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[SCSI] arcmsr: updates (1.20.00.15)

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- add arcmsr_enable_eoi_mode()and readl(reg->iop2drv_doorbell_reg) in
  arcmsr_handle_hbb_isr() on adapter Type B in case of the doorbell
  interrupt clearance is cached

- add conditional declaration for arcmsr_pci_error_detected() and
  arcmsr_pci_slot_reset

- check if the sg list member number exceeds arcmsr default limit in
  arcmsr_build_ccb()

- change the returned value type of arcmsr_build_ccb()from "void" to
  "int" returns FAILED in arcmsr_queue_command()

- modify arcmsr_drain_donequeue() to ignore unknown command and let
  kernel process command timeout.  This could handle IO request violating
  maximum segments, i.e.  Linux XFS over DM-CRYPT.  Thanks to Milan Broz's
  comments <mbroz@redhat.com>

- fix the release of dma memory for type B in arcmsr_free_ccb_pool()

- fix the arcmsr_polling_hbb_ccbdone()

Signed-off-by: Nick Cheng <nick.cheng@areca.com.tw>
Cc: Milan Broz <mbroz@redhat.com>
Cc: <thenzl@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Nick Cheng
2008-02-04 23:53:24 -08:00
committed by James Bottomley
parent 63adcc5862
commit 76d78300a6
3 changed files with 105 additions and 27 deletions
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41
Documentation/scsi/ChangeLog.arcmsr
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@@ -68,4 +68,45 @@
** 2. modify the arcmsr_pci_slot_reset function
** 3. modify the arcmsr_pci_ers_disconnect_forepart function
** 4. modify the arcmsr_pci_ers_need_reset_forepart function
** 1.20.00.15 09/27/2007 Erich Chen & Nick Cheng
** 1. add arcmsr_enable_eoi_mode() on adapter Type B
** 2. add readl(reg->iop2drv_doorbell_reg) in arcmsr_handle_hbb_isr()
** in case of the doorbell interrupt clearance is cached
** 1.20.00.15 10/01/2007 Erich Chen & Nick Cheng
** 1. modify acb->devstate[i][j]
** as ARECA_RAID_GOOD instead of
** ARECA_RAID_GONE in arcmsr_alloc_ccb_pool
** 1.20.00.15 11/06/2007 Erich Chen & Nick Cheng
** 1. add conditional declaration for
** arcmsr_pci_error_detected() and
** arcmsr_pci_slot_reset
** 1.20.00.15 11/23/2007 Erich Chen & Nick Cheng
** 1.check if the sg list member number
** exceeds arcmsr default limit in arcmsr_build_ccb()
** 2.change the returned value type of arcmsr_build_ccb()
** from "void" to "int"
** 3.add the conditional check if arcmsr_build_ccb()
** returns FAILED
** 1.20.00.15 12/04/2007 Erich Chen & Nick Cheng
** 1. modify arcmsr_drain_donequeue() to ignore unknown
** command and let kernel process command timeout.
** This could handle IO request violating max. segments
** while Linux XFS over DM-CRYPT.
** Thanks to Milan Broz's comments <mbroz@redhat.com>
** 1.20.00.15 12/24/2007 Erich Chen & Nick Cheng
** 1.fix the portability problems
** 2.fix type B where we should _not_ iounmap() acb->pmu;
** it's not ioremapped.
** 3.add return -ENOMEM if ioremap() fails
** 4.transfer IS_SG64_ADDR w/ cpu_to_le32()
** in arcmsr_build_ccb
** 5. modify acb->devstate[i][j] as ARECA_RAID_GONE instead of
** ARECA_RAID_GOOD in arcmsr_alloc_ccb_pool()
** 6.fix arcmsr_cdb->Context as (unsigned long)arcmsr_cdb
** 7.add the checking state of
** (outbound_intstatus & ARCMSR_MU_OUTBOUND_HANDLE_INT) == 0
** in arcmsr_handle_hba_isr
** 8.replace pci_alloc_consistent()/pci_free_consistent() with kmalloc()/kfree() in arcmsr_iop_message_xfer()
** 9. fix the release of dma memory for type B in arcmsr_free_ccb_pool()
** 10.fix the arcmsr_polling_hbb_ccbdone()
**************************************************************************