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[SCSI] fusion - Greater than 255 target and lun support

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Add support for greater than 255 target and luns.
Kill the hd->Target[] field, and change all references
of bus_id/target_id, to channel/id.

Signed-off-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Eric Moore
2007-01-29 09:42:20 -07:00
committed by James Bottomley
parent 502c62f17a
commit 793955f549
9 changed files with 379 additions and 476 deletions
Download Patch File Download Diff File Expand all files Collapse all files

159
drivers/message/fusion/mptctl.c
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@@ -361,7 +361,7 @@ static int mptctl_bus_reset(MPT_IOCTL *ioctl)
ioctl->ioc->name, mf));
pScsiTm = (SCSITaskMgmt_t *) mf;
pScsiTm->TargetID = ioctl->target;
pScsiTm->TargetID = ioctl->id;
pScsiTm->Bus = hd->port; /* 0 */
pScsiTm->ChainOffset = 0;
pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
@@ -1159,15 +1159,12 @@ mptctl_getiocinfo (unsigned long arg, unsigned int data_size)
struct mpt_ioctl_iocinfo *karg;
MPT_ADAPTER *ioc;
struct pci_dev *pdev;
struct Scsi_Host *sh;
MPT_SCSI_HOST *hd;
int iocnum;
int numDevices = 0;
unsigned int max_id;
int ii;
unsigned int port;
int cim_rev;
u8 revision;
struct scsi_device *sdev;
VirtDevice *vdev;
dctlprintk((": mptctl_getiocinfo called.\n"));
/* Add of PCI INFO results in unaligned access for
@@ -1257,23 +1254,16 @@ mptctl_getiocinfo (unsigned long arg, unsigned int data_size)
/* Get number of devices
*/
if ((sh = ioc->sh) != NULL) {
/* sh->max_id = maximum target ID + 1
*/
max_id = sh->max_id - 1;
hd = (MPT_SCSI_HOST *) sh->hostdata;
/* Check all of the target structures and
* keep a counter.
*/
if (hd && hd->Targets) {
for (ii = 0; ii <= max_id; ii++) {
if (hd->Targets[ii])
numDevices++;
}
karg->numDevices = 0;
if (ioc->sh) {
shost_for_each_device(sdev, ioc->sh) {
vdev = sdev->hostdata;
if (vdev->vtarget->tflags &
MPT_TARGET_FLAGS_RAID_COMPONENT)
continue;
karg->numDevices++;
}
}
karg->numDevices = numDevices;
/* Set the BIOS and FW Version
*/
@@ -1319,21 +1309,16 @@ mptctl_gettargetinfo (unsigned long arg)
struct mpt_ioctl_targetinfo __user *uarg = (void __user *) arg;
struct mpt_ioctl_targetinfo karg;
MPT_ADAPTER *ioc;
struct Scsi_Host *sh;
MPT_SCSI_HOST *hd;
VirtTarget *vdev;
VirtDevice *vdev;
char *pmem;
int *pdata;
IOCPage2_t *pIoc2;
IOCPage3_t *pIoc3;
int iocnum;
int numDevices = 0;
unsigned int max_id;
int id, jj, indexed_lun, lun_index;
u32 lun;
int lun;
int maxWordsLeft;
int numBytes;
u8 port, devType, bus_id;
u8 port;
struct scsi_device *sdev;
dctlprintk(("mptctl_gettargetinfo called.\n"));
if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_targetinfo))) {
@@ -1389,74 +1374,22 @@ mptctl_gettargetinfo (unsigned long arg)
/* Get number of devices
*/
if ((sh = ioc->sh) != NULL) {
max_id = sh->max_id - 1;
hd = (MPT_SCSI_HOST *) sh->hostdata;
/* Check all of the target structures.
* Save the Id and increment the counter,
* if ptr non-null.
* sh->max_id = maximum target ID + 1
*/
if (hd && hd->Targets) {
mpt_findImVolumes(ioc);
pIoc2 = ioc->raid_data.pIocPg2;
for ( id = 0; id <= max_id; ) {
if ( pIoc2 && pIoc2->NumActiveVolumes ) {
if ( id == pIoc2->RaidVolume[0].VolumeID ) {
if (maxWordsLeft <= 0) {
printk(KERN_ERR "mptctl_gettargetinfo - "
"buffer is full but volume is available on ioc %d\n, numDevices=%d", iocnum, numDevices);
goto data_space_full;
}
if ( ( pIoc2->RaidVolume[0].Flags & MPI_IOCPAGE2_FLAG_VOLUME_INACTIVE ) == 0 )
devType = 0x80;
else
devType = 0xC0;
bus_id = pIoc2->RaidVolume[0].VolumeBus;
numDevices++;
*pdata = ( (devType << 24) | (bus_id << 8) | id );
dctlprintk((KERN_ERR "mptctl_gettargetinfo - "
"volume ioc=%d target=%x numDevices=%d pdata=%p\n", iocnum, *pdata, numDevices, pdata));
pdata++;
--maxWordsLeft;
goto next_id;
} else {
pIoc3 = ioc->raid_data.pIocPg3;
for ( jj = 0; jj < pIoc3->NumPhysDisks; jj++ ) {
if ( pIoc3->PhysDisk[jj].PhysDiskID == id )
goto next_id;
}
}
}
if ( (vdev = hd->Targets[id]) ) {
for (jj = 0; jj <= MPT_LAST_LUN; jj++) {
lun_index = (jj >> 5);
indexed_lun = (jj % 32);
lun = (1 << indexed_lun);
if (vdev->luns[lun_index] & lun) {
if (maxWordsLeft <= 0) {
printk(KERN_ERR "mptctl_gettargetinfo - "
"buffer is full but more targets are available on ioc %d numDevices=%d\n", iocnum, numDevices);
goto data_space_full;
}
bus_id = vdev->bus_id;
numDevices++;
*pdata = ( (jj << 16) | (bus_id << 8) | id );
dctlprintk((KERN_ERR "mptctl_gettargetinfo - "
"target ioc=%d target=%x numDevices=%d pdata=%p\n", iocnum, *pdata, numDevices, pdata));
pdata++;
--maxWordsLeft;
}
}
}
next_id:
id++;
}
if (ioc->sh){
shost_for_each_device(sdev, ioc->sh) {
if (!maxWordsLeft)
continue;
vdev = sdev->hostdata;
if (vdev->vtarget->tflags &
MPT_TARGET_FLAGS_RAID_COMPONENT)
continue;
lun = (vdev->vtarget->raidVolume) ? 0x80 : vdev->lun;
*pdata = (((u8)lun << 16) + (vdev->vtarget->channel << 8) +
(vdev->vtarget->id ));
pdata++;
numDevices++;
--maxWordsLeft;
}
}
data_space_full:
karg.numDevices = numDevices;
/* Copy part of the data from kernel memory to user memory
@@ -1821,6 +1754,7 @@ mptctl_do_mpt_command (struct mpt_ioctl_command karg, void __user *mfPtr)
int msgContext;
u16 req_idx;
ulong timeout;
struct scsi_device *sdev;
dctlprintk(("mptctl_do_mpt_command called.\n"));
bufIn.kptr = bufOut.kptr = NULL;
@@ -1902,14 +1836,13 @@ mptctl_do_mpt_command (struct mpt_ioctl_command karg, void __user *mfPtr)
case MPI_FUNCTION_SCSI_IO_REQUEST:
if (ioc->sh) {
SCSIIORequest_t *pScsiReq = (SCSIIORequest_t *) mf;
VirtTarget *pTarget = NULL;
MPT_SCSI_HOST *hd = NULL;
int qtag = MPI_SCSIIO_CONTROL_UNTAGGED;
int scsidir = 0;
int target = (int) pScsiReq->TargetID;
int dataSize;
u32 id;
if ((target < 0) || (target >= ioc->sh->max_id)) {
id = (ioc->devices_per_bus == 0) ? 256 : ioc->devices_per_bus;
if (pScsiReq->TargetID > id) {
printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - "
"Target ID out of bounds. \n",
__FILE__, __LINE__);
@@ -1917,6 +1850,14 @@ mptctl_do_mpt_command (struct mpt_ioctl_command karg, void __user *mfPtr)
goto done_free_mem;
}
if (pScsiReq->Bus >= ioc->number_of_buses) {
printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - "
"Target Bus out of bounds. \n",
__FILE__, __LINE__);
rc = -ENODEV;
goto done_free_mem;
}
pScsiReq->MsgFlags &= ~MPI_SCSIIO_MSGFLGS_SENSE_WIDTH;
pScsiReq->MsgFlags |= mpt_msg_flags();
@@ -1936,13 +1877,15 @@ mptctl_do_mpt_command (struct mpt_ioctl_command karg, void __user *mfPtr)
cpu_to_le32(ioc->sense_buf_low_dma
+ (req_idx * MPT_SENSE_BUFFER_ALLOC));
if ((hd = (MPT_SCSI_HOST *) ioc->sh->hostdata)) {
if (hd->Targets)
pTarget = hd->Targets[target];
}
shost_for_each_device(sdev, ioc->sh) {
struct scsi_target *starget = scsi_target(sdev);
VirtTarget *vtarget = starget->hostdata;
if (pTarget &&(pTarget->tflags & MPT_TARGET_FLAGS_Q_YES))
qtag = MPI_SCSIIO_CONTROL_SIMPLEQ;
if ((pScsiReq->TargetID == vtarget->id) &&
(pScsiReq->Bus == vtarget->channel) &&
(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
qtag = MPI_SCSIIO_CONTROL_SIMPLEQ;
}
/* Have the IOCTL driver set the direction based
* on the dataOutSize (ordering issue with Sparc).
@@ -1959,7 +1902,7 @@ mptctl_do_mpt_command (struct mpt_ioctl_command karg, void __user *mfPtr)
pScsiReq->DataLength = cpu_to_le32(dataSize);
ioc->ioctl->reset = MPTCTL_RESET_OK;
ioc->ioctl->target = target;
ioc->ioctl->id = pScsiReq->TargetID;
} else {
printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - "
@@ -2038,7 +1981,7 @@ mptctl_do_mpt_command (struct mpt_ioctl_command karg, void __user *mfPtr)
pScsiReq->DataLength = cpu_to_le32(dataSize);
ioc->ioctl->reset = MPTCTL_RESET_OK;
ioc->ioctl->target = pScsiReq->TargetID;
ioc->ioctl->id = pScsiReq->TargetID;
} else {
printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - "
"SCSI driver is not loaded. \n",