* Fix noticed typos.
* Use C99 initializers.
* Remove unneeded prorotypes.
* Remove useless comments.
* Shrink vertical whitespace a bit.
/************************************************************************
* Remove banners.
************************************************************************/
Signed-off-by: Alexey Dobriyan <[email protected]>
---
drivers/scsi/iteraid.c | 497 +++++++++++++++----------------------------------
drivers/scsi/iteraid.h | 273 ++++++++------------------
2 files changed, 240 insertions(+), 530 deletions(-)
Index: linux-iteraid/drivers/scsi/iteraid.c
===================================================================
--- linux-iteraid.orig/drivers/scsi/iteraid.c 2005-06-18 00:53:07.000000000 +0400
+++ linux-iteraid/drivers/scsi/iteraid.c 2005-06-18 02:00:27.000000000 +0400
@@ -70,7 +70,7 @@
* ATAPI support ---> schedule is three weeks. (2003/02/28)
*
* Revision 1.3 2003/02/27
- * First relase ATAPI version. But there will be an error if no disc in the
+ * First release ATAPI version. But there will be an error if no disc in the
* CD-ROM. Because the commands like TEST_UNIT_READY and READ_CAPACITY will
* get the error response. This situration in WINDOWS will be then send the
* REQUEST SENSE command to the device but in Linux, it will never get
@@ -274,39 +274,24 @@ static Scsi_Cmnd *it8212_req_last = NULL
static unsigned int NumAdapters = 0; /* Adapters number */
static PITE_ADAPTER ite_adapters[2]; /* How many adapters support */
-/************************************************************************
- * Notifier blockto get a notify on system shutdown/halt/reboot.
- ************************************************************************/
+/*
+ * Notifier block to get a notify on system shutdown/halt/reboot.
+ */
static int ite_halt(struct notifier_block *nb, ulong event, void *buf);
-static struct notifier_block ite_notifier = { ite_halt, NULL, 0
+static struct notifier_block ite_notifier = {
+ .notifier_call = ite_halt,
+ .next = NULL,
+ .priority = 0
};
static struct semaphore mimd_entry_mtx;
static spinlock_t queue_request_lock = SPIN_LOCK_UNLOCKED;
static spinlock_t io_request_lock = SPIN_LOCK_UNLOCKED;
-static int iteraid_detect(Scsi_Host_Template *);
-static int iteraid_release(struct Scsi_Host *);
-#if 0
-static int iteraid_command(Scsi_Cmnd *);
-#endif
-static int iteraid_queuecommand(Scsi_Cmnd *, void (*done) (Scsi_Cmnd *));
-static int iteraid_biosparam(struct scsi_device *, struct block_device *,
- sector_t, int *);
-static int iteraid_proc_info(struct Scsi_Host *, char *buffer, char **start,
- off_t offset, int length, int inout);
-
-static void TaskStart(PChannel, Scsi_Cmnd *);
static void TaskQueue(void);
static void TaskDone(PChannel, PSCSI_REQUEST_BLOCK);
-static u32 IdeSendCommand(PChannel, PSCSI_REQUEST_BLOCK);
-//static void IdeMediaStatus(u8, PChannel, u8);
-static void IdeSetupDma(PChannel, unsigned long, unsigned short);
-static void MapRequest(Scsi_Cmnd *, PSCSI_REQUEST_BLOCK);
static u8 IssueIdentify(PChannel, u8, u8);
static u8 IT8212ResetAdapter(PITE_ADAPTER);
-static void AtapiStartIo(PChannel, PSCSI_REQUEST_BLOCK);
static u8 AtapiInterrupt(PChannel);
-static void AtapiResetController(PITE_ADAPTER pAdap, PChannel pChan);
static int itedev_open(struct inode *, struct file *);
static int itedev_ioctl_entry(struct inode *, struct file *, unsigned int,
@@ -315,23 +300,21 @@ static int itedev_ioctl(struct inode *,
unsigned long);
static int itedev_close(struct inode *, struct file *);
-
#define DRV_VER_8212 "1.45"
-static int driver_ver = 145; /* Current driver version */
-static int ite_major = 0; /* itedev chardev major number */
+static int driver_ver = 145;
+static int ite_major = 0;
-/************************************************************************
- * The File Operations structure for the ioctl interface of the driver.
- ************************************************************************/
-static struct file_operations itedev_fops =
- {.owner = THIS_MODULE,.ioctl = itedev_ioctl_entry,.open =
-itedev_open,.release = itedev_close
+static struct file_operations itedev_fops = {
+ .owner = THIS_MODULE,
+ .ioctl = itedev_ioctl_entry,
+ .open = itedev_open,
+ .release = itedev_close
};
#if (MARK_DEBUG_DUMP_MEM)
-/************************************************************************
+/*
* Dump buffer.
- ************************************************************************/
+ */
static void HexDump(unsigned char *buf, int length)
{
unsigned int i = 0;
@@ -351,9 +334,9 @@ static void HexDump(unsigned char *buf,
} /* end HexDump */
#endif
-/************************************************************************
+/*
* This routine maps ATAPI and IDE errors to specific SRB statuses.
- ************************************************************************/
+ */
static u8 MapError(PChannel pChan, PSCSI_REQUEST_BLOCK Srb)
{
u8 errorByte;
@@ -569,25 +552,9 @@ static u8 MapError(PChannel pChan, PSCSI
return srbStatus;
} /* end MapError */
-#if 0
-/************************************************************************
- * Just get the higest bit value.
- ************************************************************************/
-static u8 RaidGetHighestBit(u8 Number)
-{
- char bit;
-
- for (bit = 7; bit >= 0; bit--) {
- if (Number & (1 << bit))
- return bit;
- }
- return 0xFF;
-} /* end RaidGetHighestBit */
-#endif
-
-/************************************************************************
+/*
* Reset IDE controller or ATAPI device.
- ************************************************************************/
+ */
static void AtapiResetController(PITE_ADAPTER pAdap, PChannel pChan)
{
u8 resetResult;
@@ -681,9 +648,9 @@ static void AtapiResetController(PITE_AD
printk("AtapiResetController exit\n");
} /* end AtapiResetController */
-/************************************************************************
+/*
* IDE start read/write transfer.
- ************************************************************************/
+ */
static void IdeStartTransfer(PChannel pChan, PSCSI_REQUEST_BLOCK Srb,
u32 startingSector, u32 SectorNumber)
{
@@ -815,9 +782,9 @@ static void IdeStartTransfer(PChannel pC
dprintk("IdeStartTransfer exit\n");
} /* end IdeStartTransfer */
-/************************************************************************
+/*
* Setup the PRD table.
- ************************************************************************/
+ */
static int IdeBuildSglist(PChannel pChan, PSCSI_REQUEST_BLOCK Srb)
{
int nents = 0;
@@ -840,9 +807,9 @@ static int IdeBuildSglist(PChannel pChan
return pci_map_sg(pChan->pPciDev, sg, nents, pChan->sg_dma_direction);
} /* end IdeBuildSglist */
-/************************************************************************
+/*
* Prepares a dma request.
- ************************************************************************/
+ */
static int IdeBuildDmaTable(PChannel pChan, PSCSI_REQUEST_BLOCK Srb)
{
unsigned long *table = pChan->dmatable_cpu;
@@ -905,9 +872,9 @@ static int IdeBuildDmaTable(PChannel pCh
return count;
} /* end IdeBuildDmaTable */
-/************************************************************************
+/*
* Prepares a dma scatter/gather request.
- ************************************************************************/
+ */
static void IdeBuildDmaSgTable(PChannel pChan, PSCSI_REQUEST_BLOCK Srb)
{
int use_sg = 0;
@@ -929,9 +896,9 @@ static void IdeBuildDmaSgTable(PChannel
}
} /* end IdeBuildDmaSgTable */
-/************************************************************************
+/*
* Setup DMA table for channel.
- ************************************************************************/
+ */
static void
IdeSetupDma(PChannel pChan, unsigned long dma_base, unsigned short num_ports)
{
@@ -950,9 +917,6 @@ IdeSetupDma(PChannel pChan, unsigned lon
}
memset(pChan->dmatable_cpu, 0, PRD_ENTRIES * PRD_BYTES);
- /*
- * Allocate SCATTER/GATHER table buffer.
- */
pChan->sg_table =
kmalloc(sizeof(struct scatterlist) * PRD_ENTRIES, GFP_KERNEL);
if (pChan->sg_table == NULL) {
@@ -964,9 +928,9 @@ IdeSetupDma(PChannel pChan, unsigned lon
return;
} /* end IdeSetupDma */
-/************************************************************************
+/*
* This will be only used in RAID mode.
- ************************************************************************/
+ */
static void IT8212ReconfigChannel(PChannel pChan, u8 ArrayId, u8 Operation)
{
u8 enableVirtualChannel;
@@ -989,16 +953,15 @@ static void IT8212ReconfigChannel(PChann
pci_write_config_byte(pPciDev, 0x43, enableVirtualChannel);
} /* end IT8212ReconfigChannel */
-/************************************************************************
- * Get the chip status. This is a vendor specific command. According to
- * all of the device configurations, the BIOS then can consider the
- * existing RAID configuration reasonable. If the existing RAID configur-
- * ation is not reasonable, or if there is NO existing RAID configuration
- * , the BIOS can ask the user to setup the RAID configuration. Finally,
- * the BIOS or AP should send the SET CHIP STATUS to every virtual device.
- * Only after receiving SET CHIP STATUS command, the corresponding virtual
- * device will be active.
- ************************************************************************/
+/*
+ * This is a vendor specific command. According to all of the device
+ * configurations, the BIOS then can consider the existing RAID configuration
+ * reasonable. If the existing RAID configuration is not reasonable, or if
+ * there is NO existing RAID configuration, the BIOS can ask the user to setup
+ * the RAID configuration. Finally, the BIOS or AP should send the SET CHIP
+ * STATUS to every virtual device. Only after receiving SET CHIP STATUS
+ * command, the corresponding virtual device will be active.
+ */
static u8 IT8212GetChipStatus(uioctl_t * ioc)
{
u8 PriMasterIsNull = FALSE;
@@ -1018,9 +981,6 @@ static u8 IT8212GetChipStatus(uioctl_t *
pAdap = ite_adapters[0];
pChan = &pAdap->IDEChannel[0];
- /*
- * Allocate space for PHYSICAL_DISK_STATUS.
- */
pPhyDiskInfo = kmalloc(sizeof(PHYSICAL_DISK_STATUS) * 4, GFP_KERNEL);
if (pPhyDiskInfo == NULL) {
printk("IT8212GetChipStatus: error kmalloc for "
@@ -1083,12 +1043,8 @@ static u8 IT8212GetChipStatus(uioctl_t *
#if (0)
HexDump((unsigned char *)pPhyDiskInfo, 512);
-
#endif
- /*
- * Copy physical disk info to user area.
- */
copy_to_user((unsigned short *)ioc->data,
(unsigned char *)pPhyDiskInfo, 512);
@@ -1125,9 +1081,9 @@ exit:
return srbStatus;
} /* end IT8212GetChipStatus */
-/************************************************************************
+/*
* Erase the partition table.
- ************************************************************************/
+ */
static unsigned char IT8212ErasePartition(uioctl_t * pioc)
{
unsigned char drvSelect;
@@ -1149,9 +1105,6 @@ static unsigned char IT8212ErasePartitio
else
pChan = &pAdap->IDEChannel[1];
- /*
- * Allocate 512 bytes for buffer.
- */
if ((buffer = kmalloc(512, GFP_KERNEL)) == NULL) {
printk("IT8212ErasePartition: error kmalloc.\n");
return -ENOMEM;
@@ -1232,9 +1185,6 @@ exit:
return srbStatus;
} /* end IT8212ErasePartition */
-/************************************************************************
- *
- ************************************************************************/
static u32 IT8212TruncateReduentSectors(u32 OriginalSectorCount,
u16 StripeSizeInKBytes)
{
@@ -1251,9 +1201,9 @@ static u32 IT8212TruncateReduentSectors(
stripeSizeInSector);
} /* end IT8212TruncateReduentSectors */
-/************************************************************************
+/*
* Calculate the addressable sector for this RAID.
- ************************************************************************/
+ */
static u32 IT8212DiskArrayAddressableSector(unsigned char *DiskArrayCreateInfo)
{
u8 DiskNo;
@@ -1272,7 +1222,6 @@ static u32 IT8212DiskArrayAddressableSec
printk("createInfo->AddressableSectors[3] = 0x%X\n",
createInfo->AddressableSectors[3]);
for (DiskNo = 0; DiskNo < 4; DiskNo++) {
-
/*
* If disk exist.
*/
@@ -1287,7 +1236,6 @@ static u32 IT8212DiskArrayAddressableSec
}
}
switch (createInfo->RaidType) {
-
/*
* Containing 2 or 3 or 4 disks.
*/
@@ -1339,9 +1287,9 @@ static u32 IT8212DiskArrayAddressableSec
return ArrayCapacity;
} /* end IT8212DiskArrayAddressableSector */
-/************************************************************************
+/*
* Create a new array.
- ************************************************************************/
+ */
static u8 IT8212CreateDiskArray(uioctl_t * pioc)
{
u8 i;
@@ -1358,21 +1306,23 @@ static u8 IT8212CreateDiskArray(uioctl_t
PRAID_CREATE_INFO createInfo = (PRAID_CREATE_INFO) pioc->data;
PIDENTIFY_DATA2 identifyData;
PIT8212_SET_CHIP_STATUS_INFO setChipStatus;
- static const u16 IT8212TimingTable[7] = { 0x3133, /* UDMA timimg register 01 */
- 0x2121, /* UDMA timimg register 23 */
- 0x9111, /* UDMA timimg register 45 */
- 0x0091, /* UDMA timimg register 6 */
- 0x3266, /* DMA timimg register 01 */
- 0x0021, /* DMA timimg register 2 */
- 0x0021 /* PIO timimg register */
+ static const u16 IT8212TimingTable[7] = {
+ 0x3133, /* UDMA timimg register 01 */
+ 0x2121, /* UDMA timimg register 23 */
+ 0x9111, /* UDMA timimg register 45 */
+ 0x0091, /* UDMA timimg register 6 */
+ 0x3266, /* DMA timimg register 01 */
+ 0x0021, /* DMA timimg register 2 */
+ 0x0021 /* PIO timimg register */
};
- static const u16 IT8212ClockTable[7] = { 0x0505, /* UDMA clock register 01 */
- 0x0005, /* UDMA clock register 23 */
- 0x0500, /* UDMA clock register 45 */
- 0x0000, /* UDMA clock register 6 */
- 0x0005, /* DMA clock register 01 */
- 0x0005, /* DMA clock register 2 */
- 0x0005 /* PIO clock register */
+ static const u16 IT8212ClockTable[7] = {
+ 0x0505, /* UDMA clock register 01 */
+ 0x0005, /* UDMA clock register 23 */
+ 0x0500, /* UDMA clock register 45 */
+ 0x0000, /* UDMA clock register 6 */
+ 0x0005, /* DMA clock register 01 */
+ 0x0005, /* DMA clock register 2 */
+ 0x0005 /* PIO clock register */
};
printk("IT8212CreateDiskArray enter\n");
@@ -1421,7 +1371,7 @@ static u8 IT8212CreateDiskArray(uioctl_t
printk("createInfo->AddressableSectors[3] = 0x%lX\n",
createInfo->AddressableSectors[3]);
-#endif /* */
+#endif
switch (createInfo->RaidType) {
case RAID_LEVEL_0:
case RAID_LEVEL_1:
@@ -1441,9 +1391,6 @@ static u8 IT8212CreateDiskArray(uioctl_t
pAdap = ite_adapters[0];
pChan = &pAdap->IDEChannel[0];
- /*
- * Allocate 512-bytes buffer.
- */
if ((buffer = kmalloc(512, GFP_KERNEL)) == NULL) {
printk("IT8212CreateDiskArray: error kmalloc.\n");
return -ENOMEM;
@@ -1451,7 +1398,6 @@ static u8 IT8212CreateDiskArray(uioctl_t
identifyData = (PIDENTIFY_DATA2) buffer;
/*
- * 2003/05/08
* Remember the vendor specific parameters starts from word 129 not 128.
*/
setChipStatus = (PIT8212_SET_CHIP_STATUS_INFO) (buffer + 258);
@@ -1460,10 +1406,6 @@ static u8 IT8212CreateDiskArray(uioctl_t
* Configure to RAID or NORMAL.
*/
if (subCommand == 0x50) {
-
- /*
- * Zero identify data structure.
- */
memset((unsigned char *)identifyData, 0, sizeof(IDENTIFY_DATA));
/*
@@ -1536,7 +1478,6 @@ static u8 IT8212CreateDiskArray(uioctl_t
}
#if (MARK_DEBUG_DUMP_MEM)
HexDump(buffer, 512);
-
#endif
/*
@@ -1647,9 +1588,9 @@ exit:
} /* end IT8212CreateDiskArray */
#if 0
-/************************************************************************
+/*
* Return "virtual" drive 512 bytes identification data.
- ************************************************************************/
+ */
static u8 IT8212IssueIdentify(uioctl_t *pioc)
{
u8 channum;
@@ -1738,9 +1679,6 @@ static u8 IT8212IssueIdentify(uioctl_t *
(unsigned short *)&pChan->
FullIdentifyData, 256);
- /*
- * Then copy to user area.
- */
copy_to_user((unsigned short *)(pioc->data +
((devnum +
channum * 2) *
@@ -1782,9 +1720,9 @@ exit:
} /* end IT8212IssueIdentify */
#endif
-/************************************************************************
+/*
* Reset the controller.
- ************************************************************************/
+ */
static u8 IT8212ResetAdapter(PITE_ADAPTER pAdap)
{
u8 resetChannel[2];
@@ -1877,9 +1815,9 @@ static u8 IT8212ResetAdapter(PITE_ADAPTE
}
} /* end IT8212ResetAdapter */
-/************************************************************************
+/*
* Rebuild disk array.
- ************************************************************************/
+ */
static u8 IT8212Rebuild(uioctl_t * pioc)
{
u8 rebuildDirection;
@@ -1902,7 +1840,7 @@ static u8 IT8212Rebuild(uioctl_t * pioc)
pChan = &pAdap->IDEChannel[1];
/*
- * Selcet device.
+ * Select device.
*/
outb((u8) ((apRebuildInfo->DiskArrayId & 0x1) << 4 | 0xA0),
pChan->io_ports[IDE_SELECT_OFFSET]);
@@ -1956,7 +1894,7 @@ static u8 IT8212Rebuild(uioctl_t * pioc)
return SRB_STATUS_PENDING;
} /* end IT8212Rebuild */
-/************************************************************************
+/*
* Switch to DMA mode if necessary.
*
* offset 0x50 = PCI Mode Control Register
@@ -1969,7 +1907,7 @@ static u8 IT8212Rebuild(uioctl_t * pioc)
* Bit 5 = Secondary Channel Dev 0 Transfer Mode (1=MultiWord DMA, 0=Ultra DMA)
* Bit 6 = Secondary Channel Dev 1 Transfer Mode (1=MultiWord DMA, 0=Ultra DMA)
* Bit 7 = PCI Mode Reset
- ************************************************************************/
+ */
static void IT8212SwitchDmaMode(PChannel pChan, u8 DeviceId)
{
u8 pciControl;
@@ -2066,9 +2004,6 @@ static void IT8212SwitchDmaMode(PChannel
pChan->ActiveDevice = device;
} /* end IT8212SwitchDmaMode */
-/************************************************************************
- * IT8212 read/write routine.
- ************************************************************************/
static u32 IT8212ReadWrite(PChannel pChan, PSCSI_REQUEST_BLOCK Srb)
{
u8 statusByte = 0;
@@ -2149,9 +2084,6 @@ static u32 IT8212ReadWrite(PChannel pCha
else
IdeBuildDmaSgTable(pChan, Srb);
- /*
- * Start transfer the data.
- */
IdeStartTransfer(pChan, Srb, startingSector, sectorNumber);
/*
@@ -2161,9 +2093,9 @@ static u32 IT8212ReadWrite(PChannel pCha
} /* end IT8212ReadWrite */
#if 0
-/************************************************************************
+/*
* Setup the transfer mode.
- ************************************************************************/
+ */
static void IT8212SetTransferMode(PChannel pChan, u32 DiskId, u8 TransferMode,
u8 ModeNumber)
{
@@ -2219,9 +2151,6 @@ static void IT8212SetTransferMode(PChann
#endif
#if 0
-/************************************************************************
- * Set the best transfer mode for device.
- ************************************************************************/
static void IT8212SetBestTransferMode(PITE_ADAPTER pAdap, PChannel pChan,
u8 channel)
{
@@ -2285,13 +2214,11 @@ static void IT8212SetBestTransferMode(PI
static const u8 ideClock[4] = { 0xFD, 0xFD, 0xFB, 0xFB };
/*
- * 2003/07/24
* If running on Firmware mode, get cable status from it.
*/
for (i = 0; i < 2; i++) {
-
/*
- * The dafault of cable status is in PCI configuration 0x40.
+ * The default of cable status is in PCI configuration 0x40.
*/
cableStatus[i] = pChan->Cable80[i];
@@ -2597,12 +2524,11 @@ static void IT8212SetBestTransferMode(PI
#endif
#if 0
-/************************************************************************
+/*
* Initialize bypass(transparent) mode if BIOS is not ready.
- ************************************************************************/
+ */
static u8 IT8212InitBypassMode(struct pci_dev *pPciDev)
{
-
/*
* Reset local CPU, and set BIOS not ready.
*/
@@ -2621,10 +2547,10 @@ static u8 IT8212InitBypassMode(struct pc
} /* end IT8212InitBypassMode */
#endif
-/************************************************************************
+/*
* This is the interrupt service routine for ATAPI IDE miniport driver.
- * TURE if expecting an interrupt.
- ************************************************************************/
+ * TRUE if expecting an interrupt.
+ */
static u8 IT8212Interrupt(PChannel pChan, u8 bypass_mode)
{
u8 statusByte;
@@ -2681,7 +2607,6 @@ static u8 IT8212Interrupt(PChannel pChan
return AtapiInterrupt(pChan);
pChan->ExpectingInterrupt = FALSE;
if ((statusByte & IDE_STATUS_BUSY) || (statusByte & IDE_STATUS_DRQ)) {
-
/*
* Ensure BUSY and DRQ is non-asserted.
*/
@@ -2701,7 +2626,6 @@ static u8 IT8212Interrupt(PChannel pChan
}
}
if (statusByte & IDE_STATUS_ERROR) {
-
/*
* Stop bus master operation.
*/
@@ -2720,12 +2644,12 @@ static u8 IT8212Interrupt(PChannel pChan
return TRUE;
} /* end IT8212Interrupt */
-/************************************************************************
+/*
* This is the interrupt service routine for ATAPI IDE miniport driver.
* TRUE if expecting an interrupt. Remember the ATAPI io registers are
* different from IDE io registers and this is for each channel not for
* entire controller.
- ************************************************************************/
+ */
static u8 AtapiInterrupt(PChannel pChan)
{
u32 wordCount;
@@ -2787,7 +2711,6 @@ static u8 AtapiInterrupt(PChannel pChan)
*/
if (statusByte & IDE_STATUS_ERROR) {
if (srb->Cdb[0] != SCSIOP_REQUEST_SENSE) {
-
/*
* Fail this request.
*/
@@ -2802,7 +2725,6 @@ static u8 AtapiInterrupt(PChannel pChan)
interruptReason = (inb(pChan->io_ports[ATAPI_INTREASON_OFFSET]) & 0x3);
wordsThisInterrupt = 256;
if (interruptReason == 0x1 && (statusByte & IDE_STATUS_DRQ)) {
-
/*
* Write the packet.
*/
@@ -2814,7 +2736,6 @@ static u8 AtapiInterrupt(PChannel pChan)
WriteBuffer(pChan, (unsigned short *)srb->Cdb, 6);
return TRUE;
} else if (interruptReason == 0x0 && (statusByte & IDE_STATUS_DRQ)) {
-
/*
* Write the data.
*/
@@ -2826,7 +2747,7 @@ static u8 AtapiInterrupt(PChannel pChan)
wordCount |= inb(pChan->io_ports[ATAPI_HCYL_OFFSET]) << 8;
/*
- * Covert bytes to words.
+ * Convert bytes to words.
*/
wordCount >>= 1;
if (wordCount != pChan->WordsLeft) {
@@ -2872,14 +2793,10 @@ static u8 AtapiInterrupt(PChannel pChan)
goto CompleteRequest;
}
- /*
- * Advance data buffer pointer and bytes left.
- */
pChan->DataBuffer += wordCount;
pChan->WordsLeft -= wordCount;
return TRUE;
} else if (interruptReason == 0x2 && (statusByte & IDE_STATUS_DRQ)) {
-
/*
* Pick up bytes to transfer and convert to words.
*/
@@ -2887,7 +2804,7 @@ static u8 AtapiInterrupt(PChannel pChan)
wordCount |= inb(pChan->io_ports[ATAPI_HCYL_OFFSET]) << 8;
/*
- * Covert bytes to words.
+ * Convert bytes to words.
*/
wordCount >>= 1;
if (wordCount != pChan->WordsLeft) {
@@ -2914,7 +2831,6 @@ static u8 AtapiInterrupt(PChannel pChan)
* field, in the INQUIRY response, to at least 2.
*/
if (srb->Cdb[0] == SCSIOP_INQUIRY) {
-
/*
* Maybe it's not necessary in Linux driver.
*/
@@ -2931,9 +2847,6 @@ static u8 AtapiInterrupt(PChannel pChan)
goto CompleteRequest;
}
- /*
- * Advance data buffer pointer and bytes left.
- */
pChan->DataBuffer += wordCount;
pChan->WordsLeft -= wordCount;
@@ -2941,7 +2854,6 @@ static u8 AtapiInterrupt(PChannel pChan)
* Check for read command complete.
*/
if (pChan->WordsLeft == 0) {
-
/*
* Work around to make many atapi devices return
* correct sector size of 2048. Also certain devices
@@ -2973,7 +2885,6 @@ static u8 AtapiInterrupt(PChannel pChan)
status = SRB_STATUS_SUCCESS;
CompleteRequest:
if (status == SRB_STATUS_ERROR) {
-
/*
* Map error to specific SRB status and handle request
* sense.
@@ -2986,7 +2897,6 @@ CompleteRequest:
*/
pChan->RDP = FALSE;
} else {
-
/*
* Wait for busy to drop.
*/
@@ -2998,10 +2908,6 @@ CompleteRequest:
udelay(500);
}
if (i == 30) {
-
- /*
- * Reset the controller.
- */
printk("AtapiInterrupt: resetting due to BSY "
"still up - %x.\n", statusByte);
AtapiResetController(pAdap, pChan);
@@ -3088,10 +2994,6 @@ CompleteRequest:
}
return TRUE;
} else {
-
- /*
- * Unexpected int.
- */
printk("AtapiInterrupt: unexpected interrupt. intReason %x. "
"status %x.\n", interruptReason, statusByte);
return FALSE;
@@ -3099,9 +3001,6 @@ CompleteRequest:
return TRUE;
} /* end AtapiInterrupt */
-/************************************************************************
- * IRQ handler.
- ************************************************************************/
static irqreturn_t Irq_Handler(int irq, void *dev_id, struct pt_regs *regs)
{
int handled = 0;
@@ -3129,9 +3028,9 @@ static irqreturn_t Irq_Handler(int irq,
return IRQ_RETVAL(handled);
} /* end Irq_Handler */
-/************************************************************************
+/*
* This routine handles IDE Verify.
- ************************************************************************/
+ */
static u8 IdeVerify(PChannel pChan, PSCSI_REQUEST_BLOCK Srb)
{
u8 drvSelect;
@@ -3325,9 +3224,9 @@ IT8212MoveMemory(unsigned char *DestAddr
}
} /* end IT8212MoveMemory */
-/************************************************************************
+/*
* Convert SCSI packet command to Atapi packet command.
- ************************************************************************/
+ */
static void Scsi2Atapi(PChannel pChan, PSCSI_REQUEST_BLOCK Srb)
{
@@ -3384,7 +3283,7 @@ static void Scsi2Atapi(PChannel pChan, P
modeSense10->Control = modeSense6->Control;
/*
- * 3. Becasuse we will fake a block descripter (-8), and
+ * 3. Because we will fake a block descripter (-8), and
* translate the header (+4), so the requested length
* should be modified. That is, -8+4=-4 bytes.
*/
@@ -3430,7 +3329,7 @@ static void Scsi2Atapi(PChannel pChan, P
modeSelect10->Control = modeSelect6->Control;
/*
- * 3. Becasuse we will remove the block descripter (-8),
+ * 3. Because we will remove the block descripter (-8),
* and translate the header (+4), so the requested
* length should be modified. That is, -8+4=-4 bytes.
*/
@@ -3494,9 +3393,9 @@ static void Scsi2Atapi(PChannel pChan, P
}
} /* end Scsi2Atapi */
-/************************************************************************
+/*
* Send ATAPI packet command to device.
- ************************************************************************/
+ */
static u32 AtapiSendCommand(PChannel pChan, PSCSI_REQUEST_BLOCK Srb)
{
u8 statusByte;
@@ -3545,11 +3444,10 @@ static u32 AtapiSendCommand(PChannel pCh
pChan->io_ports[ATAPI_SELECT_OFFSET]);
/*
- * Try to enable interrupt again. (2003/02/25)
+ * Try to enable interrupt again.
*/
#if (0)
outb(0x00, pChan->io_ports[ATAPI_CONTROL_OFFSET]);
-
#endif
/*
@@ -3828,9 +3726,9 @@ static u32 AtapiSendCommand(PChannel pCh
return SRB_STATUS_PENDING;
} /* end AtapiSendCommand */
-/************************************************************************
+/*
* Program ATA registers for IDE disk transfer.
- ************************************************************************/
+ */
static u32 IdeSendCommand(PChannel pChan, PSCSI_REQUEST_BLOCK Srb)
{
u8 statusByte;
@@ -3964,11 +3862,11 @@ static u32 IdeSendCommand(PChannel pChan
return status;
} /* end IdeSendCommand */
-/************************************************************************
+/*
* This routine is called from the SCSI port driver synchronized with
* the kernel to start an IO request. If the current SRB is busy, return
- * FALSE, else return TURE.
- ************************************************************************/
+ * FALSE, else return TRUE.
+ */
static void AtapiStartIo(PChannel pChan, PSCSI_REQUEST_BLOCK Srb)
{
u32 status = 0;
@@ -4048,9 +3946,9 @@ busy:
}
} /* end AtapiStartIo */
-/************************************************************************
+/*
* Convert Scsi_Cmnd structure to SCSI_REQUEST_BLOCK.
- ************************************************************************/
+ */
static void MapRequest(Scsi_Cmnd * pREQ, PSCSI_REQUEST_BLOCK Srb)
{
Srb->Length = sizeof(SCSI_REQUEST_BLOCK);
@@ -4097,10 +3995,10 @@ static void MapRequest(Scsi_Cmnd * pREQ,
Srb->pREQ = pREQ;
} /* end MapRequest */
-/************************************************************************
- * A task execution has been done. For OS request, we need to Notify OS
+/*
+ * A task execution has been done. For OS request, we need to notify OS
* and invoke next take which wait at queue.
- ************************************************************************/
+ */
static void TaskDone(PChannel pChan, PSCSI_REQUEST_BLOCK Srb)
{
Scsi_Cmnd *pREQ = Srb->pREQ;
@@ -4147,18 +4045,15 @@ static void TaskDone(PChannel pChan, PSC
TaskQueue();
} /* end TaskDone */
-/************************************************************************
+/*
* Start a command, doing convert first.
- ************************************************************************/
+ */
static void TaskStart(PChannel pChan, Scsi_Cmnd * pREQ)
{
PSCSI_REQUEST_BLOCK Srb;
dprintk("TaskStart(pChan=%p, pREQ=%p)\n", pChan, pREQ);
Srb = &pChan->_Srb;
- /*
- * Clear the SRB structure.
- */
memset(Srb, 0, sizeof(SCSI_REQUEST_BLOCK));
/*
@@ -4172,10 +4067,10 @@ static void TaskStart(PChannel pChan, Sc
AtapiStartIo(pChan, Srb);
} /* end TaskStart */
-/************************************************************************
+/*
* Check if queue is empty. If there are request in queue, transfer the
* request to HIM's request and execute the request.
- ************************************************************************/
+ */
static void TaskQueue(void)
{
unsigned long flags;
@@ -4230,13 +4125,13 @@ check_next:
}
} /* end TaskQueue */
-/****************************************************************
+/*
* Name: iteraid_queuecommand
* Description: Process a queued command from the SCSI manager.
* Parameters: SCpnt - Pointer to SCSI command structure.
* done - Pointer to done function to call.
* Returns: Status code.
- ****************************************************************/
+ */
static int iteraid_queuecommand(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *))
{
unsigned long flags;
@@ -4261,25 +4156,19 @@ static int iteraid_queuecommand(Scsi_Cmn
} /* end iteraid_queuecommand */
#if 0
-/****************************************************************
- * Name: internal_done :LOCAL
- * Description: Done handler for non-queued commands
- * Parameters: SCpnt - Pointer to SCSI command structure.
- * Returns: Nothing.
- ****************************************************************/
+/*
+ * Done handler for non-queued commands
+ */
static void internal_done(Scsi_Cmnd * SCpnt)
{
SCpnt->SCp.Status++;
-} /* end internal_done */
+}
#endif
#if 0
-/****************************************************************
- * Name: iteraid_command
- * Description: Process a command from the SCSI manager.
- * Parameters: SCpnt - Pointer to SCSI command structure.
- * Returns: Status code.
- ****************************************************************/
+/*
+ * Process a command from the SCSI manager.
+ */
static int iteraid_command(Scsi_Cmnd * SCpnt)
{
unsigned long timeout;
@@ -4298,9 +4187,9 @@ static int iteraid_command(Scsi_Cmnd * S
} /* end iteraid_command */
#endif
-/************************************************************************
+/*
* Enables/disables media status notification.
- ************************************************************************/
+ */
#if 0
static void IdeMediaStatus(u8 EnableMSN, PChannel pChan, u8 Device)
{
@@ -4352,11 +4241,11 @@ static void IdeMediaStatus(u8 EnableMSN,
}
} /* end IdeMediaStatus */
-#endif /* */
-/************************************************************************
+#endif
+/*
* Issue IDENTIFY command to a device.
* Either the standard (EC) or the ATAPI packet (A1) IDENTIFY.
- ************************************************************************/
+ */
static u8 IssueIdentify(PChannel pChan, u8 DeviceNumber, u8 Command)
{
u8 statusByte = 0;
@@ -4494,7 +4383,6 @@ static u8 IssueIdentify(PChannel pChan,
/*
* Check out a few capabilities / limitations of the device.
- * 01/29/2003
*/
if (pChan->FullIdentifyData.SpecialFunctionsEnabled & 1) {
@@ -4555,9 +4443,9 @@ static u8 IssueIdentify(PChannel pChan,
return TRUE;
} /* end IssueIdentify() */
-/************************************************************************
+/*
* Check this is the IDE or ATAPI disk then identify it.
- ************************************************************************/
+ */
static u8 iteraid_find_device(PChannel pChan, u8 channel)
{
u8 deviceNumber;
@@ -4697,9 +4585,9 @@ static u8 iteraid_find_device(PChannel p
} /* end iteraid_find_device */
#if 0
-/************************************************************************
+/*
* IDE disk hardware initialize.
- ************************************************************************/
+ */
static u8 AtapiHwInitialize(PITE_ADAPTER pAdap, PChannel pChan, u8 channel)
{
u8 i;
@@ -4746,9 +4634,9 @@ static u8 AtapiHwInitialize(PITE_ADAPTER
} /* end AtapiHwInitialize */
#endif
-/************************************************************************
- * Initialize a adapter, return 0 means success.
- ************************************************************************/
+/*
+ * Initialize an adapter, return 0 means success.
+ */
static int iteraid_init(PITE_ADAPTER pAdap, struct pci_dev *pPciDev)
{
u8 z;
@@ -4844,7 +4732,6 @@ static int iteraid_init(PITE_ADAPTER pAd
* Change to bypass mode.
*/
IT8212InitBypassMode(pPciDev);
-
#endif
/*
@@ -4852,7 +4739,6 @@ static int iteraid_init(PITE_ADAPTER pAd
*/
#if (0)
AtapiHwInitialize(pAdap, pChan, z);
-
#endif
/*
@@ -4860,12 +4746,8 @@ static int iteraid_init(PITE_ADAPTER pAd
*/
iteraid_find_device(pChan, z);
- /*
- * Set the best transfer mode.
- */
#if (MARK_SET_BEST_TRANSFER)
IT8212SetBestTransferMode(pAdap, pChan, z);
-
#endif
/*
@@ -4877,9 +4759,9 @@ static int iteraid_init(PITE_ADAPTER pAd
return 0;
} /* end iteraid_init */
-/************************************************************************
- * This function will find and initialize any cards.
- ************************************************************************/
+/*
+ * Find and initialize any cards.
+ */
static int iteraid_detect(Scsi_Host_Template * tpnt)
{
u8 i;
@@ -4904,9 +4786,6 @@ static int iteraid_detect(Scsi_Host_Temp
if (pci_enable_device(pPciDev))
continue;
- /*
- * Allocate memory for Adapter.
- */
pAdap = (PITE_ADAPTER) kmalloc(sizeof(ITE_ADAPTER), GFP_ATOMIC);
if (pAdap == NULL) {
printk("iteraid_detect: pAdap allocate failed.\n");
@@ -4957,14 +4836,8 @@ static int iteraid_detect(Scsi_Host_Temp
ite_vhost->max_id = MAX_DEVICES;
ite_vhost->max_lun = 1;
-#if (0)
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
+#if 0
scsi_set_device(ite_vhost, &pPciDev->dev);
-
-#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,4)
- scsi_set_pci_device(ite_vhost, pPciDev);
-
-#endif
#endif
/*
@@ -4983,7 +4856,7 @@ static int iteraid_detect(Scsi_Host_Temp
register_reboot_notifier(&ite_notifier);
/*
- * Initialize ioctl semphore.
+ * Initialize ioctl semaphore.
*/
init_MUTEX(&mimd_entry_mtx);
}
@@ -4991,28 +4864,16 @@ static int iteraid_detect(Scsi_Host_Temp
return 1;
} /* end iteraid_detect() */
-/************************************************************************
- * Name: iteraid_release
- * Description: Release resources allocated for a single each adapter.
- * Parameters: pshost - Pointer to SCSI command structure.
- * Returns: zero.
- ************************************************************************/
static int iteraid_release(struct Scsi_Host *pshost)
{
u8 i;
PITE_ADAPTER pAdap;
- /*
- * Unregister the character device.
- */
if (ite_major > 0) {
unregister_chrdev(ite_major, "itedev");
ite_major = -1;
}
- /*
- * Free irq and memory.
- */
for (i = 0; i < NumAdapters; i++) {
pAdap = ite_adapters[i];
if (pAdap->irqOwned)
@@ -5026,9 +4887,6 @@ static int iteraid_release(struct Scsi_H
}
}
- /*
- * Unregister the reboot notifier.
- */
unregister_reboot_notifier(&ite_notifier);
/*
@@ -5038,9 +4896,6 @@ static int iteraid_release(struct Scsi_H
return 0;
} /* end iteraid_Release */
-/************************************************************************
- * This is the new scsi eh reset function.
- ************************************************************************/
static int iteraid_reset_eh(Scsi_Cmnd * SCpnt)
{
u8 i;
@@ -5062,9 +4917,9 @@ static int iteraid_reset_eh(Scsi_Cmnd *
return SUCCESS;
} /* end iteraid_reset_eh */
-/************************************************************************
+/*
* The new error handling code.
- ************************************************************************/
+ */
static int iteraid_abort_eh(Scsi_Cmnd * SCpnt)
{
if (SCpnt == NULL) {
@@ -5072,17 +4927,11 @@ static int iteraid_abort_eh(Scsi_Cmnd *
return FAILED;
}
return SUCCESS;
-} /* end iteraid_abort_eh */
+}
-/************************************************************************
- * Name: iteraid_biosparam
- * Description: Process the biosparam request from the SCSI manager to
- * return C/H/S data.
- * Parameters: disk - Pointer to SCSI disk structure.
- * dev - Major/minor number from kernel.
- * geom - Pointer to integer array to place geometry data.
- * Returns: zero.
- ************************************************************************/
+/*
+ * Process the biosparam request from the SCSI manager to return C/H/S data.
+ */
static int iteraid_biosparam(struct scsi_device *sdev,
struct block_device *bdev, sector_t capacity, int geom[])
{
@@ -5112,9 +4961,9 @@ static int iteraid_biosparam(struct scsi
return 0;
} /* end iteraid_biosparam */
-/************************************************************************
+/*
* Shutdown routine.
- ************************************************************************/
+ */
static int ite_halt(struct notifier_block *nb, ulong event, void *buf)
{
if (event != SYS_RESTART && event != SYS_HALT &&
@@ -5123,30 +4972,25 @@ static int ite_halt(struct notifier_bloc
}
unregister_reboot_notifier(&ite_notifier);
return NOTIFY_OK;
-} /* end ite_halt */
+}
-/************************************************************************
- * PROC information.
- ************************************************************************/
static int iteraid_proc_info(struct Scsi_Host *shost, char *buffer,
char **start, off_t offset, int length, int inout)
{
return 0;
-} /* end iteraid_proc_info */
+}
-/************************************************************************
+/*
* IOCTL open entry.
- ************************************************************************/
+ */
static int itedev_open(struct inode *inode, struct file *filep)
{
-
- //MOD_INC_USE_COUNT;
return 0;
-} /* end itedev_open */
+}
-/************************************************************************
+/*
* IOCTL code entry.
- ************************************************************************/
+ */
static int itedev_ioctl_entry(struct inode *inode, struct file *filep,
unsigned int cmd, unsigned long arg)
{
@@ -5161,9 +5005,9 @@ static int itedev_ioctl_entry(struct ino
return ret;
} /* end itedev_ioctl_entry */
-/************************************************************************
+/*
* Real IOCTL function handles ioctl for the character device.
- ************************************************************************/
+ */
static int itedev_ioctl(struct inode *inode, struct file *filep,
unsigned int cmd, unsigned long arg)
{
@@ -5184,17 +5028,11 @@ static int itedev_ioctl(struct inode *in
if (_IOC_TYPE(cmd) != ITE_IOCMAGIC)
return -EINVAL;
- /*
- * Allocate space for ioctl data structure.
- */
if ((pioc = kmalloc(sizeof(uioctl_t), GFP_KERNEL)) == NULL) {
printk("itedev_ioctl: error kmalloc on ioctl\n");
return -ENOMEM;
}
- /*
- * Get the user ioctl structure.
- */
if (copy_from_user(pioc, (uioctl_t *) arg, sizeof(uioctl_t))) {
kfree(pioc);
return -EFAULT;
@@ -5207,17 +5045,11 @@ static int itedev_ioctl(struct inode *in
case ITE_IOC_GET_PHY_DISK_STATUS:
dprintk("ITE_IOC_GET_PHY_DISK_STATUS\n");
- /*
- * Get the physical disk status.
- */
status = IT8212GetChipStatus(pioc);
return 0;
case ITE_IOC_CREATE_DISK_ARRAY:
dprintk("ITE_IOC_CREATE_DISK_ARRAY\n");
- /*
- * Create disk array.
- */
status = IT8212CreateDiskArray(pioc);
if (status != SRB_STATUS_SUCCESS)
return status;
@@ -5301,34 +5133,22 @@ static int itedev_ioctl(struct inode *in
if (progress != 0xFF)
progress = 0x64 - progress;
- /*
- * Put the rebuild status to user space.
- */
return put_user(progress, (u8 *) pioc->data);
exit:
return 0;
case ITE_IOC_RESET_ADAPTER:
dprintk("ITE_IOC_RESET_ADAPTER\n");
- /*
- * Reset the adapter.
- */
-#if (0)
+#if 0
status = IT8212ResetAdapter();
#endif
- /*
- * Return TURE or FALSE to user space.
- */
put_user(status, (u8 __user *) arg);
return 0;
case ITE_IOC_GET_DRIVER_VERSION:
dprintk("ITE_IOC_GET_DRIVER_VERSION\n");
- /*
- * Get the current driver version.
- */
put_user(driver_ver, (int __user *)arg);
return 0;
default:
@@ -5336,19 +5156,14 @@ exit:
} /* end switch */
} /* end itedev_ioctl */
-/************************************************************************
+/*
* IOCTL close routine.
- ************************************************************************/
+ */
static int itedev_close(struct inode *inode, struct file *filep)
{
-
- //MOD_DEC_USE_COUNT;
return 0;
-} /* end itedev_close */
+}
-/************************************************************************
- * Scsi_Host_Template Initializer
- ************************************************************************/
static Scsi_Host_Template driver_template = {
.proc_name = "IT8212",
.proc_info = iteraid_proc_info,
Index: linux-iteraid/drivers/scsi/iteraid.h
===================================================================
--- linux-iteraid.orig/drivers/scsi/iteraid.h 2005-06-18 00:50:48.000000000 +0400
+++ linux-iteraid/drivers/scsi/iteraid.h 2005-06-18 02:16:05.000000000 +0400
@@ -26,10 +26,10 @@
#include <linux/version.h>
#include <linux/types.h>
-#define ITE_VENDOR_ID 0x1283 /* Vendor ID (ITE) */
-#define ITE_DEVICE_ID 0x8212 /* Device IF (IT8212) */
-#define MAX_ADAPTERS 2 /* Max Board supported */
-#define MAX_DEVICES (MAX_ADAPTERS * 4) /* Max Dev supported */
+#define ITE_VENDOR_ID 0x1283
+#define ITE_DEVICE_ID 0x8212 /* IT8212 */
+#define MAX_ADAPTERS 2
+#define MAX_DEVICES (MAX_ADAPTERS * 4)
#define TRUE 1
#define FALSE 0
@@ -39,18 +39,15 @@
*/
#undef START_STOP
-/************************************************************************
- * Debugging macro
- ************************************************************************/
#ifdef ITE_DEBUG
#define dprintk(msg...) printk(msg)
#else
#define dprintk(msg...) do { } while(0)
#endif
-/************************************************************************
+/*
* Raid level definitions
- ************************************************************************/
+ */
#define RAID_LEVEL_0 0
#define RAID_LEVEL_1 1
#define RAID_LEVEL_10 2
@@ -58,9 +55,9 @@
#define RAID_LEVEL_NORMAL 4
#define RAID_LEVEL_NODISK 5
-/************************************************************************
+/*
* Physical disk status definitions
- ************************************************************************/
+ */
#define DISK_KEY_OFF 0
#define DISK_OFF_LINE 1
#define DISK_ON_LINE 2
@@ -85,9 +82,9 @@
#define USE_ULTRA_DMA 0
#define USE_MULTIWORD_DMA 1
-/************************************************************************
+/*
* Vendor specific information
- ************************************************************************/
+ */
typedef struct _PHYSICAL_DISK_STATUS {
u8 ModelNumber[40]; /* Byte 00-39 */
u32 UserAddressableSectors_LOW; /* Byte 40-43 */
@@ -114,9 +111,9 @@ typedef struct _PHYSICAL_DISK_STATUS {
u8 AutoRebuildEnable; /* Byte 127 */
} PHYSICAL_DISK_STATUS, *PPHYSICAL_DISK_STATUS;
-/************************************************************************
- * vendor specific information
- ************************************************************************/
+/*
+ * Vendor specific information
+ */
typedef struct _IT8212_SET_CHIP_STATUS_INFO {
u16 RaidType; /* Word 129 */
u16 ContainingDisks; /* Word 130 */
@@ -146,9 +143,9 @@ typedef struct _IT8212_SET_CHIP_STATUS_I
u16 NewlyCreated; /* Word 154 */
} IT8212_SET_CHIP_STATUS_INFO, *PIT8212_SET_CHIP_STATUS_INFO;
-/************************************************************************
+/*
* Serial number written to HDD (20 bytes)
- ************************************************************************/
+ */
typedef struct _RAID_SERIAL_NUMBER {
u16 Year;
u8 Month;
@@ -163,7 +160,7 @@ typedef struct _RAID_SERIAL_NUMBER {
u8 DontCare[9];
} RAID_SERIAL_NUMBER, *PRAID_SERIAL_NUMBER;
-/************************************************************************
+/*
* Disk array create information
*
* Following items index definition
@@ -171,7 +168,7 @@ typedef struct _RAID_SERIAL_NUMBER {
* 1: Secondary Master
* 2: Primary Slave
* 3: Secondary Slave
- ************************************************************************/
+ */
typedef struct _RAID_CREATE_INFO {
u8 DiskArrayId;
RAID_SERIAL_NUMBER SerialNumber;
@@ -190,9 +187,9 @@ typedef struct _RAID_CREATE_INFO {
u8 Reserved;
} RAID_CREATE_INFO, *PRAID_CREATE_INFO;
-/************************************************************************
+/*
* Rebuild data structure
- ************************************************************************/
+ */
typedef struct _RAID_REBUILD_INFO {
u8 DiskArrayId; /* Virtual device number (0-3) */
u8 SrcDisk; /* Source disk (0-3) */
@@ -204,9 +201,9 @@ typedef struct _RAID_REBUILD_INFO {
u8 Reserved[3]; /* For aligement */
} RAID_REBUILD_INFO, *PRAID_REBUILD_INFO;
-/************************************************************************
+/*
* ATA transfer modes
- ************************************************************************/
+ */
#define PIO_DEFAULT 0x00
#define PIO_DEFAULT_IORDY_DISABLE 0x01
#define PIO_FLOW_CONTROL 0x08
@@ -217,9 +214,9 @@ typedef struct _RAID_REBUILD_INFO {
#define ITE_DRV_SIGNATURE "ITE RAID CONTROLLER"
#define ITE_DRV_BYPASS "ITE BYPASS MODE"
-/************************************************************************
+/*
* Extra IDE commands supported by Accusys
- ************************************************************************/
+ */
#define IDE_COMMAND_GET_CHIP_STATUS 0xFA
#define IDE_COMMAND_SET_CHIP_STATUS 0xFB
#define IDE_COMMAND_REBUILD 0xFC
@@ -232,9 +229,9 @@ typedef struct _RAID_REBUILD_INFO {
#define REBUILD_ERR_DEST_DISK_OFFLINE 0x05
#define REBUILD_ERR_DISK_BUSY 0x10
-/************************************************************************
+/*
* ATA transfer modes
- ************************************************************************/
+ */
#define PIO_DEFAULT 0x00
#define PIO_DEFAULT_IORDY_DISABLE 0x01
#define PIO_FLOW_CONTROL 0x08
@@ -242,9 +239,9 @@ typedef struct _RAID_REBUILD_INFO {
#define MULTIWORD_DMA 0x20
#define ULTRA_DMA 0x40
-/************************************************************************
+/*
* IDE registers offset
- ************************************************************************/
+ */
#define IDE_NR_PORTS 10
#define IDE_DATA_OFFSET 0
@@ -262,9 +259,9 @@ typedef struct _RAID_REBUILD_INFO {
#define IDE_COMMAND_OFFSET IDE_STATUS_OFFSET
#define IDE_ALTERNATE_OFFSET IDE_CONTROL_OFFSET
-/************************************************************************
+/*
* ATAPI registers offset
- ************************************************************************/
+ */
#define ATAPI_DATA_OFFSET 0
#define ATAPI_ERROR_OFFSET 1
#define ATAPI_INTREASON_OFFSET 2
@@ -278,9 +275,9 @@ typedef struct _RAID_REBUILD_INFO {
#define ATAPI_COMMAND_OFFSET ATAPI_STATUS_OFFSET
#define ATAPI_FEATURE_OFFSET ATAPI_ERROR_OFFSET
-/************************************************************************
+/*
* Following structures are according to SPC-3 (by Chanel)
- ************************************************************************/
+ */
typedef struct _SCSI_MODE_SENSE6 {
u8 OperationCode;
u8 Reserved1:3;
@@ -359,9 +356,9 @@ typedef struct _SCSI_MODE_PARAMTER_BLOCK
u8 BlockLength0;
} SCSI_MODE_PARAMTER_BLOCK_DESCRIPTER, *PSCSI_MODE_PARAMTER_BLOCK_DESCRIPTER;
-/************************************************************************
+/*
* IDE command definitions
- ************************************************************************/
+ */
#define IDE_COMMAND_ATAPI_RESET 0x08
#define IDE_COMMAND_RECALIBRATE 0x10
#define IDE_COMMAND_READ_SECTOR 0x20
@@ -389,9 +386,9 @@ typedef struct _SCSI_MODE_PARAMTER_BLOCK
#define IDE_COMMAND_IDENTIFY 0xEC
#define IDE_COMMAND_MEDIA_EJECT 0xED
-/************************************************************************
+/*
* IDE status definitions
- ************************************************************************/
+ */
#define IDE_STATUS_ERROR 0x01
#define IDE_STATUS_INDEX 0x02
#define IDE_STATUS_CORRECTED_ERROR 0x04
@@ -401,16 +398,13 @@ typedef struct _SCSI_MODE_PARAMTER_BLOCK
#define IDE_STATUS_IDLE 0x50
#define IDE_STATUS_BUSY 0x80
-/************************************************************************
+/*
* IDE drive control definitions.
- ************************************************************************/
+ */
#define IDE_DC_DISABLE_INTERRUPTS 0x02
#define IDE_DC_RESET_CONTROLLER 0x04
#define IDE_DC_REENABLE_CONTROLLER 0x00
-/************************************************************************
- * IDE error definitions.
- ************************************************************************/
#define IDE_ERROR_BAD_BLOCK 0x80
#define IDE_ERROR_DATA_ERROR 0x40
#define IDE_ERROR_MEDIA_CHANGE 0x20
@@ -420,9 +414,6 @@ typedef struct _SCSI_MODE_PARAMTER_BLOCK
#define IDE_ERROR_END_OF_MEDIA 0x02
#define IDE_ERROR_ILLEGAL_LENGTH 0x01
-/************************************************************************
- * IDENTIFY data.
- ************************************************************************/
typedef struct _IDENTIFY_DATA {
u16 GeneralConfiguration; /* 00 00 */
u16 NumberOfCylinders; /* 02 1 */
@@ -475,9 +466,9 @@ typedef struct _IDENTIFY_DATA {
u16 Reserved7[128]; /* 128-255 */
} IDENTIFY_DATA, *PIDENTIFY_DATA;
-/************************************************************************
+/*
* Identify data without the Reserved4.
- ************************************************************************/
+ */
typedef struct _IDENTIFY_DATA2 {
u16 GeneralConfiguration; /* 00 */
u16 NumberOfCylinders; /* 01 */
@@ -538,15 +529,12 @@ typedef struct _IDENTIFY_DATA2 {
#define IDENTIFY_DATA_SIZE sizeof(IDENTIFY_DATA)
-/************************************************************************
- * IDENTIFY capability bit definitions.
- ************************************************************************/
#define IDENTIFY_CAPABILITIES_DMA_SUPPORTED 0x0100
#define IDENTIFY_CAPABILITIES_LBA_SUPPORTED 0x0200
-/************************************************************************
+/*
* IDENTIFY DMA timing cycle modes.
- ************************************************************************/
+ */
#define IDENTIFY_DMA_CYCLES_MODE_0 0x00
#define IDENTIFY_DMA_CYCLES_MODE_1 0x01
#define IDENTIFY_DMA_CYCLES_MODE_2 0x02
@@ -569,9 +557,9 @@ typedef struct _SENSE_DATA {
u8 SenseKeySpecific[3];
} SENSE_DATA, *PSENSE_DATA;
-/************************************************************************
+/*
* Sense codes
- ************************************************************************/
+ */
#define SCSI_SENSE_NO_SENSE 0x00
#define SCSI_SENSE_RECOVERED_ERROR 0x01
#define SCSI_SENSE_NOT_READY 0x02
@@ -589,9 +577,9 @@ typedef struct _SENSE_DATA {
#define SCSI_SENSE_MISCOMPARE 0x0E
#define SCSI_SENSE_RESERVED 0x0F
-/************************************************************************
+/*
* Additional Sense codes
- ************************************************************************/
+ */
#define SCSI_ADSENSE_NO_SENSE 0x00
#define SCSI_ADSENSE_MAN_INTERV 0x03
#define SCSI_ADSENSE_LUN_NOT_READY 0x04
@@ -618,7 +606,7 @@ typedef struct _SENSE_DATA {
#define SCSISTAT_CHECK_CONDITION 0x02
-/************************************************************************
+/*
* Inquiry buffer structure. This is the data returned from the target
* after it receives an inquiry.
*
@@ -627,7 +615,7 @@ typedef struct _SENSE_DATA {
* includes fields through ProductRevisionLevel.
*
* The NT SCSI drivers are only interested in the first 36 bytes of data.
- ************************************************************************/
+ */
#define INQUIRYDATABUFFERSIZE 36
@@ -657,9 +645,9 @@ typedef struct _INQUIRYDATA {
#define DIRECT_ACCESS_DEVICE 0x00 /* Disks */
-/************************************************************************
+/*
* Read Capacity Data - returned in Big Endian format
- ************************************************************************/
+ */
typedef struct _READ_CAPACITY_DATA {
u32 LogicalBlockAddress;
u32 BytesPerBlock;
@@ -667,9 +655,9 @@ typedef struct _READ_CAPACITY_DATA {
#define MAXIMUM_CDB_SIZE 12
-/************************************************************************
- * CDB (Command Descriptor Block)
- ************************************************************************/
+/*
+ * Command Descriptor Block
+ */
typedef union _CDB {
/*
* Standard 6-byte CDB
@@ -715,9 +703,9 @@ typedef union _CDB {
} CDB, *PCDB;
-/************************************************************************
+/*
* SCSI CDB operation codes
- ************************************************************************/
+ */
#define SCSIOP_TEST_UNIT_READY 0x00
#define SCSIOP_REZERO_UNIT 0x01
#define SCSIOP_REWIND 0x01
@@ -798,7 +786,7 @@ typedef union _CDB {
#define PCI_IOSEN 0x01 /* Enable IO space */
#define PCI_BMEN 0x04 /* Enable IDE bus master */
-/************************************************************************
+/*
* PRD (Physical Region Descriptor) = Scatter-gather table
*
* | byte3 | byte2 | byte1 | byte0 |
@@ -807,7 +795,7 @@ typedef union _CDB {
* +----+----------------+----------------------+
* |EOT | reserved | Byte count[15:1] |
* +----+----------------+----------------------+
- ************************************************************************/
+ */
typedef struct _PRD_TABLE_ENTRY {
u32 PhysicalBaseAddress; /* Byte0 - Byte3 */
u16 ByteCount; /* Byte4 - Byte5 */
@@ -819,9 +807,9 @@ typedef struct _PRD_TABLE_ENTRY {
#define NUM_OF_PRD_TABLE_ENTRY 0x10
-/************************************************************************
+/*
* Bus master register bits definition
- ************************************************************************/
+ */
#define BM_CMD_FLG_START 0x01
#define BM_CMD_FLG_WRTTOMEM 0x08
#define BM_CMD_FLG_WRTTODSK 0x00
@@ -834,17 +822,11 @@ typedef struct _PRD_TABLE_ENTRY {
#define BM_PRD_FLG_EOT 0x8000
-/************************************************************************
- * SRB Functions
- ************************************************************************/
#define SRB_FUNCTION_EXECUTE_SCSI 0x00
#define SRB_FUNCTION_IO_CONTROL 0x02
#define SRB_FUNCTION_SHUTDOWN 0x07
#define SRB_FUNCTION_FLUSH 0x08
-/************************************************************************
- * SRB Status
- ************************************************************************/
#define SRB_STATUS_PENDING 0x00
#define SRB_STATUS_SUCCESS 0x01
#define SRB_STATUS_ABORTED 0x02
@@ -872,24 +854,18 @@ typedef struct _PRD_TABLE_ENTRY {
#define SRB_STATUS_ERROR_RECOVERY 0x23
#define SRB_STATUS_NEED_REQUEUE 0x24
-/************************************************************************
- * SRB Status Masks
- ************************************************************************/
#define SRB_STATUS_QUEUE_FROZEN 0x40
#define SRB_STATUS_AUTOSENSE_VALID 0x80
#define SRB_STATUS(Status) \
(Status & ~(SRB_STATUS_AUTOSENSE_VALID | SRB_STATUS_QUEUE_FROZEN))
-/************************************************************************
- * SRB Flag Bits
- ************************************************************************/
#define SRB_FLAGS_DATA_IN 0x00000040
#define SRB_FLAGS_DATA_OUT 0x00000080
-/************************************************************************
+/*
* SRB Working flags define area
- ************************************************************************/
+ */
#define SRB_WFLAGS_USE_INTERNAL_BUFFER 0x00000001
#define SRB_WFLAGS_IGNORE_ARRAY 0x00000002
#define SRB_WFLAGS_HAS_CALL_BACK 0x00000004
@@ -900,9 +876,9 @@ typedef struct _PRD_TABLE_ENTRY {
#define SRB_WFLAGS_WATCHTIMER_CALLED 0x20000000
#define SRB_WFLAGS_USE_SG 0x40000000
-/************************************************************************
+/*
* SCSI I/O Request Block
- ************************************************************************/
+ */
typedef struct _SCSI_REQUEST_BLOCK {
u16 Length;
u8 Function;
@@ -926,9 +902,9 @@ typedef struct _SCSI_REQUEST_BLOCK {
#define SCSI_REQUEST_BLOCK_SIZE sizeof(SCSI_REQUEST_BLOCK)
-/************************************************************************
+/*
* Second device flags
- ***********************************************************************/
+ */
#define DFLAGS_REDUCE_MODE 0x00010000
#define DFLAGS_DEVICE_DISABLED 0x00020000
#define DFLAGS_BOOTABLE_DEVICE 0x00080000
@@ -936,22 +912,11 @@ typedef struct _SCSI_REQUEST_BLOCK {
#define DFLAGS_NEW_ADDED 0x40000000
#define DFLAGS_REMAINED_MEMBER 0x80000000
-/************************************************************************
- * Device Extension Device Flags
- ************************************************************************/
/*
- * Indicates that some device is present.
+ * Device Extension Device Flags
*/
#define DFLAGS_DEVICE_PRESENT 0x0001
-
-/*
- * Indicates whether ATAPI commands can be used.
- */
#define DFLAGS_ATAPI_DEVICE 0x0002
-
-/*
- * Indicates whether this is a tape device.
- */
#define DFLAGS_TAPE_DEVICE 0x0004
/*
@@ -989,34 +954,33 @@ typedef struct _SCSI_REQUEST_BLOCK {
#define UDMA_MODE_5_6 0x80
-/************************************************************************
+/*
* Used to disable 'advanced' features.
- ************************************************************************/
+ */
#define MAX_ERRORS 4
-/************************************************************************
+/*
* ATAPI command definitions
- ************************************************************************/
+ */
#define ATAPI_MODE_SENSE 0x5A
#define ATAPI_MODE_SELECT 0x55
#define ATAPI_FORMAT_UNIT 0x24
-/************************************************************************
+/*
* User IOCTL structure
- * Notes:
- * (1) Data transfers are limited to PAGE_SIZE (4k on i386, 8k for alpha)
- ************************************************************************/
+ * Data transfers are limited to PAGE_SIZE (4k on i386, 8k for alpha)
+ */
typedef struct _uioctl_t {
u16 inlen; /* Length of data written to device */
u16 outlen; /* Length of data read from device */
- void *data; /* Data read from devic starts here */
+ void *data; /* Data read from device starts here */
u8 status; /* Status return from driver */
u8 reserved[3]; /* For 4-byte alignment */
} uioctl_t;
-/************************************************************************
+/*
* IOCTL commands for RAID
- ************************************************************************/
+ */
#define ITE_IOCMAGIC 't'
#define ITE_IOC_GET_PHY_DISK_STATUS _IO(ITE_IOCMAGIC, 1)
@@ -1026,53 +990,30 @@ typedef struct _uioctl_t {
#define ITE_IOC_RESET_ADAPTER _IO(ITE_IOCMAGIC, 5)
#define ITE_IOC_GET_DRIVER_VERSION _IO(ITE_IOCMAGIC, 6)
-/************************************************************************
- * _Channel
- ************************************************************************/
typedef struct _Channel {
/*
* IDE (ATAPI) io port address.
*/
unsigned long io_ports[IDE_NR_PORTS];
-
- /*
- * DMA base address.
- */
unsigned long dma_base;
-
- /*
- * Flags word for each possible device.
- */
u16 DeviceFlags[2];
/*
* Indicates number of platters on changer-ish devices.
*/
u32 DiscsPresent[2];
-
- /*
- * Indicates expecting an interrupt.
- */
u8 ExpectingInterrupt;
/*
* Indicate last tape command was DSC Restrictive.
*/
u8 RDP;
-
- /*
- * Interrupt level.
- */
u8 InterruptLevel;
/*
* Placeholder for status register after a GET_MEDIA_STATUS command.
*/
u8 ReturningMediaStatus;
-
- /*
- * Remember the channel number (0, 1)
- */
u8 channel;
/*
@@ -1084,45 +1025,21 @@ typedef struct _Channel {
* Reserved for alignment.
*/
u8 reserved1[0];
-
- /*
- * Data buffer pointer.
- */
unsigned short *DataBuffer;
-
- /*
- * Data words left.
- */
u32 WordsLeft;
-
- /*
- * Retry count.
- */
u32 RetryCount;
/*
- * Keep DMA type (MULTIWORD_DMA or ULTRA_DMA) for each device.
+ * MULTIWORD_DMA or ULTRA_DMA
*/
u8 DmaType[2];
-
- /*
- * Keep UDMA timing for each device.
- */
u8 UdmaTiming[2];
-
- /*
- * Keep PIO/DMA timing for each channel. PioDmaTiming[clock][channel]
- */
u8 PioDmaTiming[2];
/*
* Keep IDE clock (50 MHz or 66 MHz) for each device.
*/
u8 IdeClock[2];
-
- /*
- * Keep the active device for each channel.
- */
u8 ActiveDevice;
/*
@@ -1134,10 +1051,6 @@ typedef struct _Channel {
* ???
*/
u8 ConvertCdb;
-
- /*
- * Use or do not use DMA.
- */
u8 UseDma[2];
/*
@@ -1160,10 +1073,6 @@ typedef struct _Channel {
* DMA PRD table virtual address.
*/
unsigned long *dmatable_cpu;
-
- /*
- * Point to SCATTER/GATHER data buffer.
- */
struct scatterlist *sg_table;
/*
@@ -1185,10 +1094,6 @@ typedef struct _Channel {
* Internal SRB.
*/
SCSI_REQUEST_BLOCK _Srb;
-
- /*
- * Remember the PCI device.
- */
struct pci_dev *pPciDev;
/*
@@ -1197,26 +1102,20 @@ typedef struct _Channel {
u8 TempCdb[MAXIMUM_CDB_SIZE];
} Channel, *PChannel;
-/************************************************************************
- * _Adapter
- ************************************************************************/
typedef struct _Adapter {
- char *name; /* Adapter's name */
- u8 num_channels; /* How many channels support */
- unsigned int irq; /* irq number */
+ char *name;
+ u8 num_channels;
+ unsigned int irq;
unsigned int irqOwned; /* If any irq is use */
- u8 pci_bus; /* PCI bus number */
- u8 devfn; /* Device and function number */
- u8 offline; /* On line or off line */
- u8 bypass_mode; /* bypass or firware mode */
+ u8 pci_bus;
+ u8 devfn;
+ u8 offline;
+ u8 bypass_mode; /* bypass or firmware mode */
u8 reserved2[1]; /* Reserved for alignment */
Channel *IDEChannel; /* IT8212 supports two channels */
- struct pci_dev *pci_dev; /* For PCI device */
+ struct pci_dev *pci_dev;
} ITE_ADAPTER, *PITE_ADAPTER;
-/************************************************************************
- * Beautification macros
- ************************************************************************/
#define ScheduleRetryProcess(pChan) do { \
pChan->retry_timer->expires = jiffies + 10; \
add_timer(pChan->retry_timer); \
@@ -1456,8 +1355,4 @@ do { \
} \
} while (0)
-/************************************************************************
- * Function prototypes
- ************************************************************************/
-
#endif /* #ifndef _ITERAID_H_ */
-
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