linux-kernel - [PATCH v5 0/2] Introduce some interfaces for ACRN hypervisor HSM driver

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Date:   Thu, 23 Sep 2021 16:41:26 +0800
From:   Fei Li <fei1.li@...el.com>
To:     gregkh@...uxfoundation.org
Cc:     linux-kernel@...r.kernel.org, yu1.wang@...el.com,
        shuox.liu@...il.com, fei1.li@...el.com
Subject: [PATCH v5 0/2] Introduce some interfaces for ACRN hypervisor HSM driver

Add some new interfaces for ACRN hypervisor HSM driver:
  - MMIO device passthrough
  - virtual device creating/destroying
  - platform information fetching from the hypervisor

---
ChangeLog:
v5:
 - add comments where is the userspace code that uses the new api in commit log.
 - specify the endian for some fields in struct acrn_vdev.

v4:
 - remove "RFC" from Subject field.

v3:
 - remove "platform information fetching from the hypervisor". What platform
   information needs to be fetched has not been finally decided. Will send tis
   patch out once that has been decided.
 - add comments where is the userspace code that uses this new api:
   - MMIO device passthrough
     (a) assign a MMIO device to a User VM
     https://github.com/projectacrn/acrn-hypervisor/blob/master/devicemodel/core/vmmapi.c#L562
     (b) de-assign a MMIO device from a User VM
     https://github.com/projectacrn/acrn-hypervisor/blob/master/devicemodel/core/vmmapi.c#L568
   - virtual device creating/destroying
     (a) create a virtual device for a User VM
     https://github.com/projectacrn/acrn-hypervisor/blob/master/devicemodel/core/vmmapi.c#L606
     (b) destroy a virtual device of a User VM
     https://github.com/projectacrn/acrn-hypervisor/blob/master/devicemodel/core/vmmapi.c#L612

v2:
 - remove "stable@...r.kernel.org" in the cc list since this patch set
   doesn't fix any anything, it's not for Linux -stable releases. 


Shuo Liu (2):
  virt: acrn: Introduce interfaces for MMIO device passthrough
  virt: acrn: Introduce interfaces for virtual device
    creating/destroying

 drivers/virt/acrn/hsm.c       | 49 ++++++++++++++++++++++++
 drivers/virt/acrn/hypercall.h | 52 ++++++++++++++++++++++++++
 include/uapi/linux/acrn.h     | 70 +++++++++++++++++++++++++++++++++++
 3 files changed, 171 insertions(+)


base-commit: 58e2cf5d794616b84f591d4d1276c8953278ce24
-- 
2.17.1