xref: /titanic_50/usr/src/uts/i86pc/sys/machcpuvar.h (revision c5c4113dfcabb1eed3d4bdf7609de5170027a794)
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_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/pte.h>
42 
43 #ifndef	_ASM
44 /*
45  * Machine specific fields of the cpu struct
46  * defined in common/sys/cpuvar.h.
47  *
48  * Note:  This is kinda kludgy but seems to be the best
49  * of our alternatives.
50  */
51 typedef void *cpu_pri_lev_t;
52 
53 struct cpuid_info;
54 struct cmi;
55 
56 struct	machcpu {
57 	/* define all the x_call stuff */
58 	volatile int	xc_pend[X_CALL_LEVELS];
59 	volatile int	xc_wait[X_CALL_LEVELS];
60 	volatile int	xc_ack[X_CALL_LEVELS];
61 	volatile int	xc_state[X_CALL_LEVELS];
62 	volatile int	xc_retval[X_CALL_LEVELS];
63 
64 	int		mcpu_nodeid;		/* node-id */
65 	int		mcpu_pri;		/* CPU priority */
66 	cpu_pri_lev_t	mcpu_pri_data;		/* ptr to machine dependent */
67 						/* data for setting priority */
68 						/* level */
69 
70 	struct hat	*mcpu_current_hat; /* cpu's current hat */
71 
72 	struct hat_cpu_info	*mcpu_hat_info;
73 
74 	volatile ulong_t	mcpu_tlb_info;
75 
76 	/* i86 hardware table addresses that cannot be shared */
77 
78 	user_desc_t	*mcpu_gdt;	/* GDT */
79 	gate_desc_t	*mcpu_idt;	/* current IDT */
80 
81 	struct tss	*mcpu_tss;	/* TSS */
82 
83 	kmutex_t	mcpu_ppaddr_mutex;
84 	caddr_t		mcpu_caddr1;	/* per cpu CADDR1 */
85 	caddr_t		mcpu_caddr2;	/* per cpu CADDR2 */
86 	uint64_t	mcpu_caddr1pte;
87 	uint64_t	mcpu_caddr2pte;
88 
89 	struct softint	mcpu_softinfo;
90 	uint64_t	pil_high_start[HIGH_LEVELS];
91 	uint64_t	intrstat[PIL_MAX + 1][2];
92 
93 	struct cpuid_info	 *mcpu_cpi;
94 
95 	struct cmi	*mcpu_cmi;	/* CPU module state */
96 	void		*mcpu_cmidata;
97 #if defined(__amd64)
98 	greg_t	mcpu_rtmp_rsp;		/* syscall: temporary %rsp stash */
99 	greg_t	mcpu_rtmp_r15;		/* syscall: temporary %r15 stash */
100 #endif
101 
102 	struct vcpu_info *mcpu_vcpu_info;
103 	uint64_t	mcpu_gdtpa;	/* xen: GDT in physical address */
104 
105 	uint16_t mcpu_intr_pending;	/* xen: pending interrupt levels */
106 
107 	volatile uint32_t *mcpu_mwait;	/* MONITOR/MWAIT buffer */
108 };
109 
110 #define	NINTR_THREADS	(LOCK_LEVEL-1)	/* number of interrupt threads */
111 #define	MWAIT_HALTED	(1)		/* mcpu_mwait set when halting */
112 #define	MWAIT_RUNNING	(0)		/* mcpu_mwait set to wakeup */
113 #define	MWAIT_WAKEUP(cpu)	(*((cpu)->cpu_m.mcpu_mwait) = MWAIT_RUNNING);
114 
115 #endif	/* _ASM */
116 
117 /* Please DON'T add any more of this namespace-poisoning sewage here */
118 
119 #define	cpu_nodeid cpu_m.mcpu_nodeid
120 #define	cpu_pri cpu_m.mcpu_pri
121 #define	cpu_pri_data cpu_m.mcpu_pri_data
122 #define	cpu_current_hat cpu_m.mcpu_current_hat
123 #define	cpu_hat_info cpu_m.mcpu_hat_info
124 #define	cpu_ppaddr_mutex cpu_m.mcpu_ppaddr_mutex
125 #define	cpu_gdt cpu_m.mcpu_gdt
126 #define	cpu_idt cpu_m.mcpu_idt
127 #define	cpu_tss cpu_m.mcpu_tss
128 #define	cpu_ldt cpu_m.mcpu_ldt
129 #define	cpu_caddr1 cpu_m.mcpu_caddr1
130 #define	cpu_caddr2 cpu_m.mcpu_caddr2
131 #define	cpu_softinfo cpu_m.mcpu_softinfo
132 #define	cpu_caddr1pte cpu_m.mcpu_caddr1pte
133 #define	cpu_caddr2pte cpu_m.mcpu_caddr2pte
134 
135 #ifdef	__cplusplus
136 }
137 #endif
138 
139 #endif	/* _SYS_MACHCPUVAR_H */
140