#include <glib.h>

#include <blockdev/utils.h>

GQuark bd_mpath_error_quark (void) {

    return g_quark_from_static_string ("g-bd-mpath-error-quark");

}

#define BD_MPATH_ERROR bd_mpath_error_quark ()

typedef enum {

    BD_MPATH_ERROR_FLUSH,

    BD_MPATH_ERROR_NOT_ROOT,

    BD_MPATH_ERROR_DM_ERROR,

    BD_MPATH_ERROR_INVAL,

    BD_MPATH_ERROR_TECH_UNAVAIL,

} BDMpathError;

typedef enum {

    BD_MPATH_TECH_BASE = 0,

    BD_MPATH_TECH_FRIENDLY_NAMES,

} BDMpathTech;

typedef enum {

    BD_MPATH_TECH_MODE_QUERY  = 1 << 0,

    BD_MPATH_TECH_MODE_MODIFY = 1 << 1,

} BDMpathTechMode;

/**

 * bd_mpath_is_tech_avail:

 * @tech: the queried tech

 * @mode: a bit mask of queried modes of operation for @tech

 * @error: (out): place to store error (details about why the @tech-@mode combination is not available)

 *

 * Returns: whether the @tech-@mode combination is avaible -- supported by the

 *          plugin implementation and having all the runtime dependencies available

 */

gboolean bd_mpath_is_tech_avail (BDMpathTech tech, guint64 mode, GError **error);

/**

 * bd_mpath_flush_mpaths:

 * @error: (out): place to store error (if any)

 *

 * Returns: whether multipath device maps were successfully flushed or not

 *

 * Flushes all unused multipath device maps.

 *

 * Tech category: %BD_MPATH_TECH_BASE-%BD_MPATH_TECH_MODE_MODIFY

 */

gboolean bd_mpath_flush_mpaths (GError **error);

/**

 * bd_mpath_is_mpath_member:

 * @device: device to test

 * @error: (out): place to store error (if any)

 *

 * Returns: %TRUE if the device is a multipath member, %FALSE if not or an error

 * appeared when queried (@error is set in those cases)

 *

 * Tech category: %BD_MPATH_TECH_BASE-%BD_MPATH_TECH_MODE_QUERY

 */

gboolean bd_mpath_is_mpath_member (const gchar *device, GError **error);

/**

 * bd_mpath_get_mpath_members:

 * @error: (out): place to store error (if any)

 *

 * Returns: (transfer full) (array zero-terminated=1): list of names of all devices that are

 *                                                     members of the mpath mappings (or %NULL

 *                                                     in case of error)

 *

 * Tech category: %BD_MPATH_TECH_BASE-%BD_MPATH_TECH_MODE_QUERY

 */

gchar** bd_mpath_get_mpath_members (GError **error);

/**

 * bd_mpath_set_friendly_names:

 * @enabled: whether friendly names should be enabled or not

 * @error: (out): place to store error (if any)

 *

 * Returns: if successfully set or not

 *

 * Tech category: %BD_MPATH_TECH_FRIENDLY_NAMES-%BD_MPATH_TECH_MODE_MODIFY

 */

gboolean bd_mpath_set_friendly_names (gboolean enabled, GError **error);