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  1. 15 5月, 2006 9 次提交
    • T
      [PATCH] libata: implement ATA printk helpers · 61440db6
      由 Tejun Heo 提交于 
      Implement ata_{port|dev}_printk() which prefixes the message with
proper identification string.  This change is necessary for later PM
support because devices and links should be identified differently
depending on how they are attached.

This also helps unifying device id strings.  Currently, there are two
forms in use (P is the port number D device number) - 'ataP(D):', and
'ataP: dev D '.  These macros also make it harder to forget proper ID
string (e.g. printing only port number when a device is in question).

Debug message handling can be integrated into these printk macros by
passing debug type and level via @lv.
Signed-off-by: NTejun Heo <htejun@gmail.com>
      61440db6
    • T
      [PATCH] libata: use dev->ap · 3373efd8
      由 Tejun Heo 提交于 
      Use dev->ap where possible and eliminate superflous @ap from functions
and structures.
Signed-off-by: NTejun Heo <htejun@gmail.com>
      3373efd8
    • T
      [PATCH] libata: add dev->ap · 38d87234
      由 Tejun Heo 提交于 
      Add dev->ap which points back to the port the device belongs to.  This
makes it unnecessary to pass @ap for silly reasons (e.g. printks).
Also, this change is necessary to accomodate later PM support which
will introduce ATA link inbetween port and device.
Signed-off-by: NTejun Heo <htejun@gmail.com>
      38d87234
    • T
      [PATCH] libata: kill old SCR functions and sata_dev_present() · a0ab51ce
      由 Tejun Heo 提交于 
      Kill now unused scr_{read|write|write_flush}() and sata_dev_present().
Signed-off-by: NTejun Heo <htejun@gmail.com>
      a0ab51ce
    • T
      [PATCH] libata: implement new SCR handling and port on/offline functions · 34bf2170
      由 Tejun Heo 提交于 
      Implement ata_scr_{valid|read|write|write_flush}() and
ata_port_{online|offline}().  These functions replace
scr_{read|write}() and sata_dev_present().

Major difference between between the new SCR functions and the old
ones is that the new ones have a way to signal error to the caller.
This makes handling SCR-available and SCR-unavailable cases in the
same path easier.  Also, it eases later PM implementation where SCR
access can fail due to various reasons.

ata_port_{online|offline}() functions return 1 only when they are
affirmitive of the condition.  e.g.  if SCR is unaccessible or
presence cannot be determined for other reasons, these functions
return 0.  So, ata_port_online() != !ata_port_offline().  This
distinction is useful in many exception handling cases.
Signed-off-by: NTejun Heo <htejun@gmail.com>
      34bf2170
    • T
      [PATCH] libata: implement qc->result_tf · e61e0672
      由 Tejun Heo 提交于 
      Add qc->result_tf and ATA_QCFLAG_RESULT_TF.  This moves the
responsibility of loading result TF from post-compltion path to qc
execution path.  qc->result_tf is loaded if explicitly requested or
the qc failsa.  This allows more efficient completion implementation
and correct handling of result TF for controllers which don't have
global TF representation such as sil3124/32.
Signed-off-by: NTejun Heo <htejun@gmail.com>
      e61e0672
    • T
      [PATCH] libata: use preallocated buffers · fe635c7e
      由 Tejun Heo 提交于 
      It's not a very good idea to allocate memory during EH.  Use
statically allocated buffer for dev->id[] and add 512byte buffer
ap->sector_buf.  This buffer is owned by EH (or probing) and to be
used as temporary buffer for various purposes (IDENTIFY, NCQ log page
10h, PM GSCR block).
Signed-off-by: NTejun Heo <htejun@gmail.com>
      fe635c7e
    • T
      [PATCH] libata: kill duplicate prototypes · 6cd727b1
      由 Tejun Heo 提交于 
      Kill duplicate prototypes for ata_eh_qc_complete/retry() in libata.h.
Signed-off-by: NTejun Heo <htejun@gmail.com>
      6cd727b1
    • T
      [PATCH] libata: rename ata_down_sata_spd_limit() and friends · 3c567b7d
      由 Tejun Heo 提交于 
      Rename ata_down_sata_spd_limit() and friends to sata_down_spd_limit()
and likewise for simplicity & consistency.
Signed-off-by: NTejun Heo <htejun@gmail.com>
      3c567b7d
  3. 26 4月, 2006 3 次提交
  5. 25 4月, 2006 1 次提交
  7. 20 4月, 2006 7 次提交
  9. 19 4月, 2006 1 次提交
  11. 15 4月, 2006 9 次提交
  13. 13 4月, 2006 1 次提交
    • C
      [SCSI] unify SCSI_IOCTL_SEND_COMMAND implementations · 21b2f0c8
      由 Christoph Hellwig 提交于 
      We currently have two implementations of this obsolete ioctl, one in
the block layer and one in the scsi code.  Both of them have drawbacks.

This patch kills the scsi layer version after updating the block version
with the missing bits:

 - argument checking
 - use scatterlist I/O
 - set number of retries based on the submitted command

This is the last user of non-S/G I/O except for the gdth driver, so
getting this in ASAP and through the scsi tree would be nie to kill
the non-S/G I/O path.  Jens, what do you think about adding a check
for non-S/G I/O in the midlayer?

Thanks to  Or Gerlitz for testing this patch.
Signed-off-by: NChristoph Hellwig <hch@lst.de>
Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>
      21b2f0c8
  15. 12 4月, 2006 6 次提交
  17. 11 4月, 2006 3 次提交