linux/drivers/net/ethernet/intel/ice/ice_idc.c

// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2021, Intel Corporation. */

/* Inter-Driver Communication */
#include "ice.h"
#include "ice_lib.h"
#include "ice_dcb_lib.h"

static DEFINE_XARRAY_ALLOC1(ice_aux_id);

/**
 * ice_get_auxiliary_drv - retrieve iidc_auxiliary_drv struct
 * @pf: pointer to PF struct
 *
 * This function has to be called with a device_lock on the
 * pf->adev.dev to avoid race conditions.
 */
static struct iidc_auxiliary_drv *ice_get_auxiliary_drv(struct ice_pf *pf)
{ … }

/**
 * ice_send_event_to_aux - send event to RDMA AUX driver
 * @pf: pointer to PF struct
 * @event: event struct
 */
void ice_send_event_to_aux(struct ice_pf *pf, struct iidc_event *event)
{ … }

/**
 * ice_add_rdma_qset - Add Leaf Node for RDMA Qset
 * @pf: PF struct
 * @qset: Resource to be allocated
 */
int ice_add_rdma_qset(struct ice_pf *pf, struct iidc_rdma_qset_params *qset)
{ … }
EXPORT_SYMBOL_GPL(…);

/**
 * ice_del_rdma_qset - Delete leaf node for RDMA Qset
 * @pf: PF struct
 * @qset: Resource to be freed
 */
int ice_del_rdma_qset(struct ice_pf *pf, struct iidc_rdma_qset_params *qset)
{ … }
EXPORT_SYMBOL_GPL(…);

/**
 * ice_rdma_request_reset - accept request from RDMA to perform a reset
 * @pf: struct for PF
 * @reset_type: type of reset
 */
int ice_rdma_request_reset(struct ice_pf *pf, enum iidc_reset_type reset_type)
{ … }
EXPORT_SYMBOL_GPL(…);

/**
 * ice_rdma_update_vsi_filter - update main VSI filters for RDMA
 * @pf: pointer to struct for PF
 * @vsi_id: VSI HW idx to update filter on
 * @enable: bool whether to enable or disable filters
 */
int ice_rdma_update_vsi_filter(struct ice_pf *pf, u16 vsi_id, bool enable)
{ … }
EXPORT_SYMBOL_GPL(…);

/**
 * ice_get_qos_params - parse QoS params for RDMA consumption
 * @pf: pointer to PF struct
 * @qos: set of QoS values
 */
void ice_get_qos_params(struct ice_pf *pf, struct iidc_qos_params *qos)
{ … }
EXPORT_SYMBOL_GPL(…);

/**
 * ice_alloc_rdma_qvectors - Allocate vector resources for RDMA driver
 * @pf: board private structure to initialize
 */
static int ice_alloc_rdma_qvectors(struct ice_pf *pf)
{ … }

/**
 * ice_free_rdma_qvector - free vector resources reserved for RDMA driver
 * @pf: board private structure to initialize
 */
static void ice_free_rdma_qvector(struct ice_pf *pf)
{ … }

/**
 * ice_adev_release - function to be mapped to AUX dev's release op
 * @dev: pointer to device to free
 */
static void ice_adev_release(struct device *dev)
{ … }

/**
 * ice_plug_aux_dev - allocate and register AUX device
 * @pf: pointer to pf struct
 */
int ice_plug_aux_dev(struct ice_pf *pf)
{ … }

/* ice_unplug_aux_dev - unregister and free AUX device
 * @pf: pointer to pf struct
 */
void ice_unplug_aux_dev(struct ice_pf *pf)
{ … }

/**
 * ice_init_rdma - initializes PF for RDMA use
 * @pf: ptr to ice_pf
 */
int ice_init_rdma(struct ice_pf *pf)
{ … }

/**
 * ice_deinit_rdma - deinitialize RDMA on PF
 * @pf: ptr to ice_pf
 */
void ice_deinit_rdma(struct ice_pf *pf)
{ … }