Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | |
| 2 | /* |
| 3 | |
| 4 | Linux Driver for BusLogic MultiMaster and FlashPoint SCSI Host Adapters |
| 5 | |
| 6 | Copyright 1995-1998 by Leonard N. Zubkoff <lnz@dandelion.com> |
| 7 | |
| 8 | This program is free software; you may redistribute and/or modify it under |
| 9 | the terms of the GNU General Public License Version 2 as published by the |
| 10 | Free Software Foundation. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, but |
| 13 | WITHOUT ANY WARRANTY, without even the implied warranty of MERCHANTABILITY |
| 14 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 15 | for complete details. |
| 16 | |
| 17 | The author respectfully requests that any modifications to this software be |
| 18 | sent directly to him for evaluation and testing. |
| 19 | |
| 20 | Special thanks to Wayne Yen, Jin-Lon Hon, and Alex Win of BusLogic, whose |
| 21 | advice has been invaluable, to David Gentzel, for writing the original Linux |
| 22 | BusLogic driver, and to Paul Gortmaker, for being such a dedicated test site. |
| 23 | |
| 24 | Finally, special thanks to Mylex/BusLogic for making the FlashPoint SCCB |
| 25 | Manager available as freely redistributable source code. |
| 26 | |
| 27 | */ |
| 28 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 29 | #define blogic_drvr_version "2.1.16" |
| 30 | #define blogic_drvr_date "18 July 2002" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 32 | #include <linux/module.h> |
| 33 | #include <linux/init.h> |
| 34 | #include <linux/interrupt.h> |
| 35 | #include <linux/types.h> |
| 36 | #include <linux/blkdev.h> |
| 37 | #include <linux/delay.h> |
| 38 | #include <linux/ioport.h> |
| 39 | #include <linux/mm.h> |
| 40 | #include <linux/stat.h> |
| 41 | #include <linux/pci.h> |
| 42 | #include <linux/spinlock.h> |
Marcelo Feitoza Parisi | 60c904a | 2006-03-28 01:56:47 -0800 | [diff] [blame] | 43 | #include <linux/jiffies.h> |
Matthias Gehre | 910638a | 2006-03-28 01:56:48 -0800 | [diff] [blame] | 44 | #include <linux/dma-mapping.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 45 | #include <linux/slab.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 46 | #include <scsi/scsicam.h> |
| 47 | |
| 48 | #include <asm/dma.h> |
| 49 | #include <asm/io.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | |
| 51 | #include <scsi/scsi.h> |
| 52 | #include <scsi/scsi_cmnd.h> |
| 53 | #include <scsi/scsi_device.h> |
| 54 | #include <scsi/scsi_host.h> |
| 55 | #include <scsi/scsi_tcq.h> |
| 56 | #include "BusLogic.h" |
| 57 | #include "FlashPoint.c" |
| 58 | |
| 59 | #ifndef FAILURE |
| 60 | #define FAILURE (-1) |
| 61 | #endif |
| 62 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 63 | static struct scsi_host_template blogic_template; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | |
| 65 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 66 | blogic_drvr_options_count is a count of the number of BusLogic Driver |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 67 | Options specifications provided via the Linux Kernel Command Line or via |
| 68 | the Loadable Kernel Module Installation Facility. |
| 69 | */ |
| 70 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 71 | static int blogic_drvr_options_count; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 72 | |
| 73 | |
| 74 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 75 | blogic_drvr_options is an array of Driver Options structures representing |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | BusLogic Driver Options specifications provided via the Linux Kernel Command |
| 77 | Line or via the Loadable Kernel Module Installation Facility. |
| 78 | */ |
| 79 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 80 | static struct blogic_drvr_options blogic_drvr_options[BLOGIC_MAX_ADAPTERS]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 81 | |
| 82 | |
| 83 | /* |
| 84 | BusLogic can be assigned a string by insmod. |
| 85 | */ |
| 86 | |
| 87 | MODULE_LICENSE("GPL"); |
| 88 | #ifdef MODULE |
| 89 | static char *BusLogic; |
| 90 | module_param(BusLogic, charp, 0); |
| 91 | #endif |
| 92 | |
| 93 | |
| 94 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 95 | blogic_probe_options is a set of Probe Options to be applied across |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 96 | all BusLogic Host Adapters. |
| 97 | */ |
| 98 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 99 | static struct blogic_probe_options blogic_probe_options; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 100 | |
| 101 | |
| 102 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 103 | blogic_global_options is a set of Global Options to be applied across |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 104 | all BusLogic Host Adapters. |
| 105 | */ |
| 106 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 107 | static struct blogic_global_options blogic_global_options; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 108 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 109 | static LIST_HEAD(blogic_host_list); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 110 | |
| 111 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 112 | blogic_probeinfo_count is the number of entries in blogic_probeinfo_list. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 113 | */ |
| 114 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 115 | static int blogic_probeinfo_count; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 116 | |
| 117 | |
| 118 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 119 | blogic_probeinfo_list is the list of I/O Addresses and Bus Probe Information |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 120 | to be checked for potential BusLogic Host Adapters. It is initialized by |
| 121 | interrogating the PCI Configuration Space on PCI machines as well as from the |
| 122 | list of standard BusLogic I/O Addresses. |
| 123 | */ |
| 124 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 125 | static struct blogic_probeinfo *blogic_probeinfo_list; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 126 | |
| 127 | |
| 128 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 129 | blogic_cmd_failure_reason holds a string identifying the reason why a |
| 130 | call to blogic_cmd failed. It is only non-NULL when blogic_cmd |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 131 | returns a failure code. |
| 132 | */ |
| 133 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 134 | static char *blogic_cmd_failure_reason; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 135 | |
| 136 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 137 | blogic_announce_drvr announces the Driver Version and Date, Author's |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 138 | Name, Copyright Notice, and Electronic Mail Address. |
| 139 | */ |
| 140 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 141 | static void blogic_announce_drvr(struct blogic_adapter *adapter) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 142 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 143 | blogic_announce("***** BusLogic SCSI Driver Version " blogic_drvr_version " of " blogic_drvr_date " *****\n", adapter); |
| 144 | blogic_announce("Copyright 1995-1998 by Leonard N. Zubkoff " "<lnz@dandelion.com>\n", adapter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 145 | } |
| 146 | |
| 147 | |
| 148 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 149 | blogic_drvr_info returns the Host Adapter Name to identify this SCSI |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 150 | Driver and Host Adapter. |
| 151 | */ |
| 152 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 153 | static const char *blogic_drvr_info(struct Scsi_Host *host) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 154 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 155 | struct blogic_adapter *adapter = |
| 156 | (struct blogic_adapter *) host->hostdata; |
| 157 | return adapter->full_model; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 158 | } |
| 159 | |
| 160 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 161 | blogic_init_ccbs initializes a group of Command Control Blocks (CCBs) |
| 162 | for Host Adapter from the blk_size bytes located at blk_pointer. The newly |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 163 | created CCBs are added to Host Adapter's free list. |
| 164 | */ |
| 165 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 166 | static void blogic_init_ccbs(struct blogic_adapter *adapter, void *blk_pointer, |
| 167 | int blk_size, dma_addr_t blkp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 168 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 169 | struct blogic_ccb *ccb = (struct blogic_ccb *) blk_pointer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 170 | unsigned int offset = 0; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 171 | memset(blk_pointer, 0, blk_size); |
| 172 | ccb->allocgrp_head = blkp; |
| 173 | ccb->allocgrp_size = blk_size; |
| 174 | while ((blk_size -= sizeof(struct blogic_ccb)) >= 0) { |
| 175 | ccb->status = BLOGIC_CCB_FREE; |
| 176 | ccb->adapter = adapter; |
| 177 | ccb->dma_handle = (u32) blkp + offset; |
| 178 | if (blogic_flashpoint_type(adapter)) { |
| 179 | ccb->callback = blogic_qcompleted_ccb; |
| 180 | ccb->base_addr = adapter->fpinfo.base_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 181 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 182 | ccb->next = adapter->free_ccbs; |
| 183 | ccb->next_all = adapter->all_ccbs; |
| 184 | adapter->free_ccbs = ccb; |
| 185 | adapter->all_ccbs = ccb; |
| 186 | adapter->alloc_ccbs++; |
| 187 | ccb++; |
| 188 | offset += sizeof(struct blogic_ccb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 189 | } |
| 190 | } |
| 191 | |
| 192 | |
| 193 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 194 | blogic_create_initccbs allocates the initial CCBs for Host Adapter. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 195 | */ |
| 196 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 197 | static bool __init blogic_create_initccbs(struct blogic_adapter *adapter) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 198 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 199 | int blk_size = BLOGIC_CCB_GRP_ALLOCSIZE * sizeof(struct blogic_ccb); |
| 200 | void *blk_pointer; |
| 201 | dma_addr_t blkp; |
| 202 | |
| 203 | while (adapter->alloc_ccbs < adapter->initccbs) { |
| 204 | blk_pointer = pci_alloc_consistent(adapter->pci_device, |
| 205 | blk_size, &blkp); |
| 206 | if (blk_pointer == NULL) { |
| 207 | blogic_err("UNABLE TO ALLOCATE CCB GROUP - DETACHING\n", |
| 208 | adapter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 209 | return false; |
| 210 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 211 | blogic_init_ccbs(adapter, blk_pointer, blk_size, blkp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 212 | } |
| 213 | return true; |
| 214 | } |
| 215 | |
| 216 | |
| 217 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 218 | blogic_destroy_ccbs deallocates the CCBs for Host Adapter. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 219 | */ |
| 220 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 221 | static void blogic_destroy_ccbs(struct blogic_adapter *adapter) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 222 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 223 | struct blogic_ccb *next_ccb = adapter->all_ccbs, *ccb, *lastccb = NULL; |
| 224 | adapter->all_ccbs = NULL; |
| 225 | adapter->free_ccbs = NULL; |
| 226 | while ((ccb = next_ccb) != NULL) { |
| 227 | next_ccb = ccb->next_all; |
| 228 | if (ccb->allocgrp_head) { |
| 229 | if (lastccb) |
| 230 | pci_free_consistent(adapter->pci_device, |
| 231 | lastccb->allocgrp_size, lastccb, |
| 232 | lastccb->allocgrp_head); |
| 233 | lastccb = ccb; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 234 | } |
| 235 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 236 | if (lastccb) |
| 237 | pci_free_consistent(adapter->pci_device, lastccb->allocgrp_size, |
| 238 | lastccb, lastccb->allocgrp_head); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 239 | } |
| 240 | |
| 241 | |
| 242 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 243 | blogic_create_addlccbs allocates Additional CCBs for Host Adapter. If |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 244 | allocation fails and there are no remaining CCBs available, the Driver Queue |
| 245 | Depth is decreased to a known safe value to avoid potential deadlocks when |
| 246 | multiple host adapters share the same IRQ Channel. |
| 247 | */ |
| 248 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 249 | static void blogic_create_addlccbs(struct blogic_adapter *adapter, |
| 250 | int addl_ccbs, bool print_success) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 251 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 252 | int blk_size = BLOGIC_CCB_GRP_ALLOCSIZE * sizeof(struct blogic_ccb); |
| 253 | int prev_alloc = adapter->alloc_ccbs; |
| 254 | void *blk_pointer; |
| 255 | dma_addr_t blkp; |
| 256 | if (addl_ccbs <= 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 257 | return; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 258 | while (adapter->alloc_ccbs - prev_alloc < addl_ccbs) { |
| 259 | blk_pointer = pci_alloc_consistent(adapter->pci_device, |
| 260 | blk_size, &blkp); |
| 261 | if (blk_pointer == NULL) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 262 | break; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 263 | blogic_init_ccbs(adapter, blk_pointer, blk_size, blkp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 264 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 265 | if (adapter->alloc_ccbs > prev_alloc) { |
| 266 | if (print_success) |
| 267 | blogic_notice("Allocated %d additional CCBs (total now %d)\n", adapter, adapter->alloc_ccbs - prev_alloc, adapter->alloc_ccbs); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 268 | return; |
| 269 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 270 | blogic_notice("Failed to allocate additional CCBs\n", adapter); |
| 271 | if (adapter->drvr_qdepth > adapter->alloc_ccbs - adapter->tgt_count) { |
| 272 | adapter->drvr_qdepth = adapter->alloc_ccbs - adapter->tgt_count; |
| 273 | adapter->scsi_host->can_queue = adapter->drvr_qdepth; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 274 | } |
| 275 | } |
| 276 | |
| 277 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 278 | blogic_alloc_ccb allocates a CCB from Host Adapter's free list, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 279 | allocating more memory from the Kernel if necessary. The Host Adapter's |
| 280 | Lock should already have been acquired by the caller. |
| 281 | */ |
| 282 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 283 | static struct blogic_ccb *blogic_alloc_ccb(struct blogic_adapter *adapter) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 284 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 285 | static unsigned long serial; |
| 286 | struct blogic_ccb *ccb; |
| 287 | ccb = adapter->free_ccbs; |
| 288 | if (ccb != NULL) { |
| 289 | ccb->serial = ++serial; |
| 290 | adapter->free_ccbs = ccb->next; |
| 291 | ccb->next = NULL; |
| 292 | if (adapter->free_ccbs == NULL) |
| 293 | blogic_create_addlccbs(adapter, adapter->inc_ccbs, |
| 294 | true); |
| 295 | return ccb; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 296 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 297 | blogic_create_addlccbs(adapter, adapter->inc_ccbs, true); |
| 298 | ccb = adapter->free_ccbs; |
| 299 | if (ccb == NULL) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 300 | return NULL; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 301 | ccb->serial = ++serial; |
| 302 | adapter->free_ccbs = ccb->next; |
| 303 | ccb->next = NULL; |
| 304 | return ccb; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 305 | } |
| 306 | |
| 307 | |
| 308 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 309 | blogic_dealloc_ccb deallocates a CCB, returning it to the Host Adapter's |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 310 | free list. The Host Adapter's Lock should already have been acquired by the |
| 311 | caller. |
| 312 | */ |
| 313 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 314 | static void blogic_dealloc_ccb(struct blogic_ccb *ccb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 315 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 316 | struct blogic_adapter *adapter = ccb->adapter; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 317 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 318 | scsi_dma_unmap(ccb->command); |
| 319 | pci_unmap_single(adapter->pci_device, ccb->sensedata, |
| 320 | ccb->sense_datalen, PCI_DMA_FROMDEVICE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 321 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 322 | ccb->command = NULL; |
| 323 | ccb->status = BLOGIC_CCB_FREE; |
| 324 | ccb->next = adapter->free_ccbs; |
| 325 | adapter->free_ccbs = ccb; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 326 | } |
| 327 | |
| 328 | |
| 329 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 330 | blogic_cmd sends the command opcode to adapter, optionally |
| 331 | providing paramlen bytes of param and receiving at most |
| 332 | replylen bytes of reply; any excess reply data is received but |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 333 | discarded. |
| 334 | |
| 335 | On success, this function returns the number of reply bytes read from |
| 336 | the Host Adapter (including any discarded data); on failure, it returns |
| 337 | -1 if the command was invalid, or -2 if a timeout occurred. |
| 338 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 339 | blogic_cmd is called exclusively during host adapter detection and |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 340 | initialization, so performance and latency are not critical, and exclusive |
| 341 | access to the Host Adapter hardware is assumed. Once the host adapter and |
| 342 | driver are initialized, the only Host Adapter command that is issued is the |
| 343 | single byte Execute Mailbox Command operation code, which does not require |
| 344 | waiting for the Host Adapter Ready bit to be set in the Status Register. |
| 345 | */ |
| 346 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 347 | static int blogic_cmd(struct blogic_adapter *adapter, enum blogic_opcode opcode, |
| 348 | void *param, int paramlen, void *reply, int replylen) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 349 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 350 | unsigned char *param_p = (unsigned char *) param; |
| 351 | unsigned char *reply_p = (unsigned char *) reply; |
| 352 | union blogic_stat_reg statusreg; |
| 353 | union blogic_int_reg intreg; |
| 354 | unsigned long processor_flag = 0; |
| 355 | int reply_b = 0, result; |
| 356 | long timeout; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 357 | /* |
| 358 | Clear out the Reply Data if provided. |
| 359 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 360 | if (replylen > 0) |
| 361 | memset(reply, 0, replylen); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 362 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 363 | If the IRQ Channel has not yet been acquired, then interrupts |
| 364 | must be disabled while issuing host adapter commands since a |
| 365 | Command Complete interrupt could occur if the IRQ Channel was |
| 366 | previously enabled by another BusLogic Host Adapter or another |
| 367 | driver sharing the same IRQ Channel. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 368 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 369 | if (!adapter->irq_acquired) |
| 370 | local_irq_save(processor_flag); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 371 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 372 | Wait for the Host Adapter Ready bit to be set and the |
| 373 | Command/Parameter Register Busy bit to be reset in the Status |
| 374 | Register. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 375 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 376 | timeout = 10000; |
| 377 | while (--timeout >= 0) { |
| 378 | statusreg.all = blogic_rdstatus(adapter); |
| 379 | if (statusreg.sr.adapter_ready && !statusreg.sr.cmd_param_busy) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 380 | break; |
| 381 | udelay(100); |
| 382 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 383 | if (timeout < 0) { |
| 384 | blogic_cmd_failure_reason = |
| 385 | "Timeout waiting for Host Adapter Ready"; |
| 386 | result = -2; |
| 387 | goto done; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 388 | } |
| 389 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 390 | Write the opcode to the Command/Parameter Register. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 391 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 392 | adapter->adapter_cmd_complete = false; |
| 393 | blogic_setcmdparam(adapter, opcode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 394 | /* |
| 395 | Write any additional Parameter Bytes. |
| 396 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 397 | timeout = 10000; |
| 398 | while (paramlen > 0 && --timeout >= 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 399 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 400 | Wait 100 microseconds to give the Host Adapter enough |
| 401 | time to determine whether the last value written to the |
| 402 | Command/Parameter Register was valid or not. If the |
| 403 | Command Complete bit is set in the Interrupt Register, |
| 404 | then the Command Invalid bit in the Status Register will |
| 405 | be reset if the Operation Code or Parameter was valid |
| 406 | and the command has completed, or set if the Operation |
| 407 | Code or Parameter was invalid. If the Data In Register |
| 408 | Ready bit is set in the Status Register, then the |
| 409 | Operation Code was valid, and data is waiting to be read |
| 410 | back from the Host Adapter. Otherwise, wait for the |
| 411 | Command/Parameter Register Busy bit in the Status |
| 412 | Register to be reset. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 413 | */ |
| 414 | udelay(100); |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 415 | intreg.all = blogic_rdint(adapter); |
| 416 | statusreg.all = blogic_rdstatus(adapter); |
| 417 | if (intreg.ir.cmd_complete) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 418 | break; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 419 | if (adapter->adapter_cmd_complete) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 420 | break; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 421 | if (statusreg.sr.datain_ready) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 422 | break; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 423 | if (statusreg.sr.cmd_param_busy) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 424 | continue; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 425 | blogic_setcmdparam(adapter, *param_p++); |
| 426 | paramlen--; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 427 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 428 | if (timeout < 0) { |
| 429 | blogic_cmd_failure_reason = |
| 430 | "Timeout waiting for Parameter Acceptance"; |
| 431 | result = -2; |
| 432 | goto done; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 433 | } |
| 434 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 435 | The Modify I/O Address command does not cause a Command Complete |
| 436 | Interrupt. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 437 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 438 | if (opcode == BLOGIC_MOD_IOADDR) { |
| 439 | statusreg.all = blogic_rdstatus(adapter); |
| 440 | if (statusreg.sr.cmd_invalid) { |
| 441 | blogic_cmd_failure_reason = |
| 442 | "Modify I/O Address Invalid"; |
| 443 | result = -1; |
| 444 | goto done; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 445 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 446 | if (blogic_global_options.trace_config) |
| 447 | blogic_notice("blogic_cmd(%02X) Status = %02X: " "(Modify I/O Address)\n", adapter, opcode, statusreg.all); |
| 448 | result = 0; |
| 449 | goto done; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 450 | } |
| 451 | /* |
| 452 | Select an appropriate timeout value for awaiting command completion. |
| 453 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 454 | switch (opcode) { |
| 455 | case BLOGIC_INQ_DEV0TO7: |
| 456 | case BLOGIC_INQ_DEV8TO15: |
| 457 | case BLOGIC_INQ_DEV: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 458 | /* Approximately 60 seconds. */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 459 | timeout = 60 * 10000; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 460 | break; |
| 461 | default: |
| 462 | /* Approximately 1 second. */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 463 | timeout = 10000; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 464 | break; |
| 465 | } |
| 466 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 467 | Receive any Reply Bytes, waiting for either the Command |
| 468 | Complete bit to be set in the Interrupt Register, or for the |
| 469 | Interrupt Handler to set the Host Adapter Command Completed |
| 470 | bit in the Host Adapter structure. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 471 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 472 | while (--timeout >= 0) { |
| 473 | intreg.all = blogic_rdint(adapter); |
| 474 | statusreg.all = blogic_rdstatus(adapter); |
| 475 | if (intreg.ir.cmd_complete) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 476 | break; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 477 | if (adapter->adapter_cmd_complete) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 478 | break; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 479 | if (statusreg.sr.datain_ready) { |
| 480 | if (++reply_b <= replylen) |
| 481 | *reply_p++ = blogic_rddatain(adapter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 482 | else |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 483 | blogic_rddatain(adapter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 484 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 485 | if (opcode == BLOGIC_FETCH_LOCALRAM && |
| 486 | statusreg.sr.adapter_ready) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 487 | break; |
| 488 | udelay(100); |
| 489 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 490 | if (timeout < 0) { |
| 491 | blogic_cmd_failure_reason = |
| 492 | "Timeout waiting for Command Complete"; |
| 493 | result = -2; |
| 494 | goto done; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 495 | } |
| 496 | /* |
| 497 | Clear any pending Command Complete Interrupt. |
| 498 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 499 | blogic_intreset(adapter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 500 | /* |
| 501 | Provide tracing information if requested. |
| 502 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 503 | if (blogic_global_options.trace_config) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 504 | int i; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 505 | blogic_notice("blogic_cmd(%02X) Status = %02X: %2d ==> %2d:", |
| 506 | adapter, opcode, statusreg.all, replylen, |
| 507 | reply_b); |
| 508 | if (replylen > reply_b) |
| 509 | replylen = reply_b; |
| 510 | for (i = 0; i < replylen; i++) |
| 511 | blogic_notice(" %02X", adapter, |
| 512 | ((unsigned char *) reply)[i]); |
| 513 | blogic_notice("\n", adapter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 514 | } |
| 515 | /* |
| 516 | Process Command Invalid conditions. |
| 517 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 518 | if (statusreg.sr.cmd_invalid) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 519 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 520 | Some early BusLogic Host Adapters may not recover |
| 521 | properly from a Command Invalid condition, so if this |
| 522 | appears to be the case, a Soft Reset is issued to the |
| 523 | Host Adapter. Potentially invalid commands are never |
| 524 | attempted after Mailbox Initialization is performed, |
| 525 | so there should be no Host Adapter state lost by a |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 526 | Soft Reset in response to a Command Invalid condition. |
| 527 | */ |
| 528 | udelay(1000); |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 529 | statusreg.all = blogic_rdstatus(adapter); |
| 530 | if (statusreg.sr.cmd_invalid || statusreg.sr.rsvd || |
| 531 | statusreg.sr.datain_ready || |
| 532 | statusreg.sr.cmd_param_busy || |
| 533 | !statusreg.sr.adapter_ready || |
| 534 | !statusreg.sr.init_reqd || |
| 535 | statusreg.sr.diag_active || |
| 536 | statusreg.sr.diag_failed) { |
| 537 | blogic_softreset(adapter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 538 | udelay(1000); |
| 539 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 540 | blogic_cmd_failure_reason = "Command Invalid"; |
| 541 | result = -1; |
| 542 | goto done; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 543 | } |
| 544 | /* |
| 545 | Handle Excess Parameters Supplied conditions. |
| 546 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 547 | if (paramlen > 0) { |
| 548 | blogic_cmd_failure_reason = "Excess Parameters Supplied"; |
| 549 | result = -1; |
| 550 | goto done; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 551 | } |
| 552 | /* |
| 553 | Indicate the command completed successfully. |
| 554 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 555 | blogic_cmd_failure_reason = NULL; |
| 556 | result = reply_b; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 557 | /* |
| 558 | Restore the interrupt status if necessary and return. |
| 559 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 560 | done: |
| 561 | if (!adapter->irq_acquired) |
| 562 | local_irq_restore(processor_flag); |
| 563 | return result; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 564 | } |
| 565 | |
| 566 | |
| 567 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 568 | blogic_add_probeaddr_isa appends a single ISA I/O Address to the list |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 569 | of I/O Address and Bus Probe Information to be checked for potential BusLogic |
| 570 | Host Adapters. |
| 571 | */ |
| 572 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 573 | static void __init blogic_add_probeaddr_isa(unsigned long io_addr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 574 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 575 | struct blogic_probeinfo *probeinfo; |
| 576 | if (blogic_probeinfo_count >= BLOGIC_MAX_ADAPTERS) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 577 | return; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 578 | probeinfo = &blogic_probeinfo_list[blogic_probeinfo_count++]; |
| 579 | probeinfo->adapter_type = BLOGIC_MULTIMASTER; |
| 580 | probeinfo->adapter_bus_type = BLOGIC_ISA_BUS; |
| 581 | probeinfo->io_addr = io_addr; |
| 582 | probeinfo->pci_device = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 583 | } |
| 584 | |
| 585 | |
| 586 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 587 | blogic_init_probeinfo_isa initializes the list of I/O Address and |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 588 | Bus Probe Information to be checked for potential BusLogic SCSI Host Adapters |
| 589 | only from the list of standard BusLogic MultiMaster ISA I/O Addresses. |
| 590 | */ |
| 591 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 592 | static void __init blogic_init_probeinfo_isa(struct blogic_adapter *adapter) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 593 | { |
| 594 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 595 | If BusLogic Driver Options specifications requested that ISA |
| 596 | Bus Probes be inhibited, do not proceed further. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 597 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 598 | if (blogic_probe_options.noprobe_isa) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 599 | return; |
| 600 | /* |
| 601 | Append the list of standard BusLogic MultiMaster ISA I/O Addresses. |
| 602 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 603 | if (!blogic_probe_options.limited_isa || blogic_probe_options.probe330) |
| 604 | blogic_add_probeaddr_isa(0x330); |
| 605 | if (!blogic_probe_options.limited_isa || blogic_probe_options.probe334) |
| 606 | blogic_add_probeaddr_isa(0x334); |
| 607 | if (!blogic_probe_options.limited_isa || blogic_probe_options.probe230) |
| 608 | blogic_add_probeaddr_isa(0x230); |
| 609 | if (!blogic_probe_options.limited_isa || blogic_probe_options.probe234) |
| 610 | blogic_add_probeaddr_isa(0x234); |
| 611 | if (!blogic_probe_options.limited_isa || blogic_probe_options.probe130) |
| 612 | blogic_add_probeaddr_isa(0x130); |
| 613 | if (!blogic_probe_options.limited_isa || blogic_probe_options.probe134) |
| 614 | blogic_add_probeaddr_isa(0x134); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 615 | } |
| 616 | |
| 617 | |
| 618 | #ifdef CONFIG_PCI |
| 619 | |
| 620 | |
| 621 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 622 | blogic_sort_probeinfo sorts a section of blogic_probeinfo_list in order |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 623 | of increasing PCI Bus and Device Number. |
| 624 | */ |
| 625 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 626 | static void __init blogic_sort_probeinfo(struct blogic_probeinfo |
| 627 | *probeinfo_list, int probeinfo_cnt) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 628 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 629 | int last_exchange = probeinfo_cnt - 1, bound, j; |
| 630 | |
| 631 | while (last_exchange > 0) { |
| 632 | bound = last_exchange; |
| 633 | last_exchange = 0; |
| 634 | for (j = 0; j < bound; j++) { |
| 635 | struct blogic_probeinfo *probeinfo1 = |
| 636 | &probeinfo_list[j]; |
| 637 | struct blogic_probeinfo *probeinfo2 = |
| 638 | &probeinfo_list[j + 1]; |
| 639 | if (probeinfo1->bus > probeinfo2->bus || |
| 640 | (probeinfo1->bus == probeinfo2->bus && |
| 641 | (probeinfo1->dev > probeinfo2->dev))) { |
| 642 | struct blogic_probeinfo tmp_probeinfo; |
| 643 | |
| 644 | memcpy(&tmp_probeinfo, probeinfo1, |
| 645 | sizeof(struct blogic_probeinfo)); |
| 646 | memcpy(probeinfo1, probeinfo2, |
| 647 | sizeof(struct blogic_probeinfo)); |
| 648 | memcpy(probeinfo2, &tmp_probeinfo, |
| 649 | sizeof(struct blogic_probeinfo)); |
| 650 | last_exchange = j; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 651 | } |
| 652 | } |
| 653 | } |
| 654 | } |
| 655 | |
| 656 | |
| 657 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 658 | blogic_init_mm_probeinfo initializes the list of I/O Address |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 659 | and Bus Probe Information to be checked for potential BusLogic MultiMaster |
| 660 | SCSI Host Adapters by interrogating the PCI Configuration Space on PCI |
| 661 | machines as well as from the list of standard BusLogic MultiMaster ISA |
| 662 | I/O Addresses. It returns the number of PCI MultiMaster Host Adapters found. |
| 663 | */ |
| 664 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 665 | static int __init blogic_init_mm_probeinfo(struct blogic_adapter *adapter) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 666 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 667 | struct blogic_probeinfo *pr_probeinfo = |
| 668 | &blogic_probeinfo_list[blogic_probeinfo_count]; |
| 669 | int nonpr_mmindex = blogic_probeinfo_count + 1; |
| 670 | int nonpr_mmcount = 0, mmcount = 0; |
| 671 | bool force_scan_order = false; |
| 672 | bool force_scan_order_checked = false; |
| 673 | bool addr_seen[6]; |
| 674 | struct pci_dev *pci_device = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 675 | int i; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 676 | if (blogic_probeinfo_count >= BLOGIC_MAX_ADAPTERS) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 677 | return 0; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 678 | blogic_probeinfo_count++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 679 | for (i = 0; i < 6; i++) |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 680 | addr_seen[i] = false; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 681 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 682 | Iterate over the MultiMaster PCI Host Adapters. For each |
| 683 | enumerated host adapter, determine whether its ISA Compatible |
| 684 | I/O Port is enabled and if so, whether it is assigned the |
| 685 | Primary I/O Address. A host adapter that is assigned the |
| 686 | Primary I/O Address will always be the preferred boot device. |
| 687 | The MultiMaster BIOS will first recognize a host adapter at |
| 688 | the Primary I/O Address, then any other PCI host adapters, |
| 689 | and finally any host adapters located at the remaining |
| 690 | standard ISA I/O Addresses. When a PCI host adapter is found |
| 691 | with its ISA Compatible I/O Port enabled, a command is issued |
| 692 | to disable the ISA Compatible I/O Port, and it is noted that the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 693 | particular standard ISA I/O Address need not be probed. |
| 694 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 695 | pr_probeinfo->io_addr = 0; |
| 696 | while ((pci_device = pci_get_device(PCI_VENDOR_ID_BUSLOGIC, |
| 697 | PCI_DEVICE_ID_BUSLOGIC_MULTIMASTER, |
| 698 | pci_device)) != NULL) { |
| 699 | struct blogic_adapter *adapter = adapter; |
| 700 | struct blogic_adapter_info adapter_info; |
| 701 | enum blogic_isa_ioport mod_ioaddr_req; |
| 702 | unsigned char bus; |
| 703 | unsigned char device; |
| 704 | unsigned int irq_ch; |
| 705 | unsigned long base_addr0; |
| 706 | unsigned long base_addr1; |
| 707 | unsigned long io_addr; |
| 708 | unsigned long pci_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 709 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 710 | if (pci_enable_device(pci_device)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 711 | continue; |
| 712 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 713 | if (pci_set_dma_mask(pci_device, DMA_BIT_MASK(32))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 714 | continue; |
| 715 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 716 | bus = pci_device->bus->number; |
| 717 | device = pci_device->devfn >> 3; |
| 718 | irq_ch = pci_device->irq; |
| 719 | io_addr = base_addr0 = pci_resource_start(pci_device, 0); |
| 720 | pci_addr = base_addr1 = pci_resource_start(pci_device, 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 721 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 722 | if (pci_resource_flags(pci_device, 0) & IORESOURCE_MEM) { |
| 723 | blogic_err("BusLogic: Base Address0 0x%X not I/O for " "MultiMaster Host Adapter\n", NULL, base_addr0); |
| 724 | blogic_err("at PCI Bus %d Device %d I/O Address 0x%X\n", NULL, bus, device, io_addr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 725 | continue; |
| 726 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 727 | if (pci_resource_flags(pci_device, 1) & IORESOURCE_IO) { |
| 728 | blogic_err("BusLogic: Base Address1 0x%X not Memory for " "MultiMaster Host Adapter\n", NULL, base_addr1); |
| 729 | blogic_err("at PCI Bus %d Device %d PCI Address 0x%X\n", NULL, bus, device, pci_addr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 730 | continue; |
| 731 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 732 | if (irq_ch == 0) { |
| 733 | blogic_err("BusLogic: IRQ Channel %d invalid for " "MultiMaster Host Adapter\n", NULL, irq_ch); |
| 734 | blogic_err("at PCI Bus %d Device %d I/O Address 0x%X\n", NULL, bus, device, io_addr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 735 | continue; |
| 736 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 737 | if (blogic_global_options.trace_probe) { |
| 738 | blogic_notice("BusLogic: PCI MultiMaster Host Adapter " "detected at\n", NULL); |
| 739 | blogic_notice("BusLogic: PCI Bus %d Device %d I/O Address " "0x%X PCI Address 0x%X\n", NULL, bus, device, io_addr, pci_addr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 740 | } |
| 741 | /* |
| 742 | Issue the Inquire PCI Host Adapter Information command to determine |
| 743 | the ISA Compatible I/O Port. If the ISA Compatible I/O Port is |
| 744 | known and enabled, note that the particular Standard ISA I/O |
| 745 | Address should not be probed. |
| 746 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 747 | adapter->io_addr = io_addr; |
| 748 | blogic_intreset(adapter); |
| 749 | if (blogic_cmd(adapter, BLOGIC_INQ_PCI_INFO, NULL, 0, |
| 750 | &adapter_info, sizeof(adapter_info)) == |
| 751 | sizeof(adapter_info)) { |
| 752 | if (adapter_info.isa_port < 6) |
| 753 | addr_seen[adapter_info.isa_port] = true; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 754 | } else |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 755 | adapter_info.isa_port = BLOGIC_IO_DISABLE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 756 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 757 | Issue the Modify I/O Address command to disable the |
| 758 | ISA Compatible I/O Port. On PCI Host Adapters, the |
| 759 | Modify I/O Address command allows modification of the |
| 760 | ISA compatible I/O Address that the Host Adapter |
| 761 | responds to; it does not affect the PCI compliant |
| 762 | I/O Address assigned at system initialization. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 763 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 764 | mod_ioaddr_req = BLOGIC_IO_DISABLE; |
| 765 | blogic_cmd(adapter, BLOGIC_MOD_IOADDR, &mod_ioaddr_req, |
| 766 | sizeof(mod_ioaddr_req), NULL, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 767 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 768 | For the first MultiMaster Host Adapter enumerated, |
| 769 | issue the Fetch Host Adapter Local RAM command to read |
| 770 | byte 45 of the AutoSCSI area, for the setting of the |
| 771 | "Use Bus And Device # For PCI Scanning Seq." option. |
| 772 | Issue the Inquire Board ID command since this option is |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 773 | only valid for the BT-948/958/958D. |
| 774 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 775 | if (!force_scan_order_checked) { |
| 776 | struct blogic_fetch_localram fetch_localram; |
| 777 | struct blogic_autoscsi_byte45 autoscsi_byte45; |
| 778 | struct blogic_board_id id; |
| 779 | |
| 780 | fetch_localram.offset = BLOGIC_AUTOSCSI_BASE + 45; |
| 781 | fetch_localram.count = sizeof(autoscsi_byte45); |
| 782 | blogic_cmd(adapter, BLOGIC_FETCH_LOCALRAM, |
| 783 | &fetch_localram, sizeof(fetch_localram), |
| 784 | &autoscsi_byte45, |
| 785 | sizeof(autoscsi_byte45)); |
| 786 | blogic_cmd(adapter, BLOGIC_GET_BOARD_ID, NULL, 0, &id, |
| 787 | sizeof(id)); |
| 788 | if (id.fw_ver_digit1 == '5') |
| 789 | force_scan_order = |
| 790 | autoscsi_byte45.force_scan_order; |
| 791 | force_scan_order_checked = true; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 792 | } |
| 793 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 794 | Determine whether this MultiMaster Host Adapter has its |
| 795 | ISA Compatible I/O Port enabled and is assigned the |
| 796 | Primary I/O Address. If it does, then it is the Primary |
| 797 | MultiMaster Host Adapter and must be recognized first. |
| 798 | If it does not, then it is added to the list for probing |
| 799 | after any Primary MultiMaster Host Adapter is probed. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 800 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 801 | if (adapter_info.isa_port == BLOGIC_IO_330) { |
| 802 | pr_probeinfo->adapter_type = BLOGIC_MULTIMASTER; |
| 803 | pr_probeinfo->adapter_bus_type = BLOGIC_PCI_BUS; |
| 804 | pr_probeinfo->io_addr = io_addr; |
| 805 | pr_probeinfo->pci_addr = pci_addr; |
| 806 | pr_probeinfo->bus = bus; |
| 807 | pr_probeinfo->dev = device; |
| 808 | pr_probeinfo->irq_ch = irq_ch; |
| 809 | pr_probeinfo->pci_device = pci_dev_get(pci_device); |
| 810 | mmcount++; |
| 811 | } else if (blogic_probeinfo_count < BLOGIC_MAX_ADAPTERS) { |
| 812 | struct blogic_probeinfo *probeinfo = |
| 813 | &blogic_probeinfo_list[blogic_probeinfo_count++]; |
| 814 | probeinfo->adapter_type = BLOGIC_MULTIMASTER; |
| 815 | probeinfo->adapter_bus_type = BLOGIC_PCI_BUS; |
| 816 | probeinfo->io_addr = io_addr; |
| 817 | probeinfo->pci_addr = pci_addr; |
| 818 | probeinfo->bus = bus; |
| 819 | probeinfo->dev = device; |
| 820 | probeinfo->irq_ch = irq_ch; |
| 821 | probeinfo->pci_device = pci_dev_get(pci_device); |
| 822 | nonpr_mmcount++; |
| 823 | mmcount++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 824 | } else |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 825 | blogic_warn("BusLogic: Too many Host Adapters " "detected\n", NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 826 | } |
| 827 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 828 | If the AutoSCSI "Use Bus And Device # For PCI Scanning Seq." |
| 829 | option is ON for the first enumerated MultiMaster Host Adapter, |
| 830 | and if that host adapter is a BT-948/958/958D, then the |
| 831 | MultiMaster BIOS will recognize MultiMaster Host Adapters in |
| 832 | the order of increasing PCI Bus and Device Number. In that case, |
| 833 | sort the probe information into the same order the BIOS uses. |
| 834 | If this option is OFF, then the MultiMaster BIOS will recognize |
| 835 | MultiMaster Host Adapters in the order they are enumerated by |
| 836 | the PCI BIOS, and hence no sorting is necessary. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 837 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 838 | if (force_scan_order) |
| 839 | blogic_sort_probeinfo(&blogic_probeinfo_list[nonpr_mmindex], |
| 840 | nonpr_mmcount); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 841 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 842 | If no PCI MultiMaster Host Adapter is assigned the Primary |
| 843 | I/O Address, then the Primary I/O Address must be probed |
| 844 | explicitly before any PCI host adapters are probed. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 845 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 846 | if (!blogic_probe_options.noprobe_isa) |
| 847 | if (pr_probeinfo->io_addr == 0 && |
| 848 | (!blogic_probe_options.limited_isa || |
| 849 | blogic_probe_options.probe330)) { |
| 850 | pr_probeinfo->adapter_type = BLOGIC_MULTIMASTER; |
| 851 | pr_probeinfo->adapter_bus_type = BLOGIC_ISA_BUS; |
| 852 | pr_probeinfo->io_addr = 0x330; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 853 | } |
| 854 | /* |
| 855 | Append the list of standard BusLogic MultiMaster ISA I/O Addresses, |
| 856 | omitting the Primary I/O Address which has already been handled. |
| 857 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 858 | if (!blogic_probe_options.noprobe_isa) { |
| 859 | if (!addr_seen[1] && |
| 860 | (!blogic_probe_options.limited_isa || |
| 861 | blogic_probe_options.probe334)) |
| 862 | blogic_add_probeaddr_isa(0x334); |
| 863 | if (!addr_seen[2] && |
| 864 | (!blogic_probe_options.limited_isa || |
| 865 | blogic_probe_options.probe230)) |
| 866 | blogic_add_probeaddr_isa(0x230); |
| 867 | if (!addr_seen[3] && |
| 868 | (!blogic_probe_options.limited_isa || |
| 869 | blogic_probe_options.probe234)) |
| 870 | blogic_add_probeaddr_isa(0x234); |
| 871 | if (!addr_seen[4] && |
| 872 | (!blogic_probe_options.limited_isa || |
| 873 | blogic_probe_options.probe130)) |
| 874 | blogic_add_probeaddr_isa(0x130); |
| 875 | if (!addr_seen[5] && |
| 876 | (!blogic_probe_options.limited_isa || |
| 877 | blogic_probe_options.probe134)) |
| 878 | blogic_add_probeaddr_isa(0x134); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 879 | } |
| 880 | /* |
| 881 | Iterate over the older non-compliant MultiMaster PCI Host Adapters, |
| 882 | noting the PCI bus location and assigned IRQ Channel. |
| 883 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 884 | pci_device = NULL; |
| 885 | while ((pci_device = pci_get_device(PCI_VENDOR_ID_BUSLOGIC, |
| 886 | PCI_DEVICE_ID_BUSLOGIC_MULTIMASTER_NC, |
| 887 | pci_device)) != NULL) { |
| 888 | unsigned char bus; |
| 889 | unsigned char device; |
| 890 | unsigned int irq_ch; |
| 891 | unsigned long io_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 892 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 893 | if (pci_enable_device(pci_device)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 894 | continue; |
| 895 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 896 | if (pci_set_dma_mask(pci_device, DMA_BIT_MASK(32))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 897 | continue; |
| 898 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 899 | bus = pci_device->bus->number; |
| 900 | device = pci_device->devfn >> 3; |
| 901 | irq_ch = pci_device->irq; |
| 902 | io_addr = pci_resource_start(pci_device, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 903 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 904 | if (io_addr == 0 || irq_ch == 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 905 | continue; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 906 | for (i = 0; i < blogic_probeinfo_count; i++) { |
| 907 | struct blogic_probeinfo *probeinfo = |
| 908 | &blogic_probeinfo_list[i]; |
| 909 | if (probeinfo->io_addr == io_addr && |
| 910 | probeinfo->adapter_type == BLOGIC_MULTIMASTER) { |
| 911 | probeinfo->adapter_bus_type = BLOGIC_PCI_BUS; |
| 912 | probeinfo->pci_addr = 0; |
| 913 | probeinfo->bus = bus; |
| 914 | probeinfo->dev = device; |
| 915 | probeinfo->irq_ch = irq_ch; |
| 916 | probeinfo->pci_device = pci_dev_get(pci_device); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 917 | break; |
| 918 | } |
| 919 | } |
| 920 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 921 | return mmcount; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 922 | } |
| 923 | |
| 924 | |
| 925 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 926 | blogic_init_fp_probeinfo initializes the list of I/O Address |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 927 | and Bus Probe Information to be checked for potential BusLogic FlashPoint |
| 928 | Host Adapters by interrogating the PCI Configuration Space. It returns the |
| 929 | number of FlashPoint Host Adapters found. |
| 930 | */ |
| 931 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 932 | static int __init blogic_init_fp_probeinfo(struct blogic_adapter *adapter) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 933 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 934 | int fpindex = blogic_probeinfo_count, fpcount = 0; |
| 935 | struct pci_dev *pci_device = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 936 | /* |
| 937 | Interrogate PCI Configuration Space for any FlashPoint Host Adapters. |
| 938 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 939 | while ((pci_device = pci_get_device(PCI_VENDOR_ID_BUSLOGIC, |
| 940 | PCI_DEVICE_ID_BUSLOGIC_FLASHPOINT, |
| 941 | pci_device)) != NULL) { |
| 942 | unsigned char bus; |
| 943 | unsigned char device; |
| 944 | unsigned int irq_ch; |
| 945 | unsigned long base_addr0; |
| 946 | unsigned long base_addr1; |
| 947 | unsigned long io_addr; |
| 948 | unsigned long pci_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 949 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 950 | if (pci_enable_device(pci_device)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 951 | continue; |
| 952 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 953 | if (pci_set_dma_mask(pci_device, DMA_BIT_MASK(32))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 954 | continue; |
| 955 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 956 | bus = pci_device->bus->number; |
| 957 | device = pci_device->devfn >> 3; |
| 958 | irq_ch = pci_device->irq; |
| 959 | io_addr = base_addr0 = pci_resource_start(pci_device, 0); |
| 960 | pci_addr = base_addr1 = pci_resource_start(pci_device, 1); |
Matthew Wilcox | 78b4b05 | 2008-03-13 06:55:08 -0600 | [diff] [blame] | 961 | #ifdef CONFIG_SCSI_FLASHPOINT |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 962 | if (pci_resource_flags(pci_device, 0) & IORESOURCE_MEM) { |
| 963 | blogic_err("BusLogic: Base Address0 0x%X not I/O for " "FlashPoint Host Adapter\n", NULL, base_addr0); |
| 964 | blogic_err("at PCI Bus %d Device %d I/O Address 0x%X\n", NULL, bus, device, io_addr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 965 | continue; |
| 966 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 967 | if (pci_resource_flags(pci_device, 1) & IORESOURCE_IO) { |
| 968 | blogic_err("BusLogic: Base Address1 0x%X not Memory for " "FlashPoint Host Adapter\n", NULL, base_addr1); |
| 969 | blogic_err("at PCI Bus %d Device %d PCI Address 0x%X\n", NULL, bus, device, pci_addr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 970 | continue; |
| 971 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 972 | if (irq_ch == 0) { |
| 973 | blogic_err("BusLogic: IRQ Channel %d invalid for " "FlashPoint Host Adapter\n", NULL, irq_ch); |
| 974 | blogic_err("at PCI Bus %d Device %d I/O Address 0x%X\n", NULL, bus, device, io_addr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 975 | continue; |
| 976 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 977 | if (blogic_global_options.trace_probe) { |
| 978 | blogic_notice("BusLogic: FlashPoint Host Adapter " "detected at\n", NULL); |
| 979 | blogic_notice("BusLogic: PCI Bus %d Device %d I/O Address " "0x%X PCI Address 0x%X\n", NULL, bus, device, io_addr, pci_addr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 980 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 981 | if (blogic_probeinfo_count < BLOGIC_MAX_ADAPTERS) { |
| 982 | struct blogic_probeinfo *probeinfo = |
| 983 | &blogic_probeinfo_list[blogic_probeinfo_count++]; |
| 984 | probeinfo->adapter_type = BLOGIC_FLASHPOINT; |
| 985 | probeinfo->adapter_bus_type = BLOGIC_PCI_BUS; |
| 986 | probeinfo->io_addr = io_addr; |
| 987 | probeinfo->pci_addr = pci_addr; |
| 988 | probeinfo->bus = bus; |
| 989 | probeinfo->dev = device; |
| 990 | probeinfo->irq_ch = irq_ch; |
| 991 | probeinfo->pci_device = pci_dev_get(pci_device); |
| 992 | fpcount++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 993 | } else |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 994 | blogic_warn("BusLogic: Too many Host Adapters " "detected\n", NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 995 | #else |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 996 | blogic_err("BusLogic: FlashPoint Host Adapter detected at " "PCI Bus %d Device %d\n", NULL, bus, device); |
| 997 | blogic_err("BusLogic: I/O Address 0x%X PCI Address 0x%X, irq %d, " "but FlashPoint\n", NULL, io_addr, pci_addr, irq_ch); |
| 998 | blogic_err("BusLogic: support was omitted in this kernel " "configuration.\n", NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 999 | #endif |
| 1000 | } |
| 1001 | /* |
| 1002 | The FlashPoint BIOS will scan for FlashPoint Host Adapters in the order of |
| 1003 | increasing PCI Bus and Device Number, so sort the probe information into |
| 1004 | the same order the BIOS uses. |
| 1005 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1006 | blogic_sort_probeinfo(&blogic_probeinfo_list[fpindex], fpcount); |
| 1007 | return fpcount; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1008 | } |
| 1009 | |
| 1010 | |
| 1011 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1012 | blogic_init_probeinfo_list initializes the list of I/O Address and Bus |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1013 | Probe Information to be checked for potential BusLogic SCSI Host Adapters by |
| 1014 | interrogating the PCI Configuration Space on PCI machines as well as from the |
| 1015 | list of standard BusLogic MultiMaster ISA I/O Addresses. By default, if both |
| 1016 | FlashPoint and PCI MultiMaster Host Adapters are present, this driver will |
| 1017 | probe for FlashPoint Host Adapters first unless the BIOS primary disk is |
| 1018 | controlled by the first PCI MultiMaster Host Adapter, in which case |
| 1019 | MultiMaster Host Adapters will be probed first. The BusLogic Driver Options |
| 1020 | specifications "MultiMasterFirst" and "FlashPointFirst" can be used to force |
| 1021 | a particular probe order. |
| 1022 | */ |
| 1023 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1024 | static void __init blogic_init_probeinfo_list(struct blogic_adapter *adapter) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1025 | { |
| 1026 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1027 | If a PCI BIOS is present, interrogate it for MultiMaster and |
| 1028 | FlashPoint Host Adapters; otherwise, default to the standard |
| 1029 | ISA MultiMaster probe. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1030 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1031 | if (!blogic_probe_options.noprobe_pci) { |
| 1032 | if (blogic_probe_options.multimaster_first) { |
| 1033 | blogic_init_mm_probeinfo(adapter); |
| 1034 | blogic_init_fp_probeinfo(adapter); |
| 1035 | } else if (blogic_probe_options.flashpoint_first) { |
| 1036 | blogic_init_fp_probeinfo(adapter); |
| 1037 | blogic_init_mm_probeinfo(adapter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1038 | } else { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1039 | int fpcount = blogic_init_fp_probeinfo(adapter); |
| 1040 | int mmcount = blogic_init_mm_probeinfo(adapter); |
| 1041 | if (fpcount > 0 && mmcount > 0) { |
| 1042 | struct blogic_probeinfo *probeinfo = |
| 1043 | &blogic_probeinfo_list[fpcount]; |
| 1044 | struct blogic_adapter *myadapter = adapter; |
| 1045 | struct blogic_fetch_localram fetch_localram; |
| 1046 | struct blogic_bios_drvmap d0_mapbyte; |
| 1047 | |
| 1048 | while (probeinfo->adapter_bus_type != |
| 1049 | BLOGIC_PCI_BUS) |
| 1050 | probeinfo++; |
| 1051 | myadapter->io_addr = probeinfo->io_addr; |
| 1052 | fetch_localram.offset = |
| 1053 | BLOGIC_BIOS_BASE + BLOGIC_BIOS_DRVMAP; |
| 1054 | fetch_localram.count = sizeof(d0_mapbyte); |
| 1055 | blogic_cmd(myadapter, BLOGIC_FETCH_LOCALRAM, |
| 1056 | &fetch_localram, |
| 1057 | sizeof(fetch_localram), |
| 1058 | &d0_mapbyte, |
| 1059 | sizeof(d0_mapbyte)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1060 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1061 | If the Map Byte for BIOS Drive 0 indicates |
| 1062 | that BIOS Drive 0 is controlled by this |
| 1063 | PCI MultiMaster Host Adapter, then reverse |
| 1064 | the probe order so that MultiMaster Host |
| 1065 | Adapters are probed before FlashPoint Host |
| 1066 | Adapters. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1067 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1068 | if (d0_mapbyte.diskgeom != BLOGIC_BIOS_NODISK) { |
| 1069 | struct blogic_probeinfo saved_probeinfo[BLOGIC_MAX_ADAPTERS]; |
| 1070 | int mmcount = blogic_probeinfo_count - fpcount; |
| 1071 | |
| 1072 | memcpy(saved_probeinfo, |
| 1073 | blogic_probeinfo_list, |
| 1074 | blogic_probeinfo_count * sizeof(struct blogic_probeinfo)); |
| 1075 | memcpy(&blogic_probeinfo_list[0], |
| 1076 | &saved_probeinfo[fpcount], |
| 1077 | mmcount * sizeof(struct blogic_probeinfo)); |
| 1078 | memcpy(&blogic_probeinfo_list[mmcount], |
| 1079 | &saved_probeinfo[0], |
| 1080 | fpcount * sizeof(struct blogic_probeinfo)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1081 | } |
| 1082 | } |
| 1083 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1084 | } else { |
| 1085 | blogic_init_probeinfo_isa(adapter); |
| 1086 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1087 | } |
| 1088 | |
| 1089 | |
Matthew Wilcox | 78b4b05 | 2008-03-13 06:55:08 -0600 | [diff] [blame] | 1090 | #else |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1091 | #define blogic_init_probeinfo_list(adapter) \ |
| 1092 | blogic_init_probeinfo_isa(adapter) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1093 | #endif /* CONFIG_PCI */ |
| 1094 | |
| 1095 | |
| 1096 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1097 | blogic_failure prints a standardized error message, and then returns false. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1098 | */ |
| 1099 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1100 | static bool blogic_failure(struct blogic_adapter *adapter, char *msg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1101 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1102 | blogic_announce_drvr(adapter); |
| 1103 | if (adapter->adapter_bus_type == BLOGIC_PCI_BUS) { |
| 1104 | blogic_err("While configuring BusLogic PCI Host Adapter at\n", |
| 1105 | adapter); |
| 1106 | blogic_err("Bus %d Device %d I/O Address 0x%X PCI Address 0x%X:\n", adapter, adapter->bus, adapter->dev, adapter->io_addr, adapter->pci_addr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1107 | } else |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1108 | blogic_err("While configuring BusLogic Host Adapter at " "I/O Address 0x%X:\n", adapter, adapter->io_addr); |
| 1109 | blogic_err("%s FAILED - DETACHING\n", adapter, msg); |
| 1110 | if (blogic_cmd_failure_reason != NULL) |
| 1111 | blogic_err("ADDITIONAL FAILURE INFO - %s\n", adapter, |
| 1112 | blogic_cmd_failure_reason); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1113 | return false; |
| 1114 | } |
| 1115 | |
| 1116 | |
| 1117 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1118 | blogic_probe probes for a BusLogic Host Adapter. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1119 | */ |
| 1120 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1121 | static bool __init blogic_probe(struct blogic_adapter *adapter) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1122 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1123 | union blogic_stat_reg statusreg; |
| 1124 | union blogic_int_reg intreg; |
| 1125 | union blogic_geo_reg georeg; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1126 | /* |
| 1127 | FlashPoint Host Adapters are Probed by the FlashPoint SCCB Manager. |
| 1128 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1129 | if (blogic_flashpoint_type(adapter)) { |
| 1130 | struct fpoint_info *fpinfo = &adapter->fpinfo; |
| 1131 | fpinfo->base_addr = (u32) adapter->io_addr; |
| 1132 | fpinfo->irq_ch = adapter->irq_ch; |
| 1133 | fpinfo->present = false; |
| 1134 | if (!(FlashPoint_ProbeHostAdapter(fpinfo) == 0 && |
| 1135 | fpinfo->present)) { |
| 1136 | blogic_err("BusLogic: FlashPoint Host Adapter detected at " "PCI Bus %d Device %d\n", adapter, adapter->bus, adapter->dev); |
| 1137 | blogic_err("BusLogic: I/O Address 0x%X PCI Address 0x%X, " "but FlashPoint\n", adapter, adapter->io_addr, adapter->pci_addr); |
| 1138 | blogic_err("BusLogic: Probe Function failed to validate it.\n", adapter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1139 | return false; |
| 1140 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1141 | if (blogic_global_options.trace_probe) |
| 1142 | blogic_notice("BusLogic_Probe(0x%X): FlashPoint Found\n", adapter, adapter->io_addr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1143 | /* |
| 1144 | Indicate the Host Adapter Probe completed successfully. |
| 1145 | */ |
| 1146 | return true; |
| 1147 | } |
| 1148 | /* |
| 1149 | Read the Status, Interrupt, and Geometry Registers to test if there are I/O |
| 1150 | ports that respond, and to check the values to determine if they are from a |
| 1151 | BusLogic Host Adapter. A nonexistent I/O port will return 0xFF, in which |
| 1152 | case there is definitely no BusLogic Host Adapter at this base I/O Address. |
| 1153 | The test here is a subset of that used by the BusLogic Host Adapter BIOS. |
| 1154 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1155 | statusreg.all = blogic_rdstatus(adapter); |
| 1156 | intreg.all = blogic_rdint(adapter); |
| 1157 | georeg.all = blogic_rdgeom(adapter); |
| 1158 | if (blogic_global_options.trace_probe) |
| 1159 | blogic_notice("BusLogic_Probe(0x%X): Status 0x%02X, Interrupt 0x%02X, " "Geometry 0x%02X\n", adapter, adapter->io_addr, statusreg.all, intreg.all, georeg.all); |
| 1160 | if (statusreg.all == 0 || statusreg.sr.diag_active || |
| 1161 | statusreg.sr.cmd_param_busy || statusreg.sr.rsvd || |
| 1162 | statusreg.sr.cmd_invalid || intreg.ir.rsvd != 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1163 | return false; |
| 1164 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1165 | Check the undocumented Geometry Register to test if there is |
| 1166 | an I/O port that responded. Adaptec Host Adapters do not |
| 1167 | implement the Geometry Register, so this test helps serve to |
| 1168 | avoid incorrectly recognizing an Adaptec 1542A or 1542B as a |
| 1169 | BusLogic. Unfortunately, the Adaptec 1542C series does respond |
| 1170 | to the Geometry Register I/O port, but it will be rejected |
| 1171 | later when the Inquire Extended Setup Information command is |
| 1172 | issued in blogic_checkadapter. The AMI FastDisk Host Adapter |
| 1173 | is a BusLogic clone that implements the same interface as |
| 1174 | earlier BusLogic Host Adapters, including the undocumented |
| 1175 | commands, and is therefore supported by this driver. However, |
| 1176 | the AMI FastDisk always returns 0x00 upon reading the Geometry |
| 1177 | Register, so the extended translation option should always be |
| 1178 | left disabled on the AMI FastDisk. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1179 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1180 | if (georeg.all == 0xFF) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1181 | return false; |
| 1182 | /* |
| 1183 | Indicate the Host Adapter Probe completed successfully. |
| 1184 | */ |
| 1185 | return true; |
| 1186 | } |
| 1187 | |
| 1188 | |
| 1189 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1190 | blogic_hwreset issues a Hardware Reset to the Host Adapter |
| 1191 | and waits for Host Adapter Diagnostics to complete. If hard_reset is true, a |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1192 | Hard Reset is performed which also initiates a SCSI Bus Reset. Otherwise, a |
| 1193 | Soft Reset is performed which only resets the Host Adapter without forcing a |
| 1194 | SCSI Bus Reset. |
| 1195 | */ |
| 1196 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1197 | static bool blogic_hwreset(struct blogic_adapter *adapter, bool hard_reset) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1198 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1199 | union blogic_stat_reg statusreg; |
| 1200 | int timeout; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1201 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1202 | FlashPoint Host Adapters are Hard Reset by the FlashPoint |
| 1203 | SCCB Manager. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1204 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1205 | if (blogic_flashpoint_type(adapter)) { |
| 1206 | struct fpoint_info *fpinfo = &adapter->fpinfo; |
| 1207 | fpinfo->softreset = !hard_reset; |
| 1208 | fpinfo->report_underrun = true; |
| 1209 | adapter->cardhandle = |
| 1210 | FlashPoint_HardwareResetHostAdapter(fpinfo); |
Khalid Aziz | 391e2f2 | 2013-05-16 19:44:14 -0600 | [diff] [blame^] | 1211 | if (adapter->cardhandle == (void *)FPOINT_BADCARD_HANDLE) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1212 | return false; |
| 1213 | /* |
| 1214 | Indicate the Host Adapter Hard Reset completed successfully. |
| 1215 | */ |
| 1216 | return true; |
| 1217 | } |
| 1218 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1219 | Issue a Hard Reset or Soft Reset Command to the Host Adapter. |
| 1220 | The Host Adapter should respond by setting Diagnostic Active in |
| 1221 | the Status Register. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1222 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1223 | if (hard_reset) |
| 1224 | blogic_hardreset(adapter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1225 | else |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1226 | blogic_softreset(adapter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1227 | /* |
| 1228 | Wait until Diagnostic Active is set in the Status Register. |
| 1229 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1230 | timeout = 5 * 10000; |
| 1231 | while (--timeout >= 0) { |
| 1232 | statusreg.all = blogic_rdstatus(adapter); |
| 1233 | if (statusreg.sr.diag_active) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1234 | break; |
| 1235 | udelay(100); |
| 1236 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1237 | if (blogic_global_options.trace_hw_reset) |
| 1238 | blogic_notice("BusLogic_HardwareReset(0x%X): Diagnostic Active, " "Status 0x%02X\n", adapter, adapter->io_addr, statusreg.all); |
| 1239 | if (timeout < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1240 | return false; |
| 1241 | /* |
| 1242 | Wait 100 microseconds to allow completion of any initial diagnostic |
| 1243 | activity which might leave the contents of the Status Register |
| 1244 | unpredictable. |
| 1245 | */ |
| 1246 | udelay(100); |
| 1247 | /* |
| 1248 | Wait until Diagnostic Active is reset in the Status Register. |
| 1249 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1250 | timeout = 10 * 10000; |
| 1251 | while (--timeout >= 0) { |
| 1252 | statusreg.all = blogic_rdstatus(adapter); |
| 1253 | if (!statusreg.sr.diag_active) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1254 | break; |
| 1255 | udelay(100); |
| 1256 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1257 | if (blogic_global_options.trace_hw_reset) |
| 1258 | blogic_notice("BusLogic_HardwareReset(0x%X): Diagnostic Completed, " "Status 0x%02X\n", adapter, adapter->io_addr, statusreg.all); |
| 1259 | if (timeout < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1260 | return false; |
| 1261 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1262 | Wait until at least one of the Diagnostic Failure, Host Adapter |
| 1263 | Ready, or Data In Register Ready bits is set in the Status Register. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1264 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1265 | timeout = 10000; |
| 1266 | while (--timeout >= 0) { |
| 1267 | statusreg.all = blogic_rdstatus(adapter); |
| 1268 | if (statusreg.sr.diag_failed || statusreg.sr.adapter_ready || |
| 1269 | statusreg.sr.datain_ready) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1270 | break; |
| 1271 | udelay(100); |
| 1272 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1273 | if (blogic_global_options.trace_hw_reset) |
| 1274 | blogic_notice("BusLogic_HardwareReset(0x%X): Host Adapter Ready, " "Status 0x%02X\n", adapter, adapter->io_addr, statusreg.all); |
| 1275 | if (timeout < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1276 | return false; |
| 1277 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1278 | If Diagnostic Failure is set or Host Adapter Ready is reset, |
| 1279 | then an error occurred during the Host Adapter diagnostics. |
| 1280 | If Data In Register Ready is set, then there is an Error Code |
| 1281 | available. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1282 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1283 | if (statusreg.sr.diag_failed || !statusreg.sr.adapter_ready) { |
| 1284 | blogic_cmd_failure_reason = NULL; |
| 1285 | blogic_failure(adapter, "HARD RESET DIAGNOSTICS"); |
| 1286 | blogic_err("HOST ADAPTER STATUS REGISTER = %02X\n", adapter, |
| 1287 | statusreg.all); |
| 1288 | if (statusreg.sr.datain_ready) |
| 1289 | blogic_err("HOST ADAPTER ERROR CODE = %d\n", adapter, |
| 1290 | blogic_rddatain(adapter)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1291 | return false; |
| 1292 | } |
| 1293 | /* |
| 1294 | Indicate the Host Adapter Hard Reset completed successfully. |
| 1295 | */ |
| 1296 | return true; |
| 1297 | } |
| 1298 | |
| 1299 | |
| 1300 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1301 | blogic_checkadapter checks to be sure this really is a BusLogic |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1302 | Host Adapter. |
| 1303 | */ |
| 1304 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1305 | static bool __init blogic_checkadapter(struct blogic_adapter *adapter) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1306 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1307 | struct blogic_ext_setup ext_setupinfo; |
| 1308 | unsigned char req_replylen; |
| 1309 | bool result = true; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1310 | /* |
| 1311 | FlashPoint Host Adapters do not require this protection. |
| 1312 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1313 | if (blogic_flashpoint_type(adapter)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1314 | return true; |
| 1315 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1316 | Issue the Inquire Extended Setup Information command. Only genuine |
| 1317 | BusLogic Host Adapters and true clones support this command. |
| 1318 | Adaptec 1542C series Host Adapters that respond to the Geometry |
| 1319 | Register I/O port will fail this command. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1320 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1321 | req_replylen = sizeof(ext_setupinfo); |
| 1322 | if (blogic_cmd(adapter, BLOGIC_INQ_EXTSETUP, &req_replylen, |
| 1323 | sizeof(req_replylen), &ext_setupinfo, |
| 1324 | sizeof(ext_setupinfo)) != sizeof(ext_setupinfo)) |
| 1325 | result = false; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1326 | /* |
| 1327 | Provide tracing information if requested and return. |
| 1328 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1329 | if (blogic_global_options.trace_probe) |
| 1330 | blogic_notice("BusLogic_Check(0x%X): MultiMaster %s\n", adapter, |
| 1331 | adapter->io_addr, |
| 1332 | (result ? "Found" : "Not Found")); |
| 1333 | return result; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1334 | } |
| 1335 | |
| 1336 | |
| 1337 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1338 | blogic_rdconfig reads the Configuration Information |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1339 | from Host Adapter and initializes the Host Adapter structure. |
| 1340 | */ |
| 1341 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1342 | static bool __init blogic_rdconfig(struct blogic_adapter *adapter) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1343 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1344 | struct blogic_board_id id; |
| 1345 | struct blogic_config config; |
| 1346 | struct blogic_setup_info setupinfo; |
| 1347 | struct blogic_ext_setup ext_setupinfo; |
| 1348 | unsigned char model[5]; |
| 1349 | unsigned char fw_ver_digit3; |
| 1350 | unsigned char fw_ver_letter; |
| 1351 | struct blogic_adapter_info adapter_info; |
| 1352 | struct blogic_fetch_localram fetch_localram; |
| 1353 | struct blogic_autoscsi autoscsi; |
| 1354 | union blogic_geo_reg georeg; |
| 1355 | unsigned char req_replylen; |
| 1356 | unsigned char *tgt, ch; |
| 1357 | int tgt_id, i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1358 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1359 | Configuration Information for FlashPoint Host Adapters is |
| 1360 | provided in the fpoint_info structure by the FlashPoint |
| 1361 | SCCB Manager's Probe Function. Initialize fields in the |
| 1362 | Host Adapter structure from the fpoint_info structure. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1363 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1364 | if (blogic_flashpoint_type(adapter)) { |
| 1365 | struct fpoint_info *fpinfo = &adapter->fpinfo; |
| 1366 | tgt = adapter->model; |
| 1367 | *tgt++ = 'B'; |
| 1368 | *tgt++ = 'T'; |
| 1369 | *tgt++ = '-'; |
| 1370 | for (i = 0; i < sizeof(fpinfo->model); i++) |
| 1371 | *tgt++ = fpinfo->model[i]; |
| 1372 | *tgt++ = '\0'; |
| 1373 | strcpy(adapter->fw_ver, FLASHPOINT_FW_VER); |
| 1374 | adapter->scsi_id = fpinfo->scsi_id; |
| 1375 | adapter->ext_trans_enable = fpinfo->ext_trans_enable; |
| 1376 | adapter->parity = fpinfo->parity; |
| 1377 | adapter->reset_enabled = !fpinfo->softreset; |
| 1378 | adapter->level_int = true; |
| 1379 | adapter->wide = fpinfo->wide; |
| 1380 | adapter->differential = false; |
| 1381 | adapter->scam = true; |
| 1382 | adapter->ultra = true; |
| 1383 | adapter->ext_lun = true; |
| 1384 | adapter->terminfo_valid = true; |
| 1385 | adapter->low_term = fpinfo->low_term; |
| 1386 | adapter->high_term = fpinfo->high_term; |
| 1387 | adapter->scam_enabled = fpinfo->scam_enabled; |
| 1388 | adapter->scam_lev2 = fpinfo->scam_lev2; |
| 1389 | adapter->drvr_sglimit = BLOGIC_SG_LIMIT; |
| 1390 | adapter->maxdev = (adapter->wide ? 16 : 8); |
| 1391 | adapter->maxlun = 32; |
| 1392 | adapter->initccbs = 4 * BLOGIC_CCB_GRP_ALLOCSIZE; |
| 1393 | adapter->inc_ccbs = BLOGIC_CCB_GRP_ALLOCSIZE; |
| 1394 | adapter->drvr_qdepth = 255; |
| 1395 | adapter->adapter_qdepth = adapter->drvr_qdepth; |
| 1396 | adapter->sync_ok = fpinfo->sync_ok; |
| 1397 | adapter->fast_ok = fpinfo->fast_ok; |
| 1398 | adapter->ultra_ok = fpinfo->ultra_ok; |
| 1399 | adapter->wide_ok = fpinfo->wide_ok; |
| 1400 | adapter->discon_ok = fpinfo->discon_ok; |
| 1401 | adapter->tagq_ok = 0xFFFF; |
| 1402 | goto common; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1403 | } |
| 1404 | /* |
| 1405 | Issue the Inquire Board ID command. |
| 1406 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1407 | if (blogic_cmd(adapter, BLOGIC_GET_BOARD_ID, NULL, 0, &id, |
| 1408 | sizeof(id)) != sizeof(id)) |
| 1409 | return blogic_failure(adapter, "INQUIRE BOARD ID"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1410 | /* |
| 1411 | Issue the Inquire Configuration command. |
| 1412 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1413 | if (blogic_cmd(adapter, BLOGIC_INQ_CONFIG, NULL, 0, &config, |
| 1414 | sizeof(config)) |
| 1415 | != sizeof(config)) |
| 1416 | return blogic_failure(adapter, "INQUIRE CONFIGURATION"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1417 | /* |
| 1418 | Issue the Inquire Setup Information command. |
| 1419 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1420 | req_replylen = sizeof(setupinfo); |
| 1421 | if (blogic_cmd(adapter, BLOGIC_INQ_SETUPINFO, &req_replylen, |
| 1422 | sizeof(req_replylen), &setupinfo, |
| 1423 | sizeof(setupinfo)) != sizeof(setupinfo)) |
| 1424 | return blogic_failure(adapter, "INQUIRE SETUP INFORMATION"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1425 | /* |
| 1426 | Issue the Inquire Extended Setup Information command. |
| 1427 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1428 | req_replylen = sizeof(ext_setupinfo); |
| 1429 | if (blogic_cmd(adapter, BLOGIC_INQ_EXTSETUP, &req_replylen, |
| 1430 | sizeof(req_replylen), &ext_setupinfo, |
| 1431 | sizeof(ext_setupinfo)) != sizeof(ext_setupinfo)) |
| 1432 | return blogic_failure(adapter, |
| 1433 | "INQUIRE EXTENDED SETUP INFORMATION"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1434 | /* |
| 1435 | Issue the Inquire Firmware Version 3rd Digit command. |
| 1436 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1437 | fw_ver_digit3 = '\0'; |
| 1438 | if (id.fw_ver_digit1 > '0') |
| 1439 | if (blogic_cmd(adapter, BLOGIC_INQ_FWVER_D3, NULL, 0, |
| 1440 | &fw_ver_digit3, |
| 1441 | sizeof(fw_ver_digit3)) != sizeof(fw_ver_digit3)) |
| 1442 | return blogic_failure(adapter, |
| 1443 | "INQUIRE FIRMWARE 3RD DIGIT"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1444 | /* |
| 1445 | Issue the Inquire Host Adapter Model Number command. |
| 1446 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1447 | if (ext_setupinfo.bus_type == 'A' && id.fw_ver_digit1 == '2') |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1448 | /* BusLogic BT-542B ISA 2.xx */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1449 | strcpy(model, "542B"); |
| 1450 | else if (ext_setupinfo.bus_type == 'E' && id.fw_ver_digit1 == '2' && |
| 1451 | (id.fw_ver_digit2 <= '1' || (id.fw_ver_digit2 == '2' && |
| 1452 | fw_ver_digit3 == '0'))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1453 | /* BusLogic BT-742A EISA 2.1x or 2.20 */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1454 | strcpy(model, "742A"); |
| 1455 | else if (ext_setupinfo.bus_type == 'E' && id.fw_ver_digit1 == '0') |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1456 | /* AMI FastDisk EISA Series 441 0.x */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1457 | strcpy(model, "747A"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1458 | else { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1459 | req_replylen = sizeof(model); |
| 1460 | if (blogic_cmd(adapter, BLOGIC_INQ_MODELNO, &req_replylen, |
| 1461 | sizeof(req_replylen), &model, |
| 1462 | sizeof(model)) != sizeof(model)) |
| 1463 | return blogic_failure(adapter, |
| 1464 | "INQUIRE HOST ADAPTER MODEL NUMBER"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1465 | } |
| 1466 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1467 | BusLogic MultiMaster Host Adapters can be identified by their |
| 1468 | model number and the major version number of their firmware |
| 1469 | as follows: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1470 | |
| 1471 | 5.xx BusLogic "W" Series Host Adapters: |
| 1472 | BT-948/958/958D |
| 1473 | 4.xx BusLogic "C" Series Host Adapters: |
| 1474 | BT-946C/956C/956CD/747C/757C/757CD/445C/545C/540CF |
| 1475 | 3.xx BusLogic "S" Series Host Adapters: |
| 1476 | BT-747S/747D/757S/757D/445S/545S/542D |
| 1477 | BT-542B/742A (revision H) |
| 1478 | 2.xx BusLogic "A" Series Host Adapters: |
| 1479 | BT-542B/742A (revision G and below) |
| 1480 | 0.xx AMI FastDisk VLB/EISA BusLogic Clone Host Adapter |
| 1481 | */ |
| 1482 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1483 | Save the Model Name and Host Adapter Name in the Host Adapter |
| 1484 | structure. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1485 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1486 | tgt = adapter->model; |
| 1487 | *tgt++ = 'B'; |
| 1488 | *tgt++ = 'T'; |
| 1489 | *tgt++ = '-'; |
| 1490 | for (i = 0; i < sizeof(model); i++) { |
| 1491 | ch = model[i]; |
| 1492 | if (ch == ' ' || ch == '\0') |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1493 | break; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1494 | *tgt++ = ch; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1495 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1496 | *tgt++ = '\0'; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1497 | /* |
| 1498 | Save the Firmware Version in the Host Adapter structure. |
| 1499 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1500 | tgt = adapter->fw_ver; |
| 1501 | *tgt++ = id.fw_ver_digit1; |
| 1502 | *tgt++ = '.'; |
| 1503 | *tgt++ = id.fw_ver_digit2; |
| 1504 | if (fw_ver_digit3 != ' ' && fw_ver_digit3 != '\0') |
| 1505 | *tgt++ = fw_ver_digit3; |
| 1506 | *tgt = '\0'; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1507 | /* |
| 1508 | Issue the Inquire Firmware Version Letter command. |
| 1509 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1510 | if (strcmp(adapter->fw_ver, "3.3") >= 0) { |
| 1511 | if (blogic_cmd(adapter, BLOGIC_INQ_FWVER_LETTER, NULL, 0, |
| 1512 | &fw_ver_letter, |
| 1513 | sizeof(fw_ver_letter)) != sizeof(fw_ver_letter)) |
| 1514 | return blogic_failure(adapter, |
| 1515 | "INQUIRE FIRMWARE VERSION LETTER"); |
| 1516 | if (fw_ver_letter != ' ' && fw_ver_letter != '\0') |
| 1517 | *tgt++ = fw_ver_letter; |
| 1518 | *tgt = '\0'; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1519 | } |
| 1520 | /* |
| 1521 | Save the Host Adapter SCSI ID in the Host Adapter structure. |
| 1522 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1523 | adapter->scsi_id = config.id; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1524 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1525 | Determine the Bus Type and save it in the Host Adapter structure, |
| 1526 | determine and save the IRQ Channel if necessary, and determine |
| 1527 | and save the DMA Channel for ISA Host Adapters. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1528 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1529 | adapter->adapter_bus_type = |
| 1530 | blogic_adater_bus_types[adapter->model[3] - '4']; |
| 1531 | if (adapter->irq_ch == 0) { |
| 1532 | if (config.irq_ch9) |
| 1533 | adapter->irq_ch = 9; |
| 1534 | else if (config.irq_ch10) |
| 1535 | adapter->irq_ch = 10; |
| 1536 | else if (config.irq_ch11) |
| 1537 | adapter->irq_ch = 11; |
| 1538 | else if (config.irq_ch12) |
| 1539 | adapter->irq_ch = 12; |
| 1540 | else if (config.irq_ch14) |
| 1541 | adapter->irq_ch = 14; |
| 1542 | else if (config.irq_ch15) |
| 1543 | adapter->irq_ch = 15; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1544 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1545 | if (adapter->adapter_bus_type == BLOGIC_ISA_BUS) { |
| 1546 | if (config.dma_ch5) |
| 1547 | adapter->dma_ch = 5; |
| 1548 | else if (config.dma_ch6) |
| 1549 | adapter->dma_ch = 6; |
| 1550 | else if (config.dma_ch7) |
| 1551 | adapter->dma_ch = 7; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1552 | } |
| 1553 | /* |
| 1554 | Determine whether Extended Translation is enabled and save it in |
| 1555 | the Host Adapter structure. |
| 1556 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1557 | georeg.all = blogic_rdgeom(adapter); |
| 1558 | adapter->ext_trans_enable = georeg.gr.ext_trans_enable; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1559 | /* |
| 1560 | Save the Scatter Gather Limits, Level Sensitive Interrupt flag, Wide |
| 1561 | SCSI flag, Differential SCSI flag, SCAM Supported flag, and |
| 1562 | Ultra SCSI flag in the Host Adapter structure. |
| 1563 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1564 | adapter->adapter_sglimit = ext_setupinfo.sg_limit; |
| 1565 | adapter->drvr_sglimit = adapter->adapter_sglimit; |
| 1566 | if (adapter->adapter_sglimit > BLOGIC_SG_LIMIT) |
| 1567 | adapter->drvr_sglimit = BLOGIC_SG_LIMIT; |
| 1568 | if (ext_setupinfo.misc.level_int) |
| 1569 | adapter->level_int = true; |
| 1570 | adapter->wide = ext_setupinfo.wide; |
| 1571 | adapter->differential = ext_setupinfo.differential; |
| 1572 | adapter->scam = ext_setupinfo.scam; |
| 1573 | adapter->ultra = ext_setupinfo.ultra; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1574 | /* |
| 1575 | Determine whether Extended LUN Format CCBs are supported and save the |
| 1576 | information in the Host Adapter structure. |
| 1577 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1578 | if (adapter->fw_ver[0] == '5' || (adapter->fw_ver[0] == '4' && |
| 1579 | adapter->wide)) |
| 1580 | adapter->ext_lun = true; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1581 | /* |
| 1582 | Issue the Inquire PCI Host Adapter Information command to read the |
| 1583 | Termination Information from "W" series MultiMaster Host Adapters. |
| 1584 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1585 | if (adapter->fw_ver[0] == '5') { |
| 1586 | if (blogic_cmd(adapter, BLOGIC_INQ_PCI_INFO, NULL, 0, |
| 1587 | &adapter_info, |
| 1588 | sizeof(adapter_info)) != sizeof(adapter_info)) |
| 1589 | return blogic_failure(adapter, |
| 1590 | "INQUIRE PCI HOST ADAPTER INFORMATION"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1591 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1592 | Save the Termination Information in the Host Adapter |
| 1593 | structure. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1594 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1595 | if (adapter_info.genericinfo_valid) { |
| 1596 | adapter->terminfo_valid = true; |
| 1597 | adapter->low_term = adapter_info.low_term; |
| 1598 | adapter->high_term = adapter_info.high_term; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1599 | } |
| 1600 | } |
| 1601 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1602 | Issue the Fetch Host Adapter Local RAM command to read the |
| 1603 | AutoSCSI data from "W" and "C" series MultiMaster Host Adapters. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1604 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1605 | if (adapter->fw_ver[0] >= '4') { |
| 1606 | fetch_localram.offset = BLOGIC_AUTOSCSI_BASE; |
| 1607 | fetch_localram.count = sizeof(autoscsi); |
| 1608 | if (blogic_cmd(adapter, BLOGIC_FETCH_LOCALRAM, &fetch_localram, |
| 1609 | sizeof(fetch_localram), &autoscsi, |
| 1610 | sizeof(autoscsi)) != sizeof(autoscsi)) |
| 1611 | return blogic_failure(adapter, |
| 1612 | "FETCH HOST ADAPTER LOCAL RAM"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1613 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1614 | Save the Parity Checking Enabled, Bus Reset Enabled, |
| 1615 | and Termination Information in the Host Adapter structure. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1616 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1617 | adapter->parity = autoscsi.parity; |
| 1618 | adapter->reset_enabled = autoscsi.reset_enabled; |
| 1619 | if (adapter->fw_ver[0] == '4') { |
| 1620 | adapter->terminfo_valid = true; |
| 1621 | adapter->low_term = autoscsi.low_term; |
| 1622 | adapter->high_term = autoscsi.high_term; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1623 | } |
| 1624 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1625 | Save the Wide Permitted, Fast Permitted, Synchronous |
| 1626 | Permitted, Disconnect Permitted, Ultra Permitted, and |
| 1627 | SCAM Information in the Host Adapter structure. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1628 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1629 | adapter->wide_ok = autoscsi.wide_ok; |
| 1630 | adapter->fast_ok = autoscsi.fast_ok; |
| 1631 | adapter->sync_ok = autoscsi.sync_ok; |
| 1632 | adapter->discon_ok = autoscsi.discon_ok; |
| 1633 | if (adapter->ultra) |
| 1634 | adapter->ultra_ok = autoscsi.ultra_ok; |
| 1635 | if (adapter->scam) { |
| 1636 | adapter->scam_enabled = autoscsi.scam_enabled; |
| 1637 | adapter->scam_lev2 = autoscsi.scam_lev2; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1638 | } |
| 1639 | } |
| 1640 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1641 | Initialize fields in the Host Adapter structure for "S" and "A" |
| 1642 | series MultiMaster Host Adapters. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1643 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1644 | if (adapter->fw_ver[0] < '4') { |
| 1645 | if (setupinfo.sync) { |
| 1646 | adapter->sync_ok = 0xFF; |
| 1647 | if (adapter->adapter_bus_type == BLOGIC_EISA_BUS) { |
| 1648 | if (ext_setupinfo.misc.fast_on_eisa) |
| 1649 | adapter->fast_ok = 0xFF; |
| 1650 | if (strcmp(adapter->model, "BT-757") == 0) |
| 1651 | adapter->wide_ok = 0xFF; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1652 | } |
| 1653 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1654 | adapter->discon_ok = 0xFF; |
| 1655 | adapter->parity = setupinfo.parity; |
| 1656 | adapter->reset_enabled = true; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1657 | } |
| 1658 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1659 | Determine the maximum number of Target IDs and Logical Units |
| 1660 | supported by this driver for Wide and Narrow Host Adapters. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1661 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1662 | adapter->maxdev = (adapter->wide ? 16 : 8); |
| 1663 | adapter->maxlun = (adapter->ext_lun ? 32 : 8); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1664 | /* |
| 1665 | Select appropriate values for the Mailbox Count, Driver Queue Depth, |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1666 | Initial CCBs, and Incremental CCBs variables based on whether |
| 1667 | or not Strict Round Robin Mode is supported. If Strict Round |
| 1668 | Robin Mode is supported, then there is no performance degradation |
| 1669 | in using the maximum possible number of Outgoing and Incoming |
| 1670 | Mailboxes and allowing the Tagged and Untagged Queue Depths to |
| 1671 | determine the actual utilization. If Strict Round Robin Mode is |
| 1672 | not supported, then the Host Adapter must scan all the Outgoing |
| 1673 | Mailboxes whenever an Outgoing Mailbox entry is made, which can |
| 1674 | cause a substantial performance penalty. The host adapters |
| 1675 | actually have room to store the following number of CCBs |
| 1676 | internally; that is, they can internally queue and manage this |
| 1677 | many active commands on the SCSI bus simultaneously. Performance |
| 1678 | measurements demonstrate that the Driver Queue Depth should be |
| 1679 | set to the Mailbox Count, rather than the Host Adapter Queue |
| 1680 | Depth (internal CCB capacity), as it is more efficient to have the |
| 1681 | queued commands waiting in Outgoing Mailboxes if necessary than |
| 1682 | to block the process in the higher levels of the SCSI Subsystem. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1683 | |
| 1684 | 192 BT-948/958/958D |
| 1685 | 100 BT-946C/956C/956CD/747C/757C/757CD/445C |
| 1686 | 50 BT-545C/540CF |
| 1687 | 30 BT-747S/747D/757S/757D/445S/545S/542D/542B/742A |
| 1688 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1689 | if (adapter->fw_ver[0] == '5') |
| 1690 | adapter->adapter_qdepth = 192; |
| 1691 | else if (adapter->fw_ver[0] == '4') |
| 1692 | adapter->adapter_qdepth = (adapter->adapter_bus_type != |
| 1693 | BLOGIC_ISA_BUS ? 100 : 50); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1694 | else |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1695 | adapter->adapter_qdepth = 30; |
| 1696 | if (strcmp(adapter->fw_ver, "3.31") >= 0) { |
| 1697 | adapter->strict_rr = true; |
| 1698 | adapter->mbox_count = BLOGIC_MAX_MAILBOX; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1699 | } else { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1700 | adapter->strict_rr = false; |
| 1701 | adapter->mbox_count = 32; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1702 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1703 | adapter->drvr_qdepth = adapter->mbox_count; |
| 1704 | adapter->initccbs = 4 * BLOGIC_CCB_GRP_ALLOCSIZE; |
| 1705 | adapter->inc_ccbs = BLOGIC_CCB_GRP_ALLOCSIZE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1706 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1707 | Tagged Queuing support is available and operates properly on |
| 1708 | all "W" series MultiMaster Host Adapters, on "C" series |
| 1709 | MultiMaster Host Adapters with firmware version 4.22 and above, |
| 1710 | and on "S" series MultiMaster Host Adapters with firmware version |
| 1711 | 3.35 and above. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1712 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1713 | adapter->tagq_ok = 0; |
| 1714 | switch (adapter->fw_ver[0]) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1715 | case '5': |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1716 | adapter->tagq_ok = 0xFFFF; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1717 | break; |
| 1718 | case '4': |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1719 | if (strcmp(adapter->fw_ver, "4.22") >= 0) |
| 1720 | adapter->tagq_ok = 0xFFFF; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1721 | break; |
| 1722 | case '3': |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1723 | if (strcmp(adapter->fw_ver, "3.35") >= 0) |
| 1724 | adapter->tagq_ok = 0xFFFF; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1725 | break; |
| 1726 | } |
| 1727 | /* |
| 1728 | Determine the Host Adapter BIOS Address if the BIOS is enabled and |
| 1729 | save it in the Host Adapter structure. The BIOS is disabled if the |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1730 | bios_addr is 0. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1731 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1732 | adapter->bios_addr = ext_setupinfo.bios_addr << 12; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1733 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1734 | ISA Host Adapters require Bounce Buffers if there is more than |
| 1735 | 16MB memory. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1736 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1737 | if (adapter->adapter_bus_type == BLOGIC_ISA_BUS && |
| 1738 | (void *) high_memory > (void *) MAX_DMA_ADDRESS) |
| 1739 | adapter->need_bouncebuf = true; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1740 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1741 | BusLogic BT-445S Host Adapters prior to board revision E have a |
| 1742 | hardware bug whereby when the BIOS is enabled, transfers to/from |
| 1743 | the same address range the BIOS occupies modulo 16MB are handled |
| 1744 | incorrectly. Only properly functioning BT-445S Host Adapters |
| 1745 | have firmware version 3.37, so require that ISA Bounce Buffers |
| 1746 | be used for the buggy BT-445S models if there is more than 16MB |
| 1747 | memory. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1748 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1749 | if (adapter->bios_addr > 0 && strcmp(adapter->model, "BT-445S") == 0 && |
| 1750 | strcmp(adapter->fw_ver, "3.37") < 0 && |
| 1751 | (void *) high_memory > (void *) MAX_DMA_ADDRESS) |
| 1752 | adapter->need_bouncebuf = true; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1753 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1754 | Initialize parameters common to MultiMaster and FlashPoint |
| 1755 | Host Adapters. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1756 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1757 | common: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1758 | /* |
| 1759 | Initialize the Host Adapter Full Model Name from the Model Name. |
| 1760 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1761 | strcpy(adapter->full_model, "BusLogic "); |
| 1762 | strcat(adapter->full_model, adapter->model); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1763 | /* |
| 1764 | Select an appropriate value for the Tagged Queue Depth either from a |
| 1765 | BusLogic Driver Options specification, or based on whether this Host |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1766 | Adapter requires that ISA Bounce Buffers be used. The Tagged Queue |
| 1767 | Depth is left at 0 for automatic determination in |
| 1768 | BusLogic_SelectQueueDepths. Initialize the Untagged Queue Depth. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1769 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1770 | for (tgt_id = 0; tgt_id < BLOGIC_MAXDEV; tgt_id++) { |
| 1771 | unsigned char qdepth = 0; |
| 1772 | if (adapter->drvr_opts != NULL && |
| 1773 | adapter->drvr_opts->qdepth[tgt_id] > 0) |
| 1774 | qdepth = adapter->drvr_opts->qdepth[tgt_id]; |
| 1775 | else if (adapter->need_bouncebuf) |
| 1776 | qdepth = BLOGIC_TAG_DEPTH_BB; |
| 1777 | adapter->qdepth[tgt_id] = qdepth; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1778 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1779 | if (adapter->need_bouncebuf) |
| 1780 | adapter->untag_qdepth = BLOGIC_UNTAG_DEPTH_BB; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1781 | else |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1782 | adapter->untag_qdepth = BLOGIC_UNTAG_DEPTH; |
| 1783 | if (adapter->drvr_opts != NULL) |
| 1784 | adapter->common_qdepth = adapter->drvr_opts->common_qdepth; |
| 1785 | if (adapter->common_qdepth > 0 && |
| 1786 | adapter->common_qdepth < adapter->untag_qdepth) |
| 1787 | adapter->untag_qdepth = adapter->common_qdepth; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1788 | /* |
| 1789 | Tagged Queuing is only allowed if Disconnect/Reconnect is permitted. |
| 1790 | Therefore, mask the Tagged Queuing Permitted Default bits with the |
| 1791 | Disconnect/Reconnect Permitted bits. |
| 1792 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1793 | adapter->tagq_ok &= adapter->discon_ok; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1794 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1795 | Combine the default Tagged Queuing Permitted bits with any |
| 1796 | BusLogic Driver Options Tagged Queuing specification. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1797 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1798 | if (adapter->drvr_opts != NULL) |
| 1799 | adapter->tagq_ok = (adapter->drvr_opts->tagq_ok & |
| 1800 | adapter->drvr_opts->tagq_ok_mask) | |
| 1801 | (adapter->tagq_ok & ~adapter->drvr_opts->tagq_ok_mask); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1802 | |
| 1803 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1804 | Select an appropriate value for Bus Settle Time either from a |
| 1805 | BusLogic Driver Options specification, or from |
| 1806 | BLOGIC_BUS_SETTLE_TIME. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1807 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1808 | if (adapter->drvr_opts != NULL && |
| 1809 | adapter->drvr_opts->bus_settle_time > 0) |
| 1810 | adapter->bus_settle_time = adapter->drvr_opts->bus_settle_time; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1811 | else |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1812 | adapter->bus_settle_time = BLOGIC_BUS_SETTLE_TIME; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1813 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1814 | Indicate reading the Host Adapter Configuration completed |
| 1815 | successfully. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1816 | */ |
| 1817 | return true; |
| 1818 | } |
| 1819 | |
| 1820 | |
| 1821 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1822 | blogic_reportconfig reports the configuration of Host Adapter. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1823 | */ |
| 1824 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1825 | static bool __init blogic_reportconfig(struct blogic_adapter *adapter) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1826 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1827 | unsigned short alltgt_mask = (1 << adapter->maxdev) - 1; |
| 1828 | unsigned short sync_ok, fast_ok; |
| 1829 | unsigned short ultra_ok, wide_ok; |
| 1830 | unsigned short discon_ok, tagq_ok; |
| 1831 | bool common_syncneg, common_tagq_depth; |
| 1832 | char syncstr[BLOGIC_MAXDEV + 1]; |
| 1833 | char widestr[BLOGIC_MAXDEV + 1]; |
| 1834 | char discon_str[BLOGIC_MAXDEV + 1]; |
| 1835 | char tagq_str[BLOGIC_MAXDEV + 1]; |
| 1836 | char *syncmsg = syncstr; |
| 1837 | char *widemsg = widestr; |
| 1838 | char *discon_msg = discon_str; |
| 1839 | char *tagq_msg = tagq_str; |
| 1840 | int tgt_id; |
| 1841 | |
| 1842 | blogic_info("Configuring BusLogic Model %s %s%s%s%s SCSI Host Adapter\n", adapter, adapter->model, blogic_adapter_busnames[adapter->adapter_bus_type], (adapter->wide ? " Wide" : ""), (adapter->differential ? " Differential" : ""), (adapter->ultra ? " Ultra" : "")); |
| 1843 | blogic_info(" Firmware Version: %s, I/O Address: 0x%X, " "IRQ Channel: %d/%s\n", adapter, adapter->fw_ver, adapter->io_addr, adapter->irq_ch, (adapter->level_int ? "Level" : "Edge")); |
| 1844 | if (adapter->adapter_bus_type != BLOGIC_PCI_BUS) { |
| 1845 | blogic_info(" DMA Channel: ", adapter); |
| 1846 | if (adapter->dma_ch > 0) |
| 1847 | blogic_info("%d, ", adapter, adapter->dma_ch); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1848 | else |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1849 | blogic_info("None, ", adapter); |
| 1850 | if (adapter->bios_addr > 0) |
| 1851 | blogic_info("BIOS Address: 0x%X, ", adapter, |
| 1852 | adapter->bios_addr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1853 | else |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1854 | blogic_info("BIOS Address: None, ", adapter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1855 | } else { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1856 | blogic_info(" PCI Bus: %d, Device: %d, Address: ", adapter, |
| 1857 | adapter->bus, adapter->dev); |
| 1858 | if (adapter->pci_addr > 0) |
| 1859 | blogic_info("0x%X, ", adapter, adapter->pci_addr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1860 | else |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1861 | blogic_info("Unassigned, ", adapter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1862 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1863 | blogic_info("Host Adapter SCSI ID: %d\n", adapter, adapter->scsi_id); |
| 1864 | blogic_info(" Parity Checking: %s, Extended Translation: %s\n", |
| 1865 | adapter, (adapter->parity ? "Enabled" : "Disabled"), |
| 1866 | (adapter->ext_trans_enable ? "Enabled" : "Disabled")); |
| 1867 | alltgt_mask &= ~(1 << adapter->scsi_id); |
| 1868 | sync_ok = adapter->sync_ok & alltgt_mask; |
| 1869 | fast_ok = adapter->fast_ok & alltgt_mask; |
| 1870 | ultra_ok = adapter->ultra_ok & alltgt_mask; |
| 1871 | if ((blogic_multimaster_type(adapter) && |
| 1872 | (adapter->fw_ver[0] >= '4' || |
| 1873 | adapter->adapter_bus_type == BLOGIC_EISA_BUS)) || |
| 1874 | blogic_flashpoint_type(adapter)) { |
| 1875 | common_syncneg = false; |
| 1876 | if (sync_ok == 0) { |
| 1877 | syncmsg = "Disabled"; |
| 1878 | common_syncneg = true; |
| 1879 | } else if (sync_ok == alltgt_mask) { |
| 1880 | if (fast_ok == 0) { |
| 1881 | syncmsg = "Slow"; |
| 1882 | common_syncneg = true; |
| 1883 | } else if (fast_ok == alltgt_mask) { |
| 1884 | if (ultra_ok == 0) { |
| 1885 | syncmsg = "Fast"; |
| 1886 | common_syncneg = true; |
| 1887 | } else if (ultra_ok == alltgt_mask) { |
| 1888 | syncmsg = "Ultra"; |
| 1889 | common_syncneg = true; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1890 | } |
| 1891 | } |
| 1892 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1893 | if (!common_syncneg) { |
| 1894 | for (tgt_id = 0; tgt_id < adapter->maxdev; tgt_id++) |
| 1895 | syncstr[tgt_id] = ((!(sync_ok & (1 << tgt_id))) ? 'N' : (!(fast_ok & (1 << tgt_id)) ? 'S' : (!(ultra_ok & (1 << tgt_id)) ? 'F' : 'U'))); |
| 1896 | syncstr[adapter->scsi_id] = '#'; |
| 1897 | syncstr[adapter->maxdev] = '\0'; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1898 | } |
| 1899 | } else |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1900 | syncmsg = (sync_ok == 0 ? "Disabled" : "Enabled"); |
| 1901 | wide_ok = adapter->wide_ok & alltgt_mask; |
| 1902 | if (wide_ok == 0) |
| 1903 | widemsg = "Disabled"; |
| 1904 | else if (wide_ok == alltgt_mask) |
| 1905 | widemsg = "Enabled"; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1906 | else { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1907 | for (tgt_id = 0; tgt_id < adapter->maxdev; tgt_id++) |
| 1908 | widestr[tgt_id] = ((wide_ok & (1 << tgt_id)) ? 'Y' : 'N'); |
| 1909 | widestr[adapter->scsi_id] = '#'; |
| 1910 | widestr[adapter->maxdev] = '\0'; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1911 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1912 | discon_ok = adapter->discon_ok & alltgt_mask; |
| 1913 | if (discon_ok == 0) |
| 1914 | discon_msg = "Disabled"; |
| 1915 | else if (discon_ok == alltgt_mask) |
| 1916 | discon_msg = "Enabled"; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1917 | else { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1918 | for (tgt_id = 0; tgt_id < adapter->maxdev; tgt_id++) |
| 1919 | discon_str[tgt_id] = ((discon_ok & (1 << tgt_id)) ? 'Y' : 'N'); |
| 1920 | discon_str[adapter->scsi_id] = '#'; |
| 1921 | discon_str[adapter->maxdev] = '\0'; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1922 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1923 | tagq_ok = adapter->tagq_ok & alltgt_mask; |
| 1924 | if (tagq_ok == 0) |
| 1925 | tagq_msg = "Disabled"; |
| 1926 | else if (tagq_ok == alltgt_mask) |
| 1927 | tagq_msg = "Enabled"; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1928 | else { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1929 | for (tgt_id = 0; tgt_id < adapter->maxdev; tgt_id++) |
| 1930 | tagq_str[tgt_id] = ((tagq_ok & (1 << tgt_id)) ? 'Y' : 'N'); |
| 1931 | tagq_str[adapter->scsi_id] = '#'; |
| 1932 | tagq_str[adapter->maxdev] = '\0'; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1933 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1934 | blogic_info(" Synchronous Negotiation: %s, Wide Negotiation: %s\n", |
| 1935 | adapter, syncmsg, widemsg); |
| 1936 | blogic_info(" Disconnect/Reconnect: %s, Tagged Queuing: %s\n", adapter, |
| 1937 | discon_msg, tagq_msg); |
| 1938 | if (blogic_multimaster_type(adapter)) { |
| 1939 | blogic_info(" Scatter/Gather Limit: %d of %d segments, " "Mailboxes: %d\n", adapter, adapter->drvr_sglimit, adapter->adapter_sglimit, adapter->mbox_count); |
| 1940 | blogic_info(" Driver Queue Depth: %d, " "Host Adapter Queue Depth: %d\n", adapter, adapter->drvr_qdepth, adapter->adapter_qdepth); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1941 | } else |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1942 | blogic_info(" Driver Queue Depth: %d, " "Scatter/Gather Limit: %d segments\n", adapter, adapter->drvr_qdepth, adapter->drvr_sglimit); |
| 1943 | blogic_info(" Tagged Queue Depth: ", adapter); |
| 1944 | common_tagq_depth = true; |
| 1945 | for (tgt_id = 1; tgt_id < adapter->maxdev; tgt_id++) |
| 1946 | if (adapter->qdepth[tgt_id] != adapter->qdepth[0]) { |
| 1947 | common_tagq_depth = false; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1948 | break; |
| 1949 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1950 | if (common_tagq_depth) { |
| 1951 | if (adapter->qdepth[0] > 0) |
| 1952 | blogic_info("%d", adapter, adapter->qdepth[0]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1953 | else |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1954 | blogic_info("Automatic", adapter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1955 | } else |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1956 | blogic_info("Individual", adapter); |
| 1957 | blogic_info(", Untagged Queue Depth: %d\n", adapter, |
| 1958 | adapter->untag_qdepth); |
| 1959 | if (adapter->terminfo_valid) { |
| 1960 | if (adapter->wide) |
| 1961 | blogic_info(" SCSI Bus Termination: %s", adapter, |
| 1962 | (adapter->low_term ? (adapter->high_term ? "Both Enabled" : "Low Enabled") : (adapter->high_term ? "High Enabled" : "Both Disabled"))); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1963 | else |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1964 | blogic_info(" SCSI Bus Termination: %s", adapter, |
| 1965 | (adapter->low_term ? "Enabled" : "Disabled")); |
| 1966 | if (adapter->scam) |
| 1967 | blogic_info(", SCAM: %s", adapter, |
| 1968 | (adapter->scam_enabled ? (adapter->scam_lev2 ? "Enabled, Level 2" : "Enabled, Level 1") : "Disabled")); |
| 1969 | blogic_info("\n", adapter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1970 | } |
| 1971 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1972 | Indicate reporting the Host Adapter configuration completed |
| 1973 | successfully. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1974 | */ |
| 1975 | return true; |
| 1976 | } |
| 1977 | |
| 1978 | |
| 1979 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1980 | blogic_getres acquires the system resources necessary to use |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1981 | Host Adapter. |
| 1982 | */ |
| 1983 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1984 | static bool __init blogic_getres(struct blogic_adapter *adapter) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1985 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1986 | if (adapter->irq_ch == 0) { |
| 1987 | blogic_err("NO LEGAL INTERRUPT CHANNEL ASSIGNED - DETACHING\n", |
| 1988 | adapter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1989 | return false; |
| 1990 | } |
| 1991 | /* |
| 1992 | Acquire shared access to the IRQ Channel. |
| 1993 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 1994 | if (request_irq(adapter->irq_ch, blogic_inthandler, IRQF_SHARED, |
| 1995 | adapter->full_model, adapter) < 0) { |
| 1996 | blogic_err("UNABLE TO ACQUIRE IRQ CHANNEL %d - DETACHING\n", |
| 1997 | adapter, adapter->irq_ch); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1998 | return false; |
| 1999 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2000 | adapter->irq_acquired = true; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2001 | /* |
| 2002 | Acquire exclusive access to the DMA Channel. |
| 2003 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2004 | if (adapter->dma_ch > 0) { |
| 2005 | if (request_dma(adapter->dma_ch, adapter->full_model) < 0) { |
| 2006 | blogic_err("UNABLE TO ACQUIRE DMA CHANNEL %d - DETACHING\n", adapter, adapter->dma_ch); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2007 | return false; |
| 2008 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2009 | set_dma_mode(adapter->dma_ch, DMA_MODE_CASCADE); |
| 2010 | enable_dma(adapter->dma_ch); |
| 2011 | adapter->dma_chan_acquired = true; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2012 | } |
| 2013 | /* |
| 2014 | Indicate the System Resource Acquisition completed successfully, |
| 2015 | */ |
| 2016 | return true; |
| 2017 | } |
| 2018 | |
| 2019 | |
| 2020 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2021 | blogic_relres releases any system resources previously acquired |
| 2022 | by blogic_getres. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2023 | */ |
| 2024 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2025 | static void blogic_relres(struct blogic_adapter *adapter) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2026 | { |
| 2027 | /* |
| 2028 | Release shared access to the IRQ Channel. |
| 2029 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2030 | if (adapter->irq_acquired) |
| 2031 | free_irq(adapter->irq_ch, adapter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2032 | /* |
| 2033 | Release exclusive access to the DMA Channel. |
| 2034 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2035 | if (adapter->dma_chan_acquired) |
| 2036 | free_dma(adapter->dma_ch); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2037 | /* |
| 2038 | Release any allocated memory structs not released elsewhere |
| 2039 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2040 | if (adapter->mbox_space) |
| 2041 | pci_free_consistent(adapter->pci_device, adapter->mbox_sz, |
| 2042 | adapter->mbox_space, adapter->mbox_space_handle); |
| 2043 | pci_dev_put(adapter->pci_device); |
| 2044 | adapter->mbox_space = NULL; |
| 2045 | adapter->mbox_space_handle = 0; |
| 2046 | adapter->mbox_sz = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2047 | } |
| 2048 | |
| 2049 | |
| 2050 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2051 | blogic_initadapter initializes Host Adapter. This is the only |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2052 | function called during SCSI Host Adapter detection which modifies the state |
| 2053 | of the Host Adapter from its initial power on or hard reset state. |
| 2054 | */ |
| 2055 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2056 | static bool blogic_initadapter(struct blogic_adapter *adapter) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2057 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2058 | struct blogic_extmbox_req extmbox_req; |
| 2059 | enum blogic_rr_req rr_req; |
| 2060 | enum blogic_setccb_fmt setccb_fmt; |
| 2061 | int tgt_id; |
| 2062 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2063 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2064 | Initialize the pointers to the first and last CCBs that are |
| 2065 | queued for completion processing. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2066 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2067 | adapter->firstccb = NULL; |
| 2068 | adapter->lastccb = NULL; |
| 2069 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2070 | /* |
| 2071 | Initialize the Bus Device Reset Pending CCB, Tagged Queuing Active, |
| 2072 | Command Successful Flag, Active Commands, and Commands Since Reset |
| 2073 | for each Target Device. |
| 2074 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2075 | for (tgt_id = 0; tgt_id < adapter->maxdev; tgt_id++) { |
| 2076 | adapter->bdr_pend[tgt_id] = NULL; |
| 2077 | adapter->tgt_flags[tgt_id].tagq_active = false; |
| 2078 | adapter->tgt_flags[tgt_id].cmd_good = false; |
| 2079 | adapter->active_cmds[tgt_id] = 0; |
| 2080 | adapter->cmds_since_rst[tgt_id] = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2081 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2082 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2083 | /* |
| 2084 | FlashPoint Host Adapters do not use Outgoing and Incoming Mailboxes. |
| 2085 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2086 | if (blogic_flashpoint_type(adapter)) |
| 2087 | goto done; |
| 2088 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2089 | /* |
| 2090 | Initialize the Outgoing and Incoming Mailbox pointers. |
| 2091 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2092 | adapter->mbox_sz = adapter->mbox_count * (sizeof(struct blogic_outbox) + sizeof(struct blogic_inbox)); |
| 2093 | adapter->mbox_space = pci_alloc_consistent(adapter->pci_device, |
| 2094 | adapter->mbox_sz, &adapter->mbox_space_handle); |
| 2095 | if (adapter->mbox_space == NULL) |
| 2096 | return blogic_failure(adapter, "MAILBOX ALLOCATION"); |
| 2097 | adapter->first_outbox = (struct blogic_outbox *) adapter->mbox_space; |
| 2098 | adapter->last_outbox = adapter->first_outbox + adapter->mbox_count - 1; |
| 2099 | adapter->next_outbox = adapter->first_outbox; |
| 2100 | adapter->first_inbox = (struct blogic_inbox *) (adapter->last_outbox + 1); |
| 2101 | adapter->last_inbox = adapter->first_inbox + adapter->mbox_count - 1; |
| 2102 | adapter->next_inbox = adapter->first_inbox; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2103 | |
| 2104 | /* |
| 2105 | Initialize the Outgoing and Incoming Mailbox structures. |
| 2106 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2107 | memset(adapter->first_outbox, 0, |
| 2108 | adapter->mbox_count * sizeof(struct blogic_outbox)); |
| 2109 | memset(adapter->first_inbox, 0, |
| 2110 | adapter->mbox_count * sizeof(struct blogic_inbox)); |
| 2111 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2112 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2113 | Initialize the Host Adapter's Pointer to the Outgoing/Incoming |
| 2114 | Mailboxes. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2115 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2116 | extmbox_req.mbox_count = adapter->mbox_count; |
| 2117 | extmbox_req.base_mbox_addr = (u32) adapter->mbox_space_handle; |
| 2118 | if (blogic_cmd(adapter, BLOGIC_INIT_EXT_MBOX, &extmbox_req, |
| 2119 | sizeof(extmbox_req), NULL, 0) < 0) |
| 2120 | return blogic_failure(adapter, "MAILBOX INITIALIZATION"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2121 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2122 | Enable Strict Round Robin Mode if supported by the Host Adapter. In |
| 2123 | Strict Round Robin Mode, the Host Adapter only looks at the next |
| 2124 | Outgoing Mailbox for each new command, rather than scanning |
| 2125 | through all the Outgoing Mailboxes to find any that have new |
| 2126 | commands in them. Strict Round Robin Mode is significantly more |
| 2127 | efficient. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2128 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2129 | if (adapter->strict_rr) { |
| 2130 | rr_req = BLOGIC_STRICT_RR_MODE; |
| 2131 | if (blogic_cmd(adapter, BLOGIC_STRICT_RR, &rr_req, |
| 2132 | sizeof(rr_req), NULL, 0) < 0) |
| 2133 | return blogic_failure(adapter, |
| 2134 | "ENABLE STRICT ROUND ROBIN MODE"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2135 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2136 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2137 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2138 | For Host Adapters that support Extended LUN Format CCBs, issue the |
| 2139 | Set CCB Format command to allow 32 Logical Units per Target Device. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2140 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2141 | if (adapter->ext_lun) { |
| 2142 | setccb_fmt = BLOGIC_EXT_LUN_CCB; |
| 2143 | if (blogic_cmd(adapter, BLOGIC_SETCCB_FMT, &setccb_fmt, |
| 2144 | sizeof(setccb_fmt), NULL, 0) < 0) |
| 2145 | return blogic_failure(adapter, "SET CCB FORMAT"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2146 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2147 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2148 | /* |
| 2149 | Announce Successful Initialization. |
| 2150 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2151 | done: |
| 2152 | if (!adapter->adapter_initd) { |
| 2153 | blogic_info("*** %s Initialized Successfully ***\n", adapter, |
| 2154 | adapter->full_model); |
| 2155 | blogic_info("\n", adapter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2156 | } else |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2157 | blogic_warn("*** %s Initialized Successfully ***\n", adapter, |
| 2158 | adapter->full_model); |
| 2159 | adapter->adapter_initd = true; |
| 2160 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2161 | /* |
| 2162 | Indicate the Host Adapter Initialization completed successfully. |
| 2163 | */ |
| 2164 | return true; |
| 2165 | } |
| 2166 | |
| 2167 | |
| 2168 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2169 | blogic_inquiry inquires about the Target Devices accessible |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2170 | through Host Adapter. |
| 2171 | */ |
| 2172 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2173 | static bool __init blogic_inquiry(struct blogic_adapter *adapter) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2174 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2175 | u16 installed_devs; |
| 2176 | u8 installed_devs0to7[8]; |
| 2177 | struct blogic_setup_info setupinfo; |
| 2178 | u8 sync_period[BLOGIC_MAXDEV]; |
| 2179 | unsigned char req_replylen; |
| 2180 | int tgt_id; |
| 2181 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2182 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2183 | Wait a few seconds between the Host Adapter Hard Reset which |
| 2184 | initiates a SCSI Bus Reset and issuing any SCSI Commands. Some |
| 2185 | SCSI devices get confused if they receive SCSI Commands too soon |
| 2186 | after a SCSI Bus Reset. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2187 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2188 | blogic_delay(adapter->bus_settle_time); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2189 | /* |
| 2190 | FlashPoint Host Adapters do not provide for Target Device Inquiry. |
| 2191 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2192 | if (blogic_flashpoint_type(adapter)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2193 | return true; |
| 2194 | /* |
| 2195 | Inhibit the Target Device Inquiry if requested. |
| 2196 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2197 | if (adapter->drvr_opts != NULL && adapter->drvr_opts->stop_tgt_inquiry) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2198 | return true; |
| 2199 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2200 | Issue the Inquire Target Devices command for host adapters with |
| 2201 | firmware version 4.25 or later, or the Inquire Installed Devices |
| 2202 | ID 0 to 7 command for older host adapters. This is necessary to |
| 2203 | force Synchronous Transfer Negotiation so that the Inquire Setup |
| 2204 | Information and Inquire Synchronous Period commands will return |
| 2205 | valid data. The Inquire Target Devices command is preferable to |
| 2206 | Inquire Installed Devices ID 0 to 7 since it only probes Logical |
| 2207 | Unit 0 of each Target Device. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2208 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2209 | if (strcmp(adapter->fw_ver, "4.25") >= 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2210 | |
| 2211 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2212 | Issue a Inquire Target Devices command. Inquire Target |
| 2213 | Devices only tests Logical Unit 0 of each Target Device |
| 2214 | unlike the Inquire Installed Devices commands which test |
| 2215 | Logical Units 0 - 7. Two bytes are returned, where byte |
| 2216 | 0 bit 0 set indicates that Target Device 0 exists, and so on. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2217 | */ |
| 2218 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2219 | if (blogic_cmd(adapter, BLOGIC_INQ_DEV, NULL, 0, |
| 2220 | &installed_devs, sizeof(installed_devs)) |
| 2221 | != sizeof(installed_devs)) |
| 2222 | return blogic_failure(adapter, "INQUIRE TARGET DEVICES"); |
| 2223 | for (tgt_id = 0; tgt_id < adapter->maxdev; tgt_id++) |
| 2224 | adapter->tgt_flags[tgt_id].tgt_exists = |
| 2225 | (installed_devs & (1 << tgt_id) ? true : false); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2226 | } else { |
| 2227 | |
| 2228 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2229 | Issue an Inquire Installed Devices command. For each |
| 2230 | Target Device, a byte is returned where bit 0 set |
| 2231 | indicates that Logical Unit 0 * exists, bit 1 set |
| 2232 | indicates that Logical Unit 1 exists, and so on. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2233 | */ |
| 2234 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2235 | if (blogic_cmd(adapter, BLOGIC_INQ_DEV0TO7, NULL, 0, |
| 2236 | &installed_devs0to7, sizeof(installed_devs0to7)) |
| 2237 | != sizeof(installed_devs0to7)) |
| 2238 | return blogic_failure(adapter, |
| 2239 | "INQUIRE INSTALLED DEVICES ID 0 TO 7"); |
| 2240 | for (tgt_id = 0; tgt_id < 8; tgt_id++) |
| 2241 | adapter->tgt_flags[tgt_id].tgt_exists = |
| 2242 | (installed_devs0to7[tgt_id] != 0 ? true : false); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2243 | } |
| 2244 | /* |
| 2245 | Issue the Inquire Setup Information command. |
| 2246 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2247 | req_replylen = sizeof(setupinfo); |
| 2248 | if (blogic_cmd(adapter, BLOGIC_INQ_SETUPINFO, &req_replylen, |
| 2249 | sizeof(req_replylen), &setupinfo, sizeof(setupinfo)) |
| 2250 | != sizeof(setupinfo)) |
| 2251 | return blogic_failure(adapter, "INQUIRE SETUP INFORMATION"); |
| 2252 | for (tgt_id = 0; tgt_id < adapter->maxdev; tgt_id++) |
| 2253 | adapter->sync_offset[tgt_id] = (tgt_id < 8 ? setupinfo.sync0to7[tgt_id].offset : setupinfo.sync8to15[tgt_id - 8].offset); |
| 2254 | if (strcmp(adapter->fw_ver, "5.06L") >= 0) |
| 2255 | for (tgt_id = 0; tgt_id < adapter->maxdev; tgt_id++) |
| 2256 | adapter->tgt_flags[tgt_id].wide_active = (tgt_id < 8 ? (setupinfo.wide_tx_active0to7 & (1 << tgt_id) ? true : false) : (setupinfo.wide_tx_active8to15 & (1 << (tgt_id - 8)) ? true : false)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2257 | /* |
| 2258 | Issue the Inquire Synchronous Period command. |
| 2259 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2260 | if (adapter->fw_ver[0] >= '3') { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2261 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2262 | /* Issue a Inquire Synchronous Period command. For each |
| 2263 | Target Device, a byte is returned which represents the |
| 2264 | Synchronous Transfer Period in units of 10 nanoseconds. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2265 | */ |
| 2266 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2267 | req_replylen = sizeof(sync_period); |
| 2268 | if (blogic_cmd(adapter, BLOGIC_INQ_SYNC_PERIOD, &req_replylen, |
| 2269 | sizeof(req_replylen), &sync_period, |
| 2270 | sizeof(sync_period)) != sizeof(sync_period)) |
| 2271 | return blogic_failure(adapter, |
| 2272 | "INQUIRE SYNCHRONOUS PERIOD"); |
| 2273 | for (tgt_id = 0; tgt_id < adapter->maxdev; tgt_id++) |
| 2274 | adapter->sync_period[tgt_id] = sync_period[tgt_id]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2275 | } else |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2276 | for (tgt_id = 0; tgt_id < adapter->maxdev; tgt_id++) |
| 2277 | if (setupinfo.sync0to7[tgt_id].offset > 0) |
| 2278 | adapter->sync_period[tgt_id] = 20 + 5 * setupinfo.sync0to7[tgt_id].tx_period; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2279 | /* |
| 2280 | Indicate the Target Device Inquiry completed successfully. |
| 2281 | */ |
| 2282 | return true; |
| 2283 | } |
| 2284 | |
| 2285 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2286 | blogic_inithoststruct initializes the fields in the SCSI Host |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2287 | structure. The base, io_port, n_io_ports, irq, and dma_channel fields in the |
| 2288 | SCSI Host structure are intentionally left uninitialized, as this driver |
| 2289 | handles acquisition and release of these resources explicitly, as well as |
| 2290 | ensuring exclusive access to the Host Adapter hardware and data structures |
| 2291 | through explicit acquisition and release of the Host Adapter's Lock. |
| 2292 | */ |
| 2293 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2294 | static void __init blogic_inithoststruct(struct blogic_adapter *adapter, |
| 2295 | struct Scsi_Host *host) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2296 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2297 | host->max_id = adapter->maxdev; |
| 2298 | host->max_lun = adapter->maxlun; |
| 2299 | host->max_channel = 0; |
| 2300 | host->unique_id = adapter->io_addr; |
| 2301 | host->this_id = adapter->scsi_id; |
| 2302 | host->can_queue = adapter->drvr_qdepth; |
| 2303 | host->sg_tablesize = adapter->drvr_sglimit; |
| 2304 | host->unchecked_isa_dma = adapter->need_bouncebuf; |
| 2305 | host->cmd_per_lun = adapter->untag_qdepth; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2306 | } |
| 2307 | |
| 2308 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2309 | blogic_slaveconfig will actually set the queue depth on individual |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2310 | scsi devices as they are permanently added to the device chain. We |
| 2311 | shamelessly rip off the SelectQueueDepths code to make this work mostly |
| 2312 | like it used to. Since we don't get called once at the end of the scan |
| 2313 | but instead get called for each device, we have to do things a bit |
| 2314 | differently. |
| 2315 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2316 | static int blogic_slaveconfig(struct scsi_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2317 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2318 | struct blogic_adapter *adapter = |
| 2319 | (struct blogic_adapter *) dev->host->hostdata; |
| 2320 | int tgt_id = dev->id; |
| 2321 | int qdepth = adapter->qdepth[tgt_id]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2322 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2323 | if (adapter->tgt_flags[tgt_id].tagq_ok && |
| 2324 | (adapter->tagq_ok & (1 << tgt_id))) { |
| 2325 | if (qdepth == 0) |
| 2326 | qdepth = BLOGIC_MAX_AUTO_TAG_DEPTH; |
| 2327 | adapter->qdepth[tgt_id] = qdepth; |
| 2328 | scsi_adjust_queue_depth(dev, MSG_SIMPLE_TAG, qdepth); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2329 | } else { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2330 | adapter->tagq_ok &= ~(1 << tgt_id); |
| 2331 | qdepth = adapter->untag_qdepth; |
| 2332 | adapter->qdepth[tgt_id] = qdepth; |
| 2333 | scsi_adjust_queue_depth(dev, 0, qdepth); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2334 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2335 | qdepth = 0; |
| 2336 | for (tgt_id = 0; tgt_id < adapter->maxdev; tgt_id++) |
| 2337 | if (adapter->tgt_flags[tgt_id].tgt_exists) |
| 2338 | qdepth += adapter->qdepth[tgt_id]; |
| 2339 | if (qdepth > adapter->alloc_ccbs) |
| 2340 | blogic_create_addlccbs(adapter, qdepth - adapter->alloc_ccbs, |
| 2341 | false); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2342 | return 0; |
| 2343 | } |
| 2344 | |
| 2345 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2346 | blogic_init probes for BusLogic Host Adapters at the standard |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2347 | I/O Addresses where they may be located, initializing, registering, and |
| 2348 | reporting the configuration of each BusLogic Host Adapter it finds. It |
| 2349 | returns the number of BusLogic Host Adapters successfully initialized and |
| 2350 | registered. |
| 2351 | */ |
| 2352 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2353 | static int __init blogic_init(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2354 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2355 | int adapter_count = 0, drvr_optindex = 0, probeindex; |
| 2356 | struct blogic_adapter *adapter; |
Daniel Walker | d2afb3a | 2006-08-14 23:09:23 -0700 | [diff] [blame] | 2357 | int ret = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2358 | |
| 2359 | #ifdef MODULE |
| 2360 | if (BusLogic) |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2361 | blogic_setup(BusLogic); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2362 | #endif |
| 2363 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2364 | if (blogic_probe_options.noprobe) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2365 | return -ENODEV; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2366 | blogic_probeinfo_list = |
| 2367 | kzalloc(BLOGIC_MAX_ADAPTERS * sizeof(struct blogic_probeinfo), |
| 2368 | GFP_KERNEL); |
| 2369 | if (blogic_probeinfo_list == NULL) { |
| 2370 | blogic_err("BusLogic: Unable to allocate Probe Info List\n", |
| 2371 | NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2372 | return -ENOMEM; |
| 2373 | } |
Jeff Garzik | db3a881 | 2006-11-08 19:56:20 -0800 | [diff] [blame] | 2374 | |
Khalid Aziz | 391e2f2 | 2013-05-16 19:44:14 -0600 | [diff] [blame^] | 2375 | adapter = kzalloc(sizeof(struct blogic_adapter), GFP_KERNEL); |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2376 | if (adapter == NULL) { |
| 2377 | kfree(blogic_probeinfo_list); |
| 2378 | blogic_err("BusLogic: Unable to allocate Prototype Host Adapter\n", NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2379 | return -ENOMEM; |
| 2380 | } |
Jeff Garzik | db3a881 | 2006-11-08 19:56:20 -0800 | [diff] [blame] | 2381 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2382 | #ifdef MODULE |
| 2383 | if (BusLogic != NULL) |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2384 | blogic_setup(BusLogic); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2385 | #endif |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2386 | blogic_init_probeinfo_list(adapter); |
| 2387 | for (probeindex = 0; probeindex < blogic_probeinfo_count; probeindex++) { |
| 2388 | struct blogic_probeinfo *probeinfo = |
| 2389 | &blogic_probeinfo_list[probeindex]; |
| 2390 | struct blogic_adapter *myadapter = adapter; |
| 2391 | struct Scsi_Host *host; |
| 2392 | |
| 2393 | if (probeinfo->io_addr == 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2394 | continue; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2395 | memset(myadapter, 0, sizeof(struct blogic_adapter)); |
| 2396 | myadapter->adapter_type = probeinfo->adapter_type; |
| 2397 | myadapter->adapter_bus_type = probeinfo->adapter_bus_type; |
| 2398 | myadapter->io_addr = probeinfo->io_addr; |
| 2399 | myadapter->pci_addr = probeinfo->pci_addr; |
| 2400 | myadapter->bus = probeinfo->bus; |
| 2401 | myadapter->dev = probeinfo->dev; |
| 2402 | myadapter->pci_device = probeinfo->pci_device; |
| 2403 | myadapter->irq_ch = probeinfo->irq_ch; |
| 2404 | myadapter->addr_count = |
| 2405 | blogic_adapter_addr_count[myadapter->adapter_type]; |
Zachary Amsden | 1079a2d | 2007-04-10 08:53:08 -0500 | [diff] [blame] | 2406 | |
| 2407 | /* |
| 2408 | Make sure region is free prior to probing. |
| 2409 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2410 | if (!request_region(myadapter->io_addr, myadapter->addr_count, |
Zachary Amsden | 1079a2d | 2007-04-10 08:53:08 -0500 | [diff] [blame] | 2411 | "BusLogic")) |
| 2412 | continue; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2413 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2414 | Probe the Host Adapter. If unsuccessful, abort further |
| 2415 | initialization. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2416 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2417 | if (!blogic_probe(myadapter)) { |
| 2418 | release_region(myadapter->io_addr, |
| 2419 | myadapter->addr_count); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2420 | continue; |
Zachary Amsden | 1079a2d | 2007-04-10 08:53:08 -0500 | [diff] [blame] | 2421 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2422 | /* |
| 2423 | Hard Reset the Host Adapter. If unsuccessful, abort further |
| 2424 | initialization. |
| 2425 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2426 | if (!blogic_hwreset(myadapter, true)) { |
| 2427 | release_region(myadapter->io_addr, |
| 2428 | myadapter->addr_count); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2429 | continue; |
Zachary Amsden | 1079a2d | 2007-04-10 08:53:08 -0500 | [diff] [blame] | 2430 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2431 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2432 | Check the Host Adapter. If unsuccessful, abort further |
| 2433 | initialization. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2434 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2435 | if (!blogic_checkadapter(myadapter)) { |
| 2436 | release_region(myadapter->io_addr, |
| 2437 | myadapter->addr_count); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2438 | continue; |
Zachary Amsden | 1079a2d | 2007-04-10 08:53:08 -0500 | [diff] [blame] | 2439 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2440 | /* |
| 2441 | Initialize the Driver Options field if provided. |
| 2442 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2443 | if (drvr_optindex < blogic_drvr_options_count) |
| 2444 | myadapter->drvr_opts = |
| 2445 | &blogic_drvr_options[drvr_optindex++]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2446 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2447 | Announce the Driver Version and Date, Author's Name, |
| 2448 | Copyright Notice, and Electronic Mail Address. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2449 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2450 | blogic_announce_drvr(myadapter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2451 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2452 | Register the SCSI Host structure. |
| 2453 | */ |
| 2454 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2455 | host = scsi_host_alloc(&blogic_template, |
| 2456 | sizeof(struct blogic_adapter)); |
| 2457 | if (host == NULL) { |
| 2458 | release_region(myadapter->io_addr, |
| 2459 | myadapter->addr_count); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2460 | continue; |
| 2461 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2462 | myadapter = (struct blogic_adapter *) host->hostdata; |
| 2463 | memcpy(myadapter, adapter, sizeof(struct blogic_adapter)); |
| 2464 | myadapter->scsi_host = host; |
| 2465 | myadapter->host_no = host->host_no; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2466 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2467 | Add Host Adapter to the end of the list of registered |
| 2468 | BusLogic Host Adapters. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2469 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2470 | list_add_tail(&myadapter->host_list, &blogic_host_list); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2471 | |
| 2472 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2473 | Read the Host Adapter Configuration, Configure the Host |
| 2474 | Adapter, Acquire the System Resources necessary to use |
| 2475 | the Host Adapter, then Create the Initial CCBs, Initialize |
| 2476 | the Host Adapter, and finally perform Target Device |
| 2477 | Inquiry. From this point onward, any failure will be |
| 2478 | assumed to be due to a problem with the Host Adapter, |
| 2479 | rather than due to having mistakenly identified this port |
| 2480 | as belonging to a BusLogic Host Adapter. The I/O Address |
| 2481 | range will not be released, thereby preventing it from |
| 2482 | being incorrectly identified as any other type of Host |
| 2483 | Adapter. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2484 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2485 | if (blogic_rdconfig(myadapter) && |
| 2486 | blogic_reportconfig(myadapter) && |
| 2487 | blogic_getres(myadapter) && |
| 2488 | blogic_create_initccbs(myadapter) && |
| 2489 | blogic_initadapter(myadapter) && |
| 2490 | blogic_inquiry(myadapter)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2491 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2492 | Initialization has been completed successfully. |
| 2493 | Release and re-register usage of the I/O Address |
| 2494 | range so that the Model Name of the Host Adapter |
| 2495 | will appear, and initialize the SCSI Host structure. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2496 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2497 | release_region(myadapter->io_addr, |
| 2498 | myadapter->addr_count); |
| 2499 | if (!request_region(myadapter->io_addr, |
| 2500 | myadapter->addr_count, |
| 2501 | myadapter->full_model)) { |
Daniel Walker | d2afb3a | 2006-08-14 23:09:23 -0700 | [diff] [blame] | 2502 | printk(KERN_WARNING |
| 2503 | "BusLogic: Release and re-register of " |
| 2504 | "port 0x%04lx failed \n", |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2505 | (unsigned long)myadapter->io_addr); |
| 2506 | blogic_destroy_ccbs(myadapter); |
| 2507 | blogic_relres(myadapter); |
| 2508 | list_del(&myadapter->host_list); |
| 2509 | scsi_host_put(host); |
Daniel Walker | d2afb3a | 2006-08-14 23:09:23 -0700 | [diff] [blame] | 2510 | ret = -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2511 | } else { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2512 | blogic_inithoststruct(myadapter, |
| 2513 | host); |
| 2514 | if (scsi_add_host(host, myadapter->pci_device |
| 2515 | ? &myadapter->pci_device->dev |
Daniel Walker | d2afb3a | 2006-08-14 23:09:23 -0700 | [diff] [blame] | 2516 | : NULL)) { |
| 2517 | printk(KERN_WARNING |
| 2518 | "BusLogic: scsi_add_host()" |
| 2519 | "failed!\n"); |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2520 | blogic_destroy_ccbs(myadapter); |
| 2521 | blogic_relres(myadapter); |
| 2522 | list_del(&myadapter->host_list); |
| 2523 | scsi_host_put(host); |
Daniel Walker | d2afb3a | 2006-08-14 23:09:23 -0700 | [diff] [blame] | 2524 | ret = -ENODEV; |
| 2525 | } else { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2526 | scsi_scan_host(host); |
| 2527 | adapter_count++; |
Daniel Walker | d2afb3a | 2006-08-14 23:09:23 -0700 | [diff] [blame] | 2528 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2529 | } |
| 2530 | } else { |
| 2531 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2532 | An error occurred during Host Adapter Configuration |
| 2533 | Querying, Host Adapter Configuration, Resource |
| 2534 | Acquisition, CCB Creation, Host Adapter |
| 2535 | Initialization, or Target Device Inquiry, so |
| 2536 | remove Host Adapter from the list of registered |
| 2537 | BusLogic Host Adapters, destroy the CCBs, Release |
| 2538 | the System Resources, and Unregister the SCSI |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2539 | Host. |
| 2540 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2541 | blogic_destroy_ccbs(myadapter); |
| 2542 | blogic_relres(myadapter); |
| 2543 | list_del(&myadapter->host_list); |
| 2544 | scsi_host_put(host); |
Daniel Walker | d2afb3a | 2006-08-14 23:09:23 -0700 | [diff] [blame] | 2545 | ret = -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2546 | } |
| 2547 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2548 | kfree(adapter); |
| 2549 | kfree(blogic_probeinfo_list); |
| 2550 | blogic_probeinfo_list = NULL; |
Daniel Walker | d2afb3a | 2006-08-14 23:09:23 -0700 | [diff] [blame] | 2551 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2552 | } |
| 2553 | |
| 2554 | |
| 2555 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2556 | blogic_deladapter releases all resources previously acquired to |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2557 | support a specific Host Adapter, including the I/O Address range, and |
| 2558 | unregisters the BusLogic Host Adapter. |
| 2559 | */ |
| 2560 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2561 | static int __exit blogic_deladapter(struct blogic_adapter *adapter) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2562 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2563 | struct Scsi_Host *host = adapter->scsi_host; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2564 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2565 | scsi_remove_host(host); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2566 | |
| 2567 | /* |
| 2568 | FlashPoint Host Adapters must first be released by the FlashPoint |
| 2569 | SCCB Manager. |
| 2570 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2571 | if (blogic_flashpoint_type(adapter)) |
| 2572 | FlashPoint_ReleaseHostAdapter(adapter->cardhandle); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2573 | /* |
| 2574 | Destroy the CCBs and release any system resources acquired to |
| 2575 | support Host Adapter. |
| 2576 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2577 | blogic_destroy_ccbs(adapter); |
| 2578 | blogic_relres(adapter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2579 | /* |
| 2580 | Release usage of the I/O Address range. |
| 2581 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2582 | release_region(adapter->io_addr, adapter->addr_count); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2583 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2584 | Remove Host Adapter from the list of registered BusLogic |
| 2585 | Host Adapters. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2586 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2587 | list_del(&adapter->host_list); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2588 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2589 | scsi_host_put(host); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2590 | return 0; |
| 2591 | } |
| 2592 | |
| 2593 | |
| 2594 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2595 | blogic_qcompleted_ccb queues CCB for completion processing. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2596 | */ |
| 2597 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2598 | static void blogic_qcompleted_ccb(struct blogic_ccb *ccb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2599 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2600 | struct blogic_adapter *adapter = ccb->adapter; |
| 2601 | |
| 2602 | ccb->status = BLOGIC_CCB_COMPLETE; |
| 2603 | ccb->next = NULL; |
| 2604 | if (adapter->firstccb == NULL) { |
| 2605 | adapter->firstccb = ccb; |
| 2606 | adapter->lastccb = ccb; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2607 | } else { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2608 | adapter->lastccb->next = ccb; |
| 2609 | adapter->lastccb = ccb; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2610 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2611 | adapter->active_cmds[ccb->tgt_id]--; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2612 | } |
| 2613 | |
| 2614 | |
| 2615 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2616 | blogic_resultcode computes a SCSI Subsystem Result Code from |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2617 | the Host Adapter Status and Target Device Status. |
| 2618 | */ |
| 2619 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2620 | static int blogic_resultcode(struct blogic_adapter *adapter, |
| 2621 | enum blogic_adapter_status adapter_status, |
| 2622 | enum blogic_tgt_status tgt_status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2623 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2624 | int hoststatus; |
| 2625 | |
| 2626 | switch (adapter_status) { |
| 2627 | case BLOGIC_CMD_CMPLT_NORMAL: |
| 2628 | case BLOGIC_LINK_CMD_CMPLT: |
| 2629 | case BLOGIC_LINK_CMD_CMPLT_FLAG: |
| 2630 | hoststatus = DID_OK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2631 | break; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2632 | case BLOGIC_SELECT_TIMEOUT: |
| 2633 | hoststatus = DID_TIME_OUT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2634 | break; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2635 | case BLOGIC_INVALID_OUTBOX_CODE: |
| 2636 | case BLOGIC_INVALID_CMD_CODE: |
| 2637 | case BLOGIC_BAD_CMD_PARAM: |
| 2638 | blogic_warn("BusLogic Driver Protocol Error 0x%02X\n", |
| 2639 | adapter, adapter_status); |
| 2640 | case BLOGIC_DATA_UNDERRUN: |
| 2641 | case BLOGIC_DATA_OVERRUN: |
| 2642 | case BLOGIC_NOEXPECT_BUSFREE: |
| 2643 | case BLOGIC_LINKCCB_BADLUN: |
| 2644 | case BLOGIC_AUTOREQSENSE_FAIL: |
| 2645 | case BLOGIC_TAGQUEUE_REJECT: |
| 2646 | case BLOGIC_BAD_MSG_RCVD: |
| 2647 | case BLOGIC_HW_FAIL: |
| 2648 | case BLOGIC_BAD_RECONNECT: |
| 2649 | case BLOGIC_ABRT_QUEUE: |
| 2650 | case BLOGIC_ADAPTER_SW_ERROR: |
| 2651 | case BLOGIC_HW_TIMEOUT: |
| 2652 | case BLOGIC_PARITY_ERR: |
| 2653 | hoststatus = DID_ERROR; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2654 | break; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2655 | case BLOGIC_INVALID_BUSPHASE: |
| 2656 | case BLOGIC_NORESPONSE_TO_ATN: |
| 2657 | case BLOGIC_HW_RESET: |
| 2658 | case BLOGIC_RST_FROM_OTHERDEV: |
| 2659 | case BLOGIC_HW_BDR: |
| 2660 | hoststatus = DID_RESET; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2661 | break; |
| 2662 | default: |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2663 | blogic_warn("Unknown Host Adapter Status 0x%02X\n", adapter, |
| 2664 | adapter_status); |
| 2665 | hoststatus = DID_ERROR; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2666 | break; |
| 2667 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2668 | return (hoststatus << 16) | tgt_status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2669 | } |
| 2670 | |
| 2671 | |
| 2672 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2673 | blogic_scan_inbox scans the Incoming Mailboxes saving any |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2674 | Incoming Mailbox entries for completion processing. |
| 2675 | */ |
| 2676 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2677 | static void blogic_scan_inbox(struct blogic_adapter *adapter) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2678 | { |
| 2679 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2680 | Scan through the Incoming Mailboxes in Strict Round Robin |
| 2681 | fashion, saving any completed CCBs for further processing. It |
| 2682 | is essential that for each CCB and SCSI Command issued, command |
| 2683 | completion processing is performed exactly once. Therefore, |
| 2684 | only Incoming Mailboxes with completion code Command Completed |
| 2685 | Without Error, Command Completed With Error, or Command Aborted |
| 2686 | At Host Request are saved for completion processing. When an |
| 2687 | Incoming Mailbox has a completion code of Aborted Command Not |
| 2688 | Found, the CCB had already completed or been aborted before the |
| 2689 | current Abort request was processed, and so completion processing |
| 2690 | has already occurred and no further action should be taken. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2691 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2692 | struct blogic_inbox *next_inbox = adapter->next_inbox; |
| 2693 | enum blogic_cmplt_code comp_code; |
| 2694 | |
| 2695 | while ((comp_code = next_inbox->comp_code) != BLOGIC_INBOX_FREE) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2696 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2697 | We are only allowed to do this because we limit our |
| 2698 | architectures we run on to machines where bus_to_virt( |
| 2699 | actually works. There *needs* to be a dma_addr_to_virt() |
| 2700 | in the new PCI DMA mapping interface to replace |
| 2701 | bus_to_virt() or else this code is going to become very |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2702 | innefficient. |
| 2703 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2704 | struct blogic_ccb *ccb = |
| 2705 | (struct blogic_ccb *) bus_to_virt(next_inbox->ccb); |
| 2706 | if (comp_code != BLOGIC_CMD_NOTFOUND) { |
| 2707 | if (ccb->status == BLOGIC_CCB_ACTIVE || |
| 2708 | ccb->status == BLOGIC_CCB_RESET) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2709 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2710 | Save the Completion Code for this CCB and |
| 2711 | queue the CCB for completion processing. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2712 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2713 | ccb->comp_code = comp_code; |
| 2714 | blogic_qcompleted_ccb(ccb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2715 | } else { |
| 2716 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2717 | If a CCB ever appears in an Incoming Mailbox |
| 2718 | and is not marked as status Active or Reset, |
| 2719 | then there is most likely a bug in |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2720 | the Host Adapter firmware. |
| 2721 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2722 | blogic_warn("Illegal CCB #%ld status %d in " "Incoming Mailbox\n", adapter, ccb->serial, ccb->status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2723 | } |
| 2724 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2725 | next_inbox->comp_code = BLOGIC_INBOX_FREE; |
| 2726 | if (++next_inbox > adapter->last_inbox) |
| 2727 | next_inbox = adapter->first_inbox; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2728 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2729 | adapter->next_inbox = next_inbox; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2730 | } |
| 2731 | |
| 2732 | |
| 2733 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2734 | blogic_process_ccbs iterates over the completed CCBs for Host |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2735 | Adapter setting the SCSI Command Result Codes, deallocating the CCBs, and |
| 2736 | calling the SCSI Subsystem Completion Routines. The Host Adapter's Lock |
| 2737 | should already have been acquired by the caller. |
| 2738 | */ |
| 2739 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2740 | static void blogic_process_ccbs(struct blogic_adapter *adapter) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2741 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2742 | if (adapter->processing_ccbs) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2743 | return; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2744 | adapter->processing_ccbs = true; |
| 2745 | while (adapter->firstccb != NULL) { |
| 2746 | struct blogic_ccb *ccb = adapter->firstccb; |
| 2747 | struct scsi_cmnd *command = ccb->command; |
| 2748 | adapter->firstccb = ccb->next; |
| 2749 | if (adapter->firstccb == NULL) |
| 2750 | adapter->lastccb = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2751 | /* |
| 2752 | Process the Completed CCB. |
| 2753 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2754 | if (ccb->opcode == BLOGIC_BDR) { |
| 2755 | int tgt_id = ccb->tgt_id; |
| 2756 | |
| 2757 | blogic_warn("Bus Device Reset CCB #%ld to Target " "%d Completed\n", adapter, ccb->serial, tgt_id); |
| 2758 | blogic_inc_count(&adapter->tgt_stats[tgt_id].bdr_done); |
| 2759 | adapter->tgt_flags[tgt_id].tagq_active = false; |
| 2760 | adapter->cmds_since_rst[tgt_id] = 0; |
| 2761 | adapter->last_resetdone[tgt_id] = jiffies; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2762 | /* |
| 2763 | Place CCB back on the Host Adapter's free list. |
| 2764 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2765 | blogic_dealloc_ccb(ccb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2766 | #if 0 /* this needs to be redone different for new EH */ |
| 2767 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2768 | Bus Device Reset CCBs have the command field |
| 2769 | non-NULL only when a Bus Device Reset was requested |
| 2770 | for a command that did not have a currently active |
| 2771 | CCB in the Host Adapter (i.e., a Synchronous Bus |
| 2772 | Device Reset), and hence would not have its |
| 2773 | Completion Routine called otherwise. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2774 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2775 | while (command != NULL) { |
| 2776 | struct scsi_cmnd *nxt_cmd = |
| 2777 | command->reset_chain; |
| 2778 | command->reset_chain = NULL; |
| 2779 | command->result = DID_RESET << 16; |
| 2780 | command->scsi_done(command); |
| 2781 | command = nxt_cmd; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2782 | } |
| 2783 | #endif |
| 2784 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2785 | Iterate over the CCBs for this Host Adapter |
| 2786 | performing completion processing for any CCBs |
| 2787 | marked as Reset for this Target. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2788 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2789 | for (ccb = adapter->all_ccbs; ccb != NULL; |
| 2790 | ccb = ccb->next_all) |
| 2791 | if (ccb->status == BLOGIC_CCB_RESET && |
| 2792 | ccb->tgt_id == tgt_id) { |
| 2793 | command = ccb->command; |
| 2794 | blogic_dealloc_ccb(ccb); |
| 2795 | adapter->active_cmds[tgt_id]--; |
| 2796 | command->result = DID_RESET << 16; |
| 2797 | command->scsi_done(command); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2798 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2799 | adapter->bdr_pend[tgt_id] = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2800 | } else { |
| 2801 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2802 | Translate the Completion Code, Host Adapter Status, |
| 2803 | and Target Device Status into a SCSI Subsystem |
| 2804 | Result Code. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2805 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2806 | switch (ccb->comp_code) { |
| 2807 | case BLOGIC_INBOX_FREE: |
| 2808 | case BLOGIC_CMD_NOTFOUND: |
| 2809 | case BLOGIC_INVALID_CCB: |
| 2810 | blogic_warn("CCB #%ld to Target %d Impossible State\n", adapter, ccb->serial, ccb->tgt_id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2811 | break; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2812 | case BLOGIC_CMD_COMPLETE_GOOD: |
| 2813 | adapter->tgt_stats[ccb->tgt_id] |
| 2814 | .cmds_complete++; |
| 2815 | adapter->tgt_flags[ccb->tgt_id] |
| 2816 | .cmd_good = true; |
| 2817 | command->result = DID_OK << 16; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2818 | break; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2819 | case BLOGIC_CMD_ABORT_BY_HOST: |
| 2820 | blogic_warn("CCB #%ld to Target %d Aborted\n", |
| 2821 | adapter, ccb->serial, ccb->tgt_id); |
| 2822 | blogic_inc_count(&adapter->tgt_stats[ccb->tgt_id].aborts_done); |
| 2823 | command->result = DID_ABORT << 16; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2824 | break; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2825 | case BLOGIC_CMD_COMPLETE_ERROR: |
| 2826 | command->result = blogic_resultcode(adapter, |
| 2827 | ccb->adapter_status, ccb->tgt_status); |
| 2828 | if (ccb->adapter_status != BLOGIC_SELECT_TIMEOUT) { |
| 2829 | adapter->tgt_stats[ccb->tgt_id] |
| 2830 | .cmds_complete++; |
| 2831 | if (blogic_global_options.trace_err) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2832 | int i; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2833 | blogic_notice("CCB #%ld Target %d: Result %X Host " |
| 2834 | "Adapter Status %02X " "Target Status %02X\n", adapter, ccb->serial, ccb->tgt_id, command->result, ccb->adapter_status, ccb->tgt_status); |
| 2835 | blogic_notice("CDB ", adapter); |
| 2836 | for (i = 0; i < ccb->cdblen; i++) |
| 2837 | blogic_notice(" %02X", adapter, ccb->cdb[i]); |
| 2838 | blogic_notice("\n", adapter); |
| 2839 | blogic_notice("Sense ", adapter); |
| 2840 | for (i = 0; i < ccb->sense_datalen; i++) |
| 2841 | blogic_notice(" %02X", adapter, command->sense_buffer[i]); |
| 2842 | blogic_notice("\n", adapter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2843 | } |
| 2844 | } |
| 2845 | break; |
| 2846 | } |
| 2847 | /* |
| 2848 | When an INQUIRY command completes normally, save the |
| 2849 | CmdQue (Tagged Queuing Supported) and WBus16 (16 Bit |
| 2850 | Wide Data Transfers Supported) bits. |
| 2851 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2852 | if (ccb->cdb[0] == INQUIRY && ccb->cdb[1] == 0 && |
| 2853 | ccb->adapter_status == BLOGIC_CMD_CMPLT_NORMAL) { |
| 2854 | struct blogic_tgt_flags *tgt_flags = |
| 2855 | &adapter->tgt_flags[ccb->tgt_id]; |
| 2856 | struct scsi_inquiry *inquiry = |
| 2857 | (struct scsi_inquiry *) scsi_sglist(command); |
| 2858 | tgt_flags->tgt_exists = true; |
| 2859 | tgt_flags->tagq_ok = inquiry->CmdQue; |
| 2860 | tgt_flags->wide_ok = inquiry->WBus16; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2861 | } |
| 2862 | /* |
| 2863 | Place CCB back on the Host Adapter's free list. |
| 2864 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2865 | blogic_dealloc_ccb(ccb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2866 | /* |
| 2867 | Call the SCSI Command Completion Routine. |
| 2868 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2869 | command->scsi_done(command); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2870 | } |
| 2871 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2872 | adapter->processing_ccbs = false; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2873 | } |
| 2874 | |
| 2875 | |
| 2876 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2877 | blogic_inthandler handles hardware interrupts from BusLogic Host |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2878 | Adapters. |
| 2879 | */ |
| 2880 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2881 | static irqreturn_t blogic_inthandler(int irq_ch, void *devid) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2882 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2883 | struct blogic_adapter *adapter = (struct blogic_adapter *) devid; |
| 2884 | unsigned long processor_flag; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2885 | /* |
| 2886 | Acquire exclusive access to Host Adapter. |
| 2887 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2888 | spin_lock_irqsave(adapter->scsi_host->host_lock, processor_flag); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2889 | /* |
| 2890 | Handle Interrupts appropriately for each Host Adapter type. |
| 2891 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2892 | if (blogic_multimaster_type(adapter)) { |
| 2893 | union blogic_int_reg intreg; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2894 | /* |
| 2895 | Read the Host Adapter Interrupt Register. |
| 2896 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2897 | intreg.all = blogic_rdint(adapter); |
| 2898 | if (intreg.ir.int_valid) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2899 | /* |
| 2900 | Acknowledge the interrupt and reset the Host Adapter |
| 2901 | Interrupt Register. |
| 2902 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2903 | blogic_intreset(adapter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2904 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2905 | Process valid External SCSI Bus Reset and Incoming |
| 2906 | Mailbox Loaded Interrupts. Command Complete |
| 2907 | Interrupts are noted, and Outgoing Mailbox Available |
| 2908 | Interrupts are ignored, as they are never enabled. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2909 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2910 | if (intreg.ir.ext_busreset) |
| 2911 | adapter->adapter_extreset = true; |
| 2912 | else if (intreg.ir.mailin_loaded) |
| 2913 | blogic_scan_inbox(adapter); |
| 2914 | else if (intreg.ir.cmd_complete) |
| 2915 | adapter->adapter_cmd_complete = true; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2916 | } |
| 2917 | } else { |
| 2918 | /* |
| 2919 | Check if there is a pending interrupt for this Host Adapter. |
| 2920 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2921 | if (FlashPoint_InterruptPending(adapter->cardhandle)) |
| 2922 | switch (FlashPoint_HandleInterrupt(adapter->cardhandle)) { |
| 2923 | case FPOINT_NORMAL_INT: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2924 | break; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2925 | case FPOINT_EXT_RESET: |
| 2926 | adapter->adapter_extreset = true; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2927 | break; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2928 | case FPOINT_INTERN_ERR: |
| 2929 | blogic_warn("Internal FlashPoint Error detected - Resetting Host Adapter\n", adapter); |
| 2930 | adapter->adapter_intern_err = true; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2931 | break; |
| 2932 | } |
| 2933 | } |
| 2934 | /* |
| 2935 | Process any completed CCBs. |
| 2936 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2937 | if (adapter->firstccb != NULL) |
| 2938 | blogic_process_ccbs(adapter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2939 | /* |
| 2940 | Reset the Host Adapter if requested. |
| 2941 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2942 | if (adapter->adapter_extreset) { |
| 2943 | blogic_warn("Resetting %s due to External SCSI Bus Reset\n", adapter, adapter->full_model); |
| 2944 | blogic_inc_count(&adapter->ext_resets); |
| 2945 | blogic_resetadapter(adapter, false); |
| 2946 | adapter->adapter_extreset = false; |
| 2947 | } else if (adapter->adapter_intern_err) { |
| 2948 | blogic_warn("Resetting %s due to Host Adapter Internal Error\n", adapter, adapter->full_model); |
| 2949 | blogic_inc_count(&adapter->adapter_intern_errors); |
| 2950 | blogic_resetadapter(adapter, true); |
| 2951 | adapter->adapter_intern_err = false; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2952 | } |
| 2953 | /* |
| 2954 | Release exclusive access to Host Adapter. |
| 2955 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2956 | spin_unlock_irqrestore(adapter->scsi_host->host_lock, processor_flag); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2957 | return IRQ_HANDLED; |
| 2958 | } |
| 2959 | |
| 2960 | |
| 2961 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2962 | blogic_write_outbox places CCB and Action Code into an Outgoing |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2963 | Mailbox for execution by Host Adapter. The Host Adapter's Lock should |
| 2964 | already have been acquired by the caller. |
| 2965 | */ |
| 2966 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2967 | static bool blogic_write_outbox(struct blogic_adapter *adapter, |
| 2968 | enum blogic_action action, struct blogic_ccb *ccb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2969 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2970 | struct blogic_outbox *next_outbox; |
| 2971 | |
| 2972 | next_outbox = adapter->next_outbox; |
| 2973 | if (next_outbox->action == BLOGIC_OUTBOX_FREE) { |
| 2974 | ccb->status = BLOGIC_CCB_ACTIVE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2975 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2976 | The CCB field must be written before the Action Code field |
| 2977 | since the Host Adapter is operating asynchronously and the |
| 2978 | locking code does not protect against simultaneous access |
| 2979 | by the Host Adapter. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2980 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2981 | next_outbox->ccb = ccb->dma_handle; |
| 2982 | next_outbox->action = action; |
| 2983 | blogic_execmbox(adapter); |
| 2984 | if (++next_outbox > adapter->last_outbox) |
| 2985 | next_outbox = adapter->first_outbox; |
| 2986 | adapter->next_outbox = next_outbox; |
| 2987 | if (action == BLOGIC_MBOX_START) { |
| 2988 | adapter->active_cmds[ccb->tgt_id]++; |
| 2989 | if (ccb->opcode != BLOGIC_BDR) |
| 2990 | adapter->tgt_stats[ccb->tgt_id].cmds_tried++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2991 | } |
| 2992 | return true; |
| 2993 | } |
| 2994 | return false; |
| 2995 | } |
| 2996 | |
| 2997 | /* Error Handling (EH) support */ |
| 2998 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 2999 | static int blogic_hostreset(struct scsi_cmnd *SCpnt) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3000 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3001 | struct blogic_adapter *adapter = |
| 3002 | (struct blogic_adapter *) SCpnt->device->host->hostdata; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3003 | |
| 3004 | unsigned int id = SCpnt->device->id; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3005 | struct blogic_tgt_stats *stats = &adapter->tgt_stats[id]; |
Jeff Garzik | df0ae24 | 2005-05-28 07:57:14 -0400 | [diff] [blame] | 3006 | int rc; |
| 3007 | |
| 3008 | spin_lock_irq(SCpnt->device->host->host_lock); |
| 3009 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3010 | blogic_inc_count(&stats->adatper_reset_req); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3011 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3012 | rc = blogic_resetadapter(adapter, false); |
Jeff Garzik | df0ae24 | 2005-05-28 07:57:14 -0400 | [diff] [blame] | 3013 | spin_unlock_irq(SCpnt->device->host->host_lock); |
| 3014 | return rc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3015 | } |
| 3016 | |
| 3017 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3018 | blogic_qcmd creates a CCB for Command and places it into an |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3019 | Outgoing Mailbox for execution by the associated Host Adapter. |
| 3020 | */ |
| 3021 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3022 | static int blogic_qcmd_lck(struct scsi_cmnd *command, |
| 3023 | void (*comp_cb) (struct scsi_cmnd *)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3024 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3025 | struct blogic_adapter *adapter = |
| 3026 | (struct blogic_adapter *) command->device->host->hostdata; |
| 3027 | struct blogic_tgt_flags *tgt_flags = |
| 3028 | &adapter->tgt_flags[command->device->id]; |
| 3029 | struct blogic_tgt_stats *tgt_stats = adapter->tgt_stats; |
| 3030 | unsigned char *cdb = command->cmnd; |
| 3031 | int cdblen = command->cmd_len; |
| 3032 | int tgt_id = command->device->id; |
| 3033 | int lun = command->device->lun; |
| 3034 | int buflen = scsi_bufflen(command); |
| 3035 | int count; |
| 3036 | struct blogic_ccb *ccb; |
| 3037 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3038 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3039 | SCSI REQUEST_SENSE commands will be executed automatically by the |
| 3040 | Host Adapter for any errors, so they should not be executed |
| 3041 | explicitly unless the Sense Data is zero indicating that no error |
| 3042 | occurred. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3043 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3044 | if (cdb[0] == REQUEST_SENSE && command->sense_buffer[0] != 0) { |
| 3045 | command->result = DID_OK << 16; |
| 3046 | comp_cb(command); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3047 | return 0; |
| 3048 | } |
| 3049 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3050 | Allocate a CCB from the Host Adapter's free list. In the unlikely |
| 3051 | event that there are none available and memory allocation fails, |
| 3052 | wait 1 second and try again. If that fails, the Host Adapter is |
| 3053 | probably hung so signal an error as a Host Adapter Hard Reset |
| 3054 | should be initiated soon. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3055 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3056 | ccb = blogic_alloc_ccb(adapter); |
| 3057 | if (ccb == NULL) { |
| 3058 | spin_unlock_irq(adapter->scsi_host->host_lock); |
| 3059 | blogic_delay(1); |
| 3060 | spin_lock_irq(adapter->scsi_host->host_lock); |
| 3061 | ccb = blogic_alloc_ccb(adapter); |
| 3062 | if (ccb == NULL) { |
| 3063 | command->result = DID_ERROR << 16; |
| 3064 | comp_cb(command); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3065 | return 0; |
| 3066 | } |
| 3067 | } |
FUJITA Tomonori | ddc914c7 | 2007-05-14 15:43:56 +0900 | [diff] [blame] | 3068 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3069 | /* |
| 3070 | Initialize the fields in the BusLogic Command Control Block (CCB). |
| 3071 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3072 | count = scsi_dma_map(command); |
| 3073 | BUG_ON(count < 0); |
| 3074 | if (count) { |
FUJITA Tomonori | ddc914c7 | 2007-05-14 15:43:56 +0900 | [diff] [blame] | 3075 | struct scatterlist *sg; |
| 3076 | int i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3077 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3078 | ccb->opcode = BLOGIC_INITIATOR_CCB_SG; |
| 3079 | ccb->datalen = count * sizeof(struct blogic_sg_seg); |
| 3080 | if (blogic_multimaster_type(adapter)) |
Khalid Aziz | 391e2f2 | 2013-05-16 19:44:14 -0600 | [diff] [blame^] | 3081 | ccb->data = (void *)((unsigned int) ccb->dma_handle + |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3082 | ((unsigned long) &ccb->sglist - |
Khalid Aziz | 391e2f2 | 2013-05-16 19:44:14 -0600 | [diff] [blame^] | 3083 | (unsigned long) ccb)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3084 | else |
Khalid Aziz | 391e2f2 | 2013-05-16 19:44:14 -0600 | [diff] [blame^] | 3085 | ccb->data = ccb->sglist; |
FUJITA Tomonori | ddc914c7 | 2007-05-14 15:43:56 +0900 | [diff] [blame] | 3086 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3087 | scsi_for_each_sg(command, sg, count, i) { |
| 3088 | ccb->sglist[i].segbytes = sg_dma_len(sg); |
| 3089 | ccb->sglist[i].segdata = sg_dma_address(sg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3090 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3091 | } else if (!count) { |
| 3092 | ccb->opcode = BLOGIC_INITIATOR_CCB; |
| 3093 | ccb->datalen = buflen; |
| 3094 | ccb->data = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3095 | } |
FUJITA Tomonori | ddc914c7 | 2007-05-14 15:43:56 +0900 | [diff] [blame] | 3096 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3097 | switch (cdb[0]) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3098 | case READ_6: |
| 3099 | case READ_10: |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3100 | ccb->datadir = BLOGIC_DATAIN_CHECKED; |
| 3101 | tgt_stats[tgt_id].read_cmds++; |
| 3102 | blogic_addcount(&tgt_stats[tgt_id].bytesread, buflen); |
| 3103 | blogic_incszbucket(tgt_stats[tgt_id].read_sz_buckets, buflen); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3104 | break; |
| 3105 | case WRITE_6: |
| 3106 | case WRITE_10: |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3107 | ccb->datadir = BLOGIC_DATAOUT_CHECKED; |
| 3108 | tgt_stats[tgt_id].write_cmds++; |
| 3109 | blogic_addcount(&tgt_stats[tgt_id].byteswritten, buflen); |
| 3110 | blogic_incszbucket(tgt_stats[tgt_id].write_sz_buckets, buflen); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3111 | break; |
| 3112 | default: |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3113 | ccb->datadir = BLOGIC_UNCHECKED_TX; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3114 | break; |
| 3115 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3116 | ccb->cdblen = cdblen; |
| 3117 | ccb->adapter_status = 0; |
| 3118 | ccb->tgt_status = 0; |
| 3119 | ccb->tgt_id = tgt_id; |
| 3120 | ccb->lun = lun; |
| 3121 | ccb->tag_enable = false; |
| 3122 | ccb->legacytag_enable = false; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3123 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3124 | BusLogic recommends that after a Reset the first couple of |
| 3125 | commands that are sent to a Target Device be sent in a non |
| 3126 | Tagged Queue fashion so that the Host Adapter and Target Device |
| 3127 | can establish Synchronous and Wide Transfer before Queue Tag |
| 3128 | messages can interfere with the Synchronous and Wide Negotiation |
| 3129 | messages. By waiting to enable Tagged Queuing until after the |
| 3130 | first BLOGIC_MAX_TAG_DEPTH commands have been queued, it is |
| 3131 | assured that after a Reset any pending commands are requeued |
| 3132 | before Tagged Queuing is enabled and that the Tagged Queuing |
| 3133 | message will not occur while the partition table is being printed. |
| 3134 | In addition, some devices do not properly handle the transition |
| 3135 | from non-tagged to tagged commands, so it is necessary to wait |
| 3136 | until there are no pending commands for a target device |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3137 | before queuing tagged commands. |
| 3138 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3139 | if (adapter->cmds_since_rst[tgt_id]++ >= BLOGIC_MAX_TAG_DEPTH && |
| 3140 | !tgt_flags->tagq_active && |
| 3141 | adapter->active_cmds[tgt_id] == 0 |
| 3142 | && tgt_flags->tagq_ok && |
| 3143 | (adapter->tagq_ok & (1 << tgt_id))) { |
| 3144 | tgt_flags->tagq_active = true; |
| 3145 | blogic_notice("Tagged Queuing now active for Target %d\n", |
| 3146 | adapter, tgt_id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3147 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3148 | if (tgt_flags->tagq_active) { |
| 3149 | enum blogic_queuetag queuetag = BLOGIC_SIMPLETAG; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3150 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3151 | When using Tagged Queuing with Simple Queue Tags, it |
| 3152 | appears that disk drive controllers do not guarantee that |
| 3153 | a queued command will not remain in a disconnected state |
| 3154 | indefinitely if commands that read or write nearer the |
| 3155 | head position continue to arrive without interruption. |
| 3156 | Therefore, for each Target Device this driver keeps track |
| 3157 | of the last time either the queue was empty or an Ordered |
| 3158 | Queue Tag was issued. If more than 4 seconds (one fifth |
| 3159 | of the 20 second disk timeout) have elapsed since this |
| 3160 | last sequence point, this command will be issued with an |
| 3161 | Ordered Queue Tag rather than a Simple Queue Tag, which |
| 3162 | forces the Target Device to complete all previously |
| 3163 | queued commands before this command may be executed. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3164 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3165 | if (adapter->active_cmds[tgt_id] == 0) |
| 3166 | adapter->last_seqpoint[tgt_id] = jiffies; |
| 3167 | else if (time_after(jiffies, |
| 3168 | adapter->last_seqpoint[tgt_id] + 4 * HZ)) { |
| 3169 | adapter->last_seqpoint[tgt_id] = jiffies; |
| 3170 | queuetag = BLOGIC_ORDEREDTAG; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3171 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3172 | if (adapter->ext_lun) { |
| 3173 | ccb->tag_enable = true; |
| 3174 | ccb->queuetag = queuetag; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3175 | } else { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3176 | ccb->legacytag_enable = true; |
| 3177 | ccb->legacy_tag = queuetag; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3178 | } |
| 3179 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3180 | memcpy(ccb->cdb, cdb, cdblen); |
| 3181 | ccb->sense_datalen = SCSI_SENSE_BUFFERSIZE; |
| 3182 | ccb->sensedata = pci_map_single(adapter->pci_device, |
| 3183 | command->sense_buffer, ccb->sense_datalen, |
| 3184 | PCI_DMA_FROMDEVICE); |
| 3185 | ccb->command = command; |
| 3186 | command->scsi_done = comp_cb; |
| 3187 | if (blogic_multimaster_type(adapter)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3188 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3189 | Place the CCB in an Outgoing Mailbox. The higher levels |
| 3190 | of the SCSI Subsystem should not attempt to queue more |
| 3191 | commands than can be placed in Outgoing Mailboxes, so |
| 3192 | there should always be one free. In the unlikely event |
| 3193 | that there are none available, wait 1 second and try |
| 3194 | again. If that fails, the Host Adapter is probably hung |
| 3195 | so signal an error as a Host Adapter Hard Reset should |
| 3196 | be initiated soon. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3197 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3198 | if (!blogic_write_outbox(adapter, BLOGIC_MBOX_START, ccb)) { |
| 3199 | spin_unlock_irq(adapter->scsi_host->host_lock); |
| 3200 | blogic_warn("Unable to write Outgoing Mailbox - " "Pausing for 1 second\n", adapter); |
| 3201 | blogic_delay(1); |
| 3202 | spin_lock_irq(adapter->scsi_host->host_lock); |
| 3203 | if (!blogic_write_outbox(adapter, BLOGIC_MBOX_START, |
| 3204 | ccb)) { |
| 3205 | blogic_warn("Still unable to write Outgoing Mailbox - " "Host Adapter Dead?\n", adapter); |
| 3206 | blogic_dealloc_ccb(ccb); |
| 3207 | command->result = DID_ERROR << 16; |
| 3208 | command->scsi_done(command); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3209 | } |
| 3210 | } |
| 3211 | } else { |
| 3212 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3213 | Call the FlashPoint SCCB Manager to start execution of |
| 3214 | the CCB. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3215 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3216 | ccb->status = BLOGIC_CCB_ACTIVE; |
| 3217 | adapter->active_cmds[tgt_id]++; |
| 3218 | tgt_stats[tgt_id].cmds_tried++; |
| 3219 | FlashPoint_StartCCB(adapter->cardhandle, ccb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3220 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3221 | The Command may have already completed and |
| 3222 | blogic_qcompleted_ccb been called, or it may still be |
| 3223 | pending. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3224 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3225 | if (ccb->status == BLOGIC_CCB_COMPLETE) |
| 3226 | blogic_process_ccbs(adapter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3227 | } |
| 3228 | return 0; |
| 3229 | } |
| 3230 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3231 | static DEF_SCSI_QCMD(blogic_qcmd) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3232 | |
Daniel Walker | d2afb3a | 2006-08-14 23:09:23 -0700 | [diff] [blame] | 3233 | #if 0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3234 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3235 | blogic_abort aborts Command if possible. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3236 | */ |
| 3237 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3238 | static int blogic_abort(struct scsi_cmnd *command) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3239 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3240 | struct blogic_adapter *adapter = |
| 3241 | (struct blogic_adapter *) command->device->host->hostdata; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3242 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3243 | int tgt_id = command->device->id; |
| 3244 | struct blogic_ccb *ccb; |
| 3245 | blogic_inc_count(&adapter->tgt_stats[tgt_id].aborts_request); |
| 3246 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3247 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3248 | Attempt to find an Active CCB for this Command. If no Active |
| 3249 | CCB for this Command is found, then no Abort is necessary. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3250 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3251 | for (ccb = adapter->all_ccbs; ccb != NULL; ccb = ccb->next_all) |
| 3252 | if (ccb->command == command) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3253 | break; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3254 | if (ccb == NULL) { |
| 3255 | blogic_warn("Unable to Abort Command to Target %d - No CCB Found\n", adapter, tgt_id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3256 | return SUCCESS; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3257 | } else if (ccb->status == BLOGIC_CCB_COMPLETE) { |
| 3258 | blogic_warn("Unable to Abort Command to Target %d - CCB Completed\n", adapter, tgt_id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3259 | return SUCCESS; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3260 | } else if (ccb->status == BLOGIC_CCB_RESET) { |
| 3261 | blogic_warn("Unable to Abort Command to Target %d - CCB Reset\n", adapter, tgt_id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3262 | return SUCCESS; |
| 3263 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3264 | if (blogic_multimaster_type(adapter)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3265 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3266 | Attempt to Abort this CCB. MultiMaster Firmware versions |
| 3267 | prior to 5.xx do not generate Abort Tag messages, but only |
| 3268 | generate the non-tagged Abort message. Since non-tagged |
| 3269 | commands are not sent by the Host Adapter until the queue |
| 3270 | of outstanding tagged commands has completed, and the |
| 3271 | Abort message is treated as a non-tagged command, it is |
| 3272 | effectively impossible to abort commands when Tagged |
| 3273 | Queuing is active. Firmware version 5.xx does generate |
| 3274 | Abort Tag messages, so it is possible to abort commands |
| 3275 | when Tagged Queuing is active. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3276 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3277 | if (adapter->tgt_flags[tgt_id].tagq_active && |
| 3278 | adapter->fw_ver[0] < '5') { |
| 3279 | blogic_warn("Unable to Abort CCB #%ld to Target %d - Abort Tag Not Supported\n", adapter, ccb->serial, tgt_id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3280 | return FAILURE; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3281 | } else if (blogic_write_outbox(adapter, BLOGIC_MBOX_ABORT, |
| 3282 | ccb)) { |
| 3283 | blogic_warn("Aborting CCB #%ld to Target %d\n", |
| 3284 | adapter, ccb->serial, tgt_id); |
| 3285 | blogic_inc_count(&adapter->tgt_stats[tgt_id].aborts_tried); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3286 | return SUCCESS; |
| 3287 | } else { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3288 | blogic_warn("Unable to Abort CCB #%ld to Target %d - No Outgoing Mailboxes\n", adapter, ccb->serial, tgt_id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3289 | return FAILURE; |
| 3290 | } |
| 3291 | } else { |
| 3292 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3293 | Call the FlashPoint SCCB Manager to abort execution of |
| 3294 | the CCB. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3295 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3296 | blogic_warn("Aborting CCB #%ld to Target %d\n", adapter, |
| 3297 | ccb->serial, tgt_id); |
| 3298 | blogic_inc_count(&adapter->tgt_stats[tgt_id].aborts_tried); |
| 3299 | FlashPoint_AbortCCB(adapter->cardhandle, ccb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3300 | /* |
| 3301 | The Abort may have already been completed and |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3302 | blogic_qcompleted_ccb been called, or it |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3303 | may still be pending. |
| 3304 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3305 | if (ccb->status == BLOGIC_CCB_COMPLETE) |
| 3306 | blogic_process_ccbs(adapter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3307 | return SUCCESS; |
| 3308 | } |
| 3309 | return SUCCESS; |
| 3310 | } |
| 3311 | |
Daniel Walker | d2afb3a | 2006-08-14 23:09:23 -0700 | [diff] [blame] | 3312 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3313 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3314 | blogic_resetadapter resets Host Adapter if possible, marking all |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3315 | currently executing SCSI Commands as having been Reset. |
| 3316 | */ |
| 3317 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3318 | static int blogic_resetadapter(struct blogic_adapter *adapter, bool hard_reset) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3319 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3320 | struct blogic_ccb *ccb; |
| 3321 | int tgt_id; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3322 | |
| 3323 | /* |
| 3324 | * Attempt to Reset and Reinitialize the Host Adapter. |
| 3325 | */ |
| 3326 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3327 | if (!(blogic_hwreset(adapter, hard_reset) && |
| 3328 | blogic_initadapter(adapter))) { |
| 3329 | blogic_err("Resetting %s Failed\n", adapter, |
| 3330 | adapter->full_model); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3331 | return FAILURE; |
| 3332 | } |
| 3333 | |
| 3334 | /* |
| 3335 | * Deallocate all currently executing CCBs. |
| 3336 | */ |
| 3337 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3338 | for (ccb = adapter->all_ccbs; ccb != NULL; ccb = ccb->next_all) |
| 3339 | if (ccb->status == BLOGIC_CCB_ACTIVE) |
| 3340 | blogic_dealloc_ccb(ccb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3341 | /* |
| 3342 | * Wait a few seconds between the Host Adapter Hard Reset which |
| 3343 | * initiates a SCSI Bus Reset and issuing any SCSI Commands. Some |
| 3344 | * SCSI devices get confused if they receive SCSI Commands too soon |
| 3345 | * after a SCSI Bus Reset. |
| 3346 | */ |
| 3347 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3348 | if (hard_reset) { |
| 3349 | spin_unlock_irq(adapter->scsi_host->host_lock); |
| 3350 | blogic_delay(adapter->bus_settle_time); |
| 3351 | spin_lock_irq(adapter->scsi_host->host_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3352 | } |
| 3353 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3354 | for (tgt_id = 0; tgt_id < adapter->maxdev; tgt_id++) { |
| 3355 | adapter->last_resettried[tgt_id] = jiffies; |
| 3356 | adapter->last_resetdone[tgt_id] = jiffies; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3357 | } |
| 3358 | return SUCCESS; |
| 3359 | } |
| 3360 | |
| 3361 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3362 | blogic_diskparam returns the Heads/Sectors/Cylinders BIOS Disk |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3363 | Parameters for Disk. The default disk geometry is 64 heads, 32 sectors, and |
| 3364 | the appropriate number of cylinders so as not to exceed drive capacity. In |
| 3365 | order for disks equal to or larger than 1 GB to be addressable by the BIOS |
| 3366 | without exceeding the BIOS limitation of 1024 cylinders, Extended Translation |
| 3367 | may be enabled in AutoSCSI on FlashPoint Host Adapters and on "W" and "C" |
| 3368 | series MultiMaster Host Adapters, or by a dip switch setting on "S" and "A" |
| 3369 | series MultiMaster Host Adapters. With Extended Translation enabled, drives |
| 3370 | between 1 GB inclusive and 2 GB exclusive are given a disk geometry of 128 |
| 3371 | heads and 32 sectors, and drives above 2 GB inclusive are given a disk |
| 3372 | geometry of 255 heads and 63 sectors. However, if the BIOS detects that the |
| 3373 | Extended Translation setting does not match the geometry in the partition |
| 3374 | table, then the translation inferred from the partition table will be used by |
| 3375 | the BIOS, and a warning may be displayed. |
| 3376 | */ |
| 3377 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3378 | static int blogic_diskparam(struct scsi_device *sdev, struct block_device *dev, |
| 3379 | sector_t capacity, int *params) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3380 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3381 | struct blogic_adapter *adapter = |
| 3382 | (struct blogic_adapter *) sdev->host->hostdata; |
| 3383 | struct bios_diskparam *diskparam = (struct bios_diskparam *) params; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3384 | unsigned char *buf; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3385 | |
| 3386 | if (adapter->ext_trans_enable && capacity >= 2 * 1024 * 1024 /* 1 GB in 512 byte sectors */) { |
| 3387 | if (capacity >= 4 * 1024 * 1024 /* 2 GB in 512 byte sectors */) { |
| 3388 | diskparam->heads = 255; |
| 3389 | diskparam->sectors = 63; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3390 | } else { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3391 | diskparam->heads = 128; |
| 3392 | diskparam->sectors = 32; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3393 | } |
| 3394 | } else { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3395 | diskparam->heads = 64; |
| 3396 | diskparam->sectors = 32; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3397 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3398 | diskparam->cylinders = (unsigned long) capacity / (diskparam->heads * diskparam->sectors); |
| 3399 | buf = scsi_bios_ptable(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3400 | if (buf == NULL) |
| 3401 | return 0; |
| 3402 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3403 | If the boot sector partition table flag is valid, search for |
| 3404 | a partition table entry whose end_head matches one of the |
| 3405 | standard BusLogic geometry translations (64/32, 128/32, or 255/63). |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3406 | */ |
| 3407 | if (*(unsigned short *) (buf + 64) == 0xAA55) { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3408 | struct partition *part1_entry = (struct partition *) buf; |
| 3409 | struct partition *part_entry = part1_entry; |
| 3410 | int saved_cyl = diskparam->cylinders, part_no; |
| 3411 | unsigned char part_end_head = 0, part_end_sector = 0; |
| 3412 | |
| 3413 | for (part_no = 0; part_no < 4; part_no++) { |
| 3414 | part_end_head = part_entry->end_head; |
| 3415 | part_end_sector = part_entry->end_sector & 0x3F; |
| 3416 | if (part_end_head == 64 - 1) { |
| 3417 | diskparam->heads = 64; |
| 3418 | diskparam->sectors = 32; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3419 | break; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3420 | } else if (part_end_head == 128 - 1) { |
| 3421 | diskparam->heads = 128; |
| 3422 | diskparam->sectors = 32; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3423 | break; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3424 | } else if (part_end_head == 255 - 1) { |
| 3425 | diskparam->heads = 255; |
| 3426 | diskparam->sectors = 63; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3427 | break; |
| 3428 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3429 | part_entry++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3430 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3431 | if (part_no == 4) { |
| 3432 | part_end_head = part1_entry->end_head; |
| 3433 | part_end_sector = part1_entry->end_sector & 0x3F; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3434 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3435 | diskparam->cylinders = (unsigned long) capacity / (diskparam->heads * diskparam->sectors); |
| 3436 | if (part_no < 4 && part_end_sector == diskparam->sectors) { |
| 3437 | if (diskparam->cylinders != saved_cyl) |
| 3438 | blogic_warn("Adopting Geometry %d/%d from Partition Table\n", adapter, diskparam->heads, diskparam->sectors); |
| 3439 | } else if (part_end_head > 0 || part_end_sector > 0) { |
| 3440 | blogic_warn("Warning: Partition Table appears to " "have Geometry %d/%d which is\n", adapter, part_end_head + 1, part_end_sector); |
| 3441 | blogic_warn("not compatible with current BusLogic " "Host Adapter Geometry %d/%d\n", adapter, diskparam->heads, diskparam->sectors); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3442 | } |
| 3443 | } |
| 3444 | kfree(buf); |
| 3445 | return 0; |
| 3446 | } |
| 3447 | |
| 3448 | |
| 3449 | /* |
| 3450 | BugLogic_ProcDirectoryInfo implements /proc/scsi/BusLogic/<N>. |
| 3451 | */ |
| 3452 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3453 | static int blogic_write_info(struct Scsi_Host *shost, char *procbuf, |
| 3454 | int bytes_avail) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3455 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3456 | struct blogic_adapter *adapter = |
| 3457 | (struct blogic_adapter *) shost->hostdata; |
| 3458 | struct blogic_tgt_stats *tgt_stats; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3459 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3460 | tgt_stats = adapter->tgt_stats; |
| 3461 | adapter->ext_resets = 0; |
| 3462 | adapter->adapter_intern_errors = 0; |
| 3463 | memset(tgt_stats, 0, BLOGIC_MAXDEV * sizeof(struct blogic_tgt_stats)); |
Al Viro | 25daa96 | 2013-03-31 01:52:13 -0400 | [diff] [blame] | 3464 | return 0; |
| 3465 | } |
| 3466 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3467 | static int blogic_show_info(struct seq_file *m, struct Scsi_Host *shost) |
Al Viro | 25daa96 | 2013-03-31 01:52:13 -0400 | [diff] [blame] | 3468 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3469 | struct blogic_adapter *adapter = (struct blogic_adapter *) shost->hostdata; |
| 3470 | struct blogic_tgt_stats *tgt_stats; |
| 3471 | int tgt; |
Al Viro | 25daa96 | 2013-03-31 01:52:13 -0400 | [diff] [blame] | 3472 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3473 | tgt_stats = adapter->tgt_stats; |
| 3474 | seq_write(m, adapter->msgbuf, adapter->msgbuflen); |
Al Viro | 25daa96 | 2013-03-31 01:52:13 -0400 | [diff] [blame] | 3475 | seq_printf(m, "\n\ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3476 | Current Driver Queue Depth: %d\n\ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3477 | Currently Allocated CCBs: %d\n", adapter->drvr_qdepth, adapter->alloc_ccbs); |
Al Viro | 25daa96 | 2013-03-31 01:52:13 -0400 | [diff] [blame] | 3478 | seq_printf(m, "\n\n\ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3479 | DATA TRANSFER STATISTICS\n\ |
| 3480 | \n\ |
| 3481 | Target Tagged Queuing Queue Depth Active Attempted Completed\n\ |
| 3482 | ====== ============== =========== ====== ========= =========\n"); |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3483 | for (tgt = 0; tgt < adapter->maxdev; tgt++) { |
| 3484 | struct blogic_tgt_flags *tgt_flags = &adapter->tgt_flags[tgt]; |
| 3485 | if (!tgt_flags->tgt_exists) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3486 | continue; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3487 | seq_printf(m, " %2d %s", tgt, (tgt_flags->tagq_ok ? (tgt_flags->tagq_active ? " Active" : (adapter->tagq_ok & (1 << tgt) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3488 | ? " Permitted" : " Disabled")) |
| 3489 | : "Not Supported")); |
Al Viro | 25daa96 | 2013-03-31 01:52:13 -0400 | [diff] [blame] | 3490 | seq_printf(m, |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3491 | " %3d %3u %9u %9u\n", adapter->qdepth[tgt], adapter->active_cmds[tgt], tgt_stats[tgt].cmds_tried, tgt_stats[tgt].cmds_complete); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3492 | } |
Al Viro | 25daa96 | 2013-03-31 01:52:13 -0400 | [diff] [blame] | 3493 | seq_printf(m, "\n\ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3494 | Target Read Commands Write Commands Total Bytes Read Total Bytes Written\n\ |
| 3495 | ====== ============= ============== =================== ===================\n"); |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3496 | for (tgt = 0; tgt < adapter->maxdev; tgt++) { |
| 3497 | struct blogic_tgt_flags *tgt_flags = &adapter->tgt_flags[tgt]; |
| 3498 | if (!tgt_flags->tgt_exists) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3499 | continue; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3500 | seq_printf(m, " %2d %9u %9u", tgt, tgt_stats[tgt].read_cmds, tgt_stats[tgt].write_cmds); |
| 3501 | if (tgt_stats[tgt].bytesread.billions > 0) |
| 3502 | seq_printf(m, " %9u%09u", tgt_stats[tgt].bytesread.billions, tgt_stats[tgt].bytesread.units); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3503 | else |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3504 | seq_printf(m, " %9u", tgt_stats[tgt].bytesread.units); |
| 3505 | if (tgt_stats[tgt].byteswritten.billions > 0) |
| 3506 | seq_printf(m, " %9u%09u\n", tgt_stats[tgt].byteswritten.billions, tgt_stats[tgt].byteswritten.units); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3507 | else |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3508 | seq_printf(m, " %9u\n", tgt_stats[tgt].byteswritten.units); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3509 | } |
Al Viro | 25daa96 | 2013-03-31 01:52:13 -0400 | [diff] [blame] | 3510 | seq_printf(m, "\n\ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3511 | Target Command 0-1KB 1-2KB 2-4KB 4-8KB 8-16KB\n\ |
| 3512 | ====== ======= ========= ========= ========= ========= =========\n"); |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3513 | for (tgt = 0; tgt < adapter->maxdev; tgt++) { |
| 3514 | struct blogic_tgt_flags *tgt_flags = &adapter->tgt_flags[tgt]; |
| 3515 | if (!tgt_flags->tgt_exists) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3516 | continue; |
Al Viro | 25daa96 | 2013-03-31 01:52:13 -0400 | [diff] [blame] | 3517 | seq_printf(m, |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3518 | " %2d Read %9u %9u %9u %9u %9u\n", tgt, |
| 3519 | tgt_stats[tgt].read_sz_buckets[0], |
| 3520 | tgt_stats[tgt].read_sz_buckets[1], tgt_stats[tgt].read_sz_buckets[2], tgt_stats[tgt].read_sz_buckets[3], tgt_stats[tgt].read_sz_buckets[4]); |
Al Viro | 25daa96 | 2013-03-31 01:52:13 -0400 | [diff] [blame] | 3521 | seq_printf(m, |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3522 | " %2d Write %9u %9u %9u %9u %9u\n", tgt, |
| 3523 | tgt_stats[tgt].write_sz_buckets[0], |
| 3524 | tgt_stats[tgt].write_sz_buckets[1], tgt_stats[tgt].write_sz_buckets[2], tgt_stats[tgt].write_sz_buckets[3], tgt_stats[tgt].write_sz_buckets[4]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3525 | } |
Al Viro | 25daa96 | 2013-03-31 01:52:13 -0400 | [diff] [blame] | 3526 | seq_printf(m, "\n\ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3527 | Target Command 16-32KB 32-64KB 64-128KB 128-256KB 256KB+\n\ |
| 3528 | ====== ======= ========= ========= ========= ========= =========\n"); |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3529 | for (tgt = 0; tgt < adapter->maxdev; tgt++) { |
| 3530 | struct blogic_tgt_flags *tgt_flags = &adapter->tgt_flags[tgt]; |
| 3531 | if (!tgt_flags->tgt_exists) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3532 | continue; |
Al Viro | 25daa96 | 2013-03-31 01:52:13 -0400 | [diff] [blame] | 3533 | seq_printf(m, |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3534 | " %2d Read %9u %9u %9u %9u %9u\n", tgt, |
| 3535 | tgt_stats[tgt].read_sz_buckets[5], |
| 3536 | tgt_stats[tgt].read_sz_buckets[6], tgt_stats[tgt].read_sz_buckets[7], tgt_stats[tgt].read_sz_buckets[8], tgt_stats[tgt].read_sz_buckets[9]); |
Al Viro | 25daa96 | 2013-03-31 01:52:13 -0400 | [diff] [blame] | 3537 | seq_printf(m, |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3538 | " %2d Write %9u %9u %9u %9u %9u\n", tgt, |
| 3539 | tgt_stats[tgt].write_sz_buckets[5], |
| 3540 | tgt_stats[tgt].write_sz_buckets[6], tgt_stats[tgt].write_sz_buckets[7], tgt_stats[tgt].write_sz_buckets[8], tgt_stats[tgt].write_sz_buckets[9]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3541 | } |
Al Viro | 25daa96 | 2013-03-31 01:52:13 -0400 | [diff] [blame] | 3542 | seq_printf(m, "\n\n\ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3543 | ERROR RECOVERY STATISTICS\n\ |
| 3544 | \n\ |
| 3545 | Command Aborts Bus Device Resets Host Adapter Resets\n\ |
| 3546 | Target Requested Completed Requested Completed Requested Completed\n\ |
| 3547 | ID \\\\\\\\ Attempted //// \\\\\\\\ Attempted //// \\\\\\\\ Attempted ////\n\ |
| 3548 | ====== ===== ===== ===== ===== ===== ===== ===== ===== =====\n"); |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3549 | for (tgt = 0; tgt < adapter->maxdev; tgt++) { |
| 3550 | struct blogic_tgt_flags *tgt_flags = &adapter->tgt_flags[tgt]; |
| 3551 | if (!tgt_flags->tgt_exists) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3552 | continue; |
Al Viro | 25daa96 | 2013-03-31 01:52:13 -0400 | [diff] [blame] | 3553 | seq_printf(m, "\ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3554 | %2d %5d %5d %5d %5d %5d %5d %5d %5d %5d\n", tgt, tgt_stats[tgt].aborts_request, tgt_stats[tgt].aborts_tried, tgt_stats[tgt].aborts_done, tgt_stats[tgt].bdr_request, tgt_stats[tgt].bdr_tried, tgt_stats[tgt].bdr_done, tgt_stats[tgt].adatper_reset_req, tgt_stats[tgt].adapter_reset_attempt, tgt_stats[tgt].adapter_reset_done); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3555 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3556 | seq_printf(m, "\nExternal Host Adapter Resets: %d\n", adapter->ext_resets); |
| 3557 | seq_printf(m, "Host Adapter Internal Errors: %d\n", adapter->adapter_intern_errors); |
Al Viro | 25daa96 | 2013-03-31 01:52:13 -0400 | [diff] [blame] | 3558 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3559 | } |
| 3560 | |
| 3561 | |
| 3562 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3563 | blogic_msg prints Driver Messages. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3564 | */ |
| 3565 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3566 | static void blogic_msg(enum blogic_msglevel msglevel, char *fmt, |
| 3567 | struct blogic_adapter *adapter, ...) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3568 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3569 | static char buf[BLOGIC_LINEBUF_SIZE]; |
| 3570 | static bool begin = true; |
| 3571 | va_list args; |
| 3572 | int len = 0; |
| 3573 | |
| 3574 | va_start(args, adapter); |
| 3575 | len = vsprintf(buf, fmt, args); |
| 3576 | va_end(args); |
| 3577 | if (msglevel == BLOGIC_ANNOUNCE_LEVEL) { |
| 3578 | static int msglines = 0; |
| 3579 | strcpy(&adapter->msgbuf[adapter->msgbuflen], buf); |
| 3580 | adapter->msgbuflen += len; |
| 3581 | if (++msglines <= 2) |
| 3582 | printk("%sscsi: %s", blogic_msglevelmap[msglevel], buf); |
| 3583 | } else if (msglevel == BLOGIC_INFO_LEVEL) { |
| 3584 | strcpy(&adapter->msgbuf[adapter->msgbuflen], buf); |
| 3585 | adapter->msgbuflen += len; |
| 3586 | if (begin) { |
| 3587 | if (buf[0] != '\n' || len > 1) |
| 3588 | printk("%sscsi%d: %s", blogic_msglevelmap[msglevel], adapter->host_no, buf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3589 | } else |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3590 | printk("%s", buf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3591 | } else { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3592 | if (begin) { |
| 3593 | if (adapter != NULL && adapter->adapter_initd) |
| 3594 | printk("%sscsi%d: %s", blogic_msglevelmap[msglevel], adapter->host_no, buf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3595 | else |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3596 | printk("%s%s", blogic_msglevelmap[msglevel], buf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3597 | } else |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3598 | printk("%s", buf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3599 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3600 | begin = (buf[len - 1] == '\n'); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3601 | } |
| 3602 | |
| 3603 | |
| 3604 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3605 | blogic_parse parses an individual option keyword. It returns true |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3606 | and updates the pointer if the keyword is recognized and false otherwise. |
| 3607 | */ |
| 3608 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3609 | static bool __init blogic_parse(char **str, char *keyword) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3610 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3611 | char *pointer = *str; |
| 3612 | while (*keyword != '\0') { |
| 3613 | char strch = *pointer++; |
| 3614 | char keywordch = *keyword++; |
| 3615 | if (strch >= 'A' && strch <= 'Z') |
| 3616 | strch += 'a' - 'Z'; |
| 3617 | if (keywordch >= 'A' && keywordch <= 'Z') |
| 3618 | keywordch += 'a' - 'Z'; |
| 3619 | if (strch != keywordch) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3620 | return false; |
| 3621 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3622 | *str = pointer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3623 | return true; |
| 3624 | } |
| 3625 | |
| 3626 | |
| 3627 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3628 | blogic_parseopts handles processing of BusLogic Driver Options |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3629 | specifications. |
| 3630 | |
| 3631 | BusLogic Driver Options may be specified either via the Linux Kernel Command |
| 3632 | Line or via the Loadable Kernel Module Installation Facility. Driver Options |
| 3633 | for multiple host adapters may be specified either by separating the option |
| 3634 | strings by a semicolon, or by specifying multiple "BusLogic=" strings on the |
| 3635 | command line. Individual option specifications for a single host adapter are |
| 3636 | separated by commas. The Probing and Debugging Options apply to all host |
| 3637 | adapters whereas the remaining options apply individually only to the |
| 3638 | selected host adapter. |
| 3639 | |
| 3640 | The BusLogic Driver Probing Options are described in |
| 3641 | <file:Documentation/scsi/BusLogic.txt>. |
| 3642 | */ |
| 3643 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3644 | static int __init blogic_parseopts(char *options) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3645 | { |
| 3646 | while (true) { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3647 | struct blogic_drvr_options *drvr_opts = |
| 3648 | &blogic_drvr_options[blogic_drvr_options_count++]; |
| 3649 | int tgt_id; |
| 3650 | |
| 3651 | memset(drvr_opts, 0, sizeof(struct blogic_drvr_options)); |
| 3652 | while (*options != '\0' && *options != ';') { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3653 | /* Probing Options. */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3654 | if (blogic_parse(&options, "IO:")) { |
| 3655 | unsigned long io_addr = simple_strtoul(options, |
| 3656 | &options, 0); |
| 3657 | blogic_probe_options.limited_isa = true; |
| 3658 | switch (io_addr) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3659 | case 0x330: |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3660 | blogic_probe_options.probe330 = true; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3661 | break; |
| 3662 | case 0x334: |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3663 | blogic_probe_options.probe334 = true; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3664 | break; |
| 3665 | case 0x230: |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3666 | blogic_probe_options.probe230 = true; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3667 | break; |
| 3668 | case 0x234: |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3669 | blogic_probe_options.probe234 = true; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3670 | break; |
| 3671 | case 0x130: |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3672 | blogic_probe_options.probe130 = true; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3673 | break; |
| 3674 | case 0x134: |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3675 | blogic_probe_options.probe134 = true; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3676 | break; |
| 3677 | default: |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3678 | blogic_err("BusLogic: Invalid Driver Options " "(invalid I/O Address 0x%X)\n", NULL, io_addr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3679 | return 0; |
| 3680 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3681 | } else if (blogic_parse(&options, "NoProbeISA")) |
| 3682 | blogic_probe_options.noprobe_isa = true; |
| 3683 | else if (blogic_parse(&options, "NoProbePCI")) |
| 3684 | blogic_probe_options.noprobe_pci = true; |
| 3685 | else if (blogic_parse(&options, "NoProbe")) |
| 3686 | blogic_probe_options.noprobe = true; |
| 3687 | else if (blogic_parse(&options, "NoSortPCI")) |
| 3688 | blogic_probe_options.nosort_pci = true; |
| 3689 | else if (blogic_parse(&options, "MultiMasterFirst")) |
| 3690 | blogic_probe_options.multimaster_first = true; |
| 3691 | else if (blogic_parse(&options, "FlashPointFirst")) |
| 3692 | blogic_probe_options.flashpoint_first = true; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3693 | /* Tagged Queuing Options. */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3694 | else if (blogic_parse(&options, "QueueDepth:[") || |
| 3695 | blogic_parse(&options, "QD:[")) { |
| 3696 | for (tgt_id = 0; tgt_id < BLOGIC_MAXDEV; tgt_id++) { |
| 3697 | unsigned short qdepth = simple_strtoul(options, &options, 0); |
| 3698 | if (qdepth > BLOGIC_MAX_TAG_DEPTH) { |
| 3699 | blogic_err("BusLogic: Invalid Driver Options " "(invalid Queue Depth %d)\n", NULL, qdepth); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3700 | return 0; |
| 3701 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3702 | drvr_opts->qdepth[tgt_id] = qdepth; |
| 3703 | if (*options == ',') |
| 3704 | options++; |
| 3705 | else if (*options == ']') |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3706 | break; |
| 3707 | else { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3708 | blogic_err("BusLogic: Invalid Driver Options " "(',' or ']' expected at '%s')\n", NULL, options); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3709 | return 0; |
| 3710 | } |
| 3711 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3712 | if (*options != ']') { |
| 3713 | blogic_err("BusLogic: Invalid Driver Options " "(']' expected at '%s')\n", NULL, options); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3714 | return 0; |
| 3715 | } else |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3716 | options++; |
| 3717 | } else if (blogic_parse(&options, "QueueDepth:") || blogic_parse(&options, "QD:")) { |
| 3718 | unsigned short qdepth = simple_strtoul(options, &options, 0); |
| 3719 | if (qdepth == 0 || |
| 3720 | qdepth > BLOGIC_MAX_TAG_DEPTH) { |
| 3721 | blogic_err("BusLogic: Invalid Driver Options " "(invalid Queue Depth %d)\n", NULL, qdepth); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3722 | return 0; |
| 3723 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3724 | drvr_opts->common_qdepth = qdepth; |
| 3725 | for (tgt_id = 0; tgt_id < BLOGIC_MAXDEV; tgt_id++) |
| 3726 | drvr_opts->qdepth[tgt_id] = qdepth; |
| 3727 | } else if (blogic_parse(&options, "TaggedQueuing:") || |
| 3728 | blogic_parse(&options, "TQ:")) { |
| 3729 | if (blogic_parse(&options, "Default")) { |
| 3730 | drvr_opts->tagq_ok = 0x0000; |
| 3731 | drvr_opts->tagq_ok_mask = 0x0000; |
| 3732 | } else if (blogic_parse(&options, "Enable")) { |
| 3733 | drvr_opts->tagq_ok = 0xFFFF; |
| 3734 | drvr_opts->tagq_ok_mask = 0xFFFF; |
| 3735 | } else if (blogic_parse(&options, "Disable")) { |
| 3736 | drvr_opts->tagq_ok = 0x0000; |
| 3737 | drvr_opts->tagq_ok_mask = 0xFFFF; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3738 | } else { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3739 | unsigned short tgt_bit; |
| 3740 | for (tgt_id = 0, tgt_bit = 1; |
| 3741 | tgt_id < BLOGIC_MAXDEV; |
| 3742 | tgt_id++, tgt_bit <<= 1) |
| 3743 | switch (*options++) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3744 | case 'Y': |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3745 | drvr_opts->tagq_ok |= tgt_bit; |
| 3746 | drvr_opts->tagq_ok_mask |= tgt_bit; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3747 | break; |
| 3748 | case 'N': |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3749 | drvr_opts->tagq_ok &= ~tgt_bit; |
| 3750 | drvr_opts->tagq_ok_mask |= tgt_bit; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3751 | break; |
| 3752 | case 'X': |
| 3753 | break; |
| 3754 | default: |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3755 | options--; |
| 3756 | tgt_id = BLOGIC_MAXDEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3757 | break; |
| 3758 | } |
| 3759 | } |
| 3760 | } |
| 3761 | /* Miscellaneous Options. */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3762 | else if (blogic_parse(&options, "BusSettleTime:") || |
| 3763 | blogic_parse(&options, "BST:")) { |
| 3764 | unsigned short bus_settle_time = |
| 3765 | simple_strtoul(options, &options, 0); |
| 3766 | if (bus_settle_time > 5 * 60) { |
| 3767 | blogic_err("BusLogic: Invalid Driver Options " "(invalid Bus Settle Time %d)\n", NULL, bus_settle_time); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3768 | return 0; |
| 3769 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3770 | drvr_opts->bus_settle_time = bus_settle_time; |
| 3771 | } else if (blogic_parse(&options, |
| 3772 | "InhibitTargetInquiry")) |
| 3773 | drvr_opts->stop_tgt_inquiry = true; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3774 | /* Debugging Options. */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3775 | else if (blogic_parse(&options, "TraceProbe")) |
| 3776 | blogic_global_options.trace_probe = true; |
| 3777 | else if (blogic_parse(&options, "TraceHardwareReset")) |
| 3778 | blogic_global_options.trace_hw_reset = true; |
| 3779 | else if (blogic_parse(&options, "TraceConfiguration")) |
| 3780 | blogic_global_options.trace_config = true; |
| 3781 | else if (blogic_parse(&options, "TraceErrors")) |
| 3782 | blogic_global_options.trace_err = true; |
| 3783 | else if (blogic_parse(&options, "Debug")) { |
| 3784 | blogic_global_options.trace_probe = true; |
| 3785 | blogic_global_options.trace_hw_reset = true; |
| 3786 | blogic_global_options.trace_config = true; |
| 3787 | blogic_global_options.trace_err = true; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3788 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3789 | if (*options == ',') |
| 3790 | options++; |
| 3791 | else if (*options != ';' && *options != '\0') { |
| 3792 | blogic_err("BusLogic: Unexpected Driver Option '%s' " "ignored\n", NULL, options); |
| 3793 | *options = '\0'; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3794 | } |
| 3795 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3796 | if (!(blogic_drvr_options_count == 0 || |
| 3797 | blogic_probeinfo_count == 0 || |
| 3798 | blogic_drvr_options_count == blogic_probeinfo_count)) { |
| 3799 | blogic_err("BusLogic: Invalid Driver Options " "(all or no I/O Addresses must be specified)\n", NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3800 | return 0; |
| 3801 | } |
| 3802 | /* |
| 3803 | Tagged Queuing is disabled when the Queue Depth is 1 since queuing |
| 3804 | multiple commands is not possible. |
| 3805 | */ |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3806 | for (tgt_id = 0; tgt_id < BLOGIC_MAXDEV; tgt_id++) |
| 3807 | if (drvr_opts->qdepth[tgt_id] == 1) { |
| 3808 | unsigned short tgt_bit = 1 << tgt_id; |
| 3809 | drvr_opts->tagq_ok &= ~tgt_bit; |
| 3810 | drvr_opts->tagq_ok_mask |= tgt_bit; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3811 | } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3812 | if (*options == ';') |
| 3813 | options++; |
| 3814 | if (*options == '\0') |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3815 | return 0; |
| 3816 | } |
| 3817 | return 1; |
| 3818 | } |
| 3819 | |
| 3820 | /* |
| 3821 | Get it all started |
| 3822 | */ |
| 3823 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3824 | static struct scsi_host_template blogic_template = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3825 | .module = THIS_MODULE, |
| 3826 | .proc_name = "BusLogic", |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3827 | .write_info = blogic_write_info, |
| 3828 | .show_info = blogic_show_info, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3829 | .name = "BusLogic", |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3830 | .info = blogic_drvr_info, |
| 3831 | .queuecommand = blogic_qcmd, |
| 3832 | .slave_configure = blogic_slaveconfig, |
| 3833 | .bios_param = blogic_diskparam, |
| 3834 | .eh_host_reset_handler = blogic_hostreset, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3835 | #if 0 |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3836 | .eh_abort_handler = blogic_abort, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3837 | #endif |
| 3838 | .unchecked_isa_dma = 1, |
| 3839 | .max_sectors = 128, |
| 3840 | .use_clustering = ENABLE_CLUSTERING, |
| 3841 | }; |
| 3842 | |
| 3843 | /* |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3844 | blogic_setup handles processing of Kernel Command Line Arguments. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3845 | */ |
| 3846 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3847 | static int __init blogic_setup(char *str) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3848 | { |
| 3849 | int ints[3]; |
| 3850 | |
| 3851 | (void) get_options(str, ARRAY_SIZE(ints), ints); |
| 3852 | |
| 3853 | if (ints[0] != 0) { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3854 | blogic_err("BusLogic: Obsolete Command Line Entry " "Format Ignored\n", NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3855 | return 0; |
| 3856 | } |
| 3857 | if (str == NULL || *str == '\0') |
| 3858 | return 0; |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3859 | return blogic_parseopts(str); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3860 | } |
| 3861 | |
| 3862 | /* |
| 3863 | * Exit function. Deletes all hosts associated with this driver. |
| 3864 | */ |
| 3865 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3866 | static void __exit blogic_exit(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3867 | { |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3868 | struct blogic_adapter *ha, *next; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3869 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3870 | list_for_each_entry_safe(ha, next, &blogic_host_list, host_list) |
| 3871 | blogic_deladapter(ha); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3872 | } |
| 3873 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3874 | __setup("BusLogic=", blogic_setup); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3875 | |
Zachary Amsden | 1079a2d | 2007-04-10 08:53:08 -0500 | [diff] [blame] | 3876 | #ifdef MODULE |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3877 | /*static struct pci_device_id blogic_pci_tbl[] = { |
Ben Collins | 745b571 | 2006-10-18 08:36:57 -0400 | [diff] [blame] | 3878 | { PCI_VENDOR_ID_BUSLOGIC, PCI_DEVICE_ID_BUSLOGIC_MULTIMASTER, |
| 3879 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, |
| 3880 | { PCI_VENDOR_ID_BUSLOGIC, PCI_DEVICE_ID_BUSLOGIC_MULTIMASTER_NC, |
| 3881 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, |
| 3882 | { PCI_VENDOR_ID_BUSLOGIC, PCI_DEVICE_ID_BUSLOGIC_FLASHPOINT, |
| 3883 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, |
| 3884 | { } |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3885 | };*/ |
| 3886 | static DEFINE_PCI_DEVICE_TABLE(blogic_pci_tbl) = { |
| 3887 | {PCI_DEVICE(PCI_VENDOR_ID_BUSLOGIC, PCI_DEVICE_ID_BUSLOGIC_MULTIMASTER)}, |
| 3888 | {PCI_DEVICE(PCI_VENDOR_ID_BUSLOGIC, PCI_DEVICE_ID_BUSLOGIC_MULTIMASTER_NC)}, |
| 3889 | {PCI_DEVICE(PCI_VENDOR_ID_BUSLOGIC, PCI_DEVICE_ID_BUSLOGIC_FLASHPOINT)}, |
| 3890 | {0, }, |
Ben Collins | 745b571 | 2006-10-18 08:36:57 -0400 | [diff] [blame] | 3891 | }; |
Zachary Amsden | 1079a2d | 2007-04-10 08:53:08 -0500 | [diff] [blame] | 3892 | #endif |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3893 | MODULE_DEVICE_TABLE(pci, blogic_pci_tbl); |
Ben Collins | 745b571 | 2006-10-18 08:36:57 -0400 | [diff] [blame] | 3894 | |
Khalid Aziz | 839cb99 | 2013-05-16 19:44:13 -0600 | [diff] [blame] | 3895 | module_init(blogic_init); |
| 3896 | module_exit(blogic_exit); |