Differential D14473 Diff 39622 stand/userboot/userboot.h

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stand/userboot/userboot.h

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* Version 4 added more generic callbacks for setting up		* Version 4 added more generic callbacks for setting up
* registers and descriptors. The callback structure is		* registers and descriptors. The callback structure is
* backward compatible (new callbacks have been added at		* backward compatible (new callbacks have been added at
* the tail end).		* the tail end).
*/		*/
#define USERBOOT_VERSION_4 4		#define USERBOOT_VERSION_4 4

/*		/*
		* Version 5 adds callbacks to set unrestricted guest
		fabian.freyer_physik.tu-berlin.deAuthorUnsubmitted Done Inline Actions Tbh this is no longer true, so I will update the patch to fix the comment fabian.freyer_physik.tu-berlin.de: Tbh this is no longer true, so I will update the patch to fix the comment
		* capabilities and reset the vcpu state. The callback
		* structure backward compatible (new callbacks have
		* been added at the tail end).
		*/
		#define USERBOOT_VERSION_5 5

		/*
* Exit codes from the loader		* Exit codes from the loader
*/		*/
#define USERBOOT_EXIT_QUIT 1		#define USERBOOT_EXIT_QUIT 1
#define USERBOOT_EXIT_REBOOT 2		#define USERBOOT_EXIT_REBOOT 2

struct loader_callbacks {		struct loader_callbacks {
/*		/*
* Console i/o		* Console i/o
▲ Show 20 Lines • Show All 152 Lines • ▼ Show 20 Lines	struct loader_callbacks {
char * (getenv)(void arg, int num);		char * (getenv)(void arg, int num);

/*		/*
* Version 4 additions.		* Version 4 additions.
*/		*/
int (vm_set_register)(void arg, int vcpu, int reg, uint64_t val);		int (vm_set_register)(void arg, int vcpu, int reg, uint64_t val);
int (vm_set_desc)(void arg, int vcpu, int reg, uint64_t base,		int (vm_set_desc)(void arg, int vcpu, int reg, uint64_t base,
u_int limit, u_int access);		u_int limit, u_int access);

		/*
		* Version 5 additions.
		*
		* vm_get_unrestricted_guest checks support for the UNRESTRICTED_GUEST
		* capability and if supported, sets 'retval'. If unsupported, an error
		* code is returned.
		*
		* vm_set_unrestricted_guest sets the UNRESTRICTED_GUEST capability if
		* supported, and returns an error code otherwise.
		*
		* vcpu_reset initializes the vCPU state as defined in
		* Intel Vol 3a, Table 9.1. IA-32 Processor States Following Power-up,
		* Reset or INIT
		*/
		int (vm_get_unrestricted_guest)(void arg, int vcpu, int *retval);
		int (vm_set_unrestricted_guest)(void arg, int vcpu, int val);
		int (vcpu_reset)(void arg, int vcpu);
};		};