• John Snow's avatar
    ide: Update ide_drive_get to be HBA agnostic · d8f94e1b
    John Snow authored
    Instead of duplicating the logic for the if_ide
    (bus,unit) mappings, rely on the blockdev layer
    for managing those mappings for us, and use the
    drive_get_by_index call instead.
    
    This allows ide_drive_get to work for AHCI HBAs
    as well, and can be used in the Q35 initialization.
    
    Lastly, change the nature of the argument to
    ide_drive_get so that represents the number of
    total drives we can support, and not the total
    number of buses. This will prevent array overflows
    if the units-per-default-bus property ever needs
    to be adjusted for compatibility reasons.
    Signed-off-by: default avatarJohn Snow <jsnow@redhat.com>
    Reviewed-by: default avatarMarkus Armbruster <armbru@redhat.com>
    Reviewed-by: default avatarMichael S. Tsirkin <mst@redhat.com>
    Message-id: 1412187569-23452-5-git-send-email-jsnow@redhat.com
    Signed-off-by: default avatarStefan Hajnoczi <stefanha@redhat.com>
    d8f94e1b
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