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2015-09-16target-i386: move asm-x86/hyperv.h to standard-headersPaolo Bonzini
The Hyper-V definitions are an industry standard and can be used from code that is not KVM-specific. Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-09-16update-linux-headers: copy standard-headers files one by onePaolo Bonzini
cp_virtio is called for both the asm-s390/ and linux/ directories, so it looks for pci_regs.h and input.h files in asm-s390/ too. This makes little sense. In the next patch we will have the opposite problem; we want to add asm-x86/hyperv.h, and there's also a linux/hyperv.h file with unwanted dependencies on additional Linux uapi headers. We do not want to copy linux/hyperv.h. The solution is to make cp_virtio (now renamed to cp_portable) copy one file only, instead of using the "find" command, and call it multiple times. The new function is really just a reindentation of the old one. Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-09-16update Linux headers to 4.3-rc1Paolo Bonzini
The update to 4.2 was reviewed by Michael S. Tsirkin and Cornelia Huck. The further update to 4.3-rc1 only touches KVM files. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-09-16pci: remove Link Training error from AER error listPaolo Bonzini
The spec says: Undefined – The value read from this bit is undefined. In previous versions of this specification, this bit was used to indicate a Link Training Error. System software must ignore the value read from this bit. System software is permitted to write any value to this bit. Do not allow injecting it. Suggested-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-09-16Revert "rcu: init rcu_registry_lock after fork"Paolo Bonzini
This reverts commit 5243722376873a48e9852a58b91f4d4101ee66e4. The patch forgot about rcu_sync_lock and was committed by mistake. Reported-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-09-14Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into stagingPeter Maydell
Block layer patches (v2) # gpg: Signature made Mon 14 Sep 2015 15:56:54 BST using RSA key ID C88F2FD6 # gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" * remotes/kevin/tags/for-upstream: (23 commits) qcow2: Make qcow2_alloc_bytes() more explicit vmdk: Fix next_cluster_sector for compressed write iotests: Add test for checking large image files qcow2: Make size_to_clusters() return uint64_t qemu-iotests: More qcow2 reopen tests qemu-iotests: Reopen qcow2 with lazy-refcounts change qcow2: Support updating driver-specific options in reopen qcow2: Make qcow2_update_options() suitable for transactions qcow2: Fix memory leak in qcow2_update_options() error path qcow2: Leave s unchanged on qcow2_update_options() failure qcow2: Move rest of option handling to qcow2_update_options() qcow2: Move qcow2_update_options() call up qcow2: Factor out qcow2_update_options() qcow2: Improve error message qemu-io: Add command 'reopen' qemu-io: Remove duplicate 'open' error message block: Allow specifying driver-specific options to reopen qcow2: Rename BDRVQcowState to BDRVQcow2State block: Drop bdrv_find_whitelisted_format() block: Drop drv parameter from bdrv_fill_options() ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-09-14qapi: Fix cgen() for Python older than 2.7Markus Armbruster
A feature new in Python 2.7 crept into commit 77e703b: re.subn()'s fifth argument. Avoid that, use re.compile(). Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Tested-by: Laurent Desnogues <laurent.desnogues@gmail.com> Message-id: 1441640755-23902-1-git-send-email-armbru@redhat.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-09-14Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into stagingPeter Maydell
* Support for jemalloc * qemu_mutex_lock_iothread "No such process" fix * cutils: qemu_strto* wrappers * iohandler.c simplification * Many other fixes and misc patches. And some MTTCG work (with Emilio's fixes squashed): * Signal-free TCG kick * Removing spinlock in favor of QemuMutex * User-mode emulation multi-threading fixes/docs # gpg: Signature made Thu 10 Sep 2015 09:03:07 BST using RSA key ID 78C7AE83 # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" * remotes/bonzini/tags/for-upstream: (44 commits) cutils: work around platform differences in strto{l,ul,ll,ull} cpu-exec: fix lock hierarchy for user-mode emulation exec: make mmap_lock/mmap_unlock globally available tcg: comment on which functions have to be called with mmap_lock held tcg: add memory barriers in page_find_alloc accesses remove unused spinlock. replace spinlock by QemuMutex. cpus: remove tcg_halt_cond and tcg_cpu_thread globals cpus: protect work list with work_mutex scripts/dump-guest-memory.py: fix after RAMBlock change configure: Add support for jemalloc add macro file for coccinelle configure: factor out adding disas configure vhost-scsi: fix wrong vhost-scsi firmware path checkpatch: remove tests that are not relevant outside the kernel checkpatch: adapt some tests to QEMU CODING_STYLE: update mixed declaration rules qmp: Add example usage of strto*l() qemu wrapper cutils: Add qemu_strtoull() wrapper cutils: Add qemu_strtoll() wrapper ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-09-14qcow2: Make qcow2_alloc_bytes() more explicitMax Reitz
In case of -EAGAIN returned by update_refcount(), we should discard the cluster offset we were trying to allocate and request a new one, because in theory that old offset might now be taken by a refcount block. In practice, this was not the case due to update_refcount() generally returning strictly monotonic increasing cluster offsets. However, this behavior is not set in stone, and it is also not obvious when looking at qcow2_alloc_bytes() alone, so we should not rely on it. Reported-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-09-14vmdk: Fix next_cluster_sector for compressed writeRadoslav Gerganov
When the VMDK is streamOptimized (or compressed), the next_cluster_sector must not be incremented by a fixed number of sectors. Instead of this, it must be rounded up to the next consecutive sector. Fixing this results in much smaller compressed images. Signed-off-by: Radoslav Gerganov <rgerganov@vmware.com> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-09-14iotests: Add test for checking large image filesMax Reitz
Add a test for checking a qcow2 file with a multiple of 2^32 clusters. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-09-14qcow2: Make size_to_clusters() return uint64_tMax Reitz
Sadly, some images may have more clusters than what can be represented using a plain int. We should be prepared for that case (in qcow2_check_refcounts() we actually were trying to catch that case, but since size_to_clusters() truncated the returned value, that check never did anything useful). Cc: qemu-stable <qemu-stable@nongnu.org> Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-09-14qemu-iotests: More qcow2 reopen testsKevin Wolf
Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
2015-09-14qemu-iotests: Reopen qcow2 with lazy-refcounts changeKevin Wolf
Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
2015-09-14qcow2: Support updating driver-specific options in reopenKevin Wolf
For updating the cache sizes, disabling lazy refcounts and updating the clean_cache_timer there is a bit more to do than just changing the variables, but otherwise we're all set for changing options during bdrv_reopen(). Just implement the missing pieces and hook the functions up in bdrv_reopen(). Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
2015-09-14qcow2: Make qcow2_update_options() suitable for transactionsKevin Wolf
Before we can allow updating options at runtime with bdrv_reopen(), we need to split the function into prepare/commit/abort parts. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
2015-09-14qcow2: Fix memory leak in qcow2_update_options() error pathKevin Wolf
Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
2015-09-14qcow2: Leave s unchanged on qcow2_update_options() failureKevin Wolf
On return, either all new options should be applied to BDRVQcowState (on success), or all of the old settings should be preserved (on failure). Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
2015-09-14qcow2: Move rest of option handling to qcow2_update_options()Kevin Wolf
With this commit, the handling of driver-specific options in qcow2_open() is completely separated out into qcow2_update_options(). Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
2015-09-14qcow2: Move qcow2_update_options() call upKevin Wolf
qcow2_update_options() only updates some variables in BDRVQcowState and doesn't really depend on other parts of it being initialised yet, so it can be moved so that it immediately follows the other half of option handling code in qcow2_open(). Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
2015-09-14qcow2: Factor out qcow2_update_options()Kevin Wolf
Eventually we want to be able to change options at runtime. As a first step towards that goal, separate some option handling code from the general initialisation code in qcow2_open(). Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
2015-09-14qcow2: Improve error messageKevin Wolf
Eric says that "any" sounds better than "either", and my non-native feeling says the same, so let's change it. Suggested-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
2015-09-14qemu-io: Add command 'reopen'Kevin Wolf
Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
2015-09-14qemu-io: Remove duplicate 'open' error messageKevin Wolf
qemu_opts_parse_noisily() already prints an error message with the exact reason why the parsing failed. No need to add another less specific one. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
2015-09-14block: Allow specifying driver-specific options to reopenKevin Wolf
Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
2015-09-14qcow2: Rename BDRVQcowState to BDRVQcow2StateKevin Wolf
BDRVQcowState is already used by qcow1, and gdb is always confused which one to use. Rename the qcow2 one so they can be distinguished. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Alberto Garcia <berto@igalia.com>
2015-09-14block: Drop bdrv_find_whitelisted_format()Max Reitz
It is unused by now, so we can drop it. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Alberto Garcia <berto@igalia.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-09-14block: Drop drv parameter from bdrv_fill_options()Max Reitz
Now that this parameter is effectively unused, we can drop it and change the function accordingly. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Alberto Garcia <berto@igalia.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-09-14block: Drop drv parameter from bdrv_open_inherit()Max Reitz
Now that this parameter is effectively unused, we can drop it and just pass NULL to bdrv_fill_options(). Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Alberto Garcia <berto@igalia.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-09-14block: Drop drv parameter from bdrv_open()Max Reitz
Now that this parameter is effectively unused, we can drop it and just pass NULL on to bdrv_open_inherit(). Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Alberto Garcia <berto@igalia.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-09-14block: Always pass NULL as drv for bdrv_open()Max Reitz
Change all callers of bdrv_open() to pass the driver name in the options QDict instead of passing its BlockDriver pointer. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Alberto Garcia <berto@igalia.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-09-14Merge remote-tracking branch ↵Peter Maydell
'remotes/pmaydell/tags/pull-target-arm-20150914' into staging target-arm queue: * fix GIC region size in xlnx-zynqmp * xlnx-zynqmp: Remove unnecessary brackets * improve A64 generated TCG code * add GPIO devices to i.MX25 and i.MX31 * more missing pieces for EL2 support # gpg: Signature made Mon 14 Sep 2015 14:51:12 BST using RSA key ID 14360CDE # gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" # gpg: aka "Peter Maydell <pmaydell@gmail.com>" # gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" * remotes/pmaydell/tags/pull-target-arm-20150914: (24 commits) target-arm: Add VMPIDR_EL2 target-arm: Break out mpidr_read_val() target-arm: Add VPIDR_EL2 target-arm: Suppress EPD for S2, EL2 and EL3 translations target-arm: Suppress TBI for S2 translations target-arm: Add VTTBR_EL2 target-arm: Add VTCR_EL2 hw/cpu/{a15mpcore, a9mpcore}: Handle missing has_el3 CPU props gracefully i.MX: Add GPIO devices to i.MX25 SOC i.MX: Add GPIO devices to i.MX31 SOC i.MX: Add GPIO device target-arm: Use tcg_gen_extrh_i64_i32 target-arm: Recognize ROR target-arm: Eliminate unnecessary zero-extend in disas_bitfield target-arm: Recognize UXTB, UXTH, LSR, LSL target-arm: Recognize SXTB, SXTH, SXTW, ASR target-arm: Implement fcsel with movcond target-arm: Implement ccmp branchless target-arm: Use setcond and movcond for csel target-arm: Handle always condition codes within arm_test_cc ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-09-14target-arm: Add VMPIDR_EL2Edgar E. Iglesias
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Message-id: 1442135278-25281-9-git-send-email-edgar.iglesias@gmail.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-09-14target-arm: Break out mpidr_read_val()Edgar E. Iglesias
Break out mpidr_read_val() to allow future sharing of the code that conditionally sets the M and U bits of MPIDR. No functional changes. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Message-id: 1442135278-25281-8-git-send-email-edgar.iglesias@gmail.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-09-14target-arm: Add VPIDR_EL2Edgar E. Iglesias
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Message-id: 1442135278-25281-7-git-send-email-edgar.iglesias@gmail.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-09-14target-arm: Suppress EPD for S2, EL2 and EL3 translationsEdgar E. Iglesias
Stage-2 translations, EL2 and EL3 regimes don't have the EPD control. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Message-id: 1442135278-25281-6-git-send-email-edgar.iglesias@gmail.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-09-14target-arm: Suppress TBI for S2 translationsEdgar E. Iglesias
Stage-2 MMU translations do not have configurable TBI as the top byte is always 0 (48-bit IPAs). Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Message-id: 1442135278-25281-5-git-send-email-edgar.iglesias@gmail.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-09-14target-arm: Add VTTBR_EL2Edgar E. Iglesias
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Message-id: 1442135278-25281-4-git-send-email-edgar.iglesias@gmail.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-09-14target-arm: Add VTCR_EL2Edgar E. Iglesias
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Message-id: 1442135278-25281-3-git-send-email-edgar.iglesias@gmail.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> [PMM: fixed typo in comment] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-09-14hw/cpu/{a15mpcore, a9mpcore}: Handle missing has_el3 CPU props gracefullyEdgar E. Iglesias
Handle missing CPU support for EL3 gracefully. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Message-id: 1442135278-25281-2-git-send-email-edgar.iglesias@gmail.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-09-14i.MX: Add GPIO devices to i.MX25 SOCJean-Christophe Dubois
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net> Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com> Message-id: 2eb129ba8713aedfe877eaa3d8de80061d880fbb.1441828793.git.jcd@tribudubois.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-09-14i.MX: Add GPIO devices to i.MX31 SOCJean-Christophe Dubois
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net> Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com> Message-id: 60b67c9a8b948159f4b4163ead86fbf701c011c6.1441828793.git.jcd@tribudubois.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-09-14i.MX: Add GPIO deviceJean-Christophe Dubois
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net> Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com> Message-id: 5ea3b0021e47cf7f7d883a7edbabee44980f3df7.1441828793.git.jcd@tribudubois.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-09-14target-arm: Use tcg_gen_extrh_i64_i32Richard Henderson
Usually, eliminate an operation from the translator by combining a shift with an extract. In the case of gen_set_NZ64, we don't need a boolean value for cpu_ZF, merely a non-zero value. Given that we can extract both halves of a 64-bit input in one call, this simplifies the code. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net> Message-id: 1441909103-24666-12-git-send-email-rth@twiddle.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-09-14target-arm: Recognize RORRichard Henderson
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net> Message-id: 1441909103-24666-11-git-send-email-rth@twiddle.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-09-14target-arm: Eliminate unnecessary zero-extend in disas_bitfieldRichard Henderson
For !SF, this initial ext32u can't be optimized away by the current TCG code generator. (It would require backward bit liveness propagation.) But since the range of bits for !SF are already constrained by unallocated_encoding, we'll never reference the high bits anyway. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net> Message-id: 1441909103-24666-10-git-send-email-rth@twiddle.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-09-14target-arm: Recognize UXTB, UXTH, LSR, LSLRichard Henderson
These are all special case aliases of UBFM. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net> Message-id: 1441909103-24666-9-git-send-email-rth@twiddle.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-09-14target-arm: Recognize SXTB, SXTH, SXTW, ASRRichard Henderson
These are all special case aliases of SBFM. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net> Message-id: 1441909103-24666-8-git-send-email-rth@twiddle.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-09-14target-arm: Implement fcsel with movcondRichard Henderson
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net> Message-id: 1441909103-24666-7-git-send-email-rth@twiddle.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-09-14target-arm: Implement ccmp branchlessRichard Henderson
This can allow much of a ccmp to be elided when particular flags are subsequently dead. Signed-off-by: Richard Henderson <rth@twiddle.net> Message-id: 1441909103-24666-6-git-send-email-rth@twiddle.net Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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