89 lines
2.5 KiB
C
89 lines
2.5 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2013, Cisco Systems, Inc. All rights reserved.
|
||
|
|
*
|
||
|
|
* 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
|
||
|
|
* 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.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
#ifndef USNIC_ABI_H
|
||
|
|
#define USNIC_ABI_H
|
||
|
|
|
||
|
|
/* ABI between userspace and kernel */
|
||
|
|
#define USNIC_UVERBS_ABI_VERSION 4
|
||
|
|
|
||
|
|
#define USNIC_QP_GRP_MAX_WQS 8
|
||
|
|
#define USNIC_QP_GRP_MAX_RQS 8
|
||
|
|
#define USNIC_QP_GRP_MAX_CQS 16
|
||
|
|
|
||
|
|
enum usnic_transport_type {
|
||
|
|
USNIC_TRANSPORT_UNKNOWN = 0,
|
||
|
|
USNIC_TRANSPORT_ROCE_CUSTOM = 1,
|
||
|
|
USNIC_TRANSPORT_IPV4_UDP = 2,
|
||
|
|
USNIC_TRANSPORT_MAX = 3,
|
||
|
|
};
|
||
|
|
|
||
|
|
struct usnic_transport_spec {
|
||
|
|
enum usnic_transport_type trans_type;
|
||
|
|
union {
|
||
|
|
struct {
|
||
|
|
uint16_t port_num;
|
||
|
|
} usnic_roce;
|
||
|
|
struct {
|
||
|
|
uint32_t sock_fd;
|
||
|
|
} udp;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
struct usnic_ib_create_qp_cmd {
|
||
|
|
struct usnic_transport_spec spec;
|
||
|
|
};
|
||
|
|
|
||
|
|
/*TODO: Future - usnic_modify_qp needs to pass in generic filters */
|
||
|
|
struct usnic_ib_create_qp_resp {
|
||
|
|
u32 vfid;
|
||
|
|
u32 qp_grp_id;
|
||
|
|
u64 bar_bus_addr;
|
||
|
|
u32 bar_len;
|
||
|
|
/*
|
||
|
|
* WQ, RQ, CQ are explicity specified bc exposing a generic resources inteface
|
||
|
|
* expands the scope of ABI to many files.
|
||
|
|
*/
|
||
|
|
u32 wq_cnt;
|
||
|
|
u32 rq_cnt;
|
||
|
|
u32 cq_cnt;
|
||
|
|
u32 wq_idx[USNIC_QP_GRP_MAX_WQS];
|
||
|
|
u32 rq_idx[USNIC_QP_GRP_MAX_RQS];
|
||
|
|
u32 cq_idx[USNIC_QP_GRP_MAX_CQS];
|
||
|
|
u32 transport;
|
||
|
|
u32 reserved[9];
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif /* USNIC_ABI_H */
|