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 | ||
09da0b32 | 166 | memset(identify, 0, sizeof(struct sas_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 | ||
64bb8138 | 172 | /* phy number of the parent device this device is linked to */ |
173 | identify->phy_identifier = sas_device_pg0.PhyNum; | |
174 | ||
635374e7 EM |
175 | /* device_type */ |
176 | switch (device_info & MPI2_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) { | |
177 | case MPI2_SAS_DEVICE_INFO_NO_DEVICE: | |
178 | identify->device_type = SAS_PHY_UNUSED; | |
179 | break; | |
180 | case MPI2_SAS_DEVICE_INFO_END_DEVICE: | |
181 | identify->device_type = SAS_END_DEVICE; | |
182 | break; | |
183 | case MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER: | |
184 | identify->device_type = SAS_EDGE_EXPANDER_DEVICE; | |
185 | break; | |
186 | case MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER: | |
187 | identify->device_type = SAS_FANOUT_EXPANDER_DEVICE; | |
188 | break; | |
189 | } | |
190 | ||
191 | /* initiator_port_protocols */ | |
192 | if (device_info & MPI2_SAS_DEVICE_INFO_SSP_INITIATOR) | |
193 | identify->initiator_port_protocols |= SAS_PROTOCOL_SSP; | |
194 | if (device_info & MPI2_SAS_DEVICE_INFO_STP_INITIATOR) | |
195 | identify->initiator_port_protocols |= SAS_PROTOCOL_STP; | |
196 | if (device_info & MPI2_SAS_DEVICE_INFO_SMP_INITIATOR) | |
197 | identify->initiator_port_protocols |= SAS_PROTOCOL_SMP; | |
198 | if (device_info & MPI2_SAS_DEVICE_INFO_SATA_HOST) | |
199 | identify->initiator_port_protocols |= SAS_PROTOCOL_SATA; | |
200 | ||
201 | /* target_port_protocols */ | |
202 | if (device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) | |
203 | identify->target_port_protocols |= SAS_PROTOCOL_SSP; | |
204 | if (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) | |
205 | identify->target_port_protocols |= SAS_PROTOCOL_STP; | |
206 | if (device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET) | |
207 | identify->target_port_protocols |= SAS_PROTOCOL_SMP; | |
208 | if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) | |
209 | identify->target_port_protocols |= SAS_PROTOCOL_SATA; | |
210 | ||
211 | return 0; | |
212 | } | |
213 | ||
214 | /** | |
215 | * mpt2sas_transport_done - internal transport layer callback handler. | |
216 | * @ioc: per adapter object | |
217 | * @smid: system request message index | |
7b936b02 | 218 | * @msix_index: MSIX table index supplied by the OS |
635374e7 EM |
219 | * @reply: reply message frame(lower 32bit addr) |
220 | * | |
221 | * Callback handler when sending internal generated transport cmds. | |
222 | * The callback index passed is `ioc->transport_cb_idx` | |
223 | * | |
77e63ed4 KD |
224 | * Return 1 meaning mf should be freed from _base_interrupt |
225 | * 0 means the mf is freed from this function. | |
635374e7 | 226 | */ |
77e63ed4 | 227 | u8 |
7b936b02 | 228 | mpt2sas_transport_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, |
635374e7 EM |
229 | u32 reply) |
230 | { | |
231 | MPI2DefaultReply_t *mpi_reply; | |
232 | ||
233 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
234 | if (ioc->transport_cmds.status == MPT2_CMD_NOT_USED) | |
77e63ed4 | 235 | return 1; |
635374e7 | 236 | if (ioc->transport_cmds.smid != smid) |
77e63ed4 | 237 | return 1; |
635374e7 EM |
238 | ioc->transport_cmds.status |= MPT2_CMD_COMPLETE; |
239 | if (mpi_reply) { | |
240 | memcpy(ioc->transport_cmds.reply, mpi_reply, | |
241 | mpi_reply->MsgLength*4); | |
242 | ioc->transport_cmds.status |= MPT2_CMD_REPLY_VALID; | |
243 | } | |
244 | ioc->transport_cmds.status &= ~MPT2_CMD_PENDING; | |
245 | complete(&ioc->transport_cmds.done); | |
77e63ed4 | 246 | return 1; |
635374e7 EM |
247 | } |
248 | ||
249 | /* report manufacture request structure */ | |
250 | struct rep_manu_request{ | |
251 | u8 smp_frame_type; | |
252 | u8 function; | |
253 | u8 reserved; | |
254 | u8 request_length; | |
255 | }; | |
256 | ||
257 | /* report manufacture reply structure */ | |
258 | struct rep_manu_reply{ | |
259 | u8 smp_frame_type; /* 0x41 */ | |
260 | u8 function; /* 0x01 */ | |
261 | u8 function_result; | |
262 | u8 response_length; | |
263 | u16 expander_change_count; | |
264 | u8 reserved0[2]; | |
463217bf | 265 | u8 sas_format; |
635374e7 EM |
266 | u8 reserved2[3]; |
267 | u8 vendor_id[SAS_EXPANDER_VENDOR_ID_LEN]; | |
268 | u8 product_id[SAS_EXPANDER_PRODUCT_ID_LEN]; | |
269 | u8 product_rev[SAS_EXPANDER_PRODUCT_REV_LEN]; | |
270 | u8 component_vendor_id[SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN]; | |
271 | u16 component_id; | |
272 | u8 component_revision_id; | |
273 | u8 reserved3; | |
274 | u8 vendor_specific[8]; | |
275 | }; | |
276 | ||
277 | /** | |
d5d135b3 | 278 | * _transport_expander_report_manufacture - obtain SMP report_manufacture |
635374e7 EM |
279 | * @ioc: per adapter object |
280 | * @sas_address: expander sas address | |
281 | * @edev: the sas_expander_device object | |
282 | * | |
283 | * Fills in the sas_expander_device object when SMP port is created. | |
284 | * | |
285 | * Returns 0 for success, non-zero for failure. | |
286 | */ | |
287 | static int | |
d5d135b3 | 288 | _transport_expander_report_manufacture(struct MPT2SAS_ADAPTER *ioc, |
635374e7 EM |
289 | u64 sas_address, struct sas_expander_device *edev) |
290 | { | |
291 | Mpi2SmpPassthroughRequest_t *mpi_request; | |
292 | Mpi2SmpPassthroughReply_t *mpi_reply; | |
293 | struct rep_manu_reply *manufacture_reply; | |
294 | struct rep_manu_request *manufacture_request; | |
295 | int rc; | |
296 | u16 smid; | |
297 | u32 ioc_state; | |
298 | unsigned long timeleft; | |
299 | void *psge; | |
300 | u32 sgl_flags; | |
301 | u8 issue_reset = 0; | |
635374e7 EM |
302 | void *data_out = NULL; |
303 | dma_addr_t data_out_dma; | |
304 | u32 sz; | |
635374e7 EM |
305 | u16 wait_state_count; |
306 | ||
3cb5469a | 307 | if (ioc->shost_recovery || ioc->pci_error_recovery) { |
635374e7 EM |
308 | printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", |
309 | __func__, ioc->name); | |
310 | return -EFAULT; | |
311 | } | |
635374e7 EM |
312 | |
313 | mutex_lock(&ioc->transport_cmds.mutex); | |
314 | ||
315 | if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) { | |
316 | printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n", | |
317 | ioc->name, __func__); | |
318 | rc = -EAGAIN; | |
319 | goto out; | |
320 | } | |
321 | ioc->transport_cmds.status = MPT2_CMD_PENDING; | |
322 | ||
323 | wait_state_count = 0; | |
324 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
325 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
326 | if (wait_state_count++ == 10) { | |
327 | printk(MPT2SAS_ERR_FMT | |
328 | "%s: failed due to ioc not operational\n", | |
329 | ioc->name, __func__); | |
330 | rc = -EFAULT; | |
331 | goto out; | |
332 | } | |
333 | ssleep(1); | |
334 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
335 | printk(MPT2SAS_INFO_FMT "%s: waiting for " | |
336 | "operational state(count=%d)\n", ioc->name, | |
337 | __func__, wait_state_count); | |
338 | } | |
339 | if (wait_state_count) | |
340 | printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n", | |
341 | ioc->name, __func__); | |
342 | ||
343 | smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx); | |
344 | if (!smid) { | |
345 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
346 | ioc->name, __func__); | |
347 | rc = -EAGAIN; | |
348 | goto out; | |
349 | } | |
350 | ||
351 | rc = 0; | |
352 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
353 | ioc->transport_cmds.smid = smid; | |
354 | ||
355 | sz = sizeof(struct rep_manu_request) + sizeof(struct rep_manu_reply); | |
356 | data_out = pci_alloc_consistent(ioc->pdev, sz, &data_out_dma); | |
357 | ||
358 | if (!data_out) { | |
359 | printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, | |
360 | __LINE__, __func__); | |
361 | rc = -ENOMEM; | |
362 | mpt2sas_base_free_smid(ioc, smid); | |
363 | goto out; | |
364 | } | |
365 | ||
366 | manufacture_request = data_out; | |
367 | manufacture_request->smp_frame_type = 0x40; | |
368 | manufacture_request->function = 1; | |
369 | manufacture_request->reserved = 0; | |
370 | manufacture_request->request_length = 0; | |
371 | ||
372 | memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t)); | |
373 | mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; | |
374 | mpi_request->PhysicalPort = 0xFF; | |
7b936b02 KD |
375 | mpi_request->VF_ID = 0; /* TODO */ |
376 | mpi_request->VP_ID = 0; | |
c97951ec | 377 | mpi_request->SASAddress = cpu_to_le64(sas_address); |
463217bf KD |
378 | mpi_request->RequestDataLength = |
379 | cpu_to_le16(sizeof(struct rep_manu_request)); | |
635374e7 EM |
380 | psge = &mpi_request->SGL; |
381 | ||
382 | /* WRITE sgel first */ | |
383 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
384 | MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC); | |
385 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
386 | ioc->base_add_sg_single(psge, sgl_flags | | |
387 | sizeof(struct rep_manu_request), data_out_dma); | |
388 | ||
389 | /* incr sgel */ | |
390 | psge += ioc->sge_size; | |
391 | ||
392 | /* READ sgel last */ | |
393 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
394 | MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | | |
395 | MPI2_SGE_FLAGS_END_OF_LIST); | |
396 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
397 | ioc->base_add_sg_single(psge, sgl_flags | | |
398 | sizeof(struct rep_manu_reply), data_out_dma + | |
399 | sizeof(struct rep_manu_request)); | |
400 | ||
eabb08ad | 401 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "report_manufacture - " |
635374e7 EM |
402 | "send to sas_addr(0x%016llx)\n", ioc->name, |
403 | (unsigned long long)sas_address)); | |
bcfb6e6e | 404 | init_completion(&ioc->transport_cmds.done); |
f01690d3 | 405 | mpt2sas_base_put_smid_default(ioc, smid); |
635374e7 EM |
406 | timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done, |
407 | 10*HZ); | |
408 | ||
409 | if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) { | |
410 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
411 | ioc->name, __func__); | |
412 | _debug_dump_mf(mpi_request, | |
413 | sizeof(Mpi2SmpPassthroughRequest_t)/4); | |
414 | if (!(ioc->transport_cmds.status & MPT2_CMD_RESET)) | |
415 | issue_reset = 1; | |
416 | goto issue_host_reset; | |
417 | } | |
418 | ||
eabb08ad | 419 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "report_manufacture - " |
635374e7 EM |
420 | "complete\n", ioc->name)); |
421 | ||
422 | if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) { | |
423 | u8 *tmp; | |
424 | ||
425 | mpi_reply = ioc->transport_cmds.reply; | |
426 | ||
eabb08ad | 427 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT |
635374e7 EM |
428 | "report_manufacture - reply data transfer size(%d)\n", |
429 | ioc->name, le16_to_cpu(mpi_reply->ResponseDataLength))); | |
430 | ||
431 | if (le16_to_cpu(mpi_reply->ResponseDataLength) != | |
432 | sizeof(struct rep_manu_reply)) | |
433 | goto out; | |
434 | ||
435 | manufacture_reply = data_out + sizeof(struct rep_manu_request); | |
436 | strncpy(edev->vendor_id, manufacture_reply->vendor_id, | |
437 | SAS_EXPANDER_VENDOR_ID_LEN); | |
438 | strncpy(edev->product_id, manufacture_reply->product_id, | |
439 | SAS_EXPANDER_PRODUCT_ID_LEN); | |
440 | strncpy(edev->product_rev, manufacture_reply->product_rev, | |
441 | SAS_EXPANDER_PRODUCT_REV_LEN); | |
463217bf KD |
442 | edev->level = manufacture_reply->sas_format & 1; |
443 | if (edev->level) { | |
635374e7 EM |
444 | strncpy(edev->component_vendor_id, |
445 | manufacture_reply->component_vendor_id, | |
446 | SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN); | |
447 | tmp = (u8 *)&manufacture_reply->component_id; | |
448 | edev->component_id = tmp[0] << 8 | tmp[1]; | |
449 | edev->component_revision_id = | |
450 | manufacture_reply->component_revision_id; | |
451 | } | |
452 | } else | |
eabb08ad | 453 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT |
635374e7 EM |
454 | "report_manufacture - no reply\n", ioc->name)); |
455 | ||
456 | issue_host_reset: | |
457 | if (issue_reset) | |
458 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
459 | FORCE_BIG_HAMMER); | |
460 | out: | |
461 | ioc->transport_cmds.status = MPT2_CMD_NOT_USED; | |
462 | if (data_out) | |
463 | pci_free_consistent(ioc->pdev, sz, data_out, data_out_dma); | |
464 | ||
465 | mutex_unlock(&ioc->transport_cmds.mutex); | |
466 | return rc; | |
467 | } | |
468 | ||
7f6f794d KD |
469 | /** |
470 | * _transport_delete_port - helper function to removing a port | |
471 | * @ioc: per adapter object | |
472 | * @mpt2sas_port: mpt2sas per port object | |
473 | * | |
474 | * Returns nothing. | |
475 | */ | |
476 | static void | |
477 | _transport_delete_port(struct MPT2SAS_ADAPTER *ioc, | |
478 | struct _sas_port *mpt2sas_port) | |
479 | { | |
480 | u64 sas_address = mpt2sas_port->remote_identify.sas_address; | |
481 | enum sas_device_type device_type = | |
482 | mpt2sas_port->remote_identify.device_type; | |
483 | ||
484 | dev_printk(KERN_INFO, &mpt2sas_port->port->dev, | |
485 | "remove: sas_addr(0x%016llx)\n", | |
486 | (unsigned long long) sas_address); | |
487 | ||
488 | ioc->logging_level |= MPT_DEBUG_TRANSPORT; | |
489 | if (device_type == SAS_END_DEVICE) | |
09da0b32 | 490 | mpt2sas_device_remove_by_sas_address(ioc, sas_address); |
7f6f794d KD |
491 | else if (device_type == SAS_EDGE_EXPANDER_DEVICE || |
492 | device_type == SAS_FANOUT_EXPANDER_DEVICE) | |
493 | mpt2sas_expander_remove(ioc, sas_address); | |
494 | ioc->logging_level &= ~MPT_DEBUG_TRANSPORT; | |
495 | } | |
38c29114 KD |
496 | |
497 | /** | |
7f6f794d | 498 | * _transport_delete_phy - helper function to removing single phy from port |
38c29114 | 499 | * @ioc: per adapter object |
7f6f794d KD |
500 | * @mpt2sas_port: mpt2sas per port object |
501 | * @mpt2sas_phy: mpt2sas per phy object | |
38c29114 | 502 | * |
7f6f794d KD |
503 | * Returns nothing. |
504 | */ | |
505 | static void | |
506 | _transport_delete_phy(struct MPT2SAS_ADAPTER *ioc, | |
507 | struct _sas_port *mpt2sas_port, struct _sas_phy *mpt2sas_phy) | |
508 | { | |
509 | u64 sas_address = mpt2sas_port->remote_identify.sas_address; | |
510 | ||
511 | dev_printk(KERN_INFO, &mpt2sas_phy->phy->dev, | |
512 | "remove: sas_addr(0x%016llx), phy(%d)\n", | |
513 | (unsigned long long) sas_address, mpt2sas_phy->phy_id); | |
514 | ||
515 | list_del(&mpt2sas_phy->port_siblings); | |
516 | mpt2sas_port->num_phys--; | |
517 | sas_port_delete_phy(mpt2sas_port->port, mpt2sas_phy->phy); | |
518 | mpt2sas_phy->phy_belongs_to_port = 0; | |
519 | } | |
520 | ||
521 | /** | |
522 | * _transport_add_phy - helper function to adding single phy to port | |
523 | * @ioc: per adapter object | |
524 | * @mpt2sas_port: mpt2sas per port object | |
525 | * @mpt2sas_phy: mpt2sas per phy object | |
38c29114 | 526 | * |
7f6f794d | 527 | * Returns nothing. |
38c29114 KD |
528 | */ |
529 | static void | |
7f6f794d KD |
530 | _transport_add_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_port *mpt2sas_port, |
531 | struct _sas_phy *mpt2sas_phy) | |
38c29114 | 532 | { |
7f6f794d | 533 | u64 sas_address = mpt2sas_port->remote_identify.sas_address; |
38c29114 | 534 | |
7f6f794d KD |
535 | dev_printk(KERN_INFO, &mpt2sas_phy->phy->dev, |
536 | "add: sas_addr(0x%016llx), phy(%d)\n", (unsigned long long) | |
537 | sas_address, mpt2sas_phy->phy_id); | |
38c29114 | 538 | |
7f6f794d KD |
539 | list_add_tail(&mpt2sas_phy->port_siblings, &mpt2sas_port->phy_list); |
540 | mpt2sas_port->num_phys++; | |
541 | sas_port_add_phy(mpt2sas_port->port, mpt2sas_phy->phy); | |
542 | mpt2sas_phy->phy_belongs_to_port = 1; | |
543 | } | |
544 | ||
545 | /** | |
546 | * _transport_add_phy_to_an_existing_port - adding new phy to existing port | |
547 | * @ioc: per adapter object | |
548 | * @sas_node: sas node object (either expander or sas host) | |
549 | * @mpt2sas_phy: mpt2sas per phy object | |
550 | * @sas_address: sas address of device/expander were phy needs to be added to | |
551 | * | |
552 | * Returns nothing. | |
553 | */ | |
554 | static void | |
555 | _transport_add_phy_to_an_existing_port(struct MPT2SAS_ADAPTER *ioc, | |
556 | struct _sas_node *sas_node, struct _sas_phy *mpt2sas_phy, u64 sas_address) | |
557 | { | |
558 | struct _sas_port *mpt2sas_port; | |
559 | struct _sas_phy *phy_srch; | |
560 | ||
561 | if (mpt2sas_phy->phy_belongs_to_port == 1) | |
562 | return; | |
563 | ||
564 | list_for_each_entry(mpt2sas_port, &sas_node->sas_port_list, | |
565 | port_list) { | |
566 | if (mpt2sas_port->remote_identify.sas_address != | |
567 | sas_address) | |
568 | continue; | |
569 | list_for_each_entry(phy_srch, &mpt2sas_port->phy_list, | |
38c29114 | 570 | port_siblings) { |
7f6f794d KD |
571 | if (phy_srch == mpt2sas_phy) |
572 | return; | |
38c29114 | 573 | } |
7f6f794d KD |
574 | _transport_add_phy(ioc, mpt2sas_port, mpt2sas_phy); |
575 | return; | |
38c29114 KD |
576 | } |
577 | ||
7f6f794d KD |
578 | } |
579 | ||
580 | /** | |
581 | * _transport_del_phy_from_an_existing_port - delete phy from existing port | |
582 | * @ioc: per adapter object | |
583 | * @sas_node: sas node object (either expander or sas host) | |
584 | * @mpt2sas_phy: mpt2sas per phy object | |
585 | * | |
586 | * Returns nothing. | |
587 | */ | |
588 | static void | |
589 | _transport_del_phy_from_an_existing_port(struct MPT2SAS_ADAPTER *ioc, | |
590 | struct _sas_node *sas_node, struct _sas_phy *mpt2sas_phy) | |
591 | { | |
592 | struct _sas_port *mpt2sas_port, *next; | |
593 | struct _sas_phy *phy_srch; | |
594 | ||
595 | if (mpt2sas_phy->phy_belongs_to_port == 0) | |
38c29114 KD |
596 | return; |
597 | ||
7f6f794d KD |
598 | list_for_each_entry_safe(mpt2sas_port, next, &sas_node->sas_port_list, |
599 | port_list) { | |
600 | list_for_each_entry(phy_srch, &mpt2sas_port->phy_list, | |
601 | port_siblings) { | |
602 | if (phy_srch != mpt2sas_phy) | |
603 | continue; | |
604 | if (mpt2sas_port->num_phys == 1) | |
605 | _transport_delete_port(ioc, mpt2sas_port); | |
606 | else | |
607 | _transport_delete_phy(ioc, mpt2sas_port, | |
608 | mpt2sas_phy); | |
609 | return; | |
610 | } | |
611 | } | |
38c29114 KD |
612 | } |
613 | ||
614 | /** | |
615 | * _transport_sanity_check - sanity check when adding a new port | |
616 | * @ioc: per adapter object | |
617 | * @sas_node: sas node object (either expander or sas host) | |
618 | * @sas_address: sas address of device being added | |
619 | * | |
620 | * See the explanation above from _transport_delete_duplicate_port | |
621 | */ | |
622 | static void | |
623 | _transport_sanity_check(struct MPT2SAS_ADAPTER *ioc, struct _sas_node *sas_node, | |
624 | u64 sas_address) | |
625 | { | |
626 | int i; | |
627 | ||
7f6f794d KD |
628 | for (i = 0; i < sas_node->num_phys; i++) { |
629 | if (sas_node->phy[i].remote_identify.sas_address != sas_address) | |
630 | continue; | |
631 | if (sas_node->phy[i].phy_belongs_to_port == 1) | |
632 | _transport_del_phy_from_an_existing_port(ioc, sas_node, | |
633 | &sas_node->phy[i]); | |
634 | } | |
38c29114 KD |
635 | } |
636 | ||
635374e7 EM |
637 | /** |
638 | * mpt2sas_transport_port_add - insert port to the list | |
639 | * @ioc: per adapter object | |
640 | * @handle: handle of attached device | |
c5e039be | 641 | * @sas_address: sas address of parent expander or sas host |
635374e7 EM |
642 | * Context: This function will acquire ioc->sas_node_lock. |
643 | * | |
644 | * Adding new port object to the sas_node->sas_port_list. | |
645 | * | |
646 | * Returns mpt2sas_port. | |
647 | */ | |
648 | struct _sas_port * | |
649 | mpt2sas_transport_port_add(struct MPT2SAS_ADAPTER *ioc, u16 handle, | |
c5e039be | 650 | u64 sas_address) |
635374e7 EM |
651 | { |
652 | struct _sas_phy *mpt2sas_phy, *next; | |
653 | struct _sas_port *mpt2sas_port; | |
654 | unsigned long flags; | |
655 | struct _sas_node *sas_node; | |
656 | struct sas_rphy *rphy; | |
657 | int i; | |
658 | struct sas_port *port; | |
659 | ||
635374e7 EM |
660 | mpt2sas_port = kzalloc(sizeof(struct _sas_port), |
661 | GFP_KERNEL); | |
662 | if (!mpt2sas_port) { | |
663 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
664 | ioc->name, __FILE__, __LINE__, __func__); | |
665 | return NULL; | |
666 | } | |
667 | ||
668 | INIT_LIST_HEAD(&mpt2sas_port->port_list); | |
669 | INIT_LIST_HEAD(&mpt2sas_port->phy_list); | |
670 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
c5e039be | 671 | sas_node = _transport_sas_node_find_by_sas_address(ioc, sas_address); |
635374e7 EM |
672 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
673 | ||
674 | if (!sas_node) { | |
c5e039be KD |
675 | printk(MPT2SAS_ERR_FMT "%s: Could not find " |
676 | "parent sas_address(0x%016llx)!\n", ioc->name, | |
677 | __func__, (unsigned long long)sas_address); | |
635374e7 EM |
678 | goto out_fail; |
679 | } | |
680 | ||
635374e7 EM |
681 | if ((_transport_set_identify(ioc, handle, |
682 | &mpt2sas_port->remote_identify))) { | |
683 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
684 | ioc->name, __FILE__, __LINE__, __func__); | |
685 | goto out_fail; | |
686 | } | |
687 | ||
688 | if (mpt2sas_port->remote_identify.device_type == SAS_PHY_UNUSED) { | |
689 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
690 | ioc->name, __FILE__, __LINE__, __func__); | |
691 | goto out_fail; | |
692 | } | |
693 | ||
38c29114 KD |
694 | _transport_sanity_check(ioc, sas_node, |
695 | mpt2sas_port->remote_identify.sas_address); | |
696 | ||
635374e7 EM |
697 | for (i = 0; i < sas_node->num_phys; i++) { |
698 | if (sas_node->phy[i].remote_identify.sas_address != | |
699 | mpt2sas_port->remote_identify.sas_address) | |
700 | continue; | |
701 | list_add_tail(&sas_node->phy[i].port_siblings, | |
702 | &mpt2sas_port->phy_list); | |
703 | mpt2sas_port->num_phys++; | |
704 | } | |
705 | ||
706 | if (!mpt2sas_port->num_phys) { | |
707 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
708 | ioc->name, __FILE__, __LINE__, __func__); | |
709 | goto out_fail; | |
710 | } | |
711 | ||
712 | port = sas_port_alloc_num(sas_node->parent_dev); | |
713 | if ((sas_port_add(port))) { | |
714 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
715 | ioc->name, __FILE__, __LINE__, __func__); | |
716 | goto out_fail; | |
717 | } | |
718 | ||
719 | list_for_each_entry(mpt2sas_phy, &mpt2sas_port->phy_list, | |
720 | port_siblings) { | |
721 | if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) | |
722 | dev_printk(KERN_INFO, &port->dev, "add: handle(0x%04x)" | |
723 | ", sas_addr(0x%016llx), phy(%d)\n", handle, | |
724 | (unsigned long long) | |
725 | mpt2sas_port->remote_identify.sas_address, | |
726 | mpt2sas_phy->phy_id); | |
727 | sas_port_add_phy(port, mpt2sas_phy->phy); | |
38c29114 | 728 | mpt2sas_phy->phy_belongs_to_port = 1; |
635374e7 EM |
729 | } |
730 | ||
731 | mpt2sas_port->port = port; | |
732 | if (mpt2sas_port->remote_identify.device_type == SAS_END_DEVICE) | |
733 | rphy = sas_end_device_alloc(port); | |
734 | else | |
735 | rphy = sas_expander_alloc(port, | |
736 | mpt2sas_port->remote_identify.device_type); | |
737 | ||
738 | rphy->identify = mpt2sas_port->remote_identify; | |
739 | if ((sas_rphy_add(rphy))) { | |
740 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
741 | ioc->name, __FILE__, __LINE__, __func__); | |
742 | } | |
743 | if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) | |
744 | dev_printk(KERN_INFO, &rphy->dev, "add: handle(0x%04x), " | |
745 | "sas_addr(0x%016llx)\n", handle, | |
746 | (unsigned long long) | |
747 | mpt2sas_port->remote_identify.sas_address); | |
748 | mpt2sas_port->rphy = rphy; | |
749 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
750 | list_add_tail(&mpt2sas_port->port_list, &sas_node->sas_port_list); | |
751 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
752 | ||
753 | /* fill in report manufacture */ | |
754 | if (mpt2sas_port->remote_identify.device_type == | |
755 | MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER || | |
756 | mpt2sas_port->remote_identify.device_type == | |
757 | MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER) | |
d5d135b3 | 758 | _transport_expander_report_manufacture(ioc, |
635374e7 EM |
759 | mpt2sas_port->remote_identify.sas_address, |
760 | rphy_to_expander_device(rphy)); | |
761 | ||
762 | return mpt2sas_port; | |
763 | ||
764 | out_fail: | |
765 | list_for_each_entry_safe(mpt2sas_phy, next, &mpt2sas_port->phy_list, | |
766 | port_siblings) | |
767 | list_del(&mpt2sas_phy->port_siblings); | |
768 | kfree(mpt2sas_port); | |
769 | return NULL; | |
770 | } | |
771 | ||
772 | /** | |
773 | * mpt2sas_transport_port_remove - remove port from the list | |
774 | * @ioc: per adapter object | |
775 | * @sas_address: sas address of attached device | |
c5e039be | 776 | * @sas_address_parent: sas address of parent expander or sas host |
635374e7 EM |
777 | * Context: This function will acquire ioc->sas_node_lock. |
778 | * | |
779 | * Removing object and freeing associated memory from the | |
780 | * ioc->sas_port_list. | |
781 | * | |
782 | * Return nothing. | |
783 | */ | |
784 | void | |
785 | mpt2sas_transport_port_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, | |
c5e039be | 786 | u64 sas_address_parent) |
635374e7 EM |
787 | { |
788 | int i; | |
789 | unsigned long flags; | |
790 | struct _sas_port *mpt2sas_port, *next; | |
791 | struct _sas_node *sas_node; | |
792 | u8 found = 0; | |
793 | struct _sas_phy *mpt2sas_phy, *next_phy; | |
794 | ||
795 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
c5e039be KD |
796 | sas_node = _transport_sas_node_find_by_sas_address(ioc, |
797 | sas_address_parent); | |
09da0b32 | 798 | if (!sas_node) { |
799 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
635374e7 | 800 | return; |
09da0b32 | 801 | } |
635374e7 EM |
802 | list_for_each_entry_safe(mpt2sas_port, next, &sas_node->sas_port_list, |
803 | port_list) { | |
804 | if (mpt2sas_port->remote_identify.sas_address != sas_address) | |
805 | continue; | |
806 | found = 1; | |
807 | list_del(&mpt2sas_port->port_list); | |
808 | goto out; | |
809 | } | |
810 | out: | |
09da0b32 | 811 | if (!found) { |
812 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
635374e7 | 813 | return; |
09da0b32 | 814 | } |
635374e7 EM |
815 | |
816 | for (i = 0; i < sas_node->num_phys; i++) { | |
817 | if (sas_node->phy[i].remote_identify.sas_address == sas_address) | |
818 | memset(&sas_node->phy[i].remote_identify, 0 , | |
819 | sizeof(struct sas_identify)); | |
820 | } | |
821 | ||
09da0b32 | 822 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
635374e7 EM |
823 | list_for_each_entry_safe(mpt2sas_phy, next_phy, |
824 | &mpt2sas_port->phy_list, port_siblings) { | |
825 | if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) | |
826 | dev_printk(KERN_INFO, &mpt2sas_port->port->dev, | |
c5e039be | 827 | "remove: sas_addr(0x%016llx), phy(%d)\n", |
635374e7 EM |
828 | (unsigned long long) |
829 | mpt2sas_port->remote_identify.sas_address, | |
830 | mpt2sas_phy->phy_id); | |
38c29114 | 831 | mpt2sas_phy->phy_belongs_to_port = 0; |
635374e7 EM |
832 | sas_port_delete_phy(mpt2sas_port->port, mpt2sas_phy->phy); |
833 | list_del(&mpt2sas_phy->port_siblings); | |
834 | } | |
835 | sas_port_delete(mpt2sas_port->port); | |
836 | kfree(mpt2sas_port); | |
837 | } | |
838 | ||
839 | /** | |
840 | * mpt2sas_transport_add_host_phy - report sas_host phy to transport | |
841 | * @ioc: per adapter object | |
842 | * @mpt2sas_phy: mpt2sas per phy object | |
843 | * @phy_pg0: sas phy page 0 | |
844 | * @parent_dev: parent device class object | |
845 | * | |
846 | * Returns 0 for success, non-zero for failure. | |
847 | */ | |
848 | int | |
849 | mpt2sas_transport_add_host_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy | |
850 | *mpt2sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev) | |
851 | { | |
852 | struct sas_phy *phy; | |
853 | int phy_index = mpt2sas_phy->phy_id; | |
854 | ||
855 | ||
856 | INIT_LIST_HEAD(&mpt2sas_phy->port_siblings); | |
857 | phy = sas_phy_alloc(parent_dev, phy_index); | |
858 | if (!phy) { | |
859 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
860 | ioc->name, __FILE__, __LINE__, __func__); | |
861 | return -1; | |
862 | } | |
863 | if ((_transport_set_identify(ioc, mpt2sas_phy->handle, | |
864 | &mpt2sas_phy->identify))) { | |
865 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
866 | ioc->name, __FILE__, __LINE__, __func__); | |
867 | return -1; | |
868 | } | |
869 | phy->identify = mpt2sas_phy->identify; | |
870 | mpt2sas_phy->attached_handle = le16_to_cpu(phy_pg0.AttachedDevHandle); | |
871 | if (mpt2sas_phy->attached_handle) | |
872 | _transport_set_identify(ioc, mpt2sas_phy->attached_handle, | |
873 | &mpt2sas_phy->remote_identify); | |
874 | phy->identify.phy_identifier = mpt2sas_phy->phy_id; | |
875 | phy->negotiated_linkrate = _transport_convert_phy_link_rate( | |
876 | phy_pg0.NegotiatedLinkRate & MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL); | |
877 | phy->minimum_linkrate_hw = _transport_convert_phy_link_rate( | |
878 | phy_pg0.HwLinkRate & MPI2_SAS_HWRATE_MIN_RATE_MASK); | |
879 | phy->maximum_linkrate_hw = _transport_convert_phy_link_rate( | |
880 | phy_pg0.HwLinkRate >> 4); | |
881 | phy->minimum_linkrate = _transport_convert_phy_link_rate( | |
882 | phy_pg0.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK); | |
883 | phy->maximum_linkrate = _transport_convert_phy_link_rate( | |
884 | phy_pg0.ProgrammedLinkRate >> 4); | |
885 | ||
886 | if ((sas_phy_add(phy))) { | |
887 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
888 | ioc->name, __FILE__, __LINE__, __func__); | |
889 | sas_phy_free(phy); | |
890 | return -1; | |
891 | } | |
892 | if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) | |
893 | dev_printk(KERN_INFO, &phy->dev, | |
894 | "add: handle(0x%04x), sas_addr(0x%016llx)\n" | |
895 | "\tattached_handle(0x%04x), sas_addr(0x%016llx)\n", | |
896 | mpt2sas_phy->handle, (unsigned long long) | |
897 | mpt2sas_phy->identify.sas_address, | |
898 | mpt2sas_phy->attached_handle, | |
899 | (unsigned long long) | |
900 | mpt2sas_phy->remote_identify.sas_address); | |
901 | mpt2sas_phy->phy = phy; | |
902 | return 0; | |
903 | } | |
904 | ||
905 | ||
906 | /** | |
907 | * mpt2sas_transport_add_expander_phy - report expander phy to transport | |
908 | * @ioc: per adapter object | |
909 | * @mpt2sas_phy: mpt2sas per phy object | |
910 | * @expander_pg1: expander page 1 | |
911 | * @parent_dev: parent device class object | |
912 | * | |
913 | * Returns 0 for success, non-zero for failure. | |
914 | */ | |
915 | int | |
916 | mpt2sas_transport_add_expander_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy | |
917 | *mpt2sas_phy, Mpi2ExpanderPage1_t expander_pg1, struct device *parent_dev) | |
918 | { | |
919 | struct sas_phy *phy; | |
920 | int phy_index = mpt2sas_phy->phy_id; | |
921 | ||
922 | INIT_LIST_HEAD(&mpt2sas_phy->port_siblings); | |
923 | phy = sas_phy_alloc(parent_dev, phy_index); | |
924 | if (!phy) { | |
925 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
926 | ioc->name, __FILE__, __LINE__, __func__); | |
927 | return -1; | |
928 | } | |
929 | if ((_transport_set_identify(ioc, mpt2sas_phy->handle, | |
930 | &mpt2sas_phy->identify))) { | |
931 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
932 | ioc->name, __FILE__, __LINE__, __func__); | |
933 | return -1; | |
934 | } | |
935 | phy->identify = mpt2sas_phy->identify; | |
936 | mpt2sas_phy->attached_handle = | |
937 | le16_to_cpu(expander_pg1.AttachedDevHandle); | |
938 | if (mpt2sas_phy->attached_handle) | |
939 | _transport_set_identify(ioc, mpt2sas_phy->attached_handle, | |
940 | &mpt2sas_phy->remote_identify); | |
941 | phy->identify.phy_identifier = mpt2sas_phy->phy_id; | |
942 | phy->negotiated_linkrate = _transport_convert_phy_link_rate( | |
943 | expander_pg1.NegotiatedLinkRate & | |
944 | MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL); | |
945 | phy->minimum_linkrate_hw = _transport_convert_phy_link_rate( | |
946 | expander_pg1.HwLinkRate & MPI2_SAS_HWRATE_MIN_RATE_MASK); | |
947 | phy->maximum_linkrate_hw = _transport_convert_phy_link_rate( | |
948 | expander_pg1.HwLinkRate >> 4); | |
949 | phy->minimum_linkrate = _transport_convert_phy_link_rate( | |
950 | expander_pg1.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK); | |
951 | phy->maximum_linkrate = _transport_convert_phy_link_rate( | |
952 | expander_pg1.ProgrammedLinkRate >> 4); | |
953 | ||
954 | if ((sas_phy_add(phy))) { | |
955 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
956 | ioc->name, __FILE__, __LINE__, __func__); | |
957 | sas_phy_free(phy); | |
958 | return -1; | |
959 | } | |
960 | if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) | |
961 | dev_printk(KERN_INFO, &phy->dev, | |
962 | "add: handle(0x%04x), sas_addr(0x%016llx)\n" | |
963 | "\tattached_handle(0x%04x), sas_addr(0x%016llx)\n", | |
964 | mpt2sas_phy->handle, (unsigned long long) | |
965 | mpt2sas_phy->identify.sas_address, | |
966 | mpt2sas_phy->attached_handle, | |
967 | (unsigned long long) | |
968 | mpt2sas_phy->remote_identify.sas_address); | |
969 | mpt2sas_phy->phy = phy; | |
970 | return 0; | |
971 | } | |
972 | ||
973 | /** | |
cc0f5207 | 974 | * mpt2sas_transport_update_links - refreshing phy link changes |
635374e7 | 975 | * @ioc: per adapter object |
c5e039be KD |
976 | * @sas_address: sas address of parent expander or sas host |
977 | * @handle: attached device handle | |
635374e7 EM |
978 | * @phy_numberv: phy number |
979 | * @link_rate: new link rate | |
980 | * | |
981 | * Returns nothing. | |
982 | */ | |
983 | void | |
cc0f5207 | 984 | mpt2sas_transport_update_links(struct MPT2SAS_ADAPTER *ioc, |
c5e039be | 985 | u64 sas_address, u16 handle, u8 phy_number, u8 link_rate) |
635374e7 EM |
986 | { |
987 | unsigned long flags; | |
988 | struct _sas_node *sas_node; | |
989 | struct _sas_phy *mpt2sas_phy; | |
990 | ||
3cb5469a | 991 | if (ioc->shost_recovery || ioc->pci_error_recovery) |
155dd4c7 | 992 | return; |
155dd4c7 | 993 | |
635374e7 | 994 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
c5e039be | 995 | sas_node = _transport_sas_node_find_by_sas_address(ioc, sas_address); |
09da0b32 | 996 | if (!sas_node) { |
997 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
635374e7 | 998 | return; |
09da0b32 | 999 | } |
635374e7 EM |
1000 | |
1001 | mpt2sas_phy = &sas_node->phy[phy_number]; | |
c5e039be | 1002 | mpt2sas_phy->attached_handle = handle; |
09da0b32 | 1003 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
7f6f794d | 1004 | if (handle && (link_rate >= MPI2_SAS_NEG_LINK_RATE_1_5)) { |
c5e039be | 1005 | _transport_set_identify(ioc, handle, |
635374e7 | 1006 | &mpt2sas_phy->remote_identify); |
7f6f794d KD |
1007 | _transport_add_phy_to_an_existing_port(ioc, sas_node, |
1008 | mpt2sas_phy, mpt2sas_phy->remote_identify.sas_address); | |
1009 | } else | |
635374e7 EM |
1010 | memset(&mpt2sas_phy->remote_identify, 0 , sizeof(struct |
1011 | sas_identify)); | |
1012 | ||
1013 | if (mpt2sas_phy->phy) | |
1014 | mpt2sas_phy->phy->negotiated_linkrate = | |
1015 | _transport_convert_phy_link_rate(link_rate); | |
1016 | ||
1017 | if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) | |
1018 | dev_printk(KERN_INFO, &mpt2sas_phy->phy->dev, | |
c5e039be | 1019 | "refresh: parent sas_addr(0x%016llx),\n" |
635374e7 EM |
1020 | "\tlink_rate(0x%02x), phy(%d)\n" |
1021 | "\tattached_handle(0x%04x), sas_addr(0x%016llx)\n", | |
c5e039be KD |
1022 | (unsigned long long)sas_address, |
1023 | link_rate, phy_number, handle, (unsigned long long) | |
635374e7 EM |
1024 | mpt2sas_phy->remote_identify.sas_address); |
1025 | } | |
1026 | ||
1027 | static inline void * | |
1028 | phy_to_ioc(struct sas_phy *phy) | |
1029 | { | |
1030 | struct Scsi_Host *shost = dev_to_shost(phy->dev.parent); | |
1031 | return shost_priv(shost); | |
1032 | } | |
1033 | ||
1034 | static inline void * | |
1035 | rphy_to_ioc(struct sas_rphy *rphy) | |
1036 | { | |
1037 | struct Scsi_Host *shost = dev_to_shost(rphy->dev.parent->parent); | |
1038 | return shost_priv(shost); | |
1039 | } | |
1040 | ||
50d5c606 | 1041 | |
d5f491e6 KD |
1042 | /* report phy error log structure */ |
1043 | struct phy_error_log_request{ | |
1044 | u8 smp_frame_type; /* 0x40 */ | |
1045 | u8 function; /* 0x11 */ | |
1046 | u8 allocated_response_length; | |
1047 | u8 request_length; /* 02 */ | |
1048 | u8 reserved_1[5]; | |
1049 | u8 phy_identifier; | |
1050 | u8 reserved_2[2]; | |
1051 | }; | |
1052 | ||
1053 | /* report phy error log reply structure */ | |
1054 | struct phy_error_log_reply{ | |
1055 | u8 smp_frame_type; /* 0x41 */ | |
1056 | u8 function; /* 0x11 */ | |
1057 | u8 function_result; | |
1058 | u8 response_length; | |
c97951ec | 1059 | __be16 expander_change_count; |
d5f491e6 KD |
1060 | u8 reserved_1[3]; |
1061 | u8 phy_identifier; | |
1062 | u8 reserved_2[2]; | |
c97951ec KD |
1063 | __be32 invalid_dword; |
1064 | __be32 running_disparity_error; | |
1065 | __be32 loss_of_dword_sync; | |
1066 | __be32 phy_reset_problem; | |
d5f491e6 KD |
1067 | }; |
1068 | ||
1069 | /** | |
1070 | * _transport_get_expander_phy_error_log - return expander counters | |
1071 | * @ioc: per adapter object | |
1072 | * @phy: The sas phy object | |
1073 | * | |
1074 | * Returns 0 for success, non-zero for failure. | |
1075 | * | |
1076 | */ | |
1077 | static int | |
1078 | _transport_get_expander_phy_error_log(struct MPT2SAS_ADAPTER *ioc, | |
1079 | struct sas_phy *phy) | |
1080 | { | |
1081 | Mpi2SmpPassthroughRequest_t *mpi_request; | |
1082 | Mpi2SmpPassthroughReply_t *mpi_reply; | |
1083 | struct phy_error_log_request *phy_error_log_request; | |
1084 | struct phy_error_log_reply *phy_error_log_reply; | |
1085 | int rc; | |
1086 | u16 smid; | |
1087 | u32 ioc_state; | |
1088 | unsigned long timeleft; | |
1089 | void *psge; | |
1090 | u32 sgl_flags; | |
1091 | u8 issue_reset = 0; | |
1092 | void *data_out = NULL; | |
1093 | dma_addr_t data_out_dma; | |
1094 | u32 sz; | |
d5f491e6 KD |
1095 | u16 wait_state_count; |
1096 | ||
3cb5469a | 1097 | if (ioc->shost_recovery || ioc->pci_error_recovery) { |
d5f491e6 KD |
1098 | printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", |
1099 | __func__, ioc->name); | |
1100 | return -EFAULT; | |
1101 | } | |
1102 | ||
1103 | mutex_lock(&ioc->transport_cmds.mutex); | |
1104 | ||
1105 | if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) { | |
1106 | printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n", | |
1107 | ioc->name, __func__); | |
1108 | rc = -EAGAIN; | |
1109 | goto out; | |
1110 | } | |
1111 | ioc->transport_cmds.status = MPT2_CMD_PENDING; | |
1112 | ||
1113 | wait_state_count = 0; | |
1114 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
1115 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
1116 | if (wait_state_count++ == 10) { | |
1117 | printk(MPT2SAS_ERR_FMT | |
1118 | "%s: failed due to ioc not operational\n", | |
1119 | ioc->name, __func__); | |
1120 | rc = -EFAULT; | |
1121 | goto out; | |
1122 | } | |
1123 | ssleep(1); | |
1124 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
1125 | printk(MPT2SAS_INFO_FMT "%s: waiting for " | |
1126 | "operational state(count=%d)\n", ioc->name, | |
1127 | __func__, wait_state_count); | |
1128 | } | |
1129 | if (wait_state_count) | |
1130 | printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n", | |
1131 | ioc->name, __func__); | |
1132 | ||
1133 | smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx); | |
1134 | if (!smid) { | |
1135 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
1136 | ioc->name, __func__); | |
1137 | rc = -EAGAIN; | |
1138 | goto out; | |
1139 | } | |
1140 | ||
1141 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
1142 | ioc->transport_cmds.smid = smid; | |
1143 | ||
1144 | sz = sizeof(struct phy_error_log_request) + | |
1145 | sizeof(struct phy_error_log_reply); | |
1146 | data_out = pci_alloc_consistent(ioc->pdev, sz, &data_out_dma); | |
1147 | if (!data_out) { | |
1148 | printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, | |
1149 | __LINE__, __func__); | |
1150 | rc = -ENOMEM; | |
1151 | mpt2sas_base_free_smid(ioc, smid); | |
1152 | goto out; | |
1153 | } | |
1154 | ||
1155 | rc = -EINVAL; | |
1156 | memset(data_out, 0, sz); | |
1157 | phy_error_log_request = data_out; | |
1158 | phy_error_log_request->smp_frame_type = 0x40; | |
1159 | phy_error_log_request->function = 0x11; | |
1160 | phy_error_log_request->request_length = 2; | |
1161 | phy_error_log_request->allocated_response_length = 0; | |
1162 | phy_error_log_request->phy_identifier = phy->number; | |
1163 | ||
1164 | memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t)); | |
1165 | mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; | |
1166 | mpi_request->PhysicalPort = 0xFF; | |
1167 | mpi_request->VF_ID = 0; /* TODO */ | |
1168 | mpi_request->VP_ID = 0; | |
c97951ec | 1169 | mpi_request->SASAddress = cpu_to_le64(phy->identify.sas_address); |
d5f491e6 KD |
1170 | mpi_request->RequestDataLength = |
1171 | cpu_to_le16(sizeof(struct phy_error_log_request)); | |
1172 | psge = &mpi_request->SGL; | |
1173 | ||
1174 | /* WRITE sgel first */ | |
1175 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
1176 | MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC); | |
1177 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
1178 | ioc->base_add_sg_single(psge, sgl_flags | | |
1179 | sizeof(struct phy_error_log_request), data_out_dma); | |
1180 | ||
1181 | /* incr sgel */ | |
1182 | psge += ioc->sge_size; | |
1183 | ||
1184 | /* READ sgel last */ | |
1185 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
1186 | MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | | |
1187 | MPI2_SGE_FLAGS_END_OF_LIST); | |
1188 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
1189 | ioc->base_add_sg_single(psge, sgl_flags | | |
1190 | sizeof(struct phy_error_log_reply), data_out_dma + | |
1191 | sizeof(struct phy_error_log_request)); | |
1192 | ||
1193 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_error_log - " | |
1194 | "send to sas_addr(0x%016llx), phy(%d)\n", ioc->name, | |
1195 | (unsigned long long)phy->identify.sas_address, phy->number)); | |
d5f491e6 | 1196 | init_completion(&ioc->transport_cmds.done); |
f01690d3 | 1197 | mpt2sas_base_put_smid_default(ioc, smid); |
d5f491e6 KD |
1198 | timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done, |
1199 | 10*HZ); | |
1200 | ||
1201 | if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) { | |
1202 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
1203 | ioc->name, __func__); | |
1204 | _debug_dump_mf(mpi_request, | |
1205 | sizeof(Mpi2SmpPassthroughRequest_t)/4); | |
1206 | if (!(ioc->transport_cmds.status & MPT2_CMD_RESET)) | |
1207 | issue_reset = 1; | |
1208 | goto issue_host_reset; | |
1209 | } | |
1210 | ||
1211 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_error_log - " | |
1212 | "complete\n", ioc->name)); | |
1213 | ||
1214 | if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) { | |
1215 | ||
1216 | mpi_reply = ioc->transport_cmds.reply; | |
1217 | ||
1218 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT | |
1219 | "phy_error_log - reply data transfer size(%d)\n", | |
1220 | ioc->name, le16_to_cpu(mpi_reply->ResponseDataLength))); | |
1221 | ||
1222 | if (le16_to_cpu(mpi_reply->ResponseDataLength) != | |
1223 | sizeof(struct phy_error_log_reply)) | |
1224 | goto out; | |
1225 | ||
1226 | phy_error_log_reply = data_out + | |
1227 | sizeof(struct phy_error_log_request); | |
1228 | ||
1229 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT | |
1230 | "phy_error_log - function_result(%d)\n", | |
1231 | ioc->name, phy_error_log_reply->function_result)); | |
1232 | ||
1233 | phy->invalid_dword_count = | |
1234 | be32_to_cpu(phy_error_log_reply->invalid_dword); | |
1235 | phy->running_disparity_error_count = | |
1236 | be32_to_cpu(phy_error_log_reply->running_disparity_error); | |
1237 | phy->loss_of_dword_sync_count = | |
1238 | be32_to_cpu(phy_error_log_reply->loss_of_dword_sync); | |
1239 | phy->phy_reset_problem_count = | |
1240 | be32_to_cpu(phy_error_log_reply->phy_reset_problem); | |
1241 | rc = 0; | |
1242 | } else | |
1243 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT | |
1244 | "phy_error_log - no reply\n", ioc->name)); | |
1245 | ||
1246 | issue_host_reset: | |
1247 | if (issue_reset) | |
1248 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
1249 | FORCE_BIG_HAMMER); | |
1250 | out: | |
1251 | ioc->transport_cmds.status = MPT2_CMD_NOT_USED; | |
1252 | if (data_out) | |
1253 | pci_free_consistent(ioc->pdev, sz, data_out, data_out_dma); | |
1254 | ||
1255 | mutex_unlock(&ioc->transport_cmds.mutex); | |
1256 | return rc; | |
1257 | } | |
1258 | ||
635374e7 | 1259 | /** |
d5f491e6 | 1260 | * _transport_get_linkerrors - return phy counters for both hba and expanders |
635374e7 EM |
1261 | * @phy: The sas phy object |
1262 | * | |
635374e7 EM |
1263 | * Returns 0 for success, non-zero for failure. |
1264 | * | |
1265 | */ | |
1266 | static int | |
d5d135b3 | 1267 | _transport_get_linkerrors(struct sas_phy *phy) |
635374e7 EM |
1268 | { |
1269 | struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy); | |
d5f491e6 | 1270 | unsigned long flags; |
635374e7 EM |
1271 | Mpi2ConfigReply_t mpi_reply; |
1272 | Mpi2SasPhyPage1_t phy_pg1; | |
635374e7 | 1273 | |
d5f491e6 KD |
1274 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
1275 | if (_transport_sas_node_find_by_sas_address(ioc, | |
1276 | phy->identify.sas_address) == NULL) { | |
1277 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
635374e7 | 1278 | return -EINVAL; |
d5f491e6 KD |
1279 | } |
1280 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
1281 | ||
1282 | if (phy->identify.sas_address != ioc->sas_hba.sas_address) | |
1283 | return _transport_get_expander_phy_error_log(ioc, phy); | |
635374e7 | 1284 | |
d5f491e6 | 1285 | /* get hba phy error logs */ |
635374e7 | 1286 | if ((mpt2sas_config_get_phy_pg1(ioc, &mpi_reply, &phy_pg1, |
d5f491e6 | 1287 | phy->number))) { |
635374e7 EM |
1288 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
1289 | ioc->name, __FILE__, __LINE__, __func__); | |
1290 | return -ENXIO; | |
1291 | } | |
1292 | ||
1293 | if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) | |
1294 | printk(MPT2SAS_INFO_FMT "phy(%d), ioc_status" | |
1295 | "(0x%04x), loginfo(0x%08x)\n", ioc->name, | |
d5f491e6 | 1296 | phy->number, le16_to_cpu(mpi_reply.IOCStatus), |
635374e7 EM |
1297 | le32_to_cpu(mpi_reply.IOCLogInfo)); |
1298 | ||
1299 | phy->invalid_dword_count = le32_to_cpu(phy_pg1.InvalidDwordCount); | |
1300 | phy->running_disparity_error_count = | |
1301 | le32_to_cpu(phy_pg1.RunningDisparityErrorCount); | |
1302 | phy->loss_of_dword_sync_count = | |
1303 | le32_to_cpu(phy_pg1.LossDwordSynchCount); | |
1304 | phy->phy_reset_problem_count = | |
1305 | le32_to_cpu(phy_pg1.PhyResetProblemCount); | |
1306 | return 0; | |
1307 | } | |
1308 | ||
1309 | /** | |
d5d135b3 | 1310 | * _transport_get_enclosure_identifier - |
635374e7 EM |
1311 | * @phy: The sas phy object |
1312 | * | |
1313 | * Obtain the enclosure logical id for an expander. | |
1314 | * Returns 0 for success, non-zero for failure. | |
1315 | */ | |
1316 | static int | |
d5d135b3 | 1317 | _transport_get_enclosure_identifier(struct sas_rphy *rphy, u64 *identifier) |
635374e7 EM |
1318 | { |
1319 | struct MPT2SAS_ADAPTER *ioc = rphy_to_ioc(rphy); | |
ab6ce925 | 1320 | struct _sas_device *sas_device; |
635374e7 | 1321 | unsigned long flags; |
09da0b32 | 1322 | int rc; |
635374e7 | 1323 | |
ab6ce925 KD |
1324 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
1325 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
635374e7 | 1326 | rphy->identify.sas_address); |
09da0b32 | 1327 | if (sas_device) { |
1328 | *identifier = sas_device->enclosure_logical_id; | |
1329 | rc = 0; | |
1330 | } else { | |
1331 | *identifier = 0; | |
1332 | rc = -ENXIO; | |
1333 | } | |
ab6ce925 | 1334 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
09da0b32 | 1335 | return rc; |
635374e7 EM |
1336 | } |
1337 | ||
1338 | /** | |
d5d135b3 | 1339 | * _transport_get_bay_identifier - |
635374e7 EM |
1340 | * @phy: The sas phy object |
1341 | * | |
1342 | * Returns the slot id for a device that resides inside an enclosure. | |
1343 | */ | |
1344 | static int | |
d5d135b3 | 1345 | _transport_get_bay_identifier(struct sas_rphy *rphy) |
635374e7 EM |
1346 | { |
1347 | struct MPT2SAS_ADAPTER *ioc = rphy_to_ioc(rphy); | |
1348 | struct _sas_device *sas_device; | |
1349 | unsigned long flags; | |
09da0b32 | 1350 | int rc; |
635374e7 EM |
1351 | |
1352 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
1353 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
1354 | rphy->identify.sas_address); | |
09da0b32 | 1355 | if (sas_device) |
1356 | rc = sas_device->slot; | |
1357 | else | |
1358 | rc = -ENXIO; | |
635374e7 | 1359 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
09da0b32 | 1360 | return rc; |
635374e7 EM |
1361 | } |
1362 | ||
b8d7d7bb KD |
1363 | /* phy control request structure */ |
1364 | struct phy_control_request{ | |
1365 | u8 smp_frame_type; /* 0x40 */ | |
1366 | u8 function; /* 0x91 */ | |
1367 | u8 allocated_response_length; | |
1368 | u8 request_length; /* 0x09 */ | |
1369 | u16 expander_change_count; | |
1370 | u8 reserved_1[3]; | |
1371 | u8 phy_identifier; | |
1372 | u8 phy_operation; | |
1373 | u8 reserved_2[13]; | |
1374 | u64 attached_device_name; | |
1375 | u8 programmed_min_physical_link_rate; | |
1376 | u8 programmed_max_physical_link_rate; | |
1377 | u8 reserved_3[6]; | |
1378 | }; | |
1379 | ||
1380 | /* phy control reply structure */ | |
1381 | struct phy_control_reply{ | |
1382 | u8 smp_frame_type; /* 0x41 */ | |
1383 | u8 function; /* 0x11 */ | |
1384 | u8 function_result; | |
1385 | u8 response_length; | |
1386 | }; | |
1387 | ||
1388 | #define SMP_PHY_CONTROL_LINK_RESET (0x01) | |
1389 | #define SMP_PHY_CONTROL_HARD_RESET (0x02) | |
1390 | #define SMP_PHY_CONTROL_DISABLE (0x03) | |
1391 | ||
1392 | /** | |
1393 | * _transport_expander_phy_control - expander phy control | |
1394 | * @ioc: per adapter object | |
1395 | * @phy: The sas phy object | |
1396 | * | |
1397 | * Returns 0 for success, non-zero for failure. | |
1398 | * | |
1399 | */ | |
1400 | static int | |
1401 | _transport_expander_phy_control(struct MPT2SAS_ADAPTER *ioc, | |
1402 | struct sas_phy *phy, u8 phy_operation) | |
1403 | { | |
1404 | Mpi2SmpPassthroughRequest_t *mpi_request; | |
1405 | Mpi2SmpPassthroughReply_t *mpi_reply; | |
1406 | struct phy_control_request *phy_control_request; | |
1407 | struct phy_control_reply *phy_control_reply; | |
1408 | int rc; | |
1409 | u16 smid; | |
1410 | u32 ioc_state; | |
1411 | unsigned long timeleft; | |
1412 | void *psge; | |
1413 | u32 sgl_flags; | |
1414 | u8 issue_reset = 0; | |
1415 | void *data_out = NULL; | |
1416 | dma_addr_t data_out_dma; | |
1417 | u32 sz; | |
b8d7d7bb KD |
1418 | u16 wait_state_count; |
1419 | ||
1420 | if (ioc->shost_recovery) { | |
1421 | printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", | |
1422 | __func__, ioc->name); | |
1423 | return -EFAULT; | |
1424 | } | |
1425 | ||
1426 | mutex_lock(&ioc->transport_cmds.mutex); | |
1427 | ||
1428 | if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) { | |
1429 | printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n", | |
1430 | ioc->name, __func__); | |
1431 | rc = -EAGAIN; | |
1432 | goto out; | |
1433 | } | |
1434 | ioc->transport_cmds.status = MPT2_CMD_PENDING; | |
1435 | ||
1436 | wait_state_count = 0; | |
1437 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
1438 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
1439 | if (wait_state_count++ == 10) { | |
1440 | printk(MPT2SAS_ERR_FMT | |
1441 | "%s: failed due to ioc not operational\n", | |
1442 | ioc->name, __func__); | |
1443 | rc = -EFAULT; | |
1444 | goto out; | |
1445 | } | |
1446 | ssleep(1); | |
1447 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
1448 | printk(MPT2SAS_INFO_FMT "%s: waiting for " | |
1449 | "operational state(count=%d)\n", ioc->name, | |
1450 | __func__, wait_state_count); | |
1451 | } | |
1452 | if (wait_state_count) | |
1453 | printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n", | |
1454 | ioc->name, __func__); | |
1455 | ||
1456 | smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx); | |
1457 | if (!smid) { | |
1458 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
1459 | ioc->name, __func__); | |
1460 | rc = -EAGAIN; | |
1461 | goto out; | |
1462 | } | |
1463 | ||
1464 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
1465 | ioc->transport_cmds.smid = smid; | |
1466 | ||
1467 | sz = sizeof(struct phy_control_request) + | |
1468 | sizeof(struct phy_control_reply); | |
1469 | data_out = pci_alloc_consistent(ioc->pdev, sz, &data_out_dma); | |
1470 | if (!data_out) { | |
1471 | printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, | |
1472 | __LINE__, __func__); | |
1473 | rc = -ENOMEM; | |
1474 | mpt2sas_base_free_smid(ioc, smid); | |
1475 | goto out; | |
1476 | } | |
1477 | ||
1478 | rc = -EINVAL; | |
1479 | memset(data_out, 0, sz); | |
1480 | phy_control_request = data_out; | |
1481 | phy_control_request->smp_frame_type = 0x40; | |
1482 | phy_control_request->function = 0x91; | |
1483 | phy_control_request->request_length = 9; | |
1484 | phy_control_request->allocated_response_length = 0; | |
1485 | phy_control_request->phy_identifier = phy->number; | |
1486 | phy_control_request->phy_operation = phy_operation; | |
1487 | phy_control_request->programmed_min_physical_link_rate = | |
1488 | phy->minimum_linkrate << 4; | |
1489 | phy_control_request->programmed_max_physical_link_rate = | |
1490 | phy->maximum_linkrate << 4; | |
1491 | ||
1492 | memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t)); | |
1493 | mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; | |
1494 | mpi_request->PhysicalPort = 0xFF; | |
1495 | mpi_request->VF_ID = 0; /* TODO */ | |
1496 | mpi_request->VP_ID = 0; | |
c97951ec | 1497 | mpi_request->SASAddress = cpu_to_le64(phy->identify.sas_address); |
b8d7d7bb KD |
1498 | mpi_request->RequestDataLength = |
1499 | cpu_to_le16(sizeof(struct phy_error_log_request)); | |
1500 | psge = &mpi_request->SGL; | |
1501 | ||
1502 | /* WRITE sgel first */ | |
1503 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
1504 | MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC); | |
1505 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
1506 | ioc->base_add_sg_single(psge, sgl_flags | | |
1507 | sizeof(struct phy_control_request), data_out_dma); | |
1508 | ||
1509 | /* incr sgel */ | |
1510 | psge += ioc->sge_size; | |
1511 | ||
1512 | /* READ sgel last */ | |
1513 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
1514 | MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | | |
1515 | MPI2_SGE_FLAGS_END_OF_LIST); | |
1516 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
1517 | ioc->base_add_sg_single(psge, sgl_flags | | |
1518 | sizeof(struct phy_control_reply), data_out_dma + | |
1519 | sizeof(struct phy_control_request)); | |
1520 | ||
1521 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_control - " | |
1522 | "send to sas_addr(0x%016llx), phy(%d), opcode(%d)\n", ioc->name, | |
1523 | (unsigned long long)phy->identify.sas_address, phy->number, | |
1524 | phy_operation)); | |
f01690d3 | 1525 | |
b8d7d7bb | 1526 | init_completion(&ioc->transport_cmds.done); |
f01690d3 | 1527 | mpt2sas_base_put_smid_default(ioc, smid); |
b8d7d7bb KD |
1528 | timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done, |
1529 | 10*HZ); | |
1530 | ||
1531 | if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) { | |
1532 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
1533 | ioc->name, __func__); | |
1534 | _debug_dump_mf(mpi_request, | |
1535 | sizeof(Mpi2SmpPassthroughRequest_t)/4); | |
1536 | if (!(ioc->transport_cmds.status & MPT2_CMD_RESET)) | |
1537 | issue_reset = 1; | |
1538 | goto issue_host_reset; | |
1539 | } | |
1540 | ||
1541 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_control - " | |
1542 | "complete\n", ioc->name)); | |
1543 | ||
1544 | if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) { | |
1545 | ||
1546 | mpi_reply = ioc->transport_cmds.reply; | |
1547 | ||
1548 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT | |
1549 | "phy_control - reply data transfer size(%d)\n", | |
1550 | ioc->name, le16_to_cpu(mpi_reply->ResponseDataLength))); | |
1551 | ||
1552 | if (le16_to_cpu(mpi_reply->ResponseDataLength) != | |
1553 | sizeof(struct phy_control_reply)) | |
1554 | goto out; | |
1555 | ||
1556 | phy_control_reply = data_out + | |
1557 | sizeof(struct phy_control_request); | |
1558 | ||
1559 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT | |
1560 | "phy_control - function_result(%d)\n", | |
1561 | ioc->name, phy_control_reply->function_result)); | |
1562 | ||
1563 | rc = 0; | |
1564 | } else | |
1565 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT | |
1566 | "phy_control - no reply\n", ioc->name)); | |
1567 | ||
1568 | issue_host_reset: | |
1569 | if (issue_reset) | |
1570 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
1571 | FORCE_BIG_HAMMER); | |
1572 | out: | |
1573 | ioc->transport_cmds.status = MPT2_CMD_NOT_USED; | |
1574 | if (data_out) | |
1575 | pci_free_consistent(ioc->pdev, sz, data_out, data_out_dma); | |
1576 | ||
1577 | mutex_unlock(&ioc->transport_cmds.mutex); | |
1578 | return rc; | |
1579 | } | |
1580 | ||
635374e7 | 1581 | /** |
d5d135b3 | 1582 | * _transport_phy_reset - |
635374e7 EM |
1583 | * @phy: The sas phy object |
1584 | * @hard_reset: | |
1585 | * | |
635374e7 EM |
1586 | * Returns 0 for success, non-zero for failure. |
1587 | */ | |
1588 | static int | |
d5d135b3 | 1589 | _transport_phy_reset(struct sas_phy *phy, int hard_reset) |
635374e7 EM |
1590 | { |
1591 | struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy); | |
635374e7 EM |
1592 | Mpi2SasIoUnitControlReply_t mpi_reply; |
1593 | Mpi2SasIoUnitControlRequest_t mpi_request; | |
b8d7d7bb | 1594 | unsigned long flags; |
635374e7 | 1595 | |
b8d7d7bb KD |
1596 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
1597 | if (_transport_sas_node_find_by_sas_address(ioc, | |
1598 | phy->identify.sas_address) == NULL) { | |
1599 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
635374e7 | 1600 | return -EINVAL; |
b8d7d7bb KD |
1601 | } |
1602 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
635374e7 | 1603 | |
b8d7d7bb KD |
1604 | /* handle expander phys */ |
1605 | if (phy->identify.sas_address != ioc->sas_hba.sas_address) | |
1606 | return _transport_expander_phy_control(ioc, phy, | |
1607 | (hard_reset == 1) ? SMP_PHY_CONTROL_HARD_RESET : | |
1608 | SMP_PHY_CONTROL_LINK_RESET); | |
1609 | ||
1610 | /* handle hba phys */ | |
635374e7 EM |
1611 | memset(&mpi_request, 0, sizeof(Mpi2SasIoUnitControlReply_t)); |
1612 | mpi_request.Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL; | |
1613 | mpi_request.Operation = hard_reset ? | |
1614 | MPI2_SAS_OP_PHY_HARD_RESET : MPI2_SAS_OP_PHY_LINK_RESET; | |
b8d7d7bb | 1615 | mpi_request.PhyNum = phy->number; |
635374e7 EM |
1616 | |
1617 | if ((mpt2sas_base_sas_iounit_control(ioc, &mpi_reply, &mpi_request))) { | |
1618 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1619 | ioc->name, __FILE__, __LINE__, __func__); | |
1620 | return -ENXIO; | |
1621 | } | |
1622 | ||
1623 | if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) | |
1624 | printk(MPT2SAS_INFO_FMT "phy(%d), ioc_status" | |
1625 | "(0x%04x), loginfo(0x%08x)\n", ioc->name, | |
b8d7d7bb | 1626 | phy->number, le16_to_cpu(mpi_reply.IOCStatus), |
635374e7 EM |
1627 | le32_to_cpu(mpi_reply.IOCLogInfo)); |
1628 | ||
1629 | return 0; | |
1630 | } | |
1631 | ||
50d5c606 KD |
1632 | /** |
1633 | * _transport_phy_enable - enable/disable phys | |
1634 | * @phy: The sas phy object | |
1635 | * @enable: enable phy when true | |
1636 | * | |
1637 | * Only support sas_host direct attached phys. | |
1638 | * Returns 0 for success, non-zero for failure. | |
1639 | */ | |
1640 | static int | |
1641 | _transport_phy_enable(struct sas_phy *phy, int enable) | |
1642 | { | |
1643 | struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy); | |
50d5c606 | 1644 | Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; |
43d6ddfa | 1645 | Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL; |
50d5c606 KD |
1646 | Mpi2ConfigReply_t mpi_reply; |
1647 | u16 ioc_status; | |
1648 | u16 sz; | |
1649 | int rc = 0; | |
b8d7d7bb | 1650 | unsigned long flags; |
43d6ddfa | 1651 | int i, discovery_active; |
50d5c606 | 1652 | |
b8d7d7bb KD |
1653 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
1654 | if (_transport_sas_node_find_by_sas_address(ioc, | |
1655 | phy->identify.sas_address) == NULL) { | |
1656 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
50d5c606 | 1657 | return -EINVAL; |
b8d7d7bb KD |
1658 | } |
1659 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
1660 | ||
1661 | /* handle expander phys */ | |
1662 | if (phy->identify.sas_address != ioc->sas_hba.sas_address) | |
1663 | return _transport_expander_phy_control(ioc, phy, | |
1664 | (enable == 1) ? SMP_PHY_CONTROL_LINK_RESET : | |
1665 | SMP_PHY_CONTROL_DISABLE); | |
1666 | ||
1667 | /* handle hba phys */ | |
50d5c606 | 1668 | |
43d6ddfa | 1669 | /* read sas_iounit page 0 */ |
1670 | sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys * | |
1671 | sizeof(Mpi2SasIOUnit0PhyData_t)); | |
1672 | sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL); | |
1673 | if (!sas_iounit_pg0) { | |
1674 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1675 | ioc->name, __FILE__, __LINE__, __func__); | |
1676 | rc = -ENOMEM; | |
1677 | goto out; | |
1678 | } | |
1679 | if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply, | |
1680 | sas_iounit_pg0, sz))) { | |
1681 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1682 | ioc->name, __FILE__, __LINE__, __func__); | |
1683 | rc = -ENXIO; | |
1684 | goto out; | |
1685 | } | |
1686 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
1687 | MPI2_IOCSTATUS_MASK; | |
1688 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
1689 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1690 | ioc->name, __FILE__, __LINE__, __func__); | |
1691 | rc = -EIO; | |
1692 | goto out; | |
1693 | } | |
1694 | ||
1695 | /* unable to enable/disable phys when when discovery is active */ | |
1696 | for (i = 0, discovery_active = 0; i < ioc->sas_hba.num_phys ; i++) { | |
1697 | if (sas_iounit_pg0->PhyData[i].PortFlags & | |
1698 | MPI2_SASIOUNIT0_PORTFLAGS_DISCOVERY_IN_PROGRESS) { | |
1699 | printk(MPT2SAS_ERR_FMT "discovery is active on " | |
1700 | "port = %d, phy = %d: unable to enable/disable " | |
1701 | "phys, try again later!\n", ioc->name, | |
1702 | sas_iounit_pg0->PhyData[i].Port, i); | |
1703 | discovery_active = 1; | |
1704 | } | |
1705 | } | |
1706 | ||
1707 | if (discovery_active) { | |
1708 | rc = -EAGAIN; | |
1709 | goto out; | |
1710 | } | |
1711 | ||
1712 | /* read sas_iounit page 1 */ | |
50d5c606 KD |
1713 | sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys * |
1714 | sizeof(Mpi2SasIOUnit1PhyData_t)); | |
1715 | sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL); | |
1716 | if (!sas_iounit_pg1) { | |
1717 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1718 | ioc->name, __FILE__, __LINE__, __func__); | |
1719 | rc = -ENOMEM; | |
1720 | goto out; | |
1721 | } | |
1722 | if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply, | |
1723 | sas_iounit_pg1, sz))) { | |
1724 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1725 | ioc->name, __FILE__, __LINE__, __func__); | |
1726 | rc = -ENXIO; | |
1727 | goto out; | |
1728 | } | |
1729 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
1730 | MPI2_IOCSTATUS_MASK; | |
1731 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
1732 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1733 | ioc->name, __FILE__, __LINE__, __func__); | |
1734 | rc = -EIO; | |
1735 | goto out; | |
1736 | } | |
43d6ddfa | 1737 | /* copy Port/PortFlags/PhyFlags from page 0 */ |
1738 | for (i = 0; i < ioc->sas_hba.num_phys ; i++) { | |
1739 | sas_iounit_pg1->PhyData[i].Port = | |
1740 | sas_iounit_pg0->PhyData[i].Port; | |
1741 | sas_iounit_pg1->PhyData[i].PortFlags = | |
1742 | (sas_iounit_pg0->PhyData[i].PortFlags & | |
1743 | MPI2_SASIOUNIT0_PORTFLAGS_AUTO_PORT_CONFIG); | |
1744 | sas_iounit_pg1->PhyData[i].PhyFlags = | |
1745 | (sas_iounit_pg0->PhyData[i].PhyFlags & | |
1746 | (MPI2_SASIOUNIT0_PHYFLAGS_ZONING_ENABLED + | |
1747 | MPI2_SASIOUNIT0_PHYFLAGS_PHY_DISABLED)); | |
1748 | } | |
50d5c606 | 1749 | if (enable) |
b8d7d7bb | 1750 | sas_iounit_pg1->PhyData[phy->number].PhyFlags |
50d5c606 KD |
1751 | &= ~MPI2_SASIOUNIT1_PHYFLAGS_PHY_DISABLE; |
1752 | else | |
b8d7d7bb | 1753 | sas_iounit_pg1->PhyData[phy->number].PhyFlags |
50d5c606 KD |
1754 | |= MPI2_SASIOUNIT1_PHYFLAGS_PHY_DISABLE; |
1755 | ||
1756 | mpt2sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1, sz); | |
1757 | ||
b8d7d7bb KD |
1758 | /* link reset */ |
1759 | if (enable) | |
1760 | _transport_phy_reset(phy, 0); | |
1761 | ||
50d5c606 KD |
1762 | out: |
1763 | kfree(sas_iounit_pg1); | |
43d6ddfa | 1764 | kfree(sas_iounit_pg0); |
50d5c606 KD |
1765 | return rc; |
1766 | } | |
1767 | ||
1768 | /** | |
1769 | * _transport_phy_speed - set phy min/max link rates | |
1770 | * @phy: The sas phy object | |
1771 | * @rates: rates defined in sas_phy_linkrates | |
1772 | * | |
1773 | * Only support sas_host direct attached phys. | |
1774 | * Returns 0 for success, non-zero for failure. | |
1775 | */ | |
1776 | static int | |
1777 | _transport_phy_speed(struct sas_phy *phy, struct sas_phy_linkrates *rates) | |
1778 | { | |
1779 | struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy); | |
50d5c606 KD |
1780 | Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; |
1781 | Mpi2SasPhyPage0_t phy_pg0; | |
1782 | Mpi2ConfigReply_t mpi_reply; | |
1783 | u16 ioc_status; | |
1784 | u16 sz; | |
1785 | int i; | |
1786 | int rc = 0; | |
b8d7d7bb | 1787 | unsigned long flags; |
50d5c606 | 1788 | |
b8d7d7bb KD |
1789 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
1790 | if (_transport_sas_node_find_by_sas_address(ioc, | |
1791 | phy->identify.sas_address) == NULL) { | |
1792 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
50d5c606 | 1793 | return -EINVAL; |
b8d7d7bb KD |
1794 | } |
1795 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
50d5c606 KD |
1796 | |
1797 | if (!rates->minimum_linkrate) | |
1798 | rates->minimum_linkrate = phy->minimum_linkrate; | |
1799 | else if (rates->minimum_linkrate < phy->minimum_linkrate_hw) | |
1800 | rates->minimum_linkrate = phy->minimum_linkrate_hw; | |
1801 | ||
1802 | if (!rates->maximum_linkrate) | |
1803 | rates->maximum_linkrate = phy->maximum_linkrate; | |
1804 | else if (rates->maximum_linkrate > phy->maximum_linkrate_hw) | |
1805 | rates->maximum_linkrate = phy->maximum_linkrate_hw; | |
1806 | ||
b8d7d7bb KD |
1807 | /* handle expander phys */ |
1808 | if (phy->identify.sas_address != ioc->sas_hba.sas_address) { | |
1809 | phy->minimum_linkrate = rates->minimum_linkrate; | |
1810 | phy->maximum_linkrate = rates->maximum_linkrate; | |
1811 | return _transport_expander_phy_control(ioc, phy, | |
1812 | SMP_PHY_CONTROL_LINK_RESET); | |
1813 | } | |
1814 | ||
1815 | /* handle hba phys */ | |
1816 | ||
50d5c606 KD |
1817 | /* sas_iounit page 1 */ |
1818 | sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys * | |
1819 | sizeof(Mpi2SasIOUnit1PhyData_t)); | |
1820 | sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL); | |
1821 | if (!sas_iounit_pg1) { | |
1822 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1823 | ioc->name, __FILE__, __LINE__, __func__); | |
1824 | rc = -ENOMEM; | |
1825 | goto out; | |
1826 | } | |
1827 | if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply, | |
1828 | sas_iounit_pg1, sz))) { | |
1829 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1830 | ioc->name, __FILE__, __LINE__, __func__); | |
1831 | rc = -ENXIO; | |
1832 | goto out; | |
1833 | } | |
1834 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
1835 | MPI2_IOCSTATUS_MASK; | |
1836 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
1837 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1838 | ioc->name, __FILE__, __LINE__, __func__); | |
1839 | rc = -EIO; | |
1840 | goto out; | |
1841 | } | |
1842 | ||
1843 | for (i = 0; i < ioc->sas_hba.num_phys; i++) { | |
b8d7d7bb | 1844 | if (phy->number != i) { |
50d5c606 KD |
1845 | sas_iounit_pg1->PhyData[i].MaxMinLinkRate = |
1846 | (ioc->sas_hba.phy[i].phy->minimum_linkrate + | |
1847 | (ioc->sas_hba.phy[i].phy->maximum_linkrate << 4)); | |
1848 | } else { | |
1849 | sas_iounit_pg1->PhyData[i].MaxMinLinkRate = | |
1850 | (rates->minimum_linkrate + | |
1851 | (rates->maximum_linkrate << 4)); | |
1852 | } | |
1853 | } | |
1854 | ||
1855 | if (mpt2sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1, | |
1856 | sz)) { | |
1857 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1858 | ioc->name, __FILE__, __LINE__, __func__); | |
1859 | rc = -ENXIO; | |
1860 | goto out; | |
1861 | } | |
1862 | ||
1863 | /* link reset */ | |
1864 | _transport_phy_reset(phy, 0); | |
1865 | ||
1866 | /* read phy page 0, then update the rates in the sas transport phy */ | |
1867 | if (!mpt2sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0, | |
b8d7d7bb | 1868 | phy->number)) { |
50d5c606 KD |
1869 | phy->minimum_linkrate = _transport_convert_phy_link_rate( |
1870 | phy_pg0.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK); | |
1871 | phy->maximum_linkrate = _transport_convert_phy_link_rate( | |
1872 | phy_pg0.ProgrammedLinkRate >> 4); | |
1873 | phy->negotiated_linkrate = _transport_convert_phy_link_rate( | |
1874 | phy_pg0.NegotiatedLinkRate & | |
1875 | MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL); | |
1876 | } | |
1877 | ||
1878 | out: | |
1879 | kfree(sas_iounit_pg1); | |
1880 | return rc; | |
1881 | } | |
1882 | ||
1883 | ||
635374e7 | 1884 | /** |
d5d135b3 | 1885 | * _transport_smp_handler - transport portal for smp passthru |
635374e7 EM |
1886 | * @shost: shost object |
1887 | * @rphy: sas transport rphy object | |
1888 | * @req: | |
1889 | * | |
1890 | * This used primarily for smp_utils. | |
1891 | * Example: | |
1892 | * smp_rep_general /sys/class/bsg/expander-5:0 | |
1893 | */ | |
1894 | static int | |
d5d135b3 | 1895 | _transport_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy, |
635374e7 EM |
1896 | struct request *req) |
1897 | { | |
1898 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
1899 | Mpi2SmpPassthroughRequest_t *mpi_request; | |
1900 | Mpi2SmpPassthroughReply_t *mpi_reply; | |
77a6edff | 1901 | int rc, i; |
635374e7 EM |
1902 | u16 smid; |
1903 | u32 ioc_state; | |
1904 | unsigned long timeleft; | |
1905 | void *psge; | |
1906 | u32 sgl_flags; | |
1907 | u8 issue_reset = 0; | |
635374e7 EM |
1908 | dma_addr_t dma_addr_in = 0; |
1909 | dma_addr_t dma_addr_out = 0; | |
77a6edff | 1910 | dma_addr_t pci_dma_in = 0; |
1911 | dma_addr_t pci_dma_out = 0; | |
1912 | void *pci_addr_in = NULL; | |
1913 | void *pci_addr_out = NULL; | |
635374e7 EM |
1914 | u16 wait_state_count; |
1915 | struct request *rsp = req->next_rq; | |
77a6edff | 1916 | struct bio_vec *bvec = NULL; |
635374e7 EM |
1917 | |
1918 | if (!rsp) { | |
1919 | printk(MPT2SAS_ERR_FMT "%s: the smp response space is " | |
1920 | "missing\n", ioc->name, __func__); | |
1921 | return -EINVAL; | |
1922 | } | |
77a6edff | 1923 | if (ioc->shost_recovery || ioc->pci_error_recovery) { |
635374e7 EM |
1924 | printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", |
1925 | __func__, ioc->name); | |
1926 | return -EFAULT; | |
1927 | } | |
635374e7 EM |
1928 | |
1929 | rc = mutex_lock_interruptible(&ioc->transport_cmds.mutex); | |
1930 | if (rc) | |
1931 | return rc; | |
1932 | ||
1933 | if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) { | |
1934 | printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n", ioc->name, | |
1935 | __func__); | |
1936 | rc = -EAGAIN; | |
1937 | goto out; | |
1938 | } | |
1939 | ioc->transport_cmds.status = MPT2_CMD_PENDING; | |
1940 | ||
77a6edff | 1941 | /* Check if the request is split across multiple segments */ |
1942 | if (req->bio->bi_vcnt > 1) { | |
1943 | u32 offset = 0; | |
1944 | ||
1945 | /* Allocate memory and copy the request */ | |
1946 | pci_addr_out = pci_alloc_consistent(ioc->pdev, | |
1947 | blk_rq_bytes(req), &pci_dma_out); | |
1948 | if (!pci_addr_out) { | |
1949 | printk(MPT2SAS_INFO_FMT "%s(): PCI Addr out = NULL\n", | |
1950 | ioc->name, __func__); | |
1951 | rc = -ENOMEM; | |
1952 | goto out; | |
1953 | } | |
1954 | ||
1955 | bio_for_each_segment(bvec, req->bio, i) { | |
1956 | memcpy(pci_addr_out + offset, | |
1957 | page_address(bvec->bv_page) + bvec->bv_offset, | |
1958 | bvec->bv_len); | |
1959 | offset += bvec->bv_len; | |
1960 | } | |
1961 | } else { | |
1962 | dma_addr_out = pci_map_single(ioc->pdev, bio_data(req->bio), | |
1963 | blk_rq_bytes(req), PCI_DMA_BIDIRECTIONAL); | |
1964 | if (!dma_addr_out) { | |
1965 | printk(MPT2SAS_INFO_FMT "%s(): DMA Addr out = NULL\n", | |
1966 | ioc->name, __func__); | |
1967 | rc = -ENOMEM; | |
1968 | goto free_pci; | |
1969 | } | |
1970 | } | |
1971 | ||
1972 | /* Check if the response needs to be populated across | |
1973 | * multiple segments */ | |
1974 | if (rsp->bio->bi_vcnt > 1) { | |
1975 | pci_addr_in = pci_alloc_consistent(ioc->pdev, blk_rq_bytes(rsp), | |
1976 | &pci_dma_in); | |
1977 | if (!pci_addr_in) { | |
1978 | printk(MPT2SAS_INFO_FMT "%s(): PCI Addr in = NULL\n", | |
1979 | ioc->name, __func__); | |
1980 | rc = -ENOMEM; | |
1981 | goto unmap; | |
1982 | } | |
1983 | } else { | |
1984 | dma_addr_in = pci_map_single(ioc->pdev, bio_data(rsp->bio), | |
1985 | blk_rq_bytes(rsp), PCI_DMA_BIDIRECTIONAL); | |
1986 | if (!dma_addr_in) { | |
1987 | printk(MPT2SAS_INFO_FMT "%s(): DMA Addr in = NULL\n", | |
1988 | ioc->name, __func__); | |
1989 | rc = -ENOMEM; | |
1990 | goto unmap; | |
1991 | } | |
1992 | } | |
1993 | ||
635374e7 EM |
1994 | wait_state_count = 0; |
1995 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
1996 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
1997 | if (wait_state_count++ == 10) { | |
1998 | printk(MPT2SAS_ERR_FMT | |
1999 | "%s: failed due to ioc not operational\n", | |
2000 | ioc->name, __func__); | |
2001 | rc = -EFAULT; | |
77a6edff | 2002 | goto unmap; |
635374e7 EM |
2003 | } |
2004 | ssleep(1); | |
2005 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
2006 | printk(MPT2SAS_INFO_FMT "%s: waiting for " | |
2007 | "operational state(count=%d)\n", ioc->name, | |
2008 | __func__, wait_state_count); | |
2009 | } | |
2010 | if (wait_state_count) | |
2011 | printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n", | |
2012 | ioc->name, __func__); | |
2013 | ||
2014 | smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx); | |
2015 | if (!smid) { | |
2016 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
2017 | ioc->name, __func__); | |
2018 | rc = -EAGAIN; | |
77a6edff | 2019 | goto unmap; |
635374e7 EM |
2020 | } |
2021 | ||
2022 | rc = 0; | |
2023 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
2024 | ioc->transport_cmds.smid = smid; | |
2025 | ||
2026 | memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t)); | |
2027 | mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; | |
2028 | mpi_request->PhysicalPort = 0xFF; | |
7b936b02 KD |
2029 | mpi_request->VF_ID = 0; /* TODO */ |
2030 | mpi_request->VP_ID = 0; | |
c97951ec | 2031 | mpi_request->SASAddress = (rphy) ? |
635374e7 EM |
2032 | cpu_to_le64(rphy->identify.sas_address) : |
2033 | cpu_to_le64(ioc->sas_hba.sas_address); | |
b0790410 | 2034 | mpi_request->RequestDataLength = cpu_to_le16(blk_rq_bytes(req) - 4); |
635374e7 EM |
2035 | psge = &mpi_request->SGL; |
2036 | ||
2037 | /* WRITE sgel first */ | |
2038 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
2039 | MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC); | |
2040 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
77a6edff | 2041 | if (req->bio->bi_vcnt > 1) { |
2042 | ioc->base_add_sg_single(psge, sgl_flags | | |
2043 | (blk_rq_bytes(req) - 4), pci_dma_out); | |
2044 | } else { | |
2045 | ioc->base_add_sg_single(psge, sgl_flags | | |
2046 | (blk_rq_bytes(req) - 4), dma_addr_out); | |
635374e7 EM |
2047 | } |
2048 | ||
635374e7 EM |
2049 | /* incr sgel */ |
2050 | psge += ioc->sge_size; | |
2051 | ||
2052 | /* READ sgel last */ | |
2053 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
2054 | MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | | |
2055 | MPI2_SGE_FLAGS_END_OF_LIST); | |
2056 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
77a6edff | 2057 | if (rsp->bio->bi_vcnt > 1) { |
2058 | ioc->base_add_sg_single(psge, sgl_flags | | |
2059 | (blk_rq_bytes(rsp) + 4), pci_dma_in); | |
2060 | } else { | |
2061 | ioc->base_add_sg_single(psge, sgl_flags | | |
2062 | (blk_rq_bytes(rsp) + 4), dma_addr_in); | |
635374e7 EM |
2063 | } |
2064 | ||
eabb08ad | 2065 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "%s - " |
635374e7 EM |
2066 | "sending smp request\n", ioc->name, __func__)); |
2067 | ||
bcfb6e6e | 2068 | init_completion(&ioc->transport_cmds.done); |
f01690d3 | 2069 | mpt2sas_base_put_smid_default(ioc, smid); |
635374e7 EM |
2070 | timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done, |
2071 | 10*HZ); | |
2072 | ||
2073 | if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) { | |
2074 | printk(MPT2SAS_ERR_FMT "%s : timeout\n", | |
2075 | __func__, ioc->name); | |
2076 | _debug_dump_mf(mpi_request, | |
2077 | sizeof(Mpi2SmpPassthroughRequest_t)/4); | |
2078 | if (!(ioc->transport_cmds.status & MPT2_CMD_RESET)) | |
2079 | issue_reset = 1; | |
2080 | goto issue_host_reset; | |
2081 | } | |
2082 | ||
eabb08ad | 2083 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "%s - " |
635374e7 EM |
2084 | "complete\n", ioc->name, __func__)); |
2085 | ||
2086 | if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) { | |
2087 | ||
2088 | mpi_reply = ioc->transport_cmds.reply; | |
2089 | ||
eabb08ad | 2090 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT |
635374e7 EM |
2091 | "%s - reply data transfer size(%d)\n", |
2092 | ioc->name, __func__, | |
2093 | le16_to_cpu(mpi_reply->ResponseDataLength))); | |
2094 | ||
2095 | memcpy(req->sense, mpi_reply, sizeof(*mpi_reply)); | |
2096 | req->sense_len = sizeof(*mpi_reply); | |
5f49f631 | 2097 | req->resid_len = 0; |
e94f6747 KD |
2098 | rsp->resid_len -= |
2099 | le16_to_cpu(mpi_reply->ResponseDataLength); | |
77a6edff | 2100 | /* check if the resp needs to be copied from the allocated |
2101 | * pci mem */ | |
2102 | if (rsp->bio->bi_vcnt > 1) { | |
2103 | u32 offset = 0; | |
2104 | u32 bytes_to_copy = | |
2105 | le16_to_cpu(mpi_reply->ResponseDataLength); | |
2106 | bio_for_each_segment(bvec, rsp->bio, i) { | |
2107 | if (bytes_to_copy <= bvec->bv_len) { | |
2108 | memcpy(page_address(bvec->bv_page) + | |
2109 | bvec->bv_offset, pci_addr_in + | |
2110 | offset, bytes_to_copy); | |
2111 | break; | |
2112 | } else { | |
2113 | memcpy(page_address(bvec->bv_page) + | |
2114 | bvec->bv_offset, pci_addr_in + | |
2115 | offset, bvec->bv_len); | |
2116 | bytes_to_copy -= bvec->bv_len; | |
2117 | } | |
2118 | offset += bvec->bv_len; | |
2119 | } | |
2120 | } | |
635374e7 | 2121 | } else { |
eabb08ad | 2122 | dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT |
635374e7 EM |
2123 | "%s - no reply\n", ioc->name, __func__)); |
2124 | rc = -ENXIO; | |
2125 | } | |
2126 | ||
2127 | issue_host_reset: | |
2128 | if (issue_reset) { | |
2129 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
2130 | FORCE_BIG_HAMMER); | |
2131 | rc = -ETIMEDOUT; | |
2132 | } | |
2133 | ||
2134 | unmap: | |
2135 | if (dma_addr_out) | |
b0790410 | 2136 | pci_unmap_single(ioc->pdev, dma_addr_out, blk_rq_bytes(req), |
635374e7 EM |
2137 | PCI_DMA_BIDIRECTIONAL); |
2138 | if (dma_addr_in) | |
b0790410 | 2139 | pci_unmap_single(ioc->pdev, dma_addr_in, blk_rq_bytes(rsp), |
635374e7 EM |
2140 | PCI_DMA_BIDIRECTIONAL); |
2141 | ||
77a6edff | 2142 | free_pci: |
2143 | if (pci_addr_out) | |
2144 | pci_free_consistent(ioc->pdev, blk_rq_bytes(req), pci_addr_out, | |
2145 | pci_dma_out); | |
2146 | ||
2147 | if (pci_addr_in) | |
2148 | pci_free_consistent(ioc->pdev, blk_rq_bytes(rsp), pci_addr_in, | |
2149 | pci_dma_in); | |
2150 | ||
635374e7 EM |
2151 | out: |
2152 | ioc->transport_cmds.status = MPT2_CMD_NOT_USED; | |
2153 | mutex_unlock(&ioc->transport_cmds.mutex); | |
2154 | return rc; | |
2155 | } | |
2156 | ||
2157 | struct sas_function_template mpt2sas_transport_functions = { | |
d5d135b3 EM |
2158 | .get_linkerrors = _transport_get_linkerrors, |
2159 | .get_enclosure_identifier = _transport_get_enclosure_identifier, | |
2160 | .get_bay_identifier = _transport_get_bay_identifier, | |
2161 | .phy_reset = _transport_phy_reset, | |
50d5c606 KD |
2162 | .phy_enable = _transport_phy_enable, |
2163 | .set_phy_speed = _transport_phy_speed, | |
d5d135b3 | 2164 | .smp_handler = _transport_smp_handler, |
635374e7 EM |
2165 | }; |
2166 | ||
2167 | struct scsi_transport_template *mpt2sas_transport_template; |