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char: add backend hotswap handler

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Frontends should have an interface to setup the handler of a backend change.
The interface will be used in the next commits

Signed-off-by: Anton Nefedov <anton.nefedov@virtuozzo.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <1499342940-56739-3-git-send-email-anton.nefedov@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Anton Nefedov 2017-07-06 15:08:49 +03:00 • committed by Paolo Bonzini
parent 313e45b5fe
commit 81517ba37a
48 changed files with 77 additions and 58 deletions
Download patch file Download diff file Expand all files Collapse all files

2
hw/char/bcm2835_aux.c
View file

@ -279,7 +279,7 @@ static void bcm2835_aux_realize(DeviceState *dev, Error **errp)
BCM2835AuxState *s = BCM2835_AUX(dev);
qemu_chr_fe_set_handlers(&s->chr, bcm2835_aux_can_receive,
bcm2835_aux_receive, NULL, s, NULL, true);
bcm2835_aux_receive, NULL, NULL, s, NULL, true);
}
static Property bcm2835_aux_props[] = {

2
hw/char/cadence_uart.c
View file

@ -485,7 +485,7 @@ static void cadence_uart_realize(DeviceState *dev, Error **errp)
fifo_trigger_update, s);
qemu_chr_fe_set_handlers(&s->chr, uart_can_receive, uart_receive,
uart_event, s, NULL, true);
uart_event, NULL, s, NULL, true);
}
static void cadence_uart_init(Object *obj)

2
hw/char/debugcon.c
View file

@ -92,7 +92,7 @@ static void debugcon_realize_core(DebugconState *s, Error **errp)
return;
}
qemu_chr_fe_set_handlers(&s->chr, NULL, NULL, NULL, s, NULL, true);
qemu_chr_fe_set_handlers(&s->chr, NULL, NULL, NULL, NULL, s, NULL, true);
}
static void debugcon_isa_realizefn(DeviceState *dev, Error **errp)

2
hw/char/digic-uart.c
View file

@ -146,7 +146,7 @@ static void digic_uart_realize(DeviceState *dev, Error **errp)
DigicUartState *s = DIGIC_UART(dev);
qemu_chr_fe_set_handlers(&s->chr, uart_can_rx, uart_rx,
uart_event, s, NULL, true);
uart_event, NULL, s, NULL, true);
}
static void digic_uart_init(Object *obj)

2
hw/char/escc.c
View file

@ -1016,7 +1016,7 @@ static void escc_realize(DeviceState *dev, Error **errp)
if (qemu_chr_fe_get_driver(&s->chn[i].chr)) {
s->chn[i].clock = s->frequency / 2;
qemu_chr_fe_set_handlers(&s->chn[i].chr, serial_can_receive,
serial_receive1, serial_event,
serial_receive1, serial_event, NULL,
&s->chn[i], NULL, true);
}
}

2
hw/char/etraxfs_ser.c
View file

@ -233,7 +233,7 @@ static void etraxfs_ser_realize(DeviceState *dev, Error **errp)
qemu_chr_fe_set_handlers(&s->chr,
serial_can_receive, serial_receive,
serial_event, s, NULL, true);
serial_event, NULL, s, NULL, true);
}
static void etraxfs_ser_class_init(ObjectClass *klass, void *data)

2
hw/char/exynos4210_uart.c
View file

@ -645,7 +645,7 @@ static void exynos4210_uart_realize(DeviceState *dev, Error **errp)
qemu_chr_fe_set_handlers(&s->chr, exynos4210_uart_can_receive,
exynos4210_uart_receive, exynos4210_uart_event,
s, NULL, true);
NULL, s, NULL, true);
}
static Property exynos4210_uart_properties[] = {

2
hw/char/grlib_apbuart.c
View file

@ -247,7 +247,7 @@ static int grlib_apbuart_init(SysBusDevice *dev)
grlib_apbuart_can_receive,
grlib_apbuart_receive,
grlib_apbuart_event,
uart, NULL, true);
NULL, uart, NULL, true);
sysbus_init_irq(dev, &uart->irq);

2
hw/char/imx_serial.c
View file

@ -315,7 +315,7 @@ static void imx_serial_realize(DeviceState *dev, Error **errp)
DPRINTF("char dev for uart: %p\n", qemu_chr_fe_get_driver(&s->chr));
qemu_chr_fe_set_handlers(&s->chr, imx_can_receive, imx_receive,
imx_event, s, NULL, true);
imx_event, NULL, s, NULL, true);
}
static void imx_serial_init(Object *obj)

2
hw/char/ipoctal232.c
View file

@ -545,7 +545,7 @@ static void ipoctal_realize(DeviceState *dev, Error **errp)
if (qemu_chr_fe_get_driver(&ch->dev)) {
qemu_chr_fe_set_handlers(&ch->dev, hostdev_can_receive,
hostdev_receive, hostdev_event,
ch, NULL, true);
NULL, ch, NULL, true);
DPRINTF("Redirecting channel %u to %s\n", i, ch->dev->label);
} else {
DPRINTF("Could not redirect channel %u, no chardev set\n", i);

2
hw/char/lm32_juart.c
View file

@ -119,7 +119,7 @@ static void lm32_juart_realize(DeviceState *dev, Error **errp)
LM32JuartState *s = LM32_JUART(dev);
qemu_chr_fe_set_handlers(&s->chr, juart_can_rx, juart_rx,
juart_event, s, NULL, true);
juart_event, NULL, s, NULL, true);
}
static const VMStateDescription vmstate_lm32_juart = {

2
hw/char/lm32_uart.c
View file

@ -266,7 +266,7 @@ static void lm32_uart_realize(DeviceState *dev, Error **errp)
LM32UartState *s = LM32_UART(dev);
qemu_chr_fe_set_handlers(&s->chr, uart_can_rx, uart_rx,
uart_event, s, NULL, true);
uart_event, NULL, s, NULL, true);
}
static const VMStateDescription vmstate_lm32_uart = {

2
hw/char/mcf_uart.c
View file

@ -305,7 +305,7 @@ static void mcf_uart_realize(DeviceState *dev, Error **errp)
mcf_uart_state *s = MCF_UART(dev);
qemu_chr_fe_set_handlers(&s->chr, mcf_uart_can_receive, mcf_uart_receive,
mcf_uart_event, s, NULL, true);
mcf_uart_event, NULL, s, NULL, true);
}
static Property mcf_uart_properties[] = {

2
hw/char/milkymist-uart.c
View file

@ -199,7 +199,7 @@ static void milkymist_uart_realize(DeviceState *dev, Error **errp)
MilkymistUartState *s = MILKYMIST_UART(dev);
qemu_chr_fe_set_handlers(&s->chr, uart_can_rx, uart_rx,
uart_event, s, NULL, true);
uart_event, NULL, s, NULL, true);
}
static void milkymist_uart_init(Object *obj)

2
hw/char/pl011.c
View file

@ -329,7 +329,7 @@ static void pl011_realize(DeviceState *dev, Error **errp)
PL011State *s = PL011(dev);
qemu_chr_fe_set_handlers(&s->chr, pl011_can_receive, pl011_receive,
pl011_event, s, NULL, true);
pl011_event, NULL, s, NULL, true);
}
static void pl011_class_init(ObjectClass *oc, void *data)

2
hw/char/sclpconsole-lm.c
View file

@ -313,7 +313,7 @@ static int console_init(SCLPEvent *event)
console_available = true;
qemu_chr_fe_set_handlers(&scon->chr, chr_can_read,
chr_read, NULL, scon, NULL, true);
chr_read, NULL, NULL, scon, NULL, true);
return 0;
}

2
hw/char/sclpconsole.c
View file

@ -228,7 +228,7 @@ static int console_init(SCLPEvent *event)
}
console_available = true;
qemu_chr_fe_set_handlers(&scon->chr, chr_can_read,
chr_read, NULL, scon, NULL, true);
chr_read, NULL, NULL, scon, NULL, true);
return 0;
}

2
hw/char/serial.c
View file

@ -897,7 +897,7 @@ void serial_realize_core(SerialState *s, Error **errp)
qemu_register_reset(serial_reset, s);
qemu_chr_fe_set_handlers(&s->chr, serial_can_receive1, serial_receive1,
serial_event, s, NULL, true);
serial_event, NULL, s, NULL, true);
fifo8_create(&s->recv_fifo, UART_FIFO_LENGTH);
fifo8_create(&s->xmit_fifo, UART_FIFO_LENGTH);
serial_reset(s);

2
hw/char/sh_serial.c
View file

@ -400,7 +400,7 @@ void sh_serial_init(MemoryRegion *sysmem,
qemu_chr_fe_init(&s->chr, chr, &error_abort);
qemu_chr_fe_set_handlers(&s->chr, sh_serial_can_receive1,
sh_serial_receive1,
sh_serial_event, s, NULL, true);
sh_serial_event, NULL, s, NULL, true);
}
s->eri = eri_source;

2
hw/char/spapr_vty.c
View file

@ -84,7 +84,7 @@ static void spapr_vty_realize(VIOsPAPRDevice *sdev, Error **errp)
}
qemu_chr_fe_set_handlers(&dev->chardev, vty_can_receive,
vty_receive, NULL, dev, NULL, true);
vty_receive, NULL, NULL, dev, NULL, true);
}
/* Forward declaration */

3
hw/char/stm32f2xx_usart.c
View file

@ -207,7 +207,8 @@ static void stm32f2xx_usart_realize(DeviceState *dev, Error **errp)
STM32F2XXUsartState *s = STM32F2XX_USART(dev);
qemu_chr_fe_set_handlers(&s->chr, stm32f2xx_usart_can_receive,
stm32f2xx_usart_receive, NULL, s, NULL, true);
stm32f2xx_usart_receive, NULL, NULL,
s, NULL, true);
}
static void stm32f2xx_usart_class_init(ObjectClass *klass, void *data)

2
hw/char/terminal3270.c
View file

@ -179,7 +179,7 @@ static void terminal_init(EmulatedCcw3270Device *dev, Error **errp)
}
terminal_available = true;
qemu_chr_fe_set_handlers(&t->chr, terminal_can_read,
terminal_read, chr_event, t, NULL, true);
terminal_read, chr_event, NULL, t, NULL, true);
}
static int read_payload_3270(EmulatedCcw3270Device *dev, uint32_t cda,

4
hw/char/virtio-console.c
View file

@ -188,11 +188,11 @@ static void virtconsole_realize(DeviceState *dev, Error **errp)
*/
if (k->is_console) {
qemu_chr_fe_set_handlers(&vcon->chr, chr_can_read, chr_read,
NULL, vcon, NULL, true);
NULL, NULL, vcon, NULL, true);
virtio_serial_open(port);
} else {
qemu_chr_fe_set_handlers(&vcon->chr, chr_can_read, chr_read,
chr_event, vcon, NULL, false);
chr_event, NULL, vcon, NULL, false);
}
}
}

2
hw/char/xen_console.c
View file

@ -246,7 +246,7 @@ static int con_initialise(struct XenDevice *xendev)
xen_be_bind_evtchn(&con->xendev);
qemu_chr_fe_set_handlers(&con->chr, xencons_can_receive,
xencons_receive, NULL, con, NULL, true);
xencons_receive, NULL, NULL, con, NULL, true);
xen_pv_printf(xendev, 1,
"ring mfn %d, remote port %d, local port %d, limit %zd\n",

2
hw/char/xilinx_uartlite.c
View file

@ -212,7 +212,7 @@ static void xilinx_uartlite_realize(DeviceState *dev, Error **errp)
XilinxUARTLite *s = XILINX_UARTLITE(dev);
qemu_chr_fe_set_handlers(&s->chr, uart_can_rx, uart_rx,
uart_event, s, NULL, true);
uart_event, NULL, s, NULL, true);
}
static void xilinx_uartlite_init(Object *obj)