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| author | Moni Shoua <monis@mellanox.com> | 2018-12-11 13:37:52 +0200 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2018-12-18 15:19:46 -0700 |
| commit | ad8a4496757f6f7344011a20a07195bd27e3989c (patch) | |
| tree | 398c3f6da4ba9337c5993d00f30402cfcf5caec3 /crypto/drbg.c | |
| parent | cbfdd442c43eab8c62bf2ea5127511cd39e9046d (diff) | |
IB/uverbs: Add support to advise_mr
Add new ioctl method for the MR object - ADVISE_MR.
This command can be used by users to give an advice or directions to the
kernel about an address range that belongs to memory regions.
A new ib_device callback, advise_mr(), is introduced here to suupport the
new command. This command takes the following arguments:
- pd: The protection domain to which all memory regions belong
- advice: The type of the advice
* IB_UVERBS_ADVISE_MR_ADVICE_PREFETCH - Pre-fetch a range of
an on-demand paging MR
* IB_UVERBS_ADVISE_MR_ADVICE_PREFETCH_WRITE - Pre-fetch a range
of an on-demand paging MR with write intention
- flags: The properties of the advice
* IB_UVERBS_ADVISE_MR_FLAG_FLUSH - Operation must end before
return to the caller
- sg_list: The list of memory ranges
- num_sge: The number of memory ranges in the list
- attrs: More attributes to be parsed by the provider
Signed-off-by: Moni Shoua <monis@mellanox.com>
Reviewed-by: Guy Levi <guyle@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'crypto/drbg.c')
0 files changed, 0 insertions, 0 deletions