1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#ifndef	_SYS_CPR_IMPL_H
27#define	_SYS_CPR_IMPL_H
28
29#pragma ident	"%Z%%M%	%I%	%E% SMI"
30
31#ifdef	__cplusplus
32extern "C" {
33#endif
34
35
36#ifndef _ASM
37
38#include <sys/processor.h>
39#include <sys/machparam.h>
40#include <sys/obpdefs.h>
41#include <sys/vnode.h>
42#include <sys/pte.h>
43
44/*
45 * This file contains machine dependent information for CPR
46 */
47#define	CPR_MACHTYPE_4U		0x3475		/* '4u' */
48
49/*
50 * Information about the pages allocated via prom_retain().
51 * Increase the number of CPR_PROM_RETAIN_CNT if more
52 * prom_retain() are called.
53 */
54#define	CPR_PROM_RETAIN_CNT	1
55#define	CPR_PANICBUF		0	/* prom_retain() for panicbuf */
56
57
58/*
59 * For 2.7 and later releases, sun4u cprboot is an ELF64 binary and must
60 * handle both ILP32 and LP64 kernels; while long and ptr sizes are fixed
61 * at 64-bits for cprboot these sizes are mixed between ILP32/LP64 kernels.
62 * To simplify handling of statefile data, we define fixed-size types for
63 * all sun4u kernels.
64 */
65typedef uint64_t cpr_ptr;
66typedef uint64_t cpr_ext;
67
68struct cpr_map_info {
69	cpr_ptr	virt;
70	cpr_ext	phys;
71	uint_t	size;
72};
73
74
75#define	CPR_MAX_TLB 16
76
77struct sun4u_tlb {
78	tte_t	tte;			/* tte data */
79	cpr_ptr va_tag;			/* virt tag */
80	int	index;			/* tlb index */
81	int	tmp;			/* clear during resume */
82};
83
84typedef struct sun4u_tlb sutlb_t;
85
86
87/*
88 * processor info
89 */
90struct sun4u_cpu_info {
91	pnode_t node;
92	processorid_t cpu_id;
93};
94
95
96/*
97 * This structure defines the fixed-length machine dependent data for
98 * sun4u ILP32 and LP64 systems.  It is followed in the state file by
99 * a variable length section of null-terminated prom forth words:
100 *
101 *    cpr_obp_tte_str	for translating kernel mappings, unix-tte
102 *
103 * The total length (fixed plus variable) of the machine-dependent
104 * section is stored in cpr_machdep_desc.md_size
105 *
106 * WARNING: make sure all CPR_MD_* below match this structure
107 */
108struct cpr_sun4u_machdep {
109	uint32_t ksb;			/* 0x00: kernel stack bias */
110	uint16_t kpstate;		/* 0x04: kernel pstate */
111	uint16_t kwstate;		/* 0x06: kernel wstate */
112	cpr_ptr thrp;			/* 0x08: current thread ptr */
113	cpr_ptr func;			/* 0x10: jumpback virt text addr */
114	cpr_ext qsav_pc;		/* 0x18: qsav pc */
115	cpr_ext qsav_sp;		/* 0x20: qsav sp */
116	int	mmu_ctx_pri;		/* 0x28: primary context */
117	int	mmu_ctx_sec;		/* 0x2c: secondary context */
118	cpr_ptr	tmp_stack;		/* 0x30: base of data page */
119	cpr_ext tmp_stacksize;		/* 0x38: leading area of data page */
120	int	test_mode;		/* 0x40 */
121	int	pad;			/* 0x44 */
122	sutlb_t	dtte[CPR_MAX_TLB];	/* 0x48 */
123	sutlb_t	itte[CPR_MAX_TLB];	/* 0x1c8 */
124	struct	sun4u_cpu_info sci[NCPU]; /* 0x348 */
125};
126typedef struct cpr_sun4u_machdep csu_md_t;
127
128#endif /* _ASM */
129
130
131/*
132 * XXX - these should be generated by a genassym,
133 * but that doesn't work well for shared psm/kernel use
134 */
135#define	CPR_MD_KSB		0x00
136#define	CPR_MD_KPSTATE		0x04
137#define	CPR_MD_KWSTATE		0x06
138#define	CPR_MD_THRP		0x08
139#define	CPR_MD_FUNC		0x10
140#define	CPR_MD_QSAV_PC		0x18
141#define	CPR_MD_QSAV_SP		0x20
142#define	CPR_MD_PRI		0x28
143#define	CPR_MD_SEC		0x2c
144
145
146#ifndef _ASM
147
148#define	CPRBOOT		"-F cprboot"
149
150#define	PN_TO_ADDR(pn)  ((u_longlong_t)(pn) << MMU_PAGESHIFT)
151#define	ADDR_TO_PN(pa)	((pa) >> MMU_PAGESHIFT)
152
153#define	prom_map_plat(addr, pa, size) \
154	if (prom_map(addr, pa, size) == 0) { \
155		prom_printf("PROM_MAP failed: paddr=0x%lx\n", pa); \
156		return (-1); \
157	}
158
159typedef	u_longlong_t	physaddr_t;
160
161extern void i_cpr_machdep_setup(void);
162extern void i_cpr_save_machdep_info(void);
163extern void i_cpr_enable_intr(void);
164extern void i_cpr_set_tbr(void);
165extern void i_cpr_stop_intr(void);
166extern void i_cpr_handle_xc(int);
167extern void i_cpr_resume_setup(void *, csu_md_t *);
168extern int i_cpr_write_machdep(vnode_t *);
169extern int i_cpr_prom_pages(int);
170extern int i_cpr_reuseinit(void);
171extern int i_cpr_reusefini(void);
172extern int i_cpr_check_cprinfo(void);
173extern int i_cpr_reusable_supported(void);
174
175#endif /* _ASM */
176
177#ifdef	__cplusplus
178}
179#endif
180
181#endif	/* _SYS_CPR_IMPL_H */
182