1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Shared Memory Communications over RDMA (SMC-R) and RoCE
5 * Definitions for the SMC module (socket related)
7 * Copyright IBM Corp. 2016
9 * Author(s): Ursula Braun <ubraun@linux.vnet.ibm.com>
14 #define SMC_MAX_PNETID_LEN 16 /* Max. length of PNET id */
21 int smc_hash_sk(struct sock
*sk
);
22 void smc_unhash_sk(struct sock
*sk
);
24 /* SMCD/ISM device driver interface */
36 #define ISM_EVENT_DMB 0
37 #define ISM_EVENT_GID 1
38 #define ISM_EVENT_SWR 2
40 #define ISM_RESERVED_VLANID 0x1FFF
42 #define ISM_ERROR 0xFFFF
55 int (*query_remote_gid
)(struct smcd_dev
*dev
, u64 rgid
, u32 vid_valid
,
57 int (*register_dmb
)(struct smcd_dev
*dev
, struct smcd_dmb
*dmb
);
58 int (*unregister_dmb
)(struct smcd_dev
*dev
, struct smcd_dmb
*dmb
);
59 int (*add_vlan_id
)(struct smcd_dev
*dev
, u64 vlan_id
);
60 int (*del_vlan_id
)(struct smcd_dev
*dev
, u64 vlan_id
);
61 int (*set_vlan_required
)(struct smcd_dev
*dev
);
62 int (*reset_vlan_required
)(struct smcd_dev
*dev
);
63 int (*signal_event
)(struct smcd_dev
*dev
, u64 rgid
, u32 trigger_irq
,
64 u32 event_code
, u64 info
);
65 int (*move_data
)(struct smcd_dev
*dev
, u64 dmb_tok
, unsigned int idx
,
66 bool sf
, unsigned int offset
, void *data
,
68 void (*get_system_eid
)(struct smcd_dev
*dev
, u8
**eid
);
69 u16 (*get_chid
)(struct smcd_dev
*dev
);
73 const struct smcd_ops
*ops
;
77 struct list_head list
;
79 struct smc_connection
**conn
;
80 struct list_head vlan
;
81 struct workqueue_struct
*event_wq
;
82 u8 pnetid
[SMC_MAX_PNETID_LEN
];
84 struct list_head lgr_list
;
87 wait_queue_head_t lgrs_deleted
;
91 struct smcd_dev
*smcd_alloc_dev(struct device
*parent
, const char *name
,
92 const struct smcd_ops
*ops
, int max_dmbs
);
93 int smcd_register_dev(struct smcd_dev
*smcd
);
94 void smcd_unregister_dev(struct smcd_dev
*smcd
);
95 void smcd_free_dev(struct smcd_dev
*smcd
);
96 void smcd_handle_event(struct smcd_dev
*dev
, struct smcd_event
*event
);
97 void smcd_handle_irq(struct smcd_dev
*dev
, unsigned int bit
);