diff options
Diffstat (limited to 'drivers/infiniband/hw/mana/mana_ib.h')
| -rw-r--r-- | drivers/infiniband/hw/mana/mana_ib.h | 130 |
1 files changed, 128 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/mana/mana_ib.h b/drivers/infiniband/hw/mana/mana_ib.h index 68c3b4f0faa4..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; @@ -57,6 +62,7 @@ struct mana_ib_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; }; @@ -95,14 +101,33 @@ struct mana_ib_cq { 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; mana_handle_t qp_handle; - struct mana_ib_queue raw_sq; + 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 { @@ -122,6 +147,9 @@ enum mana_ib_command_code { 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 { @@ -230,11 +258,105 @@ 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); @@ -307,7 +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); @@ -354,4 +476,8 @@ int mana_ib_gd_config_mac(struct mana_ib_dev *mdev, enum mana_ib_addr_op op, u8 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 |