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[libvirt] [PATCH REPOST 2/8] qemu: Introduce qemuBuildSerialCommandLine



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

Using const virDomainDef causes collateral damage in other called APIs
which need to make the similar adjustment

Signed-off-by: John Ferlan <jferlan redhat com>
---
 src/qemu/qemu_capabilities.c |   2 +-
 src/qemu/qemu_capabilities.h |   2 +-
 src/qemu/qemu_command.c      | 114 ++++++++++++++++++++++++-------------------
 src/qemu/qemu_command.h      |   2 +-
 4 files changed, 67 insertions(+), 53 deletions(-)

diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index 403d872..b223837 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -3839,7 +3839,7 @@ virQEMUCapsCacheFree(virQEMUCapsCachePtr cache)
 
 
 bool
-virQEMUCapsSupportsChardev(virDomainDefPtr def,
+virQEMUCapsSupportsChardev(const virDomainDef *def,
                            virQEMUCapsPtr qemuCaps,
                            virDomainChrDefPtr chr)
 {
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index 01ceb8e..caf3d1b 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -450,7 +450,7 @@ int virQEMUCapsParseDeviceStr(virQEMUCapsPtr qemuCaps, const char *str);
 
 VIR_ENUM_DECL(virQEMUCaps);
 
-bool virQEMUCapsSupportsChardev(virDomainDefPtr def,
+bool virQEMUCapsSupportsChardev(const virDomainDef *def,
                                 virQEMUCapsPtr qemuCaps,
                                 virDomainChrDefPtr chr);
 
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 982541a..1659e71 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -4586,7 +4586,7 @@ qemuBuildMonitorCommandLine(virLogManagerPtr logManager,
 
 
 static char *
-qemuBuildVirtioSerialPortDevStr(virDomainDefPtr def,
+qemuBuildVirtioSerialPortDevStr(const virDomainDef *def,
                                 virDomainChrDefPtr dev,
                                 virQEMUCapsPtr qemuCaps)
 {
@@ -7743,7 +7743,7 @@ qemuBuildShmemCommandLine(virLogManagerPtr logManager,
 
 static int
 qemuBuildChrDeviceCommandLine(virCommandPtr cmd,
-                              virDomainDefPtr def,
+                              const virDomainDef *def,
                               virDomainChrDefPtr chr,
                               virQEMUCapsPtr qemuCaps)
 {
@@ -7757,6 +7757,62 @@ qemuBuildChrDeviceCommandLine(virCommandPtr cmd,
     return 0;
 }
 
+
+static int
+qemuBuildSerialCommandLine(virLogManagerPtr logManager,
+                           virCommandPtr cmd,
+                           const virDomainDef *def,
+                           virQEMUCapsPtr qemuCaps)
+{
+    size_t i;
+    int actualSerials = 0;
+    bool havespice = false;
+
+    if (def->nserials) {
+        for (i = 0; i < def->ngraphics && !havespice; i++) {
+            if (def->graphics[i]->type == VIR_DOMAIN_GRAPHICS_TYPE_SPICE)
+                havespice = true;
+        }
+    }
+
+    for (i = 0; i < def->nserials; i++) {
+        virDomainChrDefPtr serial = def->serials[i];
+        char *devstr;
+
+        if (serial->source.type == VIR_DOMAIN_CHR_TYPE_SPICEPORT && !havespice)
+            continue;
+
+        /* Use -chardev with -device if they are available */
+        if (virQEMUCapsSupportsChardev(def, qemuCaps, serial)) {
+            virCommandAddArg(cmd, "-chardev");
+            if (!(devstr = qemuBuildChrChardevStr(logManager, cmd, def,
+                                                  &serial->source,
+                                                  serial->info.alias,
+                                                  qemuCaps)))
+                return -1;
+            virCommandAddArg(cmd, devstr);
+            VIR_FREE(devstr);
+
+            if (qemuBuildChrDeviceCommandLine(cmd, def, serial, qemuCaps) < 0)
+                return -1;
+        } else {
+            virCommandAddArg(cmd, "-serial");
+            if (!(devstr = qemuBuildChrArgStr(&serial->source, NULL)))
+                return -1;
+            virCommandAddArg(cmd, devstr);
+            VIR_FREE(devstr);
+        }
+        actualSerials++;
+    }
+
+    /* If we have -device, then we set -nodefaults already */
+    if (!actualSerials && !virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE))
+        virCommandAddArgList(cmd, "-serial", "none", NULL);
+
+    return 0;
+}
+
+
 static int
 qemuBuildDomainLoaderCommandLine(virCommandPtr cmd,
                                  virDomainDefPtr def,
@@ -8122,10 +8178,8 @@ qemuBuildCommandLine(virConnectPtr conn,
     virErrorPtr originalError = NULL;
     size_t i, j;
     char uuid[VIR_UUID_STRING_BUFLEN];
-    bool havespice = false;
     virCommandPtr cmd = NULL;
     bool emitBootindex = false;
-    int actualSerials = 0;
     virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
     int bootHostdevNet = 0;
 
@@ -8255,48 +8309,8 @@ qemuBuildCommandLine(virConnectPtr conn,
     if (qemuBuildSmartcardCommandLine(logManager, cmd, def, qemuCaps) < 0)
         goto error;
 
-    if (def->nserials) {
-        for (i = 0; i < def->ngraphics; i++) {
-            if (def->graphics[i]->type == VIR_DOMAIN_GRAPHICS_TYPE_SPICE) {
-                havespice = true;
-                break;
-            }
-        }
-    }
-
-    for (i = 0; i < def->nserials; i++) {
-        virDomainChrDefPtr serial = def->serials[i];
-        char *devstr;
-
-        if (serial->source.type == VIR_DOMAIN_CHR_TYPE_SPICEPORT && !havespice)
-            continue;
-
-        /* Use -chardev with -device if they are available */
-        if (virQEMUCapsSupportsChardev(def, qemuCaps, serial)) {
-            if (!(devstr = qemuBuildChrChardevStr(logManager, cmd, def,
-                                                  &serial->source,
-                                                  serial->info.alias,
-                                                  qemuCaps)))
-                goto error;
-            virCommandAddArg(cmd, "-chardev");
-            virCommandAddArg(cmd, devstr);
-            VIR_FREE(devstr);
-
-            if (qemuBuildChrDeviceCommandLine(cmd, def, serial, qemuCaps) < 0)
-                goto error;
-        } else {
-            virCommandAddArg(cmd, "-serial");
-            if (!(devstr = qemuBuildChrArgStr(&serial->source, NULL)))
-                goto error;
-            virCommandAddArg(cmd, devstr);
-            VIR_FREE(devstr);
-        }
-        actualSerials++;
-    }
-
-    /* If we have -device, then we set -nodefault already */
-    if (!actualSerials && !virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE))
-            virCommandAddArgList(cmd, "-serial", "none", NULL);
+    if (qemuBuildSerialCommandLine(logManager, cmd, def, qemuCaps) < 0)
+        goto error;
 
     if (!def->nparallels) {
         /* If we have -device, then we set -nodefault already */
@@ -9204,7 +9218,7 @@ qemuBuildCommandLine(virConnectPtr conn,
  */
 static int
 qemuBuildSerialChrDeviceStr(char **deviceStr,
-                            virDomainDefPtr def,
+                            const virDomainDef *def,
                             virDomainChrDefPtr serial,
                             virQEMUCapsPtr qemuCaps,
                             virArch arch,
@@ -9299,7 +9313,7 @@ qemuBuildParallelChrDeviceStr(char **deviceStr,
 
 static int
 qemuBuildChannelChrDeviceStr(char **deviceStr,
-                             virDomainDefPtr def,
+                             const virDomainDef *def,
                              virDomainChrDefPtr chr,
                              virQEMUCapsPtr qemuCaps)
 {
@@ -9339,7 +9353,7 @@ qemuBuildChannelChrDeviceStr(char **deviceStr,
 
 static int
 qemuBuildConsoleChrDeviceStr(char **deviceStr,
-                             virDomainDefPtr def,
+                             const virDomainDef *def,
                              virDomainChrDefPtr chr,
                              virQEMUCapsPtr qemuCaps)
 {
@@ -9379,7 +9393,7 @@ qemuBuildConsoleChrDeviceStr(char **deviceStr,
 
 int
 qemuBuildChrDeviceStr(char **deviceStr,
-                      virDomainDefPtr vmdef,
+                      const virDomainDef *vmdef,
                       virDomainChrDefPtr chr,
                       virQEMUCapsPtr qemuCaps)
 {
diff --git a/src/qemu/qemu_command.h b/src/qemu/qemu_command.h
index 8167af8..0316f43 100644
--- a/src/qemu/qemu_command.h
+++ b/src/qemu/qemu_command.h
@@ -82,7 +82,7 @@ virCommandPtr qemuBuildCommandLine(virConnectPtr conn,
 /* Generate '-device' string for chardev device */
 int
 qemuBuildChrDeviceStr(char **deviceStr,
-                      virDomainDefPtr vmdef,
+                      const virDomainDef *vmdef,
                       virDomainChrDefPtr chr,
                       virQEMUCapsPtr qemuCaps);
 
-- 
2.5.0


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