1 | /* |
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2 | * Xen domain builder -- compatibility code. |
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3 | * |
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4 | * Replacements for xc_linux_build & friends, |
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5 | * as example code and to make the new builder |
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6 | * usable as drop-in replacement. |
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7 | * |
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8 | * This code is licenced under the GPL. |
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9 | * written 2006 by Gerd Hoffmann <kraxel@suse.de>. |
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10 | * |
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11 | */ |
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12 | #include <stdio.h> |
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13 | #include <stdlib.h> |
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14 | #include <string.h> |
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15 | #include <inttypes.h> |
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16 | #include <zlib.h> |
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17 | |
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18 | #include "xenctrl.h" |
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19 | #include "xg_private.h" |
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20 | #include "xc_dom.h" |
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21 | |
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22 | /* ------------------------------------------------------------------------ */ |
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23 | |
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24 | static int xc_linux_build_internal(struct xc_dom_image *dom, |
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25 | int xc_handle, uint32_t domid, |
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26 | unsigned int mem_mb, |
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27 | unsigned long flags, |
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28 | unsigned int store_evtchn, |
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29 | unsigned long *store_mfn, |
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30 | unsigned int console_evtchn, |
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31 | unsigned long *console_mfn) |
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32 | { |
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33 | int rc; |
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34 | |
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35 | dom->flags = flags; |
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36 | dom->console_evtchn = console_evtchn; |
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37 | dom->xenstore_evtchn = store_evtchn; |
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38 | |
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39 | if ( (rc = xc_dom_boot_xen_init(dom, xc_handle, domid)) != 0 ) |
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40 | goto out; |
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41 | if ( (rc = xc_dom_parse_image(dom)) != 0 ) |
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42 | goto out; |
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43 | if ( (rc = xc_dom_mem_init(dom, mem_mb)) != 0 ) |
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44 | goto out; |
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45 | if ( (rc = xc_dom_boot_mem_init(dom)) != 0 ) |
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46 | goto out; |
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47 | if ( (rc = xc_dom_build_image(dom)) != 0 ) |
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48 | goto out; |
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49 | if ( (rc = xc_dom_boot_image(dom)) != 0 ) |
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50 | goto out; |
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51 | |
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52 | *console_mfn = xc_dom_p2m_host(dom, dom->console_pfn); |
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53 | *store_mfn = xc_dom_p2m_host(dom, dom->xenstore_pfn); |
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54 | |
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55 | out: |
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56 | return rc; |
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57 | } |
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58 | |
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59 | int xc_linux_build_mem(int xc_handle, uint32_t domid, |
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60 | unsigned int mem_mb, |
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61 | const char *image_buffer, |
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62 | unsigned long image_size, |
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63 | const char *initrd, |
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64 | unsigned long initrd_len, |
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65 | const char *cmdline, |
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66 | const char *features, |
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67 | unsigned long flags, |
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68 | unsigned int store_evtchn, |
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69 | unsigned long *store_mfn, |
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70 | unsigned int console_evtchn, unsigned long *console_mfn) |
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71 | { |
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72 | struct xc_dom_image *dom; |
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73 | int rc; |
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74 | |
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75 | xc_dom_loginit(); |
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76 | dom = xc_dom_allocate(cmdline, features); |
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77 | if ( (rc = xc_dom_kernel_mem(dom, image_buffer, image_size)) != 0 ) |
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78 | goto out; |
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79 | if ( initrd && ((rc = xc_dom_ramdisk_mem(dom, initrd, initrd_len)) != 0) ) |
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80 | goto out; |
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81 | |
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82 | rc = xc_linux_build_internal(dom, xc_handle, domid, |
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83 | mem_mb, flags, |
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84 | store_evtchn, store_mfn, |
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85 | console_evtchn, console_mfn); |
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86 | |
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87 | out: |
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88 | xc_dom_release(dom); |
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89 | return rc; |
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90 | } |
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91 | |
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92 | int xc_linux_build(int xc_handle, uint32_t domid, |
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93 | unsigned int mem_mb, |
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94 | const char *image_name, |
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95 | const char *initrd_name, |
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96 | const char *cmdline, |
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97 | const char *features, |
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98 | unsigned long flags, |
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99 | unsigned int store_evtchn, |
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100 | unsigned long *store_mfn, |
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101 | unsigned int console_evtchn, unsigned long *console_mfn) |
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102 | { |
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103 | struct xc_dom_image *dom; |
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104 | int rc; |
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105 | |
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106 | xc_dom_loginit(); |
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107 | dom = xc_dom_allocate(cmdline, features); |
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108 | if ( (rc = xc_dom_kernel_file(dom, image_name)) != 0 ) |
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109 | goto out; |
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110 | if ( initrd_name && strlen(initrd_name) && |
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111 | ((rc = xc_dom_ramdisk_file(dom, initrd_name)) != 0) ) |
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112 | goto out; |
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113 | |
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114 | rc = xc_linux_build_internal(dom, xc_handle, domid, |
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115 | mem_mb, flags, |
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116 | store_evtchn, store_mfn, |
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117 | console_evtchn, console_mfn); |
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118 | |
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119 | out: |
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120 | xc_dom_release(dom); |
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121 | return rc; |
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122 | } |
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123 | |
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124 | int xc_dom_linux_build(int xc_handle, |
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125 | struct xc_dom_image *dom, |
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126 | uint32_t domid, |
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127 | unsigned int mem_mb, |
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128 | const char *image_name, |
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129 | const char *initrd_name, |
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130 | unsigned long flags, |
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131 | unsigned int store_evtchn, |
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132 | unsigned long *store_mfn, |
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133 | unsigned int console_evtchn, unsigned long *console_mfn) |
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134 | { |
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135 | int rc; |
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136 | |
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137 | if ( (rc = xc_dom_kernel_file(dom, image_name)) != 0 ) |
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138 | return rc; |
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139 | if ( initrd_name && strlen(initrd_name) && |
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140 | ((rc = xc_dom_ramdisk_file(dom, initrd_name)) != 0) ) |
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141 | return rc; |
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142 | |
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143 | return xc_linux_build_internal(dom, xc_handle, domid, |
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144 | mem_mb, flags, |
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145 | store_evtchn, store_mfn, |
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146 | console_evtchn, console_mfn); |
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147 | } |
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148 | |
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149 | /* |
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150 | * Local variables: |
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151 | * mode: C |
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152 | * c-set-style: "BSD" |
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153 | * c-basic-offset: 4 |
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154 | * tab-width: 4 |
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155 | * indent-tabs-mode: nil |
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156 | * End: |
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157 | */ |
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