0  N;п /* SPDX-License-Identifier: GPL-2.0 */ /* * Shared Memory Communications over RDMA (SMC-R) and RoCE * * Definitions for the SMC module (socket related) * * Copyright IBM Corp. 2016 * * Author(s): Ursula Braun */ #ifndef _SMC_H #define _SMC_H #include #include #include #include #include "linux/ism.h" struct sock; #define SMC_MAX_PNETID_LEN 16 /* Max. length of PNET id */ struct smc_hashinfo { rwlock_t lock; struct hlist_head ht; }; /* SMCD/ISM device driver interface */ struct smcd_dmb { u64 dmb_tok; u64 rgid; u32 dmb_len; u32 sba_idx; u32 vlan_valid; u32 vlan_id; void *cpu_addr; dma_addr_t dma_addr; }; #define ISM_EVENT_DMB 0 #define ISM_EVENT_GID 1 #define ISM_EVENT_SWR 2 #define ISM_RESERVED_VLANID 0x1FFF #define ISM_ERROR 0xFFFF struct smcd_dev; struct smcd_gid { u64 gid; u64 gid_ext; }; struct smcd_ops { int (*query_remote_gid)(struct smcd_dev *dev, struct smcd_gid *rgid, u32 vid_valid, u32 vid); int (*register_dmb)(struct smcd_dev *dev, struct smcd_dmb *dmb, void *client); int (*unregister_dmb)(struct smcd_dev *dev, struct smcd_dmb *dmb); int (*move_data)(struct smcd_dev *dev, u64 dmb_tok, unsigned int idx, bool sf, unsigned int offset, void *data, unsigned int size); int (*supports_v2)(void); void (*get_local_gid)(struct smcd_dev *dev, struct smcd_gid *gid); u16 (*get_chid)(struct smcd_dev *dev); struct device* (*get_dev)(struct smcd_dev *dev); /* optional operations */ int (*add_vlan_id)(struct smcd_dev *dev, u64 vlan_id); int (*del_vlan_id)(struct smcd_dev *dev, u64 vlan_id); int (*set_vlan_required)(struct smcd_dev *dev); int (*reset_vlan_required)(struct smcd_dev *dev); int (*signal_event)(struct smcd_dev *dev, struct smcd_gid *rgid, u32 trigger_irq, u32 event_code, u64 info); int (*support_dmb_nocopy)(struct smcd_dev *dev); int (*attach_dmb)(struct smcd_dev *dev, struct smcd_dmb *dmb); int (*detach_dmb)(struct smcd_dev *dev, u64 token); }; struct smcd_dev { const struct smcd_ops *ops; void *priv; void *client; struct list_head list; spinlock_t lock; struct smc_connection **conn; struct list_head vlan; struct workqueue_struct *event_wq; u8 pnetid[SMC_MAX_PNETID_LEN]; bool pnetid_by_user; struct list_head lgr_list; spinlock_t lgr_lock; atomic_t lgr_cnt; wait_queue_head_t lgrs_deleted; u8 going_away : 1; }; #endif /* _SMC_H */  / LTZif2c&OPJ0fx`ȬpY*Kͩ΢Cϒ40='JZCL̓s|d lU!\F"L7#<($,%& '5'&()*+,ے-̒./t0d1]2r3=4R5%62x%6&8>A?@f#A9&BFCd&D%EC'FɧG#'G'I'I(J(K(L̿M(NOnn(PQWRleS7lTLGUNV,)V0XF*XY(+Z[ +\+]+^+_+`_+a}b?+c]̫d+e=fgg藫hriyjTk1    h  *0   8@*08@*0!    *0!LMTWMTKMTCETEETMSKCESTMSDEESTX gS H +  ?rΦ ʉ  b1 % ! %'*P,2).\0$3H6CI\OU-XhFTZif2c&VDOPJ0fx`ȬpY*Kͩ΢Cϒ40='JZCL̓s|d lU!\F"L7#<($,%& '5'&()*+,ے-̒./t0d1]2r3=4R5%62x%6&8>A?@f#A9&BFCd&D%EC'FɧG#'G'I'I(J(K(L̿M(NOnn(PQWRleS7l