intel/dev: add a test verifying that device override works

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17831>

src/intel/dev/intel_device_info_override_test.c

@@ -0,0 +1,77 @@
+/*
+ * Copyright © 2022 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#undef NDEBUG
+
+#include <assert.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#include <xf86drm.h>
+
+#include "intel_device_info.h"
+#include "intel_device_info_test.h"
+
+int
+main(int argc, char *argv[])
+{
+   drmDevicePtr devices[8];
+   int max_devices;
+
+   if (argc != 2) {
+      fprintf(stderr, "format: %s verx10_number\n", argv[0]);
+      return -1;
+   }
+
+   int verx10 = atoi(argv[1]);
+
+   max_devices = drmGetDevices2(0, devices, ARRAY_SIZE(devices));
+   if (max_devices < 1) {
+      fprintf(stderr, "Device not found\n");
+      return -1;
+   }
+
+   for (int i = 0; i < max_devices; i++) {
+      struct intel_device_info devinfo;
+      const char *path = devices[i]->nodes[DRM_NODE_RENDER];
+      int fd = open(path, O_RDWR | O_CLOEXEC);
+
+      if (fd < 0)
+         continue;
+
+      bool success = intel_get_device_info_from_fd(fd, &devinfo);
+      close(fd);
+
+      if (!success)
+         continue;
+
+      fprintf(stderr, "%u\n", devinfo.verx10);
+      assert(devinfo.verx10 == verx10);
+      verify_device_info(&devinfo);
+   }
+
+   return 0;
+}

src/intel/dev/meson.build

@@ -50,6 +50,37 @@ if with_tests
       )
 endif
 
+if with_tests and with_tools.contains('drm-shim') and with_tools.contains('intel')
+  platforms = [ [ 70,  ['ivb', 'byt'] ],
+                [ 75,  ['hsw'] ],
+                [ 80,  ['bdw', 'chv'] ],
+                [ 90,  ['skl', 'kbl', 'aml', 'cml', 'whl', 'bxt', 'glk'] ],
+                [ 110, ['icl', 'ehl', 'jsl'] ],
+                [ 120, ['tgl', 'rkl', 'adl', 'rpl', 'dg1', 'sg1'] ],
+                [ 125, ['dg2'] ],
+              ]
+  intel_devinfo_override_test = executable(
+    'intel_device_info_override_test',
+    'intel_device_info_override_test.c',
+    dependencies : [dep_libdrm],
+    include_directories : [inc_include, inc_src],
+    link_with : libintel_dev,
+  )
+  foreach _gens : platforms
+    gen = _gens[0]
+    foreach p : _gens[1]
+              test('intel_device_info_override_test_@0@'.format(p),
+                   intel_devinfo_override_test,
+                   args : '@0@'.format(gen),
+                   env : [ 'LD_PRELOAD=@0@'.format(join_paths(
+                     meson.current_build_dir(), '../tools/libintel_noop_drm_shim.so')),
+                           'INTEL_STUB_GPU_PLATFORM=@0@'.format(p) ],
+                   suite : ['intel'],
+                  )
+    endforeach
+  endforeach
+endif
+
 if with_intel_tools
   intel_dev_info = executable(
     'intel_dev_info',