* SCSI changer interface description
* Written by Stefan Grefen (grefen@goofy.zdv.uni-mainz.de soon grefen@convex.com)
* based on the SCSI System by written Julian Elischer (julian@tfs.com)
* for TRW Financial Systems.
* TRW Financial Systems, in accordance with their agreement with Carnegie
* Mellon University, makes this software available to CMU to distribute
* or use in any manner that they see fit as long as this message is kept with
* the software. For this reason TFS also grants any other persons or
* organisations permission to use or modify this software.
* TFS supplies this software to be publicly redistributed
* on the understanding that TFS is not responsible for the correct
* functioning of this software in any circumstances.
* Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
struct scsi_read_element_status
#define SRES_ELEM_TYPE_CODE 0x0F
#define SRES_ELEM_VOLTAG 0x10
u_char starting_element_addr
[2];
u_char number_of_elements
[2];
u_char allocation_length
[3];
#define RE_ALL_ELEMENTS 0
#define RE_MEDIUM_TRANSPORT_ELEMENT 1
#define RE_STORAGE_ELEMENT 2
#define RE_IMPORT_EXPORT 3
#define RE_DATA_TRANSFER_ELEMENT 4
u_char transport_element_address
[2];
u_char source_address
[2];
u_char destination_address
[2];
struct scsi_position_to_element
u_char transport_element_address
[2];
u_char source_address
[2];
#define POSITION_TO_ELEMENT 0x2b
#define READ_ELEMENT_STATUS 0xb8
struct scsi_element_status_data
u_char first_element_reported
[2];
u_char number_of_elements_reported
[2];
u_char byte_count_of_report
[3];
struct element_status_page
u_char element_type_code
;
u_char element_descriptor_length
[2];
u_char byte_count_of_descriptor_data
[3];