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2011-08-08pcnet: convert to memory APIAvi Kivity
Also related chips. Reviewed-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-08ne2000: convert to memory APIAvi Kivity
Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-08ppc: convert to memory APIAvi Kivity
Reviewed-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-08lsi53c895a: convert to memory APIAvi Kivity
An optimization that fast-pathed DMA reads from the SCRIPTS memory was removed int the process. Likely it breaks with iommus anyway. Reviewed-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-08intel-hda: convert to memory APIAvi Kivity
Reviewed-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-08ahci: convert to memory APIAvi Kivity
Reviewed-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-08virtio-pci: convert to memory APIAvi Kivity
except msix. [jan: fix build] [aliguori: fix build] Reviewed-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-08ivshmem: convert to memory APIAvi Kivity
excluding msix. Reviewed-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-08ide: convert to memory APIAvi Kivity
Reviewed-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-08es1370: convert to memory APIAvi Kivity
Reviewed-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-08eepro100: convert to memory APIAvi Kivity
Note: the existing code aliases the flash BAR into the MMIO bar. This is probably a bug. This patch does not correct the problem. Reviewed-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-08e1000: convert to memory APIAvi Kivity
Reviewed-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-08ac97: convert to memory APIAvi Kivity
fixes BAR sizing as well. Reviewed-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-08rtl8139: convert to memory APIAvi Kivity
Reviewed-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-08pci: allow I/O BARs to be registered with pci_register_bar_region()Avi Kivity
Reviewed-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-08pci: pass I/O address space to new PCI busAvi Kivity
This lets us register BARs in the I/O address space. Reviewed-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-08cirrus: simplify linear framebuffer access functionsAvi Kivity
Make use of the memory API's ability to satisfy multi-byte accesses via multiple single-byte accesses. Reviewed-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-08vga: simplify vga window mmio access functionsAvi Kivity
Make use of the memory API's ability to satisfy multi-byte accesses via multiple single-byte accesses. We have to keep vga_mem_{read,write}b() since they're used by cirrus. Reviewed-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-08cirrus: simplify vga window mmio access functionsAvi Kivity
Make use of the memory API's ability to satisfy multi-byte accesses via multiple single-byte accesses. Reviewed-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-08cirrus: simplify bitblt BAR access functionsAvi Kivity
Make use of the memory API's ability to satisfy multi-byte accesses via multiple single-byte accesses. Reviewed-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-08cirrus: simplify mmio BAR access functionsAvi Kivity
Make use of the memory API's ability to satisfy multi-byte accesses via multiple single-byte accesses. Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-08vga: convert vga and its derivatives to the memory APIAvi Kivity
Convert all vga memory to the memory API. Note we need to fall back to get_system_memory(), since the various buses don't pass the vga window as a memory region. We no longer need to sync the dirty bitmap of the cirrus mapped memory banks, since the memory API takes care of that for us. [jan: fix vga-pci logging] Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-08vmsvga: don't remember pci BAR address in callback any moreAvi Kivity
We're going to remove the callback, so we can't use it to save the address. Use the pci API instead. Reviewed-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-08pci: add API to get a BAR's mapped addressAvi Kivity
Some (hacky) devices that have a back-channel to read this address back outside the normal configuration mechanisms, such as VMware svga. Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-05qdev: Eliminate duplicate resetIsaku Yamahata
qbus_reset_all_fn was registered twice, so a lot of device reset functions were also called twice when QEMU started. Which was introduced by 80376c3fc2c38fdd45354e4b0eb45031f35587ed This patch fixes it by making the main_system_bus creation not register reset handler. Cc: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Tested-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-05Check fread() results to avoid gcc 4.6 warningsDavid Gibson
When compiling with gcc 4.6, some code in fw_cfg.c complains that fop_ret is assigned but not used (which is true). However, it looks like the meaningless assignments to fop_ret were done to suppress other gcc warnings due to the fact that fread() is labelled as warn_unused_result in glibc. This patch avoids both errors, by actually checking the fread() result code and dropping out with an error message if it fails. Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Tested-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-04Merge remote-tracking branch 'mst/for_anthony' into stagingAnthony Liguori
2011-08-04Merge remote-tracking branch 'spice/spice.v40' into stagingAnthony Liguori
2011-08-04Merge remote-tracking branch 'kraxel/usb.22' into stagingAnthony Liguori
2011-08-04Merge remote-tracking branch 'kwolf/for-anthony' into stagingAnthony Liguori
2011-08-04virtio-balloon: Unregister savevm section on device unplugAmit Shah
Migrating after unplugging a virtio-balloon device resulted in an error message on the destination: Unknown savevm section or instance '0000:00:04.0/virtio-balloon' 0 load of migration failed Fix this by unregistering the section on device unplug. Signed-off-by: Amit Shah <amit.shah@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com>
2011-08-04virtio-balloon: Add exit handler, fix memleaksAmit Shah
Add an exit handler that will free up RAM after a virtio-balloon device is unplugged. Signed-off-by: Amit Shah <amit.shah@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com>
2011-08-04virtio-balloon: Check if balloon registration failedAmit Shah
Multiple balloon registrations are not allowed; check if the registration with the qemu balloon api succeeded. If not, fail the device init. Signed-off-by: Amit Shah <amit.shah@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com>
2011-08-04virtio-balloon: Fix header comment; add CopyrightAmit Shah
Signed-off-by: Amit Shah <amit.shah@redhat.com>
2011-08-04balloon: Separate out stat and balloon handlingAmit Shah
Passing on '0' as ballooning target to indicate retrieval of stats is bad API. It also makes 'balloon 0' in the monitor cause a segfault. Have two different functions handle the different functionality instead. Detailed explanation from Markus's review: 1. do_info_balloon() is an info_async() method. It receives a callback with argument, to be called exactly once (callback frees the argument). It passes the callback via qemu_balloon_status() and indirectly through qemu_balloon_event to virtio_balloon_to_target(). virtio_balloon_to_target() executes its balloon stats half. It stores the callback in the device state. If it can't send a stats request, it resets stats and calls the callback right away. Else, it sends a stats request. The device model runs the callback when it receives the answer. Works. 2. do_balloon() is a cmd_async() method. It receives a callback with argument, to be called when the command completes. do_balloon() calls it right before it succeeds. Odd, but should work. Nevertheless, it passes the callback on via qemu_ballon() and indirectly through qemu_balloon_event to virtio_balloon_to_target(). a. If the argument is non-zero, virtio_balloon_to_target() executes its balloon half, which doesn't use the callback in any way. Odd, but works. b. If the argument is zero, virtio_balloon_to_target() executes its balloon stats half, just like in 1. It either calls the callback right away, or arranges for it to be called later. Thus, the callback runs twice: use after free and double free. Test case: start with -S -device virtio-balloon, execute "balloon 0" in human monitor. Runs the callback first from virtio_balloon_to_target(), then again from do_balloon(). Reported-by: Mike Cao <bcao@redhat.com> Signed-off-by: Amit Shah <amit.shah@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com>
2011-08-04virtio-balloon: Separate status handling into separate functionAmit Shah
Separate out the code to retrieve balloon info from the code that sets balloon values. This will be used to separate the two callbacks from balloon.c and help cope with 'balloon 0' on the monitor. Currently, 'balloon 0' causes a segfault in monitor_resume(). Signed-off-by: Amit Shah <amit.shah@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com>
2011-08-04bluetooth: kill dummy usb device, use hid code directly.Gerd Hoffmann
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-08-04hid: move idle+protocol from usb-hid to hid too.Gerd Hoffmann
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-08-04usb-hid: split hid code to hw/hid.[ch]Gerd Hoffmann
Almost pure code motion. Unstatic hid interface functions and add them to the header file. Some renames. Some code style cleanups. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-08-04usb-hid: add hid_has_events()Gerd Hoffmann
Add hid_has_events function, use it to figure whenever there are pending events instead of checking and updating USBHIDState->changed. Setting ->changed to 1 on init is removed, that should have absolutely no effect as the initial state of ->idle is 0 so we report hid state anyway until the guest configures some idle time. Also should clear ->idle on reset. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-08-04usb-hid: add event callbackGerd Hoffmann
Add callback for event notification, which allows to un-usbify more functions. Also split separate hid_* functions for reset and release. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-08-04usb-hid: create & use HIDStateGerd Hoffmann
First step in separating out the HID emulation code from usb-hid, so it can be reused without creating a dummy usb device like bluetooth does. This creates a HIDState struct, moves the non-usbish fields from USBHIDStruct there. Renames non-usbish structs, defines and functions from usb* to hid*. Adapts the code to that. Also cleans up a bunch of code style issues along the way. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-08-04ehci: iovec support, remove bufferGerd Hoffmann
Map guest memory and pass on a direct pointer instead of copying the bits to a indirect buffer. EHCI transfer descriptors can reference multiple (physical guest) pages so we'll actually start seeing usb packets wich carry iovec with more than one element. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-08-04uhci: remove bufferGerd Hoffmann
Map guest memory and pass on a direct pointer instead of copying the bits to a indirect buffer. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-08-04usb-storage: iovec supportGerd Hoffmann
Add full iovec support to usb-storage. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-08-04usb-serial: iovec supportGerd Hoffmann
Add full support for iovecs to usb-serial. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-08-04usb: use iovecs in USBPacketGerd Hoffmann
Zap data pointer from USBPacket, add a QEMUIOVector instead. Add a bunch of helper functions to manage USBPacket data. Switch over users to the new interface. Note that USBPacket->len was used for two purposes: First to pass in the buffer size and second to return the number of transfered bytes or the status code on async transfers. There is a new result variable for the latter. A new status code was added to catch uninitialized result. Nobody creates iovecs with more than one element (yet). Some users are (temporarely) limited to iovecs with a single element to keep the patch size as small as possible. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-08-04lm32: softusb: claim to support full speedMichael Walle
The QEMU keyboard and mouse reports themselves as full speed devices, though they are actually low speed devices. Until this is fixed, claim that we are supporting full speed devices. Acked-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Michael Walle <michael@walle.cc> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2011-08-03vhost: remove an incorrect assertMichael S. Tsirkin
The 'to' can go negative when the first region gets removed (it gets incremented by to 0 immediately afterward), which makes the assertion fail. Nothing breaks if to < 0 here so just remove the assert. Tested-by: David Ahern <daahern@cisco.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2011-08-03qxl: bump pci revGerd Hoffmann
Inform guest drivers about the new features I/O commands we have now (async commands, S3 support) if building with newer spice, i.e. if SPICE_INTERFACE_QXL_MINOR >= 1. sneaked in some 81+ column line spliting. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Alon Levy <alevy@redhat.com>
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