mirror of
https://github.com/torvalds/linux.git
synced 2024-11-22 20:22:09 +00:00
61a8118f60
Add driver notify uapi for application notifying the driver about the doorbell FIFO congestion. Link: https://lore.kernel.org/r/1689742977-9128-8-git-send-email-selvin.xavier@broadcom.com Signed-off-by: Chandramohan Akula <chandramohan.akula@broadcom.com> Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
165 lines
4.4 KiB
C
165 lines
4.4 KiB
C
/* 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__*/
|