vmstate: Add pre/post_save() hooks

[qemu] / hw / mipsnet.c

diff --git a/hw/mipsnet.c b/hw/mipsnet.c
index 549e6f3..e98c576 100644 (file)
--- a/hw/mipsnet.c
+++ b/hw/mipsnet.c
@@ -33,9 +33,9 @@ typedef struct MIPSnetState {
     uint32_t intctl;
     uint8_t rx_buffer[MAX_ETH_FRAME_SIZE];
     uint8_t tx_buffer[MAX_ETH_FRAME_SIZE];
+    int io_base;
     qemu_irq irq;
     VLANClientState *vc;
-    NICInfo *nd;
 } MIPSnetState;
 
 static void mipsnet_reset(MIPSnetState *s)
@@ -66,24 +66,24 @@ static int mipsnet_buffer_full(MIPSnetState *s)
     return 0;
 }
 
-static int mipsnet_can_receive(void *opaque)
+static int mipsnet_can_receive(VLANClientState *vc)
 {
-    MIPSnetState *s = opaque;
+    MIPSnetState *s = vc->opaque;
 
     if (s->busy)
         return 0;
     return !mipsnet_buffer_full(s);
 }
 
-static void mipsnet_receive(void *opaque, const uint8_t *buf, int size)
+static ssize_t mipsnet_receive(VLANClientState *vc, const uint8_t *buf, size_t size)
 {
-    MIPSnetState *s = opaque;
+    MIPSnetState *s = vc->opaque;
 
 #ifdef DEBUG_MIPSNET_RECEIVE
     printf("mipsnet: receiving len=%d\n", size);
 #endif
-    if (!mipsnet_can_receive(opaque))
-        return;
+    if (!mipsnet_can_receive(vc))
+        return -1;
 
     s->busy = 1;
 
@@ -98,6 +98,8 @@ static void mipsnet_receive(void *opaque, const uint8_t *buf, int size)
     /* Now we can signal we have received something. */
     s->intctl |= MIPSNET_INTCTL_RXDONE;
     mipsnet_update_irq(s);
+
+    return size;
 }
 
 static uint32_t mipsnet_ioport_read(void *opaque, uint32_t addr)
@@ -232,13 +234,24 @@ static int mipsnet_load(QEMUFile *f, void *opaque, int version_id)
     return 0;
 }
 
+static void mipsnet_cleanup(VLANClientState *vc)
+{
+    MIPSnetState *s = vc->opaque;
+
+    unregister_savevm("mipsnet", s);
+
+    isa_unassign_ioport(s->io_base, 36);
+
+    qemu_free(s);
+}
+
 void mipsnet_init (int base, qemu_irq irq, NICInfo *nd)
 {
     MIPSnetState *s;
 
+    qemu_check_nic_model(nd, "mipsnet");
+
     s = qemu_mallocz(sizeof(MIPSnetState));
-    if (!s)
-        return;
 
     register_ioport_write(base, 36, 1, mipsnet_ioport_write, s);
     register_ioport_read(base, 36, 1, mipsnet_ioport_read, s);
@@ -247,23 +260,17 @@ void mipsnet_init (int base, qemu_irq irq, NICInfo *nd)
     register_ioport_write(base, 36, 4, mipsnet_ioport_write, s);
     register_ioport_read(base, 36, 4, mipsnet_ioport_read, s);
 
+    s->io_base = base;
     s->irq = irq;
-    s->nd = nd;
     if (nd && nd->vlan) {
-        s->vc = qemu_new_vlan_client(nd->vlan, nd->model,
-                                     mipsnet_receive, mipsnet_can_receive, s);
+        s->vc = nd->vc = qemu_new_vlan_client(nd->vlan, nd->model, nd->name,
+                                              mipsnet_can_receive, mipsnet_receive,
+                                              NULL, mipsnet_cleanup, s);
     } else {
         s->vc = NULL;
     }
 
-    snprintf(s->vc->info_str, sizeof(s->vc->info_str),
-             "mipsnet macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
-              s->nd->macaddr[0],
-              s->nd->macaddr[1],
-              s->nd->macaddr[2],
-              s->nd->macaddr[3],
-              s->nd->macaddr[4],
-              s->nd->macaddr[5]);
+    qemu_format_nic_info_str(s->vc, nd->macaddr);
 
     mipsnet_reset(s);
     register_savevm("mipsnet", 0, 0, mipsnet_save, mipsnet_load, s);