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 | ||
96a99501 | 166 | memset(identify, 0, sizeof(*identify)); |
635374e7 EM |
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; | |
635374e7 EM |
302 | u16 wait_state_count; |
303 | ||
3cb5469a | 304 | if (ioc->shost_recovery || ioc->pci_error_recovery) { |
635374e7 EM |
305 | printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", |
306 | __func__, ioc->name); | |
307 | return -EFAULT; | |
308 | } | |
635374e7 EM |
309 | |
310 | mutex_lock(&ioc->transport_cmds.mutex); | |
311 | ||
312 | if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) { | |
313 | printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n", | |
314 | ioc->name, __func__); | |
315 | rc = -EAGAIN; | |
316 | goto out; | |
317 | } | |
318 | ioc->transport_cmds.status = MPT2_CMD_PENDING; | |
319 | ||
320 | wait_state_count = 0; | |
321 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
322 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
323 | if (wait_state_count++ == 10) { | |
324 | printk(MPT2SAS_ERR_FMT | |
325 | "%s: failed due to ioc not operational\n", | |
326 | ioc->name, __func__); | |
327 | rc = -EFAULT; | |
328 | goto out; | |
329 | } | |
330 | ssleep(1); | |
331 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
332 | printk(MPT2SAS_INFO_FMT "%s: waiting for " | |
333 | "operational state(count=%d)\n", ioc->name, | |
334 | __func__, wait_state_count); | |
335 | } | |
336 | if (wait_state_count) | |
337 | printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n", | |
338 | ioc->name, __func__); | |
339 | ||
340 | smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx); | |
341 | if (!smid) { | |
342 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
343 | ioc->name, __func__); | |
344 | rc = -EAGAIN; | |
345 | goto out; | |
346 | } | |
347 | ||
348 | rc = 0; | |
349 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
350 | ioc->transport_cmds.smid = smid; | |
351 | ||
352 | sz = sizeof(struct rep_manu_request) + sizeof(struct rep_manu_reply); | |
353 | data_out = pci_alloc_consistent(ioc->pdev, sz, &data_out_dma); | |
354 | ||
355 | if (!data_out) { | |
356 | printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, | |
357 | __LINE__, __func__); | |
358 | rc = -ENOMEM; | |
359 | mpt2sas_base_free_smid(ioc, smid); | |
360 | goto out; | |
361 | } | |
362 | ||
363 | manufacture_request = data_out; | |
364 | manufacture_request->smp_frame_type = 0x40; | |
365 | manufacture_request->function = 1; | |
366 | manufacture_request->reserved = 0; | |
367 | manufacture_request->request_length = 0; | |
368 | ||
369 | memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t)); | |
370 | mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; | |
371 | mpi_request->PhysicalPort = 0xFF; | |
7b936b02 KD |
372 | mpi_request->VF_ID = 0; /* TODO */ |
373 | mpi_request->VP_ID = 0; | |
c97951ec | 374 | mpi_request->SASAddress = cpu_to_le64(sas_address); |
463217bf KD |
375 | mpi_request->RequestDataLength = |
376 | cpu_to_le16(sizeof(struct rep_manu_request)); | |
635374e7 EM |
377 | psge = &mpi_request->SGL; |
378 | ||
379 | /* WRITE sgel first */ | |
380 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
381 | MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC); | |
382 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
383 | ioc->base_add_sg_single(psge, sgl_flags | | |
384 | sizeof(struct rep_manu_request), data_out_dma); | |
385 | ||
386 | /* incr sgel */ | |
387 | psge += ioc->sge_size; | |
388 | ||
389 | /* READ sgel last */ | |
390 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
391 | MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | | |
392 | MPI2_SGE_FLAGS_END_OF_LIST); | |
393 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
394 | ioc->base_add_sg_single(psge, sgl_flags | | |
395 | sizeof(struct rep_manu_reply), data_out_dma + | |
396 | sizeof(struct rep_manu_request)); | |
397 | ||
eabb08ad | 398 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "report_manufacture - " |
635374e7 EM |
399 | "send to sas_addr(0x%016llx)\n", ioc->name, |
400 | (unsigned long long)sas_address)); | |
bcfb6e6e | 401 | init_completion(&ioc->transport_cmds.done); |
f01690d3 | 402 | mpt2sas_base_put_smid_default(ioc, smid); |
635374e7 EM |
403 | timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done, |
404 | 10*HZ); | |
405 | ||
406 | if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) { | |
407 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
408 | ioc->name, __func__); | |
409 | _debug_dump_mf(mpi_request, | |
410 | sizeof(Mpi2SmpPassthroughRequest_t)/4); | |
411 | if (!(ioc->transport_cmds.status & MPT2_CMD_RESET)) | |
412 | issue_reset = 1; | |
413 | goto issue_host_reset; | |
414 | } | |
415 | ||
eabb08ad | 416 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "report_manufacture - " |
635374e7 EM |
417 | "complete\n", ioc->name)); |
418 | ||
419 | if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) { | |
420 | u8 *tmp; | |
421 | ||
422 | mpi_reply = ioc->transport_cmds.reply; | |
423 | ||
eabb08ad | 424 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT |
635374e7 EM |
425 | "report_manufacture - reply data transfer size(%d)\n", |
426 | ioc->name, le16_to_cpu(mpi_reply->ResponseDataLength))); | |
427 | ||
428 | if (le16_to_cpu(mpi_reply->ResponseDataLength) != | |
429 | sizeof(struct rep_manu_reply)) | |
430 | goto out; | |
431 | ||
432 | manufacture_reply = data_out + sizeof(struct rep_manu_request); | |
433 | strncpy(edev->vendor_id, manufacture_reply->vendor_id, | |
434 | SAS_EXPANDER_VENDOR_ID_LEN); | |
435 | strncpy(edev->product_id, manufacture_reply->product_id, | |
436 | SAS_EXPANDER_PRODUCT_ID_LEN); | |
437 | strncpy(edev->product_rev, manufacture_reply->product_rev, | |
438 | SAS_EXPANDER_PRODUCT_REV_LEN); | |
463217bf KD |
439 | edev->level = manufacture_reply->sas_format & 1; |
440 | if (edev->level) { | |
635374e7 EM |
441 | strncpy(edev->component_vendor_id, |
442 | manufacture_reply->component_vendor_id, | |
443 | SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN); | |
444 | tmp = (u8 *)&manufacture_reply->component_id; | |
445 | edev->component_id = tmp[0] << 8 | tmp[1]; | |
446 | edev->component_revision_id = | |
447 | manufacture_reply->component_revision_id; | |
448 | } | |
449 | } else | |
eabb08ad | 450 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT |
635374e7 EM |
451 | "report_manufacture - no reply\n", ioc->name)); |
452 | ||
453 | issue_host_reset: | |
454 | if (issue_reset) | |
455 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
456 | FORCE_BIG_HAMMER); | |
457 | out: | |
458 | ioc->transport_cmds.status = MPT2_CMD_NOT_USED; | |
459 | if (data_out) | |
460 | pci_free_consistent(ioc->pdev, sz, data_out, data_out_dma); | |
461 | ||
462 | mutex_unlock(&ioc->transport_cmds.mutex); | |
463 | return rc; | |
464 | } | |
465 | ||
7f6f794d KD |
466 | /** |
467 | * _transport_delete_port - helper function to removing a port | |
468 | * @ioc: per adapter object | |
469 | * @mpt2sas_port: mpt2sas per port object | |
470 | * | |
471 | * Returns nothing. | |
472 | */ | |
473 | static void | |
474 | _transport_delete_port(struct MPT2SAS_ADAPTER *ioc, | |
475 | struct _sas_port *mpt2sas_port) | |
476 | { | |
477 | u64 sas_address = mpt2sas_port->remote_identify.sas_address; | |
478 | enum sas_device_type device_type = | |
479 | mpt2sas_port->remote_identify.device_type; | |
480 | ||
481 | dev_printk(KERN_INFO, &mpt2sas_port->port->dev, | |
482 | "remove: sas_addr(0x%016llx)\n", | |
483 | (unsigned long long) sas_address); | |
484 | ||
485 | ioc->logging_level |= MPT_DEBUG_TRANSPORT; | |
486 | if (device_type == SAS_END_DEVICE) | |
487 | mpt2sas_device_remove(ioc, sas_address); | |
488 | else if (device_type == SAS_EDGE_EXPANDER_DEVICE || | |
489 | device_type == SAS_FANOUT_EXPANDER_DEVICE) | |
490 | mpt2sas_expander_remove(ioc, sas_address); | |
491 | ioc->logging_level &= ~MPT_DEBUG_TRANSPORT; | |
492 | } | |
38c29114 KD |
493 | |
494 | /** | |
7f6f794d | 495 | * _transport_delete_phy - helper function to removing single phy from port |
38c29114 | 496 | * @ioc: per adapter object |
7f6f794d KD |
497 | * @mpt2sas_port: mpt2sas per port object |
498 | * @mpt2sas_phy: mpt2sas per phy object | |
38c29114 | 499 | * |
7f6f794d KD |
500 | * Returns nothing. |
501 | */ | |
502 | static void | |
503 | _transport_delete_phy(struct MPT2SAS_ADAPTER *ioc, | |
504 | struct _sas_port *mpt2sas_port, struct _sas_phy *mpt2sas_phy) | |
505 | { | |
506 | u64 sas_address = mpt2sas_port->remote_identify.sas_address; | |
507 | ||
508 | dev_printk(KERN_INFO, &mpt2sas_phy->phy->dev, | |
509 | "remove: sas_addr(0x%016llx), phy(%d)\n", | |
510 | (unsigned long long) sas_address, mpt2sas_phy->phy_id); | |
511 | ||
512 | list_del(&mpt2sas_phy->port_siblings); | |
513 | mpt2sas_port->num_phys--; | |
514 | sas_port_delete_phy(mpt2sas_port->port, mpt2sas_phy->phy); | |
515 | mpt2sas_phy->phy_belongs_to_port = 0; | |
516 | } | |
517 | ||
518 | /** | |
519 | * _transport_add_phy - helper function to adding single phy to port | |
520 | * @ioc: per adapter object | |
521 | * @mpt2sas_port: mpt2sas per port object | |
522 | * @mpt2sas_phy: mpt2sas per phy object | |
38c29114 | 523 | * |
7f6f794d | 524 | * Returns nothing. |
38c29114 KD |
525 | */ |
526 | static void | |
7f6f794d KD |
527 | _transport_add_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_port *mpt2sas_port, |
528 | struct _sas_phy *mpt2sas_phy) | |
38c29114 | 529 | { |
7f6f794d | 530 | u64 sas_address = mpt2sas_port->remote_identify.sas_address; |
38c29114 | 531 | |
7f6f794d KD |
532 | dev_printk(KERN_INFO, &mpt2sas_phy->phy->dev, |
533 | "add: sas_addr(0x%016llx), phy(%d)\n", (unsigned long long) | |
534 | sas_address, mpt2sas_phy->phy_id); | |
38c29114 | 535 | |
7f6f794d KD |
536 | list_add_tail(&mpt2sas_phy->port_siblings, &mpt2sas_port->phy_list); |
537 | mpt2sas_port->num_phys++; | |
538 | sas_port_add_phy(mpt2sas_port->port, mpt2sas_phy->phy); | |
539 | mpt2sas_phy->phy_belongs_to_port = 1; | |
540 | } | |
541 | ||
542 | /** | |
543 | * _transport_add_phy_to_an_existing_port - adding new phy to existing port | |
544 | * @ioc: per adapter object | |
545 | * @sas_node: sas node object (either expander or sas host) | |
546 | * @mpt2sas_phy: mpt2sas per phy object | |
547 | * @sas_address: sas address of device/expander were phy needs to be added to | |
548 | * | |
549 | * Returns nothing. | |
550 | */ | |
551 | static void | |
552 | _transport_add_phy_to_an_existing_port(struct MPT2SAS_ADAPTER *ioc, | |
553 | struct _sas_node *sas_node, struct _sas_phy *mpt2sas_phy, u64 sas_address) | |
554 | { | |
555 | struct _sas_port *mpt2sas_port; | |
556 | struct _sas_phy *phy_srch; | |
557 | ||
558 | if (mpt2sas_phy->phy_belongs_to_port == 1) | |
559 | return; | |
560 | ||
561 | list_for_each_entry(mpt2sas_port, &sas_node->sas_port_list, | |
562 | port_list) { | |
563 | if (mpt2sas_port->remote_identify.sas_address != | |
564 | sas_address) | |
565 | continue; | |
566 | list_for_each_entry(phy_srch, &mpt2sas_port->phy_list, | |
38c29114 | 567 | port_siblings) { |
7f6f794d KD |
568 | if (phy_srch == mpt2sas_phy) |
569 | return; | |
38c29114 | 570 | } |
7f6f794d KD |
571 | _transport_add_phy(ioc, mpt2sas_port, mpt2sas_phy); |
572 | return; | |
38c29114 KD |
573 | } |
574 | ||
7f6f794d KD |
575 | } |
576 | ||
577 | /** | |
578 | * _transport_del_phy_from_an_existing_port - delete phy from existing port | |
579 | * @ioc: per adapter object | |
580 | * @sas_node: sas node object (either expander or sas host) | |
581 | * @mpt2sas_phy: mpt2sas per phy object | |
582 | * | |
583 | * Returns nothing. | |
584 | */ | |
585 | static void | |
586 | _transport_del_phy_from_an_existing_port(struct MPT2SAS_ADAPTER *ioc, | |
587 | struct _sas_node *sas_node, struct _sas_phy *mpt2sas_phy) | |
588 | { | |
589 | struct _sas_port *mpt2sas_port, *next; | |
590 | struct _sas_phy *phy_srch; | |
591 | ||
592 | if (mpt2sas_phy->phy_belongs_to_port == 0) | |
38c29114 KD |
593 | return; |
594 | ||
7f6f794d KD |
595 | list_for_each_entry_safe(mpt2sas_port, next, &sas_node->sas_port_list, |
596 | port_list) { | |
597 | list_for_each_entry(phy_srch, &mpt2sas_port->phy_list, | |
598 | port_siblings) { | |
599 | if (phy_srch != mpt2sas_phy) | |
600 | continue; | |
601 | if (mpt2sas_port->num_phys == 1) | |
602 | _transport_delete_port(ioc, mpt2sas_port); | |
603 | else | |
604 | _transport_delete_phy(ioc, mpt2sas_port, | |
605 | mpt2sas_phy); | |
606 | return; | |
607 | } | |
608 | } | |
38c29114 KD |
609 | } |
610 | ||
611 | /** | |
612 | * _transport_sanity_check - sanity check when adding a new port | |
613 | * @ioc: per adapter object | |
614 | * @sas_node: sas node object (either expander or sas host) | |
615 | * @sas_address: sas address of device being added | |
616 | * | |
617 | * See the explanation above from _transport_delete_duplicate_port | |
618 | */ | |
619 | static void | |
620 | _transport_sanity_check(struct MPT2SAS_ADAPTER *ioc, struct _sas_node *sas_node, | |
621 | u64 sas_address) | |
622 | { | |
623 | int i; | |
624 | ||
7f6f794d KD |
625 | for (i = 0; i < sas_node->num_phys; i++) { |
626 | if (sas_node->phy[i].remote_identify.sas_address != sas_address) | |
627 | continue; | |
628 | if (sas_node->phy[i].phy_belongs_to_port == 1) | |
629 | _transport_del_phy_from_an_existing_port(ioc, sas_node, | |
630 | &sas_node->phy[i]); | |
631 | } | |
38c29114 KD |
632 | } |
633 | ||
635374e7 EM |
634 | /** |
635 | * mpt2sas_transport_port_add - insert port to the list | |
636 | * @ioc: per adapter object | |
637 | * @handle: handle of attached device | |
c5e039be | 638 | * @sas_address: sas address of parent expander or sas host |
635374e7 EM |
639 | * Context: This function will acquire ioc->sas_node_lock. |
640 | * | |
641 | * Adding new port object to the sas_node->sas_port_list. | |
642 | * | |
643 | * Returns mpt2sas_port. | |
644 | */ | |
645 | struct _sas_port * | |
646 | mpt2sas_transport_port_add(struct MPT2SAS_ADAPTER *ioc, u16 handle, | |
c5e039be | 647 | u64 sas_address) |
635374e7 EM |
648 | { |
649 | struct _sas_phy *mpt2sas_phy, *next; | |
650 | struct _sas_port *mpt2sas_port; | |
651 | unsigned long flags; | |
652 | struct _sas_node *sas_node; | |
653 | struct sas_rphy *rphy; | |
654 | int i; | |
655 | struct sas_port *port; | |
656 | ||
635374e7 EM |
657 | mpt2sas_port = kzalloc(sizeof(struct _sas_port), |
658 | GFP_KERNEL); | |
659 | if (!mpt2sas_port) { | |
660 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
661 | ioc->name, __FILE__, __LINE__, __func__); | |
662 | return NULL; | |
663 | } | |
664 | ||
665 | INIT_LIST_HEAD(&mpt2sas_port->port_list); | |
666 | INIT_LIST_HEAD(&mpt2sas_port->phy_list); | |
667 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
c5e039be | 668 | sas_node = _transport_sas_node_find_by_sas_address(ioc, sas_address); |
635374e7 EM |
669 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
670 | ||
671 | if (!sas_node) { | |
c5e039be KD |
672 | printk(MPT2SAS_ERR_FMT "%s: Could not find " |
673 | "parent sas_address(0x%016llx)!\n", ioc->name, | |
674 | __func__, (unsigned long long)sas_address); | |
635374e7 EM |
675 | goto out_fail; |
676 | } | |
677 | ||
635374e7 EM |
678 | if ((_transport_set_identify(ioc, handle, |
679 | &mpt2sas_port->remote_identify))) { | |
680 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
681 | ioc->name, __FILE__, __LINE__, __func__); | |
682 | goto out_fail; | |
683 | } | |
684 | ||
685 | if (mpt2sas_port->remote_identify.device_type == SAS_PHY_UNUSED) { | |
686 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
687 | ioc->name, __FILE__, __LINE__, __func__); | |
688 | goto out_fail; | |
689 | } | |
690 | ||
38c29114 KD |
691 | _transport_sanity_check(ioc, sas_node, |
692 | mpt2sas_port->remote_identify.sas_address); | |
693 | ||
635374e7 EM |
694 | for (i = 0; i < sas_node->num_phys; i++) { |
695 | if (sas_node->phy[i].remote_identify.sas_address != | |
696 | mpt2sas_port->remote_identify.sas_address) | |
697 | continue; | |
698 | list_add_tail(&sas_node->phy[i].port_siblings, | |
699 | &mpt2sas_port->phy_list); | |
700 | mpt2sas_port->num_phys++; | |
701 | } | |
702 | ||
703 | if (!mpt2sas_port->num_phys) { | |
704 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
705 | ioc->name, __FILE__, __LINE__, __func__); | |
706 | goto out_fail; | |
707 | } | |
708 | ||
709 | port = sas_port_alloc_num(sas_node->parent_dev); | |
710 | if ((sas_port_add(port))) { | |
711 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
712 | ioc->name, __FILE__, __LINE__, __func__); | |
713 | goto out_fail; | |
714 | } | |
715 | ||
716 | list_for_each_entry(mpt2sas_phy, &mpt2sas_port->phy_list, | |
717 | port_siblings) { | |
718 | if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) | |
719 | dev_printk(KERN_INFO, &port->dev, "add: handle(0x%04x)" | |
720 | ", sas_addr(0x%016llx), phy(%d)\n", handle, | |
721 | (unsigned long long) | |
722 | mpt2sas_port->remote_identify.sas_address, | |
723 | mpt2sas_phy->phy_id); | |
724 | sas_port_add_phy(port, mpt2sas_phy->phy); | |
38c29114 | 725 | mpt2sas_phy->phy_belongs_to_port = 1; |
635374e7 EM |
726 | } |
727 | ||
728 | mpt2sas_port->port = port; | |
729 | if (mpt2sas_port->remote_identify.device_type == SAS_END_DEVICE) | |
730 | rphy = sas_end_device_alloc(port); | |
731 | else | |
732 | rphy = sas_expander_alloc(port, | |
733 | mpt2sas_port->remote_identify.device_type); | |
734 | ||
735 | rphy->identify = mpt2sas_port->remote_identify; | |
736 | if ((sas_rphy_add(rphy))) { | |
737 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
738 | ioc->name, __FILE__, __LINE__, __func__); | |
739 | } | |
740 | if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) | |
741 | dev_printk(KERN_INFO, &rphy->dev, "add: handle(0x%04x), " | |
742 | "sas_addr(0x%016llx)\n", handle, | |
743 | (unsigned long long) | |
744 | mpt2sas_port->remote_identify.sas_address); | |
745 | mpt2sas_port->rphy = rphy; | |
746 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
747 | list_add_tail(&mpt2sas_port->port_list, &sas_node->sas_port_list); | |
748 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
749 | ||
750 | /* fill in report manufacture */ | |
751 | if (mpt2sas_port->remote_identify.device_type == | |
752 | MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER || | |
753 | mpt2sas_port->remote_identify.device_type == | |
754 | MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER) | |
d5d135b3 | 755 | _transport_expander_report_manufacture(ioc, |
635374e7 EM |
756 | mpt2sas_port->remote_identify.sas_address, |
757 | rphy_to_expander_device(rphy)); | |
758 | ||
759 | return mpt2sas_port; | |
760 | ||
761 | out_fail: | |
762 | list_for_each_entry_safe(mpt2sas_phy, next, &mpt2sas_port->phy_list, | |
763 | port_siblings) | |
764 | list_del(&mpt2sas_phy->port_siblings); | |
765 | kfree(mpt2sas_port); | |
766 | return NULL; | |
767 | } | |
768 | ||
769 | /** | |
770 | * mpt2sas_transport_port_remove - remove port from the list | |
771 | * @ioc: per adapter object | |
772 | * @sas_address: sas address of attached device | |
c5e039be | 773 | * @sas_address_parent: sas address of parent expander or sas host |
635374e7 EM |
774 | * Context: This function will acquire ioc->sas_node_lock. |
775 | * | |
776 | * Removing object and freeing associated memory from the | |
777 | * ioc->sas_port_list. | |
778 | * | |
779 | * Return nothing. | |
780 | */ | |
781 | void | |
782 | mpt2sas_transport_port_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, | |
c5e039be | 783 | u64 sas_address_parent) |
635374e7 EM |
784 | { |
785 | int i; | |
786 | unsigned long flags; | |
787 | struct _sas_port *mpt2sas_port, *next; | |
788 | struct _sas_node *sas_node; | |
789 | u8 found = 0; | |
790 | struct _sas_phy *mpt2sas_phy, *next_phy; | |
791 | ||
792 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
c5e039be KD |
793 | sas_node = _transport_sas_node_find_by_sas_address(ioc, |
794 | sas_address_parent); | |
635374e7 EM |
795 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
796 | if (!sas_node) | |
797 | return; | |
798 | list_for_each_entry_safe(mpt2sas_port, next, &sas_node->sas_port_list, | |
799 | port_list) { | |
800 | if (mpt2sas_port->remote_identify.sas_address != sas_address) | |
801 | continue; | |
802 | found = 1; | |
803 | list_del(&mpt2sas_port->port_list); | |
804 | goto out; | |
805 | } | |
806 | out: | |
807 | if (!found) | |
808 | return; | |
809 | ||
810 | for (i = 0; i < sas_node->num_phys; i++) { | |
811 | if (sas_node->phy[i].remote_identify.sas_address == sas_address) | |
812 | memset(&sas_node->phy[i].remote_identify, 0 , | |
813 | sizeof(struct sas_identify)); | |
814 | } | |
815 | ||
816 | list_for_each_entry_safe(mpt2sas_phy, next_phy, | |
817 | &mpt2sas_port->phy_list, port_siblings) { | |
818 | if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) | |
819 | dev_printk(KERN_INFO, &mpt2sas_port->port->dev, | |
c5e039be | 820 | "remove: sas_addr(0x%016llx), phy(%d)\n", |
635374e7 EM |
821 | (unsigned long long) |
822 | mpt2sas_port->remote_identify.sas_address, | |
823 | mpt2sas_phy->phy_id); | |
38c29114 | 824 | mpt2sas_phy->phy_belongs_to_port = 0; |
635374e7 EM |
825 | sas_port_delete_phy(mpt2sas_port->port, mpt2sas_phy->phy); |
826 | list_del(&mpt2sas_phy->port_siblings); | |
827 | } | |
828 | sas_port_delete(mpt2sas_port->port); | |
829 | kfree(mpt2sas_port); | |
830 | } | |
831 | ||
832 | /** | |
833 | * mpt2sas_transport_add_host_phy - report sas_host phy to transport | |
834 | * @ioc: per adapter object | |
835 | * @mpt2sas_phy: mpt2sas per phy object | |
836 | * @phy_pg0: sas phy page 0 | |
837 | * @parent_dev: parent device class object | |
838 | * | |
839 | * Returns 0 for success, non-zero for failure. | |
840 | */ | |
841 | int | |
842 | mpt2sas_transport_add_host_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy | |
843 | *mpt2sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev) | |
844 | { | |
845 | struct sas_phy *phy; | |
846 | int phy_index = mpt2sas_phy->phy_id; | |
847 | ||
848 | ||
849 | INIT_LIST_HEAD(&mpt2sas_phy->port_siblings); | |
850 | phy = sas_phy_alloc(parent_dev, phy_index); | |
851 | if (!phy) { | |
852 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
853 | ioc->name, __FILE__, __LINE__, __func__); | |
854 | return -1; | |
855 | } | |
856 | if ((_transport_set_identify(ioc, mpt2sas_phy->handle, | |
857 | &mpt2sas_phy->identify))) { | |
858 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
859 | ioc->name, __FILE__, __LINE__, __func__); | |
860 | return -1; | |
861 | } | |
862 | phy->identify = mpt2sas_phy->identify; | |
863 | mpt2sas_phy->attached_handle = le16_to_cpu(phy_pg0.AttachedDevHandle); | |
864 | if (mpt2sas_phy->attached_handle) | |
865 | _transport_set_identify(ioc, mpt2sas_phy->attached_handle, | |
866 | &mpt2sas_phy->remote_identify); | |
867 | phy->identify.phy_identifier = mpt2sas_phy->phy_id; | |
868 | phy->negotiated_linkrate = _transport_convert_phy_link_rate( | |
869 | phy_pg0.NegotiatedLinkRate & MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL); | |
870 | phy->minimum_linkrate_hw = _transport_convert_phy_link_rate( | |
871 | phy_pg0.HwLinkRate & MPI2_SAS_HWRATE_MIN_RATE_MASK); | |
872 | phy->maximum_linkrate_hw = _transport_convert_phy_link_rate( | |
873 | phy_pg0.HwLinkRate >> 4); | |
874 | phy->minimum_linkrate = _transport_convert_phy_link_rate( | |
875 | phy_pg0.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK); | |
876 | phy->maximum_linkrate = _transport_convert_phy_link_rate( | |
877 | phy_pg0.ProgrammedLinkRate >> 4); | |
878 | ||
879 | if ((sas_phy_add(phy))) { | |
880 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
881 | ioc->name, __FILE__, __LINE__, __func__); | |
882 | sas_phy_free(phy); | |
883 | return -1; | |
884 | } | |
885 | if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) | |
886 | dev_printk(KERN_INFO, &phy->dev, | |
887 | "add: handle(0x%04x), sas_addr(0x%016llx)\n" | |
888 | "\tattached_handle(0x%04x), sas_addr(0x%016llx)\n", | |
889 | mpt2sas_phy->handle, (unsigned long long) | |
890 | mpt2sas_phy->identify.sas_address, | |
891 | mpt2sas_phy->attached_handle, | |
892 | (unsigned long long) | |
893 | mpt2sas_phy->remote_identify.sas_address); | |
894 | mpt2sas_phy->phy = phy; | |
895 | return 0; | |
896 | } | |
897 | ||
898 | ||
899 | /** | |
900 | * mpt2sas_transport_add_expander_phy - report expander phy to transport | |
901 | * @ioc: per adapter object | |
902 | * @mpt2sas_phy: mpt2sas per phy object | |
903 | * @expander_pg1: expander page 1 | |
904 | * @parent_dev: parent device class object | |
905 | * | |
906 | * Returns 0 for success, non-zero for failure. | |
907 | */ | |
908 | int | |
909 | mpt2sas_transport_add_expander_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy | |
910 | *mpt2sas_phy, Mpi2ExpanderPage1_t expander_pg1, struct device *parent_dev) | |
911 | { | |
912 | struct sas_phy *phy; | |
913 | int phy_index = mpt2sas_phy->phy_id; | |
914 | ||
915 | INIT_LIST_HEAD(&mpt2sas_phy->port_siblings); | |
916 | phy = sas_phy_alloc(parent_dev, phy_index); | |
917 | if (!phy) { | |
918 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
919 | ioc->name, __FILE__, __LINE__, __func__); | |
920 | return -1; | |
921 | } | |
922 | if ((_transport_set_identify(ioc, mpt2sas_phy->handle, | |
923 | &mpt2sas_phy->identify))) { | |
924 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
925 | ioc->name, __FILE__, __LINE__, __func__); | |
926 | return -1; | |
927 | } | |
928 | phy->identify = mpt2sas_phy->identify; | |
929 | mpt2sas_phy->attached_handle = | |
930 | le16_to_cpu(expander_pg1.AttachedDevHandle); | |
931 | if (mpt2sas_phy->attached_handle) | |
932 | _transport_set_identify(ioc, mpt2sas_phy->attached_handle, | |
933 | &mpt2sas_phy->remote_identify); | |
934 | phy->identify.phy_identifier = mpt2sas_phy->phy_id; | |
935 | phy->negotiated_linkrate = _transport_convert_phy_link_rate( | |
936 | expander_pg1.NegotiatedLinkRate & | |
937 | MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL); | |
938 | phy->minimum_linkrate_hw = _transport_convert_phy_link_rate( | |
939 | expander_pg1.HwLinkRate & MPI2_SAS_HWRATE_MIN_RATE_MASK); | |
940 | phy->maximum_linkrate_hw = _transport_convert_phy_link_rate( | |
941 | expander_pg1.HwLinkRate >> 4); | |
942 | phy->minimum_linkrate = _transport_convert_phy_link_rate( | |
943 | expander_pg1.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK); | |
944 | phy->maximum_linkrate = _transport_convert_phy_link_rate( | |
945 | expander_pg1.ProgrammedLinkRate >> 4); | |
946 | ||
947 | if ((sas_phy_add(phy))) { | |
948 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
949 | ioc->name, __FILE__, __LINE__, __func__); | |
950 | sas_phy_free(phy); | |
951 | return -1; | |
952 | } | |
953 | if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) | |
954 | dev_printk(KERN_INFO, &phy->dev, | |
955 | "add: handle(0x%04x), sas_addr(0x%016llx)\n" | |
956 | "\tattached_handle(0x%04x), sas_addr(0x%016llx)\n", | |
957 | mpt2sas_phy->handle, (unsigned long long) | |
958 | mpt2sas_phy->identify.sas_address, | |
959 | mpt2sas_phy->attached_handle, | |
960 | (unsigned long long) | |
961 | mpt2sas_phy->remote_identify.sas_address); | |
962 | mpt2sas_phy->phy = phy; | |
963 | return 0; | |
964 | } | |
965 | ||
966 | /** | |
cc0f5207 | 967 | * mpt2sas_transport_update_links - refreshing phy link changes |
635374e7 | 968 | * @ioc: per adapter object |
c5e039be KD |
969 | * @sas_address: sas address of parent expander or sas host |
970 | * @handle: attached device handle | |
635374e7 EM |
971 | * @phy_numberv: phy number |
972 | * @link_rate: new link rate | |
973 | * | |
974 | * Returns nothing. | |
975 | */ | |
976 | void | |
cc0f5207 | 977 | mpt2sas_transport_update_links(struct MPT2SAS_ADAPTER *ioc, |
c5e039be | 978 | u64 sas_address, u16 handle, u8 phy_number, u8 link_rate) |
635374e7 EM |
979 | { |
980 | unsigned long flags; | |
981 | struct _sas_node *sas_node; | |
982 | struct _sas_phy *mpt2sas_phy; | |
983 | ||
3cb5469a | 984 | if (ioc->shost_recovery || ioc->pci_error_recovery) |
155dd4c7 | 985 | return; |
155dd4c7 | 986 | |
635374e7 | 987 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
c5e039be | 988 | sas_node = _transport_sas_node_find_by_sas_address(ioc, sas_address); |
635374e7 EM |
989 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
990 | if (!sas_node) | |
991 | return; | |
992 | ||
993 | mpt2sas_phy = &sas_node->phy[phy_number]; | |
c5e039be | 994 | mpt2sas_phy->attached_handle = handle; |
7f6f794d | 995 | if (handle && (link_rate >= MPI2_SAS_NEG_LINK_RATE_1_5)) { |
c5e039be | 996 | _transport_set_identify(ioc, handle, |
635374e7 | 997 | &mpt2sas_phy->remote_identify); |
7f6f794d KD |
998 | _transport_add_phy_to_an_existing_port(ioc, sas_node, |
999 | mpt2sas_phy, mpt2sas_phy->remote_identify.sas_address); | |
1000 | } else | |
635374e7 EM |
1001 | memset(&mpt2sas_phy->remote_identify, 0 , sizeof(struct |
1002 | sas_identify)); | |
1003 | ||
1004 | if (mpt2sas_phy->phy) | |
1005 | mpt2sas_phy->phy->negotiated_linkrate = | |
1006 | _transport_convert_phy_link_rate(link_rate); | |
1007 | ||
1008 | if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) | |
1009 | dev_printk(KERN_INFO, &mpt2sas_phy->phy->dev, | |
c5e039be | 1010 | "refresh: parent sas_addr(0x%016llx),\n" |
635374e7 EM |
1011 | "\tlink_rate(0x%02x), phy(%d)\n" |
1012 | "\tattached_handle(0x%04x), sas_addr(0x%016llx)\n", | |
c5e039be KD |
1013 | (unsigned long long)sas_address, |
1014 | link_rate, phy_number, handle, (unsigned long long) | |
635374e7 EM |
1015 | mpt2sas_phy->remote_identify.sas_address); |
1016 | } | |
1017 | ||
1018 | static inline void * | |
1019 | phy_to_ioc(struct sas_phy *phy) | |
1020 | { | |
1021 | struct Scsi_Host *shost = dev_to_shost(phy->dev.parent); | |
1022 | return shost_priv(shost); | |
1023 | } | |
1024 | ||
1025 | static inline void * | |
1026 | rphy_to_ioc(struct sas_rphy *rphy) | |
1027 | { | |
1028 | struct Scsi_Host *shost = dev_to_shost(rphy->dev.parent->parent); | |
1029 | return shost_priv(shost); | |
1030 | } | |
1031 | ||
50d5c606 | 1032 | |
d5f491e6 KD |
1033 | /* report phy error log structure */ |
1034 | struct phy_error_log_request{ | |
1035 | u8 smp_frame_type; /* 0x40 */ | |
1036 | u8 function; /* 0x11 */ | |
1037 | u8 allocated_response_length; | |
1038 | u8 request_length; /* 02 */ | |
1039 | u8 reserved_1[5]; | |
1040 | u8 phy_identifier; | |
1041 | u8 reserved_2[2]; | |
1042 | }; | |
1043 | ||
1044 | /* report phy error log reply structure */ | |
1045 | struct phy_error_log_reply{ | |
1046 | u8 smp_frame_type; /* 0x41 */ | |
1047 | u8 function; /* 0x11 */ | |
1048 | u8 function_result; | |
1049 | u8 response_length; | |
c97951ec | 1050 | __be16 expander_change_count; |
d5f491e6 KD |
1051 | u8 reserved_1[3]; |
1052 | u8 phy_identifier; | |
1053 | u8 reserved_2[2]; | |
c97951ec KD |
1054 | __be32 invalid_dword; |
1055 | __be32 running_disparity_error; | |
1056 | __be32 loss_of_dword_sync; | |
1057 | __be32 phy_reset_problem; | |
d5f491e6 KD |
1058 | }; |
1059 | ||
1060 | /** | |
1061 | * _transport_get_expander_phy_error_log - return expander counters | |
1062 | * @ioc: per adapter object | |
1063 | * @phy: The sas phy object | |
1064 | * | |
1065 | * Returns 0 for success, non-zero for failure. | |
1066 | * | |
1067 | */ | |
1068 | static int | |
1069 | _transport_get_expander_phy_error_log(struct MPT2SAS_ADAPTER *ioc, | |
1070 | struct sas_phy *phy) | |
1071 | { | |
1072 | Mpi2SmpPassthroughRequest_t *mpi_request; | |
1073 | Mpi2SmpPassthroughReply_t *mpi_reply; | |
1074 | struct phy_error_log_request *phy_error_log_request; | |
1075 | struct phy_error_log_reply *phy_error_log_reply; | |
1076 | int rc; | |
1077 | u16 smid; | |
1078 | u32 ioc_state; | |
1079 | unsigned long timeleft; | |
1080 | void *psge; | |
1081 | u32 sgl_flags; | |
1082 | u8 issue_reset = 0; | |
1083 | void *data_out = NULL; | |
1084 | dma_addr_t data_out_dma; | |
1085 | u32 sz; | |
d5f491e6 KD |
1086 | u16 wait_state_count; |
1087 | ||
3cb5469a | 1088 | if (ioc->shost_recovery || ioc->pci_error_recovery) { |
d5f491e6 KD |
1089 | printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", |
1090 | __func__, ioc->name); | |
1091 | return -EFAULT; | |
1092 | } | |
1093 | ||
1094 | mutex_lock(&ioc->transport_cmds.mutex); | |
1095 | ||
1096 | if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) { | |
1097 | printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n", | |
1098 | ioc->name, __func__); | |
1099 | rc = -EAGAIN; | |
1100 | goto out; | |
1101 | } | |
1102 | ioc->transport_cmds.status = MPT2_CMD_PENDING; | |
1103 | ||
1104 | wait_state_count = 0; | |
1105 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
1106 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
1107 | if (wait_state_count++ == 10) { | |
1108 | printk(MPT2SAS_ERR_FMT | |
1109 | "%s: failed due to ioc not operational\n", | |
1110 | ioc->name, __func__); | |
1111 | rc = -EFAULT; | |
1112 | goto out; | |
1113 | } | |
1114 | ssleep(1); | |
1115 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
1116 | printk(MPT2SAS_INFO_FMT "%s: waiting for " | |
1117 | "operational state(count=%d)\n", ioc->name, | |
1118 | __func__, wait_state_count); | |
1119 | } | |
1120 | if (wait_state_count) | |
1121 | printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n", | |
1122 | ioc->name, __func__); | |
1123 | ||
1124 | smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx); | |
1125 | if (!smid) { | |
1126 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
1127 | ioc->name, __func__); | |
1128 | rc = -EAGAIN; | |
1129 | goto out; | |
1130 | } | |
1131 | ||
1132 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
1133 | ioc->transport_cmds.smid = smid; | |
1134 | ||
1135 | sz = sizeof(struct phy_error_log_request) + | |
1136 | sizeof(struct phy_error_log_reply); | |
1137 | data_out = pci_alloc_consistent(ioc->pdev, sz, &data_out_dma); | |
1138 | if (!data_out) { | |
1139 | printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, | |
1140 | __LINE__, __func__); | |
1141 | rc = -ENOMEM; | |
1142 | mpt2sas_base_free_smid(ioc, smid); | |
1143 | goto out; | |
1144 | } | |
1145 | ||
1146 | rc = -EINVAL; | |
1147 | memset(data_out, 0, sz); | |
1148 | phy_error_log_request = data_out; | |
1149 | phy_error_log_request->smp_frame_type = 0x40; | |
1150 | phy_error_log_request->function = 0x11; | |
1151 | phy_error_log_request->request_length = 2; | |
1152 | phy_error_log_request->allocated_response_length = 0; | |
1153 | phy_error_log_request->phy_identifier = phy->number; | |
1154 | ||
1155 | memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t)); | |
1156 | mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; | |
1157 | mpi_request->PhysicalPort = 0xFF; | |
1158 | mpi_request->VF_ID = 0; /* TODO */ | |
1159 | mpi_request->VP_ID = 0; | |
c97951ec | 1160 | mpi_request->SASAddress = cpu_to_le64(phy->identify.sas_address); |
d5f491e6 KD |
1161 | mpi_request->RequestDataLength = |
1162 | cpu_to_le16(sizeof(struct phy_error_log_request)); | |
1163 | psge = &mpi_request->SGL; | |
1164 | ||
1165 | /* WRITE sgel first */ | |
1166 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
1167 | MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC); | |
1168 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
1169 | ioc->base_add_sg_single(psge, sgl_flags | | |
1170 | sizeof(struct phy_error_log_request), data_out_dma); | |
1171 | ||
1172 | /* incr sgel */ | |
1173 | psge += ioc->sge_size; | |
1174 | ||
1175 | /* READ sgel last */ | |
1176 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
1177 | MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | | |
1178 | MPI2_SGE_FLAGS_END_OF_LIST); | |
1179 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
1180 | ioc->base_add_sg_single(psge, sgl_flags | | |
1181 | sizeof(struct phy_error_log_reply), data_out_dma + | |
1182 | sizeof(struct phy_error_log_request)); | |
1183 | ||
1184 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_error_log - " | |
1185 | "send to sas_addr(0x%016llx), phy(%d)\n", ioc->name, | |
1186 | (unsigned long long)phy->identify.sas_address, phy->number)); | |
d5f491e6 | 1187 | init_completion(&ioc->transport_cmds.done); |
f01690d3 | 1188 | mpt2sas_base_put_smid_default(ioc, smid); |
d5f491e6 KD |
1189 | timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done, |
1190 | 10*HZ); | |
1191 | ||
1192 | if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) { | |
1193 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
1194 | ioc->name, __func__); | |
1195 | _debug_dump_mf(mpi_request, | |
1196 | sizeof(Mpi2SmpPassthroughRequest_t)/4); | |
1197 | if (!(ioc->transport_cmds.status & MPT2_CMD_RESET)) | |
1198 | issue_reset = 1; | |
1199 | goto issue_host_reset; | |
1200 | } | |
1201 | ||
1202 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_error_log - " | |
1203 | "complete\n", ioc->name)); | |
1204 | ||
1205 | if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) { | |
1206 | ||
1207 | mpi_reply = ioc->transport_cmds.reply; | |
1208 | ||
1209 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT | |
1210 | "phy_error_log - reply data transfer size(%d)\n", | |
1211 | ioc->name, le16_to_cpu(mpi_reply->ResponseDataLength))); | |
1212 | ||
1213 | if (le16_to_cpu(mpi_reply->ResponseDataLength) != | |
1214 | sizeof(struct phy_error_log_reply)) | |
1215 | goto out; | |
1216 | ||
1217 | phy_error_log_reply = data_out + | |
1218 | sizeof(struct phy_error_log_request); | |
1219 | ||
1220 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT | |
1221 | "phy_error_log - function_result(%d)\n", | |
1222 | ioc->name, phy_error_log_reply->function_result)); | |
1223 | ||
1224 | phy->invalid_dword_count = | |
1225 | be32_to_cpu(phy_error_log_reply->invalid_dword); | |
1226 | phy->running_disparity_error_count = | |
1227 | be32_to_cpu(phy_error_log_reply->running_disparity_error); | |
1228 | phy->loss_of_dword_sync_count = | |
1229 | be32_to_cpu(phy_error_log_reply->loss_of_dword_sync); | |
1230 | phy->phy_reset_problem_count = | |
1231 | be32_to_cpu(phy_error_log_reply->phy_reset_problem); | |
1232 | rc = 0; | |
1233 | } else | |
1234 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT | |
1235 | "phy_error_log - no reply\n", ioc->name)); | |
1236 | ||
1237 | issue_host_reset: | |
1238 | if (issue_reset) | |
1239 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
1240 | FORCE_BIG_HAMMER); | |
1241 | out: | |
1242 | ioc->transport_cmds.status = MPT2_CMD_NOT_USED; | |
1243 | if (data_out) | |
1244 | pci_free_consistent(ioc->pdev, sz, data_out, data_out_dma); | |
1245 | ||
1246 | mutex_unlock(&ioc->transport_cmds.mutex); | |
1247 | return rc; | |
1248 | } | |
1249 | ||
635374e7 | 1250 | /** |
d5f491e6 | 1251 | * _transport_get_linkerrors - return phy counters for both hba and expanders |
635374e7 EM |
1252 | * @phy: The sas phy object |
1253 | * | |
635374e7 EM |
1254 | * Returns 0 for success, non-zero for failure. |
1255 | * | |
1256 | */ | |
1257 | static int | |
d5d135b3 | 1258 | _transport_get_linkerrors(struct sas_phy *phy) |
635374e7 EM |
1259 | { |
1260 | struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy); | |
d5f491e6 | 1261 | unsigned long flags; |
635374e7 EM |
1262 | Mpi2ConfigReply_t mpi_reply; |
1263 | Mpi2SasPhyPage1_t phy_pg1; | |
635374e7 | 1264 | |
d5f491e6 KD |
1265 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
1266 | if (_transport_sas_node_find_by_sas_address(ioc, | |
1267 | phy->identify.sas_address) == NULL) { | |
1268 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
635374e7 | 1269 | return -EINVAL; |
d5f491e6 KD |
1270 | } |
1271 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
1272 | ||
1273 | if (phy->identify.sas_address != ioc->sas_hba.sas_address) | |
1274 | return _transport_get_expander_phy_error_log(ioc, phy); | |
635374e7 | 1275 | |
d5f491e6 | 1276 | /* get hba phy error logs */ |
635374e7 | 1277 | if ((mpt2sas_config_get_phy_pg1(ioc, &mpi_reply, &phy_pg1, |
d5f491e6 | 1278 | phy->number))) { |
635374e7 EM |
1279 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
1280 | ioc->name, __FILE__, __LINE__, __func__); | |
1281 | return -ENXIO; | |
1282 | } | |
1283 | ||
1284 | if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) | |
1285 | printk(MPT2SAS_INFO_FMT "phy(%d), ioc_status" | |
1286 | "(0x%04x), loginfo(0x%08x)\n", ioc->name, | |
d5f491e6 | 1287 | phy->number, le16_to_cpu(mpi_reply.IOCStatus), |
635374e7 EM |
1288 | le32_to_cpu(mpi_reply.IOCLogInfo)); |
1289 | ||
1290 | phy->invalid_dword_count = le32_to_cpu(phy_pg1.InvalidDwordCount); | |
1291 | phy->running_disparity_error_count = | |
1292 | le32_to_cpu(phy_pg1.RunningDisparityErrorCount); | |
1293 | phy->loss_of_dword_sync_count = | |
1294 | le32_to_cpu(phy_pg1.LossDwordSynchCount); | |
1295 | phy->phy_reset_problem_count = | |
1296 | le32_to_cpu(phy_pg1.PhyResetProblemCount); | |
1297 | return 0; | |
1298 | } | |
1299 | ||
1300 | /** | |
d5d135b3 | 1301 | * _transport_get_enclosure_identifier - |
635374e7 EM |
1302 | * @phy: The sas phy object |
1303 | * | |
1304 | * Obtain the enclosure logical id for an expander. | |
1305 | * Returns 0 for success, non-zero for failure. | |
1306 | */ | |
1307 | static int | |
d5d135b3 | 1308 | _transport_get_enclosure_identifier(struct sas_rphy *rphy, u64 *identifier) |
635374e7 EM |
1309 | { |
1310 | struct MPT2SAS_ADAPTER *ioc = rphy_to_ioc(rphy); | |
ab6ce925 | 1311 | struct _sas_device *sas_device; |
635374e7 EM |
1312 | unsigned long flags; |
1313 | ||
ab6ce925 KD |
1314 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
1315 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
635374e7 | 1316 | rphy->identify.sas_address); |
ab6ce925 | 1317 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
635374e7 | 1318 | |
ab6ce925 | 1319 | if (!sas_device) |
635374e7 EM |
1320 | return -ENXIO; |
1321 | ||
ab6ce925 | 1322 | *identifier = sas_device->enclosure_logical_id; |
635374e7 EM |
1323 | return 0; |
1324 | } | |
1325 | ||
1326 | /** | |
d5d135b3 | 1327 | * _transport_get_bay_identifier - |
635374e7 EM |
1328 | * @phy: The sas phy object |
1329 | * | |
1330 | * Returns the slot id for a device that resides inside an enclosure. | |
1331 | */ | |
1332 | static int | |
d5d135b3 | 1333 | _transport_get_bay_identifier(struct sas_rphy *rphy) |
635374e7 EM |
1334 | { |
1335 | struct MPT2SAS_ADAPTER *ioc = rphy_to_ioc(rphy); | |
1336 | struct _sas_device *sas_device; | |
1337 | unsigned long flags; | |
1338 | ||
1339 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
1340 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
1341 | rphy->identify.sas_address); | |
1342 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
1343 | ||
1344 | if (!sas_device) | |
1345 | return -ENXIO; | |
1346 | ||
1347 | return sas_device->slot; | |
1348 | } | |
1349 | ||
b8d7d7bb KD |
1350 | /* phy control request structure */ |
1351 | struct phy_control_request{ | |
1352 | u8 smp_frame_type; /* 0x40 */ | |
1353 | u8 function; /* 0x91 */ | |
1354 | u8 allocated_response_length; | |
1355 | u8 request_length; /* 0x09 */ | |
1356 | u16 expander_change_count; | |
1357 | u8 reserved_1[3]; | |
1358 | u8 phy_identifier; | |
1359 | u8 phy_operation; | |
1360 | u8 reserved_2[13]; | |
1361 | u64 attached_device_name; | |
1362 | u8 programmed_min_physical_link_rate; | |
1363 | u8 programmed_max_physical_link_rate; | |
1364 | u8 reserved_3[6]; | |
1365 | }; | |
1366 | ||
1367 | /* phy control reply structure */ | |
1368 | struct phy_control_reply{ | |
1369 | u8 smp_frame_type; /* 0x41 */ | |
1370 | u8 function; /* 0x11 */ | |
1371 | u8 function_result; | |
1372 | u8 response_length; | |
1373 | }; | |
1374 | ||
1375 | #define SMP_PHY_CONTROL_LINK_RESET (0x01) | |
1376 | #define SMP_PHY_CONTROL_HARD_RESET (0x02) | |
1377 | #define SMP_PHY_CONTROL_DISABLE (0x03) | |
1378 | ||
1379 | /** | |
1380 | * _transport_expander_phy_control - expander phy control | |
1381 | * @ioc: per adapter object | |
1382 | * @phy: The sas phy object | |
1383 | * | |
1384 | * Returns 0 for success, non-zero for failure. | |
1385 | * | |
1386 | */ | |
1387 | static int | |
1388 | _transport_expander_phy_control(struct MPT2SAS_ADAPTER *ioc, | |
1389 | struct sas_phy *phy, u8 phy_operation) | |
1390 | { | |
1391 | Mpi2SmpPassthroughRequest_t *mpi_request; | |
1392 | Mpi2SmpPassthroughReply_t *mpi_reply; | |
1393 | struct phy_control_request *phy_control_request; | |
1394 | struct phy_control_reply *phy_control_reply; | |
1395 | int rc; | |
1396 | u16 smid; | |
1397 | u32 ioc_state; | |
1398 | unsigned long timeleft; | |
1399 | void *psge; | |
1400 | u32 sgl_flags; | |
1401 | u8 issue_reset = 0; | |
1402 | void *data_out = NULL; | |
1403 | dma_addr_t data_out_dma; | |
1404 | u32 sz; | |
b8d7d7bb KD |
1405 | u16 wait_state_count; |
1406 | ||
1407 | if (ioc->shost_recovery) { | |
1408 | printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", | |
1409 | __func__, ioc->name); | |
1410 | return -EFAULT; | |
1411 | } | |
1412 | ||
1413 | mutex_lock(&ioc->transport_cmds.mutex); | |
1414 | ||
1415 | if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) { | |
1416 | printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n", | |
1417 | ioc->name, __func__); | |
1418 | rc = -EAGAIN; | |
1419 | goto out; | |
1420 | } | |
1421 | ioc->transport_cmds.status = MPT2_CMD_PENDING; | |
1422 | ||
1423 | wait_state_count = 0; | |
1424 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
1425 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
1426 | if (wait_state_count++ == 10) { | |
1427 | printk(MPT2SAS_ERR_FMT | |
1428 | "%s: failed due to ioc not operational\n", | |
1429 | ioc->name, __func__); | |
1430 | rc = -EFAULT; | |
1431 | goto out; | |
1432 | } | |
1433 | ssleep(1); | |
1434 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
1435 | printk(MPT2SAS_INFO_FMT "%s: waiting for " | |
1436 | "operational state(count=%d)\n", ioc->name, | |
1437 | __func__, wait_state_count); | |
1438 | } | |
1439 | if (wait_state_count) | |
1440 | printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n", | |
1441 | ioc->name, __func__); | |
1442 | ||
1443 | smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx); | |
1444 | if (!smid) { | |
1445 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
1446 | ioc->name, __func__); | |
1447 | rc = -EAGAIN; | |
1448 | goto out; | |
1449 | } | |
1450 | ||
1451 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
1452 | ioc->transport_cmds.smid = smid; | |
1453 | ||
1454 | sz = sizeof(struct phy_control_request) + | |
1455 | sizeof(struct phy_control_reply); | |
1456 | data_out = pci_alloc_consistent(ioc->pdev, sz, &data_out_dma); | |
1457 | if (!data_out) { | |
1458 | printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, | |
1459 | __LINE__, __func__); | |
1460 | rc = -ENOMEM; | |
1461 | mpt2sas_base_free_smid(ioc, smid); | |
1462 | goto out; | |
1463 | } | |
1464 | ||
1465 | rc = -EINVAL; | |
1466 | memset(data_out, 0, sz); | |
1467 | phy_control_request = data_out; | |
1468 | phy_control_request->smp_frame_type = 0x40; | |
1469 | phy_control_request->function = 0x91; | |
1470 | phy_control_request->request_length = 9; | |
1471 | phy_control_request->allocated_response_length = 0; | |
1472 | phy_control_request->phy_identifier = phy->number; | |
1473 | phy_control_request->phy_operation = phy_operation; | |
1474 | phy_control_request->programmed_min_physical_link_rate = | |
1475 | phy->minimum_linkrate << 4; | |
1476 | phy_control_request->programmed_max_physical_link_rate = | |
1477 | phy->maximum_linkrate << 4; | |
1478 | ||
1479 | memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t)); | |
1480 | mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; | |
1481 | mpi_request->PhysicalPort = 0xFF; | |
1482 | mpi_request->VF_ID = 0; /* TODO */ | |
1483 | mpi_request->VP_ID = 0; | |
c97951ec | 1484 | mpi_request->SASAddress = cpu_to_le64(phy->identify.sas_address); |
b8d7d7bb KD |
1485 | mpi_request->RequestDataLength = |
1486 | cpu_to_le16(sizeof(struct phy_error_log_request)); | |
1487 | psge = &mpi_request->SGL; | |
1488 | ||
1489 | /* WRITE sgel first */ | |
1490 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
1491 | MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC); | |
1492 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
1493 | ioc->base_add_sg_single(psge, sgl_flags | | |
1494 | sizeof(struct phy_control_request), data_out_dma); | |
1495 | ||
1496 | /* incr sgel */ | |
1497 | psge += ioc->sge_size; | |
1498 | ||
1499 | /* READ sgel last */ | |
1500 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
1501 | MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | | |
1502 | MPI2_SGE_FLAGS_END_OF_LIST); | |
1503 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
1504 | ioc->base_add_sg_single(psge, sgl_flags | | |
1505 | sizeof(struct phy_control_reply), data_out_dma + | |
1506 | sizeof(struct phy_control_request)); | |
1507 | ||
1508 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_control - " | |
1509 | "send to sas_addr(0x%016llx), phy(%d), opcode(%d)\n", ioc->name, | |
1510 | (unsigned long long)phy->identify.sas_address, phy->number, | |
1511 | phy_operation)); | |
f01690d3 | 1512 | |
b8d7d7bb | 1513 | init_completion(&ioc->transport_cmds.done); |
f01690d3 | 1514 | mpt2sas_base_put_smid_default(ioc, smid); |
b8d7d7bb KD |
1515 | timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done, |
1516 | 10*HZ); | |
1517 | ||
1518 | if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) { | |
1519 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
1520 | ioc->name, __func__); | |
1521 | _debug_dump_mf(mpi_request, | |
1522 | sizeof(Mpi2SmpPassthroughRequest_t)/4); | |
1523 | if (!(ioc->transport_cmds.status & MPT2_CMD_RESET)) | |
1524 | issue_reset = 1; | |
1525 | goto issue_host_reset; | |
1526 | } | |
1527 | ||
1528 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_control - " | |
1529 | "complete\n", ioc->name)); | |
1530 | ||
1531 | if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) { | |
1532 | ||
1533 | mpi_reply = ioc->transport_cmds.reply; | |
1534 | ||
1535 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT | |
1536 | "phy_control - reply data transfer size(%d)\n", | |
1537 | ioc->name, le16_to_cpu(mpi_reply->ResponseDataLength))); | |
1538 | ||
1539 | if (le16_to_cpu(mpi_reply->ResponseDataLength) != | |
1540 | sizeof(struct phy_control_reply)) | |
1541 | goto out; | |
1542 | ||
1543 | phy_control_reply = data_out + | |
1544 | sizeof(struct phy_control_request); | |
1545 | ||
1546 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT | |
1547 | "phy_control - function_result(%d)\n", | |
1548 | ioc->name, phy_control_reply->function_result)); | |
1549 | ||
1550 | rc = 0; | |
1551 | } else | |
1552 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT | |
1553 | "phy_control - no reply\n", ioc->name)); | |
1554 | ||
1555 | issue_host_reset: | |
1556 | if (issue_reset) | |
1557 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
1558 | FORCE_BIG_HAMMER); | |
1559 | out: | |
1560 | ioc->transport_cmds.status = MPT2_CMD_NOT_USED; | |
1561 | if (data_out) | |
1562 | pci_free_consistent(ioc->pdev, sz, data_out, data_out_dma); | |
1563 | ||
1564 | mutex_unlock(&ioc->transport_cmds.mutex); | |
1565 | return rc; | |
1566 | } | |
1567 | ||
635374e7 | 1568 | /** |
d5d135b3 | 1569 | * _transport_phy_reset - |
635374e7 EM |
1570 | * @phy: The sas phy object |
1571 | * @hard_reset: | |
1572 | * | |
635374e7 EM |
1573 | * Returns 0 for success, non-zero for failure. |
1574 | */ | |
1575 | static int | |
d5d135b3 | 1576 | _transport_phy_reset(struct sas_phy *phy, int hard_reset) |
635374e7 EM |
1577 | { |
1578 | struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy); | |
635374e7 EM |
1579 | Mpi2SasIoUnitControlReply_t mpi_reply; |
1580 | Mpi2SasIoUnitControlRequest_t mpi_request; | |
b8d7d7bb | 1581 | unsigned long flags; |
635374e7 | 1582 | |
b8d7d7bb KD |
1583 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
1584 | if (_transport_sas_node_find_by_sas_address(ioc, | |
1585 | phy->identify.sas_address) == NULL) { | |
1586 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
635374e7 | 1587 | return -EINVAL; |
b8d7d7bb KD |
1588 | } |
1589 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
635374e7 | 1590 | |
b8d7d7bb KD |
1591 | /* handle expander phys */ |
1592 | if (phy->identify.sas_address != ioc->sas_hba.sas_address) | |
1593 | return _transport_expander_phy_control(ioc, phy, | |
1594 | (hard_reset == 1) ? SMP_PHY_CONTROL_HARD_RESET : | |
1595 | SMP_PHY_CONTROL_LINK_RESET); | |
1596 | ||
1597 | /* handle hba phys */ | |
635374e7 EM |
1598 | memset(&mpi_request, 0, sizeof(Mpi2SasIoUnitControlReply_t)); |
1599 | mpi_request.Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL; | |
1600 | mpi_request.Operation = hard_reset ? | |
1601 | MPI2_SAS_OP_PHY_HARD_RESET : MPI2_SAS_OP_PHY_LINK_RESET; | |
b8d7d7bb | 1602 | mpi_request.PhyNum = phy->number; |
635374e7 EM |
1603 | |
1604 | if ((mpt2sas_base_sas_iounit_control(ioc, &mpi_reply, &mpi_request))) { | |
1605 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1606 | ioc->name, __FILE__, __LINE__, __func__); | |
1607 | return -ENXIO; | |
1608 | } | |
1609 | ||
1610 | if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) | |
1611 | printk(MPT2SAS_INFO_FMT "phy(%d), ioc_status" | |
1612 | "(0x%04x), loginfo(0x%08x)\n", ioc->name, | |
b8d7d7bb | 1613 | phy->number, le16_to_cpu(mpi_reply.IOCStatus), |
635374e7 EM |
1614 | le32_to_cpu(mpi_reply.IOCLogInfo)); |
1615 | ||
1616 | return 0; | |
1617 | } | |
1618 | ||
50d5c606 KD |
1619 | /** |
1620 | * _transport_phy_enable - enable/disable phys | |
1621 | * @phy: The sas phy object | |
1622 | * @enable: enable phy when true | |
1623 | * | |
1624 | * Only support sas_host direct attached phys. | |
1625 | * Returns 0 for success, non-zero for failure. | |
1626 | */ | |
1627 | static int | |
1628 | _transport_phy_enable(struct sas_phy *phy, int enable) | |
1629 | { | |
1630 | struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy); | |
50d5c606 KD |
1631 | Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; |
1632 | Mpi2ConfigReply_t mpi_reply; | |
1633 | u16 ioc_status; | |
1634 | u16 sz; | |
1635 | int rc = 0; | |
b8d7d7bb | 1636 | unsigned long flags; |
50d5c606 | 1637 | |
b8d7d7bb KD |
1638 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
1639 | if (_transport_sas_node_find_by_sas_address(ioc, | |
1640 | phy->identify.sas_address) == NULL) { | |
1641 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
50d5c606 | 1642 | return -EINVAL; |
b8d7d7bb KD |
1643 | } |
1644 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
1645 | ||
1646 | /* handle expander phys */ | |
1647 | if (phy->identify.sas_address != ioc->sas_hba.sas_address) | |
1648 | return _transport_expander_phy_control(ioc, phy, | |
1649 | (enable == 1) ? SMP_PHY_CONTROL_LINK_RESET : | |
1650 | SMP_PHY_CONTROL_DISABLE); | |
1651 | ||
1652 | /* handle hba phys */ | |
50d5c606 KD |
1653 | |
1654 | /* sas_iounit page 1 */ | |
1655 | sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys * | |
1656 | sizeof(Mpi2SasIOUnit1PhyData_t)); | |
1657 | sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL); | |
1658 | if (!sas_iounit_pg1) { | |
1659 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1660 | ioc->name, __FILE__, __LINE__, __func__); | |
1661 | rc = -ENOMEM; | |
1662 | goto out; | |
1663 | } | |
1664 | if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply, | |
1665 | sas_iounit_pg1, sz))) { | |
1666 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1667 | ioc->name, __FILE__, __LINE__, __func__); | |
1668 | rc = -ENXIO; | |
1669 | goto out; | |
1670 | } | |
1671 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
1672 | MPI2_IOCSTATUS_MASK; | |
1673 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
1674 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1675 | ioc->name, __FILE__, __LINE__, __func__); | |
1676 | rc = -EIO; | |
1677 | goto out; | |
1678 | } | |
1679 | ||
1680 | if (enable) | |
b8d7d7bb | 1681 | sas_iounit_pg1->PhyData[phy->number].PhyFlags |
50d5c606 KD |
1682 | &= ~MPI2_SASIOUNIT1_PHYFLAGS_PHY_DISABLE; |
1683 | else | |
b8d7d7bb | 1684 | sas_iounit_pg1->PhyData[phy->number].PhyFlags |
50d5c606 KD |
1685 | |= MPI2_SASIOUNIT1_PHYFLAGS_PHY_DISABLE; |
1686 | ||
1687 | mpt2sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1, sz); | |
1688 | ||
b8d7d7bb KD |
1689 | /* link reset */ |
1690 | if (enable) | |
1691 | _transport_phy_reset(phy, 0); | |
1692 | ||
50d5c606 KD |
1693 | out: |
1694 | kfree(sas_iounit_pg1); | |
1695 | return rc; | |
1696 | } | |
1697 | ||
1698 | /** | |
1699 | * _transport_phy_speed - set phy min/max link rates | |
1700 | * @phy: The sas phy object | |
1701 | * @rates: rates defined in sas_phy_linkrates | |
1702 | * | |
1703 | * Only support sas_host direct attached phys. | |
1704 | * Returns 0 for success, non-zero for failure. | |
1705 | */ | |
1706 | static int | |
1707 | _transport_phy_speed(struct sas_phy *phy, struct sas_phy_linkrates *rates) | |
1708 | { | |
1709 | struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy); | |
50d5c606 KD |
1710 | Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; |
1711 | Mpi2SasPhyPage0_t phy_pg0; | |
1712 | Mpi2ConfigReply_t mpi_reply; | |
1713 | u16 ioc_status; | |
1714 | u16 sz; | |
1715 | int i; | |
1716 | int rc = 0; | |
b8d7d7bb | 1717 | unsigned long flags; |
50d5c606 | 1718 | |
b8d7d7bb KD |
1719 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
1720 | if (_transport_sas_node_find_by_sas_address(ioc, | |
1721 | phy->identify.sas_address) == NULL) { | |
1722 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
50d5c606 | 1723 | return -EINVAL; |
b8d7d7bb KD |
1724 | } |
1725 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
50d5c606 KD |
1726 | |
1727 | if (!rates->minimum_linkrate) | |
1728 | rates->minimum_linkrate = phy->minimum_linkrate; | |
1729 | else if (rates->minimum_linkrate < phy->minimum_linkrate_hw) | |
1730 | rates->minimum_linkrate = phy->minimum_linkrate_hw; | |
1731 | ||
1732 | if (!rates->maximum_linkrate) | |
1733 | rates->maximum_linkrate = phy->maximum_linkrate; | |
1734 | else if (rates->maximum_linkrate > phy->maximum_linkrate_hw) | |
1735 | rates->maximum_linkrate = phy->maximum_linkrate_hw; | |
1736 | ||
b8d7d7bb KD |
1737 | /* handle expander phys */ |
1738 | if (phy->identify.sas_address != ioc->sas_hba.sas_address) { | |
1739 | phy->minimum_linkrate = rates->minimum_linkrate; | |
1740 | phy->maximum_linkrate = rates->maximum_linkrate; | |
1741 | return _transport_expander_phy_control(ioc, phy, | |
1742 | SMP_PHY_CONTROL_LINK_RESET); | |
1743 | } | |
1744 | ||
1745 | /* handle hba phys */ | |
1746 | ||
50d5c606 KD |
1747 | /* sas_iounit page 1 */ |
1748 | sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys * | |
1749 | sizeof(Mpi2SasIOUnit1PhyData_t)); | |
1750 | sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL); | |
1751 | if (!sas_iounit_pg1) { | |
1752 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1753 | ioc->name, __FILE__, __LINE__, __func__); | |
1754 | rc = -ENOMEM; | |
1755 | goto out; | |
1756 | } | |
1757 | if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply, | |
1758 | sas_iounit_pg1, sz))) { | |
1759 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1760 | ioc->name, __FILE__, __LINE__, __func__); | |
1761 | rc = -ENXIO; | |
1762 | goto out; | |
1763 | } | |
1764 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
1765 | MPI2_IOCSTATUS_MASK; | |
1766 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
1767 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1768 | ioc->name, __FILE__, __LINE__, __func__); | |
1769 | rc = -EIO; | |
1770 | goto out; | |
1771 | } | |
1772 | ||
1773 | for (i = 0; i < ioc->sas_hba.num_phys; i++) { | |
b8d7d7bb | 1774 | if (phy->number != i) { |
50d5c606 KD |
1775 | sas_iounit_pg1->PhyData[i].MaxMinLinkRate = |
1776 | (ioc->sas_hba.phy[i].phy->minimum_linkrate + | |
1777 | (ioc->sas_hba.phy[i].phy->maximum_linkrate << 4)); | |
1778 | } else { | |
1779 | sas_iounit_pg1->PhyData[i].MaxMinLinkRate = | |
1780 | (rates->minimum_linkrate + | |
1781 | (rates->maximum_linkrate << 4)); | |
1782 | } | |
1783 | } | |
1784 | ||
1785 | if (mpt2sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1, | |
1786 | sz)) { | |
1787 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1788 | ioc->name, __FILE__, __LINE__, __func__); | |
1789 | rc = -ENXIO; | |
1790 | goto out; | |
1791 | } | |
1792 | ||
1793 | /* link reset */ | |
1794 | _transport_phy_reset(phy, 0); | |
1795 | ||
1796 | /* read phy page 0, then update the rates in the sas transport phy */ | |
1797 | if (!mpt2sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0, | |
b8d7d7bb | 1798 | phy->number)) { |
50d5c606 KD |
1799 | phy->minimum_linkrate = _transport_convert_phy_link_rate( |
1800 | phy_pg0.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK); | |
1801 | phy->maximum_linkrate = _transport_convert_phy_link_rate( | |
1802 | phy_pg0.ProgrammedLinkRate >> 4); | |
1803 | phy->negotiated_linkrate = _transport_convert_phy_link_rate( | |
1804 | phy_pg0.NegotiatedLinkRate & | |
1805 | MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL); | |
1806 | } | |
1807 | ||
1808 | out: | |
1809 | kfree(sas_iounit_pg1); | |
1810 | return rc; | |
1811 | } | |
1812 | ||
1813 | ||
635374e7 | 1814 | /** |
d5d135b3 | 1815 | * _transport_smp_handler - transport portal for smp passthru |
635374e7 EM |
1816 | * @shost: shost object |
1817 | * @rphy: sas transport rphy object | |
1818 | * @req: | |
1819 | * | |
1820 | * This used primarily for smp_utils. | |
1821 | * Example: | |
1822 | * smp_rep_general /sys/class/bsg/expander-5:0 | |
1823 | */ | |
1824 | static int | |
d5d135b3 | 1825 | _transport_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy, |
635374e7 EM |
1826 | struct request *req) |
1827 | { | |
1828 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
1829 | Mpi2SmpPassthroughRequest_t *mpi_request; | |
1830 | Mpi2SmpPassthroughReply_t *mpi_reply; | |
1831 | int rc; | |
1832 | u16 smid; | |
1833 | u32 ioc_state; | |
1834 | unsigned long timeleft; | |
1835 | void *psge; | |
1836 | u32 sgl_flags; | |
1837 | u8 issue_reset = 0; | |
635374e7 EM |
1838 | dma_addr_t dma_addr_in = 0; |
1839 | dma_addr_t dma_addr_out = 0; | |
1840 | u16 wait_state_count; | |
1841 | struct request *rsp = req->next_rq; | |
1842 | ||
1843 | if (!rsp) { | |
1844 | printk(MPT2SAS_ERR_FMT "%s: the smp response space is " | |
1845 | "missing\n", ioc->name, __func__); | |
1846 | return -EINVAL; | |
1847 | } | |
1848 | ||
1849 | /* do we need to support multiple segments? */ | |
1850 | if (req->bio->bi_vcnt > 1 || rsp->bio->bi_vcnt > 1) { | |
1851 | printk(MPT2SAS_ERR_FMT "%s: multiple segments req %u %u, " | |
1852 | "rsp %u %u\n", ioc->name, __func__, req->bio->bi_vcnt, | |
b0790410 | 1853 | blk_rq_bytes(req), rsp->bio->bi_vcnt, blk_rq_bytes(rsp)); |
635374e7 EM |
1854 | return -EINVAL; |
1855 | } | |
1856 | ||
155dd4c7 | 1857 | if (ioc->shost_recovery) { |
635374e7 EM |
1858 | printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", |
1859 | __func__, ioc->name); | |
1860 | return -EFAULT; | |
1861 | } | |
635374e7 EM |
1862 | |
1863 | rc = mutex_lock_interruptible(&ioc->transport_cmds.mutex); | |
1864 | if (rc) | |
1865 | return rc; | |
1866 | ||
1867 | if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) { | |
1868 | printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n", ioc->name, | |
1869 | __func__); | |
1870 | rc = -EAGAIN; | |
1871 | goto out; | |
1872 | } | |
1873 | ioc->transport_cmds.status = MPT2_CMD_PENDING; | |
1874 | ||
1875 | wait_state_count = 0; | |
1876 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
1877 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
1878 | if (wait_state_count++ == 10) { | |
1879 | printk(MPT2SAS_ERR_FMT | |
1880 | "%s: failed due to ioc not operational\n", | |
1881 | ioc->name, __func__); | |
1882 | rc = -EFAULT; | |
1883 | goto out; | |
1884 | } | |
1885 | ssleep(1); | |
1886 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
1887 | printk(MPT2SAS_INFO_FMT "%s: waiting for " | |
1888 | "operational state(count=%d)\n", ioc->name, | |
1889 | __func__, wait_state_count); | |
1890 | } | |
1891 | if (wait_state_count) | |
1892 | printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n", | |
1893 | ioc->name, __func__); | |
1894 | ||
1895 | smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx); | |
1896 | if (!smid) { | |
1897 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
1898 | ioc->name, __func__); | |
1899 | rc = -EAGAIN; | |
1900 | goto out; | |
1901 | } | |
1902 | ||
1903 | rc = 0; | |
1904 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
1905 | ioc->transport_cmds.smid = smid; | |
1906 | ||
1907 | memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t)); | |
1908 | mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; | |
1909 | mpi_request->PhysicalPort = 0xFF; | |
7b936b02 KD |
1910 | mpi_request->VF_ID = 0; /* TODO */ |
1911 | mpi_request->VP_ID = 0; | |
c97951ec | 1912 | mpi_request->SASAddress = (rphy) ? |
635374e7 EM |
1913 | cpu_to_le64(rphy->identify.sas_address) : |
1914 | cpu_to_le64(ioc->sas_hba.sas_address); | |
b0790410 | 1915 | mpi_request->RequestDataLength = cpu_to_le16(blk_rq_bytes(req) - 4); |
635374e7 EM |
1916 | psge = &mpi_request->SGL; |
1917 | ||
1918 | /* WRITE sgel first */ | |
1919 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
1920 | MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC); | |
1921 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
1922 | dma_addr_out = pci_map_single(ioc->pdev, bio_data(req->bio), | |
b0790410 | 1923 | blk_rq_bytes(req), PCI_DMA_BIDIRECTIONAL); |
635374e7 | 1924 | if (!dma_addr_out) { |
463217bf | 1925 | mpt2sas_base_free_smid(ioc, smid); |
635374e7 EM |
1926 | goto unmap; |
1927 | } | |
1928 | ||
b0790410 | 1929 | ioc->base_add_sg_single(psge, sgl_flags | (blk_rq_bytes(req) - 4), |
635374e7 EM |
1930 | dma_addr_out); |
1931 | ||
1932 | /* incr sgel */ | |
1933 | psge += ioc->sge_size; | |
1934 | ||
1935 | /* READ sgel last */ | |
1936 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
1937 | MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | | |
1938 | MPI2_SGE_FLAGS_END_OF_LIST); | |
1939 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
b0790410 TH |
1940 | dma_addr_in = pci_map_single(ioc->pdev, bio_data(rsp->bio), |
1941 | blk_rq_bytes(rsp), PCI_DMA_BIDIRECTIONAL); | |
635374e7 | 1942 | if (!dma_addr_in) { |
463217bf | 1943 | mpt2sas_base_free_smid(ioc, smid); |
635374e7 EM |
1944 | goto unmap; |
1945 | } | |
1946 | ||
b0790410 | 1947 | ioc->base_add_sg_single(psge, sgl_flags | (blk_rq_bytes(rsp) + 4), |
635374e7 EM |
1948 | dma_addr_in); |
1949 | ||
eabb08ad | 1950 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "%s - " |
635374e7 EM |
1951 | "sending smp request\n", ioc->name, __func__)); |
1952 | ||
bcfb6e6e | 1953 | init_completion(&ioc->transport_cmds.done); |
f01690d3 | 1954 | mpt2sas_base_put_smid_default(ioc, smid); |
635374e7 EM |
1955 | timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done, |
1956 | 10*HZ); | |
1957 | ||
1958 | if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) { | |
1959 | printk(MPT2SAS_ERR_FMT "%s : timeout\n", | |
1960 | __func__, ioc->name); | |
1961 | _debug_dump_mf(mpi_request, | |
1962 | sizeof(Mpi2SmpPassthroughRequest_t)/4); | |
1963 | if (!(ioc->transport_cmds.status & MPT2_CMD_RESET)) | |
1964 | issue_reset = 1; | |
1965 | goto issue_host_reset; | |
1966 | } | |
1967 | ||
eabb08ad | 1968 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "%s - " |
635374e7 EM |
1969 | "complete\n", ioc->name, __func__)); |
1970 | ||
1971 | if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) { | |
1972 | ||
1973 | mpi_reply = ioc->transport_cmds.reply; | |
1974 | ||
eabb08ad | 1975 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT |
635374e7 EM |
1976 | "%s - reply data transfer size(%d)\n", |
1977 | ioc->name, __func__, | |
1978 | le16_to_cpu(mpi_reply->ResponseDataLength))); | |
1979 | ||
1980 | memcpy(req->sense, mpi_reply, sizeof(*mpi_reply)); | |
1981 | req->sense_len = sizeof(*mpi_reply); | |
5f49f631 | 1982 | req->resid_len = 0; |
e94f6747 KD |
1983 | rsp->resid_len -= |
1984 | le16_to_cpu(mpi_reply->ResponseDataLength); | |
635374e7 | 1985 | } else { |
eabb08ad | 1986 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT |
635374e7 EM |
1987 | "%s - no reply\n", ioc->name, __func__)); |
1988 | rc = -ENXIO; | |
1989 | } | |
1990 | ||
1991 | issue_host_reset: | |
1992 | if (issue_reset) { | |
1993 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
1994 | FORCE_BIG_HAMMER); | |
1995 | rc = -ETIMEDOUT; | |
1996 | } | |
1997 | ||
1998 | unmap: | |
1999 | if (dma_addr_out) | |
b0790410 | 2000 | pci_unmap_single(ioc->pdev, dma_addr_out, blk_rq_bytes(req), |
635374e7 EM |
2001 | PCI_DMA_BIDIRECTIONAL); |
2002 | if (dma_addr_in) | |
b0790410 | 2003 | pci_unmap_single(ioc->pdev, dma_addr_in, blk_rq_bytes(rsp), |
635374e7 EM |
2004 | PCI_DMA_BIDIRECTIONAL); |
2005 | ||
2006 | out: | |
2007 | ioc->transport_cmds.status = MPT2_CMD_NOT_USED; | |
2008 | mutex_unlock(&ioc->transport_cmds.mutex); | |
2009 | return rc; | |
2010 | } | |
2011 | ||
2012 | struct sas_function_template mpt2sas_transport_functions = { | |
d5d135b3 EM |
2013 | .get_linkerrors = _transport_get_linkerrors, |
2014 | .get_enclosure_identifier = _transport_get_enclosure_identifier, | |
2015 | .get_bay_identifier = _transport_get_bay_identifier, | |
2016 | .phy_reset = _transport_phy_reset, | |
50d5c606 KD |
2017 | .phy_enable = _transport_phy_enable, |
2018 | .set_phy_speed = _transport_phy_speed, | |
d5d135b3 | 2019 | .smp_handler = _transport_smp_handler, |
635374e7 EM |
2020 | }; |
2021 | ||
2022 | struct scsi_transport_template *mpt2sas_transport_template; |