Is C# support load device driver?

[Steve]

I wrote a simple virtual device driver int15.sys, Is C# support load the
device driver from AP?

[Frans Bouma [C# MVP]]

Steve wrote:

I wrote a simple virtual device driver int15.sys, Is C# support load the
device driver from AP?

Aren't drivers used by the OS (windows) ? So how did you plan to use this
driver?

Frans.

--
Get LLBLGen Pro, productive O/R mapping for .NET: http://www.llblgen.com
My .NET Blog: http://weblogs.asp.net/fbouma
Microsoft C# MVP

[Richard Blewett [DevelopMentor]]

Nope, yoou can interact directly with them vice the DeviceIOControl API. I've done this in the past to write to area of the physical disk that win32 doesn't support.

So I guess to be able to interact with a device driver from C# you'd have to P/Invoke to DeviceIOControl

Regards

Richard Blewett - DevelopMentor
http://staff.develop.com/richardb/weblog

nntp://news.microsoft. com/microsoft.publi c.dotnet.langua ges.csharp/<xn************ ***@msnews.micr osoft.com>

Steve wrote:

I wrote a simple virtual device driver int15.sys, Is C# support load the
device driver from AP?

Aren't drivers used by the OS (windows) ? So how did you plan to use this
driver?

Frans.

--
Get LLBLGen Pro, productive O/R mapping for .NET: http://www.llblgen.com
My .NET Blog: http://weblogs.asp.net/fbouma
Microsoft C# MVP

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[Steve]

Yes, you are right, after I load device driver, I can use DeviceIOControl , I
wrote a virtual device driver, int15h.sys,
the purpose of this device driver is provide a interface to BIOS int15h, we
also modify the BIOS int15h, support
wireless/bluetooth power on/off, AP through virtual device driver, can power
on/off PC system wireless/bluetooth.

I need to load int15h.sys before I use DeviceIOControl , in C++, I found some
API
int SCManager = OpenSCManager(n ull, null, SC_MANAGER_ALL_ ACCESS);
GetServiceName( Path, Driver, DeviceName);
int dwStatus = DriverInstall(S CManager, Path, Driver);
int dwStatus1 = DriverStart(SCM anager, Driver);
can load the driver, my question is "Can C# support load device driver?"
"Richard Blewett [DevelopMentor]" wrote:

Nope, yoou can interact directly with them vice the DeviceIOControl API. I've done this in the past to write to area of the physical disk that win32 doesn't support.

So I guess to be able to interact with a device driver from C# you'd have to P/Invoke to DeviceIOControl

Regards

Richard Blewett - DevelopMentor
http://staff.develop.com/richardb/weblog

nntp://news.microsoft. com/microsoft.publi c.dotnet.langua ges.csharp/<xn************ ***@msnews.micr osoft.com>

Steve wrote:

> I wrote a simple virtual device driver int15.sys, Is C# support load the
> device driver from AP?

Aren't drivers used by the OS (windows) ? So how did you plan to use this
driver?

Frans.

--
Get LLBLGen Pro, productive O/R mapping for .NET: http://www.llblgen.com
My .NET Blog: http://weblogs.asp.net/fbouma
Microsoft C# MVP

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[Richard Blewett [DevelopMentor]]

Can you not use CreateFile to open the device?

Regards

Richard Blewett - DevelopMentor
http://staff.develop.com/richardb/weblog

nntp://news.microsoft. com/microsoft.publi c.dotnet.langua ges.csharp/<EA************ *************** *******@microso ft.com>

Yes, you are right, after I load device driver, I can use DeviceIOControl , I
wrote a virtual device driver, int15h.sys,
the purpose of this device driver is provide a interface to BIOS int15h, we
also modify the BIOS int15h, support
wireless/bluetooth power on/off, AP through virtual device driver, can power
on/off PC system wireless/bluetooth.

I need to load int15h.sys before I use DeviceIOControl , in C++, I found some
API
int SCManager = OpenSCManager(n ull, null, SC_MANAGER_ALL_ ACCESS);
GetServiceName( Path, Driver, DeviceName);
int dwStatus = DriverInstall(S CManager, Path, Driver);
int dwStatus1 = DriverStart(SCM anager, Driver);
can load the driver, my question is "Can C# support load device driver?"
"Richard Blewett [DevelopMentor]" wrote:

Nope, yoou can interact directly with them vice the DeviceIOControl API. I've done this in the past to write to area of the physical disk that win32 doesn't support.

So I guess to be able to interact with a device driver from C# you'd have to P/Invoke to DeviceIOControl

Regards

Richard Blewett - DevelopMentor
http://staff.develop.com/richardb/weblog

nntp://news.microsoft. com/microsoft.publi c.dotnet.langua ges.csharp/<xn************ ***@msnews.micr osoft.com>

Steve wrote:

I wrote a simple virtual device driver int15.sys, Is C# support load the
device driver from AP?

Aren't drivers used by the OS (windows) ? So how did you plan to use this
driver?

Frans.

--
Get LLBLGen Pro, productive O/R mapping for .NET: http://www.llblgen.com
My .NET Blog: http://weblogs.asp.net/fbouma
Microsoft C# MVP

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[microsoft.publi c.dotnet.langua ges.csharp]

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[microsoft.publi c.dotnet.langua ges.csharp]

[Steve]

Yes, before DeviceIOControl , use CreateFile to get a handle.
if not support load driver in C#, is anyone know the dllentry for
GetServiceName
DriverInstall
DriverStart
For I only found OpenSCManager from MSDN
[DllImport("adva pi32.dll")]
int SCManager = OpenSCManager(n ull, null, SC_MANAGER_ALL_ ACCESS);

"Richard Blewett [DevelopMentor]" wrote:

Can you not use CreateFile to open the device?

Regards

Richard Blewett - DevelopMentor
http://staff.develop.com/richardb/weblog

nntp://news.microsoft. com/microsoft.publi c.dotnet.langua ges.csharp/<EA************ *************** *******@microso ft.com>

Yes, you are right, after I load device driver, I can use DeviceIOControl , I
wrote a virtual device driver, int15h.sys,
the purpose of this device driver is provide a interface to BIOS int15h, we
also modify the BIOS int15h, support
wireless/bluetooth power on/off, AP through virtual device driver, can power
on/off PC system wireless/bluetooth.

I need to load int15h.sys before I use DeviceIOControl , in C++, I found some
API
int SCManager = OpenSCManager(n ull, null, SC_MANAGER_ALL_ ACCESS);
GetServiceName( Path, Driver, DeviceName);
int dwStatus = DriverInstall(S CManager, Path, Driver);
int dwStatus1 = DriverStart(SCM anager, Driver);
can load the driver, my question is "Can C# support load device driver?"
"Richard Blewett [DevelopMentor]" wrote:

> Nope, yoou can interact directly with them vice the DeviceIOControl API. I've done this in the past to write to area of the physical disk that win32 doesn't support.
>
> So I guess to be able to interact with a device driver from C# you'd have to P/Invoke to DeviceIOControl
>
> Regards
>
> Richard Blewett - DevelopMentor
> http://staff.develop.com/richardb/weblog
>
> nntp://news.microsoft. com/microsoft.publi c.dotnet.langua ges.csharp/<xn************ ***@msnews.micr osoft.com>
>
> Steve wrote:
>

> > I wrote a simple virtual device driver int15.sys, Is C# support load the
> > device driver from AP?

>
> Aren't drivers used by the OS (windows) ? So how did you plan to use this
> driver?
>
> Frans.
>
> --
> Get LLBLGen Pro, productive O/R mapping for .NET: http://www.llblgen.com
> My .NET Blog: http://weblogs.asp.net/fbouma
> Microsoft C# MVP
>
> ---
> Incoming mail is certified Virus Free.
> Checked by AVG anti-virus system (http://www.grisoft.com).
> Version: 6.0.766 / Virus Database: 513 - Release Date: 17/09/2004
>
>
>
> [microsoft.publi c.dotnet.langua ges.csharp]
>

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[microsoft.publi c.dotnet.langua ges.csharp]

[Frans Bouma [C# MVP]]

Richard Blewett [DevelopMentor] wrote:

Nope, yoou can interact directly with them vice the DeviceIOControl API.
I've done this in the past to write to area of the physical disk that win32
doesn't support.

So I guess to be able to interact with a device driver from C# you'd have
to P/Invoke to DeviceIOControl
(just to make it clear to me, not to nittpick ;))
But isn't this just a wrapper around Windows' device manager? There is no
way you will be able to poke into hardware without a kernel space module, as
everything is virtualized: you can't simply throw an interrupt or set an
address to a value to change some hardware's internal settings (at least
that's what I know of it).

Frans.

Regards

Richard Blewett - DevelopMentor
http://staff.develop.com/richardb/weblog
nntp://news.microsoft. com/microsoft.publi c.dotnet.langua ges.csharp/<xn0dnlt0
z3*******@msnew s.microsoft.com>

Steve wrote:

> I wrote a simple virtual device driver int15.sys, Is C# support load the
> device driver from AP?

Aren't drivers used by the OS (windows) ? So how did you plan to use this
driver?

--
Get LLBLGen Pro, productive O/R mapping for .NET: http://www.llblgen.com
My .NET Blog: http://weblogs.asp.net/fbouma
Microsoft C# MVP

[Richard Blewett [DevelopMentor]]

DeviceIOControl is simply a way of passing "op-codes" to a kernel mode device driver and retrieving the results. You obviously can't *write* a device driver in C# but you can interrogate a device driver via pinvoke.

Regards

Richard Blewett - DevelopMentor
http://staff.develop.com/richardb/weblog

nntp://news.microsoft. com/microsoft.publi c.dotnet.langua ges.csharp/<xn************ ***@msnews.micr osoft.com>

Richard Blewett [DevelopMentor] wrote:

Nope, yoou can interact directly with them vice the DeviceIOControl API.
I've done this in the past to write to area of the physical disk that win32
doesn't support.

So I guess to be able to interact with a device driver from C# you'd have
to P/Invoke to DeviceIOControl
(just to make it clear to me, not to nittpick ;))
But isn't this just a wrapper around Windows' device manager? There is no
way you will be able to poke into hardware without a kernel space module, as
everything is virtualized: you can't simply throw an interrupt or set an
address to a value to change some hardware's internal settings (at least
that's what I know of it).

Frans.

Regards

Richard Blewett - DevelopMentor
http://staff.develop.com/richardb/weblog
nntp://news.microsoft. com/microsoft.publi c.dotnet.langua ges.csharp/<xn0dnlt0
z3*******@msnew s.microsoft.com>

Steve wrote:

I wrote a simple virtual device driver int15.sys, Is C# support load the
device driver from AP?

Aren't drivers used by the OS (windows) ? So how did you plan to use this
driver?

--
Get LLBLGen Pro, productive O/R mapping for .NET: http://www.llblgen.com
My .NET Blog: http://weblogs.asp.net/fbouma
Microsoft C# MVP

---
Incoming mail is certified Virus Free.
Checked by AVG anti-virus system (http://www.grisoft.com).
Version: 6.0.766 / Virus Database: 513 - Release Date: 17/09/2004

[microsoft.publi c.dotnet.langua ges.csharp]

[Willy Denoyette [MVP]]

"Steve" <St***@discussi ons.microsoft.c om> wrote in message
news:D4******** *************** ***********@mic rosoft.com...

Yes, before DeviceIOControl , use CreateFile to get a handle.
if not support load driver in C#, is anyone know the dllentry for
GetServiceName
DriverInstall
DriverStart
For I only found OpenSCManager from MSDN
[DllImport("adva pi32.dll")]
int SCManager = OpenSCManager(n ull, null, SC_MANAGER_ALL_ ACCESS);

Drivers are no different than services in Windows, they are controled
(loaded, unloaded etc..) by the SCM, but before you can do this they need to
be installed/registered into the SC database (Registry). You can do this
from C# using the System.Manageme nt classes (and the WMI class
Win32_BaseServi ce).
First you have to create a Win32_BaseServi ce class describing your driver
(supplying stuff like PathName="\Mydr ivers\MyDriver. sys") by calling
"Create" on the Win32_BaseServi ce WMI Class.
Once you have this (registration) done you can call any of the methods like
"StartServi ce", "StopServic e", "ChangeServ ice" on an instance of this WMI
class.

Willy.

[Steve]

All,

Thanks for the help about this issue.

Willy,

I think you answer my question, for I am new in C#, I will try figure out
how to implement based on your suggestion, really appreciated.

"Willy Denoyette [MVP]" wrote:

"Steve" <St***@discussi ons.microsoft.c om> wrote in message
news:D4******** *************** ***********@mic rosoft.com...

Yes, before DeviceIOControl , use CreateFile to get a handle.
if not support load driver in C#, is anyone know the dllentry for
GetServiceName
DriverInstall
DriverStart
For I only found OpenSCManager from MSDN
[DllImport("adva pi32.dll")]
int SCManager = OpenSCManager(n ull, null, SC_MANAGER_ALL_ ACCESS);

Drivers are no different than services in Windows, they are controled
(loaded, unloaded etc..) by the SCM, but before you can do this they need to
be installed/registered into the SC database (Registry). You can do this
from C# using the System.Manageme nt classes (and the WMI class
Win32_BaseServi ce).
First you have to create a Win32_BaseServi ce class describing your driver
(supplying stuff like PathName="\Mydr ivers\MyDriver. sys") by calling
"Create" on the Win32_BaseServi ce WMI Class.
Once you have this (registration) done you can call any of the methods like
"StartServi ce", "StopServic e", "ChangeServ ice" on an instance of this WMI
class.

Willy.