| Message ID | 20210820060306.10682-1-fei1.li@intel.com |
|---|---|
| Headers | show |
| Series | Introduce some interfaces for ACRN hypervisor HSM | expand |
On Fri, Aug 20, 2021 at 02:03:03PM +0800, Fei Li wrote: > Add some new interfaces for ACRN hypervisor HSM driver: > - MMIO device passthrough > - virtual device creating/destroying > - platform information fetching from the hypervisor > > Shuo Liu (3): > virt: acrn: Introduce interfaces for MMIO device passthrough > virt: acrn: Introduce interfaces for virtual device > creating/destroying > virt: acrn: Introduce interface to fetch platform info from the > hypervisor > > drivers/virt/acrn/hsm.c | 102 ++++++++++++++++++++++++++++++ > drivers/virt/acrn/hypercall.h | 64 +++++++++++++++++++ > include/uapi/linux/acrn.h | 114 ++++++++++++++++++++++++++++++++++ > 3 files changed, 280 insertions(+) > > > base-commit: 7c60610d476766e128cc4284bb6349732cbd6606 > -- > 2.25.1 > <formletter> This is not the correct way to submit patches for inclusion in the stable kernel tree. Please read: https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html for how to do this properly. </formletter>
On Fri, Aug 20, 2021 at 02:03:04PM +0800, Fei Li wrote: > From: Shuo Liu <shuo.a.liu@intel.com> > > MMIO device passthrough enables an OS in a virtual machine to directly > access a MMIO device in the host. It promises almost the native > performance, which is required in performance-critical scenarios of > ACRN. > > HSM provides the following ioctls: > - Assign - ACRN_IOCTL_ASSIGN_MMIODEV > Pass data struct acrn_mmiodev from userspace to the hypervisor, and > inform the hypervisor to assign a MMIO device to a User VM. > > - De-assign - ACRN_IOCTL_DEASSIGN_PCIDEV > Pass data struct acrn_mmiodev from userspace to the hypervisor, and > inform the hypervisor to de-assign a MMIO device from a User VM. > > Signed-off-by: Shuo Liu <shuo.a.liu@intel.com> > Signed-off-by: Fei Li <fei1.li@intel.com> > --- > drivers/virt/acrn/hsm.c | 25 +++++++++++++++++++++++++ > drivers/virt/acrn/hypercall.h | 26 ++++++++++++++++++++++++++ > include/uapi/linux/acrn.h | 28 ++++++++++++++++++++++++++++ > 3 files changed, 79 insertions(+) > <formletter> This is not the correct way to submit patches for inclusion in the stable kernel tree. Please read: https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html for how to do this properly. </formletter>
On Fri, Aug 20, 2021 at 02:03:06PM +0800, Fei Li wrote: > From: Shuo Liu <shuo.a.liu@intel.com> > > The ACRN hypervisor configures the guest VMs information statically and > builds guest VM configurations within the hypervisor. There are also > some hardware information are stored in the hypervisor in boot stage. > The ACRN userspace needs platform information to do the orchestration. > > The HSM provides the following interface for the ACRN userspace to fetch > platform info: > - ACRN_IOCTL_GET_PLATFORM_INFO > Exchange the basic information by a struct acrn_platform_info. If the > ACRN userspace provides a userspace buffer (whose vma filled in > vm_configs_addr), the HSM creates a bounce buffer (kmalloced for > continuous memory region) to fetch VM configurations data from the > hypervisor. > > Signed-off-by: Shuo Liu <shuo.a.liu@intel.com> > Signed-off-by: Fei Li <fei1.li@intel.com> > --- > drivers/virt/acrn/hsm.c | 53 +++++++++++++++++++++++++++++++++++ > drivers/virt/acrn/hypercall.h | 12 ++++++++ > include/uapi/linux/acrn.h | 44 +++++++++++++++++++++++++++++ > 3 files changed, 109 insertions(+) : <formletter> This is not the correct way to submit patches for inclusion in the stable kernel tree. Please read: https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html for how to do this properly. </formletter>
Add some new interfaces for ACRN hypervisor HSM driver: - MMIO device passthrough - virtual device creating/destroying - platform information fetching from the hypervisor Shuo Liu (3): virt: acrn: Introduce interfaces for MMIO device passthrough virt: acrn: Introduce interfaces for virtual device creating/destroying virt: acrn: Introduce interface to fetch platform info from the hypervisor drivers/virt/acrn/hsm.c | 102 ++++++++++++++++++++++++++++++ drivers/virt/acrn/hypercall.h | 64 +++++++++++++++++++ include/uapi/linux/acrn.h | 114 ++++++++++++++++++++++++++++++++++ 3 files changed, 280 insertions(+) base-commit: 7c60610d476766e128cc4284bb6349732cbd6606