1 | /****************************************************************************** |
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2 | * xenguest.h |
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3 | * |
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4 | * A library for guest domain management in Xen. |
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5 | * |
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6 | * Copyright (c) 2003-2004, K A Fraser. |
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7 | */ |
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8 | |
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9 | #ifndef XENGUEST_H |
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10 | #define XENGUEST_H |
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11 | |
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12 | #define XCFLAGS_LIVE 1 |
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13 | #define XCFLAGS_DEBUG 2 |
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14 | #define XCFLAGS_HVM 4 |
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15 | #define XCFLAGS_STDVGA 8 |
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16 | |
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17 | |
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18 | /** |
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19 | * This function will save a running domain. |
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20 | * |
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21 | * @parm xc_handle a handle to an open hypervisor interface |
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22 | * @parm fd the file descriptor to save a domain to |
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23 | * @parm dom the id of the domain |
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24 | * @return 0 on success, -1 on failure |
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25 | */ |
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26 | int xc_domain_save(int xc_handle, int io_fd, uint32_t dom, uint32_t max_iters, |
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27 | uint32_t max_factor, uint32_t flags /* XCFLAGS_xxx */, |
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28 | int (*suspend)(int domid), int hvm, |
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29 | void *(*init_qemu_maps)(int, unsigned), /* HVM only */ |
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30 | void (*qemu_flip_buffer)(int, int)); /* HVM only */ |
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31 | |
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32 | |
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33 | /** |
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34 | * This function will restore a saved domain. |
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35 | * |
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36 | * @parm xc_handle a handle to an open hypervisor interface |
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37 | * @parm fd the file descriptor to restore a domain from |
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38 | * @parm dom the id of the domain |
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39 | * @parm store_evtchn the store event channel for this domain to use |
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40 | * @parm store_mfn returned with the mfn of the store page |
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41 | * @parm hvm non-zero if this is a HVM restore |
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42 | * @parm pae non-zero if this HVM domain has PAE support enabled |
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43 | * @return 0 on success, -1 on failure |
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44 | */ |
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45 | int xc_domain_restore(int xc_handle, int io_fd, uint32_t dom, |
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46 | unsigned int store_evtchn, unsigned long *store_mfn, |
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47 | unsigned int console_evtchn, unsigned long *console_mfn, |
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48 | unsigned int hvm, unsigned int pae); |
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49 | |
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50 | /** |
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51 | * This function will create a domain for a paravirtualized Linux |
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52 | * using file names pointing to kernel and ramdisk |
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53 | * |
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54 | * @parm xc_handle a handle to an open hypervisor interface |
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55 | * @parm domid the id of the domain |
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56 | * @parm mem_mb memory size in megabytes |
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57 | * @parm image_name name of the kernel image file |
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58 | * @parm ramdisk_name name of the ramdisk image file |
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59 | * @parm cmdline command line string |
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60 | * @parm flags domain creation flags |
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61 | * @parm store_evtchn the store event channel for this domain to use |
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62 | * @parm store_mfn returned with the mfn of the store page |
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63 | * @parm console_evtchn the console event channel for this domain to use |
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64 | * @parm conole_mfn returned with the mfn of the console page |
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65 | * @return 0 on success, -1 on failure |
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66 | */ |
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67 | int xc_linux_build(int xc_handle, |
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68 | uint32_t domid, |
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69 | unsigned int mem_mb, |
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70 | const char *image_name, |
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71 | const char *ramdisk_name, |
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72 | const char *cmdline, |
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73 | const char *features, |
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74 | unsigned long flags, |
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75 | unsigned int store_evtchn, |
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76 | unsigned long *store_mfn, |
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77 | unsigned int console_evtchn, |
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78 | unsigned long *console_mfn); |
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79 | |
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80 | /** The same interface, but the dom structure is managed by the caller */ |
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81 | struct xc_dom_image; |
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82 | int xc_dom_linux_build(int xc_handle, |
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83 | struct xc_dom_image *dom, |
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84 | uint32_t domid, |
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85 | unsigned int mem_mb, |
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86 | const char *image_name, |
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87 | const char *ramdisk_name, |
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88 | unsigned long flags, |
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89 | unsigned int store_evtchn, |
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90 | unsigned long *store_mfn, |
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91 | unsigned int console_evtchn, |
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92 | unsigned long *console_mfn); |
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93 | |
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94 | /** |
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95 | * This function will create a domain for a paravirtualized Linux |
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96 | * using buffers for kernel and initrd |
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97 | * |
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98 | * @parm xc_handle a handle to an open hypervisor interface |
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99 | * @parm domid the id of the domain |
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100 | * @parm mem_mb memory size in megabytes |
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101 | * @parm image_buffer buffer containing kernel image |
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102 | * @parm image_size size of the kernel image buffer |
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103 | * @parm initrd_buffer name of the ramdisk image file |
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104 | * @parm initrd_size size of the ramdisk buffer |
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105 | * @parm cmdline command line string |
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106 | * @parm flags domain creation flags |
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107 | * @parm store_evtchn the store event channel for this domain to use |
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108 | * @parm store_mfn returned with the mfn of the store page |
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109 | * @parm console_evtchn the console event channel for this domain to use |
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110 | * @parm conole_mfn returned with the mfn of the console page |
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111 | * @return 0 on success, -1 on failure |
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112 | */ |
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113 | int xc_linux_build_mem(int xc_handle, |
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114 | uint32_t domid, |
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115 | unsigned int mem_mb, |
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116 | const char *image_buffer, |
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117 | unsigned long image_size, |
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118 | const char *initrd_buffer, |
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119 | unsigned long initrd_size, |
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120 | const char *cmdline, |
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121 | const char *features, |
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122 | unsigned long flags, |
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123 | unsigned int store_evtchn, |
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124 | unsigned long *store_mfn, |
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125 | unsigned int console_evtchn, |
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126 | unsigned long *console_mfn); |
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127 | |
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128 | int xc_hvm_build(int xc_handle, |
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129 | uint32_t domid, |
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130 | int memsize, |
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131 | const char *image_name); |
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132 | |
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133 | int xc_hvm_build_mem(int xc_handle, |
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134 | uint32_t domid, |
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135 | int memsize, |
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136 | const char *image_buffer, |
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137 | unsigned long image_size); |
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138 | |
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139 | /* PowerPC specific. */ |
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140 | int xc_prose_build(int xc_handle, |
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141 | uint32_t domid, |
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142 | unsigned int mem_mb, |
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143 | const char *image_name, |
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144 | const char *ramdisk_name, |
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145 | const char *cmdline, |
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146 | const char *features, |
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147 | unsigned long flags, |
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148 | unsigned int store_evtchn, |
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149 | unsigned long *store_mfn, |
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150 | unsigned int console_evtchn, |
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151 | unsigned long *console_mfn); |
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152 | |
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153 | #endif /* XENGUEST_H */ |
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