ceph/src/seastar/dpdk/drivers/bus/fslmc/fslmc_vfio.h

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright (c) 2015-2016 Freescale Semiconductor, Inc. All rights reserved.
   5  *   Copyright (c) 2016 NXP. All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Freescale Semiconductor, Inc nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #ifndef _FSLMC_VFIO_H_
  35 #define _FSLMC_VFIO_H_
  36
  37 #include "eal_vfio.h"
  38
  39 #define DPAA2_VENDOR_ID         0x1957
  40 #define DPAA2_MC_DPNI_DEVID     7
  41 #define DPAA2_MC_DPSECI_DEVID   3
  42
  43 #define VFIO_MAX_GRP 1
  44
  45 typedef struct fslmc_vfio_device {
  46         int fd; /* fslmc root container device ?? */
  47         int index; /*index of child object */
  48         struct fslmc_vfio_device *child; /* Child object */
  49 } fslmc_vfio_device;
  50
  51 typedef struct fslmc_vfio_group {
  52         int fd; /* /dev/vfio/"groupid" */
  53         int groupid;
  54         struct fslmc_vfio_container *container;
  55         int object_index;
  56         struct fslmc_vfio_device *vfio_device;
  57 } fslmc_vfio_group;
  58
  59 typedef struct fslmc_vfio_container {
  60         int fd; /* /dev/vfio/vfio */
  61         int used;
  62         int index; /* index in group list */
  63         struct fslmc_vfio_group *group_list[VFIO_MAX_GRP];
  64 } fslmc_vfio_container;
  65
  66 int vfio_dmamap_mem_region(
  67         uint64_t vaddr,
  68         uint64_t iova,
  69         uint64_t size);
  70
  71 int fslmc_vfio_setup_group(void);
  72 int fslmc_vfio_process_group(void);
  73 int rte_fslmc_vfio_dmamap(void);
  74
  75 /* create dpio device */
  76 int dpaa2_create_dpio_device(struct fslmc_vfio_device *vdev,
  77                              struct vfio_device_info *obj_info,
  78                              int object_id);
  79
  80 int dpaa2_create_dpbp_device(int dpbp_id);
  81
  82 #endif /* _FSLMC_VFIO_H_ */