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[Qemu-commits] [qemu/qemu] e7218d: hw/i386/xen/: move xen-mapcache.c to


From: Richard Henderson
Subject: [Qemu-commits] [qemu/qemu] e7218d: hw/i386/xen/: move xen-mapcache.c to hw/xen/
Date: Sat, 17 Jun 2023 01:02:05 -0700

  Branch: refs/heads/master
  Home:   https://github.com/qemu/qemu
  Commit: e7218dd57cb60cb03310a989149963be8c1da4fe
      
https://github.com/qemu/qemu/commit/e7218dd57cb60cb03310a989149963be8c1da4fe
  Author: Vikram Garhwal <vikram.garhwal@amd.com>
  Date:   2023-06-15 (Thu, 15 Jun 2023)

  Changed paths:
    M hw/i386/meson.build
    M hw/i386/xen/meson.build
    M hw/i386/xen/trace-events
    R hw/i386/xen/xen-mapcache.c
    M hw/xen/meson.build
    M hw/xen/trace-events
    A hw/xen/xen-mapcache.c

  Log Message:
  -----------
  hw/i386/xen/: move xen-mapcache.c to hw/xen/

xen-mapcache.c contains common functions which can be used for enabling Xen on
aarch64 with IOREQ handling. Moving it out from hw/i386/xen to hw/xen to make it
accessible for both aarch64 and x86.

Signed-off-by: Vikram Garhwal <vikram.garhwal@amd.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@amd.com>
Reviewed-by: Paul Durrant <paul@xen.org>


  Commit: 33087aacfab86c6a30721f6493391472ace0b752
      
https://github.com/qemu/qemu/commit/33087aacfab86c6a30721f6493391472ace0b752
  Author: Vikram Garhwal <vikram.garhwal@amd.com>
  Date:   2023-06-15 (Thu, 15 Jun 2023)

  Changed paths:
    M hw/i386/xen/xen-hvm.c

  Log Message:
  -----------
  hw/i386/xen: rearrange xen_hvm_init_pc

In preparation to moving most of xen-hvm code to an arch-neutral location,
move non IOREQ references to:
- xen_get_vmport_regs_pfn
- xen_suspend_notifier
- xen_wakeup_notifier
- xen_ram_init

towards the end of the xen_hvm_init_pc() function.

This is done to keep the common ioreq functions in one place which will be
moved to new function in next patch in order to make it common to both x86 and
aarch64 machines.

Signed-off-by: Vikram Garhwal <vikram.garhwal@amd.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@amd.com>
Reviewed-by: Paul Durrant <paul@xen.org>


  Commit: 9269b9d1888c2b17d2e9948abf9f6310b3afbac3
      
https://github.com/qemu/qemu/commit/9269b9d1888c2b17d2e9948abf9f6310b3afbac3
  Author: Stefano Stabellini <stefano.stabellini@amd.com>
  Date:   2023-06-15 (Thu, 15 Jun 2023)

  Changed paths:
    M hw/i386/xen/xen-hvm.c

  Log Message:
  -----------
  hw/i386/xen/xen-hvm: move x86-specific fields out of XenIOState

In preparation to moving most of xen-hvm code to an arch-neutral location, move:
- shared_vmport_page
- log_for_dirtybit
- dirty_bitmap
- suspend
- wakeup

out of XenIOState struct as these are only used on x86, especially the ones
related to dirty logging.
Updated XenIOState can be used for both aarch64 and x86.

Also, remove free_phys_offset as it was unused.

Signed-off-by: Stefano Stabellini <stefano.stabellini@amd.com>
Signed-off-by: Vikram Garhwal <vikram.garhwal@amd.com>
Reviewed-by: Paul Durrant <paul@xen.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>


  Commit: f17068c1c784d9732982e8977d6f18dce08f1fe1
      
https://github.com/qemu/qemu/commit/f17068c1c784d9732982e8977d6f18dce08f1fe1
  Author: Stefano Stabellini <stefano.stabellini@amd.com>
  Date:   2023-06-15 (Thu, 15 Jun 2023)

  Changed paths:
    M hw/i386/xen/trace-events
    M hw/i386/xen/xen-hvm.c
    M hw/xen/meson.build
    M hw/xen/trace-events
    A hw/xen/xen-hvm-common.c
    A include/hw/i386/xen_arch_hvm.h
    A include/hw/xen/arch_hvm.h
    A include/hw/xen/xen-hvm-common.h

  Log Message:
  -----------
  xen-hvm: reorganize xen-hvm and move common function to xen-hvm-common

This patch does following:
1. creates arch_handle_ioreq() and arch_xen_set_memory(). This is done in
    preparation for moving most of xen-hvm code to an arch-neutral location,
    move the x86-specific portion of xen_set_memory to arch_xen_set_memory.
    Also, move handle_vmport_ioreq to arch_handle_ioreq.

2. Pure code movement: move common functions to hw/xen/xen-hvm-common.c
    Extract common functionalities from hw/i386/xen/xen-hvm.c and move them to
    hw/xen/xen-hvm-common.c. These common functions are useful for creating
    an IOREQ server.

    xen_hvm_init_pc() contains the architecture independent code for creating
    and mapping a IOREQ server, connecting memory and IO listeners, initializing
    a xen bus and registering backends. Moved this common xen code to a new
    function xen_register_ioreq() which can be used by both x86 and ARM 
machines.

    Following functions are moved to hw/xen/xen-hvm-common.c:
        xen_vcpu_eport(), xen_vcpu_ioreq(), xen_ram_alloc(), xen_set_memory(),
        xen_region_add(), xen_region_del(), xen_io_add(), xen_io_del(),
        xen_device_realize(), xen_device_unrealize(),
        cpu_get_ioreq_from_shared_memory(), cpu_get_ioreq(), do_inp(),
        do_outp(), rw_phys_req_item(), read_phys_req_item(),
        write_phys_req_item(), cpu_ioreq_pio(), cpu_ioreq_move(),
        cpu_ioreq_config(), handle_ioreq(), handle_buffered_iopage(),
        handle_buffered_io(), cpu_handle_ioreq(), xen_main_loop_prepare(),
        xen_hvm_change_state_handler(), xen_exit_notifier(),
        xen_map_ioreq_server(), destroy_hvm_domain() and
        xen_shutdown_fatal_error()

3. Removed static type from below functions:
    1. xen_region_add()
    2. xen_region_del()
    3. xen_io_add()
    4. xen_io_del()
    5. xen_device_realize()
    6. xen_device_unrealize()
    7. xen_hvm_change_state_handler()
    8. cpu_ioreq_pio()
    9. xen_exit_notifier()

4. Replace TARGET_PAGE_SIZE with XC_PAGE_SIZE to match the page side with Xen.

Signed-off-by: Vikram Garhwal <vikram.garhwal@amd.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@amd.com>
Acked-by: Stefano Stabellini <sstabellini@kernel.org>


  Commit: 420927c218a96c6a39cb5b1516e011506f33f68a
      
https://github.com/qemu/qemu/commit/420927c218a96c6a39cb5b1516e011506f33f68a
  Author: Stefano Stabellini <stefano.stabellini@amd.com>
  Date:   2023-06-15 (Thu, 15 Jun 2023)

  Changed paths:
    M include/hw/xen/xen_native.h

  Log Message:
  -----------
  include/hw/xen/xen_common: return error from xen_create_ioreq_server

This is done to prepare for enabling xenpv support for ARM architecture.
On ARM it is possible to have a functioning xenpv machine with only the
PV backends and no IOREQ server. If the IOREQ server creation fails,
continue to the PV backends initialization.

Signed-off-by: Stefano Stabellini <stefano.stabellini@amd.com>
Signed-off-by: Vikram Garhwal <vikram.garhwal@amd.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Reviewed-by: Paul Durrant <paul@xen.org>


  Commit: 5ff5c8da948895ceb6ce42408e974488d08ba2d3
      
https://github.com/qemu/qemu/commit/5ff5c8da948895ceb6ce42408e974488d08ba2d3
  Author: Stefano Stabellini <stefano.stabellini@amd.com>
  Date:   2023-06-15 (Thu, 15 Jun 2023)

  Changed paths:
    M hw/xen/xen-hvm-common.c

  Log Message:
  -----------
  hw/xen/xen-hvm-common: skip ioreq creation on ioreq registration failure

On ARM it is possible to have a functioning xenpv machine with only the
PV backends and no IOREQ server. If the IOREQ server creation fails continue
to the PV backends initialization.

Also, moved the IOREQ registration and mapping subroutine to new function
xen_do_ioreq_register().

Signed-off-by: Stefano Stabellini <stefano.stabellini@amd.com>
Signed-off-by: Vikram Garhwal <vikram.garhwal@amd.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Reviewed-by: Paul Durrant <paul@xen.org>


  Commit: 6c4193ed1690ab140a94d8288dcd41237504e7d2
      
https://github.com/qemu/qemu/commit/6c4193ed1690ab140a94d8288dcd41237504e7d2
  Author: Vikram Garhwal <vikram.garhwal@amd.com>
  Date:   2023-06-15 (Thu, 15 Jun 2023)

  Changed paths:
    M hw/xen/xen-hvm-common.c

  Log Message:
  -----------
  hw/xen/xen-hvm-common: Use g_new and error_report

Replace g_malloc with g_new and perror with error_report.

Signed-off-by: Vikram Garhwal <vikram.garhwal@amd.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Reviewed-by: Paul Durrant <paul@xen.org>


  Commit: a4b4b40be86f69a994bf614edd49d8f1fb79422e
      
https://github.com/qemu/qemu/commit/a4b4b40be86f69a994bf614edd49d8f1fb79422e
  Author: Stefano Stabellini <stefano.stabellini@amd.com>
  Date:   2023-06-15 (Thu, 15 Jun 2023)

  Changed paths:
    M meson.build

  Log Message:
  -----------
  meson.build: do not set have_xen_pci_passthrough for aarch64 targets

have_xen_pci_passthrough is only used for Xen x86 VMs.

Signed-off-by: Stefano Stabellini <stefano.stabellini@amd.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>


  Commit: 733766cd37338ea08cb6c22c6e040d55b26f326c
      
https://github.com/qemu/qemu/commit/733766cd37338ea08cb6c22c6e040d55b26f326c
  Author: Vikram Garhwal <vikram.garhwal@amd.com>
  Date:   2023-06-15 (Thu, 15 Jun 2023)

  Changed paths:
    A docs/system/arm/xenpvh.rst
    M docs/system/target-arm.rst
    M hw/arm/meson.build
    A hw/arm/xen_arm.c
    A include/hw/arm/xen_arch_hvm.h
    M include/hw/xen/arch_hvm.h

  Log Message:
  -----------
  hw/arm: introduce xenpvh machine

Add a new machine xenpvh which creates a IOREQ server to register/connect with
Xen Hypervisor.

Optional: When CONFIG_TPM is enabled, it also creates a tpm-tis-device, adds a
TPM emulator and connects to swtpm running on host machine via chardev socket
and support TPM functionalities for a guest domain.

Extra command line for aarch64 xenpvh QEMU to connect to swtpm:
    -chardev socket,id=chrtpm,path=/tmp/myvtpm2/swtpm-sock \
    -tpmdev emulator,id=tpm0,chardev=chrtpm \
    -machine tpm-base-addr=0x0c000000 \

swtpm implements a TPM software emulator(TPM 1.2 & TPM 2) built on libtpms and
provides access to TPM functionality over socket, chardev and CUSE interface.
Github repo: https://github.com/stefanberger/swtpm
Example for starting swtpm on host machine:
    mkdir /tmp/vtpm2
    swtpm socket --tpmstate dir=/tmp/vtpm2 \
    --ctrl type=unixio,path=/tmp/vtpm2/swtpm-sock &

Signed-off-by: Vikram Garhwal <vikram.garhwal@amd.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@amd.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>


  Commit: aaea616d54317b8a0154adf52303a51da2d8d56f
      
https://github.com/qemu/qemu/commit/aaea616d54317b8a0154adf52303a51da2d8d56f
  Author: Vikram Garhwal <vikram.garhwal@amd.com>
  Date:   2023-06-15 (Thu, 15 Jun 2023)

  Changed paths:
    M meson.build

  Log Message:
  -----------
  meson.build: enable xenpv machine build for ARM

Add CONFIG_XEN for aarch64 device to support build for ARM targets.

Signed-off-by: Vikram Garhwal <vikram.garhwal@amd.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@amd.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>


  Commit: d8a714eba68cd7221d44a6acb6b8a69cf6f2f86b
      
https://github.com/qemu/qemu/commit/d8a714eba68cd7221d44a6acb6b8a69cf6f2f86b
  Author: Vikram Garhwal <vikram.garhwal@amd.com>
  Date:   2023-06-15 (Thu, 15 Jun 2023)

  Changed paths:
    M tests/qtest/libqtest.c

  Log Message:
  -----------
  test/qtest: add xepvh to skip list for qtest

Like existing xen machines, xenpvh also cannot be used for qtest.

Signed-off-by: Vikram Garhwal <vikram.garhwal@amd.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>


  Commit: 8f30771ce61b0290fdb00b4cdbbc514723008a12
      
https://github.com/qemu/qemu/commit/8f30771ce61b0290fdb00b4cdbbc514723008a12
  Author: Tianrui Zhao <zhaotianrui@loongson.cn>
  Date:   2023-06-16 (Fri, 16 Jun 2023)

  Changed paths:
    M hw/loongarch/acpi-build.c
    M hw/loongarch/virt.c

  Log Message:
  -----------
  hw/loongarch/virt: Add cpu arch_id support

With acpi madt table, there is cpu physical coreid, which may
be different with logical id in qemu. This patch adds cpu arch_id
support, and fill madt table with arch_id. For the present cpu
arch_id is still equal to logical id.

Reviewed-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Tianrui Zhao <zhaotianrui@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20230613120552.2471420-2-zhaotianrui@loongson.cn>


  Commit: 758a7475663f36d0d411e9cb4199b6c543152f8a
      
https://github.com/qemu/qemu/commit/758a7475663f36d0d411e9cb4199b6c543152f8a
  Author: Tianrui Zhao <zhaotianrui@loongson.cn>
  Date:   2023-06-16 (Fri, 16 Jun 2023)

  Changed paths:
    M hw/intc/loongarch_ipi.c
    M hw/loongarch/virt.c
    M target/loongarch/cpu.h

  Log Message:
  -----------
  hw/intc: Set physical cpuid route for LoongArch ipi device

LoongArch ipi device uses physical cpuid to route to different
vcpus rather logical cpuid, and the physical cpuid is the same
with cpuid in acpi dsdt and srat table.

Reviewed-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Tianrui Zhao <zhaotianrui@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20230613120552.2471420-3-zhaotianrui@loongson.cn>


  Commit: 0cf1478d6d708276f37361169e327b755669cf8a
      
https://github.com/qemu/qemu/commit/0cf1478d6d708276f37361169e327b755669cf8a
  Author: Tianrui Zhao <zhaotianrui@loongson.cn>
  Date:   2023-06-16 (Fri, 16 Jun 2023)

  Changed paths:
    M hw/loongarch/Kconfig
    M hw/loongarch/acpi-build.c
    M hw/loongarch/virt.c

  Log Message:
  -----------
  hw/loongarch: Add numa support

1. Implement some functions for LoongArch numa support;
2. Implement fdt_add_memory_node() for fdt;
3. build_srat() fills node_id and adds build numa memory.

Reviewed-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Tianrui Zhao <zhaotianrui@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20230613122613.2471743-1-zhaotianrui@loongson.cn>


  Commit: f33238836544cb6f3b27968d1ececbd46f037904
      
https://github.com/qemu/qemu/commit/f33238836544cb6f3b27968d1ececbd46f037904
  Author: Tianrui Zhao <zhaotianrui@loongson.cn>
  Date:   2023-06-16 (Fri, 16 Jun 2023)

  Changed paths:
    M hw/loongarch/acpi-build.c
    M hw/loongarch/virt.c

  Log Message:
  -----------
  hw/loongarch: Supplement cpu topology arguments

Supplement LoongArch cpu topology arguments, including support socket
and threads per core.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Tianrui Zhao <zhaotianrui@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20230613123251.2471878-1-zhaotianrui@loongson.cn>


  Commit: 505aa8d8f29b79fcef77563bb4124208badbd8d4
      
https://github.com/qemu/qemu/commit/505aa8d8f29b79fcef77563bb4124208badbd8d4
  Author: Jiajie Chen <c@jia.je>
  Date:   2023-06-16 (Fri, 16 Jun 2023)

  Changed paths:
    M target/loongarch/tlb_helper.c

  Log Message:
  -----------
  target/loongarch: Fix CSR.DMW0-3.VSEG check

The previous code checks whether the highest 16 bits of virtual address
equal to that of CSR.DMW0-3. This is incorrect according to the spec,
and is corrected to compare only the highest four bits instead.

Signed-off-by: Jiajie Chen <c@jia.je>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20230614065556.2397513-1-c@jia.je>
Signed-off-by: Song Gao <gaosong@loongson.cn>


  Commit: 0d7c8da0cca563850e0cde6c864bab1981cc52bf
      
https://github.com/qemu/qemu/commit/0d7c8da0cca563850e0cde6c864bab1981cc52bf
  Author: Richard Henderson <richard.henderson@linaro.org>
  Date:   2023-06-16 (Fri, 16 Jun 2023)

  Changed paths:
    A docs/system/arm/xenpvh.rst
    M docs/system/target-arm.rst
    M hw/arm/meson.build
    A hw/arm/xen_arm.c
    M hw/i386/meson.build
    M hw/i386/xen/meson.build
    M hw/i386/xen/trace-events
    M hw/i386/xen/xen-hvm.c
    R hw/i386/xen/xen-mapcache.c
    M hw/xen/meson.build
    M hw/xen/trace-events
    A hw/xen/xen-hvm-common.c
    A hw/xen/xen-mapcache.c
    A include/hw/arm/xen_arch_hvm.h
    A include/hw/i386/xen_arch_hvm.h
    A include/hw/xen/arch_hvm.h
    A include/hw/xen/xen-hvm-common.h
    M include/hw/xen/xen_native.h
    M meson.build
    M tests/qtest/libqtest.c

  Log Message:
  -----------
  Merge tag 'xenpvh5-tag' of https://gitlab.com/sstabellini/qemu into staging

xenpvh5

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# -----END PGP SIGNATURE-----
# gpg: Signature made Fri 16 Jun 2023 01:48:20 AM CEST
# gpg:                using RSA key D04E33ABA51F67BA07D30AEA894F8F4870E1AE90
# gpg: Good signature from "Stefano Stabellini <sstabellini@kernel.org>" 
[unknown]
# gpg:                 aka "Stefano Stabellini 
<stefano.stabellini@eu.citrix.com>" [undefined]
# 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: D04E 33AB A51F 67BA 07D3  0AEA 894F 8F48 70E1 AE90

* tag 'xenpvh5-tag' of https://gitlab.com/sstabellini/qemu:
  test/qtest: add xepvh to skip list for qtest
  meson.build: enable xenpv machine build for ARM
  hw/arm: introduce xenpvh machine
  meson.build: do not set have_xen_pci_passthrough for aarch64 targets
  hw/xen/xen-hvm-common: Use g_new and error_report
  hw/xen/xen-hvm-common: skip ioreq creation on ioreq registration failure
  include/hw/xen/xen_common: return error from xen_create_ioreq_server
  xen-hvm: reorganize xen-hvm and move common function to xen-hvm-common
  hw/i386/xen/xen-hvm: move x86-specific fields out of XenIOState
  hw/i386/xen: rearrange xen_hvm_init_pc
  hw/i386/xen/: move xen-mapcache.c to hw/xen/

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>


  Commit: e3660cc1e3cb136af50c0eaaeac27943c2438d1d
      
https://github.com/qemu/qemu/commit/e3660cc1e3cb136af50c0eaaeac27943c2438d1d
  Author: Richard Henderson <richard.henderson@linaro.org>
  Date:   2023-06-16 (Fri, 16 Jun 2023)

  Changed paths:
    M hw/intc/loongarch_ipi.c
    M hw/loongarch/Kconfig
    M hw/loongarch/acpi-build.c
    M hw/loongarch/virt.c
    M target/loongarch/cpu.h
    M target/loongarch/tlb_helper.c

  Log Message:
  -----------
  Merge tag 'pull-loongarch-20230616' of https://gitlab.com/gaosong/qemu into 
staging

pull-loongarch-20230616

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# gpg: Signature made Fri 16 Jun 2023 12:00:18 PM CEST
# gpg:                using RSA key B8FF1DA0D2FDCB2DA09C6C2C40A2FFF239263EDF
# gpg: Good signature from "Song Gao <m17746591750@163.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: B8FF 1DA0 D2FD CB2D A09C  6C2C 40A2 FFF2 3926 3EDF

* tag 'pull-loongarch-20230616' of https://gitlab.com/gaosong/qemu:
  target/loongarch: Fix CSR.DMW0-3.VSEG check
  hw/loongarch: Supplement cpu topology arguments
  hw/loongarch: Add numa support
  hw/intc: Set physical cpuid route for LoongArch ipi device
  hw/loongarch/virt: Add cpu arch_id support

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>


Compare: https://github.com/qemu/qemu/compare/5692a39f3294...e3660cc1e3cb



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