Author: apriyadarshi Date: Thu Jun 16 21:14:03 2016 New Revision: 71650
URL: http://svn.reactos.org/svn/reactos?rev=71650&view=rev Log: fixed portCount boundary problem :D
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] Thu Jun 16 21:14:03 2016 @@ -35,7 +35,7 @@ portNumber = PortExtension->PortNumber;
NT_ASSERT(abar != NULL); - NT_ASSERT(portNumber < MAXIMUM_AHCI_PORT_COUNT); + NT_ASSERT(portNumber < adapterExtension->PortCount);
PortExtension->Port = &abar->PortList[portNumber];
@@ -120,18 +120,15 @@ portCount = 0; portImplemented = AdapterExtension->PortImplemented;
- // make sure we don't allocate too much memory for the ports we have not implemented - // LOGIC: AND with all MAXIMUM_AHCI_PORT_COUNT (low significant) bits set - portImplemented = portImplemented & ((1 << MAXIMUM_AHCI_PORT_COUNT) - 1); - while (portImplemented > 0) - { - portCount++; - portImplemented &= (portImplemented - 1); - } - - NT_ASSERT(portCount <= MAXIMUM_AHCI_PORT_COUNT); + NT_ASSERT(portImplemented != 0); + for (index = MAXIMUM_AHCI_PORT_COUNT - 1; index > 0; index--) + if ((portImplemented & (1 << index)) != 0) + break; + + portCount = index + 1; DebugPrint("\tPort Count: %d\n", portCount);
+ AdapterExtension->PortCount = portCount; nonCachedExtensionSize = sizeof(AHCI_COMMAND_HEADER) * AlignedNCS + //should be 1K aligned sizeof(AHCI_RECEIVED_FIS);
@@ -151,7 +148,7 @@ nonCachedExtension = AdapterExtension->NonCachedExtension; AhciZeroMemory(nonCachedExtension, nonCachedExtensionSize * portCount);
- for (index = 0; index < MAXIMUM_AHCI_PORT_COUNT; index++) + for (index = 0; index < portCount; index++) { AdapterExtension->PortExtension[index].IsActive = FALSE; if ((AdapterExtension->PortImplemented & (1 << index)) != 0) @@ -298,7 +295,7 @@ * * The Storport driver calls the HwStorInterrupt routine after the HBA generates an interrupt request. * - * @param adapterExtension + * @param AdapterExtension * * @return * return TRUE Indicates that an interrupt was pending on adapter. @@ -306,48 +303,46 @@ */ BOOLEAN AhciHwInterrupt( - __in PVOID AdapterExtension - ) -{ - ULONG portPending, nextPort, i; - PAHCI_ADAPTER_EXTENSION adapterExtension; + __in PAHCI_ADAPTER_EXTENSION AdapterExtension + ) +{ + ULONG portPending, nextPort, i, portCount;
DebugPrint("AhciHwInterrupt()\n");
- adapterExtension = AdapterExtension; - - if (adapterExtension->StateFlags.Removed) + if (AdapterExtension->StateFlags.Removed) { return FALSE; }
- portPending = StorPortReadRegisterUlong(adapterExtension, adapterExtension->IS); + portPending = StorPortReadRegisterUlong(AdapterExtension, AdapterExtension->IS); // we process interrupt for implemented ports only - portPending = portPending & adapterExtension->PortImplemented; + portCount = AdapterExtension->PortCount; + portPending = portPending & AdapterExtension->PortImplemented;
if (portPending == 0) { return FALSE; }
- for (i = 1; i <= MAXIMUM_AHCI_PORT_COUNT; i++) - { - nextPort = (adapterExtension->LastInterruptPort + i) % MAXIMUM_AHCI_PORT_COUNT; + for (i = 1; i <= portCount; i++) + { + nextPort = (AdapterExtension->LastInterruptPort + i) % portCount;
if ((portPending & (0x1 << nextPort)) == 0) continue;
NT_ASSERT(IsPortValid(AdapterExtension, nextPort));
- if ((nextPort == adapterExtension->LastInterruptPort) || - (adapterExtension->PortExtension[nextPort].IsActive == FALSE)) + if ((nextPort == AdapterExtension->LastInterruptPort) || + (AdapterExtension->PortExtension[nextPort].IsActive == FALSE)) { return FALSE; }
// we can assign this interrupt to this port - adapterExtension->LastInterruptPort = nextPort; - AhciInterruptHandler(&adapterExtension->PortExtension[nextPort]); + AdapterExtension->LastInterruptPort = nextPort; + AhciInterruptHandler(&AdapterExtension->PortExtension[nextPort]);
// interrupt belongs to this device // should always return TRUE @@ -448,19 +443,22 @@ if (cdb->CDB10.OperationCode == SCSIOP_INQUIRY) { Srb->SrbStatus = DeviceInquiryRequest(adapterExtension, Srb, cdb); - StorPortNotification(RequestComplete, adapterExtension, Srb); - return TRUE; + } + else + { + Srb->SrbStatus = SRB_STATUS_NO_DEVICE; } } else { Srb->SrbStatus = SRB_STATUS_BAD_FUNCTION; - StorPortNotification(RequestComplete, adapterExtension, Srb); - return TRUE; } - } - - DebugPrint("\tUnknow function code recieved: %x\n", function); + + StorPortNotification(RequestComplete, adapterExtension, Srb); + return TRUE; + } + + DebugPrint("\tUnknown function code recieved: %x\n", function); Srb->SrbStatus = SRB_STATUS_BAD_FUNCTION; StorPortNotification(RequestComplete, adapterExtension, Srb); return TRUE; @@ -672,7 +670,7 @@ return SP_RETURN_ERROR; }
- for (index = 0; index < MAXIMUM_AHCI_PORT_COUNT; index++) + for (index = 0; index < adapterExtension->PortCount; index++) { if ((adapterExtension->PortImplemented & (0x1<<index)) != 0) AhciPortInitialize(&adapterExtension->PortExtension[index]); @@ -812,7 +810,7 @@
PortExtension = &AdapterExtension->PortExtension[PathId];
- NT_ASSERT(PathId < MAXIMUM_AHCI_PORT_COUNT); + NT_ASSERT(PathId < AdapterExtension->PortCount);
// add Srb to queue AddQueue(&PortExtension->SrbQueue, Srb); @@ -1021,7 +1019,7 @@ { NT_ASSERT(pathId >= 0);
- if (pathId >= MAXIMUM_AHCI_PORT_COUNT) + if (pathId >= AdapterExtension->PortCount) { return FALSE; }
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] Thu Jun 16 21:14:03 2016 @@ -10,7 +10,7 @@
#define DEBUG 1
-#define MAXIMUM_AHCI_PORT_COUNT 12 +#define MAXIMUM_AHCI_PORT_COUNT 25 #define MAXIMUM_QUEUE_BUFFER_SIZE 255 #define MAXIMUM_TRANSFER_LENGTH (128*1024) // 128 KB
@@ -20,6 +20,7 @@ #define AHCI_Global_HBA_CONTROL_MRSM (1 << 2) #define AHCI_Global_HBA_CONTROL_AE (1 << 31) #define AHCI_Global_HBA_CAP_S64A (1 << 31) +#define AHCI_Global_Port_CMD_IDLE ((1 << 0) | (1 << 4) | (1 << 14) | (1 << 15)) // PxCMD.ST, PxCMD.CR, PxCMD.FRE and PxCMD.FR
// 3.1.1 NCS = CAP[12:08] -> Align #define AHCI_Global_Port_CAP_NCS(x) (((x) & 0xF00) >> 8) @@ -254,6 +255,7 @@ ULONG AhciBaseAddress; PULONG IS;// Interrupt Status, In case of MSIM == `1` ULONG PortImplemented;// bit-mapping of ports which are implemented + ULONG PortCount;
USHORT VendorID; USHORT DeviceID;
-
apriyadarshi＠svn.reactos.org