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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>
The glib implementation doesn't tolerate NULL but in most cases we check
before anyways. The rest of the callers adds a NULL check.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Both accept a NULL value gracefully and virStringFreeList
does not zero the pointer afterwards, so a straight replace
is safe.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
After the split of virsh to multiple files, and the subsequent
split to vsh/virt-admin, there are quite a few leftovers.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@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>
Standardize on putting the _LAST enum value on the second line
of VIR_ENUM_IMPL invocations. Later patches that add string labels
to VIR_ENUM_IMPL will push most of these to the second line anyways,
so this saves some noise.
Signed-off-by: Cole Robinson <crobinso@redhat.com>
virutil.(c|h) is a very gross collection of random code. Remove the enum
handlers from there so we can limit the scope where virtutil.h is used.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
In 600462834f we've tried to remove Author(s): lines
from comments at the beginning of our source files. Well, in some
files while we removed the "Author" line we did not remove the
actual list of authors.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
Since commit v4.3.0-336-gc84726fbdd all
{hypervisor-,}cpu-{baseline,compare} commands use a generic
vshExtractCPUDefXMLs helper for extracting individual CPU definitions
from the provided input file. The helper wraps the input file in a
<container> element so that several independent elements can be easily
parsed from the file. This works fine except when the file starts with
XML declaration (<?xml version="1.0" ... ?>) because the XML declaration
cannot be put inside any element. In fact it has to be at the very
beginning of the XML document without any preceding white space
characters. We can just simply skip the XML declaration.
https://bugzilla.redhat.com/show_bug.cgi?id=1592737
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This command is a virsh wrapper for virConnectBaselineHypervisorCPU.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This command is a virsh wrapper for virConnectCompareHypervisorCPU.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Collin Walling <walling@linux.ibm.com>
The domain capabilities XML contains host CPU model tailored to a
specific hypervisor and since it's enclosed in <mode name='host-model'>
element rather then the required <cpu> it's impossible to directly use
the host CPU model as an input to, e.g., cpu-compare command. To make
this more convenient, vshExtractCPUDefXML now accepts full domain
capabilities XML and automatically transforms the host CPU models into
the form accepted by libvirt APIs.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Collin Walling <walling@linux.ibm.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Both cpu-compare and cpu-baseline commands accept more that just CPU
definition XML(s). For users' convenience they are able to extract the
CPU definition(s) even from domain XML or capabilities XML. The main
differences between the two commands is in the number of CPU definitions
they expect: cpu-compare wants only one CPU definition while
cpu-baseline expects one or more CPUs.
The extracted code forms a new vshExtractCPUDefXML function.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Similarly to cpu-models these two commands do not operate on a domain
and should be listed in the "Host and Hypervisor" commands section.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Collin Walling <walling@linux.ibm.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
It is literally only a wrapper around virBitmapNewData() and
virBitmapFormat(), only the naming was wrong since it was introduced.
And because we have virBitmap*String functions where the meaning of
the 'String' is constant, this might confuse someone.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
Move virshLookupDomainBy, virshCommandOptDomainBy and
virshCommandOptDomainBy to the helper file. Additionally turn the
virshCommandOptDomainBy macro into a function.
1ec22be5 added code that detects the maximum cpu count according to
domain capabilities. The code fell back to the old command only if the
API was not supported. If the API fails for other reasons the command
would fail. There's no point in not trying the old API in such case.
https://bugzilla.redhat.com/show_bug.cgi?id=1402690
Some CPU drivers (such as arm) do not provide list of CPUs libvirt
supports and just pass any CPU model from domain XML directly to QEMU.
Such driver need to return models == NULL and success from cpuGetModels.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
virsh maxvcpus --type kvm output is useless on PPC. Also, in
commit e6806d79 we documented not rely on virConnectGetMaxVcpus
output. Fix the maxvcpus to use virConnectGetDomainCapabilities
now to make it useful. The call is made to use the default emulator
binary and to check for the host machine and arch which is what the
command intends to show anyway.
Signed-off-by: Shivaprasad G Bhat <sbhat@linux.vnet.ibm.com>
In order to share as much virsh' logic as possible with upcomming
virt-admin client we need to split virsh logic into virsh specific and
client generic features.
Since majority of virsh methods should be generic enough to be used by
other clients, it's much easier to rename virsh specific data to virshX
than doing this vice versa. It moved generic virsh commands (including info
and opts structures) to generic module vsh.c.
Besides renaming methods and structures, this patch also involves introduction
of a client specific control structure being referenced as private data in the
original control structure, introduction of a new global vsh Initializer,
which currently doesn't do much, but there is a potential for added
functionality in the future.
Lastly it introduced client hooks which are especially necessary during
client connecting phase.
Commit ed8155eafb documented that
mhz field in virNodeInfo might be 0 if the frequency is unknown. Modify
virsh to know about that.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Some drivers don't expose available huge page sizes in the
capabilities XML. For instance, LXC driver is one of those.
This has a downside that when virsh is trying to get
aggregated info on free pages per all NUMA nodes, it fails.
The problem is that the virNodeGetFreePages() API expects
caller to pass an array of page sizes he is interested in.
In virsh, this array is filled from the capabilities from
'/capabilities/host/cpu/pages' XPath. As said, in LXC
there's no such XPath and therefore virsh fails currently.
But hey, we can fallback: the page sizes are exposed under
'/capabilities/host/topology/cells/cell/pages'. The page
size can be collected from there, and voilà the command
works again. But now we must make sure that there are no
duplicates in the array passed to the public API. Otherwise
we won't get as beautiful output as we are getting now.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This will allow us to use vshError() to report errors from inside
vshCommandOpt*(), instead of replicating the same logic and error
messages all over the place.
We also have more context inside the vshCommandOpt*() functions,
for example the actual value used on the command line, which means
we can produce more detailed error messages.
vshCommandOptBool() is the exception here, because it's explicitly
designed not to report any error.
Replace more than 30 ad-hoc error messages with a single, generic one
that contains the name of the option being processed and some hints
to help the user understand what could have gone wrong.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1207043
This patch fixes the following issues.
1) When an invalid wwn is introduced, libvirt reports
"Malformed wwn: %s". The template won't be replaced.
2) "target" option for dompmsuspend and "xml" option for
save-image-define are required options and should use
VSH_OT_DATA instead of VSH_OT_STRING as an option type.
3) A typo.
Signed-off-by: Hao Liu <hliu@redhat.com>
Fix info in the command definition of allocpages, which is currently
pointing info for 'capabilities'.
Signed-off-by: Tomoki Sekiyama <tomoki.sekiyama@hds.com>
The unit of '--pagesize' of freepages is kibibytes.
https://bugzilla.redhat.com/show_bug.cgi?id=1145048
Signed-off-by: Jincheng Miao <jmiao@redhat.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
The API is exposed under 'domcapabilities' command. Currently, with
the variety of drivers that libvirt supports, none of the command
arguments is obligatory, but all are optional instead.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
In the 404bac14 the @tmp variable was introduced. It's purpose is to
avoid typecasting when parsing --pagesize argument. However, if the
argument is not presented, tmp may be used uninitialized resulting in
bogus virNodeGetFreePages() API call:
virsh freepages --cellno 2
error: Failed to open file '/sys/devices/system/node/node2/hugepages/hugepages-4294967295kB/free_hugepages': No such file or directory
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Commit 9e3efe53 broke the build under valgrind or clang, by writing
8 bytes through an allocation of 4 bytes. It also risks multiplication
overflow when mallocing (that's a pervasive problem that needs an
audit in the rest of the code, but we might as well fix this one while
we are here), and had a typo.
* tools/virsh-host.c (cmdFreepages): Avoid integer overflow and
undefined behavior.
Signed-off-by: Eric Blake <eblake@redhat.com>
Report CPU affinities / online CPUs in human-readable form when
this flag is present:
Before:
CPU Affinity: y-yy
After:
CPU Affinity: 0,2-3 (out of 4)
https://bugzilla.redhat.com/show_bug.cgi?id=985980
