virtio: add virtio disk geometry feature

[safe/jmp/linux-2.6] / drivers / block / DAC960.c

diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c
index 7c72f10..cd03473 100644 (file)
--- a/drivers/block/DAC960.c
+++ b/drivers/block/DAC960.c
@@ -17,8 +17,8 @@
 */
 
 
-#define DAC960_DriverVersion                   "2.5.48"
-#define DAC960_DriverDate                      "14 May 2006"
+#define DAC960_DriverVersion                   "2.5.49"
+#define DAC960_DriverDate                      "21 Aug 2007"
 
 
 #include <linux/module.h>
@@ -31,6 +31,7 @@
 #include <linux/genhd.h>
 #include <linux/hdreg.h>
 #include <linux/blkpg.h>
+#include <linux/dma-mapping.h>
 #include <linux/interrupt.h>
 #include <linux/ioport.h>
 #include <linux/mm.h>
@@ -43,6 +44,7 @@
 #include <linux/init.h>
 #include <linux/jiffies.h>
 #include <linux/random.h>
+#include <linux/scatterlist.h>
 #include <asm/io.h>
 #include <asm/uaccess.h>
 #include "DAC960.h"
@@ -177,7 +179,7 @@ static void DAC960_AnnounceDriver(DAC960_Controller_T *Controller)
   DAC960_Failure prints a standardized error message, and then returns false.
 */
 
-static boolean DAC960_Failure(DAC960_Controller_T *Controller,
+static bool DAC960_Failure(DAC960_Controller_T *Controller,
                              unsigned char *ErrorMessage)
 {
   DAC960_Error("While configuring DAC960 PCI RAID Controller at\n",
@@ -206,7 +208,7 @@ static boolean DAC960_Failure(DAC960_Controller_T *Controller,
   that are passed in.
  */
 
-static boolean init_dma_loaf(struct pci_dev *dev, struct dma_loaf *loaf,
+static bool init_dma_loaf(struct pci_dev *dev, struct dma_loaf *loaf,
                                                                 size_t len)
 {
        void *cpu_addr;
@@ -250,7 +252,7 @@ static void free_dma_loaf(struct pci_dev *dev, struct dma_loaf *loaf_handle)
   failure.
 */
 
-static boolean DAC960_CreateAuxiliaryStructures(DAC960_Controller_T *Controller)
+static bool DAC960_CreateAuxiliaryStructures(DAC960_Controller_T *Controller)
 {
   int CommandAllocationLength, CommandAllocationGroupSize;
   int CommandsRemaining = 0, CommandIdentifier, CommandGroupByteCount;
@@ -344,6 +346,7 @@ static boolean DAC960_CreateAuxiliaryStructures(DAC960_Controller_T *Controller)
        Command->V1.ScatterGatherList =
                (DAC960_V1_ScatterGatherSegment_T *)ScatterGatherCPU;
        Command->V1.ScatterGatherListDMA = ScatterGatherDMA;
+       sg_init_table(Command->cmd_sglist, DAC960_V1_ScatterGatherLimit);
       } else {
         Command->cmd_sglist = Command->V2.ScatterList;
        Command->V2.ScatterGatherList =
@@ -352,6 +355,7 @@ static boolean DAC960_CreateAuxiliaryStructures(DAC960_Controller_T *Controller)
        Command->V2.RequestSense =
                                (DAC960_SCSI_RequestSense_T *)RequestSenseCPU;
        Command->V2.RequestSenseDMA = RequestSenseDMA;
+       sg_init_table(Command->cmd_sglist, DAC960_V2_ScatterGatherLimit);
       }
     }
   return true;
@@ -790,7 +794,7 @@ static void DAC960_ExecuteCommand(DAC960_Command_T *Command)
   on failure.
 */
 
-static boolean DAC960_V1_ExecuteType3(DAC960_Controller_T *Controller,
+static bool DAC960_V1_ExecuteType3(DAC960_Controller_T *Controller,
                                      DAC960_V1_CommandOpcode_T CommandOpcode,
                                      dma_addr_t DataDMA)
 {
@@ -814,7 +818,7 @@ static boolean DAC960_V1_ExecuteType3(DAC960_Controller_T *Controller,
   on failure.
 */
 
-static boolean DAC960_V1_ExecuteType3B(DAC960_Controller_T *Controller,
+static bool DAC960_V1_ExecuteType3B(DAC960_Controller_T *Controller,
                                       DAC960_V1_CommandOpcode_T CommandOpcode,
                                       unsigned char CommandOpcode2,
                                       dma_addr_t DataDMA)
@@ -840,7 +844,7 @@ static boolean DAC960_V1_ExecuteType3B(DAC960_Controller_T *Controller,
   on failure.
 */
 
-static boolean DAC960_V1_ExecuteType3D(DAC960_Controller_T *Controller,
+static bool DAC960_V1_ExecuteType3D(DAC960_Controller_T *Controller,
                                       DAC960_V1_CommandOpcode_T CommandOpcode,
                                       unsigned char Channel,
                                       unsigned char TargetID,
@@ -870,7 +874,7 @@ static boolean DAC960_V1_ExecuteType3D(DAC960_Controller_T *Controller,
   Return data in The controller's HealthStatusBuffer, which is dma-able memory
 */
 
-static boolean DAC960_V2_GeneralInfo(DAC960_Controller_T *Controller)
+static bool DAC960_V2_GeneralInfo(DAC960_Controller_T *Controller)
 {
   DAC960_Command_T *Command = DAC960_AllocateCommand(Controller);
   DAC960_V2_CommandMailbox_T *CommandMailbox = &Command->V2.CommandMailbox;
@@ -908,7 +912,7 @@ static boolean DAC960_V2_GeneralInfo(DAC960_Controller_T *Controller)
   memory buffer.
 */
 
-static boolean DAC960_V2_NewControllerInfo(DAC960_Controller_T *Controller)
+static bool DAC960_V2_NewControllerInfo(DAC960_Controller_T *Controller)
 {
   DAC960_Command_T *Command = DAC960_AllocateCommand(Controller);
   DAC960_V2_CommandMailbox_T *CommandMailbox = &Command->V2.CommandMailbox;
@@ -946,7 +950,7 @@ static boolean DAC960_V2_NewControllerInfo(DAC960_Controller_T *Controller)
   Data is returned in the controller's V2.NewLogicalDeviceInformation
 */
 
-static boolean DAC960_V2_NewLogicalDeviceInfo(DAC960_Controller_T *Controller,
+static bool DAC960_V2_NewLogicalDeviceInfo(DAC960_Controller_T *Controller,
                                           unsigned short LogicalDeviceNumber)
 {
   DAC960_Command_T *Command = DAC960_AllocateCommand(Controller);
@@ -997,7 +1001,7 @@ static boolean DAC960_V2_NewLogicalDeviceInfo(DAC960_Controller_T *Controller,
 
 */
 
-static boolean DAC960_V2_NewPhysicalDeviceInfo(DAC960_Controller_T *Controller,
+static bool DAC960_V2_NewPhysicalDeviceInfo(DAC960_Controller_T *Controller,
                                            unsigned char Channel,
                                            unsigned char TargetID,
                                            unsigned char LogicalUnit)
@@ -1082,7 +1086,7 @@ static void DAC960_V2_ConstructNewUnitSerialNumber(
   memory buffer.
 */
 
-static boolean DAC960_V2_NewInquiryUnitSerialNumber(DAC960_Controller_T *Controller,
+static bool DAC960_V2_NewInquiryUnitSerialNumber(DAC960_Controller_T *Controller,
                        int Channel, int TargetID, int LogicalUnit)
 {
       DAC960_Command_T *Command;
@@ -1110,7 +1114,7 @@ static boolean DAC960_V2_NewInquiryUnitSerialNumber(DAC960_Controller_T *Control
   success and false on failure.
 */
 
-static boolean DAC960_V2_DeviceOperation(DAC960_Controller_T *Controller,
+static bool DAC960_V2_DeviceOperation(DAC960_Controller_T *Controller,
                                         DAC960_V2_IOCTL_Opcode_T IOCTL_Opcode,
                                         DAC960_V2_OperationDevice_T
                                           OperationDevice)
@@ -1142,7 +1146,7 @@ static boolean DAC960_V2_DeviceOperation(DAC960_Controller_T *Controller,
   other dma mapped memory.
 */
 
-static boolean DAC960_V1_EnableMemoryMailboxInterface(DAC960_Controller_T
+static bool DAC960_V1_EnableMemoryMailboxInterface(DAC960_Controller_T
                                                      *Controller)
 {
   void __iomem *ControllerBaseAddress = Controller->BaseAddress;
@@ -1165,9 +1169,9 @@ static boolean DAC960_V1_EnableMemoryMailboxInterface(DAC960_Controller_T
   int i;
 
   
-  if (pci_set_dma_mask(Controller->PCIDevice, DAC690_V1_PciDmaMask))
+  if (pci_set_dma_mask(Controller->PCIDevice, DMA_32BIT_MASK))
        return DAC960_Failure(Controller, "DMA mask out of range");
-  Controller->BounceBufferLimit = DAC690_V1_PciDmaMask;
+  Controller->BounceBufferLimit = DMA_32BIT_MASK;
 
   if ((hw_type == DAC960_PD_Controller) || (hw_type == DAC960_P_Controller)) {
     CommandMailboxesSize =  0;
@@ -1348,7 +1352,7 @@ skip_mailboxes:
   the structures that are contained in that region.
 */
 
-static boolean DAC960_V2_EnableMemoryMailboxInterface(DAC960_Controller_T
+static bool DAC960_V2_EnableMemoryMailboxInterface(DAC960_Controller_T
                                                      *Controller)
 {
   void __iomem *ControllerBaseAddress = Controller->BaseAddress;
@@ -1368,9 +1372,12 @@ static boolean DAC960_V2_EnableMemoryMailboxInterface(DAC960_Controller_T
   dma_addr_t   CommandMailboxDMA;
   DAC960_V2_CommandStatus_T CommandStatus;
 
-  if (pci_set_dma_mask(Controller->PCIDevice, DAC690_V2_PciDmaMask))
-       return DAC960_Failure(Controller, "DMA mask out of range");
-  Controller->BounceBufferLimit = DAC690_V2_PciDmaMask;
+       if (!pci_set_dma_mask(Controller->PCIDevice, DMA_64BIT_MASK))
+               Controller->BounceBufferLimit = DMA_64BIT_MASK;
+       else if (!pci_set_dma_mask(Controller->PCIDevice, DMA_32BIT_MASK))
+               Controller->BounceBufferLimit = DMA_32BIT_MASK;
+       else
+               return DAC960_Failure(Controller, "DMA mask out of range");
 
   /* This is a temporary dma mapping, used only in the scope of this function */
   CommandMailbox = pci_alloc_consistent(PCI_Device,
@@ -1525,7 +1532,7 @@ static boolean DAC960_V2_EnableMemoryMailboxInterface(DAC960_Controller_T
   from DAC960 V1 Firmware Controllers and initializes the Controller structure.
 */
 
-static boolean DAC960_V1_ReadControllerConfiguration(DAC960_Controller_T
+static bool DAC960_V1_ReadControllerConfiguration(DAC960_Controller_T
                                                     *Controller)
 {
   DAC960_V1_Enquiry2_T *Enquiry2;
@@ -1766,7 +1773,7 @@ static boolean DAC960_V1_ReadControllerConfiguration(DAC960_Controller_T
   from DAC960 V2 Firmware Controllers and initializes the Controller structure.
 */
 
-static boolean DAC960_V2_ReadControllerConfiguration(DAC960_Controller_T
+static bool DAC960_V2_ReadControllerConfiguration(DAC960_Controller_T
                                                     *Controller)
 {
   DAC960_V2_ControllerInfo_T *ControllerInfo =
@@ -1897,7 +1904,7 @@ static boolean DAC960_V2_ReadControllerConfiguration(DAC960_Controller_T
   for Controller.
 */
 
-static boolean DAC960_ReportControllerConfiguration(DAC960_Controller_T
+static bool DAC960_ReportControllerConfiguration(DAC960_Controller_T
                                                    *Controller)
 {
   DAC960_Info("Configuring Mylex %s PCI RAID Controller\n",
@@ -1946,7 +1953,7 @@ static boolean DAC960_ReportControllerConfiguration(DAC960_Controller_T
   Controller.
 */
 
-static boolean DAC960_V1_ReadDeviceConfiguration(DAC960_Controller_T
+static bool DAC960_V1_ReadDeviceConfiguration(DAC960_Controller_T
                                                 *Controller)
 {
   struct dma_loaf local_dma;
@@ -2094,7 +2101,7 @@ static boolean DAC960_V1_ReadDeviceConfiguration(DAC960_Controller_T
   device connected to Controller.
 */
 
-static boolean DAC960_V2_ReadDeviceConfiguration(DAC960_Controller_T
+static bool DAC960_V2_ReadDeviceConfiguration(DAC960_Controller_T
                                                 *Controller)
 {
   unsigned char Channel = 0, TargetID = 0, LogicalUnit = 0;
@@ -2218,7 +2225,7 @@ static void DAC960_SanitizeInquiryData(DAC960_SCSI_Inquiry_T
   Information for DAC960 V1 Firmware Controllers.
 */
 
-static boolean DAC960_V1_ReportDeviceConfiguration(DAC960_Controller_T
+static bool DAC960_V1_ReportDeviceConfiguration(DAC960_Controller_T
                                                   *Controller)
 {
   int LogicalDriveNumber, Channel, TargetID;
@@ -2315,7 +2322,7 @@ static boolean DAC960_V1_ReportDeviceConfiguration(DAC960_Controller_T
   Information for DAC960 V2 Firmware Controllers.
 */
 
-static boolean DAC960_V2_ReportDeviceConfiguration(DAC960_Controller_T
+static bool DAC960_V2_ReportDeviceConfiguration(DAC960_Controller_T
                                                   *Controller)
 {
   int PhysicalDeviceIndex, LogicalDriveNumber;
@@ -2500,7 +2507,7 @@ static boolean DAC960_V2_ReportDeviceConfiguration(DAC960_Controller_T
   associated with Controller.
 */
 
-static boolean DAC960_RegisterBlockDevice(DAC960_Controller_T *Controller)
+static bool DAC960_RegisterBlockDevice(DAC960_Controller_T *Controller)
 {
   int MajorNumber = DAC960_MAJOR + Controller->ControllerNumber;
   int n;
@@ -2581,7 +2588,7 @@ static void DAC960_ComputeGenericDiskInfo(DAC960_Controller_T *Controller)
   It returns true for fatal errors and false otherwise.
 */
 
-static boolean DAC960_ReportErrorStatus(DAC960_Controller_T *Controller,
+static bool DAC960_ReportErrorStatus(DAC960_Controller_T *Controller,
                                        unsigned char ErrorStatus,
                                        unsigned char Parameter0,
                                        unsigned char Parameter1)
@@ -3047,7 +3054,7 @@ Failure:
   DAC960_InitializeController initializes Controller.
 */
 
-static boolean 
+static bool 
 DAC960_InitializeController(DAC960_Controller_T *Controller)
 {
   if (DAC960_ReadControllerConfiguration(Controller) &&
@@ -3444,23 +3451,16 @@ static void DAC960_RequestFunction(struct request_queue *RequestQueue)
   individual Buffer.
 */
 
-static inline boolean DAC960_ProcessCompletedRequest(DAC960_Command_T *Command,
-                                                boolean SuccessfulIO)
+static inline bool DAC960_ProcessCompletedRequest(DAC960_Command_T *Command,
+                                                bool SuccessfulIO)
 {
        struct request *Request = Command->Request;
-       int UpToDate;
-
-       UpToDate = 0;
-       if (SuccessfulIO)
-               UpToDate = 1;
+       int Error = SuccessfulIO ? 0 : -EIO;
 
        pci_unmap_sg(Command->Controller->PCIDevice, Command->cmd_sglist,
                Command->SegmentCount, Command->DmaDirection);
 
-        if (!end_that_request_first(Request, UpToDate, Command->BlockCount)) {
-               add_disk_randomness(Request->rq_disk);
-               end_that_request_last(Request, UpToDate);
-
+        if (!__blk_end_request(Request, Error, Command->BlockCount << 9)) {
                if (Command->Completion) {
                        complete(Command->Completion);
                        Command->Completion = NULL;
@@ -3571,7 +3571,7 @@ static void DAC960_V1_ProcessCompletedCommand(DAC960_Command_T *Command)
   else if (CommandType == DAC960_ReadRetryCommand ||
           CommandType == DAC960_WriteRetryCommand)
     {
-      boolean normal_completion;
+      bool normal_completion;
 #ifdef FORCE_RETRY_FAILURE_DEBUG
       static int retry_count = 1;
 #endif
@@ -4658,7 +4658,7 @@ static void DAC960_V2_ProcessCompletedCommand(DAC960_Command_T *Command)
   else if (CommandType == DAC960_ReadRetryCommand ||
           CommandType == DAC960_WriteRetryCommand)
     {
-      boolean normal_completion;
+      bool normal_completion;
 
 #ifdef FORCE_RETRY_FAILURE_DEBUG
       static int retry_count = 1;
@@ -5631,7 +5631,7 @@ static void DAC960_MonitoringTimerFunction(unsigned long TimerData)
        &Controller->V2.ControllerInformation;
       unsigned int StatusChangeCounter =
        Controller->V2.HealthStatusBuffer->StatusChangeCounter;
-      boolean ForceMonitoringCommand = false;
+      bool ForceMonitoringCommand = false;
       if (time_after(jiffies, Controller->SecondaryMonitoringTime
          + DAC960_SecondaryMonitoringInterval))
        {
@@ -5695,7 +5695,7 @@ static void DAC960_MonitoringTimerFunction(unsigned long TimerData)
   necessary.  It returns true if there is enough room and false otherwise.
 */
 
-static boolean DAC960_CheckStatusBuffer(DAC960_Controller_T *Controller,
+static bool DAC960_CheckStatusBuffer(DAC960_Controller_T *Controller,
                                        unsigned int ByteCount)
 {
   unsigned char *NewStatusBuffer;
@@ -5743,7 +5743,7 @@ static void DAC960_Message(DAC960_MessageLevel_T MessageLevel,
                           ...)
 {
   static unsigned char Buffer[DAC960_LineBufferSize];
-  static boolean BeginningOfLine = true;
+  static bool BeginningOfLine = true;
   va_list Arguments;
   int Length = 0;
   va_start(Arguments, Controller);
@@ -5836,7 +5836,7 @@ static void DAC960_Message(DAC960_MessageLevel_T MessageLevel,
   Channel and TargetID and returns true on success and false on failure.
 */
 
-static boolean DAC960_ParsePhysicalDevice(DAC960_Controller_T *Controller,
+static bool DAC960_ParsePhysicalDevice(DAC960_Controller_T *Controller,
                                          char *UserCommandString,
                                          unsigned char *Channel,
                                          unsigned char *TargetID)
@@ -5869,7 +5869,7 @@ static boolean DAC960_ParsePhysicalDevice(DAC960_Controller_T *Controller,
   returns true on success and false on failure.
 */
 
-static boolean DAC960_ParseLogicalDrive(DAC960_Controller_T *Controller,
+static bool DAC960_ParseLogicalDrive(DAC960_Controller_T *Controller,
                                        char *UserCommandString,
                                        unsigned char *LogicalDriveNumber)
 {
@@ -5950,7 +5950,7 @@ static void DAC960_V1_SetDeviceState(DAC960_Controller_T *Controller,
   Controllers.
 */
 
-static boolean DAC960_V1_ExecuteUserCommand(DAC960_Controller_T *Controller,
+static bool DAC960_V1_ExecuteUserCommand(DAC960_Controller_T *Controller,
                                            unsigned char *UserCommand)
 {
   DAC960_Command_T *Command;
@@ -6165,7 +6165,7 @@ failure:
   on failure.
 */
 
-static boolean DAC960_V2_TranslatePhysicalDevice(DAC960_Command_T *Command,
+static bool DAC960_V2_TranslatePhysicalDevice(DAC960_Command_T *Command,
                                                 unsigned char Channel,
                                                 unsigned char TargetID,
                                                 unsigned short
@@ -6212,7 +6212,7 @@ static boolean DAC960_V2_TranslatePhysicalDevice(DAC960_Command_T *Command,
   Controllers.
 */
 
-static boolean DAC960_V2_ExecuteUserCommand(DAC960_Controller_T *Controller,
+static bool DAC960_V2_ExecuteUserCommand(DAC960_Controller_T *Controller,
                                            unsigned char *UserCommand)
 {
   DAC960_Command_T *Command;
@@ -7024,7 +7024,7 @@ static int DAC960_gam_ioctl(struct inode *inode, struct file *file,
   return -EINVAL;
 }
 
-static struct file_operations DAC960_gam_fops = {
+static const struct file_operations DAC960_gam_fops = {
        .owner          = THIS_MODULE,
        .ioctl          = DAC960_gam_ioctl
 };