| 1 | /* SPDX-License-Identifier: GPL-2.0-only OR MIT */ |
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| 2 | /* Copyright (c) 2023 Imagination Technologies Ltd. */ |
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| 3 | |
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| 4 | #ifndef PVR_FW_TRACE_H |
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| 5 | #define PVR_FW_TRACE_H |
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| 6 | |
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| 7 | #include <drm/drm_file.h> |
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| 8 | #include <linux/types.h> |
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| 9 | |
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| 10 | #include "pvr_rogue_fwif.h" |
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| 11 | |
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| 12 | /* Forward declaration from pvr_device.h. */ |
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| 13 | struct pvr_device; |
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| 14 | |
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| 15 | /* Forward declaration from pvr_gem.h. */ |
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| 16 | struct pvr_fw_object; |
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| 17 | |
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| 18 | /* Forward declarations from pvr_rogue_fwif.h */ |
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| 19 | struct rogue_fwif_tracebuf; |
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| 20 | struct rogue_fwif_tracebuf_space; |
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| 21 | |
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| 22 | /** |
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| 23 | * struct pvr_fw_trace_buffer - Structure representing a trace buffer |
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| 24 | */ |
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| 25 | struct pvr_fw_trace_buffer { |
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| 26 | /** @buf_obj: FW buffer object representing trace buffer. */ |
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| 27 | struct pvr_fw_object *buf_obj; |
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| 28 | |
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| 29 | /** @buf: Pointer to CPU mapping of trace buffer. */ |
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| 30 | u32 *buf; |
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| 31 | |
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| 32 | /** |
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| 33 | * @tracebuf_space: Pointer to FW tracebuf_space structure for this |
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| 34 | * trace buffer. |
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| 35 | */ |
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| 36 | struct rogue_fwif_tracebuf_space *tracebuf_space; |
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| 37 | }; |
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| 38 | |
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| 39 | /** |
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| 40 | * struct pvr_fw_trace - Device firmware trace data |
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| 41 | */ |
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| 42 | struct pvr_fw_trace { |
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| 43 | /** |
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| 44 | * @tracebuf_ctrl_obj: Object representing FW trace buffer control |
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| 45 | * structure. |
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| 46 | */ |
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| 47 | struct pvr_fw_object *tracebuf_ctrl_obj; |
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| 48 | |
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| 49 | /** |
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| 50 | * @tracebuf_ctrl: Pointer to CPU mapping of FW trace buffer control |
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| 51 | * structure. |
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| 52 | */ |
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| 53 | struct rogue_fwif_tracebuf *tracebuf_ctrl; |
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| 54 | |
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| 55 | /** |
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| 56 | * @buffers: Array representing the actual trace buffers owned by this |
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| 57 | * device. |
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| 58 | */ |
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| 59 | struct pvr_fw_trace_buffer buffers[ROGUE_FW_THREAD_MAX]; |
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| 60 | |
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| 61 | /** @group_mask: Mask of enabled trace groups. */ |
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| 62 | u32 group_mask; |
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| 63 | }; |
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| 64 | |
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| 65 | int pvr_fw_trace_init(struct pvr_device *pvr_dev); |
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| 66 | void pvr_fw_trace_fini(struct pvr_device *pvr_dev); |
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| 67 | |
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| 68 | /* Forward declaration from <linux/dcache.h>. */ |
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| 69 | struct dentry; |
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| 70 | |
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| 71 | void pvr_fw_trace_mask_update(struct pvr_device *pvr_dev, u32 old_mask, |
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| 72 | u32 new_mask); |
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| 73 | |
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| 74 | void pvr_fw_trace_debugfs_init(struct pvr_device *pvr_dev, struct dentry *dir); |
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| 75 | |
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| 76 | #endif /* PVR_FW_TRACE_H */ |
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| 77 | |
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