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 }, 17*77e91848SHuazhong Tan { 18*77e91848SHuazhong Tan .name = "tx_bd_info" 19*77e91848SHuazhong Tan }, 20*77e91848SHuazhong Tan { 21*77e91848SHuazhong Tan .name = "rx_bd_info" 22*77e91848SHuazhong Tan }, 235e69ea7eSYufeng Mo /* keep common at the bottom and add new directory above */ 245e69ea7eSYufeng Mo { 255e69ea7eSYufeng Mo .name = "common" 265e69ea7eSYufeng Mo }, 275e69ea7eSYufeng Mo }; 285e69ea7eSYufeng Mo 29*77e91848SHuazhong Tan static int hns3_dbg_bd_file_init(struct hnae3_handle *handle, unsigned int cmd); 305e69ea7eSYufeng Mo static int hns3_dbg_common_file_init(struct hnae3_handle *handle, 315e69ea7eSYufeng Mo unsigned int cmd); 325e69ea7eSYufeng Mo 335e69ea7eSYufeng Mo static struct hns3_dbg_cmd_info hns3_dbg_cmd[] = { 345e69ea7eSYufeng Mo { 355e69ea7eSYufeng Mo .name = "tm_nodes", 365e69ea7eSYufeng Mo .cmd = HNAE3_DBG_CMD_TM_NODES, 375e69ea7eSYufeng Mo .dentry = HNS3_DBG_DENTRY_TM, 385e69ea7eSYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 395e69ea7eSYufeng Mo .init = hns3_dbg_common_file_init, 405e69ea7eSYufeng Mo }, 415e69ea7eSYufeng Mo { 425e69ea7eSYufeng Mo .name = "tm_priority", 435e69ea7eSYufeng Mo .cmd = HNAE3_DBG_CMD_TM_PRI, 445e69ea7eSYufeng Mo .dentry = HNS3_DBG_DENTRY_TM, 455e69ea7eSYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 465e69ea7eSYufeng Mo .init = hns3_dbg_common_file_init, 475e69ea7eSYufeng Mo }, 485e69ea7eSYufeng Mo { 495e69ea7eSYufeng Mo .name = "tm_qset", 505e69ea7eSYufeng Mo .cmd = HNAE3_DBG_CMD_TM_QSET, 515e69ea7eSYufeng Mo .dentry = HNS3_DBG_DENTRY_TM, 525e69ea7eSYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 535e69ea7eSYufeng Mo .init = hns3_dbg_common_file_init, 545e69ea7eSYufeng Mo }, 55c929bc2aSJiaran Zhang { 56c929bc2aSJiaran Zhang .name = "dev_info", 57c929bc2aSJiaran Zhang .cmd = HNAE3_DBG_CMD_DEV_INFO, 58c929bc2aSJiaran Zhang .dentry = HNS3_DBG_DENTRY_COMMON, 59c929bc2aSJiaran Zhang .buf_len = HNS3_DBG_READ_LEN, 60c929bc2aSJiaran Zhang .init = hns3_dbg_common_file_init, 61c929bc2aSJiaran Zhang }, 62*77e91848SHuazhong Tan { 63*77e91848SHuazhong Tan .name = "tx_bd_queue", 64*77e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_TX_BD, 65*77e91848SHuazhong Tan .dentry = HNS3_DBG_DENTRY_TX_BD, 66*77e91848SHuazhong Tan .buf_len = HNS3_DBG_READ_LEN_4MB, 67*77e91848SHuazhong Tan .init = hns3_dbg_bd_file_init, 68*77e91848SHuazhong Tan }, 69*77e91848SHuazhong Tan { 70*77e91848SHuazhong Tan .name = "rx_bd_queue", 71*77e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_RX_BD, 72*77e91848SHuazhong Tan .dentry = HNS3_DBG_DENTRY_RX_BD, 73*77e91848SHuazhong Tan .buf_len = HNS3_DBG_READ_LEN_4MB, 74*77e91848SHuazhong Tan .init = hns3_dbg_bd_file_init, 75*77e91848SHuazhong Tan }, 76c929bc2aSJiaran Zhang }; 77c929bc2aSJiaran Zhang 78c929bc2aSJiaran Zhang static struct hns3_dbg_cap_info hns3_dbg_cap[] = { 79c929bc2aSJiaran Zhang { 80c929bc2aSJiaran Zhang .name = "support FD", 81c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_FD_B, 82c929bc2aSJiaran Zhang }, { 83c929bc2aSJiaran Zhang .name = "support GRO", 84c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_GRO_B, 85c929bc2aSJiaran Zhang }, { 86c929bc2aSJiaran Zhang .name = "support FEC", 87c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_FEC_B, 88c929bc2aSJiaran Zhang }, { 89c929bc2aSJiaran Zhang .name = "support UDP GSO", 90c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_UDP_GSO_B, 91c929bc2aSJiaran Zhang }, { 92c929bc2aSJiaran Zhang .name = "support PTP", 93c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_PTP_B, 94c929bc2aSJiaran Zhang }, { 95c929bc2aSJiaran Zhang .name = "support INT QL", 96c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_INT_QL_B, 97c929bc2aSJiaran Zhang }, { 98c929bc2aSJiaran Zhang .name = "support HW TX csum", 99c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_HW_TX_CSUM_B, 100c929bc2aSJiaran Zhang }, { 101c929bc2aSJiaran Zhang .name = "support UDP tunnel csum", 102c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_UDP_TUNNEL_CSUM_B, 103c929bc2aSJiaran Zhang }, { 104c929bc2aSJiaran Zhang .name = "support TX push", 105c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_TX_PUSH_B, 106c929bc2aSJiaran Zhang }, { 107c929bc2aSJiaran Zhang .name = "support imp-controlled PHY", 108c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_PHY_IMP_B, 109c929bc2aSJiaran Zhang }, { 110c929bc2aSJiaran Zhang .name = "support rxd advanced layout", 111c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_RXD_ADV_LAYOUT_B, 112c929bc2aSJiaran Zhang }, 1135e69ea7eSYufeng Mo }; 1145e69ea7eSYufeng Mo 115*77e91848SHuazhong Tan static void hns3_dbg_fill_content(char *content, u16 len, 116*77e91848SHuazhong Tan const struct hns3_dbg_item *items, 117*77e91848SHuazhong Tan const char **result, u16 size) 118*77e91848SHuazhong Tan { 119*77e91848SHuazhong Tan char *pos = content; 120*77e91848SHuazhong Tan u16 i; 121*77e91848SHuazhong Tan 122*77e91848SHuazhong Tan memset(content, ' ', len); 123*77e91848SHuazhong Tan for (i = 0; i < size; i++) { 124*77e91848SHuazhong Tan if (result) 125*77e91848SHuazhong Tan strncpy(pos, result[i], strlen(result[i])); 126*77e91848SHuazhong Tan else 127*77e91848SHuazhong Tan strncpy(pos, items[i].name, strlen(items[i].name)); 128*77e91848SHuazhong Tan 129*77e91848SHuazhong Tan pos += strlen(items[i].name) + items[i].interval; 130*77e91848SHuazhong Tan } 131*77e91848SHuazhong Tan 132*77e91848SHuazhong Tan *pos++ = '\n'; 133*77e91848SHuazhong Tan *pos++ = '\0'; 134*77e91848SHuazhong Tan } 135*77e91848SHuazhong Tan 136ebaf1908SWeihang Li static int hns3_dbg_queue_info(struct hnae3_handle *h, 137ebaf1908SWeihang Li const char *cmd_buf) 13857ceee2cSliuzhongzhu { 139dbaae5bbSGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 14057ceee2cSliuzhongzhu struct hns3_nic_priv *priv = h->priv; 14157ceee2cSliuzhongzhu struct hns3_enet_ring *ring; 14257ceee2cSliuzhongzhu u32 base_add_l, base_add_h; 14357ceee2cSliuzhongzhu u32 queue_num, queue_max; 1449d8d5a36SYufeng Mo u32 value, i; 14557ceee2cSliuzhongzhu int cnt; 14657ceee2cSliuzhongzhu 1475f06b903SYunsheng Lin if (!priv->ring) { 1485f06b903SYunsheng Lin dev_err(&h->pdev->dev, "priv->ring is NULL\n"); 14957ceee2cSliuzhongzhu return -EFAULT; 15057ceee2cSliuzhongzhu } 15157ceee2cSliuzhongzhu 15257ceee2cSliuzhongzhu queue_max = h->kinfo.num_tqps; 15357ceee2cSliuzhongzhu cnt = kstrtouint(&cmd_buf[11], 0, &queue_num); 15457ceee2cSliuzhongzhu if (cnt) 15557ceee2cSliuzhongzhu queue_num = 0; 15657ceee2cSliuzhongzhu else 15757ceee2cSliuzhongzhu queue_max = queue_num + 1; 15857ceee2cSliuzhongzhu 15957ceee2cSliuzhongzhu dev_info(&h->pdev->dev, "queue info\n"); 16057ceee2cSliuzhongzhu 16157ceee2cSliuzhongzhu if (queue_num >= h->kinfo.num_tqps) { 16257ceee2cSliuzhongzhu dev_err(&h->pdev->dev, 163ed5b255bSYufeng Mo "Queue number(%u) is out of range(0-%u)\n", queue_num, 16457ceee2cSliuzhongzhu h->kinfo.num_tqps - 1); 16557ceee2cSliuzhongzhu return -EINVAL; 16657ceee2cSliuzhongzhu } 16757ceee2cSliuzhongzhu 16857ceee2cSliuzhongzhu for (i = queue_num; i < queue_max; i++) { 16957ceee2cSliuzhongzhu /* Each cycle needs to determine whether the instance is reset, 17057ceee2cSliuzhongzhu * to prevent reference to invalid memory. And need to ensure 17157ceee2cSliuzhongzhu * that the following code is executed within 100ms. 17257ceee2cSliuzhongzhu */ 1737737f1fbSliuzhongzhu if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 17457ceee2cSliuzhongzhu test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) 17557ceee2cSliuzhongzhu return -EPERM; 17657ceee2cSliuzhongzhu 1775f06b903SYunsheng Lin ring = &priv->ring[(u32)(i + h->kinfo.num_tqps)]; 17857ceee2cSliuzhongzhu base_add_h = readl_relaxed(ring->tqp->io_base + 17957ceee2cSliuzhongzhu HNS3_RING_RX_RING_BASEADDR_H_REG); 18057ceee2cSliuzhongzhu base_add_l = readl_relaxed(ring->tqp->io_base + 18157ceee2cSliuzhongzhu HNS3_RING_RX_RING_BASEADDR_L_REG); 182adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) BASE ADD: 0x%08x%08x\n", i, 18357ceee2cSliuzhongzhu base_add_h, base_add_l); 18457ceee2cSliuzhongzhu 18557ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 18657ceee2cSliuzhongzhu HNS3_RING_RX_RING_BD_NUM_REG); 187adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING BD NUM: %u\n", i, value); 18857ceee2cSliuzhongzhu 18957ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 19057ceee2cSliuzhongzhu HNS3_RING_RX_RING_BD_LEN_REG); 191adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING BD LEN: %u\n", i, value); 19257ceee2cSliuzhongzhu 19357ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 19457ceee2cSliuzhongzhu HNS3_RING_RX_RING_TAIL_REG); 195adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING TAIL: %u\n", i, value); 19657ceee2cSliuzhongzhu 19757ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 19857ceee2cSliuzhongzhu HNS3_RING_RX_RING_HEAD_REG); 199adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING HEAD: %u\n", i, value); 20057ceee2cSliuzhongzhu 20157ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 20257ceee2cSliuzhongzhu HNS3_RING_RX_RING_FBDNUM_REG); 203adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING FBDNUM: %u\n", i, value); 20457ceee2cSliuzhongzhu 20557ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 20657ceee2cSliuzhongzhu HNS3_RING_RX_RING_PKTNUM_RECORD_REG); 207adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING PKTNUM: %u\n", i, value); 20857ceee2cSliuzhongzhu 2095f06b903SYunsheng Lin ring = &priv->ring[i]; 21057ceee2cSliuzhongzhu base_add_h = readl_relaxed(ring->tqp->io_base + 21157ceee2cSliuzhongzhu HNS3_RING_TX_RING_BASEADDR_H_REG); 21257ceee2cSliuzhongzhu base_add_l = readl_relaxed(ring->tqp->io_base + 21357ceee2cSliuzhongzhu HNS3_RING_TX_RING_BASEADDR_L_REG); 214adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) BASE ADD: 0x%08x%08x\n", i, 21557ceee2cSliuzhongzhu base_add_h, base_add_l); 21657ceee2cSliuzhongzhu 21757ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 21857ceee2cSliuzhongzhu HNS3_RING_TX_RING_BD_NUM_REG); 219adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING BD NUM: %u\n", i, value); 22057ceee2cSliuzhongzhu 22157ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 22257ceee2cSliuzhongzhu HNS3_RING_TX_RING_TC_REG); 223adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING TC: %u\n", i, value); 22457ceee2cSliuzhongzhu 22557ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 22657ceee2cSliuzhongzhu HNS3_RING_TX_RING_TAIL_REG); 227adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING TAIL: %u\n", i, value); 22857ceee2cSliuzhongzhu 22957ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 23057ceee2cSliuzhongzhu HNS3_RING_TX_RING_HEAD_REG); 231adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING HEAD: %u\n", i, value); 23257ceee2cSliuzhongzhu 23357ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 23457ceee2cSliuzhongzhu HNS3_RING_TX_RING_FBDNUM_REG); 235adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING FBDNUM: %u\n", i, value); 23657ceee2cSliuzhongzhu 23757ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 23857ceee2cSliuzhongzhu HNS3_RING_TX_RING_OFFSET_REG); 239adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING OFFSET: %u\n", i, value); 24057ceee2cSliuzhongzhu 24157ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 24257ceee2cSliuzhongzhu HNS3_RING_TX_RING_PKTNUM_RECORD_REG); 243dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "TX(%u) RING PKTNUM: %u\n", i, value); 244dbaae5bbSGuangbin Huang 245dbaae5bbSGuangbin Huang value = readl_relaxed(ring->tqp->io_base + HNS3_RING_EN_REG); 246dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "TX/RX(%u) RING EN: %s\n", i, 247dbaae5bbSGuangbin Huang value ? "enable" : "disable"); 248dbaae5bbSGuangbin Huang 249dbaae5bbSGuangbin Huang if (hnae3_ae_dev_tqp_txrx_indep_supported(ae_dev)) { 250dbaae5bbSGuangbin Huang value = readl_relaxed(ring->tqp->io_base + 251dbaae5bbSGuangbin Huang HNS3_RING_TX_EN_REG); 252dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "TX(%u) RING EN: %s\n", i, 253dbaae5bbSGuangbin Huang value ? "enable" : "disable"); 254dbaae5bbSGuangbin Huang 255dbaae5bbSGuangbin Huang value = readl_relaxed(ring->tqp->io_base + 256dbaae5bbSGuangbin Huang HNS3_RING_RX_EN_REG); 257dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "RX(%u) RING EN: %s\n", i, 258dbaae5bbSGuangbin Huang value ? "enable" : "disable"); 259dbaae5bbSGuangbin Huang } 260dbaae5bbSGuangbin Huang 261dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "\n"); 26257ceee2cSliuzhongzhu } 26357ceee2cSliuzhongzhu 26457ceee2cSliuzhongzhu return 0; 26557ceee2cSliuzhongzhu } 26657ceee2cSliuzhongzhu 2670c29d191Sliuzhongzhu static int hns3_dbg_queue_map(struct hnae3_handle *h) 2680c29d191Sliuzhongzhu { 2690c29d191Sliuzhongzhu struct hns3_nic_priv *priv = h->priv; 2700c29d191Sliuzhongzhu int i; 2710c29d191Sliuzhongzhu 2720c29d191Sliuzhongzhu if (!h->ae_algo->ops->get_global_queue_id) 2730c29d191Sliuzhongzhu return -EOPNOTSUPP; 2740c29d191Sliuzhongzhu 2750c29d191Sliuzhongzhu dev_info(&h->pdev->dev, "map info for queue id and vector id\n"); 2760c29d191Sliuzhongzhu dev_info(&h->pdev->dev, 2770c29d191Sliuzhongzhu "local queue id | global queue id | vector id\n"); 2780c29d191Sliuzhongzhu for (i = 0; i < h->kinfo.num_tqps; i++) { 2790c29d191Sliuzhongzhu u16 global_qid; 2800c29d191Sliuzhongzhu 2810c29d191Sliuzhongzhu global_qid = h->ae_algo->ops->get_global_queue_id(h, i); 2825f06b903SYunsheng Lin if (!priv->ring || !priv->ring[i].tqp_vector) 2830c29d191Sliuzhongzhu continue; 2840c29d191Sliuzhongzhu 2850c29d191Sliuzhongzhu dev_info(&h->pdev->dev, 286c5aaf176SJiaran Zhang " %4d %4u %4d\n", 2875f06b903SYunsheng Lin i, global_qid, priv->ring[i].tqp_vector->vector_irq); 2880c29d191Sliuzhongzhu } 2890c29d191Sliuzhongzhu 2900c29d191Sliuzhongzhu return 0; 2910c29d191Sliuzhongzhu } 2920c29d191Sliuzhongzhu 293*77e91848SHuazhong Tan static const struct hns3_dbg_item rx_bd_info_items[] = { 294*77e91848SHuazhong Tan { "BD_IDX", 3 }, 295*77e91848SHuazhong Tan { "L234_INFO", 2 }, 296*77e91848SHuazhong Tan { "PKT_LEN", 3 }, 297*77e91848SHuazhong Tan { "SIZE", 4 }, 298*77e91848SHuazhong Tan { "RSS_HASH", 4 }, 299*77e91848SHuazhong Tan { "FD_ID", 2 }, 300*77e91848SHuazhong Tan { "VLAN_TAG", 2 }, 301*77e91848SHuazhong Tan { "O_DM_VLAN_ID_FB", 2 }, 302*77e91848SHuazhong Tan { "OT_VLAN_TAG", 2 }, 303*77e91848SHuazhong Tan { "BD_BASE_INFO", 2 }, 304*77e91848SHuazhong Tan { "PTYPE", 2 }, 305*77e91848SHuazhong Tan { "HW_CSUM", 2 }, 306*77e91848SHuazhong Tan }; 307*77e91848SHuazhong Tan 308*77e91848SHuazhong Tan static void hns3_dump_rx_bd_info(struct hns3_nic_priv *priv, 309*77e91848SHuazhong Tan struct hns3_desc *desc, char **result, int idx) 310122bedc5Sliuzhongzhu { 311*77e91848SHuazhong Tan unsigned int j = 0; 312122bedc5Sliuzhongzhu 313*77e91848SHuazhong Tan sprintf(result[j++], "%5d", idx); 314*77e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.l234_info)); 315*77e91848SHuazhong Tan sprintf(result[j++], "%7u", le16_to_cpu(desc->rx.pkt_len)); 316*77e91848SHuazhong Tan sprintf(result[j++], "%4u", le16_to_cpu(desc->rx.size)); 317*77e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.rss_hash)); 318*77e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->rx.fd_id)); 319*77e91848SHuazhong Tan sprintf(result[j++], "%8u", le16_to_cpu(desc->rx.vlan_tag)); 320*77e91848SHuazhong Tan sprintf(result[j++], "%15u", le16_to_cpu(desc->rx.o_dm_vlan_id_fb)); 321*77e91848SHuazhong Tan sprintf(result[j++], "%11u", le16_to_cpu(desc->rx.ot_vlan_tag)); 322*77e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.bd_base_info)); 323*77e91848SHuazhong Tan if (test_bit(HNS3_NIC_STATE_RXD_ADV_LAYOUT_ENABLE, &priv->state)) { 324*77e91848SHuazhong Tan u32 ol_info = le32_to_cpu(desc->rx.ol_info); 325122bedc5Sliuzhongzhu 326*77e91848SHuazhong Tan sprintf(result[j++], "%5lu", hnae3_get_field(ol_info, 327*77e91848SHuazhong Tan HNS3_RXD_PTYPE_M, 328*77e91848SHuazhong Tan HNS3_RXD_PTYPE_S)); 329*77e91848SHuazhong Tan sprintf(result[j++], "%7u", le16_to_cpu(desc->csum)); 330b1533adaSHuazhong Tan } else { 331*77e91848SHuazhong Tan sprintf(result[j++], "NA"); 332*77e91848SHuazhong Tan sprintf(result[j++], "NA"); 333*77e91848SHuazhong Tan } 334b1533adaSHuazhong Tan } 335b1533adaSHuazhong Tan 336*77e91848SHuazhong Tan static int hns3_dbg_rx_bd_info(struct hns3_dbg_data *d, char *buf, int len) 337*77e91848SHuazhong Tan { 338*77e91848SHuazhong Tan char data_str[ARRAY_SIZE(rx_bd_info_items)][HNS3_DBG_DATA_STR_LEN]; 339*77e91848SHuazhong Tan struct hns3_nic_priv *priv = d->handle->priv; 340*77e91848SHuazhong Tan char *result[ARRAY_SIZE(rx_bd_info_items)]; 341*77e91848SHuazhong Tan char content[HNS3_DBG_INFO_LEN]; 342*77e91848SHuazhong Tan struct hns3_enet_ring *ring; 343*77e91848SHuazhong Tan struct hns3_desc *desc; 344*77e91848SHuazhong Tan unsigned int i; 345*77e91848SHuazhong Tan int pos = 0; 346122bedc5Sliuzhongzhu 347*77e91848SHuazhong Tan if (d->qid >= d->handle->kinfo.num_tqps) { 348*77e91848SHuazhong Tan dev_err(&d->handle->pdev->dev, 349*77e91848SHuazhong Tan "queue%u is not in use\n", d->qid); 350*77e91848SHuazhong Tan return -EINVAL; 351*77e91848SHuazhong Tan } 352122bedc5Sliuzhongzhu 353*77e91848SHuazhong Tan for (i = 0; i < ARRAY_SIZE(rx_bd_info_items); i++) 354*77e91848SHuazhong Tan result[i] = &data_str[i][0]; 355b1533adaSHuazhong Tan 356*77e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, 357*77e91848SHuazhong Tan "Queue %u rx bd info:\n", d->qid); 358*77e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), rx_bd_info_items, 359*77e91848SHuazhong Tan NULL, ARRAY_SIZE(rx_bd_info_items)); 360*77e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 361*77e91848SHuazhong Tan 362*77e91848SHuazhong Tan ring = &priv->ring[d->qid + d->handle->kinfo.num_tqps]; 363*77e91848SHuazhong Tan for (i = 0; i < ring->desc_num; i++) { 364*77e91848SHuazhong Tan desc = &ring->desc[i]; 365*77e91848SHuazhong Tan 366*77e91848SHuazhong Tan hns3_dump_rx_bd_info(priv, desc, result, i); 367*77e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), 368*77e91848SHuazhong Tan rx_bd_info_items, (const char **)result, 369*77e91848SHuazhong Tan ARRAY_SIZE(rx_bd_info_items)); 370*77e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 371*77e91848SHuazhong Tan } 372*77e91848SHuazhong Tan 373*77e91848SHuazhong Tan return 0; 374*77e91848SHuazhong Tan } 375*77e91848SHuazhong Tan 376*77e91848SHuazhong Tan static const struct hns3_dbg_item tx_bd_info_items[] = { 377*77e91848SHuazhong Tan { "BD_IDX", 5 }, 378*77e91848SHuazhong Tan { "ADDRESS", 2 }, 379*77e91848SHuazhong Tan { "VLAN_TAG", 2 }, 380*77e91848SHuazhong Tan { "SIZE", 2 }, 381*77e91848SHuazhong Tan { "T_CS_VLAN_TSO", 2 }, 382*77e91848SHuazhong Tan { "OT_VLAN_TAG", 3 }, 383*77e91848SHuazhong Tan { "TV", 2 }, 384*77e91848SHuazhong Tan { "OLT_VLAN_LEN", 2}, 385*77e91848SHuazhong Tan { "PAYLEN_OL4CS", 2}, 386*77e91848SHuazhong Tan { "BD_FE_SC_VLD", 2}, 387*77e91848SHuazhong Tan { "MSS_HW_CSUM", 0}, 388*77e91848SHuazhong Tan }; 389*77e91848SHuazhong Tan 390*77e91848SHuazhong Tan static void hns3_dump_tx_bd_info(struct hns3_nic_priv *priv, 391*77e91848SHuazhong Tan struct hns3_desc *desc, char **result, int idx) 392*77e91848SHuazhong Tan { 393*77e91848SHuazhong Tan unsigned int j = 0; 394*77e91848SHuazhong Tan 395*77e91848SHuazhong Tan sprintf(result[j++], "%6d", idx); 396*77e91848SHuazhong Tan sprintf(result[j++], "%#llx", le64_to_cpu(desc->addr)); 397*77e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.vlan_tag)); 398*77e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.send_size)); 399*77e91848SHuazhong Tan sprintf(result[j++], "%#x", 400*77e91848SHuazhong Tan le32_to_cpu(desc->tx.type_cs_vlan_tso_len)); 401*77e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.outer_vlan_tag)); 402*77e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.tv)); 403*77e91848SHuazhong Tan sprintf(result[j++], "%10u", 404*77e91848SHuazhong Tan le32_to_cpu(desc->tx.ol_type_vlan_len_msec)); 405*77e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->tx.paylen_ol4cs)); 406*77e91848SHuazhong Tan sprintf(result[j++], "%#x", le16_to_cpu(desc->tx.bdtp_fe_sc_vld_ra_ri)); 407*77e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.mss_hw_csum)); 408*77e91848SHuazhong Tan } 409*77e91848SHuazhong Tan 410*77e91848SHuazhong Tan static int hns3_dbg_tx_bd_info(struct hns3_dbg_data *d, char *buf, int len) 411*77e91848SHuazhong Tan { 412*77e91848SHuazhong Tan char data_str[ARRAY_SIZE(tx_bd_info_items)][HNS3_DBG_DATA_STR_LEN]; 413*77e91848SHuazhong Tan struct hns3_nic_priv *priv = d->handle->priv; 414*77e91848SHuazhong Tan char *result[ARRAY_SIZE(tx_bd_info_items)]; 415*77e91848SHuazhong Tan char content[HNS3_DBG_INFO_LEN]; 416*77e91848SHuazhong Tan struct hns3_enet_ring *ring; 417*77e91848SHuazhong Tan struct hns3_desc *desc; 418*77e91848SHuazhong Tan unsigned int i; 419*77e91848SHuazhong Tan int pos = 0; 420*77e91848SHuazhong Tan 421*77e91848SHuazhong Tan if (d->qid >= d->handle->kinfo.num_tqps) { 422*77e91848SHuazhong Tan dev_err(&d->handle->pdev->dev, 423*77e91848SHuazhong Tan "queue%u is not in use\n", d->qid); 424*77e91848SHuazhong Tan return -EINVAL; 425*77e91848SHuazhong Tan } 426*77e91848SHuazhong Tan 427*77e91848SHuazhong Tan for (i = 0; i < ARRAY_SIZE(tx_bd_info_items); i++) 428*77e91848SHuazhong Tan result[i] = &data_str[i][0]; 429*77e91848SHuazhong Tan 430*77e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, 431*77e91848SHuazhong Tan "Queue %u tx bd info:\n", d->qid); 432*77e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), tx_bd_info_items, 433*77e91848SHuazhong Tan NULL, ARRAY_SIZE(tx_bd_info_items)); 434*77e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 435*77e91848SHuazhong Tan 436*77e91848SHuazhong Tan ring = &priv->ring[d->qid]; 437*77e91848SHuazhong Tan for (i = 0; i < ring->desc_num; i++) { 438*77e91848SHuazhong Tan desc = &ring->desc[i]; 439*77e91848SHuazhong Tan 440*77e91848SHuazhong Tan hns3_dump_tx_bd_info(priv, desc, result, i); 441*77e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), 442*77e91848SHuazhong Tan tx_bd_info_items, (const char **)result, 443*77e91848SHuazhong Tan ARRAY_SIZE(tx_bd_info_items)); 444*77e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 445*77e91848SHuazhong Tan } 446122bedc5Sliuzhongzhu 447122bedc5Sliuzhongzhu return 0; 448122bedc5Sliuzhongzhu } 449122bedc5Sliuzhongzhu 450b2292360Sliuzhongzhu static void hns3_dbg_help(struct hnae3_handle *h) 451b2292360Sliuzhongzhu { 45227cf979aSliuzhongzhu #define HNS3_DBG_BUF_LEN 256 45327cf979aSliuzhongzhu 45427cf979aSliuzhongzhu char printf_buf[HNS3_DBG_BUF_LEN]; 45527cf979aSliuzhongzhu 456b2292360Sliuzhongzhu dev_info(&h->pdev->dev, "available commands\n"); 457ed5b255bSYufeng Mo dev_info(&h->pdev->dev, "queue info <number>\n"); 4580c29d191Sliuzhongzhu dev_info(&h->pdev->dev, "queue map\n"); 45997afd47bSYufeng Mo 46097afd47bSYufeng Mo if (!hns3_is_phys_func(h->pdev)) 46197afd47bSYufeng Mo return; 46297afd47bSYufeng Mo 463b2292360Sliuzhongzhu dev_info(&h->pdev->dev, "dump fd tcam\n"); 4642849d4e7Sliuzhongzhu dev_info(&h->pdev->dev, "dump tc\n"); 465ed5b255bSYufeng Mo dev_info(&h->pdev->dev, "dump tm map <q_num>\n"); 46696227f4cSliuzhongzhu dev_info(&h->pdev->dev, "dump tm\n"); 467d958919dSliuzhongzhu dev_info(&h->pdev->dev, "dump qos pause cfg\n"); 4686fc22440Sliuzhongzhu dev_info(&h->pdev->dev, "dump qos pri map\n"); 4697d9d7f88Sliuzhongzhu dev_info(&h->pdev->dev, "dump qos buf cfg\n"); 4707737f1fbSliuzhongzhu dev_info(&h->pdev->dev, "dump mng tbl\n"); 471f02eb82dSHuazhong Tan dev_info(&h->pdev->dev, "dump reset info\n"); 47233a90e2fSZhongzhu Liu dev_info(&h->pdev->dev, "dump m7 info\n"); 473ffd140e2SWeihang Li dev_info(&h->pdev->dev, "dump ncl_config <offset> <length>(in hex)\n"); 474a6345787SWeihang Li dev_info(&h->pdev->dev, "dump mac tnl status\n"); 475ded45d40SYufeng Mo dev_info(&h->pdev->dev, "dump loopback\n"); 47689ec9485SYonglong Liu dev_info(&h->pdev->dev, "dump qs shaper [qs id]\n"); 477f671237aSJian Shen dev_info(&h->pdev->dev, "dump uc mac list <func id>\n"); 478f671237aSJian Shen dev_info(&h->pdev->dev, "dump mc mac list <func id>\n"); 479348775ebSYufeng Mo dev_info(&h->pdev->dev, "dump intr\n"); 48027cf979aSliuzhongzhu 48127cf979aSliuzhongzhu memset(printf_buf, 0, HNS3_DBG_BUF_LEN); 482ed5b255bSYufeng Mo strncat(printf_buf, "dump reg [[bios common] [ssu <port_id>]", 48327cf979aSliuzhongzhu HNS3_DBG_BUF_LEN - 1); 48427cf979aSliuzhongzhu strncat(printf_buf + strlen(printf_buf), 485ed5b255bSYufeng Mo " [igu egu <port_id>] [rpu <tc_queue_num>]", 48627cf979aSliuzhongzhu HNS3_DBG_BUF_LEN - strlen(printf_buf) - 1); 48727cf979aSliuzhongzhu strncat(printf_buf + strlen(printf_buf), 4885cb51cfeSYufeng Mo " [rtc] [ppp] [rcb] [tqp <queue_num>] [mac]]\n", 48927cf979aSliuzhongzhu HNS3_DBG_BUF_LEN - strlen(printf_buf) - 1); 49027cf979aSliuzhongzhu dev_info(&h->pdev->dev, "%s", printf_buf); 491c0ebebb9Sliuzhongzhu 492c0ebebb9Sliuzhongzhu memset(printf_buf, 0, HNS3_DBG_BUF_LEN); 493ed5b255bSYufeng Mo strncat(printf_buf, "dump reg dcb <port_id> <pri_id> <pg_id>", 494c0ebebb9Sliuzhongzhu HNS3_DBG_BUF_LEN - 1); 495ed5b255bSYufeng Mo strncat(printf_buf + strlen(printf_buf), " <rq_id> <nq_id> <qset_id>\n", 496c0ebebb9Sliuzhongzhu HNS3_DBG_BUF_LEN - strlen(printf_buf) - 1); 497c0ebebb9Sliuzhongzhu dev_info(&h->pdev->dev, "%s", printf_buf); 498b2292360Sliuzhongzhu } 499b2292360Sliuzhongzhu 500c929bc2aSJiaran Zhang static void 501c929bc2aSJiaran Zhang hns3_dbg_dev_caps(struct hnae3_handle *h, char *buf, int len, int *pos) 5029484e337SGuangbin Huang { 5039484e337SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 504c929bc2aSJiaran Zhang static const char * const str[] = {"no", "yes"}; 505c929bc2aSJiaran Zhang unsigned long *caps = ae_dev->caps; 506c929bc2aSJiaran Zhang u32 i, state; 5079484e337SGuangbin Huang 508c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "dev capability:\n"); 5099484e337SGuangbin Huang 510c929bc2aSJiaran Zhang for (i = 0; i < ARRAY_SIZE(hns3_dbg_cap); i++) { 511c929bc2aSJiaran Zhang state = test_bit(hns3_dbg_cap[i].cap_bit, caps); 512c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "%s: %s\n", 513c929bc2aSJiaran Zhang hns3_dbg_cap[i].name, str[state]); 5149484e337SGuangbin Huang } 5159484e337SGuangbin Huang 516c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "\n"); 517c929bc2aSJiaran Zhang } 518c929bc2aSJiaran Zhang 519c929bc2aSJiaran Zhang static void 520c929bc2aSJiaran Zhang hns3_dbg_dev_specs(struct hnae3_handle *h, char *buf, int len, int *pos) 521b4442ec5SGuangbin Huang { 522b4442ec5SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 523b4442ec5SGuangbin Huang struct hnae3_dev_specs *dev_specs = &ae_dev->dev_specs; 524b4442ec5SGuangbin Huang struct hnae3_knic_private_info *kinfo = &h->kinfo; 525b4442ec5SGuangbin Huang 526c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "dev_spec:\n"); 527c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAC entry num: %u\n", 528c929bc2aSJiaran Zhang dev_specs->mac_entry_num); 529c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MNG entry num: %u\n", 530c929bc2aSJiaran Zhang dev_specs->mng_entry_num); 531c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX non tso bd num: %u\n", 532b4442ec5SGuangbin Huang dev_specs->max_non_tso_bd_num); 533c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RSS ind tbl size: %u\n", 534b4442ec5SGuangbin Huang dev_specs->rss_ind_tbl_size); 535c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RSS key size: %u\n", 536c929bc2aSJiaran Zhang dev_specs->rss_key_size); 537c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RSS size: %u\n", 538c929bc2aSJiaran Zhang kinfo->rss_size); 539c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "Allocated RSS size: %u\n", 540c929bc2aSJiaran Zhang kinfo->req_rss_size); 541c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, 542c929bc2aSJiaran Zhang "Task queue pairs numbers: %u\n", 543c929bc2aSJiaran Zhang kinfo->num_tqps); 544c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RX buffer length: %u\n", 545c929bc2aSJiaran Zhang kinfo->rx_buf_len); 546c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "Desc num per TX queue: %u\n", 547c929bc2aSJiaran Zhang kinfo->num_tx_desc); 548c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "Desc num per RX queue: %u\n", 549c929bc2aSJiaran Zhang kinfo->num_rx_desc); 550c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, 551c929bc2aSJiaran Zhang "Total number of enabled TCs: %u\n", 55235244430SJian Shen kinfo->tc_info.num_tc); 553c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX INT QL: %u\n", 554c929bc2aSJiaran Zhang dev_specs->int_ql_max); 555c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX INT GL: %u\n", 556c929bc2aSJiaran Zhang dev_specs->max_int_gl); 557c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX TM RATE: %u\n", 558c929bc2aSJiaran Zhang dev_specs->max_tm_rate); 559c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX QSET number: %u\n", 560c929bc2aSJiaran Zhang dev_specs->max_qset_num); 561c929bc2aSJiaran Zhang } 562c929bc2aSJiaran Zhang 563c929bc2aSJiaran Zhang static int hns3_dbg_dev_info(struct hnae3_handle *h, char *buf, int len) 564c929bc2aSJiaran Zhang { 565c929bc2aSJiaran Zhang int pos = 0; 566c929bc2aSJiaran Zhang 567c929bc2aSJiaran Zhang hns3_dbg_dev_caps(h, buf, len, &pos); 568c929bc2aSJiaran Zhang 569c929bc2aSJiaran Zhang hns3_dbg_dev_specs(h, buf, len, &pos); 570c929bc2aSJiaran Zhang 571c929bc2aSJiaran Zhang return 0; 572b4442ec5SGuangbin Huang } 573b4442ec5SGuangbin Huang 574b2292360Sliuzhongzhu static ssize_t hns3_dbg_cmd_read(struct file *filp, char __user *buffer, 575b2292360Sliuzhongzhu size_t count, loff_t *ppos) 576b2292360Sliuzhongzhu { 577b2292360Sliuzhongzhu int uncopy_bytes; 578b2292360Sliuzhongzhu char *buf; 579b2292360Sliuzhongzhu int len; 580b2292360Sliuzhongzhu 581b2292360Sliuzhongzhu if (*ppos != 0) 582b2292360Sliuzhongzhu return 0; 583b2292360Sliuzhongzhu 584b2292360Sliuzhongzhu if (count < HNS3_DBG_READ_LEN) 585b2292360Sliuzhongzhu return -ENOSPC; 586b2292360Sliuzhongzhu 587b2292360Sliuzhongzhu buf = kzalloc(HNS3_DBG_READ_LEN, GFP_KERNEL); 588b2292360Sliuzhongzhu if (!buf) 589b2292360Sliuzhongzhu return -ENOMEM; 590b2292360Sliuzhongzhu 59149e211c0SChen Zhou len = scnprintf(buf, HNS3_DBG_READ_LEN, "%s\n", 592b2292360Sliuzhongzhu "Please echo help to cmd to get help information"); 593b2292360Sliuzhongzhu uncopy_bytes = copy_to_user(buffer, buf, len); 594b2292360Sliuzhongzhu 595b2292360Sliuzhongzhu kfree(buf); 596b2292360Sliuzhongzhu 597b2292360Sliuzhongzhu if (uncopy_bytes) 598b2292360Sliuzhongzhu return -EFAULT; 599b2292360Sliuzhongzhu 600b2292360Sliuzhongzhu return (*ppos = len); 601b2292360Sliuzhongzhu } 602b2292360Sliuzhongzhu 603c318af3fSPeng Li static int hns3_dbg_check_cmd(struct hnae3_handle *handle, char *cmd_buf) 604c318af3fSPeng Li { 605c318af3fSPeng Li int ret = 0; 606c318af3fSPeng Li 607c318af3fSPeng Li if (strncmp(cmd_buf, "help", 4) == 0) 608c318af3fSPeng Li hns3_dbg_help(handle); 609c318af3fSPeng Li else if (strncmp(cmd_buf, "queue info", 10) == 0) 610c318af3fSPeng Li ret = hns3_dbg_queue_info(handle, cmd_buf); 611c318af3fSPeng Li else if (strncmp(cmd_buf, "queue map", 9) == 0) 612c318af3fSPeng Li ret = hns3_dbg_queue_map(handle); 613c318af3fSPeng Li else if (handle->ae_algo->ops->dbg_run_cmd) 614c318af3fSPeng Li ret = handle->ae_algo->ops->dbg_run_cmd(handle, cmd_buf); 615c318af3fSPeng Li else 616c318af3fSPeng Li ret = -EOPNOTSUPP; 617c318af3fSPeng Li 618c318af3fSPeng Li return ret; 619c318af3fSPeng Li } 620c318af3fSPeng Li 621b2292360Sliuzhongzhu static ssize_t hns3_dbg_cmd_write(struct file *filp, const char __user *buffer, 622b2292360Sliuzhongzhu size_t count, loff_t *ppos) 623b2292360Sliuzhongzhu { 624b2292360Sliuzhongzhu struct hnae3_handle *handle = filp->private_data; 62557ceee2cSliuzhongzhu struct hns3_nic_priv *priv = handle->priv; 626b2292360Sliuzhongzhu char *cmd_buf, *cmd_buf_tmp; 627b2292360Sliuzhongzhu int uncopied_bytes; 628c318af3fSPeng Li int ret; 629b2292360Sliuzhongzhu 630b2292360Sliuzhongzhu if (*ppos != 0) 631b2292360Sliuzhongzhu return 0; 632b2292360Sliuzhongzhu 63357ceee2cSliuzhongzhu /* Judge if the instance is being reset. */ 6347737f1fbSliuzhongzhu if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 63557ceee2cSliuzhongzhu test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) 63657ceee2cSliuzhongzhu return 0; 63757ceee2cSliuzhongzhu 6387ac243f9SYufeng Mo if (count > HNS3_DBG_WRITE_LEN) 6397ac243f9SYufeng Mo return -ENOSPC; 6407ac243f9SYufeng Mo 641b2292360Sliuzhongzhu cmd_buf = kzalloc(count + 1, GFP_KERNEL); 642b2292360Sliuzhongzhu if (!cmd_buf) 643b2292360Sliuzhongzhu return count; 644b2292360Sliuzhongzhu 645b2292360Sliuzhongzhu uncopied_bytes = copy_from_user(cmd_buf, buffer, count); 646b2292360Sliuzhongzhu if (uncopied_bytes) { 647b2292360Sliuzhongzhu kfree(cmd_buf); 648b2292360Sliuzhongzhu return -EFAULT; 649b2292360Sliuzhongzhu } 650b2292360Sliuzhongzhu 651b2292360Sliuzhongzhu cmd_buf[count] = '\0'; 652b2292360Sliuzhongzhu 653b2292360Sliuzhongzhu cmd_buf_tmp = strchr(cmd_buf, '\n'); 654b2292360Sliuzhongzhu if (cmd_buf_tmp) { 655b2292360Sliuzhongzhu *cmd_buf_tmp = '\0'; 656b2292360Sliuzhongzhu count = cmd_buf_tmp - cmd_buf + 1; 657b2292360Sliuzhongzhu } 658b2292360Sliuzhongzhu 659c318af3fSPeng Li ret = hns3_dbg_check_cmd(handle, cmd_buf); 660b2292360Sliuzhongzhu if (ret) 661b2292360Sliuzhongzhu hns3_dbg_help(handle); 662b2292360Sliuzhongzhu 663b2292360Sliuzhongzhu kfree(cmd_buf); 664b2292360Sliuzhongzhu cmd_buf = NULL; 665b2292360Sliuzhongzhu 666b2292360Sliuzhongzhu return count; 667b2292360Sliuzhongzhu } 668b2292360Sliuzhongzhu 6695e69ea7eSYufeng Mo static int hns3_dbg_get_cmd_index(struct hnae3_handle *handle, 6705e69ea7eSYufeng Mo const unsigned char *name, u32 *index) 6715e69ea7eSYufeng Mo { 6725e69ea7eSYufeng Mo u32 i; 6735e69ea7eSYufeng Mo 6745e69ea7eSYufeng Mo for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) { 6755e69ea7eSYufeng Mo if (!strncmp(name, hns3_dbg_cmd[i].name, 6765e69ea7eSYufeng Mo strlen(hns3_dbg_cmd[i].name))) { 6775e69ea7eSYufeng Mo *index = i; 6785e69ea7eSYufeng Mo return 0; 6795e69ea7eSYufeng Mo } 6805e69ea7eSYufeng Mo } 6815e69ea7eSYufeng Mo 6825e69ea7eSYufeng Mo dev_err(&handle->pdev->dev, "unknown command(%s)\n", name); 6835e69ea7eSYufeng Mo return -EINVAL; 6845e69ea7eSYufeng Mo } 6855e69ea7eSYufeng Mo 686c929bc2aSJiaran Zhang static const struct hns3_dbg_func hns3_dbg_cmd_func[] = { 687c929bc2aSJiaran Zhang { 688c929bc2aSJiaran Zhang .cmd = HNAE3_DBG_CMD_DEV_INFO, 689c929bc2aSJiaran Zhang .dbg_dump = hns3_dbg_dev_info, 690c929bc2aSJiaran Zhang }, 691*77e91848SHuazhong Tan { 692*77e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_TX_BD, 693*77e91848SHuazhong Tan .dbg_dump_bd = hns3_dbg_tx_bd_info, 694*77e91848SHuazhong Tan }, 695*77e91848SHuazhong Tan { 696*77e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_RX_BD, 697*77e91848SHuazhong Tan .dbg_dump_bd = hns3_dbg_rx_bd_info, 698*77e91848SHuazhong Tan }, 699c929bc2aSJiaran Zhang }; 700c929bc2aSJiaran Zhang 701*77e91848SHuazhong Tan static int hns3_dbg_read_cmd(struct hns3_dbg_data *dbg_data, 7025e69ea7eSYufeng Mo enum hnae3_dbg_cmd cmd, char *buf, int len) 7035e69ea7eSYufeng Mo { 704*77e91848SHuazhong Tan const struct hnae3_ae_ops *ops = dbg_data->handle->ae_algo->ops; 705*77e91848SHuazhong Tan const struct hns3_dbg_func *cmd_func; 706c929bc2aSJiaran Zhang u32 i; 707c929bc2aSJiaran Zhang 708c929bc2aSJiaran Zhang for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd_func); i++) { 709*77e91848SHuazhong Tan if (cmd == hns3_dbg_cmd_func[i].cmd) { 710*77e91848SHuazhong Tan cmd_func = &hns3_dbg_cmd_func[i]; 711*77e91848SHuazhong Tan if (cmd_func->dbg_dump) 712*77e91848SHuazhong Tan return cmd_func->dbg_dump(dbg_data->handle, buf, 713*77e91848SHuazhong Tan len); 714*77e91848SHuazhong Tan else 715*77e91848SHuazhong Tan return cmd_func->dbg_dump_bd(dbg_data, buf, 716*77e91848SHuazhong Tan len); 717*77e91848SHuazhong Tan } 718c929bc2aSJiaran Zhang } 7195e69ea7eSYufeng Mo 7205e69ea7eSYufeng Mo if (!ops->dbg_read_cmd) 7215e69ea7eSYufeng Mo return -EOPNOTSUPP; 7225e69ea7eSYufeng Mo 723*77e91848SHuazhong Tan return ops->dbg_read_cmd(dbg_data->handle, cmd, buf, len); 7245e69ea7eSYufeng Mo } 7255e69ea7eSYufeng Mo 72604987ca1SGuangbin Huang static ssize_t hns3_dbg_read(struct file *filp, char __user *buffer, 72704987ca1SGuangbin Huang size_t count, loff_t *ppos) 72804987ca1SGuangbin Huang { 729*77e91848SHuazhong Tan struct hns3_dbg_data *dbg_data = filp->private_data; 730*77e91848SHuazhong Tan struct hnae3_handle *handle = dbg_data->handle; 73104987ca1SGuangbin Huang struct hns3_nic_priv *priv = handle->priv; 73204987ca1SGuangbin Huang ssize_t size = 0; 7335e69ea7eSYufeng Mo char **save_buf; 7345e69ea7eSYufeng Mo char *read_buf; 7355e69ea7eSYufeng Mo u32 index; 7365e69ea7eSYufeng Mo int ret; 73704987ca1SGuangbin Huang 7385e69ea7eSYufeng Mo ret = hns3_dbg_get_cmd_index(handle, filp->f_path.dentry->d_iname, 7395e69ea7eSYufeng Mo &index); 7405e69ea7eSYufeng Mo if (ret) 7415e69ea7eSYufeng Mo return ret; 7425e69ea7eSYufeng Mo 7435e69ea7eSYufeng Mo save_buf = &hns3_dbg_cmd[index].buf; 7445e69ea7eSYufeng Mo 7455e69ea7eSYufeng Mo if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 7465e69ea7eSYufeng Mo test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) { 7475e69ea7eSYufeng Mo ret = -EBUSY; 7485e69ea7eSYufeng Mo goto out; 7495e69ea7eSYufeng Mo } 7505e69ea7eSYufeng Mo 7515e69ea7eSYufeng Mo if (*save_buf) { 7525e69ea7eSYufeng Mo read_buf = *save_buf; 7535e69ea7eSYufeng Mo } else { 7545e69ea7eSYufeng Mo read_buf = kvzalloc(hns3_dbg_cmd[index].buf_len, GFP_KERNEL); 75504987ca1SGuangbin Huang if (!read_buf) 75604987ca1SGuangbin Huang return -ENOMEM; 75704987ca1SGuangbin Huang 7585e69ea7eSYufeng Mo /* save the buffer addr until the last read operation */ 7595e69ea7eSYufeng Mo *save_buf = read_buf; 7605e69ea7eSYufeng Mo } 76104987ca1SGuangbin Huang 7625e69ea7eSYufeng Mo /* get data ready for the first time to read */ 7635e69ea7eSYufeng Mo if (!*ppos) { 764*77e91848SHuazhong Tan ret = hns3_dbg_read_cmd(dbg_data, hns3_dbg_cmd[index].cmd, 7655e69ea7eSYufeng Mo read_buf, hns3_dbg_cmd[index].buf_len); 7665e69ea7eSYufeng Mo if (ret) 76704987ca1SGuangbin Huang goto out; 76804987ca1SGuangbin Huang } 76904987ca1SGuangbin Huang 77004987ca1SGuangbin Huang size = simple_read_from_buffer(buffer, count, ppos, read_buf, 77104987ca1SGuangbin Huang strlen(read_buf)); 7725e69ea7eSYufeng Mo if (size > 0) 7735e69ea7eSYufeng Mo return size; 77404987ca1SGuangbin Huang 77504987ca1SGuangbin Huang out: 7765e69ea7eSYufeng Mo /* free the buffer for the last read operation */ 7775e69ea7eSYufeng Mo if (*save_buf) { 7785e69ea7eSYufeng Mo kvfree(*save_buf); 7795e69ea7eSYufeng Mo *save_buf = NULL; 7805e69ea7eSYufeng Mo } 7815e69ea7eSYufeng Mo 7825e69ea7eSYufeng Mo return ret; 78304987ca1SGuangbin Huang } 78404987ca1SGuangbin Huang 785b2292360Sliuzhongzhu static const struct file_operations hns3_dbg_cmd_fops = { 786b2292360Sliuzhongzhu .owner = THIS_MODULE, 787b2292360Sliuzhongzhu .open = simple_open, 788b2292360Sliuzhongzhu .read = hns3_dbg_cmd_read, 789b2292360Sliuzhongzhu .write = hns3_dbg_cmd_write, 790b2292360Sliuzhongzhu }; 791b2292360Sliuzhongzhu 79204987ca1SGuangbin Huang static const struct file_operations hns3_dbg_fops = { 79304987ca1SGuangbin Huang .owner = THIS_MODULE, 79404987ca1SGuangbin Huang .open = simple_open, 79504987ca1SGuangbin Huang .read = hns3_dbg_read, 79604987ca1SGuangbin Huang }; 79704987ca1SGuangbin Huang 798*77e91848SHuazhong Tan static int hns3_dbg_bd_file_init(struct hnae3_handle *handle, u32 cmd) 799*77e91848SHuazhong Tan { 800*77e91848SHuazhong Tan struct dentry *entry_dir; 801*77e91848SHuazhong Tan struct hns3_dbg_data *data; 802*77e91848SHuazhong Tan u16 max_queue_num; 803*77e91848SHuazhong Tan unsigned int i; 804*77e91848SHuazhong Tan 805*77e91848SHuazhong Tan entry_dir = hns3_dbg_dentry[hns3_dbg_cmd[cmd].dentry].dentry; 806*77e91848SHuazhong Tan max_queue_num = hns3_get_max_available_channels(handle); 807*77e91848SHuazhong Tan data = devm_kzalloc(&handle->pdev->dev, max_queue_num * sizeof(*data), 808*77e91848SHuazhong Tan GFP_KERNEL); 809*77e91848SHuazhong Tan if (!data) 810*77e91848SHuazhong Tan return -ENOMEM; 811*77e91848SHuazhong Tan 812*77e91848SHuazhong Tan for (i = 0; i < max_queue_num; i++) { 813*77e91848SHuazhong Tan char name[HNS3_DBG_FILE_NAME_LEN]; 814*77e91848SHuazhong Tan 815*77e91848SHuazhong Tan data[i].handle = handle; 816*77e91848SHuazhong Tan data[i].qid = i; 817*77e91848SHuazhong Tan sprintf(name, "%s%u", hns3_dbg_cmd[cmd].name, i); 818*77e91848SHuazhong Tan debugfs_create_file(name, 0400, entry_dir, &data[i], 819*77e91848SHuazhong Tan &hns3_dbg_fops); 820*77e91848SHuazhong Tan } 821*77e91848SHuazhong Tan 822*77e91848SHuazhong Tan return 0; 823*77e91848SHuazhong Tan } 824*77e91848SHuazhong Tan 8255e69ea7eSYufeng Mo static int 8265e69ea7eSYufeng Mo hns3_dbg_common_file_init(struct hnae3_handle *handle, u32 cmd) 8275e69ea7eSYufeng Mo { 828*77e91848SHuazhong Tan struct hns3_dbg_data *data; 8295e69ea7eSYufeng Mo struct dentry *entry_dir; 8305e69ea7eSYufeng Mo 831*77e91848SHuazhong Tan data = devm_kzalloc(&handle->pdev->dev, sizeof(*data), GFP_KERNEL); 832*77e91848SHuazhong Tan if (!data) 833*77e91848SHuazhong Tan return -ENOMEM; 834*77e91848SHuazhong Tan 835*77e91848SHuazhong Tan data->handle = handle; 8365e69ea7eSYufeng Mo entry_dir = hns3_dbg_dentry[hns3_dbg_cmd[cmd].dentry].dentry; 8375e69ea7eSYufeng Mo debugfs_create_file(hns3_dbg_cmd[cmd].name, 0400, entry_dir, 838*77e91848SHuazhong Tan data, &hns3_dbg_fops); 8395e69ea7eSYufeng Mo 8405e69ea7eSYufeng Mo return 0; 8415e69ea7eSYufeng Mo } 8425e69ea7eSYufeng Mo 8435e69ea7eSYufeng Mo int hns3_dbg_init(struct hnae3_handle *handle) 844b2292360Sliuzhongzhu { 84504987ca1SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 846b2292360Sliuzhongzhu const char *name = pci_name(handle->pdev); 8475e69ea7eSYufeng Mo int ret; 8485e69ea7eSYufeng Mo u32 i; 849b2292360Sliuzhongzhu 8505e69ea7eSYufeng Mo hns3_dbg_dentry[HNS3_DBG_DENTRY_COMMON].dentry = 8515e69ea7eSYufeng Mo debugfs_create_dir(name, hns3_dbgfs_root); 8525e69ea7eSYufeng Mo handle->hnae3_dbgfs = hns3_dbg_dentry[HNS3_DBG_DENTRY_COMMON].dentry; 853b2292360Sliuzhongzhu 85411ab11e6SGreg Kroah-Hartman debugfs_create_file("cmd", 0600, handle->hnae3_dbgfs, handle, 855b2292360Sliuzhongzhu &hns3_dbg_cmd_fops); 85604987ca1SGuangbin Huang 8575e69ea7eSYufeng Mo for (i = 0; i < HNS3_DBG_DENTRY_COMMON; i++) 8585e69ea7eSYufeng Mo hns3_dbg_dentry[i].dentry = 8595e69ea7eSYufeng Mo debugfs_create_dir(hns3_dbg_dentry[i].name, 8605e69ea7eSYufeng Mo handle->hnae3_dbgfs); 8615e69ea7eSYufeng Mo 8625e69ea7eSYufeng Mo for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) { 8635e69ea7eSYufeng Mo if (hns3_dbg_cmd[i].cmd == HNAE3_DBG_CMD_TM_NODES && 8645e69ea7eSYufeng Mo ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2) 8655e69ea7eSYufeng Mo continue; 8665e69ea7eSYufeng Mo 8675e69ea7eSYufeng Mo if (!hns3_dbg_cmd[i].init) { 8685e69ea7eSYufeng Mo dev_err(&handle->pdev->dev, 8695e69ea7eSYufeng Mo "cmd %s lack of init func\n", 8705e69ea7eSYufeng Mo hns3_dbg_cmd[i].name); 8715e69ea7eSYufeng Mo ret = -EINVAL; 8725e69ea7eSYufeng Mo goto out; 8735e69ea7eSYufeng Mo } 8745e69ea7eSYufeng Mo 8755e69ea7eSYufeng Mo ret = hns3_dbg_cmd[i].init(handle, i); 8765e69ea7eSYufeng Mo if (ret) { 8775e69ea7eSYufeng Mo dev_err(&handle->pdev->dev, "failed to init cmd %s\n", 8785e69ea7eSYufeng Mo hns3_dbg_cmd[i].name); 8795e69ea7eSYufeng Mo goto out; 8805e69ea7eSYufeng Mo } 8815e69ea7eSYufeng Mo } 8825e69ea7eSYufeng Mo 8835e69ea7eSYufeng Mo return 0; 8845e69ea7eSYufeng Mo 8855e69ea7eSYufeng Mo out: 8865e69ea7eSYufeng Mo debugfs_remove_recursive(handle->hnae3_dbgfs); 8875e69ea7eSYufeng Mo handle->hnae3_dbgfs = NULL; 8885e69ea7eSYufeng Mo return ret; 889b2292360Sliuzhongzhu } 890b2292360Sliuzhongzhu 891b2292360Sliuzhongzhu void hns3_dbg_uninit(struct hnae3_handle *handle) 892b2292360Sliuzhongzhu { 8935e69ea7eSYufeng Mo u32 i; 8945e69ea7eSYufeng Mo 8955e69ea7eSYufeng Mo for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) 8965e69ea7eSYufeng Mo if (hns3_dbg_cmd[i].buf) { 8975e69ea7eSYufeng Mo kvfree(hns3_dbg_cmd[i].buf); 8985e69ea7eSYufeng Mo hns3_dbg_cmd[i].buf = NULL; 8995e69ea7eSYufeng Mo } 9005e69ea7eSYufeng Mo 901b2292360Sliuzhongzhu debugfs_remove_recursive(handle->hnae3_dbgfs); 902b2292360Sliuzhongzhu handle->hnae3_dbgfs = NULL; 903b2292360Sliuzhongzhu } 904b2292360Sliuzhongzhu 905b2292360Sliuzhongzhu void hns3_dbg_register_debugfs(const char *debugfs_dir_name) 906b2292360Sliuzhongzhu { 907b2292360Sliuzhongzhu hns3_dbgfs_root = debugfs_create_dir(debugfs_dir_name, NULL); 908b2292360Sliuzhongzhu } 909b2292360Sliuzhongzhu 910b2292360Sliuzhongzhu void hns3_dbg_unregister_debugfs(void) 911b2292360Sliuzhongzhu { 912b2292360Sliuzhongzhu debugfs_remove_recursive(hns3_dbgfs_root); 913b2292360Sliuzhongzhu hns3_dbgfs_root = NULL; 914b2292360Sliuzhongzhu } 915