Initial commit of OpenSPARC T2 architecture model.
[OpenSPARC-T2-SAM] / hypervisor / src / greatlakes / common / include / vdev_console.h
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1/*
2* ========== Copyright Header Begin ==========================================
3*
4* Hypervisor Software File: vdev_console.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 _VDEV_CONSOLE_H
50#define _VDEV_CONSOLE_H
51
52#pragma ident "@(#)vdev_console.h 1.7 07/05/03 SMI"
53
54#ifdef __cplusplus
55extern "C" {
56#endif
57
58#define CONS_TYPE_UNCONFIG 0x0
59#define CONS_TYPE_LDC 0x1
60#ifdef CONFIG_CN_UART
61#define CONS_TYPE_UART 0x2
62#endif
63
64/*
65 * LDC based console status values
66 * The status field is a bit field where each bit
67 * corresponds to a state
68 */
69#define LDC_CONS_READY 0x1
70#define LDC_CONS_BREAK 0x2
71#define LDC_CONS_HUP 0x4
72
73#define CONS_INBUF_ENTRIES 64
74#define CONS_INBUF_SIZE (CONS_INBUF_ENTRIES*8)
75
76/*
77 * LDC console pkt format
78 *
79 * 6 3 1 1
80 * 3 2 6 5 8 7 0
81 * +------------------------+-------------+--------+-------+
82 * word 0: | ctrl_msg | unused | size | type |
83 * +------------------------+-------------+--------+-------+
84 * word 1-6: | payload |
85 * +-------------------------------------------------------+
86 */
87
88/*
89 * LDC Console msg type
90 */
91#define LDC_CONSOLE_CONTROL 0x1
92#define LDC_CONSOLE_DATA 0x2
93
94#define LDC_CONS_PAYLOAD_SZ 56
95
96#ifndef _ASM
97struct ldc_conspkt {
98 uint8_t type; /* packet type */
99 uint8_t size; /* num chars in payload */
100 uint16_t rsvd;
101 uint32_t ctrl_msg; /* control message */
102 uint8_t payload[LDC_CONS_PAYLOAD_SZ];
103};
104
105
106/*
107 * Info to help with (re)configuration
108 */
109
110typedef struct {
111 resource_t res;
112 uint8_t type;
113 uint8_t ino; /* virtual device ino */
114 int ldc_channel;
115#ifdef CONFIG_CN_UART
116 uint64_t uartbase;
117#endif
118} console_parse_info_t;
119
120
121/*
122 * Guest console structure
123 */
124struct console {
125 uint8_t type; /* type of console */
126
127 console_parse_info_t pip;
128#ifdef CONFIG_CN_UART
129 /*
130 * UART based console (primarily for Legion at this point)
131 */
132 uint64_t uartbase; /* console base address */
133#endif
134 /*
135 * LDC based console
136 */
137 uint8_t status; /* Console status */
138 uint64_t endpt; /* HV LDC Endpt */
139 uint64_t in_head; /* Incoming buf head */
140 uint64_t in_tail; /* Incoming buf tail */
141 vdev_mapreg_t *vintr_mapreg; /* for guest intr */
142 uint64_t in_buf[CONS_INBUF_ENTRIES]; /* Incoming buffer */
143};
144
145 /*
146 * Support functions for console resource
147 */
148
149extern void init_consoles();
150
151#endif /* !_ASM */
152
153#ifdef __cplusplus
154}
155#endif
156
157#endif /* _VDEV_CONSOLE_H */