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qemu: Introduce qemuExtTPMEmulatorSetupCgroup()

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This leaves qemuExtTPMSetupCgroup() to only deal with looping
over TPM devices, same as other qemuExtTPMDoThing() functions.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
This commit is contained in:
Andrea Bolognani 2022-02-04 17:35:46 +01:00
parent a9763e8e38
commit 5d35e2f2cc
1 changed files with 32 additions and 9 deletions
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41
src/qemu/qemu_tpm.c
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@ -797,6 +797,36 @@ qemuTPMEmulatorStop(const char *swtpmStateDir,
}
/**
* qemuExtTPMEmulatorSetupCgroup:
* @swtpmStateDir: directory for swtpm's persistent state
* @shortName: short and unique name of the domain
* @cgroup: cgroup to add the swtpm process to
*
* Add the swtpm process to the appropriate cgroup.
*/
static int
qemuExtTPMEmulatorSetupCgroup(const char *swtpmStateDir,
const char *shortName,
virCgroup *cgroup)
{
int rc;
pid_t pid;
rc = qemuTPMEmulatorGetPid(swtpmStateDir, shortName, &pid);
if (rc < 0 || (rc == 0 && pid == (pid_t)-1)) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Could not get process id of swtpm"));
return -1;
}
if (virCgroupAddProcess(cgroup, pid) < 0)
return -1;
return 0;
}
int
qemuExtTPMInitPaths(virQEMUDriver *driver,
virDomainDef *def)
@ -1019,8 +1049,6 @@ qemuExtTPMSetupCgroup(virQEMUDriver *driver,
virCgroup *cgroup)
{
g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
int rc;
pid_t pid;
size_t i;
for (i = 0; i < def->ntpms; i++) {
@ -1032,13 +1060,8 @@ qemuExtTPMSetupCgroup(virQEMUDriver *driver,
shortName = virDomainDefGetShortName(def);
if (!shortName)
return -1;
rc = qemuTPMEmulatorGetPid(cfg->swtpmStateDir, shortName, &pid);
if (rc < 0 || (rc == 0 && pid == (pid_t)-1)) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Could not get process id of swtpm"));
return -1;
}
if (virCgroupAddProcess(cgroup, pid) < 0)
if (qemuExtTPMEmulatorSetupCgroup(cfg->swtpmStateDir, shortName, cgroup) < 0)
return -1;
}