[apriyadarshi] 71511: - Added all HwStor Initialization Required Functions - Driver loaded successfully - Added Debug stubs
Author: apriyadarshi Date: Sat Jun 4 12:52:38 2016 New Revision: 71511
URL: http://svn.reactos.org/svn/reactos?rev=71511&view=rev Log: - Added all HwStor Initialization Required Functions - Driver loaded successfully - Added Debug stubs
Modified: branches/GSoC_2016/AHCI/drivers/storage/storahci/storahci.c branches/GSoC_2016/AHCI/drivers/storage/storahci/storahci.h
Modified: branches/GSoC_2016/AHCI/drivers/storage/storahci/storahci.c URL: http://svn.reactos.org/svn/reactos/branches/GSoC_2016/AHCI/drivers/storage/s... ============================================================================== --- branches/GSoC_2016/AHCI/drivers/storage/storahci/storahci.c [iso-8859-1] (original) +++ branches/GSoC_2016/AHCI/drivers/storage/storahci/storahci.c [iso-8859-1] Sat Jun 4 12:52:38 2016 @@ -8,12 +8,12 @@ #include "storahci.h"
BOOLEAN AhciAdapterReset( - __in PAHCI_ADAPTER_EXTENSION adapterExtension + __in PAHCI_ADAPTER_EXTENSION adapterExtension );
VOID AhciZeroMemory( - __in PCHAR buffer, - __in ULONG bufferSize + __in PCHAR buffer, + __in ULONG bufferSize );
/** @@ -28,7 +28,7 @@ * Return true if intialization was successful */ BOOLEAN AhciPortInitialize( - __in PAHCI_PORT_EXTENSION portExtension + __in PAHCI_PORT_EXTENSION portExtension ) { ULONG mappedLength; @@ -36,17 +36,23 @@ PAHCI_ADAPTER_EXTENSION adapterExtension; STOR_PHYSICAL_ADDRESS commandListPhysical, receivedFISPhysical;
+ StorPortDebugPrint(0, "AhciPortInitialize()\n"); + adapterExtension = portExtension->AdapterExtension; abar = adapterExtension->ABAR_Address; portExtension->Port = &abar->PortList[portExtension->PortNumber];
commandListPhysical = StorPortGetPhysicalAddress(adapterExtension, NULL, portExtension->CommandList, &mappedLength); - if (mappedLength == 0 || (commandListPhysical.LowPart % 1024) != 0) + if (mappedLength == 0 || (commandListPhysical.LowPart % 1024) != 0){ + StorPortDebugPrint(0, "\tcommandListPhysical mappedLength:%d\n", mappedLength); return FALSE; + }
receivedFISPhysical = StorPortGetPhysicalAddress(adapterExtension, NULL, portExtension->ReceivedFIS, &mappedLength); - if (mappedLength == 0 || (commandListPhysical.LowPart % 256) != 0) + if (mappedLength == 0 || (receivedFISPhysical.LowPart % 256) != 0){ + StorPortDebugPrint(0, "\treceivedFISPhysical mappedLength:%d\n", mappedLength); return FALSE; + }
// 10.1.2 For each implemented port, system software shall allocate memory for and program: // ï· PxCLB and PxCLBU (if CAP.S64A is set to â1â) @@ -71,13 +77,15 @@ * return TRUE if allocation was successful */ BOOLEAN AhciAllocateResourceForAdapter( - __in PAHCI_ADAPTER_EXTENSION adapterExtension, - __in PPORT_CONFIGURATION_INFORMATION ConfigInfo + __in PAHCI_ADAPTER_EXTENSION adapterExtension, + __in PPORT_CONFIGURATION_INFORMATION ConfigInfo ) { PVOID portsExtension = NULL; PCHAR nonCachedExtension; ULONG portCount, portImplemented, status, index, NCS, AlignedNCS, nonCachedExtensionSize, currentCount; + + StorPortDebugPrint(0, "AhciAllocateResourceForAdapter()\n");
// 3.1.1 NCS = CAP[12:08] -> Align NCS = (adapterExtension->CAP & 0xF00) >> 8; @@ -99,8 +107,10 @@ nonCachedExtensionSize *= portCount;
adapterExtension->NonCachedExtension = StorPortGetUncachedExtension(adapterExtension, ConfigInfo, nonCachedExtensionSize); - if (adapterExtension->NonCachedExtension == NULL) + if (adapterExtension->NonCachedExtension == NULL) { + StorPortDebugPrint(0, "\tadapterExtension->NonCachedExtension == NULL\n"); return FALSE; + }
nonCachedExtension = (PCHAR)adapterExtension->NonCachedExtension;
@@ -114,8 +124,10 @@ AHCI_POOL_TAG, (PVOID*)&portsExtension);
- if (status != STOR_STATUS_SUCCESS) + if (status != STOR_STATUS_SUCCESS){ + StorPortDebugPrint(0, "\tstatus != STOR_STATUS_SUCCESS\n"); return FALSE; + }
AhciZeroMemory((PCHAR)portsExtension, portCount * sizeof(AHCI_PORT_EXTENSION));
@@ -139,7 +151,113 @@ }// -- AhciAllocateResourceForAdapter();
/** - * @name AhciFindAdapter + * @name AhciHwInitialize + * @implemented + * + * initializes the HBA and finds all devices that are of interest to the miniport driver. + * + * @param adapterExtension + * + * @return + * return TRUE if intialization was successful + */ +BOOLEAN AhciHwInitialize( + __in PVOID AdapterExtension +) +{ + PAHCI_ADAPTER_EXTENSION adapterExtension; + + StorPortDebugPrint(0, "AhciHwInitialize()\n"); + + adapterExtension = (PAHCI_ADAPTER_EXTENSION)AdapterExtension; + + return TRUE; +}// -- AhciHwInitialize(); + +/** + * @name AhciHwInterrupt + * @implemented + * + * The Storport driver calls the HwStorInterrupt routine after the HBA generates an interrupt request. + * + * @param adapterExtension + * + * @return + * return TRUE Indicates that an interrupt was pending on adapter. + * return FALSE Indicates the interrupt was not ours. + */ +BOOLEAN AhciHwInterrupt( + __in PVOID AdapterExtension +) +{ + PAHCI_ADAPTER_EXTENSION adapterExtension; + + StorPortDebugPrint(0, "AhciHwInterrupt()\n"); + + adapterExtension = (PAHCI_ADAPTER_EXTENSION)AdapterExtension; + + return TRUE; +}// -- AhciHwInterrupt(); + +/** + * @name AhciHwStartIo + * @implemented + * + * The Storport driver calls the HwStorStartIo routine one time for each incoming I/O request. + * + * @param adapterExtension + * @param Srb + * + * @return + * return TRUE if the request was accepted + * return FALSE if the request must be submitted later + */ +BOOLEAN AhciHwStartIo( + __in PVOID AdapterExtension, + __in PSCSI_REQUEST_BLOCK Srb + +) +{ + UCHAR function; + PAHCI_ADAPTER_EXTENSION adapterExtension; + + StorPortDebugPrint(0, "AhciHwStartIo()\n"); + + adapterExtension = (PAHCI_ADAPTER_EXTENSION)AdapterExtension; + function = Srb->Function; + + return TRUE; +}// -- AhciHwStartIo(); + +/** + * @name AhciHwResetBus + * @implemented + * + * The HwStorResetBus routine is called by the port driver to clear error conditions. + * + * @param adapterExtension + * @param PathId + * + * @return + * return TRUE if bus was successfully reset + */ +BOOLEAN AhciHwResetBus( + __in PVOID AdapterExtension, + __in ULONG PathId + +) +{ + PAHCI_ADAPTER_EXTENSION adapterExtension; + + StorPortDebugPrint(0, "AhciHwResetBus()\n"); + + adapterExtension = (PAHCI_ADAPTER_EXTENSION)AdapterExtension; + + return TRUE; +}// -- AhciHwResetBus(); + +/** + * @name AhciHwFindAdapter * @implemented * * The HwStorFindAdapter routine uses the supplied configuration to determine whether a specific @@ -170,13 +288,13 @@ * * @remarks Called by Storport. */ -ULONG AhciFindAdapter( - IN PVOID DeviceExtension, - __in PVOID HwContext, - __in PVOID BusInformation, - __in IN PVOID ArgumentString, - __inout PPORT_CONFIGURATION_INFORMATION ConfigInfo, - __in PBOOLEAN Reserved3 +ULONG AhciHwFindAdapter( + __in PVOID AdapterExtension, + __in PVOID HwContext, + __in PVOID BusInformation, + __in PVOID ArgumentString, + __inout PPORT_CONFIGURATION_INFORMATION ConfigInfo, + __in PBOOLEAN Reserved3 ) { ULONG ghc; @@ -189,7 +307,9 @@ PPCI_COMMON_CONFIG pciConfigData; PAHCI_ADAPTER_EXTENSION adapterExtension;
- adapterExtension = (PAHCI_ADAPTER_EXTENSION)DeviceExtension; + StorPortDebugPrint(0, "AhciHwFindAdapter()\n"); + + adapterExtension = (PAHCI_ADAPTER_EXTENSION)AdapterExtension; adapterExtension->SlotNumber = ConfigInfo->SlotNumber; adapterExtension->SystemIoBusNumber = ConfigInfo->SystemIoBusNumber;
@@ -202,8 +322,10 @@ (PVOID)pci_cfg_buf, (ULONG)0x30);
- if (pci_cfg_len != 0x30) + if (pci_cfg_len != 0x30){ + StorPortDebugPrint(0, "\tpci_cfg_len != 0x30 :: %d", pci_cfg_len); return SP_RETURN_ERROR;//Not a valid device at the given bus number + }
pciConfigData = (PPCI_COMMON_CONFIG)pci_cfg_buf; adapterExtension->VendorID = pciConfigData->VendorID; @@ -211,6 +333,8 @@ adapterExtension->RevisionID = pciConfigData->RevisionID; // The last PCI base address register (BAR[5], header offset 0x24) points to the AHCI base memory, itâs called ABAR (AHCI Base Memory Register). adapterExtension->AhciBaseAddress = pciConfigData->u.type0.BaseAddresses[5] & (0xFFFFFFF0); + + StorPortDebugPrint(0, "\tVendorID:%d DeviceID:%d RevisionID:%d\n", adapterExtension->VendorID, adapterExtension->DeviceID, adapterExtension->RevisionID);
// 2.1.11 abar = NULL; @@ -232,8 +356,10 @@ } }
- if (abar == NULL) + if (abar == NULL){ + StorPortDebugPrint(0, "\tabar == NULL\n"); return SP_RETURN_ERROR; // corrupted information supplied + }
adapterExtension->ABAR_Address = abar; adapterExtension->CAP = StorPortReadRegisterUlong(adapterExtension, &abar->CAP); @@ -248,9 +374,11 @@ if ((ghc & (0x1<<31)) == 1)//Hmm, controller was already in power state { // reset controller to have it in know state - DebugPrint("AhciFindAdapter -> AE Already set, Reset()\n"); - if (!AhciAdapterReset(adapterExtension)) + StorPortDebugPrint(0, "\tAE Already set, Reset()\n"); + if (!AhciAdapterReset(adapterExtension)){ + StorPortDebugPrint(0, "\tReset Failed!\n"); return SP_RETURN_ERROR;// reset failed + } }
ghc = 0x1<<31;// only AE=1 @@ -259,8 +387,10 @@ adapterExtension->IS = abar->IS; adapterExtension->PortImplemented = StorPortReadRegisterUlong(adapterExtension, &abar->PI);
- if (adapterExtension->PortImplemented == 0) + if (adapterExtension->PortImplemented == 0){ + StorPortDebugPrint(0, "\tadapterExtension->PortImplemented == 0\n"); return SP_RETURN_ERROR; + }
ConfigInfo->MaximumTransferLength = 128 * 1024;//128 KB ConfigInfo->NumberOfPhysicalBreaks = 0x21; @@ -272,8 +402,10 @@ ConfigInfo->ScatterGather = TRUE;
// allocate necessary resource for each port - if (!AhciAllocateResourceForAdapter(adapterExtension, ConfigInfo)) + if (!AhciAllocateResourceForAdapter(adapterExtension, ConfigInfo)){ + StorPortDebugPrint(0, "\tAhciAllocateResourceForAdapter() == FALSE\n"); return SP_RETURN_ERROR; + }
for (index = 0; index < 32; index++) { @@ -286,7 +418,7 @@ StorPortWriteRegisterUlong(adapterExtension, &abar->GHC, ghc);
return SP_RETURN_FOUND; -}// -- AhciFindAdapter(); +}// -- AhciHwFindAdapter();
/** * @name DriverEntry @@ -301,14 +433,14 @@ * NT_STATUS in case of driver loaded successfully. */ ULONG DriverEntry( - IN PVOID DriverObject, - IN PVOID RegistryPath + __in PVOID DriverObject, + __in PVOID RegistryPath ) { HW_INITIALIZATION_DATA hwInitializationData; ULONG i, status;
- DebugPrint("Storahci -> DriverEntry()\n"); + StorPortDebugPrint(0, "Storahci Loaded 10023\n");
// initialize the hardware data structure AhciZeroMemory((PCHAR)&hwInitializationData, sizeof(HW_INITIALIZATION_DATA)); @@ -317,7 +449,11 @@ hwInitializationData.HwInitializationDataSize = sizeof(HW_INITIALIZATION_DATA);
// identity required miniport entry point routines - hwInitializationData.HwFindAdapter = AhciFindAdapter; + hwInitializationData.HwStartIo = AhciHwStartIo; + hwInitializationData.HwResetBus = AhciHwResetBus; + hwInitializationData.HwInterrupt = AhciHwInterrupt; + hwInitializationData.HwInitialize = AhciHwInitialize; + hwInitializationData.HwFindAdapter = AhciHwFindAdapter;
// adapter specific information hwInitializationData.NeedPhysicalAddresses = TRUE; @@ -339,7 +475,7 @@ RegistryPath, &hwInitializationData, NULL); - + StorPortDebugPrint(0, "\tstatus:%d\n", status); return status; }// -- DriverEntry();
@@ -363,29 +499,32 @@ * TRUE in case AHCI Controller RESTARTED successfully. i.e GHC.HR == 0 */ BOOLEAN AhciAdapterReset( - PAHCI_ADAPTER_EXTENSION adapterExtension -) -{ - ULONG ghc, ticks; - PAHCI_MEMORY_REGISTERS abar = NULL; - - abar = adapterExtension->ABAR_Address; - - if (abar == NULL) // basic sanity + __in PAHCI_ADAPTER_EXTENSION adapterExtension +) +{ + ULONG ghc, ticks; + PAHCI_MEMORY_REGISTERS abar = NULL; + + StorPortDebugPrint(0, "AhciAdapterReset()\n"); + + abar = adapterExtension->ABAR_Address; + if (abar == NULL) // basic sanity return FALSE;
- // HR -- Very first bit (lowest significant) - ghc = 1; - StorPortWriteRegisterUlong(adapterExtension, &abar->GHC, ghc); - - for (ticks = 0; (ticks < 50) && - (StorPortReadRegisterUlong(adapterExtension, &abar->GHC) == 1); - StorPortStallExecution(20000), ticks++); - - if (ticks == 50)//1 second + // HR -- Very first bit (lowest significant) + ghc = 1; + StorPortWriteRegisterUlong(adapterExtension, &abar->GHC, ghc); + + for (ticks = 0; (ticks < 50) && + (StorPortReadRegisterUlong(adapterExtension, &abar->GHC) == 1); + StorPortStallExecution(20000), ticks++); + + if (ticks == 50) { //1 second + StorPortDebugPrint(0, "\tDevice Timeout\n"); return FALSE; - - return TRUE; + } + + return TRUE; }// -- AhciAdapterReset();
/** @@ -397,8 +536,8 @@ * @param buffer */ VOID AhciZeroMemory( - __in PCHAR buffer, - __in ULONG bufferSize + __in PCHAR buffer, + __in ULONG bufferSize ) { ULONG i;
Modified: branches/GSoC_2016/AHCI/drivers/storage/storahci/storahci.h URL: http://svn.reactos.org/svn/reactos/branches/GSoC_2016/AHCI/drivers/storage/s... ============================================================================== --- branches/GSoC_2016/AHCI/drivers/storage/storahci/storahci.h [iso-8859-1] (original) +++ branches/GSoC_2016/AHCI/drivers/storage/storahci/storahci.h [iso-8859-1] Sat Jun 4 12:52:38 2016 @@ -210,5 +210,5 @@
typedef struct _AHCI_SRB_EXTENSION { - ULONG AdapterNumber; + ULONG Reserved[4]; } AHCI_SRB_EXTENSION;
-
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