1b2292360Sliuzhongzhu // SPDX-License-Identifier: GPL-2.0+ 2b2292360Sliuzhongzhu /* Copyright (c) 2018-2019 Hisilicon Limited. */ 3b2292360Sliuzhongzhu 4b2292360Sliuzhongzhu #include <linux/debugfs.h> 5b2292360Sliuzhongzhu #include <linux/device.h> 6b2292360Sliuzhongzhu 7b2292360Sliuzhongzhu #include "hnae3.h" 85e69ea7eSYufeng Mo #include "hns3_debugfs.h" 9b2292360Sliuzhongzhu #include "hns3_enet.h" 10b2292360Sliuzhongzhu 11b2292360Sliuzhongzhu static struct dentry *hns3_dbgfs_root; 12b2292360Sliuzhongzhu 135e69ea7eSYufeng Mo static struct hns3_dbg_dentry_info hns3_dbg_dentry[] = { 145e69ea7eSYufeng Mo { 155e69ea7eSYufeng Mo .name = "tm" 165e69ea7eSYufeng Mo }, 1777e91848SHuazhong Tan { 1877e91848SHuazhong Tan .name = "tx_bd_info" 1977e91848SHuazhong Tan }, 2077e91848SHuazhong Tan { 2177e91848SHuazhong Tan .name = "rx_bd_info" 2277e91848SHuazhong Tan }, 231556ea91SHuazhong Tan { 241556ea91SHuazhong Tan .name = "mac_list" 251556ea91SHuazhong Tan }, 265e69ea7eSYufeng Mo /* keep common at the bottom and add new directory above */ 275e69ea7eSYufeng Mo { 285e69ea7eSYufeng Mo .name = "common" 295e69ea7eSYufeng Mo }, 305e69ea7eSYufeng Mo }; 315e69ea7eSYufeng Mo 3277e91848SHuazhong Tan static int hns3_dbg_bd_file_init(struct hnae3_handle *handle, unsigned int cmd); 335e69ea7eSYufeng Mo static int hns3_dbg_common_file_init(struct hnae3_handle *handle, 345e69ea7eSYufeng Mo unsigned int cmd); 355e69ea7eSYufeng Mo 365e69ea7eSYufeng Mo static struct hns3_dbg_cmd_info hns3_dbg_cmd[] = { 375e69ea7eSYufeng Mo { 385e69ea7eSYufeng Mo .name = "tm_nodes", 395e69ea7eSYufeng Mo .cmd = HNAE3_DBG_CMD_TM_NODES, 405e69ea7eSYufeng Mo .dentry = HNS3_DBG_DENTRY_TM, 415e69ea7eSYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 425e69ea7eSYufeng Mo .init = hns3_dbg_common_file_init, 435e69ea7eSYufeng Mo }, 445e69ea7eSYufeng Mo { 455e69ea7eSYufeng Mo .name = "tm_priority", 465e69ea7eSYufeng Mo .cmd = HNAE3_DBG_CMD_TM_PRI, 475e69ea7eSYufeng Mo .dentry = HNS3_DBG_DENTRY_TM, 485e69ea7eSYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 495e69ea7eSYufeng Mo .init = hns3_dbg_common_file_init, 505e69ea7eSYufeng Mo }, 515e69ea7eSYufeng Mo { 525e69ea7eSYufeng Mo .name = "tm_qset", 535e69ea7eSYufeng Mo .cmd = HNAE3_DBG_CMD_TM_QSET, 545e69ea7eSYufeng Mo .dentry = HNS3_DBG_DENTRY_TM, 555e69ea7eSYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 565e69ea7eSYufeng Mo .init = hns3_dbg_common_file_init, 575e69ea7eSYufeng Mo }, 58c929bc2aSJiaran Zhang { 59c929bc2aSJiaran Zhang .name = "dev_info", 60c929bc2aSJiaran Zhang .cmd = HNAE3_DBG_CMD_DEV_INFO, 61c929bc2aSJiaran Zhang .dentry = HNS3_DBG_DENTRY_COMMON, 62c929bc2aSJiaran Zhang .buf_len = HNS3_DBG_READ_LEN, 63c929bc2aSJiaran Zhang .init = hns3_dbg_common_file_init, 64c929bc2aSJiaran Zhang }, 6577e91848SHuazhong Tan { 6677e91848SHuazhong Tan .name = "tx_bd_queue", 6777e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_TX_BD, 6877e91848SHuazhong Tan .dentry = HNS3_DBG_DENTRY_TX_BD, 6977e91848SHuazhong Tan .buf_len = HNS3_DBG_READ_LEN_4MB, 7077e91848SHuazhong Tan .init = hns3_dbg_bd_file_init, 7177e91848SHuazhong Tan }, 7277e91848SHuazhong Tan { 7377e91848SHuazhong Tan .name = "rx_bd_queue", 7477e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_RX_BD, 7577e91848SHuazhong Tan .dentry = HNS3_DBG_DENTRY_RX_BD, 7677e91848SHuazhong Tan .buf_len = HNS3_DBG_READ_LEN_4MB, 7777e91848SHuazhong Tan .init = hns3_dbg_bd_file_init, 7877e91848SHuazhong Tan }, 791556ea91SHuazhong Tan { 801556ea91SHuazhong Tan .name = "uc", 811556ea91SHuazhong Tan .cmd = HNAE3_DBG_CMD_MAC_UC, 821556ea91SHuazhong Tan .dentry = HNS3_DBG_DENTRY_MAC, 831556ea91SHuazhong Tan .buf_len = HNS3_DBG_READ_LEN, 841556ea91SHuazhong Tan .init = hns3_dbg_common_file_init, 851556ea91SHuazhong Tan }, 861556ea91SHuazhong Tan { 871556ea91SHuazhong Tan .name = "mc", 881556ea91SHuazhong Tan .cmd = HNAE3_DBG_CMD_MAC_MC, 891556ea91SHuazhong Tan .dentry = HNS3_DBG_DENTRY_MAC, 901556ea91SHuazhong Tan .buf_len = HNS3_DBG_READ_LEN, 911556ea91SHuazhong Tan .init = hns3_dbg_common_file_init, 921556ea91SHuazhong Tan }, 938ddfd9c4SYufeng Mo { 948ddfd9c4SYufeng Mo .name = "mng_tbl", 958ddfd9c4SYufeng Mo .cmd = HNAE3_DBG_CMD_MNG_TBL, 968ddfd9c4SYufeng Mo .dentry = HNS3_DBG_DENTRY_COMMON, 978ddfd9c4SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 988ddfd9c4SYufeng Mo .init = hns3_dbg_common_file_init, 998ddfd9c4SYufeng Mo }, 100d658ff34SYufeng Mo { 101d658ff34SYufeng Mo .name = "loopback", 102d658ff34SYufeng Mo .cmd = HNAE3_DBG_CMD_LOOPBACK, 103d658ff34SYufeng Mo .dentry = HNS3_DBG_DENTRY_COMMON, 104d658ff34SYufeng Mo .buf_len = HNS3_DBG_READ_LEN, 105d658ff34SYufeng Mo .init = hns3_dbg_common_file_init, 106d658ff34SYufeng Mo }, 1079149ca0fSJiaran Zhang { 1089149ca0fSJiaran Zhang .name = "interrupt_info", 1099149ca0fSJiaran Zhang .cmd = HNAE3_DBG_CMD_INTERRUPT_INFO, 1109149ca0fSJiaran Zhang .dentry = HNS3_DBG_DENTRY_COMMON, 1119149ca0fSJiaran Zhang .buf_len = HNS3_DBG_READ_LEN, 1129149ca0fSJiaran Zhang .init = hns3_dbg_common_file_init, 1139149ca0fSJiaran Zhang }, 1141a7ff828SJiaran Zhang { 1151a7ff828SJiaran Zhang .name = "reset_info", 1161a7ff828SJiaran Zhang .cmd = HNAE3_DBG_CMD_RESET_INFO, 1171a7ff828SJiaran Zhang .dentry = HNS3_DBG_DENTRY_COMMON, 1181a7ff828SJiaran Zhang .buf_len = HNS3_DBG_READ_LEN, 1191a7ff828SJiaran Zhang .init = hns3_dbg_common_file_init, 1201a7ff828SJiaran Zhang }, 121*0b198b0dSJiaran Zhang { 122*0b198b0dSJiaran Zhang .name = "imp_info", 123*0b198b0dSJiaran Zhang .cmd = HNAE3_DBG_CMD_IMP_INFO, 124*0b198b0dSJiaran Zhang .dentry = HNS3_DBG_DENTRY_COMMON, 125*0b198b0dSJiaran Zhang .buf_len = HNS3_DBG_READ_LEN, 126*0b198b0dSJiaran Zhang .init = hns3_dbg_common_file_init, 127*0b198b0dSJiaran Zhang }, 128c929bc2aSJiaran Zhang }; 129c929bc2aSJiaran Zhang 130c929bc2aSJiaran Zhang static struct hns3_dbg_cap_info hns3_dbg_cap[] = { 131c929bc2aSJiaran Zhang { 132c929bc2aSJiaran Zhang .name = "support FD", 133c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_FD_B, 134c929bc2aSJiaran Zhang }, { 135c929bc2aSJiaran Zhang .name = "support GRO", 136c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_GRO_B, 137c929bc2aSJiaran Zhang }, { 138c929bc2aSJiaran Zhang .name = "support FEC", 139c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_FEC_B, 140c929bc2aSJiaran Zhang }, { 141c929bc2aSJiaran Zhang .name = "support UDP GSO", 142c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_UDP_GSO_B, 143c929bc2aSJiaran Zhang }, { 144c929bc2aSJiaran Zhang .name = "support PTP", 145c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_PTP_B, 146c929bc2aSJiaran Zhang }, { 147c929bc2aSJiaran Zhang .name = "support INT QL", 148c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_INT_QL_B, 149c929bc2aSJiaran Zhang }, { 150c929bc2aSJiaran Zhang .name = "support HW TX csum", 151c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_HW_TX_CSUM_B, 152c929bc2aSJiaran Zhang }, { 153c929bc2aSJiaran Zhang .name = "support UDP tunnel csum", 154c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_UDP_TUNNEL_CSUM_B, 155c929bc2aSJiaran Zhang }, { 156c929bc2aSJiaran Zhang .name = "support TX push", 157c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_TX_PUSH_B, 158c929bc2aSJiaran Zhang }, { 159c929bc2aSJiaran Zhang .name = "support imp-controlled PHY", 160c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_PHY_IMP_B, 161c929bc2aSJiaran Zhang }, { 162c929bc2aSJiaran Zhang .name = "support rxd advanced layout", 163c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_RXD_ADV_LAYOUT_B, 164c929bc2aSJiaran Zhang }, 1655e69ea7eSYufeng Mo }; 1665e69ea7eSYufeng Mo 16777e91848SHuazhong Tan static void hns3_dbg_fill_content(char *content, u16 len, 16877e91848SHuazhong Tan const struct hns3_dbg_item *items, 16977e91848SHuazhong Tan const char **result, u16 size) 17077e91848SHuazhong Tan { 17177e91848SHuazhong Tan char *pos = content; 17277e91848SHuazhong Tan u16 i; 17377e91848SHuazhong Tan 17477e91848SHuazhong Tan memset(content, ' ', len); 17577e91848SHuazhong Tan for (i = 0; i < size; i++) { 17677e91848SHuazhong Tan if (result) 17777e91848SHuazhong Tan strncpy(pos, result[i], strlen(result[i])); 17877e91848SHuazhong Tan else 17977e91848SHuazhong Tan strncpy(pos, items[i].name, strlen(items[i].name)); 18077e91848SHuazhong Tan 18177e91848SHuazhong Tan pos += strlen(items[i].name) + items[i].interval; 18277e91848SHuazhong Tan } 18377e91848SHuazhong Tan 18477e91848SHuazhong Tan *pos++ = '\n'; 18577e91848SHuazhong Tan *pos++ = '\0'; 18677e91848SHuazhong Tan } 18777e91848SHuazhong Tan 188ebaf1908SWeihang Li static int hns3_dbg_queue_info(struct hnae3_handle *h, 189ebaf1908SWeihang Li const char *cmd_buf) 19057ceee2cSliuzhongzhu { 191dbaae5bbSGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 19257ceee2cSliuzhongzhu struct hns3_nic_priv *priv = h->priv; 19357ceee2cSliuzhongzhu struct hns3_enet_ring *ring; 19457ceee2cSliuzhongzhu u32 base_add_l, base_add_h; 19557ceee2cSliuzhongzhu u32 queue_num, queue_max; 1969d8d5a36SYufeng Mo u32 value, i; 19757ceee2cSliuzhongzhu int cnt; 19857ceee2cSliuzhongzhu 1995f06b903SYunsheng Lin if (!priv->ring) { 2005f06b903SYunsheng Lin dev_err(&h->pdev->dev, "priv->ring is NULL\n"); 20157ceee2cSliuzhongzhu return -EFAULT; 20257ceee2cSliuzhongzhu } 20357ceee2cSliuzhongzhu 20457ceee2cSliuzhongzhu queue_max = h->kinfo.num_tqps; 20557ceee2cSliuzhongzhu cnt = kstrtouint(&cmd_buf[11], 0, &queue_num); 20657ceee2cSliuzhongzhu if (cnt) 20757ceee2cSliuzhongzhu queue_num = 0; 20857ceee2cSliuzhongzhu else 20957ceee2cSliuzhongzhu queue_max = queue_num + 1; 21057ceee2cSliuzhongzhu 21157ceee2cSliuzhongzhu dev_info(&h->pdev->dev, "queue info\n"); 21257ceee2cSliuzhongzhu 21357ceee2cSliuzhongzhu if (queue_num >= h->kinfo.num_tqps) { 21457ceee2cSliuzhongzhu dev_err(&h->pdev->dev, 215ed5b255bSYufeng Mo "Queue number(%u) is out of range(0-%u)\n", queue_num, 21657ceee2cSliuzhongzhu h->kinfo.num_tqps - 1); 21757ceee2cSliuzhongzhu return -EINVAL; 21857ceee2cSliuzhongzhu } 21957ceee2cSliuzhongzhu 22057ceee2cSliuzhongzhu for (i = queue_num; i < queue_max; i++) { 22157ceee2cSliuzhongzhu /* Each cycle needs to determine whether the instance is reset, 22257ceee2cSliuzhongzhu * to prevent reference to invalid memory. And need to ensure 22357ceee2cSliuzhongzhu * that the following code is executed within 100ms. 22457ceee2cSliuzhongzhu */ 2257737f1fbSliuzhongzhu if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 22657ceee2cSliuzhongzhu test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) 22757ceee2cSliuzhongzhu return -EPERM; 22857ceee2cSliuzhongzhu 2295f06b903SYunsheng Lin ring = &priv->ring[(u32)(i + h->kinfo.num_tqps)]; 23057ceee2cSliuzhongzhu base_add_h = readl_relaxed(ring->tqp->io_base + 23157ceee2cSliuzhongzhu HNS3_RING_RX_RING_BASEADDR_H_REG); 23257ceee2cSliuzhongzhu base_add_l = readl_relaxed(ring->tqp->io_base + 23357ceee2cSliuzhongzhu HNS3_RING_RX_RING_BASEADDR_L_REG); 234adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) BASE ADD: 0x%08x%08x\n", i, 23557ceee2cSliuzhongzhu base_add_h, base_add_l); 23657ceee2cSliuzhongzhu 23757ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 23857ceee2cSliuzhongzhu HNS3_RING_RX_RING_BD_NUM_REG); 239adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING BD NUM: %u\n", i, value); 24057ceee2cSliuzhongzhu 24157ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 24257ceee2cSliuzhongzhu HNS3_RING_RX_RING_BD_LEN_REG); 243adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING BD LEN: %u\n", i, value); 24457ceee2cSliuzhongzhu 24557ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 24657ceee2cSliuzhongzhu HNS3_RING_RX_RING_TAIL_REG); 247adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING TAIL: %u\n", i, value); 24857ceee2cSliuzhongzhu 24957ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 25057ceee2cSliuzhongzhu HNS3_RING_RX_RING_HEAD_REG); 251adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING HEAD: %u\n", i, value); 25257ceee2cSliuzhongzhu 25357ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 25457ceee2cSliuzhongzhu HNS3_RING_RX_RING_FBDNUM_REG); 255adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING FBDNUM: %u\n", i, value); 25657ceee2cSliuzhongzhu 25757ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 25857ceee2cSliuzhongzhu HNS3_RING_RX_RING_PKTNUM_RECORD_REG); 259adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING PKTNUM: %u\n", i, value); 26057ceee2cSliuzhongzhu 2615f06b903SYunsheng Lin ring = &priv->ring[i]; 26257ceee2cSliuzhongzhu base_add_h = readl_relaxed(ring->tqp->io_base + 26357ceee2cSliuzhongzhu HNS3_RING_TX_RING_BASEADDR_H_REG); 26457ceee2cSliuzhongzhu base_add_l = readl_relaxed(ring->tqp->io_base + 26557ceee2cSliuzhongzhu HNS3_RING_TX_RING_BASEADDR_L_REG); 266adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) BASE ADD: 0x%08x%08x\n", i, 26757ceee2cSliuzhongzhu base_add_h, base_add_l); 26857ceee2cSliuzhongzhu 26957ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 27057ceee2cSliuzhongzhu HNS3_RING_TX_RING_BD_NUM_REG); 271adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING BD NUM: %u\n", i, value); 27257ceee2cSliuzhongzhu 27357ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 27457ceee2cSliuzhongzhu HNS3_RING_TX_RING_TC_REG); 275adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING TC: %u\n", i, value); 27657ceee2cSliuzhongzhu 27757ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 27857ceee2cSliuzhongzhu HNS3_RING_TX_RING_TAIL_REG); 279adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING TAIL: %u\n", i, value); 28057ceee2cSliuzhongzhu 28157ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 28257ceee2cSliuzhongzhu HNS3_RING_TX_RING_HEAD_REG); 283adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING HEAD: %u\n", i, value); 28457ceee2cSliuzhongzhu 28557ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 28657ceee2cSliuzhongzhu HNS3_RING_TX_RING_FBDNUM_REG); 287adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING FBDNUM: %u\n", i, value); 28857ceee2cSliuzhongzhu 28957ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 29057ceee2cSliuzhongzhu HNS3_RING_TX_RING_OFFSET_REG); 291adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING OFFSET: %u\n", i, value); 29257ceee2cSliuzhongzhu 29357ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 29457ceee2cSliuzhongzhu HNS3_RING_TX_RING_PKTNUM_RECORD_REG); 295dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "TX(%u) RING PKTNUM: %u\n", i, value); 296dbaae5bbSGuangbin Huang 297dbaae5bbSGuangbin Huang value = readl_relaxed(ring->tqp->io_base + HNS3_RING_EN_REG); 298dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "TX/RX(%u) RING EN: %s\n", i, 299dbaae5bbSGuangbin Huang value ? "enable" : "disable"); 300dbaae5bbSGuangbin Huang 301dbaae5bbSGuangbin Huang if (hnae3_ae_dev_tqp_txrx_indep_supported(ae_dev)) { 302dbaae5bbSGuangbin Huang value = readl_relaxed(ring->tqp->io_base + 303dbaae5bbSGuangbin Huang HNS3_RING_TX_EN_REG); 304dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "TX(%u) RING EN: %s\n", i, 305dbaae5bbSGuangbin Huang value ? "enable" : "disable"); 306dbaae5bbSGuangbin Huang 307dbaae5bbSGuangbin Huang value = readl_relaxed(ring->tqp->io_base + 308dbaae5bbSGuangbin Huang HNS3_RING_RX_EN_REG); 309dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "RX(%u) RING EN: %s\n", i, 310dbaae5bbSGuangbin Huang value ? "enable" : "disable"); 311dbaae5bbSGuangbin Huang } 312dbaae5bbSGuangbin Huang 313dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "\n"); 31457ceee2cSliuzhongzhu } 31557ceee2cSliuzhongzhu 31657ceee2cSliuzhongzhu return 0; 31757ceee2cSliuzhongzhu } 31857ceee2cSliuzhongzhu 3190c29d191Sliuzhongzhu static int hns3_dbg_queue_map(struct hnae3_handle *h) 3200c29d191Sliuzhongzhu { 3210c29d191Sliuzhongzhu struct hns3_nic_priv *priv = h->priv; 3220c29d191Sliuzhongzhu int i; 3230c29d191Sliuzhongzhu 3240c29d191Sliuzhongzhu if (!h->ae_algo->ops->get_global_queue_id) 3250c29d191Sliuzhongzhu return -EOPNOTSUPP; 3260c29d191Sliuzhongzhu 3270c29d191Sliuzhongzhu dev_info(&h->pdev->dev, "map info for queue id and vector id\n"); 3280c29d191Sliuzhongzhu dev_info(&h->pdev->dev, 3290c29d191Sliuzhongzhu "local queue id | global queue id | vector id\n"); 3300c29d191Sliuzhongzhu for (i = 0; i < h->kinfo.num_tqps; i++) { 3310c29d191Sliuzhongzhu u16 global_qid; 3320c29d191Sliuzhongzhu 3330c29d191Sliuzhongzhu global_qid = h->ae_algo->ops->get_global_queue_id(h, i); 3345f06b903SYunsheng Lin if (!priv->ring || !priv->ring[i].tqp_vector) 3350c29d191Sliuzhongzhu continue; 3360c29d191Sliuzhongzhu 3370c29d191Sliuzhongzhu dev_info(&h->pdev->dev, 338c5aaf176SJiaran Zhang " %4d %4u %4d\n", 3395f06b903SYunsheng Lin i, global_qid, priv->ring[i].tqp_vector->vector_irq); 3400c29d191Sliuzhongzhu } 3410c29d191Sliuzhongzhu 3420c29d191Sliuzhongzhu return 0; 3430c29d191Sliuzhongzhu } 3440c29d191Sliuzhongzhu 34577e91848SHuazhong Tan static const struct hns3_dbg_item rx_bd_info_items[] = { 34677e91848SHuazhong Tan { "BD_IDX", 3 }, 34777e91848SHuazhong Tan { "L234_INFO", 2 }, 34877e91848SHuazhong Tan { "PKT_LEN", 3 }, 34977e91848SHuazhong Tan { "SIZE", 4 }, 35077e91848SHuazhong Tan { "RSS_HASH", 4 }, 35177e91848SHuazhong Tan { "FD_ID", 2 }, 35277e91848SHuazhong Tan { "VLAN_TAG", 2 }, 35377e91848SHuazhong Tan { "O_DM_VLAN_ID_FB", 2 }, 35477e91848SHuazhong Tan { "OT_VLAN_TAG", 2 }, 35577e91848SHuazhong Tan { "BD_BASE_INFO", 2 }, 35677e91848SHuazhong Tan { "PTYPE", 2 }, 35777e91848SHuazhong Tan { "HW_CSUM", 2 }, 35877e91848SHuazhong Tan }; 35977e91848SHuazhong Tan 36077e91848SHuazhong Tan static void hns3_dump_rx_bd_info(struct hns3_nic_priv *priv, 36177e91848SHuazhong Tan struct hns3_desc *desc, char **result, int idx) 362122bedc5Sliuzhongzhu { 36377e91848SHuazhong Tan unsigned int j = 0; 364122bedc5Sliuzhongzhu 36577e91848SHuazhong Tan sprintf(result[j++], "%5d", idx); 36677e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.l234_info)); 36777e91848SHuazhong Tan sprintf(result[j++], "%7u", le16_to_cpu(desc->rx.pkt_len)); 36877e91848SHuazhong Tan sprintf(result[j++], "%4u", le16_to_cpu(desc->rx.size)); 36977e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.rss_hash)); 37077e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->rx.fd_id)); 37177e91848SHuazhong Tan sprintf(result[j++], "%8u", le16_to_cpu(desc->rx.vlan_tag)); 37277e91848SHuazhong Tan sprintf(result[j++], "%15u", le16_to_cpu(desc->rx.o_dm_vlan_id_fb)); 37377e91848SHuazhong Tan sprintf(result[j++], "%11u", le16_to_cpu(desc->rx.ot_vlan_tag)); 37477e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.bd_base_info)); 37577e91848SHuazhong Tan if (test_bit(HNS3_NIC_STATE_RXD_ADV_LAYOUT_ENABLE, &priv->state)) { 37677e91848SHuazhong Tan u32 ol_info = le32_to_cpu(desc->rx.ol_info); 377122bedc5Sliuzhongzhu 37877e91848SHuazhong Tan sprintf(result[j++], "%5lu", hnae3_get_field(ol_info, 37977e91848SHuazhong Tan HNS3_RXD_PTYPE_M, 38077e91848SHuazhong Tan HNS3_RXD_PTYPE_S)); 38177e91848SHuazhong Tan sprintf(result[j++], "%7u", le16_to_cpu(desc->csum)); 382b1533adaSHuazhong Tan } else { 38377e91848SHuazhong Tan sprintf(result[j++], "NA"); 38477e91848SHuazhong Tan sprintf(result[j++], "NA"); 38577e91848SHuazhong Tan } 386b1533adaSHuazhong Tan } 387b1533adaSHuazhong Tan 38877e91848SHuazhong Tan static int hns3_dbg_rx_bd_info(struct hns3_dbg_data *d, char *buf, int len) 38977e91848SHuazhong Tan { 39077e91848SHuazhong Tan char data_str[ARRAY_SIZE(rx_bd_info_items)][HNS3_DBG_DATA_STR_LEN]; 39177e91848SHuazhong Tan struct hns3_nic_priv *priv = d->handle->priv; 39277e91848SHuazhong Tan char *result[ARRAY_SIZE(rx_bd_info_items)]; 39377e91848SHuazhong Tan char content[HNS3_DBG_INFO_LEN]; 39477e91848SHuazhong Tan struct hns3_enet_ring *ring; 39577e91848SHuazhong Tan struct hns3_desc *desc; 39677e91848SHuazhong Tan unsigned int i; 39777e91848SHuazhong Tan int pos = 0; 398122bedc5Sliuzhongzhu 39977e91848SHuazhong Tan if (d->qid >= d->handle->kinfo.num_tqps) { 40077e91848SHuazhong Tan dev_err(&d->handle->pdev->dev, 40177e91848SHuazhong Tan "queue%u is not in use\n", d->qid); 40277e91848SHuazhong Tan return -EINVAL; 40377e91848SHuazhong Tan } 404122bedc5Sliuzhongzhu 40577e91848SHuazhong Tan for (i = 0; i < ARRAY_SIZE(rx_bd_info_items); i++) 40677e91848SHuazhong Tan result[i] = &data_str[i][0]; 407b1533adaSHuazhong Tan 40877e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, 40977e91848SHuazhong Tan "Queue %u rx bd info:\n", d->qid); 41077e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), rx_bd_info_items, 41177e91848SHuazhong Tan NULL, ARRAY_SIZE(rx_bd_info_items)); 41277e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 41377e91848SHuazhong Tan 41477e91848SHuazhong Tan ring = &priv->ring[d->qid + d->handle->kinfo.num_tqps]; 41577e91848SHuazhong Tan for (i = 0; i < ring->desc_num; i++) { 41677e91848SHuazhong Tan desc = &ring->desc[i]; 41777e91848SHuazhong Tan 41877e91848SHuazhong Tan hns3_dump_rx_bd_info(priv, desc, result, i); 41977e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), 42077e91848SHuazhong Tan rx_bd_info_items, (const char **)result, 42177e91848SHuazhong Tan ARRAY_SIZE(rx_bd_info_items)); 42277e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 42377e91848SHuazhong Tan } 42477e91848SHuazhong Tan 42577e91848SHuazhong Tan return 0; 42677e91848SHuazhong Tan } 42777e91848SHuazhong Tan 42877e91848SHuazhong Tan static const struct hns3_dbg_item tx_bd_info_items[] = { 42977e91848SHuazhong Tan { "BD_IDX", 5 }, 43077e91848SHuazhong Tan { "ADDRESS", 2 }, 43177e91848SHuazhong Tan { "VLAN_TAG", 2 }, 43277e91848SHuazhong Tan { "SIZE", 2 }, 43377e91848SHuazhong Tan { "T_CS_VLAN_TSO", 2 }, 43477e91848SHuazhong Tan { "OT_VLAN_TAG", 3 }, 43577e91848SHuazhong Tan { "TV", 2 }, 43677e91848SHuazhong Tan { "OLT_VLAN_LEN", 2}, 43777e91848SHuazhong Tan { "PAYLEN_OL4CS", 2}, 43877e91848SHuazhong Tan { "BD_FE_SC_VLD", 2}, 43977e91848SHuazhong Tan { "MSS_HW_CSUM", 0}, 44077e91848SHuazhong Tan }; 44177e91848SHuazhong Tan 44277e91848SHuazhong Tan static void hns3_dump_tx_bd_info(struct hns3_nic_priv *priv, 44377e91848SHuazhong Tan struct hns3_desc *desc, char **result, int idx) 44477e91848SHuazhong Tan { 44577e91848SHuazhong Tan unsigned int j = 0; 44677e91848SHuazhong Tan 44777e91848SHuazhong Tan sprintf(result[j++], "%6d", idx); 44877e91848SHuazhong Tan sprintf(result[j++], "%#llx", le64_to_cpu(desc->addr)); 44977e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.vlan_tag)); 45077e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.send_size)); 45177e91848SHuazhong Tan sprintf(result[j++], "%#x", 45277e91848SHuazhong Tan le32_to_cpu(desc->tx.type_cs_vlan_tso_len)); 45377e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.outer_vlan_tag)); 45477e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.tv)); 45577e91848SHuazhong Tan sprintf(result[j++], "%10u", 45677e91848SHuazhong Tan le32_to_cpu(desc->tx.ol_type_vlan_len_msec)); 45777e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->tx.paylen_ol4cs)); 45877e91848SHuazhong Tan sprintf(result[j++], "%#x", le16_to_cpu(desc->tx.bdtp_fe_sc_vld_ra_ri)); 45977e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.mss_hw_csum)); 46077e91848SHuazhong Tan } 46177e91848SHuazhong Tan 46277e91848SHuazhong Tan static int hns3_dbg_tx_bd_info(struct hns3_dbg_data *d, char *buf, int len) 46377e91848SHuazhong Tan { 46477e91848SHuazhong Tan char data_str[ARRAY_SIZE(tx_bd_info_items)][HNS3_DBG_DATA_STR_LEN]; 46577e91848SHuazhong Tan struct hns3_nic_priv *priv = d->handle->priv; 46677e91848SHuazhong Tan char *result[ARRAY_SIZE(tx_bd_info_items)]; 46777e91848SHuazhong Tan char content[HNS3_DBG_INFO_LEN]; 46877e91848SHuazhong Tan struct hns3_enet_ring *ring; 46977e91848SHuazhong Tan struct hns3_desc *desc; 47077e91848SHuazhong Tan unsigned int i; 47177e91848SHuazhong Tan int pos = 0; 47277e91848SHuazhong Tan 47377e91848SHuazhong Tan if (d->qid >= d->handle->kinfo.num_tqps) { 47477e91848SHuazhong Tan dev_err(&d->handle->pdev->dev, 47577e91848SHuazhong Tan "queue%u is not in use\n", d->qid); 47677e91848SHuazhong Tan return -EINVAL; 47777e91848SHuazhong Tan } 47877e91848SHuazhong Tan 47977e91848SHuazhong Tan for (i = 0; i < ARRAY_SIZE(tx_bd_info_items); i++) 48077e91848SHuazhong Tan result[i] = &data_str[i][0]; 48177e91848SHuazhong Tan 48277e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, 48377e91848SHuazhong Tan "Queue %u tx bd info:\n", d->qid); 48477e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), tx_bd_info_items, 48577e91848SHuazhong Tan NULL, ARRAY_SIZE(tx_bd_info_items)); 48677e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 48777e91848SHuazhong Tan 48877e91848SHuazhong Tan ring = &priv->ring[d->qid]; 48977e91848SHuazhong Tan for (i = 0; i < ring->desc_num; i++) { 49077e91848SHuazhong Tan desc = &ring->desc[i]; 49177e91848SHuazhong Tan 49277e91848SHuazhong Tan hns3_dump_tx_bd_info(priv, desc, result, i); 49377e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), 49477e91848SHuazhong Tan tx_bd_info_items, (const char **)result, 49577e91848SHuazhong Tan ARRAY_SIZE(tx_bd_info_items)); 49677e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 49777e91848SHuazhong Tan } 498122bedc5Sliuzhongzhu 499122bedc5Sliuzhongzhu return 0; 500122bedc5Sliuzhongzhu } 501122bedc5Sliuzhongzhu 502b2292360Sliuzhongzhu static void hns3_dbg_help(struct hnae3_handle *h) 503b2292360Sliuzhongzhu { 50427cf979aSliuzhongzhu #define HNS3_DBG_BUF_LEN 256 50527cf979aSliuzhongzhu 50627cf979aSliuzhongzhu char printf_buf[HNS3_DBG_BUF_LEN]; 50727cf979aSliuzhongzhu 508b2292360Sliuzhongzhu dev_info(&h->pdev->dev, "available commands\n"); 509ed5b255bSYufeng Mo dev_info(&h->pdev->dev, "queue info <number>\n"); 5100c29d191Sliuzhongzhu dev_info(&h->pdev->dev, "queue map\n"); 51197afd47bSYufeng Mo 51297afd47bSYufeng Mo if (!hns3_is_phys_func(h->pdev)) 51397afd47bSYufeng Mo return; 51497afd47bSYufeng Mo 515b2292360Sliuzhongzhu dev_info(&h->pdev->dev, "dump fd tcam\n"); 5162849d4e7Sliuzhongzhu dev_info(&h->pdev->dev, "dump tc\n"); 517ed5b255bSYufeng Mo dev_info(&h->pdev->dev, "dump tm map <q_num>\n"); 51896227f4cSliuzhongzhu dev_info(&h->pdev->dev, "dump tm\n"); 519d958919dSliuzhongzhu dev_info(&h->pdev->dev, "dump qos pause cfg\n"); 5206fc22440Sliuzhongzhu dev_info(&h->pdev->dev, "dump qos pri map\n"); 5217d9d7f88Sliuzhongzhu dev_info(&h->pdev->dev, "dump qos buf cfg\n"); 522ffd140e2SWeihang Li dev_info(&h->pdev->dev, "dump ncl_config <offset> <length>(in hex)\n"); 523a6345787SWeihang Li dev_info(&h->pdev->dev, "dump mac tnl status\n"); 52489ec9485SYonglong Liu dev_info(&h->pdev->dev, "dump qs shaper [qs id]\n"); 52527cf979aSliuzhongzhu 52627cf979aSliuzhongzhu memset(printf_buf, 0, HNS3_DBG_BUF_LEN); 527ed5b255bSYufeng Mo strncat(printf_buf, "dump reg [[bios common] [ssu <port_id>]", 52827cf979aSliuzhongzhu HNS3_DBG_BUF_LEN - 1); 52927cf979aSliuzhongzhu strncat(printf_buf + strlen(printf_buf), 530ed5b255bSYufeng Mo " [igu egu <port_id>] [rpu <tc_queue_num>]", 53127cf979aSliuzhongzhu HNS3_DBG_BUF_LEN - strlen(printf_buf) - 1); 53227cf979aSliuzhongzhu strncat(printf_buf + strlen(printf_buf), 5335cb51cfeSYufeng Mo " [rtc] [ppp] [rcb] [tqp <queue_num>] [mac]]\n", 53427cf979aSliuzhongzhu HNS3_DBG_BUF_LEN - strlen(printf_buf) - 1); 53527cf979aSliuzhongzhu dev_info(&h->pdev->dev, "%s", printf_buf); 536c0ebebb9Sliuzhongzhu 537c0ebebb9Sliuzhongzhu memset(printf_buf, 0, HNS3_DBG_BUF_LEN); 538ed5b255bSYufeng Mo strncat(printf_buf, "dump reg dcb <port_id> <pri_id> <pg_id>", 539c0ebebb9Sliuzhongzhu HNS3_DBG_BUF_LEN - 1); 540ed5b255bSYufeng Mo strncat(printf_buf + strlen(printf_buf), " <rq_id> <nq_id> <qset_id>\n", 541c0ebebb9Sliuzhongzhu HNS3_DBG_BUF_LEN - strlen(printf_buf) - 1); 542c0ebebb9Sliuzhongzhu dev_info(&h->pdev->dev, "%s", printf_buf); 543b2292360Sliuzhongzhu } 544b2292360Sliuzhongzhu 545c929bc2aSJiaran Zhang static void 546c929bc2aSJiaran Zhang hns3_dbg_dev_caps(struct hnae3_handle *h, char *buf, int len, int *pos) 5479484e337SGuangbin Huang { 5489484e337SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 549c929bc2aSJiaran Zhang static const char * const str[] = {"no", "yes"}; 550c929bc2aSJiaran Zhang unsigned long *caps = ae_dev->caps; 551c929bc2aSJiaran Zhang u32 i, state; 5529484e337SGuangbin Huang 553c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "dev capability:\n"); 5549484e337SGuangbin Huang 555c929bc2aSJiaran Zhang for (i = 0; i < ARRAY_SIZE(hns3_dbg_cap); i++) { 556c929bc2aSJiaran Zhang state = test_bit(hns3_dbg_cap[i].cap_bit, caps); 557c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "%s: %s\n", 558c929bc2aSJiaran Zhang hns3_dbg_cap[i].name, str[state]); 5599484e337SGuangbin Huang } 5609484e337SGuangbin Huang 561c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "\n"); 562c929bc2aSJiaran Zhang } 563c929bc2aSJiaran Zhang 564c929bc2aSJiaran Zhang static void 565c929bc2aSJiaran Zhang hns3_dbg_dev_specs(struct hnae3_handle *h, char *buf, int len, int *pos) 566b4442ec5SGuangbin Huang { 567b4442ec5SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 568b4442ec5SGuangbin Huang struct hnae3_dev_specs *dev_specs = &ae_dev->dev_specs; 569b4442ec5SGuangbin Huang struct hnae3_knic_private_info *kinfo = &h->kinfo; 570b4442ec5SGuangbin Huang 571c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "dev_spec:\n"); 572c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAC entry num: %u\n", 573c929bc2aSJiaran Zhang dev_specs->mac_entry_num); 574c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MNG entry num: %u\n", 575c929bc2aSJiaran Zhang dev_specs->mng_entry_num); 576c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX non tso bd num: %u\n", 577b4442ec5SGuangbin Huang dev_specs->max_non_tso_bd_num); 578c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RSS ind tbl size: %u\n", 579b4442ec5SGuangbin Huang dev_specs->rss_ind_tbl_size); 580c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RSS key size: %u\n", 581c929bc2aSJiaran Zhang dev_specs->rss_key_size); 582c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RSS size: %u\n", 583c929bc2aSJiaran Zhang kinfo->rss_size); 584c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "Allocated RSS size: %u\n", 585c929bc2aSJiaran Zhang kinfo->req_rss_size); 586c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, 587c929bc2aSJiaran Zhang "Task queue pairs numbers: %u\n", 588c929bc2aSJiaran Zhang kinfo->num_tqps); 589c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RX buffer length: %u\n", 590c929bc2aSJiaran Zhang kinfo->rx_buf_len); 591c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "Desc num per TX queue: %u\n", 592c929bc2aSJiaran Zhang kinfo->num_tx_desc); 593c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "Desc num per RX queue: %u\n", 594c929bc2aSJiaran Zhang kinfo->num_rx_desc); 595c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, 596c929bc2aSJiaran Zhang "Total number of enabled TCs: %u\n", 59735244430SJian Shen kinfo->tc_info.num_tc); 598c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX INT QL: %u\n", 599c929bc2aSJiaran Zhang dev_specs->int_ql_max); 600c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX INT GL: %u\n", 601c929bc2aSJiaran Zhang dev_specs->max_int_gl); 602c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX TM RATE: %u\n", 603c929bc2aSJiaran Zhang dev_specs->max_tm_rate); 604c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX QSET number: %u\n", 605c929bc2aSJiaran Zhang dev_specs->max_qset_num); 606c929bc2aSJiaran Zhang } 607c929bc2aSJiaran Zhang 608c929bc2aSJiaran Zhang static int hns3_dbg_dev_info(struct hnae3_handle *h, char *buf, int len) 609c929bc2aSJiaran Zhang { 610c929bc2aSJiaran Zhang int pos = 0; 611c929bc2aSJiaran Zhang 612c929bc2aSJiaran Zhang hns3_dbg_dev_caps(h, buf, len, &pos); 613c929bc2aSJiaran Zhang 614c929bc2aSJiaran Zhang hns3_dbg_dev_specs(h, buf, len, &pos); 615c929bc2aSJiaran Zhang 616c929bc2aSJiaran Zhang return 0; 617b4442ec5SGuangbin Huang } 618b4442ec5SGuangbin Huang 619b2292360Sliuzhongzhu static ssize_t hns3_dbg_cmd_read(struct file *filp, char __user *buffer, 620b2292360Sliuzhongzhu size_t count, loff_t *ppos) 621b2292360Sliuzhongzhu { 622b2292360Sliuzhongzhu int uncopy_bytes; 623b2292360Sliuzhongzhu char *buf; 624b2292360Sliuzhongzhu int len; 625b2292360Sliuzhongzhu 626b2292360Sliuzhongzhu if (*ppos != 0) 627b2292360Sliuzhongzhu return 0; 628b2292360Sliuzhongzhu 629b2292360Sliuzhongzhu if (count < HNS3_DBG_READ_LEN) 630b2292360Sliuzhongzhu return -ENOSPC; 631b2292360Sliuzhongzhu 632b2292360Sliuzhongzhu buf = kzalloc(HNS3_DBG_READ_LEN, GFP_KERNEL); 633b2292360Sliuzhongzhu if (!buf) 634b2292360Sliuzhongzhu return -ENOMEM; 635b2292360Sliuzhongzhu 63649e211c0SChen Zhou len = scnprintf(buf, HNS3_DBG_READ_LEN, "%s\n", 637b2292360Sliuzhongzhu "Please echo help to cmd to get help information"); 638b2292360Sliuzhongzhu uncopy_bytes = copy_to_user(buffer, buf, len); 639b2292360Sliuzhongzhu 640b2292360Sliuzhongzhu kfree(buf); 641b2292360Sliuzhongzhu 642b2292360Sliuzhongzhu if (uncopy_bytes) 643b2292360Sliuzhongzhu return -EFAULT; 644b2292360Sliuzhongzhu 645b2292360Sliuzhongzhu return (*ppos = len); 646b2292360Sliuzhongzhu } 647b2292360Sliuzhongzhu 648c318af3fSPeng Li static int hns3_dbg_check_cmd(struct hnae3_handle *handle, char *cmd_buf) 649c318af3fSPeng Li { 650c318af3fSPeng Li int ret = 0; 651c318af3fSPeng Li 652c318af3fSPeng Li if (strncmp(cmd_buf, "help", 4) == 0) 653c318af3fSPeng Li hns3_dbg_help(handle); 654c318af3fSPeng Li else if (strncmp(cmd_buf, "queue info", 10) == 0) 655c318af3fSPeng Li ret = hns3_dbg_queue_info(handle, cmd_buf); 656c318af3fSPeng Li else if (strncmp(cmd_buf, "queue map", 9) == 0) 657c318af3fSPeng Li ret = hns3_dbg_queue_map(handle); 658c318af3fSPeng Li else if (handle->ae_algo->ops->dbg_run_cmd) 659c318af3fSPeng Li ret = handle->ae_algo->ops->dbg_run_cmd(handle, cmd_buf); 660c318af3fSPeng Li else 661c318af3fSPeng Li ret = -EOPNOTSUPP; 662c318af3fSPeng Li 663c318af3fSPeng Li return ret; 664c318af3fSPeng Li } 665c318af3fSPeng Li 666b2292360Sliuzhongzhu static ssize_t hns3_dbg_cmd_write(struct file *filp, const char __user *buffer, 667b2292360Sliuzhongzhu size_t count, loff_t *ppos) 668b2292360Sliuzhongzhu { 669b2292360Sliuzhongzhu struct hnae3_handle *handle = filp->private_data; 67057ceee2cSliuzhongzhu struct hns3_nic_priv *priv = handle->priv; 671b2292360Sliuzhongzhu char *cmd_buf, *cmd_buf_tmp; 672b2292360Sliuzhongzhu int uncopied_bytes; 673c318af3fSPeng Li int ret; 674b2292360Sliuzhongzhu 675b2292360Sliuzhongzhu if (*ppos != 0) 676b2292360Sliuzhongzhu return 0; 677b2292360Sliuzhongzhu 67857ceee2cSliuzhongzhu /* Judge if the instance is being reset. */ 6797737f1fbSliuzhongzhu if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 68057ceee2cSliuzhongzhu test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) 68157ceee2cSliuzhongzhu return 0; 68257ceee2cSliuzhongzhu 6837ac243f9SYufeng Mo if (count > HNS3_DBG_WRITE_LEN) 6847ac243f9SYufeng Mo return -ENOSPC; 6857ac243f9SYufeng Mo 686b2292360Sliuzhongzhu cmd_buf = kzalloc(count + 1, GFP_KERNEL); 687b2292360Sliuzhongzhu if (!cmd_buf) 688b2292360Sliuzhongzhu return count; 689b2292360Sliuzhongzhu 690b2292360Sliuzhongzhu uncopied_bytes = copy_from_user(cmd_buf, buffer, count); 691b2292360Sliuzhongzhu if (uncopied_bytes) { 692b2292360Sliuzhongzhu kfree(cmd_buf); 693b2292360Sliuzhongzhu return -EFAULT; 694b2292360Sliuzhongzhu } 695b2292360Sliuzhongzhu 696b2292360Sliuzhongzhu cmd_buf[count] = '\0'; 697b2292360Sliuzhongzhu 698b2292360Sliuzhongzhu cmd_buf_tmp = strchr(cmd_buf, '\n'); 699b2292360Sliuzhongzhu if (cmd_buf_tmp) { 700b2292360Sliuzhongzhu *cmd_buf_tmp = '\0'; 701b2292360Sliuzhongzhu count = cmd_buf_tmp - cmd_buf + 1; 702b2292360Sliuzhongzhu } 703b2292360Sliuzhongzhu 704c318af3fSPeng Li ret = hns3_dbg_check_cmd(handle, cmd_buf); 705b2292360Sliuzhongzhu if (ret) 706b2292360Sliuzhongzhu hns3_dbg_help(handle); 707b2292360Sliuzhongzhu 708b2292360Sliuzhongzhu kfree(cmd_buf); 709b2292360Sliuzhongzhu cmd_buf = NULL; 710b2292360Sliuzhongzhu 711b2292360Sliuzhongzhu return count; 712b2292360Sliuzhongzhu } 713b2292360Sliuzhongzhu 7145e69ea7eSYufeng Mo static int hns3_dbg_get_cmd_index(struct hnae3_handle *handle, 7155e69ea7eSYufeng Mo const unsigned char *name, u32 *index) 7165e69ea7eSYufeng Mo { 7175e69ea7eSYufeng Mo u32 i; 7185e69ea7eSYufeng Mo 7195e69ea7eSYufeng Mo for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) { 7205e69ea7eSYufeng Mo if (!strncmp(name, hns3_dbg_cmd[i].name, 7215e69ea7eSYufeng Mo strlen(hns3_dbg_cmd[i].name))) { 7225e69ea7eSYufeng Mo *index = i; 7235e69ea7eSYufeng Mo return 0; 7245e69ea7eSYufeng Mo } 7255e69ea7eSYufeng Mo } 7265e69ea7eSYufeng Mo 7275e69ea7eSYufeng Mo dev_err(&handle->pdev->dev, "unknown command(%s)\n", name); 7285e69ea7eSYufeng Mo return -EINVAL; 7295e69ea7eSYufeng Mo } 7305e69ea7eSYufeng Mo 731c929bc2aSJiaran Zhang static const struct hns3_dbg_func hns3_dbg_cmd_func[] = { 732c929bc2aSJiaran Zhang { 733c929bc2aSJiaran Zhang .cmd = HNAE3_DBG_CMD_DEV_INFO, 734c929bc2aSJiaran Zhang .dbg_dump = hns3_dbg_dev_info, 735c929bc2aSJiaran Zhang }, 73677e91848SHuazhong Tan { 73777e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_TX_BD, 73877e91848SHuazhong Tan .dbg_dump_bd = hns3_dbg_tx_bd_info, 73977e91848SHuazhong Tan }, 74077e91848SHuazhong Tan { 74177e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_RX_BD, 74277e91848SHuazhong Tan .dbg_dump_bd = hns3_dbg_rx_bd_info, 74377e91848SHuazhong Tan }, 744c929bc2aSJiaran Zhang }; 745c929bc2aSJiaran Zhang 74677e91848SHuazhong Tan static int hns3_dbg_read_cmd(struct hns3_dbg_data *dbg_data, 7475e69ea7eSYufeng Mo enum hnae3_dbg_cmd cmd, char *buf, int len) 7485e69ea7eSYufeng Mo { 74977e91848SHuazhong Tan const struct hnae3_ae_ops *ops = dbg_data->handle->ae_algo->ops; 75077e91848SHuazhong Tan const struct hns3_dbg_func *cmd_func; 751c929bc2aSJiaran Zhang u32 i; 752c929bc2aSJiaran Zhang 753c929bc2aSJiaran Zhang for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd_func); i++) { 75477e91848SHuazhong Tan if (cmd == hns3_dbg_cmd_func[i].cmd) { 75577e91848SHuazhong Tan cmd_func = &hns3_dbg_cmd_func[i]; 75677e91848SHuazhong Tan if (cmd_func->dbg_dump) 75777e91848SHuazhong Tan return cmd_func->dbg_dump(dbg_data->handle, buf, 75877e91848SHuazhong Tan len); 75977e91848SHuazhong Tan else 76077e91848SHuazhong Tan return cmd_func->dbg_dump_bd(dbg_data, buf, 76177e91848SHuazhong Tan len); 76277e91848SHuazhong Tan } 763c929bc2aSJiaran Zhang } 7645e69ea7eSYufeng Mo 7655e69ea7eSYufeng Mo if (!ops->dbg_read_cmd) 7665e69ea7eSYufeng Mo return -EOPNOTSUPP; 7675e69ea7eSYufeng Mo 76877e91848SHuazhong Tan return ops->dbg_read_cmd(dbg_data->handle, cmd, buf, len); 7695e69ea7eSYufeng Mo } 7705e69ea7eSYufeng Mo 77104987ca1SGuangbin Huang static ssize_t hns3_dbg_read(struct file *filp, char __user *buffer, 77204987ca1SGuangbin Huang size_t count, loff_t *ppos) 77304987ca1SGuangbin Huang { 77477e91848SHuazhong Tan struct hns3_dbg_data *dbg_data = filp->private_data; 77577e91848SHuazhong Tan struct hnae3_handle *handle = dbg_data->handle; 77604987ca1SGuangbin Huang struct hns3_nic_priv *priv = handle->priv; 77704987ca1SGuangbin Huang ssize_t size = 0; 7785e69ea7eSYufeng Mo char **save_buf; 7795e69ea7eSYufeng Mo char *read_buf; 7805e69ea7eSYufeng Mo u32 index; 7815e69ea7eSYufeng Mo int ret; 78204987ca1SGuangbin Huang 7835e69ea7eSYufeng Mo ret = hns3_dbg_get_cmd_index(handle, filp->f_path.dentry->d_iname, 7845e69ea7eSYufeng Mo &index); 7855e69ea7eSYufeng Mo if (ret) 7865e69ea7eSYufeng Mo return ret; 7875e69ea7eSYufeng Mo 7885e69ea7eSYufeng Mo save_buf = &hns3_dbg_cmd[index].buf; 7895e69ea7eSYufeng Mo 7905e69ea7eSYufeng Mo if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 7915e69ea7eSYufeng Mo test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) { 7925e69ea7eSYufeng Mo ret = -EBUSY; 7935e69ea7eSYufeng Mo goto out; 7945e69ea7eSYufeng Mo } 7955e69ea7eSYufeng Mo 7965e69ea7eSYufeng Mo if (*save_buf) { 7975e69ea7eSYufeng Mo read_buf = *save_buf; 7985e69ea7eSYufeng Mo } else { 7995e69ea7eSYufeng Mo read_buf = kvzalloc(hns3_dbg_cmd[index].buf_len, GFP_KERNEL); 80004987ca1SGuangbin Huang if (!read_buf) 80104987ca1SGuangbin Huang return -ENOMEM; 80204987ca1SGuangbin Huang 8035e69ea7eSYufeng Mo /* save the buffer addr until the last read operation */ 8045e69ea7eSYufeng Mo *save_buf = read_buf; 8055e69ea7eSYufeng Mo } 80604987ca1SGuangbin Huang 8075e69ea7eSYufeng Mo /* get data ready for the first time to read */ 8085e69ea7eSYufeng Mo if (!*ppos) { 80977e91848SHuazhong Tan ret = hns3_dbg_read_cmd(dbg_data, hns3_dbg_cmd[index].cmd, 8105e69ea7eSYufeng Mo read_buf, hns3_dbg_cmd[index].buf_len); 8115e69ea7eSYufeng Mo if (ret) 81204987ca1SGuangbin Huang goto out; 81304987ca1SGuangbin Huang } 81404987ca1SGuangbin Huang 81504987ca1SGuangbin Huang size = simple_read_from_buffer(buffer, count, ppos, read_buf, 81604987ca1SGuangbin Huang strlen(read_buf)); 8175e69ea7eSYufeng Mo if (size > 0) 8185e69ea7eSYufeng Mo return size; 81904987ca1SGuangbin Huang 82004987ca1SGuangbin Huang out: 8215e69ea7eSYufeng Mo /* free the buffer for the last read operation */ 8225e69ea7eSYufeng Mo if (*save_buf) { 8235e69ea7eSYufeng Mo kvfree(*save_buf); 8245e69ea7eSYufeng Mo *save_buf = NULL; 8255e69ea7eSYufeng Mo } 8265e69ea7eSYufeng Mo 8275e69ea7eSYufeng Mo return ret; 82804987ca1SGuangbin Huang } 82904987ca1SGuangbin Huang 830b2292360Sliuzhongzhu static const struct file_operations hns3_dbg_cmd_fops = { 831b2292360Sliuzhongzhu .owner = THIS_MODULE, 832b2292360Sliuzhongzhu .open = simple_open, 833b2292360Sliuzhongzhu .read = hns3_dbg_cmd_read, 834b2292360Sliuzhongzhu .write = hns3_dbg_cmd_write, 835b2292360Sliuzhongzhu }; 836b2292360Sliuzhongzhu 83704987ca1SGuangbin Huang static const struct file_operations hns3_dbg_fops = { 83804987ca1SGuangbin Huang .owner = THIS_MODULE, 83904987ca1SGuangbin Huang .open = simple_open, 84004987ca1SGuangbin Huang .read = hns3_dbg_read, 84104987ca1SGuangbin Huang }; 84204987ca1SGuangbin Huang 84377e91848SHuazhong Tan static int hns3_dbg_bd_file_init(struct hnae3_handle *handle, u32 cmd) 84477e91848SHuazhong Tan { 84577e91848SHuazhong Tan struct dentry *entry_dir; 84677e91848SHuazhong Tan struct hns3_dbg_data *data; 84777e91848SHuazhong Tan u16 max_queue_num; 84877e91848SHuazhong Tan unsigned int i; 84977e91848SHuazhong Tan 85077e91848SHuazhong Tan entry_dir = hns3_dbg_dentry[hns3_dbg_cmd[cmd].dentry].dentry; 85177e91848SHuazhong Tan max_queue_num = hns3_get_max_available_channels(handle); 85277e91848SHuazhong Tan data = devm_kzalloc(&handle->pdev->dev, max_queue_num * sizeof(*data), 85377e91848SHuazhong Tan GFP_KERNEL); 85477e91848SHuazhong Tan if (!data) 85577e91848SHuazhong Tan return -ENOMEM; 85677e91848SHuazhong Tan 85777e91848SHuazhong Tan for (i = 0; i < max_queue_num; i++) { 85877e91848SHuazhong Tan char name[HNS3_DBG_FILE_NAME_LEN]; 85977e91848SHuazhong Tan 86077e91848SHuazhong Tan data[i].handle = handle; 86177e91848SHuazhong Tan data[i].qid = i; 86277e91848SHuazhong Tan sprintf(name, "%s%u", hns3_dbg_cmd[cmd].name, i); 86377e91848SHuazhong Tan debugfs_create_file(name, 0400, entry_dir, &data[i], 86477e91848SHuazhong Tan &hns3_dbg_fops); 86577e91848SHuazhong Tan } 86677e91848SHuazhong Tan 86777e91848SHuazhong Tan return 0; 86877e91848SHuazhong Tan } 86977e91848SHuazhong Tan 8705e69ea7eSYufeng Mo static int 8715e69ea7eSYufeng Mo hns3_dbg_common_file_init(struct hnae3_handle *handle, u32 cmd) 8725e69ea7eSYufeng Mo { 87377e91848SHuazhong Tan struct hns3_dbg_data *data; 8745e69ea7eSYufeng Mo struct dentry *entry_dir; 8755e69ea7eSYufeng Mo 87677e91848SHuazhong Tan data = devm_kzalloc(&handle->pdev->dev, sizeof(*data), GFP_KERNEL); 87777e91848SHuazhong Tan if (!data) 87877e91848SHuazhong Tan return -ENOMEM; 87977e91848SHuazhong Tan 88077e91848SHuazhong Tan data->handle = handle; 8815e69ea7eSYufeng Mo entry_dir = hns3_dbg_dentry[hns3_dbg_cmd[cmd].dentry].dentry; 8825e69ea7eSYufeng Mo debugfs_create_file(hns3_dbg_cmd[cmd].name, 0400, entry_dir, 88377e91848SHuazhong Tan data, &hns3_dbg_fops); 8845e69ea7eSYufeng Mo 8855e69ea7eSYufeng Mo return 0; 8865e69ea7eSYufeng Mo } 8875e69ea7eSYufeng Mo 8885e69ea7eSYufeng Mo int hns3_dbg_init(struct hnae3_handle *handle) 889b2292360Sliuzhongzhu { 89004987ca1SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 891b2292360Sliuzhongzhu const char *name = pci_name(handle->pdev); 8925e69ea7eSYufeng Mo int ret; 8935e69ea7eSYufeng Mo u32 i; 894b2292360Sliuzhongzhu 8955e69ea7eSYufeng Mo hns3_dbg_dentry[HNS3_DBG_DENTRY_COMMON].dentry = 8965e69ea7eSYufeng Mo debugfs_create_dir(name, hns3_dbgfs_root); 8975e69ea7eSYufeng Mo handle->hnae3_dbgfs = hns3_dbg_dentry[HNS3_DBG_DENTRY_COMMON].dentry; 898b2292360Sliuzhongzhu 89911ab11e6SGreg Kroah-Hartman debugfs_create_file("cmd", 0600, handle->hnae3_dbgfs, handle, 900b2292360Sliuzhongzhu &hns3_dbg_cmd_fops); 90104987ca1SGuangbin Huang 9025e69ea7eSYufeng Mo for (i = 0; i < HNS3_DBG_DENTRY_COMMON; i++) 9035e69ea7eSYufeng Mo hns3_dbg_dentry[i].dentry = 9045e69ea7eSYufeng Mo debugfs_create_dir(hns3_dbg_dentry[i].name, 9055e69ea7eSYufeng Mo handle->hnae3_dbgfs); 9065e69ea7eSYufeng Mo 9075e69ea7eSYufeng Mo for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) { 9085e69ea7eSYufeng Mo if (hns3_dbg_cmd[i].cmd == HNAE3_DBG_CMD_TM_NODES && 9095e69ea7eSYufeng Mo ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2) 9105e69ea7eSYufeng Mo continue; 9115e69ea7eSYufeng Mo 9125e69ea7eSYufeng Mo if (!hns3_dbg_cmd[i].init) { 9135e69ea7eSYufeng Mo dev_err(&handle->pdev->dev, 9145e69ea7eSYufeng Mo "cmd %s lack of init func\n", 9155e69ea7eSYufeng Mo hns3_dbg_cmd[i].name); 9165e69ea7eSYufeng Mo ret = -EINVAL; 9175e69ea7eSYufeng Mo goto out; 9185e69ea7eSYufeng Mo } 9195e69ea7eSYufeng Mo 9205e69ea7eSYufeng Mo ret = hns3_dbg_cmd[i].init(handle, i); 9215e69ea7eSYufeng Mo if (ret) { 9225e69ea7eSYufeng Mo dev_err(&handle->pdev->dev, "failed to init cmd %s\n", 9235e69ea7eSYufeng Mo hns3_dbg_cmd[i].name); 9245e69ea7eSYufeng Mo goto out; 9255e69ea7eSYufeng Mo } 9265e69ea7eSYufeng Mo } 9275e69ea7eSYufeng Mo 9285e69ea7eSYufeng Mo return 0; 9295e69ea7eSYufeng Mo 9305e69ea7eSYufeng Mo out: 9315e69ea7eSYufeng Mo debugfs_remove_recursive(handle->hnae3_dbgfs); 9325e69ea7eSYufeng Mo handle->hnae3_dbgfs = NULL; 9335e69ea7eSYufeng Mo return ret; 934b2292360Sliuzhongzhu } 935b2292360Sliuzhongzhu 936b2292360Sliuzhongzhu void hns3_dbg_uninit(struct hnae3_handle *handle) 937b2292360Sliuzhongzhu { 9385e69ea7eSYufeng Mo u32 i; 9395e69ea7eSYufeng Mo 9405e69ea7eSYufeng Mo for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) 9415e69ea7eSYufeng Mo if (hns3_dbg_cmd[i].buf) { 9425e69ea7eSYufeng Mo kvfree(hns3_dbg_cmd[i].buf); 9435e69ea7eSYufeng Mo hns3_dbg_cmd[i].buf = NULL; 9445e69ea7eSYufeng Mo } 9455e69ea7eSYufeng Mo 946b2292360Sliuzhongzhu debugfs_remove_recursive(handle->hnae3_dbgfs); 947b2292360Sliuzhongzhu handle->hnae3_dbgfs = NULL; 948b2292360Sliuzhongzhu } 949b2292360Sliuzhongzhu 950b2292360Sliuzhongzhu void hns3_dbg_register_debugfs(const char *debugfs_dir_name) 951b2292360Sliuzhongzhu { 952b2292360Sliuzhongzhu hns3_dbgfs_root = debugfs_create_dir(debugfs_dir_name, NULL); 953b2292360Sliuzhongzhu } 954b2292360Sliuzhongzhu 955b2292360Sliuzhongzhu void hns3_dbg_unregister_debugfs(void) 956b2292360Sliuzhongzhu { 957b2292360Sliuzhongzhu debugfs_remove_recursive(hns3_dbgfs_root); 958b2292360Sliuzhongzhu hns3_dbgfs_root = NULL; 959b2292360Sliuzhongzhu } 960