/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _SPARC_OPENPROMIO_H
#define _SPARC_OPENPROMIO_H

#include <linux/compiler.h>
#include <linux/ioctl.h>

/*
 * SunOS and Solaris /dev/openprom definitions. The ioctl values
 * were chosen to be exactly equal to the SunOS equivalents.
 */

struct openpromio {
        unsigned int oprom_size;        /* Actual size of the oprom_array. */
        char    oprom_array[];          /* Holds property names and values. */
};

#define OPROMMAXPARAM   4096            /* Maximum size of oprom_array. */

#define OPROMGETOPT             0x20004F01
#define OPROMSETOPT             0x20004F02
#define OPROMNXTOPT             0x20004F03
#define OPROMSETOPT2            0x20004F04
#define OPROMNEXT               0x20004F05
#define OPROMCHILD              0x20004F06
#define OPROMGETPROP            0x20004F07
#define OPROMNXTPROP            0x20004F08
#define OPROMU2P                0x20004F09
#define OPROMGETCONS            0x20004F0A
#define OPROMGETFBNAME          0x20004F0B
#define OPROMGETBOOTARGS        0x20004F0C
/* Linux extensions */                          /* Arguments in oprom_array: */
#define OPROMSETCUR             0x20004FF0      /* int node - Sets current node */
#define OPROMPCI2NODE           0x20004FF1      /* int pci_bus, pci_devfn - Sets current node to PCI device's node */
#define OPROMPATH2NODE          0x20004FF2      /* char path[] - Set current node from fully qualified PROM path */

/*
 * Return values from OPROMGETCONS:
 */

#define OPROMCONS_NOT_WSCONS    0
#define OPROMCONS_STDIN_IS_KBD  0x1     /* stdin device is kbd */
#define OPROMCONS_STDOUT_IS_FB  0x2     /* stdout is a framebuffer */
#define OPROMCONS_OPENPROM      0x4     /* supports openboot */


/*
 *  NetBSD/OpenBSD /dev/openprom definitions.
 */

struct opiocdesc
{
        int     op_nodeid;              /* PROM Node ID (value-result) */
        int     op_namelen;             /* Length of op_name. */
        char    __user *op_name;        /* Pointer to the property name. */
        int     op_buflen;              /* Length of op_buf (value-result) */
        char    __user *op_buf;         /* Pointer to buffer. */
};

#define OPIOCGET        _IOWR('O', 1, struct opiocdesc)
#define OPIOCSET        _IOW('O', 2, struct opiocdesc)
#define OPIOCNEXTPROP   _IOWR('O', 3, struct opiocdesc)
#define OPIOCGETOPTNODE _IOR('O', 4, int)
#define OPIOCGETNEXT    _IOWR('O', 5, int)
#define OPIOCGETCHILD   _IOWR('O', 6, int)

#endif /* _SPARC_OPENPROMIO_H */