linux/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h
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   1/* SPDX-License-Identifier: GPL-2.0+ */
   2/* Copyright (c) 2016-2017 Hisilicon Limited. */
   3
   4#ifndef __HCLGEVF_CMD_H
   5#define __HCLGEVF_CMD_H
   6#include <linux/io.h>
   7#include <linux/types.h>
   8#include "hnae3.h"
   9
  10#define HCLGEVF_CMDQ_TX_TIMEOUT         30000
  11#define HCLGEVF_CMDQ_RX_INVLD_B         0
  12#define HCLGEVF_CMDQ_RX_OUTVLD_B        1
  13
  14struct hclgevf_hw;
  15struct hclgevf_dev;
  16
  17struct hclgevf_desc {
  18        __le16 opcode;
  19        __le16 flag;
  20        __le16 retval;
  21        __le16 rsv;
  22        __le32 data[6];
  23};
  24
  25struct hclgevf_desc_cb {
  26        dma_addr_t dma;
  27        void *va;
  28        u32 length;
  29};
  30
  31struct hclgevf_cmq_ring {
  32        dma_addr_t desc_dma_addr;
  33        struct hclgevf_desc *desc;
  34        struct hclgevf_desc_cb *desc_cb;
  35        struct hclgevf_dev  *dev;
  36        u32 head;
  37        u32 tail;
  38
  39        u16 buf_size;
  40        u16 desc_num;
  41        int next_to_use;
  42        int next_to_clean;
  43        u8 flag;
  44        spinlock_t lock; /* Command queue lock */
  45};
  46
  47enum hclgevf_cmd_return_status {
  48        HCLGEVF_CMD_EXEC_SUCCESS        = 0,
  49        HCLGEVF_CMD_NO_AUTH     = 1,
  50        HCLGEVF_CMD_NOT_EXEC    = 2,
  51        HCLGEVF_CMD_QUEUE_FULL  = 3,
  52};
  53
  54enum hclgevf_cmd_status {
  55        HCLGEVF_STATUS_SUCCESS  = 0,
  56        HCLGEVF_ERR_CSQ_FULL    = -1,
  57        HCLGEVF_ERR_CSQ_TIMEOUT = -2,
  58        HCLGEVF_ERR_CSQ_ERROR   = -3
  59};
  60
  61struct hclgevf_cmq {
  62        struct hclgevf_cmq_ring csq;
  63        struct hclgevf_cmq_ring crq;
  64        u16 tx_timeout; /* Tx timeout */
  65        enum hclgevf_cmd_status last_status;
  66};
  67
  68#define HCLGEVF_CMD_FLAG_IN_VALID_SHIFT         0
  69#define HCLGEVF_CMD_FLAG_OUT_VALID_SHIFT        1
  70#define HCLGEVF_CMD_FLAG_NEXT_SHIFT             2
  71#define HCLGEVF_CMD_FLAG_WR_OR_RD_SHIFT         3
  72#define HCLGEVF_CMD_FLAG_NO_INTR_SHIFT          4
  73#define HCLGEVF_CMD_FLAG_ERR_INTR_SHIFT         5
  74
  75#define HCLGEVF_CMD_FLAG_IN             BIT(HCLGEVF_CMD_FLAG_IN_VALID_SHIFT)
  76#define HCLGEVF_CMD_FLAG_OUT            BIT(HCLGEVF_CMD_FLAG_OUT_VALID_SHIFT)
  77#define HCLGEVF_CMD_FLAG_NEXT           BIT(HCLGEVF_CMD_FLAG_NEXT_SHIFT)
  78#define HCLGEVF_CMD_FLAG_WR             BIT(HCLGEVF_CMD_FLAG_WR_OR_RD_SHIFT)
  79#define HCLGEVF_CMD_FLAG_NO_INTR        BIT(HCLGEVF_CMD_FLAG_NO_INTR_SHIFT)
  80#define HCLGEVF_CMD_FLAG_ERR_INTR       BIT(HCLGEVF_CMD_FLAG_ERR_INTR_SHIFT)
  81
  82enum hclgevf_opcode_type {
  83        /* Generic command */
  84        HCLGEVF_OPC_QUERY_FW_VER        = 0x0001,
  85        HCLGEVF_OPC_QUERY_VF_RSRC       = 0x0024,
  86        /* TQP command */
  87        HCLGEVF_OPC_QUERY_TX_STATUS     = 0x0B03,
  88        HCLGEVF_OPC_QUERY_RX_STATUS     = 0x0B13,
  89        HCLGEVF_OPC_CFG_COM_TQP_QUEUE   = 0x0B20,
  90        /* RSS cmd */
  91        HCLGEVF_OPC_RSS_GENERIC_CONFIG  = 0x0D01,
  92        HCLGEVF_OPC_RSS_INDIR_TABLE     = 0x0D07,
  93        HCLGEVF_OPC_RSS_TC_MODE         = 0x0D08,
  94        /* Mailbox cmd */
  95        HCLGEVF_OPC_MBX_VF_TO_PF        = 0x2001,
  96};
  97
  98#define HCLGEVF_TQP_REG_OFFSET          0x80000
  99#define HCLGEVF_TQP_REG_SIZE            0x200
 100
 101struct hclgevf_tqp_map {
 102        __le16 tqp_id;  /* Absolute tqp id for in this pf */
 103        u8 tqp_vf; /* VF id */
 104#define HCLGEVF_TQP_MAP_TYPE_PF         0
 105#define HCLGEVF_TQP_MAP_TYPE_VF         1
 106#define HCLGEVF_TQP_MAP_TYPE_B          0
 107#define HCLGEVF_TQP_MAP_EN_B            1
 108        u8 tqp_flag;    /* Indicate it's pf or vf tqp */
 109        __le16 tqp_vid; /* Virtual id in this pf/vf */
 110        u8 rsv[18];
 111};
 112
 113#define HCLGEVF_VECTOR_ELEMENTS_PER_CMD 10
 114
 115enum hclgevf_int_type {
 116        HCLGEVF_INT_TX = 0,
 117        HCLGEVF_INT_RX,
 118        HCLGEVF_INT_EVENT,
 119};
 120
 121struct hclgevf_ctrl_vector_chain {
 122        u8 int_vector_id;
 123        u8 int_cause_num;
 124#define HCLGEVF_INT_TYPE_S      0
 125#define HCLGEVF_INT_TYPE_M      0x3
 126#define HCLGEVF_TQP_ID_S        2
 127#define HCLGEVF_TQP_ID_M        (0x3fff << HCLGEVF_TQP_ID_S)
 128        __le16 tqp_type_and_id[HCLGEVF_VECTOR_ELEMENTS_PER_CMD];
 129        u8 vfid;
 130        u8 resv;
 131};
 132
 133struct hclgevf_query_version_cmd {
 134        __le32 firmware;
 135        __le32 firmware_rsv[5];
 136};
 137
 138#define HCLGEVF_MSIX_OFT_ROCEE_S       0
 139#define HCLGEVF_MSIX_OFT_ROCEE_M       (0xffff << HCLGEVF_MSIX_OFT_ROCEE_S)
 140#define HCLGEVF_VEC_NUM_S              0
 141#define HCLGEVF_VEC_NUM_M              (0xff << HCLGEVF_VEC_NUM_S)
 142struct hclgevf_query_res_cmd {
 143        __le16 tqp_num;
 144        __le16 reserved;
 145        __le16 msixcap_localid_ba_nic;
 146        __le16 msixcap_localid_ba_rocee;
 147        __le16 vf_intr_vector_number;
 148        __le16 rsv[7];
 149};
 150
 151#define HCLGEVF_RSS_HASH_KEY_OFFSET     4
 152#define HCLGEVF_RSS_HASH_KEY_NUM        16
 153struct hclgevf_rss_config_cmd {
 154        u8 hash_config;
 155        u8 rsv[7];
 156        u8 hash_key[HCLGEVF_RSS_HASH_KEY_NUM];
 157};
 158
 159struct hclgevf_rss_input_tuple_cmd {
 160        u8 ipv4_tcp_en;
 161        u8 ipv4_udp_en;
 162        u8 ipv4_stcp_en;
 163        u8 ipv4_fragment_en;
 164        u8 ipv6_tcp_en;
 165        u8 ipv6_udp_en;
 166        u8 ipv6_stcp_en;
 167        u8 ipv6_fragment_en;
 168        u8 rsv[16];
 169};
 170
 171#define HCLGEVF_RSS_CFG_TBL_SIZE        16
 172
 173struct hclgevf_rss_indirection_table_cmd {
 174        u16 start_table_index;
 175        u16 rss_set_bitmap;
 176        u8 rsv[4];
 177        u8 rss_result[HCLGEVF_RSS_CFG_TBL_SIZE];
 178};
 179
 180#define HCLGEVF_RSS_TC_OFFSET_S         0
 181#define HCLGEVF_RSS_TC_OFFSET_M         (0x3ff << HCLGEVF_RSS_TC_OFFSET_S)
 182#define HCLGEVF_RSS_TC_SIZE_S           12
 183#define HCLGEVF_RSS_TC_SIZE_M           (0x7 << HCLGEVF_RSS_TC_SIZE_S)
 184#define HCLGEVF_RSS_TC_VALID_B          15
 185#define HCLGEVF_MAX_TC_NUM              8
 186struct hclgevf_rss_tc_mode_cmd {
 187        u16 rss_tc_mode[HCLGEVF_MAX_TC_NUM];
 188        u8 rsv[8];
 189};
 190
 191#define HCLGEVF_LINK_STS_B      0
 192#define HCLGEVF_LINK_STATUS     BIT(HCLGEVF_LINK_STS_B)
 193struct hclgevf_link_status_cmd {
 194        u8 status;
 195        u8 rsv[23];
 196};
 197
 198#define HCLGEVF_RING_ID_MASK    0x3ff
 199#define HCLGEVF_TQP_ENABLE_B    0
 200
 201struct hclgevf_cfg_com_tqp_queue_cmd {
 202        __le16 tqp_id;
 203        __le16 stream_id;
 204        u8 enable;
 205        u8 rsv[19];
 206};
 207
 208struct hclgevf_cfg_tx_queue_pointer_cmd {
 209        __le16 tqp_id;
 210        __le16 tx_tail;
 211        __le16 tx_head;
 212        __le16 fbd_num;
 213        __le16 ring_offset;
 214        u8 rsv[14];
 215};
 216
 217#define HCLGEVF_TYPE_CRQ                0
 218#define HCLGEVF_TYPE_CSQ                1
 219#define HCLGEVF_NIC_CSQ_BASEADDR_L_REG  0x27000
 220#define HCLGEVF_NIC_CSQ_BASEADDR_H_REG  0x27004
 221#define HCLGEVF_NIC_CSQ_DEPTH_REG       0x27008
 222#define HCLGEVF_NIC_CSQ_TAIL_REG        0x27010
 223#define HCLGEVF_NIC_CSQ_HEAD_REG        0x27014
 224#define HCLGEVF_NIC_CRQ_BASEADDR_L_REG  0x27018
 225#define HCLGEVF_NIC_CRQ_BASEADDR_H_REG  0x2701c
 226#define HCLGEVF_NIC_CRQ_DEPTH_REG       0x27020
 227#define HCLGEVF_NIC_CRQ_TAIL_REG        0x27024
 228#define HCLGEVF_NIC_CRQ_HEAD_REG        0x27028
 229#define HCLGEVF_NIC_CMQ_EN_B            16
 230#define HCLGEVF_NIC_CMQ_ENABLE          BIT(HCLGEVF_NIC_CMQ_EN_B)
 231#define HCLGEVF_NIC_CMQ_DESC_NUM        1024
 232#define HCLGEVF_NIC_CMQ_DESC_NUM_S      3
 233#define HCLGEVF_NIC_CMDQ_INT_SRC_REG    0x27100
 234
 235static inline void hclgevf_write_reg(void __iomem *base, u32 reg, u32 value)
 236{
 237        writel(value, base + reg);
 238}
 239
 240static inline u32 hclgevf_read_reg(u8 __iomem *base, u32 reg)
 241{
 242        u8 __iomem *reg_addr = READ_ONCE(base);
 243
 244        return readl(reg_addr + reg);
 245}
 246
 247#define hclgevf_write_dev(a, reg, value) \
 248        hclgevf_write_reg((a)->io_base, (reg), (value))
 249#define hclgevf_read_dev(a, reg) \
 250        hclgevf_read_reg((a)->io_base, (reg))
 251
 252#define HCLGEVF_SEND_SYNC(flag) \
 253        ((flag) & HCLGEVF_CMD_FLAG_NO_INTR)
 254
 255int hclgevf_cmd_init(struct hclgevf_dev *hdev);
 256void hclgevf_cmd_uninit(struct hclgevf_dev *hdev);
 257
 258int hclgevf_cmd_send(struct hclgevf_hw *hw, struct hclgevf_desc *desc, int num);
 259void hclgevf_cmd_setup_basic_desc(struct hclgevf_desc *desc,
 260                                  enum hclgevf_opcode_type opcode,
 261                                  bool is_read);
 262#endif
 263