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-rw-r--r--hw/scsi-generic.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/hw/scsi-generic.c b/hw/scsi-generic.c
index 90f2a4a..fc015e0 100644
--- a/hw/scsi-generic.c
+++ b/hw/scsi-generic.c
@@ -79,6 +79,23 @@ static void scsi_clear_sense(SCSIGenericState *s)
s->driver_status = 0;
}
+static int scsi_get_sense(SCSIRequest *req, uint8_t *outbuf, int len)
+{
+ SCSIGenericState *s = DO_UPCAST(SCSIGenericState, qdev, req->dev);
+ int size = SCSI_SENSE_BUF_SIZE;
+
+ if (!(s->driver_status & SG_ERR_DRIVER_SENSE)) {
+ size = scsi_build_sense(SENSE_CODE(NO_SENSE), s->sensebuf,
+ SCSI_SENSE_BUF_SIZE, 0);
+ }
+ if (size > len) {
+ size = len;
+ }
+ memcpy(outbuf, s->sensebuf, size);
+
+ return size;
+}
+
static SCSIRequest *scsi_new_request(SCSIDevice *d, uint32_t tag, uint32_t lun)
{
SCSIRequest *req;
@@ -535,6 +552,7 @@ static SCSIDeviceInfo scsi_generic_info = {
.write_data = scsi_write_data,
.cancel_io = scsi_cancel_io,
.get_buf = scsi_get_buf,
+ .get_sense = scsi_get_sense,
.qdev.props = (Property[]) {
DEFINE_BLOCK_PROPERTIES(SCSIGenericState, qdev.conf),
DEFINE_PROP_END_OF_LIST(),