From 4c1e497286debf733521b24c20f350a69a77b3c8 Mon Sep 17 00:00:00 2001 From: Dennis Dalessandro Date: Wed, 6 Jan 2016 09:56:41 -0800 Subject: [PATCH] IB/rdmavt: Add address handle stubs Adds the stubs for create, destroy, modify, and query of the address handle. Reviewed-by: Mike Marciniszyn Reviewed-by: Ira Weiny Signed-off-by: Dennis Dalessandro Signed-off-by: Doug Ledford --- drivers/infiniband/sw/rdmavt/Makefile | 3 +- drivers/infiniband/sw/rdmavt/ah.c | 76 +++++++++++++++++++++++++++ drivers/infiniband/sw/rdmavt/ah.h | 59 +++++++++++++++++++++ drivers/infiniband/sw/rdmavt/vt.c | 6 +++ drivers/infiniband/sw/rdmavt/vt.h | 1 + 5 files changed, 143 insertions(+), 2 deletions(-) create mode 100644 drivers/infiniband/sw/rdmavt/ah.c create mode 100644 drivers/infiniband/sw/rdmavt/ah.h diff --git a/drivers/infiniband/sw/rdmavt/Makefile b/drivers/infiniband/sw/rdmavt/Makefile index 9a9a0953830f..628c68418f1e 100644 --- a/drivers/infiniband/sw/rdmavt/Makefile +++ b/drivers/infiniband/sw/rdmavt/Makefile @@ -7,5 +7,4 @@ # obj-$(CONFIG_INFINIBAND_RDMAVT) += rdmavt.o -rdmavt-y := vt.o dma.o pd.o qp.o - +rdmavt-y := vt.o ah.o dma.o pd.o qp.o diff --git a/drivers/infiniband/sw/rdmavt/ah.c b/drivers/infiniband/sw/rdmavt/ah.c new file mode 100644 index 000000000000..d36895597304 --- /dev/null +++ b/drivers/infiniband/sw/rdmavt/ah.c @@ -0,0 +1,76 @@ +/* + * Copyright(c) 2015 Intel Corporation. + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * BSD LICENSE + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * - Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include "ah.h" + +/** + * rvt_create_ah - create an address handle + * @pd: the protection domain + * @ah_attr: the attributes of the AH + * + * This may be called from interrupt context. + */ +struct ib_ah *rvt_create_ah(struct ib_pd *pd, + struct ib_ah_attr *ah_attr) +{ + return ERR_PTR(-EOPNOTSUPP); +} + +int rvt_destroy_ah(struct ib_ah *ibah) +{ + return -EOPNOTSUPP; +} + +int rvt_modify_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr) +{ + return -EOPNOTSUPP; +} + +int rvt_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr) +{ + return -EOPNOTSUPP; +} diff --git a/drivers/infiniband/sw/rdmavt/ah.h b/drivers/infiniband/sw/rdmavt/ah.h new file mode 100644 index 000000000000..8cd7ea7303e4 --- /dev/null +++ b/drivers/infiniband/sw/rdmavt/ah.h @@ -0,0 +1,59 @@ +#ifndef DEF_RVTAH_H +#define DEF_RVTAH_H + +/* + * Copyright(c) 2015 Intel Corporation. + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * BSD LICENSE + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * - Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include + +struct ib_ah *rvt_create_ah(struct ib_pd *pd, + struct ib_ah_attr *ah_attr); +int rvt_destroy_ah(struct ib_ah *ibah); +int rvt_modify_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr); +int rvt_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr); + +#endif /* DEF_RVTAH_H */ diff --git a/drivers/infiniband/sw/rdmavt/vt.c b/drivers/infiniband/sw/rdmavt/vt.c index 07b0adac5004..62435625dd42 100644 --- a/drivers/infiniband/sw/rdmavt/vt.c +++ b/drivers/infiniband/sw/rdmavt/vt.c @@ -226,6 +226,12 @@ int rvt_register_device(struct rvt_dev_info *rdi) CHECK_DRIVER_OVERRIDE(rdi, destroy_qp); CHECK_DRIVER_OVERRIDE(rdi, query_qp); + /* Address Handle */ + CHECK_DRIVER_OVERRIDE(rdi, create_ah); + CHECK_DRIVER_OVERRIDE(rdi, destroy_ah); + CHECK_DRIVER_OVERRIDE(rdi, modify_ah); + CHECK_DRIVER_OVERRIDE(rdi, query_ah); + /* DMA Operations */ rdi->ibdev.dma_ops = rdi->ibdev.dma_ops ? : &rvt_default_dma_mapping_ops; diff --git a/drivers/infiniband/sw/rdmavt/vt.h b/drivers/infiniband/sw/rdmavt/vt.h index 8758f25e64ad..96072cdf428d 100644 --- a/drivers/infiniband/sw/rdmavt/vt.h +++ b/drivers/infiniband/sw/rdmavt/vt.h @@ -52,5 +52,6 @@ #include "dma.h" #include "pd.h" #include "qp.h" +#include "ah.h" #endif /* DEF_RDMAVT_H */ -- 2.30.2