Documentation: update to AcrnGT official name

Update the ACRN documentation to use the official name of GVT-g
in ACRN to "AcrnGT" (ACRN-GT was previously widely used).

Also update the few occurences of "GVT-G" to "GVT-g" to be
consistent across our documentation. This includes a couple of
file name updates.

Signed-off-by: Geoffroy Van Cutsem <geoffroy.vancutsem@intel.com>

doc/api/GVT-g_api.rst

@@ -5,13 +5,13 @@ ACRN GVT-g APIs
 
 GVT-g is Intel's open source GPU virtualization solution and is up-streamed to
 the Linux kernel. Its implementation over KVM is named KVMGT, over Xen it is
-named XenGT, and over ACRN it is named ACRN-GT. GVT-g can exports multiple
+named XenGT, and over ACRN it is named AcrnGT. GVT-g can exports multiple
 virtual GPU (vGPU) instances for virtual machine system (VM). A VM could be
 assigned one vGPU instance. The guest OS graphic driver needs minor
 modification to drive the vGPU adapter in a VM. Every vGPU instance will adopt
 the full HW GPU’s accelerate capability for 3D render and display.
 
-In the following document, ACRN-GT refers to the glue layer between ACRN
+In the following document, AcrnGT refers to the glue layer between ACRN
 hypervisor and GVT-g core device model. It works as the agent of
 hypervisor-related services. It is the only layer that needs to get rewritten
 when porting GVT-g to another hypervisor. For simplicity, in the rest of this
@@ -47,7 +47,7 @@ Intel GVT-g Host Support(vGPU device model)
    :internal:
 
 
-VHM APIs called from ACRN-GT
+VHM APIs called from AcrnGT
 ****************************
 
 The Virtio and Hypervisor Service Module (VHM) is a kernel module in the
@@ -83,14 +83,14 @@ responses to user space modules, notified by vIRQ injections.
 
 .. _MPT_interface:
 
-ACRN-GT mediated pass-through (MPT) interface
+AcrnGT mediated pass-through (MPT) interface
 **************************************************
 
-ACRN-GT receives request from GVT module through MPT interface. Refer to the
+AcrnGT receives request from GVT module through MPT interface. Refer to the
 :ref:`Graphic_mediation` page.
 
 A collection of function callbacks in the MPT module will be attached to GVT
-host at the driver loading stage. ACRN-GT MPT function callbacks are described
+host at the driver loading stage. AcrnGT MPT function callbacks are described
 as below:
 
 
@@ -185,10 +185,10 @@ in the `ACRN kernel GitHub repo`_
 
 .. _sysfs_interface:
 
-ACRN-GT sysfs interface
+AcrnGT sysfs interface
 ***********************
 
-This section contains APIs for the ACRN-GT sysfs interface. Sources are found
+This section contains APIs for the AcrnGT sysfs interface. Sources are found
 in the `ACRN kernel GitHub repo`_
 
 
@@ -212,7 +212,7 @@ figure out what kind of error occurs.
 /sys/kernel/gvt/
 ----------------
 
-The ``/sys/kernel/gvt/`` class sub-directory belongs to ACRN-GT and provides a
+The ``/sys/kernel/gvt/`` class sub-directory belongs to AcrnGT and provides a
 centralized sysfs interface for configuring vGPU properties.
 
 

doc/developer-guides/APL_GVT-g-hld.rst

@@ -1,6 +1,6 @@
-.. _APL_GVT-G-hld:
+.. _APL_GVT-g-hld:
 
-GVT-G high-level design
+GVT-g high-level design
 #######################
 
 Introduction
@@ -55,7 +55,7 @@ native graphics driver can run directly inside a VM.
 Intel® GVT-g technology for Apollo Lake (APL) has been implemented in
 open source hypervisors or Virtual Machine Monitors (VMMs):
 
--  Intel® GVT-g for ACRN, also known as, "ACRN-GVT"
+-  Intel® GVT-g for ACRN, also known as, "AcrnGT"
 -  Intel® GVT-g for KVM, also known as, "KVMGT"
 -  Intel® GVT-g for Xen, also known as, "XenGT"
 
@@ -349,7 +349,7 @@ exposed by the GVT device model.
    :align: center
    :name: gvt-arch
 
-   ACRN-GVT High-level Architecture
+   AcrnGT High-level Architecture
 
 Key Techniques
 **************
@@ -892,18 +892,18 @@ UOS. This policy can be enforced through an SOS i915 kernel command line
 parameter, and can replace the default in-order command submission (no
 preemption) policy.
 
-ACRN-GT
+AcrnGT
 *******
 
 ACRN is a flexible, lightweight reference hypervisor, built with
 real-time and safety-criticality in mind, optimized to streamline
 embedded development through an open source platform.
 
-ACRN-GT is the GVT-g implementation on the ACRN hypervisor. It adapts
+AcrnGT is the GVT-g implementation on the ACRN hypervisor. It adapts
 the MPT interface of GVT-g onto ACRN by using the kernel APIs provided
 by ACRN.
 
-:numref:`full-pic` shows the full architecture of ACRN-GT with a Linux Guest
+:numref:`full-pic` shows the full architecture of AcrnGT with a Linux Guest
 OS and an Android Guest OS.
 
 .. figure:: images/APL_GVT-g-full-pic.png
@@ -911,16 +911,16 @@ OS and an Android Guest OS.
    :align: center
    :name: full-pic
 
-   Full picture of the ACRN-GT
+   Full picture of the AcrnGT
 
-ACRN-GT in kernel
+AcrnGT in kernel
 =================
 
-The ACRN-GT module in the SOS kernel acts as an adaption layer to connect
+The AcrnGT module in the SOS kernel acts as an adaption layer to connect
 between GVT-g in the i915, the VHM module, and the ACRN-DM user space
 application:
 
--  ACRN-GT module implements the MPT interface of GVT-g to provide
+-  AcrnGT module implements the MPT interface of GVT-g to provide
    services to it, including set and unset trap areas, set and unset
    write-protection pages, etc.
 
@@ -931,10 +931,10 @@ application:
 -  It provides user space interfaces through ``sysfs`` to the user space
    ACRN-DM, so that DM can manage the lifecycle of the virtual GPUs.
 
-ACRN-GT in DM
+AcrnGT in DM
 =============
 
-To emulate a PCI device to a Guest, we need an ACRN-GT sub-module in the
+To emulate a PCI device to a Guest, we need an AcrnGT sub-module in the
 ACRN-DM.  This sub-module is responsible for:
 
 -  registering the virtual GPU device to the PCI device tree presented to

doc/developer-guides/GVT-g-porting.rst

@@ -1,6 +1,6 @@
-.. _GVT-G-porting:
+.. _GVT-g-porting:
 
-GVT-G Enabling and Porting Guide
+GVT-g Enabling and Porting Guide
 ################################
 
 Introduction
@@ -8,14 +8,14 @@ Introduction
 
 GVT-g is Intel's Open Source GPU virtualization solution, up-streamed to
 the Linux kernel. Its implementation over KVM is named KVMGT, over Xen
-is named XenGT, and over ACRN is named ACRN-GT. GVT-g can export
+is named XenGT, and over ACRN is named AcrnGT. GVT-g can export
 multiple virtual-GPU (vGPU) instances for virtual machine (VM) system. A
 VM can be assigned one instance of a vGPU. The guest OS graphic driver
 needs only minor modifications to drive the vGPU adapter in a VM. Every
 vGPU instance adopts the full HW GPU's acceleration capability for
 media, 3D rendering, and display.
 
-ACRN-GT refers to the glue layer between the ACRN hypervisor and GVT-g
+AcrnGT refers to the glue layer between the ACRN hypervisor and GVT-g
 core device model. It works as the agent of hypervisor-related services.
 It is the only layer that needs to be rewritten when porting GVT-g to
 other specific hypervisors.
@@ -45,14 +45,14 @@ Overall Components
 ******************
 
 For the GVT-g solution for the ACRN  hypervisor, there are two
-key modules: ACRN-GT and GVT:
+key modules: AcrnGT and GVT:
 
-ACRN-GT module
+AcrnGT module
-  Compiled from ``drivers/gpu/drm/i915/gvt/acrn_gvt.c``, the ACRN-GT
+  Compiled from ``drivers/gpu/drm/i915/gvt/acrn_gvt.c``, the AcrnGT
   module acts as a glue layer between the ACRN hypervisor and the
   interface to the ACRN-DM in user space.
 
-  ACRN-GT is the agent of hypervisor related services, including I/O trap
+  AcrnGT is the agent of hypervisor related services, including I/O trap
   request, IRQ injection, address translation, VM controls, etc. It also
   listens to ACRN hypervisor in ``acrngt_emulation_thread``, and informs GVT
   module of I/O traps.
@@ -61,7 +61,7 @@ ACRN-GT module
   Device Model's routines, and receives request from GVT module through
   the :ref:`MPT_interface`.
 
-  User space programs, such as ACRN-DM, communicate with ACRN-GT through
+  User space programs, such as ACRN-DM, communicate with AcrnGT through
   the :ref:`sysfs_interface` by writing to sysfs node
   ``/sys/kernel/gvt/control/create_gvt_instance``.
 
@@ -87,7 +87,7 @@ VHM module
   I/O responses to user space modules, notified by vIRQ injections.
 
 
-.. figure:: images/GVT-G-porting-image1.png
+.. figure:: images/GVT-g-porting-image1.png
    :width: 700px
    :align: center
    :name: GVT-g_components
@@ -101,27 +101,27 @@ Core scenario interaction sequences
 vGPU creation scenario
 ======================
 
-In this scenario, ACRN-GT receives a create request from ACRN-DM. It
+In this scenario, AcrnGT receives a create request from ACRN-DM. It
 calls GVT's :ref:`intel_gvt_ops_interface` to inform GVT of vGPU
 creation. This interface sets up all vGPU resources such as MMIO, GMA,
-PVINFO, GTT, DISPLAY, and Execlists, and calls back to the ACRN-GT
+PVINFO, GTT, DISPLAY, and Execlists, and calls back to the AcrnGT
 module through the :ref:`MPT_interface` ``attach_vgpu``. Then, the
-ACRN-GT module sets up an I/O request server and asks to trap the PCI
+AcrnGT module sets up an I/O request server and asks to trap the PCI
 configure space of the vGPU (virtual device 0:2:0) via VHM's APIs.
-Finally, the ACRN-GT module launches a ACRN-GT emulation thread to
+Finally, the AcrnGT module launches a AcrnGT emulation thread to
 listen to I/O trap notifications from HVM and ACRN hypervisor.
 
 vGPU destroy scenario
 =====================
 
-In this scenario, ACRN-GT receives a destroy request from ACRN-DM. It
+In this scenario, AcrnGT receives a destroy request from ACRN-DM. It
 calls GVT's :ref:`intel_gvt_ops_interface` to inform GVT of the vGPU destroy
 request, and cleans up all vGPU resources.
 
 vGPU pci configure space write scenario
 =======================================
 
-ACRN traps the vGPU's PCI config space write, notifies ACRN-GT's
+ACRN traps the vGPU's PCI config space write, notifies AcrnGT's
 ``acrngt_emulation_thread``, which calls ``acrngt_hvm_pio_emulation`` to
 handle all I/O trap notifications. This routine calls the GVT's
 :ref:`intel_gvt_ops_interface` ``emulate_cfg_write`` to emulate the vGPU PCI

doc/developer-guides/index.rst

@@ -26,7 +26,7 @@ specific areas within the ACRN hypervisor system.
    ACPI-virt-hld.rst
    interrupt-hld.rst
    APL_GVT-g-hld.rst
-   GVT-G-porting.rst
+   GVT-g-porting.rst
 
 Contributing to the project
 ***************************

doc/glossary.rst

@@ -16,6 +16,9 @@ Glossary of Terms
       real-time and safety-criticality in mind, optimized to streamline
       embedded development through an open source platform.
 
+   AcrnGT
+      Intel GVT-g technology for ACRN.
+
    ACRN-DM
       A user mode device model application running in Service OS to provide
       device emulations in ACRN hypervisor.