61 lines
2.4 KiB
C
61 lines
2.4 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 <minix/types.h>
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#include <minix/endpoint.h>
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_PROTOTYPE( int vm_exit, (endpoint_t ep));
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_PROTOTYPE( int vm_fork, (endpoint_t ep, int slotno, endpoint_t *child_ep));
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_PROTOTYPE( int vm_brk, (endpoint_t ep, char *newaddr));
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_PROTOTYPE( int vm_exec_newmem, (endpoint_t ep, struct exec_newmem *args,
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int args_bytes, char **ret_stack_top, int *ret_flags));
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_PROTOTYPE( int vm_push_sig, (endpoint_t ep, vir_bytes *old_sp));
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_PROTOTYPE( int vm_willexit, (endpoint_t ep));
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_PROTOTYPE( int vm_adddma, (endpoint_t req_e, endpoint_t proc_e,
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phys_bytes start, phys_bytes size) );
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_PROTOTYPE( int vm_deldma, (endpoint_t req_e, endpoint_t proc_e,
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phys_bytes start, phys_bytes size) );
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_PROTOTYPE( int vm_getdma, (endpoint_t req_e, endpoint_t *procp,
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phys_bytes *basep, phys_bytes *sizep) );
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_PROTOTYPE( void *vm_map_phys, (endpoint_t who, void *physaddr, size_t len));
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_PROTOTYPE( int vm_unmap_phys, (endpoint_t who, void *vaddr, size_t len));
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_PROTOTYPE( int vm_notify_sig, (endpoint_t ep, endpoint_t ipc_ep));
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_PROTOTYPE( int vm_ctl, (int what, int param));
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_PROTOTYPE( int vm_set_priv, (int procnr, void *buf));
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_PROTOTYPE( int vm_query_exit, (int *endpt));
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struct vm_stats_info {
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int vsi_pagesize; /* page size */
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int vsi_total; /* total number of memory pages */
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int vsi_free; /* number of free pages */
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int vsi_largest; /* largest number of consecutive free pages */
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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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int vri_seg; /* segment of virtual region (T or D) */
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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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_PROTOTYPE( int vm_info_stats, (struct vm_stats_info *vfi) );
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_PROTOTYPE( int vm_info_usage, (endpoint_t who,
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struct vm_usage_info *vui) );
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_PROTOTYPE( int vm_info_region, (endpoint_t who,
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struct vm_region_info *vri, int count, vir_bytes *next) );
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#endif /* _MINIX_VM_H */
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