/* * This file is part of the Chelsio T4 Ethernet driver for Linux. * * Copyright (c) 2003-2014 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 */ T6_RSS_NENTRIES = 4096, /* # of entries in RSS mapping table */ TCB_SIZE = 128, /* TCB size */ NMTUS = 16, /* size of MTU table */ NCCTRL_WIN = 32, /* # of congestion control windows */ NTX_SCHED = 8, /* # of HW Tx scheduling queues */ PM_NSTATS = 5, /* # of PM stats */ T6_PM_NSTATS = 7, /* # of PM stats in T6 */ 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 */ }; enum { CIM_NUM_IBQ = 6, /* # of CIM IBQs */ CIM_NUM_OBQ = 6, /* # of CIM OBQs */ CIM_NUM_OBQ_T5 = 8, /* # of CIM OBQs for T5 adapter */ CIMLA_SIZE = 2048, /* # of 32-bit words in CIM LA */ CIM_PIFLA_SIZE = 64, /* # of 192-bit words in CIM PIF LA */ CIM_MALA_SIZE = 64, /* # of 160-bit words in CIM MA LA */ CIM_IBQ_SIZE = 128, /* # of 128-bit words in a CIM IBQ */ CIM_OBQ_SIZE = 128, /* # of 128-bit words in a CIM OBQ */ TPLA_SIZE = 128, /* # of 64-bit words in TP LA */ ULPRX_LA_SIZE = 512, /* # of 256-bit words in ULP_RX LA */ }; /* SGE context types */ enum ctxt_type { CTXT_EGRESS, CTXT_INGRESS, CTXT_FLM, CTXT_CNM, }; 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_CTXT_SIZE = 24, /* size of SGE context */ SGE_NTIMERS = 6, /* # of interrupt holdoff timer values */ SGE_NCOUNTERS = 4, /* # of interrupt packet counter values */ SGE_NDBQTIMERS = 8, /* # of Doorbell Queue Timer values */ SGE_MAX_IQ_SIZE = 65520, 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 */ }; /* PCI-e memory window access */ enum pcie_memwin { MEMWIN_NIC = 0, MEMWIN_RSVD1 = 1, MEMWIN_RSVD2 = 2, MEMWIN_RDMA = 3, MEMWIN_RSVD4 = 4, MEMWIN_FOISCSI = 5, MEMWIN_CSIOSTOR = 6, MEMWIN_RSVD7 = 7, }; 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_S 31 #define RSPD_NEWBUF_V(x) ((x) << RSPD_NEWBUF_S) #define RSPD_NEWBUF_F RSPD_NEWBUF_V(1U) #define RSPD_LEN_S 0 #define RSPD_LEN_M 0x7fffffff #define RSPD_LEN_G(x) (((x) >> RSPD_LEN_S) & RSPD_LEN_M) #define RSPD_QID_S RSPD_LEN_S #define RSPD_QID_M RSPD_LEN_M #define RSPD_QID_G(x) RSPD_LEN_G(x) #define RSPD_GEN_S 7 #define RSPD_TYPE_S 4 #define RSPD_TYPE_M 0x3 #define RSPD_TYPE_G(x) (((x) >> RSPD_TYPE_S) & RSPD_TYPE_M) /* Rx queue interrupt deferral fields: counter enable and timer index */ #define QINTR_CNT_EN_S 0 #define QINTR_CNT_EN_V(x) ((x) << QINTR_CNT_EN_S) #define QINTR_CNT_EN_F QINTR_CNT_EN_V(1U) #define QINTR_TIMER_IDX_S 1 #define QINTR_TIMER_IDX_M 0x7 #define QINTR_TIMER_IDX_V(x) ((x) << QINTR_TIMER_IDX_S) #define QINTR_TIMER_IDX_G(x) (((x) >> QINTR_TIMER_IDX_S) & QINTR_TIMER_IDX_M) /* * 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 = 16, FLASH_FW_START = FLASH_START(FLASH_FW_START_SEC), FLASH_FW_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FW_NSECS), /* Location of bootstrap firmware image in FLASH. */ FLASH_FWBOOTSTRAP_START_SEC = 27, FLASH_FWBOOTSTRAP_NSECS = 1, FLASH_FWBOOTSTRAP_START = FLASH_START(FLASH_FWBOOTSTRAP_START_SEC), FLASH_FWBOOTSTRAP_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FWBOOTSTRAP_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), /* We don't support FLASH devices which can't support the full * standard set of sections which we need for normal * operations. */ FLASH_MIN_SIZE = FLASH_CFG_START + FLASH_CFG_MAX_SIZE, 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 #define SGE_TIMESTAMP_S 0 #define SGE_TIMESTAMP_M 0xfffffffffffffffULL #define SGE_TIMESTAMP_V(x) ((__u64)(x) << SGE_TIMESTAMP_S) #define SGE_TIMESTAMP_G(x) (((__u64)(x) >> SGE_TIMESTAMP_S) & SGE_TIMESTAMP_M) #define I2C_DEV_ADDR_A0 0xa0 #define I2C_DEV_ADDR_A2 0xa2 #define I2C_PAGE_SIZE 0x100 #define SFP_DIAG_TYPE_ADDR 0x5c #define SFP_DIAG_TYPE_LEN 0x1 #define SFP_DIAG_ADDRMODE BIT(2) #define SFP_DIAG_IMPLEMENTED BIT(6) #define SFF_8472_COMP_ADDR 0x5e #define SFF_8472_COMP_LEN 0x1 #define SFF_REV_ADDR 0x1 #define SFF_REV_LEN 0x1 #endif /* __T4_HW_H */