/* QLogic qed NIC Driver * Copyright (c) 2015 QLogic Corporation * * This software is available 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. */ #ifndef _QED_VF_H #define _QED_VF_H #include "qed_l2.h" #include "qed_mcp.h" #define T_ETH_INDIRECTION_TABLE_SIZE 128 #define T_ETH_RSS_KEY_SIZE 10 struct vf_pf_resc_request { u8 num_rxqs; u8 num_txqs; u8 num_sbs; u8 num_mac_filters; u8 num_vlan_filters; u8 num_mc_filters; u16 padding; }; struct hw_sb_info { u16 hw_sb_id; u8 sb_qid; u8 padding[5]; }; #define TLV_BUFFER_SIZE 1024 enum { PFVF_STATUS_WAITING, PFVF_STATUS_SUCCESS, PFVF_STATUS_FAILURE, PFVF_STATUS_NOT_SUPPORTED, PFVF_STATUS_NO_RESOURCE, PFVF_STATUS_FORCED, }; /* vf pf channel tlvs */ /* general tlv header (used for both vf->pf request and pf->vf response) */ struct channel_tlv { u16 type; u16 length; }; /* header of first vf->pf tlv carries the offset used to calculate reponse * buffer address */ struct vfpf_first_tlv { struct channel_tlv tl; u32 padding; u64 reply_address; }; /* header of pf->vf tlvs, carries the status of handling the request */ struct pfvf_tlv { struct channel_tlv tl; u8 status; u8 padding[3]; }; /* response tlv used for most tlvs */ struct pfvf_def_resp_tlv { struct pfvf_tlv hdr; }; /* used to terminate and pad a tlv list */ struct channel_list_end_tlv { struct channel_tlv tl; u8 padding[4]; }; #define VFPF_ACQUIRE_OS_LINUX (0) #define VFPF_ACQUIRE_OS_WINDOWS (1) #define VFPF_ACQUIRE_OS_ESX (2) #define VFPF_ACQUIRE_OS_SOLARIS (3) #define VFPF_ACQUIRE_OS_LINUX_USERSPACE (4) struct vfpf_acquire_tlv { struct vfpf_first_tlv first_tlv; struct vf_pf_vfdev_info { #define VFPF_ACQUIRE_CAP_OBSOLETE (1 << 0) #define VFPF_ACQUIRE_CAP_100G (1 << 1) /* VF can support 100g */ u64 capabilities; u8 fw_major; u8 fw_minor; u8 fw_revision; u8 fw_engineering; u32 driver_version; u16 opaque_fid; /* ME register value */ u8 os_type; /* VFPF_ACQUIRE_OS_* value */ u8 padding[5]; } vfdev_info; struct vf_pf_resc_request resc_request; u64 bulletin_addr; u32 bulletin_size; u32 padding; }; /* receive side scaling tlv */ struct vfpf_vport_update_rss_tlv { struct channel_tlv tl; u8 update_rss_flags; #define VFPF_UPDATE_RSS_CONFIG_FLAG BIT(0) #define VFPF_UPDATE_RSS_CAPS_FLAG BIT(1) #define VFPF_UPDATE_RSS_IND_TABLE_FLAG BIT(2) #define VFPF_UPDATE_RSS_KEY_FLAG BIT(3) u8 rss_enable; u8 rss_caps; u8 rss_table_size_log; /* The table size is 2 ^ rss_table_size_log */ u16 rss_ind_table[T_ETH_INDIRECTION_TABLE_SIZE]; u32 rss_key[T_ETH_RSS_KEY_SIZE]; }; struct pfvf_storm_stats { u32 address; u32 len; }; struct pfvf_stats_info { struct pfvf_storm_stats mstats; struct pfvf_storm_stats pstats; struct pfvf_storm_stats tstats; struct pfvf_storm_stats ustats; }; struct pfvf_acquire_resp_tlv { struct pfvf_tlv hdr; struct pf_vf_pfdev_info { u32 chip_num; u32 mfw_ver; u16 fw_major; u16 fw_minor; u16 fw_rev; u16 fw_eng; u64 capabilities; #define PFVF_ACQUIRE_CAP_DEFAULT_UNTAGGED BIT(0) #define PFVF_ACQUIRE_CAP_100G BIT(1) /* If set, 100g PF */ /* There are old PF versions where the PF might mistakenly override the sanity * mechanism [version-based] and allow a VF that can't be supported to pass * the acquisition phase. * To overcome this, PFs now indicate that they're past that point and the new * VFs would fail probe on the older PFs that fail to do so. */ #define PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE BIT(2) u16 db_size; u8 indices_per_sb; u8 os_type; /* These should match the PF's qed_dev values */ u16 chip_rev; u8 dev_type; u8 padding; struct pfvf_stats_info stats_info; u8 port_mac[ETH_ALEN]; u8 padding2[2]; } pfdev_info; struct pf_vf_resc { #define PFVF_MAX_QUEUES_PER_VF 16 #define PFVF_MAX_SBS_PER_VF 16 struct hw_sb_info hw_sbs[PFVF_MAX_SBS_PER_VF]; u8 hw_qid[PFVF_MAX_QUEUES_PER_VF]; u8 cid[PFVF_MAX_QUEUES_PER_VF]; u8 num_rxqs; u8 num_txqs; u8 num_sbs; u8 num_mac_filters; u8 num_vlan_filters; u8 num_mc_filters; u8 padding[2]; } resc; u32 bulletin_size; u32 padding; }; struct pfvf_start_queue_resp_tlv { struct pfvf_tlv hdr; u32 offset; /* offset to consumer/producer of queue */ u8 padding[4]; }; /* Setup Queue */ struct vfpf_start_rxq_tlv { struct vfpf_first_tlv first_tlv; /* physical addresses */ u64 rxq_addr; u64 deprecated_sge_addr; u64 cqe_pbl_addr; u16 cqe_pbl_size; u16 hw_sb; u16 rx_qid; u16 hc_rate; /* desired interrupts per sec. */ u16 bd_max_bytes; u16 stat_id; u8 sb_index; u8 padding[3]; }; struct vfpf_start_txq_tlv { struct vfpf_first_tlv first_tlv; /* physical addresses */ u64 pbl_addr; u16 pbl_size; u16 stat_id; u16 tx_qid; u16 hw_sb; u32 flags; /* VFPF_QUEUE_FLG_X flags */ u16 hc_rate; /* desired interrupts per sec. */ u8 sb_index; u8 padding[3]; }; /* Stop RX Queue */ struct vfpf_stop_rxqs_tlv { struct vfpf_first_tlv first_tlv; u16 rx_qid; u8 num_rxqs; u8 cqe_completion; u8 padding[4]; }; /* Stop TX Queues */ struct vfpf_stop_txqs_tlv { struct vfpf_first_tlv first_tlv; u16 tx_qid; u8 num_txqs; u8 padding[5]; }; struct vfpf_update_rxq_tlv { struct vfpf_first_tlv first_tlv; u64 deprecated_sge_addr[PFVF_MAX_QUEUES_PER_VF]; u16 rx_qid; u8 num_rxqs; u8 flags; #define VFPF_RXQ_UPD_INIT_SGE_DEPRECATE_FLAG BIT(0) #define VFPF_RXQ_UPD_COMPLETE_CQE_FLAG BIT(1) #define VFPF_RXQ_UPD_COMPLETE_EVENT_FLAG BIT(2) u8 padding[4]; }; /* Set Queue Filters */ struct vfpf_q_mac_vlan_filter { u32 flags; #define VFPF_Q_FILTER_DEST_MAC_VALID 0x01 #define VFPF_Q_FILTER_VLAN_TAG_VALID 0x02 #define VFPF_Q_FILTER_SET_MAC 0x100 /* set/clear */ u8 mac[ETH_ALEN]; u16 vlan_tag; u8 padding[4]; }; /* Start a vport */ struct vfpf_vport_start_tlv { struct vfpf_first_tlv first_tlv; u64 sb_addr[PFVF_MAX_SBS_PER_VF]; u32 tpa_mode; u16 dep1; u16 mtu; u8 vport_id; u8 inner_vlan_removal; u8 only_untagged; u8 max_buffers_per_cqe; u8 padding[4]; }; /* Extended tlvs - need to add rss, mcast, accept mode tlvs */ struct vfpf_vport_update_activate_tlv { struct channel_tlv tl; u8 update_rx; u8 update_tx; u8 active_rx; u8 active_tx; }; struct vfpf_vport_update_mcast_bin_tlv { struct channel_tlv tl; u8 padding[4]; u64 bins[8]; }; struct vfpf_vport_update_accept_param_tlv { struct channel_tlv tl; u8 update_rx_mode; u8 update_tx_mode; u8 rx_accept_filter; u8 tx_accept_filter; }; /* Primary tlv as a header for various extended tlvs for * various functionalities in vport update ramrod. */ struct vfpf_vport_update_tlv { struct vfpf_first_tlv first_tlv; }; struct vfpf_ucast_filter_tlv { struct vfpf_first_tlv first_tlv; u8 opcode; u8 type; u8 mac[ETH_ALEN]; u16 vlan; u16 padding[3]; }; struct tlv_buffer_size { u8 tlv_buffer[TLV_BUFFER_SIZE]; }; union vfpf_tlvs { struct vfpf_first_tlv first_tlv; struct vfpf_acquire_tlv acquire; struct vfpf_start_rxq_tlv start_rxq; struct vfpf_start_txq_tlv start_txq; struct vfpf_stop_rxqs_tlv stop_rxqs; struct vfpf_stop_txqs_tlv stop_txqs; struct vfpf_vport_start_tlv start_vport; struct vfpf_vport_update_tlv vport_update; struct vfpf_ucast_filter_tlv ucast_filter; struct channel_list_end_tlv list_end; struct tlv_buffer_size tlv_buf_size; }; union pfvf_tlvs { struct pfvf_def_resp_tlv default_resp; struct pfvf_acquire_resp_tlv acquire_resp; struct tlv_buffer_size tlv_buf_size; struct pfvf_start_queue_resp_tlv queue_start; }; struct qed_bulletin_content { /* crc of structure to ensure is not in mid-update */ u32 crc; u32 version; /* bitmap indicating which fields hold valid values */ u64 valid_bitmap; /* used for MAC_ADDR or MAC_ADDR_FORCED */ u8 mac[ETH_ALEN]; /* If valid, 1 => only untagged Rx if no vlan is configured */ u8 default_only_untagged; u8 padding; /* The following is a 'copy' of qed_mcp_link_state, * qed_mcp_link_params and qed_mcp_link_capabilities. Since it's * possible the structs will increase further along the road we cannot * have it here; Instead we need to have all of its fields. */ u8 req_autoneg; u8 req_autoneg_pause; u8 req_forced_rx; u8 req_forced_tx; u8 padding2[4]; u32 req_adv_speed; u32 req_forced_speed; u32 req_loopback; u32 padding3; u8 link_up; u8 full_duplex; u8 autoneg; u8 autoneg_complete; u8 parallel_detection; u8 pfc_enabled; u8 partner_tx_flow_ctrl_en; u8 partner_rx_flow_ctrl_en; u8 partner_adv_pause; u8 sfp_tx_fault; u8 padding4[6]; u32 speed; u32 partner_adv_speed; u32 capability_speed; }; struct qed_bulletin { dma_addr_t phys; struct qed_bulletin_content *p_virt; u32 size; }; enum { CHANNEL_TLV_NONE, /* ends tlv sequence */ CHANNEL_TLV_ACQUIRE, CHANNEL_TLV_VPORT_START, CHANNEL_TLV_VPORT_UPDATE, CHANNEL_TLV_VPORT_TEARDOWN, CHANNEL_TLV_START_RXQ, CHANNEL_TLV_START_TXQ, CHANNEL_TLV_STOP_RXQS, CHANNEL_TLV_STOP_TXQS, CHANNEL_TLV_INT_CLEANUP, CHANNEL_TLV_CLOSE, CHANNEL_TLV_RELEASE, CHANNEL_TLV_LIST_END, CHANNEL_TLV_UCAST_FILTER, CHANNEL_TLV_VPORT_UPDATE_ACTIVATE, CHANNEL_TLV_VPORT_UPDATE_MCAST, CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM, CHANNEL_TLV_VPORT_UPDATE_RSS, CHANNEL_TLV_MAX, /* Required for iterating over vport-update tlvs. * Will break in case non-sequential vport-update tlvs. */ CHANNEL_TLV_VPORT_UPDATE_MAX = CHANNEL_TLV_VPORT_UPDATE_RSS + 1, }; /* This data is held in the qed_hwfn structure for VFs only. */ struct qed_vf_iov { union vfpf_tlvs *vf2pf_request; dma_addr_t vf2pf_request_phys; union pfvf_tlvs *pf2vf_reply; dma_addr_t pf2vf_reply_phys; /* Should be taken whenever the mailbox buffers are accessed */ struct mutex mutex; u8 *offset; /* Bulletin Board */ struct qed_bulletin bulletin; struct qed_bulletin_content bulletin_shadow; /* we set aside a copy of the acquire response */ struct pfvf_acquire_resp_tlv acquire_resp; }; #ifdef CONFIG_QED_SRIOV /** * @brief Read the VF bulletin and act on it if needed * * @param p_hwfn * @param p_change - qed fills 1 iff bulletin board has changed, 0 otherwise. * * @return enum _qed_status */ int qed_vf_read_bulletin(struct qed_hwfn *p_hwfn, u8 *p_change); /** * @brief Get link paramters for VF from qed * * @param p_hwfn * @param params - the link params structure to be filled for the VF */ void qed_vf_get_link_params(struct qed_hwfn *p_hwfn, struct qed_mcp_link_params *params); /** * @brief Get link state for VF from qed * * @param p_hwfn * @param link - the link state structure to be filled for the VF */ void qed_vf_get_link_state(struct qed_hwfn *p_hwfn, struct qed_mcp_link_state *link); /** * @brief Get link capabilities for VF from qed * * @param p_hwfn * @param p_link_caps - the link capabilities structure to be filled for the VF */ void qed_vf_get_link_caps(struct qed_hwfn *p_hwfn, struct qed_mcp_link_capabilities *p_link_caps); /** * @brief Get number of Rx queues allocated for VF by qed * * @param p_hwfn * @param num_rxqs - allocated RX queues */ void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs); /** * @brief Get port mac address for VF * * @param p_hwfn * @param port_mac - destination location for port mac */ void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac); /** * @brief Get number of VLAN filters allocated for VF by qed * * @param p_hwfn * @param num_rxqs - allocated VLAN filters */ void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn, u8 *num_vlan_filters); /** * @brief Set firmware version information in dev_info from VFs acquire response tlv * * @param p_hwfn * @param fw_major * @param fw_minor * @param fw_rev * @param fw_eng */ void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn, u16 *fw_major, u16 *fw_minor, u16 *fw_rev, u16 *fw_eng); /** * @brief hw preparation for VF * sends ACQUIRE message * * @param p_hwfn * * @return int */ int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn); /** * @brief VF - start the RX Queue by sending a message to the PF * @param p_hwfn * @param cid - zero based within the VF * @param rx_queue_id - zero based within the VF * @param sb - VF status block for this queue * @param sb_index - Index within the status block * @param bd_max_bytes - maximum number of bytes per bd * @param bd_chain_phys_addr - physical address of bd chain * @param cqe_pbl_addr - physical address of pbl * @param cqe_pbl_size - pbl size * @param pp_prod - pointer to the producer to be * used in fastpath * * @return int */ int qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn, u8 rx_queue_id, u16 sb, u8 sb_index, u16 bd_max_bytes, dma_addr_t bd_chain_phys_addr, dma_addr_t cqe_pbl_addr, u16 cqe_pbl_size, void __iomem **pp_prod); /** * @brief VF - start the TX queue by sending a message to the * PF. * * @param p_hwfn * @param tx_queue_id - zero based within the VF * @param sb - status block for this queue * @param sb_index - index within the status block * @param bd_chain_phys_addr - physical address of tx chain * @param pp_doorbell - pointer to address to which to * write the doorbell too.. * * @return int */ int qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn, u16 tx_queue_id, u16 sb, u8 sb_index, dma_addr_t pbl_addr, u16 pbl_size, void __iomem **pp_doorbell); /** * @brief VF - stop the RX queue by sending a message to the PF * * @param p_hwfn * @param rx_qid * @param cqe_completion * * @return int */ int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn, u16 rx_qid, bool cqe_completion); /** * @brief VF - stop the TX queue by sending a message to the PF * * @param p_hwfn * @param tx_qid * * @return int */ int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, u16 tx_qid); /** * @brief VF - send a vport update command * * @param p_hwfn * @param params * * @return int */ int qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn, struct qed_sp_vport_update_params *p_params); /** * * @brief VF - send a close message to PF * * @param p_hwfn * * @return enum _qed_status */ int qed_vf_pf_reset(struct qed_hwfn *p_hwfn); /** * @brief VF - free vf`s memories * * @param p_hwfn * * @return enum _qed_status */ int qed_vf_pf_release(struct qed_hwfn *p_hwfn); /** * @brief qed_vf_get_igu_sb_id - Get the IGU SB ID for a given * sb_id. For VFs igu sbs don't have to be contiguous * * @param p_hwfn * @param sb_id * * @return INLINE u16 */ u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id); /** * @brief qed_vf_pf_vport_start - perform vport start for VF. * * @param p_hwfn * @param vport_id * @param mtu * @param inner_vlan_removal * @param tpa_mode * @param max_buffers_per_cqe, * @param only_untagged - default behavior regarding vlan acceptance * * @return enum _qed_status */ int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn, u8 vport_id, u16 mtu, u8 inner_vlan_removal, enum qed_tpa_mode tpa_mode, u8 max_buffers_per_cqe); /** * @brief qed_vf_pf_vport_stop - stop the VF's vport * * @param p_hwfn * * @return enum _qed_status */ int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn); int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn, struct qed_filter_ucast *p_param); void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn, struct qed_filter_mcast *p_filter_cmd); /** * @brief qed_vf_pf_int_cleanup - clean the SB of the VF * * @param p_hwfn * * @return enum _qed_status */ int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn); /** * @brief - return the link params in a given bulletin board * * @param p_hwfn * @param p_params - pointer to a struct to fill with link params * @param p_bulletin */ void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn, struct qed_mcp_link_params *p_params, struct qed_bulletin_content *p_bulletin); /** * @brief - return the link state in a given bulletin board * * @param p_hwfn * @param p_link - pointer to a struct to fill with link state * @param p_bulletin */ void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn, struct qed_mcp_link_state *p_link, struct qed_bulletin_content *p_bulletin); /** * @brief - return the link capabilities in a given bulletin board * * @param p_hwfn * @param p_link - pointer to a struct to fill with link capabilities * @param p_bulletin */ void __qed_vf_get_link_caps(struct qed_hwfn *p_hwfn, struct qed_mcp_link_capabilities *p_link_caps, struct qed_bulletin_content *p_bulletin); void qed_iov_vf_task(struct work_struct *work); #else static inline void qed_vf_get_link_params(struct qed_hwfn *p_hwfn, struct qed_mcp_link_params *params) { } static inline void qed_vf_get_link_state(struct qed_hwfn *p_hwfn, struct qed_mcp_link_state *link) { } static inline void qed_vf_get_link_caps(struct qed_hwfn *p_hwfn, struct qed_mcp_link_capabilities *p_link_caps) { } static inline void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs) { } static inline void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac) { } static inline void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn, u8 *num_vlan_filters) { } static inline void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn, u16 *fw_major, u16 *fw_minor, u16 *fw_rev, u16 *fw_eng) { } static inline int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn) { return -EINVAL; } static inline int qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn, u8 rx_queue_id, u16 sb, u8 sb_index, u16 bd_max_bytes, dma_addr_t bd_chain_phys_adr, dma_addr_t cqe_pbl_addr, u16 cqe_pbl_size, void __iomem **pp_prod) { return -EINVAL; } static inline int qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn, u16 tx_queue_id, u16 sb, u8 sb_index, dma_addr_t pbl_addr, u16 pbl_size, void __iomem **pp_doorbell) { return -EINVAL; } static inline int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn, u16 rx_qid, bool cqe_completion) { return -EINVAL; } static inline int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, u16 tx_qid) { return -EINVAL; } static inline int qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn, struct qed_sp_vport_update_params *p_params) { return -EINVAL; } static inline int qed_vf_pf_reset(struct qed_hwfn *p_hwfn) { return -EINVAL; } static inline int qed_vf_pf_release(struct qed_hwfn *p_hwfn) { return -EINVAL; } static inline u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id) { return 0; } static inline int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn, u8 vport_id, u16 mtu, u8 inner_vlan_removal, enum qed_tpa_mode tpa_mode, u8 max_buffers_per_cqe) { return -EINVAL; } static inline int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn) { return -EINVAL; } static inline int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn, struct qed_filter_ucast *p_param) { return -EINVAL; } static inline void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn, struct qed_filter_mcast *p_filter_cmd) { } static inline int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn) { return -EINVAL; } static inline void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn, struct qed_mcp_link_params *p_params, struct qed_bulletin_content *p_bulletin) { } static inline void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn, struct qed_mcp_link_state *p_link, struct qed_bulletin_content *p_bulletin) { } static inline void __qed_vf_get_link_caps(struct qed_hwfn *p_hwfn, struct qed_mcp_link_capabilities *p_link_caps, struct qed_bulletin_content *p_bulletin) { } static inline void qed_iov_vf_task(struct work_struct *work) { } #endif #endif