xref: /titanic_50/usr/src/uts/sun4v/sys/error.h (revision 2722387f30847b828b57ba9ca59d2b47ee9244ec)
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	_ERROR_H
27 #define	_ERROR_H
28 
29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
30 
31 #ifdef __cplusplus
32 extern "C" {
33 #endif
34 
35 /*
36  * Resumable and Non-resumable queues
37  */
38 #define	CPU_RQ_ENTRIES		64
39 #define	MAX_CPU_RQ_ENTRIES	128
40 
41 #define	CPU_NRQ_ENTRIES		4
42 #define	MAX_CPU_NRQ_ENTRIES	4
43 
44 #define	Q_ENTRY_SIZE		64
45 
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 #define	ERRH_DESC_WARN_RE	4	/* Power-off for vBSC HostShutdown() */
57 #define	ERRH_DESC_USER_DCORE	5	/* User initiated panic */
58 
59 /*
60  * Sun4v Error Report Error Attributes specifies the attributes of the error
61  */
62 #define	ERRH_ATTR_CPU		0x00000001
63 #define	ERRH_ATTR_MEM		0x00000002
64 #define	ERRH_ATTR_PIO		0x00000004
65 #define	ERRH_ATTR_IRF		0x00000008	/* Integer register file */
66 /* Floating-point register file */
67 #define	ERRH_ATTR_FRF		0x00000010
68 #define	ERRH_ATTR_SHUT		0x00000020	/* Shutdown request */
69 #define	ERRH_ATTR_ASR		0x00000040	/* Sun4v ASR */
70 #define	ERRH_ATTR_ASI		0x00000080	/* Sun4v ASI */
71 #define	ERRH_ATTR_PREG		0x00000100	/* Sun4v Privileged Register */
72 #define	ERRH_ATTR_RQF		0x80000000	/* Resumablee Queue Full */
73 
74 /*
75  * For Excution mode
76  */
77 #define	ERRH_MODE_MASK		0x03000000
78 #define	ERRH_MODE_SHIFT		24
79 #define	ERRH_MODE_UNKNOWN	0
80 #define	ERRH_MODE_USER		1
81 #define	ERRH_MODE_PRIV		2
82 
83 /*
84  * ASR register number
85  */
86 #define	ASR_REG_VALID		0x8000	/* Valid bit for register field */
87 #define	ASR_REG_TICK		0x17	/* Tick Compare Register */
88 
89 /*
90  * For the second argument passed to process_nonresumable_error(), it is
91  * an uint64_t. The upper 32 bits are reserved for various flags, the
92  * lower 32 bits are used to pass the "current tl-1". Right now only bit
93  * 32 in the upper 32 bits is being used as user's fill/spill flag.
94  * If bit 32 is set, it means the first error in the error
95  * queue happened in user fill/spill trap and it needs to be handled
96  * differently.
97  *
98  * -Argument 2 of process_nonresumable_error()
99  *    ----------------------------------------------
100  *    |  reserved        |x|  current_tl - 1       |
101  *    ----------------------------------------------
102  *    63                 32 31                     0
103  * x - bit 32, user fill/spill trap flag
104  */
105 #define	ERRH_U_SPILL_FILL		0x100000000
106 #define	ERRH_U_SPILL_FILL_SHIFT		32
107 #define	ERRH_TL_MASK			0xffffffff
108 
109 #ifndef	_ASM
110 /*
111  * For debug print out
112  */
113 #define	ER_SZ_IN_EXT_WORD	(Q_ENTRY_SIZE / sizeof (uint64_t))
114 
115 /*
116  * Sun4v Error Report record
117  */
118 typedef	struct {
119 	uint64_t	ehdl;		/* Unique error handle */
120 	uint64_t	stick;		/* Value of the %STICK register */
121 	uint32_t	desc;		/* Error Descriptor */
122 	uint32_t	attr;		/* error attributes bit field */
123 	uint64_t	ra;		/* Real address */
124 	uint32_t	sz;		/* Size of affected mem region */
125 	uint16_t	cpuid;		/* Virtual ID of the affected CPU */
126 	uint16_t	secs;		/* Seconds */
127 	uint8_t		asi;		/* ASI */
128 	uint8_t		rsvd;		/* Padding for ASI */
129 	uint16_t	reg;		/* Value of the ASR register number */
130 } errh_er_t;
131 
132 typedef struct errh_async_flt {
133 	struct async_flt 	cmn_asyncflt;	/* common fault structure */
134 	errh_er_t		errh_er;	/* sun4v er record */
135 } errh_async_flt_t;
136 
137 /*
138  * Global functions
139  */
140 void mem_scrub(uint64_t, uint64_t);
141 void errh_cpu_run_bus_error_handlers(struct async_flt *, int);
142 void error_init(void);
143 void cpu_async_log_err(void *);
144 void cpu_ce_log_err(struct async_flt *);
145 void cpu_ue_log_err(struct async_flt *);
146 uint64_t mem_sync(caddr_t, size_t);
147 
148 #endif	/* _ASM */
149 
150 #ifdef __cplusplus
151 }
152 #endif
153 
154 #endif /* _ERROR_H */
155