xref: /titanic_51/usr/src/uts/sun4v/sys/error.h (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_ERROR_H
28 #define	_ERROR_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #ifdef __cplusplus
33 extern "C" {
34 #endif
35 
36 #define	CPU_RQ_ENTRIES		64
37 #define	CPU_NRQ_ENTRIES		64
38 
39 
40 /*
41  * Resumable and Non-resumable queues
42  */
43 #define	CPU_RQ			0x3e
44 #define	CPU_NRQ			0x3f
45 #define	Q_ENTRY_SIZE		64
46 #define	CPU_RQ_SIZE		(CPU_RQ_ENTRIES * Q_ENTRY_SIZE)
47 #define	CPU_NRQ_SIZE		(CPU_NRQ_ENTRIES * Q_ENTRY_SIZE)
48 
49 /*
50  * Sun4v Error Report error Descriptor describes the type of the error
51  */
52 #define	ERRH_DESC_UNDEFINED	0	/* Undefined */
53 #define	ERRH_DESC_UCOR_RE	1	/* Uncorrected resumable error */
54 #define	ERRH_DESC_PR_NRE	2	/* Precise non-resumable error */
55 #define	ERRH_DESC_DEF_NRE	3	/* Deferred non-resumalbe error */
56 
57 /*
58  * Sun4v Error Report Error Attributes specifies the attributes of the error
59  */
60 #define	ERRH_ATTR_CPU		0x00000001
61 #define	ERRH_ATTR_MEM		0x00000002
62 #define	ERRH_ATTR_PIO		0x00000004
63 #define	ERRH_ATTR_IRF		0x00000008	/* Integer register file */
64 /* Floating-point register file */
65 #define	ERRH_ATTR_FRF		0x00000010
66 #define	ERRH_ATTR_RQF		0x80000000	/* Resumablee Queue Full */
67 
68 /*
69  * For Excution mode
70  */
71 #define	ERRH_MODE_MASK		0x03000000
72 #define	ERRH_MODE_SHIFT		24
73 #define	ERRH_MODE_UNKNOWN	0
74 #define	ERRH_MODE_USER		1
75 #define	ERRH_MODE_PRIV		2
76 
77 #ifndef	_ASM
78 /*
79  * For debug print out
80  */
81 #define	ER_SZ_IN_EXT_WORD	(Q_ENTRY_SIZE / sizeof (uint64_t))
82 
83 /*
84  * Sun4v Error Report record
85  */
86 typedef	struct {
87 	uint64_t	ehdl;		/* Unique error handle */
88 	uint64_t	stick;		/* Value of the %STICK register */
89 	uint32_t	desc;		/* Error Descriptor */
90 	uint32_t	attr;		/* error attributes bit field */
91 	uint64_t	ra;		/* Real address */
92 	uint32_t	sz;		/* Size of affected mem region */
93 	uint16_t	cpuid;		/* Virtual ID of the affected CPU */
94 } errh_er_t;
95 
96 typedef struct errh_async_flt {
97 	struct async_flt 	cmn_asyncflt;	/* common fault structure */
98 	errh_er_t		errh_er;	/* sun4v er record */
99 } errh_async_flt_t;
100 
101 /*
102  * Global functions
103  */
104 void mem_scrub(uint64_t, uint64_t);
105 void errh_cpu_run_bus_error_handlers(struct async_flt *, int);
106 void error_init(void);
107 void cpu_async_log_err(void *);
108 void cpu_ce_log_err(struct async_flt *);
109 void cpu_ue_log_err(struct async_flt *);
110 void mem_sync(caddr_t, size_t);
111 
112 #endif	/* _ASM */
113 
114 #ifdef __cplusplus
115 }
116 #endif
117 
118 #endif /* _ERROR_H */
119