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2010-11-22qdev: trigger reset from a given deviceIsaku Yamahata
Introduce a helper function which triggers reset from a given device. Will be used by pci bus emulation. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-11-22qdev: introduce reset call back for qbus levelIsaku Yamahata
and make it called via qbus_reset_all(). The qbus reset callback will be used by pci bus reset. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-11-22qdev: reset qdev along with qdev treeAnthony Liguori
This patch changes the reset handling so that qdev has no knowledge of the global system reset. Instead, a new bus/device level function is introduced that allows all devices/buses on the bus/device to be reset using a depth first transversal. N.B. we have to expose the implicit system bus because we have various hacks that result in an implicit system bus existing. Instead, we ought to have an explicitly created system bus that we can trigger reset from. That's a topic for a future patch though. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-11-22qbus: add functions to walk both devices and bussesAnthony Liguori
There are some cases where you want to walk the busses, in particular, when searching for a bus either by name or DeviceInfo. Paolo suggested that we model the return values on how GCC's walkers work which allows an actor to skip child transversal, or terminate walking with a positive value that's returned as the qbus_walk_children's result. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-11-22eepro100: Use a single rom file for all i825xx devicesStefan Weil
Patching the rom data during load (in qemu) now also supports i82801 (which had no rom file). We only need a single rom file for the whole device family, so remove the second one which is no longer needed. Cc: Markus Armbruster <armbru@redhat.com> Cc: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-11-22pci: Automatically patch PCI vendor id and device id in PCI ROMStefan Weil
PCI devices with different vendor or device ids sometimes share the same rom code. Only the ids and the checksum differs in a boot rom for such devices. The i825xx ethernet controller family is a typical example which is implemented in hw/eepro100.c. It uses at least 3 different device ids, so normally 3 boot roms would be needed. By automatically patching vendor id and device id (and the checksum) in qemu, all emulated family members can share the same boot rom. VGA bios roms are another example with different vendor and device ids. Only qemu's built-in default rom files will be patched. v2: * Patch also the vendor id (and remove the sanity check for vendor id). v3: * Don't patch a rom file when its name was set by the user. Thus we avoid modifications of unknown rom data. Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Markus Armbruster <armbru@redhat.com> Cc: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-11-22pci: Replace unneeded type casts in calls of pci_register_barStefan Weil
There is no need for these type casts (as other existing code shows). So re-write the first argument without type cast (and remove a related TODO comment). Cc: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-11-22pcie/port: fix bridge control register wmaskIsaku Yamahata
pci generic layer initialized wmask for bridge control register according to pci spec. pcie deviates slightly from it, so initialize it properly. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-11-22pci: fix bridge control bit wmaskMichael S. Tsirkin
Bits 12 to 15 in bridge control register are reserver and must be read-only zero, curent mask is 0xffff which makes them writeable. Fix this up by using symbolic bit names for writeable bits instead of a hardcoded constant. Fix a comment w1mask -> w1cmask as well. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-11-22x3130/downstream: support aer.Isaku Yamahata
add aer support. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-11-22x3130/upstream: support aerIsaku Yamahata
add aer support. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-11-22ioh3420: support aerIsaku Yamahata
Add aer support. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-11-22pcie_aer: complete unwinding recursionMichael S. Tsirkin
Open-code functions created in the previous patch, to make code more compact and clear. Detcted and documented what looks like a bug in code that becomes apparent from this refactoring. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-11-22pcie_aer: get rid of recursionMichael S. Tsirkin
Added some TODOs: they are trivial but omitted here to make the patch logic as transparent as possible. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-11-22pcie/aer: helper functions for pcie aer capabilityIsaku Yamahata
This patch implements helper functions for pcie aer capability which will be used later. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-11-22pcie_regs.h: more constantsIsaku Yamahata
Add constants for PCI AER log. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-11-22pci: add W1C bits to pci status registerIsaku Yamahata
This patch adds W1C bit support in the initialization/reset of pci status registers. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-11-16pci: allow hotplug removal of cold-plugged devicesMichael S. Tsirkin
This patch fixes hot unplug of cold plugged devices (those present at system start), which got broken by 5beb8ad503c88a76f2b8106c3b74b4ce485a60e1 . Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Cam Macdonell <cam@cs.ualberta.ca> Tested-by: Cam Macdonell <cam@cs.ualberta.ca> Reported-by: Cam Macdonell <cam@cs.ualberta.ca>.
2010-11-16PCI: Bus number from the bridge, not the deviceAlex Williamson
pcibus_dev_print() was erroneously retrieving the device bus number from the secondary bus number offset of the device instead of the bridge above the device. This ends of landing in the 2nd byte of the 3rd BAR for devices, which thankfully is usually zero. Note: pcibus_get_dev_path() copied this code, inheriting the same bug. pcibus_get_dev_path() is used for ramblock naming, so changing it can effect migration. However, I've only seen this byte be non-zero for an assigned device, which can't migrate anyway, so hopefully we won't run into any issues. This patch does not touch pcibus_get_dev_path, as bus number is guest assigned for nested buses, so using it for migration is broken anyway. Fix it properly later. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-11-13e1000: Fix TCP checksum overflow with TSOAlex Williamson
When adding the length to the pseudo header, we're not properly accounting for overflow. From: Mark Wu <dwu@redhat.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-11-01Merge remote branch 'mst/for_anthony' into stagingAnthony Liguori
2010-11-01hda-audio: Zap tabsmalc
Signed-off-by: malc <av1474@comtv.ru>
2010-11-01Add Intel HD Audio support to qemu.Gerd Hoffmann
This patch adds three devices to qemu: intel-hda Intel HD Audio Controller, the PCI device. Provides a HDA bus. Emulates ICH6 at the moment. Adding a ICH9 PCIE variant shouldn't be hard. hda-duplex HDA Codec. Attaches to the HDA bus. Supports 16bit stereo, rates 16k -> 96k, playback, recording and volume control (with CONFIG_MIXEMU=y). hda-output HDA Codec without recording support. Subset of the hda-duplex codec. Use this if you don't want your guests access your mic. Usage: add '-device intel-hda -device hda-duplex' to your command line. Tested guests: * Linux works. * Win7 works. * DOS (mpxplay) works. * WinXP doesn't work. [ v2 changes ] * Fixed endianess, big endian hosts work now. * Fixed some emulation bugs. * Added immediate command emulation. * Added vmstate support. * Make it behave like all other sound card drivers: - can be configured via '--audio-card-list=hda' - can be added to a VM using '-soundhw hda' * Code style fixups. * Zapped guest-triggerable asserts. * Handle partial reads/writes of audio data correctly. Cc: malc <av1474@comtv.ru> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: malc <av1474@comtv.ru>
2010-11-01add VMSTATE_BOOLGerd Hoffmann
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: malc <av1474@comtv.ru>
2010-10-31sparc32: convert debug printf statements to tracepointsBlue Swirl
Replace debug printf statements with tracepoints. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-30Do not redefine reserved key-words TRUE/FALSEJes Sorensen
TRUE/FALSE are generally reserved keywords and shouldn't be defined in a driver like this. Rename the macros to SDP_TRUE and SDP_FALSE respectively. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-30Mov muldiv64 to qemu-common.h (Thus unbreaking gus)malc
Signed-off-by: malc <av1474@comtv.ru>
2010-10-27Merge branch 'pci' into for_anthonyMichael S. Tsirkin
2010-10-27pcie: update satus on resetMichael S. Tsirkin
Reset never triggers a new event, so it's enough to update status. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-10-27msi: minor cleanupsMichael S. Tsirkin
Comment fixup (tell what it does not what it does not do), typo fix, whitespace fix. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-10-27msi: simplify range checksMichael S. Tsirkin
config write handlers should be idempotent. So no need for complex range checks: a simple one checking that we are touching the relevant capability will do. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-10-27pci: improve w1c mask handlingMichael S. Tsirkin
- save/restore must not check w1c bits since they are in fact guest controlled - clear w1c bits on reset Note: for express there are different kinds of reset, some leave part of config space alone. We will likely need a sticky bit mask to implement this. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-10-27pcie: clean up hot plug notificationMichael S. Tsirkin
Simplify logic for hotplug notification, by tracking state of the logical interrupt condition. We then simply use this variable to make the interrupt decision, according to spec. API is made cleaner as we no longer force users to pass in old slot control value. Includes fixes by Isaku Yamahata. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
2010-10-27pcie: simplify range checkMichael S. Tsirkin
Simplify code slighly by reversing the polarity for the range check Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
2010-10-27Introduce range.hBlue Swirl
Extract range functions from pci.h. These will be used by later patches by non-PCI devices. Adjust current users. Signed-off-by: Blue Swirl <blauwirbel@gmail.com> (cherry picked from commit bf1b00712375bea65f2254dea8281fa646eebbd5)
2010-10-27virtio: sanity-check available indexMichael S. Tsirkin
Checking available index upon load instead of only when vm is running makes is easier to debug failures. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-10-26Merge remote branch 'kwolf/for-anthony' into stagingAnthony Liguori
2010-10-23qemu-timer: move commonly used timer code to qemu-timer-commonBlue Swirl
Move timer init functions to a new file, qemu-timer-common.c. Make other critical timer functions inlined to preserve performance in qemu-timer.c, also move muldiv64() (used by the inline functions) to qemu-timer.h. Adjust block/raw-posix.c and simpletrace.c to use get_clock() directly. Remove a similar/duplicate definition in qemu-tool.c. Adjust hw/omap_clk.c to include qemu-timer.h because muldiv64() is used there. After this change, tracing can be used also for user code and simpletrace on Win32. Cc: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Acked-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-22mips_fulong2e: fix ram allocationBlue Swirl
RAM registration used incorrect offset. Fix by using the offset obtained previously for this purpose. Spotted by GCC 4.6.0 20100925 warning, which is also avoided. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-22virtio-blk: Respect werror option for flushesKevin Wolf
The werror option now affects not only write requests, but also flush requests. Previously, it was not possible to stop a VM on a failed flush. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-10-22ide: Handle flush failureKevin Wolf
Instead of always assuming success for bdrv_aio_flush, actually do something with the error. This respects the werror option and accordingly ignores the error, reports it to the guest or stops the VM and retries after cont. Ignoring the error is trivial, obviously. For stopping the VM and retrying later old code can be reused, but we need to introduce a new status for "retry a flush". For reporting to the guest, fortunately the same action is required as for a failed read/write (status = DRDY | ERR, error = ABRT), so this code can be reused as well. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-10-22ide: Factor ide_flush_cache outKevin Wolf
The next patch reuses this code, so put it in its own function. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-10-22ide: set WCACHE supported in IDENTIFY dataChristoph Hellwig
ATA does not only have the WCACHE enabled bit in identify word 85, but also a WCACHE supported bit in word 82. While the Linux kernel is fine with the latter at least hdparm also needs the former before correctly displaying the cache settings. There's also a non-zero chance other operating systems are more picky in their volatile write cache detection. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-10-20Fix pci hotplug to generate level triggered interrupt.Gleb Natapov
SCI is level triggered. pci hotplug should behave appropriately. Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-10-20Use defines instead of numbers for pci hotplug sts bitGleb Natapov
Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-10-20wacom tablet: activate event handlers.Gerd Hoffmann
Add qemu_activate_mouse_event_handler() calls to the usb wavom tablet so it actually receives events. Also make sure we only remove the handler if we registered it before. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-10-20vmmouse: adapt to mouse handler changes.Gerd Hoffmann
This patch updates the vmmouse handler registration and activation. Old behavior: vmmouse_read_id, vmmouse_request_relative and vmmouse_request_absolute unregister the handler and re-register it. New behavior: vmmouse_request_relative and vmmouse_request_absolute will unregister the handler in case the mode did change. Then register and active the handler with current mode if needed. Note that the old code never ever *activates* the handler, so the vmmouse doesn't receive events. This trips up Fedora 14 for example: Boot a default install without usb tablet, watch the X-Server activating the vmmouse then, enjoy a non-functional mouse. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-10-20[virtio-9p] Add support to v9fs_string_alloc_printf() for handling %lu.Venkateswararao Jujjuri (JV)
Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
2010-10-20[virtio-9p] Use preadv/pwritev instead of readv/writevSanchit Garg
readv & writev, read & write respectively from the current offset of the file & hence their use has to be preceeded by a call to lseek. preadv/writev can be used instead, as they take the offset as an argument. This saves one system call( lseek ). In case preadv is not supported, it is implemented by an lseek followed by a readv. Depending upon the configuration of QEMU, the appropriate read & write methods are selected. This patch also fixes the zero byte read/write bug & obviates the need to apply a fix for that bug separately. Signed-off-by: M. Mohan Kumar <mohan@in.ibm.com> Signed-off-by: Sanchit Garg <sancgarg@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
2010-10-20[virtio-9p] Qemu 9p commandline options validity checksHarsh Prateek Bora
Signed-off-by: Harsh Prateek Bora <harsh@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
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