hisilicon/hns3/hclge_mbx.h

0001 /* SPDX-License-Identifier: GPL-2.0+ */
0002 /* Copyright (c) 2016-2017 Hisilicon Limited. */
0003
0004 #ifndef __HCLGE_MBX_H
0005 #define __HCLGE_MBX_H
0006 #include <linux/init.h>
0007 #include <linux/mutex.h>
0008 #include <linux/types.h>
0009
0010 enum HCLGE_MBX_OPCODE {
0011     HCLGE_MBX_RESET = 0x01,     /* (VF -> PF) assert reset */
0012     HCLGE_MBX_ASSERTING_RESET,  /* (PF -> VF) PF is asserting reset */
0013     HCLGE_MBX_SET_UNICAST,      /* (VF -> PF) set UC addr */
0014     HCLGE_MBX_SET_MULTICAST,    /* (VF -> PF) set MC addr */
0015     HCLGE_MBX_SET_VLAN,     /* (VF -> PF) set VLAN */
0016     HCLGE_MBX_MAP_RING_TO_VECTOR,   /* (VF -> PF) map ring-to-vector */
0017     HCLGE_MBX_UNMAP_RING_TO_VECTOR, /* (VF -> PF) unamp ring-to-vector */
0018     HCLGE_MBX_SET_PROMISC_MODE, /* (VF -> PF) set promiscuous mode */
0019     HCLGE_MBX_SET_MACVLAN,      /* (VF -> PF) set unicast filter */
0020     HCLGE_MBX_API_NEGOTIATE,    /* (VF -> PF) negotiate API version */
0021     HCLGE_MBX_GET_QINFO,        /* (VF -> PF) get queue config */
0022     HCLGE_MBX_GET_QDEPTH,       /* (VF -> PF) get queue depth */
0023     HCLGE_MBX_GET_BASIC_INFO,   /* (VF -> PF) get basic info */
0024     HCLGE_MBX_GET_RETA,     /* (VF -> PF) get RETA */
0025     HCLGE_MBX_GET_RSS_KEY,      /* (VF -> PF) get RSS key */
0026     HCLGE_MBX_GET_MAC_ADDR,     /* (VF -> PF) get MAC addr */
0027     HCLGE_MBX_PF_VF_RESP,       /* (PF -> VF) generate response to VF */
0028     HCLGE_MBX_GET_BDNUM,        /* (VF -> PF) get BD num */
0029     HCLGE_MBX_GET_BUFSIZE,      /* (VF -> PF) get buffer size */
0030     HCLGE_MBX_GET_STREAMID,     /* (VF -> PF) get stream id */
0031     HCLGE_MBX_SET_AESTART,      /* (VF -> PF) start ae */
0032     HCLGE_MBX_SET_TSOSTATS,     /* (VF -> PF) get tso stats */
0033     HCLGE_MBX_LINK_STAT_CHANGE, /* (PF -> VF) link status has changed */
0034     HCLGE_MBX_GET_BASE_CONFIG,  /* (VF -> PF) get config */
0035     HCLGE_MBX_BIND_FUNC_QUEUE,  /* (VF -> PF) bind function and queue */
0036     HCLGE_MBX_GET_LINK_STATUS,  /* (VF -> PF) get link status */
0037     HCLGE_MBX_QUEUE_RESET,      /* (VF -> PF) reset queue */
0038     HCLGE_MBX_KEEP_ALIVE,       /* (VF -> PF) send keep alive cmd */
0039     HCLGE_MBX_SET_ALIVE,        /* (VF -> PF) set alive state */
0040     HCLGE_MBX_SET_MTU,      /* (VF -> PF) set mtu */
0041     HCLGE_MBX_GET_QID_IN_PF,    /* (VF -> PF) get queue id in pf */
0042     HCLGE_MBX_LINK_STAT_MODE,   /* (PF -> VF) link mode has changed */
0043     HCLGE_MBX_GET_LINK_MODE,    /* (VF -> PF) get the link mode of pf */
0044     HCLGE_MBX_PUSH_VLAN_INFO,   /* (PF -> VF) push port base vlan */
0045     HCLGE_MBX_GET_MEDIA_TYPE,       /* (VF -> PF) get media type */
0046     HCLGE_MBX_PUSH_PROMISC_INFO,    /* (PF -> VF) push vf promisc info */
0047     HCLGE_MBX_VF_UNINIT,            /* (VF -> PF) vf is unintializing */
0048     HCLGE_MBX_HANDLE_VF_TBL,    /* (VF -> PF) store/clear hw table */
0049     HCLGE_MBX_GET_RING_VECTOR_MAP,  /* (VF -> PF) get ring-to-vector map */
0050
0051     HCLGE_MBX_GET_VF_FLR_STATUS = 200, /* (M7 -> PF) get vf flr status */
0052     HCLGE_MBX_PUSH_LINK_STATUS, /* (M7 -> PF) get port link status */
0053     HCLGE_MBX_NCSI_ERROR,       /* (M7 -> PF) receive a NCSI error */
0054 };
0055
0056 /* below are per-VF mac-vlan subcodes */
0057 enum hclge_mbx_mac_vlan_subcode {
0058     HCLGE_MBX_MAC_VLAN_UC_MODIFY = 0,   /* modify UC mac addr */
0059     HCLGE_MBX_MAC_VLAN_UC_ADD,      /* add a new UC mac addr */
0060     HCLGE_MBX_MAC_VLAN_UC_REMOVE,       /* remove a new UC mac addr */
0061     HCLGE_MBX_MAC_VLAN_MC_MODIFY,       /* modify MC mac addr */
0062     HCLGE_MBX_MAC_VLAN_MC_ADD,      /* add new MC mac addr */
0063     HCLGE_MBX_MAC_VLAN_MC_REMOVE,       /* remove MC mac addr */
0064 };
0065
0066 /* below are per-VF vlan cfg subcodes */
0067 enum hclge_mbx_vlan_cfg_subcode {
0068     HCLGE_MBX_VLAN_FILTER = 0,  /* set vlan filter */
0069     HCLGE_MBX_VLAN_TX_OFF_CFG,  /* set tx side vlan offload */
0070     HCLGE_MBX_VLAN_RX_OFF_CFG,  /* set rx side vlan offload */
0071     HCLGE_MBX_PORT_BASE_VLAN_CFG,   /* set port based vlan configuration */
0072     HCLGE_MBX_GET_PORT_BASE_VLAN_STATE, /* get port based vlan state */
0073     HCLGE_MBX_ENABLE_VLAN_FILTER,
0074 };
0075
0076 enum hclge_mbx_tbl_cfg_subcode {
0077     HCLGE_MBX_VPORT_LIST_CLEAR,
0078 };
0079
0080 #define HCLGE_MBX_MAX_MSG_SIZE  14
0081 #define HCLGE_MBX_MAX_RESP_DATA_SIZE    8U
0082 #define HCLGE_MBX_MAX_RING_CHAIN_PARAM_NUM  4
0083
0084 #define HCLGE_RESET_SCHED_TIMEOUT   (3 * HZ)
0085 #define HCLGE_MBX_SCHED_TIMEOUT (HZ / 2)
0086
0087 struct hclge_ring_chain_param {
0088     u8 ring_type;
0089     u8 tqp_index;
0090     u8 int_gl_index;
0091 };
0092
0093 struct hclge_basic_info {
0094     u8 hw_tc_map;
0095     u8 rsv;
0096     __le16 mbx_api_version;
0097     __le32 pf_caps;
0098 };
0099
0100 struct hclgevf_mbx_resp_status {
0101     struct mutex mbx_mutex; /* protects against contending sync cmd resp */
0102     u32 origin_mbx_msg;
0103     bool received_resp;
0104     int resp_status;
0105     u16 match_id;
0106     u8 additional_info[HCLGE_MBX_MAX_RESP_DATA_SIZE];
0107 };
0108
0109 struct hclge_respond_to_vf_msg {
0110     int status;
0111     u8 data[HCLGE_MBX_MAX_RESP_DATA_SIZE];
0112     u16 len;
0113 };
0114
0115 struct hclge_vf_to_pf_msg {
0116     u8 code;
0117     union {
0118         struct {
0119             u8 subcode;
0120             u8 data[HCLGE_MBX_MAX_MSG_SIZE];
0121         };
0122         struct {
0123             u8 en_bc;
0124             u8 en_uc;
0125             u8 en_mc;
0126             u8 en_limit_promisc;
0127         };
0128         struct {
0129             u8 vector_id;
0130             u8 ring_num;
0131             struct hclge_ring_chain_param
0132                 param[HCLGE_MBX_MAX_RING_CHAIN_PARAM_NUM];
0133         };
0134     };
0135 };
0136
0137 struct hclge_pf_to_vf_msg {
0138     __le16 code;
0139     union {
0140         /* used for mbx response */
0141         struct {
0142             __le16 vf_mbx_msg_code;
0143             __le16 vf_mbx_msg_subcode;
0144             __le16 resp_status;
0145             u8 resp_data[HCLGE_MBX_MAX_RESP_DATA_SIZE];
0146         };
0147         /* used for general mbx */
0148         struct {
0149             u8 msg_data[HCLGE_MBX_MAX_MSG_SIZE];
0150         };
0151     };
0152 };
0153
0154 struct hclge_mbx_vf_to_pf_cmd {
0155     u8 rsv;
0156     u8 mbx_src_vfid; /* Auto filled by IMP */
0157     u8 mbx_need_resp;
0158     u8 rsv1[1];
0159     u8 msg_len;
0160     u8 rsv2;
0161     __le16 match_id;
0162     struct hclge_vf_to_pf_msg msg;
0163 };
0164
0165 #define HCLGE_MBX_NEED_RESP_B       0
0166
0167 struct hclge_mbx_pf_to_vf_cmd {
0168     u8 dest_vfid;
0169     u8 rsv[3];
0170     u8 msg_len;
0171     u8 rsv1;
0172     __le16 match_id;
0173     struct hclge_pf_to_vf_msg msg;
0174 };
0175
0176 struct hclge_vf_rst_cmd {
0177     u8 dest_vfid;
0178     u8 vf_rst;
0179     u8 rsv[22];
0180 };
0181
0182 #pragma pack(1)
0183 struct hclge_mbx_link_status {
0184     __le16 link_status;
0185     __le32 speed;
0186     __le16 duplex;
0187     u8 flag;
0188 };
0189
0190 struct hclge_mbx_link_mode {
0191     __le16 idx;
0192     __le64 link_mode;
0193 };
0194
0195 struct hclge_mbx_port_base_vlan {
0196     __le16 state;
0197     __le16 vlan_proto;
0198     __le16 qos;
0199     __le16 vlan_tag;
0200 };
0201
0202 struct hclge_mbx_vf_queue_info {
0203     __le16 num_tqps;
0204     __le16 rss_size;
0205     __le16 rx_buf_len;
0206 };
0207
0208 struct hclge_mbx_vf_queue_depth {
0209     __le16 num_tx_desc;
0210     __le16 num_rx_desc;
0211 };
0212
0213 struct hclge_mbx_vlan_filter {
0214     u8 is_kill;
0215     __le16 vlan_id;
0216     __le16 proto;
0217 };
0218
0219 struct hclge_mbx_mtu_info {
0220     __le32 mtu;
0221 };
0222
0223 #pragma pack()
0224
0225 /* used by VF to store the received Async responses from PF */
0226 struct hclgevf_mbx_arq_ring {
0227 #define HCLGE_MBX_MAX_ARQ_MSG_SIZE  8
0228 #define HCLGE_MBX_MAX_ARQ_MSG_NUM   1024
0229     struct hclgevf_dev *hdev;
0230     u32 head;
0231     u32 tail;
0232     atomic_t count;
0233     __le16 msg_q[HCLGE_MBX_MAX_ARQ_MSG_NUM][HCLGE_MBX_MAX_ARQ_MSG_SIZE];
0234 };
0235
0236 #define hclge_mbx_ring_ptr_move_crq(crq) \
0237     (crq->next_to_use = (crq->next_to_use + 1) % crq->desc_num)
0238 #define hclge_mbx_tail_ptr_move_arq(arq) \
0239         (arq.tail = (arq.tail + 1) % HCLGE_MBX_MAX_ARQ_MSG_NUM)
0240 #define hclge_mbx_head_ptr_move_arq(arq) \
0241         (arq.head = (arq.head + 1) % HCLGE_MBX_MAX_ARQ_MSG_NUM)
0242
0243 /* PF immediately push link status to VFs when link status changed */
0244 #define HCLGE_MBX_PUSH_LINK_STATUS_EN           BIT(0)
0245 #endif