[dpdk-dev,v7,1/5] ethdev: add firmware version get

Message ID 1484116905-57438-2-git-send-email-qiming.yang@intel.com
State Superseded, archived
Delegated to: Thomas Monjalon
Headers show

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Context Check Description
ci/Intel compilation success Compilation OK
ci/checkpatch success coding style OK

Commit Message

Yang, Qiming Jan. 11, 2017, 6:41 a.m.
This patch adds a new API 'rte_eth_dev_fw_version_get' for
fetching firmware version by a given device.

Signed-off-by: Qiming Yang <qiming.yang@intel.com>
Acked-by: Remy Horton <remy.horton@intel.com>
---
 doc/guides/nics/features/default.ini   |  1 +
 doc/guides/rel_notes/deprecation.rst   |  4 ----
 doc/guides/rel_notes/release_17_02.rst |  5 +++++
 lib/librte_ether/rte_ethdev.c          | 12 ++++++++++++
 lib/librte_ether/rte_ethdev.h          | 25 +++++++++++++++++++++++++
 lib/librte_ether/rte_ether_version.map |  1 +
 6 files changed, 44 insertions(+), 4 deletions(-)

Patch

diff --git a/doc/guides/nics/features/default.ini b/doc/guides/nics/features/default.ini
index f1bf9bf..ae40d57 100644
--- a/doc/guides/nics/features/default.ini
+++ b/doc/guides/nics/features/default.ini
@@ -50,6 +50,7 @@  Timesync             =
 Basic stats          =
 Extended stats       =
 Stats per queue      =
+FW version           =
 EEPROM dump          =
 Registers dump       =
 Multiprocess aware   =
diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst
index 054e2e7..755dc65 100644
--- a/doc/guides/rel_notes/deprecation.rst
+++ b/doc/guides/rel_notes/deprecation.rst
@@ -30,10 +30,6 @@  Deprecation Notices
   ``nb_seg_max`` and ``nb_mtu_seg_max`` providing information about number of
   segments limit to be transmitted by device for TSO/non-TSO packets.
 
-* In 17.02 ABI change is planned: the ``rte_eth_dev_info`` structure
-  will be extended with a new member ``fw_version`` in order to store
-  the NIC firmware version.
-
 * ethdev: an API change is planned for 17.02 for the function
   ``_rte_eth_dev_callback_process``. In 17.02 the function will return an ``int``
   instead of ``void`` and a fourth parameter ``void *ret_param`` will be added.
diff --git a/doc/guides/rel_notes/release_17_02.rst b/doc/guides/rel_notes/release_17_02.rst
index 5762d3f..f9134bb 100644
--- a/doc/guides/rel_notes/release_17_02.rst
+++ b/doc/guides/rel_notes/release_17_02.rst
@@ -66,6 +66,11 @@  New Features
   Support for Mellanox ConnectX-5 family of 10/25/40/50/100 Gbps adapters
   has been added to the existing mlx5 PMD.
 
+* **Added firmware version get API.**
+
+  Added a new function ``rte_eth_dev_fw_version_get()`` to fetch firmware
+  version by a given device.
+
 Resolved Issues
 ---------------
 
diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index 917557a..89cffcf 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -1588,6 +1588,18 @@  rte_eth_dev_set_rx_queue_stats_mapping(uint8_t port_id, uint16_t rx_queue_id,
 			STAT_QMAP_RX);
 }
 
+int
+rte_eth_dev_fw_version_get(uint8_t port_id, char *fw_version, size_t fw_size)
+{
+	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->fw_version_get, -ENOTSUP);
+	return (*dev->dev_ops->fw_version_get)(dev, fw_version, fw_size);
+}
+
 void
 rte_eth_dev_info_get(uint8_t port_id, struct rte_eth_dev_info *dev_info)
 {
diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index ded43d7..a9b3686 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -1177,6 +1177,10 @@  typedef uint32_t (*eth_rx_queue_count_t)(struct rte_eth_dev *dev,
 typedef int (*eth_rx_descriptor_done_t)(void *rxq, uint16_t offset);
 /**< @internal Check DD bit of specific RX descriptor */
 
+typedef int (*eth_fw_version_get_t)(struct rte_eth_dev *dev,
+				     char *fw_version, size_t fw_size);
+/**< @internal Get firmware information of an Ethernet device. */
+
 typedef void (*eth_rxq_info_get_t)(struct rte_eth_dev *dev,
 	uint16_t rx_queue_id, struct rte_eth_rxq_info *qinfo);
 
@@ -1459,6 +1463,7 @@  struct eth_dev_ops {
 	eth_dev_infos_get_t        dev_infos_get; /**< Get device info. */
 	eth_rxq_info_get_t         rxq_info_get; /**< retrieve RX queue information. */
 	eth_txq_info_get_t         txq_info_get; /**< retrieve TX queue information. */
+	eth_fw_version_get_t       fw_version_get; /**< Get firmware version. */
 	eth_dev_supported_ptypes_get_t dev_supported_ptypes_get;
 	/**< Get packet types supported and identified by device. */
 
@@ -2396,6 +2401,26 @@  void rte_eth_macaddr_get(uint8_t port_id, struct ether_addr *mac_addr);
 void rte_eth_dev_info_get(uint8_t port_id, struct rte_eth_dev_info *dev_info);
 
 /**
+ * Retrieve the firmware version of a device.
+ *
+ * @param port_id
+ *   The port identifier of the device.
+ * @param fw_version
+ *   A array pointer to store the firmware version of a device,
+ *   allocated by caller.
+ * @param fw_size
+ *   The size of the array pointed by fw_version, which should be
+ *   large enough to store firmware version of the device.
+ * @return
+ *   - (0) if successful.
+ *   - (-ENOTSUP) if operation is not supported.
+ *   - (-ENODEV) if *port_id* invalid.
+ *   - (-EINVAL) if *fw_size* is not enough to store firmware version.
+ */
+int rte_eth_dev_fw_version_get(uint8_t port_id,
+			       char *fw_version, size_t fw_size);
+
+/**
  * Retrieve the supported packet types of an Ethernet device.
  *
  * When a packet type is announced as supported, it *must* be recognized by
diff --git a/lib/librte_ether/rte_ether_version.map b/lib/librte_ether/rte_ether_version.map
index 0c2859e..c6c9d0d 100644
--- a/lib/librte_ether/rte_ether_version.map
+++ b/lib/librte_ether/rte_ether_version.map
@@ -146,6 +146,7 @@  DPDK_17.02 {
 	global:
 
 	_rte_eth_dev_reset;
+	rte_eth_dev_fw_version_get;
 	rte_flow_create;
 	rte_flow_destroy;
 	rte_flow_flush;