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2010-06-14virtio-blk: simplify multiwrite calling conventionsChristoph Hellwig1-37/+35
Pass the MultiReqBuffer structure down all the way to the I/O submission instead of takin it apart. Also mark num_writes unsigned as it can't go negative, and take the check for any pending I/O requests into the submission function. Last but not least rename do_multiwrite to virtio_submit_multiwrite to fit the general naming scheme and make clear what it does. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-06-14virtio-blk: stop tracking old_bsChristoph Hellwig1-19/+10
There is a 1:1 relation between VirtIOBlock and BlockDriverState instances, no need to track it because it won't change. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-06-14un-register kbd driver in case of USB kbd unplug.Jes Sorensen3-2/+13
If a USB keyboard is unplugged, the keyboard eventhandler is never removed, and events will continue to be passed through to the device, causing crashes or memory corruption. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-06-14make qemu_thread_create block all signalsPaolo Bonzini2-27/+18
All signals will thus be routed through the IO thread. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-06-14migration-tcp: call migrate_fd_error() instead of close() and free().Yoshiaki Tamura1-3/+1
This patch fixes the following error report. When changing migration-tcp.c to call migrate_fd_error() instead of close() and free() by itself, monitor is resumed, and returns allocated mig_state is set to current_migration in migration.c allows us to print "info migrate". Reported-by: Cole Robinson <crobinso@redhat.com> Signed-off-by: Yoshiaki Tamura <tamura.yoshiaki@lab.ntt.co.jp> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-06-14migration: use qemu_free() instead of free().Yoshiaki Tamura1-1/+1
Although there is no difference, other migration related code use qemu_free(), and it should be better to be consistent. Signed-off-by: Yoshiaki Tamura <tamura.yoshiaki@lab.ntt.co.jp> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-06-14etrax-ser: Support the uart rx fifo.Edgar E. Iglesias1-22/+51
Add support for the rx fifo to speed up bulk transfers. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@axis.com>
2010-06-14ram_blocks: Convert to a QLISTAlex Williamson3-66/+54
This makes the RAM block list easier to manipulate. Also incorporate relevant variables into the RAMList struct. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Acked-by: Chris Wright <chrisw@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-06-14Make netdev_del delete the netdev even when it's in useMarkus Armbruster1-4/+0
To hot-unplug guest and host part of a network device, you do: device_del NIC-ID netdev_del NETDEV-ID For PCI devices, device_del merely tells ACPI to unplug the device. The device goes away for real only after the guest processed the ACPI unplug event. You have to wait until then (e.g. by polling info pci) before you can unplug the netdev. Not good. Fix by removing the "in use" check from do_netdev_del(). Deleting a netdev while it's in use is safe; packets simply get routed to the bit bucket. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-06-14pass info about hpets to seabios.]Gleb Natapov3-0/+34
Currently HPET ACPI table is created regardless of whether qemu actually created hpet device. This may confuse some guests that don't check that hpet is functional before using it. Solve this by passing info about hpets in qemu to seabios via fw config interface. Additional benefit is that seabios no longer uses hard coded hpet configuration. Proposed interface supports up to 8 hpets. This is the number defined by hpet spec. Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-06-14hpet: Init capability register only onceJan Kiszka1-4/+5
The capability register is read-only from guest POV, so we do not need to update it on reset. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-06-14qemu-option: Fix uninitialized value in append_option_parameterKevin Wolf1-0/+1
When dest is NULL, i.e. a new copy of the list is created, we don't get a properly terminated list after the realloc. Initialize it as an empty list. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-06-14Change #define DEBUG to #define E1000_DEBUG in hw/e1000.cJes Sorensen1-2/+2
Change #define DEBUG to #define E1000_DEBUG in hw/e1000.c to make it possible to build QEMU with -DDEBUG Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-06-14Remove unused DEBUG defines from hw/msix.cJes Sorensen1-9/+0
Remove unused DEBUG defines from hw/msix.c to avoid having anything define the word DEBUG without any additions such as MSIX_DEBUG. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-06-14Merge remote branch 'kwolf/for-anthony' into stagingAnthony Liguori48-785/+916
Conflicts: hw/pc.c
2010-06-14Merge remote branch 'qmp/for-anthony' into stagingAnthony Liguori6-66/+177
2010-06-13OHCI address decoding fixPaul Brook1-0/+4
Ignore high address bits when PCI memory window is not mapped on a page boundary. Signed-off-by: Paul Brook <paul@codesourcery.com>
2010-06-13Move stdbool.hPaul Brook14-15/+2
Move inclusion of stdbool.h to common header files, instead of including in an ad-hoc manner. Signed-off-by: Paul Brook <paul@codesourcery.com>
2010-06-13monitor/QMP: Drop info hpet / query-hpetJan Kiszka3-44/+1
This command was of minimal use before, now it is useless as the hpet become a qdev device and is thus easily discoverable. We should definitely not set query-hpet in QMP's stone, and there is also no good reason to keep it for the interactive monitor. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-13hpet: Add MSI supportJan Kiszka2-5/+37
This implements the HPET capability of routing IRQs to the front-side bus, aka MSI support. This feature can be enabled via the qdev property "msi" and is off by default. Note that switching it on can cause guests (at least Linux) to use the HPET as timer instead of the LAPIC. KVM users should recall that only the latter is currently available as fast in-kernel model. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-13hpet: Make number of timers configurableJan Kiszka2-14/+45
One HPET block supports up to 32 timers. Allow to instantiate more than the recommended and implemented minimum of 3. The number is configured via the qdev property "timers". It is also saved/restored so that it need not match between migration peers. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-13vmstate: Add VMSTATE_STRUCT_VARRAY_UINT8Jan Kiszka1-0/+10
Required for hpet. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-13hpet: Add support for level-triggered interruptsJan Kiszka1-10/+22
By implementing this feature we can also remove a nasty way to kill qemu (by trying to enable level-triggered hpet interrupts). Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-13hpet: Drop static stateJan Kiszka1-21/+17
Instead of keeping a static reference around, pass the state to hpet_enabled and hpet_get_ticks. All callers now have it at hand. Will once allow to instantiate the HPET more than a single time. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-13hpet/rtc: Rework RTC IRQ replacement by HPETJan Kiszka9-56/+51
Allow the intercept the RTC IRQ for the HPET legacy mode. Then push routing to IRQ8 completely into the HPET. This allows to turn hpet_in_legacy_mode() into a private function. Furthermore, this stops the RTC from clearing IRQ8 even if the HPET is in control. This patch comes with a side effect: The RTC timers will no longer be stoppend when there is no IRQ consumer, possibly causing a minor performance degration. But as the guest may want to redirect the RTC to the SCI in that mode, it should normally disable unused IRQ source anyway. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-13hpet: Start/stop timer when HPET_TN_ENABLE is modifiedJan Kiszka1-0/+5
We have to update the qemu timer when the per-timer enable bit is toggled, just like for HPET_CFG_ENABLE changes. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-13hpet: Convert to qdevJan Kiszka3-15/+38
Register the HPET as a sysbus device and create it that way. As it can route its IRQs to any ISA IRQ, we need to connect it to all 24 of them. Once converted to qdev, we can move reset handler and vmstate registration into its hands as well. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-13hpet: Move static timer field initializationJan Kiszka1-2/+2
Properly initialize HPETTimer::tn and HPETTimer::state once during hpet_init instead of (re-)writing them on every reset. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-13hpet: Silence warning on write to running main counterJan Kiszka1-2/+2
Setting the main counter while the HPET is enabled may not be a good idea of the guest, but it is supported and should, thus, not spam the host console with warnings. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-13hpet: Coding style cleanups and some refactoringsJan Kiszka2-218/+226
This moves the private HPET structures into the C module, simplifies some helper functions and fixes most coding style issues (biggest chunk was improper switch-case indention). No functional changes. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-13hpet: Catch out-of-bounds timer accessJan Kiszka1-1/+5
Also prevent out-of-bounds write access to the timers but don't spam the host console if it triggers. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-13configure: Fix evaluation of config-host.mak in create_configJan Kiszka1-1/+1
Only match on true dir variable assignments, avoid generating garbage due to the "# Configured with: ..." line which may contain "*dir=" as well. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-06-13tcg-s390: correctly detect s390 with a 64-bit kernelAurelien Jarno1-0/+6
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-06-12Compile OS specific files only once for all targetsBlue Swirl1-2/+2
OS specific files are not target dependent, so they can be compiled once for all targets. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-12Move set_proc_name() to OS specific files.Jes Sorensen4-18/+27
Move handling to change process name to POSIX specific files plus add a better error message to cover the case where the feature isn't supported. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Juan Quintela <quintela@redhat.com> Acked-by: Richard Henderson <rth@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-12Move line-buffering setup to OS specific files.Jes Sorensen4-4/+9
Move line-buffering setup to OS specific files. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Juan Quintela <quintela@redhat.com> Acked-by: Richard Henderson <rth@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-12Make os_change_process_uid and os_change_root os-posix.c localJes Sorensen3-8/+4
os_change_process_uid() and os_change_root() are now only called from os-posix.c, so no need to keep win32 stubs for them. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Juan Quintela <quintela@redhat.com> Acked-by: Richard Henderson <rth@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-12Move daemonize handling to OS specific filesJes Sorensen6-103/+115
Move daemonize handling from vl.c to OS specific files. Provide dummy stubs for Win32. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Juan Quintela <quintela@redhat.com> Acked-by: Richard Henderson <rth@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-12Move chroot handling to OS specific files.Jes Sorensen4-17/+22
Move chroot handling to OS specific files. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Juan Quintela <quintela@redhat.com> Acked-by: Richard Henderson <rth@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-12Move runas handling from vl.c to OS specific files.Jes Sorensen4-28/+31
Move code to handle runas, ie. change of user id of QEMU process to OS specific files and provide dummy stub for Win32. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Juan Quintela <quintela@redhat.com> Acked-by: Richard Henderson <rth@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-12Introduce OS specific cmdline argument handling and move SMB arg to os-posix.cJes Sorensen6-16/+76
Introduce OS specific cmdline argument handling by calling os_parse_cmd_args() at the end of switch() statement. Move option enum to qemu-options.h and have it included from os-posix.c and os-win32.c in addition to vl.c. In addition move SMB argument to os-posix.c Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Juan Quintela <quintela@redhat.com> Acked-by: Richard Henderson <rth@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-12Rename qemu-options.h to qemu-options.defJes Sorensen2-5/+5
Rename qemu-options.h to qemu-options.def as it is not a header file for general use and this leaves space for a proper qemu-options.h Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Juan Quintela <quintela@redhat.com> Acked-by: Richard Henderson <rth@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-12Move find_datadir to OS specific files.Jes Sorensen4-90/+90
This moves the win32 and POSIX versions of find_datadir() to OS specific files, and removes some #ifdef clutter from vl.c Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Juan Quintela <quintela@redhat.com> Acked-by: Richard Henderson <rth@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-12Move main signal handler setup to os specificfiles.Jes Sorensen4-32/+33
Move main signal handler setup to os specific files. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Juan Quintela <quintela@redhat.com> Acked-by: Richard Henderson <rth@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-12Rename os_setup_signal_handling() to os_setup_early_signal_handling()Jes Sorensen4-4/+4
Rename os_setup_signal_handling() to os_setup_early_signal_handling() Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Juan Quintela <quintela@redhat.com> Acked-by: Richard Henderson <rth@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-12Move win32 early signal handling setup to os_setup_signal_handling()Jes Sorensen4-32/+31
Move win32 early signal handling setup to os_setup_signal_handling() Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Juan Quintela <quintela@redhat.com> Acked-by: Richard Henderson <rth@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-12Introduce os-posix.c and create os_setup_signal_handling()Jes Sorensen4-7/+45
Introcuce os-posix.c and move posix specific signal handling there. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Juan Quintela <quintela@redhat.com> Acked-by: Richard Henderson <rth@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-12vl.c: Move host_main_loop_wait() to OS specific files.Jes Sorensen5-51/+82
Move host_main_loop_wait() to OS specific files. Create qemu-os-posix.h and provide empty inline for the POSIX case. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Juan Quintela <quintela@redhat.com> Acked-by: Richard Henderson <rth@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-12Introduce os-win32.c and move polling functions from vl.cJes Sorensen3-80/+112
This introduces os-win32.c. It is meant to carry win32 specific functions thata are not relevant for all of QEMU as well as win32 versions of various pieces like signal handling etc. Move win32 polling handler helper functions from vl.c to os-win32.c Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Juan Quintela <quintela@redhat.com> Acked-by: Richard Henderson <rth@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-12Create qemu-os-win32.h and move WIN32 specific declarations thereJes Sorensen2-16/+44
Create qemu-os-win32.h for WIN32 specific declarations. Move polling handling declaration into this file from sysemu.h Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Juan Quintela <quintela@redhat.com> Acked-by: Richard Henderson <rth@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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