OK, I pushed out the patch below. Please let me know if you see any
problems caused by it, or if you think there may be a problem handling
rereg MR and/or MWs with this ABI.
Dotan, do you have any further comments about the completion channel
closing issue? I would really like to freeze the libibverbs ABI as
soon as possible.
- R.
diff --git a/include/infiniband/verbs.h b/include/infiniband/verbs.h
index 49cd581..2ae50ab 100644
--- a/include/infiniband/verbs.h
+++ b/include/infiniband/verbs.h
@@ -1,7 +1,7 @@
/*
* Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
* Copyright (c) 2004 Intel Corporation. All rights reserved.
- * Copyright (c) 2005, 2006 Cisco Systems, Inc. All rights reserved.
+ * Copyright (c) 2005, 2006, 2007 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2005 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
@@ -288,6 +288,13 @@ struct ibv_pd {
uint32_t handle;
};
+enum ibv_rereg_mr_flags {
+ IBV_REREG_MR_CHANGE_TRANSLATION = (1 << 0),
+ IBV_REREG_MR_CHANGE_PD = (1 << 1),
+ IBV_REREG_MR_CHANGE_ACCESS = (1 << 2),
+ IBV_REREG_MR_KEEP_VALID = (1 << 3)
+};
+
struct ibv_mr {
struct ibv_context *context;
struct ibv_pd *pd;
@@ -298,6 +305,17 @@ struct ibv_mr {
uint32_t rkey;
};
+enum ibv_mw_type {
+ IBV_MW_TYPE_1 = 1,
+ IBV_MW_TYPE_2 = 2
+};
+
+struct ibv_mw {
+ struct ibv_context *context;
+ struct ibv_pd *pd;
+ uint32_t rkey;
+};
+
struct ibv_global_route {
union ibv_gid dgid;
uint32_t flow_label;
@@ -517,6 +535,15 @@ struct ibv_recv_wr {
int num_sge;
};
+struct ibv_mw_bind {
+ uint64_t wr_id;
+ struct ibv_mr *mr;
+ void *addr;
+ size_t length;
+ enum ibv_send_flags send_flags;
+ enum ibv_access_flags mw_access_flags;
+};
+
struct ibv_srq {
struct ibv_context *context;
void *srq_context;
@@ -603,7 +630,16 @@ struct ibv_context_ops {
int (*dealloc_pd)(struct ibv_pd *pd);
struct ibv_mr * (*reg_mr)(struct ibv_pd *pd, void *addr, size_t
length,
enum ibv_access_flags access);
+ struct ibv_mr * (*rereg_mr)(struct ibv_mr *mr,
+ enum ibv_rereg_mr_flags flags,
+ struct ibv_pd *pd, void *addr,
+ size_t length,
+ enum ibv_access_flags access);
int (*dereg_mr)(struct ibv_mr *mr);
+ struct ibv_mw * (*alloc_mw)(struct ibv_pd *pd, enum ibv_mw_type
type);
+ int (*bind_mw)(struct ibv_qp *qp, struct ibv_mw *mw,
+ struct ibv_mw_bind *mw_bind);
+ int (*dealloc_mw)(struct ibv_mw *mw);
struct ibv_cq * (*create_cq)(struct ibv_context *context, int
cqe,
struct ibv_comp_channel *channel,
int comp_vector);
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