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-rw-r--r--include/asm-powerpc/iseries/vio.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/include/asm-powerpc/iseries/vio.h b/include/asm-powerpc/iseries/vio.h
index 2555dfd6fac..f9ac0d00b95 100644
--- a/include/asm-powerpc/iseries/vio.h
+++ b/include/asm-powerpc/iseries/vio.h
@@ -51,6 +51,51 @@
*/
#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;
@@ -133,6 +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;