From a15bb0d6a981de749452a5180fc8084d625671da Mon Sep 17 00:00:00 2001 From: Markus Armbruster Date: Wed, 25 May 2011 14:21:13 +0200 Subject: [PATCH] virtio-serial: Drop redundant VirtIOSerialPort member info Signed-off-by: Markus Armbruster Signed-off-by: Amit Shah --- hw/virtio-console.c | 9 ++++++--- hw/virtio-serial-bus.c | 42 ++++++++++++++++++++++++++---------------- hw/virtio-serial.h | 1 - 3 files changed, 32 insertions(+), 20 deletions(-) diff --git a/hw/virtio-console.c b/hw/virtio-console.c index 180ac0a..713f6ef 100644 --- a/hw/virtio-console.c +++ b/hw/virtio-console.c @@ -76,12 +76,15 @@ static void chr_event(void *opaque, int event) static int generic_port_init(VirtConsole *vcon, VirtIOSerialPort *port) { + VirtIOSerialPortInfo *info = DO_UPCAST(VirtIOSerialPortInfo, qdev, + vcon->port.dev.info); + if (vcon->chr) { qemu_chr_add_handlers(vcon->chr, chr_can_read, chr_read, chr_event, vcon); - vcon->port.info->have_data = flush_buf; - vcon->port.info->guest_open = guest_open; - vcon->port.info->guest_close = guest_close; + info->have_data = flush_buf; + info->guest_open = guest_open; + info->guest_close = guest_close; } return 0; } diff --git a/hw/virtio-serial-bus.c b/hw/virtio-serial-bus.c index ed44fab..9a12104 100644 --- a/hw/virtio-serial-bus.c +++ b/hw/virtio-serial-bus.c @@ -129,9 +129,13 @@ static void discard_vq_data(VirtQueue *vq, VirtIODevice *vdev) static void do_flush_queued_data(VirtIOSerialPort *port, VirtQueue *vq, VirtIODevice *vdev) { + VirtIOSerialPortInfo *info; + assert(port); assert(virtio_queue_ready(vq)); + info = DO_UPCAST(VirtIOSerialPortInfo, qdev, port->dev.info); + while (!port->throttled) { unsigned int i; @@ -149,10 +153,10 @@ static void do_flush_queued_data(VirtIOSerialPort *port, VirtQueue *vq, ssize_t ret; buf_size = port->elem.out_sg[i].iov_len - port->iov_offset; - ret = port->info->have_data(port, - port->elem.out_sg[i].iov_base - + port->iov_offset, - buf_size); + ret = info->have_data(port, + port->elem.out_sg[i].iov_base + + port->iov_offset, + buf_size); if (ret < 0 && ret != -EAGAIN) { /* We don't handle any other type of errors here */ abort(); @@ -309,6 +313,7 @@ void virtio_serial_throttle_port(VirtIOSerialPort *port, bool throttle) static void handle_control_message(VirtIOSerial *vser, void *buf, size_t len) { struct VirtIOSerialPort *port; + struct VirtIOSerialPortInfo *info; struct virtio_console_control cpkt, *gcpkt; uint8_t *buffer; size_t buffer_len; @@ -327,6 +332,8 @@ static void handle_control_message(VirtIOSerial *vser, void *buf, size_t len) if (!port && cpkt.event != VIRTIO_CONSOLE_DEVICE_READY) return; + info = DO_UPCAST(VirtIOSerialPortInfo, qdev, port->dev.info); + switch(cpkt.event) { case VIRTIO_CONSOLE_DEVICE_READY: if (!cpkt.value) { @@ -356,7 +363,7 @@ static void handle_control_message(VirtIOSerial *vser, void *buf, size_t len) * this port is a console port so that the guest can hook it * up to hvc. */ - if (port->info->is_console) { + if (info->is_console) { send_control_event(port, VIRTIO_CONSOLE_CONSOLE_PORT, 1); } @@ -385,21 +392,21 @@ static void handle_control_message(VirtIOSerial *vser, void *buf, size_t len) * initialised. If some app is interested in knowing about * this event, let it know. */ - if (port->info->guest_ready) { - port->info->guest_ready(port); + if (info->guest_ready) { + info->guest_ready(port); } break; case VIRTIO_CONSOLE_PORT_OPEN: port->guest_connected = cpkt.value; - if (cpkt.value && port->info->guest_open) { + if (cpkt.value && info->guest_open) { /* Send the guest opened notification if an app is interested */ - port->info->guest_open(port); + info->guest_open(port); } - if (!cpkt.value && port->info->guest_close) { + if (!cpkt.value && info->guest_close) { /* Send the guest closed notification if an app is interested */ - port->info->guest_close(port); + info->guest_close(port); } break; } @@ -448,11 +455,13 @@ static void handle_output(VirtIODevice *vdev, VirtQueue *vq) { VirtIOSerial *vser; VirtIOSerialPort *port; + VirtIOSerialPortInfo *info; vser = DO_UPCAST(VirtIOSerial, vdev, vdev); port = find_port_by_vq(vser, vq); + info = port ? DO_UPCAST(VirtIOSerialPortInfo, qdev, port->dev.info) : NULL; - if (!port || !port->host_connected || !port->info->have_data) { + if (!port || !port->host_connected || !info->have_data) { discard_vq_data(vq, vdev); return; } @@ -756,7 +765,6 @@ static int virtser_port_qdev_init(DeviceState *qdev, DeviceInfo *base) return -1; } - port->info = info; ret = info->init(port); if (ret) { return ret; @@ -787,6 +795,8 @@ static int virtser_port_qdev_init(DeviceState *qdev, DeviceInfo *base) static int virtser_port_qdev_exit(DeviceState *qdev) { VirtIOSerialPort *port = DO_UPCAST(VirtIOSerialPort, dev, qdev); + VirtIOSerialPortInfo *info = DO_UPCAST(VirtIOSerialPortInfo, qdev, + port->dev.info); VirtIOSerial *vser = port->vser; qemu_bh_delete(port->bh); @@ -794,9 +804,9 @@ static int virtser_port_qdev_exit(DeviceState *qdev) QTAILQ_REMOVE(&vser->ports, port, next); - if (port->info->exit) - port->info->exit(port); - + if (info->exit) { + info->exit(port); + } return 0; } diff --git a/hw/virtio-serial.h b/hw/virtio-serial.h index ac612f2..36e9d22 100644 --- a/hw/virtio-serial.h +++ b/hw/virtio-serial.h @@ -75,7 +75,6 @@ typedef struct VirtIOSerialPortInfo VirtIOSerialPortInfo; */ struct VirtIOSerialPort { DeviceState dev; - VirtIOSerialPortInfo *info; QTAILQ_ENTRY(VirtIOSerialPort) next; -- 2.7.4