Commit Graph

1823 Commits

Author SHA1 Message Date
Richard Henderson
f1572ab947 * virtio-blk: remove SCSI passthrough functionality
* require x86-64-v2 baseline ISA
 * SEV-SNP host support
 * fix xsave.flat with TCG
 * fixes for CPUID checks done by TCG
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* virtio-blk: remove SCSI passthrough functionality
* require x86-64-v2 baseline ISA
* SEV-SNP host support
* fix xsave.flat with TCG
* fixes for CPUID checks done by TCG

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# gpg: Signature made Wed 05 Jun 2024 02:01:10 AM PDT
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* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (46 commits)
  hw/i386: Add support for loading BIOS using guest_memfd
  hw/i386/sev: Use guest_memfd for legacy ROMs
  memory: Introduce memory_region_init_ram_guest_memfd()
  i386/sev: Allow measured direct kernel boot on SNP
  i386/sev: Reorder struct declarations
  i386/sev: Extract build_kernel_loader_hashes
  i386/sev: Enable KVM_HC_MAP_GPA_RANGE hcall for SNP guests
  i386/kvm: Add KVM_EXIT_HYPERCALL handling for KVM_HC_MAP_GPA_RANGE
  i386/sev: Invoke launch_updata_data() for SNP class
  i386/sev: Invoke launch_updata_data() for SEV class
  hw/i386/sev: Add support to encrypt BIOS when SEV-SNP is enabled
  i386/sev: Add support for SNP CPUID validation
  i386/sev: Add support for populating OVMF metadata pages
  hw/i386/sev: Add function to get SEV metadata from OVMF header
  i386/sev: Set CPU state to protected once SNP guest payload is finalized
  i386/sev: Add handling to encrypt/finalize guest launch data
  i386/sev: Add the SNP launch start context
  i386/sev: Update query-sev QAPI format to handle SEV-SNP
  i386/sev: Add a class method to determine KVM VM type for SNP guests
  i386/sev: Don't return launch measurements for SEV-SNP guests
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-06-05 07:45:23 -07:00
Michael Roth
59d3740cb4 i386/sev: Update query-sev QAPI format to handle SEV-SNP
Most of the current 'query-sev' command is relevant to both legacy
SEV/SEV-ES guests and SEV-SNP guests, with 2 exceptions:

  - 'policy' is a 64-bit field for SEV-SNP, not 32-bit, and
    the meaning of the bit positions has changed
  - 'handle' is not relevant to SEV-SNP

To address this, this patch adds a new 'sev-type' field that can be
used as a discriminator to select between SEV and SEV-SNP-specific
fields/formats without breaking compatibility for existing management
tools (so long as management tools that add support for launching
SEV-SNP guest update their handling of query-sev appropriately).

The corresponding HMP command has also been fixed up similarly.

Signed-off-by: Michael Roth <michael.roth@amd.com>
Co-developed-by:Pankaj Gupta <pankaj.gupta@amd.com>
Signed-off-by: Pankaj Gupta <pankaj.gupta@amd.com>
Message-ID: <20240530111643.1091816-15-pankaj.gupta@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-06-05 11:01:06 +02:00
Brijesh Singh
7b34df4426 i386/sev: Introduce 'sev-snp-guest' object
SEV-SNP support relies on a different set of properties/state than the
existing 'sev-guest' object. This patch introduces the 'sev-snp-guest'
object, which can be used to configure an SEV-SNP guest. For example,
a default-configured SEV-SNP guest with no additional information
passed in for use with attestation:

  -object sev-snp-guest,id=sev0

or a fully-specified SEV-SNP guest where all spec-defined binary
blobs are passed in as base64-encoded strings:

  -object sev-snp-guest,id=sev0, \
    policy=0x30000, \
    init-flags=0, \
    id-block=YWFhYWFhYWFhYWFhYWFhCg==, \
    id-auth=CxHK/OKLkXGn/KpAC7Wl1FSiisWDbGTEKz..., \
    author-key-enabled=on, \
    host-data=LNkCWBRC5CcdGXirbNUV1OrsR28s..., \
    guest-visible-workarounds=AA==, \

See the QAPI schema updates included in this patch for more usage
details.

In some cases these blobs may be up to 4096 characters, but this is
generally well below the default limit for linux hosts where
command-line sizes are defined by the sysconf-configurable ARG_MAX
value, which defaults to 2097152 characters for Ubuntu hosts, for
example.

Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Co-developed-by: Michael Roth <michael.roth@amd.com>
Acked-by: Markus Armbruster <armbru@redhat.com> (for QAPI schema)
Signed-off-by: Michael Roth <michael.roth@amd.com>
Co-developed-by: Pankaj Gupta <pankaj.gupta@amd.com>
Signed-off-by: Pankaj Gupta <pankaj.gupta@amd.com>
Message-ID: <20240530111643.1091816-8-pankaj.gupta@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-06-05 11:01:06 +02:00
Michael Roth
16dcf200dc i386/sev: Introduce "sev-common" type to encapsulate common SEV state
Currently all SEV/SEV-ES functionality is managed through a single
'sev-guest' QOM type. With upcoming support for SEV-SNP, taking this
same approach won't work well since some of the properties/state
managed by 'sev-guest' is not applicable to SEV-SNP, which will instead
rely on a new QOM type with its own set of properties/state.

To prepare for this, this patch moves common state into an abstract
'sev-common' parent type to encapsulate properties/state that are
common to both SEV/SEV-ES and SEV-SNP, leaving only SEV/SEV-ES-specific
properties/state in the current 'sev-guest' type. This should not
affect current behavior or command-line options.

As part of this patch, some related changes are also made:

  - a static 'sev_guest' variable is currently used to keep track of
    the 'sev-guest' instance. SEV-SNP would similarly introduce an
    'sev_snp_guest' static variable. But these instances are now
    available via qdev_get_machine()->cgs, so switch to using that
    instead and drop the static variable.

  - 'sev_guest' is currently used as the name for the static variable
    holding a pointer to the 'sev-guest' instance. Re-purpose the name
    as a local variable referring the 'sev-guest' instance, and use
    that consistently throughout the code so it can be easily
    distinguished from sev-common/sev-snp-guest instances.

  - 'sev' is generally used as the name for local variables holding a
    pointer to the 'sev-guest' instance. In cases where that now points
    to common state, use the name 'sev_common'; in cases where that now
    points to state specific to 'sev-guest' instance, use the name
    'sev_guest'

In order to enable kernel-hashes for SNP, pull it from
SevGuestProperties to its parent SevCommonProperties so
it will be available for both SEV and SNP.

Signed-off-by: Michael Roth <michael.roth@amd.com>
Co-developed-by: Dov Murik <dovmurik@linux.ibm.com>
Signed-off-by: Dov Murik <dovmurik@linux.ibm.com>
Acked-by: Markus Armbruster <armbru@redhat.com> (QAPI schema)
Co-developed-by: Pankaj Gupta <pankaj.gupta@amd.com>
Signed-off-by: Pankaj Gupta <pankaj.gupta@amd.com>
Message-ID: <20240530111643.1091816-5-pankaj.gupta@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-06-05 11:01:06 +02:00
Philippe Mathieu-Daudé
7ffc4894a6 trace: Remove deprecated 'vcpu' field from QMP trace events
'vcpu' fields are deprecated since commit 5485e52a33
("qapi: make the vcpu parameters deprecated for 8.1"),
time to remove them.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20240530071548.20074-3-philmd@linaro.org>
2024-06-04 11:53:43 +02:00
Philippe Mathieu-Daudé
0f910b8724 hw/acpi: Remove the deprecated QAPI MEM_UNPLUG_ERROR event
The MEM_UNPLUG_ERROR event is deprecated since commit d43f1670c7
("qapi/qdev.json: add DEVICE_UNPLUG_GUEST_ERROR QAPI event"),
time to remove it.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20240530071548.20074-2-philmd@linaro.org>
2024-06-04 11:53:43 +02:00
Akihiko Odaki
b04091393e qapi: Do not cast function pointers
Using -fsanitize=undefined with Clang v18 causes an error if function
pointers are casted:

 qapi/qapi-clone-visitor.c:188:5: runtime error: call to function visit_type_SocketAddress through pointer to incorrect function type 'bool (*)(struct Visitor *, const char *, void **, struct Error **)'
 /tmp/qemu-ubsan/qapi/qapi-visit-sockets.c:487: note: visit_type_SocketAddress defined here
     #0 0x5642aa2f7f3b in qapi_clone qapi/qapi-clone-visitor.c:188:5
     #1 0x5642aa2c8ce5 in qio_channel_socket_listen_async io/channel-socket.c:285:18
     #2 0x5642aa2b8903 in test_io_channel_setup_async tests/unit/test-io-channel-socket.c:116:5
     #3 0x5642aa2b8204 in test_io_channel tests/unit/test-io-channel-socket.c:179:9
     #4 0x5642aa2b8129 in test_io_channel_ipv4 tests/unit/test-io-channel-socket.c:323:5
     ...

It also prevents enabling the strict mode of CFI which is currently
disabled with -fsanitize-cfi-icall-generalize-pointers.

The problematic casts are necessary to pass visit_type_T() and
visit_type_T_members() as callbacks to qapi_clone() and qapi_clone_members(),
respectively. Open-code these two functions to avoid the callbacks, and
thus the type casts.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2346
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240524-xkb-v4-3-2de564e5c859@daynix.com>
[thuth: Improve commit message according to Markus' suggestions]
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-05-29 12:41:56 +02:00
Vladimir Sementsov-Ogievskiy
0fd05c8d80 qapi: blockdev-backup: add discard-source parameter
Add a parameter that enables discard-after-copy. That is mostly useful
in "push backup with fleecing" scheme, when source is snapshot-access
format driver node, based on copy-before-write filter snapshot-access
API:

[guest]      [snapshot-access] ~~ blockdev-backup ~~> [backup target]
   |            |
   | root       | file
   v            v
[copy-before-write]
   |             |
   | file        | target
   v             v
[active disk]   [temp.img]

In this case discard-after-copy does two things:

 - discard data in temp.img to save disk space
 - avoid further copy-before-write operation in discarded area

Note that we have to declare WRITE permission on source in
copy-before-write filter, for discard to work. Still we can't take it
unconditionally, as it will break normal backup from RO source. So, we
have to add a parameter and pass it thorough bdrv_open flags.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Reviewed-by: Fiona Ebner <f.ebner@proxmox.com>
Tested-by: Fiona Ebner <f.ebner@proxmox.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20240313152822.626493-5-vsementsov@yandex-team.ru>
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
2024-05-28 15:52:15 +03:00
Avihai Horon
a0359b56ec qapi/vfio: Add VFIO migration QAPI event
Add a new QAPI event for VFIO migration. This event will be emitted when
a VFIO device changes its migration state, for example, during migration
or when stopping/starting the guest.

This event can be used by management applications to get updates on the
current state of the VFIO device for their own purposes.

Note that this new event is introduced since VFIO devices have a unique
set of migration states which cannot be described as accurately by other
existing events such as run state or migration status.

Signed-off-by: Avihai Horon <avihaih@nvidia.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
2024-05-16 16:59:19 +02:00
Richard Henderson
dafec285bd * Attach s390x sclpconsole to a proper parent in the QOM tree
* SCLP related clean-ups
 * Report deprecated-props in cpu-model-expansion reply on s390x
 * Deprecate "-runas" and introduce "-run-with user=..." instead
 * Add some more qtest cases on LoongArch
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Merge tag 'pull-request-2024-05-10' of https://gitlab.com/thuth/qemu into staging

* Attach s390x sclpconsole to a proper parent in the QOM tree
* SCLP related clean-ups
* Report deprecated-props in cpu-model-expansion reply on s390x
* Deprecate "-runas" and introduce "-run-with user=..." instead
* Add some more qtest cases on LoongArch

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* tag 'pull-request-2024-05-10' of https://gitlab.com/thuth/qemu:
  tests/qtest: Add some test cases support on LoongArch
  qemu-options: Deprecate "-runas" and introduce "-run-with user=..." instead
  target/s390x: flag te and cte as deprecated
  target/s390x: report deprecated-props in cpu-model-expansion reply
  s390x/sclp: Simplify get_sclp_device()
  s390x/event-facility: Simplify sclp_get_event_facility_bus()
  s390x: Introduce a SCLPDevice pointer under the machine
  hw/s390x: Attach the sclpconsole to /machine/sclp/s390-sclp-event-facility

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-10 09:41:35 +02:00
Collin Walling
8aa2211e85 target/s390x: report deprecated-props in cpu-model-expansion reply
Retain a list of deprecated features disjoint from any particular
CPU model. A query-cpu-model-expansion reply will now provide a list of
properties (i.e. features) that are flagged as deprecated. Example:

    {
      "return": {
        "model": {
          "name": "z14.2-base",
          "deprecated-props": [
            "bpb",
            "csske"
          ],
          "props": {
            "pfmfi": false,
            "exrl": true,
            ...a lot more props...
            "skey": false,
            "vxpdeh2": false
          }
        }
      }
    }

It is recommended that s390 guests operate with these features
explicitly disabled to ensure compatibility with future hardware.

Signed-off-by: Collin Walling <walling@linux.ibm.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-ID: <20240429191059.11806-2-walling@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-05-10 08:34:20 +02:00
Fabiano Rosas
0222111a22 migration: Remove non-multifd compression
The 'compress' migration capability enables the old compression code
which has shown issues over the years and is thought to be less stable
and tested than the more recent multifd-based compression. The old
compression code has been deprecated in 8.2 and now is time to remove
it.

Deprecation commit 864128df46 ("migration: Deprecate old compression
method").

Acked-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
2024-05-08 09:20:59 -03:00
Fabiano Rosas
eef0bae3a7 migration: Remove block migration
The block migration has been considered obsolete since QEMU 8.2 in
favor of the more flexible storage migration provided by the
blockdev-mirror driver. Two releases have passed so now it's time to
remove it.

Deprecation commit 66db46ca83 ("migration: Deprecate block
migration").

Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
2024-05-08 09:20:58 -03:00
Fabiano Rosas
18d154f575 migration: Remove 'blk/-b' option from migrate commands
The block migration is considered obsolete and has been deprecated in
8.2. Remove the migrate command option that enables it. This only
affects the QMP and HMP commands, the feature can still be accessed by
setting the migration 'block' capability. The whole feature will be
removed in a future patch.

Deprecation commit 8846b5bfca ("migration: migrate 'blk' command
option is deprecated.").

Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
2024-05-08 09:20:58 -03:00
Fabiano Rosas
61c4e39f73 migration: Remove 'inc' option from migrate command
The block incremental option for block migration has been deprecated
in 8.2 in favor of using the block-mirror feature. Remove it now.

Deprecation commit 40101f320d ("migration: migrate 'inc' command
option is deprecated.").

Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
2024-05-08 09:20:58 -03:00
Fabiano Rosas
f7b1cd3c2e migration: Remove 'skipped' field from MigrationStats
The 'skipped' field of the MigrationStats struct has been deprecated
in 8.1. Time to remove it.

Deprecation commit 7b24d32634 ("migration: skipped field is really
obsolete.").

Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
2024-05-08 09:20:58 -03:00
Vladimir Sementsov-Ogievskiy
dbea1c89da qapi: introduce exit-on-error parameter for migrate-incoming
Now we do set MIGRATION_FAILED state, but don't give a chance to
orchestrator to query migration state and get the error.

Let's provide a possibility for QMP-based orchestrators to get an error
like with outgoing migration.

For hmp_migrate_incoming(), let's enable the new behavior: HMP is not
and ABI, it's mostly intended to use by developer and it makes sense
not to stop the process.

For x-exit-preconfig, let's keep the old behavior:
 - it's called from init(), so here we want to keep current behavior by
   default
 - it does exit on error by itself as well
So, if we want to change the behavior of x-exit-preconfig, it should be
another patch.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Acked-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
2024-05-08 09:20:58 -03:00
Zhao Liu
989bb312b0 hw/core: Introduce module-id as the topology subindex
Add module-id in CpuInstanceProperties, to locate the CPU with module
level.

Suggested-by: Xiaoyao Li <xiaoyao.li@intel.com>
Tested-by: Yongwei Ma <yongwei.ma@intel.com>
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Tested-by: Babu Moger <babu.moger@amd.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240424154929.1487382-4-zhao1.liu@intel.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-04-25 12:48:12 +02:00
Zhao Liu
8ec0a46347 hw/core/machine: Support modules in -smp
Add "modules" parameter parsing support in -smp.

Suggested-by: Xiaoyao Li <xiaoyao.li@intel.com>
Tested-by: Yongwei Ma <yongwei.ma@intel.com>
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Tested-by: Babu Moger <babu.moger@amd.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240424154929.1487382-3-zhao1.liu@intel.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-04-25 12:48:12 +02:00
Maksim Davydov
236e9397b3 qmp: add dump machine type compatibility properties
To control that creating new machine type doesn't affect the previous
types (their compat_props) and to check complex compat_props inheritance
we need qmp command to print machine type compatibility properties.
This patch adds the ability to get list of all the compat_props of the
corresponding supported machines for their comparison via new optional
argument of "query-machines" command. Since information on compatibility
properties can increase the command output by a factor of 40, add an
argument to enable it, default off.

Signed-off-by: Maksim Davydov <davydov-max@yandex-team.ru>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Acked-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240318213550.155573-3-davydov-max@yandex-team.ru>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-04-25 10:12:40 +02:00
Richard Henderson
85b597413d Removal of deprecated code
- Remove the Nios II target and hardware
 - Remove pvrdma device and rdmacm-mux helper
 - Remove GlusterFS RDMA protocol handling
 - Update Sriram Yagnaraman mail address
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Merge tag 'housekeeping-20240424' of https://github.com/philmd/qemu into staging

Removal of deprecated code

- Remove the Nios II target and hardware
- Remove pvrdma device and rdmacm-mux helper
- Remove GlusterFS RDMA protocol handling
- Update Sriram Yagnaraman mail address

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* tag 'housekeeping-20240424' of https://github.com/philmd/qemu:
  block/gluster: Remove deprecated RDMA protocol handling
  hw/rdma: Remove deprecated pvrdma device and rdmacm-mux helper
  hw/timer: Remove the ALTERA_TIMER model
  target/nios2: Remove the deprecated Nios II target
  MAINTAINERS: Update Sriram Yagnaraman mail address

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-04-24 11:49:57 -07:00
Richard Henderson
1e0a7549e1 Error reporting patches for 2024-04-24
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Merge tag 'pull-error-2024-04-24' of https://repo.or.cz/qemu/armbru into staging

Error reporting patches for 2024-04-24

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* tag 'pull-error-2024-04-24' of https://repo.or.cz/qemu/armbru:
  qapi: Inline and remove QERR_PROPERTY_VALUE_BAD definition
  qapi: Inline and remove QERR_MIGRATION_ACTIVE definition
  qapi: Correct error message for 'vcpu_dirty_limit' parameter
  qapi: Inline and remove QERR_INVALID_PARAMETER_TYPE definition
  qapi: Inline QERR_INVALID_PARAMETER_TYPE definition (constant value)
  qapi: Inline and remove QERR_INVALID_PARAMETER definition
  qapi: Inline and remove QERR_DEVICE_NO_HOTPLUG definition
  qapi: Inline and remove QERR_DEVICE_HAS_NO_MEDIUM definition
  qapi: Inline and remove QERR_BUS_NO_HOTPLUG definition
  error: Drop superfluous #include "qapi/qmp/qerror.h"

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-04-24 09:22:42 -07:00
Philippe Mathieu-Daudé
1dfd42c426 hw/rdma: Remove deprecated pvrdma device and rdmacm-mux helper
The whole RDMA subsystem was deprecated in commit e9a54265f5
("hw/rdma: Deprecate the pvrdma device and the rdma subsystem")
released in v8.2.

Remove:
 - PVRDMA device
 - generated vmw_pvrdma/ directory from linux-headers
 - rdmacm-mux tool from contrib/

Cc: Yuval Shaia <yuval.shaia.ml@gmail.com>
Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20240328130255.52257-2-philmd@linaro.org>
2024-04-24 16:03:38 +02:00
Philippe Mathieu-Daudé
6c3014858c target/nios2: Remove the deprecated Nios II target
The Nios II target is deprecated since v8.2 in commit 9997771bc1
("target/nios2: Deprecate the Nios II architecture").

Remove:
- Buildsys / CI infra
- User emulation
- System emulation (10m50-ghrd & nios2-generic-nommu machines)
- Tests

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Marek Vasut <marex@denx.de>
Message-Id: <20240327144806.11319-3-philmd@linaro.org>
2024-04-24 16:03:38 +02:00
Philippe Mathieu-Daudé
aaeafa5090 qapi: Inline QERR_INVALID_PARAMETER_TYPE definition (constant value)
Address the comment added in commit 4629ed1e98
("qerror: Finally unused, clean up"), from 2015:

  /*
   * These macros will go away, please don't use
   * in new code, and do not add new ones!
   */

Mechanical transformation using the following
coccinelle semantic patch:

    @match@
    expression errp;
    expression param;
    constant value;
    @@
         error_setg(errp, QERR_INVALID_PARAMETER_TYPE, param, value);

    @script:python strformat depends on match@
    value << match.value;
    fixedfmt; // new var
    @@
    fixedfmt = f'"Invalid parameter type for \'%s\', expected: {value[1:-1]}"'
    coccinelle.fixedfmt = cocci.make_ident(fixedfmt)

    @replace@
    expression match.errp;
    expression match.param;
    constant match.value;
    identifier strformat.fixedfmt;
    @@
    -    error_setg(errp, QERR_INVALID_PARAMETER_TYPE, param, value);
    +    error_setg(errp, fixedfmt, param);

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240312141343.3168265-7-armbru@redhat.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
2024-04-24 09:50:58 +02:00
Philippe Mathieu-Daudé
c6f5d406e1 qapi: Inline and remove QERR_INVALID_PARAMETER definition
Address the comment added in commit 4629ed1e98
("qerror: Finally unused, clean up"), from 2015:

  /*
   * These macros will go away, please don't use
   * in new code, and do not add new ones!
   */

Mechanical transformation using:

  $ sed -i -e "s/QERR_INVALID_PARAMETER,/\"Invalid parameter '%s'\",/" \
    $(git grep -lw QERR_INVALID_PARAMETER)

Manually simplify qemu_opts_create(), and remove the macro definition
in include/qapi/qmp/qerror.h.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240312141343.3168265-6-armbru@redhat.com>
2024-04-24 09:50:58 +02:00
Michael Roth
023267334d i386/sev: Add 'legacy-vm-type' parameter for SEV guest objects
QEMU will currently automatically make use of the KVM_SEV_INIT2 API for
initializing SEV and SEV-ES guests verses the older
KVM_SEV_INIT/KVM_SEV_ES_INIT interfaces.

However, the older interfaces will silently avoid sync'ing FPU/XSAVE
state to the VMSA prior to encryption, thus relying on behavior and
measurements that assume the related fields to be allow zero.

With KVM_SEV_INIT2, this state is now synced into the VMSA, resulting in
measurements changes and, theoretically, behaviorial changes, though the
latter are unlikely to be seen in practice.

To allow a smooth transition to the newer interface, while still
providing a mechanism to maintain backward compatibility with VMs
created using the older interfaces, provide a new command-line
parameter:

  -object sev-guest,legacy-vm-type=true,...

and have it default to false.

Signed-off-by: Michael Roth <michael.roth@amd.com>
Message-ID: <20240409230743.962513-2-michael.roth@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-04-23 17:35:25 +02:00
Stefan Weil
f6822fee96 Fix some typos in documentation (found by codespell)
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-04-02 13:38:40 +03:00
David Hildenbrand
1a533ce986 qapi: document parameters of query-cpu-model-* QAPI commands
Let's document the parameters of these commands, so we can remove them
from the "documentation-exceptions" list.

While at it, extend the "Returns:" documentation as well, fixing a wrong
use of CpuModelBaselineInfo vs. CpuModelCompareInfo for
query-cpu-model-comparison.

Cc: Markus Armbruster <armbru@redhat.com>
Cc: Eric Blake <eblake@redhat.com>
Cc: Eduardo Habkost <eduardo@habkost.net>
Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Cc: "Philippe Mathieu-Daudé" <philmd@linaro.org>
Cc: Yanan Wang <wangyanan55@huawei.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-ID: <20240325150141.342720-1-david@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Punctuation tweaked]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2024-03-26 06:36:08 +01:00
Vladimir Sementsov-Ogievskiy
125f973cc2 qapi/block-core: improve Qcow2OverlapCheckFlags documentation
Most of fields have no description at all. Let's fix that. Still, no
reason to place here more detailed descriptions of what these
structures are, as we have public Qcow2 format specification.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Message-ID: <20240325120054.2693236-1-vsementsov@yandex-team.ru>
Acked-by: Markus Armbruster <armbru@redhat.com>
[Capitalize "QEMU", update qapi/pragma.json]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2024-03-26 06:36:08 +01:00
Paolo Bonzini
1de759534d qapi: document leftover members in qapi/stats.json
Suggested-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <20240325104504.1358734-1-pbonzini@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Update qapi/pragma.json]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2024-03-26 06:36:08 +01:00
Paolo Bonzini
b2913cc2a1 qapi: document leftover members in qapi/run-state.json
Suggested-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <20240325104502.1358693-1-pbonzini@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Capitalize "ID", update qapi/pragma.json]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2024-03-26 06:36:08 +01:00
Marc-André Lureau
6087783ea7 qapi: document InputMultiTouchType
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-ID: <20240325095648.2835381-1-marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Update qapi/pragma.json]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2024-03-26 06:36:08 +01:00
Markus Armbruster
5305a4eeb8 qapi: Correct documentation indentation and whitespace
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240322140910.328840-12-armbru@redhat.com>
[Add a previous patch's stray hunk]
2024-03-26 06:36:08 +01:00
Markus Armbruster
209e64d9ed qapi: Refill doc comments to conform to current conventions
For legibility, wrap text paragraphs so every line is at most 70
characters long.

To check the generated documentation does not change, I compared the
generated HTML before and after this commit with "wdiff -3".  Finds no
differences.  Comparing with diff is not useful, as the refilled
paragraphs are visible there.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240322140910.328840-11-armbru@redhat.com>
2024-03-26 06:36:08 +01:00
Markus Armbruster
1e6b0505c4 qapi: Don't repeat member type in its documentation text
Documentation generated for the arguments of MEMORY_FAILURE looks like

    "recipient": "MemoryFailureRecipient"
       recipient is defined as "MemoryFailureRecipient".

    "action": "MemoryFailureAction"
       action that has been taken.  action is defined as
       "MemoryFailureAction".

    "flags": "MemoryFailureFlags"
       flags for MemoryFailureAction.  action is defined as
       "MemoryFailureFlags".

The "action is defined as ..." are redundant.  Drop.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240322140910.328840-10-armbru@redhat.com>
2024-03-26 06:36:08 +01:00
Markus Armbruster
73c67f3851 qapi: Start sentences with a capital letter, end them with a period
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240322140910.328840-9-armbru@redhat.com>
2024-03-26 06:36:08 +01:00
Markus Armbruster
7d08424cf7 qapi: Fix abbreviation punctuation in doc comments
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240322140910.328840-8-armbru@redhat.com>
2024-03-26 06:36:08 +01:00
Markus Armbruster
8698e1447f qapi: Fix typo in request-ebpf documentation
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240322140910.328840-7-armbru@redhat.com>
2024-03-26 06:36:08 +01:00
Markus Armbruster
aa03e16383 qapi: Fix argument markup in drive-mirror documentation
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240322140910.328840-6-armbru@redhat.com>
2024-03-26 06:36:08 +01:00
Markus Armbruster
7d50757c65 qapi: Tidy up indentation of add_client's example
Commit d23055b8db (qapi: Require descriptions and tagged sections to
be indented) indented add_client's example too much.  Revert that.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240322140910.328840-5-armbru@redhat.com>
[Move a stray hunk to the later patch it belongs to]
2024-03-26 06:36:08 +01:00
Markus Armbruster
b5e29402f1 qapi: Tidy up block-latency-histogram-set documentation some more
Commit a937b6aa73 (qapi: Reformat doc comments to conform to current
conventions) reflowed some text that should have been left alone.
Revert that.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240322140910.328840-4-armbru@redhat.com>
2024-03-26 06:36:08 +01:00
Markus Armbruster
f972ed5925 qapi: Expand a few awkward abbreviations in documentation
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240322140910.328840-3-armbru@redhat.com>
2024-03-26 06:36:08 +01:00
Markus Armbruster
c15fbc66e2 qapi: Drop stray Arguments: line from qmp_capabilities docs
Reported-by: John Snow <jsnow@redhat.com>
Fixes: 119ebac1fe (qapi-schema: use generated marshaller for 'qmp_capabilities')
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240322140910.328840-2-armbru@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
2024-03-26 06:36:08 +01:00
Markus Armbruster
e6c60bf02d qapi: Fix bogus documentation of query-migrationthreads
The doc comment documents an argument that doesn't exist.  Would
fail compilation if it was marked up correctly.  Delete.

The Returns: section fails to refer to the data type, leaving the user
to guess.  Fix that.

The command name violates QAPI naming rules: it should be
query-migration-threads.  Too late to fix.

Reported-by: John Snow <jsnow@redhat.com>
Fixes: 671326201d (migration: Introduce interface query-migrationthreads)
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240322135117.195489-4-armbru@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
2024-03-26 06:36:08 +01:00
Markus Armbruster
8eb0a257c5 qapi: Resync MigrationParameter and MigrateSetParameters
Enum MigrationParameter mirrors the members of struct
MigrateSetParameters.  Differences to MigrateSetParameters's member
documentation are pointless.  Clean them up:

* @compress-level, @compress-threads, @decompress-threads, and
  x-checkpoint-delay are more thoroughly documented for
  MigrationParameter, so use that version for both.

* @max-cpu-throttle is almost the same.  Use MigrationParameter's
  version for both.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240322135117.195489-3-armbru@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Peter Xu <peterx@redhat.com>
2024-03-26 06:36:08 +01:00
Markus Armbruster
e8c5503a5c qapi: Improve migration TLS documentation
MigrateSetParameters is about setting parameters, and
MigrationParameters is about querying them.  Their documentation of
@tls-creds and @tls-hostname has residual damage from a failed attempt
at de-duplicating them (see commit de63ab6124 "migrate: Share common
MigrationParameters struct" and commit 1bda8b3c69 "migration: Unshare
MigrationParameters struct for now").

MigrateSetParameters documentation issues:

* It claims plain text mode "was reported by omitting tls-creds"
  before 2.9.  MigrateSetParameters is not used for reporting, so this
  is misleading.  Delete.

* It similarly claims hostname defaulting to migration URI "was
  reported by omitting tls-hostname" before 2.9.  Delete as well.

Rephrase the remaining @tls-hostname contents for clarity.

Enum MigrationParameter mirrors the members of struct
MigrateSetParameters.  Differences to MigrateSetParameters's member
documentation are pointless.  Copy the new text to MigrationParameter.

MigrationParameters documentation issues:

* @tls-creds runs the two last sentences together without punctuation.
  Fix that.

* Much of the contents on @tls-hostname only applies to setting
  parameters, resulting in confusion.  Replace by a suitable abridged
  version of the new MigrateSetParameters text, and a note on
  @tls-hostname omission in 2.8.

Additional damage is due to flawed doc fix commit
66fcb9d651 (qapi/migration: Add missing tls-authz documentation):
since it copied the missing MigrateSetParameters text from
MigrationParameters instead of MigrationParameter, the part on
recreating @tls-authz on the fly is missing.  Copy that, too.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240322135117.195489-2-armbru@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
[Some typos corrected]
2024-03-26 06:36:08 +01:00
Igor Mammedov
4901b80e13 smbios: extend smbios-entry-point-type with 'auto' value
later patches will use it to pick SMBIOS version at runtime
depending on configuration.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Ani Sinha <anisinha@redhat.com>
Tested-by: Fiona Ebner <f.ebner@proxmox.com>
Message-Id: <20240314152302.2324164-16-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2024-03-18 08:42:46 -04:00
Michael S. Tsirkin
1bdef7a629 qapi: document PCIe Gen5/Gen6 speeds since 9.0
Document that PCIe Gen5/Gen6 speeds are only in QAPI
since 9.0 - the rest is since 4.0.

Cc: Lukas Stockner <lstockner@genesiscloud.com>
Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Fixes: c08da86dc4 ("pcie: Support PCIe Gen5/Gen6 link speeds")
Suggested-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-03-18 04:57:45 -04:00
Peter Maydell
6fc6931231 virtio,pc,pci: features, cleanups, fixes
more memslots support in libvhost-user
 support PCIe Gen5/Gen6 link speeds in pcie
 more traces in vdpa
 network simulation devices support in vdpa
 SMBIOS type 9 descriptor implementation
 Bump max_cpus to 4096 vcpus in q35
 aw-bits and granule options in VIRTIO-IOMMU
 Support report NUMA nodes for device memory using GI in acpi
 Beginning of shutdown event support in pvpanic
 
 fixes, cleanups all over the place.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging

virtio,pc,pci: features, cleanups, fixes

more memslots support in libvhost-user
support PCIe Gen5/Gen6 link speeds in pcie
more traces in vdpa
network simulation devices support in vdpa
SMBIOS type 9 descriptor implementation
Bump max_cpus to 4096 vcpus in q35
aw-bits and granule options in VIRTIO-IOMMU
Support report NUMA nodes for device memory using GI in acpi
Beginning of shutdown event support in pvpanic

fixes, cleanups all over the place.

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

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# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
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* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (68 commits)
  docs/specs/pvpanic: document shutdown event
  hw/cxl: Fix missing reserved data in CXL Device DVSEC
  hmat acpi: Fix out of bounds access due to missing use of indirection
  hmat acpi: Do not add Memory Proximity Domain Attributes Structure targetting non existent memory.
  qemu-options.hx: Document the virtio-iommu-pci aw-bits option
  hw/arm/virt: Set virtio-iommu aw-bits default value to 48
  hw/i386/q35: Set virtio-iommu aw-bits default value to 39
  virtio-iommu: Add an option to define the input range width
  virtio-iommu: Trace domain range limits as unsigned int
  qemu-options.hx: Document the virtio-iommu-pci granule option
  virtio-iommu: Change the default granule to the host page size
  virtio-iommu: Add a granule property
  hw/i386/acpi-build: Add support for SRAT Generic Initiator structures
  hw/acpi: Implement the SRAT GI affinity structure
  qom: new object to associate device to NUMA node
  hw/i386/pc: Inline pc_cmos_init() into pc_cmos_init_late() and remove it
  hw/i386/pc: Set "normal" boot device order in pc_basic_device_init()
  hw/i386/pc: Avoid one use of the current_machine global
  hw/i386/pc: Remove "rtc_state" link again
  Revert "hw/i386/pc: Confine system flash handling to pc_sysfw"
  ...

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

# Conflicts:
#	hw/core/machine.c
2024-03-13 15:11:53 +00:00