bhyve: Improve pcifd function naming

read_config() and write_config() are externally visible, so give them
more descriptive names. No functional change intended.

MFC after: 1 week
Sponsored by: In

bhyve: Improve pcifd function naming

read_config() and write_config() are externally visible, so give them
more descriptive names. No functional change intended.

MFC after: 1 week
Sponsored by: Innovate UK

show more ...

bhyve: add empty GVT-d emulation

Don't emulate anything yet. Just check if the user would like to pass an
Intel GPU to the guest.

Reviewed by: jhb, markj
MFC after: 1 week
Sponsored by: Beckhoff

bhyve: add empty GVT-d emulation

Don't emulate anything yet. Just check if the user would like to pass an
Intel GPU to the guest.

Reviewed by: jhb, markj
MFC after: 1 week
Sponsored by: Beckhoff Automation GmbH & Co. KG
Differential Revision: https://reviews.freebsd.org/D40038

show more ...

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of BSD-2-Clause.

Discussed with: pfg
MFC After: 3 days
Sponsored by: Netflix

show more ...

bhyve: add helper for passthru specific mmio ranges

Intel GPUs have two special memory regions. They are called Graphics
Stolen Memory and OpRegion. bhyve has to emulate both of them. In order
to ke

bhyve: add helper for passthru specific mmio ranges

Intel GPUs have two special memory regions. They are called Graphics
Stolen Memory and OpRegion. bhyve has to emulate both of them. In order
to keep track of those special regions, add generic mmio ranges to the
passthru emulation.

Reviewed by: markj
MFC after: 1 week
Sponsored by: Beckhoff Automation GmbH & Co. KG
Differential Revision: https://reviews.freebsd.org/D40036

show more ...

bhyve: make passthru sel public available

The GVT-d emulation requires access to this selector to read from the
device.

Reviewed by: markj
MFC after: 1 week
Sponsored by: Beckhoff Automation Gmb

bhyve: make passthru sel public available

The GVT-d emulation requires access to this selector to read from the
device.

Reviewed by: markj
MFC after: 1 week
Sponsored by: Beckhoff Automation GmbH & Co. KG
Differential Revision: https://reviews.freebsd.org/D40035

show more ...

bhyve: add hook for PCI header of passthru devices

Most register of the PCI header are either constant values or require
emulation anyway. The command and status register are the only exception whic

bhyve: add hook for PCI header of passthru devices

Most register of the PCI header are either constant values or require
emulation anyway. The command and status register are the only exception which
require hardware access. So, we're adding an emulation handler for all
other register.

As this emulation handler will be reused by some future features like
GPU passthrough, we directly export it.

Reviewed by: markj
MFC after: 1 week
Sponsored by: Beckhoff Automation GmbH & Co. KG
Differential Revision: https://reviews.freebsd.org/D33010

show more ...

bhyve: define array to protect passthru regs

GPU passthrough requires a special handling of some PCI config register.
Therefore, we need a flexible approach for implementing it. Adding an
array of h

bhyve: define array to protect passthru regs

GPU passthrough requires a special handling of some PCI config register.
Therefore, we need a flexible approach for implementing it. Adding an
array of handler meets this condition.

Start by using the default handler for all accesses to the PCI config
space. In upcoming commits, we can start to split the default handler
into several handler for each register that requires emulation.

Reviewed by: markj
MFC after: 1 week
Sponsored by: Beckhoff Automation GmbH & Co. KG
Differential Revision: https://reviews.freebsd.org/D39291

show more ...

bhyve: export funcs for read/write pci config

Export functions for reading and writing the pci config space from passthru
device to be used by other devices.
This is required for lpc devices to set

bhyve: export funcs for read/write pci config

Export functions for reading and writing the pci config space from passthru
device to be used by other devices.
This is required for lpc devices to set their vendor/device ids to their
physical values.
Otherwise, GPU passthrough for integrated Intel GPUs won't work properly.

Differential Revision: https://reviews.freebsd.org/D33769
Reviewed by: markj
Sponsored by: Beckhoff Automation GmbH & Co. KG
MFC after: 1 month

show more ...