As with SEV, an SNP guest requires that the BIOS be part of the initial
encrypted/measured guest payload. Extend sev_encrypt_flash() to handle
the SNP case and plumb through the GPA of the BIOS location since this
is needed for SNP.
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Michael Roth <michael.roth@amd.com>
Signed-off-by: Pankaj Gupta <pankaj.gupta@amd.com>
Message-ID: <20240530111643.1091816-25-pankaj.gupta@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
A recent version of OVMF expanded the reset vector GUID list to add
SEV-specific metadata GUID. The SEV metadata describes the reserved
memory regions such as the secrets and CPUID page used during the SEV-SNP
guest launch.
The pc_system_get_ovmf_sev_metadata_ptr() is used to retieve the SEV
metadata pointer from the OVMF GUID list.
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Michael Roth <michael.roth@amd.com>
Signed-off-by: Pankaj Gupta <pankaj.gupta@amd.com>
Message-ID: <20240530111643.1091816-19-pankaj.gupta@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Ask the ConfidentialGuestSupport object whether to use guest_memfd
for KVM-backend private memory. This bool can be set in instance_init
(or user_complete) so that it is available when the machine is created.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Right now QEMU is importing arch/x86/include/uapi/asm/kvm_para.h
because it includes definitions for kvmclock and for KVM CPUID
bits. However, other definitions for KVM hypercall values and return
codes are included in include/uapi/linux/kvm_para.h and they will be
used by SEV-SNP.
To ensure that it is possible to include both <linux/kvm_para.h> and
"standard-headers/asm-x86/kvm_para.h" without conflicts, provide
linux/kvm_para.h as a portable header too, and forward linux-headers/
files to those in include/standard-headers. Note that <linux/kvm_para.h>
will include architecture-specific definitions as well, but
"standard-headers/linux/kvm_para.h" will not because it can be used in
architecture-independent files.
This could easily be extended to other architectures, but right now
they do not need any symbol in their specific kvm_para.h files.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Linux has <misc/pvpanic.h>, not <linux/pvpanic.h>. Use the same
directory for QEMU's include/standard-headers/ copy.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This patch adds support for MCQ defined in UFSHCI 4.0. This patch
utilized the legacy I/O codes as much as possible to support MCQ.
MCQ operation & runtime register is placed at 0x1000 offset of UFSHCI
register statically with no spare space among four registers (48B):
UfsMcqSqReg, UfsMcqSqIntReg, UfsMcqCqReg, UfsMcqCqIntReg
The maxinum number of queue is 32 as per spec, and the default
MAC(Multiple Active Commands) are 32 in the device.
Example:
-device ufs,serial=foo,id=ufs0,mcq=true,mcq-maxq=8
Signed-off-by: Minwoo Im <minwoo.im@samsung.com>
Reviewed-by: Jeuk Kim <jeuk20.kim@samsung.com>
Message-Id: <20240528023106.856777-3-minwoo.im@samsung.com>
Signed-off-by: Jeuk Kim <jeuk20.kim@samsung.com>
This patch is a prep patch for the following MCQ support patch for
hw/ufs. This patch updated minimal mandatory fields to support MCQ
based on UFSHCI 4.0.
Signed-off-by: Minwoo Im <minwoo.im@samsung.com>
Reviewed-by: Jeuk Kim <jeuk20.kim@samsung.com>
Message-Id: <20240528023106.856777-2-minwoo.im@samsung.com>
Signed-off-by: Jeuk Kim <jeuk20.kim@samsung.com>
The TCGCPUOps::cpu_exec_halt method is called from cpu_handle_halt()
when the CPU is halted, so that a target CPU emulation can do
anything target-specific it needs to do. (At the moment we only use
this on i386.)
The current specification of the method doesn't allow the target
specific code to do something different if the CPU is about to come
out of the halt state, because cpu_handle_halt() only determines this
after the method has returned. (If the method called cpu_has_work()
itself this would introduce a potential race if an interrupt arrived
between the target's method implementation checking and
cpu_handle_halt() repeating the check.)
Change the definition of the method so that it returns a bool to
tell cpu_handle_halt() whether to stay in halt or not.
We will want this for the Arm target, where FEAT_WFxT wants to do
some work only for the case where the CPU is in halt but about to
leave it.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240430140035.3889879-2-peter.maydell@linaro.org
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>
-fsanitize=undefined complains if function pointers are casted. It
also prevents enabling the strict mode of CFI which is currently
disabled with -fsanitize-cfi-icall-generalize-pointers.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2345
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240524-xkb-v4-2-2de564e5c859@daynix.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
It's not used anywhere, so let's simply remove it.
Message-ID: <20240527121351.211266-1-thuth@redhat.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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>
Currently block_copy creates copy_bitmap in source node. But that is in
bad relation with .independent_close=true of copy-before-write filter:
source node may be detached and removed before .bdrv_close() handler
called, which should call block_copy_state_free(), which in turn should
remove copy_bitmap.
That's all not ideal: it would be better if internal bitmap of
block-copy object is not attached to any node. But that is not possible
now.
The simplest solution is just create copy_bitmap in filter node, where
anyway two other bitmaps are created.
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>
Message-Id: <20240313152822.626493-4-vsementsov@yandex-team.ru>
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240514105829.729342-4-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Konstantin Kostiuk <kkostiuk@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240513141703.549874-7-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
These are no longer used.
tlb_flush_all_cpus: removed by previous commit.
tlb_flush_page_all_cpus: removed by previous commit.
tlb_flush_page_bits_by_mmuidx_all_cpus: never used.
tlb_flush_page_by_mmuidx_all_cpus: never used.
tlb_flush_page_bits_by_mmuidx_all_cpus: never used, thus:
tlb_flush_range_by_mmuidx_all_cpus: never used.
tlb_flush_by_mmuidx_all_cpus: never used.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
* target/i386: add control bits support for LAM
* target/i386: tweaks to new translator
* target/i386: add support for LAM in CPUID enumeration
* hw/i386/pc: Support smp.modules for x86 PC machine
* target-i386: hyper-v: Correct kvm_hv_handle_exit return value
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging
* hw/i386/pc_sysfw: Alias rather than copy isa-bios region
* target/i386: add control bits support for LAM
* target/i386: tweaks to new translator
* target/i386: add support for LAM in CPUID enumeration
* hw/i386/pc: Support smp.modules for x86 PC machine
* target-i386: hyper-v: Correct kvm_hv_handle_exit return value
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# gpg: Signature made Wed 22 May 2024 10:58:40 AM PDT
# gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg: issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (23 commits)
target-i386: hyper-v: Correct kvm_hv_handle_exit return value
i386/cpu: Use CPUCacheInfo.share_level to encode CPUID[0x8000001D].EAX[bits 25:14]
i386/cpu: Use CPUCacheInfo.share_level to encode CPUID[4]
i386: Add cache topology info in CPUCacheInfo
hw/i386/pc: Support smp.modules for x86 PC machine
tests: Add test case of APIC ID for module level parsing
i386/cpu: Introduce module-id to X86CPU
i386: Support module_id in X86CPUTopoIDs
i386: Expose module level in CPUID[0x1F]
i386: Support modules_per_die in X86CPUTopoInfo
i386: Introduce module level cpu topology to CPUX86State
i386/cpu: Decouple CPUID[0x1F] subleaf with specific topology level
i386: Split topology types of CPUID[0x1F] from the definitions of CPUID[0xB]
i386/cpu: Introduce bitmap to cache available CPU topology levels
i386/cpu: Consolidate the use of topo_info in cpu_x86_cpuid()
i386/cpu: Use APIC ID info get NumSharingCache for CPUID[0x8000001D].EAX[bits 25:14]
i386/cpu: Use APIC ID info to encode cache topo in CPUID[4]
i386/cpu: Fix i/d-cache topology to core level for Intel CPU
target/i386: add control bits support for LAM
target/i386: add support for LAM in CPUID enumeration
...
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Prelude to supporting TCG_COND_TST* in vector comparisons.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
- Li Zhijian's COLO minor fixes
- Marc-André's virtio-gpu fix
- Fiona's virtio-net USO fix
- A couple of migration-test fixes from Thomas
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Merge tag 'migration-20240522-pull-request' of https://gitlab.com/farosas/qemu into staging
Migration pull request
- Li Zhijian's COLO minor fixes
- Marc-André's virtio-gpu fix
- Fiona's virtio-net USO fix
- A couple of migration-test fixes from Thomas
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# gpg: Signature made Wed 22 May 2024 03:13:28 PM PDT
# gpg: using RSA key AA1B48B0A22326A5A4C364CFC798DC741BEC319D
# gpg: issuer "farosas@suse.de"
# gpg: Good signature from "Fabiano Rosas <farosas@suse.de>" [unknown]
# gpg: aka "Fabiano Almeida Rosas <fabiano.rosas@suse.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: AA1B 48B0 A223 26A5 A4C3 64CF C798 DC74 1BEC 319D
* tag 'migration-20240522-pull-request' of https://gitlab.com/farosas/qemu:
tests/qtest/migration-test: Fix the check for a successful run of analyze-migration.py
tests/qtest/migration-test: Run some basic tests on s390x and ppc64 with TCG, too
hw/core/machine: move compatibility flags for VirtIO-net USO to machine 8.1
virtio-gpu: fix v2 migration
migration: fix a typo
migration: add "exists" info to load-state-field trace
migration/colo: Tidy up bql_unlock() around bdrv_activate_all()
migration/colo: make colo_incoming_co() return void
migration/colo: Minor fix for colo error message
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Commit dfcf74fa ("virtio-gpu: fix scanout migration post-load") broke
forward/backward version migration. Versioning of nested VMSD structures
is not straightforward, as the wire format doesn't have nested
structures versions. Introduce x-scanout-vmstate-version and a field
test to save/load appropriately according to the machine version.
Fixes: dfcf74fa ("virtio-gpu: fix scanout migration post-load")
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Fiona Ebner <f.ebner@proxmox.com>
Tested-by: Fiona Ebner <f.ebner@proxmox.com>
[fixed long lines]
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Currently, it always returns 0, no need to check the return value at all.
In addition, enter colo coroutine only if migration_incoming_colo_enabled()
is true.
Once the destination side enters the COLO* state, the COLO process will
take over the remaining processes until COLO exits.
Cc: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Zhang Chen <chen.zhang@intel.com>
Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
[fixed mangled author email address]
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Add module_id member in X86CPUTopoIDs.
module_id can be parsed from APIC ID, so also update APIC ID parsing
rule to support module level. With this support, the conversions with
module level between X86CPUTopoIDs, X86CPUTopoInfo and APIC ID are
completed.
module_id can be also generated from cpu topology, and before i386
supports "modules" in smp, the default "modules per die" (modules *
clusters) is only 1, thus the module_id generated in this way is 0,
so that it will not conflict with the module_id generated by APIC ID.
Tested-by: Yongwei Ma <yongwei.ma@intel.com>
Signed-off-by: Zhuocheng Ding <zhuocheng.ding@intel.com>
Co-developed-by: Zhuocheng Ding <zhuocheng.ding@intel.com>
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Tested-by: Babu Moger <babu.moger@amd.com>
Message-ID: <20240424154929.1487382-16-zhao1.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Linux kernel (from v6.4, with commit edc0a2b595765 ("x86/topology: Fix
erroneous smp_num_siblings on Intel Hybrid platforms") is able to
handle platforms with Module level enumerated via CPUID.1F.
Expose the module level in CPUID[0x1F] if the machine has more than 1
modules.
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>
Message-ID: <20240424154929.1487382-15-zhao1.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Support module level in i386 cpu topology structure "X86CPUTopoInfo".
Since x86 does not yet support the "modules" parameter in "-smp",
X86CPUTopoInfo.modules_per_die is currently always 1.
Therefore, the module level width in APIC ID, which can be calculated by
"apicid_bitwidth_for_count(topo_info->modules_per_die)", is always 0 for
now, so we can directly add APIC ID related helpers to support module
level parsing.
In addition, update topology structure in test-x86-topo.c.
Tested-by: Yongwei Ma <yongwei.ma@intel.com>
Co-developed-by: Zhuocheng Ding <zhuocheng.ding@intel.com>
Signed-off-by: Zhuocheng Ding <zhuocheng.ding@intel.com>
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Tested-by: Babu Moger <babu.moger@amd.com>
Message-ID: <20240424154929.1487382-14-zhao1.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Currently, QEMU checks the specify number of topology domains to detect
if there's extended topology levels (e.g., checking nr_dies).
With this bitmap, the extended CPU topology (the levels other than SMT,
core and package) could be easier to detect without touching the
topology details.
This is also in preparation for the follow-up to decouple CPUID[0x1F]
subleaf with specific topology level.
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>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Message-ID: <20240424154929.1487382-10-zhao1.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
In the -bios case the "isa-bios" memory region is an alias to the BIOS mapped
to the top of the 4G memory boundary. Do the same in the -pflash case, but only
for new machine versions for migration compatibility. This establishes common
behavior and makes pflash commands work in the "isa-bios" region which some
real-world legacy bioses rely on.
Note that in the sev_enabled() case, the "isa-bios" memory region in the -pflash
case will now also point to encrypted memory, just like it already does in the
-bios case.
When running `info mtree` before and after this commit with
`qemu-system-x86_64 -S -drive \
if=pflash,format=raw,readonly=on,file=/usr/share/qemu/bios-256k.bin` and running
`diff -u before.mtree after.mtree` results in the following changes in the
memory tree:
--- before.mtree
+++ after.mtree
@@ -71,7 +71,7 @@
0000000000000000-ffffffffffffffff (prio -1, i/o): pci
00000000000a0000-00000000000bffff (prio 1, i/o): vga-lowmem
00000000000c0000-00000000000dffff (prio 1, rom): pc.rom
- 00000000000e0000-00000000000fffff (prio 1, rom): isa-bios
+ 00000000000e0000-00000000000fffff (prio 1, romd): alias isa-bios @system.flash0 0000000000020000-000000000003ffff
00000000000a0000-00000000000bffff (prio 1, i/o): alias smram-region @pci 00000000000a0000-00000000000bffff
00000000000c0000-00000000000c3fff (prio 1, i/o): alias pam-pci @pci 00000000000c0000-00000000000c3fff
00000000000c4000-00000000000c7fff (prio 1, i/o): alias pam-pci @pci 00000000000c4000-00000000000c7fff
@@ -108,7 +108,7 @@
0000000000000000-ffffffffffffffff (prio -1, i/o): pci
00000000000a0000-00000000000bffff (prio 1, i/o): vga-lowmem
00000000000c0000-00000000000dffff (prio 1, rom): pc.rom
- 00000000000e0000-00000000000fffff (prio 1, rom): isa-bios
+ 00000000000e0000-00000000000fffff (prio 1, romd): alias isa-bios @system.flash0 0000000000020000-000000000003ffff
00000000000a0000-00000000000bffff (prio 1, i/o): alias smram-region @pci 00000000000a0000-00000000000bffff
00000000000c0000-00000000000c3fff (prio 1, i/o): alias pam-pci @pci 00000000000c0000-00000000000c3fff
00000000000c4000-00000000000c7fff (prio 1, i/o): alias pam-pci @pci 00000000000c4000-00000000000c7fff
@@ -131,11 +131,14 @@
memory-region: pc.ram
0000000000000000-0000000007ffffff (prio 0, ram): pc.ram
+memory-region: system.flash0
+ 00000000fffc0000-00000000ffffffff (prio 0, romd): system.flash0
+
memory-region: pci
0000000000000000-ffffffffffffffff (prio -1, i/o): pci
00000000000a0000-00000000000bffff (prio 1, i/o): vga-lowmem
00000000000c0000-00000000000dffff (prio 1, rom): pc.rom
- 00000000000e0000-00000000000fffff (prio 1, rom): isa-bios
+ 00000000000e0000-00000000000fffff (prio 1, romd): alias isa-bios @system.flash0 0000000000020000-000000000003ffff
memory-region: smram
00000000000a0000-00000000000bffff (prio 0, ram): alias smram-low @pc.ram 00000000000a0000-00000000000bffff
Note that in both cases the "system" memory region contains the entry
00000000fffc0000-00000000ffffffff (prio 0, romd): system.flash0
but the "system.flash0" memory region only appears standalone when "isa-bios" is
an alias.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-ID: <20240508175507.22270-7-shentey@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This is to follow the coding standand in qapi/error.h to return bool
for bool-valued functions.
Suggested-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
This is to follow the coding standand in qapi/error.h to return bool
for bool-valued functions.
Suggested-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
This is to follow the coding standand to return bool if 'Error **'
is used to pass error.
The changed functions include:
iommufd_backend_connect
iommufd_backend_alloc_ioas
By this chance, simplify the functions a bit by avoiding duplicate
recordings, e.g., log through either error interface or trace, not
both.
Suggested-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
This is to follow the coding standand to return bool if 'Error **'
is used to pass error.
Suggested-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Make VFIOIOMMUClass::add_window() and its wrapper function
vfio_container_add_section_window() return bool.
This is to follow the coding standand to return bool if 'Error **'
is used to pass error.
Suggested-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
This is to follow the coding standand to return bool if 'Error **'
is used to pass error.
Suggested-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Make VFIOIOMMUClass::attach_device() and its wrapper function
vfio_attach_device() return bool.
This is to follow the coding standand to return bool if 'Error **'
is used to pass error.
Suggested-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Emit VFIO migration QAPI event when a VFIO device changes its migration
state. This can be used by management applications to get updates on the
current state of the VFIO device for their own purposes.
A new per VFIO device capability, "migration-events", is added so events
can be enabled only for the required devices. It is disabled by default.
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>
Let the callers do the error reporting. Add documentation while at it.
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Avihai Horon <avihaih@nvidia.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Let the callers do the reporting. This will be useful in
vfio_iommu_map_dirty_notify().
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: David Hildenbrand <david@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Avihai Horon <avihaih@nvidia.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Use vmstate_save_state_with_err() to improve error reporting in the
callers and store a reported error under the migration stream. Add
documentation while at it.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Avihai Horon <avihaih@nvidia.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Use it to update the current error of the migration stream if
available and if not, simply print out the error. Next changes will
update with an error to report.
Reviewed-by: Avihai Horon <avihaih@nvidia.com>
Acked-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
We will use the Error object to improve error reporting in the
.log_global*() handlers of VFIO. Add documentation while at it.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Avihai Horon <avihaih@nvidia.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
This field is not needed as the callback type already holds this
information.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20240502211522.346467-10-pierrick.bouvier@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240514174253.694591-12-alex.bennee@linaro.org>
To prevent errors when writing new types of callbacks or inline
operations, we split callbacks data to distinct types.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20240502211522.346467-8-pierrick.bouvier@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240514174253.694591-10-alex.bennee@linaro.org>
Extend plugins API to support callback called with a given criteria
(evaluated inline).
Added functions:
- qemu_plugin_register_vcpu_tb_exec_cond_cb
- qemu_plugin_register_vcpu_insn_exec_cond_cb
They expect as parameter a condition, a qemu_plugin_u64_t (op1) and an
immediate (op2). Callback is called if op1 |cond| op2 is true.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20240502211522.346467-6-pierrick.bouvier@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
[AJB: fix re-base conflict with tb_is_mem_only()]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240514174253.694591-8-alex.bennee@linaro.org>
This new operation can store an immediate u64 value to a given
scoreboard.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20240502211522.346467-4-pierrick.bouvier@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240514174253.694591-6-alex.bennee@linaro.org>
Until now, only add_u64 was available, and all functions assumed this or
were named uniquely.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240514174253.694591-4-alex.bennee@linaro.org>
accel/tcg: Improve disassembly for target and plugin
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Merge tag 'pull-tcg-20240515' of https://gitlab.com/rth7680/qemu into staging
tcg/loongarch64: Fill out tcg_out_{ld,st} for vector regs
accel/tcg: Improve disassembly for target and plugin
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# gpg: Signature made Wed 15 May 2024 08:59:09 AM CEST
# gpg: using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg: issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [ultimate]
* tag 'pull-tcg-20240515' of https://gitlab.com/rth7680/qemu: (34 commits)
tcg/loongarch64: Fill out tcg_out_{ld,st} for vector regs
accel/tcg: Remove cpu_ldsb_code / cpu_ldsw_code
target/s390x: Use translator_lduw in get_next_pc
target/xtensa: Use translator_ldub in xtensa_insn_len
target/rx: Use translator_ld*
target/riscv: Use translator_ld* for everything
target/cris: Use cris_fetch in translate_v10.c.inc
target/cris: Use translator_ld* in cris_fetch
target/avr: Use translator_lduw
target/i386: Use translator_ldub for everything
target/microblaze: Use translator_ldl
target/hexagon: Use translator_ldl in pkt_crosses_page
target/s390x: Disassemble EXECUTEd instructions
target/s390x: Fix translator_fake_ld length
accel/tcg: Introduce translator_fake_ld
disas: Use translator_st to get disassembly data
disas: Split disas.c
accel/tcg: Return bool from TranslatorOps.disas_log
accel/tcg: Provide default implementation of disas_log
plugins: Merge alloc_tcg_plugin_context into plugin_gen_tb_start
...
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Previous commits replaced them by translator_ld* calls.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20240405131532.40913-1-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Replace translator_fake_ldb, which required multiple calls,
with translator_fake_ld, which can take all data at once.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Read from already translated pages, or saved mmio data.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The routines in disas-common.c are also used from disas-mon.c.
Otherwise the rest of disassembly is only used from tcg.
While we're at it, put host and target code into separate files.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
