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2015-01-13libqos: Convert malloc-pc allocator to a generic allocatorMarc Marí
The allocator in malloc-pc has been extracted, so it can be used in every arch. This operation showed that both the alloc and free functions can be also generic. Because of this, the QGuestAllocator has been removed from is function to wrap the alloc and free function, and now just contains the allocator parameters. As a result, only the allocator initalizer and unitializer are arch dependent. Signed-off-by: Marc Marí <marc.mari.barcelo@gmail.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-10-15tests: usb: Generic usb device hotplugIgor Mammedov
use usb-tablet as a hotplugged usb device. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-10-15tests: usb: Move uhci port test code to libqos/usb.cIgor Mammedov
Move code necessary for testing uhci port into library so it could be used by other USB tests. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-10-15libqos: Add qpci_plug_device_test() and qpci_unplug_acpi_device_test()Igor Mammedov
Functions will be used for testing hot(un)plug of PCI devices. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-09-29libqos: use microseconds instead of iterations for virtio timeoutStefan Hajnoczi
Some hosts are slow or overloaded so test execution takes a long time. Test cases use timeouts to protect against an infinite loop stalling the test forever (especially important in automated test setups). Commit 6cd14054b67774cc58a51fca6660cfa1d3c08059 ("libqos virtio: Increase ISR timeout") increased the clock_step() value in an attempt to lengthen the virtio interrupt wait timeout, but timeout failures are still occuring on the Travis automated testing platform. This is because clock_step() only affects the guest's virtual time. Virtio requests can be bottlenecked on host disk I/O latency - which cannot be improved by stepping the clock, so the fix was ineffective. This patch changes the qvirtio_wait_queue_isr() and qvirtio_wait_config_isr() timeout mechanism from loop iterations to microseconds. This way the test case can specify an absolute 30 second timeout. Number of loop iterations is not a reliable timeout mechanism since the speed depends on many factors including host performance. Tests should no longer timeout on overloaded Travis instances. Cc: Marc Marí <marc.mari.barcelo@gmail.com> Reported-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-29libqos: improve event_index test with timeoutStefan Hajnoczi
The virtio event_index feature lets the device driver tell the device how many requests to process before raising the next interrupt. virtio-blk-test.c tries to verify that the device does not raise an interrupt unnecessarily. Unfortunately the test has a race condition. It spins checking for an interrupt up to 100 times and then assumes the request has finished. On a slow host the I/O request could still be in flight and the test would fail. This patch waits for the request to complete, or until a 30-second timeout is reached. If an interrupt is raised while waiting the test fails since the device was not supposed to raise interrupts. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-22ahci: add test_pci_enable to ahci-test.John Snow
This adds a test wherein we engage the PCI AHCI device and ensure that the memory region for the HBA functionality is now accessible. Under Q35 environments, additional PCI configuration is performed to ensure that the HBA functionality will become usable. Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 1408643079-30675-5-git-send-email-jsnow@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-09-12libqos virtio: Increase ISR timeoutMarc Marí
Increase the clock step to avoid Travis failure in some builds due to overagressive timeout. Signed-off-by: Marc Marí <marc.mari.barcelo@gmail.com> Message-id: 1410428416-5046-1-git-send-email-marc.mari.barcelo@gmail.com Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-08libqos: add a simple first-fit memory allocatorJohn Snow
Implement a simple first-fit memory allocator that attempts to keep track of leased blocks of memory in order to be able to re-use blocks. Additionally, allow the user to specify when initializing the device that upon cleanup, we would like to assert that there are no blocks in use. This may be useful for identifying problems in qtests that use more complicated set-up and tear-down routines. This functionality is used in my upcoming ahci-test v2 patch set, but I didn't see fit to enable it for any existing tests, which will continue to operate the same as they have prior. Signed-off-by: John Snow <jsnow@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-09-08libqos: Added EVENT_IDX supportMarc Marí
Added avail_event and NO_NOTIFY check before notifying. Added used_event setting. Signed-off-by: Marc Marí <marc.mari.barcelo@gmail.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-09-08libqos: Added MSI-X supportMarc Marí
Added MSI-X support for qtest PCI. Added MSI-X support for virtio-pci. Added MSI-X test case in virtio-blk-test. Signed-off-by: Marc Marí <marc.mari.barcelo@gmail.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-09-08libqos: Added indirect descriptor support to virtio implementationMarc Marí
Add functions necessary for working with indirect descriptors. Add test using new functions. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Marc Marí <marc.mari.barcelo@gmail.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-09-08libqos: Added basic virtqueue support to virtio implementationMarc Marí
Add status changing and feature negotiation. Add basic virtqueue support for adding and sending virtqueue requests. Add ISR checking. [Squashed request endianness fix by Greg Kurz <gkurz@linux.vnet.ibm.com> --Stefan] Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Marc Marí <marc.mari.barcelo@gmail.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-09-08tests: Add virtio device initializationMarc Marí
Add functions to read and write virtio header fields. Add status bit setting in virtio-blk-device. Signed-off-by: Marc Marí <marc.mari.barcelo@gmail.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-09-08tests: Functions bus_foreach and device_find from libqos virtio APIMarc Marí
Virtio header has been changed to compile and work with a real device. Functions bus_foreach and device_find have been implemented for PCI. Virtio-blk test case now opens a fake device. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Marc Marí <marc.mari.barcelo@gmail.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-15libqos: Change free function called in mallocMarc Marí
Reviewed-by: John Snow <jsnow@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Marc Marí <marc.mari.barcelo@gmail.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-15libqos: Correct mask to align size to PAGE_SIZE in malloc-pcMarc Marí
Reviewed-by: John Snow <jsnow@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Marc Marí <marc.mari.barcelo@gmail.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-15libqos: allow qpci_iomap to return BAR mapping sizeJohn Snow
This patch allows qpci_iomap to return the size of the BAR mapping that it created, to allow driver applications (e.g, ahci-test) to make determinations about the suitability or the mapping size, or in the specific case of AHCI, how many ports are supported by the HBA. Signed-off-by: John Snow <jsnow@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-15libqos: Fixes a small memory leak.John Snow
Allow users the chance to clean up the QPCIBusPC structure by adding a small cleanup routine. Helps clear up small memory leaks during setup/teardown, to allow for cleaner debug output messages. Signed-off-by: John Snow <jsnow@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-15libqos: Correct memory leakJohn Snow
Fix a small memory leak inside of libqos, in the pc_alloc_init routine. Signed-off-by: John Snow <jsnow@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-07-15libqos: Fix PC PCI endianness glitchesAndreas Färber
The libqos implementation of io_read{b,w,l} and io_write{b,w,l} hooks was relying on qtest_mem{read,write}() respectively. With d81d410 (usb: improve ehci/uhci test) this resulted in assertion failures on ppc hosts: ERROR:tests/usb-hcd-ehci-test.c:78:ehci_port_test: assertion failed: ((value & mask) == (expect & mask)) ERROR:tests/usb-hcd-ehci-test.c:128:pci_uhci_port_2: assertion failed: (pcibus != NULL) ERROR:tests/usb-hcd-ehci-test.c:150:pci_ehci_port_2: assertion failed: (pcibus != NULL) qtest_read{b,w,l,q}() and qtest_write{b,w,l,q}() had been introduced as endian-safe replacement for qtest_mem{read,write}() in I2C in 872536b (qtest: Add MMIO support). Use them for PCI as well. Cc: Anthony Liguori <aliguori@amazon.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Fixes: c4efe1c qtest: add libqos including PCI support Fixes: d81d410 usb: improve ehci/uhci test Signed-off-by: Andreas Färber <afaerber@suse.de> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-06-02qtest: fix qpci_config_writelGerd Hoffmann
Found by Paolo. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-03-27tests/libqos/pci-pc: Avoid shifting left into sign bitPeter Maydell
Add U suffix when doing "1 << 31" to avoid undefined behaviour. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-07-18libqos: Generalize I/O-mapped fw_cfgMarkus Armbruster
Provide a constructor that takes the base address in addition to the PC-specific one. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-id: 1372254743-15808-12-git-send-email-armbru@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-18libqos: Add support for memory-mapped fw_cfgMarkus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-id: 1372254743-15808-5-git-send-email-armbru@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-05-08libqos/pci: Enable bus masteringKevin Wolf
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-05-03libqos: Relocate I2C filesAndreas Färber
Commit c4efe1cada311b9dc0df5beb71c4227ff3414aa1 (qtest: add libqos including PCI support) created a libqos/ subdirectory but left the existing I2C libqos files libi2c*.[hc] in tests/. Clean this up. Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Andreas Färber <afaerber@suse.de> Message-id: 1367502986-15104-1-git-send-email-afaerber@suse.de Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-29libqos: Convert fw_cfg values to host endiannessAndreas Färber
The fw_cfg ABI is Little Endian, so byte-swap the generically read byte array to host endianness. This unbreaks the fw_cfg tests on ppc. Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Andreas Färber <afaerber@suse.de> Message-id: 1367167547-19931-1-git-send-email-afaerber@suse.de Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-17libqos: add malloc supportAnthony Liguori
This is a very simple allocator for the PC platform. It should be possible to add backends for other platforms. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Message-id: 1366123521-4330-5-git-send-email-aliguori@us.ibm.com
2013-04-17libqos: add fw_cfg supportAnthony Liguori
fw_cfg is needed to get the top of memory which is necessary for doing PCI allocation and allocating RAM for DMA. Add a PC version of fw_cfg and enough abstraction to support other platforms. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Message-id: 1366123521-4330-4-git-send-email-aliguori@us.ibm.com
2013-04-17qtest: add libqos including PCI supportAnthony Liguori
This includes basic PCI support for the PC platform. Enough abstraction should be present to support non-PC platforms too. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Message-id: 1366123521-4330-3-git-send-email-aliguori@us.ibm.com
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