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// SPDX-License-Identifier: BSD-3-Clause
/* Copyright 2020, Intel Corporation */
/*
* deep_flush.c -- pmem2_deep_flush implementation
*/
#include <stdlib.h>
#include "libpmem2.h"
#include "deep_flush.h"
#include "out.h"
#include "pmem2_utils.h"
/*
* pmem2_deep_flush -- performs deep flush operation
*/
int
pmem2_deep_flush(struct pmem2_map *map, void *ptr, size_t size)
{
LOG(3, "map %p ptr %p size %zu", map, ptr, size);
PMEM2_ERR_CLR();
uintptr_t map_addr = (uintptr_t)map->addr;
uintptr_t map_end = map_addr + map->content_length;
uintptr_t flush_addr = (uintptr_t)ptr;
uintptr_t flush_end = flush_addr + size;
if (flush_addr < map_addr || flush_end > map_end) {
ERR("requested deep flush rage ptr %p size %zu"
"exceeds map range %p", ptr, size, map);
return PMEM2_E_DEEP_FLUSH_RANGE;
}
int ret = map->deep_flush_fn(map, ptr, size);
if (ret) {
LOG(1, "cannot perform deep flush operation for map %p", map);
return ret;
}
return 0;
}
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