f1a8e245ae
interface with 5 methods to mirror the 5 MSI/MSI-X methods in the pcib interface. The pcib driver will need to perform a device specific lookup to find the MSI controller and pass this to intrng as the xref. Intrng will finally find the controller and have it handle the requested operation. Obtained from: ABT Systems Ltd MFH: yes Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D5985
75 lines
2.0 KiB
Objective-C
75 lines
2.0 KiB
Objective-C
#-
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# Copyright (c) 2016 The FreeBSD Foundation
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# All rights reserved.
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#
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# This software was developed by Andrew Turner under
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# sponsorship from the FreeBSD Foundation.
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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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# $FreeBSD$
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#
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INTERFACE msi;
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HEADER {
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struct intr_irqsrc;
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};
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METHOD int alloc_msi {
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device_t dev;
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device_t child;
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int count;
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int maxcount;
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device_t *pic;
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struct intr_irqsrc **srcs;
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};
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METHOD int release_msi {
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device_t dev;
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device_t child;
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int count;
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struct intr_irqsrc **srcs;
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};
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METHOD int alloc_msix {
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device_t dev;
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device_t child;
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device_t *pic;
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struct intr_irqsrc **src;
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};
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METHOD int release_msix {
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device_t dev;
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device_t child;
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struct intr_irqsrc *src;
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};
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METHOD int map_msi {
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device_t dev;
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device_t child;
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struct intr_irqsrc *src;
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uint64_t *addr;
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uint32_t *data;
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};
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