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path: root/drivers/infiniband/core/verbs.c
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Diffstat (limited to 'drivers/infiniband/core/verbs.c')
-rw-r--r--drivers/infiniband/core/verbs.c67
1 files changed, 55 insertions, 12 deletions
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index 7c08ed0cd7dd..506fdf1f2a26 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -4,6 +4,7 @@
* Copyright (c) 2004 Intel Corporation. All rights reserved.
* Copyright (c) 2004 Topspin Corporation. All rights reserved.
* Copyright (c) 2004 Voltaire Corporation. All rights reserved.
+ * Copyright (c) 2005 Cisco Systems. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
@@ -40,6 +41,7 @@
#include <linux/err.h>
#include <ib_verbs.h>
+#include <ib_cache.h>
/* Protection domains */
@@ -47,10 +49,11 @@ struct ib_pd *ib_alloc_pd(struct ib_device *device)
{
struct ib_pd *pd;
- pd = device->alloc_pd(device);
+ pd = device->alloc_pd(device, NULL, NULL);
if (!IS_ERR(pd)) {
- pd->device = device;
+ pd->device = device;
+ pd->uobject = NULL;
atomic_set(&pd->usecnt, 0);
}
@@ -76,8 +79,9 @@ struct ib_ah *ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr)
ah = pd->device->create_ah(pd, ah_attr);
if (!IS_ERR(ah)) {
- ah->device = pd->device;
- ah->pd = pd;
+ ah->device = pd->device;
+ ah->pd = pd;
+ ah->uobject = NULL;
atomic_inc(&pd->usecnt);
}
@@ -85,6 +89,40 @@ struct ib_ah *ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr)
}
EXPORT_SYMBOL(ib_create_ah);
+struct ib_ah *ib_create_ah_from_wc(struct ib_pd *pd, struct ib_wc *wc,
+ struct ib_grh *grh, u8 port_num)
+{
+ struct ib_ah_attr ah_attr;
+ u32 flow_class;
+ u16 gid_index;
+ int ret;
+
+ memset(&ah_attr, 0, sizeof ah_attr);
+ ah_attr.dlid = wc->slid;
+ ah_attr.sl = wc->sl;
+ ah_attr.src_path_bits = wc->dlid_path_bits;
+ ah_attr.port_num = port_num;
+
+ if (wc->wc_flags & IB_WC_GRH) {
+ ah_attr.ah_flags = IB_AH_GRH;
+ ah_attr.grh.dgid = grh->dgid;
+
+ ret = ib_find_cached_gid(pd->device, &grh->sgid, &port_num,
+ &gid_index);
+ if (ret)
+ return ERR_PTR(ret);
+
+ ah_attr.grh.sgid_index = (u8) gid_index;
+ flow_class = be32_to_cpu(grh->version_tclass_flow);
+ ah_attr.grh.flow_label = flow_class & 0xFFFFF;
+ ah_attr.grh.traffic_class = (flow_class >> 20) & 0xFF;
+ ah_attr.grh.hop_limit = grh->hop_limit;
+ }
+
+ return ib_create_ah(pd, &ah_attr);
+}
+EXPORT_SYMBOL(ib_create_ah_from_wc);
+
int ib_modify_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr)
{
return ah->device->modify_ah ?
@@ -122,7 +160,7 @@ struct ib_qp *ib_create_qp(struct ib_pd *pd,
{
struct ib_qp *qp;
- qp = pd->device->create_qp(pd, qp_init_attr);
+ qp = pd->device->create_qp(pd, qp_init_attr, NULL);
if (!IS_ERR(qp)) {
qp->device = pd->device;
@@ -130,6 +168,7 @@ struct ib_qp *ib_create_qp(struct ib_pd *pd,
qp->send_cq = qp_init_attr->send_cq;
qp->recv_cq = qp_init_attr->recv_cq;
qp->srq = qp_init_attr->srq;
+ qp->uobject = NULL;
qp->event_handler = qp_init_attr->event_handler;
qp->qp_context = qp_init_attr->qp_context;
qp->qp_type = qp_init_attr->qp_type;
@@ -197,10 +236,11 @@ struct ib_cq *ib_create_cq(struct ib_device *device,
{
struct ib_cq *cq;
- cq = device->create_cq(device, cqe);
+ cq = device->create_cq(device, cqe, NULL, NULL);
if (!IS_ERR(cq)) {
cq->device = device;
+ cq->uobject = NULL;
cq->comp_handler = comp_handler;
cq->event_handler = event_handler;
cq->cq_context = cq_context;
@@ -245,8 +285,9 @@ struct ib_mr *ib_get_dma_mr(struct ib_pd *pd, int mr_access_flags)
mr = pd->device->get_dma_mr(pd, mr_access_flags);
if (!IS_ERR(mr)) {
- mr->device = pd->device;
- mr->pd = pd;
+ mr->device = pd->device;
+ mr->pd = pd;
+ mr->uobject = NULL;
atomic_inc(&pd->usecnt);
atomic_set(&mr->usecnt, 0);
}
@@ -267,8 +308,9 @@ struct ib_mr *ib_reg_phys_mr(struct ib_pd *pd,
mr_access_flags, iova_start);
if (!IS_ERR(mr)) {
- mr->device = pd->device;
- mr->pd = pd;
+ mr->device = pd->device;
+ mr->pd = pd;
+ mr->uobject = NULL;
atomic_inc(&pd->usecnt);
atomic_set(&mr->usecnt, 0);
}
@@ -344,8 +386,9 @@ struct ib_mw *ib_alloc_mw(struct ib_pd *pd)
mw = pd->device->alloc_mw(pd);
if (!IS_ERR(mw)) {
- mw->device = pd->device;
- mw->pd = pd;
+ mw->device = pd->device;
+ mw->pd = pd;
+ mw->uobject = NULL;
atomic_inc(&pd->usecnt);
}