1 files changed, 126 insertions, 0 deletions
diff --git a/src/include/dev.h b/src/include/dev.h
new file mode 100644
index 000000000..bd352eb70
--- /dev/null
+++ b/src/include/dev.h
@@ -0,0 +1,126 @@
+#ifndef DEV_H
+#define DEV_H
+
+#include "isa.h"
+#include "pci.h"
+
+/* Need to check the packing of this struct if Etherboot is ported */
+struct dev_id
+{
+	unsigned short	vendor_id;
+	unsigned short	device_id;
+	unsigned char	bus_type;
+#define	PCI_BUS_TYPE	1
+#define	ISA_BUS_TYPE	2
+};
+
+/* Dont use sizeof, that will include the padding */
+#define	DEV_ID_SIZE	8
+
+
+struct pci_probe_state 
+{
+#ifdef CONFIG_PCI
+	struct pci_device dev;
+	int advance;
+#else
+	int dummy;
+#endif
+};
+struct isa_probe_state
+{
+#ifdef CONFIG_ISA
+	const struct isa_driver *driver;
+	int advance;
+#else
+	int dummy;
+#endif
+};
+
+union probe_state
+{
+	struct pci_probe_state pci;
+	struct isa_probe_state isa;
+};
+
+struct dev
+{
+	void		(*disable)P((struct dev *));
+	struct dev_id	devid;	/* device ID string (sent to DHCP server) */
+	int		index;  /* Index of next device on this controller to probe */
+	int		type;		/* Type of device I am probing for */
+	int		how_probe;	/* First, next or awake */
+	int 		to_probe;	/* Flavor of device I am probing */
+	int		failsafe;	/* Failsafe probe requested */
+	int		type_index;	/* Index of this device (within type) */
+#define	PROBE_NONE 0
+#define PROBE_PCI  1
+#define PROBE_ISA  2
+	union probe_state state;
+};
+
+
+#define NIC_DRIVER    0
+#define DISK_DRIVER   1
+#define FLOPPY_DRIVER 2
+
+#define BRIDGE_DRIVER 1000
+
+#define PROBE_FIRST  (-1)
+#define PROBE_NEXT   0
+#define PROBE_AWAKE  1		/* After calling disable bring up the same device */
+
+/* The probe result codes are selected
+ * to allow them to be fed back into the probe
+ * routine and get a successful probe.
+ */
+#define PROBE_FAILED PROBE_FIRST
+#define PROBE_WORKED  PROBE_NEXT
+
+extern int probe(struct dev *dev);
+extern void disable(struct dev *dev);
+
+/* Boot option values
+ * option & BOOT_TYPE_MASK should equal a driver for probing
+ */
+
+#define BOOT_NIC      0x0	/* Boot from a nic */
+#define BOOT_DISK     0x1	/* Boot from disk */
+#define BOOT_FLOPPY   0x2	/* Boot from a floppy */
+
+#define BOOT_NOTHING  0x3	/* Last valid boot choice */
+
+/* Do magic failsafe boot processing */
+#define BOOT_FAILSAFE 0x8
+
+#define BOOT_BITS       4
+#define BOOT_MASK      ((1 << (BOOT_BITS)) - 1)
+#define BOOT_TYPE_MASK ((1 << (BOOT_BITS - 1)) - 1)
+
+#define MAX_BOOT_ENTRIES 3
+
+#define	BOOT_ALL_VALUE	(1<<BOOT_FIRST|1<<BOOT_SECOND|1<<BOOT_THIRD)
+
+/* These could be customised for different languages perhaps */
+#if	BOOT_ALL_VALUE&(1<<BOOT_DISK)
+#define	BOOT_DISK_PROMPT	"(D)isk "
+#else
+#define	BOOT_DISK_PROMPT
+#endif
+
+#if	BOOT_ALL_VALUE&(1<<BOOT_FLOPPY)
+#define	BOOT_FLOPPY_PROMPT	"(F)loppy "
+#else
+#define	BOOT_FLOPPY_PROMPT
+#endif
+
+#define	ASK_PROMPT	\
+	"Boot from (N)etwork " BOOT_DISK_PROMPT BOOT_FLOPPY_PROMPT "or (Q)uit? "
+
+#define	ANS_NETWORK	'N'
+#define ANS_DISK	'D'
+#define ANS_FLOPPY	'F'
+#define	ANS_QUIT	'Q'
+#define ANS_DEFAULT	'\n'
+
+#endif /* DEV_H */