406 lines
12 KiB
C
406 lines
12 KiB
C
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/*
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* Copyright (c) 2012-2016 VMware, Inc. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of EITHER the GNU General Public License
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* version 2 as published by the Free Software Foundation or the BSD
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* 2-Clause License. This program is distributed in the hope that it
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* will be useful, but WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED
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* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License version 2 for more details at
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program available in the file COPYING in the main
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* directory of this source tree.
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*
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* The BSD 2-Clause License
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __PVRDMA_VERBS_H__
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#define __PVRDMA_VERBS_H__
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#include <linux/types.h>
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union pvrdma_gid {
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u8 raw[16];
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struct {
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__be64 subnet_prefix;
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__be64 interface_id;
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} global;
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};
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enum pvrdma_link_layer {
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PVRDMA_LINK_LAYER_UNSPECIFIED,
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PVRDMA_LINK_LAYER_INFINIBAND,
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PVRDMA_LINK_LAYER_ETHERNET,
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};
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enum pvrdma_mtu {
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PVRDMA_MTU_256 = 1,
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PVRDMA_MTU_512 = 2,
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PVRDMA_MTU_1024 = 3,
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PVRDMA_MTU_2048 = 4,
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PVRDMA_MTU_4096 = 5,
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};
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enum pvrdma_port_state {
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PVRDMA_PORT_NOP = 0,
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PVRDMA_PORT_DOWN = 1,
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PVRDMA_PORT_INIT = 2,
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PVRDMA_PORT_ARMED = 3,
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PVRDMA_PORT_ACTIVE = 4,
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PVRDMA_PORT_ACTIVE_DEFER = 5,
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};
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enum pvrdma_port_cap_flags {
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PVRDMA_PORT_SM = 1 << 1,
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PVRDMA_PORT_NOTICE_SUP = 1 << 2,
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PVRDMA_PORT_TRAP_SUP = 1 << 3,
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PVRDMA_PORT_OPT_IPD_SUP = 1 << 4,
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PVRDMA_PORT_AUTO_MIGR_SUP = 1 << 5,
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PVRDMA_PORT_SL_MAP_SUP = 1 << 6,
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PVRDMA_PORT_MKEY_NVRAM = 1 << 7,
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PVRDMA_PORT_PKEY_NVRAM = 1 << 8,
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PVRDMA_PORT_LED_INFO_SUP = 1 << 9,
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PVRDMA_PORT_SM_DISABLED = 1 << 10,
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PVRDMA_PORT_SYS_IMAGE_GUID_SUP = 1 << 11,
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PVRDMA_PORT_PKEY_SW_EXT_PORT_TRAP_SUP = 1 << 12,
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PVRDMA_PORT_EXTENDED_SPEEDS_SUP = 1 << 14,
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PVRDMA_PORT_CM_SUP = 1 << 16,
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PVRDMA_PORT_SNMP_TUNNEL_SUP = 1 << 17,
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PVRDMA_PORT_REINIT_SUP = 1 << 18,
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PVRDMA_PORT_DEVICE_MGMT_SUP = 1 << 19,
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PVRDMA_PORT_VENDOR_CLASS_SUP = 1 << 20,
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PVRDMA_PORT_DR_NOTICE_SUP = 1 << 21,
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PVRDMA_PORT_CAP_MASK_NOTICE_SUP = 1 << 22,
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PVRDMA_PORT_BOOT_MGMT_SUP = 1 << 23,
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PVRDMA_PORT_LINK_LATENCY_SUP = 1 << 24,
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PVRDMA_PORT_CLIENT_REG_SUP = 1 << 25,
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PVRDMA_PORT_IP_BASED_GIDS = 1 << 26,
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PVRDMA_PORT_CAP_FLAGS_MAX = PVRDMA_PORT_IP_BASED_GIDS,
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};
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enum pvrdma_port_width {
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PVRDMA_WIDTH_1X = 1,
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PVRDMA_WIDTH_4X = 2,
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PVRDMA_WIDTH_8X = 4,
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PVRDMA_WIDTH_12X = 8,
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};
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enum pvrdma_port_speed {
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PVRDMA_SPEED_SDR = 1,
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PVRDMA_SPEED_DDR = 2,
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PVRDMA_SPEED_QDR = 4,
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PVRDMA_SPEED_FDR10 = 8,
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PVRDMA_SPEED_FDR = 16,
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PVRDMA_SPEED_EDR = 32,
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};
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struct pvrdma_port_attr {
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enum pvrdma_port_state state;
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enum pvrdma_mtu max_mtu;
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enum pvrdma_mtu active_mtu;
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u32 gid_tbl_len;
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u32 port_cap_flags;
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u32 max_msg_sz;
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u32 bad_pkey_cntr;
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u32 qkey_viol_cntr;
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u16 pkey_tbl_len;
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u16 lid;
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u16 sm_lid;
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u8 lmc;
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u8 max_vl_num;
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u8 sm_sl;
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u8 subnet_timeout;
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u8 init_type_reply;
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u8 active_width;
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u8 active_speed;
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u8 phys_state;
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u8 reserved[2];
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};
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struct pvrdma_global_route {
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union pvrdma_gid dgid;
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u32 flow_label;
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u8 sgid_index;
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u8 hop_limit;
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u8 traffic_class;
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u8 reserved;
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};
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struct pvrdma_grh {
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__be32 version_tclass_flow;
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__be16 paylen;
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u8 next_hdr;
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u8 hop_limit;
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union pvrdma_gid sgid;
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union pvrdma_gid dgid;
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};
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enum pvrdma_ah_flags {
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PVRDMA_AH_GRH = 1,
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};
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enum pvrdma_rate {
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PVRDMA_RATE_PORT_CURRENT = 0,
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PVRDMA_RATE_2_5_GBPS = 2,
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PVRDMA_RATE_5_GBPS = 5,
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PVRDMA_RATE_10_GBPS = 3,
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PVRDMA_RATE_20_GBPS = 6,
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PVRDMA_RATE_30_GBPS = 4,
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PVRDMA_RATE_40_GBPS = 7,
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PVRDMA_RATE_60_GBPS = 8,
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PVRDMA_RATE_80_GBPS = 9,
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PVRDMA_RATE_120_GBPS = 10,
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PVRDMA_RATE_14_GBPS = 11,
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PVRDMA_RATE_56_GBPS = 12,
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PVRDMA_RATE_112_GBPS = 13,
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PVRDMA_RATE_168_GBPS = 14,
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PVRDMA_RATE_25_GBPS = 15,
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PVRDMA_RATE_100_GBPS = 16,
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PVRDMA_RATE_200_GBPS = 17,
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PVRDMA_RATE_300_GBPS = 18,
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};
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struct pvrdma_ah_attr {
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struct pvrdma_global_route grh;
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u16 dlid;
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u16 vlan_id;
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u8 sl;
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u8 src_path_bits;
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u8 static_rate;
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u8 ah_flags;
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u8 port_num;
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u8 dmac[6];
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u8 reserved;
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};
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enum pvrdma_cq_notify_flags {
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PVRDMA_CQ_SOLICITED = 1 << 0,
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PVRDMA_CQ_NEXT_COMP = 1 << 1,
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PVRDMA_CQ_SOLICITED_MASK = PVRDMA_CQ_SOLICITED |
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PVRDMA_CQ_NEXT_COMP,
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PVRDMA_CQ_REPORT_MISSED_EVENTS = 1 << 2,
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};
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struct pvrdma_qp_cap {
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u32 max_send_wr;
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u32 max_recv_wr;
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u32 max_send_sge;
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u32 max_recv_sge;
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u32 max_inline_data;
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u32 reserved;
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};
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enum pvrdma_sig_type {
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PVRDMA_SIGNAL_ALL_WR,
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PVRDMA_SIGNAL_REQ_WR,
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};
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enum pvrdma_qp_type {
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PVRDMA_QPT_SMI,
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PVRDMA_QPT_GSI,
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PVRDMA_QPT_RC,
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PVRDMA_QPT_UC,
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PVRDMA_QPT_UD,
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PVRDMA_QPT_RAW_IPV6,
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PVRDMA_QPT_RAW_ETHERTYPE,
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PVRDMA_QPT_RAW_PACKET = 8,
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PVRDMA_QPT_XRC_INI = 9,
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PVRDMA_QPT_XRC_TGT,
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PVRDMA_QPT_MAX,
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};
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enum pvrdma_qp_create_flags {
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PVRDMA_QP_CREATE_IPOPVRDMA_UD_LSO = 1 << 0,
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PVRDMA_QP_CREATE_BLOCK_MULTICAST_LOOPBACK = 1 << 1,
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};
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enum pvrdma_qp_attr_mask {
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PVRDMA_QP_STATE = 1 << 0,
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PVRDMA_QP_CUR_STATE = 1 << 1,
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PVRDMA_QP_EN_SQD_ASYNC_NOTIFY = 1 << 2,
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PVRDMA_QP_ACCESS_FLAGS = 1 << 3,
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PVRDMA_QP_PKEY_INDEX = 1 << 4,
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PVRDMA_QP_PORT = 1 << 5,
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PVRDMA_QP_QKEY = 1 << 6,
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PVRDMA_QP_AV = 1 << 7,
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PVRDMA_QP_PATH_MTU = 1 << 8,
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PVRDMA_QP_TIMEOUT = 1 << 9,
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PVRDMA_QP_RETRY_CNT = 1 << 10,
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PVRDMA_QP_RNR_RETRY = 1 << 11,
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PVRDMA_QP_RQ_PSN = 1 << 12,
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PVRDMA_QP_MAX_QP_RD_ATOMIC = 1 << 13,
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PVRDMA_QP_ALT_PATH = 1 << 14,
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PVRDMA_QP_MIN_RNR_TIMER = 1 << 15,
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PVRDMA_QP_SQ_PSN = 1 << 16,
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PVRDMA_QP_MAX_DEST_RD_ATOMIC = 1 << 17,
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PVRDMA_QP_PATH_MIG_STATE = 1 << 18,
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PVRDMA_QP_CAP = 1 << 19,
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PVRDMA_QP_DEST_QPN = 1 << 20,
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PVRDMA_QP_ATTR_MASK_MAX = PVRDMA_QP_DEST_QPN,
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};
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enum pvrdma_qp_state {
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PVRDMA_QPS_RESET,
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PVRDMA_QPS_INIT,
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PVRDMA_QPS_RTR,
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PVRDMA_QPS_RTS,
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PVRDMA_QPS_SQD,
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PVRDMA_QPS_SQE,
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PVRDMA_QPS_ERR,
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};
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enum pvrdma_mig_state {
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PVRDMA_MIG_MIGRATED,
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PVRDMA_MIG_REARM,
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PVRDMA_MIG_ARMED,
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};
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enum pvrdma_mw_type {
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PVRDMA_MW_TYPE_1 = 1,
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PVRDMA_MW_TYPE_2 = 2,
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};
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struct pvrdma_srq_attr {
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u32 max_wr;
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u32 max_sge;
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u32 srq_limit;
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u32 reserved;
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};
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struct pvrdma_qp_attr {
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enum pvrdma_qp_state qp_state;
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enum pvrdma_qp_state cur_qp_state;
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enum pvrdma_mtu path_mtu;
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enum pvrdma_mig_state path_mig_state;
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u32 qkey;
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u32 rq_psn;
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u32 sq_psn;
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u32 dest_qp_num;
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u32 qp_access_flags;
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u16 pkey_index;
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u16 alt_pkey_index;
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u8 en_sqd_async_notify;
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u8 sq_draining;
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u8 max_rd_atomic;
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u8 max_dest_rd_atomic;
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u8 min_rnr_timer;
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u8 port_num;
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u8 timeout;
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u8 retry_cnt;
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u8 rnr_retry;
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u8 alt_port_num;
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u8 alt_timeout;
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u8 reserved[5];
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struct pvrdma_qp_cap cap;
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struct pvrdma_ah_attr ah_attr;
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struct pvrdma_ah_attr alt_ah_attr;
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};
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enum pvrdma_send_flags {
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PVRDMA_SEND_FENCE = 1 << 0,
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PVRDMA_SEND_SIGNALED = 1 << 1,
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PVRDMA_SEND_SOLICITED = 1 << 2,
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PVRDMA_SEND_INLINE = 1 << 3,
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PVRDMA_SEND_IP_CSUM = 1 << 4,
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PVRDMA_SEND_FLAGS_MAX = PVRDMA_SEND_IP_CSUM,
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};
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enum pvrdma_access_flags {
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PVRDMA_ACCESS_LOCAL_WRITE = 1 << 0,
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PVRDMA_ACCESS_REMOTE_WRITE = 1 << 1,
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PVRDMA_ACCESS_REMOTE_READ = 1 << 2,
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PVRDMA_ACCESS_REMOTE_ATOMIC = 1 << 3,
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PVRDMA_ACCESS_MW_BIND = 1 << 4,
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PVRDMA_ZERO_BASED = 1 << 5,
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PVRDMA_ACCESS_ON_DEMAND = 1 << 6,
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PVRDMA_ACCESS_FLAGS_MAX = PVRDMA_ACCESS_ON_DEMAND,
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};
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int pvrdma_query_device(struct ib_device *ibdev,
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struct ib_device_attr *props,
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struct ib_udata *udata);
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int pvrdma_query_port(struct ib_device *ibdev, u32 port,
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struct ib_port_attr *props);
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int pvrdma_query_gid(struct ib_device *ibdev, u32 port,
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int index, union ib_gid *gid);
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int pvrdma_query_pkey(struct ib_device *ibdev, u32 port,
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u16 index, u16 *pkey);
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enum rdma_link_layer pvrdma_port_link_layer(struct ib_device *ibdev,
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u32 port);
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int pvrdma_modify_device(struct ib_device *ibdev, int mask,
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struct ib_device_modify *props);
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int pvrdma_modify_port(struct ib_device *ibdev, u32 port,
|
||
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int mask, struct ib_port_modify *props);
|
||
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int pvrdma_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);
|
||
|
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int pvrdma_alloc_ucontext(struct ib_ucontext *uctx, struct ib_udata *udata);
|
||
|
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void pvrdma_dealloc_ucontext(struct ib_ucontext *context);
|
||
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int pvrdma_alloc_pd(struct ib_pd *pd, struct ib_udata *udata);
|
||
|
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int pvrdma_dealloc_pd(struct ib_pd *ibpd, struct ib_udata *udata);
|
||
|
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struct ib_mr *pvrdma_get_dma_mr(struct ib_pd *pd, int acc);
|
||
|
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struct ib_mr *pvrdma_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
|
||
|
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u64 virt_addr, int access_flags,
|
||
|
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struct ib_udata *udata);
|
||
|
|
int pvrdma_dereg_mr(struct ib_mr *mr, struct ib_udata *udata);
|
||
|
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struct ib_mr *pvrdma_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
|
||
|
|
u32 max_num_sg);
|
||
|
|
int pvrdma_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg,
|
||
|
|
int sg_nents, unsigned int *sg_offset);
|
||
|
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int pvrdma_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
|
||
|
|
struct ib_udata *udata);
|
||
|
|
int pvrdma_destroy_cq(struct ib_cq *cq, struct ib_udata *udata);
|
||
|
|
int pvrdma_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
|
||
|
|
int pvrdma_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
|
||
|
|
int pvrdma_create_ah(struct ib_ah *ah, struct rdma_ah_init_attr *init_attr,
|
||
|
|
struct ib_udata *udata);
|
||
|
|
int pvrdma_destroy_ah(struct ib_ah *ah, u32 flags);
|
||
|
|
|
||
|
|
int pvrdma_create_srq(struct ib_srq *srq, struct ib_srq_init_attr *init_attr,
|
||
|
|
struct ib_udata *udata);
|
||
|
|
int pvrdma_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
|
||
|
|
enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
|
||
|
|
int pvrdma_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
|
||
|
|
int pvrdma_destroy_srq(struct ib_srq *srq, struct ib_udata *udata);
|
||
|
|
|
||
|
|
int pvrdma_create_qp(struct ib_qp *qp, struct ib_qp_init_attr *init_attr,
|
||
|
|
struct ib_udata *udata);
|
||
|
|
int pvrdma_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
|
||
|
|
int attr_mask, struct ib_udata *udata);
|
||
|
|
int pvrdma_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr,
|
||
|
|
int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr);
|
||
|
|
int pvrdma_destroy_qp(struct ib_qp *qp, struct ib_udata *udata);
|
||
|
|
int pvrdma_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr,
|
||
|
|
const struct ib_send_wr **bad_wr);
|
||
|
|
int pvrdma_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr,
|
||
|
|
const struct ib_recv_wr **bad_wr);
|
||
|
|
|
||
|
|
#endif /* __PVRDMA_VERBS_H__ */
|