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) 384 385 386 static int qla1280_probe_one(struct pci_dev *, const struct pci_device_id *); 387 static void qla1280_remove_one(struct pci_dev *); 388 389 /* 390 * QLogic Driver Support Function Prototypes. 391 */ 392 static void qla1280_done(struct scsi_qla_host *); 393 static int qla1280_get_token(char *); 394 static int qla1280_setup(char *s) __init; 395 396 /* 397 * QLogic ISP1280 Hardware Support Function Prototypes. 398 */ 399 static int qla1280_load_firmware(struct scsi_qla_host *); 400 static int qla1280_init_rings(struct scsi_qla_host *); 401 static int qla1280_nvram_config(struct scsi_qla_host *); 402 static int qla1280_mailbox_command(struct scsi_qla_host *, 403 uint8_t, uint16_t *); 404 static int qla1280_bus_reset(struct scsi_qla_host *, int); 405 static int qla1280_device_reset(struct scsi_qla_host *, int, int); 406 static int qla1280_abort_command(struct scsi_qla_host *, struct srb *, int); 407 static int qla1280_abort_isp(struct scsi_qla_host *); 408 #ifdef QLA_64BIT_PTR 409 static int qla1280_64bit_start_scsi(struct scsi_qla_host *, struct srb *); 410 #else 411 static int qla1280_32bit_start_scsi(struct scsi_qla_host *, struct srb *); 412 #endif 413 static void qla1280_nv_write(struct scsi_qla_host *, uint16_t); 414 static void qla1280_poll(struct scsi_qla_host *); 415 static void qla1280_reset_adapter(struct scsi_qla_host *); 416 static void qla1280_marker(struct scsi_qla_host *, int, int, int, u8); 417 static void qla1280_isp_cmd(struct scsi_qla_host *); 418 static void qla1280_isr(struct scsi_qla_host *, struct list_head *); 419 static void qla1280_rst_aen(struct scsi_qla_host *); 420 static void qla1280_status_entry(struct scsi_qla_host *, struct response *, 421 struct list_head *); 422 static void qla1280_error_entry(struct scsi_qla_host *, struct response *, 423 struct list_head *); 424 static uint16_t qla1280_get_nvram_word(struct scsi_qla_host *, uint32_t); 425 static uint16_t qla1280_nvram_request(struct scsi_qla_host *, uint32_t); 426 static uint16_t qla1280_debounce_register(volatile uint16_t __iomem *); 427 static request_t *qla1280_req_pkt(struct scsi_qla_host *); 428 static int qla1280_check_for_dead_scsi_bus(struct scsi_qla_host *, 429 unsigned int); 430 static void qla1280_get_target_parameters(struct scsi_qla_host *, 431 struct scsi_device *); 432 static int qla1280_set_target_parameters(struct scsi_qla_host *, int, int); 433 434 435 static struct qla_driver_setup driver_setup; 436 437 /* 438 * convert scsi data direction to request_t control flags 439 */ 440 static inline uint16_t 441 qla1280_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 462 static void __qla1280_print_scsi_cmd(struct scsi_cmnd * cmd); 463 static 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 471 static char *qla1280; 472 473 /* insmod qla1280 options=verbose" */ 474 module_param(qla1280, charp, 0); 475 #else 476 __setup("qla1280=", qla1280_setup); 477 #endif 478 479 480 /* 481 * We use the scsi_pointer structure that's included with each scsi_command 482 * to overlay our struct srb over it. qla1280_init() checks that a srb is not 483 * bigger than a scsi_pointer. 484 */ 485 486 #define CMD_SP(Cmnd) &Cmnd->SCp 487 #define CMD_CDBLEN(Cmnd) Cmnd->cmd_len 488 #define CMD_CDBP(Cmnd) Cmnd->cmnd 489 #define CMD_SNSP(Cmnd) Cmnd->sense_buffer 490 #define CMD_SNSLEN(Cmnd) SCSI_SENSE_BUFFERSIZE 491 #define CMD_RESULT(Cmnd) Cmnd->result 492 #define CMD_HANDLE(Cmnd) Cmnd->host_scribble 493 #define CMD_REQUEST(Cmnd) Cmnd->request->cmd 494 495 #define CMD_HOST(Cmnd) Cmnd->device->host 496 #define SCSI_BUS_32(Cmnd) Cmnd->device->channel 497 #define SCSI_TCN_32(Cmnd) Cmnd->device->id 498 #define SCSI_LUN_32(Cmnd) Cmnd->device->lun 499 500 501 /*****************************************/ 502 /* ISP Boards supported by this driver */ 503 /*****************************************/ 504 505 struct qla_boards { 506 char *name; /* Board ID String */ 507 int numPorts; /* Number of SCSI ports */ 508 int fw_index; /* index into qla1280_fw_tbl for firmware */ 509 }; 510 511 /* NOTE: the last argument in each entry is used to index ql1280_board_tbl */ 512 static struct pci_device_id qla1280_pci_tbl[] = { 513 {PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP12160, 514 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, 515 {PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP1020, 516 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1}, 517 {PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP1080, 518 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2}, 519 {PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP1240, 520 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3}, 521 {PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP1280, 522 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4}, 523 {PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP10160, 524 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 5}, 525 {0,} 526 }; 527 MODULE_DEVICE_TABLE(pci, qla1280_pci_tbl); 528 529 static DEFINE_MUTEX(qla1280_firmware_mutex); 530 531 struct qla_fw { 532 char *fwname; 533 const struct firmware *fw; 534 }; 535 536 #define QL_NUM_FW_IMAGES 3 537 538 static struct qla_fw qla1280_fw_tbl[QL_NUM_FW_IMAGES] = { 539 {"qlogic/1040.bin", NULL}, /* image 0 */ 540 {"qlogic/1280.bin", NULL}, /* image 1 */ 541 {"qlogic/12160.bin", NULL}, /* image 2 */ 542 }; 543 544 /* NOTE: Order of boards in this table must match order in qla1280_pci_tbl */ 545 static struct qla_boards ql1280_board_tbl[] = { 546 {.name = "QLA12160", .numPorts = 2, .fw_index = 2}, 547 {.name = "QLA1040" , .numPorts = 1, .fw_index = 0}, 548 {.name = "QLA1080" , .numPorts = 1, .fw_index = 1}, 549 {.name = "QLA1240" , .numPorts = 2, .fw_index = 1}, 550 {.name = "QLA1280" , .numPorts = 2, .fw_index = 1}, 551 {.name = "QLA10160", .numPorts = 1, .fw_index = 2}, 552 {.name = " ", .numPorts = 0, .fw_index = -1}, 553 }; 554 555 static int qla1280_verbose = 1; 556 557 #if DEBUG_QLA1280 558 static int ql_debug_level = 1; 559 #define dprintk(level, format, a...) \ 560 do { if (ql_debug_level >= level) printk(KERN_ERR format, ##a); } while(0) 561 #define qla1280_dump_buffer(level, buf, size) \ 562 if (ql_debug_level >= level) __qla1280_dump_buffer(buf, size) 563 #define qla1280_print_scsi_cmd(level, cmd) \ 564 if (ql_debug_level >= level) __qla1280_print_scsi_cmd(cmd) 565 #else 566 #define ql_debug_level 0 567 #define dprintk(level, format, a...) do{}while(0) 568 #define qla1280_dump_buffer(a, b, c) do{}while(0) 569 #define qla1280_print_scsi_cmd(a, b) do{}while(0) 570 #endif 571 572 #define ENTER(x) dprintk(3, "qla1280 : Entering %s()\n", x); 573 #define LEAVE(x) dprintk(3, "qla1280 : Leaving %s()\n", x); 574 #define ENTER_INTR(x) dprintk(4, "qla1280 : Entering %s()\n", x); 575 #define LEAVE_INTR(x) dprintk(4, "qla1280 : Leaving %s()\n", x); 576 577 578 static int qla1280_read_nvram(struct scsi_qla_host *ha) 579 { 580 uint16_t *wptr; 581 uint8_t chksum; 582 int cnt, i; 583 struct nvram *nv; 584 585 ENTER("qla1280_read_nvram"); 586 587 if (driver_setup.no_nvram) 588 return 1; 589 590 printk(KERN_INFO "scsi(%ld): Reading NVRAM\n", ha->host_no); 591 592 wptr = (uint16_t *)&ha->nvram; 593 nv = &ha->nvram; 594 chksum = 0; 595 for (cnt = 0; cnt < 3; cnt++) { 596 *wptr = qla1280_get_nvram_word(ha, cnt); 597 chksum += *wptr & 0xff; 598 chksum += (*wptr >> 8) & 0xff; 599 wptr++; 600 } 601 602 if (nv->id0 != 'I' || nv->id1 != 'S' || 603 nv->id2 != 'P' || nv->id3 != ' ' || nv->version < 1) { 604 dprintk(2, "Invalid nvram ID or version!\n"); 605 chksum = 1; 606 } else { 607 for (; cnt < sizeof(struct nvram); cnt++) { 608 *wptr = qla1280_get_nvram_word(ha, cnt); 609 chksum += *wptr & 0xff; 610 chksum += (*wptr >> 8) & 0xff; 611 wptr++; 612 } 613 } 614 615 dprintk(3, "qla1280_read_nvram: NVRAM Magic ID= %c %c %c %02x" 616 " version %i\n", nv->id0, nv->id1, nv->id2, nv->id3, 617 nv->version); 618 619 620 if (chksum) { 621 if (!driver_setup.no_nvram) 622 printk(KERN_WARNING "scsi(%ld): Unable to identify or " 623 "validate NVRAM checksum, using default " 624 "settings\n", ha->host_no); 625 ha->nvram_valid = 0; 626 } else 627 ha->nvram_valid = 1; 628 629 /* The firmware interface is, um, interesting, in that the 630 * actual firmware image on the chip is little endian, thus, 631 * the process of taking that image to the CPU would end up 632 * little endian. However, the firmware interface requires it 633 * to be read a word (two bytes) at a time. 634 * 635 * The net result of this would be that the word (and 636 * doubleword) quantites in the firmware would be correct, but 637 * the bytes would be pairwise reversed. Since most of the 638 * firmware quantites are, in fact, bytes, we do an extra 639 * le16_to_cpu() in the firmware read routine. 640 * 641 * The upshot of all this is that the bytes in the firmware 642 * are in the correct places, but the 16 and 32 bit quantites 643 * are still in little endian format. We fix that up below by 644 * doing extra reverses on them */ 645 nv->isp_parameter = cpu_to_le16(nv->isp_parameter); 646 nv->firmware_feature.w = cpu_to_le16(nv->firmware_feature.w); 647 for(i = 0; i < MAX_BUSES; i++) { 648 nv->bus[i].selection_timeout = cpu_to_le16(nv->bus[i].selection_timeout); 649 nv->bus[i].max_queue_depth = cpu_to_le16(nv->bus[i].max_queue_depth); 650 } 651 dprintk(1, "qla1280_read_nvram: Completed Reading NVRAM\n"); 652 LEAVE("qla1280_read_nvram"); 653 654 return chksum; 655 } 656 657 /************************************************************************** 658 * qla1280_info 659 * Return a string describing the driver. 660 **************************************************************************/ 661 static const char * 662 qla1280_info(struct Scsi_Host *host) 663 { 664 static char qla1280_scsi_name_buffer[125]; 665 char *bp; 666 struct scsi_qla_host *ha; 667 struct qla_boards *bdp; 668 669 bp = &qla1280_scsi_name_buffer[0]; 670 ha = (struct scsi_qla_host *)host->hostdata; 671 bdp = &ql1280_board_tbl[ha->devnum]; 672 memset(bp, 0, sizeof(qla1280_scsi_name_buffer)); 673 674 sprintf (bp, 675 "QLogic %s PCI to SCSI Host Adapter\n" 676 " Firmware version: %2d.%02d.%02d, Driver version %s", 677 &bdp->name[0], ha->fwver1, ha->fwver2, ha->fwver3, 678 QLA1280_VERSION); 679 return bp; 680 } 681 682 /************************************************************************** 683 * qla1280_queuecommand 684 * Queue a command to the controller. 685 * 686 * Note: 687 * The mid-level driver tries to ensures that queuecommand never gets invoked 688 * concurrently with itself or the interrupt handler (although the 689 * interrupt handler may call this routine as part of request-completion 690 * handling). Unfortunely, it sometimes calls the scheduler in interrupt 691 * context which is a big NO! NO!. 692 **************************************************************************/ 693 static int 694 qla1280_queuecommand_lck(struct scsi_cmnd *cmd, void (*fn)(struct scsi_cmnd *)) 695 { 696 struct Scsi_Host *host = cmd->device->host; 697 struct scsi_qla_host *ha = (struct scsi_qla_host *)host->hostdata; 698 struct srb *sp = (struct srb *)CMD_SP(cmd); 699 int status; 700 701 cmd->scsi_done = fn; 702 sp->cmd = cmd; 703 sp->flags = 0; 704 sp->wait = NULL; 705 CMD_HANDLE(cmd) = (unsigned char *)NULL; 706 707 qla1280_print_scsi_cmd(5, cmd); 708 709 #ifdef QLA_64BIT_PTR 710 /* 711 * Using 64 bit commands if the PCI bridge doesn't support it is a 712 * bit wasteful, however this should really only happen if one's 713 * PCI controller is completely broken, like the BCM1250. For 714 * sane hardware this is not an issue. 715 */ 716 status = qla1280_64bit_start_scsi(ha, sp); 717 #else 718 status = qla1280_32bit_start_scsi(ha, sp); 719 #endif 720 return status; 721 } 722 723 static DEF_SCSI_QCMD(qla1280_queuecommand) 724 725 enum action { 726 ABORT_COMMAND, 727 DEVICE_RESET, 728 BUS_RESET, 729 ADAPTER_RESET, 730 }; 731 732 733 static void qla1280_mailbox_timeout(struct timer_list *t) 734 { 735 struct scsi_qla_host *ha = from_timer(ha, t, mailbox_timer); 736 struct device_reg __iomem *reg; 737 reg = ha->iobase; 738 739 ha->mailbox_out[0] = RD_REG_WORD(®->mailbox0); 740 printk(KERN_ERR "scsi(%ld): mailbox timed out, mailbox0 %04x, " 741 "ictrl %04x, istatus %04x\n", ha->host_no, ha->mailbox_out[0], 742 RD_REG_WORD(®->ictrl), RD_REG_WORD(®->istatus)); 743 complete(ha->mailbox_wait); 744 } 745 746 static int 747 _qla1280_wait_for_single_command(struct scsi_qla_host *ha, struct srb *sp, 748 struct completion *wait) 749 { 750 int status = FAILED; 751 struct scsi_cmnd *cmd = sp->cmd; 752 753 spin_unlock_irq(ha->host->host_lock); 754 wait_for_completion_timeout(wait, 4*HZ); 755 spin_lock_irq(ha->host->host_lock); 756 sp->wait = NULL; 757 if(CMD_HANDLE(cmd) == COMPLETED_HANDLE) { 758 status = SUCCESS; 759 (*cmd->scsi_done)(cmd); 760 } 761 return status; 762 } 763 764 static int 765 qla1280_wait_for_single_command(struct scsi_qla_host *ha, struct srb *sp) 766 { 767 DECLARE_COMPLETION_ONSTACK(wait); 768 769 sp->wait = &wait; 770 return _qla1280_wait_for_single_command(ha, sp, &wait); 771 } 772 773 static int 774 qla1280_wait_for_pending_commands(struct scsi_qla_host *ha, int bus, int target) 775 { 776 int cnt; 777 int status; 778 struct srb *sp; 779 struct scsi_cmnd *cmd; 780 781 status = SUCCESS; 782 783 /* 784 * Wait for all commands with the designated bus/target 785 * to be completed by the firmware 786 */ 787 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { 788 sp = ha->outstanding_cmds[cnt]; 789 if (sp) { 790 cmd = sp->cmd; 791 792 if (bus >= 0 && SCSI_BUS_32(cmd) != bus) 793 continue; 794 if (target >= 0 && SCSI_TCN_32(cmd) != target) 795 continue; 796 797 status = qla1280_wait_for_single_command(ha, sp); 798 if (status == FAILED) 799 break; 800 } 801 } 802 return status; 803 } 804 805 /************************************************************************** 806 * qla1280_error_action 807 * The function will attempt to perform a specified error action and 808 * wait for the results (or time out). 809 * 810 * Input: 811 * cmd = Linux SCSI command packet of the command that cause the 812 * bus reset. 813 * action = error action to take (see action_t) 814 * 815 * Returns: 816 * SUCCESS or FAILED 817 * 818 **************************************************************************/ 819 static int 820 qla1280_error_action(struct scsi_cmnd *cmd, enum action action) 821 { 822 struct scsi_qla_host *ha; 823 int bus, target, lun; 824 struct srb *sp; 825 int i, found; 826 int result=FAILED; 827 int wait_for_bus=-1; 828 int wait_for_target = -1; 829 DECLARE_COMPLETION_ONSTACK(wait); 830 831 ENTER("qla1280_error_action"); 832 833 ha = (struct scsi_qla_host *)(CMD_HOST(cmd)->hostdata); 834 sp = (struct srb *)CMD_SP(cmd); 835 bus = SCSI_BUS_32(cmd); 836 target = SCSI_TCN_32(cmd); 837 lun = SCSI_LUN_32(cmd); 838 839 dprintk(4, "error_action %i, istatus 0x%04x\n", action, 840 RD_REG_WORD(&ha->iobase->istatus)); 841 842 dprintk(4, "host_cmd 0x%04x, ictrl 0x%04x, jiffies %li\n", 843 RD_REG_WORD(&ha->iobase->host_cmd), 844 RD_REG_WORD(&ha->iobase->ictrl), jiffies); 845 846 if (qla1280_verbose) 847 printk(KERN_INFO "scsi(%li): Resetting Cmnd=0x%p, " 848 "Handle=0x%p, action=0x%x\n", 849 ha->host_no, cmd, CMD_HANDLE(cmd), action); 850 851 /* 852 * Check to see if we have the command in the outstanding_cmds[] 853 * array. If not then it must have completed before this error 854 * action was initiated. If the error_action isn't ABORT_COMMAND 855 * then the driver must proceed with the requested action. 856 */ 857 found = -1; 858 for (i = 0; i < MAX_OUTSTANDING_COMMANDS; i++) { 859 if (sp == ha->outstanding_cmds[i]) { 860 found = i; 861 sp->wait = &wait; /* we'll wait for it to complete */ 862 break; 863 } 864 } 865 866 if (found < 0) { /* driver doesn't have command */ 867 result = SUCCESS; 868 if (qla1280_verbose) { 869 printk(KERN_INFO 870 "scsi(%ld:%d:%d:%d): specified command has " 871 "already completed.\n", ha->host_no, bus, 872 target, lun); 873 } 874 } 875 876 switch (action) { 877 878 case ABORT_COMMAND: 879 dprintk(1, "qla1280: RISC aborting command\n"); 880 /* 881 * The abort might fail due to race when the host_lock 882 * is released to issue the abort. As such, we 883 * don't bother to check the return status. 884 */ 885 if (found >= 0) 886 qla1280_abort_command(ha, sp, found); 887 break; 888 889 case DEVICE_RESET: 890 if (qla1280_verbose) 891 printk(KERN_INFO 892 "scsi(%ld:%d:%d:%d): Queueing device reset " 893 "command.\n", ha->host_no, bus, target, lun); 894 if (qla1280_device_reset(ha, bus, target) == 0) { 895 /* issued device reset, set wait conditions */ 896 wait_for_bus = bus; 897 wait_for_target = target; 898 } 899 break; 900 901 case BUS_RESET: 902 if (qla1280_verbose) 903 printk(KERN_INFO "qla1280(%ld:%d): Issued bus " 904 "reset.\n", ha->host_no, bus); 905 if (qla1280_bus_reset(ha, bus) == 0) { 906 /* issued bus reset, set wait conditions */ 907 wait_for_bus = bus; 908 } 909 break; 910 911 case ADAPTER_RESET: 912 default: 913 if (qla1280_verbose) { 914 printk(KERN_INFO 915 "scsi(%ld): Issued ADAPTER RESET\n", 916 ha->host_no); 917 printk(KERN_INFO "scsi(%ld): I/O processing will " 918 "continue automatically\n", ha->host_no); 919 } 920 ha->flags.reset_active = 1; 921 922 if (qla1280_abort_isp(ha) != 0) { /* it's dead */ 923 result = FAILED; 924 } 925 926 ha->flags.reset_active = 0; 927 } 928 929 /* 930 * At this point, the host_lock has been released and retaken 931 * by the issuance of the mailbox command. 932 * Wait for the command passed in by the mid-layer if it 933 * was found by the driver. It might have been returned 934 * between eh recovery steps, hence the check of the "found" 935 * variable. 936 */ 937 938 if (found >= 0) 939 result = _qla1280_wait_for_single_command(ha, sp, &wait); 940 941 if (action == ABORT_COMMAND && result != SUCCESS) { 942 printk(KERN_WARNING 943 "scsi(%li:%i:%i:%i): " 944 "Unable to abort command!\n", 945 ha->host_no, bus, target, lun); 946 } 947 948 /* 949 * If the command passed in by the mid-layer has been 950 * returned by the board, then wait for any additional 951 * commands which are supposed to complete based upon 952 * the error action. 953 * 954 * All commands are unconditionally returned during a 955 * call to qla1280_abort_isp(), ADAPTER_RESET. No need 956 * to wait for them. 957 */ 958 if (result == SUCCESS && wait_for_bus >= 0) { 959 result = qla1280_wait_for_pending_commands(ha, 960 wait_for_bus, wait_for_target); 961 } 962 963 dprintk(1, "RESET returning %d\n", result); 964 965 LEAVE("qla1280_error_action"); 966 return result; 967 } 968 969 /************************************************************************** 970 * qla1280_abort 971 * Abort the specified SCSI command(s). 972 **************************************************************************/ 973 static int 974 qla1280_eh_abort(struct scsi_cmnd * cmd) 975 { 976 int rc; 977 978 spin_lock_irq(cmd->device->host->host_lock); 979 rc = qla1280_error_action(cmd, ABORT_COMMAND); 980 spin_unlock_irq(cmd->device->host->host_lock); 981 982 return rc; 983 } 984 985 /************************************************************************** 986 * qla1280_device_reset 987 * Reset the specified SCSI device 988 **************************************************************************/ 989 static int 990 qla1280_eh_device_reset(struct scsi_cmnd *cmd) 991 { 992 int rc; 993 994 spin_lock_irq(cmd->device->host->host_lock); 995 rc = qla1280_error_action(cmd, DEVICE_RESET); 996 spin_unlock_irq(cmd->device->host->host_lock); 997 998 return rc; 999 } 1000 1001 /************************************************************************** 1002 * qla1280_bus_reset 1003 * Reset the specified bus. 1004 **************************************************************************/ 1005 static int 1006 qla1280_eh_bus_reset(struct scsi_cmnd *cmd) 1007 { 1008 int rc; 1009 1010 spin_lock_irq(cmd->device->host->host_lock); 1011 rc = qla1280_error_action(cmd, BUS_RESET); 1012 spin_unlock_irq(cmd->device->host->host_lock); 1013 1014 return rc; 1015 } 1016 1017 /************************************************************************** 1018 * qla1280_adapter_reset 1019 * Reset the specified adapter (both channels) 1020 **************************************************************************/ 1021 static int 1022 qla1280_eh_adapter_reset(struct scsi_cmnd *cmd) 1023 { 1024 int rc; 1025 1026 spin_lock_irq(cmd->device->host->host_lock); 1027 rc = qla1280_error_action(cmd, ADAPTER_RESET); 1028 spin_unlock_irq(cmd->device->host->host_lock); 1029 1030 return rc; 1031 } 1032 1033 static int 1034 qla1280_biosparam(struct scsi_device *sdev, struct block_device *bdev, 1035 sector_t capacity, int geom[]) 1036 { 1037 int heads, sectors, cylinders; 1038 1039 heads = 64; 1040 sectors = 32; 1041 cylinders = (unsigned long)capacity / (heads * sectors); 1042 if (cylinders > 1024) { 1043 heads = 255; 1044 sectors = 63; 1045 cylinders = (unsigned long)capacity / (heads * sectors); 1046 /* if (cylinders > 1023) 1047 cylinders = 1023; */ 1048 } 1049 1050 geom[0] = heads; 1051 geom[1] = sectors; 1052 geom[2] = cylinders; 1053 1054 return 0; 1055 } 1056 1057 1058 /* disable risc and host interrupts */ 1059 static inline void 1060 qla1280_disable_intrs(struct scsi_qla_host *ha) 1061 { 1062 WRT_REG_WORD(&ha->iobase->ictrl, 0); 1063 RD_REG_WORD(&ha->iobase->ictrl); /* PCI Posted Write flush */ 1064 } 1065 1066 /* enable risc and host interrupts */ 1067 static inline void 1068 qla1280_enable_intrs(struct scsi_qla_host *ha) 1069 { 1070 WRT_REG_WORD(&ha->iobase->ictrl, (ISP_EN_INT | ISP_EN_RISC)); 1071 RD_REG_WORD(&ha->iobase->ictrl); /* PCI Posted Write flush */ 1072 } 1073 1074 /************************************************************************** 1075 * qla1280_intr_handler 1076 * Handles the H/W interrupt 1077 **************************************************************************/ 1078 static irqreturn_t 1079 qla1280_intr_handler(int irq, void *dev_id) 1080 { 1081 struct scsi_qla_host *ha; 1082 struct device_reg __iomem *reg; 1083 u16 data; 1084 int handled = 0; 1085 1086 ENTER_INTR ("qla1280_intr_handler"); 1087 ha = (struct scsi_qla_host *)dev_id; 1088 1089 spin_lock(ha->host->host_lock); 1090 1091 ha->isr_count++; 1092 reg = ha->iobase; 1093 1094 qla1280_disable_intrs(ha); 1095 1096 data = qla1280_debounce_register(®->istatus); 1097 /* Check for pending interrupts. */ 1098 if (data & RISC_INT) { 1099 qla1280_isr(ha, &ha->done_q); 1100 handled = 1; 1101 } 1102 if (!list_empty(&ha->done_q)) 1103 qla1280_done(ha); 1104 1105 spin_unlock(ha->host->host_lock); 1106 1107 qla1280_enable_intrs(ha); 1108 1109 LEAVE_INTR("qla1280_intr_handler"); 1110 return IRQ_RETVAL(handled); 1111 } 1112 1113 1114 static int 1115 qla1280_set_target_parameters(struct scsi_qla_host *ha, int bus, int target) 1116 { 1117 uint8_t mr; 1118 uint16_t mb[MAILBOX_REGISTER_COUNT]; 1119 struct nvram *nv; 1120 int status, lun; 1121 1122 nv = &ha->nvram; 1123 1124 mr = BIT_3 | BIT_2 | BIT_1 | BIT_0; 1125 1126 /* Set Target Parameters. */ 1127 mb[0] = MBC_SET_TARGET_PARAMETERS; 1128 mb[1] = (uint16_t)((bus ? target | BIT_7 : target) << 8); 1129 mb[2] = nv->bus[bus].target[target].parameter.renegotiate_on_error << 8; 1130 mb[2] |= nv->bus[bus].target[target].parameter.stop_queue_on_check << 9; 1131 mb[2] |= nv->bus[bus].target[target].parameter.auto_request_sense << 10; 1132 mb[2] |= nv->bus[bus].target[target].parameter.tag_queuing << 11; 1133 mb[2] |= nv->bus[bus].target[target].parameter.enable_sync << 12; 1134 mb[2] |= nv->bus[bus].target[target].parameter.enable_wide << 13; 1135 mb[2] |= nv->bus[bus].target[target].parameter.parity_checking << 14; 1136 mb[2] |= nv->bus[bus].target[target].parameter.disconnect_allowed << 15; 1137 1138 if (IS_ISP1x160(ha)) { 1139 mb[2] |= nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr << 5; 1140 mb[3] = (nv->bus[bus].target[target].flags.flags1x160.sync_offset << 8); 1141 mb[6] = (nv->bus[bus].target[target].ppr_1x160.flags.ppr_options << 8) | 1142 nv->bus[bus].target[target].ppr_1x160.flags.ppr_bus_width; 1143 mr |= BIT_6; 1144 } else { 1145 mb[3] = (nv->bus[bus].target[target].flags.flags1x80.sync_offset << 8); 1146 } 1147 mb[3] |= nv->bus[bus].target[target].sync_period; 1148 1149 status = qla1280_mailbox_command(ha, mr, mb); 1150 1151 /* Set Device Queue Parameters. */ 1152 for (lun = 0; lun < MAX_LUNS; lun++) { 1153 mb[0] = MBC_SET_DEVICE_QUEUE; 1154 mb[1] = (uint16_t)((bus ? target | BIT_7 : target) << 8); 1155 mb[1] |= lun; 1156 mb[2] = nv->bus[bus].max_queue_depth; 1157 mb[3] = nv->bus[bus].target[target].execution_throttle; 1158 status |= qla1280_mailbox_command(ha, 0x0f, mb); 1159 } 1160 1161 if (status) 1162 printk(KERN_WARNING "scsi(%ld:%i:%i): " 1163 "qla1280_set_target_parameters() failed\n", 1164 ha->host_no, bus, target); 1165 return status; 1166 } 1167 1168 1169 /************************************************************************** 1170 * qla1280_slave_configure 1171 * 1172 * Description: 1173 * Determines the queue depth for a given device. There are two ways 1174 * a queue depth can be obtained for a tagged queueing device. One 1175 * way is the default queue depth which is determined by whether 1176 * If it is defined, then it is used 1177 * as the default queue depth. Otherwise, we use either 4 or 8 as the 1178 * default queue depth (dependent on the number of hardware SCBs). 1179 **************************************************************************/ 1180 static int 1181 qla1280_slave_configure(struct scsi_device *device) 1182 { 1183 struct scsi_qla_host *ha; 1184 int default_depth = 3; 1185 int bus = device->channel; 1186 int target = device->id; 1187 int status = 0; 1188 struct nvram *nv; 1189 unsigned long flags; 1190 1191 ha = (struct scsi_qla_host *)device->host->hostdata; 1192 nv = &ha->nvram; 1193 1194 if (qla1280_check_for_dead_scsi_bus(ha, bus)) 1195 return 1; 1196 1197 if (device->tagged_supported && 1198 (ha->bus_settings[bus].qtag_enables & (BIT_0 << target))) { 1199 scsi_change_queue_depth(device, ha->bus_settings[bus].hiwat); 1200 } else { 1201 scsi_change_queue_depth(device, default_depth); 1202 } 1203 1204 nv->bus[bus].target[target].parameter.enable_sync = device->sdtr; 1205 nv->bus[bus].target[target].parameter.enable_wide = device->wdtr; 1206 nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = device->ppr; 1207 1208 if (driver_setup.no_sync || 1209 (driver_setup.sync_mask && 1210 (~driver_setup.sync_mask & (1 << target)))) 1211 nv->bus[bus].target[target].parameter.enable_sync = 0; 1212 if (driver_setup.no_wide || 1213 (driver_setup.wide_mask && 1214 (~driver_setup.wide_mask & (1 << target)))) 1215 nv->bus[bus].target[target].parameter.enable_wide = 0; 1216 if (IS_ISP1x160(ha)) { 1217 if (driver_setup.no_ppr || 1218 (driver_setup.ppr_mask && 1219 (~driver_setup.ppr_mask & (1 << target)))) 1220 nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 0; 1221 } 1222 1223 spin_lock_irqsave(ha->host->host_lock, flags); 1224 if (nv->bus[bus].target[target].parameter.enable_sync) 1225 status = qla1280_set_target_parameters(ha, bus, target); 1226 qla1280_get_target_parameters(ha, device); 1227 spin_unlock_irqrestore(ha->host->host_lock, flags); 1228 return status; 1229 } 1230 1231 1232 /* 1233 * qla1280_done 1234 * Process completed commands. 1235 * 1236 * Input: 1237 * ha = adapter block pointer. 1238 */ 1239 static void 1240 qla1280_done(struct scsi_qla_host *ha) 1241 { 1242 struct srb *sp; 1243 struct list_head *done_q; 1244 int bus, target; 1245 struct scsi_cmnd *cmd; 1246 1247 ENTER("qla1280_done"); 1248 1249 done_q = &ha->done_q; 1250 1251 while (!list_empty(done_q)) { 1252 sp = list_entry(done_q->next, struct srb, list); 1253 1254 list_del(&sp->list); 1255 1256 cmd = sp->cmd; 1257 bus = SCSI_BUS_32(cmd); 1258 target = SCSI_TCN_32(cmd); 1259 1260 switch ((CMD_RESULT(cmd) >> 16)) { 1261 case DID_RESET: 1262 /* Issue marker command. */ 1263 if (!ha->flags.abort_isp_active) 1264 qla1280_marker(ha, bus, target, 0, MK_SYNC_ID); 1265 break; 1266 case DID_ABORT: 1267 sp->flags &= ~SRB_ABORT_PENDING; 1268 sp->flags |= SRB_ABORTED; 1269 break; 1270 default: 1271 break; 1272 } 1273 1274 /* Release memory used for this I/O */ 1275 scsi_dma_unmap(cmd); 1276 1277 /* Call the mid-level driver interrupt handler */ 1278 ha->actthreads--; 1279 1280 if (sp->wait == NULL) 1281 (*(cmd)->scsi_done)(cmd); 1282 else 1283 complete(sp->wait); 1284 } 1285 LEAVE("qla1280_done"); 1286 } 1287 1288 /* 1289 * Translates a ISP error to a Linux SCSI error 1290 */ 1291 static int 1292 qla1280_return_status(struct response * sts, struct scsi_cmnd *cp) 1293 { 1294 int host_status = DID_ERROR; 1295 uint16_t comp_status = le16_to_cpu(sts->comp_status); 1296 uint16_t state_flags = le16_to_cpu(sts->state_flags); 1297 uint32_t residual_length = le32_to_cpu(sts->residual_length); 1298 uint16_t scsi_status = le16_to_cpu(sts->scsi_status); 1299 #if DEBUG_QLA1280_INTR 1300 static char *reason[] = { 1301 "DID_OK", 1302 "DID_NO_CONNECT", 1303 "DID_BUS_BUSY", 1304 "DID_TIME_OUT", 1305 "DID_BAD_TARGET", 1306 "DID_ABORT", 1307 "DID_PARITY", 1308 "DID_ERROR", 1309 "DID_RESET", 1310 "DID_BAD_INTR" 1311 }; 1312 #endif /* DEBUG_QLA1280_INTR */ 1313 1314 ENTER("qla1280_return_status"); 1315 1316 #if DEBUG_QLA1280_INTR 1317 /* 1318 dprintk(1, "qla1280_return_status: compl status = 0x%04x\n", 1319 comp_status); 1320 */ 1321 #endif 1322 1323 switch (comp_status) { 1324 case CS_COMPLETE: 1325 host_status = DID_OK; 1326 break; 1327 1328 case CS_INCOMPLETE: 1329 if (!(state_flags & SF_GOT_BUS)) 1330 host_status = DID_NO_CONNECT; 1331 else if (!(state_flags & SF_GOT_TARGET)) 1332 host_status = DID_BAD_TARGET; 1333 else if (!(state_flags & SF_SENT_CDB)) 1334 host_status = DID_ERROR; 1335 else if (!(state_flags & SF_TRANSFERRED_DATA)) 1336 host_status = DID_ERROR; 1337 else if (!(state_flags & SF_GOT_STATUS)) 1338 host_status = DID_ERROR; 1339 else if (!(state_flags & SF_GOT_SENSE)) 1340 host_status = DID_ERROR; 1341 break; 1342 1343 case CS_RESET: 1344 host_status = DID_RESET; 1345 break; 1346 1347 case CS_ABORTED: 1348 host_status = DID_ABORT; 1349 break; 1350 1351 case CS_TIMEOUT: 1352 host_status = DID_TIME_OUT; 1353 break; 1354 1355 case CS_DATA_OVERRUN: 1356 dprintk(2, "Data overrun 0x%x\n", residual_length); 1357 dprintk(2, "qla1280_return_status: response packet data\n"); 1358 qla1280_dump_buffer(2, (char *)sts, RESPONSE_ENTRY_SIZE); 1359 host_status = DID_ERROR; 1360 break; 1361 1362 case CS_DATA_UNDERRUN: 1363 if ((scsi_bufflen(cp) - residual_length) < 1364 cp->underflow) { 1365 printk(KERN_WARNING 1366 "scsi: Underflow detected - retrying " 1367 "command.\n"); 1368 host_status = DID_ERROR; 1369 } else { 1370 scsi_set_resid(cp, residual_length); 1371 host_status = DID_OK; 1372 } 1373 break; 1374 1375 default: 1376 host_status = DID_ERROR; 1377 break; 1378 } 1379 1380 #if DEBUG_QLA1280_INTR 1381 dprintk(1, "qla1280 ISP status: host status (%s) scsi status %x\n", 1382 reason[host_status], scsi_status); 1383 #endif 1384 1385 LEAVE("qla1280_return_status"); 1386 1387 return (scsi_status & 0xff) | (host_status << 16); 1388 } 1389 1390 /****************************************************************************/ 1391 /* QLogic ISP1280 Hardware Support Functions. */ 1392 /****************************************************************************/ 1393 1394 /* 1395 * qla1280_initialize_adapter 1396 * Initialize board. 1397 * 1398 * Input: 1399 * ha = adapter block pointer. 1400 * 1401 * Returns: 1402 * 0 = success 1403 */ 1404 static int 1405 qla1280_initialize_adapter(struct scsi_qla_host *ha) 1406 { 1407 struct device_reg __iomem *reg; 1408 int status; 1409 int bus; 1410 unsigned long flags; 1411 1412 ENTER("qla1280_initialize_adapter"); 1413 1414 /* Clear adapter flags. */ 1415 ha->flags.online = 0; 1416 ha->flags.disable_host_adapter = 0; 1417 ha->flags.reset_active = 0; 1418 ha->flags.abort_isp_active = 0; 1419 1420 /* TODO: implement support for the 1040 nvram format */ 1421 if (IS_ISP1040(ha)) 1422 driver_setup.no_nvram = 1; 1423 1424 dprintk(1, "Configure PCI space for adapter...\n"); 1425 1426 reg = ha->iobase; 1427 1428 /* Insure mailbox registers are free. */ 1429 WRT_REG_WORD(®->semaphore, 0); 1430 WRT_REG_WORD(®->host_cmd, HC_CLR_RISC_INT); 1431 WRT_REG_WORD(®->host_cmd, HC_CLR_HOST_INT); 1432 RD_REG_WORD(®->host_cmd); 1433 1434 if (qla1280_read_nvram(ha)) { 1435 dprintk(2, "qla1280_initialize_adapter: failed to read " 1436 "NVRAM\n"); 1437 } 1438 1439 /* 1440 * It's necessary to grab the spin here as qla1280_mailbox_command 1441 * needs to be able to drop the lock unconditionally to wait 1442 * for completion. 1443 */ 1444 spin_lock_irqsave(ha->host->host_lock, flags); 1445 1446 status = qla1280_load_firmware(ha); 1447 if (status) { 1448 printk(KERN_ERR "scsi(%li): initialize: pci probe failed!\n", 1449 ha->host_no); 1450 goto out; 1451 } 1452 1453 /* Setup adapter based on NVRAM parameters. */ 1454 dprintk(1, "scsi(%ld): Configure NVRAM parameters\n", ha->host_no); 1455 qla1280_nvram_config(ha); 1456 1457 if (ha->flags.disable_host_adapter) { 1458 status = 1; 1459 goto out; 1460 } 1461 1462 status = qla1280_init_rings(ha); 1463 if (status) 1464 goto out; 1465 1466 /* Issue SCSI reset, if we can't reset twice then bus is dead */ 1467 for (bus = 0; bus < ha->ports; bus++) { 1468 if (!ha->bus_settings[bus].disable_scsi_reset && 1469 qla1280_bus_reset(ha, bus) && 1470 qla1280_bus_reset(ha, bus)) 1471 ha->bus_settings[bus].scsi_bus_dead = 1; 1472 } 1473 1474 ha->flags.online = 1; 1475 out: 1476 spin_unlock_irqrestore(ha->host->host_lock, flags); 1477 1478 if (status) 1479 dprintk(2, "qla1280_initialize_adapter: **** FAILED ****\n"); 1480 1481 LEAVE("qla1280_initialize_adapter"); 1482 return status; 1483 } 1484 1485 /* 1486 * qla1280_request_firmware 1487 * Acquire firmware for chip. Retain in memory 1488 * for error recovery. 1489 * 1490 * Input: 1491 * ha = adapter block pointer. 1492 * 1493 * Returns: 1494 * Pointer to firmware image or an error code 1495 * cast to pointer via ERR_PTR(). 1496 */ 1497 static const struct firmware * 1498 qla1280_request_firmware(struct scsi_qla_host *ha) 1499 { 1500 const struct firmware *fw; 1501 int err; 1502 int index; 1503 char *fwname; 1504 1505 spin_unlock_irq(ha->host->host_lock); 1506 mutex_lock(&qla1280_firmware_mutex); 1507 1508 index = ql1280_board_tbl[ha->devnum].fw_index; 1509 fw = qla1280_fw_tbl[index].fw; 1510 if (fw) 1511 goto out; 1512 1513 fwname = qla1280_fw_tbl[index].fwname; 1514 err = request_firmware(&fw, fwname, &ha->pdev->dev); 1515 1516 if (err) { 1517 printk(KERN_ERR "Failed to load image \"%s\" err %d\n", 1518 fwname, err); 1519 fw = ERR_PTR(err); 1520 goto unlock; 1521 } 1522 if ((fw->size % 2) || (fw->size < 6)) { 1523 printk(KERN_ERR "Invalid firmware length %zu in image \"%s\"\n", 1524 fw->size, fwname); 1525 release_firmware(fw); 1526 fw = ERR_PTR(-EINVAL); 1527 goto unlock; 1528 } 1529 1530 qla1280_fw_tbl[index].fw = fw; 1531 1532 out: 1533 ha->fwver1 = fw->data[0]; 1534 ha->fwver2 = fw->data[1]; 1535 ha->fwver3 = fw->data[2]; 1536 unlock: 1537 mutex_unlock(&qla1280_firmware_mutex); 1538 spin_lock_irq(ha->host->host_lock); 1539 return fw; 1540 } 1541 1542 /* 1543 * Chip diagnostics 1544 * Test chip for proper operation. 1545 * 1546 * Input: 1547 * ha = adapter block pointer. 1548 * 1549 * Returns: 1550 * 0 = success. 1551 */ 1552 static int 1553 qla1280_chip_diag(struct scsi_qla_host *ha) 1554 { 1555 uint16_t mb[MAILBOX_REGISTER_COUNT]; 1556 struct device_reg __iomem *reg = ha->iobase; 1557 int status = 0; 1558 int cnt; 1559 uint16_t data; 1560 dprintk(3, "qla1280_chip_diag: testing device at 0x%p \n", ®->id_l); 1561 1562 dprintk(1, "scsi(%ld): Verifying chip\n", ha->host_no); 1563 1564 /* Soft reset chip and wait for it to finish. */ 1565 WRT_REG_WORD(®->ictrl, ISP_RESET); 1566 1567 /* 1568 * We can't do a traditional PCI write flush here by reading 1569 * back the register. The card will not respond once the reset 1570 * is in action and we end up with a machine check exception 1571 * instead. Nothing to do but wait and hope for the best. 1572 * A portable pci_write_flush(pdev) call would be very useful here. 1573 */ 1574 udelay(20); 1575 data = qla1280_debounce_register(®->ictrl); 1576 /* 1577 * Yet another QLogic gem ;-( 1578 */ 1579 for (cnt = 1000000; cnt && data & ISP_RESET; cnt--) { 1580 udelay(5); 1581 data = RD_REG_WORD(®->ictrl); 1582 } 1583 1584 if (!cnt) 1585 goto fail; 1586 1587 /* Reset register cleared by chip reset. */ 1588 dprintk(3, "qla1280_chip_diag: reset register cleared by chip reset\n"); 1589 1590 WRT_REG_WORD(®->cfg_1, 0); 1591 1592 /* Reset RISC and disable BIOS which 1593 allows RISC to execute out of RAM. */ 1594 WRT_REG_WORD(®->host_cmd, HC_RESET_RISC | 1595 HC_RELEASE_RISC | HC_DISABLE_BIOS); 1596 1597 RD_REG_WORD(®->id_l); /* Flush PCI write */ 1598 data = qla1280_debounce_register(®->mailbox0); 1599 1600 /* 1601 * I *LOVE* this code! 1602 */ 1603 for (cnt = 1000000; cnt && data == MBS_BUSY; cnt--) { 1604 udelay(5); 1605 data = RD_REG_WORD(®->mailbox0); 1606 } 1607 1608 if (!cnt) 1609 goto fail; 1610 1611 /* Check product ID of chip */ 1612 dprintk(3, "qla1280_chip_diag: Checking product ID of chip\n"); 1613 1614 if (RD_REG_WORD(®->mailbox1) != PROD_ID_1 || 1615 (RD_REG_WORD(®->mailbox2) != PROD_ID_2 && 1616 RD_REG_WORD(®->mailbox2) != PROD_ID_2a) || 1617 RD_REG_WORD(®->mailbox3) != PROD_ID_3 || 1618 RD_REG_WORD(®->mailbox4) != PROD_ID_4) { 1619 printk(KERN_INFO "qla1280: Wrong product ID = " 1620 "0x%x,0x%x,0x%x,0x%x\n", 1621 RD_REG_WORD(®->mailbox1), 1622 RD_REG_WORD(®->mailbox2), 1623 RD_REG_WORD(®->mailbox3), 1624 RD_REG_WORD(®->mailbox4)); 1625 goto fail; 1626 } 1627 1628 /* 1629 * Enable ints early!!! 1630 */ 1631 qla1280_enable_intrs(ha); 1632 1633 dprintk(1, "qla1280_chip_diag: Checking mailboxes of chip\n"); 1634 /* Wrap Incoming Mailboxes Test. */ 1635 mb[0] = MBC_MAILBOX_REGISTER_TEST; 1636 mb[1] = 0xAAAA; 1637 mb[2] = 0x5555; 1638 mb[3] = 0xAA55; 1639 mb[4] = 0x55AA; 1640 mb[5] = 0xA5A5; 1641 mb[6] = 0x5A5A; 1642 mb[7] = 0x2525; 1643 1644 status = qla1280_mailbox_command(ha, 0xff, mb); 1645 if (status) 1646 goto fail; 1647 1648 if (mb[1] != 0xAAAA || mb[2] != 0x5555 || mb[3] != 0xAA55 || 1649 mb[4] != 0x55AA || mb[5] != 0xA5A5 || mb[6] != 0x5A5A || 1650 mb[7] != 0x2525) { 1651 printk(KERN_INFO "qla1280: Failed mbox check\n"); 1652 goto fail; 1653 } 1654 1655 dprintk(3, "qla1280_chip_diag: exiting normally\n"); 1656 return 0; 1657 fail: 1658 dprintk(2, "qla1280_chip_diag: **** FAILED ****\n"); 1659 return status; 1660 } 1661 1662 static int 1663 qla1280_load_firmware_pio(struct scsi_qla_host *ha) 1664 { 1665 /* enter with host_lock acquired */ 1666 1667 const struct firmware *fw; 1668 const __le16 *fw_data; 1669 uint16_t risc_address, risc_code_size; 1670 uint16_t mb[MAILBOX_REGISTER_COUNT], i; 1671 int err = 0; 1672 1673 fw = qla1280_request_firmware(ha); 1674 if (IS_ERR(fw)) 1675 return PTR_ERR(fw); 1676 1677 fw_data = (const __le16 *)&fw->data[0]; 1678 ha->fwstart = __le16_to_cpu(fw_data[2]); 1679 1680 /* Load RISC code. */ 1681 risc_address = ha->fwstart; 1682 fw_data = (const __le16 *)&fw->data[6]; 1683 risc_code_size = (fw->size - 6) / 2; 1684 1685 for (i = 0; i < risc_code_size; i++) { 1686 mb[0] = MBC_WRITE_RAM_WORD; 1687 mb[1] = risc_address + i; 1688 mb[2] = __le16_to_cpu(fw_data[i]); 1689 1690 err = qla1280_mailbox_command(ha, BIT_0 | BIT_1 | BIT_2, mb); 1691 if (err) { 1692 printk(KERN_ERR "scsi(%li): Failed to load firmware\n", 1693 ha->host_no); 1694 break; 1695 } 1696 } 1697 1698 return err; 1699 } 1700 1701 #ifdef QLA_64BIT_PTR 1702 #define LOAD_CMD MBC_LOAD_RAM_A64_ROM 1703 #define DUMP_CMD MBC_DUMP_RAM_A64_ROM 1704 #define CMD_ARGS (BIT_7 | BIT_6 | BIT_4 | BIT_3 | BIT_2 | BIT_1 | BIT_0) 1705 #else 1706 #define LOAD_CMD MBC_LOAD_RAM 1707 #define DUMP_CMD MBC_DUMP_RAM 1708 #define CMD_ARGS (BIT_4 | BIT_3 | BIT_2 | BIT_1 | BIT_0) 1709 #endif 1710 1711 #define DUMP_IT_BACK 0 /* for debug of RISC loading */ 1712 static int 1713 qla1280_load_firmware_dma(struct scsi_qla_host *ha) 1714 { 1715 /* enter with host_lock acquired */ 1716 const struct firmware *fw; 1717 const __le16 *fw_data; 1718 uint16_t risc_address, risc_code_size; 1719 uint16_t mb[MAILBOX_REGISTER_COUNT], cnt; 1720 int err = 0, num, i; 1721 #if DUMP_IT_BACK 1722 uint8_t *sp, *tbuf; 1723 dma_addr_t p_tbuf; 1724 1725 tbuf = dma_alloc_coherent(&ha->pdev->dev, 8000, &p_tbuf, GFP_KERNEL); 1726 if (!tbuf) 1727 return -ENOMEM; 1728 #endif 1729 1730 fw = qla1280_request_firmware(ha); 1731 if (IS_ERR(fw)) 1732 return PTR_ERR(fw); 1733 1734 fw_data = (const __le16 *)&fw->data[0]; 1735 ha->fwstart = __le16_to_cpu(fw_data[2]); 1736 1737 /* Load RISC code. */ 1738 risc_address = ha->fwstart; 1739 fw_data = (const __le16 *)&fw->data[6]; 1740 risc_code_size = (fw->size - 6) / 2; 1741 1742 dprintk(1, "%s: DMA RISC code (%i) words\n", 1743 __func__, risc_code_size); 1744 1745 num = 0; 1746 while (risc_code_size > 0) { 1747 int warn __attribute__((unused)) = 0; 1748 1749 cnt = 2000 >> 1; 1750 1751 if (cnt > risc_code_size) 1752 cnt = risc_code_size; 1753 1754 dprintk(2, "qla1280_setup_chip: loading risc @ =(0x%p)," 1755 "%d,%d(0x%x)\n", 1756 fw_data, cnt, num, risc_address); 1757 for(i = 0; i < cnt; i++) 1758 ((__le16 *)ha->request_ring)[i] = fw_data[i]; 1759 1760 mb[0] = LOAD_CMD; 1761 mb[1] = risc_address; 1762 mb[4] = cnt; 1763 mb[3] = ha->request_dma & 0xffff; 1764 mb[2] = (ha->request_dma >> 16) & 0xffff; 1765 mb[7] = upper_32_bits(ha->request_dma) & 0xffff; 1766 mb[6] = upper_32_bits(ha->request_dma) >> 16; 1767 dprintk(2, "%s: op=%d 0x%p = 0x%4x,0x%4x,0x%4x,0x%4x\n", 1768 __func__, mb[0], 1769 (void *)(long)ha->request_dma, 1770 mb[6], mb[7], mb[2], mb[3]); 1771 err = qla1280_mailbox_command(ha, CMD_ARGS, mb); 1772 if (err) { 1773 printk(KERN_ERR "scsi(%li): Failed to load partial " 1774 "segment of f\n", ha->host_no); 1775 goto out; 1776 } 1777 1778 #if DUMP_IT_BACK 1779 mb[0] = DUMP_CMD; 1780 mb[1] = risc_address; 1781 mb[4] = cnt; 1782 mb[3] = p_tbuf & 0xffff; 1783 mb[2] = (p_tbuf >> 16) & 0xffff; 1784 mb[7] = upper_32_bits(p_tbuf) & 0xffff; 1785 mb[6] = upper_32_bits(p_tbuf) >> 16; 1786 1787 err = qla1280_mailbox_command(ha, CMD_ARGS, mb); 1788 if (err) { 1789 printk(KERN_ERR 1790 "Failed to dump partial segment of f/w\n"); 1791 goto out; 1792 } 1793 sp = (uint8_t *)ha->request_ring; 1794 for (i = 0; i < (cnt << 1); i++) { 1795 if (tbuf[i] != sp[i] && warn++ < 10) { 1796 printk(KERN_ERR "%s: FW compare error @ " 1797 "byte(0x%x) loop#=%x\n", 1798 __func__, i, num); 1799 printk(KERN_ERR "%s: FWbyte=%x " 1800 "FWfromChip=%x\n", 1801 __func__, sp[i], tbuf[i]); 1802 /*break; */ 1803 } 1804 } 1805 #endif 1806 risc_address += cnt; 1807 risc_code_size = risc_code_size - cnt; 1808 fw_data = fw_data + cnt; 1809 num++; 1810 } 1811 1812 out: 1813 #if DUMP_IT_BACK 1814 dma_free_coherent(&ha->pdev->dev, 8000, tbuf, p_tbuf); 1815 #endif 1816 return err; 1817 } 1818 1819 static int 1820 qla1280_start_firmware(struct scsi_qla_host *ha) 1821 { 1822 uint16_t mb[MAILBOX_REGISTER_COUNT]; 1823 int err; 1824 1825 dprintk(1, "%s: Verifying checksum of loaded RISC code.\n", 1826 __func__); 1827 1828 /* Verify checksum of loaded RISC code. */ 1829 mb[0] = MBC_VERIFY_CHECKSUM; 1830 /* mb[1] = ql12_risc_code_addr01; */ 1831 mb[1] = ha->fwstart; 1832 err = qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb); 1833 if (err) { 1834 printk(KERN_ERR "scsi(%li): RISC checksum failed.\n", ha->host_no); 1835 return err; 1836 } 1837 1838 /* Start firmware execution. */ 1839 dprintk(1, "%s: start firmware running.\n", __func__); 1840 mb[0] = MBC_EXECUTE_FIRMWARE; 1841 mb[1] = ha->fwstart; 1842 err = qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]); 1843 if (err) { 1844 printk(KERN_ERR "scsi(%li): Failed to start firmware\n", 1845 ha->host_no); 1846 } 1847 1848 return err; 1849 } 1850 1851 static int 1852 qla1280_load_firmware(struct scsi_qla_host *ha) 1853 { 1854 /* enter with host_lock taken */ 1855 int err; 1856 1857 err = qla1280_chip_diag(ha); 1858 if (err) 1859 goto out; 1860 if (IS_ISP1040(ha)) 1861 err = qla1280_load_firmware_pio(ha); 1862 else 1863 err = qla1280_load_firmware_dma(ha); 1864 if (err) 1865 goto out; 1866 err = qla1280_start_firmware(ha); 1867 out: 1868 return err; 1869 } 1870 1871 /* 1872 * Initialize rings 1873 * 1874 * Input: 1875 * ha = adapter block pointer. 1876 * ha->request_ring = request ring virtual address 1877 * ha->response_ring = response ring virtual address 1878 * ha->request_dma = request ring physical address 1879 * ha->response_dma = response ring physical address 1880 * 1881 * Returns: 1882 * 0 = success. 1883 */ 1884 static int 1885 qla1280_init_rings(struct scsi_qla_host *ha) 1886 { 1887 uint16_t mb[MAILBOX_REGISTER_COUNT]; 1888 int status = 0; 1889 1890 ENTER("qla1280_init_rings"); 1891 1892 /* Clear outstanding commands array. */ 1893 memset(ha->outstanding_cmds, 0, 1894 sizeof(struct srb *) * MAX_OUTSTANDING_COMMANDS); 1895 1896 /* Initialize request queue. */ 1897 ha->request_ring_ptr = ha->request_ring; 1898 ha->req_ring_index = 0; 1899 ha->req_q_cnt = REQUEST_ENTRY_CNT; 1900 /* mb[0] = MBC_INIT_REQUEST_QUEUE; */ 1901 mb[0] = MBC_INIT_REQUEST_QUEUE_A64; 1902 mb[1] = REQUEST_ENTRY_CNT; 1903 mb[3] = ha->request_dma & 0xffff; 1904 mb[2] = (ha->request_dma >> 16) & 0xffff; 1905 mb[4] = 0; 1906 mb[7] = upper_32_bits(ha->request_dma) & 0xffff; 1907 mb[6] = upper_32_bits(ha->request_dma) >> 16; 1908 if (!(status = qla1280_mailbox_command(ha, BIT_7 | BIT_6 | BIT_4 | 1909 BIT_3 | BIT_2 | BIT_1 | BIT_0, 1910 &mb[0]))) { 1911 /* Initialize response queue. */ 1912 ha->response_ring_ptr = ha->response_ring; 1913 ha->rsp_ring_index = 0; 1914 /* mb[0] = MBC_INIT_RESPONSE_QUEUE; */ 1915 mb[0] = MBC_INIT_RESPONSE_QUEUE_A64; 1916 mb[1] = RESPONSE_ENTRY_CNT; 1917 mb[3] = ha->response_dma & 0xffff; 1918 mb[2] = (ha->response_dma >> 16) & 0xffff; 1919 mb[5] = 0; 1920 mb[7] = upper_32_bits(ha->response_dma) & 0xffff; 1921 mb[6] = upper_32_bits(ha->response_dma) >> 16; 1922 status = qla1280_mailbox_command(ha, BIT_7 | BIT_6 | BIT_5 | 1923 BIT_3 | BIT_2 | BIT_1 | BIT_0, 1924 &mb[0]); 1925 } 1926 1927 if (status) 1928 dprintk(2, "qla1280_init_rings: **** FAILED ****\n"); 1929 1930 LEAVE("qla1280_init_rings"); 1931 return status; 1932 } 1933 1934 static void 1935 qla1280_print_settings(struct nvram *nv) 1936 { 1937 dprintk(1, "qla1280 : initiator scsi id bus[0]=%d\n", 1938 nv->bus[0].config_1.initiator_id); 1939 dprintk(1, "qla1280 : initiator scsi id bus[1]=%d\n", 1940 nv->bus[1].config_1.initiator_id); 1941 1942 dprintk(1, "qla1280 : bus reset delay[0]=%d\n", 1943 nv->bus[0].bus_reset_delay); 1944 dprintk(1, "qla1280 : bus reset delay[1]=%d\n", 1945 nv->bus[1].bus_reset_delay); 1946 1947 dprintk(1, "qla1280 : retry count[0]=%d\n", nv->bus[0].retry_count); 1948 dprintk(1, "qla1280 : retry delay[0]=%d\n", nv->bus[0].retry_delay); 1949 dprintk(1, "qla1280 : retry count[1]=%d\n", nv->bus[1].retry_count); 1950 dprintk(1, "qla1280 : retry delay[1]=%d\n", nv->bus[1].retry_delay); 1951 1952 dprintk(1, "qla1280 : async data setup time[0]=%d\n", 1953 nv->bus[0].config_2.async_data_setup_time); 1954 dprintk(1, "qla1280 : async data setup time[1]=%d\n", 1955 nv->bus[1].config_2.async_data_setup_time); 1956 1957 dprintk(1, "qla1280 : req/ack active negation[0]=%d\n", 1958 nv->bus[0].config_2.req_ack_active_negation); 1959 dprintk(1, "qla1280 : req/ack active negation[1]=%d\n", 1960 nv->bus[1].config_2.req_ack_active_negation); 1961 1962 dprintk(1, "qla1280 : data line active negation[0]=%d\n", 1963 nv->bus[0].config_2.data_line_active_negation); 1964 dprintk(1, "qla1280 : data line active negation[1]=%d\n", 1965 nv->bus[1].config_2.data_line_active_negation); 1966 1967 dprintk(1, "qla1280 : disable loading risc code=%d\n", 1968 nv->cntr_flags_1.disable_loading_risc_code); 1969 1970 dprintk(1, "qla1280 : enable 64bit addressing=%d\n", 1971 nv->cntr_flags_1.enable_64bit_addressing); 1972 1973 dprintk(1, "qla1280 : selection timeout limit[0]=%d\n", 1974 nv->bus[0].selection_timeout); 1975 dprintk(1, "qla1280 : selection timeout limit[1]=%d\n", 1976 nv->bus[1].selection_timeout); 1977 1978 dprintk(1, "qla1280 : max queue depth[0]=%d\n", 1979 nv->bus[0].max_queue_depth); 1980 dprintk(1, "qla1280 : max queue depth[1]=%d\n", 1981 nv->bus[1].max_queue_depth); 1982 } 1983 1984 static void 1985 qla1280_set_target_defaults(struct scsi_qla_host *ha, int bus, int target) 1986 { 1987 struct nvram *nv = &ha->nvram; 1988 1989 nv->bus[bus].target[target].parameter.renegotiate_on_error = 1; 1990 nv->bus[bus].target[target].parameter.auto_request_sense = 1; 1991 nv->bus[bus].target[target].parameter.tag_queuing = 1; 1992 nv->bus[bus].target[target].parameter.enable_sync = 1; 1993 #if 1 /* Some SCSI Processors do not seem to like this */ 1994 nv->bus[bus].target[target].parameter.enable_wide = 1; 1995 #endif 1996 nv->bus[bus].target[target].execution_throttle = 1997 nv->bus[bus].max_queue_depth - 1; 1998 nv->bus[bus].target[target].parameter.parity_checking = 1; 1999 nv->bus[bus].target[target].parameter.disconnect_allowed = 1; 2000 2001 if (IS_ISP1x160(ha)) { 2002 nv->bus[bus].target[target].flags.flags1x160.device_enable = 1; 2003 nv->bus[bus].target[target].flags.flags1x160.sync_offset = 0x0e; 2004 nv->bus[bus].target[target].sync_period = 9; 2005 nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 1; 2006 nv->bus[bus].target[target].ppr_1x160.flags.ppr_options = 2; 2007 nv->bus[bus].target[target].ppr_1x160.flags.ppr_bus_width = 1; 2008 } else { 2009 nv->bus[bus].target[target].flags.flags1x80.device_enable = 1; 2010 nv->bus[bus].target[target].flags.flags1x80.sync_offset = 12; 2011 nv->bus[bus].target[target].sync_period = 10; 2012 } 2013 } 2014 2015 static void 2016 qla1280_set_defaults(struct scsi_qla_host *ha) 2017 { 2018 struct nvram *nv = &ha->nvram; 2019 int bus, target; 2020 2021 dprintk(1, "Using defaults for NVRAM: \n"); 2022 memset(nv, 0, sizeof(struct nvram)); 2023 2024 /* nv->cntr_flags_1.disable_loading_risc_code = 1; */ 2025 nv->firmware_feature.f.enable_fast_posting = 1; 2026 nv->firmware_feature.f.disable_synchronous_backoff = 1; 2027 nv->termination.scsi_bus_0_control = 3; 2028 nv->termination.scsi_bus_1_control = 3; 2029 nv->termination.auto_term_support = 1; 2030 2031 /* 2032 * Set default FIFO magic - What appropriate values would be here 2033 * is unknown. This is what I have found testing with 12160s. 2034 * 2035 * Now, I would love the magic decoder ring for this one, the 2036 * header file provided by QLogic seems to be bogus or incomplete 2037 * at best. 2038 */ 2039 nv->isp_config.burst_enable = 1; 2040 if (IS_ISP1040(ha)) 2041 nv->isp_config.fifo_threshold |= 3; 2042 else 2043 nv->isp_config.fifo_threshold |= 4; 2044 2045 if (IS_ISP1x160(ha)) 2046 nv->isp_parameter = 0x01; /* fast memory enable */ 2047 2048 for (bus = 0; bus < MAX_BUSES; bus++) { 2049 nv->bus[bus].config_1.initiator_id = 7; 2050 nv->bus[bus].config_2.req_ack_active_negation = 1; 2051 nv->bus[bus].config_2.data_line_active_negation = 1; 2052 nv->bus[bus].selection_timeout = 250; 2053 nv->bus[bus].max_queue_depth = 32; 2054 2055 if (IS_ISP1040(ha)) { 2056 nv->bus[bus].bus_reset_delay = 3; 2057 nv->bus[bus].config_2.async_data_setup_time = 6; 2058 nv->bus[bus].retry_delay = 1; 2059 } else { 2060 nv->bus[bus].bus_reset_delay = 5; 2061 nv->bus[bus].config_2.async_data_setup_time = 8; 2062 } 2063 2064 for (target = 0; target < MAX_TARGETS; target++) 2065 qla1280_set_target_defaults(ha, bus, target); 2066 } 2067 } 2068 2069 static int 2070 qla1280_config_target(struct scsi_qla_host *ha, int bus, int target) 2071 { 2072 struct nvram *nv = &ha->nvram; 2073 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2074 int status, lun; 2075 uint16_t flag; 2076 2077 /* Set Target Parameters. */ 2078 mb[0] = MBC_SET_TARGET_PARAMETERS; 2079 mb[1] = (uint16_t)((bus ? target | BIT_7 : target) << 8); 2080 2081 /* 2082 * Do not enable sync and ppr for the initial INQUIRY run. We 2083 * enable this later if we determine the target actually 2084 * supports it. 2085 */ 2086 mb[2] = (TP_RENEGOTIATE | TP_AUTO_REQUEST_SENSE | TP_TAGGED_QUEUE 2087 | TP_WIDE | TP_PARITY | TP_DISCONNECT); 2088 2089 if (IS_ISP1x160(ha)) 2090 mb[3] = nv->bus[bus].target[target].flags.flags1x160.sync_offset << 8; 2091 else 2092 mb[3] = nv->bus[bus].target[target].flags.flags1x80.sync_offset << 8; 2093 mb[3] |= nv->bus[bus].target[target].sync_period; 2094 status = qla1280_mailbox_command(ha, 0x0f, mb); 2095 2096 /* Save Tag queuing enable flag. */ 2097 flag = (BIT_0 << target); 2098 if (nv->bus[bus].target[target].parameter.tag_queuing) 2099 ha->bus_settings[bus].qtag_enables |= flag; 2100 2101 /* Save Device enable flag. */ 2102 if (IS_ISP1x160(ha)) { 2103 if (nv->bus[bus].target[target].flags.flags1x160.device_enable) 2104 ha->bus_settings[bus].device_enables |= flag; 2105 ha->bus_settings[bus].lun_disables |= 0; 2106 } else { 2107 if (nv->bus[bus].target[target].flags.flags1x80.device_enable) 2108 ha->bus_settings[bus].device_enables |= flag; 2109 /* Save LUN disable flag. */ 2110 if (nv->bus[bus].target[target].flags.flags1x80.lun_disable) 2111 ha->bus_settings[bus].lun_disables |= flag; 2112 } 2113 2114 /* Set Device Queue Parameters. */ 2115 for (lun = 0; lun < MAX_LUNS; lun++) { 2116 mb[0] = MBC_SET_DEVICE_QUEUE; 2117 mb[1] = (uint16_t)((bus ? target | BIT_7 : target) << 8); 2118 mb[1] |= lun; 2119 mb[2] = nv->bus[bus].max_queue_depth; 2120 mb[3] = nv->bus[bus].target[target].execution_throttle; 2121 status |= qla1280_mailbox_command(ha, 0x0f, mb); 2122 } 2123 2124 return status; 2125 } 2126 2127 static int 2128 qla1280_config_bus(struct scsi_qla_host *ha, int bus) 2129 { 2130 struct nvram *nv = &ha->nvram; 2131 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2132 int target, status; 2133 2134 /* SCSI Reset Disable. */ 2135 ha->bus_settings[bus].disable_scsi_reset = 2136 nv->bus[bus].config_1.scsi_reset_disable; 2137 2138 /* Initiator ID. */ 2139 ha->bus_settings[bus].id = nv->bus[bus].config_1.initiator_id; 2140 mb[0] = MBC_SET_INITIATOR_ID; 2141 mb[1] = bus ? ha->bus_settings[bus].id | BIT_7 : 2142 ha->bus_settings[bus].id; 2143 status = qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]); 2144 2145 /* Reset Delay. */ 2146 ha->bus_settings[bus].bus_reset_delay = 2147 nv->bus[bus].bus_reset_delay; 2148 2149 /* Command queue depth per device. */ 2150 ha->bus_settings[bus].hiwat = nv->bus[bus].max_queue_depth - 1; 2151 2152 /* Set target parameters. */ 2153 for (target = 0; target < MAX_TARGETS; target++) 2154 status |= qla1280_config_target(ha, bus, target); 2155 2156 return status; 2157 } 2158 2159 static int 2160 qla1280_nvram_config(struct scsi_qla_host *ha) 2161 { 2162 struct device_reg __iomem *reg = ha->iobase; 2163 struct nvram *nv = &ha->nvram; 2164 int bus, target, status = 0; 2165 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2166 2167 ENTER("qla1280_nvram_config"); 2168 2169 if (ha->nvram_valid) { 2170 /* Always force AUTO sense for LINUX SCSI */ 2171 for (bus = 0; bus < MAX_BUSES; bus++) 2172 for (target = 0; target < MAX_TARGETS; target++) { 2173 nv->bus[bus].target[target].parameter. 2174 auto_request_sense = 1; 2175 } 2176 } else { 2177 qla1280_set_defaults(ha); 2178 } 2179 2180 qla1280_print_settings(nv); 2181 2182 /* Disable RISC load of firmware. */ 2183 ha->flags.disable_risc_code_load = 2184 nv->cntr_flags_1.disable_loading_risc_code; 2185 2186 if (IS_ISP1040(ha)) { 2187 uint16_t hwrev, cfg1, cdma_conf; 2188 2189 hwrev = RD_REG_WORD(®->cfg_0) & ISP_CFG0_HWMSK; 2190 2191 cfg1 = RD_REG_WORD(®->cfg_1) & ~(BIT_4 | BIT_5 | BIT_6); 2192 cdma_conf = RD_REG_WORD(®->cdma_cfg); 2193 2194 /* Busted fifo, says mjacob. */ 2195 if (hwrev != ISP_CFG0_1040A) 2196 cfg1 |= nv->isp_config.fifo_threshold << 4; 2197 2198 cfg1 |= nv->isp_config.burst_enable << 2; 2199 WRT_REG_WORD(®->cfg_1, cfg1); 2200 2201 WRT_REG_WORD(®->cdma_cfg, cdma_conf | CDMA_CONF_BENAB); 2202 WRT_REG_WORD(®->ddma_cfg, cdma_conf | DDMA_CONF_BENAB); 2203 } else { 2204 uint16_t cfg1, term; 2205 2206 /* Set ISP hardware DMA burst */ 2207 cfg1 = nv->isp_config.fifo_threshold << 4; 2208 cfg1 |= nv->isp_config.burst_enable << 2; 2209 /* Enable DMA arbitration on dual channel controllers */ 2210 if (ha->ports > 1) 2211 cfg1 |= BIT_13; 2212 WRT_REG_WORD(®->cfg_1, cfg1); 2213 2214 /* Set SCSI termination. */ 2215 WRT_REG_WORD(®->gpio_enable, 2216 BIT_7 | BIT_3 | BIT_2 | BIT_1 | BIT_0); 2217 term = nv->termination.scsi_bus_1_control; 2218 term |= nv->termination.scsi_bus_0_control << 2; 2219 term |= nv->termination.auto_term_support << 7; 2220 RD_REG_WORD(®->id_l); /* Flush PCI write */ 2221 WRT_REG_WORD(®->gpio_data, term); 2222 } 2223 RD_REG_WORD(®->id_l); /* Flush PCI write */ 2224 2225 /* ISP parameter word. */ 2226 mb[0] = MBC_SET_SYSTEM_PARAMETER; 2227 mb[1] = nv->isp_parameter; 2228 status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]); 2229 2230 if (IS_ISP1x40(ha)) { 2231 /* clock rate - for qla1240 and older, only */ 2232 mb[0] = MBC_SET_CLOCK_RATE; 2233 mb[1] = 40; 2234 status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb); 2235 } 2236 2237 /* Firmware feature word. */ 2238 mb[0] = MBC_SET_FIRMWARE_FEATURES; 2239 mb[1] = nv->firmware_feature.f.enable_fast_posting; 2240 mb[1] |= nv->firmware_feature.f.report_lvd_bus_transition << 1; 2241 mb[1] |= nv->firmware_feature.f.disable_synchronous_backoff << 5; 2242 status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb); 2243 2244 /* Retry count and delay. */ 2245 mb[0] = MBC_SET_RETRY_COUNT; 2246 mb[1] = nv->bus[0].retry_count; 2247 mb[2] = nv->bus[0].retry_delay; 2248 mb[6] = nv->bus[1].retry_count; 2249 mb[7] = nv->bus[1].retry_delay; 2250 status |= qla1280_mailbox_command(ha, BIT_7 | BIT_6 | BIT_2 | 2251 BIT_1 | BIT_0, &mb[0]); 2252 2253 /* ASYNC data setup time. */ 2254 mb[0] = MBC_SET_ASYNC_DATA_SETUP; 2255 mb[1] = nv->bus[0].config_2.async_data_setup_time; 2256 mb[2] = nv->bus[1].config_2.async_data_setup_time; 2257 status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]); 2258 2259 /* Active negation states. */ 2260 mb[0] = MBC_SET_ACTIVE_NEGATION; 2261 mb[1] = 0; 2262 if (nv->bus[0].config_2.req_ack_active_negation) 2263 mb[1] |= BIT_5; 2264 if (nv->bus[0].config_2.data_line_active_negation) 2265 mb[1] |= BIT_4; 2266 mb[2] = 0; 2267 if (nv->bus[1].config_2.req_ack_active_negation) 2268 mb[2] |= BIT_5; 2269 if (nv->bus[1].config_2.data_line_active_negation) 2270 mb[2] |= BIT_4; 2271 status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, mb); 2272 2273 mb[0] = MBC_SET_DATA_OVERRUN_RECOVERY; 2274 mb[1] = 2; /* Reset SCSI bus and return all outstanding IO */ 2275 status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb); 2276 2277 /* thingy */ 2278 mb[0] = MBC_SET_PCI_CONTROL; 2279 mb[1] = BIT_1; /* Data DMA Channel Burst Enable */ 2280 mb[2] = BIT_1; /* Command DMA Channel Burst Enable */ 2281 status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, mb); 2282 2283 mb[0] = MBC_SET_TAG_AGE_LIMIT; 2284 mb[1] = 8; 2285 status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb); 2286 2287 /* Selection timeout. */ 2288 mb[0] = MBC_SET_SELECTION_TIMEOUT; 2289 mb[1] = nv->bus[0].selection_timeout; 2290 mb[2] = nv->bus[1].selection_timeout; 2291 status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, mb); 2292 2293 for (bus = 0; bus < ha->ports; bus++) 2294 status |= qla1280_config_bus(ha, bus); 2295 2296 if (status) 2297 dprintk(2, "qla1280_nvram_config: **** FAILED ****\n"); 2298 2299 LEAVE("qla1280_nvram_config"); 2300 return status; 2301 } 2302 2303 /* 2304 * Get NVRAM data word 2305 * Calculates word position in NVRAM and calls request routine to 2306 * get the word from NVRAM. 2307 * 2308 * Input: 2309 * ha = adapter block pointer. 2310 * address = NVRAM word address. 2311 * 2312 * Returns: 2313 * data word. 2314 */ 2315 static uint16_t 2316 qla1280_get_nvram_word(struct scsi_qla_host *ha, uint32_t address) 2317 { 2318 uint32_t nv_cmd; 2319 uint16_t data; 2320 2321 nv_cmd = address << 16; 2322 nv_cmd |= NV_READ_OP; 2323 2324 data = le16_to_cpu(qla1280_nvram_request(ha, nv_cmd)); 2325 2326 dprintk(8, "qla1280_get_nvram_word: exiting normally NVRAM data = " 2327 "0x%x", data); 2328 2329 return data; 2330 } 2331 2332 /* 2333 * NVRAM request 2334 * Sends read command to NVRAM and gets data from NVRAM. 2335 * 2336 * Input: 2337 * ha = adapter block pointer. 2338 * nv_cmd = Bit 26 = start bit 2339 * Bit 25, 24 = opcode 2340 * Bit 23-16 = address 2341 * Bit 15-0 = write data 2342 * 2343 * Returns: 2344 * data word. 2345 */ 2346 static uint16_t 2347 qla1280_nvram_request(struct scsi_qla_host *ha, uint32_t nv_cmd) 2348 { 2349 struct device_reg __iomem *reg = ha->iobase; 2350 int cnt; 2351 uint16_t data = 0; 2352 uint16_t reg_data; 2353 2354 /* Send command to NVRAM. */ 2355 2356 nv_cmd <<= 5; 2357 for (cnt = 0; cnt < 11; cnt++) { 2358 if (nv_cmd & BIT_31) 2359 qla1280_nv_write(ha, NV_DATA_OUT); 2360 else 2361 qla1280_nv_write(ha, 0); 2362 nv_cmd <<= 1; 2363 } 2364 2365 /* Read data from NVRAM. */ 2366 2367 for (cnt = 0; cnt < 16; cnt++) { 2368 WRT_REG_WORD(®->nvram, (NV_SELECT | NV_CLOCK)); 2369 RD_REG_WORD(®->id_l); /* Flush PCI write */ 2370 NVRAM_DELAY(); 2371 data <<= 1; 2372 reg_data = RD_REG_WORD(®->nvram); 2373 if (reg_data & NV_DATA_IN) 2374 data |= BIT_0; 2375 WRT_REG_WORD(®->nvram, NV_SELECT); 2376 RD_REG_WORD(®->id_l); /* Flush PCI write */ 2377 NVRAM_DELAY(); 2378 } 2379 2380 /* Deselect chip. */ 2381 2382 WRT_REG_WORD(®->nvram, NV_DESELECT); 2383 RD_REG_WORD(®->id_l); /* Flush PCI write */ 2384 NVRAM_DELAY(); 2385 2386 return data; 2387 } 2388 2389 static void 2390 qla1280_nv_write(struct scsi_qla_host *ha, uint16_t data) 2391 { 2392 struct device_reg __iomem *reg = ha->iobase; 2393 2394 WRT_REG_WORD(®->nvram, data | NV_SELECT); 2395 RD_REG_WORD(®->id_l); /* Flush PCI write */ 2396 NVRAM_DELAY(); 2397 WRT_REG_WORD(®->nvram, data | NV_SELECT | NV_CLOCK); 2398 RD_REG_WORD(®->id_l); /* Flush PCI write */ 2399 NVRAM_DELAY(); 2400 WRT_REG_WORD(®->nvram, data | NV_SELECT); 2401 RD_REG_WORD(®->id_l); /* Flush PCI write */ 2402 NVRAM_DELAY(); 2403 } 2404 2405 /* 2406 * Mailbox Command 2407 * Issue mailbox command and waits for completion. 2408 * 2409 * Input: 2410 * ha = adapter block pointer. 2411 * mr = mailbox registers to load. 2412 * mb = data pointer for mailbox registers. 2413 * 2414 * Output: 2415 * mb[MAILBOX_REGISTER_COUNT] = returned mailbox data. 2416 * 2417 * Returns: 2418 * 0 = success 2419 */ 2420 static int 2421 qla1280_mailbox_command(struct scsi_qla_host *ha, uint8_t mr, uint16_t *mb) 2422 { 2423 struct device_reg __iomem *reg = ha->iobase; 2424 int status = 0; 2425 int cnt; 2426 uint16_t *optr, *iptr; 2427 uint16_t __iomem *mptr; 2428 DECLARE_COMPLETION_ONSTACK(wait); 2429 2430 ENTER("qla1280_mailbox_command"); 2431 2432 if (ha->mailbox_wait) { 2433 printk(KERN_ERR "Warning mailbox wait already in use!\n"); 2434 } 2435 ha->mailbox_wait = &wait; 2436 2437 /* 2438 * We really should start out by verifying that the mailbox is 2439 * available before starting sending the command data 2440 */ 2441 /* Load mailbox registers. */ 2442 mptr = (uint16_t __iomem *) ®->mailbox0; 2443 iptr = mb; 2444 for (cnt = 0; cnt < MAILBOX_REGISTER_COUNT; cnt++) { 2445 if (mr & BIT_0) { 2446 WRT_REG_WORD(mptr, (*iptr)); 2447 } 2448 2449 mr >>= 1; 2450 mptr++; 2451 iptr++; 2452 } 2453 2454 /* Issue set host interrupt command. */ 2455 2456 /* set up a timer just in case we're really jammed */ 2457 timer_setup(&ha->mailbox_timer, qla1280_mailbox_timeout, 0); 2458 mod_timer(&ha->mailbox_timer, jiffies + 20 * HZ); 2459 2460 spin_unlock_irq(ha->host->host_lock); 2461 WRT_REG_WORD(®->host_cmd, HC_SET_HOST_INT); 2462 qla1280_debounce_register(®->istatus); 2463 2464 wait_for_completion(&wait); 2465 del_timer_sync(&ha->mailbox_timer); 2466 2467 spin_lock_irq(ha->host->host_lock); 2468 2469 ha->mailbox_wait = NULL; 2470 2471 /* Check for mailbox command timeout. */ 2472 if (ha->mailbox_out[0] != MBS_CMD_CMP) { 2473 printk(KERN_WARNING "qla1280_mailbox_command: Command failed, " 2474 "mailbox0 = 0x%04x, mailbox_out0 = 0x%04x, istatus = " 2475 "0x%04x\n", 2476 mb[0], ha->mailbox_out[0], RD_REG_WORD(®->istatus)); 2477 printk(KERN_WARNING "m0 %04x, m1 %04x, m2 %04x, m3 %04x\n", 2478 RD_REG_WORD(®->mailbox0), RD_REG_WORD(®->mailbox1), 2479 RD_REG_WORD(®->mailbox2), RD_REG_WORD(®->mailbox3)); 2480 printk(KERN_WARNING "m4 %04x, m5 %04x, m6 %04x, m7 %04x\n", 2481 RD_REG_WORD(®->mailbox4), RD_REG_WORD(®->mailbox5), 2482 RD_REG_WORD(®->mailbox6), RD_REG_WORD(®->mailbox7)); 2483 status = 1; 2484 } 2485 2486 /* Load return mailbox registers. */ 2487 optr = mb; 2488 iptr = (uint16_t *) &ha->mailbox_out[0]; 2489 mr = MAILBOX_REGISTER_COUNT; 2490 memcpy(optr, iptr, MAILBOX_REGISTER_COUNT * sizeof(uint16_t)); 2491 2492 if (ha->flags.reset_marker) 2493 qla1280_rst_aen(ha); 2494 2495 if (status) 2496 dprintk(2, "qla1280_mailbox_command: **** FAILED, mailbox0 = " 2497 "0x%x ****\n", mb[0]); 2498 2499 LEAVE("qla1280_mailbox_command"); 2500 return status; 2501 } 2502 2503 /* 2504 * qla1280_poll 2505 * Polls ISP for interrupts. 2506 * 2507 * Input: 2508 * ha = adapter block pointer. 2509 */ 2510 static void 2511 qla1280_poll(struct scsi_qla_host *ha) 2512 { 2513 struct device_reg __iomem *reg = ha->iobase; 2514 uint16_t data; 2515 LIST_HEAD(done_q); 2516 2517 /* ENTER("qla1280_poll"); */ 2518 2519 /* Check for pending interrupts. */ 2520 data = RD_REG_WORD(®->istatus); 2521 if (data & RISC_INT) 2522 qla1280_isr(ha, &done_q); 2523 2524 if (!ha->mailbox_wait) { 2525 if (ha->flags.reset_marker) 2526 qla1280_rst_aen(ha); 2527 } 2528 2529 if (!list_empty(&done_q)) 2530 qla1280_done(ha); 2531 2532 /* LEAVE("qla1280_poll"); */ 2533 } 2534 2535 /* 2536 * qla1280_bus_reset 2537 * Issue SCSI bus reset. 2538 * 2539 * Input: 2540 * ha = adapter block pointer. 2541 * bus = SCSI bus number. 2542 * 2543 * Returns: 2544 * 0 = success 2545 */ 2546 static int 2547 qla1280_bus_reset(struct scsi_qla_host *ha, int bus) 2548 { 2549 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2550 uint16_t reset_delay; 2551 int status; 2552 2553 dprintk(3, "qla1280_bus_reset: entered\n"); 2554 2555 if (qla1280_verbose) 2556 printk(KERN_INFO "scsi(%li:%i): Resetting SCSI BUS\n", 2557 ha->host_no, bus); 2558 2559 reset_delay = ha->bus_settings[bus].bus_reset_delay; 2560 mb[0] = MBC_BUS_RESET; 2561 mb[1] = reset_delay; 2562 mb[2] = (uint16_t) bus; 2563 status = qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]); 2564 2565 if (status) { 2566 if (ha->bus_settings[bus].failed_reset_count > 2) 2567 ha->bus_settings[bus].scsi_bus_dead = 1; 2568 ha->bus_settings[bus].failed_reset_count++; 2569 } else { 2570 spin_unlock_irq(ha->host->host_lock); 2571 ssleep(reset_delay); 2572 spin_lock_irq(ha->host->host_lock); 2573 2574 ha->bus_settings[bus].scsi_bus_dead = 0; 2575 ha->bus_settings[bus].failed_reset_count = 0; 2576 ha->bus_settings[bus].reset_marker = 0; 2577 /* Issue marker command. */ 2578 qla1280_marker(ha, bus, 0, 0, MK_SYNC_ALL); 2579 } 2580 2581 /* 2582 * We should probably call qla1280_set_target_parameters() 2583 * here as well for all devices on the bus. 2584 */ 2585 2586 if (status) 2587 dprintk(2, "qla1280_bus_reset: **** FAILED ****\n"); 2588 else 2589 dprintk(3, "qla1280_bus_reset: exiting normally\n"); 2590 2591 return status; 2592 } 2593 2594 /* 2595 * qla1280_device_reset 2596 * Issue bus device reset message to the target. 2597 * 2598 * Input: 2599 * ha = adapter block pointer. 2600 * bus = SCSI BUS number. 2601 * target = SCSI ID. 2602 * 2603 * Returns: 2604 * 0 = success 2605 */ 2606 static int 2607 qla1280_device_reset(struct scsi_qla_host *ha, int bus, int target) 2608 { 2609 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2610 int status; 2611 2612 ENTER("qla1280_device_reset"); 2613 2614 mb[0] = MBC_ABORT_TARGET; 2615 mb[1] = (bus ? (target | BIT_7) : target) << 8; 2616 mb[2] = 1; 2617 status = qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]); 2618 2619 /* Issue marker command. */ 2620 qla1280_marker(ha, bus, target, 0, MK_SYNC_ID); 2621 2622 if (status) 2623 dprintk(2, "qla1280_device_reset: **** FAILED ****\n"); 2624 2625 LEAVE("qla1280_device_reset"); 2626 return status; 2627 } 2628 2629 /* 2630 * qla1280_abort_command 2631 * Abort command aborts a specified IOCB. 2632 * 2633 * Input: 2634 * ha = adapter block pointer. 2635 * sp = SB structure pointer. 2636 * 2637 * Returns: 2638 * 0 = success 2639 */ 2640 static int 2641 qla1280_abort_command(struct scsi_qla_host *ha, struct srb * sp, int handle) 2642 { 2643 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2644 unsigned int bus, target, lun; 2645 int status; 2646 2647 ENTER("qla1280_abort_command"); 2648 2649 bus = SCSI_BUS_32(sp->cmd); 2650 target = SCSI_TCN_32(sp->cmd); 2651 lun = SCSI_LUN_32(sp->cmd); 2652 2653 sp->flags |= SRB_ABORT_PENDING; 2654 2655 mb[0] = MBC_ABORT_COMMAND; 2656 mb[1] = (bus ? target | BIT_7 : target) << 8 | lun; 2657 mb[2] = handle >> 16; 2658 mb[3] = handle & 0xffff; 2659 status = qla1280_mailbox_command(ha, 0x0f, &mb[0]); 2660 2661 if (status) { 2662 dprintk(2, "qla1280_abort_command: **** FAILED ****\n"); 2663 sp->flags &= ~SRB_ABORT_PENDING; 2664 } 2665 2666 2667 LEAVE("qla1280_abort_command"); 2668 return status; 2669 } 2670 2671 /* 2672 * qla1280_reset_adapter 2673 * Reset adapter. 2674 * 2675 * Input: 2676 * ha = adapter block pointer. 2677 */ 2678 static void 2679 qla1280_reset_adapter(struct scsi_qla_host *ha) 2680 { 2681 struct device_reg __iomem *reg = ha->iobase; 2682 2683 ENTER("qla1280_reset_adapter"); 2684 2685 /* Disable ISP chip */ 2686 ha->flags.online = 0; 2687 WRT_REG_WORD(®->ictrl, ISP_RESET); 2688 WRT_REG_WORD(®->host_cmd, 2689 HC_RESET_RISC | HC_RELEASE_RISC | HC_DISABLE_BIOS); 2690 RD_REG_WORD(®->id_l); /* Flush PCI write */ 2691 2692 LEAVE("qla1280_reset_adapter"); 2693 } 2694 2695 /* 2696 * Issue marker command. 2697 * Function issues marker IOCB. 2698 * 2699 * Input: 2700 * ha = adapter block pointer. 2701 * bus = SCSI BUS number 2702 * id = SCSI ID 2703 * lun = SCSI LUN 2704 * type = marker modifier 2705 */ 2706 static void 2707 qla1280_marker(struct scsi_qla_host *ha, int bus, int id, int lun, u8 type) 2708 { 2709 struct mrk_entry *pkt; 2710 2711 ENTER("qla1280_marker"); 2712 2713 /* Get request packet. */ 2714 if ((pkt = (struct mrk_entry *) qla1280_req_pkt(ha))) { 2715 pkt->entry_type = MARKER_TYPE; 2716 pkt->lun = (uint8_t) lun; 2717 pkt->target = (uint8_t) (bus ? (id | BIT_7) : id); 2718 pkt->modifier = type; 2719 pkt->entry_status = 0; 2720 2721 /* Issue command to ISP */ 2722 qla1280_isp_cmd(ha); 2723 } 2724 2725 LEAVE("qla1280_marker"); 2726 } 2727 2728 2729 /* 2730 * qla1280_64bit_start_scsi 2731 * The start SCSI is responsible for building request packets on 2732 * request ring and modifying ISP input pointer. 2733 * 2734 * Input: 2735 * ha = adapter block pointer. 2736 * sp = SB structure pointer. 2737 * 2738 * Returns: 2739 * 0 = success, was able to issue command. 2740 */ 2741 #ifdef QLA_64BIT_PTR 2742 static int 2743 qla1280_64bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp) 2744 { 2745 struct device_reg __iomem *reg = ha->iobase; 2746 struct scsi_cmnd *cmd = sp->cmd; 2747 cmd_a64_entry_t *pkt; 2748 __le32 *dword_ptr; 2749 dma_addr_t dma_handle; 2750 int status = 0; 2751 int cnt; 2752 int req_cnt; 2753 int seg_cnt; 2754 u8 dir; 2755 2756 ENTER("qla1280_64bit_start_scsi:"); 2757 2758 /* Calculate number of entries and segments required. */ 2759 req_cnt = 1; 2760 seg_cnt = scsi_dma_map(cmd); 2761 if (seg_cnt > 0) { 2762 if (seg_cnt > 2) { 2763 req_cnt += (seg_cnt - 2) / 5; 2764 if ((seg_cnt - 2) % 5) 2765 req_cnt++; 2766 } 2767 } else if (seg_cnt < 0) { 2768 status = 1; 2769 goto out; 2770 } 2771 2772 if ((req_cnt + 2) >= ha->req_q_cnt) { 2773 /* Calculate number of free request entries. */ 2774 cnt = RD_REG_WORD(®->mailbox4); 2775 if (ha->req_ring_index < cnt) 2776 ha->req_q_cnt = cnt - ha->req_ring_index; 2777 else 2778 ha->req_q_cnt = 2779 REQUEST_ENTRY_CNT - (ha->req_ring_index - cnt); 2780 } 2781 2782 dprintk(3, "Number of free entries=(%d) seg_cnt=0x%x\n", 2783 ha->req_q_cnt, seg_cnt); 2784 2785 /* If room for request in request ring. */ 2786 if ((req_cnt + 2) >= ha->req_q_cnt) { 2787 status = SCSI_MLQUEUE_HOST_BUSY; 2788 dprintk(2, "qla1280_start_scsi: in-ptr=0x%x req_q_cnt=" 2789 "0x%xreq_cnt=0x%x", ha->req_ring_index, ha->req_q_cnt, 2790 req_cnt); 2791 goto out; 2792 } 2793 2794 /* Check for room in outstanding command list. */ 2795 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS && 2796 ha->outstanding_cmds[cnt] != NULL; cnt++); 2797 2798 if (cnt >= MAX_OUTSTANDING_COMMANDS) { 2799 status = SCSI_MLQUEUE_HOST_BUSY; 2800 dprintk(2, "qla1280_start_scsi: NO ROOM IN " 2801 "OUTSTANDING ARRAY, req_q_cnt=0x%x", ha->req_q_cnt); 2802 goto out; 2803 } 2804 2805 ha->outstanding_cmds[cnt] = sp; 2806 ha->req_q_cnt -= req_cnt; 2807 CMD_HANDLE(sp->cmd) = (unsigned char *)(unsigned long)(cnt + 1); 2808 2809 dprintk(2, "start: cmd=%p sp=%p CDB=%xm, handle %lx\n", cmd, sp, 2810 cmd->cmnd[0], (long)CMD_HANDLE(sp->cmd)); 2811 dprintk(2, " bus %i, target %i, lun %i\n", 2812 SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), SCSI_LUN_32(cmd)); 2813 qla1280_dump_buffer(2, cmd->cmnd, MAX_COMMAND_SIZE); 2814 2815 /* 2816 * Build command packet. 2817 */ 2818 pkt = (cmd_a64_entry_t *) ha->request_ring_ptr; 2819 2820 pkt->entry_type = COMMAND_A64_TYPE; 2821 pkt->entry_count = (uint8_t) req_cnt; 2822 pkt->sys_define = (uint8_t) ha->req_ring_index; 2823 pkt->entry_status = 0; 2824 pkt->handle = cpu_to_le32(cnt); 2825 2826 /* Zero out remaining portion of packet. */ 2827 memset(((char *)pkt + 8), 0, (REQUEST_ENTRY_SIZE - 8)); 2828 2829 /* Set ISP command timeout. */ 2830 pkt->timeout = cpu_to_le16(cmd->request->timeout/HZ); 2831 2832 /* Set device target ID and LUN */ 2833 pkt->lun = SCSI_LUN_32(cmd); 2834 pkt->target = SCSI_BUS_32(cmd) ? 2835 (SCSI_TCN_32(cmd) | BIT_7) : SCSI_TCN_32(cmd); 2836 2837 /* Enable simple tag queuing if device supports it. */ 2838 if (cmd->device->simple_tags) 2839 pkt->control_flags |= cpu_to_le16(BIT_3); 2840 2841 /* Load SCSI command packet. */ 2842 pkt->cdb_len = cpu_to_le16(CMD_CDBLEN(cmd)); 2843 memcpy(pkt->scsi_cdb, CMD_CDBP(cmd), CMD_CDBLEN(cmd)); 2844 /* dprintk(1, "Build packet for command[0]=0x%x\n",pkt->scsi_cdb[0]); */ 2845 2846 /* Set transfer direction. */ 2847 dir = qla1280_data_direction(cmd); 2848 pkt->control_flags |= cpu_to_le16(dir); 2849 2850 /* Set total data segment count. */ 2851 pkt->dseg_count = cpu_to_le16(seg_cnt); 2852 2853 /* 2854 * Load data segments. 2855 */ 2856 if (seg_cnt) { /* If data transfer. */ 2857 struct scatterlist *sg, *s; 2858 int remseg = seg_cnt; 2859 2860 sg = scsi_sglist(cmd); 2861 2862 /* Setup packet address segment pointer. */ 2863 dword_ptr = (u32 *)&pkt->dseg_0_address; 2864 2865 /* Load command entry data segments. */ 2866 for_each_sg(sg, s, seg_cnt, cnt) { 2867 if (cnt == 2) 2868 break; 2869 2870 dma_handle = sg_dma_address(s); 2871 *dword_ptr++ = 2872 cpu_to_le32(lower_32_bits(dma_handle)); 2873 *dword_ptr++ = 2874 cpu_to_le32(upper_32_bits(dma_handle)); 2875 *dword_ptr++ = cpu_to_le32(sg_dma_len(s)); 2876 dprintk(3, "S/G Segment phys_addr=%x %x, len=0x%x\n", 2877 cpu_to_le32(upper_32_bits(dma_handle)), 2878 cpu_to_le32(lower_32_bits(dma_handle)), 2879 cpu_to_le32(sg_dma_len(sg_next(s)))); 2880 remseg--; 2881 } 2882 dprintk(5, "qla1280_64bit_start_scsi: Scatter/gather " 2883 "command packet data - b %i, t %i, l %i \n", 2884 SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), 2885 SCSI_LUN_32(cmd)); 2886 qla1280_dump_buffer(5, (char *)pkt, 2887 REQUEST_ENTRY_SIZE); 2888 2889 /* 2890 * Build continuation packets. 2891 */ 2892 dprintk(3, "S/G Building Continuation...seg_cnt=0x%x " 2893 "remains\n", seg_cnt); 2894 2895 while (remseg > 0) { 2896 /* Update sg start */ 2897 sg = s; 2898 /* Adjust ring index. */ 2899 ha->req_ring_index++; 2900 if (ha->req_ring_index == REQUEST_ENTRY_CNT) { 2901 ha->req_ring_index = 0; 2902 ha->request_ring_ptr = 2903 ha->request_ring; 2904 } else 2905 ha->request_ring_ptr++; 2906 2907 pkt = (cmd_a64_entry_t *)ha->request_ring_ptr; 2908 2909 /* Zero out packet. */ 2910 memset(pkt, 0, REQUEST_ENTRY_SIZE); 2911 2912 /* Load packet defaults. */ 2913 ((struct cont_a64_entry *) pkt)->entry_type = 2914 CONTINUE_A64_TYPE; 2915 ((struct cont_a64_entry *) pkt)->entry_count = 1; 2916 ((struct cont_a64_entry *) pkt)->sys_define = 2917 (uint8_t)ha->req_ring_index; 2918 /* Setup packet address segment pointer. */ 2919 dword_ptr = 2920 (u32 *)&((struct cont_a64_entry *) pkt)->dseg_0_address; 2921 2922 /* Load continuation entry data segments. */ 2923 for_each_sg(sg, s, remseg, cnt) { 2924 if (cnt == 5) 2925 break; 2926 dma_handle = sg_dma_address(s); 2927 *dword_ptr++ = 2928 cpu_to_le32(lower_32_bits(dma_handle)); 2929 *dword_ptr++ = 2930 cpu_to_le32(upper_32_bits(dma_handle)); 2931 *dword_ptr++ = 2932 cpu_to_le32(sg_dma_len(s)); 2933 dprintk(3, "S/G Segment Cont. phys_addr=%x %x, len=0x%x\n", 2934 cpu_to_le32(upper_32_bits(dma_handle)), 2935 cpu_to_le32(lower_32_bits(dma_handle)), 2936 cpu_to_le32(sg_dma_len(s))); 2937 } 2938 remseg -= cnt; 2939 dprintk(5, "qla1280_64bit_start_scsi: " 2940 "continuation packet data - b %i, t " 2941 "%i, l %i \n", SCSI_BUS_32(cmd), 2942 SCSI_TCN_32(cmd), SCSI_LUN_32(cmd)); 2943 qla1280_dump_buffer(5, (char *)pkt, 2944 REQUEST_ENTRY_SIZE); 2945 } 2946 } else { /* No data transfer */ 2947 dprintk(5, "qla1280_64bit_start_scsi: No data, command " 2948 "packet data - b %i, t %i, l %i \n", 2949 SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), SCSI_LUN_32(cmd)); 2950 qla1280_dump_buffer(5, (char *)pkt, REQUEST_ENTRY_SIZE); 2951 } 2952 /* Adjust ring index. */ 2953 ha->req_ring_index++; 2954 if (ha->req_ring_index == REQUEST_ENTRY_CNT) { 2955 ha->req_ring_index = 0; 2956 ha->request_ring_ptr = ha->request_ring; 2957 } else 2958 ha->request_ring_ptr++; 2959 2960 /* Set chip new ring index. */ 2961 dprintk(2, 2962 "qla1280_64bit_start_scsi: Wakeup RISC for pending command\n"); 2963 sp->flags |= SRB_SENT; 2964 ha->actthreads++; 2965 WRT_REG_WORD(®->mailbox4, ha->req_ring_index); 2966 2967 out: 2968 if (status) 2969 dprintk(2, "qla1280_64bit_start_scsi: **** FAILED ****\n"); 2970 else 2971 dprintk(3, "qla1280_64bit_start_scsi: exiting normally\n"); 2972 2973 return status; 2974 } 2975 #else /* !QLA_64BIT_PTR */ 2976 2977 /* 2978 * qla1280_32bit_start_scsi 2979 * The start SCSI is responsible for building request packets on 2980 * request ring and modifying ISP input pointer. 2981 * 2982 * The Qlogic firmware interface allows every queue slot to have a SCSI 2983 * command and up to 4 scatter/gather (SG) entries. If we need more 2984 * than 4 SG entries, then continuation entries are used that can 2985 * hold another 7 entries each. The start routine determines if there 2986 * is eought empty slots then build the combination of requests to 2987 * fulfill the OS request. 2988 * 2989 * Input: 2990 * ha = adapter block pointer. 2991 * sp = SCSI Request Block structure pointer. 2992 * 2993 * Returns: 2994 * 0 = success, was able to issue command. 2995 */ 2996 static int 2997 qla1280_32bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp) 2998 { 2999 struct device_reg __iomem *reg = ha->iobase; 3000 struct scsi_cmnd *cmd = sp->cmd; 3001 struct cmd_entry *pkt; 3002 __le32 *dword_ptr; 3003 int status = 0; 3004 int cnt; 3005 int req_cnt; 3006 int seg_cnt; 3007 u8 dir; 3008 3009 ENTER("qla1280_32bit_start_scsi"); 3010 3011 dprintk(1, "32bit_start: cmd=%p sp=%p CDB=%x\n", cmd, sp, 3012 cmd->cmnd[0]); 3013 3014 /* Calculate number of entries and segments required. */ 3015 req_cnt = 1; 3016 seg_cnt = scsi_dma_map(cmd); 3017 if (seg_cnt) { 3018 /* 3019 * if greater than four sg entries then we need to allocate 3020 * continuation entries 3021 */ 3022 if (seg_cnt > 4) { 3023 req_cnt += (seg_cnt - 4) / 7; 3024 if ((seg_cnt - 4) % 7) 3025 req_cnt++; 3026 } 3027 dprintk(3, "S/G Transfer cmd=%p seg_cnt=0x%x, req_cnt=%x\n", 3028 cmd, seg_cnt, req_cnt); 3029 } else if (seg_cnt < 0) { 3030 status = 1; 3031 goto out; 3032 } 3033 3034 if ((req_cnt + 2) >= ha->req_q_cnt) { 3035 /* Calculate number of free request entries. */ 3036 cnt = RD_REG_WORD(®->mailbox4); 3037 if (ha->req_ring_index < cnt) 3038 ha->req_q_cnt = cnt - ha->req_ring_index; 3039 else 3040 ha->req_q_cnt = 3041 REQUEST_ENTRY_CNT - (ha->req_ring_index - cnt); 3042 } 3043 3044 dprintk(3, "Number of free entries=(%d) seg_cnt=0x%x\n", 3045 ha->req_q_cnt, seg_cnt); 3046 /* If room for request in request ring. */ 3047 if ((req_cnt + 2) >= ha->req_q_cnt) { 3048 status = SCSI_MLQUEUE_HOST_BUSY; 3049 dprintk(2, "qla1280_32bit_start_scsi: in-ptr=0x%x, " 3050 "req_q_cnt=0x%x, req_cnt=0x%x", ha->req_ring_index, 3051 ha->req_q_cnt, req_cnt); 3052 goto out; 3053 } 3054 3055 /* Check for empty slot in outstanding command list. */ 3056 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS && 3057 (ha->outstanding_cmds[cnt] != 0); cnt++) ; 3058 3059 if (cnt >= MAX_OUTSTANDING_COMMANDS) { 3060 status = SCSI_MLQUEUE_HOST_BUSY; 3061 dprintk(2, "qla1280_32bit_start_scsi: NO ROOM IN OUTSTANDING " 3062 "ARRAY, req_q_cnt=0x%x\n", ha->req_q_cnt); 3063 goto out; 3064 } 3065 3066 CMD_HANDLE(sp->cmd) = (unsigned char *) (unsigned long)(cnt + 1); 3067 ha->outstanding_cmds[cnt] = sp; 3068 ha->req_q_cnt -= req_cnt; 3069 3070 /* 3071 * Build command packet. 3072 */ 3073 pkt = (struct cmd_entry *) ha->request_ring_ptr; 3074 3075 pkt->entry_type = COMMAND_TYPE; 3076 pkt->entry_count = (uint8_t) req_cnt; 3077 pkt->sys_define = (uint8_t) ha->req_ring_index; 3078 pkt->entry_status = 0; 3079 pkt->handle = cpu_to_le32(cnt); 3080 3081 /* Zero out remaining portion of packet. */ 3082 memset(((char *)pkt + 8), 0, (REQUEST_ENTRY_SIZE - 8)); 3083 3084 /* Set ISP command timeout. */ 3085 pkt->timeout = cpu_to_le16(cmd->request->timeout/HZ); 3086 3087 /* Set device target ID and LUN */ 3088 pkt->lun = SCSI_LUN_32(cmd); 3089 pkt->target = SCSI_BUS_32(cmd) ? 3090 (SCSI_TCN_32(cmd) | BIT_7) : SCSI_TCN_32(cmd); 3091 3092 /* Enable simple tag queuing if device supports it. */ 3093 if (cmd->device->simple_tags) 3094 pkt->control_flags |= cpu_to_le16(BIT_3); 3095 3096 /* Load SCSI command packet. */ 3097 pkt->cdb_len = cpu_to_le16(CMD_CDBLEN(cmd)); 3098 memcpy(pkt->scsi_cdb, CMD_CDBP(cmd), CMD_CDBLEN(cmd)); 3099 3100 /*dprintk(1, "Build packet for command[0]=0x%x\n",pkt->scsi_cdb[0]); */ 3101 /* Set transfer direction. */ 3102 dir = qla1280_data_direction(cmd); 3103 pkt->control_flags |= cpu_to_le16(dir); 3104 3105 /* Set total data segment count. */ 3106 pkt->dseg_count = cpu_to_le16(seg_cnt); 3107 3108 /* 3109 * Load data segments. 3110 */ 3111 if (seg_cnt) { 3112 struct scatterlist *sg, *s; 3113 int remseg = seg_cnt; 3114 3115 sg = scsi_sglist(cmd); 3116 3117 /* Setup packet address segment pointer. */ 3118 dword_ptr = &pkt->dseg_0_address; 3119 3120 dprintk(3, "Building S/G data segments..\n"); 3121 qla1280_dump_buffer(1, (char *)sg, 4 * 16); 3122 3123 /* Load command entry data segments. */ 3124 for_each_sg(sg, s, seg_cnt, cnt) { 3125 if (cnt == 4) 3126 break; 3127 *dword_ptr++ = 3128 cpu_to_le32(lower_32_bits(sg_dma_address(s))); 3129 *dword_ptr++ = cpu_to_le32(sg_dma_len(s)); 3130 dprintk(3, "S/G Segment phys_addr=0x%lx, len=0x%x\n", 3131 (lower_32_bits(sg_dma_address(s))), 3132 (sg_dma_len(s))); 3133 remseg--; 3134 } 3135 /* 3136 * Build continuation packets. 3137 */ 3138 dprintk(3, "S/G Building Continuation" 3139 "...seg_cnt=0x%x remains\n", seg_cnt); 3140 while (remseg > 0) { 3141 /* Continue from end point */ 3142 sg = s; 3143 /* Adjust ring index. */ 3144 ha->req_ring_index++; 3145 if (ha->req_ring_index == REQUEST_ENTRY_CNT) { 3146 ha->req_ring_index = 0; 3147 ha->request_ring_ptr = 3148 ha->request_ring; 3149 } else 3150 ha->request_ring_ptr++; 3151 3152 pkt = (struct cmd_entry *)ha->request_ring_ptr; 3153 3154 /* Zero out packet. */ 3155 memset(pkt, 0, REQUEST_ENTRY_SIZE); 3156 3157 /* Load packet defaults. */ 3158 ((struct cont_entry *) pkt)-> 3159 entry_type = CONTINUE_TYPE; 3160 ((struct cont_entry *) pkt)->entry_count = 1; 3161 3162 ((struct cont_entry *) pkt)->sys_define = 3163 (uint8_t) ha->req_ring_index; 3164 3165 /* Setup packet address segment pointer. */ 3166 dword_ptr = 3167 &((struct cont_entry *) pkt)->dseg_0_address; 3168 3169 /* Load continuation entry data segments. */ 3170 for_each_sg(sg, s, remseg, cnt) { 3171 if (cnt == 7) 3172 break; 3173 *dword_ptr++ = 3174 cpu_to_le32(lower_32_bits(sg_dma_address(s))); 3175 *dword_ptr++ = 3176 cpu_to_le32(sg_dma_len(s)); 3177 dprintk(1, 3178 "S/G Segment Cont. phys_addr=0x%x, " 3179 "len=0x%x\n", 3180 cpu_to_le32(lower_32_bits(sg_dma_address(s))), 3181 cpu_to_le32(sg_dma_len(s))); 3182 } 3183 remseg -= cnt; 3184 dprintk(5, "qla1280_32bit_start_scsi: " 3185 "continuation packet data - " 3186 "scsi(%i:%i:%i)\n", SCSI_BUS_32(cmd), 3187 SCSI_TCN_32(cmd), SCSI_LUN_32(cmd)); 3188 qla1280_dump_buffer(5, (char *)pkt, 3189 REQUEST_ENTRY_SIZE); 3190 } 3191 } else { /* No data transfer at all */ 3192 dprintk(5, "qla1280_32bit_start_scsi: No data, command " 3193 "packet data - \n"); 3194 qla1280_dump_buffer(5, (char *)pkt, REQUEST_ENTRY_SIZE); 3195 } 3196 dprintk(5, "qla1280_32bit_start_scsi: First IOCB block:\n"); 3197 qla1280_dump_buffer(5, (char *)ha->request_ring_ptr, 3198 REQUEST_ENTRY_SIZE); 3199 3200 /* Adjust ring index. */ 3201 ha->req_ring_index++; 3202 if (ha->req_ring_index == REQUEST_ENTRY_CNT) { 3203 ha->req_ring_index = 0; 3204 ha->request_ring_ptr = ha->request_ring; 3205 } else 3206 ha->request_ring_ptr++; 3207 3208 /* Set chip new ring index. */ 3209 dprintk(2, "qla1280_32bit_start_scsi: Wakeup RISC " 3210 "for pending command\n"); 3211 sp->flags |= SRB_SENT; 3212 ha->actthreads++; 3213 WRT_REG_WORD(®->mailbox4, ha->req_ring_index); 3214 3215 out: 3216 if (status) 3217 dprintk(2, "qla1280_32bit_start_scsi: **** FAILED ****\n"); 3218 3219 LEAVE("qla1280_32bit_start_scsi"); 3220 3221 return status; 3222 } 3223 #endif 3224 3225 /* 3226 * qla1280_req_pkt 3227 * Function is responsible for locking ring and 3228 * getting a zeroed out request packet. 3229 * 3230 * Input: 3231 * ha = adapter block pointer. 3232 * 3233 * Returns: 3234 * 0 = failed to get slot. 3235 */ 3236 static request_t * 3237 qla1280_req_pkt(struct scsi_qla_host *ha) 3238 { 3239 struct device_reg __iomem *reg = ha->iobase; 3240 request_t *pkt = NULL; 3241 int cnt; 3242 uint32_t timer; 3243 3244 ENTER("qla1280_req_pkt"); 3245 3246 /* 3247 * This can be called from interrupt context, damn it!!! 3248 */ 3249 /* Wait for 30 seconds for slot. */ 3250 for (timer = 15000000; timer; timer--) { 3251 if (ha->req_q_cnt > 0) { 3252 /* Calculate number of free request entries. */ 3253 cnt = RD_REG_WORD(®->mailbox4); 3254 if (ha->req_ring_index < cnt) 3255 ha->req_q_cnt = cnt - ha->req_ring_index; 3256 else 3257 ha->req_q_cnt = 3258 REQUEST_ENTRY_CNT - (ha->req_ring_index - cnt); 3259 } 3260 3261 /* Found empty request ring slot? */ 3262 if (ha->req_q_cnt > 0) { 3263 ha->req_q_cnt--; 3264 pkt = ha->request_ring_ptr; 3265 3266 /* Zero out packet. */ 3267 memset(pkt, 0, REQUEST_ENTRY_SIZE); 3268 3269 /* 3270 * How can this be right when we have a ring 3271 * size of 512??? 3272 */ 3273 /* Set system defined field. */ 3274 pkt->sys_define = (uint8_t) ha->req_ring_index; 3275 3276 /* Set entry count. */ 3277 pkt->entry_count = 1; 3278 3279 break; 3280 } 3281 3282 udelay(2); /* 10 */ 3283 3284 /* Check for pending interrupts. */ 3285 qla1280_poll(ha); 3286 } 3287 3288 if (!pkt) 3289 dprintk(2, "qla1280_req_pkt: **** FAILED ****\n"); 3290 else 3291 dprintk(3, "qla1280_req_pkt: exiting normally\n"); 3292 3293 return pkt; 3294 } 3295 3296 /* 3297 * qla1280_isp_cmd 3298 * Function is responsible for modifying ISP input pointer. 3299 * Releases ring lock. 3300 * 3301 * Input: 3302 * ha = adapter block pointer. 3303 */ 3304 static void 3305 qla1280_isp_cmd(struct scsi_qla_host *ha) 3306 { 3307 struct device_reg __iomem *reg = ha->iobase; 3308 3309 ENTER("qla1280_isp_cmd"); 3310 3311 dprintk(5, "qla1280_isp_cmd: IOCB data:\n"); 3312 qla1280_dump_buffer(5, (char *)ha->request_ring_ptr, 3313 REQUEST_ENTRY_SIZE); 3314 3315 /* Adjust ring index. */ 3316 ha->req_ring_index++; 3317 if (ha->req_ring_index == REQUEST_ENTRY_CNT) { 3318 ha->req_ring_index = 0; 3319 ha->request_ring_ptr = ha->request_ring; 3320 } else 3321 ha->request_ring_ptr++; 3322 3323 /* 3324 * Update request index to mailbox4 (Request Queue In). 3325 */ 3326 WRT_REG_WORD(®->mailbox4, ha->req_ring_index); 3327 3328 LEAVE("qla1280_isp_cmd"); 3329 } 3330 3331 /****************************************************************************/ 3332 /* Interrupt Service Routine. */ 3333 /****************************************************************************/ 3334 3335 /**************************************************************************** 3336 * qla1280_isr 3337 * Calls I/O done on command completion. 3338 * 3339 * Input: 3340 * ha = adapter block pointer. 3341 * done_q = done queue. 3342 ****************************************************************************/ 3343 static void 3344 qla1280_isr(struct scsi_qla_host *ha, struct list_head *done_q) 3345 { 3346 struct device_reg __iomem *reg = ha->iobase; 3347 struct response *pkt; 3348 struct srb *sp = NULL; 3349 uint16_t mailbox[MAILBOX_REGISTER_COUNT]; 3350 uint16_t *wptr; 3351 uint32_t index; 3352 u16 istatus; 3353 3354 ENTER("qla1280_isr"); 3355 3356 istatus = RD_REG_WORD(®->istatus); 3357 if (!(istatus & (RISC_INT | PCI_INT))) 3358 return; 3359 3360 /* Save mailbox register 5 */ 3361 mailbox[5] = RD_REG_WORD(®->mailbox5); 3362 3363 /* Check for mailbox interrupt. */ 3364 3365 mailbox[0] = RD_REG_WORD_dmasync(®->semaphore); 3366 3367 if (mailbox[0] & BIT_0) { 3368 /* Get mailbox data. */ 3369 /* dprintk(1, "qla1280_isr: In Get mailbox data \n"); */ 3370 3371 wptr = &mailbox[0]; 3372 *wptr++ = RD_REG_WORD(®->mailbox0); 3373 *wptr++ = RD_REG_WORD(®->mailbox1); 3374 *wptr = RD_REG_WORD(®->mailbox2); 3375 if (mailbox[0] != MBA_SCSI_COMPLETION) { 3376 wptr++; 3377 *wptr++ = RD_REG_WORD(®->mailbox3); 3378 *wptr++ = RD_REG_WORD(®->mailbox4); 3379 wptr++; 3380 *wptr++ = RD_REG_WORD(®->mailbox6); 3381 *wptr = RD_REG_WORD(®->mailbox7); 3382 } 3383 3384 /* Release mailbox registers. */ 3385 3386 WRT_REG_WORD(®->semaphore, 0); 3387 WRT_REG_WORD(®->host_cmd, HC_CLR_RISC_INT); 3388 3389 dprintk(5, "qla1280_isr: mailbox interrupt mailbox[0] = 0x%x", 3390 mailbox[0]); 3391 3392 /* Handle asynchronous event */ 3393 switch (mailbox[0]) { 3394 case MBA_SCSI_COMPLETION: /* Response completion */ 3395 dprintk(5, "qla1280_isr: mailbox SCSI response " 3396 "completion\n"); 3397 3398 if (ha->flags.online) { 3399 /* Get outstanding command index. */ 3400 index = mailbox[2] << 16 | mailbox[1]; 3401 3402 /* Validate handle. */ 3403 if (index < MAX_OUTSTANDING_COMMANDS) 3404 sp = ha->outstanding_cmds[index]; 3405 else 3406 sp = NULL; 3407 3408 if (sp) { 3409 /* Free outstanding command slot. */ 3410 ha->outstanding_cmds[index] = NULL; 3411 3412 /* Save ISP completion status */ 3413 CMD_RESULT(sp->cmd) = 0; 3414 CMD_HANDLE(sp->cmd) = COMPLETED_HANDLE; 3415 3416 /* Place block on done queue */ 3417 list_add_tail(&sp->list, done_q); 3418 } else { 3419 /* 3420 * If we get here we have a real problem! 3421 */ 3422 printk(KERN_WARNING 3423 "qla1280: ISP invalid handle\n"); 3424 } 3425 } 3426 break; 3427 3428 case MBA_BUS_RESET: /* SCSI Bus Reset */ 3429 ha->flags.reset_marker = 1; 3430 index = mailbox[6] & BIT_0; 3431 ha->bus_settings[index].reset_marker = 1; 3432 3433 printk(KERN_DEBUG "qla1280_isr(): index %i " 3434 "asynchronous BUS_RESET\n", index); 3435 break; 3436 3437 case MBA_SYSTEM_ERR: /* System Error */ 3438 printk(KERN_WARNING 3439 "qla1280: ISP System Error - mbx1=%xh, mbx2=" 3440 "%xh, mbx3=%xh\n", mailbox[1], mailbox[2], 3441 mailbox[3]); 3442 break; 3443 3444 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ 3445 printk(KERN_WARNING 3446 "qla1280: ISP Request Transfer Error\n"); 3447 break; 3448 3449 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ 3450 printk(KERN_WARNING 3451 "qla1280: ISP Response Transfer Error\n"); 3452 break; 3453 3454 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ 3455 dprintk(2, "qla1280_isr: asynchronous WAKEUP_THRES\n"); 3456 break; 3457 3458 case MBA_TIMEOUT_RESET: /* Execution Timeout Reset */ 3459 dprintk(2, 3460 "qla1280_isr: asynchronous TIMEOUT_RESET\n"); 3461 break; 3462 3463 case MBA_DEVICE_RESET: /* Bus Device Reset */ 3464 printk(KERN_INFO "qla1280_isr(): asynchronous " 3465 "BUS_DEVICE_RESET\n"); 3466 3467 ha->flags.reset_marker = 1; 3468 index = mailbox[6] & BIT_0; 3469 ha->bus_settings[index].reset_marker = 1; 3470 break; 3471 3472 case MBA_BUS_MODE_CHANGE: 3473 dprintk(2, 3474 "qla1280_isr: asynchronous BUS_MODE_CHANGE\n"); 3475 break; 3476 3477 default: 3478 /* dprintk(1, "qla1280_isr: default case of switch MB \n"); */ 3479 if (mailbox[0] < MBA_ASYNC_EVENT) { 3480 wptr = &mailbox[0]; 3481 memcpy((uint16_t *) ha->mailbox_out, wptr, 3482 MAILBOX_REGISTER_COUNT * 3483 sizeof(uint16_t)); 3484 3485 if(ha->mailbox_wait != NULL) 3486 complete(ha->mailbox_wait); 3487 } 3488 break; 3489 } 3490 } else { 3491 WRT_REG_WORD(®->host_cmd, HC_CLR_RISC_INT); 3492 } 3493 3494 /* 3495 * We will receive interrupts during mailbox testing prior to 3496 * the card being marked online, hence the double check. 3497 */ 3498 if (!(ha->flags.online && !ha->mailbox_wait)) { 3499 dprintk(2, "qla1280_isr: Response pointer Error\n"); 3500 goto out; 3501 } 3502 3503 if (mailbox[5] >= RESPONSE_ENTRY_CNT) 3504 goto out; 3505 3506 while (ha->rsp_ring_index != mailbox[5]) { 3507 pkt = ha->response_ring_ptr; 3508 3509 dprintk(5, "qla1280_isr: ha->rsp_ring_index = 0x%x, mailbox[5]" 3510 " = 0x%x\n", ha->rsp_ring_index, mailbox[5]); 3511 dprintk(5,"qla1280_isr: response packet data\n"); 3512 qla1280_dump_buffer(5, (char *)pkt, RESPONSE_ENTRY_SIZE); 3513 3514 if (pkt->entry_type == STATUS_TYPE) { 3515 if ((le16_to_cpu(pkt->scsi_status) & 0xff) 3516 || pkt->comp_status || pkt->entry_status) { 3517 dprintk(2, "qla1280_isr: ha->rsp_ring_index = " 3518 "0x%x mailbox[5] = 0x%x, comp_status " 3519 "= 0x%x, scsi_status = 0x%x\n", 3520 ha->rsp_ring_index, mailbox[5], 3521 le16_to_cpu(pkt->comp_status), 3522 le16_to_cpu(pkt->scsi_status)); 3523 } 3524 } else { 3525 dprintk(2, "qla1280_isr: ha->rsp_ring_index = " 3526 "0x%x, mailbox[5] = 0x%x\n", 3527 ha->rsp_ring_index, mailbox[5]); 3528 dprintk(2, "qla1280_isr: response packet data\n"); 3529 qla1280_dump_buffer(2, (char *)pkt, 3530 RESPONSE_ENTRY_SIZE); 3531 } 3532 3533 if (pkt->entry_type == STATUS_TYPE || pkt->entry_status) { 3534 dprintk(2, "status: Cmd %p, handle %i\n", 3535 ha->outstanding_cmds[pkt->handle]->cmd, 3536 pkt->handle); 3537 if (pkt->entry_type == STATUS_TYPE) 3538 qla1280_status_entry(ha, pkt, done_q); 3539 else 3540 qla1280_error_entry(ha, pkt, done_q); 3541 /* Adjust ring index. */ 3542 ha->rsp_ring_index++; 3543 if (ha->rsp_ring_index == RESPONSE_ENTRY_CNT) { 3544 ha->rsp_ring_index = 0; 3545 ha->response_ring_ptr = ha->response_ring; 3546 } else 3547 ha->response_ring_ptr++; 3548 WRT_REG_WORD(®->mailbox5, ha->rsp_ring_index); 3549 } 3550 } 3551 3552 out: 3553 LEAVE("qla1280_isr"); 3554 } 3555 3556 /* 3557 * qla1280_rst_aen 3558 * Processes asynchronous reset. 3559 * 3560 * Input: 3561 * ha = adapter block pointer. 3562 */ 3563 static void 3564 qla1280_rst_aen(struct scsi_qla_host *ha) 3565 { 3566 uint8_t bus; 3567 3568 ENTER("qla1280_rst_aen"); 3569 3570 if (ha->flags.online && !ha->flags.reset_active && 3571 !ha->flags.abort_isp_active) { 3572 ha->flags.reset_active = 1; 3573 while (ha->flags.reset_marker) { 3574 /* Issue marker command. */ 3575 ha->flags.reset_marker = 0; 3576 for (bus = 0; bus < ha->ports && 3577 !ha->flags.reset_marker; bus++) { 3578 if (ha->bus_settings[bus].reset_marker) { 3579 ha->bus_settings[bus].reset_marker = 0; 3580 qla1280_marker(ha, bus, 0, 0, 3581 MK_SYNC_ALL); 3582 } 3583 } 3584 } 3585 } 3586 3587 LEAVE("qla1280_rst_aen"); 3588 } 3589 3590 3591 /* 3592 * qla1280_status_entry 3593 * Processes received ISP status entry. 3594 * 3595 * Input: 3596 * ha = adapter block pointer. 3597 * pkt = entry pointer. 3598 * done_q = done queue. 3599 */ 3600 static void 3601 qla1280_status_entry(struct scsi_qla_host *ha, struct response *pkt, 3602 struct list_head *done_q) 3603 { 3604 int sense_sz; 3605 struct srb *sp; 3606 struct scsi_cmnd *cmd; 3607 uint32_t handle = le32_to_cpu(pkt->handle); 3608 uint16_t scsi_status = le16_to_cpu(pkt->scsi_status); 3609 uint16_t comp_status = le16_to_cpu(pkt->comp_status); 3610 3611 ENTER("qla1280_status_entry"); 3612 3613 /* Validate handle. */ 3614 if (handle < MAX_OUTSTANDING_COMMANDS) 3615 sp = ha->outstanding_cmds[handle]; 3616 else 3617 sp = NULL; 3618 3619 if (!sp) { 3620 printk(KERN_WARNING "qla1280: Status Entry invalid handle\n"); 3621 goto out; 3622 } 3623 3624 /* Free outstanding command slot. */ 3625 ha->outstanding_cmds[handle] = NULL; 3626 3627 cmd = sp->cmd; 3628 3629 if (comp_status || scsi_status) { 3630 dprintk(3, "scsi: comp_status = 0x%x, scsi_status = " 3631 "0x%x, handle = 0x%x\n", comp_status, 3632 scsi_status, handle); 3633 } 3634 3635 /* Target busy or queue full */ 3636 if ((scsi_status & 0xFF) == SAM_STAT_TASK_SET_FULL || 3637 (scsi_status & 0xFF) == SAM_STAT_BUSY) { 3638 CMD_RESULT(cmd) = scsi_status & 0xff; 3639 } else { 3640 3641 /* Save ISP completion status */ 3642 CMD_RESULT(cmd) = qla1280_return_status(pkt, cmd); 3643 3644 if (scsi_status & SAM_STAT_CHECK_CONDITION) { 3645 if (comp_status != CS_ARS_FAILED) { 3646 uint16_t req_sense_length = 3647 le16_to_cpu(pkt->req_sense_length); 3648 if (req_sense_length < CMD_SNSLEN(cmd)) 3649 sense_sz = req_sense_length; 3650 else 3651 /* 3652 * scsi_cmnd->sense_buffer is 3653 * 64 bytes, why only copy 63? 3654 * This looks wrong! /Jes 3655 */ 3656 sense_sz = CMD_SNSLEN(cmd) - 1; 3657 3658 memcpy(cmd->sense_buffer, 3659 &pkt->req_sense_data, sense_sz); 3660 } else 3661 sense_sz = 0; 3662 memset(cmd->sense_buffer + sense_sz, 0, 3663 SCSI_SENSE_BUFFERSIZE - sense_sz); 3664 3665 dprintk(2, "qla1280_status_entry: Check " 3666 "condition Sense data, b %i, t %i, " 3667 "l %i\n", SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), 3668 SCSI_LUN_32(cmd)); 3669 if (sense_sz) 3670 qla1280_dump_buffer(2, 3671 (char *)cmd->sense_buffer, 3672 sense_sz); 3673 } 3674 } 3675 3676 CMD_HANDLE(sp->cmd) = COMPLETED_HANDLE; 3677 3678 /* Place command on done queue. */ 3679 list_add_tail(&sp->list, done_q); 3680 out: 3681 LEAVE("qla1280_status_entry"); 3682 } 3683 3684 /* 3685 * qla1280_error_entry 3686 * Processes error entry. 3687 * 3688 * Input: 3689 * ha = adapter block pointer. 3690 * pkt = entry pointer. 3691 * done_q = done queue. 3692 */ 3693 static void 3694 qla1280_error_entry(struct scsi_qla_host *ha, struct response *pkt, 3695 struct list_head *done_q) 3696 { 3697 struct srb *sp; 3698 uint32_t handle = le32_to_cpu(pkt->handle); 3699 3700 ENTER("qla1280_error_entry"); 3701 3702 if (pkt->entry_status & BIT_3) 3703 dprintk(2, "qla1280_error_entry: BAD PAYLOAD flag error\n"); 3704 else if (pkt->entry_status & BIT_2) 3705 dprintk(2, "qla1280_error_entry: BAD HEADER flag error\n"); 3706 else if (pkt->entry_status & BIT_1) 3707 dprintk(2, "qla1280_error_entry: FULL flag error\n"); 3708 else 3709 dprintk(2, "qla1280_error_entry: UNKNOWN flag error\n"); 3710 3711 /* Validate handle. */ 3712 if (handle < MAX_OUTSTANDING_COMMANDS) 3713 sp = ha->outstanding_cmds[handle]; 3714 else 3715 sp = NULL; 3716 3717 if (sp) { 3718 /* Free outstanding command slot. */ 3719 ha->outstanding_cmds[handle] = NULL; 3720 3721 /* Bad payload or header */ 3722 if (pkt->entry_status & (BIT_3 + BIT_2)) { 3723 /* Bad payload or header, set error status. */ 3724 /* CMD_RESULT(sp->cmd) = CS_BAD_PAYLOAD; */ 3725 CMD_RESULT(sp->cmd) = DID_ERROR << 16; 3726 } else if (pkt->entry_status & BIT_1) { /* FULL flag */ 3727 CMD_RESULT(sp->cmd) = DID_BUS_BUSY << 16; 3728 } else { 3729 /* Set error status. */ 3730 CMD_RESULT(sp->cmd) = DID_ERROR << 16; 3731 } 3732 3733 CMD_HANDLE(sp->cmd) = COMPLETED_HANDLE; 3734 3735 /* Place command on done queue. */ 3736 list_add_tail(&sp->list, done_q); 3737 } 3738 #ifdef QLA_64BIT_PTR 3739 else if (pkt->entry_type == COMMAND_A64_TYPE) { 3740 printk(KERN_WARNING "!qla1280: Error Entry invalid handle"); 3741 } 3742 #endif 3743 3744 LEAVE("qla1280_error_entry"); 3745 } 3746 3747 /* 3748 * qla1280_abort_isp 3749 * Resets ISP and aborts all outstanding commands. 3750 * 3751 * Input: 3752 * ha = adapter block pointer. 3753 * 3754 * Returns: 3755 * 0 = success 3756 */ 3757 static int 3758 qla1280_abort_isp(struct scsi_qla_host *ha) 3759 { 3760 struct device_reg __iomem *reg = ha->iobase; 3761 struct srb *sp; 3762 int status = 0; 3763 int cnt; 3764 int bus; 3765 3766 ENTER("qla1280_abort_isp"); 3767 3768 if (ha->flags.abort_isp_active || !ha->flags.online) 3769 goto out; 3770 3771 ha->flags.abort_isp_active = 1; 3772 3773 /* Disable ISP interrupts. */ 3774 qla1280_disable_intrs(ha); 3775 WRT_REG_WORD(®->host_cmd, HC_PAUSE_RISC); 3776 RD_REG_WORD(®->id_l); 3777 3778 printk(KERN_INFO "scsi(%li): dequeuing outstanding commands\n", 3779 ha->host_no); 3780 /* Dequeue all commands in outstanding command list. */ 3781 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { 3782 struct scsi_cmnd *cmd; 3783 sp = ha->outstanding_cmds[cnt]; 3784 if (sp) { 3785 cmd = sp->cmd; 3786 CMD_RESULT(cmd) = DID_RESET << 16; 3787 CMD_HANDLE(cmd) = COMPLETED_HANDLE; 3788 ha->outstanding_cmds[cnt] = NULL; 3789 list_add_tail(&sp->list, &ha->done_q); 3790 } 3791 } 3792 3793 qla1280_done(ha); 3794 3795 status = qla1280_load_firmware(ha); 3796 if (status) 3797 goto out; 3798 3799 /* Setup adapter based on NVRAM parameters. */ 3800 qla1280_nvram_config (ha); 3801 3802 status = qla1280_init_rings(ha); 3803 if (status) 3804 goto out; 3805 3806 /* Issue SCSI reset. */ 3807 for (bus = 0; bus < ha->ports; bus++) 3808 qla1280_bus_reset(ha, bus); 3809 3810 ha->flags.abort_isp_active = 0; 3811 out: 3812 if (status) { 3813 printk(KERN_WARNING 3814 "qla1280: ISP error recovery failed, board disabled"); 3815 qla1280_reset_adapter(ha); 3816 dprintk(2, "qla1280_abort_isp: **** FAILED ****\n"); 3817 } 3818 3819 LEAVE("qla1280_abort_isp"); 3820 return status; 3821 } 3822 3823 3824 /* 3825 * qla1280_debounce_register 3826 * Debounce register. 3827 * 3828 * Input: 3829 * port = register address. 3830 * 3831 * Returns: 3832 * register value. 3833 */ 3834 static u16 3835 qla1280_debounce_register(volatile u16 __iomem * addr) 3836 { 3837 volatile u16 ret; 3838 volatile u16 ret2; 3839 3840 ret = RD_REG_WORD(addr); 3841 ret2 = RD_REG_WORD(addr); 3842 3843 if (ret == ret2) 3844 return ret; 3845 3846 do { 3847 cpu_relax(); 3848 ret = RD_REG_WORD(addr); 3849 ret2 = RD_REG_WORD(addr); 3850 } while (ret != ret2); 3851 3852 return ret; 3853 } 3854 3855 3856 /************************************************************************ 3857 * qla1280_check_for_dead_scsi_bus * 3858 * * 3859 * This routine checks for a dead SCSI bus * 3860 ************************************************************************/ 3861 #define SET_SXP_BANK 0x0100 3862 #define SCSI_PHASE_INVALID 0x87FF 3863 static int 3864 qla1280_check_for_dead_scsi_bus(struct scsi_qla_host *ha, unsigned int bus) 3865 { 3866 uint16_t config_reg, scsi_control; 3867 struct device_reg __iomem *reg = ha->iobase; 3868 3869 if (ha->bus_settings[bus].scsi_bus_dead) { 3870 WRT_REG_WORD(®->host_cmd, HC_PAUSE_RISC); 3871 config_reg = RD_REG_WORD(®->cfg_1); 3872 WRT_REG_WORD(®->cfg_1, SET_SXP_BANK); 3873 scsi_control = RD_REG_WORD(®->scsiControlPins); 3874 WRT_REG_WORD(®->cfg_1, config_reg); 3875 WRT_REG_WORD(®->host_cmd, HC_RELEASE_RISC); 3876 3877 if (scsi_control == SCSI_PHASE_INVALID) { 3878 ha->bus_settings[bus].scsi_bus_dead = 1; 3879 return 1; /* bus is dead */ 3880 } else { 3881 ha->bus_settings[bus].scsi_bus_dead = 0; 3882 ha->bus_settings[bus].failed_reset_count = 0; 3883 } 3884 } 3885 return 0; /* bus is not dead */ 3886 } 3887 3888 static void 3889 qla1280_get_target_parameters(struct scsi_qla_host *ha, 3890 struct scsi_device *device) 3891 { 3892 uint16_t mb[MAILBOX_REGISTER_COUNT]; 3893 int bus, target, lun; 3894 3895 bus = device->channel; 3896 target = device->id; 3897 lun = device->lun; 3898 3899 3900 mb[0] = MBC_GET_TARGET_PARAMETERS; 3901 mb[1] = (uint16_t) (bus ? target | BIT_7 : target); 3902 mb[1] <<= 8; 3903 qla1280_mailbox_command(ha, BIT_6 | BIT_3 | BIT_2 | BIT_1 | BIT_0, 3904 &mb[0]); 3905 3906 printk(KERN_INFO "scsi(%li:%d:%d:%d):", ha->host_no, bus, target, lun); 3907 3908 if (mb[3] != 0) { 3909 printk(" Sync: period %d, offset %d", 3910 (mb[3] & 0xff), (mb[3] >> 8)); 3911 if (mb[2] & BIT_13) 3912 printk(", Wide"); 3913 if ((mb[2] & BIT_5) && ((mb[6] >> 8) & 0xff) >= 2) 3914 printk(", DT"); 3915 } else 3916 printk(" Async"); 3917 3918 if (device->simple_tags) 3919 printk(", Tagged queuing: depth %d", device->queue_depth); 3920 printk("\n"); 3921 } 3922 3923 3924 #if DEBUG_QLA1280 3925 static void 3926 __qla1280_dump_buffer(char *b, int size) 3927 { 3928 int cnt; 3929 u8 c; 3930 3931 printk(KERN_DEBUG " 0 1 2 3 4 5 6 7 8 9 Ah " 3932 "Bh Ch Dh Eh Fh\n"); 3933 printk(KERN_DEBUG "---------------------------------------------" 3934 "------------------\n"); 3935 3936 for (cnt = 0; cnt < size;) { 3937 c = *b++; 3938 3939 printk("0x%02x", c); 3940 cnt++; 3941 if (!(cnt % 16)) 3942 printk("\n"); 3943 else 3944 printk(" "); 3945 } 3946 if (cnt % 16) 3947 printk("\n"); 3948 } 3949 3950 /************************************************************************** 3951 * ql1280_print_scsi_cmd 3952 * 3953 **************************************************************************/ 3954 static void 3955 __qla1280_print_scsi_cmd(struct scsi_cmnd *cmd) 3956 { 3957 struct scsi_qla_host *ha; 3958 struct Scsi_Host *host = CMD_HOST(cmd); 3959 struct srb *sp; 3960 /* struct scatterlist *sg; */ 3961 3962 int i; 3963 ha = (struct scsi_qla_host *)host->hostdata; 3964 3965 sp = (struct srb *)CMD_SP(cmd); 3966 printk("SCSI Command @= 0x%p, Handle=0x%p\n", cmd, CMD_HANDLE(cmd)); 3967 printk(" chan=%d, target = 0x%02x, lun = 0x%02x, cmd_len = 0x%02x\n", 3968 SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), SCSI_LUN_32(cmd), 3969 CMD_CDBLEN(cmd)); 3970 printk(" CDB = "); 3971 for (i = 0; i < cmd->cmd_len; i++) { 3972 printk("0x%02x ", cmd->cmnd[i]); 3973 } 3974 printk(" seg_cnt =%d\n", scsi_sg_count(cmd)); 3975 printk(" request buffer=0x%p, request buffer len=0x%x\n", 3976 scsi_sglist(cmd), scsi_bufflen(cmd)); 3977 /* if (cmd->use_sg) 3978 { 3979 sg = (struct scatterlist *) cmd->request_buffer; 3980 printk(" SG buffer: \n"); 3981 qla1280_dump_buffer(1, (char *)sg, (cmd->use_sg*sizeof(struct scatterlist))); 3982 } */ 3983 printk(" tag=%d, transfersize=0x%x \n", 3984 cmd->tag, cmd->transfersize); 3985 printk(" SP=0x%p\n", CMD_SP(cmd)); 3986 printk(" underflow size = 0x%x, direction=0x%x\n", 3987 cmd->underflow, cmd->sc_data_direction); 3988 } 3989 3990 /************************************************************************** 3991 * ql1280_dump_device 3992 * 3993 **************************************************************************/ 3994 static void 3995 ql1280_dump_device(struct scsi_qla_host *ha) 3996 { 3997 3998 struct scsi_cmnd *cp; 3999 struct srb *sp; 4000 int i; 4001 4002 printk(KERN_DEBUG "Outstanding Commands on controller:\n"); 4003 4004 for (i = 0; i < MAX_OUTSTANDING_COMMANDS; i++) { 4005 if ((sp = ha->outstanding_cmds[i]) == NULL) 4006 continue; 4007 if ((cp = sp->cmd) == NULL) 4008 continue; 4009 qla1280_print_scsi_cmd(1, cp); 4010 } 4011 } 4012 #endif 4013 4014 4015 enum tokens { 4016 TOKEN_NVRAM, 4017 TOKEN_SYNC, 4018 TOKEN_WIDE, 4019 TOKEN_PPR, 4020 TOKEN_VERBOSE, 4021 TOKEN_DEBUG, 4022 }; 4023 4024 struct setup_tokens { 4025 char *token; 4026 int val; 4027 }; 4028 4029 static struct setup_tokens setup_token[] __initdata = 4030 { 4031 { "nvram", TOKEN_NVRAM }, 4032 { "sync", TOKEN_SYNC }, 4033 { "wide", TOKEN_WIDE }, 4034 { "ppr", TOKEN_PPR }, 4035 { "verbose", TOKEN_VERBOSE }, 4036 { "debug", TOKEN_DEBUG }, 4037 }; 4038 4039 4040 /************************************************************************** 4041 * qla1280_setup 4042 * 4043 * Handle boot parameters. This really needs to be changed so one 4044 * can specify per adapter parameters. 4045 **************************************************************************/ 4046 static int __init 4047 qla1280_setup(char *s) 4048 { 4049 char *cp, *ptr; 4050 unsigned long val; 4051 int toke; 4052 4053 cp = s; 4054 4055 while (cp && (ptr = strchr(cp, ':'))) { 4056 ptr++; 4057 if (!strcmp(ptr, "yes")) { 4058 val = 0x10000; 4059 ptr += 3; 4060 } else if (!strcmp(ptr, "no")) { 4061 val = 0; 4062 ptr += 2; 4063 } else 4064 val = simple_strtoul(ptr, &ptr, 0); 4065 4066 switch ((toke = qla1280_get_token(cp))) { 4067 case TOKEN_NVRAM: 4068 if (!val) 4069 driver_setup.no_nvram = 1; 4070 break; 4071 case TOKEN_SYNC: 4072 if (!val) 4073 driver_setup.no_sync = 1; 4074 else if (val != 0x10000) 4075 driver_setup.sync_mask = val; 4076 break; 4077 case TOKEN_WIDE: 4078 if (!val) 4079 driver_setup.no_wide = 1; 4080 else if (val != 0x10000) 4081 driver_setup.wide_mask = val; 4082 break; 4083 case TOKEN_PPR: 4084 if (!val) 4085 driver_setup.no_ppr = 1; 4086 else if (val != 0x10000) 4087 driver_setup.ppr_mask = val; 4088 break; 4089 case TOKEN_VERBOSE: 4090 qla1280_verbose = val; 4091 break; 4092 default: 4093 printk(KERN_INFO "qla1280: unknown boot option %s\n", 4094 cp); 4095 } 4096 4097 cp = strchr(ptr, ';'); 4098 if (cp) 4099 cp++; 4100 else { 4101 break; 4102 } 4103 } 4104 return 1; 4105 } 4106 4107 4108 static int __init 4109 qla1280_get_token(char *str) 4110 { 4111 char *sep; 4112 long ret = -1; 4113 int i; 4114 4115 sep = strchr(str, ':'); 4116 4117 if (sep) { 4118 for (i = 0; i < ARRAY_SIZE(setup_token); i++) { 4119 if (!strncmp(setup_token[i].token, str, (sep - str))) { 4120 ret = setup_token[i].val; 4121 break; 4122 } 4123 } 4124 } 4125 4126 return ret; 4127 } 4128 4129 4130 static struct scsi_host_template qla1280_driver_template = { 4131 .module = THIS_MODULE, 4132 .proc_name = "qla1280", 4133 .name = "Qlogic ISP 1280/12160", 4134 .info = qla1280_info, 4135 .slave_configure = qla1280_slave_configure, 4136 .queuecommand = qla1280_queuecommand, 4137 .eh_abort_handler = qla1280_eh_abort, 4138 .eh_device_reset_handler= qla1280_eh_device_reset, 4139 .eh_bus_reset_handler = qla1280_eh_bus_reset, 4140 .eh_host_reset_handler = qla1280_eh_adapter_reset, 4141 .bios_param = qla1280_biosparam, 4142 .can_queue = MAX_OUTSTANDING_COMMANDS, 4143 .this_id = -1, 4144 .sg_tablesize = SG_ALL, 4145 }; 4146 4147 4148 static int 4149 qla1280_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) 4150 { 4151 int devnum = id->driver_data; 4152 struct qla_boards *bdp = &ql1280_board_tbl[devnum]; 4153 struct Scsi_Host *host; 4154 struct scsi_qla_host *ha; 4155 int error = -ENODEV; 4156 4157 /* Bypass all AMI SUBSYS VENDOR IDs */ 4158 if (pdev->subsystem_vendor == PCI_VENDOR_ID_AMI) { 4159 printk(KERN_INFO 4160 "qla1280: Skipping AMI SubSys Vendor ID Chip\n"); 4161 goto error; 4162 } 4163 4164 printk(KERN_INFO "qla1280: %s found on PCI bus %i, dev %i\n", 4165 bdp->name, pdev->bus->number, PCI_SLOT(pdev->devfn)); 4166 4167 if (pci_enable_device(pdev)) { 4168 printk(KERN_WARNING 4169 "qla1280: Failed to enabled pci device, aborting.\n"); 4170 goto error; 4171 } 4172 4173 pci_set_master(pdev); 4174 4175 error = -ENOMEM; 4176 host = scsi_host_alloc(&qla1280_driver_template, sizeof(*ha)); 4177 if (!host) { 4178 printk(KERN_WARNING 4179 "qla1280: Failed to register host, aborting.\n"); 4180 goto error_disable_device; 4181 } 4182 4183 ha = (struct scsi_qla_host *)host->hostdata; 4184 memset(ha, 0, sizeof(struct scsi_qla_host)); 4185 4186 ha->pdev = pdev; 4187 ha->devnum = devnum; /* specifies microcode load address */ 4188 4189 #ifdef QLA_64BIT_PTR 4190 if (dma_set_mask_and_coherent(&ha->pdev->dev, DMA_BIT_MASK(64))) { 4191 if (dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32))) { 4192 printk(KERN_WARNING "scsi(%li): Unable to set a " 4193 "suitable DMA mask - aborting\n", ha->host_no); 4194 error = -ENODEV; 4195 goto error_put_host; 4196 } 4197 } else 4198 dprintk(2, "scsi(%li): 64 Bit PCI Addressing Enabled\n", 4199 ha->host_no); 4200 #else 4201 if (dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32))) { 4202 printk(KERN_WARNING "scsi(%li): Unable to set a " 4203 "suitable DMA mask - aborting\n", ha->host_no); 4204 error = -ENODEV; 4205 goto error_put_host; 4206 } 4207 #endif 4208 4209 ha->request_ring = dma_alloc_coherent(&ha->pdev->dev, 4210 ((REQUEST_ENTRY_CNT + 1) * sizeof(request_t)), 4211 &ha->request_dma, GFP_KERNEL); 4212 if (!ha->request_ring) { 4213 printk(KERN_INFO "qla1280: Failed to get request memory\n"); 4214 goto error_put_host; 4215 } 4216 4217 ha->response_ring = dma_alloc_coherent(&ha->pdev->dev, 4218 ((RESPONSE_ENTRY_CNT + 1) * sizeof(struct response)), 4219 &ha->response_dma, GFP_KERNEL); 4220 if (!ha->response_ring) { 4221 printk(KERN_INFO "qla1280: Failed to get response memory\n"); 4222 goto error_free_request_ring; 4223 } 4224 4225 ha->ports = bdp->numPorts; 4226 4227 ha->host = host; 4228 ha->host_no = host->host_no; 4229 4230 host->irq = pdev->irq; 4231 host->max_channel = bdp->numPorts - 1; 4232 host->max_lun = MAX_LUNS - 1; 4233 host->max_id = MAX_TARGETS; 4234 host->max_sectors = 1024; 4235 host->unique_id = host->host_no; 4236 4237 error = -ENODEV; 4238 4239 #if MEMORY_MAPPED_IO 4240 ha->mmpbase = pci_ioremap_bar(ha->pdev, 1); 4241 if (!ha->mmpbase) { 4242 printk(KERN_INFO "qla1280: Unable to map I/O memory\n"); 4243 goto error_free_response_ring; 4244 } 4245 4246 host->base = (unsigned long)ha->mmpbase; 4247 ha->iobase = (struct device_reg __iomem *)ha->mmpbase; 4248 #else 4249 host->io_port = pci_resource_start(ha->pdev, 0); 4250 if (!request_region(host->io_port, 0xff, "qla1280")) { 4251 printk(KERN_INFO "qla1280: Failed to reserve i/o region " 4252 "0x%04lx-0x%04lx - already in use\n", 4253 host->io_port, host->io_port + 0xff); 4254 goto error_free_response_ring; 4255 } 4256 4257 ha->iobase = (struct device_reg *)host->io_port; 4258 #endif 4259 4260 INIT_LIST_HEAD(&ha->done_q); 4261 4262 /* Disable ISP interrupts. */ 4263 qla1280_disable_intrs(ha); 4264 4265 if (request_irq(pdev->irq, qla1280_intr_handler, IRQF_SHARED, 4266 "qla1280", ha)) { 4267 printk("qla1280 : Failed to reserve interrupt %d already " 4268 "in use\n", pdev->irq); 4269 goto error_release_region; 4270 } 4271 4272 /* load the F/W, read paramaters, and init the H/W */ 4273 if (qla1280_initialize_adapter(ha)) { 4274 printk(KERN_INFO "qla1x160: Failed to initialize adapter\n"); 4275 goto error_free_irq; 4276 } 4277 4278 /* set our host ID (need to do something about our two IDs) */ 4279 host->this_id = ha->bus_settings[0].id; 4280 4281 pci_set_drvdata(pdev, host); 4282 4283 error = scsi_add_host(host, &pdev->dev); 4284 if (error) 4285 goto error_disable_adapter; 4286 scsi_scan_host(host); 4287 4288 return 0; 4289 4290 error_disable_adapter: 4291 qla1280_disable_intrs(ha); 4292 error_free_irq: 4293 free_irq(pdev->irq, ha); 4294 error_release_region: 4295 #if MEMORY_MAPPED_IO 4296 iounmap(ha->mmpbase); 4297 #else 4298 release_region(host->io_port, 0xff); 4299 #endif 4300 error_free_response_ring: 4301 dma_free_coherent(&ha->pdev->dev, 4302 ((RESPONSE_ENTRY_CNT + 1) * sizeof(struct response)), 4303 ha->response_ring, ha->response_dma); 4304 error_free_request_ring: 4305 dma_free_coherent(&ha->pdev->dev, 4306 ((REQUEST_ENTRY_CNT + 1) * sizeof(request_t)), 4307 ha->request_ring, ha->request_dma); 4308 error_put_host: 4309 scsi_host_put(host); 4310 error_disable_device: 4311 pci_disable_device(pdev); 4312 error: 4313 return error; 4314 } 4315 4316 4317 static void 4318 qla1280_remove_one(struct pci_dev *pdev) 4319 { 4320 struct Scsi_Host *host = pci_get_drvdata(pdev); 4321 struct scsi_qla_host *ha = (struct scsi_qla_host *)host->hostdata; 4322 4323 scsi_remove_host(host); 4324 4325 qla1280_disable_intrs(ha); 4326 4327 free_irq(pdev->irq, ha); 4328 4329 #if MEMORY_MAPPED_IO 4330 iounmap(ha->mmpbase); 4331 #else 4332 release_region(host->io_port, 0xff); 4333 #endif 4334 4335 dma_free_coherent(&ha->pdev->dev, 4336 ((REQUEST_ENTRY_CNT + 1) * (sizeof(request_t))), 4337 ha->request_ring, ha->request_dma); 4338 dma_free_coherent(&ha->pdev->dev, 4339 ((RESPONSE_ENTRY_CNT + 1) * (sizeof(struct response))), 4340 ha->response_ring, ha->response_dma); 4341 4342 pci_disable_device(pdev); 4343 4344 scsi_host_put(host); 4345 } 4346 4347 static struct pci_driver qla1280_pci_driver = { 4348 .name = "qla1280", 4349 .id_table = qla1280_pci_tbl, 4350 .probe = qla1280_probe_one, 4351 .remove = qla1280_remove_one, 4352 }; 4353 4354 static int __init 4355 qla1280_init(void) 4356 { 4357 if (sizeof(struct srb) > sizeof(struct scsi_pointer)) { 4358 printk(KERN_WARNING 4359 "qla1280: struct srb too big, aborting\n"); 4360 return -EINVAL; 4361 } 4362 4363 #ifdef MODULE 4364 /* 4365 * If we are called as a module, the qla1280 pointer may not be null 4366 * and it would point to our bootup string, just like on the lilo 4367 * command line. IF not NULL, then process this config string with 4368 * qla1280_setup 4369 * 4370 * Boot time Options 4371 * To add options at boot time add a line to your lilo.conf file like: 4372 * append="qla1280=verbose,max_tags:{{255,255,255,255},{255,255,255,255}}" 4373 * which will result in the first four devices on the first two 4374 * controllers being set to a tagged queue depth of 32. 4375 */ 4376 if (qla1280) 4377 qla1280_setup(qla1280); 4378 #endif 4379 4380 return pci_register_driver(&qla1280_pci_driver); 4381 } 4382 4383 static void __exit 4384 qla1280_exit(void) 4385 { 4386 int i; 4387 4388 pci_unregister_driver(&qla1280_pci_driver); 4389 /* release any allocated firmware images */ 4390 for (i = 0; i < QL_NUM_FW_IMAGES; i++) { 4391 release_firmware(qla1280_fw_tbl[i].fw); 4392 qla1280_fw_tbl[i].fw = NULL; 4393 } 4394 } 4395 4396 module_init(qla1280_init); 4397 module_exit(qla1280_exit); 4398 4399 MODULE_AUTHOR("Qlogic & Jes Sorensen"); 4400 MODULE_DESCRIPTION("Qlogic ISP SCSI (qla1x80/qla1x160) driver"); 4401 MODULE_LICENSE("GPL"); 4402 MODULE_FIRMWARE("qlogic/1040.bin"); 4403 MODULE_FIRMWARE("qlogic/1280.bin"); 4404 MODULE_FIRMWARE("qlogic/12160.bin"); 4405 MODULE_VERSION(QLA1280_VERSION); 4406 4407 /* 4408 * Overrides for Emacs so that we almost follow Linus's tabbing style. 4409 * Emacs will notice this stuff at the end of the file and automatically 4410 * adjust the settings for this buffer only. This must remain at the end 4411 * of the file. 4412 * --------------------------------------------------------------------------- 4413 * Local variables: 4414 * c-basic-offset: 8 4415 * tab-width: 8 4416 * End: 4417 */ 4418