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qemu: Use qemuBuildChrChardevCommand for virtiofs backend chardev

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Now that the API for qemuBuildChrChardevCommand is sane enough, we can
use it to centralize formatting of '-chardev' generally.

The 'virDomainFSDef' doesn't use 'virDomainChrSourceDef' internally so
we create it for this occasion manually.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2021-11-05 15:40:40 +01:00
parent fd4aca6cf5
commit 1164f234e3
1 changed files with 9 additions and 22 deletions
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31
src/qemu/qemu_command.c
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@ -2741,22 +2741,6 @@ qemuBuildDisksCommandLine(virCommand *cmd,
}
static char *
qemuBuildVHostUserFsChardevStr(const virDomainFSDef *fs,
const char *chardev_alias,
qemuDomainObjPrivate *priv)
{
g_auto(virBuffer) buf = VIR_BUFFER_INITIALIZER;
g_autofree char *socket_path = qemuDomainGetVHostUserFSSocketPath(priv, fs);
virBufferAddLit(&buf, "socket");
virBufferAsprintf(&buf, ",id=%s", chardev_alias);
virBufferAddLit(&buf, ",path=");
virQEMUBuildBufferEscapeComma(&buf, socket_path);
return virBufferContentAndReset(&buf);
}
virJSONValue *
qemuBuildVHostUserFsDevProps(virDomainFSDef *fs,
const virDomainDef *def,
@ -2790,15 +2774,18 @@ qemuBuildVHostUserFsCommandLine(virCommand *cmd,
const virDomainDef *def,
qemuDomainObjPrivate *priv)
{
g_autofree char *chardev_alias = NULL;
g_autofree char *chrdevstr = NULL;
g_autofree char *chardev_alias = qemuDomainGetVhostUserChrAlias(fs->info.alias);
g_autoptr(virJSONValue) devprops = NULL;
g_autoptr(virDomainChrSourceDef) chrsrc = virDomainChrSourceDefNew(priv->driver->xmlopt);
chardev_alias = qemuDomainGetVhostUserChrAlias(fs->info.alias);
chrdevstr = qemuBuildVHostUserFsChardevStr(fs, chardev_alias, priv);
if (!chrsrc)
return -1;
virCommandAddArg(cmd, "-chardev");
virCommandAddArg(cmd, chrdevstr);
chrsrc->type = VIR_DOMAIN_CHR_TYPE_UNIX;
chrsrc->data.nix.path = qemuDomainGetVHostUserFSSocketPath(priv, fs);
if (qemuBuildChardevCommand(cmd, chrsrc, chardev_alias, priv->qemuCaps) < 0)
return -1;
if (qemuCommandAddExtDevice(cmd, &fs->info, priv->qemuCaps) < 0)
return -1;