5937835ac4
Move the constants from hw/core/qdev-properties.c to util/block-helpers.h so that knowledge of the min/max values is Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Coiby Xu <coiby.xu@gmail.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Acked-by: Eduardo Habkost <ehabkost@redhat.com> Message-id: 20200918080912.321299-5-coiby.xu@gmail.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
20 lines
535 B
C
20 lines
535 B
C
#ifndef BLOCK_HELPERS_H
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#define BLOCK_HELPERS_H
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#include "qemu/units.h"
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/* lower limit is sector size */
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#define MIN_BLOCK_SIZE INT64_C(512)
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#define MIN_BLOCK_SIZE_STR "512 B"
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/*
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* upper limit is arbitrary, 2 MiB looks sufficient for all sensible uses, and
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* matches qcow2 cluster size limit
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*/
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#define MAX_BLOCK_SIZE (2 * MiB)
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#define MAX_BLOCK_SIZE_STR "2 MiB"
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void check_block_size(const char *id, const char *name, int64_t value,
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Error **errp);
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#endif /* BLOCK_HELPERS_H */
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