[PATCH v4 01/14] scsi: fnic: Replace shost_printk with dev_info/dev_err

From: Karan Tilak Kumar
Date: Wed Oct 02 2024 - 14:25:03 EST

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Sending host information to shost_printk
prior to host initialization in fnic is unnecessary.
Replace shost_printk and a printk prior to this
initialization with dev_info and dev_err accordingly.

Reviewed-by: Sesidhar Baddela <sebaddel@xxxxxxxxx>
Reviewed-by: Arulprabhu Ponnusamy <arulponn@xxxxxxxxx>
Reviewed-by: Gian Carlo Boffa <gcboffa@xxxxxxxxx>
Signed-off-by: Karan Tilak Kumar <kartilak@xxxxxxxxx>
---
Changes between v1 and v2:
Incorporate review comments from Hannes:
Replace pr_info with dev_info.
Replace pr_err with dev_err.
Modify patch heading and description appropriately.
---
drivers/scsi/fnic/fnic_main.c | 84 ++++++++++++-----------------------
drivers/scsi/fnic/fnic_res.c | 69 ++++++++++------------------
2 files changed, 51 insertions(+), 102 deletions(-)

diff --git a/drivers/scsi/fnic/fnic_main.c b/drivers/scsi/fnic/fnic_main.c
index 0044717d4486..1633f7e6af1e 100644
--- a/drivers/scsi/fnic/fnic_main.c
+++ b/drivers/scsi/fnic/fnic_main.c
@@ -344,25 +344,19 @@ void fnic_log_q_error(struct fnic *fnic)
for (i = 0; i < fnic->raw_wq_count; i++) {
error_status = ioread32(&fnic->wq[i].ctrl->error_status);
if (error_status)
- shost_printk(KERN_ERR, fnic->lport->host,
- "WQ[%d] error_status"
- " %d\n", i, error_status);
+ dev_err(&fnic->pdev->dev, "WQ[%d] error_status %d\n", i, error_status);
}

for (i = 0; i < fnic->rq_count; i++) {
error_status = ioread32(&fnic->rq[i].ctrl->error_status);
if (error_status)
- shost_printk(KERN_ERR, fnic->lport->host,
- "RQ[%d] error_status"
- " %d\n", i, error_status);
+ dev_err(&fnic->pdev->dev, "RQ[%d] error_status %d\n", i, error_status);
}

for (i = 0; i < fnic->wq_copy_count; i++) {
error_status = ioread32(&fnic->hw_copy_wq[i].ctrl->error_status);
if (error_status)
- shost_printk(KERN_ERR, fnic->lport->host,
- "CWQ[%d] error_status"
- " %d\n", i, error_status);
+ dev_err(&fnic->pdev->dev, "CWQ[%d] error_status %d\n", i, error_status);
}
}

@@ -396,8 +390,7 @@ static int fnic_notify_set(struct fnic *fnic)
err = vnic_dev_notify_set(fnic->vdev, fnic->wq_copy_count + fnic->copy_wq_base);
break;
default:
- shost_printk(KERN_ERR, fnic->lport->host,
- "Interrupt mode should be set up"
+ dev_err(&fnic->pdev->dev, "Interrupt mode should be set up"
" before devcmd notify set %d\n",
vnic_dev_get_intr_mode(fnic->vdev));
err = -1;
@@ -567,12 +560,10 @@ static int fnic_scsi_drv_init(struct fnic *fnic)

host->nr_hw_queues = fnic->wq_copy_count;

- shost_printk(KERN_INFO, host,
- "fnic: can_queue: %d max_lun: %llu",
+ dev_info(&fnic->pdev->dev, "fnic: can_queue: %d max_lun: %llu",
host->can_queue, host->max_lun);

- shost_printk(KERN_INFO, host,
- "fnic: max_id: %d max_cmd_len: %d nr_hw_queues: %d",
+ dev_info(&fnic->pdev->dev, "fnic: max_id: %d max_cmd_len: %d nr_hw_queues: %d",
host->max_id, host->max_cmd_len, host->nr_hw_queues);

return 0;
@@ -622,7 +613,7 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
*/
lp = libfc_host_alloc(&fnic_host_template, sizeof(struct fnic));
if (!lp) {
- printk(KERN_ERR PFX "Unable to alloc libfc local port\n");
+ dev_err(&pdev->dev, "Unable to alloc libfc local port\n");
err = -ENOMEM;
goto err_out;
}
@@ -632,7 +623,7 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)

fnic_id = ida_alloc(&fnic_ida, GFP_KERNEL);
if (fnic_id < 0) {
- pr_err("Unable to alloc fnic ID\n");
+ dev_err(&pdev->dev, "Unable to alloc fnic ID\n");
err = fnic_id;
goto err_out_ida_alloc;
}
@@ -650,15 +641,13 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)

err = pci_enable_device(pdev);
if (err) {
- shost_printk(KERN_ERR, fnic->lport->host,
- "Cannot enable PCI device, aborting.\n");
+ dev_err(&fnic->pdev->dev, "Cannot enable PCI device, aborting.\n");
goto err_out_free_hba;
}

err = pci_request_regions(pdev, DRV_NAME);
if (err) {
- shost_printk(KERN_ERR, fnic->lport->host,
- "Cannot enable PCI resources, aborting\n");
+ dev_err(&fnic->pdev->dev, "Cannot enable PCI resources, aborting\n");
goto err_out_disable_device;
}

@@ -672,8 +661,7 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (err) {
err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
if (err) {
- shost_printk(KERN_ERR, fnic->lport->host,
- "No usable DMA configuration "
+ dev_err(&fnic->pdev->dev, "No usable DMA configuration "
"aborting\n");
goto err_out_release_regions;
}
@@ -681,8 +669,7 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)

/* Map vNIC resources from BAR0 */
if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
- shost_printk(KERN_ERR, fnic->lport->host,
- "BAR0 not memory-map'able, aborting.\n");
+ dev_err(&fnic->pdev->dev, "BAR0 not memory-map'able, aborting.\n");
err = -ENODEV;
goto err_out_release_regions;
}
@@ -692,8 +679,7 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
fnic->bar0.len = pci_resource_len(pdev, 0);

if (!fnic->bar0.vaddr) {
- shost_printk(KERN_ERR, fnic->lport->host,
- "Cannot memory-map BAR0 res hdr, "
+ dev_err(&fnic->pdev->dev, "Cannot memory-map BAR0 res hdr, "
"aborting.\n");
err = -ENODEV;
goto err_out_release_regions;
@@ -701,8 +687,7 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)

fnic->vdev = vnic_dev_register(NULL, fnic, pdev, &fnic->bar0);
if (!fnic->vdev) {
- shost_printk(KERN_ERR, fnic->lport->host,
- "vNIC registration failed, "
+ dev_err(&fnic->pdev->dev, "vNIC registration failed, "
"aborting.\n");
err = -ENODEV;
goto err_out_iounmap;
@@ -710,8 +695,7 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)

err = vnic_dev_cmd_init(fnic->vdev);
if (err) {
- shost_printk(KERN_ERR, fnic->lport->host,
- "vnic_dev_cmd_init() returns %d, aborting\n",
+ dev_err(&fnic->pdev->dev, "vnic_dev_cmd_init() returns %d, aborting\n",
err);
goto err_out_vnic_unregister;
}
@@ -719,22 +703,19 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
err = fnic_dev_wait(fnic->vdev, vnic_dev_open,
vnic_dev_open_done, CMD_OPENF_RQ_ENABLE_THEN_POST);
if (err) {
- shost_printk(KERN_ERR, fnic->lport->host,
- "vNIC dev open failed, aborting.\n");
+ dev_err(&fnic->pdev->dev, "vNIC dev open failed, aborting.\n");
goto err_out_dev_cmd_deinit;
}

err = vnic_dev_init(fnic->vdev, 0);
if (err) {
- shost_printk(KERN_ERR, fnic->lport->host,
- "vNIC dev init failed, aborting.\n");
+ dev_err(&fnic->pdev->dev, "vNIC dev init failed, aborting.\n");
goto err_out_dev_close;
}

err = vnic_dev_mac_addr(fnic->vdev, fnic->ctlr.ctl_src_addr);
if (err) {
- shost_printk(KERN_ERR, fnic->lport->host,
- "vNIC get MAC addr failed \n");
+ dev_err(&fnic->pdev->dev, "vNIC get MAC addr failed\n");
goto err_out_dev_close;
}
/* set data_src for point-to-point mode and to keep it non-zero */
@@ -743,8 +724,7 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
/* Get vNIC configuration */
err = fnic_get_vnic_config(fnic);
if (err) {
- shost_printk(KERN_ERR, fnic->lport->host,
- "Get vNIC configuration failed, "
+ dev_err(&fnic->pdev->dev, "Get vNIC configuration failed, "
"aborting.\n");
goto err_out_dev_close;
}
@@ -756,16 +736,14 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)

err = fnic_set_intr_mode(fnic);
if (err) {
- shost_printk(KERN_ERR, fnic->lport->host,
- "Failed to set intr mode, "
+ dev_err(&fnic->pdev->dev, "Failed to set intr mode, "
"aborting.\n");
goto err_out_dev_close;
}

err = fnic_alloc_vnic_resources(fnic);
if (err) {
- shost_printk(KERN_ERR, fnic->lport->host,
- "Failed to alloc vNIC resources, "
+ dev_err(&fnic->pdev->dev, "Failed to alloc vNIC resources, "
"aborting.\n");
goto err_out_clear_intr;
}
@@ -778,7 +756,7 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
kzalloc((fnic->sw_copy_wq[hwq].ioreq_table_size + 1) *
sizeof(struct fnic_io_req *), GFP_KERNEL);
}
- shost_printk(KERN_INFO, fnic->lport->host, "fnic copy wqs: %d, Q0 ioreq table size: %d\n",
+ dev_info(&fnic->pdev->dev, "fnic copy wqs: %d, Q0 ioreq table size: %d\n",
fnic->wq_copy_count, fnic->sw_copy_wq[0].ioreq_table_size);

/* initialize all fnic locks */
@@ -818,8 +796,7 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
fnic->ctlr.update_mac = fnic_update_mac;
fnic->ctlr.get_src_addr = fnic_get_mac;
if (fnic->config.flags & VFCF_FIP_CAPABLE) {
- shost_printk(KERN_INFO, fnic->lport->host,
- "firmware supports FIP\n");
+ dev_info(&fnic->pdev->dev, "firmware supports FIP\n");
/* enable directed and multicast */
vnic_dev_packet_filter(fnic->vdev, 1, 1, 0, 0, 0);
vnic_dev_add_addr(fnic->vdev, FIP_ALL_ENODE_MACS);
@@ -835,8 +812,7 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
INIT_LIST_HEAD(&fnic->evlist);
INIT_LIST_HEAD(&fnic->vlans);
} else {
- shost_printk(KERN_INFO, fnic->lport->host,
- "firmware uses non-FIP mode\n");
+ dev_info(&fnic->pdev->dev, "firmware uses non-FIP mode\n");
fcoe_ctlr_init(&fnic->ctlr, FIP_MODE_NON_FIP);
fnic->ctlr.state = FIP_ST_NON_FIP;
}
@@ -851,8 +827,7 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
/* Setup notification buffer area */
err = fnic_notify_set(fnic);
if (err) {
- shost_printk(KERN_ERR, fnic->lport->host,
- "Failed to alloc notify buffer, aborting.\n");
+ dev_err(&fnic->pdev->dev, "Failed to alloc notify buffer, aborting.\n");
goto err_out_free_max_pool;
}

@@ -864,8 +839,7 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
for (i = 0; i < fnic->rq_count; i++) {
err = vnic_rq_fill(&fnic->rq[i], fnic_alloc_rq_frame);
if (err) {
- shost_printk(KERN_ERR, fnic->lport->host,
- "fnic_alloc_rq_frame can't alloc "
+ dev_err(&fnic->pdev->dev, "fnic_alloc_rq_frame can't alloc "
"frame\n");
goto err_out_rq_buf;
}
@@ -883,8 +857,7 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)

err = fnic_request_intr(fnic);
if (err) {
- shost_printk(KERN_ERR, fnic->lport->host,
- "Unable to request irq.\n");
+ dev_err(&fnic->pdev->dev, "Unable to request irq.\n");
goto err_out_request_intr;
}

@@ -894,8 +867,7 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
*/
err = scsi_add_host(lp->host, &pdev->dev);
if (err) {
- shost_printk(KERN_ERR, fnic->lport->host,
- "fnic: scsi_add_host failed...exiting\n");
+ dev_err(&fnic->pdev->dev, "fnic: scsi_add_host failed...exiting\n");
goto err_out_scsi_add_host;
}

diff --git a/drivers/scsi/fnic/fnic_res.c b/drivers/scsi/fnic/fnic_res.c
index 33dd27f6f24e..dd24e25574db 100644
--- a/drivers/scsi/fnic/fnic_res.c
+++ b/drivers/scsi/fnic/fnic_res.c
@@ -30,9 +30,7 @@ int fnic_get_vnic_config(struct fnic *fnic)
offsetof(struct vnic_fc_config, m), \
sizeof(c->m), &c->m); \
if (err) { \
- shost_printk(KERN_ERR, fnic->lport->host, \
- "Error getting %s, %d\n", #m, \
- err); \
+ dev_err(&fnic->pdev->dev, "Error getting %s, %d\n", #m, err); \
return err; \
} \
} while (0);
@@ -139,40 +137,29 @@ int fnic_get_vnic_config(struct fnic *fnic)

c->wq_copy_count = min_t(u16, FNIC_WQ_COPY_MAX, c->wq_copy_count);

- shost_printk(KERN_INFO, fnic->lport->host,
- "vNIC MAC addr %pM "
+ dev_info(&fnic->pdev->dev, "vNIC MAC addr %pM "
"wq/wq_copy/rq %d/%d/%d\n",
fnic->ctlr.ctl_src_addr,
c->wq_enet_desc_count, c->wq_copy_desc_count,
c->rq_desc_count);
- shost_printk(KERN_INFO, fnic->lport->host,
- "vNIC node wwn %llx port wwn %llx\n",
+ dev_info(&fnic->pdev->dev, "vNIC node wwn %llx port wwn %llx\n",
c->node_wwn, c->port_wwn);
- shost_printk(KERN_INFO, fnic->lport->host,
- "vNIC ed_tov %d ra_tov %d\n",
+ dev_info(&fnic->pdev->dev, "vNIC ed_tov %d ra_tov %d\n",
c->ed_tov, c->ra_tov);
- shost_printk(KERN_INFO, fnic->lport->host,
- "vNIC mtu %d intr timer %d\n",
+ dev_info(&fnic->pdev->dev, "vNIC mtu %d intr timer %d\n",
c->maxdatafieldsize, c->intr_timer);
- shost_printk(KERN_INFO, fnic->lport->host,
- "vNIC flags 0x%x luns per tgt %d\n",
+ dev_info(&fnic->pdev->dev, "vNIC flags 0x%x luns per tgt %d\n",
c->flags, c->luns_per_tgt);
- shost_printk(KERN_INFO, fnic->lport->host,
- "vNIC flogi_retries %d flogi timeout %d\n",
+ dev_info(&fnic->pdev->dev, "vNIC flogi_retries %d flogi timeout %d\n",
c->flogi_retries, c->flogi_timeout);
- shost_printk(KERN_INFO, fnic->lport->host,
- "vNIC plogi retries %d plogi timeout %d\n",
+ dev_info(&fnic->pdev->dev, "vNIC plogi retries %d plogi timeout %d\n",
c->plogi_retries, c->plogi_timeout);
- shost_printk(KERN_INFO, fnic->lport->host,
- "vNIC io throttle count %d link dn timeout %d\n",
+ dev_info(&fnic->pdev->dev, "vNIC io throttle count %d link dn timeout %d\n",
c->io_throttle_count, c->link_down_timeout);
- shost_printk(KERN_INFO, fnic->lport->host,
- "vNIC port dn io retries %d port dn timeout %d\n",
+ dev_info(&fnic->pdev->dev, "vNIC port dn io retries %d port dn timeout %d\n",
c->port_down_io_retries, c->port_down_timeout);
- shost_printk(KERN_INFO, fnic->lport->host,
- "vNIC wq_copy_count: %d\n", c->wq_copy_count);
- shost_printk(KERN_INFO, fnic->lport->host,
- "vNIC intr mode: %d\n", c->intr_mode);
+ dev_info(&fnic->pdev->dev, "vNIC wq_copy_count: %d\n", c->wq_copy_count);
+ dev_info(&fnic->pdev->dev, "vNIC intr mode: %d\n", c->intr_mode);

return 0;
}
@@ -206,18 +193,12 @@ void fnic_get_res_counts(struct fnic *fnic)
fnic->intr_count = vnic_dev_get_res_count(fnic->vdev,
RES_TYPE_INTR_CTRL);

- shost_printk(KERN_INFO, fnic->lport->host,
- "vNIC fw resources wq_count: %d\n", fnic->wq_count);
- shost_printk(KERN_INFO, fnic->lport->host,
- "vNIC fw resources raw_wq_count: %d\n", fnic->raw_wq_count);
- shost_printk(KERN_INFO, fnic->lport->host,
- "vNIC fw resources wq_copy_count: %d\n", fnic->wq_copy_count);
- shost_printk(KERN_INFO, fnic->lport->host,
- "vNIC fw resources rq_count: %d\n", fnic->rq_count);
- shost_printk(KERN_INFO, fnic->lport->host,
- "vNIC fw resources cq_count: %d\n", fnic->cq_count);
- shost_printk(KERN_INFO, fnic->lport->host,
- "vNIC fw resources intr_count: %d\n", fnic->intr_count);
+ dev_info(&fnic->pdev->dev, "vNIC fw resources wq_count: %d\n", fnic->wq_count);
+ dev_info(&fnic->pdev->dev, "vNIC fw resources raw_wq_count: %d\n", fnic->raw_wq_count);
+ dev_info(&fnic->pdev->dev, "vNIC fw resources wq_copy_count: %d\n", fnic->wq_copy_count);
+ dev_info(&fnic->pdev->dev, "vNIC fw resources rq_count: %d\n", fnic->rq_count);
+ dev_info(&fnic->pdev->dev, "vNIC fw resources cq_count: %d\n", fnic->cq_count);
+ dev_info(&fnic->pdev->dev, "vNIC fw resources intr_count: %d\n", fnic->intr_count);
}

void fnic_free_vnic_resources(struct fnic *fnic)
@@ -253,19 +234,17 @@ int fnic_alloc_vnic_resources(struct fnic *fnic)

intr_mode = vnic_dev_get_intr_mode(fnic->vdev);

- shost_printk(KERN_INFO, fnic->lport->host, "vNIC interrupt mode: %s\n",
+ dev_info(&fnic->pdev->dev, "vNIC interrupt mode: %s\n",
intr_mode == VNIC_DEV_INTR_MODE_INTX ? "legacy PCI INTx" :
intr_mode == VNIC_DEV_INTR_MODE_MSI ? "MSI" :
intr_mode == VNIC_DEV_INTR_MODE_MSIX ?
"MSI-X" : "unknown");

- shost_printk(KERN_INFO, fnic->lport->host,
- "vNIC resources avail: wq %d cp_wq %d raw_wq %d rq %d",
+ dev_info(&fnic->pdev->dev, "res avail: wq %d cp_wq %d raw_wq %d rq %d",
fnic->wq_count, fnic->wq_copy_count,
fnic->raw_wq_count, fnic->rq_count);

- shost_printk(KERN_INFO, fnic->lport->host,
- "vNIC resources avail: cq %d intr %d cpy-wq desc count %d\n",
+ dev_info(&fnic->pdev->dev, "res avail: cq %d intr %d cpy-wq desc count %d\n",
fnic->cq_count, fnic->intr_count,
fnic->config.wq_copy_desc_count);

@@ -340,8 +319,7 @@ int fnic_alloc_vnic_resources(struct fnic *fnic)
RES_TYPE_INTR_PBA_LEGACY, 0);

if (!fnic->legacy_pba && intr_mode == VNIC_DEV_INTR_MODE_INTX) {
- shost_printk(KERN_ERR, fnic->lport->host,
- "Failed to hook legacy pba resource\n");
+ dev_err(&fnic->pdev->dev, "Failed to hook legacy pba resource\n");
err = -ENODEV;
goto err_out_cleanup;
}
@@ -444,8 +422,7 @@ int fnic_alloc_vnic_resources(struct fnic *fnic)
/* init the stats memory by making the first call here */
err = vnic_dev_stats_dump(fnic->vdev, &fnic->stats);
if (err) {
- shost_printk(KERN_ERR, fnic->lport->host,
- "vnic_dev_stats_dump failed - x%x\n", err);
+ dev_err(&fnic->pdev->dev, "vnic_dev_stats_dump failed - x%x\n", err);
goto err_out_cleanup;
}

--
2.31.1

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