1123 lines
31 KiB
C
1123 lines
31 KiB
C
/*
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* Copyright (c) 2013-2015, Mellanox Technologies. 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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#ifndef MLX5_IB_H
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#define MLX5_IB_H
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#include <linux/kernel.h>
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#include <linux/sched.h>
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#include <rdma/ib_verbs.h>
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#include <rdma/ib_smi.h>
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#include <linux/mlx5/driver.h>
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#include <linux/mlx5/cq.h>
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#include <linux/mlx5/qp.h>
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#include <linux/mlx5/srq.h>
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#include <linux/types.h>
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#include <linux/mlx5/transobj.h>
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#include <rdma/ib_user_verbs.h>
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#include <rdma/mlx5-abi.h>
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#define mlx5_ib_dbg(dev, format, arg...) \
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pr_debug("%s:%s:%d:(pid %d): " format, (dev)->ib_dev.name, __func__, \
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__LINE__, current->pid, ##arg)
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#define mlx5_ib_err(dev, format, arg...) \
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pr_err("%s:%s:%d:(pid %d): " format, (dev)->ib_dev.name, __func__, \
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__LINE__, current->pid, ##arg)
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#define mlx5_ib_warn(dev, format, arg...) \
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pr_warn("%s:%s:%d:(pid %d): " format, (dev)->ib_dev.name, __func__, \
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__LINE__, current->pid, ##arg)
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#define field_avail(type, fld, sz) (offsetof(type, fld) + \
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sizeof(((type *)0)->fld) <= (sz))
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#define MLX5_IB_DEFAULT_UIDX 0xffffff
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#define MLX5_USER_ASSIGNED_UIDX_MASK __mlx5_mask(qpc, user_index)
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#define MLX5_MKEY_PAGE_SHIFT_MASK __mlx5_mask(mkc, log_page_size)
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enum {
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MLX5_IB_MMAP_CMD_SHIFT = 8,
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MLX5_IB_MMAP_CMD_MASK = 0xff,
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};
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enum mlx5_ib_mmap_cmd {
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MLX5_IB_MMAP_REGULAR_PAGE = 0,
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MLX5_IB_MMAP_GET_CONTIGUOUS_PAGES = 1,
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MLX5_IB_MMAP_WC_PAGE = 2,
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MLX5_IB_MMAP_NC_PAGE = 3,
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/* 5 is chosen in order to be compatible with old versions of libmlx5 */
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MLX5_IB_MMAP_CORE_CLOCK = 5,
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};
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enum {
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MLX5_RES_SCAT_DATA32_CQE = 0x1,
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MLX5_RES_SCAT_DATA64_CQE = 0x2,
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MLX5_REQ_SCAT_DATA32_CQE = 0x11,
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MLX5_REQ_SCAT_DATA64_CQE = 0x22,
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};
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enum mlx5_ib_latency_class {
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MLX5_IB_LATENCY_CLASS_LOW,
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MLX5_IB_LATENCY_CLASS_MEDIUM,
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MLX5_IB_LATENCY_CLASS_HIGH,
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};
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enum mlx5_ib_mad_ifc_flags {
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MLX5_MAD_IFC_IGNORE_MKEY = 1,
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MLX5_MAD_IFC_IGNORE_BKEY = 2,
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MLX5_MAD_IFC_NET_VIEW = 4,
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};
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enum {
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MLX5_CROSS_CHANNEL_BFREG = 0,
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};
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enum {
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MLX5_CQE_VERSION_V0,
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MLX5_CQE_VERSION_V1,
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};
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enum {
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MLX5_TM_MAX_RNDV_MSG_SIZE = 64,
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MLX5_TM_MAX_SGE = 1,
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};
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struct mlx5_ib_vma_private_data {
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struct list_head list;
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struct vm_area_struct *vma;
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/* protect vma_private_list add/del */
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struct mutex *vma_private_list_mutex;
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};
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struct mlx5_ib_ucontext {
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struct ib_ucontext ibucontext;
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struct list_head db_page_list;
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/* protect doorbell record alloc/free
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*/
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struct mutex db_page_mutex;
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struct mlx5_bfreg_info bfregi;
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u8 cqe_version;
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/* Transport Domain number */
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u32 tdn;
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struct list_head vma_private_list;
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/* protect vma_private_list add/del */
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struct mutex vma_private_list_mutex;
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unsigned long upd_xlt_page;
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/* protect ODP/KSM */
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struct mutex upd_xlt_page_mutex;
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u64 lib_caps;
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};
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static inline struct mlx5_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext)
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{
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return container_of(ibucontext, struct mlx5_ib_ucontext, ibucontext);
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}
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struct mlx5_ib_pd {
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struct ib_pd ibpd;
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u32 pdn;
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};
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#define MLX5_IB_FLOW_MCAST_PRIO (MLX5_BY_PASS_NUM_PRIOS - 1)
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#define MLX5_IB_FLOW_LAST_PRIO (MLX5_BY_PASS_NUM_REGULAR_PRIOS - 1)
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#if (MLX5_IB_FLOW_LAST_PRIO <= 0)
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#error "Invalid number of bypass priorities"
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#endif
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#define MLX5_IB_FLOW_LEFTOVERS_PRIO (MLX5_IB_FLOW_MCAST_PRIO + 1)
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#define MLX5_IB_NUM_FLOW_FT (MLX5_IB_FLOW_LEFTOVERS_PRIO + 1)
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#define MLX5_IB_NUM_SNIFFER_FTS 2
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struct mlx5_ib_flow_prio {
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struct mlx5_flow_table *flow_table;
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unsigned int refcount;
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};
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struct mlx5_ib_flow_handler {
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struct list_head list;
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struct ib_flow ibflow;
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struct mlx5_ib_flow_prio *prio;
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struct mlx5_flow_handle *rule;
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};
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struct mlx5_ib_flow_db {
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struct mlx5_ib_flow_prio prios[MLX5_IB_NUM_FLOW_FT];
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struct mlx5_ib_flow_prio sniffer[MLX5_IB_NUM_SNIFFER_FTS];
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struct mlx5_flow_table *lag_demux_ft;
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/* Protect flow steering bypass flow tables
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* when add/del flow rules.
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* only single add/removal of flow steering rule could be done
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* simultaneously.
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*/
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struct mutex lock;
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};
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/* Use macros here so that don't have to duplicate
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* enum ib_send_flags and enum ib_qp_type for low-level driver
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*/
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#define MLX5_IB_SEND_UMR_ENABLE_MR (IB_SEND_RESERVED_START << 0)
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#define MLX5_IB_SEND_UMR_DISABLE_MR (IB_SEND_RESERVED_START << 1)
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#define MLX5_IB_SEND_UMR_FAIL_IF_FREE (IB_SEND_RESERVED_START << 2)
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#define MLX5_IB_SEND_UMR_UPDATE_XLT (IB_SEND_RESERVED_START << 3)
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#define MLX5_IB_SEND_UMR_UPDATE_TRANSLATION (IB_SEND_RESERVED_START << 4)
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#define MLX5_IB_SEND_UMR_UPDATE_PD_ACCESS IB_SEND_RESERVED_END
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#define MLX5_IB_QPT_REG_UMR IB_QPT_RESERVED1
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/*
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* IB_QPT_GSI creates the software wrapper around GSI, and MLX5_IB_QPT_HW_GSI
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* creates the actual hardware QP.
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*/
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#define MLX5_IB_QPT_HW_GSI IB_QPT_RESERVED2
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#define MLX5_IB_WR_UMR IB_WR_RESERVED1
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#define MLX5_IB_UMR_OCTOWORD 16
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#define MLX5_IB_UMR_XLT_ALIGNMENT 64
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#define MLX5_IB_UPD_XLT_ZAP BIT(0)
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#define MLX5_IB_UPD_XLT_ENABLE BIT(1)
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#define MLX5_IB_UPD_XLT_ATOMIC BIT(2)
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#define MLX5_IB_UPD_XLT_ADDR BIT(3)
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#define MLX5_IB_UPD_XLT_PD BIT(4)
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#define MLX5_IB_UPD_XLT_ACCESS BIT(5)
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#define MLX5_IB_UPD_XLT_INDIRECT BIT(6)
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/* Private QP creation flags to be passed in ib_qp_init_attr.create_flags.
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*
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* These flags are intended for internal use by the mlx5_ib driver, and they
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* rely on the range reserved for that use in the ib_qp_create_flags enum.
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*/
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/* Create a UD QP whose source QP number is 1 */
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static inline enum ib_qp_create_flags mlx5_ib_create_qp_sqpn_qp1(void)
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{
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return IB_QP_CREATE_RESERVED_START;
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}
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struct wr_list {
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u16 opcode;
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u16 next;
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};
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enum mlx5_ib_rq_flags {
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MLX5_IB_RQ_CVLAN_STRIPPING = 1 << 0,
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MLX5_IB_RQ_PCI_WRITE_END_PADDING = 1 << 1,
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};
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struct mlx5_ib_wq {
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u64 *wrid;
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u32 *wr_data;
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struct wr_list *w_list;
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unsigned *wqe_head;
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u16 unsig_count;
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/* serialize post to the work queue
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*/
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spinlock_t lock;
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int wqe_cnt;
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int max_post;
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int max_gs;
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int offset;
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int wqe_shift;
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unsigned head;
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unsigned tail;
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u16 cur_post;
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u16 last_poll;
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void *qend;
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};
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enum mlx5_ib_wq_flags {
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MLX5_IB_WQ_FLAGS_DELAY_DROP = 0x1,
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MLX5_IB_WQ_FLAGS_STRIDING_RQ = 0x2,
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};
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#define MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES 9
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#define MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES 16
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#define MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES 6
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#define MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES 13
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struct mlx5_ib_rwq {
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struct ib_wq ibwq;
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struct mlx5_core_qp core_qp;
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u32 rq_num_pas;
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u32 log_rq_stride;
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u32 log_rq_size;
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u32 rq_page_offset;
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u32 log_page_size;
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u32 log_num_strides;
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u32 two_byte_shift_en;
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u32 single_stride_log_num_of_bytes;
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struct ib_umem *umem;
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size_t buf_size;
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unsigned int page_shift;
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int create_type;
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struct mlx5_db db;
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u32 user_index;
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u32 wqe_count;
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u32 wqe_shift;
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int wq_sig;
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u32 create_flags; /* Use enum mlx5_ib_wq_flags */
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};
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enum {
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MLX5_QP_USER,
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MLX5_QP_KERNEL,
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MLX5_QP_EMPTY
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};
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enum {
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MLX5_WQ_USER,
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MLX5_WQ_KERNEL
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};
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struct mlx5_ib_rwq_ind_table {
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struct ib_rwq_ind_table ib_rwq_ind_tbl;
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u32 rqtn;
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};
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struct mlx5_ib_ubuffer {
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struct ib_umem *umem;
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int buf_size;
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u64 buf_addr;
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};
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struct mlx5_ib_qp_base {
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struct mlx5_ib_qp *container_mibqp;
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struct mlx5_core_qp mqp;
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struct mlx5_ib_ubuffer ubuffer;
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};
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struct mlx5_ib_qp_trans {
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struct mlx5_ib_qp_base base;
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u16 xrcdn;
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u8 alt_port;
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u8 atomic_rd_en;
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u8 resp_depth;
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};
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struct mlx5_ib_rss_qp {
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u32 tirn;
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};
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struct mlx5_ib_rq {
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struct mlx5_ib_qp_base base;
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struct mlx5_ib_wq *rq;
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struct mlx5_ib_ubuffer ubuffer;
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struct mlx5_db *doorbell;
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u32 tirn;
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u8 state;
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u32 flags;
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};
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struct mlx5_ib_sq {
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struct mlx5_ib_qp_base base;
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struct mlx5_ib_wq *sq;
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struct mlx5_ib_ubuffer ubuffer;
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struct mlx5_db *doorbell;
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u32 tisn;
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u8 state;
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};
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struct mlx5_ib_raw_packet_qp {
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struct mlx5_ib_sq sq;
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struct mlx5_ib_rq rq;
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};
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struct mlx5_bf {
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int buf_size;
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unsigned long offset;
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struct mlx5_sq_bfreg *bfreg;
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};
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struct mlx5_ib_qp {
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struct ib_qp ibqp;
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union {
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struct mlx5_ib_qp_trans trans_qp;
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struct mlx5_ib_raw_packet_qp raw_packet_qp;
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struct mlx5_ib_rss_qp rss_qp;
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};
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struct mlx5_buf buf;
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struct mlx5_db db;
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struct mlx5_ib_wq rq;
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u8 sq_signal_bits;
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u8 next_fence;
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struct mlx5_ib_wq sq;
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/* serialize qp state modifications
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*/
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struct mutex mutex;
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u32 flags;
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u8 port;
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u8 state;
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int wq_sig;
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int scat_cqe;
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int max_inline_data;
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struct mlx5_bf bf;
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int has_rq;
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/* only for user space QPs. For kernel
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* we have it from the bf object
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*/
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int bfregn;
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int create_type;
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/* Store signature errors */
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bool signature_en;
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struct list_head qps_list;
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struct list_head cq_recv_list;
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struct list_head cq_send_list;
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u32 rate_limit;
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u32 underlay_qpn;
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bool tunnel_offload_en;
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};
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struct mlx5_ib_cq_buf {
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struct mlx5_buf buf;
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struct ib_umem *umem;
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int cqe_size;
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int nent;
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};
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enum mlx5_ib_qp_flags {
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MLX5_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO,
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MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK,
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MLX5_IB_QP_CROSS_CHANNEL = IB_QP_CREATE_CROSS_CHANNEL,
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MLX5_IB_QP_MANAGED_SEND = IB_QP_CREATE_MANAGED_SEND,
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MLX5_IB_QP_MANAGED_RECV = IB_QP_CREATE_MANAGED_RECV,
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MLX5_IB_QP_SIGNATURE_HANDLING = 1 << 5,
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/* QP uses 1 as its source QP number */
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MLX5_IB_QP_SQPN_QP1 = 1 << 6,
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MLX5_IB_QP_CAP_SCATTER_FCS = 1 << 7,
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MLX5_IB_QP_RSS = 1 << 8,
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MLX5_IB_QP_CVLAN_STRIPPING = 1 << 9,
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MLX5_IB_QP_UNDERLAY = 1 << 10,
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MLX5_IB_QP_PCI_WRITE_END_PADDING = 1 << 11,
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MLX5_IB_QP_TUNNEL_OFFLOAD = 1 << 12,
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};
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struct mlx5_umr_wr {
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struct ib_send_wr wr;
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u64 virt_addr;
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u64 offset;
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struct ib_pd *pd;
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unsigned int page_shift;
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unsigned int xlt_size;
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u64 length;
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int access_flags;
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u32 mkey;
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};
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static inline struct mlx5_umr_wr *umr_wr(struct ib_send_wr *wr)
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{
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return container_of(wr, struct mlx5_umr_wr, wr);
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}
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struct mlx5_shared_mr_info {
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int mr_id;
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struct ib_umem *umem;
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};
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enum mlx5_ib_cq_pr_flags {
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MLX5_IB_CQ_PR_FLAGS_CQE_128_PAD = 1 << 0,
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};
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struct mlx5_ib_cq {
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struct ib_cq ibcq;
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struct mlx5_core_cq mcq;
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struct mlx5_ib_cq_buf buf;
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struct mlx5_db db;
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/* serialize access to the CQ
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*/
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spinlock_t lock;
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/* protect resize cq
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*/
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struct mutex resize_mutex;
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struct mlx5_ib_cq_buf *resize_buf;
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struct ib_umem *resize_umem;
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int cqe_size;
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struct list_head list_send_qp;
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struct list_head list_recv_qp;
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u32 create_flags;
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struct list_head wc_list;
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enum ib_cq_notify_flags notify_flags;
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struct work_struct notify_work;
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u16 private_flags; /* Use mlx5_ib_cq_pr_flags */
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};
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struct mlx5_ib_wc {
|
|
struct ib_wc wc;
|
|
struct list_head list;
|
|
};
|
|
|
|
struct mlx5_ib_srq {
|
|
struct ib_srq ibsrq;
|
|
struct mlx5_core_srq msrq;
|
|
struct mlx5_buf buf;
|
|
struct mlx5_db db;
|
|
u64 *wrid;
|
|
/* protect SRQ hanlding
|
|
*/
|
|
spinlock_t lock;
|
|
int head;
|
|
int tail;
|
|
u16 wqe_ctr;
|
|
struct ib_umem *umem;
|
|
/* serialize arming a SRQ
|
|
*/
|
|
struct mutex mutex;
|
|
int wq_sig;
|
|
};
|
|
|
|
struct mlx5_ib_xrcd {
|
|
struct ib_xrcd ibxrcd;
|
|
u32 xrcdn;
|
|
};
|
|
|
|
enum mlx5_ib_mtt_access_flags {
|
|
MLX5_IB_MTT_READ = (1 << 0),
|
|
MLX5_IB_MTT_WRITE = (1 << 1),
|
|
};
|
|
|
|
#define MLX5_IB_MTT_PRESENT (MLX5_IB_MTT_READ | MLX5_IB_MTT_WRITE)
|
|
|
|
struct mlx5_ib_mr {
|
|
struct ib_mr ibmr;
|
|
void *descs;
|
|
dma_addr_t desc_map;
|
|
int ndescs;
|
|
int max_descs;
|
|
int desc_size;
|
|
int access_mode;
|
|
struct mlx5_core_mkey mmkey;
|
|
struct ib_umem *umem;
|
|
struct mlx5_shared_mr_info *smr_info;
|
|
struct list_head list;
|
|
int order;
|
|
bool allocated_from_cache;
|
|
int npages;
|
|
struct mlx5_ib_dev *dev;
|
|
u32 out[MLX5_ST_SZ_DW(create_mkey_out)];
|
|
struct mlx5_core_sig_ctx *sig;
|
|
int live;
|
|
void *descs_alloc;
|
|
int access_flags; /* Needed for rereg MR */
|
|
|
|
struct mlx5_ib_mr *parent;
|
|
atomic_t num_leaf_free;
|
|
wait_queue_head_t q_leaf_free;
|
|
};
|
|
|
|
struct mlx5_ib_mw {
|
|
struct ib_mw ibmw;
|
|
struct mlx5_core_mkey mmkey;
|
|
int ndescs;
|
|
};
|
|
|
|
struct mlx5_ib_umr_context {
|
|
struct ib_cqe cqe;
|
|
enum ib_wc_status status;
|
|
struct completion done;
|
|
};
|
|
|
|
struct umr_common {
|
|
struct ib_pd *pd;
|
|
struct ib_cq *cq;
|
|
struct ib_qp *qp;
|
|
/* control access to UMR QP
|
|
*/
|
|
struct semaphore sem;
|
|
};
|
|
|
|
enum {
|
|
MLX5_FMR_INVALID,
|
|
MLX5_FMR_VALID,
|
|
MLX5_FMR_BUSY,
|
|
};
|
|
|
|
struct mlx5_cache_ent {
|
|
struct list_head head;
|
|
/* sync access to the cahce entry
|
|
*/
|
|
spinlock_t lock;
|
|
|
|
|
|
struct dentry *dir;
|
|
char name[4];
|
|
u32 order;
|
|
u32 xlt;
|
|
u32 access_mode;
|
|
u32 page;
|
|
|
|
u32 size;
|
|
u32 cur;
|
|
u32 miss;
|
|
u32 limit;
|
|
|
|
struct dentry *fsize;
|
|
struct dentry *fcur;
|
|
struct dentry *fmiss;
|
|
struct dentry *flimit;
|
|
|
|
struct mlx5_ib_dev *dev;
|
|
struct work_struct work;
|
|
struct delayed_work dwork;
|
|
int pending;
|
|
struct completion compl;
|
|
};
|
|
|
|
struct mlx5_mr_cache {
|
|
struct workqueue_struct *wq;
|
|
struct mlx5_cache_ent ent[MAX_MR_CACHE_ENTRIES];
|
|
int stopped;
|
|
struct dentry *root;
|
|
unsigned long last_add;
|
|
};
|
|
|
|
struct mlx5_ib_gsi_qp;
|
|
|
|
struct mlx5_ib_port_resources {
|
|
struct mlx5_ib_resources *devr;
|
|
struct mlx5_ib_gsi_qp *gsi;
|
|
struct work_struct pkey_change_work;
|
|
};
|
|
|
|
struct mlx5_ib_resources {
|
|
struct ib_cq *c0;
|
|
struct ib_xrcd *x0;
|
|
struct ib_xrcd *x1;
|
|
struct ib_pd *p0;
|
|
struct ib_srq *s0;
|
|
struct ib_srq *s1;
|
|
struct mlx5_ib_port_resources ports[2];
|
|
/* Protects changes to the port resources */
|
|
struct mutex mutex;
|
|
};
|
|
|
|
struct mlx5_ib_counters {
|
|
const char **names;
|
|
size_t *offsets;
|
|
u32 num_q_counters;
|
|
u32 num_cong_counters;
|
|
u16 set_id;
|
|
};
|
|
|
|
struct mlx5_ib_port {
|
|
struct mlx5_ib_counters cnts;
|
|
};
|
|
|
|
struct mlx5_roce {
|
|
/* Protect mlx5_ib_get_netdev from invoking dev_hold() with a NULL
|
|
* netdev pointer
|
|
*/
|
|
rwlock_t netdev_lock;
|
|
struct net_device *netdev;
|
|
struct notifier_block nb;
|
|
atomic_t next_port;
|
|
enum ib_port_state last_port_state;
|
|
};
|
|
|
|
struct mlx5_ib_dbg_param {
|
|
int offset;
|
|
struct mlx5_ib_dev *dev;
|
|
struct dentry *dentry;
|
|
};
|
|
|
|
enum mlx5_ib_dbg_cc_types {
|
|
MLX5_IB_DBG_CC_RP_CLAMP_TGT_RATE,
|
|
MLX5_IB_DBG_CC_RP_CLAMP_TGT_RATE_ATI,
|
|
MLX5_IB_DBG_CC_RP_TIME_RESET,
|
|
MLX5_IB_DBG_CC_RP_BYTE_RESET,
|
|
MLX5_IB_DBG_CC_RP_THRESHOLD,
|
|
MLX5_IB_DBG_CC_RP_AI_RATE,
|
|
MLX5_IB_DBG_CC_RP_HAI_RATE,
|
|
MLX5_IB_DBG_CC_RP_MIN_DEC_FAC,
|
|
MLX5_IB_DBG_CC_RP_MIN_RATE,
|
|
MLX5_IB_DBG_CC_RP_RATE_TO_SET_ON_FIRST_CNP,
|
|
MLX5_IB_DBG_CC_RP_DCE_TCP_G,
|
|
MLX5_IB_DBG_CC_RP_DCE_TCP_RTT,
|
|
MLX5_IB_DBG_CC_RP_RATE_REDUCE_MONITOR_PERIOD,
|
|
MLX5_IB_DBG_CC_RP_INITIAL_ALPHA_VALUE,
|
|
MLX5_IB_DBG_CC_RP_GD,
|
|
MLX5_IB_DBG_CC_NP_CNP_DSCP,
|
|
MLX5_IB_DBG_CC_NP_CNP_PRIO_MODE,
|
|
MLX5_IB_DBG_CC_NP_CNP_PRIO,
|
|
MLX5_IB_DBG_CC_MAX,
|
|
};
|
|
|
|
struct mlx5_ib_dbg_cc_params {
|
|
struct dentry *root;
|
|
struct mlx5_ib_dbg_param params[MLX5_IB_DBG_CC_MAX];
|
|
};
|
|
|
|
enum {
|
|
MLX5_MAX_DELAY_DROP_TIMEOUT_MS = 100,
|
|
};
|
|
|
|
struct mlx5_ib_dbg_delay_drop {
|
|
struct dentry *dir_debugfs;
|
|
struct dentry *rqs_cnt_debugfs;
|
|
struct dentry *events_cnt_debugfs;
|
|
struct dentry *timeout_debugfs;
|
|
};
|
|
|
|
struct mlx5_ib_delay_drop {
|
|
struct mlx5_ib_dev *dev;
|
|
struct work_struct delay_drop_work;
|
|
/* serialize setting of delay drop */
|
|
struct mutex lock;
|
|
u32 timeout;
|
|
bool activate;
|
|
atomic_t events_cnt;
|
|
atomic_t rqs_cnt;
|
|
struct mlx5_ib_dbg_delay_drop *dbg;
|
|
};
|
|
|
|
struct mlx5_ib_dev {
|
|
struct ib_device ib_dev;
|
|
struct mlx5_core_dev *mdev;
|
|
struct mlx5_roce roce;
|
|
int num_ports;
|
|
/* serialize update of capability mask
|
|
*/
|
|
struct mutex cap_mask_mutex;
|
|
bool ib_active;
|
|
struct umr_common umrc;
|
|
/* sync used page count stats
|
|
*/
|
|
struct mlx5_ib_resources devr;
|
|
struct mlx5_mr_cache cache;
|
|
struct timer_list delay_timer;
|
|
/* Prevents soft lock on massive reg MRs */
|
|
struct mutex slow_path_mutex;
|
|
int fill_delay;
|
|
#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
|
|
struct ib_odp_caps odp_caps;
|
|
u64 odp_max_size;
|
|
/*
|
|
* Sleepable RCU that prevents destruction of MRs while they are still
|
|
* being used by a page fault handler.
|
|
*/
|
|
struct srcu_struct mr_srcu;
|
|
u32 null_mkey;
|
|
#endif
|
|
struct mlx5_ib_flow_db flow_db;
|
|
/* protect resources needed as part of reset flow */
|
|
spinlock_t reset_flow_resource_lock;
|
|
struct list_head qp_list;
|
|
/* Array with num_ports elements */
|
|
struct mlx5_ib_port *port;
|
|
struct mlx5_sq_bfreg bfreg;
|
|
struct mlx5_sq_bfreg fp_bfreg;
|
|
struct mlx5_ib_delay_drop delay_drop;
|
|
struct mlx5_ib_dbg_cc_params *dbg_cc_params;
|
|
|
|
/* protect the user_td */
|
|
struct mutex lb_mutex;
|
|
u32 user_td;
|
|
u8 umr_fence;
|
|
};
|
|
|
|
static inline struct mlx5_ib_cq *to_mibcq(struct mlx5_core_cq *mcq)
|
|
{
|
|
return container_of(mcq, struct mlx5_ib_cq, mcq);
|
|
}
|
|
|
|
static inline struct mlx5_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd)
|
|
{
|
|
return container_of(ibxrcd, struct mlx5_ib_xrcd, ibxrcd);
|
|
}
|
|
|
|
static inline struct mlx5_ib_dev *to_mdev(struct ib_device *ibdev)
|
|
{
|
|
return container_of(ibdev, struct mlx5_ib_dev, ib_dev);
|
|
}
|
|
|
|
static inline struct mlx5_ib_cq *to_mcq(struct ib_cq *ibcq)
|
|
{
|
|
return container_of(ibcq, struct mlx5_ib_cq, ibcq);
|
|
}
|
|
|
|
static inline struct mlx5_ib_qp *to_mibqp(struct mlx5_core_qp *mqp)
|
|
{
|
|
return container_of(mqp, struct mlx5_ib_qp_base, mqp)->container_mibqp;
|
|
}
|
|
|
|
static inline struct mlx5_ib_rwq *to_mibrwq(struct mlx5_core_qp *core_qp)
|
|
{
|
|
return container_of(core_qp, struct mlx5_ib_rwq, core_qp);
|
|
}
|
|
|
|
static inline struct mlx5_ib_mr *to_mibmr(struct mlx5_core_mkey *mmkey)
|
|
{
|
|
return container_of(mmkey, struct mlx5_ib_mr, mmkey);
|
|
}
|
|
|
|
static inline struct mlx5_ib_pd *to_mpd(struct ib_pd *ibpd)
|
|
{
|
|
return container_of(ibpd, struct mlx5_ib_pd, ibpd);
|
|
}
|
|
|
|
static inline struct mlx5_ib_srq *to_msrq(struct ib_srq *ibsrq)
|
|
{
|
|
return container_of(ibsrq, struct mlx5_ib_srq, ibsrq);
|
|
}
|
|
|
|
static inline struct mlx5_ib_qp *to_mqp(struct ib_qp *ibqp)
|
|
{
|
|
return container_of(ibqp, struct mlx5_ib_qp, ibqp);
|
|
}
|
|
|
|
static inline struct mlx5_ib_rwq *to_mrwq(struct ib_wq *ibwq)
|
|
{
|
|
return container_of(ibwq, struct mlx5_ib_rwq, ibwq);
|
|
}
|
|
|
|
static inline struct mlx5_ib_rwq_ind_table *to_mrwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_tbl)
|
|
{
|
|
return container_of(ib_rwq_ind_tbl, struct mlx5_ib_rwq_ind_table, ib_rwq_ind_tbl);
|
|
}
|
|
|
|
static inline struct mlx5_ib_srq *to_mibsrq(struct mlx5_core_srq *msrq)
|
|
{
|
|
return container_of(msrq, struct mlx5_ib_srq, msrq);
|
|
}
|
|
|
|
static inline struct mlx5_ib_mr *to_mmr(struct ib_mr *ibmr)
|
|
{
|
|
return container_of(ibmr, struct mlx5_ib_mr, ibmr);
|
|
}
|
|
|
|
static inline struct mlx5_ib_mw *to_mmw(struct ib_mw *ibmw)
|
|
{
|
|
return container_of(ibmw, struct mlx5_ib_mw, ibmw);
|
|
}
|
|
|
|
int mlx5_ib_db_map_user(struct mlx5_ib_ucontext *context, unsigned long virt,
|
|
struct mlx5_db *db);
|
|
void mlx5_ib_db_unmap_user(struct mlx5_ib_ucontext *context, struct mlx5_db *db);
|
|
void __mlx5_ib_cq_clean(struct mlx5_ib_cq *cq, u32 qpn, struct mlx5_ib_srq *srq);
|
|
void mlx5_ib_cq_clean(struct mlx5_ib_cq *cq, u32 qpn, struct mlx5_ib_srq *srq);
|
|
void mlx5_ib_free_srq_wqe(struct mlx5_ib_srq *srq, int wqe_index);
|
|
int mlx5_MAD_IFC(struct mlx5_ib_dev *dev, int ignore_mkey, int ignore_bkey,
|
|
u8 port, const struct ib_wc *in_wc, const struct ib_grh *in_grh,
|
|
const void *in_mad, void *response_mad);
|
|
struct ib_ah *mlx5_ib_create_ah(struct ib_pd *pd, struct rdma_ah_attr *ah_attr,
|
|
struct ib_udata *udata);
|
|
int mlx5_ib_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr);
|
|
int mlx5_ib_destroy_ah(struct ib_ah *ah);
|
|
struct ib_srq *mlx5_ib_create_srq(struct ib_pd *pd,
|
|
struct ib_srq_init_attr *init_attr,
|
|
struct ib_udata *udata);
|
|
int mlx5_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
|
|
enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
|
|
int mlx5_ib_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *srq_attr);
|
|
int mlx5_ib_destroy_srq(struct ib_srq *srq);
|
|
int mlx5_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
|
|
struct ib_recv_wr **bad_wr);
|
|
struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd,
|
|
struct ib_qp_init_attr *init_attr,
|
|
struct ib_udata *udata);
|
|
int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
|
|
int attr_mask, struct ib_udata *udata);
|
|
int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
|
|
struct ib_qp_init_attr *qp_init_attr);
|
|
int mlx5_ib_destroy_qp(struct ib_qp *qp);
|
|
int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
|
|
struct ib_send_wr **bad_wr);
|
|
int mlx5_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
|
|
struct ib_recv_wr **bad_wr);
|
|
void *mlx5_get_send_wqe(struct mlx5_ib_qp *qp, int n);
|
|
int mlx5_ib_read_user_wqe(struct mlx5_ib_qp *qp, int send, int wqe_index,
|
|
void *buffer, u32 length,
|
|
struct mlx5_ib_qp_base *base);
|
|
struct ib_cq *mlx5_ib_create_cq(struct ib_device *ibdev,
|
|
const struct ib_cq_init_attr *attr,
|
|
struct ib_ucontext *context,
|
|
struct ib_udata *udata);
|
|
int mlx5_ib_destroy_cq(struct ib_cq *cq);
|
|
int mlx5_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
|
|
int mlx5_ib_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags);
|
|
int mlx5_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
|
|
int mlx5_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
|
|
struct ib_mr *mlx5_ib_get_dma_mr(struct ib_pd *pd, int acc);
|
|
struct ib_mr *mlx5_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
|
|
u64 virt_addr, int access_flags,
|
|
struct ib_udata *udata);
|
|
struct ib_mw *mlx5_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type,
|
|
struct ib_udata *udata);
|
|
int mlx5_ib_dealloc_mw(struct ib_mw *mw);
|
|
int mlx5_ib_update_xlt(struct mlx5_ib_mr *mr, u64 idx, int npages,
|
|
int page_shift, int flags);
|
|
struct mlx5_ib_mr *mlx5_ib_alloc_implicit_mr(struct mlx5_ib_pd *pd,
|
|
int access_flags);
|
|
void mlx5_ib_free_implicit_mr(struct mlx5_ib_mr *mr);
|
|
int mlx5_ib_rereg_user_mr(struct ib_mr *ib_mr, int flags, u64 start,
|
|
u64 length, u64 virt_addr, int access_flags,
|
|
struct ib_pd *pd, struct ib_udata *udata);
|
|
int mlx5_ib_dereg_mr(struct ib_mr *ibmr);
|
|
struct ib_mr *mlx5_ib_alloc_mr(struct ib_pd *pd,
|
|
enum ib_mr_type mr_type,
|
|
u32 max_num_sg);
|
|
int mlx5_ib_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
|
|
unsigned int *sg_offset);
|
|
int mlx5_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
|
|
const struct ib_wc *in_wc, const struct ib_grh *in_grh,
|
|
const struct ib_mad_hdr *in, size_t in_mad_size,
|
|
struct ib_mad_hdr *out, size_t *out_mad_size,
|
|
u16 *out_mad_pkey_index);
|
|
struct ib_xrcd *mlx5_ib_alloc_xrcd(struct ib_device *ibdev,
|
|
struct ib_ucontext *context,
|
|
struct ib_udata *udata);
|
|
int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd);
|
|
int mlx5_ib_get_buf_offset(u64 addr, int page_shift, u32 *offset);
|
|
int mlx5_query_ext_port_caps(struct mlx5_ib_dev *dev, u8 port);
|
|
int mlx5_query_mad_ifc_smp_attr_node_info(struct ib_device *ibdev,
|
|
struct ib_smp *out_mad);
|
|
int mlx5_query_mad_ifc_system_image_guid(struct ib_device *ibdev,
|
|
__be64 *sys_image_guid);
|
|
int mlx5_query_mad_ifc_max_pkeys(struct ib_device *ibdev,
|
|
u16 *max_pkeys);
|
|
int mlx5_query_mad_ifc_vendor_id(struct ib_device *ibdev,
|
|
u32 *vendor_id);
|
|
int mlx5_query_mad_ifc_node_desc(struct mlx5_ib_dev *dev, char *node_desc);
|
|
int mlx5_query_mad_ifc_node_guid(struct mlx5_ib_dev *dev, __be64 *node_guid);
|
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int mlx5_query_mad_ifc_pkey(struct ib_device *ibdev, u8 port, u16 index,
|
|
u16 *pkey);
|
|
int mlx5_query_mad_ifc_gids(struct ib_device *ibdev, u8 port, int index,
|
|
union ib_gid *gid);
|
|
int mlx5_query_mad_ifc_port(struct ib_device *ibdev, u8 port,
|
|
struct ib_port_attr *props);
|
|
int mlx5_ib_query_port(struct ib_device *ibdev, u8 port,
|
|
struct ib_port_attr *props);
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int mlx5_ib_init_fmr(struct mlx5_ib_dev *dev);
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|
void mlx5_ib_cleanup_fmr(struct mlx5_ib_dev *dev);
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void mlx5_ib_cont_pages(struct ib_umem *umem, u64 addr,
|
|
unsigned long max_page_shift,
|
|
int *count, int *shift,
|
|
int *ncont, int *order);
|
|
void __mlx5_ib_populate_pas(struct mlx5_ib_dev *dev, struct ib_umem *umem,
|
|
int page_shift, size_t offset, size_t num_pages,
|
|
__be64 *pas, int access_flags);
|
|
void mlx5_ib_populate_pas(struct mlx5_ib_dev *dev, struct ib_umem *umem,
|
|
int page_shift, __be64 *pas, int access_flags);
|
|
void mlx5_ib_copy_pas(u64 *old, u64 *new, int step, int num);
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|
int mlx5_ib_get_cqe_size(struct mlx5_ib_dev *dev, struct ib_cq *ibcq);
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int mlx5_mr_cache_init(struct mlx5_ib_dev *dev);
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int mlx5_mr_cache_cleanup(struct mlx5_ib_dev *dev);
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|
|
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struct mlx5_ib_mr *mlx5_mr_cache_alloc(struct mlx5_ib_dev *dev, int entry);
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|
void mlx5_mr_cache_free(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr);
|
|
int mlx5_ib_check_mr_status(struct ib_mr *ibmr, u32 check_mask,
|
|
struct ib_mr_status *mr_status);
|
|
struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd,
|
|
struct ib_wq_init_attr *init_attr,
|
|
struct ib_udata *udata);
|
|
int mlx5_ib_destroy_wq(struct ib_wq *wq);
|
|
int mlx5_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr,
|
|
u32 wq_attr_mask, struct ib_udata *udata);
|
|
struct ib_rwq_ind_table *mlx5_ib_create_rwq_ind_table(struct ib_device *device,
|
|
struct ib_rwq_ind_table_init_attr *init_attr,
|
|
struct ib_udata *udata);
|
|
int mlx5_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *wq_ind_table);
|
|
|
|
#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
|
|
void mlx5_ib_internal_fill_odp_caps(struct mlx5_ib_dev *dev);
|
|
void mlx5_ib_pfault(struct mlx5_core_dev *mdev, void *context,
|
|
struct mlx5_pagefault *pfault);
|
|
int mlx5_ib_odp_init_one(struct mlx5_ib_dev *ibdev);
|
|
void mlx5_ib_odp_remove_one(struct mlx5_ib_dev *ibdev);
|
|
int __init mlx5_ib_odp_init(void);
|
|
void mlx5_ib_odp_cleanup(void);
|
|
void mlx5_ib_invalidate_range(struct ib_umem *umem, unsigned long start,
|
|
unsigned long end);
|
|
void mlx5_odp_init_mr_cache_entry(struct mlx5_cache_ent *ent);
|
|
void mlx5_odp_populate_klm(struct mlx5_klm *pklm, size_t offset,
|
|
size_t nentries, struct mlx5_ib_mr *mr, int flags);
|
|
#else /* CONFIG_INFINIBAND_ON_DEMAND_PAGING */
|
|
static inline void mlx5_ib_internal_fill_odp_caps(struct mlx5_ib_dev *dev)
|
|
{
|
|
return;
|
|
}
|
|
|
|
static inline int mlx5_ib_odp_init_one(struct mlx5_ib_dev *ibdev) { return 0; }
|
|
static inline void mlx5_ib_odp_remove_one(struct mlx5_ib_dev *ibdev) {}
|
|
static inline int mlx5_ib_odp_init(void) { return 0; }
|
|
static inline void mlx5_ib_odp_cleanup(void) {}
|
|
static inline void mlx5_odp_init_mr_cache_entry(struct mlx5_cache_ent *ent) {}
|
|
static inline void mlx5_odp_populate_klm(struct mlx5_klm *pklm, size_t offset,
|
|
size_t nentries, struct mlx5_ib_mr *mr,
|
|
int flags) {}
|
|
|
|
#endif /* CONFIG_INFINIBAND_ON_DEMAND_PAGING */
|
|
|
|
int mlx5_ib_get_vf_config(struct ib_device *device, int vf,
|
|
u8 port, struct ifla_vf_info *info);
|
|
int mlx5_ib_set_vf_link_state(struct ib_device *device, int vf,
|
|
u8 port, int state);
|
|
int mlx5_ib_get_vf_stats(struct ib_device *device, int vf,
|
|
u8 port, struct ifla_vf_stats *stats);
|
|
int mlx5_ib_set_vf_guid(struct ib_device *device, int vf, u8 port,
|
|
u64 guid, int type);
|
|
|
|
__be16 mlx5_get_roce_udp_sport(struct mlx5_ib_dev *dev, u8 port_num,
|
|
int index);
|
|
int mlx5_get_roce_gid_type(struct mlx5_ib_dev *dev, u8 port_num,
|
|
int index, enum ib_gid_type *gid_type);
|
|
|
|
void mlx5_ib_cleanup_cong_debugfs(struct mlx5_ib_dev *dev);
|
|
int mlx5_ib_init_cong_debugfs(struct mlx5_ib_dev *dev);
|
|
|
|
/* GSI QP helper functions */
|
|
struct ib_qp *mlx5_ib_gsi_create_qp(struct ib_pd *pd,
|
|
struct ib_qp_init_attr *init_attr);
|
|
int mlx5_ib_gsi_destroy_qp(struct ib_qp *qp);
|
|
int mlx5_ib_gsi_modify_qp(struct ib_qp *qp, struct ib_qp_attr *attr,
|
|
int attr_mask);
|
|
int mlx5_ib_gsi_query_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr,
|
|
int qp_attr_mask,
|
|
struct ib_qp_init_attr *qp_init_attr);
|
|
int mlx5_ib_gsi_post_send(struct ib_qp *qp, struct ib_send_wr *wr,
|
|
struct ib_send_wr **bad_wr);
|
|
int mlx5_ib_gsi_post_recv(struct ib_qp *qp, struct ib_recv_wr *wr,
|
|
struct ib_recv_wr **bad_wr);
|
|
void mlx5_ib_gsi_pkey_change(struct mlx5_ib_gsi_qp *gsi);
|
|
|
|
int mlx5_ib_generate_wc(struct ib_cq *ibcq, struct ib_wc *wc);
|
|
|
|
static inline void init_query_mad(struct ib_smp *mad)
|
|
{
|
|
mad->base_version = 1;
|
|
mad->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED;
|
|
mad->class_version = 1;
|
|
mad->method = IB_MGMT_METHOD_GET;
|
|
}
|
|
|
|
static inline u8 convert_access(int acc)
|
|
{
|
|
return (acc & IB_ACCESS_REMOTE_ATOMIC ? MLX5_PERM_ATOMIC : 0) |
|
|
(acc & IB_ACCESS_REMOTE_WRITE ? MLX5_PERM_REMOTE_WRITE : 0) |
|
|
(acc & IB_ACCESS_REMOTE_READ ? MLX5_PERM_REMOTE_READ : 0) |
|
|
(acc & IB_ACCESS_LOCAL_WRITE ? MLX5_PERM_LOCAL_WRITE : 0) |
|
|
MLX5_PERM_LOCAL_READ;
|
|
}
|
|
|
|
static inline int is_qp1(enum ib_qp_type qp_type)
|
|
{
|
|
return qp_type == MLX5_IB_QPT_HW_GSI;
|
|
}
|
|
|
|
#define MLX5_MAX_UMR_SHIFT 16
|
|
#define MLX5_MAX_UMR_PAGES (1 << MLX5_MAX_UMR_SHIFT)
|
|
|
|
static inline u32 check_cq_create_flags(u32 flags)
|
|
{
|
|
/*
|
|
* It returns non-zero value for unsupported CQ
|
|
* create flags, otherwise it returns zero.
|
|
*/
|
|
return (flags & ~(IB_CQ_FLAGS_IGNORE_OVERRUN |
|
|
IB_CQ_FLAGS_TIMESTAMP_COMPLETION));
|
|
}
|
|
|
|
static inline int verify_assign_uidx(u8 cqe_version, u32 cmd_uidx,
|
|
u32 *user_index)
|
|
{
|
|
if (cqe_version) {
|
|
if ((cmd_uidx == MLX5_IB_DEFAULT_UIDX) ||
|
|
(cmd_uidx & ~MLX5_USER_ASSIGNED_UIDX_MASK))
|
|
return -EINVAL;
|
|
*user_index = cmd_uidx;
|
|
} else {
|
|
*user_index = MLX5_IB_DEFAULT_UIDX;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static inline int get_qp_user_index(struct mlx5_ib_ucontext *ucontext,
|
|
struct mlx5_ib_create_qp *ucmd,
|
|
int inlen,
|
|
u32 *user_index)
|
|
{
|
|
u8 cqe_version = ucontext->cqe_version;
|
|
|
|
if (field_avail(struct mlx5_ib_create_qp, uidx, inlen) &&
|
|
!cqe_version && (ucmd->uidx == MLX5_IB_DEFAULT_UIDX))
|
|
return 0;
|
|
|
|
if (!!(field_avail(struct mlx5_ib_create_qp, uidx, inlen) !=
|
|
!!cqe_version))
|
|
return -EINVAL;
|
|
|
|
return verify_assign_uidx(cqe_version, ucmd->uidx, user_index);
|
|
}
|
|
|
|
static inline int get_srq_user_index(struct mlx5_ib_ucontext *ucontext,
|
|
struct mlx5_ib_create_srq *ucmd,
|
|
int inlen,
|
|
u32 *user_index)
|
|
{
|
|
u8 cqe_version = ucontext->cqe_version;
|
|
|
|
if (field_avail(struct mlx5_ib_create_srq, uidx, inlen) &&
|
|
!cqe_version && (ucmd->uidx == MLX5_IB_DEFAULT_UIDX))
|
|
return 0;
|
|
|
|
if (!!(field_avail(struct mlx5_ib_create_srq, uidx, inlen) !=
|
|
!!cqe_version))
|
|
return -EINVAL;
|
|
|
|
return verify_assign_uidx(cqe_version, ucmd->uidx, user_index);
|
|
}
|
|
|
|
static inline int get_uars_per_sys_page(struct mlx5_ib_dev *dev, bool lib_support)
|
|
{
|
|
return lib_support && MLX5_CAP_GEN(dev->mdev, uar_4k) ?
|
|
MLX5_UARS_IN_PAGE : 1;
|
|
}
|
|
|
|
static inline int get_num_uars(struct mlx5_ib_dev *dev,
|
|
struct mlx5_bfreg_info *bfregi)
|
|
{
|
|
return get_uars_per_sys_page(dev, bfregi->lib_uar_4k) * bfregi->num_sys_pages;
|
|
}
|
|
|
|
#endif /* MLX5_IB_H */
|