From cc2a8545085333500e75f216bbaa6fa3ff7c0a71 Mon Sep 17 00:00:00 2001 From: will Date: Wed, 22 Jun 2011 21:43:10 +0000 Subject: Plumb support for the device advanced information CCB in the ATA XPT. This was previously done only for SCSI XPT in r223081, on which the change in r223089 depended in order to respond to serial number requests. As a result of r223089, da(4) and ada(4) devices register a d_getattr for geom to use to obtain the information. Reported by: ache Reviewed by: ken --- sys/cam/ata/ata_xpt.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) (limited to 'sys/cam') diff --git a/sys/cam/ata/ata_xpt.c b/sys/cam/ata/ata_xpt.c index d02b36f..216805d 100644 --- a/sys/cam/ata/ata_xpt.c +++ b/sys/cam/ata/ata_xpt.c @@ -1601,6 +1601,34 @@ ata_device_transport(struct cam_path *path) } static void +ata_dev_advinfo(union ccb *start_ccb) +{ + struct cam_ed *device; + struct ccb_dev_advinfo *cdai; + off_t amt; + + start_ccb->ccb_h.status = CAM_REQ_INVALID; + device = start_ccb->ccb_h.path->device; + cdai = &start_ccb->cdai; + switch(cdai->buftype) { + case CDAI_TYPE_SERIAL_NUM: + if (cdai->flags & CDAI_FLAG_STORE) + break; + start_ccb->ccb_h.status = CAM_REQ_CMP; + cdai->provsiz = device->serial_num_len; + if (device->serial_num_len == 0) + break; + amt = device->serial_num_len; + if (cdai->provsiz > cdai->bufsiz) + amt = cdai->bufsiz; + memcpy(cdai->buf, device->serial_num, amt); + break; + default: + break; + } +} + +static void ata_action(union ccb *start_ccb) { @@ -1652,6 +1680,11 @@ ata_action(union ccb *start_ccb) } /* FALLTHROUGH */ } + case XPT_DEV_ADVINFO: + { + ata_dev_advinfo(start_ccb); + break; + } default: xpt_action_default(start_ccb); break; -- cgit v1.1