diff options
Diffstat (limited to 'sys/dev/usb/storage/umass.c')
| -rw-r--r-- | sys/dev/usb/storage/umass.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/sys/dev/usb/storage/umass.c b/sys/dev/usb/storage/umass.c index 3becf16..178c68b 100644 --- a/sys/dev/usb/storage/umass.c +++ b/sys/dev/usb/storage/umass.c @@ -361,6 +361,8 @@ typedef uint8_t (umass_transform_t)(struct umass_softc *sc, uint8_t *cmd_ptr, * result. */ #define NO_SYNCHRONIZE_CACHE 0x4000 + /* Device does not support 'PREVENT/ALLOW MEDIUM REMOVAL'. */ +#define NO_PREVENT_ALLOW 0x8000 struct umass_softc { @@ -831,6 +833,8 @@ umass_probe_proto(device_t dev, struct usb_attach_arg *uaa) quirks |= NO_INQUIRY; if (usb_test_quirk(uaa, UQ_MSC_NO_INQUIRY_EVPD)) quirks |= NO_INQUIRY_EVPD; + if (usb_test_quirk(uaa, UQ_MSC_NO_PREVENT_ALLOW)) + quirks |= NO_PREVENT_ALLOW; if (usb_test_quirk(uaa, UQ_MSC_NO_SYNC_CACHE)) quirks |= NO_SYNCHRONIZE_CACHE; if (usb_test_quirk(uaa, UQ_MSC_SHUTTLE_INIT)) @@ -2245,6 +2249,13 @@ umass_cam_action(struct cam_sim *sim, union ccb *ccb) if (sc->sc_quirks & FORCE_SHORT_INQUIRY) { ccb->csio.dxfer_len = SHORT_INQUIRY_LENGTH; } + } else if (sc->sc_transfer.cmd_data[0] == PREVENT_ALLOW) { + if (sc->sc_quirks & NO_PREVENT_ALLOW) { + ccb->csio.scsi_status = SCSI_STATUS_OK; + ccb->ccb_h.status = CAM_REQ_CMP; + xpt_done(ccb); + goto done; + } } else if (sc->sc_transfer.cmd_data[0] == SYNCHRONIZE_CACHE) { if (sc->sc_quirks & NO_SYNCHRONIZE_CACHE) { ccb->csio.scsi_status = SCSI_STATUS_OK; |
