Commit Graph

4456 Commits

Author SHA1 Message Date
Philippe Mathieu-Daudé
5579b524b0 hw/elf_ops: Do not ignore write failures when loading ELF
Do not ignore the MemTxResult error type returned by
address_space_write().

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-10 12:10:23 -04:00
Philippe Mathieu-Daudé
da278d58a0 accel: Move Xen accelerator code under accel/xen/
This code is not related to hardware emulation.
Move it under accel/ with the other hypervisors.

Reviewed-by: Paul Durrant <paul@xen.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200508100222.7112-1-philmd@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-10 12:09:56 -04:00
Liran Alon
d6048bfd12 hw/i386/vmport: Add support for CMD_GETHZ
This command returns to guest information on LAPIC bus frequency and TSC
frequency.

One can see how this interface is used by Linux vmware_platform_setup()
introduced in Linux commit 88b094fb8d4f ("x86: Hypervisor detection and
get tsc_freq from hypervisor").

Reviewed-by: Nikita Leshenko <nikita.leshchenko@oracle.com>
Signed-off-by: Liran Alon <liran.alon@oracle.com>
Message-Id: <20200312165431.82118-16-liran.alon@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-10 12:09:53 -04:00
Liran Alon
acacd3550b hw/i386/vmport: Add support for CMD_GET_VCPU_INFO
Command currently returns that it is unimplemented by setting
the reserved-bit in it's return value.

Following patches will return various useful vCPU information
to guest.

Reviewed-by: Nikita Leshenko <nikita.leshchenko@oracle.com>
Signed-off-by: Liran Alon <liran.alon@oracle.com>
Message-Id: <20200312165431.82118-13-liran.alon@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-10 12:09:47 -04:00
Liran Alon
aaacf1c15a hw/i386/vmport: Add support for CMD_GETBIOSUUID
This is VMware documented functionallity that some guests rely on.
Returns the BIOS UUID of the current virtual machine.

Note that we also introduce a new compatability flag "x-cmds-v2" to
make sure to expose new VMPort commands only to new machine-types.
This flag will also be used by the following patches that will introduce
additional VMPort commands.

Reviewed-by: Nikita Leshenko <nikita.leshchenko@oracle.com>
Signed-off-by: Liran Alon <liran.alon@oracle.com>
Message-Id: <20200312165431.82118-10-liran.alon@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-10 12:09:47 -04:00
Liran Alon
dcd938f032 hw/i386/vmport: Define enum for all commands
No functional change.

Defining an enum for all VMPort commands have the following advantages:
* It gets rid of the error-prone requirement to update VMPORT_ENTRIES
when new VMPort commands are added to QEMU.
* It makes it clear to know by looking at one place at the source, what
are all the VMPort commands supported by QEMU.

Reviewed-by: Nikita Leshenko <nikita.leshchenko@oracle.com>
Signed-off-by: Liran Alon <liran.alon@oracle.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200312165431.82118-9-liran.alon@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-10 12:09:46 -04:00
Liran Alon
d8f23d619c hw/i386/vmport: Introduce vmport.h
No functional change. This is mere refactoring.

Suggested-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Liran Alon <liran.alon@oracle.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200312165431.82118-8-liran.alon@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-10 12:09:45 -04:00
Jon Doron
4dd8a7064b vmbus: add infrastructure to save/load vmbus requests
This can be allow to include controller-specific data while
saving/loading in-flight scsi requests of the vmbus scsi controller.

Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
Signed-off-by: Jon Doron <arilou@gmail.com>
Message-Id: <20200424123444.3481728-7-arilou@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-10 12:09:41 -04:00
Jon Doron
6775d15de1 i386: Hyper-V VMBus ACPI DSDT entry
Guest OS uses ACPI to discover VMBus presence.  Add a corresponding
entry to DSDT in case VMBus has been enabled.

Experimentally Windows guests were found to require this entry to
include two IRQ resources. They seem to never be used but they still
have to be there.

Make IRQ numbers user-configurable via corresponding properties; use 7
and 13 by default.

Signed-off-by: Evgeny Yakovlev <eyakovlev@virtuozzo.com>
Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
Signed-off-by: Jon Doron <arilou@gmail.com>
Message-Id: <20200424123444.3481728-6-arilou@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-10 12:09:41 -04:00
Jon Doron
0d71f7082d vmbus: vmbus implementation
Add the VMBus infrastructure -- bus, devices, root bridge, vmbus state
machine, vmbus channel interactions, etc.

VMBus is a collection of technologies.  At its lowest layer, it's a message
passing and signaling mechanism, allowing efficient passing of messages to and
from guest VMs.  A layer higher, it's a mechanism for defining channels of
communication, where each channel is tagged with a type (which implies a
protocol) and a instance ID.  A layer higher than that, it's a bus driver,
serving as the basis of device enumeration within a VM, where a channel can
optionally be exposed as a paravirtual device.  When a server-side (paravirtual
back-end) component wishes to offer a channel to a guest VM, it does so by
specifying a channel type, a mode, and an instance ID.  VMBus then exposes this
in the guest.

More information about VMBus can be found in the file
vmbuskernelmodeclientlibapi.h in Microsoft's WDK.

TODO:
 - split into smaller palatable pieces
 - more comments
 - check and handle corner cases

Kudos to Evgeny Yakovlev (formerly eyakovlev@virtuozzo.com) and Andrey
Smetatin (formerly asmetanin@virtuozzo.com) for research and
prototyping.

Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
Signed-off-by: Jon Doron <arilou@gmail.com>
Message-Id: <20200424123444.3481728-4-arilou@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-10 12:09:40 -04:00
Jon Doron
973b1fbd86 vmbus: add vmbus protocol definitions
Add a header with data structures and constants used in Hyper-V VMBus
hypervisor <-> guest interactions.

Based on the respective stuff from Linux kernel.

Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
Signed-off-by: Jon Doron <arilou@gmail.com>
Message-Id: <20200424123444.3481728-3-arilou@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-10 12:09:39 -04:00
Jon Doron
d42cd96100 hyperv: expose API to determine if synic is enabled
Signed-off-by: Jon Doron <arilou@gmail.com>
Message-Id: <20200424123444.3481728-2-arilou@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-10 12:09:39 -04:00
Philippe Mathieu-Daudé
ca27b5eb7c qom/object: Move Object typedef to 'qemu/typedefs.h'
We use the Object type all over the place.
Forward declare it in "qemu/typedefs.h".

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200504115656.6045-2-f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-10 12:09:36 -04:00
Philippe Mathieu-Daudé
28c78fe818 hw/misc/empty_slot: Name the slots when created
Directly set the slot name when creating the device,
to display the device name in trace events.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: Artyom Tarasenko <atar4qemu@gmail.com>
Message-Id: <20200510152840.13558-8-f4bug@amsat.org>
2020-06-09 06:59:44 +02:00
Philippe Mathieu-Daudé
6007523a80 hw/misc/empty_slot: Move the 'hw/misc' and cover in MAINTAINERS
Add an entry for the 'empty_slot' device.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: Artyom Tarasenko <atar4qemu@gmail.com>
Message-Id: <20200510152840.13558-7-f4bug@amsat.org>
2020-06-09 06:59:44 +02:00
Peter Maydell
49ee115552 linux-user pull request 20200605-v2
Implement F_OFD_ fcntl() command, /proc/cpuinfo for hppa
 Fix socket(), prnctl() error codes, underflow in target_mremap,
     epoll_create() strace, oldumount for alpha
 User-mode build dependencies improvement
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Merge remote-tracking branch 'remotes/vivier2/tags/linux-user-for-5.1-pull-request' into staging

linux-user pull request 20200605-v2

Implement F_OFD_ fcntl() command, /proc/cpuinfo for hppa
Fix socket(), prnctl() error codes, underflow in target_mremap,
    epoll_create() strace, oldumount for alpha
User-mode build dependencies improvement

# gpg: Signature made Sat 06 Jun 2020 14:15:36 BST
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* remotes/vivier2/tags/linux-user-for-5.1-pull-request:
  stubs: Restrict ui/win32-kbd-hook to system-mode
  hw/core: Restrict CpuClass::get_crash_info() to system-mode
  target/s390x: Restrict CpuClass::get_crash_info() to system-mode
  target/i386: Restrict CpuClass::get_crash_info() to system-mode
  arch_init: Remove unused 'qapi-commands-misc.h' include
  exec: Assert CPU migration is not used on user-only build
  target/riscv/cpu: Restrict CPU migration to system-mode
  stubs/Makefile: Reduce the user-mode object list
  util/Makefile: Reduce the user-mode object list
  tests/Makefile: Restrict some softmmu-only tests
  tests/Makefile: Only display TCG-related tests when TCG is available
  configure: Avoid building TCG when not needed
  Makefile: Only build virtiofsd if system-mode is enabled
  linux-user: implement OFD locks
  linux-user/mmap.c: fix integer underflow in target_mremap
  linux-user/strace.list: fix epoll_create{,1} -strace output
  linux-user: Add support for /proc/cpuinfo on hppa platform
  linux-user: return target error codes for socket() and prctl()
  linux-user, alpha: fix oldumount syscall

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-06-08 11:04:57 +01:00
Peter Maydell
5a922419fe target-arm queue:
hw/ssi/imx_spi: Handle tx burst lengths other than 8 correctly
  hw/input/pxa2xx_keypad: Replace hw_error() by qemu_log_mask()
  hw/arm/pxa2xx: Replace printf() call by qemu_log_mask()
  target/arm: Convert crypto insns to gvec
  hw/adc/stm32f2xx_adc: Correct memory region size and access size
  tests/acceptance: Add a boot test for the xlnx-versal-virt machine
  docs/system: Document Aspeed boards
  raspi: Add model of the USB controller
  target/arm: Convert 2-reg-and-shift and 1-reg-imm Neon insns to decodetree
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20200605' into staging

target-arm queue:
 hw/ssi/imx_spi: Handle tx burst lengths other than 8 correctly
 hw/input/pxa2xx_keypad: Replace hw_error() by qemu_log_mask()
 hw/arm/pxa2xx: Replace printf() call by qemu_log_mask()
 target/arm: Convert crypto insns to gvec
 hw/adc/stm32f2xx_adc: Correct memory region size and access size
 tests/acceptance: Add a boot test for the xlnx-versal-virt machine
 docs/system: Document Aspeed boards
 raspi: Add model of the USB controller
 target/arm: Convert 2-reg-and-shift and 1-reg-imm Neon insns to decodetree

# gpg: Signature made Fri 05 Jun 2020 17:48:39 BST
# gpg:                using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg:                issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* remotes/pmaydell/tags/pull-target-arm-20200605: (29 commits)
  target/arm: Convert Neon one-register-and-immediate insns to decodetree
  target/arm: Convert VCVT fixed-point ops to decodetree
  target/arm: Convert Neon VSHLL, VMOVL to decodetree
  target/arm: Convert Neon narrowing shifts with op==9 to decodetree
  target/arm: Convert Neon narrowing shifts with op==8 to decodetree
  target/arm: Convert VQSHLU, VQSHL 2-reg-shift insns to decodetree
  target/arm: Convert Neon VSRA, VSRI, VRSHR, VRSRA 2-reg-shift insns to decodetree
  target/arm: Convert Neon VSHR 2-reg-shift insns to decodetree
  target/arm: Convert Neon VSHL and VSLI 2-reg-shift insn to decodetree
  raspi2 acceptance test: add test for dwc-hsotg (dwc2) USB host
  wire in the dwc-hsotg (dwc2) USB host controller emulation
  usb: add short-packet handling to usb-storage driver
  dwc-hsotg (dwc2) USB host controller emulation
  dwc-hsotg (dwc2) USB host controller state definitions
  dwc-hsotg (dwc2) USB host controller register definitions
  raspi: add BCM2835 SOC MPHI emulation
  docs/system: Document Aspeed boards
  tests/acceptance: Add a boot test for the xlnx-versal-virt machine
  hw/adc/stm32f2xx_adc: Correct memory region size and access size
  target/arm: Split helper_crypto_sm3tt
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-06-05 23:31:31 +01:00
Philippe Mathieu-Daudé
cfe35d4889 hw/core: Restrict CpuClass::get_crash_info() to system-mode
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Tested-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200522172510.25784-13-philmd@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-06-05 21:23:22 +02:00
Paul Zimmerman
60bf734e64 wire in the dwc-hsotg (dwc2) USB host controller emulation
Wire the dwc-hsotg (dwc2) emulation into Qemu

Signed-off-by: Paul Zimmerman <pauldzim@gmail.com>
Reviewed-by: Philippe Mathieu-Daude <f4bug@amsat.org>
Message-id: 20200520235349.21215-7-pauldzim@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-06-05 17:23:09 +01:00
Paul Zimmerman
3f5b312a3f dwc-hsotg (dwc2) USB host controller register definitions
Import the dwc-hsotg (dwc2) register definitions file from the
Linux kernel. This is a copy of drivers/usb/dwc2/hw.h from the
mainline Linux kernel, the only changes being to the header, and
two instances of 'u32' changed to 'uint32_t' to allow it to
compile. Checkpatch throws a boatload of errors due to the tab
indentation, but I would rather import it as-is than reformat it.

Signed-off-by: Paul Zimmerman <pauldzim@gmail.com>
Message-id: 20200520235349.21215-3-pauldzim@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-06-05 17:23:09 +01:00
Paul Zimmerman
3d46938bbb raspi: add BCM2835 SOC MPHI emulation
Add BCM2835 SOC MPHI (Message-based Parallel Host Interface)
emulation. It is very basic, only providing the FIQ interrupt
needed to allow the dwc-otg USB host controller driver in the
Raspbian kernel to function.

Signed-off-by: Paul Zimmerman <pauldzim@gmail.com>
Acked-by: Philippe Mathieu-Daude <f4bug@amsat.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20200520235349.21215-2-pauldzim@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-06-05 17:23:09 +01:00
Janosch Frank
9a43259762 s390x: pv: Fix KVM_PV_PREP_RESET command wrapper name
s390_pv_perf_clear_reset() is not a very helpful name since that
function needs to be called for a normal and a clear reset via
diag308.

Let's instead name it s390_pv_prep_reset() which reflects the purpose
of the function a bit better.

Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-Id: <20200505124159.24099-1-frankja@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2020-06-05 17:13:11 +02:00
Alistair Francis
fe0fe4735e riscv: Initial commit of OpenTitan machine
This adds a barebone OpenTitan machine to QEMU.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bin.meng@windriver.com>
2020-06-03 09:11:51 -07:00
Alistair Francis
757e99b1eb riscv/boot: Add a missing header include
As the functions declared in this header use the symbol_fn_t
typedef itself declared in "hw/loader.h", we need to include
it here to make the header file self-contained.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Bin Meng <bin.meng@windriver.com>
2020-06-03 09:11:51 -07:00
Alistair Francis
0869490b1c riscv: sifive_e: Manually define the machine
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>
2020-06-03 09:11:51 -07:00
Alistair Francis
26cd0362dd hw/riscv: spike: Remove deprecated ISA specific machines
The ISA specific Spike machines have been deprecated in QEMU since 4.1,
let's finally remove them.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
2020-06-03 09:11:51 -07:00
Peter Maydell
b8bee16e94 hw/dispaly/sm501: bugfixes, add sanity checks.
hw/display: use tracepoints, misc cleanups.
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Merge remote-tracking branch 'remotes/kraxel/tags/vga-20200528-pull-request' into staging

hw/dispaly/sm501: bugfixes, add sanity checks.
hw/display: use tracepoints, misc cleanups.

# gpg: Signature made Thu 28 May 2020 13:35:32 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/vga-20200528-pull-request: (21 commits)
  sm501: Remove obsolete changelog and todo comment
  sm501: Optimize small overlapping blits
  sm501: Replace hand written implementation with pixman where possible
  sm501: Clean up local variables in sm501_2d_operation
  sm501: Use BIT(x) macro to shorten constant
  sm501: Shorten long variable names in sm501_2d_operation
  sm501: Convert printf + abort to qemu_log_mask
  hw/display/pxa2xx_lcd: Replace printf() call by qemu_log_mask()
  hw/display/omap_dss: Replace fprintf() call by qemu_log_mask(LOG_UNIMP)
  hw/display/exynos4210_fimd: Use qemu_log_mask(GUEST_ERROR)
  hw/display/vmware_vga: Let the PCI device own its I/O MemoryRegion
  hw/display/vmware_vga: Replace printf() calls by qemu_log_mask(ERROR)
  hw/display/xlnx_dp: Replace disabled DPRINTF() by error_report()
  hw/display/dpcd: Convert debug printf()s to trace events
  hw/display/dpcd: Fix memory region size
  hw/display/cirrus_vga: Convert debug printf() to trace event
  hw/display/cirrus_vga: Use qemu_log_mask(ERROR) instead of debug printf
  hw/display/cirrus_vga: Use qemu_log_mask(UNIMP) instead of debug printf
  hw/display/cirrus_vga: Convert debug printf() to trace event
  hw/display/cg3: Convert debug printf()s to trace events
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-05-28 18:13:20 +01:00
Peter Maydell
87023dcc25 A single patch to avoid clashes with the regiser field macros.
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Merge remote-tracking branch 'remotes/alistair/tags/pull-register-api-20200527' into staging

A single patch to avoid clashes with the regiser field macros.

# gpg: Signature made Wed 27 May 2020 19:24:07 BST
# gpg:                using RSA key F6C4AC46D4934868D3B8CE8F21E10D29DF977054
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [full]
# Primary key fingerprint: F6C4 AC46 D493 4868 D3B8  CE8F 21E1 0D29 DF97 7054

* remotes/alistair/tags/pull-register-api-20200527:
  hw/registerfields: Prefix local variables with underscore in macros

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-05-28 14:54:47 +01:00
Philippe Mathieu-Daudé
edcbea008d hw/display/edid: Add missing 'qdev-properties.h' header
When trying to consume the DEFINE_EDID_PROPERTIES() macro
by including "hw/display/edid.h", we get this build failure:

  include/hw/display/edid.h:24:5: error: implicit declaration of
  function ‘DEFINE_PROP_UINT32’ [-Werror=implicit-function-declaration]
     24 |     DEFINE_PROP_UINT32("xres", _state, _edid_info.prefx, 0),    \
        |     ^~~~~~~~~~~~~~~~~~

Headers should be self-contained, and one shouldn't have to
dig to find the missing headers.
In this case "hw/qdev-properties.h" is missing. Add it.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200526062252.19852-2-f4bug@amsat.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2020-05-28 11:38:57 +02:00
Philippe Mathieu-Daudé
5932a46c8a hw/registerfields: Prefix local variables with underscore in macros
One can name a local variable holding a value as 'v', but it
currently clashes with the registerfields macros. To save others
to debug the same mistake, prefix the macro's local variables
with an underscore.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200510203457.10546-1-f4bug@amsat.org
Message-Id: <20200510203457.10546-1-f4bug@amsat.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2020-05-27 11:23:07 -07:00
Leonardo Bras
0911a60c76 ppc/spapr: Add hotremovable flag on DIMM LMBs on drmem_v2
On reboot, all memory that was previously added using object_add and
device_add is placed in this DIMM area.

The new SPAPR_LMB_FLAGS_HOTREMOVABLE flag helps Linux to put this memory in
the correct memory zone, so no unmovable allocations are made there,
allowing the object to be easily hot-removed by device_del and
object_del.

This new flag was accepted in Power Architecture documentation.

Signed-off-by: Leonardo Bras <leobras.c@gmail.com>
Reviewed-by: Bharata B Rao <bharata@linux.ibm.com>
Message-Id: <20200511200201.58537-1-leobras.c@gmail.com>
[dwg: Fixed syntax error spotted by Cédric Le Goater]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-05-27 15:29:36 +10:00
Guenter Roeck
c4947e64ef hw/arm/fsl-imx7: Connect watchdog interrupts
i.MX7 supports watchdog pretimeout interupts. With this commit,
the watchdog in mcimx7d-sabre is fully operational, including
pretimeout support.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Message-id: 20200517162135.110364-9-linux@roeck-us.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-05-21 22:05:27 +01:00
Guenter Roeck
72465e1eba hw/arm/fsl-imx7: Instantiate various unimplemented devices
Instantiating PWM, CAN, CAAM, and OCOTP devices is necessary to avoid
crashes when booting mainline Linux.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Message-id: 20200517162135.110364-8-linux@roeck-us.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-05-21 22:05:27 +01:00
Guenter Roeck
b9e521dda3 hw/arm/fsl-imx31: Wire up watchdog
With this patch, the watchdog on i.MX31 emulations is fully operational.

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Message-id: 20200517162135.110364-5-linux@roeck-us.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-05-21 22:05:27 +01:00
Guenter Roeck
4f0aff00f9 hw/arm/fsl-imx25: Wire up watchdog
With this commit, the watchdog on imx25-pdk is fully operational,
including pretimeout support.

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Message-id: 20200517162135.110364-4-linux@roeck-us.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-05-21 22:05:27 +01:00
Guenter Roeck
daca13d495 hw/watchdog: Implement full i.MX watchdog support
Implement full support for the watchdog in i.MX systems.
Pretimeout support is optional because the watchdog hardware
on i.MX31 does not support pretimeouts.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Message-id: 20200517162135.110364-3-linux@roeck-us.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: added Property array terminator entry]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
2020-05-21 20:00:18 +01:00
Guenter Roeck
37f95959c7 hw: Move i.MX watchdog driver to hw/watchdog
In preparation for a full implementation, move i.MX watchdog driver
from hw/misc to hw/watchdog. While at it, add the watchdog files
to MAINTAINERS.

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Message-id: 20200517162135.110364-2-linux@roeck-us.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-05-21 20:00:18 +01:00
Gerd Hoffmann
2fc979cb9d Revert "hw/display/ramfb: initialize fw-config space with xres/ yres"
This reverts commit f79081b4b7.

Patch has broken byteorder handling: RAMFBCfg fields are in bigendian
byteorder, the reset function doesn't care so native byteorder is used
instead.  Given this went unnoticed so far the feature is obviously
unused, so just revert the patch.

Cc: Hou Qiming <hqm03ster@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
Message-id: 20200429115236.28709-2-kraxel@redhat.com
2020-05-18 15:42:34 +02:00
Markus Armbruster
b69c3c21a5 qdev: Unrealize must not fail
Devices may have component devices and buses.

Device realization may fail.  Realization is recursive: a device's
realize() method realizes its components, and device_set_realized()
realizes its buses (which should in turn realize the devices on that
bus, except bus_set_realized() doesn't implement that, yet).

When realization of a component or bus fails, we need to roll back:
unrealize everything we realized so far.  If any of these unrealizes
failed, the device would be left in an inconsistent state.  Must not
happen.

device_set_realized() lets it happen: it ignores errors in the roll
back code starting at label child_realize_fail.

Since realization is recursive, unrealization must be recursive, too.
But how could a partly failed unrealize be rolled back?  We'd have to
re-realize, which can fail.  This design is fundamentally broken.

device_set_realized() does not roll back at all.  Instead, it keeps
unrealizing, ignoring further errors.

It can screw up even for a device with no buses: if the lone
dc->unrealize() fails, it still unregisters vmstate, and calls
listeners' unrealize() callback.

bus_set_realized() does not roll back either.  Instead, it stops
unrealizing.

Fortunately, no unrealize method can fail, as we'll see below.

To fix the design error, drop parameter @errp from all the unrealize
methods.

Any unrealize method that uses @errp now needs an update.  This leads
us to unrealize() methods that can fail.  Merely passing it to another
unrealize method cannot cause failure, though.  Here are the ones that
do other things with @errp:

* virtio_serial_device_unrealize()

  Fails when qbus_set_hotplug_handler() fails, but still does all the
  other work.  On failure, the device would stay realized with its
  resources completely gone.  Oops.  Can't happen, because
  qbus_set_hotplug_handler() can't actually fail here.  Pass
  &error_abort to qbus_set_hotplug_handler() instead.

* hw/ppc/spapr_drc.c's unrealize()

  Fails when object_property_del() fails, but all the other work is
  already done.  On failure, the device would stay realized with its
  vmstate registration gone.  Oops.  Can't happen, because
  object_property_del() can't actually fail here.  Pass &error_abort
  to object_property_del() instead.

* spapr_phb_unrealize()

  Fails and bails out when remove_drcs() fails, but other work is
  already done.  On failure, the device would stay realized with some
  of its resources gone.  Oops.  remove_drcs() fails only when
  chassis_from_bus()'s object_property_get_uint() fails, and it can't
  here.  Pass &error_abort to remove_drcs() instead.

Therefore, no unrealize method can fail before this patch.

device_set_realized()'s recursive unrealization via bus uses
object_property_set_bool().  Can't drop @errp there, so pass
&error_abort.

We similarly unrealize with object_property_set_bool() elsewhere,
always ignoring errors.  Pass &error_abort instead.

Several unrealize methods no longer handle errors from other unrealize
methods: virtio_9p_device_unrealize(),
virtio_input_device_unrealize(), scsi_qdev_unrealize(), ...
Much of the deleted error handling looks wrong anyway.

One unrealize methods no longer ignore such errors:
usb_ehci_pci_exit().

Several realize methods no longer ignore errors when rolling back:
v9fs_device_realize_common(), pci_qdev_unrealize(),
spapr_phb_realize(), usb_qdev_realize(), vfio_ccw_realize(),
virtio_device_realize().

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200505152926.18877-17-armbru@redhat.com>
2020-05-15 07:08:14 +02:00
Markus Armbruster
40c2281cc3 Drop more @errp parameters after previous commit
Several functions can't fail anymore: ich9_pm_add_properties(),
device_add_bootindex_property(), ppc_compat_add_property(),
spapr_caps_add_properties(), PropertyInfo.create().  Drop their @errp
parameter.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200505152926.18877-16-armbru@redhat.com>
2020-05-15 07:08:14 +02:00
Peter Maydell
013a18edbb target-arm queue:
* target/arm: Use correct GDB XML for M-profile cores
  * target/arm: Code cleanup to use gvec APIs better
  * aspeed: Add support for the sonorapass-bmc board
  * target/arm: Support reporting KVM host memory errors
    to the guest via ACPI notifications
  * target/arm: Finish conversion of Neon 3-reg-same insns to decodetree
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20200514' into staging

target-arm queue:
 * target/arm: Use correct GDB XML for M-profile cores
 * target/arm: Code cleanup to use gvec APIs better
 * aspeed: Add support for the sonorapass-bmc board
 * target/arm: Support reporting KVM host memory errors
   to the guest via ACPI notifications
 * target/arm: Finish conversion of Neon 3-reg-same insns to decodetree

# gpg: Signature made Thu 14 May 2020 15:19:15 BST
# gpg:                using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg:                issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* remotes/pmaydell/tags/pull-target-arm-20200514: (45 commits)
  target/arm: Convert NEON VFMA, VFMS 3-reg-same insns to decodetree
  target/arm: Convert Neon fp VMAX/VMIN/VMAXNM/VMINNM/VRECPS/VRSQRTS to decodetree
  target/arm: Move 'env' argument of recps_f32 and rsqrts_f32 helpers to usual place
  target/arm: Convert Neon 3-reg-same compare insns to decodetree
  target/arm: Convert Neon fp VMUL, VMLA, VMLS 3-reg-same insns to decodetree
  target/arm: Convert Neon VPMIN/VPMAX/VPADD float 3-reg-same insns to decodetree
  target/arm: Convert Neon VADD, VSUB, VABD 3-reg-same insns to decodetree
  target/arm: Convert Neon VQDMULH/VQRDMULH 3-reg-same to decodetree
  target/arm: Convert Neon VPADD 3-reg-same insns to decodetree
  target/arm: Convert Neon VPMAX/VPMIN 3-reg-same insns to decodetree
  target/arm: Convert Neon VQSHL, VRSHL, VQRSHL 3-reg-same insns to decodetree
  target/arm: Convert Neon VRHADD, VHSUB 3-reg-same insns to decodetree
  target/arm: Convert Neon VABA/VABD 3-reg-same to decodetree
  target/arm: Convert Neon VHADD 3-reg-same insns
  target/arm: Convert Neon 64-bit element 3-reg-same insns
  target/arm: Convert Neon 3-reg-same SHA to decodetree
  target/arm: Convert Neon 3-reg-same VQRDMLAH/VQRDMLSH to decodetree
  MAINTAINERS: Add ACPI/HEST/GHES entries
  target-arm: kvm64: handle SIGBUS signal from kernel or KVM
  ACPI: Record Generic Error Status Block(GESB) table
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-05-14 16:17:55 +01:00
Dongjiu Geng
558b9d8640 ACPI: Record Generic Error Status Block(GESB) table
kvm_arch_on_sigbus_vcpu() error injection uses source_id as
index in etc/hardware_errors to find out Error Status Data
Block entry corresponding to error source. So supported source_id
values should be assigned here and not be changed afterwards to
make sure that guest will write error into expected Error Status
Data Block.

Before QEMU writes a new error to ACPI table, it will check whether
previous error has been acknowledged. If not acknowledged, the new
errors will be ignored and not be recorded. For the errors section
type, QEMU simulate it to memory section error.

Signed-off-by: Dongjiu Geng <gengdongjiu@huawei.com>
Signed-off-by: Xiang Zheng <zhengxiang9@huawei.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20200512030609.19593-9-gengdongjiu@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-05-14 15:03:09 +01:00
Dongjiu Geng
a08a64627b ACPI: Record the Generic Error Status Block address
Record the GHEB address via fw_cfg file, when recording
a error to CPER, it will use this address to find out
Generic Error Data Entries and write the error.

In order to avoid migration failure, make hardware
error table address to a part of GED device instead
of global variable, then this address will be migrated
to target QEMU.

Acked-by: Xiang Zheng <zhengxiang9@huawei.com>
Signed-off-by: Dongjiu Geng <gengdongjiu@huawei.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20200512030609.19593-7-gengdongjiu@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-05-14 15:03:09 +01:00
Dongjiu Geng
205cc75dee ACPI: Build Hardware Error Source Table
This patch builds Hardware Error Source Table(HEST) via fw_cfg blobs.
Now it only supports ARMv8 SEA, a type of Generic Hardware Error
Source version 2(GHESv2) error source. Afterwards, we can extend
the supported types if needed. For the CPER section, currently it
is memory section because kernel mainly wants userspace to handle
the memory errors.

This patch follows the spec ACPI 6.2 to build the Hardware Error
Source table. For more detailed information, please refer to
document: docs/specs/acpi_hest_ghes.rst

build_ghes_hw_error_notification() helper will help to add Hardware
Error Notification to ACPI tables without using packed C structures
and avoid endianness issues as API doesn't need explicit conversion.

Signed-off-by: Xiang Zheng <zhengxiang9@huawei.com>
Signed-off-by: Dongjiu Geng <gengdongjiu@huawei.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20200512030609.19593-6-gengdongjiu@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-05-14 15:03:09 +01:00
Dongjiu Geng
aa16508f1d ACPI: Build related register address fields via hardware error fw_cfg blob
This patch builds error_block_address and read_ack_register fields
in hardware errors table , the error_block_address points to Generic
Error Status Block(GESB) via bios_linker. The max size for one GESB
is 1kb, For more detailed information, please refer to
document: docs/specs/acpi_hest_ghes.rst

Now we only support one Error source, if necessary, we can extend to
support more.

Suggested-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Xiang Zheng <zhengxiang9@huawei.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Dongjiu Geng <gengdongjiu@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20200512030609.19593-5-gengdongjiu@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-05-14 15:03:09 +01:00
Dongjiu Geng
2afa8c8519 hw/arm/virt: Introduce a RAS machine option
RAS Virtualization feature is not supported now, so
add a RAS machine option and disable it by default.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Dongjiu Geng <gengdongjiu@huawei.com>
Signed-off-by: Xiang Zheng <zhengxiang9@huawei.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-id: 20200512030609.19593-3-gengdongjiu@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-05-14 15:03:09 +01:00
Edgar E. Iglesias
51b19950ca hw/core: stream: Add an end-of-packet flag
Some stream clients stream an endless stream of data while
other clients stream data in packets. Stream interfaces
usually have a way to signal the end of a packet or the
last beat of a transfer.

This adds an end-of-packet flag to the push interface.

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Francisco Iglesias <frasse.iglesias@gmail.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-Id: <20200506082513.18751-6-edgar.iglesias@gmail.com>
2020-05-14 13:44:35 +02:00
Richard Henderson
390734a42d exec: Add block comments for watchpoint routines
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200508154359.7494-2-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-05-11 11:14:02 +01:00
Philippe Mathieu-Daudé
27d6dea3d7 hw/timer/nrf51_timer: Display timer ID in trace events
The NRF51 series SoC have 3 timer peripherals, each having
4 counters. To help differentiate which peripheral is accessed,
display the timer ID in the trace events.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200504072822.18799-4-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-05-11 11:05:52 +01:00
Philippe Mathieu-Daudé
54595a5731 hw/arm/nrf51: Add NRF51_PERIPHERAL_SIZE definition
On the NRF51 series, all peripherals have a fixed I/O size
of 4KiB. Define NRF51_PERIPHERAL_SIZE and use it.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200504072822.18799-2-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-05-11 11:05:11 +01:00