xref: /titanic_44/usr/src/uts/i86pc/sys/machsystm.h (revision 47e946e784719ae402ace34695f67b0e6e76ae5c)
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 /*
23  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef _SYS_MACHSYSTM_H
28 #define	_SYS_MACHSYSTM_H
29 
30 /*
31  * Numerous platform-dependent interfaces that don't seem to belong
32  * in any other header file.
33  *
34  * This file should not be included by code that purports to be
35  * platform-independent.
36  *
37  */
38 
39 #include <sys/machparam.h>
40 #include <sys/varargs.h>
41 #include <sys/thread.h>
42 #include <sys/cpuvar.h>
43 #include <sys/privregs.h>
44 #include <sys/systm.h>
45 #include <sys/traptrace.h>
46 #include <vm/page.h>
47 
48 #ifdef __cplusplus
49 extern "C" {
50 #endif
51 
52 #ifdef _KERNEL
53 
54 extern void mach_cpu_idle(void);
55 extern void mach_cpu_halt(char *);
56 extern int mach_cpu_start(cpu_t *, void *);
57 extern int mach_cpuid_start(processorid_t, void *);
58 
59 extern int Cpudelay;
60 extern void setcpudelay(void);
61 
62 extern void send_dirint(int, int);
63 extern void siron(void);
64 extern void sir_on(int);
65 
66 extern void return_instr(void);
67 
68 extern int kcpc_hw_load_pcbe(void);
69 extern void kcpc_hw_init(cpu_t *cp);
70 extern void kcpc_hw_fini(cpu_t *cp);
71 extern int kcpc_hw_overflow_intr_installed;
72 
73 struct panic_trap_info {
74 	struct regs *trap_regs;
75 	uint_t trap_type;
76 	caddr_t trap_addr;
77 };
78 
79 struct memconf {
80 	pfn_t	mcf_spfn;	/* begin page frame number */
81 	pfn_t	mcf_epfn;	/* end page frame number */
82 };
83 
84 struct system_hardware {
85 	int		hd_nodes;		/* number of nodes */
86 	int		hd_cpus_per_node; 	/* max cpus in a node */
87 	struct memconf 	hd_mem[MAXNODES];
88 						/*
89 						 * memory layout for each
90 						 * node.
91 						 */
92 };
93 extern struct system_hardware system_hardware;
94 extern void get_system_configuration(void);
95 extern void mmu_init(void);
96 extern int cpuid2nodeid(int);
97 extern void map_kaddr(caddr_t, pfn_t, int, int);
98 
99 extern void memscrub_init(void);
100 extern void trap(struct regs *, caddr_t, processorid_t);
101 
102 extern void do_interrupt(struct regs *, trap_trace_rec_t *);
103 extern void memscrub_disable(void);
104 
105 /*
106  * Dispatcher hooks.
107  */
108 void    (*idle_cpu)();
109 void    (*non_deep_idle_cpu)();
110 void    (*disp_enq_thread)(cpu_t *, int);
111 void    (*non_deep_idle_disp_enq_thread)(cpu_t *, int);
112 
113 #ifndef __xpv
114 extern unsigned int microdata;
115 #endif
116 
117 extern int use_mp;
118 
119 extern struct cpu	cpus[];		/* pointer to other cpus */
120 extern struct cpu	*cpu[];		/* pointer to all cpus */
121 
122 extern int mach_cpucontext_init(void);
123 extern void mach_cpucontext_fini(void);
124 extern void *mach_cpucontext_alloc(struct cpu *);
125 extern void mach_cpucontext_free(struct cpu *, void *, int);
126 extern void rmp_gdt_init(rm_platter_t *);
127 
128 extern uintptr_t hole_start, hole_end;
129 
130 #define	INVALID_VADDR(a)	\
131 	(((a) >= (caddr_t)hole_start && (a) < (caddr_t)hole_end))
132 
133 /* kpm mapping window */
134 extern size_t   kpm_size;
135 extern uchar_t  kpm_size_shift;
136 extern caddr_t  kpm_vbase;
137 
138 struct memlist;
139 extern void memlist_add(uint64_t, uint64_t, struct memlist *,
140     struct memlist **);
141 extern page_t *page_get_physical(uintptr_t seed);
142 extern int linear_pc(struct regs *rp, proc_t *p, caddr_t *linearp);
143 extern int dtrace_linear_pc(struct regs *rp, proc_t *p, caddr_t *linearp);
144 
145 extern int force_shutdown_method;
146 
147 #ifdef __xpv
148 #include <sys/xen_mmu.h>
149 extern page_t *page_get_high_mfn(mfn_t);
150 #endif
151 
152 
153 #endif /* _KERNEL */
154 
155 #ifdef __cplusplus
156 }
157 #endif
158 
159 #endif	/* _SYS_MACHSYSTM_H */
160