diff options
Diffstat (limited to 'drivers/infiniband/hw/mana/mana_ib.h')
| -rw-r--r-- | drivers/infiniband/hw/mana/mana_ib.h | 275 |
1 files changed, 262 insertions, 13 deletions
diff --git a/drivers/infiniband/hw/mana/mana_ib.h b/drivers/infiniband/hw/mana/mana_ib.h index f83390eebb7d..b53a5b4de908 100644 --- a/drivers/infiniband/hw/mana/mana_ib.h +++ b/drivers/infiniband/hw/mana/mana_ib.h @@ -27,6 +27,11 @@ */ #define MANA_IB_MAX_MR 0xFFFFFFu +/* + * The CA timeout is approx. 260ms (4us * 2^(DELAY)) + */ +#define MANA_CA_ACK_DELAY 16 + struct mana_ib_adapter_caps { u32 max_sq_id; u32 max_rq_id; @@ -45,19 +50,27 @@ struct mana_ib_adapter_caps { u32 max_inline_data_size; }; +struct mana_ib_queue { + struct ib_umem *umem; + u64 gdma_region; + u64 id; +}; + struct mana_ib_dev { struct ib_device ib_dev; struct gdma_dev *gdma_dev; + mana_handle_t adapter_handle; + struct gdma_queue *fatal_err_eq; + struct gdma_queue **eqs; + struct xarray qp_table_wq; struct mana_ib_adapter_caps adapter_caps; }; struct mana_ib_wq { struct ib_wq ibwq; - struct ib_umem *umem; + struct mana_ib_queue queue; int wqe; u32 wq_buf_size; - u64 gdma_region; - u64 id; mana_handle_t rx_object; }; @@ -82,25 +95,39 @@ struct mana_ib_mr { struct mana_ib_cq { struct ib_cq ibcq; - struct ib_umem *umem; + struct mana_ib_queue queue; int cqe; - u64 gdma_region; - u64 id; u32 comp_vector; + mana_handle_t cq_handle; +}; + +enum mana_rc_queue_type { + MANA_RC_SEND_QUEUE_REQUESTER = 0, + MANA_RC_SEND_QUEUE_RESPONDER, + MANA_RC_SEND_QUEUE_FMR, + MANA_RC_RECV_QUEUE_REQUESTER, + MANA_RC_RECV_QUEUE_RESPONDER, + MANA_RC_QUEUE_TYPE_MAX, +}; + +struct mana_ib_rc_qp { + struct mana_ib_queue queues[MANA_RC_QUEUE_TYPE_MAX]; }; struct mana_ib_qp { struct ib_qp ibqp; - /* Work queue info */ - struct ib_umem *sq_umem; - int sqe; - u64 sq_gdma_region; - u64 sq_id; - mana_handle_t tx_object; + mana_handle_t qp_handle; + union { + struct mana_ib_queue raw_sq; + struct mana_ib_rc_qp rc_qp; + }; /* The port on the IB device, starting with 1 */ u32 port; + + refcount_t refcount; + struct completion free; }; struct mana_ib_ucontext { @@ -114,6 +141,15 @@ struct mana_ib_rwq_ind_table { enum mana_ib_command_code { MANA_IB_GET_ADAPTER_CAP = 0x30001, + MANA_IB_CREATE_ADAPTER = 0x30002, + MANA_IB_DESTROY_ADAPTER = 0x30003, + MANA_IB_CONFIG_IP_ADDR = 0x30004, + MANA_IB_CONFIG_MAC_ADDR = 0x30005, + MANA_IB_CREATE_CQ = 0x30008, + MANA_IB_DESTROY_CQ = 0x30009, + MANA_IB_CREATE_RC_QP = 0x3000a, + MANA_IB_DESTROY_RC_QP = 0x3000b, + MANA_IB_SET_QP_STATE = 0x3000d, }; struct mana_ib_query_adapter_caps_req { @@ -142,11 +178,185 @@ struct mana_ib_query_adapter_caps_resp { u32 max_inline_data_size; }; /* HW Data */ +struct mana_rnic_create_adapter_req { + struct gdma_req_hdr hdr; + u32 notify_eq_id; + u32 reserved; + u64 feature_flags; +}; /*HW Data */ + +struct mana_rnic_create_adapter_resp { + struct gdma_resp_hdr hdr; + mana_handle_t adapter; +}; /* HW Data */ + +struct mana_rnic_destroy_adapter_req { + struct gdma_req_hdr hdr; + mana_handle_t adapter; +}; /*HW Data */ + +struct mana_rnic_destroy_adapter_resp { + struct gdma_resp_hdr hdr; +}; /* HW Data */ + +enum mana_ib_addr_op { + ADDR_OP_ADD = 1, + ADDR_OP_REMOVE = 2, +}; + +enum sgid_entry_type { + SGID_TYPE_IPV4 = 1, + SGID_TYPE_IPV6 = 2, +}; + +struct mana_rnic_config_addr_req { + struct gdma_req_hdr hdr; + mana_handle_t adapter; + enum mana_ib_addr_op op; + enum sgid_entry_type sgid_type; + u8 ip_addr[16]; +}; /* HW Data */ + +struct mana_rnic_config_addr_resp { + struct gdma_resp_hdr hdr; +}; /* HW Data */ + +struct mana_rnic_config_mac_addr_req { + struct gdma_req_hdr hdr; + mana_handle_t adapter; + enum mana_ib_addr_op op; + u8 mac_addr[ETH_ALEN]; + u8 reserved[6]; +}; /* HW Data */ + +struct mana_rnic_config_mac_addr_resp { + struct gdma_resp_hdr hdr; +}; /* HW Data */ + +struct mana_rnic_create_cq_req { + struct gdma_req_hdr hdr; + mana_handle_t adapter; + u64 gdma_region; + u32 eq_id; + u32 doorbell_page; +}; /* HW Data */ + +struct mana_rnic_create_cq_resp { + struct gdma_resp_hdr hdr; + mana_handle_t cq_handle; + u32 cq_id; + u32 reserved; +}; /* HW Data */ + +struct mana_rnic_destroy_cq_req { + struct gdma_req_hdr hdr; + mana_handle_t adapter; + mana_handle_t cq_handle; +}; /* HW Data */ + +struct mana_rnic_destroy_cq_resp { + struct gdma_resp_hdr hdr; +}; /* HW Data */ + +enum mana_rnic_create_rc_flags { + MANA_RC_FLAG_NO_FMR = 2, +}; + +struct mana_rnic_create_qp_req { + struct gdma_req_hdr hdr; + mana_handle_t adapter; + mana_handle_t pd_handle; + mana_handle_t send_cq_handle; + mana_handle_t recv_cq_handle; + u64 dma_region[MANA_RC_QUEUE_TYPE_MAX]; + u64 deprecated[2]; + u64 flags; + u32 doorbell_page; + u32 max_send_wr; + u32 max_recv_wr; + u32 max_send_sge; + u32 max_recv_sge; + u32 reserved; +}; /* HW Data */ + +struct mana_rnic_create_qp_resp { + struct gdma_resp_hdr hdr; + mana_handle_t rc_qp_handle; + u32 queue_ids[MANA_RC_QUEUE_TYPE_MAX]; + u32 reserved; +}; /* HW Data*/ + +struct mana_rnic_destroy_rc_qp_req { + struct gdma_req_hdr hdr; + mana_handle_t adapter; + mana_handle_t rc_qp_handle; +}; /* HW Data */ + +struct mana_rnic_destroy_rc_qp_resp { + struct gdma_resp_hdr hdr; +}; /* HW Data */ + +struct mana_ib_ah_attr { + u8 src_addr[16]; + u8 dest_addr[16]; + u8 src_mac[ETH_ALEN]; + u8 dest_mac[ETH_ALEN]; + u8 src_addr_type; + u8 dest_addr_type; + u8 hop_limit; + u8 traffic_class; + u16 src_port; + u16 dest_port; + u32 reserved; +}; + +struct mana_rnic_set_qp_state_req { + struct gdma_req_hdr hdr; + mana_handle_t adapter; + mana_handle_t qp_handle; + u64 attr_mask; + u32 qp_state; + u32 path_mtu; + u32 rq_psn; + u32 sq_psn; + u32 dest_qpn; + u32 max_dest_rd_atomic; + u32 retry_cnt; + u32 rnr_retry; + u32 min_rnr_timer; + u32 reserved; + struct mana_ib_ah_attr ah_attr; +}; /* HW Data */ + +struct mana_rnic_set_qp_state_resp { + struct gdma_resp_hdr hdr; +}; /* HW Data */ + static inline struct gdma_context *mdev_to_gc(struct mana_ib_dev *mdev) { return mdev->gdma_dev->gdma_context; } +static inline struct mana_ib_qp *mana_get_qp_ref(struct mana_ib_dev *mdev, + uint32_t qid) +{ + struct mana_ib_qp *qp; + unsigned long flag; + + xa_lock_irqsave(&mdev->qp_table_wq, flag); + qp = xa_load(&mdev->qp_table_wq, qid); + if (qp) + refcount_inc(&qp->refcount); + xa_unlock_irqrestore(&mdev->qp_table_wq, flag); + return qp; +} + +static inline void mana_put_qp_ref(struct mana_ib_qp *qp) +{ + if (refcount_dec_and_test(&qp->refcount)) + complete(&qp->free); +} + static inline struct net_device *mana_ib_get_netdev(struct ib_device *ibdev, u32 port) { struct mana_ib_dev *mdev = container_of(ibdev, struct mana_ib_dev, ib_dev); @@ -158,7 +368,16 @@ static inline struct net_device *mana_ib_get_netdev(struct ib_device *ibdev, u32 return mc->ports[port - 1]; } +static inline void copy_in_reverse(u8 *dst, const u8 *src, u32 size) +{ + u32 i; + + for (i = 0; i < size; i++) + dst[size - 1 - i] = src[i]; +} + int mana_ib_install_cq_cb(struct mana_ib_dev *mdev, struct mana_ib_cq *cq); +void mana_ib_remove_cq_cb(struct mana_ib_dev *mdev, struct mana_ib_cq *cq); int mana_ib_create_zero_offset_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem, mana_handle_t *gdma_region); @@ -169,6 +388,10 @@ int mana_ib_create_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem, int mana_ib_gd_destroy_dma_region(struct mana_ib_dev *dev, mana_handle_t gdma_region); +int mana_ib_create_queue(struct mana_ib_dev *mdev, u64 addr, u32 size, + struct mana_ib_queue *queue); +void mana_ib_destroy_queue(struct mana_ib_dev *mdev, struct mana_ib_queue *queue); + struct ib_wq *mana_ib_create_wq(struct ib_pd *pd, struct ib_wq_init_attr *init_attr, struct ib_udata *udata); @@ -206,7 +429,7 @@ void mana_ib_uncfg_vport(struct mana_ib_dev *dev, struct mana_ib_pd *pd, u32 port); int mana_ib_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr, - struct ib_udata *udata); + struct uverbs_attr_bundle *attrs); int mana_ib_destroy_cq(struct ib_cq *ibcq, struct ib_udata *udata); @@ -231,4 +454,30 @@ int mana_ib_query_gid(struct ib_device *ibdev, u32 port, int index, void mana_ib_disassociate_ucontext(struct ib_ucontext *ibcontext); int mana_ib_gd_query_adapter_caps(struct mana_ib_dev *mdev); + +int mana_ib_create_eqs(struct mana_ib_dev *mdev); + +void mana_ib_destroy_eqs(struct mana_ib_dev *mdev); + +int mana_ib_gd_create_rnic_adapter(struct mana_ib_dev *mdev); + +int mana_ib_gd_destroy_rnic_adapter(struct mana_ib_dev *mdev); + +int mana_ib_query_pkey(struct ib_device *ibdev, u32 port, u16 index, u16 *pkey); + +enum rdma_link_layer mana_ib_get_link_layer(struct ib_device *device, u32 port_num); + +int mana_ib_gd_add_gid(const struct ib_gid_attr *attr, void **context); + +int mana_ib_gd_del_gid(const struct ib_gid_attr *attr, void **context); + +int mana_ib_gd_config_mac(struct mana_ib_dev *mdev, enum mana_ib_addr_op op, u8 *mac); + +int mana_ib_gd_create_cq(struct mana_ib_dev *mdev, struct mana_ib_cq *cq, u32 doorbell); + +int mana_ib_gd_destroy_cq(struct mana_ib_dev *mdev, struct mana_ib_cq *cq); + +int mana_ib_gd_create_rc_qp(struct mana_ib_dev *mdev, struct mana_ib_qp *qp, + struct ib_qp_init_attr *attr, u32 doorbell, u64 flags); +int mana_ib_gd_destroy_rc_qp(struct mana_ib_dev *mdev, struct mana_ib_qp *qp); #endif |