4 files changed, 129 insertions, 4 deletions

diff --git a/include/asm-powerpc/iseries/hv_call_event.h b/include/asm-powerpc/iseries/hv_call_event.h
index 4cec4762076d..cc029d388e11 100644
--- a/include/asm-powerpc/iseries/hv_call_event.h
+++ b/include/asm-powerpc/iseries/hv_call_event.h
@@ -21,6 +21,9 @@
 #ifndef _ASM_POWERPC_ISERIES_HV_CALL_EVENT_H
 #define _ASM_POWERPC_ISERIES_HV_CALL_EVENT_H
 
+#include <linux/types.h>
+#include <linux/dma-mapping.h>
+
 #include <asm/iseries/hv_call_sc.h>
 #include <asm/iseries/hv_types.h>
 #include <asm/abs_addr.h>
@@ -113,6 +116,13 @@ static inline HvLpEvent_Rc HvCallEvent_signalLpEventFast(HvLpIndex targetLp,
                         eventData3, eventData4, eventData5);
 }
 
+extern void *iseries_hv_alloc(size_t size, dma_addr_t *dma_handle, gfp_t flag);
+extern void iseries_hv_free(size_t size, void *vaddr, dma_addr_t dma_handle);
+extern dma_addr_t iseries_hv_map(void *vaddr, size_t size,
+                        enum dma_data_direction direction);
+extern void iseries_hv_unmap(dma_addr_t dma_handle, size_t size,
+                        enum dma_data_direction direction);
+
 static inline HvLpEvent_Rc HvCallEvent_ackLpEvent(struct HvLpEvent *event)
 {
         return HvCall1(HvCallEventAckLpEvent, virt_to_abs(event));
diff --git a/include/asm-powerpc/iseries/iommu.h b/include/asm-powerpc/iseries/iommu.h
index 6e323a13ac30..c59ee7e4bed1 100644
--- a/include/asm-powerpc/iseries/iommu.h
+++ b/include/asm-powerpc/iseries/iommu.h
@@ -22,6 +22,7 @@
  */
 
 struct pci_dev;
+struct vio_dev;
 struct device_node;
 struct iommu_table;
 
@@ -34,4 +35,7 @@ extern void iommu_table_getparms_iSeries(unsigned long busno,
                 unsigned char slotno, unsigned char virtbus,
                 struct iommu_table *tbl);
 
+extern struct iommu_table *vio_build_iommu_table_iseries(struct vio_dev *dev);
+extern void iommu_vio_init(void);
+
 #endif /* _ASM_POWERPC_ISERIES_IOMMU_H */
diff --git a/include/asm-powerpc/iseries/lpar_map.h b/include/asm-powerpc/iseries/lpar_map.h
index 2ec384d66abb..5e9f3e128ee2 100644
--- a/include/asm-powerpc/iseries/lpar_map.h
+++ b/include/asm-powerpc/iseries/lpar_map.h
@@ -22,6 +22,8 @@
 
 #include <asm/types.h>
 
+#endif
+
 /*
  * The iSeries hypervisor will set up mapping for one or more
  * ESID/VSID pairs (in SLB/segment registers) and will set up
@@ -56,6 +58,7 @@
 /* Hypervisor initially maps 32MB of the load area */
 #define HvPagesToMap    8192
 
+#ifndef __ASSEMBLY__
 struct LparMap {
         u64     xNumberEsids;   // Number of ESID/VSID pairs
         u64     xNumberRanges;  // Number of VA ranges to map
diff --git a/include/asm-powerpc/iseries/vio.h b/include/asm-powerpc/iseries/vio.h
index 7a95d296abd1..f9ac0d00b951 100644
--- a/include/asm-powerpc/iseries/vio.h
+++ b/include/asm-powerpc/iseries/vio.h
@@ -51,6 +51,116 @@
  */
 #define VIO_MAX_SUBTYPES 8
 
+#define VIOMAXBLOCKDMA  12
+
+struct open_data {
+        u64     disk_size;
+        u16     max_disk;
+        u16     cylinders;
+        u16     tracks;
+        u16     sectors;
+        u16     bytes_per_sector;
+};
+
+struct rw_data {
+        u64     offset;
+        struct {
+                u32     token;
+                u32     reserved;
+                u64     len;
+        } dma_info[VIOMAXBLOCKDMA];
+};
+
+struct vioblocklpevent {
+        struct HvLpEvent        event;
+        u32                     reserved;
+        u16                     version;
+        u16                     sub_result;
+        u16                     disk;
+        u16                     flags;
+        union {
+                struct open_data        open_data;
+                struct rw_data          rw_data;
+                u64                     changed;
+        } u;
+};
+
+#define vioblockflags_ro   0x0001
+
+enum vioblocksubtype {
+        vioblockopen = 0x0001,
+        vioblockclose = 0x0002,
+        vioblockread = 0x0003,
+        vioblockwrite = 0x0004,
+        vioblockflush = 0x0005,
+        vioblockcheck = 0x0007
+};
+
+struct viocdlpevent {
+        struct HvLpEvent        event;
+        u32                     reserved;
+        u16                     version;
+        u16                     sub_result;
+        u16                     disk;
+        u16                     flags;
+        u32                     token;
+        u64                     offset;         /* On open, max number of disks */
+        u64                     len;            /* On open, size of the disk */
+        u32                     block_size;     /* Only set on open */
+        u32                     media_size;     /* Only set on open */
+};
+
+enum viocdsubtype {
+        viocdopen = 0x0001,
+        viocdclose = 0x0002,
+        viocdread = 0x0003,
+        viocdwrite = 0x0004,
+        viocdlockdoor = 0x0005,
+        viocdgetinfo = 0x0006,
+        viocdcheck = 0x0007
+};
+
+struct viotapelpevent {
+        struct HvLpEvent event;
+        u32 reserved;
+        u16 version;
+        u16 sub_type_result;
+        u16 tape;
+        u16 flags;
+        u32 token;
+        u64 len;
+        union {
+                struct {
+                        u32 tape_op;
+                        u32 count;
+                } op;
+                struct {
+                        u32 type;
+                        u32 resid;
+                        u32 dsreg;
+                        u32 gstat;
+                        u32 erreg;
+                        u32 file_no;
+                        u32 block_no;
+                } get_status;
+                struct {
+                        u32 block_no;
+                } get_pos;
+        } u;
+};
+
+enum viotapesubtype {
+        viotapeopen = 0x0001,
+        viotapeclose = 0x0002,
+        viotaperead = 0x0003,
+        viotapewrite = 0x0004,
+        viotapegetinfo = 0x0005,
+        viotapeop = 0x0006,
+        viotapegetpos = 0x0007,
+        viotapesetpos = 0x0008,
+        viotapegetstatus = 0x0009
+};
+
 /*
  * Each subtype can register a handler to process their events.
  * The handler must have this interface.
@@ -68,6 +178,8 @@ extern void vio_set_hostlp(void);
 extern void *vio_get_event_buffer(int subtype);
 extern void vio_free_event_buffer(int subtype, void *buffer);
 
+extern struct vio_dev *vio_create_viodasd(u32 unit);
+
 extern HvLpIndex viopath_hostLp;
 extern HvLpIndex viopath_ourLp;
 
@@ -150,8 +262,4 @@ enum viochar_rc {
         viochar_rc_ebusy = 1
 };
 
-struct device;
-
-extern struct device *iSeries_vio_dev;
-
 #endif /* _ASM_POWERPC_ISERIES_VIO_H */