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/*
* Copyright (c) 2009 Intel Corporation. All rights reserved.
*
* This software is available to you under the OpenFabrics.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 AWV
* 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.
*/
#if !defined(ACM_H)
#define ACM_H
#include <infiniband/verbs.h>
#include <infiniband/sa.h>
#ifdef __cplusplus
extern "C" {
#endif
#define ACM_VERSION 1
#define ACM_OP_MASK 0x0F
#define ACM_OP_RESOLVE 0x01
#define ACM_OP_PERF_QUERY 0x02
#define ACM_OP_EP_QUERY 0x03
#define ACM_OP_ACK 0x80
#define ACM_STATUS_SUCCESS 0
#define ACM_STATUS_ENOMEM 1
#define ACM_STATUS_EINVAL 2
#define ACM_STATUS_ENODATA 3
#define ACM_STATUS_ENOTCONN 5
#define ACM_STATUS_ETIMEDOUT 6
#define ACM_STATUS_ESRCADDR 7
#define ACM_STATUS_ESRCTYPE 8
#define ACM_STATUS_EDESTADDR 9
#define ACM_STATUS_EDESTTYPE 10
#define ACM_FLAGS_QUERY_SA (1<<31)
#define ACM_FLAGS_NODELAY (1<<30)
#define ACM_MSG_HDR_LENGTH 16
#define ACM_MAX_ADDRESS 64
#define ACM_MSG_EP_LENGTH 72
#define ACM_MAX_PROV_NAME 64
/*
* Support up to 6 path records (primary and alternate CM paths,
* inbound and outbound primary and alternate data paths), plus CM data.
*/
#define ACM_MSG_DATA_LENGTH (ACM_MSG_EP_LENGTH * 8)
#define src_out data[0]
#define src_index data[1]
#define dst_index data[2]
struct acm_hdr {
uint8_t version;
uint8_t opcode;
uint8_t status;
uint8_t data[3];
uint16_t length;
uint64_t tid;
};
#define ACM_EP_INFO_NAME 0x0001
#define ACM_EP_INFO_ADDRESS_IP 0x0002
#define ACM_EP_INFO_ADDRESS_IP6 0x0003
#define ACM_EP_INFO_PATH 0x0010
union acm_ep_info {
uint8_t addr[ACM_MAX_ADDRESS];
uint8_t name[ACM_MAX_ADDRESS];
struct ibv_path_record path;
};
#define ACM_EP_FLAG_SOURCE (1<<0)
#define ACM_EP_FLAG_DEST (1<<1)
struct acm_ep_addr_data {
uint32_t flags;
uint16_t type;
uint16_t reserved;
union acm_ep_info info;
};
/*
* Resolve messages with the opcode set to ACM_OP_RESOLVE are only
* used to communicate with the local ib_acm service. Message fields
* in this case are not byte swapped, but note that the acm_ep_info
* data is in network order.
*/
struct acm_resolve_msg {
struct acm_hdr hdr;
struct acm_ep_addr_data data[];
};
enum {
ACM_CNTR_ERROR,
ACM_CNTR_RESOLVE,
ACM_CNTR_NODATA,
ACM_CNTR_ADDR_QUERY,
ACM_CNTR_ADDR_CACHE,
ACM_CNTR_ROUTE_QUERY,
ACM_CNTR_ROUTE_CACHE,
ACM_MAX_COUNTER
};
/*
* Performance messages are sent/received in network byte order.
*/
struct acm_perf_msg {
struct acm_hdr hdr;
uint64_t data[];
};
/*
* Endpoint query messages are sent/received in network byte order.
*/
struct acm_ep_config_data {
uint64_t dev_guid;
uint8_t port_num;
uint8_t phys_port_cnt;
uint8_t rsvd[2];
uint16_t pkey;
uint16_t addr_cnt;
uint8_t prov_name[ACM_MAX_PROV_NAME];
union acm_ep_info addrs[];
};
struct acm_ep_query_msg {
struct acm_hdr hdr;
struct acm_ep_config_data data[];
};
struct acm_msg {
struct acm_hdr hdr;
union{
uint8_t data[ACM_MSG_DATA_LENGTH];
struct acm_ep_addr_data resolve_data[0];
uint64_t perf_data[0];
struct acm_ep_config_data ep_data[0];
};
};
#ifdef __cplusplus
}
#endif
#endif /* ACM_H */
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