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Commit 6c43cf4b authored by Harish Chegondi's avatar Harish Chegondi Committed by Doug Ledford
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IB/rdmavt: Add IB user context allocation and de-alloction functions 



Adding IB user context alloc and dealloc functions to rdmavt so that the
drivers that use rdmavt can use these functions instead of defining their
own functions.

Reviewed-by: default avatarIra Weiny <ira.weiny@intel.com>
Signed-off-by: default avatarHarish Chegondi <harish.chegondi@intel.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent 894c727b

drivers/infiniband/sw/rdmavt/vt.c

+18 −2
Original line number Diff line number Diff line
@@ -189,6 +189,16 @@ static int rvt_query_gid(struct ib_device *ibdev, u8 port, 
	return -EOPNOTSUPP;

}



struct rvt_ucontext {

	struct ib_ucontext ibucontext;

};



static inline struct rvt_ucontext *to_iucontext(struct ib_ucontext

						*ibucontext)

{

	return container_of(ibucontext, struct rvt_ucontext, ibucontext);

}



/**

 * rvt_alloc_ucontext - Allocate a user context

 * @ibdev: Vers IB dev
@@ -197,7 +207,12 @@ static int rvt_query_gid(struct ib_device *ibdev, u8 port, 
static struct ib_ucontext *rvt_alloc_ucontext(struct ib_device *ibdev,

					      struct ib_udata *udata)

{

	return ERR_PTR(-EOPNOTSUPP);

	struct rvt_ucontext *context;



	context = kmalloc(sizeof(*context), GFP_KERNEL);

	if (!context)

		return ERR_PTR(-ENOMEM);

	return &context->ibucontext;

}



/**
@@ -206,7 +221,8 @@ static struct ib_ucontext *rvt_alloc_ucontext(struct ib_device *ibdev, 
 */

static int rvt_dealloc_ucontext(struct ib_ucontext *context)

{

	return -EOPNOTSUPP;

	kfree(to_iucontext(context));

	return 0;

}



static int rvt_get_port_immutable(struct ib_device *ibdev, u8 port_num,