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RDMA/core: Add signature attrs element for ib_mr structure

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This element will describe the needed characteristics for the signature
operation per signature enabled memory region (type IB_MR_TYPE_INTEGRITY).
Also add meta_length attribute to ib_sig_attrs structure for saving the
mapped metadata length (needed for the new API implementation).

Signed-off-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Israel Rukshin <israelr@mellanox.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Max Gurtovoy
2019-06-11 18:52:41 +03:00
committed by Jason Gunthorpe
parent 2cdfcdd867
commit 7c717d3aee
4 changed files with 16 additions and 2 deletions
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2
include/rdma/ib_verbs.h
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@@ -1739,7 +1739,7 @@ struct ib_mr {
};
struct ib_dm *dm;
struct ib_sig_attrs *sig_attrs; /* only for IB_MR_TYPE_INTEGRITY MRs */
/*
* Implementation details of the RDMA core, don't use in drivers:
*/

2
include/rdma/signature.h
View File

@@ -80,11 +80,13 @@ struct ib_sig_domain {
* @check_mask: bitmask for signature byte check (8 bytes)
* @mem: memory domain layout descriptor.
* @wire: wire domain layout descriptor.
* @meta_length: metadata length
*/
struct ib_sig_attrs {
u8 check_mask;
struct ib_sig_domain mem;
struct ib_sig_domain wire;
int meta_length;
};
enum ib_sig_err_type {