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70 lines
1.7 KiB
70 lines
1.7 KiB
/* 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 <[email protected]> |
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*/ |
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#ifndef _SMC_PNET_H |
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#define _SMC_PNET_H |
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#include <net/smc.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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struct smc_init_info; |
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struct smc_link_group; |
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/** |
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* struct smc_pnettable - SMC PNET table anchor |
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* @lock: Lock for list action |
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* @pnetlist: List of PNETIDs |
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*/ |
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struct smc_pnettable { |
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rwlock_t lock; |
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struct list_head pnetlist; |
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}; |
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struct smc_pnetids_ndev { /* list of pnetids for net devices in UP state*/ |
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struct list_head list; |
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rwlock_t lock; |
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}; |
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struct smc_pnetids_ndev_entry { |
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struct list_head list; |
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u8 pnetid[SMC_MAX_PNETID_LEN]; |
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refcount_t refcnt; |
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}; |
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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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int smc_pnet_net_init(struct net *net); |
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void smc_pnet_exit(void); |
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void smc_pnet_net_exit(struct net *net); |
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void smc_pnet_find_roce_resource(struct sock *sk, struct smc_init_info *ini); |
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void smc_pnet_find_ism_resource(struct sock *sk, struct smc_init_info *ini); |
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int smc_pnetid_by_table_ib(struct smc_ib_device *smcibdev, u8 ib_port); |
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int smc_pnetid_by_table_smcd(struct smcd_dev *smcd); |
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void smc_pnet_find_alt_roce(struct smc_link_group *lgr, |
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struct smc_init_info *ini, |
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struct smc_ib_device *known_dev); |
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bool smc_pnet_is_ndev_pnetid(struct net *net, u8 *pnetid); |
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bool smc_pnet_is_pnetid_set(u8 *pnetid); |
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#endif
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