diff options
Diffstat (limited to 'sys/arm64/include/vmm.h')
| -rw-r--r-- | sys/arm64/include/vmm.h | 74 |
1 files changed, 29 insertions, 45 deletions
diff --git a/sys/arm64/include/vmm.h b/sys/arm64/include/vmm.h index 8e2c9c868635..1d783cdacb0d 100644 --- a/sys/arm64/include/vmm.h +++ b/sys/arm64/include/vmm.h @@ -102,14 +102,30 @@ enum vm_reg_name { #define VM_INTINFO_HWEXCEPTION (3 << 8) #define VM_INTINFO_SWINTR (4 << 8) -#define VM_MAX_SUFFIXLEN 15 - #define VM_GUEST_BASE_IPA 0x80000000UL /* Guest kernel start ipa */ -#ifdef _KERNEL - -#define VM_MAX_NAMELEN 32 +/* + * The VM name has to fit into the pathname length constraints of devfs, + * governed primarily by SPECNAMELEN. The length is the total number of + * characters in the full path, relative to the mount point and not + * including any leading '/' characters. + * A prefix and a suffix are added to the name specified by the user. + * The prefix is usually "vmm/" or "vmm.io/", but can be a few characters + * longer for future use. + * The suffix is a string that identifies a bootrom image or some similar + * image that is attached to the VM. A separator character gets added to + * the suffix automatically when generating the full path, so it must be + * accounted for, reducing the effective length by 1. + * The effective length of a VM name is 229 bytes for FreeBSD 13 and 37 + * bytes for FreeBSD 12. A minimum length is set for safety and supports + * a SPECNAMELEN as small as 32 on old systems. + */ +#define VM_MAX_PREFIXLEN 10 +#define VM_MAX_SUFFIXLEN 15 +#define VM_MAX_NAMELEN \ + (SPECNAMELEN - VM_MAX_PREFIXLEN - VM_MAX_SUFFIXLEN - 1) +#ifdef _KERNEL struct vm; struct vm_exception; struct vm_exit; @@ -127,44 +143,13 @@ struct vm_eventinfo { int vm_create(const char *name, struct vm **retvm); struct vcpu *vm_alloc_vcpu(struct vm *vm, int vcpuid); +void vm_disable_vcpu_creation(struct vm *vm); void vm_slock_vcpus(struct vm *vm); void vm_unlock_vcpus(struct vm *vm); void vm_destroy(struct vm *vm); int vm_reinit(struct vm *vm); const char *vm_name(struct vm *vm); -/* - * APIs that modify the guest memory map require all vcpus to be frozen. - */ -void vm_slock_memsegs(struct vm *vm); -void vm_xlock_memsegs(struct vm *vm); -void vm_unlock_memsegs(struct vm *vm); -int vm_mmap_memseg(struct vm *vm, vm_paddr_t gpa, int segid, vm_ooffset_t off, - size_t len, int prot, int flags); -int vm_munmap_memseg(struct vm *vm, vm_paddr_t gpa, size_t len); -int vm_alloc_memseg(struct vm *vm, int ident, size_t len, bool sysmem); -void vm_free_memseg(struct vm *vm, int ident); - -/* - * APIs that inspect the guest memory map require only a *single* vcpu to - * be frozen. This acts like a read lock on the guest memory map since any - * modification requires *all* vcpus to be frozen. - */ -int vm_mmap_getnext(struct vm *vm, vm_paddr_t *gpa, int *segid, - vm_ooffset_t *segoff, size_t *len, int *prot, int *flags); -int vm_get_memseg(struct vm *vm, int ident, size_t *len, bool *sysmem, - struct vm_object **objptr); -vm_paddr_t vmm_sysmem_maxaddr(struct vm *vm); -void *vm_gpa_hold(struct vcpu *vcpu, vm_paddr_t gpa, size_t len, - int prot, void **cookie); -void *vm_gpa_hold_global(struct vm *vm, vm_paddr_t gpa, size_t len, - int prot, void **cookie); -void vm_gpa_release(void *cookie); -bool vm_mem_allocated(struct vcpu *vcpu, vm_paddr_t gpa); - -int vm_gla2gpa_nofault(struct vcpu *vcpu, struct vm_guest_paging *paging, - uint64_t gla, int prot, uint64_t *gpa, int *is_fault); - uint16_t vm_get_maxcpus(struct vm *vm); void vm_get_topology(struct vm *vm, uint16_t *sockets, uint16_t *cores, uint16_t *threads, uint16_t *maxcpus); @@ -200,13 +185,6 @@ cpuset_t vm_active_cpus(struct vm *vm); cpuset_t vm_debug_cpus(struct vm *vm); cpuset_t vm_suspended_cpus(struct vm *vm); -static __inline bool -virt_enabled(void) -{ - - return (has_hyp()); -} - static __inline int vcpu_rendezvous_pending(struct vm_eventinfo *info) { @@ -252,6 +230,8 @@ vcpu_should_yield(struct vcpu *vcpu) void *vcpu_stats(struct vcpu *vcpu); void vcpu_notify_event(struct vcpu *vcpu); +struct vmspace *vm_vmspace(struct vm *vm); +struct vm_mem *vm_mem(struct vm *vm); enum vm_reg_name vm_segment_name(int seg_encoding); @@ -295,9 +275,11 @@ struct vre { */ enum vm_cap_type { VM_CAP_HALT_EXIT, - VM_CAP_MTRAP_EXIT, VM_CAP_PAUSE_EXIT, VM_CAP_UNRESTRICTED_GUEST, + VM_CAP_BRK_EXIT, + VM_CAP_SS_EXIT, + VM_CAP_MASK_HWINTR, VM_CAP_MAX }; @@ -312,6 +294,8 @@ enum vm_exitcode { VM_EXITCODE_PAGING, VM_EXITCODE_SMCCC, VM_EXITCODE_DEBUG, + VM_EXITCODE_BRK, + VM_EXITCODE_SS, VM_EXITCODE_MAX }; |