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asm-generic/hyperv: Add definitions for Get/SetVpRegister hypercalls

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Add definitions for GetVpRegister and SetVpRegister hypercalls, which
are implemented for both x86 and ARM64.

Signed-off-by: Michael Kelley <mikelley@microsoft.com>
Link: https://lore.kernel.org/r/20200422195737.10223-5-mikelley@microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
This commit is contained in:
Michael Kelley 2020-04-22 12:57:37 -07:00 committed by Wei Liu
parent c55a844f46
commit 88b42da6e3
1 changed files with 51 additions and 0 deletions
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51
include/asm-generic/hyperv-tlfs.h
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@ -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