Commit Graph

20667 Commits

Author SHA1 Message Date
Anton Nefedov caeadbc8ba ide: fix invalid TRIM range abortion for macio
commit 947858b0 "ide: abort TRIM operation for invalid range"
is incorrect for macio; just ide_dma_error() without doing a callback
is not enough for that errorpath.

Instead, pass -EINVAL to the callback and handle it there
(see related motivation for read/write in 58ac32113).

It will however catch possible EINVAL from the block layer too.

Signed-off-by: Anton Nefedov <anton.nefedov@virtuozzo.com>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-id: 1520010495-58172-1-git-send-email-anton.nefedov@virtuozzo.com
Signed-off-by: John Snow <jsnow@redhat.com>
2018-03-27 00:38:00 -04:00
Peter Maydell 7b93d78a04 Miscellaenous bugfixes, including crash fixes from Alexey, Peter M. and
Thomas.
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

Miscellaenous bugfixes, including crash fixes from Alexey, Peter M. and
Thomas.

# gpg: Signature made Mon 26 Mar 2018 13:37:38 BST
# gpg:                using RSA key BFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>"
# 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:
  qemu-pr-helper: Actually allow users to specify pidfile
  chardev/char-fe: Allow NULL chardev in qemu_chr_fe_init()
  iothread: fix breakage on windows
  scsi: turn "is this a SCSI device?" into a conditional hint
  chardev-socket: remove useless if
  tcg: Really fix cpu_io_recompile
  vhost-user-test: add back memfd check
  vhost-user-test: do not hang if chardev creation failed
  scripts/device-crash-test: Remove fixed isapc-with-iommu entry
  hw/audio: Fix crashes when devices are used on ISA bus without DMA
  fdc: Exit if ISA controller does not support DMA
  hw/net/can: Fix segfaults when using the devices without bus
  WHPX improve vcpu_post_run perf
  WHPX fix WHvSetPartitionProperty in PropertyCode
  WHPX fix WHvGetCapability out WrittenSizeInBytes
  scripts/get_maintainer.pl: Print proper error message for missing $file

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-26 15:17:25 +01:00
Paolo Bonzini 09c2c6ffda scsi: turn "is this a SCSI device?" into a conditional hint
If the user does not have permissions to send ioctls to the device (due to
SELinux or cgroups, for example), the output can look like

qemu-kvm: -device scsi-block,drive=disk: cannot get SG_IO version number:
  Operation not permitted.  Is this a SCSI device?

but this is confusing because the ioctl was blocked _before_ the device
even received the SG_GET_VERSION_NUM ioctl.  Therefore, for EPERM errors
the suggestion should be eliminated.  To make that simpler, change the
code to use error_append_hint.

Reported-by: Ala Hino <ahino@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-03-26 14:37:15 +02:00
Thomas Huth c9073238fc hw/audio: Fix crashes when devices are used on ISA bus without DMA
The cs4231a, gus and sb16 sound cards crash QEMU when the user tries
to instantiate them on a machine with DMA-less ISA bus (for example
with "qemu-system-mips64el -M mips -device sb16"). Add proper checks
to the realize functions to avoid the crashes.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1521193892-15552-4-git-send-email-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-03-26 14:37:13 +02:00
Alexey Kardashevskiy b3da551389 fdc: Exit if ISA controller does not support DMA
A "powernv" machine type defines an ISA bus but it does not add any DMA
controller to it so it is possible to hit assert(fdctrl->dma) by
adding "-machine powernv -device isa-fdc".

This replaces assert() with an error message.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
[thuth: Slightly adjusted error message and updated scripts/device-crash-test]
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1521193892-15552-3-git-send-email-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-03-26 14:37:13 +02:00
Thomas Huth 089eac81e1 hw/net/can: Fix segfaults when using the devices without bus
The CAN devices can currently be used to crash QEMU, e.g.:

$ x86_64-softmmu/qemu-system-x86_64 -device kvaser_pci
Segmentation fault (core dumped)

So we've got to add a proper check here that the corresponding
bus is available.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1521193892-15552-2-git-send-email-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-03-26 14:37:13 +02:00
Greg Kurz 94b52958b7 virtio_net: flush uncompleted TX on reset
If the backend could not transmit a packet right away for some reason,
the packet is queued for asynchronous sending. The corresponding vq
element is tracked in the async_tx.elem field of the VirtIONetQueue,
for later freeing when the transmission is complete.

If a reset happens before completion, virtio_net_tx_complete() will push
async_tx.elem back to the guest anyway, and we end up with the inuse flag
of the vq being equal to -1. The next call to virtqueue_pop() is then
likely to fail with "Virtqueue size exceeded".

This can be reproduced easily by starting a guest with an hubport backend
that is not connected to a functional network, eg,

 -device virtio-net-pci,netdev=hub0 -netdev hubport,id=hub0,hubid=0

and no other -netdev hubport,hubid=0 on the command line.

The appropriate fix is to ensure that such an asynchronous transmission
cannot survive a device reset. So for all queues, we first try to send
the packet again, and eventually we purge it if the backend still could
not deliver it.

CC: qemu-stable@nongnu.org
Reported-by: R. Nageswara Sastry <nasastry@in.ibm.com>
Buglink: https://github.com/open-power-host-os/qemu/issues/37
Signed-off-by: Greg Kurz <groug@kaod.org>
Tested-by: R. Nageswara Sastry <nasastry@in.ibm.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2018-03-26 14:49:17 +08:00
Peter Maydell 7b1db0908d target-arm queue:
* arm/translate-a64: don't lose interrupts after unmasking via write to DAIF
  * sdhci: fix incorrect use of Error *
  * hw/intc/arm_gicv3: Fix secure-GIC NS ICC_PMR and ICC_RPR accesses
  * hw/arm/bcm2836: Use the Cortex-A7 instead of Cortex-A15
  * i.MX: Support serial RS-232 break properly
  * mach-virt: Set VM's SMBIOS system version to mc->name
  * target/arm: Honour MDCR_EL2.TDE when routing exceptions due to BKPT/BRK
  * target/arm: Factor out code to calculate FSR for debug exceptions
  * target/arm: Set FSR for BKPT, BRK when raising exception
  * target/arm: Always set FAR to a known unknown value for debug exceptions
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20180323' into staging

target-arm queue:
 * arm/translate-a64: don't lose interrupts after unmasking via write to DAIF
 * sdhci: fix incorrect use of Error *
 * hw/intc/arm_gicv3: Fix secure-GIC NS ICC_PMR and ICC_RPR accesses
 * hw/arm/bcm2836: Use the Cortex-A7 instead of Cortex-A15
 * i.MX: Support serial RS-232 break properly
 * mach-virt: Set VM's SMBIOS system version to mc->name
 * target/arm: Honour MDCR_EL2.TDE when routing exceptions due to BKPT/BRK
 * target/arm: Factor out code to calculate FSR for debug exceptions
 * target/arm: Set FSR for BKPT, BRK when raising exception
 * target/arm: Always set FAR to a known unknown value for debug exceptions

# gpg: Signature made Fri 23 Mar 2018 18:48:57 GMT
# gpg:                using RSA key 3C2525ED14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>"
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>"
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* remotes/pmaydell/tags/pull-target-arm-20180323:
  target/arm: Always set FAR to a known unknown value for debug exceptions
  target/arm: Set FSR for BKPT, BRK when raising exception
  target/arm: Factor out code to calculate FSR for debug exceptions
  target/arm: Honour MDCR_EL2.TDE when routing exceptions due to BKPT/BRK
  mach-virt: Set VM's SMBIOS system version to mc->name
  i.MX: Support serial RS-232 break properly
  hw/arm/bcm2836: Use the Cortex-A7 instead of Cortex-A15
  hw/intc/arm_gicv3: Fix secure-GIC NS ICC_PMR and ICC_RPR accesses
  sdhci: fix incorrect use of Error *
  arm/translate-a64: treat DISAS_UPDATE as variant of DISAS_EXIT

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-25 13:51:33 +01:00
Wei Huang dfadc3bfb4 mach-virt: Set VM's SMBIOS system version to mc->name
Instead of using "1.0" as the system version of SMBIOS, we should use
mc->name for mach-virt machine type to be consistent other architectures.
With this patch, "dmidecode -t 1" (e.g., "-M virt-2.12,accel=kvm") will
show:

    Handle 0x0100, DMI type 1, 27 bytes
    System Information
            Manufacturer: QEMU
            Product Name: KVM Virtual Machine
            Version: virt-2.12
            Serial Number: Not Specified
            ...

instead of:

    Handle 0x0100, DMI type 1, 27 bytes
    System Information
            Manufacturer: QEMU
            Product Name: KVM Virtual Machine
            Version: 1.0
            Serial Number: Not Specified
            ...

For backward compatibility, we allow older machine types to keep "1.0"
as the default system version.

Signed-off-by: Wei Huang <wei@redhat.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Message-id: 20180322212318.7182-1-wei@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-23 18:26:46 +00:00
Trent Piepho 478a573a7d i.MX: Support serial RS-232 break properly
Linux does not detect a break from this IMX serial driver as a magic
sysrq.  Nor does it note a break in the port error counts.

The former is because the Linux driver uses the BRCD bit in the USR2
register to trigger the RS-232 break handler in the kernel, which is
where sysrq hooks in.  The emulated UART was not setting this status
bit.

The latter is because the Linux driver expects, in addition to the BRK
bit, that the ERR bit is set when a break is read in the FIFO.  A break
should also count as a frame error, so add that bit too.

Cc: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Trent Piepho <tpiepho@impinj.com>
Message-id: 20180320013657.25038-1-tpiepho@impinj.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-23 18:26:45 +00:00
Peter Maydell 2b0b93210a hw/arm/bcm2836: Use the Cortex-A7 instead of Cortex-A15
The BCM2836 uses a Cortex-A7, not a Cortex-A15. Update the device to
use the correct CPU.
https://www.raspberrypi.org/documentation/hardware/raspberrypi/bcm2836/QA7_rev3.4.pdf

When the BCM2836 was introduced (bad5623690) the Cortex-A7 was not
available, so the very similar Cortex-A15 was used. Since dcf578ed8c
we can model the correct core.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alistair Francis <alistair@alistair23.me>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20180319110215.16755-1-peter.maydell@linaro.org
2018-03-23 18:26:45 +00:00
Peter Maydell a2e2d7fc46 hw/intc/arm_gicv3: Fix secure-GIC NS ICC_PMR and ICC_RPR accesses
If the GIC has the security extension support enabled, then a
non-secure access to ICC_PMR must take account of the non-secure
view of interrupt priorities, where real priorities 0x00..0x7f
are secure-only and not visible to the non-secure guest, and
priorities 0x80..0xff are shown to the guest as if they were
0x00..0xff. We had the logic here wrong:
 * on reads, the priority is in the secure range if bit 7
   is clear, not if it is set
 * on writes, we want to set bit 7, not mask everything else

Our ICC_RPR read code had the same error as ICC_PMR.

(Compare the GICv3 spec pseudocode functions ICC_RPR_EL1
and ICC_PMR_EL1.)

Fixes: https://bugs.launchpad.net/qemu/+bug/1748434
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Message-id: 20180315133441.24149-1-peter.maydell@linaro.org
2018-03-23 18:26:45 +00:00
Paolo Bonzini 544156efcf sdhci: fix incorrect use of Error *
Detected by Coverity (CID 1386072, 1386073, 1386076, 1386077).  local_err
was unused, and this made the static analyzer unhappy.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20180320151355.25854-1-pbonzini@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-23 18:26:45 +00:00
Yuval Shaia 6f559013c8 hw/rdma: Fix 32-bit compilation
Use the correct printf formats, so that a 32-bit compile doesn't spit
out lots of warnings about %lx being incompatible with uint64_t.

Suggested-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Tested-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180322095220.9976-4-yuval.shaia@oracle.com>
Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
2018-03-23 18:38:55 +03:00
Yuval Shaia 94f480b8db hw/rdma: Use correct print format in CHK_ATTR macro
Macro should not cast the given variable to u64 instead it should use
the supplied format argument (fmt).

Reported-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Tested-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180322095220.9976-3-yuval.shaia@oracle.com>
Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
2018-03-23 18:38:55 +03:00
Yuval Shaia 9bbb8d3577 hw/rdma: Change host_virt to void *
To avoid compilation warnings on 32-bit machines:
rdma_backend.c: In function 'rdma_backend_create_mr':
rdma_backend.c:409:37: error: cast to pointer from integer of different
size [-Werror=int-to-pointer-cast]
	mr->ibmr = ibv_reg_mr(pd->ibpd, (void *)addr, length, access);

Reported-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Tested-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180322095220.9976-2-yuval.shaia@oracle.com>
Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
2018-03-23 18:38:55 +03:00
Marcel Apfelbaum 197053e212 hw/rdma: fix clang compilation errors
Fix some enum castings and extra parentheses.

Reported-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
Message-Id: <20180321140316.96045-1-marcel@redhat.com>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
2018-03-23 18:38:55 +03:00
Michael S. Tsirkin 0efc9511aa rdma: fix up include directives
Our rule right now is to use <> for external headers only.
RDMA code violates that, fix it up.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
2018-03-23 18:38:55 +03:00
Yuval Shaia 79cfdca7aa hw/rdma: Add support for Query QP verb to pvrdma device
This IB verb is needed by some applications - implement it.

Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
2018-03-23 18:38:55 +03:00
Yuval Shaia c99f217431 hw/rdma: Add Query QP operation
This operation is needed by rdma devices - implement it.

Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
2018-03-23 18:38:55 +03:00
Yi Min Zhao 57da367b9e s390x/pci: forbid multifunction pci device
Currently we don't support pci multifunction. If a pci with
multifucntion is plugged, the guest will spin forever. This patch fixes
this.

Signed-off-by: Yi Min Zhao <zyimin@linux.vnet.ibm.com>
Reviewed-by: Pierre Morel <pmorel@linux.vnet.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
2018-03-23 09:05:18 +00:00
Peter Maydell 211d626020 Multiboot patches
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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging

Multiboot patches

# gpg: Signature made Wed 21 Mar 2018 14:38:36 GMT
# gpg:                using RSA key 7F09B272C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74  56FE 7F09 B272 C88F 2FD6

* remotes/kevin/tags/for-upstream:
  tests/multiboot: Add .gitignore
  tests/multiboot: Add tests for the a.out kludge
  tests/multiboot: Test exit code for every qemu run
  multiboot: Check validity of mh_header_addr
  multiboot: Reject kernels exceeding the address space

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-22 14:01:29 +00:00
Kevin Wolf dbf2dce7aa multiboot: Check validity of mh_header_addr
I couldn't find a case where this prevents something bad from happening
that isn't already caught by other checks, but let's err on the safe
side and check that mh_header_addr is as expected.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Jack Schwartz <jack.schwartz@oracle.com>
2018-03-21 15:13:25 +01:00
Kevin Wolf b17a9054a0 multiboot: Reject kernels exceeding the address space
The code path where mh_load_end_addr is non-zero in the Multiboot
header checks that mh_load_end_addr >= mh_load_addr and so
mb_load_size is checked.  However, mb_load_size is not checked when
calculated from the file size, when mh_load_end_addr is 0.

If the kernel binary size is larger than can fit in the address space
after load_addr, we ended up with a kernel_size that is smaller than
load_size, which means that we read the file into a too small buffer.

Add a check to reject kernel files with such Multiboot headers.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Jack Schwartz <jack.schwartz@oracle.com>
2018-03-21 15:13:25 +01:00
Stefan Berger ffbf24bdb2 tpm: CRB: query backend for TPM established flag
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2018-03-21 08:01:03 -04:00
Stefan Berger de4a22d0fa tpm: CRB: reset locAssigned upon relinquishing locality
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2018-03-21 08:00:57 -04:00
Stefan Berger e1880ed80a tpm: CRB: set registers to 0 by default
Initialize all registers of the CRB device to 0. This clears a few
flags upon a reset.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2018-03-21 08:00:50 -04:00
Stefan Berger be052a3b3d tpm: CRB: Set tpmRegValidSts flag to '1' in device reset
Fix the initialization of the tpmRegValidSts flag and set it to '1'
during device reset without expecting a write to another register.
This seems to also be the default behavior of real hardware.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2018-03-21 08:00:31 -04:00
Peter Maydell ed627b2ad3 virtio,vhost,pci,pc: features, cleanups
SRAT tables for DIMM devices
 new virtio net flags for speed/duplex
 post-copy migration support in vhost
 cleanups in pci
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
 -----BEGIN PGP SIGNATURE-----
 
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

virtio,vhost,pci,pc: features, cleanups

SRAT tables for DIMM devices
new virtio net flags for speed/duplex
post-copy migration support in vhost
cleanups in pci

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Tue 20 Mar 2018 14:40:43 GMT
# gpg:                using RSA key 281F0DB8D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>"
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17  0970 C350 3912 AFBE 8E67
#      Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA  8A0D 281F 0DB8 D28D 5469

* remotes/mst/tags/for_upstream: (51 commits)
  postcopy shared docs
  libvhost-user: Claim support for postcopy
  postcopy: Allow shared memory
  vhost: Huge page align and merge
  vhost+postcopy: Wire up POSTCOPY_END notify
  vhost-user: Add VHOST_USER_POSTCOPY_END message
  libvhost-user: mprotect & madvises for postcopy
  vhost+postcopy: Call wakeups
  vhost+postcopy: Add vhost waker
  postcopy: postcopy_notify_shared_wake
  postcopy: helper for waking shared
  vhost+postcopy: Resolve client address
  postcopy-ram: add a stub for postcopy_request_shared_page
  vhost+postcopy: Helper to send requests to source for shared pages
  vhost+postcopy: Stash RAMBlock and offset
  vhost+postcopy: Send address back to qemu
  libvhost-user+postcopy: Register new regions with the ufd
  migration/ram: ramblock_recv_bitmap_test_byte_offset
  postcopy+vhost-user: Split set_mem_table for postcopy
  vhost+postcopy: Transmit 'listen' to slave
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

# Conflicts:
#	scripts/update-linux-headers.sh
2018-03-20 15:48:34 +00:00
Dr. David Alan Gilbert c1ece84e7c vhost: Huge page align and merge
Align RAMBlocks to page size alignment, and adjust the merging code
to deal with partial overlap due to that alignment.

This is needed for postcopy so that we can place/fetch whole hugepages
when under userfault.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2018-03-20 16:40:37 +02:00
Dr. David Alan Gilbert 46343570c0 vhost+postcopy: Wire up POSTCOPY_END notify
Wire up a call to VHOST_USER_POSTCOPY_END message to the vhost clients
right before we ask the listener thread to shutdown.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2018-03-20 16:40:37 +02:00
Dr. David Alan Gilbert c639187e33 vhost-user: Add VHOST_USER_POSTCOPY_END message
This message is sent just before the end of postcopy to get the
client to stop using userfault since we wont respond to any more
requests.  It should close userfaultfd so that any other pages
get mapped to the backing file automatically by the kernel, since
at this point we know we've received everything.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2018-03-20 16:40:37 +02:00
Dr. David Alan Gilbert c07e36158f vhost+postcopy: Add vhost waker
Register a waker function in vhost-user code to be notified when
pages arrive or requests to previously mapped pages get requested.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2018-03-20 16:40:37 +02:00
Dr. David Alan Gilbert 375318d03f vhost+postcopy: Resolve client address
Resolve fault addresses read off the clients UFD into RAMBlock
and offset, and call back to the postcopy code to ask for the page.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2018-03-20 16:40:19 +02:00
Peter Maydell 036793aebf Machine and x86 queue, 2018-03-19
* cpu_model/cpu_type cleanups
 * x86: Fix on Intel Processor Trace CPUID checks
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Merge remote-tracking branch 'remotes/ehabkost/tags/machine-next-pull-request' into staging

Machine and x86 queue, 2018-03-19

* cpu_model/cpu_type cleanups
* x86: Fix on Intel Processor Trace CPUID checks

# gpg: Signature made Mon 19 Mar 2018 20:07:14 GMT
# gpg:                using RSA key 2807936F984DC5A6
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>"
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF  D1AA 2807 936F 984D C5A6

* remotes/ehabkost/tags/machine-next-pull-request:
  i386: Disable Intel PT if packets IP payloads have LIP values
  cpu: drop unnecessary NULL check and cpu_common_class_by_name()
  cpu: get rid of unused cpu_init() defines
  Use cpu_create(type) instead of cpu_init(cpu_model)
  cpu: add CPU_RESOLVING_TYPE macro
  tests: add machine 'none' with -cpu test
  nios2: 10m50_devboard: replace cpu_model with cpu_type

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-20 12:56:20 +00:00
Peter Maydell 4bdc24fa01 qapi patches for 2018-03-12, 2.12 softfreeze
- Marc-André Lureau: 0/4 qapi: generate a literal qobject for introspection
 - Max Reitz: 0/7 block: Handle null backing link
 - Daniel P. Berrange: chardev: tcp: postpone TLS work until machine done
 - Peter Xu: 00/23 QMP: out-of-band (OOB) execution support
 - Vladimir Sementsov-Ogievskiy: 0/2 block latency histogram
 - Eric Blake: qapi: Pass '-u' when doing non-silent diff
 -----BEGIN PGP SIGNATURE-----
 Comment: Public key at http://people.redhat.com/eblake/eblake.gpg
 
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 =Ed01
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/ericb/tags/pull-qapi-2018-03-12-v4' into staging

qapi patches for 2018-03-12, 2.12 softfreeze

- Marc-André Lureau: 0/4 qapi: generate a literal qobject for introspection
- Max Reitz: 0/7 block: Handle null backing link
- Daniel P. Berrange: chardev: tcp: postpone TLS work until machine done
- Peter Xu: 00/23 QMP: out-of-band (OOB) execution support
- Vladimir Sementsov-Ogievskiy: 0/2 block latency histogram
- Eric Blake: qapi: Pass '-u' when doing non-silent diff

# gpg: Signature made Mon 19 Mar 2018 19:59:04 GMT
# gpg:                using RSA key A7A16B4A2527436A
# gpg: Good signature from "Eric Blake <eblake@redhat.com>"
# gpg:                 aka "Eric Blake (Free Software Programmer) <ebb9@byu.net>"
# gpg:                 aka "[jpeg image of size 6874]"
# Primary key fingerprint: 71C2 CC22 B1C4 6029 27D2  F3AA A7A1 6B4A 2527 436A

* remotes/ericb/tags/pull-qapi-2018-03-12-v4: (38 commits)
  qapi: Pass '-u' when doing non-silent diff
  qapi: add block latency histogram interface
  block/accounting: introduce latency histogram
  tests: qmp-test: add oob test
  tests: qmp-test: verify command batching
  qmp: add command "x-oob-test"
  monitor: enable IO thread for (qmp & !mux) typed
  qmp: isolate responses into io thread
  qmp: support out-of-band (oob) execution
  qapi: introduce new cmd option "allow-oob"
  monitor: send event when command queue full
  qmp: add new event "command-dropped"
  monitor: separate QMP parser and dispatcher
  monitor: let suspend/resume work even with QMPs
  monitor: let suspend_cnt be thread safe
  monitor: introduce monitor_qmp_respond()
  qmp: introduce QMPCapability
  monitor: allow using IO thread for parsing
  monitor: let mon_list be tail queue
  monitor: unify global init
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-20 09:51:49 +00:00
Dr. David Alan Gilbert 905125d0e2 vhost+postcopy: Stash RAMBlock and offset
Stash the RAMBlock and offset for later use looking up
addresses.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2018-03-20 05:03:28 +02:00
Dr. David Alan Gilbert 9bb3801994 vhost+postcopy: Send address back to qemu
We need a better way, but at the moment we need the address of the
mappings sent back to qemu so it can interpret the messages on the
userfaultfd it reads.

This is done as a 3 stage set:
   QEMU -> client
      set_mem_table

   mmap stuff, get addresses

   client -> qemu
       here are the addresses

   qemu -> client
       OK - now you can use them

That ensures that qemu has registered the new addresses in it's
userfault code before the client starts accessing them.

Note: We don't ask for the default 'ack' reply since we've got our own.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2018-03-20 05:03:28 +02:00
Dr. David Alan Gilbert 55d754b307 postcopy+vhost-user: Split set_mem_table for postcopy
Split the set_mem_table routines in both qemu and libvhost-user
because the postcopy versions are going to be quite different
once changes in the later patches are added. However, this patch
doesn't produce any functional change, just the split.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2018-03-20 05:03:28 +02:00
Dr. David Alan Gilbert 6864a7b5ac vhost+postcopy: Transmit 'listen' to slave
Notify the vhost-user slave on reception of the 'postcopy-listen'
event from the source.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2018-03-20 05:03:28 +02:00
Dr. David Alan Gilbert f82c11165f vhost+postcopy: Register shared ufd with postcopy
Register the UFD that comes in as the response to the 'advise' method
with the postcopy code.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2018-03-20 05:03:28 +02:00
Dr. David Alan Gilbert d3dff7a5a1 vhost-user: Add 'VHOST_USER_POSTCOPY_ADVISE' message
Wire up a notifier to send a VHOST_USER_POSTCOPY_ADVISE
message on an incoming advise.

Later patches will fill in the behaviour/contents of the
message.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2018-03-20 05:03:27 +02:00
Dr. David Alan Gilbert 9ccbfe14dd postcopy: Add vhost-user flag for postcopy and check it
Add a vhost feature flag for postcopy support, and
use the postcopy notifier to check it before allowing postcopy.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2018-03-20 05:03:27 +02:00
Haozhong Zhang 848a1cc1e8 hw/acpi-build: build SRAT memory affinity structures for DIMM devices
ACPI 6.2A Table 5-129 "SPA Range Structure" requires the proximity
domain of a NVDIMM SPA range must match with corresponding entry in
SRAT table.

The address ranges of vNVDIMM in QEMU are allocated from the
hot-pluggable address space, which is entirely covered by one SRAT
memory affinity structure. However, users can set the vNVDIMM
proximity domain in NFIT SPA range structure by the 'node' property of
'-device nvdimm' to a value different than the one in the above SRAT
memory affinity structure.

In order to solve such proximity domain mismatch, this patch builds
one SRAT memory affinity structure for each DIMM device present at
boot time, including both PC-DIMM and NVDIMM, with the proximity
domain specified in '-device pc-dimm' or '-device nvdimm'.

The remaining hot-pluggable address space is covered by one or multiple
SRAT memory affinity structures with the proximity domain of the last
node as before.

Signed-off-by: Haozhong Zhang <haozhong.zhang@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2018-03-20 03:34:52 +02:00
Haozhong Zhang 6388e18de9 qmp: distinguish PC-DIMM and NVDIMM in MemoryDeviceInfoList
It may need to treat PC-DIMM and NVDIMM differently, e.g., when
deciding the necessity of non-volatile flag bit in SRAT memory
affinity structures.

A new field 'nvdimm' is added to the union type MemoryDeviceInfo for
such purpose. Its type is currently PCDIMMDeviceInfo and will be
updated when necessary in the future.

It also fixes "info memory-devices"/query-memory-devices which
currently show nvdimm devices as dimm devices since
object_dynamic_cast(obj, TYPE_PC_DIMM) happily cast nvdimm to
TYPE_PC_DIMM which it's been inherited from.

Signed-off-by: Haozhong Zhang <haozhong.zhang@intel.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2018-03-20 03:34:52 +02:00
Haozhong Zhang 52c95cae4e pc-dimm: make qmp_pc_dimm_device_list() sort devices by address
Make qmp_pc_dimm_device_list() return sorted by start address
list of devices so that it could be reused in places that
would need sorted list*. Reuse existing pc_dimm_built_list()
to get sorted list.

While at it hide recursive callbacks from callers, so that:

  qmp_pc_dimm_device_list(qdev_get_machine(), &list);

could be replaced with simpler:

  list = qmp_pc_dimm_device_list();

* follow up patch will use it in build_srat()

Signed-off-by: Haozhong Zhang <haozhong.zhang@intel.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au> for ppc part
Reviewed-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2018-03-20 03:34:52 +02:00
Philippe Mathieu-Daudé 1d0cad532c hw/pci: remove obsolete PCIDevice->init()
All PCI devices are now QOM'ified.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2018-03-20 03:34:52 +02:00
Max Reitz 7dc847ebba qapi: Replace qobject_to_X(o) by qobject_to(X, o)
This patch was generated using the following Coccinelle script:

@@
expression Obj;
@@
(
- qobject_to_qnum(Obj)
+ qobject_to(QNum, Obj)
|
- qobject_to_qstring(Obj)
+ qobject_to(QString, Obj)
|
- qobject_to_qdict(Obj)
+ qobject_to(QDict, Obj)
|
- qobject_to_qlist(Obj)
+ qobject_to(QList, Obj)
|
- qobject_to_qbool(Obj)
+ qobject_to(QBool, Obj)
)

and a bit of manual fix-up for overly long lines and three places in
tests/check-qjson.c that Coccinelle did not find.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Message-Id: <20180224154033.29559-4-mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[eblake: swap order from qobject_to(o, X), rebase to master, also a fix
to latent false-positive compiler complaint about hw/i386/acpi-build.c]
Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-19 14:58:36 -05:00
Peter Maydell ff72cb6b46 hw/arm/raspi: Provide spin-loop code for AArch64 CPUs
The raspi3 has AArch64 CPUs, which means that our smpboot
code for keeping the secondary CPUs in a pen needs to have
a version for A64 as well as A32. Without this, the
secondary CPUs go into an infinite loop of taking undefined
instruction exceptions.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20180313153458.26822-10-peter.maydell@linaro.org
2018-03-19 18:23:24 +00:00
Peter Maydell 210f47840d hw/arm/bcm2836: Hardcode correct CPU type
Now we have separate types for BCM2386 and BCM2387, we might as well
just hard-code the CPU type they use rather than having it passed
through as an object property. This then lets us put the initialization
of the CPU object in init rather than realize.

Note that this change means that it's no longer possible on
the command line to use -cpu to ask for a different kind of
CPU than the SoC supports. This was never a supported thing to
do anyway; we were just not sanity-checking the command line.

This does require us to only build the bcm2837 object on
TARGET_AARCH64 configs, since otherwise it won't instantiate
due to the missing cortex-a53 device and "make check" will fail.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Andrew Baumann <Andrew.Baumann@microsoft.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20180313153458.26822-9-peter.maydell@linaro.org
2018-03-19 18:23:24 +00:00