F: drivers/acpi/
F: drivers/pnp/pnpacpi/
F: include/linux/acpi.h
+F: include/linux/fwnode.h
F: include/acpi/
F: Documentation/acpi/
F: Documentation/ABI/testing/sysfs-bus-acpi
F: drivers/pci/*/*/*acpi*
F: tools/power/acpi/
+ACPI APEI
+F: drivers/acpi/apei/
+
ACPI COMPONENT ARCHITECTURE (ACPICA)
S: Maintained
F: drivers/acpi/arm64
+ACPI PMIC DRIVERS
+Q: https://patchwork.kernel.org/project/linux-acpi/list/
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
+B: https://bugzilla.kernel.org
+S: Supported
+F: drivers/acpi/pmic/
+
ACPI THERMAL DRIVER
F: drivers/input/mouse/alps.*
+ALTERA I2C CONTROLLER DRIVER
+S: Maintained
+F: drivers/i2c/busses/i2c-altera.c
+
ALTERA MAILBOX DRIVER
S: Supported
F: drivers/media/i2c/adv7180.c
+ANALOG DEVICES INC ADV748X DRIVER
+S: Maintained
+F: drivers/media/i2c/adv748x/*
+
ANALOG DEVICES INC ADV7511 DRIVER
F: drivers/android/
F: drivers/staging/android/
+ANDROID GOLDFISH RTC DRIVER
+S: Supported
+F: Documentation/devicetree/bindings/rtc/google,goldfish-rtc.txt
+F: drivers/rtc/rtc-goldfish.c
+
ANDROID ION DRIVER
F: arch/arm/mach-artpec
F: arch/arm/boot/dts/artpec6*
F: drivers/clk/axis
+F: drivers/crypto/axis
F: drivers/pinctrl/pinctrl-artpec*
F: Documentation/devicetree/bindings/pinctrl/axis,artpec6-pinctrl.txt
ARM/CORTINA SYSTEMS GEMINI ARM ARCHITECTURE
T: git git://github.com/ulli-kroll/linux.git
S: Maintained
+F: Documentation/devicetree/bindings/arm/gemini.txt
+F: Documentation/devicetree/bindings/pinctrl/cortina,gemini-pinctrl.txt
+F: Documentation/devicetree/bindings/rtc/faraday,ftrtc010.txt
F: arch/arm/mach-gemini/
+F: drivers/pinctrl/pinctrl-gemini.c
F: drivers/rtc/rtc-ftrtc010.c
ARM/CSR SIRFPRIMA2 MACHINE SUPPORT
S: Maintained
-F: drivers/phy/phy-mt65xx-usb3.c
+F: drivers/phy/mediatek/phy-mtk-tphy.c
ARM/MICREL KS8695 ARCHITECTURE
F: drivers/bus/uniphier-system-bus.c
F: drivers/clk/uniphier/
F: drivers/i2c/busses/i2c-uniphier*
+F: drivers/irqchip/irq-uniphier-aidet.c
F: drivers/pinctrl/uniphier/
F: drivers/reset/reset-uniphier.c
F: drivers/tty/serial/8250/8250_uniphier.c
ARM/ZTE ARCHITECTURE
S: Maintained
+F: arch/arm/boot/dts/zx2967*
F: arch/arm/mach-zx/
+F: arch/arm64/boot/dts/zte/
F: drivers/clk/zte/
+F: drivers/dma/zx_dma.c
+F: drivers/gpio/gpio-zx.c
+F: drivers/i2c/busses/i2c-zx2967.c
+F: drivers/mmc/host/dw_mmc-zx.*
+F: drivers/pinctrl/zte/
F: drivers/reset/reset-zx2967.c
F: drivers/soc/zte/
+F: drivers/thermal/zx2967_thermal.c
+F: drivers/watchdog/zx2967_wdt.c
F: Documentation/devicetree/bindings/arm/zte.txt
-F: Documentation/devicetree/bindings/clock/zx296702-clk.txt
+F: Documentation/devicetree/bindings/clock/zx2967*.txt
+F: Documentation/devicetree/bindings/dma/zxdma.txt
+F: Documentation/devicetree/bindings/gpio/zx296702-gpio.txt
+F: Documentation/devicetree/bindings/i2c/i2c-zx2967.txt
+F: Documentation/devicetree/bindings/mmc/zx-dw-mshc.txt
+F: Documentation/devicetree/bindings/pinctrl/pinctrl-zx.txt
F: Documentation/devicetree/bindings/reset/zte,zx2967-reset.txt
F: Documentation/devicetree/bindings/soc/zte/
-F: include/dt-bindings/soc/zx*.h
+F: Documentation/devicetree/bindings/sound/zte,*.txt
+F: Documentation/devicetree/bindings/thermal/zx2967-thermal.txt
+F: Documentation/devicetree/bindings/watchdog/zte,zx2967-wdt.txt
+F: include/dt-bindings/clock/zx2967*.h
+F: include/dt-bindings/soc/zte,*.h
+F: sound/soc/codecs/zx_aud96p22.c
+F: sound/soc/zte/
ARM/ZYNQ ARCHITECTURE
F: arch/arm64/
F: Documentation/arm64/
+AS3645A LED FLASH CONTROLLER DRIVER
+S: Maintained
+F: drivers/leds/leds-as3645a.c
+
AS3645A LED FLASH CONTROLLER DRIVER
-W: http://people.redhat.com/sgrubb/audit/
-T: git git://git.infradead.org/users/pcmoore/audit
-S: Maintained
+W: https://github.com/linux-audit
+W: https://people.redhat.com/sgrubb/audit
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit.git
+S: Supported
F: include/linux/audit.h
F: include/uapi/linux/audit.h
F: kernel/audit*
S: Supported
F: drivers/net/ethernet/adi/
-BLACKFIN I2C TWI DRIVER
-W: http://blackfin.uclinux.org/
-S: Supported
-F: drivers/i2c/busses/i2c-bfin-twi.c
-
BLACKFIN MEDIA DRIVER
F: drivers/rtc/rtc-bfin.c
BLACKFIN SDH DRIVER
W: http://blackfin.uclinux.org
S: Supported
F: drivers/mmc/host/bfin_sdh.c
BLACKFIN SERIAL DRIVER
W: http://blackfin.uclinux.org
S: Supported
F: drivers/scsi/bnx2i/
BROADCOM BNX2X 10 GIGABIT ETHERNET DRIVER
F: drivers/crypto/cavium/cpt/
CAVIUM THUNDERX2 ARM64 SOC
S: Maintained
F: include/trace/events/fs_dax.h
DIRECTORY NOTIFICATION (DNOTIFY)
S: Maintained
F: Documentation/filesystems/dnotify.txt
F: fs/notify/dnotify/
T: git git://git.infradead.org/users/hch/dma-mapping.git
W: http://git.infradead.org/users/hch/dma-mapping.git
S: Supported
F: drivers/gpu/drm/nouveau/
F: include/uapi/drm/nouveau_drm.h
+DRM DRIVER FOR PERVASIVE DISPLAYS REPAPER PANELS
+S: Maintained
+F: drivers/gpu/drm/tinydrm/repaper.c
+F: Documentation/devicetree/bindings/display/repaper.txt
+
DRM DRIVER FOR QEMU'S CIRRUS DEVICE
F: drivers/gpu/drm/sis/
F: include/uapi/drm/sis_drm.h
+DRM DRIVER FOR SITRONIX ST7586 PANELS
+S: Maintained
+F: drivers/gpu/drm/tinydrm/st7586.c
+F: Documentation/devicetree/bindings/display/st7586.txt
+
DRM DRIVER FOR TDFX VIDEO CARDS
S: Orphan / Obsolete
F: drivers/gpu/drm/tdfx/
F: include/drm/drm_panel.h
F: Documentation/devicetree/bindings/display/panel/
+DRM TINYDRM DRIVERS
+W: https://github.com/notro/tinydrm/wiki/Development
+T: git git://anongit.freedesktop.org/drm/drm-misc
+S: Maintained
+F: drivers/gpu/drm/tinydrm/
+F: include/drm/tinydrm/
+
DSBR100 USB FM RADIO DRIVER
F: drivers/hwmon/f71805f.c
FANOTIFY
S: Maintained
F: fs/notify/fanotify/
F: include/linux/fanotify.h
FPGA MANAGER FRAMEWORK
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/atull/linux-fpga.git
+Q: http://patchwork.kernel.org/project/linux-fpga/list/
F: Documentation/fpga/
F: Documentation/devicetree/bindings/fpga/
F: drivers/fpga/
F: Documentation/acpi/gpio-properties.txt
F: drivers/gpio/gpiolib-acpi.c
+GPIO IR Transmitter
+S: Maintained
+F: drivers/media/rc/gpio-ir-tx.c
+
GPIO MOCKUP DRIVER
F: include/linux/cciss*.h
F: include/uapi/linux/cciss*.h
-HEWLETT-PACKARD SMART CISS RAID DRIVER (cciss)
-S: Supported
-F: Documentation/blockdev/cciss.txt
-F: drivers/block/cciss*
-F: include/linux/cciss_ioctl.h
-F: include/uapi/linux/cciss_ioctl.h
-
HFI1 DRIVER
F: net/802/hippi.c
F: drivers/net/hippi/
-HISILICON NETWORK SUBSYSTEM DRIVER
+HISILICON NETWORK SUBSYSTEM 3 DRIVER (HNS3)
W: http://www.hisilicon.com
S: Maintained
-F: drivers/net/ethernet/hisilicon/
-F: Documentation/devicetree/bindings/net/hisilicon*.txt
+F: drivers/net/ethernet/hisilicon/hns3/
-HISILICON NETWORK SUBSYSTEM 3 DRIVER (HNS3)
+HISILICON NETWORK SUBSYSTEM DRIVER
W: http://www.hisilicon.com
S: Maintained
-F: drivers/net/ethernet/hisilicon/hns3/
+F: drivers/net/ethernet/hisilicon/
+F: Documentation/devicetree/bindings/net/hisilicon*.txt
HISILICON ROCE DRIVER
F: drivers/scsi/hisi_sas/
F: Documentation/devicetree/bindings/scsi/hisilicon-sas.txt
+HMM - Heterogeneous Memory Management
+S: Maintained
+F: mm/hmm*
+F: include/linux/hmm*
+
HOST AP DRIVER
S: Maintained
F: drivers/input/touchscreen/htcpen.c
+HUAWEI ETHERNET DRIVER
+S: Supported
+F: Documentation/networking/hinic.txt
+F: drivers/net/ethernet/huawei/hinic/
+
HUGETLB FILESYSTEM
S: Maintained
S: Maintained
F: Documentation/networking/netvsc.txt
F: arch/x86/include/asm/mshyperv.h
+F: arch/x86/include/asm/trace/hyperv.h
F: arch/x86/include/uapi/asm/hyperv.h
F: arch/x86/kernel/cpu/mshyperv.c
F: arch/x86/hyperv
F: drivers/scsi/storvsc_drv.c
F: drivers/uio/uio_hv_generic.c
F: drivers/video/fbdev/hyperv_fb.c
+F: net/vmw_vsock/hyperv_transport.c
F: include/linux/hyperv.h
+F: include/uapi/linux/hyperv.h
F: tools/hv/
F: Documentation/ABI/stable/sysfs-bus-vmbus
F: drivers/i2c/busses/i2c-via.c
F: drivers/i2c/busses/i2c-viapro.c
+I2C/SMBUS INTEL CHT WHISKEY COVE PMIC DRIVER
+S: Maintained
+F: drivers/i2c/busses/i2c-cht-wc.c
+
I2C/SMBUS ISMT DRIVER
S: Supported
F: drivers/net/ethernet/ibm/ibmvnic.*
+IBM Power Virtual Accelerator Switchboard
+M: Sukadev Bhattiprolu
+S: Supported
+F: arch/powerpc/platforms/powernv/vas*
+F: arch/powerpc/platforms/powernv/copy-paste.h
+F: arch/powerpc/include/asm/vas.h
+F: arch/powerpc/include/uapi/asm/vas.h
+
IBM Power Virtual Ethernet Device Driver
W: http://wpan.cakelab.org/
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth.git
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/sschmidt/wpan.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/sschmidt/wpan-next.git
S: Maintained
F: net/ieee802154/
F: net/mac802154/
F: drivers/mtd/nand/jz4780_*
INOTIFY
S: Maintained
F: Documentation/filesystems/inotify.txt
F: fs/notify/inotify/
F: drivers/scsi/isci/
INTEL DRM DRIVERS (excluding Poulsbo, Moorestown and derivative chipsets)
W: https://01.org/linuxgraphics/
B: https://01.org/linuxgraphics/documentation/how-report-bugs
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/sameo/irda-2.6.git
F: Documentation/networking/irda.txt
-F: drivers/net/irda/
-F: include/net/irda/
-F: net/irda/
+F: drivers/staging/irda/
IRQ DOMAINS (IRQ NUMBER MAPPING LIBRARY)
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq/core
-T: git git://git.infradead.org/users/jcooper/linux.git irqchip/core
F: Documentation/devicetree/bindings/interrupt-controller/
F: drivers/irqchip/
F: tools/testing/selftests/
F: Documentation/dev-tools/kselftest*
+KERNEL USERMODE HELPER
+S: Maintained
+F: kernel/umh.c
+F: include/linux/umh.h
+
KERNEL VIRTUAL MACHINE (KVM)
W: http://www.linux-kvm.org
T: git git://git.kernel.org/pub/scm/virt/kvm/kvm.git
S: Supported
-F: Documentation/*/kvm*.txt
F: Documentation/virtual/kvm/
-F: arch/*/kvm/
-F: arch/x86/kernel/kvm.c
-F: arch/x86/kernel/kvmclock.c
-F: arch/*/include/asm/kvm*
-F: include/linux/kvm*
+F: include/trace/events/kvm.h
+F: include/uapi/asm-generic/kvm*
F: include/uapi/linux/kvm*
-F: virt/kvm/
+F: include/asm-generic/kvm*
+F: include/linux/kvm*
+F: include/kvm/iodev.h
+F: virt/kvm/*
F: tools/kvm/
-KERNEL VIRTUAL MACHINE (KVM) FOR AMD-V
+KERNEL VIRTUAL MACHINE FOR AMD-V (KVM/amd)
W: http://www.linux-kvm.org/
F: arch/x86/include/asm/svm.h
F: arch/x86/kvm/svm.c
-KERNEL VIRTUAL MACHINE (KVM) FOR ARM
+KERNEL VIRTUAL MACHINE FOR ARM (KVM/arm)
F: virt/kvm/arm/
F: include/kvm/arm_*
-KERNEL VIRTUAL MACHINE (KVM) FOR POWERPC
-W: http://www.linux-kvm.org/
-T: git git://github.com/agraf/linux-2.6.git
-S: Supported
-F: arch/powerpc/include/asm/kvm*
-F: arch/powerpc/kvm/
-
KERNEL VIRTUAL MACHINE FOR ARM64 (KVM/arm64)
F: arch/mips/include/asm/kvm*
F: arch/mips/kvm/
+KERNEL VIRTUAL MACHINE FOR POWERPC (KVM/powerpc)
+W: http://www.linux-kvm.org/
+T: git git://github.com/agraf/linux-2.6.git
+S: Supported
+F: arch/powerpc/include/uapi/asm/kvm*
+F: arch/powerpc/include/asm/kvm*
+F: arch/powerpc/kvm/
+F: arch/powerpc/kernel/kvm*
+
KERNEL VIRTUAL MACHINE for s390 (KVM/s390)
W: http://www.ibm.com/developerworks/linux/linux390/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux.git
S: Supported
-F: Documentation/s390/kvm.txt
+F: arch/s390/include/uapi/asm/kvm*
+F: arch/s390/include/asm/gmap.h
F: arch/s390/include/asm/kvm*
F: arch/s390/kvm/
F: arch/s390/mm/gmap.c
+KERNEL VIRTUAL MACHINE FOR X86 (KVM/x86)
+W: http://www.linux-kvm.org
+T: git git://git.kernel.org/pub/scm/virt/kvm/kvm.git
+S: Supported
+F: arch/x86/kvm/
+F: arch/x86/include/uapi/asm/kvm*
+F: arch/x86/include/asm/kvm*
+F: arch/x86/kernel/kvm.c
+F: arch/x86/kernel/kvmclock.c
+
KERNFS
F: mm/kmemleak.c
F: mm/kmemleak-test.c
-KMOD MODULE USERMODE HELPER
+KMOD KERNEL MODULE LOADER - USERMODE HELPER
S: Maintained
S: Maintained
F: arch/mips/lantiq
+F: drivers/soc/lantiq
LAPB module
S: Maintained
F: drivers/media/dvb-frontends/lgdt3305.*
-LGUEST
-W: http://lguest.ozlabs.org/
-S: Odd Fixes
-F: arch/x86/include/asm/lguest*.h
-F: arch/x86/lguest/
-F: drivers/lguest/
-F: include/linux/lguest*.h
-F: tools/lguest/
-
LIBATA PATA ARASAN COMPACT FLASH CONTROLLER
F: drivers/rtc/rtc-opal.c
F: drivers/scsi/ibmvscsi/
F: drivers/tty/hvc/hvc_opal.c
+F: drivers/watchdog/wdrtas.c
F: tools/testing/selftests/powerpc
N: /pmac
N: powermac
S: Supported
F: drivers/media/dvb-frontends/cxd2841er*
+MEDIA DRIVERS FOR DIGITAL DEVICES PCIE DEVICES
+W: https://linuxtv.org
+T: git git://linuxtv.org/media_tree.git
+S: Maintained
+F: drivers/media/pci/ddbridge/*
+
MEDIA DRIVERS FOR FREESCALE IMX
S: Supported
F: drivers/media/dvb-frontends/lnbh25*
+MEDIA DRIVERS FOR MXL5XX TUNER DEMODULATORS
+W: https://linuxtv.org
+T: git git://linuxtv.org/media_tree.git
+S: Maintained
+F: drivers/media/dvb-frontends/mxl5xx*
+
MEDIA DRIVERS FOR NETUP PCI UNIVERSAL DVB devices
F: Documentation/devicetree/bindings/media/renesas,vsp1.txt
F: drivers/media/platform/vsp1/
+MEDIA DRIVERS FOR ST STV0910 DEMODULATOR ICs
+W: https://linuxtv.org
+T: git git://linuxtv.org/media_tree.git
+S: Maintained
+F: drivers/media/dvb-frontends/stv0910*
+
+MEDIA DRIVERS FOR ST STV6111 TUNER ICs
+W: https://linuxtv.org
+T: git git://linuxtv.org/media_tree.git
+S: Maintained
+F: drivers/media/dvb-frontends/stv6111*
+
MEDIA INPUT INFRASTRUCTURE (V4L/DVB)
F: include/uapi/linux/ivtv*
F: include/uapi/linux/uvcvideo.h
+MEDIATEK CIR DRIVER
+S: Maintained
+F: drivers/media/rc/mtk-cir.c
+
MEDIATEK ETHERNET DRIVER
S: Maintained
F: drivers/char/hw_random/mtk-rng.c
+MEDIATEK USB3 DRD IP DRIVER
+S: Maintained
+F: drivers/usb/mtu3/
+
MEGACHIPS STDPXXXX-GE-B850V3-FW LVDS/DP++ BRIDGES
S: Supported
-F: kernel/membarrier.c
+F: kernel/sched/membarrier.c
F: include/uapi/linux/membarrier.h
MEMORY MANAGEMENT
F: drivers/hwmon/menf21bmc_hwmon.c
F: Documentation/hwmon/menf21bmc
+MESON AO CEC DRIVER FOR AMLOGIC SOCS
+W: http://linux-meson.com/
+S: Supported
+F: drivers/media/platform/meson/ao-cec.c
+F: Documentation/devicetree/bindings/media/meson-ao-cec.txt
+T: git git://linuxtv.org/media_tree.git
+
METAG ARCHITECTURE
F: drivers/dma/at_hdmac_regs.h
F: include/linux/platform_data/dma-atmel.h
+MICROCHIP / ATMEL ECC DRIVER
+S: Maintained
+F: drivers/crypto/atmel-ecc.*
+
MICROCHIP / ATMEL ISC DRIVER
S: Supported
F: arch/mips/generic/
+F: arch/mips/tools/generic-board-config.sh
MIPS/LOONGSON1 ARCHITECTURE
F: drivers/*/*loongson1*
F: drivers/*/*/*loongson1*
+MIPS RINT INSTRUCTION EMULATION
+S: Supported
+F: arch/mips/math-emu/sp_rint.c
+F: arch/mips/math-emu/dp_rint.c
+
MIROSOUND PCM20 FM RADIO RECEIVER DRIVER
T: git git://git.infradead.org/l2-mtd.git nand/next
S: Maintained
F: drivers/mtd/nand/
-F: include/linux/mtd/nand*.h
+F: include/linux/mtd/*nand*.h
NATIVE INSTRUMENTS USB SOUND INTERFACE DRIVER
F: net/netfilter/
F: net/bridge/br_netfilter*.c
-NETLABEL
-W: http://netlabel.sf.net
-S: Maintained
-F: Documentation/netlabel/
-F: include/net/netlabel.h
-F: net/netlabel/
-
NETROM NETWORK LAYER
F: include/net/ip*
F: arch/x86/net/*
-NETWORKING [LABELED] (NetLabel, CIPSO, Labeled IPsec, SECMARK)
+NETWORKING [LABELED] (NetLabel, Labeled IPsec, SECMARK)
+W: https://github.com/netlabel
S: Maintained
+F: Documentation/netlabel/
+F: include/net/calipso.h
+F: include/net/cipso_ipv4.h
+F: include/net/netlabel.h
+F: include/uapi/linux/netfilter/xt_SECMARK.h
+F: include/uapi/linux/netfilter/xt_CONNSECMARK.h
+F: net/netlabel/
+F: net/ipv4/cipso_ipv4.c
+F: net/ipv6/calipso.c
+F: net/netfilter/xt_CONNSECMARK.c
+F: net/netfilter/xt_SECMARK.c
NETWORKING [TLS]
S: Maintained
F: drivers/nvmem/
F: Documentation/devicetree/bindings/nvmem/
+F: Documentation/ABI/stable/sysfs-bus-nvmem
F: include/linux/nvmem-consumer.h
F: include/linux/nvmem-provider.h
F: drivers/regulator/twl6030-regulator.c
F: include/linux/i2c-omap.h
+ONION OMEGA2+ BOARD
+S: Maintained
+F: arch/mips/boot/dts/ralink/omega2p.dts
+
OMFS FILESYSTEM
F: drivers/media/i2c/ov5640.c
OMNIVISION OV5647 SENSOR DRIVER
-M: Ramiro Oliveira <roliveir@synopsys.com>
+M: Luis Oliveira <lolivei@synopsys.com>
T: git git://linuxtv.org/media_tree.git
S: Maintained
F: Documentation/parport*.txt
PARAVIRT_OPS INTERFACE
S: Supported
F: Documentation/virtual/paravirt_ops.txt
F: arch/*/kernel/paravirt*
-F: arch/*/include/asm/paravirt.h
+F: arch/*/include/asm/paravirt*.h
F: include/linux/hypervisor.h
PARIDE DRIVERS FOR PARALLEL PORT IDE DEVICES
PCI DRIVER FOR INTEL VOLUME MANAGEMENT DEVICE (VMD)
S: Supported
F: drivers/pci/host/vmd.c
S: Maintained
F: drivers/pci/dwc/pci-exynos.c
-PCI DRIVER FOR SYNOPSIS DESIGNWARE
+PCI DRIVER FOR SYNOPSYS DESIGNWARE
S: Maintained
F: Documentation/pps/
+F: Documentation/devicetree/bindings/pps/pps-gpio.txt
+F: Documentation/ABI/testing/sysfs-pps
F: drivers/pps/
F: include/linux/pps*.h
+F: include/uapi/linux/pps.h
PPTP DRIVER
T: git git://linuxtv.org/media_tree.git
S: Maintained
F: drivers/media/usb/pulse8-cec/*
+F: Documentation/media/cec-drivers/pulse8-cec.rst
PVRUSB2 VIDEO4LINUX DRIVER
F: Documentation/hwmon/pwm-fan
F: drivers/hwmon/pwm-fan.c
+PWM IR Transmitter
+S: Maintained
+F: drivers/media/rc/pwm-ir-tx.c
+
PWM SUBSYSTEM
F: drivers/scsi/qedi/
QLOGIC QL4xxx ETHERNET DRIVER
QLOGIC QL4xxx RDMA DRIVER
S: Supported
S: Supported
F: drivers/net/wireless/ath/ath9k/
+QUALCOMM CAMERA SUBSYSTEM DRIVER
+S: Maintained
+F: Documentation/devicetree/bindings/media/qcom,camss.txt
+F: Documentation/media/v4l-drivers/qcom_camss.rst
+F: drivers/media/platform/qcom/camss-8x16/
+
QUALCOMM EMAC GIGABIT ETHERNET DRIVER
S: Supported
F: arch/hexagon/
+QUALCOMM IOMMU
+S: Maintained
+F: drivers/iommu/qcom_iommu.c
+
QUALCOMM VENUS VIDEO ACCELERATOR DRIVER
S: Supported
F: arch/x86/kernel/cpu/intel_rdt*
-F: arch/x86/include/asm/intel_rdt*
+F: arch/x86/include/asm/intel_rdt_sched.h
F: Documentation/x86/intel_rdt*
READ-COPY UPDATE (RCU)
+F: Documentation/devicetree/bindings/net/renesas,*.txt
+F: Documentation/devicetree/bindings/net/sh_eth.txt
F: drivers/net/ethernet/renesas/
F: include/linux/sh_eth.h
S: Odd Fixes
F: drivers/tty/serial/rp2.*
+ROHM MULTIFUNCTION BD9571MWV-M PMIC DEVICE DRIVERS
+S: Supported
+F: drivers/mfd/bd9571mwv.c
+F: drivers/regulator/bd9571mwv-regulator.c
+F: drivers/gpio/gpio-bd9571mwv.c
+F: include/linux/mfd/bd9571mwv.h
+F: Documentation/devicetree/bindings/mfd/bd9571mwv.txt
+
ROSE NETWORK LAYER
S390 ZFCP DRIVER
W: http://www.ibm.com/developerworks/linux/linux390/
S: Supported
-W: http://selinuxproject.org
-T: git git://git.infradead.org/users/pcmoore/selinux
+W: https://selinuxproject.org
+W: https://github.com/SELinuxProject
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux.git
S: Supported
F: include/linux/selinux*
F: security/selinux/
F: drivers/tty/serial/sunsu.c
F: drivers/tty/serial/sunzilog.c
F: drivers/tty/serial/sunzilog.h
+F: drivers/tty/vcc.c
SPARSE CHECKER
S: Odd Fixes
F: drivers/net/ethernet/adaptec/starfire*
+STEC S1220 SKD DRIVER
+S: Maintained
+F: drivers/block/skd*[ch]
+
STI CEC DRIVER
S: Maintained
F: drivers/tty/serial/arc_uart.c
T: git git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc.git
+SYNOPSYS ARC HSDK SDP pll clock driver
+S: Supported
+F: drivers/clk/clk-hsdk-pll.c
+F: Documentation/devicetree/bindings/clock/snps,hsdk-pll-clock.txt
+
+SYNOPSYS ARC SDP clock driver
+S: Supported
+F: drivers/clk/axs10x/*
+F: Documentation/devicetree/bindings/clock/snps,pll-clock.txt
+
SYNOPSYS ARC SDP platform support
S: Supported
S: Maintained
F: drivers/mmc/host/dw_mmc*
+SYNOPSYS HSDK RESET CONTROLLER DRIVER
+S: Supported
+F: drivers/reset/reset-hsdk-v1.c
+F: include/dt-bindings/reset/snps,hsdk-v1-reset.h
+F: Documentation/devicetree/bindings/reset/snps,hsdk-v1-reset.txt
+
SYSTEM CONFIGURATION (SYSCON)
S: Maintained
F: drivers/thunderbolt/
+THUNDERX GPIO DRIVER
+S: Maintained
+F: drivers/gpio/gpio-thunderx.c
+
TI AM437X VPFE DRIVER
F: drivers/scsi/ufs/
UNIVERSAL FLASH STORAGE HOST CONTROLLER DRIVER DWC HOOKS
S: Supported
F: drivers/scsi/ufs/*dwc*
S: Maintained
F: drivers/net/vmxnet3/
+VOCORE VOCORE2 BOARD
+S: Maintained
+F: arch/mips/boot/dts/ralink/vocore2.dts
+
VOLTAGE AND CURRENT REGULATOR FRAMEWORK
#include <rdma/ib_verbs.h>
#include <rdma/ib_addr.h>
#include <rdma/ib_user_verbs.h>
+ #include <rdma/iw_cm.h>
+ #include <rdma/ib_mad.h>
#include <linux/netdevice.h>
#include <linux/iommu.h>
#include <linux/pci.h>
#include <net/addrconf.h>
+ #include <linux/idr.h>
#include <linux/qed/qed_chain.h>
#include <linux/qed/qed_if.h>
#include "qedr.h"
#include "verbs.h"
#include <rdma/qedr-abi.h>
+ #include "qedr_iw_cm.h"
MODULE_DESCRIPTION("QLogic 40G/100G ROCE Driver");
MODULE_AUTHOR("QLogic Corporation");
MODULE_LICENSE("Dual BSD/GPL");
-MODULE_VERSION(QEDR_MODULE_VERSION);
#define QEDR_WQ_MULTIPLIER_DFT (3)
return IB_LINK_LAYER_ETHERNET;
}
-static void qedr_get_dev_fw_str(struct ib_device *ibdev, char *str,
- size_t str_len)
+static void qedr_get_dev_fw_str(struct ib_device *ibdev, char *str)
{
struct qedr_dev *qedr = get_qedr_dev(ibdev);
u32 fw_ver = (u32)qedr->attr.fw_ver;
- snprintf(str, str_len, "%d. %d. %d. %d",
+ snprintf(str, IB_FW_VERSION_NAME_MAX, "%d. %d. %d. %d",
(fw_ver >> 24) & 0xFF, (fw_ver >> 16) & 0xFF,
(fw_ver >> 8) & 0xFF, fw_ver & 0xFF);
}
return qdev->ndev;
}
+ int qedr_roce_port_immutable(struct ib_device *ibdev, u8 port_num,
+ struct ib_port_immutable *immutable)
+ {
+ struct ib_port_attr attr;
+ int err;
+
+ err = qedr_query_port(ibdev, port_num, &attr);
+ if (err)
+ return err;
+
+ immutable->pkey_tbl_len = attr.pkey_tbl_len;
+ immutable->gid_tbl_len = attr.gid_tbl_len;
+ immutable->core_cap_flags = RDMA_CORE_PORT_IBA_ROCE |
+ RDMA_CORE_PORT_IBA_ROCE_UDP_ENCAP;
+ immutable->max_mad_size = IB_MGMT_MAD_SIZE;
+
+ return 0;
+ }
+
+ int qedr_iw_port_immutable(struct ib_device *ibdev, u8 port_num,
+ struct ib_port_immutable *immutable)
+ {
+ struct ib_port_attr attr;
+ int err;
+
+ err = qedr_query_port(ibdev, port_num, &attr);
+ if (err)
+ return err;
+
+ immutable->pkey_tbl_len = 1;
+ immutable->gid_tbl_len = 1;
+ immutable->core_cap_flags = RDMA_CORE_PORT_IWARP;
+ immutable->max_mad_size = 0;
+
+ return 0;
+ }
+
+ int qedr_iw_register_device(struct qedr_dev *dev)
+ {
+ dev->ibdev.node_type = RDMA_NODE_RNIC;
+ dev->ibdev.query_gid = qedr_iw_query_gid;
+
+ dev->ibdev.get_port_immutable = qedr_iw_port_immutable;
+
+ dev->ibdev.iwcm = kzalloc(sizeof(*dev->ibdev.iwcm), GFP_KERNEL);
+ if (!dev->ibdev.iwcm)
+ return -ENOMEM;
+
+ dev->ibdev.iwcm->connect = qedr_iw_connect;
+ dev->ibdev.iwcm->accept = qedr_iw_accept;
+ dev->ibdev.iwcm->reject = qedr_iw_reject;
+ dev->ibdev.iwcm->create_listen = qedr_iw_create_listen;
+ dev->ibdev.iwcm->destroy_listen = qedr_iw_destroy_listen;
+ dev->ibdev.iwcm->add_ref = qedr_iw_qp_add_ref;
+ dev->ibdev.iwcm->rem_ref = qedr_iw_qp_rem_ref;
+ dev->ibdev.iwcm->get_qp = qedr_iw_get_qp;
+
+ memcpy(dev->ibdev.iwcm->ifname,
+ dev->ndev->name, sizeof(dev->ibdev.iwcm->ifname));
+
+ return 0;
+ }
+
+ void qedr_roce_register_device(struct qedr_dev *dev)
+ {
+ dev->ibdev.node_type = RDMA_NODE_IB_CA;
+ dev->ibdev.query_gid = qedr_query_gid;
+
+ dev->ibdev.add_gid = qedr_add_gid;
+ dev->ibdev.del_gid = qedr_del_gid;
+
+ dev->ibdev.get_port_immutable = qedr_roce_port_immutable;
+ }
+
static int qedr_register_device(struct qedr_dev *dev)
{
+ int rc;
+
strlcpy(dev->ibdev.name, "qedr%d", IB_DEVICE_NAME_MAX);
dev->ibdev.node_guid = dev->attr.node_guid;
QEDR_UVERBS(POST_SEND) |
QEDR_UVERBS(POST_RECV);
+ if (IS_IWARP(dev)) {
+ rc = qedr_iw_register_device(dev);
+ if (rc)
+ return rc;
+ } else {
+ qedr_roce_register_device(dev);
+ }
+
dev->ibdev.phys_port_cnt = 1;
dev->ibdev.num_comp_vectors = dev->num_cnq;
- dev->ibdev.node_type = RDMA_NODE_IB_CA;
dev->ibdev.query_device = qedr_query_device;
dev->ibdev.query_port = qedr_query_port;
dev->ibdev.modify_port = qedr_modify_port;
- dev->ibdev.query_gid = qedr_query_gid;
- dev->ibdev.add_gid = qedr_add_gid;
- dev->ibdev.del_gid = qedr_del_gid;
-
dev->ibdev.alloc_ucontext = qedr_alloc_ucontext;
dev->ibdev.dealloc_ucontext = qedr_dealloc_ucontext;
dev->ibdev.mmap = qedr_mmap;
dev->ibdev.post_recv = qedr_post_recv;
dev->ibdev.process_mad = qedr_process_mad;
- dev->ibdev.get_port_immutable = qedr_port_immutable;
+
dev->ibdev.get_netdev = qedr_get_netdev;
dev->ibdev.dev.parent = &dev->pdev->dev;
{
int i;
+ if (IS_IWARP(dev))
+ destroy_workqueue(dev->iwarp_wq);
+
for (i = 0; i < dev->num_cnq; i++) {
qedr_free_mem_sb(dev, &dev->sb_array[i], dev->sb_start + i);
dev->ops->common->chain_free(dev->cdev, &dev->cnq_array[i].pbl);
spin_lock_init(&dev->sgid_lock);
+ if (IS_IWARP(dev)) {
+ spin_lock_init(&dev->idr_lock);
+ idr_init(&dev->qpidr);
+ dev->iwarp_wq = create_singlethread_workqueue("qedr_iwarpq");
+ }
+
/* Allocate Status blocks for CNQ */
dev->sb_array = kcalloc(dev->num_cnq, sizeof(*dev->sb_array),
GFP_KERNEL);
in_params->events = &events;
in_params->cq_mode = QED_RDMA_CQ_MODE_32_BITS;
in_params->max_mtu = dev->ndev->mtu;
+ dev->iwarp_max_mtu = dev->ndev->mtu;
ether_addr_copy(&in_params->mac_addr[0], dev->ndev->dev_addr);
rc = dev->ops->rdma_init(dev->cdev, in_params);
if (rc)
goto init_err;
+ dev->user_dpm_enabled = dev_info.user_dpm_enabled;
dev->num_hwfns = dev_info.common.num_hwfns;
dev->rdma_ctx = dev->ops->rdma_get_rdma_ctx(cdev);
#define __QEDR_H__
#include <linux/pci.h>
+ #include <linux/idr.h>
#include <rdma/ib_addr.h>
#include <linux/qed/qed_if.h>
#include <linux/qed/qed_chain.h>
#include <linux/qed/roce_common.h>
#include "qedr_hsi_rdma.h"
-#define QEDR_MODULE_VERSION "8.10.10.0"
#define QEDR_NODE_DESC "QLogic 579xx RoCE HCA"
#define DP_NAME(dev) ((dev)->ibdev.name)
+ #define IS_IWARP(_dev) ((_dev)->rdma_type == QED_RDMA_TYPE_IWARP)
+ #define IS_ROCE(_dev) ((_dev)->rdma_type == QED_RDMA_TYPE_ROCE)
#define DP_DEBUG(dev, module, fmt, ...) \
pr_debug("(%s) " module ": " fmt, \
#define QEDR_MSG_SQ " SQ"
#define QEDR_MSG_QP " QP"
#define QEDR_MSG_GSI " GSI"
+ #define QEDR_MSG_IWARP " IW"
#define QEDR_CQ_MAGIC_NUMBER (0x11223344)
struct qedr_cq *gsi_sqcq;
struct qedr_cq *gsi_rqcq;
struct qedr_qp *gsi_qp;
+ enum qed_rdma_type rdma_type;
+ spinlock_t idr_lock; /* Protect qpidr data-structure */
+ struct idr qpidr;
+ struct workqueue_struct *iwarp_wq;
+ u16 iwarp_max_mtu;
unsigned long enet_state;
+
+ u8 user_dpm_enabled;
};
#define QEDR_MAX_SQ_PBL (0x8000)
/* DB */
void __iomem *db;
union db_prod32 db_data;
+
+ void __iomem *iwarp_db2;
+ union db_prod32 iwarp_db2_data;
};
#define QEDR_INC_SW_IDX(p_info, index) \
struct qedr_qp {
struct ib_qp ibqp; /* must be first */
struct qedr_dev *dev;
-
+ struct qedr_iw_ep *ep;
struct qedr_qp_hwq_info sq;
struct qedr_qp_hwq_info rq;
/* Relevant to qps created from user space only (applications) */
struct qedr_userq usq;
struct qedr_userq urq;
+ atomic_t refcnt;
+ bool destroyed;
};
struct qedr_ah {
return 0;
}
+ struct qedr_iw_listener {
+ struct qedr_dev *dev;
+ struct iw_cm_id *cm_id;
+ int backlog;
+ void *qed_handle;
+ };
+
+ struct qedr_iw_ep {
+ struct qedr_dev *dev;
+ struct iw_cm_id *cm_id;
+ struct qedr_qp *qp;
+ void *qed_context;
+ u8 during_connect;
+ };
+
static inline
struct qedr_ucontext *get_qedr_ucontext(struct ib_ucontext *ibucontext)
{
#include "qedr.h"
#include "verbs.h"
#include <rdma/qedr-abi.h>
- #include "qedr_cm.h"
+ #include "qedr_roce_cm.h"
#define DB_ADDR_SHIFT(addr) ((addr) << DB_PWM_ADDR_OFFSET_SHIFT)
return 0;
}
+ int qedr_iw_query_gid(struct ib_device *ibdev, u8 port,
+ int index, union ib_gid *sgid)
+ {
+ struct qedr_dev *dev = get_qedr_dev(ibdev);
+
+ memset(sgid->raw, 0, sizeof(sgid->raw));
+ ether_addr_copy(sgid->raw, dev->ndev->dev_addr);
+
+ DP_DEBUG(dev, QEDR_MSG_INIT, "QUERY sgid[%d]=%llx:%llx\n", index,
+ sgid->global.interface_id, sgid->global.subnet_prefix);
+
+ return 0;
+ }
+
int qedr_query_gid(struct ib_device *ibdev, u8 port, int index,
union ib_gid *sgid)
{
attr->sm_lid = 0;
attr->sm_sl = 0;
attr->port_cap_flags = IB_PORT_IP_BASED_GIDS;
- attr->gid_tbl_len = QEDR_MAX_SGID;
- attr->pkey_tbl_len = QEDR_ROCE_PKEY_TABLE_LEN;
+ if (rdma_protocol_iwarp(&dev->ibdev, 1)) {
+ attr->gid_tbl_len = 1;
+ attr->pkey_tbl_len = 1;
+ } else {
+ attr->gid_tbl_len = QEDR_MAX_SGID;
+ attr->pkey_tbl_len = QEDR_ROCE_PKEY_TABLE_LEN;
+ }
attr->bad_pkey_cntr = rdma_port->pkey_bad_counter;
attr->qkey_viol_cntr = 0;
get_link_speed_and_width(rdma_port->link_speed,
memset(&uresp, 0, sizeof(uresp));
+ uresp.dpm_enabled = dev->user_dpm_enabled;
+ uresp.wids_enabled = 1;
+ uresp.wid_count = oparams.wid_count;
uresp.db_pa = ctx->dpi_phys_addr;
uresp.db_size = ctx->dpi_size;
uresp.max_send_wr = dev->attr.max_sqe;
(udata && context) ? "User Lib" : "Kernel");
if (!dev->rdma_ctx) {
- DP_ERR(dev, "invlaid RDMA context\n");
+ DP_ERR(dev, "invalid RDMA context\n");
return ERR_PTR(-EINVAL);
}
struct qedr_dev *dev,
struct qedr_userq *q,
u64 buf_addr, size_t buf_len,
- int access, int dmasync)
+ int access, int dmasync,
+ int alloc_and_init)
{
u32 fw_pages;
int rc;
if (rc)
goto err0;
- q->pbl_tbl = qedr_alloc_pbl_tbl(dev, &q->pbl_info, GFP_KERNEL);
- if (IS_ERR(q->pbl_tbl)) {
- rc = PTR_ERR(q->pbl_tbl);
- goto err0;
- }
-
+ if (alloc_and_init) {
+ q->pbl_tbl = qedr_alloc_pbl_tbl(dev, &q->pbl_info, GFP_KERNEL);
+ if (IS_ERR(q->pbl_tbl)) {
+ rc = PTR_ERR(q->pbl_tbl);
+ goto err0;
+ }
qedr_populate_pbls(dev, q->umem, q->pbl_tbl, &q->pbl_info,
FW_PAGE_SHIFT);
+ } else {
+ q->pbl_tbl = kzalloc(sizeof(*q->pbl_tbl), GFP_KERNEL);
+ if (!q->pbl_tbl) {
+ rc = -ENOMEM;
+ goto err0;
+ }
+ }
return 0;
err0:
ib_umem_release(q->umem);
+ q->umem = NULL;
return rc;
}
cq->cq_type = QEDR_CQ_TYPE_USER;
rc = qedr_init_user_queue(ib_ctx, dev, &cq->q, ureq.addr,
- ureq.len, IB_ACCESS_LOCAL_WRITE, 1);
+ ureq.len, IB_ACCESS_LOCAL_WRITE,
+ 1, 1);
if (rc)
goto err0;
return 0;
}
- static void qedr_copy_rq_uresp(struct qedr_create_qp_uresp *uresp,
+ static void qedr_copy_rq_uresp(struct qedr_dev *dev,
+ struct qedr_create_qp_uresp *uresp,
struct qedr_qp *qp)
{
- uresp->rq_db_offset = DB_ADDR_SHIFT(DQ_PWM_OFFSET_TCM_ROCE_RQ_PROD);
+ /* iWARP requires two doorbells per RQ. */
+ if (rdma_protocol_iwarp(&dev->ibdev, 1)) {
+ uresp->rq_db_offset =
+ DB_ADDR_SHIFT(DQ_PWM_OFFSET_TCM_IWARP_RQ_PROD);
+ uresp->rq_db2_offset = DB_ADDR_SHIFT(DQ_PWM_OFFSET_TCM_FLAGS);
+ } else {
+ uresp->rq_db_offset =
+ DB_ADDR_SHIFT(DQ_PWM_OFFSET_TCM_ROCE_RQ_PROD);
+ }
+
uresp->rq_icid = qp->icid;
}
- static void qedr_copy_sq_uresp(struct qedr_create_qp_uresp *uresp,
+ static void qedr_copy_sq_uresp(struct qedr_dev *dev,
+ struct qedr_create_qp_uresp *uresp,
struct qedr_qp *qp)
{
uresp->sq_db_offset = DB_ADDR_SHIFT(DQ_PWM_OFFSET_XCM_RDMA_SQ_PROD);
- uresp->sq_icid = qp->icid + 1;
+
+ /* iWARP uses the same cid for rq and sq */
+ if (rdma_protocol_iwarp(&dev->ibdev, 1))
+ uresp->sq_icid = qp->icid;
+ else
+ uresp->sq_icid = qp->icid + 1;
}
static int qedr_copy_qp_uresp(struct qedr_dev *dev,
int rc;
memset(&uresp, 0, sizeof(uresp));
- qedr_copy_sq_uresp(&uresp, qp);
- qedr_copy_rq_uresp(&uresp, qp);
+ qedr_copy_sq_uresp(dev, &uresp, qp);
+ qedr_copy_rq_uresp(dev, &uresp, qp);
uresp.atomic_supported = dev->atomic_cap != IB_ATOMIC_NONE;
uresp.qp_id = qp->qp_id;
struct ib_qp_init_attr *attrs)
{
spin_lock_init(&qp->q_lock);
+ atomic_set(&qp->refcnt, 1);
qp->pd = pd;
qp->qp_type = attrs->qp_type;
qp->max_inline_data = attrs->cap.max_inline_data;
qp->usq.buf_len, qp->urq.buf_addr, qp->urq.buf_len);
}
+ static int qedr_idr_add(struct qedr_dev *dev, void *ptr, u32 id)
+ {
+ int rc;
+
+ if (!rdma_protocol_iwarp(&dev->ibdev, 1))
+ return 0;
+
+ idr_preload(GFP_KERNEL);
+ spin_lock_irq(&dev->idr_lock);
+
+ rc = idr_alloc(&dev->qpidr, ptr, id, id + 1, GFP_ATOMIC);
+
+ spin_unlock_irq(&dev->idr_lock);
+ idr_preload_end();
+
+ return rc < 0 ? rc : 0;
+ }
+
+ static void qedr_idr_remove(struct qedr_dev *dev, u32 id)
+ {
+ if (!rdma_protocol_iwarp(&dev->ibdev, 1))
+ return;
+
+ spin_lock_irq(&dev->idr_lock);
+ idr_remove(&dev->qpidr, id);
+ spin_unlock_irq(&dev->idr_lock);
+ }
+
+ static inline void
+ qedr_iwarp_populate_user_qp(struct qedr_dev *dev,
+ struct qedr_qp *qp,
+ struct qed_rdma_create_qp_out_params *out_params)
+ {
+ qp->usq.pbl_tbl->va = out_params->sq_pbl_virt;
+ qp->usq.pbl_tbl->pa = out_params->sq_pbl_phys;
+
+ qedr_populate_pbls(dev, qp->usq.umem, qp->usq.pbl_tbl,
+ &qp->usq.pbl_info, FW_PAGE_SHIFT);
+
+ qp->urq.pbl_tbl->va = out_params->rq_pbl_virt;
+ qp->urq.pbl_tbl->pa = out_params->rq_pbl_phys;
+
+ qedr_populate_pbls(dev, qp->urq.umem, qp->urq.pbl_tbl,
+ &qp->urq.pbl_info, FW_PAGE_SHIFT);
+ }
+
static void qedr_cleanup_user(struct qedr_dev *dev, struct qedr_qp *qp)
{
if (qp->usq.umem)
struct ib_ucontext *ib_ctx = NULL;
struct qedr_ucontext *ctx = NULL;
struct qedr_create_qp_ureq ureq;
+ int alloc_and_init = rdma_protocol_roce(&dev->ibdev, 1);
int rc = -EINVAL;
ib_ctx = ibpd->uobject->context;
/* SQ - read access only (0), dma sync not required (0) */
rc = qedr_init_user_queue(ib_ctx, dev, &qp->usq, ureq.sq_addr,
- ureq.sq_len, 0, 0);
+ ureq.sq_len, 0, 0, alloc_and_init);
if (rc)
return rc;
/* RQ - read access only (0), dma sync not required (0) */
rc = qedr_init_user_queue(ib_ctx, dev, &qp->urq, ureq.rq_addr,
- ureq.rq_len, 0, 0);
-
+ ureq.rq_len, 0, 0, alloc_and_init);
if (rc)
return rc;
goto err1;
}
+ if (rdma_protocol_iwarp(&dev->ibdev, 1))
+ qedr_iwarp_populate_user_qp(dev, qp, &out_params);
+
qp->qp_id = out_params.qp_id;
qp->icid = out_params.icid;
return rc;
}
+ static void qedr_set_iwarp_db_info(struct qedr_dev *dev, struct qedr_qp *qp)
+ {
+ qp->sq.db = dev->db_addr +
+ DB_ADDR_SHIFT(DQ_PWM_OFFSET_XCM_RDMA_SQ_PROD);
+ qp->sq.db_data.data.icid = qp->icid;
+
+ qp->rq.db = dev->db_addr +
+ DB_ADDR_SHIFT(DQ_PWM_OFFSET_TCM_IWARP_RQ_PROD);
+ qp->rq.db_data.data.icid = qp->icid;
+ qp->rq.iwarp_db2 = dev->db_addr +
+ DB_ADDR_SHIFT(DQ_PWM_OFFSET_TCM_FLAGS);
+ qp->rq.iwarp_db2_data.data.icid = qp->icid;
+ qp->rq.iwarp_db2_data.data.value = DQ_TCM_IWARP_POST_RQ_CF_CMD;
+ }
+
static int
qedr_roce_create_kernel_qp(struct qedr_dev *dev,
struct qedr_qp *qp,
qp->icid = out_params.icid;
qedr_set_roce_db_info(dev, qp);
+ return rc;
+ }
- return 0;
+ static int
+ qedr_iwarp_create_kernel_qp(struct qedr_dev *dev,
+ struct qedr_qp *qp,
+ struct qed_rdma_create_qp_in_params *in_params,
+ u32 n_sq_elems, u32 n_rq_elems)
+ {
+ struct qed_rdma_create_qp_out_params out_params;
+ struct qed_chain_ext_pbl ext_pbl;
+ int rc;
+
+ in_params->sq_num_pages = QED_CHAIN_PAGE_CNT(n_sq_elems,
+ QEDR_SQE_ELEMENT_SIZE,
+ QED_CHAIN_MODE_PBL);
+ in_params->rq_num_pages = QED_CHAIN_PAGE_CNT(n_rq_elems,
+ QEDR_RQE_ELEMENT_SIZE,
+ QED_CHAIN_MODE_PBL);
+
+ qp->qed_qp = dev->ops->rdma_create_qp(dev->rdma_ctx,
+ in_params, &out_params);
+
+ if (!qp->qed_qp)
+ return -EINVAL;
+
+ /* Now we allocate the chain */
+ ext_pbl.p_pbl_virt = out_params.sq_pbl_virt;
+ ext_pbl.p_pbl_phys = out_params.sq_pbl_phys;
+
+ rc = dev->ops->common->chain_alloc(dev->cdev,
+ QED_CHAIN_USE_TO_PRODUCE,
+ QED_CHAIN_MODE_PBL,
+ QED_CHAIN_CNT_TYPE_U32,
+ n_sq_elems,
+ QEDR_SQE_ELEMENT_SIZE,
+ &qp->sq.pbl, &ext_pbl);
+
+ if (rc)
+ goto err;
+
+ ext_pbl.p_pbl_virt = out_params.rq_pbl_virt;
+ ext_pbl.p_pbl_phys = out_params.rq_pbl_phys;
+
+ rc = dev->ops->common->chain_alloc(dev->cdev,
+ QED_CHAIN_USE_TO_CONSUME_PRODUCE,
+ QED_CHAIN_MODE_PBL,
+ QED_CHAIN_CNT_TYPE_U32,
+ n_rq_elems,
+ QEDR_RQE_ELEMENT_SIZE,
+ &qp->rq.pbl, &ext_pbl);
+
+ if (rc)
+ goto err;
+
+ qp->qp_id = out_params.qp_id;
+ qp->icid = out_params.icid;
+
+ qedr_set_iwarp_db_info(dev, qp);
+ return rc;
+
+ err:
+ dev->ops->rdma_destroy_qp(dev->rdma_ctx, qp->qed_qp);
+
+ return rc;
}
static void qedr_cleanup_kernel(struct qedr_dev *dev, struct qedr_qp *qp)
n_rq_elems = qp->rq.max_wr * QEDR_MAX_RQE_ELEMENTS_PER_RQE;
- rc = qedr_roce_create_kernel_qp(dev, qp, &in_params,
- n_sq_elems, n_rq_elems);
+ if (rdma_protocol_iwarp(&dev->ibdev, 1))
+ rc = qedr_iwarp_create_kernel_qp(dev, qp, &in_params,
+ n_sq_elems, n_rq_elems);
+ else
+ rc = qedr_roce_create_kernel_qp(dev, qp, &in_params,
+ n_sq_elems, n_rq_elems);
if (rc)
qedr_cleanup_kernel(dev, qp);
qp->ibqp.qp_num = qp->qp_id;
+ rc = qedr_idr_add(dev, qp, qp->qp_id);
+ if (rc)
+ goto err;
+
return &qp->ibqp;
err:
/* Update doorbell (in case post_recv was
* done before move to RTR)
*/
- wmb();
- writel(qp->rq.db_data.raw, qp->rq.db);
- /* Make sure write takes effect */
- mmiowb();
+
+ if (rdma_protocol_roce(&dev->ibdev, 1)) {
+ wmb();
+ writel(qp->rq.db_data.raw, qp->rq.db);
+ /* Make sure write takes effect */
+ mmiowb();
+ }
break;
case QED_ROCE_QP_STATE_ERR:
break;
else
new_qp_state = old_qp_state;
- if (!ib_modify_qp_is_ok
- (old_qp_state, new_qp_state, ibqp->qp_type, attr_mask,
- IB_LINK_LAYER_ETHERNET)) {
- DP_ERR(dev,
- "modify qp: invalid attribute mask=0x%x specified for\n"
- "qpn=0x%x of type=0x%x old_qp_state=0x%x, new_qp_state=0x%x\n",
- attr_mask, qp->qp_id, ibqp->qp_type, old_qp_state,
- new_qp_state);
- rc = -EINVAL;
- goto err;
+ if (rdma_protocol_roce(&dev->ibdev, 1)) {
+ if (!ib_modify_qp_is_ok(old_qp_state, new_qp_state,
+ ibqp->qp_type, attr_mask,
+ IB_LINK_LAYER_ETHERNET)) {
+ DP_ERR(dev,
+ "modify qp: invalid attribute mask=0x%x specified for\n"
+ "qpn=0x%x of type=0x%x old_qp_state=0x%x, new_qp_state=0x%x\n",
+ attr_mask, qp->qp_id, ibqp->qp_type,
+ old_qp_state, new_qp_state);
+ rc = -EINVAL;
+ goto err;
+ }
}
/* Translate the masks... */
DP_DEBUG(dev, QEDR_MSG_QP, "destroy qp: destroying %p, qp type=%d\n",
qp, qp->qp_type);
- if ((qp->state != QED_ROCE_QP_STATE_RESET) &&
- (qp->state != QED_ROCE_QP_STATE_ERR) &&
- (qp->state != QED_ROCE_QP_STATE_INIT)) {
+ if (rdma_protocol_roce(&dev->ibdev, 1)) {
+ if ((qp->state != QED_ROCE_QP_STATE_RESET) &&
+ (qp->state != QED_ROCE_QP_STATE_ERR) &&
+ (qp->state != QED_ROCE_QP_STATE_INIT)) {
- attr.qp_state = IB_QPS_ERR;
- attr_mask |= IB_QP_STATE;
+ attr.qp_state = IB_QPS_ERR;
+ attr_mask |= IB_QP_STATE;
- /* Change the QP state to ERROR */
- qedr_modify_qp(ibqp, &attr, attr_mask, NULL);
+ /* Change the QP state to ERROR */
+ qedr_modify_qp(ibqp, &attr, attr_mask, NULL);
+ }
+ } else {
+ /* Wait for the connect/accept to complete */
+ if (qp->ep) {
+ int wait_count = 1;
+
+ while (qp->ep->during_connect) {
+ DP_DEBUG(dev, QEDR_MSG_QP,
+ "Still in during connect/accept\n");
+
+ msleep(100);
+ if (wait_count++ > 200) {
+ DP_NOTICE(dev,
+ "during connect timeout\n");
+ break;
+ }
+ }
+ }
}
if (qp->qp_type == IB_QPT_GSI)
qedr_free_qp_resources(dev, qp);
- kfree(qp);
-
+ if (atomic_dec_and_test(&qp->refcnt)) {
+ qedr_idr_remove(dev, qp->qp_id);
+ kfree(qp);
+ }
return rc;
}
case IB_WR_SEND_WITH_INV:
return IB_WC_SEND;
case IB_WR_RDMA_READ:
+ case IB_WR_RDMA_READ_WITH_INV:
return IB_WC_RDMA_READ;
case IB_WR_ATOMIC_CMP_AND_SWP:
return IB_WC_COMP_SWAP;
qp->wqe_wr_id[qp->sq.prod].bytes_len = rwqe->length;
break;
case IB_WR_RDMA_READ_WITH_INV:
- DP_ERR(dev,
- "RDMA READ WITH INVALIDATE not supported\n");
- *bad_wr = wr;
- rc = -EINVAL;
- break;
+ SET_FIELD2(wqe->flags, RDMA_SQ_RDMA_WQE_1ST_READ_INV_FLG, 1);
+ /* fallthrough... same is identical to RDMA READ */
case IB_WR_RDMA_READ:
wqe->req_type = RDMA_SQ_REQ_TYPE_RDMA_RD;
spin_lock_irqsave(&qp->q_lock, flags);
- if ((qp->state != QED_ROCE_QP_STATE_RTS) &&
- (qp->state != QED_ROCE_QP_STATE_ERR) &&
- (qp->state != QED_ROCE_QP_STATE_SQD)) {
- spin_unlock_irqrestore(&qp->q_lock, flags);
- *bad_wr = wr;
- DP_DEBUG(dev, QEDR_MSG_CQ,
- "QP in wrong state! QP icid=0x%x state %d\n",
- qp->icid, qp->state);
- return -EINVAL;
+ if (rdma_protocol_roce(&dev->ibdev, 1)) {
+ if ((qp->state != QED_ROCE_QP_STATE_RTS) &&
+ (qp->state != QED_ROCE_QP_STATE_ERR) &&
+ (qp->state != QED_ROCE_QP_STATE_SQD)) {
+ spin_unlock_irqrestore(&qp->q_lock, flags);
+ *bad_wr = wr;
+ DP_DEBUG(dev, QEDR_MSG_CQ,
+ "QP in wrong state! QP icid=0x%x state %d\n",
+ qp->icid, qp->state);
+ return -EINVAL;
+ }
}
while (wr) {
/* Make sure write sticks */
mmiowb();
+ if (rdma_protocol_iwarp(&dev->ibdev, 1)) {
+ writel(qp->rq.iwarp_db2_data.raw, qp->rq.iwarp_db2);
+ mmiowb(); /* for second doorbell */
+ }
+
wr = wr->next;
}
mad_hdr->method, mad_hdr->mgmt_class, mad_hdr->status);
return IB_MAD_RESULT_SUCCESS;
}
-
- int qedr_port_immutable(struct ib_device *ibdev, u8 port_num,
- struct ib_port_immutable *immutable)
- {
- struct ib_port_attr attr;
- int err;
-
- immutable->core_cap_flags = RDMA_CORE_PORT_IBA_ROCE |
- RDMA_CORE_PORT_IBA_ROCE_UDP_ENCAP;
-
- err = ib_query_port(ibdev, port_num, &attr);
- if (err)
- return err;
-
- immutable->pkey_tbl_len = attr.pkey_tbl_len;
- immutable->gid_tbl_len = attr.gid_tbl_len;
- immutable->max_mad_size = IB_MGMT_MAD_SIZE;
-
- return 0;
- }
projects / linux.git / commitdiff