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      1 /*
      2  * Copyright 2015 Advanced Micro Devices, Inc.
      3  *
      4  * Permission is hereby granted, free of charge, to any person obtaining a
      5  * copy of this software and associated documentation files (the "Software"),
      6  * to deal in the Software without restriction, including without limitation
      7  * on the rights to use, copy, modify, merge, publish, distribute, sub
      8  * license, and/or sell copies of the Software, and to permit persons to whom
      9  * the Software is furnished to do so, subject to the following conditions:
     10  *
     11  * The above copyright notice and this permission notice (including the next
     12  * paragraph) shall be included in all copies or substantial portions of the
     13  * Software.
     14  *
     15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
     18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
     19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
     20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
     21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
     22  */
     23 
     24 #ifndef AC_DEBUG_H
     25 #define AC_DEBUG_H
     26 
     27 #include <stdint.h>
     28 #include <stdio.h>
     29 #include <stdbool.h>
     30 
     31 #include "amd_family.h"
     32 
     33 #define AC_ENCODE_TRACE_POINT(id)       (0xcafe0000 | ((id) & 0xffff))
     34 #define AC_IS_TRACE_POINT(x)            (((x) & 0xcafe0000) == 0xcafe0000)
     35 #define AC_GET_TRACE_POINT_ID(x)        ((x) & 0xffff)
     36 
     37 #define AC_MAX_WAVES_PER_CHIP (64 * 40)
     38 
     39 struct ac_wave_info {
     40 	unsigned se; /* shader engine */
     41 	unsigned sh; /* shader array */
     42 	unsigned cu; /* compute unit */
     43 	unsigned simd;
     44 	unsigned wave;
     45 	uint32_t status;
     46 	uint64_t pc; /* program counter */
     47 	uint32_t inst_dw0;
     48 	uint32_t inst_dw1;
     49 	uint64_t exec;
     50 	bool matched; /* whether the wave is used by a currently-bound shader */
     51 };
     52 
     53 typedef void *(*ac_debug_addr_callback)(void *data, uint64_t addr);
     54 
     55 void ac_dump_reg(FILE *file, enum chip_class chip_class, unsigned offset,
     56 		 uint32_t value, uint32_t field_mask);
     57 void ac_parse_ib_chunk(FILE *f, uint32_t *ib, int num_dw, const int *trace_ids,
     58 		       unsigned trace_id_count, enum chip_class chip_class,
     59 		       ac_debug_addr_callback addr_callback, void *addr_callback_data);
     60 void ac_parse_ib(FILE *f, uint32_t *ib, int num_dw, const int *trace_ids,
     61 		 unsigned trace_id_count, const char *name, enum chip_class chip_class,
     62 		 ac_debug_addr_callback addr_callback, void *addr_callback_data);
     63 
     64 bool ac_vm_fault_occured(enum chip_class chip_class,
     65 			 uint64_t *old_dmesg_timestamp, uint64_t *out_addr);
     66 
     67 unsigned ac_get_wave_info(struct ac_wave_info waves[AC_MAX_WAVES_PER_CHIP]);
     68 
     69 #endif
     70