diff options
author | Harish Chegondi <harish.chegondi@intel.com> | 2016-02-04 01:20:27 +0300 |
---|---|---|
committer | Doug Ledford <dledford@redhat.com> | 2016-03-11 04:37:34 +0300 |
commit | 70696ea75b0b9d2cb220a09ea19d72a49f501d8e (patch) | |
tree | 1e5cc0a3cacdc898af9a0ecdf63e43f6390e467a /drivers/infiniband | |
parent | 1cefc2cd20f1d2b4e84bba14d5a5bf5d44936dc6 (diff) | |
download | linux-70696ea75b0b9d2cb220a09ea19d72a49f501d8e.tar.xz |
IB/qib: Remove modify queue pair code
Modify queue pair functionality in rdmavt will be used instead.
Remove ancillary functions which are being used by modify QP code.
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Harish Chegondi <harish.chegondi@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r-- | drivers/infiniband/hw/qib/qib.h | 10 | ||||
-rw-r--r-- | drivers/infiniband/hw/qib/qib_common.h | 1 | ||||
-rw-r--r-- | drivers/infiniband/hw/qib/qib_driver.c | 2 | ||||
-rw-r--r-- | drivers/infiniband/hw/qib/qib_qp.c | 515 | ||||
-rw-r--r-- | drivers/infiniband/hw/qib/qib_rc.c | 10 | ||||
-rw-r--r-- | drivers/infiniband/hw/qib/qib_ruc.c | 6 | ||||
-rw-r--r-- | drivers/infiniband/hw/qib/qib_sdma.c | 2 | ||||
-rw-r--r-- | drivers/infiniband/hw/qib/qib_uc.c | 10 | ||||
-rw-r--r-- | drivers/infiniband/hw/qib/qib_ud.c | 6 | ||||
-rw-r--r-- | drivers/infiniband/hw/qib/qib_verbs.c | 16 | ||||
-rw-r--r-- | drivers/infiniband/hw/qib/qib_verbs.h | 28 |
11 files changed, 113 insertions, 493 deletions
diff --git a/drivers/infiniband/hw/qib/qib.h b/drivers/infiniband/hw/qib/qib.h index 751c9d79afd2..5ba073ecd639 100644 --- a/drivers/infiniband/hw/qib/qib.h +++ b/drivers/infiniband/hw/qib/qib.h @@ -1539,4 +1539,14 @@ struct qib_hwerror_msgs { void qib_format_hwerrors(u64 hwerrs, const struct qib_hwerror_msgs *hwerrmsgs, size_t nhwerrmsgs, char *msg, size_t lmsg); + +void stop_send_queue(struct rvt_qp *qp); +void quiesce_qp(struct rvt_qp *qp); +void flush_qp_waiters(struct rvt_qp *qp); +int mtu_to_path_mtu(u32 mtu); +u32 mtu_from_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp, u32 pmtu); +void notify_error_qp(struct rvt_qp *qp); +int get_pmtu_from_attr(struct rvt_dev_info *rdi, struct rvt_qp *qp, + struct ib_qp_attr *attr); + #endif /* _QIB_KERNEL_H */ diff --git a/drivers/infiniband/hw/qib/qib_common.h b/drivers/infiniband/hw/qib/qib_common.h index 1d87ec011fa3..1d6e63eb1146 100644 --- a/drivers/infiniband/hw/qib/qib_common.h +++ b/drivers/infiniband/hw/qib/qib_common.h @@ -747,7 +747,6 @@ struct qib_tid_session_member { #define QIB_AETH_CREDIT_INVAL 0x1F #define QIB_PSN_MASK 0xFFFFFF #define QIB_MSN_MASK 0xFFFFFF -#define QIB_QPN_MASK 0xFFFFFF #define QIB_EAGER_TID_ID QLOGIC_IB_I_TID_MASK #define QIB_MULTICAST_QPN 0xFFFFFF diff --git a/drivers/infiniband/hw/qib/qib_driver.c b/drivers/infiniband/hw/qib/qib_driver.c index 707d789d0b67..67ee6438cf59 100644 --- a/drivers/infiniband/hw/qib/qib_driver.c +++ b/drivers/infiniband/hw/qib/qib_driver.c @@ -364,7 +364,7 @@ static u32 qib_rcv_hdrerr(struct qib_ctxtdata *rcd, struct qib_pportdata *ppd, psn = be32_to_cpu(ohdr->bth[2]); /* Get the destination QP number. */ - qp_num = be32_to_cpu(ohdr->bth[1]) & QIB_QPN_MASK; + qp_num = be32_to_cpu(ohdr->bth[1]) & RVT_QPN_MASK; if (qp_num != QIB_MULTICAST_QPN) { int ruc_res; diff --git a/drivers/infiniband/hw/qib/qib_qp.c b/drivers/infiniband/hw/qib/qib_qp.c index 8508e69f530c..cee4aa35ab70 100644 --- a/drivers/infiniband/hw/qib/qib_qp.c +++ b/drivers/infiniband/hw/qib/qib_qp.c @@ -209,46 +209,11 @@ bail: return ret; } -static void free_qpn(struct rvt_qpn_table *qpt, u32 qpn) -{ - struct rvt_qpn_map *map; - - map = qpt->map + qpn / RVT_BITS_PER_PAGE; - if (map->page) - clear_bit(qpn & RVT_BITS_PER_PAGE_MASK, map->page); -} - static inline unsigned qpn_hash(struct qib_ibdev *dev, u32 qpn) { return hash_32(qpn, dev->rdi.qp_dev->qp_table_bits); } - -/* - * Put the QP into the hash table. - * The hash table holds a reference to the QP. - */ -static void insert_qp(struct qib_ibdev *dev, struct rvt_qp *qp) -{ - struct qib_ibport *ibp = to_iport(qp->ibqp.device, qp->port_num); - unsigned long flags; - unsigned n = qpn_hash(dev, qp->ibqp.qp_num); - - atomic_inc(&qp->refcount); - spin_lock_irqsave(&dev->rdi.qp_dev->qpt_lock, flags); - - if (qp->ibqp.qp_num == 0) - rcu_assign_pointer(ibp->rvp.qp[0], qp); - else if (qp->ibqp.qp_num == 1) - rcu_assign_pointer(ibp->rvp.qp[1], qp); - else { - qp->next = dev->rdi.qp_dev->qp_table[n]; - rcu_assign_pointer(dev->rdi.qp_dev->qp_table[n], qp); - } - - spin_unlock_irqrestore(&dev->rdi.qp_dev->qpt_lock, flags); -} - /* * Remove the QP from the table so it can't be found asynchronously by * the receive interrupt routine. @@ -326,82 +291,10 @@ void notify_qp_reset(struct rvt_qp *qp) atomic_set(&priv->s_dma_busy, 0); } -static void clear_mr_refs(struct rvt_qp *qp, int clr_sends) -{ - unsigned n; - - if (test_and_clear_bit(RVT_R_REWIND_SGE, &qp->r_aflags)) - qib_put_ss(&qp->s_rdma_read_sge); - - qib_put_ss(&qp->r_sge); - - if (clr_sends) { - while (qp->s_last != qp->s_head) { - struct rvt_swqe *wqe = rvt_get_swqe_ptr(qp, qp->s_last); - unsigned i; - - for (i = 0; i < wqe->wr.num_sge; i++) { - struct rvt_sge *sge = &wqe->sg_list[i]; - - rvt_put_mr(sge->mr); - } - if (qp->ibqp.qp_type == IB_QPT_UD || - qp->ibqp.qp_type == IB_QPT_SMI || - qp->ibqp.qp_type == IB_QPT_GSI) - atomic_dec( - &ibah_to_rvtah(wqe->ud_wr.ah)->refcount); - if (++qp->s_last >= qp->s_size) - qp->s_last = 0; - } - if (qp->s_rdma_mr) { - rvt_put_mr(qp->s_rdma_mr); - qp->s_rdma_mr = NULL; - } - } - - if (qp->ibqp.qp_type != IB_QPT_RC) - return; - - for (n = 0; n < ARRAY_SIZE(qp->s_ack_queue); n++) { - struct rvt_ack_entry *e = &qp->s_ack_queue[n]; - - if (e->opcode == IB_OPCODE_RC_RDMA_READ_REQUEST && - e->rdma_sge.mr) { - rvt_put_mr(e->rdma_sge.mr); - e->rdma_sge.mr = NULL; - } - } -} - -/** - * qib_error_qp - put a QP into the error state - * @qp: the QP to put into the error state - * @err: the receive completion error to signal if a RWQE is active - * - * Flushes both send and receive work queues. - * Returns true if last WQE event should be generated. - * The QP r_lock and s_lock should be held and interrupts disabled. - * If we are already in error state, just return. - */ -int qib_error_qp(struct rvt_qp *qp, enum ib_wc_status err) +void notify_error_qp(struct rvt_qp *qp) { struct qib_qp_priv *priv = qp->priv; struct qib_ibdev *dev = to_idev(qp->ibqp.device); - struct ib_wc wc; - int ret = 0; - - if (qp->state == IB_QPS_ERR || qp->state == IB_QPS_RESET) - goto bail; - - qp->state = IB_QPS_ERR; - - if (qp->s_flags & (RVT_S_TIMER | RVT_S_WAIT_RNR)) { - qp->s_flags &= ~(RVT_S_TIMER | RVT_S_WAIT_RNR); - del_timer(&qp->s_timer); - } - - if (qp->s_flags & RVT_S_ANY_WAIT_SEND) - qp->s_flags &= ~RVT_S_ANY_WAIT_SEND; spin_lock(&dev->rdi.pending_lock); if (!list_empty(&priv->iowait) && !(qp->s_flags & RVT_S_BUSY)) { @@ -421,351 +314,60 @@ int qib_error_qp(struct rvt_qp *qp, enum ib_wc_status err) priv->s_tx = NULL; } } - - /* Schedule the sending tasklet to drain the send work queue. */ - if (qp->s_last != qp->s_head) - qib_schedule_send(qp); - - clear_mr_refs(qp, 0); - - memset(&wc, 0, sizeof(wc)); - wc.qp = &qp->ibqp; - wc.opcode = IB_WC_RECV; - - if (test_and_clear_bit(RVT_R_WRID_VALID, &qp->r_aflags)) { - wc.wr_id = qp->r_wr_id; - wc.status = err; - rvt_cq_enter(ibcq_to_rvtcq(qp->ibqp.recv_cq), &wc, 1); - } - wc.status = IB_WC_WR_FLUSH_ERR; - - if (qp->r_rq.wq) { - struct rvt_rwq *wq; - u32 head; - u32 tail; - - spin_lock(&qp->r_rq.lock); - - /* sanity check pointers before trusting them */ - wq = qp->r_rq.wq; - head = wq->head; - if (head >= qp->r_rq.size) - head = 0; - tail = wq->tail; - if (tail >= qp->r_rq.size) - tail = 0; - while (tail != head) { - wc.wr_id = get_rwqe_ptr(&qp->r_rq, tail)->wr_id; - if (++tail >= qp->r_rq.size) - tail = 0; - rvt_cq_enter(ibcq_to_rvtcq(qp->ibqp.recv_cq), &wc, 1); - } - wq->tail = tail; - - spin_unlock(&qp->r_rq.lock); - } else if (qp->ibqp.event_handler) - ret = 1; - -bail: - return ret; } -/** - * qib_modify_qp - modify the attributes of a queue pair - * @ibqp: the queue pair who's attributes we're modifying - * @attr: the new attributes - * @attr_mask: the mask of attributes to modify - * @udata: user data for libibverbs.so - * - * Returns 0 on success, otherwise returns an errno. - */ -int qib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, - int attr_mask, struct ib_udata *udata) +static int mtu_to_enum(u32 mtu) { - struct qib_ibdev *dev = to_idev(ibqp->device); - struct rvt_qp *qp = ibqp_to_rvtqp(ibqp); - struct qib_qp_priv *priv = qp->priv; - enum ib_qp_state cur_state, new_state; - struct ib_event ev; - int lastwqe = 0; - int mig = 0; - int ret; - u32 pmtu = 0; /* for gcc warning only */ - - spin_lock_irq(&qp->r_lock); - spin_lock(&qp->s_lock); - - cur_state = attr_mask & IB_QP_CUR_STATE ? - attr->cur_qp_state : qp->state; - new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state; - - if (!ib_modify_qp_is_ok(cur_state, new_state, ibqp->qp_type, - attr_mask, IB_LINK_LAYER_UNSPECIFIED)) - goto inval; - - if (attr_mask & IB_QP_AV) { - if (attr->ah_attr.dlid >= be16_to_cpu(IB_MULTICAST_LID_BASE)) - goto inval; - if (rvt_check_ah(qp->ibqp.device, &attr->ah_attr)) - goto inval; - } - - if (attr_mask & IB_QP_ALT_PATH) { - if (attr->alt_ah_attr.dlid >= - be16_to_cpu(IB_MULTICAST_LID_BASE)) - goto inval; - if (rvt_check_ah(qp->ibqp.device, &attr->alt_ah_attr)) - goto inval; - if (attr->alt_pkey_index >= qib_get_npkeys(dd_from_dev(dev))) - goto inval; - } - - if (attr_mask & IB_QP_PKEY_INDEX) - if (attr->pkey_index >= qib_get_npkeys(dd_from_dev(dev))) - goto inval; - - if (attr_mask & IB_QP_MIN_RNR_TIMER) - if (attr->min_rnr_timer > 31) - goto inval; - - if (attr_mask & IB_QP_PORT) - if (qp->ibqp.qp_type == IB_QPT_SMI || - qp->ibqp.qp_type == IB_QPT_GSI || - attr->port_num == 0 || - attr->port_num > ibqp->device->phys_port_cnt) - goto inval; + int enum_mtu; - if (attr_mask & IB_QP_DEST_QPN) - if (attr->dest_qp_num > QIB_QPN_MASK) - goto inval; - - if (attr_mask & IB_QP_RETRY_CNT) - if (attr->retry_cnt > 7) - goto inval; - - if (attr_mask & IB_QP_RNR_RETRY) - if (attr->rnr_retry > 7) - goto inval; - - /* - * Don't allow invalid path_mtu values. OK to set greater - * than the active mtu (or even the max_cap, if we have tuned - * that to a small mtu. We'll set qp->path_mtu - * to the lesser of requested attribute mtu and active, - * for packetizing messages. - * Note that the QP port has to be set in INIT and MTU in RTR. - */ - if (attr_mask & IB_QP_PATH_MTU) { - struct qib_devdata *dd = dd_from_dev(dev); - int mtu, pidx = qp->port_num - 1; - - mtu = ib_mtu_enum_to_int(attr->path_mtu); - if (mtu == -1) - goto inval; - if (mtu > dd->pport[pidx].ibmtu) { - switch (dd->pport[pidx].ibmtu) { - case 4096: - pmtu = IB_MTU_4096; - break; - case 2048: - pmtu = IB_MTU_2048; - break; - case 1024: - pmtu = IB_MTU_1024; - break; - case 512: - pmtu = IB_MTU_512; - break; - case 256: - pmtu = IB_MTU_256; - break; - default: - pmtu = IB_MTU_2048; - } - } else - pmtu = attr->path_mtu; - } - - if (attr_mask & IB_QP_PATH_MIG_STATE) { - if (attr->path_mig_state == IB_MIG_REARM) { - if (qp->s_mig_state == IB_MIG_ARMED) - goto inval; - if (new_state != IB_QPS_RTS) - goto inval; - } else if (attr->path_mig_state == IB_MIG_MIGRATED) { - if (qp->s_mig_state == IB_MIG_REARM) - goto inval; - if (new_state != IB_QPS_RTS && new_state != IB_QPS_SQD) - goto inval; - if (qp->s_mig_state == IB_MIG_ARMED) - mig = 1; - } else - goto inval; - } - - if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) - if (attr->max_dest_rd_atomic > QIB_MAX_RDMA_ATOMIC) - goto inval; - - switch (new_state) { - case IB_QPS_RESET: - if (qp->state != IB_QPS_RESET) { - qp->state = IB_QPS_RESET; - spin_lock(&dev->rdi.pending_lock); - if (!list_empty(&priv->iowait)) - list_del_init(&priv->iowait); - spin_unlock(&dev->rdi.pending_lock); - qp->s_flags &= ~(RVT_S_TIMER | RVT_S_ANY_WAIT); - spin_unlock(&qp->s_lock); - spin_unlock_irq(&qp->r_lock); - /* Stop the sending work queue and retry timer */ - cancel_work_sync(&priv->s_work); - del_timer_sync(&qp->s_timer); - wait_event(priv->wait_dma, - !atomic_read(&priv->s_dma_busy)); - if (priv->s_tx) { - qib_put_txreq(priv->s_tx); - priv->s_tx = NULL; - } - remove_qp(dev, qp); - wait_event(qp->wait, !atomic_read(&qp->refcount)); - spin_lock_irq(&qp->r_lock); - spin_lock(&qp->s_lock); - clear_mr_refs(qp, 1); - rvt_reset_qp(&dev->rdi, qp, ibqp->qp_type); - } + switch (mtu) { + case 4096: + enum_mtu = IB_MTU_4096; break; - - case IB_QPS_RTR: - /* Allow event to retrigger if QP set to RTR more than once */ - qp->r_flags &= ~RVT_R_COMM_EST; - qp->state = new_state; + case 2048: + enum_mtu = IB_MTU_2048; break; - - case IB_QPS_SQD: - qp->s_draining = qp->s_last != qp->s_cur; - qp->state = new_state; + case 1024: + enum_mtu = IB_MTU_1024; break; - - case IB_QPS_SQE: - if (qp->ibqp.qp_type == IB_QPT_RC) - goto inval; - qp->state = new_state; + case 512: + enum_mtu = IB_MTU_512; break; - - case IB_QPS_ERR: - lastwqe = qib_error_qp(qp, IB_WC_WR_FLUSH_ERR); + case 256: + enum_mtu = IB_MTU_256; break; - default: - qp->state = new_state; - break; - } - - if (attr_mask & IB_QP_PKEY_INDEX) - qp->s_pkey_index = attr->pkey_index; - - if (attr_mask & IB_QP_PORT) - qp->port_num = attr->port_num; - - if (attr_mask & IB_QP_DEST_QPN) - qp->remote_qpn = attr->dest_qp_num; - - if (attr_mask & IB_QP_SQ_PSN) { - qp->s_next_psn = attr->sq_psn & QIB_PSN_MASK; - qp->s_psn = qp->s_next_psn; - qp->s_sending_psn = qp->s_next_psn; - qp->s_last_psn = qp->s_next_psn - 1; - qp->s_sending_hpsn = qp->s_last_psn; - } - - if (attr_mask & IB_QP_RQ_PSN) - qp->r_psn = attr->rq_psn & QIB_PSN_MASK; - - if (attr_mask & IB_QP_ACCESS_FLAGS) - qp->qp_access_flags = attr->qp_access_flags; - - if (attr_mask & IB_QP_AV) { - qp->remote_ah_attr = attr->ah_attr; - qp->s_srate = attr->ah_attr.static_rate; - } - - if (attr_mask & IB_QP_ALT_PATH) { - qp->alt_ah_attr = attr->alt_ah_attr; - qp->s_alt_pkey_index = attr->alt_pkey_index; - } - - if (attr_mask & IB_QP_PATH_MIG_STATE) { - qp->s_mig_state = attr->path_mig_state; - if (mig) { - qp->remote_ah_attr = qp->alt_ah_attr; - qp->port_num = qp->alt_ah_attr.port_num; - qp->s_pkey_index = qp->s_alt_pkey_index; - } - } - - if (attr_mask & IB_QP_PATH_MTU) { - qp->path_mtu = pmtu; - qp->pmtu = ib_mtu_enum_to_int(pmtu); - } - - if (attr_mask & IB_QP_RETRY_CNT) { - qp->s_retry_cnt = attr->retry_cnt; - qp->s_retry = attr->retry_cnt; - } - - if (attr_mask & IB_QP_RNR_RETRY) { - qp->s_rnr_retry_cnt = attr->rnr_retry; - qp->s_rnr_retry = attr->rnr_retry; - } - - if (attr_mask & IB_QP_MIN_RNR_TIMER) - qp->r_min_rnr_timer = attr->min_rnr_timer; - - if (attr_mask & IB_QP_TIMEOUT) { - qp->timeout = attr->timeout; - qp->timeout_jiffies = - usecs_to_jiffies((4096UL * (1UL << qp->timeout)) / - 1000UL); + enum_mtu = IB_MTU_2048; } + return enum_mtu; +} - if (attr_mask & IB_QP_QKEY) - qp->qkey = attr->qkey; - - if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) - qp->r_max_rd_atomic = attr->max_dest_rd_atomic; - - if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC) - qp->s_max_rd_atomic = attr->max_rd_atomic; - - spin_unlock(&qp->s_lock); - spin_unlock_irq(&qp->r_lock); - - if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) - insert_qp(dev, qp); +int get_pmtu_from_attr(struct rvt_dev_info *rdi, struct rvt_qp *qp, + struct ib_qp_attr *attr) +{ + int mtu, pmtu, pidx = qp->port_num - 1; + struct qib_ibdev *verbs_dev = container_of(rdi, struct qib_ibdev, rdi); + struct qib_devdata *dd = container_of(verbs_dev, struct qib_devdata, + verbs_dev); + mtu = ib_mtu_enum_to_int(attr->path_mtu); + if (mtu == -1) + return -EINVAL; - if (lastwqe) { - ev.device = qp->ibqp.device; - ev.element.qp = &qp->ibqp; - ev.event = IB_EVENT_QP_LAST_WQE_REACHED; - qp->ibqp.event_handler(&ev, qp->ibqp.qp_context); - } - if (mig) { - ev.device = qp->ibqp.device; - ev.element.qp = &qp->ibqp; - ev.event = IB_EVENT_PATH_MIG; - qp->ibqp.event_handler(&ev, qp->ibqp.qp_context); - } - ret = 0; - goto bail; + if (mtu > dd->pport[pidx].ibmtu) + pmtu = mtu_to_enum(dd->pport[pidx].ibmtu); + else + pmtu = attr->path_mtu; + return pmtu; +} -inval: - spin_unlock(&qp->s_lock); - spin_unlock_irq(&qp->r_lock); - ret = -EINVAL; +int mtu_to_path_mtu(u32 mtu) +{ + return mtu_to_enum(mtu); +} -bail: - return ret; +u32 mtu_from_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp, u32 pmtu) +{ + return ib_mtu_enum_to_int(pmtu); } /** @@ -857,6 +459,35 @@ void qp_priv_free(struct rvt_dev_info *rdi, struct rvt_qp *qp) kfree(priv); } +void stop_send_queue(struct rvt_qp *qp) +{ + struct qib_qp_priv *priv = qp->priv; + + cancel_work_sync(&priv->s_work); +} + +void quiesce_qp(struct rvt_qp *qp) +{ + struct qib_qp_priv *priv = qp->priv; + + wait_event(priv->wait_dma, !atomic_read(&priv->s_dma_busy)); + if (priv->s_tx) { + qib_put_txreq(priv->s_tx); + priv->s_tx = NULL; + } +} + +void flush_qp_waiters(struct rvt_qp *qp) +{ + struct qib_qp_priv *priv = qp->priv; + struct qib_ibdev *dev = to_idev(qp->ibqp.device); + + spin_lock(&dev->rdi.pending_lock); + if (!list_empty(&priv->iowait)) + list_del_init(&priv->iowait); + spin_unlock(&dev->rdi.pending_lock); +} + /** * qib_destroy_qp - destroy a queue pair * @ibqp: the queue pair to destroy @@ -891,15 +522,13 @@ int qib_destroy_qp(struct ib_qp *ibqp) } remove_qp(dev, qp); wait_event(qp->wait, !atomic_read(&qp->refcount)); - clear_mr_refs(qp, 1); + rvt_clear_mr_refs(qp, 1); } else spin_unlock_irq(&qp->s_lock); /* all user's cleaned up, mark it available */ - free_qpn(&dev->rdi.qp_dev->qpn_table, qp->ibqp.qp_num); - spin_lock(&dev->n_qps_lock); - dev->n_qps_allocated--; - spin_unlock(&dev->n_qps_lock); + rvt_free_qpn(&dev->rdi.qp_dev->qpn_table, qp->ibqp.qp_num); + rvt_dec_qp_cnt(&dev->rdi); if (qp->ip) kref_put(&qp->ip->ref, rvt_release_mmap_info); diff --git a/drivers/infiniband/hw/qib/qib_rc.c b/drivers/infiniband/hw/qib/qib_rc.c index 78ae93e1f812..044525d9c8b8 100644 --- a/drivers/infiniband/hw/qib/qib_rc.c +++ b/drivers/infiniband/hw/qib/qib_rc.c @@ -879,7 +879,7 @@ static void qib_restart_rc(struct rvt_qp *qp, u32 psn, int wait) qp->s_retry = qp->s_retry_cnt; } else if (qp->s_last == qp->s_acked) { qib_send_complete(qp, wqe, IB_WC_RETRY_EXC_ERR); - qib_error_qp(qp, IB_WC_WR_FLUSH_ERR); + rvt_error_qp(qp, IB_WC_WR_FLUSH_ERR); return; } else /* XXX need to handle delayed completion */ return; @@ -1324,7 +1324,7 @@ static int do_rc_ack(struct rvt_qp *qp, u32 aeth, u32 psn, int opcode, class_b: if (qp->s_last == qp->s_acked) { qib_send_complete(qp, wqe, status); - qib_error_qp(qp, IB_WC_WR_FLUSH_ERR); + rvt_error_qp(qp, IB_WC_WR_FLUSH_ERR); } break; @@ -1599,7 +1599,7 @@ ack_len_err: ack_err: if (qp->s_last == qp->s_acked) { qib_send_complete(qp, wqe, status); - qib_error_qp(qp, IB_WC_WR_FLUSH_ERR); + rvt_error_qp(qp, IB_WC_WR_FLUSH_ERR); } ack_done: spin_unlock_irqrestore(&qp->s_lock, flags); @@ -1825,7 +1825,7 @@ void qib_rc_error(struct rvt_qp *qp, enum ib_wc_status err) int lastwqe; spin_lock_irqsave(&qp->s_lock, flags); - lastwqe = qib_error_qp(qp, err); + lastwqe = rvt_error_qp(qp, err); spin_unlock_irqrestore(&qp->s_lock, flags); if (lastwqe) { @@ -2027,7 +2027,7 @@ send_last: if (unlikely(wc.byte_len > qp->r_len)) goto nack_inv; qib_copy_sge(&qp->r_sge, data, tlen, 1); - qib_put_ss(&qp->r_sge); + rvt_put_ss(&qp->r_sge); qp->r_msn++; if (!test_and_clear_bit(RVT_R_WRID_VALID, &qp->r_aflags)) break; diff --git a/drivers/infiniband/hw/qib/qib_ruc.c b/drivers/infiniband/hw/qib/qib_ruc.c index e1d1a1511a38..56668cb3a3cf 100644 --- a/drivers/infiniband/hw/qib/qib_ruc.c +++ b/drivers/infiniband/hw/qib/qib_ruc.c @@ -174,7 +174,7 @@ int qib_get_rwqe(struct rvt_qp *qp, int wr_id_only) } /* Make sure entry is read after head index is read. */ smp_rmb(); - wqe = get_rwqe_ptr(rq, tail); + wqe = rvt_get_rwqe_ptr(rq, tail); /* * Even though we update the tail index in memory, the verbs * consumer is not supposed to post more entries until a @@ -551,7 +551,7 @@ again: sqp->s_len -= len; } if (release) - qib_put_ss(&qp->r_sge); + rvt_put_ss(&qp->r_sge); if (!test_and_clear_bit(RVT_R_WRID_VALID, &qp->r_aflags)) goto send_comp; @@ -626,7 +626,7 @@ serr: spin_lock_irqsave(&sqp->s_lock, flags); qib_send_complete(sqp, wqe, send_status); if (sqp->ibqp.qp_type == IB_QPT_RC) { - int lastwqe = qib_error_qp(sqp, IB_WC_WR_FLUSH_ERR); + int lastwqe = rvt_error_qp(sqp, IB_WC_WR_FLUSH_ERR); sqp->s_flags &= ~RVT_S_BUSY; spin_unlock_irqrestore(&sqp->s_lock, flags); diff --git a/drivers/infiniband/hw/qib/qib_sdma.c b/drivers/infiniband/hw/qib/qib_sdma.c index ae65e9f32ea4..891873b38a1e 100644 --- a/drivers/infiniband/hw/qib/qib_sdma.c +++ b/drivers/infiniband/hw/qib/qib_sdma.c @@ -673,7 +673,7 @@ unmap: if (qp->ibqp.qp_type == IB_QPT_RC) { /* XXX what about error sending RDMA read responses? */ if (ib_rvt_state_ops[qp->state] & RVT_PROCESS_RECV_OK) - qib_error_qp(qp, IB_WC_GENERAL_ERR); + rvt_error_qp(qp, IB_WC_GENERAL_ERR); } else if (qp->s_wqe) qib_send_complete(qp, qp->s_wqe, IB_WC_GENERAL_ERR); spin_unlock(&qp->s_lock); diff --git a/drivers/infiniband/hw/qib/qib_uc.c b/drivers/infiniband/hw/qib/qib_uc.c index b97892fbd05c..1b2fc69855b2 100644 --- a/drivers/infiniband/hw/qib/qib_uc.c +++ b/drivers/infiniband/hw/qib/qib_uc.c @@ -282,7 +282,7 @@ inv: set_bit(RVT_R_REWIND_SGE, &qp->r_aflags); qp->r_sge.num_sge = 0; } else - qib_put_ss(&qp->r_sge); + rvt_put_ss(&qp->r_sge); qp->r_state = OP(SEND_LAST); switch (opcode) { case OP(SEND_FIRST): @@ -401,7 +401,7 @@ send_last: goto rewind; wc.opcode = IB_WC_RECV; qib_copy_sge(&qp->r_sge, data, tlen, 0); - qib_put_ss(&qp->s_rdma_read_sge); + rvt_put_ss(&qp->s_rdma_read_sge); last_imm: wc.wr_id = qp->r_wr_id; wc.status = IB_WC_SUCCESS; @@ -485,7 +485,7 @@ rdma_last_imm: if (unlikely(tlen + qp->r_rcv_len != qp->r_len)) goto drop; if (test_and_clear_bit(RVT_R_REWIND_SGE, &qp->r_aflags)) - qib_put_ss(&qp->s_rdma_read_sge); + rvt_put_ss(&qp->s_rdma_read_sge); else { ret = qib_get_rwqe(qp, 1); if (ret < 0) @@ -496,7 +496,7 @@ rdma_last_imm: wc.byte_len = qp->r_len; wc.opcode = IB_WC_RECV_RDMA_WITH_IMM; qib_copy_sge(&qp->r_sge, data, tlen, 1); - qib_put_ss(&qp->r_sge); + rvt_put_ss(&qp->r_sge); goto last_imm; case OP(RDMA_WRITE_LAST): @@ -512,7 +512,7 @@ rdma_last: if (unlikely(tlen + qp->r_rcv_len != qp->r_len)) goto drop; qib_copy_sge(&qp->r_sge, data, tlen, 1); - qib_put_ss(&qp->r_sge); + rvt_put_ss(&qp->r_sge); break; default: diff --git a/drivers/infiniband/hw/qib/qib_ud.c b/drivers/infiniband/hw/qib/qib_ud.c index 98bccb549d3a..fe4917272b89 100644 --- a/drivers/infiniband/hw/qib/qib_ud.c +++ b/drivers/infiniband/hw/qib/qib_ud.c @@ -206,7 +206,7 @@ static void qib_ud_loopback(struct rvt_qp *sqp, struct rvt_swqe *swqe) } length -= len; } - qib_put_ss(&qp->r_sge); + rvt_put_ss(&qp->r_sge); if (!test_and_clear_bit(RVT_R_WRID_VALID, &qp->r_aflags)) goto bail_unlock; wc.wr_id = qp->r_wr_id; @@ -452,7 +452,7 @@ void qib_ud_rcv(struct qib_ibport *ibp, struct qib_ib_header *hdr, hdrsize = 8 + 40 + 12 + 8; /* LRH + GRH + BTH + DETH */ } qkey = be32_to_cpu(ohdr->u.ud.deth[0]); - src_qp = be32_to_cpu(ohdr->u.ud.deth[1]) & QIB_QPN_MASK; + src_qp = be32_to_cpu(ohdr->u.ud.deth[1]) & RVT_QPN_MASK; /* * Get the number of bytes the message was padded by @@ -565,7 +565,7 @@ void qib_ud_rcv(struct qib_ibport *ibp, struct qib_ib_header *hdr, } else qib_skip_sge(&qp->r_sge, sizeof(struct ib_grh), 1); qib_copy_sge(&qp->r_sge, data, wc.byte_len - sizeof(struct ib_grh), 1); - qib_put_ss(&qp->r_sge); + rvt_put_ss(&qp->r_sge); if (!test_and_clear_bit(RVT_R_WRID_VALID, &qp->r_aflags)) return; wc.wr_id = qp->r_wr_id; diff --git a/drivers/infiniband/hw/qib/qib_verbs.c b/drivers/infiniband/hw/qib/qib_verbs.c index c9cc3ae14375..187f150b1ff7 100644 --- a/drivers/infiniband/hw/qib/qib_verbs.c +++ b/drivers/infiniband/hw/qib/qib_verbs.c @@ -411,7 +411,7 @@ void qib_ib_rcv(struct qib_ctxtdata *rcd, void *rhdr, void *data, u32 tlen) #endif /* Get the destination QP number. */ - qp_num = be32_to_cpu(ohdr->bth[1]) & QIB_QPN_MASK; + qp_num = be32_to_cpu(ohdr->bth[1]) & RVT_QPN_MASK; if (qp_num == QIB_MULTICAST_QPN) { struct rvt_mcast *mcast; struct rvt_mcast_qp *p; @@ -1644,7 +1644,6 @@ int qib_register_ib_device(struct qib_devdata *dd) init_ibport(ppd + i); /* Only need to initialize non-zero fields. */ - spin_lock_init(&dev->n_qps_lock); init_timer(&dev->mem_timer); dev->mem_timer.function = mem_timer; dev->mem_timer.data = (unsigned long) dev; @@ -1698,7 +1697,6 @@ int qib_register_ib_device(struct qib_devdata *dd) ibdev->query_port = qib_query_port; ibdev->modify_port = qib_modify_port; ibdev->query_gid = qib_query_gid; - ibdev->modify_qp = qib_modify_qp; ibdev->destroy_qp = qib_destroy_qp; ibdev->process_mad = qib_process_mad; ibdev->get_port_immutable = qib_port_immutable; @@ -1721,7 +1719,15 @@ int qib_register_ib_device(struct qib_devdata *dd) dd->verbs_dev.rdi.driver_f.notify_qp_reset = notify_qp_reset; dd->verbs_dev.rdi.driver_f.do_send = qib_do_send; dd->verbs_dev.rdi.driver_f.schedule_send = qib_schedule_send; - + dd->verbs_dev.rdi.driver_f.quiesce_qp = quiesce_qp; + dd->verbs_dev.rdi.driver_f.stop_send_queue = stop_send_queue; + dd->verbs_dev.rdi.driver_f.flush_qp_waiters = flush_qp_waiters; + dd->verbs_dev.rdi.driver_f.notify_error_qp = notify_error_qp; + dd->verbs_dev.rdi.driver_f.mtu_to_path_mtu = mtu_to_path_mtu; + dd->verbs_dev.rdi.driver_f.mtu_from_qp = mtu_from_qp; + dd->verbs_dev.rdi.driver_f.get_pmtu_from_attr = get_pmtu_from_attr; + + dd->verbs_dev.rdi.dparms.max_rdma_atomic = QIB_MAX_RDMA_ATOMIC; dd->verbs_dev.rdi.dparms.lkey_table_size = qib_lkey_table_size; dd->verbs_dev.rdi.dparms.qp_table_size = ib_qib_qp_table_size; dd->verbs_dev.rdi.dparms.qpn_start = 1; @@ -1730,6 +1736,8 @@ int qib_register_ib_device(struct qib_devdata *dd) dd->verbs_dev.rdi.dparms.qpn_inc = 1; dd->verbs_dev.rdi.dparms.qos_shift = 1; dd->verbs_dev.rdi.dparms.psn_mask = QIB_PSN_MASK; + dd->verbs_dev.rdi.dparms.psn_shift = QIB_PSN_SHIFT; + dd->verbs_dev.rdi.dparms.psn_modify_mask = QIB_PSN_MASK; dd->verbs_dev.rdi.dparms.nports = dd->num_pports; dd->verbs_dev.rdi.dparms.npkeys = qib_get_npkeys(dd); dd->verbs_dev.rdi.dparms.node = dd->assigned_node_id; diff --git a/drivers/infiniband/hw/qib/qib_verbs.h b/drivers/infiniband/hw/qib/qib_verbs.h index 6ad924fe0118..0487d62b9cdd 100644 --- a/drivers/infiniband/hw/qib/qib_verbs.h +++ b/drivers/infiniband/hw/qib/qib_verbs.h @@ -55,6 +55,7 @@ struct qib_verbs_txreq; #define QIB_MAX_RDMA_ATOMIC 16 #define QIB_GUIDS_PER_PORT 5 +#define QIB_PSN_SHIFT 8 /* * Increment this value if any changes that break userspace ABI @@ -200,18 +201,6 @@ struct qib_qp_priv { #define QIB_PSN_CREDIT 16 -/* - * Since struct rvt_rwqe is not a fixed size, we can't simply index into - * struct rvt_rwq.wq. This function does the array index computation. - */ -static inline struct rvt_rwqe *get_rwqe_ptr(struct rvt_rq *rq, unsigned n) -{ - return (struct rvt_rwqe *) - ((char *) rq->wq->wq + - (sizeof(struct rvt_rwqe) + - rq->max_sge * sizeof(struct ib_sge)) * n); -} - struct qib_opcode_stats { u64 n_packets; /* number of packets */ u64 n_bytes; /* total number of bytes */ @@ -268,8 +257,6 @@ struct qib_ibdev { u32 n_piowait; u32 n_txwait; - u32 n_qps_allocated; /* number of QPs allocated for device */ - spinlock_t n_qps_lock; #ifdef CONFIG_DEBUG_FS /* per HCA debugfs */ struct dentry *qib_ibdev_dbg; @@ -361,10 +348,6 @@ __be32 qib_compute_aeth(struct rvt_qp *qp); int qib_destroy_qp(struct ib_qp *ibqp); -int qib_error_qp(struct rvt_qp *qp, enum ib_wc_status err); - -int qib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, - int attr_mask, struct ib_udata *udata); /* * Functions provided by qib driver for rdmavt to use */ @@ -426,15 +409,6 @@ void qib_ud_rcv(struct qib_ibport *ibp, struct qib_ib_header *hdr, void mr_rcu_callback(struct rcu_head *list); -static inline void qib_put_ss(struct rvt_sge_state *ss) -{ - while (ss->num_sge) { - rvt_put_mr(ss->sge.mr); - if (--ss->num_sge) - ss->sge = *ss->sg_list++; - } -} - int qib_get_rwqe(struct rvt_qp *qp, int wr_id_only); void qib_migrate_qp(struct rvt_qp *qp); |