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2010-09-07pci_bridge: introduce pci bridge library.Isaku Yamahata
introduce pci bridge library. convert apb bridge and dec p2p bridge to use new pci bridge library. save/restore is supported as a side effect. This is also preparation for pci express root/upstream/downstream port. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-07-22pci_bridge: clean up: remove pci_{register, unregister}_secondary_bus()Isaku Yamahata
Remove pci_{register, unregister}_secondary_bus() by open code. They are old stype API and aren't used any more by others. So eliminate it. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-07-22pci_bridge: rename PCIBridge::bus -> PCIBridge::sec_bus.Isaku Yamahata
To avoid confusion of primary bus with secondary bus, rename PCIBridge::bus to PCIBridge::sec_bus. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-07-22pci/bridge: split out pci bridge code into pci_bridge.c from pci.cIsaku Yamahata
Move pci bridge related code into pci_bridge.c from pci.c for further enhancement. pci.c is big enough now, so split it out. No code change but exporting some accesser functions. In fact, few pci bridge functions stays in pci.c. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-07-19pci: move out pci internal structures, PCIBus, PCIBridge, and pci_bus_info.Isaku Yamahata
move out pci internal structures, PCIBus, PCIBridge and pci_bus_info into private header file, pci_internals.h. This is a preparation. Later pci bridge implementation will be split out form pci.c into pci_bridge.c. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-07-19vhost: fix miration during device startMichael S. Tsirkin
We need to know ring layout to allocate log buffer. So init rings first. Also fixes a theoretical memory-leak-on-error. https://bugzilla.redhat.com/show_bug.cgi?id=615228 Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Tested-by: Gerd Hoffmann <kraxel@redhat.com>
2010-07-19e1000: secrc supportMichael S. Tsirkin
Add support for secrc field. Reportedly needed by old RHEL guests. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-07-19e1000: fix access 4 bytes beyond buffer endMichael S. Tsirkin
We do range check for size, and get size as buffer, but copy size + 4 bytes (4 is for FCS). Let's copy size bytes but put size + 4 in length. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-07-11pci: fix bridge updateMichael S. Tsirkin
bridge config write should trigger updates on the secondary bus. never on the primary bus. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-07-11virtio-net: correct packet length mathMichael S. Tsirkin
We were requesting too much when checking buffer length: size already includes host header length. Further, we should not exit if we get a packet that is too long, since this might not be under control of the guest. Just drop the packet. Red Hat bz 591494 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-07-11pci hotplug: make pci hotplug return value to callerIsaku Yamahata
make pci hotplug callback return value to caller. And when returning error, allocated resources are freed. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-07-11vmware_vga: fix reset value for command registerMichael S. Tsirkin
Make init value for this register match the spec. BAR address is 0 at init, so enabling it only works by chance. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-07-11rtl8139: address TODOsMichael S. Tsirkin
Make rtl8139 spec compliant, fixing reset values for command register. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-07-11pci hotplug: make pci_device_hot_remove() staticIsaku Yamahata
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Acked-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-07-11pcnet: address TODOsMichael S. Tsirkin
pcnet enables memory/io on init, which does not make sense as BAR values are wrong. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Tested-by: Jan Kiszka <jan.kiszka@siemens.com>
2010-07-11pci: fix pci_device_resetIsaku Yamahata
Clear interrupt disable bit on reset, according to PCI spec. Fix pci_device_reset() with 64bit BAR. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-07-11AppleSMC device emulationAlexander Graf
Intel Macs have a chip called the "AppleSMC" which they use to control certain Apple specific parts of the hardware, like the keyboard background light. That chip is also used to store a key that Mac OS X uses to decrypt binaries. This patch adds emulation for that chip, so we're getting one step further to having Mac OS X run natively on Qemu. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-07-11pci: set PCI multi-function bit appropriately.Isaku Yamahata
Set PCI multi-function bit according to multifunction property. PCI address, devfn ,is exported to users as addr property, so users can populate pci function(PCIDevice in qemu) at arbitrary devfn. It means each function(PCIDevice) don't know whether pci device (PCIDevice[8]) is multi function or not. So this patch allows user to set multifunction bit via property and checks whether multifunction bit is set correctly. Cc: Juan Quintela <quintela@redhat.com> Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-07-11pci_bridge: make pci bridge aware of pci multi function bit.Isaku Yamahata
make pci bridge aware of pci multi function property and let pci generic code to set the bit. Cc: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-07-11pci: set multifunction property for normal device.Isaku Yamahata
use pci_create_simple_multifunction() for normal device which sets multifunction bit. At the moment, only pc_piix.c and mips_malta.c uses multifunction devices with piix3/4 pci-isa bridge. And other boards don't populate those devices. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-07-11pci: introduce multifunction property.Isaku Yamahata
introduce multifunction property. Also introduce new convenient device creation function which will be used later. For bisectability this patch doesn't do anything, but sets the property resulting in no functional changes. Actual changes will be introduced by later patch. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-07-11qdev: implement qdev_prop_set_bit().Isaku Yamahata
implement qdev_prop_set_bit(). Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-07-11pci: remove PCIDeviceInfo::header_typeIsaku Yamahata
replace PCIDeviceInfo::header_type with is_bridge as suggested by Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-07-11pci: don't overwrite multi functio bit in pci header type.Isaku Yamahata
Don't overwrite pci header type. Otherwise, multi function bit which pci_init_header_type() sets appropriately is lost. Anyway PCI_HEADER_TYPE_NORMAL is zero, so it is unnecessary to zero which is already zero cleared. how to test: run qemu and issue info pci to see whether a device in question is normal device, not pci-to-pci bridge. This is handy because guest os isn't required. tested changes: The following files are covered by using following commands. sparc64-softmmu apb_pci.c, vga-pci.c, cmd646.c, ne2k_pci.c, sun4u.c ppc-softmmu grackle_pci.c, cmd646.c, ne2k_pci.c, vga-pci.c, macio.c ppc-softmmu -M mac99 unin_pci.c(uni-north, uni-north-agp) ppc64-softmmu pci-ohci, ne2k_pci, vga-pci, unin_pci.c(u3-agp) x86_64-softmmu acpi_piix4.c, ide/piix.c, piix_pci.c -vga vmware vmware_vga.c -watchdog i6300esb wdt_i6300esb.c -usb usb-uhci.c -sound ac97 ac97.c -nic model=rtl8139 rtl8139.c -nic model=pcnet pcnet.c -balloon virtio virtio-pci.c: untested changes: The following changes aren't tested. prep_pci.c: ppc-softmmu -M prep should cover, but core dumped. unin_pci.c(uni-north-pci): the caller is commented out. openpic.c: the caller is commented out in ppc_prep.c Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-07-11pci: insert assert that auto-assigned-address function is single function ↵Isaku Yamahata
device. Auto-assigned-address pci function (passing devfn = -1) is always single function. This patch adds assert() to guarantee that auto-assigned-address function is always single function device at function = 0. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-07-11pci: use PCI_DEVFN() where appropriate.Isaku Yamahata
Use PCI_DEVFN() and PCI_FUNC_MAX where appropriate. This patch make it clear that func = 0. test: The following object files with/without this patch are stripped and compared. They remains same. arm-softmmu/versatile_pci.o libhw32/ppce500_pci.o libhw32/unin_pci.o libhw64/ppce500_pci.o libhw64/unin_pci.o mips-softmmu/gt64xxx.o mips64-softmmu/gt64xxx.o mips64el-softmmu/gt64xxx.o mipsel-softmmu/gt64xxx.o Cc: Aurelien Jarno <aurelien@aurel32.net> Cc: Yu Liu <yu.liu@freescale.com> Cc: Paul Brook <paul@codesourcery.com> Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-07-06Merge remote branch 'kwolf/for-anthony' into stagingAnthony Liguori
2010-07-06pci: Free the space allocated for the option rom on removalAlex Williamson
Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-06qemu_ram_alloc: Add DeviceState and name parametersAlex Williamson
These will be used to generate unique id strings for ramblocks. The name field is required, the device pointer is optional as most callers don't have a device. When there's no device or the device isn't a child of a bus implementing BusInfo.get_dev_path, the name should be unique for the platform. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-06virtio-net: Incorporate a DeviceState pointer and let savevm track instancesAlex Williamson
Stuff a pointer to the DeviceState into the VirtIONet structure so that we can easily remove the vmstate entry later. Also, let vmstate track the instance number (it should always be zero internally since the device path should now be unique). Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-06eepro100: Add a dev field to eeprom new/free functionsAlex Williamson
This allows us to create a more meaningful savevm string. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-06savevm: Add DeviceState paramAlex Williamson
When available, we'd like to be able to access the DeviceState when registering a savevm. For buses with a get_dev_path() function, this will allow us to create more unique savevm id strings. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-06pci: Implement BusInfo.get_dev_path()Alex Williamson
This works great for PCI since a <segment>:<bus>:<dev>.<fn> uniquely describes a global address. No need to traverse up the qdev tree. PCI segment support is a placeholder for compatibility once we support multiple segments. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-06qdev: Add a get_dev_path() function to BusInfoAlex Williamson
This function is meant to provide a stable device path for buses which are able to implement it. If a bus has a globally unique addresses scheme, one address level may be sufficient to provide a path. Other buses may need to recursively traverse up the qdev tree. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-06pc: Allocate all ram in a single qemu_ram_alloc()Alex Williamson
This will benefit us when we migrate based on ramblock name since we won't be bouncing between separate blocks. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-06make rtc alatm workGleb Natapov
Convert alarm time from BCD if needed before comparing with current time. Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-06scsi: Fix SCSI bus resetJan Kiszka
When the controller raises the SCSI reset line, we have to perform the requested reset on all disks attached to the controller's bus. Moreover, reset is edge triggered, so avoid repeating it if the line was already high. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-06ide: Reject invalid CHS geometryMarkus Armbruster
drive_init() doesn't permit invalid CHS for if=ide, but that's worthless: we get it via if=none and -device. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-07-06ide: Reject readonly drives unless CD-ROMMarkus Armbruster
drive_init() doesn't permit option readonly for if=ide, but that's worthless: we get it via if=none and -device. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-07-06ide: Make ide_init_drive() return successMarkus Armbruster
It still always succeeds. The next commits will add failures. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-07-06ide: Replace IDEState members is_cdrom, is_cf by drive_kindMarkus Armbruster
The two aren't independent variables. Make that obvious. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-07-06ide: Improve error messagesMarkus Armbruster
Use error_report(), because it points to the error location. Reword "tried to assign twice" messages to make it clear that we're complaining about the unit property. Report invalid unit property instead of failing silently. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-07-06scsi: Error locations for -drive if=scsi device initializationMarkus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-07-06scsi: Reject unimplemented error actionsMarkus Armbruster
drive_init() doesn't permit rerror for if=scsi, but that's worthless: we get it via if=none and -device. Moreover, scsi-generic doesn't support werror. Since drive_init() doesn't catch that, option werror was silently ignored even with if=scsi. Wart: unlike drive_init(), we don't reject the default action when it's explicitly specified. That's because we can't distinguish "no rerror option" from "rerror=report", or "no werror" from "rerror=enospc". Left for another day. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-07-06qdev: Don't hw_error() in qdev_init_nofail()Markus Armbruster
Some of the failures are internal errors, and hw_error() is okay then. But the common way to fail is bad user input, e.g. -global isa-fdc.driveA=foo where drive foo has an unsupported rerror value. exit(1) instead. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-07-06fdc: Reject unimplemented error actionsMarkus Armbruster
drive_init() doesn't permit them for if=floppy, but that's worthless: we get them via if=none and -global. This can make device initialization fail. Since all callers of fdctrl_init_isa() ignore its value, change it to die instead of returning failure. Without this, some callers would ignore the failure, and others would crash. Wart: unlike drive_init(), we don't reject the default action when it's explicitly specified. That's because we can't distinguish "no rerror option" from "rerror=report", or "no werror" from "rerror=enospc". Left for another day. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-07-06Add virtio disk identification supportjohn cooper
This patch adds the final missing bits for support of passing a serial/id string to a virtio-blk guest driver. The guest-side component already exists in the virtio driver, and has recently been reworked by Ryan to export a /sys interface for retrieval of the id from guest userland. Signed-off-by: john cooper <john.cooper@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-07-06Merge remote branch 'kwolf/for-anthony' into stagingAnthony Liguori
2010-07-03remove exec-all.h inclusion from cpu.hPaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-07-02pc: Fix CMOS info for drives defined with -deviceMarkus Armbruster
Drives defined with -drive if=ide get get created along with the IDE controller, inside machine->init(). That's before cmos_init(). Drives defined with -device get created during generic device init. That's after cmos_init(). Because of that, CMOS has no information on them (type, geometry, translation). Older versions of Windows such as XP reportedly choke on that. Split off the part of CMOS initialization that needs to know about -device devices, and turn it into a reset handler, so it runs after device creation. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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