UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity
OpenCloudOS-Kernel/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c

1024 lines
27 KiB
C
Raw Blame History

// SPDX-License-Identifier: GPL-2.0+
/* Copyright (c) 2018-2019 Hisilicon Limited. */
#include <linux/debugfs.h>
#include <linux/device.h>
#include "hnae3.h"
#include "hns3_debugfs.h"
#include "hns3_enet.h"
static struct dentry *hns3_dbgfs_root;
static struct hns3_dbg_dentry_info hns3_dbg_dentry[] = {
{
.name = "tm"
},
{
.name = "tx_bd_info"
},
{
.name = "rx_bd_info"
},
{
.name = "mac_list"
},
{
.name = "reg"
},
/* keep common at the bottom and add new directory above */
{
.name = "common"
},
};
static int hns3_dbg_bd_file_init(struct hnae3_handle *handle, unsigned int cmd);
static int hns3_dbg_common_file_init(struct hnae3_handle *handle,
unsigned int cmd);
static struct hns3_dbg_cmd_info hns3_dbg_cmd[] = {
{
.name = "tm_nodes",
.cmd = HNAE3_DBG_CMD_TM_NODES,
.dentry = HNS3_DBG_DENTRY_TM,
.buf_len = HNS3_DBG_READ_LEN,
.init = hns3_dbg_common_file_init,
},
{
.name = "tm_priority",
.cmd = HNAE3_DBG_CMD_TM_PRI,
.dentry = HNS3_DBG_DENTRY_TM,
.buf_len = HNS3_DBG_READ_LEN,
.init = hns3_dbg_common_file_init,
},
{
.name = "tm_qset",
.cmd = HNAE3_DBG_CMD_TM_QSET,
.dentry = HNS3_DBG_DENTRY_TM,
.buf_len = HNS3_DBG_READ_LEN,
.init = hns3_dbg_common_file_init,
},
{
.name = "dev_info",
.cmd = HNAE3_DBG_CMD_DEV_INFO,
.dentry = HNS3_DBG_DENTRY_COMMON,
.buf_len = HNS3_DBG_READ_LEN,
.init = hns3_dbg_common_file_init,
},
{
.name = "tx_bd_queue",
.cmd = HNAE3_DBG_CMD_TX_BD,
.dentry = HNS3_DBG_DENTRY_TX_BD,
.buf_len = HNS3_DBG_READ_LEN_4MB,
.init = hns3_dbg_bd_file_init,
},
{
.name = "rx_bd_queue",
.cmd = HNAE3_DBG_CMD_RX_BD,
.dentry = HNS3_DBG_DENTRY_RX_BD,
.buf_len = HNS3_DBG_READ_LEN_4MB,
.init = hns3_dbg_bd_file_init,
},
{
.name = "uc",
.cmd = HNAE3_DBG_CMD_MAC_UC,
.dentry = HNS3_DBG_DENTRY_MAC,
.buf_len = HNS3_DBG_READ_LEN,
.init = hns3_dbg_common_file_init,
},
{
.name = "mc",
.cmd = HNAE3_DBG_CMD_MAC_MC,
.dentry = HNS3_DBG_DENTRY_MAC,
.buf_len = HNS3_DBG_READ_LEN,
.init = hns3_dbg_common_file_init,
},
{
.name = "mng_tbl",
.cmd = HNAE3_DBG_CMD_MNG_TBL,
.dentry = HNS3_DBG_DENTRY_COMMON,
.buf_len = HNS3_DBG_READ_LEN,
.init = hns3_dbg_common_file_init,
},
{
.name = "loopback",
.cmd = HNAE3_DBG_CMD_LOOPBACK,
.dentry = HNS3_DBG_DENTRY_COMMON,
.buf_len = HNS3_DBG_READ_LEN,
.init = hns3_dbg_common_file_init,
},
{
.name = "interrupt_info",
.cmd = HNAE3_DBG_CMD_INTERRUPT_INFO,
.dentry = HNS3_DBG_DENTRY_COMMON,
.buf_len = HNS3_DBG_READ_LEN,
.init = hns3_dbg_common_file_init,
},
{
.name = "reset_info",
.cmd = HNAE3_DBG_CMD_RESET_INFO,
.dentry = HNS3_DBG_DENTRY_COMMON,
.buf_len = HNS3_DBG_READ_LEN,
.init = hns3_dbg_common_file_init,
},
{
.name = "imp_info",
.cmd = HNAE3_DBG_CMD_IMP_INFO,
.dentry = HNS3_DBG_DENTRY_COMMON,
.buf_len = HNS3_DBG_READ_LEN,
.init = hns3_dbg_common_file_init,
},
{
.name = "ncl_config",
.cmd = HNAE3_DBG_CMD_NCL_CONFIG,
.dentry = HNS3_DBG_DENTRY_COMMON,
.buf_len = HNS3_DBG_READ_LEN_128KB,
.init = hns3_dbg_common_file_init,
},
{
.name = "bios_common",
.cmd = HNAE3_DBG_CMD_REG_BIOS_COMMON,
.dentry = HNS3_DBG_DENTRY_REG,
.buf_len = HNS3_DBG_READ_LEN,
.init = hns3_dbg_common_file_init,
},
{
.name = "ssu",
.cmd = HNAE3_DBG_CMD_REG_SSU,
.dentry = HNS3_DBG_DENTRY_REG,
.buf_len = HNS3_DBG_READ_LEN,
.init = hns3_dbg_common_file_init,
},
{
.name = "igu_egu",
.cmd = HNAE3_DBG_CMD_REG_IGU_EGU,
.dentry = HNS3_DBG_DENTRY_REG,
.buf_len = HNS3_DBG_READ_LEN,
.init = hns3_dbg_common_file_init,
},
{
.name = "rpu",
.cmd = HNAE3_DBG_CMD_REG_RPU,
.dentry = HNS3_DBG_DENTRY_REG,
.buf_len = HNS3_DBG_READ_LEN,
.init = hns3_dbg_common_file_init,
},
{
.name = "ncsi",
.cmd = HNAE3_DBG_CMD_REG_NCSI,
.dentry = HNS3_DBG_DENTRY_REG,
.buf_len = HNS3_DBG_READ_LEN,
.init = hns3_dbg_common_file_init,
},
{
.name = "rtc",
.cmd = HNAE3_DBG_CMD_REG_RTC,
.dentry = HNS3_DBG_DENTRY_REG,
.buf_len = HNS3_DBG_READ_LEN,
.init = hns3_dbg_common_file_init,
},
{
.name = "ppp",
.cmd = HNAE3_DBG_CMD_REG_PPP,
.dentry = HNS3_DBG_DENTRY_REG,
.buf_len = HNS3_DBG_READ_LEN,
.init = hns3_dbg_common_file_init,
},
{
.name = "rcb",
.cmd = HNAE3_DBG_CMD_REG_RCB,
.dentry = HNS3_DBG_DENTRY_REG,
.buf_len = HNS3_DBG_READ_LEN,
.init = hns3_dbg_common_file_init,
},
{
.name = "tqp",
.cmd = HNAE3_DBG_CMD_REG_TQP,
.dentry = HNS3_DBG_DENTRY_REG,
.buf_len = HNS3_DBG_READ_LEN,
.init = hns3_dbg_common_file_init,
},
{
.name = "mac",
.cmd = HNAE3_DBG_CMD_REG_MAC,
.dentry = HNS3_DBG_DENTRY_REG,
.buf_len = HNS3_DBG_READ_LEN,
.init = hns3_dbg_common_file_init,
},
{
.name = "dcb",
.cmd = HNAE3_DBG_CMD_REG_DCB,
.dentry = HNS3_DBG_DENTRY_REG,
.buf_len = HNS3_DBG_READ_LEN,
.init = hns3_dbg_common_file_init,
},
};
static struct hns3_dbg_cap_info hns3_dbg_cap[] = {
{
.name = "support FD",
.cap_bit = HNAE3_DEV_SUPPORT_FD_B,
}, {
.name = "support GRO",
.cap_bit = HNAE3_DEV_SUPPORT_GRO_B,
}, {
.name = "support FEC",
.cap_bit = HNAE3_DEV_SUPPORT_FEC_B,
}, {
.name = "support UDP GSO",
.cap_bit = HNAE3_DEV_SUPPORT_UDP_GSO_B,
}, {
.name = "support PTP",
.cap_bit = HNAE3_DEV_SUPPORT_PTP_B,
}, {
.name = "support INT QL",
.cap_bit = HNAE3_DEV_SUPPORT_INT_QL_B,
}, {
.name = "support HW TX csum",
.cap_bit = HNAE3_DEV_SUPPORT_HW_TX_CSUM_B,
}, {
.name = "support UDP tunnel csum",
.cap_bit = HNAE3_DEV_SUPPORT_UDP_TUNNEL_CSUM_B,
}, {
.name = "support TX push",
.cap_bit = HNAE3_DEV_SUPPORT_TX_PUSH_B,
}, {
.name = "support imp-controlled PHY",
.cap_bit = HNAE3_DEV_SUPPORT_PHY_IMP_B,
}, {
.name = "support rxd advanced layout",
.cap_bit = HNAE3_DEV_SUPPORT_RXD_ADV_LAYOUT_B,
},
};
static void hns3_dbg_fill_content(char *content, u16 len,
const struct hns3_dbg_item *items,
const char **result, u16 size)
{
char *pos = content;
u16 i;
memset(content, ' ', len);
for (i = 0; i < size; i++) {
if (result)
strncpy(pos, result[i], strlen(result[i]));
else
strncpy(pos, items[i].name, strlen(items[i].name));
pos += strlen(items[i].name) + items[i].interval;
}
*pos++ = '\n';
*pos++ = '\0';
}
static int hns3_dbg_queue_info(struct hnae3_handle *h,
const char *cmd_buf)
{
struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
struct hns3_nic_priv *priv = h->priv;
struct hns3_enet_ring *ring;
u32 base_add_l, base_add_h;
u32 queue_num, queue_max;
u32 value, i;
int cnt;
if (!priv->ring) {
dev_err(&h->pdev->dev, "priv->ring is NULL\n");
return -EFAULT;
}
queue_max = h->kinfo.num_tqps;
cnt = kstrtouint(&cmd_buf[11], 0, &queue_num);
if (cnt)
queue_num = 0;
else
queue_max = queue_num + 1;
dev_info(&h->pdev->dev, "queue info\n");
if (queue_num >= h->kinfo.num_tqps) {
dev_err(&h->pdev->dev,
"Queue number(%u) is out of range(0-%u)\n", queue_num,
h->kinfo.num_tqps - 1);
return -EINVAL;
}
for (i = queue_num; i < queue_max; i++) {
/* Each cycle needs to determine whether the instance is reset,
* to prevent reference to invalid memory. And need to ensure
* that the following code is executed within 100ms.
*/
if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) ||
test_bit(HNS3_NIC_STATE_RESETTING, &priv->state))
return -EPERM;
ring = &priv->ring[(u32)(i + h->kinfo.num_tqps)];
base_add_h = readl_relaxed(ring->tqp->io_base +
HNS3_RING_RX_RING_BASEADDR_H_REG);
base_add_l = readl_relaxed(ring->tqp->io_base +
HNS3_RING_RX_RING_BASEADDR_L_REG);
dev_info(&h->pdev->dev, "RX(%u) BASE ADD: 0x%08x%08x\n", i,
base_add_h, base_add_l);
value = readl_relaxed(ring->tqp->io_base +
HNS3_RING_RX_RING_BD_NUM_REG);
dev_info(&h->pdev->dev, "RX(%u) RING BD NUM: %u\n", i, value);
value = readl_relaxed(ring->tqp->io_base +
HNS3_RING_RX_RING_BD_LEN_REG);
dev_info(&h->pdev->dev, "RX(%u) RING BD LEN: %u\n", i, value);
value = readl_relaxed(ring->tqp->io_base +
HNS3_RING_RX_RING_TAIL_REG);
dev_info(&h->pdev->dev, "RX(%u) RING TAIL: %u\n", i, value);
value = readl_relaxed(ring->tqp->io_base +
HNS3_RING_RX_RING_HEAD_REG);
dev_info(&h->pdev->dev, "RX(%u) RING HEAD: %u\n", i, value);
value = readl_relaxed(ring->tqp->io_base +
HNS3_RING_RX_RING_FBDNUM_REG);
dev_info(&h->pdev->dev, "RX(%u) RING FBDNUM: %u\n", i, value);
value = readl_relaxed(ring->tqp->io_base +
HNS3_RING_RX_RING_PKTNUM_RECORD_REG);
dev_info(&h->pdev->dev, "RX(%u) RING PKTNUM: %u\n", i, value);
ring = &priv->ring[i];
base_add_h = readl_relaxed(ring->tqp->io_base +
HNS3_RING_TX_RING_BASEADDR_H_REG);
base_add_l = readl_relaxed(ring->tqp->io_base +
HNS3_RING_TX_RING_BASEADDR_L_REG);
dev_info(&h->pdev->dev, "TX(%u) BASE ADD: 0x%08x%08x\n", i,
base_add_h, base_add_l);
value = readl_relaxed(ring->tqp->io_base +
HNS3_RING_TX_RING_BD_NUM_REG);
dev_info(&h->pdev->dev, "TX(%u) RING BD NUM: %u\n", i, value);
value = readl_relaxed(ring->tqp->io_base +
HNS3_RING_TX_RING_TC_REG);
dev_info(&h->pdev->dev, "TX(%u) RING TC: %u\n", i, value);
value = readl_relaxed(ring->tqp->io_base +
HNS3_RING_TX_RING_TAIL_REG);
dev_info(&h->pdev->dev, "TX(%u) RING TAIL: %u\n", i, value);
value = readl_relaxed(ring->tqp->io_base +
HNS3_RING_TX_RING_HEAD_REG);
dev_info(&h->pdev->dev, "TX(%u) RING HEAD: %u\n", i, value);
value = readl_relaxed(ring->tqp->io_base +
HNS3_RING_TX_RING_FBDNUM_REG);
dev_info(&h->pdev->dev, "TX(%u) RING FBDNUM: %u\n", i, value);
value = readl_relaxed(ring->tqp->io_base +
HNS3_RING_TX_RING_OFFSET_REG);
dev_info(&h->pdev->dev, "TX(%u) RING OFFSET: %u\n", i, value);
value = readl_relaxed(ring->tqp->io_base +
HNS3_RING_TX_RING_PKTNUM_RECORD_REG);
dev_info(&h->pdev->dev, "TX(%u) RING PKTNUM: %u\n", i, value);
value = readl_relaxed(ring->tqp->io_base + HNS3_RING_EN_REG);
dev_info(&h->pdev->dev, "TX/RX(%u) RING EN: %s\n", i,
value ? "enable" : "disable");
if (hnae3_ae_dev_tqp_txrx_indep_supported(ae_dev)) {
value = readl_relaxed(ring->tqp->io_base +
HNS3_RING_TX_EN_REG);
dev_info(&h->pdev->dev, "TX(%u) RING EN: %s\n", i,
value ? "enable" : "disable");
value = readl_relaxed(ring->tqp->io_base +
HNS3_RING_RX_EN_REG);
dev_info(&h->pdev->dev, "RX(%u) RING EN: %s\n", i,
value ? "enable" : "disable");
}
dev_info(&h->pdev->dev, "\n");
}
return 0;
}
static int hns3_dbg_queue_map(struct hnae3_handle *h)
{
struct hns3_nic_priv *priv = h->priv;
int i;
if (!h->ae_algo->ops->get_global_queue_id)
return -EOPNOTSUPP;
dev_info(&h->pdev->dev, "map info for queue id and vector id\n");
dev_info(&h->pdev->dev,
"local queue id | global queue id | vector id\n");
for (i = 0; i < h->kinfo.num_tqps; i++) {
u16 global_qid;
global_qid = h->ae_algo->ops->get_global_queue_id(h, i);
if (!priv->ring || !priv->ring[i].tqp_vector)
continue;
dev_info(&h->pdev->dev,
" %4d %4u %4d\n",
i, global_qid, priv->ring[i].tqp_vector->vector_irq);
}
return 0;
}
static const struct hns3_dbg_item rx_bd_info_items[] = {
{ "BD_IDX", 3 },
{ "L234_INFO", 2 },
{ "PKT_LEN", 3 },
{ "SIZE", 4 },
{ "RSS_HASH", 4 },
{ "FD_ID", 2 },
{ "VLAN_TAG", 2 },
{ "O_DM_VLAN_ID_FB", 2 },
{ "OT_VLAN_TAG", 2 },
{ "BD_BASE_INFO", 2 },
{ "PTYPE", 2 },
{ "HW_CSUM", 2 },
};
static void hns3_dump_rx_bd_info(struct hns3_nic_priv *priv,
struct hns3_desc *desc, char **result, int idx)
{
unsigned int j = 0;
sprintf(result[j++], "%5d", idx);
sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.l234_info));
sprintf(result[j++], "%7u", le16_to_cpu(desc->rx.pkt_len));
sprintf(result[j++], "%4u", le16_to_cpu(desc->rx.size));
sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.rss_hash));
sprintf(result[j++], "%5u", le16_to_cpu(desc->rx.fd_id));
sprintf(result[j++], "%8u", le16_to_cpu(desc->rx.vlan_tag));
sprintf(result[j++], "%15u", le16_to_cpu(desc->rx.o_dm_vlan_id_fb));
sprintf(result[j++], "%11u", le16_to_cpu(desc->rx.ot_vlan_tag));
sprintf(result[j++], "%#x", le32_to_cpu(desc->rx.bd_base_info));
if (test_bit(HNS3_NIC_STATE_RXD_ADV_LAYOUT_ENABLE, &priv->state)) {
u32 ol_info = le32_to_cpu(desc->rx.ol_info);
sprintf(result[j++], "%5lu", hnae3_get_field(ol_info,
HNS3_RXD_PTYPE_M,
HNS3_RXD_PTYPE_S));
sprintf(result[j++], "%7u", le16_to_cpu(desc->csum));
} else {
sprintf(result[j++], "NA");
sprintf(result[j++], "NA");
}
}
static int hns3_dbg_rx_bd_info(struct hns3_dbg_data *d, char *buf, int len)
{
char data_str[ARRAY_SIZE(rx_bd_info_items)][HNS3_DBG_DATA_STR_LEN];
struct hns3_nic_priv *priv = d->handle->priv;
char *result[ARRAY_SIZE(rx_bd_info_items)];
char content[HNS3_DBG_INFO_LEN];
struct hns3_enet_ring *ring;
struct hns3_desc *desc;
unsigned int i;
int pos = 0;
if (d->qid >= d->handle->kinfo.num_tqps) {
dev_err(&d->handle->pdev->dev,
"queue%u is not in use\n", d->qid);
return -EINVAL;
}
for (i = 0; i < ARRAY_SIZE(rx_bd_info_items); i++)
result[i] = &data_str[i][0];
pos += scnprintf(buf + pos, len - pos,
"Queue %u rx bd info:\n", d->qid);
hns3_dbg_fill_content(content, sizeof(content), rx_bd_info_items,
NULL, ARRAY_SIZE(rx_bd_info_items));
pos += scnprintf(buf + pos, len - pos, "%s", content);
ring = &priv->ring[d->qid + d->handle->kinfo.num_tqps];
for (i = 0; i < ring->desc_num; i++) {
desc = &ring->desc[i];
hns3_dump_rx_bd_info(priv, desc, result, i);
hns3_dbg_fill_content(content, sizeof(content),
rx_bd_info_items, (const char **)result,
ARRAY_SIZE(rx_bd_info_items));
pos += scnprintf(buf + pos, len - pos, "%s", content);
}
return 0;
}
static const struct hns3_dbg_item tx_bd_info_items[] = {
{ "BD_IDX", 5 },
{ "ADDRESS", 2 },
{ "VLAN_TAG", 2 },
{ "SIZE", 2 },
{ "T_CS_VLAN_TSO", 2 },
{ "OT_VLAN_TAG", 3 },
{ "TV", 2 },
{ "OLT_VLAN_LEN", 2},
{ "PAYLEN_OL4CS", 2},
{ "BD_FE_SC_VLD", 2},
{ "MSS_HW_CSUM", 0},
};
static void hns3_dump_tx_bd_info(struct hns3_nic_priv *priv,
struct hns3_desc *desc, char **result, int idx)
{
unsigned int j = 0;
sprintf(result[j++], "%6d", idx);
sprintf(result[j++], "%#llx", le64_to_cpu(desc->addr));
sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.vlan_tag));
sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.send_size));
sprintf(result[j++], "%#x",
le32_to_cpu(desc->tx.type_cs_vlan_tso_len));
sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.outer_vlan_tag));
sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.tv));
sprintf(result[j++], "%10u",
le32_to_cpu(desc->tx.ol_type_vlan_len_msec));
sprintf(result[j++], "%#x", le32_to_cpu(desc->tx.paylen_ol4cs));
sprintf(result[j++], "%#x", le16_to_cpu(desc->tx.bdtp_fe_sc_vld_ra_ri));
sprintf(result[j++], "%5u", le16_to_cpu(desc->tx.mss_hw_csum));
}
static int hns3_dbg_tx_bd_info(struct hns3_dbg_data *d, char *buf, int len)
{
char data_str[ARRAY_SIZE(tx_bd_info_items)][HNS3_DBG_DATA_STR_LEN];
struct hns3_nic_priv *priv = d->handle->priv;
char *result[ARRAY_SIZE(tx_bd_info_items)];
char content[HNS3_DBG_INFO_LEN];
struct hns3_enet_ring *ring;
struct hns3_desc *desc;
unsigned int i;
int pos = 0;
if (d->qid >= d->handle->kinfo.num_tqps) {
dev_err(&d->handle->pdev->dev,
"queue%u is not in use\n", d->qid);
return -EINVAL;
}
for (i = 0; i < ARRAY_SIZE(tx_bd_info_items); i++)
result[i] = &data_str[i][0];
pos += scnprintf(buf + pos, len - pos,
"Queue %u tx bd info:\n", d->qid);
hns3_dbg_fill_content(content, sizeof(content), tx_bd_info_items,
NULL, ARRAY_SIZE(tx_bd_info_items));
pos += scnprintf(buf + pos, len - pos, "%s", content);
ring = &priv->ring[d->qid];
for (i = 0; i < ring->desc_num; i++) {
desc = &ring->desc[i];
hns3_dump_tx_bd_info(priv, desc, result, i);
hns3_dbg_fill_content(content, sizeof(content),
tx_bd_info_items, (const char **)result,
ARRAY_SIZE(tx_bd_info_items));
pos += scnprintf(buf + pos, len - pos, "%s", content);
}
return 0;
}
static void hns3_dbg_help(struct hnae3_handle *h)
{
dev_info(&h->pdev->dev, "available commands\n");
dev_info(&h->pdev->dev, "queue info <number>\n");
dev_info(&h->pdev->dev, "queue map\n");
if (!hns3_is_phys_func(h->pdev))
return;
dev_info(&h->pdev->dev, "dump fd tcam\n");
dev_info(&h->pdev->dev, "dump tc\n");
dev_info(&h->pdev->dev, "dump tm map <q_num>\n");
dev_info(&h->pdev->dev, "dump tm\n");
dev_info(&h->pdev->dev, "dump qos pause cfg\n");
dev_info(&h->pdev->dev, "dump qos pri map\n");
dev_info(&h->pdev->dev, "dump qos buf cfg\n");
dev_info(&h->pdev->dev, "dump mac tnl status\n");
dev_info(&h->pdev->dev, "dump qs shaper [qs id]\n");
}
static void
hns3_dbg_dev_caps(struct hnae3_handle *h, char *buf, int len, int *pos)
{
struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
static const char * const str[] = {"no", "yes"};
unsigned long *caps = ae_dev->caps;
u32 i, state;
*pos += scnprintf(buf + *pos, len - *pos, "dev capability:\n");
for (i = 0; i < ARRAY_SIZE(hns3_dbg_cap); i++) {
state = test_bit(hns3_dbg_cap[i].cap_bit, caps);
*pos += scnprintf(buf + *pos, len - *pos, "%s: %s\n",
hns3_dbg_cap[i].name, str[state]);
}
*pos += scnprintf(buf + *pos, len - *pos, "\n");
}
static void
hns3_dbg_dev_specs(struct hnae3_handle *h, char *buf, int len, int *pos)
{
struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
struct hnae3_dev_specs *dev_specs = &ae_dev->dev_specs;
struct hnae3_knic_private_info *kinfo = &h->kinfo;
*pos += scnprintf(buf + *pos, len - *pos, "dev_spec:\n");
*pos += scnprintf(buf + *pos, len - *pos, "MAC entry num: %u\n",
dev_specs->mac_entry_num);
*pos += scnprintf(buf + *pos, len - *pos, "MNG entry num: %u\n",
dev_specs->mng_entry_num);
*pos += scnprintf(buf + *pos, len - *pos, "MAX non tso bd num: %u\n",
dev_specs->max_non_tso_bd_num);
*pos += scnprintf(buf + *pos, len - *pos, "RSS ind tbl size: %u\n",
dev_specs->rss_ind_tbl_size);
*pos += scnprintf(buf + *pos, len - *pos, "RSS key size: %u\n",
dev_specs->rss_key_size);
*pos += scnprintf(buf + *pos, len - *pos, "RSS size: %u\n",
kinfo->rss_size);
*pos += scnprintf(buf + *pos, len - *pos, "Allocated RSS size: %u\n",
kinfo->req_rss_size);
*pos += scnprintf(buf + *pos, len - *pos,
"Task queue pairs numbers: %u\n",
kinfo->num_tqps);
*pos += scnprintf(buf + *pos, len - *pos, "RX buffer length: %u\n",
kinfo->rx_buf_len);
*pos += scnprintf(buf + *pos, len - *pos, "Desc num per TX queue: %u\n",
kinfo->num_tx_desc);
*pos += scnprintf(buf + *pos, len - *pos, "Desc num per RX queue: %u\n",
kinfo->num_rx_desc);
*pos += scnprintf(buf + *pos, len - *pos,
"Total number of enabled TCs: %u\n",
kinfo->tc_info.num_tc);
*pos += scnprintf(buf + *pos, len - *pos, "MAX INT QL: %u\n",
dev_specs->int_ql_max);
*pos += scnprintf(buf + *pos, len - *pos, "MAX INT GL: %u\n",
dev_specs->max_int_gl);
*pos += scnprintf(buf + *pos, len - *pos, "MAX TM RATE: %u\n",
dev_specs->max_tm_rate);
*pos += scnprintf(buf + *pos, len - *pos, "MAX QSET number: %u\n",
dev_specs->max_qset_num);
}
static int hns3_dbg_dev_info(struct hnae3_handle *h, char *buf, int len)
{
int pos = 0;
hns3_dbg_dev_caps(h, buf, len, &pos);
hns3_dbg_dev_specs(h, buf, len, &pos);
return 0;
}
static ssize_t hns3_dbg_cmd_read(struct file *filp, char __user *buffer,
size_t count, loff_t *ppos)
{
int uncopy_bytes;
char *buf;
int len;
if (*ppos != 0)
return 0;
if (count < HNS3_DBG_READ_LEN)
return -ENOSPC;
buf = kzalloc(HNS3_DBG_READ_LEN, GFP_KERNEL);
if (!buf)
return -ENOMEM;
len = scnprintf(buf, HNS3_DBG_READ_LEN, "%s\n",
"Please echo help to cmd to get help information");
uncopy_bytes = copy_to_user(buffer, buf, len);
kfree(buf);
if (uncopy_bytes)
return -EFAULT;
return (*ppos = len);
}
static int hns3_dbg_check_cmd(struct hnae3_handle *handle, char *cmd_buf)
{
int ret = 0;
if (strncmp(cmd_buf, "help", 4) == 0)
hns3_dbg_help(handle);
else if (strncmp(cmd_buf, "queue info", 10) == 0)
ret = hns3_dbg_queue_info(handle, cmd_buf);
else if (strncmp(cmd_buf, "queue map", 9) == 0)
ret = hns3_dbg_queue_map(handle);
else if (handle->ae_algo->ops->dbg_run_cmd)
ret = handle->ae_algo->ops->dbg_run_cmd(handle, cmd_buf);
else
ret = -EOPNOTSUPP;
return ret;
}
static ssize_t hns3_dbg_cmd_write(struct file *filp, const char __user *buffer,
size_t count, loff_t *ppos)
{
struct hnae3_handle *handle = filp->private_data;
struct hns3_nic_priv *priv = handle->priv;
char *cmd_buf, *cmd_buf_tmp;
int uncopied_bytes;
int ret;
if (*ppos != 0)
return 0;
/* Judge if the instance is being reset. */
if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) ||
test_bit(HNS3_NIC_STATE_RESETTING, &priv->state))
return 0;
if (count > HNS3_DBG_WRITE_LEN)
return -ENOSPC;
cmd_buf = kzalloc(count + 1, GFP_KERNEL);
if (!cmd_buf)
return count;
uncopied_bytes = copy_from_user(cmd_buf, buffer, count);
if (uncopied_bytes) {
kfree(cmd_buf);
return -EFAULT;
}
cmd_buf[count] = '\0';
cmd_buf_tmp = strchr(cmd_buf, '\n');
if (cmd_buf_tmp) {
*cmd_buf_tmp = '\0';
count = cmd_buf_tmp - cmd_buf + 1;
}
ret = hns3_dbg_check_cmd(handle, cmd_buf);
if (ret)
hns3_dbg_help(handle);
kfree(cmd_buf);
cmd_buf = NULL;
return count;
}
static int hns3_dbg_get_cmd_index(struct hnae3_handle *handle,
const unsigned char *name, u32 *index)
{
u32 i;
for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) {
if (!strncmp(name, hns3_dbg_cmd[i].name,
strlen(hns3_dbg_cmd[i].name))) {
*index = i;
return 0;
}
}
dev_err(&handle->pdev->dev, "unknown command(%s)\n", name);
return -EINVAL;
}
static const struct hns3_dbg_func hns3_dbg_cmd_func[] = {
{
.cmd = HNAE3_DBG_CMD_DEV_INFO,
.dbg_dump = hns3_dbg_dev_info,
},
{
.cmd = HNAE3_DBG_CMD_TX_BD,
.dbg_dump_bd = hns3_dbg_tx_bd_info,
},
{
.cmd = HNAE3_DBG_CMD_RX_BD,
.dbg_dump_bd = hns3_dbg_rx_bd_info,
},
};
static int hns3_dbg_read_cmd(struct hns3_dbg_data *dbg_data,
enum hnae3_dbg_cmd cmd, char *buf, int len)
{
const struct hnae3_ae_ops *ops = dbg_data->handle->ae_algo->ops;
const struct hns3_dbg_func *cmd_func;
u32 i;
for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd_func); i++) {
if (cmd == hns3_dbg_cmd_func[i].cmd) {
cmd_func = &hns3_dbg_cmd_func[i];
if (cmd_func->dbg_dump)
return cmd_func->dbg_dump(dbg_data->handle, buf,
len);
else
return cmd_func->dbg_dump_bd(dbg_data, buf,
len);
}
}
if (!ops->dbg_read_cmd)
return -EOPNOTSUPP;
return ops->dbg_read_cmd(dbg_data->handle, cmd, buf, len);
}
static ssize_t hns3_dbg_read(struct file *filp, char __user *buffer,
size_t count, loff_t *ppos)
{
struct hns3_dbg_data *dbg_data = filp->private_data;
struct hnae3_handle *handle = dbg_data->handle;
struct hns3_nic_priv *priv = handle->priv;
ssize_t size = 0;
char **save_buf;
char *read_buf;
u32 index;
int ret;
ret = hns3_dbg_get_cmd_index(handle, filp->f_path.dentry->d_iname,
&index);
if (ret)
return ret;
save_buf = &hns3_dbg_cmd[index].buf;
if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) ||
test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) {
ret = -EBUSY;
goto out;
}
if (*save_buf) {
read_buf = *save_buf;
} else {
read_buf = kvzalloc(hns3_dbg_cmd[index].buf_len, GFP_KERNEL);
if (!read_buf)
return -ENOMEM;
/* save the buffer addr until the last read operation */
*save_buf = read_buf;
}
/* get data ready for the first time to read */
if (!*ppos) {
ret = hns3_dbg_read_cmd(dbg_data, hns3_dbg_cmd[index].cmd,
read_buf, hns3_dbg_cmd[index].buf_len);
if (ret)
goto out;
}
size = simple_read_from_buffer(buffer, count, ppos, read_buf,
strlen(read_buf));
if (size > 0)
return size;
out:
/* free the buffer for the last read operation */
if (*save_buf) {
kvfree(*save_buf);
*save_buf = NULL;
}
return ret;
}
static const struct file_operations hns3_dbg_cmd_fops = {
.owner = THIS_MODULE,
.open = simple_open,
.read = hns3_dbg_cmd_read,
.write = hns3_dbg_cmd_write,
};
static const struct file_operations hns3_dbg_fops = {
.owner = THIS_MODULE,
.open = simple_open,
.read = hns3_dbg_read,
};
static int hns3_dbg_bd_file_init(struct hnae3_handle *handle, u32 cmd)
{
struct dentry *entry_dir;
struct hns3_dbg_data *data;
u16 max_queue_num;
unsigned int i;
entry_dir = hns3_dbg_dentry[hns3_dbg_cmd[cmd].dentry].dentry;
max_queue_num = hns3_get_max_available_channels(handle);
data = devm_kzalloc(&handle->pdev->dev, max_queue_num * sizeof(*data),
GFP_KERNEL);
if (!data)
return -ENOMEM;
for (i = 0; i < max_queue_num; i++) {
char name[HNS3_DBG_FILE_NAME_LEN];
data[i].handle = handle;
data[i].qid = i;
sprintf(name, "%s%u", hns3_dbg_cmd[cmd].name, i);
debugfs_create_file(name, 0400, entry_dir, &data[i],
&hns3_dbg_fops);
}
return 0;
}
static int
hns3_dbg_common_file_init(struct hnae3_handle *handle, u32 cmd)
{
struct hns3_dbg_data *data;
struct dentry *entry_dir;
data = devm_kzalloc(&handle->pdev->dev, sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;
data->handle = handle;
entry_dir = hns3_dbg_dentry[hns3_dbg_cmd[cmd].dentry].dentry;
debugfs_create_file(hns3_dbg_cmd[cmd].name, 0400, entry_dir,
data, &hns3_dbg_fops);
return 0;
}
int hns3_dbg_init(struct hnae3_handle *handle)
{
struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
const char *name = pci_name(handle->pdev);
int ret;
u32 i;
hns3_dbg_dentry[HNS3_DBG_DENTRY_COMMON].dentry =
debugfs_create_dir(name, hns3_dbgfs_root);
handle->hnae3_dbgfs = hns3_dbg_dentry[HNS3_DBG_DENTRY_COMMON].dentry;
debugfs_create_file("cmd", 0600, handle->hnae3_dbgfs, handle,
&hns3_dbg_cmd_fops);
for (i = 0; i < HNS3_DBG_DENTRY_COMMON; i++)
hns3_dbg_dentry[i].dentry =
debugfs_create_dir(hns3_dbg_dentry[i].name,
handle->hnae3_dbgfs);
for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) {
if (hns3_dbg_cmd[i].cmd == HNAE3_DBG_CMD_TM_NODES &&
ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2)
continue;
if (!hns3_dbg_cmd[i].init) {
dev_err(&handle->pdev->dev,
"cmd %s lack of init func\n",
hns3_dbg_cmd[i].name);
ret = -EINVAL;
goto out;
}
ret = hns3_dbg_cmd[i].init(handle, i);
if (ret) {
dev_err(&handle->pdev->dev, "failed to init cmd %s\n",
hns3_dbg_cmd[i].name);
goto out;
}
}
return 0;
out:
debugfs_remove_recursive(handle->hnae3_dbgfs);
handle->hnae3_dbgfs = NULL;
return ret;
}
void hns3_dbg_uninit(struct hnae3_handle *handle)
{
u32 i;
for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++)
if (hns3_dbg_cmd[i].buf) {
kvfree(hns3_dbg_cmd[i].buf);
hns3_dbg_cmd[i].buf = NULL;
}
debugfs_remove_recursive(handle->hnae3_dbgfs);
handle->hnae3_dbgfs = NULL;
}
void hns3_dbg_register_debugfs(const char *debugfs_dir_name)
{
hns3_dbgfs_root = debugfs_create_dir(debugfs_dir_name, NULL);
}
void hns3_dbg_unregister_debugfs(void)
{
debugfs_remove_recursive(hns3_dbgfs_root);
hns3_dbgfs_root = NULL;
}
Reference in New Issue View Git Blame Copy Permalink