/openbmc/u-boot/drivers/virtio/ |
H A D | virtio_mmio.h | 1 /* SPDX-License-Identifier: GPL-2.0+ */ 14 /* Magic value ("virt" string) - Read Only */ 17 /* Virtio device version - Read Only */ 20 /* Virtio device ID - Read Only */ 23 /* Virtio vendor ID - Read Only */ 28 * (32 bits per set) - Read Only 32 /* Device (host) features set selector - Write Only */ 37 * (32 bits per set) - Write Only 41 /* Activated features set selector - Write Only */ 44 #ifndef VIRTIO_MMIO_NO_LEGACY /* LEGACY DEVICES ONLY! */ [all …]
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H A D | virtio_pci.h | 1 /* SPDX-License-Identifier: BSD-3-Clause */ 13 /* A 32-bit r/o bitmask of the features supported by the host */ 16 /* A 32-bit r/w bitmask of features activated by the guest */ 19 /* A 32-bit r/w PFN for the currently selected queue */ 22 /* A 16-bit r/o queue size for the currently selected queue */ 25 /* A 16-bit r/w queue selector */ 28 /* A 16-bit r/w queue notifier */ 31 /* An 8-bit device status register */ 35 * An 8-bit r/o interrupt status register. Reading the value will return the 37 * a read-and-acknowledge. [all …]
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/openbmc/qemu/tests/qemu-iotests/ |
H A D | 153.out | 2 == readonly=off,force-share=on should be rejected == 3 QEMU_PROG: -drive if=none,file=null-co://,readonly=off,force-share=on: force-share=on can only be u… 14 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,if=none,: Failed to get "write" lock 17 == Launching another QEMU, opts: 'read-only=on' == 18 QEMU_PROG: -drive file=TEST_DIR/t.qcow2,if=none,read-only=on: Failed to get shared "write" lock 21 == Launching another QEMU, opts: 'read-only=on,force-share=on' == 25 _qemu_io_wrapper -c read 0 512 TEST_DIR/t.qcow2 26 qemu-io: can't open device TEST_DIR/t.qcow2: Failed to get "write" lock 29 _qemu_io_wrapper -r -c read 0 512 TEST_DIR/t.qcow2 30 qemu-io: can't open device TEST_DIR/t.qcow2: Failed to get shared "write" lock [all …]
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/openbmc/qemu/include/standard-headers/linux/ |
H A D | virtio_mmio.h | 42 /* Magic value ("virt" string) - Read Only */ 45 /* Virtio device version - Read Only */ 48 /* Virtio device ID - Read Only */ 51 /* Virtio vendor ID - Read Only */ 55 * (32 bits per set) - Read Only */ 58 /* Device (host) features set selector - Write Only */ 62 * (32 bits per set) - Write Only */ 65 /* Activated features set selector - Write Only */ 69 #ifndef VIRTIO_MMIO_NO_LEGACY /* LEGACY DEVICES ONLY! */ 71 /* Guest's memory page size in bytes - Write Only */ [all …]
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H A D | virtio_pci.h | 42 #include "standard-headers/linux/types.h" 46 /* A 32-bit r/o bitmask of the features supported by the host */ 49 /* A 32-bit r/w bitmask of features activated by the guest */ 52 /* A 32-bit r/w PFN for the currently selected queue */ 55 /* A 16-bit r/o queue size for the currently selected queue */ 58 /* A 16-bit r/w queue selector */ 61 /* A 16-bit r/w queue notifier */ 64 /* An 8-bit device status register. */ 67 /* An 8-bit r/o interrupt status register. Reading the value will return the 69 * a read-and-acknowledge. */ [all …]
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/openbmc/linux/include/uapi/linux/ |
H A D | virtio_mmio.h | 42 /* Magic value ("virt" string) - Read Only */ 45 /* Virtio device version - Read Only */ 48 /* Virtio device ID - Read Only */ 51 /* Virtio vendor ID - Read Only */ 55 * (32 bits per set) - Read Only */ 58 /* Device (host) features set selector - Write Only */ 62 * (32 bits per set) - Write Only */ 65 /* Activated features set selector - Write Only */ 69 #ifndef VIRTIO_MMIO_NO_LEGACY /* LEGACY DEVICES ONLY! */ 71 /* Guest's memory page size in bytes - Write Only */ [all …]
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/openbmc/linux/Documentation/filesystems/ |
H A D | zonefs.rst | 1 .. SPDX-License-Identifier: GPL-2.0 4 ZoneFS - Zone filesystem for Zoned block devices 11 as a file. Unlike a regular POSIX-compliant file system with native zoned block 12 device support (e.g. f2fs), zonefs does not hide the sequential write 14 write zones of the device must be written sequentially starting from the end 15 of the file (append only writes). 18 than to a full-featured POSIX file system. The goal of zonefs is to simplify 22 example of this approach is the implementation of LSM (log-structured merge) 31 ------------------- 38 conventional zones. Any read or write access can be executed, similarly to a [all …]
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/openbmc/linux/Documentation/ABI/testing/ |
H A D | sysfs-block-zram | 5 The disksize file is read-write and specifies the disk size 14 The initstate file is read-only and shows the initialization 21 The reset file is write-only and allows resetting the 29 The max_comp_streams file is read-write and specifies the 37 The comp_algorithm file is read-write and lets to show 45 The mem_used_max file is write-only and is used to reset 47 compressed data. For resetting the value, you should write 48 "0". Otherwise, you could see -EINVAL. 55 The mem_limit file is write-only and specifies the maximum 64 The compact file is write-only and trigger compaction for [all …]
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H A D | sysfs-platform-dfl-fme | 1 What: /sys/bus/platform/devices/dfl-fme.0/ports_num 5 Description: Read-only. One DFL FPGA device may have more than 1 9 What: /sys/bus/platform/devices/dfl-fme.0/bitstream_id 13 Description: Read-only. It returns Bitstream (static FPGA region) 17 What: /sys/bus/platform/devices/dfl-fme.0/bitstream_metadata 21 Description: Read-only. It returns Bitstream (static FPGA region) meta 25 What: /sys/bus/platform/devices/dfl-fme.0/cache_size 29 Description: Read-only. It returns cache size of this FPGA device. 31 What: /sys/bus/platform/devices/dfl-fme.0/fabric_version 35 Description: Read-only. It returns fabric version of this FPGA device. [all …]
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H A D | sysfs-platform-dfl-port | 1 What: /sys/bus/platform/devices/dfl-port.0/id 5 Description: Read-only. It returns id of this port. One DFL FPGA device 9 What: /sys/bus/platform/devices/dfl-port.0/afu_id 13 Description: Read-only. User can program different PR bitstreams to FPGA 18 What: /sys/bus/platform/devices/dfl-port.0/power_state 22 Description: Read-only. It reports the APx (AFU Power) state, different APx 24 returns "0" - Normal / "1" - AP1 / "2" - AP2 / "6" - AP6. 26 What: /sys/bus/platform/devices/dfl-port.0/ap1_event 30 Description: Read-write. Read this file for AP1 (AFU Power State 1) event. 31 It's used to indicate transient AP1 state. Write 1 to this [all …]
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H A D | configfs-most | 7 Attributes are visible only when configfs is mounted. To mount 9 # mount -t configfs none /sys/kernel/config/ 22 configure the sub-buffer size for this channel 40 for MediaLB communication only) 46 communication only) 58 write '1' to this attribute to trigger the 60 configuration, the creation is post-poned until 64 write '1' to this attribute to destroy an 77 configure the sub-buffer size for this channel 95 for MediaLB communication only) [all …]
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H A D | sysfs-class-firmware | 5 Description: The data sysfs file is used for firmware-fallback and for 8 image write is complete, echo 0 to the loading sysfs file. This 9 sequence will signal the completion of the firmware write and 10 signal the lower-level driver that the firmware data is 17 Description: Write-only. For firmware uploads, write a "1" to this file to 18 request that the transfer of firmware data to the lower-level 20 the update cannot be canceled (e.g. a FLASH write is in 27 Description: Read-only. Returns a string describing a failed firmware 31 following: "hw-error", "timeout", "user-abort", "device-busy", 32 "invalid-file-size", "read-write-error", "flash-wearout". The [all …]
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/openbmc/linux/fs/nls/ |
H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only 23 default "iso8859-1" 31 cp949, cp950, cp1251, cp1255, euc-jp, euc-kr, gb2312, iso8859-1, 32 iso8859-2, iso8859-3, iso8859-4, iso8859-5, iso8859-6, iso8859-7, 33 iso8859-8, iso8859-9, iso8859-13, iso8859-14, iso8859-15, 34 koi8-r, koi8-ru, koi8-u, sjis, tis-620, macroman, utf8. 35 If you specify a wrong value, it will use the built-in NLS; 36 compatible with iso8859-1. 38 If unsure, specify it as "iso8859-1". 45 in so-called DOS codepages. You need to include the appropriate [all …]
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/openbmc/openbmc/poky/documentation/dev-manual/ |
H A D | read-only-rootfs.rst | 1 .. SPDX-License-Identifier: CC-BY-SA-2.0-UK 3 Creating a Read-Only Root Filesystem 7 root filesystem's write permissions (i.e. you need a read-only root 9 from a read-only storage device. For either case, you can customize your 14 Supporting a read-only root filesystem requires that the system and 15 applications do not try to write to the root filesystem. You must 16 configure all parts of the target system to write elsewhere, or to 17 gracefully fail in the event of attempting to write to the root 23 To create the read-only root filesystem, simply add the 24 "read-only-rootfs" feature to your image, normally in one of two ways. [all …]
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/openbmc/linux/sound/firewire/dice/ |
H A D | dice-interface.h | 1 /* SPDX-License-Identifier: GPL-2.0 */ 11 * block read transactions with at least quadlet-aligned offset and length. 12 * Writes are not allowed except where noted; quadlet-sized registers must be 13 * written with a quadlet write transaction. 15 * All values are in big endian. The DICE firmware runs on a little-endian CPU 16 * and just byte-swaps _all_ quadlets on the bus, so values without endianness 17 * (e.g. strings) get scrambled and must be byte-swapped again by the driver. 32 * size values are measured in quadlets. Read-only. 50 * Stores the full 64-bit address (node ID and offset in the node's address 60 * A bitmask with asynchronous events; read-only. When any event(s) happen, [all …]
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/openbmc/linux/include/soc/at91/ |
H A D | at91sam9_ddrsdr.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 45 #define AT91_DDRSDRC_DIS_DLL (1 << 9) /* Disable DLL [SAM9 Only] */ 46 #define AT91_DDRSDRC_OCD (1 << 12) /* Off-Chip Driver [SAM9 Only] */ 47 #define AT91_DDRSDRC_DQMS (1 << 16) /* Mask Data is Shared [SAM9 Only] */ 48 …ne AT91_DDRSDRC_ACTBST (1 << 18) /* Active Bank X to Burst Stop Read Access Bank Y [SAM9 Only] */ 53 #define AT91_DDRSDRC_TWR (0xf << 8) /* Write recovery delay */ 57 #define AT91_DDRSDRC_TWTR (0x7 << 24) /* Internal Write to Read delay */ 58 #define AT91_DDRSDRC_RED_WRRD (0x1 << 27) /* Reduce Write to Read Delay [SAM9 Only] */ 63 #define AT91_DDRSDRC_TXSNR (0xff << 8) /* Exit self-refresh to non-read */ 64 #define AT91_DDRSDRC_TXSRD (0xff << 16) /* Exit self-refresh to read */ [all …]
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/openbmc/linux/Documentation/filesystems/spufs/ |
H A D | spufs.rst | 1 .. SPDX-License-Identifier: GPL-2.0 10 spufs - the SPU file system 21 message queues. Users that have write permissions on the file system 26 logical SPU. Users can change permissions on those files, but not actu- 43 The files in spufs mostly follow the standard behavior for regular sys- 44 tem calls like read(2) or write(2), but often support only a subset of 50 all files that support the write(2) operation also support writev(2). 52 only the st_mode, st_nlink, st_uid and st_gid fields of struct stat 55 All files support the chmod(2)/fchmod(2) and chown(2)/fchown(2) opera- 68 read(2), pread(2), write(2), pwrite(2), lseek(2) [all …]
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/openbmc/linux/Documentation/hwmon/ |
H A D | oxp-sensors.rst | 1 .. SPDX-License-Identifier: GPL-2.0-or-later 3 Kernel driver oxp-sensors 7 - Derek John Clark <derekjohn.clark@gmail.com> 8 - Joaquín Ignacio Aramendía <samsagax@gmail.com> 11 ------------ 16 Currently only supports AMD boards from One X Player, AOK ZOE, and some Aya 18 out the EC registers and values to write to since the EC layout and model is 28 ----------------- 32 - AOK ZOE A1 33 - AOK ZOE A1 PRO [all …]
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/openbmc/linux/tools/testing/selftests/kvm/x86_64/ |
H A D | hyperv_features.c | 1 // SPDX-License-Identifier: GPL-2.0-only 5 * Tests for Hyper-V features enablement 18 * but to activate the feature it is sufficient to set it to a non-zero 27 bool write; member 47 GUEST_ASSERT(msr->idx); in guest_msr() 49 if (msr->write) in guest_msr() 50 vector = wrmsr_safe(msr->idx, msr->write_val); in guest_msr() 52 if (!vector && (!msr->write || !is_write_only_msr(msr->idx))) in guest_msr() 53 vector = rdmsr_safe(msr->idx, &msr_val); in guest_msr() 55 if (msr->fault_expected) in guest_msr() [all …]
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/openbmc/linux/tools/perf/pmu-events/arch/x86/jaketown/ |
H A D | uncore-memory.json | 11 … "BriefDescription": "DRAM RD_CAS and WR_CAS Commands.; All DRAM WR_CAS (w/ and w/out auto-pre)", 27 … "BriefDescription": "DRAM RD_CAS and WR_CAS Commands.; All DRAM RD_CAS (w/ and w/out auto-pre)", 51 …"BriefDescription": "DRAM RD_CAS and WR_CAS Commands.; DRAM WR_CAS (w/ and w/out auto-pre) in Read… 59 …tion": "DRAM RD_CAS and WR_CAS Commands.; DRAM WR_CAS (w/ and w/out auto-pre) in Write Major Mode", 70 "PublicDescription": "Uncore Fixed Counter - uclks", 104 …rrors detected and corrected by the iMC on this channel. This counter is only useful with ECC DRA… 112 …ected by a filter) on the given channel. Major modea are channel-wide, and not a per-rank (or di… 121 …ected by a filter) on the given channel. Major modea are channel-wide, and not a per-rank (or di… 130 …ected by a filter) on the given channel. Major modea are channel-wide, and not a per-rank (or di… 135 "BriefDescription": "Cycles in a Major Mode; Write Major Mode", [all …]
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/openbmc/u-boot/include/usb/ |
H A D | ulpi.h | 1 /* SPDX-License-Identifier: GPL-2.0 */ 40 * @ulpi_vp - structure containing ULPI viewport data 48 * @speed - ULPI_FC_HIGH_SPEED, ULPI_FC_FULL_SPEED (default), 56 * @ext_power - external VBUS supply is used (default is false) 57 * @ext_indicator - external VBUS over-current indicator is used 65 * @external - external VBUS over-current indicator is used 66 * @passthru - disables ANDing of internal VBUS comparator 68 * @complement - inverts the external VBUS input 74 * Enable/disable pull-down resistors on D+ and D- USB lines. 82 * @opmode - ULPI_FC_OPMODE_NORMAL (default), ULPI_FC_OPMODE_NONDRIVING, [all …]
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/openbmc/linux/include/linux/mfd/ |
H A D | janz.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 22 * Write access: interrupt disable 29 * Write access: interrupt enable 34 /* write-only */ 38 /* write-only */ 42 /* read-write access to serial EEPROM */ 46 /* write-only access to EEPROM chip select */
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/openbmc/linux/drivers/net/ethernet/ti/ |
H A D | davinci_cpdma.h | 1 /* SPDX-License-Identifier: GPL-2.0 */ 102 CPDMA_TX_RLIM, /* read-write */ 103 CPDMA_CMD_IDLE, /* write-only */ 104 CPDMA_COPY_ERROR_FRAMES, /* read-write */ 105 CPDMA_RX_OFF_LEN_UPDATE, /* read-write */ 106 CPDMA_RX_OWNERSHIP_FLIP, /* read-write */ 107 CPDMA_TX_PRIO_FIXED, /* read-write */ 108 CPDMA_STAT_IDLE, /* read-only */ 109 CPDMA_STAT_TX_ERR_CHAN, /* read-only */ 110 CPDMA_STAT_TX_ERR_CODE, /* read-only */ [all …]
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/openbmc/linux/Documentation/ABI/stable/ |
H A D | sysfs-driver-mlxreg-io | 1 What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/asic_health 6 0 - health failed, 2 - health OK, 3 - ASIC in booting state. 8 The files are read only. 10 What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld1_version 11 What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld2_version 18 The files are read only. 20 What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/fan_dir 25 forward direction - relevant bit is set 0; 26 reversed direction - relevant bit is set 1. 28 The files are read only. [all …]
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/openbmc/u-boot/drivers/sysreset/ |
H A D | sysreset_mpc83xx.h | 1 /* SPDX-License-Identifier: GPL-2.0+ */ 17 "Address Only Transfer Type", 62 "TDM-DMAC" 70 "Address-only, Clean Block", 71 "Address-only, lwarx reservation set", 72 "Single-beat or Burst write", 74 "Address-only, Flush Block", 76 "Burst write", 78 "Address-only, sync", 79 "Address-only, tlbsync", [all …]
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