d63a10da54
This commit adds support of interrupt-driven API for UART-like Xen PV console driver. It is implemented via Xen event channels. It allows to send and receive data by chunks (not single symbols) and without polling. Signed-off-by: Dmytro Firsov <dmytro_firsov@epam.com>
29 lines
593 B
C
29 lines
593 B
C
/*
|
|
* Copyright (c) 2021 EPAM Systems
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
#ifndef __XEN_CONSOLE_H__
|
|
#define __XEN_CONSOLE_H__
|
|
|
|
#include <init.h>
|
|
#include <device.h>
|
|
#include <drivers/uart.h>
|
|
#include <sys/device_mmio.h>
|
|
|
|
struct hvc_xen_data {
|
|
DEVICE_MMIO_RAM; /* should be first */
|
|
const struct device *dev;
|
|
struct xencons_interface *intf;
|
|
uint64_t evtchn;
|
|
|
|
#ifdef CONFIG_UART_INTERRUPT_DRIVEN
|
|
uart_irq_callback_user_data_t irq_cb;
|
|
void *irq_cb_data;
|
|
#endif /* CONFIG_UART_INTERRUPT_DRIVEN */
|
|
};
|
|
|
|
int xen_console_init(const struct device *dev);
|
|
|
|
#endif /* __XEN_CONSOLE_H__ */
|