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[libvirt] [REPOST PATCH 3/8] qemu: Introduce qemuBuildRedirdevCommandLine



Add new function to manage adding the redirdev device options to the
command line removing that task from the mainline qemuBuildCommandLine.

Also move the qemuBuildRedirdevDevStr closer to the new function and
modify to use the const virDomainDef instead of virDomainDefPtr

Signed-off-by: John Ferlan <jferlan redhat com>
---
 src/qemu/qemu_command.c | 246 +++++++++++++++++++++++++-----------------------
 src/qemu/qemu_command.h |   2 +-
 2 files changed, 131 insertions(+), 117 deletions(-)

diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 2cf9576..b04578a 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -4237,93 +4237,6 @@ qemuBuildPCIHostdevPCIDevStr(virDomainHostdevDefPtr dev,
 
 
 char *
-qemuBuildRedirdevDevStr(virDomainDefPtr def,
-                        virDomainRedirdevDefPtr dev,
-                        virQEMUCapsPtr qemuCaps)
-{
-    size_t i;
-    virBuffer buf = VIR_BUFFER_INITIALIZER;
-    virDomainRedirFilterDefPtr redirfilter = def->redirfilter;
-
-    if (dev->bus != VIR_DOMAIN_REDIRDEV_BUS_USB) {
-        virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
-                       _("Redirection bus %s is not supported by QEMU"),
-                       virDomainRedirdevBusTypeToString(dev->bus));
-        goto error;
-    }
-
-    if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_USB_REDIR)) {
-        virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
-                       _("USB redirection is not supported "
-                         "by this version of QEMU"));
-        goto error;
-    }
-
-    virBufferAsprintf(&buf, "usb-redir,chardev=char%s,id=%s",
-                      dev->info.alias, dev->info.alias);
-
-    if (redirfilter && redirfilter->nusbdevs) {
-        if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_USB_REDIR_FILTER)) {
-            virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
-                           _("USB redirection filter is not "
-                             "supported by this version of QEMU"));
-            goto error;
-        }
-
-        virBufferAddLit(&buf, ",filter=");
-
-        for (i = 0; i < redirfilter->nusbdevs; i++) {
-            virDomainRedirFilterUSBDevDefPtr usbdev = redirfilter->usbdevs[i];
-            if (usbdev->usbClass >= 0)
-                virBufferAsprintf(&buf, "0x%02X:", usbdev->usbClass);
-            else
-                virBufferAddLit(&buf, "-1:");
-
-            if (usbdev->vendor >= 0)
-                virBufferAsprintf(&buf, "0x%04X:", usbdev->vendor);
-            else
-                virBufferAddLit(&buf, "-1:");
-
-            if (usbdev->product >= 0)
-                virBufferAsprintf(&buf, "0x%04X:", usbdev->product);
-            else
-                virBufferAddLit(&buf, "-1:");
-
-            if (usbdev->version >= 0)
-                virBufferAsprintf(&buf, "0x%04X:", usbdev->version);
-            else
-                virBufferAddLit(&buf, "-1:");
-
-            virBufferAsprintf(&buf, "%u", usbdev->allow);
-            if (i < redirfilter->nusbdevs -1)
-                virBufferAddLit(&buf, "|");
-        }
-    }
-
-    if (dev->info.bootIndex) {
-        if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_USB_REDIR_BOOTINDEX)) {
-            virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
-                           _("USB redirection booting is not "
-                             "supported by this version of QEMU"));
-            goto error;
-        }
-        virBufferAsprintf(&buf, ",bootindex=%d", dev->info.bootIndex);
-    }
-
-    if (qemuBuildDeviceAddressStr(&buf, def, &dev->info, qemuCaps) < 0)
-        goto error;
-
-    if (virBufferCheckError(&buf) < 0)
-        goto error;
-
-    return virBufferContentAndReset(&buf);
-
- error:
-    virBufferFreeAndReset(&buf);
-    return NULL;
-}
-
-char *
 qemuBuildUSBHostdevDevStr(virDomainDefPtr def,
                           virDomainHostdevDefPtr dev,
                           virQEMUCapsPtr qemuCaps)
@@ -8383,6 +8296,134 @@ qemuBuildConsoleCommandLine(virLogManagerPtr logManager,
 }
 
 
+char *
+qemuBuildRedirdevDevStr(const virDomainDef *def,
+                        virDomainRedirdevDefPtr dev,
+                        virQEMUCapsPtr qemuCaps)
+{
+    size_t i;
+    virBuffer buf = VIR_BUFFER_INITIALIZER;
+    virDomainRedirFilterDefPtr redirfilter = def->redirfilter;
+
+    if (dev->bus != VIR_DOMAIN_REDIRDEV_BUS_USB) {
+        virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+                       _("Redirection bus %s is not supported by QEMU"),
+                       virDomainRedirdevBusTypeToString(dev->bus));
+        goto error;
+    }
+
+    if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_USB_REDIR)) {
+        virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+                       _("USB redirection is not supported "
+                         "by this version of QEMU"));
+        goto error;
+    }
+
+    virBufferAsprintf(&buf, "usb-redir,chardev=char%s,id=%s",
+                      dev->info.alias, dev->info.alias);
+
+    if (redirfilter && redirfilter->nusbdevs) {
+        if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_USB_REDIR_FILTER)) {
+            virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+                           _("USB redirection filter is not "
+                             "supported by this version of QEMU"));
+            goto error;
+        }
+
+        virBufferAddLit(&buf, ",filter=");
+
+        for (i = 0; i < redirfilter->nusbdevs; i++) {
+            virDomainRedirFilterUSBDevDefPtr usbdev = redirfilter->usbdevs[i];
+            if (usbdev->usbClass >= 0)
+                virBufferAsprintf(&buf, "0x%02X:", usbdev->usbClass);
+            else
+                virBufferAddLit(&buf, "-1:");
+
+            if (usbdev->vendor >= 0)
+                virBufferAsprintf(&buf, "0x%04X:", usbdev->vendor);
+            else
+                virBufferAddLit(&buf, "-1:");
+
+            if (usbdev->product >= 0)
+                virBufferAsprintf(&buf, "0x%04X:", usbdev->product);
+            else
+                virBufferAddLit(&buf, "-1:");
+
+            if (usbdev->version >= 0)
+                virBufferAsprintf(&buf, "0x%04X:", usbdev->version);
+            else
+                virBufferAddLit(&buf, "-1:");
+
+            virBufferAsprintf(&buf, "%u", usbdev->allow);
+            if (i < redirfilter->nusbdevs -1)
+                virBufferAddLit(&buf, "|");
+        }
+    }
+
+    if (dev->info.bootIndex) {
+        if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_USB_REDIR_BOOTINDEX)) {
+            virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+                           _("USB redirection booting is not "
+                             "supported by this version of QEMU"));
+            goto error;
+        }
+        virBufferAsprintf(&buf, ",bootindex=%d", dev->info.bootIndex);
+    }
+
+    if (qemuBuildDeviceAddressStr(&buf, def, &dev->info, qemuCaps) < 0)
+        goto error;
+
+    if (virBufferCheckError(&buf) < 0)
+        goto error;
+
+    return virBufferContentAndReset(&buf);
+
+ error:
+    virBufferFreeAndReset(&buf);
+    return NULL;
+}
+
+
+static int
+qemuBuildRedirdevCommandLine(virLogManagerPtr logManager,
+                             virCommandPtr cmd,
+                             const virDomainDef *def,
+                             virQEMUCapsPtr qemuCaps)
+{
+    size_t i;
+
+    for (i = 0; i < def->nredirdevs; i++) {
+        virDomainRedirdevDefPtr redirdev = def->redirdevs[i];
+        char *devstr;
+
+        virCommandAddArg(cmd, "-chardev");
+        if (!(devstr = qemuBuildChrChardevStr(logManager, cmd, def,
+                                              &redirdev->source.chr,
+                                              redirdev->info.alias,
+                                              qemuCaps))) {
+            return -1;
+        }
+
+        virCommandAddArg(cmd, devstr);
+        VIR_FREE(devstr);
+
+        if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
+            virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+                           _("redirected devices are not supported by this QEMU"));
+            return -1;
+        }
+
+        virCommandAddArg(cmd, "-device");
+        if (!(devstr = qemuBuildRedirdevDevStr(def, redirdev, qemuCaps)))
+            return -1;
+        virCommandAddArg(cmd, devstr);
+        VIR_FREE(devstr);
+    }
+
+    return 0;
+}
+
+
 static int
 qemuBuildDomainLoaderCommandLine(virCommandPtr cmd,
                                  virDomainDefPtr def,
@@ -8913,35 +8954,8 @@ qemuBuildCommandLine(virConnectPtr conn,
     if (qemuBuildWatchdogCommandLine(cmd, def, qemuCaps) < 0)
         goto error;
 
-    /* Add redirected devices */
-    for (i = 0; i < def->nredirdevs; i++) {
-        virDomainRedirdevDefPtr redirdev = def->redirdevs[i];
-        char *devstr;
-
-        if (!(devstr = qemuBuildChrChardevStr(logManager, cmd, def,
-                                              &redirdev->source.chr,
-                                              redirdev->info.alias,
-                                              qemuCaps))) {
-            goto error;
-        }
-
-        virCommandAddArg(cmd, "-chardev");
-        virCommandAddArg(cmd, devstr);
-        VIR_FREE(devstr);
-
-        if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
-            virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
-                           _("redirected devices are not supported by this QEMU"));
-            goto error;
-        }
-
-
-        virCommandAddArg(cmd, "-device");
-        if (!(devstr = qemuBuildRedirdevDevStr(def, redirdev, qemuCaps)))
-            goto error;
-        virCommandAddArg(cmd, devstr);
-        VIR_FREE(devstr);
-    }
+    if (qemuBuildRedirdevCommandLine(logManager, cmd, def, qemuCaps) < 0)
+        goto error;
 
     /* Add host passthrough hardware */
     for (i = 0; i < def->nhostdevs; i++) {
diff --git a/src/qemu/qemu_command.h b/src/qemu/qemu_command.h
index e5b4445..841208f 100644
--- a/src/qemu/qemu_command.h
+++ b/src/qemu/qemu_command.h
@@ -194,7 +194,7 @@ char *qemuBuildSCSIHostdevDevStr(virDomainDefPtr def,
                                  virDomainHostdevDefPtr dev,
                                  virQEMUCapsPtr qemuCaps);
 
-char *qemuBuildRedirdevDevStr(virDomainDefPtr def,
+char *qemuBuildRedirdevDevStr(const virDomainDef *def,
                               virDomainRedirdevDefPtr dev,
                               virQEMUCapsPtr qemuCaps);
 
-- 
2.5.0


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