From 88b42da6e3dc9adbdc3d7e1a9293ddf3d84f1021 Mon Sep 17 00:00:00 2001 From: Michael Kelley Date: Wed, 22 Apr 2020 12:57:37 -0700 Subject: asm-generic/hyperv: Add definitions for Get/SetVpRegister hypercalls Add definitions for GetVpRegister and SetVpRegister hypercalls, which are implemented for both x86 and ARM64. Signed-off-by: Michael Kelley Link: https://lore.kernel.org/r/20200422195737.10223-5-mikelley@microsoft.com Signed-off-by: Wei Liu --- include/asm-generic/hyperv-tlfs.h | 51 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) (limited to 'include/asm-generic/hyperv-tlfs.h') 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 -- cgit v1.2.3-59-g8ed1b