[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH v5 10/50] multi-process: setup a machine object for remote device
From: |
Jagannathan Raman |
Subject: |
[PATCH v5 10/50] multi-process: setup a machine object for remote device process |
Date: |
Mon, 24 Feb 2020 15:55:01 -0500 |
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 <address@hidden>
Signed-off-by: Jagannathan Raman <address@hidden>
Signed-off-by: Elena Ufimtseva <address@hidden>
---
v4 -> v5:
- Refactor notifier code into a common file
- Moved global initialization out of object specific code
- Added a child property relationship between RemMachineState & RemPCIHost
Makefile.objs | 1 +
exec.c | 3 +-
include/exec/address-spaces.h | 2 ++
include/remote/machine.h | 30 ++++++++++++++++
remote/Makefile.objs | 1 +
remote/machine.c | 84 +++++++++++++++++++++++++++++++++++++++++++
remote/remote-main.c | 7 ++++
util/Makefile.objs | 2 ++
8 files changed, 128 insertions(+), 2 deletions(-)
create mode 100644 include/remote/machine.h
create mode 100644 remote/machine.c
diff --git a/Makefile.objs b/Makefile.objs
index c80e107..aad33fc 100644
--- a/Makefile.objs
+++ b/Makefile.objs
@@ -31,6 +31,7 @@ remote-pci-obj-$(CONFIG_MPQEMU) += block/
remote-pci-obj-$(CONFIG_MPQEMU) += migration/
remote-pci-obj-$(CONFIG_MPQEMU) += remote/
remote-pci-obj-$(CONFIG_MPQEMU) += accel/
+remote-pci-obj-$(CONFIG_MPQEMU) += util/
remote-pci-obj-$(CONFIG_MPQEMU) += cpus-common.o
remote-pci-obj-$(CONFIG_MPQEMU) += dma-helpers.o
diff --git a/exec.c b/exec.c
index e524185..b4c9cc6 100644
--- a/exec.c
+++ b/exec.c
@@ -161,7 +161,6 @@ typedef struct subpage_t {
#define PHYS_SECTION_UNASSIGNED 0
static void io_mem_init(void);
-static void memory_map_init(void);
static void tcg_log_global_after_sync(MemoryListener *listener);
static void tcg_commit(MemoryListener *listener);
@@ -3002,7 +3001,7 @@ static void tcg_commit(MemoryListener *listener)
tlb_flush(cpuas->cpu);
}
-static void memory_map_init(void)
+void memory_map_init(void)
{
system_memory = g_malloc(sizeof(*system_memory));
diff --git a/include/exec/address-spaces.h b/include/exec/address-spaces.h
index db8bfa9..56a877b 100644
--- a/include/exec/address-spaces.h
+++ b/include/exec/address-spaces.h
@@ -33,6 +33,8 @@ MemoryRegion *get_system_memory(void);
*/
MemoryRegion *get_system_io(void);
+void memory_map_init(void);
+
extern AddressSpace address_space_memory;
extern AddressSpace address_space_io;
diff --git a/include/remote/machine.h b/include/remote/machine.h
new file mode 100644
index 0000000..7e9bdbe
--- /dev/null
+++ b/include/remote/machine.h
@@ -0,0 +1,30 @@
+/*
+ * Remote machine configuration
+ *
+ * Copyright © 2018, 2020 Oracle and/or its affiliates.
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+#ifndef REMOTE_MACHINE_H
+#define REMOTE_MACHINE_H
+
+#include "qemu/osdep.h"
+#include "qom/object.h"
+#include "hw/boards.h"
+#include "remote/pcihost.h"
+#include "qemu/notify.h"
+
+typedef struct RemMachineState {
+ MachineState parent_obj;
+
+ RemPCIHost *host;
+} RemMachineState;
+
+#define TYPE_REMOTE_MACHINE "remote-machine"
+#define REMOTE_MACHINE(obj) \
+ OBJECT_CHECK(RemMachineState, (obj), TYPE_REMOTE_MACHINE)
+
+#endif
diff --git a/remote/Makefile.objs b/remote/Makefile.objs
index 2757f5a..13d4c48 100644
--- a/remote/Makefile.objs
+++ b/remote/Makefile.objs
@@ -1,2 +1,3 @@
remote-pci-obj-$(CONFIG_MPQEMU) += remote-main.o
remote-pci-obj-$(CONFIG_MPQEMU) += pcihost.o
+remote-pci-obj-$(CONFIG_MPQEMU) += machine.o
diff --git a/remote/machine.c b/remote/machine.c
new file mode 100644
index 0000000..97e4f19
--- /dev/null
+++ b/remote/machine.c
@@ -0,0 +1,84 @@
+/*
+ * Machine for remote device
+ *
+ * Copyright © 2018, 2020 Oracle and/or its affiliates.
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include "qemu/osdep.h"
+#include "remote/pcihost.h"
+#include "remote/machine.h"
+#include "exec/address-spaces.h"
+#include "exec/memory.h"
+#include "exec/ioport.h"
+#include "qemu/thread.h"
+#include "qom/object.h"
+#include "qemu/module.h"
+#include "qapi/error.h"
+#include "qemu/main-loop.h"
+#include "qemu-common.h"
+#include "sysemu/sysemu.h"
+#include "qemu/notify.h"
+
+static void remote_machine_init(Object *obj)
+{
+ RemMachineState *s = REMOTE_MACHINE(obj);
+ RemPCIHost *rem_host;
+ MemoryRegion *system_memory, *system_io, *pci_memory;
+
+ Error *error_abort = NULL;
+
+ object_property_add_child(object_get_root(), "machine", obj, &error_abort);
+ if (error_abort) {
+ error_report_err(error_abort);
+ }
+
+ memory_map_init();
+
+ system_memory = get_system_memory();
+ system_io = get_system_io();
+
+ pci_memory = g_new(MemoryRegion, 1);
+ memory_region_init(pci_memory, NULL, "pci", UINT64_MAX);
+
+ rem_host = REMOTE_HOST_DEVICE(qdev_create(NULL, TYPE_REMOTE_HOST_DEVICE));
+
+ rem_host->mr_pci_mem = pci_memory;
+ rem_host->mr_sys_mem = system_memory;
+ rem_host->mr_sys_io = system_io;
+
+ s->host = rem_host;
+
+ object_property_add_child(OBJECT(s), "remote-device", OBJECT(rem_host),
+ &error_abort);
+ if (error_abort) {
+ error_report_err(error_abort);
+ return;
+ }
+
+ qemu_mutex_lock_iothread();
+ memory_region_add_subregion_overlap(system_memory, 0x0, pci_memory, -1);
+ qemu_mutex_unlock_iothread();
+
+ qdev_init_nofail(DEVICE(rem_host));
+}
+
+static const TypeInfo remote_machine = {
+ .name = TYPE_REMOTE_MACHINE,
+ .parent = TYPE_MACHINE,
+ .instance_size = sizeof(RemMachineState),
+ .instance_init = remote_machine_init,
+};
+
+static void remote_machine_register_types(void)
+{
+ type_register_static(&remote_machine);
+}
+
+type_init(remote_machine_register_types);
diff --git a/remote/remote-main.c b/remote/remote-main.c
index 7c0764a..ecf30e0 100644
--- a/remote/remote-main.c
+++ b/remote/remote-main.c
@@ -14,10 +14,17 @@
#include <stdio.h>
#include "qemu/module.h"
+#include "remote/pcihost.h"
+#include "remote/machine.h"
+#include "hw/boards.h"
+#include "hw/qdev-core.h"
+#include "qemu/main-loop.h"
int main(int argc, char *argv[])
{
module_call_init(MODULE_INIT_QOM);
+ current_machine = MACHINE(REMOTE_MACHINE(object_new(TYPE_REMOTE_MACHINE)));
+
return 0;
}
diff --git a/util/Makefile.objs b/util/Makefile.objs
index 6b38b67..80b2067 100644
--- a/util/Makefile.objs
+++ b/util/Makefile.objs
@@ -60,3 +60,5 @@ util-obj-y += guest-random.o
util-obj-$(CONFIG_GIO) += dbus.o
dbus.o-cflags = $(GIO_CFLAGS)
dbus.o-libs = $(GIO_LIBS)
+
+remote-pci-obj-$(CONFIG_MPQEMU) += notify.o
--
1.8.3.1
- [PATCH v5 00/50] Initial support for multi-process qemu, Jagannathan Raman, 2020/02/24
- [PATCH v5 02/50] multi-process: Refactor machine_init and exit notifiers, Jagannathan Raman, 2020/02/24
- [PATCH v5 03/50] multi-process: add a command line option for debug file, Jagannathan Raman, 2020/02/24
- [PATCH v5 01/50] multi-process: memory: alloc RAM from file at offset, Jagannathan Raman, 2020/02/24
- [PATCH v5 05/50] multi-process: Add config option for multi-process QEMU, Jagannathan Raman, 2020/02/24
- [PATCH v5 07/50] multi-process: define mpqemu-link object, Jagannathan Raman, 2020/02/24
- [PATCH v5 09/50] multi-process: setup PCI host bridge for remote device, Jagannathan Raman, 2020/02/24
- [PATCH v5 06/50] multi-process: build system for remote device process, Jagannathan Raman, 2020/02/24
- [PATCH v5 08/50] multi-process: add functions to synchronize proxy and remote endpoints, Jagannathan Raman, 2020/02/24
- [PATCH v5 11/50] multi-process: setup memory manager for remote device, Jagannathan Raman, 2020/02/24
- [PATCH v5 10/50] multi-process: setup a machine object for remote device process,
Jagannathan Raman <=
- [PATCH v5 12/50] multi-process: remote process initialization, Jagannathan Raman, 2020/02/24
- [PATCH v5 14/50] mutli-process: build remote command line args, Jagannathan Raman, 2020/02/24
- [PATCH v5 13/50] multi-process: introduce proxy object, Jagannathan Raman, 2020/02/24
- [PATCH v5 15/50] multi-process: PCI BAR read/write handling for proxy & remote endpoints, Jagannathan Raman, 2020/02/24
- [PATCH v5 16/50] multi-process: Synchronize remote memory, Jagannathan Raman, 2020/02/24
- [PATCH v5 18/50] multi-process: configure remote side devices, Jagannathan Raman, 2020/02/24
- [PATCH v5 17/50] multi-process: create IOHUB object to handle irq, Jagannathan Raman, 2020/02/24
- [PATCH v5 20/50] multi-process: add qdev_proxy_add to create proxy devices, Jagannathan Raman, 2020/02/24
- [PATCH v5 19/50] multi-process: Retrieve PCI info from remote process, Jagannathan Raman, 2020/02/24
- [PATCH v5 21/50] multi-process: remote: add setup_devices msg processing, Jagannathan Raman, 2020/02/24