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107 lines
2.8 KiB
107 lines
2.8 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* Copyright (C) 2021, Intel Corporation. */ |
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#ifndef _IIDC_H_ |
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#define _IIDC_H_ |
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#include <linux/auxiliary_bus.h> |
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#include <linux/dcbnl.h> |
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#include <linux/device.h> |
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#include <linux/if_ether.h> |
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#include <linux/kernel.h> |
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#include <linux/netdevice.h> |
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enum iidc_event_type { |
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IIDC_EVENT_BEFORE_MTU_CHANGE, |
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IIDC_EVENT_AFTER_MTU_CHANGE, |
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IIDC_EVENT_BEFORE_TC_CHANGE, |
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IIDC_EVENT_AFTER_TC_CHANGE, |
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IIDC_EVENT_CRIT_ERR, |
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IIDC_EVENT_NBITS /* must be last */ |
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}; |
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enum iidc_reset_type { |
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IIDC_PFR, |
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IIDC_CORER, |
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IIDC_GLOBR, |
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}; |
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enum iidc_rdma_protocol { |
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IIDC_RDMA_PROTOCOL_IWARP = BIT(0), |
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IIDC_RDMA_PROTOCOL_ROCEV2 = BIT(1), |
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}; |
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#define IIDC_MAX_USER_PRIORITY 8 |
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#define IIDC_MAX_DSCP_MAPPING 64 |
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#define IIDC_DSCP_PFC_MODE 0x1 |
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/* Struct to hold per RDMA Qset info */ |
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struct iidc_rdma_qset_params { |
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/* Qset TEID returned to the RDMA driver in |
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* ice_add_rdma_qset and used by RDMA driver |
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* for calls to ice_del_rdma_qset |
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*/ |
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u32 teid; /* Qset TEID */ |
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u16 qs_handle; /* RDMA driver provides this */ |
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u16 vport_id; /* VSI index */ |
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u8 tc; /* TC branch the Qset should belong to */ |
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}; |
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struct iidc_qos_info { |
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u64 tc_ctx; |
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u8 rel_bw; |
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u8 prio_type; |
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u8 egress_virt_up; |
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u8 ingress_virt_up; |
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}; |
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/* Struct to pass QoS info */ |
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struct iidc_qos_params { |
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struct iidc_qos_info tc_info[IEEE_8021QAZ_MAX_TCS]; |
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u8 up2tc[IIDC_MAX_USER_PRIORITY]; |
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u8 vport_relative_bw; |
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u8 vport_priority_type; |
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u8 num_tc; |
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u8 pfc_mode; |
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u8 dscp_map[IIDC_MAX_DSCP_MAPPING]; |
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}; |
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struct iidc_event { |
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DECLARE_BITMAP(type, IIDC_EVENT_NBITS); |
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u32 reg; |
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}; |
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struct ice_pf; |
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int ice_add_rdma_qset(struct ice_pf *pf, struct iidc_rdma_qset_params *qset); |
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int ice_del_rdma_qset(struct ice_pf *pf, struct iidc_rdma_qset_params *qset); |
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int ice_rdma_request_reset(struct ice_pf *pf, enum iidc_reset_type reset_type); |
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int ice_rdma_update_vsi_filter(struct ice_pf *pf, u16 vsi_id, bool enable); |
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void ice_get_qos_params(struct ice_pf *pf, struct iidc_qos_params *qos); |
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/* Structure representing auxiliary driver tailored information about the core |
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* PCI dev, each auxiliary driver using the IIDC interface will have an |
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* instance of this struct dedicated to it. |
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*/ |
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struct iidc_auxiliary_dev { |
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struct auxiliary_device adev; |
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struct ice_pf *pf; |
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}; |
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/* structure representing the auxiliary driver. This struct is to be |
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* allocated and populated by the auxiliary driver's owner. The core PCI |
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* driver will access these ops by performing a container_of on the |
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* auxiliary_device->dev.driver. |
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*/ |
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struct iidc_auxiliary_drv { |
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struct auxiliary_driver adrv; |
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/* This event_handler is meant to be a blocking call. For instance, |
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* when a BEFORE_MTU_CHANGE event comes in, the event_handler will not |
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* return until the auxiliary driver is ready for the MTU change to |
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* happen. |
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*/ |
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void (*event_handler)(struct ice_pf *pf, struct iidc_event *event); |
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}; |
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#endif /* _IIDC_H_*/
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