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35 lines
1.3 KiB
C
35 lines
1.3 KiB
C
#ifndef SM_IMAGE_CACHE_H
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#define SM_IMAGE_CACHE_H
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#include <stdbool.h>
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#include "sm_types.h"
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typedef struct {
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char path[MAX_PATH];
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char mount_point[MAX_PATH];
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int unit_id;
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attach_backend_t backend;
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} image_cache_entry_t;
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// Cache a successful image mount and its attached device.
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// Returns false when no free cache slot is available.
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bool cache_image_mount(const char *path, const char *mount_point,
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int unit_id, attach_backend_t backend);
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// Cache an image source mapping without attach metadata.
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bool cache_image_source_mapping(const char *path, const char *mount_point);
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// Return a cached image mount entry by index.
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bool get_image_cache_entry(int index, image_cache_entry_t *entry_out);
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// Mark a cached image mount entry as invalid.
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void invalidate_image_cache_entry(int index);
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// Resolve a device mapping from the in-memory mount cache.
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bool resolve_device_from_mount_cache(const char *mount_point,
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attach_backend_t *backend_out,
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int *unit_out);
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// Resolve the original image file path for a cached runtime mount point.
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bool resolve_image_source_from_mount_cache(const char *mount_point,
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char *path_out,
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size_t path_out_size);
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#endif
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