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| * s390x/tcg: MVPG: Properly wrap the addressesDavid Hildenbrand2019-09-231-2/+9
| | | | | | | | | | | | | | | | We have to mask of any unused bits. While at it, document what exactly is missing. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: David Hildenbrand <david@redhat.com>
| * s390x/tcg: MVPG: Check for specification exceptionsDavid Hildenbrand2019-09-231-0/+7
| | | | | | | | | | | | | | Perform the checks documented in the PoP. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: David Hildenbrand <david@redhat.com>
| * s390x/tcg: MVC: Use is_destructive_overlap()David Hildenbrand2019-09-231-1/+1
| | | | | | | | | | | | | | | | | | | | | | Let's use the new helper, that also detects destructive overlaps when wrapping. We'll make the remaining code (e.g., fast_memmove()) aware of wrapping later. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: David Hildenbrand <david@redhat.com>
| * s390x/tcg: MVC: Increment the length onceDavid Hildenbrand2019-09-231-8/+12
| | | | | | | | | | | | | | | | | | | | Let's increment the length once. While at it, cleanup the comment. The memset() example is given as a programming note in the PoP, so drop the description. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: David Hildenbrand <david@redhat.com>
| * s390x/tcg: MVCL: Process max 4k bytes at a timeDavid Hildenbrand2019-09-231-6/+38
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Process max 4k bytes at a time, writing back registers between the accesses. The instruction is interruptible. "For operands longer than 2K bytes, access exceptions are not recognized for locations more than 2K bytes beyond the current location being processed." Note that on z/Architecture, 2k vs. 4k access cannot get differentiated as long as pages are not crossed. This seems to be a leftover from ESA/390. Simply stay within single pages. MVCL handling is quite different than MVCLE/MVCLU handling, so split up the handlers. Defer interrupt handling, as that will require more thought, add a TODO for that. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: David Hildenbrand <david@redhat.com>
| * s390x/tcg: MVCL: Detect destructive overlapsDavid Hildenbrand2019-09-231-1/+18
| | | | | | | | | | | | | | | | We'll have to zero-out unused bit positions, so make sure to write the addresses back. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: David Hildenbrand <david@redhat.com>
| * s390x/tcg: MVCL: Zero out unused bits of addressDavid Hildenbrand2019-09-231-2/+21
| | | | | | | | | | | | | | | | We have to zero out unused bits in 24 and 31-bit addressing mode. Provide a new helper. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: David Hildenbrand <david@redhat.com>
| * s390x/tcg: Reset exception_index to -1 instead of 0David Hildenbrand2019-09-231-3/+3
| | | | | | | | | | | | | | | | We use the marker "-1" for "no exception". s390_cpu_do_interrupt() might get confused by that. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: David Hildenbrand <david@redhat.com>
* | s390x/cpumodel: Add the z15 name to the description of gen15aChristian Borntraeger2019-09-231-1/+1
| | | | | | | | | | | | | | We now know that gen15a is called z15. Reviewed-by: David Hildenbrand <david@redhat.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
* | s390x/kvm: Officially require at least kernel 3.15Thomas Huth2019-09-231-0/+7
|/ | | | | | | | | | | | | | | | Since QEMU v2.10, the KVM acceleration does not work on older kernels anymore since the code accidentally requires the KVM_CAP_DEVICE_CTRL capability now - it should have been optional instead. Instead of fixing the bug, we asked in the ChangeLog of QEMU 2.11 - 3.0 that people should speak up if they still need support of QEMU running with KVM on older kernels, but seems like nobody really complained. Thus let's make this official now and turn it into a proper error message, telling the users to use at least kernel 3.15 now. Signed-off-by: Thomas Huth <thuth@redhat.com> Message-Id: <20190913091443.27565-1-thuth@redhat.com> Reviewed-by: David Hildenbrand <david@redhat.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
* s390x/tcg: Pass a size to probe_write() in do_csst()David Hildenbrand2019-09-031-3/+1Star
| | | | | | | | | | | | | | ... and also call it for CONFIG_USER_ONLY. This function probably will also need some refactoring in regards to probing, however, we'll have to come back to that later, once cleaning up the other mem helpers. The alignment check always makes sure that the write access falls into a single page. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20190826075112.25637-8-david@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* tcg: Factor out CONFIG_USER_ONLY probe_write() from s390x codeDavid Hildenbrand2019-09-031-7/+0Star
| | | | | | | | | | | Factor it out into common code. Similar to the !CONFIG_USER_ONLY variant, let's not allow to cross page boundaries. Signed-off-by: David Hildenbrand <david@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20190826075112.25637-4-david@redhat.com> [rth: Move cpu & cc variables inside if block.] Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* s390x/tcg: Fix length calculation in probe_write_access()David Hildenbrand2019-09-031-1/+1
| | | | | | | | | | | | | Hm... how did that "-" slip in (-TAGRET_PAGE_SIZE would be correct). This currently makes us exceed one page in a single probe_write() call, essentially leaving some memory unchecked. Fixes: c5a7392cfb96 ("s390x/tcg: Provide probe_write_access helper") Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: David Hildenbrand <david@redhat.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Message-Id: <20190826075112.25637-3-david@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* s390x/tcg: Use guest_addr_valid() instead of h2g_valid() in probe_write_access()David Hildenbrand2019-09-031-1/+1
| | | | | | | | | | | | If I'm not completely wrong, we are dealing with guest addresses here and not with host addresses. Use the right check. Fixes: c5a7392cfb96 ("s390x/tcg: Provide probe_write_access helper") Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: David Hildenbrand <david@redhat.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Message-Id: <20190826075112.25637-2-david@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* tcg: TCGMemOp is now accelerator independent MemOpTony Nguyen2019-09-032-8/+8
| | | | | | | | | | | | | | Preparation for collapsing the two byte swaps, adjust_endianness and handle_bswap, along the I/O path. Target dependant attributes are conditionalized upon NEED_CPU_H. Signed-off-by: Tony Nguyen <tony.nguyen@bt.com> Acked-by: David Gibson <david@gibson.dropbear.id.au> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Acked-by: Cornelia Huck <cohuck@redhat.com> Message-Id: <81d9cd7d7f5aaadfa772d6c48ecee834e9cf7882.1566466906.git.tony.nguyen@bt.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* s390x/mmu: Factor out storage key handlingDavid Hildenbrand2019-08-221-44/+71
| | | | | | | | | | | Factor it out, add a comment how it all works, and also use it in the REAL MMU. Reviewed-by: Cornelia Huck <cohuck@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20190816084708.602-7-david@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
* s390x/mmu: Better storage key reference and change bit handlingDavid Hildenbrand2019-08-221-5/+19
| | | | | | | | | | | | | | | Any access sets the reference bit. In case we have a read-fault, we should not allow writes to the TLB entry if the change bit was not already set. This is a preparation for proper storage-key reference/change bit handling in TCG and a fix for KVM whereby read accesses would set the change bit (old KVM versions without the ioctl to carry out the translation). Reviewed-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20190816084708.602-6-david@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
* s390x/tcg: Flush the TLB of all CPUs on SSKE and RRBEDavid Hildenbrand2019-08-221-0/+10
| | | | | | | | | | | | | | | | | | | Whenever we modify a storage key, we should flush the TLBs of all CPUs, so the MMU fault handling code can properly consider the changed storage key (to e.g., properly set the reference and change bit on the next accesses). These functions are barely used in modern Linux guests, so the performance implications are neglectable for now. This is a preparation for better reference and change bit handling for TCG, which will require more MMU changes. Reviewed-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20190816084708.602-5-david@redhat.com> Acked-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
* s390x/tcg: Rework MMU selection for instruction fetchesDavid Hildenbrand2019-08-222-23/+22Star
| | | | | | | | | | | | | | | | | | Instructions are always fetched from primary address space, except when in home address mode. Perform the selection directly in cpu_mmu_index(). get_mem_index() is only used to perform data access, instructions are fetched via cpu_lduw_code(), which translates to cpu_mmu_index(env, true). We don't care about restricting the access permissions of the TLB entries anymore, as we no longer enter PRIMARY entries into the SECONDARY MMU. Cleanup related code a bit. Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: David Hildenbrand <david@redhat.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Message-Id: <20190816084708.602-4-david@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
* s390x/mmu: ASC selection in s390_cpu_get_phys_page_debug()David Hildenbrand2019-08-221-0/+5
| | | | | | | | | | | | | | | | | | Let's select the ASC before calling the function. This is a prepararion to remove the ASC magic depending on the access mode from mmu_translate. There is currently no way to distinguish if we have code or data access. For now, we were using code access, because especially when debugging with the gdbstub, we want to read and disassemble what we single-step. Note: KVM guest can now no longer be crashed using qmp/hmp/gdbstub if they happen to be in AR mode. Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20190816084708.602-3-david@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
* s390x/mmu: Trace the right value if setting/getting the storage key failsDavid Hildenbrand2019-08-221-2/+4
| | | | | | | | | | | We want to trace the actual return value, not "0". Fixes: 0f5f669147b5 ("s390x: Enable new s390-storage-keys device") Reviewed-by: Cornelia Huck <cohuck@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20190816084708.602-2-david@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
* s390x/tcg: Fix VERIM with 32/64 bit elementsDavid Hildenbrand2019-08-221-1/+1
| | | | | | | | | | | | | Wrong order of operands. The constant always comes last. Makes QEMU crash reliably on specific git fetch invocations. Reported-by: Stefano Brivio <sbrivio@redhat.com> Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20190814151242.27199-1-david@redhat.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Fixes: 5c4b0ab460ef ("s390x/tcg: Implement VECTOR ELEMENT ROTATE AND INSERT UNDER MASK") Cc: qemu-stable@nongnu.org Signed-off-by: Cornelia Huck <cohuck@redhat.com>
* hw/core: Move cpu.c, cpu.h from qom/ to hw/core/Markus Armbruster2019-08-212-2/+2
| | | | | | | | | | Suggested-by: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190709152053.16670-2-armbru@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> [Rebased onto merge commit 95a9457fd44; missed instances of qom/cpu.h in comments replaced]
* targets (various): use softfloat-helpers.h where we canAlex Bennée2019-08-191-1/+1
| | | | | | | | | | | | Generally the cpu and non-FP helper files just want to manipulate the softfloat flags. For this they can just use the -helpers.h include which brings in a minimal number of inline helpers. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: David Hildenbrand <david@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
* sysemu: Split sysemu/runstate.h off sysemu/sysemu.hMarkus Armbruster2019-08-163-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | sysemu/sysemu.h is a rather unfocused dumping ground for stuff related to the system-emulator. Evidence: * It's included widely: in my "build everything" tree, changing sysemu/sysemu.h still triggers a recompile of some 1100 out of 6600 objects (not counting tests and objects that don't depend on qemu/osdep.h, down from 5400 due to the previous two commits). * It pulls in more than a dozen additional headers. Split stuff related to run state management into its own header sysemu/runstate.h. Touching sysemu/sysemu.h now recompiles some 850 objects. qemu/uuid.h also drops from 1100 to 850, and qapi/qapi-types-run-state.h from 4400 to 4200. Touching new sysemu/runstate.h recompiles some 500 objects. Since I'm touching MAINTAINERS to add sysemu/runstate.h anyway, also add qemu/main-loop.h. Suggested-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190812052359.30071-30-armbru@redhat.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> [Unbreak OS-X build]
* Include qemu/main-loop.h lessMarkus Armbruster2019-08-161-0/+1
| | | | | | | | | | | | | | | | | | | | In my "build everything" tree, changing qemu/main-loop.h triggers a recompile of some 5600 out of 6600 objects (not counting tests and objects that don't depend on qemu/osdep.h). It includes block/aio.h, which in turn includes qemu/event_notifier.h, qemu/notify.h, qemu/processor.h, qemu/qsp.h, qemu/queue.h, qemu/thread-posix.h, qemu/thread.h, qemu/timer.h, and a few more. Include qemu/main-loop.h only where it's needed. Touching it now recompiles only some 1700 objects. For block/aio.h and qemu/event_notifier.h, these numbers drop from 5600 to 2800. For the others, they shrink only slightly. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190812052359.30071-21-armbru@redhat.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
* Include hw/hw.h exactly where neededMarkus Armbruster2019-08-164-3/+1Star
| | | | | | | | | | | | | | | | In my "build everything" tree, changing hw/hw.h triggers a recompile of some 2600 out of 6600 objects (not counting tests and objects that don't depend on qemu/osdep.h). The previous commits have left only the declaration of hw_error() in hw/hw.h. This permits dropping most of its inclusions. Touching it now recompiles less than 200 objects. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <20190812052359.30071-19-armbru@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
* Include migration/vmstate.h lessMarkus Armbruster2019-08-161-0/+1
| | | | | | | | | | | | | | | | | | In my "build everything" tree, changing migration/vmstate.h triggers a recompile of some 2700 out of 6600 objects (not counting tests and objects that don't depend on qemu/osdep.h). hw/hw.h supposedly includes it for convenience. Several other headers include it just to get VMStateDescription. The previous commit made that unnecessary. Include migration/vmstate.h only where it's still needed. Touching it now recompiles only some 1600 objects. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <20190812052359.30071-16-armbru@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
* migration: Move the VMStateDescription typedef to typedefs.hMarkus Armbruster2019-08-161-1/+1
| | | | | | | | | | | | | | | We declare incomplete struct VMStateDescription in a couple of places so we don't have to include migration/vmstate.h for the typedef. That's fine with me. However, the next commit will drop migration/vmstate.h from a massive number of compiles. Move the typedef to qemu/typedefs.h now, so I don't have to insert struct in front of VMStateDescription all over the place then. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20190812052359.30071-15-armbru@redhat.com>
* Include sysemu/reset.h a lot lessMarkus Armbruster2019-08-161-0/+1
| | | | | | | | | | | | | | | | | | In my "build everything" tree, changing sysemu/reset.h triggers a recompile of some 2600 out of 6600 objects (not counting tests and objects that don't depend on qemu/osdep.h). The main culprit is hw/hw.h, which supposedly includes it for convenience. Include sysemu/reset.h only where it's needed. Touching it now recompiles less than 200 objects. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20190812052359.30071-9-armbru@redhat.com>
* s390x/cpumodel: change internal name of vxpdeh to match descriptionChristian Borntraeger2019-07-162-3/+3
| | | | | | | | | | | | The internal macro name VECTOR_BCD_ENH does not match the actual description. Fix this. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Message-Id: <20190715142304.215018-4-borntraeger@de.ibm.com> [CH: vxp->vxpdeh, as discussed] Reviewed-by: David Hildenbrand <david@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
* s390x/cpumodel: also change name of vxbehChristian Borntraeger2019-07-161-1/+1
| | | | | | | | | | | | | | | | | | | David suggested to keep everything in sync as 4.1 is not yet released. This patch fixes the name "vxbeh" into "vxpdeh". To simplify the backports this patch will not change VECTOR_BCD_ENH as this is just an internal name. That will be done by an extra patch that does not need to be backported. Suggested-by: David Hildenbrand <david@redhat.com> Fixes: d05be57ddc2e ("s390: cpumodel: fix description for the new vector facility") Fixes: 54d65de0b525 ("s390x/cpumodel: vector enhancements") Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Message-Id: <20190715142304.215018-3-borntraeger@de.ibm.com> [CH: vxp->vxpdeh, as discussed] Reviewed-by: David Hildenbrand <david@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
* s390x/cpumodel: remove esort from the default modelChristian Borntraeger2019-07-161-1/+0Star
| | | | | | | | | | | esort might not be available on all models. Fixes: caef62430fed6e73 ("s390x/cpumodel: add gen15 defintions") Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Message-Id: <20190715142304.215018-2-borntraeger@de.ibm.com> Reviewed-by: David Hildenbrand <david@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
* s390x/tcg: move fallthrough annotationCornelia Huck2019-07-091-1/+1
| | | | | | | | | | ...so that the compiler properly recognizes it. Reported-by: Stefan Weil <sw@weilnetz.de> Fixes: f180da83c039 ("s390x/tcg: Implement VECTOR LOAD LOGICAL ELEMENT AND ZERO") Message-Id: <20190708125433.16927-3-cohuck@redhat.com> Reviewed-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
* s390: cpumodel: fix description for the new vector facilityChristian Borntraeger2019-07-091-1/+1
| | | | | | | | | | | The new facility is called "Vector-Packed-Decimal-Enhancement Facility" and not "Vector BCD enhancements facility 1". As the shortname might have already found its way into some backports, let's keep vxbeh. Fixes: 54d65de0b525 ("s390x/cpumodel: vector enhancements") Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Message-Id: <20190708150931.93448-1-borntraeger@de.ibm.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
* s390x/cpumodel: Set up CPU model for AQIC interceptionPierre Morel2019-07-083-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Let's add support for the AP-Queue interruption facility to the CPU model. The S390_FEAT_AP_QUEUE_INTERRUPT_CONTROL, CPU facility indicates whether the PQAP instruction with the AQIC command is available to the guest. This feature will be enabled only if the AP instructions are available on the linux host and AQIC facility is installed on the host. This feature must be turned on from userspace to intercept AP instructions on the KVM guest. The QEMU command line to turn this feature on looks something like this: qemu-system-s390x ... -cpu xxx,apqi=on ... or ... -cpu host Right now AP pass-through devices do not support migration, which means that we do not have to take care of migrating the interrupt data: virsh migrate apguest --live qemu+ssh://root@target.lan/system error: Requested operation is not valid: domain has assigned non-USB host devices Signed-off-by: Pierre Morel <pmorel@linux.ibm.com> Reviewed-by: Tony Krowiak <akrowiak@linux.ibm.com> Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> Reviewed-by: Halil Pasic <pasic@linux.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> [rebase to newest qemu and fixup description] Message-Id: <20190705153249.12525-1-borntraeger@de.ibm.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
* hw/s390x: Replace global smp variables with machine smp propertiesLike Xu2019-07-053-4/+14
| | | | | | | | | | | | | | | | | | | The global smp variables in s390x are replaced with smp machine properties. A local variable of the same name would be introduced in the declaration phase if it's used widely in the context OR replace it on the spot if it's only used once. No semantic changes. Signed-off-by: Like Xu <like.xu@linux.intel.com> Message-Id: <20190518205428.90532-7-like.xu@linux.intel.com> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> [ehabkost: fix build failure at VCPU_IRQ_BUF_SIZE] Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> fixup! hw/s390x: Replace global smp variables with machine smp properties Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
* Merge remote-tracking branch ↵Peter Maydell2019-07-033-3/+3
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 'remotes/armbru/tags/pull-monitor-2019-07-02-v2' into staging Monitor patches for 2019-07-02 # gpg: Signature made Tue 02 Jul 2019 12:37:57 BST # gpg: using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653 # gpg: issuer "armbru@redhat.com" # gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full] # gpg: aka "Markus Armbruster <armbru@pond.sub.org>" [full] # Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653 * remotes/armbru/tags/pull-monitor-2019-07-02-v2: dump: Move HMP command handlers to dump/ MAINTAINERS: Add Windows dump to section "Dump" dump: Move the code to dump/ qapi: Split dump.json off misc.json qapi: Rename target.json to misc-target.json qapi: Split machine-target.json off target.json and misc.json hw/core: Collect HMP command handlers in hw/core/ hw/core: Collect QMP command handlers in hw/core/ hw/core: Move numa.c to hw/core/ qapi: Split machine.json off misc.json MAINTAINERS: Merge sections CPU, NUMA into Machine core qom: Move HMP command handlers to qom/ qom: Move QMP command handlers to qom/ qapi: Split qom.json and qdev.json off misc.json hmp: Move hmp.h to include/monitor/ Makefile: Don't add monitor/ twice to common-obj-y MAINTAINERS: Make section "QOM" cover qdev as well MAINTAINERS: new maintainers for QOM Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| * qapi: Split machine-target.json off target.json and misc.jsonMarkus Armbruster2019-07-021-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move commands query-cpu-definitions, query-cpu-model-baseline, query-cpu-model-comparison, and query-cpu-model-expansion with their types from target.json to machine-target.json. Also move types CpuModelInfo, CpuModelExpansionType, and CpuModelCompareResult from misc.json there. Add machine-target.json to MAINTAINERS section "Machine core". Cc: Eduardo Habkost <ehabkost@redhat.com> Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190619201050.19040-13-armbru@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> [Commit message typo fixed]
| * qapi: Split machine.json off misc.jsonMarkus Armbruster2019-07-022-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move commands cpu-add, query-cpus, query-cpus-fast, query-current-machine, query-hotpluggable-cpus, query-machines, query-memdev, and set-numa-node with their types from misc.json to new machine.json. Also move types X86CPURegister32 and X86CPUFeatureWordInfo. Add machine.json to MAINTAINERS section "Machine core". Cc: Eduardo Habkost <ehabkost@redhat.com> Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190619201050.19040-9-armbru@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
* | Merge tag 's390x-tcg-2019-06-21' into s390-next-stagingCornelia Huck2019-06-244-702/+401Star
|\ \ | |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | One fix for a tcg test case and two cleanups/refactorings of cpu feature definitions. # gpg: Signature made Fri 21 Jun 2019 03:37:37 PM CEST # gpg: using RSA key 1BD9CAAD735C4C3A460DFCCA4DDE10F700FF835A # gpg: issuer "david@redhat.com" # gpg: Good signature from "David Hildenbrand <david@redhat.com>" [full] # gpg: aka "David Hildenbrand <davidhildenbrand@gmail.com>" [full] * tag 's390x-tcg-2019-06-21': s390x/cpumodel: Prepend KDSA features with "KDSA" s390x/cpumodel: Rework CPU feature definition tests/tcg/s390x: Fix alignment of csst parameter list Signed-off-by: Cornelia Huck <cohuck@redhat.com>
| * s390x/cpumodel: Prepend KDSA features with "KDSA"David Hildenbrand2019-06-212-30/+30
| | | | | | | | | | | | | | | | Let's handle it just like for other crypto features. Reviewed-by: Janosch Frank <frankja@linux.ibm.com> Acked-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: David Hildenbrand <david@redhat.com>
| * s390x/cpumodel: Rework CPU feature definitionDavid Hildenbrand2019-06-213-687/+386Star
| | | | | | | | | | | | | | | | | | Let's define features at a single spot and make it less error prone to define new features. Acked-by: Janosch Frank <frankja@linux.ibm.com> Acked-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: David Hildenbrand <david@redhat.com>
* | KVM: Introduce kvm_arch_destroy_vcpu()Liran Alon2019-06-211-0/+10
|/ | | | | | | | | | | | | | | | | Simiar to how kvm_init_vcpu() calls kvm_arch_init_vcpu() to perform arch-dependent initialisation, introduce kvm_arch_destroy_vcpu() to be called from kvm_destroy_vcpu() to perform arch-dependent destruction. This was added because some architectures (Such as i386) currently do not free memory that it have allocated in kvm_arch_init_vcpu(). Suggested-by: Maran Wilson <maran.wilson@oracle.com> Reviewed-by: Maran Wilson <maran.wilson@oracle.com> Signed-off-by: Liran Alon <liran.alon@oracle.com> Message-Id: <20190619162140.133674-3-liran.alon@oracle.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* Include qemu-common.h exactly where neededMarkus Armbruster2019-06-123-3/+0Star
| | | | | | | | | | | | | | | | No header includes qemu-common.h after this commit, as prescribed by qemu-common.h's file comment. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190523143508.25387-5-armbru@redhat.com> [Rebased with conflicts resolved automatically, except for include/hw/arm/xlnx-zynqmp.h hw/arm/nrf51_soc.c hw/arm/msf2-soc.c block/qcow2-refcount.c block/qcow2-cluster.c block/qcow2-cache.c target/arm/cpu.h target/lm32/cpu.h target/m68k/cpu.h target/mips/cpu.h target/moxie/cpu.h target/nios2/cpu.h target/openrisc/cpu.h target/riscv/cpu.h target/tilegx/cpu.h target/tricore/cpu.h target/unicore32/cpu.h target/xtensa/cpu.h; bsd-user/main.c and net/tap-bsd.c fixed up]
* Include qemu/module.h where needed, drop it from qemu-common.hMarkus Armbruster2019-06-122-0/+2
| | | | | | | | | Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190523143508.25387-4-armbru@redhat.com> [Rebased with conflicts resolved automatically, except for hw/usb/dev-hub.c hw/misc/exynos4210_rng.c hw/misc/bcm2835_rng.c hw/misc/aspeed_scu.c hw/display/virtio-vga.c hw/arm/stm32f205_soc.c; ui/cocoa.m fixed up]
* qemu-common: Move tcg_enabled() etc. to sysemu/tcg.hMarkus Armbruster2019-06-118-3/+9
| | | | | | | | | | | | | | | | | | | Other accelerators have their own headers: sysemu/hax.h, sysemu/hvf.h, sysemu/kvm.h, sysemu/whpx.h. Only tcg_enabled() & friends sit in qemu-common.h. This necessitates inclusion of qemu-common.h into headers, which is against the rules spelled out in qemu-common.h's file comment. Move tcg_enabled() & friends into their own header sysemu/tcg.h, and adjust #include directives. Cc: Richard Henderson <rth@twiddle.net> Cc: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190523143508.25387-2-armbru@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> [Rebased with conflicts resolved automatically, except for accel/tcg/tcg-all.c]
* cpu: Remove CPU_COMMONRichard Henderson2019-06-101-2/+0Star
| | | | | | | | | | This macro is now always empty, so remove it. This leaves the entire contents of CPUArchState under the control of the guest architecture. Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* cpu: Introduce CPUNegativeOffsetStateRichard Henderson2019-06-101-0/+1
| | | | | | | | | Nothing in there so far, but all of the plumbing done within the target ArchCPU state. Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* cpu: Introduce cpu_set_cpustate_pointersRichard Henderson2019-06-101-4/+5
| | | | | | | | Consolidate some boilerplate from foo_cpu_initfn. Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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