4d840a9616e11362073f25754691793391cc08dd
[cascardo/linux.git] / drivers / infiniband / hw / i40iw / i40iw_osdep.h
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_OSDEP_H
36 #define I40IW_OSDEP_H
37
38 #include <linux/kernel.h>
39 #include <linux/string.h>
40 #include <linux/bitops.h>
41 #include <net/tcp.h>
42 /* get readq/writeq support for 32 bit kernels, use the low-first version */
43 #include <linux/io-64-nonatomic-lo-hi.h>
44
45 #define STATS_TIMER_DELAY 1000
46
47 static inline void set_64bit_val(u64 *wqe_words, u32 byte_index, u64 value)
48 {
49         wqe_words[byte_index >> 3] = value;
50 }
51
52 /**
53  * set_32bit_val - set 32 value to hw wqe
54  * @wqe_words: wqe addr to write
55  * @byte_index: index in wqe
56  * @value: value to write
57  **/
58 static inline void set_32bit_val(u32 *wqe_words, u32 byte_index, u32 value)
59 {
60         wqe_words[byte_index >> 2] = value;
61 }
62
63 /**
64  * get_64bit_val - read 64 bit value from wqe
65  * @wqe_words: wqe addr
66  * @byte_index: index to read from
67  * @value: read value
68  **/
69 static inline void get_64bit_val(u64 *wqe_words, u32 byte_index, u64 *value)
70 {
71         *value = wqe_words[byte_index >> 3];
72 }
73
74 /**
75  * get_32bit_val - read 32 bit value from wqe
76  * @wqe_words: wqe addr
77  * @byte_index: index to reaad from
78  * @value: return 32 bit value
79  **/
80 static inline void get_32bit_val(u32 *wqe_words, u32 byte_index, u32 *value)
81 {
82         *value = wqe_words[byte_index >> 2];
83 }
84
85 struct i40iw_dma_mem {
86         void *va;
87         dma_addr_t pa;
88         u32 size;
89 } __packed;
90
91 struct i40iw_virt_mem {
92         void *va;
93         u32 size;
94 } __packed;
95
96 #define i40iw_debug(h, m, s, ...)                               \
97 do {                                                            \
98         if (((m) & (h)->debug_mask))                            \
99                 pr_info("i40iw " s, ##__VA_ARGS__);             \
100 } while (0)
101
102 #define i40iw_flush(a)          readl((a)->hw_addr + I40E_GLGEN_STAT)
103
104 #define I40E_GLHMC_VFSDCMD(_i)  (0x000C8000 + ((_i) * 4)) \
105                                 /* _i=0...31 */
106 #define I40E_GLHMC_VFSDCMD_MAX_INDEX    31
107 #define I40E_GLHMC_VFSDCMD_PMSDIDX_SHIFT  0
108 #define I40E_GLHMC_VFSDCMD_PMSDIDX_MASK  (0xFFF \
109                                           << I40E_GLHMC_VFSDCMD_PMSDIDX_SHIFT)
110 #define I40E_GLHMC_VFSDCMD_PF_SHIFT       16
111 #define I40E_GLHMC_VFSDCMD_PF_MASK        (0xF << I40E_GLHMC_VFSDCMD_PF_SHIFT)
112 #define I40E_GLHMC_VFSDCMD_VF_SHIFT       20
113 #define I40E_GLHMC_VFSDCMD_VF_MASK        (0x1FF << I40E_GLHMC_VFSDCMD_VF_SHIFT)
114 #define I40E_GLHMC_VFSDCMD_PMF_TYPE_SHIFT 29
115 #define I40E_GLHMC_VFSDCMD_PMF_TYPE_MASK  (0x3 \
116                                            << I40E_GLHMC_VFSDCMD_PMF_TYPE_SHIFT)
117 #define I40E_GLHMC_VFSDCMD_PMSDWR_SHIFT   31
118 #define I40E_GLHMC_VFSDCMD_PMSDWR_MASK  (0x1 << I40E_GLHMC_VFSDCMD_PMSDWR_SHIFT)
119
120 #define I40E_GLHMC_VFSDDATAHIGH(_i)     (0x000C8200 + ((_i) * 4)) \
121                                 /* _i=0...31 */
122 #define I40E_GLHMC_VFSDDATAHIGH_MAX_INDEX       31
123 #define I40E_GLHMC_VFSDDATAHIGH_PMSDDATAHIGH_SHIFT 0
124 #define I40E_GLHMC_VFSDDATAHIGH_PMSDDATAHIGH_MASK  (0xFFFFFFFF \
125                         << I40E_GLHMC_VFSDDATAHIGH_PMSDDATAHIGH_SHIFT)
126
127 #define I40E_GLHMC_VFSDDATALOW(_i)      (0x000C8100 + ((_i) * 4)) \
128                                 /* _i=0...31 */
129 #define I40E_GLHMC_VFSDDATALOW_MAX_INDEX        31
130 #define I40E_GLHMC_VFSDDATALOW_PMSDVALID_SHIFT   0
131 #define I40E_GLHMC_VFSDDATALOW_PMSDVALID_MASK  (0x1 \
132                         << I40E_GLHMC_VFSDDATALOW_PMSDVALID_SHIFT)
133 #define I40E_GLHMC_VFSDDATALOW_PMSDTYPE_SHIFT    1
134 #define I40E_GLHMC_VFSDDATALOW_PMSDTYPE_MASK  (0x1 \
135                         << I40E_GLHMC_VFSDDATALOW_PMSDTYPE_SHIFT)
136 #define I40E_GLHMC_VFSDDATALOW_PMSDBPCOUNT_SHIFT 2
137 #define I40E_GLHMC_VFSDDATALOW_PMSDBPCOUNT_MASK  (0x3FF \
138                         << I40E_GLHMC_VFSDDATALOW_PMSDBPCOUNT_SHIFT)
139 #define I40E_GLHMC_VFSDDATALOW_PMSDDATALOW_SHIFT 12
140 #define I40E_GLHMC_VFSDDATALOW_PMSDDATALOW_MASK  (0xFFFFF \
141                         << I40E_GLHMC_VFSDDATALOW_PMSDDATALOW_SHIFT)
142
143 #define I40E_GLPE_FWLDSTATUS                     0x0000D200
144 #define I40E_GLPE_FWLDSTATUS_LOAD_REQUESTED_SHIFT 0
145 #define I40E_GLPE_FWLDSTATUS_LOAD_REQUESTED_MASK  (0x1 \
146                         << I40E_GLPE_FWLDSTATUS_LOAD_REQUESTED_SHIFT)
147 #define I40E_GLPE_FWLDSTATUS_DONE_SHIFT           1
148 #define I40E_GLPE_FWLDSTATUS_DONE_MASK  (0x1 << I40E_GLPE_FWLDSTATUS_DONE_SHIFT)
149 #define I40E_GLPE_FWLDSTATUS_CQP_FAIL_SHIFT       2
150 #define I40E_GLPE_FWLDSTATUS_CQP_FAIL_MASK  (0x1 \
151                          << I40E_GLPE_FWLDSTATUS_CQP_FAIL_SHIFT)
152 #define I40E_GLPE_FWLDSTATUS_TEP_FAIL_SHIFT       3
153 #define I40E_GLPE_FWLDSTATUS_TEP_FAIL_MASK  (0x1 \
154                          << I40E_GLPE_FWLDSTATUS_TEP_FAIL_SHIFT)
155 #define I40E_GLPE_FWLDSTATUS_OOP_FAIL_SHIFT       4
156 #define I40E_GLPE_FWLDSTATUS_OOP_FAIL_MASK  (0x1 \
157                          << I40E_GLPE_FWLDSTATUS_OOP_FAIL_SHIFT)
158
159 struct i40iw_sc_dev;
160 struct i40iw_sc_qp;
161 struct i40iw_puda_buf;
162 struct i40iw_puda_completion_info;
163 struct i40iw_update_sds_info;
164 struct i40iw_hmc_fcn_info;
165 struct i40iw_virtchnl_work_info;
166 struct i40iw_manage_vf_pble_info;
167 struct i40iw_device;
168 struct i40iw_hmc_info;
169 struct i40iw_hw;
170
171 u8 __iomem *i40iw_get_hw_addr(void *dev);
172 void i40iw_ieq_mpa_crc_ae(struct i40iw_sc_dev *dev, struct i40iw_sc_qp *qp);
173 enum i40iw_status_code i40iw_vf_wait_vchnl_resp(struct i40iw_sc_dev *dev);
174 enum i40iw_status_code i40iw_ieq_check_mpacrc(struct hash_desc *desc, void *addr,
175                                               u32 length, u32 value);
176 struct i40iw_sc_qp *i40iw_ieq_get_qp(struct i40iw_sc_dev *dev, struct i40iw_puda_buf *buf);
177 void i40iw_ieq_update_tcpip_info(struct i40iw_puda_buf *buf, u16 length, u32 seqnum);
178 void i40iw_free_hash_desc(struct hash_desc *);
179 enum i40iw_status_code i40iw_init_hash_desc(struct hash_desc *);
180 enum i40iw_status_code i40iw_puda_get_tcpip_info(struct i40iw_puda_completion_info *info,
181                                                  struct i40iw_puda_buf *buf);
182 enum i40iw_status_code i40iw_cqp_sds_cmd(struct i40iw_sc_dev *dev,
183                                          struct i40iw_update_sds_info *info);
184 enum i40iw_status_code i40iw_cqp_manage_hmc_fcn_cmd(struct i40iw_sc_dev *dev,
185                                                     struct i40iw_hmc_fcn_info *hmcfcninfo);
186 enum i40iw_status_code i40iw_cqp_query_fpm_values_cmd(struct i40iw_sc_dev *dev,
187                                                       struct i40iw_dma_mem *values_mem,
188                                                       u8 hmc_fn_id);
189 enum i40iw_status_code i40iw_cqp_commit_fpm_values_cmd(struct i40iw_sc_dev *dev,
190                                                        struct i40iw_dma_mem *values_mem,
191                                                        u8 hmc_fn_id);
192 enum i40iw_status_code i40iw_alloc_query_fpm_buf(struct i40iw_sc_dev *dev,
193                                                  struct i40iw_dma_mem *mem);
194 enum i40iw_status_code i40iw_cqp_manage_vf_pble_bp(struct i40iw_sc_dev *dev,
195                                                    struct i40iw_manage_vf_pble_info *info);
196 void i40iw_cqp_spawn_worker(struct i40iw_sc_dev *dev,
197                             struct i40iw_virtchnl_work_info *work_info, u32 iw_vf_idx);
198 void *i40iw_remove_head(struct list_head *list);
199
200 void i40iw_term_modify_qp(struct i40iw_sc_qp *qp, u8 next_state, u8 term, u8 term_len);
201 void i40iw_terminate_done(struct i40iw_sc_qp *qp, int timeout_occurred);
202 void i40iw_terminate_start_timer(struct i40iw_sc_qp *qp);
203 void i40iw_terminate_del_timer(struct i40iw_sc_qp *qp);
204
205 enum i40iw_status_code i40iw_hw_manage_vf_pble_bp(struct i40iw_device *iwdev,
206                                                   struct i40iw_manage_vf_pble_info *info,
207                                                   bool wait);
208 struct i40iw_dev_pestat;
209 void i40iw_hw_stats_start_timer(struct i40iw_sc_dev *);
210 void i40iw_hw_stats_del_timer(struct i40iw_sc_dev *);
211 #define i40iw_mmiowb() mmiowb()
212 void i40iw_wr32(struct i40iw_hw *hw, u32 reg, u32 value);
213 u32  i40iw_rd32(struct i40iw_hw *hw, u32 reg);
214 #endif                          /* _I40IW_OSDEP_H_ */