80 lines
2.9 KiB
C
80 lines
2.9 KiB
C
/*
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* Copyright (c) 2020 Nutanix Inc. All rights reserved.
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*
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* Authors: Thanos Makatos <thanos@nutanix.com>
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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 are met:
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* * 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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* * 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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* * Neither the name of Nutanix nor the names of its contributors may be
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* used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND 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 <COPYRIGHT HOLDER> BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* 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 SUCH
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* DAMAGE.
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*
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*/
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// FIXME: license header (and SPDX ?) everywhere
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#ifndef LIB_VFIO_USER_MIGRATION_H
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#define LIB_VFIO_USER_MIGRATION_H
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/*
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* These are not public routines, but for convenience, they are used by the
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* sample/test code as well as privately within libvfio-user.
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*/
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#include <stddef.h>
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#include "libvfio-user.h"
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#include "private.h"
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struct migration *
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init_migration(const vfu_migration_callbacks_t *callbacks,
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uint64_t data_offset, int *err);
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ssize_t
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migration_region_access(vfu_ctx_t *vfu_ctx, char *buf, size_t count,
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loff_t pos, bool is_write);
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bool
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migration_available(vfu_ctx_t *vfu_ctx);
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MOCK_DECLARE(bool, device_is_stopped, struct migration *migr);
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MOCK_DECLARE(bool, device_is_stopped_and_copying, struct migration *migration);
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size_t
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migration_get_pgsize(struct migration *migr);
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int
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migration_set_pgsize(struct migration *migr, size_t pgsize);
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MOCK_DECLARE(bool, vfio_migr_state_transition_is_valid, uint32_t from,
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uint32_t to);
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MOCK_DECLARE(ssize_t, handle_device_state, vfu_ctx_t *vfu_ctx,
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struct migration *migr, uint32_t device_state, bool notify);
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bool
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access_migration_needs_quiesce(const vfu_ctx_t *vfu_ctx, size_t region_index,
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uint64_t offset);
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#endif /* LIB_VFIO_USER_MIGRATION_H */
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/* ex: set tabstop=4 shiftwidth=4 softtabstop=4 expandtab: */
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