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f92363d1 SR |
1 | /* |
2 | * SAS Transport Layer for MPT (Message Passing Technology) based controllers | |
3 | * | |
4 | * This code is based on drivers/scsi/mpt3sas/mpt3sas_transport.c | |
a4ffce0d | 5 | * Copyright (C) 2012-2014 LSI Corporation |
a03bd153 SR |
6 | * Copyright (C) 2013-2014 Avago Technologies |
7 | * (mailto: MPT-FusionLinux.pdl@avagotech.com) | |
f92363d1 SR |
8 | * |
9 | * This program is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU General Public License | |
11 | * as published by the Free Software Foundation; either version 2 | |
12 | * of the License, or (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * NO WARRANTY | |
20 | * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR | |
21 | * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT | |
22 | * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, | |
23 | * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is | |
24 | * solely responsible for determining the appropriateness of using and | |
25 | * distributing the Program and assumes all risks associated with its | |
26 | * exercise of rights under this Agreement, including but not limited to | |
27 | * the risks and costs of program errors, damage to or loss of data, | |
28 | * programs or equipment, and unavailability or interruption of operations. | |
29 | ||
30 | * DISCLAIMER OF LIABILITY | |
31 | * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY | |
32 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
33 | * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND | |
34 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR | |
35 | * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE | |
36 | * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED | |
37 | * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES | |
38 | ||
39 | * You should have received a copy of the GNU General Public License | |
40 | * along with this program; if not, write to the Free Software | |
41 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, | |
42 | * USA. | |
43 | */ | |
44 | ||
45 | #include <linux/module.h> | |
46 | #include <linux/kernel.h> | |
47 | #include <linux/init.h> | |
48 | #include <linux/errno.h> | |
49 | #include <linux/sched.h> | |
50 | #include <linux/workqueue.h> | |
51 | #include <linux/delay.h> | |
52 | #include <linux/pci.h> | |
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 "mpt3sas_base.h" | |
62 | ||
63 | /** | |
64 | * _transport_sas_node_find_by_sas_address - sas node search | |
65 | * @ioc: per adapter object | |
66 | * @sas_address: sas address of expander or sas host | |
67 | * Context: Calling function should acquire ioc->sas_node_lock. | |
68 | * | |
69 | * Search for either hba phys or expander device based on handle, then returns | |
70 | * the sas_node object. | |
71 | */ | |
72 | static struct _sas_node * | |
73 | _transport_sas_node_find_by_sas_address(struct MPT3SAS_ADAPTER *ioc, | |
74 | u64 sas_address) | |
75 | { | |
76 | if (ioc->sas_hba.sas_address == sas_address) | |
77 | return &ioc->sas_hba; | |
78 | else | |
79 | return mpt3sas_scsih_expander_find_by_sas_address(ioc, | |
80 | sas_address); | |
81 | } | |
82 | ||
83 | /** | |
84 | * _transport_convert_phy_link_rate - | |
85 | * @link_rate: link rate returned from mpt firmware | |
86 | * | |
87 | * Convert link_rate from mpi fusion into sas_transport form. | |
88 | */ | |
89 | static enum sas_linkrate | |
90 | _transport_convert_phy_link_rate(u8 link_rate) | |
91 | { | |
92 | enum sas_linkrate rc; | |
93 | ||
94 | switch (link_rate) { | |
95 | case MPI2_SAS_NEG_LINK_RATE_1_5: | |
96 | rc = SAS_LINK_RATE_1_5_GBPS; | |
97 | break; | |
98 | case MPI2_SAS_NEG_LINK_RATE_3_0: | |
99 | rc = SAS_LINK_RATE_3_0_GBPS; | |
100 | break; | |
101 | case MPI2_SAS_NEG_LINK_RATE_6_0: | |
102 | rc = SAS_LINK_RATE_6_0_GBPS; | |
103 | break; | |
104 | case MPI25_SAS_NEG_LINK_RATE_12_0: | |
105 | rc = SAS_LINK_RATE_12_0_GBPS; | |
106 | break; | |
107 | case MPI2_SAS_NEG_LINK_RATE_PHY_DISABLED: | |
108 | rc = SAS_PHY_DISABLED; | |
109 | break; | |
110 | case MPI2_SAS_NEG_LINK_RATE_NEGOTIATION_FAILED: | |
111 | rc = SAS_LINK_RATE_FAILED; | |
112 | break; | |
113 | case MPI2_SAS_NEG_LINK_RATE_PORT_SELECTOR: | |
114 | rc = SAS_SATA_PORT_SELECTOR; | |
115 | break; | |
116 | case MPI2_SAS_NEG_LINK_RATE_SMP_RESET_IN_PROGRESS: | |
117 | rc = SAS_PHY_RESET_IN_PROGRESS; | |
118 | break; | |
119 | ||
120 | default: | |
121 | case MPI2_SAS_NEG_LINK_RATE_SATA_OOB_COMPLETE: | |
122 | case MPI2_SAS_NEG_LINK_RATE_UNKNOWN_LINK_RATE: | |
123 | rc = SAS_LINK_RATE_UNKNOWN; | |
124 | break; | |
125 | } | |
126 | return rc; | |
127 | } | |
128 | ||
129 | /** | |
130 | * _transport_set_identify - set identify for phys and end devices | |
131 | * @ioc: per adapter object | |
132 | * @handle: device handle | |
133 | * @identify: sas identify info | |
134 | * | |
135 | * Populates sas identify info. | |
136 | * | |
137 | * Returns 0 for success, non-zero for failure. | |
138 | */ | |
139 | static int | |
140 | _transport_set_identify(struct MPT3SAS_ADAPTER *ioc, u16 handle, | |
141 | struct sas_identify *identify) | |
142 | { | |
143 | Mpi2SasDevicePage0_t sas_device_pg0; | |
144 | Mpi2ConfigReply_t mpi_reply; | |
145 | u32 device_info; | |
146 | u32 ioc_status; | |
147 | ||
148 | if (ioc->shost_recovery || ioc->pci_error_recovery) { | |
149 | pr_info(MPT3SAS_FMT "%s: host reset in progress!\n", | |
150 | __func__, ioc->name); | |
151 | return -EFAULT; | |
152 | } | |
153 | ||
154 | if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
155 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { | |
156 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
157 | ioc->name, __FILE__, __LINE__, __func__); | |
158 | return -ENXIO; | |
159 | } | |
160 | ||
161 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
162 | MPI2_IOCSTATUS_MASK; | |
163 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
164 | pr_err(MPT3SAS_FMT | |
165 | "handle(0x%04x), ioc_status(0x%04x)\nfailure at %s:%d/%s()!\n", | |
166 | ioc->name, handle, ioc_status, | |
167 | __FILE__, __LINE__, __func__); | |
168 | return -EIO; | |
169 | } | |
170 | ||
171 | memset(identify, 0, sizeof(struct sas_identify)); | |
172 | device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); | |
173 | ||
174 | /* sas_address */ | |
175 | identify->sas_address = le64_to_cpu(sas_device_pg0.SASAddress); | |
176 | ||
177 | /* phy number of the parent device this device is linked to */ | |
178 | identify->phy_identifier = sas_device_pg0.PhyNum; | |
179 | ||
180 | /* device_type */ | |
181 | switch (device_info & MPI2_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) { | |
182 | case MPI2_SAS_DEVICE_INFO_NO_DEVICE: | |
183 | identify->device_type = SAS_PHY_UNUSED; | |
184 | break; | |
185 | case MPI2_SAS_DEVICE_INFO_END_DEVICE: | |
186 | identify->device_type = SAS_END_DEVICE; | |
187 | break; | |
188 | case MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER: | |
189 | identify->device_type = SAS_EDGE_EXPANDER_DEVICE; | |
190 | break; | |
191 | case MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER: | |
192 | identify->device_type = SAS_FANOUT_EXPANDER_DEVICE; | |
193 | break; | |
194 | } | |
195 | ||
196 | /* initiator_port_protocols */ | |
197 | if (device_info & MPI2_SAS_DEVICE_INFO_SSP_INITIATOR) | |
198 | identify->initiator_port_protocols |= SAS_PROTOCOL_SSP; | |
199 | if (device_info & MPI2_SAS_DEVICE_INFO_STP_INITIATOR) | |
200 | identify->initiator_port_protocols |= SAS_PROTOCOL_STP; | |
201 | if (device_info & MPI2_SAS_DEVICE_INFO_SMP_INITIATOR) | |
202 | identify->initiator_port_protocols |= SAS_PROTOCOL_SMP; | |
203 | if (device_info & MPI2_SAS_DEVICE_INFO_SATA_HOST) | |
204 | identify->initiator_port_protocols |= SAS_PROTOCOL_SATA; | |
205 | ||
206 | /* target_port_protocols */ | |
207 | if (device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) | |
208 | identify->target_port_protocols |= SAS_PROTOCOL_SSP; | |
209 | if (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) | |
210 | identify->target_port_protocols |= SAS_PROTOCOL_STP; | |
211 | if (device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET) | |
212 | identify->target_port_protocols |= SAS_PROTOCOL_SMP; | |
213 | if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) | |
214 | identify->target_port_protocols |= SAS_PROTOCOL_SATA; | |
215 | ||
216 | return 0; | |
217 | } | |
218 | ||
219 | /** | |
220 | * mpt3sas_transport_done - internal transport layer callback handler. | |
221 | * @ioc: per adapter object | |
222 | * @smid: system request message index | |
223 | * @msix_index: MSIX table index supplied by the OS | |
224 | * @reply: reply message frame(lower 32bit addr) | |
225 | * | |
226 | * Callback handler when sending internal generated transport cmds. | |
227 | * The callback index passed is `ioc->transport_cb_idx` | |
228 | * | |
229 | * Return 1 meaning mf should be freed from _base_interrupt | |
230 | * 0 means the mf is freed from this function. | |
231 | */ | |
232 | u8 | |
233 | mpt3sas_transport_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, | |
234 | u32 reply) | |
235 | { | |
236 | MPI2DefaultReply_t *mpi_reply; | |
237 | ||
238 | mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply); | |
239 | if (ioc->transport_cmds.status == MPT3_CMD_NOT_USED) | |
240 | return 1; | |
241 | if (ioc->transport_cmds.smid != smid) | |
242 | return 1; | |
243 | ioc->transport_cmds.status |= MPT3_CMD_COMPLETE; | |
244 | if (mpi_reply) { | |
245 | memcpy(ioc->transport_cmds.reply, mpi_reply, | |
246 | mpi_reply->MsgLength*4); | |
247 | ioc->transport_cmds.status |= MPT3_CMD_REPLY_VALID; | |
248 | } | |
249 | ioc->transport_cmds.status &= ~MPT3_CMD_PENDING; | |
250 | complete(&ioc->transport_cmds.done); | |
251 | return 1; | |
252 | } | |
253 | ||
254 | /* report manufacture request structure */ | |
255 | struct rep_manu_request { | |
256 | u8 smp_frame_type; | |
257 | u8 function; | |
258 | u8 reserved; | |
259 | u8 request_length; | |
260 | }; | |
261 | ||
262 | /* report manufacture reply structure */ | |
263 | struct rep_manu_reply { | |
264 | u8 smp_frame_type; /* 0x41 */ | |
265 | u8 function; /* 0x01 */ | |
266 | u8 function_result; | |
267 | u8 response_length; | |
268 | u16 expander_change_count; | |
269 | u8 reserved0[2]; | |
270 | u8 sas_format; | |
271 | u8 reserved2[3]; | |
272 | u8 vendor_id[SAS_EXPANDER_VENDOR_ID_LEN]; | |
273 | u8 product_id[SAS_EXPANDER_PRODUCT_ID_LEN]; | |
274 | u8 product_rev[SAS_EXPANDER_PRODUCT_REV_LEN]; | |
275 | u8 component_vendor_id[SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN]; | |
276 | u16 component_id; | |
277 | u8 component_revision_id; | |
278 | u8 reserved3; | |
279 | u8 vendor_specific[8]; | |
280 | }; | |
281 | ||
282 | /** | |
283 | * transport_expander_report_manufacture - obtain SMP report_manufacture | |
284 | * @ioc: per adapter object | |
285 | * @sas_address: expander sas address | |
286 | * @edev: the sas_expander_device object | |
287 | * | |
288 | * Fills in the sas_expander_device object when SMP port is created. | |
289 | * | |
290 | * Returns 0 for success, non-zero for failure. | |
291 | */ | |
292 | static int | |
293 | _transport_expander_report_manufacture(struct MPT3SAS_ADAPTER *ioc, | |
294 | u64 sas_address, struct sas_expander_device *edev) | |
295 | { | |
296 | Mpi2SmpPassthroughRequest_t *mpi_request; | |
297 | Mpi2SmpPassthroughReply_t *mpi_reply; | |
298 | struct rep_manu_reply *manufacture_reply; | |
299 | struct rep_manu_request *manufacture_request; | |
300 | int rc; | |
301 | u16 smid; | |
302 | u32 ioc_state; | |
303 | unsigned long timeleft; | |
304 | void *psge; | |
305 | u8 issue_reset = 0; | |
306 | void *data_out = NULL; | |
307 | dma_addr_t data_out_dma; | |
308 | dma_addr_t data_in_dma; | |
309 | size_t data_in_sz; | |
310 | size_t data_out_sz; | |
311 | u16 wait_state_count; | |
312 | ||
313 | if (ioc->shost_recovery || ioc->pci_error_recovery) { | |
314 | pr_info(MPT3SAS_FMT "%s: host reset in progress!\n", | |
315 | __func__, ioc->name); | |
316 | return -EFAULT; | |
317 | } | |
318 | ||
319 | mutex_lock(&ioc->transport_cmds.mutex); | |
320 | ||
321 | if (ioc->transport_cmds.status != MPT3_CMD_NOT_USED) { | |
322 | pr_err(MPT3SAS_FMT "%s: transport_cmds in use\n", | |
323 | ioc->name, __func__); | |
324 | rc = -EAGAIN; | |
325 | goto out; | |
326 | } | |
327 | ioc->transport_cmds.status = MPT3_CMD_PENDING; | |
328 | ||
329 | wait_state_count = 0; | |
330 | ioc_state = mpt3sas_base_get_iocstate(ioc, 1); | |
331 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
332 | if (wait_state_count++ == 10) { | |
333 | pr_err(MPT3SAS_FMT | |
334 | "%s: failed due to ioc not operational\n", | |
335 | ioc->name, __func__); | |
336 | rc = -EFAULT; | |
337 | goto out; | |
338 | } | |
339 | ssleep(1); | |
340 | ioc_state = mpt3sas_base_get_iocstate(ioc, 1); | |
341 | pr_info(MPT3SAS_FMT | |
342 | "%s: waiting for operational state(count=%d)\n", | |
343 | ioc->name, __func__, wait_state_count); | |
344 | } | |
345 | if (wait_state_count) | |
346 | pr_info(MPT3SAS_FMT "%s: ioc is operational\n", | |
347 | ioc->name, __func__); | |
348 | ||
349 | smid = mpt3sas_base_get_smid(ioc, ioc->transport_cb_idx); | |
350 | if (!smid) { | |
351 | pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", | |
352 | ioc->name, __func__); | |
353 | rc = -EAGAIN; | |
354 | goto out; | |
355 | } | |
356 | ||
357 | rc = 0; | |
358 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); | |
359 | ioc->transport_cmds.smid = smid; | |
360 | ||
361 | data_out_sz = sizeof(struct rep_manu_request); | |
362 | data_in_sz = sizeof(struct rep_manu_reply); | |
363 | data_out = pci_alloc_consistent(ioc->pdev, data_out_sz + data_in_sz, | |
364 | &data_out_dma); | |
365 | ||
366 | if (!data_out) { | |
367 | pr_err("failure at %s:%d/%s()!\n", __FILE__, | |
368 | __LINE__, __func__); | |
369 | rc = -ENOMEM; | |
370 | mpt3sas_base_free_smid(ioc, smid); | |
371 | goto out; | |
372 | } | |
373 | ||
374 | data_in_dma = data_out_dma + sizeof(struct rep_manu_request); | |
375 | ||
376 | manufacture_request = data_out; | |
377 | manufacture_request->smp_frame_type = 0x40; | |
378 | manufacture_request->function = 1; | |
379 | manufacture_request->reserved = 0; | |
380 | manufacture_request->request_length = 0; | |
381 | ||
382 | memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t)); | |
383 | mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; | |
384 | mpi_request->PhysicalPort = 0xFF; | |
385 | mpi_request->SASAddress = cpu_to_le64(sas_address); | |
386 | mpi_request->RequestDataLength = cpu_to_le16(data_out_sz); | |
387 | psge = &mpi_request->SGL; | |
388 | ||
389 | ioc->build_sg(ioc, psge, data_out_dma, data_out_sz, data_in_dma, | |
390 | data_in_sz); | |
391 | ||
392 | dtransportprintk(ioc, pr_info(MPT3SAS_FMT | |
393 | "report_manufacture - send to sas_addr(0x%016llx)\n", | |
394 | ioc->name, (unsigned long long)sas_address)); | |
395 | init_completion(&ioc->transport_cmds.done); | |
396 | mpt3sas_base_put_smid_default(ioc, smid); | |
397 | timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done, | |
398 | 10*HZ); | |
399 | ||
400 | if (!(ioc->transport_cmds.status & MPT3_CMD_COMPLETE)) { | |
401 | pr_err(MPT3SAS_FMT "%s: timeout\n", | |
402 | ioc->name, __func__); | |
403 | _debug_dump_mf(mpi_request, | |
404 | sizeof(Mpi2SmpPassthroughRequest_t)/4); | |
405 | if (!(ioc->transport_cmds.status & MPT3_CMD_RESET)) | |
406 | issue_reset = 1; | |
407 | goto issue_host_reset; | |
408 | } | |
409 | ||
410 | dtransportprintk(ioc, pr_info(MPT3SAS_FMT | |
411 | "report_manufacture - complete\n", ioc->name)); | |
412 | ||
413 | if (ioc->transport_cmds.status & MPT3_CMD_REPLY_VALID) { | |
414 | u8 *tmp; | |
415 | ||
416 | mpi_reply = ioc->transport_cmds.reply; | |
417 | ||
418 | dtransportprintk(ioc, pr_info(MPT3SAS_FMT | |
419 | "report_manufacture - reply data transfer size(%d)\n", | |
420 | ioc->name, le16_to_cpu(mpi_reply->ResponseDataLength))); | |
421 | ||
422 | if (le16_to_cpu(mpi_reply->ResponseDataLength) != | |
423 | sizeof(struct rep_manu_reply)) | |
424 | goto out; | |
425 | ||
426 | manufacture_reply = data_out + sizeof(struct rep_manu_request); | |
427 | strncpy(edev->vendor_id, manufacture_reply->vendor_id, | |
428 | SAS_EXPANDER_VENDOR_ID_LEN); | |
429 | strncpy(edev->product_id, manufacture_reply->product_id, | |
430 | SAS_EXPANDER_PRODUCT_ID_LEN); | |
431 | strncpy(edev->product_rev, manufacture_reply->product_rev, | |
432 | SAS_EXPANDER_PRODUCT_REV_LEN); | |
433 | edev->level = manufacture_reply->sas_format & 1; | |
434 | if (edev->level) { | |
435 | strncpy(edev->component_vendor_id, | |
436 | manufacture_reply->component_vendor_id, | |
437 | SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN); | |
438 | tmp = (u8 *)&manufacture_reply->component_id; | |
439 | edev->component_id = tmp[0] << 8 | tmp[1]; | |
440 | edev->component_revision_id = | |
441 | manufacture_reply->component_revision_id; | |
442 | } | |
443 | } else | |
444 | dtransportprintk(ioc, pr_info(MPT3SAS_FMT | |
445 | "report_manufacture - no reply\n", ioc->name)); | |
446 | ||
447 | issue_host_reset: | |
448 | if (issue_reset) | |
98c56ad3 | 449 | mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); |
f92363d1 SR |
450 | out: |
451 | ioc->transport_cmds.status = MPT3_CMD_NOT_USED; | |
452 | if (data_out) | |
453 | pci_free_consistent(ioc->pdev, data_out_sz + data_in_sz, | |
454 | data_out, data_out_dma); | |
455 | ||
456 | mutex_unlock(&ioc->transport_cmds.mutex); | |
457 | return rc; | |
458 | } | |
459 | ||
460 | ||
461 | /** | |
462 | * _transport_delete_port - helper function to removing a port | |
463 | * @ioc: per adapter object | |
464 | * @mpt3sas_port: mpt3sas per port object | |
465 | * | |
466 | * Returns nothing. | |
467 | */ | |
468 | static void | |
469 | _transport_delete_port(struct MPT3SAS_ADAPTER *ioc, | |
470 | struct _sas_port *mpt3sas_port) | |
471 | { | |
472 | u64 sas_address = mpt3sas_port->remote_identify.sas_address; | |
473 | enum sas_device_type device_type = | |
474 | mpt3sas_port->remote_identify.device_type; | |
475 | ||
476 | dev_printk(KERN_INFO, &mpt3sas_port->port->dev, | |
477 | "remove: sas_addr(0x%016llx)\n", | |
478 | (unsigned long long) sas_address); | |
479 | ||
480 | ioc->logging_level |= MPT_DEBUG_TRANSPORT; | |
481 | if (device_type == SAS_END_DEVICE) | |
482 | mpt3sas_device_remove_by_sas_address(ioc, sas_address); | |
483 | else if (device_type == SAS_EDGE_EXPANDER_DEVICE || | |
484 | device_type == SAS_FANOUT_EXPANDER_DEVICE) | |
485 | mpt3sas_expander_remove(ioc, sas_address); | |
486 | ioc->logging_level &= ~MPT_DEBUG_TRANSPORT; | |
487 | } | |
488 | ||
489 | /** | |
490 | * _transport_delete_phy - helper function to removing single phy from port | |
491 | * @ioc: per adapter object | |
492 | * @mpt3sas_port: mpt3sas per port object | |
493 | * @mpt3sas_phy: mpt3sas per phy object | |
494 | * | |
495 | * Returns nothing. | |
496 | */ | |
497 | static void | |
498 | _transport_delete_phy(struct MPT3SAS_ADAPTER *ioc, | |
499 | struct _sas_port *mpt3sas_port, struct _sas_phy *mpt3sas_phy) | |
500 | { | |
501 | u64 sas_address = mpt3sas_port->remote_identify.sas_address; | |
502 | ||
503 | dev_printk(KERN_INFO, &mpt3sas_phy->phy->dev, | |
504 | "remove: sas_addr(0x%016llx), phy(%d)\n", | |
505 | (unsigned long long) sas_address, mpt3sas_phy->phy_id); | |
506 | ||
507 | list_del(&mpt3sas_phy->port_siblings); | |
508 | mpt3sas_port->num_phys--; | |
509 | sas_port_delete_phy(mpt3sas_port->port, mpt3sas_phy->phy); | |
510 | mpt3sas_phy->phy_belongs_to_port = 0; | |
511 | } | |
512 | ||
513 | /** | |
514 | * _transport_add_phy - helper function to adding single phy to port | |
515 | * @ioc: per adapter object | |
516 | * @mpt3sas_port: mpt3sas per port object | |
517 | * @mpt3sas_phy: mpt3sas per phy object | |
518 | * | |
519 | * Returns nothing. | |
520 | */ | |
521 | static void | |
522 | _transport_add_phy(struct MPT3SAS_ADAPTER *ioc, struct _sas_port *mpt3sas_port, | |
523 | struct _sas_phy *mpt3sas_phy) | |
524 | { | |
525 | u64 sas_address = mpt3sas_port->remote_identify.sas_address; | |
526 | ||
527 | dev_printk(KERN_INFO, &mpt3sas_phy->phy->dev, | |
528 | "add: sas_addr(0x%016llx), phy(%d)\n", (unsigned long long) | |
529 | sas_address, mpt3sas_phy->phy_id); | |
530 | ||
531 | list_add_tail(&mpt3sas_phy->port_siblings, &mpt3sas_port->phy_list); | |
532 | mpt3sas_port->num_phys++; | |
533 | sas_port_add_phy(mpt3sas_port->port, mpt3sas_phy->phy); | |
534 | mpt3sas_phy->phy_belongs_to_port = 1; | |
535 | } | |
536 | ||
537 | /** | |
538 | * _transport_add_phy_to_an_existing_port - adding new phy to existing port | |
539 | * @ioc: per adapter object | |
540 | * @sas_node: sas node object (either expander or sas host) | |
541 | * @mpt3sas_phy: mpt3sas per phy object | |
542 | * @sas_address: sas address of device/expander were phy needs to be added to | |
543 | * | |
544 | * Returns nothing. | |
545 | */ | |
546 | static void | |
547 | _transport_add_phy_to_an_existing_port(struct MPT3SAS_ADAPTER *ioc, | |
548 | struct _sas_node *sas_node, struct _sas_phy *mpt3sas_phy, | |
549 | u64 sas_address) | |
550 | { | |
551 | struct _sas_port *mpt3sas_port; | |
552 | struct _sas_phy *phy_srch; | |
553 | ||
554 | if (mpt3sas_phy->phy_belongs_to_port == 1) | |
555 | return; | |
556 | ||
557 | list_for_each_entry(mpt3sas_port, &sas_node->sas_port_list, | |
558 | port_list) { | |
559 | if (mpt3sas_port->remote_identify.sas_address != | |
560 | sas_address) | |
561 | continue; | |
562 | list_for_each_entry(phy_srch, &mpt3sas_port->phy_list, | |
563 | port_siblings) { | |
564 | if (phy_srch == mpt3sas_phy) | |
565 | return; | |
566 | } | |
567 | _transport_add_phy(ioc, mpt3sas_port, mpt3sas_phy); | |
568 | return; | |
569 | } | |
570 | ||
571 | } | |
572 | ||
573 | /** | |
574 | * _transport_del_phy_from_an_existing_port - delete phy from existing port | |
575 | * @ioc: per adapter object | |
576 | * @sas_node: sas node object (either expander or sas host) | |
577 | * @mpt3sas_phy: mpt3sas per phy object | |
578 | * | |
579 | * Returns nothing. | |
580 | */ | |
581 | static void | |
582 | _transport_del_phy_from_an_existing_port(struct MPT3SAS_ADAPTER *ioc, | |
583 | struct _sas_node *sas_node, struct _sas_phy *mpt3sas_phy) | |
584 | { | |
585 | struct _sas_port *mpt3sas_port, *next; | |
586 | struct _sas_phy *phy_srch; | |
587 | ||
588 | if (mpt3sas_phy->phy_belongs_to_port == 0) | |
589 | return; | |
590 | ||
591 | list_for_each_entry_safe(mpt3sas_port, next, &sas_node->sas_port_list, | |
592 | port_list) { | |
593 | list_for_each_entry(phy_srch, &mpt3sas_port->phy_list, | |
594 | port_siblings) { | |
595 | if (phy_srch != mpt3sas_phy) | |
596 | continue; | |
597 | ||
598 | if (mpt3sas_port->num_phys == 1) | |
599 | _transport_delete_port(ioc, mpt3sas_port); | |
600 | else | |
601 | _transport_delete_phy(ioc, mpt3sas_port, | |
602 | mpt3sas_phy); | |
603 | return; | |
604 | } | |
605 | } | |
606 | } | |
607 | ||
608 | /** | |
609 | * _transport_sanity_check - sanity check when adding a new port | |
610 | * @ioc: per adapter object | |
611 | * @sas_node: sas node object (either expander or sas host) | |
612 | * @sas_address: sas address of device being added | |
613 | * | |
614 | * See the explanation above from _transport_delete_duplicate_port | |
615 | */ | |
616 | static void | |
617 | _transport_sanity_check(struct MPT3SAS_ADAPTER *ioc, struct _sas_node *sas_node, | |
618 | u64 sas_address) | |
619 | { | |
620 | int i; | |
621 | ||
622 | for (i = 0; i < sas_node->num_phys; i++) { | |
623 | if (sas_node->phy[i].remote_identify.sas_address != sas_address) | |
624 | continue; | |
625 | if (sas_node->phy[i].phy_belongs_to_port == 1) | |
626 | _transport_del_phy_from_an_existing_port(ioc, sas_node, | |
627 | &sas_node->phy[i]); | |
628 | } | |
629 | } | |
630 | ||
631 | /** | |
632 | * mpt3sas_transport_port_add - insert port to the list | |
633 | * @ioc: per adapter object | |
634 | * @handle: handle of attached device | |
635 | * @sas_address: sas address of parent expander or sas host | |
636 | * Context: This function will acquire ioc->sas_node_lock. | |
637 | * | |
638 | * Adding new port object to the sas_node->sas_port_list. | |
639 | * | |
640 | * Returns mpt3sas_port. | |
641 | */ | |
642 | struct _sas_port * | |
643 | mpt3sas_transport_port_add(struct MPT3SAS_ADAPTER *ioc, u16 handle, | |
644 | u64 sas_address) | |
645 | { | |
646 | struct _sas_phy *mpt3sas_phy, *next; | |
647 | struct _sas_port *mpt3sas_port; | |
648 | unsigned long flags; | |
649 | struct _sas_node *sas_node; | |
650 | struct sas_rphy *rphy; | |
e4bc7f5c | 651 | struct _sas_device *sas_device = NULL; |
f92363d1 SR |
652 | int i; |
653 | struct sas_port *port; | |
654 | ||
655 | mpt3sas_port = kzalloc(sizeof(struct _sas_port), | |
656 | GFP_KERNEL); | |
657 | if (!mpt3sas_port) { | |
658 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
659 | ioc->name, __FILE__, __LINE__, __func__); | |
660 | return NULL; | |
661 | } | |
662 | ||
663 | INIT_LIST_HEAD(&mpt3sas_port->port_list); | |
664 | INIT_LIST_HEAD(&mpt3sas_port->phy_list); | |
665 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
666 | sas_node = _transport_sas_node_find_by_sas_address(ioc, sas_address); | |
667 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
668 | ||
669 | if (!sas_node) { | |
670 | pr_err(MPT3SAS_FMT | |
671 | "%s: Could not find parent sas_address(0x%016llx)!\n", | |
672 | ioc->name, __func__, (unsigned long long)sas_address); | |
673 | goto out_fail; | |
674 | } | |
675 | ||
676 | if ((_transport_set_identify(ioc, handle, | |
677 | &mpt3sas_port->remote_identify))) { | |
678 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
679 | ioc->name, __FILE__, __LINE__, __func__); | |
680 | goto out_fail; | |
681 | } | |
682 | ||
683 | if (mpt3sas_port->remote_identify.device_type == SAS_PHY_UNUSED) { | |
684 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
685 | ioc->name, __FILE__, __LINE__, __func__); | |
686 | goto out_fail; | |
687 | } | |
688 | ||
689 | _transport_sanity_check(ioc, sas_node, | |
690 | mpt3sas_port->remote_identify.sas_address); | |
691 | ||
692 | for (i = 0; i < sas_node->num_phys; i++) { | |
693 | if (sas_node->phy[i].remote_identify.sas_address != | |
694 | mpt3sas_port->remote_identify.sas_address) | |
695 | continue; | |
696 | list_add_tail(&sas_node->phy[i].port_siblings, | |
697 | &mpt3sas_port->phy_list); | |
698 | mpt3sas_port->num_phys++; | |
699 | } | |
700 | ||
701 | if (!mpt3sas_port->num_phys) { | |
702 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
703 | ioc->name, __FILE__, __LINE__, __func__); | |
704 | goto out_fail; | |
705 | } | |
706 | ||
ad2bf165 JL |
707 | if (!sas_node->parent_dev) { |
708 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
709 | ioc->name, __FILE__, __LINE__, __func__); | |
710 | goto out_fail; | |
711 | } | |
f92363d1 SR |
712 | port = sas_port_alloc_num(sas_node->parent_dev); |
713 | if ((sas_port_add(port))) { | |
714 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
715 | ioc->name, __FILE__, __LINE__, __func__); | |
716 | goto out_fail; | |
717 | } | |
718 | ||
719 | list_for_each_entry(mpt3sas_phy, &mpt3sas_port->phy_list, | |
720 | port_siblings) { | |
721 | if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) | |
722 | dev_printk(KERN_INFO, &port->dev, | |
723 | "add: handle(0x%04x), sas_addr(0x%016llx), phy(%d)\n", | |
724 | handle, (unsigned long long) | |
725 | mpt3sas_port->remote_identify.sas_address, | |
726 | mpt3sas_phy->phy_id); | |
727 | sas_port_add_phy(port, mpt3sas_phy->phy); | |
728 | mpt3sas_phy->phy_belongs_to_port = 1; | |
729 | } | |
730 | ||
731 | mpt3sas_port->port = port; | |
732 | if (mpt3sas_port->remote_identify.device_type == SAS_END_DEVICE) | |
733 | rphy = sas_end_device_alloc(port); | |
734 | else | |
735 | rphy = sas_expander_alloc(port, | |
736 | mpt3sas_port->remote_identify.device_type); | |
737 | ||
738 | rphy->identify = mpt3sas_port->remote_identify; | |
e4bc7f5c SR |
739 | |
740 | if (mpt3sas_port->remote_identify.device_type == SAS_END_DEVICE) { | |
d1cb5e49 | 741 | sas_device = mpt3sas_get_sdev_by_addr(ioc, |
e4bc7f5c SR |
742 | mpt3sas_port->remote_identify.sas_address); |
743 | if (!sas_device) { | |
744 | dfailprintk(ioc, printk(MPT3SAS_FMT | |
745 | "failure at %s:%d/%s()!\n", | |
746 | ioc->name, __FILE__, __LINE__, __func__)); | |
747 | goto out_fail; | |
748 | } | |
749 | sas_device->pend_sas_rphy_add = 1; | |
750 | } | |
751 | ||
f92363d1 SR |
752 | if ((sas_rphy_add(rphy))) { |
753 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
754 | ioc->name, __FILE__, __LINE__, __func__); | |
755 | } | |
e4bc7f5c | 756 | |
d1cb5e49 | 757 | if (mpt3sas_port->remote_identify.device_type == SAS_END_DEVICE) { |
e4bc7f5c | 758 | sas_device->pend_sas_rphy_add = 0; |
d1cb5e49 SR |
759 | sas_device_put(sas_device); |
760 | } | |
e4bc7f5c | 761 | |
f92363d1 SR |
762 | if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) |
763 | dev_printk(KERN_INFO, &rphy->dev, | |
764 | "add: handle(0x%04x), sas_addr(0x%016llx)\n", | |
765 | handle, (unsigned long long) | |
766 | mpt3sas_port->remote_identify.sas_address); | |
767 | mpt3sas_port->rphy = rphy; | |
768 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
769 | list_add_tail(&mpt3sas_port->port_list, &sas_node->sas_port_list); | |
770 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
771 | ||
772 | /* fill in report manufacture */ | |
773 | if (mpt3sas_port->remote_identify.device_type == | |
774 | MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER || | |
775 | mpt3sas_port->remote_identify.device_type == | |
776 | MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER) | |
777 | _transport_expander_report_manufacture(ioc, | |
778 | mpt3sas_port->remote_identify.sas_address, | |
779 | rphy_to_expander_device(rphy)); | |
780 | return mpt3sas_port; | |
781 | ||
782 | out_fail: | |
783 | list_for_each_entry_safe(mpt3sas_phy, next, &mpt3sas_port->phy_list, | |
784 | port_siblings) | |
785 | list_del(&mpt3sas_phy->port_siblings); | |
786 | kfree(mpt3sas_port); | |
787 | return NULL; | |
788 | } | |
789 | ||
790 | /** | |
791 | * mpt3sas_transport_port_remove - remove port from the list | |
792 | * @ioc: per adapter object | |
793 | * @sas_address: sas address of attached device | |
794 | * @sas_address_parent: sas address of parent expander or sas host | |
795 | * Context: This function will acquire ioc->sas_node_lock. | |
796 | * | |
797 | * Removing object and freeing associated memory from the | |
798 | * ioc->sas_port_list. | |
799 | * | |
800 | * Return nothing. | |
801 | */ | |
802 | void | |
803 | mpt3sas_transport_port_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address, | |
804 | u64 sas_address_parent) | |
805 | { | |
806 | int i; | |
807 | unsigned long flags; | |
808 | struct _sas_port *mpt3sas_port, *next; | |
809 | struct _sas_node *sas_node; | |
810 | u8 found = 0; | |
811 | struct _sas_phy *mpt3sas_phy, *next_phy; | |
812 | ||
813 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
814 | sas_node = _transport_sas_node_find_by_sas_address(ioc, | |
815 | sas_address_parent); | |
816 | if (!sas_node) { | |
817 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
818 | return; | |
819 | } | |
820 | list_for_each_entry_safe(mpt3sas_port, next, &sas_node->sas_port_list, | |
821 | port_list) { | |
822 | if (mpt3sas_port->remote_identify.sas_address != sas_address) | |
823 | continue; | |
824 | found = 1; | |
825 | list_del(&mpt3sas_port->port_list); | |
826 | goto out; | |
827 | } | |
828 | out: | |
829 | if (!found) { | |
830 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
831 | return; | |
832 | } | |
833 | ||
834 | for (i = 0; i < sas_node->num_phys; i++) { | |
835 | if (sas_node->phy[i].remote_identify.sas_address == sas_address) | |
836 | memset(&sas_node->phy[i].remote_identify, 0 , | |
837 | sizeof(struct sas_identify)); | |
838 | } | |
839 | ||
840 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
841 | ||
842 | list_for_each_entry_safe(mpt3sas_phy, next_phy, | |
843 | &mpt3sas_port->phy_list, port_siblings) { | |
844 | if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) | |
845 | dev_printk(KERN_INFO, &mpt3sas_port->port->dev, | |
846 | "remove: sas_addr(0x%016llx), phy(%d)\n", | |
847 | (unsigned long long) | |
848 | mpt3sas_port->remote_identify.sas_address, | |
849 | mpt3sas_phy->phy_id); | |
850 | mpt3sas_phy->phy_belongs_to_port = 0; | |
851 | sas_port_delete_phy(mpt3sas_port->port, mpt3sas_phy->phy); | |
852 | list_del(&mpt3sas_phy->port_siblings); | |
853 | } | |
854 | sas_port_delete(mpt3sas_port->port); | |
855 | kfree(mpt3sas_port); | |
856 | } | |
857 | ||
858 | /** | |
859 | * mpt3sas_transport_add_host_phy - report sas_host phy to transport | |
860 | * @ioc: per adapter object | |
861 | * @mpt3sas_phy: mpt3sas per phy object | |
862 | * @phy_pg0: sas phy page 0 | |
863 | * @parent_dev: parent device class object | |
864 | * | |
865 | * Returns 0 for success, non-zero for failure. | |
866 | */ | |
867 | int | |
868 | mpt3sas_transport_add_host_phy(struct MPT3SAS_ADAPTER *ioc, struct _sas_phy | |
869 | *mpt3sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev) | |
870 | { | |
871 | struct sas_phy *phy; | |
872 | int phy_index = mpt3sas_phy->phy_id; | |
873 | ||
874 | ||
875 | INIT_LIST_HEAD(&mpt3sas_phy->port_siblings); | |
876 | phy = sas_phy_alloc(parent_dev, phy_index); | |
877 | if (!phy) { | |
878 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
879 | ioc->name, __FILE__, __LINE__, __func__); | |
880 | return -1; | |
881 | } | |
882 | if ((_transport_set_identify(ioc, mpt3sas_phy->handle, | |
883 | &mpt3sas_phy->identify))) { | |
884 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
885 | ioc->name, __FILE__, __LINE__, __func__); | |
886 | sas_phy_free(phy); | |
887 | return -1; | |
888 | } | |
889 | phy->identify = mpt3sas_phy->identify; | |
890 | mpt3sas_phy->attached_handle = le16_to_cpu(phy_pg0.AttachedDevHandle); | |
891 | if (mpt3sas_phy->attached_handle) | |
892 | _transport_set_identify(ioc, mpt3sas_phy->attached_handle, | |
893 | &mpt3sas_phy->remote_identify); | |
894 | phy->identify.phy_identifier = mpt3sas_phy->phy_id; | |
895 | phy->negotiated_linkrate = _transport_convert_phy_link_rate( | |
896 | phy_pg0.NegotiatedLinkRate & MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL); | |
897 | phy->minimum_linkrate_hw = _transport_convert_phy_link_rate( | |
898 | phy_pg0.HwLinkRate & MPI2_SAS_HWRATE_MIN_RATE_MASK); | |
899 | phy->maximum_linkrate_hw = _transport_convert_phy_link_rate( | |
900 | phy_pg0.HwLinkRate >> 4); | |
901 | phy->minimum_linkrate = _transport_convert_phy_link_rate( | |
902 | phy_pg0.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK); | |
903 | phy->maximum_linkrate = _transport_convert_phy_link_rate( | |
904 | phy_pg0.ProgrammedLinkRate >> 4); | |
905 | ||
906 | if ((sas_phy_add(phy))) { | |
907 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
908 | ioc->name, __FILE__, __LINE__, __func__); | |
909 | sas_phy_free(phy); | |
910 | return -1; | |
911 | } | |
912 | if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) | |
913 | dev_printk(KERN_INFO, &phy->dev, | |
914 | "add: handle(0x%04x), sas_addr(0x%016llx)\n" | |
915 | "\tattached_handle(0x%04x), sas_addr(0x%016llx)\n", | |
916 | mpt3sas_phy->handle, (unsigned long long) | |
917 | mpt3sas_phy->identify.sas_address, | |
918 | mpt3sas_phy->attached_handle, | |
919 | (unsigned long long) | |
920 | mpt3sas_phy->remote_identify.sas_address); | |
921 | mpt3sas_phy->phy = phy; | |
922 | return 0; | |
923 | } | |
924 | ||
925 | ||
926 | /** | |
927 | * mpt3sas_transport_add_expander_phy - report expander phy to transport | |
928 | * @ioc: per adapter object | |
929 | * @mpt3sas_phy: mpt3sas per phy object | |
930 | * @expander_pg1: expander page 1 | |
931 | * @parent_dev: parent device class object | |
932 | * | |
933 | * Returns 0 for success, non-zero for failure. | |
934 | */ | |
935 | int | |
936 | mpt3sas_transport_add_expander_phy(struct MPT3SAS_ADAPTER *ioc, struct _sas_phy | |
937 | *mpt3sas_phy, Mpi2ExpanderPage1_t expander_pg1, | |
938 | struct device *parent_dev) | |
939 | { | |
940 | struct sas_phy *phy; | |
941 | int phy_index = mpt3sas_phy->phy_id; | |
942 | ||
943 | INIT_LIST_HEAD(&mpt3sas_phy->port_siblings); | |
944 | phy = sas_phy_alloc(parent_dev, phy_index); | |
945 | if (!phy) { | |
946 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
947 | ioc->name, __FILE__, __LINE__, __func__); | |
948 | return -1; | |
949 | } | |
950 | if ((_transport_set_identify(ioc, mpt3sas_phy->handle, | |
951 | &mpt3sas_phy->identify))) { | |
952 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
953 | ioc->name, __FILE__, __LINE__, __func__); | |
954 | sas_phy_free(phy); | |
955 | return -1; | |
956 | } | |
957 | phy->identify = mpt3sas_phy->identify; | |
958 | mpt3sas_phy->attached_handle = | |
959 | le16_to_cpu(expander_pg1.AttachedDevHandle); | |
960 | if (mpt3sas_phy->attached_handle) | |
961 | _transport_set_identify(ioc, mpt3sas_phy->attached_handle, | |
962 | &mpt3sas_phy->remote_identify); | |
963 | phy->identify.phy_identifier = mpt3sas_phy->phy_id; | |
964 | phy->negotiated_linkrate = _transport_convert_phy_link_rate( | |
965 | expander_pg1.NegotiatedLinkRate & | |
966 | MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL); | |
967 | phy->minimum_linkrate_hw = _transport_convert_phy_link_rate( | |
968 | expander_pg1.HwLinkRate & MPI2_SAS_HWRATE_MIN_RATE_MASK); | |
969 | phy->maximum_linkrate_hw = _transport_convert_phy_link_rate( | |
970 | expander_pg1.HwLinkRate >> 4); | |
971 | phy->minimum_linkrate = _transport_convert_phy_link_rate( | |
972 | expander_pg1.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK); | |
973 | phy->maximum_linkrate = _transport_convert_phy_link_rate( | |
974 | expander_pg1.ProgrammedLinkRate >> 4); | |
975 | ||
976 | if ((sas_phy_add(phy))) { | |
977 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
978 | ioc->name, __FILE__, __LINE__, __func__); | |
979 | sas_phy_free(phy); | |
980 | return -1; | |
981 | } | |
982 | if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) | |
983 | dev_printk(KERN_INFO, &phy->dev, | |
984 | "add: handle(0x%04x), sas_addr(0x%016llx)\n" | |
985 | "\tattached_handle(0x%04x), sas_addr(0x%016llx)\n", | |
986 | mpt3sas_phy->handle, (unsigned long long) | |
987 | mpt3sas_phy->identify.sas_address, | |
988 | mpt3sas_phy->attached_handle, | |
989 | (unsigned long long) | |
990 | mpt3sas_phy->remote_identify.sas_address); | |
991 | mpt3sas_phy->phy = phy; | |
992 | return 0; | |
993 | } | |
994 | ||
995 | /** | |
996 | * mpt3sas_transport_update_links - refreshing phy link changes | |
997 | * @ioc: per adapter object | |
998 | * @sas_address: sas address of parent expander or sas host | |
999 | * @handle: attached device handle | |
1000 | * @phy_numberv: phy number | |
1001 | * @link_rate: new link rate | |
1002 | * | |
1003 | * Returns nothing. | |
1004 | */ | |
1005 | void | |
1006 | mpt3sas_transport_update_links(struct MPT3SAS_ADAPTER *ioc, | |
1007 | u64 sas_address, u16 handle, u8 phy_number, u8 link_rate) | |
1008 | { | |
1009 | unsigned long flags; | |
1010 | struct _sas_node *sas_node; | |
1011 | struct _sas_phy *mpt3sas_phy; | |
1012 | ||
1013 | if (ioc->shost_recovery || ioc->pci_error_recovery) | |
1014 | return; | |
1015 | ||
1016 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
1017 | sas_node = _transport_sas_node_find_by_sas_address(ioc, sas_address); | |
1018 | if (!sas_node) { | |
1019 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
1020 | return; | |
1021 | } | |
1022 | ||
1023 | mpt3sas_phy = &sas_node->phy[phy_number]; | |
1024 | mpt3sas_phy->attached_handle = handle; | |
1025 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
1026 | if (handle && (link_rate >= MPI2_SAS_NEG_LINK_RATE_1_5)) { | |
1027 | _transport_set_identify(ioc, handle, | |
1028 | &mpt3sas_phy->remote_identify); | |
1029 | _transport_add_phy_to_an_existing_port(ioc, sas_node, | |
1030 | mpt3sas_phy, mpt3sas_phy->remote_identify.sas_address); | |
2311ce4d | 1031 | } else |
f92363d1 SR |
1032 | memset(&mpt3sas_phy->remote_identify, 0 , sizeof(struct |
1033 | sas_identify)); | |
1034 | ||
1035 | if (mpt3sas_phy->phy) | |
1036 | mpt3sas_phy->phy->negotiated_linkrate = | |
1037 | _transport_convert_phy_link_rate(link_rate); | |
1038 | ||
1039 | if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) | |
1040 | dev_printk(KERN_INFO, &mpt3sas_phy->phy->dev, | |
1041 | "refresh: parent sas_addr(0x%016llx),\n" | |
1042 | "\tlink_rate(0x%02x), phy(%d)\n" | |
1043 | "\tattached_handle(0x%04x), sas_addr(0x%016llx)\n", | |
1044 | (unsigned long long)sas_address, | |
1045 | link_rate, phy_number, handle, (unsigned long long) | |
1046 | mpt3sas_phy->remote_identify.sas_address); | |
1047 | } | |
1048 | ||
1049 | static inline void * | |
1050 | phy_to_ioc(struct sas_phy *phy) | |
1051 | { | |
1052 | struct Scsi_Host *shost = dev_to_shost(phy->dev.parent); | |
1053 | return shost_priv(shost); | |
1054 | } | |
1055 | ||
1056 | static inline void * | |
1057 | rphy_to_ioc(struct sas_rphy *rphy) | |
1058 | { | |
1059 | struct Scsi_Host *shost = dev_to_shost(rphy->dev.parent->parent); | |
1060 | return shost_priv(shost); | |
1061 | } | |
1062 | ||
1063 | /* report phy error log structure */ | |
1064 | struct phy_error_log_request { | |
1065 | u8 smp_frame_type; /* 0x40 */ | |
1066 | u8 function; /* 0x11 */ | |
1067 | u8 allocated_response_length; | |
1068 | u8 request_length; /* 02 */ | |
1069 | u8 reserved_1[5]; | |
1070 | u8 phy_identifier; | |
1071 | u8 reserved_2[2]; | |
1072 | }; | |
1073 | ||
1074 | /* report phy error log reply structure */ | |
1075 | struct phy_error_log_reply { | |
1076 | u8 smp_frame_type; /* 0x41 */ | |
1077 | u8 function; /* 0x11 */ | |
1078 | u8 function_result; | |
1079 | u8 response_length; | |
1080 | __be16 expander_change_count; | |
1081 | u8 reserved_1[3]; | |
1082 | u8 phy_identifier; | |
1083 | u8 reserved_2[2]; | |
1084 | __be32 invalid_dword; | |
1085 | __be32 running_disparity_error; | |
1086 | __be32 loss_of_dword_sync; | |
1087 | __be32 phy_reset_problem; | |
1088 | }; | |
1089 | ||
1090 | /** | |
1091 | * _transport_get_expander_phy_error_log - return expander counters | |
1092 | * @ioc: per adapter object | |
1093 | * @phy: The sas phy object | |
1094 | * | |
1095 | * Returns 0 for success, non-zero for failure. | |
1096 | * | |
1097 | */ | |
1098 | static int | |
1099 | _transport_get_expander_phy_error_log(struct MPT3SAS_ADAPTER *ioc, | |
1100 | struct sas_phy *phy) | |
1101 | { | |
1102 | Mpi2SmpPassthroughRequest_t *mpi_request; | |
1103 | Mpi2SmpPassthroughReply_t *mpi_reply; | |
1104 | struct phy_error_log_request *phy_error_log_request; | |
1105 | struct phy_error_log_reply *phy_error_log_reply; | |
1106 | int rc; | |
1107 | u16 smid; | |
1108 | u32 ioc_state; | |
1109 | unsigned long timeleft; | |
1110 | void *psge; | |
1111 | u8 issue_reset = 0; | |
1112 | void *data_out = NULL; | |
1113 | dma_addr_t data_out_dma; | |
1114 | u32 sz; | |
1115 | u16 wait_state_count; | |
1116 | ||
1117 | if (ioc->shost_recovery || ioc->pci_error_recovery) { | |
1118 | pr_info(MPT3SAS_FMT "%s: host reset in progress!\n", | |
1119 | __func__, ioc->name); | |
1120 | return -EFAULT; | |
1121 | } | |
1122 | ||
1123 | mutex_lock(&ioc->transport_cmds.mutex); | |
1124 | ||
1125 | if (ioc->transport_cmds.status != MPT3_CMD_NOT_USED) { | |
1126 | pr_err(MPT3SAS_FMT "%s: transport_cmds in use\n", | |
1127 | ioc->name, __func__); | |
1128 | rc = -EAGAIN; | |
1129 | goto out; | |
1130 | } | |
1131 | ioc->transport_cmds.status = MPT3_CMD_PENDING; | |
1132 | ||
1133 | wait_state_count = 0; | |
1134 | ioc_state = mpt3sas_base_get_iocstate(ioc, 1); | |
1135 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
1136 | if (wait_state_count++ == 10) { | |
1137 | pr_err(MPT3SAS_FMT | |
1138 | "%s: failed due to ioc not operational\n", | |
1139 | ioc->name, __func__); | |
1140 | rc = -EFAULT; | |
1141 | goto out; | |
1142 | } | |
1143 | ssleep(1); | |
1144 | ioc_state = mpt3sas_base_get_iocstate(ioc, 1); | |
1145 | pr_info(MPT3SAS_FMT | |
1146 | "%s: waiting for operational state(count=%d)\n", | |
1147 | ioc->name, __func__, wait_state_count); | |
1148 | } | |
1149 | if (wait_state_count) | |
1150 | pr_info(MPT3SAS_FMT "%s: ioc is operational\n", | |
1151 | ioc->name, __func__); | |
1152 | ||
1153 | smid = mpt3sas_base_get_smid(ioc, ioc->transport_cb_idx); | |
1154 | if (!smid) { | |
1155 | pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", | |
1156 | ioc->name, __func__); | |
1157 | rc = -EAGAIN; | |
1158 | goto out; | |
1159 | } | |
1160 | ||
1161 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); | |
1162 | ioc->transport_cmds.smid = smid; | |
1163 | ||
1164 | sz = sizeof(struct phy_error_log_request) + | |
1165 | sizeof(struct phy_error_log_reply); | |
1166 | data_out = pci_alloc_consistent(ioc->pdev, sz, &data_out_dma); | |
1167 | if (!data_out) { | |
1168 | pr_err("failure at %s:%d/%s()!\n", __FILE__, | |
1169 | __LINE__, __func__); | |
1170 | rc = -ENOMEM; | |
1171 | mpt3sas_base_free_smid(ioc, smid); | |
1172 | goto out; | |
1173 | } | |
1174 | ||
1175 | rc = -EINVAL; | |
1176 | memset(data_out, 0, sz); | |
1177 | phy_error_log_request = data_out; | |
1178 | phy_error_log_request->smp_frame_type = 0x40; | |
1179 | phy_error_log_request->function = 0x11; | |
1180 | phy_error_log_request->request_length = 2; | |
1181 | phy_error_log_request->allocated_response_length = 0; | |
1182 | phy_error_log_request->phy_identifier = phy->number; | |
1183 | ||
1184 | memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t)); | |
1185 | mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; | |
1186 | mpi_request->PhysicalPort = 0xFF; | |
1187 | mpi_request->VF_ID = 0; /* TODO */ | |
1188 | mpi_request->VP_ID = 0; | |
1189 | mpi_request->SASAddress = cpu_to_le64(phy->identify.sas_address); | |
1190 | mpi_request->RequestDataLength = | |
1191 | cpu_to_le16(sizeof(struct phy_error_log_request)); | |
1192 | psge = &mpi_request->SGL; | |
1193 | ||
1194 | ioc->build_sg(ioc, psge, data_out_dma, | |
1195 | sizeof(struct phy_error_log_request), | |
1196 | data_out_dma + sizeof(struct phy_error_log_request), | |
1197 | sizeof(struct phy_error_log_reply)); | |
1198 | ||
1199 | dtransportprintk(ioc, pr_info(MPT3SAS_FMT | |
1200 | "phy_error_log - send to sas_addr(0x%016llx), phy(%d)\n", | |
1201 | ioc->name, (unsigned long long)phy->identify.sas_address, | |
1202 | phy->number)); | |
1203 | init_completion(&ioc->transport_cmds.done); | |
1204 | mpt3sas_base_put_smid_default(ioc, smid); | |
1205 | timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done, | |
1206 | 10*HZ); | |
1207 | ||
1208 | if (!(ioc->transport_cmds.status & MPT3_CMD_COMPLETE)) { | |
1209 | pr_err(MPT3SAS_FMT "%s: timeout\n", | |
1210 | ioc->name, __func__); | |
1211 | _debug_dump_mf(mpi_request, | |
1212 | sizeof(Mpi2SmpPassthroughRequest_t)/4); | |
1213 | if (!(ioc->transport_cmds.status & MPT3_CMD_RESET)) | |
1214 | issue_reset = 1; | |
1215 | goto issue_host_reset; | |
1216 | } | |
1217 | ||
1218 | dtransportprintk(ioc, pr_info(MPT3SAS_FMT | |
1219 | "phy_error_log - complete\n", ioc->name)); | |
1220 | ||
1221 | if (ioc->transport_cmds.status & MPT3_CMD_REPLY_VALID) { | |
1222 | ||
1223 | mpi_reply = ioc->transport_cmds.reply; | |
1224 | ||
1225 | dtransportprintk(ioc, pr_info(MPT3SAS_FMT | |
1226 | "phy_error_log - reply data transfer size(%d)\n", | |
1227 | ioc->name, le16_to_cpu(mpi_reply->ResponseDataLength))); | |
1228 | ||
1229 | if (le16_to_cpu(mpi_reply->ResponseDataLength) != | |
1230 | sizeof(struct phy_error_log_reply)) | |
1231 | goto out; | |
1232 | ||
1233 | phy_error_log_reply = data_out + | |
1234 | sizeof(struct phy_error_log_request); | |
1235 | ||
1236 | dtransportprintk(ioc, pr_info(MPT3SAS_FMT | |
1237 | "phy_error_log - function_result(%d)\n", | |
1238 | ioc->name, phy_error_log_reply->function_result)); | |
1239 | ||
1240 | phy->invalid_dword_count = | |
1241 | be32_to_cpu(phy_error_log_reply->invalid_dword); | |
1242 | phy->running_disparity_error_count = | |
1243 | be32_to_cpu(phy_error_log_reply->running_disparity_error); | |
1244 | phy->loss_of_dword_sync_count = | |
1245 | be32_to_cpu(phy_error_log_reply->loss_of_dword_sync); | |
1246 | phy->phy_reset_problem_count = | |
1247 | be32_to_cpu(phy_error_log_reply->phy_reset_problem); | |
1248 | rc = 0; | |
1249 | } else | |
1250 | dtransportprintk(ioc, pr_info(MPT3SAS_FMT | |
1251 | "phy_error_log - no reply\n", ioc->name)); | |
1252 | ||
1253 | issue_host_reset: | |
1254 | if (issue_reset) | |
98c56ad3 | 1255 | mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); |
f92363d1 SR |
1256 | out: |
1257 | ioc->transport_cmds.status = MPT3_CMD_NOT_USED; | |
1258 | if (data_out) | |
1259 | pci_free_consistent(ioc->pdev, sz, data_out, data_out_dma); | |
1260 | ||
1261 | mutex_unlock(&ioc->transport_cmds.mutex); | |
1262 | return rc; | |
1263 | } | |
1264 | ||
1265 | /** | |
1266 | * _transport_get_linkerrors - return phy counters for both hba and expanders | |
1267 | * @phy: The sas phy object | |
1268 | * | |
1269 | * Returns 0 for success, non-zero for failure. | |
1270 | * | |
1271 | */ | |
1272 | static int | |
1273 | _transport_get_linkerrors(struct sas_phy *phy) | |
1274 | { | |
1275 | struct MPT3SAS_ADAPTER *ioc = phy_to_ioc(phy); | |
1276 | unsigned long flags; | |
1277 | Mpi2ConfigReply_t mpi_reply; | |
1278 | Mpi2SasPhyPage1_t phy_pg1; | |
1279 | ||
1280 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
1281 | if (_transport_sas_node_find_by_sas_address(ioc, | |
1282 | phy->identify.sas_address) == NULL) { | |
1283 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
1284 | return -EINVAL; | |
1285 | } | |
1286 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
1287 | ||
1288 | if (phy->identify.sas_address != ioc->sas_hba.sas_address) | |
1289 | return _transport_get_expander_phy_error_log(ioc, phy); | |
1290 | ||
1291 | /* get hba phy error logs */ | |
1292 | if ((mpt3sas_config_get_phy_pg1(ioc, &mpi_reply, &phy_pg1, | |
1293 | phy->number))) { | |
1294 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
1295 | ioc->name, __FILE__, __LINE__, __func__); | |
1296 | return -ENXIO; | |
1297 | } | |
1298 | ||
1299 | if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) | |
1300 | pr_info(MPT3SAS_FMT | |
1301 | "phy(%d), ioc_status (0x%04x), loginfo(0x%08x)\n", | |
1302 | ioc->name, phy->number, | |
1303 | le16_to_cpu(mpi_reply.IOCStatus), | |
1304 | le32_to_cpu(mpi_reply.IOCLogInfo)); | |
1305 | ||
1306 | phy->invalid_dword_count = le32_to_cpu(phy_pg1.InvalidDwordCount); | |
1307 | phy->running_disparity_error_count = | |
1308 | le32_to_cpu(phy_pg1.RunningDisparityErrorCount); | |
1309 | phy->loss_of_dword_sync_count = | |
1310 | le32_to_cpu(phy_pg1.LossDwordSynchCount); | |
1311 | phy->phy_reset_problem_count = | |
1312 | le32_to_cpu(phy_pg1.PhyResetProblemCount); | |
1313 | return 0; | |
1314 | } | |
1315 | ||
1316 | /** | |
1317 | * _transport_get_enclosure_identifier - | |
1318 | * @phy: The sas phy object | |
1319 | * | |
1320 | * Obtain the enclosure logical id for an expander. | |
1321 | * Returns 0 for success, non-zero for failure. | |
1322 | */ | |
1323 | static int | |
1324 | _transport_get_enclosure_identifier(struct sas_rphy *rphy, u64 *identifier) | |
1325 | { | |
1326 | struct MPT3SAS_ADAPTER *ioc = rphy_to_ioc(rphy); | |
1327 | struct _sas_device *sas_device; | |
1328 | unsigned long flags; | |
1329 | int rc; | |
1330 | ||
1331 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
d1cb5e49 | 1332 | sas_device = __mpt3sas_get_sdev_by_addr(ioc, |
f92363d1 SR |
1333 | rphy->identify.sas_address); |
1334 | if (sas_device) { | |
1335 | *identifier = sas_device->enclosure_logical_id; | |
1336 | rc = 0; | |
d1cb5e49 | 1337 | sas_device_put(sas_device); |
f92363d1 SR |
1338 | } else { |
1339 | *identifier = 0; | |
1340 | rc = -ENXIO; | |
1341 | } | |
d1cb5e49 | 1342 | |
f92363d1 SR |
1343 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
1344 | return rc; | |
1345 | } | |
1346 | ||
1347 | /** | |
1348 | * _transport_get_bay_identifier - | |
1349 | * @phy: The sas phy object | |
1350 | * | |
1351 | * Returns the slot id for a device that resides inside an enclosure. | |
1352 | */ | |
1353 | static int | |
1354 | _transport_get_bay_identifier(struct sas_rphy *rphy) | |
1355 | { | |
1356 | struct MPT3SAS_ADAPTER *ioc = rphy_to_ioc(rphy); | |
1357 | struct _sas_device *sas_device; | |
1358 | unsigned long flags; | |
1359 | int rc; | |
1360 | ||
1361 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
d1cb5e49 | 1362 | sas_device = __mpt3sas_get_sdev_by_addr(ioc, |
f92363d1 | 1363 | rphy->identify.sas_address); |
d1cb5e49 | 1364 | if (sas_device) { |
f92363d1 | 1365 | rc = sas_device->slot; |
d1cb5e49 SR |
1366 | sas_device_put(sas_device); |
1367 | } else { | |
f92363d1 | 1368 | rc = -ENXIO; |
d1cb5e49 | 1369 | } |
f92363d1 SR |
1370 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
1371 | return rc; | |
1372 | } | |
1373 | ||
1374 | /* phy control request structure */ | |
1375 | struct phy_control_request { | |
1376 | u8 smp_frame_type; /* 0x40 */ | |
1377 | u8 function; /* 0x91 */ | |
1378 | u8 allocated_response_length; | |
1379 | u8 request_length; /* 0x09 */ | |
1380 | u16 expander_change_count; | |
1381 | u8 reserved_1[3]; | |
1382 | u8 phy_identifier; | |
1383 | u8 phy_operation; | |
1384 | u8 reserved_2[13]; | |
1385 | u64 attached_device_name; | |
1386 | u8 programmed_min_physical_link_rate; | |
1387 | u8 programmed_max_physical_link_rate; | |
1388 | u8 reserved_3[6]; | |
1389 | }; | |
1390 | ||
1391 | /* phy control reply structure */ | |
1392 | struct phy_control_reply { | |
1393 | u8 smp_frame_type; /* 0x41 */ | |
1394 | u8 function; /* 0x11 */ | |
1395 | u8 function_result; | |
1396 | u8 response_length; | |
1397 | }; | |
1398 | ||
1399 | #define SMP_PHY_CONTROL_LINK_RESET (0x01) | |
1400 | #define SMP_PHY_CONTROL_HARD_RESET (0x02) | |
1401 | #define SMP_PHY_CONTROL_DISABLE (0x03) | |
1402 | ||
1403 | /** | |
1404 | * _transport_expander_phy_control - expander phy control | |
1405 | * @ioc: per adapter object | |
1406 | * @phy: The sas phy object | |
1407 | * | |
1408 | * Returns 0 for success, non-zero for failure. | |
1409 | * | |
1410 | */ | |
1411 | static int | |
1412 | _transport_expander_phy_control(struct MPT3SAS_ADAPTER *ioc, | |
1413 | struct sas_phy *phy, u8 phy_operation) | |
1414 | { | |
1415 | Mpi2SmpPassthroughRequest_t *mpi_request; | |
1416 | Mpi2SmpPassthroughReply_t *mpi_reply; | |
1417 | struct phy_control_request *phy_control_request; | |
1418 | struct phy_control_reply *phy_control_reply; | |
1419 | int rc; | |
1420 | u16 smid; | |
1421 | u32 ioc_state; | |
1422 | unsigned long timeleft; | |
1423 | void *psge; | |
f92363d1 SR |
1424 | u8 issue_reset = 0; |
1425 | void *data_out = NULL; | |
1426 | dma_addr_t data_out_dma; | |
1427 | u32 sz; | |
1428 | u16 wait_state_count; | |
1429 | ||
1430 | if (ioc->shost_recovery || ioc->pci_error_recovery) { | |
1431 | pr_info(MPT3SAS_FMT "%s: host reset in progress!\n", | |
1432 | __func__, ioc->name); | |
1433 | return -EFAULT; | |
1434 | } | |
1435 | ||
1436 | mutex_lock(&ioc->transport_cmds.mutex); | |
1437 | ||
1438 | if (ioc->transport_cmds.status != MPT3_CMD_NOT_USED) { | |
1439 | pr_err(MPT3SAS_FMT "%s: transport_cmds in use\n", | |
1440 | ioc->name, __func__); | |
1441 | rc = -EAGAIN; | |
1442 | goto out; | |
1443 | } | |
1444 | ioc->transport_cmds.status = MPT3_CMD_PENDING; | |
1445 | ||
1446 | wait_state_count = 0; | |
1447 | ioc_state = mpt3sas_base_get_iocstate(ioc, 1); | |
1448 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
1449 | if (wait_state_count++ == 10) { | |
1450 | pr_err(MPT3SAS_FMT | |
1451 | "%s: failed due to ioc not operational\n", | |
1452 | ioc->name, __func__); | |
1453 | rc = -EFAULT; | |
1454 | goto out; | |
1455 | } | |
1456 | ssleep(1); | |
1457 | ioc_state = mpt3sas_base_get_iocstate(ioc, 1); | |
1458 | pr_info(MPT3SAS_FMT | |
1459 | "%s: waiting for operational state(count=%d)\n", | |
1460 | ioc->name, __func__, wait_state_count); | |
1461 | } | |
1462 | if (wait_state_count) | |
1463 | pr_info(MPT3SAS_FMT "%s: ioc is operational\n", | |
1464 | ioc->name, __func__); | |
1465 | ||
1466 | smid = mpt3sas_base_get_smid(ioc, ioc->transport_cb_idx); | |
1467 | if (!smid) { | |
1468 | pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", | |
1469 | ioc->name, __func__); | |
1470 | rc = -EAGAIN; | |
1471 | goto out; | |
1472 | } | |
1473 | ||
1474 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); | |
1475 | ioc->transport_cmds.smid = smid; | |
1476 | ||
1477 | sz = sizeof(struct phy_control_request) + | |
1478 | sizeof(struct phy_control_reply); | |
1479 | data_out = pci_alloc_consistent(ioc->pdev, sz, &data_out_dma); | |
1480 | if (!data_out) { | |
1481 | pr_err("failure at %s:%d/%s()!\n", __FILE__, | |
1482 | __LINE__, __func__); | |
1483 | rc = -ENOMEM; | |
1484 | mpt3sas_base_free_smid(ioc, smid); | |
1485 | goto out; | |
1486 | } | |
1487 | ||
1488 | rc = -EINVAL; | |
1489 | memset(data_out, 0, sz); | |
1490 | phy_control_request = data_out; | |
1491 | phy_control_request->smp_frame_type = 0x40; | |
1492 | phy_control_request->function = 0x91; | |
1493 | phy_control_request->request_length = 9; | |
1494 | phy_control_request->allocated_response_length = 0; | |
1495 | phy_control_request->phy_identifier = phy->number; | |
1496 | phy_control_request->phy_operation = phy_operation; | |
1497 | phy_control_request->programmed_min_physical_link_rate = | |
1498 | phy->minimum_linkrate << 4; | |
1499 | phy_control_request->programmed_max_physical_link_rate = | |
1500 | phy->maximum_linkrate << 4; | |
1501 | ||
1502 | memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t)); | |
1503 | mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; | |
1504 | mpi_request->PhysicalPort = 0xFF; | |
1505 | mpi_request->VF_ID = 0; /* TODO */ | |
1506 | mpi_request->VP_ID = 0; | |
1507 | mpi_request->SASAddress = cpu_to_le64(phy->identify.sas_address); | |
1508 | mpi_request->RequestDataLength = | |
1509 | cpu_to_le16(sizeof(struct phy_error_log_request)); | |
1510 | psge = &mpi_request->SGL; | |
1511 | ||
ce61c574 SS |
1512 | ioc->build_sg(ioc, psge, data_out_dma, |
1513 | sizeof(struct phy_control_request), | |
1514 | data_out_dma + sizeof(struct phy_control_request), | |
1515 | sizeof(struct phy_control_reply)); | |
f92363d1 SR |
1516 | |
1517 | dtransportprintk(ioc, pr_info(MPT3SAS_FMT | |
1518 | "phy_control - send to sas_addr(0x%016llx), phy(%d), opcode(%d)\n", | |
1519 | ioc->name, (unsigned long long)phy->identify.sas_address, | |
1520 | phy->number, phy_operation)); | |
1521 | init_completion(&ioc->transport_cmds.done); | |
1522 | mpt3sas_base_put_smid_default(ioc, smid); | |
1523 | timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done, | |
1524 | 10*HZ); | |
1525 | ||
1526 | if (!(ioc->transport_cmds.status & MPT3_CMD_COMPLETE)) { | |
1527 | pr_err(MPT3SAS_FMT "%s: timeout\n", | |
1528 | ioc->name, __func__); | |
1529 | _debug_dump_mf(mpi_request, | |
1530 | sizeof(Mpi2SmpPassthroughRequest_t)/4); | |
1531 | if (!(ioc->transport_cmds.status & MPT3_CMD_RESET)) | |
1532 | issue_reset = 1; | |
1533 | goto issue_host_reset; | |
1534 | } | |
1535 | ||
1536 | dtransportprintk(ioc, pr_info(MPT3SAS_FMT | |
1537 | "phy_control - complete\n", ioc->name)); | |
1538 | ||
1539 | if (ioc->transport_cmds.status & MPT3_CMD_REPLY_VALID) { | |
1540 | ||
1541 | mpi_reply = ioc->transport_cmds.reply; | |
1542 | ||
1543 | dtransportprintk(ioc, pr_info(MPT3SAS_FMT | |
1544 | "phy_control - reply data transfer size(%d)\n", | |
1545 | ioc->name, le16_to_cpu(mpi_reply->ResponseDataLength))); | |
1546 | ||
1547 | if (le16_to_cpu(mpi_reply->ResponseDataLength) != | |
1548 | sizeof(struct phy_control_reply)) | |
1549 | goto out; | |
1550 | ||
1551 | phy_control_reply = data_out + | |
1552 | sizeof(struct phy_control_request); | |
1553 | ||
1554 | dtransportprintk(ioc, pr_info(MPT3SAS_FMT | |
1555 | "phy_control - function_result(%d)\n", | |
1556 | ioc->name, phy_control_reply->function_result)); | |
1557 | ||
1558 | rc = 0; | |
1559 | } else | |
1560 | dtransportprintk(ioc, pr_info(MPT3SAS_FMT | |
1561 | "phy_control - no reply\n", ioc->name)); | |
1562 | ||
1563 | issue_host_reset: | |
1564 | if (issue_reset) | |
98c56ad3 | 1565 | mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); |
f92363d1 SR |
1566 | out: |
1567 | ioc->transport_cmds.status = MPT3_CMD_NOT_USED; | |
1568 | if (data_out) | |
1569 | pci_free_consistent(ioc->pdev, sz, data_out, data_out_dma); | |
1570 | ||
1571 | mutex_unlock(&ioc->transport_cmds.mutex); | |
1572 | return rc; | |
1573 | } | |
1574 | ||
1575 | /** | |
1576 | * _transport_phy_reset - | |
1577 | * @phy: The sas phy object | |
1578 | * @hard_reset: | |
1579 | * | |
1580 | * Returns 0 for success, non-zero for failure. | |
1581 | */ | |
1582 | static int | |
1583 | _transport_phy_reset(struct sas_phy *phy, int hard_reset) | |
1584 | { | |
1585 | struct MPT3SAS_ADAPTER *ioc = phy_to_ioc(phy); | |
1586 | Mpi2SasIoUnitControlReply_t mpi_reply; | |
1587 | Mpi2SasIoUnitControlRequest_t mpi_request; | |
1588 | unsigned long flags; | |
1589 | ||
1590 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
1591 | if (_transport_sas_node_find_by_sas_address(ioc, | |
1592 | phy->identify.sas_address) == NULL) { | |
1593 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
1594 | return -EINVAL; | |
1595 | } | |
1596 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
1597 | ||
1598 | /* handle expander phys */ | |
1599 | if (phy->identify.sas_address != ioc->sas_hba.sas_address) | |
1600 | return _transport_expander_phy_control(ioc, phy, | |
1601 | (hard_reset == 1) ? SMP_PHY_CONTROL_HARD_RESET : | |
1602 | SMP_PHY_CONTROL_LINK_RESET); | |
1603 | ||
1604 | /* handle hba phys */ | |
869817f9 | 1605 | memset(&mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t)); |
f92363d1 SR |
1606 | mpi_request.Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL; |
1607 | mpi_request.Operation = hard_reset ? | |
1608 | MPI2_SAS_OP_PHY_HARD_RESET : MPI2_SAS_OP_PHY_LINK_RESET; | |
1609 | mpi_request.PhyNum = phy->number; | |
1610 | ||
1611 | if ((mpt3sas_base_sas_iounit_control(ioc, &mpi_reply, &mpi_request))) { | |
1612 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
1613 | ioc->name, __FILE__, __LINE__, __func__); | |
1614 | return -ENXIO; | |
1615 | } | |
1616 | ||
1617 | if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) | |
1618 | pr_info(MPT3SAS_FMT | |
1619 | "phy(%d), ioc_status(0x%04x), loginfo(0x%08x)\n", | |
1620 | ioc->name, phy->number, le16_to_cpu(mpi_reply.IOCStatus), | |
1621 | le32_to_cpu(mpi_reply.IOCLogInfo)); | |
1622 | ||
1623 | return 0; | |
1624 | } | |
1625 | ||
1626 | /** | |
1627 | * _transport_phy_enable - enable/disable phys | |
1628 | * @phy: The sas phy object | |
1629 | * @enable: enable phy when true | |
1630 | * | |
1631 | * Only support sas_host direct attached phys. | |
1632 | * Returns 0 for success, non-zero for failure. | |
1633 | */ | |
1634 | static int | |
1635 | _transport_phy_enable(struct sas_phy *phy, int enable) | |
1636 | { | |
1637 | struct MPT3SAS_ADAPTER *ioc = phy_to_ioc(phy); | |
1638 | Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; | |
1639 | Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL; | |
1640 | Mpi2ConfigReply_t mpi_reply; | |
1641 | u16 ioc_status; | |
1642 | u16 sz; | |
1643 | int rc = 0; | |
1644 | unsigned long flags; | |
1645 | int i, discovery_active; | |
1646 | ||
1647 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
1648 | if (_transport_sas_node_find_by_sas_address(ioc, | |
1649 | phy->identify.sas_address) == NULL) { | |
1650 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
1651 | return -EINVAL; | |
1652 | } | |
1653 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
1654 | ||
1655 | /* handle expander phys */ | |
1656 | if (phy->identify.sas_address != ioc->sas_hba.sas_address) | |
1657 | return _transport_expander_phy_control(ioc, phy, | |
1658 | (enable == 1) ? SMP_PHY_CONTROL_LINK_RESET : | |
1659 | SMP_PHY_CONTROL_DISABLE); | |
1660 | ||
1661 | /* handle hba phys */ | |
1662 | ||
1663 | /* read sas_iounit page 0 */ | |
1664 | sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys * | |
1665 | sizeof(Mpi2SasIOUnit0PhyData_t)); | |
1666 | sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL); | |
1667 | if (!sas_iounit_pg0) { | |
1668 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
1669 | ioc->name, __FILE__, __LINE__, __func__); | |
1670 | rc = -ENOMEM; | |
1671 | goto out; | |
1672 | } | |
1673 | if ((mpt3sas_config_get_sas_iounit_pg0(ioc, &mpi_reply, | |
1674 | sas_iounit_pg0, sz))) { | |
1675 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
1676 | ioc->name, __FILE__, __LINE__, __func__); | |
1677 | rc = -ENXIO; | |
1678 | goto out; | |
1679 | } | |
1680 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
1681 | MPI2_IOCSTATUS_MASK; | |
1682 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
1683 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
1684 | ioc->name, __FILE__, __LINE__, __func__); | |
1685 | rc = -EIO; | |
1686 | goto out; | |
1687 | } | |
1688 | ||
1689 | /* unable to enable/disable phys when when discovery is active */ | |
1690 | for (i = 0, discovery_active = 0; i < ioc->sas_hba.num_phys ; i++) { | |
1691 | if (sas_iounit_pg0->PhyData[i].PortFlags & | |
1692 | MPI2_SASIOUNIT0_PORTFLAGS_DISCOVERY_IN_PROGRESS) { | |
1693 | pr_err(MPT3SAS_FMT "discovery is active on " \ | |
1694 | "port = %d, phy = %d: unable to enable/disable " | |
1695 | "phys, try again later!\n", ioc->name, | |
1696 | sas_iounit_pg0->PhyData[i].Port, i); | |
1697 | discovery_active = 1; | |
1698 | } | |
1699 | } | |
1700 | ||
1701 | if (discovery_active) { | |
1702 | rc = -EAGAIN; | |
1703 | goto out; | |
1704 | } | |
1705 | ||
1706 | /* read sas_iounit page 1 */ | |
1707 | sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys * | |
1708 | sizeof(Mpi2SasIOUnit1PhyData_t)); | |
1709 | sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL); | |
1710 | if (!sas_iounit_pg1) { | |
1711 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
1712 | ioc->name, __FILE__, __LINE__, __func__); | |
1713 | rc = -ENOMEM; | |
1714 | goto out; | |
1715 | } | |
1716 | if ((mpt3sas_config_get_sas_iounit_pg1(ioc, &mpi_reply, | |
1717 | sas_iounit_pg1, sz))) { | |
1718 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
1719 | ioc->name, __FILE__, __LINE__, __func__); | |
1720 | rc = -ENXIO; | |
1721 | goto out; | |
1722 | } | |
1723 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
1724 | MPI2_IOCSTATUS_MASK; | |
1725 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
1726 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
1727 | ioc->name, __FILE__, __LINE__, __func__); | |
1728 | rc = -EIO; | |
1729 | goto out; | |
1730 | } | |
1731 | ||
1732 | /* copy Port/PortFlags/PhyFlags from page 0 */ | |
1733 | for (i = 0; i < ioc->sas_hba.num_phys ; i++) { | |
1734 | sas_iounit_pg1->PhyData[i].Port = | |
1735 | sas_iounit_pg0->PhyData[i].Port; | |
1736 | sas_iounit_pg1->PhyData[i].PortFlags = | |
1737 | (sas_iounit_pg0->PhyData[i].PortFlags & | |
1738 | MPI2_SASIOUNIT0_PORTFLAGS_AUTO_PORT_CONFIG); | |
1739 | sas_iounit_pg1->PhyData[i].PhyFlags = | |
1740 | (sas_iounit_pg0->PhyData[i].PhyFlags & | |
1741 | (MPI2_SASIOUNIT0_PHYFLAGS_ZONING_ENABLED + | |
1742 | MPI2_SASIOUNIT0_PHYFLAGS_PHY_DISABLED)); | |
1743 | } | |
1744 | ||
1745 | if (enable) | |
1746 | sas_iounit_pg1->PhyData[phy->number].PhyFlags | |
1747 | &= ~MPI2_SASIOUNIT1_PHYFLAGS_PHY_DISABLE; | |
1748 | else | |
1749 | sas_iounit_pg1->PhyData[phy->number].PhyFlags | |
1750 | |= MPI2_SASIOUNIT1_PHYFLAGS_PHY_DISABLE; | |
1751 | ||
1752 | mpt3sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1, sz); | |
1753 | ||
1754 | /* link reset */ | |
1755 | if (enable) | |
1756 | _transport_phy_reset(phy, 0); | |
1757 | ||
1758 | out: | |
1759 | kfree(sas_iounit_pg1); | |
1760 | kfree(sas_iounit_pg0); | |
1761 | return rc; | |
1762 | } | |
1763 | ||
1764 | /** | |
1765 | * _transport_phy_speed - set phy min/max link rates | |
1766 | * @phy: The sas phy object | |
1767 | * @rates: rates defined in sas_phy_linkrates | |
1768 | * | |
1769 | * Only support sas_host direct attached phys. | |
1770 | * Returns 0 for success, non-zero for failure. | |
1771 | */ | |
1772 | static int | |
1773 | _transport_phy_speed(struct sas_phy *phy, struct sas_phy_linkrates *rates) | |
1774 | { | |
1775 | struct MPT3SAS_ADAPTER *ioc = phy_to_ioc(phy); | |
1776 | Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; | |
1777 | Mpi2SasPhyPage0_t phy_pg0; | |
1778 | Mpi2ConfigReply_t mpi_reply; | |
1779 | u16 ioc_status; | |
1780 | u16 sz; | |
1781 | int i; | |
1782 | int rc = 0; | |
1783 | unsigned long flags; | |
1784 | ||
1785 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
1786 | if (_transport_sas_node_find_by_sas_address(ioc, | |
1787 | phy->identify.sas_address) == NULL) { | |
1788 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
1789 | return -EINVAL; | |
1790 | } | |
1791 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
1792 | ||
1793 | if (!rates->minimum_linkrate) | |
1794 | rates->minimum_linkrate = phy->minimum_linkrate; | |
1795 | else if (rates->minimum_linkrate < phy->minimum_linkrate_hw) | |
1796 | rates->minimum_linkrate = phy->minimum_linkrate_hw; | |
1797 | ||
1798 | if (!rates->maximum_linkrate) | |
1799 | rates->maximum_linkrate = phy->maximum_linkrate; | |
1800 | else if (rates->maximum_linkrate > phy->maximum_linkrate_hw) | |
1801 | rates->maximum_linkrate = phy->maximum_linkrate_hw; | |
1802 | ||
1803 | /* handle expander phys */ | |
1804 | if (phy->identify.sas_address != ioc->sas_hba.sas_address) { | |
1805 | phy->minimum_linkrate = rates->minimum_linkrate; | |
1806 | phy->maximum_linkrate = rates->maximum_linkrate; | |
1807 | return _transport_expander_phy_control(ioc, phy, | |
1808 | SMP_PHY_CONTROL_LINK_RESET); | |
1809 | } | |
1810 | ||
1811 | /* handle hba phys */ | |
1812 | ||
1813 | /* sas_iounit page 1 */ | |
1814 | sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys * | |
1815 | sizeof(Mpi2SasIOUnit1PhyData_t)); | |
1816 | sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL); | |
1817 | if (!sas_iounit_pg1) { | |
1818 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
1819 | ioc->name, __FILE__, __LINE__, __func__); | |
1820 | rc = -ENOMEM; | |
1821 | goto out; | |
1822 | } | |
1823 | if ((mpt3sas_config_get_sas_iounit_pg1(ioc, &mpi_reply, | |
1824 | sas_iounit_pg1, sz))) { | |
1825 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
1826 | ioc->name, __FILE__, __LINE__, __func__); | |
1827 | rc = -ENXIO; | |
1828 | goto out; | |
1829 | } | |
1830 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
1831 | MPI2_IOCSTATUS_MASK; | |
1832 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
1833 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
1834 | ioc->name, __FILE__, __LINE__, __func__); | |
1835 | rc = -EIO; | |
1836 | goto out; | |
1837 | } | |
1838 | ||
1839 | for (i = 0; i < ioc->sas_hba.num_phys; i++) { | |
1840 | if (phy->number != i) { | |
1841 | sas_iounit_pg1->PhyData[i].MaxMinLinkRate = | |
1842 | (ioc->sas_hba.phy[i].phy->minimum_linkrate + | |
1843 | (ioc->sas_hba.phy[i].phy->maximum_linkrate << 4)); | |
1844 | } else { | |
1845 | sas_iounit_pg1->PhyData[i].MaxMinLinkRate = | |
1846 | (rates->minimum_linkrate + | |
1847 | (rates->maximum_linkrate << 4)); | |
1848 | } | |
1849 | } | |
1850 | ||
1851 | if (mpt3sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1, | |
1852 | sz)) { | |
1853 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
1854 | ioc->name, __FILE__, __LINE__, __func__); | |
1855 | rc = -ENXIO; | |
1856 | goto out; | |
1857 | } | |
1858 | ||
1859 | /* link reset */ | |
1860 | _transport_phy_reset(phy, 0); | |
1861 | ||
1862 | /* read phy page 0, then update the rates in the sas transport phy */ | |
1863 | if (!mpt3sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0, | |
1864 | phy->number)) { | |
1865 | phy->minimum_linkrate = _transport_convert_phy_link_rate( | |
1866 | phy_pg0.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK); | |
1867 | phy->maximum_linkrate = _transport_convert_phy_link_rate( | |
1868 | phy_pg0.ProgrammedLinkRate >> 4); | |
1869 | phy->negotiated_linkrate = _transport_convert_phy_link_rate( | |
1870 | phy_pg0.NegotiatedLinkRate & | |
1871 | MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL); | |
1872 | } | |
1873 | ||
1874 | out: | |
1875 | kfree(sas_iounit_pg1); | |
1876 | return rc; | |
1877 | } | |
1878 | ||
1879 | /** | |
1880 | * _transport_smp_handler - transport portal for smp passthru | |
1881 | * @shost: shost object | |
1882 | * @rphy: sas transport rphy object | |
1883 | * @req: | |
1884 | * | |
1885 | * This used primarily for smp_utils. | |
1886 | * Example: | |
1887 | * smp_rep_general /sys/class/bsg/expander-5:0 | |
1888 | */ | |
1889 | static int | |
1890 | _transport_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy, | |
1891 | struct request *req) | |
1892 | { | |
1893 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
1894 | Mpi2SmpPassthroughRequest_t *mpi_request; | |
1895 | Mpi2SmpPassthroughReply_t *mpi_reply; | |
7988613b | 1896 | int rc; |
f92363d1 SR |
1897 | u16 smid; |
1898 | u32 ioc_state; | |
1899 | unsigned long timeleft; | |
1900 | void *psge; | |
1901 | u8 issue_reset = 0; | |
1902 | dma_addr_t dma_addr_in = 0; | |
1903 | dma_addr_t dma_addr_out = 0; | |
1904 | dma_addr_t pci_dma_in = 0; | |
1905 | dma_addr_t pci_dma_out = 0; | |
1906 | void *pci_addr_in = NULL; | |
1907 | void *pci_addr_out = NULL; | |
1908 | u16 wait_state_count; | |
1909 | struct request *rsp = req->next_rq; | |
7988613b KO |
1910 | struct bio_vec bvec; |
1911 | struct bvec_iter iter; | |
f92363d1 SR |
1912 | |
1913 | if (!rsp) { | |
1914 | pr_err(MPT3SAS_FMT "%s: the smp response space is missing\n", | |
1915 | ioc->name, __func__); | |
1916 | return -EINVAL; | |
1917 | } | |
1918 | ||
1919 | if (ioc->shost_recovery || ioc->pci_error_recovery) { | |
1920 | pr_info(MPT3SAS_FMT "%s: host reset in progress!\n", | |
1921 | __func__, ioc->name); | |
1922 | return -EFAULT; | |
1923 | } | |
1924 | ||
1925 | rc = mutex_lock_interruptible(&ioc->transport_cmds.mutex); | |
1926 | if (rc) | |
1927 | return rc; | |
1928 | ||
1929 | if (ioc->transport_cmds.status != MPT3_CMD_NOT_USED) { | |
1930 | pr_err(MPT3SAS_FMT "%s: transport_cmds in use\n", ioc->name, | |
1931 | __func__); | |
1932 | rc = -EAGAIN; | |
1933 | goto out; | |
1934 | } | |
1935 | ioc->transport_cmds.status = MPT3_CMD_PENDING; | |
1936 | ||
1937 | /* Check if the request is split across multiple segments */ | |
458b76ed | 1938 | if (bio_multiple_segments(req->bio)) { |
f92363d1 SR |
1939 | u32 offset = 0; |
1940 | ||
1941 | /* Allocate memory and copy the request */ | |
1942 | pci_addr_out = pci_alloc_consistent(ioc->pdev, | |
1943 | blk_rq_bytes(req), &pci_dma_out); | |
1944 | if (!pci_addr_out) { | |
1945 | pr_info(MPT3SAS_FMT "%s(): PCI Addr out = NULL\n", | |
1946 | ioc->name, __func__); | |
1947 | rc = -ENOMEM; | |
1948 | goto out; | |
1949 | } | |
1950 | ||
7988613b | 1951 | bio_for_each_segment(bvec, req->bio, iter) { |
f92363d1 | 1952 | memcpy(pci_addr_out + offset, |
7988613b KO |
1953 | page_address(bvec.bv_page) + bvec.bv_offset, |
1954 | bvec.bv_len); | |
1955 | offset += bvec.bv_len; | |
f92363d1 SR |
1956 | } |
1957 | } else { | |
1958 | dma_addr_out = pci_map_single(ioc->pdev, bio_data(req->bio), | |
1959 | blk_rq_bytes(req), PCI_DMA_BIDIRECTIONAL); | |
36814028 | 1960 | if (pci_dma_mapping_error(ioc->pdev, dma_addr_out)) { |
f92363d1 SR |
1961 | pr_info(MPT3SAS_FMT "%s(): DMA Addr out = NULL\n", |
1962 | ioc->name, __func__); | |
1963 | rc = -ENOMEM; | |
1964 | goto free_pci; | |
1965 | } | |
1966 | } | |
1967 | ||
1968 | /* Check if the response needs to be populated across | |
1969 | * multiple segments */ | |
458b76ed | 1970 | if (bio_multiple_segments(rsp->bio)) { |
f92363d1 SR |
1971 | pci_addr_in = pci_alloc_consistent(ioc->pdev, blk_rq_bytes(rsp), |
1972 | &pci_dma_in); | |
1973 | if (!pci_addr_in) { | |
1974 | pr_info(MPT3SAS_FMT "%s(): PCI Addr in = NULL\n", | |
1975 | ioc->name, __func__); | |
1976 | rc = -ENOMEM; | |
1977 | goto unmap; | |
1978 | } | |
1979 | } else { | |
1980 | dma_addr_in = pci_map_single(ioc->pdev, bio_data(rsp->bio), | |
1981 | blk_rq_bytes(rsp), PCI_DMA_BIDIRECTIONAL); | |
36814028 | 1982 | if (pci_dma_mapping_error(ioc->pdev, dma_addr_in)) { |
f92363d1 SR |
1983 | pr_info(MPT3SAS_FMT "%s(): DMA Addr in = NULL\n", |
1984 | ioc->name, __func__); | |
1985 | rc = -ENOMEM; | |
1986 | goto unmap; | |
1987 | } | |
1988 | } | |
1989 | ||
1990 | wait_state_count = 0; | |
1991 | ioc_state = mpt3sas_base_get_iocstate(ioc, 1); | |
1992 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
1993 | if (wait_state_count++ == 10) { | |
1994 | pr_err(MPT3SAS_FMT | |
1995 | "%s: failed due to ioc not operational\n", | |
1996 | ioc->name, __func__); | |
1997 | rc = -EFAULT; | |
1998 | goto unmap; | |
1999 | } | |
2000 | ssleep(1); | |
2001 | ioc_state = mpt3sas_base_get_iocstate(ioc, 1); | |
2002 | pr_info(MPT3SAS_FMT | |
2003 | "%s: waiting for operational state(count=%d)\n", | |
2004 | ioc->name, __func__, wait_state_count); | |
2005 | } | |
2006 | if (wait_state_count) | |
2007 | pr_info(MPT3SAS_FMT "%s: ioc is operational\n", | |
2008 | ioc->name, __func__); | |
2009 | ||
2010 | smid = mpt3sas_base_get_smid(ioc, ioc->transport_cb_idx); | |
2011 | if (!smid) { | |
2012 | pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", | |
2013 | ioc->name, __func__); | |
2014 | rc = -EAGAIN; | |
2015 | goto unmap; | |
2016 | } | |
2017 | ||
2018 | rc = 0; | |
2019 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); | |
2020 | ioc->transport_cmds.smid = smid; | |
2021 | ||
2022 | memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t)); | |
2023 | mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; | |
2024 | mpi_request->PhysicalPort = 0xFF; | |
2025 | mpi_request->SASAddress = (rphy) ? | |
2026 | cpu_to_le64(rphy->identify.sas_address) : | |
2027 | cpu_to_le64(ioc->sas_hba.sas_address); | |
2028 | mpi_request->RequestDataLength = cpu_to_le16(blk_rq_bytes(req) - 4); | |
2029 | psge = &mpi_request->SGL; | |
2030 | ||
458b76ed | 2031 | if (bio_multiple_segments(req->bio)) |
f92363d1 SR |
2032 | ioc->build_sg(ioc, psge, pci_dma_out, (blk_rq_bytes(req) - 4), |
2033 | pci_dma_in, (blk_rq_bytes(rsp) + 4)); | |
2034 | else | |
2035 | ioc->build_sg(ioc, psge, dma_addr_out, (blk_rq_bytes(req) - 4), | |
2036 | dma_addr_in, (blk_rq_bytes(rsp) + 4)); | |
2037 | ||
2038 | dtransportprintk(ioc, pr_info(MPT3SAS_FMT | |
2039 | "%s - sending smp request\n", ioc->name, __func__)); | |
2040 | ||
2041 | init_completion(&ioc->transport_cmds.done); | |
2042 | mpt3sas_base_put_smid_default(ioc, smid); | |
2043 | timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done, | |
2044 | 10*HZ); | |
2045 | ||
2046 | if (!(ioc->transport_cmds.status & MPT3_CMD_COMPLETE)) { | |
2047 | pr_err(MPT3SAS_FMT "%s : timeout\n", | |
2048 | __func__, ioc->name); | |
2049 | _debug_dump_mf(mpi_request, | |
2050 | sizeof(Mpi2SmpPassthroughRequest_t)/4); | |
2051 | if (!(ioc->transport_cmds.status & MPT3_CMD_RESET)) | |
2052 | issue_reset = 1; | |
2053 | goto issue_host_reset; | |
2054 | } | |
2055 | ||
2056 | dtransportprintk(ioc, pr_info(MPT3SAS_FMT | |
2057 | "%s - complete\n", ioc->name, __func__)); | |
2058 | ||
2059 | if (ioc->transport_cmds.status & MPT3_CMD_REPLY_VALID) { | |
2060 | ||
2061 | mpi_reply = ioc->transport_cmds.reply; | |
2062 | ||
2063 | dtransportprintk(ioc, pr_info(MPT3SAS_FMT | |
2064 | "%s - reply data transfer size(%d)\n", | |
2065 | ioc->name, __func__, | |
2066 | le16_to_cpu(mpi_reply->ResponseDataLength))); | |
2067 | ||
2068 | memcpy(req->sense, mpi_reply, sizeof(*mpi_reply)); | |
2069 | req->sense_len = sizeof(*mpi_reply); | |
2070 | req->resid_len = 0; | |
2071 | rsp->resid_len -= | |
2072 | le16_to_cpu(mpi_reply->ResponseDataLength); | |
2073 | ||
2074 | /* check if the resp needs to be copied from the allocated | |
2075 | * pci mem */ | |
458b76ed | 2076 | if (bio_multiple_segments(rsp->bio)) { |
f92363d1 SR |
2077 | u32 offset = 0; |
2078 | u32 bytes_to_copy = | |
2079 | le16_to_cpu(mpi_reply->ResponseDataLength); | |
7988613b KO |
2080 | bio_for_each_segment(bvec, rsp->bio, iter) { |
2081 | if (bytes_to_copy <= bvec.bv_len) { | |
2082 | memcpy(page_address(bvec.bv_page) + | |
2083 | bvec.bv_offset, pci_addr_in + | |
f92363d1 SR |
2084 | offset, bytes_to_copy); |
2085 | break; | |
2086 | } else { | |
7988613b KO |
2087 | memcpy(page_address(bvec.bv_page) + |
2088 | bvec.bv_offset, pci_addr_in + | |
2089 | offset, bvec.bv_len); | |
2090 | bytes_to_copy -= bvec.bv_len; | |
f92363d1 | 2091 | } |
7988613b | 2092 | offset += bvec.bv_len; |
f92363d1 SR |
2093 | } |
2094 | } | |
2095 | } else { | |
2096 | dtransportprintk(ioc, pr_info(MPT3SAS_FMT | |
2097 | "%s - no reply\n", ioc->name, __func__)); | |
2098 | rc = -ENXIO; | |
2099 | } | |
2100 | ||
2101 | issue_host_reset: | |
2102 | if (issue_reset) { | |
98c56ad3 | 2103 | mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); |
f92363d1 SR |
2104 | rc = -ETIMEDOUT; |
2105 | } | |
2106 | ||
2107 | unmap: | |
2108 | if (dma_addr_out) | |
2109 | pci_unmap_single(ioc->pdev, dma_addr_out, blk_rq_bytes(req), | |
2110 | PCI_DMA_BIDIRECTIONAL); | |
2111 | if (dma_addr_in) | |
2112 | pci_unmap_single(ioc->pdev, dma_addr_in, blk_rq_bytes(rsp), | |
2113 | PCI_DMA_BIDIRECTIONAL); | |
2114 | ||
2115 | free_pci: | |
2116 | if (pci_addr_out) | |
2117 | pci_free_consistent(ioc->pdev, blk_rq_bytes(req), pci_addr_out, | |
2118 | pci_dma_out); | |
2119 | ||
2120 | if (pci_addr_in) | |
2121 | pci_free_consistent(ioc->pdev, blk_rq_bytes(rsp), pci_addr_in, | |
2122 | pci_dma_in); | |
2123 | ||
2124 | out: | |
2125 | ioc->transport_cmds.status = MPT3_CMD_NOT_USED; | |
2126 | mutex_unlock(&ioc->transport_cmds.mutex); | |
2127 | return rc; | |
2128 | } | |
2129 | ||
2130 | struct sas_function_template mpt3sas_transport_functions = { | |
2131 | .get_linkerrors = _transport_get_linkerrors, | |
2132 | .get_enclosure_identifier = _transport_get_enclosure_identifier, | |
2133 | .get_bay_identifier = _transport_get_bay_identifier, | |
2134 | .phy_reset = _transport_phy_reset, | |
2135 | .phy_enable = _transport_phy_enable, | |
2136 | .set_phy_speed = _transport_phy_speed, | |
2137 | .smp_handler = _transport_smp_handler, | |
2138 | }; | |
2139 | ||
2140 | struct scsi_transport_template *mpt3sas_transport_template; |