drivers/net/ethernet/marvell/octeon_ep/octep_pfvf_mbox.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* Marvell Octeon EP (EndPoint) Ethernet Driver
   3  *
   4  * Copyright (C) 2020 Marvell.
   5  *
   6  */
   7
   8 #ifndef _OCTEP_PFVF_MBOX_H_
   9 #define _OCTEP_PFVF_MBOX_H_
  10
  11 /* VF flags */
  12 #define OCTEON_PFVF_FLAG_MAC_SET_BY_PF  BIT_ULL(0) /* PF has set VF MAC address */
  13 #define OCTEON_SDP_16K_HW_FRS  16380UL
  14 #define OCTEON_SDP_64K_HW_FRS  65531UL
  15
  16 /* When a new command is implemented,PF Mbox version should be bumped.
  17  */
  18 enum octep_pfvf_mbox_version {
  19         OCTEP_PFVF_MBOX_VERSION_V0,
  20         OCTEP_PFVF_MBOX_VERSION_V1,
  21         OCTEP_PFVF_MBOX_VERSION_V2,
  22 };
  23
  24 #define OCTEP_PFVF_MBOX_VERSION_CURRENT OCTEP_PFVF_MBOX_VERSION_V2
  25
  26 enum octep_pfvf_mbox_opcode {
  27         OCTEP_PFVF_MBOX_CMD_VERSION,
  28         OCTEP_PFVF_MBOX_CMD_SET_MTU,
  29         OCTEP_PFVF_MBOX_CMD_SET_MAC_ADDR,
  30         OCTEP_PFVF_MBOX_CMD_GET_MAC_ADDR,
  31         OCTEP_PFVF_MBOX_CMD_GET_LINK_INFO,
  32         OCTEP_PFVF_MBOX_CMD_GET_STATS,
  33         OCTEP_PFVF_MBOX_CMD_SET_RX_STATE,
  34         OCTEP_PFVF_MBOX_CMD_SET_LINK_STATUS,
  35         OCTEP_PFVF_MBOX_CMD_GET_LINK_STATUS,
  36         OCTEP_PFVF_MBOX_CMD_GET_MTU,
  37         OCTEP_PFVF_MBOX_CMD_DEV_REMOVE,
  38         OCTEP_PFVF_MBOX_CMD_GET_FW_INFO,
  39         OCTEP_PFVF_MBOX_CMD_SET_OFFLOADS,
  40         OCTEP_PFVF_MBOX_NOTIF_LINK_STATUS,
  41         OCTEP_PFVF_MBOX_CMD_MAX,
  42 };
  43
  44 enum octep_pfvf_mbox_word_type {
  45         OCTEP_PFVF_MBOX_TYPE_CMD,
  46         OCTEP_PFVF_MBOX_TYPE_RSP_ACK,
  47         OCTEP_PFVF_MBOX_TYPE_RSP_NACK,
  48 };
  49
  50 enum octep_pfvf_mbox_cmd_status {
  51         OCTEP_PFVF_MBOX_CMD_STATUS_NOT_SETUP = 1,
  52         OCTEP_PFVF_MBOX_CMD_STATUS_TIMEDOUT = 2,
  53         OCTEP_PFVF_MBOX_CMD_STATUS_NACK = 3,
  54         OCTEP_PFVF_MBOX_CMD_STATUS_BUSY = 4
  55 };
  56
  57 enum octep_pfvf_mbox_state {
  58         OCTEP_PFVF_MBOX_STATE_IDLE = 0,
  59         OCTEP_PFVF_MBOX_STATE_BUSY = 1,
  60 };
  61
  62 enum octep_pfvf_link_status {
  63         OCTEP_PFVF_LINK_STATUS_DOWN,
  64         OCTEP_PFVF_LINK_STATUS_UP,
  65 };
  66
  67 enum octep_pfvf_link_speed {
  68         OCTEP_PFVF_LINK_SPEED_NONE,
  69         OCTEP_PFVF_LINK_SPEED_1000,
  70         OCTEP_PFVF_LINK_SPEED_10000,
  71         OCTEP_PFVF_LINK_SPEED_25000,
  72         OCTEP_PFVF_LINK_SPEED_40000,
  73         OCTEP_PFVF_LINK_SPEED_50000,
  74         OCTEP_PFVF_LINK_SPEED_100000,
  75         OCTEP_PFVF_LINK_SPEED_LAST,
  76 };
  77
  78 enum octep_pfvf_link_duplex {
  79         OCTEP_PFVF_LINK_HALF_DUPLEX,
  80         OCTEP_PFVF_LINK_FULL_DUPLEX,
  81 };
  82
  83 enum octep_pfvf_link_autoneg {
  84         OCTEP_PFVF_LINK_AUTONEG,
  85         OCTEP_PFVF_LINK_FIXED,
  86 };
  87
  88 #define OCTEP_PFVF_MBOX_TIMEOUT_MS     500
  89 #define OCTEP_PFVF_MBOX_MAX_RETRIES    2
  90 #define OCTEP_PFVF_MBOX_MAX_DATA_SIZE  6
  91 #define OCTEP_PFVF_MBOX_MORE_FRAG_FLAG 1
  92 #define OCTEP_PFVF_MBOX_WRITE_WAIT_TIME msecs_to_jiffies(1)
  93
  94 union octep_pfvf_mbox_word {
  95         u64 u64;
  96         struct {
  97                 u64 opcode:8;
  98                 u64 type:2;
  99                 u64 rsvd:6;
 100                 u64 data:48;
 101         } s;
 102         struct {
 103                 u64 opcode:8;
 104                 u64 type:2;
 105                 u64 frag:1;
 106                 u64 rsvd:5;
 107                 u8 data[6];
 108         } s_data;
 109         struct {
 110                 u64 opcode:8;
 111                 u64 type:2;
 112                 u64 rsvd:6;
 113                 u64 version:48;
 114         } s_version;
 115         struct {
 116                 u64 opcode:8;
 117                 u64 type:2;
 118                 u64 rsvd:6;
 119                 u8 mac_addr[6];
 120         } s_set_mac;
 121         struct {
 122                 u64 opcode:8;
 123                 u64 type:2;
 124                 u64 rsvd:6;
 125                 u64 mtu:48;
 126         } s_set_mtu;
 127         struct {
 128                 u64 opcode:8;
 129                 u64 type:2;
 130                 u64 rsvd:6;
 131                 u64 mtu:48;
 132         } s_get_mtu;
 133         struct {
 134                 u64 opcode:8;
 135                 u64 type:2;
 136                 u64 state:1;
 137                 u64 rsvd:53;
 138         } s_link_state;
 139         struct {
 140                 u64 opcode:8;
 141                 u64 type:2;
 142                 u64 status:1;
 143                 u64 rsvd:53;
 144         } s_link_status;
 145         struct {
 146                 u64 opcode:8;
 147                 u64 type:2;
 148                 u64 pkind:8;
 149                 u64 fsz:8;
 150                 u64 rx_ol_flags:16;
 151                 u64 tx_ol_flags:16;
 152                 u64 rsvd:6;
 153         } s_fw_info;
 154         struct {
 155                 u64 opcode:8;
 156                 u64 type:2;
 157                 u64 rsvd:22;
 158                 u64 rx_ol_flags:16;
 159                 u64 tx_ol_flags:16;
 160         } s_offloads;
 161 } __packed;
 162
 163 void octep_pfvf_mbox_work(struct work_struct *work);
 164 int octep_setup_pfvf_mbox(struct octep_device *oct);
 165 void octep_delete_pfvf_mbox(struct octep_device *oct);
 166 void octep_pfvf_notify(struct octep_device *oct, struct octep_ctrl_mbox_msg *msg);
 167 #endif