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From bebcc44cfe5da8a4881292fa564869a481eea4ae Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Wed, 8 Sep 2010 11:49:40 +0200
Subject: [PATCH 37/39] Revert "spice: add virtio-serial based vdi port backend."

This reverts commit ef9e975b1d34c1426867cef832ba6238a401b740.
---
 Makefile.target |    1 -
 hw/spice-vmc.c  |  203 -------------------------------------------------------
 2 files changed, 0 insertions(+), 204 deletions(-)
 delete mode 100644 hw/spice-vmc.c

diff --git a/Makefile.target b/Makefile.target
index 90544c5..4da33b5 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -217,7 +217,6 @@ obj-i386-y += pc_piix.o
 obj-i386-y += testdev.o
 obj-i386-y += acpi.o acpi_piix4.o
 obj-i386-$(CONFIG_SPICE) += qxl.o qxl-logger.o qxl-render.o
-obj-i386-$(CONFIG_SPICE) += spice-vmc.o

 obj-i386-y += pcspk.o i8254.o
 obj-i386-$(CONFIG_KVM_PIT) += i8254-kvm.o
diff --git a/hw/spice-vmc.c b/hw/spice-vmc.c
deleted file mode 100644
index 3f6a2bb..0000000
--- a/hw/spice-vmc.c
+++ /dev/null
@@ -1,203 +0,0 @@
-/*
-
- Spice Virtual Machine Channel (VMC).
-
- A virtio-serial port used for spice to guest communication, over
- which spice client and a daemon in the guest operating system
- communicate.
-
- Replaces the old vdi_port PCI device.
-
-*/
-
-#include <stdio.h>
-#include <stdbool.h>
-#include <spice.h>
-#include <spice-experimental.h>
-
-#include "virtio-serial.h"
-#include "qemu-spice.h"
-
-#define VMC_GUEST_DEVICE_NAME "com.redhat.spice.0"
-#define VMC_DEVICE_NAME       "spicevmc"
-
-#define dprintf(_svc, _level, _fmt, ...)                                \
-    do {                                                                \
-        if (_svc->debug >= _level) {                                    \
-            fprintf(stderr, "svc: " _fmt, ## __VA_ARGS__);              \
-        }                                                               \
-    } while (0)
-
-typedef struct SpiceVirtualChannel {
-    VirtIOSerialPort      port;
-    VMChangeStateEntry    *vmstate;
-    SpiceVDIPortInstance  sin;
-    bool                  active;
-    uint8_t               *buffer;
-    uint8_t               *datapos;
-    ssize_t               bufsize, datalen;
-    uint32_t              debug;
-} SpiceVirtualChannel;
-
-static int vmc_write(SpiceVDIPortInstance *sin, const uint8_t *buf, int len)
-{
-    SpiceVirtualChannel *svc = container_of(sin, SpiceVirtualChannel, sin);
-    ssize_t out;
-
-    out = virtio_serial_write(&svc->port, buf, len);
-    dprintf(svc, 2, "%s: %lu/%d\n", __func__, out, len);
-    return out;
-}
-
-static int vmc_read(SpiceVDIPortInstance *sin, uint8_t *buf, int len)
-{
-    SpiceVirtualChannel *svc = container_of(sin, SpiceVirtualChannel, sin);
-    int bytes = MIN(len, svc->datalen);
-
-    dprintf(svc, 2, "%s: %d/%zd\n", __func__, bytes, svc->datalen);
-    if (bytes) {
-        memcpy(buf, svc->datapos, bytes);
-        svc->datapos += bytes;
-        svc->datalen -= bytes;
-        if (0 == svc->datalen) {
-            virtio_serial_throttle_port(&svc->port, false);
-        }
-    }
-    return bytes;
-}
-
-static SpiceVDIPortInterface vmc_interface = {
-    .base.type          = SPICE_INTERFACE_VDI_PORT,
-    .base.description   = "spice virtual channel vdi port",
-    .base.major_version = SPICE_INTERFACE_VDI_PORT_MAJOR,
-    .base.minor_version = SPICE_INTERFACE_VDI_PORT_MINOR,
-    .write              = vmc_write,
-    .read               = vmc_read,
-};
-
-static void vmc_register_interface(SpiceVirtualChannel *svc)
-{
-    if (svc->active) {
-        return;
-    }
-    dprintf(svc, 1, "%s\n", __func__);
-    svc->sin.base.sif = &vmc_interface.base;
-    spice_server_add_interface(spice_server, &svc->sin.base);
-    svc->active = true;
-}
-
-static void vmc_unregister_interface(SpiceVirtualChannel *svc)
-{
-    if (!svc->active) {
-        return;
-    }
-    dprintf(svc, 1, "%s\n", __func__);
-    spice_server_remove_interface(&svc->sin.base);
-    svc->active = false;
-}
-
-
-static void vmc_change_state_handler(void *opaque, int running, int reason)
-{
-    SpiceVirtualChannel *svc = opaque;
-
-    if (running && svc->active) {
-        spice_server_vdi_port_wakeup(&svc->sin);
-    }
-}
-
-/*
- * virtio-serial callbacks
- */
-
-static void vmc_guest_open(VirtIOSerialPort *port)
-{
-    SpiceVirtualChannel *svc = DO_UPCAST(SpiceVirtualChannel, port, port);
-
-    dprintf(svc, 1, "%s\n", __func__);
-    vmc_register_interface(svc);
-}
-
-static void vmc_guest_close(VirtIOSerialPort *port)
-{
-    SpiceVirtualChannel *svc = DO_UPCAST(SpiceVirtualChannel, port, port);
-
-    dprintf(svc, 1, "%s\n", __func__);
-    vmc_unregister_interface(svc);
-}
-
-static void vmc_guest_ready(VirtIOSerialPort *port)
-{
-    SpiceVirtualChannel *svc = DO_UPCAST(SpiceVirtualChannel, port, port);
-
-    dprintf(svc, 1, "%s\n", __func__);
-    if (svc->active)
-        spice_server_vdi_port_wakeup(&svc->sin);
-}
-
-static void vmc_have_data(VirtIOSerialPort *port, const uint8_t *buf, size_t len)
-{
-    SpiceVirtualChannel *svc = DO_UPCAST(SpiceVirtualChannel, port, port);
-
-    dprintf(svc, 2, "%s: %zd\n", __func__, len);
-    assert(svc->datapos == 0);
-    if (svc->bufsize < len) {
-        svc->bufsize = len;
-        svc->buffer = qemu_realloc(svc->buffer, svc->bufsize);
-    }
-    memcpy(svc->buffer, buf, len);
-    svc->datapos = svc->buffer;
-    svc->datalen = len;
-    virtio_serial_throttle_port(&svc->port, true);
-    spice_server_vdi_port_wakeup(&svc->sin);
-}
-
-static int vmc_initfn(VirtIOSerialDevice *dev)
-{
-    VirtIOSerialPort *port = DO_UPCAST(VirtIOSerialPort, dev, &dev->qdev);
-    SpiceVirtualChannel *svc = DO_UPCAST(SpiceVirtualChannel, port, port);
-
-    if (!using_spice)
-        return -1;
-
-    dprintf(svc, 1, "%s\n", __func__);
-    port->name = qemu_strdup(VMC_GUEST_DEVICE_NAME);
-    svc->vmstate = qemu_add_vm_change_state_handler(
-        vmc_change_state_handler, svc);
-    virtio_serial_open(port);
-    return 0;
-}
-
-static int vmc_exitfn(VirtIOSerialDevice *dev)
-{
-    VirtIOSerialPort *port = DO_UPCAST(VirtIOSerialPort, dev, &dev->qdev);
-    SpiceVirtualChannel *svc = DO_UPCAST(SpiceVirtualChannel, port, port);
-
-    dprintf(svc, 1, "%s\n", __func__);
-    vmc_unregister_interface(svc);
-    qemu_del_vm_change_state_handler(svc->vmstate);
-    virtio_serial_close(port);
-    return 0;
-}
-
-static VirtIOSerialPortInfo vmc_info = {
-    .qdev.name     = VMC_DEVICE_NAME,
-    .qdev.size     = sizeof(SpiceVirtualChannel),
-    .init          = vmc_initfn,
-    .exit          = vmc_exitfn,
-    .guest_open    = vmc_guest_open,
-    .guest_close   = vmc_guest_close,
-    .guest_ready   = vmc_guest_ready,
-    .have_data     = vmc_have_data,
-    .qdev.props = (Property[]) {
-        DEFINE_PROP_UINT32("nr", SpiceVirtualChannel, port.id, VIRTIO_CONSOLE_BAD_ID),
-        DEFINE_PROP_UINT32("debug", SpiceVirtualChannel, debug, 1),
-        DEFINE_PROP_END_OF_LIST(),
-    }
-};
-
-static void vmc_register(void)
-{
-    virtio_serial_port_qdev_register(&vmc_info);
-}
-device_init(vmc_register)
-- 
1.7.2.3