- 14 1月, 2019 14 次提交
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由 Paul Durrant 提交于
Not all of the code duplicated from xen_disk.c is required as the basis for the new dataplane implementation so this patch removes extraneous code, along with the legacy #includes and calls to the legacy xen_pv_printf() function. Error messages are changed to be reported using error_report(). NOTE: The code is still not yet built. Further transformations will be required to make it correctly interface to the new XenBus/XenDevice framework. They will be delivered in a subsequent patch. Signed-off-by: NPaul Durrant <paul.durrant@citrix.com> Acked-by: NAnthony Perard <anthony.perard@citrix.com> Signed-off-by: NAnthony PERARD <anthony.perard@citrix.com>
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由 Paul Durrant 提交于
The new xen-block XenDevice implementation requires the same core dataplane as the legacy xen_disk implementation it will eventually replace. This patch therefore copies the legacy xen_disk.c source module into a new dataplane/xen-block.c source module as the basis for the new dataplane and adjusts the MAINTAINERS file accordingly. NOTE: The duplicated code is not yet built. It is simply put into place by this patch (just fixing style violations) such that the modifications that will need to be made to the code are not conflated with code movement, thus making review harder. Signed-off-by: NPaul Durrant <paul.durrant@citrix.com> Acked-by: NAnthony Perard <anthony.perard@citrix.com> Signed-off-by: NAnthony PERARD <anthony.perard@citrix.com>
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由 Paul Durrant 提交于
The legacy PV backend infrastructure provides functions to bind, unbind and send notifications to event channnels. Similar functionality will be required by XenDevice implementations so this patch adds the necessary support. Signed-off-by: NPaul Durrant <paul.durrant@citrix.com> Reviewed-by: NAnthony Perard <anthony.perard@citrix.com> Signed-off-by: NAnthony PERARD <anthony.perard@citrix.com> Patch squashed with: Patch "xen: add event channel interface for XenDevice-s" makes use of the type xenevtchn_port_or_error_t, but this isn't avaiable before Xen 4.7. Also the function xen_device_bind_event_channel assign the return value of xenevtchn_bind_interdomain to channel->local_port but check the result for error with xendev->local_port. Fix by: - removing local_port from struct XenDevice as it isn't use anywere. - adding a compatibility typedef for xenevtchn_port_or_error_t for Xen 4.6 and earlier. As extra, replace the type of XenEventChannel->local_port by evtchn_port_t. Signed-off-by: NAnthony PERARD <anthony.perard@citrix.com> Reviewed-by: NPaul Durrant <paul.durrant@citrix.com>
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由 Paul Durrant 提交于
The legacy PV backend infrastructure provides functions to map, unmap and copy pages granted by frontends. Similar functionality will be required by XenDevice implementations so this patch adds the necessary support. Signed-off-by: NPaul Durrant <paul.durrant@citrix.com> Reviewed-by: NAnthony Perard <anthony.perard@citrix.com> Signed-off-by: NAnthony PERARD <anthony.perard@citrix.com>
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由 Paul Durrant 提交于
A Xen PV frontend communicates its state to the PV backend by writing to the 'state' key in the frontend area in xenstore. It is therefore necessary for a XenDevice implementation to be notified whenever the value of this key changes. This patch adds code to do this as follows: - an 'fd handler' is registered on the libxenstore handle which will be triggered whenever a 'watch' event occurs - primitives are added to xen-bus-helper to add or remove watch events - a list of Notifier objects is added to XenBus to provide a mechanism to call the appropriate 'watch handler' when its associated event occurs The xen-block implementation is extended with a 'frontend_changed' method, which calls as-yet stub 'connect' and 'disconnect' functions when the relevant frontend state transitions occur. A subsequent patch will supply a full implementation for these functions. Signed-off-by: NPaul Durrant <paul.durrant@citrix.com> Reviewed-by: NAnthony Perard <anthony.perard@citrix.com> Signed-off-by: NAnthony PERARD <anthony.perard@citrix.com>
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由 Paul Durrant 提交于
This patch adds a new source module, xen-bus-helper.c, which builds on basic libxenstore primitives to provide functions to create (setting permissions appropriately) and destroy xenstore areas, and functions to 'printf' and 'scanf' nodes therein. The main xen-bus code then uses these primitives [1] to initialize and destroy the frontend and backend areas for a XenDevice during realize and unrealize respectively. The 'xen-block' implementation is extended with a 'get_name' method that returns the VBD number. This number is required to 'name' the xenstore areas. NOTE: An exit handler is also added to make sure the xenstore areas are cleaned up if QEMU terminates without devices being unrealized. [1] The 'scanf' functions are actually not yet needed, but they will be needed by code delivered in subsequent patches. Signed-off-by: NPaul Durrant <paul.durrant@citrix.com> Reviewed-by: NAnthony Perard <anthony.perard@citrix.com> Signed-off-by: NAnthony PERARD <anthony.perard@citrix.com>
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由 Paul Durrant 提交于
This patch adds new XenDevice-s: 'xen-disk' and 'xen-cdrom', both derived from a common 'xen-block' parent type. These will eventually replace the 'xen_disk' (note the underscore rather than hyphen) legacy PV backend but it is illustrative to build up the implementation incrementally, along with the XenBus/XenDevice framework. Subsequent patches will therefore add to these devices' implementation as new features are added to the framework. After this patch has been applied it is possible to instantiate new 'xen-disk' or 'xen-cdrom' devices with a single 'vdev' parameter, which accepts values adhering to the Xen VBD naming scheme [1]. For example, a command-line instantiation of a xen-disk can be done with an argument similar to the following: -device xen-disk,vdev=hda The implementation of the vdev parameter formulates the appropriate VBD number for use in the PV protocol. [1] https://xenbits.xen.org/docs/unstable/man/xen-vbd-interface.7.htmlSigned-off-by: NPaul Durrant <paul.durrant@citrix.com> Reviewed-by: NAnthony Perard <anthony.perard@citrix.com> Signed-off-by: NAnthony PERARD <anthony.perard@citrix.com>
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由 Paul Durrant 提交于
This patch adds the basic boilerplate for a 'XenBus' object that will act as a parent to 'XenDevice' PV backends. A new 'XenBridge' object is also added to connect XenBus to the system bus. The XenBus object is instantiated by a new xen_bus_init() function called from the same sites as the legacy xen_be_init() function. Subsequent patches will flesh-out the functionality of these objects. Signed-off-by: NPaul Durrant <paul.durrant@citrix.com> Reviewed-by: NAnthony Perard <anthony.perard@citrix.com> Signed-off-by: NAnthony PERARD <anthony.perard@citrix.com>
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由 Paul Durrant 提交于
...and xen_backend.h to xen-legacy-backend.h Rather than attempting to convert the existing backend infrastructure to be QOM compliant (which would be hard to do in an incremental fashion), subsequent patches will introduce a completely new framework for Xen PV backends. Hence it is necessary to re-name parts of existing code to avoid name clashes. The re-named 'legacy' infrastructure will be removed once all backends have been ported to the new framework. This patch is purely cosmetic. No functional change. Signed-off-by: NPaul Durrant <paul.durrant@citrix.com> Acked-by: NAnthony Perard <anthony.perard@citrix.com> Signed-off-by: NAnthony PERARD <anthony.perard@citrix.com>
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由 Zhao Yan 提交于
For some pci device, even its PCI_INTERRUPT_PIN is not 0, it actually doesn't support INTx mode, so its machine irq read from host sysfs is 0. In that case, report PCI_INTERRUPT_PIN as 0 to guest and let passthrough continue. Reviewed-by: NRoger Pau Monné <roger.pau@citrix.com> Signed-off-by: NZhao Yan <yan.y.zhao@intel.com> Acked-by: NAnthony PERARD <anthony.perard@citrix.com> Signed-off-by: NAnthony PERARD <anthony.perard@citrix.com>
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由 Peter Maydell 提交于
Coverity (CID 796599) points out that xen_pt_setup_vga() trusts the rom->size field in the BIOS ROM from a PCI passthrough VGA device, and uses it as an index into the memory which contains the BIOS image. A corrupt BIOS ROM could therefore cause us to index off the end of the buffer. Check that the size is within bounds before we use it. We are also trusting the pcioffset field, and assuming that the whole rom_header is present; Coverity doesn't notice these, but check them too. Signed-off-by: NPeter Maydell <peter.maydell@linaro.org> Acked-by: NAnthony PERARD <anthony.perard@citrix.com> Signed-off-by: NAnthony PERARD <anthony.perard@citrix.com>
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由 Peter Maydell 提交于
RISC-V Updates for 3.2, Part 2 This patch set contains a handful of Michael's CSR-related cleanups, which should allow us to proceed with more outstanding bug fixes that depend on them. Additionally, there is a patch that turns on USB. This works for me when the kernel has the appropriate drivers (which will soon be in defconfig) and I pass -device usb-ehci -drive id=my_usb_disk,file=usbdisk.img,if=none,format=raw -device usb-storage,drive=my_usb_disk to QEMU. # gpg: Signature made Fri 11 Jan 2019 18:05:02 GMT # gpg: using RSA key EF4CA1502CCBAB41 # gpg: Good signature from "Palmer Dabbelt <palmer@dabbelt.com>" # gpg: aka "Palmer Dabbelt <palmer@sifive.com>" # gpg: WARNING: This key is not certified with a trusted signature! # gpg: There is no indication that the signature belongs to the owner. # Primary key fingerprint: 00CE 76D1 8349 60DF CE88 6DF8 EF4C A150 2CCB AB41 * remotes/palmer/tags/riscv-for-master-3.2-part2: default-configs: Enable USB support for RISC-V machines RISC-V: Implement existential predicates for CSRs RISC-V: Implement atomic mip/sip CSR updates RISC-V: Implement modular CSR helper interface Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
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由 Peter Maydell 提交于
input: avoid malloc for mouse events # gpg: Signature made Fri 11 Jan 2019 14:26:44 GMT # gpg: using RSA key 4CB6D8EED3E87138 # gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" # gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" # gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" # Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138 * remotes/kraxel/tags/input-20190111-pull-request: input: avoid malloc for mouse events Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
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由 Peter Maydell 提交于
Work around test-qht-par + gprof issues Travis CI jobs are failing because of test-qht-par when gprof is enabled. Temporarily disable test-qht-par if gprof is enabled, until we fix the bug. # gpg: Signature made Fri 11 Jan 2019 18:23:29 GMT # gpg: using RSA key 2807936F984DC5A6 # gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>" # Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF D1AA 2807 936F 984D C5A6 * remotes/ehabkost/tags/machine-next-pull-request: tests: Disable qht-bench parallel test when using gprof configure: Let the TARGET_GPROF var use the regular 'y' for Yes Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
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- 12 1月, 2019 4 次提交
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由 Peter Maydell 提交于
vga: enable virtio test, fix ddc oob read # gpg: Signature made Fri 11 Jan 2019 13:58:12 GMT # gpg: using RSA key 4CB6D8EED3E87138 # gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" # gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" # gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" # Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138 * remotes/kraxel/tags/vga-20190111-pull-request: i2c-ddc: fix oob read tests/display-vga: Enable virtio-vga test Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
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由 Philippe Mathieu-Daudé 提交于
This test is failing on the Travis CI [*] since some time now, disable it until it get fixed. [*] https://travis-ci.org/qemu/qemu/builds/474821674Signed-off-by: NPhilippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20190103150951.17592-3-philmd@redhat.com> Signed-off-by: NEduardo Habkost <ehabkost@redhat.com>
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由 Philippe Mathieu-Daudé 提交于
All other variables are set using 'y', which is what the rules.mak functions expect to parse. Signed-off-by: NPhilippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20190103150951.17592-2-philmd@redhat.com> Signed-off-by: NEduardo Habkost <ehabkost@redhat.com>
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由 Peter Maydell 提交于
misc: fix seabios cross build. # gpg: Signature made Fri 11 Jan 2019 11:46:47 GMT # gpg: using RSA key 4CB6D8EED3E87138 # gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" # gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" # gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" # Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138 * remotes/kraxel/tags/misc-20190111-pull-request: roms: seabios: Rename CROSS_COMPILE to CROSS_PREFIX Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
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- 11 1月, 2019 22 次提交
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由 Peter Maydell 提交于
* HAX support for Linux hosts (Alejandro) * esp bugfixes (Guenter) * Windows build cleanup (Marc-André) * checkpatch logic improvements (Paolo) * coalesced range bugfix (Paolo) * switch testsuite to TAP (Paolo) * QTAILQ rewrite (Paolo) * block/iscsi.c cancellation fixes (Stefan) * improve selection of the default accelerator (Thomas) # gpg: Signature made Fri 11 Jan 2019 14:47:40 GMT # gpg: using RSA key BFFBD25F78C7AE83 # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" # Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1 # Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83 * remotes/bonzini/tags/for-upstream: (34 commits) avoid TABs in files that only contain a few remove space-tab sequences scripts: add script to convert multiline comments into 4-line format hw/watchdog/wdt_i6300esb: remove a unnecessary comment checkpatch: warn about qemu/queue.h head structs that are not typedef-ed qemu/queue.h: simplify reverse access to QTAILQ qemu/queue.h: reimplement QTAILQ without pointer-to-pointers qemu/queue.h: remove Q_TAILQ_{HEAD,ENTRY} qemu/queue.h: typedef QTAILQ heads qemu/queue.h: leave head structs anonymous unless necessary vfio: make vfio_address_spaces static qemu/queue.h: do not access tqe_prev directly test: replace gtester with a TAP driver test: execute g_test_run when tests are skipped qga: drop < Vista compatibility build-sys: build with Vista API by default build-sys: move windows defines in osdep.h header build-sys: don't include windows.h, osdep.h does it scsi: esp: Defer command completion until previous interrupts have been handled esp-pci: Fix status register write erase control ... Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
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由 Paolo Bonzini 提交于
Most files that have TABs only contain a handful of them. Change them to spaces so that we don't confuse people. disas, standard-headers, linux-headers and libdecnumber are imported from other projects and probably should be exempted from the check. Outside those, after this patch the following files still contain both 8-space and TAB sequences at the beginning of the line. Many of them have a majority of TABs, or were initially committed with all tabs. bsd-user/i386/target_syscall.h bsd-user/x86_64/target_syscall.h crypto/aes.c hw/audio/fmopl.c hw/audio/fmopl.h hw/block/tc58128.c hw/display/cirrus_vga.c hw/display/xenfb.c hw/dma/etraxfs_dma.c hw/intc/sh_intc.c hw/misc/mst_fpga.c hw/net/pcnet.c hw/sh4/sh7750.c hw/timer/m48t59.c hw/timer/sh_timer.c include/crypto/aes.h include/disas/bfd.h include/hw/sh4/sh.h libdecnumber/decNumber.c linux-headers/asm-generic/unistd.h linux-headers/linux/kvm.h linux-user/alpha/target_syscall.h linux-user/arm/nwfpe/double_cpdo.c linux-user/arm/nwfpe/fpa11_cpdt.c linux-user/arm/nwfpe/fpa11_cprt.c linux-user/arm/nwfpe/fpa11.h linux-user/flat.h linux-user/flatload.c linux-user/i386/target_syscall.h linux-user/ppc/target_syscall.h linux-user/sparc/target_syscall.h linux-user/syscall.c linux-user/syscall_defs.h linux-user/x86_64/target_syscall.h slirp/cksum.c slirp/if.c slirp/ip.h slirp/ip_icmp.c slirp/ip_icmp.h slirp/ip_input.c slirp/ip_output.c slirp/mbuf.c slirp/misc.c slirp/sbuf.c slirp/socket.c slirp/socket.h slirp/tcp_input.c slirp/tcpip.h slirp/tcp_output.c slirp/tcp_subr.c slirp/tcp_timer.c slirp/tftp.c slirp/udp.c slirp/udp.h target/cris/cpu.h target/cris/mmu.c target/cris/op_helper.c target/sh4/helper.c target/sh4/op_helper.c target/sh4/translate.c tcg/sparc/tcg-target.inc.c tests/tcg/cris/check_addo.c tests/tcg/cris/check_moveq.c tests/tcg/cris/check_swap.c tests/tcg/multiarch/test-mmap.c ui/vnc-enc-hextile-template.h ui/vnc-enc-zywrle.h util/envlist.c util/readline.c The following have only TABs: bsd-user/i386/target_signal.h bsd-user/sparc64/target_signal.h bsd-user/sparc64/target_syscall.h bsd-user/sparc/target_signal.h bsd-user/sparc/target_syscall.h bsd-user/x86_64/target_signal.h crypto/desrfb.c hw/audio/intel-hda-defs.h hw/core/uboot_image.h hw/sh4/sh7750_regnames.c hw/sh4/sh7750_regs.h include/hw/cris/etraxfs_dma.h linux-user/alpha/termbits.h linux-user/arm/nwfpe/fpopcode.h linux-user/arm/nwfpe/fpsr.h linux-user/arm/syscall_nr.h linux-user/arm/target_signal.h linux-user/cris/target_signal.h linux-user/i386/target_signal.h linux-user/linux_loop.h linux-user/m68k/target_signal.h linux-user/microblaze/target_signal.h linux-user/mips64/target_signal.h linux-user/mips/target_signal.h linux-user/mips/target_syscall.h linux-user/mips/termbits.h linux-user/ppc/target_signal.h linux-user/sh4/target_signal.h linux-user/sh4/termbits.h linux-user/sparc64/target_syscall.h linux-user/sparc/target_signal.h linux-user/x86_64/target_signal.h linux-user/x86_64/termbits.h pc-bios/optionrom/optionrom.h slirp/mbuf.h slirp/misc.h slirp/sbuf.h slirp/tcp.h slirp/tcp_timer.h slirp/tcp_var.h target/i386/svm.h target/sparc/asi.h target/xtensa/core-dc232b/xtensa-modules.inc.c target/xtensa/core-dc233c/xtensa-modules.inc.c target/xtensa/core-de212/core-isa.h target/xtensa/core-de212/xtensa-modules.inc.c target/xtensa/core-fsf/xtensa-modules.inc.c target/xtensa/core-sample_controller/core-isa.h target/xtensa/core-sample_controller/xtensa-modules.inc.c target/xtensa/core-test_kc705_be/core-isa.h target/xtensa/core-test_kc705_be/xtensa-modules.inc.c tests/tcg/cris/check_abs.c tests/tcg/cris/check_addc.c tests/tcg/cris/check_addcm.c tests/tcg/cris/check_addoq.c tests/tcg/cris/check_bound.c tests/tcg/cris/check_ftag.c tests/tcg/cris/check_int64.c tests/tcg/cris/check_lz.c tests/tcg/cris/check_openpf5.c tests/tcg/cris/check_sigalrm.c tests/tcg/cris/crisutils.h tests/tcg/cris/sys.c tests/tcg/i386/test-i386-ssse3.c ui/vgafont.h Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com> Message-Id: <20181213223737.11793-3-pbonzini@redhat.com> Reviewed-by: NAleksandar Markovic <amarkovic@wavecomp.com> Reviewed-by: NStefan Hajnoczi <stefanha@redhat.com> Reviewed-by: NWainer dos Santos Moschetta <wainersm@redhat.com> Acked-by: NRichard Henderson <richard.henderson@linaro.org> Acked-by: NEric Blake <eblake@redhat.com> Acked-by: NDavid Gibson <david@gibson.dropbear.id.au> Reviewed-by: NStefan Markovic <smarkovic@wavecomp.com> Reviewed-by: NMichael S. Tsirkin <mst@redhat.com> Reviewed-by: NAlex Bennée <alex.bennee@linaro.org> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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由 Paolo Bonzini 提交于
There are not many, and they are all simple mistakes that ended up being committed. Remove them. Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com> Message-Id: <20181213223737.11793-2-pbonzini@redhat.com> Reviewed-by: NWainer dos Santos Moschetta <wainersm@redhat.com> Acked-by: NRichard Henderson <richard.henderson@linaro.org> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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由 Paolo Bonzini 提交于
Since we're adding checkpatch rules to enforce 4-line multiline comment format, i.e. with lone /* and */, this script can be run on existing code so that the comment style does not become inconsistent within a file. The alternative to awk-in-a-shell-script could be Perl, which also supports -i directly, but a2p seems to have bitrotten and I didn't quite feel like writing this twice... Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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由 Peng Hao 提交于
The registered memory region of i6300esb is not suitable for coalesced mmio, because a write for the region may trigger an immediate action and can't be delayed. Signed-off-by: NPeng Hao <peng.hao2@zte.com.cn> Message-Id: <1544253511-82742-1-git-send-email-peng.hao2@zte.com.cn> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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由 Paolo Bonzini 提交于
These are just like any other struct or union, so they should have CamelCase typedefs. Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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由 Paolo Bonzini 提交于
The new definition of QTAILQ does not require passing the headname, remove it. Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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由 Paolo Bonzini 提交于
QTAILQ is a doubly linked list, with a pointer-to-pointer to the last element from the head, and the previous element from each node. But if you squint enough, QTAILQ becomes a combination of a singly-linked forwards list, and another singly-linked list which goes backwards and is circular. This is the idea that lets QTAILQ implement reverse iteration: only, because the backwards list points inside the node, accessing the previous element needs to go two steps back and one forwards. What this patch does is implement it in these terms, without actually changing the in-memory layout at all. The coexistence of the two lists is realized by making QTAILQ_HEAD and QTAILQ_ENTRY unions of the forwards pointer and a generic QTailQLink node. Thq QTailQLink can walk the list in both directions; the union is needed so that the forwards pointer can have the correct type, as a sort of poor man's template. While there are other ways to get the same layout without a union, this one has the advantage of simpler operation in the debugger, because the fields tqh_first and tqe_next still exist as before the patch. Those fields are also used by scripts/qemugdb/mtree.py, so it's a good idea to preserve them. The advantage of the new representation is that the two-back-one-forward dance done by backwards accesses can be done all while operating on QTailQLinks. No casting to the head struct is needed anymore because, even though the QTailQLink's forward pointer is a void *, we can use typeof to recover the correct type. This patch only changes the implementation, not the interface. The next patch will remove the head struct name from the backwards visit macros. Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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由 Paolo Bonzini 提交于
These are not present for other kinds of queue, and unused. Zap them before more changes are made to the QTAILQ implementation. Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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由 Paolo Bonzini 提交于
This will be needed when we change the QTAILQ head and elem structs to unions. However, it is also consistent with the usage elsewhere in QEMU for other list head structs (see for example FsMountList). Note that most QTAILQs only need their name in order to do backwards walks. Those do not break with the struct->union change, and anyway the change will also remove the need to name heads when doing backwards walks, so those are not touched here. Reviewed-by: NPhilippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: NMarkus Armbruster <armbru@redhat.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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由 Paolo Bonzini 提交于
Most list head structs need not be given a name. In most cases the name is given just in case one is going to use QTAILQ_LAST, QTAILQ_PREV or reverse iteration, but this does not apply to lists of other kinds, and even for QTAILQ in practice this is only rarely needed. In addition, we will soon reimplement those macros completely so that they do not need a name for the head struct. So clean up everything, not giving a name except in the rare case where it is necessary. Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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由 Paolo Bonzini 提交于
It is not used outside hw/vfio/common.c, so it does not need to be extern. Acked-by: NAlex Williamson <alex.williamson@redhat.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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由 Paolo Bonzini 提交于
Use the QTAILQ_IN_USE macro instead, it does the same thing but the next patch will change it to a different definition. Reviewed-by: NPhilippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: NMarkus Armbruster <armbru@redhat.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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由 Paolo Bonzini 提交于
gtester is deprecated by upstream glib (see for example the announcement at https://blog.gtk.org/2018/07/11/news-from-glib-2-58/) and it does not support tests that call g_test_skip in some glib stable releases. glib suggests instead using Automake's TAP support, which gtest itself supports since version 2.38 (QEMU's minimum requirement is 2.40). We do not support Automake, but we can use Automake's code to beautify the TAP output. I chose to use the Perl copy rather than the shell/awk one, with some changes so that it can accept TAP through stdin, in order to reuse Perl's TAP parsing package. This also avoids duplicating the parser between tap-driver.pl and tap-merge.pl. Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com> Message-Id: <1543513531-1151-3-git-send-email-pbonzini@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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由 Peter Maydell 提交于
Machine queue, 2019-01-10 * Simplify GlobalProperty array declarations (Eduardo Habkost) * Deprecate cpu-add commands (Kashyap Chamarthy) * range/memory-device cleanups (David Hildenbrand) * Fix -device scsi-hd,help regression (Marc-André Lureau) * Fix crash when -global generates multiple warnings (Eduardo Habkost) # gpg: Signature made Thu 10 Jan 2019 14:28:23 GMT # gpg: using RSA key 2807936F984DC5A6 # gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>" # Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF D1AA 2807 936F 984D C5A6 * remotes/ehabkost/tags/machine-next-pull-request: qom: Don't keep error value between object_property_parse() calls qdev: fix -device scsi-hd,help regression machine: Use shorter format for GlobalProperty arrays machine: Eliminate unnecessary stringify() usage spapr: Eliminate SPAPR_PCI_2_7_MMIO_WIN_SIZE macro memory-device: rewrite address assignment using ranges range: add some more functions Mention that QMP 'cpu-add' will be deprecated Update that HMP 'cpu-add' is deprecated in 4.0 qemu-deprecated.texi: Rename the HMP section Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
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由 Paolo Bonzini 提交于
Sometimes a test's main() function recognizes that the environment does not support the test, and therefore exits. In this case, we still should run g_test_run() so that a TAP harness will print the test plan ("1..0") and the test will be marked as skipped. Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com> Message-Id: <1543513531-1151-2-git-send-email-pbonzini@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Reviewed-by: NThomas Huth <thuth@redhat.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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由 Marc-André Lureau 提交于
Building QGA for XP seems possible so far: the dependency on libqemuutil.a implies building qemu-thread-win32.c, which requires Vista API since commit 12f8def0 (v2.9). But qemu-thread isn't being used in QGA, the resulting binary may still work on XP. XP is no longer supported for the past 4.5y, it's time to drop support for it. Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20181122110039.15972-5-marcandre.lureau@redhat.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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由 Marc-André Lureau 提交于
Both qemu & qga build with Vista API by default already, by defining _WIN32_WINNT 0x0600. Set it globally in osdep.h instead. This replaces WINVER by _WIN32_WINNT in osdep.h. WINVER doesn't seem to be really useful these days. (see also https://blogs.msdn.microsoft.com/oldnewthing/20070411-00/?p=27283) Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20181122110039.15972-4-marcandre.lureau@redhat.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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由 Marc-André Lureau 提交于
This removes some clutter in compilation logging, and allows some easier tweaking per compilation unit/CFLAGS overriding. Note that we can't move those define in os-win32.h, since they must be set before the first system headers are included. Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20181122110039.15972-3-marcandre.lureau@redhat.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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由 Marc-André Lureau 提交于
osdep.h will also define the available Windows API version for QEMU. Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20181122110039.15972-2-marcandre.lureau@redhat.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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由 Guenter Roeck 提交于
The guest OS reads RSTAT, RSEQ, and RINTR, and expects those registers to reflect a consistent state. However, it is possible that the registers can change after RSTAT was read, but before RINTR is read, when esp_command_complete() is called. Guest OS qemu -------- ---- [handle interrupt] Read RSTAT esp_command_complete() RSTAT = STAT_ST esp_dma_done() RSTAT |= STAT_TC RSEQ = 0 RINTR = INTR_BS Read RSEQ Read RINTR RINTR = 0 RSTAT &= ~STAT_TC RSEQ = SEQ_CD The guest OS would then try to handle INTR_BS combined with an old value of RSTAT. This sometimes resulted in lost events, spurious interrupts, guest OS confusion, and stalled SCSI operations. A typical guest error log (observed with various versions of Linux) looks as follows. scsi host1: Spurious irq, sreg=13. ... scsi host1: Aborting command [84531f10:2a] scsi host1: Current command [f882eea8:35] scsi host1: Queued command [84531f10:2a] scsi host1: Active command [f882eea8:35] scsi host1: Dumping command log scsi host1: ent[15] CMD val[44] sreg[90] seqreg[00] sreg2[00] ireg[20] ss[00] event[0c] scsi host1: ent[16] CMD val[01] sreg[90] seqreg[00] sreg2[00] ireg[20] ss[02] event[0c] scsi host1: ent[17] CMD val[43] sreg[90] seqreg[00] sreg2[00] ireg[20] ss[02] event[0c] scsi host1: ent[18] EVENT val[0d] sreg[92] seqreg[04] sreg2[00] ireg[18] ss[00] event[0c] ... Defer handling command completion until previous interrupts have been handled to fix the problem. Signed-off-by: NGuenter Roeck <linux@roeck-us.net>
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由 Guenter Roeck 提交于
Per AM53C974 datasheet, definition of "SCSI Bus and Control (SBAC)" register: Bit 24 'STATUS' Write Erase Control This bit controls the Write Erase feature on bits 3:1 and bit 6 of the DMA Status Register ((B)+54h). When this bit is programmed to '1', the state of bits 3:1 are preserved when read. Bits 3:1 are only cleared when a '1' is written to the corresponding bit location. For example, to clear bit 1, the value of '0000_0010b' should be written to the register. When the DMA Status Preserve bit is '0', bits 3:1 are cleared when read. The status register is currently defined to bit 12, not bit 24. Also, its implementation is reversed: The status is auto-cleared if the bit is set to 1, and must be cleared explicitly when the bit is set to 0. This results in spurious interrupts reported by the Linux kernel, and in some cases even results in stalled SCSI operations. Set SBAC_STATUS to bit 24 and reverse the logic to fix the problem. Signed-off-by: NGuenter Roeck <linux@roeck-us.net> Message-Id: <1543442171-24863-1-git-send-email-linux@roeck-us.net> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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