Changes in Makefile

bbfd5594756011167b8f8de9a00e0c946afda1e6 - Merge drm/drm-next into drm-intel-gt-next

Wed, 28 May 2025 09:20:17 +0200

Merge drm/drm-next into drm-intel-gt-nextNeed to pull in a67221b5eb8d ("drm/i915/dp: Return min bpc supported by source instead of 0")in order to fix build breakage on GCC 9.4.0 (from Ubuntu 20.04).Signed-off-by: Joonas Lahtinen List of files: /linux/drivers/fwctl/Makefile

db5302ae571beec635c1a96e7f72926a4e65195e - Merge drm/drm-next into drm-intel-next

Fri, 16 May 2025 09:22:36 +0200

Merge drm/drm-next into drm-intel-nextBackmerge to sync with v6.15-rc, xe, and specifically async flip changesin drm-misc.Signed-off-by: Jani Nikula List of files: /linux/drivers/fwctl/Makefile

4f9786035f9e519db41375818e1d0b5f20da2f10 - Merge branch 'next' into for-linus

Mon, 02 Jun 2025 06:41:07 +0200

Merge branch 'next' into for-linusPrepare input updates for 6.16 merge window. List of files: /linux/drivers/fwctl/Makefile

d51b9d81f7883f526b26e3ab903e646274aebeb1 - Merge tag 'v6.15-rc6' into next

Fri, 16 May 2025 01:20:39 +0200

Merge tag 'v6.15-rc6' into nextSync up with mainline to bring in xpad controller changes. List of files: /linux/drivers/fwctl/Makefile

844e31bbaef7c8a6ff2c0fbac45c0c85b5484482 - Merge remote-tracking branch 'drm-misc/drm-misc-next' into msm-next

Tue, 29 Apr 2025 22:42:29 +0200

Merge remote-tracking branch 'drm-misc/drm-misc-next' into msm-nextMerge drm-misc-next to get commit Fixes: fec450ca15af ("drm/display:hdmi: provide central data authority for ACR params").Signed-off-by: Rob Clark List of files: /linux/drivers/fwctl/Makefile

3ab7ae8e07f888f223027f0ef84d33e43919ad55 - Merge drm/drm-next into drm-xe-next

Thu, 24 Apr 2025 13:34:55 +0200

Merge drm/drm-next into drm-xe-nextBackmerge to bring in linux 6.15-rc.Signed-off-by: Thomas Hellström List of files: /linux/drivers/fwctl/Makefile

1afba39f9305fe4061a4e70baa6ebab9d41459da - Merge drm/drm-next into drm-misc-next

Mon, 07 Apr 2025 13:47:40 +0200

Merge drm/drm-next into drm-misc-nextBackmerging to get v6.15-rc1 into drm-misc-next. Also fixes abuild issue when enabling CONFIG_DRM_SCHED_KUNIT_TEST.Signed-off-by: Thomas Zimmermann List of files: /linux/drivers/fwctl/Makefile

9f13acb2406a3aed90c6738b3a2f1c0e43118cbd - Merge tag 'v6.15-rc1' into x86/cpu, to refresh the branch with upstream changes

Fri, 11 Apr 2025 11:13:27 +0200

Merge tag 'v6.15-rc1' into x86/cpu, to refresh the branch with upstream changesSigned-off-by: Ingo Molnar List of files: /linux/drivers/fwctl/Makefile

6ce0fdaae043803bb324d915ce0fe43316bf1e81 - Merge tag 'v6.15-rc1' into x86/asm, to refresh the branch

Wed, 09 Apr 2025 21:39:43 +0200

Merge tag 'v6.15-rc1' into x86/asm, to refresh the branchSigned-off-by: Ingo Molnar List of files: /linux/drivers/fwctl/Makefile

1260ed77798502de9c98020040d2995008de10cc - Merge drm/drm-fixes into drm-misc-fixes

Tue, 08 Apr 2025 10:15:47 +0200

Merge drm/drm-fixes into drm-misc-fixesBackmerging to get updates from v6.15-rc1.Signed-off-by: Thomas Zimmermann List of files: /linux/drivers/fwctl/Makefile

0ccff074d6aa45835ccb7c0e4a995a32e4c90b5a - Merge tag 'for-linus-fwctl' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Sat, 29 Mar 2025 18:45:20 +0100

Merge tag 'for-linus-fwctl' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdmaPull fwctl subsystem from Jason Gunthorpe: "fwctl is a new subsystem intended to bring some common rules and order to the growing pattern of exposing a secure FW interface directly to userspace. Unlike existing places like RDMA/DRM/VFIO/uacce that are exposing a device for datapath operations fwctl is focused on debugging, configuration and provisioning of the device. It will not have the necessary features like interrupt delivery to support a datapath. This concept is similar to the long standing practice in the "HW" RAID space of having a device specific misc device to manage the RAID controller FW. fwctl generalizes this notion of a companion debug and management interface that goes along with a dataplane implemented in an appropriate subsystem. There have been three LWN articles written discussing various aspects of this: https://lwn.net/Articles/955001/ https://lwn.net/Articles/969383/ https://lwn.net/Articles/990802/ This includes three drivers to launch the subsystem: - CXL provides a vendor scheme for executing commands and a way to learn the 'command effects' (ie the security properties) of such commands. The fwctl driver allows access to these mechanism within the fwctl security model - mlx5 is family of networking products, the driver supports all current Mellanox HW still receiving FW feature updates. This includes RDMA multiprotocol NICs like ConnectX and the Bluefield family of Smart NICs. - AMD/Pensando Distributed Services card is a multi protocol Smart NIC with a multi PCI function design. fwctl works on the management PCI function following a 'command effects' model similar to CXL"* tag 'for-linus-fwctl' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (30 commits) pds_fwctl: add Documentation entries pds_fwctl: add rpc and query support pds_fwctl: initial driver framework pds_core: add new fwctl auxiliary_device pds_core: specify auxiliary_device to be created pds_core: make pdsc_auxbus_dev_del() void cxl: Fixup kdoc issues for include/cxl/features.h fwctl/cxl: Add documentation to FWCTL CXL cxl/test: Add Set Feature support to cxl_test cxl/test: Add Get Feature support to cxl_test cxl: Add support to handle user feature commands for set feature cxl: Add support to handle user feature commands for get feature cxl: Add support for fwctl RPC command to enable CXL feature commands cxl: Move cxl feature command structs to user header cxl: Add FWCTL support to CXL mlx5: Create an auxiliary device for fwctl_mlx5 fwctl/mlx5: Support for communicating with mlx5 fw fwctl: Add documentation fwctl: FWCTL_RPC to execute a Remote Procedure Call to device firmware taint: Add TAINT_FWCTL ... List of files: /linux/drivers/fwctl/Makefile

4d09dd11d7d0e7e7f535c0abc7de19b9da6612e9 - pds_fwctl: initial driver framework

Thu, 20 Mar 2025 20:44:10 +0100

pds_fwctl: initial driver frameworkInitial files for adding a new fwctl driver for the AMD/Pensando PDSdevices. This sets up a simple auxiliary_bus driver that registerswith fwctl subsystem. It expects that a pds_core device has set upthe auxiliary_device pds_core.fwctlLink: https://patch.msgid.link/r/20250320194412.67983-5-shannon.nelson@amd.comReviewed-by: Leon Romanovsky Reviewed-by: Dave Jiang Reviewed-by: Jonathan Cameron Signed-off-by: Shannon Nelson Signed-off-by: Jason Gunthorpe List of files: /linux/drivers/fwctl/Makefile

52929c21420412b74858ee4ce71480ff9f398019 - fwctl/mlx5: Support for communicating with mlx5 fw

Fri, 28 Feb 2025 01:26:35 +0100

fwctl/mlx5: Support for communicating with mlx5 fwmlx5 FW has a built in security context called UID. Each UID has a set ofpermissions controlled by the kernel when it is created and every commandis tagged by the kernel with a particular UID. In general commands cannotreach objects outside of their UID and commands cannot exceed their UID'spermissions. These restrictions are enforced by FW.This mechanism has long been used in RDMA for the devx interface whereRDMA will sent commands directly to the FW and the UID limitationsrestrict those commands to a ib_device/verbs security domain. For instancecommands that would effect other VFs, or global device resources. Themodel is suitable for unprivileged userspace to operate the RDMAfunctionality.The UID has been extended with a "tools resources" permission which allowsadditional commands and sub-commands that are intended to match with thescope limitations set in FWCTL. This is an alternative design to the"command intent log" where the FW does the enforcement rather than havingthe FW report the enforcement the kernel should do.Consistent with the fwctl definitions the "tools resources" securitycontext is limited to the FWCTL_RPC_CONFIGURATION,FWCTL_RPC_DEBUG_READ_ONLY, FWCTL_RPC_DEBUG_WRITE, andFWCTL_RPC_DEBUG_WRITE_FULL security scopes.Like RDMA devx, each opened fwctl file descriptor will get a unique UIDassociated with each file descriptor.The fwctl driver is kept simple and we reject commands that can createobjects as the UID mechanism relies on the kernel to track and destroyobjects prior to detroying the UID. Filtering into fwctl sub scopes isdone inside the driver with a switch statement. This substantially limitswhat is possible to primarily query functions ad a few limited setoperations.mlx5 already has a robust infrastructure for delivering RPC messages tofw. Trivially connect fwctl's RPC mechanism to mlx5_cmd_do(). Enforce theUser Context ID in every RPC header accepted from the FD so the FW knowsthe security context of the issuing ID.Link: https://patch.msgid.link/r/7-v5-642aa0c94070+4447f-fwctl_jgg@nvidia.comReviewed-by: Jonathan Cameron Signed-off-by: Saeed Mahameed Reviewed-by: Leon Romanovsky Signed-off-by: Jason Gunthorpe List of files: /linux/drivers/fwctl/Makefile

2e4986cf2d525eed3a240b7821f89ca45cf36d78 - fwctl: Add basic structure for a class subsystem with a cdev

Fri, 28 Feb 2025 01:26:29 +0100

fwctl: Add basic structure for a class subsystem with a cdevCreate the class, character device and functions for a fwctl driver toun/register to the subsystem.A typical fwctl driver has a sysfs presence like:$ ls -l /dev/fwctl/fwctl0crw------- 1 root root 250, 0 Apr 25 19:16 /dev/fwctl/fwctl0$ ls /sys/class/fwctl/fwctl0dev device power subsystem uevent$ ls /sys/class/fwctl/fwctl0/device/infiniband/ibp0s10f0$ ls /sys/class/infiniband/ibp0s10f0/device/fwctl/fwctl0/$ ls /sys/devices/pci0000:00/0000:00:0a.0/fwctl/fwctl0dev device power subsystem ueventWhich allows userspace to link all the multi-subsystem driver componentstogether and learn the subsystem specific names for the device'scomponents.Link: https://patch.msgid.link/r/1-v5-642aa0c94070+4447f-fwctl_jgg@nvidia.comReviewed-by: Jonathan Cameron Reviewed-by: Dan Williams Reviewed-by: Dave Jiang Reviewed-by: Shannon Nelson Tested-by: Dave Jiang Tested-by: Shannon Nelson Signed-off-by: Jason Gunthorpe List of files: /linux/drivers/fwctl/Makefile