yeah, nothing about the actual device names...
Anyway, that HP BIOS updated allowed me to test on another system, that one
ATA pass-thru is available. SCSI pass-thru not (for USB/etc). On the ATA
pass-thru it returns unsupported error for .GetDevice but the devpath sent
to it is basically just the SATA tail end (I could pull out the ports from
it myself), but wonder if it's a bug or if I don't understand it. Here's a
basic run down:
(again you can forget about the "safe" stuff, it is opening
BY_HANDLE_PROTOCOL but emulating the function calls)
SAFE_OPEN_PROTOCOL_LIB_HANDLE
*SafeOpenParentProtocol(EFI_DEVICE_PATH_PROTOCOL *devpath, EFI_GUID
*protoguid, void **protocol, EFI_DEVICE_PATH_PROTOCOL **childpath)
{
SAFE_OPEN_PROTOCOL_LIB_HANDLE *safehandle=NULL;
// first look for handle to device with protocol for a given device path
EFI_HANDLE devhandle;
EFI_STATUS status=UEFI_BS->LocateDevicePath(protoguid, &devpath,
&devhandle);
if (!EFI_ERROR(status)) {
// found the protocol - now open the protocol
safehandle=SafeOpenProtocol(devhandle, protoguid, protocol, NULL);
}
*childpath=devpath;
// return to caller
return safehandle;
}
SAFE_OPEN_PROTOCOL_LIB_HANDLE *safeatahandle;
EFI_ATA_PASS_THRU_PROTOCOL *ata;
EFI_DEVICE_PATH_PROTOCOL *childpath;
// devpath going in to it contains:
PciRoot(0x0)/Pci(0x1F,0x02)/Sata(0x10,0x0)
if ((safeatahandle=SafeOpenParentProtocol(devpath,
&gEfiAtaPassThruProtocolGuid, (void**) &ata, &childpath))!=NULL) {
// childpath coming out contains: Sata(0x10,0x0)
// lock down protocol
if (SafeOpenProtocolBeginCriticalSection(safeatahandle)==0) {
// let's get the ATA port information
status=ata->GetDevice(ata, childpath, &uefidev->ATAPort,
&uefidev->ATAPortMultiplierPort);
Print(L"%r\r\n", status); // prints unsupported
...
So I think my code is correct but a bug in the HP BIOS provided to them?
(that bios also has a lock up issue which I haven't dug into yet)...
On Fri, Sep 6, 2013 at 4:29 PM, Andrew Fish <[email protected]> wrote:
> You can also try devtree, and devices shell commands.
>
> Thanks,
>
> Andrew Fish
>
>
> On Sep 6, 2013, at 4:03 PM, "David F." <[email protected]> wrote:
>
> BIOS update fixes it ... now to see what protocols they have.
>
>
>
> On Fri, Sep 6, 2013 at 3:42 PM, David F. <[email protected]> wrote:
>
>> >An HP laptop does not
>>
>> actually it must be booting ok, just no screen. I tried mode 80 25, mode
>> 128 40, mode 80 43, typing blind and nothing changed, so then I just type
>> reset and press enter and that did reset so the shell must be operating,
>> just video issue.
>>
>>
>> On Fri, Sep 6, 2013 at 2:42 PM, David F. <[email protected]> wrote:
>>
>>> yes, the intel board boots the to the shell I put on a UFD. An HP
>>> laptop does not, however a different HP desktop system does boot to it. dh
>>> command has a lot of nonsense in it with unknown's and then saw some normal
>>> device paths. dh -p diskio says can't find anything, dh -p blockio says
>>> can't find anything, nothing that gives the name of the various attached
>>> devices.
>>>
>>>
>>>
>>> On Fri, Sep 6, 2013 at 2:19 PM, Sergey Isakov <[email protected]> wrote:
>>>
>>>> Are you able to start a shell.efi? Else what about you?
>>>>
>>>> On 07.09.2013, at 1:02, David F. <[email protected]> wrote:
>>>>
>>>> This is an application for an Intel motherboard. So it only has
>>>> whatever they put on it ...
>>>>
>>>>
>>>> On Fri, Sep 6, 2013 at 1:28 PM, Sergey Isakov <[email protected]> wrote:
>>>>
>>>>> So you should go from initial. What drivers do you have installed?
>>>>> What protocols they are produced?
>>>>> Do you have HandleBuffer?
>>>>> Did you see output from dh command is a Shell?
>>>>>
>>>>> On 06.09.2013, at 21:19, David F. <[email protected]> wrote:
>>>>>
>>>>> Sergey,
>>>>>
>>>>> Yes, thanks, that be nice but the problem is there is no Pass Thru or
>>>>> Scsi IO interfaces found. Used LocateHandleBuffer and nothing was
>>>>> returned (not found), tried for all 3, ATA Pass Thru, SCSI Pass Thru, and
>>>>> Scsi IO. I'd like to see those be "required" when those type of devices
>>>>> exist.
>>>>>
>>>>> Andrew,
>>>>>
>>>>> Thanks, I'll check that part out, but still really need those pass
>>>>> thru type commands. Very useful on systems.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On Fri, Sep 6, 2013 at 9:56 AM, Andrew Fish <[email protected]> wrote:
>>>>>
>>>>>>
>>>>>> On Sep 5, 2013, at 7:22 PM, David F. <[email protected]> wrote:
>>>>>>
>>>>>> > Well, without any passthru support, I'm not sure how I'm, as an
>>>>>> application, supposed to get the device names of the various hard drives
>>>>>> and dvd drives in the system? Also, how you would be able to burn a
>>>>>> CD/DVD
>>>>>> and send the various commands to setup for the burn. I see the Visual
>>>>>> BIOS on the system has all the name, so there must be a way without
>>>>>> essentially turning off all UEFI services and writing a raw DOS like
>>>>>> program to directly program the SATA/PATA controllers like the old days?
>>>>>> Strange?
>>>>>> >
>>>>>> > Does anyone have the answer??
>>>>>> >
>>>>>>
>>>>>> What is returned for the ComponentName? This should be the human
>>>>>> readable name of the device.
>>>>>>
>>>>>>
>>>>>> https://svn.code.sf.net/p/edk2/code/trunk/edk2/MdePkg/Include/Protocol/ComponentName.h
>>>>>>
>>>>>> https://svn.code.sf.net/p/edk2/code/trunk/edk2/MdePkg/Include/Protocol/ComponentName2.h
>>>>>>
>>>>>> Thanks,
>>>>>>
>>>>>> Andrew Fish
>>>>>>
>>>>>> > TIA!!
>>>>>> >
>>>>>> >
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