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0c33b27d CH |
1 | /* |
2 | * linux/drivers/message/fusion/mptsas.c | |
3 | * For use with LSI Logic PCI chip/adapter(s) | |
4 | * running LSI Logic Fusion MPT (Message Passing Technology) firmware. | |
5 | * | |
6 | * Copyright (c) 1999-2005 LSI Logic Corporation | |
7 | * (mailto:mpt_linux_developer@lsil.com) | |
9a28f49a | 8 | * Copyright (c) 2005-2006 Dell |
0c33b27d CH |
9 | */ |
10 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
11 | /* | |
12 | This program is free software; you can redistribute it and/or modify | |
13 | it under the terms of the GNU General Public License as published by | |
14 | the Free Software Foundation; version 2 of the License. | |
15 | ||
16 | This program is distributed in the hope that it will be useful, | |
17 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | GNU General Public License for more details. | |
20 | ||
21 | NO WARRANTY | |
22 | THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR | |
23 | CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT | |
24 | LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, | |
25 | MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is | |
26 | solely responsible for determining the appropriateness of using and | |
27 | distributing the Program and assumes all risks associated with its | |
28 | exercise of rights under this Agreement, including but not limited to | |
29 | the risks and costs of program errors, damage to or loss of data, | |
30 | programs or equipment, and unavailability or interruption of operations. | |
31 | ||
32 | DISCLAIMER OF LIABILITY | |
33 | NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY | |
34 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
35 | DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND | |
36 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR | |
37 | TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE | |
38 | USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED | |
39 | HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES | |
40 | ||
41 | You should have received a copy of the GNU General Public License | |
42 | along with this program; if not, write to the Free Software | |
43 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
44 | */ | |
45 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
46 | ||
47 | #include <linux/module.h> | |
48 | #include <linux/kernel.h> | |
49 | #include <linux/init.h> | |
50 | #include <linux/errno.h> | |
51 | #include <linux/sched.h> | |
52 | #include <linux/workqueue.h> | |
53 | ||
54 | #include <scsi/scsi_cmnd.h> | |
55 | #include <scsi/scsi_device.h> | |
56 | #include <scsi/scsi_host.h> | |
57 | #include <scsi/scsi_transport_sas.h> | |
58 | ||
59 | #include "mptbase.h" | |
60 | #include "mptscsih.h" | |
61 | ||
62 | ||
63 | #define my_NAME "Fusion MPT SAS Host driver" | |
64 | #define my_VERSION MPT_LINUX_VERSION_COMMON | |
65 | #define MYNAM "mptsas" | |
66 | ||
67 | MODULE_AUTHOR(MODULEAUTHOR); | |
68 | MODULE_DESCRIPTION(my_NAME); | |
69 | MODULE_LICENSE("GPL"); | |
70 | ||
71 | static int mpt_pq_filter; | |
72 | module_param(mpt_pq_filter, int, 0); | |
73 | MODULE_PARM_DESC(mpt_pq_filter, | |
74 | "Enable peripheral qualifier filter: enable=1 " | |
75 | "(default=0)"); | |
76 | ||
77 | static int mpt_pt_clear; | |
78 | module_param(mpt_pt_clear, int, 0); | |
79 | MODULE_PARM_DESC(mpt_pt_clear, | |
80 | "Clear persistency table: enable=1 " | |
81 | "(default=MPTSCSIH_PT_CLEAR=0)"); | |
82 | ||
83 | static int mptsasDoneCtx = -1; | |
84 | static int mptsasTaskCtx = -1; | |
85 | static int mptsasInternalCtx = -1; /* Used only for internal commands */ | |
da4fa655 | 86 | static int mptsasMgmtCtx = -1; |
0c33b27d CH |
87 | |
88 | ||
9a28f49a CH |
89 | enum mptsas_hotplug_action { |
90 | MPTSAS_ADD_DEVICE, | |
91 | MPTSAS_DEL_DEVICE, | |
92 | }; | |
93 | ||
94 | struct mptsas_hotplug_event { | |
95 | struct work_struct work; | |
96 | MPT_ADAPTER *ioc; | |
97 | enum mptsas_hotplug_action event_type; | |
98 | u64 sas_address; | |
99 | u32 channel; | |
100 | u32 id; | |
101 | u32 device_info; | |
102 | u16 handle; | |
103 | u16 parent_handle; | |
104 | u8 phy_id; | |
105 | }; | |
106 | ||
0c33b27d CH |
107 | /* |
108 | * SAS topology structures | |
109 | * | |
110 | * The MPT Fusion firmware interface spreads information about the | |
111 | * SAS topology over many manufacture pages, thus we need some data | |
112 | * structure to collect it and process it for the SAS transport class. | |
113 | */ | |
114 | ||
115 | struct mptsas_devinfo { | |
116 | u16 handle; /* unique id to address this device */ | |
117 | u8 phy_id; /* phy number of parent device */ | |
118 | u8 port_id; /* sas physical port this device | |
119 | is assoc'd with */ | |
9a28f49a CH |
120 | u8 id; /* logical target id of this device */ |
121 | u8 channel; /* logical bus number of this device */ | |
0c33b27d CH |
122 | u64 sas_address; /* WWN of this device, |
123 | SATA is assigned by HBA,expander */ | |
124 | u32 device_info; /* bitfield detailed info about this device */ | |
125 | }; | |
126 | ||
127 | struct mptsas_phyinfo { | |
128 | u8 phy_id; /* phy index */ | |
129 | u8 port_id; /* port number this phy is part of */ | |
130 | u8 negotiated_link_rate; /* nego'd link rate for this phy */ | |
131 | u8 hw_link_rate; /* hardware max/min phys link rate */ | |
132 | u8 programmed_link_rate; /* programmed max/min phy link rate */ | |
133 | struct mptsas_devinfo identify; /* point to phy device info */ | |
134 | struct mptsas_devinfo attached; /* point to attached device info */ | |
9a28f49a | 135 | struct sas_phy *phy; |
0c33b27d CH |
136 | struct sas_rphy *rphy; |
137 | }; | |
138 | ||
139 | struct mptsas_portinfo { | |
140 | struct list_head list; | |
141 | u16 handle; /* unique id to address this */ | |
142 | u8 num_phys; /* number of phys */ | |
143 | struct mptsas_phyinfo *phy_info; | |
144 | }; | |
145 | ||
b5141128 CH |
146 | |
147 | #ifdef SASDEBUG | |
148 | static void mptsas_print_phy_data(MPI_SAS_IO_UNIT0_PHY_DATA *phy_data) | |
149 | { | |
150 | printk("---- IO UNIT PAGE 0 ------------\n"); | |
151 | printk("Handle=0x%X\n", | |
152 | le16_to_cpu(phy_data->AttachedDeviceHandle)); | |
153 | printk("Controller Handle=0x%X\n", | |
154 | le16_to_cpu(phy_data->ControllerDevHandle)); | |
155 | printk("Port=0x%X\n", phy_data->Port); | |
156 | printk("Port Flags=0x%X\n", phy_data->PortFlags); | |
157 | printk("PHY Flags=0x%X\n", phy_data->PhyFlags); | |
158 | printk("Negotiated Link Rate=0x%X\n", phy_data->NegotiatedLinkRate); | |
159 | printk("Controller PHY Device Info=0x%X\n", | |
160 | le32_to_cpu(phy_data->ControllerPhyDeviceInfo)); | |
161 | printk("DiscoveryStatus=0x%X\n", | |
162 | le32_to_cpu(phy_data->DiscoveryStatus)); | |
163 | printk("\n"); | |
164 | } | |
165 | ||
166 | static void mptsas_print_phy_pg0(SasPhyPage0_t *pg0) | |
167 | { | |
168 | __le64 sas_address; | |
169 | ||
170 | memcpy(&sas_address, &pg0->SASAddress, sizeof(__le64)); | |
171 | ||
172 | printk("---- SAS PHY PAGE 0 ------------\n"); | |
173 | printk("Attached Device Handle=0x%X\n", | |
174 | le16_to_cpu(pg0->AttachedDevHandle)); | |
175 | printk("SAS Address=0x%llX\n", | |
176 | (unsigned long long)le64_to_cpu(sas_address)); | |
177 | printk("Attached PHY Identifier=0x%X\n", pg0->AttachedPhyIdentifier); | |
178 | printk("Attached Device Info=0x%X\n", | |
179 | le32_to_cpu(pg0->AttachedDeviceInfo)); | |
180 | printk("Programmed Link Rate=0x%X\n", pg0->ProgrammedLinkRate); | |
181 | printk("Change Count=0x%X\n", pg0->ChangeCount); | |
182 | printk("PHY Info=0x%X\n", le32_to_cpu(pg0->PhyInfo)); | |
183 | printk("\n"); | |
184 | } | |
185 | ||
186 | static void mptsas_print_phy_pg1(SasPhyPage1_t *pg1) | |
187 | { | |
188 | printk("---- SAS PHY PAGE 1 ------------\n"); | |
f9a2d2e0 CH |
189 | printk("Invalid Dword Count=0x%x\n", pg1->InvalidDwordCount); |
190 | printk("Running Disparity Error Count=0x%x\n", | |
b5141128 | 191 | pg1->RunningDisparityErrorCount); |
f9a2d2e0 CH |
192 | printk("Loss Dword Synch Count=0x%x\n", pg1->LossDwordSynchCount); |
193 | printk("PHY Reset Problem Count=0x%x\n", pg1->PhyResetProblemCount); | |
194 | printk("\n"); | |
b5141128 CH |
195 | } |
196 | ||
197 | static void mptsas_print_device_pg0(SasDevicePage0_t *pg0) | |
198 | { | |
199 | __le64 sas_address; | |
200 | ||
201 | memcpy(&sas_address, &pg0->SASAddress, sizeof(__le64)); | |
202 | ||
203 | printk("---- SAS DEVICE PAGE 0 ---------\n"); | |
204 | printk("Handle=0x%X\n" ,le16_to_cpu(pg0->DevHandle)); | |
205 | printk("Enclosure Handle=0x%X\n", le16_to_cpu(pg0->EnclosureHandle)); | |
206 | printk("Slot=0x%X\n", le16_to_cpu(pg0->Slot)); | |
207 | printk("SAS Address=0x%llX\n", le64_to_cpu(sas_address)); | |
208 | printk("Target ID=0x%X\n", pg0->TargetID); | |
209 | printk("Bus=0x%X\n", pg0->Bus); | |
f9a2d2e0 CH |
210 | /* The PhyNum field specifies the PHY number of the parent |
211 | * device this device is linked to | |
212 | */ | |
213 | printk("Parent Phy Num=0x%X\n", pg0->PhyNum); | |
214 | printk("Access Status=0x%X\n", le16_to_cpu(pg0->AccessStatus)); | |
b5141128 CH |
215 | printk("Device Info=0x%X\n", le32_to_cpu(pg0->DeviceInfo)); |
216 | printk("Flags=0x%X\n", le16_to_cpu(pg0->Flags)); | |
217 | printk("Physical Port=0x%X\n", pg0->PhysicalPort); | |
218 | printk("\n"); | |
219 | } | |
220 | ||
221 | static void mptsas_print_expander_pg1(SasExpanderPage1_t *pg1) | |
222 | { | |
223 | printk("---- SAS EXPANDER PAGE 1 ------------\n"); | |
224 | ||
225 | printk("Physical Port=0x%X\n", pg1->PhysicalPort); | |
f9a2d2e0 | 226 | printk("PHY Identifier=0x%X\n", pg1->PhyIdentifier); |
b5141128 CH |
227 | printk("Negotiated Link Rate=0x%X\n", pg1->NegotiatedLinkRate); |
228 | printk("Programmed Link Rate=0x%X\n", pg1->ProgrammedLinkRate); | |
229 | printk("Hardware Link Rate=0x%X\n", pg1->HwLinkRate); | |
230 | printk("Owner Device Handle=0x%X\n", | |
231 | le16_to_cpu(pg1->OwnerDevHandle)); | |
232 | printk("Attached Device Handle=0x%X\n", | |
233 | le16_to_cpu(pg1->AttachedDevHandle)); | |
234 | } | |
235 | #else | |
236 | #define mptsas_print_phy_data(phy_data) do { } while (0) | |
237 | #define mptsas_print_phy_pg0(pg0) do { } while (0) | |
238 | #define mptsas_print_phy_pg1(pg1) do { } while (0) | |
239 | #define mptsas_print_device_pg0(pg0) do { } while (0) | |
240 | #define mptsas_print_expander_pg1(pg1) do { } while (0) | |
241 | #endif | |
242 | ||
243 | ||
0c33b27d CH |
244 | /* |
245 | * This is pretty ugly. We will be able to seriously clean it up | |
246 | * once the DV code in mptscsih goes away and we can properly | |
247 | * implement ->target_alloc. | |
248 | */ | |
249 | static int | |
c7c82987 | 250 | mptsas_slave_alloc(struct scsi_device *sdev) |
0c33b27d | 251 | { |
c7c82987 | 252 | struct Scsi_Host *host = sdev->host; |
0c33b27d CH |
253 | MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata; |
254 | struct sas_rphy *rphy; | |
255 | struct mptsas_portinfo *p; | |
c7c82987 | 256 | VirtTarget *vtarget; |
0c33b27d | 257 | VirtDevice *vdev; |
c7c82987 | 258 | struct scsi_target *starget; |
0c33b27d CH |
259 | int i; |
260 | ||
0c33b27d CH |
261 | vdev = kmalloc(sizeof(VirtDevice), GFP_KERNEL); |
262 | if (!vdev) { | |
263 | printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n", | |
264 | hd->ioc->name, sizeof(VirtDevice)); | |
265 | return -ENOMEM; | |
266 | } | |
0c33b27d | 267 | memset(vdev, 0, sizeof(VirtDevice)); |
0c33b27d | 268 | vdev->ioc_id = hd->ioc->id; |
c7c82987 MED |
269 | sdev->hostdata = vdev; |
270 | starget = scsi_target(sdev); | |
271 | vtarget = starget->hostdata; | |
272 | vdev->vtarget = vtarget; | |
273 | if (vtarget->num_luns == 0) { | |
274 | vtarget->tflags = MPT_TARGET_FLAGS_Q_YES|MPT_TARGET_FLAGS_VALID_INQUIRY; | |
275 | hd->Targets[sdev->id] = vtarget; | |
276 | } | |
0c33b27d | 277 | |
c7c82987 | 278 | rphy = dev_to_rphy(sdev->sdev_target->dev.parent); |
9a28f49a | 279 | mutex_lock(&hd->ioc->sas_topology_mutex); |
0c33b27d CH |
280 | list_for_each_entry(p, &hd->ioc->sas_topology, list) { |
281 | for (i = 0; i < p->num_phys; i++) { | |
282 | if (p->phy_info[i].attached.sas_address == | |
283 | rphy->identify.sas_address) { | |
284 | vdev->target_id = | |
9a28f49a CH |
285 | p->phy_info[i].attached.id; |
286 | vdev->bus_id = p->phy_info[i].attached.channel; | |
c7c82987 | 287 | vdev->lun = sdev->lun; |
0c33b27d CH |
288 | goto out; |
289 | } | |
290 | } | |
291 | } | |
9a28f49a | 292 | mutex_unlock(&hd->ioc->sas_topology_mutex); |
0c33b27d CH |
293 | |
294 | printk("No matching SAS device found!!\n"); | |
295 | kfree(vdev); | |
296 | return -ENODEV; | |
297 | ||
298 | out: | |
9a28f49a | 299 | mutex_unlock(&hd->ioc->sas_topology_mutex); |
c7c82987 MED |
300 | vtarget->ioc_id = vdev->ioc_id; |
301 | vtarget->target_id = vdev->target_id; | |
302 | vtarget->bus_id = vdev->bus_id; | |
303 | vtarget->num_luns++; | |
0c33b27d CH |
304 | return 0; |
305 | } | |
306 | ||
9a28f49a CH |
307 | static void |
308 | mptsas_slave_destroy(struct scsi_device *sdev) | |
309 | { | |
310 | struct Scsi_Host *host = sdev->host; | |
311 | MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata; | |
312 | struct sas_rphy *rphy; | |
313 | struct mptsas_portinfo *p; | |
314 | int i; | |
315 | ||
316 | /* | |
317 | * Handle hotplug removal case. | |
318 | * We need to clear out attached data structure. | |
319 | */ | |
320 | rphy = dev_to_rphy(sdev->sdev_target->dev.parent); | |
321 | ||
322 | mutex_lock(&hd->ioc->sas_topology_mutex); | |
323 | list_for_each_entry(p, &hd->ioc->sas_topology, list) { | |
324 | for (i = 0; i < p->num_phys; i++) { | |
325 | if (p->phy_info[i].attached.sas_address == | |
326 | rphy->identify.sas_address) { | |
327 | memset(&p->phy_info[i].attached, 0, | |
328 | sizeof(struct mptsas_devinfo)); | |
329 | p->phy_info[i].rphy = NULL; | |
330 | goto out; | |
331 | } | |
332 | } | |
333 | } | |
334 | ||
335 | out: | |
336 | mutex_unlock(&hd->ioc->sas_topology_mutex); | |
337 | /* | |
338 | * TODO: Issue target reset to flush firmware outstanding commands. | |
339 | */ | |
340 | mptscsih_slave_destroy(sdev); | |
341 | } | |
342 | ||
0c33b27d | 343 | static struct scsi_host_template mptsas_driver_template = { |
f78496da | 344 | .module = THIS_MODULE, |
0c33b27d CH |
345 | .proc_name = "mptsas", |
346 | .proc_info = mptscsih_proc_info, | |
347 | .name = "MPT SPI Host", | |
348 | .info = mptscsih_info, | |
349 | .queuecommand = mptscsih_qcmd, | |
c7c82987 | 350 | .target_alloc = mptscsih_target_alloc, |
0c33b27d CH |
351 | .slave_alloc = mptsas_slave_alloc, |
352 | .slave_configure = mptscsih_slave_configure, | |
c7c82987 | 353 | .target_destroy = mptscsih_target_destroy, |
9a28f49a | 354 | .slave_destroy = mptsas_slave_destroy, |
0c33b27d CH |
355 | .change_queue_depth = mptscsih_change_queue_depth, |
356 | .eh_abort_handler = mptscsih_abort, | |
357 | .eh_device_reset_handler = mptscsih_dev_reset, | |
358 | .eh_bus_reset_handler = mptscsih_bus_reset, | |
359 | .eh_host_reset_handler = mptscsih_host_reset, | |
360 | .bios_param = mptscsih_bios_param, | |
361 | .can_queue = MPT_FC_CAN_QUEUE, | |
362 | .this_id = -1, | |
363 | .sg_tablesize = MPT_SCSI_SG_DEPTH, | |
364 | .max_sectors = 8192, | |
365 | .cmd_per_lun = 7, | |
366 | .use_clustering = ENABLE_CLUSTERING, | |
367 | }; | |
368 | ||
b5141128 | 369 | static inline MPT_ADAPTER *phy_to_ioc(struct sas_phy *phy) |
0c33b27d | 370 | { |
b5141128 CH |
371 | struct Scsi_Host *shost = dev_to_shost(phy->dev.parent); |
372 | return ((MPT_SCSI_HOST *)shost->hostdata)->ioc; | |
0c33b27d CH |
373 | } |
374 | ||
b5141128 | 375 | static int mptsas_get_linkerrors(struct sas_phy *phy) |
0c33b27d | 376 | { |
b5141128 CH |
377 | MPT_ADAPTER *ioc = phy_to_ioc(phy); |
378 | ConfigExtendedPageHeader_t hdr; | |
379 | CONFIGPARMS cfg; | |
380 | SasPhyPage1_t *buffer; | |
381 | dma_addr_t dma_handle; | |
382 | int error; | |
0c33b27d | 383 | |
b5141128 CH |
384 | hdr.PageVersion = MPI_SASPHY1_PAGEVERSION; |
385 | hdr.ExtPageLength = 0; | |
386 | hdr.PageNumber = 1 /* page number 1*/; | |
387 | hdr.Reserved1 = 0; | |
388 | hdr.Reserved2 = 0; | |
389 | hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; | |
390 | hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_PHY; | |
0c33b27d | 391 | |
b5141128 CH |
392 | cfg.cfghdr.ehdr = &hdr; |
393 | cfg.physAddr = -1; | |
394 | cfg.pageAddr = phy->identify.phy_identifier; | |
395 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; | |
396 | cfg.dir = 0; /* read */ | |
397 | cfg.timeout = 10; | |
0c33b27d | 398 | |
b5141128 CH |
399 | error = mpt_config(ioc, &cfg); |
400 | if (error) | |
401 | return error; | |
402 | if (!hdr.ExtPageLength) | |
403 | return -ENXIO; | |
0c33b27d | 404 | |
b5141128 CH |
405 | buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4, |
406 | &dma_handle); | |
407 | if (!buffer) | |
408 | return -ENOMEM; | |
0c33b27d | 409 | |
b5141128 CH |
410 | cfg.physAddr = dma_handle; |
411 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; | |
412 | ||
413 | error = mpt_config(ioc, &cfg); | |
414 | if (error) | |
415 | goto out_free_consistent; | |
416 | ||
417 | mptsas_print_phy_pg1(buffer); | |
418 | ||
419 | phy->invalid_dword_count = le32_to_cpu(buffer->InvalidDwordCount); | |
420 | phy->running_disparity_error_count = | |
421 | le32_to_cpu(buffer->RunningDisparityErrorCount); | |
422 | phy->loss_of_dword_sync_count = | |
423 | le32_to_cpu(buffer->LossDwordSynchCount); | |
424 | phy->phy_reset_problem_count = | |
425 | le32_to_cpu(buffer->PhyResetProblemCount); | |
426 | ||
427 | out_free_consistent: | |
428 | pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4, | |
429 | buffer, dma_handle); | |
430 | return error; | |
0c33b27d CH |
431 | } |
432 | ||
da4fa655 CH |
433 | static int mptsas_mgmt_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, |
434 | MPT_FRAME_HDR *reply) | |
435 | { | |
436 | ioc->sas_mgmt.status |= MPT_SAS_MGMT_STATUS_COMMAND_GOOD; | |
437 | if (reply != NULL) { | |
438 | ioc->sas_mgmt.status |= MPT_SAS_MGMT_STATUS_RF_VALID; | |
439 | memcpy(ioc->sas_mgmt.reply, reply, | |
440 | min(ioc->reply_sz, 4 * reply->u.reply.MsgLength)); | |
441 | } | |
442 | complete(&ioc->sas_mgmt.done); | |
443 | return 1; | |
444 | } | |
445 | ||
446 | static int mptsas_phy_reset(struct sas_phy *phy, int hard_reset) | |
447 | { | |
448 | MPT_ADAPTER *ioc = phy_to_ioc(phy); | |
449 | SasIoUnitControlRequest_t *req; | |
450 | SasIoUnitControlReply_t *reply; | |
451 | MPT_FRAME_HDR *mf; | |
452 | MPIHeader_t *hdr; | |
453 | unsigned long timeleft; | |
454 | int error = -ERESTARTSYS; | |
455 | ||
456 | /* not implemented for expanders */ | |
457 | if (phy->identify.target_port_protocols & SAS_PROTOCOL_SMP) | |
458 | return -ENXIO; | |
459 | ||
eeb846ce | 460 | if (mutex_lock_interruptible(&ioc->sas_mgmt.mutex)) |
da4fa655 CH |
461 | goto out; |
462 | ||
463 | mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc); | |
464 | if (!mf) { | |
465 | error = -ENOMEM; | |
466 | goto out_unlock; | |
467 | } | |
468 | ||
469 | hdr = (MPIHeader_t *) mf; | |
470 | req = (SasIoUnitControlRequest_t *)mf; | |
471 | memset(req, 0, sizeof(SasIoUnitControlRequest_t)); | |
472 | req->Function = MPI_FUNCTION_SAS_IO_UNIT_CONTROL; | |
473 | req->MsgContext = hdr->MsgContext; | |
474 | req->Operation = hard_reset ? | |
475 | MPI_SAS_OP_PHY_HARD_RESET : MPI_SAS_OP_PHY_LINK_RESET; | |
476 | req->PhyNum = phy->identify.phy_identifier; | |
477 | ||
478 | mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf); | |
479 | ||
480 | timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done, | |
481 | 10 * HZ); | |
482 | if (!timeleft) { | |
483 | /* On timeout reset the board */ | |
484 | mpt_free_msg_frame(ioc, mf); | |
485 | mpt_HardResetHandler(ioc, CAN_SLEEP); | |
486 | error = -ETIMEDOUT; | |
487 | goto out_unlock; | |
488 | } | |
489 | ||
490 | /* a reply frame is expected */ | |
491 | if ((ioc->sas_mgmt.status & | |
492 | MPT_IOCTL_STATUS_RF_VALID) == 0) { | |
493 | error = -ENXIO; | |
494 | goto out_unlock; | |
495 | } | |
496 | ||
497 | /* process the completed Reply Message Frame */ | |
498 | reply = (SasIoUnitControlReply_t *)ioc->sas_mgmt.reply; | |
499 | if (reply->IOCStatus != MPI_IOCSTATUS_SUCCESS) { | |
500 | printk("%s: IOCStatus=0x%X IOCLogInfo=0x%X\n", | |
501 | __FUNCTION__, | |
502 | reply->IOCStatus, | |
503 | reply->IOCLogInfo); | |
504 | error = -ENXIO; | |
505 | goto out_unlock; | |
506 | } | |
507 | ||
508 | error = 0; | |
509 | ||
510 | out_unlock: | |
eeb846ce | 511 | mutex_unlock(&ioc->sas_mgmt.mutex); |
da4fa655 CH |
512 | out: |
513 | return error; | |
514 | } | |
0c33b27d | 515 | |
b5141128 CH |
516 | static struct sas_function_template mptsas_transport_functions = { |
517 | .get_linkerrors = mptsas_get_linkerrors, | |
da4fa655 | 518 | .phy_reset = mptsas_phy_reset, |
b5141128 CH |
519 | }; |
520 | ||
521 | static struct scsi_transport_template *mptsas_transport_template; | |
0c33b27d CH |
522 | |
523 | static int | |
524 | mptsas_sas_io_unit_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info) | |
525 | { | |
526 | ConfigExtendedPageHeader_t hdr; | |
527 | CONFIGPARMS cfg; | |
528 | SasIOUnitPage0_t *buffer; | |
529 | dma_addr_t dma_handle; | |
530 | int error, i; | |
531 | ||
532 | hdr.PageVersion = MPI_SASIOUNITPAGE0_PAGEVERSION; | |
533 | hdr.ExtPageLength = 0; | |
534 | hdr.PageNumber = 0; | |
535 | hdr.Reserved1 = 0; | |
536 | hdr.Reserved2 = 0; | |
537 | hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; | |
538 | hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT; | |
539 | ||
540 | cfg.cfghdr.ehdr = &hdr; | |
541 | cfg.physAddr = -1; | |
542 | cfg.pageAddr = 0; | |
543 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; | |
544 | cfg.dir = 0; /* read */ | |
545 | cfg.timeout = 10; | |
546 | ||
547 | error = mpt_config(ioc, &cfg); | |
548 | if (error) | |
549 | goto out; | |
550 | if (!hdr.ExtPageLength) { | |
551 | error = -ENXIO; | |
552 | goto out; | |
553 | } | |
554 | ||
555 | buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4, | |
556 | &dma_handle); | |
557 | if (!buffer) { | |
558 | error = -ENOMEM; | |
559 | goto out; | |
560 | } | |
561 | ||
562 | cfg.physAddr = dma_handle; | |
563 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; | |
564 | ||
565 | error = mpt_config(ioc, &cfg); | |
566 | if (error) | |
567 | goto out_free_consistent; | |
568 | ||
569 | port_info->num_phys = buffer->NumPhys; | |
570 | port_info->phy_info = kcalloc(port_info->num_phys, | |
571 | sizeof(struct mptsas_phyinfo),GFP_KERNEL); | |
572 | if (!port_info->phy_info) { | |
573 | error = -ENOMEM; | |
574 | goto out_free_consistent; | |
575 | } | |
576 | ||
577 | for (i = 0; i < port_info->num_phys; i++) { | |
578 | mptsas_print_phy_data(&buffer->PhyData[i]); | |
579 | port_info->phy_info[i].phy_id = i; | |
580 | port_info->phy_info[i].port_id = | |
581 | buffer->PhyData[i].Port; | |
582 | port_info->phy_info[i].negotiated_link_rate = | |
583 | buffer->PhyData[i].NegotiatedLinkRate; | |
584 | } | |
585 | ||
586 | out_free_consistent: | |
587 | pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4, | |
588 | buffer, dma_handle); | |
589 | out: | |
590 | return error; | |
591 | } | |
592 | ||
593 | static int | |
594 | mptsas_sas_phy_pg0(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, | |
595 | u32 form, u32 form_specific) | |
596 | { | |
597 | ConfigExtendedPageHeader_t hdr; | |
598 | CONFIGPARMS cfg; | |
599 | SasPhyPage0_t *buffer; | |
600 | dma_addr_t dma_handle; | |
601 | int error; | |
602 | ||
603 | hdr.PageVersion = MPI_SASPHY0_PAGEVERSION; | |
604 | hdr.ExtPageLength = 0; | |
605 | hdr.PageNumber = 0; | |
606 | hdr.Reserved1 = 0; | |
607 | hdr.Reserved2 = 0; | |
608 | hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; | |
609 | hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_PHY; | |
610 | ||
611 | cfg.cfghdr.ehdr = &hdr; | |
612 | cfg.dir = 0; /* read */ | |
613 | cfg.timeout = 10; | |
614 | ||
615 | /* Get Phy Pg 0 for each Phy. */ | |
616 | cfg.physAddr = -1; | |
617 | cfg.pageAddr = form + form_specific; | |
618 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; | |
619 | ||
620 | error = mpt_config(ioc, &cfg); | |
621 | if (error) | |
622 | goto out; | |
623 | ||
624 | if (!hdr.ExtPageLength) { | |
625 | error = -ENXIO; | |
626 | goto out; | |
627 | } | |
628 | ||
629 | buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4, | |
630 | &dma_handle); | |
631 | if (!buffer) { | |
632 | error = -ENOMEM; | |
633 | goto out; | |
634 | } | |
635 | ||
636 | cfg.physAddr = dma_handle; | |
637 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; | |
638 | ||
639 | error = mpt_config(ioc, &cfg); | |
640 | if (error) | |
641 | goto out_free_consistent; | |
642 | ||
643 | mptsas_print_phy_pg0(buffer); | |
644 | ||
645 | phy_info->hw_link_rate = buffer->HwLinkRate; | |
646 | phy_info->programmed_link_rate = buffer->ProgrammedLinkRate; | |
647 | phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle); | |
648 | phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle); | |
649 | ||
650 | out_free_consistent: | |
651 | pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4, | |
652 | buffer, dma_handle); | |
653 | out: | |
654 | return error; | |
655 | } | |
656 | ||
657 | static int | |
658 | mptsas_sas_device_pg0(MPT_ADAPTER *ioc, struct mptsas_devinfo *device_info, | |
659 | u32 form, u32 form_specific) | |
660 | { | |
661 | ConfigExtendedPageHeader_t hdr; | |
662 | CONFIGPARMS cfg; | |
663 | SasDevicePage0_t *buffer; | |
664 | dma_addr_t dma_handle; | |
665 | __le64 sas_address; | |
666 | int error; | |
667 | ||
668 | hdr.PageVersion = MPI_SASDEVICE0_PAGEVERSION; | |
669 | hdr.ExtPageLength = 0; | |
670 | hdr.PageNumber = 0; | |
671 | hdr.Reserved1 = 0; | |
672 | hdr.Reserved2 = 0; | |
673 | hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; | |
674 | hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE; | |
675 | ||
676 | cfg.cfghdr.ehdr = &hdr; | |
677 | cfg.pageAddr = form + form_specific; | |
678 | cfg.physAddr = -1; | |
679 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; | |
680 | cfg.dir = 0; /* read */ | |
681 | cfg.timeout = 10; | |
682 | ||
683 | error = mpt_config(ioc, &cfg); | |
684 | if (error) | |
685 | goto out; | |
686 | if (!hdr.ExtPageLength) { | |
687 | error = -ENXIO; | |
688 | goto out; | |
689 | } | |
690 | ||
691 | buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4, | |
692 | &dma_handle); | |
693 | if (!buffer) { | |
694 | error = -ENOMEM; | |
695 | goto out; | |
696 | } | |
697 | ||
698 | cfg.physAddr = dma_handle; | |
699 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; | |
700 | ||
701 | error = mpt_config(ioc, &cfg); | |
702 | if (error) | |
703 | goto out_free_consistent; | |
704 | ||
705 | mptsas_print_device_pg0(buffer); | |
706 | ||
707 | device_info->handle = le16_to_cpu(buffer->DevHandle); | |
708 | device_info->phy_id = buffer->PhyNum; | |
709 | device_info->port_id = buffer->PhysicalPort; | |
9a28f49a CH |
710 | device_info->id = buffer->TargetID; |
711 | device_info->channel = buffer->Bus; | |
0c33b27d CH |
712 | memcpy(&sas_address, &buffer->SASAddress, sizeof(__le64)); |
713 | device_info->sas_address = le64_to_cpu(sas_address); | |
714 | device_info->device_info = | |
715 | le32_to_cpu(buffer->DeviceInfo); | |
716 | ||
717 | out_free_consistent: | |
718 | pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4, | |
719 | buffer, dma_handle); | |
720 | out: | |
721 | return error; | |
722 | } | |
723 | ||
724 | static int | |
725 | mptsas_sas_expander_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info, | |
726 | u32 form, u32 form_specific) | |
727 | { | |
728 | ConfigExtendedPageHeader_t hdr; | |
729 | CONFIGPARMS cfg; | |
730 | SasExpanderPage0_t *buffer; | |
731 | dma_addr_t dma_handle; | |
732 | int error; | |
733 | ||
734 | hdr.PageVersion = MPI_SASEXPANDER0_PAGEVERSION; | |
735 | hdr.ExtPageLength = 0; | |
736 | hdr.PageNumber = 0; | |
737 | hdr.Reserved1 = 0; | |
738 | hdr.Reserved2 = 0; | |
739 | hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; | |
740 | hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER; | |
741 | ||
742 | cfg.cfghdr.ehdr = &hdr; | |
743 | cfg.physAddr = -1; | |
744 | cfg.pageAddr = form + form_specific; | |
745 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; | |
746 | cfg.dir = 0; /* read */ | |
747 | cfg.timeout = 10; | |
748 | ||
749 | error = mpt_config(ioc, &cfg); | |
750 | if (error) | |
751 | goto out; | |
752 | ||
753 | if (!hdr.ExtPageLength) { | |
754 | error = -ENXIO; | |
755 | goto out; | |
756 | } | |
757 | ||
758 | buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4, | |
759 | &dma_handle); | |
760 | if (!buffer) { | |
761 | error = -ENOMEM; | |
762 | goto out; | |
763 | } | |
764 | ||
765 | cfg.physAddr = dma_handle; | |
766 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; | |
767 | ||
768 | error = mpt_config(ioc, &cfg); | |
769 | if (error) | |
770 | goto out_free_consistent; | |
771 | ||
772 | /* save config data */ | |
773 | port_info->num_phys = buffer->NumPhys; | |
774 | port_info->handle = le16_to_cpu(buffer->DevHandle); | |
775 | port_info->phy_info = kcalloc(port_info->num_phys, | |
776 | sizeof(struct mptsas_phyinfo),GFP_KERNEL); | |
777 | if (!port_info->phy_info) { | |
778 | error = -ENOMEM; | |
779 | goto out_free_consistent; | |
780 | } | |
781 | ||
782 | out_free_consistent: | |
783 | pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4, | |
784 | buffer, dma_handle); | |
785 | out: | |
786 | return error; | |
787 | } | |
788 | ||
789 | static int | |
790 | mptsas_sas_expander_pg1(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, | |
791 | u32 form, u32 form_specific) | |
792 | { | |
793 | ConfigExtendedPageHeader_t hdr; | |
794 | CONFIGPARMS cfg; | |
795 | SasExpanderPage1_t *buffer; | |
796 | dma_addr_t dma_handle; | |
797 | int error; | |
798 | ||
799 | hdr.PageVersion = MPI_SASEXPANDER0_PAGEVERSION; | |
800 | hdr.ExtPageLength = 0; | |
801 | hdr.PageNumber = 1; | |
802 | hdr.Reserved1 = 0; | |
803 | hdr.Reserved2 = 0; | |
804 | hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; | |
805 | hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER; | |
806 | ||
807 | cfg.cfghdr.ehdr = &hdr; | |
808 | cfg.physAddr = -1; | |
809 | cfg.pageAddr = form + form_specific; | |
810 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; | |
811 | cfg.dir = 0; /* read */ | |
812 | cfg.timeout = 10; | |
813 | ||
814 | error = mpt_config(ioc, &cfg); | |
815 | if (error) | |
816 | goto out; | |
817 | ||
818 | if (!hdr.ExtPageLength) { | |
819 | error = -ENXIO; | |
820 | goto out; | |
821 | } | |
822 | ||
823 | buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4, | |
824 | &dma_handle); | |
825 | if (!buffer) { | |
826 | error = -ENOMEM; | |
827 | goto out; | |
828 | } | |
829 | ||
830 | cfg.physAddr = dma_handle; | |
831 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; | |
832 | ||
833 | error = mpt_config(ioc, &cfg); | |
834 | if (error) | |
835 | goto out_free_consistent; | |
836 | ||
837 | ||
838 | mptsas_print_expander_pg1(buffer); | |
839 | ||
840 | /* save config data */ | |
024358ee | 841 | phy_info->phy_id = buffer->PhyIdentifier; |
0c33b27d CH |
842 | phy_info->port_id = buffer->PhysicalPort; |
843 | phy_info->negotiated_link_rate = buffer->NegotiatedLinkRate; | |
844 | phy_info->programmed_link_rate = buffer->ProgrammedLinkRate; | |
845 | phy_info->hw_link_rate = buffer->HwLinkRate; | |
846 | phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle); | |
847 | phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle); | |
848 | ||
849 | ||
850 | out_free_consistent: | |
851 | pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4, | |
852 | buffer, dma_handle); | |
853 | out: | |
854 | return error; | |
855 | } | |
856 | ||
857 | static void | |
858 | mptsas_parse_device_info(struct sas_identify *identify, | |
859 | struct mptsas_devinfo *device_info) | |
860 | { | |
861 | u16 protocols; | |
862 | ||
863 | identify->sas_address = device_info->sas_address; | |
864 | identify->phy_identifier = device_info->phy_id; | |
865 | ||
866 | /* | |
867 | * Fill in Phy Initiator Port Protocol. | |
868 | * Bits 6:3, more than one bit can be set, fall through cases. | |
869 | */ | |
870 | protocols = device_info->device_info & 0x78; | |
871 | identify->initiator_port_protocols = 0; | |
872 | if (protocols & MPI_SAS_DEVICE_INFO_SSP_INITIATOR) | |
873 | identify->initiator_port_protocols |= SAS_PROTOCOL_SSP; | |
874 | if (protocols & MPI_SAS_DEVICE_INFO_STP_INITIATOR) | |
875 | identify->initiator_port_protocols |= SAS_PROTOCOL_STP; | |
876 | if (protocols & MPI_SAS_DEVICE_INFO_SMP_INITIATOR) | |
877 | identify->initiator_port_protocols |= SAS_PROTOCOL_SMP; | |
878 | if (protocols & MPI_SAS_DEVICE_INFO_SATA_HOST) | |
879 | identify->initiator_port_protocols |= SAS_PROTOCOL_SATA; | |
880 | ||
881 | /* | |
882 | * Fill in Phy Target Port Protocol. | |
883 | * Bits 10:7, more than one bit can be set, fall through cases. | |
884 | */ | |
885 | protocols = device_info->device_info & 0x780; | |
886 | identify->target_port_protocols = 0; | |
887 | if (protocols & MPI_SAS_DEVICE_INFO_SSP_TARGET) | |
888 | identify->target_port_protocols |= SAS_PROTOCOL_SSP; | |
889 | if (protocols & MPI_SAS_DEVICE_INFO_STP_TARGET) | |
890 | identify->target_port_protocols |= SAS_PROTOCOL_STP; | |
891 | if (protocols & MPI_SAS_DEVICE_INFO_SMP_TARGET) | |
892 | identify->target_port_protocols |= SAS_PROTOCOL_SMP; | |
893 | if (protocols & MPI_SAS_DEVICE_INFO_SATA_DEVICE) | |
894 | identify->target_port_protocols |= SAS_PROTOCOL_SATA; | |
895 | ||
896 | /* | |
897 | * Fill in Attached device type. | |
898 | */ | |
899 | switch (device_info->device_info & | |
900 | MPI_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) { | |
901 | case MPI_SAS_DEVICE_INFO_NO_DEVICE: | |
902 | identify->device_type = SAS_PHY_UNUSED; | |
903 | break; | |
904 | case MPI_SAS_DEVICE_INFO_END_DEVICE: | |
905 | identify->device_type = SAS_END_DEVICE; | |
906 | break; | |
907 | case MPI_SAS_DEVICE_INFO_EDGE_EXPANDER: | |
908 | identify->device_type = SAS_EDGE_EXPANDER_DEVICE; | |
909 | break; | |
910 | case MPI_SAS_DEVICE_INFO_FANOUT_EXPANDER: | |
911 | identify->device_type = SAS_FANOUT_EXPANDER_DEVICE; | |
912 | break; | |
913 | } | |
914 | } | |
915 | ||
916 | static int mptsas_probe_one_phy(struct device *dev, | |
ac01bbbd | 917 | struct mptsas_phyinfo *phy_info, int index, int local) |
0c33b27d | 918 | { |
9a28f49a | 919 | struct sas_phy *phy; |
0c33b27d CH |
920 | int error; |
921 | ||
9a28f49a CH |
922 | phy = sas_phy_alloc(dev, index); |
923 | if (!phy) | |
0c33b27d CH |
924 | return -ENOMEM; |
925 | ||
9a28f49a CH |
926 | phy->port_identifier = phy_info->port_id; |
927 | mptsas_parse_device_info(&phy->identify, &phy_info->identify); | |
0c33b27d CH |
928 | |
929 | /* | |
930 | * Set Negotiated link rate. | |
931 | */ | |
932 | switch (phy_info->negotiated_link_rate) { | |
933 | case MPI_SAS_IOUNIT0_RATE_PHY_DISABLED: | |
9a28f49a | 934 | phy->negotiated_linkrate = SAS_PHY_DISABLED; |
0c33b27d CH |
935 | break; |
936 | case MPI_SAS_IOUNIT0_RATE_FAILED_SPEED_NEGOTIATION: | |
9a28f49a | 937 | phy->negotiated_linkrate = SAS_LINK_RATE_FAILED; |
0c33b27d CH |
938 | break; |
939 | case MPI_SAS_IOUNIT0_RATE_1_5: | |
9a28f49a | 940 | phy->negotiated_linkrate = SAS_LINK_RATE_1_5_GBPS; |
0c33b27d CH |
941 | break; |
942 | case MPI_SAS_IOUNIT0_RATE_3_0: | |
9a28f49a | 943 | phy->negotiated_linkrate = SAS_LINK_RATE_3_0_GBPS; |
0c33b27d CH |
944 | break; |
945 | case MPI_SAS_IOUNIT0_RATE_SATA_OOB_COMPLETE: | |
946 | case MPI_SAS_IOUNIT0_RATE_UNKNOWN: | |
947 | default: | |
9a28f49a | 948 | phy->negotiated_linkrate = SAS_LINK_RATE_UNKNOWN; |
0c33b27d CH |
949 | break; |
950 | } | |
951 | ||
952 | /* | |
953 | * Set Max hardware link rate. | |
954 | */ | |
955 | switch (phy_info->hw_link_rate & MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) { | |
956 | case MPI_SAS_PHY0_HWRATE_MAX_RATE_1_5: | |
9a28f49a | 957 | phy->maximum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS; |
0c33b27d CH |
958 | break; |
959 | case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0: | |
9a28f49a | 960 | phy->maximum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS; |
0c33b27d CH |
961 | break; |
962 | default: | |
963 | break; | |
964 | } | |
965 | ||
966 | /* | |
967 | * Set Max programmed link rate. | |
968 | */ | |
969 | switch (phy_info->programmed_link_rate & | |
970 | MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) { | |
971 | case MPI_SAS_PHY0_PRATE_MAX_RATE_1_5: | |
9a28f49a | 972 | phy->maximum_linkrate = SAS_LINK_RATE_1_5_GBPS; |
0c33b27d CH |
973 | break; |
974 | case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0: | |
9a28f49a | 975 | phy->maximum_linkrate = SAS_LINK_RATE_3_0_GBPS; |
0c33b27d CH |
976 | break; |
977 | default: | |
978 | break; | |
979 | } | |
980 | ||
981 | /* | |
982 | * Set Min hardware link rate. | |
983 | */ | |
984 | switch (phy_info->hw_link_rate & MPI_SAS_PHY0_HWRATE_MIN_RATE_MASK) { | |
985 | case MPI_SAS_PHY0_HWRATE_MIN_RATE_1_5: | |
9a28f49a | 986 | phy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS; |
0c33b27d CH |
987 | break; |
988 | case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0: | |
9a28f49a | 989 | phy->minimum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS; |
0c33b27d CH |
990 | break; |
991 | default: | |
992 | break; | |
993 | } | |
994 | ||
995 | /* | |
996 | * Set Min programmed link rate. | |
997 | */ | |
998 | switch (phy_info->programmed_link_rate & | |
999 | MPI_SAS_PHY0_PRATE_MIN_RATE_MASK) { | |
1000 | case MPI_SAS_PHY0_PRATE_MIN_RATE_1_5: | |
9a28f49a | 1001 | phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS; |
0c33b27d CH |
1002 | break; |
1003 | case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0: | |
9a28f49a | 1004 | phy->minimum_linkrate = SAS_LINK_RATE_3_0_GBPS; |
0c33b27d CH |
1005 | break; |
1006 | default: | |
1007 | break; | |
1008 | } | |
1009 | ||
ac01bbbd | 1010 | if (local) |
9a28f49a | 1011 | phy->local_attached = 1; |
ac01bbbd | 1012 | |
9a28f49a | 1013 | error = sas_phy_add(phy); |
0c33b27d | 1014 | if (error) { |
9a28f49a | 1015 | sas_phy_free(phy); |
0c33b27d CH |
1016 | return error; |
1017 | } | |
9a28f49a | 1018 | phy_info->phy = phy; |
0c33b27d CH |
1019 | |
1020 | if (phy_info->attached.handle) { | |
1021 | struct sas_rphy *rphy; | |
1022 | ||
9a28f49a | 1023 | rphy = sas_rphy_alloc(phy); |
0c33b27d CH |
1024 | if (!rphy) |
1025 | return 0; /* non-fatal: an rphy can be added later */ | |
1026 | ||
1027 | mptsas_parse_device_info(&rphy->identify, &phy_info->attached); | |
1028 | error = sas_rphy_add(rphy); | |
1029 | if (error) { | |
1030 | sas_rphy_free(rphy); | |
1031 | return error; | |
1032 | } | |
1033 | ||
1034 | phy_info->rphy = rphy; | |
1035 | } | |
1036 | ||
1037 | return 0; | |
1038 | } | |
1039 | ||
1040 | static int | |
1041 | mptsas_probe_hba_phys(MPT_ADAPTER *ioc, int *index) | |
1042 | { | |
1043 | struct mptsas_portinfo *port_info; | |
1044 | u32 handle = 0xFFFF; | |
1045 | int error = -ENOMEM, i; | |
1046 | ||
1047 | port_info = kmalloc(sizeof(*port_info), GFP_KERNEL); | |
1048 | if (!port_info) | |
1049 | goto out; | |
1050 | memset(port_info, 0, sizeof(*port_info)); | |
1051 | ||
1052 | error = mptsas_sas_io_unit_pg0(ioc, port_info); | |
1053 | if (error) | |
1054 | goto out_free_port_info; | |
1055 | ||
9a28f49a | 1056 | mutex_lock(&ioc->sas_topology_mutex); |
0c33b27d | 1057 | list_add_tail(&port_info->list, &ioc->sas_topology); |
9a28f49a CH |
1058 | mutex_unlock(&ioc->sas_topology_mutex); |
1059 | ||
0c33b27d CH |
1060 | for (i = 0; i < port_info->num_phys; i++) { |
1061 | mptsas_sas_phy_pg0(ioc, &port_info->phy_info[i], | |
1062 | (MPI_SAS_PHY_PGAD_FORM_PHY_NUMBER << | |
1063 | MPI_SAS_PHY_PGAD_FORM_SHIFT), i); | |
1064 | ||
1065 | mptsas_sas_device_pg0(ioc, &port_info->phy_info[i].identify, | |
1066 | (MPI_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE << | |
1067 | MPI_SAS_DEVICE_PGAD_FORM_SHIFT), handle); | |
024358ee EM |
1068 | port_info->phy_info[i].identify.phy_id = |
1069 | port_info->phy_info[i].phy_id; | |
0c33b27d CH |
1070 | handle = port_info->phy_info[i].identify.handle; |
1071 | ||
1072 | if (port_info->phy_info[i].attached.handle) { | |
1073 | mptsas_sas_device_pg0(ioc, | |
1074 | &port_info->phy_info[i].attached, | |
1075 | (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << | |
1076 | MPI_SAS_DEVICE_PGAD_FORM_SHIFT), | |
1077 | port_info->phy_info[i].attached.handle); | |
1078 | } | |
1079 | ||
1080 | mptsas_probe_one_phy(&ioc->sh->shost_gendev, | |
ac01bbbd | 1081 | &port_info->phy_info[i], *index, 1); |
0c33b27d CH |
1082 | (*index)++; |
1083 | } | |
1084 | ||
1085 | return 0; | |
1086 | ||
1087 | out_free_port_info: | |
1088 | kfree(port_info); | |
1089 | out: | |
1090 | return error; | |
1091 | } | |
1092 | ||
1093 | static int | |
1094 | mptsas_probe_expander_phys(MPT_ADAPTER *ioc, u32 *handle, int *index) | |
1095 | { | |
1096 | struct mptsas_portinfo *port_info, *p; | |
1097 | int error = -ENOMEM, i, j; | |
1098 | ||
1099 | port_info = kmalloc(sizeof(*port_info), GFP_KERNEL); | |
1100 | if (!port_info) | |
1101 | goto out; | |
1102 | memset(port_info, 0, sizeof(*port_info)); | |
1103 | ||
1104 | error = mptsas_sas_expander_pg0(ioc, port_info, | |
1105 | (MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE << | |
1106 | MPI_SAS_EXPAND_PGAD_FORM_SHIFT), *handle); | |
1107 | if (error) | |
1108 | goto out_free_port_info; | |
1109 | ||
1110 | *handle = port_info->handle; | |
1111 | ||
9a28f49a | 1112 | mutex_lock(&ioc->sas_topology_mutex); |
0c33b27d | 1113 | list_add_tail(&port_info->list, &ioc->sas_topology); |
9a28f49a CH |
1114 | mutex_unlock(&ioc->sas_topology_mutex); |
1115 | ||
0c33b27d CH |
1116 | for (i = 0; i < port_info->num_phys; i++) { |
1117 | struct device *parent; | |
1118 | ||
1119 | mptsas_sas_expander_pg1(ioc, &port_info->phy_info[i], | |
1120 | (MPI_SAS_EXPAND_PGAD_FORM_HANDLE_PHY_NUM << | |
1121 | MPI_SAS_EXPAND_PGAD_FORM_SHIFT), (i << 16) + *handle); | |
1122 | ||
1123 | if (port_info->phy_info[i].identify.handle) { | |
1124 | mptsas_sas_device_pg0(ioc, | |
1125 | &port_info->phy_info[i].identify, | |
1126 | (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << | |
1127 | MPI_SAS_DEVICE_PGAD_FORM_SHIFT), | |
1128 | port_info->phy_info[i].identify.handle); | |
024358ee EM |
1129 | port_info->phy_info[i].identify.phy_id = |
1130 | port_info->phy_info[i].phy_id; | |
0c33b27d CH |
1131 | } |
1132 | ||
1133 | if (port_info->phy_info[i].attached.handle) { | |
1134 | mptsas_sas_device_pg0(ioc, | |
1135 | &port_info->phy_info[i].attached, | |
1136 | (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << | |
1137 | MPI_SAS_DEVICE_PGAD_FORM_SHIFT), | |
1138 | port_info->phy_info[i].attached.handle); | |
1139 | } | |
1140 | ||
1141 | /* | |
1142 | * If we find a parent port handle this expander is | |
1143 | * attached to another expander, else it hangs of the | |
1144 | * HBA phys. | |
1145 | */ | |
1146 | parent = &ioc->sh->shost_gendev; | |
9a28f49a | 1147 | mutex_lock(&ioc->sas_topology_mutex); |
0c33b27d CH |
1148 | list_for_each_entry(p, &ioc->sas_topology, list) { |
1149 | for (j = 0; j < p->num_phys; j++) { | |
1150 | if (port_info->phy_info[i].identify.handle == | |
1151 | p->phy_info[j].attached.handle) | |
1152 | parent = &p->phy_info[j].rphy->dev; | |
1153 | } | |
1154 | } | |
9a28f49a | 1155 | mutex_unlock(&ioc->sas_topology_mutex); |
0c33b27d | 1156 | |
ac01bbbd CH |
1157 | mptsas_probe_one_phy(parent, &port_info->phy_info[i], |
1158 | *index, 0); | |
0c33b27d CH |
1159 | (*index)++; |
1160 | } | |
1161 | ||
1162 | return 0; | |
1163 | ||
1164 | out_free_port_info: | |
1165 | kfree(port_info); | |
1166 | out: | |
1167 | return error; | |
1168 | } | |
1169 | ||
1170 | static void | |
1171 | mptsas_scan_sas_topology(MPT_ADAPTER *ioc) | |
1172 | { | |
1173 | u32 handle = 0xFFFF; | |
1174 | int index = 0; | |
1175 | ||
1176 | mptsas_probe_hba_phys(ioc, &index); | |
1177 | while (!mptsas_probe_expander_phys(ioc, &handle, &index)) | |
1178 | ; | |
1179 | } | |
1180 | ||
9a28f49a CH |
1181 | static struct mptsas_phyinfo * |
1182 | mptsas_find_phyinfo_by_parent(MPT_ADAPTER *ioc, u16 parent_handle, u8 phy_id) | |
1183 | { | |
1184 | struct mptsas_portinfo *port_info; | |
1185 | struct mptsas_devinfo device_info; | |
1186 | struct mptsas_phyinfo *phy_info = NULL; | |
1187 | int i, error; | |
1188 | ||
1189 | /* | |
1190 | * Retrieve the parent sas_address | |
1191 | */ | |
1192 | error = mptsas_sas_device_pg0(ioc, &device_info, | |
1193 | (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << | |
1194 | MPI_SAS_DEVICE_PGAD_FORM_SHIFT), | |
1195 | parent_handle); | |
1196 | if (error) { | |
1197 | printk("mptsas: failed to retrieve device page\n"); | |
1198 | return NULL; | |
1199 | } | |
1200 | ||
1201 | /* | |
1202 | * The phy_info structures are never deallocated during lifetime of | |
1203 | * a host, so the code below is safe without additional refcounting. | |
1204 | */ | |
1205 | mutex_lock(&ioc->sas_topology_mutex); | |
1206 | list_for_each_entry(port_info, &ioc->sas_topology, list) { | |
1207 | for (i = 0; i < port_info->num_phys; i++) { | |
1208 | if (port_info->phy_info[i].identify.sas_address == | |
1209 | device_info.sas_address && | |
1210 | port_info->phy_info[i].phy_id == phy_id) { | |
1211 | phy_info = &port_info->phy_info[i]; | |
1212 | break; | |
1213 | } | |
1214 | } | |
1215 | } | |
1216 | mutex_unlock(&ioc->sas_topology_mutex); | |
1217 | ||
1218 | return phy_info; | |
1219 | } | |
1220 | ||
1221 | static struct mptsas_phyinfo * | |
1222 | mptsas_find_phyinfo_by_handle(MPT_ADAPTER *ioc, u16 handle) | |
1223 | { | |
1224 | struct mptsas_portinfo *port_info; | |
1225 | struct mptsas_phyinfo *phy_info = NULL; | |
1226 | int i; | |
1227 | ||
1228 | /* | |
1229 | * The phy_info structures are never deallocated during lifetime of | |
1230 | * a host, so the code below is safe without additional refcounting. | |
1231 | */ | |
1232 | mutex_lock(&ioc->sas_topology_mutex); | |
1233 | list_for_each_entry(port_info, &ioc->sas_topology, list) { | |
1234 | for (i = 0; i < port_info->num_phys; i++) { | |
1235 | if (port_info->phy_info[i].attached.handle == handle) { | |
1236 | phy_info = &port_info->phy_info[i]; | |
1237 | break; | |
1238 | } | |
1239 | } | |
1240 | } | |
1241 | mutex_unlock(&ioc->sas_topology_mutex); | |
1242 | ||
1243 | return phy_info; | |
1244 | } | |
1245 | ||
1246 | static void | |
1247 | mptsas_hotplug_work(void *arg) | |
1248 | { | |
1249 | struct mptsas_hotplug_event *ev = arg; | |
1250 | MPT_ADAPTER *ioc = ev->ioc; | |
1251 | struct mptsas_phyinfo *phy_info; | |
1252 | struct sas_rphy *rphy; | |
1253 | char *ds = NULL; | |
1254 | ||
1255 | if (ev->device_info & MPI_SAS_DEVICE_INFO_SSP_TARGET) | |
1256 | ds = "ssp"; | |
1257 | if (ev->device_info & MPI_SAS_DEVICE_INFO_STP_TARGET) | |
1258 | ds = "stp"; | |
1259 | if (ev->device_info & MPI_SAS_DEVICE_INFO_SATA_DEVICE) | |
1260 | ds = "sata"; | |
1261 | ||
1262 | switch (ev->event_type) { | |
1263 | case MPTSAS_DEL_DEVICE: | |
1264 | printk(MYIOC_s_INFO_FMT | |
1265 | "removing %s device, channel %d, id %d, phy %d\n", | |
1266 | ioc->name, ds, ev->channel, ev->id, ev->phy_id); | |
1267 | ||
1268 | phy_info = mptsas_find_phyinfo_by_handle(ioc, ev->handle); | |
1269 | if (!phy_info) { | |
1270 | printk("mptsas: remove event for non-existant PHY.\n"); | |
1271 | break; | |
1272 | } | |
1273 | ||
1274 | if (phy_info->rphy) { | |
1275 | sas_rphy_delete(phy_info->rphy); | |
1276 | phy_info->rphy = NULL; | |
1277 | } | |
1278 | break; | |
1279 | case MPTSAS_ADD_DEVICE: | |
1280 | printk(MYIOC_s_INFO_FMT | |
1281 | "attaching %s device, channel %d, id %d, phy %d\n", | |
1282 | ioc->name, ds, ev->channel, ev->id, ev->phy_id); | |
1283 | ||
1284 | phy_info = mptsas_find_phyinfo_by_parent(ioc, | |
1285 | ev->parent_handle, ev->phy_id); | |
1286 | if (!phy_info) { | |
1287 | printk("mptsas: add event for non-existant PHY.\n"); | |
1288 | break; | |
1289 | } | |
1290 | ||
1291 | if (phy_info->rphy) { | |
1292 | printk("mptsas: trying to add existing device.\n"); | |
1293 | break; | |
1294 | } | |
1295 | ||
1296 | /* fill attached info */ | |
1297 | phy_info->attached.handle = ev->handle; | |
1298 | phy_info->attached.phy_id = ev->phy_id; | |
1299 | phy_info->attached.port_id = phy_info->identify.port_id; | |
1300 | phy_info->attached.id = ev->id; | |
1301 | phy_info->attached.channel = ev->channel; | |
1302 | phy_info->attached.sas_address = ev->sas_address; | |
1303 | phy_info->attached.device_info = ev->device_info; | |
1304 | ||
1305 | rphy = sas_rphy_alloc(phy_info->phy); | |
1306 | if (!rphy) | |
1307 | break; /* non-fatal: an rphy can be added later */ | |
1308 | ||
1309 | mptsas_parse_device_info(&rphy->identify, &phy_info->attached); | |
1310 | if (sas_rphy_add(rphy)) { | |
1311 | sas_rphy_free(rphy); | |
1312 | break; | |
1313 | } | |
1314 | ||
1315 | phy_info->rphy = rphy; | |
1316 | break; | |
1317 | } | |
1318 | ||
1319 | kfree(ev); | |
1320 | } | |
1321 | ||
1322 | static void | |
1323 | mptscsih_send_sas_event(MPT_ADAPTER *ioc, | |
1324 | EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data) | |
1325 | { | |
1326 | struct mptsas_hotplug_event *ev; | |
1327 | u32 device_info = le32_to_cpu(sas_event_data->DeviceInfo); | |
1328 | __le64 sas_address; | |
1329 | ||
1330 | if ((device_info & | |
1331 | (MPI_SAS_DEVICE_INFO_SSP_TARGET | | |
1332 | MPI_SAS_DEVICE_INFO_STP_TARGET | | |
1333 | MPI_SAS_DEVICE_INFO_SATA_DEVICE )) == 0) | |
1334 | return; | |
1335 | ||
1336 | if ((sas_event_data->ReasonCode & | |
1337 | (MPI_EVENT_SAS_DEV_STAT_RC_ADDED | | |
1338 | MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING)) == 0) | |
1339 | return; | |
1340 | ||
1341 | ev = kmalloc(sizeof(*ev), GFP_ATOMIC); | |
1342 | if (!ev) { | |
1343 | printk(KERN_WARNING "mptsas: lost hotplug event\n"); | |
1344 | return; | |
1345 | } | |
1346 | ||
1347 | ||
1348 | INIT_WORK(&ev->work, mptsas_hotplug_work, ev); | |
1349 | ev->ioc = ioc; | |
1350 | ev->handle = le16_to_cpu(sas_event_data->DevHandle); | |
1351 | ev->parent_handle = le16_to_cpu(sas_event_data->ParentDevHandle); | |
1352 | ev->channel = sas_event_data->Bus; | |
1353 | ev->id = sas_event_data->TargetID; | |
1354 | ev->phy_id = sas_event_data->PhyNum; | |
1355 | memcpy(&sas_address, &sas_event_data->SASAddress, sizeof(__le64)); | |
1356 | ev->sas_address = le64_to_cpu(sas_address); | |
1357 | ev->device_info = device_info; | |
1358 | ||
1359 | if (sas_event_data->ReasonCode & MPI_EVENT_SAS_DEV_STAT_RC_ADDED) | |
1360 | ev->event_type = MPTSAS_ADD_DEVICE; | |
1361 | else | |
1362 | ev->event_type = MPTSAS_DEL_DEVICE; | |
1363 | ||
1364 | schedule_work(&ev->work); | |
1365 | } | |
1366 | ||
1367 | static int | |
1368 | mptsas_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *reply) | |
1369 | { | |
1370 | u8 event = le32_to_cpu(reply->Event) & 0xFF; | |
1371 | ||
1372 | if (!ioc->sh) | |
1373 | return 1; | |
1374 | ||
1375 | switch (event) { | |
1376 | case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE: | |
1377 | mptscsih_send_sas_event(ioc, | |
1378 | (EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *)reply->Data); | |
1379 | return 1; /* currently means nothing really */ | |
1380 | ||
1381 | default: | |
1382 | return mptscsih_event_process(ioc, reply); | |
1383 | } | |
1384 | } | |
1385 | ||
0c33b27d CH |
1386 | static int |
1387 | mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id) | |
1388 | { | |
1389 | struct Scsi_Host *sh; | |
1390 | MPT_SCSI_HOST *hd; | |
1391 | MPT_ADAPTER *ioc; | |
1392 | unsigned long flags; | |
1393 | int sz, ii; | |
1394 | int numSGE = 0; | |
1395 | int scale; | |
1396 | int ioc_cap; | |
1397 | u8 *mem; | |
1398 | int error=0; | |
1399 | int r; | |
1400 | ||
1401 | r = mpt_attach(pdev,id); | |
1402 | if (r) | |
1403 | return r; | |
1404 | ||
1405 | ioc = pci_get_drvdata(pdev); | |
1406 | ioc->DoneCtx = mptsasDoneCtx; | |
1407 | ioc->TaskCtx = mptsasTaskCtx; | |
1408 | ioc->InternalCtx = mptsasInternalCtx; | |
1409 | ||
1410 | /* Added sanity check on readiness of the MPT adapter. | |
1411 | */ | |
1412 | if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) { | |
1413 | printk(MYIOC_s_WARN_FMT | |
1414 | "Skipping because it's not operational!\n", | |
1415 | ioc->name); | |
7acec1e7 MED |
1416 | error = -ENODEV; |
1417 | goto out_mptsas_probe; | |
0c33b27d CH |
1418 | } |
1419 | ||
1420 | if (!ioc->active) { | |
1421 | printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n", | |
1422 | ioc->name); | |
7acec1e7 MED |
1423 | error = -ENODEV; |
1424 | goto out_mptsas_probe; | |
0c33b27d CH |
1425 | } |
1426 | ||
1427 | /* Sanity check - ensure at least 1 port is INITIATOR capable | |
1428 | */ | |
1429 | ioc_cap = 0; | |
1430 | for (ii = 0; ii < ioc->facts.NumberOfPorts; ii++) { | |
1431 | if (ioc->pfacts[ii].ProtocolFlags & | |
1432 | MPI_PORTFACTS_PROTOCOL_INITIATOR) | |
1433 | ioc_cap++; | |
1434 | } | |
1435 | ||
1436 | if (!ioc_cap) { | |
1437 | printk(MYIOC_s_WARN_FMT | |
1438 | "Skipping ioc=%p because SCSI Initiator mode " | |
1439 | "is NOT enabled!\n", ioc->name, ioc); | |
466544d8 | 1440 | return 0; |
0c33b27d CH |
1441 | } |
1442 | ||
1443 | sh = scsi_host_alloc(&mptsas_driver_template, sizeof(MPT_SCSI_HOST)); | |
1444 | if (!sh) { | |
1445 | printk(MYIOC_s_WARN_FMT | |
1446 | "Unable to register controller with SCSI subsystem\n", | |
1447 | ioc->name); | |
7acec1e7 MED |
1448 | error = -1; |
1449 | goto out_mptsas_probe; | |
0c33b27d CH |
1450 | } |
1451 | ||
1452 | spin_lock_irqsave(&ioc->FreeQlock, flags); | |
1453 | ||
1454 | /* Attach the SCSI Host to the IOC structure | |
1455 | */ | |
1456 | ioc->sh = sh; | |
1457 | ||
1458 | sh->io_port = 0; | |
1459 | sh->n_io_port = 0; | |
1460 | sh->irq = 0; | |
1461 | ||
1462 | /* set 16 byte cdb's */ | |
1463 | sh->max_cmd_len = 16; | |
1464 | ||
1465 | sh->max_id = ioc->pfacts->MaxDevices + 1; | |
1466 | ||
1467 | sh->transportt = mptsas_transport_template; | |
1468 | ||
1469 | sh->max_lun = MPT_LAST_LUN + 1; | |
1470 | sh->max_channel = 0; | |
1471 | sh->this_id = ioc->pfacts[0].PortSCSIID; | |
1472 | ||
1473 | /* Required entry. | |
1474 | */ | |
1475 | sh->unique_id = ioc->id; | |
1476 | ||
1477 | INIT_LIST_HEAD(&ioc->sas_topology); | |
9a28f49a CH |
1478 | mutex_init(&ioc->sas_topology_mutex); |
1479 | ||
eeb846ce | 1480 | mutex_init(&ioc->sas_mgmt.mutex); |
da4fa655 | 1481 | init_completion(&ioc->sas_mgmt.done); |
0c33b27d CH |
1482 | |
1483 | /* Verify that we won't exceed the maximum | |
1484 | * number of chain buffers | |
1485 | * We can optimize: ZZ = req_sz/sizeof(SGE) | |
1486 | * For 32bit SGE's: | |
1487 | * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ | |
1488 | * + (req_sz - 64)/sizeof(SGE) | |
1489 | * A slightly different algorithm is required for | |
1490 | * 64bit SGEs. | |
1491 | */ | |
1492 | scale = ioc->req_sz/(sizeof(dma_addr_t) + sizeof(u32)); | |
1493 | if (sizeof(dma_addr_t) == sizeof(u64)) { | |
1494 | numSGE = (scale - 1) * | |
1495 | (ioc->facts.MaxChainDepth-1) + scale + | |
1496 | (ioc->req_sz - 60) / (sizeof(dma_addr_t) + | |
1497 | sizeof(u32)); | |
1498 | } else { | |
1499 | numSGE = 1 + (scale - 1) * | |
1500 | (ioc->facts.MaxChainDepth-1) + scale + | |
1501 | (ioc->req_sz - 64) / (sizeof(dma_addr_t) + | |
1502 | sizeof(u32)); | |
1503 | } | |
1504 | ||
1505 | if (numSGE < sh->sg_tablesize) { | |
1506 | /* Reset this value */ | |
1507 | dprintk((MYIOC_s_INFO_FMT | |
1508 | "Resetting sg_tablesize to %d from %d\n", | |
1509 | ioc->name, numSGE, sh->sg_tablesize)); | |
1510 | sh->sg_tablesize = numSGE; | |
1511 | } | |
1512 | ||
1513 | spin_unlock_irqrestore(&ioc->FreeQlock, flags); | |
1514 | ||
1515 | hd = (MPT_SCSI_HOST *) sh->hostdata; | |
1516 | hd->ioc = ioc; | |
1517 | ||
1518 | /* SCSI needs scsi_cmnd lookup table! | |
1519 | * (with size equal to req_depth*PtrSz!) | |
1520 | */ | |
1521 | sz = ioc->req_depth * sizeof(void *); | |
1522 | mem = kmalloc(sz, GFP_ATOMIC); | |
1523 | if (mem == NULL) { | |
1524 | error = -ENOMEM; | |
7acec1e7 | 1525 | goto out_mptsas_probe; |
0c33b27d CH |
1526 | } |
1527 | ||
1528 | memset(mem, 0, sz); | |
1529 | hd->ScsiLookup = (struct scsi_cmnd **) mem; | |
1530 | ||
1531 | dprintk((MYIOC_s_INFO_FMT "ScsiLookup @ %p, sz=%d\n", | |
1532 | ioc->name, hd->ScsiLookup, sz)); | |
1533 | ||
1534 | /* Allocate memory for the device structures. | |
1535 | * A non-Null pointer at an offset | |
1536 | * indicates a device exists. | |
1537 | * max_id = 1 + maximum id (hosts.h) | |
1538 | */ | |
1539 | sz = sh->max_id * sizeof(void *); | |
1540 | mem = kmalloc(sz, GFP_ATOMIC); | |
1541 | if (mem == NULL) { | |
1542 | error = -ENOMEM; | |
7acec1e7 | 1543 | goto out_mptsas_probe; |
0c33b27d CH |
1544 | } |
1545 | ||
1546 | memset(mem, 0, sz); | |
c7c82987 | 1547 | hd->Targets = (VirtTarget **) mem; |
0c33b27d CH |
1548 | |
1549 | dprintk((KERN_INFO | |
c7c82987 | 1550 | " vtarget @ %p, sz=%d\n", hd->Targets, sz)); |
0c33b27d CH |
1551 | |
1552 | /* Clear the TM flags | |
1553 | */ | |
1554 | hd->tmPending = 0; | |
1555 | hd->tmState = TM_STATE_NONE; | |
1556 | hd->resetPending = 0; | |
1557 | hd->abortSCpnt = NULL; | |
1558 | ||
1559 | /* Clear the pointer used to store | |
1560 | * single-threaded commands, i.e., those | |
1561 | * issued during a bus scan, dv and | |
1562 | * configuration pages. | |
1563 | */ | |
1564 | hd->cmdPtr = NULL; | |
1565 | ||
1566 | /* Initialize this SCSI Hosts' timers | |
1567 | * To use, set the timer expires field | |
1568 | * and add_timer | |
1569 | */ | |
1570 | init_timer(&hd->timer); | |
1571 | hd->timer.data = (unsigned long) hd; | |
1572 | hd->timer.function = mptscsih_timer_expired; | |
1573 | ||
1574 | hd->mpt_pq_filter = mpt_pq_filter; | |
1575 | ioc->sas_data.ptClear = mpt_pt_clear; | |
1576 | ||
1577 | if (ioc->sas_data.ptClear==1) { | |
1578 | mptbase_sas_persist_operation( | |
1579 | ioc, MPI_SAS_OP_CLEAR_ALL_PERSISTENT); | |
1580 | } | |
1581 | ||
1582 | ddvprintk((MYIOC_s_INFO_FMT | |
1583 | "mpt_pq_filter %x mpt_pq_filter %x\n", | |
1584 | ioc->name, | |
1585 | mpt_pq_filter, | |
1586 | mpt_pq_filter)); | |
1587 | ||
1588 | init_waitqueue_head(&hd->scandv_waitq); | |
1589 | hd->scandv_wait_done = 0; | |
1590 | hd->last_queue_full = 0; | |
1591 | ||
1592 | error = scsi_add_host(sh, &ioc->pcidev->dev); | |
1593 | if (error) { | |
1594 | dprintk((KERN_ERR MYNAM | |
1595 | "scsi_add_host failed\n")); | |
7acec1e7 | 1596 | goto out_mptsas_probe; |
0c33b27d CH |
1597 | } |
1598 | ||
1599 | mptsas_scan_sas_topology(ioc); | |
1600 | ||
1601 | return 0; | |
1602 | ||
7acec1e7 | 1603 | out_mptsas_probe: |
0c33b27d CH |
1604 | |
1605 | mptscsih_remove(pdev); | |
1606 | return error; | |
1607 | } | |
1608 | ||
1609 | static void __devexit mptsas_remove(struct pci_dev *pdev) | |
1610 | { | |
1611 | MPT_ADAPTER *ioc = pci_get_drvdata(pdev); | |
1612 | struct mptsas_portinfo *p, *n; | |
1613 | ||
1614 | sas_remove_host(ioc->sh); | |
1615 | ||
9a28f49a | 1616 | mutex_lock(&ioc->sas_topology_mutex); |
0c33b27d CH |
1617 | list_for_each_entry_safe(p, n, &ioc->sas_topology, list) { |
1618 | list_del(&p->list); | |
1619 | kfree(p); | |
1620 | } | |
9a28f49a | 1621 | mutex_unlock(&ioc->sas_topology_mutex); |
0c33b27d CH |
1622 | |
1623 | mptscsih_remove(pdev); | |
1624 | } | |
1625 | ||
1626 | static struct pci_device_id mptsas_pci_table[] = { | |
1627 | { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1064, | |
1628 | PCI_ANY_ID, PCI_ANY_ID }, | |
1629 | { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1066, | |
1630 | PCI_ANY_ID, PCI_ANY_ID }, | |
1631 | { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1068, | |
1632 | PCI_ANY_ID, PCI_ANY_ID }, | |
1633 | { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1064E, | |
1634 | PCI_ANY_ID, PCI_ANY_ID }, | |
1635 | { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1066E, | |
1636 | PCI_ANY_ID, PCI_ANY_ID }, | |
1637 | { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1068E, | |
1638 | PCI_ANY_ID, PCI_ANY_ID }, | |
1639 | {0} /* Terminating entry */ | |
1640 | }; | |
1641 | MODULE_DEVICE_TABLE(pci, mptsas_pci_table); | |
1642 | ||
1643 | ||
1644 | static struct pci_driver mptsas_driver = { | |
1645 | .name = "mptsas", | |
1646 | .id_table = mptsas_pci_table, | |
1647 | .probe = mptsas_probe, | |
1648 | .remove = __devexit_p(mptsas_remove), | |
1649 | .shutdown = mptscsih_shutdown, | |
1650 | #ifdef CONFIG_PM | |
1651 | .suspend = mptscsih_suspend, | |
1652 | .resume = mptscsih_resume, | |
1653 | #endif | |
1654 | }; | |
1655 | ||
1656 | static int __init | |
1657 | mptsas_init(void) | |
1658 | { | |
1659 | show_mptmod_ver(my_NAME, my_VERSION); | |
1660 | ||
1661 | mptsas_transport_template = | |
1662 | sas_attach_transport(&mptsas_transport_functions); | |
1663 | if (!mptsas_transport_template) | |
1664 | return -ENODEV; | |
1665 | ||
1666 | mptsasDoneCtx = mpt_register(mptscsih_io_done, MPTSAS_DRIVER); | |
1667 | mptsasTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTSAS_DRIVER); | |
1668 | mptsasInternalCtx = | |
1669 | mpt_register(mptscsih_scandv_complete, MPTSAS_DRIVER); | |
da4fa655 | 1670 | mptsasMgmtCtx = mpt_register(mptsas_mgmt_done, MPTSAS_DRIVER); |
0c33b27d | 1671 | |
9a28f49a | 1672 | if (mpt_event_register(mptsasDoneCtx, mptsas_event_process) == 0) { |
0c33b27d CH |
1673 | devtprintk((KERN_INFO MYNAM |
1674 | ": Registered for IOC event notifications\n")); | |
1675 | } | |
1676 | ||
1677 | if (mpt_reset_register(mptsasDoneCtx, mptscsih_ioc_reset) == 0) { | |
1678 | dprintk((KERN_INFO MYNAM | |
1679 | ": Registered for IOC reset notifications\n")); | |
1680 | } | |
1681 | ||
1682 | return pci_register_driver(&mptsas_driver); | |
1683 | } | |
1684 | ||
1685 | static void __exit | |
1686 | mptsas_exit(void) | |
1687 | { | |
1688 | pci_unregister_driver(&mptsas_driver); | |
1689 | sas_release_transport(mptsas_transport_template); | |
1690 | ||
1691 | mpt_reset_deregister(mptsasDoneCtx); | |
1692 | mpt_event_deregister(mptsasDoneCtx); | |
1693 | ||
da4fa655 | 1694 | mpt_deregister(mptsasMgmtCtx); |
0c33b27d CH |
1695 | mpt_deregister(mptsasInternalCtx); |
1696 | mpt_deregister(mptsasTaskCtx); | |
1697 | mpt_deregister(mptsasDoneCtx); | |
1698 | } | |
1699 | ||
1700 | module_init(mptsas_init); | |
1701 | module_exit(mptsas_exit); |