Thanks Doron.
You clarified that Windows 8.1 supports packed command.
It will be good if 8.1 will replace all Win 8 OS.
But what can be done in case if we want to support this on *Windows 8 or
Windows 7*?
what are the possible ways to implement.
Thanks in advance.
Regards,
Raphel
On Thu, Oct 24, 2013 at 10:59 AM, Doron Holan wrote:
> I think you were already told 8.1 supports this command and honestly I
> don’t think there will be too many 8.0 machines in a year, they will all be
> 8.1
>
> d
>
> Bent from my phone
> ------------------------------
> From: xxxxx@gmail.com
> Sent: 10/23/2013 9:43 PM
> To: Windows System Software Devs Interest List
> Subject: [ntdev] SD/MMC driver to support additional feature
>
> Hi,
>
> Our Target device is eMMC 4.5 device in Windows 8 PC/Tab.
> eMMC device is connnected to PCIe based SD/MMC host controller.
> Drivers for eMMC is Microsoft SD card driver stack (Sdstor.sys, sdbus.lib
> and Sdbus.sys).
>
> Our device works fine with microsoft driver stack.
> Our device supports a feature called packed command.
> We want to implement this packed command feature at driver level.
>
> As read from MSDN, Sdstor driver invokes call exported from sdbus library.
> Sdbus library converts request to SD/MMC commands and send to sdbus driver.
>
> Whether we need to write upper filter driver for sdbus.sys. I don’t know
> whether it is feasible to do.
>
> Kindly suggest a method to implement this.
>
> Thanks,
> Raphel
>
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