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IB/uverbs: Add WQ support

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User space applications which use RSS functionality need to create
a work queue object (WQ). The lifetime of such an object is:
 * Create a WQ
 * Modify the WQ from reset to init state.
 * Use the WQ (by downstream patches).
 * Destroy the WQ.

These commands are added to the uverbs API.

Signed-off-by: Yishai Hadas <[email protected]>
Signed-off-by: Matan Barak <[email protected]>
Reviewed-by: Sagi Grimberg <[email protected]>
Signed-off-by: Doug Ledford <[email protected]>
This commit is contained in:
Yishai Hadas 2016-05-23 15:20:49 +03:00 • committed by Doug Ledford
commit f213c05272
5 changed files with 321 additions and 0 deletions
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3
include/rdma/ib_verbs.h
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@ -562,6 +562,7 @@ enum ib_event_type {
IB_EVENT_QP_LAST_WQE_REACHED,
IB_EVENT_CLIENT_REREGISTER,
IB_EVENT_GID_CHANGE,
IB_EVENT_WQ_FATAL,
};
const char *__attribute_const__ ib_event_msg(enum ib_event_type event);
@ -572,6 +573,7 @@ struct ib_event {
struct ib_cq *cq;
struct ib_qp *qp;
struct ib_srq *srq;
struct ib_wq *wq;
u8 port_num;
} element;
enum ib_event_type event;
@ -1323,6 +1325,7 @@ struct ib_ucontext {
struct list_head ah_list;
struct list_head xrcd_list;
struct list_head rule_list;
struct list_head wq_list;
int closing;
struct pid *tgid;