vfio: Use dev_printk() when possible

Use dev_printk() when possible to make messages consistent with other
device-related messages.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>

6 files changed, 49 insertions, 52 deletions

diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
index 3fa20e95a6bb..cab71da46f4a 100644
--- a/drivers/vfio/pci/vfio_pci.c
+++ b/drivers/vfio/pci/vfio_pci.c
@@ -12,6 +12,7 @@
  */
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+#define dev_fmt pr_fmt
 
 #include <linux/device.h>
 #include <linux/eventfd.h>
@@ -287,12 +288,11 @@ static int vfio_pci_enable(struct vfio_pci_device *vdev)
         pci_save_state(pdev);
         vdev->pci_saved_state = pci_store_saved_state(pdev);
         if (!vdev->pci_saved_state)
-                pr_debug("%s: Couldn't store %s saved state\n",
-                         __func__, dev_name(&pdev->dev));
+                pci_dbg(pdev, "%s: Couldn't store saved state\n", __func__);
 
         if (likely(!nointxmask)) {
                 if (vfio_pci_nointx(pdev)) {
-                        dev_info(&pdev->dev, "Masking broken INTx support\n");
+                        pci_info(pdev, "Masking broken INTx support\n");
                         vdev->nointx = true;
                         pci_intx(pdev, 0);
                 } else
@@ -336,8 +336,7 @@ static int vfio_pci_enable(struct vfio_pci_device *vdev)
             IS_ENABLED(CONFIG_VFIO_PCI_IGD)) {
                 ret = vfio_pci_igd_init(vdev);
                 if (ret) {
-                        dev_warn(&vdev->pdev->dev,
-                                 "Failed to setup Intel IGD regions\n");
+                        pci_warn(pdev, "Failed to setup Intel IGD regions\n");
                         goto disable_exit;
                 }
         }
@@ -346,8 +345,7 @@ static int vfio_pci_enable(struct vfio_pci_device *vdev)
             IS_ENABLED(CONFIG_VFIO_PCI_NVLINK2)) {
                 ret = vfio_pci_nvdia_v100_nvlink2_init(vdev);
                 if (ret && ret != -ENODEV) {
-                        dev_warn(&vdev->pdev->dev,
-                                 "Failed to setup NVIDIA NV2 RAM region\n");
+                        pci_warn(pdev, "Failed to setup NVIDIA NV2 RAM region\n");
                         goto disable_exit;
                 }
         }
@@ -356,8 +354,7 @@ static int vfio_pci_enable(struct vfio_pci_device *vdev)
             IS_ENABLED(CONFIG_VFIO_PCI_NVLINK2)) {
                 ret = vfio_pci_ibm_npu2_init(vdev);
                 if (ret && ret != -ENODEV) {
-                        dev_warn(&vdev->pdev->dev,
-                                        "Failed to setup NVIDIA NV2 ATSD region\n");
+                        pci_warn(pdev, "Failed to setup NVIDIA NV2 ATSD region\n");
                         goto disable_exit;
                 }
         }
@@ -429,8 +426,7 @@ static void vfio_pci_disable(struct vfio_pci_device *vdev)
          * is just busy work.
          */
         if (pci_load_and_free_saved_state(pdev, &vdev->pci_saved_state)) {
-                pr_info("%s: Couldn't reload %s saved state\n",
-                        __func__, dev_name(&pdev->dev));
+                pci_info(pdev, "%s: Couldn't reload saved state\n", __func__);
 
                 if (!vdev->reset_works)
                         goto out;
@@ -1255,17 +1251,18 @@ static int vfio_pci_mmap(void *device_data, struct vm_area_struct *vma)
 static void vfio_pci_request(void *device_data, unsigned int count)
 {
         struct vfio_pci_device *vdev = device_data;
+        struct pci_dev *pdev = vdev->pdev;
 
         mutex_lock(&vdev->igate);
 
         if (vdev->req_trigger) {
                 if (!(count % 10))
-                        dev_notice_ratelimited(&vdev->pdev->dev,
+                        pci_notice_ratelimited(pdev,
                                 "Relaying device request to user (#%u)\n",
                                 count);
                 eventfd_signal(vdev->req_trigger, 1);
         } else if (count == 0) {
-                dev_warn(&vdev->pdev->dev,
+                pci_warn(pdev,
                         "No device request channel registered, blocked until released by user\n");
         }
 
diff --git a/drivers/vfio/pci/vfio_pci_config.c b/drivers/vfio/pci/vfio_pci_config.c
index e82b51114687..52963a904790 100644
--- a/drivers/vfio/pci/vfio_pci_config.c
+++ b/drivers/vfio/pci/vfio_pci_config.c
@@ -412,8 +412,7 @@ static void vfio_bar_restore(struct vfio_pci_device *vdev)
         if (pdev->is_virtfn)
                 return;
 
-        pr_info("%s: %s reset recovery - restoring bars\n",
-                __func__, dev_name(&pdev->dev));
+        pci_info(pdev, "%s: reset recovery - restoring BARs\n", __func__);
 
         for (i = PCI_BASE_ADDRESS_0; i <= PCI_BASE_ADDRESS_5; i += 4, rbar++)
                 pci_user_write_config_dword(pdev, i, *rbar);
@@ -1298,8 +1297,8 @@ static int vfio_cap_len(struct vfio_pci_device *vdev, u8 cap, u8 pos)
                 else
                         return PCI_SATA_SIZEOF_SHORT;
         default:
-                pr_warn("%s: %s unknown length for pci cap 0x%x@0x%x\n",
-                        dev_name(&pdev->dev), __func__, cap, pos);
+                pci_warn(pdev, "%s: unknown length for PCI cap %#x@%#x\n",
+                         __func__, cap, pos);
         }
 
         return 0;
@@ -1372,8 +1371,8 @@ static int vfio_ext_cap_len(struct vfio_pci_device *vdev, u16 ecap, u16 epos)
                 }
                 return PCI_TPH_BASE_SIZEOF;
         default:
-                pr_warn("%s: %s unknown length for pci ecap 0x%x@0x%x\n",
-                        dev_name(&pdev->dev), __func__, ecap, epos);
+                pci_warn(pdev, "%s: unknown length for PCI ecap %#x@%#x\n",
+                         __func__, ecap, epos);
         }
 
         return 0;
@@ -1474,8 +1473,8 @@ static int vfio_cap_init(struct vfio_pci_device *vdev)
                 }
 
                 if (!len) {
-                        pr_info("%s: %s hiding cap 0x%x\n",
-                                __func__, dev_name(&pdev->dev), cap);
+                        pci_info(pdev, "%s: hiding cap %#x@%#x\n", __func__,
+                                 cap, pos);
                         *prev = next;
                         pos = next;
                         continue;
@@ -1486,9 +1485,8 @@ static int vfio_cap_init(struct vfio_pci_device *vdev)
                         if (likely(map[pos + i] == PCI_CAP_ID_INVALID))
                                 continue;
 
-                        pr_warn("%s: %s pci config conflict @0x%x, was cap 0x%x now cap 0x%x\n",
-                                __func__, dev_name(&pdev->dev),
-                                pos + i, map[pos + i], cap);
+                        pci_warn(pdev, "%s: PCI config conflict @%#x, was cap %#x now cap %#x\n",
+                                 __func__, pos + i, map[pos + i], cap);
                 }
 
                 BUILD_BUG_ON(PCI_CAP_ID_MAX >= PCI_CAP_ID_INVALID_VIRT);
@@ -1549,8 +1547,8 @@ static int vfio_ecap_init(struct vfio_pci_device *vdev)
                 }
 
                 if (!len) {
-                        pr_info("%s: %s hiding ecap 0x%x@0x%x\n",
-                                __func__, dev_name(&pdev->dev), ecap, epos);
+                        pci_info(pdev, "%s: hiding ecap %#x@%#x\n",
+                                 __func__, ecap, epos);
 
                         /* If not the first in the chain, we can skip over it */
                         if (prev) {
@@ -1572,9 +1570,8 @@ static int vfio_ecap_init(struct vfio_pci_device *vdev)
                         if (likely(map[epos + i] == PCI_CAP_ID_INVALID))
                                 continue;
 
-                        pr_warn("%s: %s pci config conflict @0x%x, was ecap 0x%x now ecap 0x%x\n",
-                                __func__, dev_name(&pdev->dev),
-                                epos + i, map[epos + i], ecap);
+                        pci_warn(pdev, "%s: PCI config conflict @%#x, was ecap %#x now ecap %#x\n",
+                                 __func__, epos + i, map[epos + i], ecap);
                 }
 
                 /*
diff --git a/drivers/vfio/platform/reset/vfio_platform_amdxgbe.c b/drivers/vfio/platform/reset/vfio_platform_amdxgbe.c
index 3ddb2704221d..fe95964bc3be 100644
--- a/drivers/vfio/platform/reset/vfio_platform_amdxgbe.c
+++ b/drivers/vfio/platform/reset/vfio_platform_amdxgbe.c
@@ -89,7 +89,8 @@ static int vfio_platform_amdxgbe_reset(struct vfio_platform_device *vdev)
         } while ((pcs_value & MDIO_CTRL1_RESET) && --count);
 
         if (pcs_value & MDIO_CTRL1_RESET)
-                pr_warn("%s XGBE PHY reset timeout\n", __func__);
+                dev_warn(vdev->device, "%s: XGBE PHY reset timeout\n",
+                         __func__);
 
         /* disable auto-negotiation */
         value = xmdio_read(xpcs_regs->ioaddr, MDIO_MMD_AN, MDIO_CTRL1);
@@ -114,7 +115,7 @@ static int vfio_platform_amdxgbe_reset(struct vfio_platform_device *vdev)
                 usleep_range(500, 600);
 
         if (!count)
-                pr_warn("%s MAC SW reset failed\n", __func__);
+                dev_warn(vdev->device, "%s: MAC SW reset failed\n", __func__);
 
         return 0;
 }
diff --git a/drivers/vfio/platform/vfio_platform_common.c b/drivers/vfio/platform/vfio_platform_common.c
index c0cd824be2b7..2a45b36bcf58 100644
--- a/drivers/vfio/platform/vfio_platform_common.c
+++ b/drivers/vfio/platform/vfio_platform_common.c
@@ -12,6 +12,8 @@
  * GNU General Public License for more details.
  */
 
+#define dev_fmt(fmt)    "VFIO: " fmt
+
 #include <linux/device.h>
 #include <linux/acpi.h>
 #include <linux/iommu.h>
@@ -63,7 +65,7 @@ static int vfio_platform_acpi_probe(struct vfio_platform_device *vdev,
 
         adev = ACPI_COMPANION(dev);
         if (!adev) {
-                pr_err("VFIO: ACPI companion device not found for %s\n",
+                dev_err(dev, "ACPI companion device not found for %s\n",
                         vdev->name);
                 return -ENODEV;
         }
@@ -638,7 +640,7 @@ static int vfio_platform_of_probe(struct vfio_platform_device *vdev,
         ret = device_property_read_string(dev, "compatible",
                                           &vdev->compat);
         if (ret)
-                pr_err("VFIO: Cannot retrieve compat for %s\n", vdev->name);
+                dev_err(dev, "Cannot retrieve compat for %s\n", vdev->name);
 
         return ret;
 }
@@ -680,14 +682,14 @@ int vfio_platform_probe_common(struct vfio_platform_device *vdev,
 
         ret = vfio_platform_get_reset(vdev);
         if (ret && vdev->reset_required) {
-                pr_err("VFIO: No reset function found for device %s\n",
-                       vdev->name);
+                dev_err(dev, "No reset function found for device %s\n",
+                        vdev->name);
                 return ret;
         }
 
         group = vfio_iommu_group_get(dev);
         if (!group) {
-                pr_err("VFIO: No IOMMU group for device %s\n", vdev->name);
+                dev_err(dev, "No IOMMU group for device %s\n", vdev->name);
                 ret = -EINVAL;
                 goto put_reset;
         }
diff --git a/drivers/vfio/vfio.c b/drivers/vfio/vfio.c
index a3030cdf3c18..7fb68968097a 100644
--- a/drivers/vfio/vfio.c
+++ b/drivers/vfio/vfio.c
@@ -704,8 +704,8 @@ static int vfio_group_nb_add_dev(struct vfio_group *group, struct device *dev)
                 return 0;
 
         /* TODO Prevent device auto probing */
-        WARN(1, "Device %s added to live group %d!\n", dev_name(dev),
-             iommu_group_id(group->iommu_group));
+        dev_WARN(dev, "Device added to live group %d!\n",
+                 iommu_group_id(group->iommu_group));
 
         return 0;
 }
@@ -748,25 +748,22 @@ static int vfio_iommu_group_notifier(struct notifier_block *nb,
                  */
                 break;
         case IOMMU_GROUP_NOTIFY_BIND_DRIVER:
-                pr_debug("%s: Device %s, group %d binding to driver\n",
-                         __func__, dev_name(dev),
-                         iommu_group_id(group->iommu_group));
+                dev_dbg(dev, "%s: group %d binding to driver\n", __func__,
+                        iommu_group_id(group->iommu_group));
                 break;
         case IOMMU_GROUP_NOTIFY_BOUND_DRIVER:
-                pr_debug("%s: Device %s, group %d bound to driver %s\n",
-                         __func__, dev_name(dev),
-                         iommu_group_id(group->iommu_group), dev->driver->name);
+                dev_dbg(dev, "%s: group %d bound to driver %s\n", __func__,
+                        iommu_group_id(group->iommu_group), dev->driver->name);
                 BUG_ON(vfio_group_nb_verify(group, dev));
                 break;
         case IOMMU_GROUP_NOTIFY_UNBIND_DRIVER:
-                pr_debug("%s: Device %s, group %d unbinding from driver %s\n",
-                         __func__, dev_name(dev),
-                         iommu_group_id(group->iommu_group), dev->driver->name);
+                dev_dbg(dev, "%s: group %d unbinding from driver %s\n",
+                        __func__, iommu_group_id(group->iommu_group),
+                        dev->driver->name);
                 break;
         case IOMMU_GROUP_NOTIFY_UNBOUND_DRIVER:
-                pr_debug("%s: Device %s, group %d unbound from driver\n",
-                         __func__, dev_name(dev),
-                         iommu_group_id(group->iommu_group));
+                dev_dbg(dev, "%s: group %d unbound from driver\n", __func__,
+                        iommu_group_id(group->iommu_group));
                 /*
                  * XXX An unbound device in a live group is ok, but we'd
                  * really like to avoid the above BUG_ON by preventing other
@@ -830,8 +827,8 @@ int vfio_add_group_dev(struct device *dev,
 
         device = vfio_group_get_device(group, dev);
         if (device) {
-                WARN(1, "Device %s already exists on group %d\n",
-                     dev_name(dev), iommu_group_id(iommu_group));
+                dev_WARN(dev, "Device already exists on group %d\n",
+                         iommu_group_id(iommu_group));
                 vfio_device_put(device);
                 vfio_group_put(group);
                 return -EBUSY;
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 77448215ef5b..27854731afc4 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -2363,4 +2363,7 @@ void pci_uevent_ers(struct pci_dev *pdev, enum  pci_ers_result err_type);
 #define pci_info(pdev, fmt, arg...)     dev_info(&(pdev)->dev, fmt, ##arg)
 #define pci_dbg(pdev, fmt, arg...)      dev_dbg(&(pdev)->dev, fmt, ##arg)
 
+#define pci_notice_ratelimited(pdev, fmt, arg...) \
+        dev_notice_ratelimited(&(pdev)->dev, fmt, ##arg)
+
 #endif /* LINUX_PCI_H */