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-rw-r--r--src/basic/cgroup-util.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/src/basic/cgroup-util.h b/src/basic/cgroup-util.h
index ad1edd9cdb..4bb5291296 100644
--- a/src/basic/cgroup-util.h
+++ b/src/basic/cgroup-util.h
@@ -34,6 +34,7 @@
typedef enum CGroupController {
CGROUP_CONTROLLER_CPU,
CGROUP_CONTROLLER_CPUACCT,
+ CGROUP_CONTROLLER_IO,
CGROUP_CONTROLLER_BLKIO,
CGROUP_CONTROLLER_MEMORY,
CGROUP_CONTROLLER_DEVICES,
@@ -48,6 +49,7 @@ typedef enum CGroupController {
typedef enum CGroupMask {
CGROUP_MASK_CPU = CGROUP_CONTROLLER_TO_MASK(CGROUP_CONTROLLER_CPU),
CGROUP_MASK_CPUACCT = CGROUP_CONTROLLER_TO_MASK(CGROUP_CONTROLLER_CPUACCT),
+ CGROUP_MASK_IO = CGROUP_CONTROLLER_TO_MASK(CGROUP_CONTROLLER_IO),
CGROUP_MASK_BLKIO = CGROUP_CONTROLLER_TO_MASK(CGROUP_CONTROLLER_BLKIO),
CGROUP_MASK_MEMORY = CGROUP_CONTROLLER_TO_MASK(CGROUP_CONTROLLER_MEMORY),
CGROUP_MASK_DEVICES = CGROUP_CONTROLLER_TO_MASK(CGROUP_CONTROLLER_DEVICES),
@@ -55,6 +57,37 @@ typedef enum CGroupMask {
_CGROUP_MASK_ALL = CGROUP_CONTROLLER_TO_MASK(_CGROUP_CONTROLLER_MAX) - 1
} CGroupMask;
+/* Special values for all weight knobs on unified hierarchy */
+#define CGROUP_WEIGHT_INVALID ((uint64_t) -1)
+#define CGROUP_WEIGHT_MIN UINT64_C(1)
+#define CGROUP_WEIGHT_MAX UINT64_C(10000)
+#define CGROUP_WEIGHT_DEFAULT UINT64_C(100)
+
+#define CGROUP_LIMIT_MIN UINT64_C(0)
+#define CGROUP_LIMIT_MAX ((uint64_t) -1)
+
+static inline bool CGROUP_WEIGHT_IS_OK(uint64_t x) {
+ return
+ x == CGROUP_WEIGHT_INVALID ||
+ (x >= CGROUP_WEIGHT_MIN && x <= CGROUP_WEIGHT_MAX);
+}
+
+/* IO limits on unified hierarchy */
+typedef enum CGroupIOLimitType {
+ CGROUP_IO_RBPS_MAX,
+ CGROUP_IO_WBPS_MAX,
+ CGROUP_IO_RIOPS_MAX,
+ CGROUP_IO_WIOPS_MAX,
+
+ _CGROUP_IO_LIMIT_TYPE_MAX,
+ _CGROUP_IO_LIMIT_TYPE_INVALID = -1
+} CGroupIOLimitType;
+
+extern const uint64_t cgroup_io_limit_defaults[_CGROUP_IO_LIMIT_TYPE_MAX];
+
+const char* cgroup_io_limit_type_to_string(CGroupIOLimitType t) _const_;
+CGroupIOLimitType cgroup_io_limit_type_from_string(const char *s) _pure_;
+
/* Special values for the cpu.shares attribute */
#define CGROUP_CPU_SHARES_INVALID ((uint64_t) -1)
#define CGROUP_CPU_SHARES_MIN UINT64_C(2)
@@ -96,6 +129,8 @@ static inline bool CGROUP_BLKIO_WEIGHT_IS_OK(uint64_t x) {
int cg_enumerate_processes(const char *controller, const char *path, FILE **_f);
int cg_read_pid(FILE *f, pid_t *_pid);
+int cg_read_event(const char *controller, const char *path, const char *event,
+ char **val);
int cg_enumerate_subgroups(const char *controller, const char *path, DIR **_d);
int cg_read_subgroup(DIR *d, char **fn);
@@ -188,5 +223,6 @@ bool cg_is_legacy_wanted(void);
const char* cgroup_controller_to_string(CGroupController c) _const_;
CGroupController cgroup_controller_from_string(const char *s) _pure_;
+int cg_weight_parse(const char *s, uint64_t *ret);
int cg_cpu_shares_parse(const char *s, uint64_t *ret);
int cg_blkio_weight_parse(const char *s, uint64_t *ret);