1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Huawei HiNIC PCI Express Linux driver 4 * Copyright(c) 2017 Huawei Technologies Co., Ltd 5 */ 6 7 #ifndef HINIC_HW_MGMT_H 8 #define HINIC_HW_MGMT_H 9 10 #include <linux/types.h> 11 #include <linux/semaphore.h> 12 #include <linux/completion.h> 13 #include <linux/bitops.h> 14 15 #include "hinic_hw_if.h" 16 #include "hinic_hw_api_cmd.h" 17 18 #define HINIC_MSG_HEADER_MSG_LEN_SHIFT 0 19 #define HINIC_MSG_HEADER_MODULE_SHIFT 11 20 #define HINIC_MSG_HEADER_SEG_LEN_SHIFT 16 21 #define HINIC_MSG_HEADER_NO_ACK_SHIFT 22 22 #define HINIC_MSG_HEADER_ASYNC_MGMT_TO_PF_SHIFT 23 23 #define HINIC_MSG_HEADER_SEQID_SHIFT 24 24 #define HINIC_MSG_HEADER_LAST_SHIFT 30 25 #define HINIC_MSG_HEADER_DIRECTION_SHIFT 31 26 #define HINIC_MSG_HEADER_CMD_SHIFT 32 27 #define HINIC_MSG_HEADER_ZEROS_SHIFT 40 28 #define HINIC_MSG_HEADER_PCI_INTF_SHIFT 48 29 #define HINIC_MSG_HEADER_PF_IDX_SHIFT 50 30 #define HINIC_MSG_HEADER_MSG_ID_SHIFT 54 31 32 #define HINIC_MSG_HEADER_MSG_LEN_MASK 0x7FF 33 #define HINIC_MSG_HEADER_MODULE_MASK 0x1F 34 #define HINIC_MSG_HEADER_SEG_LEN_MASK 0x3F 35 #define HINIC_MSG_HEADER_NO_ACK_MASK 0x1 36 #define HINIC_MSG_HEADER_ASYNC_MGMT_TO_PF_MASK 0x1 37 #define HINIC_MSG_HEADER_SEQID_MASK 0x3F 38 #define HINIC_MSG_HEADER_LAST_MASK 0x1 39 #define HINIC_MSG_HEADER_DIRECTION_MASK 0x1 40 #define HINIC_MSG_HEADER_CMD_MASK 0xFF 41 #define HINIC_MSG_HEADER_ZEROS_MASK 0xFF 42 #define HINIC_MSG_HEADER_PCI_INTF_MASK 0x3 43 #define HINIC_MSG_HEADER_PF_IDX_MASK 0xF 44 #define HINIC_MSG_HEADER_MSG_ID_MASK 0x3FF 45 46 #define HINIC_MSG_HEADER_SET(val, member) \ 47 ((u64)((val) & HINIC_MSG_HEADER_##member##_MASK) << \ 48 HINIC_MSG_HEADER_##member##_SHIFT) 49 50 #define HINIC_MSG_HEADER_GET(val, member) \ 51 (((val) >> HINIC_MSG_HEADER_##member##_SHIFT) & \ 52 HINIC_MSG_HEADER_##member##_MASK) 53 54 enum hinic_mgmt_msg_type { 55 HINIC_MGMT_MSG_SYNC = 1, 56 }; 57 58 enum hinic_cfg_cmd { 59 HINIC_CFG_NIC_CAP = 0, 60 }; 61 62 enum hinic_comm_cmd { 63 HINIC_COMM_CMD_START_FLR = 0x1, 64 HINIC_COMM_CMD_IO_STATUS_GET = 0x3, 65 HINIC_COMM_CMD_DMA_ATTR_SET = 0x4, 66 67 HINIC_COMM_CMD_CMDQ_CTXT_SET = 0x10, 68 HINIC_COMM_CMD_CMDQ_CTXT_GET = 0x11, 69 70 HINIC_COMM_CMD_HWCTXT_SET = 0x12, 71 HINIC_COMM_CMD_HWCTXT_GET = 0x13, 72 73 HINIC_COMM_CMD_SQ_HI_CI_SET = 0x14, 74 75 HINIC_COMM_CMD_RES_STATE_SET = 0x24, 76 77 HINIC_COMM_CMD_IO_RES_CLEAR = 0x29, 78 79 HINIC_COMM_CMD_CEQ_CTRL_REG_WR_BY_UP = 0x33, 80 81 HINIC_COMM_CMD_L2NIC_RESET = 0x4b, 82 83 HINIC_COMM_CMD_PAGESIZE_SET = 0x50, 84 85 HINIC_COMM_CMD_MAX = 0x51, 86 }; 87 88 enum hinic_mgmt_cb_state { 89 HINIC_MGMT_CB_ENABLED = BIT(0), 90 HINIC_MGMT_CB_RUNNING = BIT(1), 91 }; 92 93 struct hinic_recv_msg { 94 u8 *msg; 95 u8 *buf_out; 96 97 struct completion recv_done; 98 99 u16 cmd; 100 enum hinic_mod_type mod; 101 int async_mgmt_to_pf; 102 103 u16 msg_len; 104 u16 msg_id; 105 }; 106 107 struct hinic_mgmt_cb { 108 void (*cb)(void *handle, u8 cmd, 109 void *buf_in, u16 in_size, 110 void *buf_out, u16 *out_size); 111 112 void *handle; 113 unsigned long state; 114 }; 115 116 struct hinic_pf_to_mgmt { 117 struct hinic_hwif *hwif; 118 struct hinic_hwdev *hwdev; 119 struct semaphore sync_msg_lock; 120 u16 sync_msg_id; 121 u8 *sync_msg_buf; 122 123 struct hinic_recv_msg recv_resp_msg_from_mgmt; 124 struct hinic_recv_msg recv_msg_from_mgmt; 125 126 struct hinic_api_cmd_chain *cmd_chain[HINIC_API_CMD_MAX]; 127 128 struct hinic_mgmt_cb mgmt_cb[HINIC_MOD_MAX]; 129 }; 130 131 void hinic_register_mgmt_msg_cb(struct hinic_pf_to_mgmt *pf_to_mgmt, 132 enum hinic_mod_type mod, 133 void *handle, 134 void (*callback)(void *handle, 135 u8 cmd, void *buf_in, 136 u16 in_size, void *buf_out, 137 u16 *out_size)); 138 139 void hinic_unregister_mgmt_msg_cb(struct hinic_pf_to_mgmt *pf_to_mgmt, 140 enum hinic_mod_type mod); 141 142 int hinic_msg_to_mgmt(struct hinic_pf_to_mgmt *pf_to_mgmt, 143 enum hinic_mod_type mod, u8 cmd, 144 void *buf_in, u16 in_size, void *buf_out, u16 *out_size, 145 enum hinic_mgmt_msg_type sync); 146 147 int hinic_pf_to_mgmt_init(struct hinic_pf_to_mgmt *pf_to_mgmt, 148 struct hinic_hwif *hwif); 149 150 void hinic_pf_to_mgmt_free(struct hinic_pf_to_mgmt *pf_to_mgmt); 151 152 #endif 153