******************************************************************************/
/*
- * Copyright (C) 2000 - 2005, R. Byron Moore
+ * Copyright (C) 2000 - 2006, R. Byron Moore
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* POSSIBILITY OF SUCH DAMAGES.
*/
-
#include <acpi/acpi.h>
#include <acpi/acresrc.h>
#include <acpi/amlcode.h>
#include <acpi/acnamesp.h>
#define _COMPONENT ACPI_RESOURCES
- ACPI_MODULE_NAME ("rscreate")
-
+ACPI_MODULE_NAME("rscreate")
/*******************************************************************************
*
* FUNCTION: acpi_rs_create_resource_list
*
- * PARAMETERS: byte_stream_buffer - Pointer to the resource byte stream
- * output_buffer - Pointer to the user's buffer
+ * PARAMETERS: aml_buffer - Pointer to the resource byte stream
+ * output_buffer - Pointer to the user's buffer
*
- * RETURN: Status - AE_OK if okay, else a valid acpi_status code
+ * RETURN: Status: AE_OK if okay, else a valid acpi_status code
* If output_buffer is not large enough, output_buffer_length
* indicates how large output_buffer should be, else it
* indicates how may u8 elements of output_buffer are valid.
* of device resources.
*
******************************************************************************/
-
acpi_status
-acpi_rs_create_resource_list (
- union acpi_operand_object *byte_stream_buffer,
- struct acpi_buffer *output_buffer)
+acpi_rs_create_resource_list(union acpi_operand_object *aml_buffer,
+ struct acpi_buffer *output_buffer)
{
- acpi_status status;
- u8 *byte_stream_start;
- acpi_size list_size_needed = 0;
- u32 byte_stream_buffer_length;
+ acpi_status status;
+ u8 *aml_start;
+ acpi_size list_size_needed = 0;
+ u32 aml_buffer_length;
+ ACPI_FUNCTION_TRACE("rs_create_resource_list");
- ACPI_FUNCTION_TRACE ("rs_create_resource_list");
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "aml_buffer = %p\n", aml_buffer));
+ /* Params already validated, so we don't re-validate here */
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "byte_stream_buffer = %p\n",
- byte_stream_buffer));
+ aml_buffer_length = aml_buffer->buffer.length;
+ aml_start = aml_buffer->buffer.pointer;
/*
- * Params already validated, so we don't re-validate here
- */
- byte_stream_buffer_length = byte_stream_buffer->buffer.length;
- byte_stream_start = byte_stream_buffer->buffer.pointer;
-
- /*
- * Pass the byte_stream_buffer into a module that can calculate
+ * Pass the aml_buffer into a module that can calculate
* the buffer size needed for the linked list
*/
- status = acpi_rs_get_list_length (byte_stream_start, byte_stream_buffer_length,
- &list_size_needed);
+ status = acpi_rs_get_list_length(aml_start, aml_buffer_length,
+ &list_size_needed);
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Status=%X list_size_needed=%X\n",
- status, (u32) list_size_needed));
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Status=%X list_size_needed=%X\n",
+ status, (u32) list_size_needed));
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
/* Validate/Allocate/Clear caller buffer */
- status = acpi_ut_initialize_buffer (output_buffer, list_size_needed);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ut_initialize_buffer(output_buffer, list_size_needed);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
/* Do the conversion */
- status = acpi_rs_byte_stream_to_list (byte_stream_start, byte_stream_buffer_length,
- output_buffer->pointer);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_rs_convert_aml_to_resources(aml_start, aml_buffer_length,
+ output_buffer->pointer);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "output_buffer %p Length %X\n",
- output_buffer->pointer, (u32) output_buffer->length));
- return_ACPI_STATUS (AE_OK);
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "output_buffer %p Length %X\n",
+ output_buffer->pointer, (u32) output_buffer->length));
+ return_ACPI_STATUS(AE_OK);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_rs_create_pci_routing_table
******************************************************************************/
acpi_status
-acpi_rs_create_pci_routing_table (
- union acpi_operand_object *package_object,
- struct acpi_buffer *output_buffer)
+acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
+ struct acpi_buffer *output_buffer)
{
- u8 *buffer;
- union acpi_operand_object **top_object_list;
- union acpi_operand_object **sub_object_list;
- union acpi_operand_object *obj_desc;
- acpi_size buffer_size_needed = 0;
- u32 number_of_elements;
- u32 index;
- struct acpi_pci_routing_table *user_prt;
- struct acpi_namespace_node *node;
- acpi_status status;
- struct acpi_buffer path_buffer;
-
-
- ACPI_FUNCTION_TRACE ("rs_create_pci_routing_table");
-
+ u8 *buffer;
+ union acpi_operand_object **top_object_list;
+ union acpi_operand_object **sub_object_list;
+ union acpi_operand_object *obj_desc;
+ acpi_size buffer_size_needed = 0;
+ u32 number_of_elements;
+ u32 index;
+ struct acpi_pci_routing_table *user_prt;
+ struct acpi_namespace_node *node;
+ acpi_status status;
+ struct acpi_buffer path_buffer;
+
+ ACPI_FUNCTION_TRACE("rs_create_pci_routing_table");
/* Params already validated, so we don't re-validate here */
- /*
- * Get the required buffer length
- */
- status = acpi_rs_get_pci_routing_table_length (package_object,
- &buffer_size_needed);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ /* Get the required buffer length */
+
+ status = acpi_rs_get_pci_routing_table_length(package_object,
+ &buffer_size_needed);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "buffer_size_needed = %X\n",
- (u32) buffer_size_needed));
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "buffer_size_needed = %X\n",
+ (u32) buffer_size_needed));
/* Validate/Allocate/Clear caller buffer */
- status = acpi_ut_initialize_buffer (output_buffer, buffer_size_needed);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ut_initialize_buffer(output_buffer, buffer_size_needed);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
/*
* should be a package that in turn contains an
* acpi_integer Address, a u8 Pin, a Name and a u8 source_index.
*/
- top_object_list = package_object->package.elements;
+ top_object_list = package_object->package.elements;
number_of_elements = package_object->package.count;
- buffer = output_buffer->pointer;
- user_prt = ACPI_CAST_PTR (struct acpi_pci_routing_table, buffer);
+ buffer = output_buffer->pointer;
+ user_prt = ACPI_CAST_PTR(struct acpi_pci_routing_table, buffer);
for (index = 0; index < number_of_elements; index++) {
/*
* be zero because we cleared the return buffer earlier
*/
buffer += user_prt->length;
- user_prt = ACPI_CAST_PTR (struct acpi_pci_routing_table, buffer);
+ user_prt = ACPI_CAST_PTR(struct acpi_pci_routing_table, buffer);
/*
* Fill in the Length field with the information we have at this point.
* The minus four is to subtract the size of the u8 Source[4] member
* because it is added below.
*/
- user_prt->length = (sizeof (struct acpi_pci_routing_table) - 4);
+ user_prt->length = (sizeof(struct acpi_pci_routing_table) - 4);
- /*
- * Each element of the top-level package must also be a package
- */
- if (ACPI_GET_OBJECT_TYPE (*top_object_list) != ACPI_TYPE_PACKAGE) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "(PRT[%X]) Need sub-package, found %s\n",
- index, acpi_ut_get_object_type_name (*top_object_list)));
- return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+ /* Each element of the top-level package must also be a package */
+
+ if (ACPI_GET_OBJECT_TYPE(*top_object_list) != ACPI_TYPE_PACKAGE) {
+ ACPI_ERROR((AE_INFO,
+ "(PRT[%X]) Need sub-package, found %s",
+ index,
+ acpi_ut_get_object_type_name
+ (*top_object_list)));
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
/* Each sub-package must be of length 4 */
if ((*top_object_list)->package.count != 4) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "(PRT[%X]) Need package of length 4, found length %d\n",
- index, (*top_object_list)->package.count));
- return_ACPI_STATUS (AE_AML_PACKAGE_LIMIT);
+ ACPI_ERROR((AE_INFO,
+ "(PRT[%X]) Need package of length 4, found length %d",
+ index, (*top_object_list)->package.count));
+ return_ACPI_STATUS(AE_AML_PACKAGE_LIMIT);
}
/*
*/
sub_object_list = (*top_object_list)->package.elements;
- /*
- * 1) First subobject: Dereference the PRT.Address
- */
+ /* 1) First subobject: Dereference the PRT.Address */
+
obj_desc = sub_object_list[0];
- if (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_INTEGER) {
+ if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
user_prt->address = obj_desc->integer.value;
- }
- else {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "(PRT[%X].Address) Need Integer, found %s\n",
- index, acpi_ut_get_object_type_name (obj_desc)));
- return_ACPI_STATUS (AE_BAD_DATA);
+ } else {
+ ACPI_ERROR((AE_INFO,
+ "(PRT[%X].Address) Need Integer, found %s",
+ index,
+ acpi_ut_get_object_type_name(obj_desc)));
+ return_ACPI_STATUS(AE_BAD_DATA);
}
- /*
- * 2) Second subobject: Dereference the PRT.Pin
- */
+ /* 2) Second subobject: Dereference the PRT.Pin */
+
obj_desc = sub_object_list[1];
- if (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_INTEGER) {
+ if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
user_prt->pin = (u32) obj_desc->integer.value;
- }
- else {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "(PRT[%X].Pin) Need Integer, found %s\n",
- index, acpi_ut_get_object_type_name (obj_desc)));
- return_ACPI_STATUS (AE_BAD_DATA);
+ } else {
+ ACPI_ERROR((AE_INFO,
+ "(PRT[%X].Pin) Need Integer, found %s",
+ index,
+ acpi_ut_get_object_type_name(obj_desc)));
+ return_ACPI_STATUS(AE_BAD_DATA);
}
/*
* 3) Third subobject: Dereference the PRT.source_name
+ * The name may be unresolved (slack mode), so allow a null object
*/
obj_desc = sub_object_list[2];
- switch (ACPI_GET_OBJECT_TYPE (obj_desc)) {
- case ACPI_TYPE_LOCAL_REFERENCE:
-
- if (obj_desc->reference.opcode != AML_INT_NAMEPATH_OP) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "(PRT[%X].Source) Need name, found reference op %X\n",
- index, obj_desc->reference.opcode));
- return_ACPI_STATUS (AE_BAD_DATA);
- }
-
- node = obj_desc->reference.node;
-
- /* Use *remaining* length of the buffer as max for pathname */
-
- path_buffer.length = output_buffer->length -
- (u32) ((u8 *) user_prt->source -
+ if (obj_desc) {
+ switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
+ case ACPI_TYPE_LOCAL_REFERENCE:
+
+ if (obj_desc->reference.opcode !=
+ AML_INT_NAMEPATH_OP) {
+ ACPI_ERROR((AE_INFO,
+ "(PRT[%X].Source) Need name, found reference op %X",
+ index,
+ obj_desc->reference.
+ opcode));
+ return_ACPI_STATUS(AE_BAD_DATA);
+ }
+
+ node = obj_desc->reference.node;
+
+ /* Use *remaining* length of the buffer as max for pathname */
+
+ path_buffer.length = output_buffer->length -
+ (u32) ((u8 *) user_prt->source -
(u8 *) output_buffer->pointer);
- path_buffer.pointer = user_prt->source;
-
- status = acpi_ns_handle_to_pathname ((acpi_handle) node, &path_buffer);
-
- user_prt->length += (u32) ACPI_STRLEN (user_prt->source) + 1; /* include null terminator */
- break;
-
-
- case ACPI_TYPE_STRING:
-
- ACPI_STRCPY (user_prt->source, obj_desc->string.pointer);
-
- /* Add to the Length field the length of the string (add 1 for terminator) */
-
- user_prt->length += obj_desc->string.length + 1;
- break;
-
-
- case ACPI_TYPE_INTEGER:
- /*
- * If this is a number, then the Source Name is NULL, since the
- * entire buffer was zeroed out, we can leave this alone.
- *
- * Add to the Length field the length of the u32 NULL
- */
- user_prt->length += sizeof (u32);
- break;
-
-
- default:
-
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "(PRT[%X].Source) Need Ref/String/Integer, found %s\n",
- index, acpi_ut_get_object_type_name (obj_desc)));
- return_ACPI_STATUS (AE_BAD_DATA);
+ path_buffer.pointer = user_prt->source;
+
+ status =
+ acpi_ns_handle_to_pathname((acpi_handle)
+ node,
+ &path_buffer);
+
+ /* +1 to include null terminator */
+
+ user_prt->length +=
+ (u32) ACPI_STRLEN(user_prt->source) + 1;
+ break;
+
+ case ACPI_TYPE_STRING:
+
+ ACPI_STRCPY(user_prt->source,
+ obj_desc->string.pointer);
+
+ /*
+ * Add to the Length field the length of the string
+ * (add 1 for terminator)
+ */
+ user_prt->length += obj_desc->string.length + 1;
+ break;
+
+ case ACPI_TYPE_INTEGER:
+ /*
+ * If this is a number, then the Source Name is NULL, since the
+ * entire buffer was zeroed out, we can leave this alone.
+ *
+ * Add to the Length field the length of the u32 NULL
+ */
+ user_prt->length += sizeof(u32);
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO,
+ "(PRT[%X].Source) Need Ref/String/Integer, found %s",
+ index,
+ acpi_ut_get_object_type_name
+ (obj_desc)));
+ return_ACPI_STATUS(AE_BAD_DATA);
+ }
}
/* Now align the current length */
- user_prt->length = (u32) ACPI_ROUND_UP_to_64_bITS (user_prt->length);
+ user_prt->length =
+ (u32) ACPI_ROUND_UP_to_64_bITS(user_prt->length);
+
+ /* 4) Fourth subobject: Dereference the PRT.source_index */
- /*
- * 4) Fourth subobject: Dereference the PRT.source_index
- */
obj_desc = sub_object_list[3];
- if (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_INTEGER) {
+ if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
user_prt->source_index = (u32) obj_desc->integer.value;
- }
- else {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "(PRT[%X].source_index) Need Integer, found %s\n",
- index, acpi_ut_get_object_type_name (obj_desc)));
- return_ACPI_STATUS (AE_BAD_DATA);
+ } else {
+ ACPI_ERROR((AE_INFO,
+ "(PRT[%X].source_index) Need Integer, found %s",
+ index,
+ acpi_ut_get_object_type_name(obj_desc)));
+ return_ACPI_STATUS(AE_BAD_DATA);
}
/* Point to the next union acpi_operand_object in the top level package */
top_object_list++;
}
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "output_buffer %p Length %X\n",
- output_buffer->pointer, (u32) output_buffer->length));
- return_ACPI_STATUS (AE_OK);
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "output_buffer %p Length %X\n",
+ output_buffer->pointer, (u32) output_buffer->length));
+ return_ACPI_STATUS(AE_OK);
}
-
/*******************************************************************************
*
- * FUNCTION: acpi_rs_create_byte_stream
+ * FUNCTION: acpi_rs_create_aml_resources
*
* PARAMETERS: linked_list_buffer - Pointer to the resource linked list
* output_buffer - Pointer to the user's buffer
******************************************************************************/
acpi_status
-acpi_rs_create_byte_stream (
- struct acpi_resource *linked_list_buffer,
- struct acpi_buffer *output_buffer)
+acpi_rs_create_aml_resources(struct acpi_resource *linked_list_buffer,
+ struct acpi_buffer *output_buffer)
{
- acpi_status status;
- acpi_size byte_stream_size_needed = 0;
+ acpi_status status;
+ acpi_size aml_size_needed = 0;
+ ACPI_FUNCTION_TRACE("rs_create_aml_resources");
- ACPI_FUNCTION_TRACE ("rs_create_byte_stream");
-
-
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "linked_list_buffer = %p\n",
- linked_list_buffer));
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "linked_list_buffer = %p\n",
+ linked_list_buffer));
/*
* Params already validated, so we don't re-validate here
* Pass the linked_list_buffer into a module that calculates
* the buffer size needed for the byte stream.
*/
- status = acpi_rs_get_byte_stream_length (linked_list_buffer,
- &byte_stream_size_needed);
+ status = acpi_rs_get_aml_length(linked_list_buffer, &aml_size_needed);
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "byte_stream_size_needed=%X, %s\n",
- (u32) byte_stream_size_needed, acpi_format_exception (status)));
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "aml_size_needed=%X, %s\n",
+ (u32) aml_size_needed,
+ acpi_format_exception(status)));
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
/* Validate/Allocate/Clear caller buffer */
- status = acpi_ut_initialize_buffer (output_buffer, byte_stream_size_needed);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ut_initialize_buffer(output_buffer, aml_size_needed);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
/* Do the conversion */
- status = acpi_rs_list_to_byte_stream (linked_list_buffer, byte_stream_size_needed,
- output_buffer->pointer);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status =
+ acpi_rs_convert_resources_to_aml(linked_list_buffer,
+ aml_size_needed,
+ output_buffer->pointer);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "output_buffer %p Length %X\n",
- output_buffer->pointer, (u32) output_buffer->length));
- return_ACPI_STATUS (AE_OK);
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "output_buffer %p Length %X\n",
+ output_buffer->pointer, (u32) output_buffer->length));
+ return_ACPI_STATUS(AE_OK);
}
-
git://git.onelab.eu / linux-2.6.git / blobdiff