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Introduce generic hypercall ioctl #128

Merged
merged 6 commits into from
Apr 23, 2024
Merged

Introduce generic hypercall ioctl #128

merged 6 commits into from
Apr 23, 2024

Commits on Apr 18, 2024

  1. ioctls: Amend conversion from mshv_root_hvcall to MshvError 

    Don't use "EIO" as a special code for determining whether there is
a hypercall error. Simply check if there is a hypercall error code.

Signed-off-by: Nuno Das Neves <nudasnev@microsoft.com>
    @NunoDasNeves
    NunoDasNeves committed Apr 18, 2024
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  2. ioctls: tests: Check install_intercept() result with is_ok() 

    Signed-off-by: Nuno Das Neves <nudasnev@microsoft.com>
    @NunoDasNeves
    NunoDasNeves committed Apr 18, 2024
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  3. ioctls: Add generic hypercall ioctl function 

    Signed-off-by: Nuno Das Neves <nudasnev@microsoft.com>
    @NunoDasNeves
    NunoDasNeves committed Apr 18, 2024
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  4. bindings: Add hvcall.rs with utilities for generic hvcall ioctl 

    Signed-off-by: Nuno Das Neves <nudasnev@microsoft.com>
    @NunoDasNeves
    NunoDasNeves committed Apr 18, 2024
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  5. ioctls/vcpu: Add index field to vcpu fd 

    This will be used with the generic hvcall ioctl for vcpus.

Signed-off-by: Nuno Das Neves <nudasnev@microsoft.com>
    @NunoDasNeves
    NunoDasNeves committed Apr 18, 2024
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Commits on Apr 23, 2024

  1. ioctls: Implement hvcall_ versions of various IOCTLs 

    While leaving existing implementations untouched.

Add:
- VmFd::hvcall_set_partition_property
- VcpuFd::hvcall_translate_gva
- VcpuFd::hvcall_get_cpuid_values
- VcpuFd::hvcall_get_reg
- VcpuFd::hvcall_set_reg

Add tests for the above.

Signed-off-by: Nuno Das Neves <nudasnev@microsoft.com>
    @NunoDasNeves
    NunoDasNeves committed Apr 23, 2024
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