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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 | /*+M************************************************************************* * Adaptec AIC7xxx device driver proc support for Linux. * * Copyright (c) 1995, 1996 Dean W. Gehnert * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; see the file COPYING. If not, write to * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. * * ---------------------------------------------------------------- * o Modified from the EATA-DMA /proc support. * o Additional support for device block statistics provided by * Matthew Jacob. * o Correction of overflow by Heinz Mauelshagen * o Adittional corrections by Doug Ledford * * Dean W. Gehnert, deang@teleport.com, 05/01/96 * * $Id: aic7xxx_proc.c,v 4.1 1997/06/97 08:23:42 deang Exp $ *-M*************************************************************************/ #include <linux/config.h> #define BLS (&aic7xxx_buffer[size]) #define HDRB \ " 0 - 4K 4 - 16K 16 - 64K 64 - 256K 256K - 1M 1M+" #ifdef PROC_DEBUG extern int vsprintf(char *, const char *, va_list); static void proc_debug(const char *fmt, ...) { va_list ap; char buf[256]; va_start(ap, fmt); vsprintf(buf, fmt, ap); printk(buf); va_end(ap); } #else /* PROC_DEBUG */ # define proc_debug(fmt, args...) #endif /* PROC_DEBUG */ static int aic7xxx_buffer_size = 0; static char *aic7xxx_buffer = NULL; /*+F************************************************************************* * Function: * aic7xxx_set_info * * Description: * Set parameters for the driver from the /proc filesystem. *-F*************************************************************************/ static int aic7xxx_set_info(char *buffer, int length, struct Scsi_Host *HBAptr) { proc_debug("aic7xxx_set_info(): %s\n", buffer); return (-ENOSYS); /* Currently this is a no-op */ } /*+F************************************************************************* * Function: * aic7xxx_proc_info * * Description: * Return information to handle /proc support for the driver. *-F*************************************************************************/ int aic7xxx_proc_info ( struct Scsi_Host *HBAptr, char *buffer, char **start, off_t offset, int length, int inout) { struct aic7xxx_host *p; struct aic_dev_data *aic_dev; struct scsi_device *sdptr; int size = 0; unsigned char i; unsigned char tindex; for(p=first_aic7xxx; p && p->host != HBAptr; p=p->next) ; if (!p) { size += sprintf(buffer, "Can't find adapter for host number %d\n", HBAptr->host_no); if (size > length) { return (size); } else { return (length); } } if (inout == TRUE) /* Has data been written to the file? */ { return (aic7xxx_set_info(buffer, length, HBAptr)); } p = (struct aic7xxx_host *) HBAptr->hostdata; /* * It takes roughly 1K of space to hold all relevant card info, not * counting any proc stats, so we start out with a 1.5k buffer size and * if proc_stats is defined, then we sweep the stats structure to see * how many drives we will be printing out for and add 384 bytes per * device with active stats. * * Hmmmm...that 1.5k seems to keep growing as items get added so they * can be easily viewed for debugging purposes. So, we bumped that * 1.5k to 4k so we can quit having to bump it all the time. */ size = 4096; list_for_each_entry(aic_dev, &p->aic_devs, list) size += 512; if (aic7xxx_buffer_size != size) { if (aic7xxx_buffer != NULL) { kfree(aic7xxx_buffer); aic7xxx_buffer_size = 0; } aic7xxx_buffer = kmalloc(size, GFP_KERNEL); } if (aic7xxx_buffer == NULL) { size = sprintf(buffer, "AIC7xxx - kmalloc error at line %d\n", __LINE__); return size; } aic7xxx_buffer_size = size; size = 0; size += sprintf(BLS, "Adaptec AIC7xxx driver version: "); size += sprintf(BLS, "%s/", AIC7XXX_C_VERSION); size += sprintf(BLS, "%s", AIC7XXX_H_VERSION); size += sprintf(BLS, "\n"); size += sprintf(BLS, "Adapter Configuration:\n"); size += sprintf(BLS, " SCSI Adapter: %s\n", board_names[p->board_name_index]); if (p->flags & AHC_TWIN) size += sprintf(BLS, " Twin Channel Controller "); else { char *channel = ""; char *ultra = ""; char *wide = "Narrow "; if (p->flags & AHC_MULTI_CHANNEL) { channel = " Channel A"; if (p->flags & (AHC_CHNLB|AHC_CHNLC)) channel = (p->flags & AHC_CHNLB) ? " Channel B" : " Channel C"; } if (p->features & AHC_WIDE) wide = "Wide "; if (p->features & AHC_ULTRA3) { switch(p->chip & AHC_CHIPID_MASK) { case AHC_AIC7892: case AHC_AIC7899: ultra = "Ultra-160/m LVD/SE "; break; default: ultra = "Ultra-3 LVD/SE "; break; } } else if (p->features & AHC_ULTRA2) ultra = "Ultra-2 LVD/SE "; else if (p->features & AHC_ULTRA) ultra = "Ultra "; size += sprintf(BLS, " %s%sController%s ", ultra, wide, channel); } switch(p->chip & ~AHC_CHIPID_MASK) { case AHC_VL: size += sprintf(BLS, "at VLB slot %d\n", p->pci_device_fn); break; case AHC_EISA: size += sprintf(BLS, "at EISA slot %d\n", p->pci_device_fn); break; default: size += sprintf(BLS, "at PCI %d/%d/%d\n", p->pci_bus, PCI_SLOT(p->pci_device_fn), PCI_FUNC(p->pci_device_fn)); break; } if( !(p->maddr) ) { size += sprintf(BLS, " Programmed I/O Base: %lx\n", p->base); } else { size += sprintf(BLS, " PCI MMAPed I/O Base: 0x%lx\n", p->mbase); } if( (p->chip & (AHC_VL | AHC_EISA)) ) { size += sprintf(BLS, " BIOS Memory Address: 0x%08x\n", p->bios_address); } size += sprintf(BLS, " Adapter SEEPROM Config: %s\n", (p->flags & AHC_SEEPROM_FOUND) ? "SEEPROM found and used." : ((p->flags & AHC_USEDEFAULTS) ? "SEEPROM not found, using defaults." : "SEEPROM not found, using leftover BIOS values.") ); size += sprintf(BLS, " Adaptec SCSI BIOS: %s\n", (p->flags & AHC_BIOS_ENABLED) ? "Enabled" : "Disabled"); size += sprintf(BLS, " IRQ: %d\n", HBAptr->irq); size += sprintf(BLS, " SCBs: Active %d, Max Active %d,\n", p->activescbs, p->max_activescbs); size += sprintf(BLS, " Allocated %d, HW %d, " "Page %d\n", p->scb_data->numscbs, p->scb_data->maxhscbs, p->scb_data->maxscbs); if (p->flags & AHC_EXTERNAL_SRAM) size += sprintf(BLS, " Using External SCB SRAM\n"); size += sprintf(BLS, " Interrupts: %ld", p->isr_count); if (p->chip & AHC_EISA) { size += sprintf(BLS, " %s\n", (p->pause & IRQMS) ? "(Level Sensitive)" : "(Edge Triggered)"); } else { size += sprintf(BLS, "\n"); } size += sprintf(BLS, " BIOS Control Word: 0x%04x\n", p->bios_control); size += sprintf(BLS, " Adapter Control Word: 0x%04x\n", p->adapter_control); size += sprintf(BLS, " Extended Translation: %sabled\n", (p->flags & AHC_EXTEND_TRANS_A) ? "En" : "Dis"); size += sprintf(BLS, "Disconnect Enable Flags: 0x%04x\n", p->discenable); if (p->features & (AHC_ULTRA | AHC_ULTRA2)) { size += sprintf(BLS, " Ultra Enable Flags: 0x%04x\n", p->ultraenb); } size += sprintf(BLS, "Default Tag Queue Depth: %d\n", aic7xxx_default_queue_depth); size += sprintf(BLS, " Tagged Queue By Device array for aic7xxx host " "instance %d:\n", p->instance); size += sprintf(BLS, " {"); for(i=0; i < (MAX_TARGETS - 1); i++) size += sprintf(BLS, "%d,",aic7xxx_tag_info[p->instance].tag_commands[i]); size += sprintf(BLS, "%d}\n",aic7xxx_tag_info[p->instance].tag_commands[i]); size += sprintf(BLS, "\n"); size += sprintf(BLS, "Statistics:\n\n"); list_for_each_entry(aic_dev, &p->aic_devs, list) { sdptr = aic_dev->SDptr; tindex = sdptr->channel << 3 | sdptr->id; size += sprintf(BLS, "(scsi%d:%d:%d:%d)\n", p->host_no, sdptr->channel, sdptr->id, sdptr->lun); size += sprintf(BLS, " Device using %s/%s", (aic_dev->cur.width == MSG_EXT_WDTR_BUS_16_BIT) ? "Wide" : "Narrow", (aic_dev->cur.offset != 0) ? "Sync transfers at " : "Async transfers.\n" ); if (aic_dev->cur.offset != 0) { struct aic7xxx_syncrate *sync_rate; unsigned char options = aic_dev->cur.options; int period = aic_dev->cur.period; int rate = (aic_dev->cur.width == MSG_EXT_WDTR_BUS_16_BIT) ? 1 : 0; sync_rate = aic7xxx_find_syncrate(p, &period, 0, &options); if (sync_rate != NULL) { size += sprintf(BLS, "%s MByte/sec, offset %d\n", sync_rate->rate[rate], aic_dev->cur.offset ); } else { size += sprintf(BLS, "3.3 MByte/sec, offset %d\n", aic_dev->cur.offset ); } } size += sprintf(BLS, " Transinfo settings: "); size += sprintf(BLS, "current(%d/%d/%d/%d), ", aic_dev->cur.period, aic_dev->cur.offset, aic_dev->cur.width, aic_dev->cur.options); size += sprintf(BLS, "goal(%d/%d/%d/%d), ", aic_dev->goal.period, aic_dev->goal.offset, aic_dev->goal.width, aic_dev->goal.options); size += sprintf(BLS, "user(%d/%d/%d/%d)\n", p->user[tindex].period, p->user[tindex].offset, p->user[tindex].width, p->user[tindex].options); if(sdptr->simple_tags) { size += sprintf(BLS, " Tagged Command Queueing Enabled, Ordered Tags %s, Depth %d/%d\n", sdptr->ordered_tags ? "Enabled" : "Disabled", sdptr->queue_depth, aic_dev->max_q_depth); } if(aic_dev->barrier_total) size += sprintf(BLS, " Total transfers %ld:\n (%ld/%ld/%ld/%ld reads/writes/REQ_BARRIER/Ordered Tags)\n", aic_dev->r_total+aic_dev->w_total, aic_dev->r_total, aic_dev->w_total, aic_dev->barrier_total, aic_dev->ordered_total); else size += sprintf(BLS, " Total transfers %ld:\n (%ld/%ld reads/writes)\n", aic_dev->r_total+aic_dev->w_total, aic_dev->r_total, aic_dev->w_total); size += sprintf(BLS, "%s\n", HDRB); size += sprintf(BLS, " Reads:"); for (i = 0; i < ARRAY_SIZE(aic_dev->r_bins); i++) { size += sprintf(BLS, " %10ld", aic_dev->r_bins[i]); } size += sprintf(BLS, "\n"); size += sprintf(BLS, " Writes:"); for (i = 0; i < ARRAY_SIZE(aic_dev->w_bins); i++) { size += sprintf(BLS, " %10ld", aic_dev->w_bins[i]); } size += sprintf(BLS, "\n"); size += sprintf(BLS, "\n\n"); } if (size >= aic7xxx_buffer_size) { printk(KERN_WARNING "aic7xxx: Overflow in aic7xxx_proc.c\n"); } if (offset > size - 1) { kfree(aic7xxx_buffer); aic7xxx_buffer = NULL; aic7xxx_buffer_size = length = 0; *start = NULL; } else { *start = buffer; length = min_t(int, length, size - offset); memcpy(buffer, &aic7xxx_buffer[offset], length); } return (length); } /* * Overrides for Emacs so that we follow Linus's tabbing style. * Emacs will notice this stuff at the end of the file and automatically * adjust the settings for this buffer only. This must remain at the end * of the file. * --------------------------------------------------------------------------- * Local variables: * c-indent-level: 2 * c-brace-imaginary-offset: 0 * c-brace-offset: -2 * c-argdecl-indent: 2 * c-label-offset: -2 * c-continued-statement-offset: 2 * c-continued-brace-offset: 0 * indent-tabs-mode: nil * tab-width: 8 * End: */ |