fa59fc6eb4
Headers that will be shared between old includes and NetBSD-like includes are moved into common/include tree. They are still copied in /usr/include in 'make includes', so compilation and programs aren't be affected.
79 lines
3.0 KiB
C
79 lines
3.0 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_set_priv, (int procnr, void *buf));
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_PROTOTYPE( int vm_update, (endpoint_t src_e, endpoint_t dst_e));
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_PROTOTYPE( int vm_memctl, (endpoint_t ep, int req));
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_PROTOTYPE( int vm_query_exit, (int *endpt));
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_PROTOTYPE( int vm_forgetblock, (u64_t id));
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_PROTOTYPE( void vm_forgetblocks, (void));
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_PROTOTYPE( int vm_yield_block_get_block, (u64_t yieldid, u64_t getid,
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void *mem, 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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#define VMPTYPE_COWMAP 2
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#define VMPTYPE_SMAP 3
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#define VMPTYPE_SUNMAP 4
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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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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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