70 lines
2.3 KiB
C
70 lines
2.3 KiB
C
/* Prototypes and definitions for VM interface. */
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#ifndef _MINIX_VM_H
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#define _MINIX_VM_H
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#include <sys/types.h>
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#include <minix/endpoint.h>
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int vm_exit(endpoint_t ep);
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int vm_fork(endpoint_t ep, int slotno, endpoint_t *child_ep);
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int vm_brk(endpoint_t ep, char *newaddr);
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int vm_willexit(endpoint_t ep);
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int vm_adddma(endpoint_t proc_e, phys_bytes start, phys_bytes size);
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int vm_deldma(endpoint_t proc_e, phys_bytes start, phys_bytes size);
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int vm_getdma(endpoint_t *procp, phys_bytes *basep, phys_bytes *sizep);
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void *vm_map_phys(endpoint_t who, void *physaddr, size_t len);
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int vm_unmap_phys(endpoint_t who, void *vaddr, size_t len);
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int vm_notify_sig(endpoint_t ep, endpoint_t ipc_ep);
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int vm_set_priv(int procnr, void *buf);
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int vm_update(endpoint_t src_e, endpoint_t dst_e);
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int vm_memctl(endpoint_t ep, int req);
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int vm_query_exit(endpoint_t *endpt);
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int vm_watch_exit(endpoint_t ep);
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int vm_forgetblock(u64_t id);
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void vm_forgetblocks(void);
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int vm_yield_block_get_block(u64_t yieldid, u64_t getid, void *mem,
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vir_bytes len);
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/* Invalid ID with special meaning for the vm_yield_block_get_block
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* interface.
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*/
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#define VM_BLOCKID_NONE make64(ULONG_MAX, ULONG_MAX)
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/* VM kernel request types. */
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#define VMPTYPE_NONE 0
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#define VMPTYPE_CHECK 1
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struct vm_stats_info {
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unsigned int vsi_pagesize; /* page size */
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unsigned long vsi_total; /* total number of memory pages */
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unsigned long vsi_free; /* number of free pages */
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unsigned long vsi_largest; /* largest number of consecutive free pages */
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unsigned long vsi_cached; /* number of pages cached for file systems */
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};
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struct vm_usage_info {
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vir_bytes vui_total; /* total amount of process memory */
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vir_bytes vui_common; /* part of memory mapped in more than once */
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vir_bytes vui_shared; /* shared (non-COW) part of common memory */
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};
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struct vm_region_info {
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vir_bytes vri_addr; /* base address of region */
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vir_bytes vri_length; /* length of region */
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int vri_prot; /* protection flags (PROT_) */
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int vri_flags; /* memory flags (subset of MAP_) */
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};
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#define MAX_VRI_COUNT 64 /* max. number of regions provided at once */
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int vm_info_stats(struct vm_stats_info *vfi);
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int vm_info_usage(endpoint_t who, struct vm_usage_info *vui);
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int vm_info_region(endpoint_t who, struct vm_region_info *vri, int
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count, vir_bytes *next);
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int vm_procctl(endpoint_t ep, int param);
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#endif /* _MINIX_VM_H */
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