xref: /illumos-gate/usr/src/uts/common/io/cxgbe/common/t4_hw.h (revision fa79a855d371dfcb29461ad6ebaf48a458bf9f14)
1 /*
2  * This file and its contents are supplied under the terms of the
3  * Common Development and Distribution License ("CDDL"), version 1.0.
4  * You may only use this file in accordance with the terms of version
5  * 1.0 of the CDDL.
6  *
7  * A full copy of the text of the CDDL should have accompanied this
8  * source. A copy of the CDDL is also available via the Internet at
9  * http://www.illumos.org/license/CDDL.
10  */
11 
12 /*
13  * This file is part of the Chelsio T4/T5/T6 Ethernet driver.
14  *
15  * Copyright (C) 2009-2017 Chelsio Communications.  All rights reserved.
16  *
17  * This program is distributed in the hope that it will be useful, but WITHOUT
18  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
19  * FITNESS FOR A PARTICULAR PURPOSE.  See the LICENSE file included in this
20  * release for licensing terms and conditions.
21  */
22 
23 #ifndef __T4_HW_H
24 #define __T4_HW_H
25 
26 #include "osdep.h"
27 
28 enum {
29 	NCHAN           = 4,     /* # of HW channels */
30 	MAX_MTU         = 9600,  /* max MAC MTU, excluding header + FCS */
31 	EEPROMSIZE      = 17408, /* Serial EEPROM physical size */
32 	EEPROMVSIZE     = 32768, /* Serial EEPROM virtual address space size */
33 	EEPROMPFSIZE    = 1024,  /* EEPROM writable area size for PFn, n>0 */
34 	RSS_NENTRIES    = 2048,  /* # of entries in RSS mapping table */
35 	TCB_SIZE        = 128,   /* TCB size */
36 	NMTUS           = 16,    /* size of MTU table */
37 	NCCTRL_WIN      = 32,    /* # of congestion control windows */
38 	NTX_SCHED       = 8,     /* # of HW Tx scheduling queues */
39 	PM_NSTATS       = 5,     /* # of PM stats */
40 	T6_PM_NSTATS    = 7,     /* # of PM stats in T6 */
41 	MBOX_LEN        = 64,    /* mailbox size in bytes */
42 	TRACE_LEN       = 112,   /* length of trace data and mask */
43 	FILTER_OPT_LEN  = 36,    /* filter tuple width of optional components */
44 	UDBS_SEG_SIZE   = 128,   /* segment size for BAR2 user doorbells */
45 };
46 
47 enum {
48 	CIM_NUM_IBQ    = 6,     /* # of CIM IBQs */
49 	CIM_NUM_OBQ    = 6,     /* # of CIM OBQs */
50 	CIM_NUM_OBQ_T5 = 8,     /* # of CIM OBQs for T5 adapter */
51 	CIMLA_SIZE     = 2048,  /* # of 32-bit words in CIM LA */
52 	CIM_PIFLA_SIZE = 64,    /* # of 192-bit words in CIM PIF LA */
53 	CIM_MALA_SIZE  = 64,    /* # of 160-bit words in CIM MA LA */
54 	CIM_IBQ_SIZE   = 128,   /* # of 128-bit words in a CIM IBQ */
55 	CIM_OBQ_SIZE   = 128,   /* # of 128-bit words in a CIM OBQ */
56 	TPLA_SIZE      = 128,   /* # of 64-bit words in TP LA */
57 	ULPRX_LA_SIZE  = 512,   /* # of 256-bit words in ULP_RX LA */
58 };
59 
60 enum {
61 	SF_PAGE_SIZE = 256,           /* serial flash page size */
62 	SF_SEC_SIZE = 64 * 1024,      /* serial flash sector size */
63 };
64 
65 /* SGE context types */
66 enum ctxt_type { CTXT_EGRESS, CTXT_INGRESS, CTXT_FLM, CTXT_CNM };
67 
68 enum { RSP_TYPE_FLBUF, RSP_TYPE_CPL, RSP_TYPE_INTR }; /* response entry types */
69 
70 enum { MBOX_OWNER_NONE, MBOX_OWNER_FW, MBOX_OWNER_DRV };    /* mailbox owners */
71 
72 enum {
73 	SGE_MAX_WR_LEN = 512,     /* max WR size in bytes */
74 	SGE_CTXT_SIZE = 24,       /* size of SGE context */
75 	SGE_NTIMERS = 6,          /* # of interrupt holdoff timer values */
76 	SGE_NCOUNTERS = 4,        /* # of interrupt packet counter values */
77 	SGE_MAX_IQ_SIZE = 65520,
78 };
79 
80 /* PCI-e memory window access */
81 enum pcie_memwin {
82 	MEMWIN_NIC      = 0,
83 	MEMWIN_RSVD1    = 1,
84 	MEMWIN_RSVD2    = 2,
85 	MEMWIN_RDMA     = 3,
86 	MEMWIN_RSVD4    = 4,
87 	MEMWIN_FOISCSI  = 5,
88 	MEMWIN_CSIOSTOR = 6,
89 	MEMWIN_RSVD7    = 7,
90 };
91 
92 struct sge_qstat {                /* data written to SGE queue status entries */
93 	__be32 qid;
94 	__be16 cidx;
95 	__be16 pidx;
96 };
97 
98 #define S_QSTAT_PIDX    0
99 #define M_QSTAT_PIDX    0xffff
100 #define G_QSTAT_PIDX(x) (((x) >> S_QSTAT_PIDX) & M_QSTAT_PIDX)
101 
102 #define S_QSTAT_CIDX    16
103 #define M_QSTAT_CIDX    0xffff
104 #define G_QSTAT_CIDX(x) (((x) >> S_QSTAT_CIDX) & M_QSTAT_CIDX)
105 
106 /*
107  * Structure for last 128 bits of response descriptors
108  */
109 struct rsp_ctrl {
110 	__be32 hdrbuflen_pidx;
111 	__be32 pldbuflen_qid;
112 	union {
113 		u8 type_gen;
114 		__be64 last_flit;
115 	} u;
116 };
117 
118 #define S_RSPD_NEWBUF    31
119 #define V_RSPD_NEWBUF(x) ((x) << S_RSPD_NEWBUF)
120 #define F_RSPD_NEWBUF    V_RSPD_NEWBUF(1U)
121 
122 #define S_RSPD_LEN    0
123 #define M_RSPD_LEN    0x7fffffff
124 #define V_RSPD_LEN(x) ((x) << S_RSPD_LEN)
125 #define G_RSPD_LEN(x) (((x) >> S_RSPD_LEN) & M_RSPD_LEN)
126 
127 #define S_RSPD_QID    S_RSPD_LEN
128 #define M_RSPD_QID    M_RSPD_LEN
129 #define V_RSPD_QID(x) V_RSPD_LEN(x)
130 #define G_RSPD_QID(x) G_RSPD_LEN(x)
131 
132 #define S_RSPD_GEN    7
133 #define V_RSPD_GEN(x) ((x) << S_RSPD_GEN)
134 #define F_RSPD_GEN    V_RSPD_GEN(1U)
135 
136 #define S_RSPD_QOVFL    6
137 #define V_RSPD_QOVFL(x) ((x) << S_RSPD_QOVFL)
138 #define F_RSPD_QOVFL    V_RSPD_QOVFL(1U)
139 
140 #define S_RSPD_TYPE    4
141 #define M_RSPD_TYPE    0x3
142 #define V_RSPD_TYPE(x) ((x) << S_RSPD_TYPE)
143 #define G_RSPD_TYPE(x) (((x) >> S_RSPD_TYPE) & M_RSPD_TYPE)
144 
145 /* Rx queue interrupt deferral fields: counter enable and timer index */
146 #define S_QINTR_CNT_EN    0
147 #define V_QINTR_CNT_EN(x) ((x) << S_QINTR_CNT_EN)
148 #define F_QINTR_CNT_EN    V_QINTR_CNT_EN(1U)
149 
150 #define S_QINTR_TIMER_IDX    1
151 #define M_QINTR_TIMER_IDX    0x7
152 #define V_QINTR_TIMER_IDX(x) ((x) << S_QINTR_TIMER_IDX)
153 #define G_QINTR_TIMER_IDX(x) (((x) >> S_QINTR_TIMER_IDX) & M_QINTR_TIMER_IDX)
154 
155 /* # of pages a pagepod can hold without needing another pagepod */
156 #define PPOD_PAGES 4U
157 
158 struct pagepod {
159 	__be64 vld_tid_pgsz_tag_color;
160 	__be64 len_offset;
161 	__be64 rsvd;
162 	__be64 addr[PPOD_PAGES + 1];
163 };
164 
165 #define S_PPOD_COLOR    0
166 #define M_PPOD_COLOR    0x3F
167 #define V_PPOD_COLOR(x) ((x) << S_PPOD_COLOR)
168 
169 #define S_PPOD_TAG    6
170 #define M_PPOD_TAG    0xFFFFFF
171 #define V_PPOD_TAG(x) ((x) << S_PPOD_TAG)
172 
173 #define S_PPOD_PGSZ    30
174 #define M_PPOD_PGSZ    0x3
175 #define V_PPOD_PGSZ(x) ((x) << S_PPOD_PGSZ)
176 
177 #define S_PPOD_TID    32
178 #define M_PPOD_TID    0xFFFFFF
179 #define V_PPOD_TID(x) ((__u64)(x) << S_PPOD_TID)
180 
181 #define S_PPOD_VALID    56
182 #define V_PPOD_VALID(x) ((__u64)(x) << S_PPOD_VALID)
183 #define F_PPOD_VALID    V_PPOD_VALID(1ULL)
184 
185 #define S_PPOD_LEN    32
186 #define M_PPOD_LEN    0xFFFFFFFF
187 #define V_PPOD_LEN(x) ((__u64)(x) << S_PPOD_LEN)
188 
189 #define S_PPOD_OFST    0
190 #define M_PPOD_OFST    0xFFFFFFFF
191 #define V_PPOD_OFST(x) ((x) << S_PPOD_OFST)
192 
193 /*
194  * Flash layout.
195  */
196 #define FLASH_START(start)	((start) * SF_SEC_SIZE)
197 #define FLASH_MAX_SIZE(nsecs)	((nsecs) * SF_SEC_SIZE)
198 
199 enum {
200 	/*
201 	 * Various Expansion-ROM boot images, etc.
202 	 */
203 	FLASH_EXP_ROM_START_SEC = 0,
204 	FLASH_EXP_ROM_NSECS = 6,
205 	FLASH_EXP_ROM_START = FLASH_START(FLASH_EXP_ROM_START_SEC),
206 	FLASH_EXP_ROM_MAX_SIZE = FLASH_MAX_SIZE(FLASH_EXP_ROM_NSECS),
207 
208 	/*
209 	 * iSCSI Boot Firmware Table (iBFT) and other driver-related
210 	 * parameters ...
211 	 */
212 	FLASH_IBFT_START_SEC = 6,
213 	FLASH_IBFT_NSECS = 1,
214 	FLASH_IBFT_START = FLASH_START(FLASH_IBFT_START_SEC),
215 	FLASH_IBFT_MAX_SIZE = FLASH_MAX_SIZE(FLASH_IBFT_NSECS),
216 
217 	/*
218 	 * Boot configuration data.
219 	 */
220 	FLASH_BOOTCFG_START_SEC = 7,
221 	FLASH_BOOTCFG_NSECS = 1,
222 	FLASH_BOOTCFG_START = FLASH_START(FLASH_BOOTCFG_START_SEC),
223 	FLASH_BOOTCFG_MAX_SIZE = FLASH_MAX_SIZE(FLASH_BOOTCFG_NSECS),
224 
225 	/*
226 	 * Location of firmware image in FLASH.
227 	 */
228 	FLASH_FW_START_SEC = 8,
229 	FLASH_FW_NSECS = 16,
230 	FLASH_FW_START = FLASH_START(FLASH_FW_START_SEC),
231 	FLASH_FW_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FW_NSECS),
232 
233 	/*
234 	 * Location of bootstrap firmware image in FLASH.
235 	 */
236 	FLASH_FWBOOTSTRAP_START_SEC = 27,
237 	FLASH_FWBOOTSTRAP_NSECS = 1,
238 	FLASH_FWBOOTSTRAP_START = FLASH_START(FLASH_FWBOOTSTRAP_START_SEC),
239 	FLASH_FWBOOTSTRAP_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FWBOOTSTRAP_NSECS),
240 
241 	/*
242 	 * iSCSI persistent/crash information.
243 	 */
244 	FLASH_ISCSI_CRASH_START_SEC = 29,
245 	FLASH_ISCSI_CRASH_NSECS = 1,
246 	FLASH_ISCSI_CRASH_START = FLASH_START(FLASH_ISCSI_CRASH_START_SEC),
247 	FLASH_ISCSI_CRASH_MAX_SIZE = FLASH_MAX_SIZE(FLASH_ISCSI_CRASH_NSECS),
248 
249 	/*
250 	 * FCoE persistent/crash information.
251 	 */
252 	FLASH_FCOE_CRASH_START_SEC = 30,
253 	FLASH_FCOE_CRASH_NSECS = 1,
254 	FLASH_FCOE_CRASH_START = FLASH_START(FLASH_FCOE_CRASH_START_SEC),
255 	FLASH_FCOE_CRASH_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FCOE_CRASH_NSECS),
256 
257 	/*
258 	 * Location of Firmware Configuration File in FLASH.
259 	 */
260 	FLASH_CFG_START_SEC = 31,
261 	FLASH_CFG_NSECS = 1,
262 	FLASH_CFG_START = FLASH_START(FLASH_CFG_START_SEC),
263 	FLASH_CFG_MAX_SIZE = FLASH_MAX_SIZE(FLASH_CFG_NSECS),
264 
265 	/*
266 	 * We don't support FLASH devices which can't support the full
267 	 * standard set of sections which we need for normal operations.
268 	 */
269 	FLASH_MIN_SIZE = FLASH_CFG_START + FLASH_CFG_MAX_SIZE,
270 
271 	/*
272 	 * Sectors 32-63 for CUDBG.
273 	 */
274 	FLASH_CUDBG_START_SEC = 32,
275 	FLASH_CUDBG_NSECS = 32,
276 	FLASH_CUDBG_START = FLASH_START(FLASH_CUDBG_START_SEC),
277 	FLASH_CUDBG_MAX_SIZE = FLASH_MAX_SIZE(FLASH_CUDBG_NSECS),
278 
279 	/*
280 	 * Size of defined FLASH regions.
281 	 */
282 	FLASH_END_SEC = 64,
283 };
284 
285 #undef FLASH_START
286 #undef FLASH_MAX_SIZE
287 
288 #define S_SGE_TIMESTAMP 0
289 #define M_SGE_TIMESTAMP 0xfffffffffffffffULL
290 #define V_SGE_TIMESTAMP(x) ((__u64)(x) << S_SGE_TIMESTAMP)
291 #define G_SGE_TIMESTAMP(x) (((__u64)(x) >> S_SGE_TIMESTAMP) & M_SGE_TIMESTAMP)
292 
293 #endif /* __T4_HW_H */
294