/*      $NetBSD: if_iavfvar.h,v 1.1 2020/09/08 10:05:47 yamaguchi Exp $ */

/*
* Copyright (c) 2020 Internet Initiative Japan, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef _DEV_PCI_IF_IAVFVAR_H_
#define _DEV_PCI_IF_IAVFVAR_H_

/* aq commands */
#define IAVF_AQ_OP_SEND_TO_PF           0x0801
#define IAVF_AQ_OP_MSG_FROM_PF          0x0802
#define IAVF_AQ_OP_SHUTDOWN             0x0803

/* virt channel messages */
#define IAVF_VC_OP_VERSION              1
#define IAVF_VC_OP_RESET_VF             2
#define IAVF_VC_OP_GET_VF_RESOURCES     3
#define IAVF_VC_OP_CONFIG_TX_QUEUE      4
#define IAVF_VC_OP_CONFIG_RX_QUEUE      5
#define IAVF_VC_OP_CONFIG_VSI_QUEUES    6
#define IAVF_VC_OP_CONFIG_IRQ_MAP       7
#define IAVF_VC_OP_ENABLE_QUEUES        8
#define IAVF_VC_OP_DISABLE_QUEUES       9
#define IAVF_VC_OP_ADD_ETH_ADDR         10
#define IAVF_VC_OP_DEL_ETH_ADDR         11
#define IAVF_VC_OP_ADD_VLAN             12
#define IAVF_VC_OP_DEL_VLAN             13
#define IAVF_VC_OP_CONFIG_PROMISC       14
#define IAVF_VC_OP_GET_STATS            15
#define IAVF_VC_OP_EVENT                17
#define IAVF_VC_OP_CONFIG_RSS_KEY       23
#define IAVF_VC_OP_CONFIG_RSS_LUT       24
#define IAVF_VC_OP_GET_RSS_HENA_CAPS    25
#define IAVF_VC_OP_SET_RSS_HENA         26
#define IAVF_VC_OP_ENABLE_VLAN_STRIP    27
#define IAVF_VC_OP_DISABLE_VLAN_STRIP   28
#define IAVF_VC_OP_REQUEST_QUEUES       29

/* virt channel response codes */
#define IAVF_VC_RC_SUCCESS              0
#define IAVF_VC_RC_ERR_PARAM            -5
#define IAVF_VC_RC_ERR_OPCODE           -38
#define IAVF_VC_RC_ERR_CQP_COMPL        -39
#define IAVF_VC_RC_ERR_VF_ID            -40
#define IAVF_VC_RC_ERR_NOT_SUP          -64

/* virt channel events */
#define IAVF_VC_EVENT_LINK_CHANGE       1
#define IAVF_VC_EVENT_RESET_IMPENDING   2
#define IAVF_VC_EVENT_PF_DRIVER_CLOSE   3

/* virt channel offloads */
#define IAVF_VC_OFFLOAD_L2              0x00000001
#define IAVF_VC_OFFLOAD_IWARP           0x00000002
#define IAVF_VC_OFFLOAD_RSVD            0x00000004
#define IAVF_VC_OFFLOAD_RSS_AQ          0x00000008
#define IAVF_VC_OFFLOAD_RSS_REG         0x00000010
#define IAVF_VC_OFFLOAD_WB_ON_ITR       0x00000020
#define IAVF_VC_OFFLOAD_REQ_QUEUES      0x00000040
#define IAVF_VC_OFFLOAD_VLAN            0x00010000
#define IAVF_VC_OFFLOAD_RX_POLLING      0x00020000
#define IAVF_VC_OFFLOAD_RSS_PCTYPE_V2   0x00040000
#define IAVF_VC_OFFLOAD_RSS_PF          0x00080000
#define IAVF_VC_OFFLOAD_ENCAP           0x00100000
#define IAVF_VC_OFFLOAD_ENCAP_CSUM      0x00200000
#define IAVF_VC_OFFLOAD_RX_ENCAP_CSUM   0x00400000

#define IAVF_VC_OFFLOAD_FMT     "\020"                                  \
                               "\027RENCAP" "\026ENCAPC" "\025ENCAP"   \
                               "\024RSSPF" "\023RSSV2" "\022RPOLL"     \
                               "\021VLAN" "\007REQQ" "\006WB"          \
                               "\005RSSREG" "\004RSSAQ" "\003RSVD"     \
                               "\002IWARP" "\001L2"

struct iavf_aq_vc {
       uint32_t         iaq_vc_opcode;
       uint32_t         iaq_vc_retval;
} __packed;

struct iavf_vc_version_info {
       uint32_t        major;
       uint32_t        minor;
} __packed;

struct iavf_vc_vsi_resource {
       uint16_t        vsi_id;
       uint16_t        num_queue_pairs;
       uint32_t        vsi_type;
       uint16_t        qset_handle;
       uint8_t         default_mac[ETHER_ADDR_LEN];
} __packed;

struct iavf_vc_vf_resource {
       uint16_t        num_vsis;
       uint16_t        num_qp;
       uint16_t        max_vectors;
       uint16_t        max_mtu;
       uint32_t        offload_flags;
       uint32_t        rss_key_size;
       uint32_t        rss_lut_size;
       struct iavf_vc_vsi_resource
                       vsi_res[1];
} __packed;

struct iavf_vc_vector_map {
       uint16_t        vsi_id;
       uint16_t        vector_id;
       uint16_t        rxq_map;
       uint16_t        txq_map;
       uint16_t        rxitr_idx;
       uint16_t        txitr_idx;
} __packed;

struct iavf_vc_irq_map_info {
       uint16_t        num_vectors;
       struct iavf_vc_vector_map vecmap[1];
} __packed;

struct iavf_vc_txq_info {
       uint16_t        vsi_id;
       uint16_t        queue_id;
       uint16_t        ring_len;
       uint16_t        headwb_ena;             /* deprecated */
       uint64_t        dma_ring_addr;
       uint64_t        dma_headwb_addr;        /* deprecated */
} __packed;

struct iavf_vc_rxq_info {
       uint16_t        vsi_id;
       uint16_t        queue_id;
       uint32_t        ring_len;
       uint16_t        hdr_size;
       uint16_t        splithdr_ena;
       uint32_t        databuf_size;
       uint32_t        max_pkt_size;
       uint32_t        pad1;
       uint64_t        dma_ring_addr;
       uint32_t        rx_split_pos;
       uint32_t        pad2;
} __packed;

struct iavf_vc_queue_pair_info {
       struct iavf_vc_txq_info txq;
       struct iavf_vc_rxq_info rxq;
} __packed;

struct iavf_vc_queue_config_info {
       uint16_t        vsi_id;
       uint16_t        num_queue_pairs;
       uint32_t        pad;
       struct iavf_vc_queue_pair_info qpair[1];
} __packed;

struct iavf_vc_queue_select {
       uint16_t        vsi_id;
       uint16_t        pad;
       uint32_t        rx_queues;
       uint32_t        tx_queues;
} __packed;

struct iavf_vc_promisc_info {
       uint16_t        vsi_id;
       uint16_t        flags;
#define IAVF_FLAG_VF_UNICAST_PROMISC    0x0001
#define IAVF_FLAG_VF_MULTICAST_PROMISC  0x0002
} __packed;

struct iavf_vc_eth_addr {
       uint8_t         addr[ETHER_ADDR_LEN];
       uint8_t         pad[2];
} __packed;

struct iavf_vc_eth_addr_list {
       uint16_t        vsi_id;
       uint16_t        num_elements;
       struct iavf_vc_eth_addr list[1];
} __packed;

struct iavf_vc_pf_event {
       uint32_t        event;
       uint32_t        link_speed;
       uint8_t         link_status;
       uint8_t         pad[3];
       uint32_t        severity;
} __packed;

struct iavf_vc_vlan_filter {
       uint16_t        vsi_id;
       uint16_t        num_vlan_id;
       uint16_t        vlan_id[1];
} __packed;

struct iavf_vc_rss_key {
       uint16_t        vsi_id;
       uint16_t        key_len;
       uint8_t         key[1];
       uint8_t         pad[1];
} __packed;

struct iavf_vc_rss_lut {
       uint16_t        vsi_id;
       uint16_t        lut_entries;
       uint8_t         lut[1];
       uint8_t         pad[1];
}__packed;

#define IAVF_RSS_VSI_LUT_ENTRY_MASK     0x3F

struct iavf_vc_res_request {
       uint16_t         num_queue_pairs;
} __packed;

#define I40E_MAX_VF_QUEUES      16

#endif

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