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 }, 1210b198b0dSJiaran Zhang { 1220b198b0dSJiaran Zhang .name = "imp_info", 1230b198b0dSJiaran Zhang .cmd = HNAE3_DBG_CMD_IMP_INFO, 1240b198b0dSJiaran Zhang .dentry = HNS3_DBG_DENTRY_COMMON, 1250b198b0dSJiaran Zhang .buf_len = HNS3_DBG_READ_LEN, 1260b198b0dSJiaran Zhang .init = hns3_dbg_common_file_init, 1270b198b0dSJiaran Zhang }, 128*e76e6886SJiaran Zhang { 129*e76e6886SJiaran Zhang .name = "ncl_config", 130*e76e6886SJiaran Zhang .cmd = HNAE3_DBG_CMD_NCL_CONFIG, 131*e76e6886SJiaran Zhang .dentry = HNS3_DBG_DENTRY_COMMON, 132*e76e6886SJiaran Zhang .buf_len = HNS3_DBG_READ_LEN_128KB, 133*e76e6886SJiaran Zhang .init = hns3_dbg_common_file_init, 134*e76e6886SJiaran Zhang }, 135c929bc2aSJiaran Zhang }; 136c929bc2aSJiaran Zhang 137c929bc2aSJiaran Zhang static struct hns3_dbg_cap_info hns3_dbg_cap[] = { 138c929bc2aSJiaran Zhang { 139c929bc2aSJiaran Zhang .name = "support FD", 140c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_FD_B, 141c929bc2aSJiaran Zhang }, { 142c929bc2aSJiaran Zhang .name = "support GRO", 143c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_GRO_B, 144c929bc2aSJiaran Zhang }, { 145c929bc2aSJiaran Zhang .name = "support FEC", 146c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_FEC_B, 147c929bc2aSJiaran Zhang }, { 148c929bc2aSJiaran Zhang .name = "support UDP GSO", 149c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_UDP_GSO_B, 150c929bc2aSJiaran Zhang }, { 151c929bc2aSJiaran Zhang .name = "support PTP", 152c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_PTP_B, 153c929bc2aSJiaran Zhang }, { 154c929bc2aSJiaran Zhang .name = "support INT QL", 155c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_INT_QL_B, 156c929bc2aSJiaran Zhang }, { 157c929bc2aSJiaran Zhang .name = "support HW TX csum", 158c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_HW_TX_CSUM_B, 159c929bc2aSJiaran Zhang }, { 160c929bc2aSJiaran Zhang .name = "support UDP tunnel csum", 161c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_UDP_TUNNEL_CSUM_B, 162c929bc2aSJiaran Zhang }, { 163c929bc2aSJiaran Zhang .name = "support TX push", 164c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_TX_PUSH_B, 165c929bc2aSJiaran Zhang }, { 166c929bc2aSJiaran Zhang .name = "support imp-controlled PHY", 167c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_PHY_IMP_B, 168c929bc2aSJiaran Zhang }, { 169c929bc2aSJiaran Zhang .name = "support rxd advanced layout", 170c929bc2aSJiaran Zhang .cap_bit = HNAE3_DEV_SUPPORT_RXD_ADV_LAYOUT_B, 171c929bc2aSJiaran Zhang }, 1725e69ea7eSYufeng Mo }; 1735e69ea7eSYufeng Mo 17477e91848SHuazhong Tan static void hns3_dbg_fill_content(char *content, u16 len, 17577e91848SHuazhong Tan const struct hns3_dbg_item *items, 17677e91848SHuazhong Tan const char **result, u16 size) 17777e91848SHuazhong Tan { 17877e91848SHuazhong Tan char *pos = content; 17977e91848SHuazhong Tan u16 i; 18077e91848SHuazhong Tan 18177e91848SHuazhong Tan memset(content, ' ', len); 18277e91848SHuazhong Tan for (i = 0; i < size; i++) { 18377e91848SHuazhong Tan if (result) 18477e91848SHuazhong Tan strncpy(pos, result[i], strlen(result[i])); 18577e91848SHuazhong Tan else 18677e91848SHuazhong Tan strncpy(pos, items[i].name, strlen(items[i].name)); 18777e91848SHuazhong Tan 18877e91848SHuazhong Tan pos += strlen(items[i].name) + items[i].interval; 18977e91848SHuazhong Tan } 19077e91848SHuazhong Tan 19177e91848SHuazhong Tan *pos++ = '\n'; 19277e91848SHuazhong Tan *pos++ = '\0'; 19377e91848SHuazhong Tan } 19477e91848SHuazhong Tan 195ebaf1908SWeihang Li static int hns3_dbg_queue_info(struct hnae3_handle *h, 196ebaf1908SWeihang Li const char *cmd_buf) 19757ceee2cSliuzhongzhu { 198dbaae5bbSGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 19957ceee2cSliuzhongzhu struct hns3_nic_priv *priv = h->priv; 20057ceee2cSliuzhongzhu struct hns3_enet_ring *ring; 20157ceee2cSliuzhongzhu u32 base_add_l, base_add_h; 20257ceee2cSliuzhongzhu u32 queue_num, queue_max; 2039d8d5a36SYufeng Mo u32 value, i; 20457ceee2cSliuzhongzhu int cnt; 20557ceee2cSliuzhongzhu 2065f06b903SYunsheng Lin if (!priv->ring) { 2075f06b903SYunsheng Lin dev_err(&h->pdev->dev, "priv->ring is NULL\n"); 20857ceee2cSliuzhongzhu return -EFAULT; 20957ceee2cSliuzhongzhu } 21057ceee2cSliuzhongzhu 21157ceee2cSliuzhongzhu queue_max = h->kinfo.num_tqps; 21257ceee2cSliuzhongzhu cnt = kstrtouint(&cmd_buf[11], 0, &queue_num); 21357ceee2cSliuzhongzhu if (cnt) 21457ceee2cSliuzhongzhu queue_num = 0; 21557ceee2cSliuzhongzhu else 21657ceee2cSliuzhongzhu queue_max = queue_num + 1; 21757ceee2cSliuzhongzhu 21857ceee2cSliuzhongzhu dev_info(&h->pdev->dev, "queue info\n"); 21957ceee2cSliuzhongzhu 22057ceee2cSliuzhongzhu if (queue_num >= h->kinfo.num_tqps) { 22157ceee2cSliuzhongzhu dev_err(&h->pdev->dev, 222ed5b255bSYufeng Mo "Queue number(%u) is out of range(0-%u)\n", queue_num, 22357ceee2cSliuzhongzhu h->kinfo.num_tqps - 1); 22457ceee2cSliuzhongzhu return -EINVAL; 22557ceee2cSliuzhongzhu } 22657ceee2cSliuzhongzhu 22757ceee2cSliuzhongzhu for (i = queue_num; i < queue_max; i++) { 22857ceee2cSliuzhongzhu /* Each cycle needs to determine whether the instance is reset, 22957ceee2cSliuzhongzhu * to prevent reference to invalid memory. And need to ensure 23057ceee2cSliuzhongzhu * that the following code is executed within 100ms. 23157ceee2cSliuzhongzhu */ 2327737f1fbSliuzhongzhu if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 23357ceee2cSliuzhongzhu test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) 23457ceee2cSliuzhongzhu return -EPERM; 23557ceee2cSliuzhongzhu 2365f06b903SYunsheng Lin ring = &priv->ring[(u32)(i + h->kinfo.num_tqps)]; 23757ceee2cSliuzhongzhu base_add_h = readl_relaxed(ring->tqp->io_base + 23857ceee2cSliuzhongzhu HNS3_RING_RX_RING_BASEADDR_H_REG); 23957ceee2cSliuzhongzhu base_add_l = readl_relaxed(ring->tqp->io_base + 24057ceee2cSliuzhongzhu HNS3_RING_RX_RING_BASEADDR_L_REG); 241adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) BASE ADD: 0x%08x%08x\n", i, 24257ceee2cSliuzhongzhu base_add_h, base_add_l); 24357ceee2cSliuzhongzhu 24457ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 24557ceee2cSliuzhongzhu HNS3_RING_RX_RING_BD_NUM_REG); 246adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING BD NUM: %u\n", i, value); 24757ceee2cSliuzhongzhu 24857ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 24957ceee2cSliuzhongzhu HNS3_RING_RX_RING_BD_LEN_REG); 250adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING BD LEN: %u\n", i, value); 25157ceee2cSliuzhongzhu 25257ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 25357ceee2cSliuzhongzhu HNS3_RING_RX_RING_TAIL_REG); 254adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING TAIL: %u\n", i, value); 25557ceee2cSliuzhongzhu 25657ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 25757ceee2cSliuzhongzhu HNS3_RING_RX_RING_HEAD_REG); 258adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING HEAD: %u\n", i, value); 25957ceee2cSliuzhongzhu 26057ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 26157ceee2cSliuzhongzhu HNS3_RING_RX_RING_FBDNUM_REG); 262adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING FBDNUM: %u\n", i, value); 26357ceee2cSliuzhongzhu 26457ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 26557ceee2cSliuzhongzhu HNS3_RING_RX_RING_PKTNUM_RECORD_REG); 266adcf738bSGuojia Liao dev_info(&h->pdev->dev, "RX(%u) RING PKTNUM: %u\n", i, value); 26757ceee2cSliuzhongzhu 2685f06b903SYunsheng Lin ring = &priv->ring[i]; 26957ceee2cSliuzhongzhu base_add_h = readl_relaxed(ring->tqp->io_base + 27057ceee2cSliuzhongzhu HNS3_RING_TX_RING_BASEADDR_H_REG); 27157ceee2cSliuzhongzhu base_add_l = readl_relaxed(ring->tqp->io_base + 27257ceee2cSliuzhongzhu HNS3_RING_TX_RING_BASEADDR_L_REG); 273adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) BASE ADD: 0x%08x%08x\n", i, 27457ceee2cSliuzhongzhu base_add_h, base_add_l); 27557ceee2cSliuzhongzhu 27657ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 27757ceee2cSliuzhongzhu HNS3_RING_TX_RING_BD_NUM_REG); 278adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING BD NUM: %u\n", i, value); 27957ceee2cSliuzhongzhu 28057ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 28157ceee2cSliuzhongzhu HNS3_RING_TX_RING_TC_REG); 282adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING TC: %u\n", i, value); 28357ceee2cSliuzhongzhu 28457ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 28557ceee2cSliuzhongzhu HNS3_RING_TX_RING_TAIL_REG); 286adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING TAIL: %u\n", i, value); 28757ceee2cSliuzhongzhu 28857ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 28957ceee2cSliuzhongzhu HNS3_RING_TX_RING_HEAD_REG); 290adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING HEAD: %u\n", i, value); 29157ceee2cSliuzhongzhu 29257ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 29357ceee2cSliuzhongzhu HNS3_RING_TX_RING_FBDNUM_REG); 294adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING FBDNUM: %u\n", i, value); 29557ceee2cSliuzhongzhu 29657ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 29757ceee2cSliuzhongzhu HNS3_RING_TX_RING_OFFSET_REG); 298adcf738bSGuojia Liao dev_info(&h->pdev->dev, "TX(%u) RING OFFSET: %u\n", i, value); 29957ceee2cSliuzhongzhu 30057ceee2cSliuzhongzhu value = readl_relaxed(ring->tqp->io_base + 30157ceee2cSliuzhongzhu HNS3_RING_TX_RING_PKTNUM_RECORD_REG); 302dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "TX(%u) RING PKTNUM: %u\n", i, value); 303dbaae5bbSGuangbin Huang 304dbaae5bbSGuangbin Huang value = readl_relaxed(ring->tqp->io_base + HNS3_RING_EN_REG); 305dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "TX/RX(%u) RING EN: %s\n", i, 306dbaae5bbSGuangbin Huang value ? "enable" : "disable"); 307dbaae5bbSGuangbin Huang 308dbaae5bbSGuangbin Huang if (hnae3_ae_dev_tqp_txrx_indep_supported(ae_dev)) { 309dbaae5bbSGuangbin Huang value = readl_relaxed(ring->tqp->io_base + 310dbaae5bbSGuangbin Huang HNS3_RING_TX_EN_REG); 311dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "TX(%u) RING EN: %s\n", i, 312dbaae5bbSGuangbin Huang value ? "enable" : "disable"); 313dbaae5bbSGuangbin Huang 314dbaae5bbSGuangbin Huang value = readl_relaxed(ring->tqp->io_base + 315dbaae5bbSGuangbin Huang HNS3_RING_RX_EN_REG); 316dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "RX(%u) RING EN: %s\n", i, 317dbaae5bbSGuangbin Huang value ? "enable" : "disable"); 318dbaae5bbSGuangbin Huang } 319dbaae5bbSGuangbin Huang 320dbaae5bbSGuangbin Huang dev_info(&h->pdev->dev, "\n"); 32157ceee2cSliuzhongzhu } 32257ceee2cSliuzhongzhu 32357ceee2cSliuzhongzhu return 0; 32457ceee2cSliuzhongzhu } 32557ceee2cSliuzhongzhu 3260c29d191Sliuzhongzhu static int hns3_dbg_queue_map(struct hnae3_handle *h) 3270c29d191Sliuzhongzhu { 3280c29d191Sliuzhongzhu struct hns3_nic_priv *priv = h->priv; 3290c29d191Sliuzhongzhu int i; 3300c29d191Sliuzhongzhu 3310c29d191Sliuzhongzhu if (!h->ae_algo->ops->get_global_queue_id) 3320c29d191Sliuzhongzhu return -EOPNOTSUPP; 3330c29d191Sliuzhongzhu 3340c29d191Sliuzhongzhu dev_info(&h->pdev->dev, "map info for queue id and vector id\n"); 3350c29d191Sliuzhongzhu dev_info(&h->pdev->dev, 3360c29d191Sliuzhongzhu "local queue id | global queue id | vector id\n"); 3370c29d191Sliuzhongzhu for (i = 0; i < h->kinfo.num_tqps; i++) { 3380c29d191Sliuzhongzhu u16 global_qid; 3390c29d191Sliuzhongzhu 3400c29d191Sliuzhongzhu global_qid = h->ae_algo->ops->get_global_queue_id(h, i); 3415f06b903SYunsheng Lin if (!priv->ring || !priv->ring[i].tqp_vector) 3420c29d191Sliuzhongzhu continue; 3430c29d191Sliuzhongzhu 3440c29d191Sliuzhongzhu dev_info(&h->pdev->dev, 345c5aaf176SJiaran Zhang " %4d %4u %4d\n", 3465f06b903SYunsheng Lin i, global_qid, priv->ring[i].tqp_vector->vector_irq); 3470c29d191Sliuzhongzhu } 3480c29d191Sliuzhongzhu 3490c29d191Sliuzhongzhu return 0; 3500c29d191Sliuzhongzhu } 3510c29d191Sliuzhongzhu 35277e91848SHuazhong Tan static const struct hns3_dbg_item rx_bd_info_items[] = { 35377e91848SHuazhong Tan { "BD_IDX", 3 }, 35477e91848SHuazhong Tan { "L234_INFO", 2 }, 35577e91848SHuazhong Tan { "PKT_LEN", 3 }, 35677e91848SHuazhong Tan { "SIZE", 4 }, 35777e91848SHuazhong Tan { "RSS_HASH", 4 }, 35877e91848SHuazhong Tan { "FD_ID", 2 }, 35977e91848SHuazhong Tan { "VLAN_TAG", 2 }, 36077e91848SHuazhong Tan { "O_DM_VLAN_ID_FB", 2 }, 36177e91848SHuazhong Tan { "OT_VLAN_TAG", 2 }, 36277e91848SHuazhong Tan { "BD_BASE_INFO", 2 }, 36377e91848SHuazhong Tan { "PTYPE", 2 }, 36477e91848SHuazhong Tan { "HW_CSUM", 2 }, 36577e91848SHuazhong Tan }; 36677e91848SHuazhong Tan 36777e91848SHuazhong Tan static void hns3_dump_rx_bd_info(struct hns3_nic_priv *priv, 36877e91848SHuazhong Tan struct hns3_desc *desc, char **result, int idx) 369122bedc5Sliuzhongzhu { 37077e91848SHuazhong Tan unsigned int j = 0; 371122bedc5Sliuzhongzhu 37277e91848SHuazhong Tan sprintf(result[j++], "%5d", idx); 37377e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.l234_info)); 37477e91848SHuazhong Tan sprintf(result[j++], "%7u", le16_to_cpu(desc->rx.pkt_len)); 37577e91848SHuazhong Tan sprintf(result[j++], "%4u", le16_to_cpu(desc->rx.size)); 37677e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.rss_hash)); 37777e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->rx.fd_id)); 37877e91848SHuazhong Tan sprintf(result[j++], "%8u", le16_to_cpu(desc->rx.vlan_tag)); 37977e91848SHuazhong Tan sprintf(result[j++], "%15u", le16_to_cpu(desc->rx.o_dm_vlan_id_fb)); 38077e91848SHuazhong Tan sprintf(result[j++], "%11u", le16_to_cpu(desc->rx.ot_vlan_tag)); 38177e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.bd_base_info)); 38277e91848SHuazhong Tan if (test_bit(HNS3_NIC_STATE_RXD_ADV_LAYOUT_ENABLE, &priv->state)) { 38377e91848SHuazhong Tan u32 ol_info = le32_to_cpu(desc->rx.ol_info); 384122bedc5Sliuzhongzhu 38577e91848SHuazhong Tan sprintf(result[j++], "%5lu", hnae3_get_field(ol_info, 38677e91848SHuazhong Tan HNS3_RXD_PTYPE_M, 38777e91848SHuazhong Tan HNS3_RXD_PTYPE_S)); 38877e91848SHuazhong Tan sprintf(result[j++], "%7u", le16_to_cpu(desc->csum)); 389b1533adaSHuazhong Tan } else { 39077e91848SHuazhong Tan sprintf(result[j++], "NA"); 39177e91848SHuazhong Tan sprintf(result[j++], "NA"); 39277e91848SHuazhong Tan } 393b1533adaSHuazhong Tan } 394b1533adaSHuazhong Tan 39577e91848SHuazhong Tan static int hns3_dbg_rx_bd_info(struct hns3_dbg_data *d, char *buf, int len) 39677e91848SHuazhong Tan { 39777e91848SHuazhong Tan char data_str[ARRAY_SIZE(rx_bd_info_items)][HNS3_DBG_DATA_STR_LEN]; 39877e91848SHuazhong Tan struct hns3_nic_priv *priv = d->handle->priv; 39977e91848SHuazhong Tan char *result[ARRAY_SIZE(rx_bd_info_items)]; 40077e91848SHuazhong Tan char content[HNS3_DBG_INFO_LEN]; 40177e91848SHuazhong Tan struct hns3_enet_ring *ring; 40277e91848SHuazhong Tan struct hns3_desc *desc; 40377e91848SHuazhong Tan unsigned int i; 40477e91848SHuazhong Tan int pos = 0; 405122bedc5Sliuzhongzhu 40677e91848SHuazhong Tan if (d->qid >= d->handle->kinfo.num_tqps) { 40777e91848SHuazhong Tan dev_err(&d->handle->pdev->dev, 40877e91848SHuazhong Tan "queue%u is not in use\n", d->qid); 40977e91848SHuazhong Tan return -EINVAL; 41077e91848SHuazhong Tan } 411122bedc5Sliuzhongzhu 41277e91848SHuazhong Tan for (i = 0; i < ARRAY_SIZE(rx_bd_info_items); i++) 41377e91848SHuazhong Tan result[i] = &data_str[i][0]; 414b1533adaSHuazhong Tan 41577e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, 41677e91848SHuazhong Tan "Queue %u rx bd info:\n", d->qid); 41777e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), rx_bd_info_items, 41877e91848SHuazhong Tan NULL, ARRAY_SIZE(rx_bd_info_items)); 41977e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 42077e91848SHuazhong Tan 42177e91848SHuazhong Tan ring = &priv->ring[d->qid + d->handle->kinfo.num_tqps]; 42277e91848SHuazhong Tan for (i = 0; i < ring->desc_num; i++) { 42377e91848SHuazhong Tan desc = &ring->desc[i]; 42477e91848SHuazhong Tan 42577e91848SHuazhong Tan hns3_dump_rx_bd_info(priv, desc, result, i); 42677e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), 42777e91848SHuazhong Tan rx_bd_info_items, (const char **)result, 42877e91848SHuazhong Tan ARRAY_SIZE(rx_bd_info_items)); 42977e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 43077e91848SHuazhong Tan } 43177e91848SHuazhong Tan 43277e91848SHuazhong Tan return 0; 43377e91848SHuazhong Tan } 43477e91848SHuazhong Tan 43577e91848SHuazhong Tan static const struct hns3_dbg_item tx_bd_info_items[] = { 43677e91848SHuazhong Tan { "BD_IDX", 5 }, 43777e91848SHuazhong Tan { "ADDRESS", 2 }, 43877e91848SHuazhong Tan { "VLAN_TAG", 2 }, 43977e91848SHuazhong Tan { "SIZE", 2 }, 44077e91848SHuazhong Tan { "T_CS_VLAN_TSO", 2 }, 44177e91848SHuazhong Tan { "OT_VLAN_TAG", 3 }, 44277e91848SHuazhong Tan { "TV", 2 }, 44377e91848SHuazhong Tan { "OLT_VLAN_LEN", 2}, 44477e91848SHuazhong Tan { "PAYLEN_OL4CS", 2}, 44577e91848SHuazhong Tan { "BD_FE_SC_VLD", 2}, 44677e91848SHuazhong Tan { "MSS_HW_CSUM", 0}, 44777e91848SHuazhong Tan }; 44877e91848SHuazhong Tan 44977e91848SHuazhong Tan static void hns3_dump_tx_bd_info(struct hns3_nic_priv *priv, 45077e91848SHuazhong Tan struct hns3_desc *desc, char **result, int idx) 45177e91848SHuazhong Tan { 45277e91848SHuazhong Tan unsigned int j = 0; 45377e91848SHuazhong Tan 45477e91848SHuazhong Tan sprintf(result[j++], "%6d", idx); 45577e91848SHuazhong Tan sprintf(result[j++], "%#llx", le64_to_cpu(desc->addr)); 45677e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.vlan_tag)); 45777e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.send_size)); 45877e91848SHuazhong Tan sprintf(result[j++], "%#x", 45977e91848SHuazhong Tan le32_to_cpu(desc->tx.type_cs_vlan_tso_len)); 46077e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.outer_vlan_tag)); 46177e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.tv)); 46277e91848SHuazhong Tan sprintf(result[j++], "%10u", 46377e91848SHuazhong Tan le32_to_cpu(desc->tx.ol_type_vlan_len_msec)); 46477e91848SHuazhong Tan sprintf(result[j++], "%#x", le32_to_cpu(desc->tx.paylen_ol4cs)); 46577e91848SHuazhong Tan sprintf(result[j++], "%#x", le16_to_cpu(desc->tx.bdtp_fe_sc_vld_ra_ri)); 46677e91848SHuazhong Tan sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.mss_hw_csum)); 46777e91848SHuazhong Tan } 46877e91848SHuazhong Tan 46977e91848SHuazhong Tan static int hns3_dbg_tx_bd_info(struct hns3_dbg_data *d, char *buf, int len) 47077e91848SHuazhong Tan { 47177e91848SHuazhong Tan char data_str[ARRAY_SIZE(tx_bd_info_items)][HNS3_DBG_DATA_STR_LEN]; 47277e91848SHuazhong Tan struct hns3_nic_priv *priv = d->handle->priv; 47377e91848SHuazhong Tan char *result[ARRAY_SIZE(tx_bd_info_items)]; 47477e91848SHuazhong Tan char content[HNS3_DBG_INFO_LEN]; 47577e91848SHuazhong Tan struct hns3_enet_ring *ring; 47677e91848SHuazhong Tan struct hns3_desc *desc; 47777e91848SHuazhong Tan unsigned int i; 47877e91848SHuazhong Tan int pos = 0; 47977e91848SHuazhong Tan 48077e91848SHuazhong Tan if (d->qid >= d->handle->kinfo.num_tqps) { 48177e91848SHuazhong Tan dev_err(&d->handle->pdev->dev, 48277e91848SHuazhong Tan "queue%u is not in use\n", d->qid); 48377e91848SHuazhong Tan return -EINVAL; 48477e91848SHuazhong Tan } 48577e91848SHuazhong Tan 48677e91848SHuazhong Tan for (i = 0; i < ARRAY_SIZE(tx_bd_info_items); i++) 48777e91848SHuazhong Tan result[i] = &data_str[i][0]; 48877e91848SHuazhong Tan 48977e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, 49077e91848SHuazhong Tan "Queue %u tx bd info:\n", d->qid); 49177e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), tx_bd_info_items, 49277e91848SHuazhong Tan NULL, ARRAY_SIZE(tx_bd_info_items)); 49377e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 49477e91848SHuazhong Tan 49577e91848SHuazhong Tan ring = &priv->ring[d->qid]; 49677e91848SHuazhong Tan for (i = 0; i < ring->desc_num; i++) { 49777e91848SHuazhong Tan desc = &ring->desc[i]; 49877e91848SHuazhong Tan 49977e91848SHuazhong Tan hns3_dump_tx_bd_info(priv, desc, result, i); 50077e91848SHuazhong Tan hns3_dbg_fill_content(content, sizeof(content), 50177e91848SHuazhong Tan tx_bd_info_items, (const char **)result, 50277e91848SHuazhong Tan ARRAY_SIZE(tx_bd_info_items)); 50377e91848SHuazhong Tan pos += scnprintf(buf + pos, len - pos, "%s", content); 50477e91848SHuazhong Tan } 505122bedc5Sliuzhongzhu 506122bedc5Sliuzhongzhu return 0; 507122bedc5Sliuzhongzhu } 508122bedc5Sliuzhongzhu 509b2292360Sliuzhongzhu static void hns3_dbg_help(struct hnae3_handle *h) 510b2292360Sliuzhongzhu { 51127cf979aSliuzhongzhu #define HNS3_DBG_BUF_LEN 256 51227cf979aSliuzhongzhu 51327cf979aSliuzhongzhu char printf_buf[HNS3_DBG_BUF_LEN]; 51427cf979aSliuzhongzhu 515b2292360Sliuzhongzhu dev_info(&h->pdev->dev, "available commands\n"); 516ed5b255bSYufeng Mo dev_info(&h->pdev->dev, "queue info <number>\n"); 5170c29d191Sliuzhongzhu dev_info(&h->pdev->dev, "queue map\n"); 51897afd47bSYufeng Mo 51997afd47bSYufeng Mo if (!hns3_is_phys_func(h->pdev)) 52097afd47bSYufeng Mo return; 52197afd47bSYufeng Mo 522b2292360Sliuzhongzhu dev_info(&h->pdev->dev, "dump fd tcam\n"); 5232849d4e7Sliuzhongzhu dev_info(&h->pdev->dev, "dump tc\n"); 524ed5b255bSYufeng Mo dev_info(&h->pdev->dev, "dump tm map <q_num>\n"); 52596227f4cSliuzhongzhu dev_info(&h->pdev->dev, "dump tm\n"); 526d958919dSliuzhongzhu dev_info(&h->pdev->dev, "dump qos pause cfg\n"); 5276fc22440Sliuzhongzhu dev_info(&h->pdev->dev, "dump qos pri map\n"); 5287d9d7f88Sliuzhongzhu dev_info(&h->pdev->dev, "dump qos buf cfg\n"); 529a6345787SWeihang Li dev_info(&h->pdev->dev, "dump mac tnl status\n"); 53089ec9485SYonglong Liu dev_info(&h->pdev->dev, "dump qs shaper [qs id]\n"); 53127cf979aSliuzhongzhu 53227cf979aSliuzhongzhu memset(printf_buf, 0, HNS3_DBG_BUF_LEN); 533ed5b255bSYufeng Mo strncat(printf_buf, "dump reg [[bios common] [ssu <port_id>]", 53427cf979aSliuzhongzhu HNS3_DBG_BUF_LEN - 1); 53527cf979aSliuzhongzhu strncat(printf_buf + strlen(printf_buf), 536ed5b255bSYufeng Mo " [igu egu <port_id>] [rpu <tc_queue_num>]", 53727cf979aSliuzhongzhu HNS3_DBG_BUF_LEN - strlen(printf_buf) - 1); 53827cf979aSliuzhongzhu strncat(printf_buf + strlen(printf_buf), 5395cb51cfeSYufeng Mo " [rtc] [ppp] [rcb] [tqp <queue_num>] [mac]]\n", 54027cf979aSliuzhongzhu HNS3_DBG_BUF_LEN - strlen(printf_buf) - 1); 54127cf979aSliuzhongzhu dev_info(&h->pdev->dev, "%s", printf_buf); 542c0ebebb9Sliuzhongzhu 543c0ebebb9Sliuzhongzhu memset(printf_buf, 0, HNS3_DBG_BUF_LEN); 544ed5b255bSYufeng Mo strncat(printf_buf, "dump reg dcb <port_id> <pri_id> <pg_id>", 545c0ebebb9Sliuzhongzhu HNS3_DBG_BUF_LEN - 1); 546ed5b255bSYufeng Mo strncat(printf_buf + strlen(printf_buf), " <rq_id> <nq_id> <qset_id>\n", 547c0ebebb9Sliuzhongzhu HNS3_DBG_BUF_LEN - strlen(printf_buf) - 1); 548c0ebebb9Sliuzhongzhu dev_info(&h->pdev->dev, "%s", printf_buf); 549b2292360Sliuzhongzhu } 550b2292360Sliuzhongzhu 551c929bc2aSJiaran Zhang static void 552c929bc2aSJiaran Zhang hns3_dbg_dev_caps(struct hnae3_handle *h, char *buf, int len, int *pos) 5539484e337SGuangbin Huang { 5549484e337SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 555c929bc2aSJiaran Zhang static const char * const str[] = {"no", "yes"}; 556c929bc2aSJiaran Zhang unsigned long *caps = ae_dev->caps; 557c929bc2aSJiaran Zhang u32 i, state; 5589484e337SGuangbin Huang 559c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "dev capability:\n"); 5609484e337SGuangbin Huang 561c929bc2aSJiaran Zhang for (i = 0; i < ARRAY_SIZE(hns3_dbg_cap); i++) { 562c929bc2aSJiaran Zhang state = test_bit(hns3_dbg_cap[i].cap_bit, caps); 563c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "%s: %s\n", 564c929bc2aSJiaran Zhang hns3_dbg_cap[i].name, str[state]); 5659484e337SGuangbin Huang } 5669484e337SGuangbin Huang 567c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "\n"); 568c929bc2aSJiaran Zhang } 569c929bc2aSJiaran Zhang 570c929bc2aSJiaran Zhang static void 571c929bc2aSJiaran Zhang hns3_dbg_dev_specs(struct hnae3_handle *h, char *buf, int len, int *pos) 572b4442ec5SGuangbin Huang { 573b4442ec5SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev); 574b4442ec5SGuangbin Huang struct hnae3_dev_specs *dev_specs = &ae_dev->dev_specs; 575b4442ec5SGuangbin Huang struct hnae3_knic_private_info *kinfo = &h->kinfo; 576b4442ec5SGuangbin Huang 577c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "dev_spec:\n"); 578c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAC entry num: %u\n", 579c929bc2aSJiaran Zhang dev_specs->mac_entry_num); 580c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MNG entry num: %u\n", 581c929bc2aSJiaran Zhang dev_specs->mng_entry_num); 582c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX non tso bd num: %u\n", 583b4442ec5SGuangbin Huang dev_specs->max_non_tso_bd_num); 584c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RSS ind tbl size: %u\n", 585b4442ec5SGuangbin Huang dev_specs->rss_ind_tbl_size); 586c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RSS key size: %u\n", 587c929bc2aSJiaran Zhang dev_specs->rss_key_size); 588c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RSS size: %u\n", 589c929bc2aSJiaran Zhang kinfo->rss_size); 590c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "Allocated RSS size: %u\n", 591c929bc2aSJiaran Zhang kinfo->req_rss_size); 592c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, 593c929bc2aSJiaran Zhang "Task queue pairs numbers: %u\n", 594c929bc2aSJiaran Zhang kinfo->num_tqps); 595c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "RX buffer length: %u\n", 596c929bc2aSJiaran Zhang kinfo->rx_buf_len); 597c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "Desc num per TX queue: %u\n", 598c929bc2aSJiaran Zhang kinfo->num_tx_desc); 599c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "Desc num per RX queue: %u\n", 600c929bc2aSJiaran Zhang kinfo->num_rx_desc); 601c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, 602c929bc2aSJiaran Zhang "Total number of enabled TCs: %u\n", 60335244430SJian Shen kinfo->tc_info.num_tc); 604c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX INT QL: %u\n", 605c929bc2aSJiaran Zhang dev_specs->int_ql_max); 606c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX INT GL: %u\n", 607c929bc2aSJiaran Zhang dev_specs->max_int_gl); 608c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX TM RATE: %u\n", 609c929bc2aSJiaran Zhang dev_specs->max_tm_rate); 610c929bc2aSJiaran Zhang *pos += scnprintf(buf + *pos, len - *pos, "MAX QSET number: %u\n", 611c929bc2aSJiaran Zhang dev_specs->max_qset_num); 612c929bc2aSJiaran Zhang } 613c929bc2aSJiaran Zhang 614c929bc2aSJiaran Zhang static int hns3_dbg_dev_info(struct hnae3_handle *h, char *buf, int len) 615c929bc2aSJiaran Zhang { 616c929bc2aSJiaran Zhang int pos = 0; 617c929bc2aSJiaran Zhang 618c929bc2aSJiaran Zhang hns3_dbg_dev_caps(h, buf, len, &pos); 619c929bc2aSJiaran Zhang 620c929bc2aSJiaran Zhang hns3_dbg_dev_specs(h, buf, len, &pos); 621c929bc2aSJiaran Zhang 622c929bc2aSJiaran Zhang return 0; 623b4442ec5SGuangbin Huang } 624b4442ec5SGuangbin Huang 625b2292360Sliuzhongzhu static ssize_t hns3_dbg_cmd_read(struct file *filp, char __user *buffer, 626b2292360Sliuzhongzhu size_t count, loff_t *ppos) 627b2292360Sliuzhongzhu { 628b2292360Sliuzhongzhu int uncopy_bytes; 629b2292360Sliuzhongzhu char *buf; 630b2292360Sliuzhongzhu int len; 631b2292360Sliuzhongzhu 632b2292360Sliuzhongzhu if (*ppos != 0) 633b2292360Sliuzhongzhu return 0; 634b2292360Sliuzhongzhu 635b2292360Sliuzhongzhu if (count < HNS3_DBG_READ_LEN) 636b2292360Sliuzhongzhu return -ENOSPC; 637b2292360Sliuzhongzhu 638b2292360Sliuzhongzhu buf = kzalloc(HNS3_DBG_READ_LEN, GFP_KERNEL); 639b2292360Sliuzhongzhu if (!buf) 640b2292360Sliuzhongzhu return -ENOMEM; 641b2292360Sliuzhongzhu 64249e211c0SChen Zhou len = scnprintf(buf, HNS3_DBG_READ_LEN, "%s\n", 643b2292360Sliuzhongzhu "Please echo help to cmd to get help information"); 644b2292360Sliuzhongzhu uncopy_bytes = copy_to_user(buffer, buf, len); 645b2292360Sliuzhongzhu 646b2292360Sliuzhongzhu kfree(buf); 647b2292360Sliuzhongzhu 648b2292360Sliuzhongzhu if (uncopy_bytes) 649b2292360Sliuzhongzhu return -EFAULT; 650b2292360Sliuzhongzhu 651b2292360Sliuzhongzhu return (*ppos = len); 652b2292360Sliuzhongzhu } 653b2292360Sliuzhongzhu 654c318af3fSPeng Li static int hns3_dbg_check_cmd(struct hnae3_handle *handle, char *cmd_buf) 655c318af3fSPeng Li { 656c318af3fSPeng Li int ret = 0; 657c318af3fSPeng Li 658c318af3fSPeng Li if (strncmp(cmd_buf, "help", 4) == 0) 659c318af3fSPeng Li hns3_dbg_help(handle); 660c318af3fSPeng Li else if (strncmp(cmd_buf, "queue info", 10) == 0) 661c318af3fSPeng Li ret = hns3_dbg_queue_info(handle, cmd_buf); 662c318af3fSPeng Li else if (strncmp(cmd_buf, "queue map", 9) == 0) 663c318af3fSPeng Li ret = hns3_dbg_queue_map(handle); 664c318af3fSPeng Li else if (handle->ae_algo->ops->dbg_run_cmd) 665c318af3fSPeng Li ret = handle->ae_algo->ops->dbg_run_cmd(handle, cmd_buf); 666c318af3fSPeng Li else 667c318af3fSPeng Li ret = -EOPNOTSUPP; 668c318af3fSPeng Li 669c318af3fSPeng Li return ret; 670c318af3fSPeng Li } 671c318af3fSPeng Li 672b2292360Sliuzhongzhu static ssize_t hns3_dbg_cmd_write(struct file *filp, const char __user *buffer, 673b2292360Sliuzhongzhu size_t count, loff_t *ppos) 674b2292360Sliuzhongzhu { 675b2292360Sliuzhongzhu struct hnae3_handle *handle = filp->private_data; 67657ceee2cSliuzhongzhu struct hns3_nic_priv *priv = handle->priv; 677b2292360Sliuzhongzhu char *cmd_buf, *cmd_buf_tmp; 678b2292360Sliuzhongzhu int uncopied_bytes; 679c318af3fSPeng Li int ret; 680b2292360Sliuzhongzhu 681b2292360Sliuzhongzhu if (*ppos != 0) 682b2292360Sliuzhongzhu return 0; 683b2292360Sliuzhongzhu 68457ceee2cSliuzhongzhu /* Judge if the instance is being reset. */ 6857737f1fbSliuzhongzhu if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 68657ceee2cSliuzhongzhu test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) 68757ceee2cSliuzhongzhu return 0; 68857ceee2cSliuzhongzhu 6897ac243f9SYufeng Mo if (count > HNS3_DBG_WRITE_LEN) 6907ac243f9SYufeng Mo return -ENOSPC; 6917ac243f9SYufeng Mo 692b2292360Sliuzhongzhu cmd_buf = kzalloc(count + 1, GFP_KERNEL); 693b2292360Sliuzhongzhu if (!cmd_buf) 694b2292360Sliuzhongzhu return count; 695b2292360Sliuzhongzhu 696b2292360Sliuzhongzhu uncopied_bytes = copy_from_user(cmd_buf, buffer, count); 697b2292360Sliuzhongzhu if (uncopied_bytes) { 698b2292360Sliuzhongzhu kfree(cmd_buf); 699b2292360Sliuzhongzhu return -EFAULT; 700b2292360Sliuzhongzhu } 701b2292360Sliuzhongzhu 702b2292360Sliuzhongzhu cmd_buf[count] = '\0'; 703b2292360Sliuzhongzhu 704b2292360Sliuzhongzhu cmd_buf_tmp = strchr(cmd_buf, '\n'); 705b2292360Sliuzhongzhu if (cmd_buf_tmp) { 706b2292360Sliuzhongzhu *cmd_buf_tmp = '\0'; 707b2292360Sliuzhongzhu count = cmd_buf_tmp - cmd_buf + 1; 708b2292360Sliuzhongzhu } 709b2292360Sliuzhongzhu 710c318af3fSPeng Li ret = hns3_dbg_check_cmd(handle, cmd_buf); 711b2292360Sliuzhongzhu if (ret) 712b2292360Sliuzhongzhu hns3_dbg_help(handle); 713b2292360Sliuzhongzhu 714b2292360Sliuzhongzhu kfree(cmd_buf); 715b2292360Sliuzhongzhu cmd_buf = NULL; 716b2292360Sliuzhongzhu 717b2292360Sliuzhongzhu return count; 718b2292360Sliuzhongzhu } 719b2292360Sliuzhongzhu 7205e69ea7eSYufeng Mo static int hns3_dbg_get_cmd_index(struct hnae3_handle *handle, 7215e69ea7eSYufeng Mo const unsigned char *name, u32 *index) 7225e69ea7eSYufeng Mo { 7235e69ea7eSYufeng Mo u32 i; 7245e69ea7eSYufeng Mo 7255e69ea7eSYufeng Mo for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) { 7265e69ea7eSYufeng Mo if (!strncmp(name, hns3_dbg_cmd[i].name, 7275e69ea7eSYufeng Mo strlen(hns3_dbg_cmd[i].name))) { 7285e69ea7eSYufeng Mo *index = i; 7295e69ea7eSYufeng Mo return 0; 7305e69ea7eSYufeng Mo } 7315e69ea7eSYufeng Mo } 7325e69ea7eSYufeng Mo 7335e69ea7eSYufeng Mo dev_err(&handle->pdev->dev, "unknown command(%s)\n", name); 7345e69ea7eSYufeng Mo return -EINVAL; 7355e69ea7eSYufeng Mo } 7365e69ea7eSYufeng Mo 737c929bc2aSJiaran Zhang static const struct hns3_dbg_func hns3_dbg_cmd_func[] = { 738c929bc2aSJiaran Zhang { 739c929bc2aSJiaran Zhang .cmd = HNAE3_DBG_CMD_DEV_INFO, 740c929bc2aSJiaran Zhang .dbg_dump = hns3_dbg_dev_info, 741c929bc2aSJiaran Zhang }, 74277e91848SHuazhong Tan { 74377e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_TX_BD, 74477e91848SHuazhong Tan .dbg_dump_bd = hns3_dbg_tx_bd_info, 74577e91848SHuazhong Tan }, 74677e91848SHuazhong Tan { 74777e91848SHuazhong Tan .cmd = HNAE3_DBG_CMD_RX_BD, 74877e91848SHuazhong Tan .dbg_dump_bd = hns3_dbg_rx_bd_info, 74977e91848SHuazhong Tan }, 750c929bc2aSJiaran Zhang }; 751c929bc2aSJiaran Zhang 75277e91848SHuazhong Tan static int hns3_dbg_read_cmd(struct hns3_dbg_data *dbg_data, 7535e69ea7eSYufeng Mo enum hnae3_dbg_cmd cmd, char *buf, int len) 7545e69ea7eSYufeng Mo { 75577e91848SHuazhong Tan const struct hnae3_ae_ops *ops = dbg_data->handle->ae_algo->ops; 75677e91848SHuazhong Tan const struct hns3_dbg_func *cmd_func; 757c929bc2aSJiaran Zhang u32 i; 758c929bc2aSJiaran Zhang 759c929bc2aSJiaran Zhang for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd_func); i++) { 76077e91848SHuazhong Tan if (cmd == hns3_dbg_cmd_func[i].cmd) { 76177e91848SHuazhong Tan cmd_func = &hns3_dbg_cmd_func[i]; 76277e91848SHuazhong Tan if (cmd_func->dbg_dump) 76377e91848SHuazhong Tan return cmd_func->dbg_dump(dbg_data->handle, buf, 76477e91848SHuazhong Tan len); 76577e91848SHuazhong Tan else 76677e91848SHuazhong Tan return cmd_func->dbg_dump_bd(dbg_data, buf, 76777e91848SHuazhong Tan len); 76877e91848SHuazhong Tan } 769c929bc2aSJiaran Zhang } 7705e69ea7eSYufeng Mo 7715e69ea7eSYufeng Mo if (!ops->dbg_read_cmd) 7725e69ea7eSYufeng Mo return -EOPNOTSUPP; 7735e69ea7eSYufeng Mo 77477e91848SHuazhong Tan return ops->dbg_read_cmd(dbg_data->handle, cmd, buf, len); 7755e69ea7eSYufeng Mo } 7765e69ea7eSYufeng Mo 77704987ca1SGuangbin Huang static ssize_t hns3_dbg_read(struct file *filp, char __user *buffer, 77804987ca1SGuangbin Huang size_t count, loff_t *ppos) 77904987ca1SGuangbin Huang { 78077e91848SHuazhong Tan struct hns3_dbg_data *dbg_data = filp->private_data; 78177e91848SHuazhong Tan struct hnae3_handle *handle = dbg_data->handle; 78204987ca1SGuangbin Huang struct hns3_nic_priv *priv = handle->priv; 78304987ca1SGuangbin Huang ssize_t size = 0; 7845e69ea7eSYufeng Mo char **save_buf; 7855e69ea7eSYufeng Mo char *read_buf; 7865e69ea7eSYufeng Mo u32 index; 7875e69ea7eSYufeng Mo int ret; 78804987ca1SGuangbin Huang 7895e69ea7eSYufeng Mo ret = hns3_dbg_get_cmd_index(handle, filp->f_path.dentry->d_iname, 7905e69ea7eSYufeng Mo &index); 7915e69ea7eSYufeng Mo if (ret) 7925e69ea7eSYufeng Mo return ret; 7935e69ea7eSYufeng Mo 7945e69ea7eSYufeng Mo save_buf = &hns3_dbg_cmd[index].buf; 7955e69ea7eSYufeng Mo 7965e69ea7eSYufeng Mo if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || 7975e69ea7eSYufeng Mo test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) { 7985e69ea7eSYufeng Mo ret = -EBUSY; 7995e69ea7eSYufeng Mo goto out; 8005e69ea7eSYufeng Mo } 8015e69ea7eSYufeng Mo 8025e69ea7eSYufeng Mo if (*save_buf) { 8035e69ea7eSYufeng Mo read_buf = *save_buf; 8045e69ea7eSYufeng Mo } else { 8055e69ea7eSYufeng Mo read_buf = kvzalloc(hns3_dbg_cmd[index].buf_len, GFP_KERNEL); 80604987ca1SGuangbin Huang if (!read_buf) 80704987ca1SGuangbin Huang return -ENOMEM; 80804987ca1SGuangbin Huang 8095e69ea7eSYufeng Mo /* save the buffer addr until the last read operation */ 8105e69ea7eSYufeng Mo *save_buf = read_buf; 8115e69ea7eSYufeng Mo } 81204987ca1SGuangbin Huang 8135e69ea7eSYufeng Mo /* get data ready for the first time to read */ 8145e69ea7eSYufeng Mo if (!*ppos) { 81577e91848SHuazhong Tan ret = hns3_dbg_read_cmd(dbg_data, hns3_dbg_cmd[index].cmd, 8165e69ea7eSYufeng Mo read_buf, hns3_dbg_cmd[index].buf_len); 8175e69ea7eSYufeng Mo if (ret) 81804987ca1SGuangbin Huang goto out; 81904987ca1SGuangbin Huang } 82004987ca1SGuangbin Huang 82104987ca1SGuangbin Huang size = simple_read_from_buffer(buffer, count, ppos, read_buf, 82204987ca1SGuangbin Huang strlen(read_buf)); 8235e69ea7eSYufeng Mo if (size > 0) 8245e69ea7eSYufeng Mo return size; 82504987ca1SGuangbin Huang 82604987ca1SGuangbin Huang out: 8275e69ea7eSYufeng Mo /* free the buffer for the last read operation */ 8285e69ea7eSYufeng Mo if (*save_buf) { 8295e69ea7eSYufeng Mo kvfree(*save_buf); 8305e69ea7eSYufeng Mo *save_buf = NULL; 8315e69ea7eSYufeng Mo } 8325e69ea7eSYufeng Mo 8335e69ea7eSYufeng Mo return ret; 83404987ca1SGuangbin Huang } 83504987ca1SGuangbin Huang 836b2292360Sliuzhongzhu static const struct file_operations hns3_dbg_cmd_fops = { 837b2292360Sliuzhongzhu .owner = THIS_MODULE, 838b2292360Sliuzhongzhu .open = simple_open, 839b2292360Sliuzhongzhu .read = hns3_dbg_cmd_read, 840b2292360Sliuzhongzhu .write = hns3_dbg_cmd_write, 841b2292360Sliuzhongzhu }; 842b2292360Sliuzhongzhu 84304987ca1SGuangbin Huang static const struct file_operations hns3_dbg_fops = { 84404987ca1SGuangbin Huang .owner = THIS_MODULE, 84504987ca1SGuangbin Huang .open = simple_open, 84604987ca1SGuangbin Huang .read = hns3_dbg_read, 84704987ca1SGuangbin Huang }; 84804987ca1SGuangbin Huang 84977e91848SHuazhong Tan static int hns3_dbg_bd_file_init(struct hnae3_handle *handle, u32 cmd) 85077e91848SHuazhong Tan { 85177e91848SHuazhong Tan struct dentry *entry_dir; 85277e91848SHuazhong Tan struct hns3_dbg_data *data; 85377e91848SHuazhong Tan u16 max_queue_num; 85477e91848SHuazhong Tan unsigned int i; 85577e91848SHuazhong Tan 85677e91848SHuazhong Tan entry_dir = hns3_dbg_dentry[hns3_dbg_cmd[cmd].dentry].dentry; 85777e91848SHuazhong Tan max_queue_num = hns3_get_max_available_channels(handle); 85877e91848SHuazhong Tan data = devm_kzalloc(&handle->pdev->dev, max_queue_num * sizeof(*data), 85977e91848SHuazhong Tan GFP_KERNEL); 86077e91848SHuazhong Tan if (!data) 86177e91848SHuazhong Tan return -ENOMEM; 86277e91848SHuazhong Tan 86377e91848SHuazhong Tan for (i = 0; i < max_queue_num; i++) { 86477e91848SHuazhong Tan char name[HNS3_DBG_FILE_NAME_LEN]; 86577e91848SHuazhong Tan 86677e91848SHuazhong Tan data[i].handle = handle; 86777e91848SHuazhong Tan data[i].qid = i; 86877e91848SHuazhong Tan sprintf(name, "%s%u", hns3_dbg_cmd[cmd].name, i); 86977e91848SHuazhong Tan debugfs_create_file(name, 0400, entry_dir, &data[i], 87077e91848SHuazhong Tan &hns3_dbg_fops); 87177e91848SHuazhong Tan } 87277e91848SHuazhong Tan 87377e91848SHuazhong Tan return 0; 87477e91848SHuazhong Tan } 87577e91848SHuazhong Tan 8765e69ea7eSYufeng Mo static int 8775e69ea7eSYufeng Mo hns3_dbg_common_file_init(struct hnae3_handle *handle, u32 cmd) 8785e69ea7eSYufeng Mo { 87977e91848SHuazhong Tan struct hns3_dbg_data *data; 8805e69ea7eSYufeng Mo struct dentry *entry_dir; 8815e69ea7eSYufeng Mo 88277e91848SHuazhong Tan data = devm_kzalloc(&handle->pdev->dev, sizeof(*data), GFP_KERNEL); 88377e91848SHuazhong Tan if (!data) 88477e91848SHuazhong Tan return -ENOMEM; 88577e91848SHuazhong Tan 88677e91848SHuazhong Tan data->handle = handle; 8875e69ea7eSYufeng Mo entry_dir = hns3_dbg_dentry[hns3_dbg_cmd[cmd].dentry].dentry; 8885e69ea7eSYufeng Mo debugfs_create_file(hns3_dbg_cmd[cmd].name, 0400, entry_dir, 88977e91848SHuazhong Tan data, &hns3_dbg_fops); 8905e69ea7eSYufeng Mo 8915e69ea7eSYufeng Mo return 0; 8925e69ea7eSYufeng Mo } 8935e69ea7eSYufeng Mo 8945e69ea7eSYufeng Mo int hns3_dbg_init(struct hnae3_handle *handle) 895b2292360Sliuzhongzhu { 89604987ca1SGuangbin Huang struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev); 897b2292360Sliuzhongzhu const char *name = pci_name(handle->pdev); 8985e69ea7eSYufeng Mo int ret; 8995e69ea7eSYufeng Mo u32 i; 900b2292360Sliuzhongzhu 9015e69ea7eSYufeng Mo hns3_dbg_dentry[HNS3_DBG_DENTRY_COMMON].dentry = 9025e69ea7eSYufeng Mo debugfs_create_dir(name, hns3_dbgfs_root); 9035e69ea7eSYufeng Mo handle->hnae3_dbgfs = hns3_dbg_dentry[HNS3_DBG_DENTRY_COMMON].dentry; 904b2292360Sliuzhongzhu 90511ab11e6SGreg Kroah-Hartman debugfs_create_file("cmd", 0600, handle->hnae3_dbgfs, handle, 906b2292360Sliuzhongzhu &hns3_dbg_cmd_fops); 90704987ca1SGuangbin Huang 9085e69ea7eSYufeng Mo for (i = 0; i < HNS3_DBG_DENTRY_COMMON; i++) 9095e69ea7eSYufeng Mo hns3_dbg_dentry[i].dentry = 9105e69ea7eSYufeng Mo debugfs_create_dir(hns3_dbg_dentry[i].name, 9115e69ea7eSYufeng Mo handle->hnae3_dbgfs); 9125e69ea7eSYufeng Mo 9135e69ea7eSYufeng Mo for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) { 9145e69ea7eSYufeng Mo if (hns3_dbg_cmd[i].cmd == HNAE3_DBG_CMD_TM_NODES && 9155e69ea7eSYufeng Mo ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2) 9165e69ea7eSYufeng Mo continue; 9175e69ea7eSYufeng Mo 9185e69ea7eSYufeng Mo if (!hns3_dbg_cmd[i].init) { 9195e69ea7eSYufeng Mo dev_err(&handle->pdev->dev, 9205e69ea7eSYufeng Mo "cmd %s lack of init func\n", 9215e69ea7eSYufeng Mo hns3_dbg_cmd[i].name); 9225e69ea7eSYufeng Mo ret = -EINVAL; 9235e69ea7eSYufeng Mo goto out; 9245e69ea7eSYufeng Mo } 9255e69ea7eSYufeng Mo 9265e69ea7eSYufeng Mo ret = hns3_dbg_cmd[i].init(handle, i); 9275e69ea7eSYufeng Mo if (ret) { 9285e69ea7eSYufeng Mo dev_err(&handle->pdev->dev, "failed to init cmd %s\n", 9295e69ea7eSYufeng Mo hns3_dbg_cmd[i].name); 9305e69ea7eSYufeng Mo goto out; 9315e69ea7eSYufeng Mo } 9325e69ea7eSYufeng Mo } 9335e69ea7eSYufeng Mo 9345e69ea7eSYufeng Mo return 0; 9355e69ea7eSYufeng Mo 9365e69ea7eSYufeng Mo out: 9375e69ea7eSYufeng Mo debugfs_remove_recursive(handle->hnae3_dbgfs); 9385e69ea7eSYufeng Mo handle->hnae3_dbgfs = NULL; 9395e69ea7eSYufeng Mo return ret; 940b2292360Sliuzhongzhu } 941b2292360Sliuzhongzhu 942b2292360Sliuzhongzhu void hns3_dbg_uninit(struct hnae3_handle *handle) 943b2292360Sliuzhongzhu { 9445e69ea7eSYufeng Mo u32 i; 9455e69ea7eSYufeng Mo 9465e69ea7eSYufeng Mo for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) 9475e69ea7eSYufeng Mo if (hns3_dbg_cmd[i].buf) { 9485e69ea7eSYufeng Mo kvfree(hns3_dbg_cmd[i].buf); 9495e69ea7eSYufeng Mo hns3_dbg_cmd[i].buf = NULL; 9505e69ea7eSYufeng Mo } 9515e69ea7eSYufeng Mo 952b2292360Sliuzhongzhu debugfs_remove_recursive(handle->hnae3_dbgfs); 953b2292360Sliuzhongzhu handle->hnae3_dbgfs = NULL; 954b2292360Sliuzhongzhu } 955b2292360Sliuzhongzhu 956b2292360Sliuzhongzhu void hns3_dbg_register_debugfs(const char *debugfs_dir_name) 957b2292360Sliuzhongzhu { 958b2292360Sliuzhongzhu hns3_dbgfs_root = debugfs_create_dir(debugfs_dir_name, NULL); 959b2292360Sliuzhongzhu } 960b2292360Sliuzhongzhu 961b2292360Sliuzhongzhu void hns3_dbg_unregister_debugfs(void) 962b2292360Sliuzhongzhu { 963b2292360Sliuzhongzhu debugfs_remove_recursive(hns3_dbgfs_root); 964b2292360Sliuzhongzhu hns3_dbgfs_root = NULL; 965b2292360Sliuzhongzhu } 966