/* SPDX-License-Identifier: LGPL-2.1+ */ #pragma once /*** This file is part of systemd. Copyright 2013 Lennart Poettering ***/ #include #include "cgroup-util.h" //#include "ip-address-access.h" //#include "list.h" //#include "time-util.h" #if 0 /// UNNEEDED by elogind typedef struct CGroupContext CGroupContext; typedef struct CGroupDeviceAllow CGroupDeviceAllow; typedef struct CGroupIODeviceWeight CGroupIODeviceWeight; typedef struct CGroupIODeviceLimit CGroupIODeviceLimit; typedef struct CGroupBlockIODeviceWeight CGroupBlockIODeviceWeight; typedef struct CGroupBlockIODeviceBandwidth CGroupBlockIODeviceBandwidth; typedef enum CGroupDevicePolicy { /* When devices listed, will allow those, plus built-in ones, if none are listed will allow everything. */ CGROUP_AUTO, /* Everything forbidden, except built-in ones and listed ones. */ CGROUP_CLOSED, /* Everythings forbidden, except for the listed devices */ CGROUP_STRICT, _CGROUP_DEVICE_POLICY_MAX, _CGROUP_DEVICE_POLICY_INVALID = -1 } CGroupDevicePolicy; struct CGroupDeviceAllow { LIST_FIELDS(CGroupDeviceAllow, device_allow); char *path; bool r:1; bool w:1; bool m:1; }; struct CGroupIODeviceWeight { LIST_FIELDS(CGroupIODeviceWeight, device_weights); char *path; uint64_t weight; }; struct CGroupIODeviceLimit { LIST_FIELDS(CGroupIODeviceLimit, device_limits); char *path; uint64_t limits[_CGROUP_IO_LIMIT_TYPE_MAX]; }; struct CGroupBlockIODeviceWeight { LIST_FIELDS(CGroupBlockIODeviceWeight, device_weights); char *path; uint64_t weight; }; struct CGroupBlockIODeviceBandwidth { LIST_FIELDS(CGroupBlockIODeviceBandwidth, device_bandwidths); char *path; uint64_t rbps; uint64_t wbps; }; struct CGroupContext { bool cpu_accounting; bool io_accounting; bool blockio_accounting; bool memory_accounting; bool tasks_accounting; bool ip_accounting; /* For unified hierarchy */ uint64_t cpu_weight; uint64_t startup_cpu_weight; usec_t cpu_quota_per_sec_usec; uint64_t io_weight; uint64_t startup_io_weight; LIST_HEAD(CGroupIODeviceWeight, io_device_weights); LIST_HEAD(CGroupIODeviceLimit, io_device_limits); uint64_t memory_low; uint64_t memory_high; uint64_t memory_max; uint64_t memory_swap_max; LIST_HEAD(IPAddressAccessItem, ip_address_allow); LIST_HEAD(IPAddressAccessItem, ip_address_deny); /* For legacy hierarchies */ uint64_t cpu_shares; uint64_t startup_cpu_shares; uint64_t blockio_weight; uint64_t startup_blockio_weight; LIST_HEAD(CGroupBlockIODeviceWeight, blockio_device_weights); LIST_HEAD(CGroupBlockIODeviceBandwidth, blockio_device_bandwidths); uint64_t memory_limit; CGroupDevicePolicy device_policy; LIST_HEAD(CGroupDeviceAllow, device_allow); /* Common */ uint64_t tasks_max; bool delegate; CGroupMask delegate_controllers; }; /* Used when querying IP accounting data */ typedef enum CGroupIPAccountingMetric { CGROUP_IP_INGRESS_BYTES, CGROUP_IP_INGRESS_PACKETS, CGROUP_IP_EGRESS_BYTES, CGROUP_IP_EGRESS_PACKETS, _CGROUP_IP_ACCOUNTING_METRIC_MAX, _CGROUP_IP_ACCOUNTING_METRIC_INVALID = -1, } CGroupIPAccountingMetric; typedef struct Unit Unit; typedef struct Manager Manager; void cgroup_context_init(CGroupContext *c); void cgroup_context_done(CGroupContext *c); void cgroup_context_dump(CGroupContext *c, FILE* f, const char *prefix); CGroupMask cgroup_context_get_mask(CGroupContext *c); void cgroup_context_free_device_allow(CGroupContext *c, CGroupDeviceAllow *a); void cgroup_context_free_io_device_weight(CGroupContext *c, CGroupIODeviceWeight *w); void cgroup_context_free_io_device_limit(CGroupContext *c, CGroupIODeviceLimit *l); void cgroup_context_free_blockio_device_weight(CGroupContext *c, CGroupBlockIODeviceWeight *w); void cgroup_context_free_blockio_device_bandwidth(CGroupContext *c, CGroupBlockIODeviceBandwidth *b); CGroupMask unit_get_own_mask(Unit *u); CGroupMask unit_get_delegate_mask(Unit *u); CGroupMask unit_get_members_mask(Unit *u); CGroupMask unit_get_siblings_mask(Unit *u); CGroupMask unit_get_subtree_mask(Unit *u); CGroupMask unit_get_target_mask(Unit *u); CGroupMask unit_get_enable_mask(Unit *u); bool unit_get_needs_bpf(Unit *u); void unit_update_cgroup_members_masks(Unit *u); const char *unit_get_realized_cgroup_path(Unit *u, CGroupMask mask); char *unit_default_cgroup_path(Unit *u); int unit_set_cgroup_path(Unit *u, const char *path); int unit_pick_cgroup_path(Unit *u); int unit_realize_cgroup(Unit *u); void unit_release_cgroup(Unit *u); void unit_prune_cgroup(Unit *u); int unit_watch_cgroup(Unit *u); void unit_add_to_cgroup_empty_queue(Unit *u); int unit_attach_pids_to_cgroup(Unit *u, Set *pids, const char *suffix_path); #else # include "logind.h" #endif // 0 int manager_setup_cgroup(Manager *m); void manager_shutdown_cgroup(Manager *m, bool delete); #if 0 /// UNNEEDED by elogind unsigned manager_dispatch_cgroup_realize_queue(Manager *m); Unit *manager_get_unit_by_cgroup(Manager *m, const char *cgroup); Unit *manager_get_unit_by_pid_cgroup(Manager *m, pid_t pid); Unit* manager_get_unit_by_pid(Manager *m, pid_t pid); int unit_search_main_pid(Unit *u, pid_t *ret); int unit_watch_all_pids(Unit *u); int unit_synthesize_cgroup_empty_event(Unit *u); int unit_get_memory_current(Unit *u, uint64_t *ret); int unit_get_tasks_current(Unit *u, uint64_t *ret); int unit_get_cpu_usage(Unit *u, nsec_t *ret); int unit_get_ip_accounting(Unit *u, CGroupIPAccountingMetric metric, uint64_t *ret); int unit_reset_cpu_accounting(Unit *u); int unit_reset_ip_accounting(Unit *u); #define UNIT_CGROUP_BOOL(u, name) \ ({ \ CGroupContext *cc = unit_get_cgroup_context(u); \ cc ? cc->name : false; \ }) #endif // 0 bool manager_owns_root_cgroup(Manager *m); #if 0 /// UNNEEDED by elogind bool unit_has_root_cgroup(Unit *u); #endif // 0 int manager_notify_cgroup_empty(Manager *m, const char *group); #if 0 /// UNNEEDED by elogind void unit_invalidate_cgroup(Unit *u, CGroupMask m); void unit_invalidate_cgroup_bpf(Unit *u); void manager_invalidate_startup_units(Manager *m); const char* cgroup_device_policy_to_string(CGroupDevicePolicy i) _const_; CGroupDevicePolicy cgroup_device_policy_from_string(const char *s) _pure_; bool unit_cgroup_delegate(Unit *u); #endif // 0