f6af0de58e
There are muliple help mc object, which are not an independent device, but they are required for dpaa2 based devices. This framework allows registration and handling of all such mc devices. Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com> Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com>
120 lines
3.9 KiB
C
120 lines
3.9 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright (c) 2015-2016 Freescale Semiconductor, Inc. All rights reserved.
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* Copyright (c) 2016 NXP. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Freescale Semiconductor, Inc nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _FSLMC_VFIO_H_
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#define _FSLMC_VFIO_H_
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#include "eal_vfio.h"
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#define DPAA2_VENDOR_ID 0x1957
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#define DPAA2_MC_DPNI_DEVID 7
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#define DPAA2_MC_DPSECI_DEVID 3
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#define VFIO_MAX_GRP 1
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typedef struct fslmc_vfio_device {
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int fd; /* fslmc root container device ?? */
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int index; /*index of child object */
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struct fslmc_vfio_device *child; /* Child object */
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} fslmc_vfio_device;
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typedef struct fslmc_vfio_group {
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int fd; /* /dev/vfio/"groupid" */
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int groupid;
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struct fslmc_vfio_container *container;
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int object_index;
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struct fslmc_vfio_device *vfio_device;
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} fslmc_vfio_group;
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typedef struct fslmc_vfio_container {
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int fd; /* /dev/vfio/vfio */
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int used;
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int index; /* index in group list */
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struct fslmc_vfio_group *group_list[VFIO_MAX_GRP];
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} fslmc_vfio_container;
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struct rte_dpaa2_object;
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TAILQ_HEAD(rte_fslmc_object_list, rte_dpaa2_object);
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typedef int (*rte_fslmc_obj_create_t)(struct fslmc_vfio_device *vdev,
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struct vfio_device_info *obj_info,
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int object_id);
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/**
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* A structure describing a DPAA2 driver.
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*/
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struct rte_dpaa2_object {
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TAILQ_ENTRY(rte_dpaa2_object) next; /**< Next in list. */
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const char *name; /**< Name of Object. */
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uint16_t object_id; /**< DPAA2 Object ID */
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rte_fslmc_obj_create_t create;
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};
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int vfio_dmamap_mem_region(
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uint64_t vaddr,
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uint64_t iova,
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uint64_t size);
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int fslmc_vfio_setup_group(void);
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int fslmc_vfio_process_group(void);
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int rte_fslmc_vfio_dmamap(void);
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/* create dpio device */
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int dpaa2_create_dpio_device(struct fslmc_vfio_device *vdev,
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struct vfio_device_info *obj_info,
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int object_id);
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int dpaa2_create_dpbp_device(int dpbp_id);
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/**
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* Register a DPAA2 MC Object driver.
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*
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* @param mc_object
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* A pointer to a rte_dpaa_object structure describing the mc object
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* to be registered.
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*/
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void rte_fslmc_object_register(struct rte_dpaa2_object *object);
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/** Helper for DPAA2 object registration */
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#define RTE_PMD_REGISTER_DPAA2_OBJECT(nm, dpaa2_obj) \
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RTE_INIT(dpaa2objinitfn_ ##nm); \
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static void dpaa2objinitfn_ ##nm(void) \
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{\
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(dpaa2_obj).name = RTE_STR(nm);\
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rte_fslmc_object_register(&dpaa2_obj); \
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} \
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RTE_PMD_EXPORT_NAME(nm, __COUNTER__)
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#endif /* _FSLMC_VFIO_H_ */
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