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Right now we're checking that firmware descriptor masking works
as intended by creating an empty file matching 60-ovmf-sb.json
in name.
However, that firmware descriptors contains the details for a
perfectly valid and quite common situation: Secure Boot being
supported by the firmware build, but being effectively disabled
by the lack of certificates in the NVRAM template.
Unmask that firmware descriptor, and instead create a dummy one
that has higher priority than all other OVMF builds and points
to paths that are obviously incorrect, which should make it
easy to notice it getting accidentally unmasked in the future.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Now that we ignore all firmwares that are not in raw format
while performing autoselection, we can have descriptors for
firmware builds in QCOW2 format without breaking anything.
Note that the descriptors are arranged so that they have the
highest priority on aarch64, but the lowest one on x86_64.
This matches the expectation that QCOW2 will quickly be
adopted as the default on aarch64, where its use produces
significant benefits in terms of memory usage, while x86_64
will likely stick with raw for the foreseeable future.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Currently the 'nvram_template' entry is mandatory when parsing the
firmware descriptor based on flash. QEMU is extending the firmware
descriptor spec to make the 'nvram_template' optional, depending
on the value of a new 'mode' field:
- "split"
* "executable" contains read-only CODE
* "nvram_template" contains read-write VARS
- "combined"
* "executable" contains read-write CODE and VARs
* "nvram_template" not present
- "stateless"
* "executable" contains read-only CODE and VARs
* "nvram_template" not present
In the latter case, the guest OS can write vars but the
firmware will make no attempt to persist them, so any changes
will be lost at poweroff.
For now we parse this new 'mode' but discard any firmware
which is not 'mode=split' when matching for a domain.
In the tests we have a mixture of files with and without the
mode attribute.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Historically, we declared pointer type to our types:
typedef struct _virXXX virXXX;
typedef virXXX *virXXXPtr;
But usefulness of such declaration is questionable, at best.
Unfortunately, we can't drop every such declaration - we have to
carry some over, because they are part of public API (e.g.
virDomainPtr). But for internal types - we can do drop them and
use what every other C project uses 'virXXX *'.
This change was generated by a very ugly shell script that
generated sed script which was then called over each file in the
repository. For the shell script refer to the cover letter:
https://listman.redhat.com/archives/libvir-list/2021-March/msg00537.html
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Glib provides g_auto(GStrv) which is in-place replacement of our
VIR_AUTOSTRINGLIST.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Eliminate direct use of normal setenv/unsetenv calls in
favour of GLib's wrapper. This eliminates two gnulib
modules
Reviewed-by: Fabiano Fidêncio <fidencio@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Replace all occurrences of
if (VIR_STRDUP(a, b) < 0)
/* effectively dead code */
with:
a = g_strdup(b);
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Since commit 44e7f02915
util: rewrite auto cleanup macros to use glib's equivalent
VIR_AUTOPTR aliases to g_autoptr. Replace all of its use by the GLib
macro version.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Since commit 44e7f02915
util: rewrite auto cleanup macros to use glib's equivalent
VIR_AUTOFREE is just an alias for g_autofree. Use the GLib macros
directly instead of our custom aliases.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Use G_GNUC_UNUSED from GLib instead of ATTRIBUTE_UNUSED.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
There is one hack hidden here, but since this is in a test, it's
okay. In order to get a list of expected firmwares in
virFirmwarePtr form I'm using virFirmwareParseList(). But
usually, in real life scenario, this function is used only to
parse a list of UEFI images which have NVRAM split out. In other
words, this function expects ${FW}:${NVRAM} pairs. But in this
test, we also want to allow just a single path: ${FW} because
some reported firmwares are just a BIOS image really. To avoid
writing some parser function, let's just pass "NULL" as ${NVRAM}
and fix the result later.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Cole Robinson <crobinso@redhat.com>
The qemuFirmwareGetSupported() function is called from qemu
driver to generate domain capabilities XML based on FW descriptor
files. However, the function currently reports only some features
from domcapabilities XML and not actual FW image paths. The paths
reported in the domcapabilities XML are still from pre-FW
descriptor era and therefore the XML might be a bit confusing.
For instance, it may say that secure boot is supported but
secboot enabled FW is not in the listed FW image paths.
To resolve this problem, change qemuFirmwareGetSupported() so
that it also returns a list of FW images (we have the list
anyway). Luckily, we already have a structure to represent a FW
image - virFirmware.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1733940
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Cole Robinson <crobinso@redhat.com>
The point of this API is to fetch all FW descriptors, parse them
and return list of supported interfaces and SMM feature for given
combination of machine type and guest architecture.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
If qemuFirmwareFetchConfigs() returned more or fewer paths than
expected all that we see is the following error message:
Expected 5 paths, got 7
While it is technically correct (the best kind of correct), we
can do better:
Unexpected path (i=0). Expected /some/path got /some/other/path
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
This is mostly to avoid a memleak that is not a true memleak
anyway - prefixes will be freed by kernel upon test exit.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
Test firmware description parsing so far.
The test files come from three locations:
1) ovmf-sb-keys.json and ovmf-sb.json come from OVMF
package from RHEL-7 (with slight name change to reflect their
features in filename too),
2) bios.json and aavmf.json come from example JSON documents from
firmware.json from qemu's git (3a0adfc9bf),
3) ovmf.json is then copied from ovmf-sb.json and stripped
of SECURE_BOOT and REQUIRES_SMM flags, OVMF path change,
description update and machine type expanded for both pc and q35
machine types.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
