Commit ee3a5b23 authored Mar 08, 2022 by Shameer Kolothum Committed by Alex Williamson Mar 15, 2022

hisi_acc_vfio_pci: add new vfio_pci driver for HiSilicon ACC devices



Add a vendor-specific vfio_pci driver for HiSilicon ACC devices.
This will be extended in subsequent patches to add support for VFIO
live migration feature.

Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20220308184902.2242-5-shameerali.kolothum.thodi@huawei.com


Signed-off-by: Alex Williamson <alex.williamson@redhat.com>

parent fae74fea

MAINTAINERS

+7 −0

Original line number	Diff line number	Diff line
		@@ -20305,6 +20305,13 @@ L: kvm@vger.kernel.org
		S: Maintained
		F: drivers/vfio/fsl-mc/

		VFIO HISILICON PCI DRIVER
		M: Longfang Liu <liulongfang@huawei.com>
		M: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
		L: kvm@vger.kernel.org
		S: Maintained
		F: drivers/vfio/pci/hisilicon/

		VFIO MEDIATED DEVICE DRIVERS
		M: Kirti Wankhede <kwankhede@nvidia.com>
		L: kvm@vger.kernel.org

drivers/vfio/pci/Kconfig

+2 −0

Original line number	Diff line number	Diff line
		@@ -46,4 +46,6 @@ endif

		source "drivers/vfio/pci/mlx5/Kconfig"

		source "drivers/vfio/pci/hisilicon/Kconfig"

		endif

drivers/vfio/pci/Makefile

+2 −0

Original line number	Diff line number	Diff line
		@@ -9,3 +9,5 @@ vfio-pci-$(CONFIG_VFIO_PCI_IGD) += vfio_pci_igd.o
		obj-$(CONFIG_VFIO_PCI) += vfio-pci.o

		obj-$(CONFIG_MLX5_VFIO_PCI) += mlx5/

		obj-$(CONFIG_HISI_ACC_VFIO_PCI) += hisilicon/

drivers/vfio/pci/hisilicon/Kconfig

0 → 100644

+10 −0

Original line number	Diff line number	Diff line
		# SPDX-License-Identifier: GPL-2.0-only
		config HISI_ACC_VFIO_PCI
		tristate "VFIO PCI support for HiSilicon ACC devices"
		depends on ARM64 \|\| (COMPILE_TEST && 64BIT)
		depends on VFIO_PCI_CORE
		help
		This provides generic PCI support for HiSilicon ACC devices
		using the VFIO framework.

		If you don't know what to do here, say N.

drivers/vfio/pci/hisilicon/Makefile

0 → 100644

+4 −0

Original line number	Diff line number	Diff line
		# SPDX-License-Identifier: GPL-2.0-only
		obj-$(CONFIG_HISI_ACC_VFIO_PCI) += hisi-acc-vfio-pci.o
		hisi-acc-vfio-pci-y := hisi_acc_vfio_pci.o