Commit | Line | Data |
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635374e7 EM |
1 | /* |
2 | * SAS Transport Layer for MPT (Message Passing Technology) based controllers | |
3 | * | |
4 | * This code is based on drivers/scsi/mpt2sas/mpt2_transport.c | |
31b7f2e2 | 5 | * Copyright (C) 2007-2010 LSI Corporation |
635374e7 EM |
6 | * (mailto:DL-MPTFusionLinux@lsi.com) |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License | |
10 | * as published by the Free Software Foundation; either version 2 | |
11 | * of the License, or (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * NO WARRANTY | |
19 | * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR | |
20 | * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT | |
21 | * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, | |
22 | * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is | |
23 | * solely responsible for determining the appropriateness of using and | |
24 | * distributing the Program and assumes all risks associated with its | |
25 | * exercise of rights under this Agreement, including but not limited to | |
26 | * the risks and costs of program errors, damage to or loss of data, | |
27 | * programs or equipment, and unavailability or interruption of operations. | |
28 | ||
29 | * DISCLAIMER OF LIABILITY | |
30 | * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY | |
31 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
32 | * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND | |
33 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR | |
34 | * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE | |
35 | * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED | |
36 | * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES | |
37 | ||
38 | * You should have received a copy of the GNU General Public License | |
39 | * along with this program; if not, write to the Free Software | |
40 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, | |
41 | * USA. | |
42 | */ | |
43 | ||
44 | #include <linux/module.h> | |
45 | #include <linux/kernel.h> | |
46 | #include <linux/init.h> | |
47 | #include <linux/errno.h> | |
48 | #include <linux/sched.h> | |
49 | #include <linux/workqueue.h> | |
50 | #include <linux/delay.h> | |
51 | #include <linux/pci.h> | |
5a0e3ad6 | 52 | #include <linux/slab.h> |
635374e7 EM |
53 | |
54 | #include <scsi/scsi.h> | |
55 | #include <scsi/scsi_cmnd.h> | |
56 | #include <scsi/scsi_device.h> | |
57 | #include <scsi/scsi_host.h> | |
58 | #include <scsi/scsi_transport_sas.h> | |
59 | #include <scsi/scsi_dbg.h> | |
60 | ||
61 | #include "mpt2sas_base.h" | |
62 | /** | |
c5e039be | 63 | * _transport_sas_node_find_by_sas_address - sas node search |
635374e7 | 64 | * @ioc: per adapter object |
c5e039be | 65 | * @sas_address: sas address of expander or sas host |
635374e7 EM |
66 | * Context: Calling function should acquire ioc->sas_node_lock. |
67 | * | |
68 | * Search for either hba phys or expander device based on handle, then returns | |
69 | * the sas_node object. | |
70 | */ | |
71 | static struct _sas_node * | |
c5e039be KD |
72 | _transport_sas_node_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc, |
73 | u64 sas_address) | |
635374e7 | 74 | { |
c5e039be KD |
75 | if (ioc->sas_hba.sas_address == sas_address) |
76 | return &ioc->sas_hba; | |
77 | else | |
78 | return mpt2sas_scsih_expander_find_by_sas_address(ioc, | |
79 | sas_address); | |
635374e7 EM |
80 | } |
81 | ||
82 | /** | |
83 | * _transport_convert_phy_link_rate - | |
84 | * @link_rate: link rate returned from mpt firmware | |
85 | * | |
86 | * Convert link_rate from mpi fusion into sas_transport form. | |
87 | */ | |
88 | static enum sas_linkrate | |
89 | _transport_convert_phy_link_rate(u8 link_rate) | |
90 | { | |
91 | enum sas_linkrate rc; | |
92 | ||
93 | switch (link_rate) { | |
94 | case MPI2_SAS_NEG_LINK_RATE_1_5: | |
95 | rc = SAS_LINK_RATE_1_5_GBPS; | |
96 | break; | |
97 | case MPI2_SAS_NEG_LINK_RATE_3_0: | |
98 | rc = SAS_LINK_RATE_3_0_GBPS; | |
99 | break; | |
100 | case MPI2_SAS_NEG_LINK_RATE_6_0: | |
101 | rc = SAS_LINK_RATE_6_0_GBPS; | |
102 | break; | |
103 | case MPI2_SAS_NEG_LINK_RATE_PHY_DISABLED: | |
104 | rc = SAS_PHY_DISABLED; | |
105 | break; | |
106 | case MPI2_SAS_NEG_LINK_RATE_NEGOTIATION_FAILED: | |
107 | rc = SAS_LINK_RATE_FAILED; | |
108 | break; | |
109 | case MPI2_SAS_NEG_LINK_RATE_PORT_SELECTOR: | |
110 | rc = SAS_SATA_PORT_SELECTOR; | |
111 | break; | |
112 | case MPI2_SAS_NEG_LINK_RATE_SMP_RESET_IN_PROGRESS: | |
113 | rc = SAS_PHY_RESET_IN_PROGRESS; | |
114 | break; | |
115 | default: | |
116 | case MPI2_SAS_NEG_LINK_RATE_SATA_OOB_COMPLETE: | |
117 | case MPI2_SAS_NEG_LINK_RATE_UNKNOWN_LINK_RATE: | |
118 | rc = SAS_LINK_RATE_UNKNOWN; | |
119 | break; | |
120 | } | |
121 | return rc; | |
122 | } | |
123 | ||
124 | /** | |
125 | * _transport_set_identify - set identify for phys and end devices | |
126 | * @ioc: per adapter object | |
127 | * @handle: device handle | |
128 | * @identify: sas identify info | |
129 | * | |
130 | * Populates sas identify info. | |
131 | * | |
132 | * Returns 0 for success, non-zero for failure. | |
133 | */ | |
134 | static int | |
135 | _transport_set_identify(struct MPT2SAS_ADAPTER *ioc, u16 handle, | |
136 | struct sas_identify *identify) | |
137 | { | |
138 | Mpi2SasDevicePage0_t sas_device_pg0; | |
139 | Mpi2ConfigReply_t mpi_reply; | |
140 | u32 device_info; | |
141 | u32 ioc_status; | |
142 | ||
3cb5469a | 143 | if (ioc->shost_recovery || ioc->pci_error_recovery) { |
155dd4c7 KD |
144 | printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", |
145 | __func__, ioc->name); | |
146 | return -EFAULT; | |
147 | } | |
148 | ||
635374e7 EM |
149 | if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, |
150 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { | |
151 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
155dd4c7 | 152 | |
635374e7 | 153 | ioc->name, __FILE__, __LINE__, __func__); |
155dd4c7 | 154 | return -ENXIO; |
635374e7 EM |
155 | } |
156 | ||
157 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
158 | MPI2_IOCSTATUS_MASK; | |
159 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
160 | printk(MPT2SAS_ERR_FMT "handle(0x%04x), ioc_status(0x%04x)" | |
161 | "\nfailure at %s:%d/%s()!\n", ioc->name, handle, ioc_status, | |
162 | __FILE__, __LINE__, __func__); | |
155dd4c7 | 163 | return -EIO; |
635374e7 EM |
164 | } |
165 | ||
166 | memset(identify, 0, sizeof(identify)); | |
167 | device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); | |
168 | ||
169 | /* sas_address */ | |
170 | identify->sas_address = le64_to_cpu(sas_device_pg0.SASAddress); | |
171 | ||
172 | /* device_type */ | |
173 | switch (device_info & MPI2_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) { | |
174 | case MPI2_SAS_DEVICE_INFO_NO_DEVICE: | |
175 | identify->device_type = SAS_PHY_UNUSED; | |
176 | break; | |
177 | case MPI2_SAS_DEVICE_INFO_END_DEVICE: | |
178 | identify->device_type = SAS_END_DEVICE; | |
179 | break; | |
180 | case MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER: | |
181 | identify->device_type = SAS_EDGE_EXPANDER_DEVICE; | |
182 | break; | |
183 | case MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER: | |
184 | identify->device_type = SAS_FANOUT_EXPANDER_DEVICE; | |
185 | break; | |
186 | } | |
187 | ||
188 | /* initiator_port_protocols */ | |
189 | if (device_info & MPI2_SAS_DEVICE_INFO_SSP_INITIATOR) | |
190 | identify->initiator_port_protocols |= SAS_PROTOCOL_SSP; | |
191 | if (device_info & MPI2_SAS_DEVICE_INFO_STP_INITIATOR) | |
192 | identify->initiator_port_protocols |= SAS_PROTOCOL_STP; | |
193 | if (device_info & MPI2_SAS_DEVICE_INFO_SMP_INITIATOR) | |
194 | identify->initiator_port_protocols |= SAS_PROTOCOL_SMP; | |
195 | if (device_info & MPI2_SAS_DEVICE_INFO_SATA_HOST) | |
196 | identify->initiator_port_protocols |= SAS_PROTOCOL_SATA; | |
197 | ||
198 | /* target_port_protocols */ | |
199 | if (device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) | |
200 | identify->target_port_protocols |= SAS_PROTOCOL_SSP; | |
201 | if (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) | |
202 | identify->target_port_protocols |= SAS_PROTOCOL_STP; | |
203 | if (device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET) | |
204 | identify->target_port_protocols |= SAS_PROTOCOL_SMP; | |
205 | if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) | |
206 | identify->target_port_protocols |= SAS_PROTOCOL_SATA; | |
207 | ||
208 | return 0; | |
209 | } | |
210 | ||
211 | /** | |
212 | * mpt2sas_transport_done - internal transport layer callback handler. | |
213 | * @ioc: per adapter object | |
214 | * @smid: system request message index | |
7b936b02 | 215 | * @msix_index: MSIX table index supplied by the OS |
635374e7 EM |
216 | * @reply: reply message frame(lower 32bit addr) |
217 | * | |
218 | * Callback handler when sending internal generated transport cmds. | |
219 | * The callback index passed is `ioc->transport_cb_idx` | |
220 | * | |
77e63ed4 KD |
221 | * Return 1 meaning mf should be freed from _base_interrupt |
222 | * 0 means the mf is freed from this function. | |
635374e7 | 223 | */ |
77e63ed4 | 224 | u8 |
7b936b02 | 225 | mpt2sas_transport_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, |
635374e7 EM |
226 | u32 reply) |
227 | { | |
228 | MPI2DefaultReply_t *mpi_reply; | |
229 | ||
230 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
231 | if (ioc->transport_cmds.status == MPT2_CMD_NOT_USED) | |
77e63ed4 | 232 | return 1; |
635374e7 | 233 | if (ioc->transport_cmds.smid != smid) |
77e63ed4 | 234 | return 1; |
635374e7 EM |
235 | ioc->transport_cmds.status |= MPT2_CMD_COMPLETE; |
236 | if (mpi_reply) { | |
237 | memcpy(ioc->transport_cmds.reply, mpi_reply, | |
238 | mpi_reply->MsgLength*4); | |
239 | ioc->transport_cmds.status |= MPT2_CMD_REPLY_VALID; | |
240 | } | |
241 | ioc->transport_cmds.status &= ~MPT2_CMD_PENDING; | |
242 | complete(&ioc->transport_cmds.done); | |
77e63ed4 | 243 | return 1; |
635374e7 EM |
244 | } |
245 | ||
246 | /* report manufacture request structure */ | |
247 | struct rep_manu_request{ | |
248 | u8 smp_frame_type; | |
249 | u8 function; | |
250 | u8 reserved; | |
251 | u8 request_length; | |
252 | }; | |
253 | ||
254 | /* report manufacture reply structure */ | |
255 | struct rep_manu_reply{ | |
256 | u8 smp_frame_type; /* 0x41 */ | |
257 | u8 function; /* 0x01 */ | |
258 | u8 function_result; | |
259 | u8 response_length; | |
260 | u16 expander_change_count; | |
261 | u8 reserved0[2]; | |
463217bf | 262 | u8 sas_format; |
635374e7 EM |
263 | u8 reserved2[3]; |
264 | u8 vendor_id[SAS_EXPANDER_VENDOR_ID_LEN]; | |
265 | u8 product_id[SAS_EXPANDER_PRODUCT_ID_LEN]; | |
266 | u8 product_rev[SAS_EXPANDER_PRODUCT_REV_LEN]; | |
267 | u8 component_vendor_id[SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN]; | |
268 | u16 component_id; | |
269 | u8 component_revision_id; | |
270 | u8 reserved3; | |
271 | u8 vendor_specific[8]; | |
272 | }; | |
273 | ||
274 | /** | |
d5d135b3 | 275 | * _transport_expander_report_manufacture - obtain SMP report_manufacture |
635374e7 EM |
276 | * @ioc: per adapter object |
277 | * @sas_address: expander sas address | |
278 | * @edev: the sas_expander_device object | |
279 | * | |
280 | * Fills in the sas_expander_device object when SMP port is created. | |
281 | * | |
282 | * Returns 0 for success, non-zero for failure. | |
283 | */ | |
284 | static int | |
d5d135b3 | 285 | _transport_expander_report_manufacture(struct MPT2SAS_ADAPTER *ioc, |
635374e7 EM |
286 | u64 sas_address, struct sas_expander_device *edev) |
287 | { | |
288 | Mpi2SmpPassthroughRequest_t *mpi_request; | |
289 | Mpi2SmpPassthroughReply_t *mpi_reply; | |
290 | struct rep_manu_reply *manufacture_reply; | |
291 | struct rep_manu_request *manufacture_request; | |
292 | int rc; | |
293 | u16 smid; | |
294 | u32 ioc_state; | |
295 | unsigned long timeleft; | |
296 | void *psge; | |
297 | u32 sgl_flags; | |
298 | u8 issue_reset = 0; | |
635374e7 EM |
299 | void *data_out = NULL; |
300 | dma_addr_t data_out_dma; | |
301 | u32 sz; | |
302 | u64 *sas_address_le; | |
303 | u16 wait_state_count; | |
304 | ||
3cb5469a | 305 | if (ioc->shost_recovery || ioc->pci_error_recovery) { |
635374e7 EM |
306 | printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", |
307 | __func__, ioc->name); | |
308 | return -EFAULT; | |
309 | } | |
635374e7 EM |
310 | |
311 | mutex_lock(&ioc->transport_cmds.mutex); | |
312 | ||
313 | if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) { | |
314 | printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n", | |
315 | ioc->name, __func__); | |
316 | rc = -EAGAIN; | |
317 | goto out; | |
318 | } | |
319 | ioc->transport_cmds.status = MPT2_CMD_PENDING; | |
320 | ||
321 | wait_state_count = 0; | |
322 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
323 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
324 | if (wait_state_count++ == 10) { | |
325 | printk(MPT2SAS_ERR_FMT | |
326 | "%s: failed due to ioc not operational\n", | |
327 | ioc->name, __func__); | |
328 | rc = -EFAULT; | |
329 | goto out; | |
330 | } | |
331 | ssleep(1); | |
332 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
333 | printk(MPT2SAS_INFO_FMT "%s: waiting for " | |
334 | "operational state(count=%d)\n", ioc->name, | |
335 | __func__, wait_state_count); | |
336 | } | |
337 | if (wait_state_count) | |
338 | printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n", | |
339 | ioc->name, __func__); | |
340 | ||
341 | smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx); | |
342 | if (!smid) { | |
343 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
344 | ioc->name, __func__); | |
345 | rc = -EAGAIN; | |
346 | goto out; | |
347 | } | |
348 | ||
349 | rc = 0; | |
350 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
351 | ioc->transport_cmds.smid = smid; | |
352 | ||
353 | sz = sizeof(struct rep_manu_request) + sizeof(struct rep_manu_reply); | |
354 | data_out = pci_alloc_consistent(ioc->pdev, sz, &data_out_dma); | |
355 | ||
356 | if (!data_out) { | |
357 | printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, | |
358 | __LINE__, __func__); | |
359 | rc = -ENOMEM; | |
360 | mpt2sas_base_free_smid(ioc, smid); | |
361 | goto out; | |
362 | } | |
363 | ||
364 | manufacture_request = data_out; | |
365 | manufacture_request->smp_frame_type = 0x40; | |
366 | manufacture_request->function = 1; | |
367 | manufacture_request->reserved = 0; | |
368 | manufacture_request->request_length = 0; | |
369 | ||
370 | memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t)); | |
371 | mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; | |
372 | mpi_request->PhysicalPort = 0xFF; | |
7b936b02 KD |
373 | mpi_request->VF_ID = 0; /* TODO */ |
374 | mpi_request->VP_ID = 0; | |
635374e7 EM |
375 | sas_address_le = (u64 *)&mpi_request->SASAddress; |
376 | *sas_address_le = cpu_to_le64(sas_address); | |
463217bf KD |
377 | mpi_request->RequestDataLength = |
378 | cpu_to_le16(sizeof(struct rep_manu_request)); | |
635374e7 EM |
379 | psge = &mpi_request->SGL; |
380 | ||
381 | /* WRITE sgel first */ | |
382 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
383 | MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC); | |
384 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
385 | ioc->base_add_sg_single(psge, sgl_flags | | |
386 | sizeof(struct rep_manu_request), data_out_dma); | |
387 | ||
388 | /* incr sgel */ | |
389 | psge += ioc->sge_size; | |
390 | ||
391 | /* READ sgel last */ | |
392 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
393 | MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | | |
394 | MPI2_SGE_FLAGS_END_OF_LIST); | |
395 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
396 | ioc->base_add_sg_single(psge, sgl_flags | | |
397 | sizeof(struct rep_manu_reply), data_out_dma + | |
398 | sizeof(struct rep_manu_request)); | |
399 | ||
eabb08ad | 400 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "report_manufacture - " |
635374e7 EM |
401 | "send to sas_addr(0x%016llx)\n", ioc->name, |
402 | (unsigned long long)sas_address)); | |
7b936b02 | 403 | mpt2sas_base_put_smid_default(ioc, smid); |
bcfb6e6e | 404 | init_completion(&ioc->transport_cmds.done); |
635374e7 EM |
405 | timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done, |
406 | 10*HZ); | |
407 | ||
408 | if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) { | |
409 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
410 | ioc->name, __func__); | |
411 | _debug_dump_mf(mpi_request, | |
412 | sizeof(Mpi2SmpPassthroughRequest_t)/4); | |
413 | if (!(ioc->transport_cmds.status & MPT2_CMD_RESET)) | |
414 | issue_reset = 1; | |
415 | goto issue_host_reset; | |
416 | } | |
417 | ||
eabb08ad | 418 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "report_manufacture - " |
635374e7 EM |
419 | "complete\n", ioc->name)); |
420 | ||
421 | if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) { | |
422 | u8 *tmp; | |
423 | ||
424 | mpi_reply = ioc->transport_cmds.reply; | |
425 | ||
eabb08ad | 426 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT |
635374e7 EM |
427 | "report_manufacture - reply data transfer size(%d)\n", |
428 | ioc->name, le16_to_cpu(mpi_reply->ResponseDataLength))); | |
429 | ||
430 | if (le16_to_cpu(mpi_reply->ResponseDataLength) != | |
431 | sizeof(struct rep_manu_reply)) | |
432 | goto out; | |
433 | ||
434 | manufacture_reply = data_out + sizeof(struct rep_manu_request); | |
435 | strncpy(edev->vendor_id, manufacture_reply->vendor_id, | |
436 | SAS_EXPANDER_VENDOR_ID_LEN); | |
437 | strncpy(edev->product_id, manufacture_reply->product_id, | |
438 | SAS_EXPANDER_PRODUCT_ID_LEN); | |
439 | strncpy(edev->product_rev, manufacture_reply->product_rev, | |
440 | SAS_EXPANDER_PRODUCT_REV_LEN); | |
463217bf KD |
441 | edev->level = manufacture_reply->sas_format & 1; |
442 | if (edev->level) { | |
635374e7 EM |
443 | strncpy(edev->component_vendor_id, |
444 | manufacture_reply->component_vendor_id, | |
445 | SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN); | |
446 | tmp = (u8 *)&manufacture_reply->component_id; | |
447 | edev->component_id = tmp[0] << 8 | tmp[1]; | |
448 | edev->component_revision_id = | |
449 | manufacture_reply->component_revision_id; | |
450 | } | |
451 | } else | |
eabb08ad | 452 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT |
635374e7 EM |
453 | "report_manufacture - no reply\n", ioc->name)); |
454 | ||
455 | issue_host_reset: | |
456 | if (issue_reset) | |
457 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
458 | FORCE_BIG_HAMMER); | |
459 | out: | |
460 | ioc->transport_cmds.status = MPT2_CMD_NOT_USED; | |
461 | if (data_out) | |
462 | pci_free_consistent(ioc->pdev, sz, data_out, data_out_dma); | |
463 | ||
464 | mutex_unlock(&ioc->transport_cmds.mutex); | |
465 | return rc; | |
466 | } | |
467 | ||
7f6f794d KD |
468 | /** |
469 | * _transport_delete_port - helper function to removing a port | |
470 | * @ioc: per adapter object | |
471 | * @mpt2sas_port: mpt2sas per port object | |
472 | * | |
473 | * Returns nothing. | |
474 | */ | |
475 | static void | |
476 | _transport_delete_port(struct MPT2SAS_ADAPTER *ioc, | |
477 | struct _sas_port *mpt2sas_port) | |
478 | { | |
479 | u64 sas_address = mpt2sas_port->remote_identify.sas_address; | |
480 | enum sas_device_type device_type = | |
481 | mpt2sas_port->remote_identify.device_type; | |
482 | ||
483 | dev_printk(KERN_INFO, &mpt2sas_port->port->dev, | |
484 | "remove: sas_addr(0x%016llx)\n", | |
485 | (unsigned long long) sas_address); | |
486 | ||
487 | ioc->logging_level |= MPT_DEBUG_TRANSPORT; | |
488 | if (device_type == SAS_END_DEVICE) | |
489 | mpt2sas_device_remove(ioc, sas_address); | |
490 | else if (device_type == SAS_EDGE_EXPANDER_DEVICE || | |
491 | device_type == SAS_FANOUT_EXPANDER_DEVICE) | |
492 | mpt2sas_expander_remove(ioc, sas_address); | |
493 | ioc->logging_level &= ~MPT_DEBUG_TRANSPORT; | |
494 | } | |
38c29114 KD |
495 | |
496 | /** | |
7f6f794d | 497 | * _transport_delete_phy - helper function to removing single phy from port |
38c29114 | 498 | * @ioc: per adapter object |
7f6f794d KD |
499 | * @mpt2sas_port: mpt2sas per port object |
500 | * @mpt2sas_phy: mpt2sas per phy object | |
38c29114 | 501 | * |
7f6f794d KD |
502 | * Returns nothing. |
503 | */ | |
504 | static void | |
505 | _transport_delete_phy(struct MPT2SAS_ADAPTER *ioc, | |
506 | struct _sas_port *mpt2sas_port, struct _sas_phy *mpt2sas_phy) | |
507 | { | |
508 | u64 sas_address = mpt2sas_port->remote_identify.sas_address; | |
509 | ||
510 | dev_printk(KERN_INFO, &mpt2sas_phy->phy->dev, | |
511 | "remove: sas_addr(0x%016llx), phy(%d)\n", | |
512 | (unsigned long long) sas_address, mpt2sas_phy->phy_id); | |
513 | ||
514 | list_del(&mpt2sas_phy->port_siblings); | |
515 | mpt2sas_port->num_phys--; | |
516 | sas_port_delete_phy(mpt2sas_port->port, mpt2sas_phy->phy); | |
517 | mpt2sas_phy->phy_belongs_to_port = 0; | |
518 | } | |
519 | ||
520 | /** | |
521 | * _transport_add_phy - helper function to adding single phy to port | |
522 | * @ioc: per adapter object | |
523 | * @mpt2sas_port: mpt2sas per port object | |
524 | * @mpt2sas_phy: mpt2sas per phy object | |
38c29114 | 525 | * |
7f6f794d | 526 | * Returns nothing. |
38c29114 KD |
527 | */ |
528 | static void | |
7f6f794d KD |
529 | _transport_add_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_port *mpt2sas_port, |
530 | struct _sas_phy *mpt2sas_phy) | |
38c29114 | 531 | { |
7f6f794d | 532 | u64 sas_address = mpt2sas_port->remote_identify.sas_address; |
38c29114 | 533 | |
7f6f794d KD |
534 | dev_printk(KERN_INFO, &mpt2sas_phy->phy->dev, |
535 | "add: sas_addr(0x%016llx), phy(%d)\n", (unsigned long long) | |
536 | sas_address, mpt2sas_phy->phy_id); | |
38c29114 | 537 | |
7f6f794d KD |
538 | list_add_tail(&mpt2sas_phy->port_siblings, &mpt2sas_port->phy_list); |
539 | mpt2sas_port->num_phys++; | |
540 | sas_port_add_phy(mpt2sas_port->port, mpt2sas_phy->phy); | |
541 | mpt2sas_phy->phy_belongs_to_port = 1; | |
542 | } | |
543 | ||
544 | /** | |
545 | * _transport_add_phy_to_an_existing_port - adding new phy to existing port | |
546 | * @ioc: per adapter object | |
547 | * @sas_node: sas node object (either expander or sas host) | |
548 | * @mpt2sas_phy: mpt2sas per phy object | |
549 | * @sas_address: sas address of device/expander were phy needs to be added to | |
550 | * | |
551 | * Returns nothing. | |
552 | */ | |
553 | static void | |
554 | _transport_add_phy_to_an_existing_port(struct MPT2SAS_ADAPTER *ioc, | |
555 | struct _sas_node *sas_node, struct _sas_phy *mpt2sas_phy, u64 sas_address) | |
556 | { | |
557 | struct _sas_port *mpt2sas_port; | |
558 | struct _sas_phy *phy_srch; | |
559 | ||
560 | if (mpt2sas_phy->phy_belongs_to_port == 1) | |
561 | return; | |
562 | ||
563 | list_for_each_entry(mpt2sas_port, &sas_node->sas_port_list, | |
564 | port_list) { | |
565 | if (mpt2sas_port->remote_identify.sas_address != | |
566 | sas_address) | |
567 | continue; | |
568 | list_for_each_entry(phy_srch, &mpt2sas_port->phy_list, | |
38c29114 | 569 | port_siblings) { |
7f6f794d KD |
570 | if (phy_srch == mpt2sas_phy) |
571 | return; | |
38c29114 | 572 | } |
7f6f794d KD |
573 | _transport_add_phy(ioc, mpt2sas_port, mpt2sas_phy); |
574 | return; | |
38c29114 KD |
575 | } |
576 | ||
7f6f794d KD |
577 | } |
578 | ||
579 | /** | |
580 | * _transport_del_phy_from_an_existing_port - delete phy from existing port | |
581 | * @ioc: per adapter object | |
582 | * @sas_node: sas node object (either expander or sas host) | |
583 | * @mpt2sas_phy: mpt2sas per phy object | |
584 | * | |
585 | * Returns nothing. | |
586 | */ | |
587 | static void | |
588 | _transport_del_phy_from_an_existing_port(struct MPT2SAS_ADAPTER *ioc, | |
589 | struct _sas_node *sas_node, struct _sas_phy *mpt2sas_phy) | |
590 | { | |
591 | struct _sas_port *mpt2sas_port, *next; | |
592 | struct _sas_phy *phy_srch; | |
593 | ||
594 | if (mpt2sas_phy->phy_belongs_to_port == 0) | |
38c29114 KD |
595 | return; |
596 | ||
7f6f794d KD |
597 | list_for_each_entry_safe(mpt2sas_port, next, &sas_node->sas_port_list, |
598 | port_list) { | |
599 | list_for_each_entry(phy_srch, &mpt2sas_port->phy_list, | |
600 | port_siblings) { | |
601 | if (phy_srch != mpt2sas_phy) | |
602 | continue; | |
603 | if (mpt2sas_port->num_phys == 1) | |
604 | _transport_delete_port(ioc, mpt2sas_port); | |
605 | else | |
606 | _transport_delete_phy(ioc, mpt2sas_port, | |
607 | mpt2sas_phy); | |
608 | return; | |
609 | } | |
610 | } | |
38c29114 KD |
611 | } |
612 | ||
613 | /** | |
614 | * _transport_sanity_check - sanity check when adding a new port | |
615 | * @ioc: per adapter object | |
616 | * @sas_node: sas node object (either expander or sas host) | |
617 | * @sas_address: sas address of device being added | |
618 | * | |
619 | * See the explanation above from _transport_delete_duplicate_port | |
620 | */ | |
621 | static void | |
622 | _transport_sanity_check(struct MPT2SAS_ADAPTER *ioc, struct _sas_node *sas_node, | |
623 | u64 sas_address) | |
624 | { | |
625 | int i; | |
626 | ||
7f6f794d KD |
627 | for (i = 0; i < sas_node->num_phys; i++) { |
628 | if (sas_node->phy[i].remote_identify.sas_address != sas_address) | |
629 | continue; | |
630 | if (sas_node->phy[i].phy_belongs_to_port == 1) | |
631 | _transport_del_phy_from_an_existing_port(ioc, sas_node, | |
632 | &sas_node->phy[i]); | |
633 | } | |
38c29114 KD |
634 | } |
635 | ||
635374e7 EM |
636 | /** |
637 | * mpt2sas_transport_port_add - insert port to the list | |
638 | * @ioc: per adapter object | |
639 | * @handle: handle of attached device | |
c5e039be | 640 | * @sas_address: sas address of parent expander or sas host |
635374e7 EM |
641 | * Context: This function will acquire ioc->sas_node_lock. |
642 | * | |
643 | * Adding new port object to the sas_node->sas_port_list. | |
644 | * | |
645 | * Returns mpt2sas_port. | |
646 | */ | |
647 | struct _sas_port * | |
648 | mpt2sas_transport_port_add(struct MPT2SAS_ADAPTER *ioc, u16 handle, | |
c5e039be | 649 | u64 sas_address) |
635374e7 EM |
650 | { |
651 | struct _sas_phy *mpt2sas_phy, *next; | |
652 | struct _sas_port *mpt2sas_port; | |
653 | unsigned long flags; | |
654 | struct _sas_node *sas_node; | |
655 | struct sas_rphy *rphy; | |
656 | int i; | |
657 | struct sas_port *port; | |
658 | ||
635374e7 EM |
659 | mpt2sas_port = kzalloc(sizeof(struct _sas_port), |
660 | GFP_KERNEL); | |
661 | if (!mpt2sas_port) { | |
662 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
663 | ioc->name, __FILE__, __LINE__, __func__); | |
664 | return NULL; | |
665 | } | |
666 | ||
667 | INIT_LIST_HEAD(&mpt2sas_port->port_list); | |
668 | INIT_LIST_HEAD(&mpt2sas_port->phy_list); | |
669 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
c5e039be | 670 | sas_node = _transport_sas_node_find_by_sas_address(ioc, sas_address); |
635374e7 EM |
671 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
672 | ||
673 | if (!sas_node) { | |
c5e039be KD |
674 | printk(MPT2SAS_ERR_FMT "%s: Could not find " |
675 | "parent sas_address(0x%016llx)!\n", ioc->name, | |
676 | __func__, (unsigned long long)sas_address); | |
635374e7 EM |
677 | goto out_fail; |
678 | } | |
679 | ||
635374e7 EM |
680 | if ((_transport_set_identify(ioc, handle, |
681 | &mpt2sas_port->remote_identify))) { | |
682 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
683 | ioc->name, __FILE__, __LINE__, __func__); | |
684 | goto out_fail; | |
685 | } | |
686 | ||
687 | if (mpt2sas_port->remote_identify.device_type == SAS_PHY_UNUSED) { | |
688 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
689 | ioc->name, __FILE__, __LINE__, __func__); | |
690 | goto out_fail; | |
691 | } | |
692 | ||
38c29114 KD |
693 | _transport_sanity_check(ioc, sas_node, |
694 | mpt2sas_port->remote_identify.sas_address); | |
695 | ||
635374e7 EM |
696 | for (i = 0; i < sas_node->num_phys; i++) { |
697 | if (sas_node->phy[i].remote_identify.sas_address != | |
698 | mpt2sas_port->remote_identify.sas_address) | |
699 | continue; | |
700 | list_add_tail(&sas_node->phy[i].port_siblings, | |
701 | &mpt2sas_port->phy_list); | |
702 | mpt2sas_port->num_phys++; | |
703 | } | |
704 | ||
705 | if (!mpt2sas_port->num_phys) { | |
706 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
707 | ioc->name, __FILE__, __LINE__, __func__); | |
708 | goto out_fail; | |
709 | } | |
710 | ||
711 | port = sas_port_alloc_num(sas_node->parent_dev); | |
712 | if ((sas_port_add(port))) { | |
713 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
714 | ioc->name, __FILE__, __LINE__, __func__); | |
715 | goto out_fail; | |
716 | } | |
717 | ||
718 | list_for_each_entry(mpt2sas_phy, &mpt2sas_port->phy_list, | |
719 | port_siblings) { | |
720 | if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) | |
721 | dev_printk(KERN_INFO, &port->dev, "add: handle(0x%04x)" | |
722 | ", sas_addr(0x%016llx), phy(%d)\n", handle, | |
723 | (unsigned long long) | |
724 | mpt2sas_port->remote_identify.sas_address, | |
725 | mpt2sas_phy->phy_id); | |
726 | sas_port_add_phy(port, mpt2sas_phy->phy); | |
38c29114 | 727 | mpt2sas_phy->phy_belongs_to_port = 1; |
635374e7 EM |
728 | } |
729 | ||
730 | mpt2sas_port->port = port; | |
731 | if (mpt2sas_port->remote_identify.device_type == SAS_END_DEVICE) | |
732 | rphy = sas_end_device_alloc(port); | |
733 | else | |
734 | rphy = sas_expander_alloc(port, | |
735 | mpt2sas_port->remote_identify.device_type); | |
736 | ||
737 | rphy->identify = mpt2sas_port->remote_identify; | |
738 | if ((sas_rphy_add(rphy))) { | |
739 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
740 | ioc->name, __FILE__, __LINE__, __func__); | |
741 | } | |
742 | if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) | |
743 | dev_printk(KERN_INFO, &rphy->dev, "add: handle(0x%04x), " | |
744 | "sas_addr(0x%016llx)\n", handle, | |
745 | (unsigned long long) | |
746 | mpt2sas_port->remote_identify.sas_address); | |
747 | mpt2sas_port->rphy = rphy; | |
748 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
749 | list_add_tail(&mpt2sas_port->port_list, &sas_node->sas_port_list); | |
750 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
751 | ||
752 | /* fill in report manufacture */ | |
753 | if (mpt2sas_port->remote_identify.device_type == | |
754 | MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER || | |
755 | mpt2sas_port->remote_identify.device_type == | |
756 | MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER) | |
d5d135b3 | 757 | _transport_expander_report_manufacture(ioc, |
635374e7 EM |
758 | mpt2sas_port->remote_identify.sas_address, |
759 | rphy_to_expander_device(rphy)); | |
760 | ||
761 | return mpt2sas_port; | |
762 | ||
763 | out_fail: | |
764 | list_for_each_entry_safe(mpt2sas_phy, next, &mpt2sas_port->phy_list, | |
765 | port_siblings) | |
766 | list_del(&mpt2sas_phy->port_siblings); | |
767 | kfree(mpt2sas_port); | |
768 | return NULL; | |
769 | } | |
770 | ||
771 | /** | |
772 | * mpt2sas_transport_port_remove - remove port from the list | |
773 | * @ioc: per adapter object | |
774 | * @sas_address: sas address of attached device | |
c5e039be | 775 | * @sas_address_parent: sas address of parent expander or sas host |
635374e7 EM |
776 | * Context: This function will acquire ioc->sas_node_lock. |
777 | * | |
778 | * Removing object and freeing associated memory from the | |
779 | * ioc->sas_port_list. | |
780 | * | |
781 | * Return nothing. | |
782 | */ | |
783 | void | |
784 | mpt2sas_transport_port_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, | |
c5e039be | 785 | u64 sas_address_parent) |
635374e7 EM |
786 | { |
787 | int i; | |
788 | unsigned long flags; | |
789 | struct _sas_port *mpt2sas_port, *next; | |
790 | struct _sas_node *sas_node; | |
791 | u8 found = 0; | |
792 | struct _sas_phy *mpt2sas_phy, *next_phy; | |
793 | ||
794 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
c5e039be KD |
795 | sas_node = _transport_sas_node_find_by_sas_address(ioc, |
796 | sas_address_parent); | |
635374e7 EM |
797 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
798 | if (!sas_node) | |
799 | return; | |
800 | list_for_each_entry_safe(mpt2sas_port, next, &sas_node->sas_port_list, | |
801 | port_list) { | |
802 | if (mpt2sas_port->remote_identify.sas_address != sas_address) | |
803 | continue; | |
804 | found = 1; | |
805 | list_del(&mpt2sas_port->port_list); | |
806 | goto out; | |
807 | } | |
808 | out: | |
809 | if (!found) | |
810 | return; | |
811 | ||
812 | for (i = 0; i < sas_node->num_phys; i++) { | |
813 | if (sas_node->phy[i].remote_identify.sas_address == sas_address) | |
814 | memset(&sas_node->phy[i].remote_identify, 0 , | |
815 | sizeof(struct sas_identify)); | |
816 | } | |
817 | ||
818 | list_for_each_entry_safe(mpt2sas_phy, next_phy, | |
819 | &mpt2sas_port->phy_list, port_siblings) { | |
820 | if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) | |
821 | dev_printk(KERN_INFO, &mpt2sas_port->port->dev, | |
c5e039be | 822 | "remove: sas_addr(0x%016llx), phy(%d)\n", |
635374e7 EM |
823 | (unsigned long long) |
824 | mpt2sas_port->remote_identify.sas_address, | |
825 | mpt2sas_phy->phy_id); | |
38c29114 | 826 | mpt2sas_phy->phy_belongs_to_port = 0; |
635374e7 EM |
827 | sas_port_delete_phy(mpt2sas_port->port, mpt2sas_phy->phy); |
828 | list_del(&mpt2sas_phy->port_siblings); | |
829 | } | |
830 | sas_port_delete(mpt2sas_port->port); | |
831 | kfree(mpt2sas_port); | |
832 | } | |
833 | ||
834 | /** | |
835 | * mpt2sas_transport_add_host_phy - report sas_host phy to transport | |
836 | * @ioc: per adapter object | |
837 | * @mpt2sas_phy: mpt2sas per phy object | |
838 | * @phy_pg0: sas phy page 0 | |
839 | * @parent_dev: parent device class object | |
840 | * | |
841 | * Returns 0 for success, non-zero for failure. | |
842 | */ | |
843 | int | |
844 | mpt2sas_transport_add_host_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy | |
845 | *mpt2sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev) | |
846 | { | |
847 | struct sas_phy *phy; | |
848 | int phy_index = mpt2sas_phy->phy_id; | |
849 | ||
850 | ||
851 | INIT_LIST_HEAD(&mpt2sas_phy->port_siblings); | |
852 | phy = sas_phy_alloc(parent_dev, phy_index); | |
853 | if (!phy) { | |
854 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
855 | ioc->name, __FILE__, __LINE__, __func__); | |
856 | return -1; | |
857 | } | |
858 | if ((_transport_set_identify(ioc, mpt2sas_phy->handle, | |
859 | &mpt2sas_phy->identify))) { | |
860 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
861 | ioc->name, __FILE__, __LINE__, __func__); | |
862 | return -1; | |
863 | } | |
864 | phy->identify = mpt2sas_phy->identify; | |
865 | mpt2sas_phy->attached_handle = le16_to_cpu(phy_pg0.AttachedDevHandle); | |
866 | if (mpt2sas_phy->attached_handle) | |
867 | _transport_set_identify(ioc, mpt2sas_phy->attached_handle, | |
868 | &mpt2sas_phy->remote_identify); | |
869 | phy->identify.phy_identifier = mpt2sas_phy->phy_id; | |
870 | phy->negotiated_linkrate = _transport_convert_phy_link_rate( | |
871 | phy_pg0.NegotiatedLinkRate & MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL); | |
872 | phy->minimum_linkrate_hw = _transport_convert_phy_link_rate( | |
873 | phy_pg0.HwLinkRate & MPI2_SAS_HWRATE_MIN_RATE_MASK); | |
874 | phy->maximum_linkrate_hw = _transport_convert_phy_link_rate( | |
875 | phy_pg0.HwLinkRate >> 4); | |
876 | phy->minimum_linkrate = _transport_convert_phy_link_rate( | |
877 | phy_pg0.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK); | |
878 | phy->maximum_linkrate = _transport_convert_phy_link_rate( | |
879 | phy_pg0.ProgrammedLinkRate >> 4); | |
880 | ||
881 | if ((sas_phy_add(phy))) { | |
882 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
883 | ioc->name, __FILE__, __LINE__, __func__); | |
884 | sas_phy_free(phy); | |
885 | return -1; | |
886 | } | |
887 | if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) | |
888 | dev_printk(KERN_INFO, &phy->dev, | |
889 | "add: handle(0x%04x), sas_addr(0x%016llx)\n" | |
890 | "\tattached_handle(0x%04x), sas_addr(0x%016llx)\n", | |
891 | mpt2sas_phy->handle, (unsigned long long) | |
892 | mpt2sas_phy->identify.sas_address, | |
893 | mpt2sas_phy->attached_handle, | |
894 | (unsigned long long) | |
895 | mpt2sas_phy->remote_identify.sas_address); | |
896 | mpt2sas_phy->phy = phy; | |
897 | return 0; | |
898 | } | |
899 | ||
900 | ||
901 | /** | |
902 | * mpt2sas_transport_add_expander_phy - report expander phy to transport | |
903 | * @ioc: per adapter object | |
904 | * @mpt2sas_phy: mpt2sas per phy object | |
905 | * @expander_pg1: expander page 1 | |
906 | * @parent_dev: parent device class object | |
907 | * | |
908 | * Returns 0 for success, non-zero for failure. | |
909 | */ | |
910 | int | |
911 | mpt2sas_transport_add_expander_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy | |
912 | *mpt2sas_phy, Mpi2ExpanderPage1_t expander_pg1, struct device *parent_dev) | |
913 | { | |
914 | struct sas_phy *phy; | |
915 | int phy_index = mpt2sas_phy->phy_id; | |
916 | ||
917 | INIT_LIST_HEAD(&mpt2sas_phy->port_siblings); | |
918 | phy = sas_phy_alloc(parent_dev, phy_index); | |
919 | if (!phy) { | |
920 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
921 | ioc->name, __FILE__, __LINE__, __func__); | |
922 | return -1; | |
923 | } | |
924 | if ((_transport_set_identify(ioc, mpt2sas_phy->handle, | |
925 | &mpt2sas_phy->identify))) { | |
926 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
927 | ioc->name, __FILE__, __LINE__, __func__); | |
928 | return -1; | |
929 | } | |
930 | phy->identify = mpt2sas_phy->identify; | |
931 | mpt2sas_phy->attached_handle = | |
932 | le16_to_cpu(expander_pg1.AttachedDevHandle); | |
933 | if (mpt2sas_phy->attached_handle) | |
934 | _transport_set_identify(ioc, mpt2sas_phy->attached_handle, | |
935 | &mpt2sas_phy->remote_identify); | |
936 | phy->identify.phy_identifier = mpt2sas_phy->phy_id; | |
937 | phy->negotiated_linkrate = _transport_convert_phy_link_rate( | |
938 | expander_pg1.NegotiatedLinkRate & | |
939 | MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL); | |
940 | phy->minimum_linkrate_hw = _transport_convert_phy_link_rate( | |
941 | expander_pg1.HwLinkRate & MPI2_SAS_HWRATE_MIN_RATE_MASK); | |
942 | phy->maximum_linkrate_hw = _transport_convert_phy_link_rate( | |
943 | expander_pg1.HwLinkRate >> 4); | |
944 | phy->minimum_linkrate = _transport_convert_phy_link_rate( | |
945 | expander_pg1.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK); | |
946 | phy->maximum_linkrate = _transport_convert_phy_link_rate( | |
947 | expander_pg1.ProgrammedLinkRate >> 4); | |
948 | ||
949 | if ((sas_phy_add(phy))) { | |
950 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
951 | ioc->name, __FILE__, __LINE__, __func__); | |
952 | sas_phy_free(phy); | |
953 | return -1; | |
954 | } | |
955 | if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) | |
956 | dev_printk(KERN_INFO, &phy->dev, | |
957 | "add: handle(0x%04x), sas_addr(0x%016llx)\n" | |
958 | "\tattached_handle(0x%04x), sas_addr(0x%016llx)\n", | |
959 | mpt2sas_phy->handle, (unsigned long long) | |
960 | mpt2sas_phy->identify.sas_address, | |
961 | mpt2sas_phy->attached_handle, | |
962 | (unsigned long long) | |
963 | mpt2sas_phy->remote_identify.sas_address); | |
964 | mpt2sas_phy->phy = phy; | |
965 | return 0; | |
966 | } | |
967 | ||
968 | /** | |
cc0f5207 | 969 | * mpt2sas_transport_update_links - refreshing phy link changes |
635374e7 | 970 | * @ioc: per adapter object |
c5e039be KD |
971 | * @sas_address: sas address of parent expander or sas host |
972 | * @handle: attached device handle | |
635374e7 EM |
973 | * @phy_numberv: phy number |
974 | * @link_rate: new link rate | |
975 | * | |
976 | * Returns nothing. | |
977 | */ | |
978 | void | |
cc0f5207 | 979 | mpt2sas_transport_update_links(struct MPT2SAS_ADAPTER *ioc, |
c5e039be | 980 | u64 sas_address, u16 handle, u8 phy_number, u8 link_rate) |
635374e7 EM |
981 | { |
982 | unsigned long flags; | |
983 | struct _sas_node *sas_node; | |
984 | struct _sas_phy *mpt2sas_phy; | |
985 | ||
3cb5469a | 986 | if (ioc->shost_recovery || ioc->pci_error_recovery) |
155dd4c7 | 987 | return; |
155dd4c7 | 988 | |
635374e7 | 989 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
c5e039be | 990 | sas_node = _transport_sas_node_find_by_sas_address(ioc, sas_address); |
635374e7 EM |
991 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
992 | if (!sas_node) | |
993 | return; | |
994 | ||
995 | mpt2sas_phy = &sas_node->phy[phy_number]; | |
c5e039be | 996 | mpt2sas_phy->attached_handle = handle; |
7f6f794d | 997 | if (handle && (link_rate >= MPI2_SAS_NEG_LINK_RATE_1_5)) { |
c5e039be | 998 | _transport_set_identify(ioc, handle, |
635374e7 | 999 | &mpt2sas_phy->remote_identify); |
7f6f794d KD |
1000 | _transport_add_phy_to_an_existing_port(ioc, sas_node, |
1001 | mpt2sas_phy, mpt2sas_phy->remote_identify.sas_address); | |
1002 | } else | |
635374e7 EM |
1003 | memset(&mpt2sas_phy->remote_identify, 0 , sizeof(struct |
1004 | sas_identify)); | |
1005 | ||
1006 | if (mpt2sas_phy->phy) | |
1007 | mpt2sas_phy->phy->negotiated_linkrate = | |
1008 | _transport_convert_phy_link_rate(link_rate); | |
1009 | ||
1010 | if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) | |
1011 | dev_printk(KERN_INFO, &mpt2sas_phy->phy->dev, | |
c5e039be | 1012 | "refresh: parent sas_addr(0x%016llx),\n" |
635374e7 EM |
1013 | "\tlink_rate(0x%02x), phy(%d)\n" |
1014 | "\tattached_handle(0x%04x), sas_addr(0x%016llx)\n", | |
c5e039be KD |
1015 | (unsigned long long)sas_address, |
1016 | link_rate, phy_number, handle, (unsigned long long) | |
635374e7 EM |
1017 | mpt2sas_phy->remote_identify.sas_address); |
1018 | } | |
1019 | ||
1020 | static inline void * | |
1021 | phy_to_ioc(struct sas_phy *phy) | |
1022 | { | |
1023 | struct Scsi_Host *shost = dev_to_shost(phy->dev.parent); | |
1024 | return shost_priv(shost); | |
1025 | } | |
1026 | ||
1027 | static inline void * | |
1028 | rphy_to_ioc(struct sas_rphy *rphy) | |
1029 | { | |
1030 | struct Scsi_Host *shost = dev_to_shost(rphy->dev.parent->parent); | |
1031 | return shost_priv(shost); | |
1032 | } | |
1033 | ||
50d5c606 | 1034 | |
d5f491e6 KD |
1035 | /* report phy error log structure */ |
1036 | struct phy_error_log_request{ | |
1037 | u8 smp_frame_type; /* 0x40 */ | |
1038 | u8 function; /* 0x11 */ | |
1039 | u8 allocated_response_length; | |
1040 | u8 request_length; /* 02 */ | |
1041 | u8 reserved_1[5]; | |
1042 | u8 phy_identifier; | |
1043 | u8 reserved_2[2]; | |
1044 | }; | |
1045 | ||
1046 | /* report phy error log reply structure */ | |
1047 | struct phy_error_log_reply{ | |
1048 | u8 smp_frame_type; /* 0x41 */ | |
1049 | u8 function; /* 0x11 */ | |
1050 | u8 function_result; | |
1051 | u8 response_length; | |
1052 | u16 expander_change_count; | |
1053 | u8 reserved_1[3]; | |
1054 | u8 phy_identifier; | |
1055 | u8 reserved_2[2]; | |
1056 | u32 invalid_dword; | |
1057 | u32 running_disparity_error; | |
1058 | u32 loss_of_dword_sync; | |
1059 | u32 phy_reset_problem; | |
1060 | }; | |
1061 | ||
1062 | /** | |
1063 | * _transport_get_expander_phy_error_log - return expander counters | |
1064 | * @ioc: per adapter object | |
1065 | * @phy: The sas phy object | |
1066 | * | |
1067 | * Returns 0 for success, non-zero for failure. | |
1068 | * | |
1069 | */ | |
1070 | static int | |
1071 | _transport_get_expander_phy_error_log(struct MPT2SAS_ADAPTER *ioc, | |
1072 | struct sas_phy *phy) | |
1073 | { | |
1074 | Mpi2SmpPassthroughRequest_t *mpi_request; | |
1075 | Mpi2SmpPassthroughReply_t *mpi_reply; | |
1076 | struct phy_error_log_request *phy_error_log_request; | |
1077 | struct phy_error_log_reply *phy_error_log_reply; | |
1078 | int rc; | |
1079 | u16 smid; | |
1080 | u32 ioc_state; | |
1081 | unsigned long timeleft; | |
1082 | void *psge; | |
1083 | u32 sgl_flags; | |
1084 | u8 issue_reset = 0; | |
1085 | void *data_out = NULL; | |
1086 | dma_addr_t data_out_dma; | |
1087 | u32 sz; | |
1088 | u64 *sas_address_le; | |
1089 | u16 wait_state_count; | |
1090 | ||
3cb5469a | 1091 | if (ioc->shost_recovery || ioc->pci_error_recovery) { |
d5f491e6 KD |
1092 | printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", |
1093 | __func__, ioc->name); | |
1094 | return -EFAULT; | |
1095 | } | |
1096 | ||
1097 | mutex_lock(&ioc->transport_cmds.mutex); | |
1098 | ||
1099 | if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) { | |
1100 | printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n", | |
1101 | ioc->name, __func__); | |
1102 | rc = -EAGAIN; | |
1103 | goto out; | |
1104 | } | |
1105 | ioc->transport_cmds.status = MPT2_CMD_PENDING; | |
1106 | ||
1107 | wait_state_count = 0; | |
1108 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
1109 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
1110 | if (wait_state_count++ == 10) { | |
1111 | printk(MPT2SAS_ERR_FMT | |
1112 | "%s: failed due to ioc not operational\n", | |
1113 | ioc->name, __func__); | |
1114 | rc = -EFAULT; | |
1115 | goto out; | |
1116 | } | |
1117 | ssleep(1); | |
1118 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
1119 | printk(MPT2SAS_INFO_FMT "%s: waiting for " | |
1120 | "operational state(count=%d)\n", ioc->name, | |
1121 | __func__, wait_state_count); | |
1122 | } | |
1123 | if (wait_state_count) | |
1124 | printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n", | |
1125 | ioc->name, __func__); | |
1126 | ||
1127 | smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx); | |
1128 | if (!smid) { | |
1129 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
1130 | ioc->name, __func__); | |
1131 | rc = -EAGAIN; | |
1132 | goto out; | |
1133 | } | |
1134 | ||
1135 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
1136 | ioc->transport_cmds.smid = smid; | |
1137 | ||
1138 | sz = sizeof(struct phy_error_log_request) + | |
1139 | sizeof(struct phy_error_log_reply); | |
1140 | data_out = pci_alloc_consistent(ioc->pdev, sz, &data_out_dma); | |
1141 | if (!data_out) { | |
1142 | printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, | |
1143 | __LINE__, __func__); | |
1144 | rc = -ENOMEM; | |
1145 | mpt2sas_base_free_smid(ioc, smid); | |
1146 | goto out; | |
1147 | } | |
1148 | ||
1149 | rc = -EINVAL; | |
1150 | memset(data_out, 0, sz); | |
1151 | phy_error_log_request = data_out; | |
1152 | phy_error_log_request->smp_frame_type = 0x40; | |
1153 | phy_error_log_request->function = 0x11; | |
1154 | phy_error_log_request->request_length = 2; | |
1155 | phy_error_log_request->allocated_response_length = 0; | |
1156 | phy_error_log_request->phy_identifier = phy->number; | |
1157 | ||
1158 | memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t)); | |
1159 | mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; | |
1160 | mpi_request->PhysicalPort = 0xFF; | |
1161 | mpi_request->VF_ID = 0; /* TODO */ | |
1162 | mpi_request->VP_ID = 0; | |
1163 | sas_address_le = (u64 *)&mpi_request->SASAddress; | |
1164 | *sas_address_le = cpu_to_le64(phy->identify.sas_address); | |
1165 | mpi_request->RequestDataLength = | |
1166 | cpu_to_le16(sizeof(struct phy_error_log_request)); | |
1167 | psge = &mpi_request->SGL; | |
1168 | ||
1169 | /* WRITE sgel first */ | |
1170 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
1171 | MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC); | |
1172 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
1173 | ioc->base_add_sg_single(psge, sgl_flags | | |
1174 | sizeof(struct phy_error_log_request), data_out_dma); | |
1175 | ||
1176 | /* incr sgel */ | |
1177 | psge += ioc->sge_size; | |
1178 | ||
1179 | /* READ sgel last */ | |
1180 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
1181 | MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | | |
1182 | MPI2_SGE_FLAGS_END_OF_LIST); | |
1183 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
1184 | ioc->base_add_sg_single(psge, sgl_flags | | |
1185 | sizeof(struct phy_error_log_reply), data_out_dma + | |
1186 | sizeof(struct phy_error_log_request)); | |
1187 | ||
1188 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_error_log - " | |
1189 | "send to sas_addr(0x%016llx), phy(%d)\n", ioc->name, | |
1190 | (unsigned long long)phy->identify.sas_address, phy->number)); | |
1191 | mpt2sas_base_put_smid_default(ioc, smid); | |
1192 | init_completion(&ioc->transport_cmds.done); | |
1193 | timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done, | |
1194 | 10*HZ); | |
1195 | ||
1196 | if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) { | |
1197 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
1198 | ioc->name, __func__); | |
1199 | _debug_dump_mf(mpi_request, | |
1200 | sizeof(Mpi2SmpPassthroughRequest_t)/4); | |
1201 | if (!(ioc->transport_cmds.status & MPT2_CMD_RESET)) | |
1202 | issue_reset = 1; | |
1203 | goto issue_host_reset; | |
1204 | } | |
1205 | ||
1206 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_error_log - " | |
1207 | "complete\n", ioc->name)); | |
1208 | ||
1209 | if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) { | |
1210 | ||
1211 | mpi_reply = ioc->transport_cmds.reply; | |
1212 | ||
1213 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT | |
1214 | "phy_error_log - reply data transfer size(%d)\n", | |
1215 | ioc->name, le16_to_cpu(mpi_reply->ResponseDataLength))); | |
1216 | ||
1217 | if (le16_to_cpu(mpi_reply->ResponseDataLength) != | |
1218 | sizeof(struct phy_error_log_reply)) | |
1219 | goto out; | |
1220 | ||
1221 | phy_error_log_reply = data_out + | |
1222 | sizeof(struct phy_error_log_request); | |
1223 | ||
1224 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT | |
1225 | "phy_error_log - function_result(%d)\n", | |
1226 | ioc->name, phy_error_log_reply->function_result)); | |
1227 | ||
1228 | phy->invalid_dword_count = | |
1229 | be32_to_cpu(phy_error_log_reply->invalid_dword); | |
1230 | phy->running_disparity_error_count = | |
1231 | be32_to_cpu(phy_error_log_reply->running_disparity_error); | |
1232 | phy->loss_of_dword_sync_count = | |
1233 | be32_to_cpu(phy_error_log_reply->loss_of_dword_sync); | |
1234 | phy->phy_reset_problem_count = | |
1235 | be32_to_cpu(phy_error_log_reply->phy_reset_problem); | |
1236 | rc = 0; | |
1237 | } else | |
1238 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT | |
1239 | "phy_error_log - no reply\n", ioc->name)); | |
1240 | ||
1241 | issue_host_reset: | |
1242 | if (issue_reset) | |
1243 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
1244 | FORCE_BIG_HAMMER); | |
1245 | out: | |
1246 | ioc->transport_cmds.status = MPT2_CMD_NOT_USED; | |
1247 | if (data_out) | |
1248 | pci_free_consistent(ioc->pdev, sz, data_out, data_out_dma); | |
1249 | ||
1250 | mutex_unlock(&ioc->transport_cmds.mutex); | |
1251 | return rc; | |
1252 | } | |
1253 | ||
635374e7 | 1254 | /** |
d5f491e6 | 1255 | * _transport_get_linkerrors - return phy counters for both hba and expanders |
635374e7 EM |
1256 | * @phy: The sas phy object |
1257 | * | |
635374e7 EM |
1258 | * Returns 0 for success, non-zero for failure. |
1259 | * | |
1260 | */ | |
1261 | static int | |
d5d135b3 | 1262 | _transport_get_linkerrors(struct sas_phy *phy) |
635374e7 EM |
1263 | { |
1264 | struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy); | |
d5f491e6 | 1265 | unsigned long flags; |
635374e7 EM |
1266 | Mpi2ConfigReply_t mpi_reply; |
1267 | Mpi2SasPhyPage1_t phy_pg1; | |
635374e7 | 1268 | |
d5f491e6 KD |
1269 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
1270 | if (_transport_sas_node_find_by_sas_address(ioc, | |
1271 | phy->identify.sas_address) == NULL) { | |
1272 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
635374e7 | 1273 | return -EINVAL; |
d5f491e6 KD |
1274 | } |
1275 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
1276 | ||
1277 | if (phy->identify.sas_address != ioc->sas_hba.sas_address) | |
1278 | return _transport_get_expander_phy_error_log(ioc, phy); | |
635374e7 | 1279 | |
d5f491e6 | 1280 | /* get hba phy error logs */ |
635374e7 | 1281 | if ((mpt2sas_config_get_phy_pg1(ioc, &mpi_reply, &phy_pg1, |
d5f491e6 | 1282 | phy->number))) { |
635374e7 EM |
1283 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
1284 | ioc->name, __FILE__, __LINE__, __func__); | |
1285 | return -ENXIO; | |
1286 | } | |
1287 | ||
1288 | if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) | |
1289 | printk(MPT2SAS_INFO_FMT "phy(%d), ioc_status" | |
1290 | "(0x%04x), loginfo(0x%08x)\n", ioc->name, | |
d5f491e6 | 1291 | phy->number, le16_to_cpu(mpi_reply.IOCStatus), |
635374e7 EM |
1292 | le32_to_cpu(mpi_reply.IOCLogInfo)); |
1293 | ||
1294 | phy->invalid_dword_count = le32_to_cpu(phy_pg1.InvalidDwordCount); | |
1295 | phy->running_disparity_error_count = | |
1296 | le32_to_cpu(phy_pg1.RunningDisparityErrorCount); | |
1297 | phy->loss_of_dword_sync_count = | |
1298 | le32_to_cpu(phy_pg1.LossDwordSynchCount); | |
1299 | phy->phy_reset_problem_count = | |
1300 | le32_to_cpu(phy_pg1.PhyResetProblemCount); | |
1301 | return 0; | |
1302 | } | |
1303 | ||
1304 | /** | |
d5d135b3 | 1305 | * _transport_get_enclosure_identifier - |
635374e7 EM |
1306 | * @phy: The sas phy object |
1307 | * | |
1308 | * Obtain the enclosure logical id for an expander. | |
1309 | * Returns 0 for success, non-zero for failure. | |
1310 | */ | |
1311 | static int | |
d5d135b3 | 1312 | _transport_get_enclosure_identifier(struct sas_rphy *rphy, u64 *identifier) |
635374e7 EM |
1313 | { |
1314 | struct MPT2SAS_ADAPTER *ioc = rphy_to_ioc(rphy); | |
ab6ce925 | 1315 | struct _sas_device *sas_device; |
635374e7 EM |
1316 | unsigned long flags; |
1317 | ||
ab6ce925 KD |
1318 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
1319 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
635374e7 | 1320 | rphy->identify.sas_address); |
ab6ce925 | 1321 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
635374e7 | 1322 | |
ab6ce925 | 1323 | if (!sas_device) |
635374e7 EM |
1324 | return -ENXIO; |
1325 | ||
ab6ce925 | 1326 | *identifier = sas_device->enclosure_logical_id; |
635374e7 EM |
1327 | return 0; |
1328 | } | |
1329 | ||
1330 | /** | |
d5d135b3 | 1331 | * _transport_get_bay_identifier - |
635374e7 EM |
1332 | * @phy: The sas phy object |
1333 | * | |
1334 | * Returns the slot id for a device that resides inside an enclosure. | |
1335 | */ | |
1336 | static int | |
d5d135b3 | 1337 | _transport_get_bay_identifier(struct sas_rphy *rphy) |
635374e7 EM |
1338 | { |
1339 | struct MPT2SAS_ADAPTER *ioc = rphy_to_ioc(rphy); | |
1340 | struct _sas_device *sas_device; | |
1341 | unsigned long flags; | |
1342 | ||
1343 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
1344 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
1345 | rphy->identify.sas_address); | |
1346 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
1347 | ||
1348 | if (!sas_device) | |
1349 | return -ENXIO; | |
1350 | ||
1351 | return sas_device->slot; | |
1352 | } | |
1353 | ||
b8d7d7bb KD |
1354 | /* phy control request structure */ |
1355 | struct phy_control_request{ | |
1356 | u8 smp_frame_type; /* 0x40 */ | |
1357 | u8 function; /* 0x91 */ | |
1358 | u8 allocated_response_length; | |
1359 | u8 request_length; /* 0x09 */ | |
1360 | u16 expander_change_count; | |
1361 | u8 reserved_1[3]; | |
1362 | u8 phy_identifier; | |
1363 | u8 phy_operation; | |
1364 | u8 reserved_2[13]; | |
1365 | u64 attached_device_name; | |
1366 | u8 programmed_min_physical_link_rate; | |
1367 | u8 programmed_max_physical_link_rate; | |
1368 | u8 reserved_3[6]; | |
1369 | }; | |
1370 | ||
1371 | /* phy control reply structure */ | |
1372 | struct phy_control_reply{ | |
1373 | u8 smp_frame_type; /* 0x41 */ | |
1374 | u8 function; /* 0x11 */ | |
1375 | u8 function_result; | |
1376 | u8 response_length; | |
1377 | }; | |
1378 | ||
1379 | #define SMP_PHY_CONTROL_LINK_RESET (0x01) | |
1380 | #define SMP_PHY_CONTROL_HARD_RESET (0x02) | |
1381 | #define SMP_PHY_CONTROL_DISABLE (0x03) | |
1382 | ||
1383 | /** | |
1384 | * _transport_expander_phy_control - expander phy control | |
1385 | * @ioc: per adapter object | |
1386 | * @phy: The sas phy object | |
1387 | * | |
1388 | * Returns 0 for success, non-zero for failure. | |
1389 | * | |
1390 | */ | |
1391 | static int | |
1392 | _transport_expander_phy_control(struct MPT2SAS_ADAPTER *ioc, | |
1393 | struct sas_phy *phy, u8 phy_operation) | |
1394 | { | |
1395 | Mpi2SmpPassthroughRequest_t *mpi_request; | |
1396 | Mpi2SmpPassthroughReply_t *mpi_reply; | |
1397 | struct phy_control_request *phy_control_request; | |
1398 | struct phy_control_reply *phy_control_reply; | |
1399 | int rc; | |
1400 | u16 smid; | |
1401 | u32 ioc_state; | |
1402 | unsigned long timeleft; | |
1403 | void *psge; | |
1404 | u32 sgl_flags; | |
1405 | u8 issue_reset = 0; | |
1406 | void *data_out = NULL; | |
1407 | dma_addr_t data_out_dma; | |
1408 | u32 sz; | |
1409 | u64 *sas_address_le; | |
1410 | u16 wait_state_count; | |
1411 | ||
1412 | if (ioc->shost_recovery) { | |
1413 | printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", | |
1414 | __func__, ioc->name); | |
1415 | return -EFAULT; | |
1416 | } | |
1417 | ||
1418 | mutex_lock(&ioc->transport_cmds.mutex); | |
1419 | ||
1420 | if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) { | |
1421 | printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n", | |
1422 | ioc->name, __func__); | |
1423 | rc = -EAGAIN; | |
1424 | goto out; | |
1425 | } | |
1426 | ioc->transport_cmds.status = MPT2_CMD_PENDING; | |
1427 | ||
1428 | wait_state_count = 0; | |
1429 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
1430 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
1431 | if (wait_state_count++ == 10) { | |
1432 | printk(MPT2SAS_ERR_FMT | |
1433 | "%s: failed due to ioc not operational\n", | |
1434 | ioc->name, __func__); | |
1435 | rc = -EFAULT; | |
1436 | goto out; | |
1437 | } | |
1438 | ssleep(1); | |
1439 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
1440 | printk(MPT2SAS_INFO_FMT "%s: waiting for " | |
1441 | "operational state(count=%d)\n", ioc->name, | |
1442 | __func__, wait_state_count); | |
1443 | } | |
1444 | if (wait_state_count) | |
1445 | printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n", | |
1446 | ioc->name, __func__); | |
1447 | ||
1448 | smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx); | |
1449 | if (!smid) { | |
1450 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
1451 | ioc->name, __func__); | |
1452 | rc = -EAGAIN; | |
1453 | goto out; | |
1454 | } | |
1455 | ||
1456 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
1457 | ioc->transport_cmds.smid = smid; | |
1458 | ||
1459 | sz = sizeof(struct phy_control_request) + | |
1460 | sizeof(struct phy_control_reply); | |
1461 | data_out = pci_alloc_consistent(ioc->pdev, sz, &data_out_dma); | |
1462 | if (!data_out) { | |
1463 | printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, | |
1464 | __LINE__, __func__); | |
1465 | rc = -ENOMEM; | |
1466 | mpt2sas_base_free_smid(ioc, smid); | |
1467 | goto out; | |
1468 | } | |
1469 | ||
1470 | rc = -EINVAL; | |
1471 | memset(data_out, 0, sz); | |
1472 | phy_control_request = data_out; | |
1473 | phy_control_request->smp_frame_type = 0x40; | |
1474 | phy_control_request->function = 0x91; | |
1475 | phy_control_request->request_length = 9; | |
1476 | phy_control_request->allocated_response_length = 0; | |
1477 | phy_control_request->phy_identifier = phy->number; | |
1478 | phy_control_request->phy_operation = phy_operation; | |
1479 | phy_control_request->programmed_min_physical_link_rate = | |
1480 | phy->minimum_linkrate << 4; | |
1481 | phy_control_request->programmed_max_physical_link_rate = | |
1482 | phy->maximum_linkrate << 4; | |
1483 | ||
1484 | memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t)); | |
1485 | mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; | |
1486 | mpi_request->PhysicalPort = 0xFF; | |
1487 | mpi_request->VF_ID = 0; /* TODO */ | |
1488 | mpi_request->VP_ID = 0; | |
1489 | sas_address_le = (u64 *)&mpi_request->SASAddress; | |
1490 | *sas_address_le = cpu_to_le64(phy->identify.sas_address); | |
1491 | mpi_request->RequestDataLength = | |
1492 | cpu_to_le16(sizeof(struct phy_error_log_request)); | |
1493 | psge = &mpi_request->SGL; | |
1494 | ||
1495 | /* WRITE sgel first */ | |
1496 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
1497 | MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC); | |
1498 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
1499 | ioc->base_add_sg_single(psge, sgl_flags | | |
1500 | sizeof(struct phy_control_request), data_out_dma); | |
1501 | ||
1502 | /* incr sgel */ | |
1503 | psge += ioc->sge_size; | |
1504 | ||
1505 | /* READ sgel last */ | |
1506 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
1507 | MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | | |
1508 | MPI2_SGE_FLAGS_END_OF_LIST); | |
1509 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
1510 | ioc->base_add_sg_single(psge, sgl_flags | | |
1511 | sizeof(struct phy_control_reply), data_out_dma + | |
1512 | sizeof(struct phy_control_request)); | |
1513 | ||
1514 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_control - " | |
1515 | "send to sas_addr(0x%016llx), phy(%d), opcode(%d)\n", ioc->name, | |
1516 | (unsigned long long)phy->identify.sas_address, phy->number, | |
1517 | phy_operation)); | |
1518 | mpt2sas_base_put_smid_default(ioc, smid); | |
1519 | init_completion(&ioc->transport_cmds.done); | |
1520 | timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done, | |
1521 | 10*HZ); | |
1522 | ||
1523 | if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) { | |
1524 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
1525 | ioc->name, __func__); | |
1526 | _debug_dump_mf(mpi_request, | |
1527 | sizeof(Mpi2SmpPassthroughRequest_t)/4); | |
1528 | if (!(ioc->transport_cmds.status & MPT2_CMD_RESET)) | |
1529 | issue_reset = 1; | |
1530 | goto issue_host_reset; | |
1531 | } | |
1532 | ||
1533 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_control - " | |
1534 | "complete\n", ioc->name)); | |
1535 | ||
1536 | if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) { | |
1537 | ||
1538 | mpi_reply = ioc->transport_cmds.reply; | |
1539 | ||
1540 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT | |
1541 | "phy_control - reply data transfer size(%d)\n", | |
1542 | ioc->name, le16_to_cpu(mpi_reply->ResponseDataLength))); | |
1543 | ||
1544 | if (le16_to_cpu(mpi_reply->ResponseDataLength) != | |
1545 | sizeof(struct phy_control_reply)) | |
1546 | goto out; | |
1547 | ||
1548 | phy_control_reply = data_out + | |
1549 | sizeof(struct phy_control_request); | |
1550 | ||
1551 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT | |
1552 | "phy_control - function_result(%d)\n", | |
1553 | ioc->name, phy_control_reply->function_result)); | |
1554 | ||
1555 | rc = 0; | |
1556 | } else | |
1557 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT | |
1558 | "phy_control - no reply\n", ioc->name)); | |
1559 | ||
1560 | issue_host_reset: | |
1561 | if (issue_reset) | |
1562 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
1563 | FORCE_BIG_HAMMER); | |
1564 | out: | |
1565 | ioc->transport_cmds.status = MPT2_CMD_NOT_USED; | |
1566 | if (data_out) | |
1567 | pci_free_consistent(ioc->pdev, sz, data_out, data_out_dma); | |
1568 | ||
1569 | mutex_unlock(&ioc->transport_cmds.mutex); | |
1570 | return rc; | |
1571 | } | |
1572 | ||
635374e7 | 1573 | /** |
d5d135b3 | 1574 | * _transport_phy_reset - |
635374e7 EM |
1575 | * @phy: The sas phy object |
1576 | * @hard_reset: | |
1577 | * | |
635374e7 EM |
1578 | * Returns 0 for success, non-zero for failure. |
1579 | */ | |
1580 | static int | |
d5d135b3 | 1581 | _transport_phy_reset(struct sas_phy *phy, int hard_reset) |
635374e7 EM |
1582 | { |
1583 | struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy); | |
635374e7 EM |
1584 | Mpi2SasIoUnitControlReply_t mpi_reply; |
1585 | Mpi2SasIoUnitControlRequest_t mpi_request; | |
b8d7d7bb | 1586 | unsigned long flags; |
635374e7 | 1587 | |
b8d7d7bb KD |
1588 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
1589 | if (_transport_sas_node_find_by_sas_address(ioc, | |
1590 | phy->identify.sas_address) == NULL) { | |
1591 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
635374e7 | 1592 | return -EINVAL; |
b8d7d7bb KD |
1593 | } |
1594 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
635374e7 | 1595 | |
b8d7d7bb KD |
1596 | /* handle expander phys */ |
1597 | if (phy->identify.sas_address != ioc->sas_hba.sas_address) | |
1598 | return _transport_expander_phy_control(ioc, phy, | |
1599 | (hard_reset == 1) ? SMP_PHY_CONTROL_HARD_RESET : | |
1600 | SMP_PHY_CONTROL_LINK_RESET); | |
1601 | ||
1602 | /* handle hba phys */ | |
635374e7 EM |
1603 | memset(&mpi_request, 0, sizeof(Mpi2SasIoUnitControlReply_t)); |
1604 | mpi_request.Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL; | |
1605 | mpi_request.Operation = hard_reset ? | |
1606 | MPI2_SAS_OP_PHY_HARD_RESET : MPI2_SAS_OP_PHY_LINK_RESET; | |
b8d7d7bb | 1607 | mpi_request.PhyNum = phy->number; |
635374e7 EM |
1608 | |
1609 | if ((mpt2sas_base_sas_iounit_control(ioc, &mpi_reply, &mpi_request))) { | |
1610 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1611 | ioc->name, __FILE__, __LINE__, __func__); | |
1612 | return -ENXIO; | |
1613 | } | |
1614 | ||
1615 | if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) | |
1616 | printk(MPT2SAS_INFO_FMT "phy(%d), ioc_status" | |
1617 | "(0x%04x), loginfo(0x%08x)\n", ioc->name, | |
b8d7d7bb | 1618 | phy->number, le16_to_cpu(mpi_reply.IOCStatus), |
635374e7 EM |
1619 | le32_to_cpu(mpi_reply.IOCLogInfo)); |
1620 | ||
1621 | return 0; | |
1622 | } | |
1623 | ||
50d5c606 KD |
1624 | /** |
1625 | * _transport_phy_enable - enable/disable phys | |
1626 | * @phy: The sas phy object | |
1627 | * @enable: enable phy when true | |
1628 | * | |
1629 | * Only support sas_host direct attached phys. | |
1630 | * Returns 0 for success, non-zero for failure. | |
1631 | */ | |
1632 | static int | |
1633 | _transport_phy_enable(struct sas_phy *phy, int enable) | |
1634 | { | |
1635 | struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy); | |
50d5c606 KD |
1636 | Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; |
1637 | Mpi2ConfigReply_t mpi_reply; | |
1638 | u16 ioc_status; | |
1639 | u16 sz; | |
1640 | int rc = 0; | |
b8d7d7bb | 1641 | unsigned long flags; |
50d5c606 | 1642 | |
b8d7d7bb KD |
1643 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
1644 | if (_transport_sas_node_find_by_sas_address(ioc, | |
1645 | phy->identify.sas_address) == NULL) { | |
1646 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
50d5c606 | 1647 | return -EINVAL; |
b8d7d7bb KD |
1648 | } |
1649 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
1650 | ||
1651 | /* handle expander phys */ | |
1652 | if (phy->identify.sas_address != ioc->sas_hba.sas_address) | |
1653 | return _transport_expander_phy_control(ioc, phy, | |
1654 | (enable == 1) ? SMP_PHY_CONTROL_LINK_RESET : | |
1655 | SMP_PHY_CONTROL_DISABLE); | |
1656 | ||
1657 | /* handle hba phys */ | |
50d5c606 KD |
1658 | |
1659 | /* sas_iounit page 1 */ | |
1660 | sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys * | |
1661 | sizeof(Mpi2SasIOUnit1PhyData_t)); | |
1662 | sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL); | |
1663 | if (!sas_iounit_pg1) { | |
1664 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1665 | ioc->name, __FILE__, __LINE__, __func__); | |
1666 | rc = -ENOMEM; | |
1667 | goto out; | |
1668 | } | |
1669 | if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply, | |
1670 | sas_iounit_pg1, sz))) { | |
1671 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1672 | ioc->name, __FILE__, __LINE__, __func__); | |
1673 | rc = -ENXIO; | |
1674 | goto out; | |
1675 | } | |
1676 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
1677 | MPI2_IOCSTATUS_MASK; | |
1678 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
1679 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1680 | ioc->name, __FILE__, __LINE__, __func__); | |
1681 | rc = -EIO; | |
1682 | goto out; | |
1683 | } | |
1684 | ||
1685 | if (enable) | |
b8d7d7bb | 1686 | sas_iounit_pg1->PhyData[phy->number].PhyFlags |
50d5c606 KD |
1687 | &= ~MPI2_SASIOUNIT1_PHYFLAGS_PHY_DISABLE; |
1688 | else | |
b8d7d7bb | 1689 | sas_iounit_pg1->PhyData[phy->number].PhyFlags |
50d5c606 KD |
1690 | |= MPI2_SASIOUNIT1_PHYFLAGS_PHY_DISABLE; |
1691 | ||
1692 | mpt2sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1, sz); | |
1693 | ||
b8d7d7bb KD |
1694 | /* link reset */ |
1695 | if (enable) | |
1696 | _transport_phy_reset(phy, 0); | |
1697 | ||
50d5c606 KD |
1698 | out: |
1699 | kfree(sas_iounit_pg1); | |
1700 | return rc; | |
1701 | } | |
1702 | ||
1703 | /** | |
1704 | * _transport_phy_speed - set phy min/max link rates | |
1705 | * @phy: The sas phy object | |
1706 | * @rates: rates defined in sas_phy_linkrates | |
1707 | * | |
1708 | * Only support sas_host direct attached phys. | |
1709 | * Returns 0 for success, non-zero for failure. | |
1710 | */ | |
1711 | static int | |
1712 | _transport_phy_speed(struct sas_phy *phy, struct sas_phy_linkrates *rates) | |
1713 | { | |
1714 | struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy); | |
50d5c606 KD |
1715 | Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; |
1716 | Mpi2SasPhyPage0_t phy_pg0; | |
1717 | Mpi2ConfigReply_t mpi_reply; | |
1718 | u16 ioc_status; | |
1719 | u16 sz; | |
1720 | int i; | |
1721 | int rc = 0; | |
b8d7d7bb | 1722 | unsigned long flags; |
50d5c606 | 1723 | |
b8d7d7bb KD |
1724 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
1725 | if (_transport_sas_node_find_by_sas_address(ioc, | |
1726 | phy->identify.sas_address) == NULL) { | |
1727 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
50d5c606 | 1728 | return -EINVAL; |
b8d7d7bb KD |
1729 | } |
1730 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
50d5c606 KD |
1731 | |
1732 | if (!rates->minimum_linkrate) | |
1733 | rates->minimum_linkrate = phy->minimum_linkrate; | |
1734 | else if (rates->minimum_linkrate < phy->minimum_linkrate_hw) | |
1735 | rates->minimum_linkrate = phy->minimum_linkrate_hw; | |
1736 | ||
1737 | if (!rates->maximum_linkrate) | |
1738 | rates->maximum_linkrate = phy->maximum_linkrate; | |
1739 | else if (rates->maximum_linkrate > phy->maximum_linkrate_hw) | |
1740 | rates->maximum_linkrate = phy->maximum_linkrate_hw; | |
1741 | ||
b8d7d7bb KD |
1742 | /* handle expander phys */ |
1743 | if (phy->identify.sas_address != ioc->sas_hba.sas_address) { | |
1744 | phy->minimum_linkrate = rates->minimum_linkrate; | |
1745 | phy->maximum_linkrate = rates->maximum_linkrate; | |
1746 | return _transport_expander_phy_control(ioc, phy, | |
1747 | SMP_PHY_CONTROL_LINK_RESET); | |
1748 | } | |
1749 | ||
1750 | /* handle hba phys */ | |
1751 | ||
50d5c606 KD |
1752 | /* sas_iounit page 1 */ |
1753 | sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys * | |
1754 | sizeof(Mpi2SasIOUnit1PhyData_t)); | |
1755 | sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL); | |
1756 | if (!sas_iounit_pg1) { | |
1757 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1758 | ioc->name, __FILE__, __LINE__, __func__); | |
1759 | rc = -ENOMEM; | |
1760 | goto out; | |
1761 | } | |
1762 | if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply, | |
1763 | sas_iounit_pg1, sz))) { | |
1764 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1765 | ioc->name, __FILE__, __LINE__, __func__); | |
1766 | rc = -ENXIO; | |
1767 | goto out; | |
1768 | } | |
1769 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
1770 | MPI2_IOCSTATUS_MASK; | |
1771 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
1772 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1773 | ioc->name, __FILE__, __LINE__, __func__); | |
1774 | rc = -EIO; | |
1775 | goto out; | |
1776 | } | |
1777 | ||
1778 | for (i = 0; i < ioc->sas_hba.num_phys; i++) { | |
b8d7d7bb | 1779 | if (phy->number != i) { |
50d5c606 KD |
1780 | sas_iounit_pg1->PhyData[i].MaxMinLinkRate = |
1781 | (ioc->sas_hba.phy[i].phy->minimum_linkrate + | |
1782 | (ioc->sas_hba.phy[i].phy->maximum_linkrate << 4)); | |
1783 | } else { | |
1784 | sas_iounit_pg1->PhyData[i].MaxMinLinkRate = | |
1785 | (rates->minimum_linkrate + | |
1786 | (rates->maximum_linkrate << 4)); | |
1787 | } | |
1788 | } | |
1789 | ||
1790 | if (mpt2sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1, | |
1791 | sz)) { | |
1792 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1793 | ioc->name, __FILE__, __LINE__, __func__); | |
1794 | rc = -ENXIO; | |
1795 | goto out; | |
1796 | } | |
1797 | ||
1798 | /* link reset */ | |
1799 | _transport_phy_reset(phy, 0); | |
1800 | ||
1801 | /* read phy page 0, then update the rates in the sas transport phy */ | |
1802 | if (!mpt2sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0, | |
b8d7d7bb | 1803 | phy->number)) { |
50d5c606 KD |
1804 | phy->minimum_linkrate = _transport_convert_phy_link_rate( |
1805 | phy_pg0.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK); | |
1806 | phy->maximum_linkrate = _transport_convert_phy_link_rate( | |
1807 | phy_pg0.ProgrammedLinkRate >> 4); | |
1808 | phy->negotiated_linkrate = _transport_convert_phy_link_rate( | |
1809 | phy_pg0.NegotiatedLinkRate & | |
1810 | MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL); | |
1811 | } | |
1812 | ||
1813 | out: | |
1814 | kfree(sas_iounit_pg1); | |
1815 | return rc; | |
1816 | } | |
1817 | ||
1818 | ||
635374e7 | 1819 | /** |
d5d135b3 | 1820 | * _transport_smp_handler - transport portal for smp passthru |
635374e7 EM |
1821 | * @shost: shost object |
1822 | * @rphy: sas transport rphy object | |
1823 | * @req: | |
1824 | * | |
1825 | * This used primarily for smp_utils. | |
1826 | * Example: | |
1827 | * smp_rep_general /sys/class/bsg/expander-5:0 | |
1828 | */ | |
1829 | static int | |
d5d135b3 | 1830 | _transport_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy, |
635374e7 EM |
1831 | struct request *req) |
1832 | { | |
1833 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
1834 | Mpi2SmpPassthroughRequest_t *mpi_request; | |
1835 | Mpi2SmpPassthroughReply_t *mpi_reply; | |
1836 | int rc; | |
1837 | u16 smid; | |
1838 | u32 ioc_state; | |
1839 | unsigned long timeleft; | |
1840 | void *psge; | |
1841 | u32 sgl_flags; | |
1842 | u8 issue_reset = 0; | |
635374e7 EM |
1843 | dma_addr_t dma_addr_in = 0; |
1844 | dma_addr_t dma_addr_out = 0; | |
1845 | u16 wait_state_count; | |
1846 | struct request *rsp = req->next_rq; | |
1847 | ||
1848 | if (!rsp) { | |
1849 | printk(MPT2SAS_ERR_FMT "%s: the smp response space is " | |
1850 | "missing\n", ioc->name, __func__); | |
1851 | return -EINVAL; | |
1852 | } | |
1853 | ||
1854 | /* do we need to support multiple segments? */ | |
1855 | if (req->bio->bi_vcnt > 1 || rsp->bio->bi_vcnt > 1) { | |
1856 | printk(MPT2SAS_ERR_FMT "%s: multiple segments req %u %u, " | |
1857 | "rsp %u %u\n", ioc->name, __func__, req->bio->bi_vcnt, | |
b0790410 | 1858 | blk_rq_bytes(req), rsp->bio->bi_vcnt, blk_rq_bytes(rsp)); |
635374e7 EM |
1859 | return -EINVAL; |
1860 | } | |
1861 | ||
155dd4c7 | 1862 | if (ioc->shost_recovery) { |
635374e7 EM |
1863 | printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", |
1864 | __func__, ioc->name); | |
1865 | return -EFAULT; | |
1866 | } | |
635374e7 EM |
1867 | |
1868 | rc = mutex_lock_interruptible(&ioc->transport_cmds.mutex); | |
1869 | if (rc) | |
1870 | return rc; | |
1871 | ||
1872 | if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) { | |
1873 | printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n", ioc->name, | |
1874 | __func__); | |
1875 | rc = -EAGAIN; | |
1876 | goto out; | |
1877 | } | |
1878 | ioc->transport_cmds.status = MPT2_CMD_PENDING; | |
1879 | ||
1880 | wait_state_count = 0; | |
1881 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
1882 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
1883 | if (wait_state_count++ == 10) { | |
1884 | printk(MPT2SAS_ERR_FMT | |
1885 | "%s: failed due to ioc not operational\n", | |
1886 | ioc->name, __func__); | |
1887 | rc = -EFAULT; | |
1888 | goto out; | |
1889 | } | |
1890 | ssleep(1); | |
1891 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
1892 | printk(MPT2SAS_INFO_FMT "%s: waiting for " | |
1893 | "operational state(count=%d)\n", ioc->name, | |
1894 | __func__, wait_state_count); | |
1895 | } | |
1896 | if (wait_state_count) | |
1897 | printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n", | |
1898 | ioc->name, __func__); | |
1899 | ||
1900 | smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx); | |
1901 | if (!smid) { | |
1902 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
1903 | ioc->name, __func__); | |
1904 | rc = -EAGAIN; | |
1905 | goto out; | |
1906 | } | |
1907 | ||
1908 | rc = 0; | |
1909 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
1910 | ioc->transport_cmds.smid = smid; | |
1911 | ||
1912 | memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t)); | |
1913 | mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; | |
1914 | mpi_request->PhysicalPort = 0xFF; | |
7b936b02 KD |
1915 | mpi_request->VF_ID = 0; /* TODO */ |
1916 | mpi_request->VP_ID = 0; | |
635374e7 EM |
1917 | *((u64 *)&mpi_request->SASAddress) = (rphy) ? |
1918 | cpu_to_le64(rphy->identify.sas_address) : | |
1919 | cpu_to_le64(ioc->sas_hba.sas_address); | |
b0790410 | 1920 | mpi_request->RequestDataLength = cpu_to_le16(blk_rq_bytes(req) - 4); |
635374e7 EM |
1921 | psge = &mpi_request->SGL; |
1922 | ||
1923 | /* WRITE sgel first */ | |
1924 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
1925 | MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC); | |
1926 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
1927 | dma_addr_out = pci_map_single(ioc->pdev, bio_data(req->bio), | |
b0790410 | 1928 | blk_rq_bytes(req), PCI_DMA_BIDIRECTIONAL); |
635374e7 | 1929 | if (!dma_addr_out) { |
463217bf | 1930 | mpt2sas_base_free_smid(ioc, smid); |
635374e7 EM |
1931 | goto unmap; |
1932 | } | |
1933 | ||
b0790410 | 1934 | ioc->base_add_sg_single(psge, sgl_flags | (blk_rq_bytes(req) - 4), |
635374e7 EM |
1935 | dma_addr_out); |
1936 | ||
1937 | /* incr sgel */ | |
1938 | psge += ioc->sge_size; | |
1939 | ||
1940 | /* READ sgel last */ | |
1941 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
1942 | MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | | |
1943 | MPI2_SGE_FLAGS_END_OF_LIST); | |
1944 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
b0790410 TH |
1945 | dma_addr_in = pci_map_single(ioc->pdev, bio_data(rsp->bio), |
1946 | blk_rq_bytes(rsp), PCI_DMA_BIDIRECTIONAL); | |
635374e7 | 1947 | if (!dma_addr_in) { |
463217bf | 1948 | mpt2sas_base_free_smid(ioc, smid); |
635374e7 EM |
1949 | goto unmap; |
1950 | } | |
1951 | ||
b0790410 | 1952 | ioc->base_add_sg_single(psge, sgl_flags | (blk_rq_bytes(rsp) + 4), |
635374e7 EM |
1953 | dma_addr_in); |
1954 | ||
eabb08ad | 1955 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "%s - " |
635374e7 EM |
1956 | "sending smp request\n", ioc->name, __func__)); |
1957 | ||
7b936b02 | 1958 | mpt2sas_base_put_smid_default(ioc, smid); |
bcfb6e6e | 1959 | init_completion(&ioc->transport_cmds.done); |
635374e7 EM |
1960 | timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done, |
1961 | 10*HZ); | |
1962 | ||
1963 | if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) { | |
1964 | printk(MPT2SAS_ERR_FMT "%s : timeout\n", | |
1965 | __func__, ioc->name); | |
1966 | _debug_dump_mf(mpi_request, | |
1967 | sizeof(Mpi2SmpPassthroughRequest_t)/4); | |
1968 | if (!(ioc->transport_cmds.status & MPT2_CMD_RESET)) | |
1969 | issue_reset = 1; | |
1970 | goto issue_host_reset; | |
1971 | } | |
1972 | ||
eabb08ad | 1973 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "%s - " |
635374e7 EM |
1974 | "complete\n", ioc->name, __func__)); |
1975 | ||
1976 | if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) { | |
1977 | ||
1978 | mpi_reply = ioc->transport_cmds.reply; | |
1979 | ||
eabb08ad | 1980 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT |
635374e7 EM |
1981 | "%s - reply data transfer size(%d)\n", |
1982 | ioc->name, __func__, | |
1983 | le16_to_cpu(mpi_reply->ResponseDataLength))); | |
1984 | ||
1985 | memcpy(req->sense, mpi_reply, sizeof(*mpi_reply)); | |
1986 | req->sense_len = sizeof(*mpi_reply); | |
5f49f631 | 1987 | req->resid_len = 0; |
e94f6747 KD |
1988 | rsp->resid_len -= |
1989 | le16_to_cpu(mpi_reply->ResponseDataLength); | |
635374e7 | 1990 | } else { |
eabb08ad | 1991 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT |
635374e7 EM |
1992 | "%s - no reply\n", ioc->name, __func__)); |
1993 | rc = -ENXIO; | |
1994 | } | |
1995 | ||
1996 | issue_host_reset: | |
1997 | if (issue_reset) { | |
1998 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
1999 | FORCE_BIG_HAMMER); | |
2000 | rc = -ETIMEDOUT; | |
2001 | } | |
2002 | ||
2003 | unmap: | |
2004 | if (dma_addr_out) | |
b0790410 | 2005 | pci_unmap_single(ioc->pdev, dma_addr_out, blk_rq_bytes(req), |
635374e7 EM |
2006 | PCI_DMA_BIDIRECTIONAL); |
2007 | if (dma_addr_in) | |
b0790410 | 2008 | pci_unmap_single(ioc->pdev, dma_addr_in, blk_rq_bytes(rsp), |
635374e7 EM |
2009 | PCI_DMA_BIDIRECTIONAL); |
2010 | ||
2011 | out: | |
2012 | ioc->transport_cmds.status = MPT2_CMD_NOT_USED; | |
2013 | mutex_unlock(&ioc->transport_cmds.mutex); | |
2014 | return rc; | |
2015 | } | |
2016 | ||
2017 | struct sas_function_template mpt2sas_transport_functions = { | |
d5d135b3 EM |
2018 | .get_linkerrors = _transport_get_linkerrors, |
2019 | .get_enclosure_identifier = _transport_get_enclosure_identifier, | |
2020 | .get_bay_identifier = _transport_get_bay_identifier, | |
2021 | .phy_reset = _transport_phy_reset, | |
50d5c606 KD |
2022 | .phy_enable = _transport_phy_enable, |
2023 | .set_phy_speed = _transport_phy_speed, | |
d5d135b3 | 2024 | .smp_handler = _transport_smp_handler, |
635374e7 EM |
2025 | }; |
2026 | ||
2027 | struct scsi_transport_template *mpt2sas_transport_template; |