1 files changed, 71 insertions, 0 deletions
diff --git a/lib/intel_pci.c b/lib/intel_pci.c
new file mode 100644
index 00000000..3bfacb53
--- /dev/null
+++ b/lib/intel_pci.c
@@ -0,0 +1,71 @@
+/*
+ * Copyright © 2008 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.
+ *
+ * Authors:
+ *    Eric Anholt <eric@anholt.net>
+ *
+ */
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <err.h>
+#include <assert.h>
+#include <sys/ioctl.h>
+#include <sys/fcntl.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+
+#include "intel_gpu_tools.h"
+
+struct pci_device *
+intel_get_pci_device(void)
+{
+	struct pci_device *pci_dev;
+	int err;
+
+	err = pci_system_init();
+	if (err != 0) {
+		fprintf(stderr, "Couldn't initialize PCI system: %s\n",
+			strerror(err));
+		exit(1);
+	}
+
+	/* Grab the graphics card */
+	pci_dev = pci_device_find_by_slot(0, 0, 2, 0);
+	if (pci_dev == NULL)
+		errx(1, "Couldn't find graphics card");
+
+	err = pci_device_probe(pci_dev);
+	if (err != 0) {
+		fprintf(stderr, "Couldn't probe graphics card: %s\n",
+			strerror(err));
+		exit(1);
+	}
+
+	if (pci_dev->vendor_id != 0x8086)
+		errx(1, "Graphics card is non-intel");
+
+	return pci_dev;
+}