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authorChristoph Hellwig <hch@lst.de>2016-05-03 18:01:07 +0200
committerDoug Ledford <dledford@redhat.com>2016-05-13 13:37:18 -0400
commitfffb0383cf0b433ad029d19e6e9d6f1f46523ace (patch)
treebbef7530c7911f2df6a02d19547ee81a1ca341d3 /include/rdma/mr_pool.h
parent04c41bf39f5b2de72bda04cf10bb95ea1870a94f (diff)
downloadlinux-fffb0383cf0b433ad029d19e6e9d6f1f46523ace.tar.bz2
IB/core: add a simple MR pool
Signed-off-by: Christoph Hellwig <hch@lst.de> Tested-by: Steve Wise <swise@opengridcomputing.com> Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'include/rdma/mr_pool.h')
-rw-r--r--include/rdma/mr_pool.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/include/rdma/mr_pool.h b/include/rdma/mr_pool.h
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+++ b/include/rdma/mr_pool.h
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+/*
+ * Copyright (c) 2016 HGST, a Western Digital Company.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ */
+#ifndef _RDMA_MR_POOL_H
+#define _RDMA_MR_POOL_H 1
+
+#include <rdma/ib_verbs.h>
+
+struct ib_mr *ib_mr_pool_get(struct ib_qp *qp, struct list_head *list);
+void ib_mr_pool_put(struct ib_qp *qp, struct list_head *list, struct ib_mr *mr);
+
+int ib_mr_pool_init(struct ib_qp *qp, struct list_head *list, int nr,
+ enum ib_mr_type type, u32 max_num_sg);
+void ib_mr_pool_destroy(struct ib_qp *qp, struct list_head *list);
+
+#endif /* _RDMA_MR_POOL_H */