Initial commit of OpenSPARC T2 architecture model.
[OpenSPARC-T2-SAM] / hypervisor / src / greatlakes / common / include / errs_common.h
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1/*
2* ========== Copyright Header Begin ==========================================
3*
4* Hypervisor Software File: errs_common.h
5*
6* Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
7*
8* - Do no alter or remove copyright notices
9*
10* - Redistribution and use of this software in source and binary forms, with
11* or without modification, are permitted provided that the following
12* conditions are met:
13*
14* - Redistribution of source code must retain the above copyright notice,
15* this list of conditions and the following disclaimer.
16*
17* - Redistribution in binary form must reproduce the above copyright notice,
18* this list of conditions and the following disclaimer in the
19* documentation and/or other materials provided with the distribution.
20*
21* Neither the name of Sun Microsystems, Inc. or the names of contributors
22* may be used to endorse or promote products derived from this software
23* without specific prior written permission.
24*
25* This software is provided "AS IS," without a warranty of any kind.
26* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
27* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
28* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
29* MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
30* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
31* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN
32* OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR
33* FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
34* DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
35* ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
36* SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
37*
38* You acknowledge that this software is not designed, licensed or
39* intended for use in the design, construction, operation or maintenance of
40* any nuclear facility.
41*
42* ========== Copyright Header End ============================================
43*/
44/*
45 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
46 * Use is subject to license terms.
47 */
48
49#ifndef _ERRS_COMMON_H
50#define _ERRS_COMMON_H
51
52#pragma ident "@(#)errs_common.h 1.6 07/05/03 SMI"
53
54#ifdef __cplusplus
55extern "C" {
56#endif
57
58/*
59 * Guest error report: Error Handle (ehdl) encoding
60 * The error handle is 64 bits long. It will be used to generate a
61 * unique error handle. Each strand has an incremental value.
62 *
63 * 63 56 55 52 51 0
64 * ----------------------------------------------------------------------
65 * | PHYS CPU ID | TL | incrmt num |
66 * ----------------------------------------------------------------------
67 */
68#define EHDL_TL_BITS 4
69#define EHDL_SEQ_MASK 0x000FFFFFFFFFFFFF
70#define EHDL_SEQ_MASK_SHIFT 12 /* use this strip off upper bits */
71#define EHDL_CPUTL_SHIFT 52
72
73#define ERPT_TYPE_CPU 0x1
74#define ERPT_TYPE_VPCI 0x2
75
76/*
77 * in:
78 *
79 * out:
80 * scr1 -> unique error sequence
81 *
82 */
83/* BEGIN CSTYLED */
84#define GEN_SEQ_NUMBER(scr1, scr2) \
85 STRAND_STRUCT(scr2); ;\
86 ldx [scr2 + STRAND_ERR_SEQ_NO], scr1 /* get current seq# */ ;\
87 add scr1, 1, scr1 /* new seq# */ ;\
88 stx scr1, [scr2 + STRAND_ERR_SEQ_NO] /* update seq# */ ;\
89 sllx scr1, EHDL_SEQ_MASK_SHIFT, scr1 ;\
90 srlx scr1, EHDL_SEQ_MASK_SHIFT, scr1 /* scr1 = normalized seq# */;\
91 ldub [scr2 + STRAND_ID], scr2 /* scr2 has CPUID */ ;\
92 sllx scr2, EHDL_TL_BITS, scr2 /* scr2 << EHDL_TL_BITS */;\
93 sllx scr2, EHDL_CPUTL_SHIFT, scr2 /* scr2 now has cpuid in 63:56 */ ;\
94 or scr2, scr1, scr1 /* scr1 now has ehdl without tl */ ;\
95 rdpr %tl, scr2 /* scr2 = %tl */ ;\
96 sllx scr2, EHDL_CPUTL_SHIFT, scr2 /* scr2 tl in position */;\
97 or scr2, scr1, scr1 /* scr1 -> ehdl */
98/* END CSTYLED */
99
100/*
101 * A error channel packet gets sent to the vbsc with the PA and size
102 * pointing the location of the bulk data.
103 * HV obtains the PA and the Size avail from the PDs. They correspond
104 * to a location in sram.
105 *
106 * There is only 1 sram error buffer per system, so it needs to be shared
107 * across cpus, fire leaves, and guests.
108 * The err_buf_inuse flag on the config struct is used for this purpose.
109 * The following flag defines the sram error buffer as busy.
110 *
111 */
112#define ERR_BUF_BUSY 1
113
114/*
115 * Software Initiated Reset type codes
116 */
117#define SIR_TYPE_FATAL_DBU 1
118
119
120#ifdef __cplusplus
121}
122#endif
123
124#endif /* _ERRS_COMMON_H */