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ACPICA: Add argument typechecking for all predefined ACPI names 

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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 @@ exit:
* 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 '%'