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.Buffer         dd      ?       ; request_queue_item.Buffer

.Buffer         dd      ?       ; request_queue_item.Buffer

.Callback       dd      ?       ; request_queue_item.Callback

.Callback       dd      ?       ; request_queue_item.Callback

.UserData       dd      ?       ; request_queue_item.UserData

.UserData       dd      ?       ; request_queue_item.UserData

end virtual

end virtual

; 1. Allocate the memory for the request description.

; 1. Allocate the memory for the request description.

        call    Kmalloc

        call    Kmalloc

        test    eax, eax

        test    eax, eax

        jnz     @f

        jnz     @f

        mov     esi, nomemory

        mov     esi, nomemory

        call    SysMsgBoardStr

        call    SysMsgBoardStr

; waiting for results of USB requests, but we need to exit this callback

; waiting for results of USB requests, but we need to exit this callback

; to allow the USB thread to continue working and handling those requests.

; to allow the USB thread to continue working and handling those requests.

; 4. Thus, create a temporary kernel thread which would do it.

; 4. Thus, create a temporary kernel thread which would do it.

        mov     edx, [esp+8]

        mov     edx, [esp+8]

        push    ebx ecx

        push    ebx ecx

        mov     ecx, new_disk_thread

        mov     ecx, new_disk_thread

        ; edx = parameter

        ; edx = parameter

        int     0x40

        int     0x40

        pop     ecx ebx

        pop     ecx ebx

        cmp     eax, -1

        cmp     eax, -1

; Otherwise, go to 4.

; Otherwise, go to 4.

        inc     [edx+usb_unit_data.UnitReadyAttempts]

        inc     [edx+usb_unit_data.UnitReadyAttempts]

        cmp     [edx+usb_unit_data.UnitReadyAttempts], 3

        cmp     [edx+usb_unit_data.UnitReadyAttempts], 3

        jz      @f

        jz      @f

        push    ecx edx esi

        push    ecx edx esi

        call    Sleep

        call    Sleep

        pop     esi edx ecx

        pop     esi edx ecx

        stdcall queue_request, ecx, test_unit_ready_req, 0, test_unit_ready_callback, edx

        stdcall queue_request, ecx, test_unit_ready_req, 0, test_unit_ready_callback, edx

        ret     8

        ret     8

@@:

@@:

        mov     dword [esp], 'usbh'

        mov     dword [esp], 'usbh'

        lea     edi, [esp+5]

        lea     edi, [esp+5]

        mov     byte [edi-1], 'd'

        mov     byte [edi-1], 'd'

        push    eax

        push    eax

        push    -'0'

        push    -'0'

@@:

@@:

        cdq

        cdq

        div     ecx

        div     ecx

        push    edx

        push    edx

        test    eax, eax

        test    eax, eax