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_DEV_H
17 #define HINIC_HW_DEV_H
18 
19 #include <linux/pci.h>
20 #include <linux/types.h>
21 #include <linux/bitops.h>
22 
23 #include "hinic_hw_if.h"
24 #include "hinic_hw_eqs.h"
25 #include "hinic_hw_mgmt.h"
26 #include "hinic_hw_qp.h"
27 #include "hinic_hw_io.h"
28 
29 #define HINIC_MAX_QPS   32
30 
31 #define HINIC_MGMT_NUM_MSG_CMD  (HINIC_MGMT_MSG_CMD_MAX - \
32 				 HINIC_MGMT_MSG_CMD_BASE)
33 
34 struct hinic_cap {
35 	u16     max_qps;
36 	u16     num_qps;
37 };
38 
39 enum hinic_port_cmd {
40 	HINIC_PORT_CMD_CHANGE_MTU       = 2,
41 
42 	HINIC_PORT_CMD_ADD_VLAN         = 3,
43 	HINIC_PORT_CMD_DEL_VLAN         = 4,
44 
45 	HINIC_PORT_CMD_SET_MAC          = 9,
46 	HINIC_PORT_CMD_GET_MAC          = 10,
47 	HINIC_PORT_CMD_DEL_MAC          = 11,
48 
49 	HINIC_PORT_CMD_SET_RX_MODE      = 12,
50 
51 	HINIC_PORT_CMD_GET_LINK_STATE   = 24,
52 
53 	HINIC_PORT_CMD_SET_PORT_STATE   = 41,
54 
55 	HINIC_PORT_CMD_FWCTXT_INIT      = 69,
56 
57 	HINIC_PORT_CMD_SET_FUNC_STATE   = 93,
58 
59 	HINIC_PORT_CMD_GET_GLOBAL_QPN   = 102,
60 
61 	HINIC_PORT_CMD_GET_CAP          = 170,
62 };
63 
64 enum hinic_mgmt_msg_cmd {
65 	HINIC_MGMT_MSG_CMD_BASE         = 160,
66 
67 	HINIC_MGMT_MSG_CMD_LINK_STATUS  = 160,
68 
69 	HINIC_MGMT_MSG_CMD_MAX,
70 };
71 
72 enum hinic_cb_state {
73 	HINIC_CB_ENABLED = BIT(0),
74 	HINIC_CB_RUNNING = BIT(1),
75 };
76 
77 enum hinic_res_state {
78 	HINIC_RES_CLEAN         = 0,
79 	HINIC_RES_ACTIVE        = 1,
80 };
81 
82 struct hinic_cmd_fw_ctxt {
83 	u8      status;
84 	u8      version;
85 	u8      rsvd0[6];
86 
87 	u16     func_idx;
88 	u16     rx_buf_sz;
89 
90 	u32     rsvd1;
91 };
92 
93 struct hinic_cmd_hw_ioctxt {
94 	u8      status;
95 	u8      version;
96 	u8      rsvd0[6];
97 
98 	u16     func_idx;
99 
100 	u16     rsvd1;
101 
102 	u8      set_cmdq_depth;
103 	u8      cmdq_depth;
104 
105 	u8      rsvd2;
106 	u8      rsvd3;
107 	u8      rsvd4;
108 	u8      rsvd5;
109 
110 	u16     rq_depth;
111 	u16     rx_buf_sz_idx;
112 	u16     sq_depth;
113 };
114 
115 struct hinic_cmd_io_status {
116 	u8      status;
117 	u8      version;
118 	u8      rsvd0[6];
119 
120 	u16     func_idx;
121 	u8      rsvd1;
122 	u8      rsvd2;
123 	u32     io_status;
124 };
125 
126 struct hinic_cmd_clear_io_res {
127 	u8      status;
128 	u8      version;
129 	u8      rsvd0[6];
130 
131 	u16     func_idx;
132 	u8      rsvd1;
133 	u8      rsvd2;
134 };
135 
136 struct hinic_cmd_set_res_state {
137 	u8      status;
138 	u8      version;
139 	u8      rsvd0[6];
140 
141 	u16     func_idx;
142 	u8      state;
143 	u8      rsvd1;
144 	u32     rsvd2;
145 };
146 
147 struct hinic_cmd_base_qpn {
148 	u8      status;
149 	u8      version;
150 	u8      rsvd0[6];
151 
152 	u16     func_idx;
153 	u16     qpn;
154 };
155 
156 struct hinic_cmd_hw_ci {
157 	u8      status;
158 	u8      version;
159 	u8      rsvd0[6];
160 
161 	u16     func_idx;
162 
163 	u8      dma_attr_off;
164 	u8      pending_limit;
165 	u8      coalesc_timer;
166 
167 	u8      msix_en;
168 	u16     msix_entry_idx;
169 
170 	u32     sq_id;
171 	u32     rsvd1;
172 	u64     ci_addr;
173 };
174 
175 struct hinic_hwdev {
176 	struct hinic_hwif               *hwif;
177 	struct msix_entry               *msix_entries;
178 
179 	struct hinic_aeqs               aeqs;
180 	struct hinic_func_to_io         func_to_io;
181 
182 	struct hinic_cap                nic_cap;
183 };
184 
185 struct hinic_nic_cb {
186 	void    (*handler)(void *handle, void *buf_in,
187 			   u16 in_size, void *buf_out,
188 			   u16 *out_size);
189 
190 	void            *handle;
191 	unsigned long   cb_state;
192 };
193 
194 struct hinic_pfhwdev {
195 	struct hinic_hwdev              hwdev;
196 
197 	struct hinic_pf_to_mgmt         pf_to_mgmt;
198 
199 	struct hinic_nic_cb             nic_cb[HINIC_MGMT_NUM_MSG_CMD];
200 };
201 
202 void hinic_hwdev_cb_register(struct hinic_hwdev *hwdev,
203 			     enum hinic_mgmt_msg_cmd cmd, void *handle,
204 			     void (*handler)(void *handle, void *buf_in,
205 					     u16 in_size, void *buf_out,
206 					     u16 *out_size));
207 
208 void hinic_hwdev_cb_unregister(struct hinic_hwdev *hwdev,
209 			       enum hinic_mgmt_msg_cmd cmd);
210 
211 int hinic_port_msg_cmd(struct hinic_hwdev *hwdev, enum hinic_port_cmd cmd,
212 		       void *buf_in, u16 in_size, void *buf_out,
213 		       u16 *out_size);
214 
215 int hinic_hwdev_ifup(struct hinic_hwdev *hwdev);
216 
217 void hinic_hwdev_ifdown(struct hinic_hwdev *hwdev);
218 
219 struct hinic_hwdev *hinic_init_hwdev(struct pci_dev *pdev);
220 
221 void hinic_free_hwdev(struct hinic_hwdev *hwdev);
222 
223 int hinic_hwdev_num_qps(struct hinic_hwdev *hwdev);
224 
225 struct hinic_sq *hinic_hwdev_get_sq(struct hinic_hwdev *hwdev, int i);
226 
227 struct hinic_rq *hinic_hwdev_get_rq(struct hinic_hwdev *hwdev, int i);
228 
229 int hinic_hwdev_msix_cnt_set(struct hinic_hwdev *hwdev, u16 msix_index);
230 
231 int hinic_hwdev_msix_set(struct hinic_hwdev *hwdev, u16 msix_index,
232 			 u8 pending_limit, u8 coalesc_timer,
233 			 u8 lli_timer_cfg, u8 lli_credit_limit,
234 			 u8 resend_timer);
235 
236 int hinic_hwdev_hw_ci_addr_set(struct hinic_hwdev *hwdev, struct hinic_sq *sq,
237 			       u8 pending_limit, u8 coalesc_timer);
238 
239 #endif
240