diff options
Diffstat (limited to 'hw/i386/intel_iommu.c')
| -rw-r--r-- | hw/i386/intel_iommu.c | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 1137861a9d..306708eb3b 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -37,6 +37,8 @@ #include "kvm_i386.h" #include "trace.h" +static void vtd_address_space_refresh_all(IntelIOMMUState *s); + static void vtd_define_quad(IntelIOMMUState *s, hwaddr addr, uint64_t val, uint64_t wmask, uint64_t w1cmask) { @@ -1436,7 +1438,7 @@ static void vtd_context_global_invalidate(IntelIOMMUState *s) vtd_reset_context_cache_locked(s); } vtd_iommu_unlock(s); - vtd_switch_address_space_all(s); + vtd_address_space_refresh_all(s); /* * From VT-d spec 6.5.2.1, a global context entry invalidation * should be followed by a IOTLB global invalidation, so we should @@ -1727,6 +1729,8 @@ static void vtd_handle_gcmd_srtp(IntelIOMMUState *s) vtd_root_table_setup(s); /* Ok - report back to driver */ vtd_set_clear_mask_long(s, DMAR_GSTS_REG, 0, VTD_GSTS_RTPS); + vtd_reset_caches(s); + vtd_address_space_refresh_all(s); } /* Set Interrupt Remap Table Pointer */ @@ -1759,7 +1763,8 @@ static void vtd_handle_gcmd_te(IntelIOMMUState *s, bool en) vtd_set_clear_mask_long(s, DMAR_GSTS_REG, VTD_GSTS_TES, 0); } - vtd_switch_address_space_all(s); + vtd_reset_caches(s); + vtd_address_space_refresh_all(s); } /* Handle Interrupt Remap Enable/Disable */ @@ -3059,6 +3064,12 @@ static void vtd_address_space_unmap_all(IntelIOMMUState *s) } } +static void vtd_address_space_refresh_all(IntelIOMMUState *s) +{ + vtd_address_space_unmap_all(s); + vtd_switch_address_space_all(s); +} + static int vtd_replay_hook(IOMMUTLBEntry *entry, void *private) { memory_region_notify_one((IOMMUNotifier *)private, entry); @@ -3231,11 +3242,7 @@ static void vtd_reset(DeviceState *dev) IntelIOMMUState *s = INTEL_IOMMU_DEVICE(dev); vtd_init(s); - - /* - * When device reset, throw away all mappings and external caches - */ - vtd_address_space_unmap_all(s); + vtd_address_space_refresh_all(s); } static AddressSpace *vtd_host_dma_iommu(PCIBus *bus, void *opaque, int devfn) |