1619f77058
SMC-D relies on PNETIDs to find usable SMC-D/ISM devices for a SMC connection. This patch adds SMC-D/ISM support to the current PNETID implementation. Signed-off-by: Hans Wippel <hwippel@linux.ibm.com> Signed-off-by: Ursula Braun <ubraun@linux.ibm.com> Suggested-by: Thomas Richter <tmricht@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
40 lines
896 B
C
40 lines
896 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Shared Memory Communications over RDMA (SMC-R) and RoCE
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*
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* PNET table queries
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*
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* Copyright IBM Corp. 2016
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*
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* Author(s): Thomas Richter <tmricht@linux.vnet.ibm.com>
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*/
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#ifndef _SMC_PNET_H
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#define _SMC_PNET_H
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#if IS_ENABLED(CONFIG_HAVE_PNETID)
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#include <asm/pnet.h>
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#endif
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struct smc_ib_device;
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struct smcd_dev;
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static inline int smc_pnetid_by_dev_port(struct device *dev,
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unsigned short port, u8 *pnetid)
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{
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#if IS_ENABLED(CONFIG_HAVE_PNETID)
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return pnet_id_by_dev_port(dev, port, pnetid);
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#else
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return -ENOENT;
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#endif
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}
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int smc_pnet_init(void) __init;
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void smc_pnet_exit(void);
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int smc_pnet_remove_by_ibdev(struct smc_ib_device *ibdev);
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void smc_pnet_find_roce_resource(struct sock *sk,
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struct smc_ib_device **smcibdev, u8 *ibport);
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void smc_pnet_find_ism_resource(struct sock *sk, struct smcd_dev **smcismdev);
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#endif
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