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Subject[PATCH V2 net-next 5/6] net: hns3: Add "queue map" information query function
Date
From: liuzhongzhu <liuzhongzhu@huawei.com>

This patch prints queue map information.

debugfs command:
echo dump queue map > cmd

Sample Command:
root@(none)# echo queue map > cmd
local queue id | global queue id | vector id
0 32 769
1 33 770
2 34 771
3 35 772
4 36 773
5 37 774
6 38 775
7 39 776
8 40 777
9 41 778
10 42 779
11 43 780
12 44 781
13 45 782
14 46 783
15 47 784
root@(none)#

Signed-off-by: liuzhongzhu <liuzhongzhu@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
---
drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h | 1 +
drivers/net/ethernet/hisilicon/hns3/hnae3.h | 1 +
drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c | 33 ++++++++++++++++++++++
.../ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 4 +--
.../ethernet/hisilicon/hns3/hns3pf/hclge_main.h | 1 +
.../net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c | 20 +++++++++++++
.../ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c | 18 ++++++++++++
7 files changed, 76 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h b/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h
index 4d9cf39da48c..691d12174902 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h
@@ -39,6 +39,7 @@ enum HCLGE_MBX_OPCODE {
HCLGE_MBX_KEEP_ALIVE, /* (VF -> PF) send keep alive cmd */
HCLGE_MBX_SET_ALIVE, /* (VF -> PF) set alive state */
HCLGE_MBX_SET_MTU, /* (VF -> PF) set mtu */
+ HCLGE_MBX_GET_QID_IN_PF, /* (VF -> PF) get queue id in pf */
};

/* below are per-VF mac-vlan subcodes */
diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
index 294e725c7c44..845d43d3a920 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
@@ -460,6 +460,7 @@ struct hnae3_ae_ops {
bool (*ae_dev_resetting)(struct hnae3_handle *handle);
unsigned long (*ae_dev_reset_cnt)(struct hnae3_handle *handle);
int (*set_gro_en)(struct hnae3_handle *handle, int enable);
+ u16 (*get_global_queue_id)(struct hnae3_handle *handle, u16 queue_id);
};

struct hnae3_dcb_ops {
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
index 005b7e77c3f3..76c74b4b9777 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
@@ -125,6 +125,36 @@ static int hns3_dbg_queue_info(struct hnae3_handle *h, char *cmd_buf)
return 0;
}

+static int hns3_dbg_queue_map(struct hnae3_handle *h)
+{
+ struct hns3_nic_priv *priv = h->priv;
+ struct hns3_nic_ring_data *ring_data;
+ 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);
+ ring_data = &priv->ring_data[i];
+ if (!ring_data || !ring_data->ring ||
+ !ring_data->ring->tqp_vector)
+ continue;
+
+ dev_info(&h->pdev->dev,
+ " %4d %4d %4d\n",
+ i, global_qid,
+ ring_data->ring->tqp_vector->vector_irq);
+ }
+
+ return 0;
+}
+
static int hns3_dbg_bd_info(struct hnae3_handle *h, char *cmd_buf)
{
struct hns3_nic_priv *priv = h->priv;
@@ -207,6 +237,7 @@ 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");
dev_info(&h->pdev->dev, "bd info [q_num] <bd index>\n");
dev_info(&h->pdev->dev, "dump fd tcam\n");
dev_info(&h->pdev->dev, "dump tc\n");
@@ -303,6 +334,8 @@ static ssize_t hns3_dbg_cmd_write(struct file *filp, const char __user *buffer,
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 (strncmp(cmd_buf, "bd info", 7) == 0)
ret = hns3_dbg_bd_info(handle, cmd_buf);
else if (handle->ae_algo->ops->dbg_run_cmd)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 22380202ba83..3fe08cf477f9 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -6602,8 +6602,7 @@ static int hclge_get_reset_status(struct hclge_dev *hdev, u16 queue_id)
return hnae3_get_bit(req->ready_to_reset, HCLGE_TQP_RESET_B);
}

-static u16 hclge_covert_handle_qid_global(struct hnae3_handle *handle,
- u16 queue_id)
+u16 hclge_covert_handle_qid_global(struct hnae3_handle *handle, u16 queue_id)
{
struct hnae3_queue *queue;
struct hclge_tqp *tqp;
@@ -7975,6 +7974,7 @@ static const struct hnae3_ae_ops hclge_ops = {
.ae_dev_resetting = hclge_ae_dev_resetting,
.ae_dev_reset_cnt = hclge_ae_dev_reset_cnt,
.set_gro_en = hclge_gro_en,
+ .get_global_queue_id = hclge_covert_handle_qid_global,
};

static struct hnae3_ae_algo ae_algo = {
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
index 106fce172563..9571e228ab42 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
@@ -874,4 +874,5 @@ int hclge_vport_start(struct hclge_vport *vport);
void hclge_vport_stop(struct hclge_vport *vport);
int hclge_set_vport_mtu(struct hclge_vport *vport, int new_mtu);
int hclge_dbg_run_cmd(struct hnae3_handle *handle, char *cmd_buf);
+u16 hclge_covert_handle_qid_global(struct hnae3_handle *handle, u16 queue_id);
#endif
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c
index e16a730a5f54..a1de451a85df 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c
@@ -413,6 +413,19 @@ static int hclge_set_vf_mtu(struct hclge_vport *vport,
return hclge_gen_resp_to_vf(vport, mbx_req, ret, NULL, 0);
}

+static int hclge_get_queue_id_in_pf(struct hclge_vport *vport,
+ struct hclge_mbx_vf_to_pf_cmd *mbx_req)
+{
+ u16 queue_id, qid_in_pf;
+ u8 resp_data[2];
+
+ memcpy(&queue_id, &mbx_req->msg[2], sizeof(queue_id));
+ qid_in_pf = hclge_covert_handle_qid_global(&vport->nic, queue_id);
+ memcpy(resp_data, &qid_in_pf, sizeof(qid_in_pf));
+
+ return hclge_gen_resp_to_vf(vport, mbx_req, 0, resp_data, 2);
+}
+
static bool hclge_cmd_crq_empty(struct hclge_hw *hw)
{
u32 tail = hclge_read_dev(hw, HCLGE_NIC_CRQ_TAIL_REG);
@@ -533,6 +546,13 @@ void hclge_mbx_handler(struct hclge_dev *hdev)
dev_err(&hdev->pdev->dev,
"VF fail(%d) to set mtu\n", ret);
break;
+ case HCLGE_MBX_GET_QID_IN_PF:
+ ret = hclge_get_queue_id_in_pf(vport, req);
+ if (ret)
+ dev_err(&hdev->pdev->dev,
+ "PF failed(%d) to get qid for VF\n",
+ ret);
+ break;
default:
dev_err(&hdev->pdev->dev,
"un-supported mailbox message, code = %d\n",
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
index 417e078eac62..75327dcda3b0 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
@@ -256,6 +256,23 @@ static int hclgevf_get_queue_info(struct hclgevf_dev *hdev)
return 0;
}

+static u16 hclgevf_get_qid_global(struct hnae3_handle *handle, u16 queue_id)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ u8 msg_data[2], resp_data[2];
+ u16 qid_in_pf = 0;
+ int ret;
+
+ memcpy(&msg_data[0], &queue_id, sizeof(queue_id));
+
+ ret = hclgevf_send_mbx_msg(hdev, HCLGE_MBX_GET_QID_IN_PF, 0, msg_data,
+ 2, true, resp_data, 2);
+ if (!ret)
+ qid_in_pf = *(u16 *)resp_data;
+
+ return qid_in_pf;
+}
+
static int hclgevf_alloc_tqps(struct hclgevf_dev *hdev)
{
struct hclgevf_tqp *tqp;
@@ -2642,6 +2659,7 @@ static const struct hnae3_ae_ops hclgevf_ops = {
.ae_dev_reset_cnt = hclgevf_ae_dev_reset_cnt,
.set_gro_en = hclgevf_gro_en,
.set_mtu = hclgevf_set_mtu,
+ .get_global_queue_id = hclgevf_get_qid_global,
};

static struct hnae3_ae_algo ae_algovf = {
--
2.11.0

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