xref: /freebsd/sys/dev/cxgbe/common/t4_hw.h (revision 1aaed33edb24c98a09130cd66667d6a795b6b2a8)
1 /*-
2  * Copyright (c) 2011 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 	TRACE_LEN      = 112,   /* length of trace data and mask */
49 	FILTER_OPT_LEN = 36,    /* filter tuple width for optional components */
50 	NWOL_PAT       = 8,     /* # of WoL patterns */
51 	WOL_PAT_LEN    = 128,   /* length of WoL patterns */
52 };
53 
54 enum {
55 	CIM_NUM_IBQ    = 6,     /* # of CIM IBQs */
56 	CIM_NUM_OBQ    = 6,     /* # of CIM OBQs */
57 	CIMLA_SIZE     = 2048,  /* # of 32-bit words in CIM LA */
58 	CIM_PIFLA_SIZE = 64,    /* # of 192-bit words in CIM PIF LA */
59 	CIM_MALA_SIZE  = 64,    /* # of 160-bit words in CIM MA LA */
60 	CIM_IBQ_SIZE   = 128,   /* # of 128-bit words in a CIM IBQ */
61 	TPLA_SIZE      = 128,   /* # of 64-bit words in TP LA */
62 	ULPRX_LA_SIZE  = 512,   /* # of 256-bit words in ULP_RX LA */
63 };
64 
65 enum {
66 	SF_PAGE_SIZE = 256,           /* serial flash page size */
67 	SF_SEC_SIZE = 64 * 1024,      /* serial flash sector size */
68 };
69 
70 /* SGE context types */
71 enum ctxt_type { CTXT_EGRESS, CTXT_INGRESS, CTXT_FLM, CTXT_CNM };
72 
73 enum { RSP_TYPE_FLBUF, RSP_TYPE_CPL, RSP_TYPE_INTR }; /* response entry types */
74 
75 enum { MBOX_OWNER_NONE, MBOX_OWNER_FW, MBOX_OWNER_DRV };    /* mailbox owners */
76 
77 enum {
78 	SGE_MAX_WR_LEN = 512,     /* max WR size in bytes */
79 	SGE_CTXT_SIZE = 24,       /* size of SGE context */
80 	SGE_NTIMERS = 6,          /* # of interrupt holdoff timer values */
81 	SGE_NCOUNTERS = 4,        /* # of interrupt packet counter values */
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 
165 #define S_PPOD_PGSZ    30
166 #define M_PPOD_PGSZ    0x3
167 #define V_PPOD_PGSZ(x) ((x) << S_PPOD_PGSZ)
168 
169 #define S_PPOD_TID    32
170 #define M_PPOD_TID    0xFFFFFF
171 #define V_PPOD_TID(x) ((__u64)(x) << S_PPOD_TID)
172 
173 #define S_PPOD_VALID    56
174 #define V_PPOD_VALID(x) ((__u64)(x) << S_PPOD_VALID)
175 #define F_PPOD_VALID    V_PPOD_VALID(1ULL)
176 
177 #define S_PPOD_LEN    32
178 #define M_PPOD_LEN    0xFFFFFFFF
179 #define V_PPOD_LEN(x) ((__u64)(x) << S_PPOD_LEN)
180 
181 #define S_PPOD_OFST    0
182 #define M_PPOD_OFST    0xFFFFFFFF
183 #define V_PPOD_OFST(x) ((x) << S_PPOD_OFST)
184 
185 /*
186  * Flash layout.
187  */
188 #define FLASH_START(start)	((start) * SF_SEC_SIZE)
189 #define FLASH_MAX_SIZE(nsecs)	((nsecs) * SF_SEC_SIZE)
190 
191 enum {
192 	/*
193 	 * Various Expansion-ROM boot images, etc.
194 	 */
195 	FLASH_EXP_ROM_START_SEC = 0,
196 	FLASH_EXP_ROM_NSECS = 6,
197 	FLASH_EXP_ROM_START = FLASH_START(FLASH_EXP_ROM_START_SEC),
198 	FLASH_EXP_ROM_MAX_SIZE = FLASH_MAX_SIZE(FLASH_EXP_ROM_NSECS),
199 
200 	/*
201 	 * iSCSI Boot Firmware Table (iBFT) and other driver-related
202 	 * parameters ...
203 	 */
204 	FLASH_IBFT_START_SEC = 6,
205 	FLASH_IBFT_NSECS = 1,
206 	FLASH_IBFT_START = FLASH_START(FLASH_IBFT_START_SEC),
207 	FLASH_IBFT_MAX_SIZE = FLASH_MAX_SIZE(FLASH_IBFT_NSECS),
208 
209 	/*
210 	 * Boot configuration data.
211 	 */
212 	FLASH_BOOTCFG_START_SEC = 7,
213 	FLASH_BOOTCFG_NSECS = 1,
214 	FLASH_BOOTCFG_START = FLASH_START(FLASH_BOOTCFG_START_SEC),
215 	FLASH_BOOTCFG_MAX_SIZE = FLASH_MAX_SIZE(FLASH_BOOTCFG_NSECS),
216 
217 	/*
218 	 * Location of firmware image in FLASH.
219 	 */
220 	FLASH_FW_START_SEC = 8,
221 	FLASH_FW_NSECS = 8,
222 	FLASH_FW_START = FLASH_START(FLASH_FW_START_SEC),
223 	FLASH_FW_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FW_NSECS),
224 
225 	/*
226 	 * iSCSI persistent/crash information.
227 	 */
228 	FLASH_ISCSI_CRASH_START_SEC = 29,
229 	FLASH_ISCSI_CRASH_NSECS = 1,
230 	FLASH_ISCSI_CRASH_START = FLASH_START(FLASH_ISCSI_CRASH_START_SEC),
231 	FLASH_ISCSI_CRASH_MAX_SIZE = FLASH_MAX_SIZE(FLASH_ISCSI_CRASH_NSECS),
232 
233 	/*
234 	 * FCoE persistent/crash information.
235 	 */
236 	FLASH_FCOE_CRASH_START_SEC = 30,
237 	FLASH_FCOE_CRASH_NSECS = 1,
238 	FLASH_FCOE_CRASH_START = FLASH_START(FLASH_FCOE_CRASH_START_SEC),
239 	FLASH_FCOE_CRASH_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FCOE_CRASH_NSECS),
240 
241 	/*
242 	 * Location of Firmware Configuration File in FLASH.  Since the FPGA
243 	 * "FLASH" is smaller we need to store the Configuration File in a
244 	 * different location -- which will overlap the end of the firmware
245 	 * image if firmware ever gets that large ...
246 	 */
247 	FLASH_CFG_START_SEC = 31,
248 	FLASH_CFG_NSECS = 1,
249 	FLASH_CFG_START = FLASH_START(FLASH_CFG_START_SEC),
250 	FLASH_CFG_MAX_SIZE = FLASH_MAX_SIZE(FLASH_CFG_NSECS),
251 
252 	FLASH_FPGA_CFG_START_SEC = 15,
253 	FLASH_FPGA_CFG_START = FLASH_START(FLASH_FPGA_CFG_START_SEC),
254 
255 	/*
256 	 * Sectors 32-63 are reserved for FLASH failover.
257 	 */
258 };
259 
260 #undef FLASH_START
261 #undef FLASH_MAX_SIZE
262 
263 #endif /* __T4_HW_H */
264