/****************************************************************************** * QLOGIC LINUX SOFTWARE * * QLogic QLA1280 (Ultra2) and QLA12160 (Ultra3) SCSI driver * Copyright (C) 2000 Qlogic Corporation (www.qlogic.com) * Copyright (C) 2001-2004 Jes Sorensen, Wild Open Source Inc. * Copyright (C) 2003-2004 Christoph Hellwig * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2, or (at your option) any * later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * ******************************************************************************/ #define QLA1280_VERSION "3.27.1" /***************************************************************************** Revision History: Rev 3.27.1, February 8, 2010, Michael Reed - Retain firmware image for error recovery. Rev 3.27, February 10, 2009, Michael Reed - General code cleanup. - Improve error recovery. Rev 3.26, January 16, 2006 Jes Sorensen - Ditch all < 2.6 support Rev 3.25.1, February 10, 2005 Christoph Hellwig - use pci_map_single to map non-S/G requests - remove qla1280_proc_info Rev 3.25, September 28, 2004, Christoph Hellwig - add support for ISP1020/1040 - don't include "scsi.h" anymore for 2.6.x Rev 3.24.4 June 7, 2004 Christoph Hellwig - restructure firmware loading, cleanup initialization code - prepare support for ISP1020/1040 chips Rev 3.24.3 January 19, 2004, Jes Sorensen - Handle PCI DMA mask settings correctly - Correct order of error handling in probe_one, free_irq should not be called if request_irq failed Rev 3.24.2 January 19, 2004, James Bottomley & Andrew Vasquez - Big endian fixes (James) - Remove bogus IOCB content on zero data transfer commands (Andrew) Rev 3.24.1 January 5, 2004, Jes Sorensen - Initialize completion queue to avoid OOPS on probe - Handle interrupts during mailbox testing Rev 3.24 November 17, 2003, Christoph Hellwig - use struct list_head for completion queue - avoid old Scsi_FOO typedefs - cleanup 2.4 compat glue a bit - use headers on 2.6 instead of "scsi.h" - make initialization for memory mapped vs port I/O more similar - remove broken pci config space manipulation - kill more cruft - this is an almost perfect 2.6 scsi driver now! ;) Rev 3.23.39 December 17, 2003, Jes Sorensen - Delete completion queue from srb if mailbox command failed to to avoid qla1280_done completeting qla1280_error_action's obsolete context - Reduce arguments for qla1280_done Rev 3.23.38 October 18, 2003, Christoph Hellwig - Convert to new-style hotplugable driver for 2.6 - Fix missing scsi_unregister/scsi_host_put on HBA removal - Kill some more cruft Rev 3.23.37 October 1, 2003, Jes Sorensen - Make MMIO depend on CONFIG_X86_VISWS instead of yet another random CONFIG option - Clean up locking in probe path Rev 3.23.36 October 1, 2003, Christoph Hellwig - queuecommand only ever receives new commands - clear flags - Reintegrate lost fixes from Linux 2.5 Rev 3.23.35 August 14, 2003, Jes Sorensen - Build against 2.6 Rev 3.23.34 July 23, 2003, Jes Sorensen - Remove pointless TRUE/FALSE macros - Clean up vchan handling Rev 3.23.33 July 3, 2003, Jes Sorensen - Don't define register access macros before define determining MMIO. This just happened to work out on ia64 but not elsewhere. - Don't try and read from the card while it is in reset as it won't respond and causes an MCA Rev 3.23.32 June 23, 2003, Jes Sorensen - Basic support for boot time arguments Rev 3.23.31 June 8, 2003, Jes Sorensen - Reduce boot time messages Rev 3.23.30 June 6, 2003, Jes Sorensen - Do not enable sync/wide/ppr before it has been determined that the target device actually supports it - Enable DMA arbitration for multi channel controllers Rev 3.23.29 June 3, 2003, Jes Sorensen - Port to 2.5.69 Rev 3.23.28 June 3, 2003, Jes Sorensen - Eliminate duplicate marker commands on bus resets - Handle outstanding commands appropriately on bus/device resets Rev 3.23.27 May 28, 2003, Jes Sorensen - Remove bogus input queue code, let the Linux SCSI layer do the work - Clean up NVRAM handling, only read it once from the card - Add a number of missing default nvram parameters Rev 3.23.26 Beta May 28, 2003, Jes Sorensen - Use completion queue for mailbox commands instead of busy wait Rev 3.23.25 Beta May 27, 2003, James Bottomley - Migrate to use new error handling code Rev 3.23.24 Beta May 21, 2003, James Bottomley - Big endian support - Cleanup data direction code Rev 3.23.23 Beta May 12, 2003, Jes Sorensen - Switch to using MMIO instead of PIO Rev 3.23.22 Beta April 15, 2003, Jes Sorensen - Fix PCI parity problem with 12160 during reset. Rev 3.23.21 Beta April 14, 2003, Jes Sorensen - Use pci_map_page()/pci_unmap_page() instead of map_single version. Rev 3.23.20 Beta April 9, 2003, Jes Sorensen - Remove < 2.4.x support - Introduce HOST_LOCK to make the spin lock changes portable. - Remove a bunch of idiotic and unnecessary typedef's - Kill all leftovers of target-mode support which never worked anyway Rev 3.23.19 Beta April 11, 2002, Linus Torvalds - Do qla1280_pci_config() before calling request_irq() and request_region() - Use pci_dma_hi32() to handle upper word of DMA addresses instead of large shifts - Hand correct arguments to free_irq() in case of failure Rev 3.23.18 Beta April 11, 2002, Jes Sorensen - Run source through Lindent and clean up the output Rev 3.23.17 Beta April 11, 2002, Jes Sorensen - Update SCSI firmware to qla1280 v8.15.00 and qla12160 v10.04.32 Rev 3.23.16 Beta March 19, 2002, Jes Sorensen - Rely on mailbox commands generating interrupts - do not run qla1280_isr() from ql1280_mailbox_command() - Remove device_reg_t - Integrate ql12160_set_target_parameters() with 1280 version - Make qla1280_setup() non static - Do not call qla1280_check_for_dead_scsi_bus() on every I/O request sent to the card - this command pauses the firmware!!! Rev 3.23.15 Beta March 19, 2002, Jes Sorensen - Clean up qla1280.h - remove obsolete QL_DEBUG_LEVEL_x definitions - Remove a pile of pointless and confusing (srb_t **) and (scsi_lu_t *) typecasts - Explicit mark that we do not use the new error handling (for now) - Remove scsi_qla_host_t and use 'struct' instead - Remove in_abort, watchdog_enabled, dpc, dpc_sched, bios_enabled, pci_64bit_slot flags which weren't used for anything anyway - Grab host->host_lock while calling qla1280_isr() from abort() - Use spin_lock()/spin_unlock() in qla1280_intr_handler() - we do not need to save/restore flags in the interrupt handler - Enable interrupts early (before any mailbox access) in preparation for cleaning up the mailbox handling Rev 3.23.14 Beta March 14, 2002, Jes Sorensen - Further cleanups. Remove all trace of QL_DEBUG_LEVEL_x and replace it with proper use of dprintk(). - Make qla1280_print_scsi_cmd() and qla1280_dump_buffer() both take a debug level argument to determine if data is to be printed - Add KERN_* info to printk() Rev 3.23.13 Beta March 14, 2002, Jes Sorensen - Significant cosmetic cleanups - Change debug code to use dprintk() and remove #if mess Rev 3.23.12 Beta March 13, 2002, Jes Sorensen - More cosmetic cleanups, fix places treating return as function - use cpu_relax() in qla1280_debounce_register() Rev 3.23.11 Beta March 13, 2002, Jes Sorensen - Make it compile under 2.5.5 Rev 3.23.10 Beta October 1, 2001, Jes Sorensen - Do no typecast short * to long * in QL1280BoardTbl, this broke miserably on big endian boxes Rev 3.23.9 Beta September 30, 2001, Jes Sorensen - Remove pre 2.2 hack for checking for reentrance in interrupt handler - Make data types used to receive from SCSI_{BUS,TCN,LUN}_32 unsigned int to match the types from struct scsi_cmnd Rev 3.23.8 Beta September 29, 2001, Jes Sorensen - Remove bogus timer_t typedef from qla1280.h - Remove obsolete pre 2.2 PCI setup code, use proper #define's for PCI_ values, call pci_set_master() - Fix memleak of qla1280_buffer on module unload - Only compile module parsing code #ifdef MODULE - should be changed to use individual MODULE_PARM's later - Remove dummy_buffer that was never modified nor printed - ENTER()/LEAVE() are noops unless QL_DEBUG_LEVEL_3, hence remove #ifdef QL_DEBUG_LEVEL_3/#endif around ENTER()/LEAVE() calls - Remove \r from print statements, this is Linux, not DOS - Remove obsolete QLA1280_{SCSILU,INTR,RING}_{LOCK,UNLOCK} dummy macros - Remove C++ compile hack in header file as Linux driver are not supposed to be compiled as C++ - Kill MS_64BITS macro as it makes the code more readable - Remove unnecessary flags.in_interrupts bit Rev 3.23.7 Beta August 20, 2001, Jes Sorensen - Dont' check for set flags on q->q_flag one by one in qla1280_next() - Check whether the interrupt was generated by the QLA1280 before doing any processing - qla1280_status_entry(): Only zero out part of sense_buffer that is not being copied into - Remove more superflouous typecasts - qla1280_32bit_start_scsi() replace home-brew memcpy() with memcpy() Rev 3.23.6 Beta August 20, 2001, Tony Luck, Intel - Don't walk the entire list in qla1280_putq_t() just to directly grab the pointer to the last element afterwards Rev 3.23.5 Beta August 9, 2001, Jes Sorensen - Don't use IRQF_DISABLED, it's use is deprecated for this kinda driver Rev 3.23.4 Beta August 8, 2001, Jes Sorensen - Set dev->max_sectors to 1024 Rev 3.23.3 Beta August 6, 2001, Jes Sorensen - Provide compat macros for pci_enable_device(), pci_find_subsys() and scsi_set_pci_device() - Call scsi_set_pci_device() for all devices - Reduce size of kernel version dependent device probe code - Move duplicate probe/init code to separate function - Handle error if qla1280_mem_alloc() fails - Kill OFFSET() macro and use Linux's PCI definitions instead - Kill private structure defining PCI config space (struct config_reg) - Only allocate I/O port region if not in MMIO mode - Remove duplicate (unused) sanity check of sife of srb_t Rev 3.23.2 Beta August 6, 2001, Jes Sorensen - Change home-brew memset() implementations to use memset() - Remove all references to COMTRACE() - accessing a PC's COM2 serial port directly is not legal under Linux. Rev 3.23.1 Beta April 24, 2001, Jes Sorensen - Remove pre 2.2 kernel support - clean up 64 bit DMA setting to use 2.4 API (provide backwards compat) - Fix MMIO access to use readl/writel instead of directly dereferencing pointers - Nuke MSDOS debugging code - Change true/false data types to int from uint8_t - Use int for counters instead of uint8_t etc. - Clean up size & byte order conversion macro usage Rev 3.23 Beta January 11, 2001 BN Qlogic - Added check of device_id when handling non QLA12160s during detect(). Rev 3.22 Beta January 5, 2001 BN Qlogic - Changed queue_task() to schedule_task() for kernels 2.4.0 and higher. Note: 2.4.0-testxx kernels released prior to the actual 2.4.0 kernel release on January 2001 will get compile/link errors with schedule_task(). Please update your kernel to released 2.4.0 level, or comment lines in this file flagged with 3.22 to resolve compile/link error of schedule_task(). - Added -DCONFIG_SMP in addition to -D__SMP__ in Makefile for 2.4.0 builds of driver as module. Rev 3.21 Beta January 4, 2001 BN Qlogic - Changed criteria of 64/32 Bit mode of HBA operation according to BITS_PER_LONG rather than HBA's NVRAM setting of >4Gig memory bit; so that the HBA auto-configures without the need to setup each system individually. Rev 3.20 Beta December 5, 2000 BN Qlogic - Added priority handling to IA-64 onboard SCSI ISP12160 chip for kernels greater than 2.3.18. - Added irqrestore for qla1280_intr_handler. - Enabled /proc/scsi/qla1280 interface. - Clear /proc/scsi/qla1280 counters in detect(). Rev 3.19 Beta October 13, 2000 BN Qlogic - Declare driver_template for new kernel (2.4.0 and greater) scsi initialization scheme. - Update /proc/scsi entry for 2.3.18 kernels and above as qla1280 Rev 3.18 Beta October 10, 2000 BN Qlogic - Changed scan order of adapters to map the QLA12160 followed by the QLA1280. Rev 3.17 Beta September 18, 2000 BN Qlogic - Removed warnings for 32 bit 2.4.x compiles - Corrected declared size for request and response DMA addresses that are kept in each ha Rev. 3.16 Beta August 25, 2000 BN Qlogic - Corrected 64 bit addressing issue on IA-64 where the upper 32 bits were not properly passed to the RISC engine. Rev. 3.15 Beta August 22, 2000 BN Qlogic - Modified qla1280_setup_chip to properly load ISP firmware for greater that 4 Gig memory on IA-64 Rev. 3.14 Beta August 16, 2000 BN Qlogic - Added setting of dma_mask to full 64 bit if flags.enable_64bit_addressing is set in NVRAM Rev. 3.13 Beta August 16, 2000 BN Qlogic - Use new PCI DMA mapping APIs for 2.4.x kernel Rev. 3.12 July 18, 2000 Redhat & BN Qlogic - Added check of pci_enable_device to detect() for 2.3.x - Use pci_resource_start() instead of pdev->resource[0].start in detect() for 2.3.x - Updated driver version Rev. 3.11 July 14, 2000 BN Qlogic - Updated SCSI Firmware to following versions: qla1x80: 8.13.08 qla1x160: 10.04.08 - Updated driver version to 3.11 Rev. 3.10 June 23, 2000 BN Qlogic - Added filtering of AMI SubSys Vendor ID devices Rev. 3.9 - DEBUG_QLA1280 undefined and new version BN Qlogic Rev. 3.08b May 9, 2000 MD Dell - Added logic to check against AMI subsystem vendor ID Rev. 3.08 May 4, 2000 DG Qlogic - Added logic to check for PCI subsystem ID. Rev. 3.07 Apr 24, 2000 DG & BN Qlogic - Updated SCSI Firmware to following versions: qla12160: 10.01.19 qla1280: 8.09.00 Rev. 3.06 Apr 12, 2000 DG & BN Qlogic - Internal revision; not released Rev. 3.05 Mar 28, 2000 DG & BN Qlogic - Edit correction for virt_to_bus and PROC. Rev. 3.04 Mar 28, 2000 DG & BN Qlogic - Merge changes from ia64 port. Rev. 3.03 Mar 28, 2000 BN Qlogic - Increase version to reflect new code drop with compile fix of issue with inclusion of linux/spinlock for 2.3 kernels Rev. 3.02 Mar 15, 2000 BN Qlogic - Merge qla1280_proc_info from 2.10 code base Rev. 3.01 Feb 10, 2000 BN Qlogic - Corrected code to compile on a 2.2.x kernel. Rev. 3.00 Jan 17, 2000 DG Qlogic - Added 64-bit support. Rev. 2.07 Nov 9, 1999 DG Qlogic - Added new routine to set target parameters for ISP12160. Rev. 2.06 Sept 10, 1999 DG Qlogic - Added support for ISP12160 Ultra 3 chip. Rev. 2.03 August 3, 1999 Fred Lewis, Intel DuPont - Modified code to remove errors generated when compiling with Cygnus IA64 Compiler. - 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. - Added l modifiers to sprintf and printk format specifiers for longs. - Removed unused local variables. Rev. 1.20 June 8, 1999 DG, Qlogic Changes to support RedHat release 6.0 (kernel 2.2.5). - Added SCSI exclusive access lock (io_request_lock) when accessing the adapter. - Added changes for the new LINUX interface template. Some new error handling routines have been added to the template, but for now we will use the old ones. - Initial Beta Release. *****************************************************************************/ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2) #include #endif /* * Compile time Options: * 0 - Disable and 1 - Enable */ #define DEBUG_QLA1280_INTR 0 #define DEBUG_PRINT_NVRAM 0 #define DEBUG_QLA1280 0 /* * The SGI VISWS is broken and doesn't support MMIO ;-( */ #ifdef CONFIG_X86_VISWS #define MEMORY_MAPPED_IO 0 #else #define MEMORY_MAPPED_IO 1 #endif #include "qla1280.h" #ifndef BITS_PER_LONG #error "BITS_PER_LONG not defined!" #endif #if (BITS_PER_LONG == 64) || defined CONFIG_HIGHMEM #define QLA_64BIT_PTR 1 #endif #ifdef QLA_64BIT_PTR #define pci_dma_hi32(a) ((a >> 16) >> 16) #else #define pci_dma_hi32(a) 0 #endif #define pci_dma_lo32(a) (a & 0xffffffff) #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_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) SCSI_SENSE_BUFFERSIZE #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 { char *name; /* Board ID String */ int numPorts; /* Number of SCSI ports */ int fw_index; /* index into qla1280_fw_tbl for firmware */ }; /* 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); DEFINE_MUTEX(qla1280_firmware_mutex); struct qla_fw { char *fwname; const struct firmware *fw; }; #define QL_NUM_FW_IMAGES 3 struct qla_fw qla1280_fw_tbl[QL_NUM_FW_IMAGES] = { {"qlogic/1040.bin", NULL}, /* image 0 */ {"qlogic/1280.bin", NULL}, /* image 1 */ {"qlogic/12160.bin", NULL}, /* image 2 */ }; /* NOTE: Order of boards in this table must match order in qla1280_pci_tbl */ static struct qla_boards ql1280_board_tbl[] = { {.name = "QLA12160", .numPorts = 2, .fw_index = 2}, {.name = "QLA1040" , .numPorts = 1, .fw_index = 0}, {.name = "QLA1080" , .numPorts = 1, .fw_index = 1}, {.name = "QLA1240" , .numPorts = 2, .fw_index = 1}, {.name = "QLA1280" , .numPorts = 2, .fw_index = 1}, {.name = "QLA10160", .numPorts = 1, .fw_index = 2}, {.name = " ", .numPorts = 0, .fw_index = -1}, }; 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 firmware 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], ha->fwver1, ha->fwver2, ha->fwver3, QLA1280_VERSION); return bp; } /************************************************************************** * qla1280_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_lck(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_SP(cmd); int status; cmd->scsi_done = fn; sp->cmd = cmd; sp->flags = 0; sp->wait = NULL; CMD_HANDLE(cmd) = (unsigned char *)NULL; 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; } static DEF_SCSI_QCMD(qla1280_queuecommand) enum action { ABORT_COMMAND, DEVICE_RESET, BUS_RESET, ADAPTER_RESET, }; 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); } static int _qla1280_wait_for_single_command(struct scsi_qla_host *ha, struct srb *sp, struct completion *wait) { int status = FAILED; struct scsi_cmnd *cmd = sp->cmd; spin_unlock_irq(ha->host->host_lock); wait_for_completion_timeout(wait, 4*HZ); spin_lock_irq(ha->host->host_lock); sp->wait = NULL; if(CMD_HANDLE(cmd) == COMPLETED_HANDLE) { status = SUCCESS; (*cmd->scsi_done)(cmd); } return status; } static int qla1280_wait_for_single_command(struct scsi_qla_host *ha, struct srb *sp) { DECLARE_COMPLETION_ONSTACK(wait); sp->wait = &wait; return _qla1280_wait_for_single_command(ha, sp, &wait); } static int qla1280_wait_for_pending_commands(struct scsi_qla_host *ha, int bus, int target) { int cnt; int status; struct srb *sp; struct scsi_cmnd *cmd; status = SUCCESS; /* * Wait for all commands with the designated bus/target * to be completed by the firmware */ for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { sp = ha->outstanding_cmds[cnt]; if (sp) { cmd = sp->cmd; if (bus >= 0 && SCSI_BUS_32(cmd) != bus) continue; if (target >= 0 && SCSI_TCN_32(cmd) != target) continue; status = qla1280_wait_for_single_command(ha, sp); if (status == FAILED) break; } } return status; } /************************************************************************** * qla1280_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 * **************************************************************************/ static int qla1280_error_action(struct scsi_cmnd *cmd, enum action action) { struct scsi_qla_host *ha; int bus, target, lun; struct srb *sp; int i, found; int result=FAILED; int wait_for_bus=-1; int wait_for_target = -1; DECLARE_COMPLETION_ONSTACK(wait); ENTER("qla1280_error_action"); ha = (struct scsi_qla_host *)(CMD_HOST(cmd)->hostdata); sp = (struct srb *)CMD_SP(cmd); bus = SCSI_BUS_32(cmd); target = SCSI_TCN_32(cmd); lun = SCSI_LUN_32(cmd); 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); 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); /* * Check to see if we have the command in the outstanding_cmds[] * array. If not then it must have completed before this error * action was initiated. If the error_action isn't ABORT_COMMAND * then the driver must proceed with the requested action. */ found = -1; for (i = 0; i < MAX_OUTSTANDING_COMMANDS; i++) { if (sp == ha->outstanding_cmds[i]) { found = i; sp->wait = &wait; /* we'll wait for it to complete */ break; } } if (found < 0) { /* driver doesn't have command */ result = SUCCESS; if (qla1280_verbose) { printk(KERN_INFO "scsi(%ld:%d:%d:%d): specified command has " "already completed.\n", ha->host_no, bus, target, lun); } } switch (action) { case ABORT_COMMAND: dprintk(1, "qla1280: RISC aborting command\n"); /* * The abort might fail due to race when the host_lock * is released to issue the abort. As such, we * don't bother to check the return status. */ if (found >= 0) qla1280_abort_command(ha, sp, found); 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) { /* issued device reset, set wait conditions */ wait_for_bus = bus; wait_for_target = target; } 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) { /* issued bus reset, set wait conditions */ wait_for_bus = bus; } 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; if (qla1280_abort_isp(ha) != 0) { /* it's dead */ result = FAILED; } ha->flags.reset_active = 0; } /* * At this point, the host_lock has been released and retaken * by the issuance of the mailbox command. * Wait for the command passed in by the mid-layer if it * was found by the driver. It might have been returned * between eh recovery steps, hence the check of the "found" * variable. */ if (found >= 0) result = _qla1280_wait_for_single_command(ha, sp, &wait); if (action == ABORT_COMMAND && result != SUCCESS) { printk(KERN_WARNING "scsi(%li:%i:%i:%i): " "Unable to abort command!\n", ha->host_no, bus, target, lun); } /* * If the command passed in by the mid-layer has been * returned by the board, then wait for any additional * commands which are supposed to complete based upon * the error action. * * All commands are unconditionally returned during a * call to qla1280_abort_isp(), ADAPTER_RESET. No need * to wait for them. */ if (result == SUCCESS && wait_for_bus >= 0) { result = qla1280_wait_for_pending_commands(ha, wait_for_bus, wait_for_target); } 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. */ if (!ha->flags.abort_isp_active) qla1280_marker(ha, bus, target, 0, MK_SYNC_ID); break; case DID_ABORT: sp->flags &= ~SRB_ABORT_PENDING; sp->flags |= SRB_ABORTED; break; default: break; } /* Release memory used for this I/O */ scsi_dma_unmap(cmd); /* Call the mid-level driver interrupt handler */ ha->actthreads--; if (sp->wait == NULL) (*(cmd)->scsi_done)(cmd); else 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 ((scsi_bufflen(cp) - residual_length) < cp->underflow) { printk(KERN_WARNING "scsi: Underflow detected - retrying " "command.\n"); host_status = DID_ERROR; } else { scsi_set_resid(cp, 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 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; } /* * qla1280_request_firmware * Acquire firmware for chip. Retain in memory * for error recovery. * * Input: * ha = adapter block pointer. * * Returns: * Pointer to firmware image or an error code * cast to pointer via ERR_PTR(). */ static const struct firmware * qla1280_request_firmware(struct scsi_qla_host *ha) { const struct firmware *fw; int err; int index; char *fwname; spin_unlock_irq(ha->host->host_lock); mutex_lock(&qla1280_firmware_mutex); index = ql1280_board_tbl[ha->devnum].fw_index; fw = qla1280_fw_tbl[index].fw; if (fw) goto out; fwname = qla1280_fw_tbl[index].fwname; err = request_firmware(&fw, fwname, &ha->pdev->dev); if (err) { printk(KERN_ERR "Failed to load image \"%s\" err %d\n", fwname, err); fw = ERR_PTR(err); goto unlock; } if ((fw->size % 2) || (fw->size < 6)) { printk(KERN_ERR "Invalid firmware length %zu in image \"%s\"\n", fw->size, fwname); release_firmware(fw); fw = ERR_PTR(-EINVAL); goto unlock; } qla1280_fw_tbl[index].fw = fw; out: ha->fwver1 = fw->data[0]; ha->fwver2 = fw->data[1]; ha->fwver3 = fw->data[2]; unlock: mutex_unlock(&qla1280_firmware_mutex); spin_lock_irq(ha->host->host_lock); return fw; } /* * 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) { /* enter with host_lock acquired */ const struct firmware *fw; const __le16 *fw_data; uint16_t risc_address, risc_code_size; uint16_t mb[MAILBOX_REGISTER_COUNT], i; int err = 0; fw = qla1280_request_firmware(ha); if (IS_ERR(fw)) return PTR_ERR(fw); fw_data = (const __le16 *)&fw->data[0]; ha->fwstart = __le16_to_cpu(fw_data[2]); /* Load RISC code. */ risc_address = ha->fwstart; fw_data = (const __le16 *)&fw->data[6]; risc_code_size = (fw->size - 6) / 2; for (i = 0; i < risc_code_size; i++) { mb[0] = MBC_WRITE_RAM_WORD; mb[1] = risc_address + i; mb[2] = __le16_to_cpu(fw_data[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); break; } } return err; } #define DUMP_IT_BACK 0 /* for debug of RISC loading */ static int qla1280_load_firmware_dma(struct scsi_qla_host *ha) { /* enter with host_lock acquired */ const struct firmware *fw; const __le16 *fw_data; uint16_t risc_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 fw = qla1280_request_firmware(ha); if (IS_ERR(fw)) return PTR_ERR(fw); fw_data = (const __le16 *)&fw->data[0]; ha->fwstart = __le16_to_cpu(fw_data[2]); /* Load RISC code. */ risc_address = ha->fwstart; fw_data = (const __le16 *)&fw->data[6]; risc_code_size = (fw->size - 6) / 2; dprintk(1, "%s: DMA RISC code (%i) words\n", __func__, 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", fw_data, cnt, num, risc_address); for(i = 0; i < cnt; i++) ((__le16 *)ha->request_ring)[i] = fw_data[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", __func__, 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", __func__, i, num); printk(KERN_ERR "%s: FWbyte=%x " "FWfromChip=%x\n", __func__, sp[i], tbuf[i]); /*break; */ } } #endif risc_address += cnt; risc_code_size = risc_code_size - cnt; fw_data = fw_data + 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", __func__); /* Verify checksum of loaded RISC code. */ mb[0] = MBC_VERIFY_CHECKSUM; /* mb[1] = ql12_risc_code_addr01; */ mb[1] = ha->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", __func__); mb[0] = MBC_EXECUTE_FIRMWARE; mb[1] = ha->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) { /* enter with host_lock taken */ 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. */ n