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path: root/drivers/gpu/drm/amd/amdkfd/kfd_debug.h
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/*
 * Copyright 2023 Advanced Micro Devices, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

#ifndef KFD_DEBUG_EVENTS_H_INCLUDED
#define KFD_DEBUG_EVENTS_H_INCLUDED

#include "kfd_priv.h"

int kfd_dbg_trap_disable(struct kfd_process *target);
int kfd_dbg_trap_enable(struct kfd_process *target, uint32_t fd,
			void __user *runtime_info,
			uint32_t *runtime_info_size);
static inline bool kfd_dbg_is_per_vmid_supported(struct kfd_node *dev)
{
	return KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 2) ||
	       KFD_GC_VERSION(dev) >= IP_VERSION(11, 0, 0);
}

/*
 * If GFX off is enabled, chips that do not support RLC restore for the debug
 * registers will disable GFX off temporarily for the entire debug session.
 * See disable_on_trap_action_entry and enable_on_trap_action_exit for details.
 */
static inline bool kfd_dbg_is_rlc_restore_supported(struct kfd_node *dev)
{
	return !(KFD_GC_VERSION(dev) == IP_VERSION(10, 1, 10) ||
		 KFD_GC_VERSION(dev) == IP_VERSION(10, 1, 1));
}

static inline bool kfd_dbg_has_gws_support(struct kfd_node *dev)
{
	if ((KFD_GC_VERSION(dev) == IP_VERSION(9, 0, 1)
			&& dev->kfd->mec2_fw_version < 0x81b6) ||
		(KFD_GC_VERSION(dev) >= IP_VERSION(9, 1, 0)
			&& KFD_GC_VERSION(dev) <= IP_VERSION(9, 2, 2)
			&& dev->kfd->mec2_fw_version < 0x1b6) ||
		(KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 0)
			&& dev->kfd->mec2_fw_version < 0x1b6) ||
		(KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 1)
			&& dev->kfd->mec2_fw_version < 0x30) ||
		(KFD_GC_VERSION(dev) >= IP_VERSION(11, 0, 0) &&
			KFD_GC_VERSION(dev) < IP_VERSION(12, 0, 0)))
		return false;

	/* Assume debugging and cooperative launch supported otherwise. */
	return true;
}
#endif