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1 /*******************************************************************************
2 *
3 * Copyright (c) 2015-2016 Intel Corporation.  All rights reserved.
4 *
5 * This software is available to you under a choice of one of two
6 * licenses.  You may choose to be licensed under the terms of the GNU
7 * General Public License (GPL) Version 2, available from the file
8 * COPYING in the main directory of this source tree, or the
9 * OpenFabrics.org BSD license below:
10 *
11 *   Redistribution and use in source and binary forms, with or
12 *   without modification, are permitted provided that the following
13 *   conditions are met:
14 *
15 *    - Redistributions of source code must retain the above
16 *	copyright notice, this list of conditions and the following
17 *	disclaimer.
18 *
19 *    - Redistributions in binary form must reproduce the above
20 *	copyright notice, this list of conditions and the following
21 *	disclaimer in the documentation and/or other materials
22 *	provided with the distribution.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31 * SOFTWARE.
32 *
33 *******************************************************************************/
34 
35 #ifndef I40IW_VIRTCHNL_H
36 #define I40IW_VIRTCHNL_H
37 
38 #include "i40iw_hmc.h"
39 
40 #pragma pack(push, 1)
41 
42 struct i40iw_virtchnl_op_buf {
43 	u16 iw_op_code;
44 	u16 iw_op_ver;
45 	u16 iw_chnl_buf_len;
46 	u16 rsvd;
47 	u64 iw_chnl_op_ctx;
48 	/* Member alignment MUST be maintained above this location */
49 	u8 iw_chnl_buf[1];
50 };
51 
52 struct i40iw_virtchnl_resp_buf {
53 	u64 iw_chnl_op_ctx;
54 	u16 iw_chnl_buf_len;
55 	s16 iw_op_ret_code;
56 	/* Member alignment MUST be maintained above this location */
57 	u16 rsvd[2];
58 	u8 iw_chnl_buf[1];
59 };
60 
61 enum i40iw_virtchnl_ops {
62 	I40IW_VCHNL_OP_GET_VER = 0,
63 	I40IW_VCHNL_OP_GET_HMC_FCN,
64 	I40IW_VCHNL_OP_ADD_HMC_OBJ_RANGE,
65 	I40IW_VCHNL_OP_DEL_HMC_OBJ_RANGE,
66 	I40IW_VCHNL_OP_GET_STATS
67 };
68 
69 #define I40IW_VCHNL_OP_GET_VER_V0 0
70 #define I40IW_VCHNL_OP_GET_HMC_FCN_V0 0
71 #define I40IW_VCHNL_OP_ADD_HMC_OBJ_RANGE_V0 0
72 #define I40IW_VCHNL_OP_DEL_HMC_OBJ_RANGE_V0 0
73 #define I40IW_VCHNL_OP_GET_STATS_V0 0
74 #define I40IW_VCHNL_CHNL_VER_V0 0
75 
76 struct i40iw_dev_hw_stats;
77 
78 struct i40iw_virtchnl_hmc_obj_range {
79 	u16 obj_type;
80 	u16 rsvd;
81 	u32 start_index;
82 	u32 obj_count;
83 };
84 
85 enum i40iw_status_code i40iw_vchnl_recv_pf(struct i40iw_sc_dev *dev,
86 					   u32 vf_id,
87 					   u8 *msg,
88 					   u16 len);
89 
90 enum i40iw_status_code i40iw_vchnl_recv_vf(struct i40iw_sc_dev *dev,
91 					   u32 vf_id,
92 					   u8 *msg,
93 					   u16 len);
94 
95 struct i40iw_virtchnl_req {
96 	struct i40iw_sc_dev *dev;
97 	struct i40iw_virtchnl_op_buf *vchnl_msg;
98 	void *parm;
99 	u32 vf_id;
100 	u16 parm_len;
101 	s16 ret_code;
102 };
103 
104 #pragma pack(pop)
105 
106 enum i40iw_status_code i40iw_vchnl_vf_get_ver(struct i40iw_sc_dev *dev,
107 					      u32 *vchnl_ver);
108 
109 enum i40iw_status_code i40iw_vchnl_vf_get_hmc_fcn(struct i40iw_sc_dev *dev,
110 						  u16 *hmc_fcn);
111 
112 enum i40iw_status_code i40iw_vchnl_vf_add_hmc_objs(struct i40iw_sc_dev *dev,
113 						   enum i40iw_hmc_rsrc_type rsrc_type,
114 						   u32 start_index,
115 						   u32 rsrc_count);
116 
117 enum i40iw_status_code i40iw_vchnl_vf_del_hmc_obj(struct i40iw_sc_dev *dev,
118 						  enum i40iw_hmc_rsrc_type rsrc_type,
119 						  u32 start_index,
120 						  u32 rsrc_count);
121 
122 enum i40iw_status_code i40iw_vchnl_vf_get_pe_stats(struct i40iw_sc_dev *dev,
123 						   struct i40iw_dev_hw_stats *hw_stats);
124 #endif
125