01491d291e
Introduce 2 new API functions, one for the VF and the other for PF [per-VF] which allows to decide whether to use HW/SW channel for PF<->VF communication(a per-VF configuration). A HyperV might have different VMs with different requirements. Signed-off-by: Rasesh Mody <rasesh.mody@cavium.com>
324 lines
8.3 KiB
C
324 lines
8.3 KiB
C
/*
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* Copyright (c) 2016 QLogic Corporation.
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* All rights reserved.
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* www.qlogic.com
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*
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* See LICENSE.qede_pmd for copyright and licensing details.
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*/
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#ifndef __ECORE_VF_H__
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#define __ECORE_VF_H__
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#include "ecore_status.h"
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#include "ecore_vf_api.h"
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#include "ecore_l2_api.h"
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#include "ecore_vfpf_if.h"
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/* Default number of CIDs [total of both Rx and Tx] to be requested
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* by default.
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*/
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#define ECORE_ETH_VF_DEFAULT_NUM_CIDS (32)
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/* This data is held in the ecore_hwfn structure for VFs only. */
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struct ecore_vf_iov {
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union vfpf_tlvs *vf2pf_request;
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dma_addr_t vf2pf_request_phys;
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union pfvf_tlvs *pf2vf_reply;
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dma_addr_t pf2vf_reply_phys;
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/* Should be taken whenever the mailbox buffers are accessed */
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osal_mutex_t mutex;
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u8 *offset;
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/* Bulletin Board */
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struct ecore_bulletin bulletin;
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struct ecore_bulletin_content bulletin_shadow;
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/* we set aside a copy of the acquire response */
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struct pfvf_acquire_resp_tlv acquire_resp;
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/* In case PF originates prior to the fp-hsi version comparison,
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* this has to be propagated as it affects the fastpath.
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*/
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bool b_pre_fp_hsi;
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/* Current day VFs are passing the SBs physical address on vport
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* start, and as they lack an IGU mapping they need to store the
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* addresses of previously registered SBs.
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* Even if we were to change configuration flow, due to backward
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* compatibility [with older PFs] we'd still need to store these.
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*/
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struct ecore_sb_info *sbs_info[PFVF_MAX_SBS_PER_VF];
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#ifdef CONFIG_ECORE_SW_CHANNEL
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/* Would be set if the VF is to try communicating with it PF
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* using a hw channel.
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*/
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bool b_hw_channel;
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#endif
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/* Determines whether VF utilizes doorbells via limited register
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* bar or via the doorbell bar.
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*/
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bool b_doorbell_bar;
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};
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/**
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* @brief VF - Get coalesce per VF's relative queue.
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*
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* @param p_hwfn
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* @param p_coal - coalesce value in micro second for VF queues.
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* @param p_cid - queue cid
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*
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**/
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enum _ecore_status_t ecore_vf_pf_get_coalesce(struct ecore_hwfn *p_hwfn,
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u16 *p_coal,
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struct ecore_queue_cid *p_cid);
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/**
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* @brief VF - Set Rx/Tx coalesce per VF's relative queue.
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* Coalesce value '0' will omit the configuration.
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*
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* @param p_hwfn
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* @param rx_coal - coalesce value in micro second for rx queue
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* @param tx_coal - coalesce value in micro second for tx queue
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* @param p_cid - queue cid
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*
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**/
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enum _ecore_status_t ecore_vf_pf_set_coalesce(struct ecore_hwfn *p_hwfn,
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u16 rx_coal, u16 tx_coal,
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struct ecore_queue_cid *p_cid);
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#ifdef CONFIG_ECORE_SRIOV
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/**
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* @brief hw preparation for VF
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* sends ACQUIRE message
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*
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* @param p_hwfn
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*
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* @return enum _ecore_status_t
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*/
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enum _ecore_status_t ecore_vf_hw_prepare(struct ecore_hwfn *p_hwfn);
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/**
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* @brief VF - start the RX Queue by sending a message to the PF
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*
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* @param p_hwfn
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* @param p_cid - Only relative fields are relevant
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* @param bd_max_bytes - maximum number of bytes per bd
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* @param bd_chain_phys_addr - physical address of bd chain
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* @param cqe_pbl_addr - physical address of pbl
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* @param cqe_pbl_size - pbl size
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* @param pp_prod - pointer to the producer to be
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* used in fasthpath
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*
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* @return enum _ecore_status_t
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*/
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enum _ecore_status_t ecore_vf_pf_rxq_start(struct ecore_hwfn *p_hwfn,
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struct ecore_queue_cid *p_cid,
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u16 bd_max_bytes,
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dma_addr_t bd_chain_phys_addr,
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dma_addr_t cqe_pbl_addr,
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u16 cqe_pbl_size,
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void OSAL_IOMEM **pp_prod);
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/**
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* @brief VF - start the TX queue by sending a message to the
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* PF.
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*
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* @param p_hwfn
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* @param p_cid
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* @param bd_chain_phys_addr - physical address of tx chain
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* @param pp_doorbell - pointer to address to which to
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* write the doorbell too..
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*
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* @return enum _ecore_status_t
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*/
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enum _ecore_status_t
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ecore_vf_pf_txq_start(struct ecore_hwfn *p_hwfn,
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struct ecore_queue_cid *p_cid,
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dma_addr_t pbl_addr, u16 pbl_size,
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void OSAL_IOMEM **pp_doorbell);
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/**
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* @brief VF - stop the RX queue by sending a message to the PF
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*
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* @param p_hwfn
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* @param p_cid
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* @param cqe_completion
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*
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* @return enum _ecore_status_t
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*/
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enum _ecore_status_t ecore_vf_pf_rxq_stop(struct ecore_hwfn *p_hwfn,
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struct ecore_queue_cid *p_cid,
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bool cqe_completion);
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/**
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* @brief VF - stop the TX queue by sending a message to the PF
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*
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* @param p_hwfn
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* @param p_cid
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*
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* @return enum _ecore_status_t
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*/
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enum _ecore_status_t ecore_vf_pf_txq_stop(struct ecore_hwfn *p_hwfn,
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struct ecore_queue_cid *p_cid);
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/* TODO - fix all the !SRIOV prototypes */
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#ifndef LINUX_REMOVE
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/**
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* @brief VF - update the RX queue by sending a message to the
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* PF
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*
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* @param p_hwfn
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* @param pp_cid - list of queue-cids which we want to update
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* @param num_rxqs
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* @param comp_cqe_flg
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* @param comp_event_flg
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*
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* @return enum _ecore_status_t
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*/
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enum _ecore_status_t ecore_vf_pf_rxqs_update(struct ecore_hwfn *p_hwfn,
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struct ecore_queue_cid **pp_cid,
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u8 num_rxqs,
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u8 comp_cqe_flg,
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u8 comp_event_flg);
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#endif
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/**
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* @brief VF - send a vport update command
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*
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* @param p_hwfn
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* @param params
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*
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* @return enum _ecore_status_t
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*/
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enum _ecore_status_t
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ecore_vf_pf_vport_update(struct ecore_hwfn *p_hwfn,
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struct ecore_sp_vport_update_params *p_params);
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/**
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* @brief VF - send a close message to PF
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*
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* @param p_hwfn
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*
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* @return enum _ecore_status
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*/
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enum _ecore_status_t ecore_vf_pf_reset(struct ecore_hwfn *p_hwfn);
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/**
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* @brief VF - free vf`s memories
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*
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* @param p_hwfn
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*
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* @return enum _ecore_status
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*/
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enum _ecore_status_t ecore_vf_pf_release(struct ecore_hwfn *p_hwfn);
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/**
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* @brief ecore_vf_get_igu_sb_id - Get the IGU SB ID for a given
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* sb_id. For VFs igu sbs don't have to be contiguous
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*
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* @param p_hwfn
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* @param sb_id
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*
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* @return INLINE u16
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*/
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u16 ecore_vf_get_igu_sb_id(struct ecore_hwfn *p_hwfn,
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u16 sb_id);
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/**
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* @brief Stores [or removes] a configured sb_info.
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*
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* @param p_hwfn
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* @param sb_id - zero-based SB index [for fastpath]
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* @param sb_info - may be OSAL_NULL [during removal].
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*/
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void ecore_vf_set_sb_info(struct ecore_hwfn *p_hwfn,
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u16 sb_id, struct ecore_sb_info *p_sb);
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/**
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* @brief ecore_vf_pf_vport_start - perform vport start for VF.
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*
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* @param p_hwfn
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* @param vport_id
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* @param mtu
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* @param inner_vlan_removal
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* @param tpa_mode
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* @param max_buffers_per_cqe,
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* @param only_untagged - default behavior regarding vlan acceptance
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*
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* @return enum _ecore_status
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*/
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enum _ecore_status_t ecore_vf_pf_vport_start(
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struct ecore_hwfn *p_hwfn,
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u8 vport_id,
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u16 mtu,
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u8 inner_vlan_removal,
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enum ecore_tpa_mode tpa_mode,
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u8 max_buffers_per_cqe,
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u8 only_untagged);
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/**
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* @brief ecore_vf_pf_vport_stop - stop the VF's vport
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*
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* @param p_hwfn
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*
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* @return enum _ecore_status
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*/
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enum _ecore_status_t ecore_vf_pf_vport_stop(struct ecore_hwfn *p_hwfn);
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enum _ecore_status_t ecore_vf_pf_filter_ucast(
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struct ecore_hwfn *p_hwfn,
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struct ecore_filter_ucast *p_param);
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void ecore_vf_pf_filter_mcast(struct ecore_hwfn *p_hwfn,
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struct ecore_filter_mcast *p_filter_cmd);
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/**
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* @brief ecore_vf_pf_int_cleanup - clean the SB of the VF
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*
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* @param p_hwfn
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*
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* @return enum _ecore_status
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*/
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enum _ecore_status_t ecore_vf_pf_int_cleanup(struct ecore_hwfn *p_hwfn);
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/**
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* @brief - return the link params in a given bulletin board
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*
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* @param p_params - pointer to a struct to fill with link params
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* @param p_bulletin
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*/
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void __ecore_vf_get_link_params(struct ecore_mcp_link_params *p_params,
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struct ecore_bulletin_content *p_bulletin);
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/**
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* @brief - return the link state in a given bulletin board
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*
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* @param p_link - pointer to a struct to fill with link state
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* @param p_bulletin
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*/
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void __ecore_vf_get_link_state(struct ecore_mcp_link_state *p_link,
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struct ecore_bulletin_content *p_bulletin);
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/**
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* @brief - return the link capabilities in a given bulletin board
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*
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* @param p_link - pointer to a struct to fill with link capabilities
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* @param p_bulletin
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*/
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void __ecore_vf_get_link_caps(struct ecore_mcp_link_capabilities *p_link_caps,
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struct ecore_bulletin_content *p_bulletin);
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enum _ecore_status_t
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ecore_vf_pf_tunnel_param_update(struct ecore_hwfn *p_hwfn,
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struct ecore_tunnel_info *p_tunn);
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void ecore_vf_set_vf_start_tunn_update_param(struct ecore_tunnel_info *p_tun);
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u32 ecore_vf_hw_bar_size(struct ecore_hwfn *p_hwfn,
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enum BAR_ID bar_id);
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#endif
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#endif /* __ECORE_VF_H__ */
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