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2011-06-26cpu_loop_exit: avoid using AREG0Blue Swirl16-56/+57
Make cpu_loop_exit() take a parameter for CPUState instead of relying on global env. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-06-26Sparc32: dummy implementation of MXCC MMU breakpoint registersBlue Swirl3-3/+53
Add dummy registers for SuperSPARC MXCC MMU counter breakpoints, save and load all MXCC registers. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-06-26Fix fallouts from Linux header inclusionJan Kiszka4-18/+40
This is an all-in-one fix for the smaller and bigger mistakes of the build system changes for accompanied Linux headers: - only enable KVM and vhost on Linux hosts - fix powerpc asm header symlink - do not use Linux headers on non-Linux hosts - fix kvmclock for !CONFIG_KVM - fix s390 build on non-Linux hosts Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Tested-by: Andreas Färber <andreas.faerber@web.de> Tested-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-06-23coreaudio: Fix OSStatus format specifierAndreas Färber1-1/+1
OSStatus type is defined as SInt32. That's signed int on __LP64__ and signed long otherwise. Since it is an explicit 32-bit-width type, cast to corresponsing POSIX type and use PRId32 format specifier. This avoids a warning on ppc64. Cc: malc <av1474@comtv.ru> Signed-off-by: Andreas Faerber <andreas.faerber@web.de> Signed-off-by: malc <av1474@comtv.ru>
2011-06-23coreaudio: Avoid formatting UInt32 typeAndreas Färber1-2/+2
coreaudioVoiceOut's audioDevicePropertyBufferFrameSize is defined as UInt32 and is being used by reference for AudioDevice{Get,Set}Property(). UInt32 is unsigned int on __LP64__ but unsigned long otherwise. Cast to POSIX type and use PRIu32 format specifier to hide the details. This avoids a warning on ppc64. Cc: malc <av1474@comtv.ru> Signed-off-by: Andreas Faerber <andreas.faerber@web.de> Signed-off-by: malc <av1474@comtv.ru>
2011-06-22net: Warn about "-net nic" options which were ignoredPeter Maydell3-1/+18
Diagnose the case where the user asked for a NIC via "-net nic" but the board didn't instantiate that NIC (for example where the user asked for two NICs but the board only supports one). Note that this diagnostic doesn't apply to NICs created through -device, because those are always instantiated. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-06-22net: Don't warn about the default network setupPeter Maydell1-0/+12
Don't warn about the default network setup that you get if no command line -net options are specified. There are two cases that we would otherwise complain about: (1) board doesn't support a NIC but the implicit "-net nic" requested one (2) CONFIG_SLIRP not set, so the implicit "-net nic" sets up a nic that isn't connected to anything Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-06-22Revert "net: Improve the warnings for dubious command line option combinations"Peter Maydell1-31/+0
This reverts commit f68b9d672b90dedc79aeb9b44607f484dbe46a6b. That attempt at diagnosing unused -net nic options failed to account for NICs created via -device; back it out cleanly in preparation for implementing in a different manner. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-06-22Optimize screendumpAvi Kivity1-3/+10
When running kvm-autotest, fputc() is often the second highest (sometimes #1) function showing up in a profile. This is due to fputc() locking the file for every byte written. Optimize by buffering a line's worth of pixels and writing that out in a single call. Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-06-22Merge remote-tracking branch 'qmp/for-anthony' into stagingAnthony Liguori6-9/+15
2011-06-22Merge remote-tracking branch 'qemu-kvm/uq/master' into stagingAnthony Liguori29-327/+2675
2011-06-22Merge remote-tracking branch 'mst/for_anthony' into stagingAnthony Liguori56-441/+2741
Conflicts: hw/usb-uhci.c
2011-06-22Merge remote-tracking branch 'agraf/xen-next' into stagingAnthony Liguori17-185/+826
2011-06-21kvm: fix FPU state subsectionMarcelo Tosatti1-3/+3
There is no need to specify version on the subsection fields. Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2011-06-20KVM: Fix XSAVE feature bit enumerationAndre Przywara1-1/+4
When iterating through the XSAVE feature enumeration CPUID leaf (0xD) we should not stop at the first zero EAX, but instead keep scanning since there are gaps in the enumeration (ECX=1 for instance). This fixes the proper usage of AVX in KVM guests. Signed-off-by: Andre Przywara <andre.przywara@amd.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2011-06-20Remove unneeded kvm.h from cpu-exec.cJan Kiszka1-1/+0
This was obsoleted by 6792a57bf1. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2011-06-20kvm: x86: Pass KVMState to kvm_arch_get_supported_cpuidJan Kiszka3-24/+28
kvm_arch_get_supported_cpuid checks for global cpuid restrictions, it does not require any CPUState reference. Changing its interface allows to call it before any VCPU is initialized. CC: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2011-06-20kvm: Clean up stubsJan Kiszka1-17/+1
No one references kvm_check_extension, kvm_has_vcpu_events, and kvm_has_robust_singlestep outside KVM code. kvm_update_guest_debug is never called, thus has no job besides returning an error. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2011-06-20kvm: ppc: Drop KVM_CAP build dependenciesJan Kiszka1-14/+0
No longer needed with accompanied kernel headers. CC: Alexander Graf <agraf@suse.de> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Reviewed-by: Alexander Graf <agraf@suse.de> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2011-06-20kvm: x86: Drop KVM_CAP build dependenciesJan Kiszka1-64/+3
No longer needed with accompanied kernel headers. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2011-06-20kvm: Drop KVM_CAP build dependenciesJan Kiszka1-8/+0
No longer needed with accompanied kernel headers. We are only left with build dependencies that are controlled by kvm arch headers. CC: Alexander Graf <agraf@suse.de> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2011-06-20kvm: Drop useless zero-initializationsJan Kiszka1-5/+0
Backing KVMState is alreay zero-initialized. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2011-06-20kvm: ppc: Drop CONFIG_KVM_PPC_PVRJan Kiszka2-10/+0
Required header support is now unconditionally available. CC: Alexander Graf <agraf@suse.de> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Reviewed-by: Alexander Graf <agraf@suse.de> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2011-06-20kvm: Drop CONFIG_KVM_PARAJan Kiszka3-35/+1
The kvm_para.h header is now always available. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2011-06-20Switch build system to accompanied kernel headersJan Kiszka4-145/+21
This helps reducing our build-time checks for feature support in the available Linux kernel headers. And it helps users that do not have sufficiently recent headers installed on their build machine. Consequently, the patch removes and build-time checks for kvm and vhost in configure, the --kerneldir switch, and KVM_CFLAGS. Kernel headers are supposed to be provided by QEMU only. s390 needs some extra love as it carries redefinitions from kernel headers. CC: Alexander Graf <agraf@suse.de> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2011-06-20Import kernel headersJan Kiszka13-0/+2520
These kernel headers and the COPYING file were automatically imported from current Linux git, cb0a02ecf9 (post 3.0-rc2). Licensing: asm-powerpc GPLv2 asm-s390 GPLv2 asm-x86 Linux top-level license (GPLv2 with exception) linux/kvm*: Linux top-level license (GPLv2 with exception) linux/vhost: Linux top-level license (GPLv2 with exception) linux/virtio*: 3-clause BSB CC: Alexander Graf <agraf@suse.de> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2011-06-20Add kernel header update scriptJan Kiszka2-0/+57
This helper pulls the required kernel headers for KVM and vhost into a specified directory. The update is triggered via scripts/update-linux-headers.sh LINUX_PATH and will place the output under linux-headers/linux and linux-headers/asm-*. It also imports the COPYING to care for headers without an explicit license. CC: Alexander Graf <agraf@suse.de> CC: Christoph Hellwig <hch@lst.de> CC: Peter Maydell <peter.maydell@linaro.org> CC: Andreas Färber <andreas.faerber@web.de> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2011-06-20cmd: fix operator precedenceFrediano Ziglio1-3/+3
Signed-off-by: Frediano Ziglio <freddy77@gmail.com> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-06-20Fix typo in cpus.cAlexandre Raymond1-1/+1
filed -> failed Signed-off-by: Alexandre Raymond <cerbere@gmail.com> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-06-20lsi: Fix unused-but-set-variable warningChristophe Fergeau1-2/+0
This warning is new in gcc 4.6. Signed-off-by: Christophe Fergeau <cfergeau@redhat.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-06-19kvm: x86: Save/restore FPU OP, IP and DPJan Kiszka3-5/+42
These FPU states are properly maintained by KVM but not yet by TCG. So far we unconditionally set them to 0 in the guest which may cause state corruptions, though not with modern guests. To avoid breaking backward migration, use a conditional subsection that is only written if any of the three fields is non-zero. The guest's FNINIT clears them frequently, and cleared IA32_MISC_ENABLE MSR[2] reduces the probability of non-zero values further so that this subsection is not expected to restrict migration in any common scenario. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-06-19xen: Add the Xen platform pci deviceSteven Smith6-0/+354
Introduce a new emulated PCI device, specific to fully virtualized Xen guests. The device is necessary for PV on HVM drivers to work. Signed-off-by: Steven Smith <ssmith@xensource.com> Signed-off-by: Anthony PERARD <anthony.perard@citrix.com> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-06-19xen: fix interrupt routingStefano Stabellini3-38/+35
Compared to the last version I only added a comment to the code. - remove i440FX-xen and i440fx_write_config_xen we don't need to intercept pci config writes to i440FX anymore; - introduce PIIX3-xen and piix3_write_config_xen we do need to intercept pci config write to the PCI-ISA bridge to update the PCI link routing; - set the number of PIIX3-xen interrupts line to 128; Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-06-19xen: only track the linear framebufferStefano Stabellini1-0/+14
Xen can only do dirty bit tracking for one memory region, so we should explicitly avoid trying to track anything but the vga vram region. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-06-19cirrus_vga: reset lfb_addr after a pci config write if the BAR is unmappedStefano Stabellini1-1/+4
If the cirrus_vga PCI BAR is unmapped than we should not only reset map_addr but also lfb_addr, otherwise we'll keep trying to map the old lfb_addr in map_linear_vram. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Acked-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-06-19xen: mapcache performance improvementsStefano Stabellini1-18/+10
Use qemu_invalidate_entry in cpu_physical_memory_unmap. Do not lock mapcache entries in qemu_get_ram_ptr if the address falls in the ramblock with offset == 0. We don't need to do that because the callers of qemu_get_ram_ptr either try to map an entire block, other from the main ramblock, or until the end of a page to implement a single read or write in the main ramblock. If we don't lock mapcache entries in qemu_get_ram_ptr we don't need to call qemu_invalidate_entry in qemu_put_ram_ptr anymore because we can leave with few long lived block mappings requested by devices. Also move the call to qemu_ram_addr_from_mapcache at the beginning of qemu_ram_addr_from_host. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-06-19exec.c: refactor cpu_physical_memory_mapStefano Stabellini2-17/+35
Introduce qemu_ram_ptr_length that takes an address and a size as parameters rather than just an address. Refactor cpu_physical_memory_map so that we call qemu_ram_ptr_length only once rather than calling qemu_get_ram_ptr one time per page. This is not only more efficient but also tries to simplify the logic of the function. Currently we are relying on the fact that all the pages are mapped contiguously in qemu's address space: we have a check to make sure that the virtual address returned by qemu_get_ram_ptr from the second call on is consecutive. Now we are making this more explicit replacing all the calls to qemu_get_ram_ptr with a single call to qemu_ram_ptr_length passing a size argument. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> CC: agraf@suse.de CC: anthony@codemonkey.ws Signed-off-by: Alexander Graf <agraf@suse.de>
2011-06-19xen: remove xen_map_block and xen_unmap_blockStefano Stabellini4-65/+4
Replace xen_map_block with qemu_map_cache with the appropriate locking and size parameters. Replace xen_unmap_block with qemu_invalidate_entry. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-06-19xen: remove qemu_map_cache_unlockStefano Stabellini4-39/+1
There is no need for qemu_map_cache_unlock, just use qemu_invalidate_entry instead. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-06-19xen: fix qemu_map_cache with size != MCACHE_BUCKET_SIZEStefano Stabellini1-12/+65
Fix the implementation of qemu_map_cache: correctly support size arguments different from 0 or MCACHE_BUCKET_SIZE. The new implementation supports locked mapcache entries with size multiple of MCACHE_BUCKET_SIZE. qemu_invalidate_entry can correctly find and unmap these "large" mapcache entries given that the virtual address passed to qemu_invalidate_entry is the same returned by qemu_map_cache when the locked mapcache entry was created. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-06-19xen: Introduce VGA sync dirty bitmap supportAnthony PERARD2-0/+268
This patch introduces phys memory client for Xen. Only sync dirty_bitmap and set_memory are actually implemented. migration_log will stay empty for the moment. Xen can only log one range for bit change, so only the range in the first call will be synced. Signed-off-by: Anthony PERARD <anthony.perard@citrix.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-06-19xen: Add xc_domain_add_to_physmap to xen_interface.Anthony PERARD2-1/+42
This function will be used to support sync dirty bitmap. This come with a check against every Xen release, and special implementation for Xen version that doesn't have this specific call. This function will not be usable with Xen 3.3 because the behavior is different. Signed-off-by: Anthony PERARD <anthony.perard@citrix.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-06-16Reset system before loadvmJan Kiszka1-0/+1
In case we load the vmstate during incoming migration, we start from a clean, default machine state as we went through system reset before. But if we load from a snapshot, the machine can be in any state. That can cause troubles if loading an older image which does not carry all state information the executing QEMU requires. Hardly any device takes care of this scenario. However, fixing this is trivial. We just need to issue a system reset during loadvm as well. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2011-06-16Allow silent system resetsJan Kiszka3-6/+11
This allows qemu_system_reset to be issued silently for internal purposes, ie. without sending out a monitor event. Convert the system reset after startup to the silent mode. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2011-06-16error framework: Fix compilation for w32/w64Stefan Weil2-3/+3
The declaration of function error_set() should use macro GCC_FMT_ATTR instead of gcc's format printf attribute. For w32/w64, both declarations are different and GCC_FMT_ATTR is needed. Compilation for w64 even failed with the original code because mingw64 defines a macro for printf. GCC_FMT_ATTR requires qemu-common.h, so add it in error.c (it's also included by error_int.h but too late). Remove assert.h which is included by qemu-common.h. Cc: Luiz Capitulino <lcapitulino@redhat.com> Cc: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2011-06-16wdt: remove unused variablesMichael S. Tsirkin1-3/+0
Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
2011-06-16alpha: remove unused variableMichael S. Tsirkin1-1/+6
Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Richard Henderson <rth@twiddle.net>
2011-06-16alpha/translate: remve unused variablesMichael S. Tsirkin1-2/+1
Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Richard Henderson <rth@twiddle.net>
2011-06-16get_maintainer: update to match qemu treeMichael S. Tsirkin1-22/+12
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2011-06-15get_maintainer.pl: copy utility from LinuxMichael S. Tsirkin1-0/+2159
Our MAINTAINERS file format matches Linux so get the utility to parse it from there. Updated as of linux 3.0-rc3 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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