From: David Hildenbrand <david@redhat.com>
To: qemu-devel@nongnu.org
Cc: kvm@vger.kernel.org, qemu-s390x@nongnu.org,
Richard Henderson <rth@twiddle.net>,
Paolo Bonzini <pbonzini@redhat.com>,
"Dr . David Alan Gilbert" <dgilbert@redhat.com>,
Eduardo Habkost <ehabkost@redhat.com>,
"Michael S . Tsirkin" <mst@redhat.com>,
David Hildenbrand <david@redhat.com>,
Pankaj Gupta <pankaj.gupta.linux@gmail.com>,
Marcel Apfelbaum <marcel.apfelbaum@gmail.com>,
Eric Blake <eblake@redhat.com>,
Markus Armbruster <armbru@redhat.com>
Subject: [PATCH v2 15/19] pc: Support for virtio-mem-pci
Date: Wed, 20 May 2020 14:31:48 +0200 [thread overview]
Message-ID: <20200520123152.60527-16-david@redhat.com> (raw)
In-Reply-To: <20200520123152.60527-1-david@redhat.com>
Let's wire it up similar to virtio-pmem. Also disallow unplug, so it's
harder for users to shoot themselves into the foot.
Reviewed-by: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: Eric Blake <eblake@redhat.com>
Cc: Markus Armbruster <armbru@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
---
hw/i386/Kconfig | 1 +
hw/i386/pc.c | 49 ++++++++++++++++++++++++++++---------------------
2 files changed, 29 insertions(+), 21 deletions(-)
diff --git a/hw/i386/Kconfig b/hw/i386/Kconfig
index c93f32f657..03e347b207 100644
--- a/hw/i386/Kconfig
+++ b/hw/i386/Kconfig
@@ -35,6 +35,7 @@ config PC
select ACPI_PCI
select ACPI_VMGENID
select VIRTIO_PMEM_SUPPORTED
+ select VIRTIO_MEM_SUPPORTED
config PC_PCI
bool
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 2128f3d6fe..f071b6f63c 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -86,6 +86,7 @@
#include "hw/net/ne2000-isa.h"
#include "standard-headers/asm-x86/bootparam.h"
#include "hw/virtio/virtio-pmem-pci.h"
+#include "hw/virtio/virtio-mem-pci.h"
#include "hw/mem/memory-device.h"
#include "sysemu/replay.h"
#include "qapi/qmp/qerror.h"
@@ -1657,8 +1658,8 @@ static void pc_cpu_pre_plug(HotplugHandler *hotplug_dev,
numa_cpu_pre_plug(cpu_slot, dev, errp);
}
-static void pc_virtio_pmem_pci_pre_plug(HotplugHandler *hotplug_dev,
- DeviceState *dev, Error **errp)
+static void pc_virtio_md_pci_pre_plug(HotplugHandler *hotplug_dev,
+ DeviceState *dev, Error **errp)
{
HotplugHandler *hotplug_dev2 = qdev_get_bus_hotplug_handler(dev);
Error *local_err = NULL;
@@ -1669,7 +1670,8 @@ static void pc_virtio_pmem_pci_pre_plug(HotplugHandler *hotplug_dev,
* order. This should never be the case on x86, however better add
* a safety net.
*/
- error_setg(errp, "virtio-pmem-pci not supported on this bus.");
+ error_setg(errp,
+ "virtio based memory devices not supported on this bus.");
return;
}
/*
@@ -1684,8 +1686,8 @@ static void pc_virtio_pmem_pci_pre_plug(HotplugHandler *hotplug_dev,
error_propagate(errp, local_err);
}
-static void pc_virtio_pmem_pci_plug(HotplugHandler *hotplug_dev,
- DeviceState *dev, Error **errp)
+static void pc_virtio_md_pci_plug(HotplugHandler *hotplug_dev,
+ DeviceState *dev, Error **errp)
{
HotplugHandler *hotplug_dev2 = qdev_get_bus_hotplug_handler(dev);
Error *local_err = NULL;
@@ -1703,17 +1705,17 @@ static void pc_virtio_pmem_pci_plug(HotplugHandler *hotplug_dev,
error_propagate(errp, local_err);
}
-static void pc_virtio_pmem_pci_unplug_request(HotplugHandler *hotplug_dev,
- DeviceState *dev, Error **errp)
+static void pc_virtio_md_pci_unplug_request(HotplugHandler *hotplug_dev,
+ DeviceState *dev, Error **errp)
{
- /* We don't support virtio pmem hot unplug */
- error_setg(errp, "virtio pmem device unplug not supported.");
+ /* We don't support hot unplug of virtio based memory devices */
+ error_setg(errp, "virtio based memory devices cannot be unplugged.");
}
-static void pc_virtio_pmem_pci_unplug(HotplugHandler *hotplug_dev,
- DeviceState *dev, Error **errp)
+static void pc_virtio_md_pci_unplug(HotplugHandler *hotplug_dev,
+ DeviceState *dev, Error **errp)
{
- /* We don't support virtio pmem hot unplug */
+ /* We don't support hot unplug of virtio based memory devices */
}
static void pc_machine_device_pre_plug_cb(HotplugHandler *hotplug_dev,
@@ -1723,8 +1725,9 @@ static void pc_machine_device_pre_plug_cb(HotplugHandler *hotplug_dev,
pc_memory_pre_plug(hotplug_dev, dev, errp);
} else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
pc_cpu_pre_plug(hotplug_dev, dev, errp);
- } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI)) {
- pc_virtio_pmem_pci_pre_plug(hotplug_dev, dev, errp);
+ } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI) ||
+ object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MEM_PCI)) {
+ pc_virtio_md_pci_pre_plug(hotplug_dev, dev, errp);
}
}
@@ -1735,8 +1738,9 @@ static void pc_machine_device_plug_cb(HotplugHandler *hotplug_dev,
pc_memory_plug(hotplug_dev, dev, errp);
} else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
pc_cpu_plug(hotplug_dev, dev, errp);
- } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI)) {
- pc_virtio_pmem_pci_plug(hotplug_dev, dev, errp);
+ } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI) ||
+ object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MEM_PCI)) {
+ pc_virtio_md_pci_plug(hotplug_dev, dev, errp);
}
}
@@ -1747,8 +1751,9 @@ static void pc_machine_device_unplug_request_cb(HotplugHandler *hotplug_dev,
pc_memory_unplug_request(hotplug_dev, dev, errp);
} else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
pc_cpu_unplug_request_cb(hotplug_dev, dev, errp);
- } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI)) {
- pc_virtio_pmem_pci_unplug_request(hotplug_dev, dev, errp);
+ } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI) ||
+ object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MEM_PCI)) {
+ pc_virtio_md_pci_unplug_request(hotplug_dev, dev, errp);
} else {
error_setg(errp, "acpi: device unplug request for not supported device"
" type: %s", object_get_typename(OBJECT(dev)));
@@ -1762,8 +1767,9 @@ static void pc_machine_device_unplug_cb(HotplugHandler *hotplug_dev,
pc_memory_unplug(hotplug_dev, dev, errp);
} else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
pc_cpu_unplug_cb(hotplug_dev, dev, errp);
- } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI)) {
- pc_virtio_pmem_pci_unplug(hotplug_dev, dev, errp);
+ } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI) ||
+ object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MEM_PCI)) {
+ pc_virtio_md_pci_unplug(hotplug_dev, dev, errp);
} else {
error_setg(errp, "acpi: device unplug for not supported device"
" type: %s", object_get_typename(OBJECT(dev)));
@@ -1775,7 +1781,8 @@ static HotplugHandler *pc_get_hotplug_handler(MachineState *machine,
{
if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM) ||
object_dynamic_cast(OBJECT(dev), TYPE_CPU) ||
- object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI)) {
+ object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI) ||
+ object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MEM_PCI)) {
return HOTPLUG_HANDLER(machine);
}
--
2.25.4
WARNING: multiple messages have this Message-ID (diff)
From: David Hildenbrand <david@redhat.com>
To: qemu-devel@nongnu.org
Cc: Pankaj Gupta <pankaj.gupta.linux@gmail.com>,
Eduardo Habkost <ehabkost@redhat.com>,
kvm@vger.kernel.org, "Michael S . Tsirkin" <mst@redhat.com>,
David Hildenbrand <david@redhat.com>,
"Dr . David Alan Gilbert" <dgilbert@redhat.com>,
Markus Armbruster <armbru@redhat.com>,
qemu-s390x@nongnu.org, Paolo Bonzini <pbonzini@redhat.com>,
Richard Henderson <rth@twiddle.net>
Subject: [PATCH v2 15/19] pc: Support for virtio-mem-pci
Date: Wed, 20 May 2020 14:31:48 +0200 [thread overview]
Message-ID: <20200520123152.60527-16-david@redhat.com> (raw)
In-Reply-To: <20200520123152.60527-1-david@redhat.com>
Let's wire it up similar to virtio-pmem. Also disallow unplug, so it's
harder for users to shoot themselves into the foot.
Reviewed-by: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: Eric Blake <eblake@redhat.com>
Cc: Markus Armbruster <armbru@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
---
hw/i386/Kconfig | 1 +
hw/i386/pc.c | 49 ++++++++++++++++++++++++++++---------------------
2 files changed, 29 insertions(+), 21 deletions(-)
diff --git a/hw/i386/Kconfig b/hw/i386/Kconfig
index c93f32f657..03e347b207 100644
--- a/hw/i386/Kconfig
+++ b/hw/i386/Kconfig
@@ -35,6 +35,7 @@ config PC
select ACPI_PCI
select ACPI_VMGENID
select VIRTIO_PMEM_SUPPORTED
+ select VIRTIO_MEM_SUPPORTED
config PC_PCI
bool
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 2128f3d6fe..f071b6f63c 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -86,6 +86,7 @@
#include "hw/net/ne2000-isa.h"
#include "standard-headers/asm-x86/bootparam.h"
#include "hw/virtio/virtio-pmem-pci.h"
+#include "hw/virtio/virtio-mem-pci.h"
#include "hw/mem/memory-device.h"
#include "sysemu/replay.h"
#include "qapi/qmp/qerror.h"
@@ -1657,8 +1658,8 @@ static void pc_cpu_pre_plug(HotplugHandler *hotplug_dev,
numa_cpu_pre_plug(cpu_slot, dev, errp);
}
-static void pc_virtio_pmem_pci_pre_plug(HotplugHandler *hotplug_dev,
- DeviceState *dev, Error **errp)
+static void pc_virtio_md_pci_pre_plug(HotplugHandler *hotplug_dev,
+ DeviceState *dev, Error **errp)
{
HotplugHandler *hotplug_dev2 = qdev_get_bus_hotplug_handler(dev);
Error *local_err = NULL;
@@ -1669,7 +1670,8 @@ static void pc_virtio_pmem_pci_pre_plug(HotplugHandler *hotplug_dev,
* order. This should never be the case on x86, however better add
* a safety net.
*/
- error_setg(errp, "virtio-pmem-pci not supported on this bus.");
+ error_setg(errp,
+ "virtio based memory devices not supported on this bus.");
return;
}
/*
@@ -1684,8 +1686,8 @@ static void pc_virtio_pmem_pci_pre_plug(HotplugHandler *hotplug_dev,
error_propagate(errp, local_err);
}
-static void pc_virtio_pmem_pci_plug(HotplugHandler *hotplug_dev,
- DeviceState *dev, Error **errp)
+static void pc_virtio_md_pci_plug(HotplugHandler *hotplug_dev,
+ DeviceState *dev, Error **errp)
{
HotplugHandler *hotplug_dev2 = qdev_get_bus_hotplug_handler(dev);
Error *local_err = NULL;
@@ -1703,17 +1705,17 @@ static void pc_virtio_pmem_pci_plug(HotplugHandler *hotplug_dev,
error_propagate(errp, local_err);
}
-static void pc_virtio_pmem_pci_unplug_request(HotplugHandler *hotplug_dev,
- DeviceState *dev, Error **errp)
+static void pc_virtio_md_pci_unplug_request(HotplugHandler *hotplug_dev,
+ DeviceState *dev, Error **errp)
{
- /* We don't support virtio pmem hot unplug */
- error_setg(errp, "virtio pmem device unplug not supported.");
+ /* We don't support hot unplug of virtio based memory devices */
+ error_setg(errp, "virtio based memory devices cannot be unplugged.");
}
-static void pc_virtio_pmem_pci_unplug(HotplugHandler *hotplug_dev,
- DeviceState *dev, Error **errp)
+static void pc_virtio_md_pci_unplug(HotplugHandler *hotplug_dev,
+ DeviceState *dev, Error **errp)
{
- /* We don't support virtio pmem hot unplug */
+ /* We don't support hot unplug of virtio based memory devices */
}
static void pc_machine_device_pre_plug_cb(HotplugHandler *hotplug_dev,
@@ -1723,8 +1725,9 @@ static void pc_machine_device_pre_plug_cb(HotplugHandler *hotplug_dev,
pc_memory_pre_plug(hotplug_dev, dev, errp);
} else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
pc_cpu_pre_plug(hotplug_dev, dev, errp);
- } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI)) {
- pc_virtio_pmem_pci_pre_plug(hotplug_dev, dev, errp);
+ } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI) ||
+ object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MEM_PCI)) {
+ pc_virtio_md_pci_pre_plug(hotplug_dev, dev, errp);
}
}
@@ -1735,8 +1738,9 @@ static void pc_machine_device_plug_cb(HotplugHandler *hotplug_dev,
pc_memory_plug(hotplug_dev, dev, errp);
} else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
pc_cpu_plug(hotplug_dev, dev, errp);
- } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI)) {
- pc_virtio_pmem_pci_plug(hotplug_dev, dev, errp);
+ } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI) ||
+ object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MEM_PCI)) {
+ pc_virtio_md_pci_plug(hotplug_dev, dev, errp);
}
}
@@ -1747,8 +1751,9 @@ static void pc_machine_device_unplug_request_cb(HotplugHandler *hotplug_dev,
pc_memory_unplug_request(hotplug_dev, dev, errp);
} else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
pc_cpu_unplug_request_cb(hotplug_dev, dev, errp);
- } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI)) {
- pc_virtio_pmem_pci_unplug_request(hotplug_dev, dev, errp);
+ } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI) ||
+ object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MEM_PCI)) {
+ pc_virtio_md_pci_unplug_request(hotplug_dev, dev, errp);
} else {
error_setg(errp, "acpi: device unplug request for not supported device"
" type: %s", object_get_typename(OBJECT(dev)));
@@ -1762,8 +1767,9 @@ static void pc_machine_device_unplug_cb(HotplugHandler *hotplug_dev,
pc_memory_unplug(hotplug_dev, dev, errp);
} else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
pc_cpu_unplug_cb(hotplug_dev, dev, errp);
- } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI)) {
- pc_virtio_pmem_pci_unplug(hotplug_dev, dev, errp);
+ } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI) ||
+ object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MEM_PCI)) {
+ pc_virtio_md_pci_unplug(hotplug_dev, dev, errp);
} else {
error_setg(errp, "acpi: device unplug for not supported device"
" type: %s", object_get_typename(OBJECT(dev)));
@@ -1775,7 +1781,8 @@ static HotplugHandler *pc_get_hotplug_handler(MachineState *machine,
{
if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM) ||
object_dynamic_cast(OBJECT(dev), TYPE_CPU) ||
- object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI)) {
+ object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI) ||
+ object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MEM_PCI)) {
return HOTPLUG_HANDLER(machine);
}
--
2.25.4
next prev parent reply other threads:[~2020-05-20 12:33 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-20 12:31 [PATCH v2 00/19] virtio-mem: Paravirtualized memory hot(un)plug David Hildenbrand
2020-05-20 12:31 ` David Hildenbrand
2020-05-20 12:31 ` [PATCH v2 01/19] exec: Introduce ram_block_discard_(disable|require)() David Hildenbrand
2020-05-20 12:31 ` David Hildenbrand
2020-05-20 12:31 ` [PATCH v2 02/19] vfio: Convert to ram_block_discard_disable() David Hildenbrand
2020-05-20 12:31 ` David Hildenbrand
2020-05-20 12:31 ` [PATCH v2 03/19] accel/kvm: " David Hildenbrand
2020-05-20 12:31 ` David Hildenbrand
2020-05-20 13:00 ` Philippe Mathieu-Daudé
2020-05-20 13:01 ` David Hildenbrand
2020-05-20 12:31 ` [PATCH v2 04/19] s390x/pv: " David Hildenbrand
2020-05-20 12:31 ` David Hildenbrand
2020-05-20 12:31 ` [PATCH v2 05/19] virtio-balloon: Rip out qemu_balloon_inhibit() David Hildenbrand
2020-05-20 12:31 ` David Hildenbrand
2020-05-20 12:31 ` [PATCH v2 06/19] target/i386: sev: Use ram_block_discard_disable() David Hildenbrand
2020-05-20 12:31 ` David Hildenbrand
2020-05-20 12:31 ` [PATCH v2 07/19] migration/rdma: " David Hildenbrand
2020-05-20 12:31 ` David Hildenbrand
2020-05-20 15:52 ` Dr. David Alan Gilbert
2020-05-20 15:52 ` Dr. David Alan Gilbert
2020-05-20 12:31 ` [PATCH v2 08/19] migration/colo: " David Hildenbrand
2020-05-20 12:31 ` David Hildenbrand
2020-05-20 12:31 ` [PATCH v2 09/19] linux-headers: update to contain virtio-mem David Hildenbrand
2020-05-20 12:31 ` David Hildenbrand
2020-05-20 12:31 ` [PATCH v2 10/19] virtio-mem: Paravirtualized memory hot(un)plug David Hildenbrand
2020-05-20 12:31 ` David Hildenbrand
2020-05-20 12:31 ` [PATCH v2 11/19] virtio-pci: Proxy for virtio-mem David Hildenbrand
2020-05-20 12:31 ` David Hildenbrand
2020-05-20 12:31 ` [PATCH v2 12/19] MAINTAINERS: Add myself as virtio-mem maintainer David Hildenbrand
2020-05-20 12:31 ` David Hildenbrand
2020-05-20 16:01 ` Dr. David Alan Gilbert
2020-05-20 16:01 ` Dr. David Alan Gilbert
2020-05-20 12:31 ` [PATCH v2 13/19] hmp: Handle virtio-mem when printing memory device info David Hildenbrand
2020-05-20 12:31 ` David Hildenbrand
2020-05-20 12:31 ` [PATCH v2 14/19] numa: Handle virtio-mem in NUMA stats David Hildenbrand
2020-05-20 12:31 ` David Hildenbrand
2020-05-20 12:31 ` David Hildenbrand [this message]
2020-05-20 12:31 ` [PATCH v2 15/19] pc: Support for virtio-mem-pci David Hildenbrand
2020-05-20 12:31 ` [PATCH v2 16/19] virtio-mem: Allow notifiers for size changes David Hildenbrand
2020-05-20 12:31 ` David Hildenbrand
2020-05-20 12:31 ` [PATCH v2 17/19] virtio-pci: Send qapi events when the virtio-mem " David Hildenbrand
2020-05-20 12:31 ` David Hildenbrand
2020-05-20 12:31 ` [PATCH v2 18/19] virtio-mem: Migration sanity checks David Hildenbrand
2020-05-20 12:31 ` David Hildenbrand
2020-05-20 12:31 ` [PATCH v2 19/19] virtio-mem: Add trace events David Hildenbrand
2020-05-20 12:31 ` David Hildenbrand
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