| 1 | /* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only) |
| 2 | * |
| 3 | * lttng/events-internal.h |
| 4 | * |
| 5 | * Copyright (C) 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 6 | */ |
| 7 | |
| 8 | #ifndef _LTTNG_EVENTS_INTERNAL_H |
| 9 | #define _LTTNG_EVENTS_INTERNAL_H |
| 10 | |
| 11 | #include <lttng/events.h> |
| 12 | |
| 13 | static inline |
| 14 | const struct lttng_kernel_type_integer *lttng_kernel_get_type_integer(const struct lttng_kernel_type_common *type) |
| 15 | { |
| 16 | if (type->type != lttng_kernel_type_integer) |
| 17 | return NULL; |
| 18 | return container_of(type, const struct lttng_kernel_type_integer, parent); |
| 19 | } |
| 20 | |
| 21 | static inline |
| 22 | const struct lttng_kernel_type_string *lttng_kernel_get_type_string(const struct lttng_kernel_type_common *type) |
| 23 | { |
| 24 | if (type->type != lttng_kernel_type_string) |
| 25 | return NULL; |
| 26 | return container_of(type, const struct lttng_kernel_type_string, parent); |
| 27 | } |
| 28 | |
| 29 | static inline |
| 30 | const struct lttng_kernel_type_enum *lttng_kernel_get_type_enum(const struct lttng_kernel_type_common *type) |
| 31 | { |
| 32 | if (type->type != lttng_kernel_type_enum) |
| 33 | return NULL; |
| 34 | return container_of(type, const struct lttng_kernel_type_enum, parent); |
| 35 | } |
| 36 | |
| 37 | static inline |
| 38 | const struct lttng_kernel_type_array *lttng_kernel_get_type_array(const struct lttng_kernel_type_common *type) |
| 39 | { |
| 40 | if (type->type != lttng_kernel_type_array) |
| 41 | return NULL; |
| 42 | return container_of(type, const struct lttng_kernel_type_array, parent); |
| 43 | } |
| 44 | |
| 45 | static inline |
| 46 | const struct lttng_kernel_type_sequence *lttng_kernel_get_type_sequence(const struct lttng_kernel_type_common *type) |
| 47 | { |
| 48 | if (type->type != lttng_kernel_type_sequence) |
| 49 | return NULL; |
| 50 | return container_of(type, const struct lttng_kernel_type_sequence, parent); |
| 51 | } |
| 52 | |
| 53 | static inline |
| 54 | const struct lttng_kernel_type_struct *lttng_kernel_get_type_struct(const struct lttng_kernel_type_common *type) |
| 55 | { |
| 56 | if (type->type != lttng_kernel_type_struct) |
| 57 | return NULL; |
| 58 | return container_of(type, const struct lttng_kernel_type_struct, parent); |
| 59 | } |
| 60 | |
| 61 | static inline |
| 62 | const struct lttng_kernel_type_variant *lttng_kernel_get_type_variant(const struct lttng_kernel_type_common *type) |
| 63 | { |
| 64 | if (type->type != lttng_kernel_type_variant) |
| 65 | return NULL; |
| 66 | return container_of(type, const struct lttng_kernel_type_variant, parent); |
| 67 | } |
| 68 | |
| 69 | static inline bool lttng_kernel_type_is_bytewise_integer(const struct lttng_kernel_type_common *type) |
| 70 | { |
| 71 | const struct lttng_kernel_type_integer *type_integer = lttng_kernel_get_type_integer(type); |
| 72 | |
| 73 | if (!type_integer) |
| 74 | return false; |
| 75 | switch (type_integer->size) { |
| 76 | case 8: /* Fall-through. */ |
| 77 | case 16: /* Fall-through. */ |
| 78 | case 32: /* Fall-through. */ |
| 79 | case 64: |
| 80 | break; |
| 81 | default: |
| 82 | return false; |
| 83 | } |
| 84 | return true; |
| 85 | } |
| 86 | |
| 87 | #endif /* _LTTNG_EVENTS_INTERNAL_H */ |