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include/rdma/ib_verbs.h
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/* * Copyright (c) 2004 Mellanox Technologies Ltd. All rights reserved. * Copyright (c) 2004 Infinicon Corporation. All rights reserved. * Copyright (c) 2004 Intel Corporation. All rights reserved. * Copyright (c) 2004 Topspin Corporation. All rights reserved. * Copyright (c) 2004 Voltaire Corporation. All rights reserved. |
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* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved. |
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* Copyright (c) 2005, 2006, 2007 Cisco Systems. All rights reserved. |
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* * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the * OpenIB.org BSD license below: * * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the following * conditions are met: * * - Redistributions of source code must retain the above * copyright notice, this list of conditions and the following * disclaimer. * * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. |
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*/ #if !defined(IB_VERBS_H) #define IB_VERBS_H #include <linux/types.h> #include <linux/device.h> |
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#include <linux/mm.h> #include <linux/dma-mapping.h> |
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#include <linux/kref.h> |
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#include <linux/list.h> #include <linux/rwsem.h> |
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#include <linux/scatterlist.h> |
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#include <linux/workqueue.h> |
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#include <linux/atomic.h> |
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#include <asm/uaccess.h> |
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extern struct workqueue_struct *ib_wq; |
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union ib_gid { u8 raw[16]; struct { |
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__be64 subnet_prefix; __be64 interface_id; |
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} global; }; |
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enum rdma_node_type { /* IB values map to NodeInfo:NodeType. */ RDMA_NODE_IB_CA = 1, RDMA_NODE_IB_SWITCH, RDMA_NODE_IB_ROUTER, RDMA_NODE_RNIC |
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}; |
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enum rdma_transport_type { RDMA_TRANSPORT_IB, RDMA_TRANSPORT_IWARP }; enum rdma_transport_type rdma_node_get_transport(enum rdma_node_type node_type) __attribute_const__; |
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enum rdma_link_layer { IB_LINK_LAYER_UNSPECIFIED, IB_LINK_LAYER_INFINIBAND, IB_LINK_LAYER_ETHERNET, }; |
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enum ib_device_cap_flags { IB_DEVICE_RESIZE_MAX_WR = 1, 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), IB_DEVICE_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), |
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IB_DEVICE_LOCAL_DMA_LKEY = (1<<15), |
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IB_DEVICE_RESERVED = (1<<16), /* old SEND_W_INV */ |
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IB_DEVICE_MEM_WINDOW = (1<<17), /* * Devices should set IB_DEVICE_UD_IP_SUM if they support * insertion of UDP and TCP checksum on outgoing UD IPoIB * messages and can verify the validity of checksum for * 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), |
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IB_DEVICE_UD_TSO = (1<<19), |
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IB_DEVICE_XRC = (1<<20), |
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IB_DEVICE_MEM_MGT_EXTENSIONS = (1<<21), |
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IB_DEVICE_BLOCK_MULTICAST_LOOPBACK = (1<<22), |
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}; enum ib_atomic_cap { IB_ATOMIC_NONE, IB_ATOMIC_HCA, IB_ATOMIC_GLOB }; struct ib_device_attr { u64 fw_ver; |
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__be64 sys_image_guid; |
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u64 max_mr_size; u64 page_size_cap; u32 vendor_id; u32 vendor_part_id; u32 hw_ver; int max_qp; int max_qp_wr; int device_cap_flags; int max_sge; int max_sge_rd; int max_cq; int max_cqe; int max_mr; int max_pd; int max_qp_rd_atom; int max_ee_rd_atom; int max_res_rd_atom; int max_qp_init_rd_atom; int max_ee_init_rd_atom; enum ib_atomic_cap atomic_cap; |
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enum ib_atomic_cap masked_atomic_cap; |
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int max_ee; int max_rdd; int max_mw; int max_raw_ipv6_qp; int max_raw_ethy_qp; int max_mcast_grp; int max_mcast_qp_attach; int max_total_mcast_qp_attach; int max_ah; int max_fmr; int max_map_per_fmr; int max_srq; int max_srq_wr; int max_srq_sge; |
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unsigned int max_fast_reg_page_list_len; |
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u16 max_pkeys; u8 local_ca_ack_delay; }; enum ib_mtu { IB_MTU_256 = 1, IB_MTU_512 = 2, IB_MTU_1024 = 3, IB_MTU_2048 = 4, IB_MTU_4096 = 5 }; static inline int ib_mtu_enum_to_int(enum ib_mtu mtu) { switch (mtu) { case IB_MTU_256: return 256; case IB_MTU_512: return 512; case IB_MTU_1024: return 1024; case IB_MTU_2048: return 2048; case IB_MTU_4096: return 4096; default: return -1; } } enum ib_port_state { IB_PORT_NOP = 0, IB_PORT_DOWN = 1, IB_PORT_INIT = 2, IB_PORT_ARMED = 3, IB_PORT_ACTIVE = 4, IB_PORT_ACTIVE_DEFER = 5 }; enum ib_port_cap_flags { IB_PORT_SM = 1 << 1, IB_PORT_NOTICE_SUP = 1 << 2, IB_PORT_TRAP_SUP = 1 << 3, IB_PORT_OPT_IPD_SUP = 1 << 4, IB_PORT_AUTO_MIGR_SUP = 1 << 5, IB_PORT_SL_MAP_SUP = 1 << 6, IB_PORT_MKEY_NVRAM = 1 << 7, IB_PORT_PKEY_NVRAM = 1 << 8, IB_PORT_LED_INFO_SUP = 1 << 9, IB_PORT_SM_DISABLED = 1 << 10, IB_PORT_SYS_IMAGE_GUID_SUP = 1 << 11, IB_PORT_PKEY_SW_EXT_PORT_TRAP_SUP = 1 << 12, |
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IB_PORT_EXTENDED_SPEEDS_SUP = 1 << 14, |
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IB_PORT_CM_SUP = 1 << 16, IB_PORT_SNMP_TUNNEL_SUP = 1 << 17, IB_PORT_REINIT_SUP = 1 << 18, IB_PORT_DEVICE_MGMT_SUP = 1 << 19, IB_PORT_VENDOR_CLASS_SUP = 1 << 20, IB_PORT_DR_NOTICE_SUP = 1 << 21, IB_PORT_CAP_MASK_NOTICE_SUP = 1 << 22, IB_PORT_BOOT_MGMT_SUP = 1 << 23, IB_PORT_LINK_LATENCY_SUP = 1 << 24, IB_PORT_CLIENT_REG_SUP = 1 << 25 }; enum ib_port_width { IB_WIDTH_1X = 1, IB_WIDTH_4X = 2, IB_WIDTH_8X = 4, IB_WIDTH_12X = 8 }; static inline int ib_width_enum_to_int(enum ib_port_width width) { switch (width) { case IB_WIDTH_1X: return 1; case IB_WIDTH_4X: return 4; case IB_WIDTH_8X: return 8; case IB_WIDTH_12X: return 12; default: return -1; } } |
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struct ib_protocol_stats { /* TBD... */ }; struct iw_protocol_stats { u64 ipInReceives; u64 ipInHdrErrors; u64 ipInTooBigErrors; u64 ipInNoRoutes; u64 ipInAddrErrors; u64 ipInUnknownProtos; u64 ipInTruncatedPkts; u64 ipInDiscards; u64 ipInDelivers; u64 ipOutForwDatagrams; u64 ipOutRequests; u64 ipOutDiscards; u64 ipOutNoRoutes; u64 ipReasmTimeout; u64 ipReasmReqds; u64 ipReasmOKs; u64 ipReasmFails; u64 ipFragOKs; u64 ipFragFails; u64 ipFragCreates; u64 ipInMcastPkts; u64 ipOutMcastPkts; u64 ipInBcastPkts; u64 ipOutBcastPkts; u64 tcpRtoAlgorithm; u64 tcpRtoMin; u64 tcpRtoMax; u64 tcpMaxConn; u64 tcpActiveOpens; u64 tcpPassiveOpens; u64 tcpAttemptFails; u64 tcpEstabResets; u64 tcpCurrEstab; u64 tcpInSegs; u64 tcpOutSegs; u64 tcpRetransSegs; u64 tcpInErrs; u64 tcpOutRsts; }; union rdma_protocol_stats { struct ib_protocol_stats ib; struct iw_protocol_stats iw; }; |
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struct ib_port_attr { enum ib_port_state state; enum ib_mtu max_mtu; enum ib_mtu active_mtu; int gid_tbl_len; u32 port_cap_flags; u32 max_msg_sz; u32 bad_pkey_cntr; u32 qkey_viol_cntr; u16 pkey_tbl_len; u16 lid; u16 sm_lid; u8 lmc; u8 max_vl_num; u8 sm_sl; u8 subnet_timeout; u8 init_type_reply; u8 active_width; u8 active_speed; u8 phys_state; }; enum ib_device_modify_flags { |
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IB_DEVICE_MODIFY_SYS_IMAGE_GUID = 1 << 0, IB_DEVICE_MODIFY_NODE_DESC = 1 << 1 |
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}; struct ib_device_modify { u64 sys_image_guid; |
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char node_desc[64]; |
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}; enum ib_port_modify_flags { IB_PORT_SHUTDOWN = 1, IB_PORT_INIT_TYPE = (1<<2), IB_PORT_RESET_QKEY_CNTR = (1<<3) }; struct ib_port_modify { u32 set_port_cap_mask; u32 clr_port_cap_mask; u8 init_type; }; enum ib_event_type { IB_EVENT_CQ_ERR, IB_EVENT_QP_FATAL, IB_EVENT_QP_REQ_ERR, IB_EVENT_QP_ACCESS_ERR, IB_EVENT_COMM_EST, IB_EVENT_SQ_DRAINED, IB_EVENT_PATH_MIG, IB_EVENT_PATH_MIG_ERR, IB_EVENT_DEVICE_FATAL, IB_EVENT_PORT_ACTIVE, IB_EVENT_PORT_ERR, IB_EVENT_LID_CHANGE, IB_EVENT_PKEY_CHANGE, |
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IB_EVENT_SM_CHANGE, IB_EVENT_SRQ_ERR, IB_EVENT_SRQ_LIMIT_REACHED, |
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IB_EVENT_QP_LAST_WQE_REACHED, |
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IB_EVENT_CLIENT_REREGISTER, IB_EVENT_GID_CHANGE, |
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}; struct ib_event { struct ib_device *device; union { struct ib_cq *cq; struct ib_qp *qp; |
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struct ib_srq *srq; |
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u8 port_num; } element; enum ib_event_type event; }; struct ib_event_handler { struct ib_device *device; void (*handler)(struct ib_event_handler *, struct ib_event *); struct list_head list; }; #define INIT_IB_EVENT_HANDLER(_ptr, _device, _handler) \ do { \ (_ptr)->device = _device; \ (_ptr)->handler = _handler; \ INIT_LIST_HEAD(&(_ptr)->list); \ } while (0) struct ib_global_route { union ib_gid dgid; u32 flow_label; u8 sgid_index; u8 hop_limit; u8 traffic_class; }; |
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struct ib_grh { |
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__be32 version_tclass_flow; __be16 paylen; |
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u8 next_hdr; u8 hop_limit; union ib_gid sgid; union ib_gid dgid; }; |
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enum { IB_MULTICAST_QPN = 0xffffff }; |
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#define IB_LID_PERMISSIVE cpu_to_be16(0xFFFF) |
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enum ib_ah_flags { IB_AH_GRH = 1 }; |
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enum ib_rate { IB_RATE_PORT_CURRENT = 0, IB_RATE_2_5_GBPS = 2, IB_RATE_5_GBPS = 5, IB_RATE_10_GBPS = 3, IB_RATE_20_GBPS = 6, IB_RATE_30_GBPS = 4, IB_RATE_40_GBPS = 7, IB_RATE_60_GBPS = 8, IB_RATE_80_GBPS = 9, |
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IB_RATE_120_GBPS = 10, IB_RATE_14_GBPS = 11, IB_RATE_56_GBPS = 12, IB_RATE_112_GBPS = 13, IB_RATE_168_GBPS = 14, IB_RATE_25_GBPS = 15, IB_RATE_100_GBPS = 16, IB_RATE_200_GBPS = 17, IB_RATE_300_GBPS = 18 |
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}; /** * ib_rate_to_mult - Convert the IB rate enum to a multiple of the * base rate of 2.5 Gbit/sec. For example, IB_RATE_5_GBPS will be * converted to 2, since 5 Gbit/sec is 2 * 2.5 Gbit/sec. * @rate: rate to convert. */ int ib_rate_to_mult(enum ib_rate rate) __attribute_const__; /** |
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* ib_rate_to_mbps - Convert the IB rate enum to Mbps. * For example, IB_RATE_2_5_GBPS will be converted to 2500. * @rate: rate to convert. */ int ib_rate_to_mbps(enum ib_rate rate) __attribute_const__; /** |
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* mult_to_ib_rate - Convert a multiple of 2.5 Gbit/sec to an IB rate * enum. * @mult: multiple to convert. */ enum ib_rate mult_to_ib_rate(int mult) __attribute_const__; |
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struct ib_ah_attr { struct ib_global_route grh; u16 dlid; u8 sl; u8 src_path_bits; u8 static_rate; u8 ah_flags; u8 port_num; }; enum ib_wc_status { IB_WC_SUCCESS, IB_WC_LOC_LEN_ERR, IB_WC_LOC_QP_OP_ERR, IB_WC_LOC_EEC_OP_ERR, IB_WC_LOC_PROT_ERR, IB_WC_WR_FLUSH_ERR, IB_WC_MW_BIND_ERR, IB_WC_BAD_RESP_ERR, IB_WC_LOC_ACCESS_ERR, IB_WC_REM_INV_REQ_ERR, IB_WC_REM_ACCESS_ERR, IB_WC_REM_OP_ERR, IB_WC_RETRY_EXC_ERR, IB_WC_RNR_RETRY_EXC_ERR, IB_WC_LOC_RDD_VIOL_ERR, IB_WC_REM_INV_RD_REQ_ERR, IB_WC_REM_ABORT_ERR, IB_WC_INV_EECN_ERR, IB_WC_INV_EEC_STATE_ERR, IB_WC_FATAL_ERR, IB_WC_RESP_TIMEOUT_ERR, IB_WC_GENERAL_ERR }; enum ib_wc_opcode { IB_WC_SEND, IB_WC_RDMA_WRITE, IB_WC_RDMA_READ, IB_WC_COMP_SWAP, IB_WC_FETCH_ADD, IB_WC_BIND_MW, |
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IB_WC_LSO, |
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IB_WC_LOCAL_INV, IB_WC_FAST_REG_MR, |
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IB_WC_MASKED_COMP_SWAP, IB_WC_MASKED_FETCH_ADD, |
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/* * Set value of IB_WC_RECV so consumers can test if a completion is a * receive by testing (opcode & IB_WC_RECV). */ IB_WC_RECV = 1 << 7, IB_WC_RECV_RDMA_WITH_IMM }; enum ib_wc_flags { IB_WC_GRH = 1, |
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IB_WC_WITH_IMM = (1<<1), IB_WC_WITH_INVALIDATE = (1<<2), |
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}; struct ib_wc { u64 wr_id; enum ib_wc_status status; enum ib_wc_opcode opcode; u32 vendor_err; u32 byte_len; |
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struct ib_qp *qp; |
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union { __be32 imm_data; u32 invalidate_rkey; } ex; |
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u32 src_qp; int wc_flags; u16 pkey_index; u16 slid; u8 sl; u8 dlid_path_bits; u8 port_num; /* valid only for DR SMPs on switches */ |
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int csum_ok; |
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}; |
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enum ib_cq_notify_flags { IB_CQ_SOLICITED = 1 << 0, IB_CQ_NEXT_COMP = 1 << 1, IB_CQ_SOLICITED_MASK = IB_CQ_SOLICITED | IB_CQ_NEXT_COMP, IB_CQ_REPORT_MISSED_EVENTS = 1 << 2, |
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}; |
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enum ib_srq_type { |
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IB_SRQT_BASIC, IB_SRQT_XRC |
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}; |
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enum ib_srq_attr_mask { IB_SRQ_MAX_WR = 1 << 0, IB_SRQ_LIMIT = 1 << 1, }; struct ib_srq_attr { u32 max_wr; u32 max_sge; u32 srq_limit; }; struct ib_srq_init_attr { void (*event_handler)(struct ib_event *, void *); void *srq_context; struct ib_srq_attr attr; |
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enum ib_srq_type srq_type; |
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union { struct { struct ib_xrcd *xrcd; struct ib_cq *cq; } xrc; } ext; |
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}; |
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struct ib_qp_cap { u32 max_send_wr; u32 max_recv_wr; u32 max_send_sge; u32 max_recv_sge; u32 max_inline_data; }; enum ib_sig_type { IB_SIGNAL_ALL_WR, IB_SIGNAL_REQ_WR }; enum 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. */ IB_QPT_SMI, IB_QPT_GSI, IB_QPT_RC, IB_QPT_UC, IB_QPT_UD, IB_QPT_RAW_IPV6, |
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IB_QPT_RAW_ETHERTYPE, /* Save 8 for RAW_PACKET */ IB_QPT_XRC_INI = 9, IB_QPT_XRC_TGT, IB_QPT_MAX |
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}; |
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enum ib_qp_create_flags { |
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IB_QP_CREATE_IPOIB_UD_LSO = 1 << 0, IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK = 1 << 1, |
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}; |
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struct ib_qp_init_attr { void (*event_handler)(struct ib_event *, void *); void *qp_context; struct ib_cq *send_cq; struct ib_cq *recv_cq; struct ib_srq *srq; |
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struct ib_xrcd *xrcd; /* XRC TGT QPs only */ |
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struct ib_qp_cap cap; enum ib_sig_type sq_sig_type; enum ib_qp_type qp_type; |
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enum ib_qp_create_flags create_flags; |
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u8 port_num; /* special QP types only */ }; |
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struct ib_qp_open_attr { void (*event_handler)(struct ib_event *, void *); void *qp_context; u32 qp_num; enum ib_qp_type qp_type; }; |
1da177e4c Linux-2.6.12-rc2 |
611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 |
enum ib_rnr_timeout { IB_RNR_TIMER_655_36 = 0, IB_RNR_TIMER_000_01 = 1, IB_RNR_TIMER_000_02 = 2, IB_RNR_TIMER_000_03 = 3, IB_RNR_TIMER_000_04 = 4, IB_RNR_TIMER_000_06 = 5, IB_RNR_TIMER_000_08 = 6, IB_RNR_TIMER_000_12 = 7, IB_RNR_TIMER_000_16 = 8, IB_RNR_TIMER_000_24 = 9, IB_RNR_TIMER_000_32 = 10, IB_RNR_TIMER_000_48 = 11, IB_RNR_TIMER_000_64 = 12, IB_RNR_TIMER_000_96 = 13, IB_RNR_TIMER_001_28 = 14, IB_RNR_TIMER_001_92 = 15, IB_RNR_TIMER_002_56 = 16, IB_RNR_TIMER_003_84 = 17, IB_RNR_TIMER_005_12 = 18, IB_RNR_TIMER_007_68 = 19, IB_RNR_TIMER_010_24 = 20, IB_RNR_TIMER_015_36 = 21, IB_RNR_TIMER_020_48 = 22, IB_RNR_TIMER_030_72 = 23, IB_RNR_TIMER_040_96 = 24, IB_RNR_TIMER_061_44 = 25, IB_RNR_TIMER_081_92 = 26, IB_RNR_TIMER_122_88 = 27, IB_RNR_TIMER_163_84 = 28, IB_RNR_TIMER_245_76 = 29, IB_RNR_TIMER_327_68 = 30, IB_RNR_TIMER_491_52 = 31 }; enum ib_qp_attr_mask { IB_QP_STATE = 1, IB_QP_CUR_STATE = (1<<1), IB_QP_EN_SQD_ASYNC_NOTIFY = (1<<2), IB_QP_ACCESS_FLAGS = (1<<3), IB_QP_PKEY_INDEX = (1<<4), IB_QP_PORT = (1<<5), IB_QP_QKEY = (1<<6), IB_QP_AV = (1<<7), IB_QP_PATH_MTU = (1<<8), IB_QP_TIMEOUT = (1<<9), IB_QP_RETRY_CNT = (1<<10), IB_QP_RNR_RETRY = (1<<11), IB_QP_RQ_PSN = (1<<12), IB_QP_MAX_QP_RD_ATOMIC = (1<<13), IB_QP_ALT_PATH = (1<<14), IB_QP_MIN_RNR_TIMER = (1<<15), IB_QP_SQ_PSN = (1<<16), IB_QP_MAX_DEST_RD_ATOMIC = (1<<17), IB_QP_PATH_MIG_STATE = (1<<18), IB_QP_CAP = (1<<19), IB_QP_DEST_QPN = (1<<20) }; enum ib_qp_state { IB_QPS_RESET, IB_QPS_INIT, IB_QPS_RTR, IB_QPS_RTS, IB_QPS_SQD, IB_QPS_SQE, IB_QPS_ERR }; enum ib_mig_state { IB_MIG_MIGRATED, IB_MIG_REARM, IB_MIG_ARMED }; struct ib_qp_attr { enum ib_qp_state qp_state; enum ib_qp_state cur_qp_state; enum ib_mtu path_mtu; enum ib_mig_state path_mig_state; u32 qkey; u32 rq_psn; u32 sq_psn; u32 dest_qp_num; int qp_access_flags; struct ib_qp_cap cap; struct ib_ah_attr ah_attr; struct ib_ah_attr alt_ah_attr; u16 pkey_index; u16 alt_pkey_index; u8 en_sqd_async_notify; u8 sq_draining; u8 max_rd_atomic; u8 max_dest_rd_atomic; u8 min_rnr_timer; u8 port_num; u8 timeout; u8 retry_cnt; u8 rnr_retry; u8 alt_port_num; u8 alt_timeout; }; enum ib_wr_opcode { IB_WR_RDMA_WRITE, IB_WR_RDMA_WRITE_WITH_IMM, IB_WR_SEND, IB_WR_SEND_WITH_IMM, IB_WR_RDMA_READ, IB_WR_ATOMIC_CMP_AND_SWP, |
c93570f23 IB/core: Add IPoI... |
721 |
IB_WR_ATOMIC_FETCH_AND_ADD, |
0f39cf3d5 IB/core: Add supp... |
722 723 |
IB_WR_LSO, IB_WR_SEND_WITH_INV, |
00f7ec36c RDMA/core: Add me... |
724 725 726 |
IB_WR_RDMA_READ_WITH_INV, IB_WR_LOCAL_INV, IB_WR_FAST_REG_MR, |
5e80ba8ff IB/core: Add supp... |
727 728 |
IB_WR_MASKED_ATOMIC_CMP_AND_SWP, IB_WR_MASKED_ATOMIC_FETCH_AND_ADD, |
1da177e4c Linux-2.6.12-rc2 |
729 730 731 732 733 734 |
}; enum ib_send_flags { IB_SEND_FENCE = 1, IB_SEND_SIGNALED = (1<<1), IB_SEND_SOLICITED = (1<<2), |
e0605d919 IB/core: Add IP c... |
735 736 |
IB_SEND_INLINE = (1<<3), IB_SEND_IP_CSUM = (1<<4) |
1da177e4c Linux-2.6.12-rc2 |
737 738 739 740 741 742 743 |
}; struct ib_sge { u64 addr; u32 length; u32 lkey; }; |
00f7ec36c RDMA/core: Add me... |
744 745 746 747 748 |
struct ib_fast_reg_page_list { struct ib_device *device; u64 *page_list; unsigned int max_page_list_len; }; |
1da177e4c Linux-2.6.12-rc2 |
749 750 751 752 753 754 755 |
struct ib_send_wr { struct ib_send_wr *next; u64 wr_id; struct ib_sge *sg_list; int num_sge; enum ib_wr_opcode opcode; int send_flags; |
0f39cf3d5 IB/core: Add supp... |
756 757 758 759 |
union { __be32 imm_data; u32 invalidate_rkey; } ex; |
1da177e4c Linux-2.6.12-rc2 |
760 761 762 763 764 765 766 767 768 |
union { struct { u64 remote_addr; u32 rkey; } rdma; struct { u64 remote_addr; u64 compare_add; u64 swap; |
5e80ba8ff IB/core: Add supp... |
769 770 |
u64 compare_add_mask; u64 swap_mask; |
1da177e4c Linux-2.6.12-rc2 |
771 772 773 774 |
u32 rkey; } atomic; struct { struct ib_ah *ah; |
c93570f23 IB/core: Add IPoI... |
775 776 777 |
void *header; int hlen; int mss; |
1da177e4c Linux-2.6.12-rc2 |
778 779 |
u32 remote_qpn; u32 remote_qkey; |
1da177e4c Linux-2.6.12-rc2 |
780 781 782 |
u16 pkey_index; /* valid for GSI only */ u8 port_num; /* valid for DR SMPs on switch only */ } ud; |
00f7ec36c RDMA/core: Add me... |
783 784 785 786 787 788 789 790 791 |
struct { u64 iova_start; struct ib_fast_reg_page_list *page_list; unsigned int page_shift; unsigned int page_list_len; u32 length; int access_flags; u32 rkey; } fast_reg; |
1da177e4c Linux-2.6.12-rc2 |
792 |
} wr; |
b42b63cf0 RDMA/core: Add XR... |
793 |
u32 xrc_remote_srq_num; /* XRC TGT QPs only */ |
1da177e4c Linux-2.6.12-rc2 |
794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 |
}; struct ib_recv_wr { struct ib_recv_wr *next; u64 wr_id; struct ib_sge *sg_list; int num_sge; }; enum ib_access_flags { IB_ACCESS_LOCAL_WRITE = 1, IB_ACCESS_REMOTE_WRITE = (1<<1), IB_ACCESS_REMOTE_READ = (1<<2), IB_ACCESS_REMOTE_ATOMIC = (1<<3), IB_ACCESS_MW_BIND = (1<<4) }; struct ib_phys_buf { u64 addr; u64 size; }; struct ib_mr_attr { struct ib_pd *pd; u64 device_virt_addr; u64 size; int mr_access_flags; u32 lkey; u32 rkey; }; enum ib_mr_rereg_flags { IB_MR_REREG_TRANS = 1, IB_MR_REREG_PD = (1<<1), IB_MR_REREG_ACCESS = (1<<2) }; struct ib_mw_bind { struct ib_mr *mr; u64 wr_id; u64 addr; u32 length; int send_flags; int mw_access_flags; }; struct ib_fmr_attr { int max_pages; int max_maps; |
d36f34aad IB: Enable FMR po... |
843 |
u8 page_shift; |
1da177e4c Linux-2.6.12-rc2 |
844 |
}; |
e2773c062 [PATCH] IB uverbs... |
845 846 847 848 849 850 851 852 853 |
struct ib_ucontext { struct ib_device *device; struct list_head pd_list; struct list_head mr_list; struct list_head mw_list; struct list_head cq_list; struct list_head qp_list; struct list_head srq_list; struct list_head ah_list; |
53d0bd1e7 RDMA/uverbs: Expo... |
854 |
struct list_head xrcd_list; |
f7c6a7b5d IB/uverbs: Export... |
855 |
int closing; |
e2773c062 [PATCH] IB uverbs... |
856 857 858 859 860 |
}; struct ib_uobject { u64 user_handle; /* handle given to us by userspace */ struct ib_ucontext *context; /* associated user context */ |
9ead190bf IB/uverbs: Don't ... |
861 |
void *object; /* containing object */ |
e2773c062 [PATCH] IB uverbs... |
862 |
struct list_head list; /* link to context's list */ |
b3d636b0d IB: Make struct i... |
863 |
int id; /* index into kernel idr */ |
9ead190bf IB/uverbs: Don't ... |
864 865 866 |
struct kref ref; struct rw_semaphore mutex; /* protects .live */ int live; |
e2773c062 [PATCH] IB uverbs... |
867 |
}; |
e2773c062 [PATCH] IB uverbs... |
868 869 870 871 872 873 |
struct ib_udata { void __user *inbuf; void __user *outbuf; size_t inlen; size_t outlen; }; |
1da177e4c Linux-2.6.12-rc2 |
874 |
struct ib_pd { |
e2773c062 [PATCH] IB uverbs... |
875 876 877 |
struct ib_device *device; struct ib_uobject *uobject; atomic_t usecnt; /* count all resources */ |
1da177e4c Linux-2.6.12-rc2 |
878 |
}; |
59991f94e RDMA/core: Add XR... |
879 880 |
struct ib_xrcd { struct ib_device *device; |
d3d72d909 RDMA/verbs: Clean... |
881 |
atomic_t usecnt; /* count all exposed resources */ |
53d0bd1e7 RDMA/uverbs: Expo... |
882 |
struct inode *inode; |
d3d72d909 RDMA/verbs: Clean... |
883 884 885 |
struct mutex tgt_qp_mutex; struct list_head tgt_qp_list; |
59991f94e RDMA/core: Add XR... |
886 |
}; |
1da177e4c Linux-2.6.12-rc2 |
887 888 889 |
struct ib_ah { struct ib_device *device; struct ib_pd *pd; |
e2773c062 [PATCH] IB uverbs... |
890 |
struct ib_uobject *uobject; |
1da177e4c Linux-2.6.12-rc2 |
891 892 893 894 895 |
}; typedef void (*ib_comp_handler)(struct ib_cq *cq, void *cq_context); struct ib_cq { |
e2773c062 [PATCH] IB uverbs... |
896 897 898 899 |
struct ib_device *device; struct ib_uobject *uobject; ib_comp_handler comp_handler; void (*event_handler)(struct ib_event *, void *); |
4deccd6d9 RDMA: Improve inc... |
900 |
void *cq_context; |
e2773c062 [PATCH] IB uverbs... |
901 902 |
int cqe; atomic_t usecnt; /* count number of work queues */ |
1da177e4c Linux-2.6.12-rc2 |
903 904 905 |
}; struct ib_srq { |
d41fcc670 [PATCH] IB: Add S... |
906 907 908 909 910 |
struct ib_device *device; struct ib_pd *pd; struct ib_uobject *uobject; void (*event_handler)(struct ib_event *, void *); void *srq_context; |
96104eda0 RDMA/core: Add SR... |
911 |
enum ib_srq_type srq_type; |
1da177e4c Linux-2.6.12-rc2 |
912 |
atomic_t usecnt; |
418d51307 RDMA/core: Add XR... |
913 914 915 916 917 918 919 920 |
union { struct { struct ib_xrcd *xrcd; struct ib_cq *cq; u32 srq_num; } xrc; } ext; |
1da177e4c Linux-2.6.12-rc2 |
921 922 923 924 925 926 927 928 |
}; struct ib_qp { struct ib_device *device; struct ib_pd *pd; struct ib_cq *send_cq; struct ib_cq *recv_cq; struct ib_srq *srq; |
b42b63cf0 RDMA/core: Add XR... |
929 |
struct ib_xrcd *xrcd; /* XRC TGT QPs only */ |
d3d72d909 RDMA/verbs: Clean... |
930 |
struct list_head xrcd_list; |
0e0ec7e06 RDMA/core: Export... |
931 932 933 |
atomic_t usecnt; /* count times opened */ struct list_head open_list; struct ib_qp *real_qp; |
e2773c062 [PATCH] IB uverbs... |
934 |
struct ib_uobject *uobject; |
1da177e4c Linux-2.6.12-rc2 |
935 936 937 938 939 940 941 |
void (*event_handler)(struct ib_event *, void *); void *qp_context; u32 qp_num; enum ib_qp_type qp_type; }; struct ib_mr { |
e2773c062 [PATCH] IB uverbs... |
942 943 944 945 946 947 |
struct ib_device *device; struct ib_pd *pd; struct ib_uobject *uobject; u32 lkey; u32 rkey; atomic_t usecnt; /* count number of MWs */ |
1da177e4c Linux-2.6.12-rc2 |
948 949 950 951 952 |
}; struct ib_mw { struct ib_device *device; struct ib_pd *pd; |
e2773c062 [PATCH] IB uverbs... |
953 |
struct ib_uobject *uobject; |
1da177e4c Linux-2.6.12-rc2 |
954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 |
u32 rkey; }; struct ib_fmr { struct ib_device *device; struct ib_pd *pd; struct list_head list; u32 lkey; u32 rkey; }; struct ib_mad; struct ib_grh; enum ib_process_mad_flags { IB_MAD_IGNORE_MKEY = 1, IB_MAD_IGNORE_BKEY = 2, IB_MAD_IGNORE_ALL = IB_MAD_IGNORE_MKEY | IB_MAD_IGNORE_BKEY }; enum ib_mad_result { IB_MAD_RESULT_FAILURE = 0, /* (!SUCCESS is the important flag) */ IB_MAD_RESULT_SUCCESS = 1 << 0, /* MAD was successfully processed */ IB_MAD_RESULT_REPLY = 1 << 1, /* Reply packet needs to be sent */ IB_MAD_RESULT_CONSUMED = 1 << 2 /* Packet consumed: stop processing */ }; #define IB_DEVICE_NAME_MAX 64 struct ib_cache { rwlock_t lock; struct ib_event_handler event_handler; struct ib_pkey_cache **pkey_cache; struct ib_gid_cache **gid_cache; |
6fb9cdbf2 IB: Add caching o... |
988 |
u8 *lmc_cache; |
1da177e4c Linux-2.6.12-rc2 |
989 |
}; |
9b513090a IB: Add DMA mappi... |
990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 |
struct ib_dma_mapping_ops { int (*mapping_error)(struct ib_device *dev, u64 dma_addr); u64 (*map_single)(struct ib_device *dev, void *ptr, size_t size, enum dma_data_direction direction); void (*unmap_single)(struct ib_device *dev, u64 addr, size_t size, enum dma_data_direction direction); u64 (*map_page)(struct ib_device *dev, struct page *page, unsigned long offset, size_t size, enum dma_data_direction direction); void (*unmap_page)(struct ib_device *dev, u64 addr, size_t size, enum dma_data_direction direction); int (*map_sg)(struct ib_device *dev, struct scatterlist *sg, int nents, enum dma_data_direction direction); void (*unmap_sg)(struct ib_device *dev, struct scatterlist *sg, int nents, enum dma_data_direction direction); u64 (*dma_address)(struct ib_device *dev, struct scatterlist *sg); unsigned int (*dma_len)(struct ib_device *dev, struct scatterlist *sg); void (*sync_single_for_cpu)(struct ib_device *dev, u64 dma_handle, size_t size, |
4deccd6d9 RDMA: Improve inc... |
1019 |
enum dma_data_direction dir); |
9b513090a IB: Add DMA mappi... |
1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 |
void (*sync_single_for_device)(struct ib_device *dev, u64 dma_handle, size_t size, enum dma_data_direction dir); void *(*alloc_coherent)(struct ib_device *dev, size_t size, u64 *dma_handle, gfp_t flag); void (*free_coherent)(struct ib_device *dev, size_t size, void *cpu_addr, u64 dma_handle); }; |
07ebafbaa RDMA: iWARP Core ... |
1032 |
struct iw_cm_verbs; |
1da177e4c Linux-2.6.12-rc2 |
1033 1034 1035 1036 1037 1038 1039 |
struct ib_device { struct device *dma_device; char name[IB_DEVICE_NAME_MAX]; struct list_head event_handler_list; spinlock_t event_handler_lock; |
17a55f79f IB/core: Pack str... |
1040 |
spinlock_t client_data_lock; |
1da177e4c Linux-2.6.12-rc2 |
1041 1042 |
struct list_head core_list; struct list_head client_data_list; |
1da177e4c Linux-2.6.12-rc2 |
1043 1044 |
struct ib_cache cache; |
5eb620c81 IB/core: Add help... |
1045 1046 |
int *pkey_tbl_len; int *gid_tbl_len; |
1da177e4c Linux-2.6.12-rc2 |
1047 |
|
f4fd0b224 IB: Add CQ comp_v... |
1048 |
int num_comp_vectors; |
07ebafbaa RDMA: iWARP Core ... |
1049 |
struct iw_cm_verbs *iwcm; |
7f624d023 RDMA/core: Add iW... |
1050 1051 |
int (*get_protocol_stats)(struct ib_device *device, union rdma_protocol_stats *stats); |
1da177e4c Linux-2.6.12-rc2 |
1052 1053 1054 1055 1056 |
int (*query_device)(struct ib_device *device, struct ib_device_attr *device_attr); int (*query_port)(struct ib_device *device, u8 port_num, struct ib_port_attr *port_attr); |
a3f5adaf4 IB/core: Add link... |
1057 1058 |
enum rdma_link_layer (*get_link_layer)(struct ib_device *device, u8 port_num); |
1da177e4c Linux-2.6.12-rc2 |
1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 |
int (*query_gid)(struct ib_device *device, u8 port_num, int index, union ib_gid *gid); int (*query_pkey)(struct ib_device *device, u8 port_num, u16 index, u16 *pkey); int (*modify_device)(struct ib_device *device, int device_modify_mask, struct ib_device_modify *device_modify); int (*modify_port)(struct ib_device *device, u8 port_num, int port_modify_mask, struct ib_port_modify *port_modify); |
e2773c062 [PATCH] IB uverbs... |
1070 1071 1072 1073 1074 1075 1076 1077 |
struct ib_ucontext * (*alloc_ucontext)(struct ib_device *device, struct ib_udata *udata); int (*dealloc_ucontext)(struct ib_ucontext *context); int (*mmap)(struct ib_ucontext *context, struct vm_area_struct *vma); struct ib_pd * (*alloc_pd)(struct ib_device *device, struct ib_ucontext *context, struct ib_udata *udata); |
1da177e4c Linux-2.6.12-rc2 |
1078 1079 1080 1081 1082 1083 1084 1085 |
int (*dealloc_pd)(struct ib_pd *pd); struct ib_ah * (*create_ah)(struct ib_pd *pd, struct ib_ah_attr *ah_attr); int (*modify_ah)(struct ib_ah *ah, struct ib_ah_attr *ah_attr); int (*query_ah)(struct ib_ah *ah, struct ib_ah_attr *ah_attr); int (*destroy_ah)(struct ib_ah *ah); |
d41fcc670 [PATCH] IB: Add S... |
1086 1087 1088 1089 1090 |
struct ib_srq * (*create_srq)(struct ib_pd *pd, struct ib_srq_init_attr *srq_init_attr, struct ib_udata *udata); int (*modify_srq)(struct ib_srq *srq, struct ib_srq_attr *srq_attr, |
9bc57e2d1 IB/uverbs: Pass u... |
1091 1092 |
enum ib_srq_attr_mask srq_attr_mask, struct ib_udata *udata); |
d41fcc670 [PATCH] IB: Add S... |
1093 1094 1095 1096 1097 1098 |
int (*query_srq)(struct ib_srq *srq, struct ib_srq_attr *srq_attr); int (*destroy_srq)(struct ib_srq *srq); int (*post_srq_recv)(struct ib_srq *srq, struct ib_recv_wr *recv_wr, struct ib_recv_wr **bad_recv_wr); |
1da177e4c Linux-2.6.12-rc2 |
1099 |
struct ib_qp * (*create_qp)(struct ib_pd *pd, |
e2773c062 [PATCH] IB uverbs... |
1100 1101 |
struct ib_qp_init_attr *qp_init_attr, struct ib_udata *udata); |
1da177e4c Linux-2.6.12-rc2 |
1102 1103 |
int (*modify_qp)(struct ib_qp *qp, struct ib_qp_attr *qp_attr, |
9bc57e2d1 IB/uverbs: Pass u... |
1104 1105 |
int qp_attr_mask, struct ib_udata *udata); |
1da177e4c Linux-2.6.12-rc2 |
1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 |
int (*query_qp)(struct ib_qp *qp, struct ib_qp_attr *qp_attr, int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr); int (*destroy_qp)(struct ib_qp *qp); int (*post_send)(struct ib_qp *qp, struct ib_send_wr *send_wr, struct ib_send_wr **bad_send_wr); int (*post_recv)(struct ib_qp *qp, struct ib_recv_wr *recv_wr, struct ib_recv_wr **bad_recv_wr); |
e2773c062 [PATCH] IB uverbs... |
1117 |
struct ib_cq * (*create_cq)(struct ib_device *device, int cqe, |
f4fd0b224 IB: Add CQ comp_v... |
1118 |
int comp_vector, |
e2773c062 [PATCH] IB uverbs... |
1119 1120 |
struct ib_ucontext *context, struct ib_udata *udata); |
2dd571622 IB/core: Add supp... |
1121 1122 |
int (*modify_cq)(struct ib_cq *cq, u16 cq_count, u16 cq_period); |
1da177e4c Linux-2.6.12-rc2 |
1123 |
int (*destroy_cq)(struct ib_cq *cq); |
33b9b3ee9 IB: Add userspace... |
1124 1125 |
int (*resize_cq)(struct ib_cq *cq, int cqe, struct ib_udata *udata); |
1da177e4c Linux-2.6.12-rc2 |
1126 1127 1128 1129 |
int (*poll_cq)(struct ib_cq *cq, int num_entries, struct ib_wc *wc); int (*peek_cq)(struct ib_cq *cq, int wc_cnt); int (*req_notify_cq)(struct ib_cq *cq, |
ed23a7277 IB: Return "maybe... |
1130 |
enum ib_cq_notify_flags flags); |
1da177e4c Linux-2.6.12-rc2 |
1131 1132 1133 1134 1135 1136 1137 1138 1139 |
int (*req_ncomp_notif)(struct ib_cq *cq, int wc_cnt); struct ib_mr * (*get_dma_mr)(struct ib_pd *pd, int mr_access_flags); struct ib_mr * (*reg_phys_mr)(struct ib_pd *pd, struct ib_phys_buf *phys_buf_array, int num_phys_buf, int mr_access_flags, u64 *iova_start); |
e2773c062 [PATCH] IB uverbs... |
1140 |
struct ib_mr * (*reg_user_mr)(struct ib_pd *pd, |
f7c6a7b5d IB/uverbs: Export... |
1141 1142 |
u64 start, u64 length, u64 virt_addr, |
e2773c062 [PATCH] IB uverbs... |
1143 1144 |
int mr_access_flags, struct ib_udata *udata); |
1da177e4c Linux-2.6.12-rc2 |
1145 1146 1147 |
int (*query_mr)(struct ib_mr *mr, struct ib_mr_attr *mr_attr); int (*dereg_mr)(struct ib_mr *mr); |
00f7ec36c RDMA/core: Add me... |
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struct ib_mr * (*alloc_fast_reg_mr)(struct ib_pd *pd, int max_page_list_len); struct ib_fast_reg_page_list * (*alloc_fast_reg_page_list)(struct ib_device *device, int page_list_len); void (*free_fast_reg_page_list)(struct ib_fast_reg_page_list *page_list); |
1da177e4c Linux-2.6.12-rc2 |
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int (*rereg_phys_mr)(struct ib_mr *mr, int mr_rereg_mask, struct ib_pd *pd, struct ib_phys_buf *phys_buf_array, int num_phys_buf, int mr_access_flags, u64 *iova_start); struct ib_mw * (*alloc_mw)(struct ib_pd *pd); int (*bind_mw)(struct ib_qp *qp, struct ib_mw *mw, struct ib_mw_bind *mw_bind); int (*dealloc_mw)(struct ib_mw *mw); struct ib_fmr * (*alloc_fmr)(struct ib_pd *pd, int mr_access_flags, struct ib_fmr_attr *fmr_attr); int (*map_phys_fmr)(struct ib_fmr *fmr, u64 *page_list, int list_len, u64 iova); int (*unmap_fmr)(struct list_head *fmr_list); int (*dealloc_fmr)(struct ib_fmr *fmr); int (*attach_mcast)(struct ib_qp *qp, union ib_gid *gid, u16 lid); int (*detach_mcast)(struct ib_qp *qp, union ib_gid *gid, u16 lid); int (*process_mad)(struct ib_device *device, int process_mad_flags, u8 port_num, struct ib_wc *in_wc, struct ib_grh *in_grh, struct ib_mad *in_mad, struct ib_mad *out_mad); |
59991f94e RDMA/core: Add XR... |
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struct ib_xrcd * (*alloc_xrcd)(struct ib_device *device, struct ib_ucontext *ucontext, struct ib_udata *udata); int (*dealloc_xrcd)(struct ib_xrcd *xrcd); |
1da177e4c Linux-2.6.12-rc2 |
1190 |
|
9b513090a IB: Add DMA mappi... |
1191 |
struct ib_dma_mapping_ops *dma_ops; |
e2773c062 [PATCH] IB uverbs... |
1192 |
struct module *owner; |
f4e91eb4a IB: convert struc... |
1193 |
struct device dev; |
35be06819 Kobject: change d... |
1194 |
struct kobject *ports_parent; |
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struct list_head port_list; enum { IB_DEV_UNINITIALIZED, IB_DEV_REGISTERED, IB_DEV_UNREGISTERED } reg_state; |
274c08916 [IB] uverbs: Add ... |
1202 |
int uverbs_abi_ver; |
17a55f79f IB/core: Pack str... |
1203 |
u64 uverbs_cmd_mask; |
274c08916 [IB] uverbs: Add ... |
1204 |
|
c5bcbbb9f IB: Allow userspa... |
1205 |
char node_desc[64]; |
cf311cd49 IB: Add node_guid... |
1206 |
__be64 node_guid; |
96f15c035 RDMA/core: Add lo... |
1207 |
u32 local_dma_lkey; |
1da177e4c Linux-2.6.12-rc2 |
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u8 node_type; u8 phys_port_cnt; }; struct ib_client { char *name; void (*add) (struct ib_device *); void (*remove)(struct ib_device *); struct list_head list; }; struct ib_device *ib_alloc_device(size_t size); void ib_dealloc_device(struct ib_device *device); |
9a6edb60e IB/core: Allow de... |
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int ib_register_device(struct ib_device *device, int (*port_callback)(struct ib_device *, u8, struct kobject *)); |
1da177e4c Linux-2.6.12-rc2 |
1225 1226 1227 1228 1229 1230 1231 1232 |
void ib_unregister_device(struct ib_device *device); int ib_register_client (struct ib_client *client); void ib_unregister_client(struct ib_client *client); void *ib_get_client_data(struct ib_device *device, struct ib_client *client); void ib_set_client_data(struct ib_device *device, struct ib_client *client, void *data); |
e2773c062 [PATCH] IB uverbs... |
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static inline int ib_copy_from_udata(void *dest, struct ib_udata *udata, size_t len) { return copy_from_user(dest, udata->inbuf, len) ? -EFAULT : 0; } static inline int ib_copy_to_udata(struct ib_udata *udata, void *src, size_t len) { return copy_to_user(udata->outbuf, src, len) ? -EFAULT : 0; } |
8a51866f0 IB: Add ib_modify... |
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/** * ib_modify_qp_is_ok - Check that the supplied attribute mask * contains all required attributes and no attributes not allowed for * the given QP state transition. * @cur_state: Current QP state * @next_state: Next QP state * @type: QP type * @mask: Mask of supplied QP attributes * * This function is a helper function that a low-level driver's * modify_qp method can use to validate the consumer's input. It * checks that cur_state and next_state are valid QP states, that a * transition from cur_state to next_state is allowed by the IB spec, * and that the attribute mask supplied is allowed for the transition. */ int ib_modify_qp_is_ok(enum ib_qp_state cur_state, enum ib_qp_state next_state, enum ib_qp_type type, enum ib_qp_attr_mask mask); |
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int ib_register_event_handler (struct ib_event_handler *event_handler); int ib_unregister_event_handler(struct ib_event_handler *event_handler); void ib_dispatch_event(struct ib_event *event); int ib_query_device(struct ib_device *device, struct ib_device_attr *device_attr); int ib_query_port(struct ib_device *device, u8 port_num, struct ib_port_attr *port_attr); |
a3f5adaf4 IB/core: Add link... |
1268 1269 |
enum rdma_link_layer rdma_port_get_link_layer(struct ib_device *device, u8 port_num); |
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int ib_query_gid(struct ib_device *device, u8 port_num, int index, union ib_gid *gid); int ib_query_pkey(struct ib_device *device, u8 port_num, u16 index, u16 *pkey); int ib_modify_device(struct ib_device *device, int device_modify_mask, struct ib_device_modify *device_modify); int ib_modify_port(struct ib_device *device, u8 port_num, int port_modify_mask, struct ib_port_modify *port_modify); |
5eb620c81 IB/core: Add help... |
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int ib_find_gid(struct ib_device *device, union ib_gid *gid, u8 *port_num, u16 *index); int ib_find_pkey(struct ib_device *device, u8 port_num, u16 pkey, u16 *index); |
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/** * ib_alloc_pd - Allocates an unused protection domain. * @device: The device on which to allocate the protection domain. * * A protection domain object provides an association between QPs, shared * receive queues, address handles, memory regions, and memory windows. */ struct ib_pd *ib_alloc_pd(struct ib_device *device); /** * ib_dealloc_pd - Deallocates a protection domain. * @pd: The protection domain to deallocate. */ int ib_dealloc_pd(struct ib_pd *pd); /** * ib_create_ah - Creates an address handle for the given address vector. * @pd: The protection domain associated with the address handle. * @ah_attr: The attributes of the address vector. * * The address handle is used to reference a local or global destination * in all UD QP post sends. */ struct ib_ah *ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr); /** |
4e00d6945 IB: Add ib_init_a... |
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* ib_init_ah_from_wc - Initializes address handle attributes from a * work completion. * @device: Device on which the received message arrived. * @port_num: Port on which the received message arrived. * @wc: Work completion associated with the received message. * @grh: References the received global route header. This parameter is * ignored unless the work completion indicates that the GRH is valid. * @ah_attr: Returned attributes that can be used when creating an address * handle for replying to the message. */ int ib_init_ah_from_wc(struct ib_device *device, u8 port_num, struct ib_wc *wc, struct ib_grh *grh, struct ib_ah_attr *ah_attr); /** |
513789ed9 [PATCH] IB: Add i... |
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* ib_create_ah_from_wc - Creates an address handle associated with the * sender of the specified work completion. * @pd: The protection domain associated with the address handle. * @wc: Work completion information associated with a received message. * @grh: References the received global route header. This parameter is * ignored unless the work completion indicates that the GRH is valid. * @port_num: The outbound port number to associate with the address. * * The address handle is used to reference a local or global destination * in all UD QP post sends. */ struct ib_ah *ib_create_ah_from_wc(struct ib_pd *pd, struct ib_wc *wc, struct ib_grh *grh, u8 port_num); /** |
1da177e4c Linux-2.6.12-rc2 |
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* ib_modify_ah - Modifies the address vector associated with an address * handle. * @ah: The address handle to modify. * @ah_attr: The new address vector attributes to associate with the * address handle. */ int ib_modify_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr); /** * ib_query_ah - Queries the address vector associated with an address * handle. * @ah: The address handle to query. * @ah_attr: The address vector attributes associated with the address * handle. */ int ib_query_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr); /** * ib_destroy_ah - Destroys an address handle. * @ah: The address handle to destroy. */ int ib_destroy_ah(struct ib_ah *ah); /** |
d41fcc670 [PATCH] IB: Add S... |
1367 1368 1369 |
* ib_create_srq - Creates a SRQ associated with the specified protection * domain. * @pd: The protection domain associated with the SRQ. |
abb6e9ba1 IB/mthca: Return ... |
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* @srq_init_attr: A list of initial attributes required to create the * SRQ. If SRQ creation succeeds, then the attributes are updated to * the actual capabilities of the created SRQ. |
d41fcc670 [PATCH] IB: Add S... |
1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 |
* * srq_attr->max_wr and srq_attr->max_sge are read the determine the * requested size of the SRQ, and set to the actual values allocated * on return. If ib_create_srq() succeeds, then max_wr and max_sge * will always be at least as large as the requested values. */ struct ib_srq *ib_create_srq(struct ib_pd *pd, struct ib_srq_init_attr *srq_init_attr); /** * ib_modify_srq - Modifies the attributes for the specified SRQ. * @srq: The SRQ to modify. * @srq_attr: On input, specifies the SRQ attributes to modify. On output, * the current values of selected SRQ attributes are returned. * @srq_attr_mask: A bit-mask used to specify which attributes of the SRQ * are being modified. * * The mask may contain IB_SRQ_MAX_WR to resize the SRQ and/or * IB_SRQ_LIMIT to set the SRQ's limit and request notification when * the number of receives queued drops below the limit. */ int ib_modify_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr, enum ib_srq_attr_mask srq_attr_mask); /** * ib_query_srq - Returns the attribute list and current values for the * specified SRQ. * @srq: The SRQ to query. * @srq_attr: The attributes of the specified SRQ. */ int ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr); /** * ib_destroy_srq - Destroys the specified SRQ. * @srq: The SRQ to destroy. */ int ib_destroy_srq(struct ib_srq *srq); /** * ib_post_srq_recv - Posts a list of work requests to the specified SRQ. * @srq: The SRQ to post the work request on. * @recv_wr: A list of work requests to post on the receive queue. * @bad_recv_wr: On an immediate failure, this parameter will reference * the work request that failed to be posted on the QP. */ static inline int ib_post_srq_recv(struct ib_srq *srq, struct ib_recv_wr *recv_wr, struct ib_recv_wr **bad_recv_wr) { return srq->device->post_srq_recv(srq, recv_wr, bad_recv_wr); } /** |
1da177e4c Linux-2.6.12-rc2 |
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* ib_create_qp - Creates a QP associated with the specified protection * domain. * @pd: The protection domain associated with the QP. |
abb6e9ba1 IB/mthca: Return ... |
1431 1432 1433 |
* @qp_init_attr: A list of initial attributes required to create the * QP. If QP creation succeeds, then the attributes are updated to * the actual capabilities of the created QP. |
1da177e4c Linux-2.6.12-rc2 |
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*/ struct ib_qp *ib_create_qp(struct ib_pd *pd, struct ib_qp_init_attr *qp_init_attr); /** * ib_modify_qp - Modifies the attributes for the specified QP and then * transitions the QP to the given state. * @qp: The QP to modify. * @qp_attr: On input, specifies the QP attributes to modify. On output, * the current values of selected QP attributes are returned. * @qp_attr_mask: A bit-mask used to specify which attributes of the QP * are being modified. */ int ib_modify_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr, int qp_attr_mask); /** * ib_query_qp - Returns the attribute list and current values for the * specified QP. * @qp: The QP to query. * @qp_attr: The attributes of the specified QP. * @qp_attr_mask: A bit-mask used to select specific attributes to query. * @qp_init_attr: Additional attributes of the selected QP. * * The qp_attr_mask may be used to limit the query to gathering only the * selected attributes. */ int ib_query_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr, int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr); /** * ib_destroy_qp - Destroys the specified QP. * @qp: The QP to destroy. */ int ib_destroy_qp(struct ib_qp *qp); /** |
0e0ec7e06 RDMA/core: Export... |
1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 |
* ib_open_qp - Obtain a reference to an existing sharable QP. * @xrcd - XRC domain * @qp_open_attr: Attributes identifying the QP to open. * * Returns a reference to a sharable QP. */ struct ib_qp *ib_open_qp(struct ib_xrcd *xrcd, struct ib_qp_open_attr *qp_open_attr); /** * ib_close_qp - Release an external reference to a QP. |
d3d72d909 RDMA/verbs: Clean... |
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* @qp: The QP handle to release * |
0e0ec7e06 RDMA/core: Export... |
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* The opened QP handle is released by the caller. The underlying * shared QP is not destroyed until all internal references are released. |
d3d72d909 RDMA/verbs: Clean... |
1489 |
*/ |
0e0ec7e06 RDMA/core: Export... |
1490 |
int ib_close_qp(struct ib_qp *qp); |
d3d72d909 RDMA/verbs: Clean... |
1491 1492 |
/** |
1da177e4c Linux-2.6.12-rc2 |
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* ib_post_send - Posts a list of work requests to the send queue of * the specified QP. * @qp: The QP to post the work request on. * @send_wr: A list of work requests to post on the send queue. * @bad_send_wr: On an immediate failure, this parameter will reference * the work request that failed to be posted on the QP. |
55464d461 IB: Clarify the d... |
1499 1500 1501 1502 1503 |
* * While IBA Vol. 1 section 11.4.1.1 specifies that if an immediate * error is returned, the QP state shall not be affected, * ib_post_send() will return an immediate error after queueing any * earlier work requests in the list. |
1da177e4c Linux-2.6.12-rc2 |
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*/ static inline int ib_post_send(struct ib_qp *qp, struct ib_send_wr *send_wr, struct ib_send_wr **bad_send_wr) { return qp->device->post_send(qp, send_wr, bad_send_wr); } /** * ib_post_recv - Posts a list of work requests to the receive queue of * the specified QP. * @qp: The QP to post the work request on. * @recv_wr: A list of work requests to post on the receive queue. * @bad_recv_wr: On an immediate failure, this parameter will reference * the work request that failed to be posted on the QP. */ static inline int ib_post_recv(struct ib_qp *qp, struct ib_recv_wr *recv_wr, struct ib_recv_wr **bad_recv_wr) { return qp->device->post_recv(qp, recv_wr, bad_recv_wr); } /** * ib_create_cq - Creates a CQ on the specified device. * @device: The device on which to create the CQ. * @comp_handler: A user-specified callback that is invoked when a * completion event occurs on the CQ. * @event_handler: A user-specified callback that is invoked when an * asynchronous event not associated with a completion occurs on the CQ. * @cq_context: Context associated with the CQ returned to the user via * the associated completion and event handlers. * @cqe: The minimum size of the CQ. |
f4fd0b224 IB: Add CQ comp_v... |
1537 1538 |
* @comp_vector - Completion vector used to signal completion events. * Must be >= 0 and < context->num_comp_vectors. |
1da177e4c Linux-2.6.12-rc2 |
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* * Users can examine the cq structure to determine the actual CQ size. */ struct ib_cq *ib_create_cq(struct ib_device *device, ib_comp_handler comp_handler, void (*event_handler)(struct ib_event *, void *), |
f4fd0b224 IB: Add CQ comp_v... |
1545 |
void *cq_context, int cqe, int comp_vector); |
1da177e4c Linux-2.6.12-rc2 |
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/** * ib_resize_cq - Modifies the capacity of the CQ. * @cq: The CQ to resize. * @cqe: The minimum size of the CQ. * * Users can examine the cq structure to determine the actual CQ size. */ int ib_resize_cq(struct ib_cq *cq, int cqe); /** |
2dd571622 IB/core: Add supp... |
1557 1558 1559 1560 1561 1562 1563 1564 1565 |
* ib_modify_cq - Modifies moderation params of the CQ * @cq: The CQ to modify. * @cq_count: number of CQEs that will trigger an event * @cq_period: max period of time in usec before triggering an event * */ int ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period); /** |
1da177e4c Linux-2.6.12-rc2 |
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* ib_destroy_cq - Destroys the specified CQ. * @cq: The CQ to destroy. */ int ib_destroy_cq(struct ib_cq *cq); /** * ib_poll_cq - poll a CQ for completion(s) * @cq:the CQ being polled * @num_entries:maximum number of completions to return * @wc:array of at least @num_entries &struct ib_wc where completions * will be returned * * Poll a CQ for (possibly multiple) completions. If the return value * is < 0, an error occurred. If the return value is >= 0, it is the * number of completions returned. If the return value is * non-negative and < num_entries, then the CQ was emptied. */ static inline int ib_poll_cq(struct ib_cq *cq, int num_entries, struct ib_wc *wc) { return cq->device->poll_cq(cq, num_entries, wc); } /** * ib_peek_cq - Returns the number of unreaped completions currently * on the specified CQ. * @cq: The CQ to peek. * @wc_cnt: A minimum number of unreaped completions to check for. * * If the number of unreaped completions is greater than or equal to wc_cnt, * this function returns wc_cnt, otherwise, it returns the actual number of * unreaped completions. */ int ib_peek_cq(struct ib_cq *cq, int wc_cnt); /** * ib_req_notify_cq - Request completion notification on a CQ. * @cq: The CQ to generate an event for. |
ed23a7277 IB: Return "maybe... |
1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 |
* @flags: * Must contain exactly one of %IB_CQ_SOLICITED or %IB_CQ_NEXT_COMP * to request an event on the next solicited event or next work * completion at any type, respectively. %IB_CQ_REPORT_MISSED_EVENTS * may also be |ed in to request a hint about missed events, as * described below. * * Return Value: * < 0 means an error occurred while requesting notification * == 0 means notification was requested successfully, and if * IB_CQ_REPORT_MISSED_EVENTS was passed in, then no events * were missed and it is safe to wait for another event. In * this case is it guaranteed that any work completions added * to the CQ since the last CQ poll will trigger a completion * notification event. * > 0 is only returned if IB_CQ_REPORT_MISSED_EVENTS was passed * in. It means that the consumer must poll the CQ again to * make sure it is empty to avoid missing an event because of a * race between requesting notification and an entry being * added to the CQ. This return value means it is possible * (but not guaranteed) that a work completion has been added * to the CQ since the last poll without triggering a * completion notification event. |
1da177e4c Linux-2.6.12-rc2 |
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*/ static inline int ib_req_notify_cq(struct ib_cq *cq, |
ed23a7277 IB: Return "maybe... |
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enum ib_cq_notify_flags flags) |
1da177e4c Linux-2.6.12-rc2 |
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{ |
ed23a7277 IB: Return "maybe... |
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return cq->device->req_notify_cq(cq, flags); |
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} /** * ib_req_ncomp_notif - Request completion notification when there are * at least the specified number of unreaped completions on the CQ. * @cq: The CQ to generate an event for. * @wc_cnt: The number of unreaped completions that should be on the * CQ before an event is generated. */ static inline int ib_req_ncomp_notif(struct ib_cq *cq, int wc_cnt) { return cq->device->req_ncomp_notif ? cq->device->req_ncomp_notif(cq, wc_cnt) : -ENOSYS; } /** * ib_get_dma_mr - Returns a memory region for system memory that is * usable for DMA. * @pd: The protection domain associated with the memory region. * @mr_access_flags: Specifies the memory access rights. |
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* * Note that the ib_dma_*() functions defined below must be used * to create/destroy addresses used with the Lkey or Rkey returned * by ib_get_dma_mr(). |
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*/ struct ib_mr *ib_get_dma_mr(struct ib_pd *pd, int mr_access_flags); /** |
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* ib_dma_mapping_error - check a DMA addr for error * @dev: The device for which the dma_addr was created * @dma_addr: The DMA address to check */ static inline int ib_dma_mapping_error(struct ib_device *dev, u64 dma_addr) { |
d1998ef38 [PATCH] ib_verbs:... |
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if (dev->dma_ops) return dev->dma_ops->mapping_error(dev, dma_addr); |
8d8bb39b9 dma-mapping: add ... |
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return dma_mapping_error(dev->dma_device, dma_addr); |
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} /** * ib_dma_map_single - Map a kernel virtual address to DMA address * @dev: The device for which the dma_addr is to be created * @cpu_addr: The kernel virtual address * @size: The size of the region in bytes * @direction: The direction of the DMA */ static inline u64 ib_dma_map_single(struct ib_device *dev, void *cpu_addr, size_t size, enum dma_data_direction direction) { |
d1998ef38 [PATCH] ib_verbs:... |
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if (dev->dma_ops) return dev->dma_ops->map_single(dev, cpu_addr, size, direction); return dma_map_single(dev->dma_device, cpu_addr, size, direction); |
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} /** * ib_dma_unmap_single - Destroy a mapping created by ib_dma_map_single() * @dev: The device for which the DMA address was created * @addr: The DMA address * @size: The size of the region in bytes * @direction: The direction of the DMA */ static inline void ib_dma_unmap_single(struct ib_device *dev, u64 addr, size_t size, enum dma_data_direction direction) { |
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if (dev->dma_ops) dev->dma_ops->unmap_single(dev, addr, size, direction); else |
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dma_unmap_single(dev->dma_device, addr, size, direction); } |
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static inline u64 ib_dma_map_single_attrs(struct ib_device *dev, void *cpu_addr, size_t size, enum dma_data_direction direction, struct dma_attrs *attrs) { return dma_map_single_attrs(dev->dma_device, cpu_addr, size, direction, attrs); } static inline void ib_dma_unmap_single_attrs(struct ib_device *dev, u64 addr, size_t size, enum dma_data_direction direction, struct dma_attrs *attrs) { return dma_unmap_single_attrs(dev->dma_device, addr, size, direction, attrs); } |
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/** * ib_dma_map_page - Map a physical page to DMA address * @dev: The device for which the dma_addr is to be created * @page: The page to be mapped * @offset: The offset within the page * @size: The size of the region in bytes * @direction: The direction of the DMA */ static inline u64 ib_dma_map_page(struct ib_device *dev, struct page *page, unsigned long offset, size_t size, enum dma_data_direction direction) { |
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if (dev->dma_ops) return dev->dma_ops->map_page(dev, page, offset, size, direction); return dma_map_page(dev->dma_device, page, offset, size, direction); |
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} /** * ib_dma_unmap_page - Destroy a mapping created by ib_dma_map_page() * @dev: The device for which the DMA address was created * @addr: The DMA address * @size: The size of the region in bytes * @direction: The direction of the DMA */ static inline void ib_dma_unmap_page(struct ib_device *dev, u64 addr, size_t size, enum dma_data_direction direction) { |
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if (dev->dma_ops) dev->dma_ops->unmap_page(dev, addr, size, direction); else |
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dma_unmap_page(dev->dma_device, addr, size, direction); } /** * ib_dma_map_sg - Map a scatter/gather list to DMA addresses * @dev: The device for which the DMA addresses are to be created * @sg: The array of scatter/gather entries * @nents: The number of scatter/gather entries * @direction: The direction of the DMA */ static inline int ib_dma_map_sg(struct ib_device *dev, struct scatterlist *sg, int nents, enum dma_data_direction direction) { |
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if (dev->dma_ops) return dev->dma_ops->map_sg(dev, sg, nents, direction); return dma_map_sg(dev->dma_device, sg, nents, direction); |
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} /** * ib_dma_unmap_sg - Unmap a scatter/gather list of DMA addresses * @dev: The device for which the DMA addresses were created * @sg: The array of scatter/gather entries * @nents: The number of scatter/gather entries * @direction: The direction of the DMA */ static inline void ib_dma_unmap_sg(struct ib_device *dev, struct scatterlist *sg, int nents, enum dma_data_direction direction) { |
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if (dev->dma_ops) dev->dma_ops->unmap_sg(dev, sg, nents, direction); else |
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dma_unmap_sg(dev->dma_device, sg, nents, direction); } |
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static inline int ib_dma_map_sg_attrs(struct ib_device *dev, struct scatterlist *sg, int nents, enum dma_data_direction direction, struct dma_attrs *attrs) { return dma_map_sg_attrs(dev->dma_device, sg, nents, direction, attrs); } static inline void ib_dma_unmap_sg_attrs(struct ib_device *dev, struct scatterlist *sg, int nents, enum dma_data_direction direction, struct dma_attrs *attrs) { dma_unmap_sg_attrs(dev->dma_device, sg, nents, direction, attrs); } |
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/** * ib_sg_dma_address - Return the DMA address from a scatter/gather entry * @dev: The device for which the DMA addresses were created * @sg: The scatter/gather entry */ static inline u64 ib_sg_dma_address(struct ib_device *dev, struct scatterlist *sg) { |
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if (dev->dma_ops) return dev->dma_ops->dma_address(dev, sg); return sg_dma_address(sg); |
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} /** * ib_sg_dma_len - Return the DMA length from a scatter/gather entry * @dev: The device for which the DMA addresses were created * @sg: The scatter/gather entry */ static inline unsigned int ib_sg_dma_len(struct ib_device *dev, struct scatterlist *sg) { |
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if (dev->dma_ops) return dev->dma_ops->dma_len(dev, sg); return sg_dma_len(sg); |
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} /** * ib_dma_sync_single_for_cpu - Prepare DMA region to be accessed by CPU * @dev: The device for which the DMA address was created * @addr: The DMA address * @size: The size of the region in bytes * @dir: The direction of the DMA */ static inline void ib_dma_sync_single_for_cpu(struct ib_device *dev, u64 addr, size_t size, enum dma_data_direction dir) { |
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if (dev->dma_ops) dev->dma_ops->sync_single_for_cpu(dev, addr, size, dir); else |
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dma_sync_single_for_cpu(dev->dma_device, addr, size, dir); } /** * ib_dma_sync_single_for_device - Prepare DMA region to be accessed by device * @dev: The device for which the DMA address was created * @addr: The DMA address * @size: The size of the region in bytes * @dir: The direction of the DMA */ static inline void ib_dma_sync_single_for_device(struct ib_device *dev, u64 addr, size_t size, enum dma_data_direction dir) { |
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if (dev->dma_ops) dev->dma_ops->sync_single_for_device(dev, addr, size, dir); else |
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dma_sync_single_for_device(dev->dma_device, addr, size, dir); } /** * ib_dma_alloc_coherent - Allocate memory and map it for DMA * @dev: The device for which the DMA address is requested * @size: The size of the region to allocate in bytes * @dma_handle: A pointer for returning the DMA address of the region * @flag: memory allocator flags */ static inline void *ib_dma_alloc_coherent(struct ib_device *dev, size_t size, u64 *dma_handle, gfp_t flag) { |
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if (dev->dma_ops) return dev->dma_ops->alloc_coherent(dev, size, dma_handle, flag); |
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else { dma_addr_t handle; void *ret; ret = dma_alloc_coherent(dev->dma_device, size, &handle, flag); *dma_handle = handle; return ret; } |
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} /** * ib_dma_free_coherent - Free memory allocated by ib_dma_alloc_coherent() * @dev: The device for which the DMA addresses were allocated * @size: The size of the region * @cpu_addr: the address returned by ib_dma_alloc_coherent() * @dma_handle: the DMA address returned by ib_dma_alloc_coherent() */ static inline void ib_dma_free_coherent(struct ib_device *dev, size_t size, void *cpu_addr, u64 dma_handle) { |
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if (dev->dma_ops) dev->dma_ops->free_coherent(dev, size, cpu_addr, dma_handle); else |
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dma_free_coherent(dev->dma_device, size, cpu_addr, dma_handle); } /** |
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* ib_reg_phys_mr - Prepares a virtually addressed memory region for use * by an HCA. * @pd: The protection domain associated assigned to the registered region. * @phys_buf_array: Specifies a list of physical buffers to use in the * memory region. * @num_phys_buf: Specifies the size of the phys_buf_array. * @mr_access_flags: Specifies the memory access rights. * @iova_start: The offset of the region's starting I/O virtual address. */ struct ib_mr *ib_reg_phys_mr(struct ib_pd *pd, struct ib_phys_buf *phys_buf_array, int num_phys_buf, int mr_access_flags, u64 *iova_start); /** * ib_rereg_phys_mr - Modifies the attributes of an existing memory region. * Conceptually, this call performs the functions deregister memory region * followed by register physical memory region. Where possible, * resources are reused instead of deallocated and reallocated. * @mr: The memory region to modify. * @mr_rereg_mask: A bit-mask used to indicate which of the following * properties of the memory region are being modified. * @pd: If %IB_MR_REREG_PD is set in mr_rereg_mask, this field specifies * the new protection domain to associated with the memory region, * otherwise, this parameter is ignored. * @phys_buf_array: If %IB_MR_REREG_TRANS is set in mr_rereg_mask, this * field specifies a list of physical buffers to use in the new * translation, otherwise, this parameter is ignored. * @num_phys_buf: If %IB_MR_REREG_TRANS is set in mr_rereg_mask, this * field specifies the size of the phys_buf_array, otherwise, this * parameter is ignored. * @mr_access_flags: If %IB_MR_REREG_ACCESS is set in mr_rereg_mask, this * field specifies the new memory access rights, otherwise, this * parameter is ignored. * @iova_start: The offset of the region's starting I/O virtual address. */ int ib_rereg_phys_mr(struct ib_mr *mr, int mr_rereg_mask, struct ib_pd *pd, struct ib_phys_buf *phys_buf_array, int num_phys_buf, int mr_access_flags, u64 *iova_start); /** * ib_query_mr - Retrieves information about a specific memory region. * @mr: The memory region to retrieve information about. * @mr_attr: The attributes of the specified memory region. */ int ib_query_mr(struct ib_mr *mr, struct ib_mr_attr *mr_attr); /** * ib_dereg_mr - Deregisters a memory region and removes it from the * HCA translation table. * @mr: The memory region to deregister. */ int ib_dereg_mr(struct ib_mr *mr); /** |
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* ib_alloc_fast_reg_mr - Allocates memory region usable with the * IB_WR_FAST_REG_MR send work request. * @pd: The protection domain associated with the region. * @max_page_list_len: requested max physical buffer list length to be * used with fast register work requests for this MR. */ struct ib_mr *ib_alloc_fast_reg_mr(struct ib_pd *pd, int max_page_list_len); /** * ib_alloc_fast_reg_page_list - Allocates a page list array * @device - ib device pointer. * @page_list_len - size of the page list array to be allocated. * * This allocates and returns a struct ib_fast_reg_page_list * and a * page_list array that is at least page_list_len in size. The actual * size is returned in max_page_list_len. The caller is responsible * for initializing the contents of the page_list array before posting * a send work request with the IB_WC_FAST_REG_MR opcode. * * The page_list array entries must be translated using one of the * ib_dma_*() functions just like the addresses passed to * ib_map_phys_fmr(). Once the ib_post_send() is issued, the struct * ib_fast_reg_page_list must not be modified by the caller until the * IB_WC_FAST_REG_MR work request completes. */ struct ib_fast_reg_page_list *ib_alloc_fast_reg_page_list( struct ib_device *device, int page_list_len); /** * ib_free_fast_reg_page_list - Deallocates a previously allocated * page list array. * @page_list - struct ib_fast_reg_page_list pointer to be deallocated. */ void ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list); /** * ib_update_fast_reg_key - updates the key portion of the fast_reg MR * R_Key and L_Key. * @mr - struct ib_mr pointer to be updated. * @newkey - new key to be used. */ static inline void ib_update_fast_reg_key(struct ib_mr *mr, u8 newkey) { mr->lkey = (mr->lkey & 0xffffff00) | newkey; mr->rkey = (mr->rkey & 0xffffff00) | newkey; } /** |
1da177e4c Linux-2.6.12-rc2 |
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* ib_alloc_mw - Allocates a memory window. * @pd: The protection domain associated with the memory window. */ struct ib_mw *ib_alloc_mw(struct ib_pd *pd); /** * ib_bind_mw - Posts a work request to the send queue of the specified * QP, which binds the memory window to the given address range and * remote access attributes. * @qp: QP to post the bind work request on. * @mw: The memory window to bind. * @mw_bind: Specifies information about the memory window, including * its address range, remote access rights, and associated memory region. */ static inline int ib_bind_mw(struct ib_qp *qp, struct ib_mw *mw, struct ib_mw_bind *mw_bind) { /* XXX reference counting in corresponding MR? */ return mw->device->bind_mw ? mw->device->bind_mw(qp, mw, mw_bind) : -ENOSYS; } /** * ib_dealloc_mw - Deallocates a memory window. * @mw: The memory window to deallocate. */ int ib_dealloc_mw(struct ib_mw *mw); /** * ib_alloc_fmr - Allocates a unmapped fast memory region. * @pd: The protection domain associated with the unmapped region. * @mr_access_flags: Specifies the memory access rights. * @fmr_attr: Attributes of the unmapped region. * * A fast memory region must be mapped before it can be used as part of * a work request. */ struct ib_fmr *ib_alloc_fmr(struct ib_pd *pd, int mr_access_flags, struct ib_fmr_attr *fmr_attr); /** * ib_map_phys_fmr - Maps a list of physical pages to a fast memory region. * @fmr: The fast memory region to associate with the pages. * @page_list: An array of physical pages to map to the fast memory region. * @list_len: The number of pages in page_list. * @iova: The I/O virtual address to use with the mapped region. */ static inline int ib_map_phys_fmr(struct ib_fmr *fmr, u64 *page_list, int list_len, u64 iova) { return fmr->device->map_phys_fmr(fmr, page_list, list_len, iova); } /** * ib_unmap_fmr - Removes the mapping from a list of fast memory regions. * @fmr_list: A linked list of fast memory regions to unmap. */ int ib_unmap_fmr(struct list_head *fmr_list); /** * ib_dealloc_fmr - Deallocates a fast memory region. * @fmr: The fast memory region to deallocate. */ int ib_dealloc_fmr(struct ib_fmr *fmr); /** * ib_attach_mcast - Attaches the specified QP to a multicast group. * @qp: QP to attach to the multicast group. The QP must be type * IB_QPT_UD. * @gid: Multicast group GID. * @lid: Multicast group LID in host byte order. * * In order to send and receive multicast packets, subnet * administration must have created the multicast group and configured * the fabric appropriately. The port associated with the specified * QP must also be a member of the multicast group. */ int ib_attach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid); /** * ib_detach_mcast - Detaches the specified QP from a multicast group. * @qp: QP to detach from the multicast group. * @gid: Multicast group GID. * @lid: Multicast group LID in host byte order. */ int ib_detach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid); |
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/** * ib_alloc_xrcd - Allocates an XRC domain. * @device: The device on which to allocate the XRC domain. */ struct ib_xrcd *ib_alloc_xrcd(struct ib_device *device); /** * ib_dealloc_xrcd - Deallocates an XRC domain. * @xrcd: The XRC domain to deallocate. */ int ib_dealloc_xrcd(struct ib_xrcd *xrcd); |
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#endif /* IB_VERBS_H */ |