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uas: Only use report iu-s for task_mgmt status reporting 

Regular scsi cmds should always report their status using a sense-iu, using
the sense code to report any errors.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Hans de Goede 2013-10-24 18:15:50 +01:00 committed by Gerd Hoffmann
parent 9ec557bd53
commit d4bfc7b9f3
1 changed files with 22 additions and 8 deletions
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30
hw/usb/dev-uas.c
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@ -420,6 +420,24 @@ static void usb_uas_queue_sense(UASRequest *req, uint8_t status)
usb_uas_queue_status(req->uas, st, len);
}
static void usb_uas_queue_fake_sense(UASDevice *uas, uint16_t tag,
struct SCSISense sense)
{
UASStatus *st = usb_uas_alloc_status(uas, UAS_UI_SENSE, tag);
int len, slen = 0;
st->status.sense.status = CHECK_CONDITION;
st->status.sense.status_qualifier = cpu_to_be16(0);
st->status.sense.sense_data[0] = 0x70;
st->status.sense.sense_data[2] = sense.key;
st->status.sense.sense_data[7] = 10;
st->status.sense.sense_data[12] = sense.asc;
st->status.sense.sense_data[13] = sense.ascq;
slen = 18;
len = sizeof(uas_ui_sense) - sizeof(st->status.sense.sense_data) + slen;
usb_uas_queue_status(uas, st, len);
}
static void usb_uas_queue_read_ready(UASRequest *req)
{
UASStatus *st = usb_uas_alloc_status(req->uas, UAS_UI_READ_READY,
@ -672,8 +690,9 @@ static void usb_uas_command(UASDevice *uas, uas_ui *ui)
{
UASRequest *req;
uint32_t len;
uint16_t tag = be16_to_cpu(ui->hdr.tag);
req = usb_uas_find_request(uas, be16_to_cpu(ui->hdr.tag));
req = usb_uas_find_request(uas, tag);
if (req) {
goto overlapped_tag;
}
@ -706,16 +725,11 @@ static void usb_uas_command(UASDevice *uas, uas_ui *ui)
return;
overlapped_tag:
usb_uas_queue_response(uas, req->tag, UAS_RC_OVERLAPPED_TAG, 0);
usb_uas_queue_fake_sense(uas, tag, sense_code_OVERLAPPED_COMMANDS);
return;
bad_target:
/*
* FIXME: Seems to upset linux, is this wrong?
* NOTE: Happens only with no scsi devices at the bus, not sure
* this is a valid UAS setup in the first place.
*/
usb_uas_queue_response(uas, req->tag, UAS_RC_INVALID_INFO_UNIT, 0);
usb_uas_queue_fake_sense(uas, tag, sense_code_LUN_NOT_SUPPORTED);
g_free(req);
}