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2014-11-03target-mips: add msa_reset(), global msa registerYongbok Kim2-0/+90
add msa_reset() and global msa register (d type only) Reviewed-by: James Hogan <james.hogan@imgtec.com> Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com> Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
2014-11-03target-mips: add MSA opcode enumYongbok Kim1-0/+245
add MSA opcode enum Reviewed-by: James Hogan <james.hogan@imgtec.com> Reviewed-by: Leon Alrae <leon.alrae@imgtec.com> Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com> Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
2014-11-03target-mips: stop translation after ctc1Yongbok Kim1-0/+6
stop translation as ctc1 instruction can change hflags Reviewed-by: James Hogan <james.hogan@imgtec.com> Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com> Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
2014-11-03target-mips: remove duplicated mips/ieee mapping functionYongbok Kim3-9/+6
Remove the duplicated ieee_rm in gdbstub.c. Make the other ieee_rm and ieee_ex_to_mips available to other files. Reviewed-by: James Hogan <james.hogan@imgtec.com> Reviewed-by: Leon Alrae <leon.alrae@imgtec.com> Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com> Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
2014-11-03target-mips: add MSA exceptionsYongbok Kim1-0/+10
add MSA exceptions Reviewed-by: James Hogan <james.hogan@imgtec.com> Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com> Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
2014-11-03target-mips: add MSA defines and data structureYongbok Kim3-2/+52
add defines and data structure for MIPS SIMD Architecture Reviewed-by: James Hogan <james.hogan@imgtec.com> Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com> Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
2014-11-03target-mips: enable features in MIPS64R6-generic CPULeon Alrae1-2/+9
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com> Reviewed-by: Yongbok Kim <yongbok.kim@imgtec.com>
2014-11-03target-mips: correctly handle access to unimplemented CP0 registerLeon Alrae1-278/+260
Release 6 limits the number of cases where software can cause UNDEFINED or UNPREDICTABLE behaviour. In this case, when accessing reserved / unimplemented CP0 register, writes are ignored and reads return 0. In pre-R6 the behaviour is not specified, but generating RI exception is not what the real HW does. Additionally, remove CP0 Random register as it became reserved in Release 6. Signed-off-by: Leon Alrae <leon.alrae@imgtec.com> Reviewed-by: Yongbok Kim <yongbok.kim@imgtec.com>
2014-11-03target-mips: add restrictions for possible values in registersLeon Alrae1-17/+53
In Release 6 not all the values are allowed to be written to a register. If the value is not valid or unsupported then it should stay unchanged. For pre-R6 the existing behaviour has been changed only for CP0_Index register as the current implementation does not seem to be correct - it looks like it tries to limit the input value but the limit is higher than the actual number of tlb entries. Signed-off-by: Leon Alrae <leon.alrae@imgtec.com> Reviewed-by: Yongbok Kim <yongbok.kim@imgtec.com>
2014-11-03target-mips: CP0_Status.CU0 no longer allows the user to access CP0Leon Alrae1-1/+2
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com> Reviewed-by: Yongbok Kim <yongbok.kim@imgtec.com>
2014-11-03target-mips: implement forbidden slotLeon Alrae2-36/+76
When conditional compact branch is encountered decode one more instruction in current translation block - that will be forbidden slot. Instruction in forbidden slot will be executed only if conditional compact branch is not taken. Any control transfer instruction (CTI) which are branches, jumps, ERET, DERET, WAIT and PAUSE will generate RI exception if executed in forbidden or delay slot. Signed-off-by: Leon Alrae <leon.alrae@imgtec.com> Reviewed-by: Yongbok Kim <yongbok.kim@imgtec.com>
2014-11-03target-mips: add Config5.SBRILeon Alrae2-3/+32
SDBBP instruction Reserved Instruction control. The purpose of this field is to restrict availability of SDBBP to kernel mode operation. If the bit is set then SDBBP instruction can only be executed in kernel mode. User execution of SDBBP will cause a Reserved Instruction exception. Additionally add missing Config4 and Config5 cases for dm{f,t}c0. Signed-off-by: Leon Alrae <leon.alrae@imgtec.com> Reviewed-by: Yongbok Kim <yongbok.kim@imgtec.com>
2014-11-03target-mips: update cpu_save/cpu_load to support new registersLeon Alrae2-2/+26
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com> Reviewed-by: Yongbok Kim <yongbok.kim@imgtec.com>
2014-11-03target-mips: add BadInstr and BadInstrP supportLeon Alrae4-11/+133
BadInstr Register (CP0 Register 8, Select 1) The BadInstr register is a read-only register that capture the most recent instruction which caused an exception. BadInstrP Register (CP0 Register 8, Select 2) The BadInstrP register contains the prior branch instruction, when the faulting instruction is in a branch delay slot. Using error_code to indicate whether AdEL or TLBL was triggered during instruction fetch, in this case BadInstr is not updated as valid instruction word is not available. Signed-off-by: Leon Alrae <leon.alrae@imgtec.com> Reviewed-by: Yongbok Kim <yongbok.kim@imgtec.com>
2014-11-03target-mips: add TLBINV supportLeon Alrae7-8/+94
For Standard TLB configuration (Config.MT=1): TLBINV invalidates a set of TLB entries based on ASID. The virtual address is ignored in the entry match. TLB entries which have their G bit set to 1 are not modified. TLBINVF causes all entries to be invalidated. Single TLB entry can be marked as invalid on TLB entry write by having EntryHi.EHINV set to 1. Signed-off-by: Leon Alrae <leon.alrae@imgtec.com> Reviewed-by: Yongbok Kim <yongbok.kim@imgtec.com>
2014-11-03target-mips: add new Read-Inhibit and Execute-Inhibit exceptionsLeon Alrae2-2/+28
An Execute-Inhibit exception occurs when the virtual address of an instruction fetch matches a TLB entry whose XI bit is set. This exception type can only occur if the XI bit is implemented within the TLB and is enabled, this is denoted by the PageGrain XIE bit. An Read-Inhibit exception occurs when the virtual address of a memory load reference matches a TLB entry whose RI bit is set. This exception type can only occur if the RI bit is implemented within the TLB and is enabled, this is denoted by the PageGrain RIE bit. Signed-off-by: Leon Alrae <leon.alrae@imgtec.com> Reviewed-by: Yongbok Kim <yongbok.kim@imgtec.com>
2014-11-03target-mips: update PageGrain and m{t,f}c0 EntryLo{0,1}Leon Alrae5-5/+57
PageGrain needs rw bitmask which differs between MIPS architectures. In pre-R6 if RIXI is supported, PageGrain.XIE and PageGrain.RIE are writeable, whereas in R6 they are read-only 1. On MIPS64 mtc0 instruction left shifts bits 31:30 for MIPS32 backward compatiblity, therefore there are separate mtc0 and dmtc0 helpers. Signed-off-by: Leon Alrae <leon.alrae@imgtec.com> Reviewed-by: Yongbok Kim <yongbok.kim@imgtec.com>
2014-11-03target-mips: add RI and XI fields to TLB entryLeon Alrae3-1/+29
In Revision 3 of the architecture, the RI and XI bits were added to the TLB to enable more secure access of memory pages. These bits (along with the Dirty bit) allow the implementation of read-only, write-only, no-execute access policies for mapped pages. Signed-off-by: Leon Alrae <leon.alrae@imgtec.com> Reviewed-by: Yongbok Kim <yongbok.kim@imgtec.com>
2014-11-03target-mips: distinguish between data load and instruction fetchLeon Alrae1-11/+10
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com> Reviewed-by: Yongbok Kim <yongbok.kim@imgtec.com>
2014-11-03softmmu: provide softmmu access type enumLeon Alrae2-10/+22
New MIPS features depend on the access type and enum is more convenient than using the numbers directly. Signed-off-by: Leon Alrae <leon.alrae@imgtec.com> Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com>
2014-11-03target-mips: add KScratch registersLeon Alrae2-0/+47
KScratch<n> Registers (CP0 Register 31, Selects 2 to 7) The KScratch registers are read/write registers available for scratch pad storage by kernel mode software. They are 32-bits in width for 32-bit processors and 64-bits for 64-bit processors. CP0Config4.KScrExist[2:7] bits indicate presence of CP0_KScratch1-6 registers. For Release 6, all KScratch registers are required. Signed-off-by: Leon Alrae <leon.alrae@imgtec.com> Reviewed-by: Yongbok Kim <yongbok.kim@imgtec.com>
2014-11-02tcg/mips: fix store softmmu slow pathAurelien Jarno1-1/+1
Commit 9d8bf2d1 moved the softmmu slow path out of line and introduce a regression at the same time by always calling tcg_out_tlb_load with is_load=1. This makes impossible to run any significant code under qemu-system-mips*. Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: qemu-stable@nongnu.org Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2014-10-30Merge remote-tracking branch 'remotes/sstabellini/xen-2014-10-30' into stagingPeter Maydell3-7/+120
* remotes/sstabellini/xen-2014-10-30: fix off-by-one error in pci_piix3_xen_ide_unplug xen-hvm.c: Add support for Xen access to vmport Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-10-30Merge remote-tracking branch ↵Peter Maydell1-38/+78
'remotes/kraxel/tags/pull-cve-2014-3689-20141029-1' into staging vmware-vga: add rectangle verification (CVE-2014-3689) # gpg: Signature made Wed 29 Oct 2014 11:45:29 GMT using RSA key ID D3E87138 # 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>" * remotes/kraxel/tags/pull-cve-2014-3689-20141029-1: vmware-vga: use vmsvga_verify_rect in vmsvga_fill_rect vmware-vga: use vmsvga_verify_rect in vmsvga_copy_rect vmware-vga: use vmsvga_verify_rect in vmsvga_update_rect vmware-vga: add vmsvga_verify_rect vmware-vga: CVE-2014-3689: turn off hw accel Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-10-30Merge remote-tracking branch 'remotes/kraxel/tags/pull-vnc-20141028-1' into ↵Peter Maydell1-5/+15
staging vnc: return directly if no vnc client connected vnc: sanitize bits_per_pixel from the client (CVE-2014-7815) # gpg: Signature made Tue 28 Oct 2014 10:52:31 GMT using RSA key ID D3E87138 # 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>" * remotes/kraxel/tags/pull-vnc-20141028-1: vnc: return directly if no vnc client connected vnc: sanitize bits_per_pixel from the client Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-10-30Merge remote-tracking branch 'remotes/kraxel/tags/pull-usb-20141028-1' into ↵Peter Maydell6-13/+37
staging Fixes for libcacard (usb smartcard emulation), xhci and uhci. # gpg: Signature made Tue 28 Oct 2014 10:39:52 GMT using RSA key ID D3E87138 # 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>" * remotes/kraxel/tags/pull-usb-20141028-1: uhci: remove useless DEBUG xhci: add property to turn on/off streams support libcacard: don't free sign buffer while sign op is pending libcacard: Lock NSS cert db when selecting an applet on an emulated card libcacard: introduce new vcard_emul_logout Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-10-30Merge remote-tracking branch 'remotes/kraxel/tags/pull-gtk-20141028-1' into ↵Peter Maydell1-3/+11
staging gtk: fix two warnings with gtk 3.14+ # gpg: Signature made Tue 28 Oct 2014 10:25:52 GMT using RSA key ID D3E87138 # 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>" * remotes/kraxel/tags/pull-gtk-20141028-1: gtk: avoid gd_widget_reparent with gtk 3.14+ gtk: drop gtk_widget_set_double_buffered call Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-10-30fix off-by-one error in pci_piix3_xen_ide_unplugJames Harper1-2/+2
Fix off-by-one error when unplugging disks, which would otherwise leave the last ATA disk plugged, with obvious consequences. Also rewrite loop to be more readable. Signed-off-by: James Harper <james.harper@ejbdigital.com.au> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
2014-10-30xen-hvm.c: Add support for Xen access to vmportDon Slutz2-5/+118
This adds synchronisation of the 6 vcpu registers (only 32bits of them) that vmport.c needs between Xen and QEMU. This is to avoid a 2nd and 3rd exchange between QEMU and Xen to fetch and put these 6 vcpu registers used by the code in vmport.c and vmmouse.c The registers are passed in the new shared page provided by HVM_PARAM_VMPORT_REGS_PFN. Add new array to XenIOState that allows selection of current_cpu by vcpu id. Now pass XenIOState to handle_ioreq(). Add new routines regs_to_cpu(), regs_from_cpu(), and handle_vmport_ioreq(). Signed-off-by: Don Slutz <dslutz@verizon.com> Reviewed-by: Paul Durrant <paul.durrant@citrix.com> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
2014-10-30Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into stagingPeter Maydell19-103/+488
virtio-scsi fixes, the first part of dynamic sysbus devices, MAINTAINERS updates, and AVX512 support. # gpg: Signature made Mon 27 Oct 2014 15:12:13 GMT using RSA key ID 78C7AE83 # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" # gpg: WARNING: This key is not certified with sufficiently trusted signatures! # gpg: It is not certain that the signature belongs to the owner. # 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: (28 commits) aio / timers: De-document -clock hw/scsi/virtio-scsi.c: fix the "type" use error in virtio_scsi_handle_ctrl virtio-scsi: sense in virtio_scsi_command_complete target-i386: add Intel AVX-512 support get_maintainer.pl: restrict cases where it falls back to --git get_maintainer.pl: move git loop under "if ($email) {" qtest: fix qtest log fd should be initialized before qtest chardev MAINTAINERS: avoid M entries that point to mailing lists MAINTAINERS: add some tests directories MAINTAINERS: Add more TCG files MAINTAINERS: add myself for X86 MAINTAINERS: add Samuel Thibault as usb-serial.c and baum.c maintainer MAINTAINERS: grab more files from Anthony's pile target-i386: warns users when CPU threads>1 for non-Intel CPUs sysbus: Use TYPE_DEVICE GPIO functionality qdev: gpio: Define qdev_pass_gpios() qdev: gpio: Remove qdev_init_gpio_out x1 restriction qdev: gpio: delete NamedGPIOList::out irq: Remove qemu_irq_intercept_out qtest/irq: Rework IRQ interception ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-10-30virtio: link the rng backend through an alias propertyPaolo Bonzini3-13/+6
The virtio-rng backend is currently linked twice, once in the proxy device (e.g. virtio-rng-pci) and once in virtio-rng-device. This causes a double unref of the backend when the parent device is unplugged. To fix this, make the proxy device use an alias, similar to what is already being done for the iothread link. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Gonglei <arei.gonglei@huawei.com> Message-id: 1414577839-18695-1-git-send-email-pbonzini@redhat.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-10-29vmware-vga: use vmsvga_verify_rect in vmsvga_fill_rectGerd Hoffmann1-7/+10
Add verification to vmsvga_fill_rect, re-enable HW_FILL_ACCEL. Cc: qemu-stable@nongnu.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Don Koch <dkoch@verizon.com>
2014-10-29vmware-vga: use vmsvga_verify_rect in vmsvga_copy_rectGerd Hoffmann1-6/+14
Add verification to vmsvga_copy_rect, re-enable HW_RECT_ACCEL. Cc: qemu-stable@nongnu.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Don Koch <dkoch@verizon.com>
2014-10-28vnc: return directly if no vnc client connectedChenLiang1-5/+5
graphic_hw_update and vnc_refresh_server_surface aren't need to do when no vnc client connected. It can reduce lock contention, because vnc_refresh will hold global big lock two millisecond every three seconds. Signed-off-by: ChenLiang <chenliang88@huawei.com> Signed-off-by: Gonglei <arei.gonglei@huawei.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-10-28vnc: sanitize bits_per_pixel from the clientPetr Matousek1-0/+10
bits_per_pixel that are less than 8 could result in accessing non-initialized buffers later in the code due to the expectation that bytes_per_pixel value that is used to initialize these buffers is never zero. To fix this check that bits_per_pixel from the client is one of the values that the rfb protocol specification allows. This is CVE-2014-7815. Signed-off-by: Petr Matousek <pmatouse@redhat.com> [ kraxel: apply codestyle fix ] Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-10-28uhci: remove useless DEBUGGonglei1-3/+0
commit 50dcc0f8 (uhci: tracing support) had removed DPRINTF, the DEBUG marco is useless now, remove it. Signed-off-by: Gonglei <arei.gonglei@huawei.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-10-28xhci: add property to turn on/off streams supportGerd Hoffmann1-3/+12
streams support in usb-redir and usb-host works only with recent enough versions of the support libraries (libusbredir and libusbx). Failure mode is rather unelegant: Any stream usb transfers will throw stall errors. Turning off support for streams in the xhci host controller will work better as the guest can figure beforehand that streams are not going to work. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com>
2014-10-28libcacard: don't free sign buffer while sign op is pendingRay Strode1-3/+7
commit 57f97834efe0c208ffadc9d2959f3d3d55580e52 cleaned up the cac_applet_pki_process_apdu function to have a single exit point. Unfortunately, that commit introduced a bug where the sign buffer can get free'd and nullified while it's still being used. This commit corrects the bug by introducing a boolean to track whether or not the sign buffer should be freed in the function exit path. Signed-off-by: Ray Strode <rstrode@redhat.com> Reviewed-by: Alon Levy <alon@pobox.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-10-28libcacard: Lock NSS cert db when selecting an applet on an emulated cardRay Strode1-0/+5
When a process in a guest uses an emulated smartcard, libcacard running on the host passes the PIN from the guest to the PK11_Authenticate NSS function. The first time PK11_Authenticate is called the passed in PIN is used to unlock the certificate database. Subsequent calls to PK11_Authenticate will transparently succeed, regardless of the passed in PIN. This is a convenience for applications provided by NSS. Of course, the guest may have many applications using the one emulated smart card all driven from the same host QEMU process. That means if a user enters the right PIN in one program in the guest, and then enters the wrong PIN in another program in the guest, the wrong PIN will still successfully unlock the virtual smartcard. This commit forces the NSS certificate database to be locked anytime an applet is selected on an emulated smartcard by calling vcard_emul_logout. Signed-off-by: Ray Strode <rstrode@redhat.com> Reviewed-By: Robert Relyea <rrelyea@redhat.com> Reviewed-By: Alon Levy <alevy@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-10-28libcacard: introduce new vcard_emul_logoutRay Strode2-4/+13
vcard_emul_reset currently only logs NSS out, but there is a TODO for potentially sending insertion/removal events when powering down or powering up. For clarity, this commit moves the current guts of vcard_emul_reset to a new vcard_emul_logout function which will never send insertion/removal events. The vcard_emul_reset function now just calls vcard_emul_logout, but also retains its TODO for watching power state transitions and sending insertion/removal events. Signed-off-by: Ray Strode <rstrode@redhat.com> Reviewed-By: Robert Relyea <rrelyea@redhat.com> Reviewed-By: Alon Levy <alevy@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-10-28gtk: avoid gd_widget_reparent with gtk 3.14+Gerd Hoffmann1-2/+11
gtk_widget_reparent is depricated in gtk 3.14, stop using it. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-10-28gtk: drop gtk_widget_set_double_buffered callGerd Hoffmann1-1/+0
Dunno why it is here. Removing it seems to have no ill side effects. It is depricated in 3.14+. In some cases it has no effect since 3.10 according to the docs: https://developer.gnome.org/gtk3/stable/GtkWidget.html#gtk-widget-set-double-buffered Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-10-28vmware-vga: use vmsvga_verify_rect in vmsvga_update_rectGerd Hoffmann1-28/+4
Switch vmsvga_update_rect over to use vmsvga_verify_rect. Slight change in behavior: We don't try to automatically fixup rectangles any more. In case we find invalid update requests we'll do a full-screen update instead. Cc: qemu-stable@nongnu.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Don Koch <dkoch@verizon.com>
2014-10-28vmware-vga: add vmsvga_verify_rectGerd Hoffmann1-1/+52
Add verification function for rectangles, returning true if verification passes and false otherwise. Cc: qemu-stable@nongnu.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Don Koch <dkoch@verizon.com>
2014-10-28vmware-vga: CVE-2014-3689: turn off hw accelGerd Hoffmann1-0/+2
Quick & easy stopgap for CVE-2014-3689: We just compile out the hardware acceleration functions which lack sanity checks. Thankfully we have capability bits for them (SVGA_CAP_RECT_COPY and SVGA_CAP_RECT_FILL), so guests should deal just fine, in theory. Subsequent patches will add the missing checks and re-enable the hardware acceleration emulation. Cc: qemu-stable@nongnu.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Don Koch <dkoch@verizon.com>
2014-10-27aio / timers: De-document -clockMarkus Armbruster2-10/+4
Commit 6d32717 "aio / timers: Remove alarm timers" has issues: 1. It silently ignores -clock for backward compatibility. Incompatible change: -clock help no longer terminates the program. Tolerable. 2. Failed to update option documentation. In particular, -help still advises users to try -clock help for available timers. Drop all documentation on -clock. 3. The 'query-alarm-clock' example in docs/writing-commands.txt no longer works, and needs to be redone. Can't do that right now, so I just stick in a FIXME. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-10-27hw/scsi/virtio-scsi.c: fix the "type" use error in virtio_scsi_handle_ctrlBin Wu1-5/+5
The local variable "type" in virtio_scsi_handle_ctl represents the tmf command type from the guest and it has the same meaning as the req->req.tmf.type. However, before the invoking of virtio_scsi_parse_req the req->req.tmf.type doesn't has the correct value(just initialized to zero). Therefore, we need to use the "type" variable to judge the case. Cc: qemu-stable@nongnu.org Signed-off-by: Bin Wu <wu.wubin@huawei.com> [Actually make it compile, "type" must be uint32_t in order to pass it to virtio_tswap32s. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-10-27virtio-scsi: sense in virtio_scsi_command_completeTing Wang1-1/+1
If req->resp.cmd.status is not GOOD, the address of sense for qemu_iovec_from_buf should be modified from &req->resp to sense. Cc: qemu-stable@nongnu.org Signed-off-by: Ting Wang <kathy.wangting@huawei.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-10-27Revert "main-loop.c: Handle SIGINT, SIGHUP and SIGTERM synchronously"Jan Kiszka1-3/+5
This reverts commit 15124e142034d21341ec9f1a304a1dc5a6c25681. It breaks debuggability of qemu and is no longer needed as the problem has now been addressed in a different way. Instead we provide a comment about why these signals must be handled asynchronously. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Reviewed-by: Gonglei <arei.gonglei@huawei.com> [PMM: added comment] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-10-27Make qemu_shutdown_requested signal-safeJan Kiszka1-3/+1
qemu_shutdown_requested may be interrupted by qemu_system_killed. If the latter sets shutdown_requested after qemu_shutdown_requested has read it but before it was cleared, the shutdown event is lost. Fix this by using atomic_xchg. This provides a different fix for the problem which commit 15124e142 attempts to deal with. That commit breaks use of ^C to drop into gdb, and so this approach is better (and 15124e142 can be reverted). Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Reviewed-by: Gonglei <arei.gonglei@huawei.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> [PMM: commit message tweak] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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