From: Zijie Pan Date: Wed, 25 Apr 2018 14:02:02 +0000 (+0200) Subject: ethdev: add access to EEPROM X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=3a18c44b45df;p=dpdk.git ethdev: add access to EEPROM add new APIs: - rte_eth_dev_get_module_info - rte_eth_dev_get_module_eeprom Signed-off-by: Zijie Pan Reviewed-by: Ferruh Yigit Acked-by: Remy Horton Acked-by: Thomas Monjalon --- diff --git a/doc/guides/nics/features.rst b/doc/guides/nics/features.rst index 14b8672bc4..57cdd1d59c 100644 --- a/doc/guides/nics/features.rst +++ b/doc/guides/nics/features.rst @@ -749,6 +749,17 @@ Supports getting/setting device eeprom data. ``rte_eth_dev_set_eeprom()``. +.. _nic_features_module_eeprom_dump: + +Module EEPROM dump +------------------ + +Supports getting information and data of plugin module eeprom. + +* **[implements] eth_dev_ops**: ``get_module_info``, ``get_module_eeprom``. +* **[related] API**: ``rte_eth_dev_get_module_info()``, ``rte_eth_dev_get_module_eeprom()``. + + .. _nic_features_register_dump: Registers dump diff --git a/doc/guides/nics/features/default.ini b/doc/guides/nics/features/default.ini index 2f03c1d0dd..e66703c4e5 100644 --- a/doc/guides/nics/features/default.ini +++ b/doc/guides/nics/features/default.ini @@ -65,6 +65,7 @@ Extended stats = Stats per queue = FW version = EEPROM dump = +Module EEPROM dump = Registers dump = LED = Multiprocess aware = diff --git a/lib/librte_ether/rte_dev_info.h b/lib/librte_ether/rte_dev_info.h index 6b68584da4..fea5da8848 100644 --- a/lib/librte_ether/rte_dev_info.h +++ b/lib/librte_ether/rte_dev_info.h @@ -28,4 +28,22 @@ struct rte_dev_eeprom_info { uint32_t magic; /**< Device-specific key, such as device-id */ }; +/** + * Placeholder for accessing plugin module eeprom + */ +struct rte_eth_dev_module_info { + uint32_t type; /**< Type of plugin module eeprom */ + uint32_t eeprom_len; /**< Length of plugin module eeprom */ +}; + +/* EEPROM Standards for plug in modules */ +#define RTE_ETH_MODULE_SFF_8079 0x1 +#define RTE_ETH_MODULE_SFF_8079_LEN 256 +#define RTE_ETH_MODULE_SFF_8472 0x2 +#define RTE_ETH_MODULE_SFF_8472_LEN 512 +#define RTE_ETH_MODULE_SFF_8636 0x3 +#define RTE_ETH_MODULE_SFF_8636_LEN 256 +#define RTE_ETH_MODULE_SFF_8436 0x4 +#define RTE_ETH_MODULE_SFF_8436_LEN 256 + #endif /* _RTE_DEV_INFO_H_ */ diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c index 51a2082447..d8c3bd2ded 100644 --- a/lib/librte_ether/rte_ethdev.c +++ b/lib/librte_ether/rte_ethdev.c @@ -3878,6 +3878,32 @@ rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info) return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info)); } +int __rte_experimental +rte_eth_dev_get_module_info(uint16_t port_id, + struct rte_eth_dev_module_info *modinfo) +{ + struct rte_eth_dev *dev; + + RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV); + + dev = &rte_eth_devices[port_id]; + RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP); + return (*dev->dev_ops->get_module_info)(dev, modinfo); +} + +int __rte_experimental +rte_eth_dev_get_module_eeprom(uint16_t port_id, + struct rte_dev_eeprom_info *info) +{ + struct rte_eth_dev *dev; + + RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV); + + dev = &rte_eth_devices[port_id]; + RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP); + return (*dev->dev_ops->get_module_eeprom)(dev, info); +} + int rte_eth_dev_get_dcb_info(uint16_t port_id, struct rte_eth_dcb_info *dcb_info) diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h index 9f0ffb6516..0474451c8a 100644 --- a/lib/librte_ether/rte_ethdev.h +++ b/lib/librte_ether/rte_ethdev.h @@ -3367,6 +3367,49 @@ int rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info); */ int rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info); +/** + * @warning + * @b EXPERIMENTAL: this API may change without prior notice. + * + * Retrieve the type and size of plugin module EEPROM + * + * @param port_id + * The port identifier of the Ethernet device. + * @param modinfo + * The type and size of plugin module EEPROM. + * @return + * - (0) if successful. + * - (-ENOTSUP) if hardware doesn't support. + * - (-ENODEV) if *port_id* invalid. + * - (-EIO) if device is removed. + * - others depends on the specific operations implementation. + */ +int __rte_experimental +rte_eth_dev_get_module_info(uint16_t port_id, + struct rte_eth_dev_module_info *modinfo); + +/** + * @warning + * @b EXPERIMENTAL: this API may change without prior notice. + * + * Retrieve the data of plugin module EEPROM + * + * @param port_id + * The port identifier of the Ethernet device. + * @param info + * The template includes the plugin module EEPROM attributes, and the + * buffer for return plugin module EEPROM data. + * @return + * - (0) if successful. + * - (-ENOTSUP) if hardware doesn't support. + * - (-ENODEV) if *port_id* invalid. + * - (-EIO) if device is removed. + * - others depends on the specific operations implementation. + */ +int __rte_experimental +rte_eth_dev_get_module_eeprom(uint16_t port_id, + struct rte_dev_eeprom_info *info); + /** * Set the list of multicast addresses to filter on an Ethernet device. * diff --git a/lib/librte_ether/rte_ethdev_core.h b/lib/librte_ether/rte_ethdev_core.h index 55eb2b09e9..33d12b3a2e 100644 --- a/lib/librte_ether/rte_ethdev_core.h +++ b/lib/librte_ether/rte_ethdev_core.h @@ -337,6 +337,14 @@ typedef int (*eth_set_eeprom_t)(struct rte_eth_dev *dev, struct rte_dev_eeprom_info *info); /**< @internal Program eeprom data */ +typedef int (*eth_get_module_info_t)(struct rte_eth_dev *dev, + struct rte_eth_dev_module_info *modinfo); +/**< @internal Retrieve type and size of plugin module eeprom */ + +typedef int (*eth_get_module_eeprom_t)(struct rte_eth_dev *dev, + struct rte_dev_eeprom_info *info); +/**< @internal Retrieve plugin module eeprom data */ + typedef int (*eth_l2_tunnel_eth_type_conf_t) (struct rte_eth_dev *dev, struct rte_eth_l2_tunnel_conf *l2_tunnel); /**< @internal config l2 tunnel ether type */ @@ -467,6 +475,10 @@ struct eth_dev_ops { eth_get_eeprom_t get_eeprom; /**< Get eeprom data. */ eth_set_eeprom_t set_eeprom; /**< Set eeprom. */ + eth_get_module_info_t get_module_info; + /** Get plugin module eeprom attribute. */ + eth_get_module_eeprom_t get_module_eeprom; + /** Get plugin module eeprom data. */ eth_filter_ctrl_t filter_ctrl; /**< common filter control. */ diff --git a/lib/librte_ether/rte_ethdev_version.map b/lib/librte_ether/rte_ethdev_version.map index e729b2e0ad..02713e430f 100644 --- a/lib/librte_ether/rte_ethdev_version.map +++ b/lib/librte_ether/rte_ethdev_version.map @@ -215,6 +215,8 @@ EXPERIMENTAL { global: rte_eth_dev_count_total; + rte_eth_dev_get_module_info; + rte_eth_dev_get_module_eeprom; rte_eth_dev_is_removed; rte_eth_dev_owner_delete; rte_eth_dev_owner_get;