xref: /titanic_41/usr/src/uts/common/io/cxgbe/common/t4_hw.h (revision 6774dc07ebd5a9d69956f033d5ac5a68803bd66b)
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 for optional */
43 				/* components */
44 	NWOL_PAT	= 8,	/* # of WoL patterns */
45 	WOL_PAT_LEN	= 128,	/* length of WoL patterns */
46 };
47 
48 enum {
49 	CIM_NUM_IBQ	= 6,	/* # of CIM IBQs */
50 	CIM_NUM_OBQ	= 6,	/* # of CIM OBQs */
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 	TPLA_SIZE	= 128,	/* # of 64-bit words in TP LA */
56 	ULPRX_LA_SIZE	= 512,	/* # of 256-bit words in ULP_RX LA */
57 };
58 
59 enum {
60 	SF_PAGE_SIZE = 256,		/* serial flash page size */
61 	SF_SEC_SIZE = 64 * 1024,	/* serial flash sector size */
62 };
63 
64 /* SGE context types */
65 enum ctxt_type { CTXT_EGRESS, CTXT_INGRESS, CTXT_FLM, CTXT_CNM };
66 
67 enum { RSP_TYPE_FLBUF, RSP_TYPE_CPL, RSP_TYPE_INTR }; /* response entry types */
68 
69 enum { MBOX_OWNER_NONE, MBOX_OWNER_FW, MBOX_OWNER_DRV };    /* mailbox owners */
70 
71 enum {
72 	SGE_MAX_WR_LEN = 512,	/* max WR size in bytes */
73 	SGE_CTXT_SIZE = 24,	/* size of SGE context */
74 	SGE_NTIMERS = 6,	/* # of interrupt holdoff timer values */
75 	SGE_NCOUNTERS = 4,	/* # of interrupt packet counter values */
76 };
77 
78 struct sge_qstat {		/* data written to SGE queue status entries */
79 	volatile __be32 qid;
80 	volatile __be16 cidx;
81 	volatile __be16 pidx;
82 };
83 
84 #define	S_QSTAT_PIDX    0
85 #define	M_QSTAT_PIDX    0xffff
86 #define	G_QSTAT_PIDX(x) (((x) >> S_QSTAT_PIDX) & M_QSTAT_PIDX)
87 
88 #define	S_QSTAT_CIDX    16
89 #define	M_QSTAT_CIDX    0xffff
90 #define	G_QSTAT_CIDX(x) (((x) >> S_QSTAT_CIDX) & M_QSTAT_CIDX)
91 
92 /*
93  * Structure for last 128 bits of response descriptors
94  */
95 struct rsp_ctrl {
96 	__be32 hdrbuflen_pidx;
97 	__be32 pldbuflen_qid;
98 	union {
99 		u8 type_gen;
100 		__be64 last_flit;
101 	} u;
102 };
103 
104 #define	S_RSPD_NEWBUF    31
105 #define	V_RSPD_NEWBUF(x) ((x) << S_RSPD_NEWBUF)
106 #define	F_RSPD_NEWBUF    V_RSPD_NEWBUF(1U)
107 
108 #define	S_RSPD_LEN    0
109 #define	M_RSPD_LEN    0x7fffffff
110 #define	V_RSPD_LEN(x) ((x) << S_RSPD_LEN)
111 #define	G_RSPD_LEN(x) (((x) >> S_RSPD_LEN) & M_RSPD_LEN)
112 
113 #define	S_RSPD_QID    S_RSPD_LEN
114 #define	M_RSPD_QID    M_RSPD_LEN
115 #define	V_RSPD_QID(x) V_RSPD_LEN(x)
116 #define	G_RSPD_QID(x) G_RSPD_LEN(x)
117 
118 #define	S_RSPD_GEN    7
119 #define	V_RSPD_GEN(x) ((x) << S_RSPD_GEN)
120 #define	F_RSPD_GEN    V_RSPD_GEN(1U)
121 
122 #define	S_RSPD_QOVFL    6
123 #define	V_RSPD_QOVFL(x) ((x) << S_RSPD_QOVFL)
124 #define	F_RSPD_QOVFL    V_RSPD_QOVFL(1U)
125 
126 #define	S_RSPD_TYPE    4
127 #define	M_RSPD_TYPE    0x3
128 #define	V_RSPD_TYPE(x) ((x) << S_RSPD_TYPE)
129 #define	G_RSPD_TYPE(x) (((x) >> S_RSPD_TYPE) & M_RSPD_TYPE)
130 
131 /* Rx queue interrupt deferral fields: counter enable and timer index */
132 #define	S_QINTR_CNT_EN    0
133 #define	V_QINTR_CNT_EN(x) ((x) << S_QINTR_CNT_EN)
134 #define	F_QINTR_CNT_EN    V_QINTR_CNT_EN(1U)
135 
136 #define	S_QINTR_TIMER_IDX    1
137 #define	M_QINTR_TIMER_IDX    0x7
138 #define	V_QINTR_TIMER_IDX(x) ((x) << S_QINTR_TIMER_IDX)
139 #define	G_QINTR_TIMER_IDX(x) (((x) >> S_QINTR_TIMER_IDX) & M_QINTR_TIMER_IDX)
140 
141 /* # of pages a pagepod can hold without needing another pagepod */
142 #define	PPOD_PAGES 4U
143 
144 struct pagepod {
145 	__be64 vld_tid_pgsz_tag_color;
146 	__be64 len_offset;
147 	__be64 rsvd;
148 	__be64 addr[PPOD_PAGES + 1];
149 };
150 
151 #define	S_PPOD_COLOR    0
152 #define	M_PPOD_COLOR    0x3F
153 #define	V_PPOD_COLOR(x) ((x) << S_PPOD_COLOR)
154 
155 #define	S_PPOD_TAG    6
156 #define	M_PPOD_TAG    0xFFFFFF
157 #define	V_PPOD_TAG(x) ((x) << S_PPOD_TAG)
158 
159 #define	S_PPOD_PGSZ    30
160 #define	M_PPOD_PGSZ    0x3
161 #define	V_PPOD_PGSZ(x) ((x) << S_PPOD_PGSZ)
162 
163 #define	S_PPOD_TID    32
164 #define	M_PPOD_TID    0xFFFFFF
165 #define	V_PPOD_TID(x) ((__u64)(x) << S_PPOD_TID)
166 
167 #define	S_PPOD_VALID    56
168 #define	V_PPOD_VALID(x) ((__u64)(x) << S_PPOD_VALID)
169 #define	F_PPOD_VALID    V_PPOD_VALID(1ULL)
170 
171 #define	S_PPOD_LEN    32
172 #define	M_PPOD_LEN    0xFFFFFFFF
173 #define	V_PPOD_LEN(x) ((__u64)(x) << S_PPOD_LEN)
174 
175 #define	S_PPOD_OFST    0
176 #define	M_PPOD_OFST    0xFFFFFFFF
177 #define	V_PPOD_OFST(x) ((x) << S_PPOD_OFST)
178 
179 /*
180  * Flash layout.
181  */
182 #define	FLASH_START(start)	((start) * SF_SEC_SIZE)
183 #define	FLASH_MAX_SIZE(nsecs)	((nsecs) * SF_SEC_SIZE)
184 
185 enum {
186 	/*
187 	 * Various Expansion-ROM boot images, etc.
188 	 */
189 	FLASH_EXP_ROM_START_SEC = 0,
190 	FLASH_EXP_ROM_NSECS = 6,
191 	FLASH_EXP_ROM_START = FLASH_START(FLASH_EXP_ROM_START_SEC),
192 	FLASH_EXP_ROM_MAX_SIZE = FLASH_MAX_SIZE(FLASH_EXP_ROM_NSECS),
193 
194 	/*
195 	 * iSCSI Boot Firmware Table (iBFT) and other driver-related
196 	 * parameters ...
197 	 */
198 	FLASH_IBFT_START_SEC = 6,
199 	FLASH_IBFT_NSECS = 1,
200 	FLASH_IBFT_START = FLASH_START(FLASH_IBFT_START_SEC),
201 	FLASH_IBFT_MAX_SIZE = FLASH_MAX_SIZE(FLASH_IBFT_NSECS),
202 
203 	/*
204 	 * Boot configuration data.
205 	 */
206 	FLASH_BOOTCFG_START_SEC = 7,
207 	FLASH_BOOTCFG_NSECS = 1,
208 	FLASH_BOOTCFG_START = FLASH_START(FLASH_BOOTCFG_START_SEC),
209 	FLASH_BOOTCFG_MAX_SIZE = FLASH_MAX_SIZE(FLASH_BOOTCFG_NSECS),
210 
211 	/*
212 	 * Location of firmware image in FLASH.
213 	 */
214 	FLASH_FW_START_SEC = 8,
215 	FLASH_FW_NSECS = 8,
216 	FLASH_FW_START = FLASH_START(FLASH_FW_START_SEC),
217 	FLASH_FW_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FW_NSECS),
218 
219 	/*
220 	 * iSCSI persistent/crash information.
221 	 */
222 	FLASH_ISCSI_CRASH_START_SEC = 29,
223 	FLASH_ISCSI_CRASH_NSECS = 1,
224 	FLASH_ISCSI_CRASH_START = FLASH_START(FLASH_ISCSI_CRASH_START_SEC),
225 	FLASH_ISCSI_CRASH_MAX_SIZE = FLASH_MAX_SIZE(FLASH_ISCSI_CRASH_NSECS),
226 
227 	/*
228 	 * FCoE persistent/crash information.
229 	 */
230 	FLASH_FCOE_CRASH_START_SEC = 30,
231 	FLASH_FCOE_CRASH_NSECS = 1,
232 	FLASH_FCOE_CRASH_START = FLASH_START(FLASH_FCOE_CRASH_START_SEC),
233 	FLASH_FCOE_CRASH_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FCOE_CRASH_NSECS),
234 
235 	/*
236 	 * Location of Firmware Configuration File in FLASH.  Since the FPGA
237 	 * "FLASH" is smaller we need to store the Configuration File in a
238 	 * different location -- which will overlap the end of the firmware
239 	 * image if firmware ever gets that large ...
240 	 */
241 	FLASH_CFG_START_SEC = 31,
242 	FLASH_CFG_NSECS = 1,
243 	FLASH_CFG_START = FLASH_START(FLASH_CFG_START_SEC),
244 	FLASH_CFG_MAX_SIZE = FLASH_MAX_SIZE(FLASH_CFG_NSECS),
245 
246 	FLASH_FPGA_CFG_START_SEC = 15,
247 	FLASH_FPGA_CFG_START = FLASH_START(FLASH_FPGA_CFG_START_SEC),
248 
249 	/*
250 	 * Sectors 32-63 are reserved for FLASH failover.
251 	 */
252 };
253 
254 #undef FLASH_START
255 #undef FLASH_MAX_SIZE
256 
257 #endif /* __CXGBE_T4_HW_H */
258