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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef _IMD_PRIVATE_H_
#define _IMD_PRIVATE_H_
#include <cbmem.h>
#include <commonlib/bsd/helpers.h>
/* In-memory data structures. */
struct imd_root_pointer {
uint32_t magic;
/* Relative to upper limit/offset. */
int32_t root_offset;
} __packed;
struct imd_entry {
uint32_t magic;
/* start is located relative to imd_root */
int32_t start_offset;
uint32_t size;
uint32_t id;
} __packed;
struct imd_root {
uint32_t max_entries;
uint32_t num_entries;
uint32_t flags;
uint32_t entry_align;
/* Used for fixing the size of an imd. Relative to the root. */
int32_t max_offset;
struct imd_entry entries[0];
} __packed;
#define IMD_ROOT_PTR_MAGIC 0xc0389481
#define IMD_ENTRY_MAGIC (~0xc0389481)
#define SMALL_REGION_ID CBMEM_ID_IMD_SMALL
#define LIMIT_ALIGN 4096
#define IMD_FLAG_LOCKED 1
#endif /* _IMD_PRIVATE_H */
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