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    SubjectRe: 2.6.8.1 Mis-detect CRDW as CDROM
    On Mon, 16 Aug 2004, Marc Ballarin wrote:

    > Here are the additional commands I permit right now. It allows me to blank
    > a CDRW and record in TAO mode. k3b needs MODE_SELECT_10 even
    > for read-only access.
    >
    >
    >
    > safe_for_read(GPCMD_GET_CONFIGURATION),
    > safe_for_read(GPCMD_GET_PERFORMANCE),
    > safe_for_read(MODE_SELECT_10),
    >
    > safe_for_write(ALLOW_MEDIUM_REMOVAL),
    > safe_for_write(REZERO_UNIT),
    > safe_for_write(SYNCHRONIZE_CACHE),
    > safe_for_write(GPCMD_SET_SPEED),
    > safe_for_write(GPCMD_SEND_OPC),
    > safe_for_write(GPCMD_BLANK),
    > safe_for_write(GPCMD_CLOSE_TRACK),
    > safe_for_write(0x5c), //whatever this might be

    Read Buffer Capacity
    >
    > Shouldn't most GPCMD_* commands be safe for reading or writing, at least
    > for CD devices?
    > Are commands like MODE_SELECT_10 really safe for read?
    >
    Mode Select is not safe enough even for write (i.e., CAP_RAWIO must be
    required). Is it really necessary for Mode Select to succeed or do the
    applications just try to do something and fail gracefully?

    --
    Kai
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