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- #ifndef _UNDI_H
- #define _UNDI_H
-
- /** @file
- *
- * UNDI driver
- *
- */
-
- #ifndef ASSEMBLY
-
- #include <gpxe/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;
-
- /** Generic device */
- struct device dev;
- /** 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
-
- #endif /* _UNDI_H */
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