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Blame 0037-Revert-spice-add-virtio-serial-based-vdi-port-backen.patch

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From bebcc44cfe5da8a4881292fa564869a481eea4ae Mon Sep 17 00:00:00 2001
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From: Gerd Hoffmann <kraxel@redhat.com>
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Date: Wed, 8 Sep 2010 11:49:40 +0200
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Subject: [PATCH 37/39] Revert "spice: add virtio-serial based vdi port backend."
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This reverts commit ef9e975b1d34c1426867cef832ba6238a401b740.
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---
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 Makefile.target |    1 -
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 hw/spice-vmc.c  |  203 -------------------------------------------------------
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 2 files changed, 0 insertions(+), 204 deletions(-)
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 delete mode 100644 hw/spice-vmc.c
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diff --git a/Makefile.target b/Makefile.target
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index 90544c5..4da33b5 100644
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--- a/Makefile.target
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+++ b/Makefile.target
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@@ -217,7 +217,6 @@ obj-i386-y += pc_piix.o
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 obj-i386-y += testdev.o
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 obj-i386-y += acpi.o acpi_piix4.o
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 obj-i386-$(CONFIG_SPICE) += qxl.o qxl-logger.o qxl-render.o
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-obj-i386-$(CONFIG_SPICE) += spice-vmc.o
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 obj-i386-y += pcspk.o i8254.o
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 obj-i386-$(CONFIG_KVM_PIT) += i8254-kvm.o
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diff --git a/hw/spice-vmc.c b/hw/spice-vmc.c
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deleted file mode 100644
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index 3f6a2bb..0000000
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--- a/hw/spice-vmc.c
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+++ /dev/null
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@@ -1,203 +0,0 @@
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-/*
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-
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- Spice Virtual Machine Channel (VMC).
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-
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- A virtio-serial port used for spice to guest communication, over
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- which spice client and a daemon in the guest operating system
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- communicate.
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-
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- Replaces the old vdi_port PCI device.
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-
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-*/
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-
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-#include <stdio.h>
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-#include <stdbool.h>
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-#include <spice.h>
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-#include <spice-experimental.h>
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-
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-#include "virtio-serial.h"
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-#include "qemu-spice.h"
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-
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-#define VMC_GUEST_DEVICE_NAME "com.redhat.spice.0"
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-#define VMC_DEVICE_NAME       "spicevmc"
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-
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-#define dprintf(_svc, _level, _fmt, ...)                                \
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-    do {                                                                \
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-        if (_svc->debug >= _level) {                                    \
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-            fprintf(stderr, "svc: " _fmt, ## __VA_ARGS__);              \
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-        }                                                               \
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-    } while (0)
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-
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-typedef struct SpiceVirtualChannel {
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-    VirtIOSerialPort      port;
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-    VMChangeStateEntry    *vmstate;
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-    SpiceVDIPortInstance  sin;
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-    bool                  active;
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-    uint8_t               *buffer;
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-    uint8_t               *datapos;
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-    ssize_t               bufsize, datalen;
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-    uint32_t              debug;
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-} SpiceVirtualChannel;
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-
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-static int vmc_write(SpiceVDIPortInstance *sin, const uint8_t *buf, int len)
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-{
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-    SpiceVirtualChannel *svc = container_of(sin, SpiceVirtualChannel, sin);
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-    ssize_t out;
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-
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-    out = virtio_serial_write(&svc->port, buf, len);
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-    dprintf(svc, 2, "%s: %lu/%d\n", __func__, out, len);
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-    return out;
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-}
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-
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-static int vmc_read(SpiceVDIPortInstance *sin, uint8_t *buf, int len)
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-{
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-    SpiceVirtualChannel *svc = container_of(sin, SpiceVirtualChannel, sin);
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-    int bytes = MIN(len, svc->datalen);
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-
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-    dprintf(svc, 2, "%s: %d/%zd\n", __func__, bytes, svc->datalen);
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-    if (bytes) {
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-        memcpy(buf, svc->datapos, bytes);
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-        svc->datapos += bytes;
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-        svc->datalen -= bytes;
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-        if (0 == svc->datalen) {
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-            virtio_serial_throttle_port(&svc->port, false);
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-        }
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-    }
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-    return bytes;
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-}
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-
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-static SpiceVDIPortInterface vmc_interface = {
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-    .base.type          = SPICE_INTERFACE_VDI_PORT,
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-    .base.description   = "spice virtual channel vdi port",
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-    .base.major_version = SPICE_INTERFACE_VDI_PORT_MAJOR,
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-    .base.minor_version = SPICE_INTERFACE_VDI_PORT_MINOR,
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-    .write              = vmc_write,
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-    .read               = vmc_read,
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-};
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-
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-static void vmc_register_interface(SpiceVirtualChannel *svc)
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-{
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-    if (svc->active) {
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-        return;
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-    }
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-    dprintf(svc, 1, "%s\n", __func__);
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-    svc->sin.base.sif = &vmc_interface.base;
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-    spice_server_add_interface(spice_server, &svc->sin.base);
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-    svc->active = true;
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-}
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-
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-static void vmc_unregister_interface(SpiceVirtualChannel *svc)
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-{
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-    if (!svc->active) {
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-        return;
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-    }
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-    dprintf(svc, 1, "%s\n", __func__);
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-    spice_server_remove_interface(&svc->sin.base);
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-    svc->active = false;
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-}
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-
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-
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-static void vmc_change_state_handler(void *opaque, int running, int reason)
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-{
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-    SpiceVirtualChannel *svc = opaque;
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-
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-    if (running && svc->active) {
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-        spice_server_vdi_port_wakeup(&svc->sin);
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-    }
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-}
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-
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-/*
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- * virtio-serial callbacks
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- */
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-
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-static void vmc_guest_open(VirtIOSerialPort *port)
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-{
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-    SpiceVirtualChannel *svc = DO_UPCAST(SpiceVirtualChannel, port, port);
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-
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-    dprintf(svc, 1, "%s\n", __func__);
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-    vmc_register_interface(svc);
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-}
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-
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-static void vmc_guest_close(VirtIOSerialPort *port)
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-{
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-    SpiceVirtualChannel *svc = DO_UPCAST(SpiceVirtualChannel, port, port);
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-
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-    dprintf(svc, 1, "%s\n", __func__);
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-    vmc_unregister_interface(svc);
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-}
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-
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-static void vmc_guest_ready(VirtIOSerialPort *port)
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-{
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-    SpiceVirtualChannel *svc = DO_UPCAST(SpiceVirtualChannel, port, port);
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-
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-    dprintf(svc, 1, "%s\n", __func__);
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-    if (svc->active)
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-        spice_server_vdi_port_wakeup(&svc->sin);
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-}
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-
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-static void vmc_have_data(VirtIOSerialPort *port, const uint8_t *buf, size_t len)
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-{
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-    SpiceVirtualChannel *svc = DO_UPCAST(SpiceVirtualChannel, port, port);
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-
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-    dprintf(svc, 2, "%s: %zd\n", __func__, len);
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-    assert(svc->datapos == 0);
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-    if (svc->bufsize < len) {
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-        svc->bufsize = len;
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-        svc->buffer = qemu_realloc(svc->buffer, svc->bufsize);
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-    }
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-    memcpy(svc->buffer, buf, len);
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-    svc->datapos = svc->buffer;
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-    svc->datalen = len;
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-    virtio_serial_throttle_port(&svc->port, true);
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-    spice_server_vdi_port_wakeup(&svc->sin);
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-}
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-
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-static int vmc_initfn(VirtIOSerialDevice *dev)
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-{
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-    VirtIOSerialPort *port = DO_UPCAST(VirtIOSerialPort, dev, &dev->qdev);
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-    SpiceVirtualChannel *svc = DO_UPCAST(SpiceVirtualChannel, port, port);
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-
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-    if (!using_spice)
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-        return -1;
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-
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-    dprintf(svc, 1, "%s\n", __func__);
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-    port->name = qemu_strdup(VMC_GUEST_DEVICE_NAME);
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-    svc->vmstate = qemu_add_vm_change_state_handler(
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-        vmc_change_state_handler, svc);
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-    virtio_serial_open(port);
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-    return 0;
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-}
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-
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-static int vmc_exitfn(VirtIOSerialDevice *dev)
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-{
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-    VirtIOSerialPort *port = DO_UPCAST(VirtIOSerialPort, dev, &dev->qdev);
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-    SpiceVirtualChannel *svc = DO_UPCAST(SpiceVirtualChannel, port, port);
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-
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-    dprintf(svc, 1, "%s\n", __func__);
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-    vmc_unregister_interface(svc);
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-    qemu_del_vm_change_state_handler(svc->vmstate);
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-    virtio_serial_close(port);
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-    return 0;
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-}
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-
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-static VirtIOSerialPortInfo vmc_info = {
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-    .qdev.name     = VMC_DEVICE_NAME,
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-    .qdev.size     = sizeof(SpiceVirtualChannel),
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-    .init          = vmc_initfn,
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-    .exit          = vmc_exitfn,
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-    .guest_open    = vmc_guest_open,
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-    .guest_close   = vmc_guest_close,
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-    .guest_ready   = vmc_guest_ready,
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-    .have_data     = vmc_have_data,
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-    .qdev.props = (Property[]) {
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-        DEFINE_PROP_UINT32("nr", SpiceVirtualChannel, port.id, VIRTIO_CONSOLE_BAD_ID),
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-        DEFINE_PROP_UINT32("debug", SpiceVirtualChannel, debug, 1),
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-        DEFINE_PROP_END_OF_LIST(),
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-    }
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-};
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-
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-static void vmc_register(void)
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-{
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-    virtio_serial_port_qdev_register(&vmc_info);
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-}
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-device_init(vmc_register)
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-- 
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1.7.2.3
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