On 2013-08-12 17:24, Chris Metcalf wrote:
> This change provides the initial framework support for KVM on tilegx.
> Basic virtual disk and networking is supported.
>
> Signed-off-by: Chris Metcalf <cmetc...@tilera.com>
> ---
...
> diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
> index acccd08..d3879c5 100644
> --- a/include/uapi/linux/kvm.h
> +++ b/include/uapi/linux/kvm.h
> @@ -171,6 +171,7 @@ struct kvm_pit_config {
> #define KVM_EXIT_WATCHDOG 21
> #define KVM_EXIT_S390_TSCH 22
> #define KVM_EXIT_EPR 23
> +#define KVM_EXIT_AGAIN 24
>
> /* For KVM_EXIT_INTERNAL_ERROR */
> /* Emulate instruction failed. */
> @@ -1012,6 +1013,8 @@ struct kvm_s390_ucas_mapping {
> #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad)
> #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init)
> #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
> +/* Reset some SPR registers for tilegx */
> +#define KVM_TILE_RESET_SPR _IO(KVMIO, 0xa8)
The KVM way of doing this is typically GET/SET_SPR, i.e. a way to
read/write the registers from userspace. This will be required for
migration support anyway, I bet.
Jan
--
Siemens AG, Corporate Technology, CT RTC ITP SES-DE
Corporate Competence Center Embedded Linux
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