2 * This file is part of the Chelsio T4 Ethernet driver for Linux.
4 * Copyright (c) 2003-2014 Chelsio Communications, Inc. All rights reserved.
6 * This software is available to you under a choice of one of two
7 * licenses. You may choose to be licensed under the terms of the GNU
8 * General Public License (GPL) Version 2, available from the file
9 * COPYING in the main directory of this source tree, or the
10 * OpenIB.org BSD license below:
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
16 * - Redistributions of source code must retain the above
17 * copyright notice, this list of conditions and the following
20 * - Redistributions in binary form must reproduce the above
21 * copyright notice, this list of conditions and the following
22 * disclaimer in the documentation and/or other materials
23 * provided with the distribution.
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
38 #include <linux/types.h>
41 NCHAN
= 4, /* # of HW channels */
42 MAX_MTU
= 9600, /* max MAC MTU, excluding header + FCS */
43 EEPROMSIZE
= 17408, /* Serial EEPROM physical size */
44 EEPROMVSIZE
= 32768, /* Serial EEPROM virtual address space size */
45 EEPROMPFSIZE
= 1024, /* EEPROM writable area size for PFn, n>0 */
46 RSS_NENTRIES
= 2048, /* # of entries in RSS mapping table */
47 TCB_SIZE
= 128, /* TCB size */
48 NMTUS
= 16, /* size of MTU table */
49 NCCTRL_WIN
= 32, /* # of congestion control windows */
50 L2T_SIZE
= 4096, /* # of L2T entries */
51 MBOX_LEN
= 64, /* mailbox size in bytes */
52 TRACE_LEN
= 112, /* length of trace data and mask */
53 FILTER_OPT_LEN
= 36, /* filter tuple width for optional components */
54 NWOL_PAT
= 8, /* # of WoL patterns */
55 WOL_PAT_LEN
= 128, /* length of WoL patterns */
59 CIM_NUM_IBQ
= 6, /* # of CIM IBQs */
60 CIM_NUM_OBQ
= 6, /* # of CIM OBQs */
61 CIM_NUM_OBQ_T5
= 8, /* # of CIM OBQs for T5 adapter */
62 CIMLA_SIZE
= 2048, /* # of 32-bit words in CIM LA */
63 CIM_IBQ_SIZE
= 128, /* # of 128-bit words in a CIM IBQ */
67 SF_PAGE_SIZE
= 256, /* serial flash page size */
68 SF_SEC_SIZE
= 64 * 1024, /* serial flash sector size */
71 enum { RSP_TYPE_FLBUF
, RSP_TYPE_CPL
, RSP_TYPE_INTR
}; /* response entry types */
73 enum { MBOX_OWNER_NONE
, MBOX_OWNER_FW
, MBOX_OWNER_DRV
}; /* mailbox owners */
76 SGE_MAX_WR_LEN
= 512, /* max WR size in bytes */
77 SGE_NTIMERS
= 6, /* # of interrupt holdoff timer values */
78 SGE_NCOUNTERS
= 4, /* # of interrupt packet counter values */
79 SGE_MAX_IQ_SIZE
= 65520,
81 SGE_TIMER_RSTRT_CNTR
= 6, /* restart RX packet threshold counter */
82 SGE_TIMER_UPD_CIDX
= 7, /* update cidx only */
84 SGE_EQ_IDXSIZE
= 64, /* egress queue pidx/cidx unit size */
86 SGE_INTRDST_PCI
= 0, /* interrupt destination is PCI-E */
87 SGE_INTRDST_IQ
= 1, /* destination is an ingress queue */
89 SGE_UPDATEDEL_NONE
= 0, /* ingress queue pidx update delivery */
90 SGE_UPDATEDEL_INTR
= 1, /* interrupt */
91 SGE_UPDATEDEL_STPG
= 2, /* status page */
92 SGE_UPDATEDEL_BOTH
= 3, /* interrupt and status page */
94 SGE_HOSTFCMODE_NONE
= 0, /* egress queue cidx updates */
95 SGE_HOSTFCMODE_IQ
= 1, /* sent to ingress queue */
96 SGE_HOSTFCMODE_STPG
= 2, /* sent to status page */
97 SGE_HOSTFCMODE_BOTH
= 3, /* ingress queue and status page */
99 SGE_FETCHBURSTMIN_16B
= 0,/* egress queue descriptor fetch minimum */
100 SGE_FETCHBURSTMIN_32B
= 1,
101 SGE_FETCHBURSTMIN_64B
= 2,
102 SGE_FETCHBURSTMIN_128B
= 3,
104 SGE_FETCHBURSTMAX_64B
= 0,/* egress queue descriptor fetch maximum */
105 SGE_FETCHBURSTMAX_128B
= 1,
106 SGE_FETCHBURSTMAX_256B
= 2,
107 SGE_FETCHBURSTMAX_512B
= 3,
109 SGE_CIDXFLUSHTHRESH_1
= 0,/* egress queue cidx flush threshold */
110 SGE_CIDXFLUSHTHRESH_2
= 1,
111 SGE_CIDXFLUSHTHRESH_4
= 2,
112 SGE_CIDXFLUSHTHRESH_8
= 3,
113 SGE_CIDXFLUSHTHRESH_16
= 4,
114 SGE_CIDXFLUSHTHRESH_32
= 5,
115 SGE_CIDXFLUSHTHRESH_64
= 6,
116 SGE_CIDXFLUSHTHRESH_128
= 7,
118 SGE_INGPADBOUNDARY_SHIFT
= 5,/* ingress queue pad boundary */
121 /* PCI-e memory window access */
133 struct sge_qstat
{ /* data written to SGE queue status entries */
140 * Structure for last 128 bits of response descriptors
143 __be32 hdrbuflen_pidx
;
144 __be32 pldbuflen_qid
;
151 #define RSPD_NEWBUF 0x80000000U
152 #define RSPD_LEN(x) (((x) >> 0) & 0x7fffffffU)
153 #define RSPD_QID(x) RSPD_LEN(x)
155 #define RSPD_GEN(x) ((x) >> 7)
156 #define RSPD_TYPE(x) (((x) >> 4) & 3)
158 #define V_QINTR_CNT_EN 0x0
159 #define QINTR_CNT_EN 0x1
160 #define QINTR_TIMER_IDX(x) ((x) << 1)
161 #define QINTR_TIMER_IDX_GET(x) (((x) >> 1) & 0x7)
166 #define FLASH_START(start) ((start) * SF_SEC_SIZE)
167 #define FLASH_MAX_SIZE(nsecs) ((nsecs) * SF_SEC_SIZE)
171 * Various Expansion-ROM boot images, etc.
173 FLASH_EXP_ROM_START_SEC
= 0,
174 FLASH_EXP_ROM_NSECS
= 6,
175 FLASH_EXP_ROM_START
= FLASH_START(FLASH_EXP_ROM_START_SEC
),
176 FLASH_EXP_ROM_MAX_SIZE
= FLASH_MAX_SIZE(FLASH_EXP_ROM_NSECS
),
179 * iSCSI Boot Firmware Table (iBFT) and other driver-related
182 FLASH_IBFT_START_SEC
= 6,
183 FLASH_IBFT_NSECS
= 1,
184 FLASH_IBFT_START
= FLASH_START(FLASH_IBFT_START_SEC
),
185 FLASH_IBFT_MAX_SIZE
= FLASH_MAX_SIZE(FLASH_IBFT_NSECS
),
188 * Boot configuration data.
190 FLASH_BOOTCFG_START_SEC
= 7,
191 FLASH_BOOTCFG_NSECS
= 1,
192 FLASH_BOOTCFG_START
= FLASH_START(FLASH_BOOTCFG_START_SEC
),
193 FLASH_BOOTCFG_MAX_SIZE
= FLASH_MAX_SIZE(FLASH_BOOTCFG_NSECS
),
196 * Location of firmware image in FLASH.
198 FLASH_FW_START_SEC
= 8,
200 FLASH_FW_START
= FLASH_START(FLASH_FW_START_SEC
),
201 FLASH_FW_MAX_SIZE
= FLASH_MAX_SIZE(FLASH_FW_NSECS
),
204 * iSCSI persistent/crash information.
206 FLASH_ISCSI_CRASH_START_SEC
= 29,
207 FLASH_ISCSI_CRASH_NSECS
= 1,
208 FLASH_ISCSI_CRASH_START
= FLASH_START(FLASH_ISCSI_CRASH_START_SEC
),
209 FLASH_ISCSI_CRASH_MAX_SIZE
= FLASH_MAX_SIZE(FLASH_ISCSI_CRASH_NSECS
),
212 * FCoE persistent/crash information.
214 FLASH_FCOE_CRASH_START_SEC
= 30,
215 FLASH_FCOE_CRASH_NSECS
= 1,
216 FLASH_FCOE_CRASH_START
= FLASH_START(FLASH_FCOE_CRASH_START_SEC
),
217 FLASH_FCOE_CRASH_MAX_SIZE
= FLASH_MAX_SIZE(FLASH_FCOE_CRASH_NSECS
),
220 * Location of Firmware Configuration File in FLASH. Since the FPGA
221 * "FLASH" is smaller we need to store the Configuration File in a
222 * different location -- which will overlap the end of the firmware
223 * image if firmware ever gets that large ...
225 FLASH_CFG_START_SEC
= 31,
227 FLASH_CFG_START
= FLASH_START(FLASH_CFG_START_SEC
),
228 FLASH_CFG_MAX_SIZE
= FLASH_MAX_SIZE(FLASH_CFG_NSECS
),
230 /* We don't support FLASH devices which can't support the full
231 * standard set of sections which we need for normal
234 FLASH_MIN_SIZE
= FLASH_CFG_START
+ FLASH_CFG_MAX_SIZE
,
236 FLASH_FPGA_CFG_START_SEC
= 15,
237 FLASH_FPGA_CFG_START
= FLASH_START(FLASH_FPGA_CFG_START_SEC
),
240 * Sectors 32-63 are reserved for FLASH failover.
245 #undef FLASH_MAX_SIZE
247 #endif /* __T4_HW_H */