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Re: Why NetBSD x86's bus_space_barrier does not use [sml]fence?
On 2019/12/02 15:48, s ymgch wrote:
> I'm re-sending the last mail because I forgot to set ML addresses to
> destination e-mail address.
>
> 2019年12月2日(月) 12:53 s ymgch <s.ymgch228%gmail.com@localhost>:
>>
>> 2019年12月1日(日) 2:08 Taylor R Campbell <campbell+netbsd-tech-kern%mumble.net@localhost>:
>>>>> Are you using BUS_SPACE_MAP_PREFETCHABLE?
>>>>
>>>> No, the driver does not use it.
>>>
>>> And it doesn't use mtrrs or BUS_SPACE_MAP_CACHEABLE either, right?
>>
>> I had a misunderstanding. The driver uses BUS_SPACE_MAP_PREFETCHABLE
>> specified in PCI configuration space.
This is well known pitfall:
http://mail-index.netbsd.org/tech-kern/2017/03/22/msg021678.html
I think we should change pci_mapreg_map().
>>>
>>> Just to be sure, can you run
>>> <https://www.NetBSD.org/~jmcneill/old/mtrr.c> to confirm there are no
>>> mtrrs on the system affecting the bus space region in question?
>>
>> # ./mtrr
>> MTRR (96)
>> ----
>>
>> 00: 0 - ffff type wb flags valid, fixed
>> 01: 10000 - 1ffff type wb flags valid, fixed
>> 02: 20000 - 2ffff type wb flags valid, fixed
>> 03: 30000 - 3ffff type wb flags valid, fixed
>> 04: 40000 - 4ffff type wb flags valid, fixed
>> 05: 50000 - 5ffff type wb flags valid, fixed
>> 06: 60000 - 6ffff type wb flags valid, fixed
>> 07: 70000 - 7ffff type wb flags valid, fixed
>> 08: 80000 - 83fff type wb flags valid, fixed
>> 09: 84000 - 87fff type wb flags valid, fixed
>> 10: 88000 - 8bfff type wb flags valid, fixed
>> 11: 8c000 - 8ffff type wb flags valid, fixed
>> 12: 90000 - 93fff type wb flags valid, fixed
>> 13: 94000 - 97fff type wb flags valid, fixed
>> 14: 98000 - 9bfff type wb flags valid, fixed
>> 15: 9c000 - 9ffff type wb flags valid, fixed
>> 16: a0000 - a3fff type uc flags valid, fixed
>> 17: a4000 - a7fff type uc flags valid, fixed
>> 18: a8000 - abfff type uc flags valid, fixed
>> 19: ac000 - affff type uc flags valid, fixed
>> 20: b0000 - b3fff type uc flags valid, fixed
>> 21: b4000 - b7fff type uc flags valid, fixed
>> 22: b8000 - bbfff type uc flags valid, fixed
>> 23: bc000 - bffff type uc flags valid, fixed
>> 24: c0000 - c0fff type wp flags valid, fixed
>> 25: c1000 - c1fff type wp flags valid, fixed
>> 26: c2000 - c2fff type wp flags valid, fixed
>> 27: c3000 - c3fff type wp flags valid, fixed
>> 28: c4000 - c4fff type wp flags valid, fixed
>> 29: c5000 - c5fff type wp flags valid, fixed
>> 30: c6000 - c6fff type wp flags valid, fixed
>> 31: c7000 - c7fff type wp flags valid, fixed
>> 32: c8000 - c8fff type wp flags valid, fixed
>> 33: c9000 - c9fff type wp flags valid, fixed
>> 34: ca000 - cafff type wp flags valid, fixed
>> 35: cb000 - cbfff type wp flags valid, fixed
>> 36: cc000 - ccfff type wp flags valid, fixed
>> 37: cd000 - cdfff type wp flags valid, fixed
>> 38: ce000 - cefff type wp flags valid, fixed
>> 39: cf000 - cffff type wp flags valid, fixed
>> 40: d0000 - d0fff type wp flags valid, fixed
>> 41: d1000 - d1fff type wp flags valid, fixed
>> 42: d2000 - d2fff type wp flags valid, fixed
>> 43: d3000 - d3fff type wp flags valid, fixed
>> 44: d4000 - d4fff type wp flags valid, fixed
>> 45: d5000 - d5fff type wp flags valid, fixed
>> 46: d6000 - d6fff type wp flags valid, fixed
>> 47: d7000 - d7fff type wp flags valid, fixed
>> 48: d8000 - d8fff type wp flags valid, fixed
>> 49: d9000 - d9fff type wp flags valid, fixed
>> 50: da000 - dafff type wp flags valid, fixed
>> 51: db000 - dbfff type wp flags valid, fixed
>> 52: dc000 - dcfff type wp flags valid, fixed
>> 53: dd000 - ddfff type wp flags valid, fixed
>> 54: de000 - defff type wp flags valid, fixed
>> 55: df000 - dffff type wp flags valid, fixed
>> 56: e0000 - e0fff type wp flags valid, fixed
>> 57: e1000 - e1fff type wp flags valid, fixed
>> 58: e2000 - e2fff type wp flags valid, fixed
>> 59: e3000 - e3fff type wp flags valid, fixed
>> 60: e4000 - e4fff type wp flags valid, fixed
>> 61: e5000 - e5fff type wp flags valid, fixed
>> 62: e6000 - e6fff type wp flags valid, fixed
>> 63: e7000 - e7fff type wp flags valid, fixed
>> 64: e8000 - e8fff type wp flags valid, fixed
>> 65: e9000 - e9fff type wp flags valid, fixed
>> 66: ea000 - eafff type wp flags valid, fixed
>> 67: eb000 - ebfff type wp flags valid, fixed
>> 68: ec000 - ecfff type wp flags valid, fixed
>> 69: ed000 - edfff type wp flags valid, fixed
>> 70: ee000 - eefff type wp flags valid, fixed
>> 71: ef000 - effff type wp flags valid, fixed
>> 72: f0000 - f0fff type wp flags valid, fixed
>> 73: f1000 - f1fff type wp flags valid, fixed
>> 74: f2000 - f2fff type wp flags valid, fixed
>> 75: f3000 - f3fff type wp flags valid, fixed
>> 76: f4000 - f4fff type wp flags valid, fixed
>> 77: f5000 - f5fff type wp flags valid, fixed
>> 78: f6000 - f6fff type wp flags valid, fixed
>> 79: f7000 - f7fff type wp flags valid, fixed
>> 80: f8000 - f8fff type wp flags valid, fixed
>> 81: f9000 - f9fff type wp flags valid, fixed
>> 82: fa000 - fafff type wp flags valid, fixed
>> 83: fb000 - fbfff type wp flags valid, fixed
>> 84: fc000 - fcfff type wp flags valid, fixed
>> 85: fd000 - fdfff type wp flags valid, fixed
>> 86: fe000 - fefff type wp flags valid, fixed
>> 87: ff000 - fffff type wp flags valid, fixed
>> 88: c0000000 - ffffffff type uc flags valid
>> 89: 0 - ffffffffffffffff type uc flags invalid
>> 90: 0 - ffffffffffffffff type uc flags invalid
>> 91: 0 - ffffffffffffffff type uc flags invalid
>> 92: 0 - ffffffffffffffff type uc flags invalid
>> 93: 0 - ffffffffffffffff type uc flags invalid
>> 94: 0 - ffffffffffffffff type uc flags invalid
>> 95: 0 - ffffffffffffffff type uc flags invalid
>> #
>>
>> 2019年12月1日(日) 2:18 Andrew Doran <ad%netbsd.org@localhost>:
>>>
>>> Hi,
>>>
>>> I assume this is a PCI device. Could you please dump the device's
>>> configuration registers for us with "pcictl dump"?
>>
>> # pcictl pci0 dump -b 5 -d 0 -f 1
>> PCI configuration registers:
>> Common header:
>> 0x00: 0x15898086 0x00100006 0x02000001 0x00800010
>>
>> Vendor Name: Intel (0x8086)
>> Device Name: X710-T4 10GbaseT (0x1589)
>> Command register: 0x0006
>> I/O space accesses: off
>> Memory space accesses: on
>> Bus mastering: on
>> Special cycles: off
>> MWI transactions: off
>> Palette snooping: off
>> Parity error checking: off
>> Address/data stepping: off
>> System error (SERR): off
>> Fast back-to-back transactions: off
>> Interrupt disable: off
>> Status register: 0x0010
>> Immediate Readiness: off
>> Interrupt status: inactive
>> Capability List support: on
>> 66 MHz capable: off
>> User Definable Features (UDF) support: off
>> Fast back-to-back capable: off
>> Data parity error detected: off
>> DEVSEL timing: fast (0x0)
>> Slave signaled Target Abort: off
>> Master received Target Abort: off
>> Master received Master Abort: off
>> Asserted System Error (SERR): off
>> Parity error detected: off
>> Class Name: network (0x02)
>> Subclass Name: ethernet (0x00)
>> Interface: 0x00
>> Revision ID: 0x01
>> BIST: 0x00
>> Header Type: 0x00+multifunction (0x80)
>> Latency Timer: 0x00
>> Cache Line Size: 64bytes (0x10)
>>
>> Type 0 ("normal" device) header:
>> 0x10: 0xf600000c 0x00000000 0x00000000 0xf881000c
>> 0x20: 0x00000000 0x00000000 0x00000000 0x00008086
>> 0x30: 0xfb700000 0x00000040 0x00000000 0x0000010b
>>
>> Base address register at 0x10
>> type: 64-bit prefetchable memory
>> base: 0x00000000f6000000
>> Base address register at 0x18
>> not implemented
>> Base address register at 0x1c
>> type: 64-bit prefetchable memory
>> base: 0x00000000f8810000
>> Base address register at 0x24
>> not implemented
>> Cardbus CIS Pointer: 0x00000000
>> Subsystem vendor ID: 0x8086
>> Subsystem ID: 0x0000
>> Expansion ROM Base Address Register: 0xfb700000
>> base: 0xfb700000
>> Expansion ROM Enable: off
>> Validation Status: Validation not supported
>> Validation Details: 0x0
>> Capability list pointer: 0x40
>> Reserved @ 0x38: 0x00000000
>> Maximum Latency: 0x00
>> Minimum Grant: 0x00
>> Interrupt pin: 0x01 (pin A)
>> Interrupt line: 0x0b
>>
>> Capability register at 0x40
>> type: 0x01 (Power Management)
>> Capability register at 0x50
>> type: 0x05 (MSI)
>> Capability register at 0x70
>> type: 0x11 (MSI-X)
>> Capability register at 0xa0
>> type: 0x10 (PCI Express)
>> Capability register at 0xe0
>> type: 0x03 (VPD)
>>
>> PCI Power Management Capabilities Register
>> Capabilities register: 0xc823
>> Version: 1.2
>> PME# clock: off
>> Device specific initialization: on
>> 3.3V auxiliary current: self-powered
>> D1 power management state support: off
>> D2 power management state support: off
>> PME# support D0: on
>> PME# support D1: off
>> PME# support D2: off
>> PME# support D3 hot: on
>> PME# support D3 cold: on
>> Control/status register: 0x00002008
>> Power state: D0
>> PCI Express reserved: off
>> No soft reset: on
>> PME# assertion: disabled
>> Data Select: 0
>> Data Scale: 1
>> PME# status: off
>> Bridge Support Extensions register: 0x00
>> B2/B3 support: off
>> Bus Power/Clock Control Enable: off
>> Data register: 0x00
>>
>> PCI Message Signaled Interrupt
>> Message Control register: 0x0180
>> MSI Enabled: off
>> Multiple Message Capable: no (1 vector)
>> Multiple Message Enabled: off (1 vector)
>> 64 Bit Address Capable: on
>> Per-Vector Masking Capable: on
>> Extended Message Data Capable: off
>> Extended Message Data Enable: off
>> Message Address (lower) register: 0x00000000
>> Message Address (upper) register: 0x00000000
>> Message Data register: 0x0000
>> Vector Mask register: 0x00000000
>> Vector Pending register: 0x00000000
>>
>> PCI Express Capabilities Register
>> Capability register: 0x0002
>> Capability version: 2
>> Device type: PCI Express Endpoint device
>> Slot implemented: off
>> Interrupt Message Number: 0x00
>> Device Capabilities Register: 0x10008ce4
>> Max Payload Size Supported: 2048 bytes max
>> Phantom Functions Supported: not available
>> Extended Tag Field Supported: 8bit
>> Endpoint L0 Acceptable Latency: 256ns to less than 512ns
>> Endpoint L1 Acceptable Latency: 32us - 64us
>> Attention Button Present: off
>> Attention Indicator Present: off
>> Power Indicator Present: off
>> Role-Based Error Report: on
>> Captured Slot Power Limit: 0W
>> Function-Level Reset Capability: on
>> Device Control Register: 0x5120
>> Correctable Error Reporting Enable: off
>> Non Fatal Error Reporting Enable: off
>> Fatal Error Reporting Enable: off
>> Unsupported Request Reporting Enable: off
>> Enable Relaxed Ordering: off
>> Max Payload Size: 256 byte
>> Extended Tag Field Enable: on
>> Phantom Functions Enable: off
>> Aux Power PM Enable: off
>> Enable No Snoop: off
>> Max Read Request Size: 4096 byte
>> Device Status Register: 0x0009
>> Correctable Error Detected: on
>> Non Fatal Error Detected: off
>> Fatal Error Detected: off
>> Unsupported Request Detected: on
>> Aux Power Detected: off
>> Transaction Pending: off
>> Emergency Power Reduction Detected: off
>> Link Capabilities Register: 0x00425883
>> Maximum Link Speed: 8.0GT/s
>> Maximum Link Width: x8 lanes
>> Active State PM Support: L1 supported
>> L0 Exit Latency: 1us to less than 2us
>> L1 Exit Latency: 8us to less than 16us
>> Port Number: 0
>> Clock Power Management: off
>> Surprise Down Error Report: off
>> Data Link Layer Link Active: off
>> Link BW Notification Capable: off
>> ASPM Optionally Compliance: on
>> Link Control Register: 0x0040
>> Active State PM Control: disabled
>> Read Completion Boundary Control: 64bytes
>> Link Disable: off
>> Retrain Link: off
>> Common Clock Configuration: on
>> Extended Synch: off
>> Enable Clock Power Management: off
>> Hardware Autonomous Width Disable: off
>> Link Bandwidth Management Interrupt Enable: off
>> Link Autonomous Bandwidth Interrupt Enable: off
>> DRS Signaling Control: not reported
>> Link Status Register: 0x1083
>> Negotiated Link Speed: 8.0GT/s
>> Negotiated Link Width: x8 lanes
>> Training Error: off
>> Link Training: off
>> Slot Clock Configuration: on
>> Data Link Layer Link Active: off
>> Link Bandwidth Management Status: off
>> Link Autonomous Bandwidth Status: off
>> Device Capabilities 2: 0x0000001f
>> Completion Timeout Ranges Supported: ABCD
>> Completion Timeout Disable Supported: on
>> ARI Forwarding Supported: off
>> AtomicOp Routing Supported: off
>> 32bit AtomicOp Completer Supported: off
>> 64bit AtomicOp Completer Supported: off
>> 128-bit CAS Completer Supported: off
>> No RO-enabled PR-PR passing: off
>> LTR Mechanism Supported: off
>> TPH Completer Supported: Not supported
>> LN System CLS: Not supported or not in effect
>> OBFF Supported: Not supported
>> Extended Fmt Field Supported: off
>> End-End TLP Prefix Supported: off
>> Max End-End TLP Prefixes: 4
>> Emergency Power Reduction Supported: Not supported
>> Emergency Power Reduction Initialization Required: off
>> FRS Supported: off
>> Device Control 2: 0x0000
>> Completion Timeout Value: 50us to 50ms
>> Completion Timeout Disabled: off
>> ARI Forwarding Enabled: off
>> AtomicOp Requester Enabled: off
>> AtomicOp Egress Blocking: off
>> IDO Request Enabled: off
>> IDO Completion Enabled: off
>> LTR Mechanism Enabled: off
>> Emergency Power Reduction Request: off
>> OBFF: Disabled
>> End-End TLP Prefix Blocking on: off
>> Link Capabilities 2: 0x0000000e
>> Supported Link Speeds Vector: 2.5GT/s 5.0GT/s 8.0GT/s
>> Crosslink Supported: off
>> Lower SKP OS Generation Supported Speed Vector:
>> Lower SKP OS Reception Supported Speed Vector:
>> DRS Supported: off
>> Link Control 2: 0x0000
>> Target Link Speed: 2.5GT/s
>> Enter Compliance Enabled: off
>> HW Autonomous Speed Disabled: off
>> Selectable De-emphasis: -6dB
>> Transmit Margin: 0
>> Enter Modified Compliance: off
>> Compliance SOS: off
>> Compliance Present/De-emphasis: -6dB
>> Link Status 2: 0x0000
>> Current De-emphasis Level: -6dB
>> Equalization Complete: off
>> Equalization Phase 1 Successful: off
>> Equalization Phase 2 Successful: off
>> Equalization Phase 3 Successful: off
>> Link Equalization Request: off
>> Retimer Presence Detected: off
>>
>> MSI-X Capability Register
>> Message Control register: 0x0080
>> Table Size: 129
>> Function Mask: off
>> MSI-X Enable: off
>> Table offset register: 0x00000003
>> Table offset: 0x00000000
>> BIR: 0x3
>> Pending bit array register: 0x00001003
>> Pending bit array offset: 0x00001000
>> BIR: 0x3
>>
>> Device-dependent header:
>> 0x40: 0xc8235001 0x00002008 0x00000000 0x00000000
>> 0x50: 0x01807005 0x00000000 0x00000000 0x00000000
>> 0x60: 0x00000000 0x00000000 0x00000000 0x00000000
>> 0x70: 0x0080a011 0x00000003 0x00001003 0x00000000
>> 0x80: 0x00000000 0x00000000 0x00000000 0x00000000
>> 0x90: 0x00000000 0x00000000 0x00000000 0x00000000
>> 0xa0: 0x0002e010 0x10008ce4 0x00095120 0x00425883
>> 0xb0: 0x10830040 0x00000000 0x00000000 0x00000000
>> 0xc0: 0x00000000 0x0000001f 0x00000000 0x0000000e
>> 0xd0: 0x00000000 0x00000000 0x00000000 0x00000000
>> 0xe0: 0x80140003 0xd7015652 0x00000000 0x00000000
>> 0xf0: 0x00000000 0x00000000 0x00000000 0x00000000
>>
>> Extended Capability Register at 0x100
>> type: 0x0001 (Advanced Error Reporting)
>> version: 2
>> Extended Capability Register at 0x140
>> type: 0x0003 (Device Serial Number)
>> version: 1
>> Extended Capability Register at 0x150
>> type: 0x000e (Alternative Routing-ID Interpretation)
>> version: 1
>> Extended Capability Register at 0x160
>> type: 0x0010 (Single Root IO Virtualization)
>> version: 1
>> Extended Capability Register at 0x1a0
>> type: 0x0017 (TPH Requester)
>> version: 1
>> Extended Capability Register at 0x1b0
>> type: 0x000d (Access Control Services)
>> version: 1
>>
>> Advanced Error Reporting Register
>> Uncorrectable Error Status register: 0x00000000
>> Undefined: off
>> Data Link Protocol Error: off
>> Surprise Down Error: off
>> Poisoned TLP Received: off
>> Flow Control Protocol Error: off
>> Completion Timeout: off
>> Completer Abort: off
>> Unexpected Completion: off
>> Receiver Overflow: off
>> Malformed TLP: off
>> ECRC Error: off
>> Unsupported Request Error: off
>> ACS Violation: off
>> Uncorrectable Internal Error: off
>> MC Blocked TLP: off
>> AtomicOp Egress BLK: off
>> TLP Prefix Blocked Error: off
>> Poisoned TLP Egress Blocked: off
>> Uncorrectable Error Mask register: 0x00000000
>> Undefined: off
>> Data Link Protocol Error: off
>> Surprise Down Error: off
>> Poisoned TLP Received: off
>> Flow Control Protocol Error: off
>> Completion Timeout: off
>> Completer Abort: off
>> Unexpected Completion: off
>> Receiver Overflow: off
>> Malformed TLP: off
>> ECRC Error: off
>> Unsupported Request Error: off
>> ACS Violation: off
>> Uncorrectable Internal Error: off
>> MC Blocked TLP: off
>> AtomicOp Egress BLK: off
>> TLP Prefix Blocked Error: off
>> Poisoned TLP Egress Blocked: off
>> Uncorrectable Error Severity register: 0x00062030
>> Undefined: off
>> Data Link Protocol Error: on
>> Surprise Down Error: on
>> Poisoned TLP Received: off
>> Flow Control Protocol Error: on
>> Completion Timeout: off
>> Completer Abort: off
>> Unexpected Completion: off
>> Receiver Overflow: on
>> Malformed TLP: on
>> ECRC Error: off
>> Unsupported Request Error: off
>> ACS Violation: off
>> Uncorrectable Internal Error: off
>> MC Blocked TLP: off
>> AtomicOp Egress BLK: off
>> TLP Prefix Blocked Error: off
>> Poisoned TLP Egress Blocked: off
>> Correctable Error Status register: 0x00002000
>> Receiver Error: off
>> Bad TLP: off
>> Bad DLLP: off
>> REPLAY_NUM Rollover: off
>> Replay Timer Timeout: off
>> Advisory Non-Fatal Error: on
>> Corrected Internal Error: off
>> Header Log Overflow: off
>> Correctable Error Mask register: 0x00002000
>> Receiver Error: off
>> Bad TLP: off
>> Bad DLLP: off
>> REPLAY_NUM Rollover: off
>> Replay Timer Timeout: off
>> Advisory Non-Fatal Error: on
>> Corrected Internal Error: off
>> Header Log Overflow: off
>> Advanced Error Capabilities and Control register: 0x000000a0
>> First Error Pointer: 0x0000
>> ECRC Generation Capable: on
>> ECRC Generation Enable: off
>> ECRC Check Capable: on
>> ECRC Check Enable: off
>> Multiple Header Recording Capable: off
>> Multiple Header Recording Enable: off
>> Completion Timeout Prefix/Header Log Capable: off
>> TLP Prefix Log Present: off
>> Header Log register:
>> 0x11c: 0x00000000
>> 0x120: 0x00000000 0x00000000 0x00000000
>>
>> Device Serial Number Register
>> Serial Number: c0-ab-58-ff-ff-fe-fd-3c
>>
>> Access Control Services
>> ACS Capability register: 0x00000000
>> ACS Source Validation: off
>> ACS Transaction Blocking: off
>> ACS P2P Request Redirect: off
>> ACS P2P Completion Redirect: off
>> ACS Upstream Forwarding: off
>> ACS Egress Control: off
>> ACS Direct Translated P2P: off
>> Egress Control Vector Size: 256
>> ACS Control register: 0x00000000
>> ACS Source Validation Enable: off
>> ACS Transaction Blocking Enable: off
>> ACS P2P Request Redirect Enable: off
>> ACS P2P Completion Redirect Enable: off
>> ACS Upstream Forwarding Enable: off
>> ACS Egress Control Enable: off
>> ACS Direct Translated P2P Enable: off
>>
>> Alternative Routing-ID Interpretation Register
>> Capability register: 0x00000200
>> MVFC Function Groups Capability: off
>> ACS Function Groups Capability: off
>> Next Function Number: 2
>> Control register: 0x00000000
>> MVFC Function Groups Enable: off
>> ACS Function Groups Enable: off
>> Function Group: 0
>>
>> Single Root IO Virtualization Register
>> Capabilities register: 0x00000000
>> VF Migration Capable: off
>> ARI Capable Hierarchy Preserved: off
>> Control register: 0x0000
>> VF Enable: off
>> VF Migration Enable: off
>> VF Migration Interrupt Enable: off
>> VF Memory Space Enable: off
>> ARI Capable Hierarchy: off
>> Status register: 0x0000
>> VF Migration Status: off
>> InitialVFs register: 0x0020
>> TotalVFs register: 0x0020
>> NumVFs register: 0x0000
>> Function Dependency Link register: 0x0001
>> First VF Offset register: 0x012f
>> VF Stride register: 0x0001
>> Device ID: 0x154c
>> Supported Page Sizes register: 0x00000553
>> Supported Page Size: 4096 B, 8192 B, 65536 B, 256 KB, 1024 KB, 4096 KB
>> System Page Sizes register: 0x00000001
>> Page Size: 4096 B
>> VF BAR0 register: 0xf840000c
>> VF BAR1 register: 0x00000000
>> VF BAR2 register: 0x00000000
>> VF BAR3 register: 0xf892000c
>> VF BAR4 register: 0x00000000
>> VF BAR5 register: 0x00000000
>> VF Migration State Array Offset register: 0x00000000
>> VF Migration State Offset: 0x00000000
>> VF Migration State BIR: BAR0
>>
>> TPH Requester Extended Capability
>> TPH Requester Capabililty register: 0x00000005
>> No ST Mode Supported: on
>> Interrupt Vector Mode Supported: off
>> Device Specific Mode Supported: on
>> Extend TPH Reqester Supported: off
>> ST Table Location: Not Present
>> TPH Requester Control register: 0x00000000
>> ST Mode Select: No ST Mode
>> TPH Requester Enable: Not permitted
>>
>> Extended Configuration Space:
>> 0x100: 0x14020001 0x00000000 0x00000000 0x00062030
>> 0x110: 0x00002000 0x00002000 0x000000a0 0x00000000
>> 0x120: 0x00000000 0x00000000 0x00000000 0x00000000
>> 0x130: 0x00000000 0x00000000 0x00000000 0x00000000
>> 0x140: 0x15010003 0xfffefd3c 0xc0ab58ff 0x00000000
>> 0x150: 0x1601000e 0x00000200 0x00000000 0x00000000
>> 0x160: 0x1a010010 0x00000000 0x00000000 0x00200020
>> 0x170: 0x00010000 0x0001012f 0x154c0000 0x00000553
>> 0x180: 0x00000001 0xf840000c 0x00000000 0x00000000
>> 0x190: 0xf892000c 0x00000000 0x00000000 0x00000000
>> 0x1a0: 0x1b010017 0x00000005 0x00000000 0x00000000
>> 0x1b0: 0x0001000d 0x00000000 0x00000000 0x00000000
>> ... (snip: all 0x00000000)
>> 0xff0: 0x00000000 0x00000000 0x00000000 0x00000000
>>
>> Regards,
>> yamaguchi
--
-----------------------------------------------
SAITOH Masanobu (msaitoh%execsw.org@localhost
msaitoh%netbsd.org@localhost)
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