diff options
Diffstat (limited to 'drivers/acpi/resources/rscreate.c')
| -rw-r--r-- | drivers/acpi/resources/rscreate.c | 297 |
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); } - |