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IB: Add userspace support for resizing CQs

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Add support to uverbs to handle resizing userspace CQs (completion
queues), including adding an ABI for marshalling requests and
responses.  The kernel midlayer already has ib_resize_cq().

Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Roland Dreier
2006-01-30 14:29:21 -08:00
parent 399d792129
commit 33b9b3ee97
6 changed files with 62 additions and 8 deletions
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13
include/rdma/ib_user_verbs.h
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@@ -1,6 +1,6 @@
/*
* Copyright (c) 2005 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Cisco Systems. All rights reserved.
* Copyright (c) 2005, 2006 Cisco Systems. All rights reserved.
* Copyright (c) 2005 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
@@ -265,6 +265,17 @@ struct ib_uverbs_create_cq_resp {
__u32 cqe;
};
struct ib_uverbs_resize_cq {
__u64 response;
__u32 cq_handle;
__u32 cqe;
__u64 driver_data[0];
};
struct ib_uverbs_resize_cq_resp {
__u32 cqe;
};
struct ib_uverbs_poll_cq {
__u64 response;
__u32 cq_handle;