[PATCH v3 1/1] vfio-user: introduce vfio-user protocol specification

F: include/semihosting/ F: tests/tcg/multiarch/arm-compat-semi/ F: tests/tcg/aarch64/system/semiheap.c -Multi-process QEMU +Multi-process QEMU / vfio-user M: Elena Ufimtseva M: Jagannathan Raman +M: Thanos Makatos S: Maintained F: docs/devel/multi-process.rst +F: docs/devel/vfio-user.rst F: docs/sy

[PATCH v3 0/1] introduce vfio-user protocol specification

Hi, This patch is a continuation of the following patch that John Johnson sent out for review already: [PATCH v2 01/23] vfio-user: introduce vfio-user protocol specification Message-Id: We have separated this patch from the original vfio-user client series. We will send the other patches in tha

[PULL 0/1] maintainers queue

list for vfio-user & multi-process QEMU Signed-off-by: Jagannathan Raman -------- Jagannathan Raman (1): maintainers: update maintainers list for vfio-user & multi-process QEMU MAINTAINERS | 1 - 1 file changed, 1 deletion(-)

[PULL 1/1] maintainers: update maintainers list for vfio-user & multi-process QEMU

Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi Tested-by: Philippe Mathieu-Daudé Reviewed-by: Philippe Mathieu-Daudé --- MAINTAINERS | 1 - 1 file changed, 1 deletion(-) diff --git a/MAINTAINERS b/MAINTAINERS index 436b3f0afefd..4a80a385118d 100644 --- a/MAINTAINERS +++ b

[PATCH 1/1] maintainers: update maintainers list for vfio-user & multi-process QEMU

Signed-off-by: Jagannathan Raman --- MAINTAINERS | 1 - 1 file changed, 1 deletion(-) diff --git a/MAINTAINERS b/MAINTAINERS index 436b3f0afefd..4a80a385118d 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3786,7 +3786,6 @@ F: tests/tcg/aarch64/system/semiheap.c Multi-process QEMU M: Elena

[PATCH 0/1] update maintainers list for vfio-user & multi-process QEMU

John Johnson doesn't work at Oracle anymore. I tried to contact him to get his updated email address, but I haven't heard anything from him. Jagannathan Raman (1): maintainers: update maintainers list for vfio-user & multi-process QEMU MAINTAINERS | 1 - 1 file chang

[PULL 1/2] vfio-user: update comments

Clarify the behavior of TYPE_VFU_OBJECT when TYPE_REMOTE_MACHINE enables the auto-shutdown property. Also, add notes to VFU_OBJECT_ERROR. Signed-off-by: Jagannathan Raman Reviewed-by: Markus Armbruster Reviewed-by: Stefan Hajnoczi --- hw/remote/vfio-user-obj.c | 14 +++--- 1 file

[PULL 0/2] vfio-user queue

ti-process QEMU Signed-off-by: Jagannathan Raman ---- Jagannathan Raman (2): vfio-user: update comments docs: fix multi-process QEMU documentation docs/system/multi-process.rst | 2 +- hw/remote/vfio-user-obj.

[PULL 2/2] docs: fix multi-process QEMU documentation

Fix a typo in the system documentation for multi-process QEMU. Signed-off-by: Jagannathan Raman Reviewed-by: Markus Armbruster Reviewed-by: Stefan Hajnoczi --- docs/system/multi-process.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/system/multi-process.rst b

[PATCH v1 0/2] Fix the documentation for vfio-user and multi-process QEMU

This series addresses recent comments from Markus Armbruster in the "Machine x-remote property auto-shutdown" email thread. Jagannathan Raman (2): vfio-user: update comments docs: fix multi-process QEMU documentation docs/system/multi-process.rst | 2 +- hw/remote/vfio-user-obj.

[PATCH v1 2/2] docs: fix multi-process QEMU documentation

Fix a typo in the system documentation for multi-process QEMU. Signed-off-by: Jagannathan Raman --- docs/system/multi-process.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/system/multi-process.rst b/docs/system/multi-process.rst index 16f0352416..2008a67809 100644

[PATCH v1 1/2] vfio-user: update comments

Clarify the behavior of TYPE_VFU_OBJECT when TYPE_REMOTE_MACHINE enables the auto-shutdown property. Also, add notes to VFU_OBJECT_ERROR. Signed-off-by: Jagannathan Raman --- hw/remote/vfio-user-obj.c | 14 +++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/hw/remote

[PATCH 1/1] vfio-user: update submodule to latest

Update libvfio-user submodule to the latest Signed-off-by: Jagannathan Raman --- subprojects/libvfio-user | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/subprojects/libvfio-user b/subprojects/libvfio-user index 0b28d20557..1305f161b7 16 --- a/subprojects/libvfio-user

[PATCH 0/1] Update vfio-user module to the latest

Hi, This patch updates the libvfio-user submodule to the latest. Passed 'make check' & GitLab CI. Thank you! -- Jag Jagannathan Raman (1): vfio-user: update submodule to latest subprojects/libvfio-user | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -- 2.20.1

[PATCH] msi: fix MSI vector limit check in msi_set_mask()

device interrupts Signed-off-by: Jagannathan Raman --- hw/pci/msi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/hw/pci/msi.c b/hw/pci/msi.c index 5c471b9616..058d1d1ef1 100644 --- a/hw/pci/msi.c +++ b/hw/pci/msi.c @@ -322,9 +322,9 @@ void msi_set_mask(PCIDevice *dev

[PATCH v12 05/14] vfio-user: define vfio-user-server object

Define vfio-user object which is remote process server for QEMU. Setup object initialization functions and properties necessary to instantiate the object Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- qapi

[PATCH v12 07/14] vfio-user: find and init PCI device

Find the PCI device with specified id. Initialize the device context with the QEMU PCI device Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- hw/remote/vfio-user-obj.c | 67

[PATCH v12 14/14] vfio-user: handle reset of remote device

Adds handler to reset a remote device Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- hw/remote/vfio-user-obj.c | 20 1 file changed, 20 insertions(+) diff --git a/hw/remote/vfio-user-obj.c b

[PATCH v12 09/14] vfio-user: handle PCI config space accesses

Define and register handlers for PCI config space accesses Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- hw/remote/vfio-user-obj.c | 51 +++ hw/remote/trace-events| 2

[PATCH v12 12/14] vfio-user: handle PCI BAR accesses

Determine the BARs used by the PCI device and register handlers to manage the access to the same. Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- include/exec/memory.h | 3 + hw/remote/vfio-user-obj.c

[PATCH v12 11/14] vfio-user: handle DMA mappings

Define and register callbacks to manage the RAM regions used for device DMA Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- hw/remote/machine.c | 5 hw/remote/vfio-user-obj.c | 55

[PATCH v12 10/14] vfio-user: IOMMU support for remote device

Assign separate address space for each device in the remote processes. Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- include/hw/remote/iommu.h | 40 hw/remote/iommu.c | 131

[PATCH v12 13/14] vfio-user: handle device interrupts

Forward remote device's interrupts to the guest Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman --- include/hw/pci/msi.h | 1 + include/hw/pci/msix.h | 1 + include/hw/pci/pci.h | 13 +++ inclu

[PATCH v12 08/14] vfio-user: run vfio-user context

Setup a handler to run vfio-user context. The context is driven by messages to the file descriptor associated with it - get the fd for the context and hook up the handler with it Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan

[PATCH v12 04/14] vfio-user: build library

add the libvfio-user library as a submodule. build it as a meson subproject. libvfio-user is distributed with BSD 3-Clause license and json-c with MIT (Expat) license Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi

[PATCH v12 06/14] vfio-user: instantiate vfio-user context

create a context with the vfio-user library to run a PCI device Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- hw/remote/vfio-user-obj.c | 82 +++ 1 file changed, 82 insertions

[PATCH v12 03/14] remote/machine: add vfio-user property

-user fully replaces multiprocess, this property could be removed. Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- include/hw/remote/machine.h | 2 ++ hw/remote/machine.c | 23 +++ 2

[PATCH v12 02/14] remote/machine: add HotplugHandler for remote machine

Allow hotplugging of PCI(e) devices to remote machine Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- hw/remote/machine.c | 10 ++ 1 file changed, 10 insertions(+) diff --git a/hw/remote/machine.c b/hw

[PATCH v12 01/14] qdev: unplug blocker for devices

blocker for the PCIDevice. Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- include/hw/qdev-core.h | 29 + hw/core/qdev.c | 24 softmmu/qdev-monitor.c | 4

[PATCH v12 00/14] vfio-user server in QEMU

msi_set_mask() and msix_set_mask() respectively - Added missing return statement for error case in msi_set_mask() Thank you very much! Jagannathan Raman (14): qdev: unplug blocker for devices remote/machine: add HotplugHandler for remote machine remote/machine: add vfio-user property

[PATCH v11 13/14] vfio-user: handle device interrupts

Forward remote device's interrupts to the guest Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman --- include/hw/pci/msi.h | 1 + include/hw/pci/msix.h | 1 + include/hw/pci/pci.h | 13 +++ inclu

[PATCH v11 12/14] vfio-user: handle PCI BAR accesses

Determine the BARs used by the PCI device and register handlers to manage the access to the same. Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- include/exec/memory.h | 3 + hw/remote/vfio-user-obj.c

[PATCH v11 11/14] vfio-user: handle DMA mappings

Define and register callbacks to manage the RAM regions used for device DMA Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- hw/remote/machine.c | 5 hw/remote/vfio-user-obj.c | 55

[PATCH v11 02/14] remote/machine: add HotplugHandler for remote machine

Allow hotplugging of PCI(e) devices to remote machine Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- hw/remote/machine.c | 10 ++ 1 file changed, 10 insertions(+) diff --git a/hw/remote/machine.c b/hw

[PATCH v11 08/14] vfio-user: run vfio-user context

Setup a handler to run vfio-user context. The context is driven by messages to the file descriptor associated with it - get the fd for the context and hook up the handler with it Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan

[PATCH v11 04/14] vfio-user: build library

add the libvfio-user library as a submodule. build it as a meson subproject. libvfio-user is distributed with BSD 3-Clause license and json-c with MIT (Expat) license Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi

[PATCH v11 10/14] vfio-user: IOMMU support for remote device

Assign separate address space for each device in the remote processes. Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- include/hw/remote/iommu.h | 40 hw/remote/iommu.c | 131

[PATCH v11 14/14] vfio-user: handle reset of remote device

Adds handler to reset a remote device Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- hw/remote/vfio-user-obj.c | 20 1 file changed, 20 insertions(+) diff --git a/hw/remote/vfio-user-obj.c b

[PATCH v11 05/14] vfio-user: define vfio-user-server object

Define vfio-user object which is remote process server for QEMU. Setup object initialization functions and properties necessary to instantiate the object Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- qapi

[PATCH v11 07/14] vfio-user: find and init PCI device

Find the PCI device with specified id. Initialize the device context with the QEMU PCI device Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- hw/remote/vfio-user-obj.c | 67

[PATCH v11 03/14] remote/machine: add vfio-user property

-user fully replaces multiprocess, this property could be removed. Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- include/hw/remote/machine.h | 2 ++ hw/remote/machine.c | 23 +++ 2

[PATCH v11 09/14] vfio-user: handle PCI config space accesses

Define and register handlers for PCI config space accesses Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- hw/remote/vfio-user-obj.c | 51 +++ hw/remote/trace-events| 2

[PATCH v11 06/14] vfio-user: instantiate vfio-user context

create a context with the vfio-user library to run a PCI device Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- hw/remote/vfio-user-obj.c | 82 +++ 1 file changed, 82 insertions

[PATCH v11 01/14] qdev: unplug blocker for devices

blocker for the PCIDevice. Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- include/hw/qdev-core.h | 29 + hw/core/qdev.c | 24 softmmu/qdev-monitor.c | 4

[PATCH v11 00/14] vfio-user server in QEMU

devices using INTx - allows multiple devices to use INTx Thank you very much! Jagannathan Raman (14): qdev: unplug blocker for devices remote/machine: add HotplugHandler for remote machine remote/machine: add vfio-user property vfio-user: build library vfio-user: define vfio-user-server

[PATCH v10 13/14] vfio-user: handle device interrupts

Forward remote device's interrupts to the guest Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman --- include/hw/pci/pci.h | 13 include/hw/remote/vfio-user-obj.h | 6 ++ hw/pci/msi.c | 16 ++-- h

[PATCH v10 10/14] vfio-user: IOMMU support for remote device

Assign separate address space for each device in the remote processes. Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- include/hw/remote/iommu.h | 40 hw/remote/iommu.c | 131

[PATCH v10 05/14] vfio-user: define vfio-user-server object

Define vfio-user object which is remote process server for QEMU. Setup object initialization functions and properties necessary to instantiate the object Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- qapi

[PATCH v10 08/14] vfio-user: run vfio-user context

Setup a handler to run vfio-user context. The context is driven by messages to the file descriptor associated with it - get the fd for the context and hook up the handler with it Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan

[PATCH v10 07/14] vfio-user: find and init PCI device

Find the PCI device with specified id. Initialize the device context with the QEMU PCI device Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- hw/remote/vfio-user-obj.c | 67

[PATCH v10 14/14] vfio-user: handle reset of remote device

Adds handler to reset a remote device Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- hw/remote/vfio-user-obj.c | 20 1 file changed, 20 insertions(+) diff --git a/hw/remote/vfio-user-obj.c b

[PATCH v10 04/14] vfio-user: build library

add the libvfio-user library as a submodule. build it as a meson subproject. libvfio-user is distributed with BSD 3-Clause license and json-c with MIT (Expat) license Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman --- configure

[PATCH v10 03/14] remote/machine: add vfio-user property

-user fully replaces multiprocess, this property could be removed. Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- include/hw/remote/machine.h | 2 ++ hw/remote/machine.c | 23 +++ 2

[PATCH v10 12/14] vfio-user: handle PCI BAR accesses

Determine the BARs used by the PCI device and register handlers to manage the access to the same. Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- include/exec/memory.h | 3 + hw/remote/vfio-user-obj.c

[PATCH v10 11/14] vfio-user: handle DMA mappings

Define and register callbacks to manage the RAM regions used for device DMA Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- hw/remote/machine.c | 5 hw/remote/vfio-user-obj.c | 55

[PATCH v10 09/14] vfio-user: handle PCI config space accesses

Define and register handlers for PCI config space accesses Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- hw/remote/vfio-user-obj.c | 51 +++ hw/remote/trace-events| 2

[PATCH v10 01/14] qdev: unplug blocker for devices

blocker for the PCIDevice. Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- include/hw/qdev-core.h | 29 + hw/core/qdev.c | 24 softmmu/qdev-monitor.c | 4

[PATCH v10 00/14] vfio-user server in QEMU

7;t be NULL Thank you very much! Jagannathan Raman (14): qdev: unplug blocker for devices remote/machine: add HotplugHandler for remote machine remote/machine: add vfio-user property vfio-user: build library vfio-user: define vfio-user-server object vfio-user: instantiate vfio-user con

[PATCH v10 06/14] vfio-user: instantiate vfio-user context

create a context with the vfio-user library to run a PCI device Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- hw/remote/vfio-user-obj.c | 96 +++ 1 file changed, 96 insertions

[PATCH v10 02/14] remote/machine: add HotplugHandler for remote machine

Allow hotplugging of PCI(e) devices to remote machine Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- hw/remote/machine.c | 10 ++ 1 file changed, 10 insertions(+) diff --git a/hw/remote/machine.c b/hw

[PATCH v9 12/17] vfio-user: IOMMU support for remote device

Assign separate address space for each device in the remote processes. Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman --- include/hw/remote/iommu.h | 40 hw/remote/iommu.c | 131 ++ hw

[PATCH v9 13/17] vfio-user: handle DMA mappings

Define and register callbacks to manage the RAM regions used for device DMA Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- hw/remote/machine.c | 5 hw/remote/vfio-user-obj.c | 55

[PATCH v9 08/17] vfio-user: instantiate vfio-user context

create a context with the vfio-user library to run a PCI device Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- hw/remote/vfio-user-obj.c | 82 +++ 1 file changed, 82 insertions

[PATCH v9 17/17] vfio-user: avocado tests for vfio-user

Avocado tests for libvfio-user in QEMU - tests startup, hotplug and migration of the server object Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman --- MAINTAINERS| 1 + tests/avocado/vfio-user.py | 164

[PATCH v9 15/17] vfio-user: handle device interrupts

Forward remote device's interrupts to the guest Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman --- include/hw/pci/pci.h | 13 include/hw/remote/vfio-user-obj.h | 6 ++ hw/pci/msi.c | 16 ++-- h

[PATCH v9 05/17] configure: require cmake 3.19 or newer

cmake needs to accept the compiler flags specified with CMAKE__COMPILER variable. It does so starting with version 3.19 Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman --- configure | 16 1 file changed, 16 insertions(+) diff

[PATCH v9 11/17] vfio-user: handle PCI config space accesses

Define and register handlers for PCI config space accesses Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- hw/remote/vfio-user-obj.c | 51 +++ hw/remote/trace-events| 2

[PATCH v9 16/17] vfio-user: handle reset of remote device

Adds handler to reset a remote device Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- hw/remote/vfio-user-obj.c | 20 1 file changed, 20 insertions(+) diff --git a/hw/remote/vfio-user-obj.c b

[PATCH v9 06/17] vfio-user: build library

add the libvfio-user library as a submodule. build it as a cmake subproject. libvfio-user is distributed with BSD 3-Clause license and json-c with MIT (Expat) license Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi

[PATCH v9 04/17] remote/machine: add vfio-user property

-user fully replaces multiprocess, this property could be removed. Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- include/hw/remote/machine.h | 2 ++ hw/remote/machine.c | 23 +++ 2

[PATCH v9 10/17] vfio-user: run vfio-user context

Setup a handler to run vfio-user context. The context is driven by messages to the file descriptor associated with it - get the fd for the context and hook up the handler with it Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan

[PATCH v9 02/17] qdev: unplug blocker for devices

blocker for the PCIDevice. Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- include/hw/qdev-core.h | 29 + hw/core/qdev.c | 24 softmmu/qdev-monitor.c | 4

[PATCH v9 14/17] vfio-user: handle PCI BAR accesses

Determine the BARs used by the PCI device and register handlers to manage the access to the same. Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman --- include/exec/memory.h | 3 + hw/remote/vfio-user-obj.c | 190

[PATCH v9 03/17] remote/machine: add HotplugHandler for remote machine

Allow hotplugging of PCI(e) devices to remote machine Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- hw/remote/machine.c | 10 ++ 1 file changed, 10 insertions(+) diff --git a/hw/remote/machine.c b/hw

[PATCH v9 01/17] tests/avocado: Specify target VM argument to helper routines

Specify target VM for exec_command and exec_command_and_wait_for_pattern routines Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Beraldo Leal Reviewed-by: Stefan Hajnoczi --- tests/avocado

[PATCH v9 09/17] vfio-user: find and init PCI device

Find the PCI device with specified id. Initialize the device context with the QEMU PCI device Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- hw/remote/vfio-user-obj.c | 67

[PATCH v9 07/17] vfio-user: define vfio-user-server object

Define vfio-user object which is remote process server for QEMU. Setup object initialization functions and properties necessary to instantiate the object Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman --- qapi/qom.json | 20

[PATCH v9 00/17] vfio-user server in QEMU

early exit in vfu_object_bar_rw() Jagannathan Raman (17): tests/avocado: Specify target VM argument to helper routines qdev: unplug blocker for devices remote/machine: add HotplugHandler for remote machine remote/machine: add vfio-user property configure: require cmake 3.19 or newer

[PATCH v8 04/17] remote/machine: add vfio-user property

-user fully replaces multiprocess, this property could be removed. Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- include/hw/remote/machine.h | 2 ++ hw/remote/machine.c | 23 +++ 2

[PATCH v8 12/17] vfio-user: IOMMU support for remote device

Assign separate address space for each device in the remote processes. Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman --- include/hw/remote/iommu.h | 40 + hw/remote/iommu.c | 114 ++ hw

[PATCH v8 09/17] vfio-user: find and init PCI device

Find the PCI device with specified id. Initialize the device context with the QEMU PCI device Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- hw/remote/vfio-user-obj.c | 67

[PATCH v8 01/17] tests/avocado: Specify target VM argument to helper routines

Specify target VM for exec_command and exec_command_and_wait_for_pattern routines Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Beraldo Leal Reviewed-by: Stefan Hajnoczi --- tests/avocado

[PATCH v8 03/17] remote/machine: add HotplugHandler for remote machine

Allow hotplugging of PCI(e) devices to remote machine Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- hw/remote/machine.c | 10 ++ 1 file changed, 10 insertions(+) diff --git a/hw/remote/machine.c b/hw

[PATCH v8 00/17] vfio-user server in QEMU

-user: handle device interrupts - removed callbacks for msi_notify() and msix_notify() - added callbacks for msi_send_message() and msi(x)_get_message() operations Thank you! Jagannathan Raman (17): tests/avocado: Specify target VM argument to helper routines qdev: unplug blocker for de

[PATCH v8 07/17] vfio-user: define vfio-user-server object

Define vfio-user object which is remote process server for QEMU. Setup object initialization functions and properties necessary to instantiate the object Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman --- qapi/qom.json | 20

[PATCH v8 02/17] qdev: unplug blocker for devices

Add blocker to prevent hot-unplug of devices Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman --- include/hw/qdev-core.h | 29 + hw/core/qdev.c | 24 softmmu/qdev-monitor.c | 4 3

[PATCH v8 06/17] vfio-user: build library

add the libvfio-user library as a submodule. build it as a cmake subproject. Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman --- configure | 20 +- meson.build| 44

[PATCH v8 05/17] configure: require cmake 3.19 or newer

cmake needs to accept the compiler flags specified with CMAKE__COMPILER variable. It does so starting with version 3.19 Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman --- configure | 16 1 file changed, 16 insertions(+) diff

[PATCH v8 08/17] vfio-user: instantiate vfio-user context

create a context with the vfio-user library to run a PCI device Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman --- hw/remote/vfio-user-obj.c | 82 +++ 1 file changed, 82 insertions(+) diff --git a/hw/remote

[PATCH v8 17/17] vfio-user: avocado tests for vfio-user

Avocado tests for libvfio-user in QEMU - tests startup, hotplug and migration of the server object Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman --- MAINTAINERS| 1 + tests/avocado/vfio-user.py | 164

[PATCH v8 15/17] vfio-user: handle device interrupts

Forward remote device's interrupts to the guest Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman --- include/hw/pci/pci.h | 13 include/hw/remote/vfio-user-obj.h | 6 ++ hw/pci/msi.c | 16 ++-- h

[PATCH v8 16/17] vfio-user: handle reset of remote device

Adds handler to reset a remote device Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman --- hw/remote/vfio-user-obj.c | 20 1 file changed, 20 insertions(+) diff --git a/hw/remote/vfio-user-obj.c b/hw/remote/vfio-user-obj.c

[PATCH v8 11/17] vfio-user: handle PCI config space accesses

Define and register handlers for PCI config space accesses Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- hw/remote/vfio-user-obj.c | 51 +++ hw/remote/trace-events| 2

[PATCH v8 13/17] vfio-user: handle DMA mappings

Define and register callbacks to manage the RAM regions used for device DMA Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan Hajnoczi --- hw/remote/machine.c | 5 hw/remote/vfio-user-obj.c | 55

[PATCH v8 14/17] vfio-user: handle PCI BAR accesses

Determine the BARs used by the PCI device and register handlers to manage the access to the same. Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman --- include/exec/memory.h | 3 + hw/remote/vfio-user-obj.c | 189

[PATCH v8 10/17] vfio-user: run vfio-user context

Setup a handler to run vfio-user context. The context is driven by messages to the file descriptor associated with it - get the fd for the context and hook up the handler with it Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan

[PATCH v7 12/17] vfio-user: IOMMU support for remote device

Assign separate address space for each device in the remote processes. Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman --- include/hw/remote/iommu.h | 18 hw/remote/iommu.c | 95 +++ MAINTAINERS

[PATCH v7 17/17] vfio-user: avocado tests for vfio-user

Avocado tests for libvfio-user in QEMU - tests startup, hotplug and migration of the server object Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman --- MAINTAINERS| 1 + tests/avocado/vfio-user.py | 164

[PATCH v7 15/17] vfio-user: handle device interrupts

Forward remote device's interrupts to the guest Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman --- include/hw/pci/pci.h | 10 +++ include/hw/remote/vfio-user-obj.h | 6 ++ hw/pci/msi.c | 11 +++- h

[PATCH v7 10/17] vfio-user: run vfio-user context

Setup a handler to run vfio-user context. The context is driven by messages to the file descriptor associated with it - get the fd for the context and hook up the handler with it Signed-off-by: Elena Ufimtseva Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Reviewed-by: Stefan

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