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drivers: watchdog: add system calls

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wdt_install_timeout() was skipped as it installs an ISR-context
callback handler function. The rest are simple wrappers.

Added myself as the maintainer of the syscall handlers. WDT
subsystem appears to not currently have an owner.

Fixes: #21432

Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
This commit is contained in:
Andrew Boie 2019-12-16 12:15:45 -08:00 committed by Anas Nashif
parent b292f7643b
commit 13b8b41676
4 changed files with 46 additions and 4 deletions
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1
CODEOWNERS
View file

@ -188,6 +188,7 @@
/drivers/i2c/*sam0* @Sizurka
/drivers/i2c/i2c_dw* @dcpleung
/drivers/*/*xec* @franciscomunoz @albertofloyd @scottwcpg
/drivers/watchdog/wdt_handlers.c @andrewboie
/drivers/wifi/ @jukkar @tbursztyka @pfalcon
/drivers/wifi/eswifi/ @loicpoulain
/dts/arc/ @vonhust @ruuddw @iriszzw

32
drivers/watchdog/wdt_handlers.c Normal file
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@ -0,0 +1,32 @@
/*
* Copyright (c) 2019 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <drivers/watchdog.h>
#include <syscall_handler.h>
static inline int z_vrfy_wdt_setup(struct device *dev, u8_t options)
{
Z_OOPS(Z_SYSCALL_DRIVER_WDT(dev, wdt_setup));
return z_impl_wdt_setup(dev, options);
}
#include <syscalls/wdt_setup.c>
static inline int z_vrfy_wdt_disable(struct device *dev)
{
Z_OOPS(Z_SYSCALL_DRIVER_WDT(dev, wdt_disable));
return z_impl_wdt_disable(dev);
}
#include <syscalls/wdt_disable.c>
static inline int z_vrfy_wdt_feed(struct device *dev)
{
Z_OOPS(Z_SYSCALL_DRIVER_WDT(dev, wdt_feed));
return z_impl_wdt_feed(dev);
}
#include <syscalls/wdt_feed.c>

14
include/drivers/watchdog.h
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@ -160,7 +160,9 @@ struct wdt_driver_api {
* @retval -ENOTSUP If any of the set options is not supported.
* @retval -EBUSY If watchdog instance has been already setup.
*/
static inline int wdt_setup(struct device *dev, u8_t options)
__syscall int wdt_setup(struct device *dev, u8_t options);
static inline int z_impl_wdt_setup(struct device *dev, u8_t options)
{
const struct wdt_driver_api *api =
(const struct wdt_driver_api *)dev->driver_api;
@ -181,7 +183,9 @@ static inline int wdt_setup(struct device *dev, u8_t options)
* @retval -EFAULT If watchdog instance is not enabled.
* @retval -EPERM If watchdog can not be disabled directly by application code.
*/
static inline int wdt_disable(struct device *dev)
__syscall int wdt_disable(struct device *dev);
static inline int z_impl_wdt_disable(struct device *dev)
{
const struct wdt_driver_api *api =
(const struct wdt_driver_api *)dev->driver_api;
@ -229,7 +233,9 @@ static inline int wdt_install_timeout(struct device *dev,
* @retval 0 If successful.
* @retval -EINVAL If there is no installed timeout for supplied channel.
*/
static inline int wdt_feed(struct device *dev, int channel_id)
__syscall int wdt_feed(struct device *dev, int channel_id);
static inline int z_impl_wdt_feed(struct device *dev, int channel_id)
{
const struct wdt_driver_api *api =
(const struct wdt_driver_api *)dev->driver_api;
@ -245,4 +251,6 @@ static inline int wdt_feed(struct device *dev, int channel_id)
* @}
*/
#include <syscalls/watchdog.h>
#endif /* _ZEPHYR_WATCHDOG_H__ */

1
scripts/gen_kobject_list.py
View file

@ -113,6 +113,7 @@ subsystems = [
"can_driver_api",
"ptp_clock_driver_api",
"eeprom_driver_api",
"wdt_driver_api",
# Fake 'sample driver' subsystem, used by tests/samples
"sample_driver_api"