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/* SPDX-License-Identifier: GPL-2.0+ */
/* Copyright (c) 2016-2017 Hisilicon Limited. */
#ifndef __HCLGE_MBX_H
#define __HCLGE_MBX_H
#include <linux/init.h>
#include <linux/mutex.h>
#include <linux/types.h>
enum HCLGE_MBX_OPCODE {
HCLGE_MBX_RESET = 0x01, /* (VF -> PF) assert reset */
HCLGE_MBX_ASSERTING_RESET, /* (PF -> VF) PF is asserting reset */
HCLGE_MBX_SET_UNICAST, /* (VF -> PF) set UC addr */
HCLGE_MBX_SET_MULTICAST, /* (VF -> PF) set MC addr */
HCLGE_MBX_SET_VLAN, /* (VF -> PF) set VLAN */
HCLGE_MBX_MAP_RING_TO_VECTOR, /* (VF -> PF) map ring-to-vector */
HCLGE_MBX_UNMAP_RING_TO_VECTOR, /* (VF -> PF) unamp ring-to-vector */
HCLGE_MBX_SET_PROMISC_MODE, /* (VF -> PF) set promiscuous mode */
HCLGE_MBX_SET_MACVLAN, /* (VF -> PF) set unicast filter */
HCLGE_MBX_API_NEGOTIATE, /* (VF -> PF) negotiate API version */
HCLGE_MBX_GET_QINFO, /* (VF -> PF) get queue config */
HCLGE_MBX_GET_QDEPTH, /* (VF -> PF) get queue depth */
HCLGE_MBX_GET_BASIC_INFO, /* (VF -> PF) get basic info */
HCLGE_MBX_GET_RETA, /* (VF -> PF) get RETA */
HCLGE_MBX_GET_RSS_KEY, /* (VF -> PF) get RSS key */
HCLGE_MBX_GET_MAC_ADDR, /* (VF -> PF) get MAC addr */
HCLGE_MBX_PF_VF_RESP, /* (PF -> VF) generate response to VF */
HCLGE_MBX_GET_BDNUM, /* (VF -> PF) get BD num */
HCLGE_MBX_GET_BUFSIZE, /* (VF -> PF) get buffer size */
HCLGE_MBX_GET_STREAMID, /* (VF -> PF) get stream id */
HCLGE_MBX_SET_AESTART, /* (VF -> PF) start ae */
HCLGE_MBX_SET_TSOSTATS, /* (VF -> PF) get tso stats */
HCLGE_MBX_LINK_STAT_CHANGE, /* (PF -> VF) link status has changed */
HCLGE_MBX_GET_BASE_CONFIG, /* (VF -> PF) get config */
HCLGE_MBX_BIND_FUNC_QUEUE, /* (VF -> PF) bind function and queue */
HCLGE_MBX_GET_LINK_STATUS, /* (VF -> PF) get link status */
HCLGE_MBX_QUEUE_RESET, /* (VF -> PF) reset queue */
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 */
HCLGE_MBX_LINK_STAT_MODE, /* (PF -> VF) link mode has changed */
HCLGE_MBX_GET_LINK_MODE, /* (VF -> PF) get the link mode of pf */
HCLGE_MBX_PUSH_VLAN_INFO, /* (PF -> VF) push port base vlan */
HCLGE_MBX_GET_MEDIA_TYPE, /* (VF -> PF) get media type */
HCLGE_MBX_PUSH_PROMISC_INFO, /* (PF -> VF) push vf promisc info */
HCLGE_MBX_VF_UNINIT, /* (VF -> PF) vf is unintializing */
HCLGE_MBX_HANDLE_VF_TBL, /* (VF -> PF) store/clear hw table */
HCLGE_MBX_GET_RING_VECTOR_MAP, /* (VF -> PF) get ring-to-vector map */
HCLGE_MBX_GET_VF_FLR_STATUS = 200, /* (M7 -> PF) get vf flr status */
HCLGE_MBX_PUSH_LINK_STATUS, /* (M7 -> PF) get port link status */
HCLGE_MBX_NCSI_ERROR, /* (M7 -> PF) receive a NCSI error */
};
/* below are per-VF mac-vlan subcodes */
enum hclge_mbx_mac_vlan_subcode {
HCLGE_MBX_MAC_VLAN_UC_MODIFY = 0, /* modify UC mac addr */
HCLGE_MBX_MAC_VLAN_UC_ADD, /* add a new UC mac addr */
HCLGE_MBX_MAC_VLAN_UC_REMOVE, /* remove a new UC mac addr */
HCLGE_MBX_MAC_VLAN_MC_MODIFY, /* modify MC mac addr */
HCLGE_MBX_MAC_VLAN_MC_ADD, /* add new MC mac addr */
HCLGE_MBX_MAC_VLAN_MC_REMOVE, /* remove MC mac addr */
};
/* below are per-VF vlan cfg subcodes */
enum hclge_mbx_vlan_cfg_subcode {
HCLGE_MBX_VLAN_FILTER = 0, /* set vlan filter */
HCLGE_MBX_VLAN_TX_OFF_CFG, /* set tx side vlan offload */
HCLGE_MBX_VLAN_RX_OFF_CFG, /* set rx side vlan offload */
HCLGE_MBX_PORT_BASE_VLAN_CFG, /* set port based vlan configuration */
HCLGE_MBX_GET_PORT_BASE_VLAN_STATE, /* get port based vlan state */
HCLGE_MBX_ENABLE_VLAN_FILTER,
};
enum hclge_mbx_tbl_cfg_subcode {
HCLGE_MBX_VPORT_LIST_CLEAR,
};
#define HCLGE_MBX_MAX_MSG_SIZE 14
#define HCLGE_MBX_MAX_RESP_DATA_SIZE 8U
#define HCLGE_MBX_MAX_RING_CHAIN_PARAM_NUM 4
#define HCLGE_RESET_SCHED_TIMEOUT (3 * HZ)
#define HCLGE_MBX_SCHED_TIMEOUT (HZ / 2)
struct hclge_ring_chain_param {
u8 ring_type;
u8 tqp_index;
u8 int_gl_index;
};
struct hclge_basic_info {
u8 hw_tc_map;
u8 rsv;
__le16 mbx_api_version;
__le32 pf_caps;
};
struct hclgevf_mbx_resp_status {
struct mutex mbx_mutex; /* protects against contending sync cmd resp */
u32 origin_mbx_msg;
bool received_resp;
int resp_status;
u16 match_id;
u8 additional_info[HCLGE_MBX_MAX_RESP_DATA_SIZE];
};
struct hclge_respond_to_vf_msg {
int status;
u8 data[HCLGE_MBX_MAX_RESP_DATA_SIZE];
u16 len;
};
struct hclge_vf_to_pf_msg {
u8 code;
union {
struct {
u8 subcode;
u8 data[HCLGE_MBX_MAX_MSG_SIZE];
};
struct {
u8 en_bc;
u8 en_uc;
u8 en_mc;
u8 en_limit_promisc;
};
struct {
u8 vector_id;
u8 ring_num;
struct hclge_ring_chain_param
param[HCLGE_MBX_MAX_RING_CHAIN_PARAM_NUM];
};
};
};
struct hclge_pf_to_vf_msg {
__le16 code;
union {
/* used for mbx response */
struct {
__le16 vf_mbx_msg_code;
__le16 vf_mbx_msg_subcode;
__le16 resp_status;
u8 resp_data[HCLGE_MBX_MAX_RESP_DATA_SIZE];
};
/* used for general mbx */
struct {
u8 msg_data[HCLGE_MBX_MAX_MSG_SIZE];
};
};
};
struct hclge_mbx_vf_to_pf_cmd {
u8 rsv;
u8 mbx_src_vfid; /* Auto filled by IMP */
u8 mbx_need_resp;
u8 rsv1[1];
u8 msg_len;
u8 rsv2;
__le16 match_id;
struct hclge_vf_to_pf_msg msg;
};
#define HCLGE_MBX_NEED_RESP_B 0
struct hclge_mbx_pf_to_vf_cmd {
u8 dest_vfid;
u8 rsv[3];
u8 msg_len;
u8 rsv1;
__le16 match_id;
struct hclge_pf_to_vf_msg msg;
};
struct hclge_vf_rst_cmd {
u8 dest_vfid;
u8 vf_rst;
u8 rsv[22];
};
#pragma pack(1)
struct hclge_mbx_link_status {
__le16 link_status;
__le32 speed;
__le16 duplex;
u8 flag;
};
struct hclge_mbx_link_mode {
__le16 idx;
__le64 link_mode;
};
struct hclge_mbx_port_base_vlan {
__le16 state;
__le16 vlan_proto;
__le16 qos;
__le16 vlan_tag;
};
struct hclge_mbx_vf_queue_info {
__le16 num_tqps;
__le16 rss_size;
__le16 rx_buf_len;
};
struct hclge_mbx_vf_queue_depth {
__le16 num_tx_desc;
__le16 num_rx_desc;
};
struct hclge_mbx_vlan_filter {
u8 is_kill;
__le16 vlan_id;
__le16 proto;
};
struct hclge_mbx_mtu_info {
__le32 mtu;
};
#pragma pack()
/* used by VF to store the received Async responses from PF */
struct hclgevf_mbx_arq_ring {
#define HCLGE_MBX_MAX_ARQ_MSG_SIZE 8
#define HCLGE_MBX_MAX_ARQ_MSG_NUM 1024
struct hclgevf_dev *hdev;
u32 head;
u32 tail;
atomic_t count;
__le16 msg_q[HCLGE_MBX_MAX_ARQ_MSG_NUM][HCLGE_MBX_MAX_ARQ_MSG_SIZE];
};
struct hclge_dev;
#define HCLGE_MBX_OPCODE_MAX 256
struct hclge_mbx_ops_param {
struct hclge_vport *vport;
struct hclge_mbx_vf_to_pf_cmd *req;
struct hclge_respond_to_vf_msg *resp_msg;
};
typedef int (*hclge_mbx_ops_fn)(struct hclge_mbx_ops_param *param);
#define hclge_mbx_ring_ptr_move_crq(crq) \
(crq->next_to_use = (crq->next_to_use + 1) % crq->desc_num)
#define hclge_mbx_tail_ptr_move_arq(arq) \
(arq.tail = (arq.tail + 1) % HCLGE_MBX_MAX_ARQ_MSG_NUM)
#define hclge_mbx_head_ptr_move_arq(arq) \
(arq.head = (arq.head + 1) % HCLGE_MBX_MAX_ARQ_MSG_NUM)
/* PF immediately push link status to VFs when link status changed */
#define HCLGE_MBX_PUSH_LINK_STATUS_EN BIT(0)
#endif