/* $NetBSD: md.h,v 1.11 2009/12/14 03:11:22 uebayasi Exp $ */ /* * Copyright (c) 1995 Gordon W. Ross * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef _SYS_DEV_MD_H_ #define _SYS_DEV_MD_H_ /* * Memory-disk ioctl functions: */ #include struct md_conf { void *md_addr; size_t md_size; int md_type; }; #define MD_GETCONF _IOR('r', 0, struct md_conf) /* get unit config */ #define MD_SETCONF _IOW('r', 1, struct md_conf) /* set unit config */ /* * There are three configurations supported for each unit, * reflected in the value of the md_type field: */ #define MD_UNCONFIGURED 0 /* * Not yet configured. Open returns ENXIO. */ #define MD_KMEM_FIXED 1 /* * Disk image resident in kernel (patched in or loaded). * Requires that the function: md_set_kmem() is called to * attach the (initialized) kernel memory to be used by the * device. It can be initialized by an "open hook" if this * driver is compiled with the MD_OPEN_HOOK option. * No attempt will ever be made to free this memory. */ #define MD_KMEM_ALLOCATED 2 /* * Small, wired-down chunk of kernel memory obtained from * kmem_alloc(). The allocation is performed by an ioctl * call on the raw partition. */ #define MD_UMEM_SERVER 3 /* * Indirect access to user-space of a user-level server. * (Like the MFS hack, but better! 8^) Device operates * only while the server has the raw partition open and * continues to service I/O requests. The process that * does this setconf will become the I/O server. This * configuration type can be disabled using: * options MEMORY_DISK_SERVER=0 */ #ifdef _KERNEL /* * If the option MEMORY_DISK_HOOKS is on, then these functions are * called by the ramdisk driver to allow machine-dependent to * match/configure and/or load each ramdisk unit. */ extern void md_attach_hook(int, struct md_conf *); extern void md_open_hook(int, struct md_conf *); extern void md_root_setconf(char *, size_t); extern int md_is_root; #endif /* _KERNEL */ #endif /* _SYS_DEV_MD_H_ */ td> 2019-01-27Merge the [pgoyette-compat] branchpgoyette 2016-05-06Include non-portable <sys/idtype.h> inside RUMP_CLIENT protection.pooka 2016-04-03rump needs <sys/idtype.h>christos 2015-12-01Rename "autoloadprefix" variable to "emulname" - suggested by christos@pgoyette 2015-11-30Make the list of syscalls which can trigger a module autoload anpgoyette 2015-08-24<sys/mount.h> is necessary only with !RUMP_CLIENT, so include it onlypooka 2015-05-09Add new configuration variable to point at the list of auto-loadablepgoyette 2015-03-07Adjust for systrace based on the FreeBSD code:christos 2014-08-16Add COMPAT_70 to conf/files; add compat_70 to kern/syscalls.confapb 2014-04-27Eliminate weak symbols from rump kernel syscall handlers, part 2:pooka 2012-08-03Forgot this one from previous commit. It too is needed for syscallargs.hpooka 2012-02-19Add compat_60matt 2011-06-26* Arrange for interfaces that create new file descriptors to be able tochristos 2011-01-18Make syscallargs.h include <sys/sched.h> for cpuset_t typedef forpooka 2010-03-02Make is possible to add extra output at the top of syscallargs.h.pooka 2008-11-17Use rump/include/rump as the rump_syscalls.h directory.pooka 2008-03-22bring some stuff from time_t=64...christos 2008-03-11Add locations for rump_syscalls.[hc] filespooka 2007-07-14Version mount(2) so that the length of the 'data' buffer is passed intodsl 2005-12-11merge ktrace-lwp.christos 2005-08-1964 bit inode changes.christos 2004-04-21Replace the statfs() family of system calls with statvfs().christos 2003-09-10we don't need sigreturn and sigcode glue if we are not compat_16 anymore.christos