f32f0095e9
o Add iommu_unmap_msi() to release the msi GAS entry. o Provide default implementations for iommu init/deinit methods. Reviewed by: kib Sponsored by: Innovate DSbD Differential Revision: https://reviews.freebsd.org/D26906
104 lines
2.5 KiB
Objective-C
104 lines
2.5 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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#include <machine/bus.h>
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#include <dev/iommu/iommu_msi.h>
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struct intr_irqsrc;
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};
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#
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# Default implementations of some methods.
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#
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CODE {
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static int
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iommu_init(device_t dev, device_t child, struct iommu_domain **domain)
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{
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*domain = NULL;
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return (0);
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}
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static void
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iommu_deinit(device_t dev, device_t child)
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{
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}
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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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METHOD int iommu_init {
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device_t dev;
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device_t child;
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struct iommu_domain **domain;
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} DEFAULT iommu_init;
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METHOD void iommu_deinit {
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device_t dev;
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device_t child;
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} DEFAULT iommu_deinit;
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