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#ifndef _PCILIB_PLUGIN_H
#define _PCILIB_PLUGIN_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* Loads the specified plugin
* The plugin symbols are loaded localy and not available for symbol resolution, but should be requested
* with pcilib_plugin_get_symbol() instead.
* @param[in] name - the plugin name (with extension, but without path)
* @return - dlopen'ed plugin or NULL in the case of error
*/
void *pcilib_plugin_load(const char *name);
/**
* Cleans up the loaded plugin
* @param[in] plug - plugin loaded with pcilib_plugin_load()
*/
void pcilib_plugin_close(void *plug);
/**
* Resolves the specified symbol in the plugin
* @param[in] plug - plugin loaded with pcilib_plugin_load()
* @param[in] symbol - name of the symbol
* @return - pointer to the symbol or NULL if not found
*/
void *pcilib_plugin_get_symbol(void *plug, const char *symbol);
/**
* Verifies if plugin can handle the hardware and requests appropriate model description
* @param[in,out] ctx - pcilib context
* @param[in] plug - plugin loaded with pcilib_plugin_load()
* @param[in] vendor_id - Vendor ID reported by hardware
* @param[in] device_id - Device ID reported by hardware
* @param[in] model - the requested pcilib model or NULL for autodetction
* @return - the appropriate model description or NULL if the plugin does not handle the installed hardware or requested model
*/
const pcilib_model_description_t *pcilib_get_plugin_model(pcilib_t *ctx, void *plug, unsigned short vendor_id, unsigned short device_id, const char *model);
/**
* Finds the appropriate plugin and returns model description.
*
* The function sequentially loads plugins available in ::PCILIB_PLUGIN_DIR and
* checks if they support the installed hardware and requested model. If hardware
* is not supported, the plugin is immideately unloaded. On a first success
* the model description is returned to caller and no further plguins are loaded.
* If no suitable plugin is found, the NULL is returned.
*
* If model is specified, first a plugin with the same name is loaded and check performed
* if it can handle the installed hardware. If not, we iterate over all available
* plugins as usual.
*
* @param[in,out] ctx - pcilib context
* @param[in] vendor_id - Vendor ID reported by hardware
* @param[in] device_id - Device ID reported by hardware
* @param[in] model - the requested pcilib model or NULL for autodetction
* @return - the appropriate model description or NULL if no plugin found able to handle the installed hardware or requested model
*/
const pcilib_model_description_t *pcilib_find_plugin_model(pcilib_t *ctx, unsigned short vendor_id, unsigned short device_id, const char *model);
#ifdef __cplusplus
}
#endif
#endif /* _PCILIB_PLUGIN_H */
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