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Cindy Lu [Wed, 10 May 2023 05:46:31 +0000 (13:46 +0800)]
vhost-vdpa: Add support for vIOMMU.
1. The vIOMMU support will make vDPA can work in IOMMU mode. This
will fix security issues while using the no-IOMMU mode.
To support this feature we need to add new functions for IOMMU MR adds and
deletes.
Also since the SVQ does not support vIOMMU yet, add the check for IOMMU
in vhost_vdpa_dev_start, if the SVQ and IOMMU enable at the same time
the function will return fail.
2. Skip the iova_max check vhost_vdpa_listener_skipped_section(). While
MR is IOMMU, move this check to vhost_vdpa_iommu_map_notify()
Verified in vp_vdpa and vdpa_sim_net driver
Signed-off-by: Cindy Lu <lulu@redhat.com>
Message-Id: <
20230510054631.
2951812-5-lulu@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Cindy Lu [Wed, 10 May 2023 05:46:30 +0000 (13:46 +0800)]
vhost-vdpa: Add check for full 64-bit in region delete
The unmap ioctl doesn't accept a full 64-bit span. So need to
add check for the section's size in vhost_vdpa_listener_region_del().
Signed-off-by: Cindy Lu <lulu@redhat.com>
Message-Id: <
20230510054631.
2951812-4-lulu@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Cindy Lu [Wed, 10 May 2023 05:46:29 +0000 (13:46 +0800)]
vhost_vdpa: fix the input in trace_vhost_vdpa_listener_region_del()
In trace_vhost_vdpa_listener_region_del, the value for llend
should change to int128_get64(int128_sub(llend, int128_one()))
Signed-off-by: Cindy Lu <lulu@redhat.com>
Message-Id: <
20230510054631.
2951812-3-lulu@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Cindy Lu [Wed, 10 May 2023 05:46:28 +0000 (13:46 +0800)]
vhost: expose function vhost_dev_has_iommu()
To support vIOMMU in vdpa, need to exposed the function
vhost_dev_has_iommu, vdpa will use this function to check
if vIOMMU enable.
Signed-off-by: Cindy Lu <lulu@redhat.com>
Message-Id: <
20230510054631.
2951812-2-lulu@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Mauro Matteo Cascella [Tue, 9 May 2023 07:53:17 +0000 (09:53 +0200)]
virtio-crypto: fix NULL pointer dereference in virtio_crypto_free_request
Ensure op_info is not NULL in case of QCRYPTODEV_BACKEND_ALG_SYM algtype.
Fixes:
0e660a6f90a ("crypto: Introduce RSA algorithm")
Signed-off-by: Mauro Matteo Cascella <mcascell@redhat.com>
Reported-by: Yiming Tao <taoym@zju.edu.cn>
Message-Id: <
20230509075317.
1132301-1-mcascell@redhat.com>
Reviewed-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: zhenwei pi<pizhenwei@bytedance.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Eugenio Pérez [Thu, 4 May 2023 10:14:47 +0000 (12:14 +0200)]
virtio-net: not enable vq reset feature unconditionally
The commit
93a97dc5200a ("virtio-net: enable vq reset feature") enables
unconditionally vq reset feature as long as the device is emulated.
This makes impossible to actually disable the feature, and it causes
migration problems from qemu version previous than 7.2.
The entire final commit is unneeded as device system already enable or
disable the feature properly.
This reverts commit
93a97dc5200a95e63b99cb625f20b7ae802ba413.
Fixes:
93a97dc5200a ("virtio-net: enable vq reset feature")
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Message-Id: <
20230504101447.389398-1-eperezma@redhat.com>
Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
David Hildenbrand [Wed, 3 May 2023 18:41:44 +0000 (20:41 +0200)]
vhost-user: Remove acpi-specific memslot limit
Let's just support 512 memslots on x86-64 and aarch64 as well. The maximum
number of ACPI slots (256) is no longer completely expressive ever since
we supported virtio-based memory devices. Further, we're completely
ignoring other memslots used outside of memory device context, such as
memslots used for boot memory.
Note that the vhost memslot limit in the kernel is usually configured to
be 509. With this change, we prepare vhost-user on the QEMU side to be
closer to that limit, to eventually support ~512 memslots in most vhost
implementations and have less "surprises" when cold/hotplugging vhost
devices while also consuming more memslots than we're currently used to
by memory devices (e.g., once virtio-mem starts using multiple memslots).
Note that most vhost-user implementations only support a small number of
memslots so far, which we can hopefully improve in the near future.
We'll leave the PPC special-case as is for now.
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <
20230503184144.808478-1-david@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
David Hildenbrand [Wed, 3 May 2023 18:23:52 +0000 (20:23 +0200)]
virtio-mem: Default to "unplugged-inaccessible=on" with 8.1 on x86-64
Allowing guests to read unplugged memory simplified the bring-up of
virtio-mem in Linux guests -- which was limited to x86-64 only. On arm64
(which was added later), we never had legacy guests and don't even allow
to configure it, essentially always having "unplugged-inaccessible=on".
At this point, all guests we care about
should be supporting VIRTIO_MEM_F_UNPLUGGED_INACCESSIBLE, so let's
change the default for the 8.1 machine.
This change implies that also memory that supports the shared zeropage
(private anonymous memory) will now require
VIRTIO_MEM_F_UNPLUGGED_INACCESSIBLE in the driver in order to be usable by
the guest -- as default, one can still manually set the
unplugged-inaccessible property.
Disallowing the guest to read unplugged memory will be important for
some future features, such as memslot optimizations or protection of
unplugged memory, whereby we'll actually no longer allow the guest to
even read from unplugged memory.
At some point, we might want to deprecate and remove that property.
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Richard Henderson <richard.henderson@linaro.org>
Cc: Eduardo Habkost <eduardo@habkost.net>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <
20230503182352.792458-1-david@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Leonardo Bras [Wed, 3 May 2023 00:27:02 +0000 (21:27 -0300)]
hw/pci: Disable PCI_ERR_UNCOR_MASK register for machine type < 8.0
Since it's implementation on v8.0.0-rc0, having the PCI_ERR_UNCOR_MASK
set for machine types < 8.0 will cause migration to fail if the target
QEMU version is < 8.0.0 :
qemu-system-x86_64: get_pci_config_device: Bad config data: i=0x10a read: 40 device: 0 cmask: ff wmask: 0 w1cmask:0
qemu-system-x86_64: Failed to load PCIDevice:config
qemu-system-x86_64: Failed to load e1000e:parent_obj
qemu-system-x86_64: error while loading state for instance 0x0 of device '0000:00:02.0/e1000e'
qemu-system-x86_64: load of migration failed: Invalid argument
The above test migrated a 7.2 machine type from QEMU master to QEMU 7.2.0,
with this cmdline:
./qemu-system-x86_64 -M pc-q35-7.2 [-incoming XXX]
In order to fix this, property x-pcie-err-unc-mask was introduced to
control when PCI_ERR_UNCOR_MASK is enabled. This property is enabled by
default, but is disabled if machine type <= 7.2.
Fixes:
010746ae1d ("hw/pci/aer: Implement PCI_ERR_UNCOR_MASK register")
Suggested-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Leonardo Bras <leobras@redhat.com>
Message-Id: <
20230503002701.854329-1-leobras@redhat.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Fixes: https://gitlab.com/qemu-project/qemu/-/issues/1576
Tested-by: Fiona Ebner <f.ebner@proxmox.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Stefan Hajnoczi [Mon, 1 May 2023 23:04:09 +0000 (19:04 -0400)]
vhost-user: send SET_STATUS 0 after GET_VRING_BASE
Setting the VIRTIO Device Status Field to 0 resets the device. The
device's state is lost, including the vring configuration.
vhost-user.c currently sends SET_STATUS 0 before GET_VRING_BASE. This
risks confusion about the lifetime of the vhost-user state (e.g. vring
last_avail_idx) across VIRTIO device reset.
Eugenio Pérez <eperezma@redhat.com> adjusted the order for vhost-vdpa.c
in commit
c3716f260bff ("vdpa: move vhost reset after get vring base")
and in that commit description suggested doing the same for vhost-user
in the future.
Go ahead and adjust vhost-user.c now. I ran various online code searches
to identify vhost-user backends implementing SET_STATUS. It seems only
DPDK implements SET_STATUS and Yajun Wu <yajunw@nvidia.com> has
confirmed that it is safe to make this change.
Fixes: commit
923b8921d210763359e96246a58658ac0db6c645 ("vhost-user: Support vhost_dev_start")
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Cindy Lu <lulu@redhat.com>
Cc: Yajun Wu <yajunw@nvidia.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <
20230501230409.274178-1-stefanha@redhat.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Reviewed-by: Yajun Wu <yajunw@nvidia.com>
Acked-by: Eugenio Pérez <eperezma@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Vladimir Sementsov-Ogievskiy [Mon, 15 May 2023 12:52:28 +0000 (15:52 +0300)]
pci: pci_add_option_rom(): refactor: use g_autofree for path variable
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-Id: <
20230515125229.44836-3-vsementsov@yandex-team.ru>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Vladimir Sementsov-Ogievskiy [Mon, 15 May 2023 12:52:27 +0000 (15:52 +0300)]
pci: pci_add_option_rom(): improve style
Fix over-80 lines and missing curly brackets for if-operators, which
are required by QEMU coding style.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-Id: <
20230515125229.44836-2-vsementsov@yandex-team.ru>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Eric DeVolder [Wed, 17 May 2023 16:25:45 +0000 (12:25 -0400)]
ACPI: bios-tables-test.c step 5 (update expected table binaries)
Following the guidelines in tests/qtest/bios-tables-test.c, this
is step 5 and 6.
An examination of all the files impacted (as listed in
bios-tables-test-allowe-diff.h) shows only the MADT/APIC tables
bumping revision from 1 to 3, and a corresponding change to
the checksum. The below diff is typical:
--- /tmp/asl-1F9641.dsl 2023-05-16 15:18:31.
292579156 -0400
+++ /tmp/asl-GVD741.dsl 2023-05-16 15:18:31.
291579149 -0400
@@ -1,32 +1,32 @@
/*
* Intel ACPI Component Architecture
* AML/ASL+ Disassembler version
20230331 (64-bit version)
* Copyright (c) 2000 - 2023 Intel Corporation
*
- * Disassembly of tests/data/acpi/pc/APIC, Tue May 16 15:18:31 2023
+ * Disassembly of /tmp/aml-R4D741, Tue May 16 15:18:31 2023
*
* ACPI Data Table [APIC]
*
* Format: [HexOffset DecimalOffset ByteLength] FieldName : FieldValue (in hex)
*/
[000h 0000 004h] Signature : "APIC" [Multiple APIC Description Table (MADT)]
[004h 0004 004h] Table Length :
00000078
-[008h 0008 001h] Revision : 01
-[009h 0009 001h] Checksum : 8A
+[008h 0008 001h] Revision : 03
+[009h 0009 001h] Checksum : 88
[00Ah 0010 006h] Oem ID : "BOCHS "
[010h 0016 008h] Oem Table ID : "BXPC "
[018h 0024 004h] Oem Revision :
00000001
[01Ch 0028 004h] Asl Compiler ID : "BXPC"
[020h 0032 004h] Asl Compiler Revision :
00000001
[024h 0036 004h] Local Apic Address :
FEE00000
[028h 0040 004h] Flags (decoded below) :
00000001
PC-AT Compatibility : 1
[02Ch 0044 001h] Subtable Type : 00 [Processor Local APIC]
[02Dh 0045 001h] Length : 08
[02Eh 0046 001h] Processor ID : 00
[02Fh 0047 001h] Local Apic ID : 00
[030h 0048 004h] Flags (decoded below) :
00000001
Processor Enabled : 1
@@ -81,24 +81,24 @@
[06Bh 0107 001h] Source : 0B
[06Ch 0108 004h] Interrupt :
0000000B
[070h 0112 002h] Flags (decoded below) : 000D
Polarity : 1
Trigger Mode : 3
[072h 0114 001h] Subtable Type : 04 [Local APIC NMI]
[073h 0115 001h] Length : 06
[074h 0116 001h] Processor ID : FF
[075h 0117 002h] Flags (decoded below) : 0000
Polarity : 0
Trigger Mode : 0
[077h 0119 001h] Interrupt Input LINT : 01
Raw Table Data: Length 120 (0x78)
- 0000: 41 50 49 43 78 00 00 00 01 8A 42 4F 43 48 53 20 // APICx.....BOCHS
+ 0000: 41 50 49 43 78 00 00 00 03 88 42 4F 43 48 53 20 // APICx.....BOCHS
0010: 42 58 50 43 20 20 20 20 01 00 00 00 42 58 50 43 // BXPC ....BXPC
0020: 01 00 00 00 00 00 E0 FE 01 00 00 00 00 08 00 00 // ................
0030: 01 00 00 00 01 0C 00 00 00 00 C0 FE 00 00 00 00 // ................
0040: 02 0A 00 00 02 00 00 00 00 00 02 0A 00 05 05 00 // ................
0050: 00 00 0D 00 02 0A 00 09 09 00 00 00 0D 00 02 0A // ................
0060: 00 0A 0A 00 00 00 0D 00 02 0A 00 0B 0B 00 00 00 // ................
0070: 0D 00 04 06 FF 00 00 01 // ........
Signed-off-by: Eric DeVolder <eric.devolder@oracle.com>
Message-Id: <
20230517162545.2191-4-eric.devolder@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Ani Sinha <anisinha@redhat.com>
Eric DeVolder [Wed, 17 May 2023 16:25:44 +0000 (12:25 -0400)]
ACPI: i386: bump to MADT to revision 3
Currently i386 QEMU generates MADT revision 3, and reports
MADT revision 1. Set .revision to 3 to match reality.
Link: https://lore.kernel.org/linux-acpi/20230327191026.3454-1-eric.devolder@ora
cle.com/T/#t
Signed-off-by: Eric DeVolder <eric.devolder@oracle.com>
Reviewed-by: Ani Sinha <anisinha@redhat.com>
Message-Id: <
20230517162545.2191-3-eric.devolder@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Eric DeVolder [Wed, 17 May 2023 16:25:43 +0000 (12:25 -0400)]
ACPI: bios-tables-test.c step 2 (allowed-diff entries)
Following the guidelines in tests/qtest/bios-tables-test.c,
set up bios-tables-test-allowed-diff.h to ignore the
imminent changes to the APIC tables, per step 2.
Signed-off-by: Eric DeVolder <eric.devolder@oracle.com>
Message-Id: <
20230517162545.2191-2-eric.devolder@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Ani Sinha <ani@anisinha.ca>
Gregory Price [Fri, 21 Apr 2023 16:08:27 +0000 (17:08 +0100)]
hw/cxl: Multi-Region CXL Type-3 Devices (Volatile and Persistent)
This commit enables each CXL Type-3 device to contain one volatile
memory region and one persistent region.
Two new properties have been added to cxl-type3 device initialization:
[volatile-memdev] and [persistent-memdev]
The existing [memdev] property has been deprecated and will default the
memory region to a persistent memory region (although a user may assign
the region to a ram or file backed region). It cannot be used in
combination with the new [persistent-memdev] property.
Partitioning volatile memory from persistent memory is not yet supported.
Volatile memory is mapped at DPA(0x0), while Persistent memory is mapped
at DPA(vmem->size), per CXL Spec 8.2.9.8.2.0 - Get Partition Info.
Signed-off-by: Gregory Price <gregory.price@memverge.com>
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Reviewed-by: Fan Ni <fan.ni@samsung.com>
Tested-by: Fan Ni <fan.ni@samsung.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <
20230421160827.2227-4-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Jonathan Cameron [Fri, 21 Apr 2023 16:08:26 +0000 (17:08 +0100)]
hw/mem: Use memory_region_size() in cxl_type3
Accessors prefered over direct use of int128_get64() as they
clamp out of range values. None are expected here but
cleaner to always use the accessor than mix and match.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <
20230421160827.2227-3-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Gregory Price <gregory.price@memverge.com>
Gregory Price [Fri, 21 Apr 2023 16:08:25 +0000 (17:08 +0100)]
tests/qtest/cxl-test: whitespace, line ending cleanup
Defines are starting to exceed line length limits, align them for
cleanliness before making modifications.
Signed-off-by: Gregory Price <gregory.price@memverge.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <
20230421160827.2227-2-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Jonathan Cameron [Fri, 21 Apr 2023 13:59:06 +0000 (14:59 +0100)]
hw/cxl: Fix incorrect reset of commit and associated clearing of committed.
The hardware clearing the commit bit is not spec compliant.
Clearing of committed bit when commit is cleared is not specifically
stated in the CXL spec, but is the expected (and simplest) permitted
behaviour so use that for QEMU emulation.
Reviewed-by: Fan Ni <fan.ni@samsung.com>
Tested-by: Fan Ni <fan.ni@samsung.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
--
v2: Picked up tags.
Message-Id: <
20230421135906.3515-4-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Jonathan Cameron [Fri, 21 Apr 2023 13:59:05 +0000 (14:59 +0100)]
hw/cxl: Fix endian handling for decoder commit.
Not a real problem yet as all supported architectures are
little endian, but continue to tidy these up when touching
code for other reasons.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <
20230421135906.3515-3-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Jonathan Cameron [Fri, 21 Apr 2023 13:59:04 +0000 (14:59 +0100)]
hw/cxl: drop pointless memory_region_transaction_guards
Not clear what intent was here, but probably based on a misunderstanding
of what these guards are for.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <
20230421135906.3515-2-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Raghu H [Fri, 21 Apr 2023 13:45:07 +0000 (14:45 +0100)]
docs/cxl: Replace unsupported AARCH64 with x86_64
Currently Qemu CXL emulation support is not availabe on AARCH64 but its
available with qemu x86_64 architecture, updating the document to reflect
the supported platform.
Signed-off-by: Raghu H <raghuhack78@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <
20230421134507.26842-4-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Raghu H [Fri, 21 Apr 2023 13:45:06 +0000 (14:45 +0100)]
docs/cxl: Remove incorrect CXL type 3 size parameter
cxl-type3 memory size is read directly from the provided memory backed end
device. Remove non existent size option
Signed-off-by: Raghu H <raghuhack78@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <
20230421134507.26842-3-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Brice Goglin [Fri, 21 Apr 2023 13:45:05 +0000 (14:45 +0100)]
docs/cxl: fix some typos
Signed-off-by: Brice Goglin <Brice.Goglin@inria.fr>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <
20230421134507.26842-2-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Jonathan Cameron [Fri, 21 Apr 2023 13:20:20 +0000 (14:20 +0100)]
hw/cxl: cdat: Fix failure to free buffer in erorr paths
The failure paths in CDAT file loading did not clear up properly.
Change to using g_auto_free and a local pointer for the buffer to
ensure this function has no side effects on error.
Also drop some unnecessary checks that can not fail.
Cleanup properly after a failure to load a CDAT file.
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <
20230421132020.7408-3-Jonathan.Cameron@huawei.com>
Reviewed-by: Fan Ni <fan.ni@samsung.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Hao Zeng [Fri, 21 Apr 2023 13:20:19 +0000 (14:20 +0100)]
hw/cxl: cdat: Fix open file not closed in ct3_load_cdat()
Open file descriptor not closed in error paths. Fix by replace
open coded handling of read of whole file into a buffer with
g_file_get_contents()
Fixes:
aba578bdac ("hw/cxl: CDAT Data Object Exchange implementation")
Signed-off-by: Zeng Hao <zenghao@kylinos.cn>
Suggested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Suggested-by: Jonathan Cameron via <qemu-devel@nongnu.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
--
Changes since v5:
- Drop if guard on g_free() as per checkpatch warning.
Message-Id: <
20230421132020.7408-2-Jonathan.Cameron@huawei.com>
Reviewed-by: Fan Ni <fan.ni@samsung.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Hawkins Jiawei [Tue, 9 May 2023 08:48:17 +0000 (16:48 +0800)]
vhost: fix possible wrap in SVQ descriptor ring
QEMU invokes vhost_svq_add() when adding a guest's element
into SVQ. In vhost_svq_add(), it uses vhost_svq_available_slots()
to check whether QEMU can add the element into SVQ. If there is
enough space, then QEMU combines some out descriptors and some
in descriptors into one descriptor chain, and adds it into
`svq->vring.desc` by vhost_svq_vring_write_descs().
Yet the problem is that, `svq->shadow_avail_idx - svq->shadow_used_idx`
in vhost_svq_available_slots() returns the number of occupied elements,
or the number of descriptor chains, instead of the number of occupied
descriptors, which may cause wrapping in SVQ descriptor ring.
Here is an example. In vhost_handle_guest_kick(), QEMU forwards
as many available buffers to device by virtqueue_pop() and
vhost_svq_add_element(). virtqueue_pop() returns a guest's element,
and then this element is added into SVQ by vhost_svq_add_element(),
a wrapper to vhost_svq_add(). If QEMU invokes virtqueue_pop() and
vhost_svq_add_element() `svq->vring.num` times,
vhost_svq_available_slots() thinks QEMU just ran out of slots and
everything should work fine. But in fact, virtqueue_pop() returns
`svq->vring.num` elements or descriptor chains, more than
`svq->vring.num` descriptors due to guest memory fragmentation,
and this causes wrapping in SVQ descriptor ring.
This bug is valid even before marking the descriptors used.
If the guest memory is fragmented, SVQ must add chains
so it can try to add more descriptors than possible.
This patch solves it by adding `num_free` field in
VhostShadowVirtqueue structure and updating this field
in vhost_svq_add() and vhost_svq_get_buf(), to record
the number of free descriptors.
Fixes:
100890f7ca ("vhost: Shadow virtqueue buffers forwarding")
Signed-off-by: Hawkins Jiawei <yin31149@gmail.com>
Acked-by: Eugenio Pérez <eperezma@redhat.com>
Message-Id: <
20230509084817.3973-1-yin31149@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Lei Yang <leiyang@redhat.com>
Richard Henderson [Thu, 18 May 2023 14:58:13 +0000 (07:58 -0700)]
accel/tcg: Fix append_mem_cb
In
fcdab382c8b9 we removed a tcg_gen_extu_tl_i64 from gen_empty_mem_cb,
and failed to adjust the associated copy, leading to a failed assert.
Fixes:
fcdab382c8b9 ("accel/tcg: Widen plugin_gen_empty_mem_callback to i64")
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <
20230518145813.
2940745-1-richard.henderson@linaro.org>
Richard Henderson [Thu, 18 May 2023 14:52:11 +0000 (07:52 -0700)]
Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging
* kvm: enable dirty ring for arm64
* target/i386: new features
* target/i386: AVX fixes
* configure: create a python venv unconditionally
* meson: bump to 0.63.0 and move tests from configure
* meson: Pass -j option to sphinx
* drop support for Python 3.6
* fix check-python-tox
* fix "make clean" in the source directory
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# gpg: Signature made Thu 18 May 2023 04:35:32 AM PDT
# gpg: using RSA key
F13338574B662389866C7682BFFBD25F78C7AE83
# gpg: issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [undefined]
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
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# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
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* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (68 commits)
docs/devel: update build system docs
configure: remove unnecessary check
configure: reorder option parsing code
configure: remove unnecessary mkdir
configure: do not rerun the tests with -Werror
configure: remove compiler sanity check
build: move --disable-debug-info to meson
build: move compiler version check to meson
build: move remaining compiler flag tests to meson
build: move warning flag selection to meson
build: move stack protector flag selection to meson
build: move coroutine backend selection to meson
build: move SafeStack tests to meson
build: move sanitizer tests to meson
meson: prepare move of QEMU_CFLAGS to meson
configure, meson: move --enable-modules to Meson
configure: remove pkg-config functions
build: move glib detection and workarounds to meson
meson: drop unnecessary declare_dependency()
meson: add more version numbers to the summary
...
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Thu, 18 May 2023 13:08:30 +0000 (06:08 -0700)]
Merge tag 'pull-target-arm-
20230518' of https://git.linaro.org/people/pmaydell/qemu-arm into staging
target-arm queue:
* Fix vd == vm overlap in sve_ldff1_z
* Add support for MTE with KVM guests
* Add RAZ/WI handling for DBGDTR[TX|RX]
* Start of conversion of A64 decoder to decodetree
* Saturate L2CTLR_EL1 core count field rather than overflowing
* vexpress: Avoid trivial memory leak of 'flashalias'
* sbsa-ref: switch default cpu core to Neoverse-N1
* sbsa-ref: use Bochs graphics card instead of VGA
* MAINTAINERS: Add Marcin Juszkiewicz to sbsa-ref reviewer list
* docs: Convert u2f.txt to rST
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# gpg: Signature made Thu 18 May 2023 05:49:55 AM PDT
# gpg: using RSA key
E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [full]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [full]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [full]
* tag 'pull-target-arm-
20230518' of https://git.linaro.org/people/pmaydell/qemu-arm: (29 commits)
docs: Convert u2f.txt to rST
hw/arm/vexpress: Avoid trivial memory leak of 'flashalias'
target/arm: Saturate L2CTLR_EL1 core count field rather than overflowing
target/arm: Convert ERET, ERETAA, ERETAB to decodetree
target/arm: Convert BRAA, BRAB, BLRAA, BLRAB to decodetree
target/arm: Convert BRA[AB]Z, BLR[AB]Z, RETA[AB] to decodetree
target/arm: Convert BR, BLR, RET to decodetree
target/arm: Convert conditional branch insns to decodetree
target/arm: Convert TBZ, TBNZ to decodetree
target/arm: Convert CBZ, CBNZ to decodetree
target/arm: Convert unconditional branch immediate to decodetree
target/arm: Convert Extract instructions to decodetree
target/arm: Convert Bitfield to decodetree
target/arm: Convert Move wide (immediate) to decodetree
target/arm: Convert Logical (immediate) to decodetree
target/arm: Replace bitmask64 with MAKE_64BIT_MASK
target/arm: Convert Add/subtract (immediate with tags) to decodetree
target/arm: Convert Add/subtract (immediate) to decodetree
target/arm: Split gen_add_CC and gen_sub_CC
target/arm: Convert PC-rel addressing to decodetree
...
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Paolo Bonzini [Tue, 18 Oct 2022 07:56:43 +0000 (09:56 +0200)]
docs/devel: update build system docs
configure is only doing compiler and host setup now, so adjust the
relevant documentation. It is also possible to build emulators with
ninja directly if one is so inclined, so mention that as well.
The Python virtual environment set up is a new major task of configure
as well. Mention it in the list of produced files, while leaving it
for a future patch to document how it works and how ``mkvenv ensure``
is used.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Thu, 11 May 2023 08:04:06 +0000 (10:04 +0200)]
configure: remove unnecessary check
All calls to probe_target_compiler are conditioned on
some "have_target" invocation, or inside a loop on target_list.
Therefore there is no issue with building unnecessary
firmware images and tests.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Thu, 11 May 2023 07:34:13 +0000 (09:34 +0200)]
configure: reorder option parsing code
Move some variable assignments around for clarity and to remove
one of three loops on the command line arguments.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Thu, 11 May 2023 07:44:18 +0000 (09:44 +0200)]
configure: remove unnecessary mkdir
It is taken care of by the symlink shell function.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Tue, 18 Oct 2022 07:38:44 +0000 (09:38 +0200)]
configure: do not rerun the tests with -Werror
Tests run in configure are pretty trivial at this point, so
do not bother with the extra complication of running tests
both with and without -Werror.
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Thu, 11 May 2023 07:16:59 +0000 (09:16 +0200)]
configure: remove compiler sanity check
The comment is not correct anymore, in that the usability test for
the compiler and linker are done after probing $cpu, and Meson will
redo them anyway.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Thu, 11 May 2023 07:38:53 +0000 (09:38 +0200)]
build: move --disable-debug-info to meson
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Thu, 20 Oct 2022 12:34:27 +0000 (14:34 +0200)]
build: move compiler version check to meson
Use the slighly nicer .version_compare() function for GCC; for Clang that is
not possible due to the mess that Apple does with version numbers.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Thu, 20 Oct 2022 12:20:30 +0000 (14:20 +0200)]
build: move remaining compiler flag tests to meson
Remove the only remaining uses of QEMU_CFLAGS. Now that no
feature tests are done in configure, it is possible to remove
CONFIGURE_CFLAGS and CONFIGURE_LDFLAGS as well.
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Thu, 22 Dec 2022 08:28:56 +0000 (09:28 +0100)]
build: move warning flag selection to meson
Meson already knows to test with the positive form of the flag, which
simplifies the test. Warnings are now tested explicitly for the C++
compiler, instead of hardcoding those that are only available for
the C language.
At this point all compiler flags in QEMU_CFLAGS are global and only
depend on the OS. No feature tests are performed in configure.
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Peter Maydell [Fri, 21 Apr 2023 16:37:34 +0000 (17:37 +0100)]
docs: Convert u2f.txt to rST
Convert the u2f.txt file to rST, and place it in the right place
in our manual layout. The old text didn't fit very well into our
manual style, so the new version ends up looking like a rewrite,
although some of the original text is preserved:
* the 'building' section of the old file is removed, since we
generally assume that users have already built QEMU
* some rather verbose text has been cut back
* document the passthrough device first, on the assumption
that's most likely to be of interest to users
* cut back on the duplication of text between sections
* format example command lines etc with rST
As it's a short document it seemed simplest to do this all
in one go rather than try to do a minimal syntactic conversion
and then clean up the wording and layout.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-id:
20230421163734.
1152076-1-peter.maydell@linaro.org
Peter Maydell [Fri, 12 May 2023 17:02:23 +0000 (18:02 +0100)]
hw/arm/vexpress: Avoid trivial memory leak of 'flashalias'
In the vexpress board code, we allocate a new MemoryRegion at the top
of vexpress_common_init() but only set it up and use it inside the
"if (map[VE_NORFLASHALIAS] != -1)" conditional, so we leak it if not.
This isn't a very interesting leak as it's a tiny amount of memory
once at startup, but it's easy to fix.
We could silence Coverity simply by moving the g_new() into the
if() block, but this use of g_new(MemoryRegion, 1) is a legacy from
when this board model was originally written; we wouldn't do that
if we wrote it today. The MemoryRegions are conceptually a part of
the board and must not go away until the whole board is done with
(at the end of the simulation), so they belong in its state struct.
This machine already has a VexpressMachineState struct that extends
MachineState, so statically put the MemoryRegions in there instead of
dynamically allocating them separately at runtime.
Spotted by Coverity (CID
1509083).
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id:
20230512170223.
3801643-3-peter.maydell@linaro.org
Peter Maydell [Fri, 12 May 2023 17:02:22 +0000 (18:02 +0100)]
target/arm: Saturate L2CTLR_EL1 core count field rather than overflowing
The IMPDEF sysreg L2CTLR_EL1 found on the Cortex-A35, A53, A57, A72
and which we (arguably dubiously) also provide in '-cpu max' has a
2 bit field for the number of processors in the cluster. On real
hardware this must be sufficient because it can only be configured
with up to 4 CPUs in the cluster. However on QEMU if the board code
does not explicitly configure the code into clusters with the right
CPU count we default to "give the value assuming that all CPUs in
the system are in a single cluster", which might be too big to fit
in the field.
Instead of just overflowing this 2-bit field, saturate to 3 (meaning
"4 CPUs", so at least we don't overwrite other fields in the register.
It's unlikely that any guest code really cares about the value in
this field; at least, if it does it probably also wants the system
to be more closely matching real hardware, i.e. not to have more
than 4 CPUs.
This issue has been present since the L2CTLR was first added in
commit
377a44ec8f2fac5b back in 2014. It was only noticed because
Coverity complains (CID
1509227) that the shift might overflow 32 bits
and inadvertently sign extend into the top half of the 64 bit value.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id:
20230512170223.
3801643-2-peter.maydell@linaro.org
Peter Maydell [Fri, 12 May 2023 14:41:06 +0000 (15:41 +0100)]
target/arm: Convert ERET, ERETAA, ERETAB to decodetree
Convert the exception-return insns ERET, ERETA and ERETB to
decodetree. These were the last insns left in the legacy
decoder function disas_uncond_reg_b(), which allows us to
remove it.
The old decoder explicitly decoded the DRPS instruction,
only in order to call unallocated_encoding() on it, exactly
as would have happened if it hadn't decoded it. This is
because this insn always UNDEFs unless the CPU is in
halting-debug state, which we don't emulate. So we list
the pattern in a comment in a64.decode, but don't actively
decode it.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id:
20230512144106.
3608981-21-peter.maydell@linaro.org
Peter Maydell [Fri, 12 May 2023 14:41:05 +0000 (15:41 +0100)]
target/arm: Convert BRAA, BRAB, BLRAA, BLRAB to decodetree
Convert the last four BR-with-pointer-auth insns to decodetree.
The remaining cases in the outer switch in disas_uncond_b_reg()
all return early rather than leaving the case statement, so we
can delete the now-unused code at the end of that function.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id:
20230512144106.
3608981-20-peter.maydell@linaro.org
Peter Maydell [Fri, 12 May 2023 14:41:04 +0000 (15:41 +0100)]
target/arm: Convert BRA[AB]Z, BLR[AB]Z, RETA[AB] to decodetree
Convert the single-register pointer-authentication variants of BR,
BLR, RET to decodetree. (BRAA/BLRAA are in a different branch of
the legacy decoder and will be dealt with in the next commit.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id:
20230512144106.
3608981-19-peter.maydell@linaro.org
Peter Maydell [Fri, 12 May 2023 14:41:03 +0000 (15:41 +0100)]
target/arm: Convert BR, BLR, RET to decodetree
Convert the simple (non-pointer-auth) BR, BLR and RET insns
to decodetree.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id:
20230512144106.
3608981-18-peter.maydell@linaro.org
Peter Maydell [Fri, 12 May 2023 14:41:02 +0000 (15:41 +0100)]
target/arm: Convert conditional branch insns to decodetree
Convert the immediate conditional branch insn B.cond to
decodetree.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id:
20230512144106.
3608981-17-peter.maydell@linaro.org
Peter Maydell [Fri, 12 May 2023 14:41:01 +0000 (15:41 +0100)]
target/arm: Convert TBZ, TBNZ to decodetree
Convert the test-and-branch-immediate insns TBZ and TBNZ
to decodetree.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id:
20230512144106.
3608981-16-peter.maydell@linaro.org
Peter Maydell [Fri, 12 May 2023 14:41:00 +0000 (15:41 +0100)]
target/arm: Convert CBZ, CBNZ to decodetree
Convert the compare-and-branch-immediate insns CBZ and CBNZ
to decodetree.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id:
20230512144106.
3608981-15-peter.maydell@linaro.org
Peter Maydell [Fri, 12 May 2023 14:40:59 +0000 (15:40 +0100)]
target/arm: Convert unconditional branch immediate to decodetree
Convert the unconditional branch immediate insns B and BL to
decodetree.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id:
20230512144106.
3608981-14-peter.maydell@linaro.org
Peter Maydell [Fri, 12 May 2023 14:40:58 +0000 (15:40 +0100)]
target/arm: Convert Extract instructions to decodetree
Convert the EXTR instruction to decodetree (this is the
only one in the 'Extract" class). This is the last of
the dp-immediate insns in the legacy decoder, so we
can now remove disas_data_proc_imm().
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id:
20230512144106.
3608981-13-peter.maydell@linaro.org
Richard Henderson [Fri, 12 May 2023 14:40:57 +0000 (15:40 +0100)]
target/arm: Convert Bitfield to decodetree
Convert the BFM, SBFM, UBFM instructions.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id:
20230512144106.
3608981-12-peter.maydell@linaro.org
[PMM: Rebased]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Richard Henderson [Fri, 12 May 2023 14:40:56 +0000 (15:40 +0100)]
target/arm: Convert Move wide (immediate) to decodetree
Convert the MON, MOVZ, MOVK instructions.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id:
20230512144106.
3608981-11-peter.maydell@linaro.org
[PMM: Rebased]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Richard Henderson [Fri, 12 May 2023 14:40:55 +0000 (15:40 +0100)]
target/arm: Convert Logical (immediate) to decodetree
Convert the ADD, ORR, EOR, ANDS (immediate) instructions.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id:
20230512144106.
3608981-10-peter.maydell@linaro.org
[PMM: rebased]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Richard Henderson [Fri, 12 May 2023 14:40:54 +0000 (15:40 +0100)]
target/arm: Replace bitmask64 with MAKE_64BIT_MASK
Use the bitops.h macro rather than rolling our own here.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id:
20230512144106.
3608981-9-peter.maydell@linaro.org
Richard Henderson [Fri, 12 May 2023 14:40:53 +0000 (15:40 +0100)]
target/arm: Convert Add/subtract (immediate with tags) to decodetree
Convert the ADDG and SUBG (immediate) instructions.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id:
20230512144106.
3608981-8-peter.maydell@linaro.org
[PMM: Rebased; use TRANS_FEAT()]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Richard Henderson [Fri, 12 May 2023 14:40:52 +0000 (15:40 +0100)]
target/arm: Convert Add/subtract (immediate) to decodetree
Convert the ADD and SUB (immediate) instructions.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id:
20230512144106.
3608981-7-peter.maydell@linaro.org
[PMM: Rebased; adjusted to use translate.h's TRANS macro]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Richard Henderson [Fri, 12 May 2023 14:40:51 +0000 (15:40 +0100)]
target/arm: Split gen_add_CC and gen_sub_CC
Split out specific 32-bit and 64-bit functions.
These carry the same signature as tcg_gen_add_i64,
and so will be easier to pass as callbacks.
Retain gen_add_CC and gen_sub_CC during conversion.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id:
20230512144106.
3608981-6-peter.maydell@linaro.org
[PMM: rebased]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Richard Henderson [Fri, 12 May 2023 14:40:50 +0000 (15:40 +0100)]
target/arm: Convert PC-rel addressing to decodetree
Convert the ADR and ADRP instructions.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id:
20230512144106.
3608981-5-peter.maydell@linaro.org
[PMM: Rebased]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Peter Maydell [Fri, 12 May 2023 14:40:49 +0000 (15:40 +0100)]
target/arm: Pull calls to disas_sve() and disas_sme() out of legacy decoder
The SVE and SME decode is already done by decodetree. Pull the calls
to these decoders out of the legacy decoder. This doesn't change
behaviour because all the patterns in sve.decode and sme.decode
already require the bits that the legacy decoder is decoding to have
the correct values.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id:
20230512144106.
3608981-4-peter.maydell@linaro.org
Peter Maydell [Fri, 12 May 2023 14:40:48 +0000 (15:40 +0100)]
target/arm: Create decodetree skeleton for A64
The A64 translator uses a hand-written decoder for everything except
SVE or SME. It's fairly well structured, but it's becoming obvious
that it's still more painful to add instructions to than the A32
translator, because putting a new instruction into the right place in
a hand-written decoder is much harder than adding new instruction
patterns to a decodetree file.
As the first step in conversion to decodetree, create the skeleton of
the decodetree decoder; where it does not handle instructions we will
fall back to the legacy decoder (which will be for everything at the
moment, since there are no patterns in a64.decode).
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id:
20230512144106.
3608981-3-peter.maydell@linaro.org
Richard Henderson [Fri, 12 May 2023 14:40:47 +0000 (15:40 +0100)]
target/arm: Split out disas_a64_legacy
Split out all of the decode stuff from aarch64_tr_translate_insn.
Call it disas_a64_legacy to indicate it will be replaced.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id:
20230512144106.
3608981-2-peter.maydell@linaro.org
[PMM: Rebased]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Marcin Juszkiewicz [Fri, 5 May 2023 12:09:36 +0000 (14:09 +0200)]
sbsa-ref: use Bochs graphics card instead of VGA
Bochs card is normal PCI Express card so it fits better in system with
PCI Express bus. VGA is simple legacy PCI card.
Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Reviewed-by: Leif Lindholm <quic_llindhol@quicinc.com>
Message-id:
20230505120936.
1097060-1-marcin.juszkiewicz@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Alex Bennée [Tue, 16 May 2023 10:44:20 +0000 (11:44 +0100)]
target/arm: add RAZ/WI handling for DBGDTR[TX|RX]
The commit
b3aa2f2128 (target/arm: provide stubs for more external
debug registers) was added to handle HyperV's unconditional usage of
Debug Communications Channel. It turns out that Linux will similarly
break if you enable CONFIG_HVC_DCC "ARM JTAG DCC console".
Extend the registers we RAZ/WI set to avoid this.
Cc: Anders Roxell <anders.roxell@linaro.org>
Cc: Evgeny Iakovlev <eiakovlev@linux.microsoft.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id:
20230516104420.407912-1-alex.bennee@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Cornelia Huck [Fri, 28 Apr 2023 09:55:33 +0000 (11:55 +0200)]
arm/kvm: add support for MTE
Extend the 'mte' property for the virt machine to cover KVM as
well. For KVM, we don't allocate tag memory, but instead enable the
capability.
If MTE has been enabled, we need to disable migration, as we do not
yet have a way to migrate the tags as well. Therefore, MTE will stay
off with KVM unless requested explicitly.
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id:
20230428095533.21747-2-cohuck@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Marcin Juszkiewicz [Mon, 15 May 2023 14:37:53 +0000 (16:37 +0200)]
Maintainers: add myself as reviewer for sbsa-ref
At Linaro I work on sbsa-ref, know direction it goes.
May not get code details each time.
Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id:
20230515143753.365591-1-marcin.juszkiewicz@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Richard Henderson [Thu, 18 May 2023 09:31:43 +0000 (10:31 +0100)]
target/arm: Fix vd == vm overlap in sve_ldff1_z
If vd == vm, copy vm to scratch, so that we can pre-zero
the output and still access the gather indicies.
Cc: qemu-stable@nongnu.org
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1612
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id:
20230504104232.
1877774-1-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Marcin Juszkiewicz [Thu, 18 May 2023 09:31:43 +0000 (10:31 +0100)]
sbsa-ref: switch default cpu core to Neoverse-N1
The world outside moves to newer and newer cpu cores. Let move SBSA
Reference Platform to something newer as well.
Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Reviewed-by: Leif Lindholm <quic_llindhol@quicinc.com>
Message-id:
20230506183417.
1360427-1-marcin.juszkiewicz@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Paolo Bonzini [Wed, 12 Oct 2022 10:46:23 +0000 (12:46 +0200)]
build: move stack protector flag selection to meson
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Wed, 12 Oct 2022 11:19:35 +0000 (13:19 +0200)]
build: move coroutine backend selection to meson
To simplify the code, rename coroutine-win32.c to match the option
passed to configure.
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Wed, 12 Oct 2022 09:59:51 +0000 (11:59 +0200)]
build: move SafeStack tests to meson
This disables the old behavior of detecting SafeStack from environment
CFLAGS. SafeStack is now enabled purely based on the configure arguments.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Mon, 9 Jan 2023 14:31:51 +0000 (15:31 +0100)]
build: move sanitizer tests to meson
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Wed, 12 Oct 2022 15:13:23 +0000 (17:13 +0200)]
meson: prepare move of QEMU_CFLAGS to meson
Clean up the handling of compiler flags in meson.build, splitting
the general flags that should be included in subprojects as well,
from warning flags that only apply to QEMU itself. The two were
mixed in both configure tests and meson tests.
This split makes it easier to move the compiler tests piecewise
from configure to Meson.
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Thu, 20 Oct 2022 12:53:10 +0000 (14:53 +0200)]
configure, meson: move --enable-modules to Meson
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Wed, 12 Oct 2022 11:03:18 +0000 (13:03 +0200)]
configure: remove pkg-config functions
All uses of pkg-config have been moved to Meson.
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Wed, 12 Oct 2022 09:31:32 +0000 (11:31 +0200)]
build: move glib detection and workarounds to meson
QEMU adds the path to glib.h to all compilation commands. This is simpler
due to the pervasive use of static_library, and was grandfathered in from
the previous Make-based build system. Until Meson 0.63 the only way to
do this was to detect glib in configure and use add_project_arguments,
but now it is possible to use add_project_dependencies instead.
gmodule is detected in a separate variable, with export enabled for
modules and disabled for plugin.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Thu, 30 Mar 2023 10:47:23 +0000 (12:47 +0200)]
meson: drop unnecessary declare_dependency()
The libvfio_user_dep variable of subprojects/libvfio-user/lib/meson.build
is already a dependency, so there is no need to wrap it with another
declare_dependency().
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Thu, 30 Mar 2023 10:45:58 +0000 (12:45 +0200)]
meson: add more version numbers to the summary
Whenever declare_dependency is used to add some compile flags or dependent
libraries to the outcome of dependency(), the version of the original
dependency is dropped in the summary. Make sure that declare_dependency()
has a version argument in those cases.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Thu, 14 Jul 2022 12:56:58 +0000 (14:56 +0200)]
meson: remove static_kwargs
After static_kwargs has been changed to an empty dictionary, it has
no functional effect and can be removed.
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Thu, 14 Jul 2022 12:33:49 +0000 (14:33 +0200)]
meson: use prefer_static option
The option is new in Meson 0.63 and removes the need to pass "static:
true" to all dependency and find_library invocation. Actually cleaning
up the invocations is left for a separate patch.
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Thu, 23 Dec 2021 14:29:56 +0000 (15:29 +0100)]
meson: require 0.63.0
This version allows cleanups in modinfo collection, but they only
work with Ninja 1.9.x and 1.8.x is still supported. It also supports the
equivalent of QEMU's --static option to configure.
The wheel file is bumped to 0.63.3, the last release in the 0.63 branch.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Thu, 11 May 2023 07:39:44 +0000 (09:39 +0200)]
meson: regenerate meson-buildoptions.sh
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Tue, 16 May 2023 09:59:36 +0000 (11:59 +0200)]
python: bump some of the dependencies
The version of pyflakes that is listed in python/tests/minreqs.txt
breaks on Python 3.8 with the following message:
AttributeError: 'FlakesChecker' object has no attribute 'CONSTANT'
Now that we do not support EOL'd Python versions anymore, we can
update to newer, fixed versions. It is a good time to do so, before
Python packages start dropping support for Python 3.7 as well!
The new mypy is also a bit smarter about which packages are actually
being used, so remove the now-unnecessary sections from setup.cfg.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <
20230511035435.734312-27-jsnow@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Thu, 11 May 2023 03:54:33 +0000 (23:54 -0400)]
mkvenv: mark command as required
This is only available in Python 3.7+.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <
20230511035435.734312-26-jsnow@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
John Snow [Thu, 11 May 2023 03:54:32 +0000 (23:54 -0400)]
configure: Add courtesy hint to Python version failure message
If we begin requiring Python 3.7+, a few platforms are going to need to
install an additional Python interpreter package.
As a courtesy to the user, suggest the optional package they might need
to install. This will hopefully minimize any downtime caused by the
change in Python dependency.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <
20230221012456.
2607692-3-jsnow@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <
20230511035435.734312-25-jsnow@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Thu, 11 May 2023 03:54:31 +0000 (23:54 -0400)]
Python: Drop support for Python 3.6
Python 3.6 was EOL 2021-12-31. Newer versions of upstream libraries have
begun dropping support for this version and it is becoming more
cumbersome to support. Avocado-framework and qemu.qmp each have their
own reasons for wanting to drop Python 3.6, but won't until QEMU does.
Versions of Python available in our supported build platforms as of today,
with optional versions available in parentheses:
openSUSE Leap 15.4: 3.6.15 (3.9.10, 3.10.2)
CentOS Stream 8: 3.6.8 (3.8.13, 3.9.16)
CentOS Stream 9: 3.9.13
Fedora 36: 3.10
Fedora 37: 3.11
Debian 11: 3.9.2
Alpine 3.14, 3.15: 3.9.16
Alpine 3.16, 3.17: 3.10.10
Ubuntu 20.04 LTS: 3.8.10
Ubuntu 22.04 LTS: 3.10.4
NetBSD 9.3: 3.9.13*
FreeBSD 12.4: 3.9.16
FreeBSD 13.1: 3.9.16
OpenBSD 7.2: 3.9.16
Note: Our VM tests install 3.9 explicitly for FreeBSD and 3.10 for
NetBSD; the default for "python" or "python3" in FreeBSD is
3.9.16. NetBSD does not appear to have a default meta-package, but
offers several options, the lowest of which is 3.7.15. "python39"
appears to be a pre-requisite to one of the other packages we request in
tests/vm/netbsd. pip, ensurepip and other Python essentials are
currently only available for Python 3.10 for NetBSD.
CentOS and OpenSUSE support parallel installation of multiple Python
interpreters, and binaries in /usr/bin will always use Python 3.6. However,
the newly introduced support for virtual environments ensures that all build
steps that execute QEMU Python code use a single interpreter.
Since it is safe to under our supported platform policy, bump our
minimum supported version of Python to 3.7.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <
20230511035435.734312-24-jsnow@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
John Snow [Thu, 11 May 2023 03:54:30 +0000 (23:54 -0400)]
configure: add --enable-pypi and --disable-pypi
In the event that there's no vendored source present and no sufficient
version of $package can be found, we will attempt to connect to PyPI to
install the package if '--disable-pypi' was not passed.
This means that PyPI access is "enabled by default", but there are some
subtleties that make this action occur much less frequently than you
might imagine:
(1) While --enable-pypi is the default, vendored source will always be
preferred when found, making PyPI a fallback. This should ensure
that configure-time venv building "just works" for almost everyone
in almost every circumstance.
(2) Because meson source is, at time of writing, vendored directly into
qemu.git, PyPI will never be used for sourcing meson.
(3) Because Sphinx is an optional dependency, if docs are set to "auto",
PyPI will not be used to obtain Sphinx source as a fallback and
instead docs will be disabled. If PyPI sourcing of sphinx is
desired, --enable-docs should be passed to force the lookup. I chose
this as the default behavior to avoid adding new internet lookups to
a "default" invocation of configure.
Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <
20230511035435.734312-23-jsnow@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
John Snow [Thu, 11 May 2023 03:54:29 +0000 (23:54 -0400)]
configure: bootstrap sphinx with mkvenv
When docs are explicitly requested, require Sphinx>=1.6.0. When docs are
explicitly disabled, don't bother to check for Sphinx at all. If docs
are set to "auto", attempt to locate Sphinx, but continue onward if it
wasn't located.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <
20230511035435.734312-22-jsnow@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
John Snow [Thu, 11 May 2023 03:54:28 +0000 (23:54 -0400)]
configure: move --enable-docs and --disable-docs back to configure
Move this option back from meson into configure for the purposes of
using the configuration value to bootstrap Sphinx in different ways
based on this value.
Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <
20230511035435.734312-21-jsnow@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
John Snow [Thu, 11 May 2023 03:54:27 +0000 (23:54 -0400)]
tests: Use configure-provided pyvenv for tests
This patch changes how the avocado tests are provided, ever so
slightly. Instead of creating a new testing venv, use the
configure-provided 'pyvenv' instead, and install optional packages into
that.
Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <
20230511035435.734312-20-jsnow@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
John Snow [Thu, 11 May 2023 03:54:26 +0000 (23:54 -0400)]
qemu.git: drop meson git submodule
Now that meson is installed from a vendored wheel, we don't need the git
submodule anymore. Drop it.
Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <
20230511035435.734312-19-jsnow@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
John Snow [Thu, 11 May 2023 03:54:25 +0000 (23:54 -0400)]
configure: use 'mkvenv ensure meson' to bootstrap meson
This commit changes how we detect and install meson. It notably removes
'--meson='.
Currently, configure creates a lightweight Python virtual environment
unconditionally using the user's configured $python that inherits system
packages. Temporarily, we forced the use of meson source present via git
submodule or in the release tarball.
With this patch, we restore the ability to use a system-provided meson:
If Meson is installed in the build venv and meets our minimum version
requirements, we will use that Meson. This includes a system provided
meson, which would be visible via system-site packages inside the venv.
In the event that Meson is installed but *not for the chosen Python
interpreter*, not found, or of insufficient version, we will attempt to
install Meson from vendored source into the newly created Python virtual
environment. This vendored installation replaces both the git submodule
and tarball source mechanisms for sourcing meson.
As a result of this patch, the Python interpreter we use for both our
own build scripts *and* Meson extensions are always known to be the
exact same Python. As a further benefit, there will also be a symlink
available in the build directory that points to the correct, configured
python and can be used by e.g. manual tests to invoke the correct,
configured Python unambiguously.
Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <
20230511035435.734312-18-jsnow@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
John Snow [Thu, 11 May 2023 03:54:24 +0000 (23:54 -0400)]
python/wheels: add vendored meson package
In preference to vendoring meson source, vendor a built distributable
("bdist" in python parlance). This has some benefits:
(1) We can get rid of a git submodule,
(2) Installing built meson into a venv doesn't require any extra
dependencies (the python "wheel" package, chiefly.)
(3) We don't treat meson any differently than we would any other python
package (we install it, end of story, done.)
(4) All future tarball *and* developer checkouts will function offline;
No git or PyPI connection needed to fetch meson.
Note that because mkvenv prefers vendored packages to PyPI, as mkvenv is
currently written we will never consult PyPI for meson. (Do keep in mind
that your distribution's meson will be preferred above the vendored
version, though.)
```
jsnow@scv ~/s/q/python (python-configure-venv)> python3 scripts/vendor.py
pip download --dest /home/jsnow/src/qemu/python/wheels --require-hashes -r /tmp/tmpvo5qav7i
Collecting meson==0.61.5
Using cached meson-0.61.5-py3-none-any.whl (862 kB)
Saved ./wheels/meson-0.61.5-py3-none-any.whl
Successfully downloaded meson
```
Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <
20230511035435.734312-17-jsnow@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
John Snow [Thu, 11 May 2023 03:54:23 +0000 (23:54 -0400)]
configure: create a python venv unconditionally
This patch changes the configure script so that it always creates and
uses a python virtual environment unconditionally.
Meson bootstrapping is temporarily altered to force the use of meson
from git or vendored source (as packaged in our source tarballs). A
subsequent commit restores the use of distribution-vendored Meson.
Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <
20230511035435.734312-16-jsnow@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
John Snow [Thu, 11 May 2023 03:54:22 +0000 (23:54 -0400)]
python: add vendor.py utility
This is a teeny-tiny script that just downloads any packages we want to
vendor from PyPI and stores them in qemu.git/python/wheels/. If I'm hit
by a meteor, it'll be easy to replicate what I have done in order to
udpate the vendored source.
We don't really care which python runs it; it exists as a meta-utility
with no external dependencies and we won't package or install it. It
will be monitored by the linters/type checkers, though; so it's
guaranteed safe on python 3.6+.
Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <
20230511035435.734312-15-jsnow@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
John Snow [Thu, 11 May 2023 03:54:21 +0000 (23:54 -0400)]
tests/vm: add py310-expat to NetBSD
NetBSD cannot successfully run "ensurepip" without access to the pyexpat
module, which NetBSD debundles. Like the Debian patch, it would be
strictly faster long term to install pip/setuptools, and I recommend
developers at their workstations take that approach instead.
For the purposes of a throwaway VM, there's not really a speed
difference for who is responsible for installing pip; us (needs
py310-pip) or Python (needs py310-expat).
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <
20230511035435.734312-14-jsnow@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
John Snow [Thu, 11 May 2023 03:54:20 +0000 (23:54 -0400)]
tests/vm: Configure netbsd to use Python 3.10
NetBSD removes some packages from the Python stdlib, but only
re-packages them for Python 3.10. Switch to using Python 3.10.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <
20230511035435.734312-13-jsnow@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
John Snow [Thu, 11 May 2023 03:54:19 +0000 (23:54 -0400)]
tests/docker: add python3-venv dependency
Several debian-based tests need the python3-venv dependency as a
consequence of Debian debundling the "ensurepip" module normally
included with Python.
As mkvenv.py stands as of this commit, Debian requires EITHER:
(A) setuptools and pip, or
(B) ensurepip
mkvenv is a few seconds faster if you have setuptools and pip, so
developers should prefer the first requirement. For the purposes of CI,
the time-save is a wash; it's only a matter of who is responsible for
installing pip and when; the timing is about the same.
Arbitrarily, I chose adding ensurepip to the test configuration because
it is normally part of the Python stdlib, and always having it allows us
a more consistent cross-platform environment.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <
20230511035435.734312-12-jsnow@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
John Snow [Tue, 16 May 2023 07:13:32 +0000 (09:13 +0200)]
mkvenv: work around broken pip installations on Debian 10
This is a workaround intended for Debian 10, where the debian-patched
pip does not function correctly if accessed from within a virtual
environment.
We don't support Debian 10 as a build platform any longer, though we do
still utilize it for our build-tricore-softmmu CI test. It's also
possible that this bug might appear on other derivative platforms and
this workaround may prove useful.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <
20230511035435.734312-11-jsnow@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>