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/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2023 Intel Corporation
*/
#ifndef _XE_DEVCOREDUMP_TYPES_H_
#define _XE_DEVCOREDUMP_TYPES_H_
#include <linux/ktime.h>
#include <linux/mutex.h>
#include "xe_hw_engine_types.h"
struct xe_device;
struct xe_gt;
/**
* struct xe_devcoredump_snapshot - Crash snapshot
*
* This struct contains all the useful information quickly captured at the time
* of the crash. So, any subsequent reads of the coredump points to a data that
* shows the state of the GPU of when the issue has happened.
*/
struct xe_devcoredump_snapshot {
/** @snapshot_time: Time of this capture. */
ktime_t snapshot_time;
/** @boot_time: Relative boot time so the uptime can be calculated. */
ktime_t boot_time;
/** @gt: Affected GT, used by forcewake for delayed capture */
struct xe_gt *gt;
/** @work: Workqueue for deferred capture outside of signaling context */
struct work_struct work;
/* GuC snapshots */
/** @ct: GuC CT snapshot */
struct xe_guc_ct_snapshot *ct;
/** @ge: Guc Engine snapshot */
struct xe_guc_submit_exec_queue_snapshot *ge;
/** @hwe: HW Engine snapshot array */
struct xe_hw_engine_snapshot *hwe[XE_NUM_HW_ENGINES];
/** @job: Snapshot of job state */
struct xe_sched_job_snapshot *job;
/** @vm: Snapshot of VM state */
struct xe_vm_snapshot *vm;
};
/**
* struct xe_devcoredump - Xe devcoredump main structure
*
* This struct represents the live and active dev_coredump node.
* It is created/populated at the time of a crash/error. Then it
* is read later when user access the device coredump data file
* for reading the information.
*/
struct xe_devcoredump {
/** @captured: The snapshot of the first hang has already been taken. */
bool captured;
/** @snapshot: Snapshot is captured at time of the first crash */
struct xe_devcoredump_snapshot snapshot;
};
#endif
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