cc6920a476
Part of #2256 * accessible * activation * additional * allocate * association * attempt * barrier * broadcast * buffer * calculate * cases * channel * children * command * completion * connect * copied * currently * descriptor * destroy * detachment * doesn't * enqueueing * exceeds * execution * extended * fallback * finalize * first * handling * hugepages * ignored * implementation * in_capsule * initialization * initialized * initializing * initiator * negotiated * notification * occurred * original * outstanding * partially * partition * processing * receive * received * receiving * redirected * regions * request * requested * response * retrieved * running * satisfied * should * snapshot * status * succeeds * successfully * supplied * those * transferred * translate * triggering * unregister * unsupported * urlsafe * virtqueue * volumes * workaround * zeroed Change-Id: I569218754bd9d332ba517d4a61ad23d29eedfd0c Signed-off-by: Josh Soref <jsoref@gmail.com> Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/10405 Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com> Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
98 lines
3.2 KiB
C
98 lines
3.2 KiB
C
/*-
|
|
* BSD LICENSE
|
|
*
|
|
* Copyright (c) Intel Corporation. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* * Neither the name of Intel Corporation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef _VFIO_INTERNAL_H
|
|
#define _VFIO_INTERNAL_H
|
|
|
|
#include <linux/vfio.h>
|
|
#include "spdk/vfio_user_spec.h"
|
|
|
|
#define VFIO_USER_MAJOR_VER 0
|
|
#define VFIO_USER_MINOR_VER 1
|
|
|
|
/* Maximum memory regions supported */
|
|
#define VFIO_MAXIMUM_MEMORY_REGIONS 128
|
|
/* Maximum sparse memory regions in one BAR region */
|
|
#define VFIO_MAXIMUM_SPARSE_MMAP_REGIONS 8
|
|
|
|
struct vfio_memory_region {
|
|
uint64_t iova;
|
|
uint64_t size; /* bytes */
|
|
uint64_t vaddr;
|
|
uint64_t offset;
|
|
int fd;
|
|
TAILQ_ENTRY(vfio_memory_region) link;
|
|
};
|
|
|
|
struct vfio_sparse_mmaps {
|
|
void *mem;
|
|
uint64_t offset;
|
|
size_t size;
|
|
};
|
|
|
|
struct vfio_pci_region {
|
|
uint64_t offset;
|
|
size_t size;
|
|
uint64_t flags;
|
|
uint32_t nr_mmaps;
|
|
struct vfio_sparse_mmaps mmaps[VFIO_MAXIMUM_SPARSE_MMAP_REGIONS];
|
|
};
|
|
|
|
struct vfio_device {
|
|
int fd;
|
|
|
|
char name[64];
|
|
char path[PATH_MAX];
|
|
|
|
TAILQ_ENTRY(vfio_device) link;
|
|
|
|
/* PCI Regions */
|
|
uint32_t pci_regions;
|
|
struct vfio_pci_region regions[VFIO_PCI_NUM_REGIONS + 1];
|
|
uint64_t flags;
|
|
|
|
struct spdk_mem_map *map;
|
|
TAILQ_HEAD(, vfio_memory_region) mrs_head;
|
|
uint32_t nr_mrs;
|
|
};
|
|
|
|
int vfio_user_dev_setup(struct vfio_device *dev);
|
|
int vfio_user_get_dev_info(struct vfio_device *dev, struct vfio_user_device_info *dev_info,
|
|
size_t buf_len);
|
|
int vfio_user_get_dev_region_info(struct vfio_device *dev, struct vfio_region_info *region_info,
|
|
size_t buf_len, int *fds, int num_fds);
|
|
int vfio_user_dev_dma_map_unmap(struct vfio_device *dev, struct vfio_memory_region *mr, bool map);
|
|
int vfio_user_dev_mmio_access(struct vfio_device *dev, uint32_t index, uint64_t offset, size_t len,
|
|
void *buf, bool is_write);
|
|
|
|
#endif
|