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

Provide detailed data for each event, as appropriate.

Signed-off-by: Gary R Hook <gary.hook@amd.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Gary R Hook 2018-05-01 14:52:52 -05:00 committed by Joerg Roedel
parent 6da6c0db53
commit d64c0486ed
1 changed files with 13 additions and 18 deletions
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31
drivers/iommu/amd_iommu.c
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@ -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 @@ retry:
}
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 @@ retry:
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 @@ retry:
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]);
}