2018-02-16 19:24:37 -07:00
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/*
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* Copyright 2017 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#ifdef HAVE_ALLOCA_H
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# include <alloca.h>
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#endif
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#include "CUnit/Basic.h"
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#include "amdgpu_test.h"
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#include "amdgpu_drm.h"
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#include "amdgpu_internal.h"
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#include <pthread.h>
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/*
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* This defines the delay in MS after which memory location designated for
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* compression against reference value is written to, unblocking command
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* processor
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*/
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#define WRITE_MEM_ADDRESS_DELAY_MS 100
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#define PACKET_TYPE3 3
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#define PACKET3(op, n) ((PACKET_TYPE3 << 30) | \
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(((op) & 0xFF) << 8) | \
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((n) & 0x3FFF) << 16)
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#define PACKET3_WAIT_REG_MEM 0x3C
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#define WAIT_REG_MEM_FUNCTION(x) ((x) << 0)
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/* 0 - always
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* 1 - <
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* 2 - <=
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* 3 - ==
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* 4 - !=
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* 5 - >=
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* 6 - >
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*/
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#define WAIT_REG_MEM_MEM_SPACE(x) ((x) << 4)
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/* 0 - reg
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* 1 - mem
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*/
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#define WAIT_REG_MEM_OPERATION(x) ((x) << 6)
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/* 0 - wait_reg_mem
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* 1 - wr_wait_wr_reg
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*/
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#define WAIT_REG_MEM_ENGINE(x) ((x) << 8)
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/* 0 - me
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* 1 - pfp
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*/
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2019-04-26 01:31:34 -06:00
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#define PACKET3_WRITE_DATA 0x37
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#define WRITE_DATA_DST_SEL(x) ((x) << 8)
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/* 0 - register
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* 1 - memory (sync - via GRBM)
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* 2 - gl2
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* 3 - gds
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* 4 - reserved
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* 5 - memory (async - direct)
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*/
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#define WR_ONE_ADDR (1 << 16)
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#define WR_CONFIRM (1 << 20)
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#define WRITE_DATA_CACHE_POLICY(x) ((x) << 25)
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/* 0 - LRU
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* 1 - Stream
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*/
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#define WRITE_DATA_ENGINE_SEL(x) ((x) << 30)
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/* 0 - me
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* 1 - pfp
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* 2 - ce
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*/
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#define mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR 0x54f
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#define SDMA_PKT_HEADER_OP(x) (x & 0xff)
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#define SDMA_OP_POLL_REGMEM 8
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2018-02-16 19:24:37 -07:00
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static amdgpu_device_handle device_handle;
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static uint32_t major_version;
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static uint32_t minor_version;
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static pthread_t stress_thread;
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static uint32_t *ptr;
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2018-11-01 02:22:36 -06:00
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int use_uc_mtype = 0;
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2018-02-16 19:24:37 -07:00
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static void amdgpu_deadlock_helper(unsigned ip_type);
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static void amdgpu_deadlock_gfx(void);
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static void amdgpu_deadlock_compute(void);
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2019-04-26 01:31:34 -06:00
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static void amdgpu_illegal_reg_access();
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static void amdgpu_illegal_mem_access();
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static void amdgpu_deadlock_sdma(void);
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2018-02-16 19:24:37 -07:00
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CU_BOOL suite_deadlock_tests_enable(void)
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{
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2018-09-13 05:55:15 -06:00
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CU_BOOL enable = CU_TRUE;
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2018-02-16 19:24:37 -07:00
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if (amdgpu_device_initialize(drm_amdgpu[0], &major_version,
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&minor_version, &device_handle))
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return CU_FALSE;
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2019-04-26 01:31:34 -06:00
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/*
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* Only enable for ASICs supporting GPU reset and for which it's enabled
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* by default (currently GFX8/9 dGPUS)
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*/
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if (device_handle->info.family_id != AMDGPU_FAMILY_VI &&
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device_handle->info.family_id != AMDGPU_FAMILY_AI &&
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device_handle->info.family_id != AMDGPU_FAMILY_CI) {
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printf("\n\nGPU reset is not enabled for the ASIC, deadlock suite disabled\n");
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2018-09-13 05:55:15 -06:00
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enable = CU_FALSE;
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2018-02-16 19:24:37 -07:00
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}
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2018-11-01 02:22:36 -06:00
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if (device_handle->info.family_id >= AMDGPU_FAMILY_AI)
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use_uc_mtype = 1;
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2018-09-13 05:55:15 -06:00
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if (amdgpu_device_deinitialize(device_handle))
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return CU_FALSE;
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return enable;
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2018-02-16 19:24:37 -07:00
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}
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int suite_deadlock_tests_init(void)
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{
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int r;
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r = amdgpu_device_initialize(drm_amdgpu[0], &major_version,
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&minor_version, &device_handle);
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if (r) {
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if ((r == -EACCES) && (errno == EACCES))
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printf("\n\nError:%s. "
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"Hint:Try to run this test program as root.",
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strerror(errno));
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return CUE_SINIT_FAILED;
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}
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return CUE_SUCCESS;
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}
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int suite_deadlock_tests_clean(void)
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{
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int r = amdgpu_device_deinitialize(device_handle);
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if (r == 0)
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return CUE_SUCCESS;
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else
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return CUE_SCLEAN_FAILED;
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}
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CU_TestInfo deadlock_tests[] = {
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2019-04-26 01:31:34 -06:00
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{ "gfx ring block test (set amdgpu.lockup_timeout=50)", amdgpu_deadlock_gfx },
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{ "compute ring block test (set amdgpu.lockup_timeout=50)", amdgpu_deadlock_compute },
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{ "sdma ring block test (set amdgpu.lockup_timeout=50)", amdgpu_deadlock_sdma },
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{ "illegal reg access test", amdgpu_illegal_reg_access },
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{ "illegal mem access test (set amdgpu.vm_fault_stop=2)", amdgpu_illegal_mem_access },
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2018-02-16 19:24:37 -07:00
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CU_TEST_INFO_NULL,
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};
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static void *write_mem_address(void *data)
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{
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int i;
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/* useconds_t range is [0, 1,000,000] so use loop for waits > 1s */
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for (i = 0; i < WRITE_MEM_ADDRESS_DELAY_MS; i++)
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usleep(1000);
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ptr[256] = 0x1;
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return 0;
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}
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static void amdgpu_deadlock_gfx(void)
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{
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amdgpu_deadlock_helper(AMDGPU_HW_IP_GFX);
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}
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static void amdgpu_deadlock_compute(void)
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{
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amdgpu_deadlock_helper(AMDGPU_HW_IP_COMPUTE);
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}
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static void amdgpu_deadlock_helper(unsigned ip_type)
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{
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amdgpu_context_handle context_handle;
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amdgpu_bo_handle ib_result_handle;
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void *ib_result_cpu;
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uint64_t ib_result_mc_address;
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struct amdgpu_cs_request ibs_request;
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struct amdgpu_cs_ib_info ib_info;
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struct amdgpu_cs_fence fence_status;
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uint32_t expired;
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2018-09-13 05:55:15 -06:00
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int i, r;
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2018-02-16 19:24:37 -07:00
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amdgpu_bo_list_handle bo_list;
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amdgpu_va_handle va_handle;
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r = pthread_create(&stress_thread, NULL, write_mem_address, NULL);
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CU_ASSERT_EQUAL(r, 0);
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r = amdgpu_cs_ctx_create(device_handle, &context_handle);
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CU_ASSERT_EQUAL(r, 0);
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2018-11-01 02:22:36 -06:00
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r = amdgpu_bo_alloc_and_map_raw(device_handle, 4096, 4096,
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AMDGPU_GEM_DOMAIN_GTT, 0, use_uc_mtype ? AMDGPU_VM_MTYPE_UC : 0,
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2018-02-16 19:24:37 -07:00
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&ib_result_handle, &ib_result_cpu,
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&ib_result_mc_address, &va_handle);
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CU_ASSERT_EQUAL(r, 0);
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r = amdgpu_get_bo_list(device_handle, ib_result_handle, NULL,
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&bo_list);
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CU_ASSERT_EQUAL(r, 0);
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ptr = ib_result_cpu;
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ptr[0] = PACKET3(PACKET3_WAIT_REG_MEM, 5);
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ptr[1] = (WAIT_REG_MEM_MEM_SPACE(1) | /* memory */
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WAIT_REG_MEM_FUNCTION(4) | /* != */
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WAIT_REG_MEM_ENGINE(0)); /* me */
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ptr[2] = (ib_result_mc_address + 256*4) & 0xfffffffc;
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ptr[3] = ((ib_result_mc_address + 256*4) >> 32) & 0xffffffff;
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ptr[4] = 0x00000000; /* reference value */
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ptr[5] = 0xffffffff; /* and mask */
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ptr[6] = 0x00000004; /* poll interval */
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for (i = 7; i < 16; ++i)
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ptr[i] = 0xffff1000;
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ptr[256] = 0x0; /* the memory we wait on to change */
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memset(&ib_info, 0, sizeof(struct amdgpu_cs_ib_info));
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ib_info.ib_mc_address = ib_result_mc_address;
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ib_info.size = 16;
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memset(&ibs_request, 0, sizeof(struct amdgpu_cs_request));
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ibs_request.ip_type = ip_type;
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ibs_request.ring = 0;
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ibs_request.number_of_ibs = 1;
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ibs_request.ibs = &ib_info;
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ibs_request.resources = bo_list;
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ibs_request.fence_info.handle = NULL;
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for (i = 0; i < 200; i++) {
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r = amdgpu_cs_submit(context_handle, 0,&ibs_request, 1);
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2018-09-13 05:55:15 -06:00
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CU_ASSERT_EQUAL((r == 0 || r == -ECANCELED), 1);
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2018-02-16 19:24:37 -07:00
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}
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memset(&fence_status, 0, sizeof(struct amdgpu_cs_fence));
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fence_status.context = context_handle;
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fence_status.ip_type = ip_type;
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fence_status.ip_instance = 0;
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fence_status.ring = 0;
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fence_status.fence = ibs_request.seq_no;
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r = amdgpu_cs_query_fence_status(&fence_status,
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AMDGPU_TIMEOUT_INFINITE,0, &expired);
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2018-09-13 05:55:15 -06:00
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CU_ASSERT_EQUAL((r == 0 || r == -ECANCELED), 1);
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pthread_join(stress_thread, NULL);
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2018-02-16 19:24:37 -07:00
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r = amdgpu_bo_list_destroy(bo_list);
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CU_ASSERT_EQUAL(r, 0);
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r = amdgpu_bo_unmap_and_free(ib_result_handle, va_handle,
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ib_result_mc_address, 4096);
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CU_ASSERT_EQUAL(r, 0);
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r = amdgpu_cs_ctx_free(context_handle);
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CU_ASSERT_EQUAL(r, 0);
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}
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2019-04-26 01:31:34 -06:00
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static void amdgpu_deadlock_sdma(void)
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{
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amdgpu_context_handle context_handle;
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amdgpu_bo_handle ib_result_handle;
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void *ib_result_cpu;
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uint64_t ib_result_mc_address;
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struct amdgpu_cs_request ibs_request;
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struct amdgpu_cs_ib_info ib_info;
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struct amdgpu_cs_fence fence_status;
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uint32_t expired;
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int i, r;
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amdgpu_bo_list_handle bo_list;
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amdgpu_va_handle va_handle;
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struct drm_amdgpu_info_hw_ip info;
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uint32_t ring_id;
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r = amdgpu_query_hw_ip_info(device_handle, AMDGPU_HW_IP_DMA, 0, &info);
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CU_ASSERT_EQUAL(r, 0);
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r = amdgpu_cs_ctx_create(device_handle, &context_handle);
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CU_ASSERT_EQUAL(r, 0);
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for (ring_id = 0; (1 << ring_id) & info.available_rings; ring_id++) {
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r = pthread_create(&stress_thread, NULL, write_mem_address, NULL);
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CU_ASSERT_EQUAL(r, 0);
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r = amdgpu_bo_alloc_and_map_raw(device_handle, 4096, 4096,
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AMDGPU_GEM_DOMAIN_GTT, 0, use_uc_mtype ? AMDGPU_VM_MTYPE_UC : 0,
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&ib_result_handle, &ib_result_cpu,
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&ib_result_mc_address, &va_handle);
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CU_ASSERT_EQUAL(r, 0);
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r = amdgpu_get_bo_list(device_handle, ib_result_handle, NULL,
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&bo_list);
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CU_ASSERT_EQUAL(r, 0);
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ptr = ib_result_cpu;
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i = 0;
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ptr[i++] = SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) |
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(0 << 26) | /* WAIT_REG_MEM */
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(4 << 28) | /* != */
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(1 << 31); /* memory */
|
|
|
|
ptr[i++] = (ib_result_mc_address + 256*4) & 0xfffffffc;
|
|
|
|
ptr[i++] = ((ib_result_mc_address + 256*4) >> 32) & 0xffffffff;
|
|
|
|
ptr[i++] = 0x00000000; /* reference value */
|
|
|
|
ptr[i++] = 0xffffffff; /* and mask */
|
|
|
|
ptr[i++] = 4 | /* poll interval */
|
|
|
|
(0xfff << 16); /* retry count */
|
|
|
|
|
|
|
|
for (; i < 16; i++)
|
|
|
|
ptr[i] = 0;
|
|
|
|
|
|
|
|
ptr[256] = 0x0; /* the memory we wait on to change */
|
|
|
|
|
|
|
|
memset(&ib_info, 0, sizeof(struct amdgpu_cs_ib_info));
|
|
|
|
ib_info.ib_mc_address = ib_result_mc_address;
|
|
|
|
ib_info.size = 16;
|
|
|
|
|
|
|
|
memset(&ibs_request, 0, sizeof(struct amdgpu_cs_request));
|
|
|
|
ibs_request.ip_type = AMDGPU_HW_IP_DMA;
|
|
|
|
ibs_request.ring = ring_id;
|
|
|
|
ibs_request.number_of_ibs = 1;
|
|
|
|
ibs_request.ibs = &ib_info;
|
|
|
|
ibs_request.resources = bo_list;
|
|
|
|
ibs_request.fence_info.handle = NULL;
|
|
|
|
|
|
|
|
for (i = 0; i < 200; i++) {
|
|
|
|
r = amdgpu_cs_submit(context_handle, 0,&ibs_request, 1);
|
|
|
|
CU_ASSERT_EQUAL((r == 0 || r == -ECANCELED), 1);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
memset(&fence_status, 0, sizeof(struct amdgpu_cs_fence));
|
|
|
|
fence_status.context = context_handle;
|
|
|
|
fence_status.ip_type = AMDGPU_HW_IP_DMA;
|
|
|
|
fence_status.ip_instance = 0;
|
|
|
|
fence_status.ring = ring_id;
|
|
|
|
fence_status.fence = ibs_request.seq_no;
|
|
|
|
|
|
|
|
r = amdgpu_cs_query_fence_status(&fence_status,
|
|
|
|
AMDGPU_TIMEOUT_INFINITE,0, &expired);
|
|
|
|
CU_ASSERT_EQUAL((r == 0 || r == -ECANCELED), 1);
|
|
|
|
|
|
|
|
pthread_join(stress_thread, NULL);
|
|
|
|
|
|
|
|
r = amdgpu_bo_list_destroy(bo_list);
|
|
|
|
CU_ASSERT_EQUAL(r, 0);
|
|
|
|
|
|
|
|
r = amdgpu_bo_unmap_and_free(ib_result_handle, va_handle,
|
|
|
|
ib_result_mc_address, 4096);
|
|
|
|
CU_ASSERT_EQUAL(r, 0);
|
|
|
|
}
|
|
|
|
r = amdgpu_cs_ctx_free(context_handle);
|
|
|
|
CU_ASSERT_EQUAL(r, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void bad_access_helper(int reg_access)
|
|
|
|
{
|
|
|
|
amdgpu_context_handle context_handle;
|
|
|
|
amdgpu_bo_handle ib_result_handle;
|
|
|
|
void *ib_result_cpu;
|
|
|
|
uint64_t ib_result_mc_address;
|
|
|
|
struct amdgpu_cs_request ibs_request;
|
|
|
|
struct amdgpu_cs_ib_info ib_info;
|
|
|
|
struct amdgpu_cs_fence fence_status;
|
|
|
|
uint32_t expired;
|
|
|
|
int i, r;
|
|
|
|
amdgpu_bo_list_handle bo_list;
|
|
|
|
amdgpu_va_handle va_handle;
|
|
|
|
|
|
|
|
r = amdgpu_cs_ctx_create(device_handle, &context_handle);
|
|
|
|
CU_ASSERT_EQUAL(r, 0);
|
|
|
|
|
|
|
|
r = amdgpu_bo_alloc_and_map_raw(device_handle, 4096, 4096,
|
|
|
|
AMDGPU_GEM_DOMAIN_GTT, 0, 0,
|
|
|
|
&ib_result_handle, &ib_result_cpu,
|
|
|
|
&ib_result_mc_address, &va_handle);
|
|
|
|
CU_ASSERT_EQUAL(r, 0);
|
|
|
|
|
|
|
|
r = amdgpu_get_bo_list(device_handle, ib_result_handle, NULL,
|
|
|
|
&bo_list);
|
|
|
|
CU_ASSERT_EQUAL(r, 0);
|
|
|
|
|
|
|
|
ptr = ib_result_cpu;
|
|
|
|
i = 0;
|
|
|
|
|
|
|
|
ptr[i++] = PACKET3(PACKET3_WRITE_DATA, 3);
|
|
|
|
ptr[i++] = (reg_access ? WRITE_DATA_DST_SEL(0) : WRITE_DATA_DST_SEL(5))| WR_CONFIRM;
|
|
|
|
ptr[i++] = reg_access ? mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR : 0xdeadbee0;
|
|
|
|
ptr[i++] = 0;
|
|
|
|
ptr[i++] = 0xdeadbeef;
|
|
|
|
|
|
|
|
for (; i < 16; ++i)
|
|
|
|
ptr[i] = 0xffff1000;
|
|
|
|
|
|
|
|
memset(&ib_info, 0, sizeof(struct amdgpu_cs_ib_info));
|
|
|
|
ib_info.ib_mc_address = ib_result_mc_address;
|
|
|
|
ib_info.size = 16;
|
|
|
|
|
|
|
|
memset(&ibs_request, 0, sizeof(struct amdgpu_cs_request));
|
|
|
|
ibs_request.ip_type = AMDGPU_HW_IP_GFX;
|
|
|
|
ibs_request.ring = 0;
|
|
|
|
ibs_request.number_of_ibs = 1;
|
|
|
|
ibs_request.ibs = &ib_info;
|
|
|
|
ibs_request.resources = bo_list;
|
|
|
|
ibs_request.fence_info.handle = NULL;
|
|
|
|
|
|
|
|
r = amdgpu_cs_submit(context_handle, 0,&ibs_request, 1);
|
|
|
|
CU_ASSERT_EQUAL((r == 0 || r == -ECANCELED), 1);
|
|
|
|
|
|
|
|
|
|
|
|
memset(&fence_status, 0, sizeof(struct amdgpu_cs_fence));
|
|
|
|
fence_status.context = context_handle;
|
|
|
|
fence_status.ip_type = AMDGPU_HW_IP_GFX;
|
|
|
|
fence_status.ip_instance = 0;
|
|
|
|
fence_status.ring = 0;
|
|
|
|
fence_status.fence = ibs_request.seq_no;
|
|
|
|
|
|
|
|
r = amdgpu_cs_query_fence_status(&fence_status,
|
|
|
|
AMDGPU_TIMEOUT_INFINITE,0, &expired);
|
|
|
|
CU_ASSERT_EQUAL((r == 0 || r == -ECANCELED), 1);
|
|
|
|
|
|
|
|
r = amdgpu_bo_list_destroy(bo_list);
|
|
|
|
CU_ASSERT_EQUAL(r, 0);
|
|
|
|
|
|
|
|
r = amdgpu_bo_unmap_and_free(ib_result_handle, va_handle,
|
|
|
|
ib_result_mc_address, 4096);
|
|
|
|
CU_ASSERT_EQUAL(r, 0);
|
|
|
|
|
|
|
|
r = amdgpu_cs_ctx_free(context_handle);
|
|
|
|
CU_ASSERT_EQUAL(r, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void amdgpu_illegal_reg_access()
|
|
|
|
{
|
|
|
|
bad_access_helper(1);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void amdgpu_illegal_mem_access()
|
|
|
|
{
|
|
|
|
bad_access_helper(0);
|
|
|
|
}
|