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[SCSI] fcoe: Add support for FDMI in fcoe 

This adds support for updating the FC-GS FDMI attributes
in the fcoe driver.

Signed-off-by: Neerav Parikh <neerav.parikh@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Acked-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Neerav Parikh 2012-01-22 17:30:10 -08:00 committed by James Bottomley
parent d78c317f6c
commit 6fef390288
1 changed files with 82 additions and 0 deletions
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82
drivers/scsi/fcoe/fcoe.c
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@ -734,6 +734,85 @@ static int fcoe_shost_config(struct fc_lport *lport, struct device *dev)
return 0;
}
/**
* fcoe_fdmi_info() - Get FDMI related info from net devive for SW FCoE
* @lport: The local port that is associated with the net device
* @netdev: The associated net device
*
* Must be called after fcoe_shost_config() as it will use local port mutex
*
*/
static void fcoe_fdmi_info(struct fc_lport *lport, struct net_device *netdev)
{
struct fcoe_interface *fcoe;
struct fcoe_port *port;
struct net_device *realdev;
int rc;
struct netdev_fcoe_hbainfo fdmi;
port = lport_priv(lport);
fcoe = port->priv;
realdev = fcoe->realdev;
if (!realdev)
return;
/* No FDMI state m/c for NPIV ports */
if (lport->vport)
return;
if (realdev->netdev_ops->ndo_fcoe_get_hbainfo) {
memset(&fdmi, 0, sizeof(fdmi));
rc = realdev->netdev_ops->ndo_fcoe_get_hbainfo(realdev,
&fdmi);
if (rc) {
printk(KERN_INFO "fcoe: Failed to retrieve FDMI "
"information from netdev.\n");
return;
}
snprintf(fc_host_serial_number(lport->host),
FC_SERIAL_NUMBER_SIZE,
"%s",
fdmi.serial_number);
snprintf(fc_host_manufacturer(lport->host),
FC_SERIAL_NUMBER_SIZE,
"%s",
fdmi.manufacturer);
snprintf(fc_host_model(lport->host),
FC_SYMBOLIC_NAME_SIZE,
"%s",
fdmi.model);
snprintf(fc_host_model_description(lport->host),
FC_SYMBOLIC_NAME_SIZE,
"%s",
fdmi.model_description);
snprintf(fc_host_hardware_version(lport->host),
FC_VERSION_STRING_SIZE,
"%s",
fdmi.hardware_version);
snprintf(fc_host_driver_version(lport->host),
FC_VERSION_STRING_SIZE,
"%s",
fdmi.driver_version);
snprintf(fc_host_optionrom_version(lport->host),
FC_VERSION_STRING_SIZE,
"%s",
fdmi.optionrom_version);
snprintf(fc_host_firmware_version(lport->host),
FC_VERSION_STRING_SIZE,
"%s",
fdmi.firmware_version);
/* Enable FDMI lport states */
lport->fdmi_enabled = 1;
} else {
lport->fdmi_enabled = 0;
printk(KERN_INFO "fcoe: No FDMI support.\n");
}
}
/**
* fcoe_oem_match() - The match routine for the offloaded exchange manager
* @fp: The I/O frame
@ -1047,6 +1126,9 @@ static struct fc_lport *fcoe_if_create(struct fcoe_interface *fcoe,
goto out_lp_destroy;
}
/* Initialized FDMI information */
fcoe_fdmi_info(lport, netdev);
/*
* fcoe_em_alloc() and fcoe_hostlist_add() both
* need to be atomic with respect to other changes to the