/* ieee1275.h - Access the Open Firmware client interface.  *//* *  GRUB  --  GRand Unified Bootloader *  Copyright (C) 2003,2004,2005,2007,2008  Free Software Foundation, Inc. * *  GRUB is free software: you can redistribute it and/or modify *  it under the terms of the GNU General Public License as published by *  the Free Software Foundation, either version 3 of the License, or *  (at your option) any later version. * *  GRUB is distributed in the hope that it will be useful, *  but WITHOUT ANY WARRANTY; without even the implied warranty of *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the *  GNU General Public License for more details. * *  You should have received a copy of the GNU General Public License *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>. */#ifndef GRUB_IEEE1275_HEADER#define GRUB_IEEE1275_HEADER	1#include <stdint.h>#include <grub/err.h>#include <grub/types.h>#include <grub/machine/ieee1275.h>/* Maps a device alias to a pathname.  */struct grub_ieee1275_devalias{  char *name;  char *path;  char *type;};struct grub_ieee1275_mem_region {  unsigned int start;  unsigned int size;};#ifndef IEEE1275_CALL_ENTRY_FN#define IEEE1275_CALL_ENTRY_FN(args) (*grub_ieee1275_entry_fn) (args)#endif/* All backcalls to the firmware is done by calling an entry function    which was passed to us from the bootloader.  When doing the backcall,    a structure is passed which specifies what the firmware should do.     NAME is the requested service.  NR_INS and NR_OUTS is the number of   passed arguments and the expected number of return values, resp. */struct grub_ieee1275_common_hdr{  grub_ieee1275_cell_t name;  grub_ieee1275_cell_t nr_ins;  grub_ieee1275_cell_t nr_outs;};#define INIT_IEEE1275_COMMON(p, xname, xins, xouts) \  (p)->name = (grub_ieee1275_cell_t) xname; \  (p)->nr_ins = (grub_ieee1275_cell_t) xins; \  (p)->nr_outs = (grub_ieee1275_cell_t) xoutstypedef grub_ieee1275_cell_t grub_ieee1275_ihandle_t;typedef grub_ieee1275_cell_t grub_ieee1275_phandle_t;extern grub_ieee1275_phandle_t EXPORT_VAR(grub_ieee1275_chosen);extern grub_ieee1275_ihandle_t EXPORT_VAR(grub_ieee1275_mmu);extern int (* EXPORT_VAR(grub_ieee1275_entry_fn)) (void *);enum grub_ieee1275_flag{  /* Old World Macintosh firmware fails seek when "dev:0" is opened.  */  GRUB_IEEE1275_FLAG_NO_PARTITION_0,  /* Apple firmware runs in translated mode and requires use of the "map"     method.  Other firmware runs in untranslated mode and doesn't like "map"     calls.  */  GRUB_IEEE1275_FLAG_REAL_MODE,  /* CHRP specifies partitions are numbered from 1 (partition 0 refers to the     whole disk). However, CodeGen firmware numbers partitions from 0.  */  GRUB_IEEE1275_FLAG_0_BASED_PARTITIONS,  /* CodeGen firmware does not correctly implement "output-device output" */  GRUB_IEEE1275_FLAG_BROKEN_OUTPUT,  /* OLPC / XO firmware hangs when accessing USB devices.  */  GRUB_IEEE1275_FLAG_OFDISK_SDCARD_ONLY,  /* Open Hack'Ware stops when trying to set colors */  GRUB_IEEE1275_FLAG_CANNOT_SET_COLORS,};extern int EXPORT_FUNC(grub_ieee1275_test_flag) (enum grub_ieee1275_flag flag);extern void EXPORT_FUNC(grub_ieee1275_set_flag) (enum grub_ieee1275_flag flag);int EXPORT_FUNC(grub_ieee1275_finddevice) (char *name,					   grub_ieee1275_phandle_t *phandlep);int EXPORT_FUNC(grub_ieee1275_get_property) (grub_ieee1275_phandle_t phandle,					     const char *property, void *buf,					     grub_size_t size,					     grub_ssize_t *actual);int EXPORT_FUNC(grub_ieee1275_get_integer_property) (grub_ieee1275_phandle_t phandle,						     const char *property, grub_uint32_t *buf,						     grub_size_t size,						     grub_ssize_t *actual);int EXPORT_FUNC(grub_ieee1275_next_property) (grub_ieee1275_phandle_t phandle,					      char *prev_prop, char *prop);int EXPORT_FUNC(grub_ieee1275_get_property_length)      (grub_ieee1275_phandle_t phandle, const char *prop, grub_ssize_t *length);int EXPORT_FUNC(grub_ieee1275_instance_to_package)      (grub_ieee1275_ihandle_t ihandle, grub_ieee1275_phandle_t *phandlep);int EXPORT_FUNC(grub_ieee1275_package_to_path) (grub_ieee1275_phandle_t phandle,						char *path, grub_size_t len,						grub_ssize_t *actual);int EXPORT_FUNC(grub_ieee1275_instance_to_path)      (grub_ieee1275_ihandle_t ihandle, char *path, grub_size_t len,      grub_ssize_t *actual);int EXPORT_FUNC(grub_ieee1275_write) (grub_ieee1275_ihandle_t ihandle,				      void *buffer, grub_size_t len,				      grub_ssize_t *actualp);int EXPORT_FUNC(grub_ieee1275_read) (grub_ieee1275_ihandle_t ihandle,				     void *buffer, grub_size_t len,				     grub_ssize_t *actualp);int EXPORT_FUNC(grub_ieee1275_seek) (grub_ieee1275_ihandle_t ihandle,				     int pos_hi, int pos_lo,				     grub_ssize_t *result);int EXPORT_FUNC(grub_ieee1275_peer) (grub_ieee1275_phandle_t node,				     grub_ieee1275_phandle_t *result);int EXPORT_FUNC(grub_ieee1275_child) (grub_ieee1275_phandle_t node,				      grub_ieee1275_phandle_t *result);int EXPORT_FUNC(grub_ieee1275_parent) (grub_ieee1275_phandle_t node,				       grub_ieee1275_phandle_t *result);int EXPORT_FUNC(grub_ieee1275_interpret) (const char *command,					  grub_ieee1275_cell_t *catch);int EXPORT_FUNC(grub_ieee1275_enter) (void);void EXPORT_FUNC(grub_ieee1275_exit) (void) __attribute__ ((noreturn));int EXPORT_FUNC(grub_ieee1275_open) (const char *node,				     grub_ieee1275_ihandle_t *result);int EXPORT_FUNC(grub_ieee1275_close) (grub_ieee1275_ihandle_t ihandle);int EXPORT_FUNC(grub_ieee1275_claim) (grub_addr_t addr, grub_size_t size,				      unsigned int align, grub_addr_t *result);int EXPORT_FUNC(grub_ieee1275_release) (grub_addr_t addr, grub_size_t size);int EXPORT_FUNC(grub_ieee1275_set_property) (grub_ieee1275_phandle_t phandle,					     const char *propname, void *buf,					     grub_size_t size,					     grub_ssize_t *actual);int EXPORT_FUNC(grub_ieee1275_set_color) (grub_ieee1275_ihandle_t ihandle,					  int index, int r, int g, int b);int EXPORT_FUNC(grub_ieee1275_milliseconds) (grub_uint32_t *msecs);grub_err_t EXPORT_FUNC(grub_devalias_iterate)     (int (*hook) (struct grub_ieee1275_devalias *alias));grub_err_t EXPORT_FUNC(grub_children_iterate) (char *devpath,     int (*hook) (struct grub_ieee1275_devalias *alias));grub_err_t EXPORT_FUNC(grub_available_iterate)     (int (*hook) (grub_uint64_t, grub_uint64_t));int EXPORT_FUNC(grub_claimmap) (grub_addr_t addr, grub_size_t size);char *EXPORT_FUNC(grub_ieee1275_encode_devname) (const char *path);char *EXPORT_FUNC(grub_ieee1275_get_filename) (const char *path);#endif /* ! GRUB_IEEE1275_HEADER */