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/* SPDX-License-Identifier: GPL-2.0-only OR MIT */
/* Copyright (c) 2023 Imagination Technologies Ltd. */
#ifndef PVR_FW_TRACE_H
#define PVR_FW_TRACE_H
#include <drm/drm_file.h>
#include <linux/types.h>
#include "pvr_rogue_fwif.h"
/* Forward declaration from pvr_device.h. */
struct pvr_device;
/* Forward declaration from pvr_gem.h. */
struct pvr_fw_object;
/* Forward declarations from pvr_rogue_fwif.h */
struct rogue_fwif_tracebuf;
struct rogue_fwif_tracebuf_space;
/**
* struct pvr_fw_trace_buffer - Structure representing a trace buffer
*/
struct pvr_fw_trace_buffer {
/** @buf_obj: FW buffer object representing trace buffer. */
struct pvr_fw_object *buf_obj;
/** @buf: Pointer to CPU mapping of trace buffer. */
u32 *buf;
/**
* @tracebuf_space: Pointer to FW tracebuf_space structure for this
* trace buffer.
*/
struct rogue_fwif_tracebuf_space *tracebuf_space;
};
/**
* struct pvr_fw_trace - Device firmware trace data
*/
struct pvr_fw_trace {
/**
* @tracebuf_ctrl_obj: Object representing FW trace buffer control
* structure.
*/
struct pvr_fw_object *tracebuf_ctrl_obj;
/**
* @tracebuf_ctrl: Pointer to CPU mapping of FW trace buffer control
* structure.
*/
struct rogue_fwif_tracebuf *tracebuf_ctrl;
/**
* @buffers: Array representing the actual trace buffers owned by this
* device.
*/
struct pvr_fw_trace_buffer buffers[ROGUE_FW_THREAD_MAX];
/** @group_mask: Mask of enabled trace groups. */
u32 group_mask;
};
int pvr_fw_trace_init(struct pvr_device *pvr_dev);
void pvr_fw_trace_fini(struct pvr_device *pvr_dev);
#if defined(CONFIG_DEBUG_FS)
/* Forward declaration from <linux/dcache.h>. */
struct dentry;
void pvr_fw_trace_mask_update(struct pvr_device *pvr_dev, u32 old_mask,
u32 new_mask);
void pvr_fw_trace_debugfs_init(struct pvr_device *pvr_dev, struct dentry *dir);
#endif /* defined(CONFIG_DEBUG_FS) */
#endif /* PVR_FW_TRACE_H */
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