Page MenuHomeFreeBSD
Files F113834604

D49472.diff
No OneTemporary
Actions

D49472.diff
View Options

diff --git a/sys/dev/usb/storage/umass.c b/sys/dev/usb/storage/umass.c
--- a/sys/dev/usb/storage/umass.c
+++ b/sys/dev/usb/storage/umass.c
@@ -2682,28 +2682,6 @@
{
sc->sc_transfer.cmd_len = cmd_len;
- switch (cmd_ptr[0]) {
- case TEST_UNIT_READY:
- if (sc->sc_quirks & NO_TEST_UNIT_READY) {
- DPRINTF(sc, UDMASS_SCSI, "Converted TEST_UNIT_READY "
- "to START_UNIT\n");
- memset(sc->sc_transfer.cmd_data, 0, cmd_len);
- sc->sc_transfer.cmd_data[0] = START_STOP_UNIT;
- sc->sc_transfer.cmd_data[4] = SSS_START;
- return (true);
- }
- break;
-
- case INQUIRY:
- /*
- * some drives wedge when asked for full inquiry
- * information.
- */
- if (sc->sc_quirks & FORCE_SHORT_INQUIRY) {
- sc->sc_transfer.cmd_data[4] = SHORT_INQUIRY_LENGTH;
- }
- break;
- }
return (true);
}
@@ -2759,27 +2737,12 @@
* should work. Copy the command into the (zeroed out)
* destination buffer.
*/
- case TEST_UNIT_READY:
- if (sc->sc_quirks & NO_TEST_UNIT_READY) {
- /*
- * Some devices do not support this command. Start
- * Stop Unit should give the same results
- */
- DPRINTF(sc, UDMASS_UFI, "Converted TEST_UNIT_READY "
- "to START_UNIT\n");
-
- /* Zero the command data */
- memset(sc->sc_transfer.cmd_data, 0, UFI_COMMAND_LENGTH);
- sc->sc_transfer.cmd_data[0] = START_STOP_UNIT;
- sc->sc_transfer.cmd_data[4] = SSS_START;
- return (1);
- }
- break;
case REZERO_UNIT:
case REQUEST_SENSE:
case FORMAT_UNIT:
case INQUIRY:
+ case TEST_UNIT_READY:
case START_STOP_UNIT:
case SEND_DIAGNOSTIC:
case PREVENT_ALLOW:
@@ -2828,30 +2791,11 @@
* should work. Copy the command into the destination
* buffer.
*/
- case INQUIRY:
- /*
- * some drives wedge when asked for full inquiry
- * information, so adjust the transfer length
- */
- if (sc->sc_quirks & FORCE_SHORT_INQUIRY) {
- sc->sc_transfer.cmd_data[4] = SHORT_INQUIRY_LENGTH;
- }
- break;
-
- case TEST_UNIT_READY:
- if (sc->sc_quirks & NO_TEST_UNIT_READY) {
- DPRINTF(sc, UDMASS_SCSI, "Converted TEST_UNIT_READY "
- "to START_UNIT\n");
- memset(sc->sc_transfer.cmd_data, 0, ATAPI_COMMAND_LENGTH);
- sc->sc_transfer.cmd_data[0] = START_STOP_UNIT;
- sc->sc_transfer.cmd_data[4] = SSS_START;
- return (true);
- }
- break;
-
case REZERO_UNIT:
case REQUEST_SENSE:
+ case INQUIRY:
case START_STOP_UNIT:
+ case TEST_UNIT_READY:
case SEND_DIAGNOSTIC:
case PREVENT_ALLOW:
case READ_CAPACITY:
@@ -2905,18 +2849,46 @@
static bool
umass_std_transform(struct umass_softc *sc, union ccb *ccb,
- uint8_t *cmd, uint8_t cmdlen)
+ uint8_t *cmd, uint8_t cmd_len)
{
- uint8_t retval;
-
if (cmd_len == 0 || cmd_len > sizeof(sc->sc_transfer.cmd_data)) {
DPRINTF(sc, UDMASS_SCSI, "Invalid command length: %d bytes\n",
cmd_len);
return (false); /* failure */
}
- memcpy(sc->sc_transfer.cmd_data, cmd_ptr, cmd_len);
- if (sc->sc_transform(sc, cmd, cmdlen))
+ /*
+ * Copy the CDB to the cmd_data buffer and then apply the common quirks
+ * to the code. We then pass the transformed command down to allow
+ * further transforms.
+ */
+ memset(sc->sc_transfer.cmd_data, 0, sizeof(sc->sc_transfer.cmd_data));
+ memcpy(sc->sc_transfer.cmd_data, cmd, cmd_len);
+ switch (cmd[0]) {
+ case TEST_UNIT_READY:
+ /*
+ * Some drive choke on TEST UNIT READY. Convert it to START STOP
+ * UNIT to get similar status.
+ */
+ if ((sc->sc_quirks & NO_TEST_UNIT_READY) != 0) {
+ DPRINTF(sc, UDMASS_SCSI,
+ "Converted TEST_UNIT_READY to START_UNIT\n");
+ memset(sc->sc_transfer.cmd_data, 0, cmd_len);
+ sc->sc_transfer.cmd_data[0] = START_STOP_UNIT;
+ sc->sc_transfer.cmd_data[4] = SSS_START;
+ }
+ break;
+
+ case INQUIRY:
+ /*
+ * some drives wedge when asked for full inquiry
+ * information.
+ */
+ if ((sc->sc_quirks & FORCE_SHORT_INQUIRY) != 0)
+ sc->sc_transfer.cmd_data[4] = SHORT_INQUIRY_LENGTH;
+ break;
+ }
+ if (sc->sc_transform(sc, cmd, cmd_len))
return (true); /* Execute command */
xpt_freeze_devq(ccb->ccb_h.path, 1);

File Metadata

Mime Type
text/plain
Expires
Sat, Apr 5, 7:54 AM (7 h, 46 m)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
17285225
Default Alt Text
D49472.diff (3 KB)

Event Timeline