On 9/25/19 1:06 PM, Sam Eiderman wrote:
> From: Sam Eiderman <shmuel.eiderman@oracle.com>
>
> We will need to add LCHS removal logic to scsi-hd's unrealize() in the
> next commit.
>
> Signed-off-by: Sam Eiderman <sameid@google.com>
> Reviewed-by: Karl Heubaum <karl.heubaum@oracle.com>
> Reviewed-by: Arbel Moshe <arbel.moshe@oracle.com>
> Signed-off-by: Sam Eiderman <shmuel.eiderman@oracle.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
> ---
> hw/scsi/scsi-bus.c | 16 ++++++++++++++++
> include/hw/scsi/scsi.h | 1 +
> 2 files changed, 17 insertions(+)
>
> diff --git a/hw/scsi/scsi-bus.c b/hw/scsi/scsi-bus.c
> index bccb7cc4c6..359d50d6d0 100644
> --- a/hw/scsi/scsi-bus.c
> +++ b/hw/scsi/scsi-bus.c
> @@ -59,6 +59,14 @@ static void scsi_device_realize(SCSIDevice *s, Error **errp)
> }
> }
>
> +static void scsi_device_unrealize(SCSIDevice *s, Error **errp)
> +{
> + SCSIDeviceClass *sc = SCSI_DEVICE_GET_CLASS(s);
> + if (sc->unrealize) {
> + sc->unrealize(s, errp);
> + }
> +}
> +
> int scsi_bus_parse_cdb(SCSIDevice *dev, SCSICommand *cmd, uint8_t *buf,
> void *hba_private)
> {
> @@ -217,12 +225,20 @@ static void scsi_qdev_realize(DeviceState *qdev, Error **errp)
> static void scsi_qdev_unrealize(DeviceState *qdev, Error **errp)
> {
> SCSIDevice *dev = SCSI_DEVICE(qdev);
> + Error *local_err = NULL;
>
> if (dev->vmsentry) {
> qemu_del_vm_change_state_handler(dev->vmsentry);
> }
>
> scsi_device_purge_requests(dev, SENSE_CODE(NO_SENSE));
> +
> + scsi_device_unrealize(dev, &local_err);
> + if (local_err) {
> + error_propagate(errp, local_err);
> + return;
> + }
> +
> blockdev_mark_auto_del(dev->conf.blk);
> }
>
> diff --git a/include/hw/scsi/scsi.h b/include/hw/scsi/scsi.h
> index d77a92361b..332ef602f4 100644
> --- a/include/hw/scsi/scsi.h
> +++ b/include/hw/scsi/scsi.h
> @@ -59,6 +59,7 @@ struct SCSIRequest {
> typedef struct SCSIDeviceClass {
> DeviceClass parent_class;
> void (*realize)(SCSIDevice *dev, Error **errp);
> + void (*unrealize)(SCSIDevice *dev, Error **errp);
> int (*parse_cdb)(SCSIDevice *dev, SCSICommand *cmd, uint8_t *buf,
> void *hba_private);
> SCSIRequest *(*alloc_req)(SCSIDevice *s, uint32_t tag, uint32_t lun,
>
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