diff options
Diffstat (limited to 'drivers/staging/rdma/ipath')
-rw-r--r-- | drivers/staging/rdma/ipath/ipath_rc.c | 24 | ||||
-rw-r--r-- | drivers/staging/rdma/ipath/ipath_ruc.c | 16 | ||||
-rw-r--r-- | drivers/staging/rdma/ipath/ipath_uc.c | 4 | ||||
-rw-r--r-- | drivers/staging/rdma/ipath/ipath_ud.c | 26 | ||||
-rw-r--r-- | drivers/staging/rdma/ipath/ipath_verbs.c | 17 | ||||
-rw-r--r-- | drivers/staging/rdma/ipath/ipath_verbs.h | 8 |
6 files changed, 57 insertions, 38 deletions
diff --git a/drivers/staging/rdma/ipath/ipath_rc.c b/drivers/staging/rdma/ipath/ipath_rc.c index 79b3dbc97179..d4aa53574e57 100644 --- a/drivers/staging/rdma/ipath/ipath_rc.c +++ b/drivers/staging/rdma/ipath/ipath_rc.c @@ -350,9 +350,9 @@ int ipath_make_rc_req(struct ipath_qp *qp) goto bail; } ohdr->u.rc.reth.vaddr = - cpu_to_be64(wqe->wr.wr.rdma.remote_addr); + cpu_to_be64(wqe->rdma_wr.remote_addr); ohdr->u.rc.reth.rkey = - cpu_to_be32(wqe->wr.wr.rdma.rkey); + cpu_to_be32(wqe->rdma_wr.rkey); ohdr->u.rc.reth.length = cpu_to_be32(len); hwords += sizeof(struct ib_reth) / sizeof(u32); wqe->lpsn = wqe->psn; @@ -401,9 +401,9 @@ int ipath_make_rc_req(struct ipath_qp *qp) wqe->lpsn = qp->s_next_psn++; } ohdr->u.rc.reth.vaddr = - cpu_to_be64(wqe->wr.wr.rdma.remote_addr); + cpu_to_be64(wqe->rdma_wr.remote_addr); ohdr->u.rc.reth.rkey = - cpu_to_be32(wqe->wr.wr.rdma.rkey); + cpu_to_be32(wqe->rdma_wr.rkey); ohdr->u.rc.reth.length = cpu_to_be32(len); qp->s_state = OP(RDMA_READ_REQUEST); hwords += sizeof(ohdr->u.rc.reth) / sizeof(u32); @@ -433,21 +433,21 @@ int ipath_make_rc_req(struct ipath_qp *qp) if (wqe->wr.opcode == IB_WR_ATOMIC_CMP_AND_SWP) { qp->s_state = OP(COMPARE_SWAP); ohdr->u.atomic_eth.swap_data = cpu_to_be64( - wqe->wr.wr.atomic.swap); + wqe->atomic_wr.swap); ohdr->u.atomic_eth.compare_data = cpu_to_be64( - wqe->wr.wr.atomic.compare_add); + wqe->atomic_wr.compare_add); } else { qp->s_state = OP(FETCH_ADD); ohdr->u.atomic_eth.swap_data = cpu_to_be64( - wqe->wr.wr.atomic.compare_add); + wqe->atomic_wr.compare_add); ohdr->u.atomic_eth.compare_data = 0; } ohdr->u.atomic_eth.vaddr[0] = cpu_to_be32( - wqe->wr.wr.atomic.remote_addr >> 32); + wqe->atomic_wr.remote_addr >> 32); ohdr->u.atomic_eth.vaddr[1] = cpu_to_be32( - wqe->wr.wr.atomic.remote_addr); + wqe->atomic_wr.remote_addr); ohdr->u.atomic_eth.rkey = cpu_to_be32( - wqe->wr.wr.atomic.rkey); + wqe->atomic_wr.rkey); hwords += sizeof(struct ib_atomic_eth) / sizeof(u32); ss = NULL; len = 0; @@ -567,9 +567,9 @@ int ipath_make_rc_req(struct ipath_qp *qp) ipath_init_restart(qp, wqe); len = ((qp->s_psn - wqe->psn) & IPATH_PSN_MASK) * pmtu; ohdr->u.rc.reth.vaddr = - cpu_to_be64(wqe->wr.wr.rdma.remote_addr + len); + cpu_to_be64(wqe->rdma_wr.remote_addr + len); ohdr->u.rc.reth.rkey = - cpu_to_be32(wqe->wr.wr.rdma.rkey); + cpu_to_be32(wqe->rdma_wr.rkey); ohdr->u.rc.reth.length = cpu_to_be32(qp->s_len); qp->s_state = OP(RDMA_READ_REQUEST); hwords += sizeof(ohdr->u.rc.reth) / sizeof(u32); diff --git a/drivers/staging/rdma/ipath/ipath_ruc.c b/drivers/staging/rdma/ipath/ipath_ruc.c index 2296832f94da..e541a01f1f61 100644 --- a/drivers/staging/rdma/ipath/ipath_ruc.c +++ b/drivers/staging/rdma/ipath/ipath_ruc.c @@ -352,8 +352,8 @@ again: if (wqe->length == 0) break; if (unlikely(!ipath_rkey_ok(qp, &qp->r_sge, wqe->length, - wqe->wr.wr.rdma.remote_addr, - wqe->wr.wr.rdma.rkey, + wqe->rdma_wr.remote_addr, + wqe->rdma_wr.rkey, IB_ACCESS_REMOTE_WRITE))) goto acc_err; break; @@ -362,8 +362,8 @@ again: if (unlikely(!(qp->qp_access_flags & IB_ACCESS_REMOTE_READ))) goto inv_err; if (unlikely(!ipath_rkey_ok(qp, &sqp->s_sge, wqe->length, - wqe->wr.wr.rdma.remote_addr, - wqe->wr.wr.rdma.rkey, + wqe->rdma_wr.remote_addr, + wqe->rdma_wr.rkey, IB_ACCESS_REMOTE_READ))) goto acc_err; qp->r_sge.sge = wqe->sg_list[0]; @@ -376,18 +376,18 @@ again: if (unlikely(!(qp->qp_access_flags & IB_ACCESS_REMOTE_ATOMIC))) goto inv_err; if (unlikely(!ipath_rkey_ok(qp, &qp->r_sge, sizeof(u64), - wqe->wr.wr.atomic.remote_addr, - wqe->wr.wr.atomic.rkey, + wqe->atomic_wr.remote_addr, + wqe->atomic_wr.rkey, IB_ACCESS_REMOTE_ATOMIC))) goto acc_err; /* Perform atomic OP and save result. */ maddr = (atomic64_t *) qp->r_sge.sge.vaddr; - sdata = wqe->wr.wr.atomic.compare_add; + sdata = wqe->atomic_wr.compare_add; *(u64 *) sqp->s_sge.sge.vaddr = (wqe->wr.opcode == IB_WR_ATOMIC_FETCH_AND_ADD) ? (u64) atomic64_add_return(sdata, maddr) - sdata : (u64) cmpxchg((u64 *) qp->r_sge.sge.vaddr, - sdata, wqe->wr.wr.atomic.swap); + sdata, wqe->atomic_wr.swap); goto send_comp; default: diff --git a/drivers/staging/rdma/ipath/ipath_uc.c b/drivers/staging/rdma/ipath/ipath_uc.c index 22e60998f1a7..0246b30280b9 100644 --- a/drivers/staging/rdma/ipath/ipath_uc.c +++ b/drivers/staging/rdma/ipath/ipath_uc.c @@ -126,9 +126,9 @@ int ipath_make_uc_req(struct ipath_qp *qp) case IB_WR_RDMA_WRITE: case IB_WR_RDMA_WRITE_WITH_IMM: ohdr->u.rc.reth.vaddr = - cpu_to_be64(wqe->wr.wr.rdma.remote_addr); + cpu_to_be64(wqe->rdma_wr.remote_addr); ohdr->u.rc.reth.rkey = - cpu_to_be32(wqe->wr.wr.rdma.rkey); + cpu_to_be32(wqe->rdma_wr.rkey); ohdr->u.rc.reth.length = cpu_to_be32(len); hwords += sizeof(struct ib_reth) / 4; if (len > pmtu) { diff --git a/drivers/staging/rdma/ipath/ipath_ud.c b/drivers/staging/rdma/ipath/ipath_ud.c index 33fcfe206bc9..385d9410a51e 100644 --- a/drivers/staging/rdma/ipath/ipath_ud.c +++ b/drivers/staging/rdma/ipath/ipath_ud.c @@ -64,7 +64,7 @@ static void ipath_ud_loopback(struct ipath_qp *sqp, struct ipath_swqe *swqe) u32 rlen; u32 length; - qp = ipath_lookup_qpn(&dev->qp_table, swqe->wr.wr.ud.remote_qpn); + qp = ipath_lookup_qpn(&dev->qp_table, swqe->ud_wr.remote_qpn); if (!qp || !(ib_ipath_state_ops[qp->state] & IPATH_PROCESS_RECV_OK)) { dev->n_pkt_drops++; goto done; @@ -76,8 +76,8 @@ static void ipath_ud_loopback(struct ipath_qp *sqp, struct ipath_swqe *swqe) * qkey from the QP context instead of the WR (see 10.2.5). */ if (unlikely(qp->ibqp.qp_num && - ((int) swqe->wr.wr.ud.remote_qkey < 0 ? - sqp->qkey : swqe->wr.wr.ud.remote_qkey) != qp->qkey)) { + ((int) swqe->ud_wr.remote_qkey < 0 ? + sqp->qkey : swqe->ud_wr.remote_qkey) != qp->qkey)) { /* XXX OK to lose a count once in a while. */ dev->qkey_violations++; dev->n_pkt_drops++; @@ -174,7 +174,7 @@ static void ipath_ud_loopback(struct ipath_qp *sqp, struct ipath_swqe *swqe) } else spin_unlock_irqrestore(&rq->lock, flags); - ah_attr = &to_iah(swqe->wr.wr.ud.ah)->attr; + ah_attr = &to_iah(swqe->ud_wr.ah)->attr; if (ah_attr->ah_flags & IB_AH_GRH) { ipath_copy_sge(&rsge, &ah_attr->grh, sizeof(struct ib_grh)); wc.wc_flags |= IB_WC_GRH; @@ -224,7 +224,7 @@ static void ipath_ud_loopback(struct ipath_qp *sqp, struct ipath_swqe *swqe) wc.port_num = 1; /* Signal completion event if the solicited bit is set. */ ipath_cq_enter(to_icq(qp->ibqp.recv_cq), &wc, - swqe->wr.send_flags & IB_SEND_SOLICITED); + swqe->ud_wr.wr.send_flags & IB_SEND_SOLICITED); drop: if (atomic_dec_and_test(&qp->refcount)) wake_up(&qp->wait); @@ -279,7 +279,7 @@ int ipath_make_ud_req(struct ipath_qp *qp) next_cur = 0; /* Construct the header. */ - ah_attr = &to_iah(wqe->wr.wr.ud.ah)->attr; + ah_attr = &to_iah(wqe->ud_wr.ah)->attr; if (ah_attr->dlid >= IPATH_MULTICAST_LID_BASE) { if (ah_attr->dlid != IPATH_PERMISSIVE_LID) dev->n_multicast_xmit++; @@ -321,7 +321,7 @@ int ipath_make_ud_req(struct ipath_qp *qp) qp->s_wqe = wqe; qp->s_sge.sge = wqe->sg_list[0]; qp->s_sge.sg_list = wqe->sg_list + 1; - qp->s_sge.num_sge = wqe->wr.num_sge; + qp->s_sge.num_sge = wqe->ud_wr.wr.num_sge; if (ah_attr->ah_flags & IB_AH_GRH) { /* Header size in 32-bit words. */ @@ -339,9 +339,9 @@ int ipath_make_ud_req(struct ipath_qp *qp) lrh0 = IPATH_LRH_BTH; ohdr = &qp->s_hdr.u.oth; } - if (wqe->wr.opcode == IB_WR_SEND_WITH_IMM) { + if (wqe->ud_wr.wr.opcode == IB_WR_SEND_WITH_IMM) { qp->s_hdrwords++; - ohdr->u.ud.imm_data = wqe->wr.ex.imm_data; + ohdr->u.ud.imm_data = wqe->ud_wr.wr.ex.imm_data; bth0 = IB_OPCODE_UD_SEND_ONLY_WITH_IMMEDIATE << 24; } else bth0 = IB_OPCODE_UD_SEND_ONLY << 24; @@ -359,7 +359,7 @@ int ipath_make_ud_req(struct ipath_qp *qp) qp->s_hdr.lrh[3] = cpu_to_be16(lid); } else qp->s_hdr.lrh[3] = IB_LID_PERMISSIVE; - if (wqe->wr.send_flags & IB_SEND_SOLICITED) + if (wqe->ud_wr.wr.send_flags & IB_SEND_SOLICITED) bth0 |= 1 << 23; bth0 |= extra_bytes << 20; bth0 |= qp->ibqp.qp_type == IB_QPT_SMI ? IPATH_DEFAULT_P_KEY : @@ -371,14 +371,14 @@ int ipath_make_ud_req(struct ipath_qp *qp) ohdr->bth[1] = ah_attr->dlid >= IPATH_MULTICAST_LID_BASE && ah_attr->dlid != IPATH_PERMISSIVE_LID ? cpu_to_be32(IPATH_MULTICAST_QPN) : - cpu_to_be32(wqe->wr.wr.ud.remote_qpn); + cpu_to_be32(wqe->ud_wr.remote_qpn); ohdr->bth[2] = cpu_to_be32(qp->s_next_psn++ & IPATH_PSN_MASK); /* * Qkeys with the high order bit set mean use the * qkey from the QP context instead of the WR (see 10.2.5). */ - ohdr->u.ud.deth[0] = cpu_to_be32((int)wqe->wr.wr.ud.remote_qkey < 0 ? - qp->qkey : wqe->wr.wr.ud.remote_qkey); + ohdr->u.ud.deth[0] = cpu_to_be32((int)wqe->ud_wr.remote_qkey < 0 ? + qp->qkey : wqe->ud_wr.remote_qkey); ohdr->u.ud.deth[1] = cpu_to_be32(qp->ibqp.qp_num); done: diff --git a/drivers/staging/rdma/ipath/ipath_verbs.c b/drivers/staging/rdma/ipath/ipath_verbs.c index a2fb41bba117..1778dee13f99 100644 --- a/drivers/staging/rdma/ipath/ipath_verbs.c +++ b/drivers/staging/rdma/ipath/ipath_verbs.c @@ -374,7 +374,7 @@ static int ipath_post_one_send(struct ipath_qp *qp, struct ib_send_wr *wr) wr->opcode != IB_WR_SEND_WITH_IMM) goto bail_inval; /* Check UD destination address PD */ - if (qp->ibqp.pd != wr->wr.ud.ah->pd) + if (qp->ibqp.pd != ud_wr(wr)->ah->pd) goto bail_inval; } else if ((unsigned) wr->opcode > IB_WR_ATOMIC_FETCH_AND_ADD) goto bail_inval; @@ -395,7 +395,20 @@ static int ipath_post_one_send(struct ipath_qp *qp, struct ib_send_wr *wr) } wqe = get_swqe_ptr(qp, qp->s_head); - wqe->wr = *wr; + + if (qp->ibqp.qp_type != IB_QPT_UC && + qp->ibqp.qp_type != IB_QPT_RC) + memcpy(&wqe->ud_wr, ud_wr(wr), sizeof(wqe->ud_wr)); + else if (wr->opcode == IB_WR_RDMA_WRITE_WITH_IMM || + wr->opcode == IB_WR_RDMA_WRITE || + wr->opcode == IB_WR_RDMA_READ) + memcpy(&wqe->rdma_wr, rdma_wr(wr), sizeof(wqe->rdma_wr)); + else if (wr->opcode == IB_WR_ATOMIC_CMP_AND_SWP || + wr->opcode == IB_WR_ATOMIC_FETCH_AND_ADD) + memcpy(&wqe->atomic_wr, atomic_wr(wr), sizeof(wqe->atomic_wr)); + else + memcpy(&wqe->wr, wr, sizeof(wqe->wr)); + wqe->length = 0; if (wr->num_sge) { acc = wr->opcode >= IB_WR_RDMA_READ ? diff --git a/drivers/staging/rdma/ipath/ipath_verbs.h b/drivers/staging/rdma/ipath/ipath_verbs.h index ec167e545e15..0a90a56870ab 100644 --- a/drivers/staging/rdma/ipath/ipath_verbs.h +++ b/drivers/staging/rdma/ipath/ipath_verbs.h @@ -277,7 +277,13 @@ struct ipath_mr { * in qp->s_max_sge. */ struct ipath_swqe { - struct ib_send_wr wr; /* don't use wr.sg_list */ + union { + struct ib_send_wr wr; /* don't use wr.sg_list */ + struct ib_ud_wr ud_wr; + struct ib_rdma_wr rdma_wr; + struct ib_atomic_wr atomic_wr; + }; + u32 psn; /* first packet sequence number */ u32 lpsn; /* last packet sequence number */ u32 ssn; /* send sequence number */ |