xref: /titanic_52/usr/src/uts/i86pc/sys/machcpuvar.h (revision d6bca47d04aa5f30dbe79ba4691488f5f26f631e)
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 2006 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #ifndef	_SYS_MACHCPUVAR_H
27 #define	_SYS_MACHCPUVAR_H
28 
29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
30 
31 #ifdef	__cplusplus
32 extern "C" {
33 #endif
34 
35 #include <sys/inttypes.h>
36 #include <sys/xc_levels.h>
37 #include <sys/tss.h>
38 #include <sys/segments.h>
39 #include <sys/rm_platter.h>
40 #include <sys/avintr.h>
41 #include <sys/mmu.h>
42 #include <sys/pte.h>
43 
44 #ifndef	_ASM
45 /*
46  * Machine specific fields of the cpu struct
47  * defined in common/sys/cpuvar.h.
48  *
49  * Note:  This is kinda kludgy but seems to be the best
50  * of our alternatives.
51  */
52 typedef void *cpu_pri_lev_t;
53 
54 struct cpuid_info;
55 struct cmi;
56 
57 struct	machcpu {
58 	/* define all the x_call stuff */
59 	volatile int	xc_pend[X_CALL_LEVELS];
60 	volatile int	xc_wait[X_CALL_LEVELS];
61 	volatile int	xc_ack[X_CALL_LEVELS];
62 	volatile int	xc_state[X_CALL_LEVELS];
63 	volatile int	xc_retval[X_CALL_LEVELS];
64 
65 	int		mcpu_nodeid;		/* node-id */
66 	int		mcpu_pri;		/* CPU priority */
67 	cpu_pri_lev_t	mcpu_pri_data;		/* ptr to machine dependent */
68 						/* data for setting priority */
69 						/* level */
70 
71 	struct hat	*mcpu_current_hat; /* cpu's current hat */
72 
73 	struct hat_cpu_info	*mcpu_hat_info;
74 
75 	/* i86 hardware table addresses that cannot be shared */
76 	user_desc_t	*mcpu_gdt;	/* GDT */
77 	gate_desc_t	*mcpu_idt;	/* IDT */
78 	struct tss	*mcpu_tss;	/* TSS */
79 
80 	struct	cpu_tables *mcpu_cp_tables;	/* pointer to space acquired */
81 						/* while starting up */
82 						/* auxillary processors */
83 	kmutex_t	mcpu_ppaddr_mutex;
84 
85 	caddr_t		mcpu_caddr1;	/* per cpu CADDR1 */
86 	caddr_t		mcpu_caddr2;	/* per cpu CADDR2 */
87 	void		*mcpu_caddr1pte;
88 	void		*mcpu_caddr2pte;
89 	struct softint mcpu_softinfo;
90 	uint64_t	pil_high_start[HIGH_LEVELS];
91 	uint64_t	intrstat[PIL_MAX + 1][2];
92 	struct cpuid_info	 *mcpu_cpi;
93 	struct cmi	*mcpu_cmi;	/* CPU module state */
94 	void		*mcpu_cmidata;
95 #if defined(__amd64)
96 	greg_t	mcpu_rtmp_rsp;		/* syscall: temporary %rsp stash */
97 	greg_t	mcpu_rtmp_r15;		/* syscall: temporary %r15 stash */
98 #endif
99 };
100 
101 #define	NINTR_THREADS	(LOCK_LEVEL-1)	/* number of interrupt threads */
102 
103 #endif	/* _ASM */
104 
105 #define	cpu_nodeid cpu_m.mcpu_nodeid
106 #define	cpu_pri cpu_m.mcpu_pri
107 #define	cpu_pri_data cpu_m.mcpu_pri_data
108 #define	cpu_current_hat cpu_m.mcpu_current_hat
109 #define	cpu_hat_info cpu_m.mcpu_hat_info
110 #define	cpu_ppaddr_mutex cpu_m.mcpu_ppaddr_mutex
111 #define	cpu_gdt cpu_m.mcpu_gdt
112 #define	cpu_idt cpu_m.mcpu_idt
113 #define	cpu_tss cpu_m.mcpu_tss
114 #define	cpu_ldt cpu_m.mcpu_ldt
115 #define	cpu_caddr1 cpu_m.mcpu_caddr1
116 #define	cpu_caddr2 cpu_m.mcpu_caddr2
117 #define	cpu_softinfo cpu_m.mcpu_softinfo
118 #define	cpu_caddr1pte cpu_m.mcpu_caddr1pte
119 #define	cpu_caddr2pte cpu_m.mcpu_caddr2pte
120 
121 #ifdef	__cplusplus
122 }
123 #endif
124 
125 #endif	/* _SYS_MACHCPUVAR_H */
126