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#ifndef _DISCOVER_CLIENT_H
#define _DISCOVER_CLIENT_H
#include <types/types.h>
#include <waiter/waiter.h>
struct discover_client;
struct pb_boot_data {
char *image;
char *initrd;
char *dtb;
char *args;
};
/**
* struct discover_client_ops - Application supplied client info.
* @device_add: PB_PROTOCOL_ACTION_ADD event callback.
* @device_remove: PB_PROTOCOL_ACTION_REMOVE event callback.
* @cb_arg: Client managed convenience variable passed to callbacks.
*
* The discover client holds talloc references to the devices (and the
* devices' boot options), so callbacks may store boot options and devices
* as long as the client remains allocated.
*
* The boot_status and system_info structs are allocated by the client,
* and will be free()ed after the callback is invoked. If the callback
* stores these structures for usage beyond the duration of the callback,
* it must talloc_steal() them.
*/
struct discover_client_ops {
int (*device_add)(struct device *device, void *arg);
int (*boot_option_add)(struct device *dev, struct boot_option *option,
void *arg);
void (*device_remove)(struct device *device, void *arg);
void (*update_status)(struct boot_status *status, void *arg);
void (*update_sysinfo)(struct system_info *sysinfo, void *arg);
void (*update_config)(struct config *sysinfo, void *arg);
void *cb_arg;
};
struct discover_client *discover_client_init(struct waitset *waitset,
const struct discover_client_ops *ops, void *cb_arg);
void discover_client_destroy(struct discover_client *client);
/**
* Get the number of devices that the discover client has stored. This
* is the set of devices that have been added and not removed
*
* @param client The discover client
* @return The number of devices that have been added.
*/
int discover_client_device_count(struct discover_client *client);
/**
* Get the device at a specific index.
* @param client A pointer to the discover client
* @param index The index of the device to retrieve
* @return The device at the specified index, or NULL if none exists
*/
struct device *discover_client_get_device(struct discover_client *client,
int index);
/* Tell the discover server to boot an image
* @param client A pointer to the discover client
* @param boot_command The command to boot
*/
int discover_client_boot(struct discover_client *client,
const struct device *device,
const struct boot_option *boot_option,
const struct pb_boot_data *data);
/* Tell the discover server to cancel the default boot option, if any
*/
int discover_client_cancel_default(struct discover_client *client);
/* Tell the discover server to reinitialise */
int discover_client_send_reinit(struct discover_client *client);
/* Send new configuration data to the discover server */
int discover_client_send_config(struct discover_client *client,
struct config *config);
/* Re-enumerate the collected devices & boot options, calling ops->device_add
* and ops->boot_option_add on each.
*/
void discover_client_enumerate(struct discover_client *client);
/* Send url to config to the discover server */
int discover_client_send_url(struct discover_client *client, char *url);
#endif
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