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 }, 93*8ddfd9c4SYufeng Mo { 94*8ddfd9c4SYufeng Mo .name = "mng_tbl", 95*8ddfd9c4SYufeng Mo .cmd = HNAE3_DBG_CMD_MNG_TBL, 96*8ddfd9c4SYufeng Mo .dentry = HNS3_DBG_DENTRY_COMMON, 97*8ddfd9c4SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 98*8ddfd9c4SYufeng Mo .init = hns3_dbg_common_file_init, 99*8ddfd9c4SYufeng Mo }, 100c929bc2aSJiaran Zhang }; 101c929bc2aSJiaran Zhang 102c929bc2aSJiaran Zhang static struct hns3_dbg_cap_info hns3_dbg_cap[] = { 103c929bc2aSJiaran Zhang { 104c929bc2aSJiaran Zhang .name = "support FD", 105c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_FD_B, 106c929bc2aSJiaran Zhang }, { 107c929bc2aSJiaran Zhang .name = "support GRO", 108c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_GRO_B, 109c929bc2aSJiaran Zhang }, { 110c929bc2aSJiaran Zhang .name = "support FEC", 111c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_FEC_B, 112c929bc2aSJiaran Zhang }, { 113c929bc2aSJiaran Zhang .name = "support UDP GSO", 114c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_UDP_GSO_B, 115c929bc2aSJiaran Zhang }, { 116c929bc2aSJiaran Zhang .name = "support PTP", 117c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_PTP_B, 118c929bc2aSJiaran Zhang }, { 119c929bc2aSJiaran Zhang .name = "support INT QL", 120c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_INT_QL_B, 121c929bc2aSJiaran Zhang }, { 122c929bc2aSJiaran Zhang .name = "support HW TX csum", 123c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_HW_TX_CSUM_B, 124c929bc2aSJiaran Zhang }, { 125c929bc2aSJiaran Zhang .name = "support UDP tunnel csum", 126c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_UDP_TUNNEL_CSUM_B, 127c929bc2aSJiaran Zhang }, { 128c929bc2aSJiaran Zhang .name = "support TX push", 129c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_TX_PUSH_B, 130c929bc2aSJiaran Zhang }, { 131c929bc2aSJiaran Zhang .name = "support imp-controlled PHY", 132c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_PHY_IMP_B, 133c929bc2aSJiaran Zhang }, { 134c929bc2aSJiaran Zhang .name = "support rxd advanced layout", 135c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_RXD_ADV_LAYOUT_B, 136c929bc2aSJiaran Zhang }, 1375e69ea7eSYufeng Mo }; 1385e69ea7eSYufeng Mo 13977e91848SHuazhong Tan static void hns3_dbg_fill_content(char *content, u16 len, 14077e91848SHuazhong Tan const struct hns3_dbg_item *items, 14177e91848SHuazhong Tan const char **result, u16 size) 14277e91848SHuazhong Tan { 14377e91848SHuazhong Tan char *pos = content; 14477e91848SHuazhong Tan u16 i; 14577e91848SHuazhong Tan 14677e91848SHuazhong Tan memset(content, ' ', len); 14777e91848SHuazhong Tan for (i = 0; i < size; i++) { 14877e91848SHuazhong Tan if (result) 14977e91848SHuazhong Tan strncpy(pos, result[i], strlen(result[i])); 15077e91848SHuazhong Tan else 15177e91848SHuazhong Tan strncpy(pos, items[i].name, strlen(items[i].name)); 15277e91848SHuazhong Tan 15377e91848SHuazhong Tan pos += strlen(items[i].name) + items[i].interval; 15477e91848SHuazhong Tan } 15577e91848SHuazhong Tan 15677e91848SHuazhong Tan *pos++ = '\n'; 15777e91848SHuazhong Tan *pos++ = '\0'; 15877e91848SHuazhong Tan } 15977e91848SHuazhong Tan 160ebaf1908SWeihang Li static int hns3_dbg_queue_info(struct hnae3_handle *h, 161ebaf1908SWeihang Li const char *cmd_buf) 16257ceee2cSliuzhongzhu { 163dbaae5bbSGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 16457ceee2cSliuzhongzhu struct hns3_nic_priv *priv = h->priv; 16557ceee2cSliuzhongzhu struct hns3_enet_ring *ring; 16657ceee2cSliuzhongzhu u32 base_add_l, base_add_h; 16757ceee2cSliuzhongzhu u32 queue_num, queue_max; 1689d8d5a36SYufeng Mo u32 value, i; 16957ceee2cSliuzhongzhu int cnt; 17057ceee2cSliuzhongzhu 1715f06b903SYunsheng Lin if (!priv->ring) { 1725f06b903SYunsheng Lin dev_err(&h->pdev->dev, "priv->ring is NULL\n"); 17357ceee2cSliuzhongzhu return -EFAULT; 17457ceee2cSliuzhongzhu } 17557ceee2cSliuzhongzhu 17657ceee2cSliuzhongzhu queue_max = h->kinfo.num_tqps; 17757ceee2cSliuzhongzhu cnt = kstrtouint(&cmd_buf[11], 0, &queue_num); 17857ceee2cSliuzhongzhu if (cnt) 17957ceee2cSliuzhongzhu queue_num = 0; 18057ceee2cSliuzhongzhu else 18157ceee2cSliuzhongzhu queue_max = queue_num + 1; 18257ceee2cSliuzhongzhu 18357ceee2cSliuzhongzhu dev_info(&h->pdev->dev, "queue info\n"); 18457ceee2cSliuzhongzhu 18557ceee2cSliuzhongzhu if (queue_num >= h->kinfo.num_tqps) { 18657ceee2cSliuzhongzhu dev_err(&h->pdev->dev, 187ed5b255bSYufeng Mo "Queue number(%u) is out of range(0-%u)\n", queue_num, 18857ceee2cSliuzhongzhu h->kinfo.num_tqps - 1); 18957ceee2cSliuzhongzhu return -EINVAL; 19057ceee2cSliuzhongzhu } 19157ceee2cSliuzhongzhu 19257ceee2cSliuzhongzhu for (i = queue_num; i < queue_max; i++) { 19357ceee2cSliuzhongzhu /* Each cycle needs to determine whether the instance is reset, 19457ceee2cSliuzhongzhu * to prevent reference to invalid memory. And need to ensure 19557ceee2cSliuzhongzhu * that the following code is executed within 100ms. 19657ceee2cSliuzhongzhu */ 1977737f1fbSliuzhongzhu if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 19857ceee2cSliuzhongzhu test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) 19957ceee2cSliuzhongzhu return -EPERM; 20057ceee2cSliuzhongzhu 2015f06b903SYunsheng Lin ring = &priv->ring[(u32)(i + h->kinfo.num_tqps)]; 20257ceee2cSliuzhongzhu base_add_h = readl_relaxed(ring->tqp->io_base + 20357ceee2cSliuzhongzhu HNS3_RING_RX_RING_BASEADDR_H_REG); 20457ceee2cSliuzhongzhu base_add_l = readl_relaxed(ring->tqp->io_base + 20557ceee2cSliuzhongzhu HNS3_RING_RX_RING_BASEADDR_L_REG); 206adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) BASE ADD: 0x%08x%08x\n", i, 20757ceee2cSliuzhongzhu base_add_h, base_add_l); 20857ceee2cSliuzhongzhu 20957ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 21057ceee2cSliuzhongzhu HNS3_RING_RX_RING_BD_NUM_REG); 211adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING BD NUM: %u\n", i, value); 21257ceee2cSliuzhongzhu 21357ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 21457ceee2cSliuzhongzhu HNS3_RING_RX_RING_BD_LEN_REG); 215adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING BD LEN: %u\n", i, value); 21657ceee2cSliuzhongzhu 21757ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 21857ceee2cSliuzhongzhu HNS3_RING_RX_RING_TAIL_REG); 219adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING TAIL: %u\n", i, value); 22057ceee2cSliuzhongzhu 22157ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 22257ceee2cSliuzhongzhu HNS3_RING_RX_RING_HEAD_REG); 223adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING HEAD: %u\n", i, value); 22457ceee2cSliuzhongzhu 22557ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 22657ceee2cSliuzhongzhu HNS3_RING_RX_RING_FBDNUM_REG); 227adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING FBDNUM: %u\n", i, value); 22857ceee2cSliuzhongzhu 22957ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 23057ceee2cSliuzhongzhu HNS3_RING_RX_RING_PKTNUM_RECORD_REG); 231adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING PKTNUM: %u\n", i, value); 23257ceee2cSliuzhongzhu 2335f06b903SYunsheng Lin ring = &priv->ring[i]; 23457ceee2cSliuzhongzhu base_add_h = readl_relaxed(ring->tqp->io_base + 23557ceee2cSliuzhongzhu HNS3_RING_TX_RING_BASEADDR_H_REG); 23657ceee2cSliuzhongzhu base_add_l = readl_relaxed(ring->tqp->io_base + 23757ceee2cSliuzhongzhu HNS3_RING_TX_RING_BASEADDR_L_REG); 238adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) BASE ADD: 0x%08x%08x\n", i, 23957ceee2cSliuzhongzhu base_add_h, base_add_l); 24057ceee2cSliuzhongzhu 24157ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 24257ceee2cSliuzhongzhu HNS3_RING_TX_RING_BD_NUM_REG); 243adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING BD NUM: %u\n", i, value); 24457ceee2cSliuzhongzhu 24557ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 24657ceee2cSliuzhongzhu HNS3_RING_TX_RING_TC_REG); 247adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING TC: %u\n", i, value); 24857ceee2cSliuzhongzhu 24957ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 25057ceee2cSliuzhongzhu HNS3_RING_TX_RING_TAIL_REG); 251adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING TAIL: %u\n", i, value); 25257ceee2cSliuzhongzhu 25357ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 25457ceee2cSliuzhongzhu HNS3_RING_TX_RING_HEAD_REG); 255adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING HEAD: %u\n", i, value); 25657ceee2cSliuzhongzhu 25757ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 25857ceee2cSliuzhongzhu HNS3_RING_TX_RING_FBDNUM_REG); 259adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING FBDNUM: %u\n", i, value); 26057ceee2cSliuzhongzhu 26157ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 26257ceee2cSliuzhongzhu HNS3_RING_TX_RING_OFFSET_REG); 263adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING OFFSET: %u\n", i, value); 26457ceee2cSliuzhongzhu 26557ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 26657ceee2cSliuzhongzhu HNS3_RING_TX_RING_PKTNUM_RECORD_REG); 267dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "TX(%u) RING PKTNUM: %u\n", i, value); 268dbaae5bbSGuangbin Huang 269dbaae5bbSGuangbin Huang value = readl_relaxed(ring->tqp->io_base + HNS3_RING_EN_REG); 270dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "TX/RX(%u) RING EN: %s\n", i, 271dbaae5bbSGuangbin Huang value ? "enable" : "disable"); 272dbaae5bbSGuangbin Huang 273dbaae5bbSGuangbin Huang if (hnae3_ae_dev_tqp_txrx_indep_supported(ae_dev)) { 274dbaae5bbSGuangbin Huang value = readl_relaxed(ring->tqp->io_base + 275dbaae5bbSGuangbin Huang HNS3_RING_TX_EN_REG); 276dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "TX(%u) RING EN: %s\n", i, 277dbaae5bbSGuangbin Huang value ? "enable" : "disable"); 278dbaae5bbSGuangbin Huang 279dbaae5bbSGuangbin Huang value = readl_relaxed(ring->tqp->io_base + 280dbaae5bbSGuangbin Huang HNS3_RING_RX_EN_REG); 281dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "RX(%u) RING EN: %s\n", i, 282dbaae5bbSGuangbin Huang value ? "enable" : "disable"); 283dbaae5bbSGuangbin Huang } 284dbaae5bbSGuangbin Huang 285dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "\n"); 28657ceee2cSliuzhongzhu } 28757ceee2cSliuzhongzhu 28857ceee2cSliuzhongzhu return 0; 28957ceee2cSliuzhongzhu } 29057ceee2cSliuzhongzhu 2910c29d191Sliuzhongzhu static int hns3_dbg_queue_map(struct hnae3_handle *h) 2920c29d191Sliuzhongzhu { 2930c29d191Sliuzhongzhu struct hns3_nic_priv *priv = h->priv; 2940c29d191Sliuzhongzhu int i; 2950c29d191Sliuzhongzhu 2960c29d191Sliuzhongzhu if (!h->ae_algo->ops->get_global_queue_id) 2970c29d191Sliuzhongzhu return -EOPNOTSUPP; 2980c29d191Sliuzhongzhu 2990c29d191Sliuzhongzhu dev_info(&h->pdev->dev, "map info for queue id and vector id\n"); 3000c29d191Sliuzhongzhu dev_info(&h->pdev->dev, 3010c29d191Sliuzhongzhu "local queue id | global queue id | vector id\n"); 3020c29d191Sliuzhongzhu for (i = 0; i < h->kinfo.num_tqps; i++) { 3030c29d191Sliuzhongzhu u16 global_qid; 3040c29d191Sliuzhongzhu 3050c29d191Sliuzhongzhu global_qid = h->ae_algo->ops->get_global_queue_id(h, i); 3065f06b903SYunsheng Lin if (!priv->ring || !priv->ring[i].tqp_vector) 3070c29d191Sliuzhongzhu continue; 3080c29d191Sliuzhongzhu 3090c29d191Sliuzhongzhu dev_info(&h->pdev->dev, 310c5aaf176SJiaran Zhang " %4d %4u %4d\n", 3115f06b903SYunsheng Lin i, global_qid, priv->ring[i].tqp_vector->vector_irq); 3120c29d191Sliuzhongzhu } 3130c29d191Sliuzhongzhu 3140c29d191Sliuzhongzhu return 0; 3150c29d191Sliuzhongzhu } 3160c29d191Sliuzhongzhu 31777e91848SHuazhong Tan static const struct hns3_dbg_item rx_bd_info_items[] = { 31877e91848SHuazhong Tan { "BD_IDX", 3 }, 31977e91848SHuazhong Tan { "L234_INFO", 2 }, 32077e91848SHuazhong Tan { "PKT_LEN", 3 }, 32177e91848SHuazhong Tan { "SIZE", 4 }, 32277e91848SHuazhong Tan { "RSS_HASH", 4 }, 32377e91848SHuazhong Tan { "FD_ID", 2 }, 32477e91848SHuazhong Tan { "VLAN_TAG", 2 }, 32577e91848SHuazhong Tan { "O_DM_VLAN_ID_FB", 2 }, 32677e91848SHuazhong Tan { "OT_VLAN_TAG", 2 }, 32777e91848SHuazhong Tan { "BD_BASE_INFO", 2 }, 32877e91848SHuazhong Tan { "PTYPE", 2 }, 32977e91848SHuazhong Tan { "HW_CSUM", 2 }, 33077e91848SHuazhong Tan }; 33177e91848SHuazhong Tan 33277e91848SHuazhong Tan static void hns3_dump_rx_bd_info(struct hns3_nic_priv *priv, 33377e91848SHuazhong Tan struct hns3_desc *desc, char **result, int idx) 334122bedc5Sliuzhongzhu { 33577e91848SHuazhong Tan unsigned int j = 0; 336122bedc5Sliuzhongzhu 33777e91848SHuazhong Tan sprintf(result[j++], "%5d", idx); 33877e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.l234_info)); 33977e91848SHuazhong Tan sprintf(result[j++], "%7u", le16_to_cpu(desc->rx.pkt_len)); 34077e91848SHuazhong Tan sprintf(result[j++], "%4u", le16_to_cpu(desc->rx.size)); 34177e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.rss_hash)); 34277e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->rx.fd_id)); 34377e91848SHuazhong Tan sprintf(result[j++], "%8u", le16_to_cpu(desc->rx.vlan_tag)); 34477e91848SHuazhong Tan sprintf(result[j++], "%15u", le16_to_cpu(desc->rx.o_dm_vlan_id_fb)); 34577e91848SHuazhong Tan sprintf(result[j++], "%11u", le16_to_cpu(desc->rx.ot_vlan_tag)); 34677e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.bd_base_info)); 34777e91848SHuazhong Tan if (test_bit(HNS3_NIC_STATE_RXD_ADV_LAYOUT_ENABLE, &priv->state)) { 34877e91848SHuazhong Tan u32 ol_info = le32_to_cpu(desc->rx.ol_info); 349122bedc5Sliuzhongzhu 35077e91848SHuazhong Tan sprintf(result[j++], "%5lu", hnae3_get_field(ol_info, 35177e91848SHuazhong Tan HNS3_RXD_PTYPE_M, 35277e91848SHuazhong Tan HNS3_RXD_PTYPE_S)); 35377e91848SHuazhong Tan sprintf(result[j++], "%7u", le16_to_cpu(desc->csum)); 354b1533adaSHuazhong Tan } else { 35577e91848SHuazhong Tan sprintf(result[j++], "NA"); 35677e91848SHuazhong Tan sprintf(result[j++], "NA"); 35777e91848SHuazhong Tan } 358b1533adaSHuazhong Tan } 359b1533adaSHuazhong Tan 36077e91848SHuazhong Tan static int hns3_dbg_rx_bd_info(struct hns3_dbg_data *d, char *buf, int len) 36177e91848SHuazhong Tan { 36277e91848SHuazhong Tan char data_str[ARRAY_SIZE(rx_bd_info_items)][HNS3_DBG_DATA_STR_LEN]; 36377e91848SHuazhong Tan struct hns3_nic_priv *priv = d->handle->priv; 36477e91848SHuazhong Tan char *result[ARRAY_SIZE(rx_bd_info_items)]; 36577e91848SHuazhong Tan char content[HNS3_DBG_INFO_LEN]; 36677e91848SHuazhong Tan struct hns3_enet_ring *ring; 36777e91848SHuazhong Tan struct hns3_desc *desc; 36877e91848SHuazhong Tan unsigned int i; 36977e91848SHuazhong Tan int pos = 0; 370122bedc5Sliuzhongzhu 37177e91848SHuazhong Tan if (d->qid >= d->handle->kinfo.num_tqps) { 37277e91848SHuazhong Tan dev_err(&d->handle->pdev->dev, 37377e91848SHuazhong Tan "queue%u is not in use\n", d->qid); 37477e91848SHuazhong Tan return -EINVAL; 37577e91848SHuazhong Tan } 376122bedc5Sliuzhongzhu 37777e91848SHuazhong Tan for (i = 0; i < ARRAY_SIZE(rx_bd_info_items); i++) 37877e91848SHuazhong Tan result[i] = &data_str[i][0]; 379b1533adaSHuazhong Tan 38077e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, 38177e91848SHuazhong Tan "Queue %u rx bd info:\n", d->qid); 38277e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), rx_bd_info_items, 38377e91848SHuazhong Tan NULL, ARRAY_SIZE(rx_bd_info_items)); 38477e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 38577e91848SHuazhong Tan 38677e91848SHuazhong Tan ring = &priv->ring[d->qid + d->handle->kinfo.num_tqps]; 38777e91848SHuazhong Tan for (i = 0; i < ring->desc_num; i++) { 38877e91848SHuazhong Tan desc = &ring->desc[i]; 38977e91848SHuazhong Tan 39077e91848SHuazhong Tan hns3_dump_rx_bd_info(priv, desc, result, i); 39177e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), 39277e91848SHuazhong Tan rx_bd_info_items, (const char **)result, 39377e91848SHuazhong Tan ARRAY_SIZE(rx_bd_info_items)); 39477e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 39577e91848SHuazhong Tan } 39677e91848SHuazhong Tan 39777e91848SHuazhong Tan return 0; 39877e91848SHuazhong Tan } 39977e91848SHuazhong Tan 40077e91848SHuazhong Tan static const struct hns3_dbg_item tx_bd_info_items[] = { 40177e91848SHuazhong Tan { "BD_IDX", 5 }, 40277e91848SHuazhong Tan { "ADDRESS", 2 }, 40377e91848SHuazhong Tan { "VLAN_TAG", 2 }, 40477e91848SHuazhong Tan { "SIZE", 2 }, 40577e91848SHuazhong Tan { "T_CS_VLAN_TSO", 2 }, 40677e91848SHuazhong Tan { "OT_VLAN_TAG", 3 }, 40777e91848SHuazhong Tan { "TV", 2 }, 40877e91848SHuazhong Tan { "OLT_VLAN_LEN", 2}, 40977e91848SHuazhong Tan { "PAYLEN_OL4CS", 2}, 41077e91848SHuazhong Tan { "BD_FE_SC_VLD", 2}, 41177e91848SHuazhong Tan { "MSS_HW_CSUM", 0}, 41277e91848SHuazhong Tan }; 41377e91848SHuazhong Tan 41477e91848SHuazhong Tan static void hns3_dump_tx_bd_info(struct hns3_nic_priv *priv, 41577e91848SHuazhong Tan struct hns3_desc *desc, char **result, int idx) 41677e91848SHuazhong Tan { 41777e91848SHuazhong Tan unsigned int j = 0; 41877e91848SHuazhong Tan 41977e91848SHuazhong Tan sprintf(result[j++], "%6d", idx); 42077e91848SHuazhong Tan sprintf(result[j++], "%#llx", le64_to_cpu(desc->addr)); 42177e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.vlan_tag)); 42277e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.send_size)); 42377e91848SHuazhong Tan sprintf(result[j++], "%#x", 42477e91848SHuazhong Tan le32_to_cpu(desc->tx.type_cs_vlan_tso_len)); 42577e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.outer_vlan_tag)); 42677e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.tv)); 42777e91848SHuazhong Tan sprintf(result[j++], "%10u", 42877e91848SHuazhong Tan le32_to_cpu(desc->tx.ol_type_vlan_len_msec)); 42977e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->tx.paylen_ol4cs)); 43077e91848SHuazhong Tan sprintf(result[j++], "%#x", le16_to_cpu(desc->tx.bdtp_fe_sc_vld_ra_ri)); 43177e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.mss_hw_csum)); 43277e91848SHuazhong Tan } 43377e91848SHuazhong Tan 43477e91848SHuazhong Tan static int hns3_dbg_tx_bd_info(struct hns3_dbg_data *d, char *buf, int len) 43577e91848SHuazhong Tan { 43677e91848SHuazhong Tan char data_str[ARRAY_SIZE(tx_bd_info_items)][HNS3_DBG_DATA_STR_LEN]; 43777e91848SHuazhong Tan struct hns3_nic_priv *priv = d->handle->priv; 43877e91848SHuazhong Tan char *result[ARRAY_SIZE(tx_bd_info_items)]; 43977e91848SHuazhong Tan char content[HNS3_DBG_INFO_LEN]; 44077e91848SHuazhong Tan struct hns3_enet_ring *ring; 44177e91848SHuazhong Tan struct hns3_desc *desc; 44277e91848SHuazhong Tan unsigned int i; 44377e91848SHuazhong Tan int pos = 0; 44477e91848SHuazhong Tan 44577e91848SHuazhong Tan if (d->qid >= d->handle->kinfo.num_tqps) { 44677e91848SHuazhong Tan dev_err(&d->handle->pdev->dev, 44777e91848SHuazhong Tan "queue%u is not in use\n", d->qid); 44877e91848SHuazhong Tan return -EINVAL; 44977e91848SHuazhong Tan } 45077e91848SHuazhong Tan 45177e91848SHuazhong Tan for (i = 0; i < ARRAY_SIZE(tx_bd_info_items); i++) 45277e91848SHuazhong Tan result[i] = &data_str[i][0]; 45377e91848SHuazhong Tan 45477e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, 45577e91848SHuazhong Tan "Queue %u tx bd info:\n", d->qid); 45677e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), tx_bd_info_items, 45777e91848SHuazhong Tan NULL, ARRAY_SIZE(tx_bd_info_items)); 45877e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 45977e91848SHuazhong Tan 46077e91848SHuazhong Tan ring = &priv->ring[d->qid]; 46177e91848SHuazhong Tan for (i = 0; i < ring->desc_num; i++) { 46277e91848SHuazhong Tan desc = &ring->desc[i]; 46377e91848SHuazhong Tan 46477e91848SHuazhong Tan hns3_dump_tx_bd_info(priv, desc, result, i); 46577e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), 46677e91848SHuazhong Tan tx_bd_info_items, (const char **)result, 46777e91848SHuazhong Tan ARRAY_SIZE(tx_bd_info_items)); 46877e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 46977e91848SHuazhong Tan } 470122bedc5Sliuzhongzhu 471122bedc5Sliuzhongzhu return 0; 472122bedc5Sliuzhongzhu } 473122bedc5Sliuzhongzhu 474b2292360Sliuzhongzhu static void hns3_dbg_help(struct hnae3_handle *h) 475b2292360Sliuzhongzhu { 47627cf979aSliuzhongzhu #define HNS3_DBG_BUF_LEN 256 47727cf979aSliuzhongzhu 47827cf979aSliuzhongzhu char printf_buf[HNS3_DBG_BUF_LEN]; 47927cf979aSliuzhongzhu 480b2292360Sliuzhongzhu dev_info(&h->pdev->dev, "available commands\n"); 481ed5b255bSYufeng Mo dev_info(&h->pdev->dev, "queue info <number>\n"); 4820c29d191Sliuzhongzhu dev_info(&h->pdev->dev, "queue map\n"); 48397afd47bSYufeng Mo 48497afd47bSYufeng Mo if (!hns3_is_phys_func(h->pdev)) 48597afd47bSYufeng Mo return; 48697afd47bSYufeng Mo 487b2292360Sliuzhongzhu dev_info(&h->pdev->dev, "dump fd tcam\n"); 4882849d4e7Sliuzhongzhu dev_info(&h->pdev->dev, "dump tc\n"); 489ed5b255bSYufeng Mo dev_info(&h->pdev->dev, "dump tm map <q_num>\n"); 49096227f4cSliuzhongzhu dev_info(&h->pdev->dev, "dump tm\n"); 491d958919dSliuzhongzhu dev_info(&h->pdev->dev, "dump qos pause cfg\n"); 4926fc22440Sliuzhongzhu dev_info(&h->pdev->dev, "dump qos pri map\n"); 4937d9d7f88Sliuzhongzhu dev_info(&h->pdev->dev, "dump qos buf cfg\n"); 494f02eb82dSHuazhong Tan dev_info(&h->pdev->dev, "dump reset info\n"); 49533a90e2fSZhongzhu Liu dev_info(&h->pdev->dev, "dump m7 info\n"); 496ffd140e2SWeihang Li dev_info(&h->pdev->dev, "dump ncl_config <offset> <length>(in hex)\n"); 497a6345787SWeihang Li dev_info(&h->pdev->dev, "dump mac tnl status\n"); 498ded45d40SYufeng Mo dev_info(&h->pdev->dev, "dump loopback\n"); 49989ec9485SYonglong Liu dev_info(&h->pdev->dev, "dump qs shaper [qs id]\n"); 500348775ebSYufeng Mo dev_info(&h->pdev->dev, "dump intr\n"); 50127cf979aSliuzhongzhu 50227cf979aSliuzhongzhu memset(printf_buf, 0, HNS3_DBG_BUF_LEN); 503ed5b255bSYufeng Mo strncat(printf_buf, "dump reg [[bios common] [ssu <port_id>]", 50427cf979aSliuzhongzhu HNS3_DBG_BUF_LEN - 1); 50527cf979aSliuzhongzhu strncat(printf_buf + strlen(printf_buf), 506ed5b255bSYufeng Mo " [igu egu <port_id>] [rpu <tc_queue_num>]", 50727cf979aSliuzhongzhu HNS3_DBG_BUF_LEN - strlen(printf_buf) - 1); 50827cf979aSliuzhongzhu strncat(printf_buf + strlen(printf_buf), 5095cb51cfeSYufeng Mo " [rtc] [ppp] [rcb] [tqp <queue_num>] [mac]]\n", 51027cf979aSliuzhongzhu HNS3_DBG_BUF_LEN - strlen(printf_buf) - 1); 51127cf979aSliuzhongzhu dev_info(&h->pdev->dev, "%s", printf_buf); 512c0ebebb9Sliuzhongzhu 513c0ebebb9Sliuzhongzhu memset(printf_buf, 0, HNS3_DBG_BUF_LEN); 514ed5b255bSYufeng Mo strncat(printf_buf, "dump reg dcb <port_id> <pri_id> <pg_id>", 515c0ebebb9Sliuzhongzhu HNS3_DBG_BUF_LEN - 1); 516ed5b255bSYufeng Mo strncat(printf_buf + strlen(printf_buf), " <rq_id> <nq_id> <qset_id>\n", 517c0ebebb9Sliuzhongzhu HNS3_DBG_BUF_LEN - strlen(printf_buf) - 1); 518c0ebebb9Sliuzhongzhu dev_info(&h->pdev->dev, "%s", printf_buf); 519b2292360Sliuzhongzhu } 520b2292360Sliuzhongzhu 521c929bc2aSJiaran Zhang static void 522c929bc2aSJiaran Zhang hns3_dbg_dev_caps(struct hnae3_handle *h, char *buf, int len, int *pos) 5239484e337SGuangbin Huang { 5249484e337SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 525c929bc2aSJiaran Zhang static const char * const str[] = {"no", "yes"}; 526c929bc2aSJiaran Zhang unsigned long *caps = ae_dev->caps; 527c929bc2aSJiaran Zhang u32 i, state; 5289484e337SGuangbin Huang 529c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "dev capability:\n"); 5309484e337SGuangbin Huang 531c929bc2aSJiaran Zhang for (i = 0; i < ARRAY_SIZE(hns3_dbg_cap); i++) { 532c929bc2aSJiaran Zhang state = test_bit(hns3_dbg_cap[i].cap_bit, caps); 533c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "%s: %s\n", 534c929bc2aSJiaran Zhang hns3_dbg_cap[i].name, str[state]); 5359484e337SGuangbin Huang } 5369484e337SGuangbin Huang 537c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "\n"); 538c929bc2aSJiaran Zhang } 539c929bc2aSJiaran Zhang 540c929bc2aSJiaran Zhang static void 541c929bc2aSJiaran Zhang hns3_dbg_dev_specs(struct hnae3_handle *h, char *buf, int len, int *pos) 542b4442ec5SGuangbin Huang { 543b4442ec5SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 544b4442ec5SGuangbin Huang struct hnae3_dev_specs *dev_specs = &ae_dev->dev_specs; 545b4442ec5SGuangbin Huang struct hnae3_knic_private_info *kinfo = &h->kinfo; 546b4442ec5SGuangbin Huang 547c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "dev_spec:\n"); 548c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAC entry num: %u\n", 549c929bc2aSJiaran Zhang dev_specs->mac_entry_num); 550c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MNG entry num: %u\n", 551c929bc2aSJiaran Zhang dev_specs->mng_entry_num); 552c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX non tso bd num: %u\n", 553b4442ec5SGuangbin Huang dev_specs->max_non_tso_bd_num); 554c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RSS ind tbl size: %u\n", 555b4442ec5SGuangbin Huang dev_specs->rss_ind_tbl_size); 556c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RSS key size: %u\n", 557c929bc2aSJiaran Zhang dev_specs->rss_key_size); 558c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RSS size: %u\n", 559c929bc2aSJiaran Zhang kinfo->rss_size); 560c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "Allocated RSS size: %u\n", 561c929bc2aSJiaran Zhang kinfo->req_rss_size); 562c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, 563c929bc2aSJiaran Zhang "Task queue pairs numbers: %u\n", 564c929bc2aSJiaran Zhang kinfo->num_tqps); 565c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RX buffer length: %u\n", 566c929bc2aSJiaran Zhang kinfo->rx_buf_len); 567c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "Desc num per TX queue: %u\n", 568c929bc2aSJiaran Zhang kinfo->num_tx_desc); 569c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "Desc num per RX queue: %u\n", 570c929bc2aSJiaran Zhang kinfo->num_rx_desc); 571c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, 572c929bc2aSJiaran Zhang "Total number of enabled TCs: %u\n", 57335244430SJian Shen kinfo->tc_info.num_tc); 574c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX INT QL: %u\n", 575c929bc2aSJiaran Zhang dev_specs->int_ql_max); 576c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX INT GL: %u\n", 577c929bc2aSJiaran Zhang dev_specs->max_int_gl); 578c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX TM RATE: %u\n", 579c929bc2aSJiaran Zhang dev_specs->max_tm_rate); 580c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX QSET number: %u\n", 581c929bc2aSJiaran Zhang dev_specs->max_qset_num); 582c929bc2aSJiaran Zhang } 583c929bc2aSJiaran Zhang 584c929bc2aSJiaran Zhang static int hns3_dbg_dev_info(struct hnae3_handle *h, char *buf, int len) 585c929bc2aSJiaran Zhang { 586c929bc2aSJiaran Zhang int pos = 0; 587c929bc2aSJiaran Zhang 588c929bc2aSJiaran Zhang hns3_dbg_dev_caps(h, buf, len, &pos); 589c929bc2aSJiaran Zhang 590c929bc2aSJiaran Zhang hns3_dbg_dev_specs(h, buf, len, &pos); 591c929bc2aSJiaran Zhang 592c929bc2aSJiaran Zhang return 0; 593b4442ec5SGuangbin Huang } 594b4442ec5SGuangbin Huang 595b2292360Sliuzhongzhu static ssize_t hns3_dbg_cmd_read(struct file *filp, char __user *buffer, 596b2292360Sliuzhongzhu size_t count, loff_t *ppos) 597b2292360Sliuzhongzhu { 598b2292360Sliuzhongzhu int uncopy_bytes; 599b2292360Sliuzhongzhu char *buf; 600b2292360Sliuzhongzhu int len; 601b2292360Sliuzhongzhu 602b2292360Sliuzhongzhu if (*ppos != 0) 603b2292360Sliuzhongzhu return 0; 604b2292360Sliuzhongzhu 605b2292360Sliuzhongzhu if (count < HNS3_DBG_READ_LEN) 606b2292360Sliuzhongzhu return -ENOSPC; 607b2292360Sliuzhongzhu 608b2292360Sliuzhongzhu buf = kzalloc(HNS3_DBG_READ_LEN, GFP_KERNEL); 609b2292360Sliuzhongzhu if (!buf) 610b2292360Sliuzhongzhu return -ENOMEM; 611b2292360Sliuzhongzhu 61249e211c0SChen Zhou len = scnprintf(buf, HNS3_DBG_READ_LEN, "%s\n", 613b2292360Sliuzhongzhu "Please echo help to cmd to get help information"); 614b2292360Sliuzhongzhu uncopy_bytes = copy_to_user(buffer, buf, len); 615b2292360Sliuzhongzhu 616b2292360Sliuzhongzhu kfree(buf); 617b2292360Sliuzhongzhu 618b2292360Sliuzhongzhu if (uncopy_bytes) 619b2292360Sliuzhongzhu return -EFAULT; 620b2292360Sliuzhongzhu 621b2292360Sliuzhongzhu return (*ppos = len); 622b2292360Sliuzhongzhu } 623b2292360Sliuzhongzhu 624c318af3fSPeng Li static int hns3_dbg_check_cmd(struct hnae3_handle *handle, char *cmd_buf) 625c318af3fSPeng Li { 626c318af3fSPeng Li int ret = 0; 627c318af3fSPeng Li 628c318af3fSPeng Li if (strncmp(cmd_buf, "help", 4) == 0) 629c318af3fSPeng Li hns3_dbg_help(handle); 630c318af3fSPeng Li else if (strncmp(cmd_buf, "queue info", 10) == 0) 631c318af3fSPeng Li ret = hns3_dbg_queue_info(handle, cmd_buf); 632c318af3fSPeng Li else if (strncmp(cmd_buf, "queue map", 9) == 0) 633c318af3fSPeng Li ret = hns3_dbg_queue_map(handle); 634c318af3fSPeng Li else if (handle->ae_algo->ops->dbg_run_cmd) 635c318af3fSPeng Li ret = handle->ae_algo->ops->dbg_run_cmd(handle, cmd_buf); 636c318af3fSPeng Li else 637c318af3fSPeng Li ret = -EOPNOTSUPP; 638c318af3fSPeng Li 639c318af3fSPeng Li return ret; 640c318af3fSPeng Li } 641c318af3fSPeng Li 642b2292360Sliuzhongzhu static ssize_t hns3_dbg_cmd_write(struct file *filp, const char __user *buffer, 643b2292360Sliuzhongzhu size_t count, loff_t *ppos) 644b2292360Sliuzhongzhu { 645b2292360Sliuzhongzhu struct hnae3_handle *handle = filp->private_data; 64657ceee2cSliuzhongzhu struct hns3_nic_priv *priv = handle->priv; 647b2292360Sliuzhongzhu char *cmd_buf, *cmd_buf_tmp; 648b2292360Sliuzhongzhu int uncopied_bytes; 649c318af3fSPeng Li int ret; 650b2292360Sliuzhongzhu 651b2292360Sliuzhongzhu if (*ppos != 0) 652b2292360Sliuzhongzhu return 0; 653b2292360Sliuzhongzhu 65457ceee2cSliuzhongzhu /* Judge if the instance is being reset. */ 6557737f1fbSliuzhongzhu if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 65657ceee2cSliuzhongzhu test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) 65757ceee2cSliuzhongzhu return 0; 65857ceee2cSliuzhongzhu 6597ac243f9SYufeng Mo if (count > HNS3_DBG_WRITE_LEN) 6607ac243f9SYufeng Mo return -ENOSPC; 6617ac243f9SYufeng Mo 662b2292360Sliuzhongzhu cmd_buf = kzalloc(count + 1, GFP_KERNEL); 663b2292360Sliuzhongzhu if (!cmd_buf) 664b2292360Sliuzhongzhu return count; 665b2292360Sliuzhongzhu 666b2292360Sliuzhongzhu uncopied_bytes = copy_from_user(cmd_buf, buffer, count); 667b2292360Sliuzhongzhu if (uncopied_bytes) { 668b2292360Sliuzhongzhu kfree(cmd_buf); 669b2292360Sliuzhongzhu return -EFAULT; 670b2292360Sliuzhongzhu } 671b2292360Sliuzhongzhu 672b2292360Sliuzhongzhu cmd_buf[count] = '\0'; 673b2292360Sliuzhongzhu 674b2292360Sliuzhongzhu cmd_buf_tmp = strchr(cmd_buf, '\n'); 675b2292360Sliuzhongzhu if (cmd_buf_tmp) { 676b2292360Sliuzhongzhu *cmd_buf_tmp = '\0'; 677b2292360Sliuzhongzhu count = cmd_buf_tmp - cmd_buf + 1; 678b2292360Sliuzhongzhu } 679b2292360Sliuzhongzhu 680c318af3fSPeng Li ret = hns3_dbg_check_cmd(handle, cmd_buf); 681b2292360Sliuzhongzhu if (ret) 682b2292360Sliuzhongzhu hns3_dbg_help(handle); 683b2292360Sliuzhongzhu 684b2292360Sliuzhongzhu kfree(cmd_buf); 685b2292360Sliuzhongzhu cmd_buf = NULL; 686b2292360Sliuzhongzhu 687b2292360Sliuzhongzhu return count; 688b2292360Sliuzhongzhu } 689b2292360Sliuzhongzhu 6905e69ea7eSYufeng Mo static int hns3_dbg_get_cmd_index(struct hnae3_handle *handle, 6915e69ea7eSYufeng Mo const unsigned char *name, u32 *index) 6925e69ea7eSYufeng Mo { 6935e69ea7eSYufeng Mo u32 i; 6945e69ea7eSYufeng Mo 6955e69ea7eSYufeng Mo for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) { 6965e69ea7eSYufeng Mo if (!strncmp(name, hns3_dbg_cmd[i].name, 6975e69ea7eSYufeng Mo strlen(hns3_dbg_cmd[i].name))) { 6985e69ea7eSYufeng Mo *index = i; 6995e69ea7eSYufeng Mo return 0; 7005e69ea7eSYufeng Mo } 7015e69ea7eSYufeng Mo } 7025e69ea7eSYufeng Mo 7035e69ea7eSYufeng Mo dev_err(&handle->pdev->dev, "unknown command(%s)\n", name); 7045e69ea7eSYufeng Mo return -EINVAL; 7055e69ea7eSYufeng Mo } 7065e69ea7eSYufeng Mo 707c929bc2aSJiaran Zhang static const struct hns3_dbg_func hns3_dbg_cmd_func[] = { 708c929bc2aSJiaran Zhang { 709c929bc2aSJiaran Zhang .cmd = HNAE3_DBG_CMD_DEV_INFO, 710c929bc2aSJiaran Zhang .dbg_dump = hns3_dbg_dev_info, 711c929bc2aSJiaran Zhang }, 71277e91848SHuazhong Tan { 71377e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_TX_BD, 71477e91848SHuazhong Tan .dbg_dump_bd = hns3_dbg_tx_bd_info, 71577e91848SHuazhong Tan }, 71677e91848SHuazhong Tan { 71777e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_RX_BD, 71877e91848SHuazhong Tan .dbg_dump_bd = hns3_dbg_rx_bd_info, 71977e91848SHuazhong Tan }, 720c929bc2aSJiaran Zhang }; 721c929bc2aSJiaran Zhang 72277e91848SHuazhong Tan static int hns3_dbg_read_cmd(struct hns3_dbg_data *dbg_data, 7235e69ea7eSYufeng Mo enum hnae3_dbg_cmd cmd, char *buf, int len) 7245e69ea7eSYufeng Mo { 72577e91848SHuazhong Tan const struct hnae3_ae_ops *ops = dbg_data->handle->ae_algo->ops; 72677e91848SHuazhong Tan const struct hns3_dbg_func *cmd_func; 727c929bc2aSJiaran Zhang u32 i; 728c929bc2aSJiaran Zhang 729c929bc2aSJiaran Zhang for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd_func); i++) { 73077e91848SHuazhong Tan if (cmd == hns3_dbg_cmd_func[i].cmd) { 73177e91848SHuazhong Tan cmd_func = &hns3_dbg_cmd_func[i]; 73277e91848SHuazhong Tan if (cmd_func->dbg_dump) 73377e91848SHuazhong Tan return cmd_func->dbg_dump(dbg_data->handle, buf, 73477e91848SHuazhong Tan len); 73577e91848SHuazhong Tan else 73677e91848SHuazhong Tan return cmd_func->dbg_dump_bd(dbg_data, buf, 73777e91848SHuazhong Tan len); 73877e91848SHuazhong Tan } 739c929bc2aSJiaran Zhang } 7405e69ea7eSYufeng Mo 7415e69ea7eSYufeng Mo if (!ops->dbg_read_cmd) 7425e69ea7eSYufeng Mo return -EOPNOTSUPP; 7435e69ea7eSYufeng Mo 74477e91848SHuazhong Tan return ops->dbg_read_cmd(dbg_data->handle, cmd, buf, len); 7455e69ea7eSYufeng Mo } 7465e69ea7eSYufeng Mo 74704987ca1SGuangbin Huang static ssize_t hns3_dbg_read(struct file *filp, char __user *buffer, 74804987ca1SGuangbin Huang size_t count, loff_t *ppos) 74904987ca1SGuangbin Huang { 75077e91848SHuazhong Tan struct hns3_dbg_data *dbg_data = filp->private_data; 75177e91848SHuazhong Tan struct hnae3_handle *handle = dbg_data->handle; 75204987ca1SGuangbin Huang struct hns3_nic_priv *priv = handle->priv; 75304987ca1SGuangbin Huang ssize_t size = 0; 7545e69ea7eSYufeng Mo char **save_buf; 7555e69ea7eSYufeng Mo char *read_buf; 7565e69ea7eSYufeng Mo u32 index; 7575e69ea7eSYufeng Mo int ret; 75804987ca1SGuangbin Huang 7595e69ea7eSYufeng Mo ret = hns3_dbg_get_cmd_index(handle, filp->f_path.dentry->d_iname, 7605e69ea7eSYufeng Mo &index); 7615e69ea7eSYufeng Mo if (ret) 7625e69ea7eSYufeng Mo return ret; 7635e69ea7eSYufeng Mo 7645e69ea7eSYufeng Mo save_buf = &hns3_dbg_cmd[index].buf; 7655e69ea7eSYufeng Mo 7665e69ea7eSYufeng Mo if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 7675e69ea7eSYufeng Mo test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) { 7685e69ea7eSYufeng Mo ret = -EBUSY; 7695e69ea7eSYufeng Mo goto out; 7705e69ea7eSYufeng Mo } 7715e69ea7eSYufeng Mo 7725e69ea7eSYufeng Mo if (*save_buf) { 7735e69ea7eSYufeng Mo read_buf = *save_buf; 7745e69ea7eSYufeng Mo } else { 7755e69ea7eSYufeng Mo read_buf = kvzalloc(hns3_dbg_cmd[index].buf_len, GFP_KERNEL); 77604987ca1SGuangbin Huang if (!read_buf) 77704987ca1SGuangbin Huang return -ENOMEM; 77804987ca1SGuangbin Huang 7795e69ea7eSYufeng Mo /* save the buffer addr until the last read operation */ 7805e69ea7eSYufeng Mo *save_buf = read_buf; 7815e69ea7eSYufeng Mo } 78204987ca1SGuangbin Huang 7835e69ea7eSYufeng Mo /* get data ready for the first time to read */ 7845e69ea7eSYufeng Mo if (!*ppos) { 78577e91848SHuazhong Tan ret = hns3_dbg_read_cmd(dbg_data, hns3_dbg_cmd[index].cmd, 7865e69ea7eSYufeng Mo read_buf, hns3_dbg_cmd[index].buf_len); 7875e69ea7eSYufeng Mo if (ret) 78804987ca1SGuangbin Huang goto out; 78904987ca1SGuangbin Huang } 79004987ca1SGuangbin Huang 79104987ca1SGuangbin Huang size = simple_read_from_buffer(buffer, count, ppos, read_buf, 79204987ca1SGuangbin Huang strlen(read_buf)); 7935e69ea7eSYufeng Mo if (size > 0) 7945e69ea7eSYufeng Mo return size; 79504987ca1SGuangbin Huang 79604987ca1SGuangbin Huang out: 7975e69ea7eSYufeng Mo /* free the buffer for the last read operation */ 7985e69ea7eSYufeng Mo if (*save_buf) { 7995e69ea7eSYufeng Mo kvfree(*save_buf); 8005e69ea7eSYufeng Mo *save_buf = NULL; 8015e69ea7eSYufeng Mo } 8025e69ea7eSYufeng Mo 8035e69ea7eSYufeng Mo return ret; 80404987ca1SGuangbin Huang } 80504987ca1SGuangbin Huang 806b2292360Sliuzhongzhu static const struct file_operations hns3_dbg_cmd_fops = { 807b2292360Sliuzhongzhu .owner = THIS_MODULE, 808b2292360Sliuzhongzhu .open = simple_open, 809b2292360Sliuzhongzhu .read = hns3_dbg_cmd_read, 810b2292360Sliuzhongzhu .write = hns3_dbg_cmd_write, 811b2292360Sliuzhongzhu }; 812b2292360Sliuzhongzhu 81304987ca1SGuangbin Huang static const struct file_operations hns3_dbg_fops = { 81404987ca1SGuangbin Huang .owner = THIS_MODULE, 81504987ca1SGuangbin Huang .open = simple_open, 81604987ca1SGuangbin Huang .read = hns3_dbg_read, 81704987ca1SGuangbin Huang }; 81804987ca1SGuangbin Huang 81977e91848SHuazhong Tan static int hns3_dbg_bd_file_init(struct hnae3_handle *handle, u32 cmd) 82077e91848SHuazhong Tan { 82177e91848SHuazhong Tan struct dentry *entry_dir; 82277e91848SHuazhong Tan struct hns3_dbg_data *data; 82377e91848SHuazhong Tan u16 max_queue_num; 82477e91848SHuazhong Tan unsigned int i; 82577e91848SHuazhong Tan 82677e91848SHuazhong Tan entry_dir = hns3_dbg_dentry[hns3_dbg_cmd[cmd].dentry].dentry; 82777e91848SHuazhong Tan max_queue_num = hns3_get_max_available_channels(handle); 82877e91848SHuazhong Tan data = devm_kzalloc(&handle->pdev->dev, max_queue_num * sizeof(*data), 82977e91848SHuazhong Tan GFP_KERNEL); 83077e91848SHuazhong Tan if (!data) 83177e91848SHuazhong Tan return -ENOMEM; 83277e91848SHuazhong Tan 83377e91848SHuazhong Tan for (i = 0; i < max_queue_num; i++) { 83477e91848SHuazhong Tan char name[HNS3_DBG_FILE_NAME_LEN]; 83577e91848SHuazhong Tan 83677e91848SHuazhong Tan data[i].handle = handle; 83777e91848SHuazhong Tan data[i].qid = i; 83877e91848SHuazhong Tan sprintf(name, "%s%u", hns3_dbg_cmd[cmd].name, i); 83977e91848SHuazhong Tan debugfs_create_file(name, 0400, entry_dir, &data[i], 84077e91848SHuazhong Tan &hns3_dbg_fops); 84177e91848SHuazhong Tan } 84277e91848SHuazhong Tan 84377e91848SHuazhong Tan return 0; 84477e91848SHuazhong Tan } 84577e91848SHuazhong Tan 8465e69ea7eSYufeng Mo static int 8475e69ea7eSYufeng Mo hns3_dbg_common_file_init(struct hnae3_handle *handle, u32 cmd) 8485e69ea7eSYufeng Mo { 84977e91848SHuazhong Tan struct hns3_dbg_data *data; 8505e69ea7eSYufeng Mo struct dentry *entry_dir; 8515e69ea7eSYufeng Mo 85277e91848SHuazhong Tan data = devm_kzalloc(&handle->pdev->dev, sizeof(*data), GFP_KERNEL); 85377e91848SHuazhong Tan if (!data) 85477e91848SHuazhong Tan return -ENOMEM; 85577e91848SHuazhong Tan 85677e91848SHuazhong Tan data->handle = handle; 8575e69ea7eSYufeng Mo entry_dir = hns3_dbg_dentry[hns3_dbg_cmd[cmd].dentry].dentry; 8585e69ea7eSYufeng Mo debugfs_create_file(hns3_dbg_cmd[cmd].name, 0400, entry_dir, 85977e91848SHuazhong Tan data, &hns3_dbg_fops); 8605e69ea7eSYufeng Mo 8615e69ea7eSYufeng Mo return 0; 8625e69ea7eSYufeng Mo } 8635e69ea7eSYufeng Mo 8645e69ea7eSYufeng Mo int hns3_dbg_init(struct hnae3_handle *handle) 865b2292360Sliuzhongzhu { 86604987ca1SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 867b2292360Sliuzhongzhu const char *name = pci_name(handle->pdev); 8685e69ea7eSYufeng Mo int ret; 8695e69ea7eSYufeng Mo u32 i; 870b2292360Sliuzhongzhu 8715e69ea7eSYufeng Mo hns3_dbg_dentry[HNS3_DBG_DENTRY_COMMON].dentry = 8725e69ea7eSYufeng Mo debugfs_create_dir(name, hns3_dbgfs_root); 8735e69ea7eSYufeng Mo handle->hnae3_dbgfs = hns3_dbg_dentry[HNS3_DBG_DENTRY_COMMON].dentry; 874b2292360Sliuzhongzhu 87511ab11e6SGreg Kroah-Hartman debugfs_create_file("cmd", 0600, handle->hnae3_dbgfs, handle, 876b2292360Sliuzhongzhu &hns3_dbg_cmd_fops); 87704987ca1SGuangbin Huang 8785e69ea7eSYufeng Mo for (i = 0; i < HNS3_DBG_DENTRY_COMMON; i++) 8795e69ea7eSYufeng Mo hns3_dbg_dentry[i].dentry = 8805e69ea7eSYufeng Mo debugfs_create_dir(hns3_dbg_dentry[i].name, 8815e69ea7eSYufeng Mo handle->hnae3_dbgfs); 8825e69ea7eSYufeng Mo 8835e69ea7eSYufeng Mo for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) { 8845e69ea7eSYufeng Mo if (hns3_dbg_cmd[i].cmd == HNAE3_DBG_CMD_TM_NODES && 8855e69ea7eSYufeng Mo ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2) 8865e69ea7eSYufeng Mo continue; 8875e69ea7eSYufeng Mo 8885e69ea7eSYufeng Mo if (!hns3_dbg_cmd[i].init) { 8895e69ea7eSYufeng Mo dev_err(&handle->pdev->dev, 8905e69ea7eSYufeng Mo "cmd %s lack of init func\n", 8915e69ea7eSYufeng Mo hns3_dbg_cmd[i].name); 8925e69ea7eSYufeng Mo ret = -EINVAL; 8935e69ea7eSYufeng Mo goto out; 8945e69ea7eSYufeng Mo } 8955e69ea7eSYufeng Mo 8965e69ea7eSYufeng Mo ret = hns3_dbg_cmd[i].init(handle, i); 8975e69ea7eSYufeng Mo if (ret) { 8985e69ea7eSYufeng Mo dev_err(&handle->pdev->dev, "failed to init cmd %s\n", 8995e69ea7eSYufeng Mo hns3_dbg_cmd[i].name); 9005e69ea7eSYufeng Mo goto out; 9015e69ea7eSYufeng Mo } 9025e69ea7eSYufeng Mo } 9035e69ea7eSYufeng Mo 9045e69ea7eSYufeng Mo return 0; 9055e69ea7eSYufeng Mo 9065e69ea7eSYufeng Mo out: 9075e69ea7eSYufeng Mo debugfs_remove_recursive(handle->hnae3_dbgfs); 9085e69ea7eSYufeng Mo handle->hnae3_dbgfs = NULL; 9095e69ea7eSYufeng Mo return ret; 910b2292360Sliuzhongzhu } 911b2292360Sliuzhongzhu 912b2292360Sliuzhongzhu void hns3_dbg_uninit(struct hnae3_handle *handle) 913b2292360Sliuzhongzhu { 9145e69ea7eSYufeng Mo u32 i; 9155e69ea7eSYufeng Mo 9165e69ea7eSYufeng Mo for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) 9175e69ea7eSYufeng Mo if (hns3_dbg_cmd[i].buf) { 9185e69ea7eSYufeng Mo kvfree(hns3_dbg_cmd[i].buf); 9195e69ea7eSYufeng Mo hns3_dbg_cmd[i].buf = NULL; 9205e69ea7eSYufeng Mo } 9215e69ea7eSYufeng Mo 922b2292360Sliuzhongzhu debugfs_remove_recursive(handle->hnae3_dbgfs); 923b2292360Sliuzhongzhu handle->hnae3_dbgfs = NULL; 924b2292360Sliuzhongzhu } 925b2292360Sliuzhongzhu 926b2292360Sliuzhongzhu void hns3_dbg_register_debugfs(const char *debugfs_dir_name) 927b2292360Sliuzhongzhu { 928b2292360Sliuzhongzhu hns3_dbgfs_root = debugfs_create_dir(debugfs_dir_name, NULL); 929b2292360Sliuzhongzhu } 930b2292360Sliuzhongzhu 931b2292360Sliuzhongzhu void hns3_dbg_unregister_debugfs(void) 932b2292360Sliuzhongzhu { 933b2292360Sliuzhongzhu debugfs_remove_recursive(hns3_dbgfs_root); 934b2292360Sliuzhongzhu hns3_dbgfs_root = NULL; 935b2292360Sliuzhongzhu } 936