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4515 lines
127 KiB
4515 lines
127 KiB
/******************************************************************************
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* QLOGIC LINUX SOFTWARE
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*
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* QLogic QLA1280 (Ultra2) and QLA12160 (Ultra3) SCSI driver
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* Copyright (C) 2000 Qlogic Corporation (www.qlogic.com)
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* Copyright (C) 2001-2004 Jes Sorensen, Wild Open Source Inc.
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* Copyright (C) 2003-2004 Christoph Hellwig
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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******************************************************************************/
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#define QLA1280_VERSION "3.26"
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/*****************************************************************************
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Revision History:
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Rev 3.26, January 16, 2006 Jes Sorensen
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- Ditch all < 2.6 support
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Rev 3.25.1, February 10, 2005 Christoph Hellwig
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- use pci_map_single to map non-S/G requests
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- remove qla1280_proc_info
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Rev 3.25, September 28, 2004, Christoph Hellwig
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- add support for ISP1020/1040
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- don't include "scsi.h" anymore for 2.6.x
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Rev 3.24.4 June 7, 2004 Christoph Hellwig
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- restructure firmware loading, cleanup initialization code
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- prepare support for ISP1020/1040 chips
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Rev 3.24.3 January 19, 2004, Jes Sorensen
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- Handle PCI DMA mask settings correctly
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- Correct order of error handling in probe_one, free_irq should not
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be called if request_irq failed
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Rev 3.24.2 January 19, 2004, James Bottomley & Andrew Vasquez
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- Big endian fixes (James)
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- Remove bogus IOCB content on zero data transfer commands (Andrew)
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Rev 3.24.1 January 5, 2004, Jes Sorensen
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- Initialize completion queue to avoid OOPS on probe
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- Handle interrupts during mailbox testing
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Rev 3.24 November 17, 2003, Christoph Hellwig
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- use struct list_head for completion queue
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- avoid old Scsi_FOO typedefs
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- cleanup 2.4 compat glue a bit
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- use <scsi/scsi_*.h> headers on 2.6 instead of "scsi.h"
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- make initialization for memory mapped vs port I/O more similar
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- remove broken pci config space manipulation
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- kill more cruft
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- this is an almost perfect 2.6 scsi driver now! ;)
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Rev 3.23.39 December 17, 2003, Jes Sorensen
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- Delete completion queue from srb if mailbox command failed to
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to avoid qla1280_done completeting qla1280_error_action's
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obsolete context
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- Reduce arguments for qla1280_done
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Rev 3.23.38 October 18, 2003, Christoph Hellwig
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- Convert to new-style hotplugable driver for 2.6
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- Fix missing scsi_unregister/scsi_host_put on HBA removal
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- Kill some more cruft
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Rev 3.23.37 October 1, 2003, Jes Sorensen
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- Make MMIO depend on CONFIG_X86_VISWS instead of yet another
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random CONFIG option
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- Clean up locking in probe path
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Rev 3.23.36 October 1, 2003, Christoph Hellwig
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- queuecommand only ever receives new commands - clear flags
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- Reintegrate lost fixes from Linux 2.5
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Rev 3.23.35 August 14, 2003, Jes Sorensen
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- Build against 2.6
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Rev 3.23.34 July 23, 2003, Jes Sorensen
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- Remove pointless TRUE/FALSE macros
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- Clean up vchan handling
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Rev 3.23.33 July 3, 2003, Jes Sorensen
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- Don't define register access macros before define determining MMIO.
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This just happend to work out on ia64 but not elsewhere.
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- Don't try and read from the card while it is in reset as
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it won't respond and causes an MCA
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Rev 3.23.32 June 23, 2003, Jes Sorensen
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- Basic support for boot time arguments
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Rev 3.23.31 June 8, 2003, Jes Sorensen
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- Reduce boot time messages
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Rev 3.23.30 June 6, 2003, Jes Sorensen
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- Do not enable sync/wide/ppr before it has been determined
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that the target device actually supports it
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- Enable DMA arbitration for multi channel controllers
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Rev 3.23.29 June 3, 2003, Jes Sorensen
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- Port to 2.5.69
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Rev 3.23.28 June 3, 2003, Jes Sorensen
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- Eliminate duplicate marker commands on bus resets
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- Handle outstanding commands appropriately on bus/device resets
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Rev 3.23.27 May 28, 2003, Jes Sorensen
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- Remove bogus input queue code, let the Linux SCSI layer do the work
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- Clean up NVRAM handling, only read it once from the card
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- Add a number of missing default nvram parameters
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Rev 3.23.26 Beta May 28, 2003, Jes Sorensen
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- Use completion queue for mailbox commands instead of busy wait
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Rev 3.23.25 Beta May 27, 2003, James Bottomley
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- Migrate to use new error handling code
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Rev 3.23.24 Beta May 21, 2003, James Bottomley
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- Big endian support
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- Cleanup data direction code
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Rev 3.23.23 Beta May 12, 2003, Jes Sorensen
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- Switch to using MMIO instead of PIO
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Rev 3.23.22 Beta April 15, 2003, Jes Sorensen
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- Fix PCI parity problem with 12160 during reset.
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Rev 3.23.21 Beta April 14, 2003, Jes Sorensen
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- Use pci_map_page()/pci_unmap_page() instead of map_single version.
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Rev 3.23.20 Beta April 9, 2003, Jes Sorensen
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- Remove < 2.4.x support
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- Introduce HOST_LOCK to make the spin lock changes portable.
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- Remove a bunch of idiotic and unnecessary typedef's
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- Kill all leftovers of target-mode support which never worked anyway
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Rev 3.23.19 Beta April 11, 2002, Linus Torvalds
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- Do qla1280_pci_config() before calling request_irq() and
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request_region()
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- Use pci_dma_hi32() to handle upper word of DMA addresses instead
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of large shifts
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- Hand correct arguments to free_irq() in case of failure
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Rev 3.23.18 Beta April 11, 2002, Jes Sorensen
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- Run source through Lindent and clean up the output
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Rev 3.23.17 Beta April 11, 2002, Jes Sorensen
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- Update SCSI firmware to qla1280 v8.15.00 and qla12160 v10.04.32
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Rev 3.23.16 Beta March 19, 2002, Jes Sorensen
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- Rely on mailbox commands generating interrupts - do not
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run qla1280_isr() from ql1280_mailbox_command()
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- Remove device_reg_t
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- Integrate ql12160_set_target_parameters() with 1280 version
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- Make qla1280_setup() non static
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- Do not call qla1280_check_for_dead_scsi_bus() on every I/O request
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sent to the card - this command pauses the firmare!!!
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Rev 3.23.15 Beta March 19, 2002, Jes Sorensen
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- Clean up qla1280.h - remove obsolete QL_DEBUG_LEVEL_x definitions
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- Remove a pile of pointless and confusing (srb_t **) and
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(scsi_lu_t *) typecasts
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- Explicit mark that we do not use the new error handling (for now)
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- Remove scsi_qla_host_t and use 'struct' instead
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- Remove in_abort, watchdog_enabled, dpc, dpc_sched, bios_enabled,
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pci_64bit_slot flags which weren't used for anything anyway
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- Grab host->host_lock while calling qla1280_isr() from abort()
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- Use spin_lock()/spin_unlock() in qla1280_intr_handler() - we
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do not need to save/restore flags in the interrupt handler
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- Enable interrupts early (before any mailbox access) in preparation
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for cleaning up the mailbox handling
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Rev 3.23.14 Beta March 14, 2002, Jes Sorensen
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- Further cleanups. Remove all trace of QL_DEBUG_LEVEL_x and replace
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it with proper use of dprintk().
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- Make qla1280_print_scsi_cmd() and qla1280_dump_buffer() both take
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a debug level argument to determine if data is to be printed
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- Add KERN_* info to printk()
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Rev 3.23.13 Beta March 14, 2002, Jes Sorensen
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- Significant cosmetic cleanups
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- Change debug code to use dprintk() and remove #if mess
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Rev 3.23.12 Beta March 13, 2002, Jes Sorensen
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- More cosmetic cleanups, fix places treating return as function
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- use cpu_relax() in qla1280_debounce_register()
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Rev 3.23.11 Beta March 13, 2002, Jes Sorensen
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- Make it compile under 2.5.5
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Rev 3.23.10 Beta October 1, 2001, Jes Sorensen
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- Do no typecast short * to long * in QL1280BoardTbl, this
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broke miserably on big endian boxes
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Rev 3.23.9 Beta September 30, 2001, Jes Sorensen
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- Remove pre 2.2 hack for checking for reentrance in interrupt handler
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- Make data types used to receive from SCSI_{BUS,TCN,LUN}_32
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unsigned int to match the types from struct scsi_cmnd
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Rev 3.23.8 Beta September 29, 2001, Jes Sorensen
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- Remove bogus timer_t typedef from qla1280.h
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- Remove obsolete pre 2.2 PCI setup code, use proper #define's
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for PCI_ values, call pci_set_master()
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- Fix memleak of qla1280_buffer on module unload
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- Only compile module parsing code #ifdef MODULE - should be
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changed to use individual MODULE_PARM's later
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- Remove dummy_buffer that was never modified nor printed
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- ENTER()/LEAVE() are noops unless QL_DEBUG_LEVEL_3, hence remove
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#ifdef QL_DEBUG_LEVEL_3/#endif around ENTER()/LEAVE() calls
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- Remove \r from print statements, this is Linux, not DOS
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- Remove obsolete QLA1280_{SCSILU,INTR,RING}_{LOCK,UNLOCK}
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dummy macros
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- Remove C++ compile hack in header file as Linux driver are not
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supposed to be compiled as C++
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- Kill MS_64BITS macro as it makes the code more readable
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- Remove unnecessary flags.in_interrupts bit
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Rev 3.23.7 Beta August 20, 2001, Jes Sorensen
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- Dont' check for set flags on q->q_flag one by one in qla1280_next()
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- Check whether the interrupt was generated by the QLA1280 before
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doing any processing
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- qla1280_status_entry(): Only zero out part of sense_buffer that
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is not being copied into
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- Remove more superflouous typecasts
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- qla1280_32bit_start_scsi() replace home-brew memcpy() with memcpy()
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Rev 3.23.6 Beta August 20, 2001, Tony Luck, Intel
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- Don't walk the entire list in qla1280_putq_t() just to directly
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grab the pointer to the last element afterwards
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Rev 3.23.5 Beta August 9, 2001, Jes Sorensen
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- Don't use IRQF_DISABLED, it's use is deprecated for this kinda driver
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Rev 3.23.4 Beta August 8, 2001, Jes Sorensen
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- Set dev->max_sectors to 1024
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Rev 3.23.3 Beta August 6, 2001, Jes Sorensen
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- Provide compat macros for pci_enable_device(), pci_find_subsys()
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and scsi_set_pci_device()
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- Call scsi_set_pci_device() for all devices
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- Reduce size of kernel version dependent device probe code
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- Move duplicate probe/init code to separate function
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- Handle error if qla1280_mem_alloc() fails
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- Kill OFFSET() macro and use Linux's PCI definitions instead
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- Kill private structure defining PCI config space (struct config_reg)
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- Only allocate I/O port region if not in MMIO mode
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- Remove duplicate (unused) sanity check of sife of srb_t
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Rev 3.23.2 Beta August 6, 2001, Jes Sorensen
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- Change home-brew memset() implementations to use memset()
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- Remove all references to COMTRACE() - accessing a PC's COM2 serial
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port directly is not legal under Linux.
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Rev 3.23.1 Beta April 24, 2001, Jes Sorensen
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- Remove pre 2.2 kernel support
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- clean up 64 bit DMA setting to use 2.4 API (provide backwards compat)
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- Fix MMIO access to use readl/writel instead of directly
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dereferencing pointers
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- Nuke MSDOS debugging code
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- Change true/false data types to int from uint8_t
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- Use int for counters instead of uint8_t etc.
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- Clean up size & byte order conversion macro usage
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Rev 3.23 Beta January 11, 2001 BN Qlogic
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- Added check of device_id when handling non
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QLA12160s during detect().
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Rev 3.22 Beta January 5, 2001 BN Qlogic
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- Changed queue_task() to schedule_task()
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for kernels 2.4.0 and higher.
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Note: 2.4.0-testxx kernels released prior to
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the actual 2.4.0 kernel release on January 2001
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will get compile/link errors with schedule_task().
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Please update your kernel to released 2.4.0 level,
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or comment lines in this file flagged with 3.22
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to resolve compile/link error of schedule_task().
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- Added -DCONFIG_SMP in addition to -D__SMP__
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in Makefile for 2.4.0 builds of driver as module.
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Rev 3.21 Beta January 4, 2001 BN Qlogic
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- Changed criteria of 64/32 Bit mode of HBA
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operation according to BITS_PER_LONG rather
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than HBA's NVRAM setting of >4Gig memory bit;
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so that the HBA auto-configures without the need
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to setup each system individually.
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Rev 3.20 Beta December 5, 2000 BN Qlogic
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- Added priority handling to IA-64 onboard SCSI
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ISP12160 chip for kernels greater than 2.3.18.
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- Added irqrestore for qla1280_intr_handler.
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- Enabled /proc/scsi/qla1280 interface.
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- Clear /proc/scsi/qla1280 counters in detect().
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Rev 3.19 Beta October 13, 2000 BN Qlogic
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- Declare driver_template for new kernel
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(2.4.0 and greater) scsi initialization scheme.
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- Update /proc/scsi entry for 2.3.18 kernels and
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above as qla1280
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Rev 3.18 Beta October 10, 2000 BN Qlogic
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- Changed scan order of adapters to map
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the QLA12160 followed by the QLA1280.
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Rev 3.17 Beta September 18, 2000 BN Qlogic
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- Removed warnings for 32 bit 2.4.x compiles
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- Corrected declared size for request and response
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DMA addresses that are kept in each ha
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Rev. 3.16 Beta August 25, 2000 BN Qlogic
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- Corrected 64 bit addressing issue on IA-64
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where the upper 32 bits were not properly
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passed to the RISC engine.
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Rev. 3.15 Beta August 22, 2000 BN Qlogic
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- Modified qla1280_setup_chip to properly load
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ISP firmware for greater that 4 Gig memory on IA-64
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Rev. 3.14 Beta August 16, 2000 BN Qlogic
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- Added setting of dma_mask to full 64 bit
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if flags.enable_64bit_addressing is set in NVRAM
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Rev. 3.13 Beta August 16, 2000 BN Qlogic
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- Use new PCI DMA mapping APIs for 2.4.x kernel
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Rev. 3.12 July 18, 2000 Redhat & BN Qlogic
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- Added check of pci_enable_device to detect() for 2.3.x
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- Use pci_resource_start() instead of
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pdev->resource[0].start in detect() for 2.3.x
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- Updated driver version
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Rev. 3.11 July 14, 2000 BN Qlogic
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- Updated SCSI Firmware to following versions:
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qla1x80: 8.13.08
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qla1x160: 10.04.08
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- Updated driver version to 3.11
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Rev. 3.10 June 23, 2000 BN Qlogic
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- Added filtering of AMI SubSys Vendor ID devices
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Rev. 3.9
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- DEBUG_QLA1280 undefined and new version BN Qlogic
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Rev. 3.08b May 9, 2000 MD Dell
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- Added logic to check against AMI subsystem vendor ID
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Rev. 3.08 May 4, 2000 DG Qlogic
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- Added logic to check for PCI subsystem ID.
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Rev. 3.07 Apr 24, 2000 DG & BN Qlogic
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- Updated SCSI Firmware to following versions:
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qla12160: 10.01.19
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qla1280: 8.09.00
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Rev. 3.06 Apr 12, 2000 DG & BN Qlogic
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- Internal revision; not released
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Rev. 3.05 Mar 28, 2000 DG & BN Qlogic
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- Edit correction for virt_to_bus and PROC.
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Rev. 3.04 Mar 28, 2000 DG & BN Qlogic
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- Merge changes from ia64 port.
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Rev. 3.03 Mar 28, 2000 BN Qlogic
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- Increase version to reflect new code drop with compile fix
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of issue with inclusion of linux/spinlock for 2.3 kernels
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Rev. 3.02 Mar 15, 2000 BN Qlogic
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- Merge qla1280_proc_info from 2.10 code base
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Rev. 3.01 Feb 10, 2000 BN Qlogic
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- Corrected code to compile on a 2.2.x kernel.
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Rev. 3.00 Jan 17, 2000 DG Qlogic
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- Added 64-bit support.
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Rev. 2.07 Nov 9, 1999 DG Qlogic
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- Added new routine to set target parameters for ISP12160.
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Rev. 2.06 Sept 10, 1999 DG Qlogic
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- Added support for ISP12160 Ultra 3 chip.
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Rev. 2.03 August 3, 1999 Fred Lewis, Intel DuPont
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- Modified code to remove errors generated when compiling with
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Cygnus IA64 Compiler.
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- Changed conversion of pointers to unsigned longs instead of integers.
|
|
- Changed type of I/O port variables from uint32_t to unsigned long.
|
|
- Modified OFFSET macro to work with 64-bit as well as 32-bit.
|
|
- Changed sprintf and printk format specifiers for pointers to %p.
|
|
- Changed some int to long type casts where needed in sprintf & printk.
|
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- Added l modifiers to sprintf and printk format specifiers for longs.
|
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- Removed unused local variables.
|
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Rev. 1.20 June 8, 1999 DG, Qlogic
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Changes to support RedHat release 6.0 (kernel 2.2.5).
|
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- Added SCSI exclusive access lock (io_request_lock) when accessing
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the adapter.
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- Added changes for the new LINUX interface template. Some new error
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handling routines have been added to the template, but for now we
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will use the old ones.
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- Initial Beta Release.
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*****************************************************************************/
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#include <linux/module.h>
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#include <linux/version.h>
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#include <linux/types.h>
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#include <linux/string.h>
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#include <linux/errno.h>
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#include <linux/kernel.h>
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#include <linux/ioport.h>
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#include <linux/delay.h>
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#include <linux/timer.h>
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#include <linux/pci.h>
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#include <linux/proc_fs.h>
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#include <linux/stat.h>
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#include <linux/slab.h>
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#include <linux/pci_ids.h>
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#include <linux/interrupt.h>
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#include <linux/init.h>
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#include <linux/dma-mapping.h>
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#include <asm/io.h>
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#include <asm/irq.h>
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#include <asm/byteorder.h>
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#include <asm/processor.h>
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#include <asm/types.h>
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#include <asm/system.h>
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#include <scsi/scsi.h>
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#include <scsi/scsi_cmnd.h>
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#include <scsi/scsi_device.h>
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#include <scsi/scsi_host.h>
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#include <scsi/scsi_tcq.h>
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#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
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#include <asm/sn/io.h>
|
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#endif
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#if LINUX_VERSION_CODE < 0x020600
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#error "Kernels older than 2.6.0 are no longer supported"
|
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#endif
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|
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/*
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* Compile time Options:
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* 0 - Disable and 1 - Enable
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*/
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#define DEBUG_QLA1280_INTR 0
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#define DEBUG_PRINT_NVRAM 0
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#define DEBUG_QLA1280 0
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|
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/*
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* The SGI VISWS is broken and doesn't support MMIO ;-(
|
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*/
|
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#ifdef CONFIG_X86_VISWS
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#define MEMORY_MAPPED_IO 0
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#else
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#define MEMORY_MAPPED_IO 1
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#endif
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#define UNIQUE_FW_NAME
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#include "qla1280.h"
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#include "ql12160_fw.h" /* ISP RISC codes */
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#include "ql1280_fw.h"
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#include "ql1040_fw.h"
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#ifndef BITS_PER_LONG
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#error "BITS_PER_LONG not defined!"
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#endif
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#if (BITS_PER_LONG == 64) || defined CONFIG_HIGHMEM
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#define QLA_64BIT_PTR 1
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#endif
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#ifdef QLA_64BIT_PTR
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#define pci_dma_hi32(a) ((a >> 16) >> 16)
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#else
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#define pci_dma_hi32(a) 0
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#endif
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#define pci_dma_lo32(a) (a & 0xffffffff)
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|
|
#define NVRAM_DELAY() udelay(500) /* 2 microseconds */
|
|
|
|
#if defined(__ia64__) && !defined(ia64_platform_is)
|
|
#define ia64_platform_is(foo) (!strcmp(x, platform_name))
|
|
#endif
|
|
|
|
|
|
#define IS_ISP1040(ha) (ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP1020)
|
|
#define IS_ISP1x40(ha) (ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP1020 || \
|
|
ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP1240)
|
|
#define IS_ISP1x160(ha) (ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP10160 || \
|
|
ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP12160)
|
|
|
|
|
|
static int qla1280_probe_one(struct pci_dev *, const struct pci_device_id *);
|
|
static void qla1280_remove_one(struct pci_dev *);
|
|
|
|
/*
|
|
* QLogic Driver Support Function Prototypes.
|
|
*/
|
|
static void qla1280_done(struct scsi_qla_host *);
|
|
static int qla1280_get_token(char *);
|
|
static int qla1280_setup(char *s) __init;
|
|
|
|
/*
|
|
* QLogic ISP1280 Hardware Support Function Prototypes.
|
|
*/
|
|
static int qla1280_load_firmware(struct scsi_qla_host *);
|
|
static int qla1280_init_rings(struct scsi_qla_host *);
|
|
static int qla1280_nvram_config(struct scsi_qla_host *);
|
|
static int qla1280_mailbox_command(struct scsi_qla_host *,
|
|
uint8_t, uint16_t *);
|
|
static int qla1280_bus_reset(struct scsi_qla_host *, int);
|
|
static int qla1280_device_reset(struct scsi_qla_host *, int, int);
|
|
static int qla1280_abort_device(struct scsi_qla_host *, int, int, int);
|
|
static int qla1280_abort_command(struct scsi_qla_host *, struct srb *, int);
|
|
static int qla1280_abort_isp(struct scsi_qla_host *);
|
|
#ifdef QLA_64BIT_PTR
|
|
static int qla1280_64bit_start_scsi(struct scsi_qla_host *, struct srb *);
|
|
#else
|
|
static int qla1280_32bit_start_scsi(struct scsi_qla_host *, struct srb *);
|
|
#endif
|
|
static void qla1280_nv_write(struct scsi_qla_host *, uint16_t);
|
|
static void qla1280_poll(struct scsi_qla_host *);
|
|
static void qla1280_reset_adapter(struct scsi_qla_host *);
|
|
static void qla1280_marker(struct scsi_qla_host *, int, int, int, u8);
|
|
static void qla1280_isp_cmd(struct scsi_qla_host *);
|
|
static void qla1280_isr(struct scsi_qla_host *, struct list_head *);
|
|
static void qla1280_rst_aen(struct scsi_qla_host *);
|
|
static void qla1280_status_entry(struct scsi_qla_host *, struct response *,
|
|
struct list_head *);
|
|
static void qla1280_error_entry(struct scsi_qla_host *, struct response *,
|
|
struct list_head *);
|
|
static uint16_t qla1280_get_nvram_word(struct scsi_qla_host *, uint32_t);
|
|
static uint16_t qla1280_nvram_request(struct scsi_qla_host *, uint32_t);
|
|
static uint16_t qla1280_debounce_register(volatile uint16_t __iomem *);
|
|
static request_t *qla1280_req_pkt(struct scsi_qla_host *);
|
|
static int qla1280_check_for_dead_scsi_bus(struct scsi_qla_host *,
|
|
unsigned int);
|
|
static void qla1280_get_target_parameters(struct scsi_qla_host *,
|
|
struct scsi_device *);
|
|
static int qla1280_set_target_parameters(struct scsi_qla_host *, int, int);
|
|
|
|
|
|
static struct qla_driver_setup driver_setup;
|
|
|
|
/*
|
|
* convert scsi data direction to request_t control flags
|
|
*/
|
|
static inline uint16_t
|
|
qla1280_data_direction(struct scsi_cmnd *cmnd)
|
|
{
|
|
switch(cmnd->sc_data_direction) {
|
|
case DMA_FROM_DEVICE:
|
|
return BIT_5;
|
|
case DMA_TO_DEVICE:
|
|
return BIT_6;
|
|
case DMA_BIDIRECTIONAL:
|
|
return BIT_5 | BIT_6;
|
|
/*
|
|
* We could BUG() on default here if one of the four cases aren't
|
|
* met, but then again if we receive something like that from the
|
|
* SCSI layer we have more serious problems. This shuts up GCC.
|
|
*/
|
|
case DMA_NONE:
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
#if DEBUG_QLA1280
|
|
static void __qla1280_print_scsi_cmd(struct scsi_cmnd * cmd);
|
|
static void __qla1280_dump_buffer(char *, int);
|
|
#endif
|
|
|
|
|
|
/*
|
|
* insmod needs to find the variable and make it point to something
|
|
*/
|
|
#ifdef MODULE
|
|
static char *qla1280;
|
|
|
|
/* insmod qla1280 options=verbose" */
|
|
module_param(qla1280, charp, 0);
|
|
#else
|
|
__setup("qla1280=", qla1280_setup);
|
|
#endif
|
|
|
|
|
|
/*
|
|
* We use the scsi_pointer structure that's included with each scsi_command
|
|
* to overlay our struct srb over it. qla1280_init() checks that a srb is not
|
|
* bigger than a scsi_pointer.
|
|
*/
|
|
|
|
#define CMD_SP(Cmnd) &Cmnd->SCp
|
|
#define CMD_CDBLEN(Cmnd) Cmnd->cmd_len
|
|
#define CMD_CDBP(Cmnd) Cmnd->cmnd
|
|
#define CMD_SNSP(Cmnd) Cmnd->sense_buffer
|
|
#define CMD_SNSLEN(Cmnd) sizeof(Cmnd->sense_buffer)
|
|
#define CMD_RESULT(Cmnd) Cmnd->result
|
|
#define CMD_HANDLE(Cmnd) Cmnd->host_scribble
|
|
#define CMD_REQUEST(Cmnd) Cmnd->request->cmd
|
|
|
|
#define CMD_HOST(Cmnd) Cmnd->device->host
|
|
#define SCSI_BUS_32(Cmnd) Cmnd->device->channel
|
|
#define SCSI_TCN_32(Cmnd) Cmnd->device->id
|
|
#define SCSI_LUN_32(Cmnd) Cmnd->device->lun
|
|
|
|
|
|
/*****************************************/
|
|
/* ISP Boards supported by this driver */
|
|
/*****************************************/
|
|
|
|
struct qla_boards {
|
|
unsigned char name[9]; /* Board ID String */
|
|
int numPorts; /* Number of SCSI ports */
|
|
unsigned short *fwcode; /* pointer to FW array */
|
|
unsigned short *fwlen; /* number of words in array */
|
|
unsigned short *fwstart; /* start address for F/W */
|
|
unsigned char *fwver; /* Ptr to F/W version array */
|
|
};
|
|
|
|
/* NOTE: the last argument in each entry is used to index ql1280_board_tbl */
|
|
static struct pci_device_id qla1280_pci_tbl[] = {
|
|
{PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP12160,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
|
|
{PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP1020,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
|
|
{PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP1080,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2},
|
|
{PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP1240,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3},
|
|
{PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP1280,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4},
|
|
{PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP10160,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 5},
|
|
{0,}
|
|
};
|
|
MODULE_DEVICE_TABLE(pci, qla1280_pci_tbl);
|
|
|
|
static struct qla_boards ql1280_board_tbl[] = {
|
|
/* Name , Number of ports, FW details */
|
|
{"QLA12160", 2, &fw12160i_code01[0], &fw12160i_length01,
|
|
&fw12160i_addr01, &fw12160i_version_str[0]},
|
|
{"QLA1040", 1, &risc_code01[0], &risc_code_length01,
|
|
&risc_code_addr01, &firmware_version[0]},
|
|
{"QLA1080", 1, &fw1280ei_code01[0], &fw1280ei_length01,
|
|
&fw1280ei_addr01, &fw1280ei_version_str[0]},
|
|
{"QLA1240", 2, &fw1280ei_code01[0], &fw1280ei_length01,
|
|
&fw1280ei_addr01, &fw1280ei_version_str[0]},
|
|
{"QLA1280", 2, &fw1280ei_code01[0], &fw1280ei_length01,
|
|
&fw1280ei_addr01, &fw1280ei_version_str[0]},
|
|
{"QLA10160", 1, &fw12160i_code01[0], &fw12160i_length01,
|
|
&fw12160i_addr01, &fw12160i_version_str[0]},
|
|
{" ", 0}
|
|
};
|
|
|
|
static int qla1280_verbose = 1;
|
|
|
|
#if DEBUG_QLA1280
|
|
static int ql_debug_level = 1;
|
|
#define dprintk(level, format, a...) \
|
|
do { if (ql_debug_level >= level) printk(KERN_ERR format, ##a); } while(0)
|
|
#define qla1280_dump_buffer(level, buf, size) \
|
|
if (ql_debug_level >= level) __qla1280_dump_buffer(buf, size)
|
|
#define qla1280_print_scsi_cmd(level, cmd) \
|
|
if (ql_debug_level >= level) __qla1280_print_scsi_cmd(cmd)
|
|
#else
|
|
#define ql_debug_level 0
|
|
#define dprintk(level, format, a...) do{}while(0)
|
|
#define qla1280_dump_buffer(a, b, c) do{}while(0)
|
|
#define qla1280_print_scsi_cmd(a, b) do{}while(0)
|
|
#endif
|
|
|
|
#define ENTER(x) dprintk(3, "qla1280 : Entering %s()\n", x);
|
|
#define LEAVE(x) dprintk(3, "qla1280 : Leaving %s()\n", x);
|
|
#define ENTER_INTR(x) dprintk(4, "qla1280 : Entering %s()\n", x);
|
|
#define LEAVE_INTR(x) dprintk(4, "qla1280 : Leaving %s()\n", x);
|
|
|
|
|
|
static int qla1280_read_nvram(struct scsi_qla_host *ha)
|
|
{
|
|
uint16_t *wptr;
|
|
uint8_t chksum;
|
|
int cnt, i;
|
|
struct nvram *nv;
|
|
|
|
ENTER("qla1280_read_nvram");
|
|
|
|
if (driver_setup.no_nvram)
|
|
return 1;
|
|
|
|
printk(KERN_INFO "scsi(%ld): Reading NVRAM\n", ha->host_no);
|
|
|
|
wptr = (uint16_t *)&ha->nvram;
|
|
nv = &ha->nvram;
|
|
chksum = 0;
|
|
for (cnt = 0; cnt < 3; cnt++) {
|
|
*wptr = qla1280_get_nvram_word(ha, cnt);
|
|
chksum += *wptr & 0xff;
|
|
chksum += (*wptr >> 8) & 0xff;
|
|
wptr++;
|
|
}
|
|
|
|
if (nv->id0 != 'I' || nv->id1 != 'S' ||
|
|
nv->id2 != 'P' || nv->id3 != ' ' || nv->version < 1) {
|
|
dprintk(2, "Invalid nvram ID or version!\n");
|
|
chksum = 1;
|
|
} else {
|
|
for (; cnt < sizeof(struct nvram); cnt++) {
|
|
*wptr = qla1280_get_nvram_word(ha, cnt);
|
|
chksum += *wptr & 0xff;
|
|
chksum += (*wptr >> 8) & 0xff;
|
|
wptr++;
|
|
}
|
|
}
|
|
|
|
dprintk(3, "qla1280_read_nvram: NVRAM Magic ID= %c %c %c %02x"
|
|
" version %i\n", nv->id0, nv->id1, nv->id2, nv->id3,
|
|
nv->version);
|
|
|
|
|
|
if (chksum) {
|
|
if (!driver_setup.no_nvram)
|
|
printk(KERN_WARNING "scsi(%ld): Unable to identify or "
|
|
"validate NVRAM checksum, using default "
|
|
"settings\n", ha->host_no);
|
|
ha->nvram_valid = 0;
|
|
} else
|
|
ha->nvram_valid = 1;
|
|
|
|
/* The firmware interface is, um, interesting, in that the
|
|
* actual firmware image on the chip is little endian, thus,
|
|
* the process of taking that image to the CPU would end up
|
|
* little endian. However, the firmare interface requires it
|
|
* to be read a word (two bytes) at a time.
|
|
*
|
|
* The net result of this would be that the word (and
|
|
* doubleword) quantites in the firmware would be correct, but
|
|
* the bytes would be pairwise reversed. Since most of the
|
|
* firmware quantites are, in fact, bytes, we do an extra
|
|
* le16_to_cpu() in the firmware read routine.
|
|
*
|
|
* The upshot of all this is that the bytes in the firmware
|
|
* are in the correct places, but the 16 and 32 bit quantites
|
|
* are still in little endian format. We fix that up below by
|
|
* doing extra reverses on them */
|
|
nv->isp_parameter = cpu_to_le16(nv->isp_parameter);
|
|
nv->firmware_feature.w = cpu_to_le16(nv->firmware_feature.w);
|
|
for(i = 0; i < MAX_BUSES; i++) {
|
|
nv->bus[i].selection_timeout = cpu_to_le16(nv->bus[i].selection_timeout);
|
|
nv->bus[i].max_queue_depth = cpu_to_le16(nv->bus[i].max_queue_depth);
|
|
}
|
|
dprintk(1, "qla1280_read_nvram: Completed Reading NVRAM\n");
|
|
LEAVE("qla1280_read_nvram");
|
|
|
|
return chksum;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* qla1280_info
|
|
* Return a string describing the driver.
|
|
**************************************************************************/
|
|
static const char *
|
|
qla1280_info(struct Scsi_Host *host)
|
|
{
|
|
static char qla1280_scsi_name_buffer[125];
|
|
char *bp;
|
|
struct scsi_qla_host *ha;
|
|
struct qla_boards *bdp;
|
|
|
|
bp = &qla1280_scsi_name_buffer[0];
|
|
ha = (struct scsi_qla_host *)host->hostdata;
|
|
bdp = &ql1280_board_tbl[ha->devnum];
|
|
memset(bp, 0, sizeof(qla1280_scsi_name_buffer));
|
|
|
|
sprintf (bp,
|
|
"QLogic %s PCI to SCSI Host Adapter\n"
|
|
" Firmware version: %2d.%02d.%02d, Driver version %s",
|
|
&bdp->name[0], bdp->fwver[0], bdp->fwver[1], bdp->fwver[2],
|
|
QLA1280_VERSION);
|
|
return bp;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* qla1200_queuecommand
|
|
* Queue a command to the controller.
|
|
*
|
|
* Note:
|
|
* The mid-level driver tries to ensures that queuecommand never gets invoked
|
|
* concurrently with itself or the interrupt handler (although the
|
|
* interrupt handler may call this routine as part of request-completion
|
|
* handling). Unfortunely, it sometimes calls the scheduler in interrupt
|
|
* context which is a big NO! NO!.
|
|
**************************************************************************/
|
|
static int
|
|
qla1280_queuecommand(struct scsi_cmnd *cmd, void (*fn)(struct scsi_cmnd *))
|
|
{
|
|
struct Scsi_Host *host = cmd->device->host;
|
|
struct scsi_qla_host *ha = (struct scsi_qla_host *)host->hostdata;
|
|
struct srb *sp = (struct srb *)&cmd->SCp;
|
|
int status;
|
|
|
|
cmd->scsi_done = fn;
|
|
sp->cmd = cmd;
|
|
sp->flags = 0;
|
|
|
|
qla1280_print_scsi_cmd(5, cmd);
|
|
|
|
#ifdef QLA_64BIT_PTR
|
|
/*
|
|
* Using 64 bit commands if the PCI bridge doesn't support it is a
|
|
* bit wasteful, however this should really only happen if one's
|
|
* PCI controller is completely broken, like the BCM1250. For
|
|
* sane hardware this is not an issue.
|
|
*/
|
|
status = qla1280_64bit_start_scsi(ha, sp);
|
|
#else
|
|
status = qla1280_32bit_start_scsi(ha, sp);
|
|
#endif
|
|
return status;
|
|
}
|
|
|
|
enum action {
|
|
ABORT_COMMAND,
|
|
ABORT_DEVICE,
|
|
DEVICE_RESET,
|
|
BUS_RESET,
|
|
ADAPTER_RESET,
|
|
FAIL
|
|
};
|
|
|
|
/* timer action for error action processor */
|
|
static void qla1280_error_wait_timeout(unsigned long __data)
|
|
{
|
|
struct scsi_cmnd *cmd = (struct scsi_cmnd *)__data;
|
|
struct srb *sp = (struct srb *)CMD_SP(cmd);
|
|
|
|
complete(sp->wait);
|
|
}
|
|
|
|
static void qla1280_mailbox_timeout(unsigned long __data)
|
|
{
|
|
struct scsi_qla_host *ha = (struct scsi_qla_host *)__data;
|
|
struct device_reg __iomem *reg;
|
|
reg = ha->iobase;
|
|
|
|
ha->mailbox_out[0] = RD_REG_WORD(®->mailbox0);
|
|
printk(KERN_ERR "scsi(%ld): mailbox timed out, mailbox0 %04x, "
|
|
"ictrl %04x, istatus %04x\n", ha->host_no, ha->mailbox_out[0],
|
|
RD_REG_WORD(®->ictrl), RD_REG_WORD(®->istatus));
|
|
complete(ha->mailbox_wait);
|
|
}
|
|
|
|
/**************************************************************************
|
|
* qla1200_error_action
|
|
* The function will attempt to perform a specified error action and
|
|
* wait for the results (or time out).
|
|
*
|
|
* Input:
|
|
* cmd = Linux SCSI command packet of the command that cause the
|
|
* bus reset.
|
|
* action = error action to take (see action_t)
|
|
*
|
|
* Returns:
|
|
* SUCCESS or FAILED
|
|
*
|
|
* Note:
|
|
* Resetting the bus always succeeds - is has to, otherwise the
|
|
* kernel will panic! Try a surgical technique - sending a BUS
|
|
* DEVICE RESET message - on the offending target before pulling
|
|
* the SCSI bus reset line.
|
|
**************************************************************************/
|
|
static int
|
|
qla1280_error_action(struct scsi_cmnd *cmd, enum action action)
|
|
{
|
|
struct scsi_qla_host *ha;
|
|
int bus, target, lun;
|
|
struct srb *sp;
|
|
uint16_t data;
|
|
unsigned char *handle;
|
|
int result, i;
|
|
DECLARE_COMPLETION_ONSTACK(wait);
|
|
struct timer_list timer;
|
|
|
|
ha = (struct scsi_qla_host *)(CMD_HOST(cmd)->hostdata);
|
|
|
|
dprintk(4, "error_action %i, istatus 0x%04x\n", action,
|
|
RD_REG_WORD(&ha->iobase->istatus));
|
|
|
|
dprintk(4, "host_cmd 0x%04x, ictrl 0x%04x, jiffies %li\n",
|
|
RD_REG_WORD(&ha->iobase->host_cmd),
|
|
RD_REG_WORD(&ha->iobase->ictrl), jiffies);
|
|
|
|
ENTER("qla1280_error_action");
|
|
if (qla1280_verbose)
|
|
printk(KERN_INFO "scsi(%li): Resetting Cmnd=0x%p, "
|
|
"Handle=0x%p, action=0x%x\n",
|
|
ha->host_no, cmd, CMD_HANDLE(cmd), action);
|
|
|
|
if (cmd == NULL) {
|
|
printk(KERN_WARNING "(scsi?:?:?:?) Reset called with NULL "
|
|
"si_Cmnd pointer, failing.\n");
|
|
LEAVE("qla1280_error_action");
|
|
return FAILED;
|
|
}
|
|
|
|
ha = (struct scsi_qla_host *)cmd->device->host->hostdata;
|
|
sp = (struct srb *)CMD_SP(cmd);
|
|
handle = CMD_HANDLE(cmd);
|
|
|
|
/* Check for pending interrupts. */
|
|
data = qla1280_debounce_register(&ha->iobase->istatus);
|
|
/*
|
|
* The io_request_lock is held when the reset handler is called, hence
|
|
* the interrupt handler cannot be running in parallel as it also
|
|
* grabs the lock. /Jes
|
|
*/
|
|
if (data & RISC_INT)
|
|
qla1280_isr(ha, &ha->done_q);
|
|
|
|
/*
|
|
* Determine the suggested action that the mid-level driver wants
|
|
* us to perform.
|
|
*/
|
|
if (handle == (unsigned char *)INVALID_HANDLE || handle == NULL) {
|
|
if(action == ABORT_COMMAND) {
|
|
/* we never got this command */
|
|
printk(KERN_INFO "qla1280: Aborting a NULL handle\n");
|
|
return SUCCESS; /* no action - we don't have command */
|
|
}
|
|
} else {
|
|
sp->wait = &wait;
|
|
}
|
|
|
|
bus = SCSI_BUS_32(cmd);
|
|
target = SCSI_TCN_32(cmd);
|
|
lun = SCSI_LUN_32(cmd);
|
|
|
|
/* Overloading result. Here it means the success or fail of the
|
|
* *issue* of the action. When we return from the routine, it must
|
|
* mean the actual success or fail of the action */
|
|
result = FAILED;
|
|
switch (action) {
|
|
case FAIL:
|
|
break;
|
|
|
|
case ABORT_COMMAND:
|
|
if ((sp->flags & SRB_ABORT_PENDING)) {
|
|
printk(KERN_WARNING
|
|
"scsi(): Command has a pending abort "
|
|
"message - ABORT_PENDING.\n");
|
|
/* This should technically be impossible since we
|
|
* now wait for abort completion */
|
|
break;
|
|
}
|
|
|
|
for (i = 0; i < MAX_OUTSTANDING_COMMANDS; i++) {
|
|
if (sp == ha->outstanding_cmds[i]) {
|
|
dprintk(1, "qla1280: RISC aborting command\n");
|
|
if (qla1280_abort_command(ha, sp, i) == 0)
|
|
result = SUCCESS;
|
|
else {
|
|
/*
|
|
* Since we don't know what might
|
|
* have happend to the command, it
|
|
* is unsafe to remove it from the
|
|
* device's queue at this point.
|
|
* Wait and let the escalation
|
|
* process take care of it.
|
|
*/
|
|
printk(KERN_WARNING
|
|
"scsi(%li:%i:%i:%i): Unable"
|
|
" to abort command!\n",
|
|
ha->host_no, bus, target, lun);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case ABORT_DEVICE:
|
|
if (qla1280_verbose)
|
|
printk(KERN_INFO
|
|
"scsi(%ld:%d:%d:%d): Queueing abort device "
|
|
"command.\n", ha->host_no, bus, target, lun);
|
|
if (qla1280_abort_device(ha, bus, target, lun) == 0)
|
|
result = SUCCESS;
|
|
break;
|
|
|
|
case DEVICE_RESET:
|
|
if (qla1280_verbose)
|
|
printk(KERN_INFO
|
|
"scsi(%ld:%d:%d:%d): Queueing device reset "
|
|
"command.\n", ha->host_no, bus, target, lun);
|
|
if (qla1280_device_reset(ha, bus, target) == 0)
|
|
result = SUCCESS;
|
|
break;
|
|
|
|
case BUS_RESET:
|
|
if (qla1280_verbose)
|
|
printk(KERN_INFO "qla1280(%ld:%d): Issued bus "
|
|
"reset.\n", ha->host_no, bus);
|
|
if (qla1280_bus_reset(ha, bus) == 0)
|
|
result = SUCCESS;
|
|
break;
|
|
|
|
case ADAPTER_RESET:
|
|
default:
|
|
if (qla1280_verbose) {
|
|
printk(KERN_INFO
|
|
"scsi(%ld): Issued ADAPTER RESET\n",
|
|
ha->host_no);
|
|
printk(KERN_INFO "scsi(%ld): I/O processing will "
|
|
"continue automatically\n", ha->host_no);
|
|
}
|
|
ha->flags.reset_active = 1;
|
|
/*
|
|
* We restarted all of the commands automatically, so the
|
|
* mid-level code can expect completions momentitarily.
|
|
*/
|
|
if (qla1280_abort_isp(ha) == 0)
|
|
result = SUCCESS;
|
|
|
|
ha->flags.reset_active = 0;
|
|
}
|
|
|
|
if (!list_empty(&ha->done_q))
|
|
qla1280_done(ha);
|
|
|
|
/* If we didn't manage to issue the action, or we have no
|
|
* command to wait for, exit here */
|
|
if (result == FAILED || handle == NULL ||
|
|
handle == (unsigned char *)INVALID_HANDLE) {
|
|
/*
|
|
* Clear completion queue to avoid qla1280_done() trying
|
|
* to complete the command at a later stage after we
|
|
* have exited the current context
|
|
*/
|
|
sp->wait = NULL;
|
|
goto leave;
|
|
}
|
|
|
|
/* set up a timer just in case we're really jammed */
|
|
init_timer(&timer);
|
|
timer.expires = jiffies + 4*HZ;
|
|
timer.data = (unsigned long)cmd;
|
|
timer.function = qla1280_error_wait_timeout;
|
|
add_timer(&timer);
|
|
|
|
/* wait for the action to complete (or the timer to expire) */
|
|
spin_unlock_irq(ha->host->host_lock);
|
|
wait_for_completion(&wait);
|
|
del_timer_sync(&timer);
|
|
spin_lock_irq(ha->host->host_lock);
|
|
sp->wait = NULL;
|
|
|
|
/* the only action we might get a fail for is abort */
|
|
if (action == ABORT_COMMAND) {
|
|
if(sp->flags & SRB_ABORTED)
|
|
result = SUCCESS;
|
|
else
|
|
result = FAILED;
|
|
}
|
|
|
|
leave:
|
|
dprintk(1, "RESET returning %d\n", result);
|
|
|
|
LEAVE("qla1280_error_action");
|
|
return result;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* qla1280_abort
|
|
* Abort the specified SCSI command(s).
|
|
**************************************************************************/
|
|
static int
|
|
qla1280_eh_abort(struct scsi_cmnd * cmd)
|
|
{
|
|
int rc;
|
|
|
|
spin_lock_irq(cmd->device->host->host_lock);
|
|
rc = qla1280_error_action(cmd, ABORT_COMMAND);
|
|
spin_unlock_irq(cmd->device->host->host_lock);
|
|
|
|
return rc;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* qla1280_device_reset
|
|
* Reset the specified SCSI device
|
|
**************************************************************************/
|
|
static int
|
|
qla1280_eh_device_reset(struct scsi_cmnd *cmd)
|
|
{
|
|
int rc;
|
|
|
|
spin_lock_irq(cmd->device->host->host_lock);
|
|
rc = qla1280_error_action(cmd, DEVICE_RESET);
|
|
spin_unlock_irq(cmd->device->host->host_lock);
|
|
|
|
return rc;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* qla1280_bus_reset
|
|
* Reset the specified bus.
|
|
**************************************************************************/
|
|
static int
|
|
qla1280_eh_bus_reset(struct scsi_cmnd *cmd)
|
|
{
|
|
int rc;
|
|
|
|
spin_lock_irq(cmd->device->host->host_lock);
|
|
rc = qla1280_error_action(cmd, BUS_RESET);
|
|
spin_unlock_irq(cmd->device->host->host_lock);
|
|
|
|
return rc;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* qla1280_adapter_reset
|
|
* Reset the specified adapter (both channels)
|
|
**************************************************************************/
|
|
static int
|
|
qla1280_eh_adapter_reset(struct scsi_cmnd *cmd)
|
|
{
|
|
int rc;
|
|
|
|
spin_lock_irq(cmd->device->host->host_lock);
|
|
rc = qla1280_error_action(cmd, ADAPTER_RESET);
|
|
spin_unlock_irq(cmd->device->host->host_lock);
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int
|
|
qla1280_biosparam(struct scsi_device *sdev, struct block_device *bdev,
|
|
sector_t capacity, int geom[])
|
|
{
|
|
int heads, sectors, cylinders;
|
|
|
|
heads = 64;
|
|
sectors = 32;
|
|
cylinders = (unsigned long)capacity / (heads * sectors);
|
|
if (cylinders > 1024) {
|
|
heads = 255;
|
|
sectors = 63;
|
|
cylinders = (unsigned long)capacity / (heads * sectors);
|
|
/* if (cylinders > 1023)
|
|
cylinders = 1023; */
|
|
}
|
|
|
|
geom[0] = heads;
|
|
geom[1] = sectors;
|
|
geom[2] = cylinders;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/* disable risc and host interrupts */
|
|
static inline void
|
|
qla1280_disable_intrs(struct scsi_qla_host *ha)
|
|
{
|
|
WRT_REG_WORD(&ha->iobase->ictrl, 0);
|
|
RD_REG_WORD(&ha->iobase->ictrl); /* PCI Posted Write flush */
|
|
}
|
|
|
|
/* enable risc and host interrupts */
|
|
static inline void
|
|
qla1280_enable_intrs(struct scsi_qla_host *ha)
|
|
{
|
|
WRT_REG_WORD(&ha->iobase->ictrl, (ISP_EN_INT | ISP_EN_RISC));
|
|
RD_REG_WORD(&ha->iobase->ictrl); /* PCI Posted Write flush */
|
|
}
|
|
|
|
/**************************************************************************
|
|
* qla1280_intr_handler
|
|
* Handles the H/W interrupt
|
|
**************************************************************************/
|
|
static irqreturn_t
|
|
qla1280_intr_handler(int irq, void *dev_id)
|
|
{
|
|
struct scsi_qla_host *ha;
|
|
struct device_reg __iomem *reg;
|
|
u16 data;
|
|
int handled = 0;
|
|
|
|
ENTER_INTR ("qla1280_intr_handler");
|
|
ha = (struct scsi_qla_host *)dev_id;
|
|
|
|
spin_lock(ha->host->host_lock);
|
|
|
|
ha->isr_count++;
|
|
reg = ha->iobase;
|
|
|
|
qla1280_disable_intrs(ha);
|
|
|
|
data = qla1280_debounce_register(®->istatus);
|
|
/* Check for pending interrupts. */
|
|
if (data & RISC_INT) {
|
|
qla1280_isr(ha, &ha->done_q);
|
|
handled = 1;
|
|
}
|
|
if (!list_empty(&ha->done_q))
|
|
qla1280_done(ha);
|
|
|
|
spin_unlock(ha->host->host_lock);
|
|
|
|
qla1280_enable_intrs(ha);
|
|
|
|
LEAVE_INTR("qla1280_intr_handler");
|
|
return IRQ_RETVAL(handled);
|
|
}
|
|
|
|
|
|
static int
|
|
qla1280_set_target_parameters(struct scsi_qla_host *ha, int bus, int target)
|
|
{
|
|
uint8_t mr;
|
|
uint16_t mb[MAILBOX_REGISTER_COUNT];
|
|
struct nvram *nv;
|
|
int status, lun;
|
|
|
|
nv = &ha->nvram;
|
|
|
|
mr = BIT_3 | BIT_2 | BIT_1 | BIT_0;
|
|
|
|
/* Set Target Parameters. */
|
|
mb[0] = MBC_SET_TARGET_PARAMETERS;
|
|
mb[1] = (uint16_t)((bus ? target | BIT_7 : target) << 8);
|
|
mb[2] = nv->bus[bus].target[target].parameter.renegotiate_on_error << 8;
|
|
mb[2] |= nv->bus[bus].target[target].parameter.stop_queue_on_check << 9;
|
|
mb[2] |= nv->bus[bus].target[target].parameter.auto_request_sense << 10;
|
|
mb[2] |= nv->bus[bus].target[target].parameter.tag_queuing << 11;
|
|
mb[2] |= nv->bus[bus].target[target].parameter.enable_sync << 12;
|
|
mb[2] |= nv->bus[bus].target[target].parameter.enable_wide << 13;
|
|
mb[2] |= nv->bus[bus].target[target].parameter.parity_checking << 14;
|
|
mb[2] |= nv->bus[bus].target[target].parameter.disconnect_allowed << 15;
|
|
|
|
if (IS_ISP1x160(ha)) {
|
|
mb[2] |= nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr << 5;
|
|
mb[3] = (nv->bus[bus].target[target].flags.flags1x160.sync_offset << 8);
|
|
mb[6] = (nv->bus[bus].target[target].ppr_1x160.flags.ppr_options << 8) |
|
|
nv->bus[bus].target[target].ppr_1x160.flags.ppr_bus_width;
|
|
mr |= BIT_6;
|
|
} else {
|
|
mb[3] = (nv->bus[bus].target[target].flags.flags1x80.sync_offset << 8);
|
|
}
|
|
mb[3] |= nv->bus[bus].target[target].sync_period;
|
|
|
|
status = qla1280_mailbox_command(ha, mr, mb);
|
|
|
|
/* Set Device Queue Parameters. */
|
|
for (lun = 0; lun < MAX_LUNS; lun++) {
|
|
mb[0] = MBC_SET_DEVICE_QUEUE;
|
|
mb[1] = (uint16_t)((bus ? target | BIT_7 : target) << 8);
|
|
mb[1] |= lun;
|
|
mb[2] = nv->bus[bus].max_queue_depth;
|
|
mb[3] = nv->bus[bus].target[target].execution_throttle;
|
|
status |= qla1280_mailbox_command(ha, 0x0f, mb);
|
|
}
|
|
|
|
if (status)
|
|
printk(KERN_WARNING "scsi(%ld:%i:%i): "
|
|
"qla1280_set_target_parameters() failed\n",
|
|
ha->host_no, bus, target);
|
|
return status;
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* qla1280_slave_configure
|
|
*
|
|
* Description:
|
|
* Determines the queue depth for a given device. There are two ways
|
|
* a queue depth can be obtained for a tagged queueing device. One
|
|
* way is the default queue depth which is determined by whether
|
|
* If it is defined, then it is used
|
|
* as the default queue depth. Otherwise, we use either 4 or 8 as the
|
|
* default queue depth (dependent on the number of hardware SCBs).
|
|
**************************************************************************/
|
|
static int
|
|
qla1280_slave_configure(struct scsi_device *device)
|
|
{
|
|
struct scsi_qla_host *ha;
|
|
int default_depth = 3;
|
|
int bus = device->channel;
|
|
int target = device->id;
|
|
int status = 0;
|
|
struct nvram *nv;
|
|
unsigned long flags;
|
|
|
|
ha = (struct scsi_qla_host *)device->host->hostdata;
|
|
nv = &ha->nvram;
|
|
|
|
if (qla1280_check_for_dead_scsi_bus(ha, bus))
|
|
return 1;
|
|
|
|
if (device->tagged_supported &&
|
|
(ha->bus_settings[bus].qtag_enables & (BIT_0 << target))) {
|
|
scsi_adjust_queue_depth(device, MSG_ORDERED_TAG,
|
|
ha->bus_settings[bus].hiwat);
|
|
} else {
|
|
scsi_adjust_queue_depth(device, 0, default_depth);
|
|
}
|
|
|
|
nv->bus[bus].target[target].parameter.enable_sync = device->sdtr;
|
|
nv->bus[bus].target[target].parameter.enable_wide = device->wdtr;
|
|
nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = device->ppr;
|
|
|
|
if (driver_setup.no_sync ||
|
|
(driver_setup.sync_mask &&
|
|
(~driver_setup.sync_mask & (1 << target))))
|
|
nv->bus[bus].target[target].parameter.enable_sync = 0;
|
|
if (driver_setup.no_wide ||
|
|
(driver_setup.wide_mask &&
|
|
(~driver_setup.wide_mask & (1 << target))))
|
|
nv->bus[bus].target[target].parameter.enable_wide = 0;
|
|
if (IS_ISP1x160(ha)) {
|
|
if (driver_setup.no_ppr ||
|
|
(driver_setup.ppr_mask &&
|
|
(~driver_setup.ppr_mask & (1 << target))))
|
|
nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 0;
|
|
}
|
|
|
|
spin_lock_irqsave(ha->host->host_lock, flags);
|
|
if (nv->bus[bus].target[target].parameter.enable_sync)
|
|
status = qla1280_set_target_parameters(ha, bus, target);
|
|
qla1280_get_target_parameters(ha, device);
|
|
spin_unlock_irqrestore(ha->host->host_lock, flags);
|
|
return status;
|
|
}
|
|
|
|
|
|
/*
|
|
* qla1280_done
|
|
* Process completed commands.
|
|
*
|
|
* Input:
|
|
* ha = adapter block pointer.
|
|
*/
|
|
static void
|
|
qla1280_done(struct scsi_qla_host *ha)
|
|
{
|
|
struct srb *sp;
|
|
struct list_head *done_q;
|
|
int bus, target, lun;
|
|
struct scsi_cmnd *cmd;
|
|
|
|
ENTER("qla1280_done");
|
|
|
|
done_q = &ha->done_q;
|
|
|
|
while (!list_empty(done_q)) {
|
|
sp = list_entry(done_q->next, struct srb, list);
|
|
|
|
list_del(&sp->list);
|
|
|
|
cmd = sp->cmd;
|
|
bus = SCSI_BUS_32(cmd);
|
|
target = SCSI_TCN_32(cmd);
|
|
lun = SCSI_LUN_32(cmd);
|
|
|
|
switch ((CMD_RESULT(cmd) >> 16)) {
|
|
case DID_RESET:
|
|
/* Issue marker command. */
|
|
qla1280_marker(ha, bus, target, 0, MK_SYNC_ID);
|
|
break;
|
|
case DID_ABORT:
|
|
sp->flags &= ~SRB_ABORT_PENDING;
|
|
sp->flags |= SRB_ABORTED;
|
|
if (sp->flags & SRB_TIMEOUT)
|
|
CMD_RESULT(sp->cmd) = DID_TIME_OUT << 16;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
/* Release memory used for this I/O */
|
|
if (cmd->use_sg) {
|
|
pci_unmap_sg(ha->pdev, cmd->request_buffer,
|
|
cmd->use_sg, cmd->sc_data_direction);
|
|
} else if (cmd->request_bufflen) {
|
|
pci_unmap_single(ha->pdev, sp->saved_dma_handle,
|
|
cmd->request_bufflen,
|
|
cmd->sc_data_direction);
|
|
}
|
|
|
|
/* Call the mid-level driver interrupt handler */
|
|
CMD_HANDLE(sp->cmd) = (unsigned char *)INVALID_HANDLE;
|
|
ha->actthreads--;
|
|
|
|
(*(cmd)->scsi_done)(cmd);
|
|
|
|
if(sp->wait != NULL)
|
|
complete(sp->wait);
|
|
}
|
|
LEAVE("qla1280_done");
|
|
}
|
|
|
|
/*
|
|
* Translates a ISP error to a Linux SCSI error
|
|
*/
|
|
static int
|
|
qla1280_return_status(struct response * sts, struct scsi_cmnd *cp)
|
|
{
|
|
int host_status = DID_ERROR;
|
|
uint16_t comp_status = le16_to_cpu(sts->comp_status);
|
|
uint16_t state_flags = le16_to_cpu(sts->state_flags);
|
|
uint32_t residual_length = le32_to_cpu(sts->residual_length);
|
|
uint16_t scsi_status = le16_to_cpu(sts->scsi_status);
|
|
#if DEBUG_QLA1280_INTR
|
|
static char *reason[] = {
|
|
"DID_OK",
|
|
"DID_NO_CONNECT",
|
|
"DID_BUS_BUSY",
|
|
"DID_TIME_OUT",
|
|
"DID_BAD_TARGET",
|
|
"DID_ABORT",
|
|
"DID_PARITY",
|
|
"DID_ERROR",
|
|
"DID_RESET",
|
|
"DID_BAD_INTR"
|
|
};
|
|
#endif /* DEBUG_QLA1280_INTR */
|
|
|
|
ENTER("qla1280_return_status");
|
|
|
|
#if DEBUG_QLA1280_INTR
|
|
/*
|
|
dprintk(1, "qla1280_return_status: compl status = 0x%04x\n",
|
|
comp_status);
|
|
*/
|
|
#endif
|
|
|
|
switch (comp_status) {
|
|
case CS_COMPLETE:
|
|
host_status = DID_OK;
|
|
break;
|
|
|
|
case CS_INCOMPLETE:
|
|
if (!(state_flags & SF_GOT_BUS))
|
|
host_status = DID_NO_CONNECT;
|
|
else if (!(state_flags & SF_GOT_TARGET))
|
|
host_status = DID_BAD_TARGET;
|
|
else if (!(state_flags & SF_SENT_CDB))
|
|
host_status = DID_ERROR;
|
|
else if (!(state_flags & SF_TRANSFERRED_DATA))
|
|
host_status = DID_ERROR;
|
|
else if (!(state_flags & SF_GOT_STATUS))
|
|
host_status = DID_ERROR;
|
|
else if (!(state_flags & SF_GOT_SENSE))
|
|
host_status = DID_ERROR;
|
|
break;
|
|
|
|
case CS_RESET:
|
|
host_status = DID_RESET;
|
|
break;
|
|
|
|
case CS_ABORTED:
|
|
host_status = DID_ABORT;
|
|
break;
|
|
|
|
case CS_TIMEOUT:
|
|
host_status = DID_TIME_OUT;
|
|
break;
|
|
|
|
case CS_DATA_OVERRUN:
|
|
dprintk(2, "Data overrun 0x%x\n", residual_length);
|
|
dprintk(2, "qla1280_return_status: response packet data\n");
|
|
qla1280_dump_buffer(2, (char *)sts, RESPONSE_ENTRY_SIZE);
|
|
host_status = DID_ERROR;
|
|
break;
|
|
|
|
case CS_DATA_UNDERRUN:
|
|
if ((cp->request_bufflen - residual_length) <
|
|
cp->underflow) {
|
|
printk(KERN_WARNING
|
|
"scsi: Underflow detected - retrying "
|
|
"command.\n");
|
|
host_status = DID_ERROR;
|
|
} else {
|
|
cp->resid = residual_length;
|
|
host_status = DID_OK;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
host_status = DID_ERROR;
|
|
break;
|
|
}
|
|
|
|
#if DEBUG_QLA1280_INTR
|
|
dprintk(1, "qla1280 ISP status: host status (%s) scsi status %x\n",
|
|
reason[host_status], scsi_status);
|
|
#endif
|
|
|
|
LEAVE("qla1280_return_status");
|
|
|
|
return (scsi_status & 0xff) | (host_status << 16);
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/* QLogic ISP1280 Hardware Support Functions. */
|
|
/****************************************************************************/
|
|
|
|
/*
|
|
* qla1280_initialize_adapter
|
|
* Initialize board.
|
|
*
|
|
* Input:
|
|
* ha = adapter block pointer.
|
|
*
|
|
* Returns:
|
|
* 0 = success
|
|
*/
|
|
static int __devinit
|
|
qla1280_initialize_adapter(struct scsi_qla_host *ha)
|
|
{
|
|
struct device_reg __iomem *reg;
|
|
int status;
|
|
int bus;
|
|
unsigned long flags;
|
|
|
|
ENTER("qla1280_initialize_adapter");
|
|
|
|
/* Clear adapter flags. */
|
|
ha->flags.online = 0;
|
|
ha->flags.disable_host_adapter = 0;
|
|
ha->flags.reset_active = 0;
|
|
ha->flags.abort_isp_active = 0;
|
|
|
|
#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
|
|
if (ia64_platform_is("sn2")) {
|
|
printk(KERN_INFO "scsi(%li): Enabling SN2 PCI DMA "
|
|
"dual channel lockup workaround\n", ha->host_no);
|
|
ha->flags.use_pci_vchannel = 1;
|
|
driver_setup.no_nvram = 1;
|
|
}
|
|
#endif
|
|
|
|
/* TODO: implement support for the 1040 nvram format */
|
|
if (IS_ISP1040(ha))
|
|
driver_setup.no_nvram = 1;
|
|
|
|
dprintk(1, "Configure PCI space for adapter...\n");
|
|
|
|
reg = ha->iobase;
|
|
|
|
/* Insure mailbox registers are free. */
|
|
WRT_REG_WORD(®->semaphore, 0);
|
|
WRT_REG_WORD(®->host_cmd, HC_CLR_RISC_INT);
|
|
WRT_REG_WORD(®->host_cmd, HC_CLR_HOST_INT);
|
|
RD_REG_WORD(®->host_cmd);
|
|
|
|
if (qla1280_read_nvram(ha)) {
|
|
dprintk(2, "qla1280_initialize_adapter: failed to read "
|
|
"NVRAM\n");
|
|
}
|
|
|
|
/*
|
|
* It's necessary to grab the spin here as qla1280_mailbox_command
|
|
* needs to be able to drop the lock unconditionally to wait
|
|
* for completion.
|
|
*/
|
|
spin_lock_irqsave(ha->host->host_lock, flags);
|
|
|
|
status = qla1280_load_firmware(ha);
|
|
if (status) {
|
|
printk(KERN_ERR "scsi(%li): initialize: pci probe failed!\n",
|
|
ha->host_no);
|
|
goto out;
|
|
}
|
|
|
|
/* Setup adapter based on NVRAM parameters. */
|
|
dprintk(1, "scsi(%ld): Configure NVRAM parameters\n", ha->host_no);
|
|
qla1280_nvram_config(ha);
|
|
|
|
if (ha->flags.disable_host_adapter) {
|
|
status = 1;
|
|
goto out;
|
|
}
|
|
|
|
status = qla1280_init_rings(ha);
|
|
if (status)
|
|
goto out;
|
|
|
|
/* Issue SCSI reset, if we can't reset twice then bus is dead */
|
|
for (bus = 0; bus < ha->ports; bus++) {
|
|
if (!ha->bus_settings[bus].disable_scsi_reset &&
|
|
qla1280_bus_reset(ha, bus) &&
|
|
qla1280_bus_reset(ha, bus))
|
|
ha->bus_settings[bus].scsi_bus_dead = 1;
|
|
}
|
|
|
|
ha->flags.online = 1;
|
|
out:
|
|
spin_unlock_irqrestore(ha->host->host_lock, flags);
|
|
|
|
if (status)
|
|
dprintk(2, "qla1280_initialize_adapter: **** FAILED ****\n");
|
|
|
|
LEAVE("qla1280_initialize_adapter");
|
|
return status;
|
|
}
|
|
|
|
/*
|
|
* Chip diagnostics
|
|
* Test chip for proper operation.
|
|
*
|
|
* Input:
|
|
* ha = adapter block pointer.
|
|
*
|
|
* Returns:
|
|
* 0 = success.
|
|
*/
|
|
static int
|
|
qla1280_chip_diag(struct scsi_qla_host *ha)
|
|
{
|
|
uint16_t mb[MAILBOX_REGISTER_COUNT];
|
|
struct device_reg __iomem *reg = ha->iobase;
|
|
int status = 0;
|
|
int cnt;
|
|
uint16_t data;
|
|
dprintk(3, "qla1280_chip_diag: testing device at 0x%p \n", ®->id_l);
|
|
|
|
dprintk(1, "scsi(%ld): Verifying chip\n", ha->host_no);
|
|
|
|
/* Soft reset chip and wait for it to finish. */
|
|
WRT_REG_WORD(®->ictrl, ISP_RESET);
|
|
|
|
/*
|
|
* We can't do a traditional PCI write flush here by reading
|
|
* back the register. The card will not respond once the reset
|
|
* is in action and we end up with a machine check exception
|
|
* instead. Nothing to do but wait and hope for the best.
|
|
* A portable pci_write_flush(pdev) call would be very useful here.
|
|
*/
|
|
udelay(20);
|
|
data = qla1280_debounce_register(®->ictrl);
|
|
/*
|
|
* Yet another QLogic gem ;-(
|
|
*/
|
|
for (cnt = 1000000; cnt && data & ISP_RESET; cnt--) {
|
|
udelay(5);
|
|
data = RD_REG_WORD(®->ictrl);
|
|
}
|
|
|
|
if (!cnt)
|
|
goto fail;
|
|
|
|
/* Reset register cleared by chip reset. */
|
|
dprintk(3, "qla1280_chip_diag: reset register cleared by chip reset\n");
|
|
|
|
WRT_REG_WORD(®->cfg_1, 0);
|
|
|
|
/* Reset RISC and disable BIOS which
|
|
allows RISC to execute out of RAM. */
|
|
WRT_REG_WORD(®->host_cmd, HC_RESET_RISC |
|
|
HC_RELEASE_RISC | HC_DISABLE_BIOS);
|
|
|
|
RD_REG_WORD(®->id_l); /* Flush PCI write */
|
|
data = qla1280_debounce_register(®->mailbox0);
|
|
|
|
/*
|
|
* I *LOVE* this code!
|
|
*/
|
|
for (cnt = 1000000; cnt && data == MBS_BUSY; cnt--) {
|
|
udelay(5);
|
|
data = RD_REG_WORD(®->mailbox0);
|
|
}
|
|
|
|
if (!cnt)
|
|
goto fail;
|
|
|
|
/* Check product ID of chip */
|
|
dprintk(3, "qla1280_chip_diag: Checking product ID of chip\n");
|
|
|
|
if (RD_REG_WORD(®->mailbox1) != PROD_ID_1 ||
|
|
(RD_REG_WORD(®->mailbox2) != PROD_ID_2 &&
|
|
RD_REG_WORD(®->mailbox2) != PROD_ID_2a) ||
|
|
RD_REG_WORD(®->mailbox3) != PROD_ID_3 ||
|
|
RD_REG_WORD(®->mailbox4) != PROD_ID_4) {
|
|
printk(KERN_INFO "qla1280: Wrong product ID = "
|
|
"0x%x,0x%x,0x%x,0x%x\n",
|
|
RD_REG_WORD(®->mailbox1),
|
|
RD_REG_WORD(®->mailbox2),
|
|
RD_REG_WORD(®->mailbox3),
|
|
RD_REG_WORD(®->mailbox4));
|
|
goto fail;
|
|
}
|
|
|
|
/*
|
|
* Enable ints early!!!
|
|
*/
|
|
qla1280_enable_intrs(ha);
|
|
|
|
dprintk(1, "qla1280_chip_diag: Checking mailboxes of chip\n");
|
|
/* Wrap Incoming Mailboxes Test. */
|
|
mb[0] = MBC_MAILBOX_REGISTER_TEST;
|
|
mb[1] = 0xAAAA;
|
|
mb[2] = 0x5555;
|
|
mb[3] = 0xAA55;
|
|
mb[4] = 0x55AA;
|
|
mb[5] = 0xA5A5;
|
|
mb[6] = 0x5A5A;
|
|
mb[7] = 0x2525;
|
|
|
|
status = qla1280_mailbox_command(ha, 0xff, mb);
|
|
if (status)
|
|
goto fail;
|
|
|
|
if (mb[1] != 0xAAAA || mb[2] != 0x5555 || mb[3] != 0xAA55 ||
|
|
mb[4] != 0x55AA || mb[5] != 0xA5A5 || mb[6] != 0x5A5A ||
|
|
mb[7] != 0x2525) {
|
|
printk(KERN_INFO "qla1280: Failed mbox check\n");
|
|
goto fail;
|
|
}
|
|
|
|
dprintk(3, "qla1280_chip_diag: exiting normally\n");
|
|
return 0;
|
|
fail:
|
|
dprintk(2, "qla1280_chip_diag: **** FAILED ****\n");
|
|
return status;
|
|
}
|
|
|
|
static int
|
|
qla1280_load_firmware_pio(struct scsi_qla_host *ha)
|
|
{
|
|
uint16_t risc_address, *risc_code_address, risc_code_size;
|
|
uint16_t mb[MAILBOX_REGISTER_COUNT], i;
|
|
int err;
|
|
|
|
/* Load RISC code. */
|
|
risc_address = *ql1280_board_tbl[ha->devnum].fwstart;
|
|
risc_code_address = ql1280_board_tbl[ha->devnum].fwcode;
|
|
risc_code_size = *ql1280_board_tbl[ha->devnum].fwlen;
|
|
|
|
for (i = 0; i < risc_code_size; i++) {
|
|
mb[0] = MBC_WRITE_RAM_WORD;
|
|
mb[1] = risc_address + i;
|
|
mb[2] = risc_code_address[i];
|
|
|
|
err = qla1280_mailbox_command(ha, BIT_0 | BIT_1 | BIT_2, mb);
|
|
if (err) {
|
|
printk(KERN_ERR "scsi(%li): Failed to load firmware\n",
|
|
ha->host_no);
|
|
return err;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define DUMP_IT_BACK 0 /* for debug of RISC loading */
|
|
static int
|
|
qla1280_load_firmware_dma(struct scsi_qla_host *ha)
|
|
{
|
|
uint16_t risc_address, *risc_code_address, risc_code_size;
|
|
uint16_t mb[MAILBOX_REGISTER_COUNT], cnt;
|
|
int err = 0, num, i;
|
|
#if DUMP_IT_BACK
|
|
uint8_t *sp, *tbuf;
|
|
dma_addr_t p_tbuf;
|
|
|
|
tbuf = pci_alloc_consistent(ha->pdev, 8000, &p_tbuf);
|
|
if (!tbuf)
|
|
return -ENOMEM;
|
|
#endif
|
|
|
|
/* Load RISC code. */
|
|
risc_address = *ql1280_board_tbl[ha->devnum].fwstart;
|
|
risc_code_address = ql1280_board_tbl[ha->devnum].fwcode;
|
|
risc_code_size = *ql1280_board_tbl[ha->devnum].fwlen;
|
|
|
|
dprintk(1, "%s: DMA RISC code (%i) words\n",
|
|
__FUNCTION__, risc_code_size);
|
|
|
|
num = 0;
|
|
while (risc_code_size > 0) {
|
|
int warn __attribute__((unused)) = 0;
|
|
|
|
cnt = 2000 >> 1;
|
|
|
|
if (cnt > risc_code_size)
|
|
cnt = risc_code_size;
|
|
|
|
dprintk(2, "qla1280_setup_chip: loading risc @ =(0x%p),"
|
|
"%d,%d(0x%x)\n",
|
|
risc_code_address, cnt, num, risc_address);
|
|
for(i = 0; i < cnt; i++)
|
|
((__le16 *)ha->request_ring)[i] =
|
|
cpu_to_le16(risc_code_address[i]);
|
|
|
|
mb[0] = MBC_LOAD_RAM;
|
|
mb[1] = risc_address;
|
|
mb[4] = cnt;
|
|
mb[3] = ha->request_dma & 0xffff;
|
|
mb[2] = (ha->request_dma >> 16) & 0xffff;
|
|
mb[7] = pci_dma_hi32(ha->request_dma) & 0xffff;
|
|
mb[6] = pci_dma_hi32(ha->request_dma) >> 16;
|
|
dprintk(2, "%s: op=%d 0x%p = 0x%4x,0x%4x,0x%4x,0x%4x\n",
|
|
__FUNCTION__, mb[0],
|
|
(void *)(long)ha->request_dma,
|
|
mb[6], mb[7], mb[2], mb[3]);
|
|
err = qla1280_mailbox_command(ha, BIT_4 | BIT_3 | BIT_2 |
|
|
BIT_1 | BIT_0, mb);
|
|
if (err) {
|
|
printk(KERN_ERR "scsi(%li): Failed to load partial "
|
|
"segment of f\n", ha->host_no);
|
|
goto out;
|
|
}
|
|
|
|
#if DUMP_IT_BACK
|
|
mb[0] = MBC_DUMP_RAM;
|
|
mb[1] = risc_address;
|
|
mb[4] = cnt;
|
|
mb[3] = p_tbuf & 0xffff;
|
|
mb[2] = (p_tbuf >> 16) & 0xffff;
|
|
mb[7] = pci_dma_hi32(p_tbuf) & 0xffff;
|
|
mb[6] = pci_dma_hi32(p_tbuf) >> 16;
|
|
|
|
err = qla1280_mailbox_command(ha, BIT_4 | BIT_3 | BIT_2 |
|
|
BIT_1 | BIT_0, mb);
|
|
if (err) {
|
|
printk(KERN_ERR
|
|
"Failed to dump partial segment of f/w\n");
|
|
goto out;
|
|
}
|
|
sp = (uint8_t *)ha->request_ring;
|
|
for (i = 0; i < (cnt << 1); i++) {
|
|
if (tbuf[i] != sp[i] && warn++ < 10) {
|
|
printk(KERN_ERR "%s: FW compare error @ "
|
|
"byte(0x%x) loop#=%x\n",
|
|
__FUNCTION__, i, num);
|
|
printk(KERN_ERR "%s: FWbyte=%x "
|
|
"FWfromChip=%x\n",
|
|
__FUNCTION__, sp[i], tbuf[i]);
|
|
/*break; */
|
|
}
|
|
}
|
|
#endif
|
|
risc_address += cnt;
|
|
risc_code_size = risc_code_size - cnt;
|
|
risc_code_address = risc_code_address + cnt;
|
|
num++;
|
|
}
|
|
|
|
out:
|
|
#if DUMP_IT_BACK
|
|
pci_free_consistent(ha->pdev, 8000, tbuf, p_tbuf);
|
|
#endif
|
|
return err;
|
|
}
|
|
|
|
static int
|
|
qla1280_start_firmware(struct scsi_qla_host *ha)
|
|
{
|
|
uint16_t mb[MAILBOX_REGISTER_COUNT];
|
|
int err;
|
|
|
|
dprintk(1, "%s: Verifying checksum of loaded RISC code.\n",
|
|
__FUNCTION__);
|
|
|
|
/* Verify checksum of loaded RISC code. */
|
|
mb[0] = MBC_VERIFY_CHECKSUM;
|
|
/* mb[1] = ql12_risc_code_addr01; */
|
|
mb[1] = *ql1280_board_tbl[ha->devnum].fwstart;
|
|
err = qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb);
|
|
if (err) {
|
|
printk(KERN_ERR "scsi(%li): RISC checksum failed.\n", ha->host_no);
|
|
return err;
|
|
}
|
|
|
|
/* Start firmware execution. */
|
|
dprintk(1, "%s: start firmware running.\n", __FUNCTION__);
|
|
mb[0] = MBC_EXECUTE_FIRMWARE;
|
|
mb[1] = *ql1280_board_tbl[ha->devnum].fwstart;
|
|
err = qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]);
|
|
if (err) {
|
|
printk(KERN_ERR "scsi(%li): Failed to start firmware\n",
|
|
ha->host_no);
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
static int
|
|
qla1280_load_firmware(struct scsi_qla_host *ha)
|
|
{
|
|
int err;
|
|
|
|
err = qla1280_chip_diag(ha);
|
|
if (err)
|
|
goto out;
|
|
if (IS_ISP1040(ha))
|
|
err = qla1280_load_firmware_pio(ha);
|
|
else
|
|
err = qla1280_load_firmware_dma(ha);
|
|
if (err)
|
|
goto out;
|
|
err = qla1280_start_firmware(ha);
|
|
out:
|
|
return err;
|
|
}
|
|
|
|
/*
|
|
* Initialize rings
|
|
*
|
|
* Input:
|
|
* ha = adapter block pointer.
|
|
* ha->request_ring = request ring virtual address
|
|
* ha->response_ring = response ring virtual address
|
|
* ha->request_dma = request ring physical address
|
|
* ha->response_dma = response ring physical address
|
|
*
|
|
* Returns:
|
|
* 0 = success.
|
|
*/
|
|
static int
|
|
qla1280_init_rings(struct scsi_qla_host *ha)
|
|
{
|
|
uint16_t mb[MAILBOX_REGISTER_COUNT];
|
|
int status = 0;
|
|
|
|
ENTER("qla1280_init_rings");
|
|
|
|
/* Clear outstanding commands array. */
|
|
memset(ha->outstanding_cmds, 0,
|
|
sizeof(struct srb *) * MAX_OUTSTANDING_COMMANDS);
|
|
|
|
/* Initialize request queue. */
|
|
ha->request_ring_ptr = ha->request_ring;
|
|
ha->req_ring_index = 0;
|
|
ha->req_q_cnt = REQUEST_ENTRY_CNT;
|
|
/* mb[0] = MBC_INIT_REQUEST_QUEUE; */
|
|
mb[0] = MBC_INIT_REQUEST_QUEUE_A64;
|
|
mb[1] = REQUEST_ENTRY_CNT;
|
|
mb[3] = ha->request_dma & 0xffff;
|
|
mb[2] = (ha->request_dma >> 16) & 0xffff;
|
|
mb[4] = 0;
|
|
mb[7] = pci_dma_hi32(ha->request_dma) & 0xffff;
|
|
mb[6] = pci_dma_hi32(ha->request_dma) >> 16;
|
|
if (!(status = qla1280_mailbox_command(ha, BIT_7 | BIT_6 | BIT_4 |
|
|
BIT_3 | BIT_2 | BIT_1 | BIT_0,
|
|
&mb[0]))) {
|
|
/* Initialize response queue. */
|
|
ha->response_ring_ptr = ha->response_ring;
|
|
ha->rsp_ring_index = 0;
|
|
/* mb[0] = MBC_INIT_RESPONSE_QUEUE; */
|
|
mb[0] = MBC_INIT_RESPONSE_QUEUE_A64;
|
|
mb[1] = RESPONSE_ENTRY_CNT;
|
|
mb[3] = ha->response_dma & 0xffff;
|
|
mb[2] = (ha->response_dma >> 16) & 0xffff;
|
|
mb[5] = 0;
|
|
mb[7] = pci_dma_hi32(ha->response_dma) & 0xffff;
|
|
mb[6] = pci_dma_hi32(ha->response_dma) >> 16;
|
|
status = qla1280_mailbox_command(ha, BIT_7 | BIT_6 | BIT_5 |
|
|
BIT_3 | BIT_2 | BIT_1 | BIT_0,
|
|
&mb[0]);
|
|
}
|
|
|
|
if (status)
|
|
dprintk(2, "qla1280_init_rings: **** FAILED ****\n");
|
|
|
|
LEAVE("qla1280_init_rings");
|
|
return status;
|
|
}
|
|
|
|
static void
|
|
qla1280_print_settings(struct nvram *nv)
|
|
{
|
|
dprintk(1, "qla1280 : initiator scsi id bus[0]=%d\n",
|
|
nv->bus[0].config_1.initiator_id);
|
|
dprintk(1, "qla1280 : initiator scsi id bus[1]=%d\n",
|
|
nv->bus[1].config_1.initiator_id);
|
|
|
|
dprintk(1, "qla1280 : bus reset delay[0]=%d\n",
|
|
nv->bus[0].bus_reset_delay);
|
|
dprintk(1, "qla1280 : bus reset delay[1]=%d\n",
|
|
nv->bus[1].bus_reset_delay);
|
|
|
|
dprintk(1, "qla1280 : retry count[0]=%d\n", nv->bus[0].retry_count);
|
|
dprintk(1, "qla1280 : retry delay[0]=%d\n", nv->bus[0].retry_delay);
|
|
dprintk(1, "qla1280 : retry count[1]=%d\n", nv->bus[1].retry_count);
|
|
dprintk(1, "qla1280 : retry delay[1]=%d\n", nv->bus[1].retry_delay);
|
|
|
|
dprintk(1, "qla1280 : async data setup time[0]=%d\n",
|
|
nv->bus[0].config_2.async_data_setup_time);
|
|
dprintk(1, "qla1280 : async data setup time[1]=%d\n",
|
|
nv->bus[1].config_2.async_data_setup_time);
|
|
|
|
dprintk(1, "qla1280 : req/ack active negation[0]=%d\n",
|
|
nv->bus[0].config_2.req_ack_active_negation);
|
|
dprintk(1, "qla1280 : req/ack active negation[1]=%d\n",
|
|
nv->bus[1].config_2.req_ack_active_negation);
|
|
|
|
dprintk(1, "qla1280 : data line active negation[0]=%d\n",
|
|
nv->bus[0].config_2.data_line_active_negation);
|
|
dprintk(1, "qla1280 : data line active negation[1]=%d\n",
|
|
nv->bus[1].config_2.data_line_active_negation);
|
|
|
|
dprintk(1, "qla1280 : disable loading risc code=%d\n",
|
|
nv->cntr_flags_1.disable_loading_risc_code);
|
|
|
|
dprintk(1, "qla1280 : enable 64bit addressing=%d\n",
|
|
nv->cntr_flags_1.enable_64bit_addressing);
|
|
|
|
dprintk(1, "qla1280 : selection timeout limit[0]=%d\n",
|
|
nv->bus[0].selection_timeout);
|
|
dprintk(1, "qla1280 : selection timeout limit[1]=%d\n",
|
|
nv->bus[1].selection_timeout);
|
|
|
|
dprintk(1, "qla1280 : max queue depth[0]=%d\n",
|
|
nv->bus[0].max_queue_depth);
|
|
dprintk(1, "qla1280 : max queue depth[1]=%d\n",
|
|
nv->bus[1].max_queue_depth);
|
|
}
|
|
|
|
static void
|
|
qla1280_set_target_defaults(struct scsi_qla_host *ha, int bus, int target)
|
|
{
|
|
struct nvram *nv = &ha->nvram;
|
|
|
|
nv->bus[bus].target[target].parameter.renegotiate_on_error = 1;
|
|
nv->bus[bus].target[target].parameter.auto_request_sense = 1;
|
|
nv->bus[bus].target[target].parameter.tag_queuing = 1;
|
|
nv->bus[bus].target[target].parameter.enable_sync = 1;
|
|
#if 1 /* Some SCSI Processors do not seem to like this */
|
|
nv->bus[bus].target[target].parameter.enable_wide = 1;
|
|
#endif
|
|
nv->bus[bus].target[target].execution_throttle =
|
|
nv->bus[bus].max_queue_depth - 1;
|
|
nv->bus[bus].target[target].parameter.parity_checking = 1;
|
|
nv->bus[bus].target[target].parameter.disconnect_allowed = 1;
|
|
|
|
if (IS_ISP1x160(ha)) {
|
|
nv->bus[bus].target[target].flags.flags1x160.device_enable = 1;
|
|
nv->bus[bus].target[target].flags.flags1x160.sync_offset = 0x0e;
|
|
nv->bus[bus].target[target].sync_period = 9;
|
|
nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 1;
|
|
nv->bus[bus].target[target].ppr_1x160.flags.ppr_options = 2;
|
|
nv->bus[bus].target[target].ppr_1x160.flags.ppr_bus_width = 1;
|
|
} else {
|
|
nv->bus[bus].target[target].flags.flags1x80.device_enable = 1;
|
|
nv->bus[bus].target[target].flags.flags1x80.sync_offset = 12;
|
|
nv->bus[bus].target[target].sync_period = 10;
|
|
}
|
|
}
|
|
|
|
static void
|
|
qla1280_set_defaults(struct scsi_qla_host *ha)
|
|
{
|
|
struct nvram *nv = &ha->nvram;
|
|
int bus, target;
|
|
|
|
dprintk(1, "Using defaults for NVRAM: \n");
|
|
memset(nv, 0, sizeof(struct nvram));
|
|
|
|
/* nv->cntr_flags_1.disable_loading_risc_code = 1; */
|
|
nv->firmware_feature.f.enable_fast_posting = 1;
|
|
nv->firmware_feature.f.disable_synchronous_backoff = 1;
|
|
nv->termination.scsi_bus_0_control = 3;
|
|
nv->termination.scsi_bus_1_control = 3;
|
|
nv->termination.auto_term_support = 1;
|
|
|
|
/*
|
|
* Set default FIFO magic - What appropriate values would be here
|
|
* is unknown. This is what I have found testing with 12160s.
|
|
*
|
|
* Now, I would love the magic decoder ring for this one, the
|
|
* header file provided by QLogic seems to be bogus or incomplete
|
|
* at best.
|
|
*/
|
|
nv->isp_config.burst_enable = 1;
|
|
if (IS_ISP1040(ha))
|
|
nv->isp_config.fifo_threshold |= 3;
|
|
else
|
|
nv->isp_config.fifo_threshold |= 4;
|
|
|
|
if (IS_ISP1x160(ha))
|
|
nv->isp_parameter = 0x01; /* fast memory enable */
|
|
|
|
for (bus = 0; bus < MAX_BUSES; bus++) {
|
|
nv->bus[bus].config_1.initiator_id = 7;
|
|
nv->bus[bus].config_2.req_ack_active_negation = 1;
|
|
nv->bus[bus].config_2.data_line_active_negation = 1;
|
|
nv->bus[bus].selection_timeout = 250;
|
|
nv->bus[bus].max_queue_depth = 256;
|
|
|
|
if (IS_ISP1040(ha)) {
|
|
nv->bus[bus].bus_reset_delay = 3;
|
|
nv->bus[bus].config_2.async_data_setup_time = 6;
|
|
nv->bus[bus].retry_delay = 1;
|
|
} else {
|
|
nv->bus[bus].bus_reset_delay = 5;
|
|
nv->bus[bus].config_2.async_data_setup_time = 8;
|
|
}
|
|
|
|
for (target = 0; target < MAX_TARGETS; target++)
|
|
qla1280_set_target_defaults(ha, bus, target);
|
|
}
|
|
}
|
|
|
|
static int
|
|
qla1280_config_target(struct scsi_qla_host *ha, int bus, int target)
|
|
{
|
|
struct nvram *nv = &ha->nvram;
|
|
uint16_t mb[MAILBOX_REGISTER_COUNT];
|
|
int status, lun;
|
|
uint16_t flag;
|
|
|
|
/* Set Target Parameters. */
|
|
mb[0] = MBC_SET_TARGET_PARAMETERS;
|
|
mb[1] = (uint16_t)((bus ? target | BIT_7 : target) << 8);
|
|
|
|
/*
|
|
* Do not enable sync and ppr for the initial INQUIRY run. We
|
|
* enable this later if we determine the target actually
|
|
* supports it.
|
|
*/
|
|
mb[2] = (TP_RENEGOTIATE | TP_AUTO_REQUEST_SENSE | TP_TAGGED_QUEUE
|
|
| TP_WIDE | TP_PARITY | TP_DISCONNECT);
|
|
|
|
if (IS_ISP1x160(ha))
|
|
mb[3] = nv->bus[bus].target[target].flags.flags1x160.sync_offset << 8;
|
|
else
|
|
mb[3] = nv->bus[bus].target[target].flags.flags1x80.sync_offset << 8;
|
|
mb[3] |= nv->bus[bus].target[target].sync_period;
|
|
status = qla1280_mailbox_command(ha, 0x0f, mb);
|
|
|
|
/* Save Tag queuing enable flag. */
|
|
flag = (BIT_0 << target) & mb[0];
|
|
if (nv->bus[bus].target[target].parameter.tag_queuing)
|
|
ha->bus_settings[bus].qtag_enables |= flag;
|
|
|
|
/* Save Device enable flag. */
|
|
if (IS_ISP1x160(ha)) {
|
|
if (nv->bus[bus].target[target].flags.flags1x160.device_enable)
|
|
ha->bus_settings[bus].device_enables |= flag;
|
|
ha->bus_settings[bus].lun_disables |= 0;
|
|
} else {
|
|
if (nv->bus[bus].target[target].flags.flags1x80.device_enable)
|
|
ha->bus_settings[bus].device_enables |= flag;
|
|
/* Save LUN disable flag. */
|
|
if (nv->bus[bus].target[target].flags.flags1x80.lun_disable)
|
|
ha->bus_settings[bus].lun_disables |= flag;
|
|
}
|
|
|
|
/* Set Device Queue Parameters. */
|
|
for (lun = 0; lun < MAX_LUNS; lun++) {
|
|
mb[0] = MBC_SET_DEVICE_QUEUE;
|
|
mb[1] = (uint16_t)((bus ? target | BIT_7 : target) << 8);
|
|
mb[1] |= lun;
|
|
mb[2] = nv->bus[bus].max_queue_depth;
|
|
mb[3] = nv->bus[bus].target[target].execution_throttle;
|
|
status |= qla1280_mailbox_command(ha, 0x0f, mb);
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
static int
|
|
qla1280_config_bus(struct scsi_qla_host *ha, int bus)
|
|
{
|
|
struct nvram *nv = &ha->nvram;
|
|
uint16_t mb[MAILBOX_REGISTER_COUNT];
|
|
int target, status;
|
|
|
|
/* SCSI Reset Disable. */
|
|
ha->bus_settings[bus].disable_scsi_reset =
|
|
nv->bus[bus].config_1.scsi_reset_disable;
|
|
|
|
/* Initiator ID. */
|
|
ha->bus_settings[bus].id = nv->bus[bus].config_1.initiator_id;
|
|
mb[0] = MBC_SET_INITIATOR_ID;
|
|
mb[1] = bus ? ha->bus_settings[bus].id | BIT_7 :
|
|
ha->bus_settings[bus].id;
|
|
status = qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]);
|
|
|
|
/* Reset Delay. */
|
|
ha->bus_settings[bus].bus_reset_delay =
|
|
nv->bus[bus].bus_reset_delay;
|
|
|
|
/* Command queue depth per device. */
|
|
ha->bus_settings[bus].hiwat = nv->bus[bus].max_queue_depth - 1;
|
|
|
|
/* Set target parameters. */
|
|
for (target = 0; target < MAX_TARGETS; target++)
|
|
status |= qla1280_config_target(ha, bus, target);
|
|
|
|
return status;
|
|
}
|
|
|
|
static int
|
|
qla1280_nvram_config(struct scsi_qla_host *ha)
|
|
{
|
|
struct device_reg __iomem *reg = ha->iobase;
|
|
struct nvram *nv = &ha->nvram;
|
|
int bus, target, status = 0;
|
|
uint16_t mb[MAILBOX_REGISTER_COUNT];
|
|
|
|
ENTER("qla1280_nvram_config");
|
|
|
|
if (ha->nvram_valid) {
|
|
/* Always force AUTO sense for LINUX SCSI */
|
|
for (bus = 0; bus < MAX_BUSES; bus++)
|
|
for (target = 0; target < MAX_TARGETS; target++) {
|
|
nv->bus[bus].target[target].parameter.
|
|
auto_request_sense = 1;
|
|
}
|
|
} else {
|
|
qla1280_set_defaults(ha);
|
|
}
|
|
|
|
qla1280_print_settings(nv);
|
|
|
|
/* Disable RISC load of firmware. */
|
|
ha->flags.disable_risc_code_load =
|
|
nv->cntr_flags_1.disable_loading_risc_code;
|
|
|
|
if (IS_ISP1040(ha)) {
|
|
uint16_t hwrev, cfg1, cdma_conf, ddma_conf;
|
|
|
|
hwrev = RD_REG_WORD(®->cfg_0) & ISP_CFG0_HWMSK;
|
|
|
|
cfg1 = RD_REG_WORD(®->cfg_1) & ~(BIT_4 | BIT_5 | BIT_6);
|
|
cdma_conf = RD_REG_WORD(®->cdma_cfg);
|
|
ddma_conf = RD_REG_WORD(®->ddma_cfg);
|
|
|
|
/* Busted fifo, says mjacob. */
|
|
if (hwrev != ISP_CFG0_1040A)
|
|
cfg1 |= nv->isp_config.fifo_threshold << 4;
|
|
|
|
cfg1 |= nv->isp_config.burst_enable << 2;
|
|
WRT_REG_WORD(®->cfg_1, cfg1);
|
|
|
|
WRT_REG_WORD(®->cdma_cfg, cdma_conf | CDMA_CONF_BENAB);
|
|
WRT_REG_WORD(®->ddma_cfg, cdma_conf | DDMA_CONF_BENAB);
|
|
} else {
|
|
uint16_t cfg1, term;
|
|
|
|
/* Set ISP hardware DMA burst */
|
|
cfg1 = nv->isp_config.fifo_threshold << 4;
|
|
cfg1 |= nv->isp_config.burst_enable << 2;
|
|
/* Enable DMA arbitration on dual channel controllers */
|
|
if (ha->ports > 1)
|
|
cfg1 |= BIT_13;
|
|
WRT_REG_WORD(®->cfg_1, cfg1);
|
|
|
|
/* Set SCSI termination. */
|
|
WRT_REG_WORD(®->gpio_enable,
|
|
BIT_7 | BIT_3 | BIT_2 | BIT_1 | BIT_0);
|
|
term = nv->termination.scsi_bus_1_control;
|
|
term |= nv->termination.scsi_bus_0_control << 2;
|
|
term |= nv->termination.auto_term_support << 7;
|
|
RD_REG_WORD(®->id_l); /* Flush PCI write */
|
|
WRT_REG_WORD(®->gpio_data, term);
|
|
}
|
|
RD_REG_WORD(®->id_l); /* Flush PCI write */
|
|
|
|
/* ISP parameter word. */
|
|
mb[0] = MBC_SET_SYSTEM_PARAMETER;
|
|
mb[1] = nv->isp_parameter;
|
|
status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]);
|
|
|
|
if (IS_ISP1x40(ha)) {
|
|
/* clock rate - for qla1240 and older, only */
|
|
mb[0] = MBC_SET_CLOCK_RATE;
|
|
mb[1] = 40;
|
|
status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb);
|
|
}
|
|
|
|
/* Firmware feature word. */
|
|
mb[0] = MBC_SET_FIRMWARE_FEATURES;
|
|
mb[1] = nv->firmware_feature.f.enable_fast_posting;
|
|
mb[1] |= nv->firmware_feature.f.report_lvd_bus_transition << 1;
|
|
mb[1] |= nv->firmware_feature.f.disable_synchronous_backoff << 5;
|
|
#if defined(CONFIG_IA64_GENERIC) || defined (CONFIG_IA64_SGI_SN2)
|
|
if (ia64_platform_is("sn2")) {
|
|
printk(KERN_INFO "scsi(%li): Enabling SN2 PCI DMA "
|
|
"workaround\n", ha->host_no);
|
|
mb[1] |= nv->firmware_feature.f.unused_9 << 9; /* XXX */
|
|
}
|
|
#endif
|
|
status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb);
|
|
|
|
/* Retry count and delay. */
|
|
mb[0] = MBC_SET_RETRY_COUNT;
|
|
mb[1] = nv->bus[0].retry_count;
|
|
mb[2] = nv->bus[0].retry_delay;
|
|
mb[6] = nv->bus[1].retry_count;
|
|
mb[7] = nv->bus[1].retry_delay;
|
|
status |= qla1280_mailbox_command(ha, BIT_7 | BIT_6 | BIT_2 |
|
|
BIT_1 | BIT_0, &mb[0]);
|
|
|
|
/* ASYNC data setup time. */
|
|
mb[0] = MBC_SET_ASYNC_DATA_SETUP;
|
|
mb[1] = nv->bus[0].config_2.async_data_setup_time;
|
|
mb[2] = nv->bus[1].config_2.async_data_setup_time;
|
|
status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]);
|
|
|
|
/* Active negation states. */
|
|
mb[0] = MBC_SET_ACTIVE_NEGATION;
|
|
mb[1] = 0;
|
|
if (nv->bus[0].config_2.req_ack_active_negation)
|
|
mb[1] |= BIT_5;
|
|
if (nv->bus[0].config_2.data_line_active_negation)
|
|
mb[1] |= BIT_4;
|
|
mb[2] = 0;
|
|
if (nv->bus[1].config_2.req_ack_active_negation)
|
|
mb[2] |= BIT_5;
|
|
if (nv->bus[1].config_2.data_line_active_negation)
|
|
mb[2] |= BIT_4;
|
|
status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, mb);
|
|
|
|
mb[0] = MBC_SET_DATA_OVERRUN_RECOVERY;
|
|
mb[1] = 2; /* Reset SCSI bus and return all outstanding IO */
|
|
status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb);
|
|
|
|
/* thingy */
|
|
mb[0] = MBC_SET_PCI_CONTROL;
|
|
mb[1] = BIT_1; /* Data DMA Channel Burst Enable */
|
|
mb[2] = BIT_1; /* Command DMA Channel Burst Enable */
|
|
status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, mb);
|
|
|
|
mb[0] = MBC_SET_TAG_AGE_LIMIT;
|
|
mb[1] = 8;
|
|
status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb);
|
|
|
|
/* Selection timeout. */
|
|
mb[0] = MBC_SET_SELECTION_TIMEOUT;
|
|
mb[1] = nv->bus[0].selection_timeout;
|
|
mb[2] = nv->bus[1].selection_timeout;
|
|
status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, mb);
|
|
|
|
for (bus = 0; bus < ha->ports; bus++)
|
|
status |= qla1280_config_bus(ha, bus);
|
|
|
|
if (status)
|
|
dprintk(2, "qla1280_nvram_config: **** FAILED ****\n");
|
|
|
|
LEAVE("qla1280_nvram_config");
|
|
return status;
|
|
}
|
|
|
|
/*
|
|
* Get NVRAM data word
|
|
* Calculates word position in NVRAM and calls request routine to
|
|
* get the word from NVRAM.
|
|
*
|
|
* Input:
|
|
* ha = adapter block pointer.
|
|
* address = NVRAM word address.
|
|
*
|
|
* Returns:
|
|
* data word.
|
|
*/
|
|
static uint16_t
|
|
qla1280_get_nvram_word(struct scsi_qla_host *ha, uint32_t address)
|
|
{
|
|
uint32_t nv_cmd;
|
|
uint16_t data;
|
|
|
|
nv_cmd = address << 16;
|
|
nv_cmd |= NV_READ_OP;
|
|
|
|
data = le16_to_cpu(qla1280_nvram_request(ha, nv_cmd));
|
|
|
|
dprintk(8, "qla1280_get_nvram_word: exiting normally NVRAM data = "
|
|
"0x%x", data);
|
|
|
|
return data;
|
|
}
|
|
|
|
/*
|
|
* NVRAM request
|
|
* Sends read command to NVRAM and gets data from NVRAM.
|
|
*
|
|
* Input:
|
|
* ha = adapter block pointer.
|
|
* nv_cmd = Bit 26 = start bit
|
|
* Bit 25, 24 = opcode
|
|
* Bit 23-16 = address
|
|
* Bit 15-0 = write data
|
|
*
|
|
* Returns:
|
|
* data word.
|
|
*/
|
|
static uint16_t
|
|
qla1280_nvram_request(struct scsi_qla_host *ha, uint32_t nv_cmd)
|
|
{
|
|
struct device_reg __iomem *reg = ha->iobase;
|
|
int cnt;
|
|
uint16_t data = 0;
|
|
uint16_t reg_data;
|
|
|
|
/* Send command to NVRAM. */
|
|
|
|
nv_cmd <<= 5;
|
|
for (cnt = 0; cnt < 11; cnt++) {
|
|
if (nv_cmd & BIT_31)
|
|
qla1280_nv_write(ha, NV_DATA_OUT);
|
|
else
|
|
qla1280_nv_write(ha, 0);
|
|
nv_cmd <<= 1;
|
|
}
|
|
|
|
/* Read data from NVRAM. */
|
|
|
|
for (cnt = 0; cnt < 16; cnt++) {
|
|
WRT_REG_WORD(®->nvram, (NV_SELECT | NV_CLOCK));
|
|
RD_REG_WORD(®->id_l); /* Flush PCI write */
|
|
NVRAM_DELAY();
|
|
data <<= 1;
|
|
reg_data = RD_REG_WORD(®->nvram);
|
|
if (reg_data & NV_DATA_IN)
|
|
data |= BIT_0;
|
|
WRT_REG_WORD(®->nvram, NV_SELECT);
|
|
RD_REG_WORD(®->id_l); /* Flush PCI write */
|
|
NVRAM_DELAY();
|
|
}
|
|
|
|
/* Deselect chip. */
|
|
|
|
WRT_REG_WORD(®->nvram, NV_DESELECT);
|
|
RD_REG_WORD(®->id_l); /* Flush PCI write */
|
|
NVRAM_DELAY();
|
|
|
|
return data;
|
|
}
|
|
|
|
static void
|
|
qla1280_nv_write(struct scsi_qla_host *ha, uint16_t data)
|
|
{
|
|
struct device_reg __iomem *reg = ha->iobase;
|
|
|
|
WRT_REG_WORD(®->nvram, data | NV_SELECT);
|
|
RD_REG_WORD(®->id_l); /* Flush PCI write */
|
|
NVRAM_DELAY();
|
|
WRT_REG_WORD(®->nvram, data | NV_SELECT | NV_CLOCK);
|
|
RD_REG_WORD(®->id_l); /* Flush PCI write */
|
|
NVRAM_DELAY();
|
|
WRT_REG_WORD(®->nvram, data | NV_SELECT);
|
|
RD_REG_WORD(®->id_l); /* Flush PCI write */
|
|
NVRAM_DELAY();
|
|
}
|
|
|
|
/*
|
|
* Mailbox Command
|
|
* Issue mailbox command and waits for completion.
|
|
*
|
|
* Input:
|
|
* ha = adapter block pointer.
|
|
* mr = mailbox registers to load.
|
|
* mb = data pointer for mailbox registers.
|
|
*
|
|
* Output:
|
|
* mb[MAILBOX_REGISTER_COUNT] = returned mailbox data.
|
|
*
|
|
* Returns:
|
|
* 0 = success
|
|
*/
|
|
static int
|
|
qla1280_mailbox_command(struct scsi_qla_host *ha, uint8_t mr, uint16_t *mb)
|
|
{
|
|
struct device_reg __iomem *reg = ha->iobase;
|
|
#if 0
|
|
LIST_HEAD(done_q);
|
|
#endif
|
|
int status = 0;
|
|
int cnt;
|
|
uint16_t *optr, *iptr;
|
|
uint16_t __iomem *mptr;
|
|
uint16_t data;
|
|
DECLARE_COMPLETION_ONSTACK(wait);
|
|
struct timer_list timer;
|
|
|
|
ENTER("qla1280_mailbox_command");
|
|
|
|
if (ha->mailbox_wait) {
|
|
printk(KERN_ERR "Warning mailbox wait already in use!\n");
|
|
}
|
|
ha->mailbox_wait = &wait;
|
|
|
|
/*
|
|
* We really should start out by verifying that the mailbox is
|
|
* available before starting sending the command data
|
|
*/
|
|
/* Load mailbox registers. */
|
|
mptr = (uint16_t __iomem *) ®->mailbox0;
|
|
iptr = mb;
|
|
for (cnt = 0; cnt < MAILBOX_REGISTER_COUNT; cnt++) {
|
|
if (mr & BIT_0) {
|
|
WRT_REG_WORD(mptr, (*iptr));
|
|
}
|
|
|
|
mr >>= 1;
|
|
mptr++;
|
|
iptr++;
|
|
}
|
|
|
|
/* Issue set host interrupt command. */
|
|
|
|
/* set up a timer just in case we're really jammed */
|
|
init_timer(&timer);
|
|
timer.expires = jiffies + 20*HZ;
|
|
timer.data = (unsigned long)ha;
|
|
timer.function = qla1280_mailbox_timeout;
|
|
add_timer(&timer);
|
|
|
|
spin_unlock_irq(ha->host->host_lock);
|
|
WRT_REG_WORD(®->host_cmd, HC_SET_HOST_INT);
|
|
data = qla1280_debounce_register(®->istatus);
|
|
|
|
wait_for_completion(&wait);
|
|
del_timer_sync(&timer);
|
|
|
|
spin_lock_irq(ha->host->host_lock);
|
|
|
|
ha->mailbox_wait = NULL;
|
|
|
|
/* Check for mailbox command timeout. */
|
|
if (ha->mailbox_out[0] != MBS_CMD_CMP) {
|
|
printk(KERN_WARNING "qla1280_mailbox_command: Command failed, "
|
|
"mailbox0 = 0x%04x, mailbox_out0 = 0x%04x, istatus = "
|
|
"0x%04x\n",
|
|
mb[0], ha->mailbox_out[0], RD_REG_WORD(®->istatus));
|
|
printk(KERN_WARNING "m0 %04x, m1 %04x, m2 %04x, m3 %04x\n",
|
|
RD_REG_WORD(®->mailbox0), RD_REG_WORD(®->mailbox1),
|
|
RD_REG_WORD(®->mailbox2), RD_REG_WORD(®->mailbox3));
|
|
printk(KERN_WARNING "m4 %04x, m5 %04x, m6 %04x, m7 %04x\n",
|
|
RD_REG_WORD(®->mailbox4), RD_REG_WORD(®->mailbox5),
|
|
RD_REG_WORD(®->mailbox6), RD_REG_WORD(®->mailbox7));
|
|
status = 1;
|
|
}
|
|
|
|
/* Load return mailbox registers. */
|
|
optr = mb;
|
|
iptr = (uint16_t *) &ha->mailbox_out[0];
|
|
mr = MAILBOX_REGISTER_COUNT;
|
|
memcpy(optr, iptr, MAILBOX_REGISTER_COUNT * sizeof(uint16_t));
|
|
|
|
#if 0
|
|
/* Go check for any response interrupts pending. */
|
|
qla1280_isr(ha, &done_q);
|
|
#endif
|
|
|
|
if (ha->flags.reset_marker)
|
|
qla1280_rst_aen(ha);
|
|
|
|
#if 0
|
|
if (!list_empty(&done_q))
|
|
qla1280_done(ha, &done_q);
|
|
#endif
|
|
|
|
if (status)
|
|
dprintk(2, "qla1280_mailbox_command: **** FAILED, mailbox0 = "
|
|
"0x%x ****\n", mb[0]);
|
|
|
|
LEAVE("qla1280_mailbox_command");
|
|
return status;
|
|
}
|
|
|
|
/*
|
|
* qla1280_poll
|
|
* Polls ISP for interrupts.
|
|
*
|
|
* Input:
|
|
* ha = adapter block pointer.
|
|
*/
|
|
static void
|
|
qla1280_poll(struct scsi_qla_host *ha)
|
|
{
|
|
struct device_reg __iomem *reg = ha->iobase;
|
|
uint16_t data;
|
|
LIST_HEAD(done_q);
|
|
|
|
/* ENTER("qla1280_poll"); */
|
|
|
|
/* Check for pending interrupts. */
|
|
data = RD_REG_WORD(®->istatus);
|
|
if (data & RISC_INT)
|
|
qla1280_isr(ha, &done_q);
|
|
|
|
if (!ha->mailbox_wait) {
|
|
if (ha->flags.reset_marker)
|
|
qla1280_rst_aen(ha);
|
|
}
|
|
|
|
if (!list_empty(&done_q))
|
|
qla1280_done(ha);
|
|
|
|
/* LEAVE("qla1280_poll"); */
|
|
}
|
|
|
|
/*
|
|
* qla1280_bus_reset
|
|
* Issue SCSI bus reset.
|
|
*
|
|
* Input:
|
|
* ha = adapter block pointer.
|
|
* bus = SCSI bus number.
|
|
*
|
|
* Returns:
|
|
* 0 = success
|
|
*/
|
|
static int
|
|
qla1280_bus_reset(struct scsi_qla_host *ha, int bus)
|
|
{
|
|
uint16_t mb[MAILBOX_REGISTER_COUNT];
|
|
uint16_t reset_delay;
|
|
int status;
|
|
|
|
dprintk(3, "qla1280_bus_reset: entered\n");
|
|
|
|
if (qla1280_verbose)
|
|
printk(KERN_INFO "scsi(%li:%i): Resetting SCSI BUS\n",
|
|
ha->host_no, bus);
|
|
|
|
reset_delay = ha->bus_settings[bus].bus_reset_delay;
|
|
mb[0] = MBC_BUS_RESET;
|
|
mb[1] = reset_delay;
|
|
mb[2] = (uint16_t) bus;
|
|
status = qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]);
|
|
|
|
if (status) {
|
|
if (ha->bus_settings[bus].failed_reset_count > 2)
|
|
ha->bus_settings[bus].scsi_bus_dead = 1;
|
|
ha->bus_settings[bus].failed_reset_count++;
|
|
} else {
|
|
spin_unlock_irq(ha->host->host_lock);
|
|
ssleep(reset_delay);
|
|
spin_lock_irq(ha->host->host_lock);
|
|
|
|
ha->bus_settings[bus].scsi_bus_dead = 0;
|
|
ha->bus_settings[bus].failed_reset_count = 0;
|
|
ha->bus_settings[bus].reset_marker = 0;
|
|
/* Issue marker command. */
|
|
qla1280_marker(ha, bus, 0, 0, MK_SYNC_ALL);
|
|
}
|
|
|
|
/*
|
|
* We should probably call qla1280_set_target_parameters()
|
|
* here as well for all devices on the bus.
|
|
*/
|
|
|
|
if (status)
|
|
dprintk(2, "qla1280_bus_reset: **** FAILED ****\n");
|
|
else
|
|
dprintk(3, "qla1280_bus_reset: exiting normally\n");
|
|
|
|
return status;
|
|
}
|
|
|
|
/*
|
|
* qla1280_device_reset
|
|
* Issue bus device reset message to the target.
|
|
*
|
|
* Input:
|
|
* ha = adapter block pointer.
|
|
* bus = SCSI BUS number.
|
|
* target = SCSI ID.
|
|
*
|
|
* Returns:
|
|
* 0 = success
|
|
*/
|
|
static int
|
|
qla1280_device_reset(struct scsi_qla_host *ha, int bus, int target)
|
|
{
|
|
uint16_t mb[MAILBOX_REGISTER_COUNT];
|
|
int status;
|
|
|
|
ENTER("qla1280_device_reset");
|
|
|
|
mb[0] = MBC_ABORT_TARGET;
|
|
mb[1] = (bus ? (target | BIT_7) : target) << 8;
|
|
mb[2] = 1;
|
|
status = qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]);
|
|
|
|
/* Issue marker command. */
|
|
qla1280_marker(ha, bus, target, 0, MK_SYNC_ID);
|
|
|
|
if (status)
|
|
dprintk(2, "qla1280_device_reset: **** FAILED ****\n");
|
|
|
|
LEAVE("qla1280_device_reset");
|
|
return status;
|
|
}
|
|
|
|
/*
|
|
* qla1280_abort_device
|
|
* Issue an abort message to the device
|
|
*
|
|
* Input:
|
|
* ha = adapter block pointer.
|
|
* bus = SCSI BUS.
|
|
* target = SCSI ID.
|
|
* lun = SCSI LUN.
|
|
*
|
|
* Returns:
|
|
* 0 = success
|
|
*/
|
|
static int
|
|
qla1280_abort_device(struct scsi_qla_host *ha, int bus, int target, int lun)
|
|
{
|
|
uint16_t mb[MAILBOX_REGISTER_COUNT];
|
|
int status;
|
|
|
|
ENTER("qla1280_abort_device");
|
|
|
|
mb[0] = MBC_ABORT_DEVICE;
|
|
mb[1] = (bus ? target | BIT_7 : target) << 8 | lun;
|
|
status = qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]);
|
|
|
|
/* Issue marker command. */
|
|
qla1280_marker(ha, bus, target, lun, MK_SYNC_ID_LUN);
|
|
|
|
if (status)
|
|
dprintk(2, "qla1280_abort_device: **** FAILED ****\n");
|
|
|
|
LEAVE("qla1280_abort_device");
|
|
return status;
|
|
}
|
|
|
|
/*
|
|
* qla1280_abort_command
|
|
* Abort command aborts a specified IOCB.
|
|
*
|
|
* Input:
|
|
* ha = adapter block pointer.
|
|
* sp = SB structure pointer.
|
|
*
|
|
* Returns:
|
|
* 0 = success
|
|
*/
|
|
static int
|
|
qla1280_abort_command(struct scsi_qla_host *ha, struct srb * sp, int handle)
|
|
{
|
|
uint16_t mb[MAILBOX_REGISTER_COUNT];
|
|
unsigned int bus, target, lun;
|
|
int status;
|
|
|
|
ENTER("qla1280_abort_command");
|
|
|
|
bus = SCSI_BUS_32(sp->cmd);
|
|
target = SCSI_TCN_32(sp->cmd);
|
|
lun = SCSI_LUN_32(sp->cmd);
|
|
|
|
sp->flags |= SRB_ABORT_PENDING;
|
|
|
|
mb[0] = MBC_ABORT_COMMAND;
|
|
mb[1] = (bus ? target | BIT_7 : target) << 8 | lun;
|
|
mb[2] = handle >> 16;
|
|
mb[3] = handle & 0xffff;
|
|
status = qla1280_mailbox_command(ha, 0x0f, &mb[0]);
|
|
|
|
if (status) {
|
|
dprintk(2, "qla1280_abort_command: **** FAILED ****\n");
|
|
sp->flags &= ~SRB_ABORT_PENDING;
|
|
}
|
|
|
|
|
|
LEAVE("qla1280_abort_command");
|
|
return status;
|
|
}
|
|
|
|
/*
|
|
* qla1280_reset_adapter
|
|
* Reset adapter.
|
|
*
|
|
* Input:
|
|
* ha = adapter block pointer.
|
|
*/
|
|
static void
|
|
qla1280_reset_adapter(struct scsi_qla_host *ha)
|
|
{
|
|
struct device_reg __iomem *reg = ha->iobase;
|
|
|
|
ENTER("qla1280_reset_adapter");
|
|
|
|
/* Disable ISP chip */
|
|
ha->flags.online = 0;
|
|
WRT_REG_WORD(®->ictrl, ISP_RESET);
|
|
WRT_REG_WORD(®->host_cmd,
|
|
HC_RESET_RISC | HC_RELEASE_RISC | HC_DISABLE_BIOS);
|
|
RD_REG_WORD(®->id_l); /* Flush PCI write */
|
|
|
|
LEAVE("qla1280_reset_adapter");
|
|
}
|
|
|
|
/*
|
|
* Issue marker command.
|
|
* Function issues marker IOCB.
|
|
*
|
|
* Input:
|
|
* ha = adapter block pointer.
|
|
* bus = SCSI BUS number
|
|
* id = SCSI ID
|
|
* lun = SCSI LUN
|
|
* type = marker modifier
|
|
*/
|
|
static void
|
|
qla1280_marker(struct scsi_qla_host *ha, int bus, int id, int lun, u8 type)
|
|
{
|
|
struct mrk_entry *pkt;
|
|
|
|
ENTER("qla1280_marker");
|
|
|
|
/* Get request packet. */
|
|
if ((pkt = (struct mrk_entry *) qla1280_req_pkt(ha))) {
|
|
pkt->entry_type = MARKER_TYPE;
|
|
pkt->lun = (uint8_t) lun;
|
|
pkt->target = (uint8_t) (bus ? (id | BIT_7) : id);
|
|
pkt->modifier = type;
|
|
pkt->entry_status = 0;
|
|
|
|
/* Issue command to ISP */
|
|
qla1280_isp_cmd(ha);
|
|
}
|
|
|
|
LEAVE("qla1280_marker");
|
|
}
|
|
|
|
|
|
/*
|
|
* qla1280_64bit_start_scsi
|
|
* The start SCSI is responsible for building request packets on
|
|
* request ring and modifying ISP input pointer.
|
|
*
|
|
* Input:
|
|
* ha = adapter block pointer.
|
|
* sp = SB structure pointer.
|
|
*
|
|
* Returns:
|
|
* 0 = success, was able to issue command.
|
|
*/
|
|
#ifdef QLA_64BIT_PTR
|
|
static int
|
|
qla1280_64bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
|
|
{
|
|
struct device_reg __iomem *reg = ha->iobase;
|
|
struct scsi_cmnd *cmd = sp->cmd;
|
|
cmd_a64_entry_t *pkt;
|
|
struct scatterlist *sg = NULL;
|
|
__le32 *dword_ptr;
|
|
dma_addr_t dma_handle;
|
|
int status = 0;
|
|
int cnt;
|
|
int req_cnt;
|
|
u16 seg_cnt;
|
|
u8 dir;
|
|
|
|
ENTER("qla1280_64bit_start_scsi:");
|
|
|
|
/* Calculate number of entries and segments required. */
|
|
req_cnt = 1;
|
|
if (cmd->use_sg) {
|
|
sg = (struct scatterlist *) cmd->request_buffer;
|
|
seg_cnt = pci_map_sg(ha->pdev, sg, cmd->use_sg,
|
|
cmd->sc_data_direction);
|
|
|
|
if (seg_cnt > 2) {
|
|
req_cnt += (seg_cnt - 2) / 5;
|
|
if ((seg_cnt - 2) % 5)
|
|
req_cnt++;
|
|
}
|
|
} else if (cmd->request_bufflen) { /* If data transfer. */
|
|
seg_cnt = 1;
|
|
} else {
|
|
seg_cnt = 0;
|
|
}
|
|
|
|
if ((req_cnt + 2) >= ha->req_q_cnt) {
|
|
/* Calculate number of free request entries. */
|
|
cnt = RD_REG_WORD(®->mailbox4);
|
|
if (ha->req_ring_index < cnt)
|
|
ha->req_q_cnt = cnt - ha->req_ring_index;
|
|
else
|
|
ha->req_q_cnt =
|
|
REQUEST_ENTRY_CNT - (ha->req_ring_index - cnt);
|
|
}
|
|
|
|
dprintk(3, "Number of free entries=(%d) seg_cnt=0x%x\n",
|
|
ha->req_q_cnt, seg_cnt);
|
|
|
|
/* If room for request in request ring. */
|
|
if ((req_cnt + 2) >= ha->req_q_cnt) {
|
|
status = 1;
|
|
dprintk(2, "qla1280_start_scsi: in-ptr=0x%x req_q_cnt="
|
|
"0x%xreq_cnt=0x%x", ha->req_ring_index, ha->req_q_cnt,
|
|
req_cnt);
|
|
goto out;
|
|
}
|
|
|
|
/* Check for room in outstanding command list. */
|
|
for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS &&
|
|
ha->outstanding_cmds[cnt] != 0; cnt++);
|
|
|
|
if (cnt >= MAX_OUTSTANDING_COMMANDS) {
|
|
status = 1;
|
|
dprintk(2, "qla1280_start_scsi: NO ROOM IN "
|
|
"OUTSTANDING ARRAY, req_q_cnt=0x%x", ha->req_q_cnt);
|
|
goto out;
|
|
}
|
|
|
|
ha->outstanding_cmds[cnt] = sp;
|
|
ha->req_q_cnt -= req_cnt;
|
|
CMD_HANDLE(sp->cmd) = (unsigned char *)(unsigned long)(cnt + 1);
|
|
|
|
dprintk(2, "start: cmd=%p sp=%p CDB=%xm, handle %lx\n", cmd, sp,
|
|
cmd->cmnd[0], (long)CMD_HANDLE(sp->cmd));
|
|
dprintk(2, " bus %i, target %i, lun %i\n",
|
|
SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), SCSI_LUN_32(cmd));
|
|
qla1280_dump_buffer(2, cmd->cmnd, MAX_COMMAND_SIZE);
|
|
|
|
/*
|
|
* Build command packet.
|
|
*/
|
|
pkt = (cmd_a64_entry_t *) ha->request_ring_ptr;
|
|
|
|
pkt->entry_type = COMMAND_A64_TYPE;
|
|
pkt->entry_count = (uint8_t) req_cnt;
|
|
pkt->sys_define = (uint8_t) ha->req_ring_index;
|
|
pkt->entry_status = 0;
|
|
pkt->handle = cpu_to_le32(cnt);
|
|
|
|
/* Zero out remaining portion of packet. */
|
|
memset(((char *)pkt + 8), 0, (REQUEST_ENTRY_SIZE - 8));
|
|
|
|
/* Set ISP command timeout. */
|
|
pkt->timeout = cpu_to_le16(cmd->timeout_per_command/HZ);
|
|
|
|
/* Set device target ID and LUN */
|
|
pkt->lun = SCSI_LUN_32(cmd);
|
|
pkt->target = SCSI_BUS_32(cmd) ?
|
|
(SCSI_TCN_32(cmd) | BIT_7) : SCSI_TCN_32(cmd);
|
|
|
|
/* Enable simple tag queuing if device supports it. */
|
|
if (cmd->device->simple_tags)
|
|
pkt->control_flags |= cpu_to_le16(BIT_3);
|
|
|
|
/* Load SCSI command packet. */
|
|
pkt->cdb_len = cpu_to_le16(CMD_CDBLEN(cmd));
|
|
memcpy(pkt->scsi_cdb, &(CMD_CDBP(cmd)), CMD_CDBLEN(cmd));
|
|
/* dprintk(1, "Build packet for command[0]=0x%x\n",pkt->scsi_cdb[0]); */
|
|
|
|
/* Set transfer direction. */
|
|
dir = qla1280_data_direction(cmd);
|
|
pkt->control_flags |= cpu_to_le16(dir);
|
|
|
|
/* Set total data segment count. */
|
|
pkt->dseg_count = cpu_to_le16(seg_cnt);
|
|
|
|
/*
|
|
* Load data segments.
|
|
*/
|
|
if (seg_cnt) { /* If data transfer. */
|
|
/* Setup packet address segment pointer. */
|
|
dword_ptr = (u32 *)&pkt->dseg_0_address;
|
|
|
|
if (cmd->use_sg) { /* If scatter gather */
|
|
/* Load command entry data segments. */
|
|
for (cnt = 0; cnt < 2 && seg_cnt; cnt++, seg_cnt--) {
|
|
dma_handle = sg_dma_address(sg);
|
|
#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
|
|
if (ha->flags.use_pci_vchannel)
|
|
sn_pci_set_vchan(ha->pdev,
|
|
(unsigned long *)&dma_handle,
|
|
SCSI_BUS_32(cmd));
|
|
#endif
|
|
*dword_ptr++ =
|
|
cpu_to_le32(pci_dma_lo32(dma_handle));
|
|
*dword_ptr++ =
|
|
cpu_to_le32(pci_dma_hi32(dma_handle));
|
|
*dword_ptr++ = cpu_to_le32(sg_dma_len(sg));
|
|
sg++;
|
|
dprintk(3, "S/G Segment phys_addr=%x %x, len=0x%x\n",
|
|
cpu_to_le32(pci_dma_hi32(dma_handle)),
|
|
cpu_to_le32(pci_dma_lo32(dma_handle)),
|
|
cpu_to_le32(sg_dma_len(sg)));
|
|
}
|
|
dprintk(5, "qla1280_64bit_start_scsi: Scatter/gather "
|
|
"command packet data - b %i, t %i, l %i \n",
|
|
SCSI_BUS_32(cmd), SCSI_TCN_32(cmd),
|
|
SCSI_LUN_32(cmd));
|
|
qla1280_dump_buffer(5, (char *)pkt,
|
|
REQUEST_ENTRY_SIZE);
|
|
|
|
/*
|
|
* Build continuation packets.
|
|
*/
|
|
dprintk(3, "S/G Building Continuation...seg_cnt=0x%x "
|
|
"remains\n", seg_cnt);
|
|
|
|
while (seg_cnt > 0) {
|
|
/* Adjust ring index. */
|
|
ha->req_ring_index++;
|
|
if (ha->req_ring_index == REQUEST_ENTRY_CNT) {
|
|
ha->req_ring_index = 0;
|
|
ha->request_ring_ptr =
|
|
ha->request_ring;
|
|
} else
|
|
ha->request_ring_ptr++;
|
|
|
|
pkt = (cmd_a64_entry_t *)ha->request_ring_ptr;
|
|
|
|
/* Zero out packet. */
|
|
memset(pkt, 0, REQUEST_ENTRY_SIZE);
|
|
|
|
/* Load packet defaults. */
|
|
((struct cont_a64_entry *) pkt)->entry_type =
|
|
CONTINUE_A64_TYPE;
|
|
((struct cont_a64_entry *) pkt)->entry_count = 1;
|
|
((struct cont_a64_entry *) pkt)->sys_define =
|
|
(uint8_t)ha->req_ring_index;
|
|
/* Setup packet address segment pointer. */
|
|
dword_ptr =
|
|
(u32 *)&((struct cont_a64_entry *) pkt)->dseg_0_address;
|
|
|
|
/* Load continuation entry data segments. */
|
|
for (cnt = 0; cnt < 5 && seg_cnt;
|
|
cnt++, seg_cnt--) {
|
|
dma_handle = sg_dma_address(sg);
|
|
#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
|
|
if (ha->flags.use_pci_vchannel)
|
|
sn_pci_set_vchan(ha->pdev,
|
|
(unsigned long *)&dma_handle,
|
|
SCSI_BUS_32(cmd));
|
|
#endif
|
|
*dword_ptr++ =
|
|
cpu_to_le32(pci_dma_lo32(dma_handle));
|
|
*dword_ptr++ =
|
|
cpu_to_le32(pci_dma_hi32(dma_handle));
|
|
*dword_ptr++ =
|
|
cpu_to_le32(sg_dma_len(sg));
|
|
dprintk(3, "S/G Segment Cont. phys_addr=%x %x, len=0x%x\n",
|
|
cpu_to_le32(pci_dma_hi32(dma_handle)),
|
|
cpu_to_le32(pci_dma_lo32(dma_handle)),
|
|
cpu_to_le32(sg_dma_len(sg)));
|
|
sg++;
|
|
}
|
|
dprintk(5, "qla1280_64bit_start_scsi: "
|
|
"continuation packet data - b %i, t "
|
|
"%i, l %i \n", SCSI_BUS_32(cmd),
|
|
SCSI_TCN_32(cmd), SCSI_LUN_32(cmd));
|
|
qla1280_dump_buffer(5, (char *)pkt,
|
|
REQUEST_ENTRY_SIZE);
|
|
}
|
|
} else { /* No scatter gather data transfer */
|
|
dma_handle = pci_map_single(ha->pdev,
|
|
cmd->request_buffer,
|
|
cmd->request_bufflen,
|
|
cmd->sc_data_direction);
|
|
|
|
sp->saved_dma_handle = dma_handle;
|
|
#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
|
|
if (ha->flags.use_pci_vchannel)
|
|
sn_pci_set_vchan(ha->pdev,
|
|
(unsigned long *)&dma_handle,
|
|
SCSI_BUS_32(cmd));
|
|
#endif
|
|
*dword_ptr++ = cpu_to_le32(pci_dma_lo32(dma_handle));
|
|
*dword_ptr++ = cpu_to_le32(pci_dma_hi32(dma_handle));
|
|
*dword_ptr = cpu_to_le32(cmd->request_bufflen);
|
|
|
|
dprintk(5, "qla1280_64bit_start_scsi: No scatter/"
|
|
"gather command packet data - b %i, t %i, "
|
|
"l %i \n", SCSI_BUS_32(cmd), SCSI_TCN_32(cmd),
|
|
SCSI_LUN_32(cmd));
|
|
qla1280_dump_buffer(5, (char *)pkt,
|
|
REQUEST_ENTRY_SIZE);
|
|
}
|
|
} else { /* No data transfer */
|
|
dprintk(5, "qla1280_64bit_start_scsi: No data, command "
|
|
"packet data - b %i, t %i, l %i \n",
|
|
SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), SCSI_LUN_32(cmd));
|
|
qla1280_dump_buffer(5, (char *)pkt, REQUEST_ENTRY_SIZE);
|
|
}
|
|
/* Adjust ring index. */
|
|
ha->req_ring_index++;
|
|
if (ha->req_ring_index == REQUEST_ENTRY_CNT) {
|
|
ha->req_ring_index = 0;
|
|
ha->request_ring_ptr = ha->request_ring;
|
|
} else
|
|
ha->request_ring_ptr++;
|
|
|
|
/* Set chip new ring index. */
|
|
dprintk(2,
|
|
"qla1280_64bit_start_scsi: Wakeup RISC for pending command\n");
|
|
sp->flags |= SRB_SENT;
|
|
ha->actthreads++;
|
|
WRT_REG_WORD(®->mailbox4, ha->req_ring_index);
|
|
/* Enforce mmio write ordering; see comment in qla1280_isp_cmd(). */
|
|
mmiowb();
|
|
|
|
out:
|
|
if (status)
|
|
dprintk(2, "qla1280_64bit_start_scsi: **** FAILED ****\n");
|
|
else
|
|
dprintk(3, "qla1280_64bit_start_scsi: exiting normally\n");
|
|
|
|
return status;
|
|
}
|
|
#else /* !QLA_64BIT_PTR */
|
|
|
|
/*
|
|
* qla1280_32bit_start_scsi
|
|
* The start SCSI is responsible for building request packets on
|
|
* request ring and modifying ISP input pointer.
|
|
*
|
|
* The Qlogic firmware interface allows every queue slot to have a SCSI
|
|
* command and up to 4 scatter/gather (SG) entries. If we need more
|
|
* than 4 SG entries, then continuation entries are used that can
|
|
* hold another 7 entries each. The start routine determines if there
|
|
* is eought empty slots then build the combination of requests to
|
|
* fulfill the OS request.
|
|
*
|
|
* Input:
|
|
* ha = adapter block pointer.
|
|
* sp = SCSI Request Block structure pointer.
|
|
*
|
|
* Returns:
|
|
* 0 = success, was able to issue command.
|
|
*/
|
|
static int
|
|
qla1280_32bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
|
|
{
|
|
struct device_reg __iomem *reg = ha->iobase;
|
|
struct scsi_cmnd *cmd = sp->cmd;
|
|
struct cmd_entry *pkt;
|
|
struct scatterlist *sg = NULL;
|
|
__le32 *dword_ptr;
|
|
int status = 0;
|
|
int cnt;
|
|
int req_cnt;
|
|
uint16_t seg_cnt;
|
|
dma_addr_t dma_handle;
|
|
u8 dir;
|
|
|
|
ENTER("qla1280_32bit_start_scsi");
|
|
|
|
dprintk(1, "32bit_start: cmd=%p sp=%p CDB=%x\n", cmd, sp,
|
|
cmd->cmnd[0]);
|
|
|
|
/* Calculate number of entries and segments required. */
|
|
req_cnt = 1;
|
|
if (cmd->use_sg) {
|
|
/*
|
|
* We must build an SG list in adapter format, as the kernel's
|
|
* SG list cannot be used directly because of data field size
|
|
* (__alpha__) differences and the kernel SG list uses virtual
|
|
* addresses where we need physical addresses.
|
|
*/
|
|
sg = (struct scatterlist *) cmd->request_buffer;
|
|
seg_cnt = pci_map_sg(ha->pdev, sg, cmd->use_sg,
|
|
cmd->sc_data_direction);
|
|
|
|
/*
|
|
* if greater than four sg entries then we need to allocate
|
|
* continuation entries
|
|
*/
|
|
if (seg_cnt > 4) {
|
|
req_cnt += (seg_cnt - 4) / 7;
|
|
if ((seg_cnt - 4) % 7)
|
|
req_cnt++;
|
|
}
|
|
dprintk(3, "S/G Transfer cmd=%p seg_cnt=0x%x, req_cnt=%x\n",
|
|
cmd, seg_cnt, req_cnt);
|
|
} else if (cmd->request_bufflen) { /* If data transfer. */
|
|
dprintk(3, "No S/G transfer t=%x cmd=%p len=%x CDB=%x\n",
|
|
SCSI_TCN_32(cmd), cmd, cmd->request_bufflen,
|
|
cmd->cmnd[0]);
|
|
seg_cnt = 1;
|
|
} else {
|
|
/* dprintk(1, "No data transfer \n"); */
|
|
seg_cnt = 0;
|
|
}
|
|
|
|
if ((req_cnt + 2) >= ha->req_q_cnt) {
|
|
/* Calculate number of free request entries. */
|
|
cnt = RD_REG_WORD(®->mailbox4);
|
|
if (ha->req_ring_index < cnt)
|
|
ha->req_q_cnt = cnt - ha->req_ring_index;
|
|
else
|
|
ha->req_q_cnt =
|
|
REQUEST_ENTRY_CNT - (ha->req_ring_index - cnt);
|
|
}
|
|
|
|
dprintk(3, "Number of free entries=(%d) seg_cnt=0x%x\n",
|
|
ha->req_q_cnt, seg_cnt);
|
|
/* If room for request in request ring. */
|
|
if ((req_cnt + 2) >= ha->req_q_cnt) {
|
|
status = 1;
|
|
dprintk(2, "qla1280_32bit_start_scsi: in-ptr=0x%x, "
|
|
"req_q_cnt=0x%x, req_cnt=0x%x", ha->req_ring_index,
|
|
ha->req_q_cnt, req_cnt);
|
|
goto out;
|
|
}
|
|
|
|
/* Check for empty slot in outstanding command list. */
|
|
for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS &&
|
|
(ha->outstanding_cmds[cnt] != 0); cnt++) ;
|
|
|
|
if (cnt >= MAX_OUTSTANDING_COMMANDS) {
|
|
status = 1;
|
|
dprintk(2, "qla1280_32bit_start_scsi: NO ROOM IN OUTSTANDING "
|
|
"ARRAY, req_q_cnt=0x%x\n", ha->req_q_cnt);
|
|
goto out;
|
|
}
|
|
|
|
CMD_HANDLE(sp->cmd) = (unsigned char *) (unsigned long)(cnt + 1);
|
|
ha->outstanding_cmds[cnt] = sp;
|
|
ha->req_q_cnt -= req_cnt;
|
|
|
|
/*
|
|
* Build command packet.
|
|
*/
|
|
pkt = (struct cmd_entry *) ha->request_ring_ptr;
|
|
|
|
pkt->entry_type = COMMAND_TYPE;
|
|
pkt->entry_count = (uint8_t) req_cnt;
|
|
pkt->sys_define = (uint8_t) ha->req_ring_index;
|
|
pkt->entry_status = 0;
|
|
pkt->handle = cpu_to_le32(cnt);
|
|
|
|
/* Zero out remaining portion of packet. */
|
|
memset(((char *)pkt + 8), 0, (REQUEST_ENTRY_SIZE - 8));
|
|
|
|
/* Set ISP command timeout. */
|
|
pkt->timeout = cpu_to_le16(cmd->timeout_per_command/HZ);
|
|
|
|
/* Set device target ID and LUN */
|
|
pkt->lun = SCSI_LUN_32(cmd);
|
|
pkt->target = SCSI_BUS_32(cmd) ?
|
|
(SCSI_TCN_32(cmd) | BIT_7) : SCSI_TCN_32(cmd);
|
|
|
|
/* Enable simple tag queuing if device supports it. */
|
|
if (cmd->device->simple_tags)
|
|
pkt->control_flags |= cpu_to_le16(BIT_3);
|
|
|
|
/* Load SCSI command packet. */
|
|
pkt->cdb_len = cpu_to_le16(CMD_CDBLEN(cmd));
|
|
memcpy(pkt->scsi_cdb, &(CMD_CDBP(cmd)), CMD_CDBLEN(cmd));
|
|
|
|
/*dprintk(1, "Build packet for command[0]=0x%x\n",pkt->scsi_cdb[0]); */
|
|
/* Set transfer direction. */
|
|
dir = qla1280_data_direction(cmd);
|
|
pkt->control_flags |= cpu_to_le16(dir);
|
|
|
|
/* Set total data segment count. */
|
|
pkt->dseg_count = cpu_to_le16(seg_cnt);
|
|
|
|
/*
|
|
* Load data segments.
|
|
*/
|
|
if (seg_cnt) {
|
|
/* Setup packet address segment pointer. */
|
|
dword_ptr = &pkt->dseg_0_address;
|
|
|
|
if (cmd->use_sg) { /* If scatter gather */
|
|
dprintk(3, "Building S/G data segments..\n");
|
|
qla1280_dump_buffer(1, (char *)sg, 4 * 16);
|
|
|
|
/* Load command entry data segments. */
|
|
for (cnt = 0; cnt < 4 && seg_cnt; cnt++, seg_cnt--) {
|
|
*dword_ptr++ =
|
|
cpu_to_le32(pci_dma_lo32(sg_dma_address(sg)));
|
|
*dword_ptr++ =
|
|
cpu_to_le32(sg_dma_len(sg));
|
|
dprintk(3, "S/G Segment phys_addr=0x%lx, len=0x%x\n",
|
|
(pci_dma_lo32(sg_dma_address(sg))),
|
|
(sg_dma_len(sg)));
|
|
sg++;
|
|
}
|
|
/*
|
|
* Build continuation packets.
|
|
*/
|
|
dprintk(3, "S/G Building Continuation"
|
|
"...seg_cnt=0x%x remains\n", seg_cnt);
|
|
while (seg_cnt > 0) {
|
|
/* Adjust ring index. */
|
|
ha->req_ring_index++;
|
|
if (ha->req_ring_index == REQUEST_ENTRY_CNT) {
|
|
ha->req_ring_index = 0;
|
|
ha->request_ring_ptr =
|
|
ha->request_ring;
|
|
} else
|
|
ha->request_ring_ptr++;
|
|
|
|
pkt = (struct cmd_entry *)ha->request_ring_ptr;
|
|
|
|
/* Zero out packet. */
|
|
memset(pkt, 0, REQUEST_ENTRY_SIZE);
|
|
|
|
/* Load packet defaults. */
|
|
((struct cont_entry *) pkt)->
|
|
entry_type = CONTINUE_TYPE;
|
|
((struct cont_entry *) pkt)->entry_count = 1;
|
|
|
|
((struct cont_entry *) pkt)->sys_define =
|
|
(uint8_t) ha->req_ring_index;
|
|
|
|
/* Setup packet address segment pointer. */
|
|
dword_ptr =
|
|
&((struct cont_entry *) pkt)->dseg_0_address;
|
|
|
|
/* Load continuation entry data segments. */
|
|
for (cnt = 0; cnt < 7 && seg_cnt;
|
|
cnt++, seg_cnt--) {
|
|
*dword_ptr++ =
|
|
cpu_to_le32(pci_dma_lo32(sg_dma_address(sg)));
|
|
*dword_ptr++ =
|
|
cpu_to_le32(sg_dma_len(sg));
|
|
dprintk(1,
|
|
"S/G Segment Cont. phys_addr=0x%x, "
|
|
"len=0x%x\n",
|
|
cpu_to_le32(pci_dma_lo32(sg_dma_address(sg))),
|
|
cpu_to_le32(sg_dma_len(sg)));
|
|
sg++;
|
|
}
|
|
dprintk(5, "qla1280_32bit_start_scsi: "
|
|
"continuation packet data - "
|
|
"scsi(%i:%i:%i)\n", SCSI_BUS_32(cmd),
|
|
SCSI_TCN_32(cmd), SCSI_LUN_32(cmd));
|
|
qla1280_dump_buffer(5, (char *)pkt,
|
|
REQUEST_ENTRY_SIZE);
|
|
}
|
|
} else { /* No S/G data transfer */
|
|
dma_handle = pci_map_single(ha->pdev,
|
|
cmd->request_buffer,
|
|
cmd->request_bufflen,
|
|
cmd->sc_data_direction);
|
|
sp->saved_dma_handle = dma_handle;
|
|
|
|
*dword_ptr++ = cpu_to_le32(pci_dma_lo32(dma_handle));
|
|
*dword_ptr = cpu_to_le32(cmd->request_bufflen);
|
|
}
|
|
} else { /* No data transfer at all */
|
|
dprintk(5, "qla1280_32bit_start_scsi: No data, command "
|
|
"packet data - \n");
|
|
qla1280_dump_buffer(5, (char *)pkt, REQUEST_ENTRY_SIZE);
|
|
}
|
|
dprintk(5, "qla1280_32bit_start_scsi: First IOCB block:\n");
|
|
qla1280_dump_buffer(5, (char *)ha->request_ring_ptr,
|
|
REQUEST_ENTRY_SIZE);
|
|
|
|
/* Adjust ring index. */
|
|
ha->req_ring_index++;
|
|
if (ha->req_ring_index == REQUEST_ENTRY_CNT) {
|
|
ha->req_ring_index = 0;
|
|
ha->request_ring_ptr = ha->request_ring;
|
|
} else
|
|
ha->request_ring_ptr++;
|
|
|
|
/* Set chip new ring index. */
|
|
dprintk(2, "qla1280_32bit_start_scsi: Wakeup RISC "
|
|
"for pending command\n");
|
|
sp->flags |= SRB_SENT;
|
|
ha->actthreads++;
|
|
WRT_REG_WORD(®->mailbox4, ha->req_ring_index);
|
|
/* Enforce mmio write ordering; see comment in qla1280_isp_cmd(). */
|
|
mmiowb();
|
|
|
|
out:
|
|
if (status)
|
|
dprintk(2, "qla1280_32bit_start_scsi: **** FAILED ****\n");
|
|
|
|
LEAVE("qla1280_32bit_start_scsi");
|
|
|
|
return status;
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* qla1280_req_pkt
|
|
* Function is responsible for locking ring and
|
|
* getting a zeroed out request packet.
|
|
*
|
|
* Input:
|
|
* ha = adapter block pointer.
|
|
*
|
|
* Returns:
|
|
* 0 = failed to get slot.
|
|
*/
|
|
static request_t *
|
|
qla1280_req_pkt(struct scsi_qla_host *ha)
|
|
{
|
|
struct device_reg __iomem *reg = ha->iobase;
|
|
request_t *pkt = NULL;
|
|
int cnt;
|
|
uint32_t timer;
|
|
|
|
ENTER("qla1280_req_pkt");
|
|
|
|
/*
|
|
* This can be called from interrupt context, damn it!!!
|
|
*/
|
|
/* Wait for 30 seconds for slot. */
|
|
for (timer = 15000000; timer; timer--) {
|
|
if (ha->req_q_cnt > 0) {
|
|
/* Calculate number of free request entries. */
|
|
cnt = RD_REG_WORD(®->mailbox4);
|
|
if (ha->req_ring_index < cnt)
|
|
ha->req_q_cnt = cnt - ha->req_ring_index;
|
|
else
|
|
ha->req_q_cnt =
|
|
REQUEST_ENTRY_CNT - (ha->req_ring_index - cnt);
|
|
}
|
|
|
|
/* Found empty request ring slot? */
|
|
if (ha->req_q_cnt > 0) {
|
|
ha->req_q_cnt--;
|
|
pkt = ha->request_ring_ptr;
|
|
|
|
/* Zero out packet. */
|
|
memset(pkt, 0, REQUEST_ENTRY_SIZE);
|
|
|
|
/*
|
|
* How can this be right when we have a ring
|
|
* size of 512???
|
|
*/
|
|
/* Set system defined field. */
|
|
pkt->sys_define = (uint8_t) ha->req_ring_index;
|
|
|
|
/* Set entry count. */
|
|
pkt->entry_count = 1;
|
|
|
|
break;
|
|
}
|
|
|
|
udelay(2); /* 10 */
|
|
|
|
/* Check for pending interrupts. */
|
|
qla1280_poll(ha);
|
|
}
|
|
|
|
if (!pkt)
|
|
dprintk(2, "qla1280_req_pkt: **** FAILED ****\n");
|
|
else
|
|
dprintk(3, "qla1280_req_pkt: exiting normally\n");
|
|
|
|
return pkt;
|
|
}
|
|
|
|
/*
|
|
* qla1280_isp_cmd
|
|
* Function is responsible for modifying ISP input pointer.
|
|
* Releases ring lock.
|
|
*
|
|
* Input:
|
|
* ha = adapter block pointer.
|
|
*/
|
|
static void
|
|
qla1280_isp_cmd(struct scsi_qla_host *ha)
|
|
{
|
|
struct device_reg __iomem *reg = ha->iobase;
|
|
|
|
ENTER("qla1280_isp_cmd");
|
|
|
|
dprintk(5, "qla1280_isp_cmd: IOCB data:\n");
|
|
qla1280_dump_buffer(5, (char *)ha->request_ring_ptr,
|
|
REQUEST_ENTRY_SIZE);
|
|
|
|
/* Adjust ring index. */
|
|
ha->req_ring_index++;
|
|
if (ha->req_ring_index == REQUEST_ENTRY_CNT) {
|
|
ha->req_ring_index = 0;
|
|
ha->request_ring_ptr = ha->request_ring;
|
|
} else
|
|
ha->request_ring_ptr++;
|
|
|
|
/*
|
|
* Update request index to mailbox4 (Request Queue In).
|
|
* The mmiowb() ensures that this write is ordered with writes by other
|
|
* CPUs. Without the mmiowb(), it is possible for the following:
|
|
* CPUA posts write of index 5 to mailbox4
|
|
* CPUA releases host lock
|
|
* CPUB acquires host lock
|
|
* CPUB posts write of index 6 to mailbox4
|
|
* On PCI bus, order reverses and write of 6 posts, then index 5,
|
|
* causing chip to issue full queue of stale commands
|
|
* The mmiowb() prevents future writes from crossing the barrier.
|
|
* See Documentation/DocBook/deviceiobook.tmpl for more information.
|
|
*/
|
|
WRT_REG_WORD(®->mailbox4, ha->req_ring_index);
|
|
mmiowb();
|
|
|
|
LEAVE("qla1280_isp_cmd");
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/* Interrupt Service Routine. */
|
|
/****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* qla1280_isr
|
|
* Calls I/O done on command completion.
|
|
*
|
|
* Input:
|
|
* ha = adapter block pointer.
|
|
* done_q = done queue.
|
|
****************************************************************************/
|
|
static void
|
|
qla1280_isr(struct scsi_qla_host *ha, struct list_head *done_q)
|
|
{
|
|
struct device_reg __iomem *reg = ha->iobase;
|
|
struct response *pkt;
|
|
struct srb *sp = NULL;
|
|
uint16_t mailbox[MAILBOX_REGISTER_COUNT];
|
|
uint16_t *wptr;
|
|
uint32_t index;
|
|
u16 istatus;
|
|
|
|
ENTER("qla1280_isr");
|
|
|
|
istatus = RD_REG_WORD(®->istatus);
|
|
if (!(istatus & (RISC_INT | PCI_INT)))
|
|
return;
|
|
|
|
/* Save mailbox register 5 */
|
|
mailbox[5] = RD_REG_WORD(®->mailbox5);
|
|
|
|
/* Check for mailbox interrupt. */
|
|
|
|
mailbox[0] = RD_REG_WORD_dmasync(®->semaphore);
|
|
|
|
if (mailbox[0] & BIT_0) {
|
|
/* Get mailbox data. */
|
|
/* dprintk(1, "qla1280_isr: In Get mailbox data \n"); */
|
|
|
|
wptr = &mailbox[0];
|
|
*wptr++ = RD_REG_WORD(®->mailbox0);
|
|
*wptr++ = RD_REG_WORD(®->mailbox1);
|
|
*wptr = RD_REG_WORD(®->mailbox2);
|
|
if (mailbox[0] != MBA_SCSI_COMPLETION) {
|
|
wptr++;
|
|
*wptr++ = RD_REG_WORD(®->mailbox3);
|
|
*wptr++ = RD_REG_WORD(®->mailbox4);
|
|
wptr++;
|
|
*wptr++ = RD_REG_WORD(®->mailbox6);
|
|
*wptr = RD_REG_WORD(®->mailbox7);
|
|
}
|
|
|
|
/* Release mailbox registers. */
|
|
|
|
WRT_REG_WORD(®->semaphore, 0);
|
|
WRT_REG_WORD(®->host_cmd, HC_CLR_RISC_INT);
|
|
|
|
dprintk(5, "qla1280_isr: mailbox interrupt mailbox[0] = 0x%x",
|
|
mailbox[0]);
|
|
|
|
/* Handle asynchronous event */
|
|
switch (mailbox[0]) {
|
|
case MBA_SCSI_COMPLETION: /* Response completion */
|
|
dprintk(5, "qla1280_isr: mailbox SCSI response "
|
|
"completion\n");
|
|
|
|
if (ha->flags.online) {
|
|
/* Get outstanding command index. */
|
|
index = mailbox[2] << 16 | mailbox[1];
|
|
|
|
/* Validate handle. */
|
|
if (index < MAX_OUTSTANDING_COMMANDS)
|
|
sp = ha->outstanding_cmds[index];
|
|
else
|
|
sp = NULL;
|
|
|
|
if (sp) {
|
|
/* Free outstanding command slot. */
|
|
ha->outstanding_cmds[index] = NULL;
|
|
|
|
/* Save ISP completion status */
|
|
CMD_RESULT(sp->cmd) = 0;
|
|
|
|
/* Place block on done queue */
|
|
list_add_tail(&sp->list, done_q);
|
|
} else {
|
|
/*
|
|
* If we get here we have a real problem!
|
|
*/
|
|
printk(KERN_WARNING
|
|
"qla1280: ISP invalid handle");
|
|
}
|
|
}
|
|
break;
|
|
|
|
case MBA_BUS_RESET: /* SCSI Bus Reset */
|
|
ha->flags.reset_marker = 1;
|
|
index = mailbox[6] & BIT_0;
|
|
ha->bus_settings[index].reset_marker = 1;
|
|
|
|
printk(KERN_DEBUG "qla1280_isr(): index %i "
|
|
"asynchronous BUS_RESET\n", index);
|
|
break;
|
|
|
|
case MBA_SYSTEM_ERR: /* System Error */
|
|
printk(KERN_WARNING
|
|
"qla1280: ISP System Error - mbx1=%xh, mbx2="
|
|
"%xh, mbx3=%xh\n", mailbox[1], mailbox[2],
|
|
mailbox[3]);
|
|
break;
|
|
|
|
case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
|
|
printk(KERN_WARNING
|
|
"qla1280: ISP Request Transfer Error\n");
|
|
break;
|
|
|
|
case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */
|
|
printk(KERN_WARNING
|
|
"qla1280: ISP Response Transfer Error\n");
|
|
break;
|
|
|
|
case MBA_WAKEUP_THRES: /* Request Queue Wake-up */
|
|
dprintk(2, "qla1280_isr: asynchronous WAKEUP_THRES\n");
|
|
break;
|
|
|
|
case MBA_TIMEOUT_RESET: /* Execution Timeout Reset */
|
|
dprintk(2,
|
|
"qla1280_isr: asynchronous TIMEOUT_RESET\n");
|
|
break;
|
|
|
|
case MBA_DEVICE_RESET: /* Bus Device Reset */
|
|
printk(KERN_INFO "qla1280_isr(): asynchronous "
|
|
"BUS_DEVICE_RESET\n");
|
|
|
|
ha->flags.reset_marker = 1;
|
|
index = mailbox[6] & BIT_0;
|
|
ha->bus_settings[index].reset_marker = 1;
|
|
break;
|
|
|
|
case MBA_BUS_MODE_CHANGE:
|
|
dprintk(2,
|
|
"qla1280_isr: asynchronous BUS_MODE_CHANGE\n");
|
|
break;
|
|
|
|
default:
|
|
/* dprintk(1, "qla1280_isr: default case of switch MB \n"); */
|
|
if (mailbox[0] < MBA_ASYNC_EVENT) {
|
|
wptr = &mailbox[0];
|
|
memcpy((uint16_t *) ha->mailbox_out, wptr,
|
|
MAILBOX_REGISTER_COUNT *
|
|
sizeof(uint16_t));
|
|
|
|
if(ha->mailbox_wait != NULL)
|
|
complete(ha->mailbox_wait);
|
|
}
|
|
break;
|
|
}
|
|
} else {
|
|
WRT_REG_WORD(®->host_cmd, HC_CLR_RISC_INT);
|
|
}
|
|
|
|
/*
|
|
* We will receive interrupts during mailbox testing prior to
|
|
* the card being marked online, hence the double check.
|
|
*/
|
|
if (!(ha->flags.online && !ha->mailbox_wait)) {
|
|
dprintk(2, "qla1280_isr: Response pointer Error\n");
|
|
goto out;
|
|
}
|
|
|
|
if (mailbox[5] >= RESPONSE_ENTRY_CNT)
|
|
goto out;
|
|
|
|
while (ha->rsp_ring_index != mailbox[5]) {
|
|
pkt = ha->response_ring_ptr;
|
|
|
|
dprintk(5, "qla1280_isr: ha->rsp_ring_index = 0x%x, mailbox[5]"
|
|
" = 0x%x\n", ha->rsp_ring_index, mailbox[5]);
|
|
dprintk(5,"qla1280_isr: response packet data\n");
|
|
qla1280_dump_buffer(5, (char *)pkt, RESPONSE_ENTRY_SIZE);
|
|
|
|
if (pkt->entry_type == STATUS_TYPE) {
|
|
if ((le16_to_cpu(pkt->scsi_status) & 0xff)
|
|
|| pkt->comp_status || pkt->entry_status) {
|
|
dprintk(2, "qla1280_isr: ha->rsp_ring_index = "
|
|
"0x%x mailbox[5] = 0x%x, comp_status "
|
|
"= 0x%x, scsi_status = 0x%x\n",
|
|
ha->rsp_ring_index, mailbox[5],
|
|
le16_to_cpu(pkt->comp_status),
|
|
le16_to_cpu(pkt->scsi_status));
|
|
}
|
|
} else {
|
|
dprintk(2, "qla1280_isr: ha->rsp_ring_index = "
|
|
"0x%x, mailbox[5] = 0x%x\n",
|
|
ha->rsp_ring_index, mailbox[5]);
|
|
dprintk(2, "qla1280_isr: response packet data\n");
|
|
qla1280_dump_buffer(2, (char *)pkt,
|
|
RESPONSE_ENTRY_SIZE);
|
|
}
|
|
|
|
if (pkt->entry_type == STATUS_TYPE || pkt->entry_status) {
|
|
dprintk(2, "status: Cmd %p, handle %i\n",
|
|
ha->outstanding_cmds[pkt->handle]->cmd,
|
|
pkt->handle);
|
|
if (pkt->entry_type == STATUS_TYPE)
|
|
qla1280_status_entry(ha, pkt, done_q);
|
|
else
|
|
qla1280_error_entry(ha, pkt, done_q);
|
|
/* Adjust ring index. */
|
|
ha->rsp_ring_index++;
|
|
if (ha->rsp_ring_index == RESPONSE_ENTRY_CNT) {
|
|
ha->rsp_ring_index = 0;
|
|
ha->response_ring_ptr = ha->response_ring;
|
|
} else
|
|
ha->response_ring_ptr++;
|
|
WRT_REG_WORD(®->mailbox5, ha->rsp_ring_index);
|
|
}
|
|
}
|
|
|
|
out:
|
|
LEAVE("qla1280_isr");
|
|
}
|
|
|
|
/*
|
|
* qla1280_rst_aen
|
|
* Processes asynchronous reset.
|
|
*
|
|
* Input:
|
|
* ha = adapter block pointer.
|
|
*/
|
|
static void
|
|
qla1280_rst_aen(struct scsi_qla_host *ha)
|
|
{
|
|
uint8_t bus;
|
|
|
|
ENTER("qla1280_rst_aen");
|
|
|
|
if (ha->flags.online && !ha->flags.reset_active &&
|
|
!ha->flags.abort_isp_active) {
|
|
ha->flags.reset_active = 1;
|
|
while (ha->flags.reset_marker) {
|
|
/* Issue marker command. */
|
|
ha->flags.reset_marker = 0;
|
|
for (bus = 0; bus < ha->ports &&
|
|
!ha->flags.reset_marker; bus++) {
|
|
if (ha->bus_settings[bus].reset_marker) {
|
|
ha->bus_settings[bus].reset_marker = 0;
|
|
qla1280_marker(ha, bus, 0, 0,
|
|
MK_SYNC_ALL);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
LEAVE("qla1280_rst_aen");
|
|
}
|
|
|
|
|
|
/*
|
|
* qla1280_status_entry
|
|
* Processes received ISP status entry.
|
|
*
|
|
* Input:
|
|
* ha = adapter block pointer.
|
|
* pkt = entry pointer.
|
|
* done_q = done queue.
|
|
*/
|
|
static void
|
|
qla1280_status_entry(struct scsi_qla_host *ha, struct response *pkt,
|
|
struct list_head *done_q)
|
|
{
|
|
unsigned int bus, target, lun;
|
|
int sense_sz;
|
|
struct srb *sp;
|
|
struct scsi_cmnd *cmd;
|
|
uint32_t handle = le32_to_cpu(pkt->handle);
|
|
uint16_t scsi_status = le16_to_cpu(pkt->scsi_status);
|
|
uint16_t comp_status = le16_to_cpu(pkt->comp_status);
|
|
|
|
ENTER("qla1280_status_entry");
|
|
|
|
/* Validate handle. */
|
|
if (handle < MAX_OUTSTANDING_COMMANDS)
|
|
sp = ha->outstanding_cmds[handle];
|
|
else
|
|
sp = NULL;
|
|
|
|
if (!sp) {
|
|
printk(KERN_WARNING "qla1280: Status Entry invalid handle\n");
|
|
goto out;
|
|
}
|
|
|
|
/* Free outstanding command slot. */
|
|
ha->outstanding_cmds[handle] = NULL;
|
|
|
|
cmd = sp->cmd;
|
|
|
|
/* Generate LU queue on cntrl, target, LUN */
|
|
bus = SCSI_BUS_32(cmd);
|
|
target = SCSI_TCN_32(cmd);
|
|
lun = SCSI_LUN_32(cmd);
|
|
|
|
if (comp_status || scsi_status) {
|
|
dprintk(3, "scsi: comp_status = 0x%x, scsi_status = "
|
|
"0x%x, handle = 0x%x\n", comp_status,
|
|
scsi_status, handle);
|
|
}
|
|
|
|
/* Target busy or queue full */
|
|
if ((scsi_status & 0xFF) == SAM_STAT_TASK_SET_FULL ||
|
|
(scsi_status & 0xFF) == SAM_STAT_BUSY) {
|
|
CMD_RESULT(cmd) = scsi_status & 0xff;
|
|
} else {
|
|
|
|
/* Save ISP completion status */
|
|
CMD_RESULT(cmd) = qla1280_return_status(pkt, cmd);
|
|
|
|
if (scsi_status & SAM_STAT_CHECK_CONDITION) {
|
|
if (comp_status != CS_ARS_FAILED) {
|
|
uint16_t req_sense_length =
|
|
le16_to_cpu(pkt->req_sense_length);
|
|
if (req_sense_length < CMD_SNSLEN(cmd))
|
|
sense_sz = req_sense_length;
|
|
else
|
|
/*
|
|
* scsi_cmnd->sense_buffer is
|
|
* 64 bytes, why only copy 63?
|
|
* This looks wrong! /Jes
|
|
*/
|
|
sense_sz = CMD_SNSLEN(cmd) - 1;
|
|
|
|
memcpy(cmd->sense_buffer,
|
|
&pkt->req_sense_data, sense_sz);
|
|
} else
|
|
sense_sz = 0;
|
|
memset(cmd->sense_buffer + sense_sz, 0,
|
|
sizeof(cmd->sense_buffer) - sense_sz);
|
|
|
|
dprintk(2, "qla1280_status_entry: Check "
|
|
"condition Sense data, b %i, t %i, "
|
|
"l %i\n", bus, target, lun);
|
|
if (sense_sz)
|
|
qla1280_dump_buffer(2,
|
|
(char *)cmd->sense_buffer,
|
|
sense_sz);
|
|
}
|
|
}
|
|
|
|
/* Place command on done queue. */
|
|
list_add_tail(&sp->list, done_q);
|
|
out:
|
|
LEAVE("qla1280_status_entry");
|
|
}
|
|
|
|
/*
|
|
* qla1280_error_entry
|
|
* Processes error entry.
|
|
*
|
|
* Input:
|
|
* ha = adapter block pointer.
|
|
* pkt = entry pointer.
|
|
* done_q = done queue.
|
|
*/
|
|
static void
|
|
qla1280_error_entry(struct scsi_qla_host *ha, struct response *pkt,
|
|
struct list_head *done_q)
|
|
{
|
|
struct srb *sp;
|
|
uint32_t handle = le32_to_cpu(pkt->handle);
|
|
|
|
ENTER("qla1280_error_entry");
|
|
|
|
if (pkt->entry_status & BIT_3)
|
|
dprintk(2, "qla1280_error_entry: BAD PAYLOAD flag error\n");
|
|
else if (pkt->entry_status & BIT_2)
|
|
dprintk(2, "qla1280_error_entry: BAD HEADER flag error\n");
|
|
else if (pkt->entry_status & BIT_1)
|
|
dprintk(2, "qla1280_error_entry: FULL flag error\n");
|
|
else
|
|
dprintk(2, "qla1280_error_entry: UNKNOWN flag error\n");
|
|
|
|
/* Validate handle. */
|
|
if (handle < MAX_OUTSTANDING_COMMANDS)
|
|
sp = ha->outstanding_cmds[handle];
|
|
else
|
|
sp = NULL;
|
|
|
|
if (sp) {
|
|
/* Free outstanding command slot. */
|
|
ha->outstanding_cmds[handle] = NULL;
|
|
|
|
/* Bad payload or header */
|
|
if (pkt->entry_status & (BIT_3 + BIT_2)) {
|
|
/* Bad payload or header, set error status. */
|
|
/* CMD_RESULT(sp->cmd) = CS_BAD_PAYLOAD; */
|
|
CMD_RESULT(sp->cmd) = DID_ERROR << 16;
|
|
} else if (pkt->entry_status & BIT_1) { /* FULL flag */
|
|
CMD_RESULT(sp->cmd) = DID_BUS_BUSY << 16;
|
|
} else {
|
|
/* Set error status. */
|
|
CMD_RESULT(sp->cmd) = DID_ERROR << 16;
|
|
}
|
|
|
|
/* Place command on done queue. */
|
|
list_add_tail(&sp->list, done_q);
|
|
}
|
|
#ifdef QLA_64BIT_PTR
|
|
else if (pkt->entry_type == COMMAND_A64_TYPE) {
|
|
printk(KERN_WARNING "!qla1280: Error Entry invalid handle");
|
|
}
|
|
#endif
|
|
|
|
LEAVE("qla1280_error_entry");
|
|
}
|
|
|
|
/*
|
|
* qla1280_abort_isp
|
|
* Resets ISP and aborts all outstanding commands.
|
|
*
|
|
* Input:
|
|
* ha = adapter block pointer.
|
|
*
|
|
* Returns:
|
|
* 0 = success
|
|
*/
|
|
static int
|
|
qla1280_abort_isp(struct scsi_qla_host *ha)
|
|
{
|
|
struct device_reg __iomem *reg = ha->iobase;
|
|
struct srb *sp;
|
|
int status = 0;
|
|
int cnt;
|
|
int bus;
|
|
|
|
ENTER("qla1280_abort_isp");
|
|
|
|
if (ha->flags.abort_isp_active || !ha->flags.online)
|
|
goto out;
|
|
|
|
ha->flags.abort_isp_active = 1;
|
|
|
|
/* Disable ISP interrupts. */
|
|
qla1280_disable_intrs(ha);
|
|
WRT_REG_WORD(®->host_cmd, HC_PAUSE_RISC);
|
|
RD_REG_WORD(®->id_l);
|
|
|
|
printk(KERN_INFO "scsi(%li): dequeuing outstanding commands\n",
|
|
ha->host_no);
|
|
/* Dequeue all commands in outstanding command list. */
|
|
for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
|
|
struct scsi_cmnd *cmd;
|
|
sp = ha->outstanding_cmds[cnt];
|
|
if (sp) {
|
|
|
|
cmd = sp->cmd;
|
|
CMD_RESULT(cmd) = DID_RESET << 16;
|
|
|
|
sp->cmd = NULL;
|
|
ha->outstanding_cmds[cnt] = NULL;
|
|
|
|
(*cmd->scsi_done)(cmd);
|
|
|
|
sp->flags = 0;
|
|
}
|
|
}
|
|
|
|
status = qla1280_load_firmware(ha);
|
|
if (status)
|
|
goto out;
|
|
|
|
/* Setup adapter based on NVRAM parameters. */
|
|
qla1280_nvram_config (ha);
|
|
|
|
status = qla1280_init_rings(ha);
|
|
if (status)
|
|
goto out;
|
|
|
|
/* Issue SCSI reset. */
|
|
for (bus = 0; bus < ha->ports; bus++)
|
|
qla1280_bus_reset(ha, bus);
|
|
|
|
ha->flags.abort_isp_active = 0;
|
|
out:
|
|
if (status) {
|
|
printk(KERN_WARNING
|
|
"qla1280: ISP error recovery failed, board disabled");
|
|
qla1280_reset_adapter(ha);
|
|
dprintk(2, "qla1280_abort_isp: **** FAILED ****\n");
|
|
}
|
|
|
|
LEAVE("qla1280_abort_isp");
|
|
return status;
|
|
}
|
|
|
|
|
|
/*
|
|
* qla1280_debounce_register
|
|
* Debounce register.
|
|
*
|
|
* Input:
|
|
* port = register address.
|
|
*
|
|
* Returns:
|
|
* register value.
|
|
*/
|
|
static u16
|
|
qla1280_debounce_register(volatile u16 __iomem * addr)
|
|
{
|
|
volatile u16 ret;
|
|
volatile u16 ret2;
|
|
|
|
ret = RD_REG_WORD(addr);
|
|
ret2 = RD_REG_WORD(addr);
|
|
|
|
if (ret == ret2)
|
|
return ret;
|
|
|
|
do {
|
|
cpu_relax();
|
|
ret = RD_REG_WORD(addr);
|
|
ret2 = RD_REG_WORD(addr);
|
|
} while (ret != ret2);
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
/************************************************************************
|
|
* qla1280_check_for_dead_scsi_bus *
|
|
* *
|
|
* This routine checks for a dead SCSI bus *
|
|
************************************************************************/
|
|
#define SET_SXP_BANK 0x0100
|
|
#define SCSI_PHASE_INVALID 0x87FF
|
|
static int
|
|
qla1280_check_for_dead_scsi_bus(struct scsi_qla_host *ha, unsigned int bus)
|
|
{
|
|
uint16_t config_reg, scsi_control;
|
|
struct device_reg __iomem *reg = ha->iobase;
|
|
|
|
if (ha->bus_settings[bus].scsi_bus_dead) {
|
|
WRT_REG_WORD(®->host_cmd, HC_PAUSE_RISC);
|
|
config_reg = RD_REG_WORD(®->cfg_1);
|
|
WRT_REG_WORD(®->cfg_1, SET_SXP_BANK);
|
|
scsi_control = RD_REG_WORD(®->scsiControlPins);
|
|
WRT_REG_WORD(®->cfg_1, config_reg);
|
|
WRT_REG_WORD(®->host_cmd, HC_RELEASE_RISC);
|
|
|
|
if (scsi_control == SCSI_PHASE_INVALID) {
|
|
ha->bus_settings[bus].scsi_bus_dead = 1;
|
|
#if 0
|
|
CMD_RESULT(cp) = DID_NO_CONNECT << 16;
|
|
CMD_HANDLE(cp) = INVALID_HANDLE;
|
|
/* ha->actthreads--; */
|
|
|
|
(*(cp)->scsi_done)(cp);
|
|
#endif
|
|
return 1; /* bus is dead */
|
|
} else {
|
|
ha->bus_settings[bus].scsi_bus_dead = 0;
|
|
ha->bus_settings[bus].failed_reset_count = 0;
|
|
}
|
|
}
|
|
return 0; /* bus is not dead */
|
|
}
|
|
|
|
static void
|
|
qla1280_get_target_parameters(struct scsi_qla_host *ha,
|
|
struct scsi_device *device)
|
|
{
|
|
uint16_t mb[MAILBOX_REGISTER_COUNT];
|
|
int bus, target, lun;
|
|
|
|
bus = device->channel;
|
|
target = device->id;
|
|
lun = device->lun;
|
|
|
|
|
|
mb[0] = MBC_GET_TARGET_PARAMETERS;
|
|
mb[1] = (uint16_t) (bus ? target | BIT_7 : target);
|
|
mb[1] <<= 8;
|
|
qla1280_mailbox_command(ha, BIT_6 | BIT_3 | BIT_2 | BIT_1 | BIT_0,
|
|
&mb[0]);
|
|
|
|
printk(KERN_INFO "scsi(%li:%d:%d:%d):", ha->host_no, bus, target, lun);
|
|
|
|
if (mb[3] != 0) {
|
|
printk(" Sync: period %d, offset %d",
|
|
(mb[3] & 0xff), (mb[3] >> 8));
|
|
if (mb[2] & BIT_13)
|
|
printk(", Wide");
|
|
if ((mb[2] & BIT_5) && ((mb[6] >> 8) & 0xff) >= 2)
|
|
printk(", DT");
|
|
} else
|
|
printk(" Async");
|
|
|
|
if (device->simple_tags)
|
|
printk(", Tagged queuing: depth %d", device->queue_depth);
|
|
printk("\n");
|
|
}
|
|
|
|
|
|
#if DEBUG_QLA1280
|
|
static void
|
|
__qla1280_dump_buffer(char *b, int size)
|
|
{
|
|
int cnt;
|
|
u8 c;
|
|
|
|
printk(KERN_DEBUG " 0 1 2 3 4 5 6 7 8 9 Ah "
|
|
"Bh Ch Dh Eh Fh\n");
|
|
printk(KERN_DEBUG "---------------------------------------------"
|
|
"------------------\n");
|
|
|
|
for (cnt = 0; cnt < size;) {
|
|
c = *b++;
|
|
|
|
printk("0x%02x", c);
|
|
cnt++;
|
|
if (!(cnt % 16))
|
|
printk("\n");
|
|
else
|
|
printk(" ");
|
|
}
|
|
if (cnt % 16)
|
|
printk("\n");
|
|
}
|
|
|
|
/**************************************************************************
|
|
* ql1280_print_scsi_cmd
|
|
*
|
|
**************************************************************************/
|
|
static void
|
|
__qla1280_print_scsi_cmd(struct scsi_cmnd *cmd)
|
|
{
|
|
struct scsi_qla_host *ha;
|
|
struct Scsi_Host *host = CMD_HOST(cmd);
|
|
struct srb *sp;
|
|
/* struct scatterlist *sg; */
|
|
|
|
int i;
|
|
ha = (struct scsi_qla_host *)host->hostdata;
|
|
|
|
sp = (struct srb *)CMD_SP(cmd);
|
|
printk("SCSI Command @= 0x%p, Handle=0x%p\n", cmd, CMD_HANDLE(cmd));
|
|
printk(" chan=%d, target = 0x%02x, lun = 0x%02x, cmd_len = 0x%02x\n",
|
|
SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), SCSI_LUN_32(cmd),
|
|
CMD_CDBLEN(cmd));
|
|
printk(" CDB = ");
|
|
for (i = 0; i < cmd->cmd_len; i++) {
|
|
printk("0x%02x ", cmd->cmnd[i]);
|
|
}
|
|
printk(" seg_cnt =%d\n", cmd->use_sg);
|
|
printk(" request buffer=0x%p, request buffer len=0x%x\n",
|
|
cmd->request_buffer, cmd->request_bufflen);
|
|
/* if (cmd->use_sg)
|
|
{
|
|
sg = (struct scatterlist *) cmd->request_buffer;
|
|
printk(" SG buffer: \n");
|
|
qla1280_dump_buffer(1, (char *)sg, (cmd->use_sg*sizeof(struct scatterlist)));
|
|
} */
|
|
printk(" tag=%d, transfersize=0x%x \n",
|
|
cmd->tag, cmd->transfersize);
|
|
printk(" Pid=%li, SP=0x%p\n", cmd->pid, CMD_SP(cmd));
|
|
printk(" underflow size = 0x%x, direction=0x%x\n",
|
|
cmd->underflow, cmd->sc_data_direction);
|
|
}
|
|
|
|
/**************************************************************************
|
|
* ql1280_dump_device
|
|
*
|
|
**************************************************************************/
|
|
static void
|
|
ql1280_dump_device(struct scsi_qla_host *ha)
|
|
{
|
|
|
|
struct scsi_cmnd *cp;
|
|
struct srb *sp;
|
|
int i;
|
|
|
|
printk(KERN_DEBUG "Outstanding Commands on controller:\n");
|
|
|
|
for (i = 0; i < MAX_OUTSTANDING_COMMANDS; i++) {
|
|
if ((sp = ha->outstanding_cmds[i]) == NULL)
|
|
continue;
|
|
if ((cp = sp->cmd) == NULL)
|
|
continue;
|
|
qla1280_print_scsi_cmd(1, cp);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
|
|
enum tokens {
|
|
TOKEN_NVRAM,
|
|
TOKEN_SYNC,
|
|
TOKEN_WIDE,
|
|
TOKEN_PPR,
|
|
TOKEN_VERBOSE,
|
|
TOKEN_DEBUG,
|
|
};
|
|
|
|
struct setup_tokens {
|
|
char *token;
|
|
int val;
|
|
};
|
|
|
|
static struct setup_tokens setup_token[] __initdata =
|
|
{
|
|
{ "nvram", TOKEN_NVRAM },
|
|
{ "sync", TOKEN_SYNC },
|
|
{ "wide", TOKEN_WIDE },
|
|
{ "ppr", TOKEN_PPR },
|
|
{ "verbose", TOKEN_VERBOSE },
|
|
{ "debug", TOKEN_DEBUG },
|
|
};
|
|
|
|
|
|
/**************************************************************************
|
|
* qla1280_setup
|
|
*
|
|
* Handle boot parameters. This really needs to be changed so one
|
|
* can specify per adapter parameters.
|
|
**************************************************************************/
|
|
static int __init
|
|
qla1280_setup(char *s)
|
|
{
|
|
char *cp, *ptr;
|
|
unsigned long val;
|
|
int toke;
|
|
|
|
cp = s;
|
|
|
|
while (cp && (ptr = strchr(cp, ':'))) {
|
|
ptr++;
|
|
if (!strcmp(ptr, "yes")) {
|
|
val = 0x10000;
|
|
ptr += 3;
|
|
} else if (!strcmp(ptr, "no")) {
|
|
val = 0;
|
|
ptr += 2;
|
|
} else
|
|
val = simple_strtoul(ptr, &ptr, 0);
|
|
|
|
switch ((toke = qla1280_get_token(cp))) {
|
|
case TOKEN_NVRAM:
|
|
if (!val)
|
|
driver_setup.no_nvram = 1;
|
|
break;
|
|
case TOKEN_SYNC:
|
|
if (!val)
|
|
driver_setup.no_sync = 1;
|
|
else if (val != 0x10000)
|
|
driver_setup.sync_mask = val;
|
|
break;
|
|
case TOKEN_WIDE:
|
|
if (!val)
|
|
driver_setup.no_wide = 1;
|
|
else if (val != 0x10000)
|
|
driver_setup.wide_mask = val;
|
|
break;
|
|
case TOKEN_PPR:
|
|
if (!val)
|
|
driver_setup.no_ppr = 1;
|
|
else if (val != 0x10000)
|
|
driver_setup.ppr_mask = val;
|
|
break;
|
|
case TOKEN_VERBOSE:
|
|
qla1280_verbose = val;
|
|
break;
|
|
default:
|
|
printk(KERN_INFO "qla1280: unknown boot option %s\n",
|
|
cp);
|
|
}
|
|
|
|
cp = strchr(ptr, ';');
|
|
if (cp)
|
|
cp++;
|
|
else {
|
|
break;
|
|
}
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
|
|
static int __init
|
|
qla1280_get_token(char *str)
|
|
{
|
|
char *sep;
|
|
long ret = -1;
|
|
int i;
|
|
|
|
sep = strchr(str, ':');
|
|
|
|
if (sep) {
|
|
for (i = 0; i < ARRAY_SIZE(setup_token); i++) {
|
|
if (!strncmp(setup_token[i].token, str, (sep - str))) {
|
|
ret = setup_token[i].val;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
static struct scsi_host_template qla1280_driver_template = {
|
|
.module = THIS_MODULE,
|
|
.proc_name = "qla1280",
|
|
.name = "Qlogic ISP 1280/12160",
|
|
.info = qla1280_info,
|
|
.slave_configure = qla1280_slave_configure,
|
|
.queuecommand = qla1280_queuecommand,
|
|
.eh_abort_handler = qla1280_eh_abort,
|
|
.eh_device_reset_handler= qla1280_eh_device_reset,
|
|
.eh_bus_reset_handler = qla1280_eh_bus_reset,
|
|
.eh_host_reset_handler = qla1280_eh_adapter_reset,
|
|
.bios_param = qla1280_biosparam,
|
|
.can_queue = 0xfffff,
|
|
.this_id = -1,
|
|
.sg_tablesize = SG_ALL,
|
|
.cmd_per_lun = 1,
|
|
.use_clustering = ENABLE_CLUSTERING,
|
|
};
|
|
|
|
|
|
static int __devinit
|
|
qla1280_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
|
|
{
|
|
int devnum = id->driver_data;
|
|
struct qla_boards *bdp = &ql1280_board_tbl[devnum];
|
|
struct Scsi_Host *host;
|
|
struct scsi_qla_host *ha;
|
|
int error = -ENODEV;
|
|
|
|
/* Bypass all AMI SUBSYS VENDOR IDs */
|
|
if (pdev->subsystem_vendor == PCI_VENDOR_ID_AMI) {
|
|
printk(KERN_INFO
|
|
"qla1280: Skipping AMI SubSys Vendor ID Chip\n");
|
|
goto error;
|
|
}
|
|
|
|
printk(KERN_INFO "qla1280: %s found on PCI bus %i, dev %i\n",
|
|
bdp->name, pdev->bus->number, PCI_SLOT(pdev->devfn));
|
|
|
|
if (pci_enable_device(pdev)) {
|
|
printk(KERN_WARNING
|
|
"qla1280: Failed to enabled pci device, aborting.\n");
|
|
goto error;
|
|
}
|
|
|
|
pci_set_master(pdev);
|
|
|
|
error = -ENOMEM;
|
|
host = scsi_host_alloc(&qla1280_driver_template, sizeof(*ha));
|
|
if (!host) {
|
|
printk(KERN_WARNING
|
|
"qla1280: Failed to register host, aborting.\n");
|
|
goto error_disable_device;
|
|
}
|
|
|
|
ha = (struct scsi_qla_host *)host->hostdata;
|
|
memset(ha, 0, sizeof(struct scsi_qla_host));
|
|
|
|
ha->pdev = pdev;
|
|
ha->devnum = devnum; /* specifies microcode load address */
|
|
|
|
#ifdef QLA_64BIT_PTR
|
|
if (pci_set_dma_mask(ha->pdev, (dma_addr_t) ~ 0ULL)) {
|
|
if (pci_set_dma_mask(ha->pdev, DMA_32BIT_MASK)) {
|
|
printk(KERN_WARNING "scsi(%li): Unable to set a "
|
|
"suitable DMA mask - aborting\n", ha->host_no);
|
|
error = -ENODEV;
|
|
goto error_free_irq;
|
|
}
|
|
} else
|
|
dprintk(2, "scsi(%li): 64 Bit PCI Addressing Enabled\n",
|
|
ha->host_no);
|
|
#else
|
|
if (pci_set_dma_mask(ha->pdev, DMA_32BIT_MASK)) {
|
|
printk(KERN_WARNING "scsi(%li): Unable to set a "
|
|
"suitable DMA mask - aborting\n", ha->host_no);
|
|
error = -ENODEV;
|
|
goto error_free_irq;
|
|
}
|
|
#endif
|
|
|
|
ha->request_ring = pci_alloc_consistent(ha->pdev,
|
|
((REQUEST_ENTRY_CNT + 1) * sizeof(request_t)),
|
|
&ha->request_dma);
|
|
if (!ha->request_ring) {
|
|
printk(KERN_INFO "qla1280: Failed to get request memory\n");
|
|
goto error_put_host;
|
|
}
|
|
|
|
ha->response_ring = pci_alloc_consistent(ha->pdev,
|
|
((RESPONSE_ENTRY_CNT + 1) * sizeof(struct response)),
|
|
&ha->response_dma);
|
|
if (!ha->response_ring) {
|
|
printk(KERN_INFO "qla1280: Failed to get response memory\n");
|
|
goto error_free_request_ring;
|
|
}
|
|
|
|
ha->ports = bdp->numPorts;
|
|
|
|
ha->host = host;
|
|
ha->host_no = host->host_no;
|
|
|
|
host->irq = pdev->irq;
|
|
host->max_channel = bdp->numPorts - 1;
|
|
host->max_lun = MAX_LUNS - 1;
|
|
host->max_id = MAX_TARGETS;
|
|
host->max_sectors = 1024;
|
|
host->unique_id = host->host_no;
|
|
|
|
error = -ENODEV;
|
|
|
|
#if MEMORY_MAPPED_IO
|
|
ha->mmpbase = ioremap(pci_resource_start(ha->pdev, 1),
|
|
pci_resource_len(ha->pdev, 1));
|
|
if (!ha->mmpbase) {
|
|
printk(KERN_INFO "qla1280: Unable to map I/O memory\n");
|
|
goto error_free_response_ring;
|
|
}
|
|
|
|
host->base = (unsigned long)ha->mmpbase;
|
|
ha->iobase = (struct device_reg __iomem *)ha->mmpbase;
|
|
#else
|
|
host->io_port = pci_resource_start(ha->pdev, 0);
|
|
if (!request_region(host->io_port, 0xff, "qla1280")) {
|
|
printk(KERN_INFO "qla1280: Failed to reserve i/o region "
|
|
"0x%04lx-0x%04lx - already in use\n",
|
|
host->io_port, host->io_port + 0xff);
|
|
goto error_free_response_ring;
|
|
}
|
|
|
|
ha->iobase = (struct device_reg *)host->io_port;
|
|
#endif
|
|
|
|
INIT_LIST_HEAD(&ha->done_q);
|
|
|
|
/* Disable ISP interrupts. */
|
|
qla1280_disable_intrs(ha);
|
|
|
|
if (request_irq(pdev->irq, qla1280_intr_handler, IRQF_SHARED,
|
|
"qla1280", ha)) {
|
|
printk("qla1280 : Failed to reserve interrupt %d already "
|
|
"in use\n", pdev->irq);
|
|
goto error_release_region;
|
|
}
|
|
|
|
/* load the F/W, read paramaters, and init the H/W */
|
|
if (qla1280_initialize_adapter(ha)) {
|
|
printk(KERN_INFO "qla1x160: Failed to initialize adapter\n");
|
|
goto error_free_irq;
|
|
}
|
|
|
|
/* set our host ID (need to do something about our two IDs) */
|
|
host->this_id = ha->bus_settings[0].id;
|
|
|
|
pci_set_drvdata(pdev, host);
|
|
|
|
error = scsi_add_host(host, &pdev->dev);
|
|
if (error)
|
|
goto error_disable_adapter;
|
|
scsi_scan_host(host);
|
|
|
|
return 0;
|
|
|
|
error_disable_adapter:
|
|
qla1280_disable_intrs(ha);
|
|
error_free_irq:
|
|
free_irq(pdev->irq, ha);
|
|
error_release_region:
|
|
#if MEMORY_MAPPED_IO
|
|
iounmap(ha->mmpbase);
|
|
#else
|
|
release_region(host->io_port, 0xff);
|
|
#endif
|
|
error_free_response_ring:
|
|
pci_free_consistent(ha->pdev,
|
|
((RESPONSE_ENTRY_CNT + 1) * sizeof(struct response)),
|
|
ha->response_ring, ha->response_dma);
|
|
error_free_request_ring:
|
|
pci_free_consistent(ha->pdev,
|
|
((REQUEST_ENTRY_CNT + 1) * sizeof(request_t)),
|
|
ha->request_ring, ha->request_dma);
|
|
error_put_host:
|
|
scsi_host_put(host);
|
|
error_disable_device:
|
|
pci_disable_device(pdev);
|
|
error:
|
|
return error;
|
|
}
|
|
|
|
|
|
static void __devexit
|
|
qla1280_remove_one(struct pci_dev *pdev)
|
|
{
|
|
struct Scsi_Host *host = pci_get_drvdata(pdev);
|
|
struct scsi_qla_host *ha = (struct scsi_qla_host *)host->hostdata;
|
|
|
|
scsi_remove_host(host);
|
|
|
|
qla1280_disable_intrs(ha);
|
|
|
|
free_irq(pdev->irq, ha);
|
|
|
|
#if MEMORY_MAPPED_IO
|
|
iounmap(ha->mmpbase);
|
|
#else
|
|
release_region(host->io_port, 0xff);
|
|
#endif
|
|
|
|
pci_free_consistent(ha->pdev,
|
|
((REQUEST_ENTRY_CNT + 1) * (sizeof(request_t))),
|
|
ha->request_ring, ha->request_dma);
|
|
pci_free_consistent(ha->pdev,
|
|
((RESPONSE_ENTRY_CNT + 1) * (sizeof(struct response))),
|
|
ha->response_ring, ha->response_dma);
|
|
|
|
pci_disable_device(pdev);
|
|
|
|
scsi_host_put(host);
|
|
}
|
|
|
|
static struct pci_driver qla1280_pci_driver = {
|
|
.name = "qla1280",
|
|
.id_table = qla1280_pci_tbl,
|
|
.probe = qla1280_probe_one,
|
|
.remove = __devexit_p(qla1280_remove_one),
|
|
};
|
|
|
|
static int __init
|
|
qla1280_init(void)
|
|
{
|
|
if (sizeof(struct srb) > sizeof(struct scsi_pointer)) {
|
|
printk(KERN_WARNING
|
|
"qla1280: struct srb too big, aborting\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
#ifdef MODULE
|
|
/*
|
|
* If we are called as a module, the qla1280 pointer may not be null
|
|
* and it would point to our bootup string, just like on the lilo
|
|
* command line. IF not NULL, then process this config string with
|
|
* qla1280_setup
|
|
*
|
|
* Boot time Options
|
|
* To add options at boot time add a line to your lilo.conf file like:
|
|
* append="qla1280=verbose,max_tags:{{255,255,255,255},{255,255,255,255}}"
|
|
* which will result in the first four devices on the first two
|
|
* controllers being set to a tagged queue depth of 32.
|
|
*/
|
|
if (qla1280)
|
|
qla1280_setup(qla1280);
|
|
#endif
|
|
|
|
return pci_register_driver(&qla1280_pci_driver);
|
|
}
|
|
|
|
static void __exit
|
|
qla1280_exit(void)
|
|
{
|
|
pci_unregister_driver(&qla1280_pci_driver);
|
|
}
|
|
|
|
module_init(qla1280_init);
|
|
module_exit(qla1280_exit);
|
|
|
|
|
|
MODULE_AUTHOR("Qlogic & Jes Sorensen");
|
|
MODULE_DESCRIPTION("Qlogic ISP SCSI (qla1x80/qla1x160) driver");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_VERSION(QLA1280_VERSION);
|
|
|
|
/*
|
|
* Overrides for Emacs so that we almost follow Linus's tabbing style.
|
|
* Emacs will notice this stuff at the end of the file and automatically
|
|
* adjust the settings for this buffer only. This must remain at the end
|
|
* of the file.
|
|
* ---------------------------------------------------------------------------
|
|
* Local variables:
|
|
* c-basic-offset: 8
|
|
* tab-width: 8
|
|
* End:
|
|
*/
|
|
|