Commit Graph

79272 Commits

Author SHA1 Message Date
Philippe Mathieu-Daudé
ca05a240d4 hw/misc/aspeed_sdmc: Fix incorrect memory size
The SDRAM Memory Controller has a 32-bit address bus, thus
supports up to 4 GiB of DRAM. There is a signed to unsigned
conversion error with the AST2600 maximum memory size:

  (uint64_t)(2048 << 20) = (uint64_t)(-2147483648)
                         = 0xffffffff40000000
                         = 16 EiB - 2 GiB

Fix by using the IEC suffixes which are usually safer, and add
an assertion check to verify the memory is valid. This would have
caught this bug:

  $ qemu-system-arm -M ast2600-evb
  qemu-system-arm: hw/misc/aspeed_sdmc.c:258: aspeed_sdmc_realize: Assertion `asc->max_ram_size < 4 * GiB' failed.
  Aborted (core dumped)

Fixes: 1550d72679 ("aspeed/sdmc: Add AST2600 support")
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-07-27 16:12:10 +01:00
Dongjiu Geng
4bf7c0cb09 ACPI: Assert that we don't run out of the preallocated memory
data_length is a constant value, so we use assert instead of
condition check.

Signed-off-by: Dongjiu Geng <gengdongjiu@huawei.com>
Message-id: 20200622113146.33421-1-gengdongjiu@huawei.com
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-07-27 16:12:10 +01:00
Mark Cave-Ayland
54414d0fb1 Update OpenBIOS images to 7f28286f built from submodule.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Cc: qemu-stable@nongnu.org
2020-07-27 16:08:24 +01:00
Peter Maydell
cb320a07e6 Various fixes for rc2:
- get shippable working again
   - semihosting bug fixes
   - tweak tb-size handling for low memory machines
   - i386 compound literal float fix
   - linux-user MAP_FIXED->MAP_NOREPLACE on fallback
   - docker binfmt_misc fixes
   - linux-user nanosleep fix
   - tests/vm drain console fixes
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Merge remote-tracking branch 'remotes/stsquad/tags/pull-fixes-for-rc2-270720-1' into staging

Various fixes for rc2:

  - get shippable working again
  - semihosting bug fixes
  - tweak tb-size handling for low memory machines
  - i386 compound literal float fix
  - linux-user MAP_FIXED->MAP_NOREPLACE on fallback
  - docker binfmt_misc fixes
  - linux-user nanosleep fix
  - tests/vm drain console fixes

# gpg: Signature made Mon 27 Jul 2020 09:45:31 BST
# gpg:                using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8  DF35 FBD0 DB09 5A9E 2A44

* remotes/stsquad/tags/pull-fixes-for-rc2-270720-1:
  tests/vm: add shutdown timeout in basevm.py
  python/qemu: Change ConsoleSocket to optionally drain socket.
  python/qemu: Cleanup changes to ConsoleSocket
  linux-user, ppc: fix clock_nanosleep() for linux-user-ppc
  linux-user: fix clock_nanosleep()
  tests/docker: add support for DEB_KEYRING
  tests/docker: fix binfmt_misc image building
  tests/docker: fix update command due to python3 str/bytes distinction
  linux-user: don't use MAP_FIXED in pgd_find_hole_fallback
  target/i386: floatx80: avoid compound literals in static initializers
  accel/tcg: better handle memory constrained systems
  util/oslib-win32: add qemu_get_host_physmem implementation
  util: add qemu_get_host_physmem utility function
  semihosting: don't send the trailing '\0'
  semihosting: defer connect_chardevs a little more to use serialx
  shippable: add one more qemu to registry url

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-07-27 15:55:56 +01:00
Max Reitz
1855536256 iotests/197: Fix for compat=0.10
Writing zeroes to a qcow2 v2 images without a backing file results in an
unallocated cluster as of 61b3043965.  197 has a test for COR-ing a
cluster on an image without a backing file, which means that the data
will be zero, so now on a v2 image that cluster will just stay
unallocated, and so the test fails.  Just force compat=1.1 for that
particular case to enforce the cluster to get allocated.

Fixes: 61b3043965
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20200727135237.1096841-1-mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2020-07-27 16:35:17 +02:00
Philippe Mathieu-Daudé
d0d89526f7 MAINTAINERS: Cover the firmware JSON schema
Add an entry to cover firmware.json (see commit 3a0adfc9bf:
schema that describes the different uses and properties of
virtual machine firmware).

Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Kashyap Chamarthy <kchamart@redhat.com>
Cc: Daniel P. Berrange <berrange@redhat.com>
Suggested-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200703183450.32398-1-philmd@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Kashyap Chamarthy <kchamart@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-07-27 10:28:28 -04:00
Cindy Lu
386494f29e vhost-vdpa :Fix Coverity CID 1430270 / CID 1420267
In the function vhost_vdpa_dma_map/unmap, The struct msg was not initialized all its fields.

Signed-off-by: Cindy Lu <lulu@redhat.com>
Message-Id: <20200710064642.24505-1-lulu@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Li Qiang <liq3ea@gmail.com>
Cc: qemu-stable@nongnu.org
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-07-27 10:28:28 -04:00
Philippe Mathieu-Daudé
8fe9805c73 libvhost-user: Report descriptor index on panic
We want to report the index of the descriptor,
not its pointer.

Fixes: 7b2e5c65f4 ("contrib: add libvhost-user")
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200723171935.18535-1-philmd@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Cc: qemu-stable@nongnu.org
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-07-27 10:28:28 -04:00
Raphael Norwitz
4fdecf0543 Fix vhost-user buffer over-read on ram hot-unplug
The VHOST_USER_PROTOCOL_F_CONFIGURE_MEM_SLOTS vhost-user protocol
feature introduced a shadow-table, used by the backend to dynamically
determine how a vdev's memory regions have changed since the last
vhost_user_set_mem_table() call. On hot-remove, a memmove() operation
is used to overwrite the removed shadow region descriptor(s). The size
parameter of this memmove was off by 1 such that if a VM with a backend
supporting the VHOST_USER_PROTOCOL_F_CONFIGURE_MEM_SLOTS filled it's
shadow-table (by performing the maximum number of supported hot-add
operatons) and attempted to remove the last region, Qemu would read an
out of bounds value and potentially crash.

This change fixes the memmove() bounds such that this erroneous read can
never happen.

Signed-off-by: Peter Turschmid <peter.turschm@nutanix.com>
Signed-off-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
Message-Id: <1594799958-31356-1-git-send-email-raphael.norwitz@nutanix.com>
Fixes: f1aeb14b08 ("Transmit vhost-user memory regions individually")
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Cc: qemu-stable@nongnu.org
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-07-27 10:28:28 -04:00
Hogan Wang
2ebc21216f hw/pci-host: save/restore pci host config register
The pci host config register is used to save PCI address for
read/write config data. If guest writes a value to config register,
and then QEMU pauses the vcpu to migrate, after the migration, the guest
will continue to write pci config data, and the write data will be ignored
because of new qemu process losing the config register state.

To trigger the bug:
1. guest is booting in seabios.
2. guest enables the SMRAM in seabios:piix4_apmc_smm_setup, and then
   expects to disable the SMRAM by pci_config_writeb.
3. after guest writes the pci host config register, QEMU pauses vcpu
   to finish migration.
4. guest write of config data(0x0A) fails to disable the SMRAM because
   the config register state is lost.
5. guest continues to boot and crashes in ipxe option ROM due to SMRAM
   in enabled state.

Example Reproducer:

step 1. Make modifications to seabios and qemu for increase reproduction
efficiency, write 0xf0 to 0x402 port notify qemu to stop vcpu after
0x0cf8 port wrote i440 configure register. qemu stop vcpu when catch
0x402 port wrote 0xf0.

seabios:/src/hw/pci.c
@@ -52,6 +52,11 @@ void pci_config_writeb(u16 bdf, u32 addr, u8 val)
         writeb(mmconfig_addr(bdf, addr), val);
     } else {
         outl(ioconfig_cmd(bdf, addr), PORT_PCI_CMD);
+       if (bdf == 0 && addr == 0x72 && val == 0xa) {
+            dprintf(1, "stop vcpu\n");
+            outb(0xf0, 0x402); // notify qemu to stop vcpu
+            dprintf(1, "resume vcpu\n");
+        }
         outb(val, PORT_PCI_DATA + (addr & 3));
     }
 }

qemu:hw/char/debugcon.c
@@ -60,6 +61,9 @@ static void debugcon_ioport_write(void *opaque, hwaddr addr, uint64_t val,
     printf(" [debugcon: write addr=0x%04" HWADDR_PRIx " val=0x%02" PRIx64 "]\n", addr, val);
 #endif

+    if (ch == 0xf0) {
+        vm_stop(RUN_STATE_PAUSED);
+    }
     /* XXX this blocks entire thread. Rewrite to use
      * qemu_chr_fe_write and background I/O callbacks */
     qemu_chr_fe_write_all(&s->chr, &ch, 1);

step 2. start vm1 by the following command line, and then vm stopped.
$ qemu-system-x86_64 -machine pc-i440fx-5.0,accel=kvm\
 -netdev tap,ifname=tap-test,id=hostnet0,vhost=on,downscript=no,script=no\
 -device virtio-net-pci,netdev=hostnet0,id=net0,bus=pci.0,addr=0x13,bootindex=3\
 -device cirrus-vga,id=video0,vgamem_mb=16,bus=pci.0,addr=0x2\
 -chardev file,id=seabios,path=/var/log/test.seabios,append=on\
 -device isa-debugcon,iobase=0x402,chardev=seabios\
 -monitor stdio

step 3. start vm2 to accept vm1 state.
$ qemu-system-x86_64 -machine pc-i440fx-5.0,accel=kvm\
 -netdev tap,ifname=tap-test1,id=hostnet0,vhost=on,downscript=no,script=no\
 -device virtio-net-pci,netdev=hostnet0,id=net0,bus=pci.0,addr=0x13,bootindex=3\
 -device cirrus-vga,id=video0,vgamem_mb=16,bus=pci.0,addr=0x2\
 -chardev file,id=seabios,path=/var/log/test.seabios,append=on\
 -device isa-debugcon,iobase=0x402,chardev=seabios\
 -monitor stdio \
 -incoming tcp:127.0.0.1:8000

step 4. execute the following qmp command in vm1 to migrate.
(qemu) migrate tcp:127.0.0.1:8000

step 5. execute the following qmp command in vm2 to resume vcpu.
(qemu) cont
Before this patch, we get KVM "emulation failure" error on vm2.
This patch fixes it.

Cc: qemu-stable@nongnu.org
Signed-off-by: Hogan Wang <hogan.wang@huawei.com>
Message-Id: <20200727084621.3279-1-hogan.wang@huawei.com>
Reported-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>
2020-07-27 10:24:39 -04:00
David Hildenbrand
c22aba1963 virtio-mem-pci: force virtio version 1
Trying to run simple virtio-mem-pci examples currently fails with
    qemu-system-x86_64: -device virtio-mem-pci,id=vm0,memdev=mem0,node=0,
    requested-size=300M: device is modern-only, use disable-legacy=on
due to the added safety checks in 9b3a35ec82 ("virtio: verify that legacy
support is not accidentally on").

As noted by Conny, we have to force virtio version 1. While at it, use
qdev_realize() to set the parent bus and realize - like most other
virtio-*-pci implementations.

Fixes: 0b9a2443a4 ("virtio-pci: Proxy for virtio-mem")
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Cc: Cornelia Huck <cohuck@redhat.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20200727115905.129397-1-david@redhat.com>
Cc: qemu-stable@nongnu.org
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-07-27 09:38:33 -04:00
Thomas Huth
733dafe491 iotests: Select a default machine for the rx and avr targets
If you are building only with either the new rx-softmmu or avr-softmmu
target, "make check-block" fails a couple of tests since there is no
default machine defined in these new targets. We have to select a machine
in the "check" script for these, just like we already do for the arm- and
tricore-softmmu targets.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20200722161908.25383-1-thuth@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-07-27 12:37:25 +02:00
Max Reitz
984c367814 block/amend: Check whether the node exists
We should check whether the user-specified node-name actually refers to
a node.  The simplest way to do that is to use bdrv_lookup_bs() instead
of bdrv_find_node() (the former wraps the latter, and produces an error
message if necessary).

Reported-by: Coverity (CID 1430268)
Fixes: ced914d0ab
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20200710095037.10885-1-mreitz@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
2020-07-27 12:37:25 +02:00
Robert Foley
4a70232b1d tests/vm: add shutdown timeout in basevm.py
We are adding the shutdown timeout to solve an issue
we now see where the aarch64 VMs timeout on shutdown
under TCG.

There is a new 3 second timeout in machine.py,
which we override in basevm.py when shutting down.

Signed-off-by: Robert Foley <robert.foley@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20200717203041.9867-4-robert.foley@linaro.org>
Message-Id: <20200724064509.331-17-alex.bennee@linaro.org>
2020-07-27 09:41:58 +01:00
Robert Foley
80ded8e99d python/qemu: Change ConsoleSocket to optionally drain socket.
The primary purpose of this change is to clean up
machine.py's console_socket property to return a single type,
a ConsoleSocket.

ConsoleSocket now derives from a socket, which means that
in the default case (of not draining), machine.py
will see the same behavior as it did prior to ConsoleSocket.

Signed-off-by: Robert Foley <robert.foley@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20200717203041.9867-3-robert.foley@linaro.org>
Message-Id: <20200724064509.331-16-alex.bennee@linaro.org>
2020-07-27 09:41:56 +01:00
Robert Foley
4b84d87449 python/qemu: Cleanup changes to ConsoleSocket
The changes to console_socket.py and machine.py are to
cleanup for pylint and flake8.

Signed-off-by: Robert Foley <robert.foley@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200717203041.9867-2-robert.foley@linaro.org>
Message-Id: <20200724064509.331-15-alex.bennee@linaro.org>
2020-07-27 09:41:52 +01:00
Laurent Vivier
445883885a linux-user, ppc: fix clock_nanosleep() for linux-user-ppc
Our safe_clock_nanosleep() returns -1 and updates errno.

We don't need to update the CRF bit in syscall.c because it will
be updated in ppc/cpu_loop.c as the return value is negative.

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200722174612.2917566-3-laurent@vivier.eu>
Message-Id: <20200724064509.331-14-alex.bennee@linaro.org>
2020-07-27 09:41:47 +01:00
Laurent Vivier
8ec68a0a87 linux-user: fix clock_nanosleep()
If the call is interrupted by a signal handler, it fails with error EINTR
and if "remain" is not NULL and "flags" is not TIMER_ABSTIME, it returns
the remaining unslept time in "remain".

Update linux-user to not overwrite the "remain" structure if there is no
error.

Found with "make check-tcg", linux-test fails on nanosleep test:

  TEST    linux-test on x86_64
.../tests/tcg/multiarch/linux-test.c:242: nanosleep

Reported-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200722174612.2917566-2-laurent@vivier.eu>
Message-Id: <20200724064509.331-13-alex.bennee@linaro.org>
2020-07-27 09:41:41 +01:00
Alex Bennée
4c5aeb1238 tests/docker: add support for DEB_KEYRING
For installing stuff from sid or ports you may need to manually
specify the location of the keyring. You can even import keys into
your personal keyring and point it there, e.g.:

  gpg --keyserver keyring.debian.org --recv-keys 84C573CD4E1AFD6C
  make docker-binfmt-image-debian-sid-hppa DEB_TYPE=sid DEB_ARCH=hppa \
      DEB_URL=http://ftp.ports.debian.org/debian-ports/ \
      EXECUTABLE=./hppa-linux-user/qemu-hppa V=1 \
      DEB_KEYRING=${HOME}/.gnupg/pubring.kbx

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200724064509.331-12-alex.bennee@linaro.org>
2020-07-27 09:41:35 +01:00
Alex Bennée
182ec06076 tests/docker: fix binfmt_misc image building
When we updated the arguments for docker.py we missed a bit.

Fixes: dfae628459 ("docker.py/build: support -t and -f arguments")
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200724064509.331-11-alex.bennee@linaro.org>
2020-07-27 09:41:22 +01:00
Alex Bennée
e336cec3a5 tests/docker: fix update command due to python3 str/bytes distinction
Does this seem convoluted to you? It feels a little complicated to me.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20200724064509.331-10-alex.bennee@linaro.org>
2020-07-27 09:41:18 +01:00
Alex Bennée
2667e069e7 linux-user: don't use MAP_FIXED in pgd_find_hole_fallback
Plain MAP_FIXED has the undesirable behaviour of splatting exiting
maps so we don't actually achieve what we want when looking for gaps.
We should be using MAP_FIXED_NOREPLACE. As this isn't always available
we need to potentially check the returned address to see if the kernel
gave us what we asked for.

Fixes: ad592e37df ("linux-user: provide fallback pgd_find_hole for bare chroots")
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200724064509.331-9-alex.bennee@linaro.org>
2020-07-27 09:41:18 +01:00
Laszlo Ersek
163b3d1af2 target/i386: floatx80: avoid compound literals in static initializers
Quoting ISO C99 6.7.8p4, "All the expressions in an initializer for an
object that has static storage duration shall be constant expressions or
string literals".

The compound literal produced by the make_floatx80() macro is not such a
constant expression, per 6.6p7-9. (An implementation may accept it,
according to 6.6p10, but is not required to.)

Therefore using "floatx80_zero" and make_floatx80() for initializing
"f2xm1_table" and "fpatan_table" is not portable. And gcc-4.8 in RHEL-7.6
actually chokes on them:

> target/i386/fpu_helper.c:871:5: error: initializer element is not constant
>      { make_floatx80(0xbfff, 0x8000000000000000ULL),
>      ^

We've had the make_floatx80_init() macro for this purpose since commit
3bf7e40ab9 ("softfloat: fix for C99", 2012-03-17), so let's use that
macro again.

Fixes: eca30647fc ("target/i386: reimplement f2xm1 using floatx80 operations")
Fixes: ff57bb7b63 ("target/i386: reimplement fpatan using floatx80 operations")
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: Joseph Myers <joseph@codesourcery.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>
Link: https://lists.gnu.org/archive/html/qemu-devel/2017-08/msg06566.html
Link: https://lists.gnu.org/archive/html/qemu-devel/2020-07/msg04714.html
Message-Id: <20200716144251.23004-1-lersek@redhat.com>
Message-Id: <20200724064509.331-8-alex.bennee@linaro.org>
2020-07-27 09:40:16 +01:00
Alex Bennée
c83d628b7f accel/tcg: better handle memory constrained systems
It turns out there are some 64 bit systems that have relatively low
amounts of physical memory available to them (typically CI system).
Even with swapping available a 1GB translation buffer that fills up
can put the machine under increased memory pressure. Detect these low
memory situations and reduce tb_size appropriately.

Fixes: 600e17b261 ("accel/tcg: increase default code gen buffer size for 64 bit")
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Robert Foley <robert.foley@linaro.org>
Cc: BALATON Zoltan <balaton@eik.bme.hu>
Cc: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Message-Id: <20200724064509.331-7-alex.bennee@linaro.org>
2020-07-27 09:40:16 +01:00
Alex Bennée
986babaab3 util/oslib-win32: add qemu_get_host_physmem implementation
Compile tested only.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Message-Id: <20200724064509.331-6-alex.bennee@linaro.org>
2020-07-27 09:40:16 +01:00
Alex Bennée
ad06ef0efb util: add qemu_get_host_physmem utility function
This will be used in a future patch. For POSIX systems _SC_PHYS_PAGES
isn't standardised but at least appears in the man pages for
Open/FreeBSD. The result is advisory so any users of it shouldn't just
fail if we can't work it out.

The win32 stub currently returns 0 until someone with a Windows system
can develop and test a patch.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Cc: BALATON Zoltan <balaton@eik.bme.hu>
Cc: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Message-Id: <20200724064509.331-5-alex.bennee@linaro.org>
2020-07-27 09:40:12 +01:00
KONRAD Frederic
7d2d6522bb semihosting: don't send the trailing '\0'
Don't send the trailing 0 from the string.

Signed-off-by: KONRAD Frederic <frederic.konrad@adacore.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1592215252-26742-2-git-send-email-frederic.konrad@adacore.com>
Message-Id: <20200724064509.331-4-alex.bennee@linaro.org>
2020-07-27 09:40:08 +01:00
KONRAD Frederic
619985e937 semihosting: defer connect_chardevs a little more to use serialx
With that we can just use -semihosting-config chardev=serial0.

[AJB: tweak commit message]

Signed-off-by: KONRAD Frederic <frederic.konrad@adacore.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1592215252-26742-1-git-send-email-frederic.konrad@adacore.com>
Message-Id: <20200724064509.331-3-alex.bennee@linaro.org>
2020-07-27 09:40:03 +01:00
Alex Bennée
3b6b4997b3 shippable: add one more qemu to registry url
The registry url is <project>/<repo>/qemu/<image>

Perhaps we should rationalise that some day but for now.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200724064509.331-2-alex.bennee@linaro.org>
2020-07-27 09:39:57 +01:00
Peter Maydell
4215d34132 ppc patch queue 2020-07-27
Only one patch in this batch, but it fixes a fairly important
 regression, so we want it in qemu-5.1
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-5.1-20200727' into staging

ppc patch queue 2020-07-27

Only one patch in this batch, but it fixes a fairly important
regression, so we want it in qemu-5.1

# gpg: Signature made Mon 27 Jul 2020 06:51:57 BST
# gpg:                using RSA key 75F46586AE61A66CC44E87DC6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>" [full]
# gpg:                 aka "David Gibson (Red Hat) <dgibson@redhat.com>" [full]
# gpg:                 aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>" [full]
# gpg:                 aka "David Gibson (kernel.org) <dwg@kernel.org>" [unknown]
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E  87DC 6C38 CACA 20D9 B392

* remotes/dgibson/tags/ppc-for-5.1-20200727:
  pseries: fix kvmppc_set_fwnmi()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-07-27 09:33:04 +01:00
Laurent Vivier
aef92d87c5 pseries: fix kvmppc_set_fwnmi()
QEMU issues the ioctl(KVM_CAP_PPC_FWNMI) on the first vCPU.

If the first vCPU is currently running, the vCPU mutex is held
and the ioctl() cannot be done and waits until the mutex is released.
This never happens and the VM is stuck.

To avoid this deadlock, issue the ioctl on the same vCPU doing the
RTAS call.

The problem can be reproduced by booting a guest with several vCPUs
(the probability to have the problem is (n - 1) / n,  n = # of CPUs),
and then by triggering a kernel crash with "echo c >/proc/sysrq-trigger".

On the reboot, the kernel hangs after:

...
[    0.000000] -----------------------------------------------------
[    0.000000] ppc64_pft_size    = 0x0
[    0.000000] phys_mem_size     = 0x48000000
[    0.000000] dcache_bsize      = 0x80
[    0.000000] icache_bsize      = 0x80
[    0.000000] cpu_features      = 0x0001c06f8f4f91a7
[    0.000000]   possible        = 0x0003fbffcf5fb1a7
[    0.000000]   always          = 0x00000003800081a1
[    0.000000] cpu_user_features = 0xdc0065c2 0xaee00000
[    0.000000] mmu_features      = 0x3c006041
[    0.000000] firmware_features = 0x00000085455a445f
[    0.000000] physical_start    = 0x8000000
[    0.000000] -----------------------------------------------------
[    0.000000] numa:   NODE_DATA [mem 0x47f33c80-0x47f3ffff]

Fixes: ec010c0066 ("ppc/spapr: KVM FWNMI should not be enabled until guest requests it")
Cc: npiggin@gmail.com
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Message-Id: <20200724083533.281700-1-lvivier@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-07-27 11:09:25 +10:00
Peter Maydell
194f8ca825 Fix some cputlb commentary
Fix an hppa temporary leak
 Fix an i386 translation issue with loop insns
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Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20200725' into staging

Fix some cputlb commentary
Fix an hppa temporary leak
Fix an i386 translation issue with loop insns

# gpg: Signature made Sat 25 Jul 2020 17:03:59 BST
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* remotes/rth/tags/pull-tcg-20200725:
  target/i386: Save cc_op before loop insns
  target/hppa: Free some temps in do_sub
  tcg: update comments for save_iotlb_data in cputlb

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-07-26 17:17:58 +01:00
Peter Maydell
57cdde4a74 Merge tpm 2020/07/24 v1
-----BEGIN PGP SIGNATURE-----
 
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 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/stefanberger/tags/pull-tpm-2020-07-24-1' into staging

Merge tpm 2020/07/24 v1

# gpg: Signature made Sat 25 Jul 2020 01:13:22 BST
# gpg:                using RSA key B818B9CADF9089C2D5CEC66B75AD65802A0B4211
# gpg: Good signature from "Stefan Berger <stefanb@linux.vnet.ibm.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: B818 B9CA DF90 89C2 D5CE  C66B 75AD 6580 2A0B 4211

* remotes/stefanberger/tags/pull-tpm-2020-07-24-1:
  tpm_emulator: Report an error if chardev is missing
  tpm: Improve help on TPM types when none are available
  Revert "tpm: Clean up error reporting in tpm_init_tpmdev()"

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-07-25 20:30:58 +01:00
Peter Maydell
b0ce3f021e bugfixes: virtio-input, usb-dwc2, pixman.
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Merge remote-tracking branch 'remotes/kraxel/tags/fixes-20200724-pull-request' into staging

bugfixes: virtio-input, usb-dwc2, pixman.

# gpg: Signature made Fri 24 Jul 2020 17:42:43 BST
# gpg:                using RSA key 4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/fixes-20200724-pull-request:
  configure: Allow to build tools without pixman
  hw/input/virtio-input-hid.c: Don't undef CONFIG_CURSES
  hw: Only compile the usb-dwc2 controller if it is really needed

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-07-25 18:46:48 +01:00
John Snow
8226a4b88b python/machine: Change default timeout to 30 seconds
3 seconds is too short for some tests running inside busy VMs. Build it out to
a rather generous 30 seconds to find out conclusively if there are more severe
problems in the merge/CI tests.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Message-id: 20200720160252.104139-2-jsnow@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-07-25 17:27:10 +01:00
Richard Henderson
3cb3a7720b target/i386: Save cc_op before loop insns
We forgot to update cc_op before these branch insns,
which lead to losing track of the current eflags.

Buglink: https://bugs.launchpad.net/qemu/+bug/1888165
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200720154028.477457-1-richard.henderson@linaro.org>
2020-07-24 14:29:35 -07:00
Richard Henderson
79826f99fe target/hppa: Free some temps in do_sub
Two temps allocated but not freed.  Do enough subtractions
within a single TB and one can run out of temps entirely.

Fixes: b2167459ae ("target-hppa: Implement basic arithmetic")
Buglink: https://bugs.launchpad.net/qemu/+bug/1880287
Tested-by: Sven Schnelle <svens@stackframe.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200720174039.517902-1-richard.henderson@linaro.org>
2020-07-24 14:28:33 -07:00
Alex Bennée
570ef3093b tcg: update comments for save_iotlb_data in cputlb
I missed Emilio's review comments:

  Message-ID: <20200718205107.GA994221@sff>

and the patch got merged. Correcting the comments now.

Reviewed-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20200720122358.26881-1-alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-07-24 14:25:11 -07:00
Stefan Berger
88f8307457 tpm_emulator: Report an error if chardev is missing
This patch fixes the odd error reporting when trying to send a file
descriptor to the TPM emulator if one has not passed a valid chardev.

$ x86_64-softmmu/qemu-system-x86_64 -tpmdev emulator,id=tpm0
qemu-system-x86_64: -tpmdev emulator,id=tpm0: tpm-emulator: Failed to send CMD_SET_DATAFD: Success
qemu-system-x86_64: -tpmdev emulator,id=tpm0: tpm-emulator: Could not cleanly shutdown the TPM: Success

This is the new error report:

$ x86_64-softmmu/qemu-system-x86_64 -tpmdev emulator,id=tpm0
qemu-system-x86_64: -tpmdev emulator,id=tpm0: tpm-emulator: parameter 'chardev' is missing

This change does not hide the display of supported TPM types if a non-existent type is passed:

$ x86_64-softmmu/qemu-system-x86_64 -tpmdev nonexistent,id=tpm0
qemu-system-x86_64: -tpmdev nonexistent,id=tpm0: Parameter 'type' expects a TPM backend type
Supported TPM types (choose only one):
 passthrough   Passthrough TPM backend driver
    emulator   TPM emulator backend driver

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
2020-07-24 12:44:13 -04:00
Markus Armbruster
5a6791c3d4 tpm: Improve help on TPM types when none are available
Help is a bit awkward when no TPM types are built into QEMU:

    $ qemu-system-x86_64 -tpmdev nonexistent,id=tpm0
    qemu-system-x86_64: -tpmdev nonexistent,id=tpm0: Parameter 'type' expects a TPM backend type
    Supported TPM types (choose only one):

Improve to

    qemu-system-x86_64: -tpmdev nonexistent,id=tpm0: Parameter 'type' expects a TPM backend type
    No TPM backend types are available

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
2020-07-24 12:44:13 -04:00
Markus Armbruster
d64072c0ac Revert "tpm: Clean up error reporting in tpm_init_tpmdev()"
This reverts commit d10e05f15d.

We report some -tpmdev failures, but then continue as if all was fine.
Reproducer:

    $ qemu-system-x86_64 -nodefaults -S -display none -monitor stdio -chardev null,id=tpm0 -tpmdev emulator,id=tpm0,chardev=chrtpm -device tpm-tis,tpmdev=tpm0
    qemu-system-x86_64: -tpmdev emulator,id=tpm0,chardev=chrtpm: tpm-emulator: tpm chardev 'chrtpm' not found.
    qemu-system-x86_64: -tpmdev emulator,id=tpm0,chardev=chrtpm: tpm-emulator: Could not cleanly shutdown the TPM: No such file or directory
    QEMU 5.0.90 monitor - type 'help' for more information
    (qemu) qemu-system-x86_64: -device tpm-tis,tpmdev=tpm0: Property 'tpm-tis.tpmdev' can't find value 'tpm0'
    $ echo $?
    1

This is a regression caused by commit d10e05f15d "tpm: Clean up error
reporting in tpm_init_tpmdev()".  It's incomplete: be->create(opts)
continues to use error_report(), and we don't set an error when it
fails.

I figure converting the create() methods to Error would make some
sense, but I'm not sure it's worth the effort right now.  Revert the
broken commit instead, and add a comment to tpm_init_tpmdev().

Straightforward conflict in tpm.c resolved.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
2020-07-24 12:44:13 -04:00
Thomas Huth
9b52b17ba5 configure: Allow to build tools without pixman
If pixman is not installed, it is currently not possible to run:

 .../configure  --disable-system --enable-tools

Seems like there was a dependency from one of the required source
files to pixman in the past, but since commit 1ac0206b2a
("qemu-timer.c: Trim list of included headers"), this dependency
should be gone. Thus allow to compile the tools without pixman now.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-id: 20200723141123.14765-1-thuth@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2020-07-24 17:36:03 +02:00
Peter Maydell
e68808a797 Error reporting patches patches for 2020-07-24
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Merge remote-tracking branch 'remotes/armbru/tags/pull-error-2020-07-24' into staging

Error reporting patches patches for 2020-07-24

# gpg: Signature made Fri 24 Jul 2020 14:03:44 BST
# gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg:                issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-error-2020-07-24:
  qapi/error: Check format string argument in error_*prepend()
  sd/milkymist-memcard: Fix format string
  error: Strip trailing '\n' from error string arguments (again)
  coccinelle/err-bad-newline: Fix for Python 3, and add patterns

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-07-24 16:24:42 +01:00
Peter Maydell
2c9728c0db hw/input/virtio-input-hid.c: Don't undef CONFIG_CURSES
virtio-input-hid.c undefines CONFIG_CURSES before including
ui/console.h. However since commits e2f82e924d and b0766612d1
that header does not have behaviour dependent on CONFIG_CURSES.
Remove the now-unneeded undef.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20200723192457.28136-1-peter.maydell@linaro.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2020-07-24 16:15:28 +02:00
Thomas Huth
8d942986be hw: Only compile the usb-dwc2 controller if it is really needed
The USB_DWC2 switch is currently "default y", so it is included in all
qemu-system-* builds, even if it is not needed. Even worse, it does a
"select USB", so USB devices are now showing up as available on targets
that do not support USB at all. This sysbus device should only be
included by the boards that need it, i.e. by the Raspi machines.

Fixes: 153ef1662c ("dwc-hsotg (dwc2) USB host controller emulation")
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Paul Zimmerman <pauldzim@gmail.com>
Message-id: 20200722154719.10130-1-thuth@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2020-07-24 16:15:28 +02:00
Philippe Mathieu-Daudé
192cf54ac5 qapi/error: Check format string argument in error_*prepend()
error_propagate_prepend() "behaves like error_prepend()", and
error_prepend() uses "formatting @fmt, ... like printf()".
error_prepend() checks its format string argument, but
error_propagate_prepend() does not. Fix by addint the format
attribute to error_propagate_prepend() and error_vprepend().

This would have caught the bug fixed in the previous commit.

Missed in commit 4b5766488f "error: Fix use of error_prepend() with
&error_fatal, &error_abort".

Inspired-by: Stefan Weil <sw@weilnetz.de>
Suggested-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200723171205.14949-1-philmd@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Commit message tweaked]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2020-07-24 15:03:09 +02:00
Stefan Weil
838886378e sd/milkymist-memcard: Fix format string
Fixes: b98e8d1230
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Message-Id: <20200722204054.1400555-1-sw@weilnetz.de>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Li Qiang <liq3ea@gmail.com>
[Commit message tweaked]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2020-07-24 15:03:09 +02:00
Markus Armbruster
ff5b5d5b6d error: Strip trailing '\n' from error string arguments (again)
Tracked down with scripts/coccinelle/err-bad-newline.cocci.

Cc: Peter Xu <peterx@redhat.com>
Cc: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200722084048.1726105-3-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Peter Xu <peterx@redhat.com>
2020-07-24 12:56:44 +02:00
Markus Armbruster
cb3fa1e4c0 coccinelle/err-bad-newline: Fix for Python 3, and add patterns
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200722084048.1726105-2-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2020-07-24 12:56:44 +02:00
Peter Maydell
7adfbea8fd x86 bug fix for -rc2
A fix from Vitaly Kuznetsov for a CPU reset bug
 reported by Jan Kiszka.
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Merge remote-tracking branch 'remotes/ehabkost/tags/x86-next-for-5.1-pull-request' into staging

x86 bug fix for -rc2

A fix from Vitaly Kuznetsov for a CPU reset bug
reported by Jan Kiszka.

# gpg: Signature made Thu 23 Jul 2020 20:10:40 BST
# gpg:                using RSA key 5A322FD5ABC4D3DBACCFD1AA2807936F984DC5A6
# gpg:                issuer "ehabkost@redhat.com"
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>" [full]
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF  D1AA 2807 936F 984D C5A6

* remotes/ehabkost/tags/x86-next-for-5.1-pull-request:
  KVM: fix CPU reset wrt HF2_GIF_MASK

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-07-24 10:52:20 +01:00