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.
27 lines
586 B
C
27 lines
586 B
C
#ifndef UTSM_CAPABILITY_H
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#define UTSM_CAPABILITY_H
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#include <utsm/types.h>
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#include <utsm/status.h>
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#define UTSM_RIGHT_READ (1U << 0)
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#define UTSM_RIGHT_WRITE (1U << 1)
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#define UTSM_RIGHT_EXEC (1U << 2)
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#define UTSM_RIGHT_SHARE (1U << 3)
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#define UTSM_RIGHT_DMA (1U << 4)
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struct utsm_segment_desc;
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typedef struct {
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u32 segment_slot;
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u32 generation;
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u32 rights;
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u32 epoch;
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u64 uuid_digest;
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u64 auth_tag;
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} utsm_capability;
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int utsm_cap_validate(utsm_capability cap, u32 required_rights, u64 offset, u64 len, struct utsm_segment_desc **out_desc);
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#endif
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