sd_pm_iostart
sd_pm_iostart, /* Index: 1 */
sd_pm_iostart, /* Index: 7 */
sd_pm_iostart, /* Index: 14 */
sd_pm_iostart, /* Index: 19 */
sd_pm_iostart, /* Index: 22 */
sd_pm_iostart, /* Index: 29 */
static void sd_pm_iostart(int index, struct sd_lun *un, struct buf *bp);