diff options
| author |   Stephen Rothwell <sfr@canb.auug.org.au> | 2007-10-11 14:59:54 +1000 |
|---|---|---|
| committer |   Paul Mackerras <paulus@samba.org> | 2007-10-11 20:40:48 +1000 |
| commit | 8251b4c481bca72568e9c1042ea11189838e5f6d (patch) | |
| tree | 41991f93aec12592885ac33a5312dcf4024ebe5f /include | |
| parent | [POWERPC] iSeries: Move detection of virtual tapes (diff) | |
| download | linux-dev-8251b4c481bca72568e9c1042ea11189838e5f6d.tar.xz linux-dev-8251b4c481bca72568e9c1042ea11189838e5f6d.zip | |
[POWERPC] iSeries: Move viodasd probing
This way we only have entries in the device tree for disks that actually
exist. A slight complication is that disks may be attached to LPARs
at runtime.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-powerpc/iseries/vio.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/include/asm-powerpc/iseries/vio.h b/include/asm-powerpc/iseries/vio.h index 2555dfd6fac6..f9ac0d00b951 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; |