xref: /freebsd/sys/dev/cxgbe/common/t4_hw.h (revision b0d29bc47dba79f6f38e67eabadfb4b32ffd9390)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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  * $FreeBSD$
29  *
30  */
31 
32 #ifndef __T4_HW_H
33 #define __T4_HW_H
34 
35 #include "osdep.h"
36 
37 enum {
38 	NCHAN           = 4,     /* # of HW channels */
39 	T6_NCHAN        = 2,
40 	MAX_NCHAN       = 4,
41 	MAX_MTU         = 9600,  /* max MAC MTU, excluding header + FCS */
42 	EEPROMSIZE      = 17408, /* Serial EEPROM physical size */
43 	EEPROMVSIZE     = 32768, /* Serial EEPROM virtual address space size */
44 	EEPROMPFSIZE    = 1024,  /* EEPROM writable area size for PFn, n>0 */
45 	RSS_NENTRIES    = 2048,  /* # of entries in RSS mapping table */
46 	TCB_SIZE        = 128,   /* TCB size */
47 	NMTUS           = 16,    /* size of MTU table */
48 	NCCTRL_WIN      = 32,    /* # of congestion control windows */
49 	NTX_SCHED       = 8,     /* # of HW Tx scheduling queues */
50 	PM_NSTATS       = 5,     /* # of PM stats */
51 	T6_PM_NSTATS    = 7,
52 	MAX_PM_NSTATS   = 7,
53 	MBOX_LEN        = 64,    /* mailbox size in bytes */
54 	NTRACE          = 4,     /* # of tracing filters */
55 	TRACE_LEN       = 112,   /* length of trace data and mask */
56 	FILTER_OPT_LEN  = 36,    /* filter tuple width of optional components */
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     = 2048,  /* # of 32-bit words in CIM LA */
70 	CIM_PIFLA_SIZE = 64,    /* # of 192-bit words in CIM PIF LA */
71 	CIM_MALA_SIZE  = 64,    /* # of 160-bit words in CIM MA LA */
72 	CIM_IBQ_SIZE   = 128,   /* # of 128-bit words in a CIM IBQ */
73 	CIM_OBQ_SIZE   = 128,   /* # of 128-bit words in a CIM OBQ */
74 	TPLA_SIZE      = 128,   /* # of 64-bit words in TP LA */
75 	ULPRX_LA_SIZE  = 512,   /* # of 256-bit words in ULP_RX LA */
76 };
77 
78 enum {
79 	SF_PAGE_SIZE = 256,           /* serial flash page size */
80 	SF_SEC_SIZE = 64 * 1024,      /* serial flash sector size */
81 };
82 
83 /* SGE context types */
84 enum ctxt_type { CTXT_EGRESS, CTXT_INGRESS, CTXT_FLM, CTXT_CNM };
85 
86 enum { RSP_TYPE_FLBUF, RSP_TYPE_CPL, RSP_TYPE_INTR }; /* response entry types */
87 
88 enum { MBOX_OWNER_NONE, MBOX_OWNER_FW, MBOX_OWNER_DRV };    /* mailbox owners */
89 
90 enum {
91 	SGE_MAX_WR_LEN = 512,     /* max WR size in bytes */
92 	SGE_CTXT_SIZE = 24,       /* size of SGE context */
93 	SGE_NTIMERS = 6,          /* # of interrupt holdoff timer values */
94 	SGE_NCOUNTERS = 4,        /* # of interrupt packet counter values */
95 	SGE_MAX_IQ_SIZE = 65520,
96 	SGE_FLBUF_SIZES = 16,
97 };
98 
99 struct sge_qstat {                /* data written to SGE queue status entries */
100 	volatile __be32 qid;
101 	volatile __be16 cidx;
102 	volatile __be16 pidx;
103 };
104 
105 #define S_QSTAT_PIDX    0
106 #define M_QSTAT_PIDX    0xffff
107 #define G_QSTAT_PIDX(x) (((x) >> S_QSTAT_PIDX) & M_QSTAT_PIDX)
108 
109 #define S_QSTAT_CIDX    16
110 #define M_QSTAT_CIDX    0xffff
111 #define G_QSTAT_CIDX(x) (((x) >> S_QSTAT_CIDX) & M_QSTAT_CIDX)
112 
113 /*
114  * Structure for last 128 bits of response descriptors
115  */
116 struct rsp_ctrl {
117 	__be32 hdrbuflen_pidx;
118 	__be32 pldbuflen_qid;
119 	union {
120 		u8 type_gen;
121 		__be64 last_flit;
122 	} u;
123 };
124 
125 #define S_RSPD_NEWBUF    31
126 #define V_RSPD_NEWBUF(x) ((x) << S_RSPD_NEWBUF)
127 #define F_RSPD_NEWBUF    V_RSPD_NEWBUF(1U)
128 
129 #define S_RSPD_LEN    0
130 #define M_RSPD_LEN    0x7fffffff
131 #define V_RSPD_LEN(x) ((x) << S_RSPD_LEN)
132 #define G_RSPD_LEN(x) (((x) >> S_RSPD_LEN) & M_RSPD_LEN)
133 
134 #define S_RSPD_QID    S_RSPD_LEN
135 #define M_RSPD_QID    M_RSPD_LEN
136 #define V_RSPD_QID(x) V_RSPD_LEN(x)
137 #define G_RSPD_QID(x) G_RSPD_LEN(x)
138 
139 #define S_RSPD_GEN    7
140 #define V_RSPD_GEN(x) ((x) << S_RSPD_GEN)
141 #define F_RSPD_GEN    V_RSPD_GEN(1U)
142 
143 #define S_RSPD_QOVFL    6
144 #define V_RSPD_QOVFL(x) ((x) << S_RSPD_QOVFL)
145 #define F_RSPD_QOVFL    V_RSPD_QOVFL(1U)
146 
147 #define S_RSPD_TYPE    4
148 #define M_RSPD_TYPE    0x3
149 #define V_RSPD_TYPE(x) ((x) << S_RSPD_TYPE)
150 #define G_RSPD_TYPE(x) (((x) >> S_RSPD_TYPE) & M_RSPD_TYPE)
151 
152 /* Rx queue interrupt deferral fields: counter enable and timer index */
153 #define S_QINTR_CNT_EN    0
154 #define V_QINTR_CNT_EN(x) ((x) << S_QINTR_CNT_EN)
155 #define F_QINTR_CNT_EN    V_QINTR_CNT_EN(1U)
156 
157 #define S_QINTR_TIMER_IDX    1
158 #define M_QINTR_TIMER_IDX    0x7
159 #define V_QINTR_TIMER_IDX(x) ((x) << S_QINTR_TIMER_IDX)
160 #define G_QINTR_TIMER_IDX(x) (((x) >> S_QINTR_TIMER_IDX) & M_QINTR_TIMER_IDX)
161 
162 /* # of pages a pagepod can hold without needing another pagepod */
163 #define PPOD_PAGES 4U
164 
165 struct pagepod {
166 	__be64 vld_tid_pgsz_tag_color;
167 	__be64 len_offset;
168 	__be64 rsvd;
169 	__be64 addr[PPOD_PAGES + 1];
170 };
171 
172 #define S_PPOD_COLOR    0
173 #define M_PPOD_COLOR    0x3F
174 #define V_PPOD_COLOR(x) ((x) << S_PPOD_COLOR)
175 
176 #define S_PPOD_TAG    6
177 #define M_PPOD_TAG    0xFFFFFF
178 #define V_PPOD_TAG(x) ((x) << S_PPOD_TAG)
179 #define G_PPOD_TAG(x) (((x) >> S_PPOD_TAG) & M_PPOD_TAG)
180 
181 #define S_PPOD_PGSZ    30
182 #define M_PPOD_PGSZ    0x3
183 #define V_PPOD_PGSZ(x) ((x) << S_PPOD_PGSZ)
184 #define G_PPOD_PGSZ(x) (((x) >> S_PPOD_PGSZ) & M_PPOD_PGSZ)
185 
186 #define S_PPOD_TID    32
187 #define M_PPOD_TID    0xFFFFFF
188 #define V_PPOD_TID(x) ((__u64)(x) << S_PPOD_TID)
189 
190 #define S_PPOD_VALID    56
191 #define V_PPOD_VALID(x) ((__u64)(x) << S_PPOD_VALID)
192 #define F_PPOD_VALID    V_PPOD_VALID(1ULL)
193 
194 #define S_PPOD_LEN    32
195 #define M_PPOD_LEN    0xFFFFFFFF
196 #define V_PPOD_LEN(x) ((__u64)(x) << S_PPOD_LEN)
197 
198 #define S_PPOD_OFST    0
199 #define M_PPOD_OFST    0xFFFFFFFF
200 #define V_PPOD_OFST(x) ((x) << S_PPOD_OFST)
201 
202 /*
203  * Flash layout.
204  */
205 #define FLASH_START(start)	((start) * SF_SEC_SIZE)
206 #define FLASH_MAX_SIZE(nsecs)	((nsecs) * SF_SEC_SIZE)
207 
208 enum {
209 	/*
210 	 * Various Expansion-ROM boot images, etc.
211 	 */
212 	FLASH_EXP_ROM_START_SEC = 0,
213 	FLASH_EXP_ROM_NSECS = 6,
214 	FLASH_EXP_ROM_START = FLASH_START(FLASH_EXP_ROM_START_SEC),
215 	FLASH_EXP_ROM_MAX_SIZE = FLASH_MAX_SIZE(FLASH_EXP_ROM_NSECS),
216 
217 	/*
218 	 * iSCSI Boot Firmware Table (iBFT) and other driver-related
219 	 * parameters ...
220 	 */
221 	FLASH_IBFT_START_SEC = 6,
222 	FLASH_IBFT_NSECS = 1,
223 	FLASH_IBFT_START = FLASH_START(FLASH_IBFT_START_SEC),
224 	FLASH_IBFT_MAX_SIZE = FLASH_MAX_SIZE(FLASH_IBFT_NSECS),
225 
226 	/*
227 	 * Boot configuration data.
228 	 */
229 	FLASH_BOOTCFG_START_SEC = 7,
230 	FLASH_BOOTCFG_NSECS = 1,
231 	FLASH_BOOTCFG_START = FLASH_START(FLASH_BOOTCFG_START_SEC),
232 	FLASH_BOOTCFG_MAX_SIZE = FLASH_MAX_SIZE(FLASH_BOOTCFG_NSECS),
233 
234 	/*
235 	 * Location of firmware image in FLASH.
236 	 */
237 	FLASH_FW_START_SEC = 8,
238 	FLASH_FW_NSECS = 16,
239 	FLASH_FW_START = FLASH_START(FLASH_FW_START_SEC),
240 	FLASH_FW_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FW_NSECS),
241 
242 	/*
243 	 * Location of bootstrap firmware image in FLASH.
244 	 */
245 	FLASH_FWBOOTSTRAP_START_SEC = 27,
246 	FLASH_FWBOOTSTRAP_NSECS = 1,
247 	FLASH_FWBOOTSTRAP_START = FLASH_START(FLASH_FWBOOTSTRAP_START_SEC),
248 	FLASH_FWBOOTSTRAP_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FWBOOTSTRAP_NSECS),
249 
250 	/*
251 	 * iSCSI persistent/crash information.
252 	 */
253 	FLASH_ISCSI_CRASH_START_SEC = 29,
254 	FLASH_ISCSI_CRASH_NSECS = 1,
255 	FLASH_ISCSI_CRASH_START = FLASH_START(FLASH_ISCSI_CRASH_START_SEC),
256 	FLASH_ISCSI_CRASH_MAX_SIZE = FLASH_MAX_SIZE(FLASH_ISCSI_CRASH_NSECS),
257 
258 	/*
259 	 * FCoE persistent/crash information.
260 	 */
261 	FLASH_FCOE_CRASH_START_SEC = 30,
262 	FLASH_FCOE_CRASH_NSECS = 1,
263 	FLASH_FCOE_CRASH_START = FLASH_START(FLASH_FCOE_CRASH_START_SEC),
264 	FLASH_FCOE_CRASH_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FCOE_CRASH_NSECS),
265 
266 	/*
267 	 * Location of Firmware Configuration File in FLASH.
268 	 */
269 	FLASH_CFG_START_SEC = 31,
270 	FLASH_CFG_NSECS = 1,
271 	FLASH_CFG_START = FLASH_START(FLASH_CFG_START_SEC),
272 	FLASH_CFG_MAX_SIZE = FLASH_MAX_SIZE(FLASH_CFG_NSECS),
273 
274 	/*
275 	 * We don't support FLASH devices which can't support the full
276 	 * standard set of sections which we need for normal operations.
277 	 */
278 	FLASH_MIN_SIZE = FLASH_CFG_START + FLASH_CFG_MAX_SIZE,
279 
280 	/*
281 	 * Sectors 32-63 for CUDBG.
282 	 */
283 	FLASH_CUDBG_START_SEC = 32,
284 	FLASH_CUDBG_NSECS = 32,
285 	FLASH_CUDBG_START = FLASH_START(FLASH_CUDBG_START_SEC),
286 	FLASH_CUDBG_MAX_SIZE = FLASH_MAX_SIZE(FLASH_CUDBG_NSECS),
287 
288 	/*
289 	 * Size of defined FLASH regions.
290 	 */
291 	FLASH_END_SEC = 64,
292 };
293 
294 #undef FLASH_START
295 #undef FLASH_MAX_SIZE
296 
297 #define S_SGE_TIMESTAMP 0
298 #define M_SGE_TIMESTAMP 0xfffffffffffffffULL
299 #define V_SGE_TIMESTAMP(x) ((__u64)(x) << S_SGE_TIMESTAMP)
300 #define G_SGE_TIMESTAMP(x) (((__u64)(x) >> S_SGE_TIMESTAMP) & M_SGE_TIMESTAMP)
301 
302 #endif /* __T4_HW_H */
303