Merge branch 'irq-threaded-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[pandora-kernel.git] / include / linux / intel-iommu.h

diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index aa8c531..482dc91 100644 (file)
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -53,6 +53,7 @@
 #define        DMAR_PHMLIMIT_REG 0x78  /* pmrr high limit */
 #define DMAR_IQH_REG   0x80    /* Invalidation queue head register */
 #define DMAR_IQT_REG   0x88    /* Invalidation queue tail register */
+#define DMAR_IQ_SHIFT  4       /* Invalidation queue head/tail shift */
 #define DMAR_IQA_REG   0x90    /* Invalidation queue addr register */
 #define DMAR_ICS_REG   0x98    /* Invalidation complete status register */
 #define DMAR_IRTA_REG  0xb8    /* Interrupt remapping table addr register */
@@ -120,8 +121,10 @@ static inline void dmar_writeq(void __iomem *addr, u64 val)
        (ecap_iotlb_offset(e) + ecap_niotlb_iunits(e) * 16)
 #define ecap_coherent(e)       ((e) & 0x1)
 #define ecap_qis(e)            ((e) & 0x2)
+#define ecap_pass_through(e)   ((e >> 6) & 0x1)
 #define ecap_eim_support(e)    ((e >> 4) & 0x1)
 #define ecap_ir_support(e)     ((e >> 3) & 0x1)
+#define ecap_dev_iotlb_support(e)      (((e) >> 2) & 0x1)
 #define ecap_max_handle_mask(e) ((e >> 20) & 0xf)
 #define ecap_sc_support(e)     ((e >> 7) & 0x1) /* Snooping Control */
 
@@ -197,6 +200,8 @@ static inline void dmar_writeq(void __iomem *addr, u64 val)
 #define DMA_FSTS_PPF ((u32)2)
 #define DMA_FSTS_PFO ((u32)1)
 #define DMA_FSTS_IQE (1 << 4)
+#define DMA_FSTS_ICE (1 << 5)
+#define DMA_FSTS_ITE (1 << 6)
 #define dma_fsts_fault_record_index(s) (((s) >> 8) & 0xff)
 
 /* FRCD_REG, 32 bits access */
@@ -225,7 +230,8 @@ do {                                                                        \
 enum {
        QI_FREE,
        QI_IN_USE,
-       QI_DONE
+       QI_DONE,
+       QI_ABORT
 };
 
 #define QI_CC_TYPE             0x1
@@ -254,6 +260,12 @@ enum {
 #define QI_CC_DID(did)         (((u64)did) << 16)
 #define QI_CC_GRAN(gran)       (((u64)gran) >> (DMA_CCMD_INVL_GRANU_OFFSET-4))
 
+#define QI_DEV_IOTLB_SID(sid)  ((u64)((sid) & 0xffff) << 32)
+#define QI_DEV_IOTLB_QDEP(qdep)        (((qdep) & 0x1f) << 16)
+#define QI_DEV_IOTLB_ADDR(addr)        ((u64)(addr) & VTD_PAGE_MASK)
+#define QI_DEV_IOTLB_SIZE      1
+#define QI_DEV_IOTLB_MAX_INVS  32
+
 struct qi_desc {
        u64 low, high;
 };
@@ -280,10 +292,10 @@ struct ir_table {
 #endif
 
 struct iommu_flush {
-       int (*flush_context)(struct intel_iommu *iommu, u16 did, u16 sid, u8 fm,
-               u64 type, int non_present_entry_flush);
-       int (*flush_iotlb)(struct intel_iommu *iommu, u16 did, u64 addr,
-               unsigned int size_order, u64 type, int non_present_entry_flush);
+       void (*flush_context)(struct intel_iommu *iommu, u16 did, u16 sid,
+                             u8 fm, u64 type);
+       void (*flush_iotlb)(struct intel_iommu *iommu, u16 did, u64 addr,
+                           unsigned int size_order, u64 type);
 };
 
 enum {
@@ -302,6 +314,7 @@ struct intel_iommu {
        spinlock_t      register_lock; /* protect register handling */
        int             seq_id; /* sequence id of the iommu */
        int             agaw; /* agaw of this iommu */
+       int             msagaw; /* max sagaw of this iommu */
        unsigned int    irq;
        unsigned char   name[13];    /* Device Name */
 
@@ -329,6 +342,7 @@ static inline void __iommu_flush_cache(
 }
 
 extern struct dmar_drhd_unit * dmar_find_matched_drhd_unit(struct pci_dev *dev);
+extern int dmar_find_matched_atsr_unit(struct pci_dev *dev);
 
 extern int alloc_iommu(struct dmar_drhd_unit *drhd);
 extern void free_iommu(struct intel_iommu *iommu);
@@ -337,11 +351,12 @@ extern void dmar_disable_qi(struct intel_iommu *iommu);
 extern int dmar_reenable_qi(struct intel_iommu *iommu);
 extern void qi_global_iec(struct intel_iommu *iommu);
 
-extern int qi_flush_context(struct intel_iommu *iommu, u16 did, u16 sid,
-                               u8 fm, u64 type, int non_present_entry_flush);
-extern int qi_flush_iotlb(struct intel_iommu *iommu, u16 did, u64 addr,
-                         unsigned int size_order, u64 type,
-                         int non_present_entry_flush);
+extern void qi_flush_context(struct intel_iommu *iommu, u16 did, u16 sid,
+                            u8 fm, u64 type);
+extern void qi_flush_iotlb(struct intel_iommu *iommu, u16 did, u64 addr,
+                         unsigned int size_order, u64 type);
+extern void qi_flush_dev_iotlb(struct intel_iommu *iommu, u16 sid, u16 qdep,
+                              u64 addr, unsigned mask);
 
 extern int qi_submit_sync(struct qi_desc *desc, struct intel_iommu *iommu);