core: add cgroup CPU controller support on the unified hierarchy

[elogind.git] / src / core / cgroup.h

diff --git a/src/core/cgroup.h b/src/core/cgroup.h
index 509da0bb5f9b11661786d3ae491eff71b31c267f..3bcf6868137b3bb07d2143753fe4a7ab439454e9 100644 (file)
--- a/src/core/cgroup.h
+++ b/src/core/cgroup.h
@@ -1,5 +1,3 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
 #pragma once
 
 /***
@@ -23,23 +21,15 @@
 
 #include <stdbool.h>
 
-// #include "list.h"
-// #include "time-util.h"
-#include "logind.h"
+//#include "list.h"
+//#include "time-util.h"
+#include "cgroup-util.h"
 
 #if 0 /// UNNEEDED by elogind
-typedef struct CGroupContext CGroupContext;
-Stypedef struct CGroupDeviceAllow CGroupDeviceAllow;
-typedef struct CGroupBlockIODeviceWeight CGroupBlockIODeviceWeight;
-typedef struct CGroupBlockIODeviceBandwidth CGroupBlockIODeviceBandwidth;
-
-/* Maximum value for fixed (manual) net class ID assignment,
- * and also the value at which the range of automatic assignments starts
- */
-#define CGROUP_NETCLASS_FIXED_MAX UINT32_C(65535)
-
 typedef struct CGroupContext CGroupContext;
 typedef struct CGroupDeviceAllow CGroupDeviceAllow;
+typedef struct CGroupIODeviceWeight CGroupIODeviceWeight;
+typedef struct CGroupIODeviceLimit CGroupIODeviceLimit;
 typedef struct CGroupBlockIODeviceWeight CGroupBlockIODeviceWeight;
 typedef struct CGroupBlockIODeviceBandwidth CGroupBlockIODeviceBandwidth;
 
@@ -59,17 +49,6 @@ typedef enum CGroupDevicePolicy {
         _CGROUP_DEVICE_POLICY_INVALID = -1
 } CGroupDevicePolicy;
 
-typedef enum CGroupNetClassType {
-        /* Default - do not assign a net class */
-        CGROUP_NETCLASS_TYPE_NONE,
-
-        /* Automatically assign a net class */
-        CGROUP_NETCLASS_TYPE_AUTO,
-
-        /* Assign the net class that was provided by the user */
-        CGROUP_NETCLASS_TYPE_FIXED,
-} CGroupNetClassType;
-
 struct CGroupDeviceAllow {
         LIST_FIELDS(CGroupDeviceAllow, device_allow);
         char *path;
@@ -78,6 +57,18 @@ 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;
@@ -87,19 +78,34 @@ 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;
 
+        /* 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;
+
+        /* 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;
@@ -111,25 +117,23 @@ struct CGroupContext {
         CGroupDevicePolicy device_policy;
         LIST_HEAD(CGroupDeviceAllow, device_allow);
 
-        CGroupNetClassType netclass_type;
-        uint32_t netclass_id;
-
+        /* Common */
         uint64_t tasks_max;
 
         bool delegate;
 };
 
-#include "cgroup-util.h"
 #include "unit.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, uint32_t netclass_id, 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);
 
@@ -138,12 +142,12 @@ CGroupMask unit_get_siblings_mask(Unit *u);
 CGroupMask unit_get_members_mask(Unit *u);
 CGroupMask unit_get_subtree_mask(Unit *u);
 
-vCGroupMask unit_get_target_mask(Unit *u);
+CGroupMask unit_get_target_mask(Unit *u);
 CGroupMask unit_get_enable_mask(Unit *u);
 
 void unit_update_cgroup_members_masks(Unit *u);
 
-har *unit_default_cgroup_path(Unit *u);
+char *unit_default_cgroup_path(Unit *u);
 int unit_set_cgroup_path(Unit *u, const char *path);
 
 int unit_realize_cgroup(Unit *u);
@@ -152,9 +156,8 @@ void unit_prune_cgroup(Unit *u);
 int unit_watch_cgroup(Unit *u);
 
 int unit_attach_pids_to_cgroup(Unit *u);
-
-int unit_add_to_netclass_cgroup(Unit *u);
-int unit_remove_from_netclass_cgroup(Unit *u);
+#else
+# include "logind.h"
 #endif // 0
 
 int manager_setup_cgroup(Manager *m);
@@ -178,8 +181,10 @@ int unit_reset_cpu_usage(Unit *u);
 bool unit_cgroup_delegate(Unit *u);
 
 int unit_notify_cgroup_empty(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 manager_invalidate_startup_units(Manager *m);