char: move char devices to chardev/

Suggested by Paolo Bonzini during series review.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>

1 files changed, 0 insertions, 421 deletions

diff --git a/spice-qemu-char.c b/spice-qemu-char.c
deleted file mode 100644
index 1c6c2e3969..0000000000
--- a/spice-qemu-char.c
+++ /dev/null
@@ -1,421 +0,0 @@
-#include "qemu/osdep.h"
-#include "trace-root.h"
-#include "ui/qemu-spice.h"
-#include "chardev/char.h"
-#include "qemu/error-report.h"
-#include <spice.h>
-#include <spice/protocol.h>
-
-
-typedef struct SpiceChardev {
-    Chardev               parent;
-
-    SpiceCharDeviceInstance sin;
-    bool                  active;
-    bool                  blocked;
-    const uint8_t         *datapos;
-    int                   datalen;
-    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;
-} SpiceCharSource;
-
-static QLIST_HEAD(, SpiceChardev) spice_chars =
-    QLIST_HEAD_INITIALIZER(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);
-    ssize_t out = 0;
-    ssize_t last_out;
-    uint8_t* p = (uint8_t*)buf;
-
-    while (len > 0) {
-        int can_write = qemu_chr_be_can_write(chr);
-        last_out = MIN(len, can_write);
-        if (last_out <= 0) {
-            break;
-        }
-        qemu_chr_be_write(chr, p, last_out);
-        out += last_out;
-        len -= last_out;
-        p += last_out;
-    }
-
-    trace_spice_vmc_write(out, len + out);
-    return out;
-}
-
-static int vmc_read(SpiceCharDeviceInstance *sin, uint8_t *buf, int len)
-{
-    SpiceChardev *scd = container_of(sin, SpiceChardev, sin);
-    int bytes = MIN(len, scd->datalen);
-
-    if (bytes > 0) {
-        memcpy(buf, scd->datapos, bytes);
-        scd->datapos += bytes;
-        scd->datalen -= bytes;
-        assert(scd->datalen >= 0);
-    }
-    if (scd->datalen == 0) {
-        scd->datapos = 0;
-        scd->blocked = false;
-    }
-    trace_spice_vmc_read(bytes, len);
-    return bytes;
-}
-
-#if SPICE_SERVER_VERSION >= 0x000c02
-static void vmc_event(SpiceCharDeviceInstance *sin, uint8_t event)
-{
-    SpiceChardev *scd = container_of(sin, SpiceChardev, sin);
-    Chardev *chr = CHARDEV(scd);
-    int chr_event;
-
-    switch (event) {
-    case SPICE_PORT_EVENT_BREAK:
-        chr_event = CHR_EVENT_BREAK;
-        break;
-    default:
-        return;
-    }
-
-    trace_spice_vmc_event(chr_event);
-    qemu_chr_be_event(chr, chr_event);
-}
-#endif
-
-static void vmc_state(SpiceCharDeviceInstance *sin, int connected)
-{
-    SpiceChardev *scd = container_of(sin, SpiceChardev, sin);
-    Chardev *chr = CHARDEV(scd);
-
-    if ((chr->be_open && connected) ||
-        (!chr->be_open && !connected)) {
-        return;
-    }
-
-    qemu_chr_be_event(chr,
-                      connected ? CHR_EVENT_OPENED : CHR_EVENT_CLOSED);
-}
-
-static SpiceCharDeviceInterface vmc_interface = {
-    .base.type          = SPICE_INTERFACE_CHAR_DEVICE,
-    .base.description   = "spice virtual channel char device",
-    .base.major_version = SPICE_INTERFACE_CHAR_DEVICE_MAJOR,
-    .base.minor_version = SPICE_INTERFACE_CHAR_DEVICE_MINOR,
-    .state              = vmc_state,
-    .write              = vmc_write,
-    .read               = vmc_read,
-#if SPICE_SERVER_VERSION >= 0x000c02
-    .event              = vmc_event,
-#endif
-#if SPICE_SERVER_VERSION >= 0x000c06
-    .flags              = SPICE_CHAR_DEVICE_NOTIFY_WRITABLE,
-#endif
-};
-
-
-static void vmc_register_interface(SpiceChardev *scd)
-{
-    if (scd->active) {
-        return;
-    }
-    scd->sin.base.sif = &vmc_interface.base;
-    qemu_spice_add_interface(&scd->sin.base);
-    scd->active = true;
-    trace_spice_vmc_register_interface(scd);
-}
-
-static void vmc_unregister_interface(SpiceChardev *scd)
-{
-    if (!scd->active) {
-        return;
-    }
-    spice_server_remove_interface(&scd->sin.base);
-    scd->active = false;
-    trace_spice_vmc_unregister_interface(scd);
-}
-
-static gboolean spice_char_source_prepare(GSource *source, gint *timeout)
-{
-    SpiceCharSource *src = (SpiceCharSource *)source;
-
-    *timeout = -1;
-
-    return !src->scd->blocked;
-}
-
-static gboolean spice_char_source_check(GSource *source)
-{
-    SpiceCharSource *src = (SpiceCharSource *)source;
-
-    return !src->scd->blocked;
-}
-
-static gboolean spice_char_source_dispatch(GSource *source,
-    GSourceFunc callback, gpointer user_data)
-{
-    GIOFunc func = (GIOFunc)callback;
-
-    return func(NULL, G_IO_OUT, user_data);
-}
-
-static GSourceFuncs SpiceCharSourceFuncs = {
-    .prepare  = spice_char_source_prepare,
-    .check    = spice_char_source_check,
-    .dispatch = spice_char_source_dispatch,
-};
-
-static GSource *spice_chr_add_watch(Chardev *chr, GIOCondition cond)
-{
-    SpiceChardev *scd = SPICE_CHARDEV(chr);
-    SpiceCharSource *src;
-
-    assert(cond & G_IO_OUT);
-
-    src = (SpiceCharSource *)g_source_new(&SpiceCharSourceFuncs,
-                                          sizeof(SpiceCharSource));
-    src->scd = scd;
-
-    return (GSource *)src;
-}
-
-static int spice_chr_write(Chardev *chr, const uint8_t *buf, int len)
-{
-    SpiceChardev *s = SPICE_CHARDEV(chr);
-    int read_bytes;
-
-    assert(s->datalen == 0);
-    s->datapos = buf;
-    s->datalen = len;
-    spice_server_char_device_wakeup(&s->sin);
-    read_bytes = len - s->datalen;
-    if (read_bytes != len) {
-        /* We'll get passed in the unconsumed data with the next call */
-        s->datalen = 0;
-        s->datapos = NULL;
-        s->blocked = true;
-    }
-    return read_bytes;
-}
-
-static void char_spice_finalize(Object *obj)
-{
-    SpiceChardev *s = SPICE_CHARDEV(obj);
-
-    vmc_unregister_interface(s);
-
-    if (s->next.le_prev) {
-        QLIST_REMOVE(s, next);
-    }
-
-    g_free((char *)s->sin.subtype);
-#if SPICE_SERVER_VERSION >= 0x000c02
-    g_free((char *)s->sin.portname);
-#endif
-}
-
-static void spice_vmc_set_fe_open(struct Chardev *chr, int fe_open)
-{
-    SpiceChardev *s = SPICE_CHARDEV(chr);
-    if (fe_open) {
-        vmc_register_interface(s);
-    } else {
-        vmc_unregister_interface(s);
-    }
-}
-
-static void spice_port_set_fe_open(struct Chardev *chr, int fe_open)
-{
-#if SPICE_SERVER_VERSION >= 0x000c02
-    SpiceChardev *s = SPICE_CHARDEV(chr);
-
-    if (fe_open) {
-        spice_server_port_event(&s->sin, SPICE_PORT_EVENT_OPENED);
-    } else {
-        spice_server_port_event(&s->sin, SPICE_PORT_EVENT_CLOSED);
-    }
-#endif
-}
-
-static void spice_chr_accept_input(struct Chardev *chr)
-{
-    SpiceChardev *s = SPICE_CHARDEV(chr);
-
-    spice_server_char_device_wakeup(&s->sin);
-}
-
-static void chr_open(Chardev *chr, const char *subtype)
-{
-    SpiceChardev *s = SPICE_CHARDEV(chr);
-
-    s->active = false;
-    s->sin.subtype = g_strdup(subtype);
-
-    QLIST_INSERT_HEAD(&spice_chars, s, next);
-}
-
-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();
-
-    for (; *psubtype != NULL; ++psubtype) {
-        if (strcmp(type, *psubtype) == 0) {
-            break;
-        }
-    }
-    if (*psubtype == NULL) {
-        char *subtypes = g_strjoinv(", ",
-            (gchar **)spice_server_char_device_recognized_subtypes());
-
-        error_setg(errp, "unsupported type name: %s", type);
-        error_append_hint(errp, "allowed spice char type names: %s\n",
-                          subtypes);
-
-        g_free(subtypes);
-        return;
-    }
-
-    *be_opened = false;
-    chr_open(chr, type);
-}
-
-#if SPICE_SERVER_VERSION >= 0x000c02
-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;
-    SpiceChardev *s;
-
-    if (name == NULL) {
-        error_setg(errp, "missing name parameter");
-        return;
-    }
-
-    chr_open(chr, "port");
-
-    *be_opened = false;
-    s = SPICE_CHARDEV(chr);
-    s->sin.portname = g_strdup(name);
-}
-
-void qemu_spice_register_ports(void)
-{
-    SpiceChardev *s;
-
-    QLIST_FOREACH(s, &spice_chars, next) {
-        if (s->sin.portname == NULL) {
-            continue;
-        }
-        vmc_register_interface(s);
-    }
-}
-#endif
-
-static void qemu_chr_parse_spice_vmc(QemuOpts *opts, ChardevBackend *backend,
-                                     Error **errp)
-{
-    const char *name = qemu_opt_get(opts, "name");
-    ChardevSpiceChannel *spicevmc;
-
-    if (name == NULL) {
-        error_setg(errp, "chardev: spice channel: no name given");
-        return;
-    }
-    backend->type = CHARDEV_BACKEND_KIND_SPICEVMC;
-    spicevmc = backend->u.spicevmc.data = g_new0(ChardevSpiceChannel, 1);
-    qemu_chr_parse_common(opts, qapi_ChardevSpiceChannel_base(spicevmc));
-    spicevmc->type = g_strdup(name);
-}
-
-static void qemu_chr_parse_spice_port(QemuOpts *opts, ChardevBackend *backend,
-                                      Error **errp)
-{
-    const char *name = qemu_opt_get(opts, "name");
-    ChardevSpicePort *spiceport;
-
-    if (name == NULL) {
-        error_setg(errp, "chardev: spice port: no name given");
-        return;
-    }
-    backend->type = CHARDEV_BACKEND_KIND_SPICEPORT;
-    spiceport = backend->u.spiceport.data = g_new0(ChardevSpicePort, 1);
-    qemu_chr_parse_common(opts, qapi_ChardevSpicePort_base(spiceport));
-    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;
-}
-
-static const TypeInfo char_spice_type_info = {
-    .name = TYPE_CHARDEV_SPICE,
-    .parent = TYPE_CHARDEV,
-    .instance_size = sizeof(SpiceChardev),
-    .instance_finalize = char_spice_finalize,
-    .class_init = char_spice_class_init,
-    .abstract = true,
-};
-
-static void char_spicevmc_class_init(ObjectClass *oc, void *data)
-{
-    ChardevClass *cc = CHARDEV_CLASS(oc);
-
-    cc->parse = qemu_chr_parse_spice_vmc;
-    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->parse = qemu_chr_parse_spice_port;
-    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)
-{
-    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);