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2015-09-23spapr: Support ibm,dynamic-reconfiguration-memoryBharata B Rao1-1/+14
Parse ibm,architecture.vec table obtained from the guest and enable memory node configuration via ibm,dynamic-reconfiguration-memory if guest supports it. This is in preparation to support memory hotplug for sPAPR guests. This changes the way memory node configuration is done. Currently all memory nodes are built upfront. But after this patch, only memory@0 node for RMA is built upfront. Guest kernel boots with just that and rest of the memory nodes (via memory@XXX or ibm,dynamic-reconfiguration-memory) are built when guest does ibm,client-architecture-support call. Note: This patch needs a SLOF enhancement which is already part of SLOF binary in QEMU. Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2015-09-23spapr: Add LMB DR connectorsDavid Gibson1-0/+1
Enable memory hotplug for pseries 2.4 and add LMB DR connectors. With memory hotplug, enforce RAM size, NUMA node memory size and maxmem to be a multiple of SPAPR_MEMORY_BLOCK_SIZE (256M) since that's the granularity in which LMBs are represented and hot-added. LMB DR connectors will be used by the memory hotplug code. Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> [spapr_drc_reset implementation] [since this missed the 2.4 cutoff, changing to only enable for 2.5] Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2015-09-23spapr_drc: use RTAS return codes for methods called by RTASMichael Roth1-7/+7
Certain methods in sPAPRDRConnector objects are only ever called by RTAS and in many cases are responsible for the logic that determines the RTAS return codes. Rather than having a level of indirection requiring RTAS code to re-interpret return values from such methods to determine the appropriate return code, just pass them through directly. This requires changing method return types to uint32_t to match the type of values currently passed to RTAS helpers. In the case of read accesses like drc->entity_sense() where we weren't previously reporting any errors, just the read value, we modify the function to return RTAS return code, and pass the read value back via reference. Suggested-by: Bharata B Rao <bharata@linux.vnet.ibm.com> Suggested-by: David Gibson <david@gibson.dropbear.id.au> Cc: Bharata B Rao <bharata@linux.vnet.ibm.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2015-09-23spapr: Initialize hotplug memory address spaceBharata B Rao1-0/+12
Initialize a hotplug memory region under which all the hotplugged memory is accommodated. Also enable memory hotplug by setting CONFIG_MEM_HOTPLUG. Modelled on i386 memory hotplug. Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2015-09-23spapr_drc: don't allow 'empty' DRCs to be unisolated or allocatedMichael Roth1-0/+1
Logical resources start with allocation-state:UNUSABLE / isolation-state:ISOLATED. During hotplug, guests will transition them to allocation-state:USABLE, and then to isolation-state:UNISOLATED. For cases where we cannot transition to allocation-state:USABLE, in this case due to no device/resource being association with the logical DRC, we should return an error -3. For physical DRCs, we default to allocation-state:USABLE and stay there, so in this case we should report an error -3 when the guest attempts to make the isolation-state:ISOLATED transition for a DRC with no device associated. These are as documented in PAPR 2.7, 13.5.3.4. We also ensure allocation-state:USABLE when the guest attempts transition to isolation-state:UNISOLATED to deal with misbehaving guests attempting to bring online an unallocated logical resource. This is as documented in PAPR 2.7, 13.7. Currently we implement no such error logic. Fix this by handling these error cases as PAPR defines. Cc: Bharata B Rao <bharata@linux.vnet.ibm.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2015-09-23sPAPR: Introduce rtas_ldq()Gavin Shan1-0/+5
This introduces rtas_ldq() to load 64-bits parameter from continuous two 4-bytes memory chunk of RTAS parameter buffer, to simplify the code. Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2015-09-23spapr_rtas: Prevent QEMU crash during hotplug without a prior device_addBharata B Rao1-7/+8
If drmgr is used in the guest to hotplug a device before a device_add has been issued via the QEMU monitor, QEMU segfaults in configure_connector call. This occurs due to accessing of NULL FDT which otherwise would have been created and associated with the DRC during device_add command. Check for NULL FDT and return failure from configure_connector call. As per PAPR+, an error value of -9003 seems appropriate for this failure. Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com> Cc: Michael Roth <mdroth@linux.vnet.ibm.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2015-09-23ppc/spapr: Use qemu_log_mask() for hcall_dprintf()Thomas Huth1-8/+3
To see the output of the hcall_dprintf statements, you currently have to enable the DEBUG_SPAPR_HCALLS macro in include/hw/ppc/spapr.h. This is ugly because a) not every user who wants to debug guest problems can or wants to recompile QEMU to be able to see such issues, and b) since this macro is disabled by default, the code in the hcall_dprintf() brackets tends to bitrot until somebody temporarily enables that macro again. Since the hcall_dprintf statements except one indicate guest problems, let's always use qemu_log_mask(LOG_GUEST_ERROR, ...) for this macro instead. One spot indicated an unimplemented host feature, so this is changed into qemu_log_mask(LOG_UNIMP, ...) instead. Now it's possible to see all those messages by simply adding the CLI parameter "-d guest_errors,unimp", without the need to re-compile the binary. Signed-off-by: Thomas Huth <thuth@redhat.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2015-09-21qom: Don't use 'gen': false for qom-get, qom-set, object-addMarkus Armbruster1-3/+0
With the previous commit, the generated marshalers just work, and save us a bit of handwritten code. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <1442401589-24189-23-git-send-email-armbru@redhat.com>
2015-09-21qapi: Introduce a first class 'any' typeMarkus Armbruster2-0/+3
It's first class, because unlike '**', it actually works, i.e. doesn't require 'gen': false. '**' will go away next. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
2015-09-19machine: Eliminate QEMUMachine and qemu_register_machine()Eduardo Habkost4-30/+2
The struct is not used anymore and can be eliminated. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-09-19machine: DEFINE_MACHINE() macroEduardo Habkost1-0/+17
The macro will allow easy registration of a TYPE_MACHINE subclass, using only the machine name and a MachineClass initialization function as parameter. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-09-19machine: MACHINE_TYPE_NAME macroEduardo Habkost1-0/+6
The macro will be useful to ensure the machine class names follow the right format to make machine class lookup by class name work correctly. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Marcel Apfelbaum <marcel@redhat.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-09-18error: New error_fatalMarkus Armbruster1-0/+11
Similar to error_abort, but doesn't report where the error was created, and terminates the process with exit(1) rather than abort(). Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1441983105-26376-2-git-send-email-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
2015-09-18hmp: Allow for error message hints on HMPEric Blake1-0/+7
Commits 7216ae3d and d2828429 disabled some error message hints, all because a change to use modern error reporting meant that the hint would be output prior to the actual error. Fix this by making hints a first-class member of Error. For example, we are now back to the pleasant: $ qemu-system-x86_64 --nodefaults -S --vnc :0 --chardev null,id=, qemu-system-x86_64: --chardev null,id=,: Parameter 'id' expects an identifier Identifiers consist of letters, digits, '-', '.', '_', starting with a letter. Signed-off-by: Eric Blake <eblake@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <1441901956-21991-1-git-send-email-eblake@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2015-09-16Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into stagingPeter Maydell8-113/+607
* Linux header update and cleanup * Support for HyperV crash report * Cleanup of target-specific HMP commands * Multiarch batch * Checkpatch fix for Perl 5.22 * NBD fix * Revert incorrect commit 5243722376 # gpg: Signature made Wed 16 Sep 2015 16:39:01 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: (24 commits) nbd: release exp->blk after all clients are closed checkpatch: Escape left braces in regex monitor: uninclude cpu_ldst include/exec: Move cputlb exec.c defs out cputlb: Change tlb_set_dirty() arg to cpu cputlb: move CPU_LOOP() for tlb_reset() to exec.c translate: move real_host_page setting to -common tcg: Move tci_tb_ptr to -common tcg: split tcg_op_defs to -common translate-all: Move tcg_handle_interrupt() to -common cpu-exec: Migrate some generic fns to cpu-exec-common qemu-char: Use g_new() & friends where that makes obvious sense monitor: added generation of documentation for hmp-commands-info.hx hmp-commands.hx: fix end of table info monitor: remove target-specific code from monitor.c hmp-commands-info: move info_cmds content out of monitor.c i386/kvm: Hyper-v crash msrs set/get'ers and migration kvm: Add kvm system event crash handler cpu: Add crash_occurred flag into CPUState target-i386: move asm-x86/hyperv.h to standard-headers ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-09-16include/exec: Move cputlb exec.c defs outPeter Crosthwaite2-16/+18
Move the architecture agnostic function prototypes for exec.c out of cputlb.h to exec-all.h. This allows hiding of the arch specific cputlb.h from exec.c which should be getting close to having no architecture specifics. Prepares support for multi-arch, which will have a minimal cpu.h that services exec.c but not cputlb.h. Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com> Message-Id: <b4fe754c58c860315e35d44430c26b1c967ce2c9.1441614289.git.crosthwaite.peter@gmail.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-09-16cputlb: Change tlb_set_dirty() arg to cpuPeter Crosthwaite1-1/+1
Change tlb_set_dirty() to accept a CPU instead of an env pointer. This allows for removal of another CPUArchState usage from prototypes that need to be QOMified. Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com> Message-Id: <d2b1dcbe7945112989861d8ba7369449c11cc273.1441614289.git.crosthwaite.peter@gmail.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-09-16cputlb: move CPU_LOOP() for tlb_reset() to exec.cPeter Crosthwaite1-1/+1
To prepare for multi-arch, cputlb.c should only have awareness of one single architecture. This means it should not have access to the full CPU lists which may be heterogeneous. Instead, push the CPU_LOOP() up to the one and only caller in exec.c. Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com> Message-Id: <db06dc6c49f8970caaf116d0385f00ee10a56f2f.1441614289.git.crosthwaite.peter@gmail.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-09-16monitor: remove target-specific code from monitor.cPavel Butsykin2-0/+46
Move target-specific code out of /monitor.c to /target-*/monitor.c, this will avoid code cluttering and using random ifdeffery. The solution is quite simple, but solves the issue of the separation of target-specific code from monitor. Signed-off-by: Pavel Butsykin <pbutsykin@virtuozzo.com> Signed-off-by: Denis V. Lunev <den@openvz.org> CC: Paolo Bonzini <pbonzini@redhat.com> CC: Peter Maydell <peter.maydell@linaro.org> Message-Id: <1441899541-1856-3-git-send-email-den@openvz.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-09-16cpu: Add crash_occurred flag into CPUStateAndrey Smetanin1-0/+2
CPUState::crash_occurred field inside CPUState marks that guest crash occurred. This value is added into cpu common migration subsection. Signed-off-by: Andrey Smetanin <asmetanin@virtuozzo.com> Signed-off-by: Denis V. Lunev <den@openvz.org> CC: Paolo Bonzini <pbonzini@redhat.com> CC: Andreas Färber <afaerber@suse.de> Message-Id: <1435924905-8926-12-git-send-email-den@openvz.org> [Document the new field. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-09-16target-i386: move asm-x86/hyperv.h to standard-headersPaolo Bonzini1-0/+254
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 to 4.3-rc1Paolo Bonzini2-97/+287
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>
2015-09-15Merge remote-tracking branch 'remotes/rth/tags/pull-tile-20150915' into stagingPeter Maydell2-0/+79
TileGX basic instructions # gpg: Signature made Tue 15 Sep 2015 15:57:08 BST using RSA key ID 4DD0279B # gpg: Good signature from "Richard Henderson <rth7680@gmail.com>" # gpg: aka "Richard Henderson <rth@redhat.com>" # gpg: aka "Richard Henderson <rth@twiddle.net>" * remotes/rth/tags/pull-tile-20150915: (35 commits) target-tilegx: Handle v1shl, v1shru, v1shrs target-tilegx: Handle v1shli, v1shrui target-tilegx: Handle v4int_l/h target-tilegx: Handle atomic instructions target-tilegx: Handle mtspr, mfspr target-tilegx: Handle v1cmpeq, v1cmpne target-tilegx: Handle mask instructions target-tilegx: Handle scalar multiply instructions target-tilegx: Handle conditional move instructions target-tilegx: Handle shift instructions target-tilegx: Handle bitfield instructions target-tilegx: Implement system and memory management instructions target-tilegx: Handle comparison instructions target-tilegx: Handle conditional branch instructions target-tilegx: Handle unconditional jump instructions target-tilegx: Handle post-increment load and store instructions target-tilegx: Handle basic load and store instructions target-tilegx: Handle most bit manipulation instructions target-arm: Use new revbit functions host-utils: Add revbit functions ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-09-15host-utils: Add revbit functionsRichard Henderson1-0/+77
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-09-15linux-user: Support tilegx architecture in linux-userChen Gang1-0/+2
Add main working flow feature, system call processing feature, and elf64 tilegx binary loading feature, based on Linux kernel tilegx 64-bit implementation. [rth: Moved all of the implementation of atomic instructions to a later patch.] Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-Id: <BLU436-SMTP938552D42808AA60634582B9660@phx.gbl> Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-09-15crypto: introduce new module for handling TLS sessionsDaniel P. Berrange1-0/+322
Introduce a QCryptoTLSSession object that will encapsulate all the code for setting up and using a client/sever TLS session. This isolates the code which depends on the gnutls library, avoiding #ifdefs in the rest of the codebase, as well as facilitating any possible future port to other TLS libraries, if desired. It makes use of the previously defined QCryptoTLSCreds object to access credentials to use with the session. It also includes further unit tests to validate the correctness of the TLS session handshake and certificate validation. This is functionally equivalent to the current TLS session handling code embedded in the VNC server, and will obsolete it. Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2015-09-15crypto: add sanity checking of TLS x509 credentialsDaniel P. Berrange1-0/+1
If the administrator incorrectly sets up their x509 certificates, the errors seen at runtime during connection attempts are very obscure and difficult to diagnose. This has been a particular problem for people using openssl to generate their certificates instead of the gnutls certtool, because the openssl tools don't turn on the various x509 extensions that gnutls expects to be present by default. This change thus adds support in the TLS credentials object to sanity check the certificates when QEMU first loads them. This gives the administrator immediate feedback for the majority of common configuration mistakes, reducing the pain involved in setting up TLS. The code is derived from equivalent code that has been part of libvirt's TLS support and has been seen to be valuable in assisting admins. It is possible to disable the sanity checking, however, via the new 'sanity-check' property on the tls-creds object type, with a value of 'no'. Unit tests are included in this change to verify the correctness of the sanity checking code in all the key scenarios it is intended to cope with. As part of the test suite, the pkix_asn1_tab.c from gnutls is imported. This file is intentionally copied from the (long since obsolete) gnutls 1.6.3 source tree, since that version was still under GPLv2+, rather than the GPLv3+ of gnutls >= 2.0. Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2015-09-15crypto: introduce new module for TLS x509 credentialsDaniel P. Berrange1-0/+112
Introduce a QCryptoTLSCredsX509 class which is used to manage x509 certificate TLS credentials. This will be the preferred credential type offering strong security characteristics Example CLI configuration: $QEMU -object tls-creds-x509,id=tls0,endpoint=server,\ dir=/path/to/creds/dir,verify-peer=yes The 'id' value in the -object args will be used to associate the credentials with the network services. For example, when the VNC server is later converted it would use $QEMU -object tls-creds-x509,id=tls0,.... \ -vnc 127.0.0.1:1,tls-creds=tls0 Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2015-09-15crypto: introduce new module for TLS anonymous credentialsDaniel P. Berrange1-0/+112
Introduce a QCryptoTLSCredsAnon class which is used to manage anonymous TLS credentials. Use of this class is generally discouraged since it does not offer strong security, but it is required for backwards compatibility with the current VNC server implementation. Simple example CLI configuration: $QEMU -object tls-creds-anon,id=tls0,endpoint=server Example using pre-created diffie-hellman parameters $QEMU -object tls-creds-anon,id=tls0,endpoint=server,\ dir=/path/to/creds/dir The 'id' value in the -object args will be used to associate the credentials with the network services. For example, when the VNC server is later converted it would use $QEMU -object tls-creds-anon,id=tls0,.... \ -vnc 127.0.0.1:1,tls-creds=tls0 Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2015-09-15crypto: introduce new base module for TLS credentialsDaniel P. Berrange1-0/+68
Introduce a QCryptoTLSCreds class to act as the base class for storing TLS credentials. This will be later subclassed to provide handling of anonymous and x509 credential types. The subclasses will be user creatable objects, so instances can be created & deleted via 'object-add' and 'object-del' QMP commands respectively, or via the -object command line arg. If the credentials cannot be initialized an error will be reported as a QMP reply, or on stderr respectively. The idea is to make it possible to represent and manage TLS credentials independently of the network service that is using them. This will enable multiple services to use the same set of credentials and minimize code duplication. A later patch will convert the current VNC server TLS code over to use this object. The representation of credentials will be functionally equivalent to that currently implemented in the VNC server with one exception. The new code has the ability to (optionally) load a pre-generated set of diffie-hellman parameters, if the file dh-params.pem exists, whereas the current VNC server will always generate them on startup. This is beneficial for admins who wish to avoid the (small) time sink of generating DH parameters at startup and/or avoid depleting entropy. Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2015-09-14Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into stagingPeter Maydell1-5/+4
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>
2015-09-14Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into stagingPeter Maydell12-161/+76
* 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>
2015-09-14block: Allow specifying driver-specific options to reopenKevin Wolf1-1/+3
Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
2015-09-14block: Drop bdrv_find_whitelisted_format()Max Reitz1-2/+0
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_open()Max Reitz1-2/+1
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>
2015-09-14i.MX: Add GPIO devices to i.MX25 SOCJean-Christophe Dubois1-0/+15
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 Dubois1-0/+12
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 Dubois1-0/+62
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>
2015-09-14arm: xlnx-zynqmp: Fix up GIC region sizeNathan Rossi1-1/+1
The GIC in ZynqMP cover a 64K address space, however the actual registers are decoded within a 4K address space and mirrored at the 4K boundaries. This change fixes the defined size for these regions as it was set to 0x4000/16K incorrectly. Signed-off-by: Nathan Rossi <nathan@nathanrossi.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Message-id: 1441719672-25296-1-git-send-email-nathan@nathanrossi.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-09-11cpu-exec: introduce loop exit with restore functionPavel Dovgalyuk1-0/+1
This patch introduces loop exit function, which also restores guest CPU state according to the value of host program counter. Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru> Message-Id: <20150710095702.13280.97477.stgit@PASHA-ISP> Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-09-11softmmu: remove now unused functionsPavel Dovgalyuk1-19/+0
Now that the cpu_ld/st_* function directly call helper_ret_ld/st, we can drop the old helper_ld/st functions. Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru> Message-Id: <20150710095656.13280.7085.stgit@PASHA-ISP> Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-09-11softmmu: add helper function to pass through retaddrPavel Dovgalyuk2-8/+76
This patch introduces several helpers to pass return address which points to the TB. Correct return address allows correct restoring of the guest PC and icount. These functions should be used when helpers embedded into TB invoke memory operations. Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru> Message-Id: <20150710095650.13280.32255.stgit@PASHA-ISP> Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-09-11tlb: Add "ifetch" argument to cpu_mmu_index()Benjamin Herrenschmidt1-2/+2
This is set to true when the index is for an instruction fetch translation. The core get_page_addr_code() sets it, as do the SOFTMMU_CODE_ACCESS acessors. All targets ignore it for now, and all other callers pass "false". This will allow targets who wish to split the mmu index between instruction and data accesses to do so. A subsequent patch will do just that for PowerPC. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Message-Id: <1439796853-4410-2-git-send-email-benh@kernel.crashing.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-09-11typofixes - v4Veres Lajos2-2/+2
Signed-off-by: Veres Lajos <vlajos@gmail.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-09-11maint: remove / fix many doubled wordsDaniel P. Berrange2-2/+2
Many source files have doubled words (eg "the the", "to to", and so on). Most of these can simply be removed, but a couple were actual mis-spellings (eg "to to" instead of "to do"). There was even one triple word score "to to to" :-) Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-09-10Merge remote-tracking branch 'remotes/sstabellini/tags/xen-2015-09-10-tag' ↵Peter Maydell4-2/+69
into staging xen-2015-09-10 # gpg: Signature made Thu 10 Sep 2015 17:52:08 BST using RSA key ID 70E1AE90 # gpg: Good signature from "Stefano Stabellini <stefano.stabellini@eu.citrix.com>" * remotes/sstabellini/tags/xen-2015-09-10-tag: (29 commits) xen/pt: Don't slurp wholesale the PCI configuration registers xen/pt: Check for return values for xen_host_pci_[get|set] in init xen/pt: Move bulk of xen_pt_unregister_device in its own routine. xen/pt: Make xen_pt_unregister_device idempotent xen/pt: Log xen_host_pci_get/set errors in MSI code. xen/pt: Log xen_host_pci_get in two init functions xen/pt: Remove XenPTReg->data field. xen/pt: Check if reg->init function sets the 'data' past the reg->size xen/pt: Sync up the dev.config and data values. xen/pt: Use xen_host_pci_get_[byte|word] instead of dev.config xen/pt: Use XEN_PT_LOG properly to guard against compiler warnings. xen/pt/msi: Add the register value when printing logging and error messages xen: use errno instead of rc for xc_domain_add_to_physmap xen/pt: xen_host_pci_config_read returns -errno, not -1 on failure xen/pt: Make xen_pt_msi_set_enable static xen/pt: Update comments with proper function name. xen/HVM: atomically access pointers in bufioreq handling xen-hvm: When using xc_domain_add_to_physmap also include errno when reporting xen, gfx passthrough: add opregion mapping xen, gfx passthrough: register host bridge specific to passthrough ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-09-10Merge remote-tracking branch 'remotes/armbru/tags/pull-error-2015-09-10' ↵Peter Maydell1-58/+152
into staging error: On abort, report where the error was created # gpg: Signature made Thu 10 Sep 2015 13:01:39 BST using RSA key ID EB918653 # gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" # gpg: aka "Markus Armbruster <armbru@pond.sub.org>" * remotes/armbru/tags/pull-error-2015-09-10: error: On abort, report where the error was created error: Revamp interface documentation error: error_set_errno() is unused, drop qga/vss-win32: Document the DLL requires non-null errp qga: Clean up unnecessarily dirty casts error: Make error_setg() a function error: De-duplicate code creating Error objects Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-09-10xen: use errno instead of rc for xc_domain_add_to_physmapKonrad Rzeszutek Wilk1-0/+22
In Xen 4.6 commit cd2f100f0f61b3f333d52d1737dd73f02daee592 "libxc: Fix do_memory_op to return negative value on errors" made the libxc API less odd-ball: On errors, return value is -1 and error code is in errno. On success the return value is either 0 or an positive value. Since we could be running with an old toolstack in which the Exx value is in rc or the newer, we add an wrapper around the xc_domain_add_to_physmap (called xen_xc_domain_add_to_physmap) which will always return the EXX. Xen 4.6 did not change the libxc functions mentioned (same parameters) so we piggyback on the fact that Xen 4.6 has a new function: commit 504ed2053362381ac01b98db9313454488b7db40 "tools/libxc: Expose new hypercall xc_reserved_device_memory_map" and check for that. Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Suggested-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
2015-09-10xen/HVM: atomically access pointers in bufioreq handlingJan Beulich1-1/+11
The number of slots per page being 511 (i.e. not a power of two) means that the (32-bit) read and write indexes going beyond 2^32 will likely disturb operation. The hypervisor side gets I/O req server creation extended so we can indicate that we're using suitable atomic accesses where needed, allowing it to atomically canonicalize both pointers when both have gone through at least one cycle. The Xen side counterpart (which is not a functional prereq to this change, albeit a build one) went in already (commit b7007bc6f9). Signed-off-by: Jan Beulich <jbeulich@suse.com> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
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