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Diffstat (limited to 'include/linux/bpf.h')
-rw-r--r--include/linux/bpf.h22
1 files changed, 14 insertions, 8 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 024e8b28c34b..87eeb3a46a1d 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -55,8 +55,8 @@ struct cgroup;
extern struct idr btf_idr;
extern spinlock_t btf_idr_lock;
extern struct kobject *btf_kobj;
-extern struct bpf_mem_alloc bpf_global_ma;
-extern bool bpf_global_ma_set;
+extern struct bpf_mem_alloc bpf_global_ma, bpf_global_percpu_ma;
+extern bool bpf_global_ma_set, bpf_global_percpu_ma_set;
typedef u64 (*bpf_callback_t)(u64, u64, u64, u64, u64);
typedef int (*bpf_iter_init_seq_priv_t)(void *private_data,
@@ -180,14 +180,15 @@ enum btf_field_type {
BPF_TIMER = (1 << 1),
BPF_KPTR_UNREF = (1 << 2),
BPF_KPTR_REF = (1 << 3),
- BPF_KPTR = BPF_KPTR_UNREF | BPF_KPTR_REF,
- BPF_LIST_HEAD = (1 << 4),
- BPF_LIST_NODE = (1 << 5),
- BPF_RB_ROOT = (1 << 6),
- BPF_RB_NODE = (1 << 7),
+ BPF_KPTR_PERCPU = (1 << 4),
+ BPF_KPTR = BPF_KPTR_UNREF | BPF_KPTR_REF | BPF_KPTR_PERCPU,
+ BPF_LIST_HEAD = (1 << 5),
+ BPF_LIST_NODE = (1 << 6),
+ BPF_RB_ROOT = (1 << 7),
+ BPF_RB_NODE = (1 << 8),
BPF_GRAPH_NODE_OR_ROOT = BPF_LIST_NODE | BPF_LIST_HEAD |
BPF_RB_NODE | BPF_RB_ROOT,
- BPF_REFCOUNT = (1 << 8),
+ BPF_REFCOUNT = (1 << 9),
};
typedef void (*btf_dtor_kfunc_t)(void *);
@@ -300,6 +301,8 @@ static inline const char *btf_field_type_name(enum btf_field_type type)
case BPF_KPTR_UNREF:
case BPF_KPTR_REF:
return "kptr";
+ case BPF_KPTR_PERCPU:
+ return "percpu_kptr";
case BPF_LIST_HEAD:
return "bpf_list_head";
case BPF_LIST_NODE:
@@ -325,6 +328,7 @@ static inline u32 btf_field_type_size(enum btf_field_type type)
return sizeof(struct bpf_timer);
case BPF_KPTR_UNREF:
case BPF_KPTR_REF:
+ case BPF_KPTR_PERCPU:
return sizeof(u64);
case BPF_LIST_HEAD:
return sizeof(struct bpf_list_head);
@@ -351,6 +355,7 @@ static inline u32 btf_field_type_align(enum btf_field_type type)
return __alignof__(struct bpf_timer);
case BPF_KPTR_UNREF:
case BPF_KPTR_REF:
+ case BPF_KPTR_PERCPU:
return __alignof__(u64);
case BPF_LIST_HEAD:
return __alignof__(struct bpf_list_head);
@@ -389,6 +394,7 @@ static inline void bpf_obj_init_field(const struct btf_field *field, void *addr)
case BPF_TIMER:
case BPF_KPTR_UNREF:
case BPF_KPTR_REF:
+ case BPF_KPTR_PERCPU:
break;
default:
WARN_ON_ONCE(1);