[Qemu-devel] [PATCH 4/5] scsi: report parameter changes to HBA drivers

[Paolo Bonzini <pbonzini@redhat.com>]

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 hw/scsi-bus.c  |   10 ++++++++++
 hw/scsi-disk.c |    2 +-
 hw/scsi.h      |    2 ++
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/hw/scsi-bus.c b/hw/scsi-bus.c
index d5e1fb0..77aa946 100644
--- a/hw/scsi-bus.c
+++ b/hw/scsi-bus.c
@@ -1072,6 +1072,16 @@ int scsi_req_parse(SCSICommand *cmd, SCSIDevice *dev, uint8_t *buf)
     return 0;
 }
 
+void scsi_device_report_change(SCSIDevice *dev, SCSISense sense)
+{
+    SCSIBus *bus = DO_UPCAST(SCSIBus, qbus, dev->qdev.parent_bus);
+
+    scsi_device_set_ua(dev, sense);
+    if (bus->info->change) {
+        bus->info->change(bus, dev, sense);
+    }
+}
+
 /*
  * Predefined sense codes
  */
diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c
index fabd0bf..8351de5 100644
--- a/hw/scsi-disk.c
+++ b/hw/scsi-disk.c
@@ -1867,7 +1867,7 @@ static void scsi_disk_resize_cb(void *opaque)
 {
     SCSIDiskState *s = opaque;
 
-    scsi_device_set_ua(&s->qdev, SENSE_CODE(CAPACITY_CHANGED));
+    scsi_device_report_change(&s->qdev, SENSE_CODE(CAPACITY_CHANGED));
 }
 
 static void scsi_cd_change_media_cb(void *opaque, bool load)
diff --git a/hw/scsi.h b/hw/scsi.h
index 4804be9..380bb89 100644
--- a/hw/scsi.h
+++ b/hw/scsi.h
@@ -132,6 +132,7 @@ struct SCSIBusInfo {
     void (*cancel)(SCSIRequest *req);
     void (*hotplug)(SCSIBus *bus, SCSIDevice *dev);
     void (*hot_unplug)(SCSIBus *bus, SCSIDevice *dev);
+    void (*change)(SCSIBus *bus, SCSIDevice *dev, SCSISense sense);
     QEMUSGList *(*get_sg_list)(SCSIRequest *req);
 
     void (*save_request)(QEMUFile *f, SCSIRequest *req);
@@ -240,6 +241,7 @@ void scsi_req_cancel(SCSIRequest *req);
 void scsi_req_retry(SCSIRequest *req);
 void scsi_device_purge_requests(SCSIDevice *sdev, SCSISense sense);
 void scsi_device_set_ua(SCSIDevice *sdev, SCSISense sense);
+void scsi_device_report_change(SCSIDevice *dev, SCSISense sense);
 int scsi_device_get_sense(SCSIDevice *dev, uint8_t *buf, int len, bool fixed);
 SCSIDevice *scsi_device_find(SCSIBus *bus, int channel, int target, int lun);
 
-- 
1.7.10.4