Michael Kelley <mikelley@xxxxxxxxxxxxx> writes:
> Add definitions for GetVpRegister and SetVpRegister hypercalls, which
> are implemented for both x86 and ARM64.
>
> Signed-off-by: Michael Kelley <mikelley@xxxxxxxxxxxxx>
> ---
> include/asm-generic/hyperv-tlfs.h | 51 +++++++++++++++++++++++++++++++
> 1 file changed, 51 insertions(+)
>
> diff --git a/include/asm-generic/hyperv-tlfs.h b/include/asm-generic/hyperv-tlfs.h
> index 1f92ef92eb56..262fae9526b1 100644
> --- a/include/asm-generic/hyperv-tlfs.h
> +++ b/include/asm-generic/hyperv-tlfs.h
> @@ -141,6 +141,8 @@ struct ms_hyperv_tsc_page {
> #define HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE_EX 0x0013
> #define HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST_EX 0x0014
> #define HVCALL_SEND_IPI_EX 0x0015
> +#define HVCALL_GET_VP_REGISTERS 0x0050
> +#define HVCALL_SET_VP_REGISTERS 0x0051
> #define HVCALL_POST_MESSAGE 0x005c
> #define HVCALL_SIGNAL_EVENT 0x005d
> #define HVCALL_RETARGET_INTERRUPT 0x007e
> @@ -439,4 +441,53 @@ struct hv_retarget_device_interrupt {
> struct hv_device_interrupt_target int_target;
> } __packed __aligned(8);
>
> +
> +/* HvGetVpRegisters hypercall input with variable size reg name list*/
> +struct hv_get_vp_registers_input {
> + struct {
> + u64 partitionid;
> + u32 vpindex;
> + u8 inputvtl;
> + u8 padding[3];
> + } header;
> + struct input {
> + u32 name0;
> + u32 name1;
> + } element[];
> +} __packed;
> +
> +
> +/* HvGetVpRegisters returns an array of these output elements */
> +struct hv_get_vp_registers_output {
> + union {
> + struct {
> + u32 a;
> + u32 b;
> + u32 c;
> + u32 d;
> + } as32 __packed;
> + struct {
> + u64 low;
> + u64 high;
> + } as64 __packed;
> + };
> +};
> +
> +/* HvSetVpRegisters hypercall with variable size reg name/value list*/
> +struct hv_set_vp_registers_input {
> + struct {
> + u64 partitionid;
> + u32 vpindex;
> + u8 inputvtl;
> + u8 padding[3];
> + } header;
> + struct {
> + u32 name;
> + u32 padding1;
> + u64 padding2;
> + u64 valuelow;
> + u64 valuehigh;
> + } element[];
> +} __packed;
> +
> #endif
Thank you for making these changes,
Reviewed-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
--
Vitaly
