Differential D29307 Diff 96774 sys/xen/interface/hvm/hvm_vcpu.h

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sys/xen/interface/hvm/hvm_vcpu.h

Show First 20 Lines • Show All 63 Lines • ▼ Show 20 Lines	struct vcpu_hvm_x86_32 {
uint16_t cs_ar;		uint16_t cs_ar;
uint16_t ds_ar;		uint16_t ds_ar;
uint16_t ss_ar;		uint16_t ss_ar;
uint16_t es_ar;		uint16_t es_ar;
uint16_t tr_ar;		uint16_t tr_ar;

uint16_t pad2[3];		uint16_t pad2[3];
};		};
		typedef struct vcpu_hvm_x86_32 xen_vcpu_hvm_x86_32_t;

/*		/*
* The layout of the _ar fields of the segment registers is the		* The layout of the _ar fields of the segment registers is the
* following:		* following:
*		*
* Bits [0,3]: type (bits 40-43).		* Bits [0,3]: type (bits 40-43).
* Bit 4: s (descriptor type, bit 44).		* Bit 4: s (descriptor type, bit 44).
* Bit [5,6]: dpl (descriptor privilege level, bits 45-46).		* Bit [5,6]: dpl (descriptor privilege level, bits 45-46).
Show All 29 Lines	struct vcpu_hvm_x86_64 {
* Using VCPU_HVM_MODE_64B implies that the vCPU is launched		* Using VCPU_HVM_MODE_64B implies that the vCPU is launched
* directly in long mode, so the cached parts of the segment		* directly in long mode, so the cached parts of the segment
* registers get set to match that environment.		* registers get set to match that environment.
*		*
* If the user wants to launch the vCPU in compatibility mode		* If the user wants to launch the vCPU in compatibility mode
* the 32-bit structure should be used instead.		* the 32-bit structure should be used instead.
*/		*/
};		};
		typedef struct vcpu_hvm_x86_64 xen_vcpu_hvm_x86_64_t;

struct vcpu_hvm_context {		struct vcpu_hvm_context {
#define VCPU_HVM_MODE_32B 0 /* 32bit fields of the structure will be used. */		#define VCPU_HVM_MODE_32B 0 /* 32bit fields of the structure will be used. */
#define VCPU_HVM_MODE_64B 1 /* 64bit fields of the structure will be used. */		#define VCPU_HVM_MODE_64B 1 /* 64bit fields of the structure will be used. */
uint32_t mode;		uint32_t mode;

uint32_t pad;		uint32_t pad;

/* CPU registers. */		/* CPU registers. */
union {		union {
struct vcpu_hvm_x86_32 x86_32;		xen_vcpu_hvm_x86_32_t x86_32;
struct vcpu_hvm_x86_64 x86_64;		xen_vcpu_hvm_x86_64_t x86_64;
} cpu_regs;		} cpu_regs;
};		};
typedef struct vcpu_hvm_context vcpu_hvm_context_t;		typedef struct vcpu_hvm_context vcpu_hvm_context_t;
DEFINE_XEN_GUEST_HANDLE(vcpu_hvm_context_t);		DEFINE_XEN_GUEST_HANDLE(vcpu_hvm_context_t);

#endif /* __XEN_PUBLIC_HVM_HVM_VCPU_H__ */		#endif /* __XEN_PUBLIC_HVM_HVM_VCPU_H__ */

/*		/*
* Local variables:		* Local variables:
* mode: C		* mode: C
* c-file-style: "BSD"		* c-file-style: "BSD"
* c-basic-offset: 4		* c-basic-offset: 4
* tab-width: 4		* tab-width: 4
* indent-tabs-mode: nil		* indent-tabs-mode: nil
* End:		* End:
*/		*/