Commit Graph

402 Commits

Author SHA1 Message Date
Linus Torvalds 3272eb1ace media fixes for v6.1-rc2
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Merge tag 'media/v6.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull missed media updates from Mauro Carvalho Chehab:
 "It seems I screwed-up my previous pull request: it ends up that only
  half of the media patches that were in linux-next got merged in -rc1.

  The script which creates the signed tags silently failed due to
  5.19->6.0 so it ended generating a tag with incomplete stuff.

  So here are the missing parts:

   - a DVB core security fix

   - lots of fixes and cleanups for atomisp staging driver

   - old drivers that are VB1 are being moved to staging to be
     deprecated

   - several driver updates - mostly for embedded systems, but there are
     also some things addressing issues with some PC webcams, in the UVC
     video driver"

* tag 'media/v6.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (163 commits)
  media: sun6i-csi: Move csi buffer definition to main header file
  media: sun6i-csi: Introduce and use video helper functions
  media: sun6i-csi: Add media ops with link notify callback
  media: sun6i-csi: Remove controls handler from the driver
  media: sun6i-csi: Register the media device after creation
  media: sun6i-csi: Pass and store csi device directly in video code
  media: sun6i-csi: Tidy up video code
  media: sun6i-csi: Tidy up v4l2 code
  media: sun6i-csi: Tidy up Kconfig
  media: sun6i-csi: Use runtime pm for clocks and reset
  media: sun6i-csi: Define and use variant to get module clock rate
  media: sun6i-csi: Always set exclusive module clock rate
  media: sun6i-csi: Tidy up platform code
  media: sun6i-csi: Refactor main driver data structures
  media: sun6i-csi: Define and use driver name and (reworked) description
  media: cedrus: Add a Kconfig dependency on RESET_CONTROLLER
  media: sun8i-rotate: Add a Kconfig dependency on RESET_CONTROLLER
  media: sun8i-di: Add a Kconfig dependency on RESET_CONTROLLER
  media: sun4i-csi: Add a Kconfig dependency on RESET_CONTROLLER
  media: sun6i-csi: Add a Kconfig dependency on RESET_CONTROLLER
  ...
2022-10-22 15:30:15 -07:00
Linus Torvalds 5d435a3f7b media updates for v6.1-rc1
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Merge tag 'media/v6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - New driver for Mediatek MDP V3

 - New driver for NXP i.MX DW100 dewarper

 - Zoran driver got promoted from staging

 - Hantro and related drivers got promoted from staging

 - Several VB1 drivers got moved to staging/deprecated (cpia2, fsl-viu,
   meye, saa7146, av7110, stkwebcam, tm6000, vpfe_capture, davinci,
   zr364xx)

 - Usual set of driver fixes, improvements and cleanups

* tag 'media/v6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (107 commits)
  media: destage Hantro VPU driver
  media: platform: mtk-mdp3: add MediaTek MDP3 driver
  media: dt-binding: mediatek: add bindings for MediaTek CCORR and WDMA
  media: dt-binding: mediatek: add bindings for MediaTek MDP3 components
  media: xilinx: vipp: Fix refcount leak in xvip_graph_dma_init
  media: xilinx: video: Add 1X12 greyscale format
  media: xilinx: csi2rxss: Add 1X12 greyscale format
  media: staging: media: imx: imx7-media-csi: Increase video mem limit
  media: uvcvideo: Limit power line control for Sonix Technology
  media: uvcvideo: Use entity get_cur in uvc_ctrl_set
  media: uvcvideo: Fix typo 'the the' in comment
  media: uvcvideo: Use indexed loops in uvc_ctrl_init_ctrl()
  media: uvcvideo: Fix memory leak in uvc_gpio_parse
  media: renesas: vsp1: Add support for RZ/G2L VSPD
  media: renesas: vsp1: Add VSP1_HAS_NON_ZERO_LBA feature bit
  media: renesas: vsp1: Add support for VSP software version
  media: renesas: vsp1: Add support to deassert/assert reset line
  media: dt-bindings: media: renesas,vsp1: Document RZ/G2L VSPD bindings
  media: meson: vdec: add missing clk_disable_unprepare on error in vdec_hevc_start()
  media: amphion: fix a bug that vpu core may not resume after suspend
  ...
2022-10-07 11:04:35 -07:00
Linus Torvalds 0326074ff4 Networking changes for 6.1.
Core
 ----
 
  - Introduce and use a single page frag cache for allocating small skb
    heads, clawing back the 10-20% performance regression in UDP flood
    test from previous fixes.
 
  - Run packets which already went thru HW coalescing thru SW GRO.
    This significantly improves TCP segment coalescing and simplifies
    deployments as different workloads benefit from HW or SW GRO.
 
  - Shrink the size of the base zero-copy send structure.
 
  - Move TCP init under a new slow / sleepable version of DO_ONCE().
 
 BPF
 ---
 
  - Add BPF-specific, any-context-safe memory allocator.
 
  - Add helpers/kfuncs for PKCS#7 signature verification from BPF
    programs.
 
  - Define a new map type and related helpers for user space -> kernel
    communication over a ring buffer (BPF_MAP_TYPE_USER_RINGBUF).
 
  - Allow targeting BPF iterators to loop through resources of one
    task/thread.
 
  - Add ability to call selected destructive functions.
    Expose crash_kexec() to allow BPF to trigger a kernel dump.
    Use CAP_SYS_BOOT check on the loading process to judge permissions.
 
  - Enable BPF to collect custom hierarchical cgroup stats efficiently
    by integrating with the rstat framework.
 
  - Support struct arguments for trampoline based programs.
    Only structs with size <= 16B and x86 are supported.
 
  - Invoke cgroup/connect{4,6} programs for unprivileged ICMP ping
    sockets (instead of just TCP and UDP sockets).
 
  - Add a helper for accessing CLOCK_TAI for time sensitive network
    related programs.
 
  - Support accessing network tunnel metadata's flags.
 
  - Make TCP SYN ACK RTO tunable by BPF programs with TCP Fast Open.
 
  - Add support for writing to Netfilter's nf_conn:mark.
 
 Protocols
 ---------
 
  - WiFi: more Extremely High Throughput (EHT) and Multi-Link
    Operation (MLO) work (802.11be, WiFi 7).
 
  - vsock: improve support for SO_RCVLOWAT.
 
  - SMC: support SO_REUSEPORT.
 
  - Netlink: define and document how to use netlink in a "modern" way.
    Support reporting missing attributes via extended ACK.
 
  - IPSec: support collect metadata mode for xfrm interfaces.
 
  - TCPv6: send consistent autoflowlabel in SYN_RECV state
    and RST packets.
 
  - TCP: introduce optional per-netns connection hash table to allow
    better isolation between namespaces (opt-in, at the cost of memory
    and cache pressure).
 
  - MPTCP: support TCP_FASTOPEN_CONNECT.
 
  - Add NEXT-C-SID support in Segment Routing (SRv6) End behavior.
 
  - Adjust IP_UNICAST_IF sockopt behavior for connected UDP sockets.
 
  - Open vSwitch:
    - Allow specifying ifindex of new interfaces.
    - Allow conntrack and metering in non-initial user namespace.
 
  - TLS: support the Korean ARIA-GCM crypto algorithm.
 
  - Remove DECnet support.
 
 Driver API
 ----------
 
  - Allow selecting the conduit interface used by each port
    in DSA switches, at runtime.
 
  - Ethernet Power Sourcing Equipment and Power Device support.
 
  - Add tc-taprio support for queueMaxSDU parameter, i.e. setting
    per traffic class max frame size for time-based packet schedules.
 
  - Support PHY rate matching - adapting between differing host-side
    and link-side speeds.
 
  - Introduce QUSGMII PHY mode and 1000BASE-KX interface mode.
 
  - Validate OF (device tree) nodes for DSA shared ports; make
    phylink-related properties mandatory on DSA and CPU ports.
    Enforcing more uniformity should allow transitioning to phylink.
 
  - Require that flash component name used during update matches one
    of the components for which version is reported by info_get().
 
  - Remove "weight" argument from driver-facing NAPI API as much
    as possible. It's one of those magic knobs which seemed like
    a good idea at the time but is too indirect to use in practice.
 
  - Support offload of TLS connections with 256 bit keys.
 
 New hardware / drivers
 ----------------------
 
  - Ethernet:
    - Microchip KSZ9896 6-port Gigabit Ethernet Switch
    - Renesas Ethernet AVB (EtherAVB-IF) Gen4 SoCs
    - Analog Devices ADIN1110 and ADIN2111 industrial single pair
      Ethernet (10BASE-T1L) MAC+PHY.
    - Rockchip RV1126 Gigabit Ethernet (a version of stmmac IP).
 
  - Ethernet SFPs / modules:
    - RollBall / Hilink / Turris 10G copper SFPs
    - HALNy GPON module
 
  - WiFi:
    - CYW43439 SDIO chipset (brcmfmac)
    - CYW89459 PCIe chipset (brcmfmac)
    - BCM4378 on Apple platforms (brcmfmac)
 
 Drivers
 -------
 
  - CAN:
    - gs_usb: HW timestamp support
 
  - Ethernet PHYs:
    - lan8814: cable diagnostics
 
  - Ethernet NICs:
    - Intel (100G):
      - implement control of FCS/CRC stripping
      - port splitting via devlink
      - L2TPv3 filtering offload
    - nVidia/Mellanox:
      - tunnel offload for sub-functions
      - MACSec offload, w/ Extended packet number and replay
        window offload
      - significantly restructure, and optimize the AF_XDP support,
        align the behavior with other vendors
    - Huawei:
      - configuring DSCP map for traffic class selection
      - querying standard FEC statistics
      - querying SerDes lane number via ethtool
    - Marvell/Cavium:
      - egress priority flow control
      - MACSec offload
    - AMD/SolarFlare:
      - PTP over IPv6 and raw Ethernet
    - small / embedded:
      - ax88772: convert to phylink (to support SFP cages)
      - altera: tse: convert to phylink
      - ftgmac100: support fixed link
      - enetc: standard Ethtool counters
      - macb: ZynqMP SGMII dynamic configuration support
      - tsnep: support multi-queue and use page pool
      - lan743x: Rx IP & TCP checksum offload
      - igc: add xdp frags support to ndo_xdp_xmit
 
  - Ethernet high-speed switches:
    - Marvell (prestera):
      - support SPAN port features (traffic mirroring)
      - nexthop object offloading
    - Microchip (sparx5):
      - multicast forwarding offload
      - QoS queuing offload (tc-mqprio, tc-tbf, tc-ets)
 
  - Ethernet embedded switches:
    - Marvell (mv88e6xxx):
      - support RGMII cmode
    - NXP (felix):
      - standardized ethtool counters
    - Microchip (lan966x):
      - QoS queuing offload (tc-mqprio, tc-tbf, tc-cbs, tc-ets)
      - traffic policing and mirroring
      - link aggregation / bonding offload
      - QUSGMII PHY mode support
 
  - Qualcomm 802.11ax WiFi (ath11k):
    - cold boot calibration support on WCN6750
    - support to connect to a non-transmit MBSSID AP profile
    - enable remain-on-channel support on WCN6750
    - Wake-on-WLAN support for WCN6750
    - support to provide transmit power from firmware via nl80211
    - support to get power save duration for each client
    - spectral scan support for 160 MHz
 
  - MediaTek WiFi (mt76):
    - WiFi-to-Ethernet bridging offload for MT7986 chips
 
  - RealTek WiFi (rtw89):
    - P2P support
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from Jakub Kicinski:
 "Core:

   - Introduce and use a single page frag cache for allocating small skb
     heads, clawing back the 10-20% performance regression in UDP flood
     test from previous fixes.

   - Run packets which already went thru HW coalescing thru SW GRO. This
     significantly improves TCP segment coalescing and simplifies
     deployments as different workloads benefit from HW or SW GRO.

   - Shrink the size of the base zero-copy send structure.

   - Move TCP init under a new slow / sleepable version of DO_ONCE().

  BPF:

   - Add BPF-specific, any-context-safe memory allocator.

   - Add helpers/kfuncs for PKCS#7 signature verification from BPF
     programs.

   - Define a new map type and related helpers for user space -> kernel
     communication over a ring buffer (BPF_MAP_TYPE_USER_RINGBUF).

   - Allow targeting BPF iterators to loop through resources of one
     task/thread.

   - Add ability to call selected destructive functions. Expose
     crash_kexec() to allow BPF to trigger a kernel dump. Use
     CAP_SYS_BOOT check on the loading process to judge permissions.

   - Enable BPF to collect custom hierarchical cgroup stats efficiently
     by integrating with the rstat framework.

   - Support struct arguments for trampoline based programs. Only
     structs with size <= 16B and x86 are supported.

   - Invoke cgroup/connect{4,6} programs for unprivileged ICMP ping
     sockets (instead of just TCP and UDP sockets).

   - Add a helper for accessing CLOCK_TAI for time sensitive network
     related programs.

   - Support accessing network tunnel metadata's flags.

   - Make TCP SYN ACK RTO tunable by BPF programs with TCP Fast Open.

   - Add support for writing to Netfilter's nf_conn:mark.

  Protocols:

   - WiFi: more Extremely High Throughput (EHT) and Multi-Link Operation
     (MLO) work (802.11be, WiFi 7).

   - vsock: improve support for SO_RCVLOWAT.

   - SMC: support SO_REUSEPORT.

   - Netlink: define and document how to use netlink in a "modern" way.
     Support reporting missing attributes via extended ACK.

   - IPSec: support collect metadata mode for xfrm interfaces.

   - TCPv6: send consistent autoflowlabel in SYN_RECV state and RST
     packets.

   - TCP: introduce optional per-netns connection hash table to allow
     better isolation between namespaces (opt-in, at the cost of memory
     and cache pressure).

   - MPTCP: support TCP_FASTOPEN_CONNECT.

   - Add NEXT-C-SID support in Segment Routing (SRv6) End behavior.

   - Adjust IP_UNICAST_IF sockopt behavior for connected UDP sockets.

   - Open vSwitch:
      - Allow specifying ifindex of new interfaces.
      - Allow conntrack and metering in non-initial user namespace.

   - TLS: support the Korean ARIA-GCM crypto algorithm.

   - Remove DECnet support.

  Driver API:

   - Allow selecting the conduit interface used by each port in DSA
     switches, at runtime.

   - Ethernet Power Sourcing Equipment and Power Device support.

   - Add tc-taprio support for queueMaxSDU parameter, i.e. setting per
     traffic class max frame size for time-based packet schedules.

   - Support PHY rate matching - adapting between differing host-side
     and link-side speeds.

   - Introduce QUSGMII PHY mode and 1000BASE-KX interface mode.

   - Validate OF (device tree) nodes for DSA shared ports; make
     phylink-related properties mandatory on DSA and CPU ports.
     Enforcing more uniformity should allow transitioning to phylink.

   - Require that flash component name used during update matches one of
     the components for which version is reported by info_get().

   - Remove "weight" argument from driver-facing NAPI API as much as
     possible. It's one of those magic knobs which seemed like a good
     idea at the time but is too indirect to use in practice.

   - Support offload of TLS connections with 256 bit keys.

  New hardware / drivers:

   - Ethernet:
      - Microchip KSZ9896 6-port Gigabit Ethernet Switch
      - Renesas Ethernet AVB (EtherAVB-IF) Gen4 SoCs
      - Analog Devices ADIN1110 and ADIN2111 industrial single pair
        Ethernet (10BASE-T1L) MAC+PHY.
      - Rockchip RV1126 Gigabit Ethernet (a version of stmmac IP).

   - Ethernet SFPs / modules:
      - RollBall / Hilink / Turris 10G copper SFPs
      - HALNy GPON module

   - WiFi:
      - CYW43439 SDIO chipset (brcmfmac)
      - CYW89459 PCIe chipset (brcmfmac)
      - BCM4378 on Apple platforms (brcmfmac)

  Drivers:

   - CAN:
      - gs_usb: HW timestamp support

   - Ethernet PHYs:
      - lan8814: cable diagnostics

   - Ethernet NICs:
      - Intel (100G):
         - implement control of FCS/CRC stripping
         - port splitting via devlink
         - L2TPv3 filtering offload
      - nVidia/Mellanox:
         - tunnel offload for sub-functions
         - MACSec offload, w/ Extended packet number and replay window
           offload
         - significantly restructure, and optimize the AF_XDP support,
           align the behavior with other vendors
      - Huawei:
         - configuring DSCP map for traffic class selection
         - querying standard FEC statistics
         - querying SerDes lane number via ethtool
      - Marvell/Cavium:
         - egress priority flow control
         - MACSec offload
      - AMD/SolarFlare:
         - PTP over IPv6 and raw Ethernet
      - small / embedded:
         - ax88772: convert to phylink (to support SFP cages)
         - altera: tse: convert to phylink
         - ftgmac100: support fixed link
         - enetc: standard Ethtool counters
         - macb: ZynqMP SGMII dynamic configuration support
         - tsnep: support multi-queue and use page pool
         - lan743x: Rx IP & TCP checksum offload
         - igc: add xdp frags support to ndo_xdp_xmit

   - Ethernet high-speed switches:
      - Marvell (prestera):
         - support SPAN port features (traffic mirroring)
         - nexthop object offloading
      - Microchip (sparx5):
         - multicast forwarding offload
         - QoS queuing offload (tc-mqprio, tc-tbf, tc-ets)

   - Ethernet embedded switches:
      - Marvell (mv88e6xxx):
         - support RGMII cmode
      - NXP (felix):
         - standardized ethtool counters
      - Microchip (lan966x):
         - QoS queuing offload (tc-mqprio, tc-tbf, tc-cbs, tc-ets)
         - traffic policing and mirroring
         - link aggregation / bonding offload
         - QUSGMII PHY mode support

   - Qualcomm 802.11ax WiFi (ath11k):
      - cold boot calibration support on WCN6750
      - support to connect to a non-transmit MBSSID AP profile
      - enable remain-on-channel support on WCN6750
      - Wake-on-WLAN support for WCN6750
      - support to provide transmit power from firmware via nl80211
      - support to get power save duration for each client
      - spectral scan support for 160 MHz

   - MediaTek WiFi (mt76):
      - WiFi-to-Ethernet bridging offload for MT7986 chips

   - RealTek WiFi (rtw89):
      - P2P support"

* tag 'net-next-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1864 commits)
  eth: pse: add missing static inlines
  once: rename _SLOW to _SLEEPABLE
  net: pse-pd: add regulator based PSE driver
  dt-bindings: net: pse-dt: add bindings for regulator based PoDL PSE controller
  ethtool: add interface to interact with Ethernet Power Equipment
  net: mdiobus: search for PSE nodes by parsing PHY nodes.
  net: mdiobus: fwnode_mdiobus_register_phy() rework error handling
  net: add framework to support Ethernet PSE and PDs devices
  dt-bindings: net: phy: add PoDL PSE property
  net: marvell: prestera: Propagate nh state from hw to kernel
  net: marvell: prestera: Add neighbour cache accounting
  net: marvell: prestera: add stub handler neighbour events
  net: marvell: prestera: Add heplers to interact with fib_notifier_info
  net: marvell: prestera: Add length macros for prestera_ip_addr
  net: marvell: prestera: add delayed wq and flush wq on deinit
  net: marvell: prestera: Add strict cleanup of fib arbiter
  net: marvell: prestera: Add cleanup of allocated fib_nodes
  net: marvell: prestera: Add router nexthops ABI
  eth: octeon: fix build after netif_napi_add() changes
  net/mlx5: E-Switch, Return EBUSY if can't get mode lock
  ...
2022-10-04 13:38:03 -07:00
Jakub Kicinski 5493a2ad0d docs: netlink: clarify the historical baggage of Netlink flags
nlmsg_flags are full of historical baggage, inconsistencies and
strangeness. Try to document it more thoroughly. Explain the meaning
of the ECHO flag (and while at it clarify the comment in the uAPI).
Handwave a little about the NEW request flags and how they make
sense on the surface but cater to really old paradigm before commands
were a thing.

I will add more notes on how to make use of ECHO and discouragement
for reuse of flags to the kernel-side documentation.

Link: https://lore.kernel.org/r/20220927212306.823862-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-09-29 18:39:39 -07:00
Mickaël Salaün 2fff00c81d
landlock: Fix documentation style
It seems that all code should use double backquotes, which is also used
to convert "%" defines.  Let's use an homogeneous style and remove all
use of simple backquotes (which should only be used for emphasis).

Cc: Günther Noack <gnoack3000@gmail.com>
Cc: Paul Moore <paul@paul-moore.com>
Signed-off-by: Mickaël Salaün <mic@digikod.net>
Link: https://lore.kernel.org/r/20220923154207.3311629-4-mic@digikod.net
2022-09-29 18:43:04 +02:00
Mickaël Salaün 16023b05f0
landlock: Slightly improve documentation and fix spelling
Now that we have more than one ABI version, make limitation explanation
more consistent by replacing "ABI 1" with "ABI < 2".  This also
indicates which ABIs support such past limitation.

Improve documentation consistency by not using contractions.

Fix spelling in fs.c .

Cc: Paul Moore <paul@paul-moore.com>
Signed-off-by: Mickaël Salaün <mic@digikod.net>
Reviewed-by: Günther Noack <gnoack3000@gmail.com>
Link: https://lore.kernel.org/r/20220923154207.3311629-3-mic@digikod.net
2022-09-29 18:43:03 +02:00
Daniel Lundberg Pedersen 5cd5f13444 media: docs: libv4l-introduction.rst: Fix function signature and link
v4l2_mmap returns a void*, also link to mmap instead of munmap

Signed-off-by: Daniel Lundberg Pedersen <dlp@qtec.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2022-09-24 08:51:58 +02:00
Hans Verkuil 479747caa5 media: cec: add support for Absolute Volume Control
Add support for this new CEC message. This was added in HDMI 2.1a.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2022-09-24 08:50:04 +02:00
Jakub Kicinski 690252f19f netlink: add support for ext_ack missing attributes
There is currently no way to report via extack in a structured way
that an attribute is missing. This leads to families resorting to
string messages.

Add a pair of attributes - @offset and @type for machine-readable
way of reporting missing attributes. The @offset points to the
nest which should have contained the attribute, @type is the
expected nla_type. The offset will be skipped if the attribute
is missing at the message level rather than inside a nest.

User space should be able to figure out which attribute enum
(AKA attribute space AKA attribute set) the nest pointed to by
@offset is using.

Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-08-30 12:20:43 +02:00
Hans Verkuil 17611d3fb4 media: videodev2.h: drop V4L2_CAP_ASYNCIO
The V4L2_CAP_ASYNCIO capability was never implemented (and in fact
it isn't clear what it was supposed to do in the first place).

Drop it from the capabilities list. Keep it in videodev2.h with the
other defines under ifndef __KERNEL__ for backwards compatibility.

This will free up a capability bit for other future uses. And having
an unused and undefined I/O method is just plain confusing.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2022-08-30 07:34:24 +02:00
Xavier Roumegue 9d5c3c0698 media: uapi: Add a control for DW100 driver
The DW100 driver gets the dewarping mapping as a binary blob from the
userspace application through a custom control.
The blob format is hardware specific so create a dedicated control for
this purpose.

Signed-off-by: Xavier Roumegue <xavier.roumegue@oss.nxp.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2022-08-29 15:32:13 +02:00
Xavier Roumegue bdbb016da6 media: Documentation: dw100: Add user documentation for the DW100 driver
Add user documentation for the DW100 driver.

while at it, replace spaces with tab on drivers list.

Signed-off-by: Xavier Roumegue <xavier.roumegue@oss.nxp.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2022-08-29 15:32:13 +02:00
Jakub Kicinski 510156a7f0 docs: netlink: basic introduction to Netlink
Provide a bit of a brain dump of netlink related information
as documentation. Hopefully this will be useful to people
trying to navigate implementing YAML based parsing in languages
we won't be able to help with.

I started writing this doc while trying to figure out what
it'd take to widen the applicability of YAML to good old rtnl,
but the doc grew beyond that as it usually happens.

In all honesty a lot of this information is new to me as I usually
follow the "copy an existing example, drink to forget" process
of writing netlink user space, so reviews will be much appreciated.

Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20220819200221.422801-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-08-23 16:10:23 -07:00
Stephen Hemminger 1202cdd665 Remove DECnet support from kernel
DECnet is an obsolete network protocol that receives more attention
from kernel janitors than users. It belongs in computer protocol
history museum not in Linux kernel.

It has been "Orphaned" in kernel since 2010. The iproute2 support
for DECnet was dropped in 5.0 release. The documentation link on
Sourceforge says it is abandoned there as well.

Leave the UAPI alone to keep userspace programs compiling.
This means that there is still an empty neighbour table
for AF_DECNET.

The table of /proc/sys/net entries was updated to match
current directories and reformatted to be alphabetical.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: David Ahern <dsahern@kernel.org>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-08-22 14:26:30 +01:00
Hans Verkuil 43cc0ec381 media: v4l2-ctrls: add change flag for when dimensions change
Add a new V4L2_EVENT_CTRL_CH_DIMENSIONS change flag that is issued
when the dimensions of an array change as a result of a
__v4l2_ctrl_modify_dimensions() call.

This will inform userspace that there are new dimensions.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2022-08-19 13:48:58 +02:00
Linus Torvalds 746fc76b82 SCSI misc on 20220804
Updates to the usual drivers (ufs, qla2xx, target, lpfc, smartpqi,
 mpi3mr).  The main driver change that might cause issues on down the
 road is the conversion of some of our oldest surviving drivers to the
 DMA API (should only affect m68k).  The only major core change is the
 rework of async resume; the rest are either completely trivial or for
 updating deprecated APIs.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "Updates to the usual drivers (ufs, qla2xx, target, lpfc, smartpqi,
  mpi3mr).

  The main driver change that might cause issues on down the road is the
  conversion of some of our oldest surviving drivers to the DMA API
  (should only affect m68k).

  The only major core change is the rework of async resume; the rest are
  either completely trivial or for updating deprecated APIs"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (195 commits)
  scsi: target: Remove XDWRITEREAD emulated support
  scsi: megaraid: Remove the static variable initialisation
  scsi: ch: Do not initialise statics to 0
  scsi: ufs: core: Fix spelling mistake "Cannnot" -> "Cannot"
  scsi: target: iscsi: Do not require target authentication
  scsi: target: iscsi: Allow AuthMethod=None
  scsi: target: iscsi: Support base64 in CHAP
  scsi: target: iscsi: Add support for extended CDB AHS
  scsi: ufs: dt-bindings: Add SC8280XP binding
  scsi: target: iscsi: Fix clang -Wformat warnings
  scsi: ufs: core: Read device property for ref clock
  scsi: libsas: Resume SAS host for phy reset or enable via sysfs
  scsi: hisi_sas: Modify v3 HW SATA completion error processing
  scsi: hisi_sas: Relocate DMA unmap of SMP task
  scsi: hisi_sas: Remove unnecessary variable to hold DMA map elements
  scsi: hisi_sas: Call hisi_sas_slave_configure() from slave_configure_v3_hw()
  scsi: mpi3mr: Delete a stray tab
  scsi: mpi3mr: Unlock on error path
  scsi: mpi3mr: Reduce VD queue depth on detecting throttling
  scsi: mpi3mr: Resource Based Metering
  ...
2022-08-04 19:47:37 -07:00
Linus Torvalds b44f2fd879 drm for 5.20/6.0
New driver:
 - logicvc
 
 vfio:
 - use aperture API
 
 core:
 - of: Add data-lane helpers and convert drivers
 - connector: Remove deprecated ida_simple_get()
 
 media:
 - Add various RGB666 and RGB888 format constants
 
 panel:
 - Add HannStar HSD101PWW
 - Add ETML0700Y5DHA
 
 dma-buf:
 - add sync-file API
 - set dma mask for udmabuf devices
 
 fbcon:
 - Improve scrolling performance
 - Sanitize input
 
 fbdev:
 - device unregistering fixes
 - vesa: Support COMPILE_TEST
 - Disable firmware-device registration when first native driver loads
 
 aperture:
 - fix segfault during hot-unplug
 - export for use with other subsystems
 
 client:
 - use driver validated modes
 
 dp:
 - aux: make probing more reliable
 - mst: Read extended DPCD capabilities during system resume
 - Support waiting for HDP signal
 - Port-validation fixes
 
 edid:
 - CEA data-block iterators
 - struct drm_edid introduction
 - implement HF-EEODB extension
 
 gem:
 - don't use fb format non-existing planes
 
 probe-helper:
 - use 640x480 as displayport fallback
 
 scheduler:
 - don't kill jobs in interrupt context
 
 bridge:
 - Add support for i.MX8qxp and i.MX8qm
 - lots of fixes/cleanups
 - Add TI-DLPC3433
 - fy07024di26a30d: Optional GPIO reset
 - ldb: Add reg and reg-name properties to bindings, Kconfig fixes
 - lt9611: Fix display sensing;
 - tc358767: DSI/DPI refactoring and DSI-to-eDP support, DSI lane handling
 - tc358775: Fix clock settings
 - ti-sn65dsi83: Allow GPIO to sleep
 - adv7511: I2C fixes
 - anx7625: Fix error handling; DPI fixes; Implement HDP timeout via callback
 - fsl-ldb: Drop DE flip
 - ti-sn65dsi86: Convert to atomic modesetting
 
 amdgpu:
 - use atomic fence helpers in DM
 - fix VRAM address calculations
 - export CRTC bpc via debugfs
 - Initial devcoredump support
 - Enable high priority gfx queue on asics which support it
 - Adjust GART size on newer APUs for S/G display
 - Soft reset for GFX 11 / SDMA 6
 - Add gfxoff status query for vangogh
 - Fix timestamps for cursor only commits
 - Adjust GART size on newer APUs for S/G display
 - fix buddy memory corruption
 
 amdkfd:
 - MMU notifier fixes
 - P2P DMA support using dma-buf
 - Add available memory IOCTL
 - HMM profiler support
 - Simplify GPUVM validation
 - Unified memory for CWSR save/restore area
 
 i915:
 - General driver clean-up
 - DG2 enabling (still under force probe)
   - DG2 small BAR memory support
   - HuC loading support
   - DG2 workarounds
   - DG2/ATS-M device IDs added
 - Ponte Vecchio prep work and new blitter engines
 - add Meteorlake support
 - Fix sparse warnings
 - DMC MMIO range checks
 - Audio related fixes
 - Runtime PM fixes
 - PSR fixes
 - Media freq factor and per-gt enhancements
 - DSI fixes for ICL+
 - Disable DMC flip queue handlers
 - ADL_P voltage swing updates
 - Use more the VBT for panel information
 - Fix on Type-C ports with TBT mode
 - Improve fastset and allow seamless M/N changes
 - Accept more fixed modes with VRR/DMRRS panels
 - Disable connector polling for a headless SKU
 - ADL-S display PLL w/a
 - Enable THP on Icelake and beyond
 - Fix i915_gem_object_ggtt_pin_ww regression on old platforms
 - Expose per tile media freq factor in sysfs
 - Fix dma_resv fence handling in multi-batch execbuf
 - Improve on suspend / resume time with VT-d enabled
 - export CRTC bpc settings via debugfs
 
 msm:
 - gpu: a619 support
 - gpu: Fix for unclocked GMU register access
 - gpu: Devcore dump enhancements
 - client utilization via fdinfo support
 - fix fence rollover issue
 - gem: Lockdep false-positive warning fix
 - gem: Switch to pfn mappings
 - WB support on sc7180
 - dp: dropped custom bulk clock implementation
 - fix link retraining on resolution change
 - hdmi: dropped obsolete GPIO support
 
 tegra:
 - context isolation for host1x engines
 - tegra234 soc support
 
 mediatek:
 - add vdosys0/1 for mt8195
 - add MT8195 dp_intf driver
 
 exynos:
 - Fix resume function issue of exynos decon driver by calling
   clk_disable_unprepare() properly if clk_prepare_enable() failed.
 
 nouveau:
 - set of misc fixes/cleanups
 - display cleanups
 
 gma500:
 - Cleanup connector I2C handling
 
 hyperv:
 - Unify VRAM allocation of Gen1 and Gen2
 
 meson:
 - Support YUV422 output; Refcount fixes
 
 mgag200:
 - Support damage clipping
 - Support gamma handling
 - Protect concurrent HW access
 - Fixes to connector
 - Store model-specific limits in device-info structure
 - fix PCI register init
 
 panfrost:
 - Valhall support
 
 r128:
 - Fix bit-shift overflow
 
 rockchip:
 - Locking fixes in error path
 
 ssd130x:
 - Fix built-in linkage
 
 udl:
 - Always advertize VGA connector
 
 ast:
 - Support multiple outputs
 - fix black screen on resume
 
 sun4i:
 - HDMI PHY cleanups
 
 vc4:
 - Add support for BCM2711
 
 vkms:
 - Allocate output buffer with vmalloc()
 
 mcde:
 - Fix ref-count leak
 
 mxsfb/lcdif:
 - Support i.MX8MP LCD controller
 
 stm/ltdc:
 - Support dynamic Z order
 - Support mirroring
 
 ingenic:
 - Fix display at maximum resolution
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Merge tag 'drm-next-2022-08-03' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "Highlights:

   - New driver for logicvc - which is a display IP core.

   - EDID parser rework to add new extensions

   - fbcon scrolling improvements

   - i915 has some more DG2 work but not enabled by default, but should
     have enough features for userspace to work now.

  Otherwise it's lots of work all over the place. Detailed summary:

  New driver:
   - logicvc

  vfio:
   - use aperture API

  core:
   - of: Add data-lane helpers and convert drivers
   - connector: Remove deprecated ida_simple_get()

  media:
   - Add various RGB666 and RGB888 format constants

  panel:
   - Add HannStar HSD101PWW
   - Add ETML0700Y5DHA

  dma-buf:
   - add sync-file API
   - set dma mask for udmabuf devices

  fbcon:
   - Improve scrolling performance
   - Sanitize input

  fbdev:
   - device unregistering fixes
   - vesa: Support COMPILE_TEST
   - Disable firmware-device registration when first native driver loads

  aperture:
   - fix segfault during hot-unplug
   - export for use with other subsystems

  client:
   - use driver validated modes

  dp:
   - aux: make probing more reliable
   - mst: Read extended DPCD capabilities during system resume
   - Support waiting for HDP signal
   - Port-validation fixes

  edid:
   - CEA data-block iterators
   - struct drm_edid introduction
   - implement HF-EEODB extension

  gem:
   - don't use fb format non-existing planes

  probe-helper:
   - use 640x480 as displayport fallback

  scheduler:
   - don't kill jobs in interrupt context

  bridge:
   - Add support for i.MX8qxp and i.MX8qm
   - lots of fixes/cleanups
   - Add TI-DLPC3433
   - fy07024di26a30d: Optional GPIO reset
   - ldb: Add reg and reg-name properties to bindings, Kconfig fixes
   - lt9611: Fix display sensing;
   - tc358767: DSI/DPI refactoring and DSI-to-eDP support, DSI lane handling
   - tc358775: Fix clock settings
   - ti-sn65dsi83: Allow GPIO to sleep
   - adv7511: I2C fixes
   - anx7625: Fix error handling; DPI fixes; Implement HDP timeout via callback
   - fsl-ldb: Drop DE flip
   - ti-sn65dsi86: Convert to atomic modesetting

  amdgpu:
   - use atomic fence helpers in DM
   - fix VRAM address calculations
   - export CRTC bpc via debugfs
   - Initial devcoredump support
   - Enable high priority gfx queue on asics which support it
   - Adjust GART size on newer APUs for S/G display
   - Soft reset for GFX 11 / SDMA 6
   - Add gfxoff status query for vangogh
   - Fix timestamps for cursor only commits
   - Adjust GART size on newer APUs for S/G display
   - fix buddy memory corruption

  amdkfd:
   - MMU notifier fixes
   - P2P DMA support using dma-buf
   - Add available memory IOCTL
   - HMM profiler support
   - Simplify GPUVM validation
   - Unified memory for CWSR save/restore area

  i915:
   - General driver clean-up
   - DG2 enabling (still under force probe)
       - DG2 small BAR memory support
       - HuC loading support
       - DG2 workarounds
       - DG2/ATS-M device IDs added
   - Ponte Vecchio prep work and new blitter engines
   - add Meteorlake support
   - Fix sparse warnings
   - DMC MMIO range checks
   - Audio related fixes
   - Runtime PM fixes
   - PSR fixes
   - Media freq factor and per-gt enhancements
   - DSI fixes for ICL+
   - Disable DMC flip queue handlers
   - ADL_P voltage swing updates
   - Use more the VBT for panel information
   - Fix on Type-C ports with TBT mode
   - Improve fastset and allow seamless M/N changes
   - Accept more fixed modes with VRR/DMRRS panels
   - Disable connector polling for a headless SKU
   - ADL-S display PLL w/a
   - Enable THP on Icelake and beyond
   - Fix i915_gem_object_ggtt_pin_ww regression on old platforms
   - Expose per tile media freq factor in sysfs
   - Fix dma_resv fence handling in multi-batch execbuf
   - Improve on suspend / resume time with VT-d enabled
   - export CRTC bpc settings via debugfs

  msm:
   - gpu: a619 support
   - gpu: Fix for unclocked GMU register access
   - gpu: Devcore dump enhancements
   - client utilization via fdinfo support
   - fix fence rollover issue
   - gem: Lockdep false-positive warning fix
   - gem: Switch to pfn mappings
   - WB support on sc7180
   - dp: dropped custom bulk clock implementation
   - fix link retraining on resolution change
   - hdmi: dropped obsolete GPIO support

  tegra:
   - context isolation for host1x engines
   - tegra234 soc support

  mediatek:
   - add vdosys0/1 for mt8195
   - add MT8195 dp_intf driver

  exynos:
   - Fix resume function issue of exynos decon driver by calling
     clk_disable_unprepare() properly if clk_prepare_enable() failed.

  nouveau:
   - set of misc fixes/cleanups
   - display cleanups

  gma500:
   - Cleanup connector I2C handling

  hyperv:
   - Unify VRAM allocation of Gen1 and Gen2

  meson:
   - Support YUV422 output; Refcount fixes

  mgag200:
   - Support damage clipping
   - Support gamma handling
   - Protect concurrent HW access
   - Fixes to connector
   - Store model-specific limits in device-info structure
   - fix PCI register init

  panfrost:
   - Valhall support

  r128:
   - Fix bit-shift overflow

  rockchip:
   - Locking fixes in error path

  ssd130x:
   - Fix built-in linkage

  udl:
   - Always advertize VGA connector

  ast:
   - Support multiple outputs
   - fix black screen on resume

  sun4i:
   - HDMI PHY cleanups

  vc4:
   - Add support for BCM2711

  vkms:
   - Allocate output buffer with vmalloc()

  mcde:
   - Fix ref-count leak

  mxsfb/lcdif:
   - Support i.MX8MP LCD controller

  stm/ltdc:
   - Support dynamic Z order
   - Support mirroring

  ingenic:
   - Fix display at maximum resolution"

* tag 'drm-next-2022-08-03' of git://anongit.freedesktop.org/drm/drm: (1480 commits)
  drm/amd/display: Fix a compilation failure on PowerPC caused by FPU code
  drm/amdgpu: enable support for psp 13.0.4 block
  drm/amdgpu: add files for PSP 13.0.4
  drm/amdgpu: add header files for MP 13.0.4
  drm/amdgpu: correct RLC_RLCS_BOOTLOAD_STATUS offset and index
  drm/amdgpu: send msg to IMU for the front-door loading
  drm/amdkfd: use time_is_before_jiffies(a + b) to replace "jiffies - a > b"
  drm/amdgpu: fix hive reference leak when reflecting psp topology info
  drm/amd/pm: enable GFX ULV feature support for SMU13.0.0
  drm/amd/pm: update driver if header for SMU 13.0.0
  drm/amdgpu: move mes self test after drm sched re-started
  drm/amdgpu: drop non-necessary call trace dump
  drm/amdgpu: enable VCN cg and JPEG cg/pg
  drm/amdgpu: vcn_4_0_2 video codec query
  drm/amdgpu: add VCN_4_0_2 firmware support
  drm/amdgpu: add VCN function in NBIO v7.7
  drm/amdgpu: fix a vcn4 boot poll bug in emulation mode
  drm/amd/amdgpu: add memory training support for PSP_V13
  drm/amdkfd: remove an unnecessary amdgpu_bo_ref
  drm/amd/pm: Add get_gfx_off_status interface for yellow carp
  ...
2022-08-03 19:52:08 -07:00
Ezequiel Garcia 485ade76c9 media: hantro: Remove dedicated control documentation
The dedicated control required by the HEVC support
was removed, and the driver now calculates the value
internally. Remove the ad-hoc documentation as well.

[hverkuil: remove hantro from Documentation/userspace-api/media/drivers/index.rst]

Fixes: 3360755ef8 ("media: hantro: Stop using Hantro dedicated control")
Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2022-07-27 22:38:47 +02:00
Hans Verkuil 4b9233731f media: videodev2.h.rst.exceptions: add missing exceptions
Add new exceptions for V4L2_COLORSPACE_LAST, V4L2_XFER_FUNC_LAST
and V4L2_YCBCR_ENC_LAST.

This fixes documentation warnings:

Documentation/output/videodev2.h.rst:6: WARNING: undefined label: v4l2-colorspace-last
Documentation/output/videodev2.h.rst:6: WARNING: undefined label: v4l2-xfer-func-last
Documentation/output/videodev2.h.rst:6: WARNING: undefined label: v4l2-ycbcr-enc-last

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2022-07-27 20:25:17 +02:00
Ezequiel Garcia 3c8e19d3d3 media: Add P010 tiled format
Add P010 tiled format

[rebased, updated pixel format name and added description]

Tested-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2022-07-17 10:58:06 +01:00
Benjamin Gaignard ca24fef0f2 media: uapi: move HEVC stateless controls out of staging
HEVC uAPI is used by 2 mainline drivers (Hantro, Cedrus)
and at least 2 out-of-tree drivers (rkvdec, RPi).
The uAPI has been reviewed so it is time to make it 'public' by
un-staging it.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Acked-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Tested-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2022-07-15 17:36:58 +01:00
Benjamin Gaignard e7060d9a78 media: uapi: Change data_bit_offset definition
'F.7.3.6.1 General slice segment header syntax' section of HEVC
specification describes that a slice header always end aligned on
byte boundary, therefore we only need to provide the data offset in bytes.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Acked-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Tested-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2022-07-15 17:36:58 +01:00
Benjamin Gaignard 13789e3070 media: uapi: HEVC: fix padding in v4l2 control structures
Fix padding where needed to remove holes

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Acked-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Tested-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2022-07-15 17:36:58 +01:00
Benjamin Gaignard 16e2d220cd media: uapi: Move the HEVC stateless control type out of staging
Move the HEVC stateless controls types out of staging,
and re-number them.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Acked-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Tested-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2022-07-15 17:36:57 +01:00
Benjamin Gaignard 01dcfd5333 media: uapi: Move parsed HEVC pixel format out of staging
Move HEVC pixel format since we are ready to stabilize the uAPI

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Acked-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Tested-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2022-07-15 17:36:53 +01:00
Benjamin Gaignard 311027bd13 media: uapi: Add V4L2_CID_STATELESS_HEVC_ENTRY_POINT_OFFSETS control
The number of 'entry point offset' can be very variable.
Instead of using a large static array define a v4l2 dynamic array
of U32 (V4L2_CTRL_TYPE_U32).
The number of entry point offsets is reported by the elems field
and in struct v4l2_ctrl_hevc_slice_params.num_entry_point_offsets
field.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Acked-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Tested-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2022-07-15 17:36:44 +01:00
Benjamin Gaignard 869ba3c8bb media: uapi: HEVC: Define V4L2_CID_STATELESS_HEVC_SLICE_PARAMS as a dynamic array
Make explicit that V4L2_CID_STATELESS_HEVC_SLICE_PARAMS control is
a dynamic array control type.
Some drivers may be able to receive multiple slices in one control
to improve decoding performance.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2022-07-15 16:32:09 +01:00
Benjamin Gaignard 625e9ab479 media: uapi: HEVC: Add documentation to uAPI structure
Add kernel-doc documentation for all the HEVC structures.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Acked-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Tested-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2022-07-15 16:30:47 +01:00
Benjamin Gaignard 24aab5985f media: uapi: HEVC: Add SEI pic struct flags
The possible values for the field_pic field in the v4l2_hevc_dpb_entry
structure are defined in the table D.2 in HEVC specification section D.3.3.
Add flags and documentation for each of them.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Acked-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Tested-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2022-07-15 16:28:42 +01:00
Benjamin Gaignard c4a179c716 media: uapi: HEVC: Change pic_order_cnt definition in v4l2_hevc_dpb_entry
The HEVC specification describes the following:
"PicOrderCntVal is derived as follows:
PicOrderCntVal = PicOrderCntMsb + slice_pic_order_cnt_lsb
The value of PicOrderCntVal shall be in the range of
−2^31 to 2^31 − 1, inclusive."

To match with these definitions change __u16 pic_order_cnt[2]
into __s32 pic_order_cnt_val.
Change v4l2_ctrl_hevc_slice_params->slice_pic_order_cnt to __s32 too.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Acked-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Tested-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2022-07-15 16:26:08 +01:00
Benjamin Gaignard b92de2f918 media: uapi: HEVC: Rename HEVC stateless controls with STATELESS prefix
Change HEVC  stateless controls names to V4L2_CID_STATELESS_HEVC instead
of V4L2_CID_MPEG_VIDEO_HEVC be coherent with v4l2 naming convention.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Tested-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2022-07-15 16:25:08 +01:00
Benjamin Gaignard 9763fe6c52 media: uapi: HEVC: Add missing fields in HEVC controls
Complete the HEVC controls with missing fields from H.265 specifications.
Even if these fields aren't used by the current mainlined drivers
they will be required for (at least) the rkvdec driver.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Acked-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Tested-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2022-07-15 16:23:11 +01:00
Hans Verkuil 64fe675e99 media: videodev2.h: add V4L2_CTRL_FLAG_DYNAMIC_ARRAY
Add a new flag that indicates that this control is a dynamically sized
array. Also document this flag.

Currently dynamically sized arrays are limited to one dimensional arrays,
but that might change in the future if there is a need for it.

The initial use-case of dynamic arrays are stateless codecs. A frame
can be divided in many slices, so you want to provide an array containing
slice information for each slice. Typically the number of slices is small,
but the standard allow for hundreds or thousands of slices. Dynamic arrays
are a good solution since sizing the array for the worst case would waste
substantial amounts of memory.

Acked-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Tested-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Tested-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2022-07-15 16:17:31 +01:00
Laurent Pinchart 00f6842ef4 media: v4l: Add packed YUV 4:4:4 YUVA and YUVX pixel formats
The new YUVA and YUVX are permutations of the existing AYUV and XYUV
formats. They are use by the NXP i.MX8 ISI hardware.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2022-07-15 15:00:36 +01:00
Akira Yokosawa 6d9c9fbd35 media: docs: Remove extraneous \endgroup from P010 table
The \endgroup command at the bottom of a table added in commit
5374d8fb75 ("media: Add P010 video format") doesn't have a
corresponding \begingroup command preceding it.

This imbalance causes an build error in "make pdfdocs".

Fix the issue by removing it.

Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Fixes: 5374d8fb75 ("media: Add P010 video format")
Cc: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Cc: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2022-07-08 18:16:12 +01:00
Marek Vasut 76a48e755f media: docs: Fix VIVIOC typo
Replace VIVIOC_ with VIDIOC_ , trivial typo fix.

Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2022-07-08 14:50:33 +01:00
Marek Vasut 6811c98ca2 media: v4l2-ctrls: Fix missing newline in examples
Replace supportedn with supported\n , i.e. add the missing backslash.

Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2022-07-08 14:49:19 +01:00
Arnd Bergmann b04e75a4a8 scsi: dpt_i2o: Remove obsolete driver
The dpt_i2o driver was fixed to stop using virt_to_bus() in 2008, but it
still has a stale reference in an error handling code path that could never
work. I submitted a patch to fix this reference earlier, but Hannes
Reinecke suggested that removing the driver may be just as good here.

The i2o driver layer was removed in 2015 with commit 4a72a7af46
("staging: remove i2o subsystem"), but the even older dpt_i2o scsi driver
stayed around.

The last non-cleanup patches I could find were from Miquel van Smoorenburg
and Mark Salyzyn back in 2008, they might know if there is any chance of
the hardware still being used anywhere.

Link: https://lore.kernel.org/linux-scsi/CAK8P3a1XfwkTOV7qOs1fTxf4vthNBRXKNu8A5V7TWnHT081NGA@mail.gmail.com/T/
Link: https://lore.kernel.org/r/20220624155226.2889613-3-arnd@kernel.org
Cc: Miquel van Smoorenburg <mikevs@xs4all.net>
Cc: Mark Salyzyn <salyzyn@android.com>
Cc: Hannes Reinecke <hare@suse.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-06-27 22:56:21 -04:00
Liu Ying 5771fb9a8f
media: docs: Add some RGB bus formats for i.MX8qm/qxp pixel combiner
This patch adds documentations for RGB666_1X30_CPADLO, RGB888_1X30_CPADLO,
RGB666_1X36_CPADLO and RGB888_1X36_CPADLO bus formats used by i.MX8qm/qxp
pixel combiner.  The RGB pixels with padding low per component are
transmitted on a 30-bit input bus(10-bit per component) from a display
controller or a 36-bit output bus(12-bit per component) to a pixel link.

Reviewed-by: Robert Foss <robert.foss@linaro.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Liu Ying <victor.liu@nxp.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220611141421.718743-3-victor.liu@nxp.com
2022-06-20 21:15:05 +02:00
Benjamin Gaignard 5374d8fb75 media: Add P010 video format
P010 is a YUV format with 10-bits per component with interleaved UV.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Acked-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2022-06-20 10:30:31 +01:00
Sean Young b1c8312c6b media: lirc: add missing exceptions for lirc uapi header file
Commit e5499dd725 ("media: lirc: revert removal of unused feature
flags") reintroduced unused feature flags in the lirc uapi header, but
failed to reintroduce the necessary exceptions for the docs.

Fixes: e5499dd725 ("media: lirc: revert removal of unused feature flags")
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-05-26 14:30:17 -07:00
Linus Torvalds 827060261c media updates for v5.19-rc1
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Merge tag 'media/v5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - dvb-usb drivers entries got reworked to avoid usage of magic numbers
   to refer to data position inside tables

 - vcodec driver has gained support for MT8186 and for vp8 and vp9
   stateless codecs

 - hantro has gained support for Hantro G1 on RK366x

 - Added more h264 levels on coda960

 - ccs gained support for MIPI CSI-2 28 bits per pixel raw data type

 - venus driver gained support for Qualcomm custom compressed pixel
   formats

 - lots of driver fixes and updates

* tag 'media/v5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits)
  media: hantro: Enable HOLD_CAPTURE_BUF for H.264
  media: hantro: Add H.264 field decoding support
  media: hantro: h264: Make dpb entry management more robust
  media: hantro: Stop using H.264 parameter pic_num
  media: rkvdec: Enable capture buffer holding for H264
  media: rkvdec-h264: Add field decoding support
  media: rkvdec: Ensure decoded resolution fit coded resolution
  media: rkvdec: h264: Fix reference frame_num wrap for second field
  media: rkvdec: h264: Validate and use pic width and height in mbs
  media: rkvdec: Move H264 SPS validation in rkvdec-h264
  media: rkvdec: h264: Fix bit depth wrap in pps packet
  media: rkvdec: h264: Fix dpb_valid implementation
  media: rkvdec: Stop overclocking the decoder
  media: v4l2: Reorder field reflist
  media: h264: Sort p/b reflist using frame_num
  media: v4l2: Trace calculated p/b0/b1 initial reflist
  media: h264: Store all fields into the unordered list
  media: h264: Store current picture fields
  media: h264: Increase reference lists size to 32
  media: h264: Use v4l2_h264_reference for reflist
  ...
2022-05-24 18:09:16 -07:00
Linus Torvalds cb44e4f061 Landlock updates for v5.19-rc1
Important changes:
 * improve the path_rename LSM hook implementations for RENAME_EXCHANGE;
 * fix a too-restrictive filesystem control for a rare corner case;
 * set the nested sandbox limitation to 16 layers;
 * add a new LANDLOCK_ACCESS_FS_REFER access right to properly handle
   file reparenting (i.e. full rename and link support);
 * add new tests and documentation;
 * format code with clang-format to make it easier to maintain and
   contribute.
 
 Related patch series:
 * [PATCH v1 0/7] Landlock: Clean up coding style with clang-format
   https://lore.kernel.org/r/20220506160513.523257-1-mic@digikod.net
 * [PATCH v2 00/10] Minor Landlock fixes and new tests
   https://lore.kernel.org/r/20220506160820.524344-1-mic@digikod.net
 * [PATCH v3 00/12] Landlock: file linking and renaming support
   https://lore.kernel.org/r/20220506161102.525323-1-mic@digikod.net
 * [PATCH v2] landlock: Explain how to support Landlock
   https://lore.kernel.org/r/20220513112743.156414-1-mic@digikod.net
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Merge tag 'landlock-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux

Pull Landlock updates from Mickaël Salaün:

 - improve the path_rename LSM hook implementations for RENAME_EXCHANGE;

 - fix a too-restrictive filesystem control for a rare corner case;

 - set the nested sandbox limitation to 16 layers;

 - add a new LANDLOCK_ACCESS_FS_REFER access right to properly handle
   file reparenting (i.e. full rename and link support);

 - add new tests and documentation;

 - format code with clang-format to make it easier to maintain and
   contribute.

* tag 'landlock-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux: (30 commits)
  landlock: Explain how to support Landlock
  landlock: Add design choices documentation for filesystem access rights
  landlock: Document good practices about filesystem policies
  landlock: Document LANDLOCK_ACCESS_FS_REFER and ABI versioning
  samples/landlock: Add support for file reparenting
  selftests/landlock: Add 11 new test suites dedicated to file reparenting
  landlock: Add support for file reparenting with LANDLOCK_ACCESS_FS_REFER
  LSM: Remove double path_rename hook calls for RENAME_EXCHANGE
  landlock: Move filesystem helpers and add a new one
  landlock: Fix same-layer rule unions
  landlock: Create find_rule() from unmask_layers()
  landlock: Reduce the maximum number of layers to 16
  landlock: Define access_mask_t to enforce a consistent access mask size
  selftests/landlock: Test landlock_create_ruleset(2) argument check ordering
  landlock: Change landlock_restrict_self(2) check ordering
  landlock: Change landlock_add_rule(2) argument check ordering
  selftests/landlock: Add tests for O_PATH
  selftests/landlock: Fully test file rename with "remove" access
  selftests/landlock: Extend access right tests to directories
  selftests/landlock: Add tests for unknown access rights
  ...
2022-05-24 13:09:13 -07:00
Linus Torvalds dc8af1ffd6 seccomp updates for v5.19-rc1
- Rework USER_NOTIF notification ordering and kill logic (Sargun Dhillon)
 
 - Improved PTRACE_O_SUSPEND_SECCOMP selftest (Jann Horn)
 
 - Gracefully handle failed unshare() in selftests (Yang Guang)
 
 - Spelling fix (Colin Ian King)
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Merge tag 'seccomp-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull seccomp updates from Kees Cook:

 - Rework USER_NOTIF notification ordering and kill logic (Sargun
   Dhillon)

 - Improved PTRACE_O_SUSPEND_SECCOMP selftest (Jann Horn)

 - Gracefully handle failed unshare() in selftests (Yang Guang)

 - Spelling fix (Colin Ian King)

* tag 'seccomp-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  selftests/seccomp: Fix spelling mistake "Coud" -> "Could"
  selftests/seccomp: Add test for wait killable notifier
  selftests/seccomp: Refactor get_proc_stat to split out file reading code
  seccomp: Add wait_killable semantic to seccomp user notifier
  selftests/seccomp: Ensure that notifications come in FIFO order
  seccomp: Use FIFO semantics to order notifications
  selftests/seccomp: Add SKIP for failed unshare()
  selftests/seccomp: Test PTRACE_O_SUSPEND_SECCOMP without CAP_SYS_ADMIN
2022-05-24 12:37:24 -07:00
Mickaël Salaün 5e469829ba
landlock: Explain how to support Landlock
Let's help users by documenting how to enable and check for Landlock in
the kernel and the running system.  The userspace-api section may not be
the best place for this but it still makes sense to put all the user
documentation at the same place.

Signed-off-by: Mickaël Salaün <mic@digikod.net>
Link: https://lore.kernel.org/r/20220513112743.156414-1-mic@digikod.net
Reviewed-by: Paul Moore <paul@paul-moore.com>
2022-05-23 13:28:03 +02:00
Mickaël Salaün 09340cf413
landlock: Document good practices about filesystem policies
Explain how to set access rights per hierarchy in an efficient and safe
way, especially with the LANDLOCK_ACCESS_FS_REFER side effect (i.e.
partial ordering and constraints for access rights per hierarchy).

Reviewed-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: Mickaël Salaün <mic@digikod.net>
Link: https://lore.kernel.org/r/20220506161102.525323-12-mic@digikod.net
2022-05-23 13:28:01 +02:00
Mickaël Salaün 6f59abfae3
landlock: Document LANDLOCK_ACCESS_FS_REFER and ABI versioning
Add LANDLOCK_ACCESS_FS_REFER in the example and properly check to only
use it if the current kernel support it thanks to the Landlock ABI
version.

Move the file renaming and linking limitation to a new "Previous
limitations" section.

Improve documentation about the backward and forward compatibility,
including the rational for ruleset's handled_access_fs.

Update the document date.

Reviewed-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: Mickaël Salaün <mic@digikod.net>
Link: https://lore.kernel.org/r/20220506161102.525323-11-mic@digikod.net
2022-05-23 13:28:00 +02:00
Mickaël Salaün 75c542d6c6
landlock: Reduce the maximum number of layers to 16
The maximum number of nested Landlock domains is currently 64.  Because
of the following fix and to help reduce the stack size, let's reduce it
to 16.  This seems large enough for a lot of use cases (e.g. sandboxed
init service, spawning a sandboxed SSH service, in nested sandboxed
containers).  Reducing the number of nested domains may also help to
discover misuse of Landlock (e.g. creating a domain per rule).

Add and use a dedicated layer_mask_t typedef to fit with the number of
layers.  This might be useful when changing it and to keep it consistent
with the maximum number of layers.

Reviewed-by: Paul Moore <paul@paul-moore.com>
Link: https://lore.kernel.org/r/20220506161102.525323-3-mic@digikod.net
Cc: stable@vger.kernel.org
Signed-off-by: Mickaël Salaün <mic@digikod.net>
2022-05-23 13:27:56 +02:00
Daniel Scally b87f5e25b2 media: uapi: Add IPU3 packed Y10 format
Some platforms with an Intel IPU3 have an IR sensor producing 10 bit
greyscale format data that is transmitted over a CSI-2 bus to a CIO2
device - this packs the data into 32 bytes per 25 pixels. Add an entry
to the uAPI header defining that format.

Signed-off-by: Daniel Scally <djrscally@gmail.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2022-05-17 09:36:03 +02:00
Paul Gortmaker 8fa10ee183 cdrom: mark CDROMGETSPINDOWN/CDROMSETSPINDOWN obsolete
These were only implemented by the IDE CD driver, which has since
been removed.  Given that nobody is likely to create new CD/DVD
hardware (and associated drivers) we can mark these appropriately.

Cc: Jens Axboe <axboe@kernel.dk>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Phillip Potter <phil@philpotter.co.uk>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Link: https://lore.kernel.org/all/20220427132436.12795-3-paul.gortmaker@windriver.com
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20220515205833.944139-4-phil@philpotter.co.uk
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-05-15 18:31:28 -06:00