| /******************************************************************************* |
| * |
| * Module Name: rsmem24 - Memory resource descriptors |
| * |
| ******************************************************************************/ |
| |
| /* |
| * 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("rsmemory") |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: acpi_rs_memory24_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_memory24_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; |
| u16 temp16 = 0; |
| u8 temp8 = 0; |
| acpi_size struct_size = |
| ACPI_SIZEOF_RESOURCE(struct acpi_resource_mem24); |
| |
| ACPI_FUNCTION_TRACE("rs_memory24_resource"); |
| |
| /* Point past the Descriptor to get the number of bytes consumed */ |
| |
| buffer += 1; |
| |
| ACPI_MOVE_16_TO_16(&temp16, buffer); |
| buffer += 2; |
| *bytes_consumed = (acpi_size) temp16 + 3; |
| output_struct->id = ACPI_RSTYPE_MEM24; |
| |
| /* Check Byte 3 the Read/Write bit */ |
| |
| temp8 = *buffer; |
| buffer += 1; |
| output_struct->data.memory24.read_write_attribute = temp8 & 0x01; |
| |
| /* Get min_base_address (Bytes 4-5) */ |
| |
| ACPI_MOVE_16_TO_16(&temp16, buffer); |
| buffer += 2; |
| output_struct->data.memory24.min_base_address = temp16; |
| |
| /* Get max_base_address (Bytes 6-7) */ |
| |
| ACPI_MOVE_16_TO_16(&temp16, buffer); |
| buffer += 2; |
| output_struct->data.memory24.max_base_address = temp16; |
| |
| /* Get Alignment (Bytes 8-9) */ |
| |
| ACPI_MOVE_16_TO_16(&temp16, buffer); |
| buffer += 2; |
| output_struct->data.memory24.alignment = temp16; |
| |
| /* Get range_length (Bytes 10-11) */ |
| |
| ACPI_MOVE_16_TO_16(&temp16, buffer); |
| output_struct->data.memory24.range_length = temp16; |
| |
| /* 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_memory24_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_memory24_stream(struct acpi_resource *linked_list, |
| u8 ** output_buffer, acpi_size * bytes_consumed) |
| { |
| u8 *buffer = *output_buffer; |
| u16 temp16 = 0; |
| u8 temp8 = 0; |
| |
| ACPI_FUNCTION_TRACE("rs_memory24_stream"); |
| |
| /* The descriptor field is static */ |
| |
| *buffer = 0x81; |
| buffer += 1; |
| |
| /* The length field is static */ |
| |
| temp16 = 0x09; |
| ACPI_MOVE_16_TO_16(buffer, &temp16); |
| buffer += 2; |
| |
| /* Set the Information Byte */ |
| |
| temp8 = (u8) (linked_list->data.memory24.read_write_attribute & 0x01); |
| *buffer = temp8; |
| buffer += 1; |
| |
| /* Set the Range minimum base address */ |
| |
| ACPI_MOVE_32_TO_16(buffer, |
| &linked_list->data.memory24.min_base_address); |
| buffer += 2; |
| |
| /* Set the Range maximum base address */ |
| |
| ACPI_MOVE_32_TO_16(buffer, |
| &linked_list->data.memory24.max_base_address); |
| buffer += 2; |
| |
| /* Set the base alignment */ |
| |
| ACPI_MOVE_32_TO_16(buffer, &linked_list->data.memory24.alignment); |
| buffer += 2; |
| |
| /* Set the range length */ |
| |
| ACPI_MOVE_32_TO_16(buffer, &linked_list->data.memory24.range_length); |
| buffer += 2; |
| |
| /* Return the number of bytes consumed in this operation */ |
| |
| *bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer); |
| return_ACPI_STATUS(AE_OK); |
| } |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: acpi_rs_memory32_range_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_memory32_range_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; |
| u16 temp16 = 0; |
| u8 temp8 = 0; |
| acpi_size struct_size = |
| ACPI_SIZEOF_RESOURCE(struct acpi_resource_mem32); |
| |
| ACPI_FUNCTION_TRACE("rs_memory32_range_resource"); |
| |
| /* Point past the Descriptor to get the number of bytes consumed */ |
| |
| buffer += 1; |
| |
| ACPI_MOVE_16_TO_16(&temp16, buffer); |
| buffer += 2; |
| *bytes_consumed = (acpi_size) temp16 + 3; |
| |
| output_struct->id = ACPI_RSTYPE_MEM32; |
| |
| /* |
| * Point to the place in the output buffer where the data portion will |
| * begin. |
| * 1. Set the RESOURCE_DATA * Data to point to its own address, then |
| * 2. Set the pointer to the next address. |
| * |
| * NOTE: output_struct->Data is cast to u8, otherwise, this addition adds |
| * 4 * sizeof(RESOURCE_DATA) instead of 4 * sizeof(u8) |
| */ |
| |
| /* Check Byte 3 the Read/Write bit */ |
| |
| temp8 = *buffer; |
| buffer += 1; |
| |
| output_struct->data.memory32.read_write_attribute = temp8 & 0x01; |
| |
| /* Get min_base_address (Bytes 4-7) */ |
| |
| ACPI_MOVE_32_TO_32(&output_struct->data.memory32.min_base_address, |
| buffer); |
| buffer += 4; |
| |
| /* Get max_base_address (Bytes 8-11) */ |
| |
| ACPI_MOVE_32_TO_32(&output_struct->data.memory32.max_base_address, |
| buffer); |
| buffer += 4; |
| |
| /* Get Alignment (Bytes 12-15) */ |
| |
| ACPI_MOVE_32_TO_32(&output_struct->data.memory32.alignment, buffer); |
| buffer += 4; |
| |
| /* Get range_length (Bytes 16-19) */ |
| |
| ACPI_MOVE_32_TO_32(&output_struct->data.memory32.range_length, buffer); |
| |
| /* 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_fixed_memory32_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_fixed_memory32_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; |
| u16 temp16 = 0; |
| u8 temp8 = 0; |
| acpi_size struct_size = |
| ACPI_SIZEOF_RESOURCE(struct acpi_resource_fixed_mem32); |
| |
| ACPI_FUNCTION_TRACE("rs_fixed_memory32_resource"); |
| |
| /* Point past the Descriptor to get the number of bytes consumed */ |
| |
| buffer += 1; |
| ACPI_MOVE_16_TO_16(&temp16, buffer); |
| |
| buffer += 2; |
| *bytes_consumed = (acpi_size) temp16 + 3; |
| |
| output_struct->id = ACPI_RSTYPE_FIXED_MEM32; |
| |
| /* Check Byte 3 the Read/Write bit */ |
| |
| temp8 = *buffer; |
| buffer += 1; |
| output_struct->data.fixed_memory32.read_write_attribute = temp8 & 0x01; |
| |
| /* Get range_base_address (Bytes 4-7) */ |
| |
| ACPI_MOVE_32_TO_32(&output_struct->data.fixed_memory32. |
| range_base_address, buffer); |
| buffer += 4; |
| |
| /* Get range_length (Bytes 8-11) */ |
| |
| ACPI_MOVE_32_TO_32(&output_struct->data.fixed_memory32.range_length, |
| buffer); |
| |
| /* 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_memory32_range_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_memory32_range_stream(struct acpi_resource *linked_list, |
| u8 ** output_buffer, acpi_size * bytes_consumed) |
| { |
| u8 *buffer = *output_buffer; |
| u16 temp16 = 0; |
| u8 temp8 = 0; |
| |
| ACPI_FUNCTION_TRACE("rs_memory32_range_stream"); |
| |
| /* The descriptor field is static */ |
| |
| *buffer = 0x85; |
| buffer += 1; |
| |
| /* The length field is static */ |
| |
| temp16 = 0x11; |
| |
| ACPI_MOVE_16_TO_16(buffer, &temp16); |
| buffer += 2; |
| |
| /* Set the Information Byte */ |
| |
| temp8 = (u8) (linked_list->data.memory32.read_write_attribute & 0x01); |
| *buffer = temp8; |
| buffer += 1; |
| |
| /* Set the Range minimum base address */ |
| |
| ACPI_MOVE_32_TO_32(buffer, |
| &linked_list->data.memory32.min_base_address); |
| buffer += 4; |
| |
| /* Set the Range maximum base address */ |
| |
| ACPI_MOVE_32_TO_32(buffer, |
| &linked_list->data.memory32.max_base_address); |
| buffer += 4; |
| |
| /* Set the base alignment */ |
| |
| ACPI_MOVE_32_TO_32(buffer, &linked_list->data.memory32.alignment); |
| buffer += 4; |
| |
| /* Set the range length */ |
| |
| ACPI_MOVE_32_TO_32(buffer, &linked_list->data.memory32.range_length); |
| buffer += 4; |
| |
| /* Return the number of bytes consumed in this operation */ |
| |
| *bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer); |
| return_ACPI_STATUS(AE_OK); |
| } |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: acpi_rs_fixed_memory32_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_fixed_memory32_stream(struct acpi_resource *linked_list, |
| u8 ** output_buffer, acpi_size * bytes_consumed) |
| { |
| u8 *buffer = *output_buffer; |
| u16 temp16 = 0; |
| u8 temp8 = 0; |
| |
| ACPI_FUNCTION_TRACE("rs_fixed_memory32_stream"); |
| |
| /* The descriptor field is static */ |
| |
| *buffer = 0x86; |
| buffer += 1; |
| |
| /* The length field is static */ |
| |
| temp16 = 0x09; |
| |
| ACPI_MOVE_16_TO_16(buffer, &temp16); |
| buffer += 2; |
| |
| /* Set the Information Byte */ |
| |
| temp8 = |
| (u8) (linked_list->data.fixed_memory32.read_write_attribute & 0x01); |
| *buffer = temp8; |
| buffer += 1; |
| |
| /* Set the Range base address */ |
| |
| ACPI_MOVE_32_TO_32(buffer, |
| &linked_list->data.fixed_memory32. |
| range_base_address); |
| buffer += 4; |
| |
| /* Set the range length */ |
| |
| ACPI_MOVE_32_TO_32(buffer, |
| &linked_list->data.fixed_memory32.range_length); |
| buffer += 4; |
| |
| /* Return the number of bytes consumed in this operation */ |
| |
| *bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer); |
| return_ACPI_STATUS(AE_OK); |
| } |