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7093892ca0
Don't install the ib_user_mad.h header file into user-space, because it conflicts with umad.h from libibumad.h when building libsysdecode. Sponsored by: Mellanox Technologies
270 lines
7.5 KiB
C
270 lines
7.5 KiB
C
/*
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* Copyright (c) 2004-2009 Voltaire Inc. All rights reserved.
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* Copyright (c) 2014 Intel Corporation. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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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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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*/
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#ifndef _UMAD_H
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#define _UMAD_H
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#include <stdint.h>
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#include <stdlib.h>
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#include <arpa/inet.h>
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#ifdef _KERNEL
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#include <sys/endian.h>
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#include <linux/types.h> /* __be16, __be32 and __be64 */
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#else
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#include <infiniband/endian.h>
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#include <infiniband/types.h>
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#endif
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#ifdef __cplusplus
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# define BEGIN_C_DECLS extern "C" {
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# define END_C_DECLS }
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#else /* !__cplusplus */
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# define BEGIN_C_DECLS
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# define END_C_DECLS
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#endif /* __cplusplus */
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BEGIN_C_DECLS
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typedef __be16 __attribute__((deprecated)) be16_t;
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typedef __be32 __attribute__((deprecated)) be32_t;
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typedef __be64 __attribute__((deprecated)) be64_t;
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/*
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* A GID data structure that may be used in definitions of on-the-wire data
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* structures. Do not cast umad_gid pointers to ibv_gid pointers because the
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* alignment of these two data structures is different.
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*/
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union umad_gid {
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uint8_t raw[16];
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__be16 raw_be16[8];
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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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} __attribute__((aligned(4))) __attribute__((packed));
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#define UMAD_MAX_DEVICES 32
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#define UMAD_ANY_PORT 0
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typedef struct ib_mad_addr {
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__be32 qpn;
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__be32 qkey;
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__be16 lid;
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uint8_t sl;
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uint8_t path_bits;
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uint8_t grh_present;
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uint8_t gid_index;
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uint8_t hop_limit;
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uint8_t traffic_class;
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union {
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uint8_t gid[16]; /* network-byte order */
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union umad_gid ib_gid;
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};
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__be32 flow_label;
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uint16_t pkey_index;
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uint8_t reserved[6];
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} ib_mad_addr_t;
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typedef struct ib_user_mad {
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uint32_t agent_id;
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uint32_t status;
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uint32_t timeout_ms;
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uint32_t retries;
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uint32_t length;
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ib_mad_addr_t addr;
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uint8_t data[0];
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} ib_user_mad_t;
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#define IB_UMAD_ABI_VERSION 5
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#define IB_UMAD_ABI_DIR "/sys/class/infiniband_mad"
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#define IB_UMAD_ABI_FILE "abi_version"
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#define IB_IOCTL_MAGIC 0x1b
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#define IB_USER_MAD_REGISTER_AGENT \
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_IOWR(IB_IOCTL_MAGIC, 1, uint8_t [28] /* struct ib_user_mad_reg_req */)
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#define IB_USER_MAD_UNREGISTER_AGENT _IOW(IB_IOCTL_MAGIC, 2, uint32_t)
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#define IB_USER_MAD_ENABLE_PKEY _IO(IB_IOCTL_MAGIC, 3)
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#define IB_USER_MAD_REGISTER_AGENT2 \
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_IOWR(IB_IOCTL_MAGIC, 4, uint8_t [40] /* struct ib_user_mad_reg_req2 */)
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#define UMAD_CA_NAME_LEN 20
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#define UMAD_CA_MAX_PORTS 10 /* 0 - 9 */
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#define UMAD_CA_MAX_AGENTS 32
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#define SYS_INFINIBAND "/sys/class/infiniband"
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#define SYS_INFINIBAND_MAD "/sys/class/infiniband_mad"
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#define SYS_IB_MAD_PORT "port"
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#define SYS_IB_MAD_DEV "ibdev"
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#define UMAD_MAX_PORTS 64
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#define UMAD_DEV_DIR "/dev"
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#define SYS_CA_PORTS_DIR "ports"
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#define SYS_NODE_TYPE "node_type"
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#define SYS_CA_FW_VERS "fw_ver"
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#define SYS_CA_HW_VERS "hw_rev"
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#define SYS_CA_TYPE "hca_type"
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#define SYS_CA_NODE_GUID "node_guid"
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#define SYS_CA_SYS_GUID "sys_image_guid"
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#define SYS_PORT_LMC "lid_mask_count"
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#define SYS_PORT_SMLID "sm_lid"
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#define SYS_PORT_SMSL "sm_sl"
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#define SYS_PORT_LID "lid"
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#define SYS_PORT_STATE "state"
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#define SYS_PORT_PHY_STATE "phys_state"
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#define SYS_PORT_CAPMASK "cap_mask"
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#define SYS_PORT_RATE "rate"
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#define SYS_PORT_GUID "port_guid"
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#define SYS_PORT_GID "gids/0"
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#define SYS_PORT_LINK_LAYER "link_layer"
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typedef struct umad_port {
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char ca_name[UMAD_CA_NAME_LEN];
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int portnum;
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unsigned base_lid;
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unsigned lmc;
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unsigned sm_lid;
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unsigned sm_sl;
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unsigned state;
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unsigned phys_state;
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unsigned rate;
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__be32 capmask;
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__be64 gid_prefix;
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__be64 port_guid;
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unsigned pkeys_size;
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uint16_t *pkeys;
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char link_layer[UMAD_CA_NAME_LEN];
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} umad_port_t;
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typedef struct umad_ca {
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char ca_name[UMAD_CA_NAME_LEN];
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unsigned node_type;
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int numports;
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char fw_ver[20];
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char ca_type[40];
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char hw_ver[20];
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__be64 node_guid;
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__be64 system_guid;
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umad_port_t *ports[UMAD_CA_MAX_PORTS];
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} umad_ca_t;
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int umad_init(void);
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int umad_done(void);
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int umad_get_cas_names(char cas[][UMAD_CA_NAME_LEN], int max);
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int umad_get_ca_portguids(const char *ca_name, __be64 *portguids, int max);
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int umad_get_ca(const char *ca_name, umad_ca_t * ca);
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int umad_release_ca(umad_ca_t * ca);
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int umad_get_port(const char *ca_name, int portnum, umad_port_t * port);
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int umad_release_port(umad_port_t * port);
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int umad_get_issm_path(const char *ca_name, int portnum, char path[], int max);
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int umad_open_port(const char *ca_name, int portnum);
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int umad_close_port(int portid);
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void *umad_get_mad(void *umad);
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size_t umad_size(void);
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int umad_status(void *umad);
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ib_mad_addr_t *umad_get_mad_addr(void *umad);
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int umad_set_grh_net(void *umad, void *mad_addr);
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int umad_set_grh(void *umad, void *mad_addr);
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int umad_set_addr_net(void *umad, __be16 dlid, __be32 dqp, int sl, __be32 qkey);
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int umad_set_addr(void *umad, int dlid, int dqp, int sl, int qkey);
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int umad_set_pkey(void *umad, int pkey_index);
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int umad_get_pkey(void *umad);
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int umad_send(int portid, int agentid, void *umad, int length,
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int timeout_ms, int retries);
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int umad_recv(int portid, void *umad, int *length, int timeout_ms);
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int umad_poll(int portid, int timeout_ms);
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int umad_get_fd(int portid);
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int umad_register(int portid, int mgmt_class, int mgmt_version,
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uint8_t rmpp_version, long method_mask[16 / sizeof(long)]);
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int umad_register_oui(int portid, int mgmt_class, uint8_t rmpp_version,
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uint8_t oui[3], long method_mask[16 / sizeof(long)]);
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int umad_unregister(int portid, int agentid);
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enum {
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UMAD_USER_RMPP = (1 << 0)
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};
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struct umad_reg_attr {
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uint8_t mgmt_class;
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uint8_t mgmt_class_version;
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uint32_t flags;
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uint64_t method_mask[2];
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uint32_t oui;
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uint8_t rmpp_version;
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};
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int umad_register2(int port_fd, struct umad_reg_attr *attr,
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uint32_t *agent_id);
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int umad_debug(int level);
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void umad_addr_dump(ib_mad_addr_t * addr);
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void umad_dump(void *umad);
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static inline void *umad_alloc(int num, size_t size)
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{ /* alloc array of umad buffers */
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return calloc(num, size);
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}
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static inline void umad_free(void *umad)
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{
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free(umad);
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}
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/* Users should use the glibc functions directly, not these wrappers */
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#ifndef ntohll
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#undef ntohll
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static inline __attribute__((deprecated)) uint64_t ntohll(uint64_t x) { return be64toh(x); }
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#define ntohll ntohll
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#endif
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#ifndef htonll
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#undef htonll
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static inline __attribute__((deprecated)) uint64_t htonll(uint64_t x) { return htobe64(x); }
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#define htonll htonll
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#endif
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END_C_DECLS
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#endif /* _UMAD_H */
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