X-Git-Url: http://git.linux-vserver.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fvserver.h;h=bb0b93a7408315cc24076e98221937e8e97a6eaf;hb=9bbe41ab46077aed94fd7483cf6bc1e2857e12e5;hp=68cee6b771917fac083bfd7439e1180acd455960;hpb=e6580882caefa10d48e7668d879b52d80b87a6b2;p=util-vserver.git diff --git a/lib/vserver.h b/lib/vserver.h index 68cee6b..bb0b93a 100644 --- a/lib/vserver.h +++ b/lib/vserver.h @@ -28,6 +28,7 @@ #include #include #include +#include #ifndef IS_DOXYGEN #if defined(__GNUC__) @@ -207,7 +208,7 @@ #define VC_VXC_QUOTA_CTL 0x00100000ull #define VC_VXC_ADMIN_MAPPER 0x00200000ull -#define VC_VXC_ADMIN_LOOP 0x00400000ull +#define VC_VXC_ADMIN_CLOOP 0x00400000ull // the scheduler flags @@ -230,6 +231,11 @@ // the network flags #define VC_NXF_INFO_LOCK 0x00000001ull +#define VC_NXF_INFO_PRIVATE 0x00000008ull + +#define VC_NXF_SINGLE_IP 0x00000100ull + +#define VC_NXF_HIDE_NETIF 0x02000000ull #define VC_NXF_STATE_SETUP (1ULL<<32) #define VC_NXF_STATE_ADMIN (1ULL<<34) @@ -238,6 +244,33 @@ #define VC_NXF_PERSISTENT (1ULL<<38) +// the vserver specific limits +#define VC_VLIMIT_NSOCK 16 +#define VC_VLIMIT_OPENFD 17 +#define VC_VLIMIT_ANON 18 +#define VC_VLIMIT_SHMEM 19 +#define VC_VLIMIT_SEMARY 20 +#define VC_VLIMIT_NSEMS 21 +#define VC_VLIMIT_DENTRY 22 +#define VC_VLIMIT_MAPPED 23 + + +// the VCI bit values +#define VC_VCI_NO_DYNAMIC (1 << 0) +#define VC_VCI_SPACES (1 << 10) + + +#ifndef CLONE_NEWNS +# define CLONE_NEWNS 0x00020000 +#endif +#ifndef CLONE_NEWUTS +# define CLONE_NEWUTS 0x04000000 +#endif +#ifndef CLONE_NEWIPC +# define CLONE_NEWIPC 0x08000000 +#endif + + #define VC_BAD_PERSONALITY ((uint_least32_t)(-1)) @@ -284,6 +317,12 @@ extern "C" { * \returns The versionnumber of the kernel API */ int vc_get_version(); + + /** \brief Returns the kernel configuration bits + * \ingroup syscalls + * \returns The kernel configuration bits + */ + int vc_get_vci(); /** \brief Moves current process into a context * \ingroup syscalls @@ -337,6 +376,42 @@ extern "C" { * \param xid The new context * \returns 0 on success, -1 on errors */ int vc_ctx_migrate(xid_t xid); + + /** \brief Statistics about a context */ + struct vc_ctx_stat { + uint_least32_t usecnt; ///< number of uses + uint_least32_t tasks; ///< number of tasks + }; + + /** \brief Get some statistics about a context. + * \ingroup syscalls + * + * \param xid The context to get stats about + * \param stat Where to store the result + * + * \returns 0 on success, -1 on errors. */ + int vc_ctx_stat(xid_t xid, struct vc_ctx_stat /*@out@*/ *stat) VC_ATTR_NONNULL((2)); + + /** \brief Contains further statistics about a context. */ + struct vc_virt_stat { + uint_least64_t offset; + uint_least32_t uptime; + uint_least32_t nr_threads; + uint_least32_t nr_running; + uint_least32_t nr_uninterruptible; + uint_least32_t nr_onhold; + uint_least32_t nr_forks; + uint_least32_t load[3]; + }; + + /** \brief Get more statistics about a context. + * \ingroup syscalls + * + * \param xid The context to get stats about + * \param stat Where to store the result + * + * \returns 0 on success, -1 on errors. */ + int vc_virt_stat(xid_t xid, struct vc_virt_stat /*@out@*/ *stat) VC_ATTR_NONNULL((2)); /* rlimit related functions */ @@ -367,6 +442,14 @@ extern "C" { uint_least32_t hard; ///< masks the resources supporting a hard limit }; + /** \brief Statistics for a resource limit. */ + struct vc_rlimit_stat { + uint_least32_t hits; ///< number of hits on the limit + uint_least64_t value; ///< current value + uint_least64_t minimum; ///< minimum value observed + uint_least64_t maximum; ///< maximum value observed + }; + /** \brief Returns the limits of \a resource. * \ingroup syscalls * @@ -389,6 +472,23 @@ extern "C" { struct vc_rlimit const /*@in@*/ *lim) VC_ATTR_NONNULL((3)); int vc_get_rlimit_mask(xid_t xid, struct vc_rlimit_mask *lim) VC_ATTR_NONNULL((2)); + /** \brief Returns the current stats of \a resource. + * \ingroup syscalls + * + * \param xid The id of the context + * \param resource The resource which will be queried + * \param stat The result which will be filled with the stats + * + * \returns 0 on success, and -1 on errors. */ + int vc_rlimit_stat(xid_t xid, int resource, + struct vc_rlimit_stat /*@out@*/ *stat) VC_ATTR_NONNULL((3)); + /** \brief Resets the minimum and maximum observed values for all resources. + * \ingroup syscalls + * + * \param xid The id of the context + * + * \returns 0 on success, and -1 on errors. */ + int vc_reset_minmax(xid_t xid); /** \brief Parses a string describing a limit * \ingroup helper * @@ -525,9 +625,10 @@ extern "C" { /** Returns true iff \a xid is a dynamic xid */ bool vc_is_dynamic_xid(xid_t xid); - int vc_enter_namespace(xid_t xid); - int vc_set_namespace(); + int vc_enter_namespace(xid_t xid, uint_least64_t mask); + int vc_set_namespace(xid_t xid, uint_least64_t mask); int vc_cleanup_namespace(); + uint_least64_t vc_get_space_mask(); /** \brief Flags of process-contexts @@ -706,6 +807,8 @@ extern "C" { uint_least32_t set_mask; int_least32_t fill_rate; int_least32_t interval; + int_least32_t fill_rate2; + int_least32_t interval2; int_least32_t tokens; int_least32_t tokens_min; int_least32_t tokens_max; @@ -776,6 +879,8 @@ extern "C" { /** Maps an xid given at '--xid' options to an xid_t */ xid_t vc_xidopt2xid(char const *, bool honor_static, char const **err_info); + /** Maps a nid given at '--nid' options to a nid_t */ + nid_t vc_nidopt2nid(char const *, bool honor_static, char const **err_info); vcCfgStyle vc_getVserverCfgStyle(char const *id);