Commit Graph

107846 Commits

Author SHA1 Message Date
Philippe Mathieu-Daudé
6c9dcd8760 hw/intc/spapr_xive: Do not use SysBus API to map local MMIO region
There is no point in exposing an internal MMIO region via
SysBus and directly mapping it in the very same device.

Just map it without using the SysBus API.

Transformation done using the following coccinelle script:

  @@
  expression sbdev;
  expression index;
  expression addr;
  expression subregion;
  @@
  -    sysbus_init_mmio(sbdev, subregion);
       ... when != sbdev
  -    sysbus_mmio_map(sbdev, index, addr);
  +    memory_region_add_subregion(get_system_memory(), addr, subregion);

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20231019131647.19690-8-philmd@linaro.org>
2023-10-19 23:13:28 +02:00
Philippe Mathieu-Daudé
e061eed802 hw/intc/spapr_xive: Move sysbus_init_mmio() calls around
In order to make the next commit trivial, move sysbus_init_mmio()
calls just before the corresponding sysbus_mmio_map() calls.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20231019131647.19690-7-philmd@linaro.org>
2023-10-19 23:13:28 +02:00
Philippe Mathieu-Daudé
bf3b9754b7 hw/ppc/pnv: Do not use SysBus API to map local MMIO region
There is no point in exposing an internal MMIO region via
SysBus and directly mapping it in the very same device.

Just map it without using the SysBus API.

Transformation done using the following coccinelle script:

  @@
  expression sbdev;
  expression index;
  expression addr;
  expression subregion;
  @@
  -    sysbus_init_mmio(sbdev, subregion);
       ... when != sbdev
  -    sysbus_mmio_map(sbdev, index, addr);
  +    memory_region_add_subregion(get_system_memory(), addr, subregion);

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20231019131647.19690-6-philmd@linaro.org>
2023-10-19 23:13:28 +02:00
Philippe Mathieu-Daudé
bddb677544 hw/ppc/pnv_xscom: Do not use SysBus API to map local MMIO region
There is no point in exposing an internal MMIO region via
SysBus and directly mapping it in the very same device.

Just map it without using the SysBus API.

Transformation done using the following coccinelle script:

  @@
  expression sbdev;
  expression index;
  expression addr;
  expression subregion;
  @@
  -    sysbus_init_mmio(sbdev, subregion);
       ... when != sbdev
  -    sysbus_mmio_map(sbdev, index, addr);
  +    memory_region_add_subregion(get_system_memory(), addr, subregion);

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20231019131647.19690-5-philmd@linaro.org>
2023-10-19 23:13:28 +02:00
Philippe Mathieu-Daudé
326f7acb81 hw/ppc/pnv_xscom: Move sysbus_mmio_map() call within pnv_xscom_init()
In order to make the next commit trivial, move sysbus_init_mmio()
calls just before the corresponding sysbus_mmio_map() calls.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20231019131647.19690-4-philmd@linaro.org>
2023-10-19 23:13:28 +02:00
Philippe Mathieu-Daudé
90ac3862ff hw/ppc/pnv_xscom: Rename pnv_xscom_realize(Error **) -> pnv_xscom_init()
pnv_xscom_realize() is not used to *realize* QDev object, rename
it as pnv_xscom_init(). The Error** argument is unused: remove it.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20231019131647.19690-3-philmd@linaro.org>
2023-10-19 23:13:28 +02:00
Philippe Mathieu-Daudé
880e26074c hw/ppc/spapr_vio: Realize SPAPR_VIO_BRIDGE device before accessing it
qbus_new() should not be called on unrealized device.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20231019131647.19690-2-philmd@linaro.org>
2023-10-19 23:13:28 +02:00
Philippe Mathieu-Daudé
0459c141f8 hw/intc/apic: Use ERRP_GUARD() in apic_common_realize()
APICCommonClass::realize() is a DeviceRealize() handler which
take an Error** parameter and can fail. Do not proceed further
on failure.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Xu <peterx@redhat.com>
Message-Id: <20231003082728.83496-2-philmd@linaro.org>
2023-10-19 23:13:28 +02:00
Philippe Mathieu-Daudé
b2b5b09045 hw/s390x: Clean up global variable shadowing in quiesce_powerdown_req()
Fix:

  hw/s390x/sclpquiesce.c:90:22: error: declaration shadows a variable in the global scope [-Werror,-Wshadow]
      QuiesceNotifier *qn = container_of(n, QuiesceNotifier, notifier);
                       ^
  hw/s390x/sclpquiesce.c:86:3: note: previous declaration is here
  } qn;
    ^

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-Id: <20231010115048.11856-7-philmd@linaro.org>
2023-10-19 23:13:28 +02:00
Philippe Mathieu-Daudé
49909a0d03 hw/pci: Clean up global variable shadowing of address_space_io variable
Fix:

  hw/pci/pci.c:504:54: error: declaration shadows a variable in the global scope [-Werror,-Wshadow]
                                         MemoryRegion *address_space_io,
                                                       ^
  hw/pci/pci.c:533:38: error: declaration shadows a variable in the global scope [-Werror,-Wshadow]
                         MemoryRegion *address_space_io,
                                       ^
  hw/pci/pci.c:543:40: error: declaration shadows a variable in the global scope [-Werror,-Wshadow]
                           MemoryRegion *address_space_io,
                                         ^
  hw/pci/pci.c:590:45: error: declaration shadows a variable in the global scope [-Werror,-Wshadow]
                                MemoryRegion *address_space_io,
                                              ^
  include/exec/address-spaces.h:35:21: note: previous declaration is here
  extern AddressSpace address_space_io;
                      ^

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20231010115048.11856-6-philmd@linaro.org>
2023-10-19 23:13:28 +02:00
Philippe Mathieu-Daudé
305ab2b971 hw/acpi/pcihp: Clean up global variable shadowing in acpi_pcihp_init()
Fix:

  hw/acpi/pcihp.c:499:36: error: declaration shadows a variable in the global scope [-Werror,-Wshadow]
                       MemoryRegion *address_space_io,
                                     ^
  include/exec/address-spaces.h:35:21: note: previous declaration is here
  extern AddressSpace address_space_io;
                      ^

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Ani Sinha <anisinha@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20231010115048.11856-5-philmd@linaro.org>
2023-10-19 23:13:28 +02:00
Philippe Mathieu-Daudé
4aa07e8649 hw/sparc64/ebus: Access memory regions via pci_address_space_io()
PCI functions are plugged on a PCI bus. They can only access
external memory regions via the bus.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20231011185954.10337-5-philmd@linaro.org>
2023-10-19 23:13:28 +02:00
Philippe Mathieu-Daudé
f158d3befe hw/pci-host/sh_pcic: Replace magic value by proper definition
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Message-Id: <20231012041237.22281-4-philmd@linaro.org>
2023-10-19 23:13:28 +02:00
Philippe Mathieu-Daudé
6db7f62b34 hw/pci-host/sh_pcic: Correct PCI host / devfn#0 function names
Host bridge device and PCI function #0 are inverted.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Message-Id: <20231012041237.22281-3-philmd@linaro.org>
2023-10-19 23:13:28 +02:00
Philippe Mathieu-Daudé
bf9e5c1f22 hw/pci-host/sh_pcic: Declare CPU QOM types using DEFINE_TYPES() macro
When multiple QOM types are registered in the same file,
it is simpler to use the the DEFINE_TYPES() macro. In
particular because type array declared with such macro
are easier to review.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Message-Id: <20231012041237.22281-2-philmd@linaro.org>
2023-10-19 23:13:27 +02:00
Philippe Mathieu-Daudé
53af33a5b4 hw/misc/mips_itu: Make MIPSITUState target agnostic
When prototyping a heterogenous machine including the ITU,
we get:

  include/hw/misc/mips_itu.h:76:5: error: unknown type name 'MIPSCPU'
      MIPSCPU *cpu0;
      ^

MIPSCPU is declared in the target specific "cpu.h" header,
but we don't want to include it, because "cpu.h" is target
specific and its inclusion taints all files including
"mips_itu.h", which become target specific too. We can
however use the 'ArchCPU *' type in the public header.
By keeping the TYPE_MIPS_CPU QOM type check in the link
property declaration, QOM core code will still check the
property is a correct MIPS CPU.

TYPE_MIPS_ITU is still built per-(MIPS)target, but its header
can now be included by other targets.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231009171443.12145-4-philmd@linaro.org>
2023-10-19 23:13:27 +02:00
Philippe Mathieu-Daudé
db646e830e hw/misc/mips_itu: Declare itc_reconfigure() in 'hw/misc/mips_itu.h'
We already provide "hw/misc/mips_itu.h" to declare prototype
related to MIPSITUState. Move itc_reconfigure() declaration
there.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231009171443.12145-3-philmd@linaro.org>
2023-10-19 23:13:27 +02:00
Philippe Mathieu-Daudé
30a8d3a142 hw/mips: Merge 'hw/mips/cpudevs.h' with 'target/mips/cpu.h'
"hw/mips/cpudevs.h" contains declarations which are specific
to the MIPS architecture; it doesn't make sense for these to
be called from a non-MIPS architecture. Move the declarations
to "target/mips/cpu.h".

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231009171443.12145-2-philmd@linaro.org>
2023-10-19 23:13:27 +02:00
Philippe Mathieu-Daudé
9ce8c6ddd3 hw/mips/malta: Use sdram_type enum from 'hw/i2c/smbus_eeprom.h'
Since commit 93198b6cad ("i2c: Split smbus into parts") the SDRAM
types are enumerated as sdram_type in "hw/i2c/smbus_eeprom.h".

Using the enum removes this global shadow warning:

  hw/mips/malta.c:209:12: error: declaration shadows a variable in the global scope [-Werror,-Wshadow]
      enum { SDR = 0x4, DDR2 = 0x8 } type;
             ^
  include/hw/i2c/smbus_eeprom.h:33:19: note: previous declaration is here
  enum sdram_type { SDR = 0x4, DDR = 0x7, DDR2 = 0x8 };
                    ^

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231009092127.49778-1-philmd@linaro.org>
2023-10-19 23:13:27 +02:00
Lu Gao
946df4d500 hw/sd/sdhci: Block Size Register bits [14:12] is lost
Block Size Register bits [14:12] is SDMA Buffer Boundary, it is missed
in register write, but it is needed in SDMA transfer. e.g. it will be
used in sdhci_sdma_transfer_multi_blocks to calculate boundary_ variables.

Missing this field will cause wrong operation for different SDMA Buffer
Boundary settings.

Fixes: d7dfca0807 ("hw/sdhci: introduce standard SD host controller")
Fixes: dfba99f17f ("hw/sdhci: Fix DMA Transfer Block Size field")
Signed-off-by: Lu Gao <lu.gao@verisilicon.com>
Signed-off-by: Jianxian Wen <jianxian.wen@verisilicon.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-ID: <20220321055618.4026-1-lu.gao@verisilicon.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-10-19 23:13:27 +02:00
Marc-André Lureau
8a5b974b98 memory: follow Error API guidelines
Return true/false on success/failure.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20231009075310.153617-1-marcandre.lureau@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-10-19 23:13:27 +02:00
Marc-André Lureau
47538e44d6 memory: drop needless argument
The argument is unused since commit bdc44640c ("cpu: Use QTAILQ for CPU list").

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20231009075231.150568-1-marcandre.lureau@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-10-19 23:13:27 +02:00
Philippe Mathieu-Daudé
da6f5544ce buildsys: Only display Objective-C information when Objective-C is used
When configuring with '--disable-cocoa --disable-coreaudio'
on Darwin, we get:

 meson.build:4081:58: ERROR: Tried to access compiler for language "objc", not specified for host machine.
 meson.build:4097:47: ERROR: Tried to access unknown option 'objc_args'.

Instead of unconditionally display Objective-C informations
on Darwin, display them when Objective-C is discovered.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20231009093812.52915-1-philmd@linaro.org>
2023-10-19 23:13:27 +02:00
Akihiko Odaki
dfd3bb0a99 cutils: Fix get_relocated_path on Windows
get_relocated_path() did not have error handling for PathCchSkipRoot()
because a path given to get_relocated_path() was expected to be a valid
path containing a drive letter or UNC server/share path elements on
Windows, but sometimes it turned out otherwise.

The paths passed to get_relocated_path() are defined by macros generated
by Meson. Meson in turn uses a prefix given by the configure script to
generate them. For Windows, the script passes /qemu as a prefix to
Meson by default.

As documented in docs/about/build-platforms.rst, typically MSYS2 is used
for the build system, but it is also possible to use Linux as well. When
MSYS2 is used, its Bash variant recognizes /qemu as a MSYS2 path, and
converts it to a Windows path, adding the MSYS2 prefix including a drive
letter or UNC server/share path elements. Such a conversion does not
happen on a shell on Linux however, and /qemu will be passed as is in
the case.

Implement a proper error handling of PathCchSkipRoot() in
get_relocated_path() so that it can handle a path without a drive letter
or UNC server/share path elements.

Reported-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20231005064726.6945-1-akihiko.odaki@daynix.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-10-19 23:13:27 +02:00
Thomas Huth
e257b8ca49 MAINTAINERS: Add include/hw/openrisc/ to the OpenRISC section
hw/openrisc/ is already listed here, so we should mention
the folder for the headers here, too.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20231017154242.234133-1-thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-10-19 23:13:27 +02:00
Thomas Huth
b5b47424b4 MAINTAINERS: Add include/hw/intc/loongson_liointc.h to the Loongson-3 virt section
The corresponding .c file is already listed here, so we should
mention the header here, too.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Song Gao <gaosong@loongson.cn>
Message-ID: <20231017153345.233807-1-thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-10-19 23:13:27 +02:00
Thomas Huth
8db0760354 MAINTAINERS: Add hw/input/lasips2.c to the HPPA machine section
hw/input/lasips2.c and the corresponding header include/hw/input/lasips2.h
are only used by the HPPA machine, so add them to the corresponding section
in the MAINTAINERS file.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-ID: <20231017151933.213780-1-thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-10-19 23:13:27 +02:00
BALATON Zoltan
28900f9b2c MAINTAINERS: Split vt82c686 out of fuloong2e
The VIA south bridges are now mostly used by other machines not just
fuloong2e so split off into a separate section and take maintainership.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-ID: <20231015141517.219317456A7@zero.eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-10-19 23:13:27 +02:00
Luc Michel
deb1ef950b mailmap: update email addresses for Luc Michel
Map my old and now invalid work email addresses to my personal one.

Signed-off-by: Luc Michel <luc@lmichel.fr>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20230929140326.2056658-2-luc@lmichel.fr>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-10-19 23:13:27 +02:00
Stefan Hajnoczi
0d239e513e linux-user/mips: fix abort on integer overflow
linux-user/sh4: Fix crashes on signal delivery
 linux-user/loongarch: Enable LSX/LASX in HWCAP
 linux-user: Fixes for zero_bss
 linux-user: Propagate failure in mmap_reserve_or_unmap back to target_munmap
 linux-user: Detect and report host crashes
 linux-user: Remap guest SIGABRT
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Merge tag 'pull-lu-20231018' of https://gitlab.com/rth7680/qemu into staging

linux-user/mips: fix abort on integer overflow
linux-user/sh4: Fix crashes on signal delivery
linux-user/loongarch: Enable LSX/LASX in HWCAP
linux-user: Fixes for zero_bss
linux-user: Propagate failure in mmap_reserve_or_unmap back to target_munmap
linux-user: Detect and report host crashes
linux-user: Remap guest SIGABRT

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# gpg: Signature made Wed 18 Oct 2023 16:30:30 PDT
# 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

* tag 'pull-lu-20231018' of https://gitlab.com/rth7680/qemu:
  linux-user: Remap guest SIGABRT
  linux-user: Detect and report host SIGILL, SIGFPE, SIGTRAP
  linux-user: Split out host_sig{segv,bus}_handler
  linux-user: Simplify signal_init
  linux-user: Map unsupported signals to an out-of-bounds value
  linux-user: Only register handlers for core_dump_signal by default
  linux-user: Detect and report host crashes
  linux-user: Exit not abort in die_with_backtrace
  linux-user: Split out die_with_signal
  linux-user: Propagate failure in mmap_reserve_or_unmap back to target_munmap
  linux-user/elfload: Enable LSX/LASX in HWCAP for LoongArch
  linux-user/sh4: Fix crashes on signal delivery
  linux-user/mips: fix abort on integer overflow
  linux-user: Fixes for zero_bss

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-10-19 10:20:57 -07:00
Stefan Hajnoczi
57e32f0b15 Migration Pull request (20231018)
In this pull request:
 - RDMA cleanups
 - compression cleanups
 
 CI: https://gitlab.com/juan.quintela/qemu/-/pipelines/1040780020
 
 Please apply.
 
 PD.  I tried to get the deprecated bits integrated, but I broke
      qemu-iotests duer to blk warning.  Will resend it.
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Merge tag 'migration-20231018-pull-request' of https://gitlab.com/juan.quintela/qemu into staging

Migration Pull request (20231018)

In this pull request:
- RDMA cleanups
- compression cleanups

CI: https://gitlab.com/juan.quintela/qemu/-/pipelines/1040780020

Please apply.

PD.  I tried to get the deprecated bits integrated, but I broke
     qemu-iotests duer to blk warning.  Will resend it.

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# gpg: Signature made Wed 18 Oct 2023 03:06:44 PDT
# gpg:                using RSA key 1899FF8EDEBF58CCEE034B82F487EF185872D723
# gpg: Good signature from "Juan Quintela <quintela@redhat.com>" [full]
# gpg:                 aka "Juan Quintela <quintela@trasno.org>" [full]
# Primary key fingerprint: 1899 FF8E DEBF 58CC EE03  4B82 F487 EF18 5872 D723

* tag 'migration-20231018-pull-request' of https://gitlab.com/juan.quintela/qemu:
  migration: save_zero_page() can take block through pss
  migration: control_save_page() can take block through pss
  migration: save_compress_page() can take block through pss
  migration: Print block status when needed
  migration: Use "i" as an for index in ram-compress.c
  migration: Simplify decompress_data_with_multi_threads()
  migration: Move update_compress_threads_counts() to ram-compress.c
  migration: Create ram_compressed_pages()
  migration: Create populate_compress()
  migration: Move compression_counters cleanup ram-compress.c
  migration: RDMA is not compatible with anything else

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-10-19 10:20:36 -07:00
Richard Henderson
38ee0a7dfb linux-user: Remap guest SIGABRT
Distinguish host SIGABRT from guest SIGABRT by mapping
the guest signal onto one of the host RT signals.

This prevents a cycle by which a host assertion failure
is caught and handled by host_signal_handler, queued for
the guest, and then we attempt to continue past the
host abort.  What happens next depends on the host libc,
but is neither good nor helpful.

Acked-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-18 16:25:06 -07:00
Richard Henderson
4a6ebc19a7 linux-user: Detect and report host SIGILL, SIGFPE, SIGTRAP
These signals, when not spoofed via kill(), are always bugs.
Use die_from_signal to report this sensibly.

Acked-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-18 15:34:34 -07:00
Richard Henderson
f4e1168198 linux-user: Split out host_sig{segv,bus}_handler
Make host_signal_handler slightly easier to read.

Acked-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-18 15:34:28 -07:00
Richard Henderson
58c4e36c4e linux-user: Simplify signal_init
Install the host signal handler at the same time we are
probing the target signals for SIG_IGN/SIG_DFL.  Ignore
unmapped target signals.

Acked-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-18 15:34:12 -07:00
Richard Henderson
b60b91aa8f linux-user: Map unsupported signals to an out-of-bounds value
Do not return a valid signal number in one domain
when given an invalid signal number in the other domain.

Acked-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-18 15:33:59 -07:00
Richard Henderson
dbde2c0c0e linux-user: Only register handlers for core_dump_signal by default
The set of fatal signals is really immaterial.  If one arrives,
and is unhandled, then the qemu process dies and the parent gets
the correct signal.

It is only for those signals which we would like to perform a
guest core dump instead of a host core dump that we need to catch.

Acked-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-18 15:33:53 -07:00
Helge Deller
7dfd3ca8d9 linux-user: Detect and report host crashes
If there is an internal program error in the qemu source code which
raises SIGSEGV or SIGBUS, we currently assume the signal belongs to
the guest.  With an artificial error introduced, we will now print

   QEMU internal SIGSEGV {code=MAPERR, addr=(nil)}

Signed-off-by: Helge Deller <deller@gmx.de>
Message-Id: <20230812164314.352131-1-deller@gmx.de>
[rth: Use in_code_gen_buffer and die_with_signal; drop backtrace]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-18 15:33:45 -07:00
Richard Henderson
ee72c47eeb linux-user: Exit not abort in die_with_backtrace
This line is supposed to be unreachable, but if we're going to
have it at all, SIGABRT via abort() is subject to the same signal
peril that created this function in the first place.

We can _exit immediately without peril.

Acked-by: Helge Deller <deller@gmx.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-18 15:33:41 -07:00
Richard Henderson
b8b50f1e9a linux-user: Split out die_with_signal
Because we trap so many signals for use by the guest,
we have to take extra steps to exit properly.

Acked-by: Helge Deller <deller@gmx.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-18 15:33:30 -07:00
Richard Henderson
912ff698ca linux-user: Propagate failure in mmap_reserve_or_unmap back to target_munmap
Do not assert success, but return any failure received.
Additionally, fix the method of earlier error return in target_munmap.

Reported-by: Andreas Schwab <schwab@suse.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-18 15:32:16 -07:00
Jiajie Chen
a9f6004f67 linux-user/elfload: Enable LSX/LASX in HWCAP for LoongArch
Since support for LSX and LASX is landed in QEMU recently, we can update
HWCAPS accordingly.

Signed-off-by: Jiajie Chen <c@jia.je>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231001085315.1692667-1-c@jia.je>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-18 15:32:16 -07:00
Mikulas Patocka
3b894b699c linux-user/sh4: Fix crashes on signal delivery
sh4 uses gUSA (general UserSpace Atomicity) to provide atomicity on CPUs
that don't have atomic instructions. A gUSA region that adds 1 to an
atomic variable stored in @R2 looks like this:

  4004b6:       03 c7           mova    4004c4 <gusa+0x10>,r0
  4004b8:       f3 61           mov     r15,r1
  4004ba:       09 00           nop
  4004bc:       fa ef           mov     #-6,r15
  4004be:       22 63           mov.l   @r2,r3
  4004c0:       01 73           add     #1,r3
  4004c2:       32 22           mov.l   r3,@r2
  4004c4:       13 6f           mov     r1,r15

R0 contains a pointer to the end of the gUSA region
R1 contains the saved stack pointer
R15 contains negative length of the gUSA region

When this region is interrupted by a signal, the kernel detects if
R15 >= -128U. If yes, the kernel rolls back PC to the beginning of the
region and restores SP by copying R1 to R15.

The problem happens if we are interrupted by a signal at address 4004c4.
R15 still holds the value -6, but the atomic value was already written by
an instruction at address 4004c2. In this situation we can't undo the
gUSA. The function unwind_gusa does nothing, the signal handler attempts
to push a signal frame to the address -6 and crashes.

This patch fixes it, so that if we are interrupted at the last instruction
in a gUSA region, we copy R1 to R15 to restore the correct stack pointer
and avoid crashing.

There's another bug: if we are interrupted in a delay slot, we save the
address of the instruction in the delay slot. We must save the address of
the previous instruction.

Cc: qemu-stable@nongnu.org
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Reviewed-by: Yoshinori Sato <ysato@users.sourcefoege.jp>
Message-Id: <b16389f7-6c62-70b7-59b3-87533c0bcc@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-18 15:32:16 -07:00
Mikulas Patocka
6fad9b4bb9 linux-user/mips: fix abort on integer overflow
QEMU mips userspace emulation crashes with "qemu: unhandled CPU exception
0x15 - aborting" when one of the integer arithmetic instructions detects
an overflow.

This patch fixes it so that it delivers SIGFPE with FPE_INTOVF instead.

Cc: qemu-stable@nongnu.org
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Message-Id: <3ef979a8-3ee1-eb2d-71f7-d788ff88dd11@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-18 15:32:16 -07:00
Richard Henderson
e6e66b0328 linux-user: Fixes for zero_bss
The previous change, 2d385be615, assumed !PAGE_VALID meant that
the page would be unmapped by the elf image.  However, since we
reserved the entire image space via mmap, PAGE_VALID will always
be set.  Instead, assume PROT_NONE for the same condition.

Furthermore, assume bss is only ever present for writable segments,
and that there is no page overlap between PT_LOAD segments.
Instead of an assert, return false to indicate failure.

Cc: qemu-stable@nongnu.org
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1854
Fixes: 2d385be615 ("linux-user: Do not adjust zero_bss for host page size")
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-18 15:32:16 -07:00
Stefan Hajnoczi
deaca3fd30 vfio queue:
* Support for VFIODisplay migration with ramfb
 * Preliminary work for IOMMUFD support
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Merge tag 'pull-vfio-20231018' of https://github.com/legoater/qemu into staging

vfio queue:

* Support for VFIODisplay migration with ramfb
* Preliminary work for IOMMUFD support

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# gpg: Signature made Wed 18 Oct 2023 04:16:06 EDT
# gpg:                using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
# gpg: Good signature from "Cédric Le Goater <clg@redhat.com>" [unknown]
# gpg:                 aka "Cédric Le Goater <clg@kaod.org>" [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: A0F6 6548 F048 95EB FE6B  0B60 51A3 43C7 CFFB ECA1

* tag 'pull-vfio-20231018' of https://github.com/legoater/qemu: (22 commits)
  hw/vfio: add ramfb migration support
  ramfb-standalone: add migration support
  ramfb: add migration support
  vfio/pci: Remove vfio_detach_device from vfio_realize error path
  vfio/ccw: Remove redundant definition of TYPE_VFIO_CCW
  vfio/ap: Remove pointless apdev variable
  vfio/pci: Fix a potential memory leak in vfio_listener_region_add
  vfio/common: Move legacy VFIO backend code into separate container.c
  vfio/common: Introduce a global VFIODevice list
  vfio/common: Store the parent container in VFIODevice
  vfio/common: Introduce a per container device list
  vfio/common: Move VFIO reset handler registration to a group agnostic function
  vfio/ccw: Use vfio_[attach/detach]_device
  vfio/ap: Use vfio_[attach/detach]_device
  vfio/platform: Use vfio_[attach/detach]_device
  vfio/pci: Introduce vfio_[attach/detach]_device
  vfio/common: Extract out vfio_kvm_device_[add/del]_fd
  vfio/common: Introduce vfio_container_add|del_section_window()
  vfio/common: Propagate KVM_SET_DEVICE_ATTR error if any
  vfio/common: Move IOMMU agnostic helpers to a separate file
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-10-18 06:21:15 -04:00
Stefan Hajnoczi
604b70f6a4 * build system and Python cleanups
* fix netbsd VM build
 * allow non-relocatable installs
 * allow using command line options to configure qemu-ga
 * target/i386: check intercept for XSETBV
 * target/i386: fix CPUID_HT exposure
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* build system and Python cleanups
* fix netbsd VM build
* allow non-relocatable installs
* allow using command line options to configure qemu-ga
* target/i386: check intercept for XSETBV
* target/i386: fix CPUID_HT exposure

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# gpg: Signature made Wed 18 Oct 2023 04:02:12 EDT
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# 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

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (32 commits)
  configure: define "pkg-config" in addition to "pkgconfig"
  meson: add a note on why we use config_host for program paths
  meson-buildoptions: document the data at the top
  configure, meson: use command line options to configure qemu-ga
  configure: unify handling of several Debian cross containers
  configure: move environment-specific defaults to config-meson.cross
  configure: move target-specific defaults to an external machine file
  configure: remove some dead cruft
  configure: clean up PIE option handling
  configure: clean up plugin option handling
  configure, tests/tcg: simplify GDB conditionals
  tests/tcg/arm: move non-SVE tests out of conditional
  hw/remote: move stub vfu_object_set_bus_irq out of stubs/
  hw/xen: cleanup sourcesets
  configure: clean up handling of CFI option
  meson, cutils: allow non-relocatable installs
  meson: do not use set10
  meson: do not build shaders by default
  tracetool: avoid invalid escape in Python string
  tests/vm: avoid invalid escape in Python string
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-10-18 06:20:41 -04:00
Juan Quintela
e8e4e7acd8 migration: save_zero_page() can take block through pss
Reviewed-by: Lukas Straub <lukasstraub2@web.de>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2023-10-18 10:39:03 +02:00
Juan Quintela
944853c201 migration: control_save_page() can take block through pss
Reviewed-by: Lukas Straub <lukasstraub2@web.de>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2023-10-18 10:39:03 +02:00
Juan Quintela
d637a182b9 migration: save_compress_page() can take block through pss
Reviewed-by: Lukas Straub <lukasstraub2@web.de>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2023-10-18 10:39:03 +02:00