1fb7f8973f
Current code uses many different types when dealing with a port of a RDMA device: u8, unsigned int and u32. Switch to u32 to clean up the logic. This allows us to make (at least) the core view consistent and use the same type. Unfortunately not all places can be converted. Many uverbs functions expect port to be u8 so keep those places in order not to break UAPIs. HW/Spec defined values must also not be changed. With the switch to u32 we now can support devices with more than 255 ports. U32_MAX is reserved to make control logic a bit easier to deal with. As a device with U32_MAX ports probably isn't going to happen any time soon this seems like a non issue. When a device with more than 255 ports is created uverbs will report the RDMA device as having 255 ports as this is the max currently supported. The verbs interface is not changed yet because the IBTA spec limits the port size in too many places to be u8 and all applications that relies in verbs won't be able to cope with this change. At this stage, we are extending the interfaces that are using vendor channel solely Once the limitation is lifted mlx5 in switchdev mode will be able to have thousands of SFs created by the device. As the only instance of an RDMA device that reports more than 255 ports will be a representor device and it exposes itself as a RAW Ethernet only device CM/MAD/IPoIB and other ULPs aren't effected by this change and their sysfs/interfaces that are exposes to userspace can remain unchanged. While here cleanup some alignment issues and remove unneeded sanity checks (mainly in rdmavt), Link: https://lore.kernel.org/r/20210301070420.439400-1-leon@kernel.org Signed-off-by: Mark Bloch <mbloch@nvidia.com> Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
105 lines
3.6 KiB
C
105 lines
3.6 KiB
C
#ifndef DEF_RDMAVT_H
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#define DEF_RDMAVT_H
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/*
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* Copyright(c) 2016 Intel Corporation.
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*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* GPL LICENSE SUMMARY
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* BSD LICENSE
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* - Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <rdma/rdma_vt.h>
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#include <linux/pci.h>
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#include "pd.h"
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#include "qp.h"
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#include "ah.h"
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#include "mr.h"
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#include "srq.h"
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#include "mcast.h"
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#include "mmap.h"
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#include "cq.h"
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#include "mad.h"
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#define rvt_pr_info(rdi, fmt, ...) \
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__rvt_pr_info(rdi->driver_f.get_pci_dev(rdi), \
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rvt_get_ibdev_name(rdi), \
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fmt, \
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##__VA_ARGS__)
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#define rvt_pr_warn(rdi, fmt, ...) \
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__rvt_pr_warn(rdi->driver_f.get_pci_dev(rdi), \
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rvt_get_ibdev_name(rdi), \
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fmt, \
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##__VA_ARGS__)
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#define rvt_pr_err(rdi, fmt, ...) \
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__rvt_pr_err(rdi->driver_f.get_pci_dev(rdi), \
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rvt_get_ibdev_name(rdi), \
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fmt, \
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##__VA_ARGS__)
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#define rvt_pr_err_ratelimited(rdi, fmt, ...) \
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__rvt_pr_err_ratelimited((rdi)->driver_f.get_pci_dev(rdi), \
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rvt_get_ibdev_name(rdi), \
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fmt, \
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##__VA_ARGS__)
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#define __rvt_pr_info(pdev, name, fmt, ...) \
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dev_info(&pdev->dev, "%s: " fmt, name, ##__VA_ARGS__)
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#define __rvt_pr_warn(pdev, name, fmt, ...) \
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dev_warn(&pdev->dev, "%s: " fmt, name, ##__VA_ARGS__)
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#define __rvt_pr_err(pdev, name, fmt, ...) \
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dev_err(&pdev->dev, "%s: " fmt, name, ##__VA_ARGS__)
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#define __rvt_pr_err_ratelimited(pdev, name, fmt, ...) \
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dev_err_ratelimited(&(pdev)->dev, "%s: " fmt, name, ##__VA_ARGS__)
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static inline u32 ibport_num_to_idx(struct ib_device *ibdev, u32 port_num)
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{
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return port_num - 1; /* IB ports start at 1 our arrays at 0 */
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}
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#endif /* DEF_RDMAVT_H */
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