diff options
Diffstat (limited to 'include/linux/intel-iommu.h')
| -rw-r--r-- | include/linux/intel-iommu.h | 44 |
1 files changed, 37 insertions, 7 deletions
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h index 03faf20a6817..d0fa0b31994d 100644 --- a/include/linux/intel-iommu.h +++ b/include/linux/intel-iommu.h @@ -537,7 +537,7 @@ struct context_entry { struct dmar_domain { int nid; /* node id */ - unsigned iommu_refcnt[DMAR_UNITS_SUPPORTED]; + unsigned int iommu_refcnt[DMAR_UNITS_SUPPORTED]; /* Refcount of devices per iommu */ @@ -546,7 +546,10 @@ struct dmar_domain { * domain ids are 16 bit wide according * to VT-d spec, section 9.3 */ - bool has_iotlb_device; + u8 has_iotlb_device: 1; + u8 iommu_coherency: 1; /* indicate coherency of iommu access */ + u8 iommu_snooping: 1; /* indicate snooping control feature */ + struct list_head devices; /* all devices' list */ struct list_head subdevices; /* all subdevices' list */ struct iova_domain iovad; /* iova's that belong to this domain */ @@ -558,10 +561,6 @@ struct dmar_domain { int agaw; int flags; /* flags to find out type of domain */ - - int iommu_coherency;/* indicate coherency of iommu access */ - int iommu_snooping; /* indicate snooping control feature*/ - int iommu_count; /* reference count of iommu */ int iommu_superpage;/* Level of superpages supported: 0 == 4KiB (no superpages), 1 == 2MiB, 2 == 1GiB, 3 == 512GiB, 4 == 1TiB */ @@ -606,6 +605,8 @@ struct intel_iommu { struct completion prq_complete; struct ioasid_allocator_ops pasid_allocator; /* Custom allocator for PASIDs */ #endif + struct iopf_queue *iopf_queue; + unsigned char iopfq_name[16]; struct q_inval *qi; /* Queued invalidation info */ u32 *iommu_state; /* Store iommu states between suspend and resume.*/ @@ -619,6 +620,7 @@ struct intel_iommu { u32 flags; /* Software defined flags */ struct dmar_drhd_unit *drhd; + void *perf_statistic; }; /* Per subdevice private data */ @@ -776,6 +778,7 @@ struct intel_svm_dev { struct device *dev; struct intel_iommu *iommu; struct iommu_sva sva; + unsigned long prq_seq_number; u32 pasid; int users; u16 did; @@ -791,7 +794,6 @@ struct intel_svm { u32 pasid; int gpasid; /* In case that guest PASID is different from host PASID */ struct list_head devs; - struct list_head list; }; #else static inline void intel_svm_check(struct intel_iommu *iommu) {} @@ -827,4 +829,32 @@ static inline int iommu_calculate_max_sagaw(struct intel_iommu *iommu) #define intel_iommu_enabled (0) #endif +static inline const char *decode_prq_descriptor(char *str, size_t size, + u64 dw0, u64 dw1, u64 dw2, u64 dw3) +{ + char *buf = str; + int bytes; + + bytes = snprintf(buf, size, + "rid=0x%llx addr=0x%llx %c%c%c%c%c pasid=0x%llx index=0x%llx", + FIELD_GET(GENMASK_ULL(31, 16), dw0), + FIELD_GET(GENMASK_ULL(63, 12), dw1), + dw1 & BIT_ULL(0) ? 'r' : '-', + dw1 & BIT_ULL(1) ? 'w' : '-', + dw0 & BIT_ULL(52) ? 'x' : '-', + dw0 & BIT_ULL(53) ? 'p' : '-', + dw1 & BIT_ULL(2) ? 'l' : '-', + FIELD_GET(GENMASK_ULL(51, 32), dw0), + FIELD_GET(GENMASK_ULL(11, 3), dw1)); + + /* Private Data */ + if (dw0 & BIT_ULL(9)) { + size -= bytes; + buf += bytes; + snprintf(buf, size, " private=0x%llx/0x%llx\n", dw2, dw3); + } + + return str; +} + #endif |