Re: [Xen-devel] [PATCH 1/4] Add XEN pvSCSI protocol description

2014-06-30 Thread Jan Beulich
>>> On 30.06.14 at 13:18, wrote: > On 06/30/2014 01:02 PM, Jan Beulich wrote: > On 27.06.14 at 19:11, wrote: >>> On Fri, Jun 27, 2014 at 04:34:33PM +0200, jgr...@suse.com wrote: +/* + * Maximum scatter/gather segments per request. + * + * Considering balance between alloca

Re: [Xen-devel] [PATCH 1/4] Add XEN pvSCSI protocol description

2014-06-30 Thread Juergen Gross
On 06/30/2014 01:02 PM, Jan Beulich wrote: On 27.06.14 at 19:11, wrote: On Fri, Jun 27, 2014 at 04:34:33PM +0200, jgr...@suse.com wrote: +/* + * Maximum scatter/gather segments per request. + * + * Considering balance between allocating at least 16 "vscsiif_request" + * structures on one page

Re: [Xen-devel] [PATCH 1/4] Add XEN pvSCSI protocol description

2014-06-30 Thread Jan Beulich
>>> On 27.06.14 at 19:11, wrote: > On Fri, Jun 27, 2014 at 04:34:33PM +0200, jgr...@suse.com wrote: >> +/* >> + * Maximum scatter/gather segments per request. >> + * >> + * Considering balance between allocating at least 16 "vscsiif_request" >> + * structures on one page (4096 bytes) and the numbe

Re: [Xen-devel] [PATCH 1/4] Add XEN pvSCSI protocol description

2014-06-30 Thread Juergen Gross
On 06/27/2014 07:11 PM, Konrad Rzeszutek Wilk wrote: On Fri, Jun 27, 2014 at 04:34:33PM +0200, jgr...@suse.com wrote: From: Juergen Gross Add the definition of pvSCSI protocol used between the pvSCSI frontend in a XEN domU and the pvSCSI backend in a XEN driver domain (usually Dom0). This hea

Re: [Xen-devel] [PATCH 1/4] Add XEN pvSCSI protocol description

2014-06-27 Thread Konrad Rzeszutek Wilk
On Fri, Jun 27, 2014 at 04:34:33PM +0200, jgr...@suse.com wrote: > From: Juergen Gross > > Add the definition of pvSCSI protocol used between the pvSCSI frontend in a > XEN domU and the pvSCSI backend in a XEN driver domain (usually Dom0). > > This header was originally provided by Fujitsu for X