1 /* 2 * Copyright 2007-2008, Marcus Overhagen. All rights reserved. 3 * Distributed under the terms of the MIT License. 4 */ 5 #ifndef _AHCI_PORT_H 6 #define _AHCI_PORT_H 7 8 9 #include <ATAInfoBlock.h> 10 11 #include "ahci_defs.h" 12 13 14 class AHCIController; 15 class sata_request; 16 17 class AHCIPort { 18 public: 19 AHCIPort(AHCIController *controller, int index); 20 ~AHCIPort(); 21 22 status_t Init1(); 23 status_t Init2(); 24 void Uninit(); 25 26 void Interrupt(); 27 void InterruptErrorHandler(uint32 is); 28 29 30 void ScsiExecuteRequest(scsi_ccb *request); 31 uchar ScsiAbortRequest(scsi_ccb *request); 32 uchar ScsiTerminateRequest(scsi_ccb *request); 33 uchar ScsiResetDevice(); 34 void ScsiGetRestrictions(bool *isATAPI, bool *noAutoSense, uint32 *maxBlocks); 35 36 private: 37 void ScsiTestUnitReady(scsi_ccb *request); 38 void ScsiInquiry(scsi_ccb *request); 39 void ScsiVPDInquiry(scsi_ccb* request, ata_device_infoblock* ataData); 40 41 void ScsiReadCapacity(scsi_ccb *request); 42 void ScsiReadCapacity16(scsi_ccb *request); 43 void ScsiReadWrite(scsi_ccb *request, uint64 lba, size_t sectorCount, bool isWrite); 44 void ScsiSynchronizeCache(scsi_ccb *request); 45 void ScsiUnmap(scsi_ccb* request, 46 struct scsi_unmap_parameter_list* unmapBlocks); 47 48 void ExecuteSataRequest(sata_request *request, bool isWrite = false); 49 50 void ResetDevice(); 51 status_t PortReset(); 52 status_t Probe(); 53 54 bool Enable(); 55 bool Disable(); 56 57 void FlushPostedWrites(); 58 void DumpD2HFis(); 59 void DumpHBAState(); 60 61 void StartTransfer(); 62 status_t WaitForTransfer(int *tfd, bigtime_t timeout); 63 void FinishTransfer(); 64 65 inline void _ClearErrorRegister(); 66 67 // uint8 * SetCommandFis(volatile command_list_entry *cmd, volatile fis *fis, const void *data, size_t dataSize); 68 status_t FillPrdTable(volatile prd *prdTable, int *prdCount, int prdMax, const void *data, size_t dataSize); 69 status_t FillPrdTable(volatile prd *prdTable, int *prdCount, int prdMax, const physical_entry *sgTable, int sgCount, size_t dataSize); 70 71 private: 72 AHCIController* fController; 73 int fIndex; 74 volatile ahci_port * fRegs; 75 area_id fArea; 76 spinlock fSpinlock; 77 volatile uint32 fCommandsActive; 78 sem_id fRequestSem; 79 sem_id fResponseSem; 80 bool fDevicePresent; 81 bool fUse48BitCommands; 82 uint32 fSectorSize; 83 uint32 fPhysicalSectorSize; 84 uint64 fSectorCount; 85 bool fIsATAPI; 86 bool fTestUnitReadyActive; 87 bool fPortReset; 88 bool fError; 89 bool fTrimSupported; 90 bool fTrimReturnsZeros; 91 uint32 fMaxTrimRangeBlocks; 92 93 volatile fis * fFIS; 94 volatile command_list_entry * fCommandList; 95 volatile command_table * fCommandTable; 96 volatile prd * fPRDTable; 97 }; 98 99 100 inline void 101 AHCIPort::FlushPostedWrites() 102 { 103 volatile uint32 dummy = fRegs->cmd; 104 dummy = dummy; 105 } 106 107 108 #endif // _AHCI_PORT_H 109