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/*
* 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 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _CPRBOOT_H
#define _CPRBOOT_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
/*
* defs for sun4u cprboot
*/
/*
* select virt ranges well past _end;
* these ranges are used for tmp tlb entries
*
* CB_SRC_VIRT source statefile buffer pages
* CB_DST_VIRT destination kernel pages
* CB_STACK_VIRT new stack
* CB_HIGH_VIRT ...and above for the bitmap and co.
*/
#define CB_SRC_VIRT 0x200000
#define CB_DST_VIRT 0x300000
#define CB_STACK_VIRT 0x400000
#define CB_HIGH_VIRT 0x500000
/*
* master cpu and slave cpu stack sizes
* their sum should be (n * MMU_PAGESIZE)
*/
#define CB_MSS 0x009000
#define CB_SSS 0x001000
#define CB_STACK_SIZE (CB_MSS + CB_SSS)
/*
* max number of tlb entries and tmp pages for
* src statefile buf pages and dst kernel pages
*/
#define CB_MAX_KPAGES mmu_btop(CPR_MAX_BLOCK)
#define CB_MAX_BPAGES (CB_MAX_KPAGES + 1)
#define ERR -1
#ifndef _ASM
#define CB_VPRINTF(args) \
if (verbose) prom_printf args
#define CB_VENTRY(name) \
CB_VPRINTF((ent_fmt, #name, entry))
#define NULLP (char *)0
#define CPR_DBG(n) (cpr_debug & CPR_DEBUG##n)
/*
* info for handling statefile data
*/
struct statefile {
int fd; /* prom file handle */
int kpages; /* total number of kernel pages */
size_t size; /* file size, rounded for alloc */
caddr_t buf; /* allocated file buffer */
size_t buf_offset; /* byte offset from buf */
uint_t *buf_map; /* map of buf phys page numbers */
pfn_t low_ppn; /* lowest buf ppn */
pfn_t high_ppn; /* highest buf ppn */
int npages; /* nubmer of pages restored */
int ngroups; /* number of page groups restored */
int outside; /* kpage is outside of buf range */
int precede; /* kpage preceeds buf offset */
int move; /* number of buf pages moved */
int recycle; /* free tmp page for reuse */
};
/*
* convert a statefile buffer byte-offset into a buffer ppn;
* buf_map starts out as an identity map, and gets updated as
* pages are moved; the original ppn can always be derived
* from the ORIG macro:
*/
#define SF_BUF_PPN(off) *(sfile.buf_map + mmu_btop(off))
#define SF_ORIG_PPN(off) sfile.low_ppn + mmu_btop(off)
#define SF_SAME_PPN(off) (SF_BUF_PPN(off) == SF_ORIG_PPN(off))
#define SF_DIFF_PPN(off) (SF_BUF_PPN(off) != SF_ORIG_PPN(off))
#define SF_STAT_INC(field) sfile.field++
/*
* next data in statefile buffer
*/
#define SF_DATA() sfile.buf + sfile.buf_offset
/*
* advance statefile buffer offset
*/
#define SF_ADV(len) sfile.buf_offset += len
/*
* struct data is written to the statefile without any alignment
* handling; for easy access, struct data gets copied to aligned
* space and the buf data pointer is advanced
*/
#define SF_DCOPY(space) \
bcopy(SF_DATA(), &space, sizeof (space)); \
SF_ADV(sizeof (space))
/*
* structure of "available" property from /memory node
*/
struct prom_physavail {
physaddr_t base; /* start of phys range */
size_t size; /* size of phys range */
};
struct avail_range {
pfn_t low;
pfn_t high;
pgcnt_t nfree;
};
typedef struct prom_physavail pphav_t;
typedef struct avail_range arange_t;
/*
* prom properties and data
*/
struct cb_props {
caddr_t prop;
uint_t *datap;
};
/*
* ../../common/support.c
*/
extern int cpr_reset_properties(void);
extern int cpr_locate_statefile(char *, char *);
extern void cpr_update_terminator(ctrm_t *, caddr_t);
/*
* cprboot.c
*/
extern struct statefile sfile;
extern char prog[];
extern char rsvp[];
extern char entry[];
extern char ent_fmt[];
extern int verbose;
extern uint_t cb_dents;
extern uint_t cb_msec;
extern char *volname;
/*
* machdep.c
*/
extern int cpr_test_mode;
extern csu_md_t mdinfo;
extern uint_t cpu_delay;
extern uint_t cb_mid;
extern uint_t cb_clock_freq;
extern int cb_check_machdep(void);
extern int cb_interpret(void);
extern int cb_ksetup(void);
extern int cb_mpsetup(void);
extern void slave_init(int);
/*
* pages.c
*/
extern int cb_restore_kpages(void);
extern int cb_terminator(void);
/*
* bitmap.c
*/
extern int cb_nbitmaps;
extern pfn_t find_apage(void);
extern int cb_set_bitmap(void);
extern int cb_get_newstack(void);
extern int cb_tracking_setup(void);
extern int cb_get_physavail(void);
extern int cb_relocate(void);
/*
* util.c
*/
extern int cpr_statefile_open(char *, char *);
extern int cpr_statefile_close(int);
extern int cpr_read(int, caddr_t, size_t);
extern void cb_spin(void);
extern pfn_t cpr_vatopfn(caddr_t);
extern int prom_remap(size_t, caddr_t, physaddr_t);
extern void install_remap(void);
extern int cb_alloc(size_t, uint_t, caddr_t *, physaddr_t *);
extern int cb_mountroot(void);
extern int cb_unmountroot(void);
extern int cb_get_props(void);
extern void cb_mapin(caddr_t, pfn_t, uint_t, uint_t, uint_t);
extern int cb_usb_setup(void);
extern void cb_enter_mon(void);
extern void cb_exit_to_mon(void);
extern int cpr_fs_close(int);
extern int cpr_fs_volopen(char *);
extern int cpr_fs_open(char *);
extern int cpr_fs_read(int, char *, int);
extern int cpr_fs_seek(int, offset_t);
extern int cpr_read(int, char *, size_t);
/*
* cb_srt0.s
*/
extern caddr_t _end[];
extern void *estack;
extern void _start(void *, ...);
extern void exit_to_kernel(void *, csu_md_t *);
extern void bzero(void *, size_t);
extern void phys_xcopy(physaddr_t, physaddr_t, size_t);
extern void ptov_bcopy(physaddr_t, void *, size_t);
extern void get_dtlb_entry(int, caddr_t *, tte_t *);
extern void set_dtlb_entry(int, caddr_t, tte_t *);
extern void set_itlb_entry(int, caddr_t, tte_t *);
extern void cpu_launch(int);
extern void cb_usec_wait(int);
extern void membar_stld(void);
extern uint_t getmid(void);
#endif /* !_ASM */
#ifdef __cplusplus
}
#endif
#endif /* _CPRBOOT_H */
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