\r
#include <IndustryStandard/Pci.h>\r
#include <IndustryStandard/PvScsi.h>\r
+#include <Library/MemoryAllocationLib.h>\r
#include <Library/UefiBootServicesTableLib.h>\r
#include <Library/UefiLib.h>\r
#include <Protocol/PciIo.h>\r
#include <Uefi/UefiSpec.h>\r
\r
+#include "PvScsi.h"\r
+\r
//\r
// Higher versions will be used before lower, 0x10-0xffffffef is the version\r
// range for IHV (Indie Hardware Vendors)\r
//\r
#define PVSCSI_BINDING_VERSION 0x10\r
\r
+//\r
+// Ext SCSI Pass Thru\r
+//\r
+\r
+STATIC\r
+EFI_STATUS\r
+EFIAPI\r
+PvScsiPassThru (\r
+ IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r
+ IN UINT8 *Target,\r
+ IN UINT64 Lun,\r
+ IN OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet,\r
+ IN EFI_EVENT Event OPTIONAL\r
+ )\r
+{\r
+ return EFI_UNSUPPORTED;\r
+}\r
+\r
+STATIC\r
+EFI_STATUS\r
+EFIAPI\r
+PvScsiGetNextTargetLun (\r
+ IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r
+ IN OUT UINT8 **Target,\r
+ IN OUT UINT64 *Lun\r
+ )\r
+{\r
+ return EFI_UNSUPPORTED;\r
+}\r
+\r
+STATIC\r
+EFI_STATUS\r
+EFIAPI\r
+PvScsiBuildDevicePath (\r
+ IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r
+ IN UINT8 *Target,\r
+ IN UINT64 Lun,\r
+ IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath\r
+ )\r
+{\r
+ return EFI_UNSUPPORTED;\r
+}\r
+\r
+STATIC\r
+EFI_STATUS\r
+EFIAPI\r
+PvScsiGetTargetLun (\r
+ IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r
+ OUT UINT8 **Target,\r
+ OUT UINT64 *Lun\r
+ )\r
+{\r
+ return EFI_UNSUPPORTED;\r
+}\r
+\r
+STATIC\r
+EFI_STATUS\r
+EFIAPI\r
+PvScsiResetChannel (\r
+ IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This\r
+ )\r
+{\r
+ return EFI_UNSUPPORTED;\r
+}\r
+\r
+STATIC\r
+EFI_STATUS\r
+EFIAPI\r
+PvScsiResetTargetLun (\r
+ IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r
+ IN UINT8 *Target,\r
+ IN UINT64 Lun\r
+ )\r
+{\r
+ return EFI_UNSUPPORTED;\r
+}\r
+\r
+STATIC\r
+EFI_STATUS\r
+EFIAPI\r
+PvScsiGetNextTarget (\r
+ IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r
+ IN OUT UINT8 **Target\r
+ )\r
+{\r
+ return EFI_UNSUPPORTED;\r
+}\r
+\r
+STATIC\r
+EFI_STATUS\r
+PvScsiInit (\r
+ IN OUT PVSCSI_DEV *Dev\r
+ )\r
+{\r
+ //\r
+ // Populate the exported interface's attributes\r
+ //\r
+ Dev->PassThru.Mode = &Dev->PassThruMode;\r
+ Dev->PassThru.PassThru = &PvScsiPassThru;\r
+ Dev->PassThru.GetNextTargetLun = &PvScsiGetNextTargetLun;\r
+ Dev->PassThru.BuildDevicePath = &PvScsiBuildDevicePath;\r
+ Dev->PassThru.GetTargetLun = &PvScsiGetTargetLun;\r
+ Dev->PassThru.ResetChannel = &PvScsiResetChannel;\r
+ Dev->PassThru.ResetTargetLun = &PvScsiResetTargetLun;\r
+ Dev->PassThru.GetNextTarget = &PvScsiGetNextTarget;\r
+\r
+ //\r
+ // AdapterId is a target for which no handle will be created during bus scan.\r
+ // Prevent any conflict with real devices.\r
+ //\r
+ Dev->PassThruMode.AdapterId = MAX_UINT32;\r
+\r
+ //\r
+ // Set both physical and logical attributes for non-RAID SCSI channel\r
+ //\r
+ Dev->PassThruMode.Attributes = EFI_EXT_SCSI_PASS_THRU_ATTRIBUTES_PHYSICAL |\r
+ EFI_EXT_SCSI_PASS_THRU_ATTRIBUTES_LOGICAL;\r
+\r
+ //\r
+ // No restriction on transfer buffer alignment\r
+ //\r
+ Dev->PassThruMode.IoAlign = 0;\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+STATIC\r
+VOID\r
+PvScsiUninit (\r
+ IN OUT PVSCSI_DEV *Dev\r
+ )\r
+{\r
+ // Currently nothing to do here\r
+}\r
+\r
//\r
// Driver Binding\r
//\r
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r
)\r
{\r
- return EFI_UNSUPPORTED;\r
+ PVSCSI_DEV *Dev;\r
+ EFI_STATUS Status;\r
+\r
+ Dev = (PVSCSI_DEV *) AllocateZeroPool (sizeof (*Dev));\r
+ if (Dev == NULL) {\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+\r
+ Status = PvScsiInit (Dev);\r
+ if (EFI_ERROR (Status)) {\r
+ goto FreePvScsi;\r
+ }\r
+\r
+ //\r
+ // Setup complete, attempt to export the driver instance's PassThru interface\r
+ //\r
+ Dev->Signature = PVSCSI_SIG;\r
+ Status = gBS->InstallProtocolInterface (\r
+ &ControllerHandle,\r
+ &gEfiExtScsiPassThruProtocolGuid,\r
+ EFI_NATIVE_INTERFACE,\r
+ &Dev->PassThru\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ goto UninitDev;\r
+ }\r
+\r
+ return EFI_SUCCESS;\r
+\r
+UninitDev:\r
+ PvScsiUninit (Dev);\r
+\r
+FreePvScsi:\r
+ FreePool (Dev);\r
+\r
+ return Status;\r
}\r
\r
STATIC\r
IN EFI_HANDLE *ChildHandleBuffer\r
)\r
{\r
- return EFI_UNSUPPORTED;\r
+ EFI_STATUS Status;\r
+ EFI_EXT_SCSI_PASS_THRU_PROTOCOL *PassThru;\r
+ PVSCSI_DEV *Dev;\r
+\r
+ Status = gBS->OpenProtocol (\r
+ ControllerHandle,\r
+ &gEfiExtScsiPassThruProtocolGuid,\r
+ (VOID **)&PassThru,\r
+ This->DriverBindingHandle,\r
+ ControllerHandle,\r
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL // Lookup only\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ Dev = PVSCSI_FROM_PASS_THRU (PassThru);\r
+\r
+ Status = gBS->UninstallProtocolInterface (\r
+ ControllerHandle,\r
+ &gEfiExtScsiPassThruProtocolGuid,\r
+ &Dev->PassThru\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ PvScsiUninit (Dev);\r
+\r
+ FreePool (Dev);\r
+\r
+ return EFI_SUCCESS;\r
}\r
\r
STATIC EFI_DRIVER_BINDING_PROTOCOL mPvScsiDriverBinding = {\r
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