-acpi_status
-acpi_rs_irq_stream(struct acpi_resource *linked_list,
- u8 ** output_buffer, acpi_size * bytes_consumed)
-{
- u8 *buffer = *output_buffer;
- u16 temp16 = 0;
- u8 temp8 = 0;
- u8 index;
- u8 IRqinfo_byte_needed;
-
- ACPI_FUNCTION_TRACE("rs_irq_stream");
-
- /*
- * The descriptor field is set based upon whether a third byte is
- * needed to contain the IRQ Information.
- */
- if (ACPI_EDGE_SENSITIVE == linked_list->data.irq.edge_level &&
- ACPI_ACTIVE_HIGH == linked_list->data.irq.active_high_low &&
- ACPI_EXCLUSIVE == linked_list->data.irq.shared_exclusive) {
- *buffer = 0x22;
- IRqinfo_byte_needed = FALSE;
- } else {
- *buffer = 0x23;
- IRqinfo_byte_needed = TRUE;
- }
-
- buffer += 1;
- temp16 = 0;
-
- /* Loop through all of the interrupts and set the mask bits */
-
- for (index = 0;
- index < linked_list->data.irq.number_of_interrupts; index++) {
- temp8 = (u8) linked_list->data.irq.interrupts[index];
- temp16 |= 0x1 << temp8;
- }
-
- ACPI_MOVE_16_TO_16(buffer, &temp16);
- buffer += 2;
-
- /* Set the IRQ Info byte if needed. */
-
- if (IRqinfo_byte_needed) {
- temp8 = 0;
- temp8 = (u8) ((linked_list->data.irq.shared_exclusive &
- 0x01) << 4);
-
- if (ACPI_LEVEL_SENSITIVE == linked_list->data.irq.edge_level &&
- ACPI_ACTIVE_LOW == linked_list->data.irq.active_high_low) {
- temp8 |= 0x08;
- } else {
- temp8 |= 0x01;
- }
-
- *buffer = temp8;
- buffer += 1;
- }
-
- /* 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_extended_irq_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_extended_irq_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;
- u8 *temp_ptr;
- u8 index;
- acpi_size struct_size =
- ACPI_SIZEOF_RESOURCE(struct acpi_resource_ext_irq);
-
- ACPI_FUNCTION_TRACE("rs_extended_irq_resource");
-
- /* Get the Descriptor Length field */
-
- buffer += 1;
- ACPI_MOVE_16_TO_16(&temp16, buffer);
-
- /* Validate minimum descriptor length */
-
- if (temp16 < 6) {
- return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH);
- }
-
- *bytes_consumed = temp16 + 3;
- output_struct->id = ACPI_RSTYPE_EXT_IRQ;
-
- /* Point to the Byte3 */
-
- buffer += 2;
- temp8 = *buffer;
-
- output_struct->data.extended_irq.producer_consumer = temp8 & 0x01;