bifrost/r38p2/kernel/drivers/gpu/arm/midgard/gpu/backend/mali_kbase_gpu_fault_jm.c

// SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
/*
 *
 * (C) COPYRIGHT 2019-2021 ARM Limited. All rights reserved.
 *
 * This program is free software and is provided to you under the terms of the
 * GNU General Public License version 2 as published by the Free Software
 * Foundation, and any use by you of this program is subject to the terms
 * of such GNU license.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, you can access it online at
 * http://www.gnu.org/licenses/gpl-2.0.html.
 *
 */

#include <mali_kbase.h>

#include <gpu/mali_kbase_gpu_fault.h>

const char *kbase_gpu_exception_name(u32 const exception_code)
{
	const char *e;

	switch (exception_code) {
		/* Non-Fault Status code */
	case 0x00:
		e = "NOT_STARTED/IDLE/OK";
		break;
	case 0x01:
		e = "DONE";
		break;
	case 0x02:
		e = "INTERRUPTED";
		break;
	case 0x03:
		e = "STOPPED";
		break;
	case 0x04:
		e = "TERMINATED";
		break;
	case 0x08:
		e = "ACTIVE";
		break;
		/* Job exceptions */
	case 0x40:
		e = "JOB_CONFIG_FAULT";
		break;
	case 0x41:
		e = "JOB_POWER_FAULT";
		break;
	case 0x42:
		e = "JOB_READ_FAULT";
		break;
	case 0x43:
		e = "JOB_WRITE_FAULT";
		break;
	case 0x44:
		e = "JOB_AFFINITY_FAULT";
		break;
	case 0x48:
		e = "JOB_BUS_FAULT";
		break;
	case 0x50:
		e = "INSTR_INVALID_PC";
		break;
	case 0x51:
		e = "INSTR_INVALID_ENC";
		break;
	case 0x52:
		e = "INSTR_TYPE_MISMATCH";
		break;
	case 0x53:
		e = "INSTR_OPERAND_FAULT";
		break;
	case 0x54:
		e = "INSTR_TLS_FAULT";
		break;
	case 0x55:
		e = "INSTR_BARRIER_FAULT";
		break;
	case 0x56:
		e = "INSTR_ALIGN_FAULT";
		break;
	case 0x58:
		e = "DATA_INVALID_FAULT";
		break;
	case 0x59:
		e = "TILE_RANGE_FAULT";
		break;
	case 0x5A:
		e = "ADDR_RANGE_FAULT";
		break;
	case 0x60:
		e = "OUT_OF_MEMORY";
		break;
		/* GPU exceptions */
	case 0x80:
		e = "DELAYED_BUS_FAULT";
		break;
	case 0x88:
		e = "SHAREABILITY_FAULT";
		break;
		/* MMU exceptions */
	case 0xC0:
	case 0xC1:
	case 0xC2:
	case 0xC3:
	case 0xC4:
	case 0xC5:
	case 0xC6:
	case 0xC7:
		e = "TRANSLATION_FAULT";
		break;
	case 0xC8:
	case 0xC9:
	case 0xCA:
	case 0xCB:
	case 0xCC:
	case 0xCD:
	case 0xCE:
	case 0xCF:
		e = "PERMISSION_FAULT";
		break;
	case 0xD0:
	case 0xD1:
	case 0xD2:
	case 0xD3:
	case 0xD4:
	case 0xD5:
	case 0xD6:
	case 0xD7:
		e = "TRANSTAB_BUS_FAULT";
		break;
	case 0xD8:
	case 0xD9:
	case 0xDA:
	case 0xDB:
	case 0xDC:
	case 0xDD:
	case 0xDE:
	case 0xDF:
		e = "ACCESS_FLAG";
		break;
	case 0xE0:
	case 0xE1:
	case 0xE2:
	case 0xE3:
	case 0xE4:
	case 0xE5:
	case 0xE6:
	case 0xE7:
		e = "ADDRESS_SIZE_FAULT";
		break;
	case 0xE8:
	case 0xE9:
	case 0xEA:
	case 0xEB:
	case 0xEC:
	case 0xED:
	case 0xEE:
	case 0xEF:
		e = "MEMORY_ATTRIBUTES_FAULT";
		break;
	default:
		e = "UNKNOWN";
		break;
	};

	return e;
}