| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Yuval Mintz | 951 | 90.14% | 25 | 86.21% |
| Tomer Tayar | 43 | 4.08% | 1 | 3.45% |
| Manish Chopra | 38 | 3.60% | 1 | 3.45% |
| Arnd Bergmann | 17 | 1.61% | 1 | 3.45% |
| Rahul Verma | 6 | 0.57% | 1 | 3.45% |
| Total | 1055 | 29 |
/* QLogic qed NIC Driver * Copyright (c) 2015-2017 QLogic Corporation * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the * OpenIB.org BSD license below: * * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the following * conditions are met: * * - Redistributions of source code must retain the above * copyright notice, this list of conditions and the following * disclaimer. * * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and /or other materials * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #ifndef _QED_SRIOV_H #define _QED_SRIOV_H #include <linux/types.h> #include "qed_vf.h" #define QED_ETH_VF_NUM_MAC_FILTERS 1 #define QED_ETH_VF_NUM_VLAN_FILTERS 2 #define QED_VF_ARRAY_LENGTH (3) #ifdef CONFIG_QED_SRIOV #define IS_VF(cdev) ((cdev)->b_is_vf) #define IS_PF(cdev) (!((cdev)->b_is_vf)) #define IS_PF_SRIOV(p_hwfn) (!!((p_hwfn)->cdev->p_iov_info)) #else #define IS_VF(cdev) (0) #define IS_PF(cdev) (1) #define IS_PF_SRIOV(p_hwfn) (0) #endif #define IS_PF_SRIOV_ALLOC(p_hwfn) (!!((p_hwfn)->pf_iov_info)) #define QED_MAX_VF_CHAINS_PER_PF 16 #define QED_ETH_MAX_VF_NUM_VLAN_FILTERS \ (MAX_NUM_VFS * QED_ETH_VF_NUM_VLAN_FILTERS) enum qed_iov_vport_update_flag { QED_IOV_VP_UPDATE_ACTIVATE, QED_IOV_VP_UPDATE_VLAN_STRIP, QED_IOV_VP_UPDATE_TX_SWITCH, QED_IOV_VP_UPDATE_MCAST, QED_IOV_VP_UPDATE_ACCEPT_PARAM, QED_IOV_VP_UPDATE_RSS, QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN, QED_IOV_VP_UPDATE_SGE_TPA, QED_IOV_VP_UPDATE_MAX, }; struct qed_public_vf_info { /* These copies will later be reflected in the bulletin board, * but this copy should be newer. */ u8 forced_mac[ETH_ALEN]; u16 forced_vlan; u8 mac[ETH_ALEN]; /* IFLA_VF_LINK_STATE_<X> */ int link_state; /* Currently configured Tx rate in MB/sec. 0 if unconfigured */ int tx_rate; /* Trusted VFs can configure promiscuous mode. * Also store shadow promisc configuration if needed. */ bool is_trusted_configured; bool is_trusted_request; u8 rx_accept_mode; u8 tx_accept_mode; }; struct qed_iov_vf_init_params { u16 rel_vf_id; /* Number of requested Queues; Currently, don't support different * number of Rx/Tx queues. */ u16 num_queues; /* Allow the client to choose which qzones to use for Rx/Tx, * and which queue_base to use for Tx queues on a per-queue basis. * Notice values should be relative to the PF resources. */ u16 req_rx_queue[QED_MAX_VF_CHAINS_PER_PF]; u16 req_tx_queue[QED_MAX_VF_CHAINS_PER_PF]; }; /* 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 { int pos; /* capability position */ int nres; /* number of resources */ u32 cap; /* SR-IOV Capabilities */ u16 ctrl; /* SR-IOV Control */ u16 total_vfs; /* total VFs associated with the PF */ u16 num_vfs; /* number of vfs that have been started */ u16 initial_vfs; /* initial VFs associated with the PF */ u16 nr_virtfn; /* number of VFs available */ u16 offset; /* first VF Routing ID offset */ u16 stride; /* following VF stride */ u16 vf_device_id; /* VF device id */ u32 pgsz; /* page size for BAR alignment */ u8 link; /* Function Dependency Link */ u32 first_vf_in_pf; }; /* This mailbox is maintained per VF in its PF contains all information * required for sending / receiving a message. */ struct qed_iov_vf_mbx { union vfpf_tlvs *req_virt; dma_addr_t req_phys; union pfvf_tlvs *reply_virt; dma_addr_t reply_phys; /* Address in VF where a pending message is located */ dma_addr_t pending_req; /* Message from VF awaits handling */ bool b_pending_msg; u8 *offset; /* saved VF request header */ struct vfpf_first_tlv first_tlv; }; #define QED_IOV_LEGACY_QID_RX (0) #define QED_IOV_LEGACY_QID_TX (1) #define QED_IOV_QID_INVALID (0xFE) struct qed_vf_queue_cid { bool b_is_tx; struct qed_queue_cid *p_cid; }; /* Describes a qzone associated with the VF */ struct qed_vf_queue { u16 fw_rx_qid; u16 fw_tx_qid; struct qed_vf_queue_cid cids[MAX_QUEUES_PER_QZONE]; }; enum vf_state { VF_FREE = 0, /* VF ready to be acquired holds no resc */ VF_ACQUIRED, /* VF, acquired, but not initalized */ VF_ENABLED, /* VF, Enabled */ VF_RESET, /* VF, FLR'd, pending cleanup */ VF_STOPPED /* VF, Stopped */ }; struct qed_vf_vlan_shadow { bool used; u16 vid; }; struct qed_vf_shadow_config { /* Shadow copy of all guest vlans */ struct qed_vf_vlan_shadow vlans[QED_ETH_VF_NUM_VLAN_FILTERS + 1]; /* Shadow copy of all configured MACs; Empty if forcing MACs */ u8 macs[QED_ETH_VF_NUM_MAC_FILTERS][ETH_ALEN]; u8 inner_vlan_removal; }; /* PFs maintain an array of this structure, per VF */ struct qed_vf_info { struct qed_iov_vf_mbx vf_mbx; enum vf_state state; bool b_init; bool b_malicious; u8 to_disable; struct qed_bulletin bulletin; dma_addr_t vf_bulletin; /* PF saves a copy of the last VF acquire message */ struct vfpf_acquire_tlv acquire; u32 concrete_fid; u16 opaque_fid; u16 mtu; u8 vport_id; u8 relative_vf_id; u8 abs_vf_id; #define QED_VF_ABS_ID(p_hwfn, p_vf) (QED_PATH_ID(p_hwfn) ? \ (p_vf)->abs_vf_id + MAX_NUM_VFS_BB : \ (p_vf)->abs_vf_id) u8 vport_instance; u8 num_rxqs; u8 num_txqs; u16 rx_coal; u16 tx_coal; u8 num_sbs; u8 num_mac_filters; u8 num_vlan_filters; struct qed_vf_queue vf_queues[QED_MAX_VF_CHAINS_PER_PF]; u16 igu_sbs[QED_MAX_VF_CHAINS_PER_PF]; u8 num_active_rxqs; struct qed_public_vf_info p_vf_info; bool spoof_chk; bool req_spoofchk_val; /* Stores the configuration requested by VF */ struct qed_vf_shadow_config shadow_config; /* A bitfield using bulletin's valid-map bits, used to indicate * which of the bulletin board features have been configured. */ u64 configured_features; #define QED_IOV_CONFIGURED_FEATURES_MASK ((1 << MAC_ADDR_FORCED) | \ (1 << VLAN_ADDR_FORCED)) }; /* This structure is part of qed_hwfn and used only for PFs that have sriov * capability enabled. */ struct qed_pf_iov { struct qed_vf_info vfs_array[MAX_NUM_VFS]; u64 pending_flr[QED_VF_ARRAY_LENGTH]; /* Allocate message address continuosuly and split to each VF */ void *mbx_msg_virt_addr; dma_addr_t mbx_msg_phys_addr; u32 mbx_msg_size; void *mbx_reply_virt_addr; dma_addr_t mbx_reply_phys_addr; u32 mbx_reply_size; void *p_bulletins; dma_addr_t bulletins_phys; u32 bulletins_size; }; enum qed_iov_wq_flag { QED_IOV_WQ_MSG_FLAG, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG, QED_IOV_WQ_BULLETIN_UPDATE_FLAG, QED_IOV_WQ_STOP_WQ_FLAG, QED_IOV_WQ_FLR_FLAG, QED_IOV_WQ_TRUST_FLAG, QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG, }; #ifdef CONFIG_QED_SRIOV /** * @brief 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 * * @param p_hwfn * @param rel_vf_id - Relative VF ID * @param b_enabled_only - consider only enabled VF * @param 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); /** * @brief - Given a VF index, return index of next [including that] active VF. * * @param p_hwfn * @param rel_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); /** * @brief Read sriov related information and allocated resources * reads from configuraiton space, shmem, etc. * * @param p_hwfn * * @return int */ int qed_iov_hw_info(struct qed_hwfn *p_hwfn); /** * @brief qed_add_tlv - place a given tlv on the tlv buffer at next offset * * @param p_hwfn * @param p_iov * @param type * @param length * * @return pointer to the newly placed tlv */ void *qed_add_tlv(struct qed_hwfn *p_hwfn, u8 **offset, u16 type, u16 length); /** * @brief list the types and lengths of the tlvs on the buffer * * @param p_hwfn * @param tlvs_list */ void qed_dp_tlv_list(struct qed_hwfn *p_hwfn, void *tlvs_list); /** * @brief qed_iov_alloc - allocate sriov related resources * * @param p_hwfn * * @return int */ int qed_iov_alloc(struct qed_hwfn *p_hwfn); /** * @brief qed_iov_setup - setup sriov related resources * * @param p_hwfn */ void qed_iov_setup(struct qed_hwfn *p_hwfn); /** * @brief qed_iov_free - free sriov related resources * * @param p_hwfn */ void qed_iov_free(struct qed_hwfn *p_hwfn); /** * @brief free sriov related memory that was allocated during hw_prepare * * @param cdev */ void qed_iov_free_hw_info(struct qed_dev *cdev); /** * @brief Mark structs of vfs that have been FLR-ed. * * @param p_hwfn * @param 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); /** * @brief Search extended TLVs in request/reply buffer. * * @param p_hwfn * @param p_tlvs_list - Pointer to tlvs list * @param 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) { } #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
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