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path: root/drivers/block/DAC960.c
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Diffstat (limited to 'drivers/block/DAC960.c')
-rw-r--r--drivers/block/DAC960.c207
1 files changed, 112 insertions, 95 deletions
diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c
index 255591ab3716..f781eff7d23e 100644
--- a/drivers/block/DAC960.c
+++ b/drivers/block/DAC960.c
@@ -268,17 +268,17 @@ static bool DAC960_CreateAuxiliaryStructures(DAC960_Controller_T *Controller)
void *AllocationPointer = NULL;
void *ScatterGatherCPU = NULL;
dma_addr_t ScatterGatherDMA;
- struct pci_pool *ScatterGatherPool;
+ struct dma_pool *ScatterGatherPool;
void *RequestSenseCPU = NULL;
dma_addr_t RequestSenseDMA;
- struct pci_pool *RequestSensePool = NULL;
+ struct dma_pool *RequestSensePool = NULL;
if (Controller->FirmwareType == DAC960_V1_Controller)
{
CommandAllocationLength = offsetof(DAC960_Command_T, V1.EndMarker);
CommandAllocationGroupSize = DAC960_V1_CommandAllocationGroupSize;
- ScatterGatherPool = pci_pool_create("DAC960_V1_ScatterGather",
- Controller->PCIDevice,
+ ScatterGatherPool = dma_pool_create("DAC960_V1_ScatterGather",
+ &Controller->PCIDevice->dev,
DAC960_V1_ScatterGatherLimit * sizeof(DAC960_V1_ScatterGatherSegment_T),
sizeof(DAC960_V1_ScatterGatherSegment_T), 0);
if (ScatterGatherPool == NULL)
@@ -290,18 +290,18 @@ static bool DAC960_CreateAuxiliaryStructures(DAC960_Controller_T *Controller)
{
CommandAllocationLength = offsetof(DAC960_Command_T, V2.EndMarker);
CommandAllocationGroupSize = DAC960_V2_CommandAllocationGroupSize;
- ScatterGatherPool = pci_pool_create("DAC960_V2_ScatterGather",
- Controller->PCIDevice,
+ ScatterGatherPool = dma_pool_create("DAC960_V2_ScatterGather",
+ &Controller->PCIDevice->dev,
DAC960_V2_ScatterGatherLimit * sizeof(DAC960_V2_ScatterGatherSegment_T),
sizeof(DAC960_V2_ScatterGatherSegment_T), 0);
if (ScatterGatherPool == NULL)
return DAC960_Failure(Controller,
"AUXILIARY STRUCTURE CREATION (SG)");
- RequestSensePool = pci_pool_create("DAC960_V2_RequestSense",
- Controller->PCIDevice, sizeof(DAC960_SCSI_RequestSense_T),
+ RequestSensePool = dma_pool_create("DAC960_V2_RequestSense",
+ &Controller->PCIDevice->dev, sizeof(DAC960_SCSI_RequestSense_T),
sizeof(int), 0);
if (RequestSensePool == NULL) {
- pci_pool_destroy(ScatterGatherPool);
+ dma_pool_destroy(ScatterGatherPool);
return DAC960_Failure(Controller,
"AUXILIARY STRUCTURE CREATION (SG)");
}
@@ -335,16 +335,16 @@ static bool DAC960_CreateAuxiliaryStructures(DAC960_Controller_T *Controller)
Command->Next = Controller->FreeCommands;
Controller->FreeCommands = Command;
Controller->Commands[CommandIdentifier-1] = Command;
- ScatterGatherCPU = pci_pool_alloc(ScatterGatherPool, GFP_ATOMIC,
+ ScatterGatherCPU = dma_pool_alloc(ScatterGatherPool, GFP_ATOMIC,
&ScatterGatherDMA);
if (ScatterGatherCPU == NULL)
return DAC960_Failure(Controller, "AUXILIARY STRUCTURE CREATION");
if (RequestSensePool != NULL) {
- RequestSenseCPU = pci_pool_alloc(RequestSensePool, GFP_ATOMIC,
+ RequestSenseCPU = dma_pool_alloc(RequestSensePool, GFP_ATOMIC,
&RequestSenseDMA);
if (RequestSenseCPU == NULL) {
- pci_pool_free(ScatterGatherPool, ScatterGatherCPU,
+ dma_pool_free(ScatterGatherPool, ScatterGatherCPU,
ScatterGatherDMA);
return DAC960_Failure(Controller,
"AUXILIARY STRUCTURE CREATION");
@@ -379,8 +379,8 @@ static bool DAC960_CreateAuxiliaryStructures(DAC960_Controller_T *Controller)
static void DAC960_DestroyAuxiliaryStructures(DAC960_Controller_T *Controller)
{
int i;
- struct pci_pool *ScatterGatherPool = Controller->ScatterGatherPool;
- struct pci_pool *RequestSensePool = NULL;
+ struct dma_pool *ScatterGatherPool = Controller->ScatterGatherPool;
+ struct dma_pool *RequestSensePool = NULL;
void *ScatterGatherCPU;
dma_addr_t ScatterGatherDMA;
void *RequestSenseCPU;
@@ -411,9 +411,9 @@ static void DAC960_DestroyAuxiliaryStructures(DAC960_Controller_T *Controller)
RequestSenseDMA = Command->V2.RequestSenseDMA;
}
if (ScatterGatherCPU != NULL)
- pci_pool_free(ScatterGatherPool, ScatterGatherCPU, ScatterGatherDMA);
+ dma_pool_free(ScatterGatherPool, ScatterGatherCPU, ScatterGatherDMA);
if (RequestSenseCPU != NULL)
- pci_pool_free(RequestSensePool, RequestSenseCPU, RequestSenseDMA);
+ dma_pool_free(RequestSensePool, RequestSenseCPU, RequestSenseDMA);
if ((Command->CommandIdentifier
% Controller->CommandAllocationGroupSize) == 1) {
@@ -437,13 +437,11 @@ static void DAC960_DestroyAuxiliaryStructures(DAC960_Controller_T *Controller)
Controller->CurrentStatusBuffer = NULL;
}
- if (ScatterGatherPool != NULL)
- pci_pool_destroy(ScatterGatherPool);
+ dma_pool_destroy(ScatterGatherPool);
if (Controller->FirmwareType == DAC960_V1_Controller)
return;
- if (RequestSensePool != NULL)
- pci_pool_destroy(RequestSensePool);
+ dma_pool_destroy(RequestSensePool);
for (i = 0; i < DAC960_MaxLogicalDrives; i++) {
kfree(Controller->V2.LogicalDeviceInformation[i]);
@@ -3079,11 +3077,10 @@ DAC960_InitializeController(DAC960_Controller_T *Controller)
/*
Initialize the Monitoring Timer.
*/
- init_timer(&Controller->MonitoringTimer);
+ timer_setup(&Controller->MonitoringTimer,
+ DAC960_MonitoringTimerFunction, 0);
Controller->MonitoringTimer.expires =
jiffies + DAC960_MonitoringTimerInterval;
- Controller->MonitoringTimer.data = (unsigned long) Controller;
- Controller->MonitoringTimer.function = DAC960_MonitoringTimerFunction;
add_timer(&Controller->MonitoringTimer);
Controller->ControllerInitialized = true;
return true;
@@ -5620,9 +5617,9 @@ static void DAC960_V2_QueueMonitoringCommand(DAC960_Command_T *Command)
the status of DAC960 Controllers.
*/
-static void DAC960_MonitoringTimerFunction(unsigned long TimerData)
+static void DAC960_MonitoringTimerFunction(struct timer_list *t)
{
- DAC960_Controller_T *Controller = (DAC960_Controller_T *) TimerData;
+ DAC960_Controller_T *Controller = from_timer(Controller, t, MonitoringTimer);
DAC960_Command_T *Command;
unsigned long flags;
@@ -6620,43 +6617,27 @@ static void DAC960_DestroyProcEntries(DAC960_Controller_T *Controller)
#ifdef DAC960_GAM_MINOR
-/*
- * DAC960_gam_ioctl is the ioctl function for performing RAID operations.
-*/
-
-static long DAC960_gam_ioctl(struct file *file, unsigned int Request,
- unsigned long Argument)
+static long DAC960_gam_get_controller_info(DAC960_ControllerInfo_T __user *UserSpaceControllerInfo)
{
- long ErrorCode = 0;
- if (!capable(CAP_SYS_ADMIN)) return -EACCES;
-
- mutex_lock(&DAC960_mutex);
- switch (Request)
- {
- case DAC960_IOCTL_GET_CONTROLLER_COUNT:
- ErrorCode = DAC960_ControllerCount;
- break;
- case DAC960_IOCTL_GET_CONTROLLER_INFO:
- {
- DAC960_ControllerInfo_T __user *UserSpaceControllerInfo =
- (DAC960_ControllerInfo_T __user *) Argument;
DAC960_ControllerInfo_T ControllerInfo;
DAC960_Controller_T *Controller;
int ControllerNumber;
+ long ErrorCode;
+
if (UserSpaceControllerInfo == NULL)
ErrorCode = -EINVAL;
else ErrorCode = get_user(ControllerNumber,
&UserSpaceControllerInfo->ControllerNumber);
if (ErrorCode != 0)
- break;
+ goto out;
ErrorCode = -ENXIO;
if (ControllerNumber < 0 ||
ControllerNumber > DAC960_ControllerCount - 1) {
- break;
+ goto out;
}
Controller = DAC960_Controllers[ControllerNumber];
if (Controller == NULL)
- break;
+ goto out;
memset(&ControllerInfo, 0, sizeof(DAC960_ControllerInfo_T));
ControllerInfo.ControllerNumber = ControllerNumber;
ControllerInfo.FirmwareType = Controller->FirmwareType;
@@ -6671,12 +6652,12 @@ static long DAC960_gam_ioctl(struct file *file, unsigned int Request,
strcpy(ControllerInfo.FirmwareVersion, Controller->FirmwareVersion);
ErrorCode = (copy_to_user(UserSpaceControllerInfo, &ControllerInfo,
sizeof(DAC960_ControllerInfo_T)) ? -EFAULT : 0);
- break;
- }
- case DAC960_IOCTL_V1_EXECUTE_COMMAND:
- {
- DAC960_V1_UserCommand_T __user *UserSpaceUserCommand =
- (DAC960_V1_UserCommand_T __user *) Argument;
+out:
+ return ErrorCode;
+}
+
+static long DAC960_gam_v1_execute_command(DAC960_V1_UserCommand_T __user *UserSpaceUserCommand)
+{
DAC960_V1_UserCommand_T UserCommand;
DAC960_Controller_T *Controller;
DAC960_Command_T *Command = NULL;
@@ -6689,39 +6670,41 @@ static long DAC960_gam_ioctl(struct file *file, unsigned int Request,
int ControllerNumber, DataTransferLength;
unsigned char *DataTransferBuffer = NULL;
dma_addr_t DataTransferBufferDMA;
+ long ErrorCode;
+
if (UserSpaceUserCommand == NULL) {
ErrorCode = -EINVAL;
- break;
+ goto out;
}
if (copy_from_user(&UserCommand, UserSpaceUserCommand,
sizeof(DAC960_V1_UserCommand_T))) {
ErrorCode = -EFAULT;
- break;
+ goto out;
}
ControllerNumber = UserCommand.ControllerNumber;
ErrorCode = -ENXIO;
if (ControllerNumber < 0 ||
ControllerNumber > DAC960_ControllerCount - 1)
- break;
+ goto out;
Controller = DAC960_Controllers[ControllerNumber];
if (Controller == NULL)
- break;
+ goto out;
ErrorCode = -EINVAL;
if (Controller->FirmwareType != DAC960_V1_Controller)
- break;
+ goto out;
CommandOpcode = UserCommand.CommandMailbox.Common.CommandOpcode;
DataTransferLength = UserCommand.DataTransferLength;
if (CommandOpcode & 0x80)
- break;
+ goto out;
if (CommandOpcode == DAC960_V1_DCDB)
{
if (copy_from_user(&DCDB, UserCommand.DCDB,
sizeof(DAC960_V1_DCDB_T))) {
ErrorCode = -EFAULT;
- break;
+ goto out;
}
if (DCDB.Channel >= DAC960_V1_MaxChannels)
- break;
+ goto out;
if (!((DataTransferLength == 0 &&
DCDB.Direction
== DAC960_V1_DCDB_NoDataTransfer) ||
@@ -6731,15 +6714,15 @@ static long DAC960_gam_ioctl(struct file *file, unsigned int Request,
(DataTransferLength < 0 &&
DCDB.Direction
== DAC960_V1_DCDB_DataTransferSystemToDevice)))
- break;
+ goto out;
if (((DCDB.TransferLengthHigh4 << 16) | DCDB.TransferLength)
!= abs(DataTransferLength))
- break;
+ goto out;
DCDB_IOBUF = pci_alloc_consistent(Controller->PCIDevice,
sizeof(DAC960_V1_DCDB_T), &DCDB_IOBUFDMA);
if (DCDB_IOBUF == NULL) {
ErrorCode = -ENOMEM;
- break;
+ goto out;
}
}
ErrorCode = -ENOMEM;
@@ -6749,19 +6732,19 @@ static long DAC960_gam_ioctl(struct file *file, unsigned int Request,
DataTransferLength,
&DataTransferBufferDMA);
if (DataTransferBuffer == NULL)
- break;
+ goto out;
}
else if (DataTransferLength < 0)
{
DataTransferBuffer = pci_alloc_consistent(Controller->PCIDevice,
-DataTransferLength, &DataTransferBufferDMA);
if (DataTransferBuffer == NULL)
- break;
+ goto out;
if (copy_from_user(DataTransferBuffer,
UserCommand.DataTransferBuffer,
-DataTransferLength)) {
ErrorCode = -EFAULT;
- break;
+ goto out;
}
}
if (CommandOpcode == DAC960_V1_DCDB)
@@ -6838,12 +6821,12 @@ static long DAC960_gam_ioctl(struct file *file, unsigned int Request,
if (DCDB_IOBUF != NULL)
pci_free_consistent(Controller->PCIDevice, sizeof(DAC960_V1_DCDB_T),
DCDB_IOBUF, DCDB_IOBUFDMA);
- break;
- }
- case DAC960_IOCTL_V2_EXECUTE_COMMAND:
- {
- DAC960_V2_UserCommand_T __user *UserSpaceUserCommand =
- (DAC960_V2_UserCommand_T __user *) Argument;
+ out:
+ return ErrorCode;
+}
+
+static long DAC960_gam_v2_execute_command(DAC960_V2_UserCommand_T __user *UserSpaceUserCommand)
+{
DAC960_V2_UserCommand_T UserCommand;
DAC960_Controller_T *Controller;
DAC960_Command_T *Command = NULL;
@@ -6856,26 +6839,26 @@ static long DAC960_gam_ioctl(struct file *file, unsigned int Request,
dma_addr_t DataTransferBufferDMA;
unsigned char *RequestSenseBuffer = NULL;
dma_addr_t RequestSenseBufferDMA;
+ long ErrorCode = -EINVAL;
- ErrorCode = -EINVAL;
if (UserSpaceUserCommand == NULL)
- break;
+ goto out;
if (copy_from_user(&UserCommand, UserSpaceUserCommand,
sizeof(DAC960_V2_UserCommand_T))) {
ErrorCode = -EFAULT;
- break;
+ goto out;
}
ErrorCode = -ENXIO;
ControllerNumber = UserCommand.ControllerNumber;
if (ControllerNumber < 0 ||
ControllerNumber > DAC960_ControllerCount - 1)
- break;
+ goto out;
Controller = DAC960_Controllers[ControllerNumber];
if (Controller == NULL)
- break;
+ goto out;
if (Controller->FirmwareType != DAC960_V2_Controller){
ErrorCode = -EINVAL;
- break;
+ goto out;
}
DataTransferLength = UserCommand.DataTransferLength;
ErrorCode = -ENOMEM;
@@ -6885,14 +6868,14 @@ static long DAC960_gam_ioctl(struct file *file, unsigned int Request,
DataTransferLength,
&DataTransferBufferDMA);
if (DataTransferBuffer == NULL)
- break;
+ goto out;
}
else if (DataTransferLength < 0)
{
DataTransferBuffer = pci_alloc_consistent(Controller->PCIDevice,
-DataTransferLength, &DataTransferBufferDMA);
if (DataTransferBuffer == NULL)
- break;
+ goto out;
if (copy_from_user(DataTransferBuffer,
UserCommand.DataTransferBuffer,
-DataTransferLength)) {
@@ -7002,42 +6985,44 @@ static long DAC960_gam_ioctl(struct file *file, unsigned int Request,
if (RequestSenseBuffer != NULL)
pci_free_consistent(Controller->PCIDevice, RequestSenseLength,
RequestSenseBuffer, RequestSenseBufferDMA);
- break;
- }
- case DAC960_IOCTL_V2_GET_HEALTH_STATUS:
- {
- DAC960_V2_GetHealthStatus_T __user *UserSpaceGetHealthStatus =
- (DAC960_V2_GetHealthStatus_T __user *) Argument;
+out:
+ return ErrorCode;
+}
+
+static long DAC960_gam_v2_get_health_status(DAC960_V2_GetHealthStatus_T __user *UserSpaceGetHealthStatus)
+{
DAC960_V2_GetHealthStatus_T GetHealthStatus;
DAC960_V2_HealthStatusBuffer_T HealthStatusBuffer;
DAC960_Controller_T *Controller;
int ControllerNumber;
+ long ErrorCode;
+
if (UserSpaceGetHealthStatus == NULL) {
ErrorCode = -EINVAL;
- break;
+ goto out;
}
if (copy_from_user(&GetHealthStatus, UserSpaceGetHealthStatus,
sizeof(DAC960_V2_GetHealthStatus_T))) {
ErrorCode = -EFAULT;
- break;
+ goto out;
}
ErrorCode = -ENXIO;
ControllerNumber = GetHealthStatus.ControllerNumber;
if (ControllerNumber < 0 ||
ControllerNumber > DAC960_ControllerCount - 1)
- break;
+ goto out;
Controller = DAC960_Controllers[ControllerNumber];
if (Controller == NULL)
- break;
+ goto out;
if (Controller->FirmwareType != DAC960_V2_Controller) {
ErrorCode = -EINVAL;
- break;
+ goto out;
}
if (copy_from_user(&HealthStatusBuffer,
GetHealthStatus.HealthStatusBuffer,
sizeof(DAC960_V2_HealthStatusBuffer_T))) {
ErrorCode = -EFAULT;
- break;
+ goto out;
}
ErrorCode = wait_event_interruptible_timeout(Controller->HealthStatusWaitQueue,
!(Controller->V2.HealthStatusBuffer->StatusChangeCounter
@@ -7047,7 +7032,7 @@ static long DAC960_gam_ioctl(struct file *file, unsigned int Request,
DAC960_MonitoringTimerInterval);
if (ErrorCode == -ERESTARTSYS) {
ErrorCode = -EINTR;
- break;
+ goto out;
}
if (copy_to_user(GetHealthStatus.HealthStatusBuffer,
Controller->V2.HealthStatusBuffer,
@@ -7055,7 +7040,39 @@ static long DAC960_gam_ioctl(struct file *file, unsigned int Request,
ErrorCode = -EFAULT;
else
ErrorCode = 0;
- }
+
+out:
+ return ErrorCode;
+}
+
+/*
+ * DAC960_gam_ioctl is the ioctl function for performing RAID operations.
+*/
+
+static long DAC960_gam_ioctl(struct file *file, unsigned int Request,
+ unsigned long Argument)
+{
+ long ErrorCode = 0;
+ void __user *argp = (void __user *)Argument;
+ if (!capable(CAP_SYS_ADMIN)) return -EACCES;
+
+ mutex_lock(&DAC960_mutex);
+ switch (Request)
+ {
+ case DAC960_IOCTL_GET_CONTROLLER_COUNT:
+ ErrorCode = DAC960_ControllerCount;
+ break;
+ case DAC960_IOCTL_GET_CONTROLLER_INFO:
+ ErrorCode = DAC960_gam_get_controller_info(argp);
+ break;
+ case DAC960_IOCTL_V1_EXECUTE_COMMAND:
+ ErrorCode = DAC960_gam_v1_execute_command(argp);
+ break;
+ case DAC960_IOCTL_V2_EXECUTE_COMMAND:
+ ErrorCode = DAC960_gam_v2_execute_command(argp);
+ break;
+ case DAC960_IOCTL_V2_GET_HEALTH_STATUS:
+ ErrorCode = DAC960_gam_v2_get_health_status(argp);
break;
default:
ErrorCode = -ENOTTY;
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