ca14781c81
Some guest allow to configure themself by fw_cfg. E.g. Fedora CoreOs can be provisioned by adding a JSON file as fw_cfg item. Reviewed by: jhb MFC after: 1 week Sponsored by: Beckhoff Automation GmbH & Co. KG Differential Revision: https://reviews.freebsd.org/D38338
27 lines
605 B
C
27 lines
605 B
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2021 Beckhoff Automation GmbH & Co. KG
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* Author: Corvin Köhne <c.koehne@beckhoff.com>
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*/
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#pragma once
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#include <vmmapi.h>
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#define QEMU_FWCFG_MAX_ARCHS 0x2
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#define QEMU_FWCFG_MAX_ENTRIES 0x4000
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#define QEMU_FWCFG_MAX_NAME 56
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#define QEMU_FWCFG_FILE_TABLE_LOADER "etc/table-loader"
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struct qemu_fwcfg_item {
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uint32_t size;
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uint8_t *data;
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};
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int qemu_fwcfg_add_file(const char *name,
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const uint32_t size, void *const data);
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int qemu_fwcfg_init(struct vmctx *const ctx);
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int qemu_fwcfg_parse_cmdline_arg(const char *opt);
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