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kernel. Justin agress that there is no other reasonable alternative to do automatic rescans on connect. The problem is that when a new device attaches to a SIM (SCSI host controller) we need to send a XPT_SCAN_BUS command to the SIM using xpt_action. This requires however that there is a peripheral available to take the command (otherwise xpt_done and later bomb). The RESCAN ioctl uses the same periph. This enables a USB mass storage drive to do an automatic rescan on connection of the drive. The automatic dropping of a CAM entry on disconnection was already working (asynchronous event). The next thing to do is find someone to commit a change to vpo to do the same thing. Just port umass_cam_rescan and friends across to that driver. Approved by: gibbs |
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| .. | ||
| scsi | ||
| cam_ccb.h | ||
| cam_debug.h | ||
| cam_extend.c | ||
| cam_extend.h | ||
| cam_periph.c | ||
| cam_periph.h | ||
| cam_queue.c | ||
| cam_queue.h | ||
| cam_sim.c | ||
| cam_sim.h | ||
| cam_xpt_periph.h | ||
| cam_xpt_sim.h | ||
| cam_xpt.c | ||
| cam_xpt.h | ||
| cam.c | ||
| cam.h | ||