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 }, 100*d658ff34SYufeng Mo { 101*d658ff34SYufeng Mo .name = "loopback", 102*d658ff34SYufeng Mo .cmd = HNAE3_DBG_CMD_LOOPBACK, 103*d658ff34SYufeng Mo .dentry = HNS3_DBG_DENTRY_COMMON, 104*d658ff34SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 105*d658ff34SYufeng Mo .init = hns3_dbg_common_file_init, 106*d658ff34SYufeng Mo }, 107c929bc2aSJiaran Zhang }; 108c929bc2aSJiaran Zhang 109c929bc2aSJiaran Zhang static struct hns3_dbg_cap_info hns3_dbg_cap[] = { 110c929bc2aSJiaran Zhang { 111c929bc2aSJiaran Zhang .name = "support FD", 112c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_FD_B, 113c929bc2aSJiaran Zhang }, { 114c929bc2aSJiaran Zhang .name = "support GRO", 115c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_GRO_B, 116c929bc2aSJiaran Zhang }, { 117c929bc2aSJiaran Zhang .name = "support FEC", 118c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_FEC_B, 119c929bc2aSJiaran Zhang }, { 120c929bc2aSJiaran Zhang .name = "support UDP GSO", 121c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_UDP_GSO_B, 122c929bc2aSJiaran Zhang }, { 123c929bc2aSJiaran Zhang .name = "support PTP", 124c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_PTP_B, 125c929bc2aSJiaran Zhang }, { 126c929bc2aSJiaran Zhang .name = "support INT QL", 127c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_INT_QL_B, 128c929bc2aSJiaran Zhang }, { 129c929bc2aSJiaran Zhang .name = "support HW TX csum", 130c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_HW_TX_CSUM_B, 131c929bc2aSJiaran Zhang }, { 132c929bc2aSJiaran Zhang .name = "support UDP tunnel csum", 133c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_UDP_TUNNEL_CSUM_B, 134c929bc2aSJiaran Zhang }, { 135c929bc2aSJiaran Zhang .name = "support TX push", 136c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_TX_PUSH_B, 137c929bc2aSJiaran Zhang }, { 138c929bc2aSJiaran Zhang .name = "support imp-controlled PHY", 139c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_PHY_IMP_B, 140c929bc2aSJiaran Zhang }, { 141c929bc2aSJiaran Zhang .name = "support rxd advanced layout", 142c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_RXD_ADV_LAYOUT_B, 143c929bc2aSJiaran Zhang }, 1445e69ea7eSYufeng Mo }; 1455e69ea7eSYufeng Mo 14677e91848SHuazhong Tan static void hns3_dbg_fill_content(char *content, u16 len, 14777e91848SHuazhong Tan const struct hns3_dbg_item *items, 14877e91848SHuazhong Tan const char **result, u16 size) 14977e91848SHuazhong Tan { 15077e91848SHuazhong Tan char *pos = content; 15177e91848SHuazhong Tan u16 i; 15277e91848SHuazhong Tan 15377e91848SHuazhong Tan memset(content, ' ', len); 15477e91848SHuazhong Tan for (i = 0; i < size; i++) { 15577e91848SHuazhong Tan if (result) 15677e91848SHuazhong Tan strncpy(pos, result[i], strlen(result[i])); 15777e91848SHuazhong Tan else 15877e91848SHuazhong Tan strncpy(pos, items[i].name, strlen(items[i].name)); 15977e91848SHuazhong Tan 16077e91848SHuazhong Tan pos += strlen(items[i].name) + items[i].interval; 16177e91848SHuazhong Tan } 16277e91848SHuazhong Tan 16377e91848SHuazhong Tan *pos++ = '\n'; 16477e91848SHuazhong Tan *pos++ = '\0'; 16577e91848SHuazhong Tan } 16677e91848SHuazhong Tan 167ebaf1908SWeihang Li static int hns3_dbg_queue_info(struct hnae3_handle *h, 168ebaf1908SWeihang Li const char *cmd_buf) 16957ceee2cSliuzhongzhu { 170dbaae5bbSGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 17157ceee2cSliuzhongzhu struct hns3_nic_priv *priv = h->priv; 17257ceee2cSliuzhongzhu struct hns3_enet_ring *ring; 17357ceee2cSliuzhongzhu u32 base_add_l, base_add_h; 17457ceee2cSliuzhongzhu u32 queue_num, queue_max; 1759d8d5a36SYufeng Mo u32 value, i; 17657ceee2cSliuzhongzhu int cnt; 17757ceee2cSliuzhongzhu 1785f06b903SYunsheng Lin if (!priv->ring) { 1795f06b903SYunsheng Lin dev_err(&h->pdev->dev, "priv->ring is NULL\n"); 18057ceee2cSliuzhongzhu return -EFAULT; 18157ceee2cSliuzhongzhu } 18257ceee2cSliuzhongzhu 18357ceee2cSliuzhongzhu queue_max = h->kinfo.num_tqps; 18457ceee2cSliuzhongzhu cnt = kstrtouint(&cmd_buf[11], 0, &queue_num); 18557ceee2cSliuzhongzhu if (cnt) 18657ceee2cSliuzhongzhu queue_num = 0; 18757ceee2cSliuzhongzhu else 18857ceee2cSliuzhongzhu queue_max = queue_num + 1; 18957ceee2cSliuzhongzhu 19057ceee2cSliuzhongzhu dev_info(&h->pdev->dev, "queue info\n"); 19157ceee2cSliuzhongzhu 19257ceee2cSliuzhongzhu if (queue_num >= h->kinfo.num_tqps) { 19357ceee2cSliuzhongzhu dev_err(&h->pdev->dev, 194ed5b255bSYufeng Mo "Queue number(%u) is out of range(0-%u)\n", queue_num, 19557ceee2cSliuzhongzhu h->kinfo.num_tqps - 1); 19657ceee2cSliuzhongzhu return -EINVAL; 19757ceee2cSliuzhongzhu } 19857ceee2cSliuzhongzhu 19957ceee2cSliuzhongzhu for (i = queue_num; i < queue_max; i++) { 20057ceee2cSliuzhongzhu /* Each cycle needs to determine whether the instance is reset, 20157ceee2cSliuzhongzhu * to prevent reference to invalid memory. And need to ensure 20257ceee2cSliuzhongzhu * that the following code is executed within 100ms. 20357ceee2cSliuzhongzhu */ 2047737f1fbSliuzhongzhu if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 20557ceee2cSliuzhongzhu test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) 20657ceee2cSliuzhongzhu return -EPERM; 20757ceee2cSliuzhongzhu 2085f06b903SYunsheng Lin ring = &priv->ring[(u32)(i + h->kinfo.num_tqps)]; 20957ceee2cSliuzhongzhu base_add_h = readl_relaxed(ring->tqp->io_base + 21057ceee2cSliuzhongzhu HNS3_RING_RX_RING_BASEADDR_H_REG); 21157ceee2cSliuzhongzhu base_add_l = readl_relaxed(ring->tqp->io_base + 21257ceee2cSliuzhongzhu HNS3_RING_RX_RING_BASEADDR_L_REG); 213adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) BASE ADD: 0x%08x%08x\n", i, 21457ceee2cSliuzhongzhu base_add_h, base_add_l); 21557ceee2cSliuzhongzhu 21657ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 21757ceee2cSliuzhongzhu HNS3_RING_RX_RING_BD_NUM_REG); 218adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING BD NUM: %u\n", i, value); 21957ceee2cSliuzhongzhu 22057ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 22157ceee2cSliuzhongzhu HNS3_RING_RX_RING_BD_LEN_REG); 222adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING BD LEN: %u\n", i, value); 22357ceee2cSliuzhongzhu 22457ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 22557ceee2cSliuzhongzhu HNS3_RING_RX_RING_TAIL_REG); 226adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING TAIL: %u\n", i, value); 22757ceee2cSliuzhongzhu 22857ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 22957ceee2cSliuzhongzhu HNS3_RING_RX_RING_HEAD_REG); 230adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING HEAD: %u\n", i, value); 23157ceee2cSliuzhongzhu 23257ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 23357ceee2cSliuzhongzhu HNS3_RING_RX_RING_FBDNUM_REG); 234adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING FBDNUM: %u\n", i, value); 23557ceee2cSliuzhongzhu 23657ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 23757ceee2cSliuzhongzhu HNS3_RING_RX_RING_PKTNUM_RECORD_REG); 238adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING PKTNUM: %u\n", i, value); 23957ceee2cSliuzhongzhu 2405f06b903SYunsheng Lin ring = &priv->ring[i]; 24157ceee2cSliuzhongzhu base_add_h = readl_relaxed(ring->tqp->io_base + 24257ceee2cSliuzhongzhu HNS3_RING_TX_RING_BASEADDR_H_REG); 24357ceee2cSliuzhongzhu base_add_l = readl_relaxed(ring->tqp->io_base + 24457ceee2cSliuzhongzhu HNS3_RING_TX_RING_BASEADDR_L_REG); 245adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) BASE ADD: 0x%08x%08x\n", i, 24657ceee2cSliuzhongzhu base_add_h, base_add_l); 24757ceee2cSliuzhongzhu 24857ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 24957ceee2cSliuzhongzhu HNS3_RING_TX_RING_BD_NUM_REG); 250adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING BD NUM: %u\n", i, value); 25157ceee2cSliuzhongzhu 25257ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 25357ceee2cSliuzhongzhu HNS3_RING_TX_RING_TC_REG); 254adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING TC: %u\n", i, value); 25557ceee2cSliuzhongzhu 25657ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 25757ceee2cSliuzhongzhu HNS3_RING_TX_RING_TAIL_REG); 258adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING TAIL: %u\n", i, value); 25957ceee2cSliuzhongzhu 26057ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 26157ceee2cSliuzhongzhu HNS3_RING_TX_RING_HEAD_REG); 262adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING HEAD: %u\n", i, value); 26357ceee2cSliuzhongzhu 26457ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 26557ceee2cSliuzhongzhu HNS3_RING_TX_RING_FBDNUM_REG); 266adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING FBDNUM: %u\n", i, value); 26757ceee2cSliuzhongzhu 26857ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 26957ceee2cSliuzhongzhu HNS3_RING_TX_RING_OFFSET_REG); 270adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING OFFSET: %u\n", i, value); 27157ceee2cSliuzhongzhu 27257ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 27357ceee2cSliuzhongzhu HNS3_RING_TX_RING_PKTNUM_RECORD_REG); 274dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "TX(%u) RING PKTNUM: %u\n", i, value); 275dbaae5bbSGuangbin Huang 276dbaae5bbSGuangbin Huang value = readl_relaxed(ring->tqp->io_base + HNS3_RING_EN_REG); 277dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "TX/RX(%u) RING EN: %s\n", i, 278dbaae5bbSGuangbin Huang value ? "enable" : "disable"); 279dbaae5bbSGuangbin Huang 280dbaae5bbSGuangbin Huang if (hnae3_ae_dev_tqp_txrx_indep_supported(ae_dev)) { 281dbaae5bbSGuangbin Huang value = readl_relaxed(ring->tqp->io_base + 282dbaae5bbSGuangbin Huang HNS3_RING_TX_EN_REG); 283dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "TX(%u) RING EN: %s\n", i, 284dbaae5bbSGuangbin Huang value ? "enable" : "disable"); 285dbaae5bbSGuangbin Huang 286dbaae5bbSGuangbin Huang value = readl_relaxed(ring->tqp->io_base + 287dbaae5bbSGuangbin Huang HNS3_RING_RX_EN_REG); 288dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "RX(%u) RING EN: %s\n", i, 289dbaae5bbSGuangbin Huang value ? "enable" : "disable"); 290dbaae5bbSGuangbin Huang } 291dbaae5bbSGuangbin Huang 292dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "\n"); 29357ceee2cSliuzhongzhu } 29457ceee2cSliuzhongzhu 29557ceee2cSliuzhongzhu return 0; 29657ceee2cSliuzhongzhu } 29757ceee2cSliuzhongzhu 2980c29d191Sliuzhongzhu static int hns3_dbg_queue_map(struct hnae3_handle *h) 2990c29d191Sliuzhongzhu { 3000c29d191Sliuzhongzhu struct hns3_nic_priv *priv = h->priv; 3010c29d191Sliuzhongzhu int i; 3020c29d191Sliuzhongzhu 3030c29d191Sliuzhongzhu if (!h->ae_algo->ops->get_global_queue_id) 3040c29d191Sliuzhongzhu return -EOPNOTSUPP; 3050c29d191Sliuzhongzhu 3060c29d191Sliuzhongzhu dev_info(&h->pdev->dev, "map info for queue id and vector id\n"); 3070c29d191Sliuzhongzhu dev_info(&h->pdev->dev, 3080c29d191Sliuzhongzhu "local queue id | global queue id | vector id\n"); 3090c29d191Sliuzhongzhu for (i = 0; i < h->kinfo.num_tqps; i++) { 3100c29d191Sliuzhongzhu u16 global_qid; 3110c29d191Sliuzhongzhu 3120c29d191Sliuzhongzhu global_qid = h->ae_algo->ops->get_global_queue_id(h, i); 3135f06b903SYunsheng Lin if (!priv->ring || !priv->ring[i].tqp_vector) 3140c29d191Sliuzhongzhu continue; 3150c29d191Sliuzhongzhu 3160c29d191Sliuzhongzhu dev_info(&h->pdev->dev, 317c5aaf176SJiaran Zhang " %4d %4u %4d\n", 3185f06b903SYunsheng Lin i, global_qid, priv->ring[i].tqp_vector->vector_irq); 3190c29d191Sliuzhongzhu } 3200c29d191Sliuzhongzhu 3210c29d191Sliuzhongzhu return 0; 3220c29d191Sliuzhongzhu } 3230c29d191Sliuzhongzhu 32477e91848SHuazhong Tan static const struct hns3_dbg_item rx_bd_info_items[] = { 32577e91848SHuazhong Tan { "BD_IDX", 3 }, 32677e91848SHuazhong Tan { "L234_INFO", 2 }, 32777e91848SHuazhong Tan { "PKT_LEN", 3 }, 32877e91848SHuazhong Tan { "SIZE", 4 }, 32977e91848SHuazhong Tan { "RSS_HASH", 4 }, 33077e91848SHuazhong Tan { "FD_ID", 2 }, 33177e91848SHuazhong Tan { "VLAN_TAG", 2 }, 33277e91848SHuazhong Tan { "O_DM_VLAN_ID_FB", 2 }, 33377e91848SHuazhong Tan { "OT_VLAN_TAG", 2 }, 33477e91848SHuazhong Tan { "BD_BASE_INFO", 2 }, 33577e91848SHuazhong Tan { "PTYPE", 2 }, 33677e91848SHuazhong Tan { "HW_CSUM", 2 }, 33777e91848SHuazhong Tan }; 33877e91848SHuazhong Tan 33977e91848SHuazhong Tan static void hns3_dump_rx_bd_info(struct hns3_nic_priv *priv, 34077e91848SHuazhong Tan struct hns3_desc *desc, char **result, int idx) 341122bedc5Sliuzhongzhu { 34277e91848SHuazhong Tan unsigned int j = 0; 343122bedc5Sliuzhongzhu 34477e91848SHuazhong Tan sprintf(result[j++], "%5d", idx); 34577e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.l234_info)); 34677e91848SHuazhong Tan sprintf(result[j++], "%7u", le16_to_cpu(desc->rx.pkt_len)); 34777e91848SHuazhong Tan sprintf(result[j++], "%4u", le16_to_cpu(desc->rx.size)); 34877e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.rss_hash)); 34977e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->rx.fd_id)); 35077e91848SHuazhong Tan sprintf(result[j++], "%8u", le16_to_cpu(desc->rx.vlan_tag)); 35177e91848SHuazhong Tan sprintf(result[j++], "%15u", le16_to_cpu(desc->rx.o_dm_vlan_id_fb)); 35277e91848SHuazhong Tan sprintf(result[j++], "%11u", le16_to_cpu(desc->rx.ot_vlan_tag)); 35377e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.bd_base_info)); 35477e91848SHuazhong Tan if (test_bit(HNS3_NIC_STATE_RXD_ADV_LAYOUT_ENABLE, &priv->state)) { 35577e91848SHuazhong Tan u32 ol_info = le32_to_cpu(desc->rx.ol_info); 356122bedc5Sliuzhongzhu 35777e91848SHuazhong Tan sprintf(result[j++], "%5lu", hnae3_get_field(ol_info, 35877e91848SHuazhong Tan HNS3_RXD_PTYPE_M, 35977e91848SHuazhong Tan HNS3_RXD_PTYPE_S)); 36077e91848SHuazhong Tan sprintf(result[j++], "%7u", le16_to_cpu(desc->csum)); 361b1533adaSHuazhong Tan } else { 36277e91848SHuazhong Tan sprintf(result[j++], "NA"); 36377e91848SHuazhong Tan sprintf(result[j++], "NA"); 36477e91848SHuazhong Tan } 365b1533adaSHuazhong Tan } 366b1533adaSHuazhong Tan 36777e91848SHuazhong Tan static int hns3_dbg_rx_bd_info(struct hns3_dbg_data *d, char *buf, int len) 36877e91848SHuazhong Tan { 36977e91848SHuazhong Tan char data_str[ARRAY_SIZE(rx_bd_info_items)][HNS3_DBG_DATA_STR_LEN]; 37077e91848SHuazhong Tan struct hns3_nic_priv *priv = d->handle->priv; 37177e91848SHuazhong Tan char *result[ARRAY_SIZE(rx_bd_info_items)]; 37277e91848SHuazhong Tan char content[HNS3_DBG_INFO_LEN]; 37377e91848SHuazhong Tan struct hns3_enet_ring *ring; 37477e91848SHuazhong Tan struct hns3_desc *desc; 37577e91848SHuazhong Tan unsigned int i; 37677e91848SHuazhong Tan int pos = 0; 377122bedc5Sliuzhongzhu 37877e91848SHuazhong Tan if (d->qid >= d->handle->kinfo.num_tqps) { 37977e91848SHuazhong Tan dev_err(&d->handle->pdev->dev, 38077e91848SHuazhong Tan "queue%u is not in use\n", d->qid); 38177e91848SHuazhong Tan return -EINVAL; 38277e91848SHuazhong Tan } 383122bedc5Sliuzhongzhu 38477e91848SHuazhong Tan for (i = 0; i < ARRAY_SIZE(rx_bd_info_items); i++) 38577e91848SHuazhong Tan result[i] = &data_str[i][0]; 386b1533adaSHuazhong Tan 38777e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, 38877e91848SHuazhong Tan "Queue %u rx bd info:\n", d->qid); 38977e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), rx_bd_info_items, 39077e91848SHuazhong Tan NULL, ARRAY_SIZE(rx_bd_info_items)); 39177e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 39277e91848SHuazhong Tan 39377e91848SHuazhong Tan ring = &priv->ring[d->qid + d->handle->kinfo.num_tqps]; 39477e91848SHuazhong Tan for (i = 0; i < ring->desc_num; i++) { 39577e91848SHuazhong Tan desc = &ring->desc[i]; 39677e91848SHuazhong Tan 39777e91848SHuazhong Tan hns3_dump_rx_bd_info(priv, desc, result, i); 39877e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), 39977e91848SHuazhong Tan rx_bd_info_items, (const char **)result, 40077e91848SHuazhong Tan ARRAY_SIZE(rx_bd_info_items)); 40177e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 40277e91848SHuazhong Tan } 40377e91848SHuazhong Tan 40477e91848SHuazhong Tan return 0; 40577e91848SHuazhong Tan } 40677e91848SHuazhong Tan 40777e91848SHuazhong Tan static const struct hns3_dbg_item tx_bd_info_items[] = { 40877e91848SHuazhong Tan { "BD_IDX", 5 }, 40977e91848SHuazhong Tan { "ADDRESS", 2 }, 41077e91848SHuazhong Tan { "VLAN_TAG", 2 }, 41177e91848SHuazhong Tan { "SIZE", 2 }, 41277e91848SHuazhong Tan { "T_CS_VLAN_TSO", 2 }, 41377e91848SHuazhong Tan { "OT_VLAN_TAG", 3 }, 41477e91848SHuazhong Tan { "TV", 2 }, 41577e91848SHuazhong Tan { "OLT_VLAN_LEN", 2}, 41677e91848SHuazhong Tan { "PAYLEN_OL4CS", 2}, 41777e91848SHuazhong Tan { "BD_FE_SC_VLD", 2}, 41877e91848SHuazhong Tan { "MSS_HW_CSUM", 0}, 41977e91848SHuazhong Tan }; 42077e91848SHuazhong Tan 42177e91848SHuazhong Tan static void hns3_dump_tx_bd_info(struct hns3_nic_priv *priv, 42277e91848SHuazhong Tan struct hns3_desc *desc, char **result, int idx) 42377e91848SHuazhong Tan { 42477e91848SHuazhong Tan unsigned int j = 0; 42577e91848SHuazhong Tan 42677e91848SHuazhong Tan sprintf(result[j++], "%6d", idx); 42777e91848SHuazhong Tan sprintf(result[j++], "%#llx", le64_to_cpu(desc->addr)); 42877e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.vlan_tag)); 42977e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.send_size)); 43077e91848SHuazhong Tan sprintf(result[j++], "%#x", 43177e91848SHuazhong Tan le32_to_cpu(desc->tx.type_cs_vlan_tso_len)); 43277e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.outer_vlan_tag)); 43377e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.tv)); 43477e91848SHuazhong Tan sprintf(result[j++], "%10u", 43577e91848SHuazhong Tan le32_to_cpu(desc->tx.ol_type_vlan_len_msec)); 43677e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->tx.paylen_ol4cs)); 43777e91848SHuazhong Tan sprintf(result[j++], "%#x", le16_to_cpu(desc->tx.bdtp_fe_sc_vld_ra_ri)); 43877e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.mss_hw_csum)); 43977e91848SHuazhong Tan } 44077e91848SHuazhong Tan 44177e91848SHuazhong Tan static int hns3_dbg_tx_bd_info(struct hns3_dbg_data *d, char *buf, int len) 44277e91848SHuazhong Tan { 44377e91848SHuazhong Tan char data_str[ARRAY_SIZE(tx_bd_info_items)][HNS3_DBG_DATA_STR_LEN]; 44477e91848SHuazhong Tan struct hns3_nic_priv *priv = d->handle->priv; 44577e91848SHuazhong Tan char *result[ARRAY_SIZE(tx_bd_info_items)]; 44677e91848SHuazhong Tan char content[HNS3_DBG_INFO_LEN]; 44777e91848SHuazhong Tan struct hns3_enet_ring *ring; 44877e91848SHuazhong Tan struct hns3_desc *desc; 44977e91848SHuazhong Tan unsigned int i; 45077e91848SHuazhong Tan int pos = 0; 45177e91848SHuazhong Tan 45277e91848SHuazhong Tan if (d->qid >= d->handle->kinfo.num_tqps) { 45377e91848SHuazhong Tan dev_err(&d->handle->pdev->dev, 45477e91848SHuazhong Tan "queue%u is not in use\n", d->qid); 45577e91848SHuazhong Tan return -EINVAL; 45677e91848SHuazhong Tan } 45777e91848SHuazhong Tan 45877e91848SHuazhong Tan for (i = 0; i < ARRAY_SIZE(tx_bd_info_items); i++) 45977e91848SHuazhong Tan result[i] = &data_str[i][0]; 46077e91848SHuazhong Tan 46177e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, 46277e91848SHuazhong Tan "Queue %u tx bd info:\n", d->qid); 46377e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), tx_bd_info_items, 46477e91848SHuazhong Tan NULL, ARRAY_SIZE(tx_bd_info_items)); 46577e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 46677e91848SHuazhong Tan 46777e91848SHuazhong Tan ring = &priv->ring[d->qid]; 46877e91848SHuazhong Tan for (i = 0; i < ring->desc_num; i++) { 46977e91848SHuazhong Tan desc = &ring->desc[i]; 47077e91848SHuazhong Tan 47177e91848SHuazhong Tan hns3_dump_tx_bd_info(priv, desc, result, i); 47277e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), 47377e91848SHuazhong Tan tx_bd_info_items, (const char **)result, 47477e91848SHuazhong Tan ARRAY_SIZE(tx_bd_info_items)); 47577e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 47677e91848SHuazhong Tan } 477122bedc5Sliuzhongzhu 478122bedc5Sliuzhongzhu return 0; 479122bedc5Sliuzhongzhu } 480122bedc5Sliuzhongzhu 481b2292360Sliuzhongzhu static void hns3_dbg_help(struct hnae3_handle *h) 482b2292360Sliuzhongzhu { 48327cf979aSliuzhongzhu #define HNS3_DBG_BUF_LEN 256 48427cf979aSliuzhongzhu 48527cf979aSliuzhongzhu char printf_buf[HNS3_DBG_BUF_LEN]; 48627cf979aSliuzhongzhu 487b2292360Sliuzhongzhu dev_info(&h->pdev->dev, "available commands\n"); 488ed5b255bSYufeng Mo dev_info(&h->pdev->dev, "queue info <number>\n"); 4890c29d191Sliuzhongzhu dev_info(&h->pdev->dev, "queue map\n"); 49097afd47bSYufeng Mo 49197afd47bSYufeng Mo if (!hns3_is_phys_func(h->pdev)) 49297afd47bSYufeng Mo return; 49397afd47bSYufeng Mo 494b2292360Sliuzhongzhu dev_info(&h->pdev->dev, "dump fd tcam\n"); 4952849d4e7Sliuzhongzhu dev_info(&h->pdev->dev, "dump tc\n"); 496ed5b255bSYufeng Mo dev_info(&h->pdev->dev, "dump tm map <q_num>\n"); 49796227f4cSliuzhongzhu dev_info(&h->pdev->dev, "dump tm\n"); 498d958919dSliuzhongzhu dev_info(&h->pdev->dev, "dump qos pause cfg\n"); 4996fc22440Sliuzhongzhu dev_info(&h->pdev->dev, "dump qos pri map\n"); 5007d9d7f88Sliuzhongzhu dev_info(&h->pdev->dev, "dump qos buf cfg\n"); 501f02eb82dSHuazhong Tan dev_info(&h->pdev->dev, "dump reset info\n"); 50233a90e2fSZhongzhu Liu dev_info(&h->pdev->dev, "dump m7 info\n"); 503ffd140e2SWeihang Li dev_info(&h->pdev->dev, "dump ncl_config <offset> <length>(in hex)\n"); 504a6345787SWeihang Li dev_info(&h->pdev->dev, "dump mac tnl status\n"); 50589ec9485SYonglong Liu dev_info(&h->pdev->dev, "dump qs shaper [qs id]\n"); 506348775ebSYufeng Mo dev_info(&h->pdev->dev, "dump intr\n"); 50727cf979aSliuzhongzhu 50827cf979aSliuzhongzhu memset(printf_buf, 0, HNS3_DBG_BUF_LEN); 509ed5b255bSYufeng Mo strncat(printf_buf, "dump reg [[bios common] [ssu <port_id>]", 51027cf979aSliuzhongzhu HNS3_DBG_BUF_LEN - 1); 51127cf979aSliuzhongzhu strncat(printf_buf + strlen(printf_buf), 512ed5b255bSYufeng Mo " [igu egu <port_id>] [rpu <tc_queue_num>]", 51327cf979aSliuzhongzhu HNS3_DBG_BUF_LEN - strlen(printf_buf) - 1); 51427cf979aSliuzhongzhu strncat(printf_buf + strlen(printf_buf), 5155cb51cfeSYufeng Mo " [rtc] [ppp] [rcb] [tqp <queue_num>] [mac]]\n", 51627cf979aSliuzhongzhu HNS3_DBG_BUF_LEN - strlen(printf_buf) - 1); 51727cf979aSliuzhongzhu dev_info(&h->pdev->dev, "%s", printf_buf); 518c0ebebb9Sliuzhongzhu 519c0ebebb9Sliuzhongzhu memset(printf_buf, 0, HNS3_DBG_BUF_LEN); 520ed5b255bSYufeng Mo strncat(printf_buf, "dump reg dcb <port_id> <pri_id> <pg_id>", 521c0ebebb9Sliuzhongzhu HNS3_DBG_BUF_LEN - 1); 522ed5b255bSYufeng Mo strncat(printf_buf + strlen(printf_buf), " <rq_id> <nq_id> <qset_id>\n", 523c0ebebb9Sliuzhongzhu HNS3_DBG_BUF_LEN - strlen(printf_buf) - 1); 524c0ebebb9Sliuzhongzhu dev_info(&h->pdev->dev, "%s", printf_buf); 525b2292360Sliuzhongzhu } 526b2292360Sliuzhongzhu 527c929bc2aSJiaran Zhang static void 528c929bc2aSJiaran Zhang hns3_dbg_dev_caps(struct hnae3_handle *h, char *buf, int len, int *pos) 5299484e337SGuangbin Huang { 5309484e337SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 531c929bc2aSJiaran Zhang static const char * const str[] = {"no", "yes"}; 532c929bc2aSJiaran Zhang unsigned long *caps = ae_dev->caps; 533c929bc2aSJiaran Zhang u32 i, state; 5349484e337SGuangbin Huang 535c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "dev capability:\n"); 5369484e337SGuangbin Huang 537c929bc2aSJiaran Zhang for (i = 0; i < ARRAY_SIZE(hns3_dbg_cap); i++) { 538c929bc2aSJiaran Zhang state = test_bit(hns3_dbg_cap[i].cap_bit, caps); 539c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "%s: %s\n", 540c929bc2aSJiaran Zhang hns3_dbg_cap[i].name, str[state]); 5419484e337SGuangbin Huang } 5429484e337SGuangbin Huang 543c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "\n"); 544c929bc2aSJiaran Zhang } 545c929bc2aSJiaran Zhang 546c929bc2aSJiaran Zhang static void 547c929bc2aSJiaran Zhang hns3_dbg_dev_specs(struct hnae3_handle *h, char *buf, int len, int *pos) 548b4442ec5SGuangbin Huang { 549b4442ec5SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 550b4442ec5SGuangbin Huang struct hnae3_dev_specs *dev_specs = &ae_dev->dev_specs; 551b4442ec5SGuangbin Huang struct hnae3_knic_private_info *kinfo = &h->kinfo; 552b4442ec5SGuangbin Huang 553c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "dev_spec:\n"); 554c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAC entry num: %u\n", 555c929bc2aSJiaran Zhang dev_specs->mac_entry_num); 556c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MNG entry num: %u\n", 557c929bc2aSJiaran Zhang dev_specs->mng_entry_num); 558c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX non tso bd num: %u\n", 559b4442ec5SGuangbin Huang dev_specs->max_non_tso_bd_num); 560c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RSS ind tbl size: %u\n", 561b4442ec5SGuangbin Huang dev_specs->rss_ind_tbl_size); 562c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RSS key size: %u\n", 563c929bc2aSJiaran Zhang dev_specs->rss_key_size); 564c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RSS size: %u\n", 565c929bc2aSJiaran Zhang kinfo->rss_size); 566c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "Allocated RSS size: %u\n", 567c929bc2aSJiaran Zhang kinfo->req_rss_size); 568c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, 569c929bc2aSJiaran Zhang "Task queue pairs numbers: %u\n", 570c929bc2aSJiaran Zhang kinfo->num_tqps); 571c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RX buffer length: %u\n", 572c929bc2aSJiaran Zhang kinfo->rx_buf_len); 573c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "Desc num per TX queue: %u\n", 574c929bc2aSJiaran Zhang kinfo->num_tx_desc); 575c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "Desc num per RX queue: %u\n", 576c929bc2aSJiaran Zhang kinfo->num_rx_desc); 577c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, 578c929bc2aSJiaran Zhang "Total number of enabled TCs: %u\n", 57935244430SJian Shen kinfo->tc_info.num_tc); 580c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX INT QL: %u\n", 581c929bc2aSJiaran Zhang dev_specs->int_ql_max); 582c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX INT GL: %u\n", 583c929bc2aSJiaran Zhang dev_specs->max_int_gl); 584c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX TM RATE: %u\n", 585c929bc2aSJiaran Zhang dev_specs->max_tm_rate); 586c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX QSET number: %u\n", 587c929bc2aSJiaran Zhang dev_specs->max_qset_num); 588c929bc2aSJiaran Zhang } 589c929bc2aSJiaran Zhang 590c929bc2aSJiaran Zhang static int hns3_dbg_dev_info(struct hnae3_handle *h, char *buf, int len) 591c929bc2aSJiaran Zhang { 592c929bc2aSJiaran Zhang int pos = 0; 593c929bc2aSJiaran Zhang 594c929bc2aSJiaran Zhang hns3_dbg_dev_caps(h, buf, len, &pos); 595c929bc2aSJiaran Zhang 596c929bc2aSJiaran Zhang hns3_dbg_dev_specs(h, buf, len, &pos); 597c929bc2aSJiaran Zhang 598c929bc2aSJiaran Zhang return 0; 599b4442ec5SGuangbin Huang } 600b4442ec5SGuangbin Huang 601b2292360Sliuzhongzhu static ssize_t hns3_dbg_cmd_read(struct file *filp, char __user *buffer, 602b2292360Sliuzhongzhu size_t count, loff_t *ppos) 603b2292360Sliuzhongzhu { 604b2292360Sliuzhongzhu int uncopy_bytes; 605b2292360Sliuzhongzhu char *buf; 606b2292360Sliuzhongzhu int len; 607b2292360Sliuzhongzhu 608b2292360Sliuzhongzhu if (*ppos != 0) 609b2292360Sliuzhongzhu return 0; 610b2292360Sliuzhongzhu 611b2292360Sliuzhongzhu if (count < HNS3_DBG_READ_LEN) 612b2292360Sliuzhongzhu return -ENOSPC; 613b2292360Sliuzhongzhu 614b2292360Sliuzhongzhu buf = kzalloc(HNS3_DBG_READ_LEN, GFP_KERNEL); 615b2292360Sliuzhongzhu if (!buf) 616b2292360Sliuzhongzhu return -ENOMEM; 617b2292360Sliuzhongzhu 61849e211c0SChen Zhou len = scnprintf(buf, HNS3_DBG_READ_LEN, "%s\n", 619b2292360Sliuzhongzhu "Please echo help to cmd to get help information"); 620b2292360Sliuzhongzhu uncopy_bytes = copy_to_user(buffer, buf, len); 621b2292360Sliuzhongzhu 622b2292360Sliuzhongzhu kfree(buf); 623b2292360Sliuzhongzhu 624b2292360Sliuzhongzhu if (uncopy_bytes) 625b2292360Sliuzhongzhu return -EFAULT; 626b2292360Sliuzhongzhu 627b2292360Sliuzhongzhu return (*ppos = len); 628b2292360Sliuzhongzhu } 629b2292360Sliuzhongzhu 630c318af3fSPeng Li static int hns3_dbg_check_cmd(struct hnae3_handle *handle, char *cmd_buf) 631c318af3fSPeng Li { 632c318af3fSPeng Li int ret = 0; 633c318af3fSPeng Li 634c318af3fSPeng Li if (strncmp(cmd_buf, "help", 4) == 0) 635c318af3fSPeng Li hns3_dbg_help(handle); 636c318af3fSPeng Li else if (strncmp(cmd_buf, "queue info", 10) == 0) 637c318af3fSPeng Li ret = hns3_dbg_queue_info(handle, cmd_buf); 638c318af3fSPeng Li else if (strncmp(cmd_buf, "queue map", 9) == 0) 639c318af3fSPeng Li ret = hns3_dbg_queue_map(handle); 640c318af3fSPeng Li else if (handle->ae_algo->ops->dbg_run_cmd) 641c318af3fSPeng Li ret = handle->ae_algo->ops->dbg_run_cmd(handle, cmd_buf); 642c318af3fSPeng Li else 643c318af3fSPeng Li ret = -EOPNOTSUPP; 644c318af3fSPeng Li 645c318af3fSPeng Li return ret; 646c318af3fSPeng Li } 647c318af3fSPeng Li 648b2292360Sliuzhongzhu static ssize_t hns3_dbg_cmd_write(struct file *filp, const char __user *buffer, 649b2292360Sliuzhongzhu size_t count, loff_t *ppos) 650b2292360Sliuzhongzhu { 651b2292360Sliuzhongzhu struct hnae3_handle *handle = filp->private_data; 65257ceee2cSliuzhongzhu struct hns3_nic_priv *priv = handle->priv; 653b2292360Sliuzhongzhu char *cmd_buf, *cmd_buf_tmp; 654b2292360Sliuzhongzhu int uncopied_bytes; 655c318af3fSPeng Li int ret; 656b2292360Sliuzhongzhu 657b2292360Sliuzhongzhu if (*ppos != 0) 658b2292360Sliuzhongzhu return 0; 659b2292360Sliuzhongzhu 66057ceee2cSliuzhongzhu /* Judge if the instance is being reset. */ 6617737f1fbSliuzhongzhu if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 66257ceee2cSliuzhongzhu test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) 66357ceee2cSliuzhongzhu return 0; 66457ceee2cSliuzhongzhu 6657ac243f9SYufeng Mo if (count > HNS3_DBG_WRITE_LEN) 6667ac243f9SYufeng Mo return -ENOSPC; 6677ac243f9SYufeng Mo 668b2292360Sliuzhongzhu cmd_buf = kzalloc(count + 1, GFP_KERNEL); 669b2292360Sliuzhongzhu if (!cmd_buf) 670b2292360Sliuzhongzhu return count; 671b2292360Sliuzhongzhu 672b2292360Sliuzhongzhu uncopied_bytes = copy_from_user(cmd_buf, buffer, count); 673b2292360Sliuzhongzhu if (uncopied_bytes) { 674b2292360Sliuzhongzhu kfree(cmd_buf); 675b2292360Sliuzhongzhu return -EFAULT; 676b2292360Sliuzhongzhu } 677b2292360Sliuzhongzhu 678b2292360Sliuzhongzhu cmd_buf[count] = '\0'; 679b2292360Sliuzhongzhu 680b2292360Sliuzhongzhu cmd_buf_tmp = strchr(cmd_buf, '\n'); 681b2292360Sliuzhongzhu if (cmd_buf_tmp) { 682b2292360Sliuzhongzhu *cmd_buf_tmp = '\0'; 683b2292360Sliuzhongzhu count = cmd_buf_tmp - cmd_buf + 1; 684b2292360Sliuzhongzhu } 685b2292360Sliuzhongzhu 686c318af3fSPeng Li ret = hns3_dbg_check_cmd(handle, cmd_buf); 687b2292360Sliuzhongzhu if (ret) 688b2292360Sliuzhongzhu hns3_dbg_help(handle); 689b2292360Sliuzhongzhu 690b2292360Sliuzhongzhu kfree(cmd_buf); 691b2292360Sliuzhongzhu cmd_buf = NULL; 692b2292360Sliuzhongzhu 693b2292360Sliuzhongzhu return count; 694b2292360Sliuzhongzhu } 695b2292360Sliuzhongzhu 6965e69ea7eSYufeng Mo static int hns3_dbg_get_cmd_index(struct hnae3_handle *handle, 6975e69ea7eSYufeng Mo const unsigned char *name, u32 *index) 6985e69ea7eSYufeng Mo { 6995e69ea7eSYufeng Mo u32 i; 7005e69ea7eSYufeng Mo 7015e69ea7eSYufeng Mo for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) { 7025e69ea7eSYufeng Mo if (!strncmp(name, hns3_dbg_cmd[i].name, 7035e69ea7eSYufeng Mo strlen(hns3_dbg_cmd[i].name))) { 7045e69ea7eSYufeng Mo *index = i; 7055e69ea7eSYufeng Mo return 0; 7065e69ea7eSYufeng Mo } 7075e69ea7eSYufeng Mo } 7085e69ea7eSYufeng Mo 7095e69ea7eSYufeng Mo dev_err(&handle->pdev->dev, "unknown command(%s)\n", name); 7105e69ea7eSYufeng Mo return -EINVAL; 7115e69ea7eSYufeng Mo } 7125e69ea7eSYufeng Mo 713c929bc2aSJiaran Zhang static const struct hns3_dbg_func hns3_dbg_cmd_func[] = { 714c929bc2aSJiaran Zhang { 715c929bc2aSJiaran Zhang .cmd = HNAE3_DBG_CMD_DEV_INFO, 716c929bc2aSJiaran Zhang .dbg_dump = hns3_dbg_dev_info, 717c929bc2aSJiaran Zhang }, 71877e91848SHuazhong Tan { 71977e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_TX_BD, 72077e91848SHuazhong Tan .dbg_dump_bd = hns3_dbg_tx_bd_info, 72177e91848SHuazhong Tan }, 72277e91848SHuazhong Tan { 72377e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_RX_BD, 72477e91848SHuazhong Tan .dbg_dump_bd = hns3_dbg_rx_bd_info, 72577e91848SHuazhong Tan }, 726c929bc2aSJiaran Zhang }; 727c929bc2aSJiaran Zhang 72877e91848SHuazhong Tan static int hns3_dbg_read_cmd(struct hns3_dbg_data *dbg_data, 7295e69ea7eSYufeng Mo enum hnae3_dbg_cmd cmd, char *buf, int len) 7305e69ea7eSYufeng Mo { 73177e91848SHuazhong Tan const struct hnae3_ae_ops *ops = dbg_data->handle->ae_algo->ops; 73277e91848SHuazhong Tan const struct hns3_dbg_func *cmd_func; 733c929bc2aSJiaran Zhang u32 i; 734c929bc2aSJiaran Zhang 735c929bc2aSJiaran Zhang for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd_func); i++) { 73677e91848SHuazhong Tan if (cmd == hns3_dbg_cmd_func[i].cmd) { 73777e91848SHuazhong Tan cmd_func = &hns3_dbg_cmd_func[i]; 73877e91848SHuazhong Tan if (cmd_func->dbg_dump) 73977e91848SHuazhong Tan return cmd_func->dbg_dump(dbg_data->handle, buf, 74077e91848SHuazhong Tan len); 74177e91848SHuazhong Tan else 74277e91848SHuazhong Tan return cmd_func->dbg_dump_bd(dbg_data, buf, 74377e91848SHuazhong Tan len); 74477e91848SHuazhong Tan } 745c929bc2aSJiaran Zhang } 7465e69ea7eSYufeng Mo 7475e69ea7eSYufeng Mo if (!ops->dbg_read_cmd) 7485e69ea7eSYufeng Mo return -EOPNOTSUPP; 7495e69ea7eSYufeng Mo 75077e91848SHuazhong Tan return ops->dbg_read_cmd(dbg_data->handle, cmd, buf, len); 7515e69ea7eSYufeng Mo } 7525e69ea7eSYufeng Mo 75304987ca1SGuangbin Huang static ssize_t hns3_dbg_read(struct file *filp, char __user *buffer, 75404987ca1SGuangbin Huang size_t count, loff_t *ppos) 75504987ca1SGuangbin Huang { 75677e91848SHuazhong Tan struct hns3_dbg_data *dbg_data = filp->private_data; 75777e91848SHuazhong Tan struct hnae3_handle *handle = dbg_data->handle; 75804987ca1SGuangbin Huang struct hns3_nic_priv *priv = handle->priv; 75904987ca1SGuangbin Huang ssize_t size = 0; 7605e69ea7eSYufeng Mo char **save_buf; 7615e69ea7eSYufeng Mo char *read_buf; 7625e69ea7eSYufeng Mo u32 index; 7635e69ea7eSYufeng Mo int ret; 76404987ca1SGuangbin Huang 7655e69ea7eSYufeng Mo ret = hns3_dbg_get_cmd_index(handle, filp->f_path.dentry->d_iname, 7665e69ea7eSYufeng Mo &index); 7675e69ea7eSYufeng Mo if (ret) 7685e69ea7eSYufeng Mo return ret; 7695e69ea7eSYufeng Mo 7705e69ea7eSYufeng Mo save_buf = &hns3_dbg_cmd[index].buf; 7715e69ea7eSYufeng Mo 7725e69ea7eSYufeng Mo if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 7735e69ea7eSYufeng Mo test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) { 7745e69ea7eSYufeng Mo ret = -EBUSY; 7755e69ea7eSYufeng Mo goto out; 7765e69ea7eSYufeng Mo } 7775e69ea7eSYufeng Mo 7785e69ea7eSYufeng Mo if (*save_buf) { 7795e69ea7eSYufeng Mo read_buf = *save_buf; 7805e69ea7eSYufeng Mo } else { 7815e69ea7eSYufeng Mo read_buf = kvzalloc(hns3_dbg_cmd[index].buf_len, GFP_KERNEL); 78204987ca1SGuangbin Huang if (!read_buf) 78304987ca1SGuangbin Huang return -ENOMEM; 78404987ca1SGuangbin Huang 7855e69ea7eSYufeng Mo /* save the buffer addr until the last read operation */ 7865e69ea7eSYufeng Mo *save_buf = read_buf; 7875e69ea7eSYufeng Mo } 78804987ca1SGuangbin Huang 7895e69ea7eSYufeng Mo /* get data ready for the first time to read */ 7905e69ea7eSYufeng Mo if (!*ppos) { 79177e91848SHuazhong Tan ret = hns3_dbg_read_cmd(dbg_data, hns3_dbg_cmd[index].cmd, 7925e69ea7eSYufeng Mo read_buf, hns3_dbg_cmd[index].buf_len); 7935e69ea7eSYufeng Mo if (ret) 79404987ca1SGuangbin Huang goto out; 79504987ca1SGuangbin Huang } 79604987ca1SGuangbin Huang 79704987ca1SGuangbin Huang size = simple_read_from_buffer(buffer, count, ppos, read_buf, 79804987ca1SGuangbin Huang strlen(read_buf)); 7995e69ea7eSYufeng Mo if (size > 0) 8005e69ea7eSYufeng Mo return size; 80104987ca1SGuangbin Huang 80204987ca1SGuangbin Huang out: 8035e69ea7eSYufeng Mo /* free the buffer for the last read operation */ 8045e69ea7eSYufeng Mo if (*save_buf) { 8055e69ea7eSYufeng Mo kvfree(*save_buf); 8065e69ea7eSYufeng Mo *save_buf = NULL; 8075e69ea7eSYufeng Mo } 8085e69ea7eSYufeng Mo 8095e69ea7eSYufeng Mo return ret; 81004987ca1SGuangbin Huang } 81104987ca1SGuangbin Huang 812b2292360Sliuzhongzhu static const struct file_operations hns3_dbg_cmd_fops = { 813b2292360Sliuzhongzhu .owner = THIS_MODULE, 814b2292360Sliuzhongzhu .open = simple_open, 815b2292360Sliuzhongzhu .read = hns3_dbg_cmd_read, 816b2292360Sliuzhongzhu .write = hns3_dbg_cmd_write, 817b2292360Sliuzhongzhu }; 818b2292360Sliuzhongzhu 81904987ca1SGuangbin Huang static const struct file_operations hns3_dbg_fops = { 82004987ca1SGuangbin Huang .owner = THIS_MODULE, 82104987ca1SGuangbin Huang .open = simple_open, 82204987ca1SGuangbin Huang .read = hns3_dbg_read, 82304987ca1SGuangbin Huang }; 82404987ca1SGuangbin Huang 82577e91848SHuazhong Tan static int hns3_dbg_bd_file_init(struct hnae3_handle *handle, u32 cmd) 82677e91848SHuazhong Tan { 82777e91848SHuazhong Tan struct dentry *entry_dir; 82877e91848SHuazhong Tan struct hns3_dbg_data *data; 82977e91848SHuazhong Tan u16 max_queue_num; 83077e91848SHuazhong Tan unsigned int i; 83177e91848SHuazhong Tan 83277e91848SHuazhong Tan entry_dir = hns3_dbg_dentry[hns3_dbg_cmd[cmd].dentry].dentry; 83377e91848SHuazhong Tan max_queue_num = hns3_get_max_available_channels(handle); 83477e91848SHuazhong Tan data = devm_kzalloc(&handle->pdev->dev, max_queue_num * sizeof(*data), 83577e91848SHuazhong Tan GFP_KERNEL); 83677e91848SHuazhong Tan if (!data) 83777e91848SHuazhong Tan return -ENOMEM; 83877e91848SHuazhong Tan 83977e91848SHuazhong Tan for (i = 0; i < max_queue_num; i++) { 84077e91848SHuazhong Tan char name[HNS3_DBG_FILE_NAME_LEN]; 84177e91848SHuazhong Tan 84277e91848SHuazhong Tan data[i].handle = handle; 84377e91848SHuazhong Tan data[i].qid = i; 84477e91848SHuazhong Tan sprintf(name, "%s%u", hns3_dbg_cmd[cmd].name, i); 84577e91848SHuazhong Tan debugfs_create_file(name, 0400, entry_dir, &data[i], 84677e91848SHuazhong Tan &hns3_dbg_fops); 84777e91848SHuazhong Tan } 84877e91848SHuazhong Tan 84977e91848SHuazhong Tan return 0; 85077e91848SHuazhong Tan } 85177e91848SHuazhong Tan 8525e69ea7eSYufeng Mo static int 8535e69ea7eSYufeng Mo hns3_dbg_common_file_init(struct hnae3_handle *handle, u32 cmd) 8545e69ea7eSYufeng Mo { 85577e91848SHuazhong Tan struct hns3_dbg_data *data; 8565e69ea7eSYufeng Mo struct dentry *entry_dir; 8575e69ea7eSYufeng Mo 85877e91848SHuazhong Tan data = devm_kzalloc(&handle->pdev->dev, sizeof(*data), GFP_KERNEL); 85977e91848SHuazhong Tan if (!data) 86077e91848SHuazhong Tan return -ENOMEM; 86177e91848SHuazhong Tan 86277e91848SHuazhong Tan data->handle = handle; 8635e69ea7eSYufeng Mo entry_dir = hns3_dbg_dentry[hns3_dbg_cmd[cmd].dentry].dentry; 8645e69ea7eSYufeng Mo debugfs_create_file(hns3_dbg_cmd[cmd].name, 0400, entry_dir, 86577e91848SHuazhong Tan data, &hns3_dbg_fops); 8665e69ea7eSYufeng Mo 8675e69ea7eSYufeng Mo return 0; 8685e69ea7eSYufeng Mo } 8695e69ea7eSYufeng Mo 8705e69ea7eSYufeng Mo int hns3_dbg_init(struct hnae3_handle *handle) 871b2292360Sliuzhongzhu { 87204987ca1SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 873b2292360Sliuzhongzhu const char *name = pci_name(handle->pdev); 8745e69ea7eSYufeng Mo int ret; 8755e69ea7eSYufeng Mo u32 i; 876b2292360Sliuzhongzhu 8775e69ea7eSYufeng Mo hns3_dbg_dentry[HNS3_DBG_DENTRY_COMMON].dentry = 8785e69ea7eSYufeng Mo debugfs_create_dir(name, hns3_dbgfs_root); 8795e69ea7eSYufeng Mo handle->hnae3_dbgfs = hns3_dbg_dentry[HNS3_DBG_DENTRY_COMMON].dentry; 880b2292360Sliuzhongzhu 88111ab11e6SGreg Kroah-Hartman debugfs_create_file("cmd", 0600, handle->hnae3_dbgfs, handle, 882b2292360Sliuzhongzhu &hns3_dbg_cmd_fops); 88304987ca1SGuangbin Huang 8845e69ea7eSYufeng Mo for (i = 0; i < HNS3_DBG_DENTRY_COMMON; i++) 8855e69ea7eSYufeng Mo hns3_dbg_dentry[i].dentry = 8865e69ea7eSYufeng Mo debugfs_create_dir(hns3_dbg_dentry[i].name, 8875e69ea7eSYufeng Mo handle->hnae3_dbgfs); 8885e69ea7eSYufeng Mo 8895e69ea7eSYufeng Mo for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) { 8905e69ea7eSYufeng Mo if (hns3_dbg_cmd[i].cmd == HNAE3_DBG_CMD_TM_NODES && 8915e69ea7eSYufeng Mo ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2) 8925e69ea7eSYufeng Mo continue; 8935e69ea7eSYufeng Mo 8945e69ea7eSYufeng Mo if (!hns3_dbg_cmd[i].init) { 8955e69ea7eSYufeng Mo dev_err(&handle->pdev->dev, 8965e69ea7eSYufeng Mo "cmd %s lack of init func\n", 8975e69ea7eSYufeng Mo hns3_dbg_cmd[i].name); 8985e69ea7eSYufeng Mo ret = -EINVAL; 8995e69ea7eSYufeng Mo goto out; 9005e69ea7eSYufeng Mo } 9015e69ea7eSYufeng Mo 9025e69ea7eSYufeng Mo ret = hns3_dbg_cmd[i].init(handle, i); 9035e69ea7eSYufeng Mo if (ret) { 9045e69ea7eSYufeng Mo dev_err(&handle->pdev->dev, "failed to init cmd %s\n", 9055e69ea7eSYufeng Mo hns3_dbg_cmd[i].name); 9065e69ea7eSYufeng Mo goto out; 9075e69ea7eSYufeng Mo } 9085e69ea7eSYufeng Mo } 9095e69ea7eSYufeng Mo 9105e69ea7eSYufeng Mo return 0; 9115e69ea7eSYufeng Mo 9125e69ea7eSYufeng Mo out: 9135e69ea7eSYufeng Mo debugfs_remove_recursive(handle->hnae3_dbgfs); 9145e69ea7eSYufeng Mo handle->hnae3_dbgfs = NULL; 9155e69ea7eSYufeng Mo return ret; 916b2292360Sliuzhongzhu } 917b2292360Sliuzhongzhu 918b2292360Sliuzhongzhu void hns3_dbg_uninit(struct hnae3_handle *handle) 919b2292360Sliuzhongzhu { 9205e69ea7eSYufeng Mo u32 i; 9215e69ea7eSYufeng Mo 9225e69ea7eSYufeng Mo for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) 9235e69ea7eSYufeng Mo if (hns3_dbg_cmd[i].buf) { 9245e69ea7eSYufeng Mo kvfree(hns3_dbg_cmd[i].buf); 9255e69ea7eSYufeng Mo hns3_dbg_cmd[i].buf = NULL; 9265e69ea7eSYufeng Mo } 9275e69ea7eSYufeng Mo 928b2292360Sliuzhongzhu debugfs_remove_recursive(handle->hnae3_dbgfs); 929b2292360Sliuzhongzhu handle->hnae3_dbgfs = NULL; 930b2292360Sliuzhongzhu } 931b2292360Sliuzhongzhu 932b2292360Sliuzhongzhu void hns3_dbg_register_debugfs(const char *debugfs_dir_name) 933b2292360Sliuzhongzhu { 934b2292360Sliuzhongzhu hns3_dbgfs_root = debugfs_create_dir(debugfs_dir_name, NULL); 935b2292360Sliuzhongzhu } 936b2292360Sliuzhongzhu 937b2292360Sliuzhongzhu void hns3_dbg_unregister_debugfs(void) 938b2292360Sliuzhongzhu { 939b2292360Sliuzhongzhu debugfs_remove_recursive(hns3_dbgfs_root); 940b2292360Sliuzhongzhu hns3_dbgfs_root = NULL; 941b2292360Sliuzhongzhu } 942