xref: /titanic_44/usr/src/uts/i86pc/sys/machsystm.h (revision e5ba14ff435beeefdaa2e6649e175c74afe02c76)
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 2007 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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 /*
33  * Numerous platform-dependent interfaces that don't seem to belong
34  * in any other header file.
35  *
36  * This file should not be included by code that purports to be
37  * platform-independent.
38  *
39  */
40 
41 #include <sys/machparam.h>
42 #include <sys/varargs.h>
43 #include <sys/thread.h>
44 #include <sys/cpuvar.h>
45 #include <sys/privregs.h>
46 #include <sys/systm.h>
47 #include <sys/traptrace.h>
48 #include <vm/page.h>
49 
50 #ifdef __cplusplus
51 extern "C" {
52 #endif
53 
54 #ifdef _KERNEL
55 
56 extern void mach_cpu_idle(void);
57 extern void mach_cpu_halt(char *);
58 extern int mach_cpu_start(cpu_t *, void *);
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 #ifndef __xpv
107 extern unsigned int microdata;
108 #endif
109 
110 extern int use_mp;
111 
112 extern struct cpu	cpus[];		/* pointer to other cpus */
113 extern struct cpu	*cpu[];		/* pointer to all cpus */
114 
115 extern int mach_cpucontext_init(void);
116 extern void mach_cpucontext_fini(void);
117 extern void *mach_cpucontext_alloc(struct cpu *);
118 extern void mach_cpucontext_free(struct cpu *, void *, int);
119 
120 extern uintptr_t hole_start, hole_end;
121 
122 #define	INVALID_VADDR(a)	\
123 	(((a) >= (caddr_t)hole_start && (a) < (caddr_t)hole_end))
124 
125 /* kpm mapping window */
126 extern size_t   kpm_size;
127 extern uchar_t  kpm_size_shift;
128 extern caddr_t  kpm_vbase;
129 
130 struct memlist;
131 extern void memlist_add(uint64_t, uint64_t, struct memlist *,
132     struct memlist **);
133 extern page_t *page_get_physical(uintptr_t);
134 extern int linear_pc(struct regs *rp, proc_t *p, caddr_t *linearp);
135 extern int dtrace_linear_pc(struct regs *rp, proc_t *p, caddr_t *linearp);
136 
137 #ifdef __xpv
138 #include <sys/xen_mmu.h>
139 extern page_t *page_get_high_mfn(mfn_t);
140 #endif
141 
142 
143 #endif /* _KERNEL */
144 
145 #ifdef __cplusplus
146 }
147 #endif
148 
149 #endif	/* _SYS_MACHSYSTM_H */
150