[libvirt] [PATCH 1/1] add support for iSER block type.
lichstor at gmail.com
lichstor at gmail.com
Wed Dec 13 05:52:55 UTC 2017
From: zhangshengyu <zhangshengyu at fusionstack.cn>
---
src/conf/domain_conf.c | 8 ++++-
src/qemu/qemu_block.c | 3 +-
src/qemu/qemu_command.c | 3 +-
src/qemu/qemu_domain.c | 2 +-
src/qemu/qemu_driver.c | 3 ++
src/qemu/qemu_parse_command.c | 7 ++++
src/util/virstoragefile.c | 75 +++++++++++++++++++++++++++++++++++++++++++
src/util/virstoragefile.h | 1 +
8 files changed, 98 insertions(+), 4 deletions(-)
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 66e21c4bd..c83ce5718 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -4554,6 +4554,11 @@ virDomainDeviceDefPostParseCommon(virDomainDeviceDefPtr dev,
disk->src->protocol == VIR_STORAGE_NET_PROTOCOL_ISCSI &&
virDomainPostParseCheckISCSIPath(&disk->src->path) < 0)
return -1;
+
+ if (disk->src->type == VIR_STORAGE_TYPE_NETWORK &&
+ disk->src->protocol == VIR_STORAGE_NET_PROTOCOL_ISER &&
+ virDomainPostParseCheckISCSIPath(&disk->src->path) < 0)
+ return -1;
if (disk->bus != VIR_DOMAIN_DISK_BUS_VIRTIO &&
virDomainCheckVirtioOptions(disk->virtio) < 0)
@@ -5160,7 +5165,8 @@ virDomainDiskDefValidate(const virDomainDiskDef *disk)
if (!(disk->src->type == VIR_STORAGE_TYPE_BLOCK ||
disk->src->type == VIR_STORAGE_TYPE_VOLUME ||
(disk->src->type == VIR_STORAGE_TYPE_NETWORK &&
- disk->src->protocol == VIR_STORAGE_NET_PROTOCOL_ISCSI))) {
+ (disk->src->protocol == VIR_STORAGE_NET_PROTOCOL_ISCSI ||
+ disk->src->protocol == VIR_STORAGE_NET_PROTOCOL_ISER)))) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("disk '%s' improperly configured for a "
"device='lun'"), disk->dst);
diff --git a/src/qemu/qemu_block.c b/src/qemu/qemu_block.c
index 585f0255e..a9543293d 100644
--- a/src/qemu/qemu_block.c
+++ b/src/qemu/qemu_block.c
@@ -831,7 +831,7 @@ qemuBlockStorageSourceGetISCSIProps(virStorageSourcePtr src)
"s:portal", portal,
"s:target", target,
"u:lun", lun,
- "s:transport", "tcp",
+ "s:transport", src->protocol == VIR_STORAGE_NET_PROTOCOL_ISER? "iser":"tcp",
"S:user", username,
"S:password-secret", objalias,
NULL));
@@ -1030,6 +1030,7 @@ qemuBlockStorageSourceGetBackendProps(virStorageSourcePtr src)
break;
case VIR_STORAGE_NET_PROTOCOL_ISCSI:
+ case VIR_STORAGE_NET_PROTOCOL_ISER:
if (!(fileprops = qemuBlockStorageSourceGetISCSIProps(src)))
return NULL;
break;
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 645802795..a21ba0ae4 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -932,6 +932,7 @@ qemuBuildNetworkDriveStr(virStorageSourcePtr src,
case VIR_STORAGE_NET_PROTOCOL_FTPS:
case VIR_STORAGE_NET_PROTOCOL_TFTP:
case VIR_STORAGE_NET_PROTOCOL_ISCSI:
+ case VIR_STORAGE_NET_PROTOCOL_ISER:
case VIR_STORAGE_NET_PROTOCOL_GLUSTER:
ret = qemuBuildNetworkDriveURI(src, secinfo);
break;
@@ -1482,7 +1483,7 @@ qemuDiskSourceNeedsProps(virStorageSourcePtr src,
return true;
if (actualType == VIR_STORAGE_TYPE_NETWORK &&
- src->protocol == VIR_STORAGE_NET_PROTOCOL_ISCSI &&
+ (src->protocol == VIR_STORAGE_NET_PROTOCOL_ISCSI || src->protocol == VIR_STORAGE_NET_PROTOCOL_ISER) &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_ISCSI_PASSWORD_SECRET))
return true;
diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index d7150cae1..76b2a6cc9 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -8133,7 +8133,7 @@ int
qemuDomainDefValidateDiskLunSource(const virStorageSource *src)
{
if (virStorageSourceGetActualType(src) == VIR_STORAGE_TYPE_NETWORK) {
- if (src->protocol != VIR_STORAGE_NET_PROTOCOL_ISCSI) {
+ if (src->protocol != VIR_STORAGE_NET_PROTOCOL_ISCSI && src->protocol != VIR_STORAGE_NET_PROTOCOL_ISER) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("disk device='lun' is not supported "
"for protocol='%s'"),
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index aa30b119a..104b73ebe 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -13983,6 +13983,7 @@ qemuDomainSnapshotPrepareDiskExternalInactive(virDomainSnapshotDiskDefPtr snapdi
case VIR_STORAGE_NET_PROTOCOL_SHEEPDOG:
case VIR_STORAGE_NET_PROTOCOL_GLUSTER:
case VIR_STORAGE_NET_PROTOCOL_ISCSI:
+ case VIR_STORAGE_NET_PROTOCOL_ISER:
case VIR_STORAGE_NET_PROTOCOL_HTTP:
case VIR_STORAGE_NET_PROTOCOL_HTTPS:
case VIR_STORAGE_NET_PROTOCOL_FTP:
@@ -14060,6 +14061,7 @@ qemuDomainSnapshotPrepareDiskExternalActive(virDomainSnapshotDiskDefPtr snapdisk
case VIR_STORAGE_NET_PROTOCOL_RBD:
case VIR_STORAGE_NET_PROTOCOL_SHEEPDOG:
case VIR_STORAGE_NET_PROTOCOL_ISCSI:
+ case VIR_STORAGE_NET_PROTOCOL_ISER:
case VIR_STORAGE_NET_PROTOCOL_HTTP:
case VIR_STORAGE_NET_PROTOCOL_HTTPS:
case VIR_STORAGE_NET_PROTOCOL_FTP:
@@ -14178,6 +14180,7 @@ qemuDomainSnapshotPrepareDiskInternal(virConnectPtr conn,
case VIR_STORAGE_NET_PROTOCOL_SHEEPDOG:
case VIR_STORAGE_NET_PROTOCOL_GLUSTER:
case VIR_STORAGE_NET_PROTOCOL_ISCSI:
+ case VIR_STORAGE_NET_PROTOCOL_ISER:
case VIR_STORAGE_NET_PROTOCOL_HTTP:
case VIR_STORAGE_NET_PROTOCOL_HTTPS:
case VIR_STORAGE_NET_PROTOCOL_FTP:
diff --git a/src/qemu/qemu_parse_command.c b/src/qemu/qemu_parse_command.c
index 5fe3f97d0..72e137ce4 100644
--- a/src/qemu/qemu_parse_command.c
+++ b/src/qemu/qemu_parse_command.c
@@ -709,6 +709,12 @@ qemuParseCommandLineDisk(virDomainXMLOptionPtr xmlopt,
if (qemuParseISCSIString(def) < 0)
goto error;
+ } else if (STRPREFIX(def->src->path, "iser:")) {
+ def->src->type = VIR_STORAGE_TYPE_NETWORK;
+ def->src->protocol = VIR_STORAGE_NET_PROTOCOL_ISER;
+
+ if (qemuParseISCSIString(def) < 0)
+ goto error;
} else if (STRPREFIX(def->src->path, "sheepdog:")) {
char *p = def->src->path;
char *port, *vdi;
@@ -2157,6 +2163,7 @@ qemuParseCommandLine(virCapsPtr caps,
goto error;
break;
+ case VIR_STORAGE_NET_PROTOCOL_ISER:
case VIR_STORAGE_NET_PROTOCOL_ISCSI:
if (qemuParseISCSIString(disk) < 0)
goto error;
diff --git a/src/util/virstoragefile.c b/src/util/virstoragefile.c
index 6594715e5..cf5c2904e 100644
--- a/src/util/virstoragefile.c
+++ b/src/util/virstoragefile.c
@@ -81,6 +81,7 @@ VIR_ENUM_IMPL(virStorageNetProtocol, VIR_STORAGE_NET_PROTOCOL_LAST,
"sheepdog",
"gluster",
"iscsi",
+ "iser",
"http",
"https",
"ftp",
@@ -2750,6 +2751,7 @@ virStorageSourceParseBackingColon(virStorageSourcePtr src,
case VIR_STORAGE_NET_PROTOCOL_FTPS:
case VIR_STORAGE_NET_PROTOCOL_TFTP:
case VIR_STORAGE_NET_PROTOCOL_ISCSI:
+ case VIR_STORAGE_NET_PROTOCOL_ISER:
case VIR_STORAGE_NET_PROTOCOL_GLUSTER:
case VIR_STORAGE_NET_PROTOCOL_SSH:
case VIR_STORAGE_NET_PROTOCOL_VXHS:
@@ -3040,6 +3042,77 @@ virStorageSourceParseBackingJSONiSCSI(virStorageSourcePtr src,
return ret;
}
+static int
+virStorageSourceParseBackingJSONiSER(virStorageSourcePtr src,
+ virJSONValuePtr json,
+ int opaque ATTRIBUTE_UNUSED)
+{
+ const char *transport = virJSONValueObjectGetString(json, "transport");
+ const char *portal = virJSONValueObjectGetString(json, "portal");
+ const char *target = virJSONValueObjectGetString(json, "target");
+ const char *uri;
+ char *port;
+ unsigned int lun = 0;
+ char *fulltarget = NULL;
+ int ret = -1;
+
+ /* legacy URI based syntax passed via 'filename' option */
+ if ((uri = virJSONValueObjectGetString(json, "filename")))
+ return virStorageSourceParseBackingJSONUriStr(src, uri,
+ VIR_STORAGE_NET_PROTOCOL_ISER);
+
+ src->type = VIR_STORAGE_TYPE_NETWORK;
+ src->protocol = VIR_STORAGE_NET_PROTOCOL_ISER;
+
+ if (VIR_ALLOC(src->hosts) < 0)
+ goto cleanup;
+
+ src->nhosts = 1;
+
+ if (STRNEQ_NULLABLE(transport, "iser")) {
+ virReportError(VIR_ERR_INVALID_ARG, "%s",
+ _("only ISER transport is supported for iSER volumes"));
+ goto cleanup;
+ }
+
+ src->hosts->transport = VIR_STORAGE_NET_HOST_TRANS_TCP;
+
+ if (!portal) {
+ virReportError(VIR_ERR_INVALID_ARG, "%s",
+ _("missing 'portal' address in iSER backing definition"));
+ goto cleanup;
+ }
+
+ if (!target) {
+ virReportError(VIR_ERR_INVALID_ARG, "%s",
+ _("missing 'target' in iSER backing definition"));
+ goto cleanup;
+ }
+
+ if (VIR_STRDUP(src->hosts->name, portal) < 0)
+ goto cleanup;
+
+ if ((port = strrchr(src->hosts->name, ':')) &&
+ !strchr(port, ']')) {
+ if (virStringParsePort(port + 1, &src->hosts->port) < 0)
+ goto cleanup;
+
+ *port = '\0';
+ }
+
+ ignore_value(virJSONValueObjectGetNumberUint(json, "lun", &lun));
+
+ if (virAsprintf(&fulltarget, "%s/%u", target, lun) < 0)
+ goto cleanup;
+
+ VIR_STEAL_PTR(src->path, fulltarget);
+
+ ret = 0;
+
+ cleanup:
+ VIR_FREE(fulltarget);
+ return ret;
+}
static int
virStorageSourceParseBackingJSONNbd(virStorageSourcePtr src,
@@ -3295,6 +3368,7 @@ static const struct virStorageSourceJSONDriverParser jsonParsers[] = {
{"tftp", virStorageSourceParseBackingJSONUri, VIR_STORAGE_NET_PROTOCOL_TFTP},
{"gluster", virStorageSourceParseBackingJSONGluster, 0},
{"iscsi", virStorageSourceParseBackingJSONiSCSI, 0},
+ {"iser", virStorageSourceParseBackingJSONiSER, 0},
{"nbd", virStorageSourceParseBackingJSONNbd, 0},
{"sheepdog", virStorageSourceParseBackingJSONSheepdog, 0},
{"ssh", virStorageSourceParseBackingJSONSSH, 0},
@@ -4054,6 +4128,7 @@ virStorageSourceNetworkDefaultPort(virStorageNetProtocol protocol)
return 22;
case VIR_STORAGE_NET_PROTOCOL_ISCSI:
+ case VIR_STORAGE_NET_PROTOCOL_ISER:
return 3260;
case VIR_STORAGE_NET_PROTOCOL_GLUSTER:
diff --git a/src/util/virstoragefile.h b/src/util/virstoragefile.h
index 24382a0a6..33771ddaf 100644
--- a/src/util/virstoragefile.h
+++ b/src/util/virstoragefile.h
@@ -129,6 +129,7 @@ typedef enum {
VIR_STORAGE_NET_PROTOCOL_SHEEPDOG,
VIR_STORAGE_NET_PROTOCOL_GLUSTER,
VIR_STORAGE_NET_PROTOCOL_ISCSI,
+ VIR_STORAGE_NET_PROTOCOL_ISER,
VIR_STORAGE_NET_PROTOCOL_HTTP,
VIR_STORAGE_NET_PROTOCOL_HTTPS,
VIR_STORAGE_NET_PROTOCOL_FTP,
--
2.13.6 (Apple Git-96)
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