dpdk/drivers/bus/fslmc/fslmc_vfio.h
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   1/* SPDX-License-Identifier: BSD-3-Clause
   2 *
   3 *   Copyright (c) 2015-2016 Freescale Semiconductor, Inc. All rights reserved.
   4 *   Copyright 2016,2019 NXP
   5 *
   6 */
   7
   8#ifndef _FSLMC_VFIO_H_
   9#define _FSLMC_VFIO_H_
  10
  11#include <rte_compat.h>
  12#include <rte_vfio.h>
  13
  14/* Pathname of FSL-MC devices directory. */
  15#define SYSFS_FSL_MC_DEVICES    "/sys/bus/fsl-mc/devices"
  16#define DPAA2_MC_DPNI_DEVID     7
  17#define DPAA2_MC_DPSECI_DEVID   3
  18#define DPAA2_MC_DPCON_DEVID    5
  19#define DPAA2_MC_DPIO_DEVID     9
  20#define DPAA2_MC_DPBP_DEVID     10
  21#define DPAA2_MC_DPCI_DEVID     11
  22
  23typedef struct fslmc_vfio_device {
  24        int fd; /* fslmc root container device ?? */
  25        int index; /*index of child object */
  26        struct fslmc_vfio_device *child; /* Child object */
  27} fslmc_vfio_device;
  28
  29typedef struct fslmc_vfio_group {
  30        int fd; /* /dev/vfio/"groupid" */
  31        int groupid;
  32        struct fslmc_vfio_container *container;
  33        int object_index;
  34        struct fslmc_vfio_device *vfio_device;
  35} fslmc_vfio_group;
  36
  37typedef struct fslmc_vfio_container {
  38        int fd; /* /dev/vfio/vfio */
  39        int used;
  40        int index; /* index in group list */
  41        struct fslmc_vfio_group *group;
  42} fslmc_vfio_container;
  43
  44extern char *fslmc_container;
  45
  46__rte_internal
  47int rte_dpaa2_intr_enable(struct rte_intr_handle *intr_handle, int index);
  48
  49__rte_internal
  50int rte_dpaa2_intr_disable(struct rte_intr_handle *intr_handle, int index);
  51
  52int rte_dpaa2_vfio_setup_intr(struct rte_intr_handle *intr_handle,
  53                              int vfio_dev_fd,
  54                              int num_irqs);
  55
  56int fslmc_vfio_setup_group(void);
  57int fslmc_vfio_process_group(void);
  58char *fslmc_get_container(void);
  59int fslmc_get_container_group(int *gropuid);
  60int rte_fslmc_vfio_dmamap(void);
  61__rte_experimental
  62int rte_fslmc_vfio_mem_dmamap(uint64_t vaddr, uint64_t iova, uint64_t size);
  63
  64#endif /* _FSLMC_VFIO_H_ */
  65