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IB/uverbs: Implement memory windows support in uverbs

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The existing user/kernel uverbs API has IB_USER_VERBS_CMD_ALLOC/DEALLOC_MW.
Implement these calls, along with destroying user memory windows during
process cleanup.

Signed-off-by: Haggai Eran <haggaie@mellanox.com>
Signed-off-by: Shani Michaeli <shanim@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Shani Michaeli
2013-02-06 16:19:13 +00:00
committed by Roland Dreier
parent 7083e42ee2
commit 6b52a12bc3
4 changed files with 150 additions and 2 deletions
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16
include/uapi/rdma/ib_user_verbs.h
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@@ -261,6 +261,22 @@ struct ib_uverbs_dereg_mr {
__u32 mr_handle;
};
struct ib_uverbs_alloc_mw {
__u64 response;
__u32 pd_handle;
__u8 mw_type;
__u8 reserved[3];
};
struct ib_uverbs_alloc_mw_resp {
__u32 mw_handle;
__u32 rkey;
};
struct ib_uverbs_dealloc_mw {
__u32 mw_handle;
};
struct ib_uverbs_create_comp_channel {
__u64 response;
};