diff options
Diffstat (limited to 'drivers/infiniband/hw')
-rw-r--r-- | drivers/infiniband/hw/ipath/ipath_mad.c | 42 | ||||
-rw-r--r-- | drivers/infiniband/hw/mthca/mthca_cmd.c | 23 | ||||
-rw-r--r-- | drivers/infiniband/hw/mthca/mthca_cq.c | 12 | ||||
-rw-r--r-- | drivers/infiniband/hw/mthca/mthca_eq.c | 4 | ||||
-rw-r--r-- | drivers/infiniband/hw/mthca/mthca_mad.c | 14 | ||||
-rw-r--r-- | drivers/infiniband/hw/mthca/mthca_provider.c | 33 | ||||
-rw-r--r-- | drivers/infiniband/hw/mthca/mthca_provider.h | 3 | ||||
-rw-r--r-- | drivers/infiniband/hw/mthca/mthca_qp.c | 40 | ||||
-rw-r--r-- | drivers/infiniband/hw/mthca/mthca_reset.c | 59 | ||||
-rw-r--r-- | drivers/infiniband/hw/mthca/mthca_srq.c | 5 |
10 files changed, 146 insertions, 89 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_mad.c b/drivers/infiniband/hw/ipath/ipath_mad.c index f7f8391fe43..1a9d0a2c33c 100644 --- a/drivers/infiniband/hw/ipath/ipath_mad.c +++ b/drivers/infiniband/hw/ipath/ipath_mad.c @@ -137,47 +137,11 @@ static int recv_subn_get_guidinfo(struct ib_smp *smp, return reply(smp); } -struct port_info { - __be64 mkey; - __be64 gid_prefix; - __be16 lid; - __be16 sm_lid; - __be32 cap_mask; - __be16 diag_code; - __be16 mkey_lease_period; - u8 local_port_num; - u8 link_width_enabled; - u8 link_width_supported; - u8 link_width_active; - u8 linkspeed_portstate; /* 4 bits, 4 bits */ - u8 portphysstate_linkdown; /* 4 bits, 4 bits */ - u8 mkeyprot_resv_lmc; /* 2 bits, 3, 3 */ - u8 linkspeedactive_enabled; /* 4 bits, 4 bits */ - u8 neighbormtu_mastersmsl; /* 4 bits, 4 bits */ - u8 vlcap_inittype; /* 4 bits, 4 bits */ - u8 vl_high_limit; - u8 vl_arb_high_cap; - u8 vl_arb_low_cap; - u8 inittypereply_mtucap; /* 4 bits, 4 bits */ - u8 vlstallcnt_hoqlife; /* 3 bits, 5 bits */ - u8 operationalvl_pei_peo_fpi_fpo; /* 4 bits, 1, 1, 1, 1 */ - __be16 mkey_violations; - __be16 pkey_violations; - __be16 qkey_violations; - u8 guid_cap; - u8 clientrereg_resv_subnetto; /* 1 bit, 2 bits, 5 */ - u8 resv_resptimevalue; /* 3 bits, 5 bits */ - u8 localphyerrors_overrunerrors; /* 4 bits, 4 bits */ - __be16 max_credit_hint; - u8 resv; - u8 link_roundtrip_latency[3]; -} __attribute__ ((packed)); - static int recv_subn_get_portinfo(struct ib_smp *smp, struct ib_device *ibdev, u8 port) { struct ipath_ibdev *dev; - struct port_info *pip = (struct port_info *)smp->data; + struct ib_port_info *pip = (struct ib_port_info *)smp->data; u16 lid; u8 ibcstat; u8 mtu; @@ -312,7 +276,7 @@ static int recv_subn_set_guidinfo(struct ib_smp *smp, static int recv_subn_set_portinfo(struct ib_smp *smp, struct ib_device *ibdev, u8 port) { - struct port_info *pip = (struct port_info *)smp->data; + struct ib_port_info *pip = (struct ib_port_info *)smp->data; struct ib_event event; struct ipath_ibdev *dev; u32 flags; @@ -445,7 +409,7 @@ static int recv_subn_set_portinfo(struct ib_smp *smp, if (pip->clientrereg_resv_subnetto & 0x80) { clientrereg = 1; - event.event = IB_EVENT_LID_CHANGE; + event.event = IB_EVENT_CLIENT_REREGISTER; ib_dispatch_event(&event); } diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.c b/drivers/infiniband/hw/mthca/mthca_cmd.c index 798e13e14fa..d0f7731802c 100644 --- a/drivers/infiniband/hw/mthca/mthca_cmd.c +++ b/drivers/infiniband/hw/mthca/mthca_cmd.c @@ -174,7 +174,6 @@ enum { struct mthca_cmd_context { struct completion done; - struct timer_list timer; int result; int next; u64 out_param; @@ -362,15 +361,6 @@ void mthca_cmd_event(struct mthca_dev *dev, complete(&context->done); } -static void event_timeout(unsigned long context_ptr) -{ - struct mthca_cmd_context *context = - (struct mthca_cmd_context *) context_ptr; - - context->result = -EBUSY; - complete(&context->done); -} - static int mthca_cmd_wait(struct mthca_dev *dev, u64 in_param, u64 *out_param, @@ -401,11 +391,10 @@ static int mthca_cmd_wait(struct mthca_dev *dev, if (err) goto out; - context->timer.expires = jiffies + timeout; - add_timer(&context->timer); - - wait_for_completion(&context->done); - del_timer_sync(&context->timer); + if (!wait_for_completion_timeout(&context->done, timeout)) { + err = -EBUSY; + goto out; + } err = context->result; if (err) @@ -535,10 +524,6 @@ int mthca_cmd_use_events(struct mthca_dev *dev) for (i = 0; i < dev->cmd.max_cmds; ++i) { dev->cmd.context[i].token = i; dev->cmd.context[i].next = i + 1; - init_timer(&dev->cmd.context[i].timer); - dev->cmd.context[i].timer.data = - (unsigned long) &dev->cmd.context[i]; - dev->cmd.context[i].timer.function = event_timeout; } dev->cmd.context[dev->cmd.max_cmds - 1].next = -1; diff --git a/drivers/infiniband/hw/mthca/mthca_cq.c b/drivers/infiniband/hw/mthca/mthca_cq.c index 205854e9c66..3e27a084257 100644 --- a/drivers/infiniband/hw/mthca/mthca_cq.c +++ b/drivers/infiniband/hw/mthca/mthca_cq.c @@ -540,8 +540,17 @@ static inline int mthca_poll_one(struct mthca_dev *dev, entry->wr_id = srq->wrid[wqe_index]; mthca_free_srq_wqe(srq, wqe); } else { + s32 wqe; wq = &(*cur_qp)->rq; - wqe_index = be32_to_cpu(cqe->wqe) >> wq->wqe_shift; + wqe = be32_to_cpu(cqe->wqe); + wqe_index = wqe >> wq->wqe_shift; + /* + * WQE addr == base - 1 might be reported in receive completion + * with error instead of (rq size - 1) by Sinai FW 1.0.800 and + * Arbel FW 5.1.400. This bug should be fixed in later FW revs. + */ + if (unlikely(wqe_index < 0)) + wqe_index = wq->max - 1; entry->wr_id = (*cur_qp)->wrid[wqe_index]; } @@ -813,6 +822,7 @@ int mthca_init_cq(struct mthca_dev *dev, int nent, spin_lock_init(&cq->lock); cq->refcount = 1; init_waitqueue_head(&cq->wait); + mutex_init(&cq->mutex); memset(cq_context, 0, sizeof *cq_context); cq_context->flags = cpu_to_be32(MTHCA_CQ_STATUS_OK | diff --git a/drivers/infiniband/hw/mthca/mthca_eq.c b/drivers/infiniband/hw/mthca/mthca_eq.c index 99f109c3815..d536217e700 100644 --- a/drivers/infiniband/hw/mthca/mthca_eq.c +++ b/drivers/infiniband/hw/mthca/mthca_eq.c @@ -695,10 +695,6 @@ static void mthca_unmap_reg(struct mthca_dev *dev, unsigned long offset, static int __devinit mthca_map_eq_regs(struct mthca_dev *dev) { - unsigned long mthca_base; - - mthca_base = pci_resource_start(dev->pdev, 0); - if (mthca_is_memfree(dev)) { /* * We assume that the EQ arm and EQ set CI registers diff --git a/drivers/infiniband/hw/mthca/mthca_mad.c b/drivers/infiniband/hw/mthca/mthca_mad.c index 4730863ece9..d9bc030bccc 100644 --- a/drivers/infiniband/hw/mthca/mthca_mad.c +++ b/drivers/infiniband/hw/mthca/mthca_mad.c @@ -114,14 +114,22 @@ static void smp_snoop(struct ib_device *ibdev, mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) && mad->mad_hdr.method == IB_MGMT_METHOD_SET) { if (mad->mad_hdr.attr_id == IB_SMP_ATTR_PORT_INFO) { + struct ib_port_info *pinfo = + (struct ib_port_info *) ((struct ib_smp *) mad)->data; + mthca_update_rate(to_mdev(ibdev), port_num); update_sm_ah(to_mdev(ibdev), port_num, - be16_to_cpup((__be16 *) (mad->data + 58)), - (*(u8 *) (mad->data + 76)) & 0xf); + be16_to_cpu(pinfo->lid), + pinfo->neighbormtu_mastersmsl & 0xf); event.device = ibdev; - event.event = IB_EVENT_LID_CHANGE; event.element.port_num = port_num; + + if(pinfo->clientrereg_resv_subnetto & 0x80) + event.event = IB_EVENT_CLIENT_REREGISTER; + else + event.event = IB_EVENT_LID_CHANGE; + ib_dispatch_event(&event); } diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c index a2eae8a3016..230ae21db8f 100644 --- a/drivers/infiniband/hw/mthca/mthca_provider.c +++ b/drivers/infiniband/hw/mthca/mthca_provider.c @@ -115,6 +115,16 @@ static int mthca_query_device(struct ib_device *ibdev, props->max_mcast_qp_attach = MTHCA_QP_PER_MGM; props->max_total_mcast_qp_attach = props->max_mcast_qp_attach * props->max_mcast_grp; + /* + * If Sinai memory key optimization is being used, then only + * the 8-bit key portion will change. For other HCAs, the + * unused index bits will also be used for FMR remapping. + */ + if (mdev->mthca_flags & MTHCA_FLAG_SINAI_OPT) + props->max_map_per_fmr = 255; + else + props->max_map_per_fmr = + (1 << (32 - long_log2(mdev->limits.num_mpts))) - 1; err = 0; out: @@ -783,18 +793,24 @@ static int mthca_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *uda if (entries < 1 || entries > dev->limits.max_cqes) return -EINVAL; + mutex_lock(&cq->mutex); + entries = roundup_pow_of_two(entries + 1); - if (entries == ibcq->cqe + 1) - return 0; + if (entries == ibcq->cqe + 1) { + ret = 0; + goto out; + } if (cq->is_kernel) { ret = mthca_alloc_resize_buf(dev, cq, entries); if (ret) - return ret; + goto out; lkey = cq->resize_buf->buf.mr.ibmr.lkey; } else { - if (ib_copy_from_udata(&ucmd, udata, sizeof ucmd)) - return -EFAULT; + if (ib_copy_from_udata(&ucmd, udata, sizeof ucmd)) { + ret = -EFAULT; + goto out; + } lkey = ucmd.lkey; } @@ -811,7 +827,7 @@ static int mthca_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *uda cq->resize_buf = NULL; spin_unlock_irq(&cq->lock); } - return ret; + goto out; } if (cq->is_kernel) { @@ -838,7 +854,10 @@ static int mthca_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *uda } else ibcq->cqe = entries - 1; - return 0; +out: + mutex_unlock(&cq->mutex); + + return ret; } static int mthca_destroy_cq(struct ib_cq *cq) diff --git a/drivers/infiniband/hw/mthca/mthca_provider.h b/drivers/infiniband/hw/mthca/mthca_provider.h index 179a8f610d0..8de2887ba15 100644 --- a/drivers/infiniband/hw/mthca/mthca_provider.h +++ b/drivers/infiniband/hw/mthca/mthca_provider.h @@ -214,6 +214,7 @@ struct mthca_cq { int arm_sn; wait_queue_head_t wait; + struct mutex mutex; }; struct mthca_srq { @@ -237,6 +238,7 @@ struct mthca_srq { struct mthca_mr mr; wait_queue_head_t wait; + struct mutex mutex; }; struct mthca_wq { @@ -278,6 +280,7 @@ struct mthca_qp { union mthca_buf queue; wait_queue_head_t wait; + struct mutex mutex; }; struct mthca_sqp { diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c index 07c13be07a4..16c387d8170 100644 --- a/drivers/infiniband/hw/mthca/mthca_qp.c +++ b/drivers/infiniband/hw/mthca/mthca_qp.c @@ -534,7 +534,9 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask) struct mthca_qp_context *qp_context; u32 sqd_event = 0; u8 status; - int err; + int err = -EINVAL; + + mutex_lock(&qp->mutex); if (attr_mask & IB_QP_CUR_STATE) { cur_state = attr->cur_qp_state; @@ -553,39 +555,41 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask) "%d->%d with attr 0x%08x\n", qp->transport, cur_state, new_state, attr_mask); - return -EINVAL; + goto out; } if ((attr_mask & IB_QP_PKEY_INDEX) && attr->pkey_index >= dev->limits.pkey_table_len) { mthca_dbg(dev, "P_Key index (%u) too large. max is %d\n", attr->pkey_index, dev->limits.pkey_table_len-1); - return -EINVAL; + goto out; } if ((attr_mask & IB_QP_PORT) && (attr->port_num == 0 || attr->port_num > dev->limits.num_ports)) { mthca_dbg(dev, "Port number (%u) is invalid\n", attr->port_num); - return -EINVAL; + goto out; } if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && attr->max_rd_atomic > dev->limits.max_qp_init_rdma) { mthca_dbg(dev, "Max rdma_atomic as initiator %u too large (max is %d)\n", attr->max_rd_atomic, dev->limits.max_qp_init_rdma); - return -EINVAL; + goto out; } if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && attr->max_dest_rd_atomic > 1 << dev->qp_table.rdb_shift) { mthca_dbg(dev, "Max rdma_atomic as responder %u too large (max %d)\n", attr->max_dest_rd_atomic, 1 << dev->qp_table.rdb_shift); - return -EINVAL; + goto out; } mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); - if (IS_ERR(mailbox)) - return PTR_ERR(mailbox); + if (IS_ERR(mailbox)) { + err = PTR_ERR(mailbox); + goto out; + } qp_param = mailbox->buf; qp_context = &qp_param->context; memset(qp_param, 0, sizeof *qp_param); @@ -618,7 +622,7 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask) if (attr->path_mtu < IB_MTU_256 || attr->path_mtu > IB_MTU_2048) { mthca_dbg(dev, "path MTU (%u) is invalid\n", attr->path_mtu); - return -EINVAL; + goto out_mailbox; } qp_context->mtu_msgmax = (attr->path_mtu << 5) | 31; } @@ -672,7 +676,7 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask) if (attr_mask & IB_QP_AV) { if (mthca_path_set(dev, &attr->ah_attr, &qp_context->pri_path, attr_mask & IB_QP_PORT ? attr->port_num : qp->port)) - return -EINVAL; + goto out_mailbox; qp_param->opt_param_mask |= cpu_to_be32(MTHCA_QP_OPTPAR_PRIMARY_ADDR_PATH); } @@ -686,18 +690,18 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask) if (attr->alt_pkey_index >= dev->limits.pkey_table_len) { mthca_dbg(dev, "Alternate P_Key index (%u) too large. max is %d\n", attr->alt_pkey_index, dev->limits.pkey_table_len-1); - return -EINVAL; + goto out_mailbox; } if (attr->alt_port_num == 0 || attr->alt_port_num > dev->limits.num_ports) { mthca_dbg(dev, "Alternate port number (%u) is invalid\n", attr->alt_port_num); - return -EINVAL; + goto out_mailbox; } if (mthca_path_set(dev, &attr->alt_ah_attr, &qp_context->alt_path, attr->alt_ah_attr.port_num)) - return -EINVAL; + goto out_mailbox; qp_context->alt_path.port_pkey |= cpu_to_be32(attr->alt_pkey_index | attr->alt_port_num << 24); @@ -793,12 +797,12 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask) err = mthca_MODIFY_QP(dev, cur_state, new_state, qp->qpn, 0, mailbox, sqd_event, &status); if (err) - goto out; + goto out_mailbox; if (status) { mthca_warn(dev, "modify QP %d->%d returned status %02x.\n", cur_state, new_state, status); err = -EINVAL; - goto out; + goto out_mailbox; } qp->state = new_state; @@ -853,8 +857,11 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask) } } -out: +out_mailbox: mthca_free_mailbox(dev, mailbox); + +out: + mutex_unlock(&qp->mutex); return err; } @@ -1100,6 +1107,7 @@ static int mthca_alloc_qp_common(struct mthca_dev *dev, qp->refcount = 1; init_waitqueue_head(&qp->wait); + mutex_init(&qp->mutex); qp->state = IB_QPS_RESET; qp->atomic_rd_en = 0; qp->resp_depth = 0; diff --git a/drivers/infiniband/hw/mthca/mthca_reset.c b/drivers/infiniband/hw/mthca/mthca_reset.c index df5e494a9d3..f4fddd5327f 100644 --- a/drivers/infiniband/hw/mthca/mthca_reset.c +++ b/drivers/infiniband/hw/mthca/mthca_reset.c @@ -49,6 +49,12 @@ int mthca_reset(struct mthca_dev *mdev) u32 *hca_header = NULL; u32 *bridge_header = NULL; struct pci_dev *bridge = NULL; + int bridge_pcix_cap = 0; + int hca_pcie_cap = 0; + int hca_pcix_cap = 0; + + u16 devctl; + u16 linkctl; #define MTHCA_RESET_OFFSET 0xf0010 #define MTHCA_RESET_VALUE swab32(1) @@ -110,6 +116,9 @@ int mthca_reset(struct mthca_dev *mdev) } } + hca_pcix_cap = pci_find_capability(mdev->pdev, PCI_CAP_ID_PCIX); + hca_pcie_cap = pci_find_capability(mdev->pdev, PCI_CAP_ID_EXP); + if (bridge) { bridge_header = kmalloc(256, GFP_KERNEL); if (!bridge_header) { @@ -129,6 +138,13 @@ int mthca_reset(struct mthca_dev *mdev) goto out; } } + bridge_pcix_cap = pci_find_capability(bridge, PCI_CAP_ID_PCIX); + if (!bridge_pcix_cap) { + err = -ENODEV; + mthca_err(mdev, "Couldn't locate HCA bridge " + "PCI-X capability, aborting.\n"); + goto out; + } } /* actually hit reset */ @@ -178,6 +194,20 @@ int mthca_reset(struct mthca_dev *mdev) good: /* Now restore the PCI headers */ if (bridge) { + if (pci_write_config_dword(bridge, bridge_pcix_cap + 0x8, + bridge_header[(bridge_pcix_cap + 0x8) / 4])) { + err = -ENODEV; + mthca_err(mdev, "Couldn't restore HCA bridge Upstream " + "split transaction control, aborting.\n"); + goto out; + } + if (pci_write_config_dword(bridge, bridge_pcix_cap + 0xc, + bridge_header[(bridge_pcix_cap + 0xc) / 4])) { + err = -ENODEV; + mthca_err(mdev, "Couldn't restore HCA bridge Downstream " + "split transaction control, aborting.\n"); + goto out; + } /* * Bridge control register is at 0x3e, so we'll * naturally restore it last in this loop. @@ -203,6 +233,35 @@ good: } } + if (hca_pcix_cap) { + if (pci_write_config_dword(mdev->pdev, hca_pcix_cap, + hca_header[hca_pcix_cap / 4])) { + err = -ENODEV; + mthca_err(mdev, "Couldn't restore HCA PCI-X " + "command register, aborting.\n"); + goto out; + } + } + + if (hca_pcie_cap) { + devctl = hca_header[(hca_pcie_cap + PCI_EXP_DEVCTL) / 4]; + if (pci_write_config_word(mdev->pdev, hca_pcie_cap + PCI_EXP_DEVCTL, + devctl)) { + err = -ENODEV; + mthca_err(mdev, "Couldn't restore HCA PCI Express " + "Device Control register, aborting.\n"); + goto out; + } + linkctl = hca_header[(hca_pcie_cap + PCI_EXP_LNKCTL) / 4]; + if (pci_write_config_word(mdev->pdev, hca_pcie_cap + PCI_EXP_LNKCTL, + linkctl)) { + err = -ENODEV; + mthca_err(mdev, "Couldn't restore HCA PCI Express " + "Link control register, aborting.\n"); + goto out; + } + } + for (i = 0; i < 16; ++i) { if (i * 4 == PCI_COMMAND) continue; diff --git a/drivers/infiniband/hw/mthca/mthca_srq.c b/drivers/infiniband/hw/mthca/mthca_srq.c index b292fefa3b4..fab417c5cf4 100644 --- a/drivers/infiniband/hw/mthca/mthca_srq.c +++ b/drivers/infiniband/hw/mthca/mthca_srq.c @@ -243,6 +243,7 @@ int mthca_alloc_srq(struct mthca_dev *dev, struct mthca_pd *pd, spin_lock_init(&srq->lock); srq->refcount = 1; init_waitqueue_head(&srq->wait); + mutex_init(&srq->mutex); if (mthca_is_memfree(dev)) mthca_arbel_init_srq_context(dev, pd, srq, mailbox->buf); @@ -371,7 +372,11 @@ int mthca_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, if (attr_mask & IB_SRQ_LIMIT) { if (attr->srq_limit > srq->max) return -EINVAL; + + mutex_lock(&srq->mutex); ret = mthca_ARM_SRQ(dev, srq->srqn, attr->srq_limit, &status); + mutex_unlock(&srq->mutex); + if (ret) return ret; if (status) |