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21 lines
1.0 KiB
C
21 lines
1.0 KiB
C
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#ifndef VMSIG_MEMCTX_CFG_H
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#define VMSIG_MEMCTX_CFG_H
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#include <stdint.h>
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/* Private config of the memctx adapter (vmie). Passed as opaque to open(); NOT
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* public (layout per reference: src/<module>/include/). cfg==NULL => stub. */
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typedef struct {
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int stub; /* 1 => synthetic kcr3/RO-fd (spine without a VM) */
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const char* ram_path; /* armed: path to guest RAM backing (NOT published outward) */
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uint64_t low; /* below-4G split (vmie_win32_open / locator.low) */
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int ro_fd; /* >=0 => infra supplied a pre-sealed RO-fd (policy); */
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/* <0 => default: open(ram_path, O_RDONLY) / stub-memfd */
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} vmsig_memctx_cfg;
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/* Max SRC bytes per atomic gva_write (bounds the worker POD slot; mc_req header + src
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* must stay <= VMSIG_WORK_SLOT). Private to the adapter (an executor bound), NOT part of
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* the neutral control contract — control only needs VMSIG_MEMWRITE_INLINE for inline SRC. */
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#define VMSIG_MEMWRITE_MAX 192u
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#endif /* VMSIG_MEMCTX_CFG_H */
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