ARM: dove: use preprocessor on device tree files - linux-dev - Linux kernel development work

diff options

author	Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>	2013-07-29 14:31:50 +0200
committer	Jason Cooper <jason@lakedaemon.net>	2013-09-30 15:00:35 +0000
commit	fbd99d51a7a7fd8344bf285f64200d72d4e6d2eb (patch)
tree	9c7a2c0a9880c53ea6ba23c520871b47f4e19379 /tools/perf/scripts/python/event_analyzing_sample.py
parent	ARM: mvebu: link PCIe controllers to the MSI controller (diff)

ARM: dove: use preprocessor on device tree files

This coverts Dove DT board files to preprocessor includes instead of dtc includes. Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net>

Diffstat (limited to 'tools/perf/scripts/python/event_analyzing_sample.py')

0 files changed, 0 insertions, 0 deletions

/* * Virtio Console and Generic Serial Port Devices * * Copyright Red Hat, Inc. 2009, 2010 * * Authors: * Amit Shah <amit.shah@redhat.com> * * This work is licensed under the terms of the GNU GPL, version 2. See * the COPYING file in the top-level directory. */ #include "sysemu/char.h" #include "qemu/error-report.h" #include "trace.h" #include "hw/virtio/virtio-serial.h" typedef struct VirtConsole { VirtIOSerialPort port; CharDriverState *chr; guint watch; } VirtConsole; /* * Callback function that's called from chardevs when backend becomes * writable. */ static gboolean chr_write_unblocked(GIOChannel *chan, GIOCondition cond, void *opaque) { VirtConsole *vcon = opaque; vcon->watch = 0; virtio_serial_throttle_port(&vcon->port, false); return FALSE; } /* Callback function that's called when the guest sends us data */ static ssize_t flush_buf(VirtIOSerialPort *port, const uint8_t *buf, ssize_t len) { VirtConsole *vcon = DO_UPCAST(VirtConsole, port, port); ssize_t ret; if (!vcon->chr) { /* If there's no backend, we can just say we consumed all data. */ return len; } ret = qemu_chr_fe_write(vcon->chr, buf, len); trace_virtio_console_flush_buf(port->id, len, ret); if (ret < len) { VirtIOSerialPortClass *k = VIRTIO_SERIAL_PORT_GET_CLASS(port); /* * Ideally we'd get a better error code than just -1, but * that's what the chardev interface gives us right now. If * we had a finer-grained message, like -EPIPE, we could close * this connection. */ if (ret < 0) ret = 0; if (!k->is_console) { virtio_serial_throttle_port(port, true); if (!vcon->watch) { vcon->watch = qemu_chr_fe_add_watch(vcon->chr, G_IO_OUT, chr_write_unblocked, vcon); } } } return ret; } /* Callback function that's called when the guest opens/closes the port */ static void set_guest_connected(VirtIOSerialPort *port, int guest_connected) { VirtConsole *vcon = DO_UPCAST(VirtConsole, port, port); if (!vcon->chr) { return; } qemu_chr_fe_set_open(vcon->chr, guest_connected); } /* Readiness of the guest to accept data on a port */ static int chr_can_read(void *opaque) { VirtConsole *vcon = opaque; return virtio_serial_guest_ready(&vcon->port); } /* Send data from a char device over to the guest */ static void chr_read(void *opaque, const uint8_t *buf, int size) { VirtConsole *vcon = opaque; trace_virtio_console_chr_read(vcon->port.id, size); virtio_serial_write(&vcon->port, buf, size); } static void chr_event(void *opaque, int event) { VirtConsole *vcon = opaque; trace_virtio_console_chr_event(vcon->port.id, event); switch (event) { case CHR_EVENT_OPENED: virtio_serial_open(&vcon->port); break; case CHR_EVENT_CLOSED: if (vcon->watch) { g_source_remove(vcon->watch); vcon->watch = 0; } virtio_serial_close(&vcon->port); break; } } static int virtconsole_initfn(VirtIOSerialPort *port) { VirtConsole *vcon = DO_UPCAST(VirtConsole, port, port); VirtIOSerialPortClass *k = VIRTIO_SERIAL_PORT_GET_CLASS(port); if (port->id == 0 && !k->is_console) { error_report("Port number 0 on virtio-serial devices reserved for virtconsole devices for backward compatibility."); return -1; } if (vcon->chr) { vcon->chr->explicit_fe_open = 1; qemu_chr_add_handlers(vcon->chr, chr_can_read, chr_read, chr_event, vcon); } return 0; } static int virtconsole_exitfn(VirtIOSerialPort *port) { VirtConsole *vcon = DO_UPCAST(VirtConsole, port, port); if (vcon->watch) { g_source_remove(vcon->watch); } return 0; } static Property virtconsole_properties[] = { DEFINE_PROP_CHR("chardev", VirtConsole, chr), DEFINE_PROP_END_OF_LIST(), }; static void virtconsole_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); VirtIOSerialPortClass *k = VIRTIO_SERIAL_PORT_CLASS(klass); k->is_console = true; k->init = virtconsole_initfn; k->exit = virtconsole_exitfn; k->have_data = flush_buf; k->set_guest_connected = set_guest_connected; dc->props = virtconsole_properties; } static const TypeInfo virtconsole_info = { .name = "virtconsole", .parent = TYPE_VIRTIO_SERIAL_PORT, .instance_size = sizeof(VirtConsole), .class_init = virtconsole_class_init, }; static Property virtserialport_properties[] = { DEFINE_PROP_CHR("chardev", VirtConsole, chr), DEFINE_PROP_END_OF_LIST(), }; static void virtserialport_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); VirtIOSerialPortClass *k = VIRTIO_SERIAL_PORT_CLASS(klass); k->init = virtconsole_initfn; k->have_data = flush_buf; k->set_guest_connected = set_guest_connected; dc->props = virtserialport_properties; } static const TypeInfo virtserialport_info = { .name = "virtserialport", .parent = TYPE_VIRTIO_SERIAL_PORT, .instance_size = sizeof(VirtConsole), .class_init = virtserialport_class_init, }; static void virtconsole_register_types(void) { type_register_static(&virtconsole_info); type_register_static(&virtserialport_info); } type_init(virtconsole_register_types)


context:
space:
mode: