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 14 #define HCLGEVF_MOD_VERSION "1.0" 15 #define HCLGEVF_DRIVER_NAME "hclgevf" 16 17 #define HCLGEVF_MAX_VLAN_ID 4095 18 #define HCLGEVF_MISC_VECTOR_NUM 0 19 20 #define HCLGEVF_INVALID_VPORT 0xffff 21 #define HCLGEVF_GENERAL_TASK_INTERVAL 5 22 #define HCLGEVF_KEEP_ALIVE_TASK_INTERVAL 2 23 24 /* This number in actual depends upon the total number of VFs 25 * created by physical function. But the maximum number of 26 * possible vector-per-VF is {VFn(1-32), VECTn(32 + 1)}. 27 */ 28 #define HCLGEVF_MAX_VF_VECTOR_NUM (32 + 1) 29 30 #define HCLGEVF_VECTOR_REG_BASE 0x20000 31 #define HCLGEVF_MISC_VECTOR_REG_BASE 0x20400 32 #define HCLGEVF_VECTOR_REG_OFFSET 0x4 33 #define HCLGEVF_VECTOR_VF_OFFSET 0x100000 34 35 /* bar registers for cmdq */ 36 #define HCLGEVF_NIC_CSQ_BASEADDR_L_REG 0x27000 37 #define HCLGEVF_NIC_CSQ_BASEADDR_H_REG 0x27004 38 #define HCLGEVF_NIC_CSQ_DEPTH_REG 0x27008 39 #define HCLGEVF_NIC_CSQ_TAIL_REG 0x27010 40 #define HCLGEVF_NIC_CSQ_HEAD_REG 0x27014 41 #define HCLGEVF_NIC_CRQ_BASEADDR_L_REG 0x27018 42 #define HCLGEVF_NIC_CRQ_BASEADDR_H_REG 0x2701C 43 #define HCLGEVF_NIC_CRQ_DEPTH_REG 0x27020 44 #define HCLGEVF_NIC_CRQ_TAIL_REG 0x27024 45 #define HCLGEVF_NIC_CRQ_HEAD_REG 0x27028 46 47 #define HCLGEVF_CMDQ_INTR_EN_REG 0x27108 48 #define HCLGEVF_CMDQ_INTR_GEN_REG 0x2710C 49 50 /* bar registers for common func */ 51 #define HCLGEVF_GRO_EN_REG 0x28000 52 #define HCLGEVF_RXD_ADV_LAYOUT_EN_REG 0x28008 53 54 /* bar registers for rcb */ 55 #define HCLGEVF_RING_RX_ADDR_L_REG 0x80000 56 #define HCLGEVF_RING_RX_ADDR_H_REG 0x80004 57 #define HCLGEVF_RING_RX_BD_NUM_REG 0x80008 58 #define HCLGEVF_RING_RX_BD_LENGTH_REG 0x8000C 59 #define HCLGEVF_RING_RX_MERGE_EN_REG 0x80014 60 #define HCLGEVF_RING_RX_TAIL_REG 0x80018 61 #define HCLGEVF_RING_RX_HEAD_REG 0x8001C 62 #define HCLGEVF_RING_RX_FBD_NUM_REG 0x80020 63 #define HCLGEVF_RING_RX_OFFSET_REG 0x80024 64 #define HCLGEVF_RING_RX_FBD_OFFSET_REG 0x80028 65 #define HCLGEVF_RING_RX_STASH_REG 0x80030 66 #define HCLGEVF_RING_RX_BD_ERR_REG 0x80034 67 #define HCLGEVF_RING_TX_ADDR_L_REG 0x80040 68 #define HCLGEVF_RING_TX_ADDR_H_REG 0x80044 69 #define HCLGEVF_RING_TX_BD_NUM_REG 0x80048 70 #define HCLGEVF_RING_TX_PRIORITY_REG 0x8004C 71 #define HCLGEVF_RING_TX_TC_REG 0x80050 72 #define HCLGEVF_RING_TX_MERGE_EN_REG 0x80054 73 #define HCLGEVF_RING_TX_TAIL_REG 0x80058 74 #define HCLGEVF_RING_TX_HEAD_REG 0x8005C 75 #define HCLGEVF_RING_TX_FBD_NUM_REG 0x80060 76 #define HCLGEVF_RING_TX_OFFSET_REG 0x80064 77 #define HCLGEVF_RING_TX_EBD_NUM_REG 0x80068 78 #define HCLGEVF_RING_TX_EBD_OFFSET_REG 0x80070 79 #define HCLGEVF_RING_TX_BD_ERR_REG 0x80074 80 #define HCLGEVF_RING_EN_REG 0x80090 81 82 /* bar registers for tqp interrupt */ 83 #define HCLGEVF_TQP_INTR_CTRL_REG 0x20000 84 #define HCLGEVF_TQP_INTR_GL0_REG 0x20100 85 #define HCLGEVF_TQP_INTR_GL1_REG 0x20200 86 #define HCLGEVF_TQP_INTR_GL2_REG 0x20300 87 #define HCLGEVF_TQP_INTR_RL_REG 0x20900 88 89 /* Vector0 interrupt CMDQ event source register(RW) */ 90 #define HCLGEVF_VECTOR0_CMDQ_SRC_REG 0x27100 91 /* Vector0 interrupt CMDQ event status register(RO) */ 92 #define HCLGEVF_VECTOR0_CMDQ_STATE_REG 0x27104 93 /* CMDQ register bits for RX event(=MBX event) */ 94 #define HCLGEVF_VECTOR0_RX_CMDQ_INT_B 1 95 /* RST register bits for RESET event */ 96 #define HCLGEVF_VECTOR0_RST_INT_B 2 97 98 #define HCLGEVF_TQP_RESET_TRY_TIMES 10 99 /* Reset related Registers */ 100 #define HCLGEVF_RST_ING 0x20C00 101 #define HCLGEVF_FUN_RST_ING_BIT BIT(0) 102 #define HCLGEVF_GLOBAL_RST_ING_BIT BIT(5) 103 #define HCLGEVF_CORE_RST_ING_BIT BIT(6) 104 #define HCLGEVF_IMP_RST_ING_BIT BIT(7) 105 #define HCLGEVF_RST_ING_BITS \ 106 (HCLGEVF_FUN_RST_ING_BIT | HCLGEVF_GLOBAL_RST_ING_BIT | \ 107 HCLGEVF_CORE_RST_ING_BIT | HCLGEVF_IMP_RST_ING_BIT) 108 109 #define HCLGEVF_VF_RST_ING 0x07008 110 #define HCLGEVF_VF_RST_ING_BIT BIT(16) 111 112 #define HCLGEVF_WAIT_RESET_DONE 100 113 114 #define HCLGEVF_RSS_IND_TBL_SIZE 512 115 #define HCLGEVF_RSS_SET_BITMAP_MSK 0xffff 116 #define HCLGEVF_RSS_KEY_SIZE 40 117 #define HCLGEVF_RSS_HASH_ALGO_TOEPLITZ 0 118 #define HCLGEVF_RSS_HASH_ALGO_SIMPLE 1 119 #define HCLGEVF_RSS_HASH_ALGO_SYMMETRIC 2 120 #define HCLGEVF_RSS_HASH_ALGO_MASK 0xf 121 122 #define HCLGEVF_RSS_INPUT_TUPLE_OTHER GENMASK(3, 0) 123 #define HCLGEVF_RSS_INPUT_TUPLE_SCTP GENMASK(4, 0) 124 #define HCLGEVF_D_PORT_BIT BIT(0) 125 #define HCLGEVF_S_PORT_BIT BIT(1) 126 #define HCLGEVF_D_IP_BIT BIT(2) 127 #define HCLGEVF_S_IP_BIT BIT(3) 128 #define HCLGEVF_V_TAG_BIT BIT(4) 129 #define HCLGEVF_RSS_INPUT_TUPLE_SCTP_NO_PORT \ 130 (HCLGEVF_D_IP_BIT | HCLGEVF_S_IP_BIT | HCLGEVF_V_TAG_BIT) 131 132 #define HCLGEVF_MAC_MAX_FRAME 9728 133 134 #define HCLGEVF_STATS_TIMER_INTERVAL 36U 135 136 enum hclgevf_evt_cause { 137 HCLGEVF_VECTOR0_EVENT_RST, 138 HCLGEVF_VECTOR0_EVENT_MBX, 139 HCLGEVF_VECTOR0_EVENT_OTHER, 140 }; 141 142 /* states of hclgevf device & tasks */ 143 enum hclgevf_states { 144 /* device states */ 145 HCLGEVF_STATE_DOWN, 146 HCLGEVF_STATE_DISABLED, 147 HCLGEVF_STATE_IRQ_INITED, 148 HCLGEVF_STATE_REMOVING, 149 HCLGEVF_STATE_NIC_REGISTERED, 150 HCLGEVF_STATE_ROCE_REGISTERED, 151 HCLGEVF_STATE_SERVICE_INITED, 152 /* task states */ 153 HCLGEVF_STATE_RST_SERVICE_SCHED, 154 HCLGEVF_STATE_RST_HANDLING, 155 HCLGEVF_STATE_MBX_SERVICE_SCHED, 156 HCLGEVF_STATE_MBX_HANDLING, 157 HCLGEVF_STATE_CMD_DISABLE, 158 HCLGEVF_STATE_LINK_UPDATING, 159 HCLGEVF_STATE_PROMISC_CHANGED, 160 HCLGEVF_STATE_RST_FAIL, 161 HCLGEVF_STATE_PF_PUSH_LINK_STATUS, 162 }; 163 164 struct hclgevf_mac { 165 u8 media_type; 166 u8 module_type; 167 u8 mac_addr[ETH_ALEN]; 168 int link; 169 u8 duplex; 170 u32 speed; 171 u64 supported; 172 u64 advertising; 173 }; 174 175 struct hclgevf_hw { 176 void __iomem *io_base; 177 void __iomem *mem_base; 178 int num_vec; 179 struct hclgevf_cmq cmq; 180 struct hclgevf_mac mac; 181 void *hdev; /* hchgevf device it is part of */ 182 }; 183 184 /* TQP stats */ 185 struct hlcgevf_tqp_stats { 186 /* query_tqp_tx_queue_statistics, opcode id: 0x0B03 */ 187 u64 rcb_tx_ring_pktnum_rcd; /* 32bit */ 188 /* query_tqp_rx_queue_statistics, opcode id: 0x0B13 */ 189 u64 rcb_rx_ring_pktnum_rcd; /* 32bit */ 190 }; 191 192 struct hclgevf_tqp { 193 struct device *dev; /* device for DMA mapping */ 194 struct hnae3_queue q; 195 struct hlcgevf_tqp_stats tqp_stats; 196 u16 index; /* global index in a NIC controller */ 197 198 bool alloced; 199 }; 200 201 struct hclgevf_cfg { 202 u8 tc_num; 203 u16 tqp_desc_num; 204 u16 rx_buf_len; 205 u8 phy_addr; 206 u8 media_type; 207 u8 mac_addr[ETH_ALEN]; 208 u32 numa_node_map; 209 }; 210 211 struct hclgevf_rss_tuple_cfg { 212 u8 ipv4_tcp_en; 213 u8 ipv4_udp_en; 214 u8 ipv4_sctp_en; 215 u8 ipv4_fragment_en; 216 u8 ipv6_tcp_en; 217 u8 ipv6_udp_en; 218 u8 ipv6_sctp_en; 219 u8 ipv6_fragment_en; 220 }; 221 222 struct hclgevf_rss_cfg { 223 u8 rss_hash_key[HCLGEVF_RSS_KEY_SIZE]; /* user configured hash keys */ 224 u32 hash_algo; 225 u32 rss_size; 226 u8 hw_tc_map; 227 /* shadow table */ 228 u8 *rss_indirection_tbl; 229 struct hclgevf_rss_tuple_cfg rss_tuple_sets; 230 }; 231 232 struct hclgevf_misc_vector { 233 u8 __iomem *addr; 234 int vector_irq; 235 char name[HNAE3_INT_NAME_LEN]; 236 }; 237 238 struct hclgevf_rst_stats { 239 u32 rst_cnt; /* the number of reset */ 240 u32 vf_func_rst_cnt; /* the number of VF function reset */ 241 u32 flr_rst_cnt; /* the number of FLR */ 242 u32 vf_rst_cnt; /* the number of VF reset */ 243 u32 rst_done_cnt; /* the number of reset completed */ 244 u32 hw_rst_done_cnt; /* the number of HW reset completed */ 245 u32 rst_fail_cnt; /* the number of VF reset fail */ 246 }; 247 248 enum HCLGEVF_MAC_ADDR_TYPE { 249 HCLGEVF_MAC_ADDR_UC, 250 HCLGEVF_MAC_ADDR_MC 251 }; 252 253 enum HCLGEVF_MAC_NODE_STATE { 254 HCLGEVF_MAC_TO_ADD, 255 HCLGEVF_MAC_TO_DEL, 256 HCLGEVF_MAC_ACTIVE 257 }; 258 259 struct hclgevf_mac_addr_node { 260 struct list_head node; 261 enum HCLGEVF_MAC_NODE_STATE state; 262 u8 mac_addr[ETH_ALEN]; 263 }; 264 265 struct hclgevf_mac_table_cfg { 266 spinlock_t mac_list_lock; /* protect mac address need to add/detele */ 267 struct list_head uc_mac_list; 268 struct list_head mc_mac_list; 269 }; 270 271 struct hclgevf_dev { 272 struct pci_dev *pdev; 273 struct hnae3_ae_dev *ae_dev; 274 struct hclgevf_hw hw; 275 struct hclgevf_misc_vector misc_vector; 276 struct hclgevf_rss_cfg rss_cfg; 277 unsigned long state; 278 unsigned long flr_state; 279 unsigned long default_reset_request; 280 unsigned long last_reset_time; 281 enum hnae3_reset_type reset_level; 282 unsigned long reset_pending; 283 enum hnae3_reset_type reset_type; 284 285 #define HCLGEVF_RESET_REQUESTED 0 286 #define HCLGEVF_RESET_PENDING 1 287 unsigned long reset_state; /* requested, pending */ 288 struct hclgevf_rst_stats rst_stats; 289 u32 reset_attempts; 290 struct semaphore reset_sem; /* protect reset process */ 291 292 u32 fw_version; 293 u16 mbx_api_version; 294 u16 num_tqps; /* num task queue pairs of this VF */ 295 296 u16 alloc_rss_size; /* allocated RSS task queue */ 297 u16 rss_size_max; /* HW defined max RSS task queue */ 298 299 u16 num_alloc_vport; /* num vports this driver supports */ 300 u32 numa_node_mask; 301 u16 rx_buf_len; 302 u16 num_tx_desc; /* desc num of per tx queue */ 303 u16 num_rx_desc; /* desc num of per rx queue */ 304 u8 hw_tc_map; 305 u8 has_pf_mac; 306 307 u16 num_msi; 308 u16 num_msi_left; 309 u16 num_msi_used; 310 u16 num_nic_msix; /* Num of nic vectors for this VF */ 311 u16 num_roce_msix; /* Num of roce vectors for this VF */ 312 u16 roce_base_msix_offset; 313 u16 *vector_status; 314 int *vector_irq; 315 316 bool gro_en; 317 318 unsigned long vlan_del_fail_bmap[BITS_TO_LONGS(VLAN_N_VID)]; 319 320 struct hclgevf_mac_table_cfg mac_table; 321 322 struct hclgevf_mbx_resp_status mbx_resp; /* mailbox response */ 323 struct hclgevf_mbx_arq_ring arq; /* mailbox async rx queue */ 324 325 struct delayed_work service_task; 326 327 struct hclgevf_tqp *htqp; 328 329 struct hnae3_handle nic; 330 struct hnae3_handle roce; 331 332 struct hnae3_client *nic_client; 333 struct hnae3_client *roce_client; 334 u32 flag; 335 unsigned long serv_processed_cnt; 336 unsigned long last_serv_processed; 337 338 struct devlink *devlink; 339 }; 340 341 static inline bool hclgevf_is_reset_pending(struct hclgevf_dev *hdev) 342 { 343 return !!hdev->reset_pending; 344 } 345 346 int hclgevf_send_mbx_msg(struct hclgevf_dev *hdev, 347 struct hclge_vf_to_pf_msg *send_msg, bool need_resp, 348 u8 *resp_data, u16 resp_len); 349 void hclgevf_mbx_handler(struct hclgevf_dev *hdev); 350 void hclgevf_mbx_async_handler(struct hclgevf_dev *hdev); 351 352 void hclgevf_update_link_status(struct hclgevf_dev *hdev, int link_state); 353 void hclgevf_update_speed_duplex(struct hclgevf_dev *hdev, u32 speed, 354 u8 duplex); 355 void hclgevf_reset_task_schedule(struct hclgevf_dev *hdev); 356 void hclgevf_mbx_task_schedule(struct hclgevf_dev *hdev); 357 void hclgevf_update_port_base_vlan_info(struct hclgevf_dev *hdev, u16 state, 358 u8 *port_base_vlan_info, u8 data_size); 359 #endif 360