diff options
Diffstat (limited to 'drivers/acpi/resources/rsaddr.c')
| -rw-r--r-- | drivers/acpi/resources/rsaddr.c | 1157 |
1 files changed, 0 insertions, 1157 deletions
diff --git a/drivers/acpi/resources/rsaddr.c b/drivers/acpi/resources/rsaddr.c deleted file mode 100644 index 55d264771c4..00000000000 --- a/drivers/acpi/resources/rsaddr.c +++ /dev/null @@ -1,1157 +0,0 @@ -/******************************************************************************* - * - * 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) -{ - u32 index; - u16 temp16; - u8 temp8; - u8 *temp_ptr; - u8 *buffer = byte_stream_buffer; - struct acpi_resource *output_struct = (void *) *output_buffer; - acpi_size struct_size = ACPI_SIZEOF_RESOURCE ( - struct acpi_resource_address16); - - - 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); -} - |