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-rw-r--r--include/linux/device-id/cdx.h40
1 files changed, 40 insertions, 0 deletions
diff --git a/include/linux/device-id/cdx.h b/include/linux/device-id/cdx.h
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index 000000000000..c6cb2b5cab5a
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+++ b/include/linux/device-id/cdx.h
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+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef LINUX_DEVICE_ID_CDX_H
+#define LINUX_DEVICE_ID_CDX_H
+
+#ifdef __KERNEL__
+#include <linux/types.h>
+#endif
+
+#define CDX_ANY_ID (0xFFFF)
+
+enum {
+ CDX_ID_F_VFIO_DRIVER_OVERRIDE = 1,
+};
+
+/**
+ * struct cdx_device_id - CDX device identifier
+ * @vendor: Vendor ID
+ * @device: Device ID
+ * @subvendor: Subsystem vendor ID (or CDX_ANY_ID)
+ * @subdevice: Subsystem device ID (or CDX_ANY_ID)
+ * @class: Device class
+ * Most drivers do not need to specify class/class_mask
+ * as vendor/device is normally sufficient.
+ * @class_mask: Limit which sub-fields of the class field are compared.
+ * @override_only: Match only when dev->driver_override is this driver.
+ *
+ * Type of entries in the "device Id" table for CDX devices supported by
+ * a CDX device driver.
+ */
+struct cdx_device_id {
+ __u16 vendor;
+ __u16 device;
+ __u16 subvendor;
+ __u16 subdevice;
+ __u32 class;
+ __u32 class_mask;
+ __u32 override_only;
+};
+
+#endif /* ifndef LINUX_DEVICE_ID_CDX_H */