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Message-ID: <20251112192232.442761-9-dmatlack@google.com>
Date: Wed, 12 Nov 2025 19:22:22 +0000
From: David Matlack <dmatlack@...gle.com>
To: Alex Williamson <alex.williamson@...hat.com>
Cc: Alex Mastro <amastro@...com>, Alex Williamson <alex@...zbot.org>,
David Matlack <dmatlack@...gle.com>, Jason Gunthorpe <jgg@...dia.com>, Josh Hilke <jrhilke@...gle.com>,
kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-kselftest@...r.kernel.org, Raghavendra Rao Ananta <rananta@...gle.com>,
Vipin Sharma <vipinsh@...gle.com>
Subject: [PATCH v2 08/18] vfio: selftests: Prefix logs with device BDF where relevant
Prefix log messages with the device's BDF where relevant. This will help
understanding VFIO selftests logs when tests are run with multiple
devices.
Signed-off-by: David Matlack <dmatlack@...gle.com>
---
.../selftests/vfio/lib/drivers/dsa/dsa.c | 34 +++++++++----------
.../selftests/vfio/lib/drivers/ioat/ioat.c | 16 ++++-----
.../selftests/vfio/lib/include/vfio_util.h | 4 +++
.../selftests/vfio/lib/vfio_pci_device.c | 1 +
4 files changed, 30 insertions(+), 25 deletions(-)
diff --git a/tools/testing/selftests/vfio/lib/drivers/dsa/dsa.c b/tools/testing/selftests/vfio/lib/drivers/dsa/dsa.c
index 0ca2cbc2a316..8d667be80229 100644
--- a/tools/testing/selftests/vfio/lib/drivers/dsa/dsa.c
+++ b/tools/testing/selftests/vfio/lib/drivers/dsa/dsa.c
@@ -70,7 +70,7 @@ static int dsa_probe(struct vfio_pci_device *device)
return -EINVAL;
if (dsa_int_handle_request_required(device)) {
- printf("Device requires requesting interrupt handles\n");
+ dev_info(device, "Device requires requesting interrupt handles\n");
return -EINVAL;
}
@@ -91,23 +91,23 @@ static void dsa_check_sw_err(struct vfio_pci_device *device)
return;
}
- fprintf(stderr, "SWERR: 0x%016lx 0x%016lx 0x%016lx 0x%016lx\n",
+ dev_err(device, "SWERR: 0x%016lx 0x%016lx 0x%016lx 0x%016lx\n",
err.bits[0], err.bits[1], err.bits[2], err.bits[3]);
- fprintf(stderr, " valid: 0x%x\n", err.valid);
- fprintf(stderr, " overflow: 0x%x\n", err.overflow);
- fprintf(stderr, " desc_valid: 0x%x\n", err.desc_valid);
- fprintf(stderr, " wq_idx_valid: 0x%x\n", err.wq_idx_valid);
- fprintf(stderr, " batch: 0x%x\n", err.batch);
- fprintf(stderr, " fault_rw: 0x%x\n", err.fault_rw);
- fprintf(stderr, " priv: 0x%x\n", err.priv);
- fprintf(stderr, " error: 0x%x\n", err.error);
- fprintf(stderr, " wq_idx: 0x%x\n", err.wq_idx);
- fprintf(stderr, " operation: 0x%x\n", err.operation);
- fprintf(stderr, " pasid: 0x%x\n", err.pasid);
- fprintf(stderr, " batch_idx: 0x%x\n", err.batch_idx);
- fprintf(stderr, " invalid_flags: 0x%x\n", err.invalid_flags);
- fprintf(stderr, " fault_addr: 0x%lx\n", err.fault_addr);
+ dev_err(device, " valid: 0x%x\n", err.valid);
+ dev_err(device, " overflow: 0x%x\n", err.overflow);
+ dev_err(device, " desc_valid: 0x%x\n", err.desc_valid);
+ dev_err(device, " wq_idx_valid: 0x%x\n", err.wq_idx_valid);
+ dev_err(device, " batch: 0x%x\n", err.batch);
+ dev_err(device, " fault_rw: 0x%x\n", err.fault_rw);
+ dev_err(device, " priv: 0x%x\n", err.priv);
+ dev_err(device, " error: 0x%x\n", err.error);
+ dev_err(device, " wq_idx: 0x%x\n", err.wq_idx);
+ dev_err(device, " operation: 0x%x\n", err.operation);
+ dev_err(device, " pasid: 0x%x\n", err.pasid);
+ dev_err(device, " batch_idx: 0x%x\n", err.batch_idx);
+ dev_err(device, " invalid_flags: 0x%x\n", err.invalid_flags);
+ dev_err(device, " fault_addr: 0x%lx\n", err.fault_addr);
VFIO_FAIL("Software Error Detected!\n");
}
@@ -256,7 +256,7 @@ static int dsa_completion_wait(struct vfio_pci_device *device,
if (status == DSA_COMP_SUCCESS)
return 0;
- printf("Error detected during memcpy operation: 0x%x\n", status);
+ dev_info(device, "Error detected during memcpy operation: 0x%x\n", status);
return -1;
}
diff --git a/tools/testing/selftests/vfio/lib/drivers/ioat/ioat.c b/tools/testing/selftests/vfio/lib/drivers/ioat/ioat.c
index c3b91d9b1f59..e04dce1d544c 100644
--- a/tools/testing/selftests/vfio/lib/drivers/ioat/ioat.c
+++ b/tools/testing/selftests/vfio/lib/drivers/ioat/ioat.c
@@ -51,7 +51,7 @@ static int ioat_probe(struct vfio_pci_device *device)
r = 0;
break;
default:
- printf("ioat: Unsupported version: 0x%x\n", version);
+ dev_info(device, "ioat: Unsupported version: 0x%x\n", version);
r = -EINVAL;
}
return r;
@@ -135,13 +135,13 @@ static void ioat_handle_error(struct vfio_pci_device *device)
{
void *registers = ioat_channel_registers(device);
- printf("Error detected during memcpy operation!\n"
- " CHANERR: 0x%x\n"
- " CHANERR_INT: 0x%x\n"
- " DMAUNCERRSTS: 0x%x\n",
- readl(registers + IOAT_CHANERR_OFFSET),
- vfio_pci_config_readl(device, IOAT_PCI_CHANERR_INT_OFFSET),
- vfio_pci_config_readl(device, IOAT_PCI_DMAUNCERRSTS_OFFSET));
+ dev_info(device, "Error detected during memcpy operation!\n"
+ " CHANERR: 0x%x\n"
+ " CHANERR_INT: 0x%x\n"
+ " DMAUNCERRSTS: 0x%x\n",
+ readl(registers + IOAT_CHANERR_OFFSET),
+ vfio_pci_config_readl(device, IOAT_PCI_CHANERR_INT_OFFSET),
+ vfio_pci_config_readl(device, IOAT_PCI_DMAUNCERRSTS_OFFSET));
ioat_reset(device);
}
diff --git a/tools/testing/selftests/vfio/lib/include/vfio_util.h b/tools/testing/selftests/vfio/lib/include/vfio_util.h
index 379942dc5357..babbf90688e8 100644
--- a/tools/testing/selftests/vfio/lib/include/vfio_util.h
+++ b/tools/testing/selftests/vfio/lib/include/vfio_util.h
@@ -50,6 +50,9 @@
VFIO_LOG_AND_EXIT(_fmt, ##__VA_ARGS__); \
} while (0)
+#define dev_info(_dev, _fmt, ...) printf("%s: " _fmt, (_dev)->bdf, ##__VA_ARGS__)
+#define dev_err(_dev, _fmt, ...) fprintf(stderr, "%s: " _fmt, (_dev)->bdf, ##__VA_ARGS__)
+
struct iommu_mode {
const char *name;
const char *container_path;
@@ -172,6 +175,7 @@ struct iommu {
};
struct vfio_pci_device {
+ const char *bdf;
int fd;
int group_fd;
diff --git a/tools/testing/selftests/vfio/lib/vfio_pci_device.c b/tools/testing/selftests/vfio/lib/vfio_pci_device.c
index 57bdd22573d4..f3aea724695d 100644
--- a/tools/testing/selftests/vfio/lib/vfio_pci_device.c
+++ b/tools/testing/selftests/vfio/lib/vfio_pci_device.c
@@ -841,6 +841,7 @@ struct vfio_pci_device *vfio_pci_device_init(const char *bdf, struct iommu *iomm
device = calloc(1, sizeof(*device));
VFIO_ASSERT_NOT_NULL(device);
+ device->bdf = bdf;
device->iommu = iommu;
if (device->iommu->mode->container_path)
--
2.52.0.rc1.455.g30608eb744-goog
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