On Sat, Nov 10, 2012 at 03:43:21PM +0000, Christoffer Dall wrote:
> The following three ioctls are implemented:
> - KVM_GET_REG_LIST
> - KVM_GET_ONE_REG
> - KVM_SET_ONE_REG
[...]
> diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt
> index 845ceda..9671cd2 100644
> --- a/Documentation/virtual/kvm/api.txt
> +++ b/Documentation/virtual/kvm/api.txt
> @@ -1798,6 +1798,11 @@ is the register group type, or coprocessor number:
> ARM core registers have the following id bit patterns:
> 0x4002 0000 0010 <index into the kvm_regs struct:16>
>
> +ARM 32-bit CP15 registers have the following id bit patterns:
> + 0x4002 0000 000F <zero:1> <crn:4> <crm:4> <opc1:4> <opc2:3>
> +
> +ARM 64-bit CP15 registers have the following id bit patterns:
> + 0x4003 0000 000F <zero:1> <zero:4> <crm:4> <opc1:4> <zero:3>
>
>
> 4.69 KVM_GET_ONE_REG
> @@ -2139,6 +2144,45 @@ This ioctl returns the guest registers that are supported for the
> KVM_GET_ONE_REG/KVM_SET_ONE_REG calls.
>
>
> +4.77 KVM_ARM_VCPU_INIT
> +
> +Capability: basic
> +Architectures: arm
> +Type: vcpu ioctl
> +Parameters: struct struct kvm_vcpu_init (in)
> +Returns: 0 on success; -1 on error
> +Errors:
> + EINVAL: the target is unknown, or the combination of features is invalid.
> + ENOENT: a features bit specified is unknown.
> +
> +This tells KVM what type of CPU to present to the guest, and what
> +optional features it should have. This will cause a reset of the cpu
> +registers to their initial values. If this is not called, KVM_RUN will
> +return ENOEXEC for that vcpu.
> +
> +Note that because some registers reflect machine topology, all vcpus
> +should be created before this ioctl is invoked.
> +
> +4.78 KVM_GET_REG_LIST
> +
> +Capability: basic
> +Architectures: arm
> +Type: vcpu ioctl
> +Parameters: struct kvm_reg_list (in/out)
> +Returns: 0 on success; -1 on error
> +Errors:
> + E2BIG: the reg index list is too big to fit in the array specified by
> + the user (the number required will be written into n).
> +
> +struct kvm_reg_list {
> + __u64 n; /* number of registers in reg[] */
> + __u64 reg[0];
> +};
> +
> +This ioctl returns the guest registers that are supported for the
> +KVM_GET_ONE_REG/KVM_SET_ONE_REG calls.
> +
> +
You already added this hunk earlier (and looking at the final result,
you do end up wih two entries for 4.77 and 4.78).
Will
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