254 lines
7.5 KiB
C
254 lines
7.5 KiB
C
/**************************************************************************
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Copyright (c) 2007, Chelsio Inc.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Neither the name of the Chelsio Corporation nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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***************************************************************************/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <sys/module.h>
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#include <sys/pciio.h>
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#include <sys/conf.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/bus_dma.h>
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#include <sys/rman.h>
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#include <sys/ioccom.h>
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#include <sys/mbuf.h>
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#include <sys/mutex.h>
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#include <sys/rwlock.h>
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#include <sys/linker.h>
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#include <sys/firmware.h>
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#include <sys/socket.h>
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#include <sys/sockio.h>
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#include <sys/smp.h>
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#include <sys/sysctl.h>
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#include <sys/syslog.h>
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#include <sys/queue.h>
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#include <sys/taskqueue.h>
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#include <sys/proc.h>
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#include <sys/queue.h>
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#include <sys/libkern.h>
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#include <netinet/in.h>
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#include <contrib/rdma/ib_verbs.h>
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#include <contrib/rdma/ib_umem.h>
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#include <contrib/rdma/ib_user_verbs.h>
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#include <cxgb_include.h>
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#include <ulp/iw_cxgb/iw_cxgb_wr.h>
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#include <ulp/iw_cxgb/iw_cxgb_hal.h>
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#include <ulp/iw_cxgb/iw_cxgb_provider.h>
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#include <ulp/iw_cxgb/iw_cxgb_cm.h>
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#include <ulp/iw_cxgb/iw_cxgb.h>
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#include <ulp/iw_cxgb/iw_cxgb_resource.h>
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#include <ulp/iw_cxgb/iw_cxgb_user.h>
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static void
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post_qp_event(struct iwch_dev *rnicp, struct iwch_qp *qhp, struct iwch_cq *chp,
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struct respQ_msg_t *rsp_msg,
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enum ib_event_type ib_event,
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int send_term)
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{
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struct ib_event event;
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struct iwch_qp_attributes attrs;
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if ((qhp->attr.state == IWCH_QP_STATE_ERROR) ||
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(qhp->attr.state == IWCH_QP_STATE_TERMINATE)) {
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CTR4(KTR_IW_CXGB, "%s AE received after RTS - "
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"qp state %d qpid 0x%x status 0x%x", __FUNCTION__,
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qhp->attr.state, qhp->wq.qpid, CQE_STATUS(rsp_msg->cqe));
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return;
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}
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log(LOG_ERR, "%s - AE qpid 0x%x opcode %d status 0x%x "
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"type %d wrid.hi 0x%x wrid.lo 0x%x \n", __FUNCTION__,
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CQE_QPID(rsp_msg->cqe), CQE_OPCODE(rsp_msg->cqe),
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CQE_STATUS(rsp_msg->cqe), CQE_TYPE(rsp_msg->cqe),
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CQE_WRID_HI(rsp_msg->cqe), CQE_WRID_LOW(rsp_msg->cqe));
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event.event = ib_event;
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event.device = chp->ibcq.device;
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if (ib_event == IB_EVENT_CQ_ERR)
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event.element.cq = &chp->ibcq;
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else
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event.element.qp = &qhp->ibqp;
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if (qhp->ibqp.event_handler)
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(*qhp->ibqp.event_handler)(&event, qhp->ibqp.qp_context);
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if (qhp->attr.state == IWCH_QP_STATE_RTS) {
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attrs.next_state = IWCH_QP_STATE_TERMINATE;
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iwch_modify_qp(qhp->rhp, qhp, IWCH_QP_ATTR_NEXT_STATE,
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&attrs, 1);
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if (send_term)
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iwch_post_terminate(qhp, rsp_msg);
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}
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}
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void
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iwch_ev_dispatch(struct cxio_rdev *rdev_p, struct mbuf *m)
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{
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struct iwch_dev *rnicp;
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struct respQ_msg_t *rsp_msg = (struct respQ_msg_t *) m->m_data;
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struct iwch_cq *chp;
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struct iwch_qp *qhp;
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u32 cqid = RSPQ_CQID(rsp_msg);
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rnicp = (struct iwch_dev *) rdev_p->ulp;
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mtx_lock(&rnicp->lock);
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chp = get_chp(rnicp, cqid);
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qhp = get_qhp(rnicp, CQE_QPID(rsp_msg->cqe));
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if (!chp || !qhp) {
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log(LOG_ERR,"BAD AE cqid 0x%x qpid 0x%x opcode %d "
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"status 0x%x type %d wrid.hi 0x%x wrid.lo 0x%x \n",
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cqid, CQE_QPID(rsp_msg->cqe),
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CQE_OPCODE(rsp_msg->cqe), CQE_STATUS(rsp_msg->cqe),
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CQE_TYPE(rsp_msg->cqe), CQE_WRID_HI(rsp_msg->cqe),
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CQE_WRID_LOW(rsp_msg->cqe));
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mtx_unlock(&rnicp->lock);
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goto out;
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}
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iwch_qp_add_ref(&qhp->ibqp);
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mtx_lock(&chp->lock);
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++chp->refcnt;
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mtx_unlock(&chp->lock);
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mtx_unlock(&rnicp->lock);
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/*
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* 1) completion of our sending a TERMINATE.
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* 2) incoming TERMINATE message.
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*/
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if ((CQE_OPCODE(rsp_msg->cqe) == T3_TERMINATE) &&
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(CQE_STATUS(rsp_msg->cqe) == 0)) {
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if (SQ_TYPE(rsp_msg->cqe)) {
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CTR3(KTR_IW_CXGB, "%s QPID 0x%x ep %p disconnecting",
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__FUNCTION__, qhp->wq.qpid, qhp->ep);
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iwch_ep_disconnect(qhp->ep, 0, M_NOWAIT);
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} else {
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CTR2(KTR_IW_CXGB, "%s post REQ_ERR AE QPID 0x%x", __FUNCTION__,
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qhp->wq.qpid);
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post_qp_event(rnicp, qhp, chp, rsp_msg,
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IB_EVENT_QP_REQ_ERR, 0);
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iwch_ep_disconnect(qhp->ep, 0, M_NOWAIT);
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}
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goto done;
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}
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/* Bad incoming Read request */
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if (SQ_TYPE(rsp_msg->cqe) &&
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(CQE_OPCODE(rsp_msg->cqe) == T3_READ_RESP)) {
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post_qp_event(rnicp, qhp, chp, rsp_msg, IB_EVENT_QP_REQ_ERR, 1);
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goto done;
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}
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/* Bad incoming write */
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if (RQ_TYPE(rsp_msg->cqe) &&
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(CQE_OPCODE(rsp_msg->cqe) == T3_RDMA_WRITE)) {
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post_qp_event(rnicp, qhp, chp, rsp_msg, IB_EVENT_QP_REQ_ERR, 1);
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goto done;
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}
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switch (CQE_STATUS(rsp_msg->cqe)) {
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/* Completion Events */
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case TPT_ERR_SUCCESS:
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#if 0
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/*
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* Confirm the destination entry if this is a RECV completion.
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*/
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if (qhp->ep && SQ_TYPE(rsp_msg->cqe))
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dst_confirm(qhp->ep->dst);
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#endif
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(*chp->ibcq.comp_handler)(&chp->ibcq, chp->ibcq.cq_context);
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break;
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case TPT_ERR_STAG:
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case TPT_ERR_PDID:
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case TPT_ERR_QPID:
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case TPT_ERR_ACCESS:
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case TPT_ERR_WRAP:
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case TPT_ERR_BOUND:
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case TPT_ERR_INVALIDATE_SHARED_MR:
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case TPT_ERR_INVALIDATE_MR_WITH_MW_BOUND:
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log(LOG_ERR, "%s - CQE Err qpid 0x%x opcode %d status 0x%x "
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"type %d wrid.hi 0x%x wrid.lo 0x%x \n", __FUNCTION__,
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CQE_QPID(rsp_msg->cqe), CQE_OPCODE(rsp_msg->cqe),
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CQE_STATUS(rsp_msg->cqe), CQE_TYPE(rsp_msg->cqe),
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CQE_WRID_HI(rsp_msg->cqe), CQE_WRID_LOW(rsp_msg->cqe));
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(*chp->ibcq.comp_handler)(&chp->ibcq, chp->ibcq.cq_context);
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post_qp_event(rnicp, qhp, chp, rsp_msg, IB_EVENT_QP_ACCESS_ERR, 1);
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break;
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/* Device Fatal Errors */
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case TPT_ERR_ECC:
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case TPT_ERR_ECC_PSTAG:
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case TPT_ERR_INTERNAL_ERR:
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post_qp_event(rnicp, qhp, chp, rsp_msg, IB_EVENT_DEVICE_FATAL, 1);
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break;
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/* QP Fatal Errors */
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case TPT_ERR_OUT_OF_RQE:
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case TPT_ERR_PBL_ADDR_BOUND:
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case TPT_ERR_CRC:
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case TPT_ERR_MARKER:
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case TPT_ERR_PDU_LEN_ERR:
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case TPT_ERR_DDP_VERSION:
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case TPT_ERR_RDMA_VERSION:
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case TPT_ERR_OPCODE:
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case TPT_ERR_DDP_QUEUE_NUM:
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case TPT_ERR_MSN:
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case TPT_ERR_TBIT:
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case TPT_ERR_MO:
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case TPT_ERR_MSN_GAP:
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case TPT_ERR_MSN_RANGE:
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case TPT_ERR_RQE_ADDR_BOUND:
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case TPT_ERR_IRD_OVERFLOW:
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post_qp_event(rnicp, qhp, chp, rsp_msg, IB_EVENT_QP_FATAL, 1);
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break;
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default:
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log(LOG_ERR,"Unknown T3 status 0x%x QPID 0x%x\n",
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CQE_STATUS(rsp_msg->cqe), qhp->wq.qpid);
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post_qp_event(rnicp, qhp, chp, rsp_msg, IB_EVENT_QP_FATAL, 1);
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break;
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}
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done:
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mtx_lock(&chp->lock);
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if (--chp->refcnt == 0)
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wakeup(chp);
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mtx_unlock(&chp->lock);
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iwch_qp_rem_ref(&qhp->ibqp);
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out:
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m_free(m);
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}
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