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33eb12f296
The bounded counter can't be reconfigured to be in auto mode, in attempt to do it, the user will get an error, but without any hint why. Update nldev interface to return an error message through extack mechanism. Link: https://lore.kernel.org/r/20201230130240.180737-1-leon@kernel.org Signed-off-by: Patrisious Haddad <phaddad@nvidia.com> Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
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/*
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* Copyright (c) 2019 Mellanox Technologies. All rights reserved.
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*/
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#ifndef _RDMA_COUNTER_H_
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#define _RDMA_COUNTER_H_
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#include <linux/mutex.h>
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#include <linux/pid_namespace.h>
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#include <rdma/restrack.h>
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#include <rdma/rdma_netlink.h>
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struct ib_device;
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struct ib_qp;
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struct auto_mode_param {
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int qp_type;
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};
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struct rdma_counter_mode {
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enum rdma_nl_counter_mode mode;
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enum rdma_nl_counter_mask mask;
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struct auto_mode_param param;
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};
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struct rdma_port_counter {
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struct rdma_counter_mode mode;
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struct rdma_hw_stats *hstats;
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unsigned int num_counters;
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struct mutex lock;
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};
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struct rdma_counter {
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struct rdma_restrack_entry res;
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struct ib_device *device;
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uint32_t id;
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struct kref kref;
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struct rdma_counter_mode mode;
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struct mutex lock;
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struct rdma_hw_stats *stats;
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u8 port;
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};
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void rdma_counter_init(struct ib_device *dev);
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void rdma_counter_release(struct ib_device *dev);
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int rdma_counter_set_auto_mode(struct ib_device *dev, u8 port,
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enum rdma_nl_counter_mask mask,
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struct netlink_ext_ack *extack);
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int rdma_counter_bind_qp_auto(struct ib_qp *qp, u8 port);
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int rdma_counter_unbind_qp(struct ib_qp *qp, bool force);
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int rdma_counter_query_stats(struct rdma_counter *counter);
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u64 rdma_counter_get_hwstat_value(struct ib_device *dev, u8 port, u32 index);
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int rdma_counter_bind_qpn(struct ib_device *dev, u8 port,
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u32 qp_num, u32 counter_id);
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int rdma_counter_bind_qpn_alloc(struct ib_device *dev, u8 port,
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u32 qp_num, u32 *counter_id);
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int rdma_counter_unbind_qpn(struct ib_device *dev, u8 port,
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u32 qp_num, u32 counter_id);
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int rdma_counter_get_mode(struct ib_device *dev, u8 port,
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enum rdma_nl_counter_mode *mode,
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enum rdma_nl_counter_mask *mask);
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#endif /* _RDMA_COUNTER_H_ */
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