summaryrefslogtreecommitdiff
path: root/spice-qemu-char.c
diff options
context:
space:
mode:
Diffstat (limited to 'spice-qemu-char.c')
-rw-r--r--spice-qemu-char.c142
1 files changed, 81 insertions, 61 deletions
diff --git a/spice-qemu-char.c b/spice-qemu-char.c
index 5e5897b189..dd97c17fca 100644
--- a/spice-qemu-char.c
+++ b/spice-qemu-char.c
@@ -18,6 +18,12 @@ typedef struct SpiceChardev {
QLIST_ENTRY(SpiceChardev) next;
} SpiceChardev;
+#define TYPE_CHARDEV_SPICE "chardev-spice"
+#define TYPE_CHARDEV_SPICEVMC "chardev-spicevmc"
+#define TYPE_CHARDEV_SPICEPORT "chardev-spiceport"
+
+#define SPICE_CHARDEV(obj) OBJECT_CHECK(SpiceChardev, (obj), TYPE_CHARDEV_SPICE)
+
typedef struct SpiceCharSource {
GSource source;
SpiceChardev *scd;
@@ -29,7 +35,7 @@ static QLIST_HEAD(, SpiceChardev) spice_chars =
static int vmc_write(SpiceCharDeviceInstance *sin, const uint8_t *buf, int len)
{
SpiceChardev *scd = container_of(sin, SpiceChardev, sin);
- Chardev *chr = (Chardev *)scd;
+ Chardev *chr = CHARDEV(scd);
ssize_t out = 0;
ssize_t last_out;
uint8_t* p = (uint8_t*)buf;
@@ -73,7 +79,7 @@ static int vmc_read(SpiceCharDeviceInstance *sin, uint8_t *buf, int len)
static void vmc_event(SpiceCharDeviceInstance *sin, uint8_t event)
{
SpiceChardev *scd = container_of(sin, SpiceChardev, sin);
- Chardev *chr = (Chardev *)scd;
+ Chardev *chr = CHARDEV(scd);
int chr_event;
switch (event) {
@@ -92,7 +98,7 @@ static void vmc_event(SpiceCharDeviceInstance *sin, uint8_t event)
static void vmc_state(SpiceCharDeviceInstance *sin, int connected)
{
SpiceChardev *scd = container_of(sin, SpiceChardev, sin);
- Chardev *chr = (Chardev *)scd;
+ Chardev *chr = CHARDEV(scd);
if ((chr->be_open && connected) ||
(!chr->be_open && !connected)) {
@@ -173,7 +179,7 @@ static GSourceFuncs SpiceCharSourceFuncs = {
static GSource *spice_chr_add_watch(Chardev *chr, GIOCondition cond)
{
- SpiceChardev *scd = (SpiceChardev *)chr;
+ SpiceChardev *scd = SPICE_CHARDEV(chr);
SpiceCharSource *src;
assert(cond & G_IO_OUT);
@@ -187,7 +193,7 @@ static GSource *spice_chr_add_watch(Chardev *chr, GIOCondition cond)
static int spice_chr_write(Chardev *chr, const uint8_t *buf, int len)
{
- SpiceChardev *s = (SpiceChardev *)chr;
+ SpiceChardev *s = SPICE_CHARDEV(chr);
int read_bytes;
assert(s->datalen == 0);
@@ -206,7 +212,7 @@ static int spice_chr_write(Chardev *chr, const uint8_t *buf, int len)
static void spice_chr_free(struct Chardev *chr)
{
- SpiceChardev *s = (SpiceChardev *)chr;
+ SpiceChardev *s = SPICE_CHARDEV(chr);
vmc_unregister_interface(s);
QLIST_REMOVE(s, next);
@@ -219,7 +225,7 @@ static void spice_chr_free(struct Chardev *chr)
static void spice_vmc_set_fe_open(struct Chardev *chr, int fe_open)
{
- SpiceChardev *s = (SpiceChardev *)chr;
+ SpiceChardev *s = SPICE_CHARDEV(chr);
if (fe_open) {
vmc_register_interface(s);
} else {
@@ -230,7 +236,7 @@ static void spice_vmc_set_fe_open(struct Chardev *chr, int fe_open)
static void spice_port_set_fe_open(struct Chardev *chr, int fe_open)
{
#if SPICE_SERVER_VERSION >= 0x000c02
- SpiceChardev *s = (SpiceChardev *)chr;
+ SpiceChardev *s = SPICE_CHARDEV(chr);
if (fe_open) {
spice_server_port_event(&s->sin, SPICE_PORT_EVENT_OPENED);
@@ -242,43 +248,29 @@ static void spice_port_set_fe_open(struct Chardev *chr, int fe_open)
static void spice_chr_accept_input(struct Chardev *chr)
{
- SpiceChardev *s = (SpiceChardev *)chr;
+ SpiceChardev *s = SPICE_CHARDEV(chr);
spice_server_char_device_wakeup(&s->sin);
}
-static Chardev *chr_open(const CharDriver *driver,
- const char *subtype,
- ChardevCommon *backend,
- Error **errp)
+static void chr_open(Chardev *chr, const char *subtype)
{
- Chardev *chr;
- SpiceChardev *s;
+ SpiceChardev *s = SPICE_CHARDEV(chr);
- chr = qemu_chr_alloc(driver, backend, errp);
- if (!chr) {
- return NULL;
- }
- s = (SpiceChardev *)chr;
s->active = false;
s->sin.subtype = g_strdup(subtype);
QLIST_INSERT_HEAD(&spice_chars, s, next);
-
- return chr;
}
-static Chardev *qemu_chr_open_spice_vmc(const CharDriver *driver,
- const char *id,
- ChardevBackend *backend,
- ChardevReturn *ret,
- bool *be_opened,
- Error **errp)
+static void qemu_chr_open_spice_vmc(Chardev *chr,
+ ChardevBackend *backend,
+ bool *be_opened,
+ Error **errp)
{
ChardevSpiceChannel *spicevmc = backend->u.spicevmc.data;
const char *type = spicevmc->type;
const char **psubtype = spice_server_char_device_recognized_subtypes();
- ChardevCommon *common = qapi_ChardevSpiceChannel_base(spicevmc);
for (; *psubtype != NULL; ++psubtype) {
if (strcmp(type, *psubtype) == 0) {
@@ -294,41 +286,33 @@ static Chardev *qemu_chr_open_spice_vmc(const CharDriver *driver,
subtypes);
g_free(subtypes);
- return NULL;
+ return;
}
*be_opened = false;
- return chr_open(driver, type, common, errp);
+ chr_open(chr, type);
}
#if SPICE_SERVER_VERSION >= 0x000c02
-static Chardev *qemu_chr_open_spice_port(const CharDriver *driver,
- const char *id,
- ChardevBackend *backend,
- ChardevReturn *ret,
- bool *be_opened,
- Error **errp)
+static void qemu_chr_open_spice_port(Chardev *chr,
+ ChardevBackend *backend,
+ bool *be_opened,
+ Error **errp)
{
ChardevSpicePort *spiceport = backend->u.spiceport.data;
const char *name = spiceport->fqdn;
- ChardevCommon *common = qapi_ChardevSpicePort_base(spiceport);
- Chardev *chr;
SpiceChardev *s;
if (name == NULL) {
error_setg(errp, "missing name parameter");
- return NULL;
+ return;
}
- chr = chr_open(driver, "port", common, errp);
- if (!chr) {
- return NULL;
- }
+ chr_open(chr, "port");
+
*be_opened = false;
- s = (SpiceChardev *)chr;
+ s = SPICE_CHARDEV(chr);
s->sin.portname = g_strdup(name);
-
- return chr;
}
void qemu_spice_register_ports(void)
@@ -374,32 +358,68 @@ static void qemu_chr_parse_spice_port(QemuOpts *opts, ChardevBackend *backend,
spiceport->fqdn = g_strdup(name);
}
+static void char_spice_class_init(ObjectClass *oc, void *data)
+{
+ ChardevClass *cc = CHARDEV_CLASS(oc);
+
+ cc->chr_write = spice_chr_write;
+ cc->chr_add_watch = spice_chr_add_watch;
+ cc->chr_accept_input = spice_chr_accept_input;
+ cc->chr_free = spice_chr_free;
+}
+
+static const TypeInfo char_spice_type_info = {
+ .name = TYPE_CHARDEV_SPICE,
+ .parent = TYPE_CHARDEV,
+ .instance_size = sizeof(SpiceChardev),
+ .class_init = char_spice_class_init,
+ .abstract = true,
+};
+
+static void char_spicevmc_class_init(ObjectClass *oc, void *data)
+{
+ ChardevClass *cc = CHARDEV_CLASS(oc);
+
+ cc->open = qemu_chr_open_spice_vmc;
+ cc->chr_set_fe_open = spice_vmc_set_fe_open;
+}
+
+static const TypeInfo char_spicevmc_type_info = {
+ .name = TYPE_CHARDEV_SPICEVMC,
+ .parent = TYPE_CHARDEV_SPICE,
+ .class_init = char_spicevmc_class_init,
+};
+
+static void char_spiceport_class_init(ObjectClass *oc, void *data)
+{
+ ChardevClass *cc = CHARDEV_CLASS(oc);
+
+ cc->open = qemu_chr_open_spice_port;
+ cc->chr_set_fe_open = spice_port_set_fe_open;
+}
+
+static const TypeInfo char_spiceport_type_info = {
+ .name = TYPE_CHARDEV_SPICEPORT,
+ .parent = TYPE_CHARDEV_SPICE,
+ .class_init = char_spiceport_class_init,
+};
+
static void register_types(void)
{
static const CharDriver vmc_driver = {
- .instance_size = sizeof(SpiceChardev),
.kind = CHARDEV_BACKEND_KIND_SPICEVMC,
.parse = qemu_chr_parse_spice_vmc,
- .create = qemu_chr_open_spice_vmc,
- .chr_write = spice_chr_write,
- .chr_add_watch = spice_chr_add_watch,
- .chr_set_fe_open = spice_vmc_set_fe_open,
- .chr_accept_input = spice_chr_accept_input,
- .chr_free = spice_chr_free,
};
static const CharDriver port_driver = {
- .instance_size = sizeof(SpiceChardev),
.kind = CHARDEV_BACKEND_KIND_SPICEPORT,
.parse = qemu_chr_parse_spice_port,
- .create = qemu_chr_open_spice_port,
- .chr_write = spice_chr_write,
- .chr_add_watch = spice_chr_add_watch,
- .chr_set_fe_open = spice_port_set_fe_open,
- .chr_accept_input = spice_chr_accept_input,
- .chr_free = spice_chr_free,
};
register_char_driver(&vmc_driver);
register_char_driver(&port_driver);
+
+ type_register_static(&char_spice_type_info);
+ type_register_static(&char_spicevmc_type_info);
+ type_register_static(&char_spiceport_type_info);
}
type_init(register_types);
generated by cgit v1.2.1 (git 2.18.0) at 2024-06-30 17:25:29 +0000