[34] | 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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