From aad9158bda02875cceb2408d7cc2675de2e2829a Mon Sep 17 00:00:00 2001 From: Dennis Dalessandro Date: Wed, 6 Jan 2016 09:57:58 -0800 Subject: [PATCH] IB/rdmavt: Add SRQ stubs Adds the stubs for create, modify, query, and destory for shared request queues. Reviewed-by: Mike Marciniszyn Reviewed-by: Ira Weiny Signed-off-by: Dennis Dalessandro Signed-off-by: Doug Ledford --- drivers/infiniband/sw/rdmavt/Makefile | 2 +- drivers/infiniband/sw/rdmavt/srq.c | 86 +++++++++++++++++++++++++++ drivers/infiniband/sw/rdmavt/srq.h | 61 +++++++++++++++++++ drivers/infiniband/sw/rdmavt/vt.c | 6 ++ drivers/infiniband/sw/rdmavt/vt.h | 1 + 5 files changed, 155 insertions(+), 1 deletion(-) create mode 100644 drivers/infiniband/sw/rdmavt/srq.c create mode 100644 drivers/infiniband/sw/rdmavt/srq.h diff --git a/drivers/infiniband/sw/rdmavt/Makefile b/drivers/infiniband/sw/rdmavt/Makefile index 084ee6a2f7a4..204be84b2309 100644 --- a/drivers/infiniband/sw/rdmavt/Makefile +++ b/drivers/infiniband/sw/rdmavt/Makefile @@ -7,4 +7,4 @@ # obj-$(CONFIG_INFINIBAND_RDMAVT) += rdmavt.o -rdmavt-y := vt.o ah.o dma.o mr.o pd.o qp.o +rdmavt-y := vt.o ah.o dma.o mr.o pd.o qp.o srq.o diff --git a/drivers/infiniband/sw/rdmavt/srq.c b/drivers/infiniband/sw/rdmavt/srq.c new file mode 100644 index 000000000000..bbb623a5f679 --- /dev/null +++ b/drivers/infiniband/sw/rdmavt/srq.c @@ -0,0 +1,86 @@ +/* + * 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 "srq.h" + +/** + * rvt_create_srq - create a shared receive queue + * @ibpd: the protection domain of the SRQ to create + * @srq_init_attr: the attributes of the SRQ + * @udata: data from libibverbs when creating a user SRQ + */ +struct ib_srq *rvt_create_srq(struct ib_pd *ibpd, + struct ib_srq_init_attr *srq_init_attr, + struct ib_udata *udata) +{ + return ERR_PTR(-EOPNOTSUPP); +} + +/** + * rvt_modify_srq - modify a shared receive queue + * @ibsrq: the SRQ to modify + * @attr: the new attributes of the SRQ + * @attr_mask: indicates which attributes to modify + * @udata: user data for libibverbs.so + */ +int rvt_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, + enum ib_srq_attr_mask attr_mask, + struct ib_udata *udata) +{ + return -EOPNOTSUPP; +} + +int rvt_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr) +{ + return -EOPNOTSUPP; +} + +int rvt_destroy_srq(struct ib_srq *ibsrq) +{ + return -EOPNOTSUPP; +} + diff --git a/drivers/infiniband/sw/rdmavt/srq.h b/drivers/infiniband/sw/rdmavt/srq.h new file mode 100644 index 000000000000..0c3c5a7e64cb --- /dev/null +++ b/drivers/infiniband/sw/rdmavt/srq.h @@ -0,0 +1,61 @@ +#ifndef DEF_RVTSRQ_H +#define DEF_RVTSRQ_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_srq *rvt_create_srq(struct ib_pd *ibpd, + struct ib_srq_init_attr *srq_init_attr, + struct ib_udata *udata); +int rvt_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, + enum ib_srq_attr_mask attr_mask, + struct ib_udata *udata); +int rvt_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr); +int rvt_destroy_srq(struct ib_srq *ibsrq); + +#endif /* DEF_RVTSRQ_H */ diff --git a/drivers/infiniband/sw/rdmavt/vt.c b/drivers/infiniband/sw/rdmavt/vt.c index 004ca14f376d..9b318e9c161e 100644 --- a/drivers/infiniband/sw/rdmavt/vt.c +++ b/drivers/infiniband/sw/rdmavt/vt.c @@ -232,6 +232,12 @@ int rvt_register_device(struct rvt_dev_info *rdi) CHECK_DRIVER_OVERRIDE(rdi, modify_ah); CHECK_DRIVER_OVERRIDE(rdi, query_ah); + /* Shared Receive Queue */ + CHECK_DRIVER_OVERRIDE(rdi, create_srq); + CHECK_DRIVER_OVERRIDE(rdi, modify_srq); + CHECK_DRIVER_OVERRIDE(rdi, destroy_srq); + CHECK_DRIVER_OVERRIDE(rdi, query_srq); + /* Mem Region */ CHECK_DRIVER_OVERRIDE(rdi, get_dma_mr); CHECK_DRIVER_OVERRIDE(rdi, reg_user_mr); diff --git a/drivers/infiniband/sw/rdmavt/vt.h b/drivers/infiniband/sw/rdmavt/vt.h index 78b95494d4ad..501953438788 100644 --- a/drivers/infiniband/sw/rdmavt/vt.h +++ b/drivers/infiniband/sw/rdmavt/vt.h @@ -54,5 +54,6 @@ #include "qp.h" #include "ah.h" #include "mr.h" +#include "srq.h" #endif /* DEF_RDMAVT_H */ -- 2.20.1