[libvirt] [PATCH v3] qemu: Allow UEFI paths to be specified at compile time
Michal Privoznik
mprivozn at redhat.com
Wed Jan 14 15:28:33 UTC 2015
Up until now there are just two ways how to specify UEFI paths to
libvirt. The first one is editing qemu.conf, the other is editing
qemu_conf.c and recompile which is not that fancy. So, new
configure option is introduced: --with-loader-nvram which takes a
list of pairs of UEFI firmware and NVRAM store. This way, the
compiled in defaults can be passed during compile time without
need to change the code itself.
Signed-off-by: Michal Privoznik <mprivozn at redhat.com>
---
configure.ac | 32 +++++++++++++++++
src/qemu/qemu.conf | 12 +++++--
src/qemu/qemu_conf.c | 41 ++++++++++++++++++----
src/qemu/test_libvirtd_qemu.aug.in | 1 +
.../domaincaps-qemu_1.6.50-1.xml | 1 +
tests/domaincapstest.c | 15 ++++----
6 files changed, 85 insertions(+), 17 deletions(-)
diff --git a/configure.ac b/configure.ac
index 9d12079..164cfad 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2786,6 +2786,38 @@ AC_ARG_WITH([default-editor],
[DEFAULT_EDITOR=vi])
AC_DEFINE_UNQUOTED([DEFAULT_EDITOR], ["$DEFAULT_EDITOR"], [Default editor to use])
+AC_ARG_WITH([loader-nvram],
+ [AS_HELP_STRING([--with-loader-nvram],
+ [Pass list of pairs of <loader>:<nvram> paths. Both
+ pairs and list items are separated by a colon.
+ @<:default=paths to OVMF and its clones@:>@])],
+ [with_loader_nvram=${withval}],
+ [with_loader_nvram=no])
+
+if test "$with_loader_nvram" != "no"; then
+ IFS=':' read -a loader_arr <<< "${with_loader_nvram}"
+
+ loader_str_c="{"
+ nvram_str_c="{"
+ for ((indx=0; indx<${#loader_arr[@]}; indx+=2)); do
+ loader=${loader_arr[[indx]]}
+ nvram=${loader_arr[[indx+1]]}
+
+ if test -z "$loader" || test -z "$nvram"; then
+ AC_MSG_ERROR([Malformed loader-nvram list])
+ fi
+
+ loader_str_c="$loader_str_c \"$loader\","
+ nvram_str_c="$nvram_str_c \"$nvram\","
+ done
+
+ loader_str_c="$loader_str_c }"
+ nvram_str_c="$nvram_str_c }"
+
+ AC_DEFINE_UNQUOTED([DEFAULT_LOADER], [$loader_str_c], [Array of loader paths])
+ AC_DEFINE_UNQUOTED([DEFAULT_NVRAM], [$nvram_str_c], [Array of nvram paths])
+fi
+
# Some GNULIB base64 symbols clash with a kerberos library
AC_DEFINE_UNQUOTED([isbase64],[libvirt_gl_isbase64],[Hack to avoid symbol clash])
AC_DEFINE_UNQUOTED([base64_encode],[libvirt_gl_base64_encode],[Hack to avoid symbol clash])
diff --git a/src/qemu/qemu.conf b/src/qemu/qemu.conf
index c6db568..1c589a2 100644
--- a/src/qemu/qemu.conf
+++ b/src/qemu/qemu.conf
@@ -506,6 +506,12 @@
# however, have different variables store. Therefore the nvram is
# a list of strings when a single item is in form of:
# ${PATH_TO_UEFI_FW}:${PATH_TO_UEFI_VARS}.
-# Later, when libvirt creates per domain variable store, this
-# list is searched for the master image.
-#nvram = [ "/usr/share/OVMF/OVMF_CODE.fd:/usr/share/OVMF/OVMF_VARS.fd" ]
+# Later, when libvirt creates per domain variable store, this list is
+# searched for the master image. The UEFI firmware can be called
+# differently for different guest architectures. For instance, it's OVMF
+# for x86_64 and i686, but it's AAVMF for aarch64. The libvirt default
+# follows this scheme.
+#nvram = [
+# "/usr/share/OVMF/OVMF_CODE.fd:/usr/share/OVMF/OVMF_VARS.fd",
+# "/usr/share/AAVMF/AAVMF_CODE.fd:/usr/share/AAVMF/AAVMF_VARS.fd"
+#]
diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c
index 9539231..728d01e 100644
--- a/src/qemu/qemu_conf.c
+++ b/src/qemu/qemu_conf.c
@@ -107,13 +107,21 @@ void qemuDomainCmdlineDefFree(qemuDomainCmdlineDefPtr def)
VIR_FREE(def);
}
-#define VIR_QEMU_LOADER_FILE_PATH "/usr/share/OVMF/OVMF_CODE.fd"
-#define VIR_QEMU_NVRAM_FILE_PATH "/usr/share/OVMF/OVMF_VARS.fd"
+#define VIR_QEMU_OVMF_LOADER_PATH "/usr/share/AAVMF/AAVMF_CODE.fd"
+#define VIR_QEMU_OVMF_NVRAM_PATH "/usr/share/AAVMF/AAVMF_VARS.fd"
+#define VIR_QEMU_AAVMF_LOADER_PATH "/usr/share/OVMF/OVMF_CODE.fd"
+#define VIR_QEMU_AAVMF_NVRAM_PATH "/usr/share/OVMF/OVMF_VARS.fd"
virQEMUDriverConfigPtr virQEMUDriverConfigNew(bool privileged)
{
virQEMUDriverConfigPtr cfg;
+#if defined(DEFAULT_LOADER) && defined(DEFAULT_NVRAM)
+ const char *loader[] = DEFAULT_LOADER;
+ const char *nvram[] = DEFAULT_NVRAM;
+ size_t i;
+#endif
+
if (virQEMUConfigInitialize() < 0)
return NULL;
@@ -258,14 +266,33 @@ virQEMUDriverConfigPtr virQEMUDriverConfigNew(bool privileged)
cfg->logTimestamp = true;
- if (VIR_ALLOC_N(cfg->loader, 1) < 0 ||
- VIR_ALLOC_N(cfg->nvram, 1) < 0)
+#if defined(DEFAULT_LOADER) && defined(DEFAULT_NVRAM)
+ verify(ARRAY_CARDINALITY(loader) == ARRAY_CARDINALITY(nvram));
+
+ if (VIR_ALLOC_N(cfg->loader, ARRAY_CARDINALITY(loader)) < 0 ||
+ VIR_ALLOC_N(cfg->nvram, ARRAY_CARDINALITY(loader)) < 0)
+ goto error;
+ cfg->nloader = ARRAY_CARDINALITY(loader);
+
+ for (i = 0; i < ARRAY_CARDINALITY(loader); i++) {
+ if (VIR_STRDUP(cfg->loader[i], loader[i]) < 0 ||
+ VIR_STRDUP(cfg->nvram[i], nvram[i]) < 0)
+ goto error;
+ }
+
+#else /* !defined(DEFAULT_LOADER) || !defined(DEFAULT_NVRAM) */
+
+ if (VIR_ALLOC_N(cfg->loader, 2) < 0 ||
+ VIR_ALLOC_N(cfg->nvram, 2) < 0)
goto error;
- cfg->nloader = 1;
+ cfg->nloader = 2;
- if (VIR_STRDUP(cfg->loader[0], VIR_QEMU_LOADER_FILE_PATH) < 0 ||
- VIR_STRDUP(cfg->nvram[0], VIR_QEMU_NVRAM_FILE_PATH) < 0)
+ if (VIR_STRDUP(cfg->loader[0], VIR_QEMU_OVMF_LOADER_PATH) < 0 ||
+ VIR_STRDUP(cfg->nvram[0], VIR_QEMU_OVMF_NVRAM_PATH) < 0 ||
+ VIR_STRDUP(cfg->loader[1], VIR_QEMU_AAVMF_LOADER_PATH) < 0 ||
+ VIR_STRDUP(cfg->nvram[1], VIR_QEMU_AAVMF_NVRAM_PATH) < 0)
goto error;
+#endif /* !defined(DEFAULT_LOADER) || !defined(DEFAULT_NVRAM) */
return cfg;
diff --git a/src/qemu/test_libvirtd_qemu.aug.in b/src/qemu/test_libvirtd_qemu.aug.in
index 30fd27e..fc4935b 100644
--- a/src/qemu/test_libvirtd_qemu.aug.in
+++ b/src/qemu/test_libvirtd_qemu.aug.in
@@ -76,4 +76,5 @@ module Test_libvirtd_qemu =
{ "log_timestamp" = "0" }
{ "nvram"
{ "1" = "/usr/share/OVMF/OVMF_CODE.fd:/usr/share/OVMF/OVMF_VARS.fd" }
+ { "2" = "/usr/share/AAVMF/AAVMF_CODE.fd:/usr/share/AAVMF/AAVMF_VARS.fd" }
}
diff --git a/tests/domaincapsschemadata/domaincaps-qemu_1.6.50-1.xml b/tests/domaincapsschemadata/domaincaps-qemu_1.6.50-1.xml
index 346ef65..37d2102 100644
--- a/tests/domaincapsschemadata/domaincaps-qemu_1.6.50-1.xml
+++ b/tests/domaincapsschemadata/domaincaps-qemu_1.6.50-1.xml
@@ -5,6 +5,7 @@
<arch>x86_64</arch>
<os supported='yes'>
<loader supported='yes'>
+ <value>/usr/share/AAVMF/AAVMF_CODE.fd</value>
<value>/usr/share/OVMF/OVMF_CODE.fd</value>
<enum name='type'>
<value>rom</value>
diff --git a/tests/domaincapstest.c b/tests/domaincapstest.c
index 70d2ef3..5ca8928 100644
--- a/tests/domaincapstest.c
+++ b/tests/domaincapstest.c
@@ -105,6 +105,7 @@ fillQemuCaps(virDomainCapsPtr domCaps,
struct fillQemuCapsData *data = (struct fillQemuCapsData *) opaque;
virQEMUCapsPtr qemuCaps = data->qemuCaps;
virQEMUDriverConfigPtr cfg = data->cfg;
+ virDomainCapsLoaderPtr loader = &domCaps->os.loader;
if (virQEMUCapsFillDomainCaps(domCaps, qemuCaps,
cfg->loader, cfg->nloader) < 0)
@@ -122,14 +123,14 @@ fillQemuCaps(virDomainCapsPtr domCaps,
/* Moreover, as of f05b6a918e28 we are expecting to see
* OVMF_CODE.fd file which may not exists everywhere. */
- if (!domCaps->os.loader.values.nvalues) {
- virDomainCapsLoaderPtr loader = &domCaps->os.loader;
+ while (loader->values.nvalues)
+ VIR_FREE(loader->values.values[--loader->values.nvalues]);
- if (fillStringValues(&loader->values,
- "/usr/share/OVMF/OVMF_CODE.fd",
- NULL) < 0)
- return -1;
- }
+ if (fillStringValues(&loader->values,
+ "/usr/share/AAVMF/AAVMF_CODE.fd",
+ "/usr/share/OVMF/OVMF_CODE.fd",
+ NULL) < 0)
+ return -1;
return 0;
}
#endif /* WITH_QEMU */
--
2.0.5
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