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Completed SCSIOP_READ_CAPACITY, SCSIOP_REPORT_LUNS, SCSIOP_READ

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Updated INQUIRY Fields
Code Fixes
Stable, Tested, AHCI-Detection and Read working

svn path=/branches/GSoC_2016/AHCI/; revision=71987
This commit is contained in:
Aman Priyadarshi 2016-07-23 22:53:15 +00:00
parent 93ea028360
commit 05153b057d
2 changed files with 562 additions and 258 deletions
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773
drivers/storage/storahci/storahci.c
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File diff suppressed because it is too large Load diff

47
drivers/storage/storahci/storahci.h
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@ -19,6 +19,8 @@
#define MAXIMUM_QUEUE_BUFFER_SIZE 255
#define MAXIMUM_TRANSFER_LENGTH (128*1024) // 128 KB
#define DEVICE_ATA_BLOCK_SIZE 512
// device type (DeviceParams)
#define AHCI_DEVICE_TYPE_ATA 1
#define AHCI_DEVICE_TYPE_ATAPI 2
@ -54,6 +56,7 @@
// ATA Functions
#define ATA_FUNCTION_ATA_COMMAND 0x100
#define ATA_FUNCTION_ATA_IDENTIFY 0x101
#define ATA_FUNCTION_ATA_READ 0x102
// ATAPI Functions
#define ATA_FUNCTION_ATAPI_COMMAND 0x200
@ -61,6 +64,8 @@
// ATA Flags
#define ATA_FLAGS_DATA_IN (1 << 1)
#define ATA_FLAGS_DATA_OUT (1 << 2)
#define ATA_FLAGS_48BIT_COMMAND (1 << 3)
#define ATA_FLAGS_USE_DMA (1 << 4)
#define IsAtaCommand(AtaFunction) (AtaFunction & ATA_FUNCTION_ATA_COMMAND)
#define IsAtapiCommand(AtaFunction) (AtaFunction & ATA_FUNCTION_ATAPI_COMMAND)
@ -68,11 +73,11 @@
#define IsAdapterCAPS64(CAP) (CAP & AHCI_Global_HBA_CAP_S64A)
// 3.1.1 NCS = CAP[12:08] -> Align
#define AHCI_Global_Port_CAP_NCS(x) (((x) & 0xF00) >> 8)
#define AHCI_Global_Port_CAP_NCS(x) (((x) & 0xF00) >> 8)
#define ROUND_UP(N, S) ((((N) + (S) - 1) / (S)) * (S))
#ifdef DBG
#define DebugPrint(format, ...) StorPortDebugPrint(0, format, __VA_ARGS__)
#define AhciDebugPrint(format, ...) StorPortDebugPrint(0, format, __VA_ARGS__)
#endif
typedef
@ -464,6 +469,12 @@ typedef struct _AHCI_PORT_EXTENSION
UCHAR AccessType;
UCHAR DeviceType;
UCHAR IsActive;
LARGE_INTEGER MaxLba;
ULONG BytesPerLogicalSector;
ULONG BytesPerPhysicalSector;
// UCHAR VendorId[41];
// UCHAR RevisionID[9];
// UCHAR SerialNumber[21];
} DeviceParams;
STOR_DPC CommandCompletion;
@ -542,7 +553,12 @@ typedef struct _AHCI_SRB_EXTENSION
ULONG SlotIndex;
LOCAL_SCATTER_GATHER_LIST Sgl;
PLOCAL_SCATTER_GATHER_LIST pSgl;
PAHCI_COMPLETION_ROUTINE CompletionRoutine;
// for alignment purpose -- 128 byte alignment
// do not try to access (R/W) this field
UCHAR Reserved[128];
} AHCI_SRB_EXTENSION, *PAHCI_SRB_EXTENSION;
//////////////////////////////////////////////////////////////
@ -568,12 +584,29 @@ IsPortValid (
__in ULONG pathId
);
UCHAR DeviceRequestReadWrite (
__in PAHCI_ADAPTER_EXTENSION AdapterExtension,
__in PSCSI_REQUEST_BLOCK Srb,
__in PCDB Cdb
);
UCHAR DeviceRequestCapacity (
__in PAHCI_ADAPTER_EXTENSION AdapterExtension,
__in PSCSI_REQUEST_BLOCK Srb,
__in PCDB Cdb
);
UCHAR
DeviceInquiryRequest (
__in PAHCI_ADAPTER_EXTENSION AdapterExtension,
__in PSCSI_REQUEST_BLOCK Srb,
__in PCDB Cdb,
__in BOOLEAN HasProductDataRequest
__in PCDB Cdb
);
UCHAR DeviceReportLuns (
__in PAHCI_ADAPTER_EXTENSION AdapterExtension,
__in PSCSI_REQUEST_BLOCK Srb,
__in PCDB Cdb
);
__inline
@ -595,6 +628,12 @@ GetSrbExtension(
__in PSCSI_REQUEST_BLOCK Srb
);
__inline
ULONG64
AhciGetLba (
__in PCDB Cdb
);
//////////////////////////////////////////////////////////////
// Assertions //
//////////////////////////////////////////////////////////////