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Differential D14473 Diff 39653 stand/userboot/userboot.h

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stand/userboot/userboot.h

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*/ */
#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
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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
*/ */
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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);
}; };
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