Commit 441633b9 authored by Stefan Roscher's avatar Stefan Roscher Committed by Roland Dreier
Browse files

IB/ehca: Small QP userspace support 



Signed-off-by: default avatarJoachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent a855b1a7

drivers/infiniband/hw/ehca/ehca_qp.c

+3 −4
Original line number Diff line number Diff line
@@ -273,6 +273,7 @@ static inline void queue2resp(struct ipzu_queue_resp *resp, 
	resp->queue_length = queue->queue_length;

	resp->pagesize = queue->pagesize;

	resp->toggle_state = queue->toggle_state;

	resp->offset = queue->offset;

}



/*
@@ -598,8 +599,7 @@ static struct ehca_qp *internal_create_qp( 
	parms.squeue.max_sge = max_send_sge;

	parms.rqueue.max_sge = max_recv_sge;



	if (EHCA_BMASK_GET(HCA_CAP_MINI_QP, shca->hca_cap)

	    && !(context && udata)) { /* no small QP support in userspace ATM */

	if (EHCA_BMASK_GET(HCA_CAP_MINI_QP, shca->hca_cap)) {

		if (HAS_SQ(my_qp))

			ehca_determine_small_queue(

				&parms.squeue, max_send_sge, is_llqp);
@@ -739,8 +739,7 @@ static struct ehca_qp *internal_create_qp( 
		resp.ext_type = my_qp->ext_type;

		resp.qkey = my_qp->qkey;

		resp.real_qp_num = my_qp->real_qp_num;

		resp.ipz_rqueue.offset = my_qp->ipz_rqueue.offset;

		resp.ipz_squeue.offset = my_qp->ipz_squeue.offset;



		if (HAS_SQ(my_qp))

			queue2resp(&resp.ipz_squeue, &my_qp->ipz_squeue);

		if (HAS_RQ(my_qp))

drivers/infiniband/hw/ehca/ipz_pt_fn.c

+1 −0
Original line number Diff line number Diff line
@@ -158,6 +158,7 @@ static int alloc_small_queue_page(struct ipz_queue *queue, struct ehca_pd *pd) 


	queue->queue_pages[0] = (void *)(page->page | (bit << (order + 9)));

	queue->small_page = page;

	queue->offset = bit << (order + 9);

	return 1;



out: