cmreslist.h File Reference

#include <wdm.h>

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Functions
FORCEINLINE PCM_PARTIAL_RESOURCE_DESCRIPTOR	CmiGetNextPartialDescriptor (_In_ const CM_PARTIAL_RESOURCE_DESCRIPTOR *PartialDescriptor)
FORCEINLINE PCM_FULL_RESOURCE_DESCRIPTOR	CmiGetNextResourceDescriptor (_In_ const CM_FULL_RESOURCE_DESCRIPTOR *ResourceDescriptor)

Function Documentation

CmiGetNextPartialDescriptor()

FORCEINLINE PCM_PARTIAL_RESOURCE_DESCRIPTOR CmiGetNextPartialDescriptor

(

_In_ const CM_PARTIAL_RESOURCE_DESCRIPTOR *

PartialDescriptor

)

Definition at line 31 of file cmreslist.h.

{
    const CM_PARTIAL_RESOURCE_DESCRIPTOR *NextDescriptor;
 
    /* Assume the descriptors are the fixed size ones */
    NextDescriptor = PartialDescriptor + 1;
 
    /* But check if this is actually a variable-sized descriptor */
    if (PartialDescriptor->Type == CmResourceTypeDeviceSpecific)
    {
        /* Add the size of the variable section as well */
        NextDescriptor = (PCM_PARTIAL_RESOURCE_DESCRIPTOR)((ULONG_PTR)NextDescriptor +
                         PartialDescriptor->u.DeviceSpecificData.DataSize);
        ASSERT(NextDescriptor >= PartialDescriptor + 1);
    }
 
    /* Now the correct pointer has been computed, return it */
    return (PCM_PARTIAL_RESOURCE_DESCRIPTOR)NextDescriptor;
}

Referenced by CmiGetNextResourceDescriptor(), PciComputeNewCurrentSettings(), and PciDebugPrintCmResList().

CmiGetNextResourceDescriptor()

FORCEINLINE PCM_FULL_RESOURCE_DESCRIPTOR CmiGetNextResourceDescriptor

(

_In_ const CM_FULL_RESOURCE_DESCRIPTOR *

ResourceDescriptor

)

Definition at line 54 of file cmreslist.h.

{
    const CM_PARTIAL_RESOURCE_DESCRIPTOR *LastPartialDescriptor;
 
    /* Calculate the location of the last partial descriptor, which can have a
       variable size! */
    LastPartialDescriptor = &ResourceDescriptor->PartialResourceList.PartialDescriptors[
            ResourceDescriptor->PartialResourceList.Count - 1];
 
    /* Next full resource descriptor follows the last partial descriptor */
    return (PCM_FULL_RESOURCE_DESCRIPTOR)CmiGetNextPartialDescriptor(LastPartialDescriptor);
}

Referenced by IopCheckForResourceConflict(), IopCheckResourceDescriptor(), IopTranslateDeviceResources(), and PdoStartDevice().