[Qemu-devel] [PATCH 8/9] chardev: hotplug, qmp, serial

[Gerd Hoffmann <kraxel@redhat.com>]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 qapi-schema.json |    3 ++-
 qemu-char.c      |   16 ++++++++++++++--
 2 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/qapi-schema.json b/qapi-schema.json
index 7e5c8c2..d833385 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -3036,7 +3036,8 @@
 { 'type': 'ChardevFile', 'data': { '*in' : 'ChardevFileSource',
                                    'out' : 'ChardevFileSource' } }
 
-{ 'enum': 'ChardevPortKind', 'data': [ 'tty' ] }
+{ 'enum': 'ChardevPortKind', 'data': [ 'tty',
+                                       'serial' ] }
 
 { 'type': 'ChardevPort', 'data': { 'device' : 'ChardevFileSource',
                                    'type'   : 'ChardevPortKind'} }
diff --git a/qemu-char.c b/qemu-char.c
index 28e4991..9f23c25 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -1662,9 +1662,8 @@ static int win_chr_poll(void *opaque)
     return 0;
 }
 
-static CharDriverState *qemu_chr_open_win(QemuOpts *opts)
+static CharDriverState *qemu_chr_open_win_path(const char *filename)
 {
-    const char *filename = qemu_opt_get(opts, "path");
     CharDriverState *chr;
     WinCharState *s;
 
@@ -1683,6 +1682,11 @@ static CharDriverState *qemu_chr_open_win(QemuOpts *opts)
     return chr;
 }
 
+static CharDriverState *qemu_chr_open_win(QemuOpts *opts)
+{
+    return qemu_chr_open_win_path(qemu_opt_get(opts, "path"));
+}
+
 static int win_chr_pipe_poll(void *opaque)
 {
     CharDriverState *chr = opaque;
@@ -2957,7 +2961,14 @@ static CharDriverState *qmp_chardev_open_file(ChardevFile *file, Error **errp)
 
 static CharDriverState *qmp_chardev_open_port(ChardevPort *port, Error **errp)
 {
+    if (port->device->kind != CHARDEV_FILE_SOURCE_KIND_PATH) {
+        error_setg(errp, "only file paths supported");
+        return NULL;
+    }
+
     switch (port->type) {
+    case CHARDEV_PORT_KIND_SERIAL:
+        return qemu_chr_open_win_path(port->device->path);
     default:
         error_setg(errp, "unknown chardev port (%d)", port->type);
         return NULL;
@@ -3020,6 +3031,7 @@ static CharDriverState *qmp_chardev_open_port(ChardevPort *port, Error **errp)
     switch (port->type) {
 #ifdef HAVE_CHARDEV_TTY
     case CHARDEV_PORT_KIND_TTY:
+    case CHARDEV_PORT_KIND_SERIAL:
         flags = O_RDWR | O_NONBLOCK;
         fd = qmp_chardev_open_file_source(port->device, flags, errp);
         if (error_is_set(errp)) {
-- 
1.7.1