xref: /freebsd/sys/dev/cxgbe/common/t4_hw.h (revision aa24f48b361effe51163877d84f1b70d32b77e04)
1 /*-
2  * Copyright (c) 2011, 2016 Chelsio Communications, 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  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
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 	TCB_SIZE        = 128,   /* TCB size */
45 	NMTUS           = 16,    /* size of MTU table */
46 	NCCTRL_WIN      = 32,    /* # of congestion control windows */
47 	NTX_SCHED       = 8,     /* # of HW Tx scheduling queues */
48 	PM_NSTATS       = 5,     /* # of PM stats */
49 	T6_PM_NSTATS    = 7,
50 	MAX_PM_NSTATS   = 7,
51 	MBOX_LEN        = 64,    /* mailbox size in bytes */
52 	NTRACE          = 4,     /* # of tracing filters */
53 	TRACE_LEN       = 112,   /* length of trace data and mask */
54 	FILTER_OPT_LEN  = 36,    /* filter tuple width of optional components */
55 	NWOL_PAT        = 8,     /* # of WoL patterns */
56 	WOL_PAT_LEN     = 128,   /* length of WoL patterns */
57 	UDBS_SEG_SIZE   = 128,   /* Segment size of BAR2 doorbells */
58 	UDBS_SEG_SHIFT  = 7,     /* log2(UDBS_SEG_SIZE) */
59 	UDBS_DB_OFFSET  = 8,     /* offset of the 4B doorbell in a segment */
60 	UDBS_WR_OFFSET  = 64,    /* offset of the work request in a segment */
61 };
62 
63 enum {
64 	CIM_NUM_IBQ    = 6,     /* # of CIM IBQs */
65 	CIM_NUM_OBQ    = 6,     /* # of CIM OBQs */
66 	CIM_NUM_OBQ_T5 = 8,     /* # of CIM OBQs for T5 adapter */
67 	CIMLA_SIZE     = 2048,  /* # of 32-bit words in CIM LA */
68 	CIM_PIFLA_SIZE = 64,    /* # of 192-bit words in CIM PIF LA */
69 	CIM_MALA_SIZE  = 64,    /* # of 160-bit words in CIM MA LA */
70 	CIM_IBQ_SIZE   = 128,   /* # of 128-bit words in a CIM IBQ */
71 	CIM_OBQ_SIZE   = 128,   /* # of 128-bit words in a CIM OBQ */
72 	TPLA_SIZE      = 128,   /* # of 64-bit words in TP LA */
73 	ULPRX_LA_SIZE  = 512,   /* # of 256-bit words in ULP_RX LA */
74 };
75 
76 enum {
77 	SF_PAGE_SIZE = 256,           /* serial flash page size */
78 	SF_SEC_SIZE = 64 * 1024,      /* serial flash sector size */
79 };
80 
81 /* SGE context types */
82 enum ctxt_type { CTXT_EGRESS, CTXT_INGRESS, CTXT_FLM, CTXT_CNM };
83 
84 enum { RSP_TYPE_FLBUF, RSP_TYPE_CPL, RSP_TYPE_INTR }; /* response entry types */
85 
86 enum { MBOX_OWNER_NONE, MBOX_OWNER_FW, MBOX_OWNER_DRV };    /* mailbox owners */
87 
88 enum {
89 	SGE_MAX_WR_LEN = 512,     /* max WR size in bytes */
90 	SGE_CTXT_SIZE = 24,       /* size of SGE context */
91 	SGE_NTIMERS = 6,          /* # of interrupt holdoff timer values */
92 	SGE_NCOUNTERS = 4,        /* # of interrupt packet counter values */
93 	SGE_MAX_IQ_SIZE = 65520,
94 	SGE_FLBUF_SIZES = 16,
95 };
96 
97 struct sge_qstat {                /* data written to SGE queue status entries */
98 	volatile __be32 qid;
99 	volatile __be16 cidx;
100 	volatile __be16 pidx;
101 };
102 
103 #define S_QSTAT_PIDX    0
104 #define M_QSTAT_PIDX    0xffff
105 #define G_QSTAT_PIDX(x) (((x) >> S_QSTAT_PIDX) & M_QSTAT_PIDX)
106 
107 #define S_QSTAT_CIDX    16
108 #define M_QSTAT_CIDX    0xffff
109 #define G_QSTAT_CIDX(x) (((x) >> S_QSTAT_CIDX) & M_QSTAT_CIDX)
110 
111 /*
112  * Structure for last 128 bits of response descriptors
113  */
114 struct rsp_ctrl {
115 	__be32 hdrbuflen_pidx;
116 	__be32 pldbuflen_qid;
117 	union {
118 		u8 type_gen;
119 		__be64 last_flit;
120 	} u;
121 };
122 
123 #define S_RSPD_NEWBUF    31
124 #define V_RSPD_NEWBUF(x) ((x) << S_RSPD_NEWBUF)
125 #define F_RSPD_NEWBUF    V_RSPD_NEWBUF(1U)
126 
127 #define S_RSPD_LEN    0
128 #define M_RSPD_LEN    0x7fffffff
129 #define V_RSPD_LEN(x) ((x) << S_RSPD_LEN)
130 #define G_RSPD_LEN(x) (((x) >> S_RSPD_LEN) & M_RSPD_LEN)
131 
132 #define S_RSPD_QID    S_RSPD_LEN
133 #define M_RSPD_QID    M_RSPD_LEN
134 #define V_RSPD_QID(x) V_RSPD_LEN(x)
135 #define G_RSPD_QID(x) G_RSPD_LEN(x)
136 
137 #define S_RSPD_GEN    7
138 #define V_RSPD_GEN(x) ((x) << S_RSPD_GEN)
139 #define F_RSPD_GEN    V_RSPD_GEN(1U)
140 
141 #define S_RSPD_QOVFL    6
142 #define V_RSPD_QOVFL(x) ((x) << S_RSPD_QOVFL)
143 #define F_RSPD_QOVFL    V_RSPD_QOVFL(1U)
144 
145 #define S_RSPD_TYPE    4
146 #define M_RSPD_TYPE    0x3
147 #define V_RSPD_TYPE(x) ((x) << S_RSPD_TYPE)
148 #define G_RSPD_TYPE(x) (((x) >> S_RSPD_TYPE) & M_RSPD_TYPE)
149 
150 /* Rx queue interrupt deferral fields: counter enable and timer index */
151 #define S_QINTR_CNT_EN    0
152 #define V_QINTR_CNT_EN(x) ((x) << S_QINTR_CNT_EN)
153 #define F_QINTR_CNT_EN    V_QINTR_CNT_EN(1U)
154 
155 #define S_QINTR_TIMER_IDX    1
156 #define M_QINTR_TIMER_IDX    0x7
157 #define V_QINTR_TIMER_IDX(x) ((x) << S_QINTR_TIMER_IDX)
158 #define G_QINTR_TIMER_IDX(x) (((x) >> S_QINTR_TIMER_IDX) & M_QINTR_TIMER_IDX)
159 
160 /* # of pages a pagepod can hold without needing another pagepod */
161 #define PPOD_PAGES 4U
162 
163 struct pagepod {
164 	__be64 vld_tid_pgsz_tag_color;
165 	__be64 len_offset;
166 	__be64 rsvd;
167 	__be64 addr[PPOD_PAGES + 1];
168 };
169 
170 #define S_PPOD_COLOR    0
171 #define M_PPOD_COLOR    0x3F
172 #define V_PPOD_COLOR(x) ((x) << S_PPOD_COLOR)
173 
174 #define S_PPOD_TAG    6
175 #define M_PPOD_TAG    0xFFFFFF
176 #define V_PPOD_TAG(x) ((x) << S_PPOD_TAG)
177 #define G_PPOD_TAG(x) (((x) >> S_PPOD_TAG) & M_PPOD_TAG)
178 
179 #define S_PPOD_PGSZ    30
180 #define M_PPOD_PGSZ    0x3
181 #define V_PPOD_PGSZ(x) ((x) << S_PPOD_PGSZ)
182 #define G_PPOD_PGSZ(x) (((x) >> S_PPOD_PGSZ) & M_PPOD_PGSZ)
183 
184 #define S_PPOD_TID    32
185 #define M_PPOD_TID    0xFFFFFF
186 #define V_PPOD_TID(x) ((__u64)(x) << S_PPOD_TID)
187 
188 #define S_PPOD_VALID    56
189 #define V_PPOD_VALID(x) ((__u64)(x) << S_PPOD_VALID)
190 #define F_PPOD_VALID    V_PPOD_VALID(1ULL)
191 
192 #define S_PPOD_LEN    32
193 #define M_PPOD_LEN    0xFFFFFFFF
194 #define V_PPOD_LEN(x) ((__u64)(x) << S_PPOD_LEN)
195 
196 #define S_PPOD_OFST    0
197 #define M_PPOD_OFST    0xFFFFFFFF
198 #define V_PPOD_OFST(x) ((x) << S_PPOD_OFST)
199 
200 /*
201  * Flash layout.
202  */
203 #define FLASH_START(start)	((start) * SF_SEC_SIZE)
204 #define FLASH_MAX_SIZE(nsecs)	((nsecs) * SF_SEC_SIZE)
205 
206 enum {
207 	/*
208 	 * Various Expansion-ROM boot images, etc.
209 	 */
210 	FLASH_EXP_ROM_START_SEC = 0,
211 	FLASH_EXP_ROM_NSECS = 6,
212 	FLASH_EXP_ROM_START = FLASH_START(FLASH_EXP_ROM_START_SEC),
213 	FLASH_EXP_ROM_MAX_SIZE = FLASH_MAX_SIZE(FLASH_EXP_ROM_NSECS),
214 
215 	/*
216 	 * iSCSI Boot Firmware Table (iBFT) and other driver-related
217 	 * parameters ...
218 	 */
219 	FLASH_IBFT_START_SEC = 6,
220 	FLASH_IBFT_NSECS = 1,
221 	FLASH_IBFT_START = FLASH_START(FLASH_IBFT_START_SEC),
222 	FLASH_IBFT_MAX_SIZE = FLASH_MAX_SIZE(FLASH_IBFT_NSECS),
223 
224 	/*
225 	 * Boot configuration data.
226 	 */
227 	FLASH_BOOTCFG_START_SEC = 7,
228 	FLASH_BOOTCFG_NSECS = 1,
229 	FLASH_BOOTCFG_START = FLASH_START(FLASH_BOOTCFG_START_SEC),
230 	FLASH_BOOTCFG_MAX_SIZE = FLASH_MAX_SIZE(FLASH_BOOTCFG_NSECS),
231 
232 	/*
233 	 * Location of firmware image in FLASH.
234 	 */
235 	FLASH_FW_START_SEC = 8,
236 	FLASH_FW_NSECS = 16,
237 	FLASH_FW_START = FLASH_START(FLASH_FW_START_SEC),
238 	FLASH_FW_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FW_NSECS),
239 
240 	/*
241 	 * Location of bootstrap firmware image in FLASH.
242 	 */
243 	FLASH_FWBOOTSTRAP_START_SEC = 27,
244 	FLASH_FWBOOTSTRAP_NSECS = 1,
245 	FLASH_FWBOOTSTRAP_START = FLASH_START(FLASH_FWBOOTSTRAP_START_SEC),
246 	FLASH_FWBOOTSTRAP_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FWBOOTSTRAP_NSECS),
247 
248 	/*
249 	 * iSCSI persistent/crash information.
250 	 */
251 	FLASH_ISCSI_CRASH_START_SEC = 29,
252 	FLASH_ISCSI_CRASH_NSECS = 1,
253 	FLASH_ISCSI_CRASH_START = FLASH_START(FLASH_ISCSI_CRASH_START_SEC),
254 	FLASH_ISCSI_CRASH_MAX_SIZE = FLASH_MAX_SIZE(FLASH_ISCSI_CRASH_NSECS),
255 
256 	/*
257 	 * FCoE persistent/crash information.
258 	 */
259 	FLASH_FCOE_CRASH_START_SEC = 30,
260 	FLASH_FCOE_CRASH_NSECS = 1,
261 	FLASH_FCOE_CRASH_START = FLASH_START(FLASH_FCOE_CRASH_START_SEC),
262 	FLASH_FCOE_CRASH_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FCOE_CRASH_NSECS),
263 
264 	/*
265 	 * Location of Firmware Configuration File in FLASH.
266 	 */
267 	FLASH_CFG_START_SEC = 31,
268 	FLASH_CFG_NSECS = 1,
269 	FLASH_CFG_START = FLASH_START(FLASH_CFG_START_SEC),
270 	FLASH_CFG_MAX_SIZE = FLASH_MAX_SIZE(FLASH_CFG_NSECS),
271 
272 	/*
273 	 * We don't support FLASH devices which can't support the full
274 	 * standard set of sections which we need for normal operations.
275 	 */
276 	FLASH_MIN_SIZE = FLASH_CFG_START + FLASH_CFG_MAX_SIZE,
277 
278 	/*
279 	 * Sectors 32-63 are reserved for FLASH failover.
280 	 */
281 };
282 
283 #undef FLASH_START
284 #undef FLASH_MAX_SIZE
285 
286 #define S_SGE_TIMESTAMP 0
287 #define M_SGE_TIMESTAMP 0xfffffffffffffffULL
288 #define V_SGE_TIMESTAMP(x) ((__u64)(x) << S_SGE_TIMESTAMP)
289 #define G_SGE_TIMESTAMP(x) (((__u64)(x) >> S_SGE_TIMESTAMP) & M_SGE_TIMESTAMP)
290 
291 #endif /* __T4_HW_H */
292