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/*
* Copyright (c) 2018 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef included_vlib_linux_vfio_h
#define included_vlib_linux_vfio_h
typedef struct
{
int group;
int fd;
int refcnt;
} linux_pci_vfio_iommu_group_t;
typedef struct
{
int container_fd;
/* VFIO */
int iommu_mode;
/* pool of IOMMU groups */
linux_pci_vfio_iommu_group_t *iommu_groups;
/* iommu group pool index by group id hash */
uword *iommu_pool_index_by_group;
clib_bitmap_t *physmem_pages_mapped;
/* logging */
vlib_log_class_t log_default;
} linux_vfio_main_t;
extern linux_vfio_main_t vfio_main;
clib_error_t *linux_vfio_init (vlib_main_t * vm);
clib_error_t *vfio_map_physmem_page (vlib_main_t * vm, void *addr);
clib_error_t *linux_vfio_group_get_device_fd (vlib_pci_addr_t * addr,
int *fd, int *is_noiommu);
#endif /* included_vlib_linux_vfio_h */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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