[libvirt] [PATCH 0/2] qemu: fixes for empty ejectable media drives
Peter Krempa (2): qemu: process: Refresh ejectable media tray state on VM start qemu: hotplug: Skip waiting for tray opening if qemu doesn't notify us src/qemu/qemu_capabilities.c | 2 ++ src/qemu/qemu_capabilities.h | 1 + src/qemu/qemu_hotplug.c | 19 +++++++++++++++++-- src/qemu/qemu_process.c | 4 ++++ tests/qemucapabilitiesdata/caps_1.2.2-1.caps | 1 + tests/qemucapabilitiesdata/caps_1.3.1-1.caps | 1 + tests/qemucapabilitiesdata/caps_1.4.2-1.caps | 1 + tests/qemucapabilitiesdata/caps_1.5.3-1.caps | 1 + tests/qemucapabilitiesdata/caps_1.6.0-1.caps | 1 + tests/qemucapabilitiesdata/caps_1.6.50-1.caps | 1 + tests/qemucapabilitiesdata/caps_2.1.1-1.caps | 1 + tests/qemucapabilitiesdata/caps_2.4.0-1.caps | 1 + tests/qemucapabilitiesdata/caps_2.5.0-1.caps | 1 + tests/qemucapabilitiesdata/caps_2.6.0-1.caps | 1 + 14 files changed, 34 insertions(+), 2 deletions(-) -- 2.8.1
Empty floppy drives start with tray in "open" state and libvirt did not refresh it after startup. The code that inserts media into the tray then waited until the tray was open before inserting the media and thus floppies could not be inserted. Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1326660 --- src/qemu/qemu_hotplug.c | 10 ++++++++-- src/qemu/qemu_process.c | 4 ++++ 2 files changed, 12 insertions(+), 2 deletions(-) diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c index ef8696b..ad4e7ab 100644 --- a/src/qemu/qemu_hotplug.c +++ b/src/qemu/qemu_hotplug.c @@ -300,8 +300,14 @@ qemuDomainCheckEjectableMedia(virQEMUDriverPtr driver, if (!info) goto cleanup; - if (info->tray_open && virDomainDiskGetSource(disk)) - ignore_value(virDomainDiskSetSource(disk, NULL)); + if (info->tray_open) { + if (virDomainDiskGetSource(disk)) + ignore_value(virDomainDiskSetSource(disk, NULL)); + + disk->tray_status = VIR_DOMAIN_DISK_TRAY_OPEN; + } else { + disk->tray_status = VIR_DOMAIN_DISK_TRAY_CLOSED; + } } ret = 0; diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c index 0ccc3ac..4a7c141 100644 --- a/src/qemu/qemu_process.c +++ b/src/qemu/qemu_process.c @@ -5555,6 +5555,10 @@ qemuProcessLaunch(virConnectPtr conn, if (qemuProcessUpdateVideoRamSize(driver, vm, asyncJob) < 0) goto cleanup; + VIR_DEBUG("Updating ejectable media status"); + if (qemuDomainCheckEjectableMedia(driver, vm, asyncJob) < 0) + goto cleanup; + if (flags & VIR_QEMU_PROCESS_START_AUTODESTROY && qemuProcessAutoDestroyAdd(driver, vm, conn) < 0) goto cleanup; -- 2.8.1
If qemu doesn't support DEVICE_TRAY_MOVED event the code that attempts to change media would attempt to re-eject the tray even if it wouldn't be notified when the tray opened. Add a capability bit and skip retrying for old qemus. --- src/qemu/qemu_capabilities.c | 2 ++ src/qemu/qemu_capabilities.h | 1 + src/qemu/qemu_hotplug.c | 9 +++++++++ tests/qemucapabilitiesdata/caps_1.2.2-1.caps | 1 + tests/qemucapabilitiesdata/caps_1.3.1-1.caps | 1 + tests/qemucapabilitiesdata/caps_1.4.2-1.caps | 1 + tests/qemucapabilitiesdata/caps_1.5.3-1.caps | 1 + tests/qemucapabilitiesdata/caps_1.6.0-1.caps | 1 + tests/qemucapabilitiesdata/caps_1.6.50-1.caps | 1 + tests/qemucapabilitiesdata/caps_2.1.1-1.caps | 1 + tests/qemucapabilitiesdata/caps_2.4.0-1.caps | 1 + tests/qemucapabilitiesdata/caps_2.5.0-1.caps | 1 + tests/qemucapabilitiesdata/caps_2.6.0-1.caps | 1 + 13 files changed, 22 insertions(+) diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c index de54788..677b06f 100644 --- a/src/qemu/qemu_capabilities.c +++ b/src/qemu/qemu_capabilities.c @@ -325,6 +325,7 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST, "pxb", "pxb-pcie", /* 220 */ + "device-tray-moved-event", ); @@ -1498,6 +1499,7 @@ struct virQEMUCapsStringFlags virQEMUCapsEvents[] = { { "DEVICE_DELETED", QEMU_CAPS_DEVICE_DEL_EVENT }, { "MIGRATION", QEMU_CAPS_MIGRATION_EVENT }, { "VSERPORT_CHANGE", QEMU_CAPS_VSERPORT_CHANGE }, + { "DEVICE_TRAY_MOVED", QEMU_CAPS_DEVICE_TRAY_MOVED }, }; struct virQEMUCapsStringFlags virQEMUCapsObjectTypes[] = { diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h index 83b8be3..705dfb1 100644 --- a/src/qemu/qemu_capabilities.h +++ b/src/qemu/qemu_capabilities.h @@ -356,6 +356,7 @@ typedef enum { /* 220 */ QEMU_CAPS_DEVICE_PXB_PCIE, /* -device pxb-pcie */ + QEMU_CAPS_DEVICE_TRAY_MOVED, /* DEVICE_TRAY_MOVED event */ QEMU_CAPS_LAST /* this must always be the last item */ } virQEMUCapsFlags; diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c index ad4e7ab..6e30dc1 100644 --- a/src/qemu/qemu_hotplug.c +++ b/src/qemu/qemu_hotplug.c @@ -203,6 +203,15 @@ qemuDomainChangeEjectableMedia(virQEMUDriverPtr driver, if (qemuDomainObjExitMonitor(driver, vm) < 0) goto cleanup; + /* skip all retrying if qemu doesn't notify us on tray change */ + if (!virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE_TRAY_MOVED)) { + if (rc == 0) + break; + + if (rc < 0) + goto error; + } + if (rc < 0) { /* we've already tried, error out */ if (ejectRetry) diff --git a/tests/qemucapabilitiesdata/caps_1.2.2-1.caps b/tests/qemucapabilitiesdata/caps_1.2.2-1.caps index 9ea36a6..ca9d4f5 100644 --- a/tests/qemucapabilitiesdata/caps_1.2.2-1.caps +++ b/tests/qemucapabilitiesdata/caps_1.2.2-1.caps @@ -113,4 +113,5 @@ <flag name='virtio-net'/> <flag name='qxl.vram64_size_mb'/> <flag name='qxl-vga.vram64_size_mb'/> + <flag name='device-tray-moved-event'/> </qemuCaps> diff --git a/tests/qemucapabilitiesdata/caps_1.3.1-1.caps b/tests/qemucapabilitiesdata/caps_1.3.1-1.caps index 8c237ef..de4ee01 100644 --- a/tests/qemucapabilitiesdata/caps_1.3.1-1.caps +++ b/tests/qemucapabilitiesdata/caps_1.3.1-1.caps @@ -128,4 +128,5 @@ <flag name='virtio-net'/> <flag name='qxl.vram64_size_mb'/> <flag name='qxl-vga.vram64_size_mb'/> + <flag name='device-tray-moved-event'/> </qemuCaps> diff --git a/tests/qemucapabilitiesdata/caps_1.4.2-1.caps b/tests/qemucapabilitiesdata/caps_1.4.2-1.caps index fe98a57..1dcf2fa 100644 --- a/tests/qemucapabilitiesdata/caps_1.4.2-1.caps +++ b/tests/qemucapabilitiesdata/caps_1.4.2-1.caps @@ -129,4 +129,5 @@ <flag name='virtio-net'/> <flag name='qxl.vram64_size_mb'/> <flag name='qxl-vga.vram64_size_mb'/> + <flag name='device-tray-moved-event'/> </qemuCaps> diff --git a/tests/qemucapabilitiesdata/caps_1.5.3-1.caps b/tests/qemucapabilitiesdata/caps_1.5.3-1.caps index 6e9ec3e..67ea419 100644 --- a/tests/qemucapabilitiesdata/caps_1.5.3-1.caps +++ b/tests/qemucapabilitiesdata/caps_1.5.3-1.caps @@ -138,4 +138,5 @@ <flag name='virtio-net'/> <flag name='qxl.vram64_size_mb'/> <flag name='qxl-vga.vram64_size_mb'/> + <flag name='device-tray-moved-event'/> </qemuCaps> diff --git a/tests/qemucapabilitiesdata/caps_1.6.0-1.caps b/tests/qemucapabilitiesdata/caps_1.6.0-1.caps index da371a4..fb91111 100644 --- a/tests/qemucapabilitiesdata/caps_1.6.0-1.caps +++ b/tests/qemucapabilitiesdata/caps_1.6.0-1.caps @@ -144,4 +144,5 @@ <flag name='virtio-net'/> <flag name='qxl.vram64_size_mb'/> <flag name='qxl-vga.vram64_size_mb'/> + <flag name='device-tray-moved-event'/> </qemuCaps> diff --git a/tests/qemucapabilitiesdata/caps_1.6.50-1.caps b/tests/qemucapabilitiesdata/caps_1.6.50-1.caps index 1e2fb6a..60dbe52 100644 --- a/tests/qemucapabilitiesdata/caps_1.6.50-1.caps +++ b/tests/qemucapabilitiesdata/caps_1.6.50-1.caps @@ -144,4 +144,5 @@ <flag name='virtio-net'/> <flag name='qxl.vram64_size_mb'/> <flag name='qxl-vga.vram64_size_mb'/> + <flag name='device-tray-moved-event'/> </qemuCaps> diff --git a/tests/qemucapabilitiesdata/caps_2.1.1-1.caps b/tests/qemucapabilitiesdata/caps_2.1.1-1.caps index 8175743..9221674 100644 --- a/tests/qemucapabilitiesdata/caps_2.1.1-1.caps +++ b/tests/qemucapabilitiesdata/caps_2.1.1-1.caps @@ -162,4 +162,5 @@ <flag name='qxl.vram64_size_mb'/> <flag name='qxl-vga.vram64_size_mb'/> <flag name='debug-threads'/> + <flag name='device-tray-moved-event'/> </qemuCaps> diff --git a/tests/qemucapabilitiesdata/caps_2.4.0-1.caps b/tests/qemucapabilitiesdata/caps_2.4.0-1.caps index 2cdf961..d52f7f3 100644 --- a/tests/qemucapabilitiesdata/caps_2.4.0-1.caps +++ b/tests/qemucapabilitiesdata/caps_2.4.0-1.caps @@ -174,4 +174,5 @@ <flag name='qxl-vga.vram64_size_mb'/> <flag name='debug-threads'/> <flag name='pxb'/> + <flag name='device-tray-moved-event'/> </qemuCaps> diff --git a/tests/qemucapabilitiesdata/caps_2.5.0-1.caps b/tests/qemucapabilitiesdata/caps_2.5.0-1.caps index ecaa165..e9750e4 100644 --- a/tests/qemucapabilitiesdata/caps_2.5.0-1.caps +++ b/tests/qemucapabilitiesdata/caps_2.5.0-1.caps @@ -175,4 +175,5 @@ <flag name='qxl-vga.vram64_size_mb'/> <flag name='debug-threads'/> <flag name='pxb'/> + <flag name='device-tray-moved-event'/> </qemuCaps> diff --git a/tests/qemucapabilitiesdata/caps_2.6.0-1.caps b/tests/qemucapabilitiesdata/caps_2.6.0-1.caps index e243f8a..208f063 100644 --- a/tests/qemucapabilitiesdata/caps_2.6.0-1.caps +++ b/tests/qemucapabilitiesdata/caps_2.6.0-1.caps @@ -180,4 +180,5 @@ <flag name='secret'/> <flag name='pxb'/> <flag name='pxb-pcie'/> + <flag name='device-tray-moved-event'/> </qemuCaps> -- 2.8.1
On 29.04.2016 14:02, Peter Krempa wrote:
Peter Krempa (2): qemu: process: Refresh ejectable media tray state on VM start qemu: hotplug: Skip waiting for tray opening if qemu doesn't notify us
src/qemu/qemu_capabilities.c | 2 ++ src/qemu/qemu_capabilities.h | 1 + src/qemu/qemu_hotplug.c | 19 +++++++++++++++++-- src/qemu/qemu_process.c | 4 ++++ tests/qemucapabilitiesdata/caps_1.2.2-1.caps | 1 + tests/qemucapabilitiesdata/caps_1.3.1-1.caps | 1 + tests/qemucapabilitiesdata/caps_1.4.2-1.caps | 1 + tests/qemucapabilitiesdata/caps_1.5.3-1.caps | 1 + tests/qemucapabilitiesdata/caps_1.6.0-1.caps | 1 + tests/qemucapabilitiesdata/caps_1.6.50-1.caps | 1 + tests/qemucapabilitiesdata/caps_2.1.1-1.caps | 1 + tests/qemucapabilitiesdata/caps_2.4.0-1.caps | 1 + tests/qemucapabilitiesdata/caps_2.5.0-1.caps | 1 + tests/qemucapabilitiesdata/caps_2.6.0-1.caps | 1 + 14 files changed, 34 insertions(+), 2 deletions(-)
ACK to both. Michal
participants (2)
-
Michal Privoznik -
Peter Krempa