Revision 4c36a2ff
b/Makefile.objs | ||
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127 | 127 |
|
128 | 128 |
hw-obj-y = |
129 | 129 |
hw-obj-y += loader.o |
130 |
hw-obj-y += virtio.o virtio-serial.o
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|
130 |
hw-obj-y += virtio.o virtio-console.o
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|
131 | 131 |
hw-obj-y += fw_cfg.o |
132 | 132 |
hw-obj-y += watchdog.o |
133 | 133 |
hw-obj-$(CONFIG_ECC) += ecc.o |
b/hw/virtio-console.c | ||
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1 |
/* |
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2 |
* Virtio Console and Generic Serial Port Devices |
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3 |
* |
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* Copyright Red Hat, Inc. 2009 |
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* |
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* Authors: |
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* Amit Shah <amit.shah@redhat.com> |
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* |
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* This work is licensed under the terms of the GNU GPL, version 2. See |
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* the COPYING file in the top-level directory. |
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*/ |
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12 |
|
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#include "qemu-char.h" |
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#include "virtio-serial.h" |
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15 |
|
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typedef struct VirtConsole { |
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VirtIOSerialPort port; |
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CharDriverState *chr; |
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} VirtConsole; |
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20 |
|
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21 |
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/* Callback function that's called when the guest sends us data */ |
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static size_t flush_buf(VirtIOSerialPort *port, const uint8_t *buf, size_t len) |
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{ |
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VirtConsole *vcon = DO_UPCAST(VirtConsole, port, port); |
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ssize_t ret; |
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27 |
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ret = qemu_chr_write(vcon->chr, buf, len); |
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29 |
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30 |
return ret < 0 ? 0 : ret; |
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31 |
} |
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32 |
|
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/* Readiness of the guest to accept data on a port */ |
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static int chr_can_read(void *opaque) |
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{ |
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VirtConsole *vcon = opaque; |
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return virtio_serial_guest_ready(&vcon->port); |
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} |
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40 |
|
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/* Send data from a char device over to the guest */ |
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static void chr_read(void *opaque, const uint8_t *buf, int size) |
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43 |
{ |
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VirtConsole *vcon = opaque; |
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45 |
|
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virtio_serial_write(&vcon->port, buf, size); |
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} |
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48 |
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static void chr_event(void *opaque, int event) |
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{ |
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VirtConsole *vcon = opaque; |
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52 |
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switch (event) { |
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case CHR_EVENT_OPENED: { |
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virtio_serial_open(&vcon->port); |
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break; |
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} |
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case CHR_EVENT_CLOSED: |
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virtio_serial_close(&vcon->port); |
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break; |
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} |
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} |
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63 |
|
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/* Virtio Console Ports */ |
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static int virtconsole_initfn(VirtIOSerialDevice *dev) |
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{ |
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VirtIOSerialPort *port = DO_UPCAST(VirtIOSerialPort, dev, &dev->qdev); |
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VirtConsole *vcon = DO_UPCAST(VirtConsole, port, port); |
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69 |
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port->info = dev->info; |
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71 |
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port->is_console = true; |
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73 |
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if (vcon->chr) { |
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qemu_chr_add_handlers(vcon->chr, chr_can_read, chr_read, chr_event, |
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vcon); |
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port->info->have_data = flush_buf; |
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} |
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return 0; |
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} |
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81 |
|
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static int virtconsole_exitfn(VirtIOSerialDevice *dev) |
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{ |
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VirtIOSerialPort *port = DO_UPCAST(VirtIOSerialPort, dev, &dev->qdev); |
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VirtConsole *vcon = DO_UPCAST(VirtConsole, port, port); |
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86 |
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if (vcon->chr) { |
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port->info->have_data = NULL; |
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qemu_chr_close(vcon->chr); |
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} |
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return 0; |
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} |
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static VirtIOSerialPortInfo virtconsole_info = { |
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.qdev.name = "virtconsole", |
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.qdev.size = sizeof(VirtConsole), |
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.init = virtconsole_initfn, |
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.exit = virtconsole_exitfn, |
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.qdev.props = (Property[]) { |
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DEFINE_PROP_UINT8("is_console", VirtConsole, port.is_console, 1), |
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DEFINE_PROP_CHR("chardev", VirtConsole, chr), |
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DEFINE_PROP_STRING("name", VirtConsole, port.name), |
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DEFINE_PROP_END_OF_LIST(), |
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}, |
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}; |
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107 |
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static void virtconsole_register(void) |
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{ |
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virtio_serial_port_qdev_register(&virtconsole_info); |
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} |
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device_init(virtconsole_register) |
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113 |
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/* Generic Virtio Serial Ports */ |
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static int virtserialport_initfn(VirtIOSerialDevice *dev) |
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{ |
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VirtIOSerialPort *port = DO_UPCAST(VirtIOSerialPort, dev, &dev->qdev); |
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VirtConsole *vcon = DO_UPCAST(VirtConsole, port, port); |
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port->info = dev->info; |
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if (vcon->chr) { |
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qemu_chr_add_handlers(vcon->chr, chr_can_read, chr_read, chr_event, |
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vcon); |
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port->info->have_data = flush_buf; |
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} |
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return 0; |
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} |
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static VirtIOSerialPortInfo virtserialport_info = { |
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.qdev.name = "virtserialport", |
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.qdev.size = sizeof(VirtConsole), |
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.init = virtserialport_initfn, |
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.exit = virtconsole_exitfn, |
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.qdev.props = (Property[]) { |
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DEFINE_PROP_CHR("chardev", VirtConsole, chr), |
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DEFINE_PROP_STRING("name", VirtConsole, port.name), |
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DEFINE_PROP_END_OF_LIST(), |
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}, |
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}; |
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141 |
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static void virtserialport_register(void) |
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{ |
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virtio_serial_port_qdev_register(&virtserialport_info); |
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} |
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device_init(virtserialport_register) |
/dev/null | ||
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1 |
/* |
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2 |
* Virtio Console and Generic Serial Port Devices |
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3 |
* |
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4 |
* Copyright Red Hat, Inc. 2009 |
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5 |
* |
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6 |
* Authors: |
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7 |
* Amit Shah <amit.shah@redhat.com> |
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8 |
* |
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9 |
* This work is licensed under the terms of the GNU GPL, version 2. See |
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10 |
* the COPYING file in the top-level directory. |
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*/ |
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12 |
|
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#include "qemu-char.h" |
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#include "virtio-serial.h" |
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15 |
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typedef struct VirtConsole { |
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VirtIOSerialPort port; |
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CharDriverState *chr; |
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} VirtConsole; |
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/* Callback function that's called when the guest sends us data */ |
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static size_t flush_buf(VirtIOSerialPort *port, const uint8_t *buf, size_t len) |
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{ |
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VirtConsole *vcon = DO_UPCAST(VirtConsole, port, port); |
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ssize_t ret; |
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ret = qemu_chr_write(vcon->chr, buf, len); |
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return ret < 0 ? 0 : ret; |
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} |
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/* Readiness of the guest to accept data on a port */ |
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static int chr_can_read(void *opaque) |
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{ |
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VirtConsole *vcon = opaque; |
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37 |
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return virtio_serial_guest_ready(&vcon->port); |
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} |
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40 |
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/* Send data from a char device over to the guest */ |
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42 |
static void chr_read(void *opaque, const uint8_t *buf, int size) |
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{ |
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VirtConsole *vcon = opaque; |
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virtio_serial_write(&vcon->port, buf, size); |
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} |
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static void chr_event(void *opaque, int event) |
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{ |
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VirtConsole *vcon = opaque; |
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switch (event) { |
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case CHR_EVENT_OPENED: { |
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virtio_serial_open(&vcon->port); |
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break; |
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} |
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case CHR_EVENT_CLOSED: |
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virtio_serial_close(&vcon->port); |
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break; |
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} |
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} |
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63 |
|
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/* Virtio Console Ports */ |
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static int virtconsole_initfn(VirtIOSerialDevice *dev) |
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{ |
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VirtIOSerialPort *port = DO_UPCAST(VirtIOSerialPort, dev, &dev->qdev); |
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VirtConsole *vcon = DO_UPCAST(VirtConsole, port, port); |
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port->info = dev->info; |
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port->is_console = true; |
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if (vcon->chr) { |
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qemu_chr_add_handlers(vcon->chr, chr_can_read, chr_read, chr_event, |
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vcon); |
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port->info->have_data = flush_buf; |
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} |
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return 0; |
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} |
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81 |
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static int virtconsole_exitfn(VirtIOSerialDevice *dev) |
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{ |
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VirtIOSerialPort *port = DO_UPCAST(VirtIOSerialPort, dev, &dev->qdev); |
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VirtConsole *vcon = DO_UPCAST(VirtConsole, port, port); |
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86 |
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if (vcon->chr) { |
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port->info->have_data = NULL; |
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qemu_chr_close(vcon->chr); |
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} |
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91 |
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return 0; |
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} |
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94 |
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static VirtIOSerialPortInfo virtconsole_info = { |
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.qdev.name = "virtconsole", |
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.qdev.size = sizeof(VirtConsole), |
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.init = virtconsole_initfn, |
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.exit = virtconsole_exitfn, |
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.qdev.props = (Property[]) { |
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DEFINE_PROP_UINT8("is_console", VirtConsole, port.is_console, 1), |
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DEFINE_PROP_CHR("chardev", VirtConsole, chr), |
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DEFINE_PROP_STRING("name", VirtConsole, port.name), |
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DEFINE_PROP_END_OF_LIST(), |
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}, |
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}; |
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static void virtconsole_register(void) |
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{ |
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virtio_serial_port_qdev_register(&virtconsole_info); |
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} |
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device_init(virtconsole_register) |
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113 |
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114 |
/* Generic Virtio Serial Ports */ |
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static int virtserialport_initfn(VirtIOSerialDevice *dev) |
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{ |
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VirtIOSerialPort *port = DO_UPCAST(VirtIOSerialPort, dev, &dev->qdev); |
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VirtConsole *vcon = DO_UPCAST(VirtConsole, port, port); |
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119 |
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port->info = dev->info; |
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121 |
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if (vcon->chr) { |
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qemu_chr_add_handlers(vcon->chr, chr_can_read, chr_read, chr_event, |
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vcon); |
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port->info->have_data = flush_buf; |
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} |
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return 0; |
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} |
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129 |
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static VirtIOSerialPortInfo virtserialport_info = { |
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.qdev.name = "virtserialport", |
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132 |
.qdev.size = sizeof(VirtConsole), |
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.init = virtserialport_initfn, |
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.exit = virtconsole_exitfn, |
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.qdev.props = (Property[]) { |
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DEFINE_PROP_CHR("chardev", VirtConsole, chr), |
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DEFINE_PROP_STRING("name", VirtConsole, port.name), |
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DEFINE_PROP_END_OF_LIST(), |
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}, |
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140 |
}; |
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141 |
|
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142 |
static void virtserialport_register(void) |
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143 |
{ |
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144 |
virtio_serial_port_qdev_register(&virtserialport_info); |
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145 |
} |
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146 |
device_init(virtserialport_register) |
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