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/linux-6.14.4/Documentation/networking/device_drivers/ethernet/mellanox/mlx5/
Dswitchdev.rst70 mlx5 supports subfunction management using devlink port (see :ref:`Documentation/networking/devlink…
72 A subfunction has its own function capabilities and its own resources. This
73 means a subfunction has its own dedicated queues (txq, rxq, cq, eq). These
76 When a subfunction is RDMA capable, it has its own QP1, GID table, and RDMA
79 A subfunction has a dedicated window in PCI BAR space that is not shared
81 devices (netdev, rdma, vdpa, etc.) of the subfunction accesses only assigned
84 A subfunction supports eswitch representation through which it supports tc
86 the subfunction port.
120 | subfunction | | +---------------+ | subfunction |
121 | management driver|----- | subfunction |---| driver |
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Dkconfig.rst116 | Build support for subfunction.
118 | will enable support for creating subfunction devices.
123 | Build support for subfuction port in the NIC. A Mellanox subfunction
124 | port is managed through devlink. A subfunction supports RDMA, netdevice
/linux-6.14.4/Documentation/networking/devlink/
Ddevlink-port.rst39 subfunction (SF).
336 SRIOV VFs, a subfunction doesn't require its own PCI virtual function.
337 A subfunction communicates with the hardware through the parent PCI function.
339 To use a subfunction, 3 steps setup sequence is followed:
341 1) create - create a subfunction;
342 2) configure - configure subfunction attributes;
343 3) deploy - deploy the subfunction;
346 User performs setup on the subfunction management device.
350 A subfunction is created using a devlink port interface. A user adds the
351 subfunction by adding a devlink port of subfunction flavour. The devlink
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/linux-6.14.4/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-6.14.4/drivers/net/ethernet/mellanox/mlx5/core/
DKconfig186 bool "Mellanox Technologies subfunction device support using auxiliary device"
189 Build support for subfuction device in the NIC. A Mellanox subfunction
198 Build support for subfuction port in the NIC. A Mellanox subfunction
199 port is managed through devlink. A subfunction supports RDMA, netdevice
/linux-6.14.4/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-6.14.4/Documentation/virt/kvm/s390/
Ds390-diag.rst44 General register 1 contains the subfunction code. Supported subfunctions
53 If the specified subfunction is not supported, a SPECIFICATION exception
94 this subfunction.
/linux-6.14.4/arch/x86/kernel/
Dvm86_32.c167 static int do_vm86_irq_handling(int subfunction, int irqnumber);
798 static int do_vm86_irq_handling(int subfunction, int irqnumber) in do_vm86_irq_handling() argument
801 switch (subfunction) { in do_vm86_irq_handling()
/linux-6.14.4/Documentation/networking/
Drepresentors.rst47 these administrative privileges instead to a VF or SF (subfunction).