97 lines
2.3 KiB
C
97 lines
2.3 KiB
C
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/*
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* drivers/misc/tegra-profiler/comm.h
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*
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* Copyright (c) 2013-2018, NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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*/
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#ifndef __QUADD_COMM_H__
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#define __QUADD_COMM_H__
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#include <linux/types.h>
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#include "eh_unwind.h"
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struct quadd_ctx;
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struct quadd_record_data;
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struct quadd_comm_cap;
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struct quadd_module_state;
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struct quadd_parameters;
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struct quadd_sections;
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struct quadd_ring_buffer;
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struct quadd_pmu_setup_for_cpu;
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struct quadd_comm_cap_for_cpu;
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struct quadd_iovec {
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void *base;
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size_t len;
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};
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enum {
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QUADD_MMAP_TYPE_NONE = 1,
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QUADD_MMAP_TYPE_EXTABS,
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QUADD_MMAP_TYPE_RB,
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};
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enum {
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QUADD_MMAP_STATE_ACTIVE = 0,
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QUADD_MMAP_STATE_CLOSING,
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QUADD_MMAP_STATE_CLOSED,
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};
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struct quadd_mmap_area {
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int type;
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struct vm_area_struct *mmap_vma;
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void *data;
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struct list_head list;
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struct list_head ex_entries;
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struct quadd_ring_buffer *rb;
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atomic_t state;
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atomic_t ref_count;
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raw_spinlock_t state_lock;
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struct file_ex_region_info fi;
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};
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struct quadd_comm_control_interface {
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int (*start)(void);
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void (*stop)(void);
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int (*set_parameters)(struct quadd_parameters *param);
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int (*set_parameters_for_cpu)(struct quadd_pmu_setup_for_cpu *param);
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void (*get_capabilities)(struct quadd_comm_cap *cap);
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void (*get_capabilities_for_cpu)(int cpuid,
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struct quadd_comm_cap_for_cpu *cap);
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void (*get_state)(struct quadd_module_state *state);
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int (*set_extab)(struct quadd_sections *extabs,
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struct quadd_mmap_area *mmap);
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void (*delete_mmap)(struct quadd_mmap_area *mmap);
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int (*is_cpu_present)(int cpuid);
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};
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struct quadd_comm_data_interface {
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ssize_t (*put_sample)(struct quadd_record_data *data,
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struct quadd_iovec *vec,
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int vec_count, int cpu_id);
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void (*reset)(void);
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int (*is_active)(void);
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};
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struct quadd_comm_data_interface *
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quadd_comm_init(struct quadd_ctx *ctx,
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struct quadd_comm_control_interface *control);
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void quadd_comm_exit(void);
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#endif /* __QUADD_COMM_H__ */
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