int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props, struct ib_udata *uhw) { int i, ret = 0; struct ehca_shca *shca = container_of(ibdev, struct ehca_shca, ib_device); struct hipz_query_hca *rblock; static const u32 cap_mapping[] = { IB_DEVICE_RESIZE_MAX_WR, HCA_CAP_WQE_RESIZE, IB_DEVICE_BAD_PKEY_CNTR, HCA_CAP_BAD_P_KEY_CTR, IB_DEVICE_BAD_QKEY_CNTR, HCA_CAP_Q_KEY_VIOL_CTR, IB_DEVICE_RAW_MULTI, HCA_CAP_RAW_PACKET_MCAST, IB_DEVICE_AUTO_PATH_MIG, HCA_CAP_AUTO_PATH_MIG, IB_DEVICE_CHANGE_PHY_PORT, HCA_CAP_SQD_RTS_PORT_CHANGE, IB_DEVICE_UD_AV_PORT_ENFORCE, HCA_CAP_AH_PORT_NR_CHECK, IB_DEVICE_CURR_QP_STATE_MOD, HCA_CAP_CUR_QP_STATE_MOD, IB_DEVICE_SHUTDOWN_PORT, HCA_CAP_SHUTDOWN_PORT, IB_DEVICE_INIT_TYPE, HCA_CAP_INIT_TYPE, IB_DEVICE_PORT_ACTIVE_EVENT, HCA_CAP_PORT_ACTIVE_EVENT, }; if (uhw->inlen || uhw->outlen) return -EINVAL; rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL); if (!rblock) { ehca_err(&shca->ib_device, "Can't allocate rblock memory."); return -ENOMEM; } if (hipz_h_query_hca(shca->ipz_hca_handle, rblock) != H_SUCCESS) { ehca_err(&shca->ib_device, "Can't query device properties"); ret = -EINVAL; goto query_device1; } memset(props, 0, sizeof(struct ib_device_attr)); props->page_size_cap = shca->hca_cap_mr_pgsize; props->fw_ver = rblock->hw_ver; props->max_mr_size = rblock->max_mr_size; props->vendor_id = rblock->vendor_id >> 8; props->vendor_part_id = rblock->vendor_part_id >> 16; props->hw_ver = rblock->hw_ver; props->max_qp = limit_uint(rblock->max_qp); props->max_qp_wr = limit_uint(rblock->max_wqes_wq); props->max_sge = limit_uint(rblock->max_sge); props->max_sge_rd = limit_uint(rblock->max_sge_rd); props->max_cq = limit_uint(rblock->max_cq); props->max_cqe = limit_uint(rblock->max_cqe); props->max_mr = limit_uint(rblock->max_mr); props->max_mw = limit_uint(rblock->max_mw); props->max_pd = limit_uint(rblock->max_pd); props->max_ah = limit_uint(rblock->max_ah); props->max_ee = limit_uint(rblock->max_rd_ee_context); props->max_rdd = limit_uint(rblock->max_rd_domain); props->max_fmr = limit_uint(rblock->max_mr); props->max_qp_rd_atom = limit_uint(rblock->max_rr_qp); props->max_ee_rd_atom = limit_uint(rblock->max_rr_ee_context); props->max_res_rd_atom = limit_uint(rblock->max_rr_hca); props->max_qp_init_rd_atom = limit_uint(rblock->max_act_wqs_qp); props->max_ee_init_rd_atom = limit_uint(rblock->max_act_wqs_ee_context); if (EHCA_BMASK_GET(HCA_CAP_SRQ, shca->hca_cap)) { props->max_srq = limit_uint(props->max_qp); props->max_srq_wr = limit_uint(props->max_qp_wr); props->max_srq_sge = 3; } props->max_pkeys = 16; /* Some FW versions say 0 here; insert sensible value in that case */ props->local_ca_ack_delay = rblock->local_ca_ack_delay ? min_t(u8, rblock->local_ca_ack_delay, 255) : 12; props->max_raw_ipv6_qp = limit_uint(rblock->max_raw_ipv6_qp); props->max_raw_ethy_qp = limit_uint(rblock->max_raw_ethy_qp); props->max_mcast_grp = limit_uint(rblock->max_mcast_grp); props->max_mcast_qp_attach = limit_uint(rblock->max_mcast_qp_attach); props->max_total_mcast_qp_attach = limit_uint(rblock->max_total_mcast_qp_attach); /* translate device capabilities */ props->device_cap_flags = IB_DEVICE_SYS_IMAGE_GUID | IB_DEVICE_RC_RNR_NAK_GEN | IB_DEVICE_N_NOTIFY_CQ; for (i = 0; i < ARRAY_SIZE(cap_mapping); i += 2) if (rblock->hca_cap_indicators & cap_mapping[i + 1]) props->device_cap_flags |= cap_mapping[i]; query_device1: ehca_free_fw_ctrlblock(rblock); return ret; }
int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props) { int i, ret = 0; struct ehca_shca *shca = container_of(ibdev, struct ehca_shca, ib_device); struct hipz_query_hca *rblock; static const u32 cap_mapping[] = { IB_DEVICE_RESIZE_MAX_WR, HCA_CAP_WQE_RESIZE, IB_DEVICE_BAD_PKEY_CNTR, HCA_CAP_BAD_P_KEY_CTR, IB_DEVICE_BAD_QKEY_CNTR, HCA_CAP_Q_KEY_VIOL_CTR, IB_DEVICE_RAW_MULTI, HCA_CAP_RAW_PACKET_MCAST, IB_DEVICE_AUTO_PATH_MIG, HCA_CAP_AUTO_PATH_MIG, IB_DEVICE_CHANGE_PHY_PORT, HCA_CAP_SQD_RTS_PORT_CHANGE, IB_DEVICE_UD_AV_PORT_ENFORCE, HCA_CAP_AH_PORT_NR_CHECK, IB_DEVICE_CURR_QP_STATE_MOD, HCA_CAP_CUR_QP_STATE_MOD, IB_DEVICE_SHUTDOWN_PORT, HCA_CAP_SHUTDOWN_PORT, IB_DEVICE_INIT_TYPE, HCA_CAP_INIT_TYPE, IB_DEVICE_PORT_ACTIVE_EVENT, HCA_CAP_PORT_ACTIVE_EVENT, }; rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL); if (!rblock) { ehca_err(&shca->ib_device, "Can't allocate rblock memory."); return -ENOMEM; } if (hipz_h_query_hca(shca->ipz_hca_handle, rblock) != H_SUCCESS) { ehca_err(&shca->ib_device, "Can't query device properties"); ret = -EINVAL; goto query_device1; } memset(props, 0, sizeof(struct ib_device_attr)); props->fw_ver = rblock->hw_ver; props->max_mr_size = rblock->max_mr_size; props->vendor_id = rblock->vendor_id >> 8; props->vendor_part_id = rblock->vendor_part_id >> 16; props->hw_ver = rblock->hw_ver; props->max_qp = min_t(int, rblock->max_qp, INT_MAX); props->max_qp_wr = min_t(int, rblock->max_wqes_wq, INT_MAX); props->max_sge = min_t(int, rblock->max_sge, INT_MAX); props->max_sge_rd = min_t(int, rblock->max_sge_rd, INT_MAX); props->max_cq = min_t(int, rblock->max_cq, INT_MAX); props->max_cqe = min_t(int, rblock->max_cqe, INT_MAX); props->max_mr = min_t(int, rblock->max_mr, INT_MAX); props->max_mw = min_t(int, rblock->max_mw, INT_MAX); props->max_pd = min_t(int, rblock->max_pd, INT_MAX); props->max_ah = min_t(int, rblock->max_ah, INT_MAX); props->max_fmr = min_t(int, rblock->max_mr, INT_MAX); if (EHCA_BMASK_GET(HCA_CAP_SRQ, shca->hca_cap)) { props->max_srq = props->max_qp; props->max_srq_wr = props->max_qp_wr; props->max_srq_sge = 3; } props->max_pkeys = 16; props->local_ca_ack_delay = rblock->local_ca_ack_delay; props->max_raw_ipv6_qp = min_t(int, rblock->max_raw_ipv6_qp, INT_MAX); props->max_raw_ethy_qp = min_t(int, rblock->max_raw_ethy_qp, INT_MAX); props->max_mcast_grp = min_t(int, rblock->max_mcast_grp, INT_MAX); props->max_mcast_qp_attach = min_t(int, rblock->max_mcast_qp_attach, INT_MAX); props->max_total_mcast_qp_attach = min_t(int, rblock->max_total_mcast_qp_attach, INT_MAX); /* translate device capabilities */ props->device_cap_flags = IB_DEVICE_SYS_IMAGE_GUID | IB_DEVICE_RC_RNR_NAK_GEN | IB_DEVICE_N_NOTIFY_CQ; for (i = 0; i < ARRAY_SIZE(cap_mapping); i += 2) if (rblock->hca_cap_indicators & cap_mapping[i + 1]) props->device_cap_flags |= cap_mapping[i]; query_device1: ehca_free_fw_ctrlblock(rblock); return ret; }