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/types.h> 8 #include "hclge_mbx.h" 9 #include "hclgevf_cmd.h" 10 #include "hnae3.h" 11 12 #define HCLGEVF_MOD_VERSION "1.0" 13 #define HCLGEVF_DRIVER_NAME "hclgevf" 14 15 #define HCLGEVF_MISC_VECTOR_NUM 0 16 17 #define HCLGEVF_INVALID_VPORT 0xffff 18 19 /* This number in actual depends upon the total number of VFs 20 * created by physical function. But the maximum number of 21 * possible vector-per-VF is {VFn(1-32), VECTn(32 + 1)}. 22 */ 23 #define HCLGEVF_MAX_VF_VECTOR_NUM (32 + 1) 24 25 #define HCLGEVF_VECTOR_REG_BASE 0x20000 26 #define HCLGEVF_MISC_VECTOR_REG_BASE 0x20400 27 #define HCLGEVF_VECTOR_REG_OFFSET 0x4 28 #define HCLGEVF_VECTOR_VF_OFFSET 0x100000 29 30 /* bar registers for cmdq */ 31 #define HCLGEVF_CMDQ_TX_ADDR_L_REG 0x27000 32 #define HCLGEVF_CMDQ_TX_ADDR_H_REG 0x27004 33 #define HCLGEVF_CMDQ_TX_DEPTH_REG 0x27008 34 #define HCLGEVF_CMDQ_TX_TAIL_REG 0x27010 35 #define HCLGEVF_CMDQ_TX_HEAD_REG 0x27014 36 #define HCLGEVF_CMDQ_RX_ADDR_L_REG 0x27018 37 #define HCLGEVF_CMDQ_RX_ADDR_H_REG 0x2701C 38 #define HCLGEVF_CMDQ_RX_DEPTH_REG 0x27020 39 #define HCLGEVF_CMDQ_RX_TAIL_REG 0x27024 40 #define HCLGEVF_CMDQ_RX_HEAD_REG 0x27028 41 #define HCLGEVF_CMDQ_INTR_SRC_REG 0x27100 42 #define HCLGEVF_CMDQ_INTR_STS_REG 0x27104 43 #define HCLGEVF_CMDQ_INTR_EN_REG 0x27108 44 #define HCLGEVF_CMDQ_INTR_GEN_REG 0x2710C 45 46 /* bar registers for common func */ 47 #define HCLGEVF_GRO_EN_REG 0x28000 48 49 /* bar registers for rcb */ 50 #define HCLGEVF_RING_RX_ADDR_L_REG 0x80000 51 #define HCLGEVF_RING_RX_ADDR_H_REG 0x80004 52 #define HCLGEVF_RING_RX_BD_NUM_REG 0x80008 53 #define HCLGEVF_RING_RX_BD_LENGTH_REG 0x8000C 54 #define HCLGEVF_RING_RX_MERGE_EN_REG 0x80014 55 #define HCLGEVF_RING_RX_TAIL_REG 0x80018 56 #define HCLGEVF_RING_RX_HEAD_REG 0x8001C 57 #define HCLGEVF_RING_RX_FBD_NUM_REG 0x80020 58 #define HCLGEVF_RING_RX_OFFSET_REG 0x80024 59 #define HCLGEVF_RING_RX_FBD_OFFSET_REG 0x80028 60 #define HCLGEVF_RING_RX_STASH_REG 0x80030 61 #define HCLGEVF_RING_RX_BD_ERR_REG 0x80034 62 #define HCLGEVF_RING_TX_ADDR_L_REG 0x80040 63 #define HCLGEVF_RING_TX_ADDR_H_REG 0x80044 64 #define HCLGEVF_RING_TX_BD_NUM_REG 0x80048 65 #define HCLGEVF_RING_TX_PRIORITY_REG 0x8004C 66 #define HCLGEVF_RING_TX_TC_REG 0x80050 67 #define HCLGEVF_RING_TX_MERGE_EN_REG 0x80054 68 #define HCLGEVF_RING_TX_TAIL_REG 0x80058 69 #define HCLGEVF_RING_TX_HEAD_REG 0x8005C 70 #define HCLGEVF_RING_TX_FBD_NUM_REG 0x80060 71 #define HCLGEVF_RING_TX_OFFSET_REG 0x80064 72 #define HCLGEVF_RING_TX_EBD_NUM_REG 0x80068 73 #define HCLGEVF_RING_TX_EBD_OFFSET_REG 0x80070 74 #define HCLGEVF_RING_TX_BD_ERR_REG 0x80074 75 #define HCLGEVF_RING_EN_REG 0x80090 76 77 /* bar registers for tqp interrupt */ 78 #define HCLGEVF_TQP_INTR_CTRL_REG 0x20000 79 #define HCLGEVF_TQP_INTR_GL0_REG 0x20100 80 #define HCLGEVF_TQP_INTR_GL1_REG 0x20200 81 #define HCLGEVF_TQP_INTR_GL2_REG 0x20300 82 #define HCLGEVF_TQP_INTR_RL_REG 0x20900 83 84 /* Vector0 interrupt CMDQ event source register(RW) */ 85 #define HCLGEVF_VECTOR0_CMDQ_SRC_REG 0x27100 86 /* CMDQ register bits for RX event(=MBX event) */ 87 #define HCLGEVF_VECTOR0_RX_CMDQ_INT_B 1 88 /* RST register bits for RESET event */ 89 #define HCLGEVF_VECTOR0_RST_INT_B 2 90 91 #define HCLGEVF_TQP_RESET_TRY_TIMES 10 92 /* Reset related Registers */ 93 #define HCLGEVF_RST_ING 0x20C00 94 #define HCLGEVF_FUN_RST_ING_BIT BIT(0) 95 #define HCLGEVF_GLOBAL_RST_ING_BIT BIT(5) 96 #define HCLGEVF_CORE_RST_ING_BIT BIT(6) 97 #define HCLGEVF_IMP_RST_ING_BIT BIT(7) 98 #define HCLGEVF_RST_ING_BITS \ 99 (HCLGEVF_FUN_RST_ING_BIT | HCLGEVF_GLOBAL_RST_ING_BIT | \ 100 HCLGEVF_CORE_RST_ING_BIT | HCLGEVF_IMP_RST_ING_BIT) 101 102 #define HCLGEVF_RSS_IND_TBL_SIZE 512 103 #define HCLGEVF_RSS_SET_BITMAP_MSK 0xffff 104 #define HCLGEVF_RSS_KEY_SIZE 40 105 #define HCLGEVF_RSS_HASH_ALGO_TOEPLITZ 0 106 #define HCLGEVF_RSS_HASH_ALGO_SIMPLE 1 107 #define HCLGEVF_RSS_HASH_ALGO_SYMMETRIC 2 108 #define HCLGEVF_RSS_HASH_ALGO_MASK 0xf 109 #define HCLGEVF_RSS_CFG_TBL_NUM \ 110 (HCLGEVF_RSS_IND_TBL_SIZE / HCLGEVF_RSS_CFG_TBL_SIZE) 111 #define HCLGEVF_RSS_INPUT_TUPLE_OTHER GENMASK(3, 0) 112 #define HCLGEVF_RSS_INPUT_TUPLE_SCTP GENMASK(4, 0) 113 #define HCLGEVF_D_PORT_BIT BIT(0) 114 #define HCLGEVF_S_PORT_BIT BIT(1) 115 #define HCLGEVF_D_IP_BIT BIT(2) 116 #define HCLGEVF_S_IP_BIT BIT(3) 117 #define HCLGEVF_V_TAG_BIT BIT(4) 118 119 enum hclgevf_evt_cause { 120 HCLGEVF_VECTOR0_EVENT_RST, 121 HCLGEVF_VECTOR0_EVENT_MBX, 122 HCLGEVF_VECTOR0_EVENT_OTHER, 123 }; 124 125 /* states of hclgevf device & tasks */ 126 enum hclgevf_states { 127 /* device states */ 128 HCLGEVF_STATE_DOWN, 129 HCLGEVF_STATE_DISABLED, 130 HCLGEVF_STATE_IRQ_INITED, 131 /* task states */ 132 HCLGEVF_STATE_SERVICE_SCHED, 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_CMD_DISABLE, 138 }; 139 140 #define HCLGEVF_MPF_ENBALE 1 141 142 struct hclgevf_mac { 143 u8 media_type; 144 u8 mac_addr[ETH_ALEN]; 145 int link; 146 u8 duplex; 147 u32 speed; 148 }; 149 150 struct hclgevf_hw { 151 void __iomem *io_base; 152 int num_vec; 153 struct hclgevf_cmq cmq; 154 struct hclgevf_mac mac; 155 void *hdev; /* hchgevf device it is part of */ 156 }; 157 158 /* TQP stats */ 159 struct hlcgevf_tqp_stats { 160 /* query_tqp_tx_queue_statistics ,opcode id: 0x0B03 */ 161 u64 rcb_tx_ring_pktnum_rcd; /* 32bit */ 162 /* query_tqp_rx_queue_statistics ,opcode id: 0x0B13 */ 163 u64 rcb_rx_ring_pktnum_rcd; /* 32bit */ 164 }; 165 166 struct hclgevf_tqp { 167 struct device *dev; /* device for DMA mapping */ 168 struct hnae3_queue q; 169 struct hlcgevf_tqp_stats tqp_stats; 170 u16 index; /* global index in a NIC controller */ 171 172 bool alloced; 173 }; 174 175 struct hclgevf_cfg { 176 u8 vmdq_vport_num; 177 u8 tc_num; 178 u16 tqp_desc_num; 179 u16 rx_buf_len; 180 u8 phy_addr; 181 u8 media_type; 182 u8 mac_addr[ETH_ALEN]; 183 u32 numa_node_map; 184 }; 185 186 struct hclgevf_rss_tuple_cfg { 187 u8 ipv4_tcp_en; 188 u8 ipv4_udp_en; 189 u8 ipv4_sctp_en; 190 u8 ipv4_fragment_en; 191 u8 ipv6_tcp_en; 192 u8 ipv6_udp_en; 193 u8 ipv6_sctp_en; 194 u8 ipv6_fragment_en; 195 }; 196 197 struct hclgevf_rss_cfg { 198 u8 rss_hash_key[HCLGEVF_RSS_KEY_SIZE]; /* user configured hash keys */ 199 u32 hash_algo; 200 u32 rss_size; 201 u8 hw_tc_map; 202 u8 rss_indirection_tbl[HCLGEVF_RSS_IND_TBL_SIZE]; /* shadow table */ 203 struct hclgevf_rss_tuple_cfg rss_tuple_sets; 204 }; 205 206 struct hclgevf_misc_vector { 207 u8 __iomem *addr; 208 int vector_irq; 209 }; 210 211 struct hclgevf_dev { 212 struct pci_dev *pdev; 213 struct hnae3_ae_dev *ae_dev; 214 struct hclgevf_hw hw; 215 struct hclgevf_misc_vector misc_vector; 216 struct hclgevf_rss_cfg rss_cfg; 217 unsigned long state; 218 unsigned long flr_state; 219 unsigned long default_reset_request; 220 unsigned long last_reset_time; 221 enum hnae3_reset_type reset_level; 222 unsigned long reset_pending; 223 enum hnae3_reset_type reset_type; 224 225 #define HCLGEVF_RESET_REQUESTED 0 226 #define HCLGEVF_RESET_PENDING 1 227 unsigned long reset_state; /* requested, pending */ 228 unsigned long reset_count; /* the number of reset has been done */ 229 u32 reset_attempts; 230 231 u32 fw_version; 232 u16 num_tqps; /* num task queue pairs of this PF */ 233 234 u16 alloc_rss_size; /* allocated RSS task queue */ 235 u16 rss_size_max; /* HW defined max RSS task queue */ 236 237 u16 num_alloc_vport; /* num vports this driver supports */ 238 u32 numa_node_mask; 239 u16 rx_buf_len; 240 u16 num_desc; 241 u8 hw_tc_map; 242 243 u16 num_msi; 244 u16 num_msi_left; 245 u16 num_msi_used; 246 u16 num_roce_msix; /* Num of roce vectors for this VF */ 247 u16 roce_base_msix_offset; 248 int roce_base_vector; 249 u32 base_msi_vector; 250 u16 *vector_status; 251 int *vector_irq; 252 253 bool mbx_event_pending; 254 struct hclgevf_mbx_resp_status mbx_resp; /* mailbox response */ 255 struct hclgevf_mbx_arq_ring arq; /* mailbox async rx queue */ 256 257 struct timer_list service_timer; 258 struct timer_list keep_alive_timer; 259 struct work_struct service_task; 260 struct work_struct keep_alive_task; 261 struct work_struct rst_service_task; 262 struct work_struct mbx_service_task; 263 264 struct hclgevf_tqp *htqp; 265 266 struct hnae3_handle nic; 267 struct hnae3_handle roce; 268 269 struct hnae3_client *nic_client; 270 struct hnae3_client *roce_client; 271 u32 flag; 272 }; 273 274 static inline bool hclgevf_is_reset_pending(struct hclgevf_dev *hdev) 275 { 276 return !!hdev->reset_pending; 277 } 278 279 int hclgevf_send_mbx_msg(struct hclgevf_dev *hdev, u16 code, u16 subcode, 280 const u8 *msg_data, u8 msg_len, bool need_resp, 281 u8 *resp_data, u16 resp_len); 282 void hclgevf_mbx_handler(struct hclgevf_dev *hdev); 283 void hclgevf_mbx_async_handler(struct hclgevf_dev *hdev); 284 285 void hclgevf_update_link_status(struct hclgevf_dev *hdev, int link_state); 286 void hclgevf_update_speed_duplex(struct hclgevf_dev *hdev, u32 speed, 287 u8 duplex); 288 void hclgevf_reset_task_schedule(struct hclgevf_dev *hdev); 289 void hclgevf_mbx_task_schedule(struct hclgevf_dev *hdev); 290 #endif 291