[PATCH v3 3/9] bus: introduce parsing functionality
From: Gaetan Rivet <hidden>
Date: 2017-06-01 10:09:12
Subsystem:
library code, the rest · Maintainers:
Andrew Morton, Linus Torvalds
This operation can be used either to validate that a device representation can be understood by a bus, as well as store the resulting specialized device representation in any format determined by the bus. Signed-off-by: Gaetan Rivet <redacted> --- lib/librte_eal/common/include/rte_bus.h | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+)
diff --git a/lib/librte_eal/common/include/rte_bus.h b/lib/librte_eal/common/include/rte_bus.h
index 3bc4e1c..7e73d62 100644
--- a/lib/librte_eal/common/include/rte_bus.h
+++ b/lib/librte_eal/common/include/rte_bus.h@@ -106,6 +106,26 @@ typedef int (*rte_bus_plug_t)(struct rte_devargs *da); typedef int (*rte_bus_unplug_t)(struct rte_devargs *da); /** + * Bus specific parsing function. + * Validates the syntax used in the textual representation of a device, + * If the syntax is valid and ``addr`` is not NULL, writes the bus-specific + * device representation to ``addr``. + * + * @param[in] name + * device textual description + * + * @param[out] addr + * device information location address, into which parsed info + * should be written. If NULL, nothing should be written, which + * is not an error. + * + * @return + * 0 if parsing was successful. + * !0 for any error. + */ +typedef int (*rte_bus_parse_t)(const char *name, void *addr); + +/** * A structure describing a generic bus. */ struct rte_bus {
@@ -116,6 +136,7 @@ struct rte_bus { rte_bus_find_device_t find_device; /**< Find device on bus */ rte_bus_plug_t plug; /**< Probe single device for drivers */ rte_bus_unplug_t unplug; /**< Remove single device from driver */ + rte_bus_parse_t parse; /**< Parse a device name */ }; /**
--
2.1.4