/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */ /* QLogic qed NIC Driver * Copyright (c) 2015-2017 QLogic Corporation * Copyright (c) 2019-2020 Marvell International Ltd. */ #ifndef _QED_SRIOV_H #define _QED_SRIOV_H #include <linux/types.h> #include "qed_vf.h" #define QED_ETH_VF_NUM_MAC_FILTERS … #define QED_ETH_VF_NUM_VLAN_FILTERS … #define QED_VF_ARRAY_LENGTH … #ifdef CONFIG_QED_SRIOV #define IS_VF(cdev) … #define IS_PF(cdev) … #define IS_PF_SRIOV(p_hwfn) … #else #define IS_VF … #define IS_PF … #define IS_PF_SRIOV … #endif #define IS_PF_SRIOV_ALLOC(p_hwfn) … #define QED_MAX_VF_CHAINS_PER_PF … #define QED_ETH_MAX_VF_NUM_VLAN_FILTERS … enum qed_iov_vport_update_flag { … }; struct qed_public_vf_info { … }; struct qed_iov_vf_init_params { … }; /* This struct is part of qed_dev and contains data relevant to all hwfns; * Initialized only if SR-IOV cpabability is exposed in PCIe config space. */ struct qed_hw_sriov_info { … }; /* This mailbox is maintained per VF in its PF contains all information * required for sending / receiving a message. */ struct qed_iov_vf_mbx { … }; #define QED_IOV_LEGACY_QID_RX … #define QED_IOV_LEGACY_QID_TX … #define QED_IOV_QID_INVALID … struct qed_vf_queue_cid { … }; /* Describes a qzone associated with the VF */ struct qed_vf_queue { … }; enum vf_state { … }; struct qed_vf_vlan_shadow { … }; struct qed_vf_shadow_config { … }; /* PFs maintain an array of this structure, per VF */ struct qed_vf_info { … }; /* This structure is part of qed_hwfn and used only for PFs that have sriov * capability enabled. */ struct qed_pf_iov { … }; enum qed_iov_wq_flag { … }; extern const struct qed_iov_hv_ops qed_iov_ops_pass; #ifdef CONFIG_QED_SRIOV /** * qed_iov_is_valid_vfid(): Check if given VF ID @vfid is valid * w.r.t. @b_enabled_only value * if b_enabled_only = true - only enabled * VF id is valid. * else any VF id less than max_vfs is valid. * * @p_hwfn: HW device data. * @rel_vf_id: Relative VF ID. * @b_enabled_only: consider only enabled VF. * @b_non_malicious: true iff we want to validate vf isn't malicious. * * Return: bool - true for valid VF ID */ bool qed_iov_is_valid_vfid(struct qed_hwfn *p_hwfn, int rel_vf_id, bool b_enabled_only, bool b_non_malicious); /** * qed_iov_get_next_active_vf(): Given a VF index, return index of * next [including that] active VF. * * @p_hwfn: HW device data. * @rel_vf_id: VF ID. * * Return: MAX_NUM_VFS in case no further active VFs, otherwise index. */ u16 qed_iov_get_next_active_vf(struct qed_hwfn *p_hwfn, u16 rel_vf_id); void qed_iov_bulletin_set_udp_ports(struct qed_hwfn *p_hwfn, int vfid, u16 vxlan_port, u16 geneve_port); /** * qed_iov_hw_info(): Read sriov related information and allocated resources * reads from configuration space, shmem, etc. * * @p_hwfn: HW device data. * * Return: Int. */ int qed_iov_hw_info(struct qed_hwfn *p_hwfn); /** * qed_add_tlv(): place a given tlv on the tlv buffer at next offset * * @p_hwfn: HW device data. * @offset: offset. * @type: Type * @length: Length. * * Return: pointer to the newly placed tlv */ void *qed_add_tlv(struct qed_hwfn *p_hwfn, u8 **offset, u16 type, u16 length); /** * qed_dp_tlv_list(): list the types and lengths of the tlvs on the buffer * * @p_hwfn: HW device data. * @tlvs_list: Tlvs_list. * * Return: Void. */ void qed_dp_tlv_list(struct qed_hwfn *p_hwfn, void *tlvs_list); /** * qed_sriov_vfpf_malicious(): Handle malicious VF/PF. * * @p_hwfn: HW device data. * @p_data: Pointer to data. * * Return: Void. */ void qed_sriov_vfpf_malicious(struct qed_hwfn *p_hwfn, struct fw_err_data *p_data); /** * qed_sriov_eqe_event(): Callback for SRIOV events. * * @p_hwfn: HW device data. * @opcode: Opcode. * @echo: Echo. * @data: data * @fw_return_code: FW return code. * * Return: Int. */ int qed_sriov_eqe_event(struct qed_hwfn *p_hwfn, u8 opcode, __le16 echo, union event_ring_data *data, u8 fw_return_code); /** * qed_iov_alloc(): allocate sriov related resources * * @p_hwfn: HW device data. * * Return: Int. */ int qed_iov_alloc(struct qed_hwfn *p_hwfn); /** * qed_iov_setup(): setup sriov related resources * * @p_hwfn: HW device data. * * Return: Void. */ void qed_iov_setup(struct qed_hwfn *p_hwfn); /** * qed_iov_free(): free sriov related resources * * @p_hwfn: HW device data. * * Return: Void. */ void qed_iov_free(struct qed_hwfn *p_hwfn); /** * qed_iov_free_hw_info(): free sriov related memory that was * allocated during hw_prepare * * @cdev: Qed dev pointer. * * Return: Void. */ void qed_iov_free_hw_info(struct qed_dev *cdev); /** * qed_iov_mark_vf_flr(): Mark structs of vfs that have been FLR-ed. * * @p_hwfn: HW device data. * @disabled_vfs: bitmask of all VFs on path that were FLRed * * Return: true iff one of the PF's vfs got FLRed. false otherwise. */ bool qed_iov_mark_vf_flr(struct qed_hwfn *p_hwfn, u32 *disabled_vfs); /** * qed_iov_search_list_tlvs(): Search extended TLVs in request/reply buffer. * * @p_hwfn: HW device data. * @p_tlvs_list: Pointer to tlvs list * @req_type: Type of TLV * * Return: pointer to tlv type if found, otherwise returns NULL. */ void *qed_iov_search_list_tlvs(struct qed_hwfn *p_hwfn, void *p_tlvs_list, u16 req_type); void qed_iov_wq_stop(struct qed_dev *cdev, bool schedule_first); int qed_iov_wq_start(struct qed_dev *cdev); void qed_schedule_iov(struct qed_hwfn *hwfn, enum qed_iov_wq_flag flag); void qed_vf_start_iov_wq(struct qed_dev *cdev); int qed_sriov_disable(struct qed_dev *cdev, bool pci_enabled); void qed_inform_vf_link_state(struct qed_hwfn *hwfn); #else static inline bool qed_iov_is_valid_vfid(struct qed_hwfn *p_hwfn, int rel_vf_id, bool b_enabled_only, bool b_non_malicious) { return false; } static inline u16 qed_iov_get_next_active_vf(struct qed_hwfn *p_hwfn, u16 rel_vf_id) { return MAX_NUM_VFS; } static inline void qed_iov_bulletin_set_udp_ports(struct qed_hwfn *p_hwfn, int vfid, u16 vxlan_port, u16 geneve_port) { } static inline int qed_iov_hw_info(struct qed_hwfn *p_hwfn) { return 0; } static inline int qed_iov_alloc(struct qed_hwfn *p_hwfn) { return 0; } static inline void qed_iov_setup(struct qed_hwfn *p_hwfn) { } static inline void qed_iov_free(struct qed_hwfn *p_hwfn) { } static inline void qed_iov_free_hw_info(struct qed_dev *cdev) { } static inline bool qed_iov_mark_vf_flr(struct qed_hwfn *p_hwfn, u32 *disabled_vfs) { return false; } static inline void qed_iov_wq_stop(struct qed_dev *cdev, bool schedule_first) { } static inline int qed_iov_wq_start(struct qed_dev *cdev) { return 0; } static inline void qed_schedule_iov(struct qed_hwfn *hwfn, enum qed_iov_wq_flag flag) { } static inline void qed_vf_start_iov_wq(struct qed_dev *cdev) { } static inline int qed_sriov_disable(struct qed_dev *cdev, bool pci_enabled) { return 0; } static inline void qed_inform_vf_link_state(struct qed_hwfn *hwfn) { } static inline void qed_sriov_vfpf_malicious(struct qed_hwfn *p_hwfn, struct fw_err_data *p_data) { } static inline int qed_sriov_eqe_event(struct qed_hwfn *p_hwfn, u8 opcode, __le16 echo, union event_ring_data *data, u8 fw_return_code) { return 0; } #endif #define qed_for_each_vf(_p_hwfn, _i) … #endif
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