swh:1:snp:49cd9498d6cccc5e78252c27dcb645bcf7bf0c91
Raw File
Tip revision: 651022382c7f8da46cb4872a545ee1da6d097d2a authored by Linus Torvalds on 04 November 2018, 23:37:52 UTC
Linux 4.20-rc1
Tip revision: 6510223
smc_pnet.h
/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Shared Memory Communications over RDMA (SMC-R) and RoCE
 *
 *  PNET table queries
 *
 *  Copyright IBM Corp. 2016
 *
 *  Author(s):  Thomas Richter <tmricht@linux.vnet.ibm.com>
 */

#ifndef _SMC_PNET_H
#define _SMC_PNET_H

#if IS_ENABLED(CONFIG_HAVE_PNETID)
#include <asm/pnet.h>
#endif

struct smc_ib_device;
struct smcd_dev;

static inline int smc_pnetid_by_dev_port(struct device *dev,
					 unsigned short port, u8 *pnetid)
{
#if IS_ENABLED(CONFIG_HAVE_PNETID)
	return pnet_id_by_dev_port(dev, port, pnetid);
#else
	return -ENOENT;
#endif
}

int smc_pnet_init(void) __init;
void smc_pnet_exit(void);
int smc_pnet_remove_by_ibdev(struct smc_ib_device *ibdev);
void smc_pnet_find_roce_resource(struct sock *sk,
				 struct smc_ib_device **smcibdev, u8 *ibport,
				 unsigned short vlan_id, u8 gid[]);
void smc_pnet_find_ism_resource(struct sock *sk, struct smcd_dev **smcismdev);

#endif
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