2eb32a4369
Ran everything through scripts/codestyle.space, which uses astyle to generally follow K&R style. Biggest non whitespace change is pulling brackets down on function declarations, which I'm pretty ambivalent about, but astyle insists on taking a stance
66 lines
2.3 KiB
C
66 lines
2.3 KiB
C
/*
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* Copyright (c) 2014 Travis Geiselbrecht
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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#include <compiler.h>
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#include <stdint.h>
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struct virtio_mmio_config {
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/* 0x00 */ uint32_t magic;
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uint32_t version;
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uint32_t device_id;
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uint32_t vendor_id;
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/* 0x10 */ uint32_t host_features;
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uint32_t host_features_sel;
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uint32_t __reserved0[2];
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/* 0x20 */ uint32_t guest_features;
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uint32_t guest_features_sel;
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uint32_t guest_page_size;
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uint32_t __reserved1[1];
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/* 0x30 */ uint32_t queue_sel;
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uint32_t queue_num_max;
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uint32_t queue_num;
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uint32_t queue_align;
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/* 0x40 */ uint32_t queue_pfn;
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uint32_t __reserved2[3];
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/* 0x50 */ uint32_t queue_notify;
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uint32_t __reserved3[3];
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/* 0x60 */ uint32_t interrupt_status;
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uint32_t interrupt_ack;
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uint32_t __reserved4[2];
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/* 0x70 */ uint32_t status;
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uint8_t __reserved5[0x8c];
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/* 0x100 */ uint32_t config[0];
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};
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STATIC_ASSERT(sizeof(struct virtio_mmio_config) == 0x100);
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#define VIRTIO_MMIO_MAGIC 0x74726976 // 'virt'
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#define VIRTIO_STATUS_ACKNOWLEDGE (1<<0)
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#define VIRTIO_STATUS_DRIVER (1<<1)
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#define VIRTIO_STATUS_DRIVER_OK (1<<2)
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#define VIRTIO_STATUS_FEATURES_OK (1<<3)
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#define VIRTIO_STATUS_DEVICE_NEEDS_RESET (1<<6)
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#define VIRTIO_STATUS_FAILED (1<<7)
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