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 }, 265e69ea7eSYufeng Mo /* keep common at the bottom and add new directory above */ 275e69ea7eSYufeng Mo { 285e69ea7eSYufeng Mo .name = "common" 295e69ea7eSYufeng Mo }, 305e69ea7eSYufeng Mo }; 315e69ea7eSYufeng Mo 3277e91848SHuazhong Tan static int hns3_dbg_bd_file_init(struct hnae3_handle *handle, unsigned int cmd); 335e69ea7eSYufeng Mo static int hns3_dbg_common_file_init(struct hnae3_handle *handle, 345e69ea7eSYufeng Mo unsigned int cmd); 355e69ea7eSYufeng Mo 365e69ea7eSYufeng Mo static struct hns3_dbg_cmd_info hns3_dbg_cmd[] = { 375e69ea7eSYufeng Mo { 385e69ea7eSYufeng Mo .name = "tm_nodes", 395e69ea7eSYufeng Mo .cmd = HNAE3_DBG_CMD_TM_NODES, 405e69ea7eSYufeng Mo .dentry = HNS3_DBG_DENTRY_TM, 415e69ea7eSYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 425e69ea7eSYufeng Mo .init = hns3_dbg_common_file_init, 435e69ea7eSYufeng Mo }, 445e69ea7eSYufeng Mo { 455e69ea7eSYufeng Mo .name = "tm_priority", 465e69ea7eSYufeng Mo .cmd = HNAE3_DBG_CMD_TM_PRI, 475e69ea7eSYufeng Mo .dentry = HNS3_DBG_DENTRY_TM, 485e69ea7eSYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 495e69ea7eSYufeng Mo .init = hns3_dbg_common_file_init, 505e69ea7eSYufeng Mo }, 515e69ea7eSYufeng Mo { 525e69ea7eSYufeng Mo .name = "tm_qset", 535e69ea7eSYufeng Mo .cmd = HNAE3_DBG_CMD_TM_QSET, 545e69ea7eSYufeng Mo .dentry = HNS3_DBG_DENTRY_TM, 555e69ea7eSYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 565e69ea7eSYufeng Mo .init = hns3_dbg_common_file_init, 575e69ea7eSYufeng Mo }, 58c929bc2aSJiaran Zhang { 59c929bc2aSJiaran Zhang .name = "dev_info", 60c929bc2aSJiaran Zhang .cmd = HNAE3_DBG_CMD_DEV_INFO, 61c929bc2aSJiaran Zhang .dentry = HNS3_DBG_DENTRY_COMMON, 62c929bc2aSJiaran Zhang .buf_len = HNS3_DBG_READ_LEN, 63c929bc2aSJiaran Zhang .init = hns3_dbg_common_file_init, 64c929bc2aSJiaran Zhang }, 6577e91848SHuazhong Tan { 6677e91848SHuazhong Tan .name = "tx_bd_queue", 6777e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_TX_BD, 6877e91848SHuazhong Tan .dentry = HNS3_DBG_DENTRY_TX_BD, 6977e91848SHuazhong Tan .buf_len = HNS3_DBG_READ_LEN_4MB, 7077e91848SHuazhong Tan .init = hns3_dbg_bd_file_init, 7177e91848SHuazhong Tan }, 7277e91848SHuazhong Tan { 7377e91848SHuazhong Tan .name = "rx_bd_queue", 7477e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_RX_BD, 7577e91848SHuazhong Tan .dentry = HNS3_DBG_DENTRY_RX_BD, 7677e91848SHuazhong Tan .buf_len = HNS3_DBG_READ_LEN_4MB, 7777e91848SHuazhong Tan .init = hns3_dbg_bd_file_init, 7877e91848SHuazhong Tan }, 791556ea91SHuazhong Tan { 801556ea91SHuazhong Tan .name = "uc", 811556ea91SHuazhong Tan .cmd = HNAE3_DBG_CMD_MAC_UC, 821556ea91SHuazhong Tan .dentry = HNS3_DBG_DENTRY_MAC, 831556ea91SHuazhong Tan .buf_len = HNS3_DBG_READ_LEN, 841556ea91SHuazhong Tan .init = hns3_dbg_common_file_init, 851556ea91SHuazhong Tan }, 861556ea91SHuazhong Tan { 871556ea91SHuazhong Tan .name = "mc", 881556ea91SHuazhong Tan .cmd = HNAE3_DBG_CMD_MAC_MC, 891556ea91SHuazhong Tan .dentry = HNS3_DBG_DENTRY_MAC, 901556ea91SHuazhong Tan .buf_len = HNS3_DBG_READ_LEN, 911556ea91SHuazhong Tan .init = hns3_dbg_common_file_init, 921556ea91SHuazhong Tan }, 938ddfd9c4SYufeng Mo { 948ddfd9c4SYufeng Mo .name = "mng_tbl", 958ddfd9c4SYufeng Mo .cmd = HNAE3_DBG_CMD_MNG_TBL, 968ddfd9c4SYufeng Mo .dentry = HNS3_DBG_DENTRY_COMMON, 978ddfd9c4SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 988ddfd9c4SYufeng Mo .init = hns3_dbg_common_file_init, 998ddfd9c4SYufeng Mo }, 100d658ff34SYufeng Mo { 101d658ff34SYufeng Mo .name = "loopback", 102d658ff34SYufeng Mo .cmd = HNAE3_DBG_CMD_LOOPBACK, 103d658ff34SYufeng Mo .dentry = HNS3_DBG_DENTRY_COMMON, 104d658ff34SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 105d658ff34SYufeng Mo .init = hns3_dbg_common_file_init, 106d658ff34SYufeng Mo }, 1079149ca0fSJiaran Zhang { 1089149ca0fSJiaran Zhang .name = "interrupt_info", 1099149ca0fSJiaran Zhang .cmd = HNAE3_DBG_CMD_INTERRUPT_INFO, 1109149ca0fSJiaran Zhang .dentry = HNS3_DBG_DENTRY_COMMON, 1119149ca0fSJiaran Zhang .buf_len = HNS3_DBG_READ_LEN, 1129149ca0fSJiaran Zhang .init = hns3_dbg_common_file_init, 1139149ca0fSJiaran Zhang }, 114*1a7ff828SJiaran Zhang { 115*1a7ff828SJiaran Zhang .name = "reset_info", 116*1a7ff828SJiaran Zhang .cmd = HNAE3_DBG_CMD_RESET_INFO, 117*1a7ff828SJiaran Zhang .dentry = HNS3_DBG_DENTRY_COMMON, 118*1a7ff828SJiaran Zhang .buf_len = HNS3_DBG_READ_LEN, 119*1a7ff828SJiaran Zhang .init = hns3_dbg_common_file_init, 120*1a7ff828SJiaran Zhang }, 121c929bc2aSJiaran Zhang }; 122c929bc2aSJiaran Zhang 123c929bc2aSJiaran Zhang static struct hns3_dbg_cap_info hns3_dbg_cap[] = { 124c929bc2aSJiaran Zhang { 125c929bc2aSJiaran Zhang .name = "support FD", 126c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_FD_B, 127c929bc2aSJiaran Zhang }, { 128c929bc2aSJiaran Zhang .name = "support GRO", 129c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_GRO_B, 130c929bc2aSJiaran Zhang }, { 131c929bc2aSJiaran Zhang .name = "support FEC", 132c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_FEC_B, 133c929bc2aSJiaran Zhang }, { 134c929bc2aSJiaran Zhang .name = "support UDP GSO", 135c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_UDP_GSO_B, 136c929bc2aSJiaran Zhang }, { 137c929bc2aSJiaran Zhang .name = "support PTP", 138c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_PTP_B, 139c929bc2aSJiaran Zhang }, { 140c929bc2aSJiaran Zhang .name = "support INT QL", 141c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_INT_QL_B, 142c929bc2aSJiaran Zhang }, { 143c929bc2aSJiaran Zhang .name = "support HW TX csum", 144c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_HW_TX_CSUM_B, 145c929bc2aSJiaran Zhang }, { 146c929bc2aSJiaran Zhang .name = "support UDP tunnel csum", 147c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_UDP_TUNNEL_CSUM_B, 148c929bc2aSJiaran Zhang }, { 149c929bc2aSJiaran Zhang .name = "support TX push", 150c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_TX_PUSH_B, 151c929bc2aSJiaran Zhang }, { 152c929bc2aSJiaran Zhang .name = "support imp-controlled PHY", 153c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_PHY_IMP_B, 154c929bc2aSJiaran Zhang }, { 155c929bc2aSJiaran Zhang .name = "support rxd advanced layout", 156c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_RXD_ADV_LAYOUT_B, 157c929bc2aSJiaran Zhang }, 1585e69ea7eSYufeng Mo }; 1595e69ea7eSYufeng Mo 16077e91848SHuazhong Tan static void hns3_dbg_fill_content(char *content, u16 len, 16177e91848SHuazhong Tan const struct hns3_dbg_item *items, 16277e91848SHuazhong Tan const char **result, u16 size) 16377e91848SHuazhong Tan { 16477e91848SHuazhong Tan char *pos = content; 16577e91848SHuazhong Tan u16 i; 16677e91848SHuazhong Tan 16777e91848SHuazhong Tan memset(content, ' ', len); 16877e91848SHuazhong Tan for (i = 0; i < size; i++) { 16977e91848SHuazhong Tan if (result) 17077e91848SHuazhong Tan strncpy(pos, result[i], strlen(result[i])); 17177e91848SHuazhong Tan else 17277e91848SHuazhong Tan strncpy(pos, items[i].name, strlen(items[i].name)); 17377e91848SHuazhong Tan 17477e91848SHuazhong Tan pos += strlen(items[i].name) + items[i].interval; 17577e91848SHuazhong Tan } 17677e91848SHuazhong Tan 17777e91848SHuazhong Tan *pos++ = '\n'; 17877e91848SHuazhong Tan *pos++ = '\0'; 17977e91848SHuazhong Tan } 18077e91848SHuazhong Tan 181ebaf1908SWeihang Li static int hns3_dbg_queue_info(struct hnae3_handle *h, 182ebaf1908SWeihang Li const char *cmd_buf) 18357ceee2cSliuzhongzhu { 184dbaae5bbSGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 18557ceee2cSliuzhongzhu struct hns3_nic_priv *priv = h->priv; 18657ceee2cSliuzhongzhu struct hns3_enet_ring *ring; 18757ceee2cSliuzhongzhu u32 base_add_l, base_add_h; 18857ceee2cSliuzhongzhu u32 queue_num, queue_max; 1899d8d5a36SYufeng Mo u32 value, i; 19057ceee2cSliuzhongzhu int cnt; 19157ceee2cSliuzhongzhu 1925f06b903SYunsheng Lin if (!priv->ring) { 1935f06b903SYunsheng Lin dev_err(&h->pdev->dev, "priv->ring is NULL\n"); 19457ceee2cSliuzhongzhu return -EFAULT; 19557ceee2cSliuzhongzhu } 19657ceee2cSliuzhongzhu 19757ceee2cSliuzhongzhu queue_max = h->kinfo.num_tqps; 19857ceee2cSliuzhongzhu cnt = kstrtouint(&cmd_buf[11], 0, &queue_num); 19957ceee2cSliuzhongzhu if (cnt) 20057ceee2cSliuzhongzhu queue_num = 0; 20157ceee2cSliuzhongzhu else 20257ceee2cSliuzhongzhu queue_max = queue_num + 1; 20357ceee2cSliuzhongzhu 20457ceee2cSliuzhongzhu dev_info(&h->pdev->dev, "queue info\n"); 20557ceee2cSliuzhongzhu 20657ceee2cSliuzhongzhu if (queue_num >= h->kinfo.num_tqps) { 20757ceee2cSliuzhongzhu dev_err(&h->pdev->dev, 208ed5b255bSYufeng Mo "Queue number(%u) is out of range(0-%u)\n", queue_num, 20957ceee2cSliuzhongzhu h->kinfo.num_tqps - 1); 21057ceee2cSliuzhongzhu return -EINVAL; 21157ceee2cSliuzhongzhu } 21257ceee2cSliuzhongzhu 21357ceee2cSliuzhongzhu for (i = queue_num; i < queue_max; i++) { 21457ceee2cSliuzhongzhu /* Each cycle needs to determine whether the instance is reset, 21557ceee2cSliuzhongzhu * to prevent reference to invalid memory. And need to ensure 21657ceee2cSliuzhongzhu * that the following code is executed within 100ms. 21757ceee2cSliuzhongzhu */ 2187737f1fbSliuzhongzhu if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 21957ceee2cSliuzhongzhu test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) 22057ceee2cSliuzhongzhu return -EPERM; 22157ceee2cSliuzhongzhu 2225f06b903SYunsheng Lin ring = &priv->ring[(u32)(i + h->kinfo.num_tqps)]; 22357ceee2cSliuzhongzhu base_add_h = readl_relaxed(ring->tqp->io_base + 22457ceee2cSliuzhongzhu HNS3_RING_RX_RING_BASEADDR_H_REG); 22557ceee2cSliuzhongzhu base_add_l = readl_relaxed(ring->tqp->io_base + 22657ceee2cSliuzhongzhu HNS3_RING_RX_RING_BASEADDR_L_REG); 227adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) BASE ADD: 0x%08x%08x\n", i, 22857ceee2cSliuzhongzhu base_add_h, base_add_l); 22957ceee2cSliuzhongzhu 23057ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 23157ceee2cSliuzhongzhu HNS3_RING_RX_RING_BD_NUM_REG); 232adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING BD NUM: %u\n", i, value); 23357ceee2cSliuzhongzhu 23457ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 23557ceee2cSliuzhongzhu HNS3_RING_RX_RING_BD_LEN_REG); 236adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING BD LEN: %u\n", i, value); 23757ceee2cSliuzhongzhu 23857ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 23957ceee2cSliuzhongzhu HNS3_RING_RX_RING_TAIL_REG); 240adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING TAIL: %u\n", i, value); 24157ceee2cSliuzhongzhu 24257ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 24357ceee2cSliuzhongzhu HNS3_RING_RX_RING_HEAD_REG); 244adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING HEAD: %u\n", i, value); 24557ceee2cSliuzhongzhu 24657ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 24757ceee2cSliuzhongzhu HNS3_RING_RX_RING_FBDNUM_REG); 248adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING FBDNUM: %u\n", i, value); 24957ceee2cSliuzhongzhu 25057ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 25157ceee2cSliuzhongzhu HNS3_RING_RX_RING_PKTNUM_RECORD_REG); 252adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING PKTNUM: %u\n", i, value); 25357ceee2cSliuzhongzhu 2545f06b903SYunsheng Lin ring = &priv->ring[i]; 25557ceee2cSliuzhongzhu base_add_h = readl_relaxed(ring->tqp->io_base + 25657ceee2cSliuzhongzhu HNS3_RING_TX_RING_BASEADDR_H_REG); 25757ceee2cSliuzhongzhu base_add_l = readl_relaxed(ring->tqp->io_base + 25857ceee2cSliuzhongzhu HNS3_RING_TX_RING_BASEADDR_L_REG); 259adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) BASE ADD: 0x%08x%08x\n", i, 26057ceee2cSliuzhongzhu base_add_h, base_add_l); 26157ceee2cSliuzhongzhu 26257ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 26357ceee2cSliuzhongzhu HNS3_RING_TX_RING_BD_NUM_REG); 264adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING BD NUM: %u\n", i, value); 26557ceee2cSliuzhongzhu 26657ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 26757ceee2cSliuzhongzhu HNS3_RING_TX_RING_TC_REG); 268adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING TC: %u\n", i, value); 26957ceee2cSliuzhongzhu 27057ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 27157ceee2cSliuzhongzhu HNS3_RING_TX_RING_TAIL_REG); 272adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING TAIL: %u\n", i, value); 27357ceee2cSliuzhongzhu 27457ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 27557ceee2cSliuzhongzhu HNS3_RING_TX_RING_HEAD_REG); 276adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING HEAD: %u\n", i, value); 27757ceee2cSliuzhongzhu 27857ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 27957ceee2cSliuzhongzhu HNS3_RING_TX_RING_FBDNUM_REG); 280adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING FBDNUM: %u\n", i, value); 28157ceee2cSliuzhongzhu 28257ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 28357ceee2cSliuzhongzhu HNS3_RING_TX_RING_OFFSET_REG); 284adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING OFFSET: %u\n", i, value); 28557ceee2cSliuzhongzhu 28657ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 28757ceee2cSliuzhongzhu HNS3_RING_TX_RING_PKTNUM_RECORD_REG); 288dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "TX(%u) RING PKTNUM: %u\n", i, value); 289dbaae5bbSGuangbin Huang 290dbaae5bbSGuangbin Huang value = readl_relaxed(ring->tqp->io_base + HNS3_RING_EN_REG); 291dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "TX/RX(%u) RING EN: %s\n", i, 292dbaae5bbSGuangbin Huang value ? "enable" : "disable"); 293dbaae5bbSGuangbin Huang 294dbaae5bbSGuangbin Huang if (hnae3_ae_dev_tqp_txrx_indep_supported(ae_dev)) { 295dbaae5bbSGuangbin Huang value = readl_relaxed(ring->tqp->io_base + 296dbaae5bbSGuangbin Huang HNS3_RING_TX_EN_REG); 297dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "TX(%u) RING EN: %s\n", i, 298dbaae5bbSGuangbin Huang value ? "enable" : "disable"); 299dbaae5bbSGuangbin Huang 300dbaae5bbSGuangbin Huang value = readl_relaxed(ring->tqp->io_base + 301dbaae5bbSGuangbin Huang HNS3_RING_RX_EN_REG); 302dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "RX(%u) RING EN: %s\n", i, 303dbaae5bbSGuangbin Huang value ? "enable" : "disable"); 304dbaae5bbSGuangbin Huang } 305dbaae5bbSGuangbin Huang 306dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "\n"); 30757ceee2cSliuzhongzhu } 30857ceee2cSliuzhongzhu 30957ceee2cSliuzhongzhu return 0; 31057ceee2cSliuzhongzhu } 31157ceee2cSliuzhongzhu 3120c29d191Sliuzhongzhu static int hns3_dbg_queue_map(struct hnae3_handle *h) 3130c29d191Sliuzhongzhu { 3140c29d191Sliuzhongzhu struct hns3_nic_priv *priv = h->priv; 3150c29d191Sliuzhongzhu int i; 3160c29d191Sliuzhongzhu 3170c29d191Sliuzhongzhu if (!h->ae_algo->ops->get_global_queue_id) 3180c29d191Sliuzhongzhu return -EOPNOTSUPP; 3190c29d191Sliuzhongzhu 3200c29d191Sliuzhongzhu dev_info(&h->pdev->dev, "map info for queue id and vector id\n"); 3210c29d191Sliuzhongzhu dev_info(&h->pdev->dev, 3220c29d191Sliuzhongzhu "local queue id | global queue id | vector id\n"); 3230c29d191Sliuzhongzhu for (i = 0; i < h->kinfo.num_tqps; i++) { 3240c29d191Sliuzhongzhu u16 global_qid; 3250c29d191Sliuzhongzhu 3260c29d191Sliuzhongzhu global_qid = h->ae_algo->ops->get_global_queue_id(h, i); 3275f06b903SYunsheng Lin if (!priv->ring || !priv->ring[i].tqp_vector) 3280c29d191Sliuzhongzhu continue; 3290c29d191Sliuzhongzhu 3300c29d191Sliuzhongzhu dev_info(&h->pdev->dev, 331c5aaf176SJiaran Zhang " %4d %4u %4d\n", 3325f06b903SYunsheng Lin i, global_qid, priv->ring[i].tqp_vector->vector_irq); 3330c29d191Sliuzhongzhu } 3340c29d191Sliuzhongzhu 3350c29d191Sliuzhongzhu return 0; 3360c29d191Sliuzhongzhu } 3370c29d191Sliuzhongzhu 33877e91848SHuazhong Tan static const struct hns3_dbg_item rx_bd_info_items[] = { 33977e91848SHuazhong Tan { "BD_IDX", 3 }, 34077e91848SHuazhong Tan { "L234_INFO", 2 }, 34177e91848SHuazhong Tan { "PKT_LEN", 3 }, 34277e91848SHuazhong Tan { "SIZE", 4 }, 34377e91848SHuazhong Tan { "RSS_HASH", 4 }, 34477e91848SHuazhong Tan { "FD_ID", 2 }, 34577e91848SHuazhong Tan { "VLAN_TAG", 2 }, 34677e91848SHuazhong Tan { "O_DM_VLAN_ID_FB", 2 }, 34777e91848SHuazhong Tan { "OT_VLAN_TAG", 2 }, 34877e91848SHuazhong Tan { "BD_BASE_INFO", 2 }, 34977e91848SHuazhong Tan { "PTYPE", 2 }, 35077e91848SHuazhong Tan { "HW_CSUM", 2 }, 35177e91848SHuazhong Tan }; 35277e91848SHuazhong Tan 35377e91848SHuazhong Tan static void hns3_dump_rx_bd_info(struct hns3_nic_priv *priv, 35477e91848SHuazhong Tan struct hns3_desc *desc, char **result, int idx) 355122bedc5Sliuzhongzhu { 35677e91848SHuazhong Tan unsigned int j = 0; 357122bedc5Sliuzhongzhu 35877e91848SHuazhong Tan sprintf(result[j++], "%5d", idx); 35977e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.l234_info)); 36077e91848SHuazhong Tan sprintf(result[j++], "%7u", le16_to_cpu(desc->rx.pkt_len)); 36177e91848SHuazhong Tan sprintf(result[j++], "%4u", le16_to_cpu(desc->rx.size)); 36277e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.rss_hash)); 36377e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->rx.fd_id)); 36477e91848SHuazhong Tan sprintf(result[j++], "%8u", le16_to_cpu(desc->rx.vlan_tag)); 36577e91848SHuazhong Tan sprintf(result[j++], "%15u", le16_to_cpu(desc->rx.o_dm_vlan_id_fb)); 36677e91848SHuazhong Tan sprintf(result[j++], "%11u", le16_to_cpu(desc->rx.ot_vlan_tag)); 36777e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.bd_base_info)); 36877e91848SHuazhong Tan if (test_bit(HNS3_NIC_STATE_RXD_ADV_LAYOUT_ENABLE, &priv->state)) { 36977e91848SHuazhong Tan u32 ol_info = le32_to_cpu(desc->rx.ol_info); 370122bedc5Sliuzhongzhu 37177e91848SHuazhong Tan sprintf(result[j++], "%5lu", hnae3_get_field(ol_info, 37277e91848SHuazhong Tan HNS3_RXD_PTYPE_M, 37377e91848SHuazhong Tan HNS3_RXD_PTYPE_S)); 37477e91848SHuazhong Tan sprintf(result[j++], "%7u", le16_to_cpu(desc->csum)); 375b1533adaSHuazhong Tan } else { 37677e91848SHuazhong Tan sprintf(result[j++], "NA"); 37777e91848SHuazhong Tan sprintf(result[j++], "NA"); 37877e91848SHuazhong Tan } 379b1533adaSHuazhong Tan } 380b1533adaSHuazhong Tan 38177e91848SHuazhong Tan static int hns3_dbg_rx_bd_info(struct hns3_dbg_data *d, char *buf, int len) 38277e91848SHuazhong Tan { 38377e91848SHuazhong Tan char data_str[ARRAY_SIZE(rx_bd_info_items)][HNS3_DBG_DATA_STR_LEN]; 38477e91848SHuazhong Tan struct hns3_nic_priv *priv = d->handle->priv; 38577e91848SHuazhong Tan char *result[ARRAY_SIZE(rx_bd_info_items)]; 38677e91848SHuazhong Tan char content[HNS3_DBG_INFO_LEN]; 38777e91848SHuazhong Tan struct hns3_enet_ring *ring; 38877e91848SHuazhong Tan struct hns3_desc *desc; 38977e91848SHuazhong Tan unsigned int i; 39077e91848SHuazhong Tan int pos = 0; 391122bedc5Sliuzhongzhu 39277e91848SHuazhong Tan if (d->qid >= d->handle->kinfo.num_tqps) { 39377e91848SHuazhong Tan dev_err(&d->handle->pdev->dev, 39477e91848SHuazhong Tan "queue%u is not in use\n", d->qid); 39577e91848SHuazhong Tan return -EINVAL; 39677e91848SHuazhong Tan } 397122bedc5Sliuzhongzhu 39877e91848SHuazhong Tan for (i = 0; i < ARRAY_SIZE(rx_bd_info_items); i++) 39977e91848SHuazhong Tan result[i] = &data_str[i][0]; 400b1533adaSHuazhong Tan 40177e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, 40277e91848SHuazhong Tan "Queue %u rx bd info:\n", d->qid); 40377e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), rx_bd_info_items, 40477e91848SHuazhong Tan NULL, ARRAY_SIZE(rx_bd_info_items)); 40577e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 40677e91848SHuazhong Tan 40777e91848SHuazhong Tan ring = &priv->ring[d->qid + d->handle->kinfo.num_tqps]; 40877e91848SHuazhong Tan for (i = 0; i < ring->desc_num; i++) { 40977e91848SHuazhong Tan desc = &ring->desc[i]; 41077e91848SHuazhong Tan 41177e91848SHuazhong Tan hns3_dump_rx_bd_info(priv, desc, result, i); 41277e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), 41377e91848SHuazhong Tan rx_bd_info_items, (const char **)result, 41477e91848SHuazhong Tan ARRAY_SIZE(rx_bd_info_items)); 41577e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 41677e91848SHuazhong Tan } 41777e91848SHuazhong Tan 41877e91848SHuazhong Tan return 0; 41977e91848SHuazhong Tan } 42077e91848SHuazhong Tan 42177e91848SHuazhong Tan static const struct hns3_dbg_item tx_bd_info_items[] = { 42277e91848SHuazhong Tan { "BD_IDX", 5 }, 42377e91848SHuazhong Tan { "ADDRESS", 2 }, 42477e91848SHuazhong Tan { "VLAN_TAG", 2 }, 42577e91848SHuazhong Tan { "SIZE", 2 }, 42677e91848SHuazhong Tan { "T_CS_VLAN_TSO", 2 }, 42777e91848SHuazhong Tan { "OT_VLAN_TAG", 3 }, 42877e91848SHuazhong Tan { "TV", 2 }, 42977e91848SHuazhong Tan { "OLT_VLAN_LEN", 2}, 43077e91848SHuazhong Tan { "PAYLEN_OL4CS", 2}, 43177e91848SHuazhong Tan { "BD_FE_SC_VLD", 2}, 43277e91848SHuazhong Tan { "MSS_HW_CSUM", 0}, 43377e91848SHuazhong Tan }; 43477e91848SHuazhong Tan 43577e91848SHuazhong Tan static void hns3_dump_tx_bd_info(struct hns3_nic_priv *priv, 43677e91848SHuazhong Tan struct hns3_desc *desc, char **result, int idx) 43777e91848SHuazhong Tan { 43877e91848SHuazhong Tan unsigned int j = 0; 43977e91848SHuazhong Tan 44077e91848SHuazhong Tan sprintf(result[j++], "%6d", idx); 44177e91848SHuazhong Tan sprintf(result[j++], "%#llx", le64_to_cpu(desc->addr)); 44277e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.vlan_tag)); 44377e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.send_size)); 44477e91848SHuazhong Tan sprintf(result[j++], "%#x", 44577e91848SHuazhong Tan le32_to_cpu(desc->tx.type_cs_vlan_tso_len)); 44677e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.outer_vlan_tag)); 44777e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.tv)); 44877e91848SHuazhong Tan sprintf(result[j++], "%10u", 44977e91848SHuazhong Tan le32_to_cpu(desc->tx.ol_type_vlan_len_msec)); 45077e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->tx.paylen_ol4cs)); 45177e91848SHuazhong Tan sprintf(result[j++], "%#x", le16_to_cpu(desc->tx.bdtp_fe_sc_vld_ra_ri)); 45277e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.mss_hw_csum)); 45377e91848SHuazhong Tan } 45477e91848SHuazhong Tan 45577e91848SHuazhong Tan static int hns3_dbg_tx_bd_info(struct hns3_dbg_data *d, char *buf, int len) 45677e91848SHuazhong Tan { 45777e91848SHuazhong Tan char data_str[ARRAY_SIZE(tx_bd_info_items)][HNS3_DBG_DATA_STR_LEN]; 45877e91848SHuazhong Tan struct hns3_nic_priv *priv = d->handle->priv; 45977e91848SHuazhong Tan char *result[ARRAY_SIZE(tx_bd_info_items)]; 46077e91848SHuazhong Tan char content[HNS3_DBG_INFO_LEN]; 46177e91848SHuazhong Tan struct hns3_enet_ring *ring; 46277e91848SHuazhong Tan struct hns3_desc *desc; 46377e91848SHuazhong Tan unsigned int i; 46477e91848SHuazhong Tan int pos = 0; 46577e91848SHuazhong Tan 46677e91848SHuazhong Tan if (d->qid >= d->handle->kinfo.num_tqps) { 46777e91848SHuazhong Tan dev_err(&d->handle->pdev->dev, 46877e91848SHuazhong Tan "queue%u is not in use\n", d->qid); 46977e91848SHuazhong Tan return -EINVAL; 47077e91848SHuazhong Tan } 47177e91848SHuazhong Tan 47277e91848SHuazhong Tan for (i = 0; i < ARRAY_SIZE(tx_bd_info_items); i++) 47377e91848SHuazhong Tan result[i] = &data_str[i][0]; 47477e91848SHuazhong Tan 47577e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, 47677e91848SHuazhong Tan "Queue %u tx bd info:\n", d->qid); 47777e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), tx_bd_info_items, 47877e91848SHuazhong Tan NULL, ARRAY_SIZE(tx_bd_info_items)); 47977e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 48077e91848SHuazhong Tan 48177e91848SHuazhong Tan ring = &priv->ring[d->qid]; 48277e91848SHuazhong Tan for (i = 0; i < ring->desc_num; i++) { 48377e91848SHuazhong Tan desc = &ring->desc[i]; 48477e91848SHuazhong Tan 48577e91848SHuazhong Tan hns3_dump_tx_bd_info(priv, desc, result, i); 48677e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), 48777e91848SHuazhong Tan tx_bd_info_items, (const char **)result, 48877e91848SHuazhong Tan ARRAY_SIZE(tx_bd_info_items)); 48977e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 49077e91848SHuazhong Tan } 491122bedc5Sliuzhongzhu 492122bedc5Sliuzhongzhu return 0; 493122bedc5Sliuzhongzhu } 494122bedc5Sliuzhongzhu 495b2292360Sliuzhongzhu static void hns3_dbg_help(struct hnae3_handle *h) 496b2292360Sliuzhongzhu { 49727cf979aSliuzhongzhu #define HNS3_DBG_BUF_LEN 256 49827cf979aSliuzhongzhu 49927cf979aSliuzhongzhu char printf_buf[HNS3_DBG_BUF_LEN]; 50027cf979aSliuzhongzhu 501b2292360Sliuzhongzhu dev_info(&h->pdev->dev, "available commands\n"); 502ed5b255bSYufeng Mo dev_info(&h->pdev->dev, "queue info <number>\n"); 5030c29d191Sliuzhongzhu dev_info(&h->pdev->dev, "queue map\n"); 50497afd47bSYufeng Mo 50597afd47bSYufeng Mo if (!hns3_is_phys_func(h->pdev)) 50697afd47bSYufeng Mo return; 50797afd47bSYufeng Mo 508b2292360Sliuzhongzhu dev_info(&h->pdev->dev, "dump fd tcam\n"); 5092849d4e7Sliuzhongzhu dev_info(&h->pdev->dev, "dump tc\n"); 510ed5b255bSYufeng Mo dev_info(&h->pdev->dev, "dump tm map <q_num>\n"); 51196227f4cSliuzhongzhu dev_info(&h->pdev->dev, "dump tm\n"); 512d958919dSliuzhongzhu dev_info(&h->pdev->dev, "dump qos pause cfg\n"); 5136fc22440Sliuzhongzhu dev_info(&h->pdev->dev, "dump qos pri map\n"); 5147d9d7f88Sliuzhongzhu dev_info(&h->pdev->dev, "dump qos buf cfg\n"); 51533a90e2fSZhongzhu Liu dev_info(&h->pdev->dev, "dump m7 info\n"); 516ffd140e2SWeihang Li dev_info(&h->pdev->dev, "dump ncl_config <offset> <length>(in hex)\n"); 517a6345787SWeihang Li dev_info(&h->pdev->dev, "dump mac tnl status\n"); 51889ec9485SYonglong Liu dev_info(&h->pdev->dev, "dump qs shaper [qs id]\n"); 51927cf979aSliuzhongzhu 52027cf979aSliuzhongzhu memset(printf_buf, 0, HNS3_DBG_BUF_LEN); 521ed5b255bSYufeng Mo strncat(printf_buf, "dump reg [[bios common] [ssu <port_id>]", 52227cf979aSliuzhongzhu HNS3_DBG_BUF_LEN - 1); 52327cf979aSliuzhongzhu strncat(printf_buf + strlen(printf_buf), 524ed5b255bSYufeng Mo " [igu egu <port_id>] [rpu <tc_queue_num>]", 52527cf979aSliuzhongzhu HNS3_DBG_BUF_LEN - strlen(printf_buf) - 1); 52627cf979aSliuzhongzhu strncat(printf_buf + strlen(printf_buf), 5275cb51cfeSYufeng Mo " [rtc] [ppp] [rcb] [tqp <queue_num>] [mac]]\n", 52827cf979aSliuzhongzhu HNS3_DBG_BUF_LEN - strlen(printf_buf) - 1); 52927cf979aSliuzhongzhu dev_info(&h->pdev->dev, "%s", printf_buf); 530c0ebebb9Sliuzhongzhu 531c0ebebb9Sliuzhongzhu memset(printf_buf, 0, HNS3_DBG_BUF_LEN); 532ed5b255bSYufeng Mo strncat(printf_buf, "dump reg dcb <port_id> <pri_id> <pg_id>", 533c0ebebb9Sliuzhongzhu HNS3_DBG_BUF_LEN - 1); 534ed5b255bSYufeng Mo strncat(printf_buf + strlen(printf_buf), " <rq_id> <nq_id> <qset_id>\n", 535c0ebebb9Sliuzhongzhu HNS3_DBG_BUF_LEN - strlen(printf_buf) - 1); 536c0ebebb9Sliuzhongzhu dev_info(&h->pdev->dev, "%s", printf_buf); 537b2292360Sliuzhongzhu } 538b2292360Sliuzhongzhu 539c929bc2aSJiaran Zhang static void 540c929bc2aSJiaran Zhang hns3_dbg_dev_caps(struct hnae3_handle *h, char *buf, int len, int *pos) 5419484e337SGuangbin Huang { 5429484e337SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 543c929bc2aSJiaran Zhang static const char * const str[] = {"no", "yes"}; 544c929bc2aSJiaran Zhang unsigned long *caps = ae_dev->caps; 545c929bc2aSJiaran Zhang u32 i, state; 5469484e337SGuangbin Huang 547c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "dev capability:\n"); 5489484e337SGuangbin Huang 549c929bc2aSJiaran Zhang for (i = 0; i < ARRAY_SIZE(hns3_dbg_cap); i++) { 550c929bc2aSJiaran Zhang state = test_bit(hns3_dbg_cap[i].cap_bit, caps); 551c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "%s: %s\n", 552c929bc2aSJiaran Zhang hns3_dbg_cap[i].name, str[state]); 5539484e337SGuangbin Huang } 5549484e337SGuangbin Huang 555c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "\n"); 556c929bc2aSJiaran Zhang } 557c929bc2aSJiaran Zhang 558c929bc2aSJiaran Zhang static void 559c929bc2aSJiaran Zhang hns3_dbg_dev_specs(struct hnae3_handle *h, char *buf, int len, int *pos) 560b4442ec5SGuangbin Huang { 561b4442ec5SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 562b4442ec5SGuangbin Huang struct hnae3_dev_specs *dev_specs = &ae_dev->dev_specs; 563b4442ec5SGuangbin Huang struct hnae3_knic_private_info *kinfo = &h->kinfo; 564b4442ec5SGuangbin Huang 565c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "dev_spec:\n"); 566c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAC entry num: %u\n", 567c929bc2aSJiaran Zhang dev_specs->mac_entry_num); 568c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MNG entry num: %u\n", 569c929bc2aSJiaran Zhang dev_specs->mng_entry_num); 570c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX non tso bd num: %u\n", 571b4442ec5SGuangbin Huang dev_specs->max_non_tso_bd_num); 572c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RSS ind tbl size: %u\n", 573b4442ec5SGuangbin Huang dev_specs->rss_ind_tbl_size); 574c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RSS key size: %u\n", 575c929bc2aSJiaran Zhang dev_specs->rss_key_size); 576c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RSS size: %u\n", 577c929bc2aSJiaran Zhang kinfo->rss_size); 578c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "Allocated RSS size: %u\n", 579c929bc2aSJiaran Zhang kinfo->req_rss_size); 580c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, 581c929bc2aSJiaran Zhang "Task queue pairs numbers: %u\n", 582c929bc2aSJiaran Zhang kinfo->num_tqps); 583c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RX buffer length: %u\n", 584c929bc2aSJiaran Zhang kinfo->rx_buf_len); 585c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "Desc num per TX queue: %u\n", 586c929bc2aSJiaran Zhang kinfo->num_tx_desc); 587c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "Desc num per RX queue: %u\n", 588c929bc2aSJiaran Zhang kinfo->num_rx_desc); 589c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, 590c929bc2aSJiaran Zhang "Total number of enabled TCs: %u\n", 59135244430SJian Shen kinfo->tc_info.num_tc); 592c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX INT QL: %u\n", 593c929bc2aSJiaran Zhang dev_specs->int_ql_max); 594c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX INT GL: %u\n", 595c929bc2aSJiaran Zhang dev_specs->max_int_gl); 596c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX TM RATE: %u\n", 597c929bc2aSJiaran Zhang dev_specs->max_tm_rate); 598c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX QSET number: %u\n", 599c929bc2aSJiaran Zhang dev_specs->max_qset_num); 600c929bc2aSJiaran Zhang } 601c929bc2aSJiaran Zhang 602c929bc2aSJiaran Zhang static int hns3_dbg_dev_info(struct hnae3_handle *h, char *buf, int len) 603c929bc2aSJiaran Zhang { 604c929bc2aSJiaran Zhang int pos = 0; 605c929bc2aSJiaran Zhang 606c929bc2aSJiaran Zhang hns3_dbg_dev_caps(h, buf, len, &pos); 607c929bc2aSJiaran Zhang 608c929bc2aSJiaran Zhang hns3_dbg_dev_specs(h, buf, len, &pos); 609c929bc2aSJiaran Zhang 610c929bc2aSJiaran Zhang return 0; 611b4442ec5SGuangbin Huang } 612b4442ec5SGuangbin Huang 613b2292360Sliuzhongzhu static ssize_t hns3_dbg_cmd_read(struct file *filp, char __user *buffer, 614b2292360Sliuzhongzhu size_t count, loff_t *ppos) 615b2292360Sliuzhongzhu { 616b2292360Sliuzhongzhu int uncopy_bytes; 617b2292360Sliuzhongzhu char *buf; 618b2292360Sliuzhongzhu int len; 619b2292360Sliuzhongzhu 620b2292360Sliuzhongzhu if (*ppos != 0) 621b2292360Sliuzhongzhu return 0; 622b2292360Sliuzhongzhu 623b2292360Sliuzhongzhu if (count < HNS3_DBG_READ_LEN) 624b2292360Sliuzhongzhu return -ENOSPC; 625b2292360Sliuzhongzhu 626b2292360Sliuzhongzhu buf = kzalloc(HNS3_DBG_READ_LEN, GFP_KERNEL); 627b2292360Sliuzhongzhu if (!buf) 628b2292360Sliuzhongzhu return -ENOMEM; 629b2292360Sliuzhongzhu 63049e211c0SChen Zhou len = scnprintf(buf, HNS3_DBG_READ_LEN, "%s\n", 631b2292360Sliuzhongzhu "Please echo help to cmd to get help information"); 632b2292360Sliuzhongzhu uncopy_bytes = copy_to_user(buffer, buf, len); 633b2292360Sliuzhongzhu 634b2292360Sliuzhongzhu kfree(buf); 635b2292360Sliuzhongzhu 636b2292360Sliuzhongzhu if (uncopy_bytes) 637b2292360Sliuzhongzhu return -EFAULT; 638b2292360Sliuzhongzhu 639b2292360Sliuzhongzhu return (*ppos = len); 640b2292360Sliuzhongzhu } 641b2292360Sliuzhongzhu 642c318af3fSPeng Li static int hns3_dbg_check_cmd(struct hnae3_handle *handle, char *cmd_buf) 643c318af3fSPeng Li { 644c318af3fSPeng Li int ret = 0; 645c318af3fSPeng Li 646c318af3fSPeng Li if (strncmp(cmd_buf, "help", 4) == 0) 647c318af3fSPeng Li hns3_dbg_help(handle); 648c318af3fSPeng Li else if (strncmp(cmd_buf, "queue info", 10) == 0) 649c318af3fSPeng Li ret = hns3_dbg_queue_info(handle, cmd_buf); 650c318af3fSPeng Li else if (strncmp(cmd_buf, "queue map", 9) == 0) 651c318af3fSPeng Li ret = hns3_dbg_queue_map(handle); 652c318af3fSPeng Li else if (handle->ae_algo->ops->dbg_run_cmd) 653c318af3fSPeng Li ret = handle->ae_algo->ops->dbg_run_cmd(handle, cmd_buf); 654c318af3fSPeng Li else 655c318af3fSPeng Li ret = -EOPNOTSUPP; 656c318af3fSPeng Li 657c318af3fSPeng Li return ret; 658c318af3fSPeng Li } 659c318af3fSPeng Li 660b2292360Sliuzhongzhu static ssize_t hns3_dbg_cmd_write(struct file *filp, const char __user *buffer, 661b2292360Sliuzhongzhu size_t count, loff_t *ppos) 662b2292360Sliuzhongzhu { 663b2292360Sliuzhongzhu struct hnae3_handle *handle = filp->private_data; 66457ceee2cSliuzhongzhu struct hns3_nic_priv *priv = handle->priv; 665b2292360Sliuzhongzhu char *cmd_buf, *cmd_buf_tmp; 666b2292360Sliuzhongzhu int uncopied_bytes; 667c318af3fSPeng Li int ret; 668b2292360Sliuzhongzhu 669b2292360Sliuzhongzhu if (*ppos != 0) 670b2292360Sliuzhongzhu return 0; 671b2292360Sliuzhongzhu 67257ceee2cSliuzhongzhu /* Judge if the instance is being reset. */ 6737737f1fbSliuzhongzhu if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 67457ceee2cSliuzhongzhu test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) 67557ceee2cSliuzhongzhu return 0; 67657ceee2cSliuzhongzhu 6777ac243f9SYufeng Mo if (count > HNS3_DBG_WRITE_LEN) 6787ac243f9SYufeng Mo return -ENOSPC; 6797ac243f9SYufeng Mo 680b2292360Sliuzhongzhu cmd_buf = kzalloc(count + 1, GFP_KERNEL); 681b2292360Sliuzhongzhu if (!cmd_buf) 682b2292360Sliuzhongzhu return count; 683b2292360Sliuzhongzhu 684b2292360Sliuzhongzhu uncopied_bytes = copy_from_user(cmd_buf, buffer, count); 685b2292360Sliuzhongzhu if (uncopied_bytes) { 686b2292360Sliuzhongzhu kfree(cmd_buf); 687b2292360Sliuzhongzhu return -EFAULT; 688b2292360Sliuzhongzhu } 689b2292360Sliuzhongzhu 690b2292360Sliuzhongzhu cmd_buf[count] = '\0'; 691b2292360Sliuzhongzhu 692b2292360Sliuzhongzhu cmd_buf_tmp = strchr(cmd_buf, '\n'); 693b2292360Sliuzhongzhu if (cmd_buf_tmp) { 694b2292360Sliuzhongzhu *cmd_buf_tmp = '\0'; 695b2292360Sliuzhongzhu count = cmd_buf_tmp - cmd_buf + 1; 696b2292360Sliuzhongzhu } 697b2292360Sliuzhongzhu 698c318af3fSPeng Li ret = hns3_dbg_check_cmd(handle, cmd_buf); 699b2292360Sliuzhongzhu if (ret) 700b2292360Sliuzhongzhu hns3_dbg_help(handle); 701b2292360Sliuzhongzhu 702b2292360Sliuzhongzhu kfree(cmd_buf); 703b2292360Sliuzhongzhu cmd_buf = NULL; 704b2292360Sliuzhongzhu 705b2292360Sliuzhongzhu return count; 706b2292360Sliuzhongzhu } 707b2292360Sliuzhongzhu 7085e69ea7eSYufeng Mo static int hns3_dbg_get_cmd_index(struct hnae3_handle *handle, 7095e69ea7eSYufeng Mo const unsigned char *name, u32 *index) 7105e69ea7eSYufeng Mo { 7115e69ea7eSYufeng Mo u32 i; 7125e69ea7eSYufeng Mo 7135e69ea7eSYufeng Mo for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) { 7145e69ea7eSYufeng Mo if (!strncmp(name, hns3_dbg_cmd[i].name, 7155e69ea7eSYufeng Mo strlen(hns3_dbg_cmd[i].name))) { 7165e69ea7eSYufeng Mo *index = i; 7175e69ea7eSYufeng Mo return 0; 7185e69ea7eSYufeng Mo } 7195e69ea7eSYufeng Mo } 7205e69ea7eSYufeng Mo 7215e69ea7eSYufeng Mo dev_err(&handle->pdev->dev, "unknown command(%s)\n", name); 7225e69ea7eSYufeng Mo return -EINVAL; 7235e69ea7eSYufeng Mo } 7245e69ea7eSYufeng Mo 725c929bc2aSJiaran Zhang static const struct hns3_dbg_func hns3_dbg_cmd_func[] = { 726c929bc2aSJiaran Zhang { 727c929bc2aSJiaran Zhang .cmd = HNAE3_DBG_CMD_DEV_INFO, 728c929bc2aSJiaran Zhang .dbg_dump = hns3_dbg_dev_info, 729c929bc2aSJiaran Zhang }, 73077e91848SHuazhong Tan { 73177e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_TX_BD, 73277e91848SHuazhong Tan .dbg_dump_bd = hns3_dbg_tx_bd_info, 73377e91848SHuazhong Tan }, 73477e91848SHuazhong Tan { 73577e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_RX_BD, 73677e91848SHuazhong Tan .dbg_dump_bd = hns3_dbg_rx_bd_info, 73777e91848SHuazhong Tan }, 738c929bc2aSJiaran Zhang }; 739c929bc2aSJiaran Zhang 74077e91848SHuazhong Tan static int hns3_dbg_read_cmd(struct hns3_dbg_data *dbg_data, 7415e69ea7eSYufeng Mo enum hnae3_dbg_cmd cmd, char *buf, int len) 7425e69ea7eSYufeng Mo { 74377e91848SHuazhong Tan const struct hnae3_ae_ops *ops = dbg_data->handle->ae_algo->ops; 74477e91848SHuazhong Tan const struct hns3_dbg_func *cmd_func; 745c929bc2aSJiaran Zhang u32 i; 746c929bc2aSJiaran Zhang 747c929bc2aSJiaran Zhang for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd_func); i++) { 74877e91848SHuazhong Tan if (cmd == hns3_dbg_cmd_func[i].cmd) { 74977e91848SHuazhong Tan cmd_func = &hns3_dbg_cmd_func[i]; 75077e91848SHuazhong Tan if (cmd_func->dbg_dump) 75177e91848SHuazhong Tan return cmd_func->dbg_dump(dbg_data->handle, buf, 75277e91848SHuazhong Tan len); 75377e91848SHuazhong Tan else 75477e91848SHuazhong Tan return cmd_func->dbg_dump_bd(dbg_data, buf, 75577e91848SHuazhong Tan len); 75677e91848SHuazhong Tan } 757c929bc2aSJiaran Zhang } 7585e69ea7eSYufeng Mo 7595e69ea7eSYufeng Mo if (!ops->dbg_read_cmd) 7605e69ea7eSYufeng Mo return -EOPNOTSUPP; 7615e69ea7eSYufeng Mo 76277e91848SHuazhong Tan return ops->dbg_read_cmd(dbg_data->handle, cmd, buf, len); 7635e69ea7eSYufeng Mo } 7645e69ea7eSYufeng Mo 76504987ca1SGuangbin Huang static ssize_t hns3_dbg_read(struct file *filp, char __user *buffer, 76604987ca1SGuangbin Huang size_t count, loff_t *ppos) 76704987ca1SGuangbin Huang { 76877e91848SHuazhong Tan struct hns3_dbg_data *dbg_data = filp->private_data; 76977e91848SHuazhong Tan struct hnae3_handle *handle = dbg_data->handle; 77004987ca1SGuangbin Huang struct hns3_nic_priv *priv = handle->priv; 77104987ca1SGuangbin Huang ssize_t size = 0; 7725e69ea7eSYufeng Mo char **save_buf; 7735e69ea7eSYufeng Mo char *read_buf; 7745e69ea7eSYufeng Mo u32 index; 7755e69ea7eSYufeng Mo int ret; 77604987ca1SGuangbin Huang 7775e69ea7eSYufeng Mo ret = hns3_dbg_get_cmd_index(handle, filp->f_path.dentry->d_iname, 7785e69ea7eSYufeng Mo &index); 7795e69ea7eSYufeng Mo if (ret) 7805e69ea7eSYufeng Mo return ret; 7815e69ea7eSYufeng Mo 7825e69ea7eSYufeng Mo save_buf = &hns3_dbg_cmd[index].buf; 7835e69ea7eSYufeng Mo 7845e69ea7eSYufeng Mo if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 7855e69ea7eSYufeng Mo test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) { 7865e69ea7eSYufeng Mo ret = -EBUSY; 7875e69ea7eSYufeng Mo goto out; 7885e69ea7eSYufeng Mo } 7895e69ea7eSYufeng Mo 7905e69ea7eSYufeng Mo if (*save_buf) { 7915e69ea7eSYufeng Mo read_buf = *save_buf; 7925e69ea7eSYufeng Mo } else { 7935e69ea7eSYufeng Mo read_buf = kvzalloc(hns3_dbg_cmd[index].buf_len, GFP_KERNEL); 79404987ca1SGuangbin Huang if (!read_buf) 79504987ca1SGuangbin Huang return -ENOMEM; 79604987ca1SGuangbin Huang 7975e69ea7eSYufeng Mo /* save the buffer addr until the last read operation */ 7985e69ea7eSYufeng Mo *save_buf = read_buf; 7995e69ea7eSYufeng Mo } 80004987ca1SGuangbin Huang 8015e69ea7eSYufeng Mo /* get data ready for the first time to read */ 8025e69ea7eSYufeng Mo if (!*ppos) { 80377e91848SHuazhong Tan ret = hns3_dbg_read_cmd(dbg_data, hns3_dbg_cmd[index].cmd, 8045e69ea7eSYufeng Mo read_buf, hns3_dbg_cmd[index].buf_len); 8055e69ea7eSYufeng Mo if (ret) 80604987ca1SGuangbin Huang goto out; 80704987ca1SGuangbin Huang } 80804987ca1SGuangbin Huang 80904987ca1SGuangbin Huang size = simple_read_from_buffer(buffer, count, ppos, read_buf, 81004987ca1SGuangbin Huang strlen(read_buf)); 8115e69ea7eSYufeng Mo if (size > 0) 8125e69ea7eSYufeng Mo return size; 81304987ca1SGuangbin Huang 81404987ca1SGuangbin Huang out: 8155e69ea7eSYufeng Mo /* free the buffer for the last read operation */ 8165e69ea7eSYufeng Mo if (*save_buf) { 8175e69ea7eSYufeng Mo kvfree(*save_buf); 8185e69ea7eSYufeng Mo *save_buf = NULL; 8195e69ea7eSYufeng Mo } 8205e69ea7eSYufeng Mo 8215e69ea7eSYufeng Mo return ret; 82204987ca1SGuangbin Huang } 82304987ca1SGuangbin Huang 824b2292360Sliuzhongzhu static const struct file_operations hns3_dbg_cmd_fops = { 825b2292360Sliuzhongzhu .owner = THIS_MODULE, 826b2292360Sliuzhongzhu .open = simple_open, 827b2292360Sliuzhongzhu .read = hns3_dbg_cmd_read, 828b2292360Sliuzhongzhu .write = hns3_dbg_cmd_write, 829b2292360Sliuzhongzhu }; 830b2292360Sliuzhongzhu 83104987ca1SGuangbin Huang static const struct file_operations hns3_dbg_fops = { 83204987ca1SGuangbin Huang .owner = THIS_MODULE, 83304987ca1SGuangbin Huang .open = simple_open, 83404987ca1SGuangbin Huang .read = hns3_dbg_read, 83504987ca1SGuangbin Huang }; 83604987ca1SGuangbin Huang 83777e91848SHuazhong Tan static int hns3_dbg_bd_file_init(struct hnae3_handle *handle, u32 cmd) 83877e91848SHuazhong Tan { 83977e91848SHuazhong Tan struct dentry *entry_dir; 84077e91848SHuazhong Tan struct hns3_dbg_data *data; 84177e91848SHuazhong Tan u16 max_queue_num; 84277e91848SHuazhong Tan unsigned int i; 84377e91848SHuazhong Tan 84477e91848SHuazhong Tan entry_dir = hns3_dbg_dentry[hns3_dbg_cmd[cmd].dentry].dentry; 84577e91848SHuazhong Tan max_queue_num = hns3_get_max_available_channels(handle); 84677e91848SHuazhong Tan data = devm_kzalloc(&handle->pdev->dev, max_queue_num * sizeof(*data), 84777e91848SHuazhong Tan GFP_KERNEL); 84877e91848SHuazhong Tan if (!data) 84977e91848SHuazhong Tan return -ENOMEM; 85077e91848SHuazhong Tan 85177e91848SHuazhong Tan for (i = 0; i < max_queue_num; i++) { 85277e91848SHuazhong Tan char name[HNS3_DBG_FILE_NAME_LEN]; 85377e91848SHuazhong Tan 85477e91848SHuazhong Tan data[i].handle = handle; 85577e91848SHuazhong Tan data[i].qid = i; 85677e91848SHuazhong Tan sprintf(name, "%s%u", hns3_dbg_cmd[cmd].name, i); 85777e91848SHuazhong Tan debugfs_create_file(name, 0400, entry_dir, &data[i], 85877e91848SHuazhong Tan &hns3_dbg_fops); 85977e91848SHuazhong Tan } 86077e91848SHuazhong Tan 86177e91848SHuazhong Tan return 0; 86277e91848SHuazhong Tan } 86377e91848SHuazhong Tan 8645e69ea7eSYufeng Mo static int 8655e69ea7eSYufeng Mo hns3_dbg_common_file_init(struct hnae3_handle *handle, u32 cmd) 8665e69ea7eSYufeng Mo { 86777e91848SHuazhong Tan struct hns3_dbg_data *data; 8685e69ea7eSYufeng Mo struct dentry *entry_dir; 8695e69ea7eSYufeng Mo 87077e91848SHuazhong Tan data = devm_kzalloc(&handle->pdev->dev, sizeof(*data), GFP_KERNEL); 87177e91848SHuazhong Tan if (!data) 87277e91848SHuazhong Tan return -ENOMEM; 87377e91848SHuazhong Tan 87477e91848SHuazhong Tan data->handle = handle; 8755e69ea7eSYufeng Mo entry_dir = hns3_dbg_dentry[hns3_dbg_cmd[cmd].dentry].dentry; 8765e69ea7eSYufeng Mo debugfs_create_file(hns3_dbg_cmd[cmd].name, 0400, entry_dir, 87777e91848SHuazhong Tan data, &hns3_dbg_fops); 8785e69ea7eSYufeng Mo 8795e69ea7eSYufeng Mo return 0; 8805e69ea7eSYufeng Mo } 8815e69ea7eSYufeng Mo 8825e69ea7eSYufeng Mo int hns3_dbg_init(struct hnae3_handle *handle) 883b2292360Sliuzhongzhu { 88404987ca1SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 885b2292360Sliuzhongzhu const char *name = pci_name(handle->pdev); 8865e69ea7eSYufeng Mo int ret; 8875e69ea7eSYufeng Mo u32 i; 888b2292360Sliuzhongzhu 8895e69ea7eSYufeng Mo hns3_dbg_dentry[HNS3_DBG_DENTRY_COMMON].dentry = 8905e69ea7eSYufeng Mo debugfs_create_dir(name, hns3_dbgfs_root); 8915e69ea7eSYufeng Mo handle->hnae3_dbgfs = hns3_dbg_dentry[HNS3_DBG_DENTRY_COMMON].dentry; 892b2292360Sliuzhongzhu 89311ab11e6SGreg Kroah-Hartman debugfs_create_file("cmd", 0600, handle->hnae3_dbgfs, handle, 894b2292360Sliuzhongzhu &hns3_dbg_cmd_fops); 89504987ca1SGuangbin Huang 8965e69ea7eSYufeng Mo for (i = 0; i < HNS3_DBG_DENTRY_COMMON; i++) 8975e69ea7eSYufeng Mo hns3_dbg_dentry[i].dentry = 8985e69ea7eSYufeng Mo debugfs_create_dir(hns3_dbg_dentry[i].name, 8995e69ea7eSYufeng Mo handle->hnae3_dbgfs); 9005e69ea7eSYufeng Mo 9015e69ea7eSYufeng Mo for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) { 9025e69ea7eSYufeng Mo if (hns3_dbg_cmd[i].cmd == HNAE3_DBG_CMD_TM_NODES && 9035e69ea7eSYufeng Mo ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2) 9045e69ea7eSYufeng Mo continue; 9055e69ea7eSYufeng Mo 9065e69ea7eSYufeng Mo if (!hns3_dbg_cmd[i].init) { 9075e69ea7eSYufeng Mo dev_err(&handle->pdev->dev, 9085e69ea7eSYufeng Mo "cmd %s lack of init func\n", 9095e69ea7eSYufeng Mo hns3_dbg_cmd[i].name); 9105e69ea7eSYufeng Mo ret = -EINVAL; 9115e69ea7eSYufeng Mo goto out; 9125e69ea7eSYufeng Mo } 9135e69ea7eSYufeng Mo 9145e69ea7eSYufeng Mo ret = hns3_dbg_cmd[i].init(handle, i); 9155e69ea7eSYufeng Mo if (ret) { 9165e69ea7eSYufeng Mo dev_err(&handle->pdev->dev, "failed to init cmd %s\n", 9175e69ea7eSYufeng Mo hns3_dbg_cmd[i].name); 9185e69ea7eSYufeng Mo goto out; 9195e69ea7eSYufeng Mo } 9205e69ea7eSYufeng Mo } 9215e69ea7eSYufeng Mo 9225e69ea7eSYufeng Mo return 0; 9235e69ea7eSYufeng Mo 9245e69ea7eSYufeng Mo out: 9255e69ea7eSYufeng Mo debugfs_remove_recursive(handle->hnae3_dbgfs); 9265e69ea7eSYufeng Mo handle->hnae3_dbgfs = NULL; 9275e69ea7eSYufeng Mo return ret; 928b2292360Sliuzhongzhu } 929b2292360Sliuzhongzhu 930b2292360Sliuzhongzhu void hns3_dbg_uninit(struct hnae3_handle *handle) 931b2292360Sliuzhongzhu { 9325e69ea7eSYufeng Mo u32 i; 9335e69ea7eSYufeng Mo 9345e69ea7eSYufeng Mo for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) 9355e69ea7eSYufeng Mo if (hns3_dbg_cmd[i].buf) { 9365e69ea7eSYufeng Mo kvfree(hns3_dbg_cmd[i].buf); 9375e69ea7eSYufeng Mo hns3_dbg_cmd[i].buf = NULL; 9385e69ea7eSYufeng Mo } 9395e69ea7eSYufeng Mo 940b2292360Sliuzhongzhu debugfs_remove_recursive(handle->hnae3_dbgfs); 941b2292360Sliuzhongzhu handle->hnae3_dbgfs = NULL; 942b2292360Sliuzhongzhu } 943b2292360Sliuzhongzhu 944b2292360Sliuzhongzhu void hns3_dbg_register_debugfs(const char *debugfs_dir_name) 945b2292360Sliuzhongzhu { 946b2292360Sliuzhongzhu hns3_dbgfs_root = debugfs_create_dir(debugfs_dir_name, NULL); 947b2292360Sliuzhongzhu } 948b2292360Sliuzhongzhu 949b2292360Sliuzhongzhu void hns3_dbg_unregister_debugfs(void) 950b2292360Sliuzhongzhu { 951b2292360Sliuzhongzhu debugfs_remove_recursive(hns3_dbgfs_root); 952b2292360Sliuzhongzhu hns3_dbgfs_root = NULL; 953b2292360Sliuzhongzhu } 954