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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>
#define HCLGE_MBX_VF_MSG_DATA_NUM 16
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_TCINFO, /* (VF -> PF) get TC config */
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 respone 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 */
};
/* 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 */
};
#define HCLGE_MBX_MAX_MSG_SIZE 16
#define HCLGE_MBX_MAX_RESP_DATA_SIZE 8
#define HCLGE_MBX_RING_MAP_BASIC_MSG_NUM 3
#define HCLGE_MBX_RING_NODE_VARIABLE_NUM 3
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;
u8 additional_info[HCLGE_MBX_MAX_RESP_DATA_SIZE];
};
struct hclge_mbx_vf_to_pf_cmd {
u8 rsv;
u8 mbx_src_vfid; /* Auto filled by IMP */
u8 rsv1[2];
u8 msg_len;
u8 rsv2[3];
u8 msg[HCLGE_MBX_MAX_MSG_SIZE];
};
struct hclge_mbx_pf_to_vf_cmd {
u8 dest_vfid;
u8 rsv[3];
u8 msg_len;
u8 rsv1[3];
u16 msg[8];
};
/* 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;
u32 count;
u16 msg_q[HCLGE_MBX_MAX_ARQ_MSG_NUM][HCLGE_MBX_MAX_ARQ_MSG_SIZE];
};
#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_SIZE)
#define hclge_mbx_head_ptr_move_arq(arq) \
(arq.head = (arq.head + 1) % HCLGE_MBX_MAX_ARQ_MSG_SIZE)
#endif
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