On 10/22/2013 9:20 PM, Hefty, Sean wrote:
Would we lose anything making this a new operation for the QP, versus
trying to hook it into the existing ib_post_send call?
If I understand correctly you are suggesting making it a verb? Well this
operation is a fast-path operation - so I guess we will
> > Would we lose anything making this a new operation for the QP, versus
> trying to hook it into the existing ib_post_send call?
>
> If I understand correctly you are suggesting making it a verb? Well this
> operation is a fast-path operation - so I guess we will loose it in this
> case.
> Take
On 10/22/2013 7:41 PM, Hefty, Sean wrote:
I don't think so,
Signature MR simply describes a "signature associated" memory region
i.e. it is a memory region that
also defines some signature operation offload aside from normal RDMA
(for example validate & strip).
SGL are used to publish several rke
> I don't think so,
> Signature MR simply describes a "signature associated" memory region
> i.e. it is a memory region that
> also defines some signature operation offload aside from normal RDMA
> (for example validate & strip).
> SGL are used to publish several rkeys for the server/target/peer to
On 10/21/2013 5:34 PM, Hefty, Sean wrote:
The signature handover operation is binding all the necessary
information for the HCA together: where is the data (data_mr), where is
the protection information (prot_mr), what are the signature properties
(sig_attrs).
Once this step is taken (WR is poste
> The signature handover operation is binding all the necessary
> information for the HCA together: where is the data (data_mr), where is
> the protection information (prot_mr), what are the signature properties
> (sig_attrs).
> Once this step is taken (WR is posted), a single MR (sig_mr) describes
On 10/18/2013 1:51 AM, Hefty, Sean wrote:
@@ -885,6 +901,19 @@ struct ib_send_wr {
u32 rkey;
struct ib_mw_bind_info bind_info;
} bind_mw;
+ struct {
+ struct ib_sig_attrs
> @@ -885,6 +901,19 @@ struct ib_send_wr {
> u32 rkey;
> struct ib_mw_bind_info bind_info;
> } bind_mw;
> + struct {
> + struct ib_sig_attrs*sig_attrs;
> + struct
This commit Introduces the Verbs Interface for signature related
operations. A signature handover operation shall configure the
layouts of data and protection attributes both in memory and wire
domains. Once the signature handover opration is done, the HCA will
offload data integrity generation/val
