X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Finfiniband%2Fhw%2Fipath%2Fipath_verbs.c;h=d70a9b6b523977f7900961431c6e4bc75934364b;hb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;hp=28fdbdaa789db8acecceb4d72192cd3a5aea19bd;hpb=4e76c8a9fa413ccc09d3f7f664183dcce3555d57;p=linux-2.6.git diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.c b/drivers/infiniband/hw/ipath/ipath_verbs.c index 28fdbdaa7..d70a9b6b5 100644 --- a/drivers/infiniband/hw/ipath/ipath_verbs.c +++ b/drivers/infiniband/hw/ipath/ipath_verbs.c @@ -1,4 +1,5 @@ /* + * Copyright (c) 2006 QLogic, Inc. All rights reserved. * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved. * * This software is available to you under a choice of one of two @@ -36,7 +37,7 @@ #include "ipath_kernel.h" #include "ipath_verbs.h" -#include "ips_common.h" +#include "ipath_common.h" /* Not static, because we don't want the compiler removing it */ const char ipath_verbs_version[] = "ipath_verbs " IPATH_IDSTR; @@ -55,9 +56,62 @@ unsigned int ib_ipath_debug; /* debug mask */ module_param_named(debug, ib_ipath_debug, uint, S_IWUSR | S_IRUGO); MODULE_PARM_DESC(debug, "Verbs debug mask"); +static unsigned int ib_ipath_max_pds = 0xFFFF; +module_param_named(max_pds, ib_ipath_max_pds, uint, S_IWUSR | S_IRUGO); +MODULE_PARM_DESC(max_pds, + "Maximum number of protection domains to support"); + +static unsigned int ib_ipath_max_ahs = 0xFFFF; +module_param_named(max_ahs, ib_ipath_max_ahs, uint, S_IWUSR | S_IRUGO); +MODULE_PARM_DESC(max_ahs, "Maximum number of address handles to support"); + +unsigned int ib_ipath_max_cqes = 0x2FFFF; +module_param_named(max_cqes, ib_ipath_max_cqes, uint, S_IWUSR | S_IRUGO); +MODULE_PARM_DESC(max_cqes, + "Maximum number of completion queue entries to support"); + +unsigned int ib_ipath_max_cqs = 0x1FFFF; +module_param_named(max_cqs, ib_ipath_max_cqs, uint, S_IWUSR | S_IRUGO); +MODULE_PARM_DESC(max_cqs, "Maximum number of completion queues to support"); + +unsigned int ib_ipath_max_qp_wrs = 0x3FFF; +module_param_named(max_qp_wrs, ib_ipath_max_qp_wrs, uint, + S_IWUSR | S_IRUGO); +MODULE_PARM_DESC(max_qp_wrs, "Maximum number of QP WRs to support"); + +unsigned int ib_ipath_max_sges = 0x60; +module_param_named(max_sges, ib_ipath_max_sges, uint, S_IWUSR | S_IRUGO); +MODULE_PARM_DESC(max_sges, "Maximum number of SGEs to support"); + +unsigned int ib_ipath_max_mcast_grps = 16384; +module_param_named(max_mcast_grps, ib_ipath_max_mcast_grps, uint, + S_IWUSR | S_IRUGO); +MODULE_PARM_DESC(max_mcast_grps, + "Maximum number of multicast groups to support"); + +unsigned int ib_ipath_max_mcast_qp_attached = 16; +module_param_named(max_mcast_qp_attached, ib_ipath_max_mcast_qp_attached, + uint, S_IWUSR | S_IRUGO); +MODULE_PARM_DESC(max_mcast_qp_attached, + "Maximum number of attached QPs to support"); + +unsigned int ib_ipath_max_srqs = 1024; +module_param_named(max_srqs, ib_ipath_max_srqs, uint, S_IWUSR | S_IRUGO); +MODULE_PARM_DESC(max_srqs, "Maximum number of SRQs to support"); + +unsigned int ib_ipath_max_srq_sges = 128; +module_param_named(max_srq_sges, ib_ipath_max_srq_sges, + uint, S_IWUSR | S_IRUGO); +MODULE_PARM_DESC(max_srq_sges, "Maximum number of SRQ SGEs to support"); + +unsigned int ib_ipath_max_srq_wrs = 0x1FFFF; +module_param_named(max_srq_wrs, ib_ipath_max_srq_wrs, + uint, S_IWUSR | S_IRUGO); +MODULE_PARM_DESC(max_srq_wrs, "Maximum number of SRQ WRs support"); + MODULE_LICENSE("GPL"); -MODULE_AUTHOR("PathScale "); -MODULE_DESCRIPTION("Pathscale InfiniPath driver"); +MODULE_AUTHOR("QLogic "); +MODULE_DESCRIPTION("QLogic InfiniPath driver"); const int ib_ipath_state_ops[IB_QPS_ERR + 1] = { [IB_QPS_RESET] = 0, @@ -137,10 +191,6 @@ void ipath_skip_sge(struct ipath_sge_state *ss, u32 length) { struct ipath_sge *sge = &ss->sge; - while (length > sge->sge_length) { - length -= sge->sge_length; - ss->sge = *ss->sg_list++; - } while (length) { u32 len = sge->length; @@ -193,7 +243,7 @@ static int ipath_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, switch (qp->ibqp.qp_type) { case IB_QPT_UC: case IB_QPT_RC: - err = ipath_post_rc_send(qp, wr); + err = ipath_post_ruc_send(qp, wr); break; case IB_QPT_SMI: @@ -375,7 +425,7 @@ static void ipath_ib_rcv(void *arg, void *rhdr, void *data, u32 tlen) /* Check for a valid destination LID (see ch. 7.11.1). */ lid = be16_to_cpu(hdr->lrh[1]); - if (lid < IPS_MULTICAST_LID_BASE) { + if (lid < IPATH_MULTICAST_LID_BASE) { lid &= ~((1 << (dev->mkeyprot_resv_lmc & 7)) - 1); if (unlikely(lid != ipath_layer_get_lid(dev->dd))) { dev->rcv_errors++; @@ -385,9 +435,9 @@ static void ipath_ib_rcv(void *arg, void *rhdr, void *data, u32 tlen) /* Check for GRH */ lnh = be16_to_cpu(hdr->lrh[0]) & 3; - if (lnh == IPS_LRH_BTH) + if (lnh == IPATH_LRH_BTH) ohdr = &hdr->u.oth; - else if (lnh == IPS_LRH_GRH) + else if (lnh == IPATH_LRH_GRH) ohdr = &hdr->u.l.oth; else { dev->rcv_errors++; @@ -399,8 +449,8 @@ static void ipath_ib_rcv(void *arg, void *rhdr, void *data, u32 tlen) dev->opstats[opcode].n_packets++; /* Get the destination QP number. */ - qp_num = be32_to_cpu(ohdr->bth[1]) & IPS_QPN_MASK; - if (qp_num == IPS_MULTICAST_QPN) { + qp_num = be32_to_cpu(ohdr->bth[1]) & IPATH_QPN_MASK; + if (qp_num == IPATH_MULTICAST_QPN) { struct ipath_mcast *mcast; struct ipath_mcast_qp *p; @@ -411,7 +461,7 @@ static void ipath_ib_rcv(void *arg, void *rhdr, void *data, u32 tlen) } dev->n_multicast_rcv++; list_for_each_entry_rcu(p, &mcast->qp_list, list) - ipath_qp_rcv(dev, hdr, lnh == IPS_LRH_GRH, data, + ipath_qp_rcv(dev, hdr, lnh == IPATH_LRH_GRH, data, tlen, p->qp); /* * Notify ipath_multicast_detach() if it is waiting for us @@ -423,7 +473,7 @@ static void ipath_ib_rcv(void *arg, void *rhdr, void *data, u32 tlen) qp = ipath_lookup_qpn(&dev->qp_table, qp_num); if (qp) { dev->n_unicast_rcv++; - ipath_qp_rcv(dev, hdr, lnh == IPS_LRH_GRH, data, + ipath_qp_rcv(dev, hdr, lnh == IPATH_LRH_GRH, data, tlen, qp); /* * Notify ipath_destroy_qp() if it is waiting @@ -567,40 +617,39 @@ static int ipath_query_device(struct ib_device *ibdev, struct ib_device_attr *props) { struct ipath_ibdev *dev = to_idev(ibdev); - u32 vendor, boardrev, majrev, minrev; memset(props, 0, sizeof(*props)); props->device_cap_flags = IB_DEVICE_BAD_PKEY_CNTR | IB_DEVICE_BAD_QKEY_CNTR | IB_DEVICE_SHUTDOWN_PORT | IB_DEVICE_SYS_IMAGE_GUID; - ipath_layer_query_device(dev->dd, &vendor, &boardrev, - &majrev, &minrev); - props->vendor_id = vendor; - props->vendor_part_id = boardrev; - props->hw_ver = boardrev << 16 | majrev << 8 | minrev; + props->page_size_cap = PAGE_SIZE; + props->vendor_id = ipath_layer_get_vendorid(dev->dd); + props->vendor_part_id = ipath_layer_get_deviceid(dev->dd); + props->hw_ver = ipath_layer_get_pcirev(dev->dd); props->sys_image_guid = dev->sys_image_guid; props->max_mr_size = ~0ull; - props->max_qp = 0xffff; - props->max_qp_wr = 0xffff; - props->max_sge = 255; - props->max_cq = 0xffff; - props->max_cqe = 0xffff; - props->max_mr = 0xffff; - props->max_pd = 0xffff; + props->max_qp = dev->qp_table.max; + props->max_qp_wr = ib_ipath_max_qp_wrs; + props->max_sge = ib_ipath_max_sges; + props->max_cq = ib_ipath_max_cqs; + props->max_ah = ib_ipath_max_ahs; + props->max_cqe = ib_ipath_max_cqes; + props->max_mr = dev->lk_table.max; + props->max_pd = ib_ipath_max_pds; props->max_qp_rd_atom = 1; props->max_qp_init_rd_atom = 1; /* props->max_res_rd_atom */ - props->max_srq = 0xffff; - props->max_srq_wr = 0xffff; - props->max_srq_sge = 255; + props->max_srq = ib_ipath_max_srqs; + props->max_srq_wr = ib_ipath_max_srq_wrs; + props->max_srq_sge = ib_ipath_max_srq_sges; /* props->local_ca_ack_delay */ props->atomic_cap = IB_ATOMIC_HCA; props->max_pkeys = ipath_layer_get_npkeys(dev->dd); - props->max_mcast_grp = 0xffff; - props->max_mcast_qp_attach = 0xffff; + props->max_mcast_grp = ib_ipath_max_mcast_grps; + props->max_mcast_qp_attach = ib_ipath_max_mcast_qp_attached; props->max_total_mcast_qp_attach = props->max_mcast_qp_attach * props->max_mcast_grp; @@ -643,10 +692,10 @@ static int ipath_query_port(struct ib_device *ibdev, ipath_layer_get_lastibcstat(dev->dd) & 0xf]; props->port_cap_flags = dev->port_cap_flags; props->gid_tbl_len = 1; - props->max_msg_sz = 4096; + props->max_msg_sz = 0x80000000; props->pkey_tbl_len = ipath_layer_get_npkeys(dev->dd); props->bad_pkey_cntr = ipath_layer_get_cr_errpkey(dev->dd) - - dev->n_pkey_violations; + dev->z_pkey_violations; props->qkey_viol_cntr = dev->qkey_violations; props->active_width = IB_WIDTH_4X; /* See rate_show() */ @@ -743,15 +792,30 @@ static struct ib_pd *ipath_alloc_pd(struct ib_device *ibdev, struct ib_ucontext *context, struct ib_udata *udata) { + struct ipath_ibdev *dev = to_idev(ibdev); struct ipath_pd *pd; struct ib_pd *ret; + /* + * This is actually totally arbitrary. Some correctness tests + * assume there's a maximum number of PDs that can be allocated. + * We don't actually have this limit, but we fail the test if + * we allow allocations of more than we report for this value. + */ + + if (dev->n_pds_allocated == ib_ipath_max_pds) { + ret = ERR_PTR(-ENOMEM); + goto bail; + } + pd = kmalloc(sizeof *pd, GFP_KERNEL); if (!pd) { ret = ERR_PTR(-ENOMEM); goto bail; } + dev->n_pds_allocated++; + /* ib_alloc_pd() will initialize pd->ibpd. */ pd->user = udata != NULL; @@ -764,6 +828,9 @@ bail: static int ipath_dealloc_pd(struct ib_pd *ibpd) { struct ipath_pd *pd = to_ipd(ibpd); + struct ipath_ibdev *dev = to_idev(ibpd->device); + + dev->n_pds_allocated--; kfree(pd); @@ -782,21 +849,40 @@ static struct ib_ah *ipath_create_ah(struct ib_pd *pd, { struct ipath_ah *ah; struct ib_ah *ret; + struct ipath_ibdev *dev = to_idev(pd->device); + + if (dev->n_ahs_allocated == ib_ipath_max_ahs) { + ret = ERR_PTR(-ENOMEM); + goto bail; + } /* A multicast address requires a GRH (see ch. 8.4.1). */ - if (ah_attr->dlid >= IPS_MULTICAST_LID_BASE && - ah_attr->dlid != IPS_PERMISSIVE_LID && + if (ah_attr->dlid >= IPATH_MULTICAST_LID_BASE && + ah_attr->dlid != IPATH_PERMISSIVE_LID && !(ah_attr->ah_flags & IB_AH_GRH)) { ret = ERR_PTR(-EINVAL); goto bail; } + if (ah_attr->dlid == 0) { + ret = ERR_PTR(-EINVAL); + goto bail; + } + + if (ah_attr->port_num < 1 || + ah_attr->port_num > pd->device->phys_port_cnt) { + ret = ERR_PTR(-EINVAL); + goto bail; + } + ah = kmalloc(sizeof *ah, GFP_ATOMIC); if (!ah) { ret = ERR_PTR(-ENOMEM); goto bail; } + dev->n_ahs_allocated++; + /* ib_create_ah() will initialize ah->ibah. */ ah->attr = *ah_attr; @@ -814,8 +900,11 @@ bail: */ static int ipath_destroy_ah(struct ib_ah *ibah) { + struct ipath_ibdev *dev = to_idev(ibah->device); struct ipath_ah *ah = to_iah(ibah); + dev->n_ahs_allocated--; + kfree(ah); return 0; @@ -889,6 +978,7 @@ static int ipath_verbs_register_sysfs(struct ib_device *dev); */ static void *ipath_register_ib_device(int unit, struct ipath_devdata *dd) { + struct ipath_layer_counters cntrs; struct ipath_ibdev *idev; struct ib_device *dev; int ret; @@ -939,6 +1029,25 @@ static void *ipath_register_ib_device(int unit, struct ipath_devdata *dd) idev->pma_counter_select[5] = IB_PMA_PORT_XMIT_WAIT; idev->link_width_enabled = 3; /* 1x or 4x */ + /* Snapshot current HW counters to "clear" them. */ + ipath_layer_get_counters(dd, &cntrs); + idev->z_symbol_error_counter = cntrs.symbol_error_counter; + idev->z_link_error_recovery_counter = + cntrs.link_error_recovery_counter; + idev->z_link_downed_counter = cntrs.link_downed_counter; + idev->z_port_rcv_errors = cntrs.port_rcv_errors; + idev->z_port_rcv_remphys_errors = + cntrs.port_rcv_remphys_errors; + idev->z_port_xmit_discards = cntrs.port_xmit_discards; + idev->z_port_xmit_data = cntrs.port_xmit_data; + idev->z_port_rcv_data = cntrs.port_rcv_data; + idev->z_port_xmit_packets = cntrs.port_xmit_packets; + idev->z_port_rcv_packets = cntrs.port_rcv_packets; + idev->z_local_link_integrity_errors = + cntrs.local_link_integrity_errors; + idev->z_excessive_buffer_overrun_errors = + cntrs.excessive_buffer_overrun_errors; + /* * The system image GUID is supposed to be the same for all * IB HCAs in a single system but since there can be other @@ -1109,11 +1218,8 @@ static ssize_t show_rev(struct class_device *cdev, char *buf) { struct ipath_ibdev *dev = container_of(cdev, struct ipath_ibdev, ibdev.class_dev); - int vendor, boardrev, majrev, minrev; - ipath_layer_query_device(dev->dd, &vendor, &boardrev, - &majrev, &minrev); - return sprintf(buf, "%d.%d\n", majrev, minrev); + return sprintf(buf, "%x\n", ipath_layer_get_pcirev(dev->dd)); } static ssize_t show_hca(struct class_device *cdev, char *buf)