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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_HMC_H
36 #define I40IW_HMC_H
37 
38 #include "i40iw_d.h"
39 
40 struct i40iw_hw;
41 enum i40iw_status_code;
42 
43 #define I40IW_HMC_MAX_BP_COUNT 512
44 #define I40IW_MAX_SD_ENTRIES 11
45 #define I40IW_HW_DBG_HMC_INVALID_BP_MARK     0xCA
46 
47 #define I40IW_HMC_INFO_SIGNATURE	0x484D5347
48 #define I40IW_HMC_PD_CNT_IN_SD		512
49 #define I40IW_HMC_DIRECT_BP_SIZE	0x200000
50 #define I40IW_HMC_MAX_SD_COUNT		4096
51 #define I40IW_HMC_PAGED_BP_SIZE		4096
52 #define I40IW_HMC_PD_BP_BUF_ALIGNMENT	4096
53 #define I40IW_FIRST_VF_FPM_ID		16
54 #define FPM_MULTIPLIER			1024
55 
56 #define I40IW_INC_SD_REFCNT(sd_table)   ((sd_table)->ref_cnt++)
57 #define I40IW_INC_PD_REFCNT(pd_table)   ((pd_table)->ref_cnt++)
58 #define I40IW_INC_BP_REFCNT(bp)         ((bp)->ref_cnt++)
59 
60 #define I40IW_DEC_SD_REFCNT(sd_table)   ((sd_table)->ref_cnt--)
61 #define I40IW_DEC_PD_REFCNT(pd_table)   ((pd_table)->ref_cnt--)
62 #define I40IW_DEC_BP_REFCNT(bp)         ((bp)->ref_cnt--)
63 
64 /**
65  * I40IW_INVALIDATE_PF_HMC_PD - Invalidates the pd cache in the hardware
66  * @hw: pointer to our hw struct
67  * @sd_idx: segment descriptor index
68  * @pd_idx: page descriptor index
69  */
70 #define I40IW_INVALIDATE_PF_HMC_PD(hw, sd_idx, pd_idx)                  \
71 	i40iw_wr32((hw), I40E_PFHMC_PDINV,                                    \
72 		(((sd_idx) << I40E_PFHMC_PDINV_PMSDIDX_SHIFT) |             \
73 		(0x1 << I40E_PFHMC_PDINV_PMSDPARTSEL_SHIFT) | \
74 		((pd_idx) << I40E_PFHMC_PDINV_PMPDIDX_SHIFT)))
75 
76 /**
77  * I40IW_INVALIDATE_VF_HMC_PD - Invalidates the pd cache in the hardware
78  * @hw: pointer to our hw struct
79  * @sd_idx: segment descriptor index
80  * @pd_idx: page descriptor index
81  * @hmc_fn_id: VF's function id
82  */
83 #define I40IW_INVALIDATE_VF_HMC_PD(hw, sd_idx, pd_idx, hmc_fn_id)        \
84 	i40iw_wr32(hw, I40E_GLHMC_VFPDINV(hmc_fn_id - I40IW_FIRST_VF_FPM_ID),  \
85 	     ((sd_idx << I40E_PFHMC_PDINV_PMSDIDX_SHIFT) |              \
86 	      (pd_idx << I40E_PFHMC_PDINV_PMPDIDX_SHIFT)))
87 
88 struct i40iw_hmc_obj_info {
89 	u64 base;
90 	u32 max_cnt;
91 	u32 cnt;
92 	u64 size;
93 };
94 
95 enum i40iw_sd_entry_type {
96 	I40IW_SD_TYPE_INVALID = 0,
97 	I40IW_SD_TYPE_PAGED = 1,
98 	I40IW_SD_TYPE_DIRECT = 2
99 };
100 
101 struct i40iw_hmc_bp {
102 	enum i40iw_sd_entry_type entry_type;
103 	struct i40iw_dma_mem addr;
104 	u32 sd_pd_index;
105 	u32 ref_cnt;
106 };
107 
108 struct i40iw_hmc_pd_entry {
109 	struct i40iw_hmc_bp bp;
110 	u32 sd_index;
111 	bool rsrc_pg;
112 	bool valid;
113 };
114 
115 struct i40iw_hmc_pd_table {
116 	struct i40iw_dma_mem pd_page_addr;
117 	struct i40iw_hmc_pd_entry *pd_entry;
118 	struct i40iw_virt_mem pd_entry_virt_mem;
119 	u32 ref_cnt;
120 	u32 sd_index;
121 };
122 
123 struct i40iw_hmc_sd_entry {
124 	enum i40iw_sd_entry_type entry_type;
125 	bool valid;
126 
127 	union {
128 		struct i40iw_hmc_pd_table pd_table;
129 		struct i40iw_hmc_bp bp;
130 	} u;
131 };
132 
133 struct i40iw_hmc_sd_table {
134 	struct i40iw_virt_mem addr;
135 	u32 sd_cnt;
136 	u32 ref_cnt;
137 	struct i40iw_hmc_sd_entry *sd_entry;
138 };
139 
140 struct i40iw_hmc_info {
141 	u32 signature;
142 	u8 hmc_fn_id;
143 	u16 first_sd_index;
144 
145 	struct i40iw_hmc_obj_info *hmc_obj;
146 	struct i40iw_virt_mem hmc_obj_virt_mem;
147 	struct i40iw_hmc_sd_table sd_table;
148 	u16 sd_indexes[I40IW_HMC_MAX_SD_COUNT];
149 };
150 
151 struct update_sd_entry {
152 	u64 cmd;
153 	u64 data;
154 };
155 
156 struct i40iw_update_sds_info {
157 	u32 cnt;
158 	u8 hmc_fn_id;
159 	struct update_sd_entry entry[I40IW_MAX_SD_ENTRIES];
160 };
161 
162 struct i40iw_ccq_cqe_info;
163 struct i40iw_hmc_fcn_info {
164 	void (*callback_fcn)(struct i40iw_sc_dev *, void *,
165 			     struct i40iw_ccq_cqe_info *);
166 	void *cqp_callback_param;
167 	u32 vf_id;
168 	u16 iw_vf_idx;
169 	bool free_fcn;
170 };
171 
172 enum i40iw_hmc_rsrc_type {
173 	I40IW_HMC_IW_QP = 0,
174 	I40IW_HMC_IW_CQ = 1,
175 	I40IW_HMC_IW_SRQ = 2,
176 	I40IW_HMC_IW_HTE = 3,
177 	I40IW_HMC_IW_ARP = 4,
178 	I40IW_HMC_IW_APBVT_ENTRY = 5,
179 	I40IW_HMC_IW_MR = 6,
180 	I40IW_HMC_IW_XF = 7,
181 	I40IW_HMC_IW_XFFL = 8,
182 	I40IW_HMC_IW_Q1 = 9,
183 	I40IW_HMC_IW_Q1FL = 10,
184 	I40IW_HMC_IW_TIMER = 11,
185 	I40IW_HMC_IW_FSIMC = 12,
186 	I40IW_HMC_IW_FSIAV = 13,
187 	I40IW_HMC_IW_PBLE = 14,
188 	I40IW_HMC_IW_MAX = 15,
189 };
190 
191 struct i40iw_hmc_create_obj_info {
192 	struct i40iw_hmc_info *hmc_info;
193 	struct i40iw_virt_mem add_sd_virt_mem;
194 	u32 rsrc_type;
195 	u32 start_idx;
196 	u32 count;
197 	u32 add_sd_cnt;
198 	enum i40iw_sd_entry_type entry_type;
199 	bool is_pf;
200 };
201 
202 struct i40iw_hmc_del_obj_info {
203 	struct i40iw_hmc_info *hmc_info;
204 	struct i40iw_virt_mem del_sd_virt_mem;
205 	u32 rsrc_type;
206 	u32 start_idx;
207 	u32 count;
208 	u32 del_sd_cnt;
209 	bool is_pf;
210 };
211 
212 enum i40iw_status_code i40iw_copy_dma_mem(struct i40iw_hw *hw, void *dest_buf,
213 					  struct i40iw_dma_mem *src_mem, u64 src_offset, u64 size);
214 enum i40iw_status_code i40iw_sc_create_hmc_obj(struct i40iw_sc_dev *dev,
215 					       struct i40iw_hmc_create_obj_info *info);
216 enum i40iw_status_code i40iw_sc_del_hmc_obj(struct i40iw_sc_dev *dev,
217 					    struct i40iw_hmc_del_obj_info *info,
218 					    bool reset);
219 enum i40iw_status_code i40iw_hmc_sd_one(struct i40iw_sc_dev *dev, u8 hmc_fn_id,
220 					u64 pa, u32 sd_idx, enum i40iw_sd_entry_type type,
221 					bool setsd);
222 enum i40iw_status_code i40iw_update_sds_noccq(struct i40iw_sc_dev *dev,
223 					      struct i40iw_update_sds_info *info);
224 struct i40iw_vfdev *i40iw_vfdev_from_fpm(struct i40iw_sc_dev *dev, u8 hmc_fn_id);
225 struct i40iw_hmc_info *i40iw_vf_hmcinfo_from_fpm(struct i40iw_sc_dev *dev,
226 						 u8 hmc_fn_id);
227 enum i40iw_status_code i40iw_add_sd_table_entry(struct i40iw_hw *hw,
228 						struct i40iw_hmc_info *hmc_info, u32 sd_index,
229 						enum i40iw_sd_entry_type type, u64 direct_mode_sz);
230 enum i40iw_status_code i40iw_add_pd_table_entry(struct i40iw_hw *hw,
231 						struct i40iw_hmc_info *hmc_info, u32 pd_index,
232 						struct i40iw_dma_mem *rsrc_pg);
233 enum i40iw_status_code i40iw_remove_pd_bp(struct i40iw_hw *hw,
234 					  struct i40iw_hmc_info *hmc_info, u32 idx, bool is_pf);
235 enum i40iw_status_code i40iw_prep_remove_sd_bp(struct i40iw_hmc_info *hmc_info, u32 idx);
236 enum i40iw_status_code i40iw_prep_remove_pd_page(struct i40iw_hmc_info *hmc_info, u32 idx);
237 
238 #define     ENTER_SHARED_FUNCTION()
239 #define     EXIT_SHARED_FUNCTION()
240 
241 #endif				/* I40IW_HMC_H */
242