diff options
Diffstat (limited to 'include/rdma/ib_verbs.h')
| -rw-r--r-- | include/rdma/ib_verbs.h | 176 |
1 files changed, 107 insertions, 69 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 6e9ad656ecb7..975d6e9efbcb 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -220,32 +220,24 @@ enum rdma_link_layer { }; enum ib_device_cap_flags { - IB_DEVICE_RESIZE_MAX_WR = (1 << 0), - IB_DEVICE_BAD_PKEY_CNTR = (1 << 1), - IB_DEVICE_BAD_QKEY_CNTR = (1 << 2), - IB_DEVICE_RAW_MULTI = (1 << 3), - IB_DEVICE_AUTO_PATH_MIG = (1 << 4), - IB_DEVICE_CHANGE_PHY_PORT = (1 << 5), - IB_DEVICE_UD_AV_PORT_ENFORCE = (1 << 6), - IB_DEVICE_CURR_QP_STATE_MOD = (1 << 7), - IB_DEVICE_SHUTDOWN_PORT = (1 << 8), - /* Not in use, former INIT_TYPE = (1 << 9),*/ - IB_DEVICE_PORT_ACTIVE_EVENT = (1 << 10), - IB_DEVICE_SYS_IMAGE_GUID = (1 << 11), - IB_DEVICE_RC_RNR_NAK_GEN = (1 << 12), - IB_DEVICE_SRQ_RESIZE = (1 << 13), - IB_DEVICE_N_NOTIFY_CQ = (1 << 14), - - /* - * This device supports a per-device lkey or stag that can be - * used without performing a memory registration for the local - * memory. Note that ULPs should never check this flag, but - * instead of use the local_dma_lkey flag in the ib_pd structure, - * which will always contain a usable lkey. - */ - IB_DEVICE_LOCAL_DMA_LKEY = (1 << 15), - /* Reserved, old SEND_W_INV = (1 << 16),*/ - IB_DEVICE_MEM_WINDOW = (1 << 17), + IB_DEVICE_RESIZE_MAX_WR = IB_UVERBS_DEVICE_RESIZE_MAX_WR, + IB_DEVICE_BAD_PKEY_CNTR = IB_UVERBS_DEVICE_BAD_PKEY_CNTR, + IB_DEVICE_BAD_QKEY_CNTR = IB_UVERBS_DEVICE_BAD_QKEY_CNTR, + IB_DEVICE_RAW_MULTI = IB_UVERBS_DEVICE_RAW_MULTI, + IB_DEVICE_AUTO_PATH_MIG = IB_UVERBS_DEVICE_AUTO_PATH_MIG, + IB_DEVICE_CHANGE_PHY_PORT = IB_UVERBS_DEVICE_CHANGE_PHY_PORT, + IB_DEVICE_UD_AV_PORT_ENFORCE = IB_UVERBS_DEVICE_UD_AV_PORT_ENFORCE, + IB_DEVICE_CURR_QP_STATE_MOD = IB_UVERBS_DEVICE_CURR_QP_STATE_MOD, + IB_DEVICE_SHUTDOWN_PORT = IB_UVERBS_DEVICE_SHUTDOWN_PORT, + /* IB_DEVICE_INIT_TYPE = IB_UVERBS_DEVICE_INIT_TYPE, (not in use) */ + IB_DEVICE_PORT_ACTIVE_EVENT = IB_UVERBS_DEVICE_PORT_ACTIVE_EVENT, + IB_DEVICE_SYS_IMAGE_GUID = IB_UVERBS_DEVICE_SYS_IMAGE_GUID, + IB_DEVICE_RC_RNR_NAK_GEN = IB_UVERBS_DEVICE_RC_RNR_NAK_GEN, + IB_DEVICE_SRQ_RESIZE = IB_UVERBS_DEVICE_SRQ_RESIZE, + IB_DEVICE_N_NOTIFY_CQ = IB_UVERBS_DEVICE_N_NOTIFY_CQ, + + /* Reserved, old SEND_W_INV = 1 << 16,*/ + IB_DEVICE_MEM_WINDOW = IB_UVERBS_DEVICE_MEM_WINDOW, /* * Devices should set IB_DEVICE_UD_IP_SUM if they support * insertion of UDP and TCP checksum on outgoing UD IPoIB @@ -253,9 +245,8 @@ enum ib_device_cap_flags { * incoming messages. Setting this flag implies that the * IPoIB driver may set NETIF_F_IP_CSUM for datagram mode. */ - IB_DEVICE_UD_IP_CSUM = (1 << 18), - IB_DEVICE_UD_TSO = (1 << 19), - IB_DEVICE_XRC = (1 << 20), + IB_DEVICE_UD_IP_CSUM = IB_UVERBS_DEVICE_UD_IP_CSUM, + IB_DEVICE_XRC = IB_UVERBS_DEVICE_XRC, /* * This device supports the IB "base memory management extension", @@ -266,31 +257,53 @@ enum ib_device_cap_flags { * IB_WR_RDMA_READ_WITH_INV verb for RDMA READs that invalidate the * stag. */ - IB_DEVICE_MEM_MGT_EXTENSIONS = (1 << 21), - IB_DEVICE_BLOCK_MULTICAST_LOOPBACK = (1 << 22), - IB_DEVICE_MEM_WINDOW_TYPE_2A = (1 << 23), - IB_DEVICE_MEM_WINDOW_TYPE_2B = (1 << 24), - IB_DEVICE_RC_IP_CSUM = (1 << 25), + IB_DEVICE_MEM_MGT_EXTENSIONS = IB_UVERBS_DEVICE_MEM_MGT_EXTENSIONS, + IB_DEVICE_MEM_WINDOW_TYPE_2A = IB_UVERBS_DEVICE_MEM_WINDOW_TYPE_2A, + IB_DEVICE_MEM_WINDOW_TYPE_2B = IB_UVERBS_DEVICE_MEM_WINDOW_TYPE_2B, + IB_DEVICE_RC_IP_CSUM = IB_UVERBS_DEVICE_RC_IP_CSUM, /* Deprecated. Please use IB_RAW_PACKET_CAP_IP_CSUM. */ - IB_DEVICE_RAW_IP_CSUM = (1 << 26), - /* - * Devices should set IB_DEVICE_CROSS_CHANNEL if they - * support execution of WQEs that involve synchronization - * of I/O operations with single completion queue managed - * by hardware. - */ - IB_DEVICE_CROSS_CHANNEL = (1 << 27), - IB_DEVICE_MANAGED_FLOW_STEERING = (1 << 29), - IB_DEVICE_INTEGRITY_HANDOVER = (1 << 30), - IB_DEVICE_ON_DEMAND_PAGING = (1ULL << 31), - IB_DEVICE_SG_GAPS_REG = (1ULL << 32), - IB_DEVICE_VIRTUAL_FUNCTION = (1ULL << 33), + IB_DEVICE_RAW_IP_CSUM = IB_UVERBS_DEVICE_RAW_IP_CSUM, + IB_DEVICE_MANAGED_FLOW_STEERING = + IB_UVERBS_DEVICE_MANAGED_FLOW_STEERING, /* Deprecated. Please use IB_RAW_PACKET_CAP_SCATTER_FCS. */ - IB_DEVICE_RAW_SCATTER_FCS = (1ULL << 34), - IB_DEVICE_RDMA_NETDEV_OPA = (1ULL << 35), + IB_DEVICE_RAW_SCATTER_FCS = IB_UVERBS_DEVICE_RAW_SCATTER_FCS, /* The device supports padding incoming writes to cacheline. */ - IB_DEVICE_PCI_WRITE_END_PADDING = (1ULL << 36), - IB_DEVICE_ALLOW_USER_UNREG = (1ULL << 37), + IB_DEVICE_PCI_WRITE_END_PADDING = + IB_UVERBS_DEVICE_PCI_WRITE_END_PADDING, +}; + +enum ib_kernel_cap_flags { + /* + * This device supports a per-device lkey or stag that can be + * used without performing a memory registration for the local + * memory. Note that ULPs should never check this flag, but + * instead of use the local_dma_lkey flag in the ib_pd structure, + * which will always contain a usable lkey. + */ + IBK_LOCAL_DMA_LKEY = 1 << 0, + /* IB_QP_CREATE_INTEGRITY_EN is supported to implement T10-PI */ + IBK_INTEGRITY_HANDOVER = 1 << 1, + /* IB_ACCESS_ON_DEMAND is supported during reg_user_mr() */ + IBK_ON_DEMAND_PAGING = 1 << 2, + /* IB_MR_TYPE_SG_GAPS is supported */ + IBK_SG_GAPS_REG = 1 << 3, + /* Driver supports RDMA_NLDEV_CMD_DELLINK */ + IBK_ALLOW_USER_UNREG = 1 << 4, + + /* ipoib will use IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK */ + IBK_BLOCK_MULTICAST_LOOPBACK = 1 << 5, + /* iopib will use IB_QP_CREATE_IPOIB_UD_LSO for its QPs */ + IBK_UD_TSO = 1 << 6, + /* iopib will use the device ops: + * get_vf_config + * get_vf_guid + * get_vf_stats + * set_vf_guid + * set_vf_link_state + */ + IBK_VIRTUAL_FUNCTION = 1 << 7, + /* ipoib will use IB_QP_CREATE_NETDEV_USE for its QPs */ + IBK_RDMA_NETDEV_OPA = 1 << 8, }; enum ib_atomic_cap { @@ -389,6 +402,7 @@ struct ib_device_attr { int max_qp; int max_qp_wr; u64 device_cap_flags; + u64 kernel_cap_flags; int max_send_sge; int max_recv_sge; int max_sge_rd; @@ -564,7 +578,7 @@ struct rdma_stat_desc { /** * struct rdma_hw_stats * @lock - Mutex to protect parallel write access to lifespan and values - * of counters, which are 64bits and not guaranteeed to be written + * of counters, which are 64bits and not guaranteed to be written * atomicaly on 32bits systems. * @timestamp - Used by the core code to track when the last update was * @lifespan - Used by the core code to determine how old the counters @@ -1621,19 +1635,23 @@ struct ib_srq { }; enum ib_raw_packet_caps { - /* Strip cvlan from incoming packet and report it in the matching work + /* + * Strip cvlan from incoming packet and report it in the matching work * completion is supported. */ - IB_RAW_PACKET_CAP_CVLAN_STRIPPING = (1 << 0), - /* Scatter FCS field of an incoming packet to host memory is supported. + IB_RAW_PACKET_CAP_CVLAN_STRIPPING = + IB_UVERBS_RAW_PACKET_CAP_CVLAN_STRIPPING, + /* + * Scatter FCS field of an incoming packet to host memory is supported. */ - IB_RAW_PACKET_CAP_SCATTER_FCS = (1 << 1), + IB_RAW_PACKET_CAP_SCATTER_FCS = IB_UVERBS_RAW_PACKET_CAP_SCATTER_FCS, /* Checksum offloads are supported (for both send and receive). */ - IB_RAW_PACKET_CAP_IP_CSUM = (1 << 2), - /* When a packet is received for an RQ with no receive WQEs, the + IB_RAW_PACKET_CAP_IP_CSUM = IB_UVERBS_RAW_PACKET_CAP_IP_CSUM, + /* + * When a packet is received for an RQ with no receive WQEs, the * packet processing is delayed. */ - IB_RAW_PACKET_CAP_DELAY_DROP = (1 << 3), + IB_RAW_PACKET_CAP_DELAY_DROP = IB_UVERBS_RAW_PACKET_CAP_DELAY_DROP, }; enum ib_wq_type { @@ -2497,15 +2515,7 @@ struct ib_device_ops { struct ib_flow_attr *flow_attr, struct ib_udata *udata); int (*destroy_flow)(struct ib_flow *flow_id); - struct ib_flow_action *(*create_flow_action_esp)( - struct ib_device *device, - const struct ib_flow_action_attrs_esp *attr, - struct uverbs_attr_bundle *attrs); int (*destroy_flow_action)(struct ib_flow_action *action); - int (*modify_flow_action_esp)( - struct ib_flow_action *action, - const struct ib_flow_action_attrs_esp *attr, - struct uverbs_attr_bundle *attrs); int (*set_vf_link_state)(struct ib_device *device, int vf, u32 port, int state); int (*get_vf_config)(struct ib_device *device, int vf, u32 port, @@ -4003,6 +4013,17 @@ static inline bool ib_uses_virt_dma(struct ib_device *dev) return IS_ENABLED(CONFIG_INFINIBAND_VIRT_DMA) && !dev->dma_device; } +/* + * Check if a IB device's underlying DMA mapping supports P2PDMA transfers. + */ +static inline bool ib_dma_pci_p2p_dma_supported(struct ib_device *dev) +{ + if (ib_uses_virt_dma(dev)) + return false; + + return dma_pci_p2pdma_supported(dev->dma_device); +} + /** * ib_dma_mapping_error - check a DMA addr for error * @dev: The device for which the dma_addr was created @@ -4312,7 +4333,7 @@ static inline int ib_check_mr_access(struct ib_device *ib_dev, return -EINVAL; if (flags & IB_ACCESS_ON_DEMAND && - !(ib_dev->attrs.device_cap_flags & IB_DEVICE_ON_DEMAND_PAGING)) + !(ib_dev->attrs.kernel_cap_flags & IBK_ON_DEMAND_PAGING)) return -EINVAL; return 0; } @@ -4593,7 +4614,7 @@ static inline enum rdma_ah_attr_type rdma_ah_find_type(struct ib_device *dev, /** * ib_lid_cpu16 - Return lid in 16bit CPU encoding. - * In the current implementation the only way to get + * In the current implementation the only way to * get the 32bit lid is from other sources for OPA. * For IB, lids will always be 16bits so cast the * value accordingly. @@ -4749,6 +4770,23 @@ static inline u32 rdma_calc_flow_label(u32 lqpn, u32 rqpn) return (u32)(v & IB_GRH_FLOWLABEL_MASK); } +/** + * rdma_get_udp_sport - Calculate and set UDP source port based on the flow + * label. If flow label is not defined in GRH then + * calculate it based on lqpn/rqpn. + * + * @fl: flow label from GRH + * @lqpn: local qp number + * @rqpn: remote qp number + */ +static inline u16 rdma_get_udp_sport(u32 fl, u32 lqpn, u32 rqpn) +{ + if (!fl) + fl = rdma_calc_flow_label(lqpn, rqpn); + + return rdma_flow_label_to_udp_sport(fl); +} + const struct ib_port_immutable* ib_port_immutable_read(struct ib_device *dev, unsigned int port); #endif /* IB_VERBS_H */ |