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[Qemu-devel] [PATCH v4 09/11] suspend: make serial ports wakeup the gues
From: |
Gerd Hoffmann |
Subject: |
[Qemu-devel] [PATCH v4 09/11] suspend: make serial ports wakeup the guest. |
Date: |
Thu, 9 Feb 2012 18:05:41 +0100 |
Add a 'wakeup' property to the serial port. It is off by default. When
enabled any incoming character on the serial line will wake up the
guest. Useful for guests which have a serial console configured.
Signed-off-by: Gerd Hoffmann <address@hidden>
---
hw/serial.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/hw/serial.c b/hw/serial.c
index 82917e2..8224607 100644
--- a/hw/serial.c
+++ b/hw/serial.c
@@ -139,6 +139,7 @@ struct SerialState {
int it_shift;
int baudbase;
int tsr_retry;
+ uint32_t wakeup;
uint64_t last_xmit_ts; /* Time when the last byte was
successfully sent out of the tsr */
SerialFIFO recv_fifo;
@@ -635,6 +636,10 @@ static int serial_can_receive1(void *opaque)
static void serial_receive1(void *opaque, const uint8_t *buf, int size)
{
SerialState *s = opaque;
+
+ if (s->wakeup) {
+ qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER);
+ }
if(s->fcr & UART_FCR_FE) {
int i;
for (i = 0; i < size; i++) {
@@ -884,6 +889,7 @@ static Property serial_isa_properties[] = {
DEFINE_PROP_HEX32("iobase", ISASerialState, iobase, -1),
DEFINE_PROP_UINT32("irq", ISASerialState, isairq, -1),
DEFINE_PROP_CHR("chardev", ISASerialState, state.chr),
+ DEFINE_PROP_UINT32("wakeup", ISASerialState, state.wakeup, 0),
DEFINE_PROP_END_OF_LIST(),
};
--
1.7.1
- [Qemu-devel] [PATCH v4 00/11] initial suspend support, Gerd Hoffmann, 2012/02/09
- [Qemu-devel] [PATCH v4 03/11] acpi: don't pass overflow_time to acpi_pm1_evt_get_sts, Gerd Hoffmann, 2012/02/09
- [Qemu-devel] [PATCH v4 02/11] acpi: add ACPIREGS, Gerd Hoffmann, 2012/02/09
- [Qemu-devel] [PATCH v4 07/11] suspend: add system_wakeup monitor command, Gerd Hoffmann, 2012/02/09
- [Qemu-devel] [PATCH v4 04/11] acpi: add acpi_pm1_evt_write_en, Gerd Hoffmann, 2012/02/09
- [Qemu-devel] [PATCH v4 01/11] acpi: move around structs, Gerd Hoffmann, 2012/02/09
- [Qemu-devel] [PATCH v4 09/11] suspend: make serial ports wakeup the guest.,
Gerd Hoffmann <=
- [Qemu-devel] [PATCH v4 10/11] suspend: make rtc alarm wakeup the guest., Gerd Hoffmann, 2012/02/09
- [Qemu-devel] [PATCH v4 05/11] suspend: add infrastructure, Gerd Hoffmann, 2012/02/09
- Re: [Qemu-devel] [PATCH v4 05/11] suspend: add infrastructure, Gleb Natapov, 2012/02/13
- Re: [Qemu-devel] [PATCH v4 05/11] suspend: add infrastructure, Gerd Hoffmann, 2012/02/14
- Re: [Qemu-devel] [PATCH v4 05/11] suspend: add infrastructure, Gleb Natapov, 2012/02/14
- Re: [Qemu-devel] [PATCH v4 05/11] suspend: add infrastructure, Gerd Hoffmann, 2012/02/14
- Re: [Qemu-devel] [PATCH v4 05/11] suspend: add infrastructure, Gleb Natapov, 2012/02/14
- Re: [Qemu-devel] [PATCH v4 05/11] suspend: add infrastructure, Gerd Hoffmann, 2012/02/14
[Qemu-devel] [PATCH v4 08/11] suspend: make ps/2 devices wakeup the guest, Gerd Hoffmann, 2012/02/09
[Qemu-devel] [PATCH v4 11/11] suspend: pmtimer s3 wakeup, Gerd Hoffmann, 2012/02/09