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Diffstat (limited to 'ipc/kdbus/pool.h')
-rw-r--r-- | ipc/kdbus/pool.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/ipc/kdbus/pool.h b/ipc/kdbus/pool.h new file mode 100644 index 000000000000..a9038213aa4d --- /dev/null +++ b/ipc/kdbus/pool.h @@ -0,0 +1,46 @@ +/* + * Copyright (C) 2013-2015 Kay Sievers + * Copyright (C) 2013-2015 Greg Kroah-Hartman <gregkh@linuxfoundation.org> + * Copyright (C) 2013-2015 Daniel Mack <daniel@zonque.org> + * Copyright (C) 2013-2015 David Herrmann <dh.herrmann@gmail.com> + * Copyright (C) 2013-2015 Linux Foundation + * Copyright (C) 2014-2015 Djalal Harouni <tixxdz@opendz.org> + * + * kdbus is free software; you can redistribute it and/or modify it under + * the terms of the GNU Lesser General Public License as published by the + * Free Software Foundation; either version 2.1 of the License, or (at + * your option) any later version. + */ + +#ifndef __KDBUS_POOL_H +#define __KDBUS_POOL_H + +#include <linux/uio.h> + +struct kdbus_pool; +struct kdbus_pool_slice; + +struct kdbus_pool *kdbus_pool_new(const char *name, size_t size); +void kdbus_pool_free(struct kdbus_pool *pool); +void kdbus_pool_accounted(struct kdbus_pool *pool, size_t *size, size_t *acc); +int kdbus_pool_mmap(const struct kdbus_pool *pool, struct vm_area_struct *vma); +int kdbus_pool_release_offset(struct kdbus_pool *pool, size_t off); +void kdbus_pool_publish_empty(struct kdbus_pool *pool, u64 *off, u64 *size); + +struct kdbus_pool_slice *kdbus_pool_slice_alloc(struct kdbus_pool *pool, + size_t size, bool accounted); +void kdbus_pool_slice_release(struct kdbus_pool_slice *slice); +void kdbus_pool_slice_publish(struct kdbus_pool_slice *slice, + u64 *out_offset, u64 *out_size); +off_t kdbus_pool_slice_offset(const struct kdbus_pool_slice *slice); +size_t kdbus_pool_slice_size(const struct kdbus_pool_slice *slice); +int kdbus_pool_slice_copy(const struct kdbus_pool_slice *slice_dst, + const struct kdbus_pool_slice *slice_src); +ssize_t kdbus_pool_slice_copy_kvec(const struct kdbus_pool_slice *slice, + loff_t off, struct kvec *kvec, + size_t kvec_count, size_t total_len); +ssize_t kdbus_pool_slice_copy_iovec(const struct kdbus_pool_slice *slice, + loff_t off, struct iovec *iov, + size_t iov_count, size_t total_len); + +#endif |