diff options
Diffstat (limited to 'drivers/infiniband/core/verbs.c')
| -rw-r--r-- | drivers/infiniband/core/verbs.c | 67 |
1 files changed, 55 insertions, 12 deletions
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index 7c08ed0cd7d..506fdf1f2a2 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); } |