xyou
f1a2a110d7
Add the current OS source tree, build scripts, system image layout, and development notes covering DMA page allocation, e1000 bring-up, net API dispatch, and DHCP work in progress.
51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
#ifndef UTSM_SEGMENT_H
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#define UTSM_SEGMENT_H
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#include <utsm/types.h>
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#include <utsm/uuid.h>
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#include <utsm/status.h>
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#include <utsm/capability.h>
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#include <utsm/dirty.h>
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typedef enum {
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UTSM_SEG_FREE = 0,
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UTSM_SEG_ACTIVE,
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UTSM_SEG_CHECKPOINTING,
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UTSM_SEG_SEALED,
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UTSM_SEG_RECOVERING,
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UTSM_SEG_POISONED,
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UTSM_SEG_DESTROYED
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} utsm_segment_state;
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#define UTSM_SEG_F_READ (1U << 0)
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#define UTSM_SEG_F_WRITE (1U << 1)
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#define UTSM_SEG_F_EXEC (1U << 2)
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#define UTSM_SEG_F_DMA (1U << 3)
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#define UTSM_SEG_F_STRONG_RECOVERY (1U << 4)
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typedef struct utsm_segment_desc {
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uuid128_t segment_uuid;
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uuid128_t owner_process_uuid;
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u8 *cipher_base;
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u64 cipher_length;
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void *dmp_base;
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u64 key_epoch;
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u64 tweak_seed;
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utsm_dirty_shard *dirty_shards;
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u32 dirty_shard_count;
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void *mac_table;
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u32 generation;
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u32 flags;
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u32 state;
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u32 last_cpu;
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volatile u64 writer_seq;
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u64 checkpoint_generation;
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} utsm_segment_desc;
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struct utsm_process_context;
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int utsm_create_segment(struct utsm_process_context *process, u64 size, u32 flags, utsm_capability *out_cap);
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utsm_segment_desc *utsm_get_segment(u32 slot);
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#endif
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