xref: /freebsd/sys/dev/cxgbe/common/t4_hw.h (revision 0b3105a37d7adcadcb720112fed4dc4e8040be99)
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 	MAX_MTU         = 9600,  /* max MAC MTU, excluding header + FCS */
38 	EEPROMSIZE      = 17408, /* Serial EEPROM physical size */
39 	EEPROMVSIZE     = 32768, /* Serial EEPROM virtual address space size */
40 	EEPROMPFSIZE    = 1024,  /* EEPROM writable area size for PFn, n>0 */
41 	RSS_NENTRIES    = 2048,  /* # of entries in RSS mapping table */
42 	TCB_SIZE        = 128,   /* TCB size */
43 	NMTUS           = 16,    /* size of MTU table */
44 	NCCTRL_WIN      = 32,    /* # of congestion control windows */
45 	NTX_SCHED       = 8,     /* # of HW Tx scheduling queues */
46 	PM_NSTATS       = 5,     /* # of PM stats */
47 	MBOX_LEN        = 64,    /* mailbox size in bytes */
48 	NTRACE          = 4,     /* # of tracing filters */
49 	TRACE_LEN       = 112,   /* length of trace data and mask */
50 	FILTER_OPT_LEN  = 36,    /* filter tuple width of optional components */
51 	NWOL_PAT        = 8,     /* # of WoL patterns */
52 	WOL_PAT_LEN     = 128,   /* length of WoL patterns */
53 	UDBS_SEG_SIZE   = 128,   /* Segment size of BAR2 doorbells */
54 	UDBS_SEG_SHIFT  = 7,     /* log2(UDBS_SEG_SIZE) */
55 	UDBS_DB_OFFSET  = 8,     /* offset of the 4B doorbell in a segment */
56 	UDBS_WR_OFFSET  = 64,    /* offset of the work request in a segment */
57 };
58 
59 enum {
60 	CIM_NUM_IBQ    = 6,     /* # of CIM IBQs */
61 	CIM_NUM_OBQ    = 6,     /* # of CIM OBQs */
62 	CIM_NUM_OBQ_T5 = 8,     /* # of CIM OBQs for T5 adapter */
63 	CIMLA_SIZE     = 2048,  /* # of 32-bit words in CIM LA */
64 	CIM_PIFLA_SIZE = 64,    /* # of 192-bit words in CIM PIF LA */
65 	CIM_MALA_SIZE  = 64,    /* # of 160-bit words in CIM MA LA */
66 	CIM_IBQ_SIZE   = 128,   /* # of 128-bit words in a CIM IBQ */
67 	CIM_OBQ_SIZE   = 128,   /* # of 128-bit words in a CIM OBQ */
68 	TPLA_SIZE      = 128,   /* # of 64-bit words in TP LA */
69 	ULPRX_LA_SIZE  = 512,   /* # of 256-bit words in ULP_RX LA */
70 };
71 
72 enum {
73 	SF_PAGE_SIZE = 256,           /* serial flash page size */
74 	SF_SEC_SIZE = 64 * 1024,      /* serial flash sector size */
75 };
76 
77 /* SGE context types */
78 enum ctxt_type { CTXT_EGRESS, CTXT_INGRESS, CTXT_FLM, CTXT_CNM };
79 
80 enum { RSP_TYPE_FLBUF, RSP_TYPE_CPL, RSP_TYPE_INTR }; /* response entry types */
81 
82 enum { MBOX_OWNER_NONE, MBOX_OWNER_FW, MBOX_OWNER_DRV };    /* mailbox owners */
83 
84 enum {
85 	SGE_MAX_WR_LEN = 512,     /* max WR size in bytes */
86 	SGE_CTXT_SIZE = 24,       /* size of SGE context */
87 	SGE_NTIMERS = 6,          /* # of interrupt holdoff timer values */
88 	SGE_NCOUNTERS = 4,        /* # of interrupt packet counter values */
89 	SGE_MAX_IQ_SIZE = 65520,
90 	SGE_FLBUF_SIZES = 16,
91 };
92 
93 struct sge_qstat {                /* data written to SGE queue status entries */
94 	volatile __be32 qid;
95 	volatile __be16 cidx;
96 	volatile __be16 pidx;
97 };
98 
99 #define S_QSTAT_PIDX    0
100 #define M_QSTAT_PIDX    0xffff
101 #define G_QSTAT_PIDX(x) (((x) >> S_QSTAT_PIDX) & M_QSTAT_PIDX)
102 
103 #define S_QSTAT_CIDX    16
104 #define M_QSTAT_CIDX    0xffff
105 #define G_QSTAT_CIDX(x) (((x) >> S_QSTAT_CIDX) & M_QSTAT_CIDX)
106 
107 /*
108  * Structure for last 128 bits of response descriptors
109  */
110 struct rsp_ctrl {
111 	__be32 hdrbuflen_pidx;
112 	__be32 pldbuflen_qid;
113 	union {
114 		u8 type_gen;
115 		__be64 last_flit;
116 	} u;
117 };
118 
119 #define S_RSPD_NEWBUF    31
120 #define V_RSPD_NEWBUF(x) ((x) << S_RSPD_NEWBUF)
121 #define F_RSPD_NEWBUF    V_RSPD_NEWBUF(1U)
122 
123 #define S_RSPD_LEN    0
124 #define M_RSPD_LEN    0x7fffffff
125 #define V_RSPD_LEN(x) ((x) << S_RSPD_LEN)
126 #define G_RSPD_LEN(x) (((x) >> S_RSPD_LEN) & M_RSPD_LEN)
127 
128 #define S_RSPD_QID    S_RSPD_LEN
129 #define M_RSPD_QID    M_RSPD_LEN
130 #define V_RSPD_QID(x) V_RSPD_LEN(x)
131 #define G_RSPD_QID(x) G_RSPD_LEN(x)
132 
133 #define S_RSPD_GEN    7
134 #define V_RSPD_GEN(x) ((x) << S_RSPD_GEN)
135 #define F_RSPD_GEN    V_RSPD_GEN(1U)
136 
137 #define S_RSPD_QOVFL    6
138 #define V_RSPD_QOVFL(x) ((x) << S_RSPD_QOVFL)
139 #define F_RSPD_QOVFL    V_RSPD_QOVFL(1U)
140 
141 #define S_RSPD_TYPE    4
142 #define M_RSPD_TYPE    0x3
143 #define V_RSPD_TYPE(x) ((x) << S_RSPD_TYPE)
144 #define G_RSPD_TYPE(x) (((x) >> S_RSPD_TYPE) & M_RSPD_TYPE)
145 
146 /* Rx queue interrupt deferral fields: counter enable and timer index */
147 #define S_QINTR_CNT_EN    0
148 #define V_QINTR_CNT_EN(x) ((x) << S_QINTR_CNT_EN)
149 #define F_QINTR_CNT_EN    V_QINTR_CNT_EN(1U)
150 
151 #define S_QINTR_TIMER_IDX    1
152 #define M_QINTR_TIMER_IDX    0x7
153 #define V_QINTR_TIMER_IDX(x) ((x) << S_QINTR_TIMER_IDX)
154 #define G_QINTR_TIMER_IDX(x) (((x) >> S_QINTR_TIMER_IDX) & M_QINTR_TIMER_IDX)
155 
156 /* # of pages a pagepod can hold without needing another pagepod */
157 #define PPOD_PAGES 4U
158 
159 struct pagepod {
160 	__be64 vld_tid_pgsz_tag_color;
161 	__be64 len_offset;
162 	__be64 rsvd;
163 	__be64 addr[PPOD_PAGES + 1];
164 };
165 
166 #define S_PPOD_COLOR    0
167 #define M_PPOD_COLOR    0x3F
168 #define V_PPOD_COLOR(x) ((x) << S_PPOD_COLOR)
169 
170 #define S_PPOD_TAG    6
171 #define M_PPOD_TAG    0xFFFFFF
172 #define V_PPOD_TAG(x) ((x) << S_PPOD_TAG)
173 #define G_PPOD_TAG(x) (((x) >> S_PPOD_TAG) & M_PPOD_TAG)
174 
175 #define S_PPOD_PGSZ    30
176 #define M_PPOD_PGSZ    0x3
177 #define V_PPOD_PGSZ(x) ((x) << S_PPOD_PGSZ)
178 #define G_PPOD_PGSZ(x) (((x) >> S_PPOD_PGSZ) & M_PPOD_PGSZ)
179 
180 #define S_PPOD_TID    32
181 #define M_PPOD_TID    0xFFFFFF
182 #define V_PPOD_TID(x) ((__u64)(x) << S_PPOD_TID)
183 
184 #define S_PPOD_VALID    56
185 #define V_PPOD_VALID(x) ((__u64)(x) << S_PPOD_VALID)
186 #define F_PPOD_VALID    V_PPOD_VALID(1ULL)
187 
188 #define S_PPOD_LEN    32
189 #define M_PPOD_LEN    0xFFFFFFFF
190 #define V_PPOD_LEN(x) ((__u64)(x) << S_PPOD_LEN)
191 
192 #define S_PPOD_OFST    0
193 #define M_PPOD_OFST    0xFFFFFFFF
194 #define V_PPOD_OFST(x) ((x) << S_PPOD_OFST)
195 
196 /*
197  * Flash layout.
198  */
199 #define FLASH_START(start)	((start) * SF_SEC_SIZE)
200 #define FLASH_MAX_SIZE(nsecs)	((nsecs) * SF_SEC_SIZE)
201 
202 enum {
203 	/*
204 	 * Various Expansion-ROM boot images, etc.
205 	 */
206 	FLASH_EXP_ROM_START_SEC = 0,
207 	FLASH_EXP_ROM_NSECS = 6,
208 	FLASH_EXP_ROM_START = FLASH_START(FLASH_EXP_ROM_START_SEC),
209 	FLASH_EXP_ROM_MAX_SIZE = FLASH_MAX_SIZE(FLASH_EXP_ROM_NSECS),
210 
211 	/*
212 	 * iSCSI Boot Firmware Table (iBFT) and other driver-related
213 	 * parameters ...
214 	 */
215 	FLASH_IBFT_START_SEC = 6,
216 	FLASH_IBFT_NSECS = 1,
217 	FLASH_IBFT_START = FLASH_START(FLASH_IBFT_START_SEC),
218 	FLASH_IBFT_MAX_SIZE = FLASH_MAX_SIZE(FLASH_IBFT_NSECS),
219 
220 	/*
221 	 * Boot configuration data.
222 	 */
223 	FLASH_BOOTCFG_START_SEC = 7,
224 	FLASH_BOOTCFG_NSECS = 1,
225 	FLASH_BOOTCFG_START = FLASH_START(FLASH_BOOTCFG_START_SEC),
226 	FLASH_BOOTCFG_MAX_SIZE = FLASH_MAX_SIZE(FLASH_BOOTCFG_NSECS),
227 
228 	/*
229 	 * Location of firmware image in FLASH.
230 	 */
231 	FLASH_FW_START_SEC = 8,
232 	FLASH_FW_NSECS = 16,
233 	FLASH_FW_START = FLASH_START(FLASH_FW_START_SEC),
234 	FLASH_FW_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FW_NSECS),
235 
236 	/*
237 	 * Location of bootstrap firmware image in FLASH.
238 	 */
239 	FLASH_FWBOOTSTRAP_START_SEC = 27,
240 	FLASH_FWBOOTSTRAP_NSECS = 1,
241 	FLASH_FWBOOTSTRAP_START = FLASH_START(FLASH_FWBOOTSTRAP_START_SEC),
242 	FLASH_FWBOOTSTRAP_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FWBOOTSTRAP_NSECS),
243 
244 	/*
245 	 * iSCSI persistent/crash information.
246 	 */
247 	FLASH_ISCSI_CRASH_START_SEC = 29,
248 	FLASH_ISCSI_CRASH_NSECS = 1,
249 	FLASH_ISCSI_CRASH_START = FLASH_START(FLASH_ISCSI_CRASH_START_SEC),
250 	FLASH_ISCSI_CRASH_MAX_SIZE = FLASH_MAX_SIZE(FLASH_ISCSI_CRASH_NSECS),
251 
252 	/*
253 	 * FCoE persistent/crash information.
254 	 */
255 	FLASH_FCOE_CRASH_START_SEC = 30,
256 	FLASH_FCOE_CRASH_NSECS = 1,
257 	FLASH_FCOE_CRASH_START = FLASH_START(FLASH_FCOE_CRASH_START_SEC),
258 	FLASH_FCOE_CRASH_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FCOE_CRASH_NSECS),
259 
260 	/*
261 	 * Location of Firmware Configuration File in FLASH.
262 	 */
263 	FLASH_CFG_START_SEC = 31,
264 	FLASH_CFG_NSECS = 1,
265 	FLASH_CFG_START = FLASH_START(FLASH_CFG_START_SEC),
266 	FLASH_CFG_MAX_SIZE = FLASH_MAX_SIZE(FLASH_CFG_NSECS),
267 
268 	/*
269 	 * We don't support FLASH devices which can't support the full
270 	 * standard set of sections which we need for normal operations.
271 	 */
272 	FLASH_MIN_SIZE = FLASH_CFG_START + FLASH_CFG_MAX_SIZE,
273 
274 	/*
275 	 * Sectors 32-63 are reserved for FLASH failover.
276 	 */
277 };
278 
279 #undef FLASH_START
280 #undef FLASH_MAX_SIZE
281 
282 #define S_SGE_TIMESTAMP 0
283 #define M_SGE_TIMESTAMP 0xfffffffffffffffULL
284 #define V_SGE_TIMESTAMP(x) ((__u64)(x) << S_SGE_TIMESTAMP)
285 #define G_SGE_TIMESTAMP(x) (((__u64)(x) >> S_SGE_TIMESTAMP) & M_SGE_TIMESTAMP)
286 
287 #endif /* __T4_HW_H */
288