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 14 struct hclgevf_hw; 15 struct hclgevf_dev; 16 17 struct hclgevf_desc { 18 __le16 opcode; 19 __le16 flag; 20 __le16 retval; 21 __le16 rsv; 22 __le32 data[6]; 23 }; 24 25 struct hclgevf_desc_cb { 26 dma_addr_t dma; 27 void *va; 28 u32 length; 29 }; 30 31 struct 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 47 enum hclgevf_cmd_return_status { 48 HCLGEVF_CMD_EXEC_SUCCESS = 0, 49 HCLGEVF_CMD_NO_AUTH = 1, 50 HCLGEVF_CMD_NOT_SUPPORTED = 2, 51 HCLGEVF_CMD_QUEUE_FULL = 3, 52 HCLGEVF_CMD_NEXT_ERR = 4, 53 HCLGEVF_CMD_UNEXE_ERR = 5, 54 HCLGEVF_CMD_PARA_ERR = 6, 55 HCLGEVF_CMD_RESULT_ERR = 7, 56 HCLGEVF_CMD_TIMEOUT = 8, 57 HCLGEVF_CMD_HILINK_ERR = 9, 58 HCLGEVF_CMD_QUEUE_ILLEGAL = 10, 59 HCLGEVF_CMD_INVALID = 11, 60 }; 61 62 enum hclgevf_cmd_status { 63 HCLGEVF_STATUS_SUCCESS = 0, 64 HCLGEVF_ERR_CSQ_FULL = -1, 65 HCLGEVF_ERR_CSQ_TIMEOUT = -2, 66 HCLGEVF_ERR_CSQ_ERROR = -3 67 }; 68 69 struct hclgevf_cmq { 70 struct hclgevf_cmq_ring csq; 71 struct hclgevf_cmq_ring crq; 72 u16 tx_timeout; /* Tx timeout */ 73 enum hclgevf_cmd_status last_status; 74 }; 75 76 #define HCLGEVF_CMD_FLAG_IN_VALID_SHIFT 0 77 #define HCLGEVF_CMD_FLAG_OUT_VALID_SHIFT 1 78 #define HCLGEVF_CMD_FLAG_NEXT_SHIFT 2 79 #define HCLGEVF_CMD_FLAG_WR_OR_RD_SHIFT 3 80 #define HCLGEVF_CMD_FLAG_NO_INTR_SHIFT 4 81 #define HCLGEVF_CMD_FLAG_ERR_INTR_SHIFT 5 82 83 #define HCLGEVF_CMD_FLAG_IN BIT(HCLGEVF_CMD_FLAG_IN_VALID_SHIFT) 84 #define HCLGEVF_CMD_FLAG_OUT BIT(HCLGEVF_CMD_FLAG_OUT_VALID_SHIFT) 85 #define HCLGEVF_CMD_FLAG_NEXT BIT(HCLGEVF_CMD_FLAG_NEXT_SHIFT) 86 #define HCLGEVF_CMD_FLAG_WR BIT(HCLGEVF_CMD_FLAG_WR_OR_RD_SHIFT) 87 #define HCLGEVF_CMD_FLAG_NO_INTR BIT(HCLGEVF_CMD_FLAG_NO_INTR_SHIFT) 88 #define HCLGEVF_CMD_FLAG_ERR_INTR BIT(HCLGEVF_CMD_FLAG_ERR_INTR_SHIFT) 89 90 enum hclgevf_opcode_type { 91 /* Generic command */ 92 HCLGEVF_OPC_QUERY_FW_VER = 0x0001, 93 HCLGEVF_OPC_QUERY_VF_RSRC = 0x0024, 94 /* TQP command */ 95 HCLGEVF_OPC_QUERY_TX_STATUS = 0x0B03, 96 HCLGEVF_OPC_QUERY_RX_STATUS = 0x0B13, 97 HCLGEVF_OPC_CFG_COM_TQP_QUEUE = 0x0B20, 98 /* GRO command */ 99 HCLGEVF_OPC_GRO_GENERIC_CONFIG = 0x0C10, 100 /* RSS cmd */ 101 HCLGEVF_OPC_RSS_GENERIC_CONFIG = 0x0D01, 102 HCLGEVF_OPC_RSS_INPUT_TUPLE = 0x0D02, 103 HCLGEVF_OPC_RSS_INDIR_TABLE = 0x0D07, 104 HCLGEVF_OPC_RSS_TC_MODE = 0x0D08, 105 /* Mailbox cmd */ 106 HCLGEVF_OPC_MBX_VF_TO_PF = 0x2001, 107 }; 108 109 #define HCLGEVF_TQP_REG_OFFSET 0x80000 110 #define HCLGEVF_TQP_REG_SIZE 0x200 111 112 struct hclgevf_tqp_map { 113 __le16 tqp_id; /* Absolute tqp id for in this pf */ 114 u8 tqp_vf; /* VF id */ 115 #define HCLGEVF_TQP_MAP_TYPE_PF 0 116 #define HCLGEVF_TQP_MAP_TYPE_VF 1 117 #define HCLGEVF_TQP_MAP_TYPE_B 0 118 #define HCLGEVF_TQP_MAP_EN_B 1 119 u8 tqp_flag; /* Indicate it's pf or vf tqp */ 120 __le16 tqp_vid; /* Virtual id in this pf/vf */ 121 u8 rsv[18]; 122 }; 123 124 #define HCLGEVF_VECTOR_ELEMENTS_PER_CMD 10 125 126 enum hclgevf_int_type { 127 HCLGEVF_INT_TX = 0, 128 HCLGEVF_INT_RX, 129 HCLGEVF_INT_EVENT, 130 }; 131 132 struct hclgevf_ctrl_vector_chain { 133 u8 int_vector_id; 134 u8 int_cause_num; 135 #define HCLGEVF_INT_TYPE_S 0 136 #define HCLGEVF_INT_TYPE_M 0x3 137 #define HCLGEVF_TQP_ID_S 2 138 #define HCLGEVF_TQP_ID_M (0x3fff << HCLGEVF_TQP_ID_S) 139 __le16 tqp_type_and_id[HCLGEVF_VECTOR_ELEMENTS_PER_CMD]; 140 u8 vfid; 141 u8 resv; 142 }; 143 144 struct hclgevf_query_version_cmd { 145 __le32 firmware; 146 __le32 firmware_rsv[5]; 147 }; 148 149 #define HCLGEVF_MSIX_OFT_ROCEE_S 0 150 #define HCLGEVF_MSIX_OFT_ROCEE_M (0xffff << HCLGEVF_MSIX_OFT_ROCEE_S) 151 #define HCLGEVF_VEC_NUM_S 0 152 #define HCLGEVF_VEC_NUM_M (0xff << HCLGEVF_VEC_NUM_S) 153 struct hclgevf_query_res_cmd { 154 __le16 tqp_num; 155 __le16 reserved; 156 __le16 msixcap_localid_ba_nic; 157 __le16 msixcap_localid_ba_rocee; 158 __le16 vf_intr_vector_number; 159 __le16 rsv[7]; 160 }; 161 162 #define HCLGEVF_GRO_EN_B 0 163 struct hclgevf_cfg_gro_status_cmd { 164 __le16 gro_en; 165 u8 rsv[22]; 166 }; 167 168 #define HCLGEVF_RSS_DEFAULT_OUTPORT_B 4 169 #define HCLGEVF_RSS_HASH_KEY_OFFSET_B 4 170 #define HCLGEVF_RSS_HASH_KEY_NUM 16 171 struct hclgevf_rss_config_cmd { 172 u8 hash_config; 173 u8 rsv[7]; 174 u8 hash_key[HCLGEVF_RSS_HASH_KEY_NUM]; 175 }; 176 177 struct hclgevf_rss_input_tuple_cmd { 178 u8 ipv4_tcp_en; 179 u8 ipv4_udp_en; 180 u8 ipv4_sctp_en; 181 u8 ipv4_fragment_en; 182 u8 ipv6_tcp_en; 183 u8 ipv6_udp_en; 184 u8 ipv6_sctp_en; 185 u8 ipv6_fragment_en; 186 u8 rsv[16]; 187 }; 188 189 #define HCLGEVF_RSS_CFG_TBL_SIZE 16 190 191 struct hclgevf_rss_indirection_table_cmd { 192 u16 start_table_index; 193 u16 rss_set_bitmap; 194 u8 rsv[4]; 195 u8 rss_result[HCLGEVF_RSS_CFG_TBL_SIZE]; 196 }; 197 198 #define HCLGEVF_RSS_TC_OFFSET_S 0 199 #define HCLGEVF_RSS_TC_OFFSET_M (0x3ff << HCLGEVF_RSS_TC_OFFSET_S) 200 #define HCLGEVF_RSS_TC_SIZE_S 12 201 #define HCLGEVF_RSS_TC_SIZE_M (0x7 << HCLGEVF_RSS_TC_SIZE_S) 202 #define HCLGEVF_RSS_TC_VALID_B 15 203 #define HCLGEVF_MAX_TC_NUM 8 204 struct hclgevf_rss_tc_mode_cmd { 205 u16 rss_tc_mode[HCLGEVF_MAX_TC_NUM]; 206 u8 rsv[8]; 207 }; 208 209 #define HCLGEVF_LINK_STS_B 0 210 #define HCLGEVF_LINK_STATUS BIT(HCLGEVF_LINK_STS_B) 211 struct hclgevf_link_status_cmd { 212 u8 status; 213 u8 rsv[23]; 214 }; 215 216 #define HCLGEVF_RING_ID_MASK 0x3ff 217 #define HCLGEVF_TQP_ENABLE_B 0 218 219 struct hclgevf_cfg_com_tqp_queue_cmd { 220 __le16 tqp_id; 221 __le16 stream_id; 222 u8 enable; 223 u8 rsv[19]; 224 }; 225 226 struct hclgevf_cfg_tx_queue_pointer_cmd { 227 __le16 tqp_id; 228 __le16 tx_tail; 229 __le16 tx_head; 230 __le16 fbd_num; 231 __le16 ring_offset; 232 u8 rsv[14]; 233 }; 234 235 #define HCLGEVF_TYPE_CRQ 0 236 #define HCLGEVF_TYPE_CSQ 1 237 #define HCLGEVF_NIC_CSQ_BASEADDR_L_REG 0x27000 238 #define HCLGEVF_NIC_CSQ_BASEADDR_H_REG 0x27004 239 #define HCLGEVF_NIC_CSQ_DEPTH_REG 0x27008 240 #define HCLGEVF_NIC_CSQ_TAIL_REG 0x27010 241 #define HCLGEVF_NIC_CSQ_HEAD_REG 0x27014 242 #define HCLGEVF_NIC_CRQ_BASEADDR_L_REG 0x27018 243 #define HCLGEVF_NIC_CRQ_BASEADDR_H_REG 0x2701c 244 #define HCLGEVF_NIC_CRQ_DEPTH_REG 0x27020 245 #define HCLGEVF_NIC_CRQ_TAIL_REG 0x27024 246 #define HCLGEVF_NIC_CRQ_HEAD_REG 0x27028 247 248 /* this bit indicates that the driver is ready for hardware reset */ 249 #define HCLGEVF_NIC_SW_RST_RDY_B 16 250 #define HCLGEVF_NIC_SW_RST_RDY BIT(HCLGEVF_NIC_SW_RST_RDY_B) 251 252 #define HCLGEVF_NIC_CMQ_DESC_NUM 1024 253 #define HCLGEVF_NIC_CMQ_DESC_NUM_S 3 254 #define HCLGEVF_NIC_CMDQ_INT_SRC_REG 0x27100 255 256 static inline void hclgevf_write_reg(void __iomem *base, u32 reg, u32 value) 257 { 258 writel(value, base + reg); 259 } 260 261 static inline u32 hclgevf_read_reg(u8 __iomem *base, u32 reg) 262 { 263 u8 __iomem *reg_addr = READ_ONCE(base); 264 265 return readl(reg_addr + reg); 266 } 267 268 #define hclgevf_write_dev(a, reg, value) \ 269 hclgevf_write_reg((a)->io_base, (reg), (value)) 270 #define hclgevf_read_dev(a, reg) \ 271 hclgevf_read_reg((a)->io_base, (reg)) 272 273 #define HCLGEVF_SEND_SYNC(flag) \ 274 ((flag) & HCLGEVF_CMD_FLAG_NO_INTR) 275 276 int hclgevf_cmd_init(struct hclgevf_dev *hdev); 277 void hclgevf_cmd_uninit(struct hclgevf_dev *hdev); 278 int hclgevf_cmd_queue_init(struct hclgevf_dev *hdev); 279 280 int hclgevf_cmd_send(struct hclgevf_hw *hw, struct hclgevf_desc *desc, int num); 281 void hclgevf_cmd_setup_basic_desc(struct hclgevf_desc *desc, 282 enum hclgevf_opcode_type opcode, 283 bool is_read); 284 #endif 285