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libxl: Add support for ovmf firmware

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Populate libxl_domain_build_info struct with bios and firmware
info from virDomainLoaderDef.

Note: Currently libxl only allows specifying the type of BIOS.
For type LIBXL_BIOS_TYPE_OVMF, the firmware path is configured
when building Xen using '--with-system-ovmf='. If not specified,
LIBXL_FIRMWARE_DIR/ovmf.bin is used. In the future, Xen will
support a user-specified firmware path. See

http://lists.xenproject.org/archives/html/xen-devel/2016-03/msg01628.html

Once that work is merged into xen.git, the libvirt libxl driver
will be able to honor a user-specified path. In the meantime use
the implicit path, which is tolerable since it is advertised in
domcapabilities.

Signed-off-by: Jim Fehlig <jfehlig@suse.com>
This commit is contained in:
Jim Fehlig 2016-04-20 15:14:35 -06:00
parent 53d98ccea7
commit 00bcb45d8d
1 changed files with 13 additions and 0 deletions
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13
src/libxl/libxl_conf.c
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@ -395,6 +395,19 @@ libxlMakeDomBuildInfo(virDomainDefPtr def,
return -1;
#endif
/*
* Currently libxl only allows specifying the type of BIOS.
* If the type is PFLASH, we assume OVMF and set libxl_bios_type
* to LIBXL_BIOS_TYPE_OVMF. The path to the OVMF firmware is
* configured when building Xen using '--with-system-ovmf='. If
* not specified, LIBXL_FIRMWARE_DIR/ovmf.bin is used. In the
* future, Xen will support a user-specified firmware path. See
* http://lists.xenproject.org/archives/html/xen-devel/2016-03/msg01628.html
*/
if (def->os.loader &&
def->os.loader->type == VIR_DOMAIN_LOADER_TYPE_PFLASH)
b_info->u.hvm.bios = LIBXL_BIOS_TYPE_OVMF;
if (def->emulator) {
if (!virFileExists(def->emulator)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,