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[SCSI] bfa: Move debugfs initialization before bfa init. 

Move the initialization of debugfs before bfa init, to enable us to
collect driver/firmware traces if init fails.  Also add a printk to
display message on bfa_init failure.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
hifive-unleashed-5.1
Krishna Gudipati 2011-04-14 16:50:35 -07:00 committed by James Bottomley
parent 61338a0b34
commit 7c38c05b3e
2 changed files with 27 additions and 28 deletions
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22
drivers/scsi/bfa/bfad.c
View File

@ -232,6 +232,9 @@ bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event)
if ((bfad->bfad_flags & BFAD_HAL_INIT_DONE)) {
bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS);
} else {
printk(KERN_WARNING
"bfa %s: bfa init failed\n",
bfad->pci_name);
bfad->bfad_flags |= BFAD_HAL_INIT_FAIL;
bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED);
}
@ -1001,10 +1004,6 @@ bfad_cfg_pport(struct bfad_s *bfad, enum bfa_lport_role role)
bfad->pport.roles |= BFA_LPORT_ROLE_FCP_IM;
}
/* Setup the debugfs node for this scsi_host */
if (bfa_debugfs_enable)
bfad_debugfs_init(&bfad->pport);
bfad->bfad_flags |= BFAD_CFG_PPORT_DONE;
out:
@ -1014,10 +1013,6 @@ out:
void
bfad_uncfg_pport(struct bfad_s *bfad)
{
/* Remove the debugfs node for this scsi_host */
kfree(bfad->regdata);
bfad_debugfs_exit(&bfad->pport);
if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) &&
(bfad->pport.roles & BFA_LPORT_ROLE_FCP_IM)) {
bfad_im_scsi_host_free(bfad, bfad->pport.im_port);
@ -1399,6 +1394,10 @@ bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid)
bfad->pport.bfad = bfad;
INIT_LIST_HEAD(&bfad->pbc_vport_list);
/* Setup the debugfs node for this bfad */
if (bfa_debugfs_enable)
bfad_debugfs_init(&bfad->pport);
retval = bfad_drv_init(bfad);
if (retval != BFA_STATUS_OK)
goto out_drv_init_failure;
@ -1414,6 +1413,9 @@ out_bfad_sm_failure:
bfa_detach(&bfad->bfa);
bfad_hal_mem_release(bfad);
out_drv_init_failure:
/* Remove the debugfs node for this bfad */
kfree(bfad->regdata);
bfad_debugfs_exit(&bfad->pport);
mutex_lock(&bfad_mutex);
bfad_inst--;
list_del(&bfad->list_entry);
@ -1455,6 +1457,10 @@ bfad_pci_remove(struct pci_dev *pdev)
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
bfad_hal_mem_release(bfad);
/* Remove the debugfs node for this bfad */
kfree(bfad->regdata);
bfad_debugfs_exit(&bfad->pport);
/* Cleaning the BFAD instance */
mutex_lock(&bfad_mutex);
bfad_inst--;

33
drivers/scsi/bfa/bfad_debugfs.c
View File

@ -28,10 +28,10 @@
* mount -t debugfs none /sys/kernel/debug
*
* BFA Hierarchy:
* - bfa/host#
* where the host number corresponds to the one under /sys/class/scsi_host/host#
* - bfa/pci_dev:<pci_name>
* where the pci_name corresponds to the one under /sys/bus/pci/drivers/bfa
*
* Debugging service available per host:
* Debugging service available per pci_dev:
* fwtrc: To collect current firmware trace.
* drvtrc: To collect current driver trace
* fwsave: To collect last saved fw trace as a result of firmware crash.
@ -489,11 +489,9 @@ static atomic_t bfa_debugfs_port_count;
inline void
bfad_debugfs_init(struct bfad_port_s *port)
{
struct bfad_im_port_s *im_port = port->im_port;
struct bfad_s *bfad = im_port->bfad;
struct Scsi_Host *shost = im_port->shost;
struct bfad_s *bfad = port->bfad;
const struct bfad_debugfs_entry *file;
char name[16];
char name[64];
int i;
if (!bfa_debugfs_enable)
@ -510,17 +508,15 @@ bfad_debugfs_init(struct bfad_port_s *port)
}
}
/*
* Setup the host# directory for the port,
* corresponds to the scsi_host num of this port.
*/
snprintf(name, sizeof(name), "host%d", shost->host_no);
/* Setup the pci_dev debugfs directory for the port */
snprintf(name, sizeof(name), "pci_dev:%s", bfad->pci_name);
if (!port->port_debugfs_root) {
port->port_debugfs_root =
debugfs_create_dir(name, bfa_debugfs_root);
if (!port->port_debugfs_root) {
printk(KERN_WARNING
"BFA host root dir creation failed\n");
"bfa %s: debugfs root creation failed\n",
bfad->pci_name);
goto err;
}
@ -536,8 +532,8 @@ bfad_debugfs_init(struct bfad_port_s *port)
file->fops);
if (!bfad->bfad_dentry_files[i]) {
printk(KERN_WARNING
"BFA host%d: create %s entry failed\n",
shost->host_no, file->name);
"bfa %s: debugfs %s creation failed\n",
bfad->pci_name, file->name);
goto err;
}
}
@ -550,8 +546,7 @@ err:
inline void
bfad_debugfs_exit(struct bfad_port_s *port)
{
struct bfad_im_port_s *im_port = port->im_port;
struct bfad_s *bfad = im_port->bfad;
struct bfad_s *bfad = port->bfad;
int i;
for (i = 0; i < ARRAY_SIZE(bfad_debugfs_files); i++) {
@ -562,9 +557,7 @@ bfad_debugfs_exit(struct bfad_port_s *port)
}
/*
* Remove the host# directory for the port,
* corresponds to the scsi_host num of this port.
*/
* Remove the pci_dev debugfs directory for the port */
if (port->port_debugfs_root) {
debugfs_remove(port->port_debugfs_root);
port->port_debugfs_root = NULL;