Commit 679eb25d authored by Dean Luick's avatar Dean Luick Committed by Leon Romanovsky
Browse files

RDMA/rdmavt: Add ucontext alloc/dealloc passthrough 



Add a private data pointer to the ucontext structure and add
per-client pass-throughs.

Signed-off-by: default avatarDean Luick <dean.luick@cornelisnetworks.com>
Signed-off-by: default avatarDennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Link: https://patch.msgid.link/177325008318.52243.7367786996925601681.stgit@awdrv-04.cornelisnetworks.com


Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
parent 786ee8dd

drivers/infiniband/sw/rdmavt/vt.c

+8 −0
Original line number Diff line number Diff line
@@ -244,6 +244,10 @@ static int rvt_query_gid(struct ib_device *ibdev, u32 port_num, 
 */

static int rvt_alloc_ucontext(struct ib_ucontext *uctx, struct ib_udata *udata)

{

	struct rvt_dev_info *rdi = ib_to_rvt(uctx->device);



	if (rdi->driver_f.alloc_ucontext)

		return rdi->driver_f.alloc_ucontext(uctx, udata);

	return 0;

}
@@ -253,6 +257,10 @@ static int rvt_alloc_ucontext(struct ib_ucontext *uctx, struct ib_udata *udata) 
 */

static void rvt_dealloc_ucontext(struct ib_ucontext *context)

{

	struct rvt_dev_info *rdi = ib_to_rvt(context->device);



	if (rdi->driver_f.dealloc_ucontext)

		rdi->driver_f.dealloc_ucontext(context);

	return;

}

include/rdma/rdma_vt.h

+7 −0
Original line number Diff line number Diff line
@@ -149,6 +149,7 @@ struct rvt_driver_params { 
/* User context */

struct rvt_ucontext {

	struct ib_ucontext ibucontext;

	void *priv;

};



/* Protection domain */
@@ -359,6 +360,12 @@ struct rvt_driver_provided { 


	/* Get and return CPU to pin CQ processing thread */

	int (*comp_vect_cpu_lookup)(struct rvt_dev_info *rdi, int comp_vect);



	/* allocate a ucontext */

	int (*alloc_ucontext)(struct ib_ucontext *uctx, struct ib_udata *udata);



	/* deallocate a ucontext */

	void (*dealloc_ucontext)(struct ib_ucontext *context);

};



struct rvt_dev_info {