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xen-devel
Re: [Xen-devel] [RFC][PATCH] Enhance XenAPI for pvSCSI
Hi Yosuke,
My mail seems to have crossed your mail. Let me think a little.
Best regards,
Kan
Mon, 08 Sep 2008 14:03:27 +0900, Masaki Kanno wrote:
>Hi Yosuke,
>
>Thanks for your comment.
>
>As Kamada said, the pvSCSI driver emulates some SCSI commands,
>the pvSCSI driver does not always pass through SCSI commands.
>So I hesitate to call pvSCSI "direct".
>
>Best regards,
> Kan
>
>Fri, 05 Sep 2008 17:52:42 +0900, Yosuke Iwamatsu wrote:
>
>>Hi,
>>
>>Masaki Kanno wrote:
>>> Hi,
>>>
>>> I would like to enhance XenAPI for pvSCSI.
>>> At the beginning, I updated only the document of XenAPI. I'm going
>>> to implement XenAPI of pvSCSI along the document. Could you comment?
>>>
>>> The following classes and RPCs are added by the enhancement.
>>> Classes:
>>> - VSCSI class
>>> This is a class for virtual SCSI devices.
>>
>>It's nice to keep xen-api updated with new features :-)
>>One thing I want to point out is about the class name.
>>I think 'DSCSI' (direct scsi) is appropriate rather than 'VSCSI',
>>because pvSCSI driver doesn't really provide virtual scsi luns but
>>passes through scsi commands to real scsi luns, as far as I understand.
>>
>>Regards,
>>-- Yosuke Iwamatsu
>>
>>> - PSCSI class
>>> This is a class for physical SCSI devices.
>>>
>>> RPCs:
>>> - VSCSI class
>>> -- get_all
>>> A list of all VSCSIs known to the system is gotten.
>>> -- get_uuid
>>> An UUID of the VSCSI is gotten.
>>> -- get_VM
>>> A VM ref of the VSCSI is gotten.
>>> -- get_PSCSI
>>> A PSCSI ref of the VSCSI is gotten.
>>> -- get_virtual_host
>>> A virtual host number of the VSCSI is gotten.
>>> -- get_virtual_channel
>>> A virtual channel number of the VSCSI is gotten.
>>> -- get_virtual_target
>>> A virtual target number of the VSCSI is gotten.
>>> -- get_virtual_lun
>>> A virtual logical unit number of the VSCSI is gotten.
>>> -- get_virtual_HCTL
>>> A virtual HCTL (string of "<host>:<channel>:<target>:<lun>")
>>> of the VSCSI is gotten.
>>> -- create
>>> A new VSCSI instance is created.
>>> -- destroy
>>> The VSCSI instance is destroyed.
>>> -- get_by_uuid
>>> A VSCSI ref of the UUID is gotten.
>>> -- get_record
>>> A VSCSI record of the VSCSI is gotten.
>>>
>>> - PSCSI class
>>> -- get_all
>>> A list of all PSCSIs known to the system is gotten.
>>> -- get_uuid
>>> An UUID of the PSCSI is gotten.
>>> -- get_host
>>> A host ref of the PSCSI is gotten.
>>> -- get_physical_host
>>> A physical host number of the PSCSI is gotten.
>>> -- get_physical_channel
>>> A physical channel number of the PSCSI is gotten.
>>> -- get_physical_target
>>> A physical target number of the PSCSI is gotten.
>>> -- get_physical_lun
>>> A physical logical unit number of the PSCSI is gotten.
>>> -- get_physical_HCTL
>>> A physical HCTL (string of "<host>:<channel>:<target>:<lun>")
>>> of the PSCSI is gotten.
>>> -- get_vendor_name
>>> A vendor name of the PSCSI is gotten.
>>> -- get_model
>>> A model name of the PSCSI is gotten.
>>> -- get_type_id
>>> An ID of device types of the PSCSI is gotten. (If disk, the ID
>>> is 0. If tape, the ID is 1.)
>>> -- get_type
>>> A device type string of the PSCSI is gotten.
>>> -- get_sg_name
>>> A SCSI generic (sg) device name of the PSCSI is gotten.
>>> -- get_revision
>>> A revision string of the PSCSI is gotten.
>>> -- get_scsi_id
>>> A SCSI ID string of the PSCSI is gotten. The string is a result
>>> of 'scsi_id -gu -s'.
>>> -- get_scsi_level
>>> A SCSI level of the PSCSI is gotten.
>>> -- get_by_uuid
>>> A PSCSI ref of the UUID is gotten.
>>> -- get_record
>>> A PSCSI record of the PSCSI is gotten.
>>>
>>> - VM class
>>> -- get_VSCSIs
>>> VSCSI refs of the VM are gotten.
>>>
>>> - host class
>>> -- get_PSCSIs
>>> PSCSI refs of the host are gotten.
>>>
>>>
>>> Signed-off-by: Masaki Kanno <kanno.masaki@xxxxxxxxxxxxxx>
>>>
>>> Best regards,
>>> Kan
>>>
>>>
>>> ------------------------------------------------------------------------
>>>
>>> _______________________________________________
>>> Xen-devel mailing list
>>> Xen-devel@xxxxxxxxxxxxxxxxxxx
>>> http://lists.xensource.com/xen-devel
>>
>>
>>
>>_______________________________________________
>>Xen-devel mailing list
>>Xen-devel@xxxxxxxxxxxxxxxxxxx
>>http://lists.xensource.com/xen-devel
>
>
>_______________________________________________
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>Xen-devel@xxxxxxxxxxxxxxxxxxx
>http://lists.xensource.com/xen-devel
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