gicv3_its.h

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/*
 * Copyright (c) 2021 BayLibre, SAS
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_DRIVERS_GICV3_ITS_H_
#define ZEPHYR_INCLUDE_DRIVERS_GICV3_ITS_H_
 
typedef unsigned int (*its_api_alloc_intid_t)(const struct device *dev);
typedef int (*its_api_setup_deviceid_t)(const struct device *dev, uint32_t device_id,
                                        unsigned int nites);
typedef int (*its_api_map_intid_t)(const struct device *dev, uint32_t device_id,
                                   uint32_t event_id, unsigned int intid);
typedef int (*its_api_send_int_t)(const struct device *dev, uint32_t device_id, uint32_t event_id);
typedef uint32_t (*its_api_get_msi_addr_t)(const struct device *dev);
 
__subsystem struct its_driver_api {
        its_api_alloc_intid_t alloc_intid;
        its_api_setup_deviceid_t setup_deviceid;
        its_api_map_intid_t map_intid;
        its_api_send_int_t send_int;
        its_api_get_msi_addr_t get_msi_addr;
};
 
static inline int its_alloc_intid(const struct device *dev)
{
        const struct its_driver_api *api =
                (const struct its_driver_api *)dev->api;
 
        return api->alloc_intid(dev);
}
 
static inline int its_setup_deviceid(const struct device *dev, uint32_t device_id,
                                     unsigned int nites)
{
        const struct its_driver_api *api =
                (const struct its_driver_api *)dev->api;
 
        return api->setup_deviceid(dev, device_id, nites);
}
 
static inline int its_map_intid(const struct device *dev, uint32_t device_id,
                                uint32_t event_id, unsigned int intid)
{
        const struct its_driver_api *api =
                (const struct its_driver_api *)dev->api;
 
        return api->map_intid(dev, device_id, event_id, intid);
}
 
static inline int its_send_int(const struct device *dev, uint32_t device_id, uint32_t event_id)
{
        const struct its_driver_api *api =
                (const struct its_driver_api *)dev->api;
 
        return api->send_int(dev, device_id, event_id);
}
 
static inline uint32_t its_get_msi_addr(const struct device *dev)
{
        const struct its_driver_api *api =
                (const struct its_driver_api *)dev->api;
 
        return api->get_msi_addr(dev);
}
 
#endif /* ZEPHYR_INCLUDE_DRIVERS_GICV3_ITS_H_ */