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3fd44345c4
While enumerating devices on a system with multiple implementations, unnecessary ioctls will be issued before a driver checks if it supports a given device. This patch makes the driver fail early based on a intel_device_info.ver check with 2 new parameters added to intel_get_device_info_from_fd. Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27166>
78 lines
2.3 KiB
C
78 lines
2.3 KiB
C
/*
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* Copyright © 2022 Intel Corporation
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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 (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* 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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#undef NDEBUG
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#include <assert.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include "util/libdrm.h"
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#include "intel_device_info.h"
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#include "intel_device_info_test.h"
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int
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main(int argc, char *argv[])
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{
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drmDevicePtr devices[8];
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int max_devices;
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if (argc != 2) {
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fprintf(stderr, "format: %s verx10_number\n", argv[0]);
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return -1;
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}
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int verx10 = atoi(argv[1]);
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max_devices = drmGetDevices2(0, devices, ARRAY_SIZE(devices));
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if (max_devices < 1) {
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fprintf(stderr, "Device not found\n");
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return -1;
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}
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for (int i = 0; i < max_devices; i++) {
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struct intel_device_info devinfo;
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const char *path = devices[i]->nodes[DRM_NODE_RENDER];
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int fd = open(path, O_RDWR | O_CLOEXEC);
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if (fd < 0)
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continue;
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bool success = intel_get_device_info_from_fd(fd, &devinfo, -1, -1);
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close(fd);
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if (!success)
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continue;
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fprintf(stderr, "%u\n", devinfo.verx10);
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assert(devinfo.verx10 == verx10);
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verify_device_info(&devinfo);
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assert(devinfo.engine_class_prefetch[INTEL_ENGINE_CLASS_RENDER] > 0);
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}
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return 0;
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}
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