350 lines
10 KiB
C
350 lines
10 KiB
C
/*
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* Copyright (c) 2017-2018 Cavium, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*
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*/
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#ifndef __ECORE_SRIOV_H__
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#define __ECORE_SRIOV_H__
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#include "ecore_status.h"
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#include "ecore_vfpf_if.h"
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#include "ecore_iov_api.h"
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#include "ecore_hsi_common.h"
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#include "ecore_l2.h"
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#define ECORE_ETH_MAX_VF_NUM_VLAN_FILTERS \
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(E4_MAX_NUM_VFS * ECORE_ETH_VF_NUM_VLAN_FILTERS)
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/* Represents a full message. Both the request filled by VF
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* and the response filled by the PF. The VF needs one copy
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* of this message, it fills the request part and sends it to
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* the PF. The PF will copy the response to the response part for
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* the VF to later read it. The PF needs to hold a message like this
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* per VF, the request that is copied to the PF is placed in the
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* request size, and the response is filled by the PF before sending
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* it to the VF.
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*/
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struct ecore_vf_mbx_msg {
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union vfpf_tlvs req;
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union pfvf_tlvs resp;
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};
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/* This mailbox is maintained per VF in its PF
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* contains all information required for sending / receiving
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* a message
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*/
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struct ecore_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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#ifdef CONFIG_ECORE_SW_CHANNEL
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struct ecore_iov_sw_mbx sw_mbx;
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#endif
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/* VF GPA address */
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u32 vf_addr_lo;
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u32 vf_addr_hi;
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struct vfpf_first_tlv first_tlv; /* saved VF request header */
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u8 flags;
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#define VF_MSG_INPROCESS 0x1 /* failsafe - the FW should prevent
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* more then one pending msg
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*/
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};
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#define ECORE_IOV_LEGACY_QID_RX (0)
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#define ECORE_IOV_LEGACY_QID_TX (1)
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#define ECORE_IOV_QID_INVALID (0xFE)
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struct ecore_vf_queue_cid {
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bool b_is_tx;
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struct ecore_queue_cid *p_cid;
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};
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/* Describes a qzone associated with the VF */
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struct ecore_vf_queue {
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/* Input from upper-layer, mapping relateive queue to queue-zone */
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u16 fw_rx_qid;
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u16 fw_tx_qid;
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struct ecore_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 = 1, /* VF, acquired, but not initalized */
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VF_ENABLED = 2, /* VF, Enabled */
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VF_RESET = 3, /* VF, FLR'd, pending cleanup */
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VF_STOPPED = 4 /* VF, Stopped */
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};
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struct ecore_vf_vlan_shadow {
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bool used;
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u16 vid;
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};
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struct ecore_vf_shadow_config {
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/* Shadow copy of all guest vlans */
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struct ecore_vf_vlan_shadow vlans[ECORE_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[ECORE_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 ecore_vf_info {
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struct ecore_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 ecore_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 rss_eng_id;
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u8 relative_vf_id;
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u8 abs_vf_id;
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#define ECORE_VF_ABS_ID(p_hwfn, p_vf) (ECORE_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; /* Number of active vports */
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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 ecore_vf_queue vf_queues[ECORE_MAX_VF_CHAINS_PER_PF];
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u16 igu_sbs[ECORE_MAX_VF_CHAINS_PER_PF];
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/* TODO - Only windows is using it - should be removed */
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u8 was_malicious;
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u8 num_active_rxqs;
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void *ctx;
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struct ecore_public_vf_info p_vf_info;
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bool spoof_chk; /* Current configured on HW */
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bool req_spoofchk_val; /* Requested value */
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/* Stores the configuration requested by VF */
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struct ecore_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 ECORE_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 ecore_hwfn and used only for PFs that have sriov
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* capability enabled.
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*/
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struct ecore_pf_iov {
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struct ecore_vf_info vfs_array[E4_MAX_NUM_VFS];
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u64 pending_flr[ECORE_VF_ARRAY_LENGTH];
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#ifndef REMOVE_DBG
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/* This doesn't serve anything functionally, but it makes windows
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* debugging of IOV related issues easier.
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*/
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u64 active_vfs[ECORE_VF_ARRAY_LENGTH];
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#endif
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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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#ifdef CONFIG_ECORE_SRIOV
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/**
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* @brief Read sriov related information and allocated resources
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* reads from configuraiton space, shmem, etc.
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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_iov_hw_info(struct ecore_hwfn *p_hwfn);
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/**
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* @brief ecore_add_tlv - place a given tlv on the tlv buffer at next offset
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*
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* @param p_hwfn
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* @param p_iov
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* @param type
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* @param 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 *ecore_add_tlv(struct ecore_hwfn *p_hwfn,
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u8 **offset,
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u16 type,
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u16 length);
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/**
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* @brief list the types and lengths of the tlvs on the buffer
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*
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* @param p_hwfn
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* @param tlvs_list
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*/
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void ecore_dp_tlv_list(struct ecore_hwfn *p_hwfn,
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void *tlvs_list);
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/**
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* @brief ecore_iov_alloc - allocate sriov related resources
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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_iov_alloc(struct ecore_hwfn *p_hwfn);
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/**
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* @brief ecore_iov_setup - setup sriov related resources
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*
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* @param p_hwfn
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* @param p_ptt
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*/
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void ecore_iov_setup(struct ecore_hwfn *p_hwfn,
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struct ecore_ptt *p_ptt);
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/**
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* @brief ecore_iov_free - free sriov related resources
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*
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* @param p_hwfn
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*/
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void ecore_iov_free(struct ecore_hwfn *p_hwfn);
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/**
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* @brief free sriov related memory that was allocated during hw_prepare
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*
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* @param p_dev
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*/
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void ecore_iov_free_hw_info(struct ecore_dev *p_dev);
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/**
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* @brief ecore_sriov_eqe_event - handle async sriov event arrived on eqe.
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*
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* @param p_hwfn
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* @param opcode
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* @param echo
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* @param data
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*/
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enum _ecore_status_t ecore_sriov_eqe_event(struct ecore_hwfn *p_hwfn,
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u8 opcode,
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__le16 echo,
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union event_ring_data *data);
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/**
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* @brief Mark structs of vfs that have been FLR-ed.
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*
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* @param p_hwfn
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* @param disabled_vfs - bitmask of all VFs on path that were FLRed
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*
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* @return 1 iff one of the PF's vfs got FLRed. 0 otherwise.
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*/
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bool ecore_iov_mark_vf_flr(struct ecore_hwfn *p_hwfn,
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u32 *disabled_vfs);
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/**
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* @brief Search extended TLVs in request/reply buffer.
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*
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* @param p_hwfn
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* @param p_tlvs_list - Pointer to tlvs list
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* @param req_type - Type of TLV
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*
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* @return pointer to tlv type if found, otherwise returns NULL.
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*/
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void *ecore_iov_search_list_tlvs(struct ecore_hwfn *p_hwfn,
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void *p_tlvs_list, u16 req_type);
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/**
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* @brief ecore_iov_get_vf_info - return the database of a
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* specific VF
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*
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* @param p_hwfn
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* @param relative_vf_id - relative id of the VF for which info
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* is requested
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* @param b_enabled_only - false iff want to access even if vf is disabled
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*
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* @return struct ecore_vf_info*
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*/
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struct ecore_vf_info *ecore_iov_get_vf_info(struct ecore_hwfn *p_hwfn,
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u16 relative_vf_id,
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bool b_enabled_only);
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#else
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static OSAL_INLINE enum _ecore_status_t ecore_iov_hw_info(struct ecore_hwfn *p_hwfn) {return ECORE_SUCCESS;}
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static OSAL_INLINE void *ecore_add_tlv(struct ecore_hwfn *p_hwfn, u8 **offset, u16 type, u16 length) {return OSAL_NULL;}
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static OSAL_INLINE void ecore_dp_tlv_list(struct ecore_hwfn *p_hwfn, void *tlvs_list) {}
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static OSAL_INLINE enum _ecore_status_t ecore_iov_alloc(struct ecore_hwfn *p_hwfn) {return ECORE_SUCCESS;}
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static OSAL_INLINE void ecore_iov_setup(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt) {}
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static OSAL_INLINE void ecore_iov_free(struct ecore_hwfn *p_hwfn) {}
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static OSAL_INLINE void ecore_iov_free_hw_info(struct ecore_dev *p_dev) {}
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static OSAL_INLINE enum _ecore_status_t ecore_sriov_eqe_event(struct ecore_hwfn *p_hwfn, u8 opcode, __le16 echo, union event_ring_data *data) {return ECORE_INVAL;}
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static OSAL_INLINE u32 ecore_crc32(u32 crc, u8 *ptr, u32 length) {return 0;}
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static OSAL_INLINE bool ecore_iov_mark_vf_flr(struct ecore_hwfn *p_hwfn, u32 *disabled_vfs) {return 0;}
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static OSAL_INLINE void *ecore_iov_search_list_tlvs(struct ecore_hwfn *p_hwfn, void *p_tlvs_list, u16 req_type) {return OSAL_NULL;}
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static OSAL_INLINE struct ecore_vf_info *ecore_iov_get_vf_info(struct ecore_hwfn *p_hwfn, u16 relative_vf_id, bool b_enabled_only) {return OSAL_NULL;}
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#endif
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#endif /* __ECORE_SRIOV_H__ */
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