diff options
Diffstat (limited to 'drivers/infiniband/hw/mlx4/mlx4_ib.h')
| -rw-r--r-- | drivers/infiniband/hw/mlx4/mlx4_ib.h | 128 |
1 files changed, 126 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h index c136bb618e29..1248d576b031 100644 --- a/drivers/infiniband/hw/mlx4/mlx4_ib.h +++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h @@ -133,8 +133,10 @@ struct mlx4_ib_wq { }; enum mlx4_ib_qp_flags { - MLX4_IB_QP_LSO = 1 << 0, - MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = 1 << 1, + MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO, + MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK, + MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30, + MLX4_IB_SRIOV_SQP = 1 << 31, }; struct mlx4_ib_gid_entry { @@ -144,6 +146,68 @@ struct mlx4_ib_gid_entry { u8 port; }; +enum mlx4_ib_qp_type { + /* + * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries + * here (and in that order) since the MAD layer uses them as + * indices into a 2-entry table. + */ + MLX4_IB_QPT_SMI = IB_QPT_SMI, + MLX4_IB_QPT_GSI = IB_QPT_GSI, + + MLX4_IB_QPT_RC = IB_QPT_RC, + MLX4_IB_QPT_UC = IB_QPT_UC, + MLX4_IB_QPT_UD = IB_QPT_UD, + MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6, + MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE, + MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET, + MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI, + MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT, + + MLX4_IB_QPT_PROXY_SMI_OWNER = 1 << 16, + MLX4_IB_QPT_PROXY_SMI = 1 << 17, + MLX4_IB_QPT_PROXY_GSI = 1 << 18, + MLX4_IB_QPT_TUN_SMI_OWNER = 1 << 19, + MLX4_IB_QPT_TUN_SMI = 1 << 20, + MLX4_IB_QPT_TUN_GSI = 1 << 21, +}; + +#define MLX4_IB_QPT_ANY_SRIOV (MLX4_IB_QPT_PROXY_SMI_OWNER | \ + MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \ + MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI) + +struct mlx4_ib_tunnel_header { + struct mlx4_av av; + __be32 remote_qpn; + __be32 qkey; + __be16 vlan; + u8 mac[6]; + __be16 pkey_index; + u8 reserved[6]; +}; + +struct mlx4_ib_buf { + void *addr; + dma_addr_t map; +}; + +struct mlx4_rcv_tunnel_hdr { + __be32 flags_src_qp; /* flags[6:5] is defined for VLANs: + * 0x0 - no vlan was in the packet + * 0x01 - C-VLAN was in the packet */ + u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */ + u8 reserved; + __be16 pkey_index; + __be16 sl_vid; + __be16 slid_mac_47_32; + __be32 mac_31_0; +}; + +struct mlx4_ib_proxy_sqp_hdr { + struct ib_grh grh; + struct mlx4_rcv_tunnel_hdr tun; +} __packed; + struct mlx4_ib_qp { struct ib_qp ibqp; struct mlx4_qp mqp; @@ -159,6 +223,7 @@ struct mlx4_ib_qp { int sq_spare_wqes; struct mlx4_ib_wq sq; + enum mlx4_ib_qp_type mlx4_ib_qp_type; struct ib_umem *umem; struct mlx4_mtt mtt; int buf_size; @@ -174,6 +239,8 @@ struct mlx4_ib_qp { int mlx_type; struct list_head gid_list; struct list_head steering_rules; + struct mlx4_ib_buf *sqp_proxy_rcv; + }; struct mlx4_ib_srq { @@ -196,6 +263,55 @@ struct mlx4_ib_ah { union mlx4_ext_av av; }; +struct mlx4_ib_tun_tx_buf { + struct mlx4_ib_buf buf; + struct ib_ah *ah; +}; + +struct mlx4_ib_demux_pv_qp { + struct ib_qp *qp; + enum ib_qp_type proxy_qpt; + struct mlx4_ib_buf *ring; + struct mlx4_ib_tun_tx_buf *tx_ring; + spinlock_t tx_lock; + unsigned tx_ix_head; + unsigned tx_ix_tail; +}; + +struct mlx4_ib_demux_pv_ctx { + int port; + int slave; + int has_smi; + struct ib_device *ib_dev; + struct ib_cq *cq; + struct ib_pd *pd; + struct ib_mr *mr; + struct work_struct work; + struct workqueue_struct *wq; + struct mlx4_ib_demux_pv_qp qp[2]; +}; + +struct mlx4_ib_demux_ctx { + struct ib_device *ib_dev; + int port; + struct workqueue_struct *wq; + struct workqueue_struct *ud_wq; + spinlock_t ud_lock; + __be64 subnet_prefix; + __be64 guid_cache[128]; + struct mlx4_ib_dev *dev; + struct mlx4_ib_demux_pv_ctx **tun; +}; + +struct mlx4_ib_sriov { + struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS]; + struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS]; + /* when using this spinlock you should use "irq" because + * it may be called from interrupt context.*/ + spinlock_t going_down_lock; + int is_going_down; +}; + struct mlx4_ib_iboe { spinlock_t lock; struct net_device *netdevs[MLX4_MAX_PORTS]; @@ -216,6 +332,7 @@ struct mlx4_ib_dev { struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2]; struct ib_ah *sm_ah[MLX4_MAX_PORTS]; spinlock_t sm_lock; + struct mlx4_ib_sriov sriov; struct mutex cap_mask_mutex; bool ib_active; @@ -231,6 +348,13 @@ struct ib_event_work { struct mlx4_eqe ib_eqe; }; +struct mlx4_ib_qp_tunnel_init_attr { + struct ib_qp_init_attr init_attr; + int slave; + enum ib_qp_type proxy_qp_type; + u8 port; +}; + static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev) { return container_of(ibdev, struct mlx4_ib_dev, ib_dev); |