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IB/core: add a simple MR pool

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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>
This commit is contained in:
Christoph Hellwig
2016-05-03 18:01:07 +02:00
committed by Doug Ledford
parent 04c41bf39f
commit fffb0383cf
5 changed files with 124 additions and 2 deletions
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8
include/rdma/ib_verbs.h
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@@ -1421,9 +1421,12 @@ struct ib_qp {
struct ib_pd *pd;
struct ib_cq *send_cq;
struct ib_cq *recv_cq;
spinlock_t mr_lock;
int mrs_used;
struct ib_srq *srq;
struct ib_xrcd *xrcd; /* XRC TGT QPs only */
struct list_head xrcd_list;
/* count times opened, mcast attaches, flow attaches */
atomic_t usecnt;
struct list_head open_list;
@@ -1438,12 +1441,15 @@ struct ib_qp {
struct ib_mr {
struct ib_device *device;
struct ib_pd *pd;
struct ib_uobject *uobject;
u32 lkey;
u32 rkey;
u64 iova;
u32 length;
unsigned int page_size;
union {
struct ib_uobject *uobject; /* user */
struct list_head qp_entry; /* FR */
};
};
struct ib_mw {