Rather than use 4-16 separate operations, use 2 operations
plus some byte reordering as necessary.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
We should not have been using the helper_ret_* set of
functions, as they are supposed to be private to tcg.
Nor should we have been using the plain cpu_*_data set
of functions, as they do not handle unwinding properly.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The previous placement in tcg/tcg.h was not logical.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
These functions are much closer to the softmmu helper
functions, in that they take the complete MemOpIdx,
and from that they may enforce required alignment.
The previous cpu_ldst.h functions did not have alignment info,
and so did not enforce it. Retain this by adding MO_UNALN to
the MemOp that we create in calling the new functions.
Note that we are not yet enforcing alignment for user-only,
but we now have the information with which to do so.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The function is trivial for user-only, but still must be present.
Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
In memory_region_access_valid() invalid accesses are logged to help
debugging but the log message does not say if it was a read or write.
Log that too to better identify the access causing the problem.
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <20211011173616.F1DE0756022@zero.eik.bme.hu>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
I currently don't have time to work on the s390x virtio-ccw machine
anymore, so let's step down. (I will, however, continue as a
maintainer for the virtio-ccw *transport*.)
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Acked-by: Halil Pasic <pasic@linux.ibm.com>
Message-Id: <20211012144040.360887-4-cohuck@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
I'm no longer involved with KVM/s390 on the kernel side, and I don't
have enough resources to work on the s390 KVM cpus support, so I'll
step down.
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Acked-by: Halil Pasic <pasic@linux.ibm.com>
Message-Id: <20211012144040.360887-3-cohuck@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
I currently don't have time to act as vfio-ccw maintainer anymore,
so remove myself there.
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <20211012144040.360887-2-cohuck@redhat.com>
Acked-by: Matthew Rosato <mjrosato@linux.ibm.com>
Acked-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
According to the Principles of Operation, the SIGP Set Architecture
order will return Incorrect State if some CPUs are not stopped, but
only if the CZAM facility is not present. If it is, the order will
return Invalid Parameter because the architecture mode cannot be
changed.
Since CZAM always exists when S390_FEAT_ZARCH exists, which in turn
exists for every defined CPU model, we can simplify this code.
Fixes: 075e52b816 ("s390x/cpumodel: we are always in zarchitecture mode")
Signed-off-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Message-Id: <20211008203811.1980478-2-farman@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Check if the provided kernel command line exceeds the maximum size of the s390x
Linux kernel command line size, which is 896 bytes.
Reported-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Message-Id: <20211006092631.20732-1-mhartmay@linux.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
[thuth: Adjusted format specifier for size_t]
Signed-off-by: Thomas Huth <thuth@redhat.com>
* bugfixes for "check-block"
* bugfix for static build
* ObjectOptions cleanups (Thomas)
* binutils fix for PVH (Cole)
* HVF cleanup (Alex)
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
* SEV and SGX cleanups (Philippe, Dov)
* bugfixes for "check-block"
* bugfix for static build
* ObjectOptions cleanups (Thomas)
* binutils fix for PVH (Cole)
* HVF cleanup (Alex)
# gpg: Signature made Wed 13 Oct 2021 01:47:56 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]
* remotes/bonzini/tags/for-upstream: (40 commits)
ebpf: really include it only in system emulators
target/i386/sev: Use local variable for kvm_sev_launch_measure
target/i386/sev: Use local variable for kvm_sev_launch_start
monitor: Tidy up find_device_state()
Revert "hw/misc: applesmc: use host osk as default on macs"
hw/i386/sgx: Move qmp_query_sgx() and hmp_info_sgx() to hw/i386/sgx.c
hw/i386/sgx: Move qmp_query_sgx_capabilities() to hw/i386/sgx.c
hw/i386/sgx: Have sgx_epc_get_section() return a boolean
MAINTAINERS: Cover SGX documentation file with X86/KVM section
hvf: Determine slot count from struct layout
tests: tcg: Fix PVH test with binutils 2.36+
qapi: Make some ObjectTypes depend on the build settings
MAINTAINERS: Cover SEV-related files with X86/KVM section
monitor: Reduce hmp_info_sev() declaration
target/i386/sev: Move qmp_query_sev() & hmp_info_sev() to sev.c
target/i386/sev: Move qmp_query_sev_launch_measure() to sev.c
target/i386/sev: Move qmp_query_sev_capabilities() to sev.c
target/i386/sev: Move qmp_sev_inject_launch_secret() to sev.c
target/i386/sev: Move qmp_query_sev_attestation_report() to sev.c
target/i386/sev: Remove stubs by using code elision
...
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
eBPF libraries are being included in user emulators, which is useless and
also breaks --static compilation if a shared library for libbpf is
present in the system.
Reported-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The struct kvm_sev_launch_measure has a constant and small size, and
therefore we can use a regular local variable for it instead of
allocating and freeing heap memory for it.
Signed-off-by: Dov Murik <dovmurik@linux.ibm.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20211011173026.2454294-3-dovmurik@linux.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The struct kvm_sev_launch_start has a constant and small size, and
therefore we can use a regular local variable for it instead of
allocating and freeing heap memory for it.
Signed-off-by: Dov Murik <dovmurik@linux.ibm.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20211011173026.2454294-2-dovmurik@linux.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Commit 6287d827d4 "monitor: allow device_del to accept QOM paths"
extended find_device_state() to accept QOM paths in addition to qdev
IDs. This added a checked conversion to TYPE_DEVICE at the end, which
duplicates the check done for the qdev ID case earlier, except it sets
a *different* error: GenericError "ID is not a hotpluggable device"
when passed a QOM path, and DeviceNotFound "Device 'ID' not found"
when passed a qdev ID. Fortunately, the latter won't happen as long
as we add only devices to /machine/peripheral/.
Earlier, commit b6cc36abb2 "qdev: device_del: Search for to be
unplugged device in 'peripheral' container" rewrote the lookup by qdev
ID to use QOM instead of qdev_find_recursive(), so it can handle
buss-less devices. It does so by constructing an absolute QOM path.
Works, but object_resolve_path_component() is easier. Switching to it
also gets rid of the unclean duplication described above.
While there, avoid converting to TYPE_DEVICE twice, first to check
whether it's possible, and then for real.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Damien Hedde <damien.hedde@greensocs.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20210916111707.84999-1-armbru@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This reverts commit 93ddefbc3c.
The commit included code under the APSL 2.0, which is incompatible
with the GPL v2.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Move qmp_query_sgx() and hmp_info_sgx() from target/i386/monitor.c
to hw/i386/sgx.c, removing the sgx_get_info() indirection and the
"hw/i386/sgx.h" header.
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211007175612.496366-5-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Move qmp_query_sgx_capabilities() from target/i386/monitor.c to
hw/i386/sgx.c, removing the sgx_get_capabilities() indirection.
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211007175612.496366-4-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211007175612.496366-3-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
We can handle up to a static amount of memory slots, capped by the size of
an internal array.
Let's make sure that array size is the only source of truth for the number
of elements in that array.
Signed-off-by: Alexander Graf <agraf@csgraf.de>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20211008054616.43828-1-agraf@csgraf.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
binutils started adding a .note.gnu.property ELF section which
makes the PVH test fail:
TEST hello on x86_64
qemu-system-x86_64: Error loading uncompressed kernel without PVH ELF Note
Discard .note.gnu* while keeping the PVH .note bits intact.
This also strips the build-id note, so drop the related comment.
Signed-off-by: Cole Robinson <crobinso@redhat.com>
Message-Id: <5ab2a54c262c61f64c22dbb49ade3e2db8a740bb.1633708346.git.crobinso@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Some of the ObjectType entries already depend on CONFIG_* switches.
Some others also only make sense with certain configurations, but
are currently always listed in the ObjectType enum. Let's make them
depend on the correpsonding CONFIG_* switches, too, so that upper
layers (like libvirt) have a better way to determine which features
are available in QEMU.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20210928160232.432980-1-thuth@redhat.com>
[Do the same for MemoryBackendEpcProperties. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Complete the x86/KVM section with SEV-related files.
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211007161716.453984-24-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
While being conditionally used for TARGET_I386 in hmp-commands-info.hx,
hmp_info_sev() is declared for all targets. Reduce its declaration
to target including "monitor/hmp-target.h". This is a minor cleanup.
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211007161716.453984-23-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Move qmp_query_sev() & hmp_info_sev()() from monitor.c to sev.c
and make sev_get_info() static. We don't need the stub anymore,
remove it. Add a stub for hmp_info_sev().
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211007161716.453984-22-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Move qmp_query_sev_launch_measure() from monitor.c to sev.c
and make sev_get_launch_measurement() static. We don't need the
stub anymore, remove it.
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211007161716.453984-21-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Move qmp_query_sev_capabilities() from monitor.c to sev.c
and make sev_get_capabilities() static. We don't need the
stub anymore, remove it.
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211007161716.453984-20-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Move qmp_sev_inject_launch_secret() from monitor.c to sev.c
and make sev_inject_launch_secret() static. We don't need the
stub anymore, remove it.
Previously with binaries built without SEV, management layer
was getting an empty response:
{ "execute": "sev-inject-launch-secret",
"arguments": { "packet-header": "mypkt", "secret": "mypass", "gpa": 4294959104 }
}
{
"return": {
}
}
Now the response is explicit, mentioning the feature is disabled:
{ "execute": "sev-inject-launch-secret",
"arguments": { "packet-header": "mypkt", "secret": "mypass", "gpa": 4294959104 }
}
{
"error": {
"class": "GenericError",
"desc": "this feature or command is not currently supported"
}
}
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211007161716.453984-19-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Move qmp_query_sev_attestation_report() from monitor.c to sev.c
and make sev_get_attestation_report() static. We don't need the
stub anymore, remove it.
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211007161716.453984-18-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Only declare sev_enabled() and sev_es_enabled() when CONFIG_SEV is
set, to allow the compiler to elide unused code. Remove unnecessary
stubs.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20211007161716.453984-17-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
"sysemu/sev.h" is only used from x86-specific files. Let's move it
to include/hw/i386, and merge it with target/i386/sev.h.
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211007161716.453984-16-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
SEV is a x86 specific feature, and the "sev_i386.h" header
is already in target/i386/. Rename it as "sev.h" to simplify.
Patch created mechanically using:
$ git mv target/i386/sev_i386.h target/i386/sev.h
$ sed -i s/sev_i386.h/sev.h/ $(git grep -l sev_i386.h)
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20211007161716.453984-15-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
SEV is irrelevant on user emulation, so restrict it to sysemu.
Some stubs are still required because used in cpu.c by
x86_register_cpudef_types(), so move the sysemu specific stubs
to sev-sysemu-stub.c instead. This will allow us to simplify
monitor.c (which is not available in user emulation) in the
next commit.
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211007161716.453984-14-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Use g_autofree to remove a pair of g_free/goto.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211007161716.453984-13-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Removes a whole bunch of g_free's and a goto.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Connor Kuehl <ckuehl@redhat.com>
Reviewed-by: Brijesh Singh <brijesh.singh@amd.com>
Message-Id: <20210603113017.34922-1-dgilbert@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211007161716.453984-12-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The unique sev_encrypt_flash() invocation (in pc_system_flash_map)
is protected by the "if (sev_enabled())" check, so is not
reacheable.
Replace the abort() call in sev_es_save_reset_vector() by
g_assert_not_reached() which meaning is clearer.
Reviewed-by: Connor Kuehl <ckuehl@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211007161716.453984-11-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Unused dead code makes review harder, so remove it.
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Connor Kuehl <ckuehl@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211007161716.453984-10-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Commit 00b8105324 ("target-i386: Remove assert_no_error usage")
forgot to add the "qapi/error.h" for &error_abort, add it now.
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Connor Kuehl <ckuehl@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211007161716.453984-8-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
If the management layer tries to inject a secret, it gets an empty
response in case the guest doesn't have SEV enabled, or the binary
is built without SEV:
{ "execute": "sev-inject-launch-secret",
"arguments": { "packet-header": "mypkt", "secret": "mypass", "gpa": 4294959104 }
}
{
"return": {
}
}
Make it clearer by returning an error:
{ "execute": "sev-inject-launch-secret",
"arguments": { "packet-header": "mypkt", "secret": "mypass", "gpa": 4294959104 }
}
{
"error": {
"class": "GenericError",
"desc": "SEV not enabled for guest"
}
}
Note: we will remove the sev_inject_launch_secret() stub in few commits,
so we don't bother to add error_setg() there.
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Connor Kuehl <ckuehl@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211007161716.453984-7-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Multiple errors might be reported to the monitor,
better to prefix the SEV ones so we can distinct them.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20211007161716.453984-6-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
SEV is x86-specific, no need to add its stub to other
architectures. Move the stub file to target/i386/kvm/.
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211007161716.453984-5-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Introduce the i386_softmmu_kvm Meson source set to be able to
add features dependent on CONFIG_KVM.
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211007161716.453984-4-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
There is already a section with various SEV commands / types,
so move the SEV guest attestation together.
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211007161716.453984-3-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
