vtscmi: Add a virtio-scmi driver

Add a new virtio backend to support SCMI VirtIO devices (type 32) as defined by the VirtIO specification since version v1.2. https://docs.oasis-open.org/virtio/virtio/v1.2/cs01/virtio-v1.2-cs01.pdf Reviewed by: andrew, bryanv Sponsored by: Arm Ltd Differential Revision: https://reviews.freebsd.org/D43047
evadot · Apr 11, 2024 · e1c4c8d · e1c4c8d
1 parent 35f9320
commit e1c4c8d
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diff --git a/sys/arm64/conf/NOTES b/sys/arm64/conf/NOTES
@@ -66,6 +66,7 @@ device		virtio_pci
 device		virtio_mmio
 device		virtio_blk
 device		vtnet
+device		virtio_scmi
 
 # Google Virtual NIC
 device		gve		# Google Virtual NIC (gVNIC) driver

diff --git a/sys/arm64/conf/std.virt b/sys/arm64/conf/std.virt
@@ -20,6 +20,7 @@ device		virtio_pci		# VirtIO PCI device
 device		virtio_mmio		# VirtIO Memory Mapped IO device
 device		virtio_blk		# VirtIO Block device
 device		virtio_gpu		# VirtIO GPU device
+device		virtio_scmi 		# VirtIO SCMI device
 device		virtio_scsi		# VirtIO SCSI device
 device		vtnet			# VirtIO Ethernet device
 

diff --git a/sys/conf/files b/sys/conf/files
@@ -3422,6 +3422,7 @@ dev/virtio/gpu/virtio_gpu.c		optional	virtio_gpu
 dev/virtio/scsi/virtio_scsi.c		optional	virtio_scsi
 dev/virtio/random/virtio_random.c	optional	virtio_random
 dev/virtio/console/virtio_console.c	optional	virtio_console
+dev/virtio/scmi/virtio_scmi.c		optional	virtio_scmi
 dev/vkbd/vkbd.c			optional vkbd
 dev/vmgenc/vmgenc_acpi.c	optional acpi
 dev/vmware/vmxnet3/if_vmx.c		optional vmx