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/Linux-v5.15/Documentation/networking/devlink/
Ddevlink-port.rst39 subfunction (SF).
130 SRIOV VFs, a subfunction doesn't require its own PCI virtual function.
131 A subfunction communicates with the hardware through the parent PCI function.
133 To use a subfunction, 3 steps setup sequence is followed.
134 (1) create - create a subfunction;
135 (2) configure - configure subfunction attributes;
136 (3) deploy - deploy the subfunction;
139 User performs setup on the subfunction management device.
143 A subfunction is created using a devlink port interface. A user adds the
144 subfunction by adding a devlink port of subfunction flavour. The devlink
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/Linux-v5.15/Documentation/networking/device_drivers/ethernet/mellanox/
Dmlx5.rst16 - `mlx5 subfunction`_
105 | Build support for subfunction.
107 | will enable support for creating subfunction devices.
252 mlx5 subfunction
254 mlx5 supports subfunction management using devlink port (see :ref:`Documentation/networking/devlink…
257 means a subfunction has its own dedicated queues (txq, rxq, cq, eq). These
260 When a subfunction is RDMA capable, it has its own QP1, GID table and rdma
263 A subfunction has a dedicated window in PCI BAR space that is not shared
265 devices (netdev, rdma, vdpa etc.) of the subfunction accesses only assigned
270 the subfunction port.
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/Linux-v5.15/Documentation/devicetree/bindings/leds/
Dleds-mt6323.txt3 MT6323 LED controller is subfunction provided by MT6323 PMIC, so the LED
6 using shared bus called PMIC wrapper for each subfunction to access remote
/Linux-v5.15/Documentation/virt/kvm/devices/
Dvm.rst147 A subfunction block is only valid if KVM_S390_VM_CPU_MACHINE contains the
149 indicates subfunctions via a "query subfunction", the response block is
151 indicates subfunctions via a "test bit" mechanism, the subfunction codes are
175 :Parameters: address of a buffer to load the subfunction blocks from.
186 The kernel uses the configured subfunction blocks for indication to
187 the guest. A subfunction block will only be used if the associated STFL(E) bit
198 :Parameters: address of a buffer to store/load the subfunction blocks from.
/Linux-v5.15/sound/firewire/
Dfcp.h25 unsigned int subunit_id, unsigned int subfunction,
Dfcp.c140 unsigned int subunit_id, unsigned int subfunction, in avc_general_get_plug_info() argument
158 buf[3] = 0xff & subfunction; in avc_general_get_plug_info()
/Linux-v5.15/drivers/net/ethernet/mellanox/mlx5/core/
DKconfig220 bool "Mellanox Technologies subfunction device support using auxiliary device"
223 Build support for subfuction device in the NIC. A Mellanox subfunction
232 Build support for subfuction port in the NIC. A Mellanox subfunction
233 port is managed through devlink. A subfunction supports RDMA, netdevice
/Linux-v5.15/arch/x86/kernel/
Dvm86_32.c167 static int do_vm86_irq_handling(int subfunction, int irqnumber);
799 static int do_vm86_irq_handling(int subfunction, int irqnumber) in do_vm86_irq_handling() argument
802 switch (subfunction) { in do_vm86_irq_handling()
/Linux-v5.15/Documentation/virt/kvm/
Ds390-diag.rst44 General register 1 contains the virtio subfunction code. Supported
/Linux-v5.15/arch/s390/
DKconfig553 instruction subfunction TRNG which provides a real true random