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Commit d64c0486 authored by Gary R Hook's avatar Gary R Hook Committed by Joerg Roedel
Browse files

iommu/amd: Update the PASID information printed to the system log



Provide detailed data for each event, as appropriate.

Signed-off-by: default avatarGary R Hook <gary.hook@amd.com>
Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent 6da6c0db
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+13 −18
Original line number Diff line number Diff line
@@ -545,7 +545,7 @@ static void amd_iommu_report_page_fault(u16 devid, u16 domain_id,
static void iommu_print_event(struct amd_iommu *iommu, void *__evt)
{
	struct device *dev = iommu->iommu.dev;
	int type, devid, domid, flags;
	int type, devid, pasid, flags;
	volatile u32 *event = __evt;
	int count = 0;
	u64 address;
@@ -553,7 +553,7 @@ static void iommu_print_event(struct amd_iommu *iommu, void *__evt)
retry:
	type    = (event[1] >> EVENT_TYPE_SHIFT)  & EVENT_TYPE_MASK;
	devid   = (event[0] >> EVENT_DEVID_SHIFT) & EVENT_DEVID_MASK;
	domid   = (event[1] >> EVENT_DOMID_SHIFT) & EVENT_DOMID_MASK;
	pasid   = PPR_PASID(*(u64 *)&event[0]);
	flags   = (event[1] >> EVENT_FLAGS_SHIFT) & EVENT_FLAGS_MASK;
	address = (u64)(((u64)event[3]) << 32) | event[2];

@@ -568,7 +568,7 @@ static void iommu_print_event(struct amd_iommu *iommu, void *__evt)
	}

	if (type == EVENT_TYPE_IO_FAULT) {
		amd_iommu_report_page_fault(devid, domid, address, flags);
		amd_iommu_report_page_fault(devid, pasid, address, flags);
		return;
	} else {
		dev_err(dev, "AMD-Vi: Event logged [");
@@ -576,10 +576,9 @@ static void iommu_print_event(struct amd_iommu *iommu, void *__evt)

	switch (type) {
	case EVENT_TYPE_ILL_DEV:
		dev_err(dev, "ILLEGAL_DEV_TABLE_ENTRY device=%02x:%02x.%x "
			"address=0x%016llx flags=0x%04x]\n",
		dev_err(dev, "ILLEGAL_DEV_TABLE_ENTRY device=%02x:%02x.%x pasid=0x%05x address=0x%016llx flags=0x%04x]\n",
			PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
			address, flags);
			pasid, address, flags);
		dump_dte_entry(devid);
		break;
	case EVENT_TYPE_DEV_TAB_ERR:
@@ -589,34 +588,30 @@ static void iommu_print_event(struct amd_iommu *iommu, void *__evt)
			address, flags);
		break;
	case EVENT_TYPE_PAGE_TAB_ERR:
		dev_err(dev, "PAGE_TAB_HARDWARE_ERROR device=%02x:%02x.%x "
			"domain=0x%04x address=0x%016llx flags=0x%04x]\n",
		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);
			pasid, address, flags);
		break;
	case EVENT_TYPE_ILL_CMD:
		dev_err(dev, "ILLEGAL_COMMAND_ERROR address=0x%016llx]\n", address);
		dump_command(address);
		break;
	case EVENT_TYPE_CMD_HARD_ERR:
		dev_err(dev, "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:
		dev_err(dev, "IOTLB_INV_TIMEOUT device=%02x:%02x.%x "
			"address=0x%016llx]\n",
		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:
		dev_err(dev, "INVALID_DEVICE_REQUEST device=%02x:%02x.%x "
			"address=0x%016llx flags=0x%04x]\n",
		dev_err(dev, "INVALID_DEVICE_REQUEST device=%02x:%02x.%x pasid=0x%05x address=0x%016llx flags=0x%04x]\n",
			PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
			address, flags);
			pasid, address, flags);
		break;
	default:
		dev_err(dev, KERN_ERR "UNKNOWN event[0]=0x%08x event[1]=0x%08x "
			"event[2]=0x%08x event[3]=0x%08x\n",
		dev_err(dev, "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]);
	}