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head/sys/amd64/include/vmm.h
| Show First 20 Lines • Show All 339 Lines • ▼ Show 20 Lines | struct vm_copyinfo { | ||||
| void *cookie; | void *cookie; | ||||
| }; | }; | ||||
| /* | /* | ||||
| * Set up 'copyinfo[]' to copy to/from guest linear address space starting | * Set up 'copyinfo[]' to copy to/from guest linear address space starting | ||||
| * at 'gla' and 'len' bytes long. The 'prot' should be set to PROT_READ for | * at 'gla' and 'len' bytes long. The 'prot' should be set to PROT_READ for | ||||
| * a copyin or PROT_WRITE for a copyout. | * a copyin or PROT_WRITE for a copyout. | ||||
| * | * | ||||
| * Returns 0 on success. | * retval is_fault Intepretation | ||||
| * Returns 1 if an exception was injected into the guest. | * 0 0 Success | ||||
| * Returns -1 otherwise. | * 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 '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 | * the return value is 0. The 'copyinfo[]' resources should be freed by calling | ||||
| * 'vm_copy_teardown()' after the copy is done. | * 'vm_copy_teardown()' after the copy is done. | ||||
| */ | */ | ||||
| int vm_copy_setup(struct vm *vm, int vcpuid, struct vm_guest_paging *paging, | 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, | 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, | void vm_copy_teardown(struct vm *vm, int vcpuid, struct vm_copyinfo *copyinfo, | ||||
| int num_copyinfo); | int num_copyinfo); | ||||
| void vm_copyin(struct vm *vm, int vcpuid, struct vm_copyinfo *copyinfo, | void vm_copyin(struct vm *vm, int vcpuid, struct vm_copyinfo *copyinfo, | ||||
| void *kaddr, size_t len); | void *kaddr, size_t len); | ||||
| void vm_copyout(struct vm *vm, int vcpuid, const void *kaddr, | void vm_copyout(struct vm *vm, int vcpuid, const void *kaddr, | ||||
| struct vm_copyinfo *copyinfo, size_t len); | struct vm_copyinfo *copyinfo, size_t len); | ||||
| int vcpu_trace_exceptions(struct vm *vm, int vcpuid); | int vcpu_trace_exceptions(struct vm *vm, int vcpuid); | ||||
| ▲ Show 20 Lines • Show All 275 Lines • Show Last 20 Lines | |||||