xref: /illumos-gate/usr/src/uts/common/io/cxgbe/common/t4_hw.h (revision 92c82aaee9430c329e5095550e89559ba0dd9fee)
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 Ethernet driver.
14  *
15  * Copyright (C) 2009-2013 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 __CXGBE_T4_HW_H
24 #define	__CXGBE_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 	MBOX_LEN	= 64,	/* mailbox size in bytes */
41 	TRACE_LEN	= 112,	/* length of trace data and mask */
42 	FILTER_OPT_LEN	= 36,	/* filter tuple width of optional components */
43 	NWOL_PAT	= 8,	/* # of WoL patterns */
44 	WOL_PAT_LEN	= 128,	/* length of WoL patterns */
45 	UDBS_SEG_SIZE	= 128,	/* Segment size of BAR2 doorbells */
46 	UDBS_SEG_SHIFT	= 7,	/* log2(UDBS_SEG_SIZE) */
47 	UDBS_DB_OFFSET	= 8,	/* offset of the 4B doorbell in a segment */
48 	UDBS_WR_OFFSET	= 64,	/* offset of the work request in a segment */
49 };
50 
51 enum {
52 	CIM_NUM_IBQ	= 6,	/* # of CIM IBQs */
53 	CIM_NUM_OBQ	= 6,	/* # of CIM OBQs */
54 	CIM_NUM_OBQ_T5	= 8,	/* # of CIM OBQs for T5 adapter */
55 	CIMLA_SIZE	= 2048,	/* # of 32-bit words in CIM LA */
56 	CIM_PIFLA_SIZE	= 64,	/* # of 192-bit words in CIM PIF LA */
57 	CIM_MALA_SIZE	= 64,	/* # of 160-bit words in CIM MA LA */
58 	CIM_IBQ_SIZE	= 128,	/* # of 128-bit words in a CIM IBQ */
59 	CIM_OBQ_SIZE	= 128,	/* # of 128-bit words in a CIM OBQ */
60 	TPLA_SIZE	= 128,	/* # of 64-bit words in TP LA */
61 	ULPRX_LA_SIZE	= 512,	/* # of 256-bit words in ULP_RX LA */
62 };
63 
64 enum {
65 	SF_PAGE_SIZE = 256,		/* serial flash page size */
66 	SF_SEC_SIZE = 64 * 1024,	/* serial flash sector size */
67 };
68 
69 /* SGE context types */
70 enum ctxt_type { CTXT_EGRESS, CTXT_INGRESS, CTXT_FLM, CTXT_CNM };
71 
72 enum { RSP_TYPE_FLBUF, RSP_TYPE_CPL, RSP_TYPE_INTR }; /* response entry types */
73 
74 enum { MBOX_OWNER_NONE, MBOX_OWNER_FW, MBOX_OWNER_DRV };    /* mailbox owners */
75 
76 enum {
77 	SGE_MAX_WR_LEN = 512,	/* max WR size in bytes */
78 	SGE_CTXT_SIZE = 24,	/* size of SGE context */
79 	SGE_NTIMERS = 6,	/* # of interrupt holdoff timer values */
80 	SGE_NCOUNTERS = 4,	/* # of interrupt packet counter values */
81 	SGE_MAX_IQ_SIZE = 65520,
82 };
83 
84 struct sge_qstat {		/* data written to SGE queue status entries */
85 	volatile __be32 qid;
86 	volatile __be16 cidx;
87 	volatile __be16 pidx;
88 };
89 
90 #define	S_QSTAT_PIDX    0
91 #define	M_QSTAT_PIDX    0xffff
92 #define	G_QSTAT_PIDX(x) (((x) >> S_QSTAT_PIDX) & M_QSTAT_PIDX)
93 
94 #define	S_QSTAT_CIDX    16
95 #define	M_QSTAT_CIDX    0xffff
96 #define	G_QSTAT_CIDX(x) (((x) >> S_QSTAT_CIDX) & M_QSTAT_CIDX)
97 
98 /*
99  * Structure for last 128 bits of response descriptors
100  */
101 struct rsp_ctrl {
102 	__be32 hdrbuflen_pidx;
103 	__be32 pldbuflen_qid;
104 	union {
105 		u8 type_gen;
106 		__be64 last_flit;
107 	} u;
108 };
109 
110 #define	S_RSPD_NEWBUF    31
111 #define	V_RSPD_NEWBUF(x) ((x) << S_RSPD_NEWBUF)
112 #define	F_RSPD_NEWBUF    V_RSPD_NEWBUF(1U)
113 
114 #define	S_RSPD_LEN    0
115 #define	M_RSPD_LEN    0x7fffffff
116 #define	V_RSPD_LEN(x) ((x) << S_RSPD_LEN)
117 #define	G_RSPD_LEN(x) (((x) >> S_RSPD_LEN) & M_RSPD_LEN)
118 
119 #define	S_RSPD_QID    S_RSPD_LEN
120 #define	M_RSPD_QID    M_RSPD_LEN
121 #define	V_RSPD_QID(x) V_RSPD_LEN(x)
122 #define	G_RSPD_QID(x) G_RSPD_LEN(x)
123 
124 #define	S_RSPD_GEN    7
125 #define	V_RSPD_GEN(x) ((x) << S_RSPD_GEN)
126 #define	F_RSPD_GEN    V_RSPD_GEN(1U)
127 
128 #define	S_RSPD_QOVFL    6
129 #define	V_RSPD_QOVFL(x) ((x) << S_RSPD_QOVFL)
130 #define	F_RSPD_QOVFL    V_RSPD_QOVFL(1U)
131 
132 #define	S_RSPD_TYPE    4
133 #define	M_RSPD_TYPE    0x3
134 #define	V_RSPD_TYPE(x) ((x) << S_RSPD_TYPE)
135 #define	G_RSPD_TYPE(x) (((x) >> S_RSPD_TYPE) & M_RSPD_TYPE)
136 
137 /* Rx queue interrupt deferral fields: counter enable and timer index */
138 #define	S_QINTR_CNT_EN    0
139 #define	V_QINTR_CNT_EN(x) ((x) << S_QINTR_CNT_EN)
140 #define	F_QINTR_CNT_EN    V_QINTR_CNT_EN(1U)
141 
142 #define	S_QINTR_TIMER_IDX    1
143 #define	M_QINTR_TIMER_IDX    0x7
144 #define	V_QINTR_TIMER_IDX(x) ((x) << S_QINTR_TIMER_IDX)
145 #define	G_QINTR_TIMER_IDX(x) (((x) >> S_QINTR_TIMER_IDX) & M_QINTR_TIMER_IDX)
146 
147 /* # of pages a pagepod can hold without needing another pagepod */
148 #define	PPOD_PAGES 4U
149 
150 struct pagepod {
151 	__be64 vld_tid_pgsz_tag_color;
152 	__be64 len_offset;
153 	__be64 rsvd;
154 	__be64 addr[PPOD_PAGES + 1];
155 };
156 
157 #define	S_PPOD_COLOR    0
158 #define	M_PPOD_COLOR    0x3F
159 #define	V_PPOD_COLOR(x) ((x) << S_PPOD_COLOR)
160 
161 #define	S_PPOD_TAG    6
162 #define	M_PPOD_TAG    0xFFFFFF
163 #define	V_PPOD_TAG(x) ((x) << S_PPOD_TAG)
164 #define G_PPOD_TAG(x) (((x) >> S_PPOD_TAG) & M_PPOD_TAG)
165 
166 #define	S_PPOD_PGSZ    30
167 #define	M_PPOD_PGSZ    0x3
168 #define	V_PPOD_PGSZ(x) ((x) << S_PPOD_PGSZ)
169 #define G_PPOD_PGSZ(x) (((x) >> S_PPOD_PGSZ) & M_PPOD_PGSZ)
170 
171 #define	S_PPOD_TID    32
172 #define	M_PPOD_TID    0xFFFFFF
173 #define	V_PPOD_TID(x) ((__u64)(x) << S_PPOD_TID)
174 
175 #define	S_PPOD_VALID    56
176 #define	V_PPOD_VALID(x) ((__u64)(x) << S_PPOD_VALID)
177 #define	F_PPOD_VALID    V_PPOD_VALID(1ULL)
178 
179 #define	S_PPOD_LEN    32
180 #define	M_PPOD_LEN    0xFFFFFFFF
181 #define	V_PPOD_LEN(x) ((__u64)(x) << S_PPOD_LEN)
182 
183 #define	S_PPOD_OFST    0
184 #define	M_PPOD_OFST    0xFFFFFFFF
185 #define	V_PPOD_OFST(x) ((x) << S_PPOD_OFST)
186 
187 /*
188  * Flash layout.
189  */
190 #define	FLASH_START(start)	((start) * SF_SEC_SIZE)
191 #define	FLASH_MAX_SIZE(nsecs)	((nsecs) * SF_SEC_SIZE)
192 
193 enum {
194 	/*
195 	 * Various Expansion-ROM boot images, etc.
196 	 */
197 	FLASH_EXP_ROM_START_SEC = 0,
198 	FLASH_EXP_ROM_NSECS = 6,
199 	FLASH_EXP_ROM_START = FLASH_START(FLASH_EXP_ROM_START_SEC),
200 	FLASH_EXP_ROM_MAX_SIZE = FLASH_MAX_SIZE(FLASH_EXP_ROM_NSECS),
201 
202 	/*
203 	 * iSCSI Boot Firmware Table (iBFT) and other driver-related
204 	 * parameters ...
205 	 */
206 	FLASH_IBFT_START_SEC = 6,
207 	FLASH_IBFT_NSECS = 1,
208 	FLASH_IBFT_START = FLASH_START(FLASH_IBFT_START_SEC),
209 	FLASH_IBFT_MAX_SIZE = FLASH_MAX_SIZE(FLASH_IBFT_NSECS),
210 
211 	/*
212 	 * Boot configuration data.
213 	 */
214 	FLASH_BOOTCFG_START_SEC = 7,
215 	FLASH_BOOTCFG_NSECS = 1,
216 	FLASH_BOOTCFG_START = FLASH_START(FLASH_BOOTCFG_START_SEC),
217 	FLASH_BOOTCFG_MAX_SIZE = FLASH_MAX_SIZE(FLASH_BOOTCFG_NSECS),
218 
219 	/*
220 	 * Location of firmware image in FLASH.
221 	 */
222 	FLASH_FW_START_SEC = 8,
223 	FLASH_FW_NSECS = 16,
224 	FLASH_FW_START = FLASH_START(FLASH_FW_START_SEC),
225 	FLASH_FW_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FW_NSECS),
226 
227 	/*
228 	 * Location of bootstrap firmware image in FLASH.
229 	 */
230 	FLASH_FWBOOTSTRAP_START_SEC = 27,
231 	FLASH_FWBOOTSTRAP_NSECS = 1,
232 	FLASH_FWBOOTSTRAP_START = FLASH_START(FLASH_FWBOOTSTRAP_START_SEC),
233 	FLASH_FWBOOTSTRAP_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FWBOOTSTRAP_NSECS),
234 
235 	/*
236 	 * iSCSI persistent/crash information.
237 	 */
238 	FLASH_ISCSI_CRASH_START_SEC = 29,
239 	FLASH_ISCSI_CRASH_NSECS = 1,
240 	FLASH_ISCSI_CRASH_START = FLASH_START(FLASH_ISCSI_CRASH_START_SEC),
241 	FLASH_ISCSI_CRASH_MAX_SIZE = FLASH_MAX_SIZE(FLASH_ISCSI_CRASH_NSECS),
242 
243 	/*
244 	 * FCoE persistent/crash information.
245 	 */
246 	FLASH_FCOE_CRASH_START_SEC = 30,
247 	FLASH_FCOE_CRASH_NSECS = 1,
248 	FLASH_FCOE_CRASH_START = FLASH_START(FLASH_FCOE_CRASH_START_SEC),
249 	FLASH_FCOE_CRASH_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FCOE_CRASH_NSECS),
250 
251 	/*
252 	 * Location of Firmware Configuration File in FLASH.  Since the FPGA
253 	 * "FLASH" is smaller we need to store the Configuration File in a
254 	 * different location -- which will overlap the end of the firmware
255 	 * image if firmware ever gets that large ...
256 	 */
257 	FLASH_CFG_START_SEC = 31,
258 	FLASH_CFG_NSECS = 1,
259 	FLASH_CFG_START = FLASH_START(FLASH_CFG_START_SEC),
260 	FLASH_CFG_MAX_SIZE = FLASH_MAX_SIZE(FLASH_CFG_NSECS),
261 
262 	FLASH_FPGA_CFG_START_SEC = 15,
263 	FLASH_FPGA_CFG_START = FLASH_START(FLASH_FPGA_CFG_START_SEC),
264 
265 	/*
266 	 * Sectors 32-63 are reserved for FLASH failover.
267 	 */
268 };
269 
270 #undef FLASH_START
271 #undef FLASH_MAX_SIZE
272 
273 #endif /* __CXGBE_T4_HW_H */
274