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 { 966571ec2eSGuangbin Huang .name = "qos_pause_cfg", 976571ec2eSGuangbin Huang .cmd = HNAE3_DBG_CMD_QOS_PAUSE_CFG, 986571ec2eSGuangbin Huang .dentry = HNS3_DBG_DENTRY_TM, 996571ec2eSGuangbin Huang .buf_len = HNS3_DBG_READ_LEN, 1006571ec2eSGuangbin Huang .init = hns3_dbg_common_file_init, 1016571ec2eSGuangbin Huang }, 1026571ec2eSGuangbin Huang { 10328d3badaSGuangbin Huang .name = "qos_pri_map", 10428d3badaSGuangbin Huang .cmd = HNAE3_DBG_CMD_QOS_PRI_MAP, 10528d3badaSGuangbin Huang .dentry = HNS3_DBG_DENTRY_TM, 10628d3badaSGuangbin Huang .buf_len = HNS3_DBG_READ_LEN, 10728d3badaSGuangbin Huang .init = hns3_dbg_common_file_init, 10828d3badaSGuangbin Huang }, 10928d3badaSGuangbin Huang { 110*95b19586SGuangbin Huang .name = "qos_buf_cfg", 111*95b19586SGuangbin Huang .cmd = HNAE3_DBG_CMD_QOS_BUF_CFG, 112*95b19586SGuangbin Huang .dentry = HNS3_DBG_DENTRY_TM, 113*95b19586SGuangbin Huang .buf_len = HNS3_DBG_READ_LEN, 114*95b19586SGuangbin Huang .init = hns3_dbg_common_file_init, 115*95b19586SGuangbin Huang }, 116*95b19586SGuangbin Huang { 117c929bc2aSJiaran Zhang .name = "dev_info", 118c929bc2aSJiaran Zhang .cmd = HNAE3_DBG_CMD_DEV_INFO, 119c929bc2aSJiaran Zhang .dentry = HNS3_DBG_DENTRY_COMMON, 120c929bc2aSJiaran Zhang .buf_len = HNS3_DBG_READ_LEN, 121c929bc2aSJiaran Zhang .init = hns3_dbg_common_file_init, 122c929bc2aSJiaran Zhang }, 12377e91848SHuazhong Tan { 12477e91848SHuazhong Tan .name = "tx_bd_queue", 12577e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_TX_BD, 12677e91848SHuazhong Tan .dentry = HNS3_DBG_DENTRY_TX_BD, 12777e91848SHuazhong Tan .buf_len = HNS3_DBG_READ_LEN_4MB, 12877e91848SHuazhong Tan .init = hns3_dbg_bd_file_init, 12977e91848SHuazhong Tan }, 13077e91848SHuazhong Tan { 13177e91848SHuazhong Tan .name = "rx_bd_queue", 13277e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_RX_BD, 13377e91848SHuazhong Tan .dentry = HNS3_DBG_DENTRY_RX_BD, 13477e91848SHuazhong Tan .buf_len = HNS3_DBG_READ_LEN_4MB, 13577e91848SHuazhong Tan .init = hns3_dbg_bd_file_init, 13677e91848SHuazhong Tan }, 1371556ea91SHuazhong Tan { 1381556ea91SHuazhong Tan .name = "uc", 1391556ea91SHuazhong Tan .cmd = HNAE3_DBG_CMD_MAC_UC, 1401556ea91SHuazhong Tan .dentry = HNS3_DBG_DENTRY_MAC, 1411556ea91SHuazhong Tan .buf_len = HNS3_DBG_READ_LEN, 1421556ea91SHuazhong Tan .init = hns3_dbg_common_file_init, 1431556ea91SHuazhong Tan }, 1441556ea91SHuazhong Tan { 1451556ea91SHuazhong Tan .name = "mc", 1461556ea91SHuazhong Tan .cmd = HNAE3_DBG_CMD_MAC_MC, 1471556ea91SHuazhong Tan .dentry = HNS3_DBG_DENTRY_MAC, 1481556ea91SHuazhong Tan .buf_len = HNS3_DBG_READ_LEN, 1491556ea91SHuazhong Tan .init = hns3_dbg_common_file_init, 1501556ea91SHuazhong Tan }, 1518ddfd9c4SYufeng Mo { 1528ddfd9c4SYufeng Mo .name = "mng_tbl", 1538ddfd9c4SYufeng Mo .cmd = HNAE3_DBG_CMD_MNG_TBL, 1548ddfd9c4SYufeng Mo .dentry = HNS3_DBG_DENTRY_COMMON, 1558ddfd9c4SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 1568ddfd9c4SYufeng Mo .init = hns3_dbg_common_file_init, 1578ddfd9c4SYufeng Mo }, 158d658ff34SYufeng Mo { 159d658ff34SYufeng Mo .name = "loopback", 160d658ff34SYufeng Mo .cmd = HNAE3_DBG_CMD_LOOPBACK, 161d658ff34SYufeng Mo .dentry = HNS3_DBG_DENTRY_COMMON, 162d658ff34SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 163d658ff34SYufeng Mo .init = hns3_dbg_common_file_init, 164d658ff34SYufeng Mo }, 1659149ca0fSJiaran Zhang { 1669149ca0fSJiaran Zhang .name = "interrupt_info", 1679149ca0fSJiaran Zhang .cmd = HNAE3_DBG_CMD_INTERRUPT_INFO, 1689149ca0fSJiaran Zhang .dentry = HNS3_DBG_DENTRY_COMMON, 1699149ca0fSJiaran Zhang .buf_len = HNS3_DBG_READ_LEN, 1709149ca0fSJiaran Zhang .init = hns3_dbg_common_file_init, 1719149ca0fSJiaran Zhang }, 1721a7ff828SJiaran Zhang { 1731a7ff828SJiaran Zhang .name = "reset_info", 1741a7ff828SJiaran Zhang .cmd = HNAE3_DBG_CMD_RESET_INFO, 1751a7ff828SJiaran Zhang .dentry = HNS3_DBG_DENTRY_COMMON, 1761a7ff828SJiaran Zhang .buf_len = HNS3_DBG_READ_LEN, 1771a7ff828SJiaran Zhang .init = hns3_dbg_common_file_init, 1781a7ff828SJiaran Zhang }, 1790b198b0dSJiaran Zhang { 1800b198b0dSJiaran Zhang .name = "imp_info", 1810b198b0dSJiaran Zhang .cmd = HNAE3_DBG_CMD_IMP_INFO, 1820b198b0dSJiaran Zhang .dentry = HNS3_DBG_DENTRY_COMMON, 1830b198b0dSJiaran Zhang .buf_len = HNS3_DBG_READ_LEN, 1840b198b0dSJiaran Zhang .init = hns3_dbg_common_file_init, 1850b198b0dSJiaran Zhang }, 186e76e6886SJiaran Zhang { 187e76e6886SJiaran Zhang .name = "ncl_config", 188e76e6886SJiaran Zhang .cmd = HNAE3_DBG_CMD_NCL_CONFIG, 189e76e6886SJiaran Zhang .dentry = HNS3_DBG_DENTRY_COMMON, 190e76e6886SJiaran Zhang .buf_len = HNS3_DBG_READ_LEN_128KB, 191e76e6886SJiaran Zhang .init = hns3_dbg_common_file_init, 192e76e6886SJiaran Zhang }, 193d96b0e59SYufeng Mo { 194d96b0e59SYufeng Mo .name = "bios_common", 195d96b0e59SYufeng Mo .cmd = HNAE3_DBG_CMD_REG_BIOS_COMMON, 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 = "ssu", 202d96b0e59SYufeng Mo .cmd = HNAE3_DBG_CMD_REG_SSU, 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 = "igu_egu", 209d96b0e59SYufeng Mo .cmd = HNAE3_DBG_CMD_REG_IGU_EGU, 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 = "rpu", 216d96b0e59SYufeng Mo .cmd = HNAE3_DBG_CMD_REG_RPU, 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 = "ncsi", 223d96b0e59SYufeng Mo .cmd = HNAE3_DBG_CMD_REG_NCSI, 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 = "rtc", 230d96b0e59SYufeng Mo .cmd = HNAE3_DBG_CMD_REG_RTC, 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 = "ppp", 237d96b0e59SYufeng Mo .cmd = HNAE3_DBG_CMD_REG_PPP, 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 = "rcb", 244d96b0e59SYufeng Mo .cmd = HNAE3_DBG_CMD_REG_RCB, 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 }, 249d96b0e59SYufeng Mo { 250d96b0e59SYufeng Mo .name = "tqp", 251d96b0e59SYufeng Mo .cmd = HNAE3_DBG_CMD_REG_TQP, 252d96b0e59SYufeng Mo .dentry = HNS3_DBG_DENTRY_REG, 253d96b0e59SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 254d96b0e59SYufeng Mo .init = hns3_dbg_common_file_init, 255d96b0e59SYufeng Mo }, 256d96b0e59SYufeng Mo { 257d96b0e59SYufeng Mo .name = "mac", 258d96b0e59SYufeng Mo .cmd = HNAE3_DBG_CMD_REG_MAC, 259d96b0e59SYufeng Mo .dentry = HNS3_DBG_DENTRY_REG, 260d96b0e59SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 261d96b0e59SYufeng Mo .init = hns3_dbg_common_file_init, 262d96b0e59SYufeng Mo }, 263365e860aSYufeng Mo { 264365e860aSYufeng Mo .name = "dcb", 265365e860aSYufeng Mo .cmd = HNAE3_DBG_CMD_REG_DCB, 266365e860aSYufeng Mo .dentry = HNS3_DBG_DENTRY_REG, 267365e860aSYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 268365e860aSYufeng Mo .init = hns3_dbg_common_file_init, 269365e860aSYufeng Mo }, 270d2f737cfSHao Chen { 271d2f737cfSHao Chen .name = "queue_map", 272d2f737cfSHao Chen .cmd = HNAE3_DBG_CMD_QUEUE_MAP, 273d2f737cfSHao Chen .dentry = HNS3_DBG_DENTRY_QUEUE, 274d2f737cfSHao Chen .buf_len = HNS3_DBG_READ_LEN, 275d2f737cfSHao Chen .init = hns3_dbg_common_file_init, 276d2f737cfSHao Chen }, 277e44c495dSHao Chen { 278e44c495dSHao Chen .name = "rx_queue_info", 279e44c495dSHao Chen .cmd = HNAE3_DBG_CMD_RX_QUEUE_INFO, 280e44c495dSHao Chen .dentry = HNS3_DBG_DENTRY_QUEUE, 281e44c495dSHao Chen .buf_len = HNS3_DBG_READ_LEN_1MB, 282e44c495dSHao Chen .init = hns3_dbg_common_file_init, 283e44c495dSHao Chen }, 284e44c495dSHao Chen { 285e44c495dSHao Chen .name = "tx_queue_info", 286e44c495dSHao Chen .cmd = HNAE3_DBG_CMD_TX_QUEUE_INFO, 287e44c495dSHao Chen .dentry = HNS3_DBG_DENTRY_QUEUE, 288e44c495dSHao Chen .buf_len = HNS3_DBG_READ_LEN_1MB, 289e44c495dSHao Chen .init = hns3_dbg_common_file_init, 290e44c495dSHao Chen }, 291b5a0b70dSHao Chen { 292b5a0b70dSHao Chen .name = "fd_tcam", 293b5a0b70dSHao Chen .cmd = HNAE3_DBG_CMD_FD_TCAM, 294b5a0b70dSHao Chen .dentry = HNS3_DBG_DENTRY_FD, 295b5a0b70dSHao Chen .buf_len = HNS3_DBG_READ_LEN, 296b5a0b70dSHao Chen .init = hns3_dbg_common_file_init, 297b5a0b70dSHao Chen }, 298c929bc2aSJiaran Zhang }; 299c929bc2aSJiaran Zhang 300c929bc2aSJiaran Zhang static struct hns3_dbg_cap_info hns3_dbg_cap[] = { 301c929bc2aSJiaran Zhang { 302c929bc2aSJiaran Zhang .name = "support FD", 303c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_FD_B, 304c929bc2aSJiaran Zhang }, { 305c929bc2aSJiaran Zhang .name = "support GRO", 306c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_GRO_B, 307c929bc2aSJiaran Zhang }, { 308c929bc2aSJiaran Zhang .name = "support FEC", 309c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_FEC_B, 310c929bc2aSJiaran Zhang }, { 311c929bc2aSJiaran Zhang .name = "support UDP GSO", 312c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_UDP_GSO_B, 313c929bc2aSJiaran Zhang }, { 314c929bc2aSJiaran Zhang .name = "support PTP", 315c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_PTP_B, 316c929bc2aSJiaran Zhang }, { 317c929bc2aSJiaran Zhang .name = "support INT QL", 318c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_INT_QL_B, 319c929bc2aSJiaran Zhang }, { 320c929bc2aSJiaran Zhang .name = "support HW TX csum", 321c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_HW_TX_CSUM_B, 322c929bc2aSJiaran Zhang }, { 323c929bc2aSJiaran Zhang .name = "support UDP tunnel csum", 324c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_UDP_TUNNEL_CSUM_B, 325c929bc2aSJiaran Zhang }, { 326c929bc2aSJiaran Zhang .name = "support TX push", 327c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_TX_PUSH_B, 328c929bc2aSJiaran Zhang }, { 329c929bc2aSJiaran Zhang .name = "support imp-controlled PHY", 330c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_PHY_IMP_B, 331c929bc2aSJiaran Zhang }, { 332c929bc2aSJiaran Zhang .name = "support rxd advanced layout", 333c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_RXD_ADV_LAYOUT_B, 334c929bc2aSJiaran Zhang }, 3355e69ea7eSYufeng Mo }; 3365e69ea7eSYufeng Mo 33777e91848SHuazhong Tan static void hns3_dbg_fill_content(char *content, u16 len, 33877e91848SHuazhong Tan const struct hns3_dbg_item *items, 33977e91848SHuazhong Tan const char **result, u16 size) 34077e91848SHuazhong Tan { 34177e91848SHuazhong Tan char *pos = content; 34277e91848SHuazhong Tan u16 i; 34377e91848SHuazhong Tan 34477e91848SHuazhong Tan memset(content, ' ', len); 34577e91848SHuazhong Tan for (i = 0; i < size; i++) { 34677e91848SHuazhong Tan if (result) 34777e91848SHuazhong Tan strncpy(pos, result[i], strlen(result[i])); 34877e91848SHuazhong Tan else 34977e91848SHuazhong Tan strncpy(pos, items[i].name, strlen(items[i].name)); 35077e91848SHuazhong Tan 35177e91848SHuazhong Tan pos += strlen(items[i].name) + items[i].interval; 35277e91848SHuazhong Tan } 35377e91848SHuazhong Tan 35477e91848SHuazhong Tan *pos++ = '\n'; 35577e91848SHuazhong Tan *pos++ = '\0'; 35677e91848SHuazhong Tan } 35777e91848SHuazhong Tan 358e44c495dSHao Chen static const struct hns3_dbg_item rx_queue_info_items[] = { 359e44c495dSHao Chen { "QUEUE_ID", 2 }, 360e44c495dSHao Chen { "BD_NUM", 2 }, 361e44c495dSHao Chen { "BD_LEN", 2 }, 362e44c495dSHao Chen { "TAIL", 2 }, 363e44c495dSHao Chen { "HEAD", 2 }, 364e44c495dSHao Chen { "FBDNUM", 2 }, 365e44c495dSHao Chen { "PKTNUM", 2 }, 366e44c495dSHao Chen { "RING_EN", 2 }, 367e44c495dSHao Chen { "RX_RING_EN", 2 }, 368e44c495dSHao Chen { "BASE_ADDR", 10 }, 369e44c495dSHao Chen }; 370e44c495dSHao Chen 371e44c495dSHao Chen static void hns3_dump_rx_queue_info(struct hns3_enet_ring *ring, 372e44c495dSHao Chen struct hnae3_ae_dev *ae_dev, char **result, 373e44c495dSHao Chen u32 index) 37457ceee2cSliuzhongzhu { 37557ceee2cSliuzhongzhu u32 base_add_l, base_add_h; 376e44c495dSHao Chen u32 j = 0; 377e44c495dSHao Chen 378e44c495dSHao Chen sprintf(result[j++], "%8u", index); 379e44c495dSHao Chen 380e44c495dSHao Chen sprintf(result[j++], "%6u", readl_relaxed(ring->tqp->io_base + 381e44c495dSHao Chen HNS3_RING_RX_RING_BD_NUM_REG)); 382e44c495dSHao Chen 383e44c495dSHao Chen sprintf(result[j++], "%6u", readl_relaxed(ring->tqp->io_base + 384e44c495dSHao Chen HNS3_RING_RX_RING_BD_LEN_REG)); 385e44c495dSHao Chen 386e44c495dSHao Chen sprintf(result[j++], "%4u", readl_relaxed(ring->tqp->io_base + 387e44c495dSHao Chen HNS3_RING_RX_RING_TAIL_REG)); 388e44c495dSHao Chen 389e44c495dSHao Chen sprintf(result[j++], "%4u", readl_relaxed(ring->tqp->io_base + 390e44c495dSHao Chen HNS3_RING_RX_RING_HEAD_REG)); 391e44c495dSHao Chen 392e44c495dSHao Chen sprintf(result[j++], "%6u", readl_relaxed(ring->tqp->io_base + 393e44c495dSHao Chen HNS3_RING_RX_RING_FBDNUM_REG)); 394e44c495dSHao Chen 395e44c495dSHao Chen sprintf(result[j++], "%6u", readl_relaxed(ring->tqp->io_base + 396e44c495dSHao Chen HNS3_RING_RX_RING_PKTNUM_RECORD_REG)); 397e44c495dSHao Chen 398e44c495dSHao Chen sprintf(result[j++], "%7s", readl_relaxed(ring->tqp->io_base + 399e44c495dSHao Chen HNS3_RING_EN_REG) ? "on" : "off"); 400e44c495dSHao Chen 401e44c495dSHao Chen if (hnae3_ae_dev_tqp_txrx_indep_supported(ae_dev)) 402e44c495dSHao Chen sprintf(result[j++], "%10s", readl_relaxed(ring->tqp->io_base + 403e44c495dSHao Chen HNS3_RING_RX_EN_REG) ? "on" : "off"); 404e44c495dSHao Chen else 405e44c495dSHao Chen sprintf(result[j++], "%10s", "NA"); 406e44c495dSHao Chen 407e44c495dSHao Chen base_add_h = readl_relaxed(ring->tqp->io_base + 408e44c495dSHao Chen HNS3_RING_RX_RING_BASEADDR_H_REG); 409e44c495dSHao Chen base_add_l = readl_relaxed(ring->tqp->io_base + 410e44c495dSHao Chen HNS3_RING_RX_RING_BASEADDR_L_REG); 411e44c495dSHao Chen sprintf(result[j++], "0x%08x%08x", base_add_h, base_add_l); 412e44c495dSHao Chen } 413e44c495dSHao Chen 414e44c495dSHao Chen static int hns3_dbg_rx_queue_info(struct hnae3_handle *h, 415e44c495dSHao Chen char *buf, int len) 416e44c495dSHao Chen { 417e44c495dSHao Chen char data_str[ARRAY_SIZE(rx_queue_info_items)][HNS3_DBG_DATA_STR_LEN]; 418e44c495dSHao Chen struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 419e44c495dSHao Chen char *result[ARRAY_SIZE(rx_queue_info_items)]; 420e44c495dSHao Chen struct hns3_nic_priv *priv = h->priv; 421e44c495dSHao Chen char content[HNS3_DBG_INFO_LEN]; 422e44c495dSHao Chen struct hns3_enet_ring *ring; 423e44c495dSHao Chen int pos = 0; 424e44c495dSHao Chen u32 i; 42557ceee2cSliuzhongzhu 4265f06b903SYunsheng Lin if (!priv->ring) { 4275f06b903SYunsheng Lin dev_err(&h->pdev->dev, "priv->ring is NULL\n"); 42857ceee2cSliuzhongzhu return -EFAULT; 42957ceee2cSliuzhongzhu } 43057ceee2cSliuzhongzhu 431e44c495dSHao Chen for (i = 0; i < ARRAY_SIZE(rx_queue_info_items); i++) 432e44c495dSHao Chen result[i] = &data_str[i][0]; 43357ceee2cSliuzhongzhu 434e44c495dSHao Chen hns3_dbg_fill_content(content, sizeof(content), rx_queue_info_items, 435e44c495dSHao Chen NULL, ARRAY_SIZE(rx_queue_info_items)); 436e44c495dSHao Chen pos += scnprintf(buf + pos, len - pos, "%s", content); 437e44c495dSHao Chen for (i = 0; i < h->kinfo.num_tqps; i++) { 43857ceee2cSliuzhongzhu /* Each cycle needs to determine whether the instance is reset, 43957ceee2cSliuzhongzhu * to prevent reference to invalid memory. And need to ensure 44057ceee2cSliuzhongzhu * that the following code is executed within 100ms. 44157ceee2cSliuzhongzhu */ 4427737f1fbSliuzhongzhu if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 44357ceee2cSliuzhongzhu test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) 44457ceee2cSliuzhongzhu return -EPERM; 44557ceee2cSliuzhongzhu 4465f06b903SYunsheng Lin ring = &priv->ring[(u32)(i + h->kinfo.num_tqps)]; 447e44c495dSHao Chen hns3_dump_rx_queue_info(ring, ae_dev, result, i); 448e44c495dSHao Chen hns3_dbg_fill_content(content, sizeof(content), 449e44c495dSHao Chen rx_queue_info_items, 450e44c495dSHao Chen (const char **)result, 451e44c495dSHao Chen ARRAY_SIZE(rx_queue_info_items)); 452e44c495dSHao Chen pos += scnprintf(buf + pos, len - pos, "%s", content); 453e44c495dSHao Chen } 45457ceee2cSliuzhongzhu 455e44c495dSHao Chen return 0; 456e44c495dSHao Chen } 45757ceee2cSliuzhongzhu 458e44c495dSHao Chen static const struct hns3_dbg_item tx_queue_info_items[] = { 459e44c495dSHao Chen { "QUEUE_ID", 2 }, 460e44c495dSHao Chen { "BD_NUM", 2 }, 461e44c495dSHao Chen { "TC", 2 }, 462e44c495dSHao Chen { "TAIL", 2 }, 463e44c495dSHao Chen { "HEAD", 2 }, 464e44c495dSHao Chen { "FBDNUM", 2 }, 465e44c495dSHao Chen { "OFFSET", 2 }, 466e44c495dSHao Chen { "PKTNUM", 2 }, 467e44c495dSHao Chen { "RING_EN", 2 }, 468e44c495dSHao Chen { "TX_RING_EN", 2 }, 469e44c495dSHao Chen { "BASE_ADDR", 10 }, 470e44c495dSHao Chen }; 47157ceee2cSliuzhongzhu 472e44c495dSHao Chen static void hns3_dump_tx_queue_info(struct hns3_enet_ring *ring, 473e44c495dSHao Chen struct hnae3_ae_dev *ae_dev, char **result, 474e44c495dSHao Chen u32 index) 475e44c495dSHao Chen { 476e44c495dSHao Chen u32 base_add_l, base_add_h; 477e44c495dSHao Chen u32 j = 0; 47857ceee2cSliuzhongzhu 479e44c495dSHao Chen sprintf(result[j++], "%8u", index); 480e44c495dSHao Chen sprintf(result[j++], "%6u", readl_relaxed(ring->tqp->io_base + 481e44c495dSHao Chen HNS3_RING_TX_RING_BD_NUM_REG)); 48257ceee2cSliuzhongzhu 483e44c495dSHao Chen sprintf(result[j++], "%2u", readl_relaxed(ring->tqp->io_base + 484e44c495dSHao Chen HNS3_RING_TX_RING_TC_REG)); 48557ceee2cSliuzhongzhu 486e44c495dSHao Chen sprintf(result[j++], "%4u", readl_relaxed(ring->tqp->io_base + 487e44c495dSHao Chen HNS3_RING_TX_RING_TAIL_REG)); 48857ceee2cSliuzhongzhu 489e44c495dSHao Chen sprintf(result[j++], "%4u", readl_relaxed(ring->tqp->io_base + 490e44c495dSHao Chen HNS3_RING_TX_RING_HEAD_REG)); 491e44c495dSHao Chen 492e44c495dSHao Chen sprintf(result[j++], "%6u", readl_relaxed(ring->tqp->io_base + 493e44c495dSHao Chen HNS3_RING_TX_RING_FBDNUM_REG)); 494e44c495dSHao Chen 495e44c495dSHao Chen sprintf(result[j++], "%6u", readl_relaxed(ring->tqp->io_base + 496e44c495dSHao Chen HNS3_RING_TX_RING_OFFSET_REG)); 497e44c495dSHao Chen 498e44c495dSHao Chen sprintf(result[j++], "%6u", readl_relaxed(ring->tqp->io_base + 499e44c495dSHao Chen HNS3_RING_TX_RING_PKTNUM_RECORD_REG)); 500e44c495dSHao Chen 501e44c495dSHao Chen sprintf(result[j++], "%7s", readl_relaxed(ring->tqp->io_base + 502e44c495dSHao Chen HNS3_RING_EN_REG) ? "on" : "off"); 503e44c495dSHao Chen 504e44c495dSHao Chen if (hnae3_ae_dev_tqp_txrx_indep_supported(ae_dev)) 505e44c495dSHao Chen sprintf(result[j++], "%10s", readl_relaxed(ring->tqp->io_base + 506e44c495dSHao Chen HNS3_RING_TX_EN_REG) ? "on" : "off"); 507e44c495dSHao Chen else 508e44c495dSHao Chen sprintf(result[j++], "%10s", "NA"); 509e44c495dSHao Chen 51057ceee2cSliuzhongzhu base_add_h = readl_relaxed(ring->tqp->io_base + 51157ceee2cSliuzhongzhu HNS3_RING_TX_RING_BASEADDR_H_REG); 51257ceee2cSliuzhongzhu base_add_l = readl_relaxed(ring->tqp->io_base + 51357ceee2cSliuzhongzhu HNS3_RING_TX_RING_BASEADDR_L_REG); 514e44c495dSHao Chen sprintf(result[j++], "0x%08x%08x", base_add_h, base_add_l); 515dbaae5bbSGuangbin Huang } 516dbaae5bbSGuangbin Huang 517e44c495dSHao Chen static int hns3_dbg_tx_queue_info(struct hnae3_handle *h, 518e44c495dSHao Chen char *buf, int len) 519e44c495dSHao Chen { 520e44c495dSHao Chen char data_str[ARRAY_SIZE(tx_queue_info_items)][HNS3_DBG_DATA_STR_LEN]; 521e44c495dSHao Chen struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 522e44c495dSHao Chen char *result[ARRAY_SIZE(tx_queue_info_items)]; 523e44c495dSHao Chen struct hns3_nic_priv *priv = h->priv; 524e44c495dSHao Chen char content[HNS3_DBG_INFO_LEN]; 525e44c495dSHao Chen struct hns3_enet_ring *ring; 526e44c495dSHao Chen int pos = 0; 527e44c495dSHao Chen u32 i; 528e44c495dSHao Chen 529e44c495dSHao Chen if (!priv->ring) { 530e44c495dSHao Chen dev_err(&h->pdev->dev, "priv->ring is NULL\n"); 531e44c495dSHao Chen return -EFAULT; 532e44c495dSHao Chen } 533e44c495dSHao Chen 534e44c495dSHao Chen for (i = 0; i < ARRAY_SIZE(tx_queue_info_items); i++) 535e44c495dSHao Chen result[i] = &data_str[i][0]; 536e44c495dSHao Chen 537e44c495dSHao Chen hns3_dbg_fill_content(content, sizeof(content), tx_queue_info_items, 538e44c495dSHao Chen NULL, ARRAY_SIZE(tx_queue_info_items)); 539e44c495dSHao Chen pos += scnprintf(buf + pos, len - pos, "%s", content); 540e44c495dSHao Chen 541e44c495dSHao Chen for (i = 0; i < h->kinfo.num_tqps; i++) { 542e44c495dSHao Chen /* Each cycle needs to determine whether the instance is reset, 543e44c495dSHao Chen * to prevent reference to invalid memory. And need to ensure 544e44c495dSHao Chen * that the following code is executed within 100ms. 545e44c495dSHao Chen */ 546e44c495dSHao Chen if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 547e44c495dSHao Chen test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) 548e44c495dSHao Chen return -EPERM; 549e44c495dSHao Chen 550e44c495dSHao Chen ring = &priv->ring[i]; 551e44c495dSHao Chen hns3_dump_tx_queue_info(ring, ae_dev, result, i); 552e44c495dSHao Chen hns3_dbg_fill_content(content, sizeof(content), 553e44c495dSHao Chen tx_queue_info_items, 554e44c495dSHao Chen (const char **)result, 555e44c495dSHao Chen ARRAY_SIZE(tx_queue_info_items)); 556e44c495dSHao Chen pos += scnprintf(buf + pos, len - pos, "%s", content); 55757ceee2cSliuzhongzhu } 55857ceee2cSliuzhongzhu 55957ceee2cSliuzhongzhu return 0; 56057ceee2cSliuzhongzhu } 56157ceee2cSliuzhongzhu 562d2f737cfSHao Chen static const struct hns3_dbg_item queue_map_items[] = { 563d2f737cfSHao Chen { "local_queue_id", 2 }, 564d2f737cfSHao Chen { "global_queue_id", 2 }, 565d2f737cfSHao Chen { "vector_id", 2 }, 566d2f737cfSHao Chen }; 567d2f737cfSHao Chen 568d2f737cfSHao Chen static int hns3_dbg_queue_map(struct hnae3_handle *h, char *buf, int len) 5690c29d191Sliuzhongzhu { 570d2f737cfSHao Chen char data_str[ARRAY_SIZE(queue_map_items)][HNS3_DBG_DATA_STR_LEN]; 571d2f737cfSHao Chen char *result[ARRAY_SIZE(queue_map_items)]; 5720c29d191Sliuzhongzhu struct hns3_nic_priv *priv = h->priv; 573d2f737cfSHao Chen char content[HNS3_DBG_INFO_LEN]; 574d2f737cfSHao Chen int pos = 0; 575d2f737cfSHao Chen int j; 576d2f737cfSHao Chen u32 i; 5770c29d191Sliuzhongzhu 5780c29d191Sliuzhongzhu if (!h->ae_algo->ops->get_global_queue_id) 5790c29d191Sliuzhongzhu return -EOPNOTSUPP; 5800c29d191Sliuzhongzhu 581d2f737cfSHao Chen for (i = 0; i < ARRAY_SIZE(queue_map_items); i++) 582d2f737cfSHao Chen result[i] = &data_str[i][0]; 5830c29d191Sliuzhongzhu 584d2f737cfSHao Chen hns3_dbg_fill_content(content, sizeof(content), queue_map_items, 585d2f737cfSHao Chen NULL, ARRAY_SIZE(queue_map_items)); 586d2f737cfSHao Chen pos += scnprintf(buf + pos, len - pos, "%s", content); 587d2f737cfSHao Chen for (i = 0; i < h->kinfo.num_tqps; i++) { 5885f06b903SYunsheng Lin if (!priv->ring || !priv->ring[i].tqp_vector) 5890c29d191Sliuzhongzhu continue; 590d2f737cfSHao Chen j = 0; 591d2f737cfSHao Chen sprintf(result[j++], "%u", i); 592d2f737cfSHao Chen sprintf(result[j++], "%u", 593d2f737cfSHao Chen h->ae_algo->ops->get_global_queue_id(h, i)); 594d2f737cfSHao Chen sprintf(result[j++], "%u", 595d2f737cfSHao Chen priv->ring[i].tqp_vector->vector_irq); 596d2f737cfSHao Chen hns3_dbg_fill_content(content, sizeof(content), queue_map_items, 597d2f737cfSHao Chen (const char **)result, 598d2f737cfSHao Chen ARRAY_SIZE(queue_map_items)); 599d2f737cfSHao Chen pos += scnprintf(buf + pos, len - pos, "%s", content); 6000c29d191Sliuzhongzhu } 6010c29d191Sliuzhongzhu 6020c29d191Sliuzhongzhu return 0; 6030c29d191Sliuzhongzhu } 6040c29d191Sliuzhongzhu 60577e91848SHuazhong Tan static const struct hns3_dbg_item rx_bd_info_items[] = { 60677e91848SHuazhong Tan { "BD_IDX", 3 }, 60777e91848SHuazhong Tan { "L234_INFO", 2 }, 60877e91848SHuazhong Tan { "PKT_LEN", 3 }, 60977e91848SHuazhong Tan { "SIZE", 4 }, 61077e91848SHuazhong Tan { "RSS_HASH", 4 }, 61177e91848SHuazhong Tan { "FD_ID", 2 }, 61277e91848SHuazhong Tan { "VLAN_TAG", 2 }, 61377e91848SHuazhong Tan { "O_DM_VLAN_ID_FB", 2 }, 61477e91848SHuazhong Tan { "OT_VLAN_TAG", 2 }, 61577e91848SHuazhong Tan { "BD_BASE_INFO", 2 }, 61677e91848SHuazhong Tan { "PTYPE", 2 }, 61777e91848SHuazhong Tan { "HW_CSUM", 2 }, 61877e91848SHuazhong Tan }; 61977e91848SHuazhong Tan 62077e91848SHuazhong Tan static void hns3_dump_rx_bd_info(struct hns3_nic_priv *priv, 62177e91848SHuazhong Tan struct hns3_desc *desc, char **result, int idx) 622122bedc5Sliuzhongzhu { 62377e91848SHuazhong Tan unsigned int j = 0; 624122bedc5Sliuzhongzhu 62577e91848SHuazhong Tan sprintf(result[j++], "%5d", idx); 62677e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.l234_info)); 62777e91848SHuazhong Tan sprintf(result[j++], "%7u", le16_to_cpu(desc->rx.pkt_len)); 62877e91848SHuazhong Tan sprintf(result[j++], "%4u", le16_to_cpu(desc->rx.size)); 62977e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.rss_hash)); 63077e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->rx.fd_id)); 63177e91848SHuazhong Tan sprintf(result[j++], "%8u", le16_to_cpu(desc->rx.vlan_tag)); 63277e91848SHuazhong Tan sprintf(result[j++], "%15u", le16_to_cpu(desc->rx.o_dm_vlan_id_fb)); 63377e91848SHuazhong Tan sprintf(result[j++], "%11u", le16_to_cpu(desc->rx.ot_vlan_tag)); 63477e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.bd_base_info)); 63577e91848SHuazhong Tan if (test_bit(HNS3_NIC_STATE_RXD_ADV_LAYOUT_ENABLE, &priv->state)) { 63677e91848SHuazhong Tan u32 ol_info = le32_to_cpu(desc->rx.ol_info); 637122bedc5Sliuzhongzhu 63877e91848SHuazhong Tan sprintf(result[j++], "%5lu", hnae3_get_field(ol_info, 63977e91848SHuazhong Tan HNS3_RXD_PTYPE_M, 64077e91848SHuazhong Tan HNS3_RXD_PTYPE_S)); 64177e91848SHuazhong Tan sprintf(result[j++], "%7u", le16_to_cpu(desc->csum)); 642b1533adaSHuazhong Tan } else { 64377e91848SHuazhong Tan sprintf(result[j++], "NA"); 64477e91848SHuazhong Tan sprintf(result[j++], "NA"); 64577e91848SHuazhong Tan } 646b1533adaSHuazhong Tan } 647b1533adaSHuazhong Tan 64877e91848SHuazhong Tan static int hns3_dbg_rx_bd_info(struct hns3_dbg_data *d, char *buf, int len) 64977e91848SHuazhong Tan { 65077e91848SHuazhong Tan char data_str[ARRAY_SIZE(rx_bd_info_items)][HNS3_DBG_DATA_STR_LEN]; 65177e91848SHuazhong Tan struct hns3_nic_priv *priv = d->handle->priv; 65277e91848SHuazhong Tan char *result[ARRAY_SIZE(rx_bd_info_items)]; 65377e91848SHuazhong Tan char content[HNS3_DBG_INFO_LEN]; 65477e91848SHuazhong Tan struct hns3_enet_ring *ring; 65577e91848SHuazhong Tan struct hns3_desc *desc; 65677e91848SHuazhong Tan unsigned int i; 65777e91848SHuazhong Tan int pos = 0; 658122bedc5Sliuzhongzhu 65977e91848SHuazhong Tan if (d->qid >= d->handle->kinfo.num_tqps) { 66077e91848SHuazhong Tan dev_err(&d->handle->pdev->dev, 66177e91848SHuazhong Tan "queue%u is not in use\n", d->qid); 66277e91848SHuazhong Tan return -EINVAL; 66377e91848SHuazhong Tan } 664122bedc5Sliuzhongzhu 66577e91848SHuazhong Tan for (i = 0; i < ARRAY_SIZE(rx_bd_info_items); i++) 66677e91848SHuazhong Tan result[i] = &data_str[i][0]; 667b1533adaSHuazhong Tan 66877e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, 66977e91848SHuazhong Tan "Queue %u rx bd info:\n", d->qid); 67077e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), rx_bd_info_items, 67177e91848SHuazhong Tan NULL, ARRAY_SIZE(rx_bd_info_items)); 67277e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 67377e91848SHuazhong Tan 67477e91848SHuazhong Tan ring = &priv->ring[d->qid + d->handle->kinfo.num_tqps]; 67577e91848SHuazhong Tan for (i = 0; i < ring->desc_num; i++) { 67677e91848SHuazhong Tan desc = &ring->desc[i]; 67777e91848SHuazhong Tan 67877e91848SHuazhong Tan hns3_dump_rx_bd_info(priv, desc, result, i); 67977e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), 68077e91848SHuazhong Tan rx_bd_info_items, (const char **)result, 68177e91848SHuazhong Tan ARRAY_SIZE(rx_bd_info_items)); 68277e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 68377e91848SHuazhong Tan } 68477e91848SHuazhong Tan 68577e91848SHuazhong Tan return 0; 68677e91848SHuazhong Tan } 68777e91848SHuazhong Tan 68877e91848SHuazhong Tan static const struct hns3_dbg_item tx_bd_info_items[] = { 68977e91848SHuazhong Tan { "BD_IDX", 5 }, 69077e91848SHuazhong Tan { "ADDRESS", 2 }, 69177e91848SHuazhong Tan { "VLAN_TAG", 2 }, 69277e91848SHuazhong Tan { "SIZE", 2 }, 69377e91848SHuazhong Tan { "T_CS_VLAN_TSO", 2 }, 69477e91848SHuazhong Tan { "OT_VLAN_TAG", 3 }, 69577e91848SHuazhong Tan { "TV", 2 }, 69677e91848SHuazhong Tan { "OLT_VLAN_LEN", 2}, 69777e91848SHuazhong Tan { "PAYLEN_OL4CS", 2}, 69877e91848SHuazhong Tan { "BD_FE_SC_VLD", 2}, 69977e91848SHuazhong Tan { "MSS_HW_CSUM", 0}, 70077e91848SHuazhong Tan }; 70177e91848SHuazhong Tan 70277e91848SHuazhong Tan static void hns3_dump_tx_bd_info(struct hns3_nic_priv *priv, 70377e91848SHuazhong Tan struct hns3_desc *desc, char **result, int idx) 70477e91848SHuazhong Tan { 70577e91848SHuazhong Tan unsigned int j = 0; 70677e91848SHuazhong Tan 70777e91848SHuazhong Tan sprintf(result[j++], "%6d", idx); 70877e91848SHuazhong Tan sprintf(result[j++], "%#llx", le64_to_cpu(desc->addr)); 70977e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.vlan_tag)); 71077e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.send_size)); 71177e91848SHuazhong Tan sprintf(result[j++], "%#x", 71277e91848SHuazhong Tan le32_to_cpu(desc->tx.type_cs_vlan_tso_len)); 71377e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.outer_vlan_tag)); 71477e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.tv)); 71577e91848SHuazhong Tan sprintf(result[j++], "%10u", 71677e91848SHuazhong Tan le32_to_cpu(desc->tx.ol_type_vlan_len_msec)); 71777e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->tx.paylen_ol4cs)); 71877e91848SHuazhong Tan sprintf(result[j++], "%#x", le16_to_cpu(desc->tx.bdtp_fe_sc_vld_ra_ri)); 71977e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.mss_hw_csum)); 72077e91848SHuazhong Tan } 72177e91848SHuazhong Tan 72277e91848SHuazhong Tan static int hns3_dbg_tx_bd_info(struct hns3_dbg_data *d, char *buf, int len) 72377e91848SHuazhong Tan { 72477e91848SHuazhong Tan char data_str[ARRAY_SIZE(tx_bd_info_items)][HNS3_DBG_DATA_STR_LEN]; 72577e91848SHuazhong Tan struct hns3_nic_priv *priv = d->handle->priv; 72677e91848SHuazhong Tan char *result[ARRAY_SIZE(tx_bd_info_items)]; 72777e91848SHuazhong Tan char content[HNS3_DBG_INFO_LEN]; 72877e91848SHuazhong Tan struct hns3_enet_ring *ring; 72977e91848SHuazhong Tan struct hns3_desc *desc; 73077e91848SHuazhong Tan unsigned int i; 73177e91848SHuazhong Tan int pos = 0; 73277e91848SHuazhong Tan 73377e91848SHuazhong Tan if (d->qid >= d->handle->kinfo.num_tqps) { 73477e91848SHuazhong Tan dev_err(&d->handle->pdev->dev, 73577e91848SHuazhong Tan "queue%u is not in use\n", d->qid); 73677e91848SHuazhong Tan return -EINVAL; 73777e91848SHuazhong Tan } 73877e91848SHuazhong Tan 73977e91848SHuazhong Tan for (i = 0; i < ARRAY_SIZE(tx_bd_info_items); i++) 74077e91848SHuazhong Tan result[i] = &data_str[i][0]; 74177e91848SHuazhong Tan 74277e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, 74377e91848SHuazhong Tan "Queue %u tx bd info:\n", d->qid); 74477e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), tx_bd_info_items, 74577e91848SHuazhong Tan NULL, ARRAY_SIZE(tx_bd_info_items)); 74677e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 74777e91848SHuazhong Tan 74877e91848SHuazhong Tan ring = &priv->ring[d->qid]; 74977e91848SHuazhong Tan for (i = 0; i < ring->desc_num; i++) { 75077e91848SHuazhong Tan desc = &ring->desc[i]; 75177e91848SHuazhong Tan 75277e91848SHuazhong Tan hns3_dump_tx_bd_info(priv, desc, result, i); 75377e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), 75477e91848SHuazhong Tan tx_bd_info_items, (const char **)result, 75577e91848SHuazhong Tan ARRAY_SIZE(tx_bd_info_items)); 75677e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 75777e91848SHuazhong Tan } 758122bedc5Sliuzhongzhu 759122bedc5Sliuzhongzhu return 0; 760122bedc5Sliuzhongzhu } 761122bedc5Sliuzhongzhu 762b2292360Sliuzhongzhu static void hns3_dbg_help(struct hnae3_handle *h) 763b2292360Sliuzhongzhu { 764b2292360Sliuzhongzhu dev_info(&h->pdev->dev, "available commands\n"); 76597afd47bSYufeng Mo 76697afd47bSYufeng Mo if (!hns3_is_phys_func(h->pdev)) 76797afd47bSYufeng Mo return; 76897afd47bSYufeng Mo 769a6345787SWeihang Li dev_info(&h->pdev->dev, "dump mac tnl status\n"); 77089ec9485SYonglong Liu dev_info(&h->pdev->dev, "dump qs shaper [qs id]\n"); 771b2292360Sliuzhongzhu } 772b2292360Sliuzhongzhu 773c929bc2aSJiaran Zhang static void 774c929bc2aSJiaran Zhang hns3_dbg_dev_caps(struct hnae3_handle *h, char *buf, int len, int *pos) 7759484e337SGuangbin Huang { 7769484e337SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 777c929bc2aSJiaran Zhang static const char * const str[] = {"no", "yes"}; 778c929bc2aSJiaran Zhang unsigned long *caps = ae_dev->caps; 779c929bc2aSJiaran Zhang u32 i, state; 7809484e337SGuangbin Huang 781c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "dev capability:\n"); 7829484e337SGuangbin Huang 783c929bc2aSJiaran Zhang for (i = 0; i < ARRAY_SIZE(hns3_dbg_cap); i++) { 784c929bc2aSJiaran Zhang state = test_bit(hns3_dbg_cap[i].cap_bit, caps); 785c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "%s: %s\n", 786c929bc2aSJiaran Zhang hns3_dbg_cap[i].name, str[state]); 7879484e337SGuangbin Huang } 7889484e337SGuangbin Huang 789c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "\n"); 790c929bc2aSJiaran Zhang } 791c929bc2aSJiaran Zhang 792c929bc2aSJiaran Zhang static void 793c929bc2aSJiaran Zhang hns3_dbg_dev_specs(struct hnae3_handle *h, char *buf, int len, int *pos) 794b4442ec5SGuangbin Huang { 795b4442ec5SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 796b4442ec5SGuangbin Huang struct hnae3_dev_specs *dev_specs = &ae_dev->dev_specs; 797b4442ec5SGuangbin Huang struct hnae3_knic_private_info *kinfo = &h->kinfo; 798b4442ec5SGuangbin Huang 799c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "dev_spec:\n"); 800c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAC entry num: %u\n", 801c929bc2aSJiaran Zhang dev_specs->mac_entry_num); 802c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MNG entry num: %u\n", 803c929bc2aSJiaran Zhang dev_specs->mng_entry_num); 804c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX non tso bd num: %u\n", 805b4442ec5SGuangbin Huang dev_specs->max_non_tso_bd_num); 806c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RSS ind tbl size: %u\n", 807b4442ec5SGuangbin Huang dev_specs->rss_ind_tbl_size); 808c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RSS key size: %u\n", 809c929bc2aSJiaran Zhang dev_specs->rss_key_size); 810c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RSS size: %u\n", 811c929bc2aSJiaran Zhang kinfo->rss_size); 812c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "Allocated RSS size: %u\n", 813c929bc2aSJiaran Zhang kinfo->req_rss_size); 814c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, 815c929bc2aSJiaran Zhang "Task queue pairs numbers: %u\n", 816c929bc2aSJiaran Zhang kinfo->num_tqps); 817c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RX buffer length: %u\n", 818c929bc2aSJiaran Zhang kinfo->rx_buf_len); 819c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "Desc num per TX queue: %u\n", 820c929bc2aSJiaran Zhang kinfo->num_tx_desc); 821c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "Desc num per RX queue: %u\n", 822c929bc2aSJiaran Zhang kinfo->num_rx_desc); 823c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, 824c929bc2aSJiaran Zhang "Total number of enabled TCs: %u\n", 82535244430SJian Shen kinfo->tc_info.num_tc); 826c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX INT QL: %u\n", 827c929bc2aSJiaran Zhang dev_specs->int_ql_max); 828c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX INT GL: %u\n", 829c929bc2aSJiaran Zhang dev_specs->max_int_gl); 830c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX TM RATE: %u\n", 831c929bc2aSJiaran Zhang dev_specs->max_tm_rate); 832c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX QSET number: %u\n", 833c929bc2aSJiaran Zhang dev_specs->max_qset_num); 834c929bc2aSJiaran Zhang } 835c929bc2aSJiaran Zhang 836c929bc2aSJiaran Zhang static int hns3_dbg_dev_info(struct hnae3_handle *h, char *buf, int len) 837c929bc2aSJiaran Zhang { 838c929bc2aSJiaran Zhang int pos = 0; 839c929bc2aSJiaran Zhang 840c929bc2aSJiaran Zhang hns3_dbg_dev_caps(h, buf, len, &pos); 841c929bc2aSJiaran Zhang 842c929bc2aSJiaran Zhang hns3_dbg_dev_specs(h, buf, len, &pos); 843c929bc2aSJiaran Zhang 844c929bc2aSJiaran Zhang return 0; 845b4442ec5SGuangbin Huang } 846b4442ec5SGuangbin Huang 847b2292360Sliuzhongzhu static ssize_t hns3_dbg_cmd_read(struct file *filp, char __user *buffer, 848b2292360Sliuzhongzhu size_t count, loff_t *ppos) 849b2292360Sliuzhongzhu { 850b2292360Sliuzhongzhu int uncopy_bytes; 851b2292360Sliuzhongzhu char *buf; 852b2292360Sliuzhongzhu int len; 853b2292360Sliuzhongzhu 854b2292360Sliuzhongzhu if (*ppos != 0) 855b2292360Sliuzhongzhu return 0; 856b2292360Sliuzhongzhu 857b2292360Sliuzhongzhu if (count < HNS3_DBG_READ_LEN) 858b2292360Sliuzhongzhu return -ENOSPC; 859b2292360Sliuzhongzhu 860b2292360Sliuzhongzhu buf = kzalloc(HNS3_DBG_READ_LEN, GFP_KERNEL); 861b2292360Sliuzhongzhu if (!buf) 862b2292360Sliuzhongzhu return -ENOMEM; 863b2292360Sliuzhongzhu 86449e211c0SChen Zhou len = scnprintf(buf, HNS3_DBG_READ_LEN, "%s\n", 865b2292360Sliuzhongzhu "Please echo help to cmd to get help information"); 866b2292360Sliuzhongzhu uncopy_bytes = copy_to_user(buffer, buf, len); 867b2292360Sliuzhongzhu 868b2292360Sliuzhongzhu kfree(buf); 869b2292360Sliuzhongzhu 870b2292360Sliuzhongzhu if (uncopy_bytes) 871b2292360Sliuzhongzhu return -EFAULT; 872b2292360Sliuzhongzhu 873b2292360Sliuzhongzhu return (*ppos = len); 874b2292360Sliuzhongzhu } 875b2292360Sliuzhongzhu 876c318af3fSPeng Li static int hns3_dbg_check_cmd(struct hnae3_handle *handle, char *cmd_buf) 877c318af3fSPeng Li { 878c318af3fSPeng Li int ret = 0; 879c318af3fSPeng Li 880c318af3fSPeng Li if (strncmp(cmd_buf, "help", 4) == 0) 881c318af3fSPeng Li hns3_dbg_help(handle); 882c318af3fSPeng Li else if (handle->ae_algo->ops->dbg_run_cmd) 883c318af3fSPeng Li ret = handle->ae_algo->ops->dbg_run_cmd(handle, cmd_buf); 884c318af3fSPeng Li else 885c318af3fSPeng Li ret = -EOPNOTSUPP; 886c318af3fSPeng Li 887c318af3fSPeng Li return ret; 888c318af3fSPeng Li } 889c318af3fSPeng Li 890b2292360Sliuzhongzhu static ssize_t hns3_dbg_cmd_write(struct file *filp, const char __user *buffer, 891b2292360Sliuzhongzhu size_t count, loff_t *ppos) 892b2292360Sliuzhongzhu { 893b2292360Sliuzhongzhu struct hnae3_handle *handle = filp->private_data; 89457ceee2cSliuzhongzhu struct hns3_nic_priv *priv = handle->priv; 895b2292360Sliuzhongzhu char *cmd_buf, *cmd_buf_tmp; 896b2292360Sliuzhongzhu int uncopied_bytes; 897c318af3fSPeng Li int ret; 898b2292360Sliuzhongzhu 899b2292360Sliuzhongzhu if (*ppos != 0) 900b2292360Sliuzhongzhu return 0; 901b2292360Sliuzhongzhu 90257ceee2cSliuzhongzhu /* Judge if the instance is being reset. */ 9037737f1fbSliuzhongzhu if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 90457ceee2cSliuzhongzhu test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) 90557ceee2cSliuzhongzhu return 0; 90657ceee2cSliuzhongzhu 9077ac243f9SYufeng Mo if (count > HNS3_DBG_WRITE_LEN) 9087ac243f9SYufeng Mo return -ENOSPC; 9097ac243f9SYufeng Mo 910b2292360Sliuzhongzhu cmd_buf = kzalloc(count + 1, GFP_KERNEL); 911b2292360Sliuzhongzhu if (!cmd_buf) 912b2292360Sliuzhongzhu return count; 913b2292360Sliuzhongzhu 914b2292360Sliuzhongzhu uncopied_bytes = copy_from_user(cmd_buf, buffer, count); 915b2292360Sliuzhongzhu if (uncopied_bytes) { 916b2292360Sliuzhongzhu kfree(cmd_buf); 917b2292360Sliuzhongzhu return -EFAULT; 918b2292360Sliuzhongzhu } 919b2292360Sliuzhongzhu 920b2292360Sliuzhongzhu cmd_buf[count] = '\0'; 921b2292360Sliuzhongzhu 922b2292360Sliuzhongzhu cmd_buf_tmp = strchr(cmd_buf, '\n'); 923b2292360Sliuzhongzhu if (cmd_buf_tmp) { 924b2292360Sliuzhongzhu *cmd_buf_tmp = '\0'; 925b2292360Sliuzhongzhu count = cmd_buf_tmp - cmd_buf + 1; 926b2292360Sliuzhongzhu } 927b2292360Sliuzhongzhu 928c318af3fSPeng Li ret = hns3_dbg_check_cmd(handle, cmd_buf); 929b2292360Sliuzhongzhu if (ret) 930b2292360Sliuzhongzhu hns3_dbg_help(handle); 931b2292360Sliuzhongzhu 932b2292360Sliuzhongzhu kfree(cmd_buf); 933b2292360Sliuzhongzhu cmd_buf = NULL; 934b2292360Sliuzhongzhu 935b2292360Sliuzhongzhu return count; 936b2292360Sliuzhongzhu } 937b2292360Sliuzhongzhu 9385e69ea7eSYufeng Mo static int hns3_dbg_get_cmd_index(struct hnae3_handle *handle, 9395e69ea7eSYufeng Mo const unsigned char *name, u32 *index) 9405e69ea7eSYufeng Mo { 9415e69ea7eSYufeng Mo u32 i; 9425e69ea7eSYufeng Mo 9435e69ea7eSYufeng Mo for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) { 9445e69ea7eSYufeng Mo if (!strncmp(name, hns3_dbg_cmd[i].name, 9455e69ea7eSYufeng Mo strlen(hns3_dbg_cmd[i].name))) { 9465e69ea7eSYufeng Mo *index = i; 9475e69ea7eSYufeng Mo return 0; 9485e69ea7eSYufeng Mo } 9495e69ea7eSYufeng Mo } 9505e69ea7eSYufeng Mo 9515e69ea7eSYufeng Mo dev_err(&handle->pdev->dev, "unknown command(%s)\n", name); 9525e69ea7eSYufeng Mo return -EINVAL; 9535e69ea7eSYufeng Mo } 9545e69ea7eSYufeng Mo 955c929bc2aSJiaran Zhang static const struct hns3_dbg_func hns3_dbg_cmd_func[] = { 956c929bc2aSJiaran Zhang { 957d2f737cfSHao Chen .cmd = HNAE3_DBG_CMD_QUEUE_MAP, 958d2f737cfSHao Chen .dbg_dump = hns3_dbg_queue_map, 959d2f737cfSHao Chen }, 960d2f737cfSHao Chen { 961c929bc2aSJiaran Zhang .cmd = HNAE3_DBG_CMD_DEV_INFO, 962c929bc2aSJiaran Zhang .dbg_dump = hns3_dbg_dev_info, 963c929bc2aSJiaran Zhang }, 96477e91848SHuazhong Tan { 96577e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_TX_BD, 96677e91848SHuazhong Tan .dbg_dump_bd = hns3_dbg_tx_bd_info, 96777e91848SHuazhong Tan }, 96877e91848SHuazhong Tan { 96977e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_RX_BD, 97077e91848SHuazhong Tan .dbg_dump_bd = hns3_dbg_rx_bd_info, 97177e91848SHuazhong Tan }, 972e44c495dSHao Chen { 973e44c495dSHao Chen .cmd = HNAE3_DBG_CMD_RX_QUEUE_INFO, 974e44c495dSHao Chen .dbg_dump = hns3_dbg_rx_queue_info, 975e44c495dSHao Chen }, 976e44c495dSHao Chen { 977e44c495dSHao Chen .cmd = HNAE3_DBG_CMD_TX_QUEUE_INFO, 978e44c495dSHao Chen .dbg_dump = hns3_dbg_tx_queue_info, 979e44c495dSHao Chen }, 980c929bc2aSJiaran Zhang }; 981c929bc2aSJiaran Zhang 98277e91848SHuazhong Tan static int hns3_dbg_read_cmd(struct hns3_dbg_data *dbg_data, 9835e69ea7eSYufeng Mo enum hnae3_dbg_cmd cmd, char *buf, int len) 9845e69ea7eSYufeng Mo { 98577e91848SHuazhong Tan const struct hnae3_ae_ops *ops = dbg_data->handle->ae_algo->ops; 98677e91848SHuazhong Tan const struct hns3_dbg_func *cmd_func; 987c929bc2aSJiaran Zhang u32 i; 988c929bc2aSJiaran Zhang 989c929bc2aSJiaran Zhang for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd_func); i++) { 99077e91848SHuazhong Tan if (cmd == hns3_dbg_cmd_func[i].cmd) { 99177e91848SHuazhong Tan cmd_func = &hns3_dbg_cmd_func[i]; 99277e91848SHuazhong Tan if (cmd_func->dbg_dump) 99377e91848SHuazhong Tan return cmd_func->dbg_dump(dbg_data->handle, buf, 99477e91848SHuazhong Tan len); 99577e91848SHuazhong Tan else 99677e91848SHuazhong Tan return cmd_func->dbg_dump_bd(dbg_data, buf, 99777e91848SHuazhong Tan len); 99877e91848SHuazhong Tan } 999c929bc2aSJiaran Zhang } 10005e69ea7eSYufeng Mo 10015e69ea7eSYufeng Mo if (!ops->dbg_read_cmd) 10025e69ea7eSYufeng Mo return -EOPNOTSUPP; 10035e69ea7eSYufeng Mo 100477e91848SHuazhong Tan return ops->dbg_read_cmd(dbg_data->handle, cmd, buf, len); 10055e69ea7eSYufeng Mo } 10065e69ea7eSYufeng Mo 100704987ca1SGuangbin Huang static ssize_t hns3_dbg_read(struct file *filp, char __user *buffer, 100804987ca1SGuangbin Huang size_t count, loff_t *ppos) 100904987ca1SGuangbin Huang { 101077e91848SHuazhong Tan struct hns3_dbg_data *dbg_data = filp->private_data; 101177e91848SHuazhong Tan struct hnae3_handle *handle = dbg_data->handle; 101204987ca1SGuangbin Huang struct hns3_nic_priv *priv = handle->priv; 101304987ca1SGuangbin Huang ssize_t size = 0; 10145e69ea7eSYufeng Mo char **save_buf; 10155e69ea7eSYufeng Mo char *read_buf; 10165e69ea7eSYufeng Mo u32 index; 10175e69ea7eSYufeng Mo int ret; 101804987ca1SGuangbin Huang 10195e69ea7eSYufeng Mo ret = hns3_dbg_get_cmd_index(handle, filp->f_path.dentry->d_iname, 10205e69ea7eSYufeng Mo &index); 10215e69ea7eSYufeng Mo if (ret) 10225e69ea7eSYufeng Mo return ret; 10235e69ea7eSYufeng Mo 10245e69ea7eSYufeng Mo save_buf = &hns3_dbg_cmd[index].buf; 10255e69ea7eSYufeng Mo 10265e69ea7eSYufeng Mo if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 10275e69ea7eSYufeng Mo test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) { 10285e69ea7eSYufeng Mo ret = -EBUSY; 10295e69ea7eSYufeng Mo goto out; 10305e69ea7eSYufeng Mo } 10315e69ea7eSYufeng Mo 10325e69ea7eSYufeng Mo if (*save_buf) { 10335e69ea7eSYufeng Mo read_buf = *save_buf; 10345e69ea7eSYufeng Mo } else { 10355e69ea7eSYufeng Mo read_buf = kvzalloc(hns3_dbg_cmd[index].buf_len, GFP_KERNEL); 103604987ca1SGuangbin Huang if (!read_buf) 103704987ca1SGuangbin Huang return -ENOMEM; 103804987ca1SGuangbin Huang 10395e69ea7eSYufeng Mo /* save the buffer addr until the last read operation */ 10405e69ea7eSYufeng Mo *save_buf = read_buf; 10415e69ea7eSYufeng Mo } 104204987ca1SGuangbin Huang 10435e69ea7eSYufeng Mo /* get data ready for the first time to read */ 10445e69ea7eSYufeng Mo if (!*ppos) { 104577e91848SHuazhong Tan ret = hns3_dbg_read_cmd(dbg_data, hns3_dbg_cmd[index].cmd, 10465e69ea7eSYufeng Mo read_buf, hns3_dbg_cmd[index].buf_len); 10475e69ea7eSYufeng Mo if (ret) 104804987ca1SGuangbin Huang goto out; 104904987ca1SGuangbin Huang } 105004987ca1SGuangbin Huang 105104987ca1SGuangbin Huang size = simple_read_from_buffer(buffer, count, ppos, read_buf, 105204987ca1SGuangbin Huang strlen(read_buf)); 10535e69ea7eSYufeng Mo if (size > 0) 10545e69ea7eSYufeng Mo return size; 105504987ca1SGuangbin Huang 105604987ca1SGuangbin Huang out: 10575e69ea7eSYufeng Mo /* free the buffer for the last read operation */ 10585e69ea7eSYufeng Mo if (*save_buf) { 10595e69ea7eSYufeng Mo kvfree(*save_buf); 10605e69ea7eSYufeng Mo *save_buf = NULL; 10615e69ea7eSYufeng Mo } 10625e69ea7eSYufeng Mo 10635e69ea7eSYufeng Mo return ret; 106404987ca1SGuangbin Huang } 106504987ca1SGuangbin Huang 1066b2292360Sliuzhongzhu static const struct file_operations hns3_dbg_cmd_fops = { 1067b2292360Sliuzhongzhu .owner = THIS_MODULE, 1068b2292360Sliuzhongzhu .open = simple_open, 1069b2292360Sliuzhongzhu .read = hns3_dbg_cmd_read, 1070b2292360Sliuzhongzhu .write = hns3_dbg_cmd_write, 1071b2292360Sliuzhongzhu }; 1072b2292360Sliuzhongzhu 107304987ca1SGuangbin Huang static const struct file_operations hns3_dbg_fops = { 107404987ca1SGuangbin Huang .owner = THIS_MODULE, 107504987ca1SGuangbin Huang .open = simple_open, 107604987ca1SGuangbin Huang .read = hns3_dbg_read, 107704987ca1SGuangbin Huang }; 107804987ca1SGuangbin Huang 107977e91848SHuazhong Tan static int hns3_dbg_bd_file_init(struct hnae3_handle *handle, u32 cmd) 108077e91848SHuazhong Tan { 108177e91848SHuazhong Tan struct dentry *entry_dir; 108277e91848SHuazhong Tan struct hns3_dbg_data *data; 108377e91848SHuazhong Tan u16 max_queue_num; 108477e91848SHuazhong Tan unsigned int i; 108577e91848SHuazhong Tan 108677e91848SHuazhong Tan entry_dir = hns3_dbg_dentry[hns3_dbg_cmd[cmd].dentry].dentry; 108777e91848SHuazhong Tan max_queue_num = hns3_get_max_available_channels(handle); 108877e91848SHuazhong Tan data = devm_kzalloc(&handle->pdev->dev, max_queue_num * sizeof(*data), 108977e91848SHuazhong Tan GFP_KERNEL); 109077e91848SHuazhong Tan if (!data) 109177e91848SHuazhong Tan return -ENOMEM; 109277e91848SHuazhong Tan 109377e91848SHuazhong Tan for (i = 0; i < max_queue_num; i++) { 109477e91848SHuazhong Tan char name[HNS3_DBG_FILE_NAME_LEN]; 109577e91848SHuazhong Tan 109677e91848SHuazhong Tan data[i].handle = handle; 109777e91848SHuazhong Tan data[i].qid = i; 109877e91848SHuazhong Tan sprintf(name, "%s%u", hns3_dbg_cmd[cmd].name, i); 109977e91848SHuazhong Tan debugfs_create_file(name, 0400, entry_dir, &data[i], 110077e91848SHuazhong Tan &hns3_dbg_fops); 110177e91848SHuazhong Tan } 110277e91848SHuazhong Tan 110377e91848SHuazhong Tan return 0; 110477e91848SHuazhong Tan } 110577e91848SHuazhong Tan 11065e69ea7eSYufeng Mo static int 11075e69ea7eSYufeng Mo hns3_dbg_common_file_init(struct hnae3_handle *handle, u32 cmd) 11085e69ea7eSYufeng Mo { 110977e91848SHuazhong Tan struct hns3_dbg_data *data; 11105e69ea7eSYufeng Mo struct dentry *entry_dir; 11115e69ea7eSYufeng Mo 111277e91848SHuazhong Tan data = devm_kzalloc(&handle->pdev->dev, sizeof(*data), GFP_KERNEL); 111377e91848SHuazhong Tan if (!data) 111477e91848SHuazhong Tan return -ENOMEM; 111577e91848SHuazhong Tan 111677e91848SHuazhong Tan data->handle = handle; 11175e69ea7eSYufeng Mo entry_dir = hns3_dbg_dentry[hns3_dbg_cmd[cmd].dentry].dentry; 11185e69ea7eSYufeng Mo debugfs_create_file(hns3_dbg_cmd[cmd].name, 0400, entry_dir, 111977e91848SHuazhong Tan data, &hns3_dbg_fops); 11205e69ea7eSYufeng Mo 11215e69ea7eSYufeng Mo return 0; 11225e69ea7eSYufeng Mo } 11235e69ea7eSYufeng Mo 11245e69ea7eSYufeng Mo int hns3_dbg_init(struct hnae3_handle *handle) 1125b2292360Sliuzhongzhu { 112604987ca1SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 1127b2292360Sliuzhongzhu const char *name = pci_name(handle->pdev); 11285e69ea7eSYufeng Mo int ret; 11295e69ea7eSYufeng Mo u32 i; 1130b2292360Sliuzhongzhu 11315e69ea7eSYufeng Mo hns3_dbg_dentry[HNS3_DBG_DENTRY_COMMON].dentry = 11325e69ea7eSYufeng Mo debugfs_create_dir(name, hns3_dbgfs_root); 11335e69ea7eSYufeng Mo handle->hnae3_dbgfs = hns3_dbg_dentry[HNS3_DBG_DENTRY_COMMON].dentry; 1134b2292360Sliuzhongzhu 113511ab11e6SGreg Kroah-Hartman debugfs_create_file("cmd", 0600, handle->hnae3_dbgfs, handle, 1136b2292360Sliuzhongzhu &hns3_dbg_cmd_fops); 113704987ca1SGuangbin Huang 11385e69ea7eSYufeng Mo for (i = 0; i < HNS3_DBG_DENTRY_COMMON; i++) 11395e69ea7eSYufeng Mo hns3_dbg_dentry[i].dentry = 11405e69ea7eSYufeng Mo debugfs_create_dir(hns3_dbg_dentry[i].name, 11415e69ea7eSYufeng Mo handle->hnae3_dbgfs); 11425e69ea7eSYufeng Mo 11435e69ea7eSYufeng Mo for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) { 11445e69ea7eSYufeng Mo if (hns3_dbg_cmd[i].cmd == HNAE3_DBG_CMD_TM_NODES && 11455e69ea7eSYufeng Mo ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2) 11465e69ea7eSYufeng Mo continue; 11475e69ea7eSYufeng Mo 11485e69ea7eSYufeng Mo if (!hns3_dbg_cmd[i].init) { 11495e69ea7eSYufeng Mo dev_err(&handle->pdev->dev, 11505e69ea7eSYufeng Mo "cmd %s lack of init func\n", 11515e69ea7eSYufeng Mo hns3_dbg_cmd[i].name); 11525e69ea7eSYufeng Mo ret = -EINVAL; 11535e69ea7eSYufeng Mo goto out; 11545e69ea7eSYufeng Mo } 11555e69ea7eSYufeng Mo 11565e69ea7eSYufeng Mo ret = hns3_dbg_cmd[i].init(handle, i); 11575e69ea7eSYufeng Mo if (ret) { 11585e69ea7eSYufeng Mo dev_err(&handle->pdev->dev, "failed to init cmd %s\n", 11595e69ea7eSYufeng Mo hns3_dbg_cmd[i].name); 11605e69ea7eSYufeng Mo goto out; 11615e69ea7eSYufeng Mo } 11625e69ea7eSYufeng Mo } 11635e69ea7eSYufeng Mo 11645e69ea7eSYufeng Mo return 0; 11655e69ea7eSYufeng Mo 11665e69ea7eSYufeng Mo out: 11675e69ea7eSYufeng Mo debugfs_remove_recursive(handle->hnae3_dbgfs); 11685e69ea7eSYufeng Mo handle->hnae3_dbgfs = NULL; 11695e69ea7eSYufeng Mo return ret; 1170b2292360Sliuzhongzhu } 1171b2292360Sliuzhongzhu 1172b2292360Sliuzhongzhu void hns3_dbg_uninit(struct hnae3_handle *handle) 1173b2292360Sliuzhongzhu { 11745e69ea7eSYufeng Mo u32 i; 11755e69ea7eSYufeng Mo 11765e69ea7eSYufeng Mo for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) 11775e69ea7eSYufeng Mo if (hns3_dbg_cmd[i].buf) { 11785e69ea7eSYufeng Mo kvfree(hns3_dbg_cmd[i].buf); 11795e69ea7eSYufeng Mo hns3_dbg_cmd[i].buf = NULL; 11805e69ea7eSYufeng Mo } 11815e69ea7eSYufeng Mo 1182b2292360Sliuzhongzhu debugfs_remove_recursive(handle->hnae3_dbgfs); 1183b2292360Sliuzhongzhu handle->hnae3_dbgfs = NULL; 1184b2292360Sliuzhongzhu } 1185b2292360Sliuzhongzhu 1186b2292360Sliuzhongzhu void hns3_dbg_register_debugfs(const char *debugfs_dir_name) 1187b2292360Sliuzhongzhu { 1188b2292360Sliuzhongzhu hns3_dbgfs_root = debugfs_create_dir(debugfs_dir_name, NULL); 1189b2292360Sliuzhongzhu } 1190b2292360Sliuzhongzhu 1191b2292360Sliuzhongzhu void hns3_dbg_unregister_debugfs(void) 1192b2292360Sliuzhongzhu { 1193b2292360Sliuzhongzhu debugfs_remove_recursive(hns3_dbgfs_root); 1194b2292360Sliuzhongzhu hns3_dbgfs_root = NULL; 1195b2292360Sliuzhongzhu } 1196