FreeBSD/Linux Kernel Cross Reference
sys/dev/cxgbe/t4_if.m

     #-
     # Copyright (c) 2015-2016 Chelsio Communications, Inc.
     # All rights reserved.
     # Written by: John Baldwin <jhb@FreeBSD.org>
     #
     # Redistribution and use in source and binary forms, with or without
     # modification, are permitted provided that the following conditions
     # are met:
     # 1. Redistributions of source code must retain the above copyright
    #    notice, this list of conditions and the following disclaimer.
    # 2. Redistributions in binary form must reproduce the above copyright
    #    notice, this list of conditions and the following disclaimer in the
    #    documentation and/or other materials provided with the distribution.
    #
    # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
    # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
    # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
    # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
    # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    # SUCH DAMAGE.
    #
    # $FreeBSD$
    #
    
    #include <sys/bus.h>
    
    INTERFACE t4;
    
    # The "main" device of a T4/T5 NIC is the PF4 device.  Drivers for other
    # functions on the NIC need to wait for the main device to be initialized
    # before finishing attach.  These routines allow drivers for other devices
    # to coordinate with the main driver for the PF4.
    
    # Called by a driver during attach to determine if the PF4 driver is
    # initialized.  If the main driver is not ready, the driver should defer
    # further initialization until 'attach_child'.
    METHOD int is_main_ready {
            device_t        dev;
    };
    
    # Called by the PF4 driver on each sibling device when the PF4 driver is
    # initialized.
    METHOD int attach_child {
            device_t        dev;
    };
    
    # Called by the PF4 driver on each sibling device when the PF4 driver is
    # preparing to detach.
    METHOD int detach_child {
            device_t        dev;
    };
    
    # Called by a driver to query the PF4 driver for the child device
    # associated with a given port.  If the port is not enabled on the adapter,
    # this will fail.
    METHOD int read_port_device {
            device_t        dev;
            int             port;
            device_t        *child;
    };

Cache object: 5339402d03e67ef9c1c3f2a53aaede18