Add SPDX license identifiers to source files under the LGPL

[thirdparty/systemd.git] / src / core / cgroup.h

diff --git a/src/core/cgroup.h b/src/core/cgroup.h
index 3d455d93ed4fef3536fe5779fcc04ea165173001..00df3bb3684c0b6bd66a689b672e300bfb89f7c0 100644 (file)
--- a/src/core/cgroup.h
+++ b/src/core/cgroup.h
@@ -1,5 +1,4 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
+/* SPDX-License-Identifier: LGPL-2.1+ */
 #pragma once
 
 /***
@@ -23,11 +22,15 @@
 
 #include <stdbool.h>
 
+#include "cgroup-util.h"
+#include "ip-address-access.h"
 #include "list.h"
 #include "time-util.h"
 
 typedef struct CGroupContext CGroupContext;
 typedef struct CGroupDeviceAllow CGroupDeviceAllow;
+typedef struct CGroupIODeviceWeight CGroupIODeviceWeight;
+typedef struct CGroupIODeviceLimit CGroupIODeviceLimit;
 typedef struct CGroupBlockIODeviceWeight CGroupBlockIODeviceWeight;
 typedef struct CGroupBlockIODeviceBandwidth CGroupBlockIODeviceBandwidth;
 
@@ -55,6 +58,18 @@ struct CGroupDeviceAllow {
         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;
@@ -64,19 +79,39 @@ struct CGroupBlockIODeviceWeight {
 struct CGroupBlockIODeviceBandwidth {
         LIST_FIELDS(CGroupBlockIODeviceBandwidth, device_bandwidths);
         char *path;
-        uint64_t bandwidth;
-        bool read;
+        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;
-        usec_t cpu_quota_per_sec_usec;
 
         uint64_t blockio_weight;
         uint64_t startup_blockio_weight;
@@ -88,33 +123,48 @@ struct CGroupContext {
         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;
+
 #include "unit.h"
-#include "cgroup-util.h"
 
 void cgroup_context_init(CGroupContext *c);
 void cgroup_context_done(CGroupContext *c);
 void cgroup_context_dump(CGroupContext *c, FILE* f, const char *prefix);
-void cgroup_context_apply(CGroupContext *c, CGroupMask mask, const char *path, ManagerState state);
 
 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_siblings_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);
 
 char *unit_default_cgroup_path(Unit *u);
@@ -125,12 +175,14 @@ 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);
 
 int manager_setup_cgroup(Manager *m);
 void manager_shutdown_cgroup(Manager *m, bool delete);
 
-unsigned manager_dispatch_cgroup_queue(Manager *m);
+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);
@@ -142,12 +194,23 @@ int unit_watch_all_pids(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_reset_cpu_usage(Unit *u);
+int unit_get_ip_accounting(Unit *u, CGroupIPAccountingMetric metric, uint64_t *ret);
 
-bool unit_cgroup_delegate(Unit *u);
+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;                          \
+        })
 
-int unit_notify_cgroup_empty(Unit *u);
 int manager_notify_cgroup_empty(Manager *m, const char *group);
 
+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_;