xref: /freebsd/sys/dev/qlnx/qlnxe/ecore_hw.h (revision 42249ef2)
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  * $FreeBSD$
28  *
29  */
30 
31 #ifndef __ECORE_HW_H__
32 #define __ECORE_HW_H__
33 
34 #include "ecore.h"
35 #include "ecore_dev_api.h"
36 
37 /* Forward decleration */
38 struct ecore_ptt;
39 
40 enum reserved_ptts {
41 	RESERVED_PTT_EDIAG,
42 	RESERVED_PTT_USER_SPACE,
43 	RESERVED_PTT_MAIN,
44 	RESERVED_PTT_DPC,
45 	RESERVED_PTT_MAX
46 };
47 
48 /* @@@TMP - in earlier versions of the emulation, the HW lock started from 1
49  * instead of 0, this should be fixed in later HW versions.
50  */
51 #ifndef MISC_REG_DRIVER_CONTROL_0
52 #define MISC_REG_DRIVER_CONTROL_0	MISC_REG_DRIVER_CONTROL_1
53 #endif
54 #ifndef MISC_REG_DRIVER_CONTROL_0_SIZE
55 #define MISC_REG_DRIVER_CONTROL_0_SIZE	MISC_REG_DRIVER_CONTROL_1_SIZE
56 #endif
57 
58 enum _dmae_cmd_dst_mask {
59 	DMAE_CMD_DST_MASK_NONE = 0,
60 	DMAE_CMD_DST_MASK_PCIE = 1,
61 	DMAE_CMD_DST_MASK_GRC = 2
62 };
63 
64 enum _dmae_cmd_src_mask {
65 	DMAE_CMD_SRC_MASK_PCIE = 0,
66 	DMAE_CMD_SRC_MASK_GRC = 1
67 };
68 
69 enum _dmae_cmd_crc_mask {
70 	DMAE_CMD_COMP_CRC_EN_MASK_NONE = 0,
71 	DMAE_CMD_COMP_CRC_EN_MASK_SET = 1
72 };
73 
74 /* definitions for DMA constants */
75 #define DMAE_GO_VALUE	0x1
76 
77 #ifdef __BIG_ENDIAN
78 #define DMAE_COMPLETION_VAL	0xAED10000
79 #define DMAE_CMD_ENDIANITY	0x3
80 #else
81 #define DMAE_COMPLETION_VAL	0xD1AE
82 #define DMAE_CMD_ENDIANITY	0x2
83 #endif
84 
85 #define DMAE_CMD_SIZE	14
86 /* size of DMAE command structure to fill.. DMAE_CMD_SIZE-5 */
87 #define DMAE_CMD_SIZE_TO_FILL	(DMAE_CMD_SIZE - 5)
88 /* Minimum wait for dmae opertaion to complete 2 milliseconds */
89 #define DMAE_MIN_WAIT_TIME	0x2
90 #define DMAE_MAX_CLIENTS	32
91 
92 /**
93  * @brief ecore_ptt_invalidate - Forces all ptt entries to be re-configured
94  *
95  * @param p_hwfn
96  */
97 void ecore_ptt_invalidate(struct ecore_hwfn *p_hwfn);
98 
99 /**
100  * @brief ecore_ptt_pool_alloc - Allocate and initialize PTT pool
101  *
102  * @param p_hwfn
103  *
104  * @return _ecore_status_t - success (0), negative - error.
105  */
106 enum _ecore_status_t ecore_ptt_pool_alloc(struct ecore_hwfn *p_hwfn);
107 
108 /**
109  * @brief ecore_ptt_pool_free -
110  *
111  * @param p_hwfn
112  */
113 void ecore_ptt_pool_free(struct ecore_hwfn *p_hwfn);
114 
115 /**
116  * @brief ecore_ptt_get_bar_addr - Get PPT's external BAR address
117  *
118  * @param p_hwfn
119  * @param p_ptt
120  *
121  * @return u32
122  */
123 u32 ecore_ptt_get_bar_addr(struct ecore_ptt	*p_ptt);
124 
125 /**
126  * @brief ecore_ptt_set_win - Set PTT Window's GRC BAR address
127  *
128  * @param p_hwfn
129  * @param new_hw_addr
130  * @param p_ptt
131  */
132 void ecore_ptt_set_win(struct ecore_hwfn	*p_hwfn,
133 		       struct ecore_ptt		*p_ptt,
134 		       u32			new_hw_addr);
135 
136 /**
137  * @brief ecore_get_reserved_ptt - Get a specific reserved PTT
138  *
139  * @param p_hwfn
140  * @param ptt_idx
141  *
142  * @return struct ecore_ptt *
143  */
144 struct ecore_ptt *ecore_get_reserved_ptt(struct ecore_hwfn	*p_hwfn,
145 					 enum reserved_ptts	ptt_idx);
146 
147 /**
148  * @brief ecore_wr - Write value to BAR using the given ptt
149  *
150  * @param p_hwfn
151  * @param p_ptt
152  * @param hw_addr
153  * @param val
154  */
155 void ecore_wr(struct ecore_hwfn	*p_hwfn,
156 	      struct ecore_ptt	*p_ptt,
157 	      u32		hw_addr,
158 	      u32		val);
159 
160 /**
161  * @brief ecore_rd - Read value from BAR using the given ptt
162  *
163  * @param p_hwfn
164  * @param p_ptt
165  * @param hw_addr
166  */
167 u32 ecore_rd(struct ecore_hwfn	*p_hwfn,
168 	     struct ecore_ptt	*p_ptt,
169 	     u32		hw_addr);
170 
171 /**
172  * @brief ecore_memcpy_from - copy n bytes from BAR using the given
173  *        ptt
174  *
175  * @param p_hwfn
176  * @param p_ptt
177  * @param dest
178  * @param hw_addr
179  * @param n
180  */
181 void ecore_memcpy_from(struct ecore_hwfn	*p_hwfn,
182 		       struct ecore_ptt		*p_ptt,
183 		       void			*dest,
184 		       u32			hw_addr,
185 		       osal_size_t		n);
186 
187 /**
188  * @brief ecore_memcpy_to - copy n bytes to BAR using the given
189  *        ptt
190  *
191  * @param p_hwfn
192  * @param p_ptt
193  * @param hw_addr
194  * @param src
195  * @param n
196  */
197 void ecore_memcpy_to(struct ecore_hwfn	*p_hwfn,
198 		     struct ecore_ptt	*p_ptt,
199 		     u32		hw_addr,
200 		     void		*src,
201 		     osal_size_t	n);
202 /**
203  * @brief ecore_fid_pretend - pretend to another function when
204  *        accessing the ptt window. There is no way to unpretend
205  *        a function. The only way to cancel a pretend is to
206  *        pretend back to the original function.
207  *
208  * @param p_hwfn
209  * @param p_ptt
210  * @param fid - fid field of pxp_pretend structure. Can contain
211  *            either pf / vf, port/path fields are don't care.
212  */
213 void ecore_fid_pretend(struct ecore_hwfn	*p_hwfn,
214 		       struct ecore_ptt		*p_ptt,
215 		       u16			fid);
216 
217 /**
218  * @brief ecore_port_pretend - pretend to another port when
219  *        accessing the ptt window
220  *
221  * @param p_hwfn
222  * @param p_ptt
223  * @param port_id - the port to pretend to
224  */
225 void ecore_port_pretend(struct ecore_hwfn	*p_hwfn,
226 			struct ecore_ptt	*p_ptt,
227 			u8			port_id);
228 
229 /**
230  * @brief ecore_port_unpretend - cancel any previously set port
231  *        pretend
232  *
233  * @param p_hwfn
234  * @param p_ptt
235  */
236 void ecore_port_unpretend(struct ecore_hwfn	*p_hwfn,
237 			  struct ecore_ptt	*p_ptt);
238 
239 /**
240  * @brief ecore_vfid_to_concrete - build a concrete FID for a
241  *        given VF ID
242  *
243  * @param p_hwfn
244  * @param p_ptt
245  * @param vfid
246  */
247 u32 ecore_vfid_to_concrete(struct ecore_hwfn *p_hwfn, u8 vfid);
248 
249 /**
250 * @brief ecore_dmae_info_alloc - Init the dmae_info structure
251 * which is part of p_hwfn.
252 * @param p_hwfn
253 */
254 enum _ecore_status_t ecore_dmae_info_alloc(struct ecore_hwfn	*p_hwfn);
255 
256 /**
257 * @brief ecore_dmae_info_free - Free the dmae_info structure
258 * which is part of p_hwfn
259 *
260 * @param p_hwfn
261 */
262 void ecore_dmae_info_free(struct ecore_hwfn	*p_hwfn);
263 
264 enum _ecore_status_t ecore_init_fw_data(struct ecore_dev *p_dev,
265 					const u8 *fw_data);
266 
267 void ecore_hw_err_notify(struct ecore_hwfn *p_hwfn,
268 			 enum ecore_hw_err_type err_type);
269 
270 enum _ecore_status_t ecore_dmae_sanity(struct ecore_hwfn *p_hwfn,
271 				       struct ecore_ptt *p_ptt,
272 				       const char *phase);
273 
274 /**
275  * @brief ecore_ppfid_wr - Write value to BAR using the given ptt while
276  *	pretending to a PF to which the given PPFID pertains.
277  *
278  * @param p_hwfn
279  * @param p_ptt
280  * @param abs_ppfid
281  * @param hw_addr
282  * @param val
283  */
284 void ecore_ppfid_wr(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
285 		    u8 abs_ppfid, u32 hw_addr, u32 val);
286 
287 /**
288  * @brief ecore_ppfid_rd - Read value from BAR using the given ptt while
289  *	 pretending to a PF to which the given PPFID pertains.
290  *
291  * @param p_hwfn
292  * @param p_ptt
293  * @param abs_ppfid
294  * @param hw_addr
295  */
296 u32 ecore_ppfid_rd(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
297 		   u8 abs_ppfid, u32 hw_addr);
298 
299 #endif /* __ECORE_HW_H__ */
300