James Bottomley | 2908d77 | 2006-08-29 09:22:51 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Aic94xx SAS/SATA driver initialization. |
| 3 | * |
| 4 | * Copyright (C) 2005 Adaptec, Inc. All rights reserved. |
| 5 | * Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com> |
| 6 | * |
| 7 | * This file is licensed under GPLv2. |
| 8 | * |
| 9 | * This file is part of the aic94xx driver. |
| 10 | * |
| 11 | * The aic94xx driver is free software; you can redistribute it and/or |
| 12 | * modify it under the terms of the GNU General Public License as |
| 13 | * published by the Free Software Foundation; version 2 of the |
| 14 | * License. |
| 15 | * |
| 16 | * The aic94xx driver is distributed in the hope that it will be useful, |
| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 19 | * General Public License for more details. |
| 20 | * |
| 21 | * You should have received a copy of the GNU General Public License |
| 22 | * along with the aic94xx driver; if not, write to the Free Software |
| 23 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 24 | * |
| 25 | */ |
| 26 | |
James Bottomley | 2908d77 | 2006-08-29 09:22:51 -0500 | [diff] [blame] | 27 | #include <linux/module.h> |
| 28 | #include <linux/init.h> |
| 29 | #include <linux/kernel.h> |
| 30 | #include <linux/pci.h> |
| 31 | #include <linux/delay.h> |
| 32 | |
| 33 | #include <scsi/scsi_host.h> |
| 34 | |
| 35 | #include "aic94xx.h" |
| 36 | #include "aic94xx_reg.h" |
| 37 | #include "aic94xx_hwi.h" |
| 38 | #include "aic94xx_seq.h" |
| 39 | |
| 40 | /* The format is "version.release.patchlevel" */ |
Alexis Bruemmer | 86b9c4c | 2007-01-16 15:36:12 -0800 | [diff] [blame] | 41 | #define ASD_DRIVER_VERSION "1.0.3" |
James Bottomley | 2908d77 | 2006-08-29 09:22:51 -0500 | [diff] [blame] | 42 | |
| 43 | static int use_msi = 0; |
| 44 | module_param_named(use_msi, use_msi, int, S_IRUGO); |
| 45 | MODULE_PARM_DESC(use_msi, "\n" |
| 46 | "\tEnable(1) or disable(0) using PCI MSI.\n" |
| 47 | "\tDefault: 0"); |
| 48 | |
| 49 | static int lldd_max_execute_num = 0; |
| 50 | module_param_named(collector, lldd_max_execute_num, int, S_IRUGO); |
| 51 | MODULE_PARM_DESC(collector, "\n" |
| 52 | "\tIf greater than one, tells the SAS Layer to run in Task Collector\n" |
| 53 | "\tMode. If 1 or 0, tells the SAS Layer to run in Direct Mode.\n" |
| 54 | "\tThe aic94xx SAS LLDD supports both modes.\n" |
| 55 | "\tDefault: 0 (Direct Mode).\n"); |
| 56 | |
| 57 | char sas_addr_str[2*SAS_ADDR_SIZE + 1] = ""; |
| 58 | |
| 59 | static struct scsi_transport_template *aic94xx_transport_template; |
Darrick J. Wong | e7571c1 | 2007-01-11 14:15:38 -0800 | [diff] [blame] | 60 | static int asd_scan_finished(struct Scsi_Host *, unsigned long); |
| 61 | static void asd_scan_start(struct Scsi_Host *); |
James Bottomley | 2908d77 | 2006-08-29 09:22:51 -0500 | [diff] [blame] | 62 | |
| 63 | static struct scsi_host_template aic94xx_sht = { |
| 64 | .module = THIS_MODULE, |
| 65 | /* .name is initialized */ |
| 66 | .name = "aic94xx", |
| 67 | .queuecommand = sas_queuecommand, |
| 68 | .target_alloc = sas_target_alloc, |
| 69 | .slave_configure = sas_slave_configure, |
| 70 | .slave_destroy = sas_slave_destroy, |
Darrick J. Wong | e7571c1 | 2007-01-11 14:15:38 -0800 | [diff] [blame] | 71 | .scan_finished = asd_scan_finished, |
| 72 | .scan_start = asd_scan_start, |
James Bottomley | 2908d77 | 2006-08-29 09:22:51 -0500 | [diff] [blame] | 73 | .change_queue_depth = sas_change_queue_depth, |
| 74 | .change_queue_type = sas_change_queue_type, |
| 75 | .bios_param = sas_bios_param, |
| 76 | .can_queue = 1, |
| 77 | .cmd_per_lun = 1, |
| 78 | .this_id = -1, |
| 79 | .sg_tablesize = SG_ALL, |
| 80 | .max_sectors = SCSI_DEFAULT_MAX_SECTORS, |
| 81 | .use_clustering = ENABLE_CLUSTERING, |
Darrick J. Wong | 111367f | 2007-01-26 14:08:55 -0800 | [diff] [blame] | 82 | .eh_device_reset_handler = sas_eh_device_reset_handler, |
Darrick J. Wong | 214fbb7 | 2007-01-29 23:48:25 -0800 | [diff] [blame] | 83 | .eh_bus_reset_handler = sas_eh_bus_reset_handler, |
Darrick J. Wong | fa1c1e8 | 2006-08-10 19:19:47 -0700 | [diff] [blame] | 84 | .slave_alloc = sas_slave_alloc, |
| 85 | .target_destroy = sas_target_destroy, |
| 86 | .ioctl = sas_ioctl, |
James Bottomley | 2908d77 | 2006-08-29 09:22:51 -0500 | [diff] [blame] | 87 | }; |
| 88 | |
| 89 | static int __devinit asd_map_memio(struct asd_ha_struct *asd_ha) |
| 90 | { |
| 91 | int err, i; |
| 92 | struct asd_ha_addrspace *io_handle; |
| 93 | |
| 94 | asd_ha->iospace = 0; |
| 95 | for (i = 0; i < 3; i += 2) { |
| 96 | io_handle = &asd_ha->io_handle[i==0?0:1]; |
| 97 | io_handle->start = pci_resource_start(asd_ha->pcidev, i); |
| 98 | io_handle->len = pci_resource_len(asd_ha->pcidev, i); |
| 99 | io_handle->flags = pci_resource_flags(asd_ha->pcidev, i); |
| 100 | err = -ENODEV; |
| 101 | if (!io_handle->start || !io_handle->len) { |
| 102 | asd_printk("MBAR%d start or length for %s is 0.\n", |
| 103 | i==0?0:1, pci_name(asd_ha->pcidev)); |
| 104 | goto Err; |
| 105 | } |
| 106 | err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME); |
| 107 | if (err) { |
| 108 | asd_printk("couldn't reserve memory region for %s\n", |
| 109 | pci_name(asd_ha->pcidev)); |
| 110 | goto Err; |
| 111 | } |
| 112 | if (io_handle->flags & IORESOURCE_CACHEABLE) |
| 113 | io_handle->addr = ioremap(io_handle->start, |
| 114 | io_handle->len); |
| 115 | else |
| 116 | io_handle->addr = ioremap_nocache(io_handle->start, |
| 117 | io_handle->len); |
| 118 | if (!io_handle->addr) { |
| 119 | asd_printk("couldn't map MBAR%d of %s\n", i==0?0:1, |
| 120 | pci_name(asd_ha->pcidev)); |
| 121 | goto Err_unreq; |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | return 0; |
| 126 | Err_unreq: |
| 127 | pci_release_region(asd_ha->pcidev, i); |
| 128 | Err: |
| 129 | if (i > 0) { |
| 130 | io_handle = &asd_ha->io_handle[0]; |
| 131 | iounmap(io_handle->addr); |
| 132 | pci_release_region(asd_ha->pcidev, 0); |
| 133 | } |
| 134 | return err; |
| 135 | } |
| 136 | |
| 137 | static void __devexit asd_unmap_memio(struct asd_ha_struct *asd_ha) |
| 138 | { |
| 139 | struct asd_ha_addrspace *io_handle; |
| 140 | |
| 141 | io_handle = &asd_ha->io_handle[1]; |
| 142 | iounmap(io_handle->addr); |
| 143 | pci_release_region(asd_ha->pcidev, 2); |
| 144 | |
| 145 | io_handle = &asd_ha->io_handle[0]; |
| 146 | iounmap(io_handle->addr); |
| 147 | pci_release_region(asd_ha->pcidev, 0); |
| 148 | } |
| 149 | |
| 150 | static int __devinit asd_map_ioport(struct asd_ha_struct *asd_ha) |
| 151 | { |
| 152 | int i = PCI_IOBAR_OFFSET, err; |
| 153 | struct asd_ha_addrspace *io_handle = &asd_ha->io_handle[0]; |
| 154 | |
| 155 | asd_ha->iospace = 1; |
| 156 | io_handle->start = pci_resource_start(asd_ha->pcidev, i); |
| 157 | io_handle->len = pci_resource_len(asd_ha->pcidev, i); |
| 158 | io_handle->flags = pci_resource_flags(asd_ha->pcidev, i); |
| 159 | io_handle->addr = (void __iomem *) io_handle->start; |
| 160 | if (!io_handle->start || !io_handle->len) { |
| 161 | asd_printk("couldn't get IO ports for %s\n", |
| 162 | pci_name(asd_ha->pcidev)); |
| 163 | return -ENODEV; |
| 164 | } |
| 165 | err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME); |
| 166 | if (err) { |
| 167 | asd_printk("couldn't reserve io space for %s\n", |
| 168 | pci_name(asd_ha->pcidev)); |
| 169 | } |
| 170 | |
| 171 | return err; |
| 172 | } |
| 173 | |
| 174 | static void __devexit asd_unmap_ioport(struct asd_ha_struct *asd_ha) |
| 175 | { |
| 176 | pci_release_region(asd_ha->pcidev, PCI_IOBAR_OFFSET); |
| 177 | } |
| 178 | |
| 179 | static int __devinit asd_map_ha(struct asd_ha_struct *asd_ha) |
| 180 | { |
| 181 | int err; |
| 182 | u16 cmd_reg; |
| 183 | |
| 184 | err = pci_read_config_word(asd_ha->pcidev, PCI_COMMAND, &cmd_reg); |
| 185 | if (err) { |
| 186 | asd_printk("couldn't read command register of %s\n", |
| 187 | pci_name(asd_ha->pcidev)); |
| 188 | goto Err; |
| 189 | } |
| 190 | |
| 191 | err = -ENODEV; |
| 192 | if (cmd_reg & PCI_COMMAND_MEMORY) { |
| 193 | if ((err = asd_map_memio(asd_ha))) |
| 194 | goto Err; |
| 195 | } else if (cmd_reg & PCI_COMMAND_IO) { |
| 196 | if ((err = asd_map_ioport(asd_ha))) |
| 197 | goto Err; |
| 198 | asd_printk("%s ioport mapped -- upgrade your hardware\n", |
| 199 | pci_name(asd_ha->pcidev)); |
| 200 | } else { |
| 201 | asd_printk("no proper device access to %s\n", |
| 202 | pci_name(asd_ha->pcidev)); |
| 203 | goto Err; |
| 204 | } |
| 205 | |
| 206 | return 0; |
| 207 | Err: |
| 208 | return err; |
| 209 | } |
| 210 | |
| 211 | static void __devexit asd_unmap_ha(struct asd_ha_struct *asd_ha) |
| 212 | { |
| 213 | if (asd_ha->iospace) |
| 214 | asd_unmap_ioport(asd_ha); |
| 215 | else |
| 216 | asd_unmap_memio(asd_ha); |
| 217 | } |
| 218 | |
| 219 | static const char *asd_dev_rev[30] = { |
| 220 | [0] = "A0", |
| 221 | [1] = "A1", |
| 222 | [8] = "B0", |
| 223 | }; |
| 224 | |
| 225 | static int __devinit asd_common_setup(struct asd_ha_struct *asd_ha) |
| 226 | { |
| 227 | int err, i; |
| 228 | |
Auke Kok | 44c1013 | 2007-06-08 15:46:36 -0700 | [diff] [blame] | 229 | asd_ha->revision_id = asd_ha->pcidev->revision; |
| 230 | |
James Bottomley | 2908d77 | 2006-08-29 09:22:51 -0500 | [diff] [blame] | 231 | err = -ENODEV; |
| 232 | if (asd_ha->revision_id < AIC9410_DEV_REV_B0) { |
| 233 | asd_printk("%s is revision %s (%X), which is not supported\n", |
| 234 | pci_name(asd_ha->pcidev), |
| 235 | asd_dev_rev[asd_ha->revision_id], |
| 236 | asd_ha->revision_id); |
| 237 | goto Err; |
| 238 | } |
| 239 | /* Provide some sane default values. */ |
| 240 | asd_ha->hw_prof.max_scbs = 512; |
Darrick J. Wong | 3b709df | 2007-01-11 14:15:29 -0800 | [diff] [blame] | 241 | asd_ha->hw_prof.max_ddbs = ASD_MAX_DDBS; |
James Bottomley | 2908d77 | 2006-08-29 09:22:51 -0500 | [diff] [blame] | 242 | asd_ha->hw_prof.num_phys = ASD_MAX_PHYS; |
| 243 | /* All phys are enabled, by default. */ |
| 244 | asd_ha->hw_prof.enabled_phys = 0xFF; |
| 245 | for (i = 0; i < ASD_MAX_PHYS; i++) { |
James Bottomley | 88edf74 | 2006-09-06 17:36:13 -0500 | [diff] [blame] | 246 | asd_ha->hw_prof.phy_desc[i].max_sas_lrate = |
| 247 | SAS_LINK_RATE_3_0_GBPS; |
| 248 | asd_ha->hw_prof.phy_desc[i].min_sas_lrate = |
| 249 | SAS_LINK_RATE_1_5_GBPS; |
| 250 | asd_ha->hw_prof.phy_desc[i].max_sata_lrate = |
| 251 | SAS_LINK_RATE_1_5_GBPS; |
| 252 | asd_ha->hw_prof.phy_desc[i].min_sata_lrate = |
| 253 | SAS_LINK_RATE_1_5_GBPS; |
James Bottomley | 2908d77 | 2006-08-29 09:22:51 -0500 | [diff] [blame] | 254 | } |
| 255 | |
| 256 | return 0; |
| 257 | Err: |
| 258 | return err; |
| 259 | } |
| 260 | |
| 261 | static int __devinit asd_aic9410_setup(struct asd_ha_struct *asd_ha) |
| 262 | { |
| 263 | int err = asd_common_setup(asd_ha); |
| 264 | |
| 265 | if (err) |
| 266 | return err; |
| 267 | |
| 268 | asd_ha->hw_prof.addr_range = 8; |
| 269 | asd_ha->hw_prof.port_name_base = 0; |
| 270 | asd_ha->hw_prof.dev_name_base = 8; |
| 271 | asd_ha->hw_prof.sata_name_base = 16; |
| 272 | |
| 273 | return 0; |
| 274 | } |
| 275 | |
| 276 | static int __devinit asd_aic9405_setup(struct asd_ha_struct *asd_ha) |
| 277 | { |
| 278 | int err = asd_common_setup(asd_ha); |
| 279 | |
| 280 | if (err) |
| 281 | return err; |
| 282 | |
| 283 | asd_ha->hw_prof.addr_range = 4; |
| 284 | asd_ha->hw_prof.port_name_base = 0; |
| 285 | asd_ha->hw_prof.dev_name_base = 4; |
| 286 | asd_ha->hw_prof.sata_name_base = 8; |
| 287 | |
| 288 | return 0; |
| 289 | } |
| 290 | |
| 291 | static ssize_t asd_show_dev_rev(struct device *dev, |
| 292 | struct device_attribute *attr, char *buf) |
| 293 | { |
| 294 | struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev); |
| 295 | return snprintf(buf, PAGE_SIZE, "%s\n", |
| 296 | asd_dev_rev[asd_ha->revision_id]); |
| 297 | } |
| 298 | static DEVICE_ATTR(revision, S_IRUGO, asd_show_dev_rev, NULL); |
| 299 | |
| 300 | static ssize_t asd_show_dev_bios_build(struct device *dev, |
| 301 | struct device_attribute *attr,char *buf) |
| 302 | { |
| 303 | struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev); |
| 304 | return snprintf(buf, PAGE_SIZE, "%d\n", asd_ha->hw_prof.bios.bld); |
| 305 | } |
| 306 | static DEVICE_ATTR(bios_build, S_IRUGO, asd_show_dev_bios_build, NULL); |
| 307 | |
| 308 | static ssize_t asd_show_dev_pcba_sn(struct device *dev, |
| 309 | struct device_attribute *attr, char *buf) |
| 310 | { |
| 311 | struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev); |
| 312 | return snprintf(buf, PAGE_SIZE, "%s\n", asd_ha->hw_prof.pcba_sn); |
| 313 | } |
| 314 | static DEVICE_ATTR(pcba_sn, S_IRUGO, asd_show_dev_pcba_sn, NULL); |
| 315 | |
Jeff Garzik | bb07662 | 2006-10-04 06:19:18 -0400 | [diff] [blame] | 316 | static int asd_create_dev_attrs(struct asd_ha_struct *asd_ha) |
James Bottomley | 2908d77 | 2006-08-29 09:22:51 -0500 | [diff] [blame] | 317 | { |
Jeff Garzik | bb07662 | 2006-10-04 06:19:18 -0400 | [diff] [blame] | 318 | int err; |
| 319 | |
| 320 | err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_revision); |
| 321 | if (err) |
| 322 | return err; |
| 323 | |
| 324 | err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_bios_build); |
| 325 | if (err) |
| 326 | goto err_rev; |
| 327 | |
| 328 | err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn); |
| 329 | if (err) |
| 330 | goto err_biosb; |
| 331 | |
| 332 | return 0; |
| 333 | |
| 334 | err_biosb: |
| 335 | device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build); |
| 336 | err_rev: |
| 337 | device_remove_file(&asd_ha->pcidev->dev, &dev_attr_revision); |
| 338 | return err; |
James Bottomley | 2908d77 | 2006-08-29 09:22:51 -0500 | [diff] [blame] | 339 | } |
| 340 | |
| 341 | static void asd_remove_dev_attrs(struct asd_ha_struct *asd_ha) |
| 342 | { |
| 343 | device_remove_file(&asd_ha->pcidev->dev, &dev_attr_revision); |
| 344 | device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build); |
| 345 | device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn); |
| 346 | } |
| 347 | |
| 348 | /* The first entry, 0, is used for dynamic ids, the rest for devices |
| 349 | * we know about. |
| 350 | */ |
| 351 | static struct asd_pcidev_struct { |
| 352 | const char * name; |
| 353 | int (*setup)(struct asd_ha_struct *asd_ha); |
| 354 | } asd_pcidev_data[] = { |
| 355 | /* Id 0 is used for dynamic ids. */ |
| 356 | { .name = "Adaptec AIC-94xx SAS/SATA Host Adapter", |
| 357 | .setup = asd_aic9410_setup |
| 358 | }, |
| 359 | { .name = "Adaptec AIC-9410W SAS/SATA Host Adapter", |
| 360 | .setup = asd_aic9410_setup |
| 361 | }, |
| 362 | { .name = "Adaptec AIC-9405W SAS/SATA Host Adapter", |
| 363 | .setup = asd_aic9405_setup |
| 364 | }, |
| 365 | }; |
| 366 | |
| 367 | static inline int asd_create_ha_caches(struct asd_ha_struct *asd_ha) |
| 368 | { |
| 369 | asd_ha->scb_pool = dma_pool_create(ASD_DRIVER_NAME "_scb_pool", |
| 370 | &asd_ha->pcidev->dev, |
| 371 | sizeof(struct scb), |
| 372 | 8, 0); |
| 373 | if (!asd_ha->scb_pool) { |
| 374 | asd_printk("couldn't create scb pool\n"); |
| 375 | return -ENOMEM; |
| 376 | } |
| 377 | |
| 378 | return 0; |
| 379 | } |
| 380 | |
| 381 | /** |
| 382 | * asd_free_edbs -- free empty data buffers |
| 383 | * asd_ha: pointer to host adapter structure |
| 384 | */ |
| 385 | static inline void asd_free_edbs(struct asd_ha_struct *asd_ha) |
| 386 | { |
| 387 | struct asd_seq_data *seq = &asd_ha->seq; |
| 388 | int i; |
| 389 | |
| 390 | for (i = 0; i < seq->num_edbs; i++) |
| 391 | asd_free_coherent(asd_ha, seq->edb_arr[i]); |
| 392 | kfree(seq->edb_arr); |
| 393 | seq->edb_arr = NULL; |
| 394 | } |
| 395 | |
| 396 | static inline void asd_free_escbs(struct asd_ha_struct *asd_ha) |
| 397 | { |
| 398 | struct asd_seq_data *seq = &asd_ha->seq; |
| 399 | int i; |
| 400 | |
| 401 | for (i = 0; i < seq->num_escbs; i++) { |
| 402 | if (!list_empty(&seq->escb_arr[i]->list)) |
| 403 | list_del_init(&seq->escb_arr[i]->list); |
| 404 | |
| 405 | asd_ascb_free(seq->escb_arr[i]); |
| 406 | } |
| 407 | kfree(seq->escb_arr); |
| 408 | seq->escb_arr = NULL; |
| 409 | } |
| 410 | |
| 411 | static inline void asd_destroy_ha_caches(struct asd_ha_struct *asd_ha) |
| 412 | { |
| 413 | int i; |
| 414 | |
| 415 | if (asd_ha->hw_prof.ddb_ext) |
| 416 | asd_free_coherent(asd_ha, asd_ha->hw_prof.ddb_ext); |
| 417 | if (asd_ha->hw_prof.scb_ext) |
| 418 | asd_free_coherent(asd_ha, asd_ha->hw_prof.scb_ext); |
| 419 | |
| 420 | if (asd_ha->hw_prof.ddb_bitmap) |
| 421 | kfree(asd_ha->hw_prof.ddb_bitmap); |
| 422 | asd_ha->hw_prof.ddb_bitmap = NULL; |
| 423 | |
| 424 | for (i = 0; i < ASD_MAX_PHYS; i++) { |
| 425 | struct asd_phy *phy = &asd_ha->phys[i]; |
| 426 | |
| 427 | asd_free_coherent(asd_ha, phy->id_frm_tok); |
| 428 | } |
| 429 | if (asd_ha->seq.escb_arr) |
| 430 | asd_free_escbs(asd_ha); |
| 431 | if (asd_ha->seq.edb_arr) |
| 432 | asd_free_edbs(asd_ha); |
| 433 | if (asd_ha->hw_prof.ue.area) { |
| 434 | kfree(asd_ha->hw_prof.ue.area); |
| 435 | asd_ha->hw_prof.ue.area = NULL; |
| 436 | } |
| 437 | if (asd_ha->seq.tc_index_array) { |
| 438 | kfree(asd_ha->seq.tc_index_array); |
| 439 | kfree(asd_ha->seq.tc_index_bitmap); |
| 440 | asd_ha->seq.tc_index_array = NULL; |
| 441 | asd_ha->seq.tc_index_bitmap = NULL; |
| 442 | } |
| 443 | if (asd_ha->seq.actual_dl) { |
| 444 | asd_free_coherent(asd_ha, asd_ha->seq.actual_dl); |
| 445 | asd_ha->seq.actual_dl = NULL; |
| 446 | asd_ha->seq.dl = NULL; |
| 447 | } |
| 448 | if (asd_ha->seq.next_scb.vaddr) { |
| 449 | dma_pool_free(asd_ha->scb_pool, asd_ha->seq.next_scb.vaddr, |
| 450 | asd_ha->seq.next_scb.dma_handle); |
| 451 | asd_ha->seq.next_scb.vaddr = NULL; |
| 452 | } |
| 453 | dma_pool_destroy(asd_ha->scb_pool); |
| 454 | asd_ha->scb_pool = NULL; |
| 455 | } |
| 456 | |
Christoph Lameter | e18b890 | 2006-12-06 20:33:20 -0800 | [diff] [blame] | 457 | struct kmem_cache *asd_dma_token_cache; |
| 458 | struct kmem_cache *asd_ascb_cache; |
James Bottomley | 2908d77 | 2006-08-29 09:22:51 -0500 | [diff] [blame] | 459 | |
| 460 | static int asd_create_global_caches(void) |
| 461 | { |
| 462 | if (!asd_dma_token_cache) { |
| 463 | asd_dma_token_cache |
| 464 | = kmem_cache_create(ASD_DRIVER_NAME "_dma_token", |
| 465 | sizeof(struct asd_dma_tok), |
| 466 | 0, |
| 467 | SLAB_HWCACHE_ALIGN, |
Paul Mundt | 20c2df8 | 2007-07-20 10:11:58 +0900 | [diff] [blame] | 468 | NULL); |
James Bottomley | 2908d77 | 2006-08-29 09:22:51 -0500 | [diff] [blame] | 469 | if (!asd_dma_token_cache) { |
| 470 | asd_printk("couldn't create dma token cache\n"); |
| 471 | return -ENOMEM; |
| 472 | } |
| 473 | } |
| 474 | |
| 475 | if (!asd_ascb_cache) { |
| 476 | asd_ascb_cache = kmem_cache_create(ASD_DRIVER_NAME "_ascb", |
| 477 | sizeof(struct asd_ascb), |
| 478 | 0, |
| 479 | SLAB_HWCACHE_ALIGN, |
Paul Mundt | 20c2df8 | 2007-07-20 10:11:58 +0900 | [diff] [blame] | 480 | NULL); |
James Bottomley | 2908d77 | 2006-08-29 09:22:51 -0500 | [diff] [blame] | 481 | if (!asd_ascb_cache) { |
| 482 | asd_printk("couldn't create ascb cache\n"); |
| 483 | goto Err; |
| 484 | } |
| 485 | } |
| 486 | |
| 487 | return 0; |
| 488 | Err: |
| 489 | kmem_cache_destroy(asd_dma_token_cache); |
| 490 | asd_dma_token_cache = NULL; |
| 491 | return -ENOMEM; |
| 492 | } |
| 493 | |
| 494 | static void asd_destroy_global_caches(void) |
| 495 | { |
| 496 | if (asd_dma_token_cache) |
| 497 | kmem_cache_destroy(asd_dma_token_cache); |
| 498 | asd_dma_token_cache = NULL; |
| 499 | |
| 500 | if (asd_ascb_cache) |
| 501 | kmem_cache_destroy(asd_ascb_cache); |
| 502 | asd_ascb_cache = NULL; |
| 503 | } |
| 504 | |
| 505 | static int asd_register_sas_ha(struct asd_ha_struct *asd_ha) |
| 506 | { |
| 507 | int i; |
| 508 | struct asd_sas_phy **sas_phys = |
| 509 | kmalloc(ASD_MAX_PHYS * sizeof(struct asd_sas_phy), GFP_KERNEL); |
| 510 | struct asd_sas_port **sas_ports = |
| 511 | kmalloc(ASD_MAX_PHYS * sizeof(struct asd_sas_port), GFP_KERNEL); |
| 512 | |
| 513 | if (!sas_phys || !sas_ports) { |
| 514 | kfree(sas_phys); |
| 515 | kfree(sas_ports); |
| 516 | return -ENOMEM; |
| 517 | } |
| 518 | |
| 519 | asd_ha->sas_ha.sas_ha_name = (char *) asd_ha->name; |
| 520 | asd_ha->sas_ha.lldd_module = THIS_MODULE; |
| 521 | asd_ha->sas_ha.sas_addr = &asd_ha->hw_prof.sas_addr[0]; |
| 522 | |
| 523 | for (i = 0; i < ASD_MAX_PHYS; i++) { |
| 524 | sas_phys[i] = &asd_ha->phys[i].sas_phy; |
| 525 | sas_ports[i] = &asd_ha->ports[i]; |
| 526 | } |
| 527 | |
| 528 | asd_ha->sas_ha.sas_phy = sas_phys; |
| 529 | asd_ha->sas_ha.sas_port= sas_ports; |
| 530 | asd_ha->sas_ha.num_phys= ASD_MAX_PHYS; |
| 531 | |
| 532 | asd_ha->sas_ha.lldd_queue_size = asd_ha->seq.can_queue; |
Darrick J. Wong | f121642 | 2007-01-11 14:15:06 -0800 | [diff] [blame] | 533 | asd_ha->sas_ha.lldd_max_execute_num = lldd_max_execute_num; |
James Bottomley | 2908d77 | 2006-08-29 09:22:51 -0500 | [diff] [blame] | 534 | |
| 535 | return sas_register_ha(&asd_ha->sas_ha); |
| 536 | } |
| 537 | |
| 538 | static int asd_unregister_sas_ha(struct asd_ha_struct *asd_ha) |
| 539 | { |
| 540 | int err; |
| 541 | |
| 542 | err = sas_unregister_ha(&asd_ha->sas_ha); |
| 543 | |
| 544 | sas_remove_host(asd_ha->sas_ha.core.shost); |
| 545 | scsi_remove_host(asd_ha->sas_ha.core.shost); |
| 546 | scsi_host_put(asd_ha->sas_ha.core.shost); |
| 547 | |
| 548 | kfree(asd_ha->sas_ha.sas_phy); |
| 549 | kfree(asd_ha->sas_ha.sas_port); |
| 550 | |
| 551 | return err; |
| 552 | } |
| 553 | |
| 554 | static int __devinit asd_pci_probe(struct pci_dev *dev, |
| 555 | const struct pci_device_id *id) |
| 556 | { |
| 557 | struct asd_pcidev_struct *asd_dev; |
| 558 | unsigned asd_id = (unsigned) id->driver_data; |
| 559 | struct asd_ha_struct *asd_ha; |
| 560 | struct Scsi_Host *shost; |
| 561 | int err; |
| 562 | |
| 563 | if (asd_id >= ARRAY_SIZE(asd_pcidev_data)) { |
| 564 | asd_printk("wrong driver_data in PCI table\n"); |
| 565 | return -ENODEV; |
| 566 | } |
| 567 | |
| 568 | if ((err = pci_enable_device(dev))) { |
| 569 | asd_printk("couldn't enable device %s\n", pci_name(dev)); |
| 570 | return err; |
| 571 | } |
| 572 | |
| 573 | pci_set_master(dev); |
| 574 | |
| 575 | err = -ENOMEM; |
| 576 | |
| 577 | shost = scsi_host_alloc(&aic94xx_sht, sizeof(void *)); |
| 578 | if (!shost) |
| 579 | goto Err; |
| 580 | |
| 581 | asd_dev = &asd_pcidev_data[asd_id]; |
| 582 | |
| 583 | asd_ha = kzalloc(sizeof(*asd_ha), GFP_KERNEL); |
| 584 | if (!asd_ha) { |
| 585 | asd_printk("out of memory\n"); |
| 586 | goto Err; |
| 587 | } |
| 588 | asd_ha->pcidev = dev; |
Jeff Garzik | 1d1bbee | 2007-07-26 09:28:37 -0400 | [diff] [blame] | 589 | asd_ha->sas_ha.dev = &asd_ha->pcidev->dev; |
James Bottomley | 2908d77 | 2006-08-29 09:22:51 -0500 | [diff] [blame] | 590 | asd_ha->sas_ha.lldd_ha = asd_ha; |
| 591 | |
| 592 | asd_ha->name = asd_dev->name; |
| 593 | asd_printk("found %s, device %s\n", asd_ha->name, pci_name(dev)); |
| 594 | |
| 595 | SHOST_TO_SAS_HA(shost) = &asd_ha->sas_ha; |
| 596 | asd_ha->sas_ha.core.shost = shost; |
| 597 | shost->transportt = aic94xx_transport_template; |
| 598 | shost->max_id = ~0; |
| 599 | shost->max_lun = ~0; |
| 600 | shost->max_cmd_len = 16; |
| 601 | |
| 602 | err = scsi_add_host(shost, &dev->dev); |
| 603 | if (err) { |
| 604 | scsi_host_put(shost); |
| 605 | goto Err_free; |
| 606 | } |
| 607 | |
James Bottomley | 2908d77 | 2006-08-29 09:22:51 -0500 | [diff] [blame] | 608 | err = asd_dev->setup(asd_ha); |
| 609 | if (err) |
| 610 | goto Err_free; |
| 611 | |
| 612 | err = -ENODEV; |
| 613 | if (!pci_set_dma_mask(dev, DMA_64BIT_MASK) |
| 614 | && !pci_set_consistent_dma_mask(dev, DMA_64BIT_MASK)) |
| 615 | ; |
| 616 | else if (!pci_set_dma_mask(dev, DMA_32BIT_MASK) |
| 617 | && !pci_set_consistent_dma_mask(dev, DMA_32BIT_MASK)) |
| 618 | ; |
| 619 | else { |
| 620 | asd_printk("no suitable DMA mask for %s\n", pci_name(dev)); |
| 621 | goto Err_free; |
| 622 | } |
| 623 | |
| 624 | pci_set_drvdata(dev, asd_ha); |
| 625 | |
| 626 | err = asd_map_ha(asd_ha); |
| 627 | if (err) |
| 628 | goto Err_free; |
| 629 | |
| 630 | err = asd_create_ha_caches(asd_ha); |
| 631 | if (err) |
| 632 | goto Err_unmap; |
| 633 | |
| 634 | err = asd_init_hw(asd_ha); |
| 635 | if (err) |
| 636 | goto Err_free_cache; |
| 637 | |
| 638 | asd_printk("device %s: SAS addr %llx, PCBA SN %s, %d phys, %d enabled " |
| 639 | "phys, flash %s, BIOS %s%d\n", |
| 640 | pci_name(dev), SAS_ADDR(asd_ha->hw_prof.sas_addr), |
| 641 | asd_ha->hw_prof.pcba_sn, asd_ha->hw_prof.max_phys, |
| 642 | asd_ha->hw_prof.num_phys, |
| 643 | asd_ha->hw_prof.flash.present ? "present" : "not present", |
| 644 | asd_ha->hw_prof.bios.present ? "build " : "not present", |
| 645 | asd_ha->hw_prof.bios.bld); |
| 646 | |
Darrick J. Wong | f19eaa7 | 2006-08-30 14:18:33 -0700 | [diff] [blame] | 647 | shost->can_queue = asd_ha->seq.can_queue; |
| 648 | |
James Bottomley | 2908d77 | 2006-08-29 09:22:51 -0500 | [diff] [blame] | 649 | if (use_msi) |
| 650 | pci_enable_msi(asd_ha->pcidev); |
| 651 | |
Thomas Gleixner | 38515e9 | 2007-02-14 00:33:16 -0800 | [diff] [blame] | 652 | err = request_irq(asd_ha->pcidev->irq, asd_hw_isr, IRQF_SHARED, |
James Bottomley | 2908d77 | 2006-08-29 09:22:51 -0500 | [diff] [blame] | 653 | ASD_DRIVER_NAME, asd_ha); |
| 654 | if (err) { |
| 655 | asd_printk("couldn't get irq %d for %s\n", |
| 656 | asd_ha->pcidev->irq, pci_name(asd_ha->pcidev)); |
| 657 | goto Err_irq; |
| 658 | } |
| 659 | asd_enable_ints(asd_ha); |
| 660 | |
| 661 | err = asd_init_post_escbs(asd_ha); |
| 662 | if (err) { |
| 663 | asd_printk("couldn't post escbs for %s\n", |
| 664 | pci_name(asd_ha->pcidev)); |
| 665 | goto Err_escbs; |
| 666 | } |
| 667 | ASD_DPRINTK("escbs posted\n"); |
| 668 | |
Jeff Garzik | bb07662 | 2006-10-04 06:19:18 -0400 | [diff] [blame] | 669 | err = asd_create_dev_attrs(asd_ha); |
| 670 | if (err) |
| 671 | goto Err_dev_attrs; |
James Bottomley | 2908d77 | 2006-08-29 09:22:51 -0500 | [diff] [blame] | 672 | |
| 673 | err = asd_register_sas_ha(asd_ha); |
| 674 | if (err) |
| 675 | goto Err_reg_sas; |
| 676 | |
Darrick J. Wong | e7571c1 | 2007-01-11 14:15:38 -0800 | [diff] [blame] | 677 | scsi_scan_host(shost); |
James Bottomley | 2908d77 | 2006-08-29 09:22:51 -0500 | [diff] [blame] | 678 | |
| 679 | return 0; |
Darrick J. Wong | e7571c1 | 2007-01-11 14:15:38 -0800 | [diff] [blame] | 680 | |
James Bottomley | 2908d77 | 2006-08-29 09:22:51 -0500 | [diff] [blame] | 681 | Err_reg_sas: |
| 682 | asd_remove_dev_attrs(asd_ha); |
Jeff Garzik | bb07662 | 2006-10-04 06:19:18 -0400 | [diff] [blame] | 683 | Err_dev_attrs: |
James Bottomley | 2908d77 | 2006-08-29 09:22:51 -0500 | [diff] [blame] | 684 | Err_escbs: |
| 685 | asd_disable_ints(asd_ha); |
| 686 | free_irq(dev->irq, asd_ha); |
| 687 | Err_irq: |
| 688 | if (use_msi) |
| 689 | pci_disable_msi(dev); |
| 690 | asd_chip_hardrst(asd_ha); |
| 691 | Err_free_cache: |
| 692 | asd_destroy_ha_caches(asd_ha); |
| 693 | Err_unmap: |
| 694 | asd_unmap_ha(asd_ha); |
| 695 | Err_free: |
| 696 | kfree(asd_ha); |
| 697 | scsi_remove_host(shost); |
| 698 | Err: |
| 699 | pci_disable_device(dev); |
| 700 | return err; |
| 701 | } |
| 702 | |
| 703 | static void asd_free_queues(struct asd_ha_struct *asd_ha) |
| 704 | { |
| 705 | unsigned long flags; |
| 706 | LIST_HEAD(pending); |
| 707 | struct list_head *n, *pos; |
| 708 | |
| 709 | spin_lock_irqsave(&asd_ha->seq.pend_q_lock, flags); |
| 710 | asd_ha->seq.pending = 0; |
| 711 | list_splice_init(&asd_ha->seq.pend_q, &pending); |
| 712 | spin_unlock_irqrestore(&asd_ha->seq.pend_q_lock, flags); |
| 713 | |
| 714 | if (!list_empty(&pending)) |
| 715 | ASD_DPRINTK("Uh-oh! Pending is not empty!\n"); |
| 716 | |
| 717 | list_for_each_safe(pos, n, &pending) { |
| 718 | struct asd_ascb *ascb = list_entry(pos, struct asd_ascb, list); |
Darrick J. Wong | 7b4feee | 2006-11-14 18:02:07 -0800 | [diff] [blame] | 719 | /* |
| 720 | * Delete unexpired ascb timers. This may happen if we issue |
| 721 | * a CONTROL PHY scb to an adapter and rmmod before the scb |
| 722 | * times out. Apparently we don't wait for the CONTROL PHY |
| 723 | * to complete, so it doesn't matter if we kill the timer. |
| 724 | */ |
| 725 | del_timer_sync(&ascb->timer); |
| 726 | WARN_ON(ascb->scb->header.opcode != CONTROL_PHY); |
| 727 | |
James Bottomley | 2908d77 | 2006-08-29 09:22:51 -0500 | [diff] [blame] | 728 | list_del_init(pos); |
| 729 | ASD_DPRINTK("freeing from pending\n"); |
| 730 | asd_ascb_free(ascb); |
| 731 | } |
| 732 | } |
| 733 | |
| 734 | static void asd_turn_off_leds(struct asd_ha_struct *asd_ha) |
| 735 | { |
| 736 | u8 phy_mask = asd_ha->hw_prof.enabled_phys; |
| 737 | u8 i; |
| 738 | |
| 739 | for_each_phy(phy_mask, phy_mask, i) { |
| 740 | asd_turn_led(asd_ha, i, 0); |
| 741 | asd_control_led(asd_ha, i, 0); |
| 742 | } |
| 743 | } |
| 744 | |
| 745 | static void __devexit asd_pci_remove(struct pci_dev *dev) |
| 746 | { |
| 747 | struct asd_ha_struct *asd_ha = pci_get_drvdata(dev); |
| 748 | |
| 749 | if (!asd_ha) |
| 750 | return; |
| 751 | |
| 752 | asd_unregister_sas_ha(asd_ha); |
| 753 | |
| 754 | asd_disable_ints(asd_ha); |
| 755 | |
| 756 | asd_remove_dev_attrs(asd_ha); |
| 757 | |
| 758 | /* XXX more here as needed */ |
| 759 | |
| 760 | free_irq(dev->irq, asd_ha); |
| 761 | if (use_msi) |
| 762 | pci_disable_msi(asd_ha->pcidev); |
| 763 | asd_turn_off_leds(asd_ha); |
| 764 | asd_chip_hardrst(asd_ha); |
| 765 | asd_free_queues(asd_ha); |
| 766 | asd_destroy_ha_caches(asd_ha); |
| 767 | asd_unmap_ha(asd_ha); |
| 768 | kfree(asd_ha); |
| 769 | pci_disable_device(dev); |
| 770 | return; |
| 771 | } |
| 772 | |
Darrick J. Wong | e7571c1 | 2007-01-11 14:15:38 -0800 | [diff] [blame] | 773 | static void asd_scan_start(struct Scsi_Host *shost) |
| 774 | { |
| 775 | struct asd_ha_struct *asd_ha; |
| 776 | int err; |
| 777 | |
| 778 | asd_ha = SHOST_TO_SAS_HA(shost)->lldd_ha; |
| 779 | err = asd_enable_phys(asd_ha, asd_ha->hw_prof.enabled_phys); |
| 780 | if (err) |
| 781 | asd_printk("Couldn't enable phys, err:%d\n", err); |
| 782 | } |
| 783 | |
| 784 | static int asd_scan_finished(struct Scsi_Host *shost, unsigned long time) |
| 785 | { |
| 786 | /* give the phy enabling interrupt event time to come in (1s |
| 787 | * is empirically about all it takes) */ |
| 788 | if (time < HZ) |
| 789 | return 0; |
| 790 | /* Wait for discovery to finish */ |
| 791 | scsi_flush_work(shost); |
| 792 | return 1; |
| 793 | } |
| 794 | |
James Bottomley | 2908d77 | 2006-08-29 09:22:51 -0500 | [diff] [blame] | 795 | static ssize_t asd_version_show(struct device_driver *driver, char *buf) |
| 796 | { |
| 797 | return snprintf(buf, PAGE_SIZE, "%s\n", ASD_DRIVER_VERSION); |
| 798 | } |
| 799 | static DRIVER_ATTR(version, S_IRUGO, asd_version_show, NULL); |
| 800 | |
Jeff Garzik | bb07662 | 2006-10-04 06:19:18 -0400 | [diff] [blame] | 801 | static int asd_create_driver_attrs(struct device_driver *driver) |
James Bottomley | 2908d77 | 2006-08-29 09:22:51 -0500 | [diff] [blame] | 802 | { |
Jeff Garzik | bb07662 | 2006-10-04 06:19:18 -0400 | [diff] [blame] | 803 | return driver_create_file(driver, &driver_attr_version); |
James Bottomley | 2908d77 | 2006-08-29 09:22:51 -0500 | [diff] [blame] | 804 | } |
| 805 | |
| 806 | static void asd_remove_driver_attrs(struct device_driver *driver) |
| 807 | { |
| 808 | driver_remove_file(driver, &driver_attr_version); |
| 809 | } |
| 810 | |
| 811 | static struct sas_domain_function_template aic94xx_transport_functions = { |
James Bottomley | 2908d77 | 2006-08-29 09:22:51 -0500 | [diff] [blame] | 812 | .lldd_dev_found = asd_dev_found, |
| 813 | .lldd_dev_gone = asd_dev_gone, |
| 814 | |
| 815 | .lldd_execute_task = asd_execute_task, |
| 816 | |
| 817 | .lldd_abort_task = asd_abort_task, |
| 818 | .lldd_abort_task_set = asd_abort_task_set, |
| 819 | .lldd_clear_aca = asd_clear_aca, |
| 820 | .lldd_clear_task_set = asd_clear_task_set, |
| 821 | .lldd_I_T_nexus_reset = NULL, |
| 822 | .lldd_lu_reset = asd_lu_reset, |
| 823 | .lldd_query_task = asd_query_task, |
| 824 | |
| 825 | .lldd_clear_nexus_port = asd_clear_nexus_port, |
| 826 | .lldd_clear_nexus_ha = asd_clear_nexus_ha, |
| 827 | |
| 828 | .lldd_control_phy = asd_control_phy, |
| 829 | }; |
| 830 | |
| 831 | static const struct pci_device_id aic94xx_pci_table[] __devinitdata = { |
| 832 | {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR10), |
| 833 | 0, 0, 1}, |
| 834 | {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR12), |
| 835 | 0, 0, 1}, |
| 836 | {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR1E), |
| 837 | 0, 0, 1}, |
Sergey Kononenko | 3fc2aef | 2006-10-15 03:12:08 +0300 | [diff] [blame] | 838 | {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR1F), |
| 839 | 0, 0, 1}, |
James Bottomley | 2908d77 | 2006-08-29 09:22:51 -0500 | [diff] [blame] | 840 | {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR30), |
| 841 | 0, 0, 2}, |
| 842 | {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR32), |
| 843 | 0, 0, 2}, |
| 844 | {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR3E), |
| 845 | 0, 0, 2}, |
| 846 | {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR3F), |
| 847 | 0, 0, 2}, |
| 848 | {} |
| 849 | }; |
| 850 | |
| 851 | MODULE_DEVICE_TABLE(pci, aic94xx_pci_table); |
| 852 | |
| 853 | static struct pci_driver aic94xx_pci_driver = { |
| 854 | .name = ASD_DRIVER_NAME, |
| 855 | .id_table = aic94xx_pci_table, |
| 856 | .probe = asd_pci_probe, |
| 857 | .remove = __devexit_p(asd_pci_remove), |
| 858 | }; |
| 859 | |
| 860 | static int __init aic94xx_init(void) |
| 861 | { |
| 862 | int err; |
| 863 | |
| 864 | |
| 865 | asd_printk("%s version %s loaded\n", ASD_DRIVER_DESCRIPTION, |
| 866 | ASD_DRIVER_VERSION); |
| 867 | |
| 868 | err = asd_create_global_caches(); |
| 869 | if (err) |
| 870 | return err; |
| 871 | |
| 872 | aic94xx_transport_template = |
| 873 | sas_domain_attach_transport(&aic94xx_transport_functions); |
malahal@us.ibm.com | 10d19ae | 2006-09-07 15:12:42 -0700 | [diff] [blame] | 874 | if (!aic94xx_transport_template) |
James Bottomley | 2908d77 | 2006-08-29 09:22:51 -0500 | [diff] [blame] | 875 | goto out_destroy_caches; |
| 876 | |
| 877 | err = pci_register_driver(&aic94xx_pci_driver); |
| 878 | if (err) |
| 879 | goto out_release_transport; |
| 880 | |
Jeff Garzik | bb07662 | 2006-10-04 06:19:18 -0400 | [diff] [blame] | 881 | err = asd_create_driver_attrs(&aic94xx_pci_driver.driver); |
| 882 | if (err) |
| 883 | goto out_unregister_pcidrv; |
James Bottomley | 2908d77 | 2006-08-29 09:22:51 -0500 | [diff] [blame] | 884 | |
| 885 | return err; |
| 886 | |
Jeff Garzik | bb07662 | 2006-10-04 06:19:18 -0400 | [diff] [blame] | 887 | out_unregister_pcidrv: |
| 888 | pci_unregister_driver(&aic94xx_pci_driver); |
James Bottomley | 2908d77 | 2006-08-29 09:22:51 -0500 | [diff] [blame] | 889 | out_release_transport: |
| 890 | sas_release_transport(aic94xx_transport_template); |
| 891 | out_destroy_caches: |
| 892 | asd_destroy_global_caches(); |
| 893 | |
| 894 | return err; |
| 895 | } |
| 896 | |
| 897 | static void __exit aic94xx_exit(void) |
| 898 | { |
| 899 | asd_remove_driver_attrs(&aic94xx_pci_driver.driver); |
| 900 | pci_unregister_driver(&aic94xx_pci_driver); |
| 901 | sas_release_transport(aic94xx_transport_template); |
Darrick J. Wong | bf2a192 | 2007-01-11 14:15:26 -0800 | [diff] [blame] | 902 | asd_release_firmware(); |
James Bottomley | 2908d77 | 2006-08-29 09:22:51 -0500 | [diff] [blame] | 903 | asd_destroy_global_caches(); |
| 904 | asd_printk("%s version %s unloaded\n", ASD_DRIVER_DESCRIPTION, |
| 905 | ASD_DRIVER_VERSION); |
| 906 | } |
| 907 | |
| 908 | module_init(aic94xx_init); |
| 909 | module_exit(aic94xx_exit); |
| 910 | |
| 911 | MODULE_AUTHOR("Luben Tuikov <luben_tuikov@adaptec.com>"); |
| 912 | MODULE_DESCRIPTION(ASD_DRIVER_DESCRIPTION); |
| 913 | MODULE_LICENSE("GPL v2"); |
| 914 | MODULE_VERSION(ASD_DRIVER_VERSION); |