Messages in this thread | | | Subject | Re: [PATCH v5 2/6] PCI: uniphier: Add misc interrupt handler to invoke PME and AER | From | Kunihiko Hayashi <> | Date | Tue, 14 Jul 2020 18:27:24 +0900 |
| |
Hi Lorenzo,
On 2020/07/11 1:14, Lorenzo Pieralisi wrote: > On Wed, Jul 01, 2020 at 11:18:29AM +0900, Kunihiko Hayashi wrote: > > [...] > >>>>>> -static void uniphier_pcie_irq_handler(struct irq_desc *desc) >>>>>> +static void uniphier_pcie_misc_isr(struct pcie_port *pp, bool is_msi) >>>>>> { >>>>>> - struct pcie_port *pp = irq_desc_get_handler_data(desc); >>>>>> struct dw_pcie *pci = to_dw_pcie_from_pp(pp); >>>>>> struct uniphier_pcie_priv *priv = to_uniphier_pcie(pci); >>>>>> - struct irq_chip *chip = irq_desc_get_chip(desc); >>>>>> - unsigned long reg; >>>>>> - u32 val, bit, virq; >>>>>> + u32 val, virq; >>>>>> - /* INT for debug */ >>>>>> val = readl(priv->base + PCL_RCV_INT); >>>>>> if (val & PCL_CFG_BW_MGT_STATUS) >>>>>> dev_dbg(pci->dev, "Link Bandwidth Management Event\n"); >>>>>> + >>>>>> if (val & PCL_CFG_LINK_AUTO_BW_STATUS) >>>>>> dev_dbg(pci->dev, "Link Autonomous Bandwidth Event\n"); >>>>>> - if (val & PCL_CFG_AER_RC_ERR_MSI_STATUS) >>>>>> - dev_dbg(pci->dev, "Root Error\n"); >>>>>> - if (val & PCL_CFG_PME_MSI_STATUS) >>>>>> - dev_dbg(pci->dev, "PME Interrupt\n"); >>>>>> + >>>>>> + if (is_msi) { >>>>>> + if (val & PCL_CFG_AER_RC_ERR_MSI_STATUS) >>>>>> + dev_dbg(pci->dev, "Root Error Status\n"); >>>>>> + >>>>>> + if (val & PCL_CFG_PME_MSI_STATUS) >>>>>> + dev_dbg(pci->dev, "PME Interrupt\n"); >>>>>> + >>>>>> + if (val & (PCL_CFG_AER_RC_ERR_MSI_STATUS | >>>>>> + PCL_CFG_PME_MSI_STATUS)) { >>>>>> + virq = irq_linear_revmap(pp->irq_domain, 0); >>>>>> + generic_handle_irq(virq); >>>>>> + } >>>>>> + } >>>>> >>>>> Please have two handlers: one for interrupts that are from the RC, >>>>> another for interrupts coming from the endpoints. >>>> I assume that this handler treats interrupts from the RC only and >>>> this is set on the member ".msi_host_isr" added in the patch 1/6. >>>> I think that the handler for interrupts coming from endpoints should be >>>> treated as a normal case (after calling .msi_host_isr in >>>> dw_handle_msi_irq()). >>> >>> It looks pretty odd that you end-up dealing with both from the >>> same "parent" interrupt. I guess this is in keeping with the >>> rest of the DW PCIe hacks... :-/ >> >> It might be odd, however, in case of UniPhier SoC, >> both MSI interrupts from endpoints and PME/AER interrupts from RC are >> asserted by same "parent" interrupt. In other words, PME/AER interrupts >> are notified using the parent interrupt for MSI. >> >> MSI interrupts are treated as child interrupts with reference to >> the status register in DW core. This is handled in a for-loop in >> dw_handle_msi_irq(). >> >> PME/AER interrupts are treated with reference to the status register >> in UniPhier glue layer, however, this couldn't be handled in the same way >> directly. >> >> So I'm trying to add .msi_host_isr function to handle this >> with reference to the SoC-specific registers. >> >> This exported function asserts MSI-0 as a shared child interrupt. >> As a result, PME/AER are registered like the followings in dmesg: >> >> pcieport 0000:00:00.0: PME: Signaling with IRQ 25 >> pcieport 0000:00:00.0: AER: enabled with IRQ 25 >> >> And these interrupts are shared as MSI-0: >> >> # cat /proc/interrupts | grep 25: >> 25: 0 0 0 0 PCI-MSI 0 Edge PCIe PME, aerdrv >> >> This might be a special case, though, I think that this is needed to handle >> interrupts from RC sharing MSI parent. > > Can you please send me (with this series *applied* of course and if > possible with an endpoint MSI/MSI-X capable enabled): > > - full dmesg log > - lspci -vv output > - cat /proc/interrupts > > I need to understand how this system HW works before commenting any > further.
Okay, I attach all the log to this mail.
This controller has MSI support only, and I attached R8169 ethernet card to PCIe slot to enable the controller.
> >>> It is for Lorenzo to make up his mind about this anyway. >> >> I'd like to Lorenzo's opinion, too. > > I am trying to understand how the HW is wired up (and that's what Marc > asked as well) so first things first, please send the logs.
I hope this will help your understanding.
Thank you,
--- Best Regards Kunihiko Hayashi root@akebi96:~# dmesg [ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x410fd082] [ 0.000000] Linux version 5.8.0-rc4-next-20200710-00007-g868c2f1a3dad (hayashi@ubuntu) (aarch64-linux-gnu-gcc (Linaro GCC 7.5-2019.12) 7.5.0, GNU ld (Linaro_Binutils-2019.12) 2.28.2.20170706) #21 SMP PREEMPT Mon Jul 13 09:48:17 JST 2020 [ 0.000000] Machine model: Akebi96 [ 0.000000] efi: UEFI not found. [ 0.000000] cma: Reserved 32 MiB at 0x00000000fdc00000 [ 0.000000] NUMA: No NUMA configuration found [ 0.000000] NUMA: Faking a node at [mem 0x0000000080000000-0x000000013fffffff] [ 0.000000] NUMA: NODE_DATA [mem 0x13f9f5340-0x13f9f723f] [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000080000000-0x00000000bfffffff] [ 0.000000] DMA32 [mem 0x00000000c0000000-0x00000000ffffffff] [ 0.000000] Normal [mem 0x0000000100000000-0x000000013fffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000080000000-0x0000000080ffffff] [ 0.000000] node 0: [mem 0x0000000082000000-0x00000000bfffffff] [ 0.000000] node 0: [mem 0x00000000c2000000-0x000000013fffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000080000000-0x000000013fffffff] [ 0.000000] On node 0 totalpages: 774144 [ 0.000000] DMA zone: 4096 pages used for memmap [ 0.000000] DMA zone: 0 pages reserved [ 0.000000] DMA zone: 258048 pages, LIFO batch:63 [ 0.000000] DMA32 zone: 4096 pages used for memmap [ 0.000000] DMA32 zone: 253952 pages, LIFO batch:63 [ 0.000000] Normal zone: 4096 pages used for memmap [ 0.000000] Normal zone: 262144 pages, LIFO batch:63 [ 0.000000] psci: probing for conduit method from DT. [ 0.000000] psci: PSCIv1.1 detected in firmware. [ 0.000000] psci: Using standard PSCI v0.2 function IDs [ 0.000000] psci: Trusted OS migration not required [ 0.000000] psci: SMC Calling Convention v1.2 [ 0.000000] percpu: Embedded 23 pages/cpu s54040 r8192 d31976 u94208 [ 0.000000] pcpu-alloc: s54040 r8192 d31976 u94208 alloc=23*4096 [ 0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 [ 0.000000] Detected PIPT I-cache on CPU0 [ 0.000000] CPU features: detected: GIC system register CPU interface [ 0.000000] CPU features: detected: EL2 vector hardening [ 0.000000] Speculative Store Bypass Disable mitigation not required [ 0.000000] CPU features: detected: ARM errata 1165522, 1319367, or 1530923 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 761856 [ 0.000000] Policy zone: Normal [ 0.000000] Kernel command line: [ 0.000000] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.000000] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.000000] software IO TLB: mapped [mem 0xbbfff000-0xbffff000] (64MB) [ 0.000000] Memory: 2881608K/3096576K available (14076K kernel code, 2240K rwdata, 7572K rodata, 5696K init, 486K bss, 182200K reserved, 32768K cma-reserved) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] rcu: Preemptible hierarchical RCU implementation. [ 0.000000] rcu: RCU event tracing is enabled. [ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=256 to nr_cpu_ids=4. [ 0.000000] Trampoline variant of Tasks RCU enabled. [ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies. [ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.000000] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0 [ 0.000000] GICv3: GIC: Using split EOI/Deactivate mode [ 0.000000] GICv3: 512 SPIs implemented [ 0.000000] GICv3: 0 Extended SPIs implemented [ 0.000000] GICv3: Distributor has no Range Selector support [ 0.000000] GICv3: 16 PPIs implemented [ 0.000000] GICv3: CPU0: found redistributor 0 region 0:0x000000005fe80000 [ 0.000000] random: get_random_bytes called from start_kernel+0x314/0x4f0 with crng_init=0 [ 0.000000] arch_timer: cp15 timer(s) running at 50.00MHz (phys). [ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0xb8812736b, max_idle_ns: 440795202655 ns [ 0.000003] sched_clock: 56 bits at 50MHz, resolution 20ns, wraps every 4398046511100ns [ 0.000358] Console: colour dummy device 80x25 [ 0.000628] printk: console [tty0] enabled [ 0.000690] Calibrating delay loop (skipped), value calculated using timer frequency.. 100.00 BogoMIPS (lpj=200000) [ 0.000705] pid_max: default: 32768 minimum: 301 [ 0.000758] LSM: Security Framework initializing [ 0.000846] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.000905] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.002094] rcu: Hierarchical SRCU implementation. [ 0.003161] EFI services will not be available. [ 0.003357] smp: Bringing up secondary CPUs ... [ 0.028171] Detected PIPT I-cache on CPU1 [ 0.028201] GICv3: CPU1: found redistributor 1 region 0:0x000000005fea0000 [ 0.028228] CPU1: Booted secondary processor 0x0000000001 [0x410fd082] [ 0.040780] CPU features: detected: ARM erratum 845719 [ 0.040794] Detected VIPT I-cache on CPU2 [ 0.040821] GICv3: CPU2: found redistributor 100 region 0:0x000000005fec0000 [ 0.040852] CPU2: Booted secondary processor 0x0000000100 [0x410fd034] [ 0.053434] Detected VIPT I-cache on CPU3 [ 0.053453] GICv3: CPU3: found redistributor 101 region 0:0x000000005fee0000 [ 0.053471] CPU3: Booted secondary processor 0x0000000101 [0x410fd034] [ 0.053567] smp: Brought up 1 node, 4 CPUs [ 0.053628] SMP: Total of 4 processors activated. [ 0.053636] CPU features: detected: 32-bit EL0 Support [ 0.053644] CPU features: detected: CRC32 instructions [ 0.053652] CPU features: detected: 32-bit EL1 Support [ 0.069374] CPU: All CPU(s) started at EL2 [ 0.069409] alternatives: patching kernel code [ 0.070560] devtmpfs: initialized [ 0.074955] KASLR disabled due to lack of seed [ 0.075508] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns [ 0.075541] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) [ 0.076843] pinctrl core: initialized pinctrl subsystem [ 0.078133] thermal_sys: Registered thermal governor 'step_wise' [ 0.078136] thermal_sys: Registered thermal governor 'power_allocator' [ 0.078489] DMI not present or invalid. [ 0.079115] NET: Registered protocol family 16 [ 0.080223] DMA: preallocated 512 KiB GFP_KERNEL pool for atomic allocations [ 0.080365] DMA: preallocated 512 KiB GFP_KERNEL|GFP_DMA pool for atomic allocations [ 0.080608] DMA: preallocated 512 KiB GFP_KERNEL|GFP_DMA32 pool for atomic allocations [ 0.080719] audit: initializing netlink subsys (disabled) [ 0.080920] audit: type=2000 audit(0.080:1): state=initialized audit_enabled=0 res=1 [ 0.081732] cpuidle: using governor menu [ 0.081826] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers. [ 0.081907] ASID allocator initialised with 65536 entries [ 0.083251] Serial: AMBA PL011 UART driver [ 0.106086] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.106112] HugeTLB registered 32.0 MiB page size, pre-allocated 0 pages [ 0.106126] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.106140] HugeTLB registered 64.0 KiB page size, pre-allocated 0 pages [ 0.107261] cryptd: max_cpu_qlen set to 1000 [ 0.109289] ACPI: Interpreter disabled. [ 0.110385] iommu: Default domain type: Translated [ 0.110624] vgaarb: loaded [ 0.110992] SCSI subsystem initialized [ 0.111140] libata version 3.00 loaded. [ 0.111382] usbcore: registered new interface driver usbfs [ 0.111433] usbcore: registered new interface driver hub [ 0.111502] usbcore: registered new device driver usb [ 0.112240] pps_core: LinuxPPS API ver. 1 registered [ 0.112252] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it> [ 0.112279] PTP clock support registered [ 0.112413] EDAC MC: Ver: 3.0.0 [ 0.113709] FPGA manager framework [ 0.113811] Advanced Linux Sound Architecture Driver Initialized. [ 0.114454] clocksource: Switched to clocksource arch_sys_counter [ 0.114662] VFS: Disk quotas dquot_6.6.0 [ 0.114727] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.114943] pnp: PnP ACPI: disabled [ 0.120538] NET: Registered protocol family 2 [ 0.120950] tcp_listen_portaddr_hash hash table entries: 2048 (order: 3, 32768 bytes, linear) [ 0.121018] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 0.121260] TCP bind hash table entries: 32768 (order: 7, 524288 bytes, linear) [ 0.121802] TCP: Hash tables configured (established 32768 bind 32768) [ 0.121949] UDP hash table entries: 2048 (order: 4, 65536 bytes, linear) [ 0.122047] UDP-Lite hash table entries: 2048 (order: 4, 65536 bytes, linear) [ 0.122263] NET: Registered protocol family 1 [ 0.122796] RPC: Registered named UNIX socket transport module. [ 0.122810] RPC: Registered udp transport module. [ 0.122821] RPC: Registered tcp transport module. [ 0.122831] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.122850] PCI: CLS 0 bytes, default 64 [ 0.123057] Unpacking initramfs... [ 1.191696] Freeing initrd memory: 24236K [ 1.192241] kvm [1]: IPA Size Limit: 40bits [ 1.193026] kvm [1]: GICv3: no GICV resource entry [ 1.193040] kvm [1]: disabling GICv2 emulation [ 1.193069] kvm [1]: GIC system register CPU interface enabled [ 1.193178] kvm [1]: vgic interrupt IRQ1 [ 1.193323] kvm [1]: Hyp mode initialized successfully [ 1.196991] Initialise system trusted keyrings [ 1.197142] workingset: timestamp_bits=44 max_order=20 bucket_order=0 [ 1.203283] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 1.203979] NFS: Registering the id_resolver key type [ 1.204017] Key type id_resolver registered [ 1.204027] Key type id_legacy registered [ 1.204046] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 1.204229] 9p: Installing v9fs 9p2000 file system support [ 1.244795] Key type asymmetric registered [ 1.244810] Asymmetric key parser 'x509' registered [ 1.244850] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 245) [ 1.244867] io scheduler mq-deadline registered [ 1.244879] io scheduler kyber registered [ 1.253988] gpio-427 (xirq0): hogged as input [ 1.254024] gpio-437 (xirq10): hogged as input [ 1.256150] uniphier-pcie 66000000.pcie: invalid resource [ 1.257038] EINJ: ACPI disabled. [ 1.273041] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.275558] 54006800.serial: ttyS0 at MMIO 0x54006800 (irq = 7, base_baud = 3676470) is a 16550A [ 2.195244] printk: console [ttyS0] enabled [ 2.200114] 54006a00.serial: ttyS2 at MMIO 0x54006a00 (irq = 8, base_baud = 3676470) is a 16550A [ 2.209472] 54006b00.serial: ttyS3 at MMIO 0x54006b00 (irq = 9, base_baud = 3676470) is a 16550A [ 2.219222] SuperH (H)SCI(F) driver initialized [ 2.224360] msm_serial: driver initialized [ 2.229969] cacheinfo: Unable to detect cache hierarchy for CPU 0 [ 2.243361] loop: module loaded [ 2.247520] megasas: 07.714.04.00-rc1 [ 2.256366] libphy: Fixed MDIO Bus: probed [ 2.261405] tun: Universal TUN/TAP device driver, 1.6 [ 2.267383] thunder_xcv, ver 1.0 [ 2.270667] thunder_bgx, ver 1.0 [ 2.273932] nicpf, ver 1.0 [ 2.277750] hclge is initializing [ 2.281131] hns3: Hisilicon Ethernet Network Driver for Hip08 Family - version [ 2.288386] hns3: Copyright (c) 2017 Huawei Corporation. [ 2.293763] e1000: Intel(R) PRO/1000 Network Driver [ 2.298658] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 2.304465] e1000e: Intel(R) PRO/1000 Network Driver [ 2.309451] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 2.315426] igb: Intel(R) Gigabit Ethernet Network Driver [ 2.320844] igb: Copyright (c) 2007-2014 Intel Corporation. [ 2.326467] igbvf: Intel(R) Gigabit Virtual Function Network Driver [ 2.332752] igbvf: Copyright (c) 2009 - 2012 Intel Corporation. [ 2.339037] sky2: driver version 1.30 [ 2.343674] ave 65000000.ethernet: Using random MAC address: 82:4d:4d:25:34:9d [ 2.474822] libphy: uniphier-mdio: probed [ 2.483088] RTL8211E Gigabit Ethernet 65000000.ethernet-ffffffff:00: attached PHY driver [RTL8211E Gigabit Ethernet] (mii_bus:phy_addr=65000000.ethernet-ffffffff:00, irq=POLL) [ 2.499197] ave 65000000.ethernet: Socionext AVE4 Ethernet IP v1.4 (irq=18, phy=rgmii) [ 2.507943] VFIO - User Level meta-driver version: 0.3 [ 2.516227] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 2.522832] ehci-pci: EHCI PCI platform driver [ 2.527335] ehci-platform: EHCI generic platform driver [ 2.532726] ehci-orion: EHCI orion driver [ 2.536867] ehci-exynos: EHCI Exynos driver [ 2.541158] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 2.547376] ohci-pci: OHCI PCI platform driver [ 2.551873] ohci-platform: OHCI generic platform driver [ 2.557223] ohci-exynos: OHCI Exynos driver [ 2.562108] usbcore: registered new interface driver usb-storage [ 2.570705] i2c /dev entries driver [ 2.582814] uniphier-wdt 61840000.sysctrl:watchdog: watchdog driver (timeout=64 sec, nowayout=0) [ 2.594503] sdhci: Secure Digital Host Controller Interface driver [ 2.600746] sdhci: Copyright(c) Pierre Ossman [ 2.605573] Synopsys Designware Multimedia Card Interface Driver [ 2.612587] sdhci-pltfm: SDHCI platform and OF driver helper [ 2.618719] sdhci-cdns 5a000000.mmc: allocated mmc-pwrseq [ 2.655708] mmc0: SDHCI controller on 5a000000.mmc [5a000000.mmc] using ADMA 64-bit [ 2.665301] ledtrig-cpu: registered to indicate activity on CPUs [ 2.672070] SMCCC: SOC_ID: ARCH_SOC_ID(0) returned error: ffffffffffffffff [ 2.679816] usbcore: registered new interface driver usbhid [ 2.685435] usbhid: USB HID core driver [ 2.692948] optee: probing for conduit method. [ 2.697452] optee: revision 3.8 (af141c61) [ 2.704614] optee: dynamic shared memory is enabled [ 2.755775] optee: initialized driver [ 2.761336] NET: Registered protocol family 17 [ 2.765987] 9pnet: Installing 9P2000 support [ 2.770332] Key type dns_resolver registered [ 2.774840] registered taskstats version 1 [ 2.778967] Loading compiled-in X.509 certificates [ 2.791384] mmc0: new HS200 MMC card at address 0001 [ 2.797156] mmcblk0: mmc0:0001 016G30 14.7 GiB [ 2.801188] uniphier-pcie 66000000.pcie: invalid resource [ 2.802087] mmcblk0boot0: mmc0:0001 016G30 partition 1 4.00 MiB [ 2.813353] mmcblk0boot1: mmc0:0001 016G30 partition 2 4.00 MiB [ 2.819480] mmcblk0rpmb: mmc0:0001 016G30 partition 3 4.00 MiB, chardev (234:0) [ 2.831986] mmcblk0: p1 p2 p3 p4 p5 [ 3.107392] uniphier-pcie 66000000.pcie: host bridge /soc@0/pcie@66000000 ranges: [ 3.114962] uniphier-pcie 66000000.pcie: IO 0x002ffe0000..0x002ffeffff -> 0x0000000000 [ 3.123457] uniphier-pcie 66000000.pcie: MEM 0x0020000000..0x002ffdffff -> 0x0020000000 [ 3.232144] uniphier-pcie 66000000.pcie: Link up [ 3.236912] uniphier-pcie 66000000.pcie: PCI host bridge to bus 0000:00 [ 3.243557] pci_bus 0000:00: root bus resource [bus 00-ff] [ 3.249068] pci_bus 0000:00: root bus resource [io 0x0000-0xffff] [ 3.255274] pci_bus 0000:00: root bus resource [mem 0x20000000-0x2ffdffff] [ 3.262206] pci 0000:00:00.0: [50c1:0001] type 01 class 0x060400 [ 3.268261] pci 0000:00:00.0: reg 0x10: [mem 0x00000000-0x03ffffff] [ 3.274564] pci 0000:00:00.0: reg 0x38: [mem 0x00000000-0x0000ffff pref] [ 3.281352] pci 0000:00:00.0: supports D1 [ 3.285380] pci 0000:00:00.0: PME# supported from D0 D1 D3hot D3cold [ 3.293567] pci 0000:01:00.0: [10ec:8168] type 00 class 0x020000 [ 3.299772] pci 0000:01:00.0: reg 0x10: [io 0x0000-0x00ff] [ 3.305503] pci 0000:01:00.0: reg 0x18: [mem 0x00000000-0x00000fff 64bit] [ 3.312410] pci 0000:01:00.0: reg 0x20: [mem 0x00000000-0x00003fff 64bit pref] [ 3.320290] pci 0000:01:00.0: supports D1 D2 [ 3.324582] pci 0000:01:00.0: PME# supported from D0 D1 D2 D3hot D3cold [ 3.343875] pci 0000:00:00.0: BAR 0: assigned [mem 0x20000000-0x23ffffff] [ 3.350700] pci 0000:00:00.0: BAR 14: assigned [mem 0x24000000-0x240fffff] [ 3.357603] pci 0000:00:00.0: BAR 15: assigned [mem 0x24100000-0x241fffff 64bit pref] [ 3.365462] pci 0000:00:00.0: BAR 6: assigned [mem 0x24200000-0x2420ffff pref] [ 3.372711] pci 0000:00:00.0: BAR 13: assigned [io 0x1000-0x1fff] [ 3.378919] pci 0000:01:00.0: BAR 4: assigned [mem 0x24100000-0x24103fff 64bit pref] [ 3.386762] pci 0000:01:00.0: BAR 2: assigned [mem 0x24000000-0x24000fff 64bit] [ 3.394164] pci 0000:01:00.0: BAR 0: assigned [io 0x1000-0x10ff] [ 3.400303] pci 0000:00:00.0: PCI bridge to [bus 01-ff] [ 3.405549] pci 0000:00:00.0: bridge window [io 0x1000-0x1fff] [ 3.411669] pci 0000:00:00.0: bridge window [mem 0x24000000-0x240fffff] [ 3.418484] pci 0000:00:00.0: bridge window [mem 0x24100000-0x241fffff 64bit pref] [ 3.426635] pcieport 0000:00:00.0: PME: Signaling with IRQ 24 [ 3.432638] pcieport 0000:00:00.0: AER: enabled with IRQ 24 [ 3.438585] r8169 0000:01:00.0: enabling device (0000 -> 0003) [ 3.448382] libphy: r8169: probed [ 3.452575] r8169 0000:01:00.0 eth1: RTL8168e/8111e, 7c:8b:ca:03:1f:33, XID 2c2, IRQ 25 [ 3.460628] r8169 0000:01:00.0 eth1: jumbo features [frames: 9194 bytes, tx checksumming: ko] [ 3.478193] xhci-hcd xhci-hcd.0.auto: xHCI Host Controller [ 3.483775] xhci-hcd xhci-hcd.0.auto: new USB bus registered, assigned bus number 1 [ 3.491643] xhci-hcd xhci-hcd.0.auto: hcc params 0x0230fe6d hci version 0x110 quirks 0x0000000002010010 [ 3.501129] xhci-hcd xhci-hcd.0.auto: irq 19, io mem 0x65a00000 [ 3.507936] hub 1-0:1.0: USB hub found [ 3.511732] hub 1-0:1.0: 4 ports detected [ 3.516166] xhci-hcd xhci-hcd.0.auto: xHCI Host Controller [ 3.521687] xhci-hcd xhci-hcd.0.auto: new USB bus registered, assigned bus number 2 [ 3.529386] xhci-hcd xhci-hcd.0.auto: Host supports USB 3.0 SuperSpeed [ 3.535993] usb usb2: We don't know the algorithms for LPM for this host, disabling LPM. [ 3.544539] hub 2-0:1.0: USB hub found [ 3.548330] hub 2-0:1.0: 2 ports detected [ 3.553185] ALSA device list: [ 3.556179] No soundcards found. [ 3.563862] Freeing unused kernel memory: 5696K [ 3.568513] Run /init as init process [ 3.572184] with arguments: [ 3.572186] /init [ 3.572188] with environment: [ 3.572191] HOME=/ [ 3.572193] TERM=linux [ 3.702799] udevd[151]: starting version 3.2.1 [ 3.707631] random: udevd: uninitialized urandom read (16 bytes read) [ 3.714216] random: udevd: uninitialized urandom read (16 bytes read) [ 3.720702] random: udevd: uninitialized urandom read (16 bytes read) [ 3.731790] udevd[152]: starting eudev-3.2.1 [ 3.848597] random: fast init done [ 3.854529] usb 1-4: new high-speed USB device number 2 using xhci-hcd [ 4.125374] splice write not supported for file (pid: 215 comm: cat) [ 4.266321] splice write not supported for file (pid: 263 comm: cat) [ 4.277542] splice write not supported for file (pid: 266 comm: cat) [ 4.284170] splice write not supported for file (pid: 266 comm: cat) [ 4.295556] splice write not supported for file (pid: 270 comm: cat) [ 4.307134] splice write not supported for file (pid: 273 comm: cat) [ 4.324074] splice write not supported for file (pid: 278 comm: cat) [ 4.335313] splice write not supported for file (pid: 281 comm: cat) [ 4.342004] splice write not supported for file (pid: 281 comm: cat) [ 4.353363] splice write not supported for file (pid: 285 comm: cat) root@akebi96:~# root@akebi96:~# lspci -vv 00:00.0 Class 0604: Device 50c1:0001 (rev 01) Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0 Interrupt: pin A routed to IRQ 24 Region 0: Memory at 20000000 (32-bit, non-prefetchable) [size=64M] Bus: primary=00, secondary=01, subordinate=ff, sec-latency=0 I/O behind bridge: 00001000-00001fff Memory behind bridge: 24000000-240fffff Prefetchable memory behind bridge: 0000000024100000-00000000241fffff Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR- [virtual] Expansion ROM at 24200000 [disabled] [size=64K] BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B- PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- Capabilities: [40] Power Management version 3 Flags: PMEClk- DSI- D1+ D2- AuxCurrent=375mA PME(D0+,D1+,D2-,D3hot+,D3cold+) Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- Capabilities: [50] MSI: Enable+ Count=1/1 Maskable+ 64bit+ Address: 00000000bbfff000 Data: 0000 Masking: 00000000 Pending: 00000000 Capabilities: [70] Express (v2) Root Port (Slot-), MSI 00 DevCap: MaxPayload 256 bytes, PhantFunc 0 ExtTag- RBE+ DevCtl: Report errors: Correctable+ Non-Fatal+ Fatal+ Unsupported+ RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop- MaxPayload 128 bytes, MaxReadReq 512 bytes DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend- LnkCap: Port #0, Speed 5GT/s, Width x1, ASPM L0s L1, Exit Latency L0s <1us, L1 <64us ClockPM- Surprise- LLActRep+ BwNot+ ASPMOptComp+ LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk+ ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive+ BWMgmt+ ABWMgmt- RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna+ CRSVisible- RootCap: CRSVisible- RootSta: PME ReqID 0000, PMEStatus- PMEPending- DevCap2: Completion Timeout: Range ABCD, TimeoutDis+, LTR+, OBFF Via message/WAKE# ARIFwd- DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-, LTR+, OBFF Disabled ARIFwd- LnkCtl2: Target Link Speed: 5GT/s, EnterCompliance- SpeedDis- Transmit Margin: Normal Operating Range, EnterModifiedCompliance- ComplianceSOS- Compliance De-emphasis: -6dB LnkSta2: Current De-emphasis Level: -3.5dB, EqualizationComplete-, EqualizationPhase1- EqualizationPhase2-, EqualizationPhase3-, LinkEqualizationRequest- Capabilities: [100 v2] Advanced Error Reporting UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol- UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol- UESvrt: DLP+ SDES+ TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol- CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr- CEMsk: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+ AERCap: First Error Pointer: 00, GenCap+ CGenEn- ChkCap+ ChkEn- Kernel driver in use: pcieport
01:00.0 Class 0200: Device 10ec:8168 (rev 06) Subsystem: Device 7470:3468 Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0, Cache Line Size: 64 bytes Interrupt: pin A routed to IRQ 23 Region 0: I/O ports at 1000 [size=256] Region 2: Memory at 24000000 (64-bit, non-prefetchable) [size=4K] Region 4: Memory at 24100000 (64-bit, prefetchable) [size=16K] Capabilities: [40] Power Management version 3 Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=375mA PME(D0+,D1+,D2+,D3hot+,D3cold+) Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME- Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit+ Address: 0000000000000000 Data: 0000 Capabilities: [70] Express (v2) Endpoint, MSI 01 DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <512ns, L1 <64us ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset- SlotPowerLimit 0.000W DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported- RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop- MaxPayload 128 bytes, MaxReadReq 512 bytes DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend- LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Exit Latency L0s <512ns, L1 <64us ClockPM+ Surprise- LLActRep- BwNot- ASPMOptComp- LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk+ ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt- DevCap2: Completion Timeout: Not Supported, TimeoutDis+, LTR-, OBFF Not Supported DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-, LTR-, OBFF Disabled LnkCtl2: Target Link Speed: 2.5GT/s, EnterCompliance- SpeedDis- Transmit Margin: Normal Operating Range, EnterModifiedCompliance- ComplianceSOS- Compliance De-emphasis: -6dB LnkSta2: Current De-emphasis Level: -6dB, EqualizationComplete-, EqualizationPhase1- EqualizationPhase2-, EqualizationPhase3-, LinkEqualizationRequest- Capabilities: [b0] MSI-X: Enable+ Count=4 Masked- Vector table: BAR=4 offset=00000000 PBA: BAR=4 offset=00000800 Capabilities: [d0] Vital Product Data Not readable Capabilities: [100 v1] Advanced Error Reporting UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol- UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol- UESvrt: DLP+ SDES+ TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol- CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr- CEMsk: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+ AERCap: First Error Pointer: 00, GenCap+ CGenEn- ChkCap+ ChkEn- Capabilities: [140 v1] Virtual Channel Caps: LPEVC=0 RefClk=100ns PATEntryBits=1 Arb: Fixed- WRR32- WRR64- WRR128- Ctrl: ArbSelect=Fixed Status: InProgress- VC0: Caps: PATOffset=00 MaxTimeSlots=1 RejSnoopTrans- Arb: Fixed- WRR32- WRR64- WRR128- TWRR128- WRR256- Ctrl: Enable+ ID=0 ArbSelect=Fixed TC/VC=ff Status: NegoPending- InProgress- Capabilities: [160 v1] Device Serial Number f8-45-00-00-68-4c-e0-00 Kernel driver in use: r8169
root@akebi96:~# cat /proc/interrupts [ 189.905575] do_splice_from: 3 callbacks suppressed [ 189.905588] splice write not supported for file /ttyS0 (pid: 383 comm: cat) CPU0 CPU1 CPU2 CPU3 1: 0 0 0 0 GICv3 25 Level vgic 3: 539 846 1110 1171 GICv3 30 Level arch_timer 4: 0 0 0 0 GICv3 27 Level kvm guest vtimer 7: 2078 0 0 0 GICv3 65 Level ttyS0 11: 0 0 0 0 GICv3 73 Level 58780000.i2c 12: 0 0 0 0 GICv3 74 Level 58781000.i2c 13: 0 0 0 0 GICv3 75 Level 58782000.i2c 14: 0 0 0 0 GICv3 57 Level 58785000.i2c 15: 702 0 0 0 GICv3 110 Level mmc0 17: 0 0 0 0 GICv3 35 Level thermal 18: 355 0 0 0 GICv3 98 Level eth0 19: 46 0 0 0 GICv3 166 Level xhci-hcd:usb1 24: 0 0 0 0 PCI-MSI 0 Edge PCIe PME, aerdrv 25: 0 0 0 0 PCI-MSI 524288 Edge eth1 IPI0: 375 508 409 457 Rescheduling interrupts IPI1: 288 275 541 413 Function call interrupts IPI2: 0 0 0 0 CPU stop interrupts IPI3: 0 0 0 0 CPU stop (for crash dump) interrupts IPI4: 0 0 0 0 Timer broadcast interrupts IPI5: 0 0 0 0 IRQ work interrupts IPI6: 0 0 0 0 CPU wake-up interrupts Err: 0 root@akebi96:~#
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