#include "sd-bus.h"
+#define KDBUS_ITEM_NEXT(item) \
+ (typeof(item))(((uint8_t *)item) + ALIGN8((item)->size))
+
+#define KDBUS_ITEM_FOREACH(part, head, first) \
+ for (part = (head)->first; \
+ (uint8_t *)(part) < (uint8_t *)(head) + (head)->size; \
+ part = KDBUS_ITEM_NEXT(part))
+
+#define KDBUS_ITEM_HEADER_SIZE offsetof(struct kdbus_item, data)
+#define KDBUS_ITEM_SIZE(s) ALIGN8((s) + KDBUS_ITEM_HEADER_SIZE)
+
#define MEMFD_CACHE_MAX 32
+
+/* When we cache a memfd block for reuse, we will truncate blocks
+ * longer than this in order not to keep too much data around. */
#define MEMFD_CACHE_ITEM_SIZE_MAX (128*1024)
+/* This determines at which minimum size we prefer sending memfds over
+ * sending vectors */
+#define MEMFD_MIN_SIZE (128*1024)
+
+/* The size of the per-connection memory pool that we set up and where
+ * the kernel places our incoming messages */
+#define KDBUS_POOL_SIZE (16*1024*1024)
+
struct memfd_cache {
int fd;
void *address;
- size_t size;
+ size_t mapped;
+ size_t allocated;
};
int bus_kernel_connect(sd_bus *b);
int bus_kernel_take_fd(sd_bus *b);
int bus_kernel_write_message(sd_bus *bus, sd_bus_message *m);
-int bus_kernel_read_message(sd_bus *bus, sd_bus_message **m);
+int bus_kernel_read_message(sd_bus *bus);
-int bus_kernel_create(const char *name, char **s);
+int bus_kernel_create_bus(const char *name, char **s);
+int bus_kernel_create_namespace(const char *name, char **s);
+int bus_kernel_create_starter(const char *bus, const char *name);
+int bus_kernel_create_monitor(const char *bus);
-int bus_kernel_pop_memfd(sd_bus *bus, void **address, size_t *size);
-void bus_kernel_push_memfd(sd_bus *bus, int fd, void *address, size_t size);
+int bus_kernel_pop_memfd(sd_bus *bus, void **address, size_t *mapped, size_t *allocated);
+void bus_kernel_push_memfd(sd_bus *bus, int fd, void *address, size_t mapped, size_t allocated);
void bus_kernel_flush_memfd(sd_bus *bus);
+
+int bus_kernel_parse_unique_name(const char *s, uint64_t *id);
+
+int kdbus_translate_request_name_flags(uint64_t sd_bus_flags, uint64_t *kdbus_flags);
+int kdbus_translate_attach_flags(uint64_t sd_bus_flags, uint64_t *kdbus_flags);
+
+int bus_kernel_try_close(sd_bus *bus);