diff options
Diffstat (limited to 'include/uapi/rdma/bnxt_re-abi.h')
| -rw-r--r-- | include/uapi/rdma/bnxt_re-abi.h | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/include/uapi/rdma/bnxt_re-abi.h b/include/uapi/rdma/bnxt_re-abi.h new file mode 100644 index 0000000000..6e7c67a0cc --- /dev/null +++ b/include/uapi/rdma/bnxt_re-abi.h @@ -0,0 +1,164 @@ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ +/* + * Broadcom NetXtreme-E RoCE driver. + * + * Copyright (c) 2016 - 2017, Broadcom. All rights reserved. The term + * Broadcom refers to Broadcom Limited and/or its subsidiaries. + * + * 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: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Description: Uverbs ABI header file + */ + +#ifndef __BNXT_RE_UVERBS_ABI_H__ +#define __BNXT_RE_UVERBS_ABI_H__ + +#include <linux/types.h> +#include <rdma/ib_user_ioctl_cmds.h> + +#define BNXT_RE_ABI_VERSION 1 + +#define BNXT_RE_CHIP_ID0_CHIP_NUM_SFT 0x00 +#define BNXT_RE_CHIP_ID0_CHIP_REV_SFT 0x10 +#define BNXT_RE_CHIP_ID0_CHIP_MET_SFT 0x18 + +enum { + BNXT_RE_UCNTX_CMASK_HAVE_CCTX = 0x1ULL, + BNXT_RE_UCNTX_CMASK_HAVE_MODE = 0x02ULL, + BNXT_RE_UCNTX_CMASK_WC_DPI_ENABLED = 0x04ULL, + BNXT_RE_UCNTX_CMASK_DBR_PACING_ENABLED = 0x08ULL, +}; + +enum bnxt_re_wqe_mode { + BNXT_QPLIB_WQE_MODE_STATIC = 0x00, + BNXT_QPLIB_WQE_MODE_VARIABLE = 0x01, + BNXT_QPLIB_WQE_MODE_INVALID = 0x02, +}; + +struct bnxt_re_uctx_resp { + __u32 dev_id; + __u32 max_qp; + __u32 pg_size; + __u32 cqe_sz; + __u32 max_cqd; + __u32 rsvd; + __aligned_u64 comp_mask; + __u32 chip_id0; + __u32 chip_id1; + __u32 mode; + __u32 rsvd1; /* padding */ +}; + +/* + * This struct is placed after the ib_uverbs_alloc_pd_resp struct, which is + * not 8 byted aligned. To avoid undesired padding in various cases we have to + * set this struct to packed. + */ +struct bnxt_re_pd_resp { + __u32 pdid; + __u32 dpi; + __u64 dbr; +} __attribute__((packed, aligned(4))); + +struct bnxt_re_cq_req { + __aligned_u64 cq_va; + __aligned_u64 cq_handle; +}; + +struct bnxt_re_cq_resp { + __u32 cqid; + __u32 tail; + __u32 phase; + __u32 rsvd; +}; + +struct bnxt_re_resize_cq_req { + __aligned_u64 cq_va; +}; + +struct bnxt_re_qp_req { + __aligned_u64 qpsva; + __aligned_u64 qprva; + __aligned_u64 qp_handle; +}; + +struct bnxt_re_qp_resp { + __u32 qpid; + __u32 rsvd; +}; + +struct bnxt_re_srq_req { + __aligned_u64 srqva; + __aligned_u64 srq_handle; +}; + +struct bnxt_re_srq_resp { + __u32 srqid; +}; + +enum bnxt_re_shpg_offt { + BNXT_RE_BEG_RESV_OFFT = 0x00, + BNXT_RE_AVID_OFFT = 0x10, + BNXT_RE_AVID_SIZE = 0x04, + BNXT_RE_END_RESV_OFFT = 0xFF0 +}; + +enum bnxt_re_objects { + BNXT_RE_OBJECT_ALLOC_PAGE = (1U << UVERBS_ID_NS_SHIFT), + BNXT_RE_OBJECT_NOTIFY_DRV, +}; + +enum bnxt_re_alloc_page_type { + BNXT_RE_ALLOC_WC_PAGE = 0, + BNXT_RE_ALLOC_DBR_BAR_PAGE, + BNXT_RE_ALLOC_DBR_PAGE, +}; + +enum bnxt_re_var_alloc_page_attrs { + BNXT_RE_ALLOC_PAGE_HANDLE = (1U << UVERBS_ID_NS_SHIFT), + BNXT_RE_ALLOC_PAGE_TYPE, + BNXT_RE_ALLOC_PAGE_DPI, + BNXT_RE_ALLOC_PAGE_MMAP_OFFSET, + BNXT_RE_ALLOC_PAGE_MMAP_LENGTH, +}; + +enum bnxt_re_alloc_page_attrs { + BNXT_RE_DESTROY_PAGE_HANDLE = (1U << UVERBS_ID_NS_SHIFT), +}; + +enum bnxt_re_alloc_page_methods { + BNXT_RE_METHOD_ALLOC_PAGE = (1U << UVERBS_ID_NS_SHIFT), + BNXT_RE_METHOD_DESTROY_PAGE, +}; + +enum bnxt_re_notify_drv_methods { + BNXT_RE_METHOD_NOTIFY_DRV = (1U << UVERBS_ID_NS_SHIFT), +}; +#endif /* __BNXT_RE_UVERBS_ABI_H__*/ |