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Subject[PATCH 01/12] IB/ehca: Small QP userspace support
Date
From: Stefan Roscher <stefan.roscher@de.ibm.com>

Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
---
drivers/infiniband/hw/ehca/ehca_qp.c | 7 +++----
drivers/infiniband/hw/ehca/ipz_pt_fn.c | 1 +
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c
index 84d435a..13b61c3 100644
--- a/drivers/infiniband/hw/ehca/ehca_qp.c
+++ b/drivers/infiniband/hw/ehca/ehca_qp.c
@@ -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);
@@ -741,8 +741,7 @@ 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))
diff --git a/drivers/infiniband/hw/ehca/ipz_pt_fn.c b/drivers/infiniband/hw/ehca/ipz_pt_fn.c
index 29bd476..661f8db 100644
--- a/drivers/infiniband/hw/ehca/ipz_pt_fn.c
+++ b/drivers/infiniband/hw/ehca/ipz_pt_fn.c
@@ -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:
--
1.5.2

-
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