Allow RAM MemoryRegion to be created from an offset in a file, instead
of allocating at offset of 0 by default. This is needed to synchronize
RAM between QEMU & remote process.
Signed-off-by: Jagannathan Raman
Signed-off-by: John G Johnson
Signed-off-by: Elena Ufimtseva
Reviewed-by: St
e qemu-devel mailing list. You can find them
by following the links below ([1] - [11]).Following people contributed
to the design and implementation of this project:
Jagannathan Raman
Elena Ufimtseva
John G Johnson
Stefan Hajnoczi
Konrad Wilk
Kanth Ghatraju
We would like to thank QE
From: Elena Ufimtseva
Adds QIO channel functions that transmits the input iovs as well as the
supplied fds.
Signed-off-by: Elena Ufimtseva
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Reviewed-by: Stefan Hajnoczi
---
include/io/channel.h | 24
io
From: John G Johnson
Signed-off-by: John G Johnson
Signed-off-by: Elena Ufimtseva
Signed-off-by: Jagannathan Raman
Reviewed-by: Stefan Hajnoczi
---
docs/devel/index.rst | 1 +
docs/devel/multi-process.rst | 966 +++
MAINTAINERS
Initializes the message handler function in the remote process. It is
called whenever there's an event pending on QIOChannel that registers
this function.
Signed-off-by: Elena Ufimtseva
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Reviewed-by: Stefan Hajnoczi
---
include/hw
x-remote-machine object sets up various subsystems of the remote
device process. Instantiate PCI host bridge object and initialize RAM, IO &
PCI memory regions.
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Signed-off-by: Elena Ufimtseva
Reviewed-by: Stefan Hajn
From: Elena Ufimtseva
Defines a PCI Device proxy object as a child of TYPE_PCI_DEVICE.
Signed-off-by: Elena Ufimtseva
Signed-off-by: Jagannathan Raman
Signed-off-by: John G Johnson
Reviewed-by: Stefan Hajnoczi
---
include/hw/remote/proxy.h | 36 +
hw/remote/proxy.c
Proxy device object implements handler for PCI BAR writes and reads.
The handler uses BAR_WRITE/BAR_READ message to communicate to the
remote process with the BAR address and value to be written/read.
The remote process implements handler for BAR_WRITE/BAR_READ
message.
Signed-off-by: Jagannathan
PCI host bridge is setup for the remote device process. It is
implemented using remote-pcihost object. It is an extension of the PCI
host bridge setup by QEMU.
Remote-pcihost configures a PCI bus which could be used by the remote
PCI device to latch on to.
Signed-off-by: Jagannathan Raman
Signed
From: Elena Ufimtseva
Signed-off-by: Elena Ufimtseva
Signed-off-by: Jagannathan Raman
Signed-off-by: John G Johnson
Reviewed-by: Stefan Hajnoczi
---
include/hw/remote/mpqemu-link.h | 4
hw/remote/mpqemu-link.c | 38 ++
2 files changed, 42
process receives
the message and processes it in the handler for SYNC_SYSMEM message.
Signed-off-by: Jagannathan Raman
Signed-off-by: John G Johnson
Signed-off-by: Elena Ufimtseva
Reviewed-by: Stefan Hajnoczi
---
include/hw/remote/memory-sync.h | 27 ++
include/hw/remote/proxy.h
Retrieve PCI configuration info about the remote device and
configure the Proxy PCI object based on the returned information
Signed-off-by: Elena Ufimtseva
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Reviewed-by: Stefan Hajnoczi
---
hw/remote/proxy.c | 85
Associate the file descriptor for a PCIDevice in remote process with
DeviceState object.
Signed-off-by: Elena Ufimtseva
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Reviewed-by: Stefan Hajnoczi
---
include/hw/remote/remote-obj.h | 42 +++
hw/remote/message.c
Signed-off-by: Jagannathan Raman
Signed-off-by: Elena Ufimtseva
Reviewed-by: Stefan Hajnoczi
---
include/hw/pci/pci_ids.h| 3 +
include/hw/remote/iohub.h | 42 ++
include/hw/remote/machine.h | 3 +
include/hw/remote/mpqemu-link.h | 1 +
include/hw/remote
From: Elena Ufimtseva
Adds documentation explaining the command-line arguments needed
to use multi-process. Also adds a python script that illustrates the
usage.
Signed-off-by: Elena Ufimtseva
Signed-off-by: Jagannathan Raman
Signed-off-by: John G Johnson
Reviewed-by: Stefan Hajnoczi
SyncSysMemMsg message format is defined. It is used to send
file descriptors of the RAM regions to remote device.
RAM on the remote device is configured with a set of file descriptors.
Old RAM regions are deleted and new regions, each with an fd, is
added to the RAM.
Signed-off-by: Jagannathan
Add a configuration option to separate multi-process code
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Signed-off-by: Elena Ufimtseva
Reviewed-by: Stefan Hajnoczi
---
accel/Kconfig | 1 +
hw/Kconfig| 1 +
hw/remote/Kconfig | 3 +++
3 files changed, 5 insertions
From: Elena Ufimtseva
The Proxy Object sends the PCI config space accesses as messages
to the remote process over the communication channel
Signed-off-by: Elena Ufimtseva
Signed-off-by: Jagannathan Raman
Signed-off-by: John G Johnson
Reviewed-by: Stefan Hajnoczi
---
include/hw/remote
From: Elena Ufimtseva
Perform device reset in the remote process when QEMU performs
device reset. This is required to reset the internal state
(like registers, etc...) of emulated devices
Signed-off-by: Elena Ufimtseva
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Reviewed
, outside of co-routine context will
block IOThread;
Signed-off-by: Jagannathan Raman
Signed-off-by: John G Johnson
Signed-off-by: Elena Ufimtseva
---
include/hw/remote/mpqemu-link.h | 60 ++
hw/remote/mpqemu-link.c | 242
MAINTAINERS
From: John G Johnson
Signed-off-by: John G Johnson
Signed-off-by: Elena Ufimtseva
Signed-off-by: Jagannathan Raman
Reviewed-by: Stefan Hajnoczi
---
docs/devel/index.rst | 1 +
docs/devel/multi-process.rst | 966 +++
MAINTAINERS
Proxy device object implements handler for PCI BAR writes and reads.
The handler uses BAR_WRITE/BAR_READ message to communicate to the
remote process with the BAR address and value to be written/read.
The remote process implements handler for BAR_WRITE/BAR_READ
message.
Signed-off-by: Jagannathan
From: Elena Ufimtseva
Perform device reset in the remote process when QEMU performs
device reset. This is required to reset the internal state
(like registers, etc...) of emulated devices
Signed-off-by: Elena Ufimtseva
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Reviewed
x-remote-machine object sets up various subsystems of the remote
device process. Instantiate PCI host bridge object and initialize RAM, IO &
PCI memory regions.
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Signed-off-by: Elena Ufimtseva
Reviewed-by: Stefan Hajn
Initializes the message handler function in the remote process. It is
called whenever there's an event pending on QIOChannel that registers
this function.
Signed-off-by: Elena Ufimtseva
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Reviewed-by: Stefan Hajnoczi
---
include/hw
Allow RAM MemoryRegion to be created from an offset in a file, instead
of allocating at offset of 0 by default. This is needed to synchronize
RAM between QEMU & remote process.
Signed-off-by: Jagannathan Raman
Signed-off-by: John G Johnson
Signed-off-by: Elena Ufimtseva
Reviewed-by: St
SyncSysMemMsg message format is defined. It is used to send
file descriptors of the RAM regions to remote device.
RAM on the remote device is configured with a set of file descriptors.
Old RAM regions are deleted and new regions, each with an fd, is
added to the RAM.
Signed-off-by: Jagannathan
Add configuration options to enable or disable multiprocess QEMU code
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Signed-off-by: Elena Ufimtseva
Reviewed-by: Stefan Hajnoczi
---
configure | 10 ++
meson.build | 4 +++-
Kconfig.host | 4
hw
From: Elena Ufimtseva
Adds qio_channel_readv_full_all_eof() and qio_channel_readv_full_all()
to read both data and FDs. Refactors existing code to use these helpers.
Signed-off-by: Elena Ufimtseva
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
---
include/io/channel.h | 51
Retrieve PCI configuration info about the remote device and
configure the Proxy PCI object based on the returned information
Signed-off-by: Elena Ufimtseva
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Reviewed-by: Stefan Hajnoczi
---
hw/remote/proxy.c | 84
From: Elena Ufimtseva
Signed-off-by: Elena Ufimtseva
Signed-off-by: Jagannathan Raman
Signed-off-by: John G Johnson
Reviewed-by: Stefan Hajnoczi
---
include/hw/remote/mpqemu-link.h | 4
hw/remote/mpqemu-link.c | 34 ++
2 files changed, 38
From: Elena Ufimtseva
Adds qio_channel_writev_full_all() to transmit both data and FDs.
Refactors existing code to use this helper.
Signed-off-by: Elena Ufimtseva
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Reviewed-by: Stefan Hajnoczi
Acked-by: Daniel P. Berrangé
From: Elena Ufimtseva
Adds documentation explaining the command-line arguments needed
to use multi-process.
Signed-off-by: Elena Ufimtseva
Signed-off-by: Jagannathan Raman
Signed-off-by: John G Johnson
Reviewed-by: Stefan Hajnoczi
---
docs/multi-process.rst | 64
osted 15
versions on the qemu-devel mailing list. You can find them by following
the links below ([1] - [15]). Following people contributed to the design and
implementation of this project:
Jagannathan Raman
Elena Ufimtseva
John G Johnson
Stefan Hajnoczi
Konrad Wilk
Kanth Ghatraju
We would like
From: Elena Ufimtseva
The Proxy Object sends the PCI config space accesses as messages
to the remote process over the communication channel
Signed-off-by: Elena Ufimtseva
Signed-off-by: Jagannathan Raman
Signed-off-by: John G Johnson
Reviewed-by: Stefan Hajnoczi
---
include/hw/remote
Associate the file descriptor for a PCIDevice in remote process with
DeviceState object.
Signed-off-by: Elena Ufimtseva
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Reviewed-by: Stefan Hajnoczi
---
hw/remote/remote-obj.c | 203
From: Elena Ufimtseva
Defines MPQemuMsg, which is the message that is sent to the remote
process. This message is sent over QIOChannel and is used to
command the remote process to perform various tasks.
Define transmission functions used by proxy and by remote.
Signed-off-by: Jagannathan Raman
From: Elena Ufimtseva
Defines a PCI Device proxy object as a child of TYPE_PCI_DEVICE.
Signed-off-by: Elena Ufimtseva
Signed-off-by: Jagannathan Raman
Signed-off-by: John G Johnson
Reviewed-by: Stefan Hajnoczi
---
include/hw/remote/proxy.h | 33
hw/remote/proxy.c
PCI host bridge is setup for the remote device process. It is
implemented using remote-pcihost object. It is an extension of the PCI
host bridge setup by QEMU.
Remote-pcihost configures a PCI bus which could be used by the remote
PCI device to latch on to.
Signed-off-by: Jagannathan Raman
Signed
Signed-off-by: Jagannathan Raman
Signed-off-by: Elena Ufimtseva
Reviewed-by: Stefan Hajnoczi
---
include/hw/pci/pci_ids.h| 3 +
include/hw/remote/iohub.h | 42 ++
include/hw/remote/machine.h | 2 +
include/hw/remote/mpqemu-link.h | 1 +
include/hw/remote
, the remote process receives
the message and processes it in the handler for SYNC_SYSMEM message.
Signed-off-by: Jagannathan Raman
Signed-off-by: John G Johnson
Signed-off-by: Elena Ufimtseva
Reviewed-by: Stefan Hajnoczi
---
include/hw/remote/proxy-memory-listener.h | 28
include/hw/remote
Signed-off-by: Jagannathan Raman
Signed-off-by: Elena Ufimtseva
Reviewed-by: Stefan Hajnoczi
---
include/hw/pci/pci_ids.h| 3 +
include/hw/remote/iohub.h | 42 ++
include/hw/remote/machine.h | 2 +
include/hw/remote/mpqemu-link.h | 1 +
include/hw/remote
Allow RAM MemoryRegion to be created from an offset in a file, instead
of allocating at offset of 0 by default. This is needed to synchronize
RAM between QEMU & remote process.
Signed-off-by: Jagannathan Raman
Signed-off-by: John G Johnson
Signed-off-by: Elena Ufimtseva
Reviewed-by: St
From: Elena Ufimtseva
Defines MPQemuMsg, which is the message that is sent to the remote
process. This message is sent over QIOChannel and is used to
command the remote process to perform various tasks.
Define transmission functions used by proxy and by remote.
Signed-off-by: Jagannathan Raman
From: Elena Ufimtseva
Signed-off-by: Elena Ufimtseva
Signed-off-by: Jagannathan Raman
Signed-off-by: John G Johnson
Reviewed-by: Stefan Hajnoczi
---
include/hw/remote/mpqemu-link.h | 4
hw/remote/mpqemu-link.c | 34 ++
2 files changed, 38
x-remote-machine object sets up various subsystems of the remote
device process. Instantiate PCI host bridge object and initialize RAM, IO &
PCI memory regions.
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Signed-off-by: Elena Ufimtseva
Reviewed-by: Stefan Hajn
From: Elena Ufimtseva
The Proxy Object sends the PCI config space accesses as messages
to the remote process over the communication channel
Signed-off-by: Elena Ufimtseva
Signed-off-by: Jagannathan Raman
Signed-off-by: John G Johnson
Reviewed-by: Stefan Hajnoczi
---
include/hw/remote
Add configuration options to enable or disable multiprocess QEMU code
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Signed-off-by: Elena Ufimtseva
Reviewed-by: Stefan Hajnoczi
---
configure | 10 ++
meson.build | 4 +++-
Kconfig.host | 4
hw
From: Elena Ufimtseva
Defines a PCI Device proxy object as a child of TYPE_PCI_DEVICE.
Signed-off-by: Elena Ufimtseva
Signed-off-by: Jagannathan Raman
Signed-off-by: John G Johnson
Reviewed-by: Stefan Hajnoczi
---
include/hw/remote/proxy.h | 33
hw/remote/proxy.c
From: Elena Ufimtseva
Adds qio_channel_readv_full_all_eof() and qio_channel_readv_full_all()
to read both data and FDs. Refactors existing code to use these helpers.
Signed-off-by: Elena Ufimtseva
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
---
include/io/channel.h | 51
From: Elena Ufimtseva
Perform device reset in the remote process when QEMU performs
device reset. This is required to reset the internal state
(like registers, etc...) of emulated devices
Signed-off-by: Elena Ufimtseva
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Reviewed
Associate the file descriptor for a PCIDevice in remote process with
DeviceState object.
Signed-off-by: Elena Ufimtseva
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Reviewed-by: Stefan Hajnoczi
---
hw/remote/remote-obj.c | 203
Retrieve PCI configuration info about the remote device and
configure the Proxy PCI object based on the returned information
Signed-off-by: Elena Ufimtseva
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Reviewed-by: Stefan Hajnoczi
---
hw/remote/proxy.c | 84
Initializes the message handler function in the remote process. It is
called whenever there's an event pending on QIOChannel that registers
this function.
Signed-off-by: Elena Ufimtseva
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Reviewed-by: Stefan Hajnoczi
---
include/hw
tion of this project:
Jagannathan Raman
Elena Ufimtseva
John G Johnson
Stefan Hajnoczi
Konrad Wilk
Kanth Ghatraju
We would like to thank the QEMU community for your feedback in the
design and implementation of this project. Qemu wiki page:
https://wiki.qemu.org/Features/MultiProcess
From: Elena Ufimtseva
Adds documentation explaining the command-line arguments needed
to use multi-process.
Signed-off-by: Elena Ufimtseva
Signed-off-by: Jagannathan Raman
Signed-off-by: John G Johnson
Reviewed-by: Stefan Hajnoczi
---
docs/multi-process.rst | 64
SyncSysMemMsg message format is defined. It is used to send
file descriptors of the RAM regions to remote device.
RAM on the remote device is configured with a set of file descriptors.
Old RAM regions are deleted and new regions, each with an fd, is
added to the RAM.
Signed-off-by: Jagannathan
From: Elena Ufimtseva
Adds qio_channel_writev_full_all() to transmit both data and FDs.
Refactors existing code to use this helper.
Signed-off-by: Elena Ufimtseva
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Reviewed-by: Stefan Hajnoczi
Acked-by: Daniel P. Berrangé
From: John G Johnson
Signed-off-by: John G Johnson
Signed-off-by: Elena Ufimtseva
Signed-off-by: Jagannathan Raman
Reviewed-by: Stefan Hajnoczi
---
docs/devel/index.rst | 1 +
docs/devel/multi-process.rst | 966 +++
MAINTAINERS
PCI host bridge is setup for the remote device process. It is
implemented using remote-pcihost object. It is an extension of the PCI
host bridge setup by QEMU.
Remote-pcihost configures a PCI bus which could be used by the remote
PCI device to latch on to.
Signed-off-by: Jagannathan Raman
Signed
, the remote process receives
the message and processes it in the handler for SYNC_SYSMEM message.
Signed-off-by: Jagannathan Raman
Signed-off-by: John G Johnson
Signed-off-by: Elena Ufimtseva
Reviewed-by: Stefan Hajnoczi
---
include/hw/remote/proxy-memory-listener.h | 28
include/hw/remote
Proxy device object implements handler for PCI BAR writes and reads.
The handler uses BAR_WRITE/BAR_READ message to communicate to the
remote process with the BAR address and value to be written/read.
The remote process implements handler for BAR_WRITE/BAR_READ
message.
Signed-off-by: Jagannathan
SyncSysMemMsg message format is defined. It is used to send
file descriptors of the RAM regions to remote device.
RAM on the remote device is configured with a set of file descriptors.
Old RAM regions are deleted and new regions, each with an fd, is
added to the RAM.
Signed-off-by: Jagannathan
Proxy device object implements handler for PCI BAR writes and reads.
The handler uses BAR_WRITE/BAR_READ message to communicate to the
remote process with the BAR address and value to be written/read.
The remote process implements handler for BAR_WRITE/BAR_READ
message.
Signed-off-by: Jagannathan
Retrieve PCI configuration info about the remote device and
configure the Proxy PCI object based on the returned information
Signed-off-by: Elena Ufimtseva
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Reviewed-by: Stefan Hajnoczi
---
hw/remote/proxy.c | 84
x-remote-machine object sets up various subsystems of the remote
device process. Instantiate PCI host bridge object and initialize RAM, IO &
PCI memory regions.
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Signed-off-by: Elena Ufimtseva
Reviewed-by: Stefan Hajn
Allow RAM MemoryRegion to be created from an offset in a file, instead
of allocating at offset of 0 by default. This is needed to synchronize
RAM between QEMU & remote process.
Signed-off-by: Jagannathan Raman
Signed-off-by: John G Johnson
Signed-off-by: Elena Ufimtseva
Reviewed-by: St
From: Elena Ufimtseva
The Proxy Object sends the PCI config space accesses as messages
to the remote process over the communication channel
Signed-off-by: Elena Ufimtseva
Signed-off-by: Jagannathan Raman
Signed-off-by: John G Johnson
Reviewed-by: Stefan Hajnoczi
---
include/hw/remote
From: Elena Ufimtseva
Adds documentation explaining the command-line arguments needed
to use multi-process.
Signed-off-by: Elena Ufimtseva
Signed-off-by: Jagannathan Raman
Signed-off-by: John G Johnson
Reviewed-by: Stefan Hajnoczi
---
docs/multi-process.rst | 64
From: Elena Ufimtseva
Perform device reset in the remote process when QEMU performs
device reset. This is required to reset the internal state
(like registers, etc...) of emulated devices
Signed-off-by: Elena Ufimtseva
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Reviewed
From: John G Johnson
Signed-off-by: John G Johnson
Signed-off-by: Elena Ufimtseva
Signed-off-by: Jagannathan Raman
Reviewed-by: Stefan Hajnoczi
---
docs/devel/index.rst | 1 +
docs/devel/multi-process.rst | 966 +++
MAINTAINERS
From: Elena Ufimtseva
Adds qio_channel_writev_full_all() to transmit both data and FDs.
Refactors existing code to use this helper.
Signed-off-by: Elena Ufimtseva
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Reviewed-by: Stefan Hajnoczi
Acked-by: Daniel P. Berrangé
From: Elena Ufimtseva
Adds qio_channel_readv_full_all_eof() and qio_channel_readv_full_all()
to read both data and FDs. Refactors existing code to use these helpers.
Signed-off-by: Elena Ufimtseva
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
---
include/io/channel.h | 53
devel mailing list. You can find them by following
the links below ([1] - [19]). Following people contributed to the design and
implementation of this project:
Jagannathan Raman
Elena Ufimtseva
John G Johnson
Stefan Hajnoczi
Konrad Wilk
Kanth Ghatraju
We would like to thank you for your feed
From: Elena Ufimtseva
Defines a PCI Device proxy object as a child of TYPE_PCI_DEVICE.
Signed-off-by: Elena Ufimtseva
Signed-off-by: Jagannathan Raman
Signed-off-by: John G Johnson
Reviewed-by: Stefan Hajnoczi
---
include/hw/remote/proxy.h | 33
hw/remote/proxy.c
Signed-off-by: Jagannathan Raman
Signed-off-by: Elena Ufimtseva
Reviewed-by: Stefan Hajnoczi
---
include/hw/pci/pci_ids.h| 3 +
include/hw/remote/iohub.h | 42 ++
include/hw/remote/machine.h | 2 +
include/hw/remote/mpqemu-link.h | 1 +
include/hw/remote
From: Elena Ufimtseva
Signed-off-by: Elena Ufimtseva
Signed-off-by: Jagannathan Raman
Signed-off-by: John G Johnson
Reviewed-by: Stefan Hajnoczi
---
include/hw/remote/mpqemu-link.h | 4
hw/remote/mpqemu-link.c | 34 ++
2 files changed, 38
From: Elena Ufimtseva
Defines MPQemuMsg, which is the message that is sent to the remote
process. This message is sent over QIOChannel and is used to
command the remote process to perform various tasks.
Define transmission functions used by proxy and by remote.
Signed-off-by: Jagannathan Raman
PCI host bridge is setup for the remote device process. It is
implemented using remote-pcihost object. It is an extension of the PCI
host bridge setup by QEMU.
Remote-pcihost configures a PCI bus which could be used by the remote
PCI device to latch on to.
Signed-off-by: Jagannathan Raman
Signed
Add configuration options to enable or disable multiprocess QEMU code
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Signed-off-by: Elena Ufimtseva
Reviewed-by: Stefan Hajnoczi
---
configure | 10 ++
meson.build | 4 +++-
Kconfig.host | 4
hw
Initializes the message handler function in the remote process. It is
called whenever there's an event pending on QIOChannel that registers
this function.
Signed-off-by: Elena Ufimtseva
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Reviewed-by: Stefan Hajnoczi
---
include/hw
Associate the file descriptor for a PCIDevice in remote process with
DeviceState object.
Signed-off-by: Elena Ufimtseva
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Reviewed-by: Stefan Hajnoczi
---
hw/remote/remote-obj.c | 203
, the remote process receives
the message and processes it in the handler for SYNC_SYSMEM message.
Signed-off-by: Jagannathan Raman
Signed-off-by: John G Johnson
Signed-off-by: Elena Ufimtseva
Reviewed-by: Stefan Hajnoczi
---
include/hw/remote/proxy-memory-listener.h | 28
include/hw/remote
Proxy device object implements handler for PCI BAR writes and reads.
The handler uses BAR_WRITE/BAR_READ message to communicate to the
remote process with the BAR address and value to be written/read.
The remote process implements handler for BAR_WRITE/BAR_READ
message.
Signed-off-by: Jagannathan
From: Elena Ufimtseva
Perform device reset in the remote process when QEMU performs
device reset. This is required to reset the internal state
(like registers, etc...) of emulated devices
Signed-off-by: Elena Ufimtseva
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Reviewed
, the remote process receives
the message and processes it in the handler for SYNC_SYSMEM message.
Signed-off-by: Jagannathan Raman
Signed-off-by: John G Johnson
Signed-off-by: Elena Ufimtseva
Reviewed-by: Stefan Hajnoczi
---
include/hw/remote/proxy-memory-listener.h | 28
include/hw/remote
Associate the file descriptor for a PCIDevice in remote process with
DeviceState object.
Signed-off-by: Elena Ufimtseva
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Reviewed-by: Stefan Hajnoczi
---
hw/remote/remote-obj.c | 203
From: John G Johnson
Signed-off-by: John G Johnson
Signed-off-by: Elena Ufimtseva
Signed-off-by: Jagannathan Raman
Reviewed-by: Stefan Hajnoczi
---
docs/devel/index.rst | 1 +
docs/devel/multi-process.rst | 966 +++
MAINTAINERS
Add configuration options to enable or disable multiprocess QEMU code
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Signed-off-by: Elena Ufimtseva
Reviewed-by: Stefan Hajnoczi
---
configure | 10 ++
meson.build | 4 +++-
Kconfig.host | 4
hw
x-remote-machine object sets up various subsystems of the remote
device process. Instantiate PCI host bridge object and initialize RAM, IO &
PCI memory regions.
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Signed-off-by: Elena Ufimtseva
Reviewed-by: Stefan Hajn
Initializes the message handler function in the remote process. It is
called whenever there's an event pending on QIOChannel that registers
this function.
Signed-off-by: Elena Ufimtseva
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Reviewed-by: Stefan Hajnoczi
---
include/hw
Signed-off-by: Jagannathan Raman
Signed-off-by: Elena Ufimtseva
Reviewed-by: Stefan Hajnoczi
---
include/hw/pci/pci_ids.h| 3 +
include/hw/remote/iohub.h | 42 ++
include/hw/remote/machine.h | 2 +
include/hw/remote/mpqemu-link.h | 1 +
include/hw/remote
PCI host bridge is setup for the remote device process. It is
implemented using remote-pcihost object. It is an extension of the PCI
host bridge setup by QEMU.
Remote-pcihost configures a PCI bus which could be used by the remote
PCI device to latch on to.
Signed-off-by: Jagannathan Raman
Signed
From: Elena Ufimtseva
Signed-off-by: Elena Ufimtseva
Signed-off-by: Jagannathan Raman
Signed-off-by: John G Johnson
Reviewed-by: Stefan Hajnoczi
---
include/hw/remote/mpqemu-link.h | 4
hw/remote/mpqemu-link.c | 34 ++
2 files changed, 38
From: Elena Ufimtseva
Defines MPQemuMsg, which is the message that is sent to the remote
process. This message is sent over QIOChannel and is used to
command the remote process to perform various tasks.
Define transmission functions used by proxy and by remote.
Signed-off-by: Jagannathan Raman
From: Elena Ufimtseva
Adds qio_channel_writev_full_all() to transmit both data and FDs.
Refactors existing code to use this helper.
Signed-off-by: Elena Ufimtseva
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Reviewed-by: Stefan Hajnoczi
Acked-by: Daniel P. Berrangé
SyncSysMemMsg message format is defined. It is used to send
file descriptors of the RAM regions to remote device.
RAM on the remote device is configured with a set of file descriptors.
Old RAM regions are deleted and new regions, each with an fd, is
added to the RAM.
Signed-off-by: Jagannathan
Retrieve PCI configuration info about the remote device and
configure the Proxy PCI object based on the returned information
Signed-off-by: Elena Ufimtseva
Signed-off-by: John G Johnson
Signed-off-by: Jagannathan Raman
Reviewed-by: Stefan Hajnoczi
---
hw/remote/proxy.c | 84
From: Elena Ufimtseva
Adds documentation explaining the command-line arguments needed
to use multi-process.
Signed-off-by: Elena Ufimtseva
Signed-off-by: Jagannathan Raman
Signed-off-by: John G Johnson
Reviewed-by: Stefan Hajnoczi
---
docs/multi-process.rst | 64
From: Elena Ufimtseva
Defines a PCI Device proxy object as a child of TYPE_PCI_DEVICE.
Signed-off-by: Elena Ufimtseva
Signed-off-by: Jagannathan Raman
Signed-off-by: John G Johnson
Reviewed-by: Stefan Hajnoczi
---
include/hw/remote/proxy.h | 33
hw/remote/proxy.c
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