diff options
Diffstat (limited to 'sys/x86/iommu/intel_fault.c')
| -rw-r--r-- | sys/x86/iommu/intel_fault.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/sys/x86/iommu/intel_fault.c b/sys/x86/iommu/intel_fault.c index 18f8fef..af18010 100644 --- a/sys/x86/iommu/intel_fault.c +++ b/sys/x86/iommu/intel_fault.c @@ -45,6 +45,8 @@ __FBSDID("$FreeBSD$"); #include <contrib/dev/acpica/include/acpi.h> #include <contrib/dev/acpica/include/accommon.h> #include <dev/acpica/acpivar.h> +#include <dev/pci/pcireg.h> +#include <dev/pci/pcivar.h> #include <vm/vm.h> #include <vm/vm_extern.h> #include <vm/vm_kern.h> @@ -203,19 +205,28 @@ dmar_fault_task(void *arg, int pending __unused) DMAR_FAULT_UNLOCK(unit); sid = DMAR_FRCD2_SID(fault_rec[1]); - bus = (sid >> 8) & 0xf; - slot = (sid >> 3) & 0x1f; - func = sid & 0x7; printf("DMAR%d: ", unit->unit); DMAR_LOCK(unit); - ctx = dmar_find_ctx_locked(unit, bus, slot, func); + ctx = dmar_find_ctx_locked(unit, sid); if (ctx == NULL) { printf("<unknown dev>:"); + + /* + * Note that the slot and function will not be correct + * if ARI is in use, but without a ctx entry we have + * no way of knowing whether ARI is in use or not. + */ + bus = PCI_RID2BUS(sid); + slot = PCI_RID2SLOT(sid); + func = PCI_RID2FUNC(sid); } else { ctx->flags |= DMAR_CTX_FAULTED; ctx->last_fault_rec[0] = fault_rec[0]; ctx->last_fault_rec[1] = fault_rec[1]; device_print_prettyname(ctx->ctx_tag.owner); + bus = pci_get_bus(ctx->ctx_tag.owner); + slot = pci_get_slot(ctx->ctx_tag.owner); + func = pci_get_function(ctx->ctx_tag.owner); } DMAR_UNLOCK(unit); printf( |
