diff options
Diffstat (limited to 'include/rdma')
| -rw-r--r-- | include/rdma/uverbs_ioctl.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/include/rdma/uverbs_ioctl.h b/include/rdma/uverbs_ioctl.h index d16d31d4322d..5e6d0569d97c 100644 --- a/include/rdma/uverbs_ioctl.h +++ b/include/rdma/uverbs_ioctl.h @@ -269,6 +269,19 @@ struct uverbs_object_tree_def { }) /* + * An input value that is a bitwise combination of values of _enum_type. + * This permits the flag value to be passed as either a u32 or u64, it must + * be retrieved via uverbs_get_flag(). + */ +#define UVERBS_ATTR_FLAGS_IN(_attr_id, _enum_type, ...) \ + UVERBS_ATTR_PTR_IN( \ + _attr_id, \ + UVERBS_ATTR_SIZE(sizeof(u32) + BUILD_BUG_ON_ZERO( \ + !sizeof(_enum_type *)), \ + sizeof(u64)), \ + __VA_ARGS__) + +/* * This spec is used in order to pass information to the hardware driver in a * legacy way. Every verb that could get driver specific data should get this * spec. @@ -520,6 +533,26 @@ static inline int _uverbs_copy_from_or_zero(void *to, #define uverbs_copy_from_or_zero(to, attrs_bundle, idx) \ _uverbs_copy_from_or_zero(to, attrs_bundle, idx, sizeof(*to)) +#if IS_ENABLED(CONFIG_INFINIBAND_USER_ACCESS) +int uverbs_get_flags64(u64 *to, const struct uverbs_attr_bundle *attrs_bundle, + size_t idx, u64 allowed_bits); +int uverbs_get_flags32(u32 *to, const struct uverbs_attr_bundle *attrs_bundle, + size_t idx, u64 allowed_bits); +#else +static inline int +uverbs_get_flags64(u64 *to, const struct uverbs_attr_bundle *attrs_bundle, + size_t idx, u64 allowed_bits) +{ + return -EINVAL; +} +static inline int +uverbs_get_flags32(u32 *to, const struct uverbs_attr_bundle *attrs_bundle, + size_t idx, u64 allowed_bits) +{ + return -EINVAL; +} +#endif + /* ================================================= * Definitions -> Specs infrastructure * ================================================= |