X-Git-Url: http://git.linux-vserver.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=util-vserver%2Flib%2Fvserver-internal.h;h=e49b06323f15ee5478343ca3db2417e119dfbf6c;hb=437b5e9a1c7245fb99ddcf114b6b1bce36ae69f7;hp=7a4324f178b0bb4ffac692bfcdb2f24b94e65e23;hpb=25c2cbcfb8a0e8e4db7f38497050666e2c20c4fa;p=util-vserver.git diff --git a/util-vserver/lib/vserver-internal.h b/util-vserver/lib/vserver-internal.h index 7a4324f..e49b063 100644 --- a/util-vserver/lib/vserver-internal.h +++ b/util-vserver/lib/vserver-internal.h @@ -15,6 +15,9 @@ // 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 @@ -28,8 +31,8 @@ #include "internal.h" -#ifndef __NR_vserver -# define __NR_vserver 273 +#if !defined(__NR_vserver) && defined(ENSC_SYSCALL__NR_vserver) +# define __NR_vserver ENSC_SYSCALL__NR_vserver #endif #define VC_PREFIX 0) @@ -38,15 +41,14 @@ #define CALL_VC_GENERAL(ID, SUFFIX, FUNC, ...) \ VC_PREFIX; VC_SELECT(ID) return FUNC ## _ ## SUFFIX(__VA_ARGS__); VC_SUFFIX -#if 1 -# define VC_SELECT(ID) case ID: if(1) +#ifdef VC_MULTIVERSION_SYSCALL +# define VC_SELECT(ID) if (ver>=(ID)) # define CALL_VC(...) \ do { \ - switch (utilvserver_checkCompatVersion()&~0xff) { \ - case -1 & ~0xff : if (1) break; \ - VC_SUFFIX, __VA_ARGS__ , VC_PREFIX; \ - default : errno = EINVAL; \ - } \ + int ver = utilvserver_checkCompatVersion(); \ + if (ver==-1) return -1; \ + VC_SUFFIX, __VA_ARGS__, VC_PREFIX; \ + errno = ENOSYS; \ return -1; \ } while (0) #else @@ -77,11 +79,31 @@ #endif #ifdef VC_ENABLE_API_V13 -# define CALL_VC_V13(F,...) CALL_VC_GENERAL(0x00010000, v13, F, __VA_ARGS__) +# 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_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 : \ @@ -108,12 +130,34 @@ # 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 + #define EXT2_IOC_GETCONTEXT _IOR('x', 1, long) #define EXT2_IOC_SETCONTEXT _IOW('x', 2, long) #ifndef HAVE_VSERVER -#if defined(__pic__) && defined(__i386) +#ifdef ENSC_SYSCALL_TRADITIONAL inline static UNUSED ALWAYSINLINE int vserver(uint32_t cmd, uint32_t id, void *data) {