10:48 a.m.
---
src/qemu/qemu_command.c | 128 ++++++++++++++++++++++++++++++++----------------
1 file changed, 86 insertions(+), 42 deletions(-)
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 799209d..0738de2 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -3827,19 +3827,62 @@ cleanup:
static int
-qemuBuildDriveURIString(virConnectPtr conn,
- virDomainDiskDefPtr disk,
- virBufferPtr opt)
+qemuGetDriveSourceString(int type,
+ const char *src,
+ int protocol,
+ size_t nhosts,
+ virDomainDiskHostDefPtr hosts,
+ const char *username,
+ const char *secret,
+ char **path)
{
+ *path = NULL;
+
+ switch ((enum virDomainDiskType) type) {
+ case VIR_DOMAIN_DISK_TYPE_BLOCK:
+ case VIR_DOMAIN_DISK_TYPE_FILE:
+ case VIR_DOMAIN_DISK_TYPE_DIR:
+ if (!src)
+ return 1;
+
+ if (VIR_STRDUP(*path, src) < 0)
+ return -1;
+
+ break;
+
+ case VIR_DOMAIN_DISK_TYPE_NETWORK:
+ if (!(*path = qemuBuildNetworkDriveURI(protocol,
+ src,
+ nhosts,
+ hosts,
+ username,
+ secret)))
+ return -1;
+ break;
+
+ case VIR_DOMAIN_DISK_TYPE_VOLUME:
+ case VIR_DOMAIN_DISK_TYPE_LAST:
+ break;
+ }
+
+ return 0;
+}
+
+static int
+qemuDomainDiskGetSourceString(virConnectPtr conn,
+ virDomainDiskDefPtr disk,
+ char **source)
+{
+ int actualType = qemuDiskGetActualType(disk);
char *secret = NULL;
- char *builturi = NULL;
int ret = -1;
- virBufferAddLit(opt, "file=");
+ *source = NULL;
- if ((disk->protocol == VIR_DOMAIN_DISK_PROTOCOL_ISCSI ||
- disk->protocol == VIR_DOMAIN_DISK_PROTOCOL_RBD) &&
- disk->auth.username) {
+ if (actualType == VIR_DOMAIN_DISK_TYPE_NETWORK &&
+ disk->auth.username &&
+ (disk->protocol == VIR_DOMAIN_DISK_PROTOCOL_ISCSI ||
+ disk->protocol == VIR_DOMAIN_DISK_PROTOCOL_RBD)) {
bool encode = false;
int secretType = VIR_SECRET_USAGE_TYPE_ISCSI;
@@ -3860,32 +3903,23 @@ qemuBuildDriveURIString(virConnectPtr conn,
goto cleanup;
}
-
- if (!(builturi = qemuBuildNetworkDriveURI(disk->protocol,
- disk->src,
- disk->nhosts,
- disk->hosts,
- disk->auth.username,
- secret)))
- goto cleanup;
-
- virBufferEscape(opt, ',', ",", "%s", builturi);
- virBufferAddChar(opt, ',');
-
- ret = 0;
+ ret = qemuGetDriveSourceString(qemuDiskGetActualType(disk),
+ disk->src,
+ disk->protocol,
+ disk->nhosts,
+ disk->hosts,
+ disk->auth.username,
+ secret,
+ source);
cleanup:
VIR_FREE(secret);
- VIR_FREE(builturi);
-
return ret;
}
-
-
char *
-qemuBuildDriveStr(virConnectPtr conn ATTRIBUTE_UNUSED,
+qemuBuildDriveStr(virConnectPtr conn,
virDomainDiskDefPtr disk,
bool bootable,
virQEMUCapsPtr qemuCaps)
@@ -3896,6 +3930,7 @@ qemuBuildDriveStr(virConnectPtr conn ATTRIBUTE_UNUSED,
virDomainDiskGeometryTransTypeToString(disk->geometry.trans);
int idx = virDiskNameToIndex(disk->dst);
int busid = -1, unitid = -1;
+ char *source = NULL;
int actualType = qemuDiskGetActualType(disk);
if (idx < 0) {
@@ -3978,15 +4013,18 @@ qemuBuildDriveStr(virConnectPtr conn ATTRIBUTE_UNUSED,
break;
}
- /* disk->src is NULL when we use nbd disks */
- if ((disk->src ||
- (actualType == VIR_DOMAIN_DISK_TYPE_NETWORK &&
- disk->protocol == VIR_DOMAIN_DISK_PROTOCOL_NBD)) &&
+ if (qemuDomainDiskGetSourceString(conn, disk, &source) < 0)
+ goto error;
+
+ if (source &&
!((disk->device == VIR_DOMAIN_DISK_DEVICE_FLOPPY ||
disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM) &&
disk->tray_status == VIR_DOMAIN_DISK_TRAY_OPEN)) {
- if (actualType == VIR_DOMAIN_DISK_TYPE_DIR) {
+ virBufferAddLit(&opt, "file=");
+
+ switch (actualType) {
+ case VIR_DOMAIN_DISK_TYPE_DIR:
/* QEMU only supports magic FAT format for now */
if (disk->format > 0 && disk->format !=
VIR_STORAGE_FILE_FAT) {
virReportError(VIR_ERR_INTERNAL_ERROR,
@@ -3994,31 +4032,37 @@ qemuBuildDriveStr(virConnectPtr conn ATTRIBUTE_UNUSED,
virStorageFileFormatTypeToString(disk->format));
goto error;
}
+
if (!disk->readonly) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("cannot create virtual FAT disks in read-write
mode"));
goto error;
}
+
+ virBufferAddLit(&opt, "fat:");
+
if (disk->device == VIR_DOMAIN_DISK_DEVICE_FLOPPY)
- virBufferEscape(&opt, ',', ",",
"file=fat:floppy:%s,",
- disk->src);
- else
- virBufferEscape(&opt, ',', ",",
"file=fat:%s,", disk->src);
+ virBufferAddLit(&opt, "floppy:");
- } else if (actualType == VIR_DOMAIN_DISK_TYPE_NETWORK) {
- if (qemuBuildDriveURIString(conn, disk, &opt) < 0)
- goto error;
- } else {
- if ((actualType == VIR_DOMAIN_DISK_TYPE_BLOCK) &&
- (disk->tray_status == VIR_DOMAIN_DISK_TRAY_OPEN)) {
+ break;
+
+ case VIR_DOMAIN_DISK_TYPE_BLOCK:
+ if (disk->tray_status == VIR_DOMAIN_DISK_TRAY_OPEN) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("tray status 'open' is invalid for "
"block type disk"));
goto error;
}
- virBufferEscape(&opt, ',', ",", "file=%s,",
disk->src);
+
+ break;
+
+ default:
+ break;
}
+
+ virBufferEscape(&opt, ',', ",", "%s,", source);
}
+
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE))
virBufferAddLit(&opt, "if=none");
else
--
1.8.4.3