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 }, 26*d96b0e59SYufeng Mo { 27*d96b0e59SYufeng Mo .name = "reg" 28*d96b0e59SYufeng Mo }, 295e69ea7eSYufeng Mo /* keep common at the bottom and add new directory above */ 305e69ea7eSYufeng Mo { 315e69ea7eSYufeng Mo .name = "common" 325e69ea7eSYufeng Mo }, 335e69ea7eSYufeng Mo }; 345e69ea7eSYufeng Mo 3577e91848SHuazhong Tan static int hns3_dbg_bd_file_init(struct hnae3_handle *handle, unsigned int cmd); 365e69ea7eSYufeng Mo static int hns3_dbg_common_file_init(struct hnae3_handle *handle, 375e69ea7eSYufeng Mo unsigned int cmd); 385e69ea7eSYufeng Mo 395e69ea7eSYufeng Mo static struct hns3_dbg_cmd_info hns3_dbg_cmd[] = { 405e69ea7eSYufeng Mo { 415e69ea7eSYufeng Mo .name = "tm_nodes", 425e69ea7eSYufeng Mo .cmd = HNAE3_DBG_CMD_TM_NODES, 435e69ea7eSYufeng Mo .dentry = HNS3_DBG_DENTRY_TM, 445e69ea7eSYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 455e69ea7eSYufeng Mo .init = hns3_dbg_common_file_init, 465e69ea7eSYufeng Mo }, 475e69ea7eSYufeng Mo { 485e69ea7eSYufeng Mo .name = "tm_priority", 495e69ea7eSYufeng Mo .cmd = HNAE3_DBG_CMD_TM_PRI, 505e69ea7eSYufeng Mo .dentry = HNS3_DBG_DENTRY_TM, 515e69ea7eSYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 525e69ea7eSYufeng Mo .init = hns3_dbg_common_file_init, 535e69ea7eSYufeng Mo }, 545e69ea7eSYufeng Mo { 555e69ea7eSYufeng Mo .name = "tm_qset", 565e69ea7eSYufeng Mo .cmd = HNAE3_DBG_CMD_TM_QSET, 575e69ea7eSYufeng Mo .dentry = HNS3_DBG_DENTRY_TM, 585e69ea7eSYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 595e69ea7eSYufeng Mo .init = hns3_dbg_common_file_init, 605e69ea7eSYufeng Mo }, 61c929bc2aSJiaran Zhang { 62c929bc2aSJiaran Zhang .name = "dev_info", 63c929bc2aSJiaran Zhang .cmd = HNAE3_DBG_CMD_DEV_INFO, 64c929bc2aSJiaran Zhang .dentry = HNS3_DBG_DENTRY_COMMON, 65c929bc2aSJiaran Zhang .buf_len = HNS3_DBG_READ_LEN, 66c929bc2aSJiaran Zhang .init = hns3_dbg_common_file_init, 67c929bc2aSJiaran Zhang }, 6877e91848SHuazhong Tan { 6977e91848SHuazhong Tan .name = "tx_bd_queue", 7077e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_TX_BD, 7177e91848SHuazhong Tan .dentry = HNS3_DBG_DENTRY_TX_BD, 7277e91848SHuazhong Tan .buf_len = HNS3_DBG_READ_LEN_4MB, 7377e91848SHuazhong Tan .init = hns3_dbg_bd_file_init, 7477e91848SHuazhong Tan }, 7577e91848SHuazhong Tan { 7677e91848SHuazhong Tan .name = "rx_bd_queue", 7777e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_RX_BD, 7877e91848SHuazhong Tan .dentry = HNS3_DBG_DENTRY_RX_BD, 7977e91848SHuazhong Tan .buf_len = HNS3_DBG_READ_LEN_4MB, 8077e91848SHuazhong Tan .init = hns3_dbg_bd_file_init, 8177e91848SHuazhong Tan }, 821556ea91SHuazhong Tan { 831556ea91SHuazhong Tan .name = "uc", 841556ea91SHuazhong Tan .cmd = HNAE3_DBG_CMD_MAC_UC, 851556ea91SHuazhong Tan .dentry = HNS3_DBG_DENTRY_MAC, 861556ea91SHuazhong Tan .buf_len = HNS3_DBG_READ_LEN, 871556ea91SHuazhong Tan .init = hns3_dbg_common_file_init, 881556ea91SHuazhong Tan }, 891556ea91SHuazhong Tan { 901556ea91SHuazhong Tan .name = "mc", 911556ea91SHuazhong Tan .cmd = HNAE3_DBG_CMD_MAC_MC, 921556ea91SHuazhong Tan .dentry = HNS3_DBG_DENTRY_MAC, 931556ea91SHuazhong Tan .buf_len = HNS3_DBG_READ_LEN, 941556ea91SHuazhong Tan .init = hns3_dbg_common_file_init, 951556ea91SHuazhong Tan }, 968ddfd9c4SYufeng Mo { 978ddfd9c4SYufeng Mo .name = "mng_tbl", 988ddfd9c4SYufeng Mo .cmd = HNAE3_DBG_CMD_MNG_TBL, 998ddfd9c4SYufeng Mo .dentry = HNS3_DBG_DENTRY_COMMON, 1008ddfd9c4SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 1018ddfd9c4SYufeng Mo .init = hns3_dbg_common_file_init, 1028ddfd9c4SYufeng Mo }, 103d658ff34SYufeng Mo { 104d658ff34SYufeng Mo .name = "loopback", 105d658ff34SYufeng Mo .cmd = HNAE3_DBG_CMD_LOOPBACK, 106d658ff34SYufeng Mo .dentry = HNS3_DBG_DENTRY_COMMON, 107d658ff34SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 108d658ff34SYufeng Mo .init = hns3_dbg_common_file_init, 109d658ff34SYufeng Mo }, 1109149ca0fSJiaran Zhang { 1119149ca0fSJiaran Zhang .name = "interrupt_info", 1129149ca0fSJiaran Zhang .cmd = HNAE3_DBG_CMD_INTERRUPT_INFO, 1139149ca0fSJiaran Zhang .dentry = HNS3_DBG_DENTRY_COMMON, 1149149ca0fSJiaran Zhang .buf_len = HNS3_DBG_READ_LEN, 1159149ca0fSJiaran Zhang .init = hns3_dbg_common_file_init, 1169149ca0fSJiaran Zhang }, 1171a7ff828SJiaran Zhang { 1181a7ff828SJiaran Zhang .name = "reset_info", 1191a7ff828SJiaran Zhang .cmd = HNAE3_DBG_CMD_RESET_INFO, 1201a7ff828SJiaran Zhang .dentry = HNS3_DBG_DENTRY_COMMON, 1211a7ff828SJiaran Zhang .buf_len = HNS3_DBG_READ_LEN, 1221a7ff828SJiaran Zhang .init = hns3_dbg_common_file_init, 1231a7ff828SJiaran Zhang }, 1240b198b0dSJiaran Zhang { 1250b198b0dSJiaran Zhang .name = "imp_info", 1260b198b0dSJiaran Zhang .cmd = HNAE3_DBG_CMD_IMP_INFO, 1270b198b0dSJiaran Zhang .dentry = HNS3_DBG_DENTRY_COMMON, 1280b198b0dSJiaran Zhang .buf_len = HNS3_DBG_READ_LEN, 1290b198b0dSJiaran Zhang .init = hns3_dbg_common_file_init, 1300b198b0dSJiaran Zhang }, 131e76e6886SJiaran Zhang { 132e76e6886SJiaran Zhang .name = "ncl_config", 133e76e6886SJiaran Zhang .cmd = HNAE3_DBG_CMD_NCL_CONFIG, 134e76e6886SJiaran Zhang .dentry = HNS3_DBG_DENTRY_COMMON, 135e76e6886SJiaran Zhang .buf_len = HNS3_DBG_READ_LEN_128KB, 136e76e6886SJiaran Zhang .init = hns3_dbg_common_file_init, 137e76e6886SJiaran Zhang }, 138*d96b0e59SYufeng Mo { 139*d96b0e59SYufeng Mo .name = "bios_common", 140*d96b0e59SYufeng Mo .cmd = HNAE3_DBG_CMD_REG_BIOS_COMMON, 141*d96b0e59SYufeng Mo .dentry = HNS3_DBG_DENTRY_REG, 142*d96b0e59SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 143*d96b0e59SYufeng Mo .init = hns3_dbg_common_file_init, 144*d96b0e59SYufeng Mo }, 145*d96b0e59SYufeng Mo { 146*d96b0e59SYufeng Mo .name = "ssu", 147*d96b0e59SYufeng Mo .cmd = HNAE3_DBG_CMD_REG_SSU, 148*d96b0e59SYufeng Mo .dentry = HNS3_DBG_DENTRY_REG, 149*d96b0e59SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 150*d96b0e59SYufeng Mo .init = hns3_dbg_common_file_init, 151*d96b0e59SYufeng Mo }, 152*d96b0e59SYufeng Mo { 153*d96b0e59SYufeng Mo .name = "igu_egu", 154*d96b0e59SYufeng Mo .cmd = HNAE3_DBG_CMD_REG_IGU_EGU, 155*d96b0e59SYufeng Mo .dentry = HNS3_DBG_DENTRY_REG, 156*d96b0e59SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 157*d96b0e59SYufeng Mo .init = hns3_dbg_common_file_init, 158*d96b0e59SYufeng Mo }, 159*d96b0e59SYufeng Mo { 160*d96b0e59SYufeng Mo .name = "rpu", 161*d96b0e59SYufeng Mo .cmd = HNAE3_DBG_CMD_REG_RPU, 162*d96b0e59SYufeng Mo .dentry = HNS3_DBG_DENTRY_REG, 163*d96b0e59SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 164*d96b0e59SYufeng Mo .init = hns3_dbg_common_file_init, 165*d96b0e59SYufeng Mo }, 166*d96b0e59SYufeng Mo { 167*d96b0e59SYufeng Mo .name = "ncsi", 168*d96b0e59SYufeng Mo .cmd = HNAE3_DBG_CMD_REG_NCSI, 169*d96b0e59SYufeng Mo .dentry = HNS3_DBG_DENTRY_REG, 170*d96b0e59SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 171*d96b0e59SYufeng Mo .init = hns3_dbg_common_file_init, 172*d96b0e59SYufeng Mo }, 173*d96b0e59SYufeng Mo { 174*d96b0e59SYufeng Mo .name = "rtc", 175*d96b0e59SYufeng Mo .cmd = HNAE3_DBG_CMD_REG_RTC, 176*d96b0e59SYufeng Mo .dentry = HNS3_DBG_DENTRY_REG, 177*d96b0e59SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 178*d96b0e59SYufeng Mo .init = hns3_dbg_common_file_init, 179*d96b0e59SYufeng Mo }, 180*d96b0e59SYufeng Mo { 181*d96b0e59SYufeng Mo .name = "ppp", 182*d96b0e59SYufeng Mo .cmd = HNAE3_DBG_CMD_REG_PPP, 183*d96b0e59SYufeng Mo .dentry = HNS3_DBG_DENTRY_REG, 184*d96b0e59SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 185*d96b0e59SYufeng Mo .init = hns3_dbg_common_file_init, 186*d96b0e59SYufeng Mo }, 187*d96b0e59SYufeng Mo { 188*d96b0e59SYufeng Mo .name = "rcb", 189*d96b0e59SYufeng Mo .cmd = HNAE3_DBG_CMD_REG_RCB, 190*d96b0e59SYufeng Mo .dentry = HNS3_DBG_DENTRY_REG, 191*d96b0e59SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 192*d96b0e59SYufeng Mo .init = hns3_dbg_common_file_init, 193*d96b0e59SYufeng Mo }, 194*d96b0e59SYufeng Mo { 195*d96b0e59SYufeng Mo .name = "tqp", 196*d96b0e59SYufeng Mo .cmd = HNAE3_DBG_CMD_REG_TQP, 197*d96b0e59SYufeng Mo .dentry = HNS3_DBG_DENTRY_REG, 198*d96b0e59SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 199*d96b0e59SYufeng Mo .init = hns3_dbg_common_file_init, 200*d96b0e59SYufeng Mo }, 201*d96b0e59SYufeng Mo { 202*d96b0e59SYufeng Mo .name = "mac", 203*d96b0e59SYufeng Mo .cmd = HNAE3_DBG_CMD_REG_MAC, 204*d96b0e59SYufeng Mo .dentry = HNS3_DBG_DENTRY_REG, 205*d96b0e59SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 206*d96b0e59SYufeng Mo .init = hns3_dbg_common_file_init, 207*d96b0e59SYufeng Mo }, 208c929bc2aSJiaran Zhang }; 209c929bc2aSJiaran Zhang 210c929bc2aSJiaran Zhang static struct hns3_dbg_cap_info hns3_dbg_cap[] = { 211c929bc2aSJiaran Zhang { 212c929bc2aSJiaran Zhang .name = "support FD", 213c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_FD_B, 214c929bc2aSJiaran Zhang }, { 215c929bc2aSJiaran Zhang .name = "support GRO", 216c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_GRO_B, 217c929bc2aSJiaran Zhang }, { 218c929bc2aSJiaran Zhang .name = "support FEC", 219c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_FEC_B, 220c929bc2aSJiaran Zhang }, { 221c929bc2aSJiaran Zhang .name = "support UDP GSO", 222c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_UDP_GSO_B, 223c929bc2aSJiaran Zhang }, { 224c929bc2aSJiaran Zhang .name = "support PTP", 225c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_PTP_B, 226c929bc2aSJiaran Zhang }, { 227c929bc2aSJiaran Zhang .name = "support INT QL", 228c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_INT_QL_B, 229c929bc2aSJiaran Zhang }, { 230c929bc2aSJiaran Zhang .name = "support HW TX csum", 231c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_HW_TX_CSUM_B, 232c929bc2aSJiaran Zhang }, { 233c929bc2aSJiaran Zhang .name = "support UDP tunnel csum", 234c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_UDP_TUNNEL_CSUM_B, 235c929bc2aSJiaran Zhang }, { 236c929bc2aSJiaran Zhang .name = "support TX push", 237c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_TX_PUSH_B, 238c929bc2aSJiaran Zhang }, { 239c929bc2aSJiaran Zhang .name = "support imp-controlled PHY", 240c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_PHY_IMP_B, 241c929bc2aSJiaran Zhang }, { 242c929bc2aSJiaran Zhang .name = "support rxd advanced layout", 243c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_RXD_ADV_LAYOUT_B, 244c929bc2aSJiaran Zhang }, 2455e69ea7eSYufeng Mo }; 2465e69ea7eSYufeng Mo 24777e91848SHuazhong Tan static void hns3_dbg_fill_content(char *content, u16 len, 24877e91848SHuazhong Tan const struct hns3_dbg_item *items, 24977e91848SHuazhong Tan const char **result, u16 size) 25077e91848SHuazhong Tan { 25177e91848SHuazhong Tan char *pos = content; 25277e91848SHuazhong Tan u16 i; 25377e91848SHuazhong Tan 25477e91848SHuazhong Tan memset(content, ' ', len); 25577e91848SHuazhong Tan for (i = 0; i < size; i++) { 25677e91848SHuazhong Tan if (result) 25777e91848SHuazhong Tan strncpy(pos, result[i], strlen(result[i])); 25877e91848SHuazhong Tan else 25977e91848SHuazhong Tan strncpy(pos, items[i].name, strlen(items[i].name)); 26077e91848SHuazhong Tan 26177e91848SHuazhong Tan pos += strlen(items[i].name) + items[i].interval; 26277e91848SHuazhong Tan } 26377e91848SHuazhong Tan 26477e91848SHuazhong Tan *pos++ = '\n'; 26577e91848SHuazhong Tan *pos++ = '\0'; 26677e91848SHuazhong Tan } 26777e91848SHuazhong Tan 268ebaf1908SWeihang Li static int hns3_dbg_queue_info(struct hnae3_handle *h, 269ebaf1908SWeihang Li const char *cmd_buf) 27057ceee2cSliuzhongzhu { 271dbaae5bbSGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 27257ceee2cSliuzhongzhu struct hns3_nic_priv *priv = h->priv; 27357ceee2cSliuzhongzhu struct hns3_enet_ring *ring; 27457ceee2cSliuzhongzhu u32 base_add_l, base_add_h; 27557ceee2cSliuzhongzhu u32 queue_num, queue_max; 2769d8d5a36SYufeng Mo u32 value, i; 27757ceee2cSliuzhongzhu int cnt; 27857ceee2cSliuzhongzhu 2795f06b903SYunsheng Lin if (!priv->ring) { 2805f06b903SYunsheng Lin dev_err(&h->pdev->dev, "priv->ring is NULL\n"); 28157ceee2cSliuzhongzhu return -EFAULT; 28257ceee2cSliuzhongzhu } 28357ceee2cSliuzhongzhu 28457ceee2cSliuzhongzhu queue_max = h->kinfo.num_tqps; 28557ceee2cSliuzhongzhu cnt = kstrtouint(&cmd_buf[11], 0, &queue_num); 28657ceee2cSliuzhongzhu if (cnt) 28757ceee2cSliuzhongzhu queue_num = 0; 28857ceee2cSliuzhongzhu else 28957ceee2cSliuzhongzhu queue_max = queue_num + 1; 29057ceee2cSliuzhongzhu 29157ceee2cSliuzhongzhu dev_info(&h->pdev->dev, "queue info\n"); 29257ceee2cSliuzhongzhu 29357ceee2cSliuzhongzhu if (queue_num >= h->kinfo.num_tqps) { 29457ceee2cSliuzhongzhu dev_err(&h->pdev->dev, 295ed5b255bSYufeng Mo "Queue number(%u) is out of range(0-%u)\n", queue_num, 29657ceee2cSliuzhongzhu h->kinfo.num_tqps - 1); 29757ceee2cSliuzhongzhu return -EINVAL; 29857ceee2cSliuzhongzhu } 29957ceee2cSliuzhongzhu 30057ceee2cSliuzhongzhu for (i = queue_num; i < queue_max; i++) { 30157ceee2cSliuzhongzhu /* Each cycle needs to determine whether the instance is reset, 30257ceee2cSliuzhongzhu * to prevent reference to invalid memory. And need to ensure 30357ceee2cSliuzhongzhu * that the following code is executed within 100ms. 30457ceee2cSliuzhongzhu */ 3057737f1fbSliuzhongzhu if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 30657ceee2cSliuzhongzhu test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) 30757ceee2cSliuzhongzhu return -EPERM; 30857ceee2cSliuzhongzhu 3095f06b903SYunsheng Lin ring = &priv->ring[(u32)(i + h->kinfo.num_tqps)]; 31057ceee2cSliuzhongzhu base_add_h = readl_relaxed(ring->tqp->io_base + 31157ceee2cSliuzhongzhu HNS3_RING_RX_RING_BASEADDR_H_REG); 31257ceee2cSliuzhongzhu base_add_l = readl_relaxed(ring->tqp->io_base + 31357ceee2cSliuzhongzhu HNS3_RING_RX_RING_BASEADDR_L_REG); 314adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) BASE ADD: 0x%08x%08x\n", i, 31557ceee2cSliuzhongzhu base_add_h, base_add_l); 31657ceee2cSliuzhongzhu 31757ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 31857ceee2cSliuzhongzhu HNS3_RING_RX_RING_BD_NUM_REG); 319adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING BD NUM: %u\n", i, value); 32057ceee2cSliuzhongzhu 32157ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 32257ceee2cSliuzhongzhu HNS3_RING_RX_RING_BD_LEN_REG); 323adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING BD LEN: %u\n", i, value); 32457ceee2cSliuzhongzhu 32557ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 32657ceee2cSliuzhongzhu HNS3_RING_RX_RING_TAIL_REG); 327adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING TAIL: %u\n", i, value); 32857ceee2cSliuzhongzhu 32957ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 33057ceee2cSliuzhongzhu HNS3_RING_RX_RING_HEAD_REG); 331adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING HEAD: %u\n", i, value); 33257ceee2cSliuzhongzhu 33357ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 33457ceee2cSliuzhongzhu HNS3_RING_RX_RING_FBDNUM_REG); 335adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING FBDNUM: %u\n", i, value); 33657ceee2cSliuzhongzhu 33757ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 33857ceee2cSliuzhongzhu HNS3_RING_RX_RING_PKTNUM_RECORD_REG); 339adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING PKTNUM: %u\n", i, value); 34057ceee2cSliuzhongzhu 3415f06b903SYunsheng Lin ring = &priv->ring[i]; 34257ceee2cSliuzhongzhu base_add_h = readl_relaxed(ring->tqp->io_base + 34357ceee2cSliuzhongzhu HNS3_RING_TX_RING_BASEADDR_H_REG); 34457ceee2cSliuzhongzhu base_add_l = readl_relaxed(ring->tqp->io_base + 34557ceee2cSliuzhongzhu HNS3_RING_TX_RING_BASEADDR_L_REG); 346adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) BASE ADD: 0x%08x%08x\n", i, 34757ceee2cSliuzhongzhu base_add_h, base_add_l); 34857ceee2cSliuzhongzhu 34957ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 35057ceee2cSliuzhongzhu HNS3_RING_TX_RING_BD_NUM_REG); 351adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING BD NUM: %u\n", i, value); 35257ceee2cSliuzhongzhu 35357ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 35457ceee2cSliuzhongzhu HNS3_RING_TX_RING_TC_REG); 355adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING TC: %u\n", i, value); 35657ceee2cSliuzhongzhu 35757ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 35857ceee2cSliuzhongzhu HNS3_RING_TX_RING_TAIL_REG); 359adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING TAIL: %u\n", i, value); 36057ceee2cSliuzhongzhu 36157ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 36257ceee2cSliuzhongzhu HNS3_RING_TX_RING_HEAD_REG); 363adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING HEAD: %u\n", i, value); 36457ceee2cSliuzhongzhu 36557ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 36657ceee2cSliuzhongzhu HNS3_RING_TX_RING_FBDNUM_REG); 367adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING FBDNUM: %u\n", i, value); 36857ceee2cSliuzhongzhu 36957ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 37057ceee2cSliuzhongzhu HNS3_RING_TX_RING_OFFSET_REG); 371adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING OFFSET: %u\n", i, value); 37257ceee2cSliuzhongzhu 37357ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 37457ceee2cSliuzhongzhu HNS3_RING_TX_RING_PKTNUM_RECORD_REG); 375dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "TX(%u) RING PKTNUM: %u\n", i, value); 376dbaae5bbSGuangbin Huang 377dbaae5bbSGuangbin Huang value = readl_relaxed(ring->tqp->io_base + HNS3_RING_EN_REG); 378dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "TX/RX(%u) RING EN: %s\n", i, 379dbaae5bbSGuangbin Huang value ? "enable" : "disable"); 380dbaae5bbSGuangbin Huang 381dbaae5bbSGuangbin Huang if (hnae3_ae_dev_tqp_txrx_indep_supported(ae_dev)) { 382dbaae5bbSGuangbin Huang value = readl_relaxed(ring->tqp->io_base + 383dbaae5bbSGuangbin Huang HNS3_RING_TX_EN_REG); 384dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "TX(%u) RING EN: %s\n", i, 385dbaae5bbSGuangbin Huang value ? "enable" : "disable"); 386dbaae5bbSGuangbin Huang 387dbaae5bbSGuangbin Huang value = readl_relaxed(ring->tqp->io_base + 388dbaae5bbSGuangbin Huang HNS3_RING_RX_EN_REG); 389dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "RX(%u) RING EN: %s\n", i, 390dbaae5bbSGuangbin Huang value ? "enable" : "disable"); 391dbaae5bbSGuangbin Huang } 392dbaae5bbSGuangbin Huang 393dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "\n"); 39457ceee2cSliuzhongzhu } 39557ceee2cSliuzhongzhu 39657ceee2cSliuzhongzhu return 0; 39757ceee2cSliuzhongzhu } 39857ceee2cSliuzhongzhu 3990c29d191Sliuzhongzhu static int hns3_dbg_queue_map(struct hnae3_handle *h) 4000c29d191Sliuzhongzhu { 4010c29d191Sliuzhongzhu struct hns3_nic_priv *priv = h->priv; 4020c29d191Sliuzhongzhu int i; 4030c29d191Sliuzhongzhu 4040c29d191Sliuzhongzhu if (!h->ae_algo->ops->get_global_queue_id) 4050c29d191Sliuzhongzhu return -EOPNOTSUPP; 4060c29d191Sliuzhongzhu 4070c29d191Sliuzhongzhu dev_info(&h->pdev->dev, "map info for queue id and vector id\n"); 4080c29d191Sliuzhongzhu dev_info(&h->pdev->dev, 4090c29d191Sliuzhongzhu "local queue id | global queue id | vector id\n"); 4100c29d191Sliuzhongzhu for (i = 0; i < h->kinfo.num_tqps; i++) { 4110c29d191Sliuzhongzhu u16 global_qid; 4120c29d191Sliuzhongzhu 4130c29d191Sliuzhongzhu global_qid = h->ae_algo->ops->get_global_queue_id(h, i); 4145f06b903SYunsheng Lin if (!priv->ring || !priv->ring[i].tqp_vector) 4150c29d191Sliuzhongzhu continue; 4160c29d191Sliuzhongzhu 4170c29d191Sliuzhongzhu dev_info(&h->pdev->dev, 418c5aaf176SJiaran Zhang " %4d %4u %4d\n", 4195f06b903SYunsheng Lin i, global_qid, priv->ring[i].tqp_vector->vector_irq); 4200c29d191Sliuzhongzhu } 4210c29d191Sliuzhongzhu 4220c29d191Sliuzhongzhu return 0; 4230c29d191Sliuzhongzhu } 4240c29d191Sliuzhongzhu 42577e91848SHuazhong Tan static const struct hns3_dbg_item rx_bd_info_items[] = { 42677e91848SHuazhong Tan { "BD_IDX", 3 }, 42777e91848SHuazhong Tan { "L234_INFO", 2 }, 42877e91848SHuazhong Tan { "PKT_LEN", 3 }, 42977e91848SHuazhong Tan { "SIZE", 4 }, 43077e91848SHuazhong Tan { "RSS_HASH", 4 }, 43177e91848SHuazhong Tan { "FD_ID", 2 }, 43277e91848SHuazhong Tan { "VLAN_TAG", 2 }, 43377e91848SHuazhong Tan { "O_DM_VLAN_ID_FB", 2 }, 43477e91848SHuazhong Tan { "OT_VLAN_TAG", 2 }, 43577e91848SHuazhong Tan { "BD_BASE_INFO", 2 }, 43677e91848SHuazhong Tan { "PTYPE", 2 }, 43777e91848SHuazhong Tan { "HW_CSUM", 2 }, 43877e91848SHuazhong Tan }; 43977e91848SHuazhong Tan 44077e91848SHuazhong Tan static void hns3_dump_rx_bd_info(struct hns3_nic_priv *priv, 44177e91848SHuazhong Tan struct hns3_desc *desc, char **result, int idx) 442122bedc5Sliuzhongzhu { 44377e91848SHuazhong Tan unsigned int j = 0; 444122bedc5Sliuzhongzhu 44577e91848SHuazhong Tan sprintf(result[j++], "%5d", idx); 44677e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.l234_info)); 44777e91848SHuazhong Tan sprintf(result[j++], "%7u", le16_to_cpu(desc->rx.pkt_len)); 44877e91848SHuazhong Tan sprintf(result[j++], "%4u", le16_to_cpu(desc->rx.size)); 44977e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.rss_hash)); 45077e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->rx.fd_id)); 45177e91848SHuazhong Tan sprintf(result[j++], "%8u", le16_to_cpu(desc->rx.vlan_tag)); 45277e91848SHuazhong Tan sprintf(result[j++], "%15u", le16_to_cpu(desc->rx.o_dm_vlan_id_fb)); 45377e91848SHuazhong Tan sprintf(result[j++], "%11u", le16_to_cpu(desc->rx.ot_vlan_tag)); 45477e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.bd_base_info)); 45577e91848SHuazhong Tan if (test_bit(HNS3_NIC_STATE_RXD_ADV_LAYOUT_ENABLE, &priv->state)) { 45677e91848SHuazhong Tan u32 ol_info = le32_to_cpu(desc->rx.ol_info); 457122bedc5Sliuzhongzhu 45877e91848SHuazhong Tan sprintf(result[j++], "%5lu", hnae3_get_field(ol_info, 45977e91848SHuazhong Tan HNS3_RXD_PTYPE_M, 46077e91848SHuazhong Tan HNS3_RXD_PTYPE_S)); 46177e91848SHuazhong Tan sprintf(result[j++], "%7u", le16_to_cpu(desc->csum)); 462b1533adaSHuazhong Tan } else { 46377e91848SHuazhong Tan sprintf(result[j++], "NA"); 46477e91848SHuazhong Tan sprintf(result[j++], "NA"); 46577e91848SHuazhong Tan } 466b1533adaSHuazhong Tan } 467b1533adaSHuazhong Tan 46877e91848SHuazhong Tan static int hns3_dbg_rx_bd_info(struct hns3_dbg_data *d, char *buf, int len) 46977e91848SHuazhong Tan { 47077e91848SHuazhong Tan char data_str[ARRAY_SIZE(rx_bd_info_items)][HNS3_DBG_DATA_STR_LEN]; 47177e91848SHuazhong Tan struct hns3_nic_priv *priv = d->handle->priv; 47277e91848SHuazhong Tan char *result[ARRAY_SIZE(rx_bd_info_items)]; 47377e91848SHuazhong Tan char content[HNS3_DBG_INFO_LEN]; 47477e91848SHuazhong Tan struct hns3_enet_ring *ring; 47577e91848SHuazhong Tan struct hns3_desc *desc; 47677e91848SHuazhong Tan unsigned int i; 47777e91848SHuazhong Tan int pos = 0; 478122bedc5Sliuzhongzhu 47977e91848SHuazhong Tan if (d->qid >= d->handle->kinfo.num_tqps) { 48077e91848SHuazhong Tan dev_err(&d->handle->pdev->dev, 48177e91848SHuazhong Tan "queue%u is not in use\n", d->qid); 48277e91848SHuazhong Tan return -EINVAL; 48377e91848SHuazhong Tan } 484122bedc5Sliuzhongzhu 48577e91848SHuazhong Tan for (i = 0; i < ARRAY_SIZE(rx_bd_info_items); i++) 48677e91848SHuazhong Tan result[i] = &data_str[i][0]; 487b1533adaSHuazhong Tan 48877e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, 48977e91848SHuazhong Tan "Queue %u rx bd info:\n", d->qid); 49077e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), rx_bd_info_items, 49177e91848SHuazhong Tan NULL, ARRAY_SIZE(rx_bd_info_items)); 49277e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 49377e91848SHuazhong Tan 49477e91848SHuazhong Tan ring = &priv->ring[d->qid + d->handle->kinfo.num_tqps]; 49577e91848SHuazhong Tan for (i = 0; i < ring->desc_num; i++) { 49677e91848SHuazhong Tan desc = &ring->desc[i]; 49777e91848SHuazhong Tan 49877e91848SHuazhong Tan hns3_dump_rx_bd_info(priv, desc, result, i); 49977e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), 50077e91848SHuazhong Tan rx_bd_info_items, (const char **)result, 50177e91848SHuazhong Tan ARRAY_SIZE(rx_bd_info_items)); 50277e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 50377e91848SHuazhong Tan } 50477e91848SHuazhong Tan 50577e91848SHuazhong Tan return 0; 50677e91848SHuazhong Tan } 50777e91848SHuazhong Tan 50877e91848SHuazhong Tan static const struct hns3_dbg_item tx_bd_info_items[] = { 50977e91848SHuazhong Tan { "BD_IDX", 5 }, 51077e91848SHuazhong Tan { "ADDRESS", 2 }, 51177e91848SHuazhong Tan { "VLAN_TAG", 2 }, 51277e91848SHuazhong Tan { "SIZE", 2 }, 51377e91848SHuazhong Tan { "T_CS_VLAN_TSO", 2 }, 51477e91848SHuazhong Tan { "OT_VLAN_TAG", 3 }, 51577e91848SHuazhong Tan { "TV", 2 }, 51677e91848SHuazhong Tan { "OLT_VLAN_LEN", 2}, 51777e91848SHuazhong Tan { "PAYLEN_OL4CS", 2}, 51877e91848SHuazhong Tan { "BD_FE_SC_VLD", 2}, 51977e91848SHuazhong Tan { "MSS_HW_CSUM", 0}, 52077e91848SHuazhong Tan }; 52177e91848SHuazhong Tan 52277e91848SHuazhong Tan static void hns3_dump_tx_bd_info(struct hns3_nic_priv *priv, 52377e91848SHuazhong Tan struct hns3_desc *desc, char **result, int idx) 52477e91848SHuazhong Tan { 52577e91848SHuazhong Tan unsigned int j = 0; 52677e91848SHuazhong Tan 52777e91848SHuazhong Tan sprintf(result[j++], "%6d", idx); 52877e91848SHuazhong Tan sprintf(result[j++], "%#llx", le64_to_cpu(desc->addr)); 52977e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.vlan_tag)); 53077e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.send_size)); 53177e91848SHuazhong Tan sprintf(result[j++], "%#x", 53277e91848SHuazhong Tan le32_to_cpu(desc->tx.type_cs_vlan_tso_len)); 53377e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.outer_vlan_tag)); 53477e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.tv)); 53577e91848SHuazhong Tan sprintf(result[j++], "%10u", 53677e91848SHuazhong Tan le32_to_cpu(desc->tx.ol_type_vlan_len_msec)); 53777e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->tx.paylen_ol4cs)); 53877e91848SHuazhong Tan sprintf(result[j++], "%#x", le16_to_cpu(desc->tx.bdtp_fe_sc_vld_ra_ri)); 53977e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.mss_hw_csum)); 54077e91848SHuazhong Tan } 54177e91848SHuazhong Tan 54277e91848SHuazhong Tan static int hns3_dbg_tx_bd_info(struct hns3_dbg_data *d, char *buf, int len) 54377e91848SHuazhong Tan { 54477e91848SHuazhong Tan char data_str[ARRAY_SIZE(tx_bd_info_items)][HNS3_DBG_DATA_STR_LEN]; 54577e91848SHuazhong Tan struct hns3_nic_priv *priv = d->handle->priv; 54677e91848SHuazhong Tan char *result[ARRAY_SIZE(tx_bd_info_items)]; 54777e91848SHuazhong Tan char content[HNS3_DBG_INFO_LEN]; 54877e91848SHuazhong Tan struct hns3_enet_ring *ring; 54977e91848SHuazhong Tan struct hns3_desc *desc; 55077e91848SHuazhong Tan unsigned int i; 55177e91848SHuazhong Tan int pos = 0; 55277e91848SHuazhong Tan 55377e91848SHuazhong Tan if (d->qid >= d->handle->kinfo.num_tqps) { 55477e91848SHuazhong Tan dev_err(&d->handle->pdev->dev, 55577e91848SHuazhong Tan "queue%u is not in use\n", d->qid); 55677e91848SHuazhong Tan return -EINVAL; 55777e91848SHuazhong Tan } 55877e91848SHuazhong Tan 55977e91848SHuazhong Tan for (i = 0; i < ARRAY_SIZE(tx_bd_info_items); i++) 56077e91848SHuazhong Tan result[i] = &data_str[i][0]; 56177e91848SHuazhong Tan 56277e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, 56377e91848SHuazhong Tan "Queue %u tx bd info:\n", d->qid); 56477e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), tx_bd_info_items, 56577e91848SHuazhong Tan NULL, ARRAY_SIZE(tx_bd_info_items)); 56677e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 56777e91848SHuazhong Tan 56877e91848SHuazhong Tan ring = &priv->ring[d->qid]; 56977e91848SHuazhong Tan for (i = 0; i < ring->desc_num; i++) { 57077e91848SHuazhong Tan desc = &ring->desc[i]; 57177e91848SHuazhong Tan 57277e91848SHuazhong Tan hns3_dump_tx_bd_info(priv, desc, result, i); 57377e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), 57477e91848SHuazhong Tan tx_bd_info_items, (const char **)result, 57577e91848SHuazhong Tan ARRAY_SIZE(tx_bd_info_items)); 57677e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 57777e91848SHuazhong Tan } 578122bedc5Sliuzhongzhu 579122bedc5Sliuzhongzhu return 0; 580122bedc5Sliuzhongzhu } 581122bedc5Sliuzhongzhu 582b2292360Sliuzhongzhu static void hns3_dbg_help(struct hnae3_handle *h) 583b2292360Sliuzhongzhu { 58427cf979aSliuzhongzhu #define HNS3_DBG_BUF_LEN 256 58527cf979aSliuzhongzhu 58627cf979aSliuzhongzhu char printf_buf[HNS3_DBG_BUF_LEN]; 58727cf979aSliuzhongzhu 588b2292360Sliuzhongzhu dev_info(&h->pdev->dev, "available commands\n"); 589ed5b255bSYufeng Mo dev_info(&h->pdev->dev, "queue info <number>\n"); 5900c29d191Sliuzhongzhu dev_info(&h->pdev->dev, "queue map\n"); 59197afd47bSYufeng Mo 59297afd47bSYufeng Mo if (!hns3_is_phys_func(h->pdev)) 59397afd47bSYufeng Mo return; 59497afd47bSYufeng Mo 595b2292360Sliuzhongzhu dev_info(&h->pdev->dev, "dump fd tcam\n"); 5962849d4e7Sliuzhongzhu dev_info(&h->pdev->dev, "dump tc\n"); 597ed5b255bSYufeng Mo dev_info(&h->pdev->dev, "dump tm map <q_num>\n"); 59896227f4cSliuzhongzhu dev_info(&h->pdev->dev, "dump tm\n"); 599d958919dSliuzhongzhu dev_info(&h->pdev->dev, "dump qos pause cfg\n"); 6006fc22440Sliuzhongzhu dev_info(&h->pdev->dev, "dump qos pri map\n"); 6017d9d7f88Sliuzhongzhu dev_info(&h->pdev->dev, "dump qos buf cfg\n"); 602a6345787SWeihang Li dev_info(&h->pdev->dev, "dump mac tnl status\n"); 60389ec9485SYonglong Liu dev_info(&h->pdev->dev, "dump qs shaper [qs id]\n"); 60427cf979aSliuzhongzhu 60527cf979aSliuzhongzhu memset(printf_buf, 0, HNS3_DBG_BUF_LEN); 606ed5b255bSYufeng Mo strncat(printf_buf, "dump reg dcb <port_id> <pri_id> <pg_id>", 607c0ebebb9Sliuzhongzhu HNS3_DBG_BUF_LEN - 1); 608ed5b255bSYufeng Mo strncat(printf_buf + strlen(printf_buf), " <rq_id> <nq_id> <qset_id>\n", 609c0ebebb9Sliuzhongzhu HNS3_DBG_BUF_LEN - strlen(printf_buf) - 1); 610c0ebebb9Sliuzhongzhu dev_info(&h->pdev->dev, "%s", printf_buf); 611b2292360Sliuzhongzhu } 612b2292360Sliuzhongzhu 613c929bc2aSJiaran Zhang static void 614c929bc2aSJiaran Zhang hns3_dbg_dev_caps(struct hnae3_handle *h, char *buf, int len, int *pos) 6159484e337SGuangbin Huang { 6169484e337SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 617c929bc2aSJiaran Zhang static const char * const str[] = {"no", "yes"}; 618c929bc2aSJiaran Zhang unsigned long *caps = ae_dev->caps; 619c929bc2aSJiaran Zhang u32 i, state; 6209484e337SGuangbin Huang 621c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "dev capability:\n"); 6229484e337SGuangbin Huang 623c929bc2aSJiaran Zhang for (i = 0; i < ARRAY_SIZE(hns3_dbg_cap); i++) { 624c929bc2aSJiaran Zhang state = test_bit(hns3_dbg_cap[i].cap_bit, caps); 625c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "%s: %s\n", 626c929bc2aSJiaran Zhang hns3_dbg_cap[i].name, str[state]); 6279484e337SGuangbin Huang } 6289484e337SGuangbin Huang 629c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "\n"); 630c929bc2aSJiaran Zhang } 631c929bc2aSJiaran Zhang 632c929bc2aSJiaran Zhang static void 633c929bc2aSJiaran Zhang hns3_dbg_dev_specs(struct hnae3_handle *h, char *buf, int len, int *pos) 634b4442ec5SGuangbin Huang { 635b4442ec5SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 636b4442ec5SGuangbin Huang struct hnae3_dev_specs *dev_specs = &ae_dev->dev_specs; 637b4442ec5SGuangbin Huang struct hnae3_knic_private_info *kinfo = &h->kinfo; 638b4442ec5SGuangbin Huang 639c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "dev_spec:\n"); 640c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAC entry num: %u\n", 641c929bc2aSJiaran Zhang dev_specs->mac_entry_num); 642c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MNG entry num: %u\n", 643c929bc2aSJiaran Zhang dev_specs->mng_entry_num); 644c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX non tso bd num: %u\n", 645b4442ec5SGuangbin Huang dev_specs->max_non_tso_bd_num); 646c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RSS ind tbl size: %u\n", 647b4442ec5SGuangbin Huang dev_specs->rss_ind_tbl_size); 648c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RSS key size: %u\n", 649c929bc2aSJiaran Zhang dev_specs->rss_key_size); 650c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RSS size: %u\n", 651c929bc2aSJiaran Zhang kinfo->rss_size); 652c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "Allocated RSS size: %u\n", 653c929bc2aSJiaran Zhang kinfo->req_rss_size); 654c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, 655c929bc2aSJiaran Zhang "Task queue pairs numbers: %u\n", 656c929bc2aSJiaran Zhang kinfo->num_tqps); 657c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RX buffer length: %u\n", 658c929bc2aSJiaran Zhang kinfo->rx_buf_len); 659c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "Desc num per TX queue: %u\n", 660c929bc2aSJiaran Zhang kinfo->num_tx_desc); 661c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "Desc num per RX queue: %u\n", 662c929bc2aSJiaran Zhang kinfo->num_rx_desc); 663c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, 664c929bc2aSJiaran Zhang "Total number of enabled TCs: %u\n", 66535244430SJian Shen kinfo->tc_info.num_tc); 666c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX INT QL: %u\n", 667c929bc2aSJiaran Zhang dev_specs->int_ql_max); 668c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX INT GL: %u\n", 669c929bc2aSJiaran Zhang dev_specs->max_int_gl); 670c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX TM RATE: %u\n", 671c929bc2aSJiaran Zhang dev_specs->max_tm_rate); 672c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX QSET number: %u\n", 673c929bc2aSJiaran Zhang dev_specs->max_qset_num); 674c929bc2aSJiaran Zhang } 675c929bc2aSJiaran Zhang 676c929bc2aSJiaran Zhang static int hns3_dbg_dev_info(struct hnae3_handle *h, char *buf, int len) 677c929bc2aSJiaran Zhang { 678c929bc2aSJiaran Zhang int pos = 0; 679c929bc2aSJiaran Zhang 680c929bc2aSJiaran Zhang hns3_dbg_dev_caps(h, buf, len, &pos); 681c929bc2aSJiaran Zhang 682c929bc2aSJiaran Zhang hns3_dbg_dev_specs(h, buf, len, &pos); 683c929bc2aSJiaran Zhang 684c929bc2aSJiaran Zhang return 0; 685b4442ec5SGuangbin Huang } 686b4442ec5SGuangbin Huang 687b2292360Sliuzhongzhu static ssize_t hns3_dbg_cmd_read(struct file *filp, char __user *buffer, 688b2292360Sliuzhongzhu size_t count, loff_t *ppos) 689b2292360Sliuzhongzhu { 690b2292360Sliuzhongzhu int uncopy_bytes; 691b2292360Sliuzhongzhu char *buf; 692b2292360Sliuzhongzhu int len; 693b2292360Sliuzhongzhu 694b2292360Sliuzhongzhu if (*ppos != 0) 695b2292360Sliuzhongzhu return 0; 696b2292360Sliuzhongzhu 697b2292360Sliuzhongzhu if (count < HNS3_DBG_READ_LEN) 698b2292360Sliuzhongzhu return -ENOSPC; 699b2292360Sliuzhongzhu 700b2292360Sliuzhongzhu buf = kzalloc(HNS3_DBG_READ_LEN, GFP_KERNEL); 701b2292360Sliuzhongzhu if (!buf) 702b2292360Sliuzhongzhu return -ENOMEM; 703b2292360Sliuzhongzhu 70449e211c0SChen Zhou len = scnprintf(buf, HNS3_DBG_READ_LEN, "%s\n", 705b2292360Sliuzhongzhu "Please echo help to cmd to get help information"); 706b2292360Sliuzhongzhu uncopy_bytes = copy_to_user(buffer, buf, len); 707b2292360Sliuzhongzhu 708b2292360Sliuzhongzhu kfree(buf); 709b2292360Sliuzhongzhu 710b2292360Sliuzhongzhu if (uncopy_bytes) 711b2292360Sliuzhongzhu return -EFAULT; 712b2292360Sliuzhongzhu 713b2292360Sliuzhongzhu return (*ppos = len); 714b2292360Sliuzhongzhu } 715b2292360Sliuzhongzhu 716c318af3fSPeng Li static int hns3_dbg_check_cmd(struct hnae3_handle *handle, char *cmd_buf) 717c318af3fSPeng Li { 718c318af3fSPeng Li int ret = 0; 719c318af3fSPeng Li 720c318af3fSPeng Li if (strncmp(cmd_buf, "help", 4) == 0) 721c318af3fSPeng Li hns3_dbg_help(handle); 722c318af3fSPeng Li else if (strncmp(cmd_buf, "queue info", 10) == 0) 723c318af3fSPeng Li ret = hns3_dbg_queue_info(handle, cmd_buf); 724c318af3fSPeng Li else if (strncmp(cmd_buf, "queue map", 9) == 0) 725c318af3fSPeng Li ret = hns3_dbg_queue_map(handle); 726c318af3fSPeng Li else if (handle->ae_algo->ops->dbg_run_cmd) 727c318af3fSPeng Li ret = handle->ae_algo->ops->dbg_run_cmd(handle, cmd_buf); 728c318af3fSPeng Li else 729c318af3fSPeng Li ret = -EOPNOTSUPP; 730c318af3fSPeng Li 731c318af3fSPeng Li return ret; 732c318af3fSPeng Li } 733c318af3fSPeng Li 734b2292360Sliuzhongzhu static ssize_t hns3_dbg_cmd_write(struct file *filp, const char __user *buffer, 735b2292360Sliuzhongzhu size_t count, loff_t *ppos) 736b2292360Sliuzhongzhu { 737b2292360Sliuzhongzhu struct hnae3_handle *handle = filp->private_data; 73857ceee2cSliuzhongzhu struct hns3_nic_priv *priv = handle->priv; 739b2292360Sliuzhongzhu char *cmd_buf, *cmd_buf_tmp; 740b2292360Sliuzhongzhu int uncopied_bytes; 741c318af3fSPeng Li int ret; 742b2292360Sliuzhongzhu 743b2292360Sliuzhongzhu if (*ppos != 0) 744b2292360Sliuzhongzhu return 0; 745b2292360Sliuzhongzhu 74657ceee2cSliuzhongzhu /* Judge if the instance is being reset. */ 7477737f1fbSliuzhongzhu if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 74857ceee2cSliuzhongzhu test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) 74957ceee2cSliuzhongzhu return 0; 75057ceee2cSliuzhongzhu 7517ac243f9SYufeng Mo if (count > HNS3_DBG_WRITE_LEN) 7527ac243f9SYufeng Mo return -ENOSPC; 7537ac243f9SYufeng Mo 754b2292360Sliuzhongzhu cmd_buf = kzalloc(count + 1, GFP_KERNEL); 755b2292360Sliuzhongzhu if (!cmd_buf) 756b2292360Sliuzhongzhu return count; 757b2292360Sliuzhongzhu 758b2292360Sliuzhongzhu uncopied_bytes = copy_from_user(cmd_buf, buffer, count); 759b2292360Sliuzhongzhu if (uncopied_bytes) { 760b2292360Sliuzhongzhu kfree(cmd_buf); 761b2292360Sliuzhongzhu return -EFAULT; 762b2292360Sliuzhongzhu } 763b2292360Sliuzhongzhu 764b2292360Sliuzhongzhu cmd_buf[count] = '\0'; 765b2292360Sliuzhongzhu 766b2292360Sliuzhongzhu cmd_buf_tmp = strchr(cmd_buf, '\n'); 767b2292360Sliuzhongzhu if (cmd_buf_tmp) { 768b2292360Sliuzhongzhu *cmd_buf_tmp = '\0'; 769b2292360Sliuzhongzhu count = cmd_buf_tmp - cmd_buf + 1; 770b2292360Sliuzhongzhu } 771b2292360Sliuzhongzhu 772c318af3fSPeng Li ret = hns3_dbg_check_cmd(handle, cmd_buf); 773b2292360Sliuzhongzhu if (ret) 774b2292360Sliuzhongzhu hns3_dbg_help(handle); 775b2292360Sliuzhongzhu 776b2292360Sliuzhongzhu kfree(cmd_buf); 777b2292360Sliuzhongzhu cmd_buf = NULL; 778b2292360Sliuzhongzhu 779b2292360Sliuzhongzhu return count; 780b2292360Sliuzhongzhu } 781b2292360Sliuzhongzhu 7825e69ea7eSYufeng Mo static int hns3_dbg_get_cmd_index(struct hnae3_handle *handle, 7835e69ea7eSYufeng Mo const unsigned char *name, u32 *index) 7845e69ea7eSYufeng Mo { 7855e69ea7eSYufeng Mo u32 i; 7865e69ea7eSYufeng Mo 7875e69ea7eSYufeng Mo for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) { 7885e69ea7eSYufeng Mo if (!strncmp(name, hns3_dbg_cmd[i].name, 7895e69ea7eSYufeng Mo strlen(hns3_dbg_cmd[i].name))) { 7905e69ea7eSYufeng Mo *index = i; 7915e69ea7eSYufeng Mo return 0; 7925e69ea7eSYufeng Mo } 7935e69ea7eSYufeng Mo } 7945e69ea7eSYufeng Mo 7955e69ea7eSYufeng Mo dev_err(&handle->pdev->dev, "unknown command(%s)\n", name); 7965e69ea7eSYufeng Mo return -EINVAL; 7975e69ea7eSYufeng Mo } 7985e69ea7eSYufeng Mo 799c929bc2aSJiaran Zhang static const struct hns3_dbg_func hns3_dbg_cmd_func[] = { 800c929bc2aSJiaran Zhang { 801c929bc2aSJiaran Zhang .cmd = HNAE3_DBG_CMD_DEV_INFO, 802c929bc2aSJiaran Zhang .dbg_dump = hns3_dbg_dev_info, 803c929bc2aSJiaran Zhang }, 80477e91848SHuazhong Tan { 80577e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_TX_BD, 80677e91848SHuazhong Tan .dbg_dump_bd = hns3_dbg_tx_bd_info, 80777e91848SHuazhong Tan }, 80877e91848SHuazhong Tan { 80977e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_RX_BD, 81077e91848SHuazhong Tan .dbg_dump_bd = hns3_dbg_rx_bd_info, 81177e91848SHuazhong Tan }, 812c929bc2aSJiaran Zhang }; 813c929bc2aSJiaran Zhang 81477e91848SHuazhong Tan static int hns3_dbg_read_cmd(struct hns3_dbg_data *dbg_data, 8155e69ea7eSYufeng Mo enum hnae3_dbg_cmd cmd, char *buf, int len) 8165e69ea7eSYufeng Mo { 81777e91848SHuazhong Tan const struct hnae3_ae_ops *ops = dbg_data->handle->ae_algo->ops; 81877e91848SHuazhong Tan const struct hns3_dbg_func *cmd_func; 819c929bc2aSJiaran Zhang u32 i; 820c929bc2aSJiaran Zhang 821c929bc2aSJiaran Zhang for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd_func); i++) { 82277e91848SHuazhong Tan if (cmd == hns3_dbg_cmd_func[i].cmd) { 82377e91848SHuazhong Tan cmd_func = &hns3_dbg_cmd_func[i]; 82477e91848SHuazhong Tan if (cmd_func->dbg_dump) 82577e91848SHuazhong Tan return cmd_func->dbg_dump(dbg_data->handle, buf, 82677e91848SHuazhong Tan len); 82777e91848SHuazhong Tan else 82877e91848SHuazhong Tan return cmd_func->dbg_dump_bd(dbg_data, buf, 82977e91848SHuazhong Tan len); 83077e91848SHuazhong Tan } 831c929bc2aSJiaran Zhang } 8325e69ea7eSYufeng Mo 8335e69ea7eSYufeng Mo if (!ops->dbg_read_cmd) 8345e69ea7eSYufeng Mo return -EOPNOTSUPP; 8355e69ea7eSYufeng Mo 83677e91848SHuazhong Tan return ops->dbg_read_cmd(dbg_data->handle, cmd, buf, len); 8375e69ea7eSYufeng Mo } 8385e69ea7eSYufeng Mo 83904987ca1SGuangbin Huang static ssize_t hns3_dbg_read(struct file *filp, char __user *buffer, 84004987ca1SGuangbin Huang size_t count, loff_t *ppos) 84104987ca1SGuangbin Huang { 84277e91848SHuazhong Tan struct hns3_dbg_data *dbg_data = filp->private_data; 84377e91848SHuazhong Tan struct hnae3_handle *handle = dbg_data->handle; 84404987ca1SGuangbin Huang struct hns3_nic_priv *priv = handle->priv; 84504987ca1SGuangbin Huang ssize_t size = 0; 8465e69ea7eSYufeng Mo char **save_buf; 8475e69ea7eSYufeng Mo char *read_buf; 8485e69ea7eSYufeng Mo u32 index; 8495e69ea7eSYufeng Mo int ret; 85004987ca1SGuangbin Huang 8515e69ea7eSYufeng Mo ret = hns3_dbg_get_cmd_index(handle, filp->f_path.dentry->d_iname, 8525e69ea7eSYufeng Mo &index); 8535e69ea7eSYufeng Mo if (ret) 8545e69ea7eSYufeng Mo return ret; 8555e69ea7eSYufeng Mo 8565e69ea7eSYufeng Mo save_buf = &hns3_dbg_cmd[index].buf; 8575e69ea7eSYufeng Mo 8585e69ea7eSYufeng Mo if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 8595e69ea7eSYufeng Mo test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) { 8605e69ea7eSYufeng Mo ret = -EBUSY; 8615e69ea7eSYufeng Mo goto out; 8625e69ea7eSYufeng Mo } 8635e69ea7eSYufeng Mo 8645e69ea7eSYufeng Mo if (*save_buf) { 8655e69ea7eSYufeng Mo read_buf = *save_buf; 8665e69ea7eSYufeng Mo } else { 8675e69ea7eSYufeng Mo read_buf = kvzalloc(hns3_dbg_cmd[index].buf_len, GFP_KERNEL); 86804987ca1SGuangbin Huang if (!read_buf) 86904987ca1SGuangbin Huang return -ENOMEM; 87004987ca1SGuangbin Huang 8715e69ea7eSYufeng Mo /* save the buffer addr until the last read operation */ 8725e69ea7eSYufeng Mo *save_buf = read_buf; 8735e69ea7eSYufeng Mo } 87404987ca1SGuangbin Huang 8755e69ea7eSYufeng Mo /* get data ready for the first time to read */ 8765e69ea7eSYufeng Mo if (!*ppos) { 87777e91848SHuazhong Tan ret = hns3_dbg_read_cmd(dbg_data, hns3_dbg_cmd[index].cmd, 8785e69ea7eSYufeng Mo read_buf, hns3_dbg_cmd[index].buf_len); 8795e69ea7eSYufeng Mo if (ret) 88004987ca1SGuangbin Huang goto out; 88104987ca1SGuangbin Huang } 88204987ca1SGuangbin Huang 88304987ca1SGuangbin Huang size = simple_read_from_buffer(buffer, count, ppos, read_buf, 88404987ca1SGuangbin Huang strlen(read_buf)); 8855e69ea7eSYufeng Mo if (size > 0) 8865e69ea7eSYufeng Mo return size; 88704987ca1SGuangbin Huang 88804987ca1SGuangbin Huang out: 8895e69ea7eSYufeng Mo /* free the buffer for the last read operation */ 8905e69ea7eSYufeng Mo if (*save_buf) { 8915e69ea7eSYufeng Mo kvfree(*save_buf); 8925e69ea7eSYufeng Mo *save_buf = NULL; 8935e69ea7eSYufeng Mo } 8945e69ea7eSYufeng Mo 8955e69ea7eSYufeng Mo return ret; 89604987ca1SGuangbin Huang } 89704987ca1SGuangbin Huang 898b2292360Sliuzhongzhu static const struct file_operations hns3_dbg_cmd_fops = { 899b2292360Sliuzhongzhu .owner = THIS_MODULE, 900b2292360Sliuzhongzhu .open = simple_open, 901b2292360Sliuzhongzhu .read = hns3_dbg_cmd_read, 902b2292360Sliuzhongzhu .write = hns3_dbg_cmd_write, 903b2292360Sliuzhongzhu }; 904b2292360Sliuzhongzhu 90504987ca1SGuangbin Huang static const struct file_operations hns3_dbg_fops = { 90604987ca1SGuangbin Huang .owner = THIS_MODULE, 90704987ca1SGuangbin Huang .open = simple_open, 90804987ca1SGuangbin Huang .read = hns3_dbg_read, 90904987ca1SGuangbin Huang }; 91004987ca1SGuangbin Huang 91177e91848SHuazhong Tan static int hns3_dbg_bd_file_init(struct hnae3_handle *handle, u32 cmd) 91277e91848SHuazhong Tan { 91377e91848SHuazhong Tan struct dentry *entry_dir; 91477e91848SHuazhong Tan struct hns3_dbg_data *data; 91577e91848SHuazhong Tan u16 max_queue_num; 91677e91848SHuazhong Tan unsigned int i; 91777e91848SHuazhong Tan 91877e91848SHuazhong Tan entry_dir = hns3_dbg_dentry[hns3_dbg_cmd[cmd].dentry].dentry; 91977e91848SHuazhong Tan max_queue_num = hns3_get_max_available_channels(handle); 92077e91848SHuazhong Tan data = devm_kzalloc(&handle->pdev->dev, max_queue_num * sizeof(*data), 92177e91848SHuazhong Tan GFP_KERNEL); 92277e91848SHuazhong Tan if (!data) 92377e91848SHuazhong Tan return -ENOMEM; 92477e91848SHuazhong Tan 92577e91848SHuazhong Tan for (i = 0; i < max_queue_num; i++) { 92677e91848SHuazhong Tan char name[HNS3_DBG_FILE_NAME_LEN]; 92777e91848SHuazhong Tan 92877e91848SHuazhong Tan data[i].handle = handle; 92977e91848SHuazhong Tan data[i].qid = i; 93077e91848SHuazhong Tan sprintf(name, "%s%u", hns3_dbg_cmd[cmd].name, i); 93177e91848SHuazhong Tan debugfs_create_file(name, 0400, entry_dir, &data[i], 93277e91848SHuazhong Tan &hns3_dbg_fops); 93377e91848SHuazhong Tan } 93477e91848SHuazhong Tan 93577e91848SHuazhong Tan return 0; 93677e91848SHuazhong Tan } 93777e91848SHuazhong Tan 9385e69ea7eSYufeng Mo static int 9395e69ea7eSYufeng Mo hns3_dbg_common_file_init(struct hnae3_handle *handle, u32 cmd) 9405e69ea7eSYufeng Mo { 94177e91848SHuazhong Tan struct hns3_dbg_data *data; 9425e69ea7eSYufeng Mo struct dentry *entry_dir; 9435e69ea7eSYufeng Mo 94477e91848SHuazhong Tan data = devm_kzalloc(&handle->pdev->dev, sizeof(*data), GFP_KERNEL); 94577e91848SHuazhong Tan if (!data) 94677e91848SHuazhong Tan return -ENOMEM; 94777e91848SHuazhong Tan 94877e91848SHuazhong Tan data->handle = handle; 9495e69ea7eSYufeng Mo entry_dir = hns3_dbg_dentry[hns3_dbg_cmd[cmd].dentry].dentry; 9505e69ea7eSYufeng Mo debugfs_create_file(hns3_dbg_cmd[cmd].name, 0400, entry_dir, 95177e91848SHuazhong Tan data, &hns3_dbg_fops); 9525e69ea7eSYufeng Mo 9535e69ea7eSYufeng Mo return 0; 9545e69ea7eSYufeng Mo } 9555e69ea7eSYufeng Mo 9565e69ea7eSYufeng Mo int hns3_dbg_init(struct hnae3_handle *handle) 957b2292360Sliuzhongzhu { 95804987ca1SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 959b2292360Sliuzhongzhu const char *name = pci_name(handle->pdev); 9605e69ea7eSYufeng Mo int ret; 9615e69ea7eSYufeng Mo u32 i; 962b2292360Sliuzhongzhu 9635e69ea7eSYufeng Mo hns3_dbg_dentry[HNS3_DBG_DENTRY_COMMON].dentry = 9645e69ea7eSYufeng Mo debugfs_create_dir(name, hns3_dbgfs_root); 9655e69ea7eSYufeng Mo handle->hnae3_dbgfs = hns3_dbg_dentry[HNS3_DBG_DENTRY_COMMON].dentry; 966b2292360Sliuzhongzhu 96711ab11e6SGreg Kroah-Hartman debugfs_create_file("cmd", 0600, handle->hnae3_dbgfs, handle, 968b2292360Sliuzhongzhu &hns3_dbg_cmd_fops); 96904987ca1SGuangbin Huang 9705e69ea7eSYufeng Mo for (i = 0; i < HNS3_DBG_DENTRY_COMMON; i++) 9715e69ea7eSYufeng Mo hns3_dbg_dentry[i].dentry = 9725e69ea7eSYufeng Mo debugfs_create_dir(hns3_dbg_dentry[i].name, 9735e69ea7eSYufeng Mo handle->hnae3_dbgfs); 9745e69ea7eSYufeng Mo 9755e69ea7eSYufeng Mo for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) { 9765e69ea7eSYufeng Mo if (hns3_dbg_cmd[i].cmd == HNAE3_DBG_CMD_TM_NODES && 9775e69ea7eSYufeng Mo ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2) 9785e69ea7eSYufeng Mo continue; 9795e69ea7eSYufeng Mo 9805e69ea7eSYufeng Mo if (!hns3_dbg_cmd[i].init) { 9815e69ea7eSYufeng Mo dev_err(&handle->pdev->dev, 9825e69ea7eSYufeng Mo "cmd %s lack of init func\n", 9835e69ea7eSYufeng Mo hns3_dbg_cmd[i].name); 9845e69ea7eSYufeng Mo ret = -EINVAL; 9855e69ea7eSYufeng Mo goto out; 9865e69ea7eSYufeng Mo } 9875e69ea7eSYufeng Mo 9885e69ea7eSYufeng Mo ret = hns3_dbg_cmd[i].init(handle, i); 9895e69ea7eSYufeng Mo if (ret) { 9905e69ea7eSYufeng Mo dev_err(&handle->pdev->dev, "failed to init cmd %s\n", 9915e69ea7eSYufeng Mo hns3_dbg_cmd[i].name); 9925e69ea7eSYufeng Mo goto out; 9935e69ea7eSYufeng Mo } 9945e69ea7eSYufeng Mo } 9955e69ea7eSYufeng Mo 9965e69ea7eSYufeng Mo return 0; 9975e69ea7eSYufeng Mo 9985e69ea7eSYufeng Mo out: 9995e69ea7eSYufeng Mo debugfs_remove_recursive(handle->hnae3_dbgfs); 10005e69ea7eSYufeng Mo handle->hnae3_dbgfs = NULL; 10015e69ea7eSYufeng Mo return ret; 1002b2292360Sliuzhongzhu } 1003b2292360Sliuzhongzhu 1004b2292360Sliuzhongzhu void hns3_dbg_uninit(struct hnae3_handle *handle) 1005b2292360Sliuzhongzhu { 10065e69ea7eSYufeng Mo u32 i; 10075e69ea7eSYufeng Mo 10085e69ea7eSYufeng Mo for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) 10095e69ea7eSYufeng Mo if (hns3_dbg_cmd[i].buf) { 10105e69ea7eSYufeng Mo kvfree(hns3_dbg_cmd[i].buf); 10115e69ea7eSYufeng Mo hns3_dbg_cmd[i].buf = NULL; 10125e69ea7eSYufeng Mo } 10135e69ea7eSYufeng Mo 1014b2292360Sliuzhongzhu debugfs_remove_recursive(handle->hnae3_dbgfs); 1015b2292360Sliuzhongzhu handle->hnae3_dbgfs = NULL; 1016b2292360Sliuzhongzhu } 1017b2292360Sliuzhongzhu 1018b2292360Sliuzhongzhu void hns3_dbg_register_debugfs(const char *debugfs_dir_name) 1019b2292360Sliuzhongzhu { 1020b2292360Sliuzhongzhu hns3_dbgfs_root = debugfs_create_dir(debugfs_dir_name, NULL); 1021b2292360Sliuzhongzhu } 1022b2292360Sliuzhongzhu 1023b2292360Sliuzhongzhu void hns3_dbg_unregister_debugfs(void) 1024b2292360Sliuzhongzhu { 1025b2292360Sliuzhongzhu debugfs_remove_recursive(hns3_dbgfs_root); 1026b2292360Sliuzhongzhu hns3_dbgfs_root = NULL; 1027b2292360Sliuzhongzhu } 1028