drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /* Copyright (c) 2016-2017 Hisilicon Limited. */
   3
   4 #ifndef __HCLGEVF_MAIN_H
   5 #define __HCLGEVF_MAIN_H
   6 #include <linux/fs.h>
   7 #include <linux/if_vlan.h>
   8 #include <linux/types.h>
   9 #include <net/devlink.h>
  10 #include "hclge_mbx.h"
  11 #include "hclgevf_cmd.h"
  12 #include "hnae3.h"
  13 #include "hclge_comm_rss.h"
  14 #include "hclge_comm_tqp_stats.h"
  15
  16 #define HCLGEVF_MOD_VERSION "1.0"
  17 #define HCLGEVF_DRIVER_NAME "hclgevf"
  18
  19 #define HCLGEVF_MAX_VLAN_ID     4095
  20 #define HCLGEVF_MISC_VECTOR_NUM         0
  21
  22 #define HCLGEVF_INVALID_VPORT           0xffff
  23 #define HCLGEVF_GENERAL_TASK_INTERVAL     5
  24 #define HCLGEVF_KEEP_ALIVE_TASK_INTERVAL  2
  25
  26 /* This number in actual depends upon the total number of VFs
  27  * created by physical function. But the maximum number of
  28  * possible vector-per-VF is {VFn(1-32), VECTn(32 + 1)}.
  29  */
  30 #define HCLGEVF_MAX_VF_VECTOR_NUM       (32 + 1)
  31
  32 #define HCLGEVF_VECTOR_REG_BASE         0x20000
  33 #define HCLGEVF_MISC_VECTOR_REG_BASE    0x20400
  34 #define HCLGEVF_VECTOR_REG_OFFSET       0x4
  35 #define HCLGEVF_VECTOR_VF_OFFSET                0x100000
  36
  37 /* bar registers for common func */
  38 #define HCLGEVF_GRO_EN_REG                      0x28000
  39 #define HCLGEVF_RXD_ADV_LAYOUT_EN_REG           0x28008
  40
  41 /* bar registers for rcb */
  42 #define HCLGEVF_RING_RX_ADDR_L_REG              0x80000
  43 #define HCLGEVF_RING_RX_ADDR_H_REG              0x80004
  44 #define HCLGEVF_RING_RX_BD_NUM_REG              0x80008
  45 #define HCLGEVF_RING_RX_BD_LENGTH_REG           0x8000C
  46 #define HCLGEVF_RING_RX_MERGE_EN_REG            0x80014
  47 #define HCLGEVF_RING_RX_TAIL_REG                0x80018
  48 #define HCLGEVF_RING_RX_HEAD_REG                0x8001C
  49 #define HCLGEVF_RING_RX_FBD_NUM_REG             0x80020
  50 #define HCLGEVF_RING_RX_OFFSET_REG              0x80024
  51 #define HCLGEVF_RING_RX_FBD_OFFSET_REG          0x80028
  52 #define HCLGEVF_RING_RX_STASH_REG               0x80030
  53 #define HCLGEVF_RING_RX_BD_ERR_REG              0x80034
  54 #define HCLGEVF_RING_TX_ADDR_L_REG              0x80040
  55 #define HCLGEVF_RING_TX_ADDR_H_REG              0x80044
  56 #define HCLGEVF_RING_TX_BD_NUM_REG              0x80048
  57 #define HCLGEVF_RING_TX_PRIORITY_REG            0x8004C
  58 #define HCLGEVF_RING_TX_TC_REG                  0x80050
  59 #define HCLGEVF_RING_TX_MERGE_EN_REG            0x80054
  60 #define HCLGEVF_RING_TX_TAIL_REG                0x80058
  61 #define HCLGEVF_RING_TX_HEAD_REG                0x8005C
  62 #define HCLGEVF_RING_TX_FBD_NUM_REG             0x80060
  63 #define HCLGEVF_RING_TX_OFFSET_REG              0x80064
  64 #define HCLGEVF_RING_TX_EBD_NUM_REG             0x80068
  65 #define HCLGEVF_RING_TX_EBD_OFFSET_REG          0x80070
  66 #define HCLGEVF_RING_TX_BD_ERR_REG              0x80074
  67 #define HCLGEVF_RING_EN_REG                     0x80090
  68
  69 /* bar registers for tqp interrupt */
  70 #define HCLGEVF_TQP_INTR_CTRL_REG               0x20000
  71 #define HCLGEVF_TQP_INTR_GL0_REG                0x20100
  72 #define HCLGEVF_TQP_INTR_GL1_REG                0x20200
  73 #define HCLGEVF_TQP_INTR_GL2_REG                0x20300
  74 #define HCLGEVF_TQP_INTR_RL_REG                 0x20900
  75
  76 /* CMDQ register bits for RX event(=MBX event) */
  77 #define HCLGEVF_VECTOR0_RX_CMDQ_INT_B   1
  78 /* RST register bits for RESET event */
  79 #define HCLGEVF_VECTOR0_RST_INT_B       2
  80
  81 #define HCLGEVF_TQP_RESET_TRY_TIMES     10
  82 /* Reset related Registers */
  83 #define HCLGEVF_RST_ING                 0x20C00
  84 #define HCLGEVF_FUN_RST_ING_BIT         BIT(0)
  85 #define HCLGEVF_GLOBAL_RST_ING_BIT      BIT(5)
  86 #define HCLGEVF_CORE_RST_ING_BIT        BIT(6)
  87 #define HCLGEVF_IMP_RST_ING_BIT         BIT(7)
  88 #define HCLGEVF_RST_ING_BITS \
  89         (HCLGEVF_FUN_RST_ING_BIT | HCLGEVF_GLOBAL_RST_ING_BIT | \
  90          HCLGEVF_CORE_RST_ING_BIT | HCLGEVF_IMP_RST_ING_BIT)
  91
  92 #define HCLGEVF_VF_RST_ING              0x07008
  93 #define HCLGEVF_VF_RST_ING_BIT          BIT(16)
  94
  95 #define HCLGEVF_WAIT_RESET_DONE         100
  96
  97 #define HCLGEVF_RSS_IND_TBL_SIZE                512
  98
  99 #define HCLGEVF_TQP_MEM_SIZE            0x10000
 100 #define HCLGEVF_MEM_BAR                 4
 101 /* in the bar4, the first half is for roce, and the second half is for nic */
 102 #define HCLGEVF_NIC_MEM_OFFSET(hdev)    \
 103         (pci_resource_len((hdev)->pdev, HCLGEVF_MEM_BAR) >> 1)
 104 #define HCLGEVF_TQP_MEM_OFFSET(hdev, i)         \
 105         (HCLGEVF_NIC_MEM_OFFSET(hdev) + HCLGEVF_TQP_MEM_SIZE * (i))
 106
 107 #define HCLGEVF_MAC_MAX_FRAME           9728
 108
 109 #define HCLGEVF_STATS_TIMER_INTERVAL    36U
 110
 111 #define hclgevf_read_dev(a, reg) \
 112         hclge_comm_read_reg((a)->hw.io_base, reg)
 113 #define hclgevf_write_dev(a, reg, value) \
 114         hclge_comm_write_reg((a)->hw.io_base, reg, value)
 115
 116 enum hclgevf_evt_cause {
 117         HCLGEVF_VECTOR0_EVENT_RST,
 118         HCLGEVF_VECTOR0_EVENT_MBX,
 119         HCLGEVF_VECTOR0_EVENT_OTHER,
 120 };
 121
 122 /* states of hclgevf device & tasks */
 123 enum hclgevf_states {
 124         /* device states */
 125         HCLGEVF_STATE_DOWN,
 126         HCLGEVF_STATE_DISABLED,
 127         HCLGEVF_STATE_IRQ_INITED,
 128         HCLGEVF_STATE_REMOVING,
 129         HCLGEVF_STATE_NIC_REGISTERED,
 130         HCLGEVF_STATE_ROCE_REGISTERED,
 131         HCLGEVF_STATE_SERVICE_INITED,
 132         /* task states */
 133         HCLGEVF_STATE_RST_SERVICE_SCHED,
 134         HCLGEVF_STATE_RST_HANDLING,
 135         HCLGEVF_STATE_MBX_SERVICE_SCHED,
 136         HCLGEVF_STATE_MBX_HANDLING,
 137         HCLGEVF_STATE_LINK_UPDATING,
 138         HCLGEVF_STATE_PROMISC_CHANGED,
 139         HCLGEVF_STATE_RST_FAIL,
 140         HCLGEVF_STATE_PF_PUSH_LINK_STATUS,
 141 };
 142
 143 struct hclgevf_mac {
 144         u8 media_type;
 145         u8 module_type;
 146         u8 mac_addr[ETH_ALEN];
 147         int link;
 148         u8 duplex;
 149         u32 speed;
 150         u64 supported;
 151         u64 advertising;
 152 };
 153
 154 struct hclgevf_hw {
 155         struct hclge_comm_hw hw;
 156         int num_vec;
 157         struct hclgevf_mac mac;
 158 };
 159
 160 struct hclgevf_cfg {
 161         u8 tc_num;
 162         u16 tqp_desc_num;
 163         u16 rx_buf_len;
 164         u8 phy_addr;
 165         u8 media_type;
 166         u8 mac_addr[ETH_ALEN];
 167         u32 numa_node_map;
 168 };
 169
 170 struct hclgevf_misc_vector {
 171         u8 __iomem *addr;
 172         int vector_irq;
 173         char name[HNAE3_INT_NAME_LEN];
 174 };
 175
 176 struct hclgevf_rst_stats {
 177         u32 rst_cnt;                    /* the number of reset */
 178         u32 vf_func_rst_cnt;            /* the number of VF function reset */
 179         u32 flr_rst_cnt;                /* the number of FLR */
 180         u32 vf_rst_cnt;                 /* the number of VF reset */
 181         u32 rst_done_cnt;               /* the number of reset completed */
 182         u32 hw_rst_done_cnt;            /* the number of HW reset completed */
 183         u32 rst_fail_cnt;               /* the number of VF reset fail */
 184 };
 185
 186 enum HCLGEVF_MAC_ADDR_TYPE {
 187         HCLGEVF_MAC_ADDR_UC,
 188         HCLGEVF_MAC_ADDR_MC
 189 };
 190
 191 enum HCLGEVF_MAC_NODE_STATE {
 192         HCLGEVF_MAC_TO_ADD,
 193         HCLGEVF_MAC_TO_DEL,
 194         HCLGEVF_MAC_ACTIVE
 195 };
 196
 197 struct hclgevf_mac_addr_node {
 198         struct list_head node;
 199         enum HCLGEVF_MAC_NODE_STATE state;
 200         u8 mac_addr[ETH_ALEN];
 201 };
 202
 203 struct hclgevf_mac_table_cfg {
 204         spinlock_t mac_list_lock; /* protect mac address need to add/detele */
 205         struct list_head uc_mac_list;
 206         struct list_head mc_mac_list;
 207 };
 208
 209 struct hclgevf_dev {
 210         struct pci_dev *pdev;
 211         struct hnae3_ae_dev *ae_dev;
 212         struct hclgevf_hw hw;
 213         struct hclgevf_misc_vector misc_vector;
 214         struct hclge_comm_rss_cfg rss_cfg;
 215         unsigned long state;
 216         unsigned long flr_state;
 217         unsigned long default_reset_request;
 218         unsigned long last_reset_time;
 219         enum hnae3_reset_type reset_level;
 220         unsigned long reset_pending;
 221         enum hnae3_reset_type reset_type;
 222         struct timer_list reset_timer;
 223
 224 #define HCLGEVF_RESET_REQUESTED         0
 225 #define HCLGEVF_RESET_PENDING           1
 226         unsigned long reset_state;      /* requested, pending */
 227         struct hclgevf_rst_stats rst_stats;
 228         u32 reset_attempts;
 229         struct semaphore reset_sem;     /* protect reset process */
 230
 231         u32 fw_version;
 232         u16 mbx_api_version;
 233         u16 num_tqps;           /* num task queue pairs of this VF */
 234
 235         u16 alloc_rss_size;     /* allocated RSS task queue */
 236         u16 rss_size_max;       /* HW defined max RSS task queue */
 237
 238         u16 num_alloc_vport;    /* num vports this driver supports */
 239         nodemask_t numa_node_mask;
 240         u16 rx_buf_len;
 241         u16 num_tx_desc;        /* desc num of per tx queue */
 242         u16 num_rx_desc;        /* desc num of per rx queue */
 243         u8 hw_tc_map;
 244         u8 has_pf_mac;
 245
 246         u16 num_msi;
 247         u16 num_msi_left;
 248         u16 num_msi_used;
 249         u16 num_nic_msix;       /* Num of nic vectors for this VF */
 250         u16 num_roce_msix;      /* Num of roce vectors for this VF */
 251         u16 roce_base_msix_offset;
 252         u16 *vector_status;
 253         int *vector_irq;
 254
 255         bool gro_en;
 256
 257         unsigned long vlan_del_fail_bmap[BITS_TO_LONGS(VLAN_N_VID)];
 258
 259         struct hclgevf_mac_table_cfg mac_table;
 260
 261         struct hclgevf_mbx_resp_status mbx_resp; /* mailbox response */
 262         struct hclgevf_mbx_arq_ring arq; /* mailbox async rx queue */
 263
 264         struct delayed_work service_task;
 265
 266         struct hclge_comm_tqp *htqp;
 267
 268         struct hnae3_handle nic;
 269         struct hnae3_handle roce;
 270
 271         struct hnae3_client *nic_client;
 272         struct hnae3_client *roce_client;
 273         u32 flag;
 274         unsigned long serv_processed_cnt;
 275         unsigned long last_serv_processed;
 276
 277         struct devlink *devlink;
 278 };
 279
 280 static inline bool hclgevf_is_reset_pending(struct hclgevf_dev *hdev)
 281 {
 282         return !!hdev->reset_pending;
 283 }
 284
 285 int hclgevf_send_mbx_msg(struct hclgevf_dev *hdev,
 286                          struct hclge_vf_to_pf_msg *send_msg, bool need_resp,
 287                          u8 *resp_data, u16 resp_len);
 288 void hclgevf_mbx_handler(struct hclgevf_dev *hdev);
 289 void hclgevf_mbx_async_handler(struct hclgevf_dev *hdev);
 290
 291 void hclgevf_update_link_status(struct hclgevf_dev *hdev, int link_state);
 292 void hclgevf_update_speed_duplex(struct hclgevf_dev *hdev, u32 speed,
 293                                  u8 duplex);
 294 void hclgevf_reset_task_schedule(struct hclgevf_dev *hdev);
 295 void hclgevf_mbx_task_schedule(struct hclgevf_dev *hdev);
 296 void hclgevf_update_port_base_vlan_info(struct hclgevf_dev *hdev, u16 state,
 297                         struct hclge_mbx_port_base_vlan *port_base_vlan);
 298 struct hclgevf_dev *hclgevf_ae_get_hdev(struct hnae3_handle *handle);
 299 #endif