diff options
Diffstat (limited to 'include/asm-powerpc/iseries/vio.h')
-rw-r--r-- | include/asm-powerpc/iseries/vio.h | 116 |
1 files changed, 112 insertions, 4 deletions
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 */ |