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Date: Tue, 30 Jan 2018 19:04:27 -0600
From: Gary R Hook <gary.hook@....com>
To: iommu@...ts.linux-foundation.org
Cc: joro@...tes.org, linux-kernel@...r.kernel.org
Subject: [PATCH] iommu/amd - Use dev_err to send events to the system log
Remove printk and use a more preferable error logging function.
Signed-off-by: Gary R Hook <gary.hook@....com>
---
drivers/iommu/amd_iommu.c | 56 +++++++++++++++++++++++----------------------
1 file changed, 29 insertions(+), 27 deletions(-)
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index b58e0a745b7f..90a61f546bac 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -546,6 +546,8 @@ static void amd_iommu_report_page_fault(u16 devid, u16 domain_id,
static void iommu_print_event(struct amd_iommu *iommu, void *__evt)
{
+ struct pci_dev *pdev = iommu->dev;
+ struct device *dev = &pdev->dev;
int type, devid, domid, flags;
volatile u32 *event = __evt;
int count = 0;
@@ -572,53 +574,53 @@ static void iommu_print_event(struct amd_iommu *iommu, void *__evt)
amd_iommu_report_page_fault(devid, domid, address, flags);
return;
} else {
- printk(KERN_ERR "AMD-Vi: Event logged [");
+ dev_err(dev, "AMD-Vi: Event logged [");
}
switch (type) {
case EVENT_TYPE_ILL_DEV:
- printk("ILLEGAL_DEV_TABLE_ENTRY device=%02x:%02x.%x "
- "address=0x%016llx flags=0x%04x]\n",
- PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
- address, flags);
+ dev_err(dev, "ILLEGAL_DEV_TABLE_ENTRY device=%02x:%02x.%x "
+ "address=0x%016llx flags=0x%04x]\n",
+ PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
+ address, flags);
dump_dte_entry(devid);
break;
case EVENT_TYPE_DEV_TAB_ERR:
- printk("DEV_TAB_HARDWARE_ERROR device=%02x:%02x.%x "
- "address=0x%016llx flags=0x%04x]\n",
- PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
- address, flags);
+ dev_err(dev, "DEV_TAB_HARDWARE_ERROR device=%02x:%02x.%x "
+ "address=0x%016llx flags=0x%04x]\n",
+ PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
+ address, flags);
break;
case EVENT_TYPE_PAGE_TAB_ERR:
- printk("PAGE_TAB_HARDWARE_ERROR device=%02x:%02x.%x "
- "domain=0x%04x address=0x%016llx flags=0x%04x]\n",
- PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
- domid, address, flags);
+ dev_err(dev, "PAGE_TAB_HARDWARE_ERROR device=%02x:%02x.%x "
+ "domain=0x%04x address=0x%016llx flags=0x%04x]\n",
+ PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
+ domid, address, flags);
break;
case EVENT_TYPE_ILL_CMD:
- printk("ILLEGAL_COMMAND_ERROR address=0x%016llx]\n", address);
+ dev_err(dev, "ILLEGAL_COMMAND_ERROR address=0x%016llx]\n", address);
dump_command(address);
break;
case EVENT_TYPE_CMD_HARD_ERR:
- printk("COMMAND_HARDWARE_ERROR address=0x%016llx "
- "flags=0x%04x]\n", address, flags);
+ dev_err(dev, "COMMAND_HARDWARE_ERROR address=0x%016llx "
+ "flags=0x%04x]\n", address, flags);
break;
case EVENT_TYPE_IOTLB_INV_TO:
- printk("IOTLB_INV_TIMEOUT device=%02x:%02x.%x "
- "address=0x%016llx]\n",
- PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
- address);
+ dev_err(dev, "IOTLB_INV_TIMEOUT device=%02x:%02x.%x "
+ "address=0x%016llx]\n",
+ PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
+ address);
break;
case EVENT_TYPE_INV_DEV_REQ:
- printk("INVALID_DEVICE_REQUEST device=%02x:%02x.%x "
- "address=0x%016llx flags=0x%04x]\n",
- PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
- address, flags);
+ dev_err(dev, "INVALID_DEVICE_REQUEST device=%02x:%02x.%x "
+ "address=0x%016llx flags=0x%04x]\n",
+ PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
+ address, flags);
break;
default:
- printk(KERN_ERR "UNKNOWN type=0x%02x event[0]=0x%08x "
- "event[1]=0x%08x event[2]=0x%08x event[3]=0x%08x\n",
- type, event[0], event[1], event[2], event[3]);
+ dev_err(dev, KERN_ERR "UNKNOWN event[0]=0x%08x event[1]=0x%08x "
+ "event[2]=0x%08x event[3]=0x%08x\n",
+ event[0], event[1], event[2], event[3]);
}
memset(__evt, 0, 4 * sizeof(u32));
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