X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fvserver-internal.h;fp=lib%2Fvserver-internal.h;h=0000000000000000000000000000000000000000;hb=db5ef3f969fc6ad34aeb5903e44d0049b2e50791;hp=eb0504a097a51b3d1fb763968c0eab92dd155f55;hpb=95e2774070e989fe9cf9f48dae5fa054e55e2a3e;p=util-vserver.git diff --git a/lib/vserver-internal.h b/lib/vserver-internal.h deleted file mode 100644 index eb0504a..0000000 --- a/lib/vserver-internal.h +++ /dev/null @@ -1,284 +0,0 @@ -// $Id: vserver-internal.h 2589 2007-08-16 03:06:50Z dhozac $ --*- c++ -*-- - -// Copyright (C) 2003 Enrico Scholz -// -// This program is free software; you can redistribute it and/or modify -// it under the terms of the GNU General Public License as published by -// the Free Software Foundation; version 2 of the License. -// -// This program is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU General Public License for more details. -// -// You should have received a copy of the GNU General Public License -// along with this program; if not, write to the Free Software -// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - -#ifdef H_VSERVER_SYSCALL_INTERNAL_H -# error vserver-internal.h must not be included more than once -#endif - -#ifndef H_VSERVER_SYSCALL_INTERNAL_H -#define H_VSERVER_SYSCALL_INTERNAL_H - -#include -#include -#include -#include - -#include "internal.h" -#include "syscall-wrap.h" - -#if !defined(__NR_vserver) && defined(ENSC_SYSCALL__NR_vserver) -# define __NR_vserver ENSC_SYSCALL__NR_vserver -#endif - -inline static ALWAYSINLINE void vc_noop0() {} - -#define VC_PREFIX 0) -#define VC_SUFFIX else (void)(vc_noop0() -#define CALL_VC_NOOP vc_noop0() -#define CALL_VC_GENERAL(ID, SUFFIX, FUNC, ...) \ - VC_PREFIX; VC_SELECT(ID) return FUNC ## _ ## SUFFIX(__VA_ARGS__); VC_SUFFIX -#define CALL_VC_GENERAL_CONFIG(BIT, SUFFIX, FUNC, ...) \ - VC_PREFIX; VC_CBIT(BIT) return FUNC ## _ ## SUFFIX(__VA_ARGS__); VC_SUFFIX - -#ifdef VC_MULTIVERSION_SYSCALL -# define VC_SELECT(ID) if (ver>=(ID)) -# define VC_CBIT(BIT) if ((conf&BIT) == BIT) -# define CALL_VC(...) \ - do { \ - int ver = utilvserver_checkCompatVersion(); \ - vc_vci_t UNUSED conf = utilvserver_checkCompatConfig(); \ - if (ver==-1) return -1; \ - VC_SUFFIX, __VA_ARGS__, VC_PREFIX; \ - errno = ENOSYS; \ - return -1; \ - } while (0) -#else -# define VC_SELECT(ID) if (1) -# define VC_CBIT(BIT) if (1) -# define CALL_VC(...) \ - do { \ - if (1) {} VC_SUFFIX, __VA_ARGS__, VC_PREFIX; \ - errno = ENOSYS; return -1; \ - } while (0) -#endif - -#ifdef VC_ENABLE_API_COMPAT -# define CALL_VC_COMPAT(F,...) CALL_VC_GENERAL(0x00010000, compat, F, __VA_ARGS__) -#else -# define CALL_VC_COMPAT(F,...) CALL_VC_NOOP -#endif - -#ifdef VC_ENABLE_API_LEGACY -# define CALL_VC_LEGACY(F,...) CALL_VC_GENERAL(0x00000000, legacy, F, __VA_ARGS__) -#else -# define CALL_VC_LEGACY(F,...) CALL_VC_NOOP -#endif - -#ifdef VC_ENABLE_API_V11 -# define CALL_VC_V11(F,...) CALL_VC_GENERAL(0x00010000, v11, F, __VA_ARGS__) -#else -# define CALL_VC_V11(F,...) CALL_VC_NOOP -#endif - -#ifdef VC_ENABLE_API_V13 -# define CALL_VC_V13(F,...) CALL_VC_GENERAL(0x00010011, v13, F, __VA_ARGS__) -#else -# define CALL_VC_V13(F,...) CALL_VC_NOOP -#endif - -#ifdef VC_ENABLE_API_V13 -# define CALL_VC_V13A(F,...) CALL_VC_GENERAL(0x00010012, v13, F, __VA_ARGS__) -#else -# define CALL_VC_V13A(F,...) CALL_VC_NOOP -#endif - -#ifdef VC_ENABLE_API_V13 -# define CALL_VC_V13B(F,...) CALL_VC_GENERAL(0x00010021, v13b, F, __VA_ARGS__) -#else -# define CALL_VC_V13B(F,...) CALL_VC_NOOP -#endif - -#ifdef VC_ENABLE_API_V13OBS -# define CALL_VC_V13OBS(F,...) CALL_VC_GENERAL(0x00010011, v13obs, F, __VA_ARGS__) -#else -# define CALL_VC_V13OBS(F,...) CALL_VC_NOOP -#endif - -#ifdef VC_ENABLE_API_V21 -# define CALL_VC_V21(F,...) CALL_VC_GENERAL(0x00020100, v21, F, __VA_ARGS__) -#else -# define CALL_VC_V21(F,...) CALL_VC_NOOP -#endif - -#if defined(VC_ENABLE_API_V21) || defined(VC_ENABLE_API_V22) || defined(VC_ENABLE_API_V23) -# define CALL_VC_SPACES(F,...) CALL_VC_GENERAL_CONFIG(VC_VCI_SPACES, spaces, F, __VA_ARGS__) -#else -# define CALL_VC_SPACES(F,...) CALL_VC_NOOP -#endif - -#if defined(VC_ENABLE_API_V23) -# define CALL_VC_TAG(F,...) CALL_VC_GENERAL_CONFIG(VC_VCI_PPTAG, tag, F, __VA_ARGS__) -#else -# define CALL_VC_TAG(F,...) CALL_VC_NOOP -#endif - -#ifdef VC_ENABLE_API_V22 -# define CALL_VC_V22(F,...) CALL_VC_GENERAL(0x00020200, v22, F, __VA_ARGS__) -#else -# define CALL_VC_V22(F,...) CALL_VC_NOOP -#endif - -#ifdef VC_ENABLE_API_V23 -# define CALL_VC_V23(F,...) CALL_VC_GENERAL(0x00020300, v23, F, __VA_ARGS__) -#else -# define CALL_VC_V23(F,...) CALL_VC_NOOP -#endif - -#ifdef VC_ENABLE_API_NET -# define CALL_VC_NET(F,...) CALL_VC_GENERAL(0x00010016, net, F, __VA_ARGS__) -#else -# define CALL_VC_NET(F,...) CALL_VC_NOOP -#endif - -#if defined(VC_ENABLE_API_NETV2) -# define CALL_VC_NETV2(F,...) CALL_VC_GENERAL_CONFIG(VC_VCI_NETV2, netv2, F, __VA_ARGS__) -#else -# define CALL_VC_NETV2(F,...) CALL_VC_NOOP -#endif - -#ifdef VC_ENABLE_API_FSCOMPAT -# define CALL_VC_FSCOMPAT(F,...) CALL_VC_GENERAL(0x00010000, fscompat, F, __VA_ARGS__) -#else -# define CALL_VC_FSCOMPAT(F,...) CALL_VC_NOOP -#endif - -#ifdef VC_ENABLE_API_OLDPROC -# define CALL_VC_OLDPROC(F,...) CALL_VC_GENERAL(0x00000000, oldproc, F, __VA_ARGS__) -#else -# define CALL_VC_OLDPROC(F,...) CALL_VC_NOOP -#endif - -#ifdef VC_ENABLE_API_OLDUTS -# define CALL_VC_OLDUTS(F,...) CALL_VC_GENERAL(0x00000000, olduts, F, __VA_ARGS__) -#else -# define CALL_VC_OLDUTS(F,...) CALL_VC_NOOP -#endif - - - // Some kernel <-> userspace wrappers; they should be noops in most cases - -#if 1 -# define CTX_KERNEL2USER(X) (((X)==(uint32_t)(-1)) ? VC_NOCTX : \ - ((X)==(uint32_t)(-2)) ? VC_SAMECTX : \ - (xid_t)(X)) - -# define CTX_USER2KERNEL(X) (((X)==VC_DYNAMIC_XID) ? (uint32_t)(-1) : \ - ((X)==VC_SAMECTX) ? (uint32_t)(-2) : \ - (uint32_t)(X)) -#else -# define CTX_USER2KERNEL(X) (X) -# define CTX_KERNEL2USER(X) (X) -#endif - -#if 1 -# define TAG_KERNEL2USER(X) (((X)==(uint32_t)(-1)) ? VC_NOCTX : \ - ((X)==(uint32_t)(-2)) ? VC_SAMECTX : \ - (tag_t)(X)) - -# define TAG_USER2KERNEL(X) (((X)==VC_DYNAMIC_XID) ? (uint32_t)(-1) : \ - ((X)==VC_SAMECTX) ? (uint32_t)(-2) : \ - (uint32_t)(X)) -#else -# define TAG_USER2KERNEL(X) (X) -# define TAG_KERNEL2USER(X) (X) -#endif - -#if 1 -# define EXT2FLAGS_USER2KERNEL(X) (((X) & ~(VC_IMMUTABLE_FILE_FL|VC_IMMUTABLE_LINK_FL)) | \ - ((X) & VC_IMMUTABLE_FILE_FL ? EXT2_IMMUTABLE_FILE_FL : 0) | \ - ((X) & VC_IMMUTABLE_LINK_FL ? EXT2_IMMUTABLE_LINK_FL : 0)) -# define EXT2FLAGS_KERNEL2USER(X) (((X) & ~(EXT2_IMMUTABLE_FILE_FL|EXT2_IMMUTABLE_LINK_FL)) | \ - ((X) & EXT2_IMMUTABLE_FILE_FL ? VC_IMMUTABLE_FILE_FL : 0) | \ - ((X) & EXT2_IMMUTABLE_LINK_FL ? VC_IMMUTABLE_LINK_FL : 0)) -#else -# define EXT2FLAGS_KERNEL2USER(X) (X) -# define EXT2FLAGS_USER2KERNEL(X) (X) -#endif - -#if 1 -# define VHI_USER2KERNEL(X) ((((X)==vcVHI_CONTEXT) ? VHIN_CONTEXT : \ - ((X)==vcVHI_SYSNAME) ? VHIN_SYSNAME : \ - ((X)==vcVHI_NODENAME) ? VHIN_NODENAME : \ - ((X)==vcVHI_RELEASE) ? VHIN_RELEASE : \ - ((X)==vcVHI_VERSION) ? VHIN_VERSION : \ - ((X)==vcVHI_MACHINE) ? VHIN_MACHINE : \ - ((X)==vcVHI_DOMAINNAME) ? VHIN_DOMAINNAME : \ - (X))) -# define VHI_KERNEL2USER(X) ((((X)==VHIN_CONTEXT) ? vcVHI_CONTEXT : \ - ((X)==VHIN_SYSNAME) ? vcVHI_SYSNAME : \ - ((X)==VHIN_NODENAME) ? vcVHI_NODENAME : \ - ((X)==VHIN_RELEASE) ? vcVHI_RELEASE : \ - ((X)==VHIN_VERSION) ? vcVHI_VERSION : \ - ((X)==VHIN_MACHINE) ? vcVHI_MACHINE : \ - ((X)==VHIN_DOMAINNAME) ? vcVHI_DOMAINNAME : \ - (X))) -#else -# define VHI_USER2KERNEL(X) (X) -# define VHI_KERNEL2USER(X) (X) -#endif - -#if 1 -# define NID_KERNEL2USER(X) (((X)==(uint32_t)(-1)) ? VC_NONID : \ - (xid_t)(X)) - -# define NID_USER2KERNEL(X) (((X)==VC_DYNAMIC_NID) ? (uint32_t)(-1) : \ - (uint32_t)(X)) -#else -# define NID_USER2KERNEL(X) (X) -# define NID_KERNEL2USER(X) (X) -#endif - -#define CDLIM_USER2KERNEL(X) ((X)==VC_CDLIM_UNSET ? CDLIM_UNSET : \ - (X)==VC_CDLIM_INFINITY ? CDLIM_INFINITY : \ - (X)==VC_CDLIM_KEEP ? CDLIM_KEEP : \ - (X)) - - /// the __typeof__ thing is a hack to deal with the kernel interface - /// using an unsigned long long value for a uint32_t type -#define CDLIM_KERNEL2USER(X) ((X)==(__typeof__(X))CDLIM_UNSET ? VC_CDLIM_UNSET : \ - (X)==(__typeof__(X))CDLIM_INFINITY ? VC_CDLIM_INFINITY : \ - (X)==(__typeof__(X))CDLIM_KEEP ? VC_CDLIM_KEEP : \ - (X)) - - -#define ENSC_STRUCT_IDX(STRUCT,ATTR) \ - ((char*)(&(STRUCT).ATTR) - (char*)(&(STRUCT))) -#define ENSC_SAME_STRUCT_IDX(LHS,RHS,ATTR) \ - (ENSC_STRUCT_IDX(LHS,ATTR) == ENSC_STRUCT_IDX(RHS,ATTR)) -#define ENSC_SAME_STRUCT_ITEM(LHS,RHS,ATTR) \ - (ENSC_SAME_STRUCT_IDX(LHS,RHS,ATTR) && \ - sizeof((LHS).ATTR)==sizeof((RHS).ATTR) && \ - sizeof(LHS)==sizeof(RHS)) - -#define EXT2_IOC_GETCONTEXT _IOR('x', 1, long) -#define EXT2_IOC_SETCONTEXT _IOW('x', 2, long) - -#ifndef HAVE_VSERVER -#ifdef ENSC_SYSCALL_TRADITIONAL -inline static UNUSED ALWAYSINLINE -int vserver(uint32_t cmd, uint32_t id, void *data) -{ - return syscall(__NR_vserver, cmd, id, data); -} -#else -inline static UNUSED ALWAYSINLINE -_syscall3(int, vserver, - uint32_t, cmd, uint32_t, id, void *, data) -#endif -#endif - -#endif // H_VSERVER_SYSCALL_INTERNAL_H