summaryrefslogtreecommitdiff
path: root/drivers/scsi/wd33c93.c
diff options
context:
space:
mode:
authorHannes Reinecke <hare@suse.de>2014-06-25 17:27:36 +0400
committerChristoph Hellwig <hch@lst.de>2014-07-18 00:07:37 +0400
commit9cb78c16f5dadefd8dc5ba0ae5a2f26cd59419b3 (patch)
tree576b86c3ec56dd7176285ec2d27f27ca55f77bc3 /drivers/scsi/wd33c93.c
parent755f516bbb983915d6cbfb5aa592cc0a5a99fd00 (diff)
downloadlinux-9cb78c16f5dadefd8dc5ba0ae5a2f26cd59419b3.tar.xz
scsi: use 64-bit LUNs
The SCSI standard defines 64-bit values for LUNs, and large arrays employing large or hierarchical LUN numbers become more and more common. So update the linux SCSI stack to use 64-bit LUN numbers. Signed-off-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Christoph Hellwig <hch@infradead.org> Reviewed-by: Ewan Milne <emilne@redhat.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/scsi/wd33c93.c')
-rw-r--r--drivers/scsi/wd33c93.c33
1 files changed, 17 insertions, 16 deletions
diff --git a/drivers/scsi/wd33c93.c b/drivers/scsi/wd33c93.c
index 41883a87931d..c0506de4f3b6 100644
--- a/drivers/scsi/wd33c93.c
+++ b/drivers/scsi/wd33c93.c
@@ -502,7 +502,8 @@ wd33c93_execute(struct Scsi_Host *instance)
cmd = (struct scsi_cmnd *) hostdata->input_Q;
prev = NULL;
while (cmd) {
- if (!(hostdata->busy[cmd->device->id] & (1 << cmd->device->lun)))
+ if (!(hostdata->busy[cmd->device->id] &
+ (1 << (cmd->device->lun & 0xff))))
break;
prev = cmd;
cmd = (struct scsi_cmnd *) cmd->host_scribble;
@@ -593,10 +594,10 @@ wd33c93_execute(struct Scsi_Host *instance)
write_wd33c93(regs, WD_SOURCE_ID, ((cmd->SCp.phase) ? SRCID_ER : 0));
- write_wd33c93(regs, WD_TARGET_LUN, cmd->device->lun);
+ write_wd33c93(regs, WD_TARGET_LUN, (u8)cmd->device->lun);
write_wd33c93(regs, WD_SYNCHRONOUS_TRANSFER,
hostdata->sync_xfer[cmd->device->id]);
- hostdata->busy[cmd->device->id] |= (1 << cmd->device->lun);
+ hostdata->busy[cmd->device->id] |= (1 << (cmd->device->lun & 0xFF));
if ((hostdata->level2 == L2_NONE) ||
(hostdata->sync_stat[cmd->device->id] == SS_UNSET)) {
@@ -862,7 +863,7 @@ wd33c93_intr(struct Scsi_Host *instance)
}
cmd->result = DID_NO_CONNECT << 16;
- hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun);
+ hostdata->busy[cmd->device->id] &= ~(1 << (cmd->device->lun & 0xff));
hostdata->state = S_UNCONNECTED;
cmd->scsi_done(cmd);
@@ -895,7 +896,7 @@ wd33c93_intr(struct Scsi_Host *instance)
/* construct an IDENTIFY message with correct disconnect bit */
- hostdata->outgoing_msg[0] = (0x80 | 0x00 | cmd->device->lun);
+ hostdata->outgoing_msg[0] = IDENTIFY(0, cmd->device->lun);
if (cmd->SCp.phase)
hostdata->outgoing_msg[0] |= 0x40;
@@ -1179,7 +1180,7 @@ wd33c93_intr(struct Scsi_Host *instance)
lun = read_wd33c93(regs, WD_TARGET_LUN);
DB(DB_INTR, printk(":%d.%d", cmd->SCp.Status, lun))
hostdata->connected = NULL;
- hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun);
+ hostdata->busy[cmd->device->id] &= ~(1 << (cmd->device->lun & 0xff));
hostdata->state = S_UNCONNECTED;
if (cmd->SCp.Status == ILLEGAL_STATUS_BYTE)
cmd->SCp.Status = lun;
@@ -1268,7 +1269,7 @@ wd33c93_intr(struct Scsi_Host *instance)
}
DB(DB_INTR, printk("UNEXP_DISC"))
hostdata->connected = NULL;
- hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun);
+ hostdata->busy[cmd->device->id] &= ~(1 << (cmd->device->lun & 0xff));
hostdata->state = S_UNCONNECTED;
if (cmd->cmnd[0] == REQUEST_SENSE && cmd->SCp.Status != GOOD)
cmd->result =
@@ -1300,7 +1301,7 @@ wd33c93_intr(struct Scsi_Host *instance)
switch (hostdata->state) {
case S_PRE_CMP_DISC:
hostdata->connected = NULL;
- hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun);
+ hostdata->busy[cmd->device->id] &= ~(1 << (cmd->device->lun & 0xff));
hostdata->state = S_UNCONNECTED;
DB(DB_INTR, printk(":%d", cmd->SCp.Status))
if (cmd->cmnd[0] == REQUEST_SENSE
@@ -1353,7 +1354,7 @@ wd33c93_intr(struct Scsi_Host *instance)
if (hostdata->selecting) {
cmd = (struct scsi_cmnd *) hostdata->selecting;
hostdata->selecting = NULL;
- hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun);
+ hostdata->busy[cmd->device->id] &= ~(1 << (cmd->device->lun & 0xff));
cmd->host_scribble =
(uchar *) hostdata->input_Q;
hostdata->input_Q = cmd;
@@ -1365,7 +1366,7 @@ wd33c93_intr(struct Scsi_Host *instance)
if (cmd) {
if (phs == 0x00) {
hostdata->busy[cmd->device->id] &=
- ~(1 << cmd->device->lun);
+ ~(1 << (cmd->device->lun & 0xff));
cmd->host_scribble =
(uchar *) hostdata->input_Q;
hostdata->input_Q = cmd;
@@ -1448,7 +1449,7 @@ wd33c93_intr(struct Scsi_Host *instance)
cmd = (struct scsi_cmnd *) hostdata->disconnected_Q;
patch = NULL;
while (cmd) {
- if (id == cmd->device->id && lun == cmd->device->lun)
+ if (id == cmd->device->id && lun == (u8)cmd->device->lun)
break;
patch = cmd;
cmd = (struct scsi_cmnd *) cmd->host_scribble;
@@ -1459,7 +1460,7 @@ wd33c93_intr(struct Scsi_Host *instance)
if (!cmd) {
printk
("---TROUBLE: target %d.%d not in disconnect queue---",
- id, lun);
+ id, (u8)lun);
spin_unlock_irqrestore(&hostdata->lock, flags);
return;
}
@@ -1705,7 +1706,7 @@ wd33c93_abort(struct scsi_cmnd * cmd)
sr = read_wd33c93(regs, WD_SCSI_STATUS);
printk("asr=%02x, sr=%02x.", asr, sr);
- hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun);
+ hostdata->busy[cmd->device->id] &= ~(1 << (cmd->device->lun & 0xff));
hostdata->connected = NULL;
hostdata->state = S_UNCONNECTED;
cmd->result = DID_ABORT << 16;
@@ -2169,7 +2170,7 @@ wd33c93_show_info(struct seq_file *m, struct Scsi_Host *instance)
seq_printf(m, "\nconnected: ");
if (hd->connected) {
cmd = (struct scsi_cmnd *) hd->connected;
- seq_printf(m, " %d:%d(%02x)",
+ seq_printf(m, " %d:%llu(%02x)",
cmd->device->id, cmd->device->lun, cmd->cmnd[0]);
}
}
@@ -2177,7 +2178,7 @@ wd33c93_show_info(struct seq_file *m, struct Scsi_Host *instance)
seq_printf(m, "\ninput_Q: ");
cmd = (struct scsi_cmnd *) hd->input_Q;
while (cmd) {
- seq_printf(m, " %d:%d(%02x)",
+ seq_printf(m, " %d:%llu(%02x)",
cmd->device->id, cmd->device->lun, cmd->cmnd[0]);
cmd = (struct scsi_cmnd *) cmd->host_scribble;
}
@@ -2186,7 +2187,7 @@ wd33c93_show_info(struct seq_file *m, struct Scsi_Host *instance)
seq_printf(m, "\ndisconnected_Q:");
cmd = (struct scsi_cmnd *) hd->disconnected_Q;
while (cmd) {
- seq_printf(m, " %d:%d(%02x)",
+ seq_printf(m, " %d:%llu(%02x)",
cmd->device->id, cmd->device->lun, cmd->cmnd[0]);
cmd = (struct scsi_cmnd *) cmd->host_scribble;
}