xref: /freebsd/sys/dev/qlnx/qlnxe/ecore_hw.h (revision 95ee2897)
1 /*
2  * Copyright (c) 2017-2018 Cavium, Inc.
3  * All rights reserved.
4  *
5  *  Redistribution and use in source and binary forms, with or without
6  *  modification, are permitted provided that the following conditions
7  *  are met:
8  *
9  *  1. Redistributions of source code must retain the above copyright
10  *     notice, this list of conditions and the following disclaimer.
11  *  2. Redistributions in binary form must reproduce the above copyright
12  *     notice, this list of conditions and the following disclaimer in the
13  *     documentation and/or other materials provided with the distribution.
14  *
15  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16  *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
19  *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21  *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22  *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23  *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24  *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25  *  POSSIBILITY OF SUCH DAMAGE.
26  *
27  */
28 
29 #ifndef __ECORE_HW_H__
30 #define __ECORE_HW_H__
31 
32 #include "ecore.h"
33 #include "ecore_dev_api.h"
34 
35 /* Forward decleration */
36 struct ecore_ptt;
37 
38 enum reserved_ptts {
39 	RESERVED_PTT_EDIAG,
40 	RESERVED_PTT_USER_SPACE,
41 	RESERVED_PTT_MAIN,
42 	RESERVED_PTT_DPC,
43 	RESERVED_PTT_MAX
44 };
45 
46 /* @@@TMP - in earlier versions of the emulation, the HW lock started from 1
47  * instead of 0, this should be fixed in later HW versions.
48  */
49 #ifndef MISC_REG_DRIVER_CONTROL_0
50 #define MISC_REG_DRIVER_CONTROL_0	MISC_REG_DRIVER_CONTROL_1
51 #endif
52 #ifndef MISC_REG_DRIVER_CONTROL_0_SIZE
53 #define MISC_REG_DRIVER_CONTROL_0_SIZE	MISC_REG_DRIVER_CONTROL_1_SIZE
54 #endif
55 
56 enum _dmae_cmd_dst_mask {
57 	DMAE_CMD_DST_MASK_NONE = 0,
58 	DMAE_CMD_DST_MASK_PCIE = 1,
59 	DMAE_CMD_DST_MASK_GRC = 2
60 };
61 
62 enum _dmae_cmd_src_mask {
63 	DMAE_CMD_SRC_MASK_PCIE = 0,
64 	DMAE_CMD_SRC_MASK_GRC = 1
65 };
66 
67 enum _dmae_cmd_crc_mask {
68 	DMAE_CMD_COMP_CRC_EN_MASK_NONE = 0,
69 	DMAE_CMD_COMP_CRC_EN_MASK_SET = 1
70 };
71 
72 /* definitions for DMA constants */
73 #define DMAE_GO_VALUE	0x1
74 
75 #ifdef __BIG_ENDIAN
76 #define DMAE_COMPLETION_VAL	0xAED10000
77 #define DMAE_CMD_ENDIANITY	0x3
78 #else
79 #define DMAE_COMPLETION_VAL	0xD1AE
80 #define DMAE_CMD_ENDIANITY	0x2
81 #endif
82 
83 #define DMAE_CMD_SIZE	14
84 /* size of DMAE command structure to fill.. DMAE_CMD_SIZE-5 */
85 #define DMAE_CMD_SIZE_TO_FILL	(DMAE_CMD_SIZE - 5)
86 /* Minimum wait for dmae opertaion to complete 2 milliseconds */
87 #define DMAE_MIN_WAIT_TIME	0x2
88 #define DMAE_MAX_CLIENTS	32
89 
90 /**
91  * @brief ecore_ptt_invalidate - Forces all ptt entries to be re-configured
92  *
93  * @param p_hwfn
94  */
95 void ecore_ptt_invalidate(struct ecore_hwfn *p_hwfn);
96 
97 /**
98  * @brief ecore_ptt_pool_alloc - Allocate and initialize PTT pool
99  *
100  * @param p_hwfn
101  *
102  * @return _ecore_status_t - success (0), negative - error.
103  */
104 enum _ecore_status_t ecore_ptt_pool_alloc(struct ecore_hwfn *p_hwfn);
105 
106 /**
107  * @brief ecore_ptt_pool_free -
108  *
109  * @param p_hwfn
110  */
111 void ecore_ptt_pool_free(struct ecore_hwfn *p_hwfn);
112 
113 /**
114  * @brief ecore_ptt_get_bar_addr - Get PPT's external BAR address
115  *
116  * @param p_hwfn
117  * @param p_ptt
118  *
119  * @return u32
120  */
121 u32 ecore_ptt_get_bar_addr(struct ecore_ptt	*p_ptt);
122 
123 /**
124  * @brief ecore_ptt_set_win - Set PTT Window's GRC BAR address
125  *
126  * @param p_hwfn
127  * @param new_hw_addr
128  * @param p_ptt
129  */
130 void ecore_ptt_set_win(struct ecore_hwfn	*p_hwfn,
131 		       struct ecore_ptt		*p_ptt,
132 		       u32			new_hw_addr);
133 
134 /**
135  * @brief ecore_get_reserved_ptt - Get a specific reserved PTT
136  *
137  * @param p_hwfn
138  * @param ptt_idx
139  *
140  * @return struct ecore_ptt *
141  */
142 struct ecore_ptt *ecore_get_reserved_ptt(struct ecore_hwfn	*p_hwfn,
143 					 enum reserved_ptts	ptt_idx);
144 
145 /**
146  * @brief ecore_wr - Write value to BAR using the given ptt
147  *
148  * @param p_hwfn
149  * @param p_ptt
150  * @param hw_addr
151  * @param val
152  */
153 void ecore_wr(struct ecore_hwfn	*p_hwfn,
154 	      struct ecore_ptt	*p_ptt,
155 	      u32		hw_addr,
156 	      u32		val);
157 
158 /**
159  * @brief ecore_rd - Read value from BAR using the given ptt
160  *
161  * @param p_hwfn
162  * @param p_ptt
163  * @param hw_addr
164  */
165 u32 ecore_rd(struct ecore_hwfn	*p_hwfn,
166 	     struct ecore_ptt	*p_ptt,
167 	     u32		hw_addr);
168 
169 /**
170  * @brief ecore_memcpy_from - copy n bytes from BAR using the given
171  *        ptt
172  *
173  * @param p_hwfn
174  * @param p_ptt
175  * @param dest
176  * @param hw_addr
177  * @param n
178  */
179 void ecore_memcpy_from(struct ecore_hwfn	*p_hwfn,
180 		       struct ecore_ptt		*p_ptt,
181 		       void			*dest,
182 		       u32			hw_addr,
183 		       osal_size_t		n);
184 
185 /**
186  * @brief ecore_memcpy_to - copy n bytes to BAR using the given
187  *        ptt
188  *
189  * @param p_hwfn
190  * @param p_ptt
191  * @param hw_addr
192  * @param src
193  * @param n
194  */
195 void ecore_memcpy_to(struct ecore_hwfn	*p_hwfn,
196 		     struct ecore_ptt	*p_ptt,
197 		     u32		hw_addr,
198 		     void		*src,
199 		     osal_size_t	n);
200 /**
201  * @brief ecore_fid_pretend - pretend to another function when
202  *        accessing the ptt window. There is no way to unpretend
203  *        a function. The only way to cancel a pretend is to
204  *        pretend back to the original function.
205  *
206  * @param p_hwfn
207  * @param p_ptt
208  * @param fid - fid field of pxp_pretend structure. Can contain
209  *            either pf / vf, port/path fields are don't care.
210  */
211 void ecore_fid_pretend(struct ecore_hwfn	*p_hwfn,
212 		       struct ecore_ptt		*p_ptt,
213 		       u16			fid);
214 
215 /**
216  * @brief ecore_port_pretend - pretend to another port when
217  *        accessing the ptt window
218  *
219  * @param p_hwfn
220  * @param p_ptt
221  * @param port_id - the port to pretend to
222  */
223 void ecore_port_pretend(struct ecore_hwfn	*p_hwfn,
224 			struct ecore_ptt	*p_ptt,
225 			u8			port_id);
226 
227 /**
228  * @brief ecore_port_unpretend - cancel any previously set port
229  *        pretend
230  *
231  * @param p_hwfn
232  * @param p_ptt
233  */
234 void ecore_port_unpretend(struct ecore_hwfn	*p_hwfn,
235 			  struct ecore_ptt	*p_ptt);
236 
237 /**
238  * @brief ecore_vfid_to_concrete - build a concrete FID for a
239  *        given VF ID
240  *
241  * @param p_hwfn
242  * @param p_ptt
243  * @param vfid
244  */
245 u32 ecore_vfid_to_concrete(struct ecore_hwfn *p_hwfn, u8 vfid);
246 
247 /**
248 * @brief ecore_dmae_info_alloc - Init the dmae_info structure
249 * which is part of p_hwfn.
250 * @param p_hwfn
251 */
252 enum _ecore_status_t ecore_dmae_info_alloc(struct ecore_hwfn	*p_hwfn);
253 
254 /**
255 * @brief ecore_dmae_info_free - Free the dmae_info structure
256 * which is part of p_hwfn
257 *
258 * @param p_hwfn
259 */
260 void ecore_dmae_info_free(struct ecore_hwfn	*p_hwfn);
261 
262 enum _ecore_status_t ecore_init_fw_data(struct ecore_dev *p_dev,
263 					const u8 *fw_data);
264 
265 void ecore_hw_err_notify(struct ecore_hwfn *p_hwfn,
266 			 enum ecore_hw_err_type err_type);
267 
268 enum _ecore_status_t ecore_dmae_sanity(struct ecore_hwfn *p_hwfn,
269 				       struct ecore_ptt *p_ptt,
270 				       const char *phase);
271 
272 /**
273  * @brief ecore_ppfid_wr - Write value to BAR using the given ptt while
274  *	pretending to a PF to which the given PPFID pertains.
275  *
276  * @param p_hwfn
277  * @param p_ptt
278  * @param abs_ppfid
279  * @param hw_addr
280  * @param val
281  */
282 void ecore_ppfid_wr(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
283 		    u8 abs_ppfid, u32 hw_addr, u32 val);
284 
285 /**
286  * @brief ecore_ppfid_rd - Read value from BAR using the given ptt while
287  *	 pretending to a PF to which the given PPFID pertains.
288  *
289  * @param p_hwfn
290  * @param p_ptt
291  * @param abs_ppfid
292  * @param hw_addr
293  */
294 u32 ecore_ppfid_rd(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
295 		   u8 abs_ppfid, u32 hw_addr);
296 
297 #endif /* __ECORE_HW_H__ */
298