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OpenCloudOS-Kernel/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c

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// SPDX-License-Identifier: GPL-2.0+
// Copyright (c) 2016-2017 Hisilicon Limited.
#include "hclge_main.h"
#include "hclge_mbx.h"
#include "hnae3.h"
/* hclge_gen_resp_to_vf: used to generate a synchronous response to VF when PF
* receives a mailbox message from VF.
* @vport: pointer to struct hclge_vport
* @vf_to_pf_req: pointer to hclge_mbx_vf_to_pf_cmd of the original mailbox
* message
* @resp_status: indicate to VF whether its request success(0) or failed.
*/
static int hclge_gen_resp_to_vf(struct hclge_vport *vport,
struct hclge_mbx_vf_to_pf_cmd *vf_to_pf_req,
int resp_status,
u8 *resp_data, u16 resp_data_len)
{
struct hclge_mbx_pf_to_vf_cmd *resp_pf_to_vf;
struct hclge_dev *hdev = vport->back;
enum hclge_cmd_status status;
struct hclge_desc desc;
resp_pf_to_vf = (struct hclge_mbx_pf_to_vf_cmd *)desc.data;
if (resp_data_len > HCLGE_MBX_MAX_RESP_DATA_SIZE) {
dev_err(&hdev->pdev->dev,
"PF fail to gen resp to VF len %u exceeds max len %u\n",
resp_data_len,
HCLGE_MBX_MAX_RESP_DATA_SIZE);
/* If resp_data_len is too long, set the value to max length
* and return the msg to VF
*/
resp_data_len = HCLGE_MBX_MAX_RESP_DATA_SIZE;
}
hclge_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_MBX_PF_TO_VF, false);
resp_pf_to_vf->dest_vfid = vf_to_pf_req->mbx_src_vfid;
resp_pf_to_vf->msg_len = vf_to_pf_req->msg_len;
resp_pf_to_vf->msg[0] = HCLGE_MBX_PF_VF_RESP;
resp_pf_to_vf->msg[1] = vf_to_pf_req->msg[0];
resp_pf_to_vf->msg[2] = vf_to_pf_req->msg[1];
resp_pf_to_vf->msg[3] = (resp_status == 0) ? 0 : 1;
if (resp_data && resp_data_len > 0)
memcpy(&resp_pf_to_vf->msg[4], resp_data, resp_data_len);
status = hclge_cmd_send(&hdev->hw, &desc, 1);
if (status)
dev_err(&hdev->pdev->dev,
"PF failed(=%d) to send response to VF\n", status);
return status;
}
static int hclge_send_mbx_msg(struct hclge_vport *vport, u8 *msg, u16 msg_len,
u16 mbx_opcode, u8 dest_vfid)
{
struct hclge_mbx_pf_to_vf_cmd *resp_pf_to_vf;
struct hclge_dev *hdev = vport->back;
enum hclge_cmd_status status;
struct hclge_desc desc;
resp_pf_to_vf = (struct hclge_mbx_pf_to_vf_cmd *)desc.data;
hclge_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_MBX_PF_TO_VF, false);
resp_pf_to_vf->dest_vfid = dest_vfid;
resp_pf_to_vf->msg_len = msg_len;
resp_pf_to_vf->msg[0] = mbx_opcode;
memcpy(&resp_pf_to_vf->msg[1], msg, msg_len);
status = hclge_cmd_send(&hdev->hw, &desc, 1);
if (status)
dev_err(&hdev->pdev->dev,
"PF failed(=%d) to send mailbox message to VF\n",
status);
return status;
}
int hclge_inform_reset_assert_to_vf(struct hclge_vport *vport)
{
struct hclge_dev *hdev = vport->back;
enum hnae3_reset_type reset_type;
u8 msg_data[2];
u8 dest_vfid;
dest_vfid = (u8)vport->vport_id;
if (hdev->reset_type == HNAE3_FUNC_RESET)
reset_type = HNAE3_VF_PF_FUNC_RESET;
else if (hdev->reset_type == HNAE3_FLR_RESET)
reset_type = HNAE3_VF_FULL_RESET;
else
reset_type = HNAE3_VF_FUNC_RESET;
memcpy(&msg_data[0], &reset_type, sizeof(u16));
/* send this requested info to VF */
return hclge_send_mbx_msg(vport, msg_data, sizeof(msg_data),
HCLGE_MBX_ASSERTING_RESET, dest_vfid);
}
static void hclge_free_vector_ring_chain(struct hnae3_ring_chain_node *head)
{
struct hnae3_ring_chain_node *chain_tmp, *chain;
chain = head->next;
while (chain) {
chain_tmp = chain->next;
kzfree(chain);
chain = chain_tmp;
}
}
/* hclge_get_ring_chain_from_mbx: get ring type & tqp id & int_gl idx
* from mailbox message
* msg[0]: opcode
* msg[1]: <not relevant to this function>
* msg[2]: ring_num
* msg[3]: first ring type (TX|RX)
* msg[4]: first tqp id
* msg[5]: first int_gl idx
* msg[6] ~ msg[14]: other ring type, tqp id and int_gl idx
*/
static int hclge_get_ring_chain_from_mbx(
struct hclge_mbx_vf_to_pf_cmd *req,
struct hnae3_ring_chain_node *ring_chain,
struct hclge_vport *vport)
{
struct hnae3_ring_chain_node *cur_chain, *new_chain;
int ring_num;
int i;
ring_num = req->msg[2];
if (ring_num > ((HCLGE_MBX_VF_MSG_DATA_NUM -
HCLGE_MBX_RING_MAP_BASIC_MSG_NUM) /
HCLGE_MBX_RING_NODE_VARIABLE_NUM))
return -ENOMEM;
hnae3_set_bit(ring_chain->flag, HNAE3_RING_TYPE_B, req->msg[3]);
ring_chain->tqp_index =
hclge_get_queue_id(vport->nic.kinfo.tqp[req->msg[4]]);
hnae3_set_field(ring_chain->int_gl_idx, HNAE3_RING_GL_IDX_M,
HNAE3_RING_GL_IDX_S,
req->msg[5]);
cur_chain = ring_chain;
for (i = 1; i < ring_num; i++) {
new_chain = kzalloc(sizeof(*new_chain), GFP_KERNEL);
if (!new_chain)
goto err;
hnae3_set_bit(new_chain->flag, HNAE3_RING_TYPE_B,
req->msg[HCLGE_MBX_RING_NODE_VARIABLE_NUM * i +
HCLGE_MBX_RING_MAP_BASIC_MSG_NUM]);
new_chain->tqp_index =
hclge_get_queue_id(vport->nic.kinfo.tqp
[req->msg[HCLGE_MBX_RING_NODE_VARIABLE_NUM * i +
HCLGE_MBX_RING_MAP_BASIC_MSG_NUM + 1]]);
hnae3_set_field(new_chain->int_gl_idx, HNAE3_RING_GL_IDX_M,
HNAE3_RING_GL_IDX_S,
req->msg[HCLGE_MBX_RING_NODE_VARIABLE_NUM * i +
HCLGE_MBX_RING_MAP_BASIC_MSG_NUM + 2]);
cur_chain->next = new_chain;
cur_chain = new_chain;
}
return 0;
err:
hclge_free_vector_ring_chain(ring_chain);
return -ENOMEM;
}
static int hclge_map_unmap_ring_to_vf_vector(struct hclge_vport *vport, bool en,
struct hclge_mbx_vf_to_pf_cmd *req)
{
struct hnae3_ring_chain_node ring_chain;
int vector_id = req->msg[1];
int ret;
memset(&ring_chain, 0, sizeof(ring_chain));
ret = hclge_get_ring_chain_from_mbx(req, &ring_chain, vport);
if (ret)
return ret;
ret = hclge_bind_ring_with_vector(vport, vector_id, en, &ring_chain);
hclge_free_vector_ring_chain(&ring_chain);
return ret;
}
static int hclge_set_vf_promisc_mode(struct hclge_vport *vport,
struct hclge_mbx_vf_to_pf_cmd *req)
{
#define HCLGE_MBX_BC_INDEX 1
#define HCLGE_MBX_UC_INDEX 2
#define HCLGE_MBX_MC_INDEX 3
bool en_bc = req->msg[HCLGE_MBX_BC_INDEX] ? true : false;
bool en_uc = req->msg[HCLGE_MBX_UC_INDEX] ? true : false;
bool en_mc = req->msg[HCLGE_MBX_MC_INDEX] ? true : false;
int ret;
if (!vport->vf_info.trusted) {
en_uc = false;
en_mc = false;
}
ret = hclge_set_vport_promisc_mode(vport, en_uc, en_mc, en_bc);
if (req->mbx_need_resp)
hclge_gen_resp_to_vf(vport, req, ret, NULL, 0);
vport->vf_info.promisc_enable = (en_uc || en_mc) ? 1 : 0;
return ret;
}
void hclge_inform_vf_promisc_info(struct hclge_vport *vport)
{
u8 dest_vfid = (u8)vport->vport_id;
u8 msg_data[2];
memcpy(&msg_data[0], &vport->vf_info.promisc_enable, sizeof(u16));
hclge_send_mbx_msg(vport, msg_data, sizeof(msg_data),
HCLGE_MBX_PUSH_PROMISC_INFO, dest_vfid);
}
static int hclge_set_vf_uc_mac_addr(struct hclge_vport *vport,
struct hclge_mbx_vf_to_pf_cmd *mbx_req)
{
const u8 *mac_addr = (const u8 *)(&mbx_req->msg[2]);
struct hclge_dev *hdev = vport->back;
int status;
if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_UC_MODIFY) {
const u8 *old_addr = (const u8 *)(&mbx_req->msg[8]);
/* If VF MAC has been configured by the host then it
* cannot be overridden by the MAC specified by the VM.
*/
if (!is_zero_ether_addr(vport->vf_info.mac) &&
!ether_addr_equal(mac_addr, vport->vf_info.mac)) {
status = -EPERM;
goto out;
}
if (!is_valid_ether_addr(mac_addr)) {
status = -EINVAL;
goto out;
}
hclge_rm_uc_addr_common(vport, old_addr);
status = hclge_add_uc_addr_common(vport, mac_addr);
if (status) {
hclge_add_uc_addr_common(vport, old_addr);
} else {
hclge_rm_vport_mac_table(vport, mac_addr,
false, HCLGE_MAC_ADDR_UC);
hclge_add_vport_mac_table(vport, mac_addr,
HCLGE_MAC_ADDR_UC);
}
} else if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_UC_ADD) {
status = hclge_add_uc_addr_common(vport, mac_addr);
if (!status)
hclge_add_vport_mac_table(vport, mac_addr,
HCLGE_MAC_ADDR_UC);
} else if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_UC_REMOVE) {
status = hclge_rm_uc_addr_common(vport, mac_addr);
if (!status)
hclge_rm_vport_mac_table(vport, mac_addr,
false, HCLGE_MAC_ADDR_UC);
} else {
dev_err(&hdev->pdev->dev,
"failed to set unicast mac addr, unknown subcode %u\n",
mbx_req->msg[1]);
return -EIO;
}
out:
if (mbx_req->mbx_need_resp & HCLGE_MBX_NEED_RESP_BIT)
hclge_gen_resp_to_vf(vport, mbx_req, status, NULL, 0);
return 0;
}
static int hclge_set_vf_mc_mac_addr(struct hclge_vport *vport,
struct hclge_mbx_vf_to_pf_cmd *mbx_req,
bool gen_resp)
{
const u8 *mac_addr = (const u8 *)(&mbx_req->msg[2]);
struct hclge_dev *hdev = vport->back;
u8 resp_len = 0;
u8 resp_data;
int status;
if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_MC_ADD) {
status = hclge_add_mc_addr_common(vport, mac_addr);
if (!status)
hclge_add_vport_mac_table(vport, mac_addr,
HCLGE_MAC_ADDR_MC);
} else if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_MC_REMOVE) {
status = hclge_rm_mc_addr_common(vport, mac_addr);
if (!status)
hclge_rm_vport_mac_table(vport, mac_addr,
false, HCLGE_MAC_ADDR_MC);
} else {
dev_err(&hdev->pdev->dev,
"failed to set mcast mac addr, unknown subcode %u\n",
mbx_req->msg[1]);
return -EIO;
}
if (gen_resp)
hclge_gen_resp_to_vf(vport, mbx_req, status,
&resp_data, resp_len);
return 0;
}
int hclge_push_vf_port_base_vlan_info(struct hclge_vport *vport, u8 vfid,
u16 state, u16 vlan_tag, u16 qos,
u16 vlan_proto)
{
#define MSG_DATA_SIZE 8
u8 msg_data[MSG_DATA_SIZE];
memcpy(&msg_data[0], &state, sizeof(u16));
memcpy(&msg_data[2], &vlan_proto, sizeof(u16));
memcpy(&msg_data[4], &qos, sizeof(u16));
memcpy(&msg_data[6], &vlan_tag, sizeof(u16));
return hclge_send_mbx_msg(vport, msg_data, sizeof(msg_data),
HCLGE_MBX_PUSH_VLAN_INFO, vfid);
}
static int hclge_set_vf_vlan_cfg(struct hclge_vport *vport,
struct hclge_mbx_vf_to_pf_cmd *mbx_req)
{
struct hclge_vf_vlan_cfg *msg_cmd;
int status = 0;
msg_cmd = (struct hclge_vf_vlan_cfg *)mbx_req->msg;
if (msg_cmd->subcode == HCLGE_MBX_VLAN_FILTER) {
struct hnae3_handle *handle = &vport->nic;
u16 vlan, proto;
bool is_kill;
is_kill = !!msg_cmd->is_kill;
vlan = msg_cmd->vlan;
proto = msg_cmd->proto;
status = hclge_set_vlan_filter(handle, cpu_to_be16(proto),
vlan, is_kill);
if (mbx_req->mbx_need_resp)
return hclge_gen_resp_to_vf(vport, mbx_req, status,
NULL, 0);
} else if (msg_cmd->subcode == HCLGE_MBX_VLAN_RX_OFF_CFG) {
struct hnae3_handle *handle = &vport->nic;
bool en = msg_cmd->is_kill ? true : false;
status = hclge_en_hw_strip_rxvtag(handle, en);
} else if (mbx_req->msg[1] == HCLGE_MBX_PORT_BASE_VLAN_CFG) {
struct hclge_vlan_info *vlan_info;
u16 *state;
state = (u16 *)&mbx_req->msg[2];
vlan_info = (struct hclge_vlan_info *)&mbx_req->msg[4];
status = hclge_update_port_base_vlan_cfg(vport, *state,
vlan_info);
} else if (mbx_req->msg[1] == HCLGE_MBX_GET_PORT_BASE_VLAN_STATE) {
u8 state;
state = vport->port_base_vlan_cfg.state;
status = hclge_gen_resp_to_vf(vport, mbx_req, 0, &state,
sizeof(u8));
}
return status;
}
static int hclge_set_vf_alive(struct hclge_vport *vport,
struct hclge_mbx_vf_to_pf_cmd *mbx_req,
bool gen_resp)
{
bool alive = !!mbx_req->msg[2];
int ret = 0;
if (alive)
ret = hclge_vport_start(vport);
else
hclge_vport_stop(vport);
return ret;
}
static int hclge_get_vf_tcinfo(struct hclge_vport *vport,
struct hclge_mbx_vf_to_pf_cmd *mbx_req,
bool gen_resp)
{
struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
u8 vf_tc_map = 0;
unsigned int i;
int ret;
for (i = 0; i < kinfo->num_tc; i++)
vf_tc_map |= BIT(i);
ret = hclge_gen_resp_to_vf(vport, mbx_req, 0, &vf_tc_map,
sizeof(vf_tc_map));
return ret;
}
static int hclge_get_vf_queue_info(struct hclge_vport *vport,
struct hclge_mbx_vf_to_pf_cmd *mbx_req,
bool gen_resp)
{
#define HCLGE_TQPS_RSS_INFO_LEN 6
u8 resp_data[HCLGE_TQPS_RSS_INFO_LEN];
struct hclge_dev *hdev = vport->back;
/* get the queue related info */
memcpy(&resp_data[0], &vport->alloc_tqps, sizeof(u16));
memcpy(&resp_data[2], &vport->nic.kinfo.rss_size, sizeof(u16));
memcpy(&resp_data[4], &hdev->rx_buf_len, sizeof(u16));
return hclge_gen_resp_to_vf(vport, mbx_req, 0, resp_data,
HCLGE_TQPS_RSS_INFO_LEN);
}
static int hclge_get_vf_mac_addr(struct hclge_vport *vport,
struct hclge_mbx_vf_to_pf_cmd *mbx_req)
{
return hclge_gen_resp_to_vf(vport, mbx_req, 0, vport->vf_info.mac,
ETH_ALEN);
}
static int hclge_get_vf_queue_depth(struct hclge_vport *vport,
struct hclge_mbx_vf_to_pf_cmd *mbx_req,
bool gen_resp)
{
#define HCLGE_TQPS_DEPTH_INFO_LEN 4
u8 resp_data[HCLGE_TQPS_DEPTH_INFO_LEN];
struct hclge_dev *hdev = vport->back;
/* get the queue depth info */
memcpy(&resp_data[0], &hdev->num_tx_desc, sizeof(u16));
memcpy(&resp_data[2], &hdev->num_rx_desc, sizeof(u16));
return hclge_gen_resp_to_vf(vport, mbx_req, 0, resp_data,
HCLGE_TQPS_DEPTH_INFO_LEN);
}
static int hclge_get_vf_media_type(struct hclge_vport *vport,
struct hclge_mbx_vf_to_pf_cmd *mbx_req)
{
struct hclge_dev *hdev = vport->back;
u8 resp_data[2];
resp_data[0] = hdev->hw.mac.media_type;
resp_data[1] = hdev->hw.mac.module_type;
return hclge_gen_resp_to_vf(vport, mbx_req, 0, resp_data,
sizeof(resp_data));
}
static int hclge_get_link_info(struct hclge_vport *vport,
struct hclge_mbx_vf_to_pf_cmd *mbx_req)
{
#define HCLGE_VF_LINK_STATE_UP 1U
#define HCLGE_VF_LINK_STATE_DOWN 0U
struct hclge_dev *hdev = vport->back;
u16 link_status;
u8 msg_data[8];
u8 dest_vfid;
u16 duplex;
/* mac.link can only be 0 or 1 */
switch (vport->vf_info.link_state) {
case IFLA_VF_LINK_STATE_ENABLE:
link_status = HCLGE_VF_LINK_STATE_UP;
break;
case IFLA_VF_LINK_STATE_DISABLE:
link_status = HCLGE_VF_LINK_STATE_DOWN;
break;
case IFLA_VF_LINK_STATE_AUTO:
default:
link_status = (u16)hdev->hw.mac.link;
break;
}
duplex = hdev->hw.mac.duplex;
memcpy(&msg_data[0], &link_status, sizeof(u16));
memcpy(&msg_data[2], &hdev->hw.mac.speed, sizeof(u32));
memcpy(&msg_data[6], &duplex, sizeof(u16));
dest_vfid = mbx_req->mbx_src_vfid;
/* send this requested info to VF */
return hclge_send_mbx_msg(vport, msg_data, sizeof(msg_data),
HCLGE_MBX_LINK_STAT_CHANGE, dest_vfid);
}
static void hclge_get_link_mode(struct hclge_vport *vport,
struct hclge_mbx_vf_to_pf_cmd *mbx_req)
{
#define HCLGE_SUPPORTED 1
struct hclge_dev *hdev = vport->back;
unsigned long advertising;
unsigned long supported;
unsigned long send_data;
u8 msg_data[10];
u8 dest_vfid;
advertising = hdev->hw.mac.advertising[0];
supported = hdev->hw.mac.supported[0];
dest_vfid = mbx_req->mbx_src_vfid;
msg_data[0] = mbx_req->msg[2];
send_data = msg_data[0] == HCLGE_SUPPORTED ? supported : advertising;
memcpy(&msg_data[2], &send_data, sizeof(unsigned long));
hclge_send_mbx_msg(vport, msg_data, sizeof(msg_data),
HCLGE_MBX_LINK_STAT_MODE, dest_vfid);
}
static void hclge_mbx_reset_vf_queue(struct hclge_vport *vport,
struct hclge_mbx_vf_to_pf_cmd *mbx_req)
{
u16 queue_id;
memcpy(&queue_id, &mbx_req->msg[2], sizeof(queue_id));
hclge_reset_vf_queue(vport, queue_id);
/* send response msg to VF after queue reset complete */
hclge_gen_resp_to_vf(vport, mbx_req, 0, NULL, 0);
}
static void hclge_reset_vf(struct hclge_vport *vport,
struct hclge_mbx_vf_to_pf_cmd *mbx_req)
{
struct hclge_dev *hdev = vport->back;
int ret;
dev_warn(&hdev->pdev->dev, "PF received VF reset request from VF %u!",
vport->vport_id);
ret = hclge_func_reset_cmd(hdev, vport->vport_id);
hclge_gen_resp_to_vf(vport, mbx_req, ret, NULL, 0);
}
static void hclge_vf_keep_alive(struct hclge_vport *vport,
struct hclge_mbx_vf_to_pf_cmd *mbx_req)
{
vport->last_active_jiffies = jiffies;
}
static int hclge_set_vf_mtu(struct hclge_vport *vport,
struct hclge_mbx_vf_to_pf_cmd *mbx_req)
{
int ret;
u32 mtu;
memcpy(&mtu, &mbx_req->msg[2], sizeof(mtu));
ret = hclge_set_vport_mtu(vport, mtu);
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,
sizeof(resp_data));
}
static int hclge_get_rss_key(struct hclge_vport *vport,
struct hclge_mbx_vf_to_pf_cmd *mbx_req)
{
#define HCLGE_RSS_MBX_RESP_LEN 8
u8 resp_data[HCLGE_RSS_MBX_RESP_LEN];
struct hclge_dev *hdev = vport->back;
u8 index;
index = mbx_req->msg[2];
memcpy(&resp_data[0],
&hdev->vport[0].rss_hash_key[index * HCLGE_RSS_MBX_RESP_LEN],
HCLGE_RSS_MBX_RESP_LEN);
return hclge_gen_resp_to_vf(vport, mbx_req, 0, resp_data,
HCLGE_RSS_MBX_RESP_LEN);
}
static void hclge_link_fail_parse(struct hclge_dev *hdev, u8 link_fail_code)
{
switch (link_fail_code) {
case HCLGE_LF_REF_CLOCK_LOST:
dev_warn(&hdev->pdev->dev, "Reference clock lost!\n");
break;
case HCLGE_LF_XSFP_TX_DISABLE:
dev_warn(&hdev->pdev->dev, "SFP tx is disabled!\n");
break;
case HCLGE_LF_XSFP_ABSENT:
dev_warn(&hdev->pdev->dev, "SFP is absent!\n");
break;
default:
break;
}
}
static void hclge_handle_link_change_event(struct hclge_dev *hdev,
struct hclge_mbx_vf_to_pf_cmd *req)
{
#define LINK_STATUS_OFFSET 1
#define LINK_FAIL_CODE_OFFSET 2
hclge_task_schedule(hdev, 0);
if (!req->msg[LINK_STATUS_OFFSET])
hclge_link_fail_parse(hdev, req->msg[LINK_FAIL_CODE_OFFSET]);
}
static bool hclge_cmd_crq_empty(struct hclge_hw *hw)
{
u32 tail = hclge_read_dev(hw, HCLGE_NIC_CRQ_TAIL_REG);
return tail == hw->cmq.crq.next_to_use;
}
static void hclge_handle_ncsi_error(struct hclge_dev *hdev)
{
struct hnae3_ae_dev *ae_dev = hdev->ae_dev;
ae_dev->ops->set_default_reset_request(ae_dev, HNAE3_GLOBAL_RESET);
dev_warn(&hdev->pdev->dev, "requesting reset due to NCSI error\n");
ae_dev->ops->reset_event(hdev->pdev, NULL);
}
void hclge_mbx_handler(struct hclge_dev *hdev)
{
struct hclge_cmq_ring *crq = &hdev->hw.cmq.crq;
struct hclge_mbx_vf_to_pf_cmd *req;
struct hclge_vport *vport;
struct hclge_desc *desc;
unsigned int flag;
int ret;
/* handle all the mailbox requests in the queue */
while (!hclge_cmd_crq_empty(&hdev->hw)) {
if (test_bit(HCLGE_STATE_CMD_DISABLE, &hdev->state)) {
dev_warn(&hdev->pdev->dev,
"command queue needs re-initializing\n");
return;
}
desc = &crq->desc[crq->next_to_use];
req = (struct hclge_mbx_vf_to_pf_cmd *)desc->data;
flag = le16_to_cpu(crq->desc[crq->next_to_use].flag);
if (unlikely(!hnae3_get_bit(flag, HCLGE_CMDQ_RX_OUTVLD_B))) {
dev_warn(&hdev->pdev->dev,
"dropped invalid mailbox message, code = %u\n",
req->msg[0]);
/* dropping/not processing this invalid message */
crq->desc[crq->next_to_use].flag = 0;
hclge_mbx_ring_ptr_move_crq(crq);
continue;
}
vport = &hdev->vport[req->mbx_src_vfid];
switch (req->msg[0]) {
case HCLGE_MBX_MAP_RING_TO_VECTOR:
ret = hclge_map_unmap_ring_to_vf_vector(vport, true,
req);
break;
case HCLGE_MBX_UNMAP_RING_TO_VECTOR:
ret = hclge_map_unmap_ring_to_vf_vector(vport, false,
req);
break;
case HCLGE_MBX_SET_PROMISC_MODE:
ret = hclge_set_vf_promisc_mode(vport, req);
if (ret)
dev_err(&hdev->pdev->dev,
"PF fail(%d) to set VF promisc mode\n",
ret);
break;
case HCLGE_MBX_SET_UNICAST:
ret = hclge_set_vf_uc_mac_addr(vport, req);
if (ret)
dev_err(&hdev->pdev->dev,
"PF fail(%d) to set VF UC MAC Addr\n",
ret);
break;
case HCLGE_MBX_SET_MULTICAST:
ret = hclge_set_vf_mc_mac_addr(vport, req, false);
if (ret)
dev_err(&hdev->pdev->dev,
"PF fail(%d) to set VF MC MAC Addr\n",
ret);
break;
case HCLGE_MBX_SET_VLAN:
ret = hclge_set_vf_vlan_cfg(vport, req);
if (ret)
dev_err(&hdev->pdev->dev,
"PF failed(%d) to config VF's VLAN\n",
ret);
break;
case HCLGE_MBX_SET_ALIVE:
ret = hclge_set_vf_alive(vport, req, false);
if (ret)
dev_err(&hdev->pdev->dev,
"PF failed(%d) to set VF's ALIVE\n",
ret);
break;
case HCLGE_MBX_GET_QINFO:
ret = hclge_get_vf_queue_info(vport, req, true);
if (ret)
dev_err(&hdev->pdev->dev,
"PF failed(%d) to get Q info for VF\n",
ret);
break;
case HCLGE_MBX_GET_QDEPTH:
ret = hclge_get_vf_queue_depth(vport, req, true);
if (ret)
dev_err(&hdev->pdev->dev,
"PF failed(%d) to get Q depth for VF\n",
ret);
break;
case HCLGE_MBX_GET_TCINFO:
ret = hclge_get_vf_tcinfo(vport, req, true);
if (ret)
dev_err(&hdev->pdev->dev,
"PF failed(%d) to get TC info for VF\n",
ret);
break;
case HCLGE_MBX_GET_LINK_STATUS:
ret = hclge_get_link_info(vport, req);
if (ret)
dev_err(&hdev->pdev->dev,
"PF fail(%d) to get link stat for VF\n",
ret);
break;
case HCLGE_MBX_QUEUE_RESET:
hclge_mbx_reset_vf_queue(vport, req);
break;
case HCLGE_MBX_RESET:
hclge_reset_vf(vport, req);
break;
case HCLGE_MBX_KEEP_ALIVE:
hclge_vf_keep_alive(vport, req);
break;
case HCLGE_MBX_SET_MTU:
ret = hclge_set_vf_mtu(vport, req);
if (ret)
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;
case HCLGE_MBX_GET_RSS_KEY:
ret = hclge_get_rss_key(vport, req);
if (ret)
dev_err(&hdev->pdev->dev,
"PF fail(%d) to get rss key for VF\n",
ret);
break;
case HCLGE_MBX_GET_LINK_MODE:
hclge_get_link_mode(vport, req);
break;
case HCLGE_MBX_GET_VF_FLR_STATUS:
hclge_rm_vport_all_mac_table(vport, true,
HCLGE_MAC_ADDR_UC);
hclge_rm_vport_all_mac_table(vport, true,
HCLGE_MAC_ADDR_MC);
hclge_rm_vport_all_vlan_table(vport, true);
break;
case HCLGE_MBX_GET_MEDIA_TYPE:
ret = hclge_get_vf_media_type(vport, req);
if (ret)
dev_err(&hdev->pdev->dev,
"PF fail(%d) to media type for VF\n",
ret);
break;
case HCLGE_MBX_PUSH_LINK_STATUS:
hclge_handle_link_change_event(hdev, req);
break;
case HCLGE_MBX_GET_MAC_ADDR:
ret = hclge_get_vf_mac_addr(vport, req);
if (ret)
dev_err(&hdev->pdev->dev,
"PF failed(%d) to get MAC for VF\n",
ret);
break;
case HCLGE_MBX_NCSI_ERROR:
hclge_handle_ncsi_error(hdev);
break;
default:
dev_err(&hdev->pdev->dev,
"un-supported mailbox message, code = %u\n",
req->msg[0]);
break;
}
crq->desc[crq->next_to_use].flag = 0;
hclge_mbx_ring_ptr_move_crq(crq);
}
/* Write back CMDQ_RQ header pointer, M7 need this pointer */
hclge_write_dev(&hdev->hw, HCLGE_NIC_CRQ_HEAD_REG, crq->next_to_use);
}
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