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 }, 107*9149ca0fSJiaran Zhang { 108*9149ca0fSJiaran Zhang .name = "interrupt_info", 109*9149ca0fSJiaran Zhang .cmd = HNAE3_DBG_CMD_INTERRUPT_INFO, 110*9149ca0fSJiaran Zhang .dentry = HNS3_DBG_DENTRY_COMMON, 111*9149ca0fSJiaran Zhang .buf_len = HNS3_DBG_READ_LEN, 112*9149ca0fSJiaran Zhang .init = hns3_dbg_common_file_init, 113*9149ca0fSJiaran Zhang }, 114c929bc2aSJiaran Zhang }; 115c929bc2aSJiaran Zhang 116c929bc2aSJiaran Zhang static struct hns3_dbg_cap_info hns3_dbg_cap[] = { 117c929bc2aSJiaran Zhang { 118c929bc2aSJiaran Zhang .name = "support FD", 119c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_FD_B, 120c929bc2aSJiaran Zhang }, { 121c929bc2aSJiaran Zhang .name = "support GRO", 122c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_GRO_B, 123c929bc2aSJiaran Zhang }, { 124c929bc2aSJiaran Zhang .name = "support FEC", 125c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_FEC_B, 126c929bc2aSJiaran Zhang }, { 127c929bc2aSJiaran Zhang .name = "support UDP GSO", 128c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_UDP_GSO_B, 129c929bc2aSJiaran Zhang }, { 130c929bc2aSJiaran Zhang .name = "support PTP", 131c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_PTP_B, 132c929bc2aSJiaran Zhang }, { 133c929bc2aSJiaran Zhang .name = "support INT QL", 134c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_INT_QL_B, 135c929bc2aSJiaran Zhang }, { 136c929bc2aSJiaran Zhang .name = "support HW TX csum", 137c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_HW_TX_CSUM_B, 138c929bc2aSJiaran Zhang }, { 139c929bc2aSJiaran Zhang .name = "support UDP tunnel csum", 140c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_UDP_TUNNEL_CSUM_B, 141c929bc2aSJiaran Zhang }, { 142c929bc2aSJiaran Zhang .name = "support TX push", 143c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_TX_PUSH_B, 144c929bc2aSJiaran Zhang }, { 145c929bc2aSJiaran Zhang .name = "support imp-controlled PHY", 146c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_PHY_IMP_B, 147c929bc2aSJiaran Zhang }, { 148c929bc2aSJiaran Zhang .name = "support rxd advanced layout", 149c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_RXD_ADV_LAYOUT_B, 150c929bc2aSJiaran Zhang }, 1515e69ea7eSYufeng Mo }; 1525e69ea7eSYufeng Mo 15377e91848SHuazhong Tan static void hns3_dbg_fill_content(char *content, u16 len, 15477e91848SHuazhong Tan const struct hns3_dbg_item *items, 15577e91848SHuazhong Tan const char **result, u16 size) 15677e91848SHuazhong Tan { 15777e91848SHuazhong Tan char *pos = content; 15877e91848SHuazhong Tan u16 i; 15977e91848SHuazhong Tan 16077e91848SHuazhong Tan memset(content, ' ', len); 16177e91848SHuazhong Tan for (i = 0; i < size; i++) { 16277e91848SHuazhong Tan if (result) 16377e91848SHuazhong Tan strncpy(pos, result[i], strlen(result[i])); 16477e91848SHuazhong Tan else 16577e91848SHuazhong Tan strncpy(pos, items[i].name, strlen(items[i].name)); 16677e91848SHuazhong Tan 16777e91848SHuazhong Tan pos += strlen(items[i].name) + items[i].interval; 16877e91848SHuazhong Tan } 16977e91848SHuazhong Tan 17077e91848SHuazhong Tan *pos++ = '\n'; 17177e91848SHuazhong Tan *pos++ = '\0'; 17277e91848SHuazhong Tan } 17377e91848SHuazhong Tan 174ebaf1908SWeihang Li static int hns3_dbg_queue_info(struct hnae3_handle *h, 175ebaf1908SWeihang Li const char *cmd_buf) 17657ceee2cSliuzhongzhu { 177dbaae5bbSGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 17857ceee2cSliuzhongzhu struct hns3_nic_priv *priv = h->priv; 17957ceee2cSliuzhongzhu struct hns3_enet_ring *ring; 18057ceee2cSliuzhongzhu u32 base_add_l, base_add_h; 18157ceee2cSliuzhongzhu u32 queue_num, queue_max; 1829d8d5a36SYufeng Mo u32 value, i; 18357ceee2cSliuzhongzhu int cnt; 18457ceee2cSliuzhongzhu 1855f06b903SYunsheng Lin if (!priv->ring) { 1865f06b903SYunsheng Lin dev_err(&h->pdev->dev, "priv->ring is NULL\n"); 18757ceee2cSliuzhongzhu return -EFAULT; 18857ceee2cSliuzhongzhu } 18957ceee2cSliuzhongzhu 19057ceee2cSliuzhongzhu queue_max = h->kinfo.num_tqps; 19157ceee2cSliuzhongzhu cnt = kstrtouint(&cmd_buf[11], 0, &queue_num); 19257ceee2cSliuzhongzhu if (cnt) 19357ceee2cSliuzhongzhu queue_num = 0; 19457ceee2cSliuzhongzhu else 19557ceee2cSliuzhongzhu queue_max = queue_num + 1; 19657ceee2cSliuzhongzhu 19757ceee2cSliuzhongzhu dev_info(&h->pdev->dev, "queue info\n"); 19857ceee2cSliuzhongzhu 19957ceee2cSliuzhongzhu if (queue_num >= h->kinfo.num_tqps) { 20057ceee2cSliuzhongzhu dev_err(&h->pdev->dev, 201ed5b255bSYufeng Mo "Queue number(%u) is out of range(0-%u)\n", queue_num, 20257ceee2cSliuzhongzhu h->kinfo.num_tqps - 1); 20357ceee2cSliuzhongzhu return -EINVAL; 20457ceee2cSliuzhongzhu } 20557ceee2cSliuzhongzhu 20657ceee2cSliuzhongzhu for (i = queue_num; i < queue_max; i++) { 20757ceee2cSliuzhongzhu /* Each cycle needs to determine whether the instance is reset, 20857ceee2cSliuzhongzhu * to prevent reference to invalid memory. And need to ensure 20957ceee2cSliuzhongzhu * that the following code is executed within 100ms. 21057ceee2cSliuzhongzhu */ 2117737f1fbSliuzhongzhu if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 21257ceee2cSliuzhongzhu test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) 21357ceee2cSliuzhongzhu return -EPERM; 21457ceee2cSliuzhongzhu 2155f06b903SYunsheng Lin ring = &priv->ring[(u32)(i + h->kinfo.num_tqps)]; 21657ceee2cSliuzhongzhu base_add_h = readl_relaxed(ring->tqp->io_base + 21757ceee2cSliuzhongzhu HNS3_RING_RX_RING_BASEADDR_H_REG); 21857ceee2cSliuzhongzhu base_add_l = readl_relaxed(ring->tqp->io_base + 21957ceee2cSliuzhongzhu HNS3_RING_RX_RING_BASEADDR_L_REG); 220adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) BASE ADD: 0x%08x%08x\n", i, 22157ceee2cSliuzhongzhu base_add_h, base_add_l); 22257ceee2cSliuzhongzhu 22357ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 22457ceee2cSliuzhongzhu HNS3_RING_RX_RING_BD_NUM_REG); 225adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING BD NUM: %u\n", i, value); 22657ceee2cSliuzhongzhu 22757ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 22857ceee2cSliuzhongzhu HNS3_RING_RX_RING_BD_LEN_REG); 229adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING BD LEN: %u\n", i, value); 23057ceee2cSliuzhongzhu 23157ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 23257ceee2cSliuzhongzhu HNS3_RING_RX_RING_TAIL_REG); 233adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING TAIL: %u\n", i, value); 23457ceee2cSliuzhongzhu 23557ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 23657ceee2cSliuzhongzhu HNS3_RING_RX_RING_HEAD_REG); 237adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING HEAD: %u\n", i, value); 23857ceee2cSliuzhongzhu 23957ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 24057ceee2cSliuzhongzhu HNS3_RING_RX_RING_FBDNUM_REG); 241adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING FBDNUM: %u\n", i, value); 24257ceee2cSliuzhongzhu 24357ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 24457ceee2cSliuzhongzhu HNS3_RING_RX_RING_PKTNUM_RECORD_REG); 245adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING PKTNUM: %u\n", i, value); 24657ceee2cSliuzhongzhu 2475f06b903SYunsheng Lin ring = &priv->ring[i]; 24857ceee2cSliuzhongzhu base_add_h = readl_relaxed(ring->tqp->io_base + 24957ceee2cSliuzhongzhu HNS3_RING_TX_RING_BASEADDR_H_REG); 25057ceee2cSliuzhongzhu base_add_l = readl_relaxed(ring->tqp->io_base + 25157ceee2cSliuzhongzhu HNS3_RING_TX_RING_BASEADDR_L_REG); 252adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) BASE ADD: 0x%08x%08x\n", i, 25357ceee2cSliuzhongzhu base_add_h, base_add_l); 25457ceee2cSliuzhongzhu 25557ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 25657ceee2cSliuzhongzhu HNS3_RING_TX_RING_BD_NUM_REG); 257adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING BD NUM: %u\n", i, value); 25857ceee2cSliuzhongzhu 25957ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 26057ceee2cSliuzhongzhu HNS3_RING_TX_RING_TC_REG); 261adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING TC: %u\n", i, value); 26257ceee2cSliuzhongzhu 26357ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 26457ceee2cSliuzhongzhu HNS3_RING_TX_RING_TAIL_REG); 265adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING TAIL: %u\n", i, value); 26657ceee2cSliuzhongzhu 26757ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 26857ceee2cSliuzhongzhu HNS3_RING_TX_RING_HEAD_REG); 269adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING HEAD: %u\n", i, value); 27057ceee2cSliuzhongzhu 27157ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 27257ceee2cSliuzhongzhu HNS3_RING_TX_RING_FBDNUM_REG); 273adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING FBDNUM: %u\n", i, value); 27457ceee2cSliuzhongzhu 27557ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 27657ceee2cSliuzhongzhu HNS3_RING_TX_RING_OFFSET_REG); 277adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING OFFSET: %u\n", i, value); 27857ceee2cSliuzhongzhu 27957ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 28057ceee2cSliuzhongzhu HNS3_RING_TX_RING_PKTNUM_RECORD_REG); 281dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "TX(%u) RING PKTNUM: %u\n", i, value); 282dbaae5bbSGuangbin Huang 283dbaae5bbSGuangbin Huang value = readl_relaxed(ring->tqp->io_base + HNS3_RING_EN_REG); 284dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "TX/RX(%u) RING EN: %s\n", i, 285dbaae5bbSGuangbin Huang value ? "enable" : "disable"); 286dbaae5bbSGuangbin Huang 287dbaae5bbSGuangbin Huang if (hnae3_ae_dev_tqp_txrx_indep_supported(ae_dev)) { 288dbaae5bbSGuangbin Huang value = readl_relaxed(ring->tqp->io_base + 289dbaae5bbSGuangbin Huang HNS3_RING_TX_EN_REG); 290dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "TX(%u) RING EN: %s\n", i, 291dbaae5bbSGuangbin Huang value ? "enable" : "disable"); 292dbaae5bbSGuangbin Huang 293dbaae5bbSGuangbin Huang value = readl_relaxed(ring->tqp->io_base + 294dbaae5bbSGuangbin Huang HNS3_RING_RX_EN_REG); 295dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "RX(%u) RING EN: %s\n", i, 296dbaae5bbSGuangbin Huang value ? "enable" : "disable"); 297dbaae5bbSGuangbin Huang } 298dbaae5bbSGuangbin Huang 299dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "\n"); 30057ceee2cSliuzhongzhu } 30157ceee2cSliuzhongzhu 30257ceee2cSliuzhongzhu return 0; 30357ceee2cSliuzhongzhu } 30457ceee2cSliuzhongzhu 3050c29d191Sliuzhongzhu static int hns3_dbg_queue_map(struct hnae3_handle *h) 3060c29d191Sliuzhongzhu { 3070c29d191Sliuzhongzhu struct hns3_nic_priv *priv = h->priv; 3080c29d191Sliuzhongzhu int i; 3090c29d191Sliuzhongzhu 3100c29d191Sliuzhongzhu if (!h->ae_algo->ops->get_global_queue_id) 3110c29d191Sliuzhongzhu return -EOPNOTSUPP; 3120c29d191Sliuzhongzhu 3130c29d191Sliuzhongzhu dev_info(&h->pdev->dev, "map info for queue id and vector id\n"); 3140c29d191Sliuzhongzhu dev_info(&h->pdev->dev, 3150c29d191Sliuzhongzhu "local queue id | global queue id | vector id\n"); 3160c29d191Sliuzhongzhu for (i = 0; i < h->kinfo.num_tqps; i++) { 3170c29d191Sliuzhongzhu u16 global_qid; 3180c29d191Sliuzhongzhu 3190c29d191Sliuzhongzhu global_qid = h->ae_algo->ops->get_global_queue_id(h, i); 3205f06b903SYunsheng Lin if (!priv->ring || !priv->ring[i].tqp_vector) 3210c29d191Sliuzhongzhu continue; 3220c29d191Sliuzhongzhu 3230c29d191Sliuzhongzhu dev_info(&h->pdev->dev, 324c5aaf176SJiaran Zhang " %4d %4u %4d\n", 3255f06b903SYunsheng Lin i, global_qid, priv->ring[i].tqp_vector->vector_irq); 3260c29d191Sliuzhongzhu } 3270c29d191Sliuzhongzhu 3280c29d191Sliuzhongzhu return 0; 3290c29d191Sliuzhongzhu } 3300c29d191Sliuzhongzhu 33177e91848SHuazhong Tan static const struct hns3_dbg_item rx_bd_info_items[] = { 33277e91848SHuazhong Tan { "BD_IDX", 3 }, 33377e91848SHuazhong Tan { "L234_INFO", 2 }, 33477e91848SHuazhong Tan { "PKT_LEN", 3 }, 33577e91848SHuazhong Tan { "SIZE", 4 }, 33677e91848SHuazhong Tan { "RSS_HASH", 4 }, 33777e91848SHuazhong Tan { "FD_ID", 2 }, 33877e91848SHuazhong Tan { "VLAN_TAG", 2 }, 33977e91848SHuazhong Tan { "O_DM_VLAN_ID_FB", 2 }, 34077e91848SHuazhong Tan { "OT_VLAN_TAG", 2 }, 34177e91848SHuazhong Tan { "BD_BASE_INFO", 2 }, 34277e91848SHuazhong Tan { "PTYPE", 2 }, 34377e91848SHuazhong Tan { "HW_CSUM", 2 }, 34477e91848SHuazhong Tan }; 34577e91848SHuazhong Tan 34677e91848SHuazhong Tan static void hns3_dump_rx_bd_info(struct hns3_nic_priv *priv, 34777e91848SHuazhong Tan struct hns3_desc *desc, char **result, int idx) 348122bedc5Sliuzhongzhu { 34977e91848SHuazhong Tan unsigned int j = 0; 350122bedc5Sliuzhongzhu 35177e91848SHuazhong Tan sprintf(result[j++], "%5d", idx); 35277e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.l234_info)); 35377e91848SHuazhong Tan sprintf(result[j++], "%7u", le16_to_cpu(desc->rx.pkt_len)); 35477e91848SHuazhong Tan sprintf(result[j++], "%4u", le16_to_cpu(desc->rx.size)); 35577e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.rss_hash)); 35677e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->rx.fd_id)); 35777e91848SHuazhong Tan sprintf(result[j++], "%8u", le16_to_cpu(desc->rx.vlan_tag)); 35877e91848SHuazhong Tan sprintf(result[j++], "%15u", le16_to_cpu(desc->rx.o_dm_vlan_id_fb)); 35977e91848SHuazhong Tan sprintf(result[j++], "%11u", le16_to_cpu(desc->rx.ot_vlan_tag)); 36077e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.bd_base_info)); 36177e91848SHuazhong Tan if (test_bit(HNS3_NIC_STATE_RXD_ADV_LAYOUT_ENABLE, &priv->state)) { 36277e91848SHuazhong Tan u32 ol_info = le32_to_cpu(desc->rx.ol_info); 363122bedc5Sliuzhongzhu 36477e91848SHuazhong Tan sprintf(result[j++], "%5lu", hnae3_get_field(ol_info, 36577e91848SHuazhong Tan HNS3_RXD_PTYPE_M, 36677e91848SHuazhong Tan HNS3_RXD_PTYPE_S)); 36777e91848SHuazhong Tan sprintf(result[j++], "%7u", le16_to_cpu(desc->csum)); 368b1533adaSHuazhong Tan } else { 36977e91848SHuazhong Tan sprintf(result[j++], "NA"); 37077e91848SHuazhong Tan sprintf(result[j++], "NA"); 37177e91848SHuazhong Tan } 372b1533adaSHuazhong Tan } 373b1533adaSHuazhong Tan 37477e91848SHuazhong Tan static int hns3_dbg_rx_bd_info(struct hns3_dbg_data *d, char *buf, int len) 37577e91848SHuazhong Tan { 37677e91848SHuazhong Tan char data_str[ARRAY_SIZE(rx_bd_info_items)][HNS3_DBG_DATA_STR_LEN]; 37777e91848SHuazhong Tan struct hns3_nic_priv *priv = d->handle->priv; 37877e91848SHuazhong Tan char *result[ARRAY_SIZE(rx_bd_info_items)]; 37977e91848SHuazhong Tan char content[HNS3_DBG_INFO_LEN]; 38077e91848SHuazhong Tan struct hns3_enet_ring *ring; 38177e91848SHuazhong Tan struct hns3_desc *desc; 38277e91848SHuazhong Tan unsigned int i; 38377e91848SHuazhong Tan int pos = 0; 384122bedc5Sliuzhongzhu 38577e91848SHuazhong Tan if (d->qid >= d->handle->kinfo.num_tqps) { 38677e91848SHuazhong Tan dev_err(&d->handle->pdev->dev, 38777e91848SHuazhong Tan "queue%u is not in use\n", d->qid); 38877e91848SHuazhong Tan return -EINVAL; 38977e91848SHuazhong Tan } 390122bedc5Sliuzhongzhu 39177e91848SHuazhong Tan for (i = 0; i < ARRAY_SIZE(rx_bd_info_items); i++) 39277e91848SHuazhong Tan result[i] = &data_str[i][0]; 393b1533adaSHuazhong Tan 39477e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, 39577e91848SHuazhong Tan "Queue %u rx bd info:\n", d->qid); 39677e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), rx_bd_info_items, 39777e91848SHuazhong Tan NULL, ARRAY_SIZE(rx_bd_info_items)); 39877e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 39977e91848SHuazhong Tan 40077e91848SHuazhong Tan ring = &priv->ring[d->qid + d->handle->kinfo.num_tqps]; 40177e91848SHuazhong Tan for (i = 0; i < ring->desc_num; i++) { 40277e91848SHuazhong Tan desc = &ring->desc[i]; 40377e91848SHuazhong Tan 40477e91848SHuazhong Tan hns3_dump_rx_bd_info(priv, desc, result, i); 40577e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), 40677e91848SHuazhong Tan rx_bd_info_items, (const char **)result, 40777e91848SHuazhong Tan ARRAY_SIZE(rx_bd_info_items)); 40877e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 40977e91848SHuazhong Tan } 41077e91848SHuazhong Tan 41177e91848SHuazhong Tan return 0; 41277e91848SHuazhong Tan } 41377e91848SHuazhong Tan 41477e91848SHuazhong Tan static const struct hns3_dbg_item tx_bd_info_items[] = { 41577e91848SHuazhong Tan { "BD_IDX", 5 }, 41677e91848SHuazhong Tan { "ADDRESS", 2 }, 41777e91848SHuazhong Tan { "VLAN_TAG", 2 }, 41877e91848SHuazhong Tan { "SIZE", 2 }, 41977e91848SHuazhong Tan { "T_CS_VLAN_TSO", 2 }, 42077e91848SHuazhong Tan { "OT_VLAN_TAG", 3 }, 42177e91848SHuazhong Tan { "TV", 2 }, 42277e91848SHuazhong Tan { "OLT_VLAN_LEN", 2}, 42377e91848SHuazhong Tan { "PAYLEN_OL4CS", 2}, 42477e91848SHuazhong Tan { "BD_FE_SC_VLD", 2}, 42577e91848SHuazhong Tan { "MSS_HW_CSUM", 0}, 42677e91848SHuazhong Tan }; 42777e91848SHuazhong Tan 42877e91848SHuazhong Tan static void hns3_dump_tx_bd_info(struct hns3_nic_priv *priv, 42977e91848SHuazhong Tan struct hns3_desc *desc, char **result, int idx) 43077e91848SHuazhong Tan { 43177e91848SHuazhong Tan unsigned int j = 0; 43277e91848SHuazhong Tan 43377e91848SHuazhong Tan sprintf(result[j++], "%6d", idx); 43477e91848SHuazhong Tan sprintf(result[j++], "%#llx", le64_to_cpu(desc->addr)); 43577e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.vlan_tag)); 43677e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.send_size)); 43777e91848SHuazhong Tan sprintf(result[j++], "%#x", 43877e91848SHuazhong Tan le32_to_cpu(desc->tx.type_cs_vlan_tso_len)); 43977e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.outer_vlan_tag)); 44077e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.tv)); 44177e91848SHuazhong Tan sprintf(result[j++], "%10u", 44277e91848SHuazhong Tan le32_to_cpu(desc->tx.ol_type_vlan_len_msec)); 44377e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->tx.paylen_ol4cs)); 44477e91848SHuazhong Tan sprintf(result[j++], "%#x", le16_to_cpu(desc->tx.bdtp_fe_sc_vld_ra_ri)); 44577e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.mss_hw_csum)); 44677e91848SHuazhong Tan } 44777e91848SHuazhong Tan 44877e91848SHuazhong Tan static int hns3_dbg_tx_bd_info(struct hns3_dbg_data *d, char *buf, int len) 44977e91848SHuazhong Tan { 45077e91848SHuazhong Tan char data_str[ARRAY_SIZE(tx_bd_info_items)][HNS3_DBG_DATA_STR_LEN]; 45177e91848SHuazhong Tan struct hns3_nic_priv *priv = d->handle->priv; 45277e91848SHuazhong Tan char *result[ARRAY_SIZE(tx_bd_info_items)]; 45377e91848SHuazhong Tan char content[HNS3_DBG_INFO_LEN]; 45477e91848SHuazhong Tan struct hns3_enet_ring *ring; 45577e91848SHuazhong Tan struct hns3_desc *desc; 45677e91848SHuazhong Tan unsigned int i; 45777e91848SHuazhong Tan int pos = 0; 45877e91848SHuazhong Tan 45977e91848SHuazhong Tan if (d->qid >= d->handle->kinfo.num_tqps) { 46077e91848SHuazhong Tan dev_err(&d->handle->pdev->dev, 46177e91848SHuazhong Tan "queue%u is not in use\n", d->qid); 46277e91848SHuazhong Tan return -EINVAL; 46377e91848SHuazhong Tan } 46477e91848SHuazhong Tan 46577e91848SHuazhong Tan for (i = 0; i < ARRAY_SIZE(tx_bd_info_items); i++) 46677e91848SHuazhong Tan result[i] = &data_str[i][0]; 46777e91848SHuazhong Tan 46877e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, 46977e91848SHuazhong Tan "Queue %u tx bd info:\n", d->qid); 47077e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), tx_bd_info_items, 47177e91848SHuazhong Tan NULL, ARRAY_SIZE(tx_bd_info_items)); 47277e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 47377e91848SHuazhong Tan 47477e91848SHuazhong Tan ring = &priv->ring[d->qid]; 47577e91848SHuazhong Tan for (i = 0; i < ring->desc_num; i++) { 47677e91848SHuazhong Tan desc = &ring->desc[i]; 47777e91848SHuazhong Tan 47877e91848SHuazhong Tan hns3_dump_tx_bd_info(priv, desc, result, i); 47977e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), 48077e91848SHuazhong Tan tx_bd_info_items, (const char **)result, 48177e91848SHuazhong Tan ARRAY_SIZE(tx_bd_info_items)); 48277e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 48377e91848SHuazhong Tan } 484122bedc5Sliuzhongzhu 485122bedc5Sliuzhongzhu return 0; 486122bedc5Sliuzhongzhu } 487122bedc5Sliuzhongzhu 488b2292360Sliuzhongzhu static void hns3_dbg_help(struct hnae3_handle *h) 489b2292360Sliuzhongzhu { 49027cf979aSliuzhongzhu #define HNS3_DBG_BUF_LEN 256 49127cf979aSliuzhongzhu 49227cf979aSliuzhongzhu char printf_buf[HNS3_DBG_BUF_LEN]; 49327cf979aSliuzhongzhu 494b2292360Sliuzhongzhu dev_info(&h->pdev->dev, "available commands\n"); 495ed5b255bSYufeng Mo dev_info(&h->pdev->dev, "queue info <number>\n"); 4960c29d191Sliuzhongzhu dev_info(&h->pdev->dev, "queue map\n"); 49797afd47bSYufeng Mo 49897afd47bSYufeng Mo if (!hns3_is_phys_func(h->pdev)) 49997afd47bSYufeng Mo return; 50097afd47bSYufeng Mo 501b2292360Sliuzhongzhu dev_info(&h->pdev->dev, "dump fd tcam\n"); 5022849d4e7Sliuzhongzhu dev_info(&h->pdev->dev, "dump tc\n"); 503ed5b255bSYufeng Mo dev_info(&h->pdev->dev, "dump tm map <q_num>\n"); 50496227f4cSliuzhongzhu dev_info(&h->pdev->dev, "dump tm\n"); 505d958919dSliuzhongzhu dev_info(&h->pdev->dev, "dump qos pause cfg\n"); 5066fc22440Sliuzhongzhu dev_info(&h->pdev->dev, "dump qos pri map\n"); 5077d9d7f88Sliuzhongzhu dev_info(&h->pdev->dev, "dump qos buf cfg\n"); 508f02eb82dSHuazhong Tan dev_info(&h->pdev->dev, "dump reset info\n"); 50933a90e2fSZhongzhu Liu dev_info(&h->pdev->dev, "dump m7 info\n"); 510ffd140e2SWeihang Li dev_info(&h->pdev->dev, "dump ncl_config <offset> <length>(in hex)\n"); 511a6345787SWeihang Li dev_info(&h->pdev->dev, "dump mac tnl status\n"); 51289ec9485SYonglong Liu dev_info(&h->pdev->dev, "dump qs shaper [qs id]\n"); 51327cf979aSliuzhongzhu 51427cf979aSliuzhongzhu memset(printf_buf, 0, HNS3_DBG_BUF_LEN); 515ed5b255bSYufeng Mo strncat(printf_buf, "dump reg [[bios common] [ssu <port_id>]", 51627cf979aSliuzhongzhu HNS3_DBG_BUF_LEN - 1); 51727cf979aSliuzhongzhu strncat(printf_buf + strlen(printf_buf), 518ed5b255bSYufeng Mo " [igu egu <port_id>] [rpu <tc_queue_num>]", 51927cf979aSliuzhongzhu HNS3_DBG_BUF_LEN - strlen(printf_buf) - 1); 52027cf979aSliuzhongzhu strncat(printf_buf + strlen(printf_buf), 5215cb51cfeSYufeng Mo " [rtc] [ppp] [rcb] [tqp <queue_num>] [mac]]\n", 52227cf979aSliuzhongzhu HNS3_DBG_BUF_LEN - strlen(printf_buf) - 1); 52327cf979aSliuzhongzhu dev_info(&h->pdev->dev, "%s", printf_buf); 524c0ebebb9Sliuzhongzhu 525c0ebebb9Sliuzhongzhu memset(printf_buf, 0, HNS3_DBG_BUF_LEN); 526ed5b255bSYufeng Mo strncat(printf_buf, "dump reg dcb <port_id> <pri_id> <pg_id>", 527c0ebebb9Sliuzhongzhu HNS3_DBG_BUF_LEN - 1); 528ed5b255bSYufeng Mo strncat(printf_buf + strlen(printf_buf), " <rq_id> <nq_id> <qset_id>\n", 529c0ebebb9Sliuzhongzhu HNS3_DBG_BUF_LEN - strlen(printf_buf) - 1); 530c0ebebb9Sliuzhongzhu dev_info(&h->pdev->dev, "%s", printf_buf); 531b2292360Sliuzhongzhu } 532b2292360Sliuzhongzhu 533c929bc2aSJiaran Zhang static void 534c929bc2aSJiaran Zhang hns3_dbg_dev_caps(struct hnae3_handle *h, char *buf, int len, int *pos) 5359484e337SGuangbin Huang { 5369484e337SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 537c929bc2aSJiaran Zhang static const char * const str[] = {"no", "yes"}; 538c929bc2aSJiaran Zhang unsigned long *caps = ae_dev->caps; 539c929bc2aSJiaran Zhang u32 i, state; 5409484e337SGuangbin Huang 541c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "dev capability:\n"); 5429484e337SGuangbin Huang 543c929bc2aSJiaran Zhang for (i = 0; i < ARRAY_SIZE(hns3_dbg_cap); i++) { 544c929bc2aSJiaran Zhang state = test_bit(hns3_dbg_cap[i].cap_bit, caps); 545c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "%s: %s\n", 546c929bc2aSJiaran Zhang hns3_dbg_cap[i].name, str[state]); 5479484e337SGuangbin Huang } 5489484e337SGuangbin Huang 549c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "\n"); 550c929bc2aSJiaran Zhang } 551c929bc2aSJiaran Zhang 552c929bc2aSJiaran Zhang static void 553c929bc2aSJiaran Zhang hns3_dbg_dev_specs(struct hnae3_handle *h, char *buf, int len, int *pos) 554b4442ec5SGuangbin Huang { 555b4442ec5SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 556b4442ec5SGuangbin Huang struct hnae3_dev_specs *dev_specs = &ae_dev->dev_specs; 557b4442ec5SGuangbin Huang struct hnae3_knic_private_info *kinfo = &h->kinfo; 558b4442ec5SGuangbin Huang 559c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "dev_spec:\n"); 560c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAC entry num: %u\n", 561c929bc2aSJiaran Zhang dev_specs->mac_entry_num); 562c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MNG entry num: %u\n", 563c929bc2aSJiaran Zhang dev_specs->mng_entry_num); 564c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX non tso bd num: %u\n", 565b4442ec5SGuangbin Huang dev_specs->max_non_tso_bd_num); 566c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RSS ind tbl size: %u\n", 567b4442ec5SGuangbin Huang dev_specs->rss_ind_tbl_size); 568c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RSS key size: %u\n", 569c929bc2aSJiaran Zhang dev_specs->rss_key_size); 570c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RSS size: %u\n", 571c929bc2aSJiaran Zhang kinfo->rss_size); 572c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "Allocated RSS size: %u\n", 573c929bc2aSJiaran Zhang kinfo->req_rss_size); 574c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, 575c929bc2aSJiaran Zhang "Task queue pairs numbers: %u\n", 576c929bc2aSJiaran Zhang kinfo->num_tqps); 577c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RX buffer length: %u\n", 578c929bc2aSJiaran Zhang kinfo->rx_buf_len); 579c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "Desc num per TX queue: %u\n", 580c929bc2aSJiaran Zhang kinfo->num_tx_desc); 581c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "Desc num per RX queue: %u\n", 582c929bc2aSJiaran Zhang kinfo->num_rx_desc); 583c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, 584c929bc2aSJiaran Zhang "Total number of enabled TCs: %u\n", 58535244430SJian Shen kinfo->tc_info.num_tc); 586c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX INT QL: %u\n", 587c929bc2aSJiaran Zhang dev_specs->int_ql_max); 588c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX INT GL: %u\n", 589c929bc2aSJiaran Zhang dev_specs->max_int_gl); 590c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX TM RATE: %u\n", 591c929bc2aSJiaran Zhang dev_specs->max_tm_rate); 592c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX QSET number: %u\n", 593c929bc2aSJiaran Zhang dev_specs->max_qset_num); 594c929bc2aSJiaran Zhang } 595c929bc2aSJiaran Zhang 596c929bc2aSJiaran Zhang static int hns3_dbg_dev_info(struct hnae3_handle *h, char *buf, int len) 597c929bc2aSJiaran Zhang { 598c929bc2aSJiaran Zhang int pos = 0; 599c929bc2aSJiaran Zhang 600c929bc2aSJiaran Zhang hns3_dbg_dev_caps(h, buf, len, &pos); 601c929bc2aSJiaran Zhang 602c929bc2aSJiaran Zhang hns3_dbg_dev_specs(h, buf, len, &pos); 603c929bc2aSJiaran Zhang 604c929bc2aSJiaran Zhang return 0; 605b4442ec5SGuangbin Huang } 606b4442ec5SGuangbin Huang 607b2292360Sliuzhongzhu static ssize_t hns3_dbg_cmd_read(struct file *filp, char __user *buffer, 608b2292360Sliuzhongzhu size_t count, loff_t *ppos) 609b2292360Sliuzhongzhu { 610b2292360Sliuzhongzhu int uncopy_bytes; 611b2292360Sliuzhongzhu char *buf; 612b2292360Sliuzhongzhu int len; 613b2292360Sliuzhongzhu 614b2292360Sliuzhongzhu if (*ppos != 0) 615b2292360Sliuzhongzhu return 0; 616b2292360Sliuzhongzhu 617b2292360Sliuzhongzhu if (count < HNS3_DBG_READ_LEN) 618b2292360Sliuzhongzhu return -ENOSPC; 619b2292360Sliuzhongzhu 620b2292360Sliuzhongzhu buf = kzalloc(HNS3_DBG_READ_LEN, GFP_KERNEL); 621b2292360Sliuzhongzhu if (!buf) 622b2292360Sliuzhongzhu return -ENOMEM; 623b2292360Sliuzhongzhu 62449e211c0SChen Zhou len = scnprintf(buf, HNS3_DBG_READ_LEN, "%s\n", 625b2292360Sliuzhongzhu "Please echo help to cmd to get help information"); 626b2292360Sliuzhongzhu uncopy_bytes = copy_to_user(buffer, buf, len); 627b2292360Sliuzhongzhu 628b2292360Sliuzhongzhu kfree(buf); 629b2292360Sliuzhongzhu 630b2292360Sliuzhongzhu if (uncopy_bytes) 631b2292360Sliuzhongzhu return -EFAULT; 632b2292360Sliuzhongzhu 633b2292360Sliuzhongzhu return (*ppos = len); 634b2292360Sliuzhongzhu } 635b2292360Sliuzhongzhu 636c318af3fSPeng Li static int hns3_dbg_check_cmd(struct hnae3_handle *handle, char *cmd_buf) 637c318af3fSPeng Li { 638c318af3fSPeng Li int ret = 0; 639c318af3fSPeng Li 640c318af3fSPeng Li if (strncmp(cmd_buf, "help", 4) == 0) 641c318af3fSPeng Li hns3_dbg_help(handle); 642c318af3fSPeng Li else if (strncmp(cmd_buf, "queue info", 10) == 0) 643c318af3fSPeng Li ret = hns3_dbg_queue_info(handle, cmd_buf); 644c318af3fSPeng Li else if (strncmp(cmd_buf, "queue map", 9) == 0) 645c318af3fSPeng Li ret = hns3_dbg_queue_map(handle); 646c318af3fSPeng Li else if (handle->ae_algo->ops->dbg_run_cmd) 647c318af3fSPeng Li ret = handle->ae_algo->ops->dbg_run_cmd(handle, cmd_buf); 648c318af3fSPeng Li else 649c318af3fSPeng Li ret = -EOPNOTSUPP; 650c318af3fSPeng Li 651c318af3fSPeng Li return ret; 652c318af3fSPeng Li } 653c318af3fSPeng Li 654b2292360Sliuzhongzhu static ssize_t hns3_dbg_cmd_write(struct file *filp, const char __user *buffer, 655b2292360Sliuzhongzhu size_t count, loff_t *ppos) 656b2292360Sliuzhongzhu { 657b2292360Sliuzhongzhu struct hnae3_handle *handle = filp->private_data; 65857ceee2cSliuzhongzhu struct hns3_nic_priv *priv = handle->priv; 659b2292360Sliuzhongzhu char *cmd_buf, *cmd_buf_tmp; 660b2292360Sliuzhongzhu int uncopied_bytes; 661c318af3fSPeng Li int ret; 662b2292360Sliuzhongzhu 663b2292360Sliuzhongzhu if (*ppos != 0) 664b2292360Sliuzhongzhu return 0; 665b2292360Sliuzhongzhu 66657ceee2cSliuzhongzhu /* Judge if the instance is being reset. */ 6677737f1fbSliuzhongzhu if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 66857ceee2cSliuzhongzhu test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) 66957ceee2cSliuzhongzhu return 0; 67057ceee2cSliuzhongzhu 6717ac243f9SYufeng Mo if (count > HNS3_DBG_WRITE_LEN) 6727ac243f9SYufeng Mo return -ENOSPC; 6737ac243f9SYufeng Mo 674b2292360Sliuzhongzhu cmd_buf = kzalloc(count + 1, GFP_KERNEL); 675b2292360Sliuzhongzhu if (!cmd_buf) 676b2292360Sliuzhongzhu return count; 677b2292360Sliuzhongzhu 678b2292360Sliuzhongzhu uncopied_bytes = copy_from_user(cmd_buf, buffer, count); 679b2292360Sliuzhongzhu if (uncopied_bytes) { 680b2292360Sliuzhongzhu kfree(cmd_buf); 681b2292360Sliuzhongzhu return -EFAULT; 682b2292360Sliuzhongzhu } 683b2292360Sliuzhongzhu 684b2292360Sliuzhongzhu cmd_buf[count] = '\0'; 685b2292360Sliuzhongzhu 686b2292360Sliuzhongzhu cmd_buf_tmp = strchr(cmd_buf, '\n'); 687b2292360Sliuzhongzhu if (cmd_buf_tmp) { 688b2292360Sliuzhongzhu *cmd_buf_tmp = '\0'; 689b2292360Sliuzhongzhu count = cmd_buf_tmp - cmd_buf + 1; 690b2292360Sliuzhongzhu } 691b2292360Sliuzhongzhu 692c318af3fSPeng Li ret = hns3_dbg_check_cmd(handle, cmd_buf); 693b2292360Sliuzhongzhu if (ret) 694b2292360Sliuzhongzhu hns3_dbg_help(handle); 695b2292360Sliuzhongzhu 696b2292360Sliuzhongzhu kfree(cmd_buf); 697b2292360Sliuzhongzhu cmd_buf = NULL; 698b2292360Sliuzhongzhu 699b2292360Sliuzhongzhu return count; 700b2292360Sliuzhongzhu } 701b2292360Sliuzhongzhu 7025e69ea7eSYufeng Mo static int hns3_dbg_get_cmd_index(struct hnae3_handle *handle, 7035e69ea7eSYufeng Mo const unsigned char *name, u32 *index) 7045e69ea7eSYufeng Mo { 7055e69ea7eSYufeng Mo u32 i; 7065e69ea7eSYufeng Mo 7075e69ea7eSYufeng Mo for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) { 7085e69ea7eSYufeng Mo if (!strncmp(name, hns3_dbg_cmd[i].name, 7095e69ea7eSYufeng Mo strlen(hns3_dbg_cmd[i].name))) { 7105e69ea7eSYufeng Mo *index = i; 7115e69ea7eSYufeng Mo return 0; 7125e69ea7eSYufeng Mo } 7135e69ea7eSYufeng Mo } 7145e69ea7eSYufeng Mo 7155e69ea7eSYufeng Mo dev_err(&handle->pdev->dev, "unknown command(%s)\n", name); 7165e69ea7eSYufeng Mo return -EINVAL; 7175e69ea7eSYufeng Mo } 7185e69ea7eSYufeng Mo 719c929bc2aSJiaran Zhang static const struct hns3_dbg_func hns3_dbg_cmd_func[] = { 720c929bc2aSJiaran Zhang { 721c929bc2aSJiaran Zhang .cmd = HNAE3_DBG_CMD_DEV_INFO, 722c929bc2aSJiaran Zhang .dbg_dump = hns3_dbg_dev_info, 723c929bc2aSJiaran Zhang }, 72477e91848SHuazhong Tan { 72577e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_TX_BD, 72677e91848SHuazhong Tan .dbg_dump_bd = hns3_dbg_tx_bd_info, 72777e91848SHuazhong Tan }, 72877e91848SHuazhong Tan { 72977e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_RX_BD, 73077e91848SHuazhong Tan .dbg_dump_bd = hns3_dbg_rx_bd_info, 73177e91848SHuazhong Tan }, 732c929bc2aSJiaran Zhang }; 733c929bc2aSJiaran Zhang 73477e91848SHuazhong Tan static int hns3_dbg_read_cmd(struct hns3_dbg_data *dbg_data, 7355e69ea7eSYufeng Mo enum hnae3_dbg_cmd cmd, char *buf, int len) 7365e69ea7eSYufeng Mo { 73777e91848SHuazhong Tan const struct hnae3_ae_ops *ops = dbg_data->handle->ae_algo->ops; 73877e91848SHuazhong Tan const struct hns3_dbg_func *cmd_func; 739c929bc2aSJiaran Zhang u32 i; 740c929bc2aSJiaran Zhang 741c929bc2aSJiaran Zhang for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd_func); i++) { 74277e91848SHuazhong Tan if (cmd == hns3_dbg_cmd_func[i].cmd) { 74377e91848SHuazhong Tan cmd_func = &hns3_dbg_cmd_func[i]; 74477e91848SHuazhong Tan if (cmd_func->dbg_dump) 74577e91848SHuazhong Tan return cmd_func->dbg_dump(dbg_data->handle, buf, 74677e91848SHuazhong Tan len); 74777e91848SHuazhong Tan else 74877e91848SHuazhong Tan return cmd_func->dbg_dump_bd(dbg_data, buf, 74977e91848SHuazhong Tan len); 75077e91848SHuazhong Tan } 751c929bc2aSJiaran Zhang } 7525e69ea7eSYufeng Mo 7535e69ea7eSYufeng Mo if (!ops->dbg_read_cmd) 7545e69ea7eSYufeng Mo return -EOPNOTSUPP; 7555e69ea7eSYufeng Mo 75677e91848SHuazhong Tan return ops->dbg_read_cmd(dbg_data->handle, cmd, buf, len); 7575e69ea7eSYufeng Mo } 7585e69ea7eSYufeng Mo 75904987ca1SGuangbin Huang static ssize_t hns3_dbg_read(struct file *filp, char __user *buffer, 76004987ca1SGuangbin Huang size_t count, loff_t *ppos) 76104987ca1SGuangbin Huang { 76277e91848SHuazhong Tan struct hns3_dbg_data *dbg_data = filp->private_data; 76377e91848SHuazhong Tan struct hnae3_handle *handle = dbg_data->handle; 76404987ca1SGuangbin Huang struct hns3_nic_priv *priv = handle->priv; 76504987ca1SGuangbin Huang ssize_t size = 0; 7665e69ea7eSYufeng Mo char **save_buf; 7675e69ea7eSYufeng Mo char *read_buf; 7685e69ea7eSYufeng Mo u32 index; 7695e69ea7eSYufeng Mo int ret; 77004987ca1SGuangbin Huang 7715e69ea7eSYufeng Mo ret = hns3_dbg_get_cmd_index(handle, filp->f_path.dentry->d_iname, 7725e69ea7eSYufeng Mo &index); 7735e69ea7eSYufeng Mo if (ret) 7745e69ea7eSYufeng Mo return ret; 7755e69ea7eSYufeng Mo 7765e69ea7eSYufeng Mo save_buf = &hns3_dbg_cmd[index].buf; 7775e69ea7eSYufeng Mo 7785e69ea7eSYufeng Mo if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 7795e69ea7eSYufeng Mo test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) { 7805e69ea7eSYufeng Mo ret = -EBUSY; 7815e69ea7eSYufeng Mo goto out; 7825e69ea7eSYufeng Mo } 7835e69ea7eSYufeng Mo 7845e69ea7eSYufeng Mo if (*save_buf) { 7855e69ea7eSYufeng Mo read_buf = *save_buf; 7865e69ea7eSYufeng Mo } else { 7875e69ea7eSYufeng Mo read_buf = kvzalloc(hns3_dbg_cmd[index].buf_len, GFP_KERNEL); 78804987ca1SGuangbin Huang if (!read_buf) 78904987ca1SGuangbin Huang return -ENOMEM; 79004987ca1SGuangbin Huang 7915e69ea7eSYufeng Mo /* save the buffer addr until the last read operation */ 7925e69ea7eSYufeng Mo *save_buf = read_buf; 7935e69ea7eSYufeng Mo } 79404987ca1SGuangbin Huang 7955e69ea7eSYufeng Mo /* get data ready for the first time to read */ 7965e69ea7eSYufeng Mo if (!*ppos) { 79777e91848SHuazhong Tan ret = hns3_dbg_read_cmd(dbg_data, hns3_dbg_cmd[index].cmd, 7985e69ea7eSYufeng Mo read_buf, hns3_dbg_cmd[index].buf_len); 7995e69ea7eSYufeng Mo if (ret) 80004987ca1SGuangbin Huang goto out; 80104987ca1SGuangbin Huang } 80204987ca1SGuangbin Huang 80304987ca1SGuangbin Huang size = simple_read_from_buffer(buffer, count, ppos, read_buf, 80404987ca1SGuangbin Huang strlen(read_buf)); 8055e69ea7eSYufeng Mo if (size > 0) 8065e69ea7eSYufeng Mo return size; 80704987ca1SGuangbin Huang 80804987ca1SGuangbin Huang out: 8095e69ea7eSYufeng Mo /* free the buffer for the last read operation */ 8105e69ea7eSYufeng Mo if (*save_buf) { 8115e69ea7eSYufeng Mo kvfree(*save_buf); 8125e69ea7eSYufeng Mo *save_buf = NULL; 8135e69ea7eSYufeng Mo } 8145e69ea7eSYufeng Mo 8155e69ea7eSYufeng Mo return ret; 81604987ca1SGuangbin Huang } 81704987ca1SGuangbin Huang 818b2292360Sliuzhongzhu static const struct file_operations hns3_dbg_cmd_fops = { 819b2292360Sliuzhongzhu .owner = THIS_MODULE, 820b2292360Sliuzhongzhu .open = simple_open, 821b2292360Sliuzhongzhu .read = hns3_dbg_cmd_read, 822b2292360Sliuzhongzhu .write = hns3_dbg_cmd_write, 823b2292360Sliuzhongzhu }; 824b2292360Sliuzhongzhu 82504987ca1SGuangbin Huang static const struct file_operations hns3_dbg_fops = { 82604987ca1SGuangbin Huang .owner = THIS_MODULE, 82704987ca1SGuangbin Huang .open = simple_open, 82804987ca1SGuangbin Huang .read = hns3_dbg_read, 82904987ca1SGuangbin Huang }; 83004987ca1SGuangbin Huang 83177e91848SHuazhong Tan static int hns3_dbg_bd_file_init(struct hnae3_handle *handle, u32 cmd) 83277e91848SHuazhong Tan { 83377e91848SHuazhong Tan struct dentry *entry_dir; 83477e91848SHuazhong Tan struct hns3_dbg_data *data; 83577e91848SHuazhong Tan u16 max_queue_num; 83677e91848SHuazhong Tan unsigned int i; 83777e91848SHuazhong Tan 83877e91848SHuazhong Tan entry_dir = hns3_dbg_dentry[hns3_dbg_cmd[cmd].dentry].dentry; 83977e91848SHuazhong Tan max_queue_num = hns3_get_max_available_channels(handle); 84077e91848SHuazhong Tan data = devm_kzalloc(&handle->pdev->dev, max_queue_num * sizeof(*data), 84177e91848SHuazhong Tan GFP_KERNEL); 84277e91848SHuazhong Tan if (!data) 84377e91848SHuazhong Tan return -ENOMEM; 84477e91848SHuazhong Tan 84577e91848SHuazhong Tan for (i = 0; i < max_queue_num; i++) { 84677e91848SHuazhong Tan char name[HNS3_DBG_FILE_NAME_LEN]; 84777e91848SHuazhong Tan 84877e91848SHuazhong Tan data[i].handle = handle; 84977e91848SHuazhong Tan data[i].qid = i; 85077e91848SHuazhong Tan sprintf(name, "%s%u", hns3_dbg_cmd[cmd].name, i); 85177e91848SHuazhong Tan debugfs_create_file(name, 0400, entry_dir, &data[i], 85277e91848SHuazhong Tan &hns3_dbg_fops); 85377e91848SHuazhong Tan } 85477e91848SHuazhong Tan 85577e91848SHuazhong Tan return 0; 85677e91848SHuazhong Tan } 85777e91848SHuazhong Tan 8585e69ea7eSYufeng Mo static int 8595e69ea7eSYufeng Mo hns3_dbg_common_file_init(struct hnae3_handle *handle, u32 cmd) 8605e69ea7eSYufeng Mo { 86177e91848SHuazhong Tan struct hns3_dbg_data *data; 8625e69ea7eSYufeng Mo struct dentry *entry_dir; 8635e69ea7eSYufeng Mo 86477e91848SHuazhong Tan data = devm_kzalloc(&handle->pdev->dev, sizeof(*data), GFP_KERNEL); 86577e91848SHuazhong Tan if (!data) 86677e91848SHuazhong Tan return -ENOMEM; 86777e91848SHuazhong Tan 86877e91848SHuazhong Tan data->handle = handle; 8695e69ea7eSYufeng Mo entry_dir = hns3_dbg_dentry[hns3_dbg_cmd[cmd].dentry].dentry; 8705e69ea7eSYufeng Mo debugfs_create_file(hns3_dbg_cmd[cmd].name, 0400, entry_dir, 87177e91848SHuazhong Tan data, &hns3_dbg_fops); 8725e69ea7eSYufeng Mo 8735e69ea7eSYufeng Mo return 0; 8745e69ea7eSYufeng Mo } 8755e69ea7eSYufeng Mo 8765e69ea7eSYufeng Mo int hns3_dbg_init(struct hnae3_handle *handle) 877b2292360Sliuzhongzhu { 87804987ca1SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 879b2292360Sliuzhongzhu const char *name = pci_name(handle->pdev); 8805e69ea7eSYufeng Mo int ret; 8815e69ea7eSYufeng Mo u32 i; 882b2292360Sliuzhongzhu 8835e69ea7eSYufeng Mo hns3_dbg_dentry[HNS3_DBG_DENTRY_COMMON].dentry = 8845e69ea7eSYufeng Mo debugfs_create_dir(name, hns3_dbgfs_root); 8855e69ea7eSYufeng Mo handle->hnae3_dbgfs = hns3_dbg_dentry[HNS3_DBG_DENTRY_COMMON].dentry; 886b2292360Sliuzhongzhu 88711ab11e6SGreg Kroah-Hartman debugfs_create_file("cmd", 0600, handle->hnae3_dbgfs, handle, 888b2292360Sliuzhongzhu &hns3_dbg_cmd_fops); 88904987ca1SGuangbin Huang 8905e69ea7eSYufeng Mo for (i = 0; i < HNS3_DBG_DENTRY_COMMON; i++) 8915e69ea7eSYufeng Mo hns3_dbg_dentry[i].dentry = 8925e69ea7eSYufeng Mo debugfs_create_dir(hns3_dbg_dentry[i].name, 8935e69ea7eSYufeng Mo handle->hnae3_dbgfs); 8945e69ea7eSYufeng Mo 8955e69ea7eSYufeng Mo for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) { 8965e69ea7eSYufeng Mo if (hns3_dbg_cmd[i].cmd == HNAE3_DBG_CMD_TM_NODES && 8975e69ea7eSYufeng Mo ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2) 8985e69ea7eSYufeng Mo continue; 8995e69ea7eSYufeng Mo 9005e69ea7eSYufeng Mo if (!hns3_dbg_cmd[i].init) { 9015e69ea7eSYufeng Mo dev_err(&handle->pdev->dev, 9025e69ea7eSYufeng Mo "cmd %s lack of init func\n", 9035e69ea7eSYufeng Mo hns3_dbg_cmd[i].name); 9045e69ea7eSYufeng Mo ret = -EINVAL; 9055e69ea7eSYufeng Mo goto out; 9065e69ea7eSYufeng Mo } 9075e69ea7eSYufeng Mo 9085e69ea7eSYufeng Mo ret = hns3_dbg_cmd[i].init(handle, i); 9095e69ea7eSYufeng Mo if (ret) { 9105e69ea7eSYufeng Mo dev_err(&handle->pdev->dev, "failed to init cmd %s\n", 9115e69ea7eSYufeng Mo hns3_dbg_cmd[i].name); 9125e69ea7eSYufeng Mo goto out; 9135e69ea7eSYufeng Mo } 9145e69ea7eSYufeng Mo } 9155e69ea7eSYufeng Mo 9165e69ea7eSYufeng Mo return 0; 9175e69ea7eSYufeng Mo 9185e69ea7eSYufeng Mo out: 9195e69ea7eSYufeng Mo debugfs_remove_recursive(handle->hnae3_dbgfs); 9205e69ea7eSYufeng Mo handle->hnae3_dbgfs = NULL; 9215e69ea7eSYufeng Mo return ret; 922b2292360Sliuzhongzhu } 923b2292360Sliuzhongzhu 924b2292360Sliuzhongzhu void hns3_dbg_uninit(struct hnae3_handle *handle) 925b2292360Sliuzhongzhu { 9265e69ea7eSYufeng Mo u32 i; 9275e69ea7eSYufeng Mo 9285e69ea7eSYufeng Mo for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) 9295e69ea7eSYufeng Mo if (hns3_dbg_cmd[i].buf) { 9305e69ea7eSYufeng Mo kvfree(hns3_dbg_cmd[i].buf); 9315e69ea7eSYufeng Mo hns3_dbg_cmd[i].buf = NULL; 9325e69ea7eSYufeng Mo } 9335e69ea7eSYufeng Mo 934b2292360Sliuzhongzhu debugfs_remove_recursive(handle->hnae3_dbgfs); 935b2292360Sliuzhongzhu handle->hnae3_dbgfs = NULL; 936b2292360Sliuzhongzhu } 937b2292360Sliuzhongzhu 938b2292360Sliuzhongzhu void hns3_dbg_register_debugfs(const char *debugfs_dir_name) 939b2292360Sliuzhongzhu { 940b2292360Sliuzhongzhu hns3_dbgfs_root = debugfs_create_dir(debugfs_dir_name, NULL); 941b2292360Sliuzhongzhu } 942b2292360Sliuzhongzhu 943b2292360Sliuzhongzhu void hns3_dbg_unregister_debugfs(void) 944b2292360Sliuzhongzhu { 945b2292360Sliuzhongzhu debugfs_remove_recursive(hns3_dbgfs_root); 946b2292360Sliuzhongzhu hns3_dbgfs_root = NULL; 947b2292360Sliuzhongzhu } 948