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2013-07-22linux-user: Add missing 'break' in i386 get_thread_area syscallPeter Maydell
The i386 code for the get_thread_area syscall was missing a 'break' which meant it would have fallen through into the implementation of the following syscall; add it. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2013-07-22linux-user: Enable NPTL for m68kPeter Maydell
For m68k, per-thread data is a purely kernel construct with no CPU level support. Implement it via a field in the TaskState structure, used by cpu_set_tls() and the set_thread_area/get_thread_area syscalls. This allows us to enable compilation with NPTL. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2013-07-22linux-user: Enable NPTL for SPARC targetsPeter Maydell
Provide the missing cpu_set_tls(), and resolve the FIXME in cpu_clone_regs() by clearing the carry flag for the child. This allows us to turn on building with NPTL for SPARC. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2013-07-22linux-user: Enable NPTL for OpenRISCPeter Maydell
The OpenRISC kernel ignores CLONE_SETTLS in its copy_thread() implementation, so a cpu_set_tls() implementation is a no-op. cpu_clone_regs() was setting the syscall return value in the wrong register -- it is gpr[11], not gpr[2]. With these two things fixed, we can compile with NPTL enabled. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Jia Liu <proljc@gmail.com> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2013-07-22linux-user: Move includes of target-specific headers to end of qemu.hPeter Maydell
The target-specific headers (target_cpu.h and target_signal.h) might need to use the target-independent structure and function definitions of qemu.h; so include them only at the bottom of qemu.h, not the top. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2013-07-22configure: Enable threading for unicore32-linux-userPeter Maydell
unicore32-linux-user provides cpu_set_tls(), so the failure to enable target_nptl was presumably an oversight. Enable it. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2013-07-22configure: Enable threading on all ppc and mips linux-user targetsPeter Maydell
Though threading (target_nptl) was enabled on the base PPC and MIPS targets, it wasn't enabled for the variants mipsn32, mipsn32el, mips64, mips64el, ppc64 or ppc46abi32 (probably an oversight). Enable threading consistently on all these targets. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2013-07-22configure: Don't say target_nptl="no" if there is no linux-user targetPeter Maydell
For architectures with no linux-user target, don't claim no NPTL support. This has no behavioural change, but it means that we won't accidentally add a new linux-user target without threading support in future (because attempting to do so would be a compile failure rather than a silent lack of support). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2013-07-22configure: Flip default of target_nptlPeter Maydell
Most targets either (a) support threading or (b) don't have a linux-user/bsd-user target, so make it default to 'yes', with those targets that don't support threading having to specifically say so. This is a mechanical no-behaviour-change commit; some of the "no" entries it adds will be taken out in later patches. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2013-07-22Merge remote-tracking branch 'pmaydell/tags/pull-arm-devs-20130722' into stagingAnthony Liguori
arm-devs queue # gpg: Signature made Mon 22 Jul 2013 06:38:52 AM CDT using RSA key ID 14360CDE # gpg: Can't check signature: public key not found # By Peter Maydell (8) and Soren Brinkmann (2) # Via Peter Maydell * pmaydell/tags/pull-arm-devs-20130722: hw/arm: Use 'load_ramdisk()' for loading ramdisks w/ U-Boot header hw/loader: Support ramdisk with u-boot header vexpress: Add virtio-mmio transports vexpress: Make VEDBoardInfo extend arm_boot_info arm/boot: Allow boards to modify the FDT blob virtio: Implement MMIO based virtio transport virtio: Support transports which can specify the vring alignment virtio: Add support for guest setting of queue size arm/boot: Use qemu_devtree_setprop_sized_cells() device_tree: Add qemu_devtree_setprop_sized_cells() utility functions Message-id: 1374493427-3254-1-git-send-email-peter.maydell@linaro.org Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-22Merge remote-tracking branch 'bonzini/iommu-for-anthony' into stagingAnthony Liguori
# By Paolo Bonzini (2) and others # Via Paolo Bonzini * bonzini/iommu-for-anthony: exec: fix incorrect assumptions in memory_access_size memory: Return -1 again on reads from unsigned regions memory: actually set the owner exec.c: Pass correct pointer type to qemu_ram_ptr_length Message-id: 1374264478-23913-1-git-send-email-pbonzini@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-22Merge remote-tracking branch 'mjt/trivial-patches' into stagingAnthony Liguori
# By Michael Tokarev (2) and others # Via Michael Tokarev * mjt/trivial-patches: doc: monitor multiplexing rewording block/m25p80: Update Micron entries Fix command example in qemu.sasl slirp: remove mbuf(m_hdr,m_dat) indirection linux-user: declare sys_futex to have 6 arguments Message-id: 1374225073-12959-1-git-send-email-mjt@msgid.tls.msk.ru Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-22Merge remote-tracking branch 'stefanha/block' into stagingAnthony Liguori
# By Peter Lieven (5) and others # Via Stefan Hajnoczi * stefanha/block: block/raw: add .bdrv_get_info block: fix bdrv_read_unthrottled() cpus: Let vm_stop[_force_state]() always flush block devices block-migration: efficiently encode zero blocks block/raw: add bdrv_co_write_zeroes block: add bdrv_write_zeroes() block: fix vvfat error path for enable_write_target QEMUBH: make AioContext's bh re-entrant dataplane: sync virtio.c and vring.c virtqueue state gluster: Add discard support for GlusterFS block driver. gluster: Use pkg-config to configure GlusterFS block driver Message-id: 1374223132-29107-1-git-send-email-stefanha@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-22Merge remote-tracking branch 'rth/axp-next' into stagingAnthony Liguori
# By Richard Henderson # Via Richard Henderson * rth/axp-next: pc-bios: Update palcode-clipper target-alpha: Move alarm to vm_clock Message-id: 1374161033-11449-1-git-send-email-rth@twiddle.net Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-22Merge remote-tracking branch 'stefanha/tracing' into stagingAnthony Liguori
# By Markus Armbruster # Via Stefan Hajnoczi * stefanha/tracing: trace-events: Fix up source file comments trace-events: Drop unused events milkymist-minimac2: Fix minimac2_read/_write tracepoints slavio_misc: Fix slavio_led_mem_readw/_writew tracepoints cleanup-trace-events.pl: New Message-id: 1374119369-26496-1-git-send-email-stefanha@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-22hw/arm: Use 'load_ramdisk()' for loading ramdisks w/ U-Boot headerSoren Brinkmann
The load_ramdisk function is used to load ramdisk featuring a U-Boot header. Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1373323202-17083-3-git-send-email-soren.brinkmann@xilinx.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2013-07-22hw/loader: Support ramdisk with u-boot headerSoren Brinkmann
Introduce 'load_ramdisk()' which can load "normal" ramdisks and ramdisks with a u-boot header. To enable this and leverage synergies 'load_uimage()' is refactored to accomodate this additional use case. Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1373323202-17083-2-git-send-email-soren.brinkmann@xilinx.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2013-07-19vexpress: Add virtio-mmio transportsPeter Maydell
Add some virtio-mmio transports to the vexpress board model, together with a modify_dtb hook which adds them to the device tree so that the kernel will probe for them. We put them in a reserved area of the address map. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1373977512-28932-9-git-send-email-peter.maydell@linaro.org
2013-07-19vexpress: Make VEDBoardInfo extend arm_boot_infoPeter Maydell
Make the VEDBoardInfo struct extend arm_boot_info; this will allow us to get at the VEDBoardInfo information inside callbacks from arm/boot code. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1373977512-28932-8-git-send-email-peter.maydell@linaro.org
2013-07-19arm/boot: Allow boards to modify the FDT blobPeter Maydell
Add a callback hook in arm_boot_info to allow board models to modify the device tree blob if they need to. (The major expected use case is to add virtio-mmio nodes for virtio-mmio transports that exist in QEMU but not in the hardware.) Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1373977512-28932-7-git-send-email-peter.maydell@linaro.org
2013-07-19virtio: Implement MMIO based virtio transportPeter Maydell
Add support for the generic MMIO based virtio transport. This patch includes some fixes for bugs spotted by Ying-Shiuan Pan <yspan@itri.org.tw>. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com> Message-id: 1373977512-28932-6-git-send-email-peter.maydell@linaro.org [Fred changes: updated to new virtio-bus mechanisms] Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com> [PMM changes: * fixed trivial makefile conflict * removed unused int_enable * host_features doesn't need migrating * reset guest accessible state in the reset function * minor style fixes like extra blank lines * RAZ/WI if there's no backend * made transport size 0x200, in line with kvmtool * set has_variable_vring_alignment ]
2013-07-19virtio: Support transports which can specify the vring alignmentPeter Maydell
Support virtio transports which can specify the vring alignment (ie where the guest communicates this to the host) by providing a new virtio_queue_set_align() function. (The default alignment remains as before.) Transports which wish to make use of this must set the has_variable_vring_alignment field in their VirtioBusClass struct to true; they can then change the alignment via virtio_queue_set_align(). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1373977512-28932-5-git-send-email-peter.maydell@linaro.org
2013-07-19virtio: Add support for guest setting of queue sizePeter Maydell
The MMIO virtio transport spec allows the guest to tell the host how large the queue size is. Add virtio_queue_set_num() function which implements this in the QEMU common virtio support code. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1373977512-28932-4-git-send-email-peter.maydell@linaro.org
2013-07-19arm/boot: Use qemu_devtree_setprop_sized_cells()Peter Maydell
Replace the opencoded assembly of the reg property array for the /memory node with a call to qemu_devtree_setprop_sized_cells(). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Message-id: 1373977512-28932-3-git-send-email-peter.maydell@linaro.org
2013-07-19device_tree: Add qemu_devtree_setprop_sized_cells() utility functionsPeter Maydell
We already have a qemu_devtree_setprop_cells() which sets a dtb property to an array of cells whose values are specified by varargs. However for the fairly common case of setting a property to a list of addresses or of address,size pairs the number of cells used by each element in the list depends on the parent's #address-cells and #size-cells properties. To make this easier we provide an analogous qemu_devtree_setprop_sized_cells() macro which allows the number of cells used by each element to be specified. This is implemented using an underlying qemu_devtree_setprop_sized_cells_from_array() function which takes the values and sizes as an array; this may also be directly useful for cases where the cell contents are constructed programmatically. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Message-id: 1373977512-28932-2-git-send-email-peter.maydell@linaro.org
2013-07-19doc: monitor multiplexing rewordingMichael Tokarev
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-07-19block/m25p80: Update Micron entriesEd Maste
- Split 32Mb and 256Mb parts into a11 and a13 variants. - Add the 4K sector flag to the 128Mb parts. (These entries were taken from the Linux kernel list, which is missing the flag.) - Fill out the table of sizes with entries for 64Mb parts. Prodded by Peter Crosthwaite. Signed-off-by: Ed Maste <emaste@freebsd.org> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-07-19Fix command example in qemu.saslCole Robinson
sasldblistusers2 doesn't have a '-a' option Signed-off-by: Cole Robinson <crobinso@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-07-19slirp: remove mbuf(m_hdr,m_dat) indirectionMichael Tokarev
2013-07-19linux-user: declare sys_futex to have 6 argumentsPetar Jovanovic
sys_futex has 6 arguments, and all of these need to be copied. Fix incorrect declaration in the mips_syscall_args array. This change fixes the cases where the 5th and 6th arguments have non-zero value and have importance. An example is a Linux implementation of pthread_cond_wait() function. Signed-off-by: Petar Jovanovic <petar.jovanovic@imgtec.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-07-19block/raw: add .bdrv_get_infoPeter Lieven
Signed-off-by: Peter Lieven <pl@kamp.de> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-07-19block: fix bdrv_read_unthrottled()Peter Lieven
Signed-off-by: Peter Lieven <pl@kamp.de> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-07-19cpus: Let vm_stop[_force_state]() always flush block devicesKevin Wolf
Even if the VM is already stopped, we cannot assume that all data has already been successfully flushed to disk. The flush during the previous vm_stop() could have failed. Run bdrv_flush_all() unconditionally so that we get an error each time if the block device isn't really flushed. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-07-19block-migration: efficiently encode zero blocksPeter Lieven
this patch adds a efficient encoding for zero blocks by adding a new flag indicating a block is completely zero. additionally bdrv_write_zeros() is used at the destination to efficiently write these zeroes. depending on the implementation this avoids that the destination target gets fully provisioned. Signed-off-by: Peter Lieven <pl@kamp.de> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-07-19block/raw: add bdrv_co_write_zeroesPeter Lieven
Signed-off-by: Peter Lieven <pl@kamp.de> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-07-19block: add bdrv_write_zeroes()Peter Lieven
Signed-off-by: Peter Lieven <pl@kamp.de> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-07-19block: fix vvfat error path for enable_write_targetFam Zheng
s->qcow and s->qcow_filename are allocated but not freed on error. Fix the possible leaks, remove unnecessary check for bdrv_new(), propagate ret code of bdrv_create() and also the one of enable_write_target(). Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-07-19QEMUBH: make AioContext's bh re-entrantLiu Ping Fan
BH will be used outside big lock, so introduce lock to protect between the writers, ie, bh's adders and deleter. The lock only affects the writers and bh's callback does not take this extra lock. Note that for the same AioContext, aio_bh_poll() can not run in parallel yet. Signed-off-by: Liu Ping Fan <pingfank@linux.vnet.ibm.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-07-19dataplane: sync virtio.c and vring.c virtqueue stateStefan Hajnoczi
Load the virtio.c state into vring.c when we start dataplane mode and vice versa when stopping dataplane mode. This patch makes it possible to start and stop dataplane any time while the guest is running. This will eventually allow us to go back to QEMU main loop for bdrv_drain_all() and live migration. In the meantime, this patch makes the dataplane lifecycle more robust but should make no visible difference. It may be useful in the virtio-net dataplane effort. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-07-19gluster: Add discard support for GlusterFS block driver.Bharata B Rao
Implement bdrv_aio_discard for gluster. Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-07-19gluster: Use pkg-config to configure GlusterFS block driverBharata B Rao
Use pkg-config to determine the version and library dependency for GlusterFS block driver. Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-07-18boot-order-test: Add tests for Sun4uMarkus Armbruster
Cc: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-id: 1372254743-15808-13-git-send-email-armbru@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-18libqos: Generalize I/O-mapped fw_cfgMarkus Armbruster
Provide a constructor that takes the base address in addition to the PC-specific one. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-id: 1372254743-15808-12-git-send-email-armbru@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-18boot-order-test: Add tests for Sun4mMarkus Armbruster
Cc: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-id: 1372254743-15808-11-git-send-email-armbru@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-18boot-order-test: Add tests for PowerPC PREPMarkus Armbruster
Cc: Andreas Färber <afaerber@suse.de> Cc: Alexander Graf <agraf@suse.de> Cc: qemu-ppc@nongnu.org Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-id: 1372254743-15808-10-git-send-email-armbru@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-18boot-order-test: Code motion for better readabilityMarkus Armbruster
Cc: Andreas Färber <afaerber@suse.de> Cc: Alexander Graf <agraf@suse.de> Cc: qemu-ppc@nongnu.org Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-id: 1372254743-15808-9-git-send-email-armbru@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-18boot-order-test: Better separate target-specific and generic partsMarkus Armbruster
The initial version did just PC. I didn't bother to separate out generic parts, because I don't like to abstract from a single case. Now we have two cases, PC and PowerMac, and I'm about to add more. Time to do it right. To ease review, this commit changes the code in-place, and the next commit reorders it for better readability. Cc: Andreas Färber <afaerber@suse.de> Cc: Alexander Graf <agraf@suse.de> Cc: qemu-ppc@nongnu.org Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-id: 1372254743-15808-8-git-send-email-armbru@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-18boot-order-test: Cover -boot once in ppc testsMarkus Armbruster
Cc: Andreas Färber <afaerber@suse.de> Cc: Alexander Graf <agraf@suse.de> Cc: qemu-ppc@nongnu.org Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-id: 1372254743-15808-7-git-send-email-armbru@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-18boot-order-test: Add tests for PowerMacsAndreas Färber
They set the boot device via fw_cfg, which is then translated to a boot path of "hd" or "cd" in OpenBIOS. Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-id: 1372254743-15808-6-git-send-email-armbru@redhat.com Cc: Alexander Graf <agraf@suse.de> Cc: qemu-ppc@nongnu.org Converted to libqos/fw_cfg on Anthony's request. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-18libqos: Add support for memory-mapped fw_cfgMarkus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-id: 1372254743-15808-5-git-send-email-armbru@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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