KVM: selftests: Replace "paddr" with "gpa" throughout

Replace all variations of "paddr" variables in KVM selftests with "gpa",
with the exception of the ELF structures, as those fields are not speci

KVM: selftests: Replace "paddr" with "gpa" throughout

Replace all variations of "paddr" variables in KVM selftests with "gpa",
with the exception of the ELF structures, as those fields are not specific
to guest virtual addresses, to complete the conversion from vm_paddr_t to
gpa_t.

No functional change intended.

Link: https://patch.msgid.link/20260420212004.3938325-20-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>

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KVM: selftests: Replace "vaddr" with "gva" throughout

Replace all variations of "vaddr" variables in KVM selftests with "gva",
with the exception of the ELF structures, as those fields are not speci

KVM: selftests: Replace "vaddr" with "gva" throughout

Replace all variations of "vaddr" variables in KVM selftests with "gva",
with the exception of the ELF structures, as those fields are not specific
to guest virtual addresses, to complete the conversion from vm_vaddr_t to
gva_t.

Opportunistically use gva_t instead of u64 for relevant variables, and
fixup indentation as appropriate.

No functional change intended.

Link: https://patch.msgid.link/20260420212004.3938325-17-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>

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KVM: selftests: Rename vm_vaddr_unused_gap() => vm_unused_gva_gap()

Now that KVM selftests use gva_t instead of vm_vaddr_t, rename the API
for finding an unused range of virtual memory to drop the d

KVM: selftests: Rename vm_vaddr_unused_gap() => vm_unused_gva_gap()

Now that KVM selftests use gva_t instead of vm_vaddr_t, rename the API
for finding an unused range of virtual memory to drop the defunct
terminology and use "vm" for the scope.

Opportunistically clean up the function comment to drop superfluous
and redundant information.

No functional change intended.

Link: https://patch.msgid.link/20260420212004.3938325-13-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>

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KVM: selftests: Drop "vaddr_" from APIs that allocate memory for a given VM

Now that KVM selftests use gva_t instead of vm_vaddr_t, drop "vaddr_" from
the core memory allocation APIs as the informat

KVM: selftests: Drop "vaddr_" from APIs that allocate memory for a given VM

Now that KVM selftests use gva_t instead of vm_vaddr_t, drop "vaddr_" from
the core memory allocation APIs as the information is extraneous and does
more harm than good. E.g. the APIs don't _just_ allocate virtual memory,
they allocate backing physical memory and install mappings in the guest
page tables. And as proven by kmalloc() and malloc(), developers generally
expect that allocations come with a working virtual address.

Opportunistically clean up the function comment for vm_alloc(), and drop
the misleading and superfluous comments for its wrappers.

No functional change intended.

Link: https://patch.msgid.link/20260420212004.3938325-12-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>

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KVM: selftests: Use u8 instead of uint8_t

Use u8 instead of uint8_t to make the KVM selftests code more concise
and more similar to the kernel (since selftests are primarily developed
by kernel deve

KVM: selftests: Use u8 instead of uint8_t

Use u8 instead of uint8_t to make the KVM selftests code more concise
and more similar to the kernel (since selftests are primarily developed
by kernel developers).

This commit was generated with the following command:

git ls-files tools/testing/selftests/kvm | xargs sed -i 's/uint8_t/u8/g'

Then by manually adjusting whitespace to make checkpatch.pl happy.

No functional change intended.

Signed-off-by: David Matlack <dmatlack@google.com>
Link: https://patch.msgid.link/20260420212004.3938325-11-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>

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KVM: selftests: Use u32 instead of uint32_t

Use u32 instead of uint32_t to make the KVM selftests code more concise
and more similar to the kernel (since selftests are primarily developed
by kernel

KVM: selftests: Use u32 instead of uint32_t

Use u32 instead of uint32_t to make the KVM selftests code more concise
and more similar to the kernel (since selftests are primarily developed
by kernel developers).

This commit was generated with the following command:

git ls-files tools/testing/selftests/kvm | xargs sed -i 's/uint32_t/u32/g'

Then by manually adjusting whitespace to make checkpatch.pl happy.

No functional change intended.

Signed-off-by: David Matlack <dmatlack@google.com>
Link: https://patch.msgid.link/20260420212004.3938325-7-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>

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KVM: selftests: Use u64 instead of uint64_t

Use u64 instead of uint64_t to make the KVM selftests code more concise
and more similar to the kernel (since selftests are primarily developed
by kernel

KVM: selftests: Use u64 instead of uint64_t

Use u64 instead of uint64_t to make the KVM selftests code more concise
and more similar to the kernel (since selftests are primarily developed
by kernel developers).

This commit was generated with the following command:

git ls-files tools/testing/selftests/kvm | xargs sed -i 's/uint64_t/u64/g'

Then by manually adjusting whitespace to make checkpatch.pl happy.

Include <linux/types.h> in include/kvm_util_types.h, iinclude/test_util.h,
and include/x86/pmu.h to pick up the tools-defined u64. Arguably, all
headers (especially kvm_util_types.h) should have already been including
stdint.h to get uint64_t from the libc headers, but the missing dependency
only rears its head once KVM uses u64 instead of uint64_t.

No functional change intended.

Signed-off-by: David Matlack <dmatlack@google.com>
[sean: rename pread_uint64() => pread_u64, expand on types.h include]
Link: https://patch.msgid.link/20260420212004.3938325-5-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>

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KVM: selftests: Use gpa_t instead of vm_paddr_t

Replace all occurrences of vm_paddr_t with gpa_t to align with KVM code
and with the conversion helpers (e.g. addr_hva2gpa()).

This commit was genera

KVM: selftests: Use gpa_t instead of vm_paddr_t

Replace all occurrences of vm_paddr_t with gpa_t to align with KVM code
and with the conversion helpers (e.g. addr_hva2gpa()).

This commit was generated with the following command:

git ls-files tools/testing/selftests/kvm | xargs sed -i 's/vm_paddr_/gpa_/g'

Then by manually adjusting whitespace to make checkpatch.pl happy.

No functional change intended.

Signed-off-by: David Matlack <dmatlack@google.com>
[sean: drop bogus changelog blurb about renaming functions]
Link: https://patch.msgid.link/20260420212004.3938325-3-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>

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KVM: selftests: Use gva_t instead of vm_vaddr_t

Replace all occurrences of vm_vaddr_t with gva_t to align with KVM code
and with the conversion helpers (e.g. addr_gva2hva()).

This commit was genera

KVM: selftests: Use gva_t instead of vm_vaddr_t

Replace all occurrences of vm_vaddr_t with gva_t to align with KVM code
and with the conversion helpers (e.g. addr_gva2hva()).

This commit was generated with the following command:

git ls-files tools/testing/selftests/kvm | xargs sed -i 's/vm_vaddr_/gva_/g'

Then by manually adjusting whitespace to make checkpatch.pl happy, and
dropping renames of functions that allocate memory within a given VM.

No functional change intended.

Signed-off-by: David Matlack <dmatlack@google.com>
[sean: drop renames of allocator APIs]
Link: https://patch.msgid.link/20260420212004.3938325-2-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>

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KVM: LoongArch: selftests: Add basic PMU event counting test

Introduce a basic PMU test that verifies hardware event counting for
four performance counters. The test enables the events for CPU cycle

KVM: LoongArch: selftests: Add basic PMU event counting test

Introduce a basic PMU test that verifies hardware event counting for
four performance counters. The test enables the events for CPU cycles,
instructions retired, branch instructions, and branch misses, runs a
fixed number of loops, and checks that the counter values fall within
expected ranges. It also validates that the host supports PMU and that
the VM feature is enabled.

Signed-off-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>

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KVM: LoongArch: selftests: Add cpucfg read/write helpers

Add helper macros and functions to read and write CPU configuration
registers (cpucfg) from the guest and from the VMM. This interface is
req

KVM: LoongArch: selftests: Add cpucfg read/write helpers

Add helper macros and functions to read and write CPU configuration
registers (cpucfg) from the guest and from the VMM. This interface is
required in upcoming selftests for querying and setting CPU features,
such as PMU capabilities.

Signed-off-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>

show more ...