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" 8b2292360Sliuzhongzhu #include "hns3_enet.h" 9b2292360Sliuzhongzhu 1004987ca1SGuangbin Huang #define HNS3_DBG_READ_LEN 65536 117ac243f9SYufeng Mo #define HNS3_DBG_WRITE_LEN 1024 12b2292360Sliuzhongzhu 13b2292360Sliuzhongzhu static struct dentry *hns3_dbgfs_root; 14b2292360Sliuzhongzhu 15ebaf1908SWeihang Li static int hns3_dbg_queue_info(struct hnae3_handle *h, 16ebaf1908SWeihang Li const char *cmd_buf) 1757ceee2cSliuzhongzhu { 18dbaae5bbSGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 1957ceee2cSliuzhongzhu struct hns3_nic_priv *priv = h->priv; 2057ceee2cSliuzhongzhu struct hns3_enet_ring *ring; 2157ceee2cSliuzhongzhu u32 base_add_l, base_add_h; 2257ceee2cSliuzhongzhu u32 queue_num, queue_max; 239d8d5a36SYufeng Mo u32 value, i; 2457ceee2cSliuzhongzhu int cnt; 2557ceee2cSliuzhongzhu 265f06b903SYunsheng Lin if (!priv->ring) { 275f06b903SYunsheng Lin dev_err(&h->pdev->dev, "priv->ring is NULL\n"); 2857ceee2cSliuzhongzhu return -EFAULT; 2957ceee2cSliuzhongzhu } 3057ceee2cSliuzhongzhu 3157ceee2cSliuzhongzhu queue_max = h->kinfo.num_tqps; 3257ceee2cSliuzhongzhu cnt = kstrtouint(&cmd_buf[11], 0, &queue_num); 3357ceee2cSliuzhongzhu if (cnt) 3457ceee2cSliuzhongzhu queue_num = 0; 3557ceee2cSliuzhongzhu else 3657ceee2cSliuzhongzhu queue_max = queue_num + 1; 3757ceee2cSliuzhongzhu 3857ceee2cSliuzhongzhu dev_info(&h->pdev->dev, "queue info\n"); 3957ceee2cSliuzhongzhu 4057ceee2cSliuzhongzhu if (queue_num >= h->kinfo.num_tqps) { 4157ceee2cSliuzhongzhu dev_err(&h->pdev->dev, 42ed5b255bSYufeng Mo "Queue number(%u) is out of range(0-%u)\n", queue_num, 4357ceee2cSliuzhongzhu h->kinfo.num_tqps - 1); 4457ceee2cSliuzhongzhu return -EINVAL; 4557ceee2cSliuzhongzhu } 4657ceee2cSliuzhongzhu 4757ceee2cSliuzhongzhu for (i = queue_num; i < queue_max; i++) { 4857ceee2cSliuzhongzhu /* Each cycle needs to determine whether the instance is reset, 4957ceee2cSliuzhongzhu * to prevent reference to invalid memory. And need to ensure 5057ceee2cSliuzhongzhu * that the following code is executed within 100ms. 5157ceee2cSliuzhongzhu */ 527737f1fbSliuzhongzhu if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 5357ceee2cSliuzhongzhu test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) 5457ceee2cSliuzhongzhu return -EPERM; 5557ceee2cSliuzhongzhu 565f06b903SYunsheng Lin ring = &priv->ring[(u32)(i + h->kinfo.num_tqps)]; 5757ceee2cSliuzhongzhu base_add_h = readl_relaxed(ring->tqp->io_base + 5857ceee2cSliuzhongzhu HNS3_RING_RX_RING_BASEADDR_H_REG); 5957ceee2cSliuzhongzhu base_add_l = readl_relaxed(ring->tqp->io_base + 6057ceee2cSliuzhongzhu HNS3_RING_RX_RING_BASEADDR_L_REG); 61adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) BASE ADD: 0x%08x%08x\n", i, 6257ceee2cSliuzhongzhu base_add_h, base_add_l); 6357ceee2cSliuzhongzhu 6457ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 6557ceee2cSliuzhongzhu HNS3_RING_RX_RING_BD_NUM_REG); 66adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING BD NUM: %u\n", i, value); 6757ceee2cSliuzhongzhu 6857ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 6957ceee2cSliuzhongzhu HNS3_RING_RX_RING_BD_LEN_REG); 70adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING BD LEN: %u\n", i, value); 7157ceee2cSliuzhongzhu 7257ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 7357ceee2cSliuzhongzhu HNS3_RING_RX_RING_TAIL_REG); 74adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING TAIL: %u\n", i, value); 7557ceee2cSliuzhongzhu 7657ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 7757ceee2cSliuzhongzhu HNS3_RING_RX_RING_HEAD_REG); 78adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING HEAD: %u\n", i, value); 7957ceee2cSliuzhongzhu 8057ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 8157ceee2cSliuzhongzhu HNS3_RING_RX_RING_FBDNUM_REG); 82adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING FBDNUM: %u\n", i, value); 8357ceee2cSliuzhongzhu 8457ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 8557ceee2cSliuzhongzhu HNS3_RING_RX_RING_PKTNUM_RECORD_REG); 86adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING PKTNUM: %u\n", i, value); 8757ceee2cSliuzhongzhu 885f06b903SYunsheng Lin ring = &priv->ring[i]; 8957ceee2cSliuzhongzhu base_add_h = readl_relaxed(ring->tqp->io_base + 9057ceee2cSliuzhongzhu HNS3_RING_TX_RING_BASEADDR_H_REG); 9157ceee2cSliuzhongzhu base_add_l = readl_relaxed(ring->tqp->io_base + 9257ceee2cSliuzhongzhu HNS3_RING_TX_RING_BASEADDR_L_REG); 93adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) BASE ADD: 0x%08x%08x\n", i, 9457ceee2cSliuzhongzhu base_add_h, base_add_l); 9557ceee2cSliuzhongzhu 9657ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 9757ceee2cSliuzhongzhu HNS3_RING_TX_RING_BD_NUM_REG); 98adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING BD NUM: %u\n", i, value); 9957ceee2cSliuzhongzhu 10057ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 10157ceee2cSliuzhongzhu HNS3_RING_TX_RING_TC_REG); 102adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING TC: %u\n", i, value); 10357ceee2cSliuzhongzhu 10457ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 10557ceee2cSliuzhongzhu HNS3_RING_TX_RING_TAIL_REG); 106adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING TAIL: %u\n", i, value); 10757ceee2cSliuzhongzhu 10857ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 10957ceee2cSliuzhongzhu HNS3_RING_TX_RING_HEAD_REG); 110adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING HEAD: %u\n", i, value); 11157ceee2cSliuzhongzhu 11257ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 11357ceee2cSliuzhongzhu HNS3_RING_TX_RING_FBDNUM_REG); 114adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING FBDNUM: %u\n", i, value); 11557ceee2cSliuzhongzhu 11657ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 11757ceee2cSliuzhongzhu HNS3_RING_TX_RING_OFFSET_REG); 118adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING OFFSET: %u\n", i, value); 11957ceee2cSliuzhongzhu 12057ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 12157ceee2cSliuzhongzhu HNS3_RING_TX_RING_PKTNUM_RECORD_REG); 122dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "TX(%u) RING PKTNUM: %u\n", i, value); 123dbaae5bbSGuangbin Huang 124dbaae5bbSGuangbin Huang value = readl_relaxed(ring->tqp->io_base + HNS3_RING_EN_REG); 125dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "TX/RX(%u) RING EN: %s\n", i, 126dbaae5bbSGuangbin Huang value ? "enable" : "disable"); 127dbaae5bbSGuangbin Huang 128dbaae5bbSGuangbin Huang if (hnae3_ae_dev_tqp_txrx_indep_supported(ae_dev)) { 129dbaae5bbSGuangbin Huang value = readl_relaxed(ring->tqp->io_base + 130dbaae5bbSGuangbin Huang HNS3_RING_TX_EN_REG); 131dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "TX(%u) RING EN: %s\n", i, 132dbaae5bbSGuangbin Huang value ? "enable" : "disable"); 133dbaae5bbSGuangbin Huang 134dbaae5bbSGuangbin Huang value = readl_relaxed(ring->tqp->io_base + 135dbaae5bbSGuangbin Huang HNS3_RING_RX_EN_REG); 136dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "RX(%u) RING EN: %s\n", i, 137dbaae5bbSGuangbin Huang value ? "enable" : "disable"); 138dbaae5bbSGuangbin Huang } 139dbaae5bbSGuangbin Huang 140dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "\n"); 14157ceee2cSliuzhongzhu } 14257ceee2cSliuzhongzhu 14357ceee2cSliuzhongzhu return 0; 14457ceee2cSliuzhongzhu } 14557ceee2cSliuzhongzhu 1460c29d191Sliuzhongzhu static int hns3_dbg_queue_map(struct hnae3_handle *h) 1470c29d191Sliuzhongzhu { 1480c29d191Sliuzhongzhu struct hns3_nic_priv *priv = h->priv; 1490c29d191Sliuzhongzhu int i; 1500c29d191Sliuzhongzhu 1510c29d191Sliuzhongzhu if (!h->ae_algo->ops->get_global_queue_id) 1520c29d191Sliuzhongzhu return -EOPNOTSUPP; 1530c29d191Sliuzhongzhu 1540c29d191Sliuzhongzhu dev_info(&h->pdev->dev, "map info for queue id and vector id\n"); 1550c29d191Sliuzhongzhu dev_info(&h->pdev->dev, 1560c29d191Sliuzhongzhu "local queue id | global queue id | vector id\n"); 1570c29d191Sliuzhongzhu for (i = 0; i < h->kinfo.num_tqps; i++) { 1580c29d191Sliuzhongzhu u16 global_qid; 1590c29d191Sliuzhongzhu 1600c29d191Sliuzhongzhu global_qid = h->ae_algo->ops->get_global_queue_id(h, i); 1615f06b903SYunsheng Lin if (!priv->ring || !priv->ring[i].tqp_vector) 1620c29d191Sliuzhongzhu continue; 1630c29d191Sliuzhongzhu 1640c29d191Sliuzhongzhu dev_info(&h->pdev->dev, 1650c29d191Sliuzhongzhu " %4d %4d %4d\n", 1665f06b903SYunsheng Lin i, global_qid, priv->ring[i].tqp_vector->vector_irq); 1670c29d191Sliuzhongzhu } 1680c29d191Sliuzhongzhu 1690c29d191Sliuzhongzhu return 0; 1700c29d191Sliuzhongzhu } 1710c29d191Sliuzhongzhu 172ebaf1908SWeihang Li static int hns3_dbg_bd_info(struct hnae3_handle *h, const char *cmd_buf) 173122bedc5Sliuzhongzhu { 174122bedc5Sliuzhongzhu struct hns3_nic_priv *priv = h->priv; 175122bedc5Sliuzhongzhu struct hns3_desc *rx_desc, *tx_desc; 176122bedc5Sliuzhongzhu struct device *dev = &h->pdev->dev; 177122bedc5Sliuzhongzhu struct hns3_enet_ring *ring; 178122bedc5Sliuzhongzhu u32 tx_index, rx_index; 179122bedc5Sliuzhongzhu u32 q_num, value; 18096e65abbSGuangbin Huang dma_addr_t addr; 18166d52f3bSHuazhong Tan u16 mss_hw_csum; 182b1533adaSHuazhong Tan u32 l234info; 183122bedc5Sliuzhongzhu int cnt; 184122bedc5Sliuzhongzhu 185122bedc5Sliuzhongzhu cnt = sscanf(&cmd_buf[8], "%u %u", &q_num, &tx_index); 186122bedc5Sliuzhongzhu if (cnt == 2) { 187122bedc5Sliuzhongzhu rx_index = tx_index; 188122bedc5Sliuzhongzhu } else if (cnt != 1) { 189122bedc5Sliuzhongzhu dev_err(dev, "bd info: bad command string, cnt=%d\n", cnt); 190122bedc5Sliuzhongzhu return -EINVAL; 191122bedc5Sliuzhongzhu } 192122bedc5Sliuzhongzhu 193122bedc5Sliuzhongzhu if (q_num >= h->kinfo.num_tqps) { 194ed5b255bSYufeng Mo dev_err(dev, "Queue number(%u) is out of range(0-%u)\n", q_num, 195122bedc5Sliuzhongzhu h->kinfo.num_tqps - 1); 196122bedc5Sliuzhongzhu return -EINVAL; 197122bedc5Sliuzhongzhu } 198122bedc5Sliuzhongzhu 1995f06b903SYunsheng Lin ring = &priv->ring[q_num]; 200122bedc5Sliuzhongzhu value = readl_relaxed(ring->tqp->io_base + HNS3_RING_TX_RING_TAIL_REG); 201122bedc5Sliuzhongzhu tx_index = (cnt == 1) ? value : tx_index; 202122bedc5Sliuzhongzhu 203122bedc5Sliuzhongzhu if (tx_index >= ring->desc_num) { 204ed5b255bSYufeng Mo dev_err(dev, "bd index(%u) is out of range(0-%u)\n", tx_index, 205122bedc5Sliuzhongzhu ring->desc_num - 1); 206122bedc5Sliuzhongzhu return -EINVAL; 207122bedc5Sliuzhongzhu } 208122bedc5Sliuzhongzhu 209122bedc5Sliuzhongzhu tx_desc = &ring->desc[tx_index]; 21096e65abbSGuangbin Huang addr = le64_to_cpu(tx_desc->addr); 21166d52f3bSHuazhong Tan mss_hw_csum = le16_to_cpu(tx_desc->tx.mss_hw_csum); 212122bedc5Sliuzhongzhu dev_info(dev, "TX Queue Num: %u, BD Index: %u\n", q_num, tx_index); 21396e65abbSGuangbin Huang dev_info(dev, "(TX)addr: %pad\n", &addr); 21439edaf24SGuojia Liao dev_info(dev, "(TX)vlan_tag: %u\n", le16_to_cpu(tx_desc->tx.vlan_tag)); 21539edaf24SGuojia Liao dev_info(dev, "(TX)send_size: %u\n", 21639edaf24SGuojia Liao le16_to_cpu(tx_desc->tx.send_size)); 217b1533adaSHuazhong Tan 218b1533adaSHuazhong Tan if (mss_hw_csum & BIT(HNS3_TXD_HW_CS_B)) { 219b1533adaSHuazhong Tan u32 offset = le32_to_cpu(tx_desc->tx.ol_type_vlan_len_msec); 220b1533adaSHuazhong Tan u32 start = le32_to_cpu(tx_desc->tx.type_cs_vlan_tso_len); 221b1533adaSHuazhong Tan 222b1533adaSHuazhong Tan dev_info(dev, "(TX)csum start: %u\n", 223b1533adaSHuazhong Tan hnae3_get_field(start, 224b1533adaSHuazhong Tan HNS3_TXD_CSUM_START_M, 225b1533adaSHuazhong Tan HNS3_TXD_CSUM_START_S)); 226b1533adaSHuazhong Tan dev_info(dev, "(TX)csum offset: %u\n", 227b1533adaSHuazhong Tan hnae3_get_field(offset, 228b1533adaSHuazhong Tan HNS3_TXD_CSUM_OFFSET_M, 229b1533adaSHuazhong Tan HNS3_TXD_CSUM_OFFSET_S)); 230b1533adaSHuazhong Tan } else { 231b1533adaSHuazhong Tan dev_info(dev, "(TX)vlan_tso: %u\n", 232b1533adaSHuazhong Tan tx_desc->tx.type_cs_vlan_tso); 233122bedc5Sliuzhongzhu dev_info(dev, "(TX)l2_len: %u\n", tx_desc->tx.l2_len); 234122bedc5Sliuzhongzhu dev_info(dev, "(TX)l3_len: %u\n", tx_desc->tx.l3_len); 235122bedc5Sliuzhongzhu dev_info(dev, "(TX)l4_len: %u\n", tx_desc->tx.l4_len); 236b1533adaSHuazhong Tan dev_info(dev, "(TX)vlan_msec: %u\n", 237b1533adaSHuazhong Tan tx_desc->tx.ol_type_vlan_msec); 238122bedc5Sliuzhongzhu dev_info(dev, "(TX)ol2_len: %u\n", tx_desc->tx.ol2_len); 239122bedc5Sliuzhongzhu dev_info(dev, "(TX)ol3_len: %u\n", tx_desc->tx.ol3_len); 240122bedc5Sliuzhongzhu dev_info(dev, "(TX)ol4_len: %u\n", tx_desc->tx.ol4_len); 241b1533adaSHuazhong Tan } 242b1533adaSHuazhong Tan 243b1533adaSHuazhong Tan dev_info(dev, "(TX)vlan_tag: %u\n", 244b1533adaSHuazhong Tan le16_to_cpu(tx_desc->tx.outer_vlan_tag)); 245b1533adaSHuazhong Tan dev_info(dev, "(TX)tv: %u\n", le16_to_cpu(tx_desc->tx.tv)); 2463e281621SHuazhong Tan dev_info(dev, "(TX)paylen_ol4cs: %u\n", 2473e281621SHuazhong Tan le32_to_cpu(tx_desc->tx.paylen_ol4cs)); 24839edaf24SGuojia Liao dev_info(dev, "(TX)vld_ra_ri: %u\n", 24939edaf24SGuojia Liao le16_to_cpu(tx_desc->tx.bdtp_fe_sc_vld_ra_ri)); 25066d52f3bSHuazhong Tan dev_info(dev, "(TX)mss_hw_csum: %u\n", mss_hw_csum); 251122bedc5Sliuzhongzhu 2525f06b903SYunsheng Lin ring = &priv->ring[q_num + h->kinfo.num_tqps]; 253122bedc5Sliuzhongzhu value = readl_relaxed(ring->tqp->io_base + HNS3_RING_RX_RING_TAIL_REG); 254122bedc5Sliuzhongzhu rx_index = (cnt == 1) ? value : tx_index; 255122bedc5Sliuzhongzhu rx_desc = &ring->desc[rx_index]; 256122bedc5Sliuzhongzhu 25796e65abbSGuangbin Huang addr = le64_to_cpu(rx_desc->addr); 258b1533adaSHuazhong Tan l234info = le32_to_cpu(rx_desc->rx.l234_info); 259122bedc5Sliuzhongzhu dev_info(dev, "RX Queue Num: %u, BD Index: %u\n", q_num, rx_index); 26096e65abbSGuangbin Huang dev_info(dev, "(RX)addr: %pad\n", &addr); 261b1533adaSHuazhong Tan dev_info(dev, "(RX)l234_info: %u\n", l234info); 262b1533adaSHuazhong Tan 263b1533adaSHuazhong Tan if (l234info & BIT(HNS3_RXD_L2_CSUM_B)) { 264b1533adaSHuazhong Tan u32 lo, hi; 265b1533adaSHuazhong Tan 266b1533adaSHuazhong Tan lo = hnae3_get_field(l234info, HNS3_RXD_L2_CSUM_L_M, 267b1533adaSHuazhong Tan HNS3_RXD_L2_CSUM_L_S); 268b1533adaSHuazhong Tan hi = hnae3_get_field(l234info, HNS3_RXD_L2_CSUM_H_M, 269b1533adaSHuazhong Tan HNS3_RXD_L2_CSUM_H_S); 270b1533adaSHuazhong Tan dev_info(dev, "(RX)csum: %u\n", lo | hi << 8); 271b1533adaSHuazhong Tan } 272b1533adaSHuazhong Tan 27339edaf24SGuojia Liao dev_info(dev, "(RX)pkt_len: %u\n", le16_to_cpu(rx_desc->rx.pkt_len)); 27439edaf24SGuojia Liao dev_info(dev, "(RX)size: %u\n", le16_to_cpu(rx_desc->rx.size)); 27539edaf24SGuojia Liao dev_info(dev, "(RX)rss_hash: %u\n", le32_to_cpu(rx_desc->rx.rss_hash)); 27639edaf24SGuojia Liao dev_info(dev, "(RX)fd_id: %u\n", le16_to_cpu(rx_desc->rx.fd_id)); 27739edaf24SGuojia Liao dev_info(dev, "(RX)vlan_tag: %u\n", le16_to_cpu(rx_desc->rx.vlan_tag)); 27839edaf24SGuojia Liao dev_info(dev, "(RX)o_dm_vlan_id_fb: %u\n", 27939edaf24SGuojia Liao le16_to_cpu(rx_desc->rx.o_dm_vlan_id_fb)); 28039edaf24SGuojia Liao dev_info(dev, "(RX)ot_vlan_tag: %u\n", 28139edaf24SGuojia Liao le16_to_cpu(rx_desc->rx.ot_vlan_tag)); 28239edaf24SGuojia Liao dev_info(dev, "(RX)bd_base_info: %u\n", 28339edaf24SGuojia Liao le32_to_cpu(rx_desc->rx.bd_base_info)); 284122bedc5Sliuzhongzhu 285122bedc5Sliuzhongzhu return 0; 286122bedc5Sliuzhongzhu } 287122bedc5Sliuzhongzhu 288b2292360Sliuzhongzhu static void hns3_dbg_help(struct hnae3_handle *h) 289b2292360Sliuzhongzhu { 29027cf979aSliuzhongzhu #define HNS3_DBG_BUF_LEN 256 29127cf979aSliuzhongzhu 29227cf979aSliuzhongzhu char printf_buf[HNS3_DBG_BUF_LEN]; 29327cf979aSliuzhongzhu 294b2292360Sliuzhongzhu dev_info(&h->pdev->dev, "available commands\n"); 295ed5b255bSYufeng Mo dev_info(&h->pdev->dev, "queue info <number>\n"); 2960c29d191Sliuzhongzhu dev_info(&h->pdev->dev, "queue map\n"); 297ed5b255bSYufeng Mo dev_info(&h->pdev->dev, "bd info <q_num> <bd index>\n"); 2989484e337SGuangbin Huang dev_info(&h->pdev->dev, "dev capability\n"); 299b4442ec5SGuangbin Huang dev_info(&h->pdev->dev, "dev spec\n"); 30097afd47bSYufeng Mo 30197afd47bSYufeng Mo if (!hns3_is_phys_func(h->pdev)) 30297afd47bSYufeng Mo return; 30397afd47bSYufeng Mo 304b2292360Sliuzhongzhu dev_info(&h->pdev->dev, "dump fd tcam\n"); 3052849d4e7Sliuzhongzhu dev_info(&h->pdev->dev, "dump tc\n"); 306ed5b255bSYufeng Mo dev_info(&h->pdev->dev, "dump tm map <q_num>\n"); 30796227f4cSliuzhongzhu dev_info(&h->pdev->dev, "dump tm\n"); 308d958919dSliuzhongzhu dev_info(&h->pdev->dev, "dump qos pause cfg\n"); 3096fc22440Sliuzhongzhu dev_info(&h->pdev->dev, "dump qos pri map\n"); 3107d9d7f88Sliuzhongzhu dev_info(&h->pdev->dev, "dump qos buf cfg\n"); 3117737f1fbSliuzhongzhu dev_info(&h->pdev->dev, "dump mng tbl\n"); 312f02eb82dSHuazhong Tan dev_info(&h->pdev->dev, "dump reset info\n"); 31333a90e2fSZhongzhu Liu dev_info(&h->pdev->dev, "dump m7 info\n"); 314ffd140e2SWeihang Li dev_info(&h->pdev->dev, "dump ncl_config <offset> <length>(in hex)\n"); 315a6345787SWeihang Li dev_info(&h->pdev->dev, "dump mac tnl status\n"); 316ded45d40SYufeng Mo dev_info(&h->pdev->dev, "dump loopback\n"); 31789ec9485SYonglong Liu dev_info(&h->pdev->dev, "dump qs shaper [qs id]\n"); 318f671237aSJian Shen dev_info(&h->pdev->dev, "dump uc mac list <func id>\n"); 319f671237aSJian Shen dev_info(&h->pdev->dev, "dump mc mac list <func id>\n"); 320348775ebSYufeng Mo dev_info(&h->pdev->dev, "dump intr\n"); 32127cf979aSliuzhongzhu 32227cf979aSliuzhongzhu memset(printf_buf, 0, HNS3_DBG_BUF_LEN); 323ed5b255bSYufeng Mo strncat(printf_buf, "dump reg [[bios common] [ssu <port_id>]", 32427cf979aSliuzhongzhu HNS3_DBG_BUF_LEN - 1); 32527cf979aSliuzhongzhu strncat(printf_buf + strlen(printf_buf), 326ed5b255bSYufeng Mo " [igu egu <port_id>] [rpu <tc_queue_num>]", 32727cf979aSliuzhongzhu HNS3_DBG_BUF_LEN - strlen(printf_buf) - 1); 32827cf979aSliuzhongzhu strncat(printf_buf + strlen(printf_buf), 3295cb51cfeSYufeng Mo " [rtc] [ppp] [rcb] [tqp <queue_num>] [mac]]\n", 33027cf979aSliuzhongzhu HNS3_DBG_BUF_LEN - strlen(printf_buf) - 1); 33127cf979aSliuzhongzhu dev_info(&h->pdev->dev, "%s", printf_buf); 332c0ebebb9Sliuzhongzhu 333c0ebebb9Sliuzhongzhu memset(printf_buf, 0, HNS3_DBG_BUF_LEN); 334ed5b255bSYufeng Mo strncat(printf_buf, "dump reg dcb <port_id> <pri_id> <pg_id>", 335c0ebebb9Sliuzhongzhu HNS3_DBG_BUF_LEN - 1); 336ed5b255bSYufeng Mo strncat(printf_buf + strlen(printf_buf), " <rq_id> <nq_id> <qset_id>\n", 337c0ebebb9Sliuzhongzhu HNS3_DBG_BUF_LEN - strlen(printf_buf) - 1); 338c0ebebb9Sliuzhongzhu dev_info(&h->pdev->dev, "%s", printf_buf); 339b2292360Sliuzhongzhu } 340b2292360Sliuzhongzhu 3419484e337SGuangbin Huang static void hns3_dbg_dev_caps(struct hnae3_handle *h) 3429484e337SGuangbin Huang { 3439484e337SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 3449484e337SGuangbin Huang unsigned long *caps; 3459484e337SGuangbin Huang 3469484e337SGuangbin Huang caps = ae_dev->caps; 3479484e337SGuangbin Huang 3489484e337SGuangbin Huang dev_info(&h->pdev->dev, "support FD: %s\n", 3499484e337SGuangbin Huang test_bit(HNAE3_DEV_SUPPORT_FD_B, caps) ? "yes" : "no"); 3509484e337SGuangbin Huang dev_info(&h->pdev->dev, "support GRO: %s\n", 3519484e337SGuangbin Huang test_bit(HNAE3_DEV_SUPPORT_GRO_B, caps) ? "yes" : "no"); 3529484e337SGuangbin Huang dev_info(&h->pdev->dev, "support FEC: %s\n", 3539484e337SGuangbin Huang test_bit(HNAE3_DEV_SUPPORT_FEC_B, caps) ? "yes" : "no"); 3549484e337SGuangbin Huang dev_info(&h->pdev->dev, "support UDP GSO: %s\n", 3559484e337SGuangbin Huang test_bit(HNAE3_DEV_SUPPORT_UDP_GSO_B, caps) ? "yes" : "no"); 3569484e337SGuangbin Huang dev_info(&h->pdev->dev, "support PTP: %s\n", 3579484e337SGuangbin Huang test_bit(HNAE3_DEV_SUPPORT_PTP_B, caps) ? "yes" : "no"); 3589484e337SGuangbin Huang dev_info(&h->pdev->dev, "support INT QL: %s\n", 3599484e337SGuangbin Huang test_bit(HNAE3_DEV_SUPPORT_INT_QL_B, caps) ? "yes" : "no"); 36066d52f3bSHuazhong Tan dev_info(&h->pdev->dev, "support HW TX csum: %s\n", 36166d52f3bSHuazhong Tan test_bit(HNAE3_DEV_SUPPORT_HW_TX_CSUM_B, caps) ? "yes" : "no"); 3623e281621SHuazhong Tan dev_info(&h->pdev->dev, "support UDP tunnel csum: %s\n", 3633e281621SHuazhong Tan test_bit(HNAE3_DEV_SUPPORT_UDP_TUNNEL_CSUM_B, caps) ? 3643e281621SHuazhong Tan "yes" : "no"); 3659484e337SGuangbin Huang } 3669484e337SGuangbin Huang 367b4442ec5SGuangbin Huang static void hns3_dbg_dev_specs(struct hnae3_handle *h) 368b4442ec5SGuangbin Huang { 369b4442ec5SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 370b4442ec5SGuangbin Huang struct hnae3_dev_specs *dev_specs = &ae_dev->dev_specs; 371b4442ec5SGuangbin Huang struct hnae3_knic_private_info *kinfo = &h->kinfo; 372b4442ec5SGuangbin Huang struct hns3_nic_priv *priv = h->priv; 373b4442ec5SGuangbin Huang 374b4442ec5SGuangbin Huang dev_info(priv->dev, "MAC entry num: %u\n", dev_specs->mac_entry_num); 375b4442ec5SGuangbin Huang dev_info(priv->dev, "MNG entry num: %u\n", dev_specs->mng_entry_num); 376b4442ec5SGuangbin Huang dev_info(priv->dev, "MAX non tso bd num: %u\n", 377b4442ec5SGuangbin Huang dev_specs->max_non_tso_bd_num); 378b4442ec5SGuangbin Huang dev_info(priv->dev, "RSS ind tbl size: %u\n", 379b4442ec5SGuangbin Huang dev_specs->rss_ind_tbl_size); 380b4442ec5SGuangbin Huang dev_info(priv->dev, "RSS key size: %u\n", dev_specs->rss_key_size); 381b4442ec5SGuangbin Huang dev_info(priv->dev, "RSS size: %u\n", kinfo->rss_size); 382b4442ec5SGuangbin Huang dev_info(priv->dev, "Allocated RSS size: %u\n", kinfo->req_rss_size); 383b4442ec5SGuangbin Huang dev_info(priv->dev, "Task queue pairs numbers: %u\n", kinfo->num_tqps); 384b4442ec5SGuangbin Huang 385b4442ec5SGuangbin Huang dev_info(priv->dev, "RX buffer length: %u\n", kinfo->rx_buf_len); 386b4442ec5SGuangbin Huang dev_info(priv->dev, "Desc num per TX queue: %u\n", kinfo->num_tx_desc); 387b4442ec5SGuangbin Huang dev_info(priv->dev, "Desc num per RX queue: %u\n", kinfo->num_rx_desc); 38835244430SJian Shen dev_info(priv->dev, "Total number of enabled TCs: %u\n", 38935244430SJian Shen kinfo->tc_info.num_tc); 390b4442ec5SGuangbin Huang dev_info(priv->dev, "MAX INT QL: %u\n", dev_specs->int_ql_max); 391ab16b49cSHuazhong Tan dev_info(priv->dev, "MAX INT GL: %u\n", dev_specs->max_int_gl); 392e070c8b9SYufeng Mo dev_info(priv->dev, "MAX frame size: %u\n", dev_specs->max_frm_size); 393*2783e77bSGuangbin Huang dev_info(priv->dev, "MAX TM RATE: %uMbps\n", dev_specs->max_tm_rate); 394b4442ec5SGuangbin Huang } 395b4442ec5SGuangbin Huang 396b2292360Sliuzhongzhu static ssize_t hns3_dbg_cmd_read(struct file *filp, char __user *buffer, 397b2292360Sliuzhongzhu size_t count, loff_t *ppos) 398b2292360Sliuzhongzhu { 399b2292360Sliuzhongzhu int uncopy_bytes; 400b2292360Sliuzhongzhu char *buf; 401b2292360Sliuzhongzhu int len; 402b2292360Sliuzhongzhu 403b2292360Sliuzhongzhu if (*ppos != 0) 404b2292360Sliuzhongzhu return 0; 405b2292360Sliuzhongzhu 406b2292360Sliuzhongzhu if (count < HNS3_DBG_READ_LEN) 407b2292360Sliuzhongzhu return -ENOSPC; 408b2292360Sliuzhongzhu 409b2292360Sliuzhongzhu buf = kzalloc(HNS3_DBG_READ_LEN, GFP_KERNEL); 410b2292360Sliuzhongzhu if (!buf) 411b2292360Sliuzhongzhu return -ENOMEM; 412b2292360Sliuzhongzhu 41349e211c0SChen Zhou len = scnprintf(buf, HNS3_DBG_READ_LEN, "%s\n", 414b2292360Sliuzhongzhu "Please echo help to cmd to get help information"); 415b2292360Sliuzhongzhu uncopy_bytes = copy_to_user(buffer, buf, len); 416b2292360Sliuzhongzhu 417b2292360Sliuzhongzhu kfree(buf); 418b2292360Sliuzhongzhu 419b2292360Sliuzhongzhu if (uncopy_bytes) 420b2292360Sliuzhongzhu return -EFAULT; 421b2292360Sliuzhongzhu 422b2292360Sliuzhongzhu return (*ppos = len); 423b2292360Sliuzhongzhu } 424b2292360Sliuzhongzhu 425b2292360Sliuzhongzhu static ssize_t hns3_dbg_cmd_write(struct file *filp, const char __user *buffer, 426b2292360Sliuzhongzhu size_t count, loff_t *ppos) 427b2292360Sliuzhongzhu { 428b2292360Sliuzhongzhu struct hnae3_handle *handle = filp->private_data; 42957ceee2cSliuzhongzhu struct hns3_nic_priv *priv = handle->priv; 430b2292360Sliuzhongzhu char *cmd_buf, *cmd_buf_tmp; 431b2292360Sliuzhongzhu int uncopied_bytes; 432b2292360Sliuzhongzhu int ret = 0; 433b2292360Sliuzhongzhu 434b2292360Sliuzhongzhu if (*ppos != 0) 435b2292360Sliuzhongzhu return 0; 436b2292360Sliuzhongzhu 43757ceee2cSliuzhongzhu /* Judge if the instance is being reset. */ 4387737f1fbSliuzhongzhu if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 43957ceee2cSliuzhongzhu test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) 44057ceee2cSliuzhongzhu return 0; 44157ceee2cSliuzhongzhu 4427ac243f9SYufeng Mo if (count > HNS3_DBG_WRITE_LEN) 4437ac243f9SYufeng Mo return -ENOSPC; 4447ac243f9SYufeng Mo 445b2292360Sliuzhongzhu cmd_buf = kzalloc(count + 1, GFP_KERNEL); 446b2292360Sliuzhongzhu if (!cmd_buf) 447b2292360Sliuzhongzhu return count; 448b2292360Sliuzhongzhu 449b2292360Sliuzhongzhu uncopied_bytes = copy_from_user(cmd_buf, buffer, count); 450b2292360Sliuzhongzhu if (uncopied_bytes) { 451b2292360Sliuzhongzhu kfree(cmd_buf); 452b2292360Sliuzhongzhu return -EFAULT; 453b2292360Sliuzhongzhu } 454b2292360Sliuzhongzhu 455b2292360Sliuzhongzhu cmd_buf[count] = '\0'; 456b2292360Sliuzhongzhu 457b2292360Sliuzhongzhu cmd_buf_tmp = strchr(cmd_buf, '\n'); 458b2292360Sliuzhongzhu if (cmd_buf_tmp) { 459b2292360Sliuzhongzhu *cmd_buf_tmp = '\0'; 460b2292360Sliuzhongzhu count = cmd_buf_tmp - cmd_buf + 1; 461b2292360Sliuzhongzhu } 462b2292360Sliuzhongzhu 463b2292360Sliuzhongzhu if (strncmp(cmd_buf, "help", 4) == 0) 464b2292360Sliuzhongzhu hns3_dbg_help(handle); 46557ceee2cSliuzhongzhu else if (strncmp(cmd_buf, "queue info", 10) == 0) 46657ceee2cSliuzhongzhu ret = hns3_dbg_queue_info(handle, cmd_buf); 4670c29d191Sliuzhongzhu else if (strncmp(cmd_buf, "queue map", 9) == 0) 4680c29d191Sliuzhongzhu ret = hns3_dbg_queue_map(handle); 469122bedc5Sliuzhongzhu else if (strncmp(cmd_buf, "bd info", 7) == 0) 470122bedc5Sliuzhongzhu ret = hns3_dbg_bd_info(handle, cmd_buf); 4719484e337SGuangbin Huang else if (strncmp(cmd_buf, "dev capability", 14) == 0) 4729484e337SGuangbin Huang hns3_dbg_dev_caps(handle); 473b4442ec5SGuangbin Huang else if (strncmp(cmd_buf, "dev spec", 8) == 0) 474b4442ec5SGuangbin Huang hns3_dbg_dev_specs(handle); 4753c666b58Sliuzhongzhu else if (handle->ae_algo->ops->dbg_run_cmd) 4763c666b58Sliuzhongzhu ret = handle->ae_algo->ops->dbg_run_cmd(handle, cmd_buf); 47797afd47bSYufeng Mo else 47897afd47bSYufeng Mo ret = -EOPNOTSUPP; 479b2292360Sliuzhongzhu 480b2292360Sliuzhongzhu if (ret) 481b2292360Sliuzhongzhu hns3_dbg_help(handle); 482b2292360Sliuzhongzhu 483b2292360Sliuzhongzhu kfree(cmd_buf); 484b2292360Sliuzhongzhu cmd_buf = NULL; 485b2292360Sliuzhongzhu 486b2292360Sliuzhongzhu return count; 487b2292360Sliuzhongzhu } 488b2292360Sliuzhongzhu 48904987ca1SGuangbin Huang static ssize_t hns3_dbg_read(struct file *filp, char __user *buffer, 49004987ca1SGuangbin Huang size_t count, loff_t *ppos) 49104987ca1SGuangbin Huang { 49204987ca1SGuangbin Huang struct hnae3_handle *handle = filp->private_data; 49304987ca1SGuangbin Huang const struct hnae3_ae_ops *ops = handle->ae_algo->ops; 49404987ca1SGuangbin Huang struct hns3_nic_priv *priv = handle->priv; 49504987ca1SGuangbin Huang char *cmd_buf, *read_buf; 49604987ca1SGuangbin Huang ssize_t size = 0; 49704987ca1SGuangbin Huang int ret = 0; 49804987ca1SGuangbin Huang 49904987ca1SGuangbin Huang read_buf = kzalloc(HNS3_DBG_READ_LEN, GFP_KERNEL); 50004987ca1SGuangbin Huang if (!read_buf) 50104987ca1SGuangbin Huang return -ENOMEM; 50204987ca1SGuangbin Huang 50304987ca1SGuangbin Huang cmd_buf = filp->f_path.dentry->d_iname; 50404987ca1SGuangbin Huang 50504987ca1SGuangbin Huang if (ops->dbg_read_cmd) 50604987ca1SGuangbin Huang ret = ops->dbg_read_cmd(handle, cmd_buf, read_buf, 50704987ca1SGuangbin Huang HNS3_DBG_READ_LEN); 50804987ca1SGuangbin Huang 50904987ca1SGuangbin Huang if (ret) { 51004987ca1SGuangbin Huang dev_info(priv->dev, "unknown command\n"); 51104987ca1SGuangbin Huang goto out; 51204987ca1SGuangbin Huang } 51304987ca1SGuangbin Huang 51404987ca1SGuangbin Huang size = simple_read_from_buffer(buffer, count, ppos, read_buf, 51504987ca1SGuangbin Huang strlen(read_buf)); 51604987ca1SGuangbin Huang 51704987ca1SGuangbin Huang out: 51804987ca1SGuangbin Huang kfree(read_buf); 51904987ca1SGuangbin Huang return size; 52004987ca1SGuangbin Huang } 52104987ca1SGuangbin Huang 522b2292360Sliuzhongzhu static const struct file_operations hns3_dbg_cmd_fops = { 523b2292360Sliuzhongzhu .owner = THIS_MODULE, 524b2292360Sliuzhongzhu .open = simple_open, 525b2292360Sliuzhongzhu .read = hns3_dbg_cmd_read, 526b2292360Sliuzhongzhu .write = hns3_dbg_cmd_write, 527b2292360Sliuzhongzhu }; 528b2292360Sliuzhongzhu 52904987ca1SGuangbin Huang static const struct file_operations hns3_dbg_fops = { 53004987ca1SGuangbin Huang .owner = THIS_MODULE, 53104987ca1SGuangbin Huang .open = simple_open, 53204987ca1SGuangbin Huang .read = hns3_dbg_read, 53304987ca1SGuangbin Huang }; 53404987ca1SGuangbin Huang 535b2292360Sliuzhongzhu void hns3_dbg_init(struct hnae3_handle *handle) 536b2292360Sliuzhongzhu { 53704987ca1SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 538b2292360Sliuzhongzhu const char *name = pci_name(handle->pdev); 53904987ca1SGuangbin Huang struct dentry *entry_dir; 540b2292360Sliuzhongzhu 541b2292360Sliuzhongzhu handle->hnae3_dbgfs = debugfs_create_dir(name, hns3_dbgfs_root); 542b2292360Sliuzhongzhu 54311ab11e6SGreg Kroah-Hartman debugfs_create_file("cmd", 0600, handle->hnae3_dbgfs, handle, 544b2292360Sliuzhongzhu &hns3_dbg_cmd_fops); 54504987ca1SGuangbin Huang 54604987ca1SGuangbin Huang entry_dir = debugfs_create_dir("tm", handle->hnae3_dbgfs); 54704987ca1SGuangbin Huang if (ae_dev->dev_version > HNAE3_DEVICE_VERSION_V2) 54804987ca1SGuangbin Huang debugfs_create_file(HNAE3_DBG_TM_NODES, 0600, entry_dir, handle, 54904987ca1SGuangbin Huang &hns3_dbg_fops); 55004987ca1SGuangbin Huang debugfs_create_file(HNAE3_DBG_TM_PRI, 0600, entry_dir, handle, 55104987ca1SGuangbin Huang &hns3_dbg_fops); 55204987ca1SGuangbin Huang debugfs_create_file(HNAE3_DBG_TM_QSET, 0600, entry_dir, handle, 55304987ca1SGuangbin Huang &hns3_dbg_fops); 554b2292360Sliuzhongzhu } 555b2292360Sliuzhongzhu 556b2292360Sliuzhongzhu void hns3_dbg_uninit(struct hnae3_handle *handle) 557b2292360Sliuzhongzhu { 558b2292360Sliuzhongzhu debugfs_remove_recursive(handle->hnae3_dbgfs); 559b2292360Sliuzhongzhu handle->hnae3_dbgfs = NULL; 560b2292360Sliuzhongzhu } 561b2292360Sliuzhongzhu 562b2292360Sliuzhongzhu void hns3_dbg_register_debugfs(const char *debugfs_dir_name) 563b2292360Sliuzhongzhu { 564b2292360Sliuzhongzhu hns3_dbgfs_root = debugfs_create_dir(debugfs_dir_name, NULL); 565b2292360Sliuzhongzhu } 566b2292360Sliuzhongzhu 567b2292360Sliuzhongzhu void hns3_dbg_unregister_debugfs(void) 568b2292360Sliuzhongzhu { 569b2292360Sliuzhongzhu debugfs_remove_recursive(hns3_dbgfs_root); 570b2292360Sliuzhongzhu hns3_dbgfs_root = NULL; 571b2292360Sliuzhongzhu } 572