diff options
Diffstat (limited to 'include/net/smc.h')
| -rw-r--r-- | include/net/smc.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/include/net/smc.h b/include/net/smc.h index 8381d163fefa..9ef49f8b1002 100644 --- a/include/net/smc.h +++ b/include/net/smc.h @@ -11,6 +11,8 @@ #ifndef _SMC_H #define _SMC_H +#define SMC_MAX_PNETID_LEN 16 /* Max. length of PNET id */ + struct smc_hashinfo { rwlock_t lock; struct hlist_head ht; @@ -18,4 +20,67 @@ struct smc_hashinfo { int smc_hash_sk(struct sock *sk); void smc_unhash_sk(struct sock *sk); + +/* 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 + +struct smcd_event { + u32 type; + u32 code; + u64 tok; + u64 time; + u64 info; +}; + +struct smcd_dev; + +struct smcd_ops { + int (*query_remote_gid)(struct smcd_dev *dev, u64 rgid, u32 vid_valid, + u32 vid); + int (*register_dmb)(struct smcd_dev *dev, struct smcd_dmb *dmb); + int (*unregister_dmb)(struct smcd_dev *dev, struct smcd_dmb *dmb); + 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, u64 rgid, u32 trigger_irq, + u32 event_code, u64 info); + int (*move_data)(struct smcd_dev *dev, u64 dmb_tok, unsigned int idx, + bool sf, unsigned int offset, void *data, + unsigned int size); +}; + +struct smcd_dev { + const struct smcd_ops *ops; + struct device dev; + void *priv; + u64 local_gid; + 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]; +}; + +struct smcd_dev *smcd_alloc_dev(struct device *parent, const char *name, + const struct smcd_ops *ops, int max_dmbs); +int smcd_register_dev(struct smcd_dev *smcd); +void smcd_unregister_dev(struct smcd_dev *smcd); +void smcd_free_dev(struct smcd_dev *smcd); +void smcd_handle_event(struct smcd_dev *dev, struct smcd_event *event); +void smcd_handle_irq(struct smcd_dev *dev, unsigned int bit); #endif /* _SMC_H */ |