[PATCH i-g-t v2 1/1] xe_exec_capture: Add xe_exec_capture test
Zhanjun Dong
zhanjun.dong at intel.com
Mon Oct 7 22:13:48 UTC 2024
Test with GuC reset, check if devcoredump register dump is within the
range.
Signed-off-by: Zhanjun Dong <zhanjun.dong at intel.com>
---
tests/intel/xe_exec_capture.c | 227 ++++++++++++++++++++++++++++++++++
tests/meson.build | 1 +
2 files changed, 228 insertions(+)
create mode 100644 tests/intel/xe_exec_capture.c
diff --git a/tests/intel/xe_exec_capture.c b/tests/intel/xe_exec_capture.c
new file mode 100644
index 000000000..3ca137989
--- /dev/null
+++ b/tests/intel/xe_exec_capture.c
@@ -0,0 +1,227 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2024 Intel Corporation
+ */
+
+/**
+ * TEST: Basic tests for GuC based register capture
+ * Category: Core
+ * Mega feature: General Core features
+ * Sub-category: CMD submission
+ * Functionality: Debug
+ * Test category: functionality test
+ */
+
+#include <ctype.h>
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "igt.h"
+#include "lib/igt_syncobj.h"
+#include "lib/intel_reg.h"
+#include "xe_drm.h"
+#include "xe/xe_ioctl.h"
+#include "xe/xe_query.h"
+#include "xe/xe_spin.h"
+
+#define MAX_N_EXECQUEUES 16
+#define MAX_INSTANCE 9
+#define GT_RESET (0x1 << 0)
+#define CLOSE_FD (0x1 << 1)
+#define CLOSE_EXEC_QUEUES (0x1 << 2)
+#define VIRTUAL (0x1 << 3)
+#define PARALLEL (0x1 << 4)
+#define CAT_ERROR (0x1 << 5)
+
+#define CMD_BUFFER_SIZE 1024
+#define MAX_PATH_NAME_LEN 512
+static void get_cmd_output(const char *command, char *buf)
+{
+ int length;
+ FILE *handle = popen(command, "r");
+
+ fgets(buf, CMD_BUFFER_SIZE, handle);
+ pclose(handle);
+
+ /* Remove trailing space */
+ length = strlen(buf);
+ while (length > 0 && isspace(buf[length - 1]))
+ buf--;
+ buf[length] = '\0';
+}
+
+static void find_devcoredump(char *card_dir)
+{
+ get_cmd_output("sudo bash -c 'cd /sys/class/drm;for dir in $(ls -d card?);"
+ "do if [ -e $dir/device/devcoredump/data ];then echo $dir;fi;done'",
+ card_dir);
+ igt_assert(strlen(card_dir) > 0);
+}
+
+static void rm_devcoredump(void)
+{
+ char command[CMD_BUFFER_SIZE];
+ char card_dir[MAX_PATH_NAME_LEN];
+
+ find_devcoredump(card_dir);
+ sprintf(command, "sudo bash -c \"echo '0'>/sys/class/drm/%s/device/devcoredump/data\"",
+ card_dir);
+ get_cmd_output(command, card_dir);
+}
+
+static void check_capture_output(const char *tag, uint64_t addr_lo, uint64_t addr_hi)
+{
+ char command[CMD_BUFFER_SIZE];
+ char output[CMD_BUFFER_SIZE];
+ char card_dir[MAX_PATH_NAME_LEN];
+ uint64_t result;
+
+ find_devcoredump(card_dir);
+
+ sprintf(command, "sudo awk '/%s/{print $2}' /sys/class/drm/%s/device/devcoredump/data",
+ tag, card_dir);
+ get_cmd_output(command, output);
+ result = strtol(output, NULL, 16);
+
+ igt_debug("output:[%s] expected:[%lX-%lX]\n", output, addr_lo, addr_hi);
+
+ igt_assert((addr_lo <= result) && (result <= addr_hi));
+}
+
+/**
+ * SUBTEST: close-fd
+ * Description: Test close fd, check if devcoredump register dump is within the
+ */
+
+static void
+test_legacy_mode(int fd, struct drm_xe_engine_class_instance *eci,
+ int n_exec_queues, int n_execs, unsigned int flags)
+{
+ uint32_t vm;
+ const uint64_t addr = 0x1a0000;
+ struct drm_xe_sync sync[2] = {
+ { .type = DRM_XE_SYNC_TYPE_SYNCOBJ, .flags = DRM_XE_SYNC_FLAG_SIGNAL, },
+ { .type = DRM_XE_SYNC_TYPE_SYNCOBJ, .flags = DRM_XE_SYNC_FLAG_SIGNAL, },
+ };
+ struct drm_xe_exec exec = {
+ .num_batch_buffer = 1,
+ .num_syncs = 2,
+ .syncs = to_user_pointer(sync),
+ };
+ uint32_t exec_queues[MAX_N_EXECQUEUES];
+ uint32_t syncobjs[MAX_N_EXECQUEUES];
+ size_t bo_size;
+ uint32_t bo = 0;
+ struct {
+ struct xe_spin spin;
+ uint32_t batch[16];
+ uint64_t pad;
+ uint32_t data;
+ } *data;
+ struct xe_spin_opts spin_opts = { .preempt = false };
+ int i, b;
+
+ igt_assert(n_exec_queues <= MAX_N_EXECQUEUES);
+
+ if (flags & CLOSE_FD)
+ fd = drm_open_driver(DRIVER_XE);
+
+ vm = xe_vm_create(fd, 0, 0);
+ bo_size = sizeof(*data) * n_execs;
+ bo_size = xe_bb_size(fd, bo_size);
+
+ bo = xe_bo_create(fd, vm, bo_size,
+ vram_if_possible(fd, eci->gt_id),
+ DRM_XE_GEM_CREATE_FLAG_NEEDS_VISIBLE_VRAM);
+ data = xe_bo_map(fd, bo, bo_size);
+
+ for (i = 0; i < n_exec_queues; i++) {
+ exec_queues[i] = xe_exec_queue_create(fd, vm, eci, 0);
+ syncobjs[i] = syncobj_create(fd, 0);
+ };
+
+ sync[0].handle = syncobj_create(fd, 0);
+ xe_vm_bind_async(fd, vm, 0, bo, 0, addr, bo_size, sync, 1);
+
+ for (i = 0; i < n_execs; i++) {
+ uint64_t base_addr = addr;
+ uint64_t batch_offset = (char *)&data[i].batch - (char *)data;
+ uint64_t batch_addr = base_addr + batch_offset;
+ uint64_t spin_offset = (char *)&data[i].spin - (char *)data;
+ uint64_t sdi_offset = (char *)&data[i].data - (char *)data;
+ uint64_t sdi_addr = base_addr + sdi_offset;
+ uint64_t exec_addr;
+ int e = i % n_exec_queues;
+
+ if (!i) {
+ spin_opts.addr = base_addr + spin_offset;
+ xe_spin_init(&data[i].spin, &spin_opts);
+ exec_addr = spin_opts.addr;
+ } else {
+ b = 0;
+ data[i].batch[b++] = MI_STORE_DWORD_IMM_GEN4;
+ data[i].batch[b++] = sdi_addr;
+ data[i].batch[b++] = sdi_addr >> 32;
+ data[i].batch[b++] = 0xc0ffee;
+ data[i].batch[b++] = MI_BATCH_BUFFER_END;
+ igt_assert(b <= ARRAY_SIZE(data[i].batch));
+
+ exec_addr = batch_addr;
+ }
+
+ sync[0].flags &= ~DRM_XE_SYNC_FLAG_SIGNAL;
+ sync[1].flags |= DRM_XE_SYNC_FLAG_SIGNAL;
+ sync[1].handle = syncobjs[e];
+
+ exec.exec_queue_id = exec_queues[e];
+ exec.address = exec_addr;
+ if (e != i)
+ syncobj_reset(fd, &syncobjs[e], 1);
+ xe_exec(fd, &exec);
+ }
+
+ for (i = 0; i < n_exec_queues && n_execs; i++)
+ igt_assert(syncobj_wait(fd, &syncobjs[i], 1, INT64_MAX, 0,
+ NULL));
+ igt_assert(syncobj_wait(fd, &sync[0].handle, 1, INT64_MAX, 0, NULL));
+
+ sync[0].flags |= DRM_XE_SYNC_FLAG_SIGNAL;
+ xe_vm_unbind_async(fd, vm, 0, 0, addr, bo_size, sync, 1);
+ igt_assert(syncobj_wait(fd, &sync[0].handle, 1, INT64_MAX, 0, NULL));
+
+ syncobj_destroy(fd, sync[0].handle);
+ for (i = 0; i < n_exec_queues; i++) {
+ syncobj_destroy(fd, syncobjs[i]);
+ xe_exec_queue_destroy(fd, exec_queues[i]);
+ }
+
+ munmap(data, bo_size);
+ gem_close(fd, bo);
+ xe_vm_destroy(fd, vm);
+
+ check_capture_output("ACTHD:", addr, addr + sizeof(data->batch));
+ check_capture_output("RING_BBADDR:", addr, addr + sizeof(data->batch));
+
+ rm_devcoredump();
+}
+
+igt_main
+{
+ struct drm_xe_engine_class_instance *hwe;
+ int fd;
+
+ igt_fixture
+ fd = drm_open_driver(DRIVER_XE);
+
+ igt_subtest("close-fd")
+ xe_for_each_engine(fd, hwe) {
+ igt_debug("Engine class: %x inst: %x\n", hwe->engine_class,
+ hwe->engine_instance);
+
+ test_legacy_mode(fd, hwe, 1, 1, 0);
+ }
+
+ igt_fixture
+ drm_close_driver(fd);
+}
diff --git a/tests/meson.build b/tests/meson.build
index 2d8cb87d5..b724a7c6d 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -284,6 +284,7 @@ intel_xe_progs = [
'xe_exec_atomic',
'xe_exec_balancer',
'xe_exec_basic',
+ 'xe_exec_capture',
'xe_exec_compute_mode',
'xe_exec_fault_mode',
'xe_exec_mix_modes',
--
2.34.1
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