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Diffstat (limited to '')
-rw-r--r-- | drivers/acpi/acpica/uterror.c | 327 |
1 files changed, 327 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/uterror.c b/drivers/acpi/acpica/uterror.c new file mode 100644 index 000000000..918aca7c4 --- /dev/null +++ b/drivers/acpi/acpica/uterror.c @@ -0,0 +1,327 @@ +// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 +/******************************************************************************* + * + * Module Name: uterror - Various internal error/warning output functions + * + ******************************************************************************/ + +#include <acpi/acpi.h> +#include "accommon.h" +#include "acnamesp.h" + +#define _COMPONENT ACPI_UTILITIES +ACPI_MODULE_NAME("uterror") + +/* + * This module contains internal error functions that may + * be configured out. + */ +#if !defined (ACPI_NO_ERROR_MESSAGES) +/******************************************************************************* + * + * FUNCTION: acpi_ut_predefined_warning + * + * PARAMETERS: module_name - Caller's module name (for error output) + * line_number - Caller's line number (for error output) + * pathname - Full pathname to the node + * node_flags - From Namespace node for the method/object + * format - Printf format string + additional args + * + * RETURN: None + * + * DESCRIPTION: Warnings for the predefined validation module. Messages are + * only emitted the first time a problem with a particular + * method/object is detected. This prevents a flood of error + * messages for methods that are repeatedly evaluated. + * + ******************************************************************************/ +void ACPI_INTERNAL_VAR_XFACE +acpi_ut_predefined_warning(const char *module_name, + u32 line_number, + char *pathname, + u16 node_flags, const char *format, ...) +{ + va_list arg_list; + + /* + * Warning messages for this method/object will be disabled after the + * first time a validation fails or an object is successfully repaired. + */ + if (node_flags & ANOBJ_EVALUATED) { + return; + } + + acpi_os_printf(ACPI_MSG_WARNING "%s: ", pathname); + + va_start(arg_list, format); + acpi_os_vprintf(format, arg_list); + ACPI_MSG_SUFFIX; + va_end(arg_list); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_predefined_info + * + * PARAMETERS: module_name - Caller's module name (for error output) + * line_number - Caller's line number (for error output) + * pathname - Full pathname to the node + * node_flags - From Namespace node for the method/object + * format - Printf format string + additional args + * + * RETURN: None + * + * DESCRIPTION: Info messages for the predefined validation module. Messages + * are only emitted the first time a problem with a particular + * method/object is detected. This prevents a flood of + * messages for methods that are repeatedly evaluated. + * + ******************************************************************************/ + +void ACPI_INTERNAL_VAR_XFACE +acpi_ut_predefined_info(const char *module_name, + u32 line_number, + char *pathname, u16 node_flags, const char *format, ...) +{ + va_list arg_list; + + /* + * Warning messages for this method/object will be disabled after the + * first time a validation fails or an object is successfully repaired. + */ + if (node_flags & ANOBJ_EVALUATED) { + return; + } + + acpi_os_printf(ACPI_MSG_INFO "%s: ", pathname); + + va_start(arg_list, format); + acpi_os_vprintf(format, arg_list); + ACPI_MSG_SUFFIX; + va_end(arg_list); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_predefined_bios_error + * + * PARAMETERS: module_name - Caller's module name (for error output) + * line_number - Caller's line number (for error output) + * pathname - Full pathname to the node + * node_flags - From Namespace node for the method/object + * format - Printf format string + additional args + * + * RETURN: None + * + * DESCRIPTION: BIOS error message for predefined names. Messages + * are only emitted the first time a problem with a particular + * method/object is detected. This prevents a flood of + * messages for methods that are repeatedly evaluated. + * + ******************************************************************************/ + +void ACPI_INTERNAL_VAR_XFACE +acpi_ut_predefined_bios_error(const char *module_name, + u32 line_number, + char *pathname, + u16 node_flags, const char *format, ...) +{ + va_list arg_list; + + /* + * Warning messages for this method/object will be disabled after the + * first time a validation fails or an object is successfully repaired. + */ + if (node_flags & ANOBJ_EVALUATED) { + return; + } + + acpi_os_printf(ACPI_MSG_BIOS_ERROR "%s: ", pathname); + + va_start(arg_list, format); + acpi_os_vprintf(format, arg_list); + ACPI_MSG_SUFFIX; + va_end(arg_list); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_prefixed_namespace_error + * + * PARAMETERS: module_name - Caller's module name (for error output) + * line_number - Caller's line number (for error output) + * prefix_scope - Scope/Path that prefixes the internal path + * internal_path - Name or path of the namespace node + * lookup_status - Exception code from NS lookup + * + * RETURN: None + * + * DESCRIPTION: Print error message with the full pathname constructed this way: + * + * prefix_scope_node_full_path.externalized_internal_path + * + * NOTE: 10/2017: Treat the major ns_lookup errors as firmware errors + * + ******************************************************************************/ + +void +acpi_ut_prefixed_namespace_error(const char *module_name, + u32 line_number, + union acpi_generic_state *prefix_scope, + const char *internal_path, + acpi_status lookup_status) +{ + char *full_path; + const char *message; + + /* + * Main cases: + * 1) Object creation, object must not already exist + * 2) Object lookup, object must exist + */ + switch (lookup_status) { + case AE_ALREADY_EXISTS: + + acpi_os_printf(ACPI_MSG_BIOS_ERROR); + message = "Failure creating named object"; + break; + + case AE_NOT_FOUND: + + acpi_os_printf(ACPI_MSG_BIOS_ERROR); + message = "Could not resolve symbol"; + break; + + default: + + acpi_os_printf(ACPI_MSG_ERROR); + message = "Failure resolving symbol"; + break; + } + + /* Concatenate the prefix path and the internal path */ + + full_path = + acpi_ns_build_prefixed_pathname(prefix_scope, internal_path); + + acpi_os_printf("%s [%s], %s", message, + full_path ? full_path : "Could not get pathname", + acpi_format_exception(lookup_status)); + + if (full_path) { + ACPI_FREE(full_path); + } + + ACPI_MSG_SUFFIX; +} + +#ifdef __OBSOLETE_FUNCTION +/******************************************************************************* + * + * FUNCTION: acpi_ut_namespace_error + * + * PARAMETERS: module_name - Caller's module name (for error output) + * line_number - Caller's line number (for error output) + * internal_name - Name or path of the namespace node + * lookup_status - Exception code from NS lookup + * + * RETURN: None + * + * DESCRIPTION: Print error message with the full pathname for the NS node. + * + ******************************************************************************/ + +void +acpi_ut_namespace_error(const char *module_name, + u32 line_number, + const char *internal_name, acpi_status lookup_status) +{ + acpi_status status; + u32 bad_name; + char *name = NULL; + + ACPI_MSG_REDIRECT_BEGIN; + acpi_os_printf(ACPI_MSG_ERROR); + + if (lookup_status == AE_BAD_CHARACTER) { + + /* There is a non-ascii character in the name */ + + ACPI_MOVE_32_TO_32(&bad_name, + ACPI_CAST_PTR(u32, internal_name)); + acpi_os_printf("[0x%.8X] (NON-ASCII)", bad_name); + } else { + /* Convert path to external format */ + + status = + acpi_ns_externalize_name(ACPI_UINT32_MAX, internal_name, + NULL, &name); + + /* Print target name */ + + if (ACPI_SUCCESS(status)) { + acpi_os_printf("[%s]", name); + } else { + acpi_os_printf("[COULD NOT EXTERNALIZE NAME]"); + } + + if (name) { + ACPI_FREE(name); + } + } + + acpi_os_printf(" Namespace lookup failure, %s", + acpi_format_exception(lookup_status)); + + ACPI_MSG_SUFFIX; + ACPI_MSG_REDIRECT_END; +} +#endif + +/******************************************************************************* + * + * FUNCTION: acpi_ut_method_error + * + * PARAMETERS: module_name - Caller's module name (for error output) + * line_number - Caller's line number (for error output) + * message - Error message to use on failure + * prefix_node - Prefix relative to the path + * path - Path to the node (optional) + * method_status - Execution status + * + * RETURN: None + * + * DESCRIPTION: Print error message with the full pathname for the method. + * + ******************************************************************************/ + +void +acpi_ut_method_error(const char *module_name, + u32 line_number, + const char *message, + struct acpi_namespace_node *prefix_node, + const char *path, acpi_status method_status) +{ + acpi_status status; + struct acpi_namespace_node *node = prefix_node; + + ACPI_MSG_REDIRECT_BEGIN; + acpi_os_printf(ACPI_MSG_ERROR); + + if (path) { + status = acpi_ns_get_node(prefix_node, path, + ACPI_NS_NO_UPSEARCH, &node); + if (ACPI_FAILURE(status)) { + acpi_os_printf("[Could not get node by pathname]"); + } + } + + acpi_ns_print_node_pathname(node, message); + acpi_os_printf(" due to previous error (%s)", + acpi_format_exception(method_status)); + + ACPI_MSG_SUFFIX; + ACPI_MSG_REDIRECT_END; +} + +#endif /* ACPI_NO_ERROR_MESSAGES */ |