Define the `hv_vp_register_page` structure that the linux kernel uses to allow access to vcpu registers.
This structure is going to be used in later patches to access vcpu registers. Signed-off-by: Doru Blânzeanu <[email protected]> --- include/hw/hyperv/hvgdk.h | 2 + include/hw/hyperv/hvhdk.h | 105 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 107 insertions(+) diff --git a/include/hw/hyperv/hvgdk.h b/include/hw/hyperv/hvgdk.h index 71161f477c..e4be861716 100644 --- a/include/hw/hyperv/hvgdk.h +++ b/include/hw/hyperv/hvgdk.h @@ -9,6 +9,8 @@ #ifndef HW_HYPERV_HVGDK_H #define HW_HYPERV_HVGDK_H +#include "hvgdk_mini.h" + #define HVGDK_H_VERSION (25125) enum hv_unimplemented_msr_action { diff --git a/include/hw/hyperv/hvhdk.h b/include/hw/hyperv/hvhdk.h index 41af743847..4a3b543893 100644 --- a/include/hw/hyperv/hvhdk.h +++ b/include/hw/hyperv/hvhdk.h @@ -9,7 +9,11 @@ #ifndef HW_HYPERV_HVHDK_H #define HW_HYPERV_HVHDK_H +#include "hvgdk.h" +#include "hvhdk_mini.h" + #define HV_PARTITION_SYNTHETIC_PROCESSOR_FEATURES_BANKS 1 +#define HV_VP_REGISTER_PAGE_MAX_VECTOR_COUNT 7 struct hv_input_set_partition_property { uint64_t partition_id; @@ -246,4 +250,105 @@ typedef struct hv_input_register_intercept_result { union hv_register_intercept_result_parameters parameters; } QEMU_PACKED hv_input_register_intercept_result; +/* Flags for dirty mask of hv_vp_register_page */ +enum hv_x64_register_class_type { + HV_X64_REGISTER_CLASS_GENERAL = 0, + HV_X64_REGISTER_CLASS_IP = 1, + HV_X64_REGISTER_CLASS_XMM = 2, + HV_X64_REGISTER_CLASS_SEGMENT = 3, + HV_X64_REGISTER_CLASS_FLAGS = 4, +}; + +union hv_vp_register_page_interrupt_vectors { + uint64_t as_uint64; + struct { + uint8_t vector_count; + uint8_t vector[HV_VP_REGISTER_PAGE_MAX_VECTOR_COUNT]; + }; +}; + +struct hv_vp_register_page { + uint16_t version; + uint8_t isvalid; + uint8_t rsvdz; + uint32_t dirty; + + union { + struct { + /* General purpose registers (HV_X64_REGISTER_CLASS_GENERAL) */ + union { + struct { + uint64_t rax; + uint64_t rcx; + uint64_t rdx; + uint64_t rbx; + uint64_t rsp; + uint64_t rbp; + uint64_t rsi; + uint64_t rdi; + uint64_t r8; + uint64_t r9; + uint64_t r10; + uint64_t r11; + uint64_t r12; + uint64_t r13; + uint64_t r14; + uint64_t r15; + } QEMU_PACKED; + + uint64_t gp_registers[16]; + }; + /* Instruction pointer (HV_X64_REGISTER_CLASS_IP) */ + uint64_t rip; + /* Flags (HV_X64_REGISTER_CLASS_FLAGS) */ + uint64_t rflags; + } QEMU_PACKED; + + uint64_t registers[18]; + }; + uint8_t reserved[8]; + /* Volatile XMM registers (HV_X64_REGISTER_CLASS_XMM) */ + union { + struct { + struct hv_u128 xmm0; + struct hv_u128 xmm1; + struct hv_u128 xmm2; + struct hv_u128 xmm3; + struct hv_u128 xmm4; + struct hv_u128 xmm5; + } QEMU_PACKED; + + struct hv_u128 xmm_registers[6]; + }; + /* Segment registers (HV_X64_REGISTER_CLASS_SEGMENT) */ + union { + struct { + struct hv_x64_segment_register es; + struct hv_x64_segment_register cs; + struct hv_x64_segment_register ss; + struct hv_x64_segment_register ds; + struct hv_x64_segment_register fs; + struct hv_x64_segment_register gs; + } QEMU_PACKED; + + struct hv_x64_segment_register segment_registers[6]; + }; + /* Misc. control registers (cannot be set via this interface) */ + uint64_t cr0; + uint64_t cr3; + uint64_t cr4; + uint64_t cr8; + uint64_t efer; + uint64_t dr7; + union hv_x64_pending_interruption_register pending_interruption; + union hv_x64_interrupt_state_register interrupt_state; + uint64_t instruction_emulation_hints; + uint64_t xfem; + + uint8_t reserved1[0x100]; + + /* Interrupts injected as part of HvCallDispatchVp. */ + union hv_vp_register_page_interrupt_vectors interrupt_vectors; +} QEMU_PACKED; + #endif /* HW_HYPERV_HVHDK_H */ -- 2.53.0
