1 | /* $Id: VSCSIInline.h 27653 2010-03-23 23:28:26Z vboxsync $ */
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2 | /** @file
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3 | * Virtual SCSI driver: Inline helpers
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2006-2010 Sun Microsystems, Inc.
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8 | *
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9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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10 | * available from http://www.virtualbox.org. This file is free software;
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11 | * you can redistribute it and/or modify it under the terms of the GNU
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12 | * General Public License (GPL) as published by the Free Software
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13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | *
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17 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
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18 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
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19 | * additional information or have any questions.
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20 | */
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21 | #ifndef ___VSCSIInline_h
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22 | #define ___VSCSIInline_h
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23 |
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24 | #include <iprt/stdint.h>
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25 |
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26 | DECLINLINE(void) vscsiH2BEU16(uint8_t *pbBuf, uint16_t val)
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27 | {
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28 | pbBuf[0] = val >> 8;
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29 | pbBuf[1] = val;
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30 | }
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31 |
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32 |
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33 | DECLINLINE(void) vscsiH2BEU24(uint8_t *pbBuf, uint32_t val)
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34 | {
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35 | pbBuf[0] = val >> 16;
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36 | pbBuf[1] = val >> 8;
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37 | pbBuf[2] = val;
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38 | }
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39 |
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40 |
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41 | DECLINLINE(void) vscsiH2BEU32(uint8_t *pbBuf, uint32_t val)
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42 | {
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43 | pbBuf[0] = val >> 24;
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44 | pbBuf[1] = val >> 16;
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45 | pbBuf[2] = val >> 8;
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46 | pbBuf[3] = val;
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47 | }
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48 |
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49 | DECLINLINE(void) vscsiH2BEU64(uint8_t *pbBuf, uint64_t val)
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50 | {
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51 | pbBuf[0] = val >> 56;
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52 | pbBuf[1] = val >> 48;
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53 | pbBuf[2] = val >> 40;
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54 | pbBuf[3] = val >> 32;
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55 | pbBuf[4] = val >> 24;
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56 | pbBuf[5] = val >> 16;
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57 | pbBuf[6] = val >> 8;
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58 | pbBuf[7] = val;
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59 | }
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60 |
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61 | DECLINLINE(uint16_t) vscsiBE2HU16(const uint8_t *pbBuf)
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62 | {
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63 | return (pbBuf[0] << 8) | pbBuf[1];
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64 | }
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65 |
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66 |
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67 | DECLINLINE(uint32_t) vscsiBE2HU24(const uint8_t *pbBuf)
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68 | {
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69 | return (pbBuf[0] << 16) | (pbBuf[1] << 8) | pbBuf[2];
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70 | }
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71 |
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72 |
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73 | DECLINLINE(uint32_t) vscsiBE2HU32(const uint8_t *pbBuf)
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74 | {
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75 | return (pbBuf[0] << 24) | (pbBuf[1] << 16) | (pbBuf[2] << 8) | pbBuf[3];
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76 | }
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77 |
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78 | DECLINLINE(uint64_t) vscsiBE2HU64(const uint8_t *pbBuf)
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79 | {
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80 | return ((uint64_t)pbBuf[0] << 56)
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81 | | ((uint64_t)pbBuf[1] << 48)
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82 | | ((uint64_t)pbBuf[2] << 40)
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83 | | ((uint64_t)pbBuf[3] << 32)
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84 | | ((uint64_t)pbBuf[4] << 24)
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85 | | ((uint64_t)pbBuf[5] << 16)
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86 | | ((uint64_t)pbBuf[6] << 8)
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87 | | (uint64_t)pbBuf[7];
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88 | }
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89 |
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90 | DECLINLINE(void) vscsiPadStr(int8_t *pbDst, const char *pbSrc, uint32_t cbSize)
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91 | {
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92 | for (uint32_t i = 0; i < cbSize; i++)
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93 | {
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94 | if (*pbSrc)
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95 | pbDst[i] = *pbSrc++;
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96 | else
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97 | pbDst[i] = ' ';
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98 | }
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99 | }
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100 |
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101 | #endif /* ___VSCSIInline_h */
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102 |
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