Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1 | /* |
| 2 | * IBM eServer eHCA Infiniband device driver for Linux on POWER |
| 3 | * |
| 4 | * SQP functions |
| 5 | * |
| 6 | * Authors: Khadija Souissi <souissi@de.ibm.com> |
| 7 | * Heiko J Schick <schickhj@de.ibm.com> |
| 8 | * |
| 9 | * Copyright (c) 2005 IBM Corporation |
| 10 | * |
| 11 | * All rights reserved. |
| 12 | * |
| 13 | * This source code is distributed under a dual license of GPL v2.0 and OpenIB |
| 14 | * BSD. |
| 15 | * |
| 16 | * OpenIB BSD License |
| 17 | * |
| 18 | * Redistribution and use in source and binary forms, with or without |
| 19 | * modification, are permitted provided that the following conditions are met: |
| 20 | * |
| 21 | * Redistributions of source code must retain the above copyright notice, this |
| 22 | * list of conditions and the following disclaimer. |
| 23 | * |
| 24 | * Redistributions in binary form must reproduce the above copyright notice, |
| 25 | * this list of conditions and the following disclaimer in the documentation |
| 26 | * and/or other materials |
| 27 | * provided with the distribution. |
| 28 | * |
| 29 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 30 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 31 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 32 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| 33 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 34 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 35 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| 36 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER |
| 37 | * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 38 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 39 | * POSSIBILITY OF SUCH DAMAGE. |
| 40 | */ |
| 41 | |
| 42 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 43 | #include "ehca_classes.h" |
| 44 | #include "ehca_tools.h" |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 45 | #include "ehca_iverbs.h" |
| 46 | #include "hcp_if.h" |
| 47 | |
| 48 | |
| 49 | /** |
| 50 | * ehca_define_sqp - Defines special queue pair 1 (GSI QP). When special queue |
| 51 | * pair is created successfully, the corresponding port gets active. |
| 52 | * |
| 53 | * Define Special Queue pair 0 (SMI QP) is still not supported. |
| 54 | * |
| 55 | * @qp_init_attr: Queue pair init attributes with port and queue pair type |
| 56 | */ |
| 57 | |
| 58 | u64 ehca_define_sqp(struct ehca_shca *shca, |
| 59 | struct ehca_qp *ehca_qp, |
| 60 | struct ib_qp_init_attr *qp_init_attr) |
| 61 | { |
| 62 | u32 pma_qp_nr, bma_qp_nr; |
| 63 | u64 ret; |
| 64 | u8 port = qp_init_attr->port_num; |
| 65 | int counter; |
| 66 | |
| 67 | shca->sport[port - 1].port_state = IB_PORT_DOWN; |
| 68 | |
| 69 | switch (qp_init_attr->qp_type) { |
| 70 | case IB_QPT_SMI: |
| 71 | /* function not supported yet */ |
| 72 | break; |
| 73 | case IB_QPT_GSI: |
| 74 | ret = hipz_h_define_aqp1(shca->ipz_hca_handle, |
| 75 | ehca_qp->ipz_qp_handle, |
| 76 | ehca_qp->galpas.kernel, |
| 77 | (u32) qp_init_attr->port_num, |
| 78 | &pma_qp_nr, &bma_qp_nr); |
| 79 | |
| 80 | if (ret != H_SUCCESS) { |
| 81 | ehca_err(&shca->ib_device, |
Joachim Fenkes | e372219 | 2007-09-11 15:32:22 +0200 | [diff] [blame] | 82 | "Can't define AQP1 for port %x. h_ret=%li", |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 83 | port, ret); |
| 84 | return ret; |
| 85 | } |
| 86 | break; |
| 87 | default: |
| 88 | ehca_err(&shca->ib_device, "invalid qp_type=%x", |
| 89 | qp_init_attr->qp_type); |
| 90 | return H_PARAMETER; |
| 91 | } |
| 92 | |
Hoang-Nam Nguyen | bbdd267 | 2008-01-17 15:05:45 +0100 | [diff] [blame^] | 93 | if (ehca_nr_ports < 0) /* autodetect mode */ |
| 94 | return H_SUCCESS; |
| 95 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 96 | for (counter = 0; |
| 97 | shca->sport[port - 1].port_state != IB_PORT_ACTIVE && |
| 98 | counter < ehca_port_act_time; |
| 99 | counter++) { |
| 100 | ehca_dbg(&shca->ib_device, "... wait until port %x is active", |
| 101 | port); |
| 102 | msleep_interruptible(1000); |
| 103 | } |
| 104 | |
| 105 | if (counter == ehca_port_act_time) { |
| 106 | ehca_err(&shca->ib_device, "Port %x is not active.", port); |
| 107 | return H_HARDWARE; |
| 108 | } |
| 109 | |
| 110 | return H_SUCCESS; |
| 111 | } |