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2015-04-30usb: Remove unused functionsThomas Huth1-41/+0
Delete set_usb_string(), usb_ep_get_ifnum(), usb_ep_get_max_packet_size() usb_ep_get_max_streams() and usb_ep_set_pipeline() since they are not used anymore. Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com> Reviewed-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-04-30pci: Remove unused function ich9_d2pbr_init()Thomas Huth1-21/+0
The function ich9_d2pbr_init() is completely unused and thus can be deleted. Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-04-30vmxnet: Remove unused function vmxnet_rx_pkt_get_num_frags()Thomas Huth2-16/+0
The function is not used anymore and thus can be deleted. Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com> Cc: Dmitry Fleytman <dmitry@daynix.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-04-30tpm: fix coding styleStefan Berger1-2/+2
Fix coding style in one instance. Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-04-30range: remove useless inclusionsPaolo Bonzini2-2/+0
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-04-30misc: Fix new collection of typosStefan Weil4-4/+4
All of them were reported by codespell. Most typos are in comments, one is in an error message. Signed-off-by: Stefan Weil <sw@weilnetz.de> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-04-30hw/display : remove 'struct' from 'typedef QXL struct'Chih-Min Chao1-1/+1
Signed-off-by: Chih-Min Chao <cmchao@gmail.com> Reviewed-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-04-30tpm: Modify DPRINTF to enable -Wformat checkingStefan Berger2-17/+13
Modify DPRINTF to always enable -Wformat checking. Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-04-30tpm: Cast 64bit variables to int when used in DPRINTFStefan Berger1-4/+4
Cast 64bit variables to int when used in DPRINTF. They only contain 32bit of data. Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-04-30Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into stagingPeter Maydell8-62/+29
- miscellaneous cleanups for TCG (Emilio) and NBD (Bogdan) - next part in the thread-safe address_space_* saga: atomic access to the bounce buffer and the map_clients list, from Fam - optional support for linking with tcmalloc, also from Fam - reapplying Peter Crosthwaite's "Respect as_translate_internal length clamp" after fixing the SPARC fallout. - build system fix from Wei Liu - small acpi-build and ioport cleanup by myself # gpg: Signature made Wed Apr 29 09:34:00 2015 BST using RSA key ID 78C7AE83 # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" # gpg: WARNING: This key is not certified with sufficiently trusted signatures! # gpg: It is not certain that the signature belongs to the owner. # Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1 # Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83 * remotes/bonzini/tags/for-upstream: (22 commits) nbd/trivial: fix type cast for ioctl translate-all: use bitmap helpers for PageDesc's bitmap target-i386: disable LINT0 after reset Makefile.target: prepend $libs_softmmu to $LIBS milkymist: do not modify libs-softmmu configure: Add support for tcmalloc exec: Respect as_translate_internal length clamp ioport: reserve the whole range of an I/O port in the AddressSpace ioport: loosen assertions on emulation of 16-bit ports ioport: remove wrong comment ide: there is only one data port gus: clean up MemoryRegionPortio sb16: remove useless mixer_write_indexw sun4m: fix slavio sysctrl and led register sizes acpi-build: remove dependency from ram_addr.h memory: add memory_region_ram_resize dma-helpers: Fix race condition of continue_after_map_failure and dma_aio_cancel exec: Notify cpu_register_map_client caller if the bounce buffer is available exec: Protect map_client_list with mutex linux-user, bsd-user: Remove two calls to cpu_exec_init_all ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-04-30Merge remote-tracking branch 'remotes/jnsnow/tags/ide-pull-request' into stagingPeter Maydell1-17/+0
# gpg: Signature made Wed Apr 29 00:03:44 2015 BST using RSA key ID AAFC390E # gpg: Good signature from "John Snow (John Huston) <jsnow@redhat.com>" # gpg: WARNING: This key is not certified with sufficiently trusted signatures! # gpg: It is not certain that the signature belongs to the owner. # Primary key fingerprint: FAEB 9711 A12C F475 812F 18F2 88A9 064D 1835 61EB # Subkey fingerprint: F9B7 ABDB BCAC DF95 BE76 CBD0 7DEF 8106 AAFC 390E * remotes/jnsnow/tags/ide-pull-request: qtest: Add assertion that required environment variable is set qtest/ahci: add flush retry test libqos: add blkdebug_prepare_script libqtest: add qmp_async libqtest: add qmp_eventwait qtest/ahci: Allow override of default CLI options qtest/ahci: Add simple flush test qtest/ahci: test different disk sectors qtest/ahci: add qcow2 support to ahci-test fdc: remove sparc sun4m mutations Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-04-28target-i386: disable LINT0 after resetNadav Amit1-9/+0
Due to old Seabios bug, QEMU reenable LINT0 after reset. This bug is long gone and therefore this hack is no longer needed. Since it violates the specifications, it is removed. Signed-off-by: Nadav Amit <namit@cs.technion.ac.il> Message-Id: <1428881529-29459-2-git-send-email-namit@cs.technion.ac.il> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-04-28milkymist: do not modify libs-softmmuPaolo Bonzini1-1/+1
This is better and prepares for the next patch. When we copy libs_softmmu's value into LIBS with a := assignment, we cannot anymore modify libs_softmmu in the Makefiles. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-04-28fdc: remove sparc sun4m mutationsHervé Poussineau1-17/+0
They were introduced in 6f7e9aec5eb5bdfa57a9e458e391b785c283a007 and 82407d1a4035e5bfefb53ffdcb270872f813b34c and lots of bug fixes were done after that. This fixes (at least) the detection of the floppy controller on Debian 4.0r9/SPARC, and SS-5's OBP initialization routine still works. Signed-off-by: Hervé Poussineau <hpoussin@reactos.org> Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Message-id: 1426351846-6497-1-git-send-email-hpoussin@reactos.org Signed-off-by: John Snow <jsnow@redhat.com>
2015-04-28Merge remote-tracking branch 'remotes/awilliam/tags/vfio-update-20150428.0' ↵Peter Maydell1-2/+164
into staging VFIO updates - Correction to BAR overflow - Fix error sign - Reset workaround for AMD Bonaire & Hawaii GPUs # gpg: Signature made Tue Apr 28 18:26:43 2015 BST using RSA key ID 3BB08B22 # gpg: Good signature from "Alex Williamson <alex.williamson@redhat.com>" # gpg: aka "Alex Williamson <alex@shazbot.org>" # gpg: aka "Alex Williamson <alwillia@redhat.com>" # gpg: aka "Alex Williamson <alex.l.williamson@gmail.com>" * remotes/awilliam/tags/vfio-update-20150428.0: vfio-pci: Reset workaround for AMD Bonaire and Hawaii GPUs vfio-pci: Fix error path sign vfio-pci: Further fix BAR size overflow Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-04-28vfio-pci: Reset workaround for AMD Bonaire and Hawaii GPUsAlex Williamson1-0/+162
Somehow these GPUs manage not to respond to a PCI bus reset, removing our primary mechanism for resetting graphics cards. The result is that these devices typically work well for a single VM boot. If the VM is rebooted or restarted, the guest driver is not able to init the card from the dirty state, resulting in a blue screen for Windows guests. The workaround is to use a device specific reset. This is not 100% reliable though since it depends on the incoming state of the device, but it substantially improves the usability of these devices in a VM. Credit to Alex Deucher <alexander.deucher@amd.com> for his guidance. Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2015-04-28vfio-pci: Fix error path signAlex Williamson1-1/+1
This is an impossible error path due to the fact that we're reading a kernel provided, rather than user provided link, which will certainly always fit in PATH_MAX. Currently it returns a fixed 26 char path plus %d group number, which typically maxes out at double digits. However, the caller of the initfn certainly expects a less-than zero return value on error, not just a non-zero value. Therefore we should correct the sign here. Reported-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2015-04-28vfio-pci: Further fix BAR size overflowAlex Williamson1-1/+1
In an analysis by Laszlo, the resulting type of our calculation for the end of the MSI-X table, and thus the start of memory after the table, is uint32_t. We're therefore not correctly preventing the corner case overflow that we intended to fix here where a BAR >=4G could place the MSI-X table to end exactly at the 4G boundary. The MSI-X table offset is defined by the hardware spec to 32bits, so we simply use a cast rather than changing data structure types. This scenario is purely theoretically, typically the MSI-X table is located at the front of the BAR. Reported-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2015-04-28m25p80: fix s->blk usage before assignmentStefan Hajnoczi1-1/+3
Delay the call to blk_blockalign() until s->blk has been assigned. This never caused a crash because blk_blockalign(NULL, size) defaults to 4096 alignment but it's technically incorrect. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1429091024-25098-1-git-send-email-stefanha@redhat.com Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-04-28m25p80: add missing blk_attach_dev_nofailPaolo Bonzini1-0/+1
Of the block devices that poked into -drive options via drive_get_next, m25p80 was the only one who also did not attach itself to the BlockBackend. Since sd does it, and all other devices go through a "drive" property, with this change all block backends attached to the guest will have a non-NULL result for blk_get_attached_dev(). Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Message-id: 1429025387-11077-1-git-send-email-pbonzini@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-04-28omap_intc: convert ffs(3) to ctz32() in omap_inth_sir_update()Paolo Bonzini1-4/+5
Rewrite the loop using level &= level - 1 to clear the least significant bit after each iteration. This simplifies the loop and makes it easy to replace ffs(3) with ctz32(). Cc: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 1427124571-28598-8-git-send-email-stefanha@redhat.com Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-04-28sd: convert sd_normal_command() ffs(3) call to ctz32()Stefan Hajnoczi1-1/+2
ffs() cannot be replaced with ctz32() when the argument might be zero, because ffs(0) returns 0 while ctz32(0) returns 32. The ffs(3) call in sd_normal_command() is a special case though. It can be converted to ctz32() + 1 because the argument is never zero: if (!(req.arg >> 8) || (req.arg >> (ctz32(req.arg & ~0xff) + 1))) { ~~~~~~~~~~~~~~~ ^--------------- req.arg cannot be zero Cc: Markus Armbruster <armbru@redhat.com> Cc: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 1427124571-28598-7-git-send-email-stefanha@redhat.com Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-04-28Convert ffs() != 0 callers to ctz32()Stefan Hajnoczi5-23/+22
There are a number of ffs(3) callers that do roughly: bit = ffs(val); if (bit) { do_something(bit - 1); } This pattern can be converted to ctz32() like this: zeroes = ctz32(val); if (zeroes != 32) { do_something(zeroes); } Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 1427124571-28598-6-git-send-email-stefanha@redhat.com Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-04-28Convert (ffs(val) - 1) to ctz32(val)Stefan Hajnoczi13-23/+23
This commit was generated mechanically by coccinelle from the following semantic patch: @@ expression val; @@ - (ffs(val) - 1) + ctz32(val) The call sites have been audited to ensure the ffs(0) - 1 == -1 case never occurs (due to input validation, asserts, etc). Therefore we don't need to worry about the fact that ctz32(0) == 32. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 1427124571-28598-5-git-send-email-stefanha@redhat.com Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-04-28uninorth: convert ffs(3) to ctz32()Stefan Hajnoczi1-1/+4
It is not clear from the code how a 0 parameter should be handled by the hardware. Keep the same behavior as ffs(0) - 1 == -1. Cc: Alexander Graf <agraf@suse.de> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 1427124571-28598-4-git-send-email-stefanha@redhat.com Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-04-28hw/arm/nseries: convert ffs(3) to ctz32()Stefan Hajnoczi1-1/+4
It is not clear from the code how a 0 parameter should be handled by the hardware. Keep the same behavior as ffs(0) - 1 == -1. Cc: Andrzej Zaborowski <balrog@zabor.org> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 1427124571-28598-3-git-send-email-stefanha@redhat.com Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-04-28bt-sdp: fix broken uuids power-of-2 calculationStefan Hajnoczi1-1/+1
The binary search in sdp_uuid_match() only works when the number of elements to search is a power of two. lo = record->uuid; hi = record->uuids; while (hi >>= 1) if (lo[hi] <= val) lo += hi; return *lo == val; I noticed that the record->uuids calculation in sdp_service_record_build() was suspect: record->uuids = 1 << ffs(record->uuids - 1); Unlike most ffs(val) - 1 users, the expression is ffs(val - 1)! Actually ffs() is the wrong function to use for power-of-2. Use pow2ceil() to achieve the correct effect. Now the record->uuid[] array is sized correctly and the binary search in sdp_uuid_match() should work. I'm not sure how to run/test this code. Cc: Andrzej Zaborowski <balrog@zabor.org> Cc: qemu-stable@nongnu.org Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 1427124571-28598-2-git-send-email-stefanha@redhat.com Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-04-28Merge remote-tracking branch ↵Peter Maydell22-97/+213
'remotes/pmaydell/tags/pull-target-arm-20150427' into staging target-arm queue: * memory system updates to support transaction attributes * set user-mode and secure attributes for accesses made by ARM CPUs * rename c1_coproc to cpacr_el1 * adjust id_aa64pfr0 when has_el3 CPU property disabled * allow ARMv8 SCR.SMD updates # gpg: Signature made Mon Apr 27 16:14:30 2015 BST using RSA key ID 14360CDE # gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" * remotes/pmaydell/tags/pull-target-arm-20150427: Allow ARMv8 SCR.SMD updates target-arm: Adjust id_aa64pfr0 when has_el3 CPU property disabled target-arm: rename c1_coproc to cpacr_el1 target-arm: Check watchpoints against CPU security state target-arm: Use attribute info to handle user-only watchpoints target-arm: Add user-mode transaction attribute target-arm: Use correct memory attributes for page table walks target-arm: Honour NS bits in page tables Switch non-CPU callers from ld/st*_phys to address_space_ld/st* exec.c: Capture the memory attributes for a watchpoint hit exec.c: Add new address_space_ld*/st* functions exec.c: Make address_space_rw take transaction attributes exec.c: Convert subpage memory ops to _with_attrs Add MemTxAttrs to the IOTLB Make CPU iotlb a structure rather than a plain hwaddr memory: Replace io_mem_read/write with memory_region_dispatch_read/write memory: Define API for MemoryRegionOps to take attrs and return status Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-04-27ide: there is only one data portPaolo Bonzini1-2/+2
IDE PIO data must be written, for example, at 0x1f0. You cannot do word or dword writes to 0x1f1..0x1f3 to access the data register. Adjust the ide_portio_list accordingly. Cc: John Snow <jsnow@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-04-27gus: clean up MemoryRegionPortioPaolo Bonzini1-19/+1
Remove 16-bit reads/writes, since ioport.c is able to synthesize them. Remove the two MIDI registers (0x300 and 0x301) from gus_portio_list1, and add the second MIDI register (0x301) to gus_portio_list2. Tested with Second Reality. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-04-27sb16: remove useless mixer_write_indexwPaolo Bonzini1-7/+0
ioport.c is already able to split a 16-bit access into two 8-bit accesses to consecutive ports. Tested with Epic Pinball. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-04-27sun4m: fix slavio sysctrl and led register sizesMark Cave-Ayland1-2/+3
These were being incorrectly declared as MISC_SIZE (1 byte) rather than 4 bytes and 2 bytes respectively. As a result accesses clamped to the real register size would unexpectedly fail. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> CC: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <1427987370-15897-1-git-send-email-mark.cave-ayland@ilande.co.uk> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-04-27acpi-build: remove dependency from ram_addr.hPaolo Bonzini2-22/+22
ram_addr_t is an internal interface, everyone should go through MemoryRegion. Clean it up by making rom_add_blob return a MemoryRegion* and using the new qemu_ram_resize infrastructure. Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-04-26target-arm: rename c1_coproc to cpacr_el1Sergey Fedorov1-1/+1
Rename the field holding CPACR_EL1 system register state in AArch64 naming style. Signed-off-by: Sergey Fedorov <serge.fdrv@gmail.com> [PMM: also fixed a couple of missed occurrences in cpu.c] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-04-26Switch non-CPU callers from ld/st*_phys to address_space_ld/st*Peter Maydell17-83/+185
Switch all the uses of ld/st*_phys to address_space_ld/st*, except for those cases where the address space is the CPU's (ie cs->as). This was done with the following script which generates a Coccinelle patch. A few over-80-columns lines in the result were rewrapped by hand where Coccinelle failed to do the wrapping automatically, as well as one location where it didn't put a line-continuation '\' when wrapping lines on a change made to a match inside a macro definition. ===begin=== #!/bin/sh -e # Usage: # ./ldst-phys.spatch.sh > ldst-phys.spatch # spatch -sp_file ldst-phys.spatch -dir . | sed -e '/^+/s/\t/ /g' > out.patch # patch -p1 < out.patch for FN in ub uw_le uw_be l_le l_be q_le q_be uw l q; do cat <<EOF @ cpu_matches_ld_${FN} @ expression E1,E2; identifier as; @@ ld${FN}_phys(E1->as,E2) @ other_matches_ld_${FN} depends on !cpu_matches_ld_${FN} @ expression E1,E2; @@ -ld${FN}_phys(E1,E2) +address_space_ld${FN}(E1,E2, MEMTXATTRS_UNSPECIFIED, NULL) EOF done for FN in b w_le w_be l_le l_be q_le q_be w l q; do cat <<EOF @ cpu_matches_st_${FN} @ expression E1,E2,E3; identifier as; @@ st${FN}_phys(E1->as,E2,E3) @ other_matches_st_${FN} depends on !cpu_matches_st_${FN} @ expression E1,E2,E3; @@ -st${FN}_phys(E1,E2,E3) +address_space_st${FN}(E1,E2,E3, MEMTXATTRS_UNSPECIFIED, NULL) EOF done ===endit=== Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
2015-04-26exec.c: Make address_space_rw take transaction attributesPeter Maydell2-4/+8
Make address_space_rw take transaction attributes, rather than always using the 'unspecified' attributes. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
2015-04-26memory: Replace io_mem_read/write with memory_region_dispatch_read/writePeter Maydell2-9/+19
Rather than retaining io_mem_read/write as simple wrappers around the memory_region_dispatch_read/write functions, make the latter public and change all the callers to use them, since we need to touch all the callsites anyway to add MemTxAttrs and MemTxResult support. Delete io_mem_read and io_mem_write entirely. (All the callers currently pass MEMTXATTRS_UNSPECIFIED and convert the return value back to bool or ignore it.) Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
2015-04-24balloon: improve error msg when adding second deviceLuiz Capitulino1-1/+1
A VM supports only one balloon device, but due to several changes in infrastructure the error message got messed up when trying to add a second device. Fix it. Before this fix Command-line: qemu-qmp: -device virtio-balloon-pci,id=balloon0: Another balloon device already registered qemu-qmp: -device virtio-balloon-pci,id=balloon0: Adding balloon handler failed qemu-qmp: -device virtio-balloon-pci,id=balloon0: Device 'virtio-balloon-pci' could not be initialized HMP: Another balloon device already registered Adding balloon handler failed Device 'virtio-balloon-pci' could not be initialized QMP: { "execute": "device_add", "arguments": { "driver": "virtio-balloon-pci", "id": "balloon0" } } { "error": { "class": "GenericError", "desc": "Adding balloon handler failed" } } After this fix Command-line: qemu-qmp: -device virtio-balloon-pci,id=balloon0: Only one balloon device is supported qemu-qmp: -device virtio-balloon-pci,id=balloon0: Device 'virtio-balloon-pci' could not be initialized HMP: (qemu) device_add virtio-balloon-pci,id=balloon0 Only one balloon device is supported Device 'virtio-balloon-pci' could not be initialized (qemu) QMP: { "execute": "device_add", "arguments": { "driver": "virtio-balloon-pci", "id": "balloon0" } } { "error": { "class": "GenericError", "desc": "Only one balloon device is supported" } } Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2015-04-20vhost: fix log base addressMichael S. Tsirkin1-2/+5
VHOST_SET_LOG_BASE got an incorrect address, causing migration errors and potentially even memory corruption. Reported-by: Wen Congyang <wency@cn.fujitsu.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Amos Kong <akong@redhat.com> Message-id: 1429283565-32265-1-git-send-email-mst@redhat.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-04-17mips: fix broken fulong2e machinePaolo Bonzini1-2/+2
After commit 5312bd8 the bonito_readl() and bonito_writel() have been accessing incorrect addresses. Consequently QEMU is crashing when trying to boot Linux kernel on fulong2e machine. Cc: qemu-stable@nongnu.org Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
2015-04-13pci: Fix crash with illegal "-net nic, model=xxx" optionThomas Huth1-1/+3
Current QEMU crashes when specifying an illegal model with the "-net nic,model=xxx" option, e.g.: $ qemu-system-x86_64 -net nic,model=n/a qemu-system-x86_64: Unsupported NIC model: n/a Program received signal SIGSEGV, Segmentation fault. The gdb backtrace looks like this: 0x0000555555965fe0 in error_get_pretty (err=0x0) at util/error.c:152 152 return err->msg; (gdb) bt 0 0x0000555555965fe0 in error_get_pretty (err=0x0) at util/error.c:152 1 0x0000555555965ffd in error_report_err (err=0x0) at util/error.c:157 2 0x0000555555809c90 in pci_nic_init_nofail (nd=0x555555e49860 <nd_table>, rootbus=0x5555564409b0, default_model=0x55555598c37b "e1000", default_devaddr=0x0) at hw/pci/pci.c:1663 3 0x0000555555691e42 in pc_nic_init (isa_bus=0x555556f71900, pci_bus=0x5555564409b0) at hw/i386/pc.c:1506 4 0x000055555569396b in pc_init1 (machine=0x5555562abbf0, pci_enabled=1, kvmclock_enabled=1) at hw/i386/pc_piix.c:248 5 0x0000555555693d27 in pc_init_pci (machine=0x5555562abbf0) at hw/i386/pc_piix.c:310 6 0x000055555572ddf5 in main (argc=3, argv=0x7fffffffe018, envp=0x7fffffffe038) at vl.c:4226 The problem is that pci_nic_init_nofail() does not check whether the err parameter from pci_nic_init has been set up and thus passes a NULL pointer to error_report_err(). Fix it by correctly checking the err parameter. Signed-off-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-04-11cris: memory: Replace memory_region_init_ram with ↵Dirk Müller1-3/+2
memory_region_allocate_system_memory Commit 0b183fc871:"memory: move mem_path handling to memory_region_allocate_system_memory" split memory_region_init_ram and memory_region_init_ram_from_file. Also it moved mem-path handling a step up from memory_region_init_ram to memory_region_allocate_system_memory. Therefore for any board that uses memory_region_init_ram directly, -mem-path is not supported. Fix this by replacing memory_region_init_ram with memory_region_allocate_system_memory. Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Cc: Edgar E. Iglesias <edgar.iglesias@gmail.com> Signed-off-by: Dirk Mueller <dmueller@suse.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2015-04-10alpha: memory: Replace memory_region_init_ram with ↵Dirk Müller1-3/+2
memory_region_allocate_system_memory Commit 0b183fc871:"memory: move mem_path handling to memory_region_allocate_system_memory" split memory_region_init_ram and memory_region_init_ram_from_file. Also it moved mem-path handling a step up from memory_region_init_ram to memory_region_allocate_system_memory. Therefore for any board that uses memory_region_init_ram directly, -mem-path is not supported. Fix this by replacing memory_region_init_ram with memory_region_allocate_system_memory. Cc: Richard Henderson <rth@twiddle.net> Signed-off-by: Dirk Mueller <dmueller@suse.com> Acked-by: Richard Henderson <rth@twiddle.net> Message-id: CAL5wTH64_ykF17cw2T1Axq8P3vCWm=6WbUJ3qJrLF-u+-MmzUw@mail.gmail.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-04-10lm32: memory: Replace memory_region_init_ram with ↵Dirk Müller2-9/+6
memory_region_allocate_system_memory Commit 0b183fc871:"memory: move mem_path handling to memory_region_allocate_system_memory" split memory_region_init_ram and memory_region_init_ram_from_file. Also it moved mem-path handling a step up from memory_region_init_ram to memory_region_allocate_system_memory. Therefore for any board that uses memory_region_init_ram directly, -mem-path is not supported. Fix this by replacing memory_region_init_ram with memory_region_allocate_system_memory. Cc: Michael Walle <michael@walle.cc> Signed-off-by: Dirk Mueller <dmueller@suse.com> Acked-by: Michael Walle <michael@walle.cc> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-04-09xen: limit guest control of PCI command registerJan Beulich2-27/+13
Otherwise the guest can abuse that control to cause e.g. PCIe Unsupported Request responses (by disabling memory and/or I/O decoding and subsequently causing [CPU side] accesses to the respective address ranges), which (depending on system configuration) may be fatal to the host. This is CVE-2015-2756 / XSA-126. Signed-off-by: Jan Beulich <jbeulich@suse.com> Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com> Message-id: alpine.DEB.2.02.1503311510300.7690@kaball.uk.xensource.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-04-09Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into ↵Peter Maydell2-3/+13
staging # gpg: Signature made Thu Apr 9 10:55:11 2015 BST using RSA key ID 81AB73C8 # gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" # gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" * remotes/stefanha/tags/block-pull-request: block/iscsi: handle zero events from iscsi_which_events aio: strengthen memory barriers for bottom half scheduling virtio-blk: correctly dirty guest memory qcow2: Fix header update with overridden backing file Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-04-08arm: memory: Replace memory_region_init_ram with ↵Dirk Müller13-37/+30
memory_region_allocate_system_memory Commit 0b183fc871:"memory: move mem_path handling to memory_region_allocate_system_memory" split memory_region_init_ram and memory_region_init_ram_from_file. Also it moved mem-path handling a step up from memory_region_init_ram to memory_region_allocate_system_memory. Therefore for any board that uses memory_region_init_ram directly, -mem-path is not supported. Fix this by replacing memory_region_init_ram with memory_region_allocate_system_memory. Signed-off-by: Dirk Mueller <dmueller@suse.com> Message-id: CAL5wTH4UHYKpJF=dLJfFzxpufjY189chnCow47-ySuLf8GLbug@mail.gmail.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-04-08virtio-blk: correctly dirty guest memoryPaolo Bonzini2-3/+13
After qemu_iovec_destroy, the QEMUIOVector's size is zeroed and the zero size ultimately is used to compute virtqueue_push's len argument. Therefore, reads from virtio-blk devices did not migrate their results correctly. (Writes were okay). Save the size in virtio_blk_handle_request, and use it when the request is completed. Based on a patch by Wen Congyang. Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Li Zhijian <lizhijian@cn.fujitsu.com> Message-id: 1427997044-392-1-git-send-email-pbonzini@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-04-04pcspk: Fix I/O port nameJan Kiszka1-1/+1
Probably a copy&paste bug. Fixing it helps identifying the device model behind port 0x61. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Reviewed-by: Gonglei <arei.gonglei@huawei.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-04-02Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into stagingPeter Maydell1-2/+6
Another round of small fixes. I am not including the virtio-blk fix, because Wen only posted a prototype and the changes I made were pretty large. It definitely needs another pair of eyes (but it is a 2.3 regression and a blocker). # gpg: Signature made Thu Apr 2 14:59:56 2015 BST using RSA key ID 78C7AE83 # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" # gpg: WARNING: This key is not certified with sufficiently trusted signatures! # gpg: It is not certain that the signature belongs to the owner. # Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1 # Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83 * remotes/bonzini/tags/for-upstream: Use $(MAKE) for recursive make kvm-all: Sync dirty-bitmap from kvm before kvm destroy the corresponding dirty_bitmap util/qemu-config: fix regression of qmp_query_command_line_options target-i386: clear bsp bit when designating bsp qga: fitering out -fstack-protector-strong target-i386: save 64-bit CR3 in 64-bit SMM state save area Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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