projects / OpenSPARC-T2-SAM / blame
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1 | /* |
| 2 | * ========== Copyright Header Begin ========================================== | |
| 3 | * | |
| 4 | * Hypervisor Software File: resource.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 _RESOURCE_H | |
| 50 | #define _RESOURCE_H | |
| 51 | ||
| 52 | #pragma ident "@(#)resource.h 1.3 07/02/12 SMI" | |
| 53 | ||
| 54 | #ifdef __cplusplus | |
| 55 | extern "C" { | |
| 56 | #endif | |
| 57 | ||
| 58 | #ifndef _ASM | |
| 59 | ||
| 60 | /* | |
| 61 | * Simple struct to bury in each resource structure | |
| 62 | * so we can re-use common functions in the | |
| 63 | * reconfigure framework. | |
| 64 | */ | |
| 65 | ||
| 66 | typedef struct { | |
| 67 | uint8_t flags; | |
| 68 | } resource_t; | |
| 69 | ||
| 70 | ||
| 71 | /* | |
| 72 | * The bits below look like uniq values, but are in fact | |
| 73 | * bitwise flags. The parse-commit phase for an HV MD update | |
| 74 | * Will set bits according to how a resource is to be | |
| 75 | * (re)configured. | |
| 76 | * | |
| 77 | * All configured resources start being marked in the unconfig state | |
| 78 | * so by default they will be unconfigured. | |
| 79 | * unconfigured resources are marked in the noop state. | |
| 80 | * The new HV MD state is parsed and as each MD node is found and | |
| 81 | * read in, unconfigured resources get marked to the config state | |
| 82 | * configured resources are either marked as noop, rebind or | |
| 83 | * modified based on what (if anything) has changed. | |
| 84 | * At the end of the parse process we now know what action if | |
| 85 | * any needs to happen to each resource, so in the commit | |
| 86 | * phase we call the appropriate resource specific function | |
| 87 | * to take the action we need to take for the reconfig. | |
| 88 | */ | |
| 89 | ||
| 90 | ||
| 91 | #define RESF_Noop 0x0 | |
| 92 | #define RESF_Unconfig 0x1 | |
| 93 | #define RESF_Config 0x2 | |
| 94 | #define RESF_Rebind 0x3 | |
| 95 | #define RESF_Modify 0x4 | |
| 96 | ||
| 97 | /* | |
| 98 | * Simple macro to help with resource configuration prototypes | |
| 99 | */ | |
| 100 | ||
| 101 | #define RES_PROTO(_name) \ | |
| 102 | void res_##_name##_prep(); \ | |
| 103 | hvctl_status_t res_##_name##_parse(bin_md_t *, \ | |
| 104 | hvctl_res_error_t *fail_codep, \ | |
| 105 | md_element_t **failnodepp, int *fail_res_id); \ | |
| 106 | hvctl_status_t res_##_name##_postparse(hvctl_res_error_t *, \ | |
| 107 | int *fail_res_id); \ | |
| 108 | void res_##_name##_commit(int flags); | |
| 109 | ||
| 110 | ||
| 111 | #endif | |
| 112 | ||
| 113 | #ifdef __cplusplus | |
| 114 | } | |
| 115 | #endif | |
| 116 | ||
| 117 | #endif /* _RESOURCE_H */ |