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Diffstat (limited to 'include/linux/intel-iommu.h')
-rw-r--r--include/linux/intel-iommu.h35
1 files changed, 25 insertions, 10 deletions
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index aa8c53171233..482dc91fd53a 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -53,6 +53,7 @@
53#define DMAR_PHMLIMIT_REG 0x78 /* pmrr high limit */ 53#define DMAR_PHMLIMIT_REG 0x78 /* pmrr high limit */
54#define DMAR_IQH_REG 0x80 /* Invalidation queue head register */ 54#define DMAR_IQH_REG 0x80 /* Invalidation queue head register */
55#define DMAR_IQT_REG 0x88 /* Invalidation queue tail register */ 55#define DMAR_IQT_REG 0x88 /* Invalidation queue tail register */
56#define DMAR_IQ_SHIFT 4 /* Invalidation queue head/tail shift */
56#define DMAR_IQA_REG 0x90 /* Invalidation queue addr register */ 57#define DMAR_IQA_REG 0x90 /* Invalidation queue addr register */
57#define DMAR_ICS_REG 0x98 /* Invalidation complete status register */ 58#define DMAR_ICS_REG 0x98 /* Invalidation complete status register */
58#define DMAR_IRTA_REG 0xb8 /* Interrupt remapping table addr register */ 59#define DMAR_IRTA_REG 0xb8 /* Interrupt remapping table addr register */
@@ -120,8 +121,10 @@ static inline void dmar_writeq(void __iomem *addr, u64 val)
120 (ecap_iotlb_offset(e) + ecap_niotlb_iunits(e) * 16) 121 (ecap_iotlb_offset(e) + ecap_niotlb_iunits(e) * 16)
121#define ecap_coherent(e) ((e) & 0x1) 122#define ecap_coherent(e) ((e) & 0x1)
122#define ecap_qis(e) ((e) & 0x2) 123#define ecap_qis(e) ((e) & 0x2)
124#define ecap_pass_through(e) ((e >> 6) & 0x1)
123#define ecap_eim_support(e) ((e >> 4) & 0x1) 125#define ecap_eim_support(e) ((e >> 4) & 0x1)
124#define ecap_ir_support(e) ((e >> 3) & 0x1) 126#define ecap_ir_support(e) ((e >> 3) & 0x1)
127#define ecap_dev_iotlb_support(e) (((e) >> 2) & 0x1)
125#define ecap_max_handle_mask(e) ((e >> 20) & 0xf) 128#define ecap_max_handle_mask(e) ((e >> 20) & 0xf)
126#define ecap_sc_support(e) ((e >> 7) & 0x1) /* Snooping Control */ 129#define ecap_sc_support(e) ((e >> 7) & 0x1) /* Snooping Control */
127 130
@@ -197,6 +200,8 @@ static inline void dmar_writeq(void __iomem *addr, u64 val)
197#define DMA_FSTS_PPF ((u32)2) 200#define DMA_FSTS_PPF ((u32)2)
198#define DMA_FSTS_PFO ((u32)1) 201#define DMA_FSTS_PFO ((u32)1)
199#define DMA_FSTS_IQE (1 << 4) 202#define DMA_FSTS_IQE (1 << 4)
203#define DMA_FSTS_ICE (1 << 5)
204#define DMA_FSTS_ITE (1 << 6)
200#define dma_fsts_fault_record_index(s) (((s) >> 8) & 0xff) 205#define dma_fsts_fault_record_index(s) (((s) >> 8) & 0xff)
201 206
202/* FRCD_REG, 32 bits access */ 207/* FRCD_REG, 32 bits access */
@@ -225,7 +230,8 @@ do { \
225enum { 230enum {
226 QI_FREE, 231 QI_FREE,
227 QI_IN_USE, 232 QI_IN_USE,
228 QI_DONE 233 QI_DONE,
234 QI_ABORT
229}; 235};
230 236
231#define QI_CC_TYPE 0x1 237#define QI_CC_TYPE 0x1
@@ -254,6 +260,12 @@ enum {
254#define QI_CC_DID(did) (((u64)did) << 16) 260#define QI_CC_DID(did) (((u64)did) << 16)
255#define QI_CC_GRAN(gran) (((u64)gran) >> (DMA_CCMD_INVL_GRANU_OFFSET-4)) 261#define QI_CC_GRAN(gran) (((u64)gran) >> (DMA_CCMD_INVL_GRANU_OFFSET-4))
256 262
263#define QI_DEV_IOTLB_SID(sid) ((u64)((sid) & 0xffff) << 32)
264#define QI_DEV_IOTLB_QDEP(qdep) (((qdep) & 0x1f) << 16)
265#define QI_DEV_IOTLB_ADDR(addr) ((u64)(addr) & VTD_PAGE_MASK)
266#define QI_DEV_IOTLB_SIZE 1
267#define QI_DEV_IOTLB_MAX_INVS 32
268
257struct qi_desc { 269struct qi_desc {
258 u64 low, high; 270 u64 low, high;
259}; 271};
@@ -280,10 +292,10 @@ struct ir_table {
280#endif 292#endif
281 293
282struct iommu_flush { 294struct iommu_flush {
283 int (*flush_context)(struct intel_iommu *iommu, u16 did, u16 sid, u8 fm, 295 void (*flush_context)(struct intel_iommu *iommu, u16 did, u16 sid,
284 u64 type, int non_present_entry_flush); 296 u8 fm, u64 type);
285 int (*flush_iotlb)(struct intel_iommu *iommu, u16 did, u64 addr, 297 void (*flush_iotlb)(struct intel_iommu *iommu, u16 did, u64 addr,
286 unsigned int size_order, u64 type, int non_present_entry_flush); 298 unsigned int size_order, u64 type);
287}; 299};
288 300
289enum { 301enum {
@@ -302,6 +314,7 @@ struct intel_iommu {
302 spinlock_t register_lock; /* protect register handling */ 314 spinlock_t register_lock; /* protect register handling */
303 int seq_id; /* sequence id of the iommu */ 315 int seq_id; /* sequence id of the iommu */
304 int agaw; /* agaw of this iommu */ 316 int agaw; /* agaw of this iommu */
317 int msagaw; /* max sagaw of this iommu */
305 unsigned int irq; 318 unsigned int irq;
306 unsigned char name[13]; /* Device Name */ 319 unsigned char name[13]; /* Device Name */
307 320
@@ -329,6 +342,7 @@ static inline void __iommu_flush_cache(
329} 342}
330 343
331extern struct dmar_drhd_unit * dmar_find_matched_drhd_unit(struct pci_dev *dev); 344extern struct dmar_drhd_unit * dmar_find_matched_drhd_unit(struct pci_dev *dev);
345extern int dmar_find_matched_atsr_unit(struct pci_dev *dev);
332 346
333extern int alloc_iommu(struct dmar_drhd_unit *drhd); 347extern int alloc_iommu(struct dmar_drhd_unit *drhd);
334extern void free_iommu(struct intel_iommu *iommu); 348extern void free_iommu(struct intel_iommu *iommu);
@@ -337,11 +351,12 @@ extern void dmar_disable_qi(struct intel_iommu *iommu);
337extern int dmar_reenable_qi(struct intel_iommu *iommu); 351extern int dmar_reenable_qi(struct intel_iommu *iommu);
338extern void qi_global_iec(struct intel_iommu *iommu); 352extern void qi_global_iec(struct intel_iommu *iommu);
339 353
340extern int qi_flush_context(struct intel_iommu *iommu, u16 did, u16 sid, 354extern void qi_flush_context(struct intel_iommu *iommu, u16 did, u16 sid,
341 u8 fm, u64 type, int non_present_entry_flush); 355 u8 fm, u64 type);
342extern int qi_flush_iotlb(struct intel_iommu *iommu, u16 did, u64 addr, 356extern void qi_flush_iotlb(struct intel_iommu *iommu, u16 did, u64 addr,
343 unsigned int size_order, u64 type, 357 unsigned int size_order, u64 type);
344 int non_present_entry_flush); 358extern void qi_flush_dev_iotlb(struct intel_iommu *iommu, u16 sid, u16 qdep,
359 u64 addr, unsigned mask);
345 360
346extern int qi_submit_sync(struct qi_desc *desc, struct intel_iommu *iommu); 361extern int qi_submit_sync(struct qi_desc *desc, struct intel_iommu *iommu);
347 362