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**************************************************************************
** History
**
** REV# DATE NAME DESCRIPTION
** 1.00.00.00 3/31/2004 Erich Chen First release
** 1.10.00.04 7/28/2004 Erich Chen modify for ioctl
** 1.10.00.06 8/28/2004 Erich Chen modify for 2.6.x
** 1.10.00.08 9/28/2004 Erich Chen modify for x86_64
** 1.10.00.10 10/10/2004 Erich Chen bug fix for SMP & ioctl
** 1.20.00.00 11/29/2004 Erich Chen bug fix with arcmsr_bus_reset when PHY error
** 1.20.00.02 12/09/2004 Erich Chen bug fix with over 2T bytes RAID Volume
** 1.20.00.04 1/09/2005 Erich Chen fits for Debian linux kernel version 2.2.xx
** 1.20.00.05 2/20/2005 Erich Chen cleanly as look like a Linux driver at 2.6.x
** thanks for peoples kindness comment
** Kornel Wieliczek
** Christoph Hellwig
** Adrian Bunk
** Andrew Morton
** Christoph Hellwig
** James Bottomley
** Arjan van de Ven
** 1.20.00.06 3/12/2005 Erich Chen fix with arcmsr_pci_unmap_dma "unsigned long" cast,
** modify PCCB POOL allocated by "dma_alloc_coherent"
** (Kornel Wieliczek's comment)
** 1.20.00.07 3/23/2005 Erich Chen bug fix with arcmsr_scsi_host_template_init
** occur segmentation fault,
** if RAID adapter does not on PCI slot
** and modprobe/rmmod this driver twice.
** bug fix enormous stack usage (Adrian Bunk's comment)
** 1.20.00.08 6/23/2005 Erich Chen bug fix with abort command,
** in case of heavy loading when sata cable
** working on low quality connection
** 1.20.00.09 9/12/2005 Erich Chen bug fix with abort command handling, firmware version check
** and firmware update notify for hardware bug fix
** 1.20.00.10 9/23/2005 Erich Chen enhance sysfs function for change driver's max tag Q number.
** add DMA_64BIT_MASK for backward compatible with all 2.6.x
** add some useful message for abort command
** add ioctl code 'ARCMSR_IOCTL_FLUSH_ADAPTER_CACHE'
** customer can send this command for sync raid volume data
** 1.20.00.11 9/29/2005 Erich Chen by comment of Arjan van de Ven fix incorrect msleep redefine
** cast off sizeof(dma_addr_t) condition for 64bit pci_set_dma_mask
** 1.20.00.12 9/30/2005 Erich Chen bug fix with 64bit platform's ccbs using if over 4G system memory
** change 64bit pci_set_consistent_dma_mask into 32bit
** increcct adapter count if adapter initialize fail.
** miss edit at arcmsr_build_ccb....
** psge += sizeof(struct _SG64ENTRY *) =>
** psge += sizeof(struct _SG64ENTRY)
** 64 bits sg entry would be incorrectly calculated
** thanks Kornel Wieliczek give me kindly notify
** and detail description
** 1.20.00.13 11/15/2005 Erich Chen scheduling pending ccb with FIFO
** change the architecture of arcmsr command queue list
** for linux standard list
** enable usage of pci message signal interrupt
** follow Randy.Danlup kindness suggestion cleanup this code
** 1.20.00.14 05/02/2007 Erich Chen & Nick Cheng
** 1.implement PCI-Express error recovery function and AER capability
** 2.implement the selection of ARCMSR_MAX_XFER_SECTORS_B=4096
** if firmware version is newer than 1.42
** 3.modify arcmsr_iop_reset to improve the ability
** 4.modify the ISR, arcmsr_interrupt routine,to prevent the
** inconsistency with sg_mod driver if application directly calls
** the arcmsr driver w/o passing through scsi mid layer
** specially thanks to Yanmin Zhang's openhanded help about AER
** 1.20.00.15 08/30/2007 Erich Chen & Nick Cheng
** 1. support ARC1200/1201/1202 SATA RAID adapter, which is named
** ACB_ADAPTER_TYPE_B
** 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()
**************************************************************************
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