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scsi: use 64-bit LUNs

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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>
This commit is contained in:
Hannes Reinecke
2014-06-25 15:27:36 +02:00
committed by Christoph Hellwig
parent 755f516bbb
commit 9cb78c16f5
86 changed files with 438 additions and 429 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
drivers/scsi/dc395x.c
View File

@@ -1087,7 +1087,7 @@ static int dc395x_queue_command_lck(struct scsi_cmnd *cmd, void (*done)(struct s
struct AdapterCtlBlk *acb =
(struct AdapterCtlBlk *)cmd->device->host->hostdata;
dprintkdbg(DBG_0, "queue_command: (0x%p) <%02i-%i> cmnd=0x%02x\n",
cmd, cmd->device->id, cmd->device->lun, cmd->cmnd[0]);
cmd, cmd->device->id, (u8)cmd->device->lun, cmd->cmnd[0]);
/* Assume BAD_TARGET; will be cleared later */
cmd->result = DID_BAD_TARGET << 16;
@@ -1102,7 +1102,7 @@ static int dc395x_queue_command_lck(struct scsi_cmnd *cmd, void (*done)(struct s
/* does the specified lun on the specified device exist */
if (!(acb->dcb_map[cmd->device->id] & (1 << cmd->device->lun))) {
dprintkl(KERN_INFO, "queue_command: Ignore target <%02i-%i>\n",
cmd->device->id, cmd->device->lun);
cmd->device->id, (u8)cmd->device->lun);
goto complete;
}
@@ -1111,7 +1111,7 @@ static int dc395x_queue_command_lck(struct scsi_cmnd *cmd, void (*done)(struct s
if (!dcb) {
/* should never happen */
dprintkl(KERN_ERR, "queue_command: No such device <%02i-%i>",
cmd->device->id, cmd->device->lun);
cmd->device->id, (u8)cmd->device->lun);
goto complete;
}
@@ -1207,7 +1207,7 @@ static void dump_register_info(struct AdapterCtlBlk *acb,
"cmnd=0x%02x <%02i-%i>\n",
srb, srb->cmd,
srb->cmd->cmnd[0], srb->cmd->device->id,
srb->cmd->device->lun);
(u8)srb->cmd->device->lun);
printk(" sglist=%p cnt=%i idx=%i len=%zu\n",
srb->segment_x, srb->sg_count, srb->sg_index,
srb->total_xfer_length);
@@ -1302,7 +1302,7 @@ static int __dc395x_eh_bus_reset(struct scsi_cmnd *cmd)
(struct AdapterCtlBlk *)cmd->device->host->hostdata;
dprintkl(KERN_INFO,
"eh_bus_reset: (0%p) target=<%02i-%i> cmd=%p\n",
cmd, cmd->device->id, cmd->device->lun, cmd);
cmd, cmd->device->id, (u8)cmd->device->lun, cmd);
if (timer_pending(&acb->waiting_timer))
del_timer(&acb->waiting_timer);
@@ -1369,7 +1369,7 @@ static int dc395x_eh_abort(struct scsi_cmnd *cmd)
struct DeviceCtlBlk *dcb;
struct ScsiReqBlk *srb;
dprintkl(KERN_INFO, "eh_abort: (0x%p) target=<%02i-%i> cmd=%p\n",
cmd, cmd->device->id, cmd->device->lun, cmd);
cmd, cmd->device->id, (u8)cmd->device->lun, cmd);
dcb = find_dcb(acb, cmd->device->id, cmd->device->lun);
if (!dcb) {
@@ -1605,7 +1605,7 @@ static u8 start_scsi(struct AdapterCtlBlk* acb, struct DeviceCtlBlk* dcb,
dprintkl(KERN_WARNING, "start_scsi: (0x%p) "
"Out of tags target=<%02i-%i>)\n",
srb->cmd, srb->cmd->device->id,
srb->cmd->device->lun);
(u8)srb->cmd->device->lun);
srb->state = SRB_READY;
DC395x_write16(acb, TRM_S1040_SCSI_CONTROL,
DO_HWRESELECT);
@@ -1623,7 +1623,7 @@ static u8 start_scsi(struct AdapterCtlBlk* acb, struct DeviceCtlBlk* dcb,
/*polling:*/
/* Send CDB ..command block ......... */
dprintkdbg(DBG_KG, "start_scsi: (0x%p) <%02i-%i> cmnd=0x%02x tag=%i\n",
srb->cmd, srb->cmd->device->id, srb->cmd->device->lun,
srb->cmd, srb->cmd->device->id, (u8)srb->cmd->device->lun,
srb->cmd->cmnd[0], srb->tag_number);
if (srb->flag & AUTO_REQSENSE) {
DC395x_write8(acb, TRM_S1040_SCSI_FIFO, REQUEST_SENSE);
@@ -2041,7 +2041,7 @@ static void data_out_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
u16 scsi_status = *pscsi_status;
u32 d_left_counter = 0;
dprintkdbg(DBG_0, "data_out_phase0: (0x%p) <%02i-%i>\n",
srb->cmd, srb->cmd->device->id, srb->cmd->device->lun);
srb->cmd, srb->cmd->device->id, (u8)srb->cmd->device->lun);
/*
* KG: We need to drain the buffers before we draw any conclusions!
@@ -2171,7 +2171,7 @@ static void data_out_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
u16 *pscsi_status)
{
dprintkdbg(DBG_0, "data_out_phase1: (0x%p) <%02i-%i>\n",
srb->cmd, srb->cmd->device->id, srb->cmd->device->lun);
srb->cmd, srb->cmd->device->id, (u8)srb->cmd->device->lun);
clear_fifo(acb, "data_out_phase1");
/* do prepare before transfer when data out phase */
data_io_transfer(acb, srb, XFERDATAOUT);
@@ -2183,7 +2183,7 @@ static void data_in_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
u16 scsi_status = *pscsi_status;
dprintkdbg(DBG_0, "data_in_phase0: (0x%p) <%02i-%i>\n",
srb->cmd, srb->cmd->device->id, srb->cmd->device->lun);
srb->cmd, srb->cmd->device->id, (u8)srb->cmd->device->lun);
/*
* KG: DataIn is much more tricky than DataOut. When the device is finished
@@ -2394,7 +2394,7 @@ static void data_in_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
u16 *pscsi_status)
{
dprintkdbg(DBG_0, "data_in_phase1: (0x%p) <%02i-%i>\n",
srb->cmd, srb->cmd->device->id, srb->cmd->device->lun);
srb->cmd, srb->cmd->device->id, (u8)srb->cmd->device->lun);
data_io_transfer(acb, srb, XFERDATAIN);
}
@@ -2406,7 +2406,7 @@ static void data_io_transfer(struct AdapterCtlBlk *acb,
u8 bval;
dprintkdbg(DBG_0,
"data_io_transfer: (0x%p) <%02i-%i> %c len=%i, sg=(%i/%i)\n",
srb->cmd, srb->cmd->device->id, srb->cmd->device->lun,
srb->cmd, srb->cmd->device->id, (u8)srb->cmd->device->lun,
((io_dir & DMACMD_DIR) ? 'r' : 'w'),
srb->total_xfer_length, srb->sg_index, srb->sg_count);
if (srb == acb->tmp_srb)
@@ -2579,7 +2579,7 @@ static void status_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
u16 *pscsi_status)
{
dprintkdbg(DBG_0, "status_phase0: (0x%p) <%02i-%i>\n",
srb->cmd, srb->cmd->device->id, srb->cmd->device->lun);
srb->cmd, srb->cmd->device->id, (u8)srb->cmd->device->lun);
srb->target_status = DC395x_read8(acb, TRM_S1040_SCSI_FIFO);
srb->end_message = DC395x_read8(acb, TRM_S1040_SCSI_FIFO); /* get message */
srb->state = SRB_COMPLETED;
@@ -2593,7 +2593,7 @@ static void status_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
u16 *pscsi_status)
{
dprintkdbg(DBG_0, "status_phase1: (0x%p) <%02i-%i>\n",
srb->cmd, srb->cmd->device->id, srb->cmd->device->lun);
srb->cmd, srb->cmd->device->id, (u8)srb->cmd->device->lun);
srb->state = SRB_STATUS;
DC395x_write16(acb, TRM_S1040_SCSI_CONTROL, DO_DATALATCH); /* it's important for atn stop */
DC395x_write8(acb, TRM_S1040_SCSI_COMMAND, SCMD_COMP);
@@ -3318,7 +3318,7 @@ static void srb_done(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb,
int ckc_only = 1;
dprintkdbg(DBG_1, "srb_done: (0x%p) <%02i-%i>\n", srb->cmd,
srb->cmd->device->id, srb->cmd->device->lun);
srb->cmd->device->id, (u8)srb->cmd->device->lun);
dprintkdbg(DBG_SG, "srb_done: srb=%p sg=%i(%i/%i) buf=%p\n",
srb, scsi_sg_count(cmd), srb->sg_index, srb->sg_count,
scsi_sgtalbe(cmd));
@@ -3498,7 +3498,7 @@ static void srb_done(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb,
if (srb->total_xfer_length)
dprintkdbg(DBG_KG, "srb_done: (0x%p) <%02i-%i> "
"cmnd=0x%02x Missed %i bytes\n",
cmd, cmd->device->id, cmd->device->lun,
cmd, cmd->device->id, (u8)cmd->device->lun,
cmd->cmnd[0], srb->total_xfer_length);
}
@@ -3538,7 +3538,7 @@ static void doing_srb_done(struct AdapterCtlBlk *acb, u8 did_flag,
dir = p->sc_data_direction;
result = MK_RES(0, did_flag, 0, 0);
printk("G:%p(%02i-%i) ", p,
p->device->id, p->device->lun);
p->device->id, (u8)p->device->lun);
srb_going_remove(dcb, srb);
free_tag(dcb, srb);
srb_free_insert(acb, srb);
@@ -3568,7 +3568,7 @@ static void doing_srb_done(struct AdapterCtlBlk *acb, u8 did_flag,
result = MK_RES(0, did_flag, 0, 0);
printk("W:%p<%02i-%i>", p, p->device->id,
p->device->lun);
(u8)p->device->lun);
srb_waiting_remove(dcb, srb);
srb_free_insert(acb, srb);
p->result = result;
@@ -3677,7 +3677,7 @@ static void request_sense(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb,
{
struct scsi_cmnd *cmd = srb->cmd;
dprintkdbg(DBG_1, "request_sense: (0x%p) <%02i-%i>\n",
cmd, cmd->device->id, cmd->device->lun);
cmd, cmd->device->id, (u8)cmd->device->lun);
srb->flag |= AUTO_REQSENSE;
srb->adapter_status = 0;