Re: [Qemu-devel] [PATCH v2 0/5] vhost-scsi: support to assign boot order

[Gonglei <arei.gonglei@huawei.com>]

On 2015/1/29 15:08, Gonglei (Arei) wrote:

> From: Gonglei <arei.gonglei@huawei.com>
> 
> Qemu haven't provide a bootindex property for vhost-scsi device.
> So, we can not assign the boot order for it at present. But
> Some clients/users have requirements for that in some scenarios.
> This patch achieve the aim in Qemu side.
> 
> Because Qemu only accept an wwpn argument for vhost-scsi, we
> cannot assign a tpgt. That's say tpg is transparent for Qemu, Qemu
> doesn't know which tpg can boot, but vhost-scsi driver module
> doesn't know too for one assigned wwpn.
>     
> At present, we assume that the first tpg can boot only, and add
> a boot_tpgt property that defaults to 0. Of course, people can
> pass a valid value by qemu command line.
> 

Ping...

> v2 -> v1: (Thanks to Paolo's suggestion)
>  - change calling  qdev_get_own_fw_dev_path_from_handler in
>    get_boot_devices_list, and convert non-NULL suffixes to
>    implementations of FWPathProvider in Patch 1. (Paolo)
>  - add a boot_tpgt property for vhost-scsi in Patch 4. (Paolo)
>  - remove the ioctl calling in Patch 4, because the kernel
>    patch hasn't been accepted.
> 
> kernel patch:
> [PATCH] vhost-scsi: introduce an ioctl to get the minimum tpgt
> http://news.gmane.org/gmane.comp.emulators.kvm.devel
> 

> Gonglei (5):
>   qdev: support to get a device firmware path directly
>   vhost-scsi: add bootindex property
>   vhost-scsi: realize the TYPE_FW_PATH_PROVIDER interface
>   vhost-scsi: add a property for booting
>   vhost-scsi: set the bootable value of channel/target/lun
> 
>  bootdevice.c                    | 31 +++++++++++++++++--------------
>  hw/core/qdev.c                  |  7 +++++++
>  hw/scsi/vhost-scsi.c            | 35 +++++++++++++++++++++++++++++++++++
>  hw/virtio/virtio-pci.c          |  2 ++
>  include/hw/qdev-core.h          |  1 +
>  include/hw/virtio/vhost-scsi.h  |  5 +++++
>  include/hw/virtio/virtio-scsi.h |  1 +
>  7 files changed, 68 insertions(+), 14 deletions(-)
>