mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-15 06:55:13 +08:00
1da177e4c3
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
1226 lines
32 KiB
C
1226 lines
32 KiB
C
/*******************************************************************************
|
|
*
|
|
* Module Name: rsaddr - Address resource descriptors (16/32/64)
|
|
*
|
|
******************************************************************************/
|
|
|
|
/*
|
|
* Copyright (C) 2000 - 2005, R. Byron Moore
|
|
* 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 <acpi/acresrc.h>
|
|
|
|
#define _COMPONENT ACPI_RESOURCES
|
|
ACPI_MODULE_NAME ("rsaddr")
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_rs_address16_resource
|
|
*
|
|
* PARAMETERS: byte_stream_buffer - Pointer to the resource input byte
|
|
* stream
|
|
* bytes_consumed - Pointer to where the number of bytes
|
|
* consumed the byte_stream_buffer is
|
|
* returned
|
|
* output_buffer - Pointer to the return data buffer
|
|
* structure_size - Pointer to where the number of bytes
|
|
* in the return data struct is returned
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Take the resource byte stream and fill out the appropriate
|
|
* structure pointed to by the output_buffer. Return the
|
|
* number of bytes consumed from the byte stream.
|
|
*
|
|
******************************************************************************/
|
|
|
|
acpi_status
|
|
acpi_rs_address16_resource (
|
|
u8 *byte_stream_buffer,
|
|
acpi_size *bytes_consumed,
|
|
u8 **output_buffer,
|
|
acpi_size *structure_size)
|
|
{
|
|
u8 *buffer = byte_stream_buffer;
|
|
struct acpi_resource *output_struct = (void *) *output_buffer;
|
|
u8 *temp_ptr;
|
|
acpi_size struct_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_address16);
|
|
u32 index;
|
|
u16 temp16;
|
|
u8 temp8;
|
|
|
|
|
|
ACPI_FUNCTION_TRACE ("rs_address16_resource");
|
|
|
|
|
|
/*
|
|
* Point past the Descriptor to get the number of bytes consumed
|
|
*/
|
|
buffer += 1;
|
|
ACPI_MOVE_16_TO_16 (&temp16, buffer);
|
|
|
|
/* Validate minimum descriptor length */
|
|
|
|
if (temp16 < 13) {
|
|
return_ACPI_STATUS (AE_AML_BAD_RESOURCE_LENGTH);
|
|
}
|
|
|
|
*bytes_consumed = temp16 + 3;
|
|
output_struct->id = ACPI_RSTYPE_ADDRESS16;
|
|
|
|
/*
|
|
* Get the Resource Type (Byte3)
|
|
*/
|
|
buffer += 2;
|
|
temp8 = *buffer;
|
|
|
|
/* Values 0-2 and 0xC0-0xFF are valid */
|
|
|
|
if ((temp8 > 2) && (temp8 < 0xC0)) {
|
|
return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE);
|
|
}
|
|
|
|
output_struct->data.address16.resource_type = temp8;
|
|
|
|
/*
|
|
* Get the General Flags (Byte4)
|
|
*/
|
|
buffer += 1;
|
|
temp8 = *buffer;
|
|
|
|
/* Producer / Consumer */
|
|
|
|
output_struct->data.address16.producer_consumer = temp8 & 0x01;
|
|
|
|
/* Decode */
|
|
|
|
output_struct->data.address16.decode = (temp8 >> 1) & 0x01;
|
|
|
|
/* Min Address Fixed */
|
|
|
|
output_struct->data.address16.min_address_fixed = (temp8 >> 2) & 0x01;
|
|
|
|
/* Max Address Fixed */
|
|
|
|
output_struct->data.address16.max_address_fixed = (temp8 >> 3) & 0x01;
|
|
|
|
/*
|
|
* Get the Type Specific Flags (Byte5)
|
|
*/
|
|
buffer += 1;
|
|
temp8 = *buffer;
|
|
|
|
if (ACPI_MEMORY_RANGE == output_struct->data.address16.resource_type) {
|
|
output_struct->data.address16.attribute.memory.read_write_attribute =
|
|
(u16) (temp8 & 0x01);
|
|
output_struct->data.address16.attribute.memory.cache_attribute =
|
|
(u16) ((temp8 >> 1) & 0x03);
|
|
}
|
|
else {
|
|
if (ACPI_IO_RANGE == output_struct->data.address16.resource_type) {
|
|
output_struct->data.address16.attribute.io.range_attribute =
|
|
(u16) (temp8 & 0x03);
|
|
output_struct->data.address16.attribute.io.translation_attribute =
|
|
(u16) ((temp8 >> 4) & 0x03);
|
|
}
|
|
else {
|
|
/* BUS_NUMBER_RANGE == Address16.Data->resource_type */
|
|
/* Nothing needs to be filled in */
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Get Granularity (Bytes 6-7)
|
|
*/
|
|
buffer += 1;
|
|
ACPI_MOVE_16_TO_32 (&output_struct->data.address16.granularity, buffer);
|
|
|
|
/*
|
|
* Get min_address_range (Bytes 8-9)
|
|
*/
|
|
buffer += 2;
|
|
ACPI_MOVE_16_TO_32 (&output_struct->data.address16.min_address_range, buffer);
|
|
|
|
/*
|
|
* Get max_address_range (Bytes 10-11)
|
|
*/
|
|
buffer += 2;
|
|
ACPI_MOVE_16_TO_32 (&output_struct->data.address16.max_address_range, buffer);
|
|
|
|
/*
|
|
* Get address_translation_offset (Bytes 12-13)
|
|
*/
|
|
buffer += 2;
|
|
ACPI_MOVE_16_TO_32 (&output_struct->data.address16.address_translation_offset, buffer);
|
|
|
|
/*
|
|
* Get address_length (Bytes 14-15)
|
|
*/
|
|
buffer += 2;
|
|
ACPI_MOVE_16_TO_32 (&output_struct->data.address16.address_length, buffer);
|
|
|
|
/*
|
|
* Resource Source Index (if present)
|
|
*/
|
|
buffer += 2;
|
|
|
|
/*
|
|
* This will leave us pointing to the Resource Source Index
|
|
* If it is present, then save it off and calculate the
|
|
* pointer to where the null terminated string goes:
|
|
* Each Interrupt takes 32-bits + the 5 bytes of the
|
|
* stream that are default.
|
|
*
|
|
* Note: Some resource descriptors will have an additional null, so
|
|
* we add 1 to the length.
|
|
*/
|
|
if (*bytes_consumed > (16 + 1)) {
|
|
/* Dereference the Index */
|
|
|
|
temp8 = *buffer;
|
|
output_struct->data.address16.resource_source.index = (u32) temp8;
|
|
|
|
/* Point to the String */
|
|
|
|
buffer += 1;
|
|
|
|
/* Point the String pointer to the end of this structure */
|
|
|
|
output_struct->data.address16.resource_source.string_ptr =
|
|
(char *)((u8 * )output_struct + struct_size);
|
|
|
|
temp_ptr = (u8 *) output_struct->data.address16.resource_source.string_ptr;
|
|
|
|
/* Copy the string into the buffer */
|
|
|
|
index = 0;
|
|
|
|
while (0x00 != *buffer) {
|
|
*temp_ptr = *buffer;
|
|
|
|
temp_ptr += 1;
|
|
buffer += 1;
|
|
index += 1;
|
|
}
|
|
|
|
/*
|
|
* Add the terminating null
|
|
*/
|
|
*temp_ptr = 0x00;
|
|
|
|
output_struct->data.address16.resource_source.string_length = index + 1;
|
|
|
|
/*
|
|
* In order for the struct_size to fall on a 32-bit boundary,
|
|
* calculate the length of the string and expand the
|
|
* struct_size to the next 32-bit boundary.
|
|
*/
|
|
temp8 = (u8) (index + 1);
|
|
struct_size += ACPI_ROUND_UP_to_32_bITS (temp8);
|
|
}
|
|
else {
|
|
output_struct->data.address16.resource_source.index = 0x00;
|
|
output_struct->data.address16.resource_source.string_length = 0;
|
|
output_struct->data.address16.resource_source.string_ptr = NULL;
|
|
}
|
|
|
|
/*
|
|
* Set the Length parameter
|
|
*/
|
|
output_struct->length = (u32) struct_size;
|
|
|
|
/*
|
|
* Return the final size of the structure
|
|
*/
|
|
*structure_size = struct_size;
|
|
return_ACPI_STATUS (AE_OK);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_rs_address16_stream
|
|
*
|
|
* PARAMETERS: linked_list - Pointer to the resource linked list
|
|
* output_buffer - Pointer to the user's return buffer
|
|
* bytes_consumed - Pointer to where the number of bytes
|
|
* used in the output_buffer is returned
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Take the linked list resource structure and fills in the
|
|
* the appropriate bytes in a byte stream
|
|
*
|
|
******************************************************************************/
|
|
|
|
acpi_status
|
|
acpi_rs_address16_stream (
|
|
struct acpi_resource *linked_list,
|
|
u8 **output_buffer,
|
|
acpi_size *bytes_consumed)
|
|
{
|
|
u8 *buffer = *output_buffer;
|
|
u8 *length_field;
|
|
u8 temp8;
|
|
char *temp_pointer = NULL;
|
|
acpi_size actual_bytes;
|
|
|
|
|
|
ACPI_FUNCTION_TRACE ("rs_address16_stream");
|
|
|
|
|
|
/*
|
|
* The descriptor field is static
|
|
*/
|
|
*buffer = 0x88;
|
|
buffer += 1;
|
|
|
|
/*
|
|
* Save a pointer to the Length field - to be filled in later
|
|
*/
|
|
length_field = buffer;
|
|
buffer += 2;
|
|
|
|
/*
|
|
* Set the Resource Type (Memory, Io, bus_number)
|
|
*/
|
|
temp8 = (u8) (linked_list->data.address16.resource_type & 0x03);
|
|
*buffer = temp8;
|
|
buffer += 1;
|
|
|
|
/*
|
|
* Set the general flags
|
|
*/
|
|
temp8 = (u8) (linked_list->data.address16.producer_consumer & 0x01);
|
|
|
|
temp8 |= (linked_list->data.address16.decode & 0x01) << 1;
|
|
temp8 |= (linked_list->data.address16.min_address_fixed & 0x01) << 2;
|
|
temp8 |= (linked_list->data.address16.max_address_fixed & 0x01) << 3;
|
|
|
|
*buffer = temp8;
|
|
buffer += 1;
|
|
|
|
/*
|
|
* Set the type specific flags
|
|
*/
|
|
temp8 = 0;
|
|
|
|
if (ACPI_MEMORY_RANGE == linked_list->data.address16.resource_type) {
|
|
temp8 = (u8)
|
|
(linked_list->data.address16.attribute.memory.read_write_attribute &
|
|
0x01);
|
|
|
|
temp8 |=
|
|
(linked_list->data.address16.attribute.memory.cache_attribute &
|
|
0x03) << 1;
|
|
}
|
|
else if (ACPI_IO_RANGE == linked_list->data.address16.resource_type) {
|
|
temp8 = (u8)
|
|
(linked_list->data.address16.attribute.io.range_attribute &
|
|
0x03);
|
|
temp8 |=
|
|
(linked_list->data.address16.attribute.io.translation_attribute &
|
|
0x03) << 4;
|
|
}
|
|
|
|
*buffer = temp8;
|
|
buffer += 1;
|
|
|
|
/*
|
|
* Set the address space granularity
|
|
*/
|
|
ACPI_MOVE_32_TO_16 (buffer, &linked_list->data.address16.granularity);
|
|
buffer += 2;
|
|
|
|
/*
|
|
* Set the address range minimum
|
|
*/
|
|
ACPI_MOVE_32_TO_16 (buffer, &linked_list->data.address16.min_address_range);
|
|
buffer += 2;
|
|
|
|
/*
|
|
* Set the address range maximum
|
|
*/
|
|
ACPI_MOVE_32_TO_16 (buffer, &linked_list->data.address16.max_address_range);
|
|
buffer += 2;
|
|
|
|
/*
|
|
* Set the address translation offset
|
|
*/
|
|
ACPI_MOVE_32_TO_16 (buffer, &linked_list->data.address16.address_translation_offset);
|
|
buffer += 2;
|
|
|
|
/*
|
|
* Set the address length
|
|
*/
|
|
ACPI_MOVE_32_TO_16 (buffer, &linked_list->data.address16.address_length);
|
|
buffer += 2;
|
|
|
|
/*
|
|
* Resource Source Index and Resource Source are optional
|
|
*/
|
|
if (0 != linked_list->data.address16.resource_source.string_length) {
|
|
temp8 = (u8) linked_list->data.address16.resource_source.index;
|
|
|
|
*buffer = temp8;
|
|
buffer += 1;
|
|
|
|
temp_pointer = (char *) buffer;
|
|
|
|
/*
|
|
* Copy the string
|
|
*/
|
|
ACPI_STRCPY (temp_pointer,
|
|
linked_list->data.address16.resource_source.string_ptr);
|
|
|
|
/*
|
|
* Buffer needs to be set to the length of the sting + one for the
|
|
* terminating null
|
|
*/
|
|
buffer += (acpi_size)(ACPI_STRLEN (linked_list->data.address16.resource_source.string_ptr) + 1);
|
|
}
|
|
|
|
/*
|
|
* Return the number of bytes consumed in this operation
|
|
*/
|
|
actual_bytes = ACPI_PTR_DIFF (buffer, *output_buffer);
|
|
*bytes_consumed = actual_bytes;
|
|
|
|
/*
|
|
* Set the length field to the number of bytes consumed
|
|
* minus the header size (3 bytes)
|
|
*/
|
|
actual_bytes -= 3;
|
|
ACPI_MOVE_SIZE_TO_16 (length_field, &actual_bytes);
|
|
return_ACPI_STATUS (AE_OK);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_rs_address32_resource
|
|
*
|
|
* PARAMETERS: byte_stream_buffer - Pointer to the resource input byte
|
|
* stream
|
|
* bytes_consumed - Pointer to where the number of bytes
|
|
* consumed the byte_stream_buffer is
|
|
* returned
|
|
* output_buffer - Pointer to the return data buffer
|
|
* structure_size - Pointer to where the number of bytes
|
|
* in the return data struct is returned
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Take the resource byte stream and fill out the appropriate
|
|
* structure pointed to by the output_buffer. Return the
|
|
* number of bytes consumed from the byte stream.
|
|
*
|
|
******************************************************************************/
|
|
|
|
acpi_status
|
|
acpi_rs_address32_resource (
|
|
u8 *byte_stream_buffer,
|
|
acpi_size *bytes_consumed,
|
|
u8 **output_buffer,
|
|
acpi_size *structure_size)
|
|
{
|
|
u8 *buffer;
|
|
struct acpi_resource *output_struct= (void *) *output_buffer;
|
|
u16 temp16;
|
|
u8 temp8;
|
|
u8 *temp_ptr;
|
|
acpi_size struct_size;
|
|
u32 index;
|
|
|
|
|
|
ACPI_FUNCTION_TRACE ("rs_address32_resource");
|
|
|
|
|
|
buffer = byte_stream_buffer;
|
|
struct_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_address32);
|
|
|
|
/*
|
|
* Point past the Descriptor to get the number of bytes consumed
|
|
*/
|
|
buffer += 1;
|
|
ACPI_MOVE_16_TO_16 (&temp16, buffer);
|
|
|
|
/* Validate minimum descriptor length */
|
|
|
|
if (temp16 < 23) {
|
|
return_ACPI_STATUS (AE_AML_BAD_RESOURCE_LENGTH);
|
|
}
|
|
|
|
*bytes_consumed = temp16 + 3;
|
|
output_struct->id = ACPI_RSTYPE_ADDRESS32;
|
|
|
|
/*
|
|
* Get the Resource Type (Byte3)
|
|
*/
|
|
buffer += 2;
|
|
temp8 = *buffer;
|
|
|
|
/* Values 0-2 and 0xC0-0xFF are valid */
|
|
|
|
if ((temp8 > 2) && (temp8 < 0xC0)) {
|
|
return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE);
|
|
}
|
|
|
|
output_struct->data.address32.resource_type = temp8;
|
|
|
|
/*
|
|
* Get the General Flags (Byte4)
|
|
*/
|
|
buffer += 1;
|
|
temp8 = *buffer;
|
|
|
|
/*
|
|
* Producer / Consumer
|
|
*/
|
|
output_struct->data.address32.producer_consumer = temp8 & 0x01;
|
|
|
|
/*
|
|
* Decode
|
|
*/
|
|
output_struct->data.address32.decode = (temp8 >> 1) & 0x01;
|
|
|
|
/*
|
|
* Min Address Fixed
|
|
*/
|
|
output_struct->data.address32.min_address_fixed = (temp8 >> 2) & 0x01;
|
|
|
|
/*
|
|
* Max Address Fixed
|
|
*/
|
|
output_struct->data.address32.max_address_fixed = (temp8 >> 3) & 0x01;
|
|
|
|
/*
|
|
* Get the Type Specific Flags (Byte5)
|
|
*/
|
|
buffer += 1;
|
|
temp8 = *buffer;
|
|
|
|
if (ACPI_MEMORY_RANGE == output_struct->data.address32.resource_type) {
|
|
output_struct->data.address32.attribute.memory.read_write_attribute =
|
|
(u16) (temp8 & 0x01);
|
|
|
|
output_struct->data.address32.attribute.memory.cache_attribute =
|
|
(u16) ((temp8 >> 1) & 0x03);
|
|
}
|
|
else {
|
|
if (ACPI_IO_RANGE == output_struct->data.address32.resource_type) {
|
|
output_struct->data.address32.attribute.io.range_attribute =
|
|
(u16) (temp8 & 0x03);
|
|
output_struct->data.address32.attribute.io.translation_attribute =
|
|
(u16) ((temp8 >> 4) & 0x03);
|
|
}
|
|
else {
|
|
/* BUS_NUMBER_RANGE == output_struct->Data.Address32.resource_type */
|
|
/* Nothing needs to be filled in */
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Get Granularity (Bytes 6-9)
|
|
*/
|
|
buffer += 1;
|
|
ACPI_MOVE_32_TO_32 (&output_struct->data.address32.granularity, buffer);
|
|
|
|
/*
|
|
* Get min_address_range (Bytes 10-13)
|
|
*/
|
|
buffer += 4;
|
|
ACPI_MOVE_32_TO_32 (&output_struct->data.address32.min_address_range, buffer);
|
|
|
|
/*
|
|
* Get max_address_range (Bytes 14-17)
|
|
*/
|
|
buffer += 4;
|
|
ACPI_MOVE_32_TO_32 (&output_struct->data.address32.max_address_range, buffer);
|
|
|
|
/*
|
|
* Get address_translation_offset (Bytes 18-21)
|
|
*/
|
|
buffer += 4;
|
|
ACPI_MOVE_32_TO_32 (&output_struct->data.address32.address_translation_offset, buffer);
|
|
|
|
/*
|
|
* Get address_length (Bytes 22-25)
|
|
*/
|
|
buffer += 4;
|
|
ACPI_MOVE_32_TO_32 (&output_struct->data.address32.address_length, buffer);
|
|
|
|
/*
|
|
* Resource Source Index (if present)
|
|
*/
|
|
buffer += 4;
|
|
|
|
/*
|
|
* This will leave us pointing to the Resource Source Index
|
|
* If it is present, then save it off and calculate the
|
|
* pointer to where the null terminated string goes:
|
|
*
|
|
* Note: Some resource descriptors will have an additional null, so
|
|
* we add 1 to the length.
|
|
*/
|
|
if (*bytes_consumed > (26 + 1)) {
|
|
/* Dereference the Index */
|
|
|
|
temp8 = *buffer;
|
|
output_struct->data.address32.resource_source.index =
|
|
(u32) temp8;
|
|
|
|
/* Point to the String */
|
|
|
|
buffer += 1;
|
|
|
|
/* Point the String pointer to the end of this structure */
|
|
|
|
output_struct->data.address32.resource_source.string_ptr =
|
|
(char *)((u8 *)output_struct + struct_size);
|
|
|
|
temp_ptr = (u8 *) output_struct->data.address32.resource_source.string_ptr;
|
|
|
|
/* Copy the string into the buffer */
|
|
|
|
index = 0;
|
|
while (0x00 != *buffer) {
|
|
*temp_ptr = *buffer;
|
|
|
|
temp_ptr += 1;
|
|
buffer += 1;
|
|
index += 1;
|
|
}
|
|
|
|
/*
|
|
* Add the terminating null
|
|
*/
|
|
*temp_ptr = 0x00;
|
|
output_struct->data.address32.resource_source.string_length = index + 1;
|
|
|
|
/*
|
|
* In order for the struct_size to fall on a 32-bit boundary,
|
|
* calculate the length of the string and expand the
|
|
* struct_size to the next 32-bit boundary.
|
|
*/
|
|
temp8 = (u8) (index + 1);
|
|
struct_size += ACPI_ROUND_UP_to_32_bITS (temp8);
|
|
}
|
|
else {
|
|
output_struct->data.address32.resource_source.index = 0x00;
|
|
output_struct->data.address32.resource_source.string_length = 0;
|
|
output_struct->data.address32.resource_source.string_ptr = NULL;
|
|
}
|
|
|
|
/*
|
|
* Set the Length parameter
|
|
*/
|
|
output_struct->length = (u32) struct_size;
|
|
|
|
/*
|
|
* Return the final size of the structure
|
|
*/
|
|
*structure_size = struct_size;
|
|
return_ACPI_STATUS (AE_OK);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_rs_address32_stream
|
|
*
|
|
* PARAMETERS: linked_list - Pointer to the resource linked list
|
|
* output_buffer - Pointer to the user's return buffer
|
|
* bytes_consumed - Pointer to where the number of bytes
|
|
* used in the output_buffer is returned
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Take the linked list resource structure and fills in the
|
|
* the appropriate bytes in a byte stream
|
|
*
|
|
******************************************************************************/
|
|
|
|
acpi_status
|
|
acpi_rs_address32_stream (
|
|
struct acpi_resource *linked_list,
|
|
u8 **output_buffer,
|
|
acpi_size *bytes_consumed)
|
|
{
|
|
u8 *buffer;
|
|
u16 *length_field;
|
|
u8 temp8;
|
|
char *temp_pointer;
|
|
|
|
|
|
ACPI_FUNCTION_TRACE ("rs_address32_stream");
|
|
|
|
|
|
buffer = *output_buffer;
|
|
|
|
/*
|
|
* The descriptor field is static
|
|
*/
|
|
*buffer = 0x87;
|
|
buffer += 1;
|
|
|
|
/*
|
|
* Set a pointer to the Length field - to be filled in later
|
|
*/
|
|
length_field = ACPI_CAST_PTR (u16, buffer);
|
|
buffer += 2;
|
|
|
|
/*
|
|
* Set the Resource Type (Memory, Io, bus_number)
|
|
*/
|
|
temp8 = (u8) (linked_list->data.address32.resource_type & 0x03);
|
|
|
|
*buffer = temp8;
|
|
buffer += 1;
|
|
|
|
/*
|
|
* Set the general flags
|
|
*/
|
|
temp8 = (u8) (linked_list->data.address32.producer_consumer & 0x01);
|
|
temp8 |= (linked_list->data.address32.decode & 0x01) << 1;
|
|
temp8 |= (linked_list->data.address32.min_address_fixed & 0x01) << 2;
|
|
temp8 |= (linked_list->data.address32.max_address_fixed & 0x01) << 3;
|
|
|
|
*buffer = temp8;
|
|
buffer += 1;
|
|
|
|
/*
|
|
* Set the type specific flags
|
|
*/
|
|
temp8 = 0;
|
|
|
|
if (ACPI_MEMORY_RANGE == linked_list->data.address32.resource_type) {
|
|
temp8 = (u8)
|
|
(linked_list->data.address32.attribute.memory.read_write_attribute &
|
|
0x01);
|
|
|
|
temp8 |=
|
|
(linked_list->data.address32.attribute.memory.cache_attribute &
|
|
0x03) << 1;
|
|
}
|
|
else if (ACPI_IO_RANGE == linked_list->data.address32.resource_type) {
|
|
temp8 = (u8)
|
|
(linked_list->data.address32.attribute.io.range_attribute &
|
|
0x03);
|
|
temp8 |=
|
|
(linked_list->data.address32.attribute.io.translation_attribute &
|
|
0x03) << 4;
|
|
}
|
|
|
|
*buffer = temp8;
|
|
buffer += 1;
|
|
|
|
/*
|
|
* Set the address space granularity
|
|
*/
|
|
ACPI_MOVE_32_TO_32 (buffer, &linked_list->data.address32.granularity);
|
|
buffer += 4;
|
|
|
|
/*
|
|
* Set the address range minimum
|
|
*/
|
|
ACPI_MOVE_32_TO_32 (buffer, &linked_list->data.address32.min_address_range);
|
|
buffer += 4;
|
|
|
|
/*
|
|
* Set the address range maximum
|
|
*/
|
|
ACPI_MOVE_32_TO_32 (buffer, &linked_list->data.address32.max_address_range);
|
|
buffer += 4;
|
|
|
|
/*
|
|
* Set the address translation offset
|
|
*/
|
|
ACPI_MOVE_32_TO_32 (buffer, &linked_list->data.address32.address_translation_offset);
|
|
buffer += 4;
|
|
|
|
/*
|
|
* Set the address length
|
|
*/
|
|
ACPI_MOVE_32_TO_32 (buffer, &linked_list->data.address32.address_length);
|
|
buffer += 4;
|
|
|
|
/*
|
|
* Resource Source Index and Resource Source are optional
|
|
*/
|
|
if (0 != linked_list->data.address32.resource_source.string_length) {
|
|
temp8 = (u8) linked_list->data.address32.resource_source.index;
|
|
|
|
*buffer = temp8;
|
|
buffer += 1;
|
|
|
|
temp_pointer = (char *) buffer;
|
|
|
|
/*
|
|
* Copy the string
|
|
*/
|
|
ACPI_STRCPY (temp_pointer,
|
|
linked_list->data.address32.resource_source.string_ptr);
|
|
|
|
/*
|
|
* Buffer needs to be set to the length of the sting + one for the
|
|
* terminating null
|
|
*/
|
|
buffer += (acpi_size)(ACPI_STRLEN (linked_list->data.address32.resource_source.string_ptr) + 1);
|
|
}
|
|
|
|
/*
|
|
* Return the number of bytes consumed in this operation
|
|
*/
|
|
*bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer);
|
|
|
|
/*
|
|
* Set the length field to the number of bytes consumed
|
|
* minus the header size (3 bytes)
|
|
*/
|
|
*length_field = (u16) (*bytes_consumed - 3);
|
|
return_ACPI_STATUS (AE_OK);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_rs_address64_resource
|
|
*
|
|
* PARAMETERS: byte_stream_buffer - Pointer to the resource input byte
|
|
* stream
|
|
* bytes_consumed - Pointer to where the number of bytes
|
|
* consumed the byte_stream_buffer is
|
|
* returned
|
|
* output_buffer - Pointer to the return data buffer
|
|
* structure_size - Pointer to where the number of bytes
|
|
* in the return data struct is returned
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Take the resource byte stream and fill out the appropriate
|
|
* structure pointed to by the output_buffer. Return the
|
|
* number of bytes consumed from the byte stream.
|
|
*
|
|
******************************************************************************/
|
|
|
|
acpi_status
|
|
acpi_rs_address64_resource (
|
|
u8 *byte_stream_buffer,
|
|
acpi_size *bytes_consumed,
|
|
u8 **output_buffer,
|
|
acpi_size *structure_size)
|
|
{
|
|
u8 *buffer;
|
|
struct acpi_resource *output_struct = (void *) *output_buffer;
|
|
u16 temp16;
|
|
u8 temp8;
|
|
u8 resource_type;
|
|
u8 *temp_ptr;
|
|
acpi_size struct_size;
|
|
u32 index;
|
|
|
|
|
|
ACPI_FUNCTION_TRACE ("rs_address64_resource");
|
|
|
|
|
|
buffer = byte_stream_buffer;
|
|
struct_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_address64);
|
|
resource_type = *buffer;
|
|
|
|
/*
|
|
* Point past the Descriptor to get the number of bytes consumed
|
|
*/
|
|
buffer += 1;
|
|
ACPI_MOVE_16_TO_16 (&temp16, buffer);
|
|
|
|
/* Validate minimum descriptor length */
|
|
|
|
if (temp16 < 43) {
|
|
return_ACPI_STATUS (AE_AML_BAD_RESOURCE_LENGTH);
|
|
}
|
|
|
|
*bytes_consumed = temp16 + 3;
|
|
output_struct->id = ACPI_RSTYPE_ADDRESS64;
|
|
|
|
/*
|
|
* Get the Resource Type (Byte3)
|
|
*/
|
|
buffer += 2;
|
|
temp8 = *buffer;
|
|
|
|
/* Values 0-2 and 0xC0-0xFF are valid */
|
|
|
|
if ((temp8 > 2) && (temp8 < 0xC0)) {
|
|
return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE);
|
|
}
|
|
|
|
output_struct->data.address64.resource_type = temp8;
|
|
|
|
/*
|
|
* Get the General Flags (Byte4)
|
|
*/
|
|
buffer += 1;
|
|
temp8 = *buffer;
|
|
|
|
/*
|
|
* Producer / Consumer
|
|
*/
|
|
output_struct->data.address64.producer_consumer = temp8 & 0x01;
|
|
|
|
/*
|
|
* Decode
|
|
*/
|
|
output_struct->data.address64.decode = (temp8 >> 1) & 0x01;
|
|
|
|
/*
|
|
* Min Address Fixed
|
|
*/
|
|
output_struct->data.address64.min_address_fixed = (temp8 >> 2) & 0x01;
|
|
|
|
/*
|
|
* Max Address Fixed
|
|
*/
|
|
output_struct->data.address64.max_address_fixed = (temp8 >> 3) & 0x01;
|
|
|
|
/*
|
|
* Get the Type Specific Flags (Byte5)
|
|
*/
|
|
buffer += 1;
|
|
temp8 = *buffer;
|
|
|
|
if (ACPI_MEMORY_RANGE == output_struct->data.address64.resource_type) {
|
|
output_struct->data.address64.attribute.memory.read_write_attribute =
|
|
(u16) (temp8 & 0x01);
|
|
|
|
output_struct->data.address64.attribute.memory.cache_attribute =
|
|
(u16) ((temp8 >> 1) & 0x03);
|
|
}
|
|
else {
|
|
if (ACPI_IO_RANGE == output_struct->data.address64.resource_type) {
|
|
output_struct->data.address64.attribute.io.range_attribute =
|
|
(u16) (temp8 & 0x03);
|
|
output_struct->data.address64.attribute.io.translation_attribute =
|
|
(u16) ((temp8 >> 4) & 0x03);
|
|
}
|
|
else {
|
|
/* BUS_NUMBER_RANGE == output_struct->Data.Address64.resource_type */
|
|
/* Nothing needs to be filled in */
|
|
}
|
|
}
|
|
|
|
if (resource_type == ACPI_RDESC_TYPE_EXTENDED_ADDRESS_SPACE) {
|
|
/* Move past revision_id and Reserved byte */
|
|
|
|
buffer += 2;
|
|
}
|
|
|
|
/*
|
|
* Get Granularity (Bytes 6-13) or (Bytes 8-15)
|
|
*/
|
|
buffer += 1;
|
|
ACPI_MOVE_64_TO_64 (&output_struct->data.address64.granularity, buffer);
|
|
|
|
/*
|
|
* Get min_address_range (Bytes 14-21) or (Bytes 16-23)
|
|
*/
|
|
buffer += 8;
|
|
ACPI_MOVE_64_TO_64 (&output_struct->data.address64.min_address_range, buffer);
|
|
|
|
/*
|
|
* Get max_address_range (Bytes 22-29) or (Bytes 24-31)
|
|
*/
|
|
buffer += 8;
|
|
ACPI_MOVE_64_TO_64 (&output_struct->data.address64.max_address_range, buffer);
|
|
|
|
/*
|
|
* Get address_translation_offset (Bytes 30-37) or (Bytes 32-39)
|
|
*/
|
|
buffer += 8;
|
|
ACPI_MOVE_64_TO_64 (&output_struct->data.address64.address_translation_offset, buffer);
|
|
|
|
/*
|
|
* Get address_length (Bytes 38-45) or (Bytes 40-47)
|
|
*/
|
|
buffer += 8;
|
|
ACPI_MOVE_64_TO_64 (&output_struct->data.address64.address_length, buffer);
|
|
|
|
output_struct->data.address64.resource_source.index = 0x00;
|
|
output_struct->data.address64.resource_source.string_length = 0;
|
|
output_struct->data.address64.resource_source.string_ptr = NULL;
|
|
|
|
if (resource_type == ACPI_RDESC_TYPE_EXTENDED_ADDRESS_SPACE) {
|
|
/* Get type_specific_attribute (Bytes 48-55) */
|
|
|
|
buffer += 8;
|
|
ACPI_MOVE_64_TO_64 (&output_struct->data.address64.type_specific_attributes, buffer);
|
|
}
|
|
else {
|
|
output_struct->data.address64.type_specific_attributes = 0;
|
|
|
|
/*
|
|
* Resource Source Index (if present)
|
|
*/
|
|
buffer += 8;
|
|
|
|
/*
|
|
* This will leave us pointing to the Resource Source Index
|
|
* If it is present, then save it off and calculate the
|
|
* pointer to where the null terminated string goes:
|
|
* Each Interrupt takes 32-bits + the 5 bytes of the
|
|
* stream that are default.
|
|
*
|
|
* Note: Some resource descriptors will have an additional null, so
|
|
* we add 1 to the length.
|
|
*/
|
|
if (*bytes_consumed > (46 + 1)) {
|
|
/* Dereference the Index */
|
|
|
|
temp8 = *buffer;
|
|
output_struct->data.address64.resource_source.index =
|
|
(u32) temp8;
|
|
|
|
/* Point to the String */
|
|
|
|
buffer += 1;
|
|
|
|
/* Point the String pointer to the end of this structure */
|
|
|
|
output_struct->data.address64.resource_source.string_ptr =
|
|
(char *)((u8 *)output_struct + struct_size);
|
|
|
|
temp_ptr = (u8 *) output_struct->data.address64.resource_source.string_ptr;
|
|
|
|
/* Copy the string into the buffer */
|
|
|
|
index = 0;
|
|
while (0x00 != *buffer) {
|
|
*temp_ptr = *buffer;
|
|
|
|
temp_ptr += 1;
|
|
buffer += 1;
|
|
index += 1;
|
|
}
|
|
|
|
/*
|
|
* Add the terminating null
|
|
*/
|
|
*temp_ptr = 0x00;
|
|
output_struct->data.address64.resource_source.string_length = index + 1;
|
|
|
|
/*
|
|
* In order for the struct_size to fall on a 32-bit boundary,
|
|
* calculate the length of the string and expand the
|
|
* struct_size to the next 32-bit boundary.
|
|
*/
|
|
temp8 = (u8) (index + 1);
|
|
struct_size += ACPI_ROUND_UP_to_32_bITS (temp8);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Set the Length parameter
|
|
*/
|
|
output_struct->length = (u32) struct_size;
|
|
|
|
/*
|
|
* Return the final size of the structure
|
|
*/
|
|
*structure_size = struct_size;
|
|
return_ACPI_STATUS (AE_OK);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_rs_address64_stream
|
|
*
|
|
* PARAMETERS: linked_list - Pointer to the resource linked list
|
|
* output_buffer - Pointer to the user's return buffer
|
|
* bytes_consumed - Pointer to where the number of bytes
|
|
* used in the output_buffer is returned
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Take the linked list resource structure and fills in the
|
|
* the appropriate bytes in a byte stream
|
|
*
|
|
******************************************************************************/
|
|
|
|
acpi_status
|
|
acpi_rs_address64_stream (
|
|
struct acpi_resource *linked_list,
|
|
u8 **output_buffer,
|
|
acpi_size *bytes_consumed)
|
|
{
|
|
u8 *buffer;
|
|
u16 *length_field;
|
|
u8 temp8;
|
|
char *temp_pointer;
|
|
|
|
|
|
ACPI_FUNCTION_TRACE ("rs_address64_stream");
|
|
|
|
|
|
buffer = *output_buffer;
|
|
|
|
/*
|
|
* The descriptor field is static
|
|
*/
|
|
*buffer = 0x8A;
|
|
buffer += 1;
|
|
|
|
/*
|
|
* Set a pointer to the Length field - to be filled in later
|
|
*/
|
|
length_field = ACPI_CAST_PTR (u16, buffer);
|
|
buffer += 2;
|
|
|
|
/*
|
|
* Set the Resource Type (Memory, Io, bus_number)
|
|
*/
|
|
temp8 = (u8) (linked_list->data.address64.resource_type & 0x03);
|
|
|
|
*buffer = temp8;
|
|
buffer += 1;
|
|
|
|
/*
|
|
* Set the general flags
|
|
*/
|
|
temp8 = (u8) (linked_list->data.address64.producer_consumer & 0x01);
|
|
temp8 |= (linked_list->data.address64.decode & 0x01) << 1;
|
|
temp8 |= (linked_list->data.address64.min_address_fixed & 0x01) << 2;
|
|
temp8 |= (linked_list->data.address64.max_address_fixed & 0x01) << 3;
|
|
|
|
*buffer = temp8;
|
|
buffer += 1;
|
|
|
|
/*
|
|
* Set the type specific flags
|
|
*/
|
|
temp8 = 0;
|
|
|
|
if (ACPI_MEMORY_RANGE == linked_list->data.address64.resource_type) {
|
|
temp8 = (u8)
|
|
(linked_list->data.address64.attribute.memory.read_write_attribute &
|
|
0x01);
|
|
|
|
temp8 |=
|
|
(linked_list->data.address64.attribute.memory.cache_attribute &
|
|
0x03) << 1;
|
|
}
|
|
else if (ACPI_IO_RANGE == linked_list->data.address64.resource_type) {
|
|
temp8 = (u8)
|
|
(linked_list->data.address64.attribute.io.range_attribute &
|
|
0x03);
|
|
temp8 |=
|
|
(linked_list->data.address64.attribute.io.range_attribute &
|
|
0x03) << 4;
|
|
}
|
|
|
|
*buffer = temp8;
|
|
buffer += 1;
|
|
|
|
/*
|
|
* Set the address space granularity
|
|
*/
|
|
ACPI_MOVE_64_TO_64 (buffer, &linked_list->data.address64.granularity);
|
|
buffer += 8;
|
|
|
|
/*
|
|
* Set the address range minimum
|
|
*/
|
|
ACPI_MOVE_64_TO_64 (buffer, &linked_list->data.address64.min_address_range);
|
|
buffer += 8;
|
|
|
|
/*
|
|
* Set the address range maximum
|
|
*/
|
|
ACPI_MOVE_64_TO_64 (buffer, &linked_list->data.address64.max_address_range);
|
|
buffer += 8;
|
|
|
|
/*
|
|
* Set the address translation offset
|
|
*/
|
|
ACPI_MOVE_64_TO_64 (buffer, &linked_list->data.address64.address_translation_offset);
|
|
buffer += 8;
|
|
|
|
/*
|
|
* Set the address length
|
|
*/
|
|
ACPI_MOVE_64_TO_64 (buffer, &linked_list->data.address64.address_length);
|
|
buffer += 8;
|
|
|
|
/*
|
|
* Resource Source Index and Resource Source are optional
|
|
*/
|
|
if (0 != linked_list->data.address64.resource_source.string_length) {
|
|
temp8 = (u8) linked_list->data.address64.resource_source.index;
|
|
|
|
*buffer = temp8;
|
|
buffer += 1;
|
|
|
|
temp_pointer = (char *) buffer;
|
|
|
|
/*
|
|
* Copy the string
|
|
*/
|
|
ACPI_STRCPY (temp_pointer, linked_list->data.address64.resource_source.string_ptr);
|
|
|
|
/*
|
|
* Buffer needs to be set to the length of the sting + one for the
|
|
* terminating null
|
|
*/
|
|
buffer += (acpi_size)(ACPI_STRLEN (linked_list->data.address64.resource_source.string_ptr) + 1);
|
|
}
|
|
|
|
/*
|
|
* Return the number of bytes consumed in this operation
|
|
*/
|
|
*bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer);
|
|
|
|
/*
|
|
* Set the length field to the number of bytes consumed
|
|
* minus the header size (3 bytes)
|
|
*/
|
|
*length_field = (u16) (*bytes_consumed - 3);
|
|
return_ACPI_STATUS (AE_OK);
|
|
}
|
|
|