[igt-dev] [PATCH] tests/amdgpu: add VM test
Christian König
christian.koenig at amd.com
Fri Jul 28 08:08:02 UTC 2023
Am 27.07.23 um 23:33 schrieb vitaly.prosyak at amd.com:
> From: Vitaly Prosyak <vitaly.prosyak at amd.com>
>
> Ported and refactored drmlib vm_tests.c and the following is done:
>
> 1. Remove everywhere global variables.
> 2. Removed handling of error codes which allows the test to be skipped and
> use igt_assert_eq(r, 0) to catch error conditions.
> The code should be flat as much as possible without 'IF' unless it is necessary.
> 3. Properly formatted code to meet igt guidelines.
>
> Cc: Alex Deucher <alexander.deucher at amd.com>
> Cc: Christian Koenig <christian.koenig at amd.com>
> Cc: Luben Tuikov <luben.tuikov at amd.com>
> Signed-off-by: Vitaly Prosyak <vitaly.prosyak at amd.com>
Reviewed-by: Christian König <christian.koenig at amd.com>
> ---
> tests/amdgpu/amd_vm.c | 230 +++++++++++++++++++++++++++++++++++++++
> tests/amdgpu/meson.build | 1 +
> 2 files changed, 231 insertions(+)
> create mode 100644 tests/amdgpu/amd_vm.c
>
> diff --git a/tests/amdgpu/amd_vm.c b/tests/amdgpu/amd_vm.c
> new file mode 100644
> index 000000000..6e2a31a2c
> --- /dev/null
> +++ b/tests/amdgpu/amd_vm.c
> @@ -0,0 +1,230 @@
> +// SPDX-License-Identifier: MIT
> +/*
> + * Copyright 2023 Advanced Micro Devices, Inc.
> + * Copyright 2014 Advanced Micro Devices, Inc.
> + */
> +
> +#include <amdgpu.h>
> +#include "amdgpu_drm.h"
> +
> +#include "igt.h"
> +
> +#include "lib/amdgpu/amd_PM4.h"
> +#include "lib/amdgpu/amd_cp_dma.h"
> +#include "lib/amdgpu/amd_memory.h"
> +
> +static bool
> +is_vm_tests_enable(uint32_t family_id)
> +{
> + bool ret = true;
> +
> + if (family_id == AMDGPU_FAMILY_SI) {
> + //TODO currently hangs the CP on this ASIC, VM test is disabled
> + ret = false;
> + }
> +
> + return ret;
> +}
> +
> +static void
> +amdgpu_vmid_reserve_test(amdgpu_device_handle device_handle,
> + const struct amdgpu_gpu_info *gpu_info)
> +{
> + 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, flags;
> + int i, r;
> + amdgpu_bo_list_handle bo_list;
> + amdgpu_va_handle va_handle;
> + int32_t *ptr;
> + unsigned int gc_ip_type;
> +
> + gc_ip_type = asic_is_gfx_pipe_removed(gpu_info) ? AMDGPU_HW_IP_COMPUTE :
> + AMDGPU_HW_IP_GFX;
> +
> + r = amdgpu_cs_ctx_create(device_handle, &context_handle);
> + igt_assert_eq(r, 0);
> +
> + flags = 0;
> + r = amdgpu_vm_reserve_vmid(device_handle, flags);
> + igt_assert_eq(r, 0);
> +
> +
> + r = amdgpu_bo_alloc_and_map(device_handle, 4096, 4096,
> + AMDGPU_GEM_DOMAIN_GTT, 0,
> + &ib_result_handle, &ib_result_cpu,
> + &ib_result_mc_address, &va_handle);
> + igt_assert_eq(r, 0);
> +
> + r = amdgpu_get_bo_list(device_handle, ib_result_handle, NULL,
> + &bo_list);
> + igt_assert_eq(r, 0);
> +
> + ptr = ib_result_cpu;
> +
> + for (i = 0; i < 16; ++i)
> + ptr[i] = GFX_COMPUTE_NOP;
> +
> + 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 = gc_ip_type;
> + 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);
> + igt_assert_eq(r, 0);
> +
> +
> + memset(&fence_status, 0, sizeof(struct amdgpu_cs_fence));
> + fence_status.context = context_handle;
> + fence_status.ip_type = gc_ip_type;
> + 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);
> + igt_assert_eq(r, 0);
> +
> + r = amdgpu_bo_list_destroy(bo_list);
> + igt_assert_eq(r, 0);
> +
> + amdgpu_bo_unmap_and_free(ib_result_handle, va_handle,
> + ib_result_mc_address, 4096);
> +
> + flags = 0;
> + r = amdgpu_vm_unreserve_vmid(device_handle, flags);
> + igt_assert_eq(r, 0);
> +
> +
> + r = amdgpu_cs_ctx_free(context_handle);
> + igt_assert_eq(r, 0);
> +}
> +
> +static void
> +amdgpu_vm_unaligned_map(amdgpu_device_handle device_handle)
> +{
> + const uint64_t map_size = (4ULL << 30) - (2 << 12);
> + struct amdgpu_bo_alloc_request request = {};
> + amdgpu_bo_handle buf_handle;
> + amdgpu_va_handle handle;
> + uint64_t vmc_addr;
> + int r;
> +
> + request.alloc_size = 4ULL << 30;
> + request.phys_alignment = 4096;
> + request.preferred_heap = AMDGPU_GEM_DOMAIN_VRAM;
> + request.flags = AMDGPU_GEM_CREATE_NO_CPU_ACCESS;
> +
> + r = amdgpu_bo_alloc(device_handle, &request, &buf_handle);
> + igt_assert_eq(r, 0);
> +
> + r = amdgpu_va_range_alloc(device_handle, amdgpu_gpu_va_range_general,
> + 4ULL << 30, 1ULL << 30, 0, &vmc_addr,
> + &handle, 0);
> + igt_assert_eq(r, 0);
> +
> + vmc_addr += 1 << 12;
> +
> + r = amdgpu_bo_va_op(buf_handle, 0, map_size, vmc_addr, 0,
> + AMDGPU_VA_OP_MAP);
> + igt_assert_eq(r, 0);
> +
> + amdgpu_bo_va_op(buf_handle, 0, map_size, vmc_addr, 0,
> + AMDGPU_VA_OP_UNMAP);
> +
> + amdgpu_bo_free(buf_handle);
> +}
> +
> +static void
> +amdgpu_vm_mapping_test(amdgpu_device_handle device_handle)
> +{
> + struct amdgpu_bo_alloc_request req = {0};
> + struct drm_amdgpu_info_device dev_info;
> + const uint64_t size = 4096;
> + amdgpu_bo_handle buf;
> + uint64_t addr;
> + int r;
> +
> + req.alloc_size = size;
> + req.phys_alignment = 0;
> + req.preferred_heap = AMDGPU_GEM_DOMAIN_GTT;
> + req.flags = 0;
> +
> + r = amdgpu_bo_alloc(device_handle, &req, &buf);
> + igt_assert_eq(r, 0);
> +
> + r = amdgpu_query_info(device_handle, AMDGPU_INFO_DEV_INFO,
> + sizeof(dev_info), &dev_info);
> + igt_assert_eq(r, 0);
> +
> + addr = dev_info.virtual_address_offset;
> + r = amdgpu_bo_va_op(buf, 0, size, addr, 0, AMDGPU_VA_OP_MAP);
> + igt_assert_eq(r, 0);
> +
> + addr = dev_info.virtual_address_max - size;
> + r = amdgpu_bo_va_op(buf, 0, size, addr, 0, AMDGPU_VA_OP_MAP);
> + igt_assert_eq(r, 0);
> +
> + if (dev_info.high_va_offset) {
> + addr = dev_info.high_va_offset;
> + r = amdgpu_bo_va_op(buf, 0, size, addr, 0, AMDGPU_VA_OP_MAP);
> + igt_assert_eq(r, 0);
> +
> + addr = dev_info.high_va_max - size;
> + r = amdgpu_bo_va_op(buf, 0, size, addr, 0, AMDGPU_VA_OP_MAP);
> + igt_assert_eq(r, 0);
> + }
> +
> + amdgpu_bo_free(buf);
> +}
> +
> +igt_main
> +{
> + amdgpu_device_handle device;
> + struct amdgpu_gpu_info gpu_info = {};
> + int fd = -1;
> +
> + igt_fixture {
> + uint32_t major, minor;
> + int err;
> +
> + fd = drm_open_driver(DRIVER_AMDGPU);
> + err = amdgpu_device_initialize(fd, &major, &minor, &device);
> + igt_require(err == 0);
> + igt_info("Initialized amdgpu, driver version %d.%d\n",
> + major, minor);
> + err = amdgpu_query_gpu_info(device, &gpu_info);
> + igt_assert_eq(err, 0);
> +
> + igt_skip_on(!is_vm_tests_enable(gpu_info.family_id));
> + }
> +
> + igt_describe("Test reserve vmid");
> + igt_subtest("vmid-reserve-test")
> + amdgpu_vmid_reserve_test(device, &gpu_info);
> +
> + igt_describe("Test unaligned map");
> + igt_subtest("amdgpu-vm-unaligned-map")
> + amdgpu_vm_unaligned_map(device);
> +
> + igt_describe("Test vm mapping");
> + igt_subtest("amdgpu-vm-mapping-test")
> + amdgpu_vm_mapping_test(device);
> +
> + igt_fixture {
> + amdgpu_device_deinitialize(device);
> + drm_close_driver(fd);
> + }
> +}
> diff --git a/tests/amdgpu/meson.build b/tests/amdgpu/meson.build
> index bdada90ca..e179bddcd 100644
> --- a/tests/amdgpu/meson.build
> +++ b/tests/amdgpu/meson.build
> @@ -31,6 +31,7 @@ if libdrm_amdgpu.found()
> 'amd_uvd_enc',
> 'amd_vce_dec',
> 'amd_vcn',
> + 'amd_vm',
> 'amd_vrr_range',
> ]
> amdgpu_deps += libdrm_amdgpu
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