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author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-10-07 15:10:20 +0200 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-01-10 09:53:31 +0100 |
commit | c40e45b75eb76d79a05c7fa85c1fa9b5c728a12f (patch) | |
tree | ad4f2519067709f00ab98b3c591186c26dc3a21f /freebsd/sys/vm/vm_extern.h | |
parent | userspace-header-gen.py: Simplify program ports (diff) | |
download | rtems-libbsd-c40e45b75eb76d79a05c7fa85c1fa9b5c728a12f.tar.bz2 |
Update to FreeBSD head 2016-08-23
Git mirror commit 9fe7c416e6abb28b1398fd3e5687099846800cfd.
Diffstat (limited to 'freebsd/sys/vm/vm_extern.h')
-rw-r--r-- | freebsd/sys/vm/vm_extern.h | 59 |
1 files changed, 43 insertions, 16 deletions
diff --git a/freebsd/sys/vm/vm_extern.h b/freebsd/sys/vm/vm_extern.h index 3b5be268..dcb2f3a6 100644 --- a/freebsd/sys/vm/vm_extern.h +++ b/freebsd/sys/vm/vm_extern.h @@ -33,30 +33,46 @@ #ifndef _VM_EXTERN_H_ #define _VM_EXTERN_H_ +struct pmap; struct proc; struct vmspace; struct vnode; +struct vmem; #ifdef _KERNEL +struct cdev; +struct cdevsw; -int kernacc(void *, int, int); -vm_offset_t kmem_alloc(vm_map_t, vm_size_t); -vm_offset_t kmem_alloc_attr(vm_map_t map, vm_size_t size, int flags, +/* These operate on kernel virtual addresses only. */ +vm_offset_t kva_alloc(vm_size_t); +void kva_free(vm_offset_t, vm_size_t); + +/* These operate on pageable virtual addresses. */ +vm_offset_t kmap_alloc_wait(vm_map_t, vm_size_t); +void kmap_free_wakeup(vm_map_t, vm_offset_t, vm_size_t); + +/* These operate on virtual addresses backed by memory. */ +vm_offset_t kmem_alloc_attr(struct vmem *, vm_size_t size, int flags, vm_paddr_t low, vm_paddr_t high, vm_memattr_t memattr); -vm_offset_t kmem_alloc_contig(vm_map_t map, vm_size_t size, int flags, - vm_paddr_t low, vm_paddr_t high, u_long alignment, u_long boundary, +vm_offset_t kmem_alloc_contig(struct vmem *, vm_size_t size, int flags, + vm_paddr_t low, vm_paddr_t high, u_long alignment, vm_paddr_t boundary, vm_memattr_t memattr); -vm_offset_t kmem_alloc_nofault(vm_map_t, vm_size_t); -vm_offset_t kmem_alloc_nofault_space(vm_map_t, vm_size_t, int); -vm_offset_t kmem_alloc_wait(vm_map_t, vm_size_t); -void kmem_free(vm_map_t, vm_offset_t, vm_size_t); -void kmem_free_wakeup(vm_map_t, vm_offset_t, vm_size_t); -void kmem_init(vm_offset_t, vm_offset_t); -vm_offset_t kmem_malloc(vm_map_t map, vm_size_t size, int flags); -int kmem_back(vm_map_t, vm_offset_t, vm_size_t, int); +vm_offset_t kmem_malloc(struct vmem *, vm_size_t size, int flags); +void kmem_free(struct vmem *, vm_offset_t, vm_size_t); + +/* This provides memory for previously allocated address space. */ +int kmem_back(vm_object_t, vm_offset_t, vm_size_t, int); +void kmem_unback(vm_object_t, vm_offset_t, vm_size_t); + +/* Bootstrapping. */ vm_map_t kmem_suballoc(vm_map_t, vm_offset_t *, vm_offset_t *, vm_size_t, boolean_t); +void kmem_init(vm_offset_t, vm_offset_t); +void kmem_init_zero_region(void); +void kmeminit(void); + void swapout_procs(int); +int kernacc(void *, int, int); int useracc(void *, int, int); int vm_fault(vm_map_t, vm_offset_t, vm_prot_t, int); void vm_fault_copy_entry(vm_map_t, vm_map_t, vm_map_entry_t, vm_map_entry_t, @@ -71,13 +87,22 @@ int vm_fault_quick_hold_pages(vm_map_t map, vm_offset_t addr, vm_size_t len, #endif /* __rtems__ */ void vm_fault_unwire(vm_map_t, vm_offset_t, vm_offset_t, boolean_t); int vm_fault_wire(vm_map_t, vm_offset_t, vm_offset_t, boolean_t); -int vm_forkproc(struct thread *, struct proc *, struct thread *, struct vmspace *, int); +int vm_forkproc(struct thread *, struct proc *, struct thread *, + struct vmspace *, int); void vm_waitproc(struct proc *); -int vm_mmap(vm_map_t, vm_offset_t *, vm_size_t, vm_prot_t, vm_prot_t, int, objtype_t, void *, vm_ooffset_t); +int vm_mmap(vm_map_t, vm_offset_t *, vm_size_t, vm_prot_t, vm_prot_t, int, + objtype_t, void *, vm_ooffset_t); +int vm_mmap_object(vm_map_t, vm_offset_t *, vm_size_t, vm_prot_t, + vm_prot_t, int, vm_object_t, vm_ooffset_t, boolean_t, struct thread *); int vm_mmap_to_errno(int rv); +int vm_mmap_cdev(struct thread *, vm_size_t, vm_prot_t, vm_prot_t *, + int *, struct cdev *, struct cdevsw *, vm_ooffset_t *, vm_object_t *); +int vm_mmap_vnode(struct thread *, vm_size_t, vm_prot_t, vm_prot_t *, int *, + struct vnode *, vm_ooffset_t *, vm_object_t *, boolean_t *); void vm_set_page_size(void); void vm_sync_icache(vm_map_t, vm_offset_t, vm_size_t); -struct vmspace *vmspace_alloc(vm_offset_t, vm_offset_t); +typedef int (*pmap_pinit_t)(struct pmap *pmap); +struct vmspace *vmspace_alloc(vm_offset_t, vm_offset_t, pmap_pinit_t); struct vmspace *vmspace_fork(struct vmspace *, vm_ooffset_t *); int vmspace_exec(struct proc *, vm_offset_t, vm_offset_t); int vmspace_unshare(struct proc *); @@ -85,6 +110,7 @@ void vmspace_exit(struct thread *); struct vmspace *vmspace_acquire_ref(struct proc *); void vmspace_free(struct vmspace *); void vmspace_exitfree(struct proc *); +void vmspace_switch_aio(struct vmspace *); void vnode_pager_setsize(struct vnode *, vm_ooffset_t); #ifndef __rtems__ int vslock(void *, size_t); @@ -110,5 +136,6 @@ struct sf_buf *vm_imgact_map_page(vm_object_t object, vm_ooffset_t offset); void vm_imgact_unmap_page(struct sf_buf *sf); void vm_thread_dispose(struct thread *td); int vm_thread_new(struct thread *td, int pages); +int vm_mlock(struct proc *, struct ucred *, const void *, size_t); #endif /* _KERNEL */ #endif /* !_VM_EXTERN_H_ */ |