MERGE-via-pending-tracking-hist-MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141

pending-tracking-hist top was MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141 / fdf777a63bcb59e0dfd78bfe2c6242e01f6d4eb9 ... parent commitmessage:
From: merge <null@invalid>
MERGE-via-stable-tracking-hist-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040

stable-tracking-hist top was MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 / 90463bfd2d5a3c8b52f6e6d71024a00e052b0ced ... parent commitmessage:
From: merge <null@invalid>
MERGE-via-mokopatches-tracking-hist-fix-stray-endmenu-patch

mokopatches-tracking-hist top was fix-stray-endmenu-patch / 3630e0be570de8057e7f8d2fe501ed353cdf34e6 ... parent commitmessage:
From: Andy Green <andy@openmoko.com>
fix-stray-endmenu.patch

Signed-off-by: Andy Green <andy@openmoko.com>

1 files changed, 41 insertions, 22 deletions

diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c
index 4d54b9f6456..00c10815971 100644
--- a/drivers/infiniband/hw/ehca/ehca_qp.c
+++ b/drivers/infiniband/hw/ehca/ehca_qp.c
@@ -331,7 +331,7 @@ static inline int init_qp_queue(struct ehca_shca *shca,
 		if (cnt == (nr_q_pages - 1)) {	/* last page! */
 			if (h_ret != expected_hret) {
 				ehca_err(ib_dev, "hipz_qp_register_rpage() "
-					 "h_ret=%li", h_ret);
+					 "h_ret=%lli", h_ret);
 				ret = ehca2ib_return_code(h_ret);
 				goto init_qp_queue1;
 			}
@@ -345,7 +345,7 @@ static inline int init_qp_queue(struct ehca_shca *shca,
 		} else {
 			if (h_ret != H_PAGE_REGISTERED) {
 				ehca_err(ib_dev, "hipz_qp_register_rpage() "
-					 "h_ret=%li", h_ret);
+					 "h_ret=%lli", h_ret);
 				ret = ehca2ib_return_code(h_ret);
 				goto init_qp_queue1;
 			}
@@ -435,9 +435,13 @@ static void reset_queue_map(struct ehca_queue_map *qmap)
 {
 	int i;
 
-	qmap->tail = 0;
-	for (i = 0; i < qmap->entries; i++)
+	qmap->tail = qmap->entries - 1;
+	qmap->left_to_poll = 0;
+	qmap->next_wqe_idx = 0;
+	for (i = 0; i < qmap->entries; i++) {
 		qmap->map[i].reported = 1;
+		qmap->map[i].cqe_req = 0;
+	}
 }
 
 /*
@@ -705,7 +709,7 @@ static struct ehca_qp *internal_create_qp(
 
 	h_ret = hipz_h_alloc_resource_qp(shca->ipz_hca_handle, &parms);
 	if (h_ret != H_SUCCESS) {
-		ehca_err(pd->device, "h_alloc_resource_qp() failed h_ret=%li",
+		ehca_err(pd->device, "h_alloc_resource_qp() failed h_ret=%lli",
 			 h_ret);
 		ret = ehca2ib_return_code(h_ret);
 		goto create_qp_exit1;
@@ -860,6 +864,11 @@ static struct ehca_qp *internal_create_qp(
 	if (qp_type == IB_QPT_GSI) {
 		h_ret = ehca_define_sqp(shca, my_qp, init_attr);
 		if (h_ret != H_SUCCESS) {
+			kfree(my_qp->mod_qp_parm);
+			my_qp->mod_qp_parm = NULL;
+			/* the QP pointer is no longer valid */
+			shca->sport[init_attr->port_num - 1].ibqp_sqp[qp_type] =
+				NULL;
 			ret = ehca2ib_return_code(h_ret);
 			goto create_qp_exit6;
 		}
@@ -1001,7 +1010,7 @@ struct ib_srq *ehca_create_srq(struct ib_pd *pd,
 				mqpcb, my_qp->galpas.kernel);
 	if (hret != H_SUCCESS) {
 		ehca_err(pd->device, "Could not modify SRQ to INIT "
-			 "ehca_qp=%p qp_num=%x h_ret=%li",
+			 "ehca_qp=%p qp_num=%x h_ret=%lli",
 			 my_qp, my_qp->real_qp_num, hret);
 		goto create_srq2;
 	}
@@ -1015,7 +1024,7 @@ struct ib_srq *ehca_create_srq(struct ib_pd *pd,
 				mqpcb, my_qp->galpas.kernel);
 	if (hret != H_SUCCESS) {
 		ehca_err(pd->device, "Could not enable SRQ "
-			 "ehca_qp=%p qp_num=%x h_ret=%li",
+			 "ehca_qp=%p qp_num=%x h_ret=%lli",
 			 my_qp, my_qp->real_qp_num, hret);
 		goto create_srq2;
 	}
@@ -1029,7 +1038,7 @@ struct ib_srq *ehca_create_srq(struct ib_pd *pd,
 				mqpcb, my_qp->galpas.kernel);
 	if (hret != H_SUCCESS) {
 		ehca_err(pd->device, "Could not modify SRQ to RTR "
-			 "ehca_qp=%p qp_num=%x h_ret=%li",
+			 "ehca_qp=%p qp_num=%x h_ret=%lli",
 			 my_qp, my_qp->real_qp_num, hret);
 		goto create_srq2;
 	}
@@ -1069,7 +1078,7 @@ static int prepare_sqe_rts(struct ehca_qp *my_qp, struct ehca_shca *shca,
 					   &bad_send_wqe_p, NULL, 2);
 	if (h_ret != H_SUCCESS) {
 		ehca_err(&shca->ib_device, "hipz_h_disable_and_get_wqe() failed"
-			 " ehca_qp=%p qp_num=%x h_ret=%li",
+			 " ehca_qp=%p qp_num=%x h_ret=%lli",
 			 my_qp, qp_num, h_ret);
 		return ehca2ib_return_code(h_ret);
 	}
@@ -1116,6 +1125,7 @@ static int calc_left_cqes(u64 wqe_p, struct ipz_queue *ipz_queue,
 	void *wqe_v;
 	u64 q_ofs;
 	u32 wqe_idx;
+	unsigned int tail_idx;
 
 	/* convert real to abs address */
 	wqe_p = wqe_p & (~(1UL << 63));
@@ -1124,16 +1134,21 @@ static int calc_left_cqes(u64 wqe_p, struct ipz_queue *ipz_queue,
 
 	if (ipz_queue_abs_to_offset(ipz_queue, wqe_p, &q_ofs)) {
 		ehca_gen_err("Invalid offset for calculating left cqes "
-				"wqe_p=%#lx wqe_v=%p\n", wqe_p, wqe_v);
+				"wqe_p=%#llx wqe_v=%p\n", wqe_p, wqe_v);
 		return -EFAULT;
 	}
 
+	tail_idx = next_index(qmap->tail, qmap->entries);
 	wqe_idx = q_ofs / ipz_queue->qe_size;
-	if (wqe_idx < qmap->tail)
-		qmap->left_to_poll = (qmap->entries - qmap->tail) + wqe_idx;
-	else
-		qmap->left_to_poll = wqe_idx - qmap->tail;
 
+	/* check all processed wqes, whether a cqe is requested or not */
+	while (tail_idx != wqe_idx) {
+		if (qmap->map[tail_idx].cqe_req)
+			qmap->left_to_poll++;
+		tail_idx = next_index(tail_idx, qmap->entries);
+	}
+	/* save index in queue, where we have to start flushing */
+	qmap->next_wqe_idx = wqe_idx;
 	return 0;
 }
 
@@ -1153,7 +1168,7 @@ static int check_for_left_cqes(struct ehca_qp *my_qp, struct ehca_shca *shca)
 				&send_wqe_p, &recv_wqe_p, 4);
 		if (h_ret != H_SUCCESS) {
 			ehca_err(&shca->ib_device, "disable_and_get_wqe() "
-				 "failed ehca_qp=%p qp_num=%x h_ret=%li",
+				 "failed ehca_qp=%p qp_num=%x h_ret=%lli",
 				 my_qp, qp_num, h_ret);
 			return ehca2ib_return_code(h_ret);
 		}
@@ -1180,10 +1195,14 @@ static int check_for_left_cqes(struct ehca_qp *my_qp, struct ehca_shca *shca)
 	} else {
 		spin_lock_irqsave(&my_qp->send_cq->spinlock, flags);
 		my_qp->sq_map.left_to_poll = 0;
+		my_qp->sq_map.next_wqe_idx = next_index(my_qp->sq_map.tail,
+							my_qp->sq_map.entries);
 		spin_unlock_irqrestore(&my_qp->send_cq->spinlock, flags);
 
 		spin_lock_irqsave(&my_qp->recv_cq->spinlock, flags);
 		my_qp->rq_map.left_to_poll = 0;
+		my_qp->rq_map.next_wqe_idx = next_index(my_qp->rq_map.tail,
+							my_qp->rq_map.entries);
 		spin_unlock_irqrestore(&my_qp->recv_cq->spinlock, flags);
 	}
 
@@ -1242,7 +1261,7 @@ static int internal_modify_qp(struct ib_qp *ibqp,
 				mqpcb, my_qp->galpas.kernel);
 	if (h_ret != H_SUCCESS) {
 		ehca_err(ibqp->device, "hipz_h_query_qp() failed "
-			 "ehca_qp=%p qp_num=%x h_ret=%li",
+			 "ehca_qp=%p qp_num=%x h_ret=%lli",
 			 my_qp, ibqp->qp_num, h_ret);
 		ret = ehca2ib_return_code(h_ret);
 		goto modify_qp_exit1;
@@ -1671,7 +1690,7 @@ static int internal_modify_qp(struct ib_qp *ibqp,
 
 	if (h_ret != H_SUCCESS) {
 		ret = ehca2ib_return_code(h_ret);
-		ehca_err(ibqp->device, "hipz_h_modify_qp() failed h_ret=%li "
+		ehca_err(ibqp->device, "hipz_h_modify_qp() failed h_ret=%lli "
 			 "ehca_qp=%p qp_num=%x", h_ret, my_qp, ibqp->qp_num);
 		goto modify_qp_exit2;
 	}
@@ -1704,7 +1723,7 @@ static int internal_modify_qp(struct ib_qp *ibqp,
 			ret = ehca2ib_return_code(h_ret);
 			ehca_err(ibqp->device, "ENABLE in context of "
 				 "RESET_2_INIT failed! Maybe you didn't get "
-				 "a LID h_ret=%li ehca_qp=%p qp_num=%x",
+				 "a LID h_ret=%lli ehca_qp=%p qp_num=%x",
 				 h_ret, my_qp, ibqp->qp_num);
 			goto modify_qp_exit2;
 		}
@@ -1890,7 +1909,7 @@ int ehca_query_qp(struct ib_qp *qp,
 	if (h_ret != H_SUCCESS) {
 		ret = ehca2ib_return_code(h_ret);
 		ehca_err(qp->device, "hipz_h_query_qp() failed "
-			 "ehca_qp=%p qp_num=%x h_ret=%li",
+			 "ehca_qp=%p qp_num=%x h_ret=%lli",
 			 my_qp, qp->qp_num, h_ret);
 		goto query_qp_exit1;
 	}
@@ -2055,7 +2074,7 @@ int ehca_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
 
 	if (h_ret != H_SUCCESS) {
 		ret = ehca2ib_return_code(h_ret);
-		ehca_err(ibsrq->device, "hipz_h_modify_qp() failed h_ret=%li "
+		ehca_err(ibsrq->device, "hipz_h_modify_qp() failed h_ret=%lli "
 			 "ehca_qp=%p qp_num=%x",
 			 h_ret, my_qp, my_qp->real_qp_num);
 	}
@@ -2089,7 +2108,7 @@ int ehca_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr)
 	if (h_ret != H_SUCCESS) {
 		ret = ehca2ib_return_code(h_ret);
 		ehca_err(srq->device, "hipz_h_query_qp() failed "
-			 "ehca_qp=%p qp_num=%x h_ret=%li",
+			 "ehca_qp=%p qp_num=%x h_ret=%lli",
 			 my_qp, my_qp->real_qp_num, h_ret);
 		goto query_srq_exit1;
 	}
@@ -2160,7 +2179,7 @@ static int internal_destroy_qp(struct ib_device *dev, struct ehca_qp *my_qp,
 
 	h_ret = hipz_h_destroy_qp(shca->ipz_hca_handle, my_qp);
 	if (h_ret != H_SUCCESS) {
-		ehca_err(dev, "hipz_h_destroy_qp() failed h_ret=%li "
+		ehca_err(dev, "hipz_h_destroy_qp() failed h_ret=%lli "
 			 "ehca_qp=%p qp_num=%x", h_ret, my_qp, qp_num);
 		return ehca2ib_return_code(h_ret);
 	}