/*
* This file is part of the Chelsio T4 Ethernet driver for Linux.
*
* Copyright (c) 2003-2010 Chelsio Communications, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef __T4_HW_H
#define __T4_HW_H
#include <linux/types.h>
enum {
NCHAN = 4, /* # of HW channels */
MAX_MTU = 9600, /* max MAC MTU, excluding header + FCS */
EEPROMSIZE = 17408, /* Serial EEPROM physical size */
EEPROMVSIZE = 32768, /* Serial EEPROM virtual address space size */
EEPROMPFSIZE = 1024, /* EEPROM writable area size for PFn, n>0 */
RSS_NENTRIES = 2048, /* # of entries in RSS mapping table */
TCB_SIZE = 128, /* TCB size */
NMTUS = 16, /* size of MTU table */
NCCTRL_WIN = 32, /* # of congestion control windows */
L2T_SIZE = 4096, /* # of L2T entries */
MBOX_LEN = 64, /* mailbox size in bytes */
TRACE_LEN = 112, /* length of trace data and mask */
FILTER_OPT_LEN = 36, /* filter tuple width for optional components */
NWOL_PAT = 8, /* # of WoL patterns */
WOL_PAT_LEN = 128, /* length of WoL patterns */
};
enum {
SF_PAGE_SIZE = 256, /* serial flash page size */
SF_SEC_SIZE = 64 * 1024, /* serial flash sector size */
};
enum { RSP_TYPE_FLBUF, RSP_TYPE_CPL, RSP_TYPE_INTR }; /* response entry types */
enum { MBOX_OWNER_NONE, MBOX_OWNER_FW, MBOX_OWNER_DRV }; /* mailbox owners */
enum {
SGE_MAX_WR_LEN = 512, /* max WR size in bytes */
SGE_NTIMERS = 6, /* # of interrupt holdoff timer values */
SGE_NCOUNTERS = 4, /* # of interrupt packet counter values */
SGE_TIMER_RSTRT_CNTR = 6, /* restart RX packet threshold counter */
SGE_TIMER_UPD_CIDX = 7, /* update cidx only */
SGE_EQ_IDXSIZE = 64, /* egress queue pidx/cidx unit size */
SGE_INTRDST_PCI = 0, /* interrupt destination is PCI-E */
SGE_INTRDST_IQ = 1, /* destination is an ingress queue */
SGE_UPDATEDEL_NONE = 0, /* ingress queue pidx update delivery */
SGE_UPDATEDEL_INTR = 1, /* interrupt */
SGE_UPDATEDEL_STPG = 2, /* status page */
SGE_UPDATEDEL_BOTH = 3, /* interrupt and status page */
SGE_HOSTFCMODE_NONE = 0, /* egress queue cidx updates */
SGE_HOSTFCMODE_IQ = 1, /* sent to ingress queue */
SGE_HOSTFCMODE_STPG = 2, /* sent to status page */
SGE_HOSTFCMODE_BOTH = 3, /* ingress queue and status page */
SGE_FETCHBURSTMIN_16B = 0,/* egress queue descriptor fetch minimum */
SGE_FETCHBURSTMIN_32B = 1,
SGE_FETCHBURSTMIN_64B = 2,
SGE_FETCHBURSTMIN_128B = 3,
SGE_FETCHBURSTMAX_64B = 0,/* egress queue descriptor fetch maximum */
SGE_FETCHBURSTMAX_128B = 1,
SGE_FETCHBURSTMAX_256B = 2,
SGE_FETCHBURSTMAX_512B = 3,
SGE_CIDXFLUSHTHRESH_1 = 0,/* egress queue cidx flush threshold */
SGE_CIDXFLUSHTHRESH_2 = 1,
SGE_CIDXFLUSHTHRESH_4 = 2,
SGE_CIDXFLUSHTHRESH_8 = 3,
SGE_CIDXFLUSHTHRESH_16 = 4,
SGE_CIDXFLUSHTHRESH_32 = 5,
SGE_CIDXFLUSHTHRESH_64 = 6,
SGE_CIDXFLUSHTHRESH_128 = 7,
SGE_INGPADBOUNDARY_SHIFT = 5,/* ingress queue pad boundary */
};
struct sge_qstat { /* data written to SGE queue status entries */
__be32 qid;
__be16 cidx;
__be16 pidx;
};
/*
* Structure for last 128 bits of response descriptors
*/
struct rsp_ctrl {
__be32 hdrbuflen_pidx;
__be32 pldbuflen_qid;
union {
u8 type_gen;
__be64 last_flit;
};
};
#define RSPD_NEWBUF 0x80000000U
#define RSPD_LEN(x) (((x) >> 0) & 0x7fffffffU)
#define RSPD_QID(x) RSPD_LEN(x)
#define RSPD_GEN(x) ((x) >> 7)
#define RSPD_TYPE(x) (((x) >> 4) & 3)
#define QINTR_CNT_EN 0x1
#define QINTR_TIMER_IDX(x) ((x) << 1)
#define QINTR_TIMER_IDX_GET(x) (((x) >> 1) & 0x7)
/*
* Flash layout.
*/
#define FLASH_START(start) ((start) * SF_SEC_SIZE)
#define FLASH_MAX_SIZE(nsecs) ((nsecs) * SF_SEC_SIZE)
enum {
/*
* Various Expansion-ROM boot images, etc.
*/
FLASH_EXP_ROM_START_SEC = 0,
FLASH_EXP_ROM_NSECS = 6,
FLASH_EXP_ROM_START = FLASH_START(FLASH_EXP_ROM_START_SEC),
FLASH_EXP_ROM_MAX_SIZE = FLASH_MAX_SIZE(FLASH_EXP_ROM_NSECS),
/*
* iSCSI Boot Firmware Table (iBFT) and other driver-related
* parameters ...
*/
FLASH_IBFT_START_SEC = 6,
FLASH_IBFT_NSECS = 1,
FLASH_IBFT_START = FLASH_START(FLASH_IBFT_START_SEC),
FLASH_IBFT_MAX_SIZE = FLASH_MAX_SIZE(FLASH_IBFT_NSECS),
/*
* Boot configuration data.
*/
FLASH_BOOTCFG_START_SEC = 7,
FLASH_BOOTCFG_NSECS = 1,
FLASH_BOOTCFG_START = FLASH_START(FLASH_BOOTCFG_START_SEC),
FLASH_BOOTCFG_MAX_SIZE = FLASH_MAX_SIZE(FLASH_BOOTCFG_NSECS),
/*
* Location of firmware image in FLASH.
*/
FLASH_FW_START_SEC = 8,
FLASH_FW_NSECS = 8,
FLASH_FW_START = FLASH_START(FLASH_FW_START_SEC),
FLASH_FW_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FW_NSECS),
/*
* iSCSI persistent/crash information.
*/
FLASH_ISCSI_CRASH_START_SEC = 29,
FLASH_ISCSI_CRASH_NSECS = 1,
FLASH_ISCSI_CRASH_START = FLASH_START(FLASH_ISCSI_CRASH_START_SEC),
FLASH_ISCSI_CRASH_MAX_SIZE = FLASH_MAX_SIZE(FLASH_ISCSI_CRASH_NSECS),
/*
* FCoE persistent/crash information.
*/
FLASH_FCOE_CRASH_START_SEC = 30,
FLASH_FCOE_CRASH_NSECS = 1,
FLASH_FCOE_CRASH_START = FLASH_START(FLASH_FCOE_CRASH_START_SEC),
FLASH_FCOE_CRASH_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FCOE_CRASH_NSECS),
/*
* Location of Firmware Configuration File in FLASH. Since the FPGA
* "FLASH" is smaller we need to store the Configuration File in a
* different location -- which will overlap the end of the firmware
* image if firmware ever gets that large ...
*/
FLASH_CFG_START_SEC = 31,
FLASH_CFG_NSECS = 1,
FLASH_CFG_START = FLASH_START(FLASH_CFG_START_SEC),
FLASH_CFG_MAX_SIZE = FLASH_MAX_SIZE(FLASH_CFG_NSECS),
FLASH_FPGA_CFG_START_SEC = 15,
FLASH_FPGA_CFG_START = FLASH_START(FLASH_FPGA_CFG_START_SEC),
/*
* Sectors 32-63 are reserved for FLASH failover.
*/
};
#undef FLASH_START
#undef FLASH_MAX_SIZE
#endif /* __T4_HW_H */