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| author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
|---|---|---|
| committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
| commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
| tree | 65ca85f13617aee1dce474596800950f266a456c /roms/ipxe/src/arch/i386/include/undi.h | |
| download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip | |
Diffstat (limited to 'roms/ipxe/src/arch/i386/include/undi.h')
| -rw-r--r-- | roms/ipxe/src/arch/i386/include/undi.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/roms/ipxe/src/arch/i386/include/undi.h b/roms/ipxe/src/arch/i386/include/undi.h new file mode 100644 index 00000000..325fcbbf --- /dev/null +++ b/roms/ipxe/src/arch/i386/include/undi.h @@ -0,0 +1,106 @@ +#ifndef _UNDI_H +#define _UNDI_H + +/** @file + * + * UNDI driver + * + */ + +FILE_LICENCE ( GPL2_OR_LATER ); + +#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; + + /** 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 + +/** 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 */ |