diff options
| -rw-r--r-- | hw/scsi/scsi-bus.c | 18 | ||||
| -rw-r--r-- | hw/scsi/virtio-scsi.c | 2 | ||||
| -rw-r--r-- | include/hw/scsi/scsi.h | 1 |
3 files changed, 21 insertions, 0 deletions
diff --git a/hw/scsi/scsi-bus.c b/hw/scsi/scsi-bus.c index 4403717c4a..ceceafb2cd 100644 --- a/hw/scsi/scsi-bus.c +++ b/hw/scsi/scsi-bus.c @@ -1616,6 +1616,24 @@ static int scsi_ua_precedence(SCSISense sense) return (sense.asc << 8) | sense.ascq; } +void scsi_bus_set_ua(SCSIBus *bus, SCSISense sense) +{ + int prec1, prec2; + if (sense.key != UNIT_ATTENTION) { + return; + } + + /* + * Override a pre-existing unit attention condition, except for a more + * important reset condition. + */ + prec1 = scsi_ua_precedence(bus->unit_attention); + prec2 = scsi_ua_precedence(sense); + if (prec2 < prec1) { + bus->unit_attention = sense; + } +} + void scsi_device_set_ua(SCSIDevice *sdev, SCSISense sense) { int prec1, prec2; diff --git a/hw/scsi/virtio-scsi.c b/hw/scsi/virtio-scsi.c index 41f2a56301..cf2721aa46 100644 --- a/hw/scsi/virtio-scsi.c +++ b/hw/scsi/virtio-scsi.c @@ -956,6 +956,7 @@ static void virtio_scsi_hotplug(HotplugHandler *hotplug_dev, DeviceState *dev, virtio_scsi_push_event(s, sd, VIRTIO_SCSI_T_TRANSPORT_RESET, VIRTIO_SCSI_EVT_RESET_RESCAN); + scsi_bus_set_ua(&s->bus, SENSE_CODE(REPORTED_LUNS_CHANGED)); virtio_scsi_release(s); } } @@ -973,6 +974,7 @@ static void virtio_scsi_hotunplug(HotplugHandler *hotplug_dev, DeviceState *dev, virtio_scsi_push_event(s, sd, VIRTIO_SCSI_T_TRANSPORT_RESET, VIRTIO_SCSI_EVT_RESET_REMOVED); + scsi_bus_set_ua(&s->bus, SENSE_CODE(REPORTED_LUNS_CHANGED)); virtio_scsi_release(s); } diff --git a/include/hw/scsi/scsi.h b/include/hw/scsi/scsi.h index 001103488c..3b1b3d278e 100644 --- a/include/hw/scsi/scsi.h +++ b/include/hw/scsi/scsi.h @@ -186,6 +186,7 @@ SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, BlockBackend *blk, BlockdevOnError rerror, BlockdevOnError werror, const char *serial, Error **errp); +void scsi_bus_set_ua(SCSIBus *bus, SCSISense sense); void scsi_bus_legacy_handle_cmdline(SCSIBus *bus); void scsi_legacy_handle_cmdline(void); |