mirror of
https://github.com/xen-project/xen.git
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Oleksandr Andrushchenko
ee8105cabc
Add support for Linux grant device driver extension which allows converting existing dma-buf's into an array of grant references and vise versa. This is only implemented for Linux as other OSes have no Linux dma-buf support. Bump gnttab library minor version to 3. Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com> Acked-by: Wei Liu <wei.liu2@citrix.com>
122 lines
3.2 KiB
C
122 lines
3.2 KiB
C
/******************************************************************************
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*
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* Copyright (c) 2007-2008, D G Murray <Derek.Murray@cl.cam.ac.uk>
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* Copyright (c) 2018, Oleksandr Andrushchenko, EPAM Systems Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; If not, see <http://www.gnu.org/licenses/>.
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*
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* Split out from xc_gnttab.c
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*/
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#include <stdlib.h>
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#include "private.h"
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xengnttab_handle *xengnttab_open(xentoollog_logger *logger, unsigned open_flags)
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{
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return NULL;
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}
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int xengnttab_close(xengnttab_handle *xgt)
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{
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return 0;
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}
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int xengnttab_set_max_grants(xengnttab_handle *xgt, uint32_t count)
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{
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abort();
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}
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void *xengnttab_map_grant_ref(xengnttab_handle *xgt,
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uint32_t domid,
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uint32_t ref,
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int prot)
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{
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abort();
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}
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void *xengnttab_map_grant_refs(xengnttab_handle *xgt,
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uint32_t count,
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uint32_t *domids,
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uint32_t *refs,
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int prot)
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{
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abort();
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}
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void *xengnttab_map_domain_grant_refs(xengnttab_handle *xgt,
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uint32_t count,
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uint32_t domid,
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uint32_t *refs,
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int prot)
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{
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abort();
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}
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void *xengnttab_map_grant_ref_notify(xengnttab_handle *xgt,
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uint32_t domid,
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uint32_t ref,
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int prot,
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uint32_t notify_offset,
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evtchn_port_t notify_port)
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{
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abort();
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}
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int xengnttab_unmap(xengnttab_handle *xgt, void *start_address, uint32_t count)
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{
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abort();
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}
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int xengnttab_grant_copy(xengnttab_handle *xgt,
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uint32_t count,
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xengnttab_grant_copy_segment_t *segs)
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{
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abort();
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}
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int xengnttab_dmabuf_exp_from_refs(xengnttab_handle *xgt, uint32_t domid,
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uint32_t flags, uint32_t count,
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const uint32_t *refs, uint32_t *fd)
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{
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abort();
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}
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int xengnttab_dmabuf_exp_wait_released(xengnttab_handle *xgt, uint32_t fd,
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uint32_t wait_to_ms)
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{
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abort();
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}
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int xengnttab_dmabuf_imp_to_refs(xengnttab_handle *xgt, uint32_t domid,
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uint32_t fd, uint32_t count, uint32_t *refs)
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{
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abort();
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}
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int xengnttab_dmabuf_imp_release(xengnttab_handle *xgt, uint32_t fd)
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{
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abort();
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}
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/*
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* Local variables:
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* mode: C
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* c-file-style: "BSD"
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* c-basic-offset: 4
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* tab-width: 4
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* indent-tabs-mode: nil
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* End:
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*/
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