xref: /freebsd/sys/dev/cxgbe/common/t4_hw.h (revision e1c4c8dd8d2d10b6104f06856a77bd5b4813a801)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2011, 2016 Chelsio Communications, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  */
29 
30 #ifndef __T4_HW_H
31 #define __T4_HW_H
32 
33 #include "osdep.h"
34 
35 enum {
36 	NCHAN           = 4,     /* # of HW channels */
37 	T6_NCHAN        = 2,
38 	MAX_NCHAN       = 4,
39 	MAX_MTU         = 9600,  /* max MAC MTU, excluding header + FCS */
40 	EEPROMSIZE      = 17408, /* Serial EEPROM physical size */
41 	EEPROMVSIZE     = 32768, /* Serial EEPROM virtual address space size */
42 	EEPROMPFSIZE    = 1024,  /* EEPROM writable area size for PFn, n>0 */
43 	RSS_NENTRIES    = 2048,  /* # of entries in RSS mapping table */
44 	T6_RSS_NENTRIES = 4096,
45 	TCB_SIZE        = 128,   /* TCB size */
46 	NMTUS           = 16,    /* size of MTU table */
47 	NCCTRL_WIN      = 32,    /* # of congestion control windows */
48 	NTX_SCHED       = 8,     /* # of HW Tx scheduling queues */
49 	PM_NSTATS       = 5,     /* # of PM stats */
50 	T6_PM_NSTATS    = 7,
51 	MAX_PM_NSTATS   = 7,
52 	MBOX_LEN        = 64,    /* mailbox size in bytes */
53 	NTRACE          = 4,     /* # of tracing filters */
54 	TRACE_LEN       = 112,   /* length of trace data and mask */
55 	FILTER_OPT_LEN  = 36,    /* filter tuple width of optional components */
56 	T5_FILTER_OPT_LEN = 40,
57 	NWOL_PAT        = 8,     /* # of WoL patterns */
58 	WOL_PAT_LEN     = 128,   /* length of WoL patterns */
59 	UDBS_SEG_SIZE   = 128,   /* Segment size of BAR2 doorbells */
60 	UDBS_SEG_SHIFT  = 7,     /* log2(UDBS_SEG_SIZE) */
61 	UDBS_DB_OFFSET  = 8,     /* offset of the 4B doorbell in a segment */
62 	UDBS_WR_OFFSET  = 64,    /* offset of the work request in a segment */
63 };
64 
65 enum {
66 	CIM_NUM_IBQ    = 6,     /* # of CIM IBQs */
67 	CIM_NUM_OBQ    = 6,     /* # of CIM OBQs */
68 	CIM_NUM_OBQ_T5 = 8,     /* # of CIM OBQs for T5 adapter */
69 	CIMLA_SIZE     = 256 * 8,  /* 256 rows * ceil(235/32) 32-bit words */
70 	CIMLA_SIZE_T6  = 256 * 10, /* 256 rows * ceil(311/32) 32-bit words */
71 	CIM_PIFLA_SIZE = 64,    /* # of 192-bit words in CIM PIF LA */
72 	CIM_MALA_SIZE  = 64,    /* # of 160-bit words in CIM MA LA */
73 	CIM_IBQ_SIZE   = 128,   /* # of 128-bit words in a CIM IBQ */
74 	CIM_OBQ_SIZE   = 128,   /* # of 128-bit words in a CIM OBQ */
75 	TPLA_SIZE      = 128,   /* # of 64-bit words in TP LA */
76 	ULPRX_LA_SIZE  = 512,   /* # of 256-bit words in ULP_RX LA */
77 };
78 
79 enum {
80 	SF_PAGE_SIZE = 256,           /* serial flash page size */
81 	SF_SEC_SIZE = 64 * 1024,      /* serial flash sector size */
82 };
83 
84 /* SGE context types */
85 enum ctxt_type { CTXT_EGRESS, CTXT_INGRESS, CTXT_FLM, CTXT_CNM };
86 
87 enum { RSP_TYPE_FLBUF, RSP_TYPE_CPL, RSP_TYPE_INTR }; /* response entry types */
88 
89 enum { MBOX_OWNER_NONE, MBOX_OWNER_FW, MBOX_OWNER_DRV };    /* mailbox owners */
90 
91 enum {
92 	SGE_MAX_WR_LEN = 512,     /* max WR size in bytes */
93 	SGE_CTXT_SIZE = 24,       /* size of SGE context */
94 	SGE_NTIMERS = 6,          /* # of interrupt holdoff timer values */
95 	SGE_NCOUNTERS = 4,        /* # of interrupt packet counter values */
96 	SGE_NDBQTIMERS = 8,       /* # of Doorbell Queue Timer values */
97 	SGE_MAX_IQ_SIZE = 65520,
98 	SGE_FLBUF_SIZES = 16,
99 };
100 
101 struct sge_qstat {                /* data written to SGE queue status entries */
102 	volatile __be32 qid;
103 	volatile __be16 cidx;
104 	volatile __be16 pidx;
105 };
106 
107 #define S_QSTAT_PIDX    0
108 #define M_QSTAT_PIDX    0xffff
109 #define G_QSTAT_PIDX(x) (((x) >> S_QSTAT_PIDX) & M_QSTAT_PIDX)
110 
111 #define S_QSTAT_CIDX    16
112 #define M_QSTAT_CIDX    0xffff
113 #define G_QSTAT_CIDX(x) (((x) >> S_QSTAT_CIDX) & M_QSTAT_CIDX)
114 
115 /*
116  * Structure for last 128 bits of response descriptors
117  */
118 struct rsp_ctrl {
119 	__be32 hdrbuflen_pidx;
120 	__be32 pldbuflen_qid;
121 	union {
122 		u8 type_gen;
123 		__be64 last_flit;
124 	} u;
125 };
126 
127 #define S_RSPD_NEWBUF    31
128 #define V_RSPD_NEWBUF(x) ((x) << S_RSPD_NEWBUF)
129 #define F_RSPD_NEWBUF    V_RSPD_NEWBUF(1U)
130 
131 #define S_RSPD_LEN    0
132 #define M_RSPD_LEN    0x7fffffff
133 #define V_RSPD_LEN(x) ((x) << S_RSPD_LEN)
134 #define G_RSPD_LEN(x) (((x) >> S_RSPD_LEN) & M_RSPD_LEN)
135 
136 #define S_RSPD_QID    S_RSPD_LEN
137 #define M_RSPD_QID    M_RSPD_LEN
138 #define V_RSPD_QID(x) V_RSPD_LEN(x)
139 #define G_RSPD_QID(x) G_RSPD_LEN(x)
140 
141 #define S_RSPD_GEN    7
142 #define V_RSPD_GEN(x) ((x) << S_RSPD_GEN)
143 #define F_RSPD_GEN    V_RSPD_GEN(1U)
144 
145 #define S_RSPD_QOVFL    6
146 #define V_RSPD_QOVFL(x) ((x) << S_RSPD_QOVFL)
147 #define F_RSPD_QOVFL    V_RSPD_QOVFL(1U)
148 
149 #define S_RSPD_TYPE    4
150 #define M_RSPD_TYPE    0x3
151 #define V_RSPD_TYPE(x) ((x) << S_RSPD_TYPE)
152 #define G_RSPD_TYPE(x) (((x) >> S_RSPD_TYPE) & M_RSPD_TYPE)
153 
154 /* Rx queue interrupt deferral fields: counter enable and timer index */
155 #define S_QINTR_CNT_EN    0
156 #define V_QINTR_CNT_EN(x) ((x) << S_QINTR_CNT_EN)
157 #define F_QINTR_CNT_EN    V_QINTR_CNT_EN(1U)
158 
159 #define S_QINTR_TIMER_IDX    1
160 #define M_QINTR_TIMER_IDX    0x7
161 #define V_QINTR_TIMER_IDX(x) ((x) << S_QINTR_TIMER_IDX)
162 #define G_QINTR_TIMER_IDX(x) (((x) >> S_QINTR_TIMER_IDX) & M_QINTR_TIMER_IDX)
163 
164 /* # of pages a pagepod can hold without needing another pagepod */
165 #define PPOD_PAGES 4U
166 
167 struct pagepod {
168 	__be64 vld_tid_pgsz_tag_color;
169 	__be64 len_offset;
170 	__be64 rsvd;
171 	__be64 addr[PPOD_PAGES + 1];
172 };
173 
174 #define S_PPOD_COLOR    0
175 #define M_PPOD_COLOR    0x3F
176 #define V_PPOD_COLOR(x) ((x) << S_PPOD_COLOR)
177 
178 #define S_PPOD_TAG    6
179 #define M_PPOD_TAG    0xFFFFFF
180 #define V_PPOD_TAG(x) ((x) << S_PPOD_TAG)
181 #define G_PPOD_TAG(x) (((x) >> S_PPOD_TAG) & M_PPOD_TAG)
182 
183 #define S_PPOD_PGSZ    30
184 #define M_PPOD_PGSZ    0x3
185 #define V_PPOD_PGSZ(x) ((x) << S_PPOD_PGSZ)
186 #define G_PPOD_PGSZ(x) (((x) >> S_PPOD_PGSZ) & M_PPOD_PGSZ)
187 
188 #define S_PPOD_TID    32
189 #define M_PPOD_TID    0xFFFFFF
190 #define V_PPOD_TID(x) ((__u64)(x) << S_PPOD_TID)
191 
192 #define S_PPOD_VALID    56
193 #define V_PPOD_VALID(x) ((__u64)(x) << S_PPOD_VALID)
194 #define F_PPOD_VALID    V_PPOD_VALID(1ULL)
195 
196 #define S_PPOD_LEN    32
197 #define M_PPOD_LEN    0xFFFFFFFF
198 #define V_PPOD_LEN(x) ((__u64)(x) << S_PPOD_LEN)
199 
200 #define S_PPOD_OFST    0
201 #define M_PPOD_OFST    0xFFFFFFFF
202 #define V_PPOD_OFST(x) ((x) << S_PPOD_OFST)
203 
204 /*
205  * Flash layout.
206  */
207 #define FLASH_START(start)	((start) * SF_SEC_SIZE)
208 #define FLASH_MAX_SIZE(nsecs)	((nsecs) * SF_SEC_SIZE)
209 
210 enum {
211 	/*
212 	 * Various Expansion-ROM boot images, etc.
213 	 */
214 	FLASH_EXP_ROM_START_SEC = 0,
215 	FLASH_EXP_ROM_NSECS = 6,
216 	FLASH_EXP_ROM_START = FLASH_START(FLASH_EXP_ROM_START_SEC),
217 	FLASH_EXP_ROM_MAX_SIZE = FLASH_MAX_SIZE(FLASH_EXP_ROM_NSECS),
218 
219 	/*
220 	 * iSCSI Boot Firmware Table (iBFT) and other driver-related
221 	 * parameters ...
222 	 */
223 	FLASH_IBFT_START_SEC = 6,
224 	FLASH_IBFT_NSECS = 1,
225 	FLASH_IBFT_START = FLASH_START(FLASH_IBFT_START_SEC),
226 	FLASH_IBFT_MAX_SIZE = FLASH_MAX_SIZE(FLASH_IBFT_NSECS),
227 
228 	/*
229 	 * Boot configuration data.
230 	 */
231 	FLASH_BOOTCFG_START_SEC = 7,
232 	FLASH_BOOTCFG_NSECS = 1,
233 	FLASH_BOOTCFG_START = FLASH_START(FLASH_BOOTCFG_START_SEC),
234 	FLASH_BOOTCFG_MAX_SIZE = FLASH_MAX_SIZE(FLASH_BOOTCFG_NSECS),
235 
236 	/*
237 	 * Location of firmware image in FLASH.
238 	 */
239 	FLASH_FW_START_SEC = 8,
240 	FLASH_FW_NSECS = 16,
241 	FLASH_FW_START = FLASH_START(FLASH_FW_START_SEC),
242 	FLASH_FW_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FW_NSECS),
243 
244 	/*
245 	 * Location of bootstrap firmware image in FLASH.
246 	 */
247 	FLASH_FWBOOTSTRAP_START_SEC = 27,
248 	FLASH_FWBOOTSTRAP_NSECS = 1,
249 	FLASH_FWBOOTSTRAP_START = FLASH_START(FLASH_FWBOOTSTRAP_START_SEC),
250 	FLASH_FWBOOTSTRAP_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FWBOOTSTRAP_NSECS),
251 
252 	/*
253 	 * iSCSI persistent/crash information.
254 	 */
255 	FLASH_ISCSI_CRASH_START_SEC = 29,
256 	FLASH_ISCSI_CRASH_NSECS = 1,
257 	FLASH_ISCSI_CRASH_START = FLASH_START(FLASH_ISCSI_CRASH_START_SEC),
258 	FLASH_ISCSI_CRASH_MAX_SIZE = FLASH_MAX_SIZE(FLASH_ISCSI_CRASH_NSECS),
259 
260 	/*
261 	 * FCoE persistent/crash information.
262 	 */
263 	FLASH_FCOE_CRASH_START_SEC = 30,
264 	FLASH_FCOE_CRASH_NSECS = 1,
265 	FLASH_FCOE_CRASH_START = FLASH_START(FLASH_FCOE_CRASH_START_SEC),
266 	FLASH_FCOE_CRASH_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FCOE_CRASH_NSECS),
267 
268 	/*
269 	 * Location of Firmware Configuration File in FLASH.
270 	 */
271 	FLASH_CFG_START_SEC = 31,
272 	FLASH_CFG_NSECS = 1,
273 	FLASH_CFG_START = FLASH_START(FLASH_CFG_START_SEC),
274 	FLASH_CFG_MAX_SIZE = FLASH_MAX_SIZE(FLASH_CFG_NSECS),
275 
276 	/*
277 	 * We don't support FLASH devices which can't support the full
278 	 * standard set of sections which we need for normal operations.
279 	 */
280 	FLASH_MIN_SIZE = FLASH_CFG_START + FLASH_CFG_MAX_SIZE,
281 
282 	/*
283 	 * Sectors 32-63 for CUDBG.
284 	 */
285 	FLASH_CUDBG_START_SEC = 32,
286 	FLASH_CUDBG_NSECS = 32,
287 	FLASH_CUDBG_START = FLASH_START(FLASH_CUDBG_START_SEC),
288 	FLASH_CUDBG_MAX_SIZE = FLASH_MAX_SIZE(FLASH_CUDBG_NSECS),
289 
290 	/*
291 	 * Size of defined FLASH regions.
292 	 */
293 	FLASH_END_SEC = 64,
294 };
295 
296 #undef FLASH_START
297 #undef FLASH_MAX_SIZE
298 
299 #define S_SGE_TIMESTAMP 0
300 #define M_SGE_TIMESTAMP 0xfffffffffffffffULL
301 #define V_SGE_TIMESTAMP(x) ((__u64)(x) << S_SGE_TIMESTAMP)
302 #define G_SGE_TIMESTAMP(x) (((__u64)(x) >> S_SGE_TIMESTAMP) & M_SGE_TIMESTAMP)
303 
304 #define I2C_DEV_ADDR_A0		0xa0
305 #define I2C_DEV_ADDR_A2		0xa2
306 #define I2C_PAGE_SIZE		0x100
307 #define SFP_DIAG_TYPE_ADDR	0x5c
308 #define SFP_DIAG_TYPE_LEN	0x1
309 #define SFF_8472_COMP_ADDR	0x5e
310 #define SFF_8472_COMP_LEN	0x1
311 #define SFF_REV_ADDR		0x1
312 #define SFF_REV_LEN		0x1
313 
314 #endif /* __T4_HW_H */
315