1 /*****************************************************************************/ 2 /* ips.c -- driver for the Adaptec / IBM ServeRAID controller */ 3 /* */ 4 /* Written By: Keith Mitchell, IBM Corporation */ 5 /* Jack Hammer, Adaptec, Inc. */ 6 /* David Jeffery, Adaptec, Inc. */ 7 /* */ 8 /* Copyright (C) 2000 IBM Corporation */ 9 /* Copyright (C) 2002,2003 Adaptec, Inc. */ 10 /* */ 11 /* This program is free software; you can redistribute it and/or modify */ 12 /* it under the terms of the GNU General Public License as published by */ 13 /* the Free Software Foundation; either version 2 of the License, or */ 14 /* (at your option) any later version. */ 15 /* */ 16 /* This program is distributed in the hope that it will be useful, */ 17 /* but WITHOUT ANY WARRANTY; without even the implied warranty of */ 18 /* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ 19 /* GNU General Public License for more details. */ 20 /* */ 21 /* NO WARRANTY */ 22 /* THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR */ 23 /* CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT */ 24 /* LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, */ 25 /* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is */ 26 /* solely responsible for determining the appropriateness of using and */ 27 /* distributing the Program and assumes all risks associated with its */ 28 /* exercise of rights under this Agreement, including but not limited to */ 29 /* the risks and costs of program errors, damage to or loss of data, */ 30 /* programs or equipment, and unavailability or interruption of operations. */ 31 /* */ 32 /* DISCLAIMER OF LIABILITY */ 33 /* NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY */ 34 /* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL */ 35 /* DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND */ 36 /* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR */ 37 /* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE */ 38 /* USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED */ 39 /* HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES */ 40 /* */ 41 /* You should have received a copy of the GNU General Public License */ 42 /* along with this program; if not, write to the Free Software */ 43 /* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ 44 /* */ 45 /* Bugs/Comments/Suggestions about this driver should be mailed to: */ 46 /* ipslinux@adaptec.com */ 47 /* */ 48 /* For system support issues, contact your local IBM Customer support. */ 49 /* Directions to find IBM Customer Support for each country can be found at: */ 50 /* http://www.ibm.com/planetwide/ */ 51 /* */ 52 /*****************************************************************************/ 53 54 /*****************************************************************************/ 55 /* Change Log */ 56 /* */ 57 /* 0.99.02 - Breakup commands that are bigger than 8 * the stripe size */ 58 /* 0.99.03 - Make interrupt routine handle all completed request on the */ 59 /* adapter not just the first one */ 60 /* - Make sure passthru commands get woken up if we run out of */ 61 /* SCBs */ 62 /* - Send all of the commands on the queue at once rather than */ 63 /* one at a time since the card will support it. */ 64 /* 0.99.04 - Fix race condition in the passthru mechanism -- this required */ 65 /* the interface to the utilities to change */ 66 /* - Fix error recovery code */ 67 /* 0.99.05 - Fix an oops when we get certain passthru commands */ 68 /* 1.00.00 - Initial Public Release */ 69 /* Functionally equivalent to 0.99.05 */ 70 /* 3.60.00 - Bump max commands to 128 for use with firmware 3.60 */ 71 /* - Change version to 3.60 to coincide with release numbering. */ 72 /* 3.60.01 - Remove bogus error check in passthru routine */ 73 /* 3.60.02 - Make DCDB direction based on lookup table */ 74 /* - Only allow one DCDB command to a SCSI ID at a time */ 75 /* 4.00.00 - Add support for ServeRAID 4 */ 76 /* 4.00.01 - Add support for First Failure Data Capture */ 77 /* 4.00.02 - Fix problem with PT DCDB with no buffer */ 78 /* 4.00.03 - Add alternative passthru interface */ 79 /* - Add ability to flash BIOS */ 80 /* 4.00.04 - Rename structures/constants to be prefixed with IPS_ */ 81 /* 4.00.05 - Remove wish_block from init routine */ 82 /* - Use linux/spinlock.h instead of asm/spinlock.h for kernels */ 83 /* 2.3.18 and later */ 84 /* - Sync with other changes from the 2.3 kernels */ 85 /* 4.00.06 - Fix timeout with initial FFDC command */ 86 /* 4.00.06a - Port to 2.4 (trivial) -- Christoph Hellwig <hch@infradead.org> */ 87 /* 4.10.00 - Add support for ServeRAID 4M/4L */ 88 /* 4.10.13 - Fix for dynamic unload and proc file system */ 89 /* 4.20.03 - Rename version to coincide with new release schedules */ 90 /* Performance fixes */ 91 /* Fix truncation of /proc files with cat */ 92 /* Merge in changes through kernel 2.4.0test1ac21 */ 93 /* 4.20.13 - Fix some failure cases / reset code */ 94 /* - Hook into the reboot_notifier to flush the controller cache */ 95 /* 4.50.01 - Fix problem when there is a hole in logical drive numbering */ 96 /* 4.70.09 - Use a Common ( Large Buffer ) for Flashing from the JCRM CD */ 97 /* - Add IPSSEND Flash Support */ 98 /* - Set Sense Data for Unknown SCSI Command */ 99 /* - Use Slot Number from NVRAM Page 5 */ 100 /* - Restore caller's DCDB Structure */ 101 /* 4.70.12 - Corrective actions for bad controller ( during initialization )*/ 102 /* 4.70.13 - Don't Send CDB's if we already know the device is not present */ 103 /* - Don't release HA Lock in ips_next() until SC taken off queue */ 104 /* - Unregister SCSI device in ips_release() */ 105 /* 4.70.15 - Fix Breakup for very large ( non-SG ) requests in ips_done() */ 106 /* 4.71.00 - Change all memory allocations to not use GFP_DMA flag */ 107 /* Code Clean-Up for 2.4.x kernel */ 108 /* 4.72.00 - Allow for a Scatter-Gather Element to exceed MAX_XFER Size */ 109 /* 4.72.01 - I/O Mapped Memory release ( so "insmod ips" does not Fail ) */ 110 /* - Don't Issue Internal FFDC Command if there are Active Commands */ 111 /* - Close Window for getting too many IOCTL's active */ 112 /* 4.80.00 - Make ia64 Safe */ 113 /* 4.80.04 - Eliminate calls to strtok() if 2.4.x or greater */ 114 /* - Adjustments to Device Queue Depth */ 115 /* 4.80.14 - Take all semaphores off stack */ 116 /* - Clean Up New_IOCTL path */ 117 /* 4.80.20 - Set max_sectors in Scsi_Host structure ( if >= 2.4.7 kernel ) */ 118 /* - 5 second delay needed after resetting an i960 adapter */ 119 /* 4.80.26 - Clean up potential code problems ( Arjan's recommendations ) */ 120 /* 4.90.01 - Version Matching for FirmWare, BIOS, and Driver */ 121 /* 4.90.05 - Use New PCI Architecture to facilitate Hot Plug Development */ 122 /* 4.90.08 - Increase Delays in Flashing ( Trombone Only - 4H ) */ 123 /* 4.90.08 - Data Corruption if First Scatter Gather Element is > 64K */ 124 /* 4.90.11 - Don't actually RESET unless it's physically required */ 125 /* - Remove unused compile options */ 126 /* 5.00.01 - Sarasota ( 5i ) adapters must always be scanned first */ 127 /* - Get rid on IOCTL_NEW_COMMAND code */ 128 /* - Add Extended DCDB Commands for Tape Support in 5I */ 129 /* 5.10.12 - use pci_dma interfaces, update for 2.5 kernel changes */ 130 /* 5.10.15 - remove unused code (sem, macros, etc.) */ 131 /* 5.30.00 - use __devexit_p() */ 132 /* 6.00.00 - Add 6x Adapters and Battery Flash */ 133 /* 6.10.00 - Remove 1G Addressing Limitations */ 134 /* 6.11.xx - Get VersionInfo buffer off the stack ! DDTS 60401 */ 135 /* 6.11.xx - Make Logical Drive Info structure safe for DMA DDTS 60639 */ 136 /* 7.10.18 - Add highmem_io flag in SCSI Templete for 2.4 kernels */ 137 /* - Fix path/name for scsi_hosts.h include for 2.6 kernels */ 138 /* - Fix sort order of 7k */ 139 /* - Remove 3 unused "inline" functions */ 140 /* 7.12.xx - Use STATIC functions wherever possible */ 141 /* - Clean up deprecated MODULE_PARM calls */ 142 /* 7.12.05 - Remove Version Matching per IBM request */ 143 /*****************************************************************************/ 144 145 /* 146 * Conditional Compilation directives for this driver: 147 * 148 * IPS_DEBUG - Turn on debugging info 149 * 150 * Parameters: 151 * 152 * debug:<number> - Set debug level to <number> 153 * NOTE: only works when IPS_DEBUG compile directive is used. 154 * 1 - Normal debug messages 155 * 2 - Verbose debug messages 156 * 11 - Method trace (non interrupt) 157 * 12 - Method trace (includes interrupt) 158 * 159 * noi2o - Don't use I2O Queues (ServeRAID 4 only) 160 * nommap - Don't use memory mapped I/O 161 * ioctlsize - Initial size of the IOCTL buffer 162 */ 163 164 #include <asm/io.h> 165 #include <asm/byteorder.h> 166 #include <asm/page.h> 167 #include <linux/stddef.h> 168 #include <linux/string.h> 169 #include <linux/errno.h> 170 #include <linux/kernel.h> 171 #include <linux/ioport.h> 172 #include <linux/slab.h> 173 #include <linux/delay.h> 174 #include <linux/pci.h> 175 #include <linux/proc_fs.h> 176 #include <linux/reboot.h> 177 #include <linux/interrupt.h> 178 179 #include <linux/blkdev.h> 180 #include <linux/types.h> 181 #include <linux/dma-mapping.h> 182 183 #include <scsi/sg.h> 184 #include "scsi.h" 185 #include <scsi/scsi_host.h> 186 187 #include "ips.h" 188 189 #include <linux/module.h> 190 191 #include <linux/stat.h> 192 193 #include <linux/spinlock.h> 194 #include <linux/init.h> 195 196 #include <linux/smp.h> 197 198 #ifdef MODULE 199 static char *ips = NULL; 200 module_param(ips, charp, 0); 201 #endif 202 203 /* 204 * DRIVER_VER 205 */ 206 #define IPS_VERSION_HIGH IPS_VER_MAJOR_STRING "." IPS_VER_MINOR_STRING 207 #define IPS_VERSION_LOW "." IPS_VER_BUILD_STRING " " 208 209 #define IPS_DMA_DIR(scb) ((!scb->scsi_cmd || ips_is_passthru(scb->scsi_cmd) || \ 210 DMA_NONE == scb->scsi_cmd->sc_data_direction) ? \ 211 DMA_BIDIRECTIONAL : \ 212 scb->scsi_cmd->sc_data_direction) 213 214 #ifdef IPS_DEBUG 215 #define METHOD_TRACE(s, i) if (ips_debug >= (i+10)) printk(KERN_NOTICE s "\n"); 216 #define DEBUG(i, s) if (ips_debug >= i) printk(KERN_NOTICE s "\n"); 217 #define DEBUG_VAR(i, s, v...) if (ips_debug >= i) printk(KERN_NOTICE s "\n", v); 218 #else 219 #define METHOD_TRACE(s, i) 220 #define DEBUG(i, s) 221 #define DEBUG_VAR(i, s, v...) 222 #endif 223 224 /* 225 * Function prototypes 226 */ 227 static int ips_eh_abort(struct scsi_cmnd *); 228 static int ips_eh_reset(struct scsi_cmnd *); 229 static int ips_queue(struct Scsi_Host *, struct scsi_cmnd *); 230 static const char *ips_info(struct Scsi_Host *); 231 static irqreturn_t do_ipsintr(int, void *); 232 static int ips_hainit(ips_ha_t *); 233 static int ips_map_status(ips_ha_t *, ips_scb_t *, ips_stat_t *); 234 static int ips_send_wait(ips_ha_t *, ips_scb_t *, int, int); 235 static int ips_send_cmd(ips_ha_t *, ips_scb_t *); 236 static int ips_online(ips_ha_t *, ips_scb_t *); 237 static int ips_inquiry(ips_ha_t *, ips_scb_t *); 238 static int ips_rdcap(ips_ha_t *, ips_scb_t *); 239 static int ips_msense(ips_ha_t *, ips_scb_t *); 240 static int ips_reqsen(ips_ha_t *, ips_scb_t *); 241 static int ips_deallocatescbs(ips_ha_t *, int); 242 static int ips_allocatescbs(ips_ha_t *); 243 static int ips_reset_copperhead(ips_ha_t *); 244 static int ips_reset_copperhead_memio(ips_ha_t *); 245 static int ips_reset_morpheus(ips_ha_t *); 246 static int ips_issue_copperhead(ips_ha_t *, ips_scb_t *); 247 static int ips_issue_copperhead_memio(ips_ha_t *, ips_scb_t *); 248 static int ips_issue_i2o(ips_ha_t *, ips_scb_t *); 249 static int ips_issue_i2o_memio(ips_ha_t *, ips_scb_t *); 250 static int ips_isintr_copperhead(ips_ha_t *); 251 static int ips_isintr_copperhead_memio(ips_ha_t *); 252 static int ips_isintr_morpheus(ips_ha_t *); 253 static int ips_wait(ips_ha_t *, int, int); 254 static int ips_write_driver_status(ips_ha_t *, int); 255 static int ips_read_adapter_status(ips_ha_t *, int); 256 static int ips_read_subsystem_parameters(ips_ha_t *, int); 257 static int ips_read_config(ips_ha_t *, int); 258 static int ips_clear_adapter(ips_ha_t *, int); 259 static int ips_readwrite_page5(ips_ha_t *, int, int); 260 static int ips_init_copperhead(ips_ha_t *); 261 static int ips_init_copperhead_memio(ips_ha_t *); 262 static int ips_init_morpheus(ips_ha_t *); 263 static int ips_isinit_copperhead(ips_ha_t *); 264 static int ips_isinit_copperhead_memio(ips_ha_t *); 265 static int ips_isinit_morpheus(ips_ha_t *); 266 static int ips_erase_bios(ips_ha_t *); 267 static int ips_program_bios(ips_ha_t *, char *, uint32_t, uint32_t); 268 static int ips_verify_bios(ips_ha_t *, char *, uint32_t, uint32_t); 269 static int ips_erase_bios_memio(ips_ha_t *); 270 static int ips_program_bios_memio(ips_ha_t *, char *, uint32_t, uint32_t); 271 static int ips_verify_bios_memio(ips_ha_t *, char *, uint32_t, uint32_t); 272 static int ips_flash_copperhead(ips_ha_t *, ips_passthru_t *, ips_scb_t *); 273 static int ips_flash_bios(ips_ha_t *, ips_passthru_t *, ips_scb_t *); 274 static int ips_flash_firmware(ips_ha_t *, ips_passthru_t *, ips_scb_t *); 275 static void ips_free_flash_copperhead(ips_ha_t * ha); 276 static void ips_get_bios_version(ips_ha_t *, int); 277 static void ips_identify_controller(ips_ha_t *); 278 static void ips_chkstatus(ips_ha_t *, IPS_STATUS *); 279 static void ips_enable_int_copperhead(ips_ha_t *); 280 static void ips_enable_int_copperhead_memio(ips_ha_t *); 281 static void ips_enable_int_morpheus(ips_ha_t *); 282 static int ips_intr_copperhead(ips_ha_t *); 283 static int ips_intr_morpheus(ips_ha_t *); 284 static void ips_next(ips_ha_t *, int); 285 static void ipsintr_blocking(ips_ha_t *, struct ips_scb *); 286 static void ipsintr_done(ips_ha_t *, struct ips_scb *); 287 static void ips_done(ips_ha_t *, ips_scb_t *); 288 static void ips_free(ips_ha_t *); 289 static void ips_init_scb(ips_ha_t *, ips_scb_t *); 290 static void ips_freescb(ips_ha_t *, ips_scb_t *); 291 static void ips_setup_funclist(ips_ha_t *); 292 static void ips_statinit(ips_ha_t *); 293 static void ips_statinit_memio(ips_ha_t *); 294 static void ips_fix_ffdc_time(ips_ha_t *, ips_scb_t *, time64_t); 295 static void ips_ffdc_reset(ips_ha_t *, int); 296 static void ips_ffdc_time(ips_ha_t *); 297 static uint32_t ips_statupd_copperhead(ips_ha_t *); 298 static uint32_t ips_statupd_copperhead_memio(ips_ha_t *); 299 static uint32_t ips_statupd_morpheus(ips_ha_t *); 300 static ips_scb_t *ips_getscb(ips_ha_t *); 301 static void ips_putq_scb_head(ips_scb_queue_t *, ips_scb_t *); 302 static void ips_putq_wait_tail(ips_wait_queue_entry_t *, struct scsi_cmnd *); 303 static void ips_putq_copp_tail(ips_copp_queue_t *, 304 ips_copp_wait_item_t *); 305 static ips_scb_t *ips_removeq_scb_head(ips_scb_queue_t *); 306 static ips_scb_t *ips_removeq_scb(ips_scb_queue_t *, ips_scb_t *); 307 static struct scsi_cmnd *ips_removeq_wait_head(ips_wait_queue_entry_t *); 308 static struct scsi_cmnd *ips_removeq_wait(ips_wait_queue_entry_t *, 309 struct scsi_cmnd *); 310 static ips_copp_wait_item_t *ips_removeq_copp(ips_copp_queue_t *, 311 ips_copp_wait_item_t *); 312 static ips_copp_wait_item_t *ips_removeq_copp_head(ips_copp_queue_t *); 313 314 static int ips_is_passthru(struct scsi_cmnd *); 315 static int ips_make_passthru(ips_ha_t *, struct scsi_cmnd *, ips_scb_t *, int); 316 static int ips_usrcmd(ips_ha_t *, ips_passthru_t *, ips_scb_t *); 317 static void ips_cleanup_passthru(ips_ha_t *, ips_scb_t *); 318 static void ips_scmd_buf_write(struct scsi_cmnd * scmd, void *data, 319 unsigned int count); 320 static void ips_scmd_buf_read(struct scsi_cmnd * scmd, void *data, 321 unsigned int count); 322 323 static int ips_write_info(struct Scsi_Host *, char *, int); 324 static int ips_show_info(struct seq_file *, struct Scsi_Host *); 325 static int ips_host_info(ips_ha_t *, struct seq_file *); 326 static int ips_abort_init(ips_ha_t * ha, int index); 327 static int ips_init_phase2(int index); 328 329 static int ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr); 330 static int ips_register_scsi(int index); 331 332 static int ips_poll_for_flush_complete(ips_ha_t * ha); 333 static void ips_flush_and_reset(ips_ha_t *ha); 334 335 /* 336 * global variables 337 */ 338 static const char ips_name[] = "ips"; 339 static struct Scsi_Host *ips_sh[IPS_MAX_ADAPTERS]; /* Array of host controller structures */ 340 static ips_ha_t *ips_ha[IPS_MAX_ADAPTERS]; /* Array of HA structures */ 341 static unsigned int ips_next_controller; 342 static unsigned int ips_num_controllers; 343 static unsigned int ips_released_controllers; 344 static int ips_hotplug; 345 static int ips_cmd_timeout = 60; 346 static int ips_reset_timeout = 60 * 5; 347 static int ips_force_memio = 1; /* Always use Memory Mapped I/O */ 348 static int ips_force_i2o = 1; /* Always use I2O command delivery */ 349 static int ips_ioctlsize = IPS_IOCTL_SIZE; /* Size of the ioctl buffer */ 350 static int ips_cd_boot; /* Booting from Manager CD */ 351 static char *ips_FlashData = NULL; /* CD Boot - Flash Data Buffer */ 352 static dma_addr_t ips_flashbusaddr; 353 static long ips_FlashDataInUse; /* CD Boot - Flash Data In Use Flag */ 354 static uint32_t MaxLiteCmds = 32; /* Max Active Cmds for a Lite Adapter */ 355 static struct scsi_host_template ips_driver_template = { 356 .info = ips_info, 357 .queuecommand = ips_queue, 358 .eh_abort_handler = ips_eh_abort, 359 .eh_host_reset_handler = ips_eh_reset, 360 .proc_name = "ips", 361 .show_info = ips_show_info, 362 .write_info = ips_write_info, 363 .slave_configure = ips_slave_configure, 364 .bios_param = ips_biosparam, 365 .this_id = -1, 366 .sg_tablesize = IPS_MAX_SG, 367 .cmd_per_lun = 3, 368 .no_write_same = 1, 369 }; 370 371 372 /* This table describes all ServeRAID Adapters */ 373 static struct pci_device_id ips_pci_table[] = { 374 { 0x1014, 0x002E, PCI_ANY_ID, PCI_ANY_ID, 0, 0 }, 375 { 0x1014, 0x01BD, PCI_ANY_ID, PCI_ANY_ID, 0, 0 }, 376 { 0x9005, 0x0250, PCI_ANY_ID, PCI_ANY_ID, 0, 0 }, 377 { 0, } 378 }; 379 380 MODULE_DEVICE_TABLE( pci, ips_pci_table ); 381 382 static char ips_hot_plug_name[] = "ips"; 383 384 static int ips_insert_device(struct pci_dev *pci_dev, const struct pci_device_id *ent); 385 static void ips_remove_device(struct pci_dev *pci_dev); 386 387 static struct pci_driver ips_pci_driver = { 388 .name = ips_hot_plug_name, 389 .id_table = ips_pci_table, 390 .probe = ips_insert_device, 391 .remove = ips_remove_device, 392 }; 393 394 395 /* 396 * Necessary forward function protoypes 397 */ 398 static int ips_halt(struct notifier_block *nb, ulong event, void *buf); 399 400 #define MAX_ADAPTER_NAME 15 401 402 static char ips_adapter_name[][30] = { 403 "ServeRAID", 404 "ServeRAID II", 405 "ServeRAID on motherboard", 406 "ServeRAID on motherboard", 407 "ServeRAID 3H", 408 "ServeRAID 3L", 409 "ServeRAID 4H", 410 "ServeRAID 4M", 411 "ServeRAID 4L", 412 "ServeRAID 4Mx", 413 "ServeRAID 4Lx", 414 "ServeRAID 5i", 415 "ServeRAID 5i", 416 "ServeRAID 6M", 417 "ServeRAID 6i", 418 "ServeRAID 7t", 419 "ServeRAID 7k", 420 "ServeRAID 7M" 421 }; 422 423 static struct notifier_block ips_notifier = { 424 ips_halt, NULL, 0 425 }; 426 427 /* 428 * Direction table 429 */ 430 static char ips_command_direction[] = { 431 IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT, 432 IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK, 433 IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, 434 IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_OUT, 435 IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_OUT, 436 IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_OUT, 437 IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_IN, 438 IPS_DATA_UNK, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_UNK, 439 IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_UNK, 440 IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, 441 IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_NONE, 442 IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, 443 IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT, 444 IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_NONE, 445 IPS_DATA_UNK, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_UNK, 446 IPS_DATA_NONE, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_UNK, 447 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, 448 IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, 449 IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, 450 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, 451 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, 452 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, 453 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, 454 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, 455 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, 456 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, 457 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, 458 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, 459 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, 460 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, 461 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, 462 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, 463 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, 464 IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_NONE, 465 IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_OUT, 466 IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_NONE, 467 IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_IN, 468 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, 469 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, 470 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, 471 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, 472 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, 473 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, 474 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, 475 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, 476 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, 477 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_OUT, 478 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, 479 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, 480 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, 481 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK 482 }; 483 484 485 /****************************************************************************/ 486 /* */ 487 /* Routine Name: ips_setup */ 488 /* */ 489 /* Routine Description: */ 490 /* */ 491 /* setup parameters to the driver */ 492 /* */ 493 /****************************************************************************/ 494 static int 495 ips_setup(char *ips_str) 496 { 497 498 int i; 499 char *key; 500 char *value; 501 static const IPS_OPTION options[] = { 502 {"noi2o", &ips_force_i2o, 0}, 503 {"nommap", &ips_force_memio, 0}, 504 {"ioctlsize", &ips_ioctlsize, IPS_IOCTL_SIZE}, 505 {"cdboot", &ips_cd_boot, 0}, 506 {"maxcmds", &MaxLiteCmds, 32}, 507 }; 508 509 /* Don't use strtok() anymore ( if 2.4 Kernel or beyond ) */ 510 /* Search for value */ 511 while ((key = strsep(&ips_str, ",."))) { 512 if (!*key) 513 continue; 514 value = strchr(key, ':'); 515 if (value) 516 *value++ = '\0'; 517 /* 518 * We now have key/value pairs. 519 * Update the variables 520 */ 521 for (i = 0; i < ARRAY_SIZE(options); i++) { 522 if (strncasecmp 523 (key, options[i].option_name, 524 strlen(options[i].option_name)) == 0) { 525 if (value) 526 *options[i].option_flag = 527 simple_strtoul(value, NULL, 0); 528 else 529 *options[i].option_flag = 530 options[i].option_value; 531 break; 532 } 533 } 534 } 535 536 return (1); 537 } 538 539 __setup("ips=", ips_setup); 540 541 /****************************************************************************/ 542 /* */ 543 /* Routine Name: ips_detect */ 544 /* */ 545 /* Routine Description: */ 546 /* */ 547 /* Detect and initialize the driver */ 548 /* */ 549 /* NOTE: this routine is called under the io_request_lock spinlock */ 550 /* */ 551 /****************************************************************************/ 552 static int 553 ips_detect(struct scsi_host_template * SHT) 554 { 555 int i; 556 557 METHOD_TRACE("ips_detect", 1); 558 559 #ifdef MODULE 560 if (ips) 561 ips_setup(ips); 562 #endif 563 564 for (i = 0; i < ips_num_controllers; i++) { 565 if (ips_register_scsi(i)) 566 ips_free(ips_ha[i]); 567 ips_released_controllers++; 568 } 569 ips_hotplug = 1; 570 return (ips_num_controllers); 571 } 572 573 /****************************************************************************/ 574 /* configure the function pointers to use the functions that will work */ 575 /* with the found version of the adapter */ 576 /****************************************************************************/ 577 static void 578 ips_setup_funclist(ips_ha_t * ha) 579 { 580 581 /* 582 * Setup Functions 583 */ 584 if (IPS_IS_MORPHEUS(ha) || IPS_IS_MARCO(ha)) { 585 /* morpheus / marco / sebring */ 586 ha->func.isintr = ips_isintr_morpheus; 587 ha->func.isinit = ips_isinit_morpheus; 588 ha->func.issue = ips_issue_i2o_memio; 589 ha->func.init = ips_init_morpheus; 590 ha->func.statupd = ips_statupd_morpheus; 591 ha->func.reset = ips_reset_morpheus; 592 ha->func.intr = ips_intr_morpheus; 593 ha->func.enableint = ips_enable_int_morpheus; 594 } else if (IPS_USE_MEMIO(ha)) { 595 /* copperhead w/MEMIO */ 596 ha->func.isintr = ips_isintr_copperhead_memio; 597 ha->func.isinit = ips_isinit_copperhead_memio; 598 ha->func.init = ips_init_copperhead_memio; 599 ha->func.statupd = ips_statupd_copperhead_memio; 600 ha->func.statinit = ips_statinit_memio; 601 ha->func.reset = ips_reset_copperhead_memio; 602 ha->func.intr = ips_intr_copperhead; 603 ha->func.erasebios = ips_erase_bios_memio; 604 ha->func.programbios = ips_program_bios_memio; 605 ha->func.verifybios = ips_verify_bios_memio; 606 ha->func.enableint = ips_enable_int_copperhead_memio; 607 if (IPS_USE_I2O_DELIVER(ha)) 608 ha->func.issue = ips_issue_i2o_memio; 609 else 610 ha->func.issue = ips_issue_copperhead_memio; 611 } else { 612 /* copperhead */ 613 ha->func.isintr = ips_isintr_copperhead; 614 ha->func.isinit = ips_isinit_copperhead; 615 ha->func.init = ips_init_copperhead; 616 ha->func.statupd = ips_statupd_copperhead; 617 ha->func.statinit = ips_statinit; 618 ha->func.reset = ips_reset_copperhead; 619 ha->func.intr = ips_intr_copperhead; 620 ha->func.erasebios = ips_erase_bios; 621 ha->func.programbios = ips_program_bios; 622 ha->func.verifybios = ips_verify_bios; 623 ha->func.enableint = ips_enable_int_copperhead; 624 625 if (IPS_USE_I2O_DELIVER(ha)) 626 ha->func.issue = ips_issue_i2o; 627 else 628 ha->func.issue = ips_issue_copperhead; 629 } 630 } 631 632 /****************************************************************************/ 633 /* */ 634 /* Routine Name: ips_release */ 635 /* */ 636 /* Routine Description: */ 637 /* */ 638 /* Remove a driver */ 639 /* */ 640 /****************************************************************************/ 641 static int 642 ips_release(struct Scsi_Host *sh) 643 { 644 ips_scb_t *scb; 645 ips_ha_t *ha; 646 int i; 647 648 METHOD_TRACE("ips_release", 1); 649 650 scsi_remove_host(sh); 651 652 for (i = 0; i < IPS_MAX_ADAPTERS && ips_sh[i] != sh; i++) ; 653 654 if (i == IPS_MAX_ADAPTERS) { 655 printk(KERN_WARNING 656 "(%s) release, invalid Scsi_Host pointer.\n", ips_name); 657 BUG(); 658 return (FALSE); 659 } 660 661 ha = IPS_HA(sh); 662 663 if (!ha) 664 return (FALSE); 665 666 /* flush the cache on the controller */ 667 scb = &ha->scbs[ha->max_cmds - 1]; 668 669 ips_init_scb(ha, scb); 670 671 scb->timeout = ips_cmd_timeout; 672 scb->cdb[0] = IPS_CMD_FLUSH; 673 674 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH; 675 scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb); 676 scb->cmd.flush_cache.state = IPS_NORM_STATE; 677 scb->cmd.flush_cache.reserved = 0; 678 scb->cmd.flush_cache.reserved2 = 0; 679 scb->cmd.flush_cache.reserved3 = 0; 680 scb->cmd.flush_cache.reserved4 = 0; 681 682 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Flushing Cache.\n"); 683 684 /* send command */ 685 if (ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_ON) == IPS_FAILURE) 686 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Incomplete Flush.\n"); 687 688 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Flushing Complete.\n"); 689 690 ips_sh[i] = NULL; 691 ips_ha[i] = NULL; 692 693 /* free extra memory */ 694 ips_free(ha); 695 696 /* free IRQ */ 697 free_irq(ha->pcidev->irq, ha); 698 699 scsi_host_put(sh); 700 701 ips_released_controllers++; 702 703 return (FALSE); 704 } 705 706 /****************************************************************************/ 707 /* */ 708 /* Routine Name: ips_halt */ 709 /* */ 710 /* Routine Description: */ 711 /* */ 712 /* Perform cleanup when the system reboots */ 713 /* */ 714 /****************************************************************************/ 715 static int 716 ips_halt(struct notifier_block *nb, ulong event, void *buf) 717 { 718 ips_scb_t *scb; 719 ips_ha_t *ha; 720 int i; 721 722 if ((event != SYS_RESTART) && (event != SYS_HALT) && 723 (event != SYS_POWER_OFF)) 724 return (NOTIFY_DONE); 725 726 for (i = 0; i < ips_next_controller; i++) { 727 ha = (ips_ha_t *) ips_ha[i]; 728 729 if (!ha) 730 continue; 731 732 if (!ha->active) 733 continue; 734 735 /* flush the cache on the controller */ 736 scb = &ha->scbs[ha->max_cmds - 1]; 737 738 ips_init_scb(ha, scb); 739 740 scb->timeout = ips_cmd_timeout; 741 scb->cdb[0] = IPS_CMD_FLUSH; 742 743 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH; 744 scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb); 745 scb->cmd.flush_cache.state = IPS_NORM_STATE; 746 scb->cmd.flush_cache.reserved = 0; 747 scb->cmd.flush_cache.reserved2 = 0; 748 scb->cmd.flush_cache.reserved3 = 0; 749 scb->cmd.flush_cache.reserved4 = 0; 750 751 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Flushing Cache.\n"); 752 753 /* send command */ 754 if (ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_ON) == 755 IPS_FAILURE) 756 IPS_PRINTK(KERN_WARNING, ha->pcidev, 757 "Incomplete Flush.\n"); 758 else 759 IPS_PRINTK(KERN_WARNING, ha->pcidev, 760 "Flushing Complete.\n"); 761 } 762 763 return (NOTIFY_OK); 764 } 765 766 /****************************************************************************/ 767 /* */ 768 /* Routine Name: ips_eh_abort */ 769 /* */ 770 /* Routine Description: */ 771 /* */ 772 /* Abort a command (using the new error code stuff) */ 773 /* Note: this routine is called under the io_request_lock */ 774 /****************************************************************************/ 775 int ips_eh_abort(struct scsi_cmnd *SC) 776 { 777 ips_ha_t *ha; 778 ips_copp_wait_item_t *item; 779 int ret; 780 struct Scsi_Host *host; 781 782 METHOD_TRACE("ips_eh_abort", 1); 783 784 if (!SC) 785 return (FAILED); 786 787 host = SC->device->host; 788 ha = (ips_ha_t *) SC->device->host->hostdata; 789 790 if (!ha) 791 return (FAILED); 792 793 if (!ha->active) 794 return (FAILED); 795 796 spin_lock(host->host_lock); 797 798 /* See if the command is on the copp queue */ 799 item = ha->copp_waitlist.head; 800 while ((item) && (item->scsi_cmd != SC)) 801 item = item->next; 802 803 if (item) { 804 /* Found it */ 805 ips_removeq_copp(&ha->copp_waitlist, item); 806 ret = (SUCCESS); 807 808 /* See if the command is on the wait queue */ 809 } else if (ips_removeq_wait(&ha->scb_waitlist, SC)) { 810 /* command not sent yet */ 811 ret = (SUCCESS); 812 } else { 813 /* command must have already been sent */ 814 ret = (FAILED); 815 } 816 817 spin_unlock(host->host_lock); 818 return ret; 819 } 820 821 /****************************************************************************/ 822 /* */ 823 /* Routine Name: ips_eh_reset */ 824 /* */ 825 /* Routine Description: */ 826 /* */ 827 /* Reset the controller (with new eh error code) */ 828 /* */ 829 /* NOTE: this routine is called under the io_request_lock spinlock */ 830 /* */ 831 /****************************************************************************/ 832 static int __ips_eh_reset(struct scsi_cmnd *SC) 833 { 834 int ret; 835 int i; 836 ips_ha_t *ha; 837 ips_scb_t *scb; 838 ips_copp_wait_item_t *item; 839 840 METHOD_TRACE("ips_eh_reset", 1); 841 842 #ifdef NO_IPS_RESET 843 return (FAILED); 844 #else 845 846 if (!SC) { 847 DEBUG(1, "Reset called with NULL scsi command"); 848 849 return (FAILED); 850 } 851 852 ha = (ips_ha_t *) SC->device->host->hostdata; 853 854 if (!ha) { 855 DEBUG(1, "Reset called with NULL ha struct"); 856 857 return (FAILED); 858 } 859 860 if (!ha->active) 861 return (FAILED); 862 863 /* See if the command is on the copp queue */ 864 item = ha->copp_waitlist.head; 865 while ((item) && (item->scsi_cmd != SC)) 866 item = item->next; 867 868 if (item) { 869 /* Found it */ 870 ips_removeq_copp(&ha->copp_waitlist, item); 871 return (SUCCESS); 872 } 873 874 /* See if the command is on the wait queue */ 875 if (ips_removeq_wait(&ha->scb_waitlist, SC)) { 876 /* command not sent yet */ 877 return (SUCCESS); 878 } 879 880 /* An explanation for the casual observer: */ 881 /* Part of the function of a RAID controller is automatic error */ 882 /* detection and recovery. As such, the only problem that physically */ 883 /* resetting an adapter will ever fix is when, for some reason, */ 884 /* the driver is not successfully communicating with the adapter. */ 885 /* Therefore, we will attempt to flush this adapter. If that succeeds, */ 886 /* then there's no real purpose in a physical reset. This will complete */ 887 /* much faster and avoids any problems that might be caused by a */ 888 /* physical reset ( such as having to fail all the outstanding I/O's ). */ 889 890 if (ha->ioctl_reset == 0) { /* IF Not an IOCTL Requested Reset */ 891 scb = &ha->scbs[ha->max_cmds - 1]; 892 893 ips_init_scb(ha, scb); 894 895 scb->timeout = ips_cmd_timeout; 896 scb->cdb[0] = IPS_CMD_FLUSH; 897 898 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH; 899 scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb); 900 scb->cmd.flush_cache.state = IPS_NORM_STATE; 901 scb->cmd.flush_cache.reserved = 0; 902 scb->cmd.flush_cache.reserved2 = 0; 903 scb->cmd.flush_cache.reserved3 = 0; 904 scb->cmd.flush_cache.reserved4 = 0; 905 906 /* Attempt the flush command */ 907 ret = ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_IORL); 908 if (ret == IPS_SUCCESS) { 909 IPS_PRINTK(KERN_NOTICE, ha->pcidev, 910 "Reset Request - Flushed Cache\n"); 911 return (SUCCESS); 912 } 913 } 914 915 /* Either we can't communicate with the adapter or it's an IOCTL request */ 916 /* from a utility. A physical reset is needed at this point. */ 917 918 ha->ioctl_reset = 0; /* Reset the IOCTL Requested Reset Flag */ 919 920 /* 921 * command must have already been sent 922 * reset the controller 923 */ 924 IPS_PRINTK(KERN_NOTICE, ha->pcidev, "Resetting controller.\n"); 925 ret = (*ha->func.reset) (ha); 926 927 if (!ret) { 928 struct scsi_cmnd *scsi_cmd; 929 930 IPS_PRINTK(KERN_NOTICE, ha->pcidev, 931 "Controller reset failed - controller now offline.\n"); 932 933 /* Now fail all of the active commands */ 934 DEBUG_VAR(1, "(%s%d) Failing active commands", 935 ips_name, ha->host_num); 936 937 while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) { 938 scb->scsi_cmd->result = DID_ERROR << 16; 939 scb->scsi_cmd->scsi_done(scb->scsi_cmd); 940 ips_freescb(ha, scb); 941 } 942 943 /* Now fail all of the pending commands */ 944 DEBUG_VAR(1, "(%s%d) Failing pending commands", 945 ips_name, ha->host_num); 946 947 while ((scsi_cmd = ips_removeq_wait_head(&ha->scb_waitlist))) { 948 scsi_cmd->result = DID_ERROR; 949 scsi_cmd->scsi_done(scsi_cmd); 950 } 951 952 ha->active = FALSE; 953 return (FAILED); 954 } 955 956 if (!ips_clear_adapter(ha, IPS_INTR_IORL)) { 957 struct scsi_cmnd *scsi_cmd; 958 959 IPS_PRINTK(KERN_NOTICE, ha->pcidev, 960 "Controller reset failed - controller now offline.\n"); 961 962 /* Now fail all of the active commands */ 963 DEBUG_VAR(1, "(%s%d) Failing active commands", 964 ips_name, ha->host_num); 965 966 while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) { 967 scb->scsi_cmd->result = DID_ERROR << 16; 968 scb->scsi_cmd->scsi_done(scb->scsi_cmd); 969 ips_freescb(ha, scb); 970 } 971 972 /* Now fail all of the pending commands */ 973 DEBUG_VAR(1, "(%s%d) Failing pending commands", 974 ips_name, ha->host_num); 975 976 while ((scsi_cmd = ips_removeq_wait_head(&ha->scb_waitlist))) { 977 scsi_cmd->result = DID_ERROR << 16; 978 scsi_cmd->scsi_done(scsi_cmd); 979 } 980 981 ha->active = FALSE; 982 return (FAILED); 983 } 984 985 /* FFDC */ 986 if (le32_to_cpu(ha->subsys->param[3]) & 0x300000) { 987 ha->last_ffdc = ktime_get_real_seconds(); 988 ha->reset_count++; 989 ips_ffdc_reset(ha, IPS_INTR_IORL); 990 } 991 992 /* Now fail all of the active commands */ 993 DEBUG_VAR(1, "(%s%d) Failing active commands", ips_name, ha->host_num); 994 995 while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) { 996 scb->scsi_cmd->result = DID_RESET << 16; 997 scb->scsi_cmd->scsi_done(scb->scsi_cmd); 998 ips_freescb(ha, scb); 999 } 1000 1001 /* Reset DCDB active command bits */ 1002 for (i = 1; i < ha->nbus; i++) 1003 ha->dcdb_active[i - 1] = 0; 1004 1005 /* Reset the number of active IOCTLs */ 1006 ha->num_ioctl = 0; 1007 1008 ips_next(ha, IPS_INTR_IORL); 1009 1010 return (SUCCESS); 1011 #endif /* NO_IPS_RESET */ 1012 1013 } 1014 1015 static int ips_eh_reset(struct scsi_cmnd *SC) 1016 { 1017 int rc; 1018 1019 spin_lock_irq(SC->device->host->host_lock); 1020 rc = __ips_eh_reset(SC); 1021 spin_unlock_irq(SC->device->host->host_lock); 1022 1023 return rc; 1024 } 1025 1026 /****************************************************************************/ 1027 /* */ 1028 /* Routine Name: ips_queue */ 1029 /* */ 1030 /* Routine Description: */ 1031 /* */ 1032 /* Send a command to the controller */ 1033 /* */ 1034 /* NOTE: */ 1035 /* Linux obtains io_request_lock before calling this function */ 1036 /* */ 1037 /****************************************************************************/ 1038 static int ips_queue_lck(struct scsi_cmnd *SC, void (*done) (struct scsi_cmnd *)) 1039 { 1040 ips_ha_t *ha; 1041 ips_passthru_t *pt; 1042 1043 METHOD_TRACE("ips_queue", 1); 1044 1045 ha = (ips_ha_t *) SC->device->host->hostdata; 1046 1047 if (!ha) 1048 goto out_error; 1049 1050 if (!ha->active) 1051 goto out_error; 1052 1053 if (ips_is_passthru(SC)) { 1054 if (ha->copp_waitlist.count == IPS_MAX_IOCTL_QUEUE) { 1055 SC->result = DID_BUS_BUSY << 16; 1056 done(SC); 1057 1058 return (0); 1059 } 1060 } else if (ha->scb_waitlist.count == IPS_MAX_QUEUE) { 1061 SC->result = DID_BUS_BUSY << 16; 1062 done(SC); 1063 1064 return (0); 1065 } 1066 1067 SC->scsi_done = done; 1068 1069 DEBUG_VAR(2, "(%s%d): ips_queue: cmd 0x%X (%d %d %d)", 1070 ips_name, 1071 ha->host_num, 1072 SC->cmnd[0], 1073 SC->device->channel, SC->device->id, SC->device->lun); 1074 1075 /* Check for command to initiator IDs */ 1076 if ((scmd_channel(SC) > 0) 1077 && (scmd_id(SC) == ha->ha_id[scmd_channel(SC)])) { 1078 SC->result = DID_NO_CONNECT << 16; 1079 done(SC); 1080 1081 return (0); 1082 } 1083 1084 if (ips_is_passthru(SC)) { 1085 1086 ips_copp_wait_item_t *scratch; 1087 1088 /* A Reset IOCTL is only sent by the boot CD in extreme cases. */ 1089 /* There can never be any system activity ( network or disk ), but check */ 1090 /* anyway just as a good practice. */ 1091 pt = (ips_passthru_t *) scsi_sglist(SC); 1092 if ((pt->CoppCP.cmd.reset.op_code == IPS_CMD_RESET_CHANNEL) && 1093 (pt->CoppCP.cmd.reset.adapter_flag == 1)) { 1094 if (ha->scb_activelist.count != 0) { 1095 SC->result = DID_BUS_BUSY << 16; 1096 done(SC); 1097 return (0); 1098 } 1099 ha->ioctl_reset = 1; /* This reset request is from an IOCTL */ 1100 __ips_eh_reset(SC); 1101 SC->result = DID_OK << 16; 1102 SC->scsi_done(SC); 1103 return (0); 1104 } 1105 1106 /* allocate space for the scribble */ 1107 scratch = kmalloc(sizeof (ips_copp_wait_item_t), GFP_ATOMIC); 1108 1109 if (!scratch) { 1110 SC->result = DID_ERROR << 16; 1111 done(SC); 1112 1113 return (0); 1114 } 1115 1116 scratch->scsi_cmd = SC; 1117 scratch->next = NULL; 1118 1119 ips_putq_copp_tail(&ha->copp_waitlist, scratch); 1120 } else { 1121 ips_putq_wait_tail(&ha->scb_waitlist, SC); 1122 } 1123 1124 ips_next(ha, IPS_INTR_IORL); 1125 1126 return (0); 1127 out_error: 1128 SC->result = DID_ERROR << 16; 1129 done(SC); 1130 1131 return (0); 1132 } 1133 1134 static DEF_SCSI_QCMD(ips_queue) 1135 1136 /****************************************************************************/ 1137 /* */ 1138 /* Routine Name: ips_biosparam */ 1139 /* */ 1140 /* Routine Description: */ 1141 /* */ 1142 /* Set bios geometry for the controller */ 1143 /* */ 1144 /****************************************************************************/ 1145 static int ips_biosparam(struct scsi_device *sdev, struct block_device *bdev, 1146 sector_t capacity, int geom[]) 1147 { 1148 ips_ha_t *ha = (ips_ha_t *) sdev->host->hostdata; 1149 int heads; 1150 int sectors; 1151 int cylinders; 1152 1153 METHOD_TRACE("ips_biosparam", 1); 1154 1155 if (!ha) 1156 /* ?!?! host adater info invalid */ 1157 return (0); 1158 1159 if (!ha->active) 1160 return (0); 1161 1162 if (!ips_read_adapter_status(ha, IPS_INTR_ON)) 1163 /* ?!?! Enquiry command failed */ 1164 return (0); 1165 1166 if ((capacity > 0x400000) && ((ha->enq->ucMiscFlag & 0x8) == 0)) { 1167 heads = IPS_NORM_HEADS; 1168 sectors = IPS_NORM_SECTORS; 1169 } else { 1170 heads = IPS_COMP_HEADS; 1171 sectors = IPS_COMP_SECTORS; 1172 } 1173 1174 cylinders = (unsigned long) capacity / (heads * sectors); 1175 1176 DEBUG_VAR(2, "Geometry: heads: %d, sectors: %d, cylinders: %d", 1177 heads, sectors, cylinders); 1178 1179 geom[0] = heads; 1180 geom[1] = sectors; 1181 geom[2] = cylinders; 1182 1183 return (0); 1184 } 1185 1186 /****************************************************************************/ 1187 /* */ 1188 /* Routine Name: ips_slave_configure */ 1189 /* */ 1190 /* Routine Description: */ 1191 /* */ 1192 /* Set queue depths on devices once scan is complete */ 1193 /* */ 1194 /****************************************************************************/ 1195 static int 1196 ips_slave_configure(struct scsi_device * SDptr) 1197 { 1198 ips_ha_t *ha; 1199 int min; 1200 1201 ha = IPS_HA(SDptr->host); 1202 if (SDptr->tagged_supported && SDptr->type == TYPE_DISK) { 1203 min = ha->max_cmds / 2; 1204 if (ha->enq->ucLogDriveCount <= 2) 1205 min = ha->max_cmds - 1; 1206 scsi_change_queue_depth(SDptr, min); 1207 } 1208 1209 SDptr->skip_ms_page_8 = 1; 1210 SDptr->skip_ms_page_3f = 1; 1211 return 0; 1212 } 1213 1214 /****************************************************************************/ 1215 /* */ 1216 /* Routine Name: do_ipsintr */ 1217 /* */ 1218 /* Routine Description: */ 1219 /* */ 1220 /* Wrapper for the interrupt handler */ 1221 /* */ 1222 /****************************************************************************/ 1223 static irqreturn_t 1224 do_ipsintr(int irq, void *dev_id) 1225 { 1226 ips_ha_t *ha; 1227 struct Scsi_Host *host; 1228 int irqstatus; 1229 1230 METHOD_TRACE("do_ipsintr", 2); 1231 1232 ha = (ips_ha_t *) dev_id; 1233 if (!ha) 1234 return IRQ_NONE; 1235 host = ips_sh[ha->host_num]; 1236 /* interrupt during initialization */ 1237 if (!host) { 1238 (*ha->func.intr) (ha); 1239 return IRQ_HANDLED; 1240 } 1241 1242 spin_lock(host->host_lock); 1243 1244 if (!ha->active) { 1245 spin_unlock(host->host_lock); 1246 return IRQ_HANDLED; 1247 } 1248 1249 irqstatus = (*ha->func.intr) (ha); 1250 1251 spin_unlock(host->host_lock); 1252 1253 /* start the next command */ 1254 ips_next(ha, IPS_INTR_ON); 1255 return IRQ_RETVAL(irqstatus); 1256 } 1257 1258 /****************************************************************************/ 1259 /* */ 1260 /* Routine Name: ips_intr_copperhead */ 1261 /* */ 1262 /* Routine Description: */ 1263 /* */ 1264 /* Polling interrupt handler */ 1265 /* */ 1266 /* ASSUMES interrupts are disabled */ 1267 /* */ 1268 /****************************************************************************/ 1269 int 1270 ips_intr_copperhead(ips_ha_t * ha) 1271 { 1272 ips_stat_t *sp; 1273 ips_scb_t *scb; 1274 IPS_STATUS cstatus; 1275 int intrstatus; 1276 1277 METHOD_TRACE("ips_intr", 2); 1278 1279 if (!ha) 1280 return 0; 1281 1282 if (!ha->active) 1283 return 0; 1284 1285 intrstatus = (*ha->func.isintr) (ha); 1286 1287 if (!intrstatus) { 1288 /* 1289 * Unexpected/Shared interrupt 1290 */ 1291 1292 return 0; 1293 } 1294 1295 while (TRUE) { 1296 sp = &ha->sp; 1297 1298 intrstatus = (*ha->func.isintr) (ha); 1299 1300 if (!intrstatus) 1301 break; 1302 else 1303 cstatus.value = (*ha->func.statupd) (ha); 1304 1305 if (cstatus.fields.command_id > (IPS_MAX_CMDS - 1)) { 1306 /* Spurious Interrupt ? */ 1307 continue; 1308 } 1309 1310 ips_chkstatus(ha, &cstatus); 1311 scb = (ips_scb_t *) sp->scb_addr; 1312 1313 /* 1314 * use the callback function to finish things up 1315 * NOTE: interrupts are OFF for this 1316 */ 1317 (*scb->callback) (ha, scb); 1318 } /* end while */ 1319 return 1; 1320 } 1321 1322 /****************************************************************************/ 1323 /* */ 1324 /* Routine Name: ips_intr_morpheus */ 1325 /* */ 1326 /* Routine Description: */ 1327 /* */ 1328 /* Polling interrupt handler */ 1329 /* */ 1330 /* ASSUMES interrupts are disabled */ 1331 /* */ 1332 /****************************************************************************/ 1333 int 1334 ips_intr_morpheus(ips_ha_t * ha) 1335 { 1336 ips_stat_t *sp; 1337 ips_scb_t *scb; 1338 IPS_STATUS cstatus; 1339 int intrstatus; 1340 1341 METHOD_TRACE("ips_intr_morpheus", 2); 1342 1343 if (!ha) 1344 return 0; 1345 1346 if (!ha->active) 1347 return 0; 1348 1349 intrstatus = (*ha->func.isintr) (ha); 1350 1351 if (!intrstatus) { 1352 /* 1353 * Unexpected/Shared interrupt 1354 */ 1355 1356 return 0; 1357 } 1358 1359 while (TRUE) { 1360 sp = &ha->sp; 1361 1362 intrstatus = (*ha->func.isintr) (ha); 1363 1364 if (!intrstatus) 1365 break; 1366 else 1367 cstatus.value = (*ha->func.statupd) (ha); 1368 1369 if (cstatus.value == 0xffffffff) 1370 /* No more to process */ 1371 break; 1372 1373 if (cstatus.fields.command_id > (IPS_MAX_CMDS - 1)) { 1374 IPS_PRINTK(KERN_WARNING, ha->pcidev, 1375 "Spurious interrupt; no ccb.\n"); 1376 1377 continue; 1378 } 1379 1380 ips_chkstatus(ha, &cstatus); 1381 scb = (ips_scb_t *) sp->scb_addr; 1382 1383 /* 1384 * use the callback function to finish things up 1385 * NOTE: interrupts are OFF for this 1386 */ 1387 (*scb->callback) (ha, scb); 1388 } /* end while */ 1389 return 1; 1390 } 1391 1392 /****************************************************************************/ 1393 /* */ 1394 /* Routine Name: ips_info */ 1395 /* */ 1396 /* Routine Description: */ 1397 /* */ 1398 /* Return info about the driver */ 1399 /* */ 1400 /****************************************************************************/ 1401 static const char * 1402 ips_info(struct Scsi_Host *SH) 1403 { 1404 static char buffer[256]; 1405 char *bp; 1406 ips_ha_t *ha; 1407 1408 METHOD_TRACE("ips_info", 1); 1409 1410 ha = IPS_HA(SH); 1411 1412 if (!ha) 1413 return (NULL); 1414 1415 bp = &buffer[0]; 1416 memset(bp, 0, sizeof (buffer)); 1417 1418 sprintf(bp, "%s%s%s Build %d", "IBM PCI ServeRAID ", 1419 IPS_VERSION_HIGH, IPS_VERSION_LOW, IPS_BUILD_IDENT); 1420 1421 if (ha->ad_type > 0 && ha->ad_type <= MAX_ADAPTER_NAME) { 1422 strcat(bp, " <"); 1423 strcat(bp, ips_adapter_name[ha->ad_type - 1]); 1424 strcat(bp, ">"); 1425 } 1426 1427 return (bp); 1428 } 1429 1430 static int 1431 ips_write_info(struct Scsi_Host *host, char *buffer, int length) 1432 { 1433 int i; 1434 ips_ha_t *ha = NULL; 1435 1436 /* Find our host structure */ 1437 for (i = 0; i < ips_next_controller; i++) { 1438 if (ips_sh[i]) { 1439 if (ips_sh[i] == host) { 1440 ha = (ips_ha_t *) ips_sh[i]->hostdata; 1441 break; 1442 } 1443 } 1444 } 1445 1446 if (!ha) 1447 return (-EINVAL); 1448 1449 return 0; 1450 } 1451 1452 static int 1453 ips_show_info(struct seq_file *m, struct Scsi_Host *host) 1454 { 1455 int i; 1456 ips_ha_t *ha = NULL; 1457 1458 /* Find our host structure */ 1459 for (i = 0; i < ips_next_controller; i++) { 1460 if (ips_sh[i]) { 1461 if (ips_sh[i] == host) { 1462 ha = (ips_ha_t *) ips_sh[i]->hostdata; 1463 break; 1464 } 1465 } 1466 } 1467 1468 if (!ha) 1469 return (-EINVAL); 1470 1471 return ips_host_info(ha, m); 1472 } 1473 1474 /*--------------------------------------------------------------------------*/ 1475 /* Helper Functions */ 1476 /*--------------------------------------------------------------------------*/ 1477 1478 /****************************************************************************/ 1479 /* */ 1480 /* Routine Name: ips_is_passthru */ 1481 /* */ 1482 /* Routine Description: */ 1483 /* */ 1484 /* Determine if the specified SCSI command is really a passthru command */ 1485 /* */ 1486 /****************************************************************************/ 1487 static int ips_is_passthru(struct scsi_cmnd *SC) 1488 { 1489 unsigned long flags; 1490 1491 METHOD_TRACE("ips_is_passthru", 1); 1492 1493 if (!SC) 1494 return (0); 1495 1496 if ((SC->cmnd[0] == IPS_IOCTL_COMMAND) && 1497 (SC->device->channel == 0) && 1498 (SC->device->id == IPS_ADAPTER_ID) && 1499 (SC->device->lun == 0) && scsi_sglist(SC)) { 1500 struct scatterlist *sg = scsi_sglist(SC); 1501 char *buffer; 1502 1503 /* kmap_atomic() ensures addressability of the user buffer.*/ 1504 /* local_irq_save() protects the KM_IRQ0 address slot. */ 1505 local_irq_save(flags); 1506 buffer = kmap_atomic(sg_page(sg)) + sg->offset; 1507 if (buffer && buffer[0] == 'C' && buffer[1] == 'O' && 1508 buffer[2] == 'P' && buffer[3] == 'P') { 1509 kunmap_atomic(buffer - sg->offset); 1510 local_irq_restore(flags); 1511 return 1; 1512 } 1513 kunmap_atomic(buffer - sg->offset); 1514 local_irq_restore(flags); 1515 } 1516 return 0; 1517 } 1518 1519 /****************************************************************************/ 1520 /* */ 1521 /* Routine Name: ips_alloc_passthru_buffer */ 1522 /* */ 1523 /* Routine Description: */ 1524 /* allocate a buffer large enough for the ioctl data if the ioctl buffer */ 1525 /* is too small or doesn't exist */ 1526 /****************************************************************************/ 1527 static int 1528 ips_alloc_passthru_buffer(ips_ha_t * ha, int length) 1529 { 1530 void *bigger_buf; 1531 dma_addr_t dma_busaddr; 1532 1533 if (ha->ioctl_data && length <= ha->ioctl_len) 1534 return 0; 1535 /* there is no buffer or it's not big enough, allocate a new one */ 1536 bigger_buf = dma_alloc_coherent(&ha->pcidev->dev, length, &dma_busaddr, 1537 GFP_KERNEL); 1538 if (bigger_buf) { 1539 /* free the old memory */ 1540 dma_free_coherent(&ha->pcidev->dev, ha->ioctl_len, 1541 ha->ioctl_data, ha->ioctl_busaddr); 1542 /* use the new memory */ 1543 ha->ioctl_data = (char *) bigger_buf; 1544 ha->ioctl_len = length; 1545 ha->ioctl_busaddr = dma_busaddr; 1546 } else { 1547 return -1; 1548 } 1549 return 0; 1550 } 1551 1552 /****************************************************************************/ 1553 /* */ 1554 /* Routine Name: ips_make_passthru */ 1555 /* */ 1556 /* Routine Description: */ 1557 /* */ 1558 /* Make a passthru command out of the info in the Scsi block */ 1559 /* */ 1560 /****************************************************************************/ 1561 static int 1562 ips_make_passthru(ips_ha_t *ha, struct scsi_cmnd *SC, ips_scb_t *scb, int intr) 1563 { 1564 ips_passthru_t *pt; 1565 int length = 0; 1566 int i, ret; 1567 struct scatterlist *sg = scsi_sglist(SC); 1568 1569 METHOD_TRACE("ips_make_passthru", 1); 1570 1571 scsi_for_each_sg(SC, sg, scsi_sg_count(SC), i) 1572 length += sg->length; 1573 1574 if (length < sizeof (ips_passthru_t)) { 1575 /* wrong size */ 1576 DEBUG_VAR(1, "(%s%d) Passthru structure wrong size", 1577 ips_name, ha->host_num); 1578 return (IPS_FAILURE); 1579 } 1580 if (ips_alloc_passthru_buffer(ha, length)) { 1581 /* allocation failure! If ha->ioctl_data exists, use it to return 1582 some error codes. Return a failed command to the scsi layer. */ 1583 if (ha->ioctl_data) { 1584 pt = (ips_passthru_t *) ha->ioctl_data; 1585 ips_scmd_buf_read(SC, pt, sizeof (ips_passthru_t)); 1586 pt->BasicStatus = 0x0B; 1587 pt->ExtendedStatus = 0x00; 1588 ips_scmd_buf_write(SC, pt, sizeof (ips_passthru_t)); 1589 } 1590 return IPS_FAILURE; 1591 } 1592 ha->ioctl_datasize = length; 1593 1594 ips_scmd_buf_read(SC, ha->ioctl_data, ha->ioctl_datasize); 1595 pt = (ips_passthru_t *) ha->ioctl_data; 1596 1597 /* 1598 * Some notes about the passthru interface used 1599 * 1600 * IF the scsi op_code == 0x0d then we assume 1601 * that the data came along with/goes with the 1602 * packet we received from the sg driver. In this 1603 * case the CmdBSize field of the pt structure is 1604 * used for the size of the buffer. 1605 */ 1606 1607 switch (pt->CoppCmd) { 1608 case IPS_NUMCTRLS: 1609 memcpy(ha->ioctl_data + sizeof (ips_passthru_t), 1610 &ips_num_controllers, sizeof (int)); 1611 ips_scmd_buf_write(SC, ha->ioctl_data, 1612 sizeof (ips_passthru_t) + sizeof (int)); 1613 SC->result = DID_OK << 16; 1614 1615 return (IPS_SUCCESS_IMM); 1616 1617 case IPS_COPPUSRCMD: 1618 case IPS_COPPIOCCMD: 1619 if (SC->cmnd[0] == IPS_IOCTL_COMMAND) { 1620 if (length < (sizeof (ips_passthru_t) + pt->CmdBSize)) { 1621 /* wrong size */ 1622 DEBUG_VAR(1, 1623 "(%s%d) Passthru structure wrong size", 1624 ips_name, ha->host_num); 1625 1626 return (IPS_FAILURE); 1627 } 1628 1629 if (ha->pcidev->device == IPS_DEVICEID_COPPERHEAD && 1630 pt->CoppCP.cmd.flashfw.op_code == 1631 IPS_CMD_RW_BIOSFW) { 1632 ret = ips_flash_copperhead(ha, pt, scb); 1633 ips_scmd_buf_write(SC, ha->ioctl_data, 1634 sizeof (ips_passthru_t)); 1635 return ret; 1636 } 1637 if (ips_usrcmd(ha, pt, scb)) 1638 return (IPS_SUCCESS); 1639 else 1640 return (IPS_FAILURE); 1641 } 1642 1643 break; 1644 1645 } /* end switch */ 1646 1647 return (IPS_FAILURE); 1648 } 1649 1650 /****************************************************************************/ 1651 /* Routine Name: ips_flash_copperhead */ 1652 /* Routine Description: */ 1653 /* Flash the BIOS/FW on a Copperhead style controller */ 1654 /****************************************************************************/ 1655 static int 1656 ips_flash_copperhead(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb) 1657 { 1658 int datasize; 1659 1660 /* Trombone is the only copperhead that can do packet flash, but only 1661 * for firmware. No one said it had to make sense. */ 1662 if (IPS_IS_TROMBONE(ha) && pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE) { 1663 if (ips_usrcmd(ha, pt, scb)) 1664 return IPS_SUCCESS; 1665 else 1666 return IPS_FAILURE; 1667 } 1668 pt->BasicStatus = 0x0B; 1669 pt->ExtendedStatus = 0; 1670 scb->scsi_cmd->result = DID_OK << 16; 1671 /* IF it's OK to Use the "CD BOOT" Flash Buffer, then you can */ 1672 /* avoid allocating a huge buffer per adapter ( which can fail ). */ 1673 if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE && 1674 pt->CoppCP.cmd.flashfw.direction == IPS_ERASE_BIOS) { 1675 pt->BasicStatus = 0; 1676 return ips_flash_bios(ha, pt, scb); 1677 } else if (pt->CoppCP.cmd.flashfw.packet_num == 0) { 1678 if (ips_FlashData && !test_and_set_bit(0, &ips_FlashDataInUse)){ 1679 ha->flash_data = ips_FlashData; 1680 ha->flash_busaddr = ips_flashbusaddr; 1681 ha->flash_len = PAGE_SIZE << 7; 1682 ha->flash_datasize = 0; 1683 } else if (!ha->flash_data) { 1684 datasize = pt->CoppCP.cmd.flashfw.total_packets * 1685 pt->CoppCP.cmd.flashfw.count; 1686 ha->flash_data = dma_alloc_coherent(&ha->pcidev->dev, 1687 datasize, &ha->flash_busaddr, GFP_KERNEL); 1688 if (!ha->flash_data){ 1689 printk(KERN_WARNING "Unable to allocate a flash buffer\n"); 1690 return IPS_FAILURE; 1691 } 1692 ha->flash_datasize = 0; 1693 ha->flash_len = datasize; 1694 } else 1695 return IPS_FAILURE; 1696 } else { 1697 if (pt->CoppCP.cmd.flashfw.count + ha->flash_datasize > 1698 ha->flash_len) { 1699 ips_free_flash_copperhead(ha); 1700 IPS_PRINTK(KERN_WARNING, ha->pcidev, 1701 "failed size sanity check\n"); 1702 return IPS_FAILURE; 1703 } 1704 } 1705 if (!ha->flash_data) 1706 return IPS_FAILURE; 1707 pt->BasicStatus = 0; 1708 memcpy(&ha->flash_data[ha->flash_datasize], pt + 1, 1709 pt->CoppCP.cmd.flashfw.count); 1710 ha->flash_datasize += pt->CoppCP.cmd.flashfw.count; 1711 if (pt->CoppCP.cmd.flashfw.packet_num == 1712 pt->CoppCP.cmd.flashfw.total_packets - 1) { 1713 if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE) 1714 return ips_flash_bios(ha, pt, scb); 1715 else if (pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE) 1716 return ips_flash_firmware(ha, pt, scb); 1717 } 1718 return IPS_SUCCESS_IMM; 1719 } 1720 1721 /****************************************************************************/ 1722 /* Routine Name: ips_flash_bios */ 1723 /* Routine Description: */ 1724 /* flashes the bios of a copperhead adapter */ 1725 /****************************************************************************/ 1726 static int 1727 ips_flash_bios(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb) 1728 { 1729 1730 if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE && 1731 pt->CoppCP.cmd.flashfw.direction == IPS_WRITE_BIOS) { 1732 if ((!ha->func.programbios) || (!ha->func.erasebios) || 1733 (!ha->func.verifybios)) 1734 goto error; 1735 if ((*ha->func.erasebios) (ha)) { 1736 DEBUG_VAR(1, 1737 "(%s%d) flash bios failed - unable to erase flash", 1738 ips_name, ha->host_num); 1739 goto error; 1740 } else 1741 if ((*ha->func.programbios) (ha, 1742 ha->flash_data + 1743 IPS_BIOS_HEADER, 1744 ha->flash_datasize - 1745 IPS_BIOS_HEADER, 0)) { 1746 DEBUG_VAR(1, 1747 "(%s%d) flash bios failed - unable to flash", 1748 ips_name, ha->host_num); 1749 goto error; 1750 } else 1751 if ((*ha->func.verifybios) (ha, 1752 ha->flash_data + 1753 IPS_BIOS_HEADER, 1754 ha->flash_datasize - 1755 IPS_BIOS_HEADER, 0)) { 1756 DEBUG_VAR(1, 1757 "(%s%d) flash bios failed - unable to verify flash", 1758 ips_name, ha->host_num); 1759 goto error; 1760 } 1761 ips_free_flash_copperhead(ha); 1762 return IPS_SUCCESS_IMM; 1763 } else if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE && 1764 pt->CoppCP.cmd.flashfw.direction == IPS_ERASE_BIOS) { 1765 if (!ha->func.erasebios) 1766 goto error; 1767 if ((*ha->func.erasebios) (ha)) { 1768 DEBUG_VAR(1, 1769 "(%s%d) flash bios failed - unable to erase flash", 1770 ips_name, ha->host_num); 1771 goto error; 1772 } 1773 return IPS_SUCCESS_IMM; 1774 } 1775 error: 1776 pt->BasicStatus = 0x0B; 1777 pt->ExtendedStatus = 0x00; 1778 ips_free_flash_copperhead(ha); 1779 return IPS_FAILURE; 1780 } 1781 1782 /****************************************************************************/ 1783 /* */ 1784 /* Routine Name: ips_fill_scb_sg_single */ 1785 /* */ 1786 /* Routine Description: */ 1787 /* Fill in a single scb sg_list element from an address */ 1788 /* return a -1 if a breakup occurred */ 1789 /****************************************************************************/ 1790 static int 1791 ips_fill_scb_sg_single(ips_ha_t * ha, dma_addr_t busaddr, 1792 ips_scb_t * scb, int indx, unsigned int e_len) 1793 { 1794 1795 int ret_val = 0; 1796 1797 if ((scb->data_len + e_len) > ha->max_xfer) { 1798 e_len = ha->max_xfer - scb->data_len; 1799 scb->breakup = indx; 1800 ++scb->sg_break; 1801 ret_val = -1; 1802 } else { 1803 scb->breakup = 0; 1804 scb->sg_break = 0; 1805 } 1806 if (IPS_USE_ENH_SGLIST(ha)) { 1807 scb->sg_list.enh_list[indx].address_lo = 1808 cpu_to_le32(lower_32_bits(busaddr)); 1809 scb->sg_list.enh_list[indx].address_hi = 1810 cpu_to_le32(upper_32_bits(busaddr)); 1811 scb->sg_list.enh_list[indx].length = cpu_to_le32(e_len); 1812 } else { 1813 scb->sg_list.std_list[indx].address = 1814 cpu_to_le32(lower_32_bits(busaddr)); 1815 scb->sg_list.std_list[indx].length = cpu_to_le32(e_len); 1816 } 1817 1818 ++scb->sg_len; 1819 scb->data_len += e_len; 1820 return ret_val; 1821 } 1822 1823 /****************************************************************************/ 1824 /* Routine Name: ips_flash_firmware */ 1825 /* Routine Description: */ 1826 /* flashes the firmware of a copperhead adapter */ 1827 /****************************************************************************/ 1828 static int 1829 ips_flash_firmware(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb) 1830 { 1831 IPS_SG_LIST sg_list; 1832 uint32_t cmd_busaddr; 1833 1834 if (pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE && 1835 pt->CoppCP.cmd.flashfw.direction == IPS_WRITE_FW) { 1836 memset(&pt->CoppCP.cmd, 0, sizeof (IPS_HOST_COMMAND)); 1837 pt->CoppCP.cmd.flashfw.op_code = IPS_CMD_DOWNLOAD; 1838 pt->CoppCP.cmd.flashfw.count = cpu_to_le32(ha->flash_datasize); 1839 } else { 1840 pt->BasicStatus = 0x0B; 1841 pt->ExtendedStatus = 0x00; 1842 ips_free_flash_copperhead(ha); 1843 return IPS_FAILURE; 1844 } 1845 /* Save the S/G list pointer so it doesn't get clobbered */ 1846 sg_list.list = scb->sg_list.list; 1847 cmd_busaddr = scb->scb_busaddr; 1848 /* copy in the CP */ 1849 memcpy(&scb->cmd, &pt->CoppCP.cmd, sizeof (IPS_IOCTL_CMD)); 1850 /* FIX stuff that might be wrong */ 1851 scb->sg_list.list = sg_list.list; 1852 scb->scb_busaddr = cmd_busaddr; 1853 scb->bus = scb->scsi_cmd->device->channel; 1854 scb->target_id = scb->scsi_cmd->device->id; 1855 scb->lun = scb->scsi_cmd->device->lun; 1856 scb->sg_len = 0; 1857 scb->data_len = 0; 1858 scb->flags = 0; 1859 scb->op_code = 0; 1860 scb->callback = ipsintr_done; 1861 scb->timeout = ips_cmd_timeout; 1862 1863 scb->data_len = ha->flash_datasize; 1864 scb->data_busaddr = 1865 dma_map_single(&ha->pcidev->dev, ha->flash_data, scb->data_len, 1866 IPS_DMA_DIR(scb)); 1867 scb->flags |= IPS_SCB_MAP_SINGLE; 1868 scb->cmd.flashfw.command_id = IPS_COMMAND_ID(ha, scb); 1869 scb->cmd.flashfw.buffer_addr = cpu_to_le32(scb->data_busaddr); 1870 if (pt->TimeOut) 1871 scb->timeout = pt->TimeOut; 1872 scb->scsi_cmd->result = DID_OK << 16; 1873 return IPS_SUCCESS; 1874 } 1875 1876 /****************************************************************************/ 1877 /* Routine Name: ips_free_flash_copperhead */ 1878 /* Routine Description: */ 1879 /* release the memory resources used to hold the flash image */ 1880 /****************************************************************************/ 1881 static void 1882 ips_free_flash_copperhead(ips_ha_t * ha) 1883 { 1884 if (ha->flash_data == ips_FlashData) 1885 test_and_clear_bit(0, &ips_FlashDataInUse); 1886 else if (ha->flash_data) 1887 dma_free_coherent(&ha->pcidev->dev, ha->flash_len, 1888 ha->flash_data, ha->flash_busaddr); 1889 ha->flash_data = NULL; 1890 } 1891 1892 /****************************************************************************/ 1893 /* */ 1894 /* Routine Name: ips_usrcmd */ 1895 /* */ 1896 /* Routine Description: */ 1897 /* */ 1898 /* Process a user command and make it ready to send */ 1899 /* */ 1900 /****************************************************************************/ 1901 static int 1902 ips_usrcmd(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb) 1903 { 1904 IPS_SG_LIST sg_list; 1905 uint32_t cmd_busaddr; 1906 1907 METHOD_TRACE("ips_usrcmd", 1); 1908 1909 if ((!scb) || (!pt) || (!ha)) 1910 return (0); 1911 1912 /* Save the S/G list pointer so it doesn't get clobbered */ 1913 sg_list.list = scb->sg_list.list; 1914 cmd_busaddr = scb->scb_busaddr; 1915 /* copy in the CP */ 1916 memcpy(&scb->cmd, &pt->CoppCP.cmd, sizeof (IPS_IOCTL_CMD)); 1917 memcpy(&scb->dcdb, &pt->CoppCP.dcdb, sizeof (IPS_DCDB_TABLE)); 1918 1919 /* FIX stuff that might be wrong */ 1920 scb->sg_list.list = sg_list.list; 1921 scb->scb_busaddr = cmd_busaddr; 1922 scb->bus = scb->scsi_cmd->device->channel; 1923 scb->target_id = scb->scsi_cmd->device->id; 1924 scb->lun = scb->scsi_cmd->device->lun; 1925 scb->sg_len = 0; 1926 scb->data_len = 0; 1927 scb->flags = 0; 1928 scb->op_code = 0; 1929 scb->callback = ipsintr_done; 1930 scb->timeout = ips_cmd_timeout; 1931 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb); 1932 1933 /* we don't support DCDB/READ/WRITE Scatter Gather */ 1934 if ((scb->cmd.basic_io.op_code == IPS_CMD_READ_SG) || 1935 (scb->cmd.basic_io.op_code == IPS_CMD_WRITE_SG) || 1936 (scb->cmd.basic_io.op_code == IPS_CMD_DCDB_SG)) 1937 return (0); 1938 1939 if (pt->CmdBSize) { 1940 scb->data_len = pt->CmdBSize; 1941 scb->data_busaddr = ha->ioctl_busaddr + sizeof (ips_passthru_t); 1942 } else { 1943 scb->data_busaddr = 0L; 1944 } 1945 1946 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB) 1947 scb->cmd.dcdb.dcdb_address = cpu_to_le32(scb->scb_busaddr + 1948 (unsigned long) &scb-> 1949 dcdb - 1950 (unsigned long) scb); 1951 1952 if (pt->CmdBSize) { 1953 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB) 1954 scb->dcdb.buffer_pointer = 1955 cpu_to_le32(scb->data_busaddr); 1956 else 1957 scb->cmd.basic_io.sg_addr = 1958 cpu_to_le32(scb->data_busaddr); 1959 } 1960 1961 /* set timeouts */ 1962 if (pt->TimeOut) { 1963 scb->timeout = pt->TimeOut; 1964 1965 if (pt->TimeOut <= 10) 1966 scb->dcdb.cmd_attribute |= IPS_TIMEOUT10; 1967 else if (pt->TimeOut <= 60) 1968 scb->dcdb.cmd_attribute |= IPS_TIMEOUT60; 1969 else 1970 scb->dcdb.cmd_attribute |= IPS_TIMEOUT20M; 1971 } 1972 1973 /* assume success */ 1974 scb->scsi_cmd->result = DID_OK << 16; 1975 1976 /* success */ 1977 return (1); 1978 } 1979 1980 /****************************************************************************/ 1981 /* */ 1982 /* Routine Name: ips_cleanup_passthru */ 1983 /* */ 1984 /* Routine Description: */ 1985 /* */ 1986 /* Cleanup after a passthru command */ 1987 /* */ 1988 /****************************************************************************/ 1989 static void 1990 ips_cleanup_passthru(ips_ha_t * ha, ips_scb_t * scb) 1991 { 1992 ips_passthru_t *pt; 1993 1994 METHOD_TRACE("ips_cleanup_passthru", 1); 1995 1996 if ((!scb) || (!scb->scsi_cmd) || (!scsi_sglist(scb->scsi_cmd))) { 1997 DEBUG_VAR(1, "(%s%d) couldn't cleanup after passthru", 1998 ips_name, ha->host_num); 1999 2000 return; 2001 } 2002 pt = (ips_passthru_t *) ha->ioctl_data; 2003 2004 /* Copy data back to the user */ 2005 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB) /* Copy DCDB Back to Caller's Area */ 2006 memcpy(&pt->CoppCP.dcdb, &scb->dcdb, sizeof (IPS_DCDB_TABLE)); 2007 2008 pt->BasicStatus = scb->basic_status; 2009 pt->ExtendedStatus = scb->extended_status; 2010 pt->AdapterType = ha->ad_type; 2011 2012 if (ha->pcidev->device == IPS_DEVICEID_COPPERHEAD && 2013 (scb->cmd.flashfw.op_code == IPS_CMD_DOWNLOAD || 2014 scb->cmd.flashfw.op_code == IPS_CMD_RW_BIOSFW)) 2015 ips_free_flash_copperhead(ha); 2016 2017 ips_scmd_buf_write(scb->scsi_cmd, ha->ioctl_data, ha->ioctl_datasize); 2018 } 2019 2020 /****************************************************************************/ 2021 /* */ 2022 /* Routine Name: ips_host_info */ 2023 /* */ 2024 /* Routine Description: */ 2025 /* */ 2026 /* The passthru interface for the driver */ 2027 /* */ 2028 /****************************************************************************/ 2029 static int 2030 ips_host_info(ips_ha_t *ha, struct seq_file *m) 2031 { 2032 METHOD_TRACE("ips_host_info", 1); 2033 2034 seq_puts(m, "\nIBM ServeRAID General Information:\n\n"); 2035 2036 if ((le32_to_cpu(ha->nvram->signature) == IPS_NVRAM_P5_SIG) && 2037 (le16_to_cpu(ha->nvram->adapter_type) != 0)) 2038 seq_printf(m, "\tController Type : %s\n", 2039 ips_adapter_name[ha->ad_type - 1]); 2040 else 2041 seq_puts(m, "\tController Type : Unknown\n"); 2042 2043 if (ha->io_addr) 2044 seq_printf(m, 2045 "\tIO region : 0x%x (%d bytes)\n", 2046 ha->io_addr, ha->io_len); 2047 2048 if (ha->mem_addr) { 2049 seq_printf(m, 2050 "\tMemory region : 0x%x (%d bytes)\n", 2051 ha->mem_addr, ha->mem_len); 2052 seq_printf(m, 2053 "\tShared memory address : 0x%lx\n", 2054 (unsigned long)ha->mem_ptr); 2055 } 2056 2057 seq_printf(m, "\tIRQ number : %d\n", ha->pcidev->irq); 2058 2059 /* For the Next 3 lines Check for Binary 0 at the end and don't include it if it's there. */ 2060 /* That keeps everything happy for "text" operations on the proc file. */ 2061 2062 if (le32_to_cpu(ha->nvram->signature) == IPS_NVRAM_P5_SIG) { 2063 if (ha->nvram->bios_low[3] == 0) { 2064 seq_printf(m, 2065 "\tBIOS Version : %c%c%c%c%c%c%c\n", 2066 ha->nvram->bios_high[0], ha->nvram->bios_high[1], 2067 ha->nvram->bios_high[2], ha->nvram->bios_high[3], 2068 ha->nvram->bios_low[0], ha->nvram->bios_low[1], 2069 ha->nvram->bios_low[2]); 2070 2071 } else { 2072 seq_printf(m, 2073 "\tBIOS Version : %c%c%c%c%c%c%c%c\n", 2074 ha->nvram->bios_high[0], ha->nvram->bios_high[1], 2075 ha->nvram->bios_high[2], ha->nvram->bios_high[3], 2076 ha->nvram->bios_low[0], ha->nvram->bios_low[1], 2077 ha->nvram->bios_low[2], ha->nvram->bios_low[3]); 2078 } 2079 2080 } 2081 2082 if (ha->enq->CodeBlkVersion[7] == 0) { 2083 seq_printf(m, 2084 "\tFirmware Version : %c%c%c%c%c%c%c\n", 2085 ha->enq->CodeBlkVersion[0], ha->enq->CodeBlkVersion[1], 2086 ha->enq->CodeBlkVersion[2], ha->enq->CodeBlkVersion[3], 2087 ha->enq->CodeBlkVersion[4], ha->enq->CodeBlkVersion[5], 2088 ha->enq->CodeBlkVersion[6]); 2089 } else { 2090 seq_printf(m, 2091 "\tFirmware Version : %c%c%c%c%c%c%c%c\n", 2092 ha->enq->CodeBlkVersion[0], ha->enq->CodeBlkVersion[1], 2093 ha->enq->CodeBlkVersion[2], ha->enq->CodeBlkVersion[3], 2094 ha->enq->CodeBlkVersion[4], ha->enq->CodeBlkVersion[5], 2095 ha->enq->CodeBlkVersion[6], ha->enq->CodeBlkVersion[7]); 2096 } 2097 2098 if (ha->enq->BootBlkVersion[7] == 0) { 2099 seq_printf(m, 2100 "\tBoot Block Version : %c%c%c%c%c%c%c\n", 2101 ha->enq->BootBlkVersion[0], ha->enq->BootBlkVersion[1], 2102 ha->enq->BootBlkVersion[2], ha->enq->BootBlkVersion[3], 2103 ha->enq->BootBlkVersion[4], ha->enq->BootBlkVersion[5], 2104 ha->enq->BootBlkVersion[6]); 2105 } else { 2106 seq_printf(m, 2107 "\tBoot Block Version : %c%c%c%c%c%c%c%c\n", 2108 ha->enq->BootBlkVersion[0], ha->enq->BootBlkVersion[1], 2109 ha->enq->BootBlkVersion[2], ha->enq->BootBlkVersion[3], 2110 ha->enq->BootBlkVersion[4], ha->enq->BootBlkVersion[5], 2111 ha->enq->BootBlkVersion[6], ha->enq->BootBlkVersion[7]); 2112 } 2113 2114 seq_printf(m, "\tDriver Version : %s%s\n", 2115 IPS_VERSION_HIGH, IPS_VERSION_LOW); 2116 2117 seq_printf(m, "\tDriver Build : %d\n", 2118 IPS_BUILD_IDENT); 2119 2120 seq_printf(m, "\tMax Physical Devices : %d\n", 2121 ha->enq->ucMaxPhysicalDevices); 2122 seq_printf(m, "\tMax Active Commands : %d\n", 2123 ha->max_cmds); 2124 seq_printf(m, "\tCurrent Queued Commands : %d\n", 2125 ha->scb_waitlist.count); 2126 seq_printf(m, "\tCurrent Active Commands : %d\n", 2127 ha->scb_activelist.count - ha->num_ioctl); 2128 seq_printf(m, "\tCurrent Queued PT Commands : %d\n", 2129 ha->copp_waitlist.count); 2130 seq_printf(m, "\tCurrent Active PT Commands : %d\n", 2131 ha->num_ioctl); 2132 2133 seq_putc(m, '\n'); 2134 2135 return 0; 2136 } 2137 2138 /****************************************************************************/ 2139 /* */ 2140 /* Routine Name: ips_identify_controller */ 2141 /* */ 2142 /* Routine Description: */ 2143 /* */ 2144 /* Identify this controller */ 2145 /* */ 2146 /****************************************************************************/ 2147 static void 2148 ips_identify_controller(ips_ha_t * ha) 2149 { 2150 METHOD_TRACE("ips_identify_controller", 1); 2151 2152 switch (ha->pcidev->device) { 2153 case IPS_DEVICEID_COPPERHEAD: 2154 if (ha->pcidev->revision <= IPS_REVID_SERVERAID) { 2155 ha->ad_type = IPS_ADTYPE_SERVERAID; 2156 } else if (ha->pcidev->revision == IPS_REVID_SERVERAID2) { 2157 ha->ad_type = IPS_ADTYPE_SERVERAID2; 2158 } else if (ha->pcidev->revision == IPS_REVID_NAVAJO) { 2159 ha->ad_type = IPS_ADTYPE_NAVAJO; 2160 } else if ((ha->pcidev->revision == IPS_REVID_SERVERAID2) 2161 && (ha->slot_num == 0)) { 2162 ha->ad_type = IPS_ADTYPE_KIOWA; 2163 } else if ((ha->pcidev->revision >= IPS_REVID_CLARINETP1) && 2164 (ha->pcidev->revision <= IPS_REVID_CLARINETP3)) { 2165 if (ha->enq->ucMaxPhysicalDevices == 15) 2166 ha->ad_type = IPS_ADTYPE_SERVERAID3L; 2167 else 2168 ha->ad_type = IPS_ADTYPE_SERVERAID3; 2169 } else if ((ha->pcidev->revision >= IPS_REVID_TROMBONE32) && 2170 (ha->pcidev->revision <= IPS_REVID_TROMBONE64)) { 2171 ha->ad_type = IPS_ADTYPE_SERVERAID4H; 2172 } 2173 break; 2174 2175 case IPS_DEVICEID_MORPHEUS: 2176 switch (ha->pcidev->subsystem_device) { 2177 case IPS_SUBDEVICEID_4L: 2178 ha->ad_type = IPS_ADTYPE_SERVERAID4L; 2179 break; 2180 2181 case IPS_SUBDEVICEID_4M: 2182 ha->ad_type = IPS_ADTYPE_SERVERAID4M; 2183 break; 2184 2185 case IPS_SUBDEVICEID_4MX: 2186 ha->ad_type = IPS_ADTYPE_SERVERAID4MX; 2187 break; 2188 2189 case IPS_SUBDEVICEID_4LX: 2190 ha->ad_type = IPS_ADTYPE_SERVERAID4LX; 2191 break; 2192 2193 case IPS_SUBDEVICEID_5I2: 2194 ha->ad_type = IPS_ADTYPE_SERVERAID5I2; 2195 break; 2196 2197 case IPS_SUBDEVICEID_5I1: 2198 ha->ad_type = IPS_ADTYPE_SERVERAID5I1; 2199 break; 2200 } 2201 2202 break; 2203 2204 case IPS_DEVICEID_MARCO: 2205 switch (ha->pcidev->subsystem_device) { 2206 case IPS_SUBDEVICEID_6M: 2207 ha->ad_type = IPS_ADTYPE_SERVERAID6M; 2208 break; 2209 case IPS_SUBDEVICEID_6I: 2210 ha->ad_type = IPS_ADTYPE_SERVERAID6I; 2211 break; 2212 case IPS_SUBDEVICEID_7k: 2213 ha->ad_type = IPS_ADTYPE_SERVERAID7k; 2214 break; 2215 case IPS_SUBDEVICEID_7M: 2216 ha->ad_type = IPS_ADTYPE_SERVERAID7M; 2217 break; 2218 } 2219 break; 2220 } 2221 } 2222 2223 /****************************************************************************/ 2224 /* */ 2225 /* Routine Name: ips_get_bios_version */ 2226 /* */ 2227 /* Routine Description: */ 2228 /* */ 2229 /* Get the BIOS revision number */ 2230 /* */ 2231 /****************************************************************************/ 2232 static void 2233 ips_get_bios_version(ips_ha_t * ha, int intr) 2234 { 2235 ips_scb_t *scb; 2236 int ret; 2237 uint8_t major; 2238 uint8_t minor; 2239 uint8_t subminor; 2240 uint8_t *buffer; 2241 2242 METHOD_TRACE("ips_get_bios_version", 1); 2243 2244 major = 0; 2245 minor = 0; 2246 2247 memcpy(ha->bios_version, " ?", 8); 2248 2249 if (ha->pcidev->device == IPS_DEVICEID_COPPERHEAD) { 2250 if (IPS_USE_MEMIO(ha)) { 2251 /* Memory Mapped I/O */ 2252 2253 /* test 1st byte */ 2254 writel(0, ha->mem_ptr + IPS_REG_FLAP); 2255 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 2256 udelay(25); /* 25 us */ 2257 2258 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0x55) 2259 return; 2260 2261 writel(1, ha->mem_ptr + IPS_REG_FLAP); 2262 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 2263 udelay(25); /* 25 us */ 2264 2265 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0xAA) 2266 return; 2267 2268 /* Get Major version */ 2269 writel(0x1FF, ha->mem_ptr + IPS_REG_FLAP); 2270 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 2271 udelay(25); /* 25 us */ 2272 2273 major = readb(ha->mem_ptr + IPS_REG_FLDP); 2274 2275 /* Get Minor version */ 2276 writel(0x1FE, ha->mem_ptr + IPS_REG_FLAP); 2277 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 2278 udelay(25); /* 25 us */ 2279 minor = readb(ha->mem_ptr + IPS_REG_FLDP); 2280 2281 /* Get SubMinor version */ 2282 writel(0x1FD, ha->mem_ptr + IPS_REG_FLAP); 2283 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 2284 udelay(25); /* 25 us */ 2285 subminor = readb(ha->mem_ptr + IPS_REG_FLDP); 2286 2287 } else { 2288 /* Programmed I/O */ 2289 2290 /* test 1st byte */ 2291 outl(0, ha->io_addr + IPS_REG_FLAP); 2292 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 2293 udelay(25); /* 25 us */ 2294 2295 if (inb(ha->io_addr + IPS_REG_FLDP) != 0x55) 2296 return; 2297 2298 outl(1, ha->io_addr + IPS_REG_FLAP); 2299 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 2300 udelay(25); /* 25 us */ 2301 2302 if (inb(ha->io_addr + IPS_REG_FLDP) != 0xAA) 2303 return; 2304 2305 /* Get Major version */ 2306 outl(0x1FF, ha->io_addr + IPS_REG_FLAP); 2307 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 2308 udelay(25); /* 25 us */ 2309 2310 major = inb(ha->io_addr + IPS_REG_FLDP); 2311 2312 /* Get Minor version */ 2313 outl(0x1FE, ha->io_addr + IPS_REG_FLAP); 2314 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 2315 udelay(25); /* 25 us */ 2316 2317 minor = inb(ha->io_addr + IPS_REG_FLDP); 2318 2319 /* Get SubMinor version */ 2320 outl(0x1FD, ha->io_addr + IPS_REG_FLAP); 2321 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 2322 udelay(25); /* 25 us */ 2323 2324 subminor = inb(ha->io_addr + IPS_REG_FLDP); 2325 2326 } 2327 } else { 2328 /* Morpheus Family - Send Command to the card */ 2329 2330 buffer = ha->ioctl_data; 2331 2332 memset(buffer, 0, 0x1000); 2333 2334 scb = &ha->scbs[ha->max_cmds - 1]; 2335 2336 ips_init_scb(ha, scb); 2337 2338 scb->timeout = ips_cmd_timeout; 2339 scb->cdb[0] = IPS_CMD_RW_BIOSFW; 2340 2341 scb->cmd.flashfw.op_code = IPS_CMD_RW_BIOSFW; 2342 scb->cmd.flashfw.command_id = IPS_COMMAND_ID(ha, scb); 2343 scb->cmd.flashfw.type = 1; 2344 scb->cmd.flashfw.direction = 0; 2345 scb->cmd.flashfw.count = cpu_to_le32(0x800); 2346 scb->cmd.flashfw.total_packets = 1; 2347 scb->cmd.flashfw.packet_num = 0; 2348 scb->data_len = 0x1000; 2349 scb->cmd.flashfw.buffer_addr = ha->ioctl_busaddr; 2350 2351 /* issue the command */ 2352 if (((ret = 2353 ips_send_wait(ha, scb, ips_cmd_timeout, 2354 intr)) == IPS_FAILURE) 2355 || (ret == IPS_SUCCESS_IMM) 2356 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) { 2357 /* Error occurred */ 2358 2359 return; 2360 } 2361 2362 if ((buffer[0xC0] == 0x55) && (buffer[0xC1] == 0xAA)) { 2363 major = buffer[0x1ff + 0xC0]; /* Offset 0x1ff after the header (0xc0) */ 2364 minor = buffer[0x1fe + 0xC0]; /* Offset 0x1fe after the header (0xc0) */ 2365 subminor = buffer[0x1fd + 0xC0]; /* Offset 0x1fd after the header (0xc0) */ 2366 } else { 2367 return; 2368 } 2369 } 2370 2371 ha->bios_version[0] = hex_asc_upper_hi(major); 2372 ha->bios_version[1] = '.'; 2373 ha->bios_version[2] = hex_asc_upper_lo(major); 2374 ha->bios_version[3] = hex_asc_upper_lo(subminor); 2375 ha->bios_version[4] = '.'; 2376 ha->bios_version[5] = hex_asc_upper_hi(minor); 2377 ha->bios_version[6] = hex_asc_upper_lo(minor); 2378 ha->bios_version[7] = 0; 2379 } 2380 2381 /****************************************************************************/ 2382 /* */ 2383 /* Routine Name: ips_hainit */ 2384 /* */ 2385 /* Routine Description: */ 2386 /* */ 2387 /* Initialize the controller */ 2388 /* */ 2389 /* NOTE: Assumes to be called from with a lock */ 2390 /* */ 2391 /****************************************************************************/ 2392 static int 2393 ips_hainit(ips_ha_t * ha) 2394 { 2395 int i; 2396 2397 METHOD_TRACE("ips_hainit", 1); 2398 2399 if (!ha) 2400 return (0); 2401 2402 if (ha->func.statinit) 2403 (*ha->func.statinit) (ha); 2404 2405 if (ha->func.enableint) 2406 (*ha->func.enableint) (ha); 2407 2408 /* Send FFDC */ 2409 ha->reset_count = 1; 2410 ha->last_ffdc = ktime_get_real_seconds(); 2411 ips_ffdc_reset(ha, IPS_INTR_IORL); 2412 2413 if (!ips_read_config(ha, IPS_INTR_IORL)) { 2414 IPS_PRINTK(KERN_WARNING, ha->pcidev, 2415 "unable to read config from controller.\n"); 2416 2417 return (0); 2418 } 2419 /* end if */ 2420 if (!ips_read_adapter_status(ha, IPS_INTR_IORL)) { 2421 IPS_PRINTK(KERN_WARNING, ha->pcidev, 2422 "unable to read controller status.\n"); 2423 2424 return (0); 2425 } 2426 2427 /* Identify this controller */ 2428 ips_identify_controller(ha); 2429 2430 if (!ips_read_subsystem_parameters(ha, IPS_INTR_IORL)) { 2431 IPS_PRINTK(KERN_WARNING, ha->pcidev, 2432 "unable to read subsystem parameters.\n"); 2433 2434 return (0); 2435 } 2436 2437 /* write nvram user page 5 */ 2438 if (!ips_write_driver_status(ha, IPS_INTR_IORL)) { 2439 IPS_PRINTK(KERN_WARNING, ha->pcidev, 2440 "unable to write driver info to controller.\n"); 2441 2442 return (0); 2443 } 2444 2445 /* If there are Logical Drives and a Reset Occurred, then an EraseStripeLock is Needed */ 2446 if ((ha->conf->ucLogDriveCount > 0) && (ha->requires_esl == 1)) 2447 ips_clear_adapter(ha, IPS_INTR_IORL); 2448 2449 /* set limits on SID, LUN, BUS */ 2450 ha->ntargets = IPS_MAX_TARGETS + 1; 2451 ha->nlun = 1; 2452 ha->nbus = (ha->enq->ucMaxPhysicalDevices / IPS_MAX_TARGETS) + 1; 2453 2454 switch (ha->conf->logical_drive[0].ucStripeSize) { 2455 case 4: 2456 ha->max_xfer = 0x10000; 2457 break; 2458 2459 case 5: 2460 ha->max_xfer = 0x20000; 2461 break; 2462 2463 case 6: 2464 ha->max_xfer = 0x40000; 2465 break; 2466 2467 case 7: 2468 default: 2469 ha->max_xfer = 0x80000; 2470 break; 2471 } 2472 2473 /* setup max concurrent commands */ 2474 if (le32_to_cpu(ha->subsys->param[4]) & 0x1) { 2475 /* Use the new method */ 2476 ha->max_cmds = ha->enq->ucConcurrentCmdCount; 2477 } else { 2478 /* use the old method */ 2479 switch (ha->conf->logical_drive[0].ucStripeSize) { 2480 case 4: 2481 ha->max_cmds = 32; 2482 break; 2483 2484 case 5: 2485 ha->max_cmds = 16; 2486 break; 2487 2488 case 6: 2489 ha->max_cmds = 8; 2490 break; 2491 2492 case 7: 2493 default: 2494 ha->max_cmds = 4; 2495 break; 2496 } 2497 } 2498 2499 /* Limit the Active Commands on a Lite Adapter */ 2500 if ((ha->ad_type == IPS_ADTYPE_SERVERAID3L) || 2501 (ha->ad_type == IPS_ADTYPE_SERVERAID4L) || 2502 (ha->ad_type == IPS_ADTYPE_SERVERAID4LX)) { 2503 if ((ha->max_cmds > MaxLiteCmds) && (MaxLiteCmds)) 2504 ha->max_cmds = MaxLiteCmds; 2505 } 2506 2507 /* set controller IDs */ 2508 ha->ha_id[0] = IPS_ADAPTER_ID; 2509 for (i = 1; i < ha->nbus; i++) { 2510 ha->ha_id[i] = ha->conf->init_id[i - 1] & 0x1f; 2511 ha->dcdb_active[i - 1] = 0; 2512 } 2513 2514 return (1); 2515 } 2516 2517 /****************************************************************************/ 2518 /* */ 2519 /* Routine Name: ips_next */ 2520 /* */ 2521 /* Routine Description: */ 2522 /* */ 2523 /* Take the next command off the queue and send it to the controller */ 2524 /* */ 2525 /****************************************************************************/ 2526 static void 2527 ips_next(ips_ha_t * ha, int intr) 2528 { 2529 ips_scb_t *scb; 2530 struct scsi_cmnd *SC; 2531 struct scsi_cmnd *p; 2532 struct scsi_cmnd *q; 2533 ips_copp_wait_item_t *item; 2534 int ret; 2535 struct Scsi_Host *host; 2536 METHOD_TRACE("ips_next", 1); 2537 2538 if (!ha) 2539 return; 2540 host = ips_sh[ha->host_num]; 2541 /* 2542 * Block access to the queue function so 2543 * this command won't time out 2544 */ 2545 if (intr == IPS_INTR_ON) 2546 spin_lock(host->host_lock); 2547 2548 if ((ha->subsys->param[3] & 0x300000) 2549 && (ha->scb_activelist.count == 0)) { 2550 time64_t now = ktime_get_real_seconds(); 2551 if (now - ha->last_ffdc > IPS_SECS_8HOURS) { 2552 ha->last_ffdc = now; 2553 ips_ffdc_time(ha); 2554 } 2555 } 2556 2557 /* 2558 * Send passthru commands 2559 * These have priority over normal I/O 2560 * but shouldn't affect performance too much 2561 * since we limit the number that can be active 2562 * on the card at any one time 2563 */ 2564 while ((ha->num_ioctl < IPS_MAX_IOCTL) && 2565 (ha->copp_waitlist.head) && (scb = ips_getscb(ha))) { 2566 2567 item = ips_removeq_copp_head(&ha->copp_waitlist); 2568 ha->num_ioctl++; 2569 if (intr == IPS_INTR_ON) 2570 spin_unlock(host->host_lock); 2571 scb->scsi_cmd = item->scsi_cmd; 2572 kfree(item); 2573 2574 ret = ips_make_passthru(ha, scb->scsi_cmd, scb, intr); 2575 2576 if (intr == IPS_INTR_ON) 2577 spin_lock(host->host_lock); 2578 switch (ret) { 2579 case IPS_FAILURE: 2580 if (scb->scsi_cmd) { 2581 scb->scsi_cmd->result = DID_ERROR << 16; 2582 scb->scsi_cmd->scsi_done(scb->scsi_cmd); 2583 } 2584 2585 ips_freescb(ha, scb); 2586 break; 2587 case IPS_SUCCESS_IMM: 2588 if (scb->scsi_cmd) { 2589 scb->scsi_cmd->result = DID_OK << 16; 2590 scb->scsi_cmd->scsi_done(scb->scsi_cmd); 2591 } 2592 2593 ips_freescb(ha, scb); 2594 break; 2595 default: 2596 break; 2597 } /* end case */ 2598 2599 if (ret != IPS_SUCCESS) { 2600 ha->num_ioctl--; 2601 continue; 2602 } 2603 2604 ret = ips_send_cmd(ha, scb); 2605 2606 if (ret == IPS_SUCCESS) 2607 ips_putq_scb_head(&ha->scb_activelist, scb); 2608 else 2609 ha->num_ioctl--; 2610 2611 switch (ret) { 2612 case IPS_FAILURE: 2613 if (scb->scsi_cmd) { 2614 scb->scsi_cmd->result = DID_ERROR << 16; 2615 } 2616 2617 ips_freescb(ha, scb); 2618 break; 2619 case IPS_SUCCESS_IMM: 2620 ips_freescb(ha, scb); 2621 break; 2622 default: 2623 break; 2624 } /* end case */ 2625 2626 } 2627 2628 /* 2629 * Send "Normal" I/O commands 2630 */ 2631 2632 p = ha->scb_waitlist.head; 2633 while ((p) && (scb = ips_getscb(ha))) { 2634 if ((scmd_channel(p) > 0) 2635 && (ha-> 2636 dcdb_active[scmd_channel(p) - 2637 1] & (1 << scmd_id(p)))) { 2638 ips_freescb(ha, scb); 2639 p = (struct scsi_cmnd *) p->host_scribble; 2640 continue; 2641 } 2642 2643 q = p; 2644 SC = ips_removeq_wait(&ha->scb_waitlist, q); 2645 2646 if (intr == IPS_INTR_ON) 2647 spin_unlock(host->host_lock); /* Unlock HA after command is taken off queue */ 2648 2649 SC->result = DID_OK; 2650 SC->host_scribble = NULL; 2651 2652 scb->target_id = SC->device->id; 2653 scb->lun = SC->device->lun; 2654 scb->bus = SC->device->channel; 2655 scb->scsi_cmd = SC; 2656 scb->breakup = 0; 2657 scb->data_len = 0; 2658 scb->callback = ipsintr_done; 2659 scb->timeout = ips_cmd_timeout; 2660 memset(&scb->cmd, 0, 16); 2661 2662 /* copy in the CDB */ 2663 memcpy(scb->cdb, SC->cmnd, SC->cmd_len); 2664 2665 scb->sg_count = scsi_dma_map(SC); 2666 BUG_ON(scb->sg_count < 0); 2667 if (scb->sg_count) { 2668 struct scatterlist *sg; 2669 int i; 2670 2671 scb->flags |= IPS_SCB_MAP_SG; 2672 2673 scsi_for_each_sg(SC, sg, scb->sg_count, i) { 2674 if (ips_fill_scb_sg_single 2675 (ha, sg_dma_address(sg), scb, i, 2676 sg_dma_len(sg)) < 0) 2677 break; 2678 } 2679 scb->dcdb.transfer_length = scb->data_len; 2680 } else { 2681 scb->data_busaddr = 0L; 2682 scb->sg_len = 0; 2683 scb->data_len = 0; 2684 scb->dcdb.transfer_length = 0; 2685 } 2686 2687 scb->dcdb.cmd_attribute = 2688 ips_command_direction[scb->scsi_cmd->cmnd[0]]; 2689 2690 /* Allow a WRITE BUFFER Command to Have no Data */ 2691 /* This is Used by Tape Flash Utilites */ 2692 if ((scb->scsi_cmd->cmnd[0] == WRITE_BUFFER) && 2693 (scb->data_len == 0)) 2694 scb->dcdb.cmd_attribute = 0; 2695 2696 if (!(scb->dcdb.cmd_attribute & 0x3)) 2697 scb->dcdb.transfer_length = 0; 2698 2699 if (scb->data_len >= IPS_MAX_XFER) { 2700 scb->dcdb.cmd_attribute |= IPS_TRANSFER64K; 2701 scb->dcdb.transfer_length = 0; 2702 } 2703 if (intr == IPS_INTR_ON) 2704 spin_lock(host->host_lock); 2705 2706 ret = ips_send_cmd(ha, scb); 2707 2708 switch (ret) { 2709 case IPS_SUCCESS: 2710 ips_putq_scb_head(&ha->scb_activelist, scb); 2711 break; 2712 case IPS_FAILURE: 2713 if (scb->scsi_cmd) { 2714 scb->scsi_cmd->result = DID_ERROR << 16; 2715 scb->scsi_cmd->scsi_done(scb->scsi_cmd); 2716 } 2717 2718 if (scb->bus) 2719 ha->dcdb_active[scb->bus - 1] &= 2720 ~(1 << scb->target_id); 2721 2722 ips_freescb(ha, scb); 2723 break; 2724 case IPS_SUCCESS_IMM: 2725 if (scb->scsi_cmd) 2726 scb->scsi_cmd->scsi_done(scb->scsi_cmd); 2727 2728 if (scb->bus) 2729 ha->dcdb_active[scb->bus - 1] &= 2730 ~(1 << scb->target_id); 2731 2732 ips_freescb(ha, scb); 2733 break; 2734 default: 2735 break; 2736 } /* end case */ 2737 2738 p = (struct scsi_cmnd *) p->host_scribble; 2739 2740 } /* end while */ 2741 2742 if (intr == IPS_INTR_ON) 2743 spin_unlock(host->host_lock); 2744 } 2745 2746 /****************************************************************************/ 2747 /* */ 2748 /* Routine Name: ips_putq_scb_head */ 2749 /* */ 2750 /* Routine Description: */ 2751 /* */ 2752 /* Add an item to the head of the queue */ 2753 /* */ 2754 /* ASSUMED to be called from within the HA lock */ 2755 /* */ 2756 /****************************************************************************/ 2757 static void 2758 ips_putq_scb_head(ips_scb_queue_t * queue, ips_scb_t * item) 2759 { 2760 METHOD_TRACE("ips_putq_scb_head", 1); 2761 2762 if (!item) 2763 return; 2764 2765 item->q_next = queue->head; 2766 queue->head = item; 2767 2768 if (!queue->tail) 2769 queue->tail = item; 2770 2771 queue->count++; 2772 } 2773 2774 /****************************************************************************/ 2775 /* */ 2776 /* Routine Name: ips_removeq_scb_head */ 2777 /* */ 2778 /* Routine Description: */ 2779 /* */ 2780 /* Remove the head of the queue */ 2781 /* */ 2782 /* ASSUMED to be called from within the HA lock */ 2783 /* */ 2784 /****************************************************************************/ 2785 static ips_scb_t * 2786 ips_removeq_scb_head(ips_scb_queue_t * queue) 2787 { 2788 ips_scb_t *item; 2789 2790 METHOD_TRACE("ips_removeq_scb_head", 1); 2791 2792 item = queue->head; 2793 2794 if (!item) { 2795 return (NULL); 2796 } 2797 2798 queue->head = item->q_next; 2799 item->q_next = NULL; 2800 2801 if (queue->tail == item) 2802 queue->tail = NULL; 2803 2804 queue->count--; 2805 2806 return (item); 2807 } 2808 2809 /****************************************************************************/ 2810 /* */ 2811 /* Routine Name: ips_removeq_scb */ 2812 /* */ 2813 /* Routine Description: */ 2814 /* */ 2815 /* Remove an item from a queue */ 2816 /* */ 2817 /* ASSUMED to be called from within the HA lock */ 2818 /* */ 2819 /****************************************************************************/ 2820 static ips_scb_t * 2821 ips_removeq_scb(ips_scb_queue_t * queue, ips_scb_t * item) 2822 { 2823 ips_scb_t *p; 2824 2825 METHOD_TRACE("ips_removeq_scb", 1); 2826 2827 if (!item) 2828 return (NULL); 2829 2830 if (item == queue->head) { 2831 return (ips_removeq_scb_head(queue)); 2832 } 2833 2834 p = queue->head; 2835 2836 while ((p) && (item != p->q_next)) 2837 p = p->q_next; 2838 2839 if (p) { 2840 /* found a match */ 2841 p->q_next = item->q_next; 2842 2843 if (!item->q_next) 2844 queue->tail = p; 2845 2846 item->q_next = NULL; 2847 queue->count--; 2848 2849 return (item); 2850 } 2851 2852 return (NULL); 2853 } 2854 2855 /****************************************************************************/ 2856 /* */ 2857 /* Routine Name: ips_putq_wait_tail */ 2858 /* */ 2859 /* Routine Description: */ 2860 /* */ 2861 /* Add an item to the tail of the queue */ 2862 /* */ 2863 /* ASSUMED to be called from within the HA lock */ 2864 /* */ 2865 /****************************************************************************/ 2866 static void ips_putq_wait_tail(ips_wait_queue_entry_t *queue, struct scsi_cmnd *item) 2867 { 2868 METHOD_TRACE("ips_putq_wait_tail", 1); 2869 2870 if (!item) 2871 return; 2872 2873 item->host_scribble = NULL; 2874 2875 if (queue->tail) 2876 queue->tail->host_scribble = (char *) item; 2877 2878 queue->tail = item; 2879 2880 if (!queue->head) 2881 queue->head = item; 2882 2883 queue->count++; 2884 } 2885 2886 /****************************************************************************/ 2887 /* */ 2888 /* Routine Name: ips_removeq_wait_head */ 2889 /* */ 2890 /* Routine Description: */ 2891 /* */ 2892 /* Remove the head of the queue */ 2893 /* */ 2894 /* ASSUMED to be called from within the HA lock */ 2895 /* */ 2896 /****************************************************************************/ 2897 static struct scsi_cmnd *ips_removeq_wait_head(ips_wait_queue_entry_t *queue) 2898 { 2899 struct scsi_cmnd *item; 2900 2901 METHOD_TRACE("ips_removeq_wait_head", 1); 2902 2903 item = queue->head; 2904 2905 if (!item) { 2906 return (NULL); 2907 } 2908 2909 queue->head = (struct scsi_cmnd *) item->host_scribble; 2910 item->host_scribble = NULL; 2911 2912 if (queue->tail == item) 2913 queue->tail = NULL; 2914 2915 queue->count--; 2916 2917 return (item); 2918 } 2919 2920 /****************************************************************************/ 2921 /* */ 2922 /* Routine Name: ips_removeq_wait */ 2923 /* */ 2924 /* Routine Description: */ 2925 /* */ 2926 /* Remove an item from a queue */ 2927 /* */ 2928 /* ASSUMED to be called from within the HA lock */ 2929 /* */ 2930 /****************************************************************************/ 2931 static struct scsi_cmnd *ips_removeq_wait(ips_wait_queue_entry_t *queue, 2932 struct scsi_cmnd *item) 2933 { 2934 struct scsi_cmnd *p; 2935 2936 METHOD_TRACE("ips_removeq_wait", 1); 2937 2938 if (!item) 2939 return (NULL); 2940 2941 if (item == queue->head) { 2942 return (ips_removeq_wait_head(queue)); 2943 } 2944 2945 p = queue->head; 2946 2947 while ((p) && (item != (struct scsi_cmnd *) p->host_scribble)) 2948 p = (struct scsi_cmnd *) p->host_scribble; 2949 2950 if (p) { 2951 /* found a match */ 2952 p->host_scribble = item->host_scribble; 2953 2954 if (!item->host_scribble) 2955 queue->tail = p; 2956 2957 item->host_scribble = NULL; 2958 queue->count--; 2959 2960 return (item); 2961 } 2962 2963 return (NULL); 2964 } 2965 2966 /****************************************************************************/ 2967 /* */ 2968 /* Routine Name: ips_putq_copp_tail */ 2969 /* */ 2970 /* Routine Description: */ 2971 /* */ 2972 /* Add an item to the tail of the queue */ 2973 /* */ 2974 /* ASSUMED to be called from within the HA lock */ 2975 /* */ 2976 /****************************************************************************/ 2977 static void 2978 ips_putq_copp_tail(ips_copp_queue_t * queue, ips_copp_wait_item_t * item) 2979 { 2980 METHOD_TRACE("ips_putq_copp_tail", 1); 2981 2982 if (!item) 2983 return; 2984 2985 item->next = NULL; 2986 2987 if (queue->tail) 2988 queue->tail->next = item; 2989 2990 queue->tail = item; 2991 2992 if (!queue->head) 2993 queue->head = item; 2994 2995 queue->count++; 2996 } 2997 2998 /****************************************************************************/ 2999 /* */ 3000 /* Routine Name: ips_removeq_copp_head */ 3001 /* */ 3002 /* Routine Description: */ 3003 /* */ 3004 /* Remove the head of the queue */ 3005 /* */ 3006 /* ASSUMED to be called from within the HA lock */ 3007 /* */ 3008 /****************************************************************************/ 3009 static ips_copp_wait_item_t * 3010 ips_removeq_copp_head(ips_copp_queue_t * queue) 3011 { 3012 ips_copp_wait_item_t *item; 3013 3014 METHOD_TRACE("ips_removeq_copp_head", 1); 3015 3016 item = queue->head; 3017 3018 if (!item) { 3019 return (NULL); 3020 } 3021 3022 queue->head = item->next; 3023 item->next = NULL; 3024 3025 if (queue->tail == item) 3026 queue->tail = NULL; 3027 3028 queue->count--; 3029 3030 return (item); 3031 } 3032 3033 /****************************************************************************/ 3034 /* */ 3035 /* Routine Name: ips_removeq_copp */ 3036 /* */ 3037 /* Routine Description: */ 3038 /* */ 3039 /* Remove an item from a queue */ 3040 /* */ 3041 /* ASSUMED to be called from within the HA lock */ 3042 /* */ 3043 /****************************************************************************/ 3044 static ips_copp_wait_item_t * 3045 ips_removeq_copp(ips_copp_queue_t * queue, ips_copp_wait_item_t * item) 3046 { 3047 ips_copp_wait_item_t *p; 3048 3049 METHOD_TRACE("ips_removeq_copp", 1); 3050 3051 if (!item) 3052 return (NULL); 3053 3054 if (item == queue->head) { 3055 return (ips_removeq_copp_head(queue)); 3056 } 3057 3058 p = queue->head; 3059 3060 while ((p) && (item != p->next)) 3061 p = p->next; 3062 3063 if (p) { 3064 /* found a match */ 3065 p->next = item->next; 3066 3067 if (!item->next) 3068 queue->tail = p; 3069 3070 item->next = NULL; 3071 queue->count--; 3072 3073 return (item); 3074 } 3075 3076 return (NULL); 3077 } 3078 3079 /****************************************************************************/ 3080 /* */ 3081 /* Routine Name: ipsintr_blocking */ 3082 /* */ 3083 /* Routine Description: */ 3084 /* */ 3085 /* Finalize an interrupt for internal commands */ 3086 /* */ 3087 /****************************************************************************/ 3088 static void 3089 ipsintr_blocking(ips_ha_t * ha, ips_scb_t * scb) 3090 { 3091 METHOD_TRACE("ipsintr_blocking", 2); 3092 3093 ips_freescb(ha, scb); 3094 if ((ha->waitflag == TRUE) && (ha->cmd_in_progress == scb->cdb[0])) { 3095 ha->waitflag = FALSE; 3096 3097 return; 3098 } 3099 } 3100 3101 /****************************************************************************/ 3102 /* */ 3103 /* Routine Name: ipsintr_done */ 3104 /* */ 3105 /* Routine Description: */ 3106 /* */ 3107 /* Finalize an interrupt for non-internal commands */ 3108 /* */ 3109 /****************************************************************************/ 3110 static void 3111 ipsintr_done(ips_ha_t * ha, ips_scb_t * scb) 3112 { 3113 METHOD_TRACE("ipsintr_done", 2); 3114 3115 if (!scb) { 3116 IPS_PRINTK(KERN_WARNING, ha->pcidev, 3117 "Spurious interrupt; scb NULL.\n"); 3118 3119 return; 3120 } 3121 3122 if (scb->scsi_cmd == NULL) { 3123 /* unexpected interrupt */ 3124 IPS_PRINTK(KERN_WARNING, ha->pcidev, 3125 "Spurious interrupt; scsi_cmd not set.\n"); 3126 3127 return; 3128 } 3129 3130 ips_done(ha, scb); 3131 } 3132 3133 /****************************************************************************/ 3134 /* */ 3135 /* Routine Name: ips_done */ 3136 /* */ 3137 /* Routine Description: */ 3138 /* */ 3139 /* Do housekeeping on completed commands */ 3140 /* ASSUMED to be called form within the request lock */ 3141 /****************************************************************************/ 3142 static void 3143 ips_done(ips_ha_t * ha, ips_scb_t * scb) 3144 { 3145 int ret; 3146 3147 METHOD_TRACE("ips_done", 1); 3148 3149 if (!scb) 3150 return; 3151 3152 if ((scb->scsi_cmd) && (ips_is_passthru(scb->scsi_cmd))) { 3153 ips_cleanup_passthru(ha, scb); 3154 ha->num_ioctl--; 3155 } else { 3156 /* 3157 * Check to see if this command had too much 3158 * data and had to be broke up. If so, queue 3159 * the rest of the data and continue. 3160 */ 3161 if ((scb->breakup) || (scb->sg_break)) { 3162 struct scatterlist *sg; 3163 int i, sg_dma_index, ips_sg_index = 0; 3164 3165 /* we had a data breakup */ 3166 scb->data_len = 0; 3167 3168 sg = scsi_sglist(scb->scsi_cmd); 3169 3170 /* Spin forward to last dma chunk */ 3171 sg_dma_index = scb->breakup; 3172 for (i = 0; i < scb->breakup; i++) 3173 sg = sg_next(sg); 3174 3175 /* Take care of possible partial on last chunk */ 3176 ips_fill_scb_sg_single(ha, 3177 sg_dma_address(sg), 3178 scb, ips_sg_index++, 3179 sg_dma_len(sg)); 3180 3181 for (; sg_dma_index < scsi_sg_count(scb->scsi_cmd); 3182 sg_dma_index++, sg = sg_next(sg)) { 3183 if (ips_fill_scb_sg_single 3184 (ha, 3185 sg_dma_address(sg), 3186 scb, ips_sg_index++, 3187 sg_dma_len(sg)) < 0) 3188 break; 3189 } 3190 3191 scb->dcdb.transfer_length = scb->data_len; 3192 scb->dcdb.cmd_attribute |= 3193 ips_command_direction[scb->scsi_cmd->cmnd[0]]; 3194 3195 if (!(scb->dcdb.cmd_attribute & 0x3)) 3196 scb->dcdb.transfer_length = 0; 3197 3198 if (scb->data_len >= IPS_MAX_XFER) { 3199 scb->dcdb.cmd_attribute |= IPS_TRANSFER64K; 3200 scb->dcdb.transfer_length = 0; 3201 } 3202 3203 ret = ips_send_cmd(ha, scb); 3204 3205 switch (ret) { 3206 case IPS_FAILURE: 3207 if (scb->scsi_cmd) { 3208 scb->scsi_cmd->result = DID_ERROR << 16; 3209 scb->scsi_cmd->scsi_done(scb->scsi_cmd); 3210 } 3211 3212 ips_freescb(ha, scb); 3213 break; 3214 case IPS_SUCCESS_IMM: 3215 if (scb->scsi_cmd) { 3216 scb->scsi_cmd->result = DID_ERROR << 16; 3217 scb->scsi_cmd->scsi_done(scb->scsi_cmd); 3218 } 3219 3220 ips_freescb(ha, scb); 3221 break; 3222 default: 3223 break; 3224 } /* end case */ 3225 3226 return; 3227 } 3228 } /* end if passthru */ 3229 3230 if (scb->bus) { 3231 ha->dcdb_active[scb->bus - 1] &= ~(1 << scb->target_id); 3232 } 3233 3234 scb->scsi_cmd->scsi_done(scb->scsi_cmd); 3235 3236 ips_freescb(ha, scb); 3237 } 3238 3239 /****************************************************************************/ 3240 /* */ 3241 /* Routine Name: ips_map_status */ 3242 /* */ 3243 /* Routine Description: */ 3244 /* */ 3245 /* Map Controller Error codes to Linux Error Codes */ 3246 /* */ 3247 /****************************************************************************/ 3248 static int 3249 ips_map_status(ips_ha_t * ha, ips_scb_t * scb, ips_stat_t * sp) 3250 { 3251 int errcode; 3252 int device_error; 3253 uint32_t transfer_len; 3254 IPS_DCDB_TABLE_TAPE *tapeDCDB; 3255 IPS_SCSI_INQ_DATA inquiryData; 3256 3257 METHOD_TRACE("ips_map_status", 1); 3258 3259 if (scb->bus) { 3260 DEBUG_VAR(2, 3261 "(%s%d) Physical device error (%d %d %d): %x %x, Sense Key: %x, ASC: %x, ASCQ: %x", 3262 ips_name, ha->host_num, 3263 scb->scsi_cmd->device->channel, 3264 scb->scsi_cmd->device->id, scb->scsi_cmd->device->lun, 3265 scb->basic_status, scb->extended_status, 3266 scb->extended_status == 3267 IPS_ERR_CKCOND ? scb->dcdb.sense_info[2] & 0xf : 0, 3268 scb->extended_status == 3269 IPS_ERR_CKCOND ? scb->dcdb.sense_info[12] : 0, 3270 scb->extended_status == 3271 IPS_ERR_CKCOND ? scb->dcdb.sense_info[13] : 0); 3272 } 3273 3274 /* default driver error */ 3275 errcode = DID_ERROR; 3276 device_error = 0; 3277 3278 switch (scb->basic_status & IPS_GSC_STATUS_MASK) { 3279 case IPS_CMD_TIMEOUT: 3280 errcode = DID_TIME_OUT; 3281 break; 3282 3283 case IPS_INVAL_OPCO: 3284 case IPS_INVAL_CMD_BLK: 3285 case IPS_INVAL_PARM_BLK: 3286 case IPS_LD_ERROR: 3287 case IPS_CMD_CMPLT_WERROR: 3288 break; 3289 3290 case IPS_PHYS_DRV_ERROR: 3291 switch (scb->extended_status) { 3292 case IPS_ERR_SEL_TO: 3293 if (scb->bus) 3294 errcode = DID_NO_CONNECT; 3295 3296 break; 3297 3298 case IPS_ERR_OU_RUN: 3299 if ((scb->cmd.dcdb.op_code == IPS_CMD_EXTENDED_DCDB) || 3300 (scb->cmd.dcdb.op_code == 3301 IPS_CMD_EXTENDED_DCDB_SG)) { 3302 tapeDCDB = (IPS_DCDB_TABLE_TAPE *) & scb->dcdb; 3303 transfer_len = tapeDCDB->transfer_length; 3304 } else { 3305 transfer_len = 3306 (uint32_t) scb->dcdb.transfer_length; 3307 } 3308 3309 if ((scb->bus) && (transfer_len < scb->data_len)) { 3310 /* Underrun - set default to no error */ 3311 errcode = DID_OK; 3312 3313 /* Restrict access to physical DASD */ 3314 if (scb->scsi_cmd->cmnd[0] == INQUIRY) { 3315 ips_scmd_buf_read(scb->scsi_cmd, 3316 &inquiryData, sizeof (inquiryData)); 3317 if ((inquiryData.DeviceType & 0x1f) == TYPE_DISK) { 3318 errcode = DID_TIME_OUT; 3319 break; 3320 } 3321 } 3322 } else 3323 errcode = DID_ERROR; 3324 3325 break; 3326 3327 case IPS_ERR_RECOVERY: 3328 /* don't fail recovered errors */ 3329 if (scb->bus) 3330 errcode = DID_OK; 3331 3332 break; 3333 3334 case IPS_ERR_HOST_RESET: 3335 case IPS_ERR_DEV_RESET: 3336 errcode = DID_RESET; 3337 break; 3338 3339 case IPS_ERR_CKCOND: 3340 if (scb->bus) { 3341 if ((scb->cmd.dcdb.op_code == 3342 IPS_CMD_EXTENDED_DCDB) 3343 || (scb->cmd.dcdb.op_code == 3344 IPS_CMD_EXTENDED_DCDB_SG)) { 3345 tapeDCDB = 3346 (IPS_DCDB_TABLE_TAPE *) & scb->dcdb; 3347 memcpy(scb->scsi_cmd->sense_buffer, 3348 tapeDCDB->sense_info, 3349 SCSI_SENSE_BUFFERSIZE); 3350 } else { 3351 memcpy(scb->scsi_cmd->sense_buffer, 3352 scb->dcdb.sense_info, 3353 SCSI_SENSE_BUFFERSIZE); 3354 } 3355 device_error = 2; /* check condition */ 3356 } 3357 3358 errcode = DID_OK; 3359 3360 break; 3361 3362 default: 3363 errcode = DID_ERROR; 3364 break; 3365 3366 } /* end switch */ 3367 } /* end switch */ 3368 3369 scb->scsi_cmd->result = device_error | (errcode << 16); 3370 3371 return (1); 3372 } 3373 3374 /****************************************************************************/ 3375 /* */ 3376 /* Routine Name: ips_send_wait */ 3377 /* */ 3378 /* Routine Description: */ 3379 /* */ 3380 /* Send a command to the controller and wait for it to return */ 3381 /* */ 3382 /* The FFDC Time Stamp use this function for the callback, but doesn't */ 3383 /* actually need to wait. */ 3384 /****************************************************************************/ 3385 static int 3386 ips_send_wait(ips_ha_t * ha, ips_scb_t * scb, int timeout, int intr) 3387 { 3388 int ret; 3389 3390 METHOD_TRACE("ips_send_wait", 1); 3391 3392 if (intr != IPS_FFDC) { /* Won't be Waiting if this is a Time Stamp */ 3393 ha->waitflag = TRUE; 3394 ha->cmd_in_progress = scb->cdb[0]; 3395 } 3396 scb->callback = ipsintr_blocking; 3397 ret = ips_send_cmd(ha, scb); 3398 3399 if ((ret == IPS_FAILURE) || (ret == IPS_SUCCESS_IMM)) 3400 return (ret); 3401 3402 if (intr != IPS_FFDC) /* Don't Wait around if this is a Time Stamp */ 3403 ret = ips_wait(ha, timeout, intr); 3404 3405 return (ret); 3406 } 3407 3408 /****************************************************************************/ 3409 /* */ 3410 /* Routine Name: ips_scmd_buf_write */ 3411 /* */ 3412 /* Routine Description: */ 3413 /* Write data to struct scsi_cmnd request_buffer at proper offsets */ 3414 /****************************************************************************/ 3415 static void 3416 ips_scmd_buf_write(struct scsi_cmnd *scmd, void *data, unsigned int count) 3417 { 3418 unsigned long flags; 3419 3420 local_irq_save(flags); 3421 scsi_sg_copy_from_buffer(scmd, data, count); 3422 local_irq_restore(flags); 3423 } 3424 3425 /****************************************************************************/ 3426 /* */ 3427 /* Routine Name: ips_scmd_buf_read */ 3428 /* */ 3429 /* Routine Description: */ 3430 /* Copy data from a struct scsi_cmnd to a new, linear buffer */ 3431 /****************************************************************************/ 3432 static void 3433 ips_scmd_buf_read(struct scsi_cmnd *scmd, void *data, unsigned int count) 3434 { 3435 unsigned long flags; 3436 3437 local_irq_save(flags); 3438 scsi_sg_copy_to_buffer(scmd, data, count); 3439 local_irq_restore(flags); 3440 } 3441 3442 /****************************************************************************/ 3443 /* */ 3444 /* Routine Name: ips_send_cmd */ 3445 /* */ 3446 /* Routine Description: */ 3447 /* */ 3448 /* Map SCSI commands to ServeRAID commands for logical drives */ 3449 /* */ 3450 /****************************************************************************/ 3451 static int 3452 ips_send_cmd(ips_ha_t * ha, ips_scb_t * scb) 3453 { 3454 int ret; 3455 char *sp; 3456 int device_error; 3457 IPS_DCDB_TABLE_TAPE *tapeDCDB; 3458 int TimeOut; 3459 3460 METHOD_TRACE("ips_send_cmd", 1); 3461 3462 ret = IPS_SUCCESS; 3463 3464 if (!scb->scsi_cmd) { 3465 /* internal command */ 3466 3467 if (scb->bus > 0) { 3468 /* Controller commands can't be issued */ 3469 /* to real devices -- fail them */ 3470 if ((ha->waitflag == TRUE) && 3471 (ha->cmd_in_progress == scb->cdb[0])) { 3472 ha->waitflag = FALSE; 3473 } 3474 3475 return (1); 3476 } 3477 } else if ((scb->bus == 0) && (!ips_is_passthru(scb->scsi_cmd))) { 3478 /* command to logical bus -- interpret */ 3479 ret = IPS_SUCCESS_IMM; 3480 3481 switch (scb->scsi_cmd->cmnd[0]) { 3482 case ALLOW_MEDIUM_REMOVAL: 3483 case REZERO_UNIT: 3484 case ERASE: 3485 case WRITE_FILEMARKS: 3486 case SPACE: 3487 scb->scsi_cmd->result = DID_ERROR << 16; 3488 break; 3489 3490 case START_STOP: 3491 scb->scsi_cmd->result = DID_OK << 16; 3492 break; 3493 3494 case TEST_UNIT_READY: 3495 case INQUIRY: 3496 if (scb->target_id == IPS_ADAPTER_ID) { 3497 /* 3498 * Either we have a TUR 3499 * or we have a SCSI inquiry 3500 */ 3501 if (scb->scsi_cmd->cmnd[0] == TEST_UNIT_READY) 3502 scb->scsi_cmd->result = DID_OK << 16; 3503 3504 if (scb->scsi_cmd->cmnd[0] == INQUIRY) { 3505 IPS_SCSI_INQ_DATA inquiry; 3506 3507 memset(&inquiry, 0, 3508 sizeof (IPS_SCSI_INQ_DATA)); 3509 3510 inquiry.DeviceType = 3511 IPS_SCSI_INQ_TYPE_PROCESSOR; 3512 inquiry.DeviceTypeQualifier = 3513 IPS_SCSI_INQ_LU_CONNECTED; 3514 inquiry.Version = IPS_SCSI_INQ_REV2; 3515 inquiry.ResponseDataFormat = 3516 IPS_SCSI_INQ_RD_REV2; 3517 inquiry.AdditionalLength = 31; 3518 inquiry.Flags[0] = 3519 IPS_SCSI_INQ_Address16; 3520 inquiry.Flags[1] = 3521 IPS_SCSI_INQ_WBus16 | 3522 IPS_SCSI_INQ_Sync; 3523 memcpy(inquiry.VendorId, "IBM ", 3524 8); 3525 memcpy(inquiry.ProductId, 3526 "SERVERAID ", 16); 3527 memcpy(inquiry.ProductRevisionLevel, 3528 "1.00", 4); 3529 3530 ips_scmd_buf_write(scb->scsi_cmd, 3531 &inquiry, 3532 sizeof (inquiry)); 3533 3534 scb->scsi_cmd->result = DID_OK << 16; 3535 } 3536 } else { 3537 scb->cmd.logical_info.op_code = IPS_CMD_GET_LD_INFO; 3538 scb->cmd.logical_info.command_id = IPS_COMMAND_ID(ha, scb); 3539 scb->cmd.logical_info.reserved = 0; 3540 scb->cmd.logical_info.reserved2 = 0; 3541 scb->data_len = sizeof (IPS_LD_INFO); 3542 scb->data_busaddr = ha->logical_drive_info_dma_addr; 3543 scb->flags = 0; 3544 scb->cmd.logical_info.buffer_addr = scb->data_busaddr; 3545 ret = IPS_SUCCESS; 3546 } 3547 3548 break; 3549 3550 case REQUEST_SENSE: 3551 ips_reqsen(ha, scb); 3552 scb->scsi_cmd->result = DID_OK << 16; 3553 break; 3554 3555 case READ_6: 3556 case WRITE_6: 3557 if (!scb->sg_len) { 3558 scb->cmd.basic_io.op_code = 3559 (scb->scsi_cmd->cmnd[0] == 3560 READ_6) ? IPS_CMD_READ : IPS_CMD_WRITE; 3561 scb->cmd.basic_io.enhanced_sg = 0; 3562 scb->cmd.basic_io.sg_addr = 3563 cpu_to_le32(scb->data_busaddr); 3564 } else { 3565 scb->cmd.basic_io.op_code = 3566 (scb->scsi_cmd->cmnd[0] == 3567 READ_6) ? IPS_CMD_READ_SG : 3568 IPS_CMD_WRITE_SG; 3569 scb->cmd.basic_io.enhanced_sg = 3570 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0; 3571 scb->cmd.basic_io.sg_addr = 3572 cpu_to_le32(scb->sg_busaddr); 3573 } 3574 3575 scb->cmd.basic_io.segment_4G = 0; 3576 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb); 3577 scb->cmd.basic_io.log_drv = scb->target_id; 3578 scb->cmd.basic_io.sg_count = scb->sg_len; 3579 3580 if (scb->cmd.basic_io.lba) 3581 le32_add_cpu(&scb->cmd.basic_io.lba, 3582 le16_to_cpu(scb->cmd.basic_io. 3583 sector_count)); 3584 else 3585 scb->cmd.basic_io.lba = 3586 (((scb->scsi_cmd-> 3587 cmnd[1] & 0x1f) << 16) | (scb->scsi_cmd-> 3588 cmnd[2] << 8) | 3589 (scb->scsi_cmd->cmnd[3])); 3590 3591 scb->cmd.basic_io.sector_count = 3592 cpu_to_le16(scb->data_len / IPS_BLKSIZE); 3593 3594 if (le16_to_cpu(scb->cmd.basic_io.sector_count) == 0) 3595 scb->cmd.basic_io.sector_count = 3596 cpu_to_le16(256); 3597 3598 ret = IPS_SUCCESS; 3599 break; 3600 3601 case READ_10: 3602 case WRITE_10: 3603 if (!scb->sg_len) { 3604 scb->cmd.basic_io.op_code = 3605 (scb->scsi_cmd->cmnd[0] == 3606 READ_10) ? IPS_CMD_READ : IPS_CMD_WRITE; 3607 scb->cmd.basic_io.enhanced_sg = 0; 3608 scb->cmd.basic_io.sg_addr = 3609 cpu_to_le32(scb->data_busaddr); 3610 } else { 3611 scb->cmd.basic_io.op_code = 3612 (scb->scsi_cmd->cmnd[0] == 3613 READ_10) ? IPS_CMD_READ_SG : 3614 IPS_CMD_WRITE_SG; 3615 scb->cmd.basic_io.enhanced_sg = 3616 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0; 3617 scb->cmd.basic_io.sg_addr = 3618 cpu_to_le32(scb->sg_busaddr); 3619 } 3620 3621 scb->cmd.basic_io.segment_4G = 0; 3622 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb); 3623 scb->cmd.basic_io.log_drv = scb->target_id; 3624 scb->cmd.basic_io.sg_count = scb->sg_len; 3625 3626 if (scb->cmd.basic_io.lba) 3627 le32_add_cpu(&scb->cmd.basic_io.lba, 3628 le16_to_cpu(scb->cmd.basic_io. 3629 sector_count)); 3630 else 3631 scb->cmd.basic_io.lba = 3632 ((scb->scsi_cmd->cmnd[2] << 24) | (scb-> 3633 scsi_cmd-> 3634 cmnd[3] 3635 << 16) | 3636 (scb->scsi_cmd->cmnd[4] << 8) | scb-> 3637 scsi_cmd->cmnd[5]); 3638 3639 scb->cmd.basic_io.sector_count = 3640 cpu_to_le16(scb->data_len / IPS_BLKSIZE); 3641 3642 if (cpu_to_le16(scb->cmd.basic_io.sector_count) == 0) { 3643 /* 3644 * This is a null condition 3645 * we don't have to do anything 3646 * so just return 3647 */ 3648 scb->scsi_cmd->result = DID_OK << 16; 3649 } else 3650 ret = IPS_SUCCESS; 3651 3652 break; 3653 3654 case RESERVE: 3655 case RELEASE: 3656 scb->scsi_cmd->result = DID_OK << 16; 3657 break; 3658 3659 case MODE_SENSE: 3660 scb->cmd.basic_io.op_code = IPS_CMD_ENQUIRY; 3661 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb); 3662 scb->cmd.basic_io.segment_4G = 0; 3663 scb->cmd.basic_io.enhanced_sg = 0; 3664 scb->data_len = sizeof (*ha->enq); 3665 scb->cmd.basic_io.sg_addr = ha->enq_busaddr; 3666 ret = IPS_SUCCESS; 3667 break; 3668 3669 case READ_CAPACITY: 3670 scb->cmd.logical_info.op_code = IPS_CMD_GET_LD_INFO; 3671 scb->cmd.logical_info.command_id = IPS_COMMAND_ID(ha, scb); 3672 scb->cmd.logical_info.reserved = 0; 3673 scb->cmd.logical_info.reserved2 = 0; 3674 scb->cmd.logical_info.reserved3 = 0; 3675 scb->data_len = sizeof (IPS_LD_INFO); 3676 scb->data_busaddr = ha->logical_drive_info_dma_addr; 3677 scb->flags = 0; 3678 scb->cmd.logical_info.buffer_addr = scb->data_busaddr; 3679 ret = IPS_SUCCESS; 3680 break; 3681 3682 case SEND_DIAGNOSTIC: 3683 case REASSIGN_BLOCKS: 3684 case FORMAT_UNIT: 3685 case SEEK_10: 3686 case VERIFY: 3687 case READ_DEFECT_DATA: 3688 case READ_BUFFER: 3689 case WRITE_BUFFER: 3690 scb->scsi_cmd->result = DID_OK << 16; 3691 break; 3692 3693 default: 3694 /* Set the Return Info to appear like the Command was */ 3695 /* attempted, a Check Condition occurred, and Sense */ 3696 /* Data indicating an Invalid CDB OpCode is returned. */ 3697 sp = (char *) scb->scsi_cmd->sense_buffer; 3698 3699 sp[0] = 0x70; /* Error Code */ 3700 sp[2] = ILLEGAL_REQUEST; /* Sense Key 5 Illegal Req. */ 3701 sp[7] = 0x0A; /* Additional Sense Length */ 3702 sp[12] = 0x20; /* ASC = Invalid OpCode */ 3703 sp[13] = 0x00; /* ASCQ */ 3704 3705 device_error = 2; /* Indicate Check Condition */ 3706 scb->scsi_cmd->result = device_error | (DID_OK << 16); 3707 break; 3708 } /* end switch */ 3709 } 3710 /* end if */ 3711 if (ret == IPS_SUCCESS_IMM) 3712 return (ret); 3713 3714 /* setup DCDB */ 3715 if (scb->bus > 0) { 3716 3717 /* If we already know the Device is Not there, no need to attempt a Command */ 3718 /* This also protects an NT FailOver Controller from getting CDB's sent to it */ 3719 if (ha->conf->dev[scb->bus - 1][scb->target_id].ucState == 0) { 3720 scb->scsi_cmd->result = DID_NO_CONNECT << 16; 3721 return (IPS_SUCCESS_IMM); 3722 } 3723 3724 ha->dcdb_active[scb->bus - 1] |= (1 << scb->target_id); 3725 scb->cmd.dcdb.command_id = IPS_COMMAND_ID(ha, scb); 3726 scb->cmd.dcdb.dcdb_address = cpu_to_le32(scb->scb_busaddr + 3727 (unsigned long) &scb-> 3728 dcdb - 3729 (unsigned long) scb); 3730 scb->cmd.dcdb.reserved = 0; 3731 scb->cmd.dcdb.reserved2 = 0; 3732 scb->cmd.dcdb.reserved3 = 0; 3733 scb->cmd.dcdb.segment_4G = 0; 3734 scb->cmd.dcdb.enhanced_sg = 0; 3735 3736 TimeOut = scb->scsi_cmd->request->timeout; 3737 3738 if (ha->subsys->param[4] & 0x00100000) { /* If NEW Tape DCDB is Supported */ 3739 if (!scb->sg_len) { 3740 scb->cmd.dcdb.op_code = IPS_CMD_EXTENDED_DCDB; 3741 } else { 3742 scb->cmd.dcdb.op_code = 3743 IPS_CMD_EXTENDED_DCDB_SG; 3744 scb->cmd.dcdb.enhanced_sg = 3745 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0; 3746 } 3747 3748 tapeDCDB = (IPS_DCDB_TABLE_TAPE *) & scb->dcdb; /* Use Same Data Area as Old DCDB Struct */ 3749 tapeDCDB->device_address = 3750 ((scb->bus - 1) << 4) | scb->target_id; 3751 tapeDCDB->cmd_attribute |= IPS_DISCONNECT_ALLOWED; 3752 tapeDCDB->cmd_attribute &= ~IPS_TRANSFER64K; /* Always Turn OFF 64K Size Flag */ 3753 3754 if (TimeOut) { 3755 if (TimeOut < (10 * HZ)) 3756 tapeDCDB->cmd_attribute |= IPS_TIMEOUT10; /* TimeOut is 10 Seconds */ 3757 else if (TimeOut < (60 * HZ)) 3758 tapeDCDB->cmd_attribute |= IPS_TIMEOUT60; /* TimeOut is 60 Seconds */ 3759 else if (TimeOut < (1200 * HZ)) 3760 tapeDCDB->cmd_attribute |= IPS_TIMEOUT20M; /* TimeOut is 20 Minutes */ 3761 } 3762 3763 tapeDCDB->cdb_length = scb->scsi_cmd->cmd_len; 3764 tapeDCDB->reserved_for_LUN = 0; 3765 tapeDCDB->transfer_length = scb->data_len; 3766 if (scb->cmd.dcdb.op_code == IPS_CMD_EXTENDED_DCDB_SG) 3767 tapeDCDB->buffer_pointer = 3768 cpu_to_le32(scb->sg_busaddr); 3769 else 3770 tapeDCDB->buffer_pointer = 3771 cpu_to_le32(scb->data_busaddr); 3772 tapeDCDB->sg_count = scb->sg_len; 3773 tapeDCDB->sense_length = sizeof (tapeDCDB->sense_info); 3774 tapeDCDB->scsi_status = 0; 3775 tapeDCDB->reserved = 0; 3776 memcpy(tapeDCDB->scsi_cdb, scb->scsi_cmd->cmnd, 3777 scb->scsi_cmd->cmd_len); 3778 } else { 3779 if (!scb->sg_len) { 3780 scb->cmd.dcdb.op_code = IPS_CMD_DCDB; 3781 } else { 3782 scb->cmd.dcdb.op_code = IPS_CMD_DCDB_SG; 3783 scb->cmd.dcdb.enhanced_sg = 3784 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0; 3785 } 3786 3787 scb->dcdb.device_address = 3788 ((scb->bus - 1) << 4) | scb->target_id; 3789 scb->dcdb.cmd_attribute |= IPS_DISCONNECT_ALLOWED; 3790 3791 if (TimeOut) { 3792 if (TimeOut < (10 * HZ)) 3793 scb->dcdb.cmd_attribute |= IPS_TIMEOUT10; /* TimeOut is 10 Seconds */ 3794 else if (TimeOut < (60 * HZ)) 3795 scb->dcdb.cmd_attribute |= IPS_TIMEOUT60; /* TimeOut is 60 Seconds */ 3796 else if (TimeOut < (1200 * HZ)) 3797 scb->dcdb.cmd_attribute |= IPS_TIMEOUT20M; /* TimeOut is 20 Minutes */ 3798 } 3799 3800 scb->dcdb.transfer_length = scb->data_len; 3801 if (scb->dcdb.cmd_attribute & IPS_TRANSFER64K) 3802 scb->dcdb.transfer_length = 0; 3803 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB_SG) 3804 scb->dcdb.buffer_pointer = 3805 cpu_to_le32(scb->sg_busaddr); 3806 else 3807 scb->dcdb.buffer_pointer = 3808 cpu_to_le32(scb->data_busaddr); 3809 scb->dcdb.cdb_length = scb->scsi_cmd->cmd_len; 3810 scb->dcdb.sense_length = sizeof (scb->dcdb.sense_info); 3811 scb->dcdb.sg_count = scb->sg_len; 3812 scb->dcdb.reserved = 0; 3813 memcpy(scb->dcdb.scsi_cdb, scb->scsi_cmd->cmnd, 3814 scb->scsi_cmd->cmd_len); 3815 scb->dcdb.scsi_status = 0; 3816 scb->dcdb.reserved2[0] = 0; 3817 scb->dcdb.reserved2[1] = 0; 3818 scb->dcdb.reserved2[2] = 0; 3819 } 3820 } 3821 3822 return ((*ha->func.issue) (ha, scb)); 3823 } 3824 3825 /****************************************************************************/ 3826 /* */ 3827 /* Routine Name: ips_chk_status */ 3828 /* */ 3829 /* Routine Description: */ 3830 /* */ 3831 /* Check the status of commands to logical drives */ 3832 /* Assumed to be called with the HA lock */ 3833 /****************************************************************************/ 3834 static void 3835 ips_chkstatus(ips_ha_t * ha, IPS_STATUS * pstatus) 3836 { 3837 ips_scb_t *scb; 3838 ips_stat_t *sp; 3839 uint8_t basic_status; 3840 uint8_t ext_status; 3841 int errcode; 3842 IPS_SCSI_INQ_DATA inquiryData; 3843 3844 METHOD_TRACE("ips_chkstatus", 1); 3845 3846 scb = &ha->scbs[pstatus->fields.command_id]; 3847 scb->basic_status = basic_status = 3848 pstatus->fields.basic_status & IPS_BASIC_STATUS_MASK; 3849 scb->extended_status = ext_status = pstatus->fields.extended_status; 3850 3851 sp = &ha->sp; 3852 sp->residue_len = 0; 3853 sp->scb_addr = (void *) scb; 3854 3855 /* Remove the item from the active queue */ 3856 ips_removeq_scb(&ha->scb_activelist, scb); 3857 3858 if (!scb->scsi_cmd) 3859 /* internal commands are handled in do_ipsintr */ 3860 return; 3861 3862 DEBUG_VAR(2, "(%s%d) ips_chkstatus: cmd 0x%X id %d (%d %d %d)", 3863 ips_name, 3864 ha->host_num, 3865 scb->cdb[0], 3866 scb->cmd.basic_io.command_id, 3867 scb->bus, scb->target_id, scb->lun); 3868 3869 if ((scb->scsi_cmd) && (ips_is_passthru(scb->scsi_cmd))) 3870 /* passthru - just returns the raw result */ 3871 return; 3872 3873 errcode = DID_OK; 3874 3875 if (((basic_status & IPS_GSC_STATUS_MASK) == IPS_CMD_SUCCESS) || 3876 ((basic_status & IPS_GSC_STATUS_MASK) == IPS_CMD_RECOVERED_ERROR)) { 3877 3878 if (scb->bus == 0) { 3879 if ((basic_status & IPS_GSC_STATUS_MASK) == 3880 IPS_CMD_RECOVERED_ERROR) { 3881 DEBUG_VAR(1, 3882 "(%s%d) Recovered Logical Drive Error OpCode: %x, BSB: %x, ESB: %x", 3883 ips_name, ha->host_num, 3884 scb->cmd.basic_io.op_code, 3885 basic_status, ext_status); 3886 } 3887 3888 switch (scb->scsi_cmd->cmnd[0]) { 3889 case ALLOW_MEDIUM_REMOVAL: 3890 case REZERO_UNIT: 3891 case ERASE: 3892 case WRITE_FILEMARKS: 3893 case SPACE: 3894 errcode = DID_ERROR; 3895 break; 3896 3897 case START_STOP: 3898 break; 3899 3900 case TEST_UNIT_READY: 3901 if (!ips_online(ha, scb)) { 3902 errcode = DID_TIME_OUT; 3903 } 3904 break; 3905 3906 case INQUIRY: 3907 if (ips_online(ha, scb)) { 3908 ips_inquiry(ha, scb); 3909 } else { 3910 errcode = DID_TIME_OUT; 3911 } 3912 break; 3913 3914 case REQUEST_SENSE: 3915 ips_reqsen(ha, scb); 3916 break; 3917 3918 case READ_6: 3919 case WRITE_6: 3920 case READ_10: 3921 case WRITE_10: 3922 case RESERVE: 3923 case RELEASE: 3924 break; 3925 3926 case MODE_SENSE: 3927 if (!ips_online(ha, scb) 3928 || !ips_msense(ha, scb)) { 3929 errcode = DID_ERROR; 3930 } 3931 break; 3932 3933 case READ_CAPACITY: 3934 if (ips_online(ha, scb)) 3935 ips_rdcap(ha, scb); 3936 else { 3937 errcode = DID_TIME_OUT; 3938 } 3939 break; 3940 3941 case SEND_DIAGNOSTIC: 3942 case REASSIGN_BLOCKS: 3943 break; 3944 3945 case FORMAT_UNIT: 3946 errcode = DID_ERROR; 3947 break; 3948 3949 case SEEK_10: 3950 case VERIFY: 3951 case READ_DEFECT_DATA: 3952 case READ_BUFFER: 3953 case WRITE_BUFFER: 3954 break; 3955 3956 default: 3957 errcode = DID_ERROR; 3958 } /* end switch */ 3959 3960 scb->scsi_cmd->result = errcode << 16; 3961 } else { /* bus == 0 */ 3962 /* restrict access to physical drives */ 3963 if (scb->scsi_cmd->cmnd[0] == INQUIRY) { 3964 ips_scmd_buf_read(scb->scsi_cmd, 3965 &inquiryData, sizeof (inquiryData)); 3966 if ((inquiryData.DeviceType & 0x1f) == TYPE_DISK) 3967 scb->scsi_cmd->result = DID_TIME_OUT << 16; 3968 } 3969 } /* else */ 3970 } else { /* recovered error / success */ 3971 if (scb->bus == 0) { 3972 DEBUG_VAR(1, 3973 "(%s%d) Unrecovered Logical Drive Error OpCode: %x, BSB: %x, ESB: %x", 3974 ips_name, ha->host_num, 3975 scb->cmd.basic_io.op_code, basic_status, 3976 ext_status); 3977 } 3978 3979 ips_map_status(ha, scb, sp); 3980 } /* else */ 3981 } 3982 3983 /****************************************************************************/ 3984 /* */ 3985 /* Routine Name: ips_online */ 3986 /* */ 3987 /* Routine Description: */ 3988 /* */ 3989 /* Determine if a logical drive is online */ 3990 /* */ 3991 /****************************************************************************/ 3992 static int 3993 ips_online(ips_ha_t * ha, ips_scb_t * scb) 3994 { 3995 METHOD_TRACE("ips_online", 1); 3996 3997 if (scb->target_id >= IPS_MAX_LD) 3998 return (0); 3999 4000 if ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1) { 4001 memset(ha->logical_drive_info, 0, sizeof (IPS_LD_INFO)); 4002 return (0); 4003 } 4004 4005 if (ha->logical_drive_info->drive_info[scb->target_id].state != 4006 IPS_LD_OFFLINE 4007 && ha->logical_drive_info->drive_info[scb->target_id].state != 4008 IPS_LD_FREE 4009 && ha->logical_drive_info->drive_info[scb->target_id].state != 4010 IPS_LD_CRS 4011 && ha->logical_drive_info->drive_info[scb->target_id].state != 4012 IPS_LD_SYS) 4013 return (1); 4014 else 4015 return (0); 4016 } 4017 4018 /****************************************************************************/ 4019 /* */ 4020 /* Routine Name: ips_inquiry */ 4021 /* */ 4022 /* Routine Description: */ 4023 /* */ 4024 /* Simulate an inquiry command to a logical drive */ 4025 /* */ 4026 /****************************************************************************/ 4027 static int 4028 ips_inquiry(ips_ha_t * ha, ips_scb_t * scb) 4029 { 4030 IPS_SCSI_INQ_DATA inquiry; 4031 4032 METHOD_TRACE("ips_inquiry", 1); 4033 4034 memset(&inquiry, 0, sizeof (IPS_SCSI_INQ_DATA)); 4035 4036 inquiry.DeviceType = IPS_SCSI_INQ_TYPE_DASD; 4037 inquiry.DeviceTypeQualifier = IPS_SCSI_INQ_LU_CONNECTED; 4038 inquiry.Version = IPS_SCSI_INQ_REV2; 4039 inquiry.ResponseDataFormat = IPS_SCSI_INQ_RD_REV2; 4040 inquiry.AdditionalLength = 31; 4041 inquiry.Flags[0] = IPS_SCSI_INQ_Address16; 4042 inquiry.Flags[1] = 4043 IPS_SCSI_INQ_WBus16 | IPS_SCSI_INQ_Sync | IPS_SCSI_INQ_CmdQue; 4044 memcpy(inquiry.VendorId, "IBM ", 8); 4045 memcpy(inquiry.ProductId, "SERVERAID ", 16); 4046 memcpy(inquiry.ProductRevisionLevel, "1.00", 4); 4047 4048 ips_scmd_buf_write(scb->scsi_cmd, &inquiry, sizeof (inquiry)); 4049 4050 return (1); 4051 } 4052 4053 /****************************************************************************/ 4054 /* */ 4055 /* Routine Name: ips_rdcap */ 4056 /* */ 4057 /* Routine Description: */ 4058 /* */ 4059 /* Simulate a read capacity command to a logical drive */ 4060 /* */ 4061 /****************************************************************************/ 4062 static int 4063 ips_rdcap(ips_ha_t * ha, ips_scb_t * scb) 4064 { 4065 IPS_SCSI_CAPACITY cap; 4066 4067 METHOD_TRACE("ips_rdcap", 1); 4068 4069 if (scsi_bufflen(scb->scsi_cmd) < 8) 4070 return (0); 4071 4072 cap.lba = 4073 cpu_to_be32(le32_to_cpu 4074 (ha->logical_drive_info-> 4075 drive_info[scb->target_id].sector_count) - 1); 4076 cap.len = cpu_to_be32((uint32_t) IPS_BLKSIZE); 4077 4078 ips_scmd_buf_write(scb->scsi_cmd, &cap, sizeof (cap)); 4079 4080 return (1); 4081 } 4082 4083 /****************************************************************************/ 4084 /* */ 4085 /* Routine Name: ips_msense */ 4086 /* */ 4087 /* Routine Description: */ 4088 /* */ 4089 /* Simulate a mode sense command to a logical drive */ 4090 /* */ 4091 /****************************************************************************/ 4092 static int 4093 ips_msense(ips_ha_t * ha, ips_scb_t * scb) 4094 { 4095 uint16_t heads; 4096 uint16_t sectors; 4097 uint32_t cylinders; 4098 IPS_SCSI_MODE_PAGE_DATA mdata; 4099 4100 METHOD_TRACE("ips_msense", 1); 4101 4102 if (le32_to_cpu(ha->enq->ulDriveSize[scb->target_id]) > 0x400000 && 4103 (ha->enq->ucMiscFlag & 0x8) == 0) { 4104 heads = IPS_NORM_HEADS; 4105 sectors = IPS_NORM_SECTORS; 4106 } else { 4107 heads = IPS_COMP_HEADS; 4108 sectors = IPS_COMP_SECTORS; 4109 } 4110 4111 cylinders = 4112 (le32_to_cpu(ha->enq->ulDriveSize[scb->target_id]) - 4113 1) / (heads * sectors); 4114 4115 memset(&mdata, 0, sizeof (IPS_SCSI_MODE_PAGE_DATA)); 4116 4117 mdata.hdr.BlockDescLength = 8; 4118 4119 switch (scb->scsi_cmd->cmnd[2] & 0x3f) { 4120 case 0x03: /* page 3 */ 4121 mdata.pdata.pg3.PageCode = 3; 4122 mdata.pdata.pg3.PageLength = sizeof (IPS_SCSI_MODE_PAGE3); 4123 mdata.hdr.DataLength = 4124 3 + mdata.hdr.BlockDescLength + mdata.pdata.pg3.PageLength; 4125 mdata.pdata.pg3.TracksPerZone = 0; 4126 mdata.pdata.pg3.AltSectorsPerZone = 0; 4127 mdata.pdata.pg3.AltTracksPerZone = 0; 4128 mdata.pdata.pg3.AltTracksPerVolume = 0; 4129 mdata.pdata.pg3.SectorsPerTrack = cpu_to_be16(sectors); 4130 mdata.pdata.pg3.BytesPerSector = cpu_to_be16(IPS_BLKSIZE); 4131 mdata.pdata.pg3.Interleave = cpu_to_be16(1); 4132 mdata.pdata.pg3.TrackSkew = 0; 4133 mdata.pdata.pg3.CylinderSkew = 0; 4134 mdata.pdata.pg3.flags = IPS_SCSI_MP3_SoftSector; 4135 break; 4136 4137 case 0x4: 4138 mdata.pdata.pg4.PageCode = 4; 4139 mdata.pdata.pg4.PageLength = sizeof (IPS_SCSI_MODE_PAGE4); 4140 mdata.hdr.DataLength = 4141 3 + mdata.hdr.BlockDescLength + mdata.pdata.pg4.PageLength; 4142 mdata.pdata.pg4.CylindersHigh = 4143 cpu_to_be16((cylinders >> 8) & 0xFFFF); 4144 mdata.pdata.pg4.CylindersLow = (cylinders & 0xFF); 4145 mdata.pdata.pg4.Heads = heads; 4146 mdata.pdata.pg4.WritePrecompHigh = 0; 4147 mdata.pdata.pg4.WritePrecompLow = 0; 4148 mdata.pdata.pg4.ReducedWriteCurrentHigh = 0; 4149 mdata.pdata.pg4.ReducedWriteCurrentLow = 0; 4150 mdata.pdata.pg4.StepRate = cpu_to_be16(1); 4151 mdata.pdata.pg4.LandingZoneHigh = 0; 4152 mdata.pdata.pg4.LandingZoneLow = 0; 4153 mdata.pdata.pg4.flags = 0; 4154 mdata.pdata.pg4.RotationalOffset = 0; 4155 mdata.pdata.pg4.MediumRotationRate = 0; 4156 break; 4157 case 0x8: 4158 mdata.pdata.pg8.PageCode = 8; 4159 mdata.pdata.pg8.PageLength = sizeof (IPS_SCSI_MODE_PAGE8); 4160 mdata.hdr.DataLength = 4161 3 + mdata.hdr.BlockDescLength + mdata.pdata.pg8.PageLength; 4162 /* everything else is left set to 0 */ 4163 break; 4164 4165 default: 4166 return (0); 4167 } /* end switch */ 4168 4169 ips_scmd_buf_write(scb->scsi_cmd, &mdata, sizeof (mdata)); 4170 4171 return (1); 4172 } 4173 4174 /****************************************************************************/ 4175 /* */ 4176 /* Routine Name: ips_reqsen */ 4177 /* */ 4178 /* Routine Description: */ 4179 /* */ 4180 /* Simulate a request sense command to a logical drive */ 4181 /* */ 4182 /****************************************************************************/ 4183 static int 4184 ips_reqsen(ips_ha_t * ha, ips_scb_t * scb) 4185 { 4186 IPS_SCSI_REQSEN reqsen; 4187 4188 METHOD_TRACE("ips_reqsen", 1); 4189 4190 memset(&reqsen, 0, sizeof (IPS_SCSI_REQSEN)); 4191 4192 reqsen.ResponseCode = 4193 IPS_SCSI_REQSEN_VALID | IPS_SCSI_REQSEN_CURRENT_ERR; 4194 reqsen.AdditionalLength = 10; 4195 reqsen.AdditionalSenseCode = IPS_SCSI_REQSEN_NO_SENSE; 4196 reqsen.AdditionalSenseCodeQual = IPS_SCSI_REQSEN_NO_SENSE; 4197 4198 ips_scmd_buf_write(scb->scsi_cmd, &reqsen, sizeof (reqsen)); 4199 4200 return (1); 4201 } 4202 4203 /****************************************************************************/ 4204 /* */ 4205 /* Routine Name: ips_free */ 4206 /* */ 4207 /* Routine Description: */ 4208 /* */ 4209 /* Free any allocated space for this controller */ 4210 /* */ 4211 /****************************************************************************/ 4212 static void 4213 ips_free(ips_ha_t * ha) 4214 { 4215 4216 METHOD_TRACE("ips_free", 1); 4217 4218 if (ha) { 4219 if (ha->enq) { 4220 dma_free_coherent(&ha->pcidev->dev, sizeof(IPS_ENQ), 4221 ha->enq, ha->enq_busaddr); 4222 ha->enq = NULL; 4223 } 4224 4225 kfree(ha->conf); 4226 ha->conf = NULL; 4227 4228 if (ha->adapt) { 4229 dma_free_coherent(&ha->pcidev->dev, 4230 sizeof (IPS_ADAPTER) + 4231 sizeof (IPS_IO_CMD), ha->adapt, 4232 ha->adapt->hw_status_start); 4233 ha->adapt = NULL; 4234 } 4235 4236 if (ha->logical_drive_info) { 4237 dma_free_coherent(&ha->pcidev->dev, 4238 sizeof (IPS_LD_INFO), 4239 ha->logical_drive_info, 4240 ha->logical_drive_info_dma_addr); 4241 ha->logical_drive_info = NULL; 4242 } 4243 4244 kfree(ha->nvram); 4245 ha->nvram = NULL; 4246 4247 kfree(ha->subsys); 4248 ha->subsys = NULL; 4249 4250 if (ha->ioctl_data) { 4251 dma_free_coherent(&ha->pcidev->dev, ha->ioctl_len, 4252 ha->ioctl_data, ha->ioctl_busaddr); 4253 ha->ioctl_data = NULL; 4254 ha->ioctl_datasize = 0; 4255 ha->ioctl_len = 0; 4256 } 4257 ips_deallocatescbs(ha, ha->max_cmds); 4258 4259 /* free memory mapped (if applicable) */ 4260 if (ha->mem_ptr) { 4261 iounmap(ha->ioremap_ptr); 4262 ha->ioremap_ptr = NULL; 4263 ha->mem_ptr = NULL; 4264 } 4265 4266 ha->mem_addr = 0; 4267 4268 } 4269 } 4270 4271 /****************************************************************************/ 4272 /* */ 4273 /* Routine Name: ips_deallocatescbs */ 4274 /* */ 4275 /* Routine Description: */ 4276 /* */ 4277 /* Free the command blocks */ 4278 /* */ 4279 /****************************************************************************/ 4280 static int 4281 ips_deallocatescbs(ips_ha_t * ha, int cmds) 4282 { 4283 if (ha->scbs) { 4284 dma_free_coherent(&ha->pcidev->dev, 4285 IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * cmds, 4286 ha->scbs->sg_list.list, 4287 ha->scbs->sg_busaddr); 4288 dma_free_coherent(&ha->pcidev->dev, sizeof (ips_scb_t) * cmds, 4289 ha->scbs, ha->scbs->scb_busaddr); 4290 ha->scbs = NULL; 4291 } /* end if */ 4292 return 1; 4293 } 4294 4295 /****************************************************************************/ 4296 /* */ 4297 /* Routine Name: ips_allocatescbs */ 4298 /* */ 4299 /* Routine Description: */ 4300 /* */ 4301 /* Allocate the command blocks */ 4302 /* */ 4303 /****************************************************************************/ 4304 static int 4305 ips_allocatescbs(ips_ha_t * ha) 4306 { 4307 ips_scb_t *scb_p; 4308 IPS_SG_LIST ips_sg; 4309 int i; 4310 dma_addr_t command_dma, sg_dma; 4311 4312 METHOD_TRACE("ips_allocatescbs", 1); 4313 4314 /* Allocate memory for the SCBs */ 4315 ha->scbs = dma_alloc_coherent(&ha->pcidev->dev, 4316 ha->max_cmds * sizeof (ips_scb_t), 4317 &command_dma, GFP_KERNEL); 4318 if (ha->scbs == NULL) 4319 return 0; 4320 ips_sg.list = dma_alloc_coherent(&ha->pcidev->dev, 4321 IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * ha->max_cmds, 4322 &sg_dma, GFP_KERNEL); 4323 if (ips_sg.list == NULL) { 4324 dma_free_coherent(&ha->pcidev->dev, 4325 ha->max_cmds * sizeof (ips_scb_t), ha->scbs, 4326 command_dma); 4327 return 0; 4328 } 4329 4330 memset(ha->scbs, 0, ha->max_cmds * sizeof (ips_scb_t)); 4331 4332 for (i = 0; i < ha->max_cmds; i++) { 4333 scb_p = &ha->scbs[i]; 4334 scb_p->scb_busaddr = command_dma + sizeof (ips_scb_t) * i; 4335 /* set up S/G list */ 4336 if (IPS_USE_ENH_SGLIST(ha)) { 4337 scb_p->sg_list.enh_list = 4338 ips_sg.enh_list + i * IPS_MAX_SG; 4339 scb_p->sg_busaddr = 4340 sg_dma + IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * i; 4341 } else { 4342 scb_p->sg_list.std_list = 4343 ips_sg.std_list + i * IPS_MAX_SG; 4344 scb_p->sg_busaddr = 4345 sg_dma + IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * i; 4346 } 4347 4348 /* add to the free list */ 4349 if (i < ha->max_cmds - 1) { 4350 scb_p->q_next = ha->scb_freelist; 4351 ha->scb_freelist = scb_p; 4352 } 4353 } 4354 4355 /* success */ 4356 return (1); 4357 } 4358 4359 /****************************************************************************/ 4360 /* */ 4361 /* Routine Name: ips_init_scb */ 4362 /* */ 4363 /* Routine Description: */ 4364 /* */ 4365 /* Initialize a CCB to default values */ 4366 /* */ 4367 /****************************************************************************/ 4368 static void 4369 ips_init_scb(ips_ha_t * ha, ips_scb_t * scb) 4370 { 4371 IPS_SG_LIST sg_list; 4372 uint32_t cmd_busaddr, sg_busaddr; 4373 METHOD_TRACE("ips_init_scb", 1); 4374 4375 if (scb == NULL) 4376 return; 4377 4378 sg_list.list = scb->sg_list.list; 4379 cmd_busaddr = scb->scb_busaddr; 4380 sg_busaddr = scb->sg_busaddr; 4381 /* zero fill */ 4382 memset(scb, 0, sizeof (ips_scb_t)); 4383 memset(ha->dummy, 0, sizeof (IPS_IO_CMD)); 4384 4385 /* Initialize dummy command bucket */ 4386 ha->dummy->op_code = 0xFF; 4387 ha->dummy->ccsar = cpu_to_le32(ha->adapt->hw_status_start 4388 + sizeof (IPS_ADAPTER)); 4389 ha->dummy->command_id = IPS_MAX_CMDS; 4390 4391 /* set bus address of scb */ 4392 scb->scb_busaddr = cmd_busaddr; 4393 scb->sg_busaddr = sg_busaddr; 4394 scb->sg_list.list = sg_list.list; 4395 4396 /* Neptune Fix */ 4397 scb->cmd.basic_io.cccr = cpu_to_le32((uint32_t) IPS_BIT_ILE); 4398 scb->cmd.basic_io.ccsar = cpu_to_le32(ha->adapt->hw_status_start 4399 + sizeof (IPS_ADAPTER)); 4400 } 4401 4402 /****************************************************************************/ 4403 /* */ 4404 /* Routine Name: ips_get_scb */ 4405 /* */ 4406 /* Routine Description: */ 4407 /* */ 4408 /* Initialize a CCB to default values */ 4409 /* */ 4410 /* ASSUMED to be called from within a lock */ 4411 /* */ 4412 /****************************************************************************/ 4413 static ips_scb_t * 4414 ips_getscb(ips_ha_t * ha) 4415 { 4416 ips_scb_t *scb; 4417 4418 METHOD_TRACE("ips_getscb", 1); 4419 4420 if ((scb = ha->scb_freelist) == NULL) { 4421 4422 return (NULL); 4423 } 4424 4425 ha->scb_freelist = scb->q_next; 4426 scb->flags = 0; 4427 scb->q_next = NULL; 4428 4429 ips_init_scb(ha, scb); 4430 4431 return (scb); 4432 } 4433 4434 /****************************************************************************/ 4435 /* */ 4436 /* Routine Name: ips_free_scb */ 4437 /* */ 4438 /* Routine Description: */ 4439 /* */ 4440 /* Return an unused CCB back to the free list */ 4441 /* */ 4442 /* ASSUMED to be called from within a lock */ 4443 /* */ 4444 /****************************************************************************/ 4445 static void 4446 ips_freescb(ips_ha_t * ha, ips_scb_t * scb) 4447 { 4448 4449 METHOD_TRACE("ips_freescb", 1); 4450 if (scb->flags & IPS_SCB_MAP_SG) 4451 scsi_dma_unmap(scb->scsi_cmd); 4452 else if (scb->flags & IPS_SCB_MAP_SINGLE) 4453 dma_unmap_single(&ha->pcidev->dev, scb->data_busaddr, 4454 scb->data_len, IPS_DMA_DIR(scb)); 4455 4456 /* check to make sure this is not our "special" scb */ 4457 if (IPS_COMMAND_ID(ha, scb) < (ha->max_cmds - 1)) { 4458 scb->q_next = ha->scb_freelist; 4459 ha->scb_freelist = scb; 4460 } 4461 } 4462 4463 /****************************************************************************/ 4464 /* */ 4465 /* Routine Name: ips_isinit_copperhead */ 4466 /* */ 4467 /* Routine Description: */ 4468 /* */ 4469 /* Is controller initialized ? */ 4470 /* */ 4471 /****************************************************************************/ 4472 static int 4473 ips_isinit_copperhead(ips_ha_t * ha) 4474 { 4475 uint8_t scpr; 4476 uint8_t isr; 4477 4478 METHOD_TRACE("ips_isinit_copperhead", 1); 4479 4480 isr = inb(ha->io_addr + IPS_REG_HISR); 4481 scpr = inb(ha->io_addr + IPS_REG_SCPR); 4482 4483 if (((isr & IPS_BIT_EI) == 0) && ((scpr & IPS_BIT_EBM) == 0)) 4484 return (0); 4485 else 4486 return (1); 4487 } 4488 4489 /****************************************************************************/ 4490 /* */ 4491 /* Routine Name: ips_isinit_copperhead_memio */ 4492 /* */ 4493 /* Routine Description: */ 4494 /* */ 4495 /* Is controller initialized ? */ 4496 /* */ 4497 /****************************************************************************/ 4498 static int 4499 ips_isinit_copperhead_memio(ips_ha_t * ha) 4500 { 4501 uint8_t isr = 0; 4502 uint8_t scpr; 4503 4504 METHOD_TRACE("ips_is_init_copperhead_memio", 1); 4505 4506 isr = readb(ha->mem_ptr + IPS_REG_HISR); 4507 scpr = readb(ha->mem_ptr + IPS_REG_SCPR); 4508 4509 if (((isr & IPS_BIT_EI) == 0) && ((scpr & IPS_BIT_EBM) == 0)) 4510 return (0); 4511 else 4512 return (1); 4513 } 4514 4515 /****************************************************************************/ 4516 /* */ 4517 /* Routine Name: ips_isinit_morpheus */ 4518 /* */ 4519 /* Routine Description: */ 4520 /* */ 4521 /* Is controller initialized ? */ 4522 /* */ 4523 /****************************************************************************/ 4524 static int 4525 ips_isinit_morpheus(ips_ha_t * ha) 4526 { 4527 uint32_t post; 4528 uint32_t bits; 4529 4530 METHOD_TRACE("ips_is_init_morpheus", 1); 4531 4532 if (ips_isintr_morpheus(ha)) 4533 ips_flush_and_reset(ha); 4534 4535 post = readl(ha->mem_ptr + IPS_REG_I960_MSG0); 4536 bits = readl(ha->mem_ptr + IPS_REG_I2O_HIR); 4537 4538 if (post == 0) 4539 return (0); 4540 else if (bits & 0x3) 4541 return (0); 4542 else 4543 return (1); 4544 } 4545 4546 /****************************************************************************/ 4547 /* */ 4548 /* Routine Name: ips_flush_and_reset */ 4549 /* */ 4550 /* Routine Description: */ 4551 /* */ 4552 /* Perform cleanup ( FLUSH and RESET ) when the adapter is in an unknown */ 4553 /* state ( was trying to INIT and an interrupt was already pending ) ... */ 4554 /* */ 4555 /****************************************************************************/ 4556 static void 4557 ips_flush_and_reset(ips_ha_t *ha) 4558 { 4559 ips_scb_t *scb; 4560 int ret; 4561 int time; 4562 int done; 4563 dma_addr_t command_dma; 4564 4565 /* Create a usuable SCB */ 4566 scb = dma_alloc_coherent(&ha->pcidev->dev, sizeof(ips_scb_t), 4567 &command_dma, GFP_KERNEL); 4568 if (scb) { 4569 memset(scb, 0, sizeof(ips_scb_t)); 4570 ips_init_scb(ha, scb); 4571 scb->scb_busaddr = command_dma; 4572 4573 scb->timeout = ips_cmd_timeout; 4574 scb->cdb[0] = IPS_CMD_FLUSH; 4575 4576 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH; 4577 scb->cmd.flush_cache.command_id = IPS_MAX_CMDS; /* Use an ID that would otherwise not exist */ 4578 scb->cmd.flush_cache.state = IPS_NORM_STATE; 4579 scb->cmd.flush_cache.reserved = 0; 4580 scb->cmd.flush_cache.reserved2 = 0; 4581 scb->cmd.flush_cache.reserved3 = 0; 4582 scb->cmd.flush_cache.reserved4 = 0; 4583 4584 ret = ips_send_cmd(ha, scb); /* Send the Flush Command */ 4585 4586 if (ret == IPS_SUCCESS) { 4587 time = 60 * IPS_ONE_SEC; /* Max Wait time is 60 seconds */ 4588 done = 0; 4589 4590 while ((time > 0) && (!done)) { 4591 done = ips_poll_for_flush_complete(ha); 4592 /* This may look evil, but it's only done during extremely rare start-up conditions ! */ 4593 udelay(1000); 4594 time--; 4595 } 4596 } 4597 } 4598 4599 /* Now RESET and INIT the adapter */ 4600 (*ha->func.reset) (ha); 4601 4602 dma_free_coherent(&ha->pcidev->dev, sizeof(ips_scb_t), scb, command_dma); 4603 return; 4604 } 4605 4606 /****************************************************************************/ 4607 /* */ 4608 /* Routine Name: ips_poll_for_flush_complete */ 4609 /* */ 4610 /* Routine Description: */ 4611 /* */ 4612 /* Poll for the Flush Command issued by ips_flush_and_reset() to complete */ 4613 /* All other responses are just taken off the queue and ignored */ 4614 /* */ 4615 /****************************************************************************/ 4616 static int 4617 ips_poll_for_flush_complete(ips_ha_t * ha) 4618 { 4619 IPS_STATUS cstatus; 4620 4621 while (TRUE) { 4622 cstatus.value = (*ha->func.statupd) (ha); 4623 4624 if (cstatus.value == 0xffffffff) /* If No Interrupt to process */ 4625 break; 4626 4627 /* Success is when we see the Flush Command ID */ 4628 if (cstatus.fields.command_id == IPS_MAX_CMDS) 4629 return 1; 4630 } 4631 4632 return 0; 4633 } 4634 4635 /****************************************************************************/ 4636 /* */ 4637 /* Routine Name: ips_enable_int_copperhead */ 4638 /* */ 4639 /* Routine Description: */ 4640 /* Turn on interrupts */ 4641 /* */ 4642 /****************************************************************************/ 4643 static void 4644 ips_enable_int_copperhead(ips_ha_t * ha) 4645 { 4646 METHOD_TRACE("ips_enable_int_copperhead", 1); 4647 4648 outb(ha->io_addr + IPS_REG_HISR, IPS_BIT_EI); 4649 inb(ha->io_addr + IPS_REG_HISR); /*Ensure PCI Posting Completes*/ 4650 } 4651 4652 /****************************************************************************/ 4653 /* */ 4654 /* Routine Name: ips_enable_int_copperhead_memio */ 4655 /* */ 4656 /* Routine Description: */ 4657 /* Turn on interrupts */ 4658 /* */ 4659 /****************************************************************************/ 4660 static void 4661 ips_enable_int_copperhead_memio(ips_ha_t * ha) 4662 { 4663 METHOD_TRACE("ips_enable_int_copperhead_memio", 1); 4664 4665 writeb(IPS_BIT_EI, ha->mem_ptr + IPS_REG_HISR); 4666 readb(ha->mem_ptr + IPS_REG_HISR); /*Ensure PCI Posting Completes*/ 4667 } 4668 4669 /****************************************************************************/ 4670 /* */ 4671 /* Routine Name: ips_enable_int_morpheus */ 4672 /* */ 4673 /* Routine Description: */ 4674 /* Turn on interrupts */ 4675 /* */ 4676 /****************************************************************************/ 4677 static void 4678 ips_enable_int_morpheus(ips_ha_t * ha) 4679 { 4680 uint32_t Oimr; 4681 4682 METHOD_TRACE("ips_enable_int_morpheus", 1); 4683 4684 Oimr = readl(ha->mem_ptr + IPS_REG_I960_OIMR); 4685 Oimr &= ~0x08; 4686 writel(Oimr, ha->mem_ptr + IPS_REG_I960_OIMR); 4687 readl(ha->mem_ptr + IPS_REG_I960_OIMR); /*Ensure PCI Posting Completes*/ 4688 } 4689 4690 /****************************************************************************/ 4691 /* */ 4692 /* Routine Name: ips_init_copperhead */ 4693 /* */ 4694 /* Routine Description: */ 4695 /* */ 4696 /* Initialize a copperhead controller */ 4697 /* */ 4698 /****************************************************************************/ 4699 static int 4700 ips_init_copperhead(ips_ha_t * ha) 4701 { 4702 uint8_t Isr; 4703 uint8_t Cbsp; 4704 uint8_t PostByte[IPS_MAX_POST_BYTES]; 4705 int i, j; 4706 4707 METHOD_TRACE("ips_init_copperhead", 1); 4708 4709 for (i = 0; i < IPS_MAX_POST_BYTES; i++) { 4710 for (j = 0; j < 45; j++) { 4711 Isr = inb(ha->io_addr + IPS_REG_HISR); 4712 if (Isr & IPS_BIT_GHI) 4713 break; 4714 4715 /* Delay for 1 Second */ 4716 MDELAY(IPS_ONE_SEC); 4717 } 4718 4719 if (j >= 45) 4720 /* error occurred */ 4721 return (0); 4722 4723 PostByte[i] = inb(ha->io_addr + IPS_REG_ISPR); 4724 outb(Isr, ha->io_addr + IPS_REG_HISR); 4725 } 4726 4727 if (PostByte[0] < IPS_GOOD_POST_STATUS) { 4728 IPS_PRINTK(KERN_WARNING, ha->pcidev, 4729 "reset controller fails (post status %x %x).\n", 4730 PostByte[0], PostByte[1]); 4731 4732 return (0); 4733 } 4734 4735 for (i = 0; i < IPS_MAX_CONFIG_BYTES; i++) { 4736 for (j = 0; j < 240; j++) { 4737 Isr = inb(ha->io_addr + IPS_REG_HISR); 4738 if (Isr & IPS_BIT_GHI) 4739 break; 4740 4741 /* Delay for 1 Second */ 4742 MDELAY(IPS_ONE_SEC); 4743 } 4744 4745 if (j >= 240) 4746 /* error occurred */ 4747 return (0); 4748 4749 inb(ha->io_addr + IPS_REG_ISPR); 4750 outb(Isr, ha->io_addr + IPS_REG_HISR); 4751 } 4752 4753 for (i = 0; i < 240; i++) { 4754 Cbsp = inb(ha->io_addr + IPS_REG_CBSP); 4755 4756 if ((Cbsp & IPS_BIT_OP) == 0) 4757 break; 4758 4759 /* Delay for 1 Second */ 4760 MDELAY(IPS_ONE_SEC); 4761 } 4762 4763 if (i >= 240) 4764 /* reset failed */ 4765 return (0); 4766 4767 /* setup CCCR */ 4768 outl(0x1010, ha->io_addr + IPS_REG_CCCR); 4769 4770 /* Enable busmastering */ 4771 outb(IPS_BIT_EBM, ha->io_addr + IPS_REG_SCPR); 4772 4773 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 4774 /* fix for anaconda64 */ 4775 outl(0, ha->io_addr + IPS_REG_NDAE); 4776 4777 /* Enable interrupts */ 4778 outb(IPS_BIT_EI, ha->io_addr + IPS_REG_HISR); 4779 4780 return (1); 4781 } 4782 4783 /****************************************************************************/ 4784 /* */ 4785 /* Routine Name: ips_init_copperhead_memio */ 4786 /* */ 4787 /* Routine Description: */ 4788 /* */ 4789 /* Initialize a copperhead controller with memory mapped I/O */ 4790 /* */ 4791 /****************************************************************************/ 4792 static int 4793 ips_init_copperhead_memio(ips_ha_t * ha) 4794 { 4795 uint8_t Isr = 0; 4796 uint8_t Cbsp; 4797 uint8_t PostByte[IPS_MAX_POST_BYTES]; 4798 int i, j; 4799 4800 METHOD_TRACE("ips_init_copperhead_memio", 1); 4801 4802 for (i = 0; i < IPS_MAX_POST_BYTES; i++) { 4803 for (j = 0; j < 45; j++) { 4804 Isr = readb(ha->mem_ptr + IPS_REG_HISR); 4805 if (Isr & IPS_BIT_GHI) 4806 break; 4807 4808 /* Delay for 1 Second */ 4809 MDELAY(IPS_ONE_SEC); 4810 } 4811 4812 if (j >= 45) 4813 /* error occurred */ 4814 return (0); 4815 4816 PostByte[i] = readb(ha->mem_ptr + IPS_REG_ISPR); 4817 writeb(Isr, ha->mem_ptr + IPS_REG_HISR); 4818 } 4819 4820 if (PostByte[0] < IPS_GOOD_POST_STATUS) { 4821 IPS_PRINTK(KERN_WARNING, ha->pcidev, 4822 "reset controller fails (post status %x %x).\n", 4823 PostByte[0], PostByte[1]); 4824 4825 return (0); 4826 } 4827 4828 for (i = 0; i < IPS_MAX_CONFIG_BYTES; i++) { 4829 for (j = 0; j < 240; j++) { 4830 Isr = readb(ha->mem_ptr + IPS_REG_HISR); 4831 if (Isr & IPS_BIT_GHI) 4832 break; 4833 4834 /* Delay for 1 Second */ 4835 MDELAY(IPS_ONE_SEC); 4836 } 4837 4838 if (j >= 240) 4839 /* error occurred */ 4840 return (0); 4841 4842 readb(ha->mem_ptr + IPS_REG_ISPR); 4843 writeb(Isr, ha->mem_ptr + IPS_REG_HISR); 4844 } 4845 4846 for (i = 0; i < 240; i++) { 4847 Cbsp = readb(ha->mem_ptr + IPS_REG_CBSP); 4848 4849 if ((Cbsp & IPS_BIT_OP) == 0) 4850 break; 4851 4852 /* Delay for 1 Second */ 4853 MDELAY(IPS_ONE_SEC); 4854 } 4855 4856 if (i >= 240) 4857 /* error occurred */ 4858 return (0); 4859 4860 /* setup CCCR */ 4861 writel(0x1010, ha->mem_ptr + IPS_REG_CCCR); 4862 4863 /* Enable busmastering */ 4864 writeb(IPS_BIT_EBM, ha->mem_ptr + IPS_REG_SCPR); 4865 4866 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 4867 /* fix for anaconda64 */ 4868 writel(0, ha->mem_ptr + IPS_REG_NDAE); 4869 4870 /* Enable interrupts */ 4871 writeb(IPS_BIT_EI, ha->mem_ptr + IPS_REG_HISR); 4872 4873 /* if we get here then everything went OK */ 4874 return (1); 4875 } 4876 4877 /****************************************************************************/ 4878 /* */ 4879 /* Routine Name: ips_init_morpheus */ 4880 /* */ 4881 /* Routine Description: */ 4882 /* */ 4883 /* Initialize a morpheus controller */ 4884 /* */ 4885 /****************************************************************************/ 4886 static int 4887 ips_init_morpheus(ips_ha_t * ha) 4888 { 4889 uint32_t Post; 4890 uint32_t Config; 4891 uint32_t Isr; 4892 uint32_t Oimr; 4893 int i; 4894 4895 METHOD_TRACE("ips_init_morpheus", 1); 4896 4897 /* Wait up to 45 secs for Post */ 4898 for (i = 0; i < 45; i++) { 4899 Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR); 4900 4901 if (Isr & IPS_BIT_I960_MSG0I) 4902 break; 4903 4904 /* Delay for 1 Second */ 4905 MDELAY(IPS_ONE_SEC); 4906 } 4907 4908 if (i >= 45) { 4909 /* error occurred */ 4910 IPS_PRINTK(KERN_WARNING, ha->pcidev, 4911 "timeout waiting for post.\n"); 4912 4913 return (0); 4914 } 4915 4916 Post = readl(ha->mem_ptr + IPS_REG_I960_MSG0); 4917 4918 if (Post == 0x4F00) { /* If Flashing the Battery PIC */ 4919 IPS_PRINTK(KERN_WARNING, ha->pcidev, 4920 "Flashing Battery PIC, Please wait ...\n"); 4921 4922 /* Clear the interrupt bit */ 4923 Isr = (uint32_t) IPS_BIT_I960_MSG0I; 4924 writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR); 4925 4926 for (i = 0; i < 120; i++) { /* Wait Up to 2 Min. for Completion */ 4927 Post = readl(ha->mem_ptr + IPS_REG_I960_MSG0); 4928 if (Post != 0x4F00) 4929 break; 4930 /* Delay for 1 Second */ 4931 MDELAY(IPS_ONE_SEC); 4932 } 4933 4934 if (i >= 120) { 4935 IPS_PRINTK(KERN_WARNING, ha->pcidev, 4936 "timeout waiting for Battery PIC Flash\n"); 4937 return (0); 4938 } 4939 4940 } 4941 4942 /* Clear the interrupt bit */ 4943 Isr = (uint32_t) IPS_BIT_I960_MSG0I; 4944 writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR); 4945 4946 if (Post < (IPS_GOOD_POST_STATUS << 8)) { 4947 IPS_PRINTK(KERN_WARNING, ha->pcidev, 4948 "reset controller fails (post status %x).\n", Post); 4949 4950 return (0); 4951 } 4952 4953 /* Wait up to 240 secs for config bytes */ 4954 for (i = 0; i < 240; i++) { 4955 Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR); 4956 4957 if (Isr & IPS_BIT_I960_MSG1I) 4958 break; 4959 4960 /* Delay for 1 Second */ 4961 MDELAY(IPS_ONE_SEC); 4962 } 4963 4964 if (i >= 240) { 4965 /* error occurred */ 4966 IPS_PRINTK(KERN_WARNING, ha->pcidev, 4967 "timeout waiting for config.\n"); 4968 4969 return (0); 4970 } 4971 4972 Config = readl(ha->mem_ptr + IPS_REG_I960_MSG1); 4973 4974 /* Clear interrupt bit */ 4975 Isr = (uint32_t) IPS_BIT_I960_MSG1I; 4976 writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR); 4977 4978 /* Turn on the interrupts */ 4979 Oimr = readl(ha->mem_ptr + IPS_REG_I960_OIMR); 4980 Oimr &= ~0x8; 4981 writel(Oimr, ha->mem_ptr + IPS_REG_I960_OIMR); 4982 4983 /* if we get here then everything went OK */ 4984 4985 /* Since we did a RESET, an EraseStripeLock may be needed */ 4986 if (Post == 0xEF10) { 4987 if ((Config == 0x000F) || (Config == 0x0009)) 4988 ha->requires_esl = 1; 4989 } 4990 4991 return (1); 4992 } 4993 4994 /****************************************************************************/ 4995 /* */ 4996 /* Routine Name: ips_reset_copperhead */ 4997 /* */ 4998 /* Routine Description: */ 4999 /* */ 5000 /* Reset the controller */ 5001 /* */ 5002 /****************************************************************************/ 5003 static int 5004 ips_reset_copperhead(ips_ha_t * ha) 5005 { 5006 int reset_counter; 5007 5008 METHOD_TRACE("ips_reset_copperhead", 1); 5009 5010 DEBUG_VAR(1, "(%s%d) ips_reset_copperhead: io addr: %x, irq: %d", 5011 ips_name, ha->host_num, ha->io_addr, ha->pcidev->irq); 5012 5013 reset_counter = 0; 5014 5015 while (reset_counter < 2) { 5016 reset_counter++; 5017 5018 outb(IPS_BIT_RST, ha->io_addr + IPS_REG_SCPR); 5019 5020 /* Delay for 1 Second */ 5021 MDELAY(IPS_ONE_SEC); 5022 5023 outb(0, ha->io_addr + IPS_REG_SCPR); 5024 5025 /* Delay for 1 Second */ 5026 MDELAY(IPS_ONE_SEC); 5027 5028 if ((*ha->func.init) (ha)) 5029 break; 5030 else if (reset_counter >= 2) { 5031 5032 return (0); 5033 } 5034 } 5035 5036 return (1); 5037 } 5038 5039 /****************************************************************************/ 5040 /* */ 5041 /* Routine Name: ips_reset_copperhead_memio */ 5042 /* */ 5043 /* Routine Description: */ 5044 /* */ 5045 /* Reset the controller */ 5046 /* */ 5047 /****************************************************************************/ 5048 static int 5049 ips_reset_copperhead_memio(ips_ha_t * ha) 5050 { 5051 int reset_counter; 5052 5053 METHOD_TRACE("ips_reset_copperhead_memio", 1); 5054 5055 DEBUG_VAR(1, "(%s%d) ips_reset_copperhead_memio: mem addr: %x, irq: %d", 5056 ips_name, ha->host_num, ha->mem_addr, ha->pcidev->irq); 5057 5058 reset_counter = 0; 5059 5060 while (reset_counter < 2) { 5061 reset_counter++; 5062 5063 writeb(IPS_BIT_RST, ha->mem_ptr + IPS_REG_SCPR); 5064 5065 /* Delay for 1 Second */ 5066 MDELAY(IPS_ONE_SEC); 5067 5068 writeb(0, ha->mem_ptr + IPS_REG_SCPR); 5069 5070 /* Delay for 1 Second */ 5071 MDELAY(IPS_ONE_SEC); 5072 5073 if ((*ha->func.init) (ha)) 5074 break; 5075 else if (reset_counter >= 2) { 5076 5077 return (0); 5078 } 5079 } 5080 5081 return (1); 5082 } 5083 5084 /****************************************************************************/ 5085 /* */ 5086 /* Routine Name: ips_reset_morpheus */ 5087 /* */ 5088 /* Routine Description: */ 5089 /* */ 5090 /* Reset the controller */ 5091 /* */ 5092 /****************************************************************************/ 5093 static int 5094 ips_reset_morpheus(ips_ha_t * ha) 5095 { 5096 int reset_counter; 5097 uint8_t junk; 5098 5099 METHOD_TRACE("ips_reset_morpheus", 1); 5100 5101 DEBUG_VAR(1, "(%s%d) ips_reset_morpheus: mem addr: %x, irq: %d", 5102 ips_name, ha->host_num, ha->mem_addr, ha->pcidev->irq); 5103 5104 reset_counter = 0; 5105 5106 while (reset_counter < 2) { 5107 reset_counter++; 5108 5109 writel(0x80000000, ha->mem_ptr + IPS_REG_I960_IDR); 5110 5111 /* Delay for 5 Seconds */ 5112 MDELAY(5 * IPS_ONE_SEC); 5113 5114 /* Do a PCI config read to wait for adapter */ 5115 pci_read_config_byte(ha->pcidev, 4, &junk); 5116 5117 if ((*ha->func.init) (ha)) 5118 break; 5119 else if (reset_counter >= 2) { 5120 5121 return (0); 5122 } 5123 } 5124 5125 return (1); 5126 } 5127 5128 /****************************************************************************/ 5129 /* */ 5130 /* Routine Name: ips_statinit */ 5131 /* */ 5132 /* Routine Description: */ 5133 /* */ 5134 /* Initialize the status queues on the controller */ 5135 /* */ 5136 /****************************************************************************/ 5137 static void 5138 ips_statinit(ips_ha_t * ha) 5139 { 5140 uint32_t phys_status_start; 5141 5142 METHOD_TRACE("ips_statinit", 1); 5143 5144 ha->adapt->p_status_start = ha->adapt->status; 5145 ha->adapt->p_status_end = ha->adapt->status + IPS_MAX_CMDS; 5146 ha->adapt->p_status_tail = ha->adapt->status; 5147 5148 phys_status_start = ha->adapt->hw_status_start; 5149 outl(phys_status_start, ha->io_addr + IPS_REG_SQSR); 5150 outl(phys_status_start + IPS_STATUS_Q_SIZE, 5151 ha->io_addr + IPS_REG_SQER); 5152 outl(phys_status_start + IPS_STATUS_SIZE, 5153 ha->io_addr + IPS_REG_SQHR); 5154 outl(phys_status_start, ha->io_addr + IPS_REG_SQTR); 5155 5156 ha->adapt->hw_status_tail = phys_status_start; 5157 } 5158 5159 /****************************************************************************/ 5160 /* */ 5161 /* Routine Name: ips_statinit_memio */ 5162 /* */ 5163 /* Routine Description: */ 5164 /* */ 5165 /* Initialize the status queues on the controller */ 5166 /* */ 5167 /****************************************************************************/ 5168 static void 5169 ips_statinit_memio(ips_ha_t * ha) 5170 { 5171 uint32_t phys_status_start; 5172 5173 METHOD_TRACE("ips_statinit_memio", 1); 5174 5175 ha->adapt->p_status_start = ha->adapt->status; 5176 ha->adapt->p_status_end = ha->adapt->status + IPS_MAX_CMDS; 5177 ha->adapt->p_status_tail = ha->adapt->status; 5178 5179 phys_status_start = ha->adapt->hw_status_start; 5180 writel(phys_status_start, ha->mem_ptr + IPS_REG_SQSR); 5181 writel(phys_status_start + IPS_STATUS_Q_SIZE, 5182 ha->mem_ptr + IPS_REG_SQER); 5183 writel(phys_status_start + IPS_STATUS_SIZE, ha->mem_ptr + IPS_REG_SQHR); 5184 writel(phys_status_start, ha->mem_ptr + IPS_REG_SQTR); 5185 5186 ha->adapt->hw_status_tail = phys_status_start; 5187 } 5188 5189 /****************************************************************************/ 5190 /* */ 5191 /* Routine Name: ips_statupd_copperhead */ 5192 /* */ 5193 /* Routine Description: */ 5194 /* */ 5195 /* Remove an element from the status queue */ 5196 /* */ 5197 /****************************************************************************/ 5198 static uint32_t 5199 ips_statupd_copperhead(ips_ha_t * ha) 5200 { 5201 METHOD_TRACE("ips_statupd_copperhead", 1); 5202 5203 if (ha->adapt->p_status_tail != ha->adapt->p_status_end) { 5204 ha->adapt->p_status_tail++; 5205 ha->adapt->hw_status_tail += sizeof (IPS_STATUS); 5206 } else { 5207 ha->adapt->p_status_tail = ha->adapt->p_status_start; 5208 ha->adapt->hw_status_tail = ha->adapt->hw_status_start; 5209 } 5210 5211 outl(ha->adapt->hw_status_tail, 5212 ha->io_addr + IPS_REG_SQTR); 5213 5214 return (ha->adapt->p_status_tail->value); 5215 } 5216 5217 /****************************************************************************/ 5218 /* */ 5219 /* Routine Name: ips_statupd_copperhead_memio */ 5220 /* */ 5221 /* Routine Description: */ 5222 /* */ 5223 /* Remove an element from the status queue */ 5224 /* */ 5225 /****************************************************************************/ 5226 static uint32_t 5227 ips_statupd_copperhead_memio(ips_ha_t * ha) 5228 { 5229 METHOD_TRACE("ips_statupd_copperhead_memio", 1); 5230 5231 if (ha->adapt->p_status_tail != ha->adapt->p_status_end) { 5232 ha->adapt->p_status_tail++; 5233 ha->adapt->hw_status_tail += sizeof (IPS_STATUS); 5234 } else { 5235 ha->adapt->p_status_tail = ha->adapt->p_status_start; 5236 ha->adapt->hw_status_tail = ha->adapt->hw_status_start; 5237 } 5238 5239 writel(ha->adapt->hw_status_tail, ha->mem_ptr + IPS_REG_SQTR); 5240 5241 return (ha->adapt->p_status_tail->value); 5242 } 5243 5244 /****************************************************************************/ 5245 /* */ 5246 /* Routine Name: ips_statupd_morpheus */ 5247 /* */ 5248 /* Routine Description: */ 5249 /* */ 5250 /* Remove an element from the status queue */ 5251 /* */ 5252 /****************************************************************************/ 5253 static uint32_t 5254 ips_statupd_morpheus(ips_ha_t * ha) 5255 { 5256 uint32_t val; 5257 5258 METHOD_TRACE("ips_statupd_morpheus", 1); 5259 5260 val = readl(ha->mem_ptr + IPS_REG_I2O_OUTMSGQ); 5261 5262 return (val); 5263 } 5264 5265 /****************************************************************************/ 5266 /* */ 5267 /* Routine Name: ips_issue_copperhead */ 5268 /* */ 5269 /* Routine Description: */ 5270 /* */ 5271 /* Send a command down to the controller */ 5272 /* */ 5273 /****************************************************************************/ 5274 static int 5275 ips_issue_copperhead(ips_ha_t * ha, ips_scb_t * scb) 5276 { 5277 uint32_t TimeOut; 5278 uint32_t val; 5279 5280 METHOD_TRACE("ips_issue_copperhead", 1); 5281 5282 if (scb->scsi_cmd) { 5283 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)", 5284 ips_name, 5285 ha->host_num, 5286 scb->cdb[0], 5287 scb->cmd.basic_io.command_id, 5288 scb->bus, scb->target_id, scb->lun); 5289 } else { 5290 DEBUG_VAR(2, KERN_NOTICE "(%s%d) ips_issue: logical cmd id %d", 5291 ips_name, ha->host_num, scb->cmd.basic_io.command_id); 5292 } 5293 5294 TimeOut = 0; 5295 5296 while ((val = 5297 le32_to_cpu(inl(ha->io_addr + IPS_REG_CCCR))) & IPS_BIT_SEM) { 5298 udelay(1000); 5299 5300 if (++TimeOut >= IPS_SEM_TIMEOUT) { 5301 if (!(val & IPS_BIT_START_STOP)) 5302 break; 5303 5304 IPS_PRINTK(KERN_WARNING, ha->pcidev, 5305 "ips_issue val [0x%x].\n", val); 5306 IPS_PRINTK(KERN_WARNING, ha->pcidev, 5307 "ips_issue semaphore chk timeout.\n"); 5308 5309 return (IPS_FAILURE); 5310 } /* end if */ 5311 } /* end while */ 5312 5313 outl(scb->scb_busaddr, ha->io_addr + IPS_REG_CCSAR); 5314 outw(IPS_BIT_START_CMD, ha->io_addr + IPS_REG_CCCR); 5315 5316 return (IPS_SUCCESS); 5317 } 5318 5319 /****************************************************************************/ 5320 /* */ 5321 /* Routine Name: ips_issue_copperhead_memio */ 5322 /* */ 5323 /* Routine Description: */ 5324 /* */ 5325 /* Send a command down to the controller */ 5326 /* */ 5327 /****************************************************************************/ 5328 static int 5329 ips_issue_copperhead_memio(ips_ha_t * ha, ips_scb_t * scb) 5330 { 5331 uint32_t TimeOut; 5332 uint32_t val; 5333 5334 METHOD_TRACE("ips_issue_copperhead_memio", 1); 5335 5336 if (scb->scsi_cmd) { 5337 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)", 5338 ips_name, 5339 ha->host_num, 5340 scb->cdb[0], 5341 scb->cmd.basic_io.command_id, 5342 scb->bus, scb->target_id, scb->lun); 5343 } else { 5344 DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d", 5345 ips_name, ha->host_num, scb->cmd.basic_io.command_id); 5346 } 5347 5348 TimeOut = 0; 5349 5350 while ((val = readl(ha->mem_ptr + IPS_REG_CCCR)) & IPS_BIT_SEM) { 5351 udelay(1000); 5352 5353 if (++TimeOut >= IPS_SEM_TIMEOUT) { 5354 if (!(val & IPS_BIT_START_STOP)) 5355 break; 5356 5357 IPS_PRINTK(KERN_WARNING, ha->pcidev, 5358 "ips_issue val [0x%x].\n", val); 5359 IPS_PRINTK(KERN_WARNING, ha->pcidev, 5360 "ips_issue semaphore chk timeout.\n"); 5361 5362 return (IPS_FAILURE); 5363 } /* end if */ 5364 } /* end while */ 5365 5366 writel(scb->scb_busaddr, ha->mem_ptr + IPS_REG_CCSAR); 5367 writel(IPS_BIT_START_CMD, ha->mem_ptr + IPS_REG_CCCR); 5368 5369 return (IPS_SUCCESS); 5370 } 5371 5372 /****************************************************************************/ 5373 /* */ 5374 /* Routine Name: ips_issue_i2o */ 5375 /* */ 5376 /* Routine Description: */ 5377 /* */ 5378 /* Send a command down to the controller */ 5379 /* */ 5380 /****************************************************************************/ 5381 static int 5382 ips_issue_i2o(ips_ha_t * ha, ips_scb_t * scb) 5383 { 5384 5385 METHOD_TRACE("ips_issue_i2o", 1); 5386 5387 if (scb->scsi_cmd) { 5388 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)", 5389 ips_name, 5390 ha->host_num, 5391 scb->cdb[0], 5392 scb->cmd.basic_io.command_id, 5393 scb->bus, scb->target_id, scb->lun); 5394 } else { 5395 DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d", 5396 ips_name, ha->host_num, scb->cmd.basic_io.command_id); 5397 } 5398 5399 outl(scb->scb_busaddr, ha->io_addr + IPS_REG_I2O_INMSGQ); 5400 5401 return (IPS_SUCCESS); 5402 } 5403 5404 /****************************************************************************/ 5405 /* */ 5406 /* Routine Name: ips_issue_i2o_memio */ 5407 /* */ 5408 /* Routine Description: */ 5409 /* */ 5410 /* Send a command down to the controller */ 5411 /* */ 5412 /****************************************************************************/ 5413 static int 5414 ips_issue_i2o_memio(ips_ha_t * ha, ips_scb_t * scb) 5415 { 5416 5417 METHOD_TRACE("ips_issue_i2o_memio", 1); 5418 5419 if (scb->scsi_cmd) { 5420 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)", 5421 ips_name, 5422 ha->host_num, 5423 scb->cdb[0], 5424 scb->cmd.basic_io.command_id, 5425 scb->bus, scb->target_id, scb->lun); 5426 } else { 5427 DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d", 5428 ips_name, ha->host_num, scb->cmd.basic_io.command_id); 5429 } 5430 5431 writel(scb->scb_busaddr, ha->mem_ptr + IPS_REG_I2O_INMSGQ); 5432 5433 return (IPS_SUCCESS); 5434 } 5435 5436 /****************************************************************************/ 5437 /* */ 5438 /* Routine Name: ips_isintr_copperhead */ 5439 /* */ 5440 /* Routine Description: */ 5441 /* */ 5442 /* Test to see if an interrupt is for us */ 5443 /* */ 5444 /****************************************************************************/ 5445 static int 5446 ips_isintr_copperhead(ips_ha_t * ha) 5447 { 5448 uint8_t Isr; 5449 5450 METHOD_TRACE("ips_isintr_copperhead", 2); 5451 5452 Isr = inb(ha->io_addr + IPS_REG_HISR); 5453 5454 if (Isr == 0xFF) 5455 /* ?!?! Nothing really there */ 5456 return (0); 5457 5458 if (Isr & IPS_BIT_SCE) 5459 return (1); 5460 else if (Isr & (IPS_BIT_SQO | IPS_BIT_GHI)) { 5461 /* status queue overflow or GHI */ 5462 /* just clear the interrupt */ 5463 outb(Isr, ha->io_addr + IPS_REG_HISR); 5464 } 5465 5466 return (0); 5467 } 5468 5469 /****************************************************************************/ 5470 /* */ 5471 /* Routine Name: ips_isintr_copperhead_memio */ 5472 /* */ 5473 /* Routine Description: */ 5474 /* */ 5475 /* Test to see if an interrupt is for us */ 5476 /* */ 5477 /****************************************************************************/ 5478 static int 5479 ips_isintr_copperhead_memio(ips_ha_t * ha) 5480 { 5481 uint8_t Isr; 5482 5483 METHOD_TRACE("ips_isintr_memio", 2); 5484 5485 Isr = readb(ha->mem_ptr + IPS_REG_HISR); 5486 5487 if (Isr == 0xFF) 5488 /* ?!?! Nothing really there */ 5489 return (0); 5490 5491 if (Isr & IPS_BIT_SCE) 5492 return (1); 5493 else if (Isr & (IPS_BIT_SQO | IPS_BIT_GHI)) { 5494 /* status queue overflow or GHI */ 5495 /* just clear the interrupt */ 5496 writeb(Isr, ha->mem_ptr + IPS_REG_HISR); 5497 } 5498 5499 return (0); 5500 } 5501 5502 /****************************************************************************/ 5503 /* */ 5504 /* Routine Name: ips_isintr_morpheus */ 5505 /* */ 5506 /* Routine Description: */ 5507 /* */ 5508 /* Test to see if an interrupt is for us */ 5509 /* */ 5510 /****************************************************************************/ 5511 static int 5512 ips_isintr_morpheus(ips_ha_t * ha) 5513 { 5514 uint32_t Isr; 5515 5516 METHOD_TRACE("ips_isintr_morpheus", 2); 5517 5518 Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR); 5519 5520 if (Isr & IPS_BIT_I2O_OPQI) 5521 return (1); 5522 else 5523 return (0); 5524 } 5525 5526 /****************************************************************************/ 5527 /* */ 5528 /* Routine Name: ips_wait */ 5529 /* */ 5530 /* Routine Description: */ 5531 /* */ 5532 /* Wait for a command to complete */ 5533 /* */ 5534 /****************************************************************************/ 5535 static int 5536 ips_wait(ips_ha_t * ha, int time, int intr) 5537 { 5538 int ret; 5539 int done; 5540 5541 METHOD_TRACE("ips_wait", 1); 5542 5543 ret = IPS_FAILURE; 5544 done = FALSE; 5545 5546 time *= IPS_ONE_SEC; /* convert seconds */ 5547 5548 while ((time > 0) && (!done)) { 5549 if (intr == IPS_INTR_ON) { 5550 if (ha->waitflag == FALSE) { 5551 ret = IPS_SUCCESS; 5552 done = TRUE; 5553 break; 5554 } 5555 } else if (intr == IPS_INTR_IORL) { 5556 if (ha->waitflag == FALSE) { 5557 /* 5558 * controller generated an interrupt to 5559 * acknowledge completion of the command 5560 * and ips_intr() has serviced the interrupt. 5561 */ 5562 ret = IPS_SUCCESS; 5563 done = TRUE; 5564 break; 5565 } 5566 5567 /* 5568 * NOTE: we already have the io_request_lock so 5569 * even if we get an interrupt it won't get serviced 5570 * until after we finish. 5571 */ 5572 5573 (*ha->func.intr) (ha); 5574 } 5575 5576 /* This looks like a very evil loop, but it only does this during start-up */ 5577 udelay(1000); 5578 time--; 5579 } 5580 5581 return (ret); 5582 } 5583 5584 /****************************************************************************/ 5585 /* */ 5586 /* Routine Name: ips_write_driver_status */ 5587 /* */ 5588 /* Routine Description: */ 5589 /* */ 5590 /* Write OS/Driver version to Page 5 of the nvram on the controller */ 5591 /* */ 5592 /****************************************************************************/ 5593 static int 5594 ips_write_driver_status(ips_ha_t * ha, int intr) 5595 { 5596 METHOD_TRACE("ips_write_driver_status", 1); 5597 5598 if (!ips_readwrite_page5(ha, FALSE, intr)) { 5599 IPS_PRINTK(KERN_WARNING, ha->pcidev, 5600 "unable to read NVRAM page 5.\n"); 5601 5602 return (0); 5603 } 5604 5605 /* check to make sure the page has a valid */ 5606 /* signature */ 5607 if (le32_to_cpu(ha->nvram->signature) != IPS_NVRAM_P5_SIG) { 5608 DEBUG_VAR(1, 5609 "(%s%d) NVRAM page 5 has an invalid signature: %X.", 5610 ips_name, ha->host_num, ha->nvram->signature); 5611 ha->nvram->signature = IPS_NVRAM_P5_SIG; 5612 } 5613 5614 DEBUG_VAR(2, 5615 "(%s%d) Ad Type: %d, Ad Slot: %d, BIOS: %c%c%c%c %c%c%c%c.", 5616 ips_name, ha->host_num, le16_to_cpu(ha->nvram->adapter_type), 5617 ha->nvram->adapter_slot, ha->nvram->bios_high[0], 5618 ha->nvram->bios_high[1], ha->nvram->bios_high[2], 5619 ha->nvram->bios_high[3], ha->nvram->bios_low[0], 5620 ha->nvram->bios_low[1], ha->nvram->bios_low[2], 5621 ha->nvram->bios_low[3]); 5622 5623 ips_get_bios_version(ha, intr); 5624 5625 /* change values (as needed) */ 5626 ha->nvram->operating_system = IPS_OS_LINUX; 5627 ha->nvram->adapter_type = ha->ad_type; 5628 memcpy((char *) ha->nvram->driver_high, IPS_VERSION_HIGH, 4); 5629 memcpy((char *) ha->nvram->driver_low, IPS_VERSION_LOW, 4); 5630 memcpy((char *) ha->nvram->bios_high, ha->bios_version, 4); 5631 memcpy((char *) ha->nvram->bios_low, ha->bios_version + 4, 4); 5632 5633 ha->nvram->versioning = 0; /* Indicate the Driver Does Not Support Versioning */ 5634 5635 /* now update the page */ 5636 if (!ips_readwrite_page5(ha, TRUE, intr)) { 5637 IPS_PRINTK(KERN_WARNING, ha->pcidev, 5638 "unable to write NVRAM page 5.\n"); 5639 5640 return (0); 5641 } 5642 5643 /* IF NVRAM Page 5 is OK, Use it for Slot Number Info Because Linux Doesn't Do Slots */ 5644 ha->slot_num = ha->nvram->adapter_slot; 5645 5646 return (1); 5647 } 5648 5649 /****************************************************************************/ 5650 /* */ 5651 /* Routine Name: ips_read_adapter_status */ 5652 /* */ 5653 /* Routine Description: */ 5654 /* */ 5655 /* Do an Inquiry command to the adapter */ 5656 /* */ 5657 /****************************************************************************/ 5658 static int 5659 ips_read_adapter_status(ips_ha_t * ha, int intr) 5660 { 5661 ips_scb_t *scb; 5662 int ret; 5663 5664 METHOD_TRACE("ips_read_adapter_status", 1); 5665 5666 scb = &ha->scbs[ha->max_cmds - 1]; 5667 5668 ips_init_scb(ha, scb); 5669 5670 scb->timeout = ips_cmd_timeout; 5671 scb->cdb[0] = IPS_CMD_ENQUIRY; 5672 5673 scb->cmd.basic_io.op_code = IPS_CMD_ENQUIRY; 5674 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb); 5675 scb->cmd.basic_io.sg_count = 0; 5676 scb->cmd.basic_io.lba = 0; 5677 scb->cmd.basic_io.sector_count = 0; 5678 scb->cmd.basic_io.log_drv = 0; 5679 scb->data_len = sizeof (*ha->enq); 5680 scb->cmd.basic_io.sg_addr = ha->enq_busaddr; 5681 5682 /* send command */ 5683 if (((ret = 5684 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE) 5685 || (ret == IPS_SUCCESS_IMM) 5686 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) 5687 return (0); 5688 5689 return (1); 5690 } 5691 5692 /****************************************************************************/ 5693 /* */ 5694 /* Routine Name: ips_read_subsystem_parameters */ 5695 /* */ 5696 /* Routine Description: */ 5697 /* */ 5698 /* Read subsystem parameters from the adapter */ 5699 /* */ 5700 /****************************************************************************/ 5701 static int 5702 ips_read_subsystem_parameters(ips_ha_t * ha, int intr) 5703 { 5704 ips_scb_t *scb; 5705 int ret; 5706 5707 METHOD_TRACE("ips_read_subsystem_parameters", 1); 5708 5709 scb = &ha->scbs[ha->max_cmds - 1]; 5710 5711 ips_init_scb(ha, scb); 5712 5713 scb->timeout = ips_cmd_timeout; 5714 scb->cdb[0] = IPS_CMD_GET_SUBSYS; 5715 5716 scb->cmd.basic_io.op_code = IPS_CMD_GET_SUBSYS; 5717 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb); 5718 scb->cmd.basic_io.sg_count = 0; 5719 scb->cmd.basic_io.lba = 0; 5720 scb->cmd.basic_io.sector_count = 0; 5721 scb->cmd.basic_io.log_drv = 0; 5722 scb->data_len = sizeof (*ha->subsys); 5723 scb->cmd.basic_io.sg_addr = ha->ioctl_busaddr; 5724 5725 /* send command */ 5726 if (((ret = 5727 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE) 5728 || (ret == IPS_SUCCESS_IMM) 5729 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) 5730 return (0); 5731 5732 memcpy(ha->subsys, ha->ioctl_data, sizeof(*ha->subsys)); 5733 return (1); 5734 } 5735 5736 /****************************************************************************/ 5737 /* */ 5738 /* Routine Name: ips_read_config */ 5739 /* */ 5740 /* Routine Description: */ 5741 /* */ 5742 /* Read the configuration on the adapter */ 5743 /* */ 5744 /****************************************************************************/ 5745 static int 5746 ips_read_config(ips_ha_t * ha, int intr) 5747 { 5748 ips_scb_t *scb; 5749 int i; 5750 int ret; 5751 5752 METHOD_TRACE("ips_read_config", 1); 5753 5754 /* set defaults for initiator IDs */ 5755 for (i = 0; i < 4; i++) 5756 ha->conf->init_id[i] = 7; 5757 5758 scb = &ha->scbs[ha->max_cmds - 1]; 5759 5760 ips_init_scb(ha, scb); 5761 5762 scb->timeout = ips_cmd_timeout; 5763 scb->cdb[0] = IPS_CMD_READ_CONF; 5764 5765 scb->cmd.basic_io.op_code = IPS_CMD_READ_CONF; 5766 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb); 5767 scb->data_len = sizeof (*ha->conf); 5768 scb->cmd.basic_io.sg_addr = ha->ioctl_busaddr; 5769 5770 /* send command */ 5771 if (((ret = 5772 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE) 5773 || (ret == IPS_SUCCESS_IMM) 5774 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) { 5775 5776 memset(ha->conf, 0, sizeof (IPS_CONF)); 5777 5778 /* reset initiator IDs */ 5779 for (i = 0; i < 4; i++) 5780 ha->conf->init_id[i] = 7; 5781 5782 /* Allow Completed with Errors, so JCRM can access the Adapter to fix the problems */ 5783 if ((scb->basic_status & IPS_GSC_STATUS_MASK) == 5784 IPS_CMD_CMPLT_WERROR) 5785 return (1); 5786 5787 return (0); 5788 } 5789 5790 memcpy(ha->conf, ha->ioctl_data, sizeof(*ha->conf)); 5791 return (1); 5792 } 5793 5794 /****************************************************************************/ 5795 /* */ 5796 /* Routine Name: ips_readwrite_page5 */ 5797 /* */ 5798 /* Routine Description: */ 5799 /* */ 5800 /* Read nvram page 5 from the adapter */ 5801 /* */ 5802 /****************************************************************************/ 5803 static int 5804 ips_readwrite_page5(ips_ha_t * ha, int write, int intr) 5805 { 5806 ips_scb_t *scb; 5807 int ret; 5808 5809 METHOD_TRACE("ips_readwrite_page5", 1); 5810 5811 scb = &ha->scbs[ha->max_cmds - 1]; 5812 5813 ips_init_scb(ha, scb); 5814 5815 scb->timeout = ips_cmd_timeout; 5816 scb->cdb[0] = IPS_CMD_RW_NVRAM_PAGE; 5817 5818 scb->cmd.nvram.op_code = IPS_CMD_RW_NVRAM_PAGE; 5819 scb->cmd.nvram.command_id = IPS_COMMAND_ID(ha, scb); 5820 scb->cmd.nvram.page = 5; 5821 scb->cmd.nvram.write = write; 5822 scb->cmd.nvram.reserved = 0; 5823 scb->cmd.nvram.reserved2 = 0; 5824 scb->data_len = sizeof (*ha->nvram); 5825 scb->cmd.nvram.buffer_addr = ha->ioctl_busaddr; 5826 if (write) 5827 memcpy(ha->ioctl_data, ha->nvram, sizeof(*ha->nvram)); 5828 5829 /* issue the command */ 5830 if (((ret = 5831 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE) 5832 || (ret == IPS_SUCCESS_IMM) 5833 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) { 5834 5835 memset(ha->nvram, 0, sizeof (IPS_NVRAM_P5)); 5836 5837 return (0); 5838 } 5839 if (!write) 5840 memcpy(ha->nvram, ha->ioctl_data, sizeof(*ha->nvram)); 5841 return (1); 5842 } 5843 5844 /****************************************************************************/ 5845 /* */ 5846 /* Routine Name: ips_clear_adapter */ 5847 /* */ 5848 /* Routine Description: */ 5849 /* */ 5850 /* Clear the stripe lock tables */ 5851 /* */ 5852 /****************************************************************************/ 5853 static int 5854 ips_clear_adapter(ips_ha_t * ha, int intr) 5855 { 5856 ips_scb_t *scb; 5857 int ret; 5858 5859 METHOD_TRACE("ips_clear_adapter", 1); 5860 5861 scb = &ha->scbs[ha->max_cmds - 1]; 5862 5863 ips_init_scb(ha, scb); 5864 5865 scb->timeout = ips_reset_timeout; 5866 scb->cdb[0] = IPS_CMD_CONFIG_SYNC; 5867 5868 scb->cmd.config_sync.op_code = IPS_CMD_CONFIG_SYNC; 5869 scb->cmd.config_sync.command_id = IPS_COMMAND_ID(ha, scb); 5870 scb->cmd.config_sync.channel = 0; 5871 scb->cmd.config_sync.source_target = IPS_POCL; 5872 scb->cmd.config_sync.reserved = 0; 5873 scb->cmd.config_sync.reserved2 = 0; 5874 scb->cmd.config_sync.reserved3 = 0; 5875 5876 /* issue command */ 5877 if (((ret = 5878 ips_send_wait(ha, scb, ips_reset_timeout, intr)) == IPS_FAILURE) 5879 || (ret == IPS_SUCCESS_IMM) 5880 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) 5881 return (0); 5882 5883 /* send unlock stripe command */ 5884 ips_init_scb(ha, scb); 5885 5886 scb->cdb[0] = IPS_CMD_ERROR_TABLE; 5887 scb->timeout = ips_reset_timeout; 5888 5889 scb->cmd.unlock_stripe.op_code = IPS_CMD_ERROR_TABLE; 5890 scb->cmd.unlock_stripe.command_id = IPS_COMMAND_ID(ha, scb); 5891 scb->cmd.unlock_stripe.log_drv = 0; 5892 scb->cmd.unlock_stripe.control = IPS_CSL; 5893 scb->cmd.unlock_stripe.reserved = 0; 5894 scb->cmd.unlock_stripe.reserved2 = 0; 5895 scb->cmd.unlock_stripe.reserved3 = 0; 5896 5897 /* issue command */ 5898 if (((ret = 5899 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE) 5900 || (ret == IPS_SUCCESS_IMM) 5901 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) 5902 return (0); 5903 5904 return (1); 5905 } 5906 5907 /****************************************************************************/ 5908 /* */ 5909 /* Routine Name: ips_ffdc_reset */ 5910 /* */ 5911 /* Routine Description: */ 5912 /* */ 5913 /* FFDC: write reset info */ 5914 /* */ 5915 /****************************************************************************/ 5916 static void 5917 ips_ffdc_reset(ips_ha_t * ha, int intr) 5918 { 5919 ips_scb_t *scb; 5920 5921 METHOD_TRACE("ips_ffdc_reset", 1); 5922 5923 scb = &ha->scbs[ha->max_cmds - 1]; 5924 5925 ips_init_scb(ha, scb); 5926 5927 scb->timeout = ips_cmd_timeout; 5928 scb->cdb[0] = IPS_CMD_FFDC; 5929 scb->cmd.ffdc.op_code = IPS_CMD_FFDC; 5930 scb->cmd.ffdc.command_id = IPS_COMMAND_ID(ha, scb); 5931 scb->cmd.ffdc.reset_count = ha->reset_count; 5932 scb->cmd.ffdc.reset_type = 0x80; 5933 5934 /* convert time to what the card wants */ 5935 ips_fix_ffdc_time(ha, scb, ha->last_ffdc); 5936 5937 /* issue command */ 5938 ips_send_wait(ha, scb, ips_cmd_timeout, intr); 5939 } 5940 5941 /****************************************************************************/ 5942 /* */ 5943 /* Routine Name: ips_ffdc_time */ 5944 /* */ 5945 /* Routine Description: */ 5946 /* */ 5947 /* FFDC: write time info */ 5948 /* */ 5949 /****************************************************************************/ 5950 static void 5951 ips_ffdc_time(ips_ha_t * ha) 5952 { 5953 ips_scb_t *scb; 5954 5955 METHOD_TRACE("ips_ffdc_time", 1); 5956 5957 DEBUG_VAR(1, "(%s%d) Sending time update.", ips_name, ha->host_num); 5958 5959 scb = &ha->scbs[ha->max_cmds - 1]; 5960 5961 ips_init_scb(ha, scb); 5962 5963 scb->timeout = ips_cmd_timeout; 5964 scb->cdb[0] = IPS_CMD_FFDC; 5965 scb->cmd.ffdc.op_code = IPS_CMD_FFDC; 5966 scb->cmd.ffdc.command_id = IPS_COMMAND_ID(ha, scb); 5967 scb->cmd.ffdc.reset_count = 0; 5968 scb->cmd.ffdc.reset_type = 0; 5969 5970 /* convert time to what the card wants */ 5971 ips_fix_ffdc_time(ha, scb, ha->last_ffdc); 5972 5973 /* issue command */ 5974 ips_send_wait(ha, scb, ips_cmd_timeout, IPS_FFDC); 5975 } 5976 5977 /****************************************************************************/ 5978 /* */ 5979 /* Routine Name: ips_fix_ffdc_time */ 5980 /* */ 5981 /* Routine Description: */ 5982 /* Adjust time_t to what the card wants */ 5983 /* */ 5984 /****************************************************************************/ 5985 static void 5986 ips_fix_ffdc_time(ips_ha_t * ha, ips_scb_t * scb, time64_t current_time) 5987 { 5988 struct tm tm; 5989 5990 METHOD_TRACE("ips_fix_ffdc_time", 1); 5991 5992 time64_to_tm(current_time, 0, &tm); 5993 5994 scb->cmd.ffdc.hour = tm.tm_hour; 5995 scb->cmd.ffdc.minute = tm.tm_min; 5996 scb->cmd.ffdc.second = tm.tm_sec; 5997 scb->cmd.ffdc.yearH = (tm.tm_year + 1900) / 100; 5998 scb->cmd.ffdc.yearL = tm.tm_year % 100; 5999 scb->cmd.ffdc.month = tm.tm_mon + 1; 6000 scb->cmd.ffdc.day = tm.tm_mday; 6001 } 6002 6003 /**************************************************************************** 6004 * BIOS Flash Routines * 6005 ****************************************************************************/ 6006 6007 /****************************************************************************/ 6008 /* */ 6009 /* Routine Name: ips_erase_bios */ 6010 /* */ 6011 /* Routine Description: */ 6012 /* Erase the BIOS on the adapter */ 6013 /* */ 6014 /****************************************************************************/ 6015 static int 6016 ips_erase_bios(ips_ha_t * ha) 6017 { 6018 int timeout; 6019 uint8_t status = 0; 6020 6021 METHOD_TRACE("ips_erase_bios", 1); 6022 6023 status = 0; 6024 6025 /* Clear the status register */ 6026 outl(0, ha->io_addr + IPS_REG_FLAP); 6027 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6028 udelay(25); /* 25 us */ 6029 6030 outb(0x50, ha->io_addr + IPS_REG_FLDP); 6031 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6032 udelay(25); /* 25 us */ 6033 6034 /* Erase Setup */ 6035 outb(0x20, ha->io_addr + IPS_REG_FLDP); 6036 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6037 udelay(25); /* 25 us */ 6038 6039 /* Erase Confirm */ 6040 outb(0xD0, ha->io_addr + IPS_REG_FLDP); 6041 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6042 udelay(25); /* 25 us */ 6043 6044 /* Erase Status */ 6045 outb(0x70, ha->io_addr + IPS_REG_FLDP); 6046 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6047 udelay(25); /* 25 us */ 6048 6049 timeout = 80000; /* 80 seconds */ 6050 6051 while (timeout > 0) { 6052 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) { 6053 outl(0, ha->io_addr + IPS_REG_FLAP); 6054 udelay(25); /* 25 us */ 6055 } 6056 6057 status = inb(ha->io_addr + IPS_REG_FLDP); 6058 6059 if (status & 0x80) 6060 break; 6061 6062 MDELAY(1); 6063 timeout--; 6064 } 6065 6066 /* check for timeout */ 6067 if (timeout <= 0) { 6068 /* timeout */ 6069 6070 /* try to suspend the erase */ 6071 outb(0xB0, ha->io_addr + IPS_REG_FLDP); 6072 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6073 udelay(25); /* 25 us */ 6074 6075 /* wait for 10 seconds */ 6076 timeout = 10000; 6077 while (timeout > 0) { 6078 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) { 6079 outl(0, ha->io_addr + IPS_REG_FLAP); 6080 udelay(25); /* 25 us */ 6081 } 6082 6083 status = inb(ha->io_addr + IPS_REG_FLDP); 6084 6085 if (status & 0xC0) 6086 break; 6087 6088 MDELAY(1); 6089 timeout--; 6090 } 6091 6092 return (1); 6093 } 6094 6095 /* check for valid VPP */ 6096 if (status & 0x08) 6097 /* VPP failure */ 6098 return (1); 6099 6100 /* check for successful flash */ 6101 if (status & 0x30) 6102 /* sequence error */ 6103 return (1); 6104 6105 /* Otherwise, we were successful */ 6106 /* clear status */ 6107 outb(0x50, ha->io_addr + IPS_REG_FLDP); 6108 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6109 udelay(25); /* 25 us */ 6110 6111 /* enable reads */ 6112 outb(0xFF, ha->io_addr + IPS_REG_FLDP); 6113 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6114 udelay(25); /* 25 us */ 6115 6116 return (0); 6117 } 6118 6119 /****************************************************************************/ 6120 /* */ 6121 /* Routine Name: ips_erase_bios_memio */ 6122 /* */ 6123 /* Routine Description: */ 6124 /* Erase the BIOS on the adapter */ 6125 /* */ 6126 /****************************************************************************/ 6127 static int 6128 ips_erase_bios_memio(ips_ha_t * ha) 6129 { 6130 int timeout; 6131 uint8_t status; 6132 6133 METHOD_TRACE("ips_erase_bios_memio", 1); 6134 6135 status = 0; 6136 6137 /* Clear the status register */ 6138 writel(0, ha->mem_ptr + IPS_REG_FLAP); 6139 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6140 udelay(25); /* 25 us */ 6141 6142 writeb(0x50, ha->mem_ptr + IPS_REG_FLDP); 6143 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6144 udelay(25); /* 25 us */ 6145 6146 /* Erase Setup */ 6147 writeb(0x20, ha->mem_ptr + IPS_REG_FLDP); 6148 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6149 udelay(25); /* 25 us */ 6150 6151 /* Erase Confirm */ 6152 writeb(0xD0, ha->mem_ptr + IPS_REG_FLDP); 6153 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6154 udelay(25); /* 25 us */ 6155 6156 /* Erase Status */ 6157 writeb(0x70, ha->mem_ptr + IPS_REG_FLDP); 6158 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6159 udelay(25); /* 25 us */ 6160 6161 timeout = 80000; /* 80 seconds */ 6162 6163 while (timeout > 0) { 6164 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) { 6165 writel(0, ha->mem_ptr + IPS_REG_FLAP); 6166 udelay(25); /* 25 us */ 6167 } 6168 6169 status = readb(ha->mem_ptr + IPS_REG_FLDP); 6170 6171 if (status & 0x80) 6172 break; 6173 6174 MDELAY(1); 6175 timeout--; 6176 } 6177 6178 /* check for timeout */ 6179 if (timeout <= 0) { 6180 /* timeout */ 6181 6182 /* try to suspend the erase */ 6183 writeb(0xB0, ha->mem_ptr + IPS_REG_FLDP); 6184 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6185 udelay(25); /* 25 us */ 6186 6187 /* wait for 10 seconds */ 6188 timeout = 10000; 6189 while (timeout > 0) { 6190 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) { 6191 writel(0, ha->mem_ptr + IPS_REG_FLAP); 6192 udelay(25); /* 25 us */ 6193 } 6194 6195 status = readb(ha->mem_ptr + IPS_REG_FLDP); 6196 6197 if (status & 0xC0) 6198 break; 6199 6200 MDELAY(1); 6201 timeout--; 6202 } 6203 6204 return (1); 6205 } 6206 6207 /* check for valid VPP */ 6208 if (status & 0x08) 6209 /* VPP failure */ 6210 return (1); 6211 6212 /* check for successful flash */ 6213 if (status & 0x30) 6214 /* sequence error */ 6215 return (1); 6216 6217 /* Otherwise, we were successful */ 6218 /* clear status */ 6219 writeb(0x50, ha->mem_ptr + IPS_REG_FLDP); 6220 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6221 udelay(25); /* 25 us */ 6222 6223 /* enable reads */ 6224 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP); 6225 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6226 udelay(25); /* 25 us */ 6227 6228 return (0); 6229 } 6230 6231 /****************************************************************************/ 6232 /* */ 6233 /* Routine Name: ips_program_bios */ 6234 /* */ 6235 /* Routine Description: */ 6236 /* Program the BIOS on the adapter */ 6237 /* */ 6238 /****************************************************************************/ 6239 static int 6240 ips_program_bios(ips_ha_t * ha, char *buffer, uint32_t buffersize, 6241 uint32_t offset) 6242 { 6243 int i; 6244 int timeout; 6245 uint8_t status = 0; 6246 6247 METHOD_TRACE("ips_program_bios", 1); 6248 6249 status = 0; 6250 6251 for (i = 0; i < buffersize; i++) { 6252 /* write a byte */ 6253 outl(i + offset, ha->io_addr + IPS_REG_FLAP); 6254 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6255 udelay(25); /* 25 us */ 6256 6257 outb(0x40, ha->io_addr + IPS_REG_FLDP); 6258 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6259 udelay(25); /* 25 us */ 6260 6261 outb(buffer[i], ha->io_addr + IPS_REG_FLDP); 6262 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6263 udelay(25); /* 25 us */ 6264 6265 /* wait up to one second */ 6266 timeout = 1000; 6267 while (timeout > 0) { 6268 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) { 6269 outl(0, ha->io_addr + IPS_REG_FLAP); 6270 udelay(25); /* 25 us */ 6271 } 6272 6273 status = inb(ha->io_addr + IPS_REG_FLDP); 6274 6275 if (status & 0x80) 6276 break; 6277 6278 MDELAY(1); 6279 timeout--; 6280 } 6281 6282 if (timeout == 0) { 6283 /* timeout error */ 6284 outl(0, ha->io_addr + IPS_REG_FLAP); 6285 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6286 udelay(25); /* 25 us */ 6287 6288 outb(0xFF, ha->io_addr + IPS_REG_FLDP); 6289 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6290 udelay(25); /* 25 us */ 6291 6292 return (1); 6293 } 6294 6295 /* check the status */ 6296 if (status & 0x18) { 6297 /* programming error */ 6298 outl(0, ha->io_addr + IPS_REG_FLAP); 6299 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6300 udelay(25); /* 25 us */ 6301 6302 outb(0xFF, ha->io_addr + IPS_REG_FLDP); 6303 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6304 udelay(25); /* 25 us */ 6305 6306 return (1); 6307 } 6308 } /* end for */ 6309 6310 /* Enable reading */ 6311 outl(0, ha->io_addr + IPS_REG_FLAP); 6312 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6313 udelay(25); /* 25 us */ 6314 6315 outb(0xFF, ha->io_addr + IPS_REG_FLDP); 6316 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6317 udelay(25); /* 25 us */ 6318 6319 return (0); 6320 } 6321 6322 /****************************************************************************/ 6323 /* */ 6324 /* Routine Name: ips_program_bios_memio */ 6325 /* */ 6326 /* Routine Description: */ 6327 /* Program the BIOS on the adapter */ 6328 /* */ 6329 /****************************************************************************/ 6330 static int 6331 ips_program_bios_memio(ips_ha_t * ha, char *buffer, uint32_t buffersize, 6332 uint32_t offset) 6333 { 6334 int i; 6335 int timeout; 6336 uint8_t status = 0; 6337 6338 METHOD_TRACE("ips_program_bios_memio", 1); 6339 6340 status = 0; 6341 6342 for (i = 0; i < buffersize; i++) { 6343 /* write a byte */ 6344 writel(i + offset, ha->mem_ptr + IPS_REG_FLAP); 6345 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6346 udelay(25); /* 25 us */ 6347 6348 writeb(0x40, ha->mem_ptr + IPS_REG_FLDP); 6349 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6350 udelay(25); /* 25 us */ 6351 6352 writeb(buffer[i], ha->mem_ptr + IPS_REG_FLDP); 6353 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6354 udelay(25); /* 25 us */ 6355 6356 /* wait up to one second */ 6357 timeout = 1000; 6358 while (timeout > 0) { 6359 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) { 6360 writel(0, ha->mem_ptr + IPS_REG_FLAP); 6361 udelay(25); /* 25 us */ 6362 } 6363 6364 status = readb(ha->mem_ptr + IPS_REG_FLDP); 6365 6366 if (status & 0x80) 6367 break; 6368 6369 MDELAY(1); 6370 timeout--; 6371 } 6372 6373 if (timeout == 0) { 6374 /* timeout error */ 6375 writel(0, ha->mem_ptr + IPS_REG_FLAP); 6376 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6377 udelay(25); /* 25 us */ 6378 6379 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP); 6380 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6381 udelay(25); /* 25 us */ 6382 6383 return (1); 6384 } 6385 6386 /* check the status */ 6387 if (status & 0x18) { 6388 /* programming error */ 6389 writel(0, ha->mem_ptr + IPS_REG_FLAP); 6390 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6391 udelay(25); /* 25 us */ 6392 6393 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP); 6394 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6395 udelay(25); /* 25 us */ 6396 6397 return (1); 6398 } 6399 } /* end for */ 6400 6401 /* Enable reading */ 6402 writel(0, ha->mem_ptr + IPS_REG_FLAP); 6403 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6404 udelay(25); /* 25 us */ 6405 6406 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP); 6407 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6408 udelay(25); /* 25 us */ 6409 6410 return (0); 6411 } 6412 6413 /****************************************************************************/ 6414 /* */ 6415 /* Routine Name: ips_verify_bios */ 6416 /* */ 6417 /* Routine Description: */ 6418 /* Verify the BIOS on the adapter */ 6419 /* */ 6420 /****************************************************************************/ 6421 static int 6422 ips_verify_bios(ips_ha_t * ha, char *buffer, uint32_t buffersize, 6423 uint32_t offset) 6424 { 6425 uint8_t checksum; 6426 int i; 6427 6428 METHOD_TRACE("ips_verify_bios", 1); 6429 6430 /* test 1st byte */ 6431 outl(0, ha->io_addr + IPS_REG_FLAP); 6432 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6433 udelay(25); /* 25 us */ 6434 6435 if (inb(ha->io_addr + IPS_REG_FLDP) != 0x55) 6436 return (1); 6437 6438 outl(1, ha->io_addr + IPS_REG_FLAP); 6439 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6440 udelay(25); /* 25 us */ 6441 if (inb(ha->io_addr + IPS_REG_FLDP) != 0xAA) 6442 return (1); 6443 6444 checksum = 0xff; 6445 for (i = 2; i < buffersize; i++) { 6446 6447 outl(i + offset, ha->io_addr + IPS_REG_FLAP); 6448 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6449 udelay(25); /* 25 us */ 6450 6451 checksum = (uint8_t) checksum + inb(ha->io_addr + IPS_REG_FLDP); 6452 } 6453 6454 if (checksum != 0) 6455 /* failure */ 6456 return (1); 6457 else 6458 /* success */ 6459 return (0); 6460 } 6461 6462 /****************************************************************************/ 6463 /* */ 6464 /* Routine Name: ips_verify_bios_memio */ 6465 /* */ 6466 /* Routine Description: */ 6467 /* Verify the BIOS on the adapter */ 6468 /* */ 6469 /****************************************************************************/ 6470 static int 6471 ips_verify_bios_memio(ips_ha_t * ha, char *buffer, uint32_t buffersize, 6472 uint32_t offset) 6473 { 6474 uint8_t checksum; 6475 int i; 6476 6477 METHOD_TRACE("ips_verify_bios_memio", 1); 6478 6479 /* test 1st byte */ 6480 writel(0, ha->mem_ptr + IPS_REG_FLAP); 6481 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6482 udelay(25); /* 25 us */ 6483 6484 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0x55) 6485 return (1); 6486 6487 writel(1, ha->mem_ptr + IPS_REG_FLAP); 6488 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6489 udelay(25); /* 25 us */ 6490 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0xAA) 6491 return (1); 6492 6493 checksum = 0xff; 6494 for (i = 2; i < buffersize; i++) { 6495 6496 writel(i + offset, ha->mem_ptr + IPS_REG_FLAP); 6497 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) 6498 udelay(25); /* 25 us */ 6499 6500 checksum = 6501 (uint8_t) checksum + readb(ha->mem_ptr + IPS_REG_FLDP); 6502 } 6503 6504 if (checksum != 0) 6505 /* failure */ 6506 return (1); 6507 else 6508 /* success */ 6509 return (0); 6510 } 6511 6512 /****************************************************************************/ 6513 /* */ 6514 /* Routine Name: ips_abort_init */ 6515 /* */ 6516 /* Routine Description: */ 6517 /* cleanup routine for a failed adapter initialization */ 6518 /****************************************************************************/ 6519 static int 6520 ips_abort_init(ips_ha_t * ha, int index) 6521 { 6522 ha->active = 0; 6523 ips_free(ha); 6524 ips_ha[index] = NULL; 6525 ips_sh[index] = NULL; 6526 return -1; 6527 } 6528 6529 /****************************************************************************/ 6530 /* */ 6531 /* Routine Name: ips_shift_controllers */ 6532 /* */ 6533 /* Routine Description: */ 6534 /* helper function for ordering adapters */ 6535 /****************************************************************************/ 6536 static void 6537 ips_shift_controllers(int lowindex, int highindex) 6538 { 6539 ips_ha_t *ha_sav = ips_ha[highindex]; 6540 struct Scsi_Host *sh_sav = ips_sh[highindex]; 6541 int i; 6542 6543 for (i = highindex; i > lowindex; i--) { 6544 ips_ha[i] = ips_ha[i - 1]; 6545 ips_sh[i] = ips_sh[i - 1]; 6546 ips_ha[i]->host_num = i; 6547 } 6548 ha_sav->host_num = lowindex; 6549 ips_ha[lowindex] = ha_sav; 6550 ips_sh[lowindex] = sh_sav; 6551 } 6552 6553 /****************************************************************************/ 6554 /* */ 6555 /* Routine Name: ips_order_controllers */ 6556 /* */ 6557 /* Routine Description: */ 6558 /* place controllers is the "proper" boot order */ 6559 /****************************************************************************/ 6560 static void 6561 ips_order_controllers(void) 6562 { 6563 int i, j, tmp, position = 0; 6564 IPS_NVRAM_P5 *nvram; 6565 if (!ips_ha[0]) 6566 return; 6567 nvram = ips_ha[0]->nvram; 6568 6569 if (nvram->adapter_order[0]) { 6570 for (i = 1; i <= nvram->adapter_order[0]; i++) { 6571 for (j = position; j < ips_num_controllers; j++) { 6572 switch (ips_ha[j]->ad_type) { 6573 case IPS_ADTYPE_SERVERAID6M: 6574 case IPS_ADTYPE_SERVERAID7M: 6575 if (nvram->adapter_order[i] == 'M') { 6576 ips_shift_controllers(position, 6577 j); 6578 position++; 6579 } 6580 break; 6581 case IPS_ADTYPE_SERVERAID4L: 6582 case IPS_ADTYPE_SERVERAID4M: 6583 case IPS_ADTYPE_SERVERAID4MX: 6584 case IPS_ADTYPE_SERVERAID4LX: 6585 if (nvram->adapter_order[i] == 'N') { 6586 ips_shift_controllers(position, 6587 j); 6588 position++; 6589 } 6590 break; 6591 case IPS_ADTYPE_SERVERAID6I: 6592 case IPS_ADTYPE_SERVERAID5I2: 6593 case IPS_ADTYPE_SERVERAID5I1: 6594 case IPS_ADTYPE_SERVERAID7k: 6595 if (nvram->adapter_order[i] == 'S') { 6596 ips_shift_controllers(position, 6597 j); 6598 position++; 6599 } 6600 break; 6601 case IPS_ADTYPE_SERVERAID: 6602 case IPS_ADTYPE_SERVERAID2: 6603 case IPS_ADTYPE_NAVAJO: 6604 case IPS_ADTYPE_KIOWA: 6605 case IPS_ADTYPE_SERVERAID3L: 6606 case IPS_ADTYPE_SERVERAID3: 6607 case IPS_ADTYPE_SERVERAID4H: 6608 if (nvram->adapter_order[i] == 'A') { 6609 ips_shift_controllers(position, 6610 j); 6611 position++; 6612 } 6613 break; 6614 default: 6615 break; 6616 } 6617 } 6618 } 6619 /* if adapter_order[0], then ordering is complete */ 6620 return; 6621 } 6622 /* old bios, use older ordering */ 6623 tmp = 0; 6624 for (i = position; i < ips_num_controllers; i++) { 6625 if (ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID5I2 || 6626 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID5I1) { 6627 ips_shift_controllers(position, i); 6628 position++; 6629 tmp = 1; 6630 } 6631 } 6632 /* if there were no 5I cards, then don't do any extra ordering */ 6633 if (!tmp) 6634 return; 6635 for (i = position; i < ips_num_controllers; i++) { 6636 if (ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4L || 6637 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4M || 6638 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4LX || 6639 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4MX) { 6640 ips_shift_controllers(position, i); 6641 position++; 6642 } 6643 } 6644 6645 return; 6646 } 6647 6648 /****************************************************************************/ 6649 /* */ 6650 /* Routine Name: ips_register_scsi */ 6651 /* */ 6652 /* Routine Description: */ 6653 /* perform any registration and setup with the scsi layer */ 6654 /****************************************************************************/ 6655 static int 6656 ips_register_scsi(int index) 6657 { 6658 struct Scsi_Host *sh; 6659 ips_ha_t *ha, *oldha = ips_ha[index]; 6660 sh = scsi_host_alloc(&ips_driver_template, sizeof (ips_ha_t)); 6661 if (!sh) { 6662 IPS_PRINTK(KERN_WARNING, oldha->pcidev, 6663 "Unable to register controller with SCSI subsystem\n"); 6664 return -1; 6665 } 6666 ha = IPS_HA(sh); 6667 memcpy(ha, oldha, sizeof (ips_ha_t)); 6668 free_irq(oldha->pcidev->irq, oldha); 6669 /* Install the interrupt handler with the new ha */ 6670 if (request_irq(ha->pcidev->irq, do_ipsintr, IRQF_SHARED, ips_name, ha)) { 6671 IPS_PRINTK(KERN_WARNING, ha->pcidev, 6672 "Unable to install interrupt handler\n"); 6673 goto err_out_sh; 6674 } 6675 6676 kfree(oldha); 6677 6678 /* Store away needed values for later use */ 6679 sh->unique_id = (ha->io_addr) ? ha->io_addr : ha->mem_addr; 6680 sh->sg_tablesize = sh->hostt->sg_tablesize; 6681 sh->can_queue = sh->hostt->can_queue; 6682 sh->cmd_per_lun = sh->hostt->cmd_per_lun; 6683 sh->max_sectors = 128; 6684 6685 sh->max_id = ha->ntargets; 6686 sh->max_lun = ha->nlun; 6687 sh->max_channel = ha->nbus - 1; 6688 sh->can_queue = ha->max_cmds - 1; 6689 6690 if (scsi_add_host(sh, &ha->pcidev->dev)) 6691 goto err_out; 6692 6693 ips_sh[index] = sh; 6694 ips_ha[index] = ha; 6695 6696 scsi_scan_host(sh); 6697 6698 return 0; 6699 6700 err_out: 6701 free_irq(ha->pcidev->irq, ha); 6702 err_out_sh: 6703 scsi_host_put(sh); 6704 return -1; 6705 } 6706 6707 /*---------------------------------------------------------------------------*/ 6708 /* Routine Name: ips_remove_device */ 6709 /* */ 6710 /* Routine Description: */ 6711 /* Remove one Adapter ( Hot Plugging ) */ 6712 /*---------------------------------------------------------------------------*/ 6713 static void 6714 ips_remove_device(struct pci_dev *pci_dev) 6715 { 6716 struct Scsi_Host *sh = pci_get_drvdata(pci_dev); 6717 6718 pci_set_drvdata(pci_dev, NULL); 6719 6720 ips_release(sh); 6721 6722 pci_release_regions(pci_dev); 6723 pci_disable_device(pci_dev); 6724 } 6725 6726 /****************************************************************************/ 6727 /* */ 6728 /* Routine Name: ips_module_init */ 6729 /* */ 6730 /* Routine Description: */ 6731 /* function called on module load */ 6732 /****************************************************************************/ 6733 static int __init 6734 ips_module_init(void) 6735 { 6736 #if !defined(__i386__) && !defined(__ia64__) && !defined(__x86_64__) 6737 printk(KERN_ERR "ips: This driver has only been tested on the x86/ia64/x86_64 platforms\n"); 6738 add_taint(TAINT_CPU_OUT_OF_SPEC, LOCKDEP_STILL_OK); 6739 #endif 6740 6741 if (pci_register_driver(&ips_pci_driver) < 0) 6742 return -ENODEV; 6743 ips_driver_template.module = THIS_MODULE; 6744 ips_order_controllers(); 6745 if (!ips_detect(&ips_driver_template)) { 6746 pci_unregister_driver(&ips_pci_driver); 6747 return -ENODEV; 6748 } 6749 register_reboot_notifier(&ips_notifier); 6750 return 0; 6751 } 6752 6753 /****************************************************************************/ 6754 /* */ 6755 /* Routine Name: ips_module_exit */ 6756 /* */ 6757 /* Routine Description: */ 6758 /* function called on module unload */ 6759 /****************************************************************************/ 6760 static void __exit 6761 ips_module_exit(void) 6762 { 6763 pci_unregister_driver(&ips_pci_driver); 6764 unregister_reboot_notifier(&ips_notifier); 6765 } 6766 6767 module_init(ips_module_init); 6768 module_exit(ips_module_exit); 6769 6770 /*---------------------------------------------------------------------------*/ 6771 /* Routine Name: ips_insert_device */ 6772 /* */ 6773 /* Routine Description: */ 6774 /* Add One Adapter ( Hot Plug ) */ 6775 /* */ 6776 /* Return Value: */ 6777 /* 0 if Successful, else non-zero */ 6778 /*---------------------------------------------------------------------------*/ 6779 static int 6780 ips_insert_device(struct pci_dev *pci_dev, const struct pci_device_id *ent) 6781 { 6782 int index = -1; 6783 int rc; 6784 6785 METHOD_TRACE("ips_insert_device", 1); 6786 rc = pci_enable_device(pci_dev); 6787 if (rc) 6788 return rc; 6789 6790 rc = pci_request_regions(pci_dev, "ips"); 6791 if (rc) 6792 goto err_out; 6793 6794 rc = ips_init_phase1(pci_dev, &index); 6795 if (rc == SUCCESS) 6796 rc = ips_init_phase2(index); 6797 6798 if (ips_hotplug) 6799 if (ips_register_scsi(index)) { 6800 ips_free(ips_ha[index]); 6801 rc = -1; 6802 } 6803 6804 if (rc == SUCCESS) 6805 ips_num_controllers++; 6806 6807 ips_next_controller = ips_num_controllers; 6808 6809 if (rc < 0) { 6810 rc = -ENODEV; 6811 goto err_out_regions; 6812 } 6813 6814 pci_set_drvdata(pci_dev, ips_sh[index]); 6815 return 0; 6816 6817 err_out_regions: 6818 pci_release_regions(pci_dev); 6819 err_out: 6820 pci_disable_device(pci_dev); 6821 return rc; 6822 } 6823 6824 /*---------------------------------------------------------------------------*/ 6825 /* Routine Name: ips_init_phase1 */ 6826 /* */ 6827 /* Routine Description: */ 6828 /* Adapter Initialization */ 6829 /* */ 6830 /* Return Value: */ 6831 /* 0 if Successful, else non-zero */ 6832 /*---------------------------------------------------------------------------*/ 6833 static int 6834 ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr) 6835 { 6836 ips_ha_t *ha; 6837 uint32_t io_addr; 6838 uint32_t mem_addr; 6839 uint32_t io_len; 6840 uint32_t mem_len; 6841 int j; 6842 int index; 6843 dma_addr_t dma_address; 6844 char __iomem *ioremap_ptr; 6845 char __iomem *mem_ptr; 6846 uint32_t IsDead; 6847 6848 METHOD_TRACE("ips_init_phase1", 1); 6849 index = IPS_MAX_ADAPTERS; 6850 for (j = 0; j < IPS_MAX_ADAPTERS; j++) { 6851 if (ips_ha[j] == NULL) { 6852 index = j; 6853 break; 6854 } 6855 } 6856 6857 if (index >= IPS_MAX_ADAPTERS) 6858 return -1; 6859 6860 /* Init MEM/IO addresses to 0 */ 6861 mem_addr = 0; 6862 io_addr = 0; 6863 mem_len = 0; 6864 io_len = 0; 6865 6866 for (j = 0; j < 2; j++) { 6867 if (!pci_resource_start(pci_dev, j)) 6868 break; 6869 6870 if (pci_resource_flags(pci_dev, j) & IORESOURCE_IO) { 6871 io_addr = pci_resource_start(pci_dev, j); 6872 io_len = pci_resource_len(pci_dev, j); 6873 } else { 6874 mem_addr = pci_resource_start(pci_dev, j); 6875 mem_len = pci_resource_len(pci_dev, j); 6876 } 6877 } 6878 6879 /* setup memory mapped area (if applicable) */ 6880 if (mem_addr) { 6881 uint32_t base; 6882 uint32_t offs; 6883 6884 base = mem_addr & PAGE_MASK; 6885 offs = mem_addr - base; 6886 ioremap_ptr = ioremap(base, PAGE_SIZE); 6887 if (!ioremap_ptr) 6888 return -1; 6889 mem_ptr = ioremap_ptr + offs; 6890 } else { 6891 ioremap_ptr = NULL; 6892 mem_ptr = NULL; 6893 } 6894 6895 /* found a controller */ 6896 ha = kzalloc(sizeof (ips_ha_t), GFP_KERNEL); 6897 if (ha == NULL) { 6898 IPS_PRINTK(KERN_WARNING, pci_dev, 6899 "Unable to allocate temporary ha struct\n"); 6900 return -1; 6901 } 6902 6903 ips_sh[index] = NULL; 6904 ips_ha[index] = ha; 6905 ha->active = 1; 6906 6907 /* Store info in HA structure */ 6908 ha->io_addr = io_addr; 6909 ha->io_len = io_len; 6910 ha->mem_addr = mem_addr; 6911 ha->mem_len = mem_len; 6912 ha->mem_ptr = mem_ptr; 6913 ha->ioremap_ptr = ioremap_ptr; 6914 ha->host_num = (uint32_t) index; 6915 ha->slot_num = PCI_SLOT(pci_dev->devfn); 6916 ha->pcidev = pci_dev; 6917 6918 /* 6919 * Set the pci_dev's dma_mask. Not all adapters support 64bit 6920 * addressing so don't enable it if the adapter can't support 6921 * it! Also, don't use 64bit addressing if dma addresses 6922 * are guaranteed to be < 4G. 6923 */ 6924 if (sizeof(dma_addr_t) > 4 && IPS_HAS_ENH_SGLIST(ha) && 6925 !dma_set_mask(&ha->pcidev->dev, DMA_BIT_MASK(64))) { 6926 (ha)->flags |= IPS_HA_ENH_SG; 6927 } else { 6928 if (dma_set_mask(&ha->pcidev->dev, DMA_BIT_MASK(32)) != 0) { 6929 printk(KERN_WARNING "Unable to set DMA Mask\n"); 6930 return ips_abort_init(ha, index); 6931 } 6932 } 6933 if(ips_cd_boot && !ips_FlashData){ 6934 ips_FlashData = dma_alloc_coherent(&pci_dev->dev, 6935 PAGE_SIZE << 7, &ips_flashbusaddr, GFP_KERNEL); 6936 } 6937 6938 ha->enq = dma_alloc_coherent(&pci_dev->dev, sizeof (IPS_ENQ), 6939 &ha->enq_busaddr, GFP_KERNEL); 6940 if (!ha->enq) { 6941 IPS_PRINTK(KERN_WARNING, pci_dev, 6942 "Unable to allocate host inquiry structure\n"); 6943 return ips_abort_init(ha, index); 6944 } 6945 6946 ha->adapt = dma_alloc_coherent(&pci_dev->dev, 6947 sizeof (IPS_ADAPTER) + sizeof (IPS_IO_CMD), 6948 &dma_address, GFP_KERNEL); 6949 if (!ha->adapt) { 6950 IPS_PRINTK(KERN_WARNING, pci_dev, 6951 "Unable to allocate host adapt & dummy structures\n"); 6952 return ips_abort_init(ha, index); 6953 } 6954 ha->adapt->hw_status_start = dma_address; 6955 ha->dummy = (void *) (ha->adapt + 1); 6956 6957 6958 6959 ha->logical_drive_info = dma_alloc_coherent(&pci_dev->dev, 6960 sizeof (IPS_LD_INFO), &dma_address, GFP_KERNEL); 6961 if (!ha->logical_drive_info) { 6962 IPS_PRINTK(KERN_WARNING, pci_dev, 6963 "Unable to allocate logical drive info structure\n"); 6964 return ips_abort_init(ha, index); 6965 } 6966 ha->logical_drive_info_dma_addr = dma_address; 6967 6968 6969 ha->conf = kmalloc(sizeof (IPS_CONF), GFP_KERNEL); 6970 6971 if (!ha->conf) { 6972 IPS_PRINTK(KERN_WARNING, pci_dev, 6973 "Unable to allocate host conf structure\n"); 6974 return ips_abort_init(ha, index); 6975 } 6976 6977 ha->nvram = kmalloc(sizeof (IPS_NVRAM_P5), GFP_KERNEL); 6978 6979 if (!ha->nvram) { 6980 IPS_PRINTK(KERN_WARNING, pci_dev, 6981 "Unable to allocate host NVRAM structure\n"); 6982 return ips_abort_init(ha, index); 6983 } 6984 6985 ha->subsys = kmalloc(sizeof (IPS_SUBSYS), GFP_KERNEL); 6986 6987 if (!ha->subsys) { 6988 IPS_PRINTK(KERN_WARNING, pci_dev, 6989 "Unable to allocate host subsystem structure\n"); 6990 return ips_abort_init(ha, index); 6991 } 6992 6993 /* the ioctl buffer is now used during adapter initialization, so its 6994 * successful allocation is now required */ 6995 if (ips_ioctlsize < PAGE_SIZE) 6996 ips_ioctlsize = PAGE_SIZE; 6997 6998 ha->ioctl_data = dma_alloc_coherent(&pci_dev->dev, ips_ioctlsize, 6999 &ha->ioctl_busaddr, GFP_KERNEL); 7000 ha->ioctl_len = ips_ioctlsize; 7001 if (!ha->ioctl_data) { 7002 IPS_PRINTK(KERN_WARNING, pci_dev, 7003 "Unable to allocate IOCTL data\n"); 7004 return ips_abort_init(ha, index); 7005 } 7006 7007 /* 7008 * Setup Functions 7009 */ 7010 ips_setup_funclist(ha); 7011 7012 if ((IPS_IS_MORPHEUS(ha)) || (IPS_IS_MARCO(ha))) { 7013 /* If Morpheus appears dead, reset it */ 7014 IsDead = readl(ha->mem_ptr + IPS_REG_I960_MSG1); 7015 if (IsDead == 0xDEADBEEF) { 7016 ips_reset_morpheus(ha); 7017 } 7018 } 7019 7020 /* 7021 * Initialize the card if it isn't already 7022 */ 7023 7024 if (!(*ha->func.isinit) (ha)) { 7025 if (!(*ha->func.init) (ha)) { 7026 /* 7027 * Initialization failed 7028 */ 7029 IPS_PRINTK(KERN_WARNING, pci_dev, 7030 "Unable to initialize controller\n"); 7031 return ips_abort_init(ha, index); 7032 } 7033 } 7034 7035 *indexPtr = index; 7036 return SUCCESS; 7037 } 7038 7039 /*---------------------------------------------------------------------------*/ 7040 /* Routine Name: ips_init_phase2 */ 7041 /* */ 7042 /* Routine Description: */ 7043 /* Adapter Initialization Phase 2 */ 7044 /* */ 7045 /* Return Value: */ 7046 /* 0 if Successful, else non-zero */ 7047 /*---------------------------------------------------------------------------*/ 7048 static int 7049 ips_init_phase2(int index) 7050 { 7051 ips_ha_t *ha; 7052 7053 ha = ips_ha[index]; 7054 7055 METHOD_TRACE("ips_init_phase2", 1); 7056 if (!ha->active) { 7057 ips_ha[index] = NULL; 7058 return -1; 7059 } 7060 7061 /* Install the interrupt handler */ 7062 if (request_irq(ha->pcidev->irq, do_ipsintr, IRQF_SHARED, ips_name, ha)) { 7063 IPS_PRINTK(KERN_WARNING, ha->pcidev, 7064 "Unable to install interrupt handler\n"); 7065 return ips_abort_init(ha, index); 7066 } 7067 7068 /* 7069 * Allocate a temporary SCB for initialization 7070 */ 7071 ha->max_cmds = 1; 7072 if (!ips_allocatescbs(ha)) { 7073 IPS_PRINTK(KERN_WARNING, ha->pcidev, 7074 "Unable to allocate a CCB\n"); 7075 free_irq(ha->pcidev->irq, ha); 7076 return ips_abort_init(ha, index); 7077 } 7078 7079 if (!ips_hainit(ha)) { 7080 IPS_PRINTK(KERN_WARNING, ha->pcidev, 7081 "Unable to initialize controller\n"); 7082 free_irq(ha->pcidev->irq, ha); 7083 return ips_abort_init(ha, index); 7084 } 7085 /* Free the temporary SCB */ 7086 ips_deallocatescbs(ha, 1); 7087 7088 /* allocate CCBs */ 7089 if (!ips_allocatescbs(ha)) { 7090 IPS_PRINTK(KERN_WARNING, ha->pcidev, 7091 "Unable to allocate CCBs\n"); 7092 free_irq(ha->pcidev->irq, ha); 7093 return ips_abort_init(ha, index); 7094 } 7095 7096 return SUCCESS; 7097 } 7098 7099 MODULE_LICENSE("GPL"); 7100 MODULE_DESCRIPTION("IBM ServeRAID Adapter Driver " IPS_VER_STRING); 7101 MODULE_VERSION(IPS_VER_STRING); 7102