1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/libipc/include/ipc/util_ipc.h Wed Aug 25 01:28:08 2021 +0200
1.3 @@ -0,0 +1,53 @@
1.4 +/*
1.5 + * Interprocess communication abstractions.
1.6 + *
1.7 + * Copyright (C) 2018, 2019, 2021 Paul Boddie <paul@boddie.org.uk>
1.8 + *
1.9 + * This program is free software; you can redistribute it and/or
1.10 + * modify it under the terms of the GNU General Public License as
1.11 + * published by the Free Software Foundation; either version 2 of
1.12 + * the License, or (at your option) any later version.
1.13 + *
1.14 + * This program is distributed in the hope that it will be useful,
1.15 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
1.16 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.17 + * GNU General Public License for more details.
1.18 + *
1.19 + * You should have received a copy of the GNU General Public License
1.20 + * along with this program; if not, write to the Free Software
1.21 + * Foundation, Inc., 51 Franklin Street, Fifth Floor,
1.22 + * Boston, MA 02110-1301, USA
1.23 + */
1.24 +
1.25 +#pragma once
1.26 +
1.27 +#include <l4/re/c/dataspace.h>
1.28 +#include <l4/sys/ipc.h>
1.29 +#include <l4/sys/utcb.h>
1.30 +#include <l4/sys/types.h>
1.31 +
1.32 +#include <sys/types.h>
1.33 +
1.34 +
1.35 +
1.36 +EXTERN_C_BEGIN
1.37 +
1.38 +/* Supporting operations. */
1.39 +
1.40 +long _expect_capabilities(l4_buf_regs_t *bregs, int number);
1.41 +long _expect_capability(l4_buf_regs_t *bregs, int item);
1.42 +void _export_capability(l4_msgtag_t tag, l4_msg_regs_t *mregs, int item, l4_cap_idx_t ref);
1.43 +void _export_fpage(l4_msgtag_t tag, l4_msg_regs_t *mregs, int item, l4_snd_fpage_t fpage);
1.44 +void _export_page(l4_msgtag_t tag, l4_msg_regs_t *mregs, int item, l4_umword_t hot_spot, l4_fpage_t fpage);
1.45 +void _free_expected_capabilities(l4_buf_regs_t *bregs, int number);
1.46 +long _import_capability(l4_msgtag_t tag, l4_buf_regs_t *bregs, l4_msg_regs_t *mregs, int item, l4_cap_idx_t *ref);
1.47 +long _import_dataspace(l4_msgtag_t tag, l4_buf_regs_t *bregs, l4_msg_regs_t *mregs, int item, l4re_ds_t *mem, l4_addr_t *addr);
1.48 +long _import_fpage(l4_msgtag_t tag, l4_buf_regs_t *bregs, l4_msg_regs_t *mregs, int item, l4_snd_fpage_t *fpage);
1.49 +
1.50 +/* Convenience operations. */
1.51 +
1.52 +l4_msgtag_t util_ipc_reply(l4_msgtag_t tag);
1.53 +l4_msgtag_t util_ipc_request(l4_msgtag_t tag, l4_cap_idx_t endpoint);
1.54 +l4_msgtag_t util_ipc_send(l4_msgtag_t tag, l4_cap_idx_t endpoint);
1.55 +
1.56 +EXTERN_C_END