1 /* 2 * Huawei HiNIC PCI Express Linux driver 3 * Copyright(c) 2017 Huawei Technologies Co., Ltd 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms and conditions of the GNU General Public License, 7 * version 2, as published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * for more details. 13 * 14 */ 15 16 #ifndef HINIC_HW_MGMT_H 17 #define HINIC_HW_MGMT_H 18 19 #include <linux/types.h> 20 #include <linux/semaphore.h> 21 #include <linux/completion.h> 22 #include <linux/bitops.h> 23 24 #include "hinic_hw_if.h" 25 #include "hinic_hw_api_cmd.h" 26 27 #define HINIC_MSG_HEADER_MSG_LEN_SHIFT 0 28 #define HINIC_MSG_HEADER_MODULE_SHIFT 11 29 #define HINIC_MSG_HEADER_SEG_LEN_SHIFT 16 30 #define HINIC_MSG_HEADER_NO_ACK_SHIFT 22 31 #define HINIC_MSG_HEADER_ASYNC_MGMT_TO_PF_SHIFT 23 32 #define HINIC_MSG_HEADER_SEQID_SHIFT 24 33 #define HINIC_MSG_HEADER_LAST_SHIFT 30 34 #define HINIC_MSG_HEADER_DIRECTION_SHIFT 31 35 #define HINIC_MSG_HEADER_CMD_SHIFT 32 36 #define HINIC_MSG_HEADER_ZEROS_SHIFT 40 37 #define HINIC_MSG_HEADER_PCI_INTF_SHIFT 48 38 #define HINIC_MSG_HEADER_PF_IDX_SHIFT 50 39 #define HINIC_MSG_HEADER_MSG_ID_SHIFT 54 40 41 #define HINIC_MSG_HEADER_MSG_LEN_MASK 0x7FF 42 #define HINIC_MSG_HEADER_MODULE_MASK 0x1F 43 #define HINIC_MSG_HEADER_SEG_LEN_MASK 0x3F 44 #define HINIC_MSG_HEADER_NO_ACK_MASK 0x1 45 #define HINIC_MSG_HEADER_ASYNC_MGMT_TO_PF_MASK 0x1 46 #define HINIC_MSG_HEADER_SEQID_MASK 0x3F 47 #define HINIC_MSG_HEADER_LAST_MASK 0x1 48 #define HINIC_MSG_HEADER_DIRECTION_MASK 0x1 49 #define HINIC_MSG_HEADER_CMD_MASK 0xFF 50 #define HINIC_MSG_HEADER_ZEROS_MASK 0xFF 51 #define HINIC_MSG_HEADER_PCI_INTF_MASK 0x3 52 #define HINIC_MSG_HEADER_PF_IDX_MASK 0xF 53 #define HINIC_MSG_HEADER_MSG_ID_MASK 0x3FF 54 55 #define HINIC_MSG_HEADER_SET(val, member) \ 56 ((u64)((val) & HINIC_MSG_HEADER_##member##_MASK) << \ 57 HINIC_MSG_HEADER_##member##_SHIFT) 58 59 #define HINIC_MSG_HEADER_GET(val, member) \ 60 (((val) >> HINIC_MSG_HEADER_##member##_SHIFT) & \ 61 HINIC_MSG_HEADER_##member##_MASK) 62 63 enum hinic_mgmt_msg_type { 64 HINIC_MGMT_MSG_SYNC = 1, 65 }; 66 67 enum hinic_cfg_cmd { 68 HINIC_CFG_NIC_CAP = 0, 69 }; 70 71 enum hinic_comm_cmd { 72 HINIC_COMM_CMD_IO_STATUS_GET = 0x3, 73 74 HINIC_COMM_CMD_CMDQ_CTXT_SET = 0x10, 75 HINIC_COMM_CMD_CMDQ_CTXT_GET = 0x11, 76 77 HINIC_COMM_CMD_HWCTXT_SET = 0x12, 78 HINIC_COMM_CMD_HWCTXT_GET = 0x13, 79 80 HINIC_COMM_CMD_SQ_HI_CI_SET = 0x14, 81 82 HINIC_COMM_CMD_RES_STATE_SET = 0x24, 83 84 HINIC_COMM_CMD_IO_RES_CLEAR = 0x29, 85 86 HINIC_COMM_CMD_MAX = 0x32, 87 }; 88 89 enum hinic_mgmt_cb_state { 90 HINIC_MGMT_CB_ENABLED = BIT(0), 91 HINIC_MGMT_CB_RUNNING = BIT(1), 92 }; 93 94 struct hinic_recv_msg { 95 u8 *msg; 96 u8 *buf_out; 97 98 struct completion recv_done; 99 100 u16 cmd; 101 enum hinic_mod_type mod; 102 int async_mgmt_to_pf; 103 104 u16 msg_len; 105 u16 msg_id; 106 }; 107 108 struct hinic_mgmt_cb { 109 void (*cb)(void *handle, u8 cmd, 110 void *buf_in, u16 in_size, 111 void *buf_out, u16 *out_size); 112 113 void *handle; 114 unsigned long state; 115 }; 116 117 struct hinic_pf_to_mgmt { 118 struct hinic_hwif *hwif; 119 120 struct semaphore sync_msg_lock; 121 u16 sync_msg_id; 122 u8 *sync_msg_buf; 123 124 struct hinic_recv_msg recv_resp_msg_from_mgmt; 125 struct hinic_recv_msg recv_msg_from_mgmt; 126 127 struct hinic_api_cmd_chain *cmd_chain[HINIC_API_CMD_MAX]; 128 129 struct hinic_mgmt_cb mgmt_cb[HINIC_MOD_MAX]; 130 }; 131 132 void hinic_register_mgmt_msg_cb(struct hinic_pf_to_mgmt *pf_to_mgmt, 133 enum hinic_mod_type mod, 134 void *handle, 135 void (*callback)(void *handle, 136 u8 cmd, void *buf_in, 137 u16 in_size, void *buf_out, 138 u16 *out_size)); 139 140 void hinic_unregister_mgmt_msg_cb(struct hinic_pf_to_mgmt *pf_to_mgmt, 141 enum hinic_mod_type mod); 142 143 int hinic_msg_to_mgmt(struct hinic_pf_to_mgmt *pf_to_mgmt, 144 enum hinic_mod_type mod, u8 cmd, 145 void *buf_in, u16 in_size, void *buf_out, u16 *out_size, 146 enum hinic_mgmt_msg_type sync); 147 148 int hinic_pf_to_mgmt_init(struct hinic_pf_to_mgmt *pf_to_mgmt, 149 struct hinic_hwif *hwif); 150 151 void hinic_pf_to_mgmt_free(struct hinic_pf_to_mgmt *pf_to_mgmt); 152 153 #endif 154