INT 21 - Novell NetWare - DIRECTORY SERVICES - GET VOLUME INFORMATION
AH = E3h subfn E9h
DS:SI -> request buffer (see below)
ES:DI -> reply buffer (see below)
Return: AL = status
00h successful
Notes:  this function is supported by Advanced NetWare 2.1+
SeeAlso: AH=E2h/SF=15h

Format of request buffer:
Offset  Size    Description
00h    WORD    0002h (length of following data)
02h    BYTE    E9h (subfunction "Get Volume Information")
03h    BYTE    directory handle

Format of reply buffer:
Offset  Size    Description
00h    WORD    (call) 0028h (length of following results buffer)
02h    DWORD   elapsed system time (big-endian)
06h    BYTE    volume number
07h    BYTE    logical drive number
08h    WORD    sectors per block (big-endian)
0Ah    WORD    starting block (big-endian)
0Ch    WORD    total blocks on volume (big-endian)
0Eh    WORD    blocks available on volume (big-endian)
10h    WORD    total directory slots (big-endian)
12h    WORD    directory slots available (big-endian)
14h    WORD    maximum directory entries actually used (big-endian)
16h    BYTE    flag: volume hashed if nonzero
17h    BYTE    flag: volume cached if nonzero
18h    BYTE    flag: volume removable if nonzero
19h    BYTE    flag: volume mounted if nonzero
1Ah 16 BYTEs   NUL-padded volume name

See also: 21DA

21E3 - Novell NetWare - DIRECTORY SERVICES - GET VOLUME INFORMATION