Function at 0x1400b1964
Capabilities:
Unmount volume via ioctl

Disassembly:
mov qword [rsp + 8], rbx
mov qword [rsp + 0x10], rsi
mov qword [rsp + 0x20], rdi
push rbp
push r12
push r13
push r14
push r15
mov rbp, rsp
sub rsp, 0x80
xor ebx, ebx
mov rdi, rdx
mov r14, rcx
mov dword [rbp + 0x40], ebx
xor edx, edx
lea rcx, [rbp - 0x40]
lea r15d, [rbx + 0x20]
lea r12d, [rbx + 1]
mov r8d, r15d
mov esi, r12d
call sub.msvcrt.dll_memset
mov r8d, r15d
lea rcx, [rbp - 0x20]
xor edx, edx
call sub.msvcrt.dll_memset
xor r9d, r9d
xor r8d, r8d
mov edx, r12d
xor ecx, ecx
call qword [sym.imp.KERNEL32.dll_CreateEventW]
mov qword [rbp - 0x28], rax
test rax, rax
jne 0x1400b19e4
call qword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [rdi], eax
mov ebx, 3
jmp 0x1400b1bcc
lea rax, [rbp - 0x40]
xor r9d, r9d
mov qword [rsp + 0x38], rax
xor r8d, r8d
mov qword [rsp + 0x30], rbx
mov edx, 0x90018
mov dword [rsp + 0x28], ebx
mov rcx, r14
mov qword [rsp + 0x20], rbx
call qword [sym.imp.KERNEL32.dll_DeviceIoControl]
lea r12, [0x14016f048]
mov r15b, 4
lea r13, [0x14014f138]
test eax, eax
jne 0x1400b1a92
call qword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [rdi], eax
cmp eax, 0x3e5
jne 0x1400b1a5e
mov rcx, qword [0x14016f048]
cmp rcx, r12
je 0x1400b1a8c
test byte [rcx + 0x1c], r15b
je 0x1400b1a8c
cmp byte [rcx + 0x19], r15b
jb 0x1400b1a8c
mov rcx, qword [rcx + 0x10]
mov edx, 0xf9
mov r8, r13
call fcn.1400049d8
jmp 0x1400b1a8c
mov rcx, qword [0x14016f048]
cmp rcx, r12
je 0x1400b1a8a
test byte [rcx + 0x1c], r15b
je 0x1400b1a8a
cmp byte [rcx + 0x19], 3
jb 0x1400b1a8a
mov rcx, qword [rcx + 0x10]
mov edx, 0xfa
mov r9d, eax
mov r8, r13
call fcn.1400049f8
mov esi, ebx
mov dword [rdi], ebx
test esi, esi
je 0x1400b1ae9
mov r9d, 1
mov dword [rbp + 0x40], ebx
lea r8, [rbp + 0x40]
mov rcx, r14
lea rdx, [rbp - 0x40]
call qword [sym.imp.KERNEL32.dll_GetOverlappedResult]
test eax, eax
jne 0x1400b1ae9
mov rax, qword [0x14016f048]
cmp rax, r12
je 0x1400b1ae9
test byte [rax + 0x1c], r15b
je 0x1400b1ae9
cmp byte [rax + 0x19], 3
jb 0x1400b1ae9
call qword [sym.imp.KERNEL32.dll_GetLastError]
mov rcx, qword [0x14016f048]
mov edx, 0xfb
mov r9d, eax
mov r8, r13
mov rcx, qword [rcx + 0x10]
call fcn.1400049f8
xor r9d, r9d
xor r8d, r8d
xor ecx, ecx
lea edx, [r9 + 1]
call qword [sym.imp.KERNEL32.dll_CreateEventW]
mov qword [rbp - 8], rax
test rax, rax
je 0x1400b19d2
lea rax, [rbp - 0x20]
xor r9d, r9d
mov qword [rsp + 0x38], rax
xor r8d, r8d
mov qword [rsp + 0x30], rbx
mov edx, 0x90020
mov dword [rsp + 0x28], ebx
mov rcx, r14
mov qword [rsp + 0x20], rbx
call qword [sym.imp.KERNEL32.dll_DeviceIoControl]
test eax, eax
jne 0x1400b1b75
call qword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [rdi], eax
cmp eax, 0x3e5
jne 0x1400b1c17
mov dword [rdi], ebx
mov rcx, qword [0x14016f048]
cmp rcx, r12
je 0x1400b1b75
test byte [rcx + 0x1c], r15b
je 0x1400b1b75
cmp byte [rcx + 0x19], r15b
jb 0x1400b1b75
mov rcx, qword [rcx + 0x10]
mov edx, 0xfc
mov r8, r13
call fcn.1400049d8
mov r9d, 1
mov dword [rbp + 0x40], ebx
lea r8, [rbp + 0x40]
mov rcx, r14
lea rdx, [rbp - 0x20]
call qword [sym.imp.KERNEL32.dll_GetOverlappedResult]
test eax, eax
jne 0x1400b1bcc
call qword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [rdi], eax
mov rcx, qword [0x14016f048]
cmp rcx, r12
je 0x1400b1bc7
test byte [rcx + 0x1c], r15b
je 0x1400b1bc7
cmp byte [rcx + 0x19], 2
jb 0x1400b1bc7
mov edx, 0xfe
mov rcx, qword [rcx + 0x10]
mov r9d, eax
mov r8, r13
call fcn.1400049f8
mov ebx, 0x1c
mov rcx, qword [rbp - 0x28]
lea rax, [rcx - 1]
cmp rax, 0xfffffffffffffffd
ja 0x1400b1be0
call qword [sym.imp.KERNEL32.dll_CloseHandle]
mov rcx, qword [rbp - 8]
lea rdx, [rcx - 1]
cmp rdx, 0xfffffffffffffffd
ja 0x1400b1bf4
call qword [sym.imp.KERNEL32.dll_CloseHandle]
lea r11, [rsp + 0x80]
mov eax, ebx
mov rbx, qword [r11 + 0x30]
mov rsi, qword [r11 + 0x38]
mov rdi, qword [r11 + 0x48]
mov rsp, r11
pop r15
pop r14
pop r13
pop r12
pop rbp
ret
mov rcx, qword [0x14016f048]
cmp rcx, r12
je 0x1400b1bc7
test byte [rcx + 0x1c], r15b
je 0x1400b1bc7
cmp byte [rcx + 0x19], 2
jb 0x1400b1bc7
mov edx, 0xfd
jmp 0x1400b1bb8