mirror of
https://github.com/xen-project/xen.git
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158 lines
4.9 KiB
C
158 lines
4.9 KiB
C
/*
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* Xen domain builder -- compatibility code.
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*
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* Replacements for xc_linux_build & friends,
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* as example code and to make the new builder
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* usable as drop-in replacement.
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*
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* This code is licenced under the GPL.
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* written 2006 by Gerd Hoffmann <kraxel@suse.de>.
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <inttypes.h>
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#include <zlib.h>
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#include "xenctrl.h"
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#include "xg_private.h"
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#include "xc_dom.h"
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/* ------------------------------------------------------------------------ */
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static int xc_linux_build_internal(struct xc_dom_image *dom,
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int xc_handle, uint32_t domid,
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unsigned int mem_mb,
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unsigned long flags,
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unsigned int store_evtchn,
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unsigned long *store_mfn,
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unsigned int console_evtchn,
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unsigned long *console_mfn)
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{
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int rc;
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dom->flags = flags;
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dom->console_evtchn = console_evtchn;
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dom->xenstore_evtchn = store_evtchn;
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if ( (rc = xc_dom_boot_xen_init(dom, xc_handle, domid)) != 0 )
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goto out;
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if ( (rc = xc_dom_parse_image(dom)) != 0 )
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goto out;
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if ( (rc = xc_dom_mem_init(dom, mem_mb)) != 0 )
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goto out;
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if ( (rc = xc_dom_boot_mem_init(dom)) != 0 )
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goto out;
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if ( (rc = xc_dom_build_image(dom)) != 0 )
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goto out;
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if ( (rc = xc_dom_boot_image(dom)) != 0 )
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goto out;
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*console_mfn = xc_dom_p2m_host(dom, dom->console_pfn);
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*store_mfn = xc_dom_p2m_host(dom, dom->xenstore_pfn);
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out:
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return rc;
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}
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int xc_linux_build_mem(int xc_handle, uint32_t domid,
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unsigned int mem_mb,
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const char *image_buffer,
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unsigned long image_size,
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const char *initrd,
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unsigned long initrd_len,
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const char *cmdline,
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const char *features,
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unsigned long flags,
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unsigned int store_evtchn,
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unsigned long *store_mfn,
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unsigned int console_evtchn, unsigned long *console_mfn)
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{
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struct xc_dom_image *dom;
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int rc;
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xc_dom_loginit();
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dom = xc_dom_allocate(cmdline, features);
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if ( (rc = xc_dom_kernel_mem(dom, image_buffer, image_size)) != 0 )
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goto out;
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if ( initrd && ((rc = xc_dom_ramdisk_mem(dom, initrd, initrd_len)) != 0) )
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goto out;
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rc = xc_linux_build_internal(dom, xc_handle, domid,
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mem_mb, flags,
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store_evtchn, store_mfn,
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console_evtchn, console_mfn);
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out:
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xc_dom_release(dom);
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return rc;
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}
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int xc_linux_build(int xc_handle, uint32_t domid,
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unsigned int mem_mb,
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const char *image_name,
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const char *initrd_name,
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const char *cmdline,
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const char *features,
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unsigned long flags,
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unsigned int store_evtchn,
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unsigned long *store_mfn,
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unsigned int console_evtchn, unsigned long *console_mfn)
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{
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struct xc_dom_image *dom;
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int rc;
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xc_dom_loginit();
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dom = xc_dom_allocate(cmdline, features);
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if ( (rc = xc_dom_kernel_file(dom, image_name)) != 0 )
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goto out;
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if ( initrd_name && strlen(initrd_name) &&
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((rc = xc_dom_ramdisk_file(dom, initrd_name)) != 0) )
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goto out;
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rc = xc_linux_build_internal(dom, xc_handle, domid,
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mem_mb, flags,
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store_evtchn, store_mfn,
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console_evtchn, console_mfn);
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out:
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xc_dom_release(dom);
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return rc;
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}
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int xc_dom_linux_build(int xc_handle,
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struct xc_dom_image *dom,
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uint32_t domid,
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unsigned int mem_mb,
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const char *image_name,
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const char *initrd_name,
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unsigned long flags,
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unsigned int store_evtchn,
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unsigned long *store_mfn,
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unsigned int console_evtchn, unsigned long *console_mfn)
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{
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int rc;
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if ( (rc = xc_dom_kernel_file(dom, image_name)) != 0 )
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return rc;
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if ( initrd_name && strlen(initrd_name) &&
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((rc = xc_dom_ramdisk_file(dom, initrd_name)) != 0) )
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return rc;
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return xc_linux_build_internal(dom, xc_handle, domid,
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mem_mb, flags,
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store_evtchn, store_mfn,
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console_evtchn, console_mfn);
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}
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/*
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* Local variables:
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* mode: C
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* c-set-style: "BSD"
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* c-basic-offset: 4
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* tab-width: 4
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* indent-tabs-mode: nil
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* End:
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*/
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