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-rw-r--r--contrib/syslinux-4.02/gpxe/src/include/gpxe/device.h113
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diff --git a/contrib/syslinux-4.02/gpxe/src/include/gpxe/device.h b/contrib/syslinux-4.02/gpxe/src/include/gpxe/device.h
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+++ b/contrib/syslinux-4.02/gpxe/src/include/gpxe/device.h
@@ -0,0 +1,113 @@
+#ifndef _GPXE_DEVICE_H
+#define _GPXE_DEVICE_H
+
+/**
+ * @file
+ *
+ * Device model
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <gpxe/list.h>
+#include <gpxe/tables.h>
+
+/** A hardware device description */
+struct device_description {
+ /** Bus type
+ *
+ * This must be a BUS_TYPE_XXX constant.
+ */
+ unsigned int bus_type;
+ /** Location
+ *
+ * The interpretation of this field is bus-type-specific.
+ */
+ unsigned int location;
+ /** Vendor ID */
+ unsigned int vendor;
+ /** Device ID */
+ unsigned int device;
+ /** Device class */
+ unsigned long class;
+ /** I/O address */
+ unsigned long ioaddr;
+ /** IRQ */
+ unsigned int irq;
+};
+
+/** PCI bus type */
+#define BUS_TYPE_PCI 1
+
+/** ISAPnP bus type */
+#define BUS_TYPE_ISAPNP 2
+
+/** EISA bus type */
+#define BUS_TYPE_EISA 3
+
+/** MCA bus type */
+#define BUS_TYPE_MCA 4
+
+/** ISA bus type */
+#define BUS_TYPE_ISA 5
+
+/** A hardware device */
+struct device {
+ /** Name */
+ char name[16];
+ /** Device description */
+ struct device_description desc;
+ /** Devices on the same bus */
+ struct list_head siblings;
+ /** Devices attached to this device */
+ struct list_head children;
+ /** Bus device */
+ struct device *parent;
+};
+
+/**
+ * A root device
+ *
+ * Root devices are system buses such as PCI, EISA, etc.
+ *
+ */
+struct root_device {
+ /** Device chain
+ *
+ * A root device has a NULL parent field.
+ */
+ struct device dev;
+ /** Root device driver */
+ struct root_driver *driver;
+};
+
+/** A root device driver */
+struct root_driver {
+ /**
+ * Add root device
+ *
+ * @v rootdev Root device
+ * @ret rc Return status code
+ *
+ * Called from probe_devices() for all root devices in the build.
+ */
+ int ( * probe ) ( struct root_device *rootdev );
+ /**
+ * Remove root device
+ *
+ * @v rootdev Root device
+ *
+ * Called from remove_device() for all successfully-probed
+ * root devices.
+ */
+ void ( * remove ) ( struct root_device *rootdev );
+};
+
+/** Root device table */
+#define ROOT_DEVICES __table ( struct root_device, "root_devices" )
+
+/** Declare a root device */
+#define __root_device __table_entry ( ROOT_DEVICES, 01 )
+
+#endif /* _GPXE_DEVICE_H */