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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 | |
55 | extern "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 */ |