502 lines
12 KiB
C
502 lines
12 KiB
C
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/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
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/* QLogic qed NIC Driver
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* Copyright (c) 2015-2017 QLogic Corporation
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* Copyright (c) 2019-2020 Marvell International Ltd.
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*/
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#ifndef _QED_SRIOV_H
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#define _QED_SRIOV_H
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#include <linux/types.h>
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#include "qed_vf.h"
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#define QED_ETH_VF_NUM_MAC_FILTERS 1
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#define QED_ETH_VF_NUM_VLAN_FILTERS 2
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#define QED_VF_ARRAY_LENGTH (3)
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#ifdef CONFIG_QED_SRIOV
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#define IS_VF(cdev) ((cdev)->b_is_vf)
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#define IS_PF(cdev) (!((cdev)->b_is_vf))
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#define IS_PF_SRIOV(p_hwfn) (!!((p_hwfn)->cdev->p_iov_info))
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#else
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#define IS_VF(cdev) (0)
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#define IS_PF(cdev) (1)
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#define IS_PF_SRIOV(p_hwfn) (0)
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#endif
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#define IS_PF_SRIOV_ALLOC(p_hwfn) (!!((p_hwfn)->pf_iov_info))
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#define QED_MAX_VF_CHAINS_PER_PF 16
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#define QED_ETH_MAX_VF_NUM_VLAN_FILTERS \
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(MAX_NUM_VFS * QED_ETH_VF_NUM_VLAN_FILTERS)
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enum qed_iov_vport_update_flag {
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QED_IOV_VP_UPDATE_ACTIVATE,
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QED_IOV_VP_UPDATE_VLAN_STRIP,
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QED_IOV_VP_UPDATE_TX_SWITCH,
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QED_IOV_VP_UPDATE_MCAST,
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QED_IOV_VP_UPDATE_ACCEPT_PARAM,
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QED_IOV_VP_UPDATE_RSS,
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QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN,
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QED_IOV_VP_UPDATE_SGE_TPA,
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QED_IOV_VP_UPDATE_MAX,
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};
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struct qed_public_vf_info {
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/* These copies will later be reflected in the bulletin board,
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* but this copy should be newer.
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*/
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u8 forced_mac[ETH_ALEN];
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u16 forced_vlan;
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u8 mac[ETH_ALEN];
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/* IFLA_VF_LINK_STATE_<X> */
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int link_state;
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/* Currently configured Tx rate in MB/sec. 0 if unconfigured */
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int tx_rate;
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/* Trusted VFs can configure promiscuous mode.
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* Also store shadow promisc configuration if needed.
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*/
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bool is_trusted_configured;
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bool is_trusted_request;
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u8 rx_accept_mode;
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u8 tx_accept_mode;
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bool accept_any_vlan;
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};
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struct qed_iov_vf_init_params {
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u16 rel_vf_id;
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/* Number of requested Queues; Currently, don't support different
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* number of Rx/Tx queues.
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*/
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u16 num_queues;
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/* Allow the client to choose which qzones to use for Rx/Tx,
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* and which queue_base to use for Tx queues on a per-queue basis.
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* Notice values should be relative to the PF resources.
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*/
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u16 req_rx_queue[QED_MAX_VF_CHAINS_PER_PF];
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u16 req_tx_queue[QED_MAX_VF_CHAINS_PER_PF];
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};
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/* This struct is part of qed_dev and contains data relevant to all hwfns;
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* Initialized only if SR-IOV cpabability is exposed in PCIe config space.
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*/
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struct qed_hw_sriov_info {
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int pos; /* capability position */
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int nres; /* number of resources */
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u32 cap; /* SR-IOV Capabilities */
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u16 ctrl; /* SR-IOV Control */
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u16 total_vfs; /* total VFs associated with the PF */
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u16 num_vfs; /* number of vfs that have been started */
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u16 initial_vfs; /* initial VFs associated with the PF */
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u16 nr_virtfn; /* number of VFs available */
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u16 offset; /* first VF Routing ID offset */
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u16 stride; /* following VF stride */
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u16 vf_device_id; /* VF device id */
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u32 pgsz; /* page size for BAR alignment */
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u8 link; /* Function Dependency Link */
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u32 first_vf_in_pf;
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};
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/* This mailbox is maintained per VF in its PF contains all information
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* required for sending / receiving a message.
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*/
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struct qed_iov_vf_mbx {
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union vfpf_tlvs *req_virt;
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dma_addr_t req_phys;
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union pfvf_tlvs *reply_virt;
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dma_addr_t reply_phys;
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/* Address in VF where a pending message is located */
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dma_addr_t pending_req;
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/* Message from VF awaits handling */
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bool b_pending_msg;
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u8 *offset;
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/* saved VF request header */
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struct vfpf_first_tlv first_tlv;
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};
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#define QED_IOV_LEGACY_QID_RX (0)
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#define QED_IOV_LEGACY_QID_TX (1)
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#define QED_IOV_QID_INVALID (0xFE)
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struct qed_vf_queue_cid {
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bool b_is_tx;
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struct qed_queue_cid *p_cid;
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};
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/* Describes a qzone associated with the VF */
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struct qed_vf_queue {
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u16 fw_rx_qid;
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u16 fw_tx_qid;
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struct qed_vf_queue_cid cids[MAX_QUEUES_PER_QZONE];
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};
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enum vf_state {
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VF_FREE = 0, /* VF ready to be acquired holds no resc */
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VF_ACQUIRED, /* VF, acquired, but not initialized */
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VF_ENABLED, /* VF, Enabled */
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VF_RESET, /* VF, FLR'd, pending cleanup */
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VF_STOPPED /* VF, Stopped */
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};
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struct qed_vf_vlan_shadow {
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bool used;
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u16 vid;
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};
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struct qed_vf_shadow_config {
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/* Shadow copy of all guest vlans */
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struct qed_vf_vlan_shadow vlans[QED_ETH_VF_NUM_VLAN_FILTERS + 1];
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/* Shadow copy of all configured MACs; Empty if forcing MACs */
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u8 macs[QED_ETH_VF_NUM_MAC_FILTERS][ETH_ALEN];
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u8 inner_vlan_removal;
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};
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/* PFs maintain an array of this structure, per VF */
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struct qed_vf_info {
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struct qed_iov_vf_mbx vf_mbx;
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enum vf_state state;
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bool b_init;
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bool b_malicious;
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u8 to_disable;
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struct qed_bulletin bulletin;
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dma_addr_t vf_bulletin;
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/* PF saves a copy of the last VF acquire message */
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struct vfpf_acquire_tlv acquire;
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u32 concrete_fid;
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u16 opaque_fid;
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u16 mtu;
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u8 vport_id;
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u8 relative_vf_id;
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u8 abs_vf_id;
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#define QED_VF_ABS_ID(p_hwfn, p_vf) (QED_PATH_ID(p_hwfn) ? \
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(p_vf)->abs_vf_id + MAX_NUM_VFS_BB : \
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(p_vf)->abs_vf_id)
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u8 vport_instance;
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u8 num_rxqs;
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u8 num_txqs;
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u16 rx_coal;
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u16 tx_coal;
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u8 num_sbs;
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u8 num_mac_filters;
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u8 num_vlan_filters;
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struct qed_vf_queue vf_queues[QED_MAX_VF_CHAINS_PER_PF];
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u16 igu_sbs[QED_MAX_VF_CHAINS_PER_PF];
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u8 num_active_rxqs;
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struct qed_public_vf_info p_vf_info;
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bool spoof_chk;
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bool req_spoofchk_val;
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/* Stores the configuration requested by VF */
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struct qed_vf_shadow_config shadow_config;
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/* A bitfield using bulletin's valid-map bits, used to indicate
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* which of the bulletin board features have been configured.
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*/
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u64 configured_features;
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#define QED_IOV_CONFIGURED_FEATURES_MASK ((1 << MAC_ADDR_FORCED) | \
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(1 << VLAN_ADDR_FORCED))
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};
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/* This structure is part of qed_hwfn and used only for PFs that have sriov
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* capability enabled.
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*/
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struct qed_pf_iov {
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struct qed_vf_info vfs_array[MAX_NUM_VFS];
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u64 pending_flr[QED_VF_ARRAY_LENGTH];
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/* Allocate message address continuosuly and split to each VF */
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void *mbx_msg_virt_addr;
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dma_addr_t mbx_msg_phys_addr;
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u32 mbx_msg_size;
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void *mbx_reply_virt_addr;
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dma_addr_t mbx_reply_phys_addr;
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u32 mbx_reply_size;
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void *p_bulletins;
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dma_addr_t bulletins_phys;
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u32 bulletins_size;
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};
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enum qed_iov_wq_flag {
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QED_IOV_WQ_MSG_FLAG,
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QED_IOV_WQ_SET_UNICAST_FILTER_FLAG,
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QED_IOV_WQ_BULLETIN_UPDATE_FLAG,
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QED_IOV_WQ_STOP_WQ_FLAG,
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QED_IOV_WQ_FLR_FLAG,
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QED_IOV_WQ_TRUST_FLAG,
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QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG,
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};
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extern const struct qed_iov_hv_ops qed_iov_ops_pass;
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#ifdef CONFIG_QED_SRIOV
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/**
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* qed_iov_is_valid_vfid(): Check if given VF ID @vfid is valid
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* w.r.t. @b_enabled_only value
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* if b_enabled_only = true - only enabled
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* VF id is valid.
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* else any VF id less than max_vfs is valid.
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*
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* @p_hwfn: HW device data.
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* @rel_vf_id: Relative VF ID.
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* @b_enabled_only: consider only enabled VF.
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* @b_non_malicious: true iff we want to validate vf isn't malicious.
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*
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* Return: bool - true for valid VF ID
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*/
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bool qed_iov_is_valid_vfid(struct qed_hwfn *p_hwfn,
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int rel_vf_id,
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bool b_enabled_only, bool b_non_malicious);
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/**
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* qed_iov_get_next_active_vf(): Given a VF index, return index of
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* next [including that] active VF.
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*
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* @p_hwfn: HW device data.
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* @rel_vf_id: VF ID.
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*
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* Return: MAX_NUM_VFS in case no further active VFs, otherwise index.
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*/
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u16 qed_iov_get_next_active_vf(struct qed_hwfn *p_hwfn, u16 rel_vf_id);
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void qed_iov_bulletin_set_udp_ports(struct qed_hwfn *p_hwfn,
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int vfid, u16 vxlan_port, u16 geneve_port);
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/**
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* qed_iov_hw_info(): Read sriov related information and allocated resources
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* reads from configuration space, shmem, etc.
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*
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* @p_hwfn: HW device data.
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*
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* Return: Int.
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*/
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int qed_iov_hw_info(struct qed_hwfn *p_hwfn);
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/**
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* qed_add_tlv(): place a given tlv on the tlv buffer at next offset
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*
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* @p_hwfn: HW device data.
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* @offset: offset.
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* @type: Type
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* @length: Length.
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*
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* Return: pointer to the newly placed tlv
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*/
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void *qed_add_tlv(struct qed_hwfn *p_hwfn, u8 **offset, u16 type, u16 length);
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/**
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* qed_dp_tlv_list(): list the types and lengths of the tlvs on the buffer
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*
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* @p_hwfn: HW device data.
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* @tlvs_list: Tlvs_list.
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*
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* Return: Void.
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*/
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void qed_dp_tlv_list(struct qed_hwfn *p_hwfn, void *tlvs_list);
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/**
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* qed_sriov_vfpf_malicious(): Handle malicious VF/PF.
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*
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* @p_hwfn: HW device data.
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* @p_data: Pointer to data.
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*
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* Return: Void.
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*/
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void qed_sriov_vfpf_malicious(struct qed_hwfn *p_hwfn,
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struct fw_err_data *p_data);
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/**
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* qed_sriov_eqe_event(): Callback for SRIOV events.
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*
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* @p_hwfn: HW device data.
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* @opcode: Opcode.
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* @echo: Echo.
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* @data: data
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* @fw_return_code: FW return code.
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*
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* Return: Int.
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*/
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int qed_sriov_eqe_event(struct qed_hwfn *p_hwfn, u8 opcode, __le16 echo,
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union event_ring_data *data, u8 fw_return_code);
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/**
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* qed_iov_alloc(): allocate sriov related resources
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*
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* @p_hwfn: HW device data.
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*
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* Return: Int.
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*/
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int qed_iov_alloc(struct qed_hwfn *p_hwfn);
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/**
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* qed_iov_setup(): setup sriov related resources
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*
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* @p_hwfn: HW device data.
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*
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* Return: Void.
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*/
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|
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) \
|
||
|
|
for (_i = qed_iov_get_next_active_vf(_p_hwfn, 0); \
|
||
|
|
_i < MAX_NUM_VFS; \
|
||
|
|
_i = qed_iov_get_next_active_vf(_p_hwfn, _i + 1))
|
||
|
|
|
||
|
|
#endif
|