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 }, 23*1556ea91SHuazhong Tan { 24*1556ea91SHuazhong Tan .name = "mac_list" 25*1556ea91SHuazhong 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 }, 79*1556ea91SHuazhong Tan { 80*1556ea91SHuazhong Tan .name = "uc", 81*1556ea91SHuazhong Tan .cmd = HNAE3_DBG_CMD_MAC_UC, 82*1556ea91SHuazhong Tan .dentry = HNS3_DBG_DENTRY_MAC, 83*1556ea91SHuazhong Tan .buf_len = HNS3_DBG_READ_LEN, 84*1556ea91SHuazhong Tan .init = hns3_dbg_common_file_init, 85*1556ea91SHuazhong Tan }, 86*1556ea91SHuazhong Tan { 87*1556ea91SHuazhong Tan .name = "mc", 88*1556ea91SHuazhong Tan .cmd = HNAE3_DBG_CMD_MAC_MC, 89*1556ea91SHuazhong Tan .dentry = HNS3_DBG_DENTRY_MAC, 90*1556ea91SHuazhong Tan .buf_len = HNS3_DBG_READ_LEN, 91*1556ea91SHuazhong Tan .init = hns3_dbg_common_file_init, 92*1556ea91SHuazhong Tan }, 93c929bc2aSJiaran Zhang }; 94c929bc2aSJiaran Zhang 95c929bc2aSJiaran Zhang static struct hns3_dbg_cap_info hns3_dbg_cap[] = { 96c929bc2aSJiaran Zhang { 97c929bc2aSJiaran Zhang .name = "support FD", 98c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_FD_B, 99c929bc2aSJiaran Zhang }, { 100c929bc2aSJiaran Zhang .name = "support GRO", 101c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_GRO_B, 102c929bc2aSJiaran Zhang }, { 103c929bc2aSJiaran Zhang .name = "support FEC", 104c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_FEC_B, 105c929bc2aSJiaran Zhang }, { 106c929bc2aSJiaran Zhang .name = "support UDP GSO", 107c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_UDP_GSO_B, 108c929bc2aSJiaran Zhang }, { 109c929bc2aSJiaran Zhang .name = "support PTP", 110c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_PTP_B, 111c929bc2aSJiaran Zhang }, { 112c929bc2aSJiaran Zhang .name = "support INT QL", 113c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_INT_QL_B, 114c929bc2aSJiaran Zhang }, { 115c929bc2aSJiaran Zhang .name = "support HW TX csum", 116c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_HW_TX_CSUM_B, 117c929bc2aSJiaran Zhang }, { 118c929bc2aSJiaran Zhang .name = "support UDP tunnel csum", 119c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_UDP_TUNNEL_CSUM_B, 120c929bc2aSJiaran Zhang }, { 121c929bc2aSJiaran Zhang .name = "support TX push", 122c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_TX_PUSH_B, 123c929bc2aSJiaran Zhang }, { 124c929bc2aSJiaran Zhang .name = "support imp-controlled PHY", 125c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_PHY_IMP_B, 126c929bc2aSJiaran Zhang }, { 127c929bc2aSJiaran Zhang .name = "support rxd advanced layout", 128c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_RXD_ADV_LAYOUT_B, 129c929bc2aSJiaran Zhang }, 1305e69ea7eSYufeng Mo }; 1315e69ea7eSYufeng Mo 13277e91848SHuazhong Tan static void hns3_dbg_fill_content(char *content, u16 len, 13377e91848SHuazhong Tan const struct hns3_dbg_item *items, 13477e91848SHuazhong Tan const char **result, u16 size) 13577e91848SHuazhong Tan { 13677e91848SHuazhong Tan char *pos = content; 13777e91848SHuazhong Tan u16 i; 13877e91848SHuazhong Tan 13977e91848SHuazhong Tan memset(content, ' ', len); 14077e91848SHuazhong Tan for (i = 0; i < size; i++) { 14177e91848SHuazhong Tan if (result) 14277e91848SHuazhong Tan strncpy(pos, result[i], strlen(result[i])); 14377e91848SHuazhong Tan else 14477e91848SHuazhong Tan strncpy(pos, items[i].name, strlen(items[i].name)); 14577e91848SHuazhong Tan 14677e91848SHuazhong Tan pos += strlen(items[i].name) + items[i].interval; 14777e91848SHuazhong Tan } 14877e91848SHuazhong Tan 14977e91848SHuazhong Tan *pos++ = '\n'; 15077e91848SHuazhong Tan *pos++ = '\0'; 15177e91848SHuazhong Tan } 15277e91848SHuazhong Tan 153ebaf1908SWeihang Li static int hns3_dbg_queue_info(struct hnae3_handle *h, 154ebaf1908SWeihang Li const char *cmd_buf) 15557ceee2cSliuzhongzhu { 156dbaae5bbSGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 15757ceee2cSliuzhongzhu struct hns3_nic_priv *priv = h->priv; 15857ceee2cSliuzhongzhu struct hns3_enet_ring *ring; 15957ceee2cSliuzhongzhu u32 base_add_l, base_add_h; 16057ceee2cSliuzhongzhu u32 queue_num, queue_max; 1619d8d5a36SYufeng Mo u32 value, i; 16257ceee2cSliuzhongzhu int cnt; 16357ceee2cSliuzhongzhu 1645f06b903SYunsheng Lin if (!priv->ring) { 1655f06b903SYunsheng Lin dev_err(&h->pdev->dev, "priv->ring is NULL\n"); 16657ceee2cSliuzhongzhu return -EFAULT; 16757ceee2cSliuzhongzhu } 16857ceee2cSliuzhongzhu 16957ceee2cSliuzhongzhu queue_max = h->kinfo.num_tqps; 17057ceee2cSliuzhongzhu cnt = kstrtouint(&cmd_buf[11], 0, &queue_num); 17157ceee2cSliuzhongzhu if (cnt) 17257ceee2cSliuzhongzhu queue_num = 0; 17357ceee2cSliuzhongzhu else 17457ceee2cSliuzhongzhu queue_max = queue_num + 1; 17557ceee2cSliuzhongzhu 17657ceee2cSliuzhongzhu dev_info(&h->pdev->dev, "queue info\n"); 17757ceee2cSliuzhongzhu 17857ceee2cSliuzhongzhu if (queue_num >= h->kinfo.num_tqps) { 17957ceee2cSliuzhongzhu dev_err(&h->pdev->dev, 180ed5b255bSYufeng Mo "Queue number(%u) is out of range(0-%u)\n", queue_num, 18157ceee2cSliuzhongzhu h->kinfo.num_tqps - 1); 18257ceee2cSliuzhongzhu return -EINVAL; 18357ceee2cSliuzhongzhu } 18457ceee2cSliuzhongzhu 18557ceee2cSliuzhongzhu for (i = queue_num; i < queue_max; i++) { 18657ceee2cSliuzhongzhu /* Each cycle needs to determine whether the instance is reset, 18757ceee2cSliuzhongzhu * to prevent reference to invalid memory. And need to ensure 18857ceee2cSliuzhongzhu * that the following code is executed within 100ms. 18957ceee2cSliuzhongzhu */ 1907737f1fbSliuzhongzhu if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 19157ceee2cSliuzhongzhu test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) 19257ceee2cSliuzhongzhu return -EPERM; 19357ceee2cSliuzhongzhu 1945f06b903SYunsheng Lin ring = &priv->ring[(u32)(i + h->kinfo.num_tqps)]; 19557ceee2cSliuzhongzhu base_add_h = readl_relaxed(ring->tqp->io_base + 19657ceee2cSliuzhongzhu HNS3_RING_RX_RING_BASEADDR_H_REG); 19757ceee2cSliuzhongzhu base_add_l = readl_relaxed(ring->tqp->io_base + 19857ceee2cSliuzhongzhu HNS3_RING_RX_RING_BASEADDR_L_REG); 199adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) BASE ADD: 0x%08x%08x\n", i, 20057ceee2cSliuzhongzhu base_add_h, base_add_l); 20157ceee2cSliuzhongzhu 20257ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 20357ceee2cSliuzhongzhu HNS3_RING_RX_RING_BD_NUM_REG); 204adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING BD NUM: %u\n", i, value); 20557ceee2cSliuzhongzhu 20657ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 20757ceee2cSliuzhongzhu HNS3_RING_RX_RING_BD_LEN_REG); 208adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING BD LEN: %u\n", i, value); 20957ceee2cSliuzhongzhu 21057ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 21157ceee2cSliuzhongzhu HNS3_RING_RX_RING_TAIL_REG); 212adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING TAIL: %u\n", i, value); 21357ceee2cSliuzhongzhu 21457ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 21557ceee2cSliuzhongzhu HNS3_RING_RX_RING_HEAD_REG); 216adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING HEAD: %u\n", i, value); 21757ceee2cSliuzhongzhu 21857ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 21957ceee2cSliuzhongzhu HNS3_RING_RX_RING_FBDNUM_REG); 220adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING FBDNUM: %u\n", i, value); 22157ceee2cSliuzhongzhu 22257ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 22357ceee2cSliuzhongzhu HNS3_RING_RX_RING_PKTNUM_RECORD_REG); 224adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING PKTNUM: %u\n", i, value); 22557ceee2cSliuzhongzhu 2265f06b903SYunsheng Lin ring = &priv->ring[i]; 22757ceee2cSliuzhongzhu base_add_h = readl_relaxed(ring->tqp->io_base + 22857ceee2cSliuzhongzhu HNS3_RING_TX_RING_BASEADDR_H_REG); 22957ceee2cSliuzhongzhu base_add_l = readl_relaxed(ring->tqp->io_base + 23057ceee2cSliuzhongzhu HNS3_RING_TX_RING_BASEADDR_L_REG); 231adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) BASE ADD: 0x%08x%08x\n", i, 23257ceee2cSliuzhongzhu base_add_h, base_add_l); 23357ceee2cSliuzhongzhu 23457ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 23557ceee2cSliuzhongzhu HNS3_RING_TX_RING_BD_NUM_REG); 236adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING BD NUM: %u\n", i, value); 23757ceee2cSliuzhongzhu 23857ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 23957ceee2cSliuzhongzhu HNS3_RING_TX_RING_TC_REG); 240adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING TC: %u\n", i, value); 24157ceee2cSliuzhongzhu 24257ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 24357ceee2cSliuzhongzhu HNS3_RING_TX_RING_TAIL_REG); 244adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING TAIL: %u\n", i, value); 24557ceee2cSliuzhongzhu 24657ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 24757ceee2cSliuzhongzhu HNS3_RING_TX_RING_HEAD_REG); 248adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING HEAD: %u\n", i, value); 24957ceee2cSliuzhongzhu 25057ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 25157ceee2cSliuzhongzhu HNS3_RING_TX_RING_FBDNUM_REG); 252adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING FBDNUM: %u\n", i, value); 25357ceee2cSliuzhongzhu 25457ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 25557ceee2cSliuzhongzhu HNS3_RING_TX_RING_OFFSET_REG); 256adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING OFFSET: %u\n", i, value); 25757ceee2cSliuzhongzhu 25857ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 25957ceee2cSliuzhongzhu HNS3_RING_TX_RING_PKTNUM_RECORD_REG); 260dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "TX(%u) RING PKTNUM: %u\n", i, value); 261dbaae5bbSGuangbin Huang 262dbaae5bbSGuangbin Huang value = readl_relaxed(ring->tqp->io_base + HNS3_RING_EN_REG); 263dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "TX/RX(%u) RING EN: %s\n", i, 264dbaae5bbSGuangbin Huang value ? "enable" : "disable"); 265dbaae5bbSGuangbin Huang 266dbaae5bbSGuangbin Huang if (hnae3_ae_dev_tqp_txrx_indep_supported(ae_dev)) { 267dbaae5bbSGuangbin Huang value = readl_relaxed(ring->tqp->io_base + 268dbaae5bbSGuangbin Huang HNS3_RING_TX_EN_REG); 269dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "TX(%u) RING EN: %s\n", i, 270dbaae5bbSGuangbin Huang value ? "enable" : "disable"); 271dbaae5bbSGuangbin Huang 272dbaae5bbSGuangbin Huang value = readl_relaxed(ring->tqp->io_base + 273dbaae5bbSGuangbin Huang HNS3_RING_RX_EN_REG); 274dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "RX(%u) RING EN: %s\n", i, 275dbaae5bbSGuangbin Huang value ? "enable" : "disable"); 276dbaae5bbSGuangbin Huang } 277dbaae5bbSGuangbin Huang 278dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "\n"); 27957ceee2cSliuzhongzhu } 28057ceee2cSliuzhongzhu 28157ceee2cSliuzhongzhu return 0; 28257ceee2cSliuzhongzhu } 28357ceee2cSliuzhongzhu 2840c29d191Sliuzhongzhu static int hns3_dbg_queue_map(struct hnae3_handle *h) 2850c29d191Sliuzhongzhu { 2860c29d191Sliuzhongzhu struct hns3_nic_priv *priv = h->priv; 2870c29d191Sliuzhongzhu int i; 2880c29d191Sliuzhongzhu 2890c29d191Sliuzhongzhu if (!h->ae_algo->ops->get_global_queue_id) 2900c29d191Sliuzhongzhu return -EOPNOTSUPP; 2910c29d191Sliuzhongzhu 2920c29d191Sliuzhongzhu dev_info(&h->pdev->dev, "map info for queue id and vector id\n"); 2930c29d191Sliuzhongzhu dev_info(&h->pdev->dev, 2940c29d191Sliuzhongzhu "local queue id | global queue id | vector id\n"); 2950c29d191Sliuzhongzhu for (i = 0; i < h->kinfo.num_tqps; i++) { 2960c29d191Sliuzhongzhu u16 global_qid; 2970c29d191Sliuzhongzhu 2980c29d191Sliuzhongzhu global_qid = h->ae_algo->ops->get_global_queue_id(h, i); 2995f06b903SYunsheng Lin if (!priv->ring || !priv->ring[i].tqp_vector) 3000c29d191Sliuzhongzhu continue; 3010c29d191Sliuzhongzhu 3020c29d191Sliuzhongzhu dev_info(&h->pdev->dev, 303c5aaf176SJiaran Zhang " %4d %4u %4d\n", 3045f06b903SYunsheng Lin i, global_qid, priv->ring[i].tqp_vector->vector_irq); 3050c29d191Sliuzhongzhu } 3060c29d191Sliuzhongzhu 3070c29d191Sliuzhongzhu return 0; 3080c29d191Sliuzhongzhu } 3090c29d191Sliuzhongzhu 31077e91848SHuazhong Tan static const struct hns3_dbg_item rx_bd_info_items[] = { 31177e91848SHuazhong Tan { "BD_IDX", 3 }, 31277e91848SHuazhong Tan { "L234_INFO", 2 }, 31377e91848SHuazhong Tan { "PKT_LEN", 3 }, 31477e91848SHuazhong Tan { "SIZE", 4 }, 31577e91848SHuazhong Tan { "RSS_HASH", 4 }, 31677e91848SHuazhong Tan { "FD_ID", 2 }, 31777e91848SHuazhong Tan { "VLAN_TAG", 2 }, 31877e91848SHuazhong Tan { "O_DM_VLAN_ID_FB", 2 }, 31977e91848SHuazhong Tan { "OT_VLAN_TAG", 2 }, 32077e91848SHuazhong Tan { "BD_BASE_INFO", 2 }, 32177e91848SHuazhong Tan { "PTYPE", 2 }, 32277e91848SHuazhong Tan { "HW_CSUM", 2 }, 32377e91848SHuazhong Tan }; 32477e91848SHuazhong Tan 32577e91848SHuazhong Tan static void hns3_dump_rx_bd_info(struct hns3_nic_priv *priv, 32677e91848SHuazhong Tan struct hns3_desc *desc, char **result, int idx) 327122bedc5Sliuzhongzhu { 32877e91848SHuazhong Tan unsigned int j = 0; 329122bedc5Sliuzhongzhu 33077e91848SHuazhong Tan sprintf(result[j++], "%5d", idx); 33177e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.l234_info)); 33277e91848SHuazhong Tan sprintf(result[j++], "%7u", le16_to_cpu(desc->rx.pkt_len)); 33377e91848SHuazhong Tan sprintf(result[j++], "%4u", le16_to_cpu(desc->rx.size)); 33477e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.rss_hash)); 33577e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->rx.fd_id)); 33677e91848SHuazhong Tan sprintf(result[j++], "%8u", le16_to_cpu(desc->rx.vlan_tag)); 33777e91848SHuazhong Tan sprintf(result[j++], "%15u", le16_to_cpu(desc->rx.o_dm_vlan_id_fb)); 33877e91848SHuazhong Tan sprintf(result[j++], "%11u", le16_to_cpu(desc->rx.ot_vlan_tag)); 33977e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.bd_base_info)); 34077e91848SHuazhong Tan if (test_bit(HNS3_NIC_STATE_RXD_ADV_LAYOUT_ENABLE, &priv->state)) { 34177e91848SHuazhong Tan u32 ol_info = le32_to_cpu(desc->rx.ol_info); 342122bedc5Sliuzhongzhu 34377e91848SHuazhong Tan sprintf(result[j++], "%5lu", hnae3_get_field(ol_info, 34477e91848SHuazhong Tan HNS3_RXD_PTYPE_M, 34577e91848SHuazhong Tan HNS3_RXD_PTYPE_S)); 34677e91848SHuazhong Tan sprintf(result[j++], "%7u", le16_to_cpu(desc->csum)); 347b1533adaSHuazhong Tan } else { 34877e91848SHuazhong Tan sprintf(result[j++], "NA"); 34977e91848SHuazhong Tan sprintf(result[j++], "NA"); 35077e91848SHuazhong Tan } 351b1533adaSHuazhong Tan } 352b1533adaSHuazhong Tan 35377e91848SHuazhong Tan static int hns3_dbg_rx_bd_info(struct hns3_dbg_data *d, char *buf, int len) 35477e91848SHuazhong Tan { 35577e91848SHuazhong Tan char data_str[ARRAY_SIZE(rx_bd_info_items)][HNS3_DBG_DATA_STR_LEN]; 35677e91848SHuazhong Tan struct hns3_nic_priv *priv = d->handle->priv; 35777e91848SHuazhong Tan char *result[ARRAY_SIZE(rx_bd_info_items)]; 35877e91848SHuazhong Tan char content[HNS3_DBG_INFO_LEN]; 35977e91848SHuazhong Tan struct hns3_enet_ring *ring; 36077e91848SHuazhong Tan struct hns3_desc *desc; 36177e91848SHuazhong Tan unsigned int i; 36277e91848SHuazhong Tan int pos = 0; 363122bedc5Sliuzhongzhu 36477e91848SHuazhong Tan if (d->qid >= d->handle->kinfo.num_tqps) { 36577e91848SHuazhong Tan dev_err(&d->handle->pdev->dev, 36677e91848SHuazhong Tan "queue%u is not in use\n", d->qid); 36777e91848SHuazhong Tan return -EINVAL; 36877e91848SHuazhong Tan } 369122bedc5Sliuzhongzhu 37077e91848SHuazhong Tan for (i = 0; i < ARRAY_SIZE(rx_bd_info_items); i++) 37177e91848SHuazhong Tan result[i] = &data_str[i][0]; 372b1533adaSHuazhong Tan 37377e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, 37477e91848SHuazhong Tan "Queue %u rx bd info:\n", d->qid); 37577e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), rx_bd_info_items, 37677e91848SHuazhong Tan NULL, ARRAY_SIZE(rx_bd_info_items)); 37777e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 37877e91848SHuazhong Tan 37977e91848SHuazhong Tan ring = &priv->ring[d->qid + d->handle->kinfo.num_tqps]; 38077e91848SHuazhong Tan for (i = 0; i < ring->desc_num; i++) { 38177e91848SHuazhong Tan desc = &ring->desc[i]; 38277e91848SHuazhong Tan 38377e91848SHuazhong Tan hns3_dump_rx_bd_info(priv, desc, result, i); 38477e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), 38577e91848SHuazhong Tan rx_bd_info_items, (const char **)result, 38677e91848SHuazhong Tan ARRAY_SIZE(rx_bd_info_items)); 38777e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 38877e91848SHuazhong Tan } 38977e91848SHuazhong Tan 39077e91848SHuazhong Tan return 0; 39177e91848SHuazhong Tan } 39277e91848SHuazhong Tan 39377e91848SHuazhong Tan static const struct hns3_dbg_item tx_bd_info_items[] = { 39477e91848SHuazhong Tan { "BD_IDX", 5 }, 39577e91848SHuazhong Tan { "ADDRESS", 2 }, 39677e91848SHuazhong Tan { "VLAN_TAG", 2 }, 39777e91848SHuazhong Tan { "SIZE", 2 }, 39877e91848SHuazhong Tan { "T_CS_VLAN_TSO", 2 }, 39977e91848SHuazhong Tan { "OT_VLAN_TAG", 3 }, 40077e91848SHuazhong Tan { "TV", 2 }, 40177e91848SHuazhong Tan { "OLT_VLAN_LEN", 2}, 40277e91848SHuazhong Tan { "PAYLEN_OL4CS", 2}, 40377e91848SHuazhong Tan { "BD_FE_SC_VLD", 2}, 40477e91848SHuazhong Tan { "MSS_HW_CSUM", 0}, 40577e91848SHuazhong Tan }; 40677e91848SHuazhong Tan 40777e91848SHuazhong Tan static void hns3_dump_tx_bd_info(struct hns3_nic_priv *priv, 40877e91848SHuazhong Tan struct hns3_desc *desc, char **result, int idx) 40977e91848SHuazhong Tan { 41077e91848SHuazhong Tan unsigned int j = 0; 41177e91848SHuazhong Tan 41277e91848SHuazhong Tan sprintf(result[j++], "%6d", idx); 41377e91848SHuazhong Tan sprintf(result[j++], "%#llx", le64_to_cpu(desc->addr)); 41477e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.vlan_tag)); 41577e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.send_size)); 41677e91848SHuazhong Tan sprintf(result[j++], "%#x", 41777e91848SHuazhong Tan le32_to_cpu(desc->tx.type_cs_vlan_tso_len)); 41877e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.outer_vlan_tag)); 41977e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.tv)); 42077e91848SHuazhong Tan sprintf(result[j++], "%10u", 42177e91848SHuazhong Tan le32_to_cpu(desc->tx.ol_type_vlan_len_msec)); 42277e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->tx.paylen_ol4cs)); 42377e91848SHuazhong Tan sprintf(result[j++], "%#x", le16_to_cpu(desc->tx.bdtp_fe_sc_vld_ra_ri)); 42477e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.mss_hw_csum)); 42577e91848SHuazhong Tan } 42677e91848SHuazhong Tan 42777e91848SHuazhong Tan static int hns3_dbg_tx_bd_info(struct hns3_dbg_data *d, char *buf, int len) 42877e91848SHuazhong Tan { 42977e91848SHuazhong Tan char data_str[ARRAY_SIZE(tx_bd_info_items)][HNS3_DBG_DATA_STR_LEN]; 43077e91848SHuazhong Tan struct hns3_nic_priv *priv = d->handle->priv; 43177e91848SHuazhong Tan char *result[ARRAY_SIZE(tx_bd_info_items)]; 43277e91848SHuazhong Tan char content[HNS3_DBG_INFO_LEN]; 43377e91848SHuazhong Tan struct hns3_enet_ring *ring; 43477e91848SHuazhong Tan struct hns3_desc *desc; 43577e91848SHuazhong Tan unsigned int i; 43677e91848SHuazhong Tan int pos = 0; 43777e91848SHuazhong Tan 43877e91848SHuazhong Tan if (d->qid >= d->handle->kinfo.num_tqps) { 43977e91848SHuazhong Tan dev_err(&d->handle->pdev->dev, 44077e91848SHuazhong Tan "queue%u is not in use\n", d->qid); 44177e91848SHuazhong Tan return -EINVAL; 44277e91848SHuazhong Tan } 44377e91848SHuazhong Tan 44477e91848SHuazhong Tan for (i = 0; i < ARRAY_SIZE(tx_bd_info_items); i++) 44577e91848SHuazhong Tan result[i] = &data_str[i][0]; 44677e91848SHuazhong Tan 44777e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, 44877e91848SHuazhong Tan "Queue %u tx bd info:\n", d->qid); 44977e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), tx_bd_info_items, 45077e91848SHuazhong Tan NULL, ARRAY_SIZE(tx_bd_info_items)); 45177e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 45277e91848SHuazhong Tan 45377e91848SHuazhong Tan ring = &priv->ring[d->qid]; 45477e91848SHuazhong Tan for (i = 0; i < ring->desc_num; i++) { 45577e91848SHuazhong Tan desc = &ring->desc[i]; 45677e91848SHuazhong Tan 45777e91848SHuazhong Tan hns3_dump_tx_bd_info(priv, desc, result, i); 45877e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), 45977e91848SHuazhong Tan tx_bd_info_items, (const char **)result, 46077e91848SHuazhong Tan ARRAY_SIZE(tx_bd_info_items)); 46177e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 46277e91848SHuazhong Tan } 463122bedc5Sliuzhongzhu 464122bedc5Sliuzhongzhu return 0; 465122bedc5Sliuzhongzhu } 466122bedc5Sliuzhongzhu 467b2292360Sliuzhongzhu static void hns3_dbg_help(struct hnae3_handle *h) 468b2292360Sliuzhongzhu { 46927cf979aSliuzhongzhu #define HNS3_DBG_BUF_LEN 256 47027cf979aSliuzhongzhu 47127cf979aSliuzhongzhu char printf_buf[HNS3_DBG_BUF_LEN]; 47227cf979aSliuzhongzhu 473b2292360Sliuzhongzhu dev_info(&h->pdev->dev, "available commands\n"); 474ed5b255bSYufeng Mo dev_info(&h->pdev->dev, "queue info <number>\n"); 4750c29d191Sliuzhongzhu dev_info(&h->pdev->dev, "queue map\n"); 47697afd47bSYufeng Mo 47797afd47bSYufeng Mo if (!hns3_is_phys_func(h->pdev)) 47897afd47bSYufeng Mo return; 47997afd47bSYufeng Mo 480b2292360Sliuzhongzhu dev_info(&h->pdev->dev, "dump fd tcam\n"); 4812849d4e7Sliuzhongzhu dev_info(&h->pdev->dev, "dump tc\n"); 482ed5b255bSYufeng Mo dev_info(&h->pdev->dev, "dump tm map <q_num>\n"); 48396227f4cSliuzhongzhu dev_info(&h->pdev->dev, "dump tm\n"); 484d958919dSliuzhongzhu dev_info(&h->pdev->dev, "dump qos pause cfg\n"); 4856fc22440Sliuzhongzhu dev_info(&h->pdev->dev, "dump qos pri map\n"); 4867d9d7f88Sliuzhongzhu dev_info(&h->pdev->dev, "dump qos buf cfg\n"); 4877737f1fbSliuzhongzhu dev_info(&h->pdev->dev, "dump mng tbl\n"); 488f02eb82dSHuazhong Tan dev_info(&h->pdev->dev, "dump reset info\n"); 48933a90e2fSZhongzhu Liu dev_info(&h->pdev->dev, "dump m7 info\n"); 490ffd140e2SWeihang Li dev_info(&h->pdev->dev, "dump ncl_config <offset> <length>(in hex)\n"); 491a6345787SWeihang Li dev_info(&h->pdev->dev, "dump mac tnl status\n"); 492ded45d40SYufeng Mo dev_info(&h->pdev->dev, "dump loopback\n"); 49389ec9485SYonglong Liu dev_info(&h->pdev->dev, "dump qs shaper [qs id]\n"); 494348775ebSYufeng Mo dev_info(&h->pdev->dev, "dump intr\n"); 49527cf979aSliuzhongzhu 49627cf979aSliuzhongzhu memset(printf_buf, 0, HNS3_DBG_BUF_LEN); 497ed5b255bSYufeng Mo strncat(printf_buf, "dump reg [[bios common] [ssu <port_id>]", 49827cf979aSliuzhongzhu HNS3_DBG_BUF_LEN - 1); 49927cf979aSliuzhongzhu strncat(printf_buf + strlen(printf_buf), 500ed5b255bSYufeng Mo " [igu egu <port_id>] [rpu <tc_queue_num>]", 50127cf979aSliuzhongzhu HNS3_DBG_BUF_LEN - strlen(printf_buf) - 1); 50227cf979aSliuzhongzhu strncat(printf_buf + strlen(printf_buf), 5035cb51cfeSYufeng Mo " [rtc] [ppp] [rcb] [tqp <queue_num>] [mac]]\n", 50427cf979aSliuzhongzhu HNS3_DBG_BUF_LEN - strlen(printf_buf) - 1); 50527cf979aSliuzhongzhu dev_info(&h->pdev->dev, "%s", printf_buf); 506c0ebebb9Sliuzhongzhu 507c0ebebb9Sliuzhongzhu memset(printf_buf, 0, HNS3_DBG_BUF_LEN); 508ed5b255bSYufeng Mo strncat(printf_buf, "dump reg dcb <port_id> <pri_id> <pg_id>", 509c0ebebb9Sliuzhongzhu HNS3_DBG_BUF_LEN - 1); 510ed5b255bSYufeng Mo strncat(printf_buf + strlen(printf_buf), " <rq_id> <nq_id> <qset_id>\n", 511c0ebebb9Sliuzhongzhu HNS3_DBG_BUF_LEN - strlen(printf_buf) - 1); 512c0ebebb9Sliuzhongzhu dev_info(&h->pdev->dev, "%s", printf_buf); 513b2292360Sliuzhongzhu } 514b2292360Sliuzhongzhu 515c929bc2aSJiaran Zhang static void 516c929bc2aSJiaran Zhang hns3_dbg_dev_caps(struct hnae3_handle *h, char *buf, int len, int *pos) 5179484e337SGuangbin Huang { 5189484e337SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 519c929bc2aSJiaran Zhang static const char * const str[] = {"no", "yes"}; 520c929bc2aSJiaran Zhang unsigned long *caps = ae_dev->caps; 521c929bc2aSJiaran Zhang u32 i, state; 5229484e337SGuangbin Huang 523c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "dev capability:\n"); 5249484e337SGuangbin Huang 525c929bc2aSJiaran Zhang for (i = 0; i < ARRAY_SIZE(hns3_dbg_cap); i++) { 526c929bc2aSJiaran Zhang state = test_bit(hns3_dbg_cap[i].cap_bit, caps); 527c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "%s: %s\n", 528c929bc2aSJiaran Zhang hns3_dbg_cap[i].name, str[state]); 5299484e337SGuangbin Huang } 5309484e337SGuangbin Huang 531c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "\n"); 532c929bc2aSJiaran Zhang } 533c929bc2aSJiaran Zhang 534c929bc2aSJiaran Zhang static void 535c929bc2aSJiaran Zhang hns3_dbg_dev_specs(struct hnae3_handle *h, char *buf, int len, int *pos) 536b4442ec5SGuangbin Huang { 537b4442ec5SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 538b4442ec5SGuangbin Huang struct hnae3_dev_specs *dev_specs = &ae_dev->dev_specs; 539b4442ec5SGuangbin Huang struct hnae3_knic_private_info *kinfo = &h->kinfo; 540b4442ec5SGuangbin Huang 541c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "dev_spec:\n"); 542c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAC entry num: %u\n", 543c929bc2aSJiaran Zhang dev_specs->mac_entry_num); 544c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MNG entry num: %u\n", 545c929bc2aSJiaran Zhang dev_specs->mng_entry_num); 546c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX non tso bd num: %u\n", 547b4442ec5SGuangbin Huang dev_specs->max_non_tso_bd_num); 548c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RSS ind tbl size: %u\n", 549b4442ec5SGuangbin Huang dev_specs->rss_ind_tbl_size); 550c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RSS key size: %u\n", 551c929bc2aSJiaran Zhang dev_specs->rss_key_size); 552c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RSS size: %u\n", 553c929bc2aSJiaran Zhang kinfo->rss_size); 554c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "Allocated RSS size: %u\n", 555c929bc2aSJiaran Zhang kinfo->req_rss_size); 556c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, 557c929bc2aSJiaran Zhang "Task queue pairs numbers: %u\n", 558c929bc2aSJiaran Zhang kinfo->num_tqps); 559c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RX buffer length: %u\n", 560c929bc2aSJiaran Zhang kinfo->rx_buf_len); 561c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "Desc num per TX queue: %u\n", 562c929bc2aSJiaran Zhang kinfo->num_tx_desc); 563c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "Desc num per RX queue: %u\n", 564c929bc2aSJiaran Zhang kinfo->num_rx_desc); 565c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, 566c929bc2aSJiaran Zhang "Total number of enabled TCs: %u\n", 56735244430SJian Shen kinfo->tc_info.num_tc); 568c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX INT QL: %u\n", 569c929bc2aSJiaran Zhang dev_specs->int_ql_max); 570c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX INT GL: %u\n", 571c929bc2aSJiaran Zhang dev_specs->max_int_gl); 572c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX TM RATE: %u\n", 573c929bc2aSJiaran Zhang dev_specs->max_tm_rate); 574c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX QSET number: %u\n", 575c929bc2aSJiaran Zhang dev_specs->max_qset_num); 576c929bc2aSJiaran Zhang } 577c929bc2aSJiaran Zhang 578c929bc2aSJiaran Zhang static int hns3_dbg_dev_info(struct hnae3_handle *h, char *buf, int len) 579c929bc2aSJiaran Zhang { 580c929bc2aSJiaran Zhang int pos = 0; 581c929bc2aSJiaran Zhang 582c929bc2aSJiaran Zhang hns3_dbg_dev_caps(h, buf, len, &pos); 583c929bc2aSJiaran Zhang 584c929bc2aSJiaran Zhang hns3_dbg_dev_specs(h, buf, len, &pos); 585c929bc2aSJiaran Zhang 586c929bc2aSJiaran Zhang return 0; 587b4442ec5SGuangbin Huang } 588b4442ec5SGuangbin Huang 589b2292360Sliuzhongzhu static ssize_t hns3_dbg_cmd_read(struct file *filp, char __user *buffer, 590b2292360Sliuzhongzhu size_t count, loff_t *ppos) 591b2292360Sliuzhongzhu { 592b2292360Sliuzhongzhu int uncopy_bytes; 593b2292360Sliuzhongzhu char *buf; 594b2292360Sliuzhongzhu int len; 595b2292360Sliuzhongzhu 596b2292360Sliuzhongzhu if (*ppos != 0) 597b2292360Sliuzhongzhu return 0; 598b2292360Sliuzhongzhu 599b2292360Sliuzhongzhu if (count < HNS3_DBG_READ_LEN) 600b2292360Sliuzhongzhu return -ENOSPC; 601b2292360Sliuzhongzhu 602b2292360Sliuzhongzhu buf = kzalloc(HNS3_DBG_READ_LEN, GFP_KERNEL); 603b2292360Sliuzhongzhu if (!buf) 604b2292360Sliuzhongzhu return -ENOMEM; 605b2292360Sliuzhongzhu 60649e211c0SChen Zhou len = scnprintf(buf, HNS3_DBG_READ_LEN, "%s\n", 607b2292360Sliuzhongzhu "Please echo help to cmd to get help information"); 608b2292360Sliuzhongzhu uncopy_bytes = copy_to_user(buffer, buf, len); 609b2292360Sliuzhongzhu 610b2292360Sliuzhongzhu kfree(buf); 611b2292360Sliuzhongzhu 612b2292360Sliuzhongzhu if (uncopy_bytes) 613b2292360Sliuzhongzhu return -EFAULT; 614b2292360Sliuzhongzhu 615b2292360Sliuzhongzhu return (*ppos = len); 616b2292360Sliuzhongzhu } 617b2292360Sliuzhongzhu 618c318af3fSPeng Li static int hns3_dbg_check_cmd(struct hnae3_handle *handle, char *cmd_buf) 619c318af3fSPeng Li { 620c318af3fSPeng Li int ret = 0; 621c318af3fSPeng Li 622c318af3fSPeng Li if (strncmp(cmd_buf, "help", 4) == 0) 623c318af3fSPeng Li hns3_dbg_help(handle); 624c318af3fSPeng Li else if (strncmp(cmd_buf, "queue info", 10) == 0) 625c318af3fSPeng Li ret = hns3_dbg_queue_info(handle, cmd_buf); 626c318af3fSPeng Li else if (strncmp(cmd_buf, "queue map", 9) == 0) 627c318af3fSPeng Li ret = hns3_dbg_queue_map(handle); 628c318af3fSPeng Li else if (handle->ae_algo->ops->dbg_run_cmd) 629c318af3fSPeng Li ret = handle->ae_algo->ops->dbg_run_cmd(handle, cmd_buf); 630c318af3fSPeng Li else 631c318af3fSPeng Li ret = -EOPNOTSUPP; 632c318af3fSPeng Li 633c318af3fSPeng Li return ret; 634c318af3fSPeng Li } 635c318af3fSPeng Li 636b2292360Sliuzhongzhu static ssize_t hns3_dbg_cmd_write(struct file *filp, const char __user *buffer, 637b2292360Sliuzhongzhu size_t count, loff_t *ppos) 638b2292360Sliuzhongzhu { 639b2292360Sliuzhongzhu struct hnae3_handle *handle = filp->private_data; 64057ceee2cSliuzhongzhu struct hns3_nic_priv *priv = handle->priv; 641b2292360Sliuzhongzhu char *cmd_buf, *cmd_buf_tmp; 642b2292360Sliuzhongzhu int uncopied_bytes; 643c318af3fSPeng Li int ret; 644b2292360Sliuzhongzhu 645b2292360Sliuzhongzhu if (*ppos != 0) 646b2292360Sliuzhongzhu return 0; 647b2292360Sliuzhongzhu 64857ceee2cSliuzhongzhu /* Judge if the instance is being reset. */ 6497737f1fbSliuzhongzhu if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 65057ceee2cSliuzhongzhu test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) 65157ceee2cSliuzhongzhu return 0; 65257ceee2cSliuzhongzhu 6537ac243f9SYufeng Mo if (count > HNS3_DBG_WRITE_LEN) 6547ac243f9SYufeng Mo return -ENOSPC; 6557ac243f9SYufeng Mo 656b2292360Sliuzhongzhu cmd_buf = kzalloc(count + 1, GFP_KERNEL); 657b2292360Sliuzhongzhu if (!cmd_buf) 658b2292360Sliuzhongzhu return count; 659b2292360Sliuzhongzhu 660b2292360Sliuzhongzhu uncopied_bytes = copy_from_user(cmd_buf, buffer, count); 661b2292360Sliuzhongzhu if (uncopied_bytes) { 662b2292360Sliuzhongzhu kfree(cmd_buf); 663b2292360Sliuzhongzhu return -EFAULT; 664b2292360Sliuzhongzhu } 665b2292360Sliuzhongzhu 666b2292360Sliuzhongzhu cmd_buf[count] = '\0'; 667b2292360Sliuzhongzhu 668b2292360Sliuzhongzhu cmd_buf_tmp = strchr(cmd_buf, '\n'); 669b2292360Sliuzhongzhu if (cmd_buf_tmp) { 670b2292360Sliuzhongzhu *cmd_buf_tmp = '\0'; 671b2292360Sliuzhongzhu count = cmd_buf_tmp - cmd_buf + 1; 672b2292360Sliuzhongzhu } 673b2292360Sliuzhongzhu 674c318af3fSPeng Li ret = hns3_dbg_check_cmd(handle, cmd_buf); 675b2292360Sliuzhongzhu if (ret) 676b2292360Sliuzhongzhu hns3_dbg_help(handle); 677b2292360Sliuzhongzhu 678b2292360Sliuzhongzhu kfree(cmd_buf); 679b2292360Sliuzhongzhu cmd_buf = NULL; 680b2292360Sliuzhongzhu 681b2292360Sliuzhongzhu return count; 682b2292360Sliuzhongzhu } 683b2292360Sliuzhongzhu 6845e69ea7eSYufeng Mo static int hns3_dbg_get_cmd_index(struct hnae3_handle *handle, 6855e69ea7eSYufeng Mo const unsigned char *name, u32 *index) 6865e69ea7eSYufeng Mo { 6875e69ea7eSYufeng Mo u32 i; 6885e69ea7eSYufeng Mo 6895e69ea7eSYufeng Mo for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) { 6905e69ea7eSYufeng Mo if (!strncmp(name, hns3_dbg_cmd[i].name, 6915e69ea7eSYufeng Mo strlen(hns3_dbg_cmd[i].name))) { 6925e69ea7eSYufeng Mo *index = i; 6935e69ea7eSYufeng Mo return 0; 6945e69ea7eSYufeng Mo } 6955e69ea7eSYufeng Mo } 6965e69ea7eSYufeng Mo 6975e69ea7eSYufeng Mo dev_err(&handle->pdev->dev, "unknown command(%s)\n", name); 6985e69ea7eSYufeng Mo return -EINVAL; 6995e69ea7eSYufeng Mo } 7005e69ea7eSYufeng Mo 701c929bc2aSJiaran Zhang static const struct hns3_dbg_func hns3_dbg_cmd_func[] = { 702c929bc2aSJiaran Zhang { 703c929bc2aSJiaran Zhang .cmd = HNAE3_DBG_CMD_DEV_INFO, 704c929bc2aSJiaran Zhang .dbg_dump = hns3_dbg_dev_info, 705c929bc2aSJiaran Zhang }, 70677e91848SHuazhong Tan { 70777e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_TX_BD, 70877e91848SHuazhong Tan .dbg_dump_bd = hns3_dbg_tx_bd_info, 70977e91848SHuazhong Tan }, 71077e91848SHuazhong Tan { 71177e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_RX_BD, 71277e91848SHuazhong Tan .dbg_dump_bd = hns3_dbg_rx_bd_info, 71377e91848SHuazhong Tan }, 714c929bc2aSJiaran Zhang }; 715c929bc2aSJiaran Zhang 71677e91848SHuazhong Tan static int hns3_dbg_read_cmd(struct hns3_dbg_data *dbg_data, 7175e69ea7eSYufeng Mo enum hnae3_dbg_cmd cmd, char *buf, int len) 7185e69ea7eSYufeng Mo { 71977e91848SHuazhong Tan const struct hnae3_ae_ops *ops = dbg_data->handle->ae_algo->ops; 72077e91848SHuazhong Tan const struct hns3_dbg_func *cmd_func; 721c929bc2aSJiaran Zhang u32 i; 722c929bc2aSJiaran Zhang 723c929bc2aSJiaran Zhang for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd_func); i++) { 72477e91848SHuazhong Tan if (cmd == hns3_dbg_cmd_func[i].cmd) { 72577e91848SHuazhong Tan cmd_func = &hns3_dbg_cmd_func[i]; 72677e91848SHuazhong Tan if (cmd_func->dbg_dump) 72777e91848SHuazhong Tan return cmd_func->dbg_dump(dbg_data->handle, buf, 72877e91848SHuazhong Tan len); 72977e91848SHuazhong Tan else 73077e91848SHuazhong Tan return cmd_func->dbg_dump_bd(dbg_data, buf, 73177e91848SHuazhong Tan len); 73277e91848SHuazhong Tan } 733c929bc2aSJiaran Zhang } 7345e69ea7eSYufeng Mo 7355e69ea7eSYufeng Mo if (!ops->dbg_read_cmd) 7365e69ea7eSYufeng Mo return -EOPNOTSUPP; 7375e69ea7eSYufeng Mo 73877e91848SHuazhong Tan return ops->dbg_read_cmd(dbg_data->handle, cmd, buf, len); 7395e69ea7eSYufeng Mo } 7405e69ea7eSYufeng Mo 74104987ca1SGuangbin Huang static ssize_t hns3_dbg_read(struct file *filp, char __user *buffer, 74204987ca1SGuangbin Huang size_t count, loff_t *ppos) 74304987ca1SGuangbin Huang { 74477e91848SHuazhong Tan struct hns3_dbg_data *dbg_data = filp->private_data; 74577e91848SHuazhong Tan struct hnae3_handle *handle = dbg_data->handle; 74604987ca1SGuangbin Huang struct hns3_nic_priv *priv = handle->priv; 74704987ca1SGuangbin Huang ssize_t size = 0; 7485e69ea7eSYufeng Mo char **save_buf; 7495e69ea7eSYufeng Mo char *read_buf; 7505e69ea7eSYufeng Mo u32 index; 7515e69ea7eSYufeng Mo int ret; 75204987ca1SGuangbin Huang 7535e69ea7eSYufeng Mo ret = hns3_dbg_get_cmd_index(handle, filp->f_path.dentry->d_iname, 7545e69ea7eSYufeng Mo &index); 7555e69ea7eSYufeng Mo if (ret) 7565e69ea7eSYufeng Mo return ret; 7575e69ea7eSYufeng Mo 7585e69ea7eSYufeng Mo save_buf = &hns3_dbg_cmd[index].buf; 7595e69ea7eSYufeng Mo 7605e69ea7eSYufeng Mo if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 7615e69ea7eSYufeng Mo test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) { 7625e69ea7eSYufeng Mo ret = -EBUSY; 7635e69ea7eSYufeng Mo goto out; 7645e69ea7eSYufeng Mo } 7655e69ea7eSYufeng Mo 7665e69ea7eSYufeng Mo if (*save_buf) { 7675e69ea7eSYufeng Mo read_buf = *save_buf; 7685e69ea7eSYufeng Mo } else { 7695e69ea7eSYufeng Mo read_buf = kvzalloc(hns3_dbg_cmd[index].buf_len, GFP_KERNEL); 77004987ca1SGuangbin Huang if (!read_buf) 77104987ca1SGuangbin Huang return -ENOMEM; 77204987ca1SGuangbin Huang 7735e69ea7eSYufeng Mo /* save the buffer addr until the last read operation */ 7745e69ea7eSYufeng Mo *save_buf = read_buf; 7755e69ea7eSYufeng Mo } 77604987ca1SGuangbin Huang 7775e69ea7eSYufeng Mo /* get data ready for the first time to read */ 7785e69ea7eSYufeng Mo if (!*ppos) { 77977e91848SHuazhong Tan ret = hns3_dbg_read_cmd(dbg_data, hns3_dbg_cmd[index].cmd, 7805e69ea7eSYufeng Mo read_buf, hns3_dbg_cmd[index].buf_len); 7815e69ea7eSYufeng Mo if (ret) 78204987ca1SGuangbin Huang goto out; 78304987ca1SGuangbin Huang } 78404987ca1SGuangbin Huang 78504987ca1SGuangbin Huang size = simple_read_from_buffer(buffer, count, ppos, read_buf, 78604987ca1SGuangbin Huang strlen(read_buf)); 7875e69ea7eSYufeng Mo if (size > 0) 7885e69ea7eSYufeng Mo return size; 78904987ca1SGuangbin Huang 79004987ca1SGuangbin Huang out: 7915e69ea7eSYufeng Mo /* free the buffer for the last read operation */ 7925e69ea7eSYufeng Mo if (*save_buf) { 7935e69ea7eSYufeng Mo kvfree(*save_buf); 7945e69ea7eSYufeng Mo *save_buf = NULL; 7955e69ea7eSYufeng Mo } 7965e69ea7eSYufeng Mo 7975e69ea7eSYufeng Mo return ret; 79804987ca1SGuangbin Huang } 79904987ca1SGuangbin Huang 800b2292360Sliuzhongzhu static const struct file_operations hns3_dbg_cmd_fops = { 801b2292360Sliuzhongzhu .owner = THIS_MODULE, 802b2292360Sliuzhongzhu .open = simple_open, 803b2292360Sliuzhongzhu .read = hns3_dbg_cmd_read, 804b2292360Sliuzhongzhu .write = hns3_dbg_cmd_write, 805b2292360Sliuzhongzhu }; 806b2292360Sliuzhongzhu 80704987ca1SGuangbin Huang static const struct file_operations hns3_dbg_fops = { 80804987ca1SGuangbin Huang .owner = THIS_MODULE, 80904987ca1SGuangbin Huang .open = simple_open, 81004987ca1SGuangbin Huang .read = hns3_dbg_read, 81104987ca1SGuangbin Huang }; 81204987ca1SGuangbin Huang 81377e91848SHuazhong Tan static int hns3_dbg_bd_file_init(struct hnae3_handle *handle, u32 cmd) 81477e91848SHuazhong Tan { 81577e91848SHuazhong Tan struct dentry *entry_dir; 81677e91848SHuazhong Tan struct hns3_dbg_data *data; 81777e91848SHuazhong Tan u16 max_queue_num; 81877e91848SHuazhong Tan unsigned int i; 81977e91848SHuazhong Tan 82077e91848SHuazhong Tan entry_dir = hns3_dbg_dentry[hns3_dbg_cmd[cmd].dentry].dentry; 82177e91848SHuazhong Tan max_queue_num = hns3_get_max_available_channels(handle); 82277e91848SHuazhong Tan data = devm_kzalloc(&handle->pdev->dev, max_queue_num * sizeof(*data), 82377e91848SHuazhong Tan GFP_KERNEL); 82477e91848SHuazhong Tan if (!data) 82577e91848SHuazhong Tan return -ENOMEM; 82677e91848SHuazhong Tan 82777e91848SHuazhong Tan for (i = 0; i < max_queue_num; i++) { 82877e91848SHuazhong Tan char name[HNS3_DBG_FILE_NAME_LEN]; 82977e91848SHuazhong Tan 83077e91848SHuazhong Tan data[i].handle = handle; 83177e91848SHuazhong Tan data[i].qid = i; 83277e91848SHuazhong Tan sprintf(name, "%s%u", hns3_dbg_cmd[cmd].name, i); 83377e91848SHuazhong Tan debugfs_create_file(name, 0400, entry_dir, &data[i], 83477e91848SHuazhong Tan &hns3_dbg_fops); 83577e91848SHuazhong Tan } 83677e91848SHuazhong Tan 83777e91848SHuazhong Tan return 0; 83877e91848SHuazhong Tan } 83977e91848SHuazhong Tan 8405e69ea7eSYufeng Mo static int 8415e69ea7eSYufeng Mo hns3_dbg_common_file_init(struct hnae3_handle *handle, u32 cmd) 8425e69ea7eSYufeng Mo { 84377e91848SHuazhong Tan struct hns3_dbg_data *data; 8445e69ea7eSYufeng Mo struct dentry *entry_dir; 8455e69ea7eSYufeng Mo 84677e91848SHuazhong Tan data = devm_kzalloc(&handle->pdev->dev, sizeof(*data), GFP_KERNEL); 84777e91848SHuazhong Tan if (!data) 84877e91848SHuazhong Tan return -ENOMEM; 84977e91848SHuazhong Tan 85077e91848SHuazhong Tan data->handle = handle; 8515e69ea7eSYufeng Mo entry_dir = hns3_dbg_dentry[hns3_dbg_cmd[cmd].dentry].dentry; 8525e69ea7eSYufeng Mo debugfs_create_file(hns3_dbg_cmd[cmd].name, 0400, entry_dir, 85377e91848SHuazhong Tan data, &hns3_dbg_fops); 8545e69ea7eSYufeng Mo 8555e69ea7eSYufeng Mo return 0; 8565e69ea7eSYufeng Mo } 8575e69ea7eSYufeng Mo 8585e69ea7eSYufeng Mo int hns3_dbg_init(struct hnae3_handle *handle) 859b2292360Sliuzhongzhu { 86004987ca1SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 861b2292360Sliuzhongzhu const char *name = pci_name(handle->pdev); 8625e69ea7eSYufeng Mo int ret; 8635e69ea7eSYufeng Mo u32 i; 864b2292360Sliuzhongzhu 8655e69ea7eSYufeng Mo hns3_dbg_dentry[HNS3_DBG_DENTRY_COMMON].dentry = 8665e69ea7eSYufeng Mo debugfs_create_dir(name, hns3_dbgfs_root); 8675e69ea7eSYufeng Mo handle->hnae3_dbgfs = hns3_dbg_dentry[HNS3_DBG_DENTRY_COMMON].dentry; 868b2292360Sliuzhongzhu 86911ab11e6SGreg Kroah-Hartman debugfs_create_file("cmd", 0600, handle->hnae3_dbgfs, handle, 870b2292360Sliuzhongzhu &hns3_dbg_cmd_fops); 87104987ca1SGuangbin Huang 8725e69ea7eSYufeng Mo for (i = 0; i < HNS3_DBG_DENTRY_COMMON; i++) 8735e69ea7eSYufeng Mo hns3_dbg_dentry[i].dentry = 8745e69ea7eSYufeng Mo debugfs_create_dir(hns3_dbg_dentry[i].name, 8755e69ea7eSYufeng Mo handle->hnae3_dbgfs); 8765e69ea7eSYufeng Mo 8775e69ea7eSYufeng Mo for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) { 8785e69ea7eSYufeng Mo if (hns3_dbg_cmd[i].cmd == HNAE3_DBG_CMD_TM_NODES && 8795e69ea7eSYufeng Mo ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2) 8805e69ea7eSYufeng Mo continue; 8815e69ea7eSYufeng Mo 8825e69ea7eSYufeng Mo if (!hns3_dbg_cmd[i].init) { 8835e69ea7eSYufeng Mo dev_err(&handle->pdev->dev, 8845e69ea7eSYufeng Mo "cmd %s lack of init func\n", 8855e69ea7eSYufeng Mo hns3_dbg_cmd[i].name); 8865e69ea7eSYufeng Mo ret = -EINVAL; 8875e69ea7eSYufeng Mo goto out; 8885e69ea7eSYufeng Mo } 8895e69ea7eSYufeng Mo 8905e69ea7eSYufeng Mo ret = hns3_dbg_cmd[i].init(handle, i); 8915e69ea7eSYufeng Mo if (ret) { 8925e69ea7eSYufeng Mo dev_err(&handle->pdev->dev, "failed to init cmd %s\n", 8935e69ea7eSYufeng Mo hns3_dbg_cmd[i].name); 8945e69ea7eSYufeng Mo goto out; 8955e69ea7eSYufeng Mo } 8965e69ea7eSYufeng Mo } 8975e69ea7eSYufeng Mo 8985e69ea7eSYufeng Mo return 0; 8995e69ea7eSYufeng Mo 9005e69ea7eSYufeng Mo out: 9015e69ea7eSYufeng Mo debugfs_remove_recursive(handle->hnae3_dbgfs); 9025e69ea7eSYufeng Mo handle->hnae3_dbgfs = NULL; 9035e69ea7eSYufeng Mo return ret; 904b2292360Sliuzhongzhu } 905b2292360Sliuzhongzhu 906b2292360Sliuzhongzhu void hns3_dbg_uninit(struct hnae3_handle *handle) 907b2292360Sliuzhongzhu { 9085e69ea7eSYufeng Mo u32 i; 9095e69ea7eSYufeng Mo 9105e69ea7eSYufeng Mo for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) 9115e69ea7eSYufeng Mo if (hns3_dbg_cmd[i].buf) { 9125e69ea7eSYufeng Mo kvfree(hns3_dbg_cmd[i].buf); 9135e69ea7eSYufeng Mo hns3_dbg_cmd[i].buf = NULL; 9145e69ea7eSYufeng Mo } 9155e69ea7eSYufeng Mo 916b2292360Sliuzhongzhu debugfs_remove_recursive(handle->hnae3_dbgfs); 917b2292360Sliuzhongzhu handle->hnae3_dbgfs = NULL; 918b2292360Sliuzhongzhu } 919b2292360Sliuzhongzhu 920b2292360Sliuzhongzhu void hns3_dbg_register_debugfs(const char *debugfs_dir_name) 921b2292360Sliuzhongzhu { 922b2292360Sliuzhongzhu hns3_dbgfs_root = debugfs_create_dir(debugfs_dir_name, NULL); 923b2292360Sliuzhongzhu } 924b2292360Sliuzhongzhu 925b2292360Sliuzhongzhu void hns3_dbg_unregister_debugfs(void) 926b2292360Sliuzhongzhu { 927b2292360Sliuzhongzhu debugfs_remove_recursive(hns3_dbgfs_root); 928b2292360Sliuzhongzhu hns3_dbgfs_root = NULL; 929b2292360Sliuzhongzhu } 930