blob: 68ca1a4f30afa105217ddb3f285a52f074283fb5 [file] [log] [blame]
Dan Williams6f231dd2011-07-02 22:56:22 -07001/*
2 * This file is provided under a dual BSD/GPLv2 license. When using or
3 * redistributing this file, you may do so under either license.
4 *
5 * GPL LICENSE SUMMARY
6 *
7 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of version 2 of the GNU General Public License as
11 * published by the Free Software Foundation.
12 *
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
21 * The full GNU General Public License is included in this distribution
22 * in the file called LICENSE.GPL.
23 *
24 * BSD LICENSE
25 *
26 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
27 * All rights reserved.
28 *
29 * Redistribution and use in source and binary forms, with or without
30 * modification, are permitted provided that the following conditions
31 * are met:
32 *
33 * * Redistributions of source code must retain the above copyright
34 * notice, this list of conditions and the following disclaimer.
35 * * Redistributions in binary form must reproduce the above copyright
36 * notice, this list of conditions and the following disclaimer in
37 * the documentation and/or other materials provided with the
38 * distribution.
39 * * Neither the name of Intel Corporation nor the names of its
40 * contributors may be used to endorse or promote products derived
41 * from this software without specific prior written permission.
42 *
43 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
44 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
45 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
46 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
47 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
48 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
49 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
50 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
51 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
52 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
53 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
54 */
55
56#include <linux/kernel.h>
57#include <linux/init.h>
58#include <linux/module.h>
Dan Williamsd044af12011-03-08 09:52:49 -080059#include <linux/firmware.h>
60#include <linux/efi.h>
Dan Williams6f231dd2011-07-02 22:56:22 -070061#include <asm/string.h>
62#include "isci.h"
63#include "task.h"
Dan Williamsd044af12011-03-08 09:52:49 -080064#include "probe_roms.h"
Dan Williams6f231dd2011-07-02 22:56:22 -070065
66static struct scsi_transport_template *isci_transport_template;
Dan Williams6f231dd2011-07-02 22:56:22 -070067
68static DEFINE_PCI_DEVICE_TABLE(isci_id_table) = {
69 { PCI_VDEVICE(INTEL, 0x1D61),},
70 { PCI_VDEVICE(INTEL, 0x1D63),},
71 { PCI_VDEVICE(INTEL, 0x1D65),},
72 { PCI_VDEVICE(INTEL, 0x1D67),},
73 { PCI_VDEVICE(INTEL, 0x1D69),},
74 { PCI_VDEVICE(INTEL, 0x1D6B),},
75 { PCI_VDEVICE(INTEL, 0x1D60),},
76 { PCI_VDEVICE(INTEL, 0x1D62),},
77 { PCI_VDEVICE(INTEL, 0x1D64),},
78 { PCI_VDEVICE(INTEL, 0x1D66),},
79 { PCI_VDEVICE(INTEL, 0x1D68),},
80 { PCI_VDEVICE(INTEL, 0x1D6A),},
81 {}
82};
83
Dan Williams6f231dd2011-07-02 22:56:22 -070084MODULE_DEVICE_TABLE(pci, isci_id_table);
85
Dan Williams6f231dd2011-07-02 22:56:22 -070086/* linux isci specific settings */
Dan Williams6f231dd2011-07-02 22:56:22 -070087
Dan Williams6f231dd2011-07-02 22:56:22 -070088int isci_si_rev = ISCI_SI_REVA2;
Dave Jiangb5f18a22011-03-16 14:57:23 -070089module_param(isci_si_rev, int, 0);
Dan Williamsc6d42252011-05-04 13:49:32 -070090MODULE_PARM_DESC(isci_si_rev, "(deprecated) override default si rev (0: A0 1: A2 2: B0)");
Dan Williams6f231dd2011-07-02 22:56:22 -070091
Dave Jiangb5f18a22011-03-16 14:57:23 -070092unsigned char no_outbound_task_to = 20;
93module_param(no_outbound_task_to, byte, 0);
94MODULE_PARM_DESC(no_outbound_task_to, "No Outbound Task Timeout (1us incr)");
95
96u16 ssp_max_occ_to = 20;
97module_param(ssp_max_occ_to, ushort, 0);
98MODULE_PARM_DESC(ssp_max_occ_to, "SSP Max occupancy timeout (100us incr)");
99
100u16 stp_max_occ_to = 5;
101module_param(stp_max_occ_to, ushort, 0);
102MODULE_PARM_DESC(stp_max_occ_to, "STP Max occupancy timeout (100us incr)");
103
104u16 ssp_inactive_to = 5;
105module_param(ssp_inactive_to, ushort, 0);
106MODULE_PARM_DESC(ssp_inactive_to, "SSP inactivity timeout (100us incr)");
107
108u16 stp_inactive_to = 5;
109module_param(stp_inactive_to, ushort, 0);
110MODULE_PARM_DESC(stp_inactive_to, "STP inactivity timeout (100us incr)");
111
112unsigned char phy_gen = 3;
113module_param(phy_gen, byte, 0);
114MODULE_PARM_DESC(phy_gen, "PHY generation (1: 1.5Gbps 2: 3.0Gbps 3: 6.0Gbps)");
115
116unsigned char max_concurr_spinup = 1;
117module_param(max_concurr_spinup, byte, 0);
118MODULE_PARM_DESC(max_concurr_spinup, "Max concurrent device spinup");
119
Dan Williams6f231dd2011-07-02 22:56:22 -0700120static struct scsi_host_template isci_sht = {
121
122 .module = THIS_MODULE,
123 .name = DRV_NAME,
Havard Skinnemoen92cd5112011-02-18 18:32:08 -0800124 .proc_name = DRV_NAME,
Dan Williams6f231dd2011-07-02 22:56:22 -0700125 .queuecommand = sas_queuecommand,
126 .target_alloc = sas_target_alloc,
127 .slave_configure = sas_slave_configure,
128 .slave_destroy = sas_slave_destroy,
129 .scan_finished = isci_host_scan_finished,
130 .scan_start = isci_host_scan_start,
131 .change_queue_depth = sas_change_queue_depth,
132 .change_queue_type = sas_change_queue_type,
133 .bios_param = sas_bios_param,
134 .can_queue = ISCI_CAN_QUEUE_VAL,
135 .cmd_per_lun = 1,
136 .this_id = -1,
137 .sg_tablesize = SG_ALL,
138 .max_sectors = SCSI_DEFAULT_MAX_SECTORS,
139 .use_clustering = ENABLE_CLUSTERING,
140 .eh_device_reset_handler = sas_eh_device_reset_handler,
141 .eh_bus_reset_handler = isci_bus_reset_handler,
142 .slave_alloc = sas_slave_alloc,
143 .target_destroy = sas_target_destroy,
144 .ioctl = sas_ioctl,
145};
146
147static struct sas_domain_function_template isci_transport_ops = {
148
149 /* The class calls these to notify the LLDD of an event. */
150 .lldd_port_formed = isci_port_formed,
151 .lldd_port_deformed = isci_port_deformed,
152
153 /* The class calls these when a device is found or gone. */
154 .lldd_dev_found = isci_remote_device_found,
155 .lldd_dev_gone = isci_remote_device_gone,
156
157 .lldd_execute_task = isci_task_execute_task,
158 /* Task Management Functions. Must be called from process context. */
159 .lldd_abort_task = isci_task_abort_task,
160 .lldd_abort_task_set = isci_task_abort_task_set,
161 .lldd_clear_aca = isci_task_clear_aca,
162 .lldd_clear_task_set = isci_task_clear_task_set,
163 .lldd_I_T_nexus_reset = isci_task_I_T_nexus_reset,
164 .lldd_lu_reset = isci_task_lu_reset,
165 .lldd_query_task = isci_task_query_task,
166
167 /* Port and Adapter management */
168 .lldd_clear_nexus_port = isci_task_clear_nexus_port,
169 .lldd_clear_nexus_ha = isci_task_clear_nexus_ha,
170
171 /* Phy management */
172 .lldd_control_phy = isci_phy_control,
173};
174
175
176/******************************************************************************
177* P R O T E C T E D M E T H O D S
178******************************************************************************/
179
180
181
182/**
183 * isci_register_sas_ha() - This method initializes various lldd
184 * specific members of the sas_ha struct and calls the libsas
185 * sas_register_ha() function.
186 * @isci_host: This parameter specifies the lldd specific wrapper for the
187 * libsas sas_ha struct.
188 *
189 * This method returns an error code indicating sucess or failure. The user
190 * should check for possible memory allocation error return otherwise, a zero
191 * indicates success.
192 */
193static int isci_register_sas_ha(struct isci_host *isci_host)
194{
195 int i;
196 struct sas_ha_struct *sas_ha = &(isci_host->sas_ha);
197 struct asd_sas_phy **sas_phys;
198 struct asd_sas_port **sas_ports;
199
200 sas_phys = devm_kzalloc(&isci_host->pdev->dev,
201 SCI_MAX_PHYS * sizeof(void *),
202 GFP_KERNEL);
203 if (!sas_phys)
204 return -ENOMEM;
205
206 sas_ports = devm_kzalloc(&isci_host->pdev->dev,
207 SCI_MAX_PORTS * sizeof(void *),
208 GFP_KERNEL);
209 if (!sas_ports)
210 return -ENOMEM;
211
212 /*----------------- Libsas Initialization Stuff----------------------
213 * Set various fields in the sas_ha struct:
214 */
215
216 sas_ha->sas_ha_name = DRV_NAME;
217 sas_ha->lldd_module = THIS_MODULE;
Dan Williams150fc6f2011-02-25 10:25:21 -0800218 sas_ha->sas_addr = &isci_host->phys[0].sas_addr[0];
Dan Williams6f231dd2011-07-02 22:56:22 -0700219
220 /* set the array of phy and port structs. */
221 for (i = 0; i < SCI_MAX_PHYS; i++) {
Dan Williamse5313812011-05-07 10:11:43 -0700222 sas_phys[i] = &isci_host->phys[i].sas_phy;
223 sas_ports[i] = &isci_host->ports[i].sas_port;
Dan Williams6f231dd2011-07-02 22:56:22 -0700224 }
225
226 sas_ha->sas_phy = sas_phys;
227 sas_ha->sas_port = sas_ports;
228 sas_ha->num_phys = SCI_MAX_PHYS;
229
230 sas_ha->lldd_queue_size = ISCI_CAN_QUEUE_VAL;
231 sas_ha->lldd_max_execute_num = 1;
232 sas_ha->strict_wide_ports = 1;
233
234 sas_register_ha(sas_ha);
235
236 return 0;
237}
238
Dan Williams34cad852011-03-10 00:01:43 -0800239static ssize_t isci_show_id(struct device *dev, struct device_attribute *attr, char *buf)
Dan Williams6f231dd2011-07-02 22:56:22 -0700240{
Dan Williams34cad852011-03-10 00:01:43 -0800241 struct Scsi_Host *shost = container_of(dev, typeof(*shost), shost_dev);
242 struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(shost);
243 struct isci_host *ihost = container_of(sas_ha, typeof(*ihost), sas_ha);
244
245 return snprintf(buf, PAGE_SIZE, "%d\n", ihost->id);
246}
247
248static DEVICE_ATTR(isci_id, S_IRUGO, isci_show_id, NULL);
249
250static void isci_unregister(struct isci_host *isci_host)
251{
252 struct Scsi_Host *shost;
253
Dan Williams6f231dd2011-07-02 22:56:22 -0700254 if (!isci_host)
255 return;
256
Dan Williams34cad852011-03-10 00:01:43 -0800257 shost = isci_host->shost;
258 device_remove_file(&shost->shost_dev, &dev_attr_isci_id);
259
260 sas_unregister_ha(&isci_host->sas_ha);
Dan Williams6f231dd2011-07-02 22:56:22 -0700261
262 sas_remove_host(isci_host->shost);
263 scsi_remove_host(isci_host->shost);
264 scsi_host_put(isci_host->shost);
265}
266
267static int __devinit isci_pci_init(struct pci_dev *pdev)
268{
Artur Wojcikcc3dbd02011-05-04 07:58:16 +0000269 int err, bar_num, bar_mask = 0;
Dan Williams6f231dd2011-07-02 22:56:22 -0700270 void __iomem * const *iomap;
271
272 err = pcim_enable_device(pdev);
273 if (err) {
274 dev_err(&pdev->dev,
275 "failed enable PCI device %s!\n",
276 pci_name(pdev));
277 return err;
278 }
279
280 for (bar_num = 0; bar_num < SCI_PCI_BAR_COUNT; bar_num++)
281 bar_mask |= 1 << (bar_num * 2);
282
283 err = pcim_iomap_regions(pdev, bar_mask, DRV_NAME);
284 if (err)
285 return err;
286
287 iomap = pcim_iomap_table(pdev);
288 if (!iomap)
289 return -ENOMEM;
290
291 pci_set_master(pdev);
292
293 err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
294 if (err) {
295 err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
296 if (err)
297 return err;
298 }
299
300 err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
301 if (err) {
302 err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
303 if (err)
304 return err;
305 }
306
307 return 0;
308}
309
Dan Williams6f231dd2011-07-02 22:56:22 -0700310static int num_controllers(struct pci_dev *pdev)
311{
312 /* bar size alone can tell us if we are running with a dual controller
313 * part, no need to trust revision ids that might be under broken firmware
314 * control
315 */
316 resource_size_t scu_bar_size = pci_resource_len(pdev, SCI_SCU_BAR*2);
317 resource_size_t smu_bar_size = pci_resource_len(pdev, SCI_SMU_BAR*2);
Dan Williamsf942f322011-03-26 16:30:06 -0700318
Dan Williams6f231dd2011-07-02 22:56:22 -0700319 if (scu_bar_size >= SCI_SCU_BAR_SIZE*SCI_MAX_CONTROLLERS &&
320 smu_bar_size >= SCI_SMU_BAR_SIZE*SCI_MAX_CONTROLLERS)
321 return SCI_MAX_CONTROLLERS;
322 else
323 return 1;
324}
325
326static int isci_setup_interrupts(struct pci_dev *pdev)
327{
328 int err, i, num_msix;
Dan Williams31e824e2011-04-19 12:32:51 -0700329 struct isci_host *ihost;
Dan Williams6f231dd2011-07-02 22:56:22 -0700330 struct isci_pci_info *pci_info = to_pci_info(pdev);
331
332 /*
333 * Determine the number of vectors associated with this
334 * PCI function.
335 */
336 num_msix = num_controllers(pdev) * SCI_NUM_MSI_X_INT;
337
338 for (i = 0; i < num_msix; i++)
339 pci_info->msix_entries[i].entry = i;
340
341 err = pci_enable_msix(pdev, pci_info->msix_entries, num_msix);
342 if (err)
343 goto intx;
344
345 for (i = 0; i < num_msix; i++) {
346 int id = i / SCI_NUM_MSI_X_INT;
347 struct msix_entry *msix = &pci_info->msix_entries[i];
Dan Williams92f4f0f2011-02-18 09:25:11 -0800348 irq_handler_t isr;
349
Dan Williams31e824e2011-04-19 12:32:51 -0700350 ihost = pci_info->hosts[id];
Dan Williams92f4f0f2011-02-18 09:25:11 -0800351 /* odd numbered vectors are error interrupts */
352 if (i & 1)
353 isr = isci_error_isr;
354 else
355 isr = isci_msix_isr;
Dan Williams6f231dd2011-07-02 22:56:22 -0700356
Dan Williams92f4f0f2011-02-18 09:25:11 -0800357 err = devm_request_irq(&pdev->dev, msix->vector, isr, 0,
Dan Williams31e824e2011-04-19 12:32:51 -0700358 DRV_NAME"-msix", ihost);
Dan Williams6f231dd2011-07-02 22:56:22 -0700359 if (!err)
360 continue;
361
362 dev_info(&pdev->dev, "msix setup failed falling back to intx\n");
363 while (i--) {
364 id = i / SCI_NUM_MSI_X_INT;
Dan Williams31e824e2011-04-19 12:32:51 -0700365 ihost = pci_info->hosts[id];
Dan Williams6f231dd2011-07-02 22:56:22 -0700366 msix = &pci_info->msix_entries[i];
Dan Williams31e824e2011-04-19 12:32:51 -0700367 devm_free_irq(&pdev->dev, msix->vector, ihost);
Dan Williams6f231dd2011-07-02 22:56:22 -0700368 }
369 pci_disable_msix(pdev);
370 goto intx;
371 }
Dan Williams6f231dd2011-07-02 22:56:22 -0700372 return 0;
373
374 intx:
Dan Williams31e824e2011-04-19 12:32:51 -0700375 for_each_isci_host(i, ihost, pdev) {
376 err = devm_request_irq(&pdev->dev, pdev->irq, isci_intx_isr,
377 IRQF_SHARED, DRV_NAME"-intx", ihost);
378 if (err)
379 break;
380 }
Dan Williams6f231dd2011-07-02 22:56:22 -0700381 return err;
382}
383
Dan Williams6f231dd2011-07-02 22:56:22 -0700384static struct isci_host *isci_host_alloc(struct pci_dev *pdev, int id)
385{
386 struct isci_host *isci_host;
387 struct Scsi_Host *shost;
388 int err;
389
Dan Williams57f20f42011-04-21 18:14:45 -0700390 isci_host = devm_kzalloc(&pdev->dev, sizeof(*isci_host), GFP_KERNEL);
Dan Williams6f231dd2011-07-02 22:56:22 -0700391 if (!isci_host)
392 return NULL;
393
394 isci_host->pdev = pdev;
395 isci_host->id = id;
396
397 shost = scsi_host_alloc(&isci_sht, sizeof(void *));
398 if (!shost)
399 return NULL;
400 isci_host->shost = shost;
401
402 err = isci_host_init(isci_host);
403 if (err)
404 goto err_shost;
405
406 SHOST_TO_SAS_HA(shost) = &isci_host->sas_ha;
407 isci_host->sas_ha.core.shost = shost;
408 shost->transportt = isci_transport_template;
409
410 shost->max_id = ~0;
411 shost->max_lun = ~0;
412 shost->max_cmd_len = MAX_COMMAND_SIZE;
413
414 err = scsi_add_host(shost, &pdev->dev);
415 if (err)
416 goto err_shost;
417
418 err = isci_register_sas_ha(isci_host);
419 if (err)
420 goto err_shost_remove;
421
Dan Williams34cad852011-03-10 00:01:43 -0800422 err = device_create_file(&shost->shost_dev, &dev_attr_isci_id);
423 if (err)
424 goto err_unregister_ha;
425
Dan Williams6f231dd2011-07-02 22:56:22 -0700426 return isci_host;
427
Dan Williams34cad852011-03-10 00:01:43 -0800428 err_unregister_ha:
429 sas_unregister_ha(&(isci_host->sas_ha));
Dan Williams6f231dd2011-07-02 22:56:22 -0700430 err_shost_remove:
431 scsi_remove_host(shost);
432 err_shost:
433 scsi_host_put(shost);
434
435 return NULL;
436}
437
438static void check_si_rev(struct pci_dev *pdev)
439{
Adam Gruchaladbb07432011-06-01 22:31:03 +0000440 switch (pdev->revision) {
441 case 0:
442 case 1:
443 /* if the id is ambiguous don't update isci_si_rev */
444 break;
445 case 3:
446 isci_si_rev = ISCI_SI_REVA2;
447 break;
448 case 4:
Dan Williams6f231dd2011-07-02 22:56:22 -0700449 isci_si_rev = ISCI_SI_REVB0;
Adam Gruchaladbb07432011-06-01 22:31:03 +0000450 break;
451 default:
452 case 5:
453 isci_si_rev = ISCI_SI_REVC0;
454 break;
Dan Williams6f231dd2011-07-02 22:56:22 -0700455 }
456
457 dev_info(&pdev->dev, "driver configured for %s silicon (rev: %d)\n",
458 isci_si_rev == ISCI_SI_REVA0 ? "A0" :
Adam Gruchaladbb07432011-06-01 22:31:03 +0000459 isci_si_rev == ISCI_SI_REVA2 ? "A2" :
460 isci_si_rev == ISCI_SI_REVB0 ? "B0" : "C0", pdev->revision);
Dan Williamsf942f322011-03-26 16:30:06 -0700461
Dan Williams6f231dd2011-07-02 22:56:22 -0700462}
463
464static int __devinit isci_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
465{
466 struct isci_pci_info *pci_info;
467 int err, i;
468 struct isci_host *isci_host;
Dave Jiang858d4aa2011-02-22 01:27:03 -0800469 const struct firmware *fw = NULL;
Dan Williamsd37ee7e2011-04-26 13:19:53 -0700470 struct isci_orom *orom = NULL;
Dan Williams4711ba12011-03-11 10:43:57 -0800471 char *source = "(platform)";
Dan Williams6f231dd2011-07-02 22:56:22 -0700472
473 check_si_rev(pdev);
474
475 pci_info = devm_kzalloc(&pdev->dev, sizeof(*pci_info), GFP_KERNEL);
476 if (!pci_info)
477 return -ENOMEM;
478 pci_set_drvdata(pdev, pci_info);
479
Dave Jiang8db37aa2011-02-23 00:02:24 -0800480 if (efi_enabled)
481 orom = isci_get_efi_var(pdev);
Dan Williamsd37ee7e2011-04-26 13:19:53 -0700482
483 if (!orom)
Dan Williamsd044af12011-03-08 09:52:49 -0800484 orom = isci_request_oprom(pdev);
485
Dan Williams2d70de52011-04-20 12:57:08 -0700486 for (i = 0; orom && i < ARRAY_SIZE(orom->ctrl); i++) {
487 if (scic_oem_parameters_validate(&orom->ctrl[i])) {
488 dev_warn(&pdev->dev,
489 "[%d]: invalid oem parameters detected, falling back to firmware\n", i);
490 devm_kfree(&pdev->dev, orom);
491 orom = NULL;
492 break;
493 }
494 }
495
Dan Williamsd044af12011-03-08 09:52:49 -0800496 if (!orom) {
Dan Williams4711ba12011-03-11 10:43:57 -0800497 source = "(firmware)";
Dan Williamsd044af12011-03-08 09:52:49 -0800498 orom = isci_request_firmware(pdev, fw);
499 if (!orom) {
500 /* TODO convert this to WARN_TAINT_ONCE once the
501 * orom/efi parameter support is widely available
502 */
503 dev_warn(&pdev->dev,
504 "Loading user firmware failed, using default "
505 "values\n");
506 dev_warn(&pdev->dev,
507 "Default OEM configuration being used: 4 "
508 "narrow ports, and default SAS Addresses\n");
Dave Jiang858d4aa2011-02-22 01:27:03 -0800509 }
Dave Jiang858d4aa2011-02-22 01:27:03 -0800510 }
511
Dan Williamsd044af12011-03-08 09:52:49 -0800512 if (orom)
Dan Williams3b67c1f2011-03-08 09:53:51 -0800513 dev_info(&pdev->dev,
Dan Williams4711ba12011-03-11 10:43:57 -0800514 "OEM SAS parameters (version: %u.%u) loaded %s\n",
Dan Williams3b67c1f2011-03-08 09:53:51 -0800515 (orom->hdr.version & 0xf0) >> 4,
Dan Williams4711ba12011-03-11 10:43:57 -0800516 (orom->hdr.version & 0xf), source);
Dan Williams3b67c1f2011-03-08 09:53:51 -0800517
Dan Williamsd044af12011-03-08 09:52:49 -0800518 pci_info->orom = orom;
519
Dan Williams6f231dd2011-07-02 22:56:22 -0700520 err = isci_pci_init(pdev);
521 if (err)
522 return err;
523
524 for (i = 0; i < num_controllers(pdev); i++) {
525 struct isci_host *h = isci_host_alloc(pdev, i);
526
527 if (!h) {
528 err = -ENOMEM;
529 goto err_host_alloc;
530 }
Dan Williamsb329aff2011-03-07 16:02:25 -0800531 pci_info->hosts[i] = h;
Dan Williams6f231dd2011-07-02 22:56:22 -0700532 }
533
534 err = isci_setup_interrupts(pdev);
535 if (err)
536 goto err_host_alloc;
537
Dan Williamsb329aff2011-03-07 16:02:25 -0800538 for_each_isci_host(i, isci_host, pdev)
Dan Williams6f231dd2011-07-02 22:56:22 -0700539 scsi_scan_host(isci_host->shost);
540
541 return 0;
542
543 err_host_alloc:
Dan Williamsb329aff2011-03-07 16:02:25 -0800544 for_each_isci_host(i, isci_host, pdev)
Dan Williams34cad852011-03-10 00:01:43 -0800545 isci_unregister(isci_host);
Dan Williams6f231dd2011-07-02 22:56:22 -0700546 return err;
547}
548
549static void __devexit isci_pci_remove(struct pci_dev *pdev)
550{
Dan Williamsd9dcb4b2011-06-30 17:38:32 -0700551 struct isci_host *ihost;
Dan Williamsb329aff2011-03-07 16:02:25 -0800552 int i;
Dan Williams6f231dd2011-07-02 22:56:22 -0700553
Dan Williamsd9dcb4b2011-06-30 17:38:32 -0700554 for_each_isci_host(i, ihost, pdev) {
555 isci_unregister(ihost);
556 isci_host_deinit(ihost);
557 scic_controller_disable_interrupts(ihost);
Dan Williams6f231dd2011-07-02 22:56:22 -0700558 }
559}
560
Dan Williamsf942f322011-03-26 16:30:06 -0700561static struct pci_driver isci_pci_driver = {
562 .name = DRV_NAME,
563 .id_table = isci_id_table,
564 .probe = isci_pci_probe,
565 .remove = __devexit_p(isci_pci_remove),
566};
567
Dan Williams6f231dd2011-07-02 22:56:22 -0700568static __init int isci_init(void)
569{
Dan Williamsd9c37392011-03-03 17:59:32 -0800570 int err;
Dan Williams6f231dd2011-07-02 22:56:22 -0700571
572 pr_info("%s: Intel(R) C600 SAS Controller Driver\n", DRV_NAME);
573
Dan Williams6f231dd2011-07-02 22:56:22 -0700574 isci_transport_template = sas_domain_attach_transport(&isci_transport_ops);
575 if (!isci_transport_template)
Dan Williamsd9c37392011-03-03 17:59:32 -0800576 return -ENOMEM;
Dan Williams6f231dd2011-07-02 22:56:22 -0700577
578 err = pci_register_driver(&isci_pci_driver);
579 if (err)
Dan Williamsd9c37392011-03-03 17:59:32 -0800580 sas_release_transport(isci_transport_template);
Dan Williams6f231dd2011-07-02 22:56:22 -0700581
582 return err;
583}
584
585static __exit void isci_exit(void)
586{
587 pci_unregister_driver(&isci_pci_driver);
588 sas_release_transport(isci_transport_template);
Dan Williams6f231dd2011-07-02 22:56:22 -0700589}
590
591MODULE_LICENSE("Dual BSD/GPL");
592MODULE_FIRMWARE(ISCI_FW_NAME);
593module_init(isci_init);
594module_exit(isci_exit);