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Date: Sun, 3 Feb 2008 23:09:50 +0100 (CET)
From: Stefan Richter <stefanr@...6.in-berlin.de>
To: linux1394-devel@...ts.sourceforge.net
cc: linux-kernel@...r.kernel.org
Subject: [PATCH 5/9] firewire: fw-sbp2: log bus_id at management request
failures
for easier readable logs if more than one SBP-2 device is present.
Signed-off-by: Stefan Richter <stefanr@...6.in-berlin.de>
---
drivers/firewire/fw-sbp2.c | 66 ++++++++++++++++++-------------------
1 file changed, 33 insertions(+), 33 deletions(-)
Index: linux/drivers/firewire/fw-sbp2.c
===================================================================
--- linux.orig/drivers/firewire/fw-sbp2.c
+++ linux/drivers/firewire/fw-sbp2.c
@@ -149,6 +149,7 @@ struct sbp2_target {
struct kref kref;
struct fw_unit *unit;
struct list_head lu_list;
+ const char *bus_id;
u64 management_agent_address;
int directory_id;
@@ -566,20 +567,20 @@ sbp2_send_management_orb(struct sbp2_log
retval = -EIO;
if (sbp2_cancel_orbs(lu) == 0) {
- fw_error("orb reply timed out, rcode=0x%02x\n",
- orb->base.rcode);
+ fw_error("%s: orb reply timed out, rcode=0x%02x\n",
+ lu->tgt->bus_id, orb->base.rcode);
goto out;
}
if (orb->base.rcode != RCODE_COMPLETE) {
- fw_error("management write failed, rcode 0x%02x\n",
- orb->base.rcode);
+ fw_error("%s: management write failed, rcode 0x%02x\n",
+ lu->tgt->bus_id, orb->base.rcode);
goto out;
}
if (STATUS_GET_RESPONSE(orb->status) != 0 ||
STATUS_GET_SBP_STATUS(orb->status) != 0) {
- fw_error("error status: %d:%d\n",
+ fw_error("%s: error status: %d:%d\n", lu->tgt->bus_id,
STATUS_GET_RESPONSE(orb->status),
STATUS_GET_SBP_STATUS(orb->status));
goto out;
@@ -664,7 +665,7 @@ static void sbp2_release_target(struct k
kfree(lu);
}
scsi_remove_host(shost);
- fw_notify("released %s\n", tgt->unit->device.bus_id);
+ fw_notify("released %s\n", tgt->bus_id);
put_device(&tgt->unit->device);
scsi_host_put(shost);
@@ -693,12 +694,11 @@ static void sbp2_login(struct work_struc
{
struct sbp2_logical_unit *lu =
container_of(work, struct sbp2_logical_unit, work.work);
- struct Scsi_Host *shost =
- container_of((void *)lu->tgt, struct Scsi_Host, hostdata[0]);
+ struct sbp2_target *tgt = lu->tgt;
+ struct fw_device *device = fw_device(tgt->unit->device.parent);
+ struct Scsi_Host *shost;
struct scsi_device *sdev;
struct scsi_lun eight_bytes_lun;
- struct fw_unit *unit = lu->tgt->unit;
- struct fw_device *device = fw_device(unit->device.parent);
struct sbp2_login_response response;
int generation, node_id, local_node_id;
@@ -715,14 +715,14 @@ static void sbp2_login(struct work_struc
if (lu->retries++ < 5)
sbp2_queue_work(lu, DIV_ROUND_UP(HZ, 5));
else
- fw_error("failed to login to %s LUN %04x\n",
- unit->device.bus_id, lu->lun);
+ fw_error("%s: failed to login to LUN %04x\n",
+ tgt->bus_id, lu->lun);
goto out;
}
- lu->generation = generation;
- lu->tgt->node_id = node_id;
- lu->tgt->address_high = local_node_id << 16;
+ lu->generation = generation;
+ tgt->node_id = node_id;
+ tgt->address_high = local_node_id << 16;
/* Get command block agent offset and login id. */
lu->command_block_agent_address =
@@ -730,8 +730,8 @@ static void sbp2_login(struct work_struc
response.command_block_agent.low;
lu->login_id = LOGIN_RESPONSE_GET_LOGIN_ID(response);
- fw_notify("logged in to %s LUN %04x (%d retries)\n",
- unit->device.bus_id, lu->lun, lu->retries);
+ fw_notify("%s: logged in to LUN %04x (%d retries)\n",
+ tgt->bus_id, lu->lun, lu->retries);
#if 0
/* FIXME: The linux1394 sbp2 does this last step. */
@@ -747,6 +747,7 @@ static void sbp2_login(struct work_struc
memset(&eight_bytes_lun, 0, sizeof(eight_bytes_lun));
eight_bytes_lun.scsi_lun[0] = (lu->lun >> 8) & 0xff;
eight_bytes_lun.scsi_lun[1] = lu->lun & 0xff;
+ shost = container_of((void *)tgt, struct Scsi_Host, hostdata[0]);
sdev = __scsi_add_device(shost, 0, 0,
scsilun_to_int(&eight_bytes_lun), lu);
@@ -791,7 +792,7 @@ static void sbp2_login(struct work_struc
*/
PREPARE_DELAYED_WORK(&lu->work, sbp2_login);
out:
- sbp2_target_put(lu->tgt);
+ sbp2_target_put(tgt);
}
static int sbp2_add_logical_unit(struct sbp2_target *tgt, int lun_entry)
@@ -874,7 +875,7 @@ static int sbp2_scan_unit_dir(struct sbp
if (timeout > tgt->mgt_orb_timeout)
fw_notify("%s: config rom contains %ds "
"management ORB timeout, limiting "
- "to %ds\n", tgt->unit->device.bus_id,
+ "to %ds\n", tgt->bus_id,
timeout / 1000,
tgt->mgt_orb_timeout / 1000);
break;
@@ -902,7 +903,7 @@ static void sbp2_init_workarounds(struct
if (w)
fw_notify("Please notify linux1394-devel@...ts.sourceforge.net "
"if you need the workarounds parameter for %s\n",
- tgt->unit->device.bus_id);
+ tgt->bus_id);
if (w & SBP2_WORKAROUND_OVERRIDE)
goto out;
@@ -924,8 +925,7 @@ static void sbp2_init_workarounds(struct
if (w)
fw_notify("Workarounds for %s: 0x%x "
"(firmware_revision 0x%06x, model_id 0x%06x)\n",
- tgt->unit->device.bus_id,
- w, firmware_revision, model);
+ tgt->bus_id, w, firmware_revision, model);
tgt->workarounds = w;
}
@@ -949,6 +949,7 @@ static int sbp2_probe(struct device *dev
tgt->unit = unit;
kref_init(&tgt->kref);
INIT_LIST_HEAD(&tgt->lu_list);
+ tgt->bus_id = unit->device.bus_id;
if (fw_device_enable_phys_dma(device) < 0)
goto fail_shost_put;
@@ -999,8 +1000,8 @@ static void sbp2_reconnect(struct work_s
{
struct sbp2_logical_unit *lu =
container_of(work, struct sbp2_logical_unit, work.work);
- struct fw_unit *unit = lu->tgt->unit;
- struct fw_device *device = fw_device(unit->device.parent);
+ struct sbp2_target *tgt = lu->tgt;
+ struct fw_device *device = fw_device(tgt->unit->device.parent);
int generation, node_id, local_node_id;
if (fw_device_is_shutdown(device))
@@ -1015,8 +1016,7 @@ static void sbp2_reconnect(struct work_s
SBP2_RECONNECT_REQUEST,
lu->login_id, NULL) < 0) {
if (lu->retries++ >= 5) {
- fw_error("failed to reconnect to %s\n",
- unit->device.bus_id);
+ fw_error("%s: failed to reconnect\n", tgt->bus_id);
/* Fall back and try to log in again. */
lu->retries = 0;
PREPARE_DELAYED_WORK(&lu->work, sbp2_login);
@@ -1025,17 +1025,17 @@ static void sbp2_reconnect(struct work_s
goto out;
}
- lu->generation = generation;
- lu->tgt->node_id = node_id;
- lu->tgt->address_high = local_node_id << 16;
+ lu->generation = generation;
+ tgt->node_id = node_id;
+ tgt->address_high = local_node_id << 16;
- fw_notify("reconnected to %s LUN %04x (%d retries)\n",
- unit->device.bus_id, lu->lun, lu->retries);
+ fw_notify("%s: reconnected to LUN %04x (%d retries)\n",
+ tgt->bus_id, lu->lun, lu->retries);
sbp2_agent_reset(lu);
sbp2_cancel_orbs(lu);
out:
- sbp2_target_put(lu->tgt);
+ sbp2_target_put(tgt);
}
static void sbp2_update(struct fw_unit *unit)
@@ -1377,7 +1377,7 @@ static int sbp2_scsi_abort(struct scsi_c
{
struct sbp2_logical_unit *lu = cmd->device->hostdata;
- fw_notify("sbp2_scsi_abort\n");
+ fw_notify("%s: sbp2_scsi_abort\n", lu->tgt->bus_id);
sbp2_agent_reset(lu);
sbp2_cancel_orbs(lu);
--
Stefan Richter
-=====-==--- --=- ---==
http://arcgraph.de/sr/
--
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