diff options
Diffstat (limited to 'hw/vfio/common.c')
| -rw-r--r-- | hw/vfio/common.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/hw/vfio/common.c b/hw/vfio/common.c index 6065834717..cfcb71974a 100644 --- a/hw/vfio/common.c +++ b/hw/vfio/common.c @@ -40,6 +40,7 @@ #include "trace.h" #include "qapi/error.h" #include "migration/migration.h" +#include "sysemu/tpm.h" VFIOGroupList vfio_group_list = QLIST_HEAD_INITIALIZER(vfio_group_list); @@ -861,6 +862,22 @@ static void vfio_unregister_ram_discard_listener(VFIOContainer *container, g_free(vrdl); } +static bool vfio_known_safe_misalignment(MemoryRegionSection *section) +{ + MemoryRegion *mr = section->mr; + + if (!TPM_IS_CRB(mr->owner)) { + return false; + } + + /* this is a known safe misaligned region, just trace for debug purpose */ + trace_vfio_known_safe_misalignment(memory_region_name(mr), + section->offset_within_address_space, + section->offset_within_region, + qemu_real_host_page_size()); + return true; +} + static void vfio_listener_region_add(MemoryListener *listener, MemoryRegionSection *section) { @@ -884,7 +901,15 @@ static void vfio_listener_region_add(MemoryListener *listener, if (unlikely((section->offset_within_address_space & ~qemu_real_host_page_mask()) != (section->offset_within_region & ~qemu_real_host_page_mask()))) { - error_report("%s received unaligned region", __func__); + if (!vfio_known_safe_misalignment(section)) { + error_report("%s received unaligned region %s iova=0x%"PRIx64 + " offset_within_region=0x%"PRIx64 + " qemu_real_host_page_size=0x%"PRIxPTR, + __func__, memory_region_name(section->mr), + section->offset_within_address_space, + section->offset_within_region, + qemu_real_host_page_size()); + } return; } |