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path: root/drivers/acpi/resources/rscreate.c
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Diffstat (limited to 'drivers/acpi/resources/rscreate.c')
-rw-r--r--drivers/acpi/resources/rscreate.c297
1 files changed, 150 insertions, 147 deletions
diff --git a/drivers/acpi/resources/rscreate.c b/drivers/acpi/resources/rscreate.c
index 8e0eae0d50bb..0911526b7ad8 100644
--- a/drivers/acpi/resources/rscreate.c
+++ b/drivers/acpi/resources/rscreate.c
@@ -41,15 +41,13 @@
* 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")
/*******************************************************************************
*
@@ -68,24 +66,20 @@
* 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 *byte_stream_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 *byte_stream_start;
+ acpi_size list_size_needed = 0;
+ u32 byte_stream_buffer_length;
+ ACPI_FUNCTION_TRACE("rs_create_resource_list");
- ACPI_FUNCTION_TRACE ("rs_create_resource_list");
-
-
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "byte_stream_buffer = %p\n",
- byte_stream_buffer));
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "byte_stream_buffer = %p\n",
+ byte_stream_buffer));
/* Params already validated, so we don't re-validate here */
@@ -96,36 +90,39 @@ acpi_rs_create_resource_list (
* Pass the byte_stream_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);
-
- 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);
+ status =
+ acpi_rs_get_list_length(byte_stream_start,
+ byte_stream_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);
}
/* 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_byte_stream_to_list(byte_stream_start,
+ byte_stream_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
@@ -148,44 +145,41 @@ acpi_rs_create_resource_list (
******************************************************************************/
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);
+ 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);
}
/*
@@ -193,10 +187,10 @@ acpi_rs_create_pci_routing_table (
* 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++) {
/*
@@ -206,31 +200,34 @@ acpi_rs_create_pci_routing_table (
* 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);
+ 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 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_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);
}
/*
@@ -243,40 +240,43 @@ acpi_rs_create_pci_routing_table (
/* 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_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);
}
/* 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_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);
}
/* 3) Third subobject: Dereference the PRT.source_name */
obj_desc = sub_object_list[2];
- switch (ACPI_GET_OBJECT_TYPE (obj_desc)) {
+ 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);
+ 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;
@@ -284,21 +284,23 @@ acpi_rs_create_pci_routing_table (
/* 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);
+ (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);
+ 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;
+ user_prt->length +=
+ (u32) ACPI_STRLEN(user_prt->source) + 1;
break;
-
case ACPI_TYPE_STRING:
- ACPI_STRCPY (user_prt->source, obj_desc->string.pointer);
+ ACPI_STRCPY(user_prt->source, obj_desc->string.pointer);
/*
* Add to the Length field the length of the string
@@ -307,7 +309,6 @@ acpi_rs_create_pci_routing_table (
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
@@ -315,33 +316,36 @@ acpi_rs_create_pci_routing_table (
*
* Add to the Length field the length of the u32 NULL
*/
- user_prt->length += sizeof (u32);
+ 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);
+ 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);
}
/* 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 */
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_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);
}
/* Point to the next union acpi_operand_object in the top level package */
@@ -349,12 +353,11 @@ acpi_rs_create_pci_routing_table (
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
@@ -374,19 +377,16 @@ acpi_rs_create_pci_routing_table (
******************************************************************************/
acpi_status
-acpi_rs_create_byte_stream (
- struct acpi_resource *linked_list_buffer,
- struct acpi_buffer *output_buffer)
+acpi_rs_create_byte_stream(struct acpi_resource *linked_list_buffer,
+ struct acpi_buffer *output_buffer)
{
- acpi_status status;
- acpi_size byte_stream_size_needed = 0;
-
-
- ACPI_FUNCTION_TRACE ("rs_create_byte_stream");
+ acpi_status status;
+ acpi_size byte_stream_size_needed = 0;
+ 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
@@ -394,32 +394,35 @@ acpi_rs_create_byte_stream (
* 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);
-
- 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);
+ status = acpi_rs_get_byte_stream_length(linked_list_buffer,
+ &byte_stream_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);
}
/* 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, byte_stream_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_list_to_byte_stream(linked_list_buffer,
+ byte_stream_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);
}
-
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