X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/2d21ac55c334faf3a56e5634905ed6987fc787d4..5ba3f43ea354af8ad55bea84372a2bc834d8757c:/bsd/sys/ubc.h?ds=sidebyside diff --git a/bsd/sys/ubc.h b/bsd/sys/ubc.h index d22dfcaab..0699b5b03 100644 --- a/bsd/sys/ubc.h +++ b/bsd/sys/ubc.h @@ -38,9 +38,13 @@ #include #include #include +#include +#ifdef KERNEL_PRIVATE +#include +#endif // KERNEL_PRIVATE -/* defns for ubc_sync_range() and ubc_msync */ +/* defns for ubc_msync() and ubc_msync */ #define UBC_PUSHDIRTY 0x01 /* clean any dirty pages in the specified range to the backing store */ #define UBC_PUSHALL 0x02 /* push both dirty and precious pages to the backing store */ @@ -54,25 +58,43 @@ daddr64_t ubc_offtoblk(struct vnode *, off_t); off_t ubc_getsize(struct vnode *); int ubc_setsize(struct vnode *, off_t); +#ifdef KERNEL_PRIVATE + +enum { + UBC_SETSIZE_NO_FS_REENTRY = 1 +}; +typedef uint32_t ubc_setsize_opts_t; + +errno_t ubc_setsize_ex(vnode_t vp, off_t nsize, ubc_setsize_opts_t opts); + +#endif // KERNEL_PRIVATE + kauth_cred_t ubc_getcred(struct vnode *); -#ifdef __APPLE_API_OBSOLETE -/* This API continues to exist only until is resolved */ -int ubc_setcred(struct vnode *, struct proc *) __deprecated; -#endif struct thread; int ubc_setthreadcred(struct vnode *, struct proc *, struct thread *); -int ubc_sync_range(vnode_t, off_t, off_t, int); errno_t ubc_msync(vnode_t, off_t, off_t, off_t *, int); int ubc_pages_resident(vnode_t); +int ubc_page_op(vnode_t, off_t, int, ppnum_t *, int *); +int ubc_range_op(vnode_t, off_t, off_t, int, int *); +#ifdef KERNEL_PRIVATE +/* This API continues to exist only until is resolved */ +int ubc_setcred(struct vnode *, struct proc *) __deprecated; /* code signing */ struct cs_blob; -int ubc_cs_blob_add(vnode_t, cpu_type_t, off_t, vm_address_t, vm_size_t); struct cs_blob *ubc_cs_blob_get(vnode_t, cpu_type_t, off_t); -struct cs_blob *ubc_get_cs_blobs(vnode_t); -int ubc_cs_getcdhash(vnode_t, off_t, unsigned char *); +/* apis to handle generation count for cs blob */ +void cs_blob_reset_cache(void); +int ubc_cs_blob_revalidate(vnode_t, struct cs_blob *, struct image_params *, int); +int ubc_cs_generation_check(vnode_t); + +int cs_entitlements_blob_get(proc_t, void **, size_t *); +int cs_blob_get(proc_t, void **, size_t *); +const char *cs_identity_get(proc_t); + +#endif /* cluster IO routines */ int advisory_read(vnode_t, off_t, off_t, int); @@ -84,36 +106,61 @@ int cluster_read_ext(vnode_t, struct uio *, off_t, int, int (*)(buf_t, void *), int cluster_write(vnode_t, struct uio *, off_t, off_t, off_t, off_t, int); int cluster_write_ext(vnode_t, struct uio *, off_t, off_t, off_t, off_t, int, int (*)(buf_t, void *), void *); -int cluster_pageout(vnode_t, upl_t, vm_offset_t, off_t, int, off_t, int); -int cluster_pageout_ext(vnode_t, upl_t, vm_offset_t, off_t, int, off_t, int, int (*)(buf_t, void *), void *); +int cluster_pageout(vnode_t, upl_t, upl_offset_t, off_t, int, off_t, int); +int cluster_pageout_ext(vnode_t, upl_t, upl_offset_t, off_t, int, off_t, int, int (*)(buf_t, void *), void *); -int cluster_pagein(vnode_t, upl_t, vm_offset_t, off_t, int, off_t, int); -int cluster_pagein_ext(vnode_t, upl_t, vm_offset_t, off_t, int, off_t, int, int (*)(buf_t, void *), void *); +int cluster_pagein(vnode_t, upl_t, upl_offset_t, off_t, int, off_t, int); +int cluster_pagein_ext(vnode_t, upl_t, upl_offset_t, off_t, int, off_t, int, int (*)(buf_t, void *), void *); int cluster_push(vnode_t, int); int cluster_push_ext(vnode_t, int, int (*)(buf_t, void *), void *); +int cluster_push_err(vnode_t, int, int (*)(buf_t, void *), void *, int *); int cluster_bp(buf_t); int cluster_bp_ext(buf_t, int (*)(buf_t, void *), void *); -void cluster_zero(upl_t, vm_offset_t, int, buf_t); +void cluster_zero(upl_t, upl_offset_t, int, buf_t); int cluster_copy_upl_data(uio_t, upl_t, int, int *); int cluster_copy_ubc_data(vnode_t, uio_t, int *, int); +typedef struct cl_direct_read_lock cl_direct_read_lock_t; +cl_direct_read_lock_t *cluster_lock_direct_read(vnode_t vp, lck_rw_type_t exclusive); +void cluster_unlock_direct_read(cl_direct_read_lock_t *lck); /* UPL routines */ -int ubc_create_upl(vnode_t, off_t, long, upl_t *, upl_page_info_t **, int); -int ubc_upl_map(upl_t, upl_offset_t *); +#ifndef XNU_KERNEL_PRIVATE +int ubc_create_upl(vnode_t, off_t, int, upl_t *, upl_page_info_t **, int); +#endif /* XNU_KERNEL_PRIVATE */ +int ubc_upl_map(upl_t, vm_offset_t *); int ubc_upl_unmap(upl_t); int ubc_upl_commit(upl_t); int ubc_upl_commit_range(upl_t, upl_offset_t, upl_size_t, int); int ubc_upl_abort(upl_t, int); int ubc_upl_abort_range(upl_t, upl_offset_t, upl_size_t, int); +void ubc_upl_range_needed(upl_t, int, int); upl_page_info_t *ubc_upl_pageinfo(upl_t); upl_size_t ubc_upl_maxbufsize(void); +int is_file_clean(vnode_t, off_t); + +errno_t mach_to_bsd_errno(kern_return_t mach_err); + +#ifdef KERNEL_PRIVATE + +int ubc_create_upl_external(vnode_t, off_t, int, upl_t *, upl_page_info_t **, int); +#ifdef XNU_KERNEL_PRIVATE +int ubc_create_upl_kernel(vnode_t, off_t, int, upl_t *, upl_page_info_t **, int, vm_tag_t); +#endif /* XNU_KERNEL_PRIVATE */ + +__attribute__((pure)) boolean_t ubc_is_mapped(const struct vnode *, boolean_t *writable); +__attribute__((pure)) boolean_t ubc_is_mapped_writable(const struct vnode *); + +uint32_t cluster_max_io_size(mount_t, int); + +#endif + __END_DECLS #endif /* _SYS_UBC_H_ */