mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-15 21:30:43 +00:00
DAC960: push down BKL
Signed-off-by: Alan Cox <alan@redhat.com> Cc: Richard Knutsson <ricknu-0@student.ltu.se> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Alan Cox
Jens Axboe
parent
5b6155ee70
commit
2610324fca
@ -6628,15 +6628,18 @@ static void DAC960_DestroyProcEntries(DAC960_Controller_T *Controller)
|
||||
* DAC960_gam_ioctl is the ioctl function for performing RAID operations.
|
||||
*/
|
||||
|
||||
static int DAC960_gam_ioctl(struct inode *inode, struct file *file,
|
||||
unsigned int Request, unsigned long Argument)
|
||||
static long DAC960_gam_ioctl(struct file *file, unsigned int Request,
|
||||
unsigned long Argument)
|
||||
{
|
||||
int ErrorCode = 0;
|
||||
long ErrorCode = 0;
|
||||
if (!capable(CAP_SYS_ADMIN)) return -EACCES;
|
||||
|
||||
lock_kernel();
|
||||
switch (Request)
|
||||
{
|
||||
case DAC960_IOCTL_GET_CONTROLLER_COUNT:
|
||||
return DAC960_ControllerCount;
|
||||
ErrorCode = DAC960_ControllerCount;
|
||||
break;
|
||||
case DAC960_IOCTL_GET_CONTROLLER_INFO:
|
||||
{
|
||||
DAC960_ControllerInfo_T __user *UserSpaceControllerInfo =
|
||||
@ -6644,15 +6647,20 @@ static int DAC960_gam_ioctl(struct inode *inode, struct file *file,
|
||||
DAC960_ControllerInfo_T ControllerInfo;
|
||||
DAC960_Controller_T *Controller;
|
||||
int ControllerNumber;
|
||||
if (UserSpaceControllerInfo == NULL) return -EINVAL;
|
||||
ErrorCode = get_user(ControllerNumber,
|
||||
if (UserSpaceControllerInfo == NULL)
|
||||
ErrorCode = -EINVAL;
|
||||
else ErrorCode = get_user(ControllerNumber,
|
||||
&UserSpaceControllerInfo->ControllerNumber);
|
||||
if (ErrorCode != 0) return ErrorCode;
|
||||
if (ErrorCode != 0)
|
||||
break;;
|
||||
ErrorCode = -ENXIO;
|
||||
if (ControllerNumber < 0 ||
|
||||
ControllerNumber > DAC960_ControllerCount - 1)
|
||||
return -ENXIO;
|
||||
ControllerNumber > DAC960_ControllerCount - 1) {
|
||||
break;
|
||||
}
|
||||
Controller = DAC960_Controllers[ControllerNumber];
|
||||
if (Controller == NULL) return -ENXIO;
|
||||
if (Controller == NULL)
|
||||
break;;
|
||||
memset(&ControllerInfo, 0, sizeof(DAC960_ControllerInfo_T));
|
||||
ControllerInfo.ControllerNumber = ControllerNumber;
|
||||
ControllerInfo.FirmwareType = Controller->FirmwareType;
|
||||
@ -6665,8 +6673,9 @@ static int DAC960_gam_ioctl(struct inode *inode, struct file *file,
|
||||
ControllerInfo.PCI_Address = Controller->PCI_Address;
|
||||
strcpy(ControllerInfo.ModelName, Controller->ModelName);
|
||||
strcpy(ControllerInfo.FirmwareVersion, Controller->FirmwareVersion);
|
||||
return (copy_to_user(UserSpaceControllerInfo, &ControllerInfo,
|
||||
ErrorCode = (copy_to_user(UserSpaceControllerInfo, &ControllerInfo,
|
||||
sizeof(DAC960_ControllerInfo_T)) ? -EFAULT : 0);
|
||||
break;
|
||||
}
|
||||
case DAC960_IOCTL_V1_EXECUTE_COMMAND:
|
||||
{
|
||||
@ -6684,30 +6693,39 @@ static int DAC960_gam_ioctl(struct inode *inode, struct file *file,
|
||||
int ControllerNumber, DataTransferLength;
|
||||
unsigned char *DataTransferBuffer = NULL;
|
||||
dma_addr_t DataTransferBufferDMA;
|
||||
if (UserSpaceUserCommand == NULL) return -EINVAL;
|
||||
if (UserSpaceUserCommand == NULL) {
|
||||
ErrorCode = -EINVAL;
|
||||
break;
|
||||
}
|
||||
if (copy_from_user(&UserCommand, UserSpaceUserCommand,
|
||||
sizeof(DAC960_V1_UserCommand_T))) {
|
||||
ErrorCode = -EFAULT;
|
||||
goto Failure1a;
|
||||
break;
|
||||
}
|
||||
ControllerNumber = UserCommand.ControllerNumber;
|
||||
ErrorCode = -ENXIO;
|
||||
if (ControllerNumber < 0 ||
|
||||
ControllerNumber > DAC960_ControllerCount - 1)
|
||||
return -ENXIO;
|
||||
break;
|
||||
Controller = DAC960_Controllers[ControllerNumber];
|
||||
if (Controller == NULL) return -ENXIO;
|
||||
if (Controller->FirmwareType != DAC960_V1_Controller) return -EINVAL;
|
||||
if (Controller == NULL)
|
||||
break;
|
||||
ErrorCode = -EINVAL;
|
||||
if (Controller->FirmwareType != DAC960_V1_Controller)
|
||||
break;
|
||||
CommandOpcode = UserCommand.CommandMailbox.Common.CommandOpcode;
|
||||
DataTransferLength = UserCommand.DataTransferLength;
|
||||
if (CommandOpcode & 0x80) return -EINVAL;
|
||||
if (CommandOpcode & 0x80)
|
||||
break;
|
||||
if (CommandOpcode == DAC960_V1_DCDB)
|
||||
{
|
||||
if (copy_from_user(&DCDB, UserCommand.DCDB,
|
||||
sizeof(DAC960_V1_DCDB_T))) {
|
||||
ErrorCode = -EFAULT;
|
||||
goto Failure1a;
|
||||
break;
|
||||
}
|
||||
if (DCDB.Channel >= DAC960_V1_MaxChannels) return -EINVAL;
|
||||
if (DCDB.Channel >= DAC960_V1_MaxChannels)
|
||||
break;
|
||||
if (!((DataTransferLength == 0 &&
|
||||
DCDB.Direction
|
||||
== DAC960_V1_DCDB_NoDataTransfer) ||
|
||||
@ -6717,38 +6735,37 @@ static int DAC960_gam_ioctl(struct inode *inode, struct file *file,
|
||||
(DataTransferLength < 0 &&
|
||||
DCDB.Direction
|
||||
== DAC960_V1_DCDB_DataTransferSystemToDevice)))
|
||||
return -EINVAL;
|
||||
break;
|
||||
if (((DCDB.TransferLengthHigh4 << 16) | DCDB.TransferLength)
|
||||
!= abs(DataTransferLength))
|
||||
return -EINVAL;
|
||||
break;
|
||||
DCDB_IOBUF = pci_alloc_consistent(Controller->PCIDevice,
|
||||
sizeof(DAC960_V1_DCDB_T), &DCDB_IOBUFDMA);
|
||||
if (DCDB_IOBUF == NULL)
|
||||
return -ENOMEM;
|
||||
if (DCDB_IOBUF == NULL) {
|
||||
ErrorCode = -ENOMEM;
|
||||
break;
|
||||
}
|
||||
}
|
||||
ErrorCode = -ENOMEM;
|
||||
if (DataTransferLength > 0)
|
||||
{
|
||||
DataTransferBuffer = pci_alloc_consistent(Controller->PCIDevice,
|
||||
DataTransferLength, &DataTransferBufferDMA);
|
||||
if (DataTransferBuffer == NULL) {
|
||||
ErrorCode = -ENOMEM;
|
||||
goto Failure1;
|
||||
}
|
||||
if (DataTransferBuffer == NULL)
|
||||
break;
|
||||
memset(DataTransferBuffer, 0, DataTransferLength);
|
||||
}
|
||||
else if (DataTransferLength < 0)
|
||||
{
|
||||
DataTransferBuffer = pci_alloc_consistent(Controller->PCIDevice,
|
||||
-DataTransferLength, &DataTransferBufferDMA);
|
||||
if (DataTransferBuffer == NULL) {
|
||||
ErrorCode = -ENOMEM;
|
||||
goto Failure1;
|
||||
}
|
||||
if (DataTransferBuffer == NULL)
|
||||
break;
|
||||
if (copy_from_user(DataTransferBuffer,
|
||||
UserCommand.DataTransferBuffer,
|
||||
-DataTransferLength)) {
|
||||
ErrorCode = -EFAULT;
|
||||
goto Failure1;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (CommandOpcode == DAC960_V1_DCDB)
|
||||
@ -6825,8 +6842,7 @@ static int DAC960_gam_ioctl(struct inode *inode, struct file *file,
|
||||
if (DCDB_IOBUF != NULL)
|
||||
pci_free_consistent(Controller->PCIDevice, sizeof(DAC960_V1_DCDB_T),
|
||||
DCDB_IOBUF, DCDB_IOBUFDMA);
|
||||
Failure1a:
|
||||
return ErrorCode;
|
||||
break;
|
||||
}
|
||||
case DAC960_IOCTL_V2_EXECUTE_COMMAND:
|
||||
{
|
||||
@ -6844,32 +6860,43 @@ static int DAC960_gam_ioctl(struct inode *inode, struct file *file,
|
||||
dma_addr_t DataTransferBufferDMA;
|
||||
unsigned char *RequestSenseBuffer = NULL;
|
||||
dma_addr_t RequestSenseBufferDMA;
|
||||
if (UserSpaceUserCommand == NULL) return -EINVAL;
|
||||
|
||||
ErrorCode = -EINVAL;
|
||||
if (UserSpaceUserCommand == NULL)
|
||||
break;
|
||||
if (copy_from_user(&UserCommand, UserSpaceUserCommand,
|
||||
sizeof(DAC960_V2_UserCommand_T))) {
|
||||
ErrorCode = -EFAULT;
|
||||
goto Failure2a;
|
||||
break;
|
||||
}
|
||||
ErrorCode = -ENXIO;
|
||||
ControllerNumber = UserCommand.ControllerNumber;
|
||||
if (ControllerNumber < 0 ||
|
||||
ControllerNumber > DAC960_ControllerCount - 1)
|
||||
return -ENXIO;
|
||||
break;
|
||||
Controller = DAC960_Controllers[ControllerNumber];
|
||||
if (Controller == NULL) return -ENXIO;
|
||||
if (Controller->FirmwareType != DAC960_V2_Controller) return -EINVAL;
|
||||
if (Controller == NULL)
|
||||
break;
|
||||
if (Controller->FirmwareType != DAC960_V2_Controller){
|
||||
ErrorCode = -EINVAL;
|
||||
break;
|
||||
}
|
||||
DataTransferLength = UserCommand.DataTransferLength;
|
||||
ErrorCode = -ENOMEM;
|
||||
if (DataTransferLength > 0)
|
||||
{
|
||||
DataTransferBuffer = pci_alloc_consistent(Controller->PCIDevice,
|
||||
DataTransferLength, &DataTransferBufferDMA);
|
||||
if (DataTransferBuffer == NULL) return -ENOMEM;
|
||||
if (DataTransferBuffer == NULL)
|
||||
break;
|
||||
memset(DataTransferBuffer, 0, DataTransferLength);
|
||||
}
|
||||
else if (DataTransferLength < 0)
|
||||
{
|
||||
DataTransferBuffer = pci_alloc_consistent(Controller->PCIDevice,
|
||||
-DataTransferLength, &DataTransferBufferDMA);
|
||||
if (DataTransferBuffer == NULL) return -ENOMEM;
|
||||
if (DataTransferBuffer == NULL)
|
||||
break;
|
||||
if (copy_from_user(DataTransferBuffer,
|
||||
UserCommand.DataTransferBuffer,
|
||||
-DataTransferLength)) {
|
||||
@ -6979,8 +7006,7 @@ static int DAC960_gam_ioctl(struct inode *inode, struct file *file,
|
||||
if (RequestSenseBuffer != NULL)
|
||||
pci_free_consistent(Controller->PCIDevice, RequestSenseLength,
|
||||
RequestSenseBuffer, RequestSenseBufferDMA);
|
||||
Failure2a:
|
||||
return ErrorCode;
|
||||
break;
|
||||
}
|
||||
case DAC960_IOCTL_V2_GET_HEALTH_STATUS:
|
||||
{
|
||||
@ -6990,21 +7016,33 @@ static int DAC960_gam_ioctl(struct inode *inode, struct file *file,
|
||||
DAC960_V2_HealthStatusBuffer_T HealthStatusBuffer;
|
||||
DAC960_Controller_T *Controller;
|
||||
int ControllerNumber;
|
||||
if (UserSpaceGetHealthStatus == NULL) return -EINVAL;
|
||||
if (UserSpaceGetHealthStatus == NULL) {
|
||||
ErrorCode = -EINVAL;
|
||||
break;
|
||||
}
|
||||
if (copy_from_user(&GetHealthStatus, UserSpaceGetHealthStatus,
|
||||
sizeof(DAC960_V2_GetHealthStatus_T)))
|
||||
return -EFAULT;
|
||||
sizeof(DAC960_V2_GetHealthStatus_T))) {
|
||||
ErrorCode = -EFAULT;
|
||||
break;
|
||||
}
|
||||
ErrorCode = -ENXIO;
|
||||
ControllerNumber = GetHealthStatus.ControllerNumber;
|
||||
if (ControllerNumber < 0 ||
|
||||
ControllerNumber > DAC960_ControllerCount - 1)
|
||||
return -ENXIO;
|
||||
break;
|
||||
Controller = DAC960_Controllers[ControllerNumber];
|
||||
if (Controller == NULL) return -ENXIO;
|
||||
if (Controller->FirmwareType != DAC960_V2_Controller) return -EINVAL;
|
||||
if (Controller == NULL)
|
||||
break;
|
||||
if (Controller->FirmwareType != DAC960_V2_Controller) {
|
||||
ErrorCode = -EINVAL;
|
||||
break;
|
||||
}
|
||||
if (copy_from_user(&HealthStatusBuffer,
|
||||
GetHealthStatus.HealthStatusBuffer,
|
||||
sizeof(DAC960_V2_HealthStatusBuffer_T)))
|
||||
return -EFAULT;
|
||||
sizeof(DAC960_V2_HealthStatusBuffer_T))) {
|
||||
ErrorCode = -EFAULT;
|
||||
break;
|
||||
}
|
||||
while (Controller->V2.HealthStatusBuffer->StatusChangeCounter
|
||||
== HealthStatusBuffer.StatusChangeCounter &&
|
||||
Controller->V2.HealthStatusBuffer->NextEventSequenceNumber
|
||||
@ -7012,21 +7050,28 @@ static int DAC960_gam_ioctl(struct inode *inode, struct file *file,
|
||||
{
|
||||
interruptible_sleep_on_timeout(&Controller->HealthStatusWaitQueue,
|
||||
DAC960_MonitoringTimerInterval);
|
||||
if (signal_pending(current)) return -EINTR;
|
||||
if (signal_pending(current)) {
|
||||
ErrorCode = -EINTR;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (copy_to_user(GetHealthStatus.HealthStatusBuffer,
|
||||
Controller->V2.HealthStatusBuffer,
|
||||
sizeof(DAC960_V2_HealthStatusBuffer_T)))
|
||||
return -EFAULT;
|
||||
return 0;
|
||||
ErrorCode = -EFAULT;
|
||||
else
|
||||
ErrorCode = 0;
|
||||
}
|
||||
default:
|
||||
ErrorCode = -ENOTTY;
|
||||
}
|
||||
return -EINVAL;
|
||||
unlock_kernel();
|
||||
return ErrorCode;
|
||||
}
|
||||
|
||||
static const struct file_operations DAC960_gam_fops = {
|
||||
.owner = THIS_MODULE,
|
||||
.ioctl = DAC960_gam_ioctl
|
||||
.unlocked_ioctl = DAC960_gam_ioctl
|
||||
};
|
||||
|
||||
static struct miscdevice DAC960_gam_dev = {
|
||||
|
||||
Loading…
Reference in New Issue
Block a user