intel/sys/bootconf.h

	bootconf.h revision a31148363f598def767ac48c5d82e1572e44b935
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _SYS_BOOTCONF_H
#define _SYS_BOOTCONF_H


/*
 * Boot time configuration information objects
 */

#include <sys/types.h>
#include <sys/bootregs.h>       /* for struct bop_regs */
#include <sys/bootstat.h>
#include <sys/dirent.h>         /* for struct dirent */
#include <sys/memlist.h>
#include <sys/obpdefs.h>
#include <net/if.h>         /* for IFNAMSIZ */

#ifdef __cplusplus
extern "C" {
#endif

/*
 * Boot property names
 */
#define BP_CPU_APICID_ARRAY "cpu_apicid_array"
#define BP_LGRP_SLIT_ENABLE "lgrp_slit_enable"
#define BP_LGRP_SRAT_ENABLE "lgrp_srat_enable"
#define BP_LGRP_MSCT_ENABLE "lgrp_msct_enable"
#define BP_LGRP_TOPO_LEVELS "lgrp_topo_levels"

/*
 * masks to hand to bsys_alloc memory allocator
 * XXX  These names shouldn't really be srmmu derived.
 */
#define BO_NO_ALIGN 0x00001000

/* flags for BOP_EALLOC */
#define BOPF_X86_ALLOC_CLIENT   0x001
#define BOPF_X86_ALLOC_REAL 0x002
#define BOPF_X86_ALLOC_IDMAP    0x003
#define BOPF_X86_ALLOC_PHYS 0x004

/* return values for the newer bootops */
#define BOOT_SUCCESS    0
#define BOOT_FAILURE    (-1)

/* top of boot scratch memory: 15 MB; multiboot loads at 16 MB */
#define MAGIC_PHYS  0xF00000

/*
 *  We pass a ptr to the space that boot has been using
 *  for its memory lists.
 */
struct bsys_mem {
    struct memlist  *physinstalled; /* amt of physmem installed */
    struct memlist  *rsvdmem;   /* amt of bios reserved mem */
    struct memlist  *physavail; /* amt of physmem avail for use */
    struct memlist  *virtavail; /* amt of virtmem avail for use */
    struct memlist  *pcimem;    /* amt of pcimem avail for use */
    uint_t      extent;     /* number of bytes in the space */
};

/*
 * Warning: Changing BO_VERSION blows compatibility between booters
 *          and older kernels.  If you want to change the struct bootops,
 *          please consider adding new stuff to the end and using the
 *          "bootops-extensions" mechanism described below.
 */
#define BO_VERSION  10      /* bootops interface revision # */

typedef struct bootops {
    /*
     * the ubiquitous version number
     */
    uint_t  bsys_version;

    /*
     * the area containing boot's memlists
     */
    struct  bsys_mem *boot_mem;

    /*
     * have boot allocate size bytes at virthint
     */
    caddr_t (*bsys_alloc)(struct bootops *, caddr_t virthint, size_t size,
        int align);

    /*
     * free size bytes allocated at virt - put the
     * address range back onto the avail lists.
     */
    void    (*bsys_free)(struct bootops *, caddr_t virt, size_t size);

    /*
     * to find the size of the buffer to allocate
     */
    int (*bsys_getproplen)(struct bootops *, const char *);

    /*
     * get the value associated with this name
     */
    int (*bsys_getprop)(struct bootops *, const char *, void *);

    /*
     * get the name of the next property in succession
     * from the standalone
     */
    char    *(*bsys_nextprop)(struct bootops *, char *prevprop);

    /*
     * print formatted output
     */
    void    (*bsys_printf)(struct bootops *, const char *, ...);

    /*
     * Do a real mode interrupt
     */
    void    (*bsys_doint)(struct bootops *, int, struct bop_regs *);

    /*
     * Enhanced version of bsys_alloc().
     */
    caddr_t (*bsys_ealloc)(struct bootops *, caddr_t virthint, size_t size,
        int align, int flags);

    /* end of bootops which exist if (bootops-extensions >= 1) */
} bootops_t;

#define BOP_GETVERSION(bop)     ((bop)->bsys_version)
#define BOP_ALLOC(bop, virthint, size, align)   \
                ((bop)->bsys_alloc)(bop, virthint, size, align)
#define BOP_FREE(bop, virt, size)   ((bop)->bsys_free)(bop, virt, size)
#define BOP_GETPROPLEN(bop, name)   ((bop)->bsys_getproplen)(bop, name)
#define BOP_GETPROP(bop, name, buf) ((bop)->bsys_getprop)(bop, name, buf)
#define BOP_NEXTPROP(bop, prev)     ((bop)->bsys_nextprop)(bop, prev)
#define BOP_DOINT(bop, intnum, rp)  ((bop)->bsys_doint)(bop, intnum, rp)
#define BOP_EALLOC(bop, virthint, size, align, flags)\
        ((bop)->bsys_ealloc)(bop, virthint, size, align, flags)

#define BOP_PUTSARG(bop, msg, arg)  ((bop)->bsys_printf)(bop, msg, arg)

#if defined(_KERNEL) && !defined(_BOOT)

/*
 * Boot configuration information
 */

#define BO_MAXFSNAME    16
#define BO_MAXOBJNAME   256

struct bootobj {
    char    bo_fstype[BO_MAXFSNAME];    /* vfs type name (e.g. nfs) */
    char    bo_name[BO_MAXOBJNAME];     /* name of object */
    int bo_flags;           /* flags, see below */
    int bo_size;            /* number of blocks */
    struct vnode *bo_vp;            /* vnode of object */
    char    bo_devname[BO_MAXOBJNAME];
    char    bo_ifname[BO_MAXOBJNAME];
    int bo_ppa;
};

/*
 * flags
 */
#define BO_VALID    0x01    /* all information in object is valid */
#define BO_BUSY     0x02    /* object is busy */

extern struct bootobj rootfs;
extern struct bootobj swapfile;

extern char obp_bootpath[BO_MAXOBJNAME];
extern char svm_bootpath[BO_MAXOBJNAME];

extern void *gfx_devinfo_list;

extern dev_t getrootdev(void);
extern void getfsname(char *, char *, size_t);
extern int loadrootmodules(void);

extern int strplumb(void);
extern int strplumb_load(void);
extern char *strplumb_get_netdev_path(void);

extern void consconfig(void);
extern void release_bootstrap(void);

extern void param_check(void);
extern int octet_to_hexascii(const void *, uint_t, char *, uint_t *);

extern int dhcpinit(void);

extern struct bootops *bootops;
extern int netboot;
extern int swaploaded;
extern int modrootloaded;
extern char kern_bootargs[];
extern char kern_bootfile[];
extern char *kobj_module_path;
extern char *default_path;
extern char *dhcack;
extern int dhcacklen;
extern char dhcifname[IFNAMSIZ];
extern char *netdev_path;

extern void bop_no_more_mem(void);

/*PRINTFLIKE2*/
extern void bop_printf(struct bootops *, const char *, ...)
    __KPRINTFLIKE(2);

/*PRINTFLIKE1*/
extern void bop_panic(const char *, ...)
    __KPRINTFLIKE(1) __NORETURN;
#pragma rarely_called(bop_panic)

extern void boot_prop_finish(void);

extern int bootprop_getval(const char *, u_longlong_t *);

/*
 * Back door to fakebop.c to get physical memory allocated.
 * 64 bit data types are fixed for 32 bit PAE use.
 */
extern paddr_t do_bop_phys_alloc(uint64_t, uint64_t);

extern int do_bsys_getproplen(bootops_t *, const char *);
extern int do_bsys_getprop(bootops_t *, const char *, void *);

#endif /* _KERNEL && !_BOOT */

#ifdef __cplusplus
}
#endif

#endif  /* _SYS_BOOTCONF_H */