drivers/net/hinic/base/hinic_pmd_mgmt.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2017 Huawei Technologies Co., Ltd
   3  */
   4
   5 #ifndef _HINIC_PMD_MGMT_H_
   6 #define _HINIC_PMD_MGMT_H_
   7
   8 #include "hinic_pmd_api_cmd.h"
   9 #include "hinic_pmd_eqs.h"
  10
  11 #define HINIC_MSG_HEADER_MSG_LEN_SHIFT                          0
  12 #define HINIC_MSG_HEADER_MODULE_SHIFT                           11
  13 #define HINIC_MSG_HEADER_SEG_LEN_SHIFT                          16
  14 #define HINIC_MSG_HEADER_NO_ACK_SHIFT                           22
  15 #define HINIC_MSG_HEADER_ASYNC_MGMT_TO_PF_SHIFT                 23
  16 #define HINIC_MSG_HEADER_SEQID_SHIFT                            24
  17 #define HINIC_MSG_HEADER_LAST_SHIFT                             30
  18 #define HINIC_MSG_HEADER_DIRECTION_SHIFT                        31
  19 #define HINIC_MSG_HEADER_CMD_SHIFT                              32
  20 #define HINIC_MSG_HEADER_PCI_INTF_IDX_SHIFT                     48
  21 #define HINIC_MSG_HEADER_P2P_IDX_SHIFT                          50
  22 #define HINIC_MSG_HEADER_MSG_ID_SHIFT                           54
  23
  24 #define HINIC_MSG_HEADER_MSG_LEN_MASK                           0x7FF
  25 #define HINIC_MSG_HEADER_MODULE_MASK                            0x1F
  26 #define HINIC_MSG_HEADER_SEG_LEN_MASK                           0x3F
  27 #define HINIC_MSG_HEADER_NO_ACK_MASK                            0x1
  28 #define HINIC_MSG_HEADER_ASYNC_MGMT_TO_PF_MASK                  0x1
  29 #define HINIC_MSG_HEADER_SEQID_MASK                             0x3F
  30 #define HINIC_MSG_HEADER_LAST_MASK                              0x1
  31 #define HINIC_MSG_HEADER_DIRECTION_MASK                         0x1
  32 #define HINIC_MSG_HEADER_CMD_MASK                               0xFF
  33 #define HINIC_MSG_HEADER_PCI_INTF_IDX_MASK                      0x3
  34 #define HINIC_MSG_HEADER_P2P_IDX_MASK                           0xF
  35 #define HINIC_MSG_HEADER_MSG_ID_MASK                            0x3FF
  36
  37 #define HINIC_MSG_HEADER_GET(val, member)                       \
  38                 (((val) >> HINIC_MSG_HEADER_##member##_SHIFT) & \
  39                 HINIC_MSG_HEADER_##member##_MASK)
  40
  41 #define HINIC_MSG_HEADER_SET(val, member)                       \
  42                 ((u64)((val) & HINIC_MSG_HEADER_##member##_MASK) << \
  43                 HINIC_MSG_HEADER_##member##_SHIFT)
  44
  45 #define HINIC_MGMT_RSP_AEQN             (1)
  46
  47 enum hinic_msg_direction_type {
  48         HINIC_MSG_DIRECT_SEND   = 0,
  49         HINIC_MSG_RESPONSE      = 1
  50 };
  51 enum hinic_msg_segment_type {
  52         NOT_LAST_SEGMENT = 0,
  53         LAST_SEGMENT    = 1,
  54 };
  55
  56 enum hinic_msg_ack_type {
  57         HINIC_MSG_ACK = 0,
  58         HINIC_MSG_NO_ACK = 1,
  59 };
  60
  61 struct hinic_recv_msg {
  62         void                    *msg;
  63         void                    *buf_out;
  64
  65         u16                     msg_len;
  66         enum hinic_mod_type     mod;
  67         u8                      cmd;
  68         u16                     msg_id;
  69         int                     async_mgmt_to_pf;
  70         u8                      sed_id;
  71 };
  72
  73 #define HINIC_COMM_SELF_CMD_MAX 8
  74
  75 enum comm_pf_to_mgmt_event_state {
  76         SEND_EVENT_START = 0,
  77         SEND_EVENT_TIMEOUT,
  78         SEND_EVENT_END,
  79 };
  80
  81 struct hinic_msg_pf_to_mgmt {
  82         struct hinic_hwdev              *hwdev;
  83
  84         /* Async cmd can not be scheduling */
  85         spinlock_t                      async_msg_lock;
  86         /* spinlock for sync message */
  87         spinlock_t                      sync_msg_lock;
  88
  89         void                            *async_msg_buf;
  90         void                            *sync_msg_buf;
  91
  92         struct hinic_recv_msg           recv_msg_from_mgmt;
  93         struct hinic_recv_msg           recv_resp_msg_from_mgmt;
  94
  95         u16                             async_msg_id;
  96         u16                             sync_msg_id;
  97
  98         struct hinic_api_cmd_chain      *cmd_chain[HINIC_API_CMD_MAX];
  99
 100         struct hinic_eq *rx_aeq;
 101 };
 102
 103 int hinic_msg_to_mgmt_no_ack(void *hwdev, enum hinic_mod_type mod, u8 cmd,
 104                              void *buf_in, u16 in_size, void *buf_out,
 105                              u16 *out_size);
 106
 107 int hinic_comm_pf_to_mgmt_init(struct hinic_hwdev *hwdev);
 108
 109 void hinic_comm_pf_to_mgmt_free(struct hinic_hwdev *hwdev);
 110
 111 int hinic_aeq_poll_msg(struct hinic_eq *eq, u32 timeout, void *param);
 112
 113 int hinic_msg_to_mgmt_sync(void *hwdev, enum hinic_mod_type mod, u8 cmd,
 114                            void *buf_in, u16 in_size,
 115                            void *buf_out, u16 *out_size, u32 timeout);
 116
 117 void hinic_dev_handle_aeq_event(struct hinic_hwdev *hwdev, void *param);
 118
 119 #endif /* _HINIC_PMD_MGMT_H_ */