xref: /illumos-gate/usr/src/uts/i86pc/sys/machsystm.h (revision 46b592853d0f4f11781b6b0a7533f267c6aee132)
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 extern int mach_cpu_create_device_node(cpu_t *, dev_info_t **);
59 
60 extern int Cpudelay;
61 extern void setcpudelay(void);
62 
63 extern void send_dirint(int, int);
64 extern void siron(void);
65 extern void sir_on(int);
66 
67 extern void return_instr(void);
68 
69 extern int kcpc_hw_load_pcbe(void);
70 extern void kcpc_hw_init(cpu_t *cp);
71 extern void kcpc_hw_fini(cpu_t *cp);
72 extern int kcpc_hw_overflow_intr_installed;
73 
74 struct panic_trap_info {
75 	struct regs *trap_regs;
76 	uint_t trap_type;
77 	caddr_t trap_addr;
78 };
79 
80 struct memconf {
81 	pfn_t	mcf_spfn;	/* begin page frame number */
82 	pfn_t	mcf_epfn;	/* end page frame number */
83 };
84 
85 struct system_hardware {
86 	int		hd_nodes;		/* number of nodes */
87 	int		hd_cpus_per_node; 	/* max cpus in a node */
88 	struct memconf 	hd_mem[MAXNODES];
89 						/*
90 						 * memory layout for each
91 						 * node.
92 						 */
93 };
94 extern struct system_hardware system_hardware;
95 extern void get_system_configuration(void);
96 extern void mmu_init(void);
97 extern int cpuid2nodeid(int);
98 extern void map_kaddr(caddr_t, pfn_t, int, int);
99 
100 extern void memscrub_init(void);
101 extern void trap(struct regs *, caddr_t, processorid_t);
102 
103 extern void do_interrupt(struct regs *, trap_trace_rec_t *);
104 extern void memscrub_disable(void);
105 
106 /*
107  * Dispatcher hooks.
108  */
109 void    (*idle_cpu)();
110 void    (*non_deep_idle_cpu)();
111 void    (*disp_enq_thread)(cpu_t *, int);
112 void    (*non_deep_idle_disp_enq_thread)(cpu_t *, int);
113 
114 #ifndef __xpv
115 extern unsigned int microdata;
116 #endif
117 
118 extern int use_mp;
119 
120 extern struct cpu	cpus[];		/* pointer to other cpus */
121 extern struct cpu	*cpu[];		/* pointer to all cpus */
122 
123 extern int mach_cpucontext_init(void);
124 extern void mach_cpucontext_fini(void);
125 extern void *mach_cpucontext_alloc(struct cpu *);
126 extern void mach_cpucontext_free(struct cpu *, void *, int);
127 extern void rmp_gdt_init(rm_platter_t *);
128 
129 extern uintptr_t hole_start, hole_end;
130 
131 #define	INVALID_VADDR(a)	\
132 	(((a) >= (caddr_t)hole_start && (a) < (caddr_t)hole_end))
133 
134 /* kpm mapping window */
135 extern size_t   kpm_size;
136 extern uchar_t  kpm_size_shift;
137 extern caddr_t  kpm_vbase;
138 
139 struct memlist;
140 extern void memlist_add(uint64_t, uint64_t, struct memlist *,
141     struct memlist **);
142 extern page_t *page_get_physical(uintptr_t seed);
143 extern int linear_pc(struct regs *rp, proc_t *p, caddr_t *linearp);
144 extern int dtrace_linear_pc(struct regs *rp, proc_t *p, caddr_t *linearp);
145 
146 extern int force_shutdown_method;
147 
148 #ifdef __xpv
149 #include <sys/xen_mmu.h>
150 extern page_t *page_get_high_mfn(mfn_t);
151 #endif
152 
153 
154 #endif /* _KERNEL */
155 
156 #ifdef __cplusplus
157 }
158 #endif
159 
160 #endif	/* _SYS_MACHSYSTM_H */
161