1b2292360Sliuzhongzhu // SPDX-License-Identifier: GPL-2.0+ 2b2292360Sliuzhongzhu /* Copyright (c) 2018-2019 Hisilicon Limited. */ 3b2292360Sliuzhongzhu 4b2292360Sliuzhongzhu #include <linux/debugfs.h> 5b2292360Sliuzhongzhu #include <linux/device.h> 6b2292360Sliuzhongzhu 7b2292360Sliuzhongzhu #include "hnae3.h" 85e69ea7eSYufeng Mo #include "hns3_debugfs.h" 9b2292360Sliuzhongzhu #include "hns3_enet.h" 10b2292360Sliuzhongzhu 11b2292360Sliuzhongzhu static struct dentry *hns3_dbgfs_root; 12b2292360Sliuzhongzhu 135e69ea7eSYufeng Mo static struct hns3_dbg_dentry_info hns3_dbg_dentry[] = { 145e69ea7eSYufeng Mo { 155e69ea7eSYufeng Mo .name = "tm" 165e69ea7eSYufeng Mo }, 1777e91848SHuazhong Tan { 1877e91848SHuazhong Tan .name = "tx_bd_info" 1977e91848SHuazhong Tan }, 2077e91848SHuazhong Tan { 2177e91848SHuazhong Tan .name = "rx_bd_info" 2277e91848SHuazhong Tan }, 231556ea91SHuazhong Tan { 241556ea91SHuazhong Tan .name = "mac_list" 251556ea91SHuazhong Tan }, 26d96b0e59SYufeng Mo { 27d96b0e59SYufeng Mo .name = "reg" 28d96b0e59SYufeng Mo }, 29d2f737cfSHao Chen { 30d2f737cfSHao Chen .name = "queue" 31d2f737cfSHao Chen }, 32b5a0b70dSHao Chen { 33b5a0b70dSHao Chen .name = "fd" 34b5a0b70dSHao Chen }, 355e69ea7eSYufeng Mo /* keep common at the bottom and add new directory above */ 365e69ea7eSYufeng Mo { 375e69ea7eSYufeng Mo .name = "common" 385e69ea7eSYufeng Mo }, 395e69ea7eSYufeng Mo }; 405e69ea7eSYufeng Mo 4177e91848SHuazhong Tan static int hns3_dbg_bd_file_init(struct hnae3_handle *handle, unsigned int cmd); 425e69ea7eSYufeng Mo static int hns3_dbg_common_file_init(struct hnae3_handle *handle, 435e69ea7eSYufeng Mo unsigned int cmd); 445e69ea7eSYufeng Mo 455e69ea7eSYufeng Mo static struct hns3_dbg_cmd_info hns3_dbg_cmd[] = { 465e69ea7eSYufeng Mo { 475e69ea7eSYufeng Mo .name = "tm_nodes", 485e69ea7eSYufeng Mo .cmd = HNAE3_DBG_CMD_TM_NODES, 495e69ea7eSYufeng Mo .dentry = HNS3_DBG_DENTRY_TM, 505e69ea7eSYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 515e69ea7eSYufeng Mo .init = hns3_dbg_common_file_init, 525e69ea7eSYufeng Mo }, 535e69ea7eSYufeng Mo { 545e69ea7eSYufeng Mo .name = "tm_priority", 555e69ea7eSYufeng Mo .cmd = HNAE3_DBG_CMD_TM_PRI, 565e69ea7eSYufeng Mo .dentry = HNS3_DBG_DENTRY_TM, 575e69ea7eSYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 585e69ea7eSYufeng Mo .init = hns3_dbg_common_file_init, 595e69ea7eSYufeng Mo }, 605e69ea7eSYufeng Mo { 615e69ea7eSYufeng Mo .name = "tm_qset", 625e69ea7eSYufeng Mo .cmd = HNAE3_DBG_CMD_TM_QSET, 635e69ea7eSYufeng Mo .dentry = HNS3_DBG_DENTRY_TM, 645e69ea7eSYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 655e69ea7eSYufeng Mo .init = hns3_dbg_common_file_init, 665e69ea7eSYufeng Mo }, 67c929bc2aSJiaran Zhang { 687679f28eSGuangbin Huang .name = "tm_map", 697679f28eSGuangbin Huang .cmd = HNAE3_DBG_CMD_TM_MAP, 707679f28eSGuangbin Huang .dentry = HNS3_DBG_DENTRY_TM, 717679f28eSGuangbin Huang .buf_len = HNS3_DBG_READ_LEN_1MB, 727679f28eSGuangbin Huang .init = hns3_dbg_common_file_init, 737679f28eSGuangbin Huang }, 747679f28eSGuangbin Huang { 75cad7c215SGuangbin Huang .name = "tm_pg", 76cad7c215SGuangbin Huang .cmd = HNAE3_DBG_CMD_TM_PG, 77cad7c215SGuangbin Huang .dentry = HNS3_DBG_DENTRY_TM, 78cad7c215SGuangbin Huang .buf_len = HNS3_DBG_READ_LEN, 79cad7c215SGuangbin Huang .init = hns3_dbg_common_file_init, 80cad7c215SGuangbin Huang }, 81cad7c215SGuangbin Huang { 82cad7c215SGuangbin Huang .name = "tm_port", 83cad7c215SGuangbin Huang .cmd = HNAE3_DBG_CMD_TM_PORT, 84cad7c215SGuangbin Huang .dentry = HNS3_DBG_DENTRY_TM, 85cad7c215SGuangbin Huang .buf_len = HNS3_DBG_READ_LEN, 86cad7c215SGuangbin Huang .init = hns3_dbg_common_file_init, 87cad7c215SGuangbin Huang }, 88cad7c215SGuangbin Huang { 890e32038dSGuangbin Huang .name = "tc_sch_info", 900e32038dSGuangbin Huang .cmd = HNAE3_DBG_CMD_TC_SCH_INFO, 910e32038dSGuangbin Huang .dentry = HNS3_DBG_DENTRY_TM, 920e32038dSGuangbin Huang .buf_len = HNS3_DBG_READ_LEN, 930e32038dSGuangbin Huang .init = hns3_dbg_common_file_init, 940e32038dSGuangbin Huang }, 950e32038dSGuangbin Huang { 96*6571ec2eSGuangbin Huang .name = "qos_pause_cfg", 97*6571ec2eSGuangbin Huang .cmd = HNAE3_DBG_CMD_QOS_PAUSE_CFG, 98*6571ec2eSGuangbin Huang .dentry = HNS3_DBG_DENTRY_TM, 99*6571ec2eSGuangbin Huang .buf_len = HNS3_DBG_READ_LEN, 100*6571ec2eSGuangbin Huang .init = hns3_dbg_common_file_init, 101*6571ec2eSGuangbin Huang }, 102*6571ec2eSGuangbin Huang { 103c929bc2aSJiaran Zhang .name = "dev_info", 104c929bc2aSJiaran Zhang .cmd = HNAE3_DBG_CMD_DEV_INFO, 105c929bc2aSJiaran Zhang .dentry = HNS3_DBG_DENTRY_COMMON, 106c929bc2aSJiaran Zhang .buf_len = HNS3_DBG_READ_LEN, 107c929bc2aSJiaran Zhang .init = hns3_dbg_common_file_init, 108c929bc2aSJiaran Zhang }, 10977e91848SHuazhong Tan { 11077e91848SHuazhong Tan .name = "tx_bd_queue", 11177e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_TX_BD, 11277e91848SHuazhong Tan .dentry = HNS3_DBG_DENTRY_TX_BD, 11377e91848SHuazhong Tan .buf_len = HNS3_DBG_READ_LEN_4MB, 11477e91848SHuazhong Tan .init = hns3_dbg_bd_file_init, 11577e91848SHuazhong Tan }, 11677e91848SHuazhong Tan { 11777e91848SHuazhong Tan .name = "rx_bd_queue", 11877e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_RX_BD, 11977e91848SHuazhong Tan .dentry = HNS3_DBG_DENTRY_RX_BD, 12077e91848SHuazhong Tan .buf_len = HNS3_DBG_READ_LEN_4MB, 12177e91848SHuazhong Tan .init = hns3_dbg_bd_file_init, 12277e91848SHuazhong Tan }, 1231556ea91SHuazhong Tan { 1241556ea91SHuazhong Tan .name = "uc", 1251556ea91SHuazhong Tan .cmd = HNAE3_DBG_CMD_MAC_UC, 1261556ea91SHuazhong Tan .dentry = HNS3_DBG_DENTRY_MAC, 1271556ea91SHuazhong Tan .buf_len = HNS3_DBG_READ_LEN, 1281556ea91SHuazhong Tan .init = hns3_dbg_common_file_init, 1291556ea91SHuazhong Tan }, 1301556ea91SHuazhong Tan { 1311556ea91SHuazhong Tan .name = "mc", 1321556ea91SHuazhong Tan .cmd = HNAE3_DBG_CMD_MAC_MC, 1331556ea91SHuazhong Tan .dentry = HNS3_DBG_DENTRY_MAC, 1341556ea91SHuazhong Tan .buf_len = HNS3_DBG_READ_LEN, 1351556ea91SHuazhong Tan .init = hns3_dbg_common_file_init, 1361556ea91SHuazhong Tan }, 1378ddfd9c4SYufeng Mo { 1388ddfd9c4SYufeng Mo .name = "mng_tbl", 1398ddfd9c4SYufeng Mo .cmd = HNAE3_DBG_CMD_MNG_TBL, 1408ddfd9c4SYufeng Mo .dentry = HNS3_DBG_DENTRY_COMMON, 1418ddfd9c4SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 1428ddfd9c4SYufeng Mo .init = hns3_dbg_common_file_init, 1438ddfd9c4SYufeng Mo }, 144d658ff34SYufeng Mo { 145d658ff34SYufeng Mo .name = "loopback", 146d658ff34SYufeng Mo .cmd = HNAE3_DBG_CMD_LOOPBACK, 147d658ff34SYufeng Mo .dentry = HNS3_DBG_DENTRY_COMMON, 148d658ff34SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 149d658ff34SYufeng Mo .init = hns3_dbg_common_file_init, 150d658ff34SYufeng Mo }, 1519149ca0fSJiaran Zhang { 1529149ca0fSJiaran Zhang .name = "interrupt_info", 1539149ca0fSJiaran Zhang .cmd = HNAE3_DBG_CMD_INTERRUPT_INFO, 1549149ca0fSJiaran Zhang .dentry = HNS3_DBG_DENTRY_COMMON, 1559149ca0fSJiaran Zhang .buf_len = HNS3_DBG_READ_LEN, 1569149ca0fSJiaran Zhang .init = hns3_dbg_common_file_init, 1579149ca0fSJiaran Zhang }, 1581a7ff828SJiaran Zhang { 1591a7ff828SJiaran Zhang .name = "reset_info", 1601a7ff828SJiaran Zhang .cmd = HNAE3_DBG_CMD_RESET_INFO, 1611a7ff828SJiaran Zhang .dentry = HNS3_DBG_DENTRY_COMMON, 1621a7ff828SJiaran Zhang .buf_len = HNS3_DBG_READ_LEN, 1631a7ff828SJiaran Zhang .init = hns3_dbg_common_file_init, 1641a7ff828SJiaran Zhang }, 1650b198b0dSJiaran Zhang { 1660b198b0dSJiaran Zhang .name = "imp_info", 1670b198b0dSJiaran Zhang .cmd = HNAE3_DBG_CMD_IMP_INFO, 1680b198b0dSJiaran Zhang .dentry = HNS3_DBG_DENTRY_COMMON, 1690b198b0dSJiaran Zhang .buf_len = HNS3_DBG_READ_LEN, 1700b198b0dSJiaran Zhang .init = hns3_dbg_common_file_init, 1710b198b0dSJiaran Zhang }, 172e76e6886SJiaran Zhang { 173e76e6886SJiaran Zhang .name = "ncl_config", 174e76e6886SJiaran Zhang .cmd = HNAE3_DBG_CMD_NCL_CONFIG, 175e76e6886SJiaran Zhang .dentry = HNS3_DBG_DENTRY_COMMON, 176e76e6886SJiaran Zhang .buf_len = HNS3_DBG_READ_LEN_128KB, 177e76e6886SJiaran Zhang .init = hns3_dbg_common_file_init, 178e76e6886SJiaran Zhang }, 179d96b0e59SYufeng Mo { 180d96b0e59SYufeng Mo .name = "bios_common", 181d96b0e59SYufeng Mo .cmd = HNAE3_DBG_CMD_REG_BIOS_COMMON, 182d96b0e59SYufeng Mo .dentry = HNS3_DBG_DENTRY_REG, 183d96b0e59SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 184d96b0e59SYufeng Mo .init = hns3_dbg_common_file_init, 185d96b0e59SYufeng Mo }, 186d96b0e59SYufeng Mo { 187d96b0e59SYufeng Mo .name = "ssu", 188d96b0e59SYufeng Mo .cmd = HNAE3_DBG_CMD_REG_SSU, 189d96b0e59SYufeng Mo .dentry = HNS3_DBG_DENTRY_REG, 190d96b0e59SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 191d96b0e59SYufeng Mo .init = hns3_dbg_common_file_init, 192d96b0e59SYufeng Mo }, 193d96b0e59SYufeng Mo { 194d96b0e59SYufeng Mo .name = "igu_egu", 195d96b0e59SYufeng Mo .cmd = HNAE3_DBG_CMD_REG_IGU_EGU, 196d96b0e59SYufeng Mo .dentry = HNS3_DBG_DENTRY_REG, 197d96b0e59SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 198d96b0e59SYufeng Mo .init = hns3_dbg_common_file_init, 199d96b0e59SYufeng Mo }, 200d96b0e59SYufeng Mo { 201d96b0e59SYufeng Mo .name = "rpu", 202d96b0e59SYufeng Mo .cmd = HNAE3_DBG_CMD_REG_RPU, 203d96b0e59SYufeng Mo .dentry = HNS3_DBG_DENTRY_REG, 204d96b0e59SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 205d96b0e59SYufeng Mo .init = hns3_dbg_common_file_init, 206d96b0e59SYufeng Mo }, 207d96b0e59SYufeng Mo { 208d96b0e59SYufeng Mo .name = "ncsi", 209d96b0e59SYufeng Mo .cmd = HNAE3_DBG_CMD_REG_NCSI, 210d96b0e59SYufeng Mo .dentry = HNS3_DBG_DENTRY_REG, 211d96b0e59SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 212d96b0e59SYufeng Mo .init = hns3_dbg_common_file_init, 213d96b0e59SYufeng Mo }, 214d96b0e59SYufeng Mo { 215d96b0e59SYufeng Mo .name = "rtc", 216d96b0e59SYufeng Mo .cmd = HNAE3_DBG_CMD_REG_RTC, 217d96b0e59SYufeng Mo .dentry = HNS3_DBG_DENTRY_REG, 218d96b0e59SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 219d96b0e59SYufeng Mo .init = hns3_dbg_common_file_init, 220d96b0e59SYufeng Mo }, 221d96b0e59SYufeng Mo { 222d96b0e59SYufeng Mo .name = "ppp", 223d96b0e59SYufeng Mo .cmd = HNAE3_DBG_CMD_REG_PPP, 224d96b0e59SYufeng Mo .dentry = HNS3_DBG_DENTRY_REG, 225d96b0e59SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 226d96b0e59SYufeng Mo .init = hns3_dbg_common_file_init, 227d96b0e59SYufeng Mo }, 228d96b0e59SYufeng Mo { 229d96b0e59SYufeng Mo .name = "rcb", 230d96b0e59SYufeng Mo .cmd = HNAE3_DBG_CMD_REG_RCB, 231d96b0e59SYufeng Mo .dentry = HNS3_DBG_DENTRY_REG, 232d96b0e59SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 233d96b0e59SYufeng Mo .init = hns3_dbg_common_file_init, 234d96b0e59SYufeng Mo }, 235d96b0e59SYufeng Mo { 236d96b0e59SYufeng Mo .name = "tqp", 237d96b0e59SYufeng Mo .cmd = HNAE3_DBG_CMD_REG_TQP, 238d96b0e59SYufeng Mo .dentry = HNS3_DBG_DENTRY_REG, 239d96b0e59SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 240d96b0e59SYufeng Mo .init = hns3_dbg_common_file_init, 241d96b0e59SYufeng Mo }, 242d96b0e59SYufeng Mo { 243d96b0e59SYufeng Mo .name = "mac", 244d96b0e59SYufeng Mo .cmd = HNAE3_DBG_CMD_REG_MAC, 245d96b0e59SYufeng Mo .dentry = HNS3_DBG_DENTRY_REG, 246d96b0e59SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 247d96b0e59SYufeng Mo .init = hns3_dbg_common_file_init, 248d96b0e59SYufeng Mo }, 249365e860aSYufeng Mo { 250365e860aSYufeng Mo .name = "dcb", 251365e860aSYufeng Mo .cmd = HNAE3_DBG_CMD_REG_DCB, 252365e860aSYufeng Mo .dentry = HNS3_DBG_DENTRY_REG, 253365e860aSYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 254365e860aSYufeng Mo .init = hns3_dbg_common_file_init, 255365e860aSYufeng Mo }, 256d2f737cfSHao Chen { 257d2f737cfSHao Chen .name = "queue_map", 258d2f737cfSHao Chen .cmd = HNAE3_DBG_CMD_QUEUE_MAP, 259d2f737cfSHao Chen .dentry = HNS3_DBG_DENTRY_QUEUE, 260d2f737cfSHao Chen .buf_len = HNS3_DBG_READ_LEN, 261d2f737cfSHao Chen .init = hns3_dbg_common_file_init, 262d2f737cfSHao Chen }, 263e44c495dSHao Chen { 264e44c495dSHao Chen .name = "rx_queue_info", 265e44c495dSHao Chen .cmd = HNAE3_DBG_CMD_RX_QUEUE_INFO, 266e44c495dSHao Chen .dentry = HNS3_DBG_DENTRY_QUEUE, 267e44c495dSHao Chen .buf_len = HNS3_DBG_READ_LEN_1MB, 268e44c495dSHao Chen .init = hns3_dbg_common_file_init, 269e44c495dSHao Chen }, 270e44c495dSHao Chen { 271e44c495dSHao Chen .name = "tx_queue_info", 272e44c495dSHao Chen .cmd = HNAE3_DBG_CMD_TX_QUEUE_INFO, 273e44c495dSHao Chen .dentry = HNS3_DBG_DENTRY_QUEUE, 274e44c495dSHao Chen .buf_len = HNS3_DBG_READ_LEN_1MB, 275e44c495dSHao Chen .init = hns3_dbg_common_file_init, 276e44c495dSHao Chen }, 277b5a0b70dSHao Chen { 278b5a0b70dSHao Chen .name = "fd_tcam", 279b5a0b70dSHao Chen .cmd = HNAE3_DBG_CMD_FD_TCAM, 280b5a0b70dSHao Chen .dentry = HNS3_DBG_DENTRY_FD, 281b5a0b70dSHao Chen .buf_len = HNS3_DBG_READ_LEN, 282b5a0b70dSHao Chen .init = hns3_dbg_common_file_init, 283b5a0b70dSHao Chen }, 284c929bc2aSJiaran Zhang }; 285c929bc2aSJiaran Zhang 286c929bc2aSJiaran Zhang static struct hns3_dbg_cap_info hns3_dbg_cap[] = { 287c929bc2aSJiaran Zhang { 288c929bc2aSJiaran Zhang .name = "support FD", 289c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_FD_B, 290c929bc2aSJiaran Zhang }, { 291c929bc2aSJiaran Zhang .name = "support GRO", 292c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_GRO_B, 293c929bc2aSJiaran Zhang }, { 294c929bc2aSJiaran Zhang .name = "support FEC", 295c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_FEC_B, 296c929bc2aSJiaran Zhang }, { 297c929bc2aSJiaran Zhang .name = "support UDP GSO", 298c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_UDP_GSO_B, 299c929bc2aSJiaran Zhang }, { 300c929bc2aSJiaran Zhang .name = "support PTP", 301c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_PTP_B, 302c929bc2aSJiaran Zhang }, { 303c929bc2aSJiaran Zhang .name = "support INT QL", 304c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_INT_QL_B, 305c929bc2aSJiaran Zhang }, { 306c929bc2aSJiaran Zhang .name = "support HW TX csum", 307c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_HW_TX_CSUM_B, 308c929bc2aSJiaran Zhang }, { 309c929bc2aSJiaran Zhang .name = "support UDP tunnel csum", 310c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_UDP_TUNNEL_CSUM_B, 311c929bc2aSJiaran Zhang }, { 312c929bc2aSJiaran Zhang .name = "support TX push", 313c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_TX_PUSH_B, 314c929bc2aSJiaran Zhang }, { 315c929bc2aSJiaran Zhang .name = "support imp-controlled PHY", 316c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_PHY_IMP_B, 317c929bc2aSJiaran Zhang }, { 318c929bc2aSJiaran Zhang .name = "support rxd advanced layout", 319c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_RXD_ADV_LAYOUT_B, 320c929bc2aSJiaran Zhang }, 3215e69ea7eSYufeng Mo }; 3225e69ea7eSYufeng Mo 32377e91848SHuazhong Tan static void hns3_dbg_fill_content(char *content, u16 len, 32477e91848SHuazhong Tan const struct hns3_dbg_item *items, 32577e91848SHuazhong Tan const char **result, u16 size) 32677e91848SHuazhong Tan { 32777e91848SHuazhong Tan char *pos = content; 32877e91848SHuazhong Tan u16 i; 32977e91848SHuazhong Tan 33077e91848SHuazhong Tan memset(content, ' ', len); 33177e91848SHuazhong Tan for (i = 0; i < size; i++) { 33277e91848SHuazhong Tan if (result) 33377e91848SHuazhong Tan strncpy(pos, result[i], strlen(result[i])); 33477e91848SHuazhong Tan else 33577e91848SHuazhong Tan strncpy(pos, items[i].name, strlen(items[i].name)); 33677e91848SHuazhong Tan 33777e91848SHuazhong Tan pos += strlen(items[i].name) + items[i].interval; 33877e91848SHuazhong Tan } 33977e91848SHuazhong Tan 34077e91848SHuazhong Tan *pos++ = '\n'; 34177e91848SHuazhong Tan *pos++ = '\0'; 34277e91848SHuazhong Tan } 34377e91848SHuazhong Tan 344e44c495dSHao Chen static const struct hns3_dbg_item rx_queue_info_items[] = { 345e44c495dSHao Chen { "QUEUE_ID", 2 }, 346e44c495dSHao Chen { "BD_NUM", 2 }, 347e44c495dSHao Chen { "BD_LEN", 2 }, 348e44c495dSHao Chen { "TAIL", 2 }, 349e44c495dSHao Chen { "HEAD", 2 }, 350e44c495dSHao Chen { "FBDNUM", 2 }, 351e44c495dSHao Chen { "PKTNUM", 2 }, 352e44c495dSHao Chen { "RING_EN", 2 }, 353e44c495dSHao Chen { "RX_RING_EN", 2 }, 354e44c495dSHao Chen { "BASE_ADDR", 10 }, 355e44c495dSHao Chen }; 356e44c495dSHao Chen 357e44c495dSHao Chen static void hns3_dump_rx_queue_info(struct hns3_enet_ring *ring, 358e44c495dSHao Chen struct hnae3_ae_dev *ae_dev, char **result, 359e44c495dSHao Chen u32 index) 36057ceee2cSliuzhongzhu { 36157ceee2cSliuzhongzhu u32 base_add_l, base_add_h; 362e44c495dSHao Chen u32 j = 0; 363e44c495dSHao Chen 364e44c495dSHao Chen sprintf(result[j++], "%8u", index); 365e44c495dSHao Chen 366e44c495dSHao Chen sprintf(result[j++], "%6u", readl_relaxed(ring->tqp->io_base + 367e44c495dSHao Chen HNS3_RING_RX_RING_BD_NUM_REG)); 368e44c495dSHao Chen 369e44c495dSHao Chen sprintf(result[j++], "%6u", readl_relaxed(ring->tqp->io_base + 370e44c495dSHao Chen HNS3_RING_RX_RING_BD_LEN_REG)); 371e44c495dSHao Chen 372e44c495dSHao Chen sprintf(result[j++], "%4u", readl_relaxed(ring->tqp->io_base + 373e44c495dSHao Chen HNS3_RING_RX_RING_TAIL_REG)); 374e44c495dSHao Chen 375e44c495dSHao Chen sprintf(result[j++], "%4u", readl_relaxed(ring->tqp->io_base + 376e44c495dSHao Chen HNS3_RING_RX_RING_HEAD_REG)); 377e44c495dSHao Chen 378e44c495dSHao Chen sprintf(result[j++], "%6u", readl_relaxed(ring->tqp->io_base + 379e44c495dSHao Chen HNS3_RING_RX_RING_FBDNUM_REG)); 380e44c495dSHao Chen 381e44c495dSHao Chen sprintf(result[j++], "%6u", readl_relaxed(ring->tqp->io_base + 382e44c495dSHao Chen HNS3_RING_RX_RING_PKTNUM_RECORD_REG)); 383e44c495dSHao Chen 384e44c495dSHao Chen sprintf(result[j++], "%7s", readl_relaxed(ring->tqp->io_base + 385e44c495dSHao Chen HNS3_RING_EN_REG) ? "on" : "off"); 386e44c495dSHao Chen 387e44c495dSHao Chen if (hnae3_ae_dev_tqp_txrx_indep_supported(ae_dev)) 388e44c495dSHao Chen sprintf(result[j++], "%10s", readl_relaxed(ring->tqp->io_base + 389e44c495dSHao Chen HNS3_RING_RX_EN_REG) ? "on" : "off"); 390e44c495dSHao Chen else 391e44c495dSHao Chen sprintf(result[j++], "%10s", "NA"); 392e44c495dSHao Chen 393e44c495dSHao Chen base_add_h = readl_relaxed(ring->tqp->io_base + 394e44c495dSHao Chen HNS3_RING_RX_RING_BASEADDR_H_REG); 395e44c495dSHao Chen base_add_l = readl_relaxed(ring->tqp->io_base + 396e44c495dSHao Chen HNS3_RING_RX_RING_BASEADDR_L_REG); 397e44c495dSHao Chen sprintf(result[j++], "0x%08x%08x", base_add_h, base_add_l); 398e44c495dSHao Chen } 399e44c495dSHao Chen 400e44c495dSHao Chen static int hns3_dbg_rx_queue_info(struct hnae3_handle *h, 401e44c495dSHao Chen char *buf, int len) 402e44c495dSHao Chen { 403e44c495dSHao Chen char data_str[ARRAY_SIZE(rx_queue_info_items)][HNS3_DBG_DATA_STR_LEN]; 404e44c495dSHao Chen struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 405e44c495dSHao Chen char *result[ARRAY_SIZE(rx_queue_info_items)]; 406e44c495dSHao Chen struct hns3_nic_priv *priv = h->priv; 407e44c495dSHao Chen char content[HNS3_DBG_INFO_LEN]; 408e44c495dSHao Chen struct hns3_enet_ring *ring; 409e44c495dSHao Chen int pos = 0; 410e44c495dSHao Chen u32 i; 41157ceee2cSliuzhongzhu 4125f06b903SYunsheng Lin if (!priv->ring) { 4135f06b903SYunsheng Lin dev_err(&h->pdev->dev, "priv->ring is NULL\n"); 41457ceee2cSliuzhongzhu return -EFAULT; 41557ceee2cSliuzhongzhu } 41657ceee2cSliuzhongzhu 417e44c495dSHao Chen for (i = 0; i < ARRAY_SIZE(rx_queue_info_items); i++) 418e44c495dSHao Chen result[i] = &data_str[i][0]; 41957ceee2cSliuzhongzhu 420e44c495dSHao Chen hns3_dbg_fill_content(content, sizeof(content), rx_queue_info_items, 421e44c495dSHao Chen NULL, ARRAY_SIZE(rx_queue_info_items)); 422e44c495dSHao Chen pos += scnprintf(buf + pos, len - pos, "%s", content); 423e44c495dSHao Chen for (i = 0; i < h->kinfo.num_tqps; i++) { 42457ceee2cSliuzhongzhu /* Each cycle needs to determine whether the instance is reset, 42557ceee2cSliuzhongzhu * to prevent reference to invalid memory. And need to ensure 42657ceee2cSliuzhongzhu * that the following code is executed within 100ms. 42757ceee2cSliuzhongzhu */ 4287737f1fbSliuzhongzhu if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 42957ceee2cSliuzhongzhu test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) 43057ceee2cSliuzhongzhu return -EPERM; 43157ceee2cSliuzhongzhu 4325f06b903SYunsheng Lin ring = &priv->ring[(u32)(i + h->kinfo.num_tqps)]; 433e44c495dSHao Chen hns3_dump_rx_queue_info(ring, ae_dev, result, i); 434e44c495dSHao Chen hns3_dbg_fill_content(content, sizeof(content), 435e44c495dSHao Chen rx_queue_info_items, 436e44c495dSHao Chen (const char **)result, 437e44c495dSHao Chen ARRAY_SIZE(rx_queue_info_items)); 438e44c495dSHao Chen pos += scnprintf(buf + pos, len - pos, "%s", content); 439e44c495dSHao Chen } 44057ceee2cSliuzhongzhu 441e44c495dSHao Chen return 0; 442e44c495dSHao Chen } 44357ceee2cSliuzhongzhu 444e44c495dSHao Chen static const struct hns3_dbg_item tx_queue_info_items[] = { 445e44c495dSHao Chen { "QUEUE_ID", 2 }, 446e44c495dSHao Chen { "BD_NUM", 2 }, 447e44c495dSHao Chen { "TC", 2 }, 448e44c495dSHao Chen { "TAIL", 2 }, 449e44c495dSHao Chen { "HEAD", 2 }, 450e44c495dSHao Chen { "FBDNUM", 2 }, 451e44c495dSHao Chen { "OFFSET", 2 }, 452e44c495dSHao Chen { "PKTNUM", 2 }, 453e44c495dSHao Chen { "RING_EN", 2 }, 454e44c495dSHao Chen { "TX_RING_EN", 2 }, 455e44c495dSHao Chen { "BASE_ADDR", 10 }, 456e44c495dSHao Chen }; 45757ceee2cSliuzhongzhu 458e44c495dSHao Chen static void hns3_dump_tx_queue_info(struct hns3_enet_ring *ring, 459e44c495dSHao Chen struct hnae3_ae_dev *ae_dev, char **result, 460e44c495dSHao Chen u32 index) 461e44c495dSHao Chen { 462e44c495dSHao Chen u32 base_add_l, base_add_h; 463e44c495dSHao Chen u32 j = 0; 46457ceee2cSliuzhongzhu 465e44c495dSHao Chen sprintf(result[j++], "%8u", index); 466e44c495dSHao Chen sprintf(result[j++], "%6u", readl_relaxed(ring->tqp->io_base + 467e44c495dSHao Chen HNS3_RING_TX_RING_BD_NUM_REG)); 46857ceee2cSliuzhongzhu 469e44c495dSHao Chen sprintf(result[j++], "%2u", readl_relaxed(ring->tqp->io_base + 470e44c495dSHao Chen HNS3_RING_TX_RING_TC_REG)); 47157ceee2cSliuzhongzhu 472e44c495dSHao Chen sprintf(result[j++], "%4u", readl_relaxed(ring->tqp->io_base + 473e44c495dSHao Chen HNS3_RING_TX_RING_TAIL_REG)); 47457ceee2cSliuzhongzhu 475e44c495dSHao Chen sprintf(result[j++], "%4u", readl_relaxed(ring->tqp->io_base + 476e44c495dSHao Chen HNS3_RING_TX_RING_HEAD_REG)); 477e44c495dSHao Chen 478e44c495dSHao Chen sprintf(result[j++], "%6u", readl_relaxed(ring->tqp->io_base + 479e44c495dSHao Chen HNS3_RING_TX_RING_FBDNUM_REG)); 480e44c495dSHao Chen 481e44c495dSHao Chen sprintf(result[j++], "%6u", readl_relaxed(ring->tqp->io_base + 482e44c495dSHao Chen HNS3_RING_TX_RING_OFFSET_REG)); 483e44c495dSHao Chen 484e44c495dSHao Chen sprintf(result[j++], "%6u", readl_relaxed(ring->tqp->io_base + 485e44c495dSHao Chen HNS3_RING_TX_RING_PKTNUM_RECORD_REG)); 486e44c495dSHao Chen 487e44c495dSHao Chen sprintf(result[j++], "%7s", readl_relaxed(ring->tqp->io_base + 488e44c495dSHao Chen HNS3_RING_EN_REG) ? "on" : "off"); 489e44c495dSHao Chen 490e44c495dSHao Chen if (hnae3_ae_dev_tqp_txrx_indep_supported(ae_dev)) 491e44c495dSHao Chen sprintf(result[j++], "%10s", readl_relaxed(ring->tqp->io_base + 492e44c495dSHao Chen HNS3_RING_TX_EN_REG) ? "on" : "off"); 493e44c495dSHao Chen else 494e44c495dSHao Chen sprintf(result[j++], "%10s", "NA"); 495e44c495dSHao Chen 49657ceee2cSliuzhongzhu base_add_h = readl_relaxed(ring->tqp->io_base + 49757ceee2cSliuzhongzhu HNS3_RING_TX_RING_BASEADDR_H_REG); 49857ceee2cSliuzhongzhu base_add_l = readl_relaxed(ring->tqp->io_base + 49957ceee2cSliuzhongzhu HNS3_RING_TX_RING_BASEADDR_L_REG); 500e44c495dSHao Chen sprintf(result[j++], "0x%08x%08x", base_add_h, base_add_l); 501dbaae5bbSGuangbin Huang } 502dbaae5bbSGuangbin Huang 503e44c495dSHao Chen static int hns3_dbg_tx_queue_info(struct hnae3_handle *h, 504e44c495dSHao Chen char *buf, int len) 505e44c495dSHao Chen { 506e44c495dSHao Chen char data_str[ARRAY_SIZE(tx_queue_info_items)][HNS3_DBG_DATA_STR_LEN]; 507e44c495dSHao Chen struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 508e44c495dSHao Chen char *result[ARRAY_SIZE(tx_queue_info_items)]; 509e44c495dSHao Chen struct hns3_nic_priv *priv = h->priv; 510e44c495dSHao Chen char content[HNS3_DBG_INFO_LEN]; 511e44c495dSHao Chen struct hns3_enet_ring *ring; 512e44c495dSHao Chen int pos = 0; 513e44c495dSHao Chen u32 i; 514e44c495dSHao Chen 515e44c495dSHao Chen if (!priv->ring) { 516e44c495dSHao Chen dev_err(&h->pdev->dev, "priv->ring is NULL\n"); 517e44c495dSHao Chen return -EFAULT; 518e44c495dSHao Chen } 519e44c495dSHao Chen 520e44c495dSHao Chen for (i = 0; i < ARRAY_SIZE(tx_queue_info_items); i++) 521e44c495dSHao Chen result[i] = &data_str[i][0]; 522e44c495dSHao Chen 523e44c495dSHao Chen hns3_dbg_fill_content(content, sizeof(content), tx_queue_info_items, 524e44c495dSHao Chen NULL, ARRAY_SIZE(tx_queue_info_items)); 525e44c495dSHao Chen pos += scnprintf(buf + pos, len - pos, "%s", content); 526e44c495dSHao Chen 527e44c495dSHao Chen for (i = 0; i < h->kinfo.num_tqps; i++) { 528e44c495dSHao Chen /* Each cycle needs to determine whether the instance is reset, 529e44c495dSHao Chen * to prevent reference to invalid memory. And need to ensure 530e44c495dSHao Chen * that the following code is executed within 100ms. 531e44c495dSHao Chen */ 532e44c495dSHao Chen if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 533e44c495dSHao Chen test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) 534e44c495dSHao Chen return -EPERM; 535e44c495dSHao Chen 536e44c495dSHao Chen ring = &priv->ring[i]; 537e44c495dSHao Chen hns3_dump_tx_queue_info(ring, ae_dev, result, i); 538e44c495dSHao Chen hns3_dbg_fill_content(content, sizeof(content), 539e44c495dSHao Chen tx_queue_info_items, 540e44c495dSHao Chen (const char **)result, 541e44c495dSHao Chen ARRAY_SIZE(tx_queue_info_items)); 542e44c495dSHao Chen pos += scnprintf(buf + pos, len - pos, "%s", content); 54357ceee2cSliuzhongzhu } 54457ceee2cSliuzhongzhu 54557ceee2cSliuzhongzhu return 0; 54657ceee2cSliuzhongzhu } 54757ceee2cSliuzhongzhu 548d2f737cfSHao Chen static const struct hns3_dbg_item queue_map_items[] = { 549d2f737cfSHao Chen { "local_queue_id", 2 }, 550d2f737cfSHao Chen { "global_queue_id", 2 }, 551d2f737cfSHao Chen { "vector_id", 2 }, 552d2f737cfSHao Chen }; 553d2f737cfSHao Chen 554d2f737cfSHao Chen static int hns3_dbg_queue_map(struct hnae3_handle *h, char *buf, int len) 5550c29d191Sliuzhongzhu { 556d2f737cfSHao Chen char data_str[ARRAY_SIZE(queue_map_items)][HNS3_DBG_DATA_STR_LEN]; 557d2f737cfSHao Chen char *result[ARRAY_SIZE(queue_map_items)]; 5580c29d191Sliuzhongzhu struct hns3_nic_priv *priv = h->priv; 559d2f737cfSHao Chen char content[HNS3_DBG_INFO_LEN]; 560d2f737cfSHao Chen int pos = 0; 561d2f737cfSHao Chen int j; 562d2f737cfSHao Chen u32 i; 5630c29d191Sliuzhongzhu 5640c29d191Sliuzhongzhu if (!h->ae_algo->ops->get_global_queue_id) 5650c29d191Sliuzhongzhu return -EOPNOTSUPP; 5660c29d191Sliuzhongzhu 567d2f737cfSHao Chen for (i = 0; i < ARRAY_SIZE(queue_map_items); i++) 568d2f737cfSHao Chen result[i] = &data_str[i][0]; 5690c29d191Sliuzhongzhu 570d2f737cfSHao Chen hns3_dbg_fill_content(content, sizeof(content), queue_map_items, 571d2f737cfSHao Chen NULL, ARRAY_SIZE(queue_map_items)); 572d2f737cfSHao Chen pos += scnprintf(buf + pos, len - pos, "%s", content); 573d2f737cfSHao Chen for (i = 0; i < h->kinfo.num_tqps; i++) { 5745f06b903SYunsheng Lin if (!priv->ring || !priv->ring[i].tqp_vector) 5750c29d191Sliuzhongzhu continue; 576d2f737cfSHao Chen j = 0; 577d2f737cfSHao Chen sprintf(result[j++], "%u", i); 578d2f737cfSHao Chen sprintf(result[j++], "%u", 579d2f737cfSHao Chen h->ae_algo->ops->get_global_queue_id(h, i)); 580d2f737cfSHao Chen sprintf(result[j++], "%u", 581d2f737cfSHao Chen priv->ring[i].tqp_vector->vector_irq); 582d2f737cfSHao Chen hns3_dbg_fill_content(content, sizeof(content), queue_map_items, 583d2f737cfSHao Chen (const char **)result, 584d2f737cfSHao Chen ARRAY_SIZE(queue_map_items)); 585d2f737cfSHao Chen pos += scnprintf(buf + pos, len - pos, "%s", content); 5860c29d191Sliuzhongzhu } 5870c29d191Sliuzhongzhu 5880c29d191Sliuzhongzhu return 0; 5890c29d191Sliuzhongzhu } 5900c29d191Sliuzhongzhu 59177e91848SHuazhong Tan static const struct hns3_dbg_item rx_bd_info_items[] = { 59277e91848SHuazhong Tan { "BD_IDX", 3 }, 59377e91848SHuazhong Tan { "L234_INFO", 2 }, 59477e91848SHuazhong Tan { "PKT_LEN", 3 }, 59577e91848SHuazhong Tan { "SIZE", 4 }, 59677e91848SHuazhong Tan { "RSS_HASH", 4 }, 59777e91848SHuazhong Tan { "FD_ID", 2 }, 59877e91848SHuazhong Tan { "VLAN_TAG", 2 }, 59977e91848SHuazhong Tan { "O_DM_VLAN_ID_FB", 2 }, 60077e91848SHuazhong Tan { "OT_VLAN_TAG", 2 }, 60177e91848SHuazhong Tan { "BD_BASE_INFO", 2 }, 60277e91848SHuazhong Tan { "PTYPE", 2 }, 60377e91848SHuazhong Tan { "HW_CSUM", 2 }, 60477e91848SHuazhong Tan }; 60577e91848SHuazhong Tan 60677e91848SHuazhong Tan static void hns3_dump_rx_bd_info(struct hns3_nic_priv *priv, 60777e91848SHuazhong Tan struct hns3_desc *desc, char **result, int idx) 608122bedc5Sliuzhongzhu { 60977e91848SHuazhong Tan unsigned int j = 0; 610122bedc5Sliuzhongzhu 61177e91848SHuazhong Tan sprintf(result[j++], "%5d", idx); 61277e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.l234_info)); 61377e91848SHuazhong Tan sprintf(result[j++], "%7u", le16_to_cpu(desc->rx.pkt_len)); 61477e91848SHuazhong Tan sprintf(result[j++], "%4u", le16_to_cpu(desc->rx.size)); 61577e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.rss_hash)); 61677e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->rx.fd_id)); 61777e91848SHuazhong Tan sprintf(result[j++], "%8u", le16_to_cpu(desc->rx.vlan_tag)); 61877e91848SHuazhong Tan sprintf(result[j++], "%15u", le16_to_cpu(desc->rx.o_dm_vlan_id_fb)); 61977e91848SHuazhong Tan sprintf(result[j++], "%11u", le16_to_cpu(desc->rx.ot_vlan_tag)); 62077e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.bd_base_info)); 62177e91848SHuazhong Tan if (test_bit(HNS3_NIC_STATE_RXD_ADV_LAYOUT_ENABLE, &priv->state)) { 62277e91848SHuazhong Tan u32 ol_info = le32_to_cpu(desc->rx.ol_info); 623122bedc5Sliuzhongzhu 62477e91848SHuazhong Tan sprintf(result[j++], "%5lu", hnae3_get_field(ol_info, 62577e91848SHuazhong Tan HNS3_RXD_PTYPE_M, 62677e91848SHuazhong Tan HNS3_RXD_PTYPE_S)); 62777e91848SHuazhong Tan sprintf(result[j++], "%7u", le16_to_cpu(desc->csum)); 628b1533adaSHuazhong Tan } else { 62977e91848SHuazhong Tan sprintf(result[j++], "NA"); 63077e91848SHuazhong Tan sprintf(result[j++], "NA"); 63177e91848SHuazhong Tan } 632b1533adaSHuazhong Tan } 633b1533adaSHuazhong Tan 63477e91848SHuazhong Tan static int hns3_dbg_rx_bd_info(struct hns3_dbg_data *d, char *buf, int len) 63577e91848SHuazhong Tan { 63677e91848SHuazhong Tan char data_str[ARRAY_SIZE(rx_bd_info_items)][HNS3_DBG_DATA_STR_LEN]; 63777e91848SHuazhong Tan struct hns3_nic_priv *priv = d->handle->priv; 63877e91848SHuazhong Tan char *result[ARRAY_SIZE(rx_bd_info_items)]; 63977e91848SHuazhong Tan char content[HNS3_DBG_INFO_LEN]; 64077e91848SHuazhong Tan struct hns3_enet_ring *ring; 64177e91848SHuazhong Tan struct hns3_desc *desc; 64277e91848SHuazhong Tan unsigned int i; 64377e91848SHuazhong Tan int pos = 0; 644122bedc5Sliuzhongzhu 64577e91848SHuazhong Tan if (d->qid >= d->handle->kinfo.num_tqps) { 64677e91848SHuazhong Tan dev_err(&d->handle->pdev->dev, 64777e91848SHuazhong Tan "queue%u is not in use\n", d->qid); 64877e91848SHuazhong Tan return -EINVAL; 64977e91848SHuazhong Tan } 650122bedc5Sliuzhongzhu 65177e91848SHuazhong Tan for (i = 0; i < ARRAY_SIZE(rx_bd_info_items); i++) 65277e91848SHuazhong Tan result[i] = &data_str[i][0]; 653b1533adaSHuazhong Tan 65477e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, 65577e91848SHuazhong Tan "Queue %u rx bd info:\n", d->qid); 65677e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), rx_bd_info_items, 65777e91848SHuazhong Tan NULL, ARRAY_SIZE(rx_bd_info_items)); 65877e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 65977e91848SHuazhong Tan 66077e91848SHuazhong Tan ring = &priv->ring[d->qid + d->handle->kinfo.num_tqps]; 66177e91848SHuazhong Tan for (i = 0; i < ring->desc_num; i++) { 66277e91848SHuazhong Tan desc = &ring->desc[i]; 66377e91848SHuazhong Tan 66477e91848SHuazhong Tan hns3_dump_rx_bd_info(priv, desc, result, i); 66577e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), 66677e91848SHuazhong Tan rx_bd_info_items, (const char **)result, 66777e91848SHuazhong Tan ARRAY_SIZE(rx_bd_info_items)); 66877e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 66977e91848SHuazhong Tan } 67077e91848SHuazhong Tan 67177e91848SHuazhong Tan return 0; 67277e91848SHuazhong Tan } 67377e91848SHuazhong Tan 67477e91848SHuazhong Tan static const struct hns3_dbg_item tx_bd_info_items[] = { 67577e91848SHuazhong Tan { "BD_IDX", 5 }, 67677e91848SHuazhong Tan { "ADDRESS", 2 }, 67777e91848SHuazhong Tan { "VLAN_TAG", 2 }, 67877e91848SHuazhong Tan { "SIZE", 2 }, 67977e91848SHuazhong Tan { "T_CS_VLAN_TSO", 2 }, 68077e91848SHuazhong Tan { "OT_VLAN_TAG", 3 }, 68177e91848SHuazhong Tan { "TV", 2 }, 68277e91848SHuazhong Tan { "OLT_VLAN_LEN", 2}, 68377e91848SHuazhong Tan { "PAYLEN_OL4CS", 2}, 68477e91848SHuazhong Tan { "BD_FE_SC_VLD", 2}, 68577e91848SHuazhong Tan { "MSS_HW_CSUM", 0}, 68677e91848SHuazhong Tan }; 68777e91848SHuazhong Tan 68877e91848SHuazhong Tan static void hns3_dump_tx_bd_info(struct hns3_nic_priv *priv, 68977e91848SHuazhong Tan struct hns3_desc *desc, char **result, int idx) 69077e91848SHuazhong Tan { 69177e91848SHuazhong Tan unsigned int j = 0; 69277e91848SHuazhong Tan 69377e91848SHuazhong Tan sprintf(result[j++], "%6d", idx); 69477e91848SHuazhong Tan sprintf(result[j++], "%#llx", le64_to_cpu(desc->addr)); 69577e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.vlan_tag)); 69677e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.send_size)); 69777e91848SHuazhong Tan sprintf(result[j++], "%#x", 69877e91848SHuazhong Tan le32_to_cpu(desc->tx.type_cs_vlan_tso_len)); 69977e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.outer_vlan_tag)); 70077e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.tv)); 70177e91848SHuazhong Tan sprintf(result[j++], "%10u", 70277e91848SHuazhong Tan le32_to_cpu(desc->tx.ol_type_vlan_len_msec)); 70377e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->tx.paylen_ol4cs)); 70477e91848SHuazhong Tan sprintf(result[j++], "%#x", le16_to_cpu(desc->tx.bdtp_fe_sc_vld_ra_ri)); 70577e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.mss_hw_csum)); 70677e91848SHuazhong Tan } 70777e91848SHuazhong Tan 70877e91848SHuazhong Tan static int hns3_dbg_tx_bd_info(struct hns3_dbg_data *d, char *buf, int len) 70977e91848SHuazhong Tan { 71077e91848SHuazhong Tan char data_str[ARRAY_SIZE(tx_bd_info_items)][HNS3_DBG_DATA_STR_LEN]; 71177e91848SHuazhong Tan struct hns3_nic_priv *priv = d->handle->priv; 71277e91848SHuazhong Tan char *result[ARRAY_SIZE(tx_bd_info_items)]; 71377e91848SHuazhong Tan char content[HNS3_DBG_INFO_LEN]; 71477e91848SHuazhong Tan struct hns3_enet_ring *ring; 71577e91848SHuazhong Tan struct hns3_desc *desc; 71677e91848SHuazhong Tan unsigned int i; 71777e91848SHuazhong Tan int pos = 0; 71877e91848SHuazhong Tan 71977e91848SHuazhong Tan if (d->qid >= d->handle->kinfo.num_tqps) { 72077e91848SHuazhong Tan dev_err(&d->handle->pdev->dev, 72177e91848SHuazhong Tan "queue%u is not in use\n", d->qid); 72277e91848SHuazhong Tan return -EINVAL; 72377e91848SHuazhong Tan } 72477e91848SHuazhong Tan 72577e91848SHuazhong Tan for (i = 0; i < ARRAY_SIZE(tx_bd_info_items); i++) 72677e91848SHuazhong Tan result[i] = &data_str[i][0]; 72777e91848SHuazhong Tan 72877e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, 72977e91848SHuazhong Tan "Queue %u tx bd info:\n", d->qid); 73077e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), tx_bd_info_items, 73177e91848SHuazhong Tan NULL, ARRAY_SIZE(tx_bd_info_items)); 73277e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 73377e91848SHuazhong Tan 73477e91848SHuazhong Tan ring = &priv->ring[d->qid]; 73577e91848SHuazhong Tan for (i = 0; i < ring->desc_num; i++) { 73677e91848SHuazhong Tan desc = &ring->desc[i]; 73777e91848SHuazhong Tan 73877e91848SHuazhong Tan hns3_dump_tx_bd_info(priv, desc, result, i); 73977e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), 74077e91848SHuazhong Tan tx_bd_info_items, (const char **)result, 74177e91848SHuazhong Tan ARRAY_SIZE(tx_bd_info_items)); 74277e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 74377e91848SHuazhong Tan } 744122bedc5Sliuzhongzhu 745122bedc5Sliuzhongzhu return 0; 746122bedc5Sliuzhongzhu } 747122bedc5Sliuzhongzhu 748b2292360Sliuzhongzhu static void hns3_dbg_help(struct hnae3_handle *h) 749b2292360Sliuzhongzhu { 750b2292360Sliuzhongzhu dev_info(&h->pdev->dev, "available commands\n"); 75197afd47bSYufeng Mo 75297afd47bSYufeng Mo if (!hns3_is_phys_func(h->pdev)) 75397afd47bSYufeng Mo return; 75497afd47bSYufeng Mo 7556fc22440Sliuzhongzhu dev_info(&h->pdev->dev, "dump qos pri map\n"); 7567d9d7f88Sliuzhongzhu dev_info(&h->pdev->dev, "dump qos buf cfg\n"); 757a6345787SWeihang Li dev_info(&h->pdev->dev, "dump mac tnl status\n"); 75889ec9485SYonglong Liu dev_info(&h->pdev->dev, "dump qs shaper [qs id]\n"); 759b2292360Sliuzhongzhu } 760b2292360Sliuzhongzhu 761c929bc2aSJiaran Zhang static void 762c929bc2aSJiaran Zhang hns3_dbg_dev_caps(struct hnae3_handle *h, char *buf, int len, int *pos) 7639484e337SGuangbin Huang { 7649484e337SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 765c929bc2aSJiaran Zhang static const char * const str[] = {"no", "yes"}; 766c929bc2aSJiaran Zhang unsigned long *caps = ae_dev->caps; 767c929bc2aSJiaran Zhang u32 i, state; 7689484e337SGuangbin Huang 769c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "dev capability:\n"); 7709484e337SGuangbin Huang 771c929bc2aSJiaran Zhang for (i = 0; i < ARRAY_SIZE(hns3_dbg_cap); i++) { 772c929bc2aSJiaran Zhang state = test_bit(hns3_dbg_cap[i].cap_bit, caps); 773c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "%s: %s\n", 774c929bc2aSJiaran Zhang hns3_dbg_cap[i].name, str[state]); 7759484e337SGuangbin Huang } 7769484e337SGuangbin Huang 777c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "\n"); 778c929bc2aSJiaran Zhang } 779c929bc2aSJiaran Zhang 780c929bc2aSJiaran Zhang static void 781c929bc2aSJiaran Zhang hns3_dbg_dev_specs(struct hnae3_handle *h, char *buf, int len, int *pos) 782b4442ec5SGuangbin Huang { 783b4442ec5SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 784b4442ec5SGuangbin Huang struct hnae3_dev_specs *dev_specs = &ae_dev->dev_specs; 785b4442ec5SGuangbin Huang struct hnae3_knic_private_info *kinfo = &h->kinfo; 786b4442ec5SGuangbin Huang 787c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "dev_spec:\n"); 788c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAC entry num: %u\n", 789c929bc2aSJiaran Zhang dev_specs->mac_entry_num); 790c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MNG entry num: %u\n", 791c929bc2aSJiaran Zhang dev_specs->mng_entry_num); 792c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX non tso bd num: %u\n", 793b4442ec5SGuangbin Huang dev_specs->max_non_tso_bd_num); 794c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RSS ind tbl size: %u\n", 795b4442ec5SGuangbin Huang dev_specs->rss_ind_tbl_size); 796c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RSS key size: %u\n", 797c929bc2aSJiaran Zhang dev_specs->rss_key_size); 798c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RSS size: %u\n", 799c929bc2aSJiaran Zhang kinfo->rss_size); 800c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "Allocated RSS size: %u\n", 801c929bc2aSJiaran Zhang kinfo->req_rss_size); 802c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, 803c929bc2aSJiaran Zhang "Task queue pairs numbers: %u\n", 804c929bc2aSJiaran Zhang kinfo->num_tqps); 805c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RX buffer length: %u\n", 806c929bc2aSJiaran Zhang kinfo->rx_buf_len); 807c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "Desc num per TX queue: %u\n", 808c929bc2aSJiaran Zhang kinfo->num_tx_desc); 809c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "Desc num per RX queue: %u\n", 810c929bc2aSJiaran Zhang kinfo->num_rx_desc); 811c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, 812c929bc2aSJiaran Zhang "Total number of enabled TCs: %u\n", 81335244430SJian Shen kinfo->tc_info.num_tc); 814c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX INT QL: %u\n", 815c929bc2aSJiaran Zhang dev_specs->int_ql_max); 816c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX INT GL: %u\n", 817c929bc2aSJiaran Zhang dev_specs->max_int_gl); 818c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX TM RATE: %u\n", 819c929bc2aSJiaran Zhang dev_specs->max_tm_rate); 820c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX QSET number: %u\n", 821c929bc2aSJiaran Zhang dev_specs->max_qset_num); 822c929bc2aSJiaran Zhang } 823c929bc2aSJiaran Zhang 824c929bc2aSJiaran Zhang static int hns3_dbg_dev_info(struct hnae3_handle *h, char *buf, int len) 825c929bc2aSJiaran Zhang { 826c929bc2aSJiaran Zhang int pos = 0; 827c929bc2aSJiaran Zhang 828c929bc2aSJiaran Zhang hns3_dbg_dev_caps(h, buf, len, &pos); 829c929bc2aSJiaran Zhang 830c929bc2aSJiaran Zhang hns3_dbg_dev_specs(h, buf, len, &pos); 831c929bc2aSJiaran Zhang 832c929bc2aSJiaran Zhang return 0; 833b4442ec5SGuangbin Huang } 834b4442ec5SGuangbin Huang 835b2292360Sliuzhongzhu static ssize_t hns3_dbg_cmd_read(struct file *filp, char __user *buffer, 836b2292360Sliuzhongzhu size_t count, loff_t *ppos) 837b2292360Sliuzhongzhu { 838b2292360Sliuzhongzhu int uncopy_bytes; 839b2292360Sliuzhongzhu char *buf; 840b2292360Sliuzhongzhu int len; 841b2292360Sliuzhongzhu 842b2292360Sliuzhongzhu if (*ppos != 0) 843b2292360Sliuzhongzhu return 0; 844b2292360Sliuzhongzhu 845b2292360Sliuzhongzhu if (count < HNS3_DBG_READ_LEN) 846b2292360Sliuzhongzhu return -ENOSPC; 847b2292360Sliuzhongzhu 848b2292360Sliuzhongzhu buf = kzalloc(HNS3_DBG_READ_LEN, GFP_KERNEL); 849b2292360Sliuzhongzhu if (!buf) 850b2292360Sliuzhongzhu return -ENOMEM; 851b2292360Sliuzhongzhu 85249e211c0SChen Zhou len = scnprintf(buf, HNS3_DBG_READ_LEN, "%s\n", 853b2292360Sliuzhongzhu "Please echo help to cmd to get help information"); 854b2292360Sliuzhongzhu uncopy_bytes = copy_to_user(buffer, buf, len); 855b2292360Sliuzhongzhu 856b2292360Sliuzhongzhu kfree(buf); 857b2292360Sliuzhongzhu 858b2292360Sliuzhongzhu if (uncopy_bytes) 859b2292360Sliuzhongzhu return -EFAULT; 860b2292360Sliuzhongzhu 861b2292360Sliuzhongzhu return (*ppos = len); 862b2292360Sliuzhongzhu } 863b2292360Sliuzhongzhu 864c318af3fSPeng Li static int hns3_dbg_check_cmd(struct hnae3_handle *handle, char *cmd_buf) 865c318af3fSPeng Li { 866c318af3fSPeng Li int ret = 0; 867c318af3fSPeng Li 868c318af3fSPeng Li if (strncmp(cmd_buf, "help", 4) == 0) 869c318af3fSPeng Li hns3_dbg_help(handle); 870c318af3fSPeng Li else if (handle->ae_algo->ops->dbg_run_cmd) 871c318af3fSPeng Li ret = handle->ae_algo->ops->dbg_run_cmd(handle, cmd_buf); 872c318af3fSPeng Li else 873c318af3fSPeng Li ret = -EOPNOTSUPP; 874c318af3fSPeng Li 875c318af3fSPeng Li return ret; 876c318af3fSPeng Li } 877c318af3fSPeng Li 878b2292360Sliuzhongzhu static ssize_t hns3_dbg_cmd_write(struct file *filp, const char __user *buffer, 879b2292360Sliuzhongzhu size_t count, loff_t *ppos) 880b2292360Sliuzhongzhu { 881b2292360Sliuzhongzhu struct hnae3_handle *handle = filp->private_data; 88257ceee2cSliuzhongzhu struct hns3_nic_priv *priv = handle->priv; 883b2292360Sliuzhongzhu char *cmd_buf, *cmd_buf_tmp; 884b2292360Sliuzhongzhu int uncopied_bytes; 885c318af3fSPeng Li int ret; 886b2292360Sliuzhongzhu 887b2292360Sliuzhongzhu if (*ppos != 0) 888b2292360Sliuzhongzhu return 0; 889b2292360Sliuzhongzhu 89057ceee2cSliuzhongzhu /* Judge if the instance is being reset. */ 8917737f1fbSliuzhongzhu if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 89257ceee2cSliuzhongzhu test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) 89357ceee2cSliuzhongzhu return 0; 89457ceee2cSliuzhongzhu 8957ac243f9SYufeng Mo if (count > HNS3_DBG_WRITE_LEN) 8967ac243f9SYufeng Mo return -ENOSPC; 8977ac243f9SYufeng Mo 898b2292360Sliuzhongzhu cmd_buf = kzalloc(count + 1, GFP_KERNEL); 899b2292360Sliuzhongzhu if (!cmd_buf) 900b2292360Sliuzhongzhu return count; 901b2292360Sliuzhongzhu 902b2292360Sliuzhongzhu uncopied_bytes = copy_from_user(cmd_buf, buffer, count); 903b2292360Sliuzhongzhu if (uncopied_bytes) { 904b2292360Sliuzhongzhu kfree(cmd_buf); 905b2292360Sliuzhongzhu return -EFAULT; 906b2292360Sliuzhongzhu } 907b2292360Sliuzhongzhu 908b2292360Sliuzhongzhu cmd_buf[count] = '\0'; 909b2292360Sliuzhongzhu 910b2292360Sliuzhongzhu cmd_buf_tmp = strchr(cmd_buf, '\n'); 911b2292360Sliuzhongzhu if (cmd_buf_tmp) { 912b2292360Sliuzhongzhu *cmd_buf_tmp = '\0'; 913b2292360Sliuzhongzhu count = cmd_buf_tmp - cmd_buf + 1; 914b2292360Sliuzhongzhu } 915b2292360Sliuzhongzhu 916c318af3fSPeng Li ret = hns3_dbg_check_cmd(handle, cmd_buf); 917b2292360Sliuzhongzhu if (ret) 918b2292360Sliuzhongzhu hns3_dbg_help(handle); 919b2292360Sliuzhongzhu 920b2292360Sliuzhongzhu kfree(cmd_buf); 921b2292360Sliuzhongzhu cmd_buf = NULL; 922b2292360Sliuzhongzhu 923b2292360Sliuzhongzhu return count; 924b2292360Sliuzhongzhu } 925b2292360Sliuzhongzhu 9265e69ea7eSYufeng Mo static int hns3_dbg_get_cmd_index(struct hnae3_handle *handle, 9275e69ea7eSYufeng Mo const unsigned char *name, u32 *index) 9285e69ea7eSYufeng Mo { 9295e69ea7eSYufeng Mo u32 i; 9305e69ea7eSYufeng Mo 9315e69ea7eSYufeng Mo for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) { 9325e69ea7eSYufeng Mo if (!strncmp(name, hns3_dbg_cmd[i].name, 9335e69ea7eSYufeng Mo strlen(hns3_dbg_cmd[i].name))) { 9345e69ea7eSYufeng Mo *index = i; 9355e69ea7eSYufeng Mo return 0; 9365e69ea7eSYufeng Mo } 9375e69ea7eSYufeng Mo } 9385e69ea7eSYufeng Mo 9395e69ea7eSYufeng Mo dev_err(&handle->pdev->dev, "unknown command(%s)\n", name); 9405e69ea7eSYufeng Mo return -EINVAL; 9415e69ea7eSYufeng Mo } 9425e69ea7eSYufeng Mo 943c929bc2aSJiaran Zhang static const struct hns3_dbg_func hns3_dbg_cmd_func[] = { 944c929bc2aSJiaran Zhang { 945d2f737cfSHao Chen .cmd = HNAE3_DBG_CMD_QUEUE_MAP, 946d2f737cfSHao Chen .dbg_dump = hns3_dbg_queue_map, 947d2f737cfSHao Chen }, 948d2f737cfSHao Chen { 949c929bc2aSJiaran Zhang .cmd = HNAE3_DBG_CMD_DEV_INFO, 950c929bc2aSJiaran Zhang .dbg_dump = hns3_dbg_dev_info, 951c929bc2aSJiaran Zhang }, 95277e91848SHuazhong Tan { 95377e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_TX_BD, 95477e91848SHuazhong Tan .dbg_dump_bd = hns3_dbg_tx_bd_info, 95577e91848SHuazhong Tan }, 95677e91848SHuazhong Tan { 95777e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_RX_BD, 95877e91848SHuazhong Tan .dbg_dump_bd = hns3_dbg_rx_bd_info, 95977e91848SHuazhong Tan }, 960e44c495dSHao Chen { 961e44c495dSHao Chen .cmd = HNAE3_DBG_CMD_RX_QUEUE_INFO, 962e44c495dSHao Chen .dbg_dump = hns3_dbg_rx_queue_info, 963e44c495dSHao Chen }, 964e44c495dSHao Chen { 965e44c495dSHao Chen .cmd = HNAE3_DBG_CMD_TX_QUEUE_INFO, 966e44c495dSHao Chen .dbg_dump = hns3_dbg_tx_queue_info, 967e44c495dSHao Chen }, 968c929bc2aSJiaran Zhang }; 969c929bc2aSJiaran Zhang 97077e91848SHuazhong Tan static int hns3_dbg_read_cmd(struct hns3_dbg_data *dbg_data, 9715e69ea7eSYufeng Mo enum hnae3_dbg_cmd cmd, char *buf, int len) 9725e69ea7eSYufeng Mo { 97377e91848SHuazhong Tan const struct hnae3_ae_ops *ops = dbg_data->handle->ae_algo->ops; 97477e91848SHuazhong Tan const struct hns3_dbg_func *cmd_func; 975c929bc2aSJiaran Zhang u32 i; 976c929bc2aSJiaran Zhang 977c929bc2aSJiaran Zhang for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd_func); i++) { 97877e91848SHuazhong Tan if (cmd == hns3_dbg_cmd_func[i].cmd) { 97977e91848SHuazhong Tan cmd_func = &hns3_dbg_cmd_func[i]; 98077e91848SHuazhong Tan if (cmd_func->dbg_dump) 98177e91848SHuazhong Tan return cmd_func->dbg_dump(dbg_data->handle, buf, 98277e91848SHuazhong Tan len); 98377e91848SHuazhong Tan else 98477e91848SHuazhong Tan return cmd_func->dbg_dump_bd(dbg_data, buf, 98577e91848SHuazhong Tan len); 98677e91848SHuazhong Tan } 987c929bc2aSJiaran Zhang } 9885e69ea7eSYufeng Mo 9895e69ea7eSYufeng Mo if (!ops->dbg_read_cmd) 9905e69ea7eSYufeng Mo return -EOPNOTSUPP; 9915e69ea7eSYufeng Mo 99277e91848SHuazhong Tan return ops->dbg_read_cmd(dbg_data->handle, cmd, buf, len); 9935e69ea7eSYufeng Mo } 9945e69ea7eSYufeng Mo 99504987ca1SGuangbin Huang static ssize_t hns3_dbg_read(struct file *filp, char __user *buffer, 99604987ca1SGuangbin Huang size_t count, loff_t *ppos) 99704987ca1SGuangbin Huang { 99877e91848SHuazhong Tan struct hns3_dbg_data *dbg_data = filp->private_data; 99977e91848SHuazhong Tan struct hnae3_handle *handle = dbg_data->handle; 100004987ca1SGuangbin Huang struct hns3_nic_priv *priv = handle->priv; 100104987ca1SGuangbin Huang ssize_t size = 0; 10025e69ea7eSYufeng Mo char **save_buf; 10035e69ea7eSYufeng Mo char *read_buf; 10045e69ea7eSYufeng Mo u32 index; 10055e69ea7eSYufeng Mo int ret; 100604987ca1SGuangbin Huang 10075e69ea7eSYufeng Mo ret = hns3_dbg_get_cmd_index(handle, filp->f_path.dentry->d_iname, 10085e69ea7eSYufeng Mo &index); 10095e69ea7eSYufeng Mo if (ret) 10105e69ea7eSYufeng Mo return ret; 10115e69ea7eSYufeng Mo 10125e69ea7eSYufeng Mo save_buf = &hns3_dbg_cmd[index].buf; 10135e69ea7eSYufeng Mo 10145e69ea7eSYufeng Mo if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 10155e69ea7eSYufeng Mo test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) { 10165e69ea7eSYufeng Mo ret = -EBUSY; 10175e69ea7eSYufeng Mo goto out; 10185e69ea7eSYufeng Mo } 10195e69ea7eSYufeng Mo 10205e69ea7eSYufeng Mo if (*save_buf) { 10215e69ea7eSYufeng Mo read_buf = *save_buf; 10225e69ea7eSYufeng Mo } else { 10235e69ea7eSYufeng Mo read_buf = kvzalloc(hns3_dbg_cmd[index].buf_len, GFP_KERNEL); 102404987ca1SGuangbin Huang if (!read_buf) 102504987ca1SGuangbin Huang return -ENOMEM; 102604987ca1SGuangbin Huang 10275e69ea7eSYufeng Mo /* save the buffer addr until the last read operation */ 10285e69ea7eSYufeng Mo *save_buf = read_buf; 10295e69ea7eSYufeng Mo } 103004987ca1SGuangbin Huang 10315e69ea7eSYufeng Mo /* get data ready for the first time to read */ 10325e69ea7eSYufeng Mo if (!*ppos) { 103377e91848SHuazhong Tan ret = hns3_dbg_read_cmd(dbg_data, hns3_dbg_cmd[index].cmd, 10345e69ea7eSYufeng Mo read_buf, hns3_dbg_cmd[index].buf_len); 10355e69ea7eSYufeng Mo if (ret) 103604987ca1SGuangbin Huang goto out; 103704987ca1SGuangbin Huang } 103804987ca1SGuangbin Huang 103904987ca1SGuangbin Huang size = simple_read_from_buffer(buffer, count, ppos, read_buf, 104004987ca1SGuangbin Huang strlen(read_buf)); 10415e69ea7eSYufeng Mo if (size > 0) 10425e69ea7eSYufeng Mo return size; 104304987ca1SGuangbin Huang 104404987ca1SGuangbin Huang out: 10455e69ea7eSYufeng Mo /* free the buffer for the last read operation */ 10465e69ea7eSYufeng Mo if (*save_buf) { 10475e69ea7eSYufeng Mo kvfree(*save_buf); 10485e69ea7eSYufeng Mo *save_buf = NULL; 10495e69ea7eSYufeng Mo } 10505e69ea7eSYufeng Mo 10515e69ea7eSYufeng Mo return ret; 105204987ca1SGuangbin Huang } 105304987ca1SGuangbin Huang 1054b2292360Sliuzhongzhu static const struct file_operations hns3_dbg_cmd_fops = { 1055b2292360Sliuzhongzhu .owner = THIS_MODULE, 1056b2292360Sliuzhongzhu .open = simple_open, 1057b2292360Sliuzhongzhu .read = hns3_dbg_cmd_read, 1058b2292360Sliuzhongzhu .write = hns3_dbg_cmd_write, 1059b2292360Sliuzhongzhu }; 1060b2292360Sliuzhongzhu 106104987ca1SGuangbin Huang static const struct file_operations hns3_dbg_fops = { 106204987ca1SGuangbin Huang .owner = THIS_MODULE, 106304987ca1SGuangbin Huang .open = simple_open, 106404987ca1SGuangbin Huang .read = hns3_dbg_read, 106504987ca1SGuangbin Huang }; 106604987ca1SGuangbin Huang 106777e91848SHuazhong Tan static int hns3_dbg_bd_file_init(struct hnae3_handle *handle, u32 cmd) 106877e91848SHuazhong Tan { 106977e91848SHuazhong Tan struct dentry *entry_dir; 107077e91848SHuazhong Tan struct hns3_dbg_data *data; 107177e91848SHuazhong Tan u16 max_queue_num; 107277e91848SHuazhong Tan unsigned int i; 107377e91848SHuazhong Tan 107477e91848SHuazhong Tan entry_dir = hns3_dbg_dentry[hns3_dbg_cmd[cmd].dentry].dentry; 107577e91848SHuazhong Tan max_queue_num = hns3_get_max_available_channels(handle); 107677e91848SHuazhong Tan data = devm_kzalloc(&handle->pdev->dev, max_queue_num * sizeof(*data), 107777e91848SHuazhong Tan GFP_KERNEL); 107877e91848SHuazhong Tan if (!data) 107977e91848SHuazhong Tan return -ENOMEM; 108077e91848SHuazhong Tan 108177e91848SHuazhong Tan for (i = 0; i < max_queue_num; i++) { 108277e91848SHuazhong Tan char name[HNS3_DBG_FILE_NAME_LEN]; 108377e91848SHuazhong Tan 108477e91848SHuazhong Tan data[i].handle = handle; 108577e91848SHuazhong Tan data[i].qid = i; 108677e91848SHuazhong Tan sprintf(name, "%s%u", hns3_dbg_cmd[cmd].name, i); 108777e91848SHuazhong Tan debugfs_create_file(name, 0400, entry_dir, &data[i], 108877e91848SHuazhong Tan &hns3_dbg_fops); 108977e91848SHuazhong Tan } 109077e91848SHuazhong Tan 109177e91848SHuazhong Tan return 0; 109277e91848SHuazhong Tan } 109377e91848SHuazhong Tan 10945e69ea7eSYufeng Mo static int 10955e69ea7eSYufeng Mo hns3_dbg_common_file_init(struct hnae3_handle *handle, u32 cmd) 10965e69ea7eSYufeng Mo { 109777e91848SHuazhong Tan struct hns3_dbg_data *data; 10985e69ea7eSYufeng Mo struct dentry *entry_dir; 10995e69ea7eSYufeng Mo 110077e91848SHuazhong Tan data = devm_kzalloc(&handle->pdev->dev, sizeof(*data), GFP_KERNEL); 110177e91848SHuazhong Tan if (!data) 110277e91848SHuazhong Tan return -ENOMEM; 110377e91848SHuazhong Tan 110477e91848SHuazhong Tan data->handle = handle; 11055e69ea7eSYufeng Mo entry_dir = hns3_dbg_dentry[hns3_dbg_cmd[cmd].dentry].dentry; 11065e69ea7eSYufeng Mo debugfs_create_file(hns3_dbg_cmd[cmd].name, 0400, entry_dir, 110777e91848SHuazhong Tan data, &hns3_dbg_fops); 11085e69ea7eSYufeng Mo 11095e69ea7eSYufeng Mo return 0; 11105e69ea7eSYufeng Mo } 11115e69ea7eSYufeng Mo 11125e69ea7eSYufeng Mo int hns3_dbg_init(struct hnae3_handle *handle) 1113b2292360Sliuzhongzhu { 111404987ca1SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1115b2292360Sliuzhongzhu const char *name = pci_name(handle->pdev); 11165e69ea7eSYufeng Mo int ret; 11175e69ea7eSYufeng Mo u32 i; 1118b2292360Sliuzhongzhu 11195e69ea7eSYufeng Mo hns3_dbg_dentry[HNS3_DBG_DENTRY_COMMON].dentry = 11205e69ea7eSYufeng Mo debugfs_create_dir(name, hns3_dbgfs_root); 11215e69ea7eSYufeng Mo handle->hnae3_dbgfs = hns3_dbg_dentry[HNS3_DBG_DENTRY_COMMON].dentry; 1122b2292360Sliuzhongzhu 112311ab11e6SGreg Kroah-Hartman debugfs_create_file("cmd", 0600, handle->hnae3_dbgfs, handle, 1124b2292360Sliuzhongzhu &hns3_dbg_cmd_fops); 112504987ca1SGuangbin Huang 11265e69ea7eSYufeng Mo for (i = 0; i < HNS3_DBG_DENTRY_COMMON; i++) 11275e69ea7eSYufeng Mo hns3_dbg_dentry[i].dentry = 11285e69ea7eSYufeng Mo debugfs_create_dir(hns3_dbg_dentry[i].name, 11295e69ea7eSYufeng Mo handle->hnae3_dbgfs); 11305e69ea7eSYufeng Mo 11315e69ea7eSYufeng Mo for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) { 11325e69ea7eSYufeng Mo if (hns3_dbg_cmd[i].cmd == HNAE3_DBG_CMD_TM_NODES && 11335e69ea7eSYufeng Mo ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2) 11345e69ea7eSYufeng Mo continue; 11355e69ea7eSYufeng Mo 11365e69ea7eSYufeng Mo if (!hns3_dbg_cmd[i].init) { 11375e69ea7eSYufeng Mo dev_err(&handle->pdev->dev, 11385e69ea7eSYufeng Mo "cmd %s lack of init func\n", 11395e69ea7eSYufeng Mo hns3_dbg_cmd[i].name); 11405e69ea7eSYufeng Mo ret = -EINVAL; 11415e69ea7eSYufeng Mo goto out; 11425e69ea7eSYufeng Mo } 11435e69ea7eSYufeng Mo 11445e69ea7eSYufeng Mo ret = hns3_dbg_cmd[i].init(handle, i); 11455e69ea7eSYufeng Mo if (ret) { 11465e69ea7eSYufeng Mo dev_err(&handle->pdev->dev, "failed to init cmd %s\n", 11475e69ea7eSYufeng Mo hns3_dbg_cmd[i].name); 11485e69ea7eSYufeng Mo goto out; 11495e69ea7eSYufeng Mo } 11505e69ea7eSYufeng Mo } 11515e69ea7eSYufeng Mo 11525e69ea7eSYufeng Mo return 0; 11535e69ea7eSYufeng Mo 11545e69ea7eSYufeng Mo out: 11555e69ea7eSYufeng Mo debugfs_remove_recursive(handle->hnae3_dbgfs); 11565e69ea7eSYufeng Mo handle->hnae3_dbgfs = NULL; 11575e69ea7eSYufeng Mo return ret; 1158b2292360Sliuzhongzhu } 1159b2292360Sliuzhongzhu 1160b2292360Sliuzhongzhu void hns3_dbg_uninit(struct hnae3_handle *handle) 1161b2292360Sliuzhongzhu { 11625e69ea7eSYufeng Mo u32 i; 11635e69ea7eSYufeng Mo 11645e69ea7eSYufeng Mo for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) 11655e69ea7eSYufeng Mo if (hns3_dbg_cmd[i].buf) { 11665e69ea7eSYufeng Mo kvfree(hns3_dbg_cmd[i].buf); 11675e69ea7eSYufeng Mo hns3_dbg_cmd[i].buf = NULL; 11685e69ea7eSYufeng Mo } 11695e69ea7eSYufeng Mo 1170b2292360Sliuzhongzhu debugfs_remove_recursive(handle->hnae3_dbgfs); 1171b2292360Sliuzhongzhu handle->hnae3_dbgfs = NULL; 1172b2292360Sliuzhongzhu } 1173b2292360Sliuzhongzhu 1174b2292360Sliuzhongzhu void hns3_dbg_register_debugfs(const char *debugfs_dir_name) 1175b2292360Sliuzhongzhu { 1176b2292360Sliuzhongzhu hns3_dbgfs_root = debugfs_create_dir(debugfs_dir_name, NULL); 1177b2292360Sliuzhongzhu } 1178b2292360Sliuzhongzhu 1179b2292360Sliuzhongzhu void hns3_dbg_unregister_debugfs(void) 1180b2292360Sliuzhongzhu { 1181b2292360Sliuzhongzhu debugfs_remove_recursive(hns3_dbgfs_root); 1182b2292360Sliuzhongzhu hns3_dbgfs_root = NULL; 1183b2292360Sliuzhongzhu } 1184