Re: [PATCH #upstream-fixes 1/4] libata: fix device iteration bugs

[Mark Lord <liml@rtr.ca>]

Michael Guntsche wrote:
> On Wed, 12 Nov 2008 18:48:50 +0900, Tejun Heo <tj@kernel.org> wrote:
> 
>> Care to post "hdparm -I /dev/sda"?
> 
> Here it is.
> 
> /dev/sda:
> 
> ATA device, with non-removable media
> powers-up in standby; SET FEATURES subcmd spins-up.
>         Model Number:       IC35L040AVER07-0
>         Serial Number:      SXPTXGK0136
>         Firmware Revision:  ER4OA45A
> Standards:
>         Used: ATA/ATAPI-5 T13 1321D revision 1
>         Supported: 5 4 3 & some of 6
> Configuration:
>         Logical         max     current
>         cylinders       16383   16383
>         heads           16      16
>         sectors/track   63      63
>         --
>         CHS current addressable sectors:   16514064
>         LBA    user addressable sectors:   66055248
>         device size with M = 1024*1024:       32253 MBytes
>         device size with M = 1000*1000:       33820 MBytes (33 GB)
> Capabilities:
>         LBA, IORDY(can be disabled)
>         bytes avail on r/w long: 40     Queue depth: 32
>         Standby timer values: spec'd by Standard, no device specific
> minimum
>         R/W multiple sector transfer: Max = 16  Current = 16
>         Advanced power management level: disabled
>         Recommended acoustic management value: 128, current value: 254
>         DMA: mdma0 mdma1 *mdma2 udma0 udma1 udma2 udma3 udma4 udma5
>              Cycle time: min=120ns recommended=120ns
>         PIO: pio0 pio1 pio2 pio3 pio4
>              Cycle time: no flow control=240ns  IORDY flow control=120ns
> Commands/features:
>         Enabled Supported:
>            *    SMART feature set
>                 Security Mode feature set
>            *    Power Management feature set
>            *    Write cache
>            *    Look-ahead
>                 Release interrupt
>            *    Host Protected Area feature set
>            *    WRITE_BUFFER command
>            *    READ_BUFFER command
>            *    NOP cmd
>            *    READ/WRITE_DMA_QUEUED
>                 Advanced Power Management feature set
>                 Power-Up In Standby feature set
>                 SET_FEATURES required to spinup after power up
>                 Address Offset Reserved Area Boot
>                 SET_MAX security extension
>            *    Automatic Acoustic Management feature set
>            *    Device Configuration Overlay feature set
> Security:
>         Master password revision code = 65534
>                 supported
>         not     enabled
>         not     locked
>         not     frozen
>         not     expired: security count
>         not     supported: enhanced erase
>         30min for SECURITY ERASE UNIT.
> HW reset results:
>         CBLID- above Vih
>         Device num = 0 determined by the jumper
> Checksum: correct
..

One more:  Let's see "hdparm -N" for that drive
(note to self: add -N functionality to -I someday..).

Thanks