5551449bb8
Parameter @id is no longer used, drop. Return a bool to indicate success / failure, as recommended by qapi/error.h. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-ID: <20241010150144.986655-4-armbru@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
/*
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* Block utility functions
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*
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* Copyright IBM, Corp. 2011
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* Copyright (c) 2020 Coiby Xu <coiby.xu@gmail.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#include "qemu/osdep.h"
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#include "qapi/error.h"
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#include "block-helpers.h"
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/**
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* check_block_size:
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* @name: The name of the property being validated
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* @value: The block size in bytes
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* @errp: A pointer to an area to store an error
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*
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* This function checks that the block size meets the following conditions:
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* 1. At least MIN_BLOCK_SIZE
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* 2. No larger than MAX_BLOCK_SIZE
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* 3. A power of 2
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*
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* Returns: true on success, false on failure
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*/
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bool check_block_size(const char *name, int64_t value, Error **errp)
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{
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if (!value) {
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/* unset */
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return true;
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}
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if (value < MIN_BLOCK_SIZE || value > MAX_BLOCK_SIZE
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|| (value & (value - 1))) {
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error_setg(errp,
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"parameter %s must be a power of 2 between %" PRId64
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" and %" PRId64,
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name, MIN_BLOCK_SIZE, MAX_BLOCK_SIZE);
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return false;
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}
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return true;
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}
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