_pathname,
acpi_ut_get_object_type_name(new_object),
package_index));
*return_object_ptr = new_object;
data->flags |= ACPI_OBJECT_REPAIRED;
info->return_flags |= ACPI_OBJECT_REPAIRED;
return (AE_OK);
}
@ -441,7 +441,7 @@ acpi_ns_repair_null_element(struct acpi_predefined_data *data,
*
* FUNCTION: acpi_ns_remove_null_elements
*
* PARAMETERS: data - Pointer to validation data structure
* PARAMETERS: info - Method execution information block
* package_type - An acpi_return_package_types value
* obj_desc - A Package object
*
@ -454,7 +454,7 @@ acpi_ns_repair_null_element(struct acpi_predefined_data *data,
*****************************************************************************/
void
acpi_ns_remove_null_elements(struct acpi_predefined_data *data,
acpi_ns_remove_null_elements(struct acpi_evaluate_info *info,
u8 package_type,
union acpi_operand_object *obj_desc)
{
@ -511,7 +511,7 @@ acpi_ns_remove_null_elements(struct acpi_predefined_data *data,
if (new_count < count) {
ACPI_DEBUG_PRINT((ACPI_DB_REPAIR,
"%s: Found and removed %u NULL elements\n",
data->pathname, (count - new_count)));
info->full_pathname, (count - new_count)));
/* NULL terminate list and update the package count */
@ -524,7 +524,7 @@ acpi_ns_remove_null_elements(struct acpi_predefined_data *data,
*
* FUNCTION: acpi_ns_wrap_with_package
*
* PARAMETERS: data - Pointer to validation data structure
* PARAMETERS: info - Method execution information block
* original_object - Pointer to the object to repair.
* obj_desc_ptr - The new package object is returned here
*
@ -545,7 +545,7 @@ acpi_ns_remove_null_elements(struct acpi_predefined_data *data,
******************************************************************************/
acpi_status
acpi_ns_wrap_with_package(struct acpi_predefined_data *data,
acpi_ns_wrap_with_package(struct acpi_evaluate_info *info,
union acpi_operand_object *original_object,
union acpi_operand_object **obj_desc_ptr)
{
@ -566,12 +566,12 @@ acpi_ns_wrap_with_package(struct acpi_predefined_data *data,
ACPI_DEBUG_PRINT((ACPI_DB_REPAIR,
"%s: Wrapped %s with expected Package object\n",
data->pathname,
info->full_pathname,
acpi_ut_get_object_type_name(original_object)));
/* Return the new object in the object pointer */
*obj_desc_ptr = pkg_obj_desc;
data->flags |= ACPI_OBJECT_REPAIRED | ACPI_OBJECT_WRAPPED;
info->return_flags |= ACPI_OBJECT_REPAIRED | ACPI_OBJECT_WRAPPED;
return (AE_OK);
}

87
drivers/acpi/acpica/nsrepair2.c
View File

@ -54,7 +54,7 @@ ACPI_MODULE_NAME("nsrepair2")
* be repaired on a per-name basis.
*/
typedef
acpi_status(*acpi_repair_function) (struct acpi_predefined_data *data,
acpi_status(*acpi_repair_function) (struct acpi_evaluate_info * info,
union acpi_operand_object
**return_object_ptr);
@ -71,31 +71,31 @@ static const struct acpi_repair_info *acpi_ns_match_complex_repair(struct
*node);
static acpi_status
acpi_ns_repair_ALR(struct acpi_predefined_data *data,
acpi_ns_repair_ALR(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr);
static acpi_status
acpi_ns_repair_CID(struct acpi_predefined_data *data,
acpi_ns_repair_CID(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr);
static acpi_status
acpi_ns_repair_FDE(struct acpi_predefined_data *data,
acpi_ns_repair_FDE(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr);
static acpi_status
acpi_ns_repair_HID(struct acpi_predefined_data *data,
acpi_ns_repair_HID(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr);
static acpi_status
acpi_ns_repair_PSS(struct acpi_predefined_data *data,
acpi_ns_repair_PSS(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr);
static acpi_status
acpi_ns_repair_TSS(struct acpi_predefined_data *data,
acpi_ns_repair_TSS(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr);
static acpi_status
acpi_ns_check_sorted_list(struct acpi_predefined_data *data,
acpi_ns_check_sorted_list(struct acpi_evaluate_info *info,
union acpi_operand_object *return_object,
u32 expected_count,
u32 sort_index,
@ -150,7 +150,7 @@ static const struct acpi_repair_info acpi_ns_repairable_names[] = {
*
* FUNCTION: acpi_ns_complex_repairs
*
* PARAMETERS: data - Pointer to validation data structure
* PARAMETERS: info - Method execution information block
* node - Namespace node for the method/object
* validate_status - Original status of earlier validation
* return_object_ptr - Pointer to the object returned from the
@ -165,7 +165,7 @@ static const struct acpi_repair_info acpi_ns_repairable_names[] = {
*****************************************************************************/
acpi_status
acpi_ns_complex_repairs(struct acpi_predefined_data *data,
acpi_ns_complex_repairs(struct acpi_evaluate_info *info,
struct acpi_namespace_node *node,
acpi_status validate_status,
union acpi_operand_object **return_object_ptr)
@ -180,7 +180,7 @@ acpi_ns_complex_repairs(struct acpi_predefined_data *data,
return (validate_status);
}
status = predefined->repair_function(data, return_object_ptr);
status = predefined->repair_function(info, return_object_ptr);
return (status);
}
@ -219,7 +219,7 @@ static const struct acpi_repair_info *acpi_ns_match_complex_repair(struct
*
* FUNCTION: acpi_ns_repair_ALR
*
* PARAMETERS: data - Pointer to validation data structure
* PARAMETERS: info - Method execution information block
* return_object_ptr - Pointer to the object returned from the
* evaluation of a method or object
*
@ -231,13 +231,13 @@ static const struct acpi_repair_info *acpi_ns_match_complex_repair(struct
*****************************************************************************/
static acpi_status
acpi_ns_repair_ALR(struct acpi_predefined_data *data,
acpi_ns_repair_ALR(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr)
{
union acpi_operand_object *return_object = *return_object_ptr;
acpi_status status;
status = acpi_ns_check_sorted_list(data, return_object, 2, 1,
status = acpi_ns_check_sorted_list(info, return_object, 2, 1,
ACPI_SORT_ASCENDING,
"AmbientIlluminance");
@ -248,7 +248,7 @@ acpi_ns_repair_ALR(struct acpi_predefined_data *data,
*
* FUNCTION: acpi_ns_repair_FDE
*
* PARAMETERS: data - Pointer to validation data structure
* PARAMETERS: info - Method execution information block
* return_object_ptr - Pointer to the object returned from the
* evaluation of a method or object
*
@ -262,7 +262,7 @@ acpi_ns_repair_ALR(struct acpi_predefined_data *data,
*****************************************************************************/
static acpi_status
acpi_ns_repair_FDE(struct acpi_predefined_data *data,
acpi_ns_repair_FDE(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr)
{
union acpi_operand_object *return_object = *return_object_ptr;
@ -285,8 +285,8 @@ acpi_ns_repair_FDE(struct acpi_predefined_data *data,
/* We can only repair if we have exactly 5 BYTEs */
if (return_object->buffer.length != ACPI_FDE_BYTE_BUFFER_SIZE) {
ACPI_WARN_PREDEFINED((AE_INFO, data->pathname,
data->node_flags,
ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname,
info->node_flags,
"Incorrect return buffer length %u, expected %u",
return_object->buffer.length,
ACPI_FDE_DWORD_BUFFER_SIZE));
@ -316,7 +316,7 @@ acpi_ns_repair_FDE(struct acpi_predefined_data *data,
ACPI_DEBUG_PRINT((ACPI_DB_REPAIR,
"%s Expanded Byte Buffer to expected DWord Buffer\n",
data->pathname));
info->full_pathname));
break;
default:
@ -328,7 +328,7 @@ acpi_ns_repair_FDE(struct acpi_predefined_data *data,
acpi_ut_remove_reference(return_object);
*return_object_ptr = buffer_object;
data->flags |= ACPI_OBJECT_REPAIRED;
info->return_flags |= ACPI_OBJECT_REPAIRED;
return (AE_OK);
}
@ -336,7 +336,7 @@ acpi_ns_repair_FDE(struct acpi_predefined_data *data,
*
* FUNCTION: acpi_ns_repair_CID
*
* PARAMETERS: data - Pointer to validation data structure
* PARAMETERS: info - Method execution information block
* return_object_ptr - Pointer to the object returned from the
* evaluation of a method or object
*
@ -349,7 +349,7 @@ acpi_ns_repair_FDE(struct acpi_predefined_data *data,
*****************************************************************************/
static acpi_status
acpi_ns_repair_CID(struct acpi_predefined_data *data,
acpi_ns_repair_CID(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr)
{
acpi_status status;
@ -362,7 +362,7 @@ acpi_ns_repair_CID(struct acpi_predefined_data *data,
/* Check for _CID as a simple string */
if (return_object->common.type == ACPI_TYPE_STRING) {
status = acpi_ns_repair_HID(data, return_object_ptr);
status = acpi_ns_repair_HID(info, return_object_ptr);
return (status);
}
@ -379,7 +379,7 @@ acpi_ns_repair_CID(struct acpi_predefined_data *data,
original_element = *element_ptr;
original_ref_count = original_element->common.reference_count;
status = acpi_ns_repair_HID(data, element_ptr);
status = acpi_ns_repair_HID(info, element_ptr);
if (ACPI_FAILURE(status)) {
return (status);
}
@ -406,7 +406,7 @@ acpi_ns_repair_CID(struct acpi_predefined_data *data,
*
* FUNCTION: acpi_ns_repair_HID
*
* PARAMETERS: data - Pointer to validation data structure
* PARAMETERS: info - Method execution information block
* return_object_ptr - Pointer to the object returned from the
* evaluation of a method or object
*
@ -418,7 +418,7 @@ acpi_ns_repair_CID(struct acpi_predefined_data *data,
*****************************************************************************/
static acpi_status
acpi_ns_repair_HID(struct acpi_predefined_data *data,
acpi_ns_repair_HID(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr)
{
union acpi_operand_object *return_object = *return_object_ptr;
@ -435,12 +435,13 @@ acpi_ns_repair_HID(struct acpi_predefined_data *data,
}
if (return_object->string.length == 0) {
ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags,
ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname,
info->node_flags,
"Invalid zero-length _HID or _CID string"));
/* Return AE_OK anyway, let driver handle it */
data->flags |= ACPI_OBJECT_REPAIRED;
info->return_flags |= ACPI_OBJECT_REPAIRED;
return (AE_OK);
}
@ -464,7 +465,7 @@ acpi_ns_repair_HID(struct acpi_predefined_data *data,
ACPI_DEBUG_PRINT((ACPI_DB_REPAIR,
"%s: Removed invalid leading asterisk\n",
data->pathname));
info->full_pathname));
}
/*
@ -488,7 +489,7 @@ acpi_ns_repair_HID(struct acpi_predefined_data *data,
*
* FUNCTION: acpi_ns_repair_TSS
*
* PARAMETERS: data - Pointer to validation data structure
* PARAMETERS: info - Method execution information block
* return_object_ptr - Pointer to the object returned from the
* evaluation of a method or object
*
@ -500,7 +501,7 @@ acpi_ns_repair_HID(struct acpi_predefined_data *data,
*****************************************************************************/
static acpi_status
acpi_ns_repair_TSS(struct acpi_predefined_data *data,
acpi_ns_repair_TSS(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr)
{
union acpi_operand_object *return_object = *return_object_ptr;
@ -515,13 +516,13 @@ acpi_ns_repair_TSS(struct acpi_predefined_data *data,
* In this case, it is best to just return the _TSS package as-is.
* (May, 2011)
*/
status =
acpi_ns_get_node(data->node, "^_PSS", ACPI_NS_NO_UPSEARCH, &node);
status = acpi_ns_get_node(info->node, "^_PSS",
ACPI_NS_NO_UPSEARCH, &node);
if (ACPI_SUCCESS(status)) {
return (AE_OK);
}
status = acpi_ns_check_sorted_list(data, return_object, 5, 1,
status = acpi_ns_check_sorted_list(info, return_object, 5, 1,
ACPI_SORT_DESCENDING,
"PowerDissipation");
@ -532,7 +533,7 @@ acpi_ns_repair_TSS(struct acpi_predefined_data *data,
*
* FUNCTION: acpi_ns_repair_PSS
*
* PARAMETERS: data - Pointer to validation data structure
* PARAMETERS: info - Method execution information block
* return_object_ptr - Pointer to the object returned from the
* evaluation of a method or object
*
@ -546,7 +547,7 @@ acpi_ns_repair_TSS(struct acpi_predefined_data *data,
*****************************************************************************/
static acpi_status
acpi_ns_repair_PSS(struct acpi_predefined_data *data,
acpi_ns_repair_PSS(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr)
{
union acpi_operand_object *return_object = *return_object_ptr;
@ -564,7 +565,7 @@ acpi_ns_repair_PSS(struct acpi_predefined_data *data,
* incorrectly sorted, sort it. We sort by cpu_frequency, since this
* should be proportional to the power.
*/
status = acpi_ns_check_sorted_list(data, return_object, 6, 0,
status = acpi_ns_check_sorted_list(info, return_object, 6, 0,
ACPI_SORT_DESCENDING,
"CpuFrequency");
if (ACPI_FAILURE(status)) {
@ -584,8 +585,8 @@ acpi_ns_repair_PSS(struct acpi_predefined_data *data,
obj_desc = elements[1]; /* Index1 = power_dissipation */
if ((u32) obj_desc->integer.value > previous_value) {
ACPI_WARN_PREDEFINED((AE_INFO, data->pathname,
data->node_flags,
ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname,
info->node_flags,
"SubPackage[%u,%u] - suspicious power dissipation values",
i - 1, i));
}
@ -601,7 +602,7 @@ acpi_ns_repair_PSS(struct acpi_predefined_data *data,
*
* FUNCTION: acpi_ns_check_sorted_list
*
* PARAMETERS: data - Pointer to validation data structure
* PARAMETERS: info - Method execution information block
* return_object - Pointer to the top-level returned object
* expected_count - Minimum length of each sub-package
* sort_index - Sub-package entry to sort on
@ -617,7 +618,7 @@ acpi_ns_repair_PSS(struct acpi_predefined_data *data,
*****************************************************************************/
static acpi_status
acpi_ns_check_sorted_list(struct acpi_predefined_data *data,
acpi_ns_check_sorted_list(struct acpi_evaluate_info *info,
union acpi_operand_object *return_object,
u32 expected_count,
u32 sort_index,
@ -689,11 +690,11 @@ acpi_ns_check_sorted_list(struct acpi_predefined_data *data,
outer_element_count, sort_index,
sort_direction);
data->flags |= ACPI_OBJECT_REPAIRED;
info->return_flags |= ACPI_OBJECT_REPAIRED;
ACPI_DEBUG_PRINT((ACPI_DB_REPAIR,
"%s: Repaired unsorted list - now sorted by %s\n",
data->pathname, sort_key_name));
info->full_pathname, sort_key_name));
return (AE_OK);
}

188
drivers/acpi/acpica/nsxfeval.c
View File

@ -187,8 +187,6 @@ acpi_evaluate_object(acpi_handle handle,
return_ACPI_STATUS(AE_NO_MEMORY);
}
info->pathname = pathname;
/* Convert and validate the device handle */
info->prefix_node = acpi_ns_validate_handle(handle);
@ -198,55 +196,23 @@ acpi_evaluate_object(acpi_handle handle,
}
/*
* If there are parameters to be passed to a control method, the external
* objects must all be converted to internal objects
*/
if (external_params && external_params->count) {
/*
* Allocate a new parameter block for the internal objects
* Add 1 to count to allow for null terminated internal list
*/
info->parameters = ACPI_ALLOCATE_ZEROED(((acpi_size)
external_params->
count +
1) * sizeof(void *));
if (!info->parameters) {
status = AE_NO_MEMORY;
goto cleanup;
}
/* Convert each external object in the list to an internal object */
for (i = 0; i < external_params->count; i++) {
status =
acpi_ut_copy_eobject_to_iobject(&external_params->
pointer[i],
&info->
parameters[i]);
if (ACPI_FAILURE(status)) {
goto cleanup;
}
}
info->parameters[external_params->count] = NULL;
}
/*
* Three major cases:
* 1) Fully qualified pathname
* 2) No handle, not fully qualified pathname (error)
* 3) Valid handle
* Get the actual namespace node for the target object.
* Handles these cases:
*
* 1) Null node, valid pathname from root (absolute path)
* 2) Node and valid pathname (path relative to Node)
* 3) Node, Null pathname
*/
if ((pathname) && (ACPI_IS_ROOT_PREFIX(pathname[0]))) {
/* The path is fully qualified, just evaluate by name */
info->prefix_node = NULL;
status = acpi_ns_evaluate(info);
} else if (!handle) {
/*
* A handle is optional iff a fully qualified pathname is specified.
* Since we've already handled fully qualified names above, this is
* an error
* an error.
*/
if (!pathname) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
@ -258,12 +224,144 @@ acpi_evaluate_object(acpi_handle handle,
}
status = AE_BAD_PARAMETER;
} else {
/* We have a namespace a node and a possible relative path */
status = acpi_ns_evaluate(info);
goto cleanup;
}
info->relative_pathname = pathname;
/*
* Convert all external objects passed as arguments to the
* internal version(s).
*/
if (external_params && external_params->count) {
info->param_count = (u16)external_params->count;
/* Warn on impossible argument count */
if (info->param_count > ACPI_METHOD_NUM_ARGS) {
ACPI_WARN_PREDEFINED((AE_INFO, pathname,
ACPI_WARN_ALWAYS,
"Excess arguments (%u) - using only %u",
info->param_count,
ACPI_METHOD_NUM_ARGS));
info->param_count = ACPI_METHOD_NUM_ARGS;
}
/*
* Allocate a new parameter block for the internal objects
* Add 1 to count to allow for null terminated internal list
*/
info->parameters = ACPI_ALLOCATE_ZEROED(((acpi_size) info->
param_count +
1) * sizeof(void *));
if (!info->parameters) {
status = AE_NO_MEMORY;
goto cleanup;
}
/* Convert each external object in the list to an internal object */
for (i = 0; i < info->param_count; i++) {
status =
acpi_ut_copy_eobject_to_iobject(&external_params->
pointer[i],
&info->
parameters[i]);
if (ACPI_FAILURE(status)) {
goto cleanup;
}
}
info->parameters[info->param_count] = NULL;
}
#if 0
/*
* Begin incoming argument count analysis. Check for too few args
* and too many args.
*/
switch (acpi_ns_get_type(info->node)) {
case ACPI_TYPE_METHOD:
/* Check incoming argument count against the method definition */
if (info->obj_desc->method.param_count > info->param_count) {
ACPI_ERROR((AE_INFO,
"Insufficient arguments (%u) - %u are required",
info->param_count,
info->obj_desc->method.param_count));
status = AE_MISSING_ARGUMENTS;
goto cleanup;
}
else if (info->obj_desc->method.param_count < info->param_count) {
ACPI_WARNING((AE_INFO,
"Excess arguments (%u) - only %u are required",
info->param_count,
info->obj_desc->method.param_count));
/* Just pass the required number of arguments */
info->param_count = info->obj_desc->method.param_count;
}
/*
* Any incoming external objects to be passed as arguments to the
* method must be converted to internal objects
*/
if (info->param_count) {
/*
* Allocate a new parameter block for the internal objects
* Add 1 to count to allow for null terminated internal list
*/
info->parameters = ACPI_ALLOCATE_ZEROED(((acpi_size)
info->
param_count +
1) *
sizeof(void *));
if (!info->parameters) {
status = AE_NO_MEMORY;
goto cleanup;
}
/* Convert each external object in the list to an internal object */
for (i = 0; i < info->param_count; i++) {
status =
acpi_ut_copy_eobject_to_iobject
(&external_params->pointer[i],
&info->parameters[i]);
if (ACPI_FAILURE(status)) {
goto cleanup;
}
}
info->parameters[info->param_count] = NULL;
}
break;
default:
/* Warn if arguments passed to an object that is not a method */
if (info->param_count) {
ACPI_WARNING((AE_INFO,
"%u arguments were passed to a non-method ACPI object",
info->param_count));
}
break;
}
#endif
/* Now we can evaluate the object */
status = acpi_ns_evaluate(info);
/*
* If we are expecting a return value, and all went well above,
* copy the return value to an external object.

14
drivers/acpi/acpica/psxface.c
View File

@ -125,7 +125,7 @@ static void acpi_ps_start_trace(struct acpi_evaluate_info *info)
}
if ((!acpi_gbl_trace_method_name) ||
(acpi_gbl_trace_method_name != info->resolved_node->name.integer)) {
(acpi_gbl_trace_method_name != info->node->name.integer)) {
goto exit;
}
@ -170,7 +170,7 @@ static void acpi_ps_stop_trace(struct acpi_evaluate_info *info)
}
if ((!acpi_gbl_trace_method_name) ||
(acpi_gbl_trace_method_name != info->resolved_node->name.integer)) {
(acpi_gbl_trace_method_name != info->node->name.integer)) {
goto exit;
}
@ -226,15 +226,14 @@ acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info)
/* Validate the Info and method Node */
if (!info || !info->resolved_node) {
if (!info || !info->node) {
return_ACPI_STATUS(AE_NULL_ENTRY);
}
/* Init for new method, wait on concurrency semaphore */
status =
acpi_ds_begin_method_execution(info->resolved_node, info->obj_desc,
NULL);
acpi_ds_begin_method_execution(info->node, info->obj_desc, NULL);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
@ -253,8 +252,7 @@ acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info)
*/
ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
"**** Begin Method Parse/Execute [%4.4s] **** Node=%p Obj=%p\n",
info->resolved_node->name.ascii, info->resolved_node,
info->obj_desc));
info->node->name.ascii, info->node, info->obj_desc));
/* Create and init a Root Node */
@ -275,7 +273,7 @@ acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info)
goto cleanup;
}
status = acpi_ds_init_aml_walk(walk_state, op, info->resolved_node,
status = acpi_ds_init_aml_walk(walk_state, op, info->node,
info->obj_desc->method.aml_start,
info->obj_desc->method.aml_length, info,
info->pass_number);

2
drivers/acpi/acpica/rsutils.c
View File

@ -736,7 +736,7 @@ acpi_rs_set_srs_method_data(struct acpi_namespace_node *node,
}
info->prefix_node = node;
info->pathname = METHOD_NAME__SRS;
info->relative_pathname = METHOD_NAME__SRS;
info->parameters = args;
info->flags = ACPI_IGNORE_RETURN_VALUE;

2
drivers/acpi/acpica/uteval.c
View File

@ -87,7 +87,7 @@ acpi_ut_evaluate_object(struct acpi_namespace_node * prefix_node,
}
info->prefix_node = prefix_node;
info->pathname = path;
info->relative_pathname = path;
/* Evaluate the object/method */

16
drivers/acpi/acpica/utpredef.c
View File

@ -147,6 +147,11 @@ void acpi_ut_get_expected_return_types(char *buffer, u32 expected_btypes)
u32 i;
u32 j;
if (!expected_btypes) {
ACPI_STRCPY(buffer, "NONE");
return;
}
j = 1;
buffer[0] = 0;
this_rtype = ACPI_RTYPE_INTEGER;
@ -328,9 +333,7 @@ static u32 acpi_ut_get_argument_types(char *buffer, u16 argument_types)
/* First field in the types list is the count of args to follow */
arg_count = (argument_types & METHOD_ARG_MASK);
argument_types >>= METHOD_ARG_BIT_WIDTH;
arg_count = METHOD_GET_ARG_COUNT(argument_types);
if (arg_count > METHOD_PREDEF_ARGS_MAX) {
printf("**** Invalid argument count (%u) "
"in predefined info structure\n", arg_count);
@ -340,7 +343,8 @@ static u32 acpi_ut_get_argument_types(char *buffer, u16 argument_types)
/* Get each argument from the list, convert to ascii, store to buffer */
for (i = 0; i < arg_count; i++) {
this_argument_type = (argument_types & METHOD_ARG_MASK);
this_argument_type = METHOD_GET_NEXT_TYPE(argument_types);
if (!this_argument_type
|| (this_argument_type > METHOD_MAX_ARG_TYPE)) {
printf("**** Invalid argument type (%u) "
@ -351,10 +355,6 @@ static u32 acpi_ut_get_argument_types(char *buffer, u16 argument_types)
strcat(buffer,
ut_external_type_names[this_argument_type] + sub_index);
/* Shift to next argument type field */
argument_types >>= METHOD_ARG_BIT_WIDTH;
sub_index = 0;
}

4
include/acpi/acconfig.h
View File

@ -219,8 +219,8 @@
*
*****************************************************************************/
#define ACPI_DEBUGGER_MAX_ARGS 8 /* Must be max method args + 1 */
#define ACPI_DB_LINE_BUFFER_SIZE 512
#define ACPI_DEBUGGER_MAX_ARGS ACPI_METHOD_NUM_ARGS + 4 /* Max command line arguments */
#define ACPI_DB_LINE_BUFFER_SIZE 512
#define ACPI_DEBUGGER_COMMAND_PROMPT '-'
#define ACPI_DEBUGGER_EXECUTE_PROMPT '%'