Commit 5a423552 authored by Ivan Vecera's avatar Ivan Vecera Committed by David S. Miller
Browse files

i40e: Add handler for devlink .info_get 



Provide devlink .info_get callback to allow the driver to report
detailed version information. The following info is reported:

 "serial_number" -> The PCI DSN of the adapter
 "fw.mgmt" -> The version of the firmware
 "fw.mgmt.api" -> The API version of interface exposed over the AdminQ
 "fw.psid" -> The version of the NVM image
 "fw.bundle_id" -> Unique identifier for the combined flash image
 "fw.undi" -> The combo image version

With this, 'devlink dev info' provides at least the same amount
information as is reported by ETHTOOL_GDRVINFO:

$ ethtool -i enp2s0f0 | egrep '(driver|firmware)'
driver: i40e
firmware-version: 9.30 0x8000e5f3 1.3429.0

$ devlink dev info pci/0000:02:00.0
pci/0000:02:00.0:
  driver i40e
  serial_number c0-de-b7-ff-ff-ef-ec-3c
  versions:
      running:
        fw.mgmt 9.130.73618
        fw.mgmt.api 1.15
        fw.psid 9.30
        fw.bundle_id 0x8000e5f3
        fw.undi 1.3429.0

Signed-off-by: default avatarIvan Vecera <ivecera@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 7aabde39

drivers/net/ethernet/intel/i40e/i40e_devlink.c

+90 −0
Original line number Diff line number Diff line
@@ -5,7 +5,97 @@ 
#include "i40e.h"

#include "i40e_devlink.h"



static void i40e_info_get_dsn(struct i40e_pf *pf, char *buf, size_t len)

{

	u8 dsn[8];



	put_unaligned_be64(pci_get_dsn(pf->pdev), dsn);



	snprintf(buf, len, "%8phD", dsn);

}



static void i40e_info_fw_mgmt(struct i40e_hw *hw, char *buf, size_t len)

{

	struct i40e_adminq_info *aq = &hw->aq;



	snprintf(buf, len, "%u.%u.%05d",

		 aq->fw_maj_ver, aq->fw_min_ver, aq->fw_build);

}



static void i40e_info_fw_api(struct i40e_hw *hw, char *buf, size_t len)

{

	struct i40e_adminq_info *aq = &hw->aq;



	snprintf(buf, len, "%u.%u", aq->api_maj_ver, aq->api_min_ver);

}



enum i40e_devlink_version_type {

	I40E_DL_VERSION_RUNNING,

};



static int i40e_devlink_info_put(struct devlink_info_req *req,

				 enum i40e_devlink_version_type type,

				 const char *key, const char *value)

{

	if (!strlen(value))

		return 0;



	switch (type) {

	case I40E_DL_VERSION_RUNNING:

		return devlink_info_version_running_put(req, key, value);

	}

	return 0;

}



static int i40e_devlink_info_get(struct devlink *dl,

				 struct devlink_info_req *req,

				 struct netlink_ext_ack *extack)

{

	struct i40e_pf *pf = devlink_priv(dl);

	struct i40e_hw *hw = &pf->hw;

	char buf[32];

	int err;



	i40e_info_get_dsn(pf, buf, sizeof(buf));

	err = devlink_info_serial_number_put(req, buf);

	if (err)

		return err;



	i40e_info_fw_mgmt(hw, buf, sizeof(buf));

	err = i40e_devlink_info_put(req, I40E_DL_VERSION_RUNNING,

				    DEVLINK_INFO_VERSION_GENERIC_FW_MGMT, buf);

	if (err)

		return err;



	i40e_info_fw_api(hw, buf, sizeof(buf));

	err = i40e_devlink_info_put(req, I40E_DL_VERSION_RUNNING,

				    DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API,

				    buf);

	if (err)

		return err;



	i40e_info_nvm_ver(hw, buf, sizeof(buf));

	err = i40e_devlink_info_put(req, I40E_DL_VERSION_RUNNING,

				    DEVLINK_INFO_VERSION_GENERIC_FW_PSID, buf);

	if (err)

		return err;



	i40e_info_eetrack(hw, buf, sizeof(buf));

	err = i40e_devlink_info_put(req, I40E_DL_VERSION_RUNNING,

				    DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID,

				    buf);

	if (err)

		return err;



	i40e_info_civd_ver(hw, buf, sizeof(buf));

	err = i40e_devlink_info_put(req, I40E_DL_VERSION_RUNNING,

				    DEVLINK_INFO_VERSION_GENERIC_FW_UNDI, buf);



	return err;

}



static const struct devlink_ops i40e_devlink_ops = {

	.info_get = i40e_devlink_info_get,

};



/**