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qla1280.c
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linux-6.19.14/drivers/scsi/qla1280.c
1// SPDX-License-Identifier: GPL-2.0-or-later 2/****************************************************************************** 3* QLOGIC LINUX SOFTWARE 4* 5* QLogic QLA1280 (Ultra2) and QLA12160 (Ultra3) SCSI driver 6* Copyright (C) 2000 Qlogic Corporation (www.qlogic.com) 7* Copyright (C) 2001-2004 Jes Sorensen, Wild Open Source Inc. 8* Copyright (C) 2003-2004 Christoph Hellwig 9* 10******************************************************************************/ 11#define QLA1280_VERSION "3.27.1" 12/***************************************************************************** 13 Revision History: 14 Rev 3.27.1, February 8, 2010, Michael Reed 15 - Retain firmware image for error recovery. 16 Rev 3.27, February 10, 2009, Michael Reed 17 - General code cleanup. 18 - Improve error recovery. 19 Rev 3.26, January 16, 2006 Jes Sorensen 20 - Ditch all < 2.6 support 21 Rev 3.25.1, February 10, 2005 Christoph Hellwig 22 - use pci_map_single to map non-S/G requests 23 - remove qla1280_proc_info 24 Rev 3.25, September 28, 2004, Christoph Hellwig 25 - add support for ISP1020/1040 26 - don't include "scsi.h" anymore for 2.6.x 27 Rev 3.24.4 June 7, 2004 Christoph Hellwig 28 - restructure firmware loading, cleanup initialization code 29 - prepare support for ISP1020/1040 chips 30 Rev 3.24.3 January 19, 2004, Jes Sorensen 31 - Handle PCI DMA mask settings correctly 32 - Correct order of error handling in probe_one, free_irq should not 33 be called if request_irq failed 34 Rev 3.24.2 January 19, 2004, James Bottomley & Andrew Vasquez 35 - Big endian fixes (James) 36 - Remove bogus IOCB content on zero data transfer commands (Andrew) 37 Rev 3.24.1 January 5, 2004, Jes Sorensen 38 - Initialize completion queue to avoid OOPS on probe 39 - Handle interrupts during mailbox testing 40 Rev 3.24 November 17, 2003, Christoph Hellwig 41 - use struct list_head for completion queue 42 - avoid old Scsi_FOO typedefs 43 - cleanup 2.4 compat glue a bit 44 - use <scsi/scsi_*.h> headers on 2.6 instead of "scsi.h" 45 - make initialization for memory mapped vs port I/O more similar 46 - remove broken pci config space manipulation 47 - kill more cruft 48 - this is an almost perfect 2.6 scsi driver now! ;) 49 Rev 3.23.39 December 17, 2003, Jes Sorensen 50 - Delete completion queue from srb if mailbox command failed to 51 to avoid qla1280_done completeting qla1280_error_action's 52 obsolete context 53 - Reduce arguments for qla1280_done 54 Rev 3.23.38 October 18, 2003, Christoph Hellwig 55 - Convert to new-style hotplugable driver for 2.6 56 - Fix missing scsi_unregister/scsi_host_put on HBA removal 57 - Kill some more cruft 58 Rev 3.23.37 October 1, 2003, Jes Sorensen 59 - Make MMIO depend on CONFIG_X86_VISWS instead of yet another 60 random CONFIG option 61 - Clean up locking in probe path 62 Rev 3.23.36 October 1, 2003, Christoph Hellwig 63 - queuecommand only ever receives new commands - clear flags 64 - Reintegrate lost fixes from Linux 2.5 65 Rev 3.23.35 August 14, 2003, Jes Sorensen 66 - Build against 2.6 67 Rev 3.23.34 July 23, 2003, Jes Sorensen 68 - Remove pointless TRUE/FALSE macros 69 - Clean up vchan handling 70 Rev 3.23.33 July 3, 2003, Jes Sorensen 71 - Don't define register access macros before define determining MMIO. 72 This just happened to work out on ia64 but not elsewhere. 73 - Don't try and read from the card while it is in reset as 74 it won't respond and causes an MCA 75 Rev 3.23.32 June 23, 2003, Jes Sorensen 76 - Basic support for boot time arguments 77 Rev 3.23.31 June 8, 2003, Jes Sorensen 78 - Reduce boot time messages 79 Rev 3.23.30 June 6, 2003, Jes Sorensen 80 - Do not enable sync/wide/ppr before it has been determined 81 that the target device actually supports it 82 - Enable DMA arbitration for multi channel controllers 83 Rev 3.23.29 June 3, 2003, Jes Sorensen 84 - Port to 2.5.69 85 Rev 3.23.28 June 3, 2003, Jes Sorensen 86 - Eliminate duplicate marker commands on bus resets 87 - Handle outstanding commands appropriately on bus/device resets 88 Rev 3.23.27 May 28, 2003, Jes Sorensen 89 - Remove bogus input queue code, let the Linux SCSI layer do the work 90 - Clean up NVRAM handling, only read it once from the card 91 - Add a number of missing default nvram parameters 92 Rev 3.23.26 Beta May 28, 2003, Jes Sorensen 93 - Use completion queue for mailbox commands instead of busy wait 94 Rev 3.23.25 Beta May 27, 2003, James Bottomley 95 - Migrate to use new error handling code 96 Rev 3.23.24 Beta May 21, 2003, James Bottomley 97 - Big endian support 98 - Cleanup data direction code 99 Rev 3.23.23 Beta May 12, 2003, Jes Sorensen 100 - Switch to using MMIO instead of PIO 101 Rev 3.23.22 Beta April 15, 2003, Jes Sorensen 102 - Fix PCI parity problem with 12160 during reset. 103 Rev 3.23.21 Beta April 14, 2003, Jes Sorensen 104 - Use pci_map_page()/pci_unmap_page() instead of map_single version. 105 Rev 3.23.20 Beta April 9, 2003, Jes Sorensen 106 - Remove < 2.4.x support 107 - Introduce HOST_LOCK to make the spin lock changes portable. 108 - Remove a bunch of idiotic and unnecessary typedef's 109 - Kill all leftovers of target-mode support which never worked anyway 110 Rev 3.23.19 Beta April 11, 2002, Linus Torvalds 111 - Do qla1280_pci_config() before calling request_irq() and 112 request_region() 113 - Use pci_dma_hi32() to handle upper word of DMA addresses instead 114 of large shifts 115 - Hand correct arguments to free_irq() in case of failure 116 Rev 3.23.18 Beta April 11, 2002, Jes Sorensen 117 - Run source through Lindent and clean up the output 118 Rev 3.23.17 Beta April 11, 2002, Jes Sorensen 119 - Update SCSI firmware to qla1280 v8.15.00 and qla12160 v10.04.32 120 Rev 3.23.16 Beta March 19, 2002, Jes Sorensen 121 - Rely on mailbox commands generating interrupts - do not 122 run qla1280_isr() from ql1280_mailbox_command() 123 - Remove device_reg_t 124 - Integrate ql12160_set_target_parameters() with 1280 version 125 - Make qla1280_setup() non static 126 - Do not call qla1280_check_for_dead_scsi_bus() on every I/O request 127 sent to the card - this command pauses the firmware!!! 128 Rev 3.23.15 Beta March 19, 2002, Jes Sorensen 129 - Clean up qla1280.h - remove obsolete QL_DEBUG_LEVEL_x definitions 130 - Remove a pile of pointless and confusing (srb_t **) and 131 (scsi_lu_t *) typecasts 132 - Explicit mark that we do not use the new error handling (for now) 133 - Remove scsi_qla_host_t and use 'struct' instead 134 - Remove in_abort, watchdog_enabled, dpc, dpc_sched, bios_enabled, 135 pci_64bit_slot flags which weren't used for anything anyway 136 - Grab host->host_lock while calling qla1280_isr() from abort() 137 - Use spin_lock()/spin_unlock() in qla1280_intr_handler() - we 138 do not need to save/restore flags in the interrupt handler 139 - Enable interrupts early (before any mailbox access) in preparation 140 for cleaning up the mailbox handling 141 Rev 3.23.14 Beta March 14, 2002, Jes Sorensen 142 - Further cleanups. Remove all trace of QL_DEBUG_LEVEL_x and replace 143 it with proper use of dprintk(). 144 - Make qla1280_print_scsi_cmd() and qla1280_dump_buffer() both take 145 a debug level argument to determine if data is to be printed 146 - Add KERN_* info to printk() 147 Rev 3.23.13 Beta March 14, 2002, Jes Sorensen 148 - Significant cosmetic cleanups 149 - Change debug code to use dprintk() and remove #if mess 150 Rev 3.23.12 Beta March 13, 2002, Jes Sorensen 151 - More cosmetic cleanups, fix places treating return as function 152 - use cpu_relax() in qla1280_debounce_register() 153 Rev 3.23.11 Beta March 13, 2002, Jes Sorensen 154 - Make it compile under 2.5.5 155 Rev 3.23.10 Beta October 1, 2001, Jes Sorensen 156 - Do no typecast short * to long * in QL1280BoardTbl, this 157 broke miserably on big endian boxes 158 Rev 3.23.9 Beta September 30, 2001, Jes Sorensen 159 - Remove pre 2.2 hack for checking for reentrance in interrupt handler 160 - Make data types used to receive from SCSI_{BUS,TCN,LUN}_32 161 unsigned int to match the types from struct scsi_cmnd 162 Rev 3.23.8 Beta September 29, 2001, Jes Sorensen 163 - Remove bogus timer_t typedef from qla1280.h 164 - Remove obsolete pre 2.2 PCI setup code, use proper #define's 165 for PCI_ values, call pci_set_master() 166 - Fix memleak of qla1280_buffer on module unload 167 - Only compile module parsing code #ifdef MODULE - should be 168 changed to use individual MODULE_PARM's later 169 - Remove dummy_buffer that was never modified nor printed 170 - ENTER()/LEAVE() are noops unless QL_DEBUG_LEVEL_3, hence remove 171 #ifdef QL_DEBUG_LEVEL_3/#endif around ENTER()/LEAVE() calls 172 - Remove \r from print statements, this is Linux, not DOS 173 - Remove obsolete QLA1280_{SCSILU,INTR,RING}_{LOCK,UNLOCK} 174 dummy macros 175 - Remove C++ compile hack in header file as Linux driver are not 176 supposed to be compiled as C++ 177 - Kill MS_64BITS macro as it makes the code more readable 178 - Remove unnecessary flags.in_interrupts bit 179 Rev 3.23.7 Beta August 20, 2001, Jes Sorensen 180 - Dont' check for set flags on q->q_flag one by one in qla1280_next() 181 - Check whether the interrupt was generated by the QLA1280 before 182 doing any processing 183 - qla1280_status_entry(): Only zero out part of sense_buffer that 184 is not being copied into 185 - Remove more superflouous typecasts 186 - qla1280_32bit_start_scsi() replace home-brew memcpy() with memcpy() 187 Rev 3.23.6 Beta August 20, 2001, Tony Luck, Intel 188 - Don't walk the entire list in qla1280_putq_t() just to directly 189 grab the pointer to the last element afterwards 190 Rev 3.23.5 Beta August 9, 2001, Jes Sorensen 191 - Don't use IRQF_DISABLED, it's use is deprecated for this kinda driver 192 Rev 3.23.4 Beta August 8, 2001, Jes Sorensen 193 - Set dev->max_sectors to 1024 194 Rev 3.23.3 Beta August 6, 2001, Jes Sorensen 195 - Provide compat macros for pci_enable_device(), pci_find_subsys() 196 and scsi_set_pci_device() 197 - Call scsi_set_pci_device() for all devices 198 - Reduce size of kernel version dependent device probe code 199 - Move duplicate probe/init code to separate function 200 - Handle error if qla1280_mem_alloc() fails 201 - Kill OFFSET() macro and use Linux's PCI definitions instead 202 - Kill private structure defining PCI config space (struct config_reg) 203 - Only allocate I/O port region if not in MMIO mode 204 - Remove duplicate (unused) sanity check of sife of srb_t 205 Rev 3.23.2 Beta August 6, 2001, Jes Sorensen 206 - Change home-brew memset() implementations to use memset() 207 - Remove all references to COMTRACE() - accessing a PC's COM2 serial 208 port directly is not legal under Linux. 209 Rev 3.23.1 Beta April 24, 2001, Jes Sorensen 210 - Remove pre 2.2 kernel support 211 - clean up 64 bit DMA setting to use 2.4 API (provide backwards compat) 212 - Fix MMIO access to use readl/writel instead of directly 213 dereferencing pointers 214 - Nuke MSDOS debugging code 215 - Change true/false data types to int from uint8_t 216 - Use int for counters instead of uint8_t etc. 217 - Clean up size & byte order conversion macro usage 218 Rev 3.23 Beta January 11, 2001 BN Qlogic 219 - Added check of device_id when handling non 220 QLA12160s during detect(). 221 Rev 3.22 Beta January 5, 2001 BN Qlogic 222 - Changed queue_task() to schedule_task() 223 for kernels 2.4.0 and higher. 224 Note: 2.4.0-testxx kernels released prior to 225 the actual 2.4.0 kernel release on January 2001 226 will get compile/link errors with schedule_task(). 227 Please update your kernel to released 2.4.0 level, 228 or comment lines in this file flagged with 3.22 229 to resolve compile/link error of schedule_task(). 230 - Added -DCONFIG_SMP in addition to -D__SMP__ 231 in Makefile for 2.4.0 builds of driver as module. 232 Rev 3.21 Beta January 4, 2001 BN Qlogic 233 - Changed criteria of 64/32 Bit mode of HBA 234 operation according to BITS_PER_LONG rather 235 than HBA's NVRAM setting of >4Gig memory bit; 236 so that the HBA auto-configures without the need 237 to setup each system individually. 238 Rev 3.20 Beta December 5, 2000 BN Qlogic 239 - Added priority handling to IA-64 onboard SCSI 240 ISP12160 chip for kernels greater than 2.3.18. 241 - Added irqrestore for qla1280_intr_handler. 242 - Enabled /proc/scsi/qla1280 interface. 243 - Clear /proc/scsi/qla1280 counters in detect(). 244 Rev 3.19 Beta October 13, 2000 BN Qlogic 245 - Declare driver_template for new kernel 246 (2.4.0 and greater) scsi initialization scheme. 247 - Update /proc/scsi entry for 2.3.18 kernels and 248 above as qla1280 249 Rev 3.18 Beta October 10, 2000 BN Qlogic 250 - Changed scan order of adapters to map 251 the QLA12160 followed by the QLA1280. 252 Rev 3.17 Beta September 18, 2000 BN Qlogic 253 - Removed warnings for 32 bit 2.4.x compiles 254 - Corrected declared size for request and response 255 DMA addresses that are kept in each ha 256 Rev. 3.16 Beta August 25, 2000 BN Qlogic 257 - Corrected 64 bit addressing issue on IA-64 258 where the upper 32 bits were not properly 259 passed to the RISC engine. 260 Rev. 3.15 Beta August 22, 2000 BN Qlogic 261 - Modified qla1280_setup_chip to properly load 262 ISP firmware for greater that 4 Gig memory on IA-64 263 Rev. 3.14 Beta August 16, 2000 BN Qlogic 264 - Added setting of dma_mask to full 64 bit 265 if flags.enable_64bit_addressing is set in NVRAM 266 Rev. 3.13 Beta August 16, 2000 BN Qlogic 267 - Use new PCI DMA mapping APIs for 2.4.x kernel 268 Rev. 3.12 July 18, 2000 Redhat & BN Qlogic 269 - Added check of pci_enable_device to detect() for 2.3.x 270 - Use pci_resource_start() instead of 271 pdev->resource[0].start in detect() for 2.3.x 272 - Updated driver version 273 Rev. 3.11 July 14, 2000 BN Qlogic 274 - Updated SCSI Firmware to following versions: 275 qla1x80: 8.13.08 276 qla1x160: 10.04.08 277 - Updated driver version to 3.11 278 Rev. 3.10 June 23, 2000 BN Qlogic 279 - Added filtering of AMI SubSys Vendor ID devices 280 Rev. 3.9 281 - DEBUG_QLA1280 undefined and new version BN Qlogic 282 Rev. 3.08b May 9, 2000 MD Dell 283 - Added logic to check against AMI subsystem vendor ID 284 Rev. 3.08 May 4, 2000 DG Qlogic 285 - Added logic to check for PCI subsystem ID. 286 Rev. 3.07 Apr 24, 2000 DG & BN Qlogic 287 - Updated SCSI Firmware to following versions: 288 qla12160: 10.01.19 289 qla1280: 8.09.00 290 Rev. 3.06 Apr 12, 2000 DG & BN Qlogic 291 - Internal revision; not released 292 Rev. 3.05 Mar 28, 2000 DG & BN Qlogic 293 - Edit correction for virt_to_bus and PROC. 294 Rev. 3.04 Mar 28, 2000 DG & BN Qlogic 295 - Merge changes from ia64 port. 296 Rev. 3.03 Mar 28, 2000 BN Qlogic 297 - Increase version to reflect new code drop with compile fix 298 of issue with inclusion of linux/spinlock for 2.3 kernels 299 Rev. 3.02 Mar 15, 2000 BN Qlogic 300 - Merge qla1280_proc_info from 2.10 code base 301 Rev. 3.01 Feb 10, 2000 BN Qlogic 302 - Corrected code to compile on a 2.2.x kernel. 303 Rev. 3.00 Jan 17, 2000 DG Qlogic 304 - Added 64-bit support. 305 Rev. 2.07 Nov 9, 1999 DG Qlogic 306 - Added new routine to set target parameters for ISP12160. 307 Rev. 2.06 Sept 10, 1999 DG Qlogic 308 - Added support for ISP12160 Ultra 3 chip. 309 Rev. 2.03 August 3, 1999 Fred Lewis, Intel DuPont 310 - Modified code to remove errors generated when compiling with 311 Cygnus IA64 Compiler. 312 - Changed conversion of pointers to unsigned longs instead of integers. 313 - Changed type of I/O port variables from uint32_t to unsigned long. 314 - Modified OFFSET macro to work with 64-bit as well as 32-bit. 315 - Changed sprintf and printk format specifiers for pointers to %p. 316 - Changed some int to long type casts where needed in sprintf & printk. 317 - Added l modifiers to sprintf and printk format specifiers for longs. 318 - Removed unused local variables. 319 Rev. 1.20 June 8, 1999 DG, Qlogic 320 Changes to support RedHat release 6.0 (kernel 2.2.5). 321 - Added SCSI exclusive access lock (io_request_lock) when accessing 322 the adapter. 323 - Added changes for the new LINUX interface template. Some new error 324 handling routines have been added to the template, but for now we 325 will use the old ones. 326 - Initial Beta Release. 327*****************************************************************************/ 328 329 330#include <linux/module.h> 331 332#include <linux/types.h> 333#include <linux/string.h> 334#include <linux/errno.h> 335#include <linux/kernel.h> 336#include <linux/ioport.h> 337#include <linux/delay.h> 338#include <linux/timer.h> 339#include <linux/pci.h> 340#include <linux/proc_fs.h> 341#include <linux/stat.h> 342#include <linux/pci_ids.h> 343#include <linux/interrupt.h> 344#include <linux/init.h> 345#include <linux/dma-mapping.h> 346#include <linux/firmware.h> 347 348#include <asm/io.h> 349#include <asm/irq.h> 350#include <asm/byteorder.h> 351#include <asm/processor.h> 352#include <asm/types.h> 353 354#include <scsi/scsi.h> 355#include <scsi/scsi_cmnd.h> 356#include <scsi/scsi_device.h> 357#include <scsi/scsi_host.h> 358#include <scsi/scsi_tcq.h> 359 360 361/* 362 * Compile time Options: 363 * 0 - Disable and 1 - Enable 364 */ 365#define DEBUG_QLA1280_INTR 0 366#define DEBUG_PRINT_NVRAM 0 367#define DEBUG_QLA1280 0 368 369#define MEMORY_MAPPED_IO 1 370 371#include "qla1280.h" 372 373#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT 374#define QLA_64BIT_PTR 1 375#endif 376 377#define NVRAM_DELAY() udelay(500) /* 2 microseconds */ 378 379#define IS_ISP1040(ha) (ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP1020) 380#define IS_ISP1x40(ha) (ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP1020 || \ 381 ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP1240) 382#define IS_ISP1x160(ha) (ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP10160 || \ 383 ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP12160) 384 385 386static int qla1280_probe_one(struct pci_dev *, const struct pci_device_id *); 387static void qla1280_remove_one(struct pci_dev *); 388 389/* 390 * QLogic Driver Support Function Prototypes. 391 */ 392static void qla1280_done(struct scsi_qla_host *); 393static int qla1280_get_token(char *); 394static int qla1280_setup(char *s) __init; 395 396/* 397 * QLogic ISP1280 Hardware Support Function Prototypes. 398 */ 399static int qla1280_load_firmware(struct scsi_qla_host *); 400static int qla1280_init_rings(struct scsi_qla_host *); 401static int qla1280_nvram_config(struct scsi_qla_host *); 402static int qla1280_mailbox_command(struct scsi_qla_host *, 403 uint8_t, uint16_t *); 404static int qla1280_bus_reset(struct scsi_qla_host *, int); 405static int qla1280_device_reset(struct scsi_qla_host *, int, int); 406static int qla1280_abort_command(struct scsi_qla_host *, struct srb *, int); 407static int qla1280_abort_isp(struct scsi_qla_host *); 408#ifdef QLA_64BIT_PTR 409static int qla1280_64bit_start_scsi(struct scsi_qla_host *, struct srb *); 410#else 411static int qla1280_32bit_start_scsi(struct scsi_qla_host *, struct srb *); 412#endif 413static void qla1280_nv_write(struct scsi_qla_host *, uint16_t); 414static void qla1280_poll(struct scsi_qla_host *); 415static void qla1280_reset_adapter(struct scsi_qla_host *); 416static void qla1280_marker(struct scsi_qla_host *, int, int, int, u8); 417static void qla1280_isp_cmd(struct scsi_qla_host *); 418static void qla1280_isr(struct scsi_qla_host *, struct list_head *); 419static void qla1280_rst_aen(struct scsi_qla_host *); 420static void qla1280_status_entry(struct scsi_qla_host *, struct response *, 421 struct list_head *); 422static void qla1280_error_entry(struct scsi_qla_host *, struct response *, 423 struct list_head *); 424static uint16_t qla1280_get_nvram_word(struct scsi_qla_host *, uint32_t); 425static uint16_t qla1280_nvram_request(struct scsi_qla_host *, uint32_t); 426static uint16_t qla1280_debounce_register(volatile uint16_t __iomem *); 427static request_t *qla1280_req_pkt(struct scsi_qla_host *); 428static int qla1280_check_for_dead_scsi_bus(struct scsi_qla_host *, 429 unsigned int); 430static void qla1280_get_target_parameters(struct scsi_qla_host *, 431 struct scsi_device *); 432static int qla1280_set_target_parameters(struct scsi_qla_host *, int, int); 433 434 435static struct qla_driver_setup driver_setup; 436 437/* 438 * convert scsi data direction to request_t control flags 439 */ 440static inline uint16_t 441qla1280_data_direction(struct scsi_cmnd *cmnd) 442{ 443 switch(cmnd->sc_data_direction) { 444 case DMA_FROM_DEVICE: 445 return BIT_5; 446 case DMA_TO_DEVICE: 447 return BIT_6; 448 case DMA_BIDIRECTIONAL: 449 return BIT_5 | BIT_6; 450 /* 451 * We could BUG() on default here if one of the four cases aren't 452 * met, but then again if we receive something like that from the 453 * SCSI layer we have more serious problems. This shuts up GCC. 454 */ 455 case DMA_NONE: 456 default: 457 return 0; 458 } 459} 460 461#if DEBUG_QLA1280 462static void __qla1280_print_scsi_cmd(struct scsi_cmnd * cmd); 463static void __qla1280_dump_buffer(char *, int); 464#endif 465 466 467/* 468 * insmod needs to find the variable and make it point to something 469 */ 470#ifdef MODULE 471static char *qla1280; 472 473/* insmod qla1280 options=verbose" */ 474module_param(qla1280, charp, 0); 475#else 476__setup("qla1280=", qla1280_setup); 477#endif 478 479 480#define CMD_CDBLEN(Cmnd) Cmnd->cmd_len 481#define CMD_CDBP(Cmnd) Cmnd->cmnd 482#define CMD_SNSP(Cmnd) Cmnd->sense_buffer 483#define CMD_SNSLEN(Cmnd) SCSI_SENSE_BUFFERSIZE 484#define CMD_RESULT(Cmnd) Cmnd->result 485#define CMD_HANDLE(Cmnd) Cmnd->host_scribble 486 487#define CMD_HOST(Cmnd) Cmnd->device->host 488#define SCSI_BUS_32(Cmnd) Cmnd->device->channel 489#define SCSI_TCN_32(Cmnd) Cmnd->device->id 490#define SCSI_LUN_32(Cmnd) Cmnd->device->lun 491 492 493/*****************************************/ 494/* ISP Boards supported by this driver */ 495/*****************************************/ 496 497struct qla_boards { 498 char *name; /* Board ID String */ 499 int numPorts; /* Number of SCSI ports */ 500 int fw_index; /* index into qla1280_fw_tbl for firmware */ 501}; 502 503/* NOTE: the last argument in each entry is used to index ql1280_board_tbl */ 504static const struct pci_device_id qla1280_pci_tbl[] = { 505 {PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP12160, 506 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, 507 {PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP1020, 508 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1}, 509 {PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP1080, 510 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2}, 511 {PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP1240, 512 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3}, 513 {PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP1280, 514 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4}, 515 {PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP10160, 516 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 5}, 517 {0,} 518}; 519MODULE_DEVICE_TABLE(pci, qla1280_pci_tbl); 520 521static DEFINE_MUTEX(qla1280_firmware_mutex); 522 523struct qla_fw { 524 char *fwname; 525 const struct firmware *fw; 526}; 527 528#define QL_NUM_FW_IMAGES 3 529 530static struct qla_fw qla1280_fw_tbl[QL_NUM_FW_IMAGES] = { 531 {"qlogic/1040.bin", NULL}, /* image 0 */ 532 {"qlogic/1280.bin", NULL}, /* image 1 */ 533 {"qlogic/12160.bin", NULL}, /* image 2 */ 534}; 535 536/* NOTE: Order of boards in this table must match order in qla1280_pci_tbl */ 537static struct qla_boards ql1280_board_tbl[] = { 538 {.name = "QLA12160", .numPorts = 2, .fw_index = 2}, 539 {.name = "QLA1040" , .numPorts = 1, .fw_index = 0}, 540 {.name = "QLA1080" , .numPorts = 1, .fw_index = 1}, 541 {.name = "QLA1240" , .numPorts = 2, .fw_index = 1}, 542 {.name = "QLA1280" , .numPorts = 2, .fw_index = 1}, 543 {.name = "QLA10160", .numPorts = 1, .fw_index = 2}, 544 {.name = " ", .numPorts = 0, .fw_index = -1}, 545}; 546 547static int qla1280_verbose = 1; 548 549#if DEBUG_QLA1280 550static int ql_debug_level = 1; 551#define dprintk(level, format, a...) \ 552 do { if (ql_debug_level >= level) printk(KERN_ERR format, ##a); } while(0) 553#define qla1280_dump_buffer(level, buf, size) \ 554 if (ql_debug_level >= level) __qla1280_dump_buffer(buf, size) 555#define qla1280_print_scsi_cmd(level, cmd) \ 556 if (ql_debug_level >= level) __qla1280_print_scsi_cmd(cmd) 557#else 558#define ql_debug_level 0 559#define dprintk(level, format, a...) do{}while(0) 560#define qla1280_dump_buffer(a, b, c) do{}while(0) 561#define qla1280_print_scsi_cmd(a, b) do{}while(0) 562#endif 563 564#define ENTER(x) dprintk(3, "qla1280 : Entering %s()\n", x); 565#define LEAVE(x) dprintk(3, "qla1280 : Leaving %s()\n", x); 566#define ENTER_INTR(x) dprintk(4, "qla1280 : Entering %s()\n", x); 567#define LEAVE_INTR(x) dprintk(4, "qla1280 : Leaving %s()\n", x); 568 569 570static int qla1280_read_nvram(struct scsi_qla_host *ha) 571{ 572 uint16_t *wptr; 573 uint8_t chksum; 574 int cnt, i; 575 struct nvram *nv; 576 577 ENTER("qla1280_read_nvram"); 578 579 if (driver_setup.no_nvram) 580 return 1; 581 582 printk(KERN_INFO "scsi(%ld): Reading NVRAM\n", ha->host_no); 583 584 wptr = (uint16_t *)&ha->nvram; 585 nv = &ha->nvram; 586 chksum = 0; 587 for (cnt = 0; cnt < 3; cnt++) { 588 *wptr = qla1280_get_nvram_word(ha, cnt); 589 chksum += *wptr & 0xff; 590 chksum += (*wptr >> 8) & 0xff; 591 wptr++; 592 } 593 594 if (nv->id0 != 'I' || nv->id1 != 'S' || 595 nv->id2 != 'P' || nv->id3 != ' ' || nv->version < 1) { 596 dprintk(2, "Invalid nvram ID or version!\n"); 597 chksum = 1; 598 } else { 599 for (; cnt < sizeof(struct nvram); cnt++) { 600 *wptr = qla1280_get_nvram_word(ha, cnt); 601 chksum += *wptr & 0xff; 602 chksum += (*wptr >> 8) & 0xff; 603 wptr++; 604 } 605 } 606 607 dprintk(3, "qla1280_read_nvram: NVRAM Magic ID= %c %c %c %02x" 608 " version %i\n", nv->id0, nv->id1, nv->id2, nv->id3, 609 nv->version); 610 611 612 if (chksum) { 613 if (!driver_setup.no_nvram) 614 printk(KERN_WARNING "scsi(%ld): Unable to identify or " 615 "validate NVRAM checksum, using default " 616 "settings\n", ha->host_no); 617 ha->nvram_valid = 0; 618 } else 619 ha->nvram_valid = 1; 620 621 /* The firmware interface is, um, interesting, in that the 622 * actual firmware image on the chip is little endian, thus, 623 * the process of taking that image to the CPU would end up 624 * little endian. However, the firmware interface requires it 625 * to be read a word (two bytes) at a time. 626 * 627 * The net result of this would be that the word (and 628 * doubleword) quantities in the firmware would be correct, but 629 * the bytes would be pairwise reversed. Since most of the 630 * firmware quantities are, in fact, bytes, we do an extra 631 * le16_to_cpu() in the firmware read routine. 632 * 633 * The upshot of all this is that the bytes in the firmware 634 * are in the correct places, but the 16 and 32 bit quantities 635 * are still in little endian format. We fix that up below by 636 * doing extra reverses on them */ 637 nv->isp_parameter = cpu_to_le16(nv->isp_parameter); 638 nv->firmware_feature.w = cpu_to_le16(nv->firmware_feature.w); 639 for(i = 0; i < MAX_BUSES; i++) { 640 nv->bus[i].selection_timeout = cpu_to_le16(nv->bus[i].selection_timeout); 641 nv->bus[i].max_queue_depth = cpu_to_le16(nv->bus[i].max_queue_depth); 642 } 643 dprintk(1, "qla1280_read_nvram: Completed Reading NVRAM\n"); 644 LEAVE("qla1280_read_nvram"); 645 646 return chksum; 647} 648 649/************************************************************************** 650 * qla1280_info 651 * Return a string describing the driver. 652 **************************************************************************/ 653static const char * 654qla1280_info(struct Scsi_Host *host) 655{ 656 static char qla1280_scsi_name_buffer[125]; 657 char *bp; 658 struct scsi_qla_host *ha; 659 struct qla_boards *bdp; 660 661 bp = &qla1280_scsi_name_buffer[0]; 662 ha = (struct scsi_qla_host *)host->hostdata; 663 bdp = &ql1280_board_tbl[ha->devnum]; 664 memset(bp, 0, sizeof(qla1280_scsi_name_buffer)); 665 666 sprintf (bp, 667 "QLogic %s PCI to SCSI Host Adapter\n" 668 " Firmware version: %2d.%02d.%02d, Driver version %s", 669 &bdp->name[0], ha->fwver1, ha->fwver2, ha->fwver3, 670 QLA1280_VERSION); 671 return bp; 672} 673 674/************************************************************************** 675 * qla1280_queuecommand 676 * Queue a command to the controller. 677 * 678 * Note: 679 * The mid-level driver tries to ensures that queuecommand never gets invoked 680 * concurrently with itself or the interrupt handler (although the 681 * interrupt handler may call this routine as part of request-completion 682 * handling). Unfortunately, it sometimes calls the scheduler in interrupt 683 * context which is a big NO! NO!. 684 **************************************************************************/ 685static int qla1280_queuecommand_lck(struct scsi_cmnd *cmd) 686{ 687 struct Scsi_Host *host = cmd->device->host; 688 struct scsi_qla_host *ha = (struct scsi_qla_host *)host->hostdata; 689 struct srb *sp = scsi_cmd_priv(cmd); 690 int status; 691 692 sp->cmd = cmd; 693 sp->flags = 0; 694 sp->wait = NULL; 695 CMD_HANDLE(cmd) = (unsigned char *)NULL; 696 697 qla1280_print_scsi_cmd(5, cmd); 698 699#ifdef QLA_64BIT_PTR 700 /* 701 * Using 64 bit commands if the PCI bridge doesn't support it is a 702 * bit wasteful, however this should really only happen if one's 703 * PCI controller is completely broken, like the BCM1250. For 704 * sane hardware this is not an issue. 705 */ 706 status = qla1280_64bit_start_scsi(ha, sp); 707#else 708 status = qla1280_32bit_start_scsi(ha, sp); 709#endif 710 return status; 711} 712 713static DEF_SCSI_QCMD(qla1280_queuecommand) 714 715enum action { 716 ABORT_COMMAND, 717 DEVICE_RESET, 718 BUS_RESET, 719}; 720 721 722static void qla1280_mailbox_timeout(struct timer_list *t) 723{ 724 struct scsi_qla_host *ha = timer_container_of(ha, t, mailbox_timer); 725 struct device_reg __iomem *reg; 726 reg = ha->iobase; 727 728 ha->mailbox_out[0] = RD_REG_WORD(®->mailbox0); 729 printk(KERN_ERR "scsi(%ld): mailbox timed out, mailbox0 %04x, " 730 "ictrl %04x, istatus %04x\n", ha->host_no, ha->mailbox_out[0], 731 RD_REG_WORD(®->ictrl), RD_REG_WORD(®->istatus)); 732 complete(ha->mailbox_wait); 733} 734 735static int 736_qla1280_wait_for_single_command(struct scsi_qla_host *ha, struct srb *sp, 737 struct completion *wait) 738{ 739 int status = FAILED; 740 struct scsi_cmnd *cmd = sp->cmd; 741 742 spin_unlock_irq(ha->host->host_lock); 743 wait_for_completion_timeout(wait, 4*HZ); 744 spin_lock_irq(ha->host->host_lock); 745 sp->wait = NULL; 746 if(CMD_HANDLE(cmd) == COMPLETED_HANDLE) { 747 status = SUCCESS; 748 scsi_done(cmd); 749 } 750 return status; 751} 752 753static int 754qla1280_wait_for_single_command(struct scsi_qla_host *ha, struct srb *sp) 755{ 756 DECLARE_COMPLETION_ONSTACK(wait); 757 758 sp->wait = &wait; 759 return _qla1280_wait_for_single_command(ha, sp, &wait); 760} 761 762static int 763qla1280_wait_for_pending_commands(struct scsi_qla_host *ha, int bus, int target) 764{ 765 int cnt; 766 int status; 767 struct srb *sp; 768 struct scsi_cmnd *cmd; 769 770 status = SUCCESS; 771 772 /* 773 * Wait for all commands with the designated bus/target 774 * to be completed by the firmware 775 */ 776 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { 777 sp = ha->outstanding_cmds[cnt]; 778 if (sp) { 779 cmd = sp->cmd; 780 781 if (bus >= 0 && SCSI_BUS_32(cmd) != bus) 782 continue; 783 if (target >= 0 && SCSI_TCN_32(cmd) != target) 784 continue; 785 786 status = qla1280_wait_for_single_command(ha, sp); 787 if (status == FAILED) 788 break; 789 } 790 } 791 return status; 792} 793 794/************************************************************************** 795 * qla1280_error_action 796 * The function will attempt to perform a specified error action and 797 * wait for the results (or time out). 798 * 799 * Input: 800 * cmd = Linux SCSI command packet of the command that cause the 801 * bus reset. 802 * action = error action to take (see action_t) 803 * 804 * Returns: 805 * SUCCESS or FAILED 806 * 807 **************************************************************************/ 808static int 809qla1280_error_action(struct scsi_cmnd *cmd, enum action action) 810{ 811 struct scsi_qla_host *ha; 812 int bus, target, lun; 813 struct srb *sp; 814 int i, found; 815 int result=FAILED; 816 int wait_for_bus=-1; 817 int wait_for_target = -1; 818 DECLARE_COMPLETION_ONSTACK(wait); 819 820 ENTER("qla1280_error_action"); 821 822 ha = (struct scsi_qla_host *)(CMD_HOST(cmd)->hostdata); 823 sp = scsi_cmd_priv(cmd); 824 bus = SCSI_BUS_32(cmd); 825 target = SCSI_TCN_32(cmd); 826 lun = SCSI_LUN_32(cmd); 827 828 dprintk(4, "error_action %i, istatus 0x%04x\n", action, 829 RD_REG_WORD(&ha->iobase->istatus)); 830 831 dprintk(4, "host_cmd 0x%04x, ictrl 0x%04x, jiffies %li\n", 832 RD_REG_WORD(&ha->iobase->host_cmd), 833 RD_REG_WORD(&ha->iobase->ictrl), jiffies); 834 835 if (qla1280_verbose) 836 printk(KERN_INFO "scsi(%li): Resetting Cmnd=0x%p, " 837 "Handle=0x%p, action=0x%x\n", 838 ha->host_no, cmd, CMD_HANDLE(cmd), action); 839 840 /* 841 * Check to see if we have the command in the outstanding_cmds[] 842 * array. If not then it must have completed before this error 843 * action was initiated. If the error_action isn't ABORT_COMMAND 844 * then the driver must proceed with the requested action. 845 */ 846 found = -1; 847 for (i = 0; i < MAX_OUTSTANDING_COMMANDS; i++) { 848 if (sp == ha->outstanding_cmds[i]) { 849 found = i; 850 sp->wait = &wait; /* we'll wait for it to complete */ 851 break; 852 } 853 } 854 855 if (found < 0) { /* driver doesn't have command */ 856 result = SUCCESS; 857 if (qla1280_verbose) { 858 printk(KERN_INFO 859 "scsi(%ld:%d:%d:%d): specified command has " 860 "already completed.\n", ha->host_no, bus, 861 target, lun); 862 } 863 } 864 865 switch (action) { 866 867 case ABORT_COMMAND: 868 dprintk(1, "qla1280: RISC aborting command\n"); 869 /* 870 * The abort might fail due to race when the host_lock 871 * is released to issue the abort. As such, we 872 * don't bother to check the return status. 873 */ 874 if (found >= 0) 875 qla1280_abort_command(ha, sp, found); 876 break; 877 878 case DEVICE_RESET: 879 if (qla1280_verbose) 880 printk(KERN_INFO 881 "scsi(%ld:%d:%d:%d): Queueing device reset " 882 "command.\n", ha->host_no, bus, target, lun); 883 if (qla1280_device_reset(ha, bus, target) == 0) { 884 /* issued device reset, set wait conditions */ 885 wait_for_bus = bus; 886 wait_for_target = target; 887 } 888 break; 889 890 case BUS_RESET: 891 if (qla1280_verbose) 892 printk(KERN_INFO "qla1280(%ld:%d): Issued bus " 893 "reset.\n", ha->host_no, bus); 894 if (qla1280_bus_reset(ha, bus) == 0) { 895 /* issued bus reset, set wait conditions */ 896 wait_for_bus = bus; 897 } 898 break; 899 900 default: 901 dprintk(1, "RESET invalid action %d\n", action); 902 return FAILED; 903 } 904 905 /* 906 * At this point, the host_lock has been released and retaken 907 * by the issuance of the mailbox command. 908 * Wait for the command passed in by the mid-layer if it 909 * was found by the driver. It might have been returned 910 * between eh recovery steps, hence the check of the "found" 911 * variable. 912 */ 913 914 if (found >= 0) 915 result = _qla1280_wait_for_single_command(ha, sp, &wait); 916 917 if (action == ABORT_COMMAND && result != SUCCESS) { 918 printk(KERN_WARNING 919 "scsi(%li:%i:%i:%i): " 920 "Unable to abort command!\n", 921 ha->host_no, bus, target, lun); 922 } 923 924 /* 925 * If the command passed in by the mid-layer has been 926 * returned by the board, then wait for any additional 927 * commands which are supposed to complete based upon 928 * the error action. 929 * 930 * All commands are unconditionally returned during a 931 * call to qla1280_abort_isp(), ADAPTER_RESET. No need 932 * to wait for them. 933 */ 934 if (result == SUCCESS && wait_for_bus >= 0) { 935 result = qla1280_wait_for_pending_commands(ha, 936 wait_for_bus, wait_for_target); 937 } 938 939 dprintk(1, "RESET returning %d\n", result); 940 941 LEAVE("qla1280_error_action"); 942 return result; 943} 944 945/************************************************************************** 946 * qla1280_abort 947 * Abort the specified SCSI command(s). 948 **************************************************************************/ 949static int 950qla1280_eh_abort(struct scsi_cmnd * cmd) 951{ 952 int rc; 953 954 spin_lock_irq(cmd->device->host->host_lock); 955 rc = qla1280_error_action(cmd, ABORT_COMMAND); 956 spin_unlock_irq(cmd->device->host->host_lock); 957 958 return rc; 959} 960 961/************************************************************************** 962 * qla1280_device_reset 963 * Reset the specified SCSI device 964 **************************************************************************/ 965static int 966qla1280_eh_device_reset(struct scsi_cmnd *cmd) 967{ 968 int rc; 969 970 spin_lock_irq(cmd->device->host->host_lock); 971 rc = qla1280_error_action(cmd, DEVICE_RESET); 972 spin_unlock_irq(cmd->device->host->host_lock); 973 974 return rc; 975} 976 977/************************************************************************** 978 * qla1280_bus_reset 979 * Reset the specified bus. 980 **************************************************************************/ 981static int 982qla1280_eh_bus_reset(struct scsi_cmnd *cmd) 983{ 984 int rc; 985 986 spin_lock_irq(cmd->device->host->host_lock); 987 rc = qla1280_error_action(cmd, BUS_RESET); 988 spin_unlock_irq(cmd->device->host->host_lock); 989 990 return rc; 991} 992 993/************************************************************************** 994 * qla1280_adapter_reset 995 * Reset the specified adapter (both channels) 996 **************************************************************************/ 997static int 998qla1280_eh_adapter_reset(struct scsi_cmnd *cmd) 999{ 1000 int rc = SUCCESS; 1001 struct Scsi_Host *shost = cmd->device->host; 1002 struct scsi_qla_host *ha = (struct scsi_qla_host *)shost->hostdata; 1003 1004 spin_lock_irq(shost->host_lock); 1005 if (qla1280_verbose) { 1006 printk(KERN_INFO 1007 "scsi(%ld): Issued ADAPTER RESET\n", 1008 ha->host_no); 1009 printk(KERN_INFO "scsi(%ld): I/O processing will " 1010 "continue automatically\n", ha->host_no); 1011 } 1012 ha->flags.reset_active = 1; 1013 1014 if (qla1280_abort_isp(ha) != 0) { /* it's dead */ 1015 rc = FAILED; 1016 } 1017 1018 ha->flags.reset_active = 0; 1019 1020 spin_unlock_irq(shost->host_lock); 1021 1022 return rc; 1023} 1024 1025static int 1026qla1280_biosparam(struct scsi_device *sdev, struct gendisk *unused, 1027 sector_t capacity, int geom[]) 1028{ 1029 int heads, sectors, cylinders; 1030 1031 heads = 64; 1032 sectors = 32; 1033 cylinders = (unsigned long)capacity / (heads * sectors); 1034 if (cylinders > 1024) { 1035 heads = 255; 1036 sectors = 63; 1037 cylinders = (unsigned long)capacity / (heads * sectors); 1038 /* if (cylinders > 1023) 1039 cylinders = 1023; */ 1040 } 1041 1042 geom[0] = heads; 1043 geom[1] = sectors; 1044 geom[2] = cylinders; 1045 1046 return 0; 1047} 1048 1049 1050/* disable risc and host interrupts */ 1051static inline void 1052qla1280_disable_intrs(struct scsi_qla_host *ha) 1053{ 1054 WRT_REG_WORD(&ha->iobase->ictrl, 0); 1055 RD_REG_WORD(&ha->iobase->ictrl); /* PCI Posted Write flush */ 1056} 1057 1058/* enable risc and host interrupts */ 1059static inline void 1060qla1280_enable_intrs(struct scsi_qla_host *ha) 1061{ 1062 WRT_REG_WORD(&ha->iobase->ictrl, (ISP_EN_INT | ISP_EN_RISC)); 1063 RD_REG_WORD(&ha->iobase->ictrl); /* PCI Posted Write flush */ 1064} 1065 1066/************************************************************************** 1067 * qla1280_intr_handler 1068 * Handles the H/W interrupt 1069 **************************************************************************/ 1070static irqreturn_t 1071qla1280_intr_handler(int irq, void *dev_id) 1072{ 1073 struct scsi_qla_host *ha; 1074 struct device_reg __iomem *reg; 1075 u16 data; 1076 int handled = 0; 1077 1078 ENTER_INTR ("qla1280_intr_handler"); 1079 ha = (struct scsi_qla_host *)dev_id; 1080 1081 spin_lock(ha->host->host_lock); 1082 1083 ha->isr_count++; 1084 reg = ha->iobase; 1085 1086 qla1280_disable_intrs(ha); 1087 1088 data = qla1280_debounce_register(®->istatus); 1089 /* Check for pending interrupts. */ 1090 if (data & RISC_INT) { 1091 qla1280_isr(ha, &ha->done_q); 1092 handled = 1; 1093 } 1094 if (!list_empty(&ha->done_q)) 1095 qla1280_done(ha); 1096 1097 spin_unlock(ha->host->host_lock); 1098 1099 qla1280_enable_intrs(ha); 1100 1101 LEAVE_INTR("qla1280_intr_handler"); 1102 return IRQ_RETVAL(handled); 1103} 1104 1105 1106static int 1107qla1280_set_target_parameters(struct scsi_qla_host *ha, int bus, int target) 1108{ 1109 uint8_t mr; 1110 uint16_t mb[MAILBOX_REGISTER_COUNT]; 1111 struct nvram *nv; 1112 int status, lun; 1113 1114 nv = &ha->nvram; 1115 1116 mr = BIT_3 | BIT_2 | BIT_1 | BIT_0; 1117 1118 /* Set Target Parameters. */ 1119 mb[0] = MBC_SET_TARGET_PARAMETERS; 1120 mb[1] = (uint16_t)((bus ? target | BIT_7 : target) << 8); 1121 mb[2] = nv->bus[bus].target[target].parameter.renegotiate_on_error << 8; 1122 mb[2] |= nv->bus[bus].target[target].parameter.stop_queue_on_check << 9; 1123 mb[2] |= nv->bus[bus].target[target].parameter.auto_request_sense << 10; 1124 mb[2] |= nv->bus[bus].target[target].parameter.tag_queuing << 11; 1125 mb[2] |= nv->bus[bus].target[target].parameter.enable_sync << 12; 1126 mb[2] |= nv->bus[bus].target[target].parameter.enable_wide << 13; 1127 mb[2] |= nv->bus[bus].target[target].parameter.parity_checking << 14; 1128 mb[2] |= nv->bus[bus].target[target].parameter.disconnect_allowed << 15; 1129 1130 if (IS_ISP1x160(ha)) { 1131 mb[2] |= nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr << 5; 1132 mb[3] = (nv->bus[bus].target[target].flags.flags1x160.sync_offset << 8); 1133 mb[6] = (nv->bus[bus].target[target].ppr_1x160.flags.ppr_options << 8) | 1134 nv->bus[bus].target[target].ppr_1x160.flags.ppr_bus_width; 1135 mr |= BIT_6; 1136 } else { 1137 mb[3] = (nv->bus[bus].target[target].flags.flags1x80.sync_offset << 8); 1138 } 1139 mb[3] |= nv->bus[bus].target[target].sync_period; 1140 1141 status = qla1280_mailbox_command(ha, mr, mb); 1142 1143 /* Set Device Queue Parameters. */ 1144 for (lun = 0; lun < MAX_LUNS; lun++) { 1145 mb[0] = MBC_SET_DEVICE_QUEUE; 1146 mb[1] = (uint16_t)((bus ? target | BIT_7 : target) << 8); 1147 mb[1] |= lun; 1148 mb[2] = nv->bus[bus].max_queue_depth; 1149 mb[3] = nv->bus[bus].target[target].execution_throttle; 1150 status |= qla1280_mailbox_command(ha, 0x0f, mb); 1151 } 1152 1153 if (status) 1154 printk(KERN_WARNING "scsi(%ld:%i:%i): " 1155 "qla1280_set_target_parameters() failed\n", 1156 ha->host_no, bus, target); 1157 return status; 1158} 1159 1160 1161/************************************************************************** 1162 * qla1280_sdev_configure 1163 * 1164 * Description: 1165 * Determines the queue depth for a given device. There are two ways 1166 * a queue depth can be obtained for a tagged queueing device. One 1167 * way is the default queue depth which is determined by whether 1168 * If it is defined, then it is used 1169 * as the default queue depth. Otherwise, we use either 4 or 8 as the 1170 * default queue depth (dependent on the number of hardware SCBs). 1171 **************************************************************************/ 1172static int 1173qla1280_sdev_configure(struct scsi_device *device, struct queue_limits *lim) 1174{ 1175 struct scsi_qla_host *ha; 1176 int default_depth = 3; 1177 int bus = device->channel; 1178 int target = device->id; 1179 int status = 0; 1180 struct nvram *nv; 1181 unsigned long flags; 1182 1183 ha = (struct scsi_qla_host *)device->host->hostdata; 1184 nv = &ha->nvram; 1185 1186 if (qla1280_check_for_dead_scsi_bus(ha, bus)) 1187 return 1; 1188 1189 if (device->tagged_supported && 1190 (ha->bus_settings[bus].qtag_enables & (BIT_0 << target))) { 1191 scsi_change_queue_depth(device, ha->bus_settings[bus].hiwat); 1192 } else { 1193 scsi_change_queue_depth(device, default_depth); 1194 } 1195 1196 nv->bus[bus].target[target].parameter.enable_sync = device->sdtr; 1197 nv->bus[bus].target[target].parameter.enable_wide = device->wdtr; 1198 nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = device->ppr; 1199 1200 if (driver_setup.no_sync || 1201 (driver_setup.sync_mask && 1202 (~driver_setup.sync_mask & (1 << target)))) 1203 nv->bus[bus].target[target].parameter.enable_sync = 0; 1204 if (driver_setup.no_wide || 1205 (driver_setup.wide_mask && 1206 (~driver_setup.wide_mask & (1 << target)))) 1207 nv->bus[bus].target[target].parameter.enable_wide = 0; 1208 if (IS_ISP1x160(ha)) { 1209 if (driver_setup.no_ppr || 1210 (driver_setup.ppr_mask && 1211 (~driver_setup.ppr_mask & (1 << target)))) 1212 nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 0; 1213 } 1214 1215 spin_lock_irqsave(ha->host->host_lock, flags); 1216 if (nv->bus[bus].target[target].parameter.enable_sync) 1217 status = qla1280_set_target_parameters(ha, bus, target); 1218 qla1280_get_target_parameters(ha, device); 1219 spin_unlock_irqrestore(ha->host->host_lock, flags); 1220 return status; 1221} 1222 1223 1224/* 1225 * qla1280_done 1226 * Process completed commands. 1227 * 1228 * Input: 1229 * ha = adapter block pointer. 1230 */ 1231static void 1232qla1280_done(struct scsi_qla_host *ha) 1233{ 1234 struct srb *sp; 1235 struct list_head *done_q; 1236 int bus, target; 1237 struct scsi_cmnd *cmd; 1238 1239 ENTER("qla1280_done"); 1240 1241 done_q = &ha->done_q; 1242 1243 while (!list_empty(done_q)) { 1244 sp = list_entry(done_q->next, struct srb, list); 1245 1246 list_del(&sp->list); 1247 1248 cmd = sp->cmd; 1249 bus = SCSI_BUS_32(cmd); 1250 target = SCSI_TCN_32(cmd); 1251 1252 switch ((CMD_RESULT(cmd) >> 16)) { 1253 case DID_RESET: 1254 /* Issue marker command. */ 1255 if (!ha->flags.abort_isp_active) 1256 qla1280_marker(ha, bus, target, 0, MK_SYNC_ID); 1257 break; 1258 case DID_ABORT: 1259 sp->flags &= ~SRB_ABORT_PENDING; 1260 sp->flags |= SRB_ABORTED; 1261 break; 1262 default: 1263 break; 1264 } 1265 1266 /* Release memory used for this I/O */ 1267 scsi_dma_unmap(cmd); 1268 1269 /* Call the mid-level driver interrupt handler */ 1270 ha->actthreads--; 1271 1272 if (sp->wait == NULL) 1273 scsi_done(cmd); 1274 else 1275 complete(sp->wait); 1276 } 1277 LEAVE("qla1280_done"); 1278} 1279 1280/* 1281 * Translates a ISP error to a Linux SCSI error 1282 */ 1283static int 1284qla1280_return_status(struct response * sts, struct scsi_cmnd *cp) 1285{ 1286 int host_status = DID_ERROR; 1287 uint16_t comp_status = le16_to_cpu(sts->comp_status); 1288 uint16_t state_flags = le16_to_cpu(sts->state_flags); 1289 uint32_t residual_length = le32_to_cpu(sts->residual_length); 1290 uint16_t scsi_status = le16_to_cpu(sts->scsi_status); 1291#if DEBUG_QLA1280_INTR 1292 static char *reason[] = { 1293 "DID_OK", 1294 "DID_NO_CONNECT", 1295 "DID_BUS_BUSY", 1296 "DID_TIME_OUT", 1297 "DID_BAD_TARGET", 1298 "DID_ABORT", 1299 "DID_PARITY", 1300 "DID_ERROR", 1301 "DID_RESET", 1302 "DID_BAD_INTR" 1303 }; 1304#endif /* DEBUG_QLA1280_INTR */ 1305 1306 ENTER("qla1280_return_status"); 1307 1308#if DEBUG_QLA1280_INTR 1309 /* 1310 dprintk(1, "qla1280_return_status: compl status = 0x%04x\n", 1311 comp_status); 1312 */ 1313#endif 1314 1315 switch (comp_status) { 1316 case CS_COMPLETE: 1317 host_status = DID_OK; 1318 break; 1319 1320 case CS_INCOMPLETE: 1321 if (!(state_flags & SF_GOT_BUS)) 1322 host_status = DID_NO_CONNECT; 1323 else if (!(state_flags & SF_GOT_TARGET)) 1324 host_status = DID_BAD_TARGET; 1325 else if (!(state_flags & SF_SENT_CDB)) 1326 host_status = DID_ERROR; 1327 else if (!(state_flags & SF_TRANSFERRED_DATA)) 1328 host_status = DID_ERROR; 1329 else if (!(state_flags & SF_GOT_STATUS)) 1330 host_status = DID_ERROR; 1331 else if (!(state_flags & SF_GOT_SENSE)) 1332 host_status = DID_ERROR; 1333 break; 1334 1335 case CS_RESET: 1336 host_status = DID_RESET; 1337 break; 1338 1339 case CS_ABORTED: 1340 host_status = DID_ABORT; 1341 break; 1342 1343 case CS_TIMEOUT: 1344 host_status = DID_TIME_OUT; 1345 break; 1346 1347 case CS_DATA_OVERRUN: 1348 dprintk(2, "Data overrun 0x%x\n", residual_length); 1349 dprintk(2, "qla1280_return_status: response packet data\n"); 1350 qla1280_dump_buffer(2, (char *)sts, RESPONSE_ENTRY_SIZE); 1351 host_status = DID_ERROR; 1352 break; 1353 1354 case CS_DATA_UNDERRUN: 1355 if ((scsi_bufflen(cp) - residual_length) < 1356 cp->underflow) { 1357 printk(KERN_WARNING 1358 "scsi: Underflow detected - retrying " 1359 "command.\n"); 1360 host_status = DID_ERROR; 1361 } else { 1362 scsi_set_resid(cp, residual_length); 1363 host_status = DID_OK; 1364 } 1365 break; 1366 1367 default: 1368 host_status = DID_ERROR; 1369 break; 1370 } 1371 1372#if DEBUG_QLA1280_INTR 1373 dprintk(1, "qla1280 ISP status: host status (%s) scsi status %x\n", 1374 reason[host_status], scsi_status); 1375#endif 1376 1377 LEAVE("qla1280_return_status"); 1378 1379 return (scsi_status & 0xff) | (host_status << 16); 1380} 1381 1382/****************************************************************************/ 1383/* QLogic ISP1280 Hardware Support Functions. */ 1384/****************************************************************************/ 1385 1386/* 1387 * qla1280_initialize_adapter 1388 * Initialize board. 1389 * 1390 * Input: 1391 * ha = adapter block pointer. 1392 * 1393 * Returns: 1394 * 0 = success 1395 */ 1396static int 1397qla1280_initialize_adapter(struct scsi_qla_host *ha) 1398{ 1399 struct device_reg __iomem *reg; 1400 int status; 1401 int bus; 1402 unsigned long flags; 1403 1404 ENTER("qla1280_initialize_adapter"); 1405 1406 /* Clear adapter flags. */ 1407 ha->flags.online = 0; 1408 ha->flags.disable_host_adapter = 0; 1409 ha->flags.reset_active = 0; 1410 ha->flags.abort_isp_active = 0; 1411 1412 /* TODO: implement support for the 1040 nvram format */ 1413 if (IS_ISP1040(ha)) 1414 driver_setup.no_nvram = 1; 1415 1416 dprintk(1, "Configure PCI space for adapter...\n"); 1417 1418 reg = ha->iobase; 1419 1420 /* Insure mailbox registers are free. */ 1421 WRT_REG_WORD(®->semaphore, 0); 1422 WRT_REG_WORD(®->host_cmd, HC_CLR_RISC_INT); 1423 WRT_REG_WORD(®->host_cmd, HC_CLR_HOST_INT); 1424 RD_REG_WORD(®->host_cmd); 1425 1426 if (qla1280_read_nvram(ha)) { 1427 dprintk(2, "qla1280_initialize_adapter: failed to read " 1428 "NVRAM\n"); 1429 } 1430 1431 /* 1432 * It's necessary to grab the spin here as qla1280_mailbox_command 1433 * needs to be able to drop the lock unconditionally to wait 1434 * for completion. 1435 */ 1436 spin_lock_irqsave(ha->host->host_lock, flags); 1437 1438 status = qla1280_load_firmware(ha); 1439 if (status) { 1440 printk(KERN_ERR "scsi(%li): initialize: pci probe failed!\n", 1441 ha->host_no); 1442 goto out; 1443 } 1444 1445 /* Setup adapter based on NVRAM parameters. */ 1446 dprintk(1, "scsi(%ld): Configure NVRAM parameters\n", ha->host_no); 1447 qla1280_nvram_config(ha); 1448 1449 if (ha->flags.disable_host_adapter) { 1450 status = 1; 1451 goto out; 1452 } 1453 1454 status = qla1280_init_rings(ha); 1455 if (status) 1456 goto out; 1457 1458 /* Issue SCSI reset, if we can't reset twice then bus is dead */ 1459 for (bus = 0; bus < ha->ports; bus++) { 1460 if (!ha->bus_settings[bus].disable_scsi_reset && 1461 qla1280_bus_reset(ha, bus) && 1462 qla1280_bus_reset(ha, bus)) 1463 ha->bus_settings[bus].scsi_bus_dead = 1; 1464 } 1465 1466 ha->flags.online = 1; 1467 out: 1468 spin_unlock_irqrestore(ha->host->host_lock, flags); 1469 1470 if (status) 1471 dprintk(2, "qla1280_initialize_adapter: **** FAILED ****\n"); 1472 1473 LEAVE("qla1280_initialize_adapter"); 1474 return status; 1475} 1476 1477/* 1478 * qla1280_request_firmware 1479 * Acquire firmware for chip. Retain in memory 1480 * for error recovery. 1481 * 1482 * Input: 1483 * ha = adapter block pointer. 1484 * 1485 * Returns: 1486 * Pointer to firmware image or an error code 1487 * cast to pointer via ERR_PTR(). 1488 */ 1489static const struct firmware * 1490qla1280_request_firmware(struct scsi_qla_host *ha) 1491{ 1492 const struct firmware *fw; 1493 int err; 1494 int index; 1495 char *fwname; 1496 1497 spin_unlock_irq(ha->host->host_lock); 1498 mutex_lock(&qla1280_firmware_mutex); 1499 1500 index = ql1280_board_tbl[ha->devnum].fw_index; 1501 fw = qla1280_fw_tbl[index].fw; 1502 if (fw) 1503 goto out; 1504 1505 fwname = qla1280_fw_tbl[index].fwname; 1506 err = request_firmware(&fw, fwname, &ha->pdev->dev); 1507 1508 if (err) { 1509 printk(KERN_ERR "Failed to load image \"%s\" err %d\n", 1510 fwname, err); 1511 fw = ERR_PTR(err); 1512 goto unlock; 1513 } 1514 if ((fw->size % 2) || (fw->size < 6)) { 1515 printk(KERN_ERR "Invalid firmware length %zu in image \"%s\"\n", 1516 fw->size, fwname); 1517 release_firmware(fw); 1518 fw = ERR_PTR(-EINVAL); 1519 goto unlock; 1520 } 1521 1522 qla1280_fw_tbl[index].fw = fw; 1523 1524 out: 1525 ha->fwver1 = fw->data[0]; 1526 ha->fwver2 = fw->data[1]; 1527 ha->fwver3 = fw->data[2]; 1528 unlock: 1529 mutex_unlock(&qla1280_firmware_mutex); 1530 spin_lock_irq(ha->host->host_lock); 1531 return fw; 1532} 1533 1534/* 1535 * Chip diagnostics 1536 * Test chip for proper operation. 1537 * 1538 * Input: 1539 * ha = adapter block pointer. 1540 * 1541 * Returns: 1542 * 0 = success. 1543 */ 1544static int 1545qla1280_chip_diag(struct scsi_qla_host *ha) 1546{ 1547 uint16_t mb[MAILBOX_REGISTER_COUNT]; 1548 struct device_reg __iomem *reg = ha->iobase; 1549 int status = 0; 1550 int cnt; 1551 uint16_t data; 1552 dprintk(3, "qla1280_chip_diag: testing device at 0x%p \n", ®->id_l); 1553 1554 dprintk(1, "scsi(%ld): Verifying chip\n", ha->host_no); 1555 1556 /* Soft reset chip and wait for it to finish. */ 1557 WRT_REG_WORD(®->ictrl, ISP_RESET); 1558 1559 /* 1560 * We can't do a traditional PCI write flush here by reading 1561 * back the register. The card will not respond once the reset 1562 * is in action and we end up with a machine check exception 1563 * instead. Nothing to do but wait and hope for the best. 1564 * A portable pci_write_flush(pdev) call would be very useful here. 1565 */ 1566 udelay(20); 1567 data = qla1280_debounce_register(®->ictrl); 1568 /* 1569 * Yet another QLogic gem ;-( 1570 */ 1571 for (cnt = 1000000; cnt && data & ISP_RESET; cnt--) { 1572 udelay(5); 1573 data = RD_REG_WORD(®->ictrl); 1574 } 1575 1576 if (!cnt) 1577 goto fail; 1578 1579 /* Reset register cleared by chip reset. */ 1580 dprintk(3, "qla1280_chip_diag: reset register cleared by chip reset\n"); 1581 1582 WRT_REG_WORD(®->cfg_1, 0); 1583 1584 /* Reset RISC and disable BIOS which 1585 allows RISC to execute out of RAM. */ 1586 WRT_REG_WORD(®->host_cmd, HC_RESET_RISC | 1587 HC_RELEASE_RISC | HC_DISABLE_BIOS); 1588 1589 RD_REG_WORD(®->id_l); /* Flush PCI write */ 1590 data = qla1280_debounce_register(®->mailbox0); 1591 1592 /* 1593 * I *LOVE* this code! 1594 */ 1595 for (cnt = 1000000; cnt && data == MBS_BUSY; cnt--) { 1596 udelay(5); 1597 data = RD_REG_WORD(®->mailbox0); 1598 } 1599 1600 if (!cnt) 1601 goto fail; 1602 1603 /* Check product ID of chip */ 1604 dprintk(3, "qla1280_chip_diag: Checking product ID of chip\n"); 1605 1606 if (RD_REG_WORD(®->mailbox1) != PROD_ID_1 || 1607 (RD_REG_WORD(®->mailbox2) != PROD_ID_2 && 1608 RD_REG_WORD(®->mailbox2) != PROD_ID_2a) || 1609 RD_REG_WORD(®->mailbox3) != PROD_ID_3 || 1610 RD_REG_WORD(®->mailbox4) != PROD_ID_4) { 1611 printk(KERN_INFO "qla1280: Wrong product ID = " 1612 "0x%x,0x%x,0x%x,0x%x\n", 1613 RD_REG_WORD(®->mailbox1), 1614 RD_REG_WORD(®->mailbox2), 1615 RD_REG_WORD(®->mailbox3), 1616 RD_REG_WORD(®->mailbox4)); 1617 goto fail; 1618 } 1619 1620 /* 1621 * Enable ints early!!! 1622 */ 1623 qla1280_enable_intrs(ha); 1624 1625 dprintk(1, "qla1280_chip_diag: Checking mailboxes of chip\n"); 1626 /* Wrap Incoming Mailboxes Test. */ 1627 mb[0] = MBC_MAILBOX_REGISTER_TEST; 1628 mb[1] = 0xAAAA; 1629 mb[2] = 0x5555; 1630 mb[3] = 0xAA55; 1631 mb[4] = 0x55AA; 1632 mb[5] = 0xA5A5; 1633 mb[6] = 0x5A5A; 1634 mb[7] = 0x2525; 1635 1636 status = qla1280_mailbox_command(ha, 0xff, mb); 1637 if (status) 1638 goto fail; 1639 1640 if (mb[1] != 0xAAAA || mb[2] != 0x5555 || mb[3] != 0xAA55 || 1641 mb[4] != 0x55AA || mb[5] != 0xA5A5 || mb[6] != 0x5A5A || 1642 mb[7] != 0x2525) { 1643 printk(KERN_INFO "qla1280: Failed mbox check\n"); 1644 goto fail; 1645 } 1646 1647 dprintk(3, "qla1280_chip_diag: exiting normally\n"); 1648 return 0; 1649 fail: 1650 dprintk(2, "qla1280_chip_diag: **** FAILED ****\n"); 1651 return status; 1652} 1653 1654static int 1655qla1280_load_firmware_pio(struct scsi_qla_host *ha) 1656{ 1657 /* enter with host_lock acquired */ 1658 1659 const struct firmware *fw; 1660 const __le16 *fw_data; 1661 uint16_t risc_address, risc_code_size; 1662 uint16_t mb[MAILBOX_REGISTER_COUNT], i; 1663 int err = 0; 1664 1665 fw = qla1280_request_firmware(ha); 1666 if (IS_ERR(fw)) 1667 return PTR_ERR(fw); 1668 1669 fw_data = (const __le16 *)&fw->data[0]; 1670 ha->fwstart = __le16_to_cpu(fw_data[2]); 1671 1672 /* Load RISC code. */ 1673 risc_address = ha->fwstart; 1674 fw_data = (const __le16 *)&fw->data[6]; 1675 risc_code_size = (fw->size - 6) / 2; 1676 1677 for (i = 0; i < risc_code_size; i++) { 1678 mb[0] = MBC_WRITE_RAM_WORD; 1679 mb[1] = risc_address + i; 1680 mb[2] = __le16_to_cpu(fw_data[i]); 1681 1682 err = qla1280_mailbox_command(ha, BIT_0 | BIT_1 | BIT_2, mb); 1683 if (err) { 1684 printk(KERN_ERR "scsi(%li): Failed to load firmware\n", 1685 ha->host_no); 1686 break; 1687 } 1688 } 1689 1690 return err; 1691} 1692 1693#ifdef QLA_64BIT_PTR 1694#define LOAD_CMD MBC_LOAD_RAM_A64_ROM 1695#define DUMP_CMD MBC_DUMP_RAM_A64_ROM 1696#define CMD_ARGS (BIT_7 | BIT_6 | BIT_4 | BIT_3 | BIT_2 | BIT_1 | BIT_0) 1697#else 1698#define LOAD_CMD MBC_LOAD_RAM 1699#define DUMP_CMD MBC_DUMP_RAM 1700#define CMD_ARGS (BIT_4 | BIT_3 | BIT_2 | BIT_1 | BIT_0) 1701#endif 1702 1703#define DUMP_IT_BACK 0 /* for debug of RISC loading */ 1704static int 1705qla1280_load_firmware_dma(struct scsi_qla_host *ha) 1706{ 1707 /* enter with host_lock acquired */ 1708 const struct firmware *fw; 1709 const __le16 *fw_data; 1710 uint16_t risc_address, risc_code_size; 1711 uint16_t mb[MAILBOX_REGISTER_COUNT], cnt; 1712 int err = 0, num, i; 1713#if DUMP_IT_BACK 1714 uint8_t *sp, *tbuf; 1715 dma_addr_t p_tbuf; 1716 1717 tbuf = dma_alloc_coherent(&ha->pdev->dev, 8000, &p_tbuf, GFP_KERNEL); 1718 if (!tbuf) 1719 return -ENOMEM; 1720#endif 1721 1722 fw = qla1280_request_firmware(ha); 1723 if (IS_ERR(fw)) 1724 return PTR_ERR(fw); 1725 1726 fw_data = (const __le16 *)&fw->data[0]; 1727 ha->fwstart = __le16_to_cpu(fw_data[2]); 1728 1729 /* Load RISC code. */ 1730 risc_address = ha->fwstart; 1731 fw_data = (const __le16 *)&fw->data[6]; 1732 risc_code_size = (fw->size - 6) / 2; 1733 1734 dprintk(1, "%s: DMA RISC code (%i) words\n", 1735 __func__, risc_code_size); 1736 1737 num = 0; 1738 while (risc_code_size > 0) { 1739 int warn __attribute__((unused)) = 0; 1740 1741 cnt = 2000 >> 1; 1742 1743 if (cnt > risc_code_size) 1744 cnt = risc_code_size; 1745 1746 dprintk(2, "qla1280_setup_chip: loading risc @ =(0x%p)," 1747 "%d,%d(0x%x)\n", 1748 fw_data, cnt, num, risc_address); 1749 for(i = 0; i < cnt; i++) 1750 ((__le16 *)ha->request_ring)[i] = fw_data[i]; 1751 1752 mb[0] = LOAD_CMD; 1753 mb[1] = risc_address; 1754 mb[4] = cnt; 1755 mb[3] = ha->request_dma & 0xffff; 1756 mb[2] = (ha->request_dma >> 16) & 0xffff; 1757 mb[7] = upper_32_bits(ha->request_dma) & 0xffff; 1758 mb[6] = upper_32_bits(ha->request_dma) >> 16; 1759 dprintk(2, "%s: op=%d 0x%p = 0x%4x,0x%4x,0x%4x,0x%4x\n", 1760 __func__, mb[0], 1761 (void *)(long)ha->request_dma, 1762 mb[6], mb[7], mb[2], mb[3]); 1763 err = qla1280_mailbox_command(ha, CMD_ARGS, mb); 1764 if (err) { 1765 printk(KERN_ERR "scsi(%li): Failed to load partial " 1766 "segment of f\n", ha->host_no); 1767 goto out; 1768 } 1769 1770#if DUMP_IT_BACK 1771 mb[0] = DUMP_CMD; 1772 mb[1] = risc_address; 1773 mb[4] = cnt; 1774 mb[3] = p_tbuf & 0xffff; 1775 mb[2] = (p_tbuf >> 16) & 0xffff; 1776 mb[7] = upper_32_bits(p_tbuf) & 0xffff; 1777 mb[6] = upper_32_bits(p_tbuf) >> 16; 1778 1779 err = qla1280_mailbox_command(ha, CMD_ARGS, mb); 1780 if (err) { 1781 printk(KERN_ERR 1782 "Failed to dump partial segment of f/w\n"); 1783 goto out; 1784 } 1785 sp = (uint8_t *)ha->request_ring; 1786 for (i = 0; i < (cnt << 1); i++) { 1787 if (tbuf[i] != sp[i] && warn++ < 10) { 1788 printk(KERN_ERR "%s: FW compare error @ " 1789 "byte(0x%x) loop#=%x\n", 1790 __func__, i, num); 1791 printk(KERN_ERR "%s: FWbyte=%x " 1792 "FWfromChip=%x\n", 1793 __func__, sp[i], tbuf[i]); 1794 /*break; */ 1795 } 1796 } 1797#endif 1798 risc_address += cnt; 1799 risc_code_size = risc_code_size - cnt; 1800 fw_data = fw_data + cnt; 1801 num++; 1802 } 1803 1804 out: 1805#if DUMP_IT_BACK 1806 dma_free_coherent(&ha->pdev->dev, 8000, tbuf, p_tbuf); 1807#endif 1808 return err; 1809} 1810 1811static int 1812qla1280_start_firmware(struct scsi_qla_host *ha) 1813{ 1814 uint16_t mb[MAILBOX_REGISTER_COUNT]; 1815 int err; 1816 1817 dprintk(1, "%s: Verifying checksum of loaded RISC code.\n", 1818 __func__); 1819 1820 /* Verify checksum of loaded RISC code. */ 1821 mb[0] = MBC_VERIFY_CHECKSUM; 1822 /* mb[1] = ql12_risc_code_addr01; */ 1823 mb[1] = ha->fwstart; 1824 err = qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb); 1825 if (err) { 1826 printk(KERN_ERR "scsi(%li): RISC checksum failed.\n", ha->host_no); 1827 return err; 1828 } 1829 1830 /* Start firmware execution. */ 1831 dprintk(1, "%s: start firmware running.\n", __func__); 1832 mb[0] = MBC_EXECUTE_FIRMWARE; 1833 mb[1] = ha->fwstart; 1834 err = qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]); 1835 if (err) { 1836 printk(KERN_ERR "scsi(%li): Failed to start firmware\n", 1837 ha->host_no); 1838 } 1839 1840 return err; 1841} 1842 1843static int 1844qla1280_load_firmware(struct scsi_qla_host *ha) 1845{ 1846 /* enter with host_lock taken */ 1847 int err; 1848 1849 err = qla1280_chip_diag(ha); 1850 if (err) 1851 goto out; 1852 if (IS_ISP1040(ha)) 1853 err = qla1280_load_firmware_pio(ha); 1854 else 1855 err = qla1280_load_firmware_dma(ha); 1856 if (err) 1857 goto out; 1858 err = qla1280_start_firmware(ha); 1859 out: 1860 return err; 1861} 1862 1863/* 1864 * Initialize rings 1865 * 1866 * Input: 1867 * ha = adapter block pointer. 1868 * ha->request_ring = request ring virtual address 1869 * ha->response_ring = response ring virtual address 1870 * ha->request_dma = request ring physical address 1871 * ha->response_dma = response ring physical address 1872 * 1873 * Returns: 1874 * 0 = success. 1875 */ 1876static int 1877qla1280_init_rings(struct scsi_qla_host *ha) 1878{ 1879 uint16_t mb[MAILBOX_REGISTER_COUNT]; 1880 int status = 0; 1881 1882 ENTER("qla1280_init_rings"); 1883 1884 /* Clear outstanding commands array. */ 1885 memset(ha->outstanding_cmds, 0, 1886 sizeof(struct srb *) * MAX_OUTSTANDING_COMMANDS); 1887 1888 /* Initialize request queue. */ 1889 ha->request_ring_ptr = ha->request_ring; 1890 ha->req_ring_index = 0; 1891 ha->req_q_cnt = REQUEST_ENTRY_CNT; 1892 /* mb[0] = MBC_INIT_REQUEST_QUEUE; */ 1893 mb[0] = MBC_INIT_REQUEST_QUEUE_A64; 1894 mb[1] = REQUEST_ENTRY_CNT; 1895 mb[3] = ha->request_dma & 0xffff; 1896 mb[2] = (ha->request_dma >> 16) & 0xffff; 1897 mb[4] = 0; 1898 mb[7] = upper_32_bits(ha->request_dma) & 0xffff; 1899 mb[6] = upper_32_bits(ha->request_dma) >> 16; 1900 if (!(status = qla1280_mailbox_command(ha, BIT_7 | BIT_6 | BIT_4 | 1901 BIT_3 | BIT_2 | BIT_1 | BIT_0, 1902 &mb[0]))) { 1903 /* Initialize response queue. */ 1904 ha->response_ring_ptr = ha->response_ring; 1905 ha->rsp_ring_index = 0; 1906 /* mb[0] = MBC_INIT_RESPONSE_QUEUE; */ 1907 mb[0] = MBC_INIT_RESPONSE_QUEUE_A64; 1908 mb[1] = RESPONSE_ENTRY_CNT; 1909 mb[3] = ha->response_dma & 0xffff; 1910 mb[2] = (ha->response_dma >> 16) & 0xffff; 1911 mb[5] = 0; 1912 mb[7] = upper_32_bits(ha->response_dma) & 0xffff; 1913 mb[6] = upper_32_bits(ha->response_dma) >> 16; 1914 status = qla1280_mailbox_command(ha, BIT_7 | BIT_6 | BIT_5 | 1915 BIT_3 | BIT_2 | BIT_1 | BIT_0, 1916 &mb[0]); 1917 } 1918 1919 if (status) 1920 dprintk(2, "qla1280_init_rings: **** FAILED ****\n"); 1921 1922 LEAVE("qla1280_init_rings"); 1923 return status; 1924} 1925 1926static void 1927qla1280_print_settings(struct nvram *nv) 1928{ 1929 dprintk(1, "qla1280 : initiator scsi id bus[0]=%d\n", 1930 nv->bus[0].config_1.initiator_id); 1931 dprintk(1, "qla1280 : initiator scsi id bus[1]=%d\n", 1932 nv->bus[1].config_1.initiator_id); 1933 1934 dprintk(1, "qla1280 : bus reset delay[0]=%d\n", 1935 nv->bus[0].bus_reset_delay); 1936 dprintk(1, "qla1280 : bus reset delay[1]=%d\n", 1937 nv->bus[1].bus_reset_delay); 1938 1939 dprintk(1, "qla1280 : retry count[0]=%d\n", nv->bus[0].retry_count); 1940 dprintk(1, "qla1280 : retry delay[0]=%d\n", nv->bus[0].retry_delay); 1941 dprintk(1, "qla1280 : retry count[1]=%d\n", nv->bus[1].retry_count); 1942 dprintk(1, "qla1280 : retry delay[1]=%d\n", nv->bus[1].retry_delay); 1943 1944 dprintk(1, "qla1280 : async data setup time[0]=%d\n", 1945 nv->bus[0].config_2.async_data_setup_time); 1946 dprintk(1, "qla1280 : async data setup time[1]=%d\n", 1947 nv->bus[1].config_2.async_data_setup_time); 1948 1949 dprintk(1, "qla1280 : req/ack active negation[0]=%d\n", 1950 nv->bus[0].config_2.req_ack_active_negation); 1951 dprintk(1, "qla1280 : req/ack active negation[1]=%d\n", 1952 nv->bus[1].config_2.req_ack_active_negation); 1953 1954 dprintk(1, "qla1280 : data line active negation[0]=%d\n", 1955 nv->bus[0].config_2.data_line_active_negation); 1956 dprintk(1, "qla1280 : data line active negation[1]=%d\n", 1957 nv->bus[1].config_2.data_line_active_negation); 1958 1959 dprintk(1, "qla1280 : disable loading risc code=%d\n", 1960 nv->cntr_flags_1.disable_loading_risc_code); 1961 1962 dprintk(1, "qla1280 : enable 64bit addressing=%d\n", 1963 nv->cntr_flags_1.enable_64bit_addressing); 1964 1965 dprintk(1, "qla1280 : selection timeout limit[0]=%d\n", 1966 nv->bus[0].selection_timeout); 1967 dprintk(1, "qla1280 : selection timeout limit[1]=%d\n", 1968 nv->bus[1].selection_timeout); 1969 1970 dprintk(1, "qla1280 : max queue depth[0]=%d\n", 1971 nv->bus[0].max_queue_depth); 1972 dprintk(1, "qla1280 : max queue depth[1]=%d\n", 1973 nv->bus[1].max_queue_depth); 1974} 1975 1976static void 1977qla1280_set_target_defaults(struct scsi_qla_host *ha, int bus, int target) 1978{ 1979 struct nvram *nv = &ha->nvram; 1980 1981 nv->bus[bus].target[target].parameter.renegotiate_on_error = 1; 1982 nv->bus[bus].target[target].parameter.auto_request_sense = 1; 1983 nv->bus[bus].target[target].parameter.tag_queuing = 1; 1984 nv->bus[bus].target[target].parameter.enable_sync = 1; 1985#if 1 /* Some SCSI Processors do not seem to like this */ 1986 nv->bus[bus].target[target].parameter.enable_wide = 1; 1987#endif 1988 nv->bus[bus].target[target].execution_throttle = 1989 nv->bus[bus].max_queue_depth - 1; 1990 nv->bus[bus].target[target].parameter.parity_checking = 1; 1991 nv->bus[bus].target[target].parameter.disconnect_allowed = 1; 1992 1993 if (IS_ISP1x160(ha)) { 1994 nv->bus[bus].target[target].flags.flags1x160.device_enable = 1; 1995 nv->bus[bus].target[target].flags.flags1x160.sync_offset = 0x0e; 1996 nv->bus[bus].target[target].sync_period = 9; 1997 nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 1; 1998 nv->bus[bus].target[target].ppr_1x160.flags.ppr_options = 2; 1999 nv->bus[bus].target[target].ppr_1x160.flags.ppr_bus_width = 1; 2000 } else { 2001 nv->bus[bus].target[target].flags.flags1x80.device_enable = 1; 2002 nv->bus[bus].target[target].flags.flags1x80.sync_offset = 12; 2003 nv->bus[bus].target[target].sync_period = 10; 2004 } 2005} 2006 2007static void 2008qla1280_set_defaults(struct scsi_qla_host *ha) 2009{ 2010 struct nvram *nv = &ha->nvram; 2011 int bus, target; 2012 2013 dprintk(1, "Using defaults for NVRAM: \n"); 2014 memset(nv, 0, sizeof(struct nvram)); 2015 2016 /* nv->cntr_flags_1.disable_loading_risc_code = 1; */ 2017 nv->firmware_feature.f.enable_fast_posting = 1; 2018 nv->firmware_feature.f.disable_synchronous_backoff = 1; 2019 nv->termination.scsi_bus_0_control = 3; 2020 nv->termination.scsi_bus_1_control = 3; 2021 nv->termination.auto_term_support = 1; 2022 2023 /* 2024 * Set default FIFO magic - What appropriate values would be here 2025 * is unknown. This is what I have found testing with 12160s. 2026 * 2027 * Now, I would love the magic decoder ring for this one, the 2028 * header file provided by QLogic seems to be bogus or incomplete 2029 * at best. 2030 */ 2031 nv->isp_config.burst_enable = 1; 2032 if (IS_ISP1040(ha)) 2033 nv->isp_config.fifo_threshold |= 3; 2034 else 2035 nv->isp_config.fifo_threshold |= 4; 2036 2037 if (IS_ISP1x160(ha)) 2038 nv->isp_parameter = 0x01; /* fast memory enable */ 2039 2040 for (bus = 0; bus < MAX_BUSES; bus++) { 2041 nv->bus[bus].config_1.initiator_id = 7; 2042 nv->bus[bus].config_2.req_ack_active_negation = 1; 2043 nv->bus[bus].config_2.data_line_active_negation = 1; 2044 nv->bus[bus].selection_timeout = 250; 2045 nv->bus[bus].max_queue_depth = 32; 2046 2047 if (IS_ISP1040(ha)) { 2048 nv->bus[bus].bus_reset_delay = 3; 2049 nv->bus[bus].config_2.async_data_setup_time = 6; 2050 nv->bus[bus].retry_delay = 1; 2051 } else { 2052 nv->bus[bus].bus_reset_delay = 5; 2053 nv->bus[bus].config_2.async_data_setup_time = 8; 2054 } 2055 2056 for (target = 0; target < MAX_TARGETS; target++) 2057 qla1280_set_target_defaults(ha, bus, target); 2058 } 2059} 2060 2061static int 2062qla1280_config_target(struct scsi_qla_host *ha, int bus, int target) 2063{ 2064 struct nvram *nv = &ha->nvram; 2065 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2066 int status, lun; 2067 uint16_t flag; 2068 2069 /* Set Target Parameters. */ 2070 mb[0] = MBC_SET_TARGET_PARAMETERS; 2071 mb[1] = (uint16_t)((bus ? target | BIT_7 : target) << 8); 2072 2073 /* 2074 * Do not enable sync and ppr for the initial INQUIRY run. We 2075 * enable this later if we determine the target actually 2076 * supports it. 2077 */ 2078 mb[2] = (TP_RENEGOTIATE | TP_AUTO_REQUEST_SENSE | TP_TAGGED_QUEUE 2079 | TP_WIDE | TP_PARITY | TP_DISCONNECT); 2080 2081 if (IS_ISP1x160(ha)) 2082 mb[3] = nv->bus[bus].target[target].flags.flags1x160.sync_offset << 8; 2083 else 2084 mb[3] = nv->bus[bus].target[target].flags.flags1x80.sync_offset << 8; 2085 mb[3] |= nv->bus[bus].target[target].sync_period; 2086 status = qla1280_mailbox_command(ha, 0x0f, mb); 2087 2088 /* Save Tag queuing enable flag. */ 2089 flag = (BIT_0 << target); 2090 if (nv->bus[bus].target[target].parameter.tag_queuing) 2091 ha->bus_settings[bus].qtag_enables |= flag; 2092 2093 /* Save Device enable flag. */ 2094 if (IS_ISP1x160(ha)) { 2095 if (nv->bus[bus].target[target].flags.flags1x160.device_enable) 2096 ha->bus_settings[bus].device_enables |= flag; 2097 ha->bus_settings[bus].lun_disables |= 0; 2098 } else { 2099 if (nv->bus[bus].target[target].flags.flags1x80.device_enable) 2100 ha->bus_settings[bus].device_enables |= flag; 2101 /* Save LUN disable flag. */ 2102 if (nv->bus[bus].target[target].flags.flags1x80.lun_disable) 2103 ha->bus_settings[bus].lun_disables |= flag; 2104 } 2105 2106 /* Set Device Queue Parameters. */ 2107 for (lun = 0; lun < MAX_LUNS; lun++) { 2108 mb[0] = MBC_SET_DEVICE_QUEUE; 2109 mb[1] = (uint16_t)((bus ? target | BIT_7 : target) << 8); 2110 mb[1] |= lun; 2111 mb[2] = nv->bus[bus].max_queue_depth; 2112 mb[3] = nv->bus[bus].target[target].execution_throttle; 2113 status |= qla1280_mailbox_command(ha, 0x0f, mb); 2114 } 2115 2116 return status; 2117} 2118 2119static int 2120qla1280_config_bus(struct scsi_qla_host *ha, int bus) 2121{ 2122 struct nvram *nv = &ha->nvram; 2123 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2124 int target, status; 2125 2126 /* SCSI Reset Disable. */ 2127 ha->bus_settings[bus].disable_scsi_reset = 2128 nv->bus[bus].config_1.scsi_reset_disable; 2129 2130 /* Initiator ID. */ 2131 ha->bus_settings[bus].id = nv->bus[bus].config_1.initiator_id; 2132 mb[0] = MBC_SET_INITIATOR_ID; 2133 mb[1] = bus ? ha->bus_settings[bus].id | BIT_7 : 2134 ha->bus_settings[bus].id; 2135 status = qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]); 2136 2137 /* Reset Delay. */ 2138 ha->bus_settings[bus].bus_reset_delay = 2139 nv->bus[bus].bus_reset_delay; 2140 2141 /* Command queue depth per device. */ 2142 ha->bus_settings[bus].hiwat = nv->bus[bus].max_queue_depth - 1; 2143 2144 /* Set target parameters. */ 2145 for (target = 0; target < MAX_TARGETS; target++) 2146 status |= qla1280_config_target(ha, bus, target); 2147 2148 return status; 2149} 2150 2151static int 2152qla1280_nvram_config(struct scsi_qla_host *ha) 2153{ 2154 struct device_reg __iomem *reg = ha->iobase; 2155 struct nvram *nv = &ha->nvram; 2156 int bus, target, status = 0; 2157 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2158 2159 ENTER("qla1280_nvram_config"); 2160 2161 if (ha->nvram_valid) { 2162 /* Always force AUTO sense for LINUX SCSI */ 2163 for (bus = 0; bus < MAX_BUSES; bus++) 2164 for (target = 0; target < MAX_TARGETS; target++) { 2165 nv->bus[bus].target[target].parameter. 2166 auto_request_sense = 1; 2167 } 2168 } else { 2169 qla1280_set_defaults(ha); 2170 } 2171 2172 qla1280_print_settings(nv); 2173 2174 /* Disable RISC load of firmware. */ 2175 ha->flags.disable_risc_code_load = 2176 nv->cntr_flags_1.disable_loading_risc_code; 2177 2178 if (IS_ISP1040(ha)) { 2179 uint16_t hwrev, cfg1, cdma_conf; 2180 2181 hwrev = RD_REG_WORD(®->cfg_0) & ISP_CFG0_HWMSK; 2182 2183 cfg1 = RD_REG_WORD(®->cfg_1) & ~(BIT_4 | BIT_5 | BIT_6); 2184 cdma_conf = RD_REG_WORD(®->cdma_cfg); 2185 2186 /* Busted fifo, says mjacob. */ 2187 if (hwrev != ISP_CFG0_1040A) 2188 cfg1 |= nv->isp_config.fifo_threshold << 4; 2189 2190 cfg1 |= nv->isp_config.burst_enable << 2; 2191 WRT_REG_WORD(®->cfg_1, cfg1); 2192 2193 WRT_REG_WORD(®->cdma_cfg, cdma_conf | CDMA_CONF_BENAB); 2194 WRT_REG_WORD(®->ddma_cfg, cdma_conf | DDMA_CONF_BENAB); 2195 } else { 2196 uint16_t cfg1, term; 2197 2198 /* Set ISP hardware DMA burst */ 2199 cfg1 = nv->isp_config.fifo_threshold << 4; 2200 cfg1 |= nv->isp_config.burst_enable << 2; 2201 /* Enable DMA arbitration on dual channel controllers */ 2202 if (ha->ports > 1) 2203 cfg1 |= BIT_13; 2204 WRT_REG_WORD(®->cfg_1, cfg1); 2205 2206 /* Set SCSI termination. */ 2207 WRT_REG_WORD(®->gpio_enable, 2208 BIT_7 | BIT_3 | BIT_2 | BIT_1 | BIT_0); 2209 term = nv->termination.scsi_bus_1_control; 2210 term |= nv->termination.scsi_bus_0_control << 2; 2211 term |= nv->termination.auto_term_support << 7; 2212 RD_REG_WORD(®->id_l); /* Flush PCI write */ 2213 WRT_REG_WORD(®->gpio_data, term); 2214 } 2215 RD_REG_WORD(®->id_l); /* Flush PCI write */ 2216 2217 /* ISP parameter word. */ 2218 mb[0] = MBC_SET_SYSTEM_PARAMETER; 2219 mb[1] = nv->isp_parameter; 2220 status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]); 2221 2222 if (IS_ISP1x40(ha)) { 2223 /* clock rate - for qla1240 and older, only */ 2224 mb[0] = MBC_SET_CLOCK_RATE; 2225 mb[1] = 40; 2226 status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb); 2227 } 2228 2229 /* Firmware feature word. */ 2230 mb[0] = MBC_SET_FIRMWARE_FEATURES; 2231 mb[1] = nv->firmware_feature.f.enable_fast_posting; 2232 mb[1] |= nv->firmware_feature.f.report_lvd_bus_transition << 1; 2233 mb[1] |= nv->firmware_feature.f.disable_synchronous_backoff << 5; 2234 status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb); 2235 2236 /* Retry count and delay. */ 2237 mb[0] = MBC_SET_RETRY_COUNT; 2238 mb[1] = nv->bus[0].retry_count; 2239 mb[2] = nv->bus[0].retry_delay; 2240 mb[6] = nv->bus[1].retry_count; 2241 mb[7] = nv->bus[1].retry_delay; 2242 status |= qla1280_mailbox_command(ha, BIT_7 | BIT_6 | BIT_2 | 2243 BIT_1 | BIT_0, &mb[0]); 2244 2245 /* ASYNC data setup time. */ 2246 mb[0] = MBC_SET_ASYNC_DATA_SETUP; 2247 mb[1] = nv->bus[0].config_2.async_data_setup_time; 2248 mb[2] = nv->bus[1].config_2.async_data_setup_time; 2249 status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]); 2250 2251 /* Active negation states. */ 2252 mb[0] = MBC_SET_ACTIVE_NEGATION; 2253 mb[1] = 0; 2254 if (nv->bus[0].config_2.req_ack_active_negation) 2255 mb[1] |= BIT_5; 2256 if (nv->bus[0].config_2.data_line_active_negation) 2257 mb[1] |= BIT_4; 2258 mb[2] = 0; 2259 if (nv->bus[1].config_2.req_ack_active_negation) 2260 mb[2] |= BIT_5; 2261 if (nv->bus[1].config_2.data_line_active_negation) 2262 mb[2] |= BIT_4; 2263 status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, mb); 2264 2265 mb[0] = MBC_SET_DATA_OVERRUN_RECOVERY; 2266 mb[1] = 2; /* Reset SCSI bus and return all outstanding IO */ 2267 status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb); 2268 2269 /* thingy */ 2270 mb[0] = MBC_SET_PCI_CONTROL; 2271 mb[1] = BIT_1; /* Data DMA Channel Burst Enable */ 2272 mb[2] = BIT_1; /* Command DMA Channel Burst Enable */ 2273 status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, mb); 2274 2275 mb[0] = MBC_SET_TAG_AGE_LIMIT; 2276 mb[1] = 8; 2277 status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb); 2278 2279 /* Selection timeout. */ 2280 mb[0] = MBC_SET_SELECTION_TIMEOUT; 2281 mb[1] = nv->bus[0].selection_timeout; 2282 mb[2] = nv->bus[1].selection_timeout; 2283 status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, mb); 2284 2285 for (bus = 0; bus < ha->ports; bus++) 2286 status |= qla1280_config_bus(ha, bus); 2287 2288 if (status) 2289 dprintk(2, "qla1280_nvram_config: **** FAILED ****\n"); 2290 2291 LEAVE("qla1280_nvram_config"); 2292 return status; 2293} 2294 2295/* 2296 * Get NVRAM data word 2297 * Calculates word position in NVRAM and calls request routine to 2298 * get the word from NVRAM. 2299 * 2300 * Input: 2301 * ha = adapter block pointer. 2302 * address = NVRAM word address. 2303 * 2304 * Returns: 2305 * data word. 2306 */ 2307static uint16_t 2308qla1280_get_nvram_word(struct scsi_qla_host *ha, uint32_t address) 2309{ 2310 uint32_t nv_cmd; 2311 uint16_t data; 2312 2313 nv_cmd = address << 16; 2314 nv_cmd |= NV_READ_OP; 2315 2316 data = le16_to_cpu(qla1280_nvram_request(ha, nv_cmd)); 2317 2318 dprintk(8, "qla1280_get_nvram_word: exiting normally NVRAM data = " 2319 "0x%x", data); 2320 2321 return data; 2322} 2323 2324/* 2325 * NVRAM request 2326 * Sends read command to NVRAM and gets data from NVRAM. 2327 * 2328 * Input: 2329 * ha = adapter block pointer. 2330 * nv_cmd = Bit 26 = start bit 2331 * Bit 25, 24 = opcode 2332 * Bit 23-16 = address 2333 * Bit 15-0 = write data 2334 * 2335 * Returns: 2336 * data word. 2337 */ 2338static uint16_t 2339qla1280_nvram_request(struct scsi_qla_host *ha, uint32_t nv_cmd) 2340{ 2341 struct device_reg __iomem *reg = ha->iobase; 2342 int cnt; 2343 uint16_t data = 0; 2344 uint16_t reg_data; 2345 2346 /* Send command to NVRAM. */ 2347 2348 nv_cmd <<= 5; 2349 for (cnt = 0; cnt < 11; cnt++) { 2350 if (nv_cmd & BIT_31) 2351 qla1280_nv_write(ha, NV_DATA_OUT); 2352 else 2353 qla1280_nv_write(ha, 0); 2354 nv_cmd <<= 1; 2355 } 2356 2357 /* Read data from NVRAM. */ 2358 2359 for (cnt = 0; cnt < 16; cnt++) { 2360 WRT_REG_WORD(®->nvram, (NV_SELECT | NV_CLOCK)); 2361 RD_REG_WORD(®->id_l); /* Flush PCI write */ 2362 NVRAM_DELAY(); 2363 data <<= 1; 2364 reg_data = RD_REG_WORD(®->nvram); 2365 if (reg_data & NV_DATA_IN) 2366 data |= BIT_0; 2367 WRT_REG_WORD(®->nvram, NV_SELECT); 2368 RD_REG_WORD(®->id_l); /* Flush PCI write */ 2369 NVRAM_DELAY(); 2370 } 2371 2372 /* Deselect chip. */ 2373 2374 WRT_REG_WORD(®->nvram, NV_DESELECT); 2375 RD_REG_WORD(®->id_l); /* Flush PCI write */ 2376 NVRAM_DELAY(); 2377 2378 return data; 2379} 2380 2381static void 2382qla1280_nv_write(struct scsi_qla_host *ha, uint16_t data) 2383{ 2384 struct device_reg __iomem *reg = ha->iobase; 2385 2386 WRT_REG_WORD(®->nvram, data | NV_SELECT); 2387 RD_REG_WORD(®->id_l); /* Flush PCI write */ 2388 NVRAM_DELAY(); 2389 WRT_REG_WORD(®->nvram, data | NV_SELECT | NV_CLOCK); 2390 RD_REG_WORD(®->id_l); /* Flush PCI write */ 2391 NVRAM_DELAY(); 2392 WRT_REG_WORD(®->nvram, data | NV_SELECT); 2393 RD_REG_WORD(®->id_l); /* Flush PCI write */ 2394 NVRAM_DELAY(); 2395} 2396 2397/* 2398 * Mailbox Command 2399 * Issue mailbox command and waits for completion. 2400 * 2401 * Input: 2402 * ha = adapter block pointer. 2403 * mr = mailbox registers to load. 2404 * mb = data pointer for mailbox registers. 2405 * 2406 * Output: 2407 * mb[MAILBOX_REGISTER_COUNT] = returned mailbox data. 2408 * 2409 * Returns: 2410 * 0 = success 2411 */ 2412static int 2413qla1280_mailbox_command(struct scsi_qla_host *ha, uint8_t mr, uint16_t *mb) 2414{ 2415 struct device_reg __iomem *reg = ha->iobase; 2416 int status = 0; 2417 int cnt; 2418 uint16_t *optr, *iptr; 2419 uint16_t __iomem *mptr; 2420 DECLARE_COMPLETION_ONSTACK(wait); 2421 2422 ENTER("qla1280_mailbox_command"); 2423 2424 if (ha->mailbox_wait) { 2425 printk(KERN_ERR "Warning mailbox wait already in use!\n"); 2426 } 2427 ha->mailbox_wait = &wait; 2428 2429 /* 2430 * We really should start out by verifying that the mailbox is 2431 * available before starting sending the command data 2432 */ 2433 /* Load mailbox registers. */ 2434 mptr = (uint16_t __iomem *) ®->mailbox0; 2435 iptr = mb; 2436 for (cnt = 0; cnt < MAILBOX_REGISTER_COUNT; cnt++) { 2437 if (mr & BIT_0) { 2438 WRT_REG_WORD(mptr, (*iptr)); 2439 } 2440 2441 mr >>= 1; 2442 mptr++; 2443 iptr++; 2444 } 2445 2446 /* Issue set host interrupt command. */ 2447 2448 /* set up a timer just in case we're really jammed */ 2449 timer_setup(&ha->mailbox_timer, qla1280_mailbox_timeout, 0); 2450 mod_timer(&ha->mailbox_timer, jiffies + 20 * HZ); 2451 2452 spin_unlock_irq(ha->host->host_lock); 2453 WRT_REG_WORD(®->host_cmd, HC_SET_HOST_INT); 2454 qla1280_debounce_register(®->istatus); 2455 2456 wait_for_completion(&wait); 2457 timer_delete_sync(&ha->mailbox_timer); 2458 2459 spin_lock_irq(ha->host->host_lock); 2460 2461 ha->mailbox_wait = NULL; 2462 2463 /* Check for mailbox command timeout. */ 2464 if (ha->mailbox_out[0] != MBS_CMD_CMP) { 2465 printk(KERN_WARNING "qla1280_mailbox_command: Command failed, " 2466 "mailbox0 = 0x%04x, mailbox_out0 = 0x%04x, istatus = " 2467 "0x%04x\n", 2468 mb[0], ha->mailbox_out[0], RD_REG_WORD(®->istatus)); 2469 printk(KERN_WARNING "m0 %04x, m1 %04x, m2 %04x, m3 %04x\n", 2470 RD_REG_WORD(®->mailbox0), RD_REG_WORD(®->mailbox1), 2471 RD_REG_WORD(®->mailbox2), RD_REG_WORD(®->mailbox3)); 2472 printk(KERN_WARNING "m4 %04x, m5 %04x, m6 %04x, m7 %04x\n", 2473 RD_REG_WORD(®->mailbox4), RD_REG_WORD(®->mailbox5), 2474 RD_REG_WORD(®->mailbox6), RD_REG_WORD(®->mailbox7)); 2475 status = 1; 2476 } 2477 2478 /* Load return mailbox registers. */ 2479 optr = mb; 2480 iptr = (uint16_t *) &ha->mailbox_out[0]; 2481 memcpy(optr, iptr, MAILBOX_REGISTER_COUNT * sizeof(uint16_t)); 2482 2483 if (ha->flags.reset_marker) 2484 qla1280_rst_aen(ha); 2485 2486 if (status) 2487 dprintk(2, "qla1280_mailbox_command: **** FAILED, mailbox0 = " 2488 "0x%x ****\n", mb[0]); 2489 2490 LEAVE("qla1280_mailbox_command"); 2491 return status; 2492} 2493 2494/* 2495 * qla1280_poll 2496 * Polls ISP for interrupts. 2497 * 2498 * Input: 2499 * ha = adapter block pointer. 2500 */ 2501static void 2502qla1280_poll(struct scsi_qla_host *ha) 2503{ 2504 struct device_reg __iomem *reg = ha->iobase; 2505 uint16_t data; 2506 LIST_HEAD(done_q); 2507 2508 /* ENTER("qla1280_poll"); */ 2509 2510 /* Check for pending interrupts. */ 2511 data = RD_REG_WORD(®->istatus); 2512 if (data & RISC_INT) 2513 qla1280_isr(ha, &done_q); 2514 2515 if (!ha->mailbox_wait) { 2516 if (ha->flags.reset_marker) 2517 qla1280_rst_aen(ha); 2518 } 2519 2520 if (!list_empty(&done_q)) 2521 qla1280_done(ha); 2522 2523 /* LEAVE("qla1280_poll"); */ 2524} 2525 2526/* 2527 * qla1280_bus_reset 2528 * Issue SCSI bus reset. 2529 * 2530 * Input: 2531 * ha = adapter block pointer. 2532 * bus = SCSI bus number. 2533 * 2534 * Returns: 2535 * 0 = success 2536 */ 2537static int 2538qla1280_bus_reset(struct scsi_qla_host *ha, int bus) 2539{ 2540 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2541 uint16_t reset_delay; 2542 int status; 2543 2544 dprintk(3, "qla1280_bus_reset: entered\n"); 2545 2546 if (qla1280_verbose) 2547 printk(KERN_INFO "scsi(%li:%i): Resetting SCSI BUS\n", 2548 ha->host_no, bus); 2549 2550 reset_delay = ha->bus_settings[bus].bus_reset_delay; 2551 mb[0] = MBC_BUS_RESET; 2552 mb[1] = reset_delay; 2553 mb[2] = (uint16_t) bus; 2554 status = qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]); 2555 2556 if (status) { 2557 if (ha->bus_settings[bus].failed_reset_count > 2) 2558 ha->bus_settings[bus].scsi_bus_dead = 1; 2559 ha->bus_settings[bus].failed_reset_count++; 2560 } else { 2561 spin_unlock_irq(ha->host->host_lock); 2562 ssleep(reset_delay); 2563 spin_lock_irq(ha->host->host_lock); 2564 2565 ha->bus_settings[bus].scsi_bus_dead = 0; 2566 ha->bus_settings[bus].failed_reset_count = 0; 2567 ha->bus_settings[bus].reset_marker = 0; 2568 /* Issue marker command. */ 2569 qla1280_marker(ha, bus, 0, 0, MK_SYNC_ALL); 2570 } 2571 2572 /* 2573 * We should probably call qla1280_set_target_parameters() 2574 * here as well for all devices on the bus. 2575 */ 2576 2577 if (status) 2578 dprintk(2, "qla1280_bus_reset: **** FAILED ****\n"); 2579 else 2580 dprintk(3, "qla1280_bus_reset: exiting normally\n"); 2581 2582 return status; 2583} 2584 2585/* 2586 * qla1280_device_reset 2587 * Issue bus device reset message to the target. 2588 * 2589 * Input: 2590 * ha = adapter block pointer. 2591 * bus = SCSI BUS number. 2592 * target = SCSI ID. 2593 * 2594 * Returns: 2595 * 0 = success 2596 */ 2597static int 2598qla1280_device_reset(struct scsi_qla_host *ha, int bus, int target) 2599{ 2600 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2601 int status; 2602 2603 ENTER("qla1280_device_reset"); 2604 2605 mb[0] = MBC_ABORT_TARGET; 2606 mb[1] = (bus ? (target | BIT_7) : target) << 8; 2607 mb[2] = 1; 2608 status = qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]); 2609 2610 /* Issue marker command. */ 2611 qla1280_marker(ha, bus, target, 0, MK_SYNC_ID); 2612 2613 if (status) 2614 dprintk(2, "qla1280_device_reset: **** FAILED ****\n"); 2615 2616 LEAVE("qla1280_device_reset"); 2617 return status; 2618} 2619 2620/* 2621 * qla1280_abort_command 2622 * Abort command aborts a specified IOCB. 2623 * 2624 * Input: 2625 * ha = adapter block pointer. 2626 * sp = SB structure pointer. 2627 * 2628 * Returns: 2629 * 0 = success 2630 */ 2631static int 2632qla1280_abort_command(struct scsi_qla_host *ha, struct srb * sp, int handle) 2633{ 2634 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2635 unsigned int bus, target, lun; 2636 int status; 2637 2638 ENTER("qla1280_abort_command"); 2639 2640 bus = SCSI_BUS_32(sp->cmd); 2641 target = SCSI_TCN_32(sp->cmd); 2642 lun = SCSI_LUN_32(sp->cmd); 2643 2644 sp->flags |= SRB_ABORT_PENDING; 2645 2646 mb[0] = MBC_ABORT_COMMAND; 2647 mb[1] = (bus ? target | BIT_7 : target) << 8 | lun; 2648 mb[2] = handle >> 16; 2649 mb[3] = handle & 0xffff; 2650 status = qla1280_mailbox_command(ha, 0x0f, &mb[0]); 2651 2652 if (status) { 2653 dprintk(2, "qla1280_abort_command: **** FAILED ****\n"); 2654 sp->flags &= ~SRB_ABORT_PENDING; 2655 } 2656 2657 2658 LEAVE("qla1280_abort_command"); 2659 return status; 2660} 2661 2662/* 2663 * qla1280_reset_adapter 2664 * Reset adapter. 2665 * 2666 * Input: 2667 * ha = adapter block pointer. 2668 */ 2669static void 2670qla1280_reset_adapter(struct scsi_qla_host *ha) 2671{ 2672 struct device_reg __iomem *reg = ha->iobase; 2673 2674 ENTER("qla1280_reset_adapter"); 2675 2676 /* Disable ISP chip */ 2677 ha->flags.online = 0; 2678 WRT_REG_WORD(®->ictrl, ISP_RESET); 2679 WRT_REG_WORD(®->host_cmd, 2680 HC_RESET_RISC | HC_RELEASE_RISC | HC_DISABLE_BIOS); 2681 RD_REG_WORD(®->id_l); /* Flush PCI write */ 2682 2683 LEAVE("qla1280_reset_adapter"); 2684} 2685 2686/* 2687 * Issue marker command. 2688 * Function issues marker IOCB. 2689 * 2690 * Input: 2691 * ha = adapter block pointer. 2692 * bus = SCSI BUS number 2693 * id = SCSI ID 2694 * lun = SCSI LUN 2695 * type = marker modifier 2696 */ 2697static void 2698qla1280_marker(struct scsi_qla_host *ha, int bus, int id, int lun, u8 type) 2699{ 2700 struct mrk_entry *pkt; 2701 2702 ENTER("qla1280_marker"); 2703 2704 /* Get request packet. */ 2705 if ((pkt = (struct mrk_entry *) qla1280_req_pkt(ha))) { 2706 pkt->entry_type = MARKER_TYPE; 2707 pkt->lun = (uint8_t) lun; 2708 pkt->target = (uint8_t) (bus ? (id | BIT_7) : id); 2709 pkt->modifier = type; 2710 pkt->entry_status = 0; 2711 2712 /* Issue command to ISP */ 2713 qla1280_isp_cmd(ha); 2714 } 2715 2716 LEAVE("qla1280_marker"); 2717} 2718 2719 2720/* 2721 * qla1280_64bit_start_scsi 2722 * The start SCSI is responsible for building request packets on 2723 * request ring and modifying ISP input pointer. 2724 * 2725 * Input: 2726 * ha = adapter block pointer. 2727 * sp = SB structure pointer. 2728 * 2729 * Returns: 2730 * 0 = success, was able to issue command. 2731 */ 2732#ifdef QLA_64BIT_PTR 2733static int 2734qla1280_64bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp) 2735{ 2736 struct device_reg __iomem *reg = ha->iobase; 2737 struct scsi_cmnd *cmd = sp->cmd; 2738 cmd_a64_entry_t *pkt; 2739 __le32 *dword_ptr; 2740 dma_addr_t dma_handle; 2741 int status = 0; 2742 int cnt; 2743 int req_cnt; 2744 int seg_cnt; 2745 u8 dir; 2746 2747 ENTER("qla1280_64bit_start_scsi:"); 2748 2749 /* Calculate number of entries and segments required. */ 2750 req_cnt = 1; 2751 seg_cnt = scsi_dma_map(cmd); 2752 if (seg_cnt > 0) { 2753 if (seg_cnt > 2) { 2754 req_cnt += (seg_cnt - 2) / 5; 2755 if ((seg_cnt - 2) % 5) 2756 req_cnt++; 2757 } 2758 } else if (seg_cnt < 0) { 2759 status = 1; 2760 goto out; 2761 } 2762 2763 if ((req_cnt + 2) >= ha->req_q_cnt) { 2764 /* Calculate number of free request entries. */ 2765 cnt = RD_REG_WORD(®->mailbox4); 2766 if (ha->req_ring_index < cnt) 2767 ha->req_q_cnt = cnt - ha->req_ring_index; 2768 else 2769 ha->req_q_cnt = 2770 REQUEST_ENTRY_CNT - (ha->req_ring_index - cnt); 2771 } 2772 2773 dprintk(3, "Number of free entries=(%d) seg_cnt=0x%x\n", 2774 ha->req_q_cnt, seg_cnt); 2775 2776 /* If room for request in request ring. */ 2777 if ((req_cnt + 2) >= ha->req_q_cnt) { 2778 status = SCSI_MLQUEUE_HOST_BUSY; 2779 dprintk(2, "qla1280_start_scsi: in-ptr=0x%x req_q_cnt=" 2780 "0x%xreq_cnt=0x%x", ha->req_ring_index, ha->req_q_cnt, 2781 req_cnt); 2782 goto out; 2783 } 2784 2785 /* Check for room in outstanding command list. */ 2786 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS && 2787 ha->outstanding_cmds[cnt] != NULL; cnt++); 2788 2789 if (cnt >= MAX_OUTSTANDING_COMMANDS) { 2790 status = SCSI_MLQUEUE_HOST_BUSY; 2791 dprintk(2, "qla1280_start_scsi: NO ROOM IN " 2792 "OUTSTANDING ARRAY, req_q_cnt=0x%x", ha->req_q_cnt); 2793 goto out; 2794 } 2795 2796 ha->outstanding_cmds[cnt] = sp; 2797 ha->req_q_cnt -= req_cnt; 2798 CMD_HANDLE(sp->cmd) = (unsigned char *)(unsigned long)(cnt + 1); 2799 2800 dprintk(2, "start: cmd=%p sp=%p CDB=%xm, handle %lx\n", cmd, sp, 2801 cmd->cmnd[0], (long)CMD_HANDLE(sp->cmd)); 2802 dprintk(2, " bus %i, target %i, lun %llu\n", 2803 SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), SCSI_LUN_32(cmd)); 2804 qla1280_dump_buffer(2, cmd->cmnd, MAX_COMMAND_SIZE); 2805 2806 /* 2807 * Build command packet. 2808 */ 2809 pkt = (cmd_a64_entry_t *) ha->request_ring_ptr; 2810 2811 pkt->entry_type = COMMAND_A64_TYPE; 2812 pkt->entry_count = (uint8_t) req_cnt; 2813 pkt->sys_define = (uint8_t) ha->req_ring_index; 2814 pkt->entry_status = 0; 2815 pkt->handle = cpu_to_le32(cnt); 2816 2817 /* Zero out remaining portion of packet. */ 2818 memset(((char *)pkt + 8), 0, (REQUEST_ENTRY_SIZE - 8)); 2819 2820 /* Set ISP command timeout. */ 2821 pkt->timeout = cpu_to_le16(scsi_cmd_to_rq(cmd)->timeout / HZ); 2822 2823 /* Set device target ID and LUN */ 2824 pkt->lun = SCSI_LUN_32(cmd); 2825 pkt->target = SCSI_BUS_32(cmd) ? 2826 (SCSI_TCN_32(cmd) | BIT_7) : SCSI_TCN_32(cmd); 2827 2828 /* Enable simple tag queuing if device supports it. */ 2829 if (cmd->device->simple_tags) 2830 pkt->control_flags |= cpu_to_le16(BIT_3); 2831 2832 /* Load SCSI command packet. */ 2833 pkt->cdb_len = cpu_to_le16(CMD_CDBLEN(cmd)); 2834 memcpy(pkt->scsi_cdb, CMD_CDBP(cmd), CMD_CDBLEN(cmd)); 2835 /* dprintk(1, "Build packet for command[0]=0x%x\n",pkt->scsi_cdb[0]); */ 2836 2837 /* Set transfer direction. */ 2838 dir = qla1280_data_direction(cmd); 2839 pkt->control_flags |= cpu_to_le16(dir); 2840 2841 /* Set total data segment count. */ 2842 pkt->dseg_count = cpu_to_le16(seg_cnt); 2843 2844 /* 2845 * Load data segments. 2846 */ 2847 if (seg_cnt) { /* If data transfer. */ 2848 struct scatterlist *sg, *s; 2849 int remseg = seg_cnt; 2850 2851 sg = scsi_sglist(cmd); 2852 2853 /* Setup packet address segment pointer. */ 2854 dword_ptr = (u32 *)&pkt->dseg_0_address; 2855 2856 /* Load command entry data segments. */ 2857 for_each_sg(sg, s, seg_cnt, cnt) { 2858 if (cnt == 2) 2859 break; 2860 2861 dma_handle = sg_dma_address(s); 2862 *dword_ptr++ = 2863 cpu_to_le32(lower_32_bits(dma_handle)); 2864 *dword_ptr++ = 2865 cpu_to_le32(upper_32_bits(dma_handle)); 2866 *dword_ptr++ = cpu_to_le32(sg_dma_len(s)); 2867 dprintk(3, "S/G Segment phys_addr=%x %x, len=0x%x\n", 2868 cpu_to_le32(upper_32_bits(dma_handle)), 2869 cpu_to_le32(lower_32_bits(dma_handle)), 2870 cpu_to_le32(sg_dma_len(s))); 2871 remseg--; 2872 } 2873 dprintk(5, "qla1280_64bit_start_scsi: Scatter/gather " 2874 "command packet data - b %i, t %i, l %llu\n", 2875 SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), 2876 SCSI_LUN_32(cmd)); 2877 qla1280_dump_buffer(5, (char *)pkt, 2878 REQUEST_ENTRY_SIZE); 2879 2880 /* 2881 * Build continuation packets. 2882 */ 2883 dprintk(3, "S/G Building Continuation...seg_cnt=0x%x " 2884 "remains\n", seg_cnt); 2885 2886 while (remseg > 0) { 2887 /* Update sg start */ 2888 sg = s; 2889 /* Adjust ring index. */ 2890 ha->req_ring_index++; 2891 if (ha->req_ring_index == REQUEST_ENTRY_CNT) { 2892 ha->req_ring_index = 0; 2893 ha->request_ring_ptr = 2894 ha->request_ring; 2895 } else 2896 ha->request_ring_ptr++; 2897 2898 pkt = (cmd_a64_entry_t *)ha->request_ring_ptr; 2899 2900 /* Zero out packet. */ 2901 memset(pkt, 0, REQUEST_ENTRY_SIZE); 2902 2903 /* Load packet defaults. */ 2904 ((struct cont_a64_entry *) pkt)->entry_type = 2905 CONTINUE_A64_TYPE; 2906 ((struct cont_a64_entry *) pkt)->entry_count = 1; 2907 ((struct cont_a64_entry *) pkt)->sys_define = 2908 (uint8_t)ha->req_ring_index; 2909 /* Setup packet address segment pointer. */ 2910 dword_ptr = 2911 (u32 *)&((struct cont_a64_entry *) pkt)->dseg_0_address; 2912 2913 /* Load continuation entry data segments. */ 2914 for_each_sg(sg, s, remseg, cnt) { 2915 if (cnt == 5) 2916 break; 2917 dma_handle = sg_dma_address(s); 2918 *dword_ptr++ = 2919 cpu_to_le32(lower_32_bits(dma_handle)); 2920 *dword_ptr++ = 2921 cpu_to_le32(upper_32_bits(dma_handle)); 2922 *dword_ptr++ = 2923 cpu_to_le32(sg_dma_len(s)); 2924 dprintk(3, "S/G Segment Cont. phys_addr=%x %x, len=0x%x\n", 2925 cpu_to_le32(upper_32_bits(dma_handle)), 2926 cpu_to_le32(lower_32_bits(dma_handle)), 2927 cpu_to_le32(sg_dma_len(s))); 2928 } 2929 remseg -= cnt; 2930 dprintk(5, "qla1280_64bit_start_scsi: " 2931 "continuation packet data - b %i, t " 2932 "%i, l %llu\n", SCSI_BUS_32(cmd), 2933 SCSI_TCN_32(cmd), SCSI_LUN_32(cmd)); 2934 qla1280_dump_buffer(5, (char *)pkt, 2935 REQUEST_ENTRY_SIZE); 2936 } 2937 } else { /* No data transfer */ 2938 dprintk(5, "qla1280_64bit_start_scsi: No data, command " 2939 "packet data - b %i, t %i, l %llu\n", 2940 SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), SCSI_LUN_32(cmd)); 2941 qla1280_dump_buffer(5, (char *)pkt, REQUEST_ENTRY_SIZE); 2942 } 2943 /* Adjust ring index. */ 2944 ha->req_ring_index++; 2945 if (ha->req_ring_index == REQUEST_ENTRY_CNT) { 2946 ha->req_ring_index = 0; 2947 ha->request_ring_ptr = ha->request_ring; 2948 } else 2949 ha->request_ring_ptr++; 2950 2951 /* Set chip new ring index. */ 2952 dprintk(2, 2953 "qla1280_64bit_start_scsi: Wakeup RISC for pending command\n"); 2954 sp->flags |= SRB_SENT; 2955 ha->actthreads++; 2956 WRT_REG_WORD(®->mailbox4, ha->req_ring_index); 2957 2958 out: 2959 if (status) 2960 dprintk(2, "qla1280_64bit_start_scsi: **** FAILED ****\n"); 2961 else 2962 dprintk(3, "qla1280_64bit_start_scsi: exiting normally\n"); 2963 2964 return status; 2965} 2966#else /* !QLA_64BIT_PTR */ 2967 2968/* 2969 * qla1280_32bit_start_scsi 2970 * The start SCSI is responsible for building request packets on 2971 * request ring and modifying ISP input pointer. 2972 * 2973 * The Qlogic firmware interface allows every queue slot to have a SCSI 2974 * command and up to 4 scatter/gather (SG) entries. If we need more 2975 * than 4 SG entries, then continuation entries are used that can 2976 * hold another 7 entries each. The start routine determines if there 2977 * is eought empty slots then build the combination of requests to 2978 * fulfill the OS request. 2979 * 2980 * Input: 2981 * ha = adapter block pointer. 2982 * sp = SCSI Request Block structure pointer. 2983 * 2984 * Returns: 2985 * 0 = success, was able to issue command. 2986 */ 2987static int 2988qla1280_32bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp) 2989{ 2990 struct device_reg __iomem *reg = ha->iobase; 2991 struct scsi_cmnd *cmd = sp->cmd; 2992 struct cmd_entry *pkt; 2993 __le32 *dword_ptr; 2994 int status = 0; 2995 int cnt; 2996 int req_cnt; 2997 int seg_cnt; 2998 u8 dir; 2999 3000 ENTER("qla1280_32bit_start_scsi"); 3001 3002 dprintk(1, "32bit_start: cmd=%p sp=%p CDB=%x\n", cmd, sp, 3003 cmd->cmnd[0]); 3004 3005 /* Calculate number of entries and segments required. */ 3006 req_cnt = 1; 3007 seg_cnt = scsi_dma_map(cmd); 3008 if (seg_cnt) { 3009 /* 3010 * if greater than four sg entries then we need to allocate 3011 * continuation entries 3012 */ 3013 if (seg_cnt > 4) { 3014 req_cnt += (seg_cnt - 4) / 7; 3015 if ((seg_cnt - 4) % 7) 3016 req_cnt++; 3017 } 3018 dprintk(3, "S/G Transfer cmd=%p seg_cnt=0x%x, req_cnt=%x\n", 3019 cmd, seg_cnt, req_cnt); 3020 } else if (seg_cnt < 0) { 3021 status = 1; 3022 goto out; 3023 } 3024 3025 if ((req_cnt + 2) >= ha->req_q_cnt) { 3026 /* Calculate number of free request entries. */ 3027 cnt = RD_REG_WORD(®->mailbox4); 3028 if (ha->req_ring_index < cnt) 3029 ha->req_q_cnt = cnt - ha->req_ring_index; 3030 else 3031 ha->req_q_cnt = 3032 REQUEST_ENTRY_CNT - (ha->req_ring_index - cnt); 3033 } 3034 3035 dprintk(3, "Number of free entries=(%d) seg_cnt=0x%x\n", 3036 ha->req_q_cnt, seg_cnt); 3037 /* If room for request in request ring. */ 3038 if ((req_cnt + 2) >= ha->req_q_cnt) { 3039 status = SCSI_MLQUEUE_HOST_BUSY; 3040 dprintk(2, "qla1280_32bit_start_scsi: in-ptr=0x%x, " 3041 "req_q_cnt=0x%x, req_cnt=0x%x", ha->req_ring_index, 3042 ha->req_q_cnt, req_cnt); 3043 goto out; 3044 } 3045 3046 /* Check for empty slot in outstanding command list. */ 3047 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS && 3048 ha->outstanding_cmds[cnt]; cnt++); 3049 3050 if (cnt >= MAX_OUTSTANDING_COMMANDS) { 3051 status = SCSI_MLQUEUE_HOST_BUSY; 3052 dprintk(2, "qla1280_32bit_start_scsi: NO ROOM IN OUTSTANDING " 3053 "ARRAY, req_q_cnt=0x%x\n", ha->req_q_cnt); 3054 goto out; 3055 } 3056 3057 CMD_HANDLE(sp->cmd) = (unsigned char *) (unsigned long)(cnt + 1); 3058 ha->outstanding_cmds[cnt] = sp; 3059 ha->req_q_cnt -= req_cnt; 3060 3061 /* 3062 * Build command packet. 3063 */ 3064 pkt = (struct cmd_entry *) ha->request_ring_ptr; 3065 3066 pkt->entry_type = COMMAND_TYPE; 3067 pkt->entry_count = (uint8_t) req_cnt; 3068 pkt->sys_define = (uint8_t) ha->req_ring_index; 3069 pkt->entry_status = 0; 3070 pkt->handle = cpu_to_le32(cnt); 3071 3072 /* Zero out remaining portion of packet. */ 3073 memset(((char *)pkt + 8), 0, (REQUEST_ENTRY_SIZE - 8)); 3074 3075 /* Set ISP command timeout. */ 3076 pkt->timeout = cpu_to_le16(scsi_cmd_to_rq(cmd)->timeout / HZ); 3077 3078 /* Set device target ID and LUN */ 3079 pkt->lun = SCSI_LUN_32(cmd); 3080 pkt->target = SCSI_BUS_32(cmd) ? 3081 (SCSI_TCN_32(cmd) | BIT_7) : SCSI_TCN_32(cmd); 3082 3083 /* Enable simple tag queuing if device supports it. */ 3084 if (cmd->device->simple_tags) 3085 pkt->control_flags |= cpu_to_le16(BIT_3); 3086 3087 /* Load SCSI command packet. */ 3088 pkt->cdb_len = cpu_to_le16(CMD_CDBLEN(cmd)); 3089 memcpy(pkt->scsi_cdb, CMD_CDBP(cmd), CMD_CDBLEN(cmd)); 3090 3091 /*dprintk(1, "Build packet for command[0]=0x%x\n",pkt->scsi_cdb[0]); */ 3092 /* Set transfer direction. */ 3093 dir = qla1280_data_direction(cmd); 3094 pkt->control_flags |= cpu_to_le16(dir); 3095 3096 /* Set total data segment count. */ 3097 pkt->dseg_count = cpu_to_le16(seg_cnt); 3098 3099 /* 3100 * Load data segments. 3101 */ 3102 if (seg_cnt) { 3103 struct scatterlist *sg, *s; 3104 int remseg = seg_cnt; 3105 3106 sg = scsi_sglist(cmd); 3107 3108 /* Setup packet address segment pointer. */ 3109 dword_ptr = &pkt->dseg_0_address; 3110 3111 dprintk(3, "Building S/G data segments..\n"); 3112 qla1280_dump_buffer(1, (char *)sg, 4 * 16); 3113 3114 /* Load command entry data segments. */ 3115 for_each_sg(sg, s, seg_cnt, cnt) { 3116 if (cnt == 4) 3117 break; 3118 *dword_ptr++ = 3119 cpu_to_le32(lower_32_bits(sg_dma_address(s))); 3120 *dword_ptr++ = cpu_to_le32(sg_dma_len(s)); 3121 dprintk(3, "S/G Segment phys_addr=0x%lx, len=0x%x\n", 3122 (lower_32_bits(sg_dma_address(s))), 3123 (sg_dma_len(s))); 3124 remseg--; 3125 } 3126 /* 3127 * Build continuation packets. 3128 */ 3129 dprintk(3, "S/G Building Continuation" 3130 "...seg_cnt=0x%x remains\n", seg_cnt); 3131 while (remseg > 0) { 3132 /* Continue from end point */ 3133 sg = s; 3134 /* Adjust ring index. */ 3135 ha->req_ring_index++; 3136 if (ha->req_ring_index == REQUEST_ENTRY_CNT) { 3137 ha->req_ring_index = 0; 3138 ha->request_ring_ptr = 3139 ha->request_ring; 3140 } else 3141 ha->request_ring_ptr++; 3142 3143 pkt = (struct cmd_entry *)ha->request_ring_ptr; 3144 3145 /* Zero out packet. */ 3146 memset(pkt, 0, REQUEST_ENTRY_SIZE); 3147 3148 /* Load packet defaults. */ 3149 ((struct cont_entry *) pkt)-> 3150 entry_type = CONTINUE_TYPE; 3151 ((struct cont_entry *) pkt)->entry_count = 1; 3152 3153 ((struct cont_entry *) pkt)->sys_define = 3154 (uint8_t) ha->req_ring_index; 3155 3156 /* Setup packet address segment pointer. */ 3157 dword_ptr = 3158 &((struct cont_entry *) pkt)->dseg_0_address; 3159 3160 /* Load continuation entry data segments. */ 3161 for_each_sg(sg, s, remseg, cnt) { 3162 if (cnt == 7) 3163 break; 3164 *dword_ptr++ = 3165 cpu_to_le32(lower_32_bits(sg_dma_address(s))); 3166 *dword_ptr++ = 3167 cpu_to_le32(sg_dma_len(s)); 3168 dprintk(1, 3169 "S/G Segment Cont. phys_addr=0x%x, " 3170 "len=0x%x\n", 3171 cpu_to_le32(lower_32_bits(sg_dma_address(s))), 3172 cpu_to_le32(sg_dma_len(s))); 3173 } 3174 remseg -= cnt; 3175 dprintk(5, "qla1280_32bit_start_scsi: " 3176 "continuation packet data - " 3177 "scsi(%i:%i:%i)\n", SCSI_BUS_32(cmd), 3178 SCSI_TCN_32(cmd), SCSI_LUN_32(cmd)); 3179 qla1280_dump_buffer(5, (char *)pkt, 3180 REQUEST_ENTRY_SIZE); 3181 } 3182 } else { /* No data transfer at all */ 3183 dprintk(5, "qla1280_32bit_start_scsi: No data, command " 3184 "packet data - \n"); 3185 qla1280_dump_buffer(5, (char *)pkt, REQUEST_ENTRY_SIZE); 3186 } 3187 dprintk(5, "qla1280_32bit_start_scsi: First IOCB block:\n"); 3188 qla1280_dump_buffer(5, (char *)ha->request_ring_ptr, 3189 REQUEST_ENTRY_SIZE); 3190 3191 /* Adjust ring index. */ 3192 ha->req_ring_index++; 3193 if (ha->req_ring_index == REQUEST_ENTRY_CNT) { 3194 ha->req_ring_index = 0; 3195 ha->request_ring_ptr = ha->request_ring; 3196 } else 3197 ha->request_ring_ptr++; 3198 3199 /* Set chip new ring index. */ 3200 dprintk(2, "qla1280_32bit_start_scsi: Wakeup RISC " 3201 "for pending command\n"); 3202 sp->flags |= SRB_SENT; 3203 ha->actthreads++; 3204 WRT_REG_WORD(®->mailbox4, ha->req_ring_index); 3205 3206out: 3207 if (status) 3208 dprintk(2, "qla1280_32bit_start_scsi: **** FAILED ****\n"); 3209 3210 LEAVE("qla1280_32bit_start_scsi"); 3211 3212 return status; 3213} 3214#endif 3215 3216/* 3217 * qla1280_req_pkt 3218 * Function is responsible for locking ring and 3219 * getting a zeroed out request packet. 3220 * 3221 * Input: 3222 * ha = adapter block pointer. 3223 * 3224 * Returns: 3225 * 0 = failed to get slot. 3226 */ 3227static request_t * 3228qla1280_req_pkt(struct scsi_qla_host *ha) 3229{ 3230 struct device_reg __iomem *reg = ha->iobase; 3231 request_t *pkt = NULL; 3232 int cnt; 3233 uint32_t timer; 3234 3235 ENTER("qla1280_req_pkt"); 3236 3237 /* 3238 * This can be called from interrupt context, damn it!!! 3239 */ 3240 /* Wait for 30 seconds for slot. */ 3241 for (timer = 15000000; timer; timer--) { 3242 if (ha->req_q_cnt > 0) { 3243 /* Calculate number of free request entries. */ 3244 cnt = RD_REG_WORD(®->mailbox4); 3245 if (ha->req_ring_index < cnt) 3246 ha->req_q_cnt = cnt - ha->req_ring_index; 3247 else 3248 ha->req_q_cnt = 3249 REQUEST_ENTRY_CNT - (ha->req_ring_index - cnt); 3250 } 3251 3252 /* Found empty request ring slot? */ 3253 if (ha->req_q_cnt > 0) { 3254 ha->req_q_cnt--; 3255 pkt = ha->request_ring_ptr; 3256 3257 /* Zero out packet. */ 3258 memset(pkt, 0, REQUEST_ENTRY_SIZE); 3259 3260 /* 3261 * How can this be right when we have a ring 3262 * size of 512??? 3263 */ 3264 /* Set system defined field. */ 3265 pkt->sys_define = (uint8_t) ha->req_ring_index; 3266 3267 /* Set entry count. */ 3268 pkt->entry_count = 1; 3269 3270 break; 3271 } 3272 3273 udelay(2); /* 10 */ 3274 3275 /* Check for pending interrupts. */ 3276 qla1280_poll(ha); 3277 } 3278 3279 if (!pkt) 3280 dprintk(2, "qla1280_req_pkt: **** FAILED ****\n"); 3281 else 3282 dprintk(3, "qla1280_req_pkt: exiting normally\n"); 3283 3284 return pkt; 3285} 3286 3287/* 3288 * qla1280_isp_cmd 3289 * Function is responsible for modifying ISP input pointer. 3290 * Releases ring lock. 3291 * 3292 * Input: 3293 * ha = adapter block pointer. 3294 */ 3295static void 3296qla1280_isp_cmd(struct scsi_qla_host *ha) 3297{ 3298 struct device_reg __iomem *reg = ha->iobase; 3299 3300 ENTER("qla1280_isp_cmd"); 3301 3302 dprintk(5, "qla1280_isp_cmd: IOCB data:\n"); 3303 qla1280_dump_buffer(5, (char *)ha->request_ring_ptr, 3304 REQUEST_ENTRY_SIZE); 3305 3306 /* Adjust ring index. */ 3307 ha->req_ring_index++; 3308 if (ha->req_ring_index == REQUEST_ENTRY_CNT) { 3309 ha->req_ring_index = 0; 3310 ha->request_ring_ptr = ha->request_ring; 3311 } else 3312 ha->request_ring_ptr++; 3313 3314 /* 3315 * Update request index to mailbox4 (Request Queue In). 3316 */ 3317 WRT_REG_WORD(®->mailbox4, ha->req_ring_index); 3318 3319 LEAVE("qla1280_isp_cmd"); 3320} 3321 3322/****************************************************************************/ 3323/* Interrupt Service Routine. */ 3324/****************************************************************************/ 3325 3326/**************************************************************************** 3327 * qla1280_isr 3328 * Calls I/O done on command completion. 3329 * 3330 * Input: 3331 * ha = adapter block pointer. 3332 * done_q = done queue. 3333 ****************************************************************************/ 3334static void 3335qla1280_isr(struct scsi_qla_host *ha, struct list_head *done_q) 3336{ 3337 struct device_reg __iomem *reg = ha->iobase; 3338 struct response *pkt; 3339 struct srb *sp = NULL; 3340 uint16_t mailbox[MAILBOX_REGISTER_COUNT]; 3341 uint16_t *wptr; 3342 uint32_t index; 3343 u16 istatus; 3344 3345 ENTER("qla1280_isr"); 3346 3347 istatus = RD_REG_WORD(®->istatus); 3348 if (!(istatus & (RISC_INT | PCI_INT))) 3349 return; 3350 3351 /* Save mailbox register 5 */ 3352 mailbox[5] = RD_REG_WORD(®->mailbox5); 3353 3354 /* Check for mailbox interrupt. */ 3355 3356 mailbox[0] = RD_REG_WORD_dmasync(®->semaphore); 3357 3358 if (mailbox[0] & BIT_0) { 3359 /* Get mailbox data. */ 3360 /* dprintk(1, "qla1280_isr: In Get mailbox data \n"); */ 3361 3362 wptr = &mailbox[0]; 3363 *wptr++ = RD_REG_WORD(®->mailbox0); 3364 *wptr++ = RD_REG_WORD(®->mailbox1); 3365 *wptr = RD_REG_WORD(®->mailbox2); 3366 if (mailbox[0] != MBA_SCSI_COMPLETION) { 3367 wptr++; 3368 *wptr++ = RD_REG_WORD(®->mailbox3); 3369 *wptr++ = RD_REG_WORD(®->mailbox4); 3370 wptr++; 3371 *wptr++ = RD_REG_WORD(®->mailbox6); 3372 *wptr = RD_REG_WORD(®->mailbox7); 3373 } 3374 3375 /* Release mailbox registers. */ 3376 3377 WRT_REG_WORD(®->semaphore, 0); 3378 WRT_REG_WORD(®->host_cmd, HC_CLR_RISC_INT); 3379 3380 dprintk(5, "qla1280_isr: mailbox interrupt mailbox[0] = 0x%x", 3381 mailbox[0]); 3382 3383 /* Handle asynchronous event */ 3384 switch (mailbox[0]) { 3385 case MBA_SCSI_COMPLETION: /* Response completion */ 3386 dprintk(5, "qla1280_isr: mailbox SCSI response " 3387 "completion\n"); 3388 3389 if (ha->flags.online) { 3390 /* Get outstanding command index. */ 3391 index = mailbox[2] << 16 | mailbox[1]; 3392 3393 /* Validate handle. */ 3394 if (index < MAX_OUTSTANDING_COMMANDS) 3395 sp = ha->outstanding_cmds[index]; 3396 else 3397 sp = NULL; 3398 3399 if (sp) { 3400 /* Free outstanding command slot. */ 3401 ha->outstanding_cmds[index] = NULL; 3402 3403 /* Save ISP completion status */ 3404 CMD_RESULT(sp->cmd) = 0; 3405 CMD_HANDLE(sp->cmd) = COMPLETED_HANDLE; 3406 3407 /* Place block on done queue */ 3408 list_add_tail(&sp->list, done_q); 3409 } else { 3410 /* 3411 * If we get here we have a real problem! 3412 */ 3413 printk(KERN_WARNING 3414 "qla1280: ISP invalid handle\n"); 3415 } 3416 } 3417 break; 3418 3419 case MBA_BUS_RESET: /* SCSI Bus Reset */ 3420 ha->flags.reset_marker = 1; 3421 index = mailbox[6] & BIT_0; 3422 ha->bus_settings[index].reset_marker = 1; 3423 3424 printk(KERN_DEBUG "qla1280_isr(): index %i " 3425 "asynchronous BUS_RESET\n", index); 3426 break; 3427 3428 case MBA_SYSTEM_ERR: /* System Error */ 3429 printk(KERN_WARNING 3430 "qla1280: ISP System Error - mbx1=%xh, mbx2=" 3431 "%xh, mbx3=%xh\n", mailbox[1], mailbox[2], 3432 mailbox[3]); 3433 break; 3434 3435 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ 3436 printk(KERN_WARNING 3437 "qla1280: ISP Request Transfer Error\n"); 3438 break; 3439 3440 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ 3441 printk(KERN_WARNING 3442 "qla1280: ISP Response Transfer Error\n"); 3443 break; 3444 3445 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ 3446 dprintk(2, "qla1280_isr: asynchronous WAKEUP_THRES\n"); 3447 break; 3448 3449 case MBA_TIMEOUT_RESET: /* Execution Timeout Reset */ 3450 dprintk(2, 3451 "qla1280_isr: asynchronous TIMEOUT_RESET\n"); 3452 break; 3453 3454 case MBA_DEVICE_RESET: /* Bus Device Reset */ 3455 printk(KERN_INFO "qla1280_isr(): asynchronous " 3456 "BUS_DEVICE_RESET\n"); 3457 3458 ha->flags.reset_marker = 1; 3459 index = mailbox[6] & BIT_0; 3460 ha->bus_settings[index].reset_marker = 1; 3461 break; 3462 3463 case MBA_BUS_MODE_CHANGE: 3464 dprintk(2, 3465 "qla1280_isr: asynchronous BUS_MODE_CHANGE\n"); 3466 break; 3467 3468 default: 3469 /* dprintk(1, "qla1280_isr: default case of switch MB \n"); */ 3470 if (mailbox[0] < MBA_ASYNC_EVENT) { 3471 wptr = &mailbox[0]; 3472 memcpy((uint16_t *) ha->mailbox_out, wptr, 3473 MAILBOX_REGISTER_COUNT * 3474 sizeof(uint16_t)); 3475 3476 if(ha->mailbox_wait != NULL) 3477 complete(ha->mailbox_wait); 3478 } 3479 break; 3480 } 3481 } else { 3482 WRT_REG_WORD(®->host_cmd, HC_CLR_RISC_INT); 3483 } 3484 3485 /* 3486 * We will receive interrupts during mailbox testing prior to 3487 * the card being marked online, hence the double check. 3488 */ 3489 if (!(ha->flags.online && !ha->mailbox_wait)) { 3490 dprintk(2, "qla1280_isr: Response pointer Error\n"); 3491 goto out; 3492 } 3493 3494 if (mailbox[5] >= RESPONSE_ENTRY_CNT) 3495 goto out; 3496 3497 while (ha->rsp_ring_index != mailbox[5]) { 3498 pkt = ha->response_ring_ptr; 3499 3500 dprintk(5, "qla1280_isr: ha->rsp_ring_index = 0x%x, mailbox[5]" 3501 " = 0x%x\n", ha->rsp_ring_index, mailbox[5]); 3502 dprintk(5,"qla1280_isr: response packet data\n"); 3503 qla1280_dump_buffer(5, (char *)pkt, RESPONSE_ENTRY_SIZE); 3504 3505 if (pkt->entry_type == STATUS_TYPE) { 3506 if ((le16_to_cpu(pkt->scsi_status) & 0xff) 3507 || pkt->comp_status || pkt->entry_status) { 3508 dprintk(2, "qla1280_isr: ha->rsp_ring_index = " 3509 "0x%x mailbox[5] = 0x%x, comp_status " 3510 "= 0x%x, scsi_status = 0x%x\n", 3511 ha->rsp_ring_index, mailbox[5], 3512 le16_to_cpu(pkt->comp_status), 3513 le16_to_cpu(pkt->scsi_status)); 3514 } 3515 } else { 3516 dprintk(2, "qla1280_isr: ha->rsp_ring_index = " 3517 "0x%x, mailbox[5] = 0x%x\n", 3518 ha->rsp_ring_index, mailbox[5]); 3519 dprintk(2, "qla1280_isr: response packet data\n"); 3520 qla1280_dump_buffer(2, (char *)pkt, 3521 RESPONSE_ENTRY_SIZE); 3522 } 3523 3524 if (pkt->entry_type == STATUS_TYPE || pkt->entry_status) { 3525 dprintk(2, "status: Cmd %p, handle %i\n", 3526 ha->outstanding_cmds[pkt->handle]->cmd, 3527 pkt->handle); 3528 if (pkt->entry_type == STATUS_TYPE) 3529 qla1280_status_entry(ha, pkt, done_q); 3530 else 3531 qla1280_error_entry(ha, pkt, done_q); 3532 /* Adjust ring index. */ 3533 ha->rsp_ring_index++; 3534 if (ha->rsp_ring_index == RESPONSE_ENTRY_CNT) { 3535 ha->rsp_ring_index = 0; 3536 ha->response_ring_ptr = ha->response_ring; 3537 } else 3538 ha->response_ring_ptr++; 3539 WRT_REG_WORD(®->mailbox5, ha->rsp_ring_index); 3540 } 3541 } 3542 3543 out: 3544 LEAVE("qla1280_isr"); 3545} 3546 3547/* 3548 * qla1280_rst_aen 3549 * Processes asynchronous reset. 3550 * 3551 * Input: 3552 * ha = adapter block pointer. 3553 */ 3554static void 3555qla1280_rst_aen(struct scsi_qla_host *ha) 3556{ 3557 uint8_t bus; 3558 3559 ENTER("qla1280_rst_aen"); 3560 3561 if (ha->flags.online && !ha->flags.reset_active && 3562 !ha->flags.abort_isp_active) { 3563 ha->flags.reset_active = 1; 3564 while (ha->flags.reset_marker) { 3565 /* Issue marker command. */ 3566 ha->flags.reset_marker = 0; 3567 for (bus = 0; bus < ha->ports && 3568 !ha->flags.reset_marker; bus++) { 3569 if (ha->bus_settings[bus].reset_marker) { 3570 ha->bus_settings[bus].reset_marker = 0; 3571 qla1280_marker(ha, bus, 0, 0, 3572 MK_SYNC_ALL); 3573 } 3574 } 3575 } 3576 } 3577 3578 LEAVE("qla1280_rst_aen"); 3579} 3580 3581 3582/* 3583 * qla1280_status_entry 3584 * Processes received ISP status entry. 3585 * 3586 * Input: 3587 * ha = adapter block pointer. 3588 * pkt = entry pointer. 3589 * done_q = done queue. 3590 */ 3591static void 3592qla1280_status_entry(struct scsi_qla_host *ha, struct response *pkt, 3593 struct list_head *done_q) 3594{ 3595 int sense_sz; 3596 struct srb *sp; 3597 struct scsi_cmnd *cmd; 3598 uint32_t handle = le32_to_cpu(pkt->handle); 3599 uint16_t scsi_status = le16_to_cpu(pkt->scsi_status); 3600 uint16_t comp_status = le16_to_cpu(pkt->comp_status); 3601 3602 ENTER("qla1280_status_entry"); 3603 3604 /* Validate handle. */ 3605 if (handle < MAX_OUTSTANDING_COMMANDS) 3606 sp = ha->outstanding_cmds[handle]; 3607 else 3608 sp = NULL; 3609 3610 if (!sp) { 3611 printk(KERN_WARNING "qla1280: Status Entry invalid handle\n"); 3612 goto out; 3613 } 3614 3615 /* Free outstanding command slot. */ 3616 ha->outstanding_cmds[handle] = NULL; 3617 3618 cmd = sp->cmd; 3619 3620 if (comp_status || scsi_status) { 3621 dprintk(3, "scsi: comp_status = 0x%x, scsi_status = " 3622 "0x%x, handle = 0x%x\n", comp_status, 3623 scsi_status, handle); 3624 } 3625 3626 /* Target busy or queue full */ 3627 if ((scsi_status & 0xFF) == SAM_STAT_TASK_SET_FULL || 3628 (scsi_status & 0xFF) == SAM_STAT_BUSY) { 3629 CMD_RESULT(cmd) = scsi_status & 0xff; 3630 } else { 3631 3632 /* Save ISP completion status */ 3633 CMD_RESULT(cmd) = qla1280_return_status(pkt, cmd); 3634 3635 if (scsi_status & SAM_STAT_CHECK_CONDITION) { 3636 if (comp_status != CS_ARS_FAILED) { 3637 uint16_t req_sense_length = 3638 le16_to_cpu(pkt->req_sense_length); 3639 if (req_sense_length < CMD_SNSLEN(cmd)) 3640 sense_sz = req_sense_length; 3641 else 3642 /* 3643 * scsi_cmnd->sense_buffer is 3644 * 64 bytes, why only copy 63? 3645 * This looks wrong! /Jes 3646 */ 3647 sense_sz = CMD_SNSLEN(cmd) - 1; 3648 3649 memcpy(cmd->sense_buffer, 3650 &pkt->req_sense_data, sense_sz); 3651 } else 3652 sense_sz = 0; 3653 memset(cmd->sense_buffer + sense_sz, 0, 3654 SCSI_SENSE_BUFFERSIZE - sense_sz); 3655 3656 dprintk(2, "qla1280_status_entry: Check " 3657 "condition Sense data, b %i, t %i, " 3658 "l %llu\n", SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), 3659 SCSI_LUN_32(cmd)); 3660 if (sense_sz) 3661 qla1280_dump_buffer(2, 3662 (char *)cmd->sense_buffer, 3663 sense_sz); 3664 } 3665 } 3666 3667 CMD_HANDLE(sp->cmd) = COMPLETED_HANDLE; 3668 3669 /* Place command on done queue. */ 3670 list_add_tail(&sp->list, done_q); 3671 out: 3672 LEAVE("qla1280_status_entry"); 3673} 3674 3675/* 3676 * qla1280_error_entry 3677 * Processes error entry. 3678 * 3679 * Input: 3680 * ha = adapter block pointer. 3681 * pkt = entry pointer. 3682 * done_q = done queue. 3683 */ 3684static void 3685qla1280_error_entry(struct scsi_qla_host *ha, struct response *pkt, 3686 struct list_head *done_q) 3687{ 3688 struct srb *sp; 3689 uint32_t handle = le32_to_cpu(pkt->handle); 3690 3691 ENTER("qla1280_error_entry"); 3692 3693 if (pkt->entry_status & BIT_3) 3694 dprintk(2, "qla1280_error_entry: BAD PAYLOAD flag error\n"); 3695 else if (pkt->entry_status & BIT_2) 3696 dprintk(2, "qla1280_error_entry: BAD HEADER flag error\n"); 3697 else if (pkt->entry_status & BIT_1) 3698 dprintk(2, "qla1280_error_entry: FULL flag error\n"); 3699 else 3700 dprintk(2, "qla1280_error_entry: UNKNOWN flag error\n"); 3701 3702 /* Validate handle. */ 3703 if (handle < MAX_OUTSTANDING_COMMANDS) 3704 sp = ha->outstanding_cmds[handle]; 3705 else 3706 sp = NULL; 3707 3708 if (sp) { 3709 /* Free outstanding command slot. */ 3710 ha->outstanding_cmds[handle] = NULL; 3711 3712 /* Bad payload or header */ 3713 if (pkt->entry_status & (BIT_3 + BIT_2)) { 3714 /* Bad payload or header, set error status. */ 3715 /* CMD_RESULT(sp->cmd) = CS_BAD_PAYLOAD; */ 3716 CMD_RESULT(sp->cmd) = DID_ERROR << 16; 3717 } else if (pkt->entry_status & BIT_1) { /* FULL flag */ 3718 CMD_RESULT(sp->cmd) = DID_BUS_BUSY << 16; 3719 } else { 3720 /* Set error status. */ 3721 CMD_RESULT(sp->cmd) = DID_ERROR << 16; 3722 } 3723 3724 CMD_HANDLE(sp->cmd) = COMPLETED_HANDLE; 3725 3726 /* Place command on done queue. */ 3727 list_add_tail(&sp->list, done_q); 3728 } 3729#ifdef QLA_64BIT_PTR 3730 else if (pkt->entry_type == COMMAND_A64_TYPE) { 3731 printk(KERN_WARNING "!qla1280: Error Entry invalid handle"); 3732 } 3733#endif 3734 3735 LEAVE("qla1280_error_entry"); 3736} 3737 3738/* 3739 * qla1280_abort_isp 3740 * Resets ISP and aborts all outstanding commands. 3741 * 3742 * Input: 3743 * ha = adapter block pointer. 3744 * 3745 * Returns: 3746 * 0 = success 3747 */ 3748static int 3749qla1280_abort_isp(struct scsi_qla_host *ha) 3750{ 3751 struct device_reg __iomem *reg = ha->iobase; 3752 struct srb *sp; 3753 int status = 0; 3754 int cnt; 3755 int bus; 3756 3757 ENTER("qla1280_abort_isp"); 3758 3759 if (ha->flags.abort_isp_active || !ha->flags.online) 3760 goto out; 3761 3762 ha->flags.abort_isp_active = 1; 3763 3764 /* Disable ISP interrupts. */ 3765 qla1280_disable_intrs(ha); 3766 WRT_REG_WORD(®->host_cmd, HC_PAUSE_RISC); 3767 RD_REG_WORD(®->id_l); 3768 3769 printk(KERN_INFO "scsi(%li): dequeuing outstanding commands\n", 3770 ha->host_no); 3771 /* Dequeue all commands in outstanding command list. */ 3772 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { 3773 struct scsi_cmnd *cmd; 3774 sp = ha->outstanding_cmds[cnt]; 3775 if (sp) { 3776 cmd = sp->cmd; 3777 CMD_RESULT(cmd) = DID_RESET << 16; 3778 CMD_HANDLE(cmd) = COMPLETED_HANDLE; 3779 ha->outstanding_cmds[cnt] = NULL; 3780 list_add_tail(&sp->list, &ha->done_q); 3781 } 3782 } 3783 3784 qla1280_done(ha); 3785 3786 status = qla1280_load_firmware(ha); 3787 if (status) 3788 goto out; 3789 3790 /* Setup adapter based on NVRAM parameters. */ 3791 qla1280_nvram_config (ha); 3792 3793 status = qla1280_init_rings(ha); 3794 if (status) 3795 goto out; 3796 3797 /* Issue SCSI reset. */ 3798 for (bus = 0; bus < ha->ports; bus++) 3799 qla1280_bus_reset(ha, bus); 3800 3801 ha->flags.abort_isp_active = 0; 3802 out: 3803 if (status) { 3804 printk(KERN_WARNING 3805 "qla1280: ISP error recovery failed, board disabled"); 3806 qla1280_reset_adapter(ha); 3807 dprintk(2, "qla1280_abort_isp: **** FAILED ****\n"); 3808 } 3809 3810 LEAVE("qla1280_abort_isp"); 3811 return status; 3812} 3813 3814 3815/* 3816 * qla1280_debounce_register 3817 * Debounce register. 3818 * 3819 * Input: 3820 * port = register address. 3821 * 3822 * Returns: 3823 * register value. 3824 */ 3825static u16 3826qla1280_debounce_register(volatile u16 __iomem * addr) 3827{ 3828 volatile u16 ret; 3829 volatile u16 ret2; 3830 3831 ret = RD_REG_WORD(addr); 3832 ret2 = RD_REG_WORD(addr); 3833 3834 if (ret == ret2) 3835 return ret; 3836 3837 do { 3838 cpu_relax(); 3839 ret = RD_REG_WORD(addr); 3840 ret2 = RD_REG_WORD(addr); 3841 } while (ret != ret2); 3842 3843 return ret; 3844} 3845 3846 3847/************************************************************************ 3848 * qla1280_check_for_dead_scsi_bus * 3849 * * 3850 * This routine checks for a dead SCSI bus * 3851 ************************************************************************/ 3852#define SET_SXP_BANK 0x0100 3853#define SCSI_PHASE_INVALID 0x87FF 3854static int 3855qla1280_check_for_dead_scsi_bus(struct scsi_qla_host *ha, unsigned int bus) 3856{ 3857 uint16_t config_reg, scsi_control; 3858 struct device_reg __iomem *reg = ha->iobase; 3859 3860 if (ha->bus_settings[bus].scsi_bus_dead) { 3861 WRT_REG_WORD(®->host_cmd, HC_PAUSE_RISC); 3862 config_reg = RD_REG_WORD(®->cfg_1); 3863 WRT_REG_WORD(®->cfg_1, SET_SXP_BANK); 3864 scsi_control = RD_REG_WORD(®->scsiControlPins); 3865 WRT_REG_WORD(®->cfg_1, config_reg); 3866 WRT_REG_WORD(®->host_cmd, HC_RELEASE_RISC); 3867 3868 if (scsi_control == SCSI_PHASE_INVALID) { 3869 ha->bus_settings[bus].scsi_bus_dead = 1; 3870 return 1; /* bus is dead */ 3871 } else { 3872 ha->bus_settings[bus].scsi_bus_dead = 0; 3873 ha->bus_settings[bus].failed_reset_count = 0; 3874 } 3875 } 3876 return 0; /* bus is not dead */ 3877} 3878 3879static void 3880qla1280_get_target_parameters(struct scsi_qla_host *ha, 3881 struct scsi_device *device) 3882{ 3883 uint16_t mb[MAILBOX_REGISTER_COUNT]; 3884 int bus, target, lun; 3885 3886 bus = device->channel; 3887 target = device->id; 3888 lun = device->lun; 3889 3890 3891 mb[0] = MBC_GET_TARGET_PARAMETERS; 3892 mb[1] = (uint16_t) (bus ? target | BIT_7 : target); 3893 mb[1] <<= 8; 3894 qla1280_mailbox_command(ha, BIT_6 | BIT_3 | BIT_2 | BIT_1 | BIT_0, 3895 &mb[0]); 3896 3897 printk(KERN_INFO "scsi(%li:%d:%d:%d):", ha->host_no, bus, target, lun); 3898 3899 if (mb[3] != 0) { 3900 printk(KERN_CONT " Sync: period %d, offset %d", 3901 (mb[3] & 0xff), (mb[3] >> 8)); 3902 if (mb[2] & BIT_13) 3903 printk(KERN_CONT ", Wide"); 3904 if ((mb[2] & BIT_5) && ((mb[6] >> 8) & 0xff) >= 2) 3905 printk(KERN_CONT ", DT"); 3906 } else 3907 printk(KERN_CONT " Async"); 3908 3909 if (device->simple_tags) 3910 printk(KERN_CONT ", Tagged queuing: depth %d", device->queue_depth); 3911 printk(KERN_CONT "\n"); 3912} 3913 3914 3915#if DEBUG_QLA1280 3916static void 3917__qla1280_dump_buffer(char *b, int size) 3918{ 3919 int cnt; 3920 u8 c; 3921 3922 printk(KERN_DEBUG " 0 1 2 3 4 5 6 7 8 9 Ah " 3923 "Bh Ch Dh Eh Fh\n"); 3924 printk(KERN_DEBUG "---------------------------------------------" 3925 "------------------\n"); 3926 3927 for (cnt = 0; cnt < size;) { 3928 c = *b++; 3929 3930 printk("0x%02x", c); 3931 cnt++; 3932 if (!(cnt % 16)) 3933 printk("\n"); 3934 else 3935 printk(" "); 3936 } 3937 if (cnt % 16) 3938 printk("\n"); 3939} 3940 3941/************************************************************************** 3942 * ql1280_print_scsi_cmd 3943 * 3944 **************************************************************************/ 3945static void 3946__qla1280_print_scsi_cmd(struct scsi_cmnd *cmd) 3947{ 3948 struct scsi_qla_host *ha; 3949 struct Scsi_Host *host = CMD_HOST(cmd); 3950 struct srb *sp; 3951 /* struct scatterlist *sg; */ 3952 3953 int i; 3954 ha = (struct scsi_qla_host *)host->hostdata; 3955 3956 sp = scsi_cmd_priv(cmd); 3957 printk("SCSI Command @= 0x%p, Handle=0x%p\n", cmd, CMD_HANDLE(cmd)); 3958 printk(" chan=%d, target = 0x%02x, lun = 0x%02llx, cmd_len = 0x%02x\n", 3959 SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), SCSI_LUN_32(cmd), 3960 CMD_CDBLEN(cmd)); 3961 printk(" CDB = "); 3962 for (i = 0; i < cmd->cmd_len; i++) { 3963 printk("0x%02x ", cmd->cmnd[i]); 3964 } 3965 printk(" seg_cnt =%d\n", scsi_sg_count(cmd)); 3966 printk(" request buffer=0x%p, request buffer len=0x%x\n", 3967 scsi_sglist(cmd), scsi_bufflen(cmd)); 3968 /* if (cmd->use_sg) 3969 { 3970 sg = (struct scatterlist *) cmd->request_buffer; 3971 printk(" SG buffer: \n"); 3972 qla1280_dump_buffer(1, (char *)sg, (cmd->use_sg*sizeof(struct scatterlist))); 3973 } */ 3974 printk(" tag=%d, transfersize=0x%x \n", 3975 scsi_cmd_to_rq(cmd)->tag, cmd->transfersize); 3976 printk(" underflow size = 0x%x, direction=0x%x\n", 3977 cmd->underflow, cmd->sc_data_direction); 3978} 3979#endif 3980 3981 3982enum tokens { 3983 TOKEN_NVRAM, 3984 TOKEN_SYNC, 3985 TOKEN_WIDE, 3986 TOKEN_PPR, 3987 TOKEN_VERBOSE, 3988 TOKEN_DEBUG, 3989}; 3990 3991struct setup_tokens { 3992 char *token; 3993 int val; 3994}; 3995 3996static struct setup_tokens setup_token[] __initdata = 3997{ 3998 { "nvram", TOKEN_NVRAM }, 3999 { "sync", TOKEN_SYNC }, 4000 { "wide", TOKEN_WIDE }, 4001 { "ppr", TOKEN_PPR }, 4002 { "verbose", TOKEN_VERBOSE }, 4003 { "debug", TOKEN_DEBUG }, 4004}; 4005 4006 4007/************************************************************************** 4008 * qla1280_setup 4009 * 4010 * Handle boot parameters. This really needs to be changed so one 4011 * can specify per adapter parameters. 4012 **************************************************************************/ 4013static int __init 4014qla1280_setup(char *s) 4015{ 4016 char *cp, *ptr; 4017 unsigned long val; 4018 4019 cp = s; 4020 4021 while (cp && (ptr = strchr(cp, ':'))) { 4022 ptr++; 4023 if (!strcmp(ptr, "yes")) { 4024 val = 0x10000; 4025 ptr += 3; 4026 } else if (!strcmp(ptr, "no")) { 4027 val = 0; 4028 ptr += 2; 4029 } else 4030 val = simple_strtoul(ptr, &ptr, 0); 4031 4032 switch (qla1280_get_token(cp)) { 4033 case TOKEN_NVRAM: 4034 if (!val) 4035 driver_setup.no_nvram = 1; 4036 break; 4037 case TOKEN_SYNC: 4038 if (!val) 4039 driver_setup.no_sync = 1; 4040 else if (val != 0x10000) 4041 driver_setup.sync_mask = val; 4042 break; 4043 case TOKEN_WIDE: 4044 if (!val) 4045 driver_setup.no_wide = 1; 4046 else if (val != 0x10000) 4047 driver_setup.wide_mask = val; 4048 break; 4049 case TOKEN_PPR: 4050 if (!val) 4051 driver_setup.no_ppr = 1; 4052 else if (val != 0x10000) 4053 driver_setup.ppr_mask = val; 4054 break; 4055 case TOKEN_VERBOSE: 4056 qla1280_verbose = val; 4057 break; 4058 default: 4059 printk(KERN_INFO "qla1280: unknown boot option %s\n", 4060 cp); 4061 } 4062 4063 cp = strchr(ptr, ';'); 4064 if (cp) 4065 cp++; 4066 else { 4067 break; 4068 } 4069 } 4070 return 1; 4071} 4072 4073 4074static int __init 4075qla1280_get_token(char *str) 4076{ 4077 char *sep; 4078 long ret = -1; 4079 int i; 4080 4081 sep = strchr(str, ':'); 4082 4083 if (sep) { 4084 for (i = 0; i < ARRAY_SIZE(setup_token); i++) { 4085 if (!strncmp(setup_token[i].token, str, (sep - str))) { 4086 ret = setup_token[i].val; 4087 break; 4088 } 4089 } 4090 } 4091 4092 return ret; 4093} 4094 4095 4096static const struct scsi_host_template qla1280_driver_template = { 4097 .module = THIS_MODULE, 4098 .proc_name = "qla1280", 4099 .name = "Qlogic ISP 1280/12160", 4100 .info = qla1280_info, 4101 .sdev_configure = qla1280_sdev_configure, 4102 .queuecommand = qla1280_queuecommand, 4103 .eh_abort_handler = qla1280_eh_abort, 4104 .eh_device_reset_handler= qla1280_eh_device_reset, 4105 .eh_bus_reset_handler = qla1280_eh_bus_reset, 4106 .eh_host_reset_handler = qla1280_eh_adapter_reset, 4107 .bios_param = qla1280_biosparam, 4108 .can_queue = MAX_OUTSTANDING_COMMANDS, 4109 .this_id = -1, 4110 .sg_tablesize = SG_ALL, 4111 .cmd_size = sizeof(struct srb), 4112}; 4113 4114 4115static int 4116qla1280_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) 4117{ 4118 int devnum = id->driver_data; 4119 struct qla_boards *bdp = &ql1280_board_tbl[devnum]; 4120 struct Scsi_Host *host; 4121 struct scsi_qla_host *ha; 4122 int error = -ENODEV; 4123 4124 /* Bypass all AMI SUBSYS VENDOR IDs */ 4125 if (pdev->subsystem_vendor == PCI_VENDOR_ID_AMI) { 4126 printk(KERN_INFO 4127 "qla1280: Skipping AMI SubSys Vendor ID Chip\n"); 4128 goto error; 4129 } 4130 4131 printk(KERN_INFO "qla1280: %s found on PCI bus %i, dev %i\n", 4132 bdp->name, pdev->bus->number, PCI_SLOT(pdev->devfn)); 4133 4134 if (pci_enable_device(pdev)) { 4135 printk(KERN_WARNING 4136 "qla1280: Failed to enabled pci device, aborting.\n"); 4137 goto error; 4138 } 4139 4140 pci_set_master(pdev); 4141 4142 error = -ENOMEM; 4143 host = scsi_host_alloc(&qla1280_driver_template, sizeof(*ha)); 4144 if (!host) { 4145 printk(KERN_WARNING 4146 "qla1280: Failed to register host, aborting.\n"); 4147 goto error_disable_device; 4148 } 4149 4150 ha = (struct scsi_qla_host *)host->hostdata; 4151 memset(ha, 0, sizeof(struct scsi_qla_host)); 4152 4153 ha->pdev = pdev; 4154 ha->devnum = devnum; /* specifies microcode load address */ 4155 4156#ifdef QLA_64BIT_PTR 4157 if (dma_set_mask_and_coherent(&ha->pdev->dev, DMA_BIT_MASK(64))) { 4158 if (dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32))) { 4159 printk(KERN_WARNING "scsi(%li): Unable to set a " 4160 "suitable DMA mask - aborting\n", ha->host_no); 4161 error = -ENODEV; 4162 goto error_put_host; 4163 } 4164 } else 4165 dprintk(2, "scsi(%li): 64 Bit PCI Addressing Enabled\n", 4166 ha->host_no); 4167#else 4168 if (dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32))) { 4169 printk(KERN_WARNING "scsi(%li): Unable to set a " 4170 "suitable DMA mask - aborting\n", ha->host_no); 4171 error = -ENODEV; 4172 goto error_put_host; 4173 } 4174#endif 4175 4176 ha->request_ring = dma_alloc_coherent(&ha->pdev->dev, 4177 ((REQUEST_ENTRY_CNT + 1) * sizeof(request_t)), 4178 &ha->request_dma, GFP_KERNEL); 4179 if (!ha->request_ring) { 4180 printk(KERN_INFO "qla1280: Failed to get request memory\n"); 4181 goto error_put_host; 4182 } 4183 4184 ha->response_ring = dma_alloc_coherent(&ha->pdev->dev, 4185 ((RESPONSE_ENTRY_CNT + 1) * sizeof(struct response)), 4186 &ha->response_dma, GFP_KERNEL); 4187 if (!ha->response_ring) { 4188 printk(KERN_INFO "qla1280: Failed to get response memory\n"); 4189 goto error_free_request_ring; 4190 } 4191 4192 ha->ports = bdp->numPorts; 4193 4194 ha->host = host; 4195 ha->host_no = host->host_no; 4196 4197 host->irq = pdev->irq; 4198 host->max_channel = bdp->numPorts - 1; 4199 host->max_lun = MAX_LUNS - 1; 4200 host->max_id = MAX_TARGETS; 4201 host->max_sectors = 1024; 4202 host->unique_id = host->host_no; 4203 4204 error = -ENODEV; 4205 4206#if MEMORY_MAPPED_IO 4207 ha->mmpbase = pci_ioremap_bar(ha->pdev, 1); 4208 if (!ha->mmpbase) { 4209 printk(KERN_INFO "qla1280: Unable to map I/O memory\n"); 4210 goto error_free_response_ring; 4211 } 4212 4213 host->base = (unsigned long)ha->mmpbase; 4214 ha->iobase = (struct device_reg __iomem *)ha->mmpbase; 4215#else 4216 host->io_port = pci_resource_start(ha->pdev, 0); 4217 if (!request_region(host->io_port, 0xff, "qla1280")) { 4218 printk(KERN_INFO "qla1280: Failed to reserve i/o region " 4219 "0x%04lx-0x%04lx - already in use\n", 4220 host->io_port, host->io_port + 0xff); 4221 goto error_free_response_ring; 4222 } 4223 4224 ha->iobase = (struct device_reg *)host->io_port; 4225#endif 4226 4227 INIT_LIST_HEAD(&ha->done_q); 4228 4229 /* Disable ISP interrupts. */ 4230 qla1280_disable_intrs(ha); 4231 4232 if (request_irq(pdev->irq, qla1280_intr_handler, IRQF_SHARED, 4233 "qla1280", ha)) { 4234 printk("qla1280 : Failed to reserve interrupt %d already " 4235 "in use\n", pdev->irq); 4236 goto error_release_region; 4237 } 4238 4239 /* load the F/W, read paramaters, and init the H/W */ 4240 if (qla1280_initialize_adapter(ha)) { 4241 printk(KERN_INFO "qla1x160: Failed to initialize adapter\n"); 4242 goto error_free_irq; 4243 } 4244 4245 /* set our host ID (need to do something about our two IDs) */ 4246 host->this_id = ha->bus_settings[0].id; 4247 4248 pci_set_drvdata(pdev, host); 4249 4250 error = scsi_add_host(host, &pdev->dev); 4251 if (error) 4252 goto error_disable_adapter; 4253 scsi_scan_host(host); 4254 4255 return 0; 4256 4257 error_disable_adapter: 4258 qla1280_disable_intrs(ha); 4259 error_free_irq: 4260 free_irq(pdev->irq, ha); 4261 error_release_region: 4262#if MEMORY_MAPPED_IO 4263 iounmap(ha->mmpbase); 4264#else 4265 release_region(host->io_port, 0xff); 4266#endif 4267 error_free_response_ring: 4268 dma_free_coherent(&ha->pdev->dev, 4269 ((RESPONSE_ENTRY_CNT + 1) * sizeof(struct response)), 4270 ha->response_ring, ha->response_dma); 4271 error_free_request_ring: 4272 dma_free_coherent(&ha->pdev->dev, 4273 ((REQUEST_ENTRY_CNT + 1) * sizeof(request_t)), 4274 ha->request_ring, ha->request_dma); 4275 error_put_host: 4276 scsi_host_put(host); 4277 error_disable_device: 4278 pci_disable_device(pdev); 4279 error: 4280 return error; 4281} 4282 4283 4284static void 4285qla1280_remove_one(struct pci_dev *pdev) 4286{ 4287 struct Scsi_Host *host = pci_get_drvdata(pdev); 4288 struct scsi_qla_host *ha = (struct scsi_qla_host *)host->hostdata; 4289 4290 scsi_remove_host(host); 4291 4292 qla1280_disable_intrs(ha); 4293 4294 free_irq(pdev->irq, ha); 4295 4296#if MEMORY_MAPPED_IO 4297 iounmap(ha->mmpbase); 4298#else 4299 release_region(host->io_port, 0xff); 4300#endif 4301 4302 dma_free_coherent(&ha->pdev->dev, 4303 ((REQUEST_ENTRY_CNT + 1) * (sizeof(request_t))), 4304 ha->request_ring, ha->request_dma); 4305 dma_free_coherent(&ha->pdev->dev, 4306 ((RESPONSE_ENTRY_CNT + 1) * (sizeof(struct response))), 4307 ha->response_ring, ha->response_dma); 4308 4309 pci_disable_device(pdev); 4310 4311 scsi_host_put(host); 4312} 4313 4314static struct pci_driver qla1280_pci_driver = { 4315 .name = "qla1280", 4316 .id_table = qla1280_pci_tbl, 4317 .probe = qla1280_probe_one, 4318 .remove = qla1280_remove_one, 4319}; 4320 4321static int __init 4322qla1280_init(void) 4323{ 4324#ifdef MODULE 4325 /* 4326 * If we are called as a module, the qla1280 pointer may not be null 4327 * and it would point to our bootup string, just like on the lilo 4328 * command line. IF not NULL, then process this config string with 4329 * qla1280_setup 4330 * 4331 * Boot time Options 4332 * To add options at boot time add a line to your lilo.conf file like: 4333 * append="qla1280=verbose,max_tags:{{255,255,255,255},{255,255,255,255}}" 4334 * which will result in the first four devices on the first two 4335 * controllers being set to a tagged queue depth of 32. 4336 */ 4337 if (qla1280) 4338 qla1280_setup(qla1280); 4339#endif 4340 4341 return pci_register_driver(&qla1280_pci_driver); 4342} 4343 4344static void __exit 4345qla1280_exit(void) 4346{ 4347 int i; 4348 4349 pci_unregister_driver(&qla1280_pci_driver); 4350 /* release any allocated firmware images */ 4351 for (i = 0; i < QL_NUM_FW_IMAGES; i++) { 4352 release_firmware(qla1280_fw_tbl[i].fw); 4353 qla1280_fw_tbl[i].fw = NULL; 4354 } 4355} 4356 4357module_init(qla1280_init); 4358module_exit(qla1280_exit); 4359 4360MODULE_AUTHOR("Qlogic & Jes Sorensen"); 4361MODULE_DESCRIPTION("Qlogic ISP SCSI (qla1x80/qla1x160) driver"); 4362MODULE_LICENSE("GPL"); 4363MODULE_FIRMWARE("qlogic/1040.bin"); 4364MODULE_FIRMWARE("qlogic/1280.bin"); 4365MODULE_FIRMWARE("qlogic/12160.bin"); 4366MODULE_VERSION(QLA1280_VERSION);
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