spapr: Move RMA memory region registration code

[mirror_qemu.git] / spice-qemu-char.c

diff --git a/spice-qemu-char.c b/spice-qemu-char.c
index 7e551bf46e99bad0911363205edbeed7dffb9ab2..4518a4d97d58d3235d32cf4f4a92c9108a587f2f 100644 (file)
--- a/spice-qemu-char.c
+++ b/spice-qemu-char.c
@@ -11,12 +11,10 @@
 typedef struct SpiceCharDriver {
     CharDriverState*      chr;
     SpiceCharDeviceInstance     sin;
-    char                  *subtype;
     bool                  active;
     bool                  blocked;
-    uint8_t               *buffer;
-    uint8_t               *datapos;
-    ssize_t               bufsize, datalen;
+    const uint8_t         *datapos;
+    int                   datalen;
     QLIST_ENTRY(SpiceCharDriver) next;
 } SpiceCharDriver;
 
@@ -36,7 +34,8 @@ static int vmc_write(SpiceCharDeviceInstance *sin, const uint8_t *buf, int len)
     uint8_t* p = (uint8_t*)buf;
 
     while (len > 0) {
-        last_out = MIN(len, qemu_chr_be_can_write(scd->chr));
+        int can_write = qemu_chr_be_can_write(scd->chr);
+        last_out = MIN(len, can_write);
         if (last_out <= 0) {
             break;
         }
@@ -186,12 +185,7 @@ static int spice_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
     int read_bytes;
 
     assert(s->datalen == 0);
-    if (s->bufsize < len) {
-        s->bufsize = len;
-        s->buffer = g_realloc(s->buffer, s->bufsize);
-    }
-    memcpy(s->buffer, buf, len);
-    s->datapos = s->buffer;
+    s->datapos = buf;
     s->datalen = len;
     spice_server_char_device_wakeup(&s->sin);
     read_bytes = len - s->datalen;
@@ -218,7 +212,7 @@ static void spice_chr_close(struct CharDriverState *chr)
     g_free(s);
 }
 
-static void spice_chr_set_fe_open(struct CharDriverState *chr, int fe_open)
+static void spice_vmc_set_fe_open(struct CharDriverState *chr, int fe_open)
 {
     SpiceCharDriver *s = chr->opaque;
     if (fe_open) {
@@ -228,6 +222,28 @@ static void spice_chr_set_fe_open(struct CharDriverState *chr, int fe_open)
     }
 }
 
+static void spice_port_set_fe_open(struct CharDriverState *chr, int fe_open)
+{
+#if SPICE_SERVER_VERSION >= 0x000c02
+    SpiceCharDriver *s = chr->opaque;
+
+    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_fe_event(struct CharDriverState *chr, int event)
+{
+#if SPICE_SERVER_VERSION >= 0x000c02
+    SpiceCharDriver *s = chr->opaque;
+
+    spice_server_port_event(&s->sin, event);
+#endif
+}
+
 static void print_allowed_subtypes(void)
 {
     const char** psubtype;
@@ -245,12 +261,14 @@ static void print_allowed_subtypes(void)
     fprintf(stderr, "\n");
 }
 
-static CharDriverState *chr_open(const char *subtype)
+static CharDriverState *chr_open(const char *subtype,
+    void (*set_fe_open)(struct CharDriverState *, int))
+
 {
     CharDriverState *chr;
     SpiceCharDriver *s;
 
-    chr = g_malloc0(sizeof(CharDriverState));
+    chr = qemu_chr_alloc();
     s = g_malloc0(sizeof(SpiceCharDriver));
     s->chr = chr;
     s->active = false;
@@ -259,7 +277,9 @@ static CharDriverState *chr_open(const char *subtype)
     chr->chr_write = spice_chr_write;
     chr->chr_add_watch = spice_chr_add_watch;
     chr->chr_close = spice_chr_close;
-    chr->chr_set_fe_open = spice_chr_set_fe_open;
+    chr->chr_set_fe_open = set_fe_open;
+    chr->explicit_be_open = true;
+    chr->chr_fe_event = spice_chr_fe_event;
 
     QLIST_INSERT_HEAD(&spice_chars, s, next);
 
@@ -286,7 +306,7 @@ CharDriverState *qemu_chr_open_spice_vmc(const char *type)
         return NULL;
     }
 
-    return chr_open(type);
+    return chr_open(type, spice_vmc_set_fe_open);
 }
 
 #if SPICE_SERVER_VERSION >= 0x000c02
@@ -300,7 +320,7 @@ CharDriverState *qemu_chr_open_spice_port(const char *name)
         return NULL;
     }
 
-    chr = chr_open("port");
+    chr = chr_open("port", spice_port_set_fe_open);
     s = chr->opaque;
     s->sin.portname = g_strdup(name);