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2014-09-18Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into stagingPeter Maydell
pci, pc, virtio, misc bugfixes A bunch of bugfixes - some of these will make sense for 2.1.2 I put Cc: qemu-stable included where appropriate. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Thu 18 Sep 2014 19:52:18 BST using RSA key ID D28D5469 # gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" # gpg: aka "Michael S. Tsirkin <mst@redhat.com>" * remotes/mst/tags/for_upstream: pc: leave more space for BIOS allocations virtio-pci: fix migration for pci bus master vhost-user: fix VIRTIO_NET_F_MRG_RXBUF negotiation virtio-pci: enable bus master for old guests Revert "virtio: don't call device on !vm_running" virtio-net: drop assert on vm stop Revert "rng-egd: remove redundant free" qdev: Move global validation to a single function qdev: Rename qdev_prop_check_global() to qdev_prop_check_globals() test-qdev-global-props: Test handling of hotpluggable and non-device types test-qdev-global-props: Initialize not_used=true for all props test-qdev-global-props: Run tests on subprocess tests: disable global props test for old glib test-qdev-global-props: Trivial comment fix hw/machine: Free old values of string properties Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-18pc: leave more space for BIOS allocationsMichael S. Tsirkin
Since QEMU 2.1, we are allocating more space for ACPI tables, so no space is left after initrd for the BIOS to allocate memory. Besides ACPI tables, there are a few other uses of high memory in SeaBIOS: SMBIOS tables and USB drivers use it in particular. These uses allocate a very small amount of memory. Malloc metadata also lives there. So we need _some_ extra padding there to avoid initrd breakage, but not much. John Snow found a case where RHEL5 was broken by the recent change to ACPI_TABLE_SIZE; in his case 4KB of extra padding are fine, but just to be safe I am adding 32KB, which is roughly the same amount of padding that was left by QEMU 2.0 and earlier. Move initrd to leave some space for the BIOS. Cc: qemu-stable@nongnu.org Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reported-by: John Snow <jsnow@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-09-18virtio-pci: fix migration for pci bus masterMichael S. Tsirkin
Current support for bus master (clearing OK bit) together with the need to support guests which do not enable PCI bus mastering, leads to extra state in VIRTIO_PCI_FLAG_BUS_MASTER_BUG bit, which isn't robust in case of cross-version migration for the case when guests use the device before setting DRIVER_OK. Rip out VIRTIO_PCI_FLAG_BUS_MASTER_BUG and implement a simpler work-around: treat clearing of PCI_COMMAND as a virtio reset. Old guests never touch this bit so they will work. As reset clears device status, DRIVER and MASTER bits are now in sync, so we can fix up cross-version migration simply by synchronising them, without need to detect a buggy guest explicitly. Drop tracking VIRTIO_PCI_FLAG_BUS_MASTER_BUG completely. As reset makes the device quiescent, in the future we'll be able to drop checking OK bit in a bunch of places. Cc: Jason Wang <jasowang@redhat.com> Cc: Greg Kurz <gkurz@linux.vnet.ibm.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-09-18vhost-user: fix VIRTIO_NET_F_MRG_RXBUF negotiationDamjan Marion
Header length check should happen only if backend is kernel. For user backend there is no reason to reset this bit. vhost-user code does not define .has_vnet_hdr_len so VIRTIO_NET_F_MRG_RXBUF cannot be negotiated even if both sides support it. Signed-off-by: Damjan Marion <damarion@cisco.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-09-18virtio-pci: enable bus master for old guestsMichael S. Tsirkin
commit cc943c36faa192cd4b32af8fe5edb31894017d35 pci: Use bus master address space for delivering MSI/MSI-X messages breaks virtio-net for rhel6.[56] x86 guests because they don't enable bus mastering for virtio PCI devices. For the same reason, rhel6.[56] ppc64 guests cannot boot on a virtio-blk disk anymore. Old guests forgot to enable bus mastering, enable it automatically on DRIVER (guests use some devices before DRIVER_OK). Reported-by: Greg Kurz <gkurz@linux.vnet.ibm.com> Reviewed-by: Greg Kurz <gkurz@linux.vnet.ibm.com> Tested-by: Greg Kurz <gkurz@linux.vnet.ibm.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-09-18Revert "virtio: don't call device on !vm_running"Michael S. Tsirkin
This reverts commit a1bc7b827e422e1ff065640d8ec5347c4aadfcd8. virtio: don't call device on !vm_running It turns out that virtio net assumes that vm_running is updated before device status callback in many places, so this change leads to asserts. Previous commit fixes the root issue that motivated a1bc7b827e422e1ff065640d8ec5347c4aadfcd8 differently, so there's no longer a need for this change. In the future, we might be able to drop checking vm_running completely, and check vm state directly. Reported-by: Dietmar Maurer <dietmar@proxmox.com> Cc: qemu-stable@nongnu.org Acked-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-09-18virtio-net: drop assert on vm stopMichael S. Tsirkin
On vm stop, vm_running state set to stopped before device is notified, so callbacks can get envoked with vm_running = false; and this is not an error. Cc: qemu-stable@nongnu.org Acked-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-09-18Revert "rng-egd: remove redundant free"Eduardo Habkost
This reverts commit 5e490b6a504912225dff0e520e1c6af68295d238. Cc: qemu-stable@nongnu.org Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-09-18qdev: Move global validation to a single functionEduardo Habkost
Currently GlobalProperty.not_used=false has multiple meanings: * It may be a property for a hotpluggable device, which may or may not have been used by a device; * It may be a machine-type-provided property, which may or may not have been used by a device. * It may be a user-provided property that was actually not used by any device. Simplify the logic by having two separate fields: 'user_provided' and 'used'. This allows the entire global property validation logic to be contained in a single function, and allows more specific error messages. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-09-18qdev: Rename qdev_prop_check_global() to qdev_prop_check_globals()Eduardo Habkost
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-09-18test-qdev-global-props: Test handling of hotpluggable and non-device typesEduardo Habkost
Ensure no warning will be printed for hotpluggable types, and warnings will be printed for non-device types. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-09-18test-qdev-global-props: Initialize not_used=true for all propsEduardo Habkost
This will ensure we are actually testing the code which sets not_used=false when the property is used. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-09-18test-qdev-global-props: Run tests on subprocessEduardo Habkost
There are multiple reasons for running the global property tests on a subprocess: * We need the global_props lists to be empty for each test case, so global properties from the previous test won't affect the next one; * We don't want the qdev_prop_check_global() warnings to pollute test output; * With a subprocess, we can ensure qdev_prop_check_global() is printing the warning messages it should. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-09-18tests: disable global props test for old glibMichael S. Tsirkin
follow-up patch moves global property tests to subprocesses. Unfortunately with old glib this causes: tests/test-qdev-global-props.c: In function ‘test_static_prop’: tests/test-qdev-global-props.c:80:5: error: implicit declaration of function ‘g_test_trap_subprocess’ [-Werror=implicit-function-declaration] tests/test-qdev-global-props.c:80:5: error: nested extern declaration of ‘g_test_trap_subprocess’ [-Werror=nested-externs] This function was only added in glib 2.38, and our minimum version is 2.12. To fix, disable the test for glib < 2.38. Apply before that patch to avoid breaking bisect. Reported-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-09-18Merge remote-tracking branch 'remotes/kraxel/tags/pull-vnc-20140918-1' into ↵Peter Maydell
staging vnc: set TCP_NODELAY, cleanup in tlc code # gpg: Signature made Thu 18 Sep 2014 07:02:37 BST using RSA key ID D3E87138 # gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" # gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" # gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" * remotes/kraxel/tags/pull-vnc-20140918-1: vnc-tls: Clean up dead store in vnc_set_x509_credential() ui/vnc: set TCP_NODELAY Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-18vnc-tls: Clean up dead store in vnc_set_x509_credential()Markus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-09-17ui/vnc: set TCP_NODELAYPeter Lieven
we currently have the Nagle algorithm enabled for all outgoing VNC updates. This may delay sensitive updates as mouse movements or typing in the console. As we currently prepare all data in a buffer and then send as much as we can disabling the Nagle algorithm should not cause big trouble. Well established VNC servers like TightVNC set TCP_NODELAY as well. A regular framebuffer update request generates exactly one framebuffer update which should be pushed out as fast as possible. Signed-off-by: Peter Lieven <pl@kamp.de> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-09-16qemu-char: Rename register_char_driver_qapi() to register_char_driver()Peter Maydell
Now we have removed the legacy register_char_driver() we can rename register_char_driver_qapi() to the more obvious and shorter name. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1409653457-27863-6-git-send-email-peter.maydell@linaro.org
2014-09-16qemu-char: Remove register_char_driver() machineryPeter Maydell
Now that all the char backends have been converted to the QAPI framework we can remove the machinery for handling old style backends. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1409653457-27863-5-git-send-email-peter.maydell@linaro.org
2014-09-16qemu-char: Convert udp backend to QAPIPeter Maydell
Convert the udp char backend to the new style QAPI framework. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1409653457-27863-4-git-send-email-peter.maydell@linaro.org
2014-09-16util/qemu-sockets.c: Support specifying IPv4 or IPv6 in socket_dgram()Peter Maydell
Currently you can specify whether you want a UDP chardev backend to be IPv4 or IPv6 using the ipv4 or ipv6 options if you use the QemuOpts parsing code in inet_dgram_opts(). However the QMP struct parsing code in socket_dgram() doesn't provide this flexibility (which in turn prevents us from converting the UDP backend handling to the new style QAPI framework). Use the existing inet_addr_to_opts() function to convert the remote->inet address to option strings; this handles ipv4 and ipv6 flags as well as host and port. (It will also convert any 'to' specification, which is harmless as it is ignored in this context.) Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1409653457-27863-3-git-send-email-peter.maydell@linaro.org
2014-09-16qemu-char: Convert socket backend to QAPIPeter Maydell
Convert the socket char backend to the new style QAPI framework; this allows it to return an Error ** to callers who might not want it to print directly about socket failures. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1409653457-27863-2-git-send-email-peter.maydell@linaro.org
2014-09-16Merge remote-tracking branch 'remotes/kraxel/tags/pull-sdl-20140916-1' into ↵Peter Maydell
staging Two minor sdl2 fixes. # gpg: Signature made Tue 16 Sep 2014 07:20:37 BST using RSA key ID D3E87138 # gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" # gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" # gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" * remotes/kraxel/tags/pull-sdl-20140916-1: sdl2: keymap fixups sdl2: drop sdl_zoom.h Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-16Merge remote-tracking branch 'remotes/spice/tags/pull-spice-20140916-2' into ↵Peter Maydell
staging spice: call qemu_spice_set_passwd() during init # gpg: Signature made Tue 16 Sep 2014 07:11:22 BST using RSA key ID D3E87138 # gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" # gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" # gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" * remotes/spice/tags/pull-spice-20140916-2: spice: call qemu_spice_set_passwd() during init Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-16spice: call qemu_spice_set_passwd() during initMarc-André Lureau
Don't call SPICE API directly to set password given in command line, but use the internal API, saving password for later calls. This solves losing password when changing expiration in qemu monitor. https://bugzilla.redhat.com/show_bug.cgi?id=1138639 Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-09-16sdl2: keymap fixupsGerd Hoffmann
Make a few keys works correctly in SDL2. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-09-16sdl2: drop sdl_zoom.hGerd Hoffmann
It isn't used. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-09-15Merge remote-tracking branch 'remotes/qmp-unstable/queue/qmp' into stagingPeter Maydell
* remotes/qmp-unstable/queue/qmp: exec: file_ram_alloc(): print error when prealloc fails monitor: fix debug print compiling error Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-15Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into stagingPeter Maydell
Block patches # gpg: Signature made Fri 12 Sep 2014 16:09:43 BST using RSA key ID C88F2FD6 # gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" * remotes/kevin/tags/for-upstream: (22 commits) qcow2: Add falloc and full preallocation option raw-posix: Add falloc and full preallocation option qapi: introduce PreallocMode and new PreallocModes full and falloc. block: don't convert file size to sector size block: round up file size to nearest sector iotests: Send the correct fd in socket_scm_helper blockdev: Refuse to drive_del something added with blockdev-add block: extend BLOCK_IO_ERROR with reason string dataplane: fix virtio_blk_data_plane_create() op blocker error path qemu-iotests: Run 025 for Archipelago block driver block/archipelago: Implement bdrv_truncate() block: Make the block accounting functions operate on BlockAcctStats block: rename BlockAcctType members to start with BLOCK_ instead of BDRV_ block: Extract the block accounting code block: Extract the BlockAcctStats structure IDE: MMIO IDE device control should be little endian thread-pool: Drop unnecessary includes xen: Drop redundant bdrv_close() from pci_piix3_xen_ide_unplug() xen_disk: Plug memory leak on error path qemu-io: Clean up openfile() after commit 2e40134 ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-15Merge remote-tracking branch 'remotes/kraxel/tags/pull-console-20140915-1' ↵Peter Maydell
into staging Fix pixman build failure. # gpg: Signature made Mon 15 Sep 2014 07:15:11 BST using RSA key ID D3E87138 # gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" # gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" # gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" * remotes/kraxel/tags/pull-console-20140915-1: configure: check for pixman-1 version pixman: update internal copy to pixman-0.32.6 Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-15configure: check for pixman-1 versionHu Tao
commit a93a3af9 introduces use of PIXMAN_TYPE_RGBA, but it's only available in pixman >= 0.21.8. If pixman doesn't meet the version requirement, qemu will fail to build with following message: qemu/ui/qemu-pixman.c: In function ‘qemu_pixelformat_from_pixman’: qemu/ui/qemu-pixman.c:42: error: ‘PIXMAN_TYPE_RGBA’ undeclared (first use in this function) qemu/ui/qemu-pixman.c:42: error: (Each undeclared identifier is reported only once qemu/ui/qemu-pixman.c:42: error: for each function it appears in.) This patch fixes the problem by checking the pixman version. Signed-off-by: Hu Tao <hutao@cn.fujitsu.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-09-15pixman: update internal copy to pixman-0.32.6Hu Tao
commit a93a3af9 introduces use of PIXMAN_TYPE_RGBA, but it's only available in pixman >= 0.21.8. Although commit f27b2e1d bumped pixman to pixman-0.28.2, but the change was reverted later by 7b1b5d19. This patch updates internal copy of pixman to pixman-0.32.6 to fix the problem. Signed-off-by: Hu Tao <hutao@cn.fujitsu.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-09-14test-qdev-global-props: Trivial comment fixEduardo Habkost
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-09-14hw/machine: Free old values of string propertiesEduardo Habkost
Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Marcel Apfelbaum <marcel.a@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Amos Kong <akong@redhat.com> Cc: qemu-stable@nongnu.org
2014-09-12Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into stagingPeter Maydell
- Memory: improve error reporting and avoid crashes on hotplug - Build: fixing block/iscsi.so and ranlib warnings on Mac OS X - Migration fixes for x86 - The odd KVM patch. # gpg: Signature made Thu 11 Sep 2014 11:21:10 BST using RSA key ID 9B4D86F2 # gpg: Good signature from "Paolo Bonzini <pbonzini@redhat.com>" # gpg: aka "Paolo Bonzini <bonzini@gnu.org>" * remotes/bonzini/tags/for-upstream: (21 commits) gdbstub: init mon_chr through qemu_chr_alloc pckbd: adding new fields to vmstate mc146818rtc: add missed field to vmstate piix: do not set irq while loading vmstate serial: fixing vmstate for save/restore parallel: adding vmstate for save/restore fdc: adding vmstate for save/restore cpu: init vmstate for ticks and clock offset apic_common: vapic_paddr synchronization fix vl: use QLIST_FOREACH_SAFE to visit change state handlers exec: add parameter errp to gethugepagesize exec: report error when memory < hpagesize hostmem-ram: don't exit qemu if size of memory-backend-ram is way too big memory: add parameter errp to memory_region_init_rom_device memory: add parameter errp to memory_region_init_ram exec: add parameter errp to qemu_ram_alloc and qemu_ram_alloc_from_ptr rules.mak: Fix DSO build by pulling in archive symbols util: Don't link host-utils.o if it's empty util: Move general qemu_getauxval to util/getauxval.c trace: Only link generated-tracers.o with "simple" backend ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-12exec: file_ram_alloc(): print error when prealloc failsLuiz Capitulino
If memory allocation fails when using the -mem-prealloc command-line option, QEMU exits without printing any error information to the user: # qemu [...] -m 1G -mem-prealloc -mem-path /dev/hugepages # echo $? 1 This commit adds an error message, so that we print instead: # qemu [...] -m 1G -mem-prealloc -mem-path /dev/hugepages qemu: unable to map backing store for hugepages: Cannot allocate memory Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2014-09-12monitor: fix debug print compiling errorGonglei
error: 'i' undeclared (first use in this function) Signed-off-by: Gonglei <arei.gonglei@huawei.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-09-12Merge remote-tracking branch ↵Peter Maydell
'remotes/pmaydell/tags/pull-target-arm-20140912' into staging target-arm: * add "linux,stdout-path" to the virt DTB * fix a long standing bug with IRQ disabling on Cortex-M CPUs * implement input interrupt logic in the PL061 * fix failure to load correct SP/PC on reset of Cortex-M CPUs if the vector table is not in a ROM-blob-in-RAM * provide flash devices for boot ROMs in the virt board * implement architectural watchpoints * fix misimplementation of Inner Shareable TLB operations that caused instability of guests in TCG SMP configurations * configure PL011 and PL031 in the virt board correctly with level-triggered interrupts rather than edge-triggered * support providing a device tree blob to ROM (firmware) images as well as to kernels # gpg: Signature made Fri 12 Sep 2014 14:19:08 BST using RSA key ID 14360CDE # gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" * remotes/pmaydell/tags/pull-target-arm-20140912: (23 commits) hw/arm/boot: enable DTB support when booting ELF images hw/arm/boot: load device tree to base of DRAM if no -kernel option was passed hw/arm/boot: pass an address limit to and return size from load_dtb() hw/arm/boot: load DTB as a ROM image hw/arm/virt: fix pl011 and pl031 irq flags target-arm: Make *IS TLB maintenance ops affect all CPUs target-arm: Push legacy wildcard TLB ops back into v6 target-arm: Implement minimal DBGVCR, OSDLR_EL1, MDCCSR_EL0 target-arm: Remove comment about MDSCR_EL1 being dummy implementation target-arm: Set DBGDSCR.MOE for debug exceptions taken to AArch32 target-arm: Implement handling of fired watchpoints target-arm: Move extended_addresses_enabled() to internals.h target-arm: Implement setting of watchpoints cpu-exec: Make debug_excp_handler a QOM CPU method exec.c: Record watchpoint fault address and direction exec.c: Provide full set of dummy wp remove functions in user-mode exec.c: Relax restrictions on watchpoint length and alignment hw/arm/virt: Provide flash devices for boot ROMs target-arm: Fix broken indentation in arm_cpu_reest() target-arm: Fix resetting issues on ARMv7-M CPUs ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-12qcow2: Add falloc and full preallocation optionHu Tao
preallocation=falloc allocates disk space by posix_fallocate(), preallocation=full allocates disk space by writing zeros to disk. Both modes imply preallocation=metadata. Signed-off-by: Hu Tao <hutao@cn.fujitsu.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2014-09-12raw-posix: Add falloc and full preallocation optionHu Tao
This patch adds a new option preallocation for raw format, and implements falloc and full preallocation. Signed-off-by: Hu Tao <hutao@cn.fujitsu.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2014-09-12qapi: introduce PreallocMode and new PreallocModes full and falloc.Hu Tao
This patch prepares for the subsequent patches. Signed-off-by: Hu Tao <hutao@cn.fujitsu.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2014-09-12block: don't convert file size to sector sizeHu Tao
and avoid converting it back later. Signed-off-by: Hu Tao <hutao@cn.fujitsu.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Benoît Canet <benoit.canet@nodalink.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2014-09-12block: round up file size to nearest sectorHu Tao
Currently the file size requested by user is rounded down to nearest sector, causing the actual file size could be a bit less than the size user requested. Since some formats (like qcow2) record virtual disk size in bytes, this can make the last few bytes cannot be accessed. This patch fixes it by rounding up file size to nearest sector so that the actual file size is no less than the requested file size. Signed-off-by: Hu Tao <hutao@cn.fujitsu.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2014-09-12hw/arm/boot: enable DTB support when booting ELF imagesArd Biesheuvel
Add support for loading DTB images when booting ELF images using -kernel. If there are no conflicts with the placement of the ELF segments, the DTB image is loaded at the base of RAM. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Message-id: 1410453915-9344-5-git-send-email-ard.biesheuvel@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-12hw/arm/boot: load device tree to base of DRAM if no -kernel option was passedArd Biesheuvel
If we are running the 'virt' machine, we may have a device tree blob but no kernel to supply it to if no -kernel option was passed. In that case, copy it to the base of RAM where it can be picked up by a bootloader. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Message-id: 1410453915-9344-4-git-send-email-ard.biesheuvel@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-12hw/arm/boot: pass an address limit to and return size from load_dtb()Ard Biesheuvel
Add an address limit input parameter to load_dtb() so that we can tell load_dtb() how much memory the dtb is allowed to consume. If the dtb doesn't fit, return 0, otherwise return the actual size of the loaded dtb. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Message-id: 1410453915-9344-3-git-send-email-ard.biesheuvel@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-12hw/arm/boot: load DTB as a ROM imageArd Biesheuvel
In order to make the device tree blob (DTB) available in memory not only at first boot, but also after system reset, use rom_blob_add_fixed() to install it into memory. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Message-id: 1410453915-9344-2-git-send-email-ard.biesheuvel@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-12hw/arm/virt: fix pl011 and pl031 irq flagsPeter Maydell
The pl011 and pl031 devices both use level triggered interrupts, but the device tree we construct was incorrectly telling the kernel to configure the GIC to treat them as edge triggered. This meant that output from the pl011 would hang after a while. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1410274423-9461-1-git-send-email-peter.maydell@linaro.org Acked-by: Christoffer Dall <christoffer.dall@linaro.org> Cc: qemu-stable@nongnu.org
2014-09-12target-arm: Make *IS TLB maintenance ops affect all CPUsPeter Maydell
The ARM architecture defines that the "IS" variants of TLB maintenance operations must affect all TLBs in the Inner Shareable domain, which for us means all CPUs. We were incorrectly implementing these to only affect the current CPU, which meant that SMP TCG operation was unstable. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1410274883-9578-3-git-send-email-peter.maydell@linaro.org Cc: qemu-stable@nongnu.org
2014-09-12target-arm: Push legacy wildcard TLB ops back into v6Peter Maydell
When we implemented ARMv8 in QEMU we retained our legacy loose wildcarded decoding of the TLB maintenance operations for v7 and earlier CPUs and provided the correct stricter decode for v8. However the loose decode is in fact wrong for v7MP, because it doesn't correctly implement the operations which must apply to every CPU in the Inner Shareable domain. Move the legacy wildcarding from the not_v8 reginfo array into the not_v7 array, and move the strictly decoded operations from the v8 reginfo to v7 or v7mp arrays as appropriate. Cache and TLB lockdown legacy wildcarding remains in the not_v8 array for the moment. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1410274883-9578-2-git-send-email-peter.maydell@linaro.org Cc: qemu-stable@nongnu.org
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