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#ifndef _UNDI_H
#define _UNDI_H
/** @file
*
* UNDI driver
*
*/
FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
#ifndef ASSEMBLY
#include <ipxe/device.h>
#include <pxe_types.h>
/** An UNDI device
*
* This structure is used by assembly code as well as C; do not alter
* this structure without editing pxeprefix.S to match.
*/
struct undi_device {
/** PXENV+ structure address */
SEGOFF16_t pxenv;
/** !PXE structure address */
SEGOFF16_t ppxe;
/** Entry point */
SEGOFF16_t entry;
/** Free base memory after load */
UINT16_t fbms;
/** Free base memory prior to load */
UINT16_t restore_fbms;
/** PCI bus:dev.fn, or @c UNDI_NO_PCI_BUSDEVFN */
UINT16_t pci_busdevfn;
/** ISAPnP card select number, or @c UNDI_NO_ISAPNP_CSN */
UINT16_t isapnp_csn;
/** ISAPnP read port, or @c UNDI_NO_ISAPNP_READ_PORT */
UINT16_t isapnp_read_port;
/** PCI vendor ID
*
* Filled in only for the preloaded UNDI device by pxeprefix.S
*/
UINT16_t pci_vendor;
/** PCI device ID
*
* Filled in only for the preloaded UNDI device by pxeprefix.S
*/
UINT16_t pci_device;
/** Flags
*
* This is the bitwise OR of zero or more UNDI_FL_XXX
* constants.
*/
UINT16_t flags;
/** Driver-private data
*
* Use undi_set_drvdata() and undi_get_drvdata() to access this
* field.
*/
void *priv;
} __attribute__ (( packed ));
/**
* Set UNDI driver-private data
*
* @v undi UNDI device
* @v priv Private data
*/
static inline void undi_set_drvdata ( struct undi_device *undi, void *priv ) {
undi->priv = priv;
}
/**
* Get UNDI driver-private data
*
* @v undi UNDI device
* @ret priv Private data
*/
static inline void * undi_get_drvdata ( struct undi_device *undi ) {
return undi->priv;
}
#endif /* ASSEMBLY */
/** PCI bus:dev.fn field is invalid */
#define UNDI_NO_PCI_BUSDEVFN 0xffff
/** ISAPnP card select number field is invalid */
#define UNDI_NO_ISAPNP_CSN 0xffff
/** ISAPnP read port field is invalid */
#define UNDI_NO_ISAPNP_READ_PORT 0xffff
/** UNDI flag: START_UNDI has been called */
#define UNDI_FL_STARTED 0x0001
/** UNDI flag: UNDI_STARTUP and UNDI_INITIALIZE have been called */
#define UNDI_FL_INITIALIZED 0x0002
/** UNDI flag: keep stack resident */
#define UNDI_FL_KEEP_ALL 0x0004
#endif /* _UNDI_H */
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