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