| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Linus Torvalds (pre-git) | 2651 | 95.88% | 4 | 33.33% |
| Ralf Baechle | 109 | 3.94% | 3 | 25.00% |
| André Goddard Rosa | 1 | 0.04% | 1 | 8.33% |
| Adam Buchbinder | 1 | 0.04% | 1 | 8.33% |
| Linus Torvalds | 1 | 0.04% | 1 | 8.33% |
| Joe Perches | 1 | 0.04% | 1 | 8.33% |
| Lucas De Marchi | 1 | 0.04% | 1 | 8.33% |
| Total | 2765 | 12 |
/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Derived from IRIX <sys/SN/SN0/hubio.h>, Revision 1.80. * * Copyright (C) 1992 - 1997, 1999 Silicon Graphics, Inc. * Copyright (C) 1999 by Ralf Baechle */ #ifndef _ASM_SGI_SN_SN0_HUBIO_H #define _ASM_SGI_SN_SN0_HUBIO_H /* * Hub I/O interface registers * * All registers in this file are subject to change until Hub chip tapeout. * In general, the longer software name should be used when available. */ /* * Slightly friendlier names for some common registers. * The hardware definitions follow. */ #define IIO_WIDGET IIO_WID /* Widget identification */ #define IIO_WIDGET_STAT IIO_WSTAT /* Widget status register */ #define IIO_WIDGET_CTRL IIO_WCR /* Widget control register */ #define IIO_WIDGET_TOUT IIO_WRTO /* Widget request timeout */ #define IIO_WIDGET_FLUSH IIO_WTFR /* Widget target flush */ #define IIO_PROTECT IIO_ILAPR /* IO interface protection */ #define IIO_PROTECT_OVRRD IIO_ILAPO /* IO protect override */ #define IIO_OUTWIDGET_ACCESS IIO_IOWA /* Outbound widget access */ #define IIO_INWIDGET_ACCESS IIO_IIWA /* Inbound widget access */ #define IIO_INDEV_ERR_MASK IIO_IIDEM /* Inbound device error mask */ #define IIO_LLP_CSR IIO_ILCSR /* LLP control and status */ #define IIO_LLP_LOG IIO_ILLR /* LLP log */ #define IIO_XTALKCC_TOUT IIO_IXCC /* Xtalk credit count timeout*/ #define IIO_XTALKTT_TOUT IIO_IXTT /* Xtalk tail timeout */ #define IIO_IO_ERR_CLR IIO_IECLR /* IO error clear */ #define IIO_BTE_CRB_CNT IIO_IBCN /* IO BTE CRB count */ #define IIO_LLP_CSR_IS_UP 0x00002000 #define IIO_LLP_CSR_LLP_STAT_MASK 0x00003000 #define IIO_LLP_CSR_LLP_STAT_SHFT 12 /* key to IIO_PROTECT_OVRRD */ #define IIO_PROTECT_OVRRD_KEY 0x53474972756c6573ull /* "SGIrules" */ /* BTE register names */ #define IIO_BTE_STAT_0 IIO_IBLS_0 /* Also BTE length/status 0 */ #define IIO_BTE_SRC_0 IIO_IBSA_0 /* Also BTE source address 0 */ #define IIO_BTE_DEST_0 IIO_IBDA_0 /* Also BTE dest. address 0 */ #define IIO_BTE_CTRL_0 IIO_IBCT_0 /* Also BTE control/terminate 0 */ #define IIO_BTE_NOTIFY_0 IIO_IBNA_0 /* Also BTE notification 0 */ #define IIO_BTE_INT_0 IIO_IBIA_0 /* Also BTE interrupt 0 */ #define IIO_BTE_OFF_0 0 /* Base offset from BTE 0 regs. */ #define IIO_BTE_OFF_1 IIO_IBLS_1 - IIO_IBLS_0 /* Offset from base to BTE 1 */ /* BTE register offsets from base */ #define BTEOFF_STAT 0 #define BTEOFF_SRC (IIO_BTE_SRC_0 - IIO_BTE_STAT_0) #define BTEOFF_DEST (IIO_BTE_DEST_0 - IIO_BTE_STAT_0) #define BTEOFF_CTRL (IIO_BTE_CTRL_0 - IIO_BTE_STAT_0) #define BTEOFF_NOTIFY (IIO_BTE_NOTIFY_0 - IIO_BTE_STAT_0) #define BTEOFF_INT (IIO_BTE_INT_0 - IIO_BTE_STAT_0) /* * The following definitions use the names defined in the IO interface * document for ease of reference. When possible, software should * generally use the longer but clearer names defined above. */ #define IIO_BASE 0x400000 #define IIO_BASE_BTE0 0x410000 #define IIO_BASE_BTE1 0x420000 #define IIO_BASE_PERF 0x430000 #define IIO_PERF_CNT 0x430008 #define IO_PERF_SETS 32 #define IIO_WID 0x400000 /* Widget identification */ #define IIO_WSTAT 0x400008 /* Widget status */ #define IIO_WCR 0x400020 /* Widget control */ #define IIO_WSTAT_ECRAZY (1ULL << 32) /* Hub gone crazy */ #define IIO_WSTAT_TXRETRY (1ULL << 9) /* Hub Tx Retry timeout */ #define IIO_WSTAT_TXRETRY_MASK (0x7F) #define IIO_WSTAT_TXRETRY_SHFT (16) #define IIO_WSTAT_TXRETRY_CNT(w) (((w) >> IIO_WSTAT_TXRETRY_SHFT) & \ IIO_WSTAT_TXRETRY_MASK) #define IIO_ILAPR 0x400100 /* Local Access Protection */ #define IIO_ILAPO 0x400108 /* Protection override */ #define IIO_IOWA 0x400110 /* outbound widget access */ #define IIO_IIWA 0x400118 /* inbound widget access */ #define IIO_IIDEM 0x400120 /* Inbound Device Error Mask */ #define IIO_ILCSR 0x400128 /* LLP control and status */ #define IIO_ILLR 0x400130 /* LLP Log */ #define IIO_IIDSR 0x400138 /* Interrupt destination */ #define IIO_IIBUSERR 0x1400208 /* Reads here cause a bus error. */ /* IO Interrupt Destination Register */ #define IIO_IIDSR_SENT_SHIFT 28 #define IIO_IIDSR_SENT_MASK 0x10000000 #define IIO_IIDSR_ENB_SHIFT 24 #define IIO_IIDSR_ENB_MASK 0x01000000 #define IIO_IIDSR_NODE_SHIFT 8 #define IIO_IIDSR_NODE_MASK 0x0000ff00 #define IIO_IIDSR_LVL_SHIFT 0 #define IIO_IIDSR_LVL_MASK 0x0000003f /* GFX Flow Control Node/Widget Register */ #define IIO_IGFX_0 0x400140 /* gfx node/widget register 0 */ #define IIO_IGFX_1 0x400148 /* gfx node/widget register 1 */ #define IIO_IGFX_W_NUM_BITS 4 /* size of widget num field */ #define IIO_IGFX_W_NUM_MASK ((1<<IIO_IGFX_W_NUM_BITS)-1) #define IIO_IGFX_W_NUM_SHIFT 0 #define IIO_IGFX_N_NUM_BITS 9 /* size of node num field */ #define IIO_IGFX_N_NUM_MASK ((1<<IIO_IGFX_N_NUM_BITS)-1) #define IIO_IGFX_N_NUM_SHIFT 4 #define IIO_IGFX_P_NUM_BITS 1 /* size of processor num field */ #define IIO_IGFX_P_NUM_MASK ((1<<IIO_IGFX_P_NUM_BITS)-1) #define IIO_IGFX_P_NUM_SHIFT 16 #define IIO_IGFX_VLD_BITS 1 /* size of valid field */ #define IIO_IGFX_VLD_MASK ((1<<IIO_IGFX_VLD_BITS)-1) #define IIO_IGFX_VLD_SHIFT 20 #define IIO_IGFX_INIT(widget, node, cpu, valid) (\ (((widget) & IIO_IGFX_W_NUM_MASK) << IIO_IGFX_W_NUM_SHIFT) | \ (((node) & IIO_IGFX_N_NUM_MASK) << IIO_IGFX_N_NUM_SHIFT) | \ (((cpu) & IIO_IGFX_P_NUM_MASK) << IIO_IGFX_P_NUM_SHIFT) | \ (((valid) & IIO_IGFX_VLD_MASK) << IIO_IGFX_VLD_SHIFT) ) /* Scratch registers (not all bits available) */ #define IIO_SCRATCH_REG0 0x400150 #define IIO_SCRATCH_REG1 0x400158 #define IIO_SCRATCH_MASK 0x0000000f00f11fff #define IIO_SCRATCH_BIT0_0 0x0000000800000000 #define IIO_SCRATCH_BIT0_1 0x0000000400000000 #define IIO_SCRATCH_BIT0_2 0x0000000200000000 #define IIO_SCRATCH_BIT0_3 0x0000000100000000 #define IIO_SCRATCH_BIT0_4 0x0000000000800000 #define IIO_SCRATCH_BIT0_5 0x0000000000400000 #define IIO_SCRATCH_BIT0_6 0x0000000000200000 #define IIO_SCRATCH_BIT0_7 0x0000000000100000 #define IIO_SCRATCH_BIT0_8 0x0000000000010000 #define IIO_SCRATCH_BIT0_9 0x0000000000001000 #define IIO_SCRATCH_BIT0_R 0x0000000000000fff /* IO Translation Table Entries */ #define IIO_NUM_ITTES 7 /* ITTEs numbered 0..6 */ /* Hw manuals number them 1..7! */ /* * As a permanent workaround for a bug in the PI side of the hub, we've * redefined big window 7 as small window 0. */ #define HUB_NUM_BIG_WINDOW IIO_NUM_ITTES - 1 /* * Use the top big window as a surrogate for the first small window */ #define SWIN0_BIGWIN HUB_NUM_BIG_WINDOW #define ILCSR_WARM_RESET 0x100 /* * The IO LLP control status register and widget control register */ #ifndef __ASSEMBLY__ typedef union hubii_wid_u { u64 wid_reg_value; struct { u64 wid_rsvd: 32, /* unused */ wid_rev_num: 4, /* revision number */ wid_part_num: 16, /* the widget type: hub=c101 */ wid_mfg_num: 11, /* Manufacturer id (IBM) */ wid_rsvd1: 1; /* Reserved */ } wid_fields_s; } hubii_wid_t; typedef union hubii_wcr_u { u64 wcr_reg_value; struct { u64 wcr_rsvd: 41, /* unused */ wcr_e_thresh: 5, /* elasticity threshold */ wcr_dir_con: 1, /* widget direct connect */ wcr_f_bad_pkt: 1, /* Force bad llp pkt enable */ wcr_xbar_crd: 3, /* LLP crossbar credit */ wcr_rsvd1: 8, /* Reserved */ wcr_tag_mode: 1, /* Tag mode */ wcr_widget_id: 4; /* LLP crossbar credit */ } wcr_fields_s; } hubii_wcr_t; #define iwcr_dir_con wcr_fields_s.wcr_dir_con typedef union hubii_wstat_u { u64 reg_value; struct { u64 rsvd1: 31, crazy: 1, /* Crazy bit */ rsvd2: 8, llp_tx_cnt: 8, /* LLP Xmit retry counter */ rsvd3: 6, tx_max_rtry: 1, /* LLP Retry Timeout Signal */ rsvd4: 2, xt_tail_to: 1, /* Xtalk Tail Timeout */ xt_crd_to: 1, /* Xtalk Credit Timeout */ pending: 4; /* Pending Requests */ } wstat_fields_s; } hubii_wstat_t; typedef union hubii_ilcsr_u { u64 icsr_reg_value; struct { u64 icsr_rsvd: 22, /* unused */ icsr_max_burst: 10, /* max burst */ icsr_rsvd4: 6, /* reserved */ icsr_max_retry: 10, /* max retry */ icsr_rsvd3: 2, /* reserved */ icsr_lnk_stat: 2, /* link status */ icsr_bm8: 1, /* Bit mode 8 */ icsr_llp_en: 1, /* LLP enable bit */ icsr_rsvd2: 1, /* reserver */ icsr_wrm_reset: 1, /* Warm reset bit */ icsr_rsvd1: 2, /* Data ready offset */ icsr_null_to: 6; /* Null timeout */ } icsr_fields_s; } hubii_ilcsr_t; typedef union hubii_iowa_u { u64 iowa_reg_value; struct { u64 iowa_rsvd: 48, /* unused */ iowa_wxoac: 8, /* xtalk widget access bits */ iowa_rsvd1: 7, /* xtalk widget access bits */ iowa_w0oac: 1; /* xtalk widget access bits */ } iowa_fields_s; } hubii_iowa_t; typedef union hubii_iiwa_u { u64 iiwa_reg_value; struct { u64 iiwa_rsvd: 48, /* unused */ iiwa_wxiac: 8, /* hub wid access bits */ iiwa_rsvd1: 7, /* reserved */ iiwa_w0iac: 1; /* hub wid0 access */ } iiwa_fields_s; } hubii_iiwa_t; typedef union hubii_illr_u { u64 illr_reg_value; struct { u64 illr_rsvd: 32, /* unused */ illr_cb_cnt: 16, /* checkbit error count */ illr_sn_cnt: 16; /* sequence number count */ } illr_fields_s; } hubii_illr_t; /* The structures below are defined to extract and modify the ii performance registers */ /* io_perf_sel allows the caller to specify what tests will be performed */ typedef union io_perf_sel { u64 perf_sel_reg; struct { u64 perf_rsvd : 48, perf_icct : 8, perf_ippr1 : 4, perf_ippr0 : 4; } perf_sel_bits; } io_perf_sel_t; /* io_perf_cnt is to extract the count from the hub registers. Due to hardware problems there is only one counter, not two. */ typedef union io_perf_cnt { u64 perf_cnt; struct { u64 perf_rsvd1 : 32, perf_rsvd2 : 12, perf_cnt : 20; } perf_cnt_bits; } io_perf_cnt_t; #endif /* !__ASSEMBLY__ */ #define LNK_STAT_WORKING 0x2 #define IIO_LLP_CB_MAX 0xffff #define IIO_LLP_SN_MAX 0xffff /* IO PRB Entries */ #define IIO_NUM_IPRBS (9) #define IIO_IOPRB_0 0x400198 /* PRB entry 0 */ #define IIO_IOPRB_8 0x4001a0 /* PRB entry 8 */ #define IIO_IOPRB_9 0x4001a8 /* PRB entry 9 */ #define IIO_IOPRB_A 0x4001b0 /* PRB entry a */ #define IIO_IOPRB_B 0x4001b8 /* PRB entry b */ #define IIO_IOPRB_C 0x4001c0 /* PRB entry c */ #define IIO_IOPRB_D 0x4001c8 /* PRB entry d */ #define IIO_IOPRB_E 0x4001d0 /* PRB entry e */ #define IIO_IOPRB_F 0x4001d8 /* PRB entry f */ #define IIO_IXCC 0x4001e0 /* Crosstalk credit count timeout */ #define IIO_IXTCC IIO_IXCC #define IIO_IMEM 0x4001e8 /* Miscellaneous Enable Mask */ #define IIO_IXTT 0x4001f0 /* Crosstalk tail timeout */ #define IIO_IECLR 0x4001f8 /* IO error clear */ #define IIO_IBCN 0x400200 /* IO BTE CRB count */ /* * IIO_IMEM Register fields. */ #define IIO_IMEM_W0ESD 0x1 /* Widget 0 shut down due to error */ #define IIO_IMEM_B0ESD (1 << 4) /* BTE 0 shut down due to error */ #define IIO_IMEM_B1ESD (1 << 8) /* BTE 1 Shut down due to error */ /* PIO Read address Table Entries */ #define IIO_IPCA 0x400300 /* PRB Counter adjust */ #define IIO_NUM_PRTES 8 /* Total number of PRB table entries */ #define IIO_PRTE_0 0x400308 /* PIO Read address table entry 0 */ #define IIO_PRTE(_x) (IIO_PRTE_0 + (8 * (_x))) #define IIO_WIDPRTE(x) IIO_PRTE(((x) - 8)) /* widget ID to its PRTE num */ #define IIO_IPDR 0x400388 /* PIO table entry deallocation */ #define IIO_ICDR 0x400390 /* CRB Entry Deallocation */ #define IIO_IFDR 0x400398 /* IOQ FIFO Depth */ #define IIO_IIAP 0x4003a0 /* IIQ Arbitration Parameters */ #define IIO_IMMR IIO_IIAP #define IIO_ICMR 0x4003a8 /* CRB Management Register */ #define IIO_ICCR 0x4003b0 /* CRB Control Register */ #define IIO_ICTO 0x4003b8 /* CRB Time Out Register */ #define IIO_ICTP 0x4003c0 /* CRB Time Out Prescalar */ /* * ICMR register fields */ #define IIO_ICMR_PC_VLD_SHFT 36 #define IIO_ICMR_PC_VLD_MASK (0x7fffUL << IIO_ICMR_PC_VLD_SHFT) #define IIO_ICMR_CRB_VLD_SHFT 20 #define IIO_ICMR_CRB_VLD_MASK (0x7fffUL << IIO_ICMR_CRB_VLD_SHFT) #define IIO_ICMR_FC_CNT_SHFT 16 #define IIO_ICMR_FC_CNT_MASK (0xf << IIO_ICMR_FC_CNT_SHFT) #define IIO_ICMR_C_CNT_SHFT 4 #define IIO_ICMR_C_CNT_MASK (0xf << IIO_ICMR_C_CNT_SHFT) #define IIO_ICMR_P_CNT_SHFT 0 #define IIO_ICMR_P_CNT_MASK (0xf << IIO_ICMR_P_CNT_SHFT) #define IIO_ICMR_PRECISE (1UL << 52) #define IIO_ICMR_CLR_RPPD (1UL << 13) #define IIO_ICMR_CLR_RQPD (1UL << 12) /* * IIO PIO Deallocation register field masks : (IIO_IPDR) */ #define IIO_IPDR_PND (1 << 4) /* * IIO CRB deallocation register field masks: (IIO_ICDR) */ #define IIO_ICDR_PND (1 << 4) /* * IIO CRB control register Fields: IIO_ICCR */ #define IIO_ICCR_PENDING (0x10000) #define IIO_ICCR_CMD_MASK (0xFF) #define IIO_ICCR_CMD_SHFT (7) #define IIO_ICCR_CMD_NOP (0x0) /* No Op */ #define IIO_ICCR_CMD_WAKE (0x100) /* Reactivate CRB entry and process */ #define IIO_ICCR_CMD_TIMEOUT (0x200) /* Make CRB timeout & mark invalid */ #define IIO_ICCR_CMD_EJECT (0x400) /* Contents of entry written to memory * via a WB */ #define IIO_ICCR_CMD_FLUSH (0x800) /* * CRB manipulation macros * The CRB macros are slightly complicated, since there are up to * four registers associated with each CRB entry. */ #define IIO_NUM_CRBS 15 /* Number of CRBs */ #define IIO_NUM_NORMAL_CRBS 12 /* Number of regular CRB entries */ #define IIO_NUM_PC_CRBS 4 /* Number of partial cache CRBs */ #define IIO_ICRB_OFFSET 8 #define IIO_ICRB_0 0x400400 /* XXX - This is now tuneable: #define IIO_FIRST_PC_ENTRY 12 */ #define IIO_ICRB_A(_x) (IIO_ICRB_0 + (4 * IIO_ICRB_OFFSET * (_x))) #define IIO_ICRB_B(_x) (IIO_ICRB_A(_x) + 1*IIO_ICRB_OFFSET) #define IIO_ICRB_C(_x) (IIO_ICRB_A(_x) + 2*IIO_ICRB_OFFSET) #define IIO_ICRB_D(_x) (IIO_ICRB_A(_x) + 3*IIO_ICRB_OFFSET) /* XXX - IBUE register coming for Hub 2 */ /* * * CRB Register description. * * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * * Many of the fields in CRB are status bits used by hardware * for implementation of the protocol. It's very dangerous to * mess around with the CRB registers. * * It's OK to read the CRB registers and try to make sense out of the * fields in CRB. * * Updating CRB requires all activities in Hub IIO to be quiesced. * otherwise, a write to CRB could corrupt other CRB entries. * CRBs are here only as a back door peek to hub IIO's status. * Quiescing implies no dmas no PIOs * either directly from the cpu or from sn0net. * this is not something that can be done easily. So, AVOID updating * CRBs. */ /* * Fields in CRB Register A */ #ifndef __ASSEMBLY__ typedef union icrba_u { u64 reg_value; struct { u64 resvd: 6, stall_bte0: 1, /* Stall BTE 0 */ stall_bte1: 1, /* Stall BTE 1 */ error: 1, /* CRB has an error */ ecode: 3, /* Error Code */ lnetuce: 1, /* SN0net Uncorrectable error */ mark: 1, /* CRB Has been marked */ xerr: 1, /* Error bit set in xtalk header */ sidn: 4, /* SIDN field from xtalk */ tnum: 5, /* TNUM field in xtalk */ addr: 38, /* Address of request */ valid: 1, /* Valid status */ iow: 1; /* IO Write operation */ } icrba_fields_s; } icrba_t; /* This is an alternate typedef for the HUB1 CRB A in order to allow runtime selection of the format based on the REV_ID field of the NI_STATUS_REV_ID register. */ typedef union h1_icrba_u { u64 reg_value; struct { u64 resvd: 6, unused: 1, /* Unused but RW!! */ error: 1, /* CRB has an error */ ecode: 4, /* Error Code */ lnetuce: 1, /* SN0net Uncorrectable error */ mark: 1, /* CRB Has been marked */ xerr: 1, /* Error bit set in xtalk header */ sidn: 4, /* SIDN field from xtalk */ tnum: 5, /* TNUM field in xtalk */ addr: 38, /* Address of request */ valid: 1, /* Valid status */ iow: 1; /* IO Write operation */ } h1_icrba_fields_s; } h1_icrba_t; /* XXX - Is this still right? Check the spec. */ #define ICRBN_A_CERR_SHFT 54 #define ICRBN_A_ERR_MASK 0x3ff #endif /* !__ASSEMBLY__ */ #define IIO_ICRB_ADDR_SHFT 2 /* Shift to get proper address */ /* * values for "ecode" field */ #define IIO_ICRB_ECODE_DERR 0 /* Directory error due to IIO access */ #define IIO_ICRB_ECODE_PERR 1 /* Poison error on IO access */ #define IIO_ICRB_ECODE_WERR 2 /* Write error by IIO access * e.g. WINV to a Read only line. */ #define IIO_ICRB_ECODE_AERR 3 /* Access error caused by IIO access */ #define IIO_ICRB_ECODE_PWERR 4 /* Error on partial write */ #define IIO_ICRB_ECODE_PRERR 5 /* Error on partial read */ #define IIO_ICRB_ECODE_TOUT 6 /* CRB timeout before deallocating */ #define IIO_ICRB_ECODE_XTERR 7 /* Incoming xtalk pkt had error bit */ /* * Fields in CRB Register B */ #ifndef __ASSEMBLY__ typedef union icrbb_u { u64 reg_value; struct { u64 rsvd1: 5, btenum: 1, /* BTE to which entry belongs to */ cohtrans: 1, /* Coherent transaction */ xtsize: 2, /* Xtalk operation size * 0: Double Word * 1: 32 Bytes. * 2: 128 Bytes, * 3: Reserved. */ srcnode: 9, /* Source Node ID */ srcinit: 2, /* Source Initiator: * See below for field values. */ useold: 1, /* Use OLD command for processing */ imsgtype: 2, /* Incoming message type * see below for field values */ imsg: 8, /* Incoming message */ initator: 3, /* Initiator of original request * See below for field values. */ reqtype: 5, /* Identifies type of request * See below for field values. */ rsvd2: 7, ackcnt: 11, /* Invalidate ack count */ resp: 1, /* data response given to processor */ ack: 1, /* indicates data ack received */ hold: 1, /* entry is gathering inval acks */ wb_pend:1, /* waiting for writeback to complete */ intvn: 1, /* Intervention */ stall_ib: 1, /* Stall Ibuf (from crosstalk) */ stall_intr: 1; /* Stall internal interrupts */ } icrbb_field_s; } icrbb_t; /* This is an alternate typedef for the HUB1 CRB B in order to allow runtime selection of the format based on the REV_ID field of the NI_STATUS_REV_ID register. */ typedef union h1_icrbb_u { u64 reg_value; struct { u64 rsvd1: 5, btenum: 1, /* BTE to which entry belongs to */ cohtrans: 1, /* Coherent transaction */ xtsize: 2, /* Xtalk operation size * 0: Double Word * 1: 32 Bytes. * 2: 128 Bytes, * 3: Reserved. */ srcnode: 9, /* Source Node ID */ srcinit: 2, /* Source Initiator: * See below for field values. */ useold: 1, /* Use OLD command for processing */ imsgtype: 2, /* Incoming message type * see below for field values */ imsg: 8, /* Incoming message */ initator: 3, /* Initiator of original request * See below for field values. */ rsvd2: 1, pcache: 1, /* entry belongs to partial cache */ reqtype: 5, /* Identifies type of request * See below for field values. */ stl_ib: 1, /* stall Ibus coming from xtalk */ stl_intr: 1, /* Stall internal interrupts */ stl_bte0: 1, /* Stall BTE 0 */ stl_bte1: 1, /* Stall BTE 1 */ intrvn: 1, /* Req was target of intervention */ ackcnt: 11, /* Invalidate ack count */ resp: 1, /* data response given to processor */ ack: 1, /* indicates data ack received */ hold: 1, /* entry is gathering inval acks */ wb_pend:1, /* waiting for writeback to complete */ sleep: 1, /* xtalk req sleeping till IO-sync */ pnd_reply: 1, /* replies not issed due to IOQ full */ pnd_req: 1; /* reqs not issued due to IOQ full */ } h1_icrbb_field_s; } h1_icrbb_t; #define b_imsgtype icrbb_field_s.imsgtype #define b_btenum icrbb_field_s.btenum #define b_cohtrans icrbb_field_s.cohtrans #define b_xtsize icrbb_field_s.xtsize #define b_srcnode icrbb_field_s.srcnode #define b_srcinit icrbb_field_s.srcinit #define b_imsgtype icrbb_field_s.imsgtype #define b_imsg icrbb_field_s.imsg #define b_initiator icrbb_field_s.initiator #endif /* !__ASSEMBLY__ */ /* * values for field xtsize */ #define IIO_ICRB_XTSIZE_DW 0 /* Xtalk operation size is 8 bytes */ #define IIO_ICRB_XTSIZE_32 1 /* Xtalk operation size is 32 bytes */ #define IIO_ICRB_XTSIZE_128 2 /* Xtalk operation size is 128 bytes */ /* * values for field srcinit */ #define IIO_ICRB_PROC0 0 /* Source of request is Proc 0 */ #define IIO_ICRB_PROC1 1 /* Source of request is Proc 1 */ #define IIO_ICRB_GB_REQ 2 /* Source is Guaranteed BW request */ #define IIO_ICRB_IO_REQ 3 /* Source is Normal IO request */ /* * Values for field imsgtype */ #define IIO_ICRB_IMSGT_XTALK 0 /* Incoming Message from Xtalk */ #define IIO_ICRB_IMSGT_BTE 1 /* Incoming message from BTE */ #define IIO_ICRB_IMSGT_SN0NET 2 /* Incoming message from SN0 net */ #define IIO_ICRB_IMSGT_CRB 3 /* Incoming message from CRB ??? */ /* * values for field initiator. */ #define IIO_ICRB_INIT_XTALK 0 /* Message originated in xtalk */ #define IIO_ICRB_INIT_BTE0 0x1 /* Message originated in BTE 0 */ #define IIO_ICRB_INIT_SN0NET 0x2 /* Message originated in SN0net */ #define IIO_ICRB_INIT_CRB 0x3 /* Message originated in CRB ? */ #define IIO_ICRB_INIT_BTE1 0x5 /* MEssage originated in BTE 1 */ /* * Values for field reqtype. */ /* XXX - Need to fix this for Hub 2 */ #define IIO_ICRB_REQ_DWRD 0 /* Request type double word */ #define IIO_ICRB_REQ_QCLRD 1 /* Request is Qrtr Caceh line Rd */ #define IIO_ICRB_REQ_BLKRD 2 /* Request is block read */ #define IIO_ICRB_REQ_RSHU 6 /* Request is BTE block read */ #define IIO_ICRB_REQ_REXU 7 /* request is BTE Excl Read */ #define IIO_ICRB_REQ_RDEX 8 /* Request is Read Exclusive */ #define IIO_ICRB_REQ_WINC 9 /* Request is Write Invalidate */ #define IIO_ICRB_REQ_BWINV 10 /* Request is BTE Winv */ #define IIO_ICRB_REQ_PIORD 11 /* Request is PIO read */ #define IIO_ICRB_REQ_PIOWR 12 /* Request is PIO Write */ #define IIO_ICRB_REQ_PRDM 13 /* Request is Fetch&Op */ #define IIO_ICRB_REQ_PWRM 14 /* Request is Store &Op */ #define IIO_ICRB_REQ_PTPWR 15 /* Request is Peer to peer */ #define IIO_ICRB_REQ_WB 16 /* Request is Write back */ #define IIO_ICRB_REQ_DEX 17 /* Retained DEX Cache line */ /* * Fields in CRB Register C */ #ifndef __ASSEMBLY__ typedef union icrbc_s { u64 reg_value; struct { u64 rsvd: 6, sleep: 1, pricnt: 4, /* Priority count sent with Read req */ pripsc: 4, /* Priority Pre scalar */ bteop: 1, /* BTE Operation */ push_be: 34, /* Push address Byte enable * Holds push addr, if CRB is for BTE * If CRB belongs to Partial cache, * this contains byte enables bits * ([47:46] = 0) */ suppl: 11, /* Supplemental field */ barrop: 1, /* Barrier Op bit set in xtalk req */ doresp: 1, /* Xtalk req needs a response */ gbr: 1; /* GBR bit set in xtalk packet */ } icrbc_field_s; } icrbc_t; #define c_pricnt icrbc_field_s.pricnt #define c_pripsc icrbc_field_s.pripsc #define c_bteop icrbc_field_s.bteop #define c_bteaddr icrbc_field_s.push_be /* push_be field has 2 names */ #define c_benable icrbc_field_s.push_be /* push_be field has 2 names */ #define c_suppl icrbc_field_s.suppl #define c_barrop icrbc_field_s.barrop #define c_doresp icrbc_field_s.doresp #define c_gbr icrbc_field_s.gbr #endif /* !__ASSEMBLY__ */ /* * Fields in CRB Register D */ #ifndef __ASSEMBLY__ typedef union icrbd_s { u64 reg_value; struct { u64 rsvd: 38, toutvld: 1, /* Timeout in progress for this CRB */ ctxtvld: 1, /* Context field below is valid */ rsvd2: 1, context: 15, /* Bit vector: * Has a bit set for each CRB entry * which needs to be deallocated * before this CRB entry is processed. * Set only for barrier operations. */ timeout: 8; /* Timeout Upper 8 bits */ } icrbd_field_s; } icrbd_t; #define icrbd_toutvld icrbd_field_s.toutvld #define icrbd_ctxtvld icrbd_field_s.ctxtvld #define icrbd_context icrbd_field_s.context typedef union hubii_ifdr_u { u64 hi_ifdr_value; struct { u64 ifdr_rsvd: 49, ifdr_maxrp: 7, ifdr_rsvd1: 1, ifdr_maxrq: 7; } hi_ifdr_fields; } hubii_ifdr_t; #endif /* !__ASSEMBLY__ */ /* * Hardware designed names for the BTE control registers. */ #define IIO_IBLS_0 0x410000 /* BTE length/status 0 */ #define IIO_IBSA_0 0x410008 /* BTE source address 0 */ #define IIO_IBDA_0 0x410010 /* BTE destination address 0 */ #define IIO_IBCT_0 0x410018 /* BTE control/terminate 0 */ #define IIO_IBNA_0 0x410020 /* BTE notification address 0 */ #define IIO_IBNR_0 IIO_IBNA_0 #define IIO_IBIA_0 0x410028 /* BTE interrupt address 0 */ #define IIO_IBLS_1 0x420000 /* BTE length/status 1 */ #define IIO_IBSA_1 0x420008 /* BTE source address 1 */ #define IIO_IBDA_1 0x420010 /* BTE destination address 1 */ #define IIO_IBCT_1 0x420018 /* BTE control/terminate 1 */ #define IIO_IBNA_1 0x420020 /* BTE notification address 1 */ #define IIO_IBNR_1 IIO_IBNA_1 #define IIO_IBIA_1 0x420028 /* BTE interrupt address 1 */ /* * More miscellaneous registers */ #define IIO_IPCR 0x430000 /* Performance Control */ #define IIO_IPPR 0x430008 /* Performance Profiling */ /* * IO Error Clear register bit field definitions */ #define IECLR_BTE1 (1 << 18) /* clear bte error 1 ??? */ #define IECLR_BTE0 (1 << 17) /* clear bte error 0 ??? */ #define IECLR_CRAZY (1 << 16) /* clear crazy bit in wstat reg */ #define IECLR_PRB_F (1 << 15) /* clear err bit in PRB_F reg */ #define IECLR_PRB_E (1 << 14) /* clear err bit in PRB_E reg */ #define IECLR_PRB_D (1 << 13) /* clear err bit in PRB_D reg */ #define IECLR_PRB_C (1 << 12) /* clear err bit in PRB_C reg */ #define IECLR_PRB_B (1 << 11) /* clear err bit in PRB_B reg */ #define IECLR_PRB_A (1 << 10) /* clear err bit in PRB_A reg */ #define IECLR_PRB_9 (1 << 9) /* clear err bit in PRB_9 reg */ #define IECLR_PRB_8 (1 << 8) /* clear err bit in PRB_8 reg */ #define IECLR_PRB_0 (1 << 0) /* clear err bit in PRB_0 reg */ /* * IO PIO Read Table Entry format */ #ifndef __ASSEMBLY__ typedef union iprte_a { u64 entry; struct { u64 rsvd1 : 7, /* Reserved field */ valid : 1, /* Maps to a timeout entry */ rsvd2 : 1, srcnode : 9, /* Node which did this PIO */ initiator : 2, /* If T5A or T5B or IO */ rsvd3 : 3, addr : 38, /* Physical address of PIO */ rsvd4 : 3; } iprte_fields; } iprte_a_t; #define iprte_valid iprte_fields.valid #define iprte_timeout iprte_fields.timeout #define iprte_srcnode iprte_fields.srcnode #define iprte_init iprte_fields.initiator #define iprte_addr iprte_fields.addr #endif /* !__ASSEMBLY__ */ #define IPRTE_ADDRSHFT 3 /* * Hub IIO PRB Register format. */ #ifndef __ASSEMBLY__ /* * Note: Fields bnakctr, anakctr, xtalkctrmode, ovflow fields are * "Status" fields, and should only be used in case of clean up after errors. */ typedef union iprb_u { u64 reg_value; struct { u64 rsvd1: 15, error: 1, /* Widget rcvd wr resp pkt w/ error */ ovflow: 5, /* Overflow count. perf measurement */ fire_and_forget: 1, /* Launch Write without response */ mode: 2, /* Widget operation Mode */ rsvd2: 2, bnakctr: 14, rsvd3: 2, anakctr: 14, xtalkctr: 8; } iprb_fields_s; } iprb_t; #define iprb_regval reg_value #define iprb_error iprb_fields_s.error #define iprb_ovflow iprb_fields_s.ovflow #define iprb_ff iprb_fields_s.fire_and_forget #define iprb_mode iprb_fields_s.mode #define iprb_bnakctr iprb_fields_s.bnakctr #define iprb_anakctr iprb_fields_s.anakctr #define iprb_xtalkctr iprb_fields_s.xtalkctr #endif /* !__ASSEMBLY__ */ /* * values for mode field in iprb_t. * For details of the meanings of NAK and Accept, refer the PIO flow * document */ #define IPRB_MODE_NORMAL (0) #define IPRB_MODE_COLLECT_A (1) /* PRB in collect A mode */ #define IPRB_MODE_SERVICE_A (2) /* NAK B and Accept A */ #define IPRB_MODE_SERVICE_B (3) /* NAK A and Accept B */ /* * IO CRB entry C_A to E_A : Partial (cache) CRBS */ #ifndef __ASSEMBLY__ typedef union icrbp_a { u64 ip_reg; /* the entire register value */ struct { u64 error: 1, /* 63, error occurred */ ln_uce: 1, /* 62: uncorrectable memory */ ln_ae: 1, /* 61: protection violation */ ln_werr:1, /* 60: write access error */ ln_aerr:1, /* 59: sn0net: Address error */ ln_perr:1, /* 58: sn0net: poison error */ timeout:1, /* 57: CRB timed out */ l_bdpkt:1, /* 56: truncated pkt on sn0net */ c_bdpkt:1, /* 55: truncated pkt on xtalk */ c_err: 1, /* 54: incoming xtalk req, err set*/ rsvd1: 12, /* 53-42: reserved */ valid: 1, /* 41: Valid status */ sidn: 4, /* 40-37: SIDN field of xtalk rqst */ tnum: 5, /* 36-32: TNUM of xtalk request */ bo: 1, /* 31: barrier op set in xtalk rqst*/ resprqd:1, /* 30: xtalk rqst requires response*/ gbr: 1, /* 29: gbr bit set in xtalk rqst */ size: 2, /* 28-27: size of xtalk request */ excl: 4, /* 26-23: exclusive bit(s) */ stall: 3, /* 22-20: stall (xtalk, bte 0/1) */ intvn: 1, /* 19: rqst target of intervention*/ resp: 1, /* 18: Data response given to t5 */ ack: 1, /* 17: Data ack received. */ hold: 1, /* 16: crb gathering invalidate acks*/ wb: 1, /* 15: writeback pending. */ ack_cnt:11, /* 14-04: counter of invalidate acks*/ tscaler:4; /* 03-00: Timeout prescaler */ } ip_fmt; } icrbp_a_t; #endif /* !__ASSEMBLY__ */ /* * A couple of defines to go with the above structure. */ #define ICRBP_A_CERR_SHFT 54 #define ICRBP_A_ERR_MASK 0x3ff #ifndef __ASSEMBLY__ typedef union hubii_idsr { u64 iin_reg; struct { u64 rsvd1 : 35, isent : 1, rsvd2 : 3, ienable: 1, rsvd : 7, node : 9, rsvd4 : 1, level : 7; } iin_fmt; } hubii_idsr_t; #endif /* !__ASSEMBLY__ */ /* * IO BTE Length/Status (IIO_IBLS) register bit field definitions */ #define IBLS_BUSY (0x1 << 20) #define IBLS_ERROR_SHFT 16 #define IBLS_ERROR (0x1 << IBLS_ERROR_SHFT) #define IBLS_LENGTH_MASK 0xffff /* * IO BTE Control/Terminate register (IBCT) register bit field definitions */ #define IBCT_POISON (0x1 << 8) #define IBCT_NOTIFY (0x1 << 4) #define IBCT_ZFIL_MODE (0x1 << 0) /* * IO BTE Interrupt Address Register (IBIA) register bit field definitions */ #define IBIA_LEVEL_SHFT 16 #define IBIA_LEVEL_MASK (0x7f << IBIA_LEVEL_SHFT) #define IBIA_NODE_ID_SHFT 0 #define IBIA_NODE_ID_MASK (0x1ff) /* * Miscellaneous hub constants */ /* Number of widgets supported by hub */ #define HUB_NUM_WIDGET 9 #define HUB_WIDGET_ID_MIN 0x8 #define HUB_WIDGET_ID_MAX 0xf #define HUB_WIDGET_PART_NUM 0xc101 #define MAX_HUBS_PER_XBOW 2 /* * Get a hub's widget id from widget control register */ #define IIO_WCR_WID_GET(nasid) (REMOTE_HUB_L(nasid, III_WCR) & 0xf) #define IIO_WST_ERROR_MASK (UINT64_CAST 1 << 32) /* Widget status error */ /* * Number of credits Hub widget has while sending req/response to * xbow. * Value of 3 is required by Xbow 1.1 * We may be able to increase this to 4 with Xbow 1.2. */ #define HUBII_XBOW_CREDIT 3 #define HUBII_XBOW_REV2_CREDIT 4 #endif /* _ASM_SGI_SN_SN0_HUBIO_H */
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