diff options
Diffstat (limited to 'sys/amd64/include/vmm.h')
| -rw-r--r-- | sys/amd64/include/vmm.h | 49 |
1 files changed, 36 insertions, 13 deletions
diff --git a/sys/amd64/include/vmm.h b/sys/amd64/include/vmm.h index 52294bd..1a4e5ab 100644 --- a/sys/amd64/include/vmm.h +++ b/sys/amd64/include/vmm.h @@ -120,13 +120,18 @@ struct vm_object; struct vm_guest_paging; struct pmap; +struct vm_eventinfo { + void *rptr; /* rendezvous cookie */ + int *sptr; /* suspend cookie */ + int *iptr; /* reqidle cookie */ +}; + typedef int (*vmm_init_func_t)(int ipinum); typedef int (*vmm_cleanup_func_t)(void); typedef void (*vmm_resume_func_t)(void); typedef void * (*vmi_init_func_t)(struct vm *vm, struct pmap *pmap); typedef int (*vmi_run_func_t)(void *vmi, int vcpu, register_t rip, - struct pmap *pmap, void *rendezvous_cookie, - void *suspend_cookie); + struct pmap *pmap, struct vm_eventinfo *info); typedef void (*vmi_cleanup_func_t)(void *vmi); typedef int (*vmi_get_register_t)(void *vmi, int vcpu, int num, uint64_t *retval); @@ -204,13 +209,13 @@ int vm_get_x2apic_state(struct vm *vm, int vcpu, enum x2apic_state *state); int vm_set_x2apic_state(struct vm *vm, int vcpu, enum x2apic_state state); int vm_apicid2vcpuid(struct vm *vm, int apicid); int vm_activate_cpu(struct vm *vm, int vcpu); -cpuset_t vm_active_cpus(struct vm *vm); -cpuset_t vm_suspended_cpus(struct vm *vm); struct vm_exit *vm_exitinfo(struct vm *vm, int vcpuid); void vm_exit_suspended(struct vm *vm, int vcpuid, uint64_t rip); void vm_exit_rendezvous(struct vm *vm, int vcpuid, uint64_t rip); void vm_exit_astpending(struct vm *vm, int vcpuid, uint64_t rip); +void vm_exit_reqidle(struct vm *vm, int vcpuid, uint64_t rip); +#ifdef _SYS__CPUSET_H_ /* * Rendezvous all vcpus specified in 'dest' and execute 'func(arg)'. * The rendezvous 'func(arg)' is not allowed to do anything that will @@ -228,19 +233,29 @@ void vm_exit_astpending(struct vm *vm, int vcpuid, uint64_t rip); typedef void (*vm_rendezvous_func_t)(struct vm *vm, int vcpuid, void *arg); void vm_smp_rendezvous(struct vm *vm, int vcpuid, cpuset_t dest, vm_rendezvous_func_t func, void *arg); +cpuset_t vm_active_cpus(struct vm *vm); +cpuset_t vm_suspended_cpus(struct vm *vm); +#endif /* _SYS__CPUSET_H_ */ static __inline int -vcpu_rendezvous_pending(void *rendezvous_cookie) +vcpu_rendezvous_pending(struct vm_eventinfo *info) { - return (*(uintptr_t *)rendezvous_cookie != 0); + return (*((uintptr_t *)(info->rptr)) != 0); } static __inline int -vcpu_suspended(void *suspend_cookie) +vcpu_suspended(struct vm_eventinfo *info) { - return (*(int *)suspend_cookie); + return (*info->sptr); +} + +static __inline int +vcpu_reqidle(struct vm_eventinfo *info) +{ + + return (*info->iptr); } /* @@ -274,7 +289,13 @@ vcpu_is_running(struct vm *vm, int vcpu, int *hostcpu) static int __inline vcpu_should_yield(struct vm *vm, int vcpu) { - return (curthread->td_flags & (TDF_ASTPENDING | TDF_NEEDRESCHED)); + + if (curthread->td_flags & (TDF_ASTPENDING | TDF_NEEDRESCHED)) + return (1); + else if (curthread->td_owepreempt) + return (1); + else + return (0); } #endif @@ -343,9 +364,10 @@ struct vm_copyinfo { * at 'gla' and 'len' bytes long. The 'prot' should be set to PROT_READ for * a copyin or PROT_WRITE for a copyout. * - * Returns 0 on success. - * Returns 1 if an exception was injected into the guest. - * Returns -1 otherwise. + * retval is_fault Intepretation + * 0 0 Success + * 0 1 An exception was injected into the guest + * EFAULT N/A Unrecoverable error * * The 'copyinfo[]' can be passed to 'vm_copyin()' or 'vm_copyout()' only if * the return value is 0. The 'copyinfo[]' resources should be freed by calling @@ -353,7 +375,7 @@ struct vm_copyinfo { */ int vm_copy_setup(struct vm *vm, int vcpuid, struct vm_guest_paging *paging, uint64_t gla, size_t len, int prot, struct vm_copyinfo *copyinfo, - int num_copyinfo); + int num_copyinfo, int *is_fault); void vm_copy_teardown(struct vm *vm, int vcpuid, struct vm_copyinfo *copyinfo, int num_copyinfo); void vm_copyin(struct vm *vm, int vcpuid, struct vm_copyinfo *copyinfo, @@ -497,6 +519,7 @@ enum vm_exitcode { VM_EXITCODE_MONITOR, VM_EXITCODE_MWAIT, VM_EXITCODE_SVM, + VM_EXITCODE_REQIDLE, VM_EXITCODE_MAX }; |
